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authorDenis Bitouzé <dbitouze@wanadoo.fr>2021-02-25 18:23:07 +0000
committerDenis Bitouzé <dbitouze@wanadoo.fr>2021-02-25 18:23:07 +0000
commitc6101f91d071883b48b1b4b51e5eba0f36d9a78d (patch)
tree1bf7f5a881d7a4f5c5bf59d0b2821943dd822372 /Build/source/libs/lua53
parent07ee7222e389b0777456b427a55c22d0e6ffd267 (diff)
French translation for tlmgr updated
git-svn-id: svn://tug.org/texlive/trunk@57912 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/libs/lua53')
-rw-r--r--Build/source/libs/lua53/ChangeLog94
-rw-r--r--Build/source/libs/lua53/Makefile.am108
-rw-r--r--Build/source/libs/lua53/Makefile.in1786
-rw-r--r--Build/source/libs/lua53/TLpatches/ChangeLog45
-rw-r--r--Build/source/libs/lua53/TLpatches/patch-01-utf-827
-rw-r--r--Build/source/libs/lua53/TLpatches/patch-02-FreeBSD13
-rw-r--r--Build/source/libs/lua53/TLpatches/patch-03-export36
-rw-r--r--Build/source/libs/lua53/ac/withenable.ac7
-rw-r--r--Build/source/libs/lua53/aclocal.m41180
-rw-r--r--Build/source/libs/lua53/config.h.in81
-rwxr-xr-xBuild/source/libs/lua53/configure16314
-rw-r--r--Build/source/libs/lua53/configure.ac50
-rw-r--r--Build/source/libs/lua53/error.exp5
-rw-r--r--Build/source/libs/lua53/include/Makefile.am41
-rw-r--r--Build/source/libs/lua53/include/Makefile.in499
-rw-r--r--Build/source/libs/lua53/lua53-src/Makefile114
-rw-r--r--Build/source/libs/lua53/lua53-src/README6
-rw-r--r--Build/source/libs/lua53/lua53-src/doc/contents.html650
-rw-r--r--Build/source/libs/lua53/lua53-src/doc/index.css21
-rw-r--r--Build/source/libs/lua53/lua53-src/doc/logo.gifbin9893 -> 0 bytes
-rw-r--r--Build/source/libs/lua53/lua53-src/doc/lua.1112
-rw-r--r--Build/source/libs/lua53/lua53-src/doc/lua.css161
-rw-r--r--Build/source/libs/lua53/lua53-src/doc/luac.1118
-rw-r--r--Build/source/libs/lua53/lua53-src/doc/manual.css21
-rw-r--r--Build/source/libs/lua53/lua53-src/doc/manual.html10982
-rw-r--r--Build/source/libs/lua53/lua53-src/doc/osi-certified-72x60.pngbin3774 -> 0 bytes
-rw-r--r--Build/source/libs/lua53/lua53-src/doc/readme.html365
-rw-r--r--Build/source/libs/lua53/lua53-src/src/Makefile197
-rw-r--r--Build/source/libs/lua53/lua53-src/src/lapi.c1299
-rw-r--r--Build/source/libs/lua53/lua53-src/src/lapi.h24
-rw-r--r--Build/source/libs/lua53/lua53-src/src/lauxlib.c1048
-rw-r--r--Build/source/libs/lua53/lua53-src/src/lauxlib.h264
-rw-r--r--Build/source/libs/lua53/lua53-src/src/lbaselib.c498
-rw-r--r--Build/source/libs/lua53/lua53-src/src/lbitlib.c233
-rw-r--r--Build/source/libs/lua53/lua53-src/src/lcode.c1203
-rw-r--r--Build/source/libs/lua53/lua53-src/src/lcode.h88
-rw-r--r--Build/source/libs/lua53/lua53-src/src/lcorolib.c168
-rw-r--r--Build/source/libs/lua53/lua53-src/src/lctype.c55
-rw-r--r--Build/source/libs/lua53/lua53-src/src/lctype.h99
-rw-r--r--Build/source/libs/lua53/lua53-src/src/lctype.h.orig95
-rw-r--r--Build/source/libs/lua53/lua53-src/src/ldblib.c456
-rw-r--r--Build/source/libs/lua53/lua53-src/src/ldebug.c700
-rw-r--r--Build/source/libs/lua53/lua53-src/src/ldebug.h39
-rw-r--r--Build/source/libs/lua53/lua53-src/src/ldo.c802
-rw-r--r--Build/source/libs/lua53/lua53-src/src/ldo.h58
-rw-r--r--Build/source/libs/lua53/lua53-src/src/ldump.c215
-rw-r--r--Build/source/libs/lua53/lua53-src/src/lfunc.c151
-rw-r--r--Build/source/libs/lua53/lua53-src/src/lfunc.h61
-rw-r--r--Build/source/libs/lua53/lua53-src/src/lgc.c1179
-rw-r--r--Build/source/libs/lua53/lua53-src/src/lgc.h147
-rw-r--r--Build/source/libs/lua53/lua53-src/src/linit.c68
-rw-r--r--Build/source/libs/lua53/lua53-src/src/liolib.c781
-rw-r--r--Build/source/libs/lua53/lua53-src/src/liolib.c.orig778
-rw-r--r--Build/source/libs/lua53/lua53-src/src/llex.c568
-rw-r--r--Build/source/libs/lua53/lua53-src/src/llex.h85
-rw-r--r--Build/source/libs/lua53/lua53-src/src/llimits.h323
-rw-r--r--Build/source/libs/lua53/lua53-src/src/lmathlib.c410
-rw-r--r--Build/source/libs/lua53/lua53-src/src/lmem.c100
-rw-r--r--Build/source/libs/lua53/lua53-src/src/lmem.h69
-rw-r--r--Build/source/libs/lua53/lua53-src/src/loadlib.c790
-rw-r--r--Build/source/libs/lua53/lua53-src/src/lobject.c522
-rw-r--r--Build/source/libs/lua53/lua53-src/src/lobject.h549
-rw-r--r--Build/source/libs/lua53/lua53-src/src/lopcodes.c124
-rw-r--r--Build/source/libs/lua53/lua53-src/src/lopcodes.h297
-rw-r--r--Build/source/libs/lua53/lua53-src/src/lopcodes.h.orig297
-rw-r--r--Build/source/libs/lua53/lua53-src/src/loslib.c409
-rw-r--r--Build/source/libs/lua53/lua53-src/src/lparser.c1653
-rw-r--r--Build/source/libs/lua53/lua53-src/src/lparser.h133
-rw-r--r--Build/source/libs/lua53/lua53-src/src/lprefix.h45
-rw-r--r--Build/source/libs/lua53/lua53-src/src/lstate.c347
-rw-r--r--Build/source/libs/lua53/lua53-src/src/lstate.h253
-rw-r--r--Build/source/libs/lua53/lua53-src/src/lstring.c248
-rw-r--r--Build/source/libs/lua53/lua53-src/src/lstring.h49
-rw-r--r--Build/source/libs/lua53/lua53-src/src/lstrlib.c1584
-rw-r--r--Build/source/libs/lua53/lua53-src/src/ltable.c688
-rw-r--r--Build/source/libs/lua53/lua53-src/src/ltable.h66
-rw-r--r--Build/source/libs/lua53/lua53-src/src/ltablib.c450
-rw-r--r--Build/source/libs/lua53/lua53-src/src/ltm.c165
-rw-r--r--Build/source/libs/lua53/lua53-src/src/ltm.h76
-rw-r--r--Build/source/libs/lua53/lua53-src/src/lua.c612
-rw-r--r--Build/source/libs/lua53/lua53-src/src/lua.h485
-rw-r--r--Build/source/libs/lua53/lua53-src/src/lua.hpp9
-rw-r--r--Build/source/libs/lua53/lua53-src/src/luac.c450
-rw-r--r--Build/source/libs/lua53/lua53-src/src/luaconf.h790
-rw-r--r--Build/source/libs/lua53/lua53-src/src/lualib.h61
-rw-r--r--Build/source/libs/lua53/lua53-src/src/lundump.c287
-rw-r--r--Build/source/libs/lua53/lua53-src/src/lundump.h32
-rw-r--r--Build/source/libs/lua53/lua53-src/src/lundump.h.orig32
-rw-r--r--Build/source/libs/lua53/lua53-src/src/lutf8lib.c256
-rw-r--r--Build/source/libs/lua53/lua53-src/src/lvm.c1322
-rw-r--r--Build/source/libs/lua53/lua53-src/src/lvm.h113
-rw-r--r--Build/source/libs/lua53/lua53-src/src/lzio.c68
-rw-r--r--Build/source/libs/lua53/lua53-src/src/lzio.h66
-rwxr-xr-xBuild/source/libs/lua53/lua53.test7
-rwxr-xr-xBuild/source/libs/lua53/luaerror.test15
-rw-r--r--Build/source/libs/lua53/luatest.c15
-rw-r--r--Build/source/libs/lua53/texlua53.pc.in12
-rw-r--r--Build/source/libs/lua53/version.ac11
98 files changed, 0 insertions, 58485 deletions
diff --git a/Build/source/libs/lua53/ChangeLog b/Build/source/libs/lua53/ChangeLog
deleted file mode 100644
index 8b1840ca62c..00000000000
--- a/Build/source/libs/lua53/ChangeLog
+++ /dev/null
@@ -1,94 +0,0 @@
-2020-10-04 Luigi Scarso <luigi.scarso@gmail.com>
-
- * Adapted for Lua 5.3.6 (thanks to K.Berry and A.Kakuto)
-
-2018-09-09 Karl Berry <karl@tug.org>
-
- * luaerror.test: LC_ALL=LANGUAGE=C.
-
-2018-07-21 Luigi Scarso <luigi.scarso@gmail.com>
-
- * Adapted for Lua 5.3.5
-
-
-2018-06-18 Luigi Scarso <luigi.scarso@gmail.com>
-
- * dropped poppler, new pplib from
- http://eurydyka.kaliope.org.pl/~pawel/libpp/html/ppapi.html
-
-
-2017-10-24 Luigi Scarso <luigi.scarso@gmail.com>
-
- * Adapted for Lua 5.3.4
-
-2016-02-18 Akira Kakuto <kakuto@fuk.kindai.ac.jp>
-
- * Makefile.am, configure.ac: New convention.
-
-2015-07-06 Peter Breitenlohner <peb@mppmu.mpg.de>
-
- * Makefile.am: Better dependencies for 'make check'.
-
-2015-03-11 Peter Breitenlohner <peb@mppmu.mpg.de>
-
- Import lua-5.2.4.
- * version.ac: Adjust.
-
-2015-02-16 Peter Breitenlohner <peb@mppmu.mpg.de>
-
- * Makefile.am: Use the fragment ../../am/dist_hook.am.
-
-2014-10-22 Peter Breitenlohner <peb@mppmu.mpg.de>
-
- * Makefile.am, configure.ac: Build lua52 as (possibly shared)
- Libtool library, install headers, library, and .pc file.
- * luaerror.test: Adapted.
-
-2014-06-02 Peter Breitenlohner <peb@mppmu.mpg.de>
-
- * Makefile.am (AM_CPPFLAGS): Drop LUAI_HASHLIMIT.
-
-2014-03-21 Peter Breitenlohner <peb@mppmu.mpg.de>
-
- * configure.ac: Add -DHAVE_UNISTD_H to LUA52_DEFINES because
- config.h is not used.
-
-2014-03-15 Peter Breitenlohner <peb@mppmu.mpg.de>
-
- * Makefile.am (AM_CPPFLAGS): Define LUAI_HASHLIMIT=6 for LuaTeX.
-
-2014-03-03 Peter Breitenlohner <peb@mppmu.mpg.de>
-
- * luaerror.test (new): Shell script to test error handling.
- * error.exp (new): Expected test output.
- * Makefile.am: Add the new files.
- * configure.ac: The test program requires sqrt().
-
-2014-02-11 Peter Breitenlohner <peb@mppmu.mpg.de>
-
- * lua52.test (new): Shell script for a basic test.
- * luatest.c (new): Source code for test program.
- * Makefile.am: Add the new files.
-
-2013-12-07 Peter Breitenlohner <peb@mppmu.mpg.de>
-
- Import lua-5.2.3.
- * version.ac: Adjust.
-
-2013-07-06 Peter Breitenlohner <peb@mppmu.mpg.de>
-
- * Makefile.am: Use ../../am/rebuild.am.
-
-2013-07-05 Peter Breitenlohner <peb@mppmu.mpg.de>
-
- * include/Makefile.am: Moved Makefile fragments to ../../am/.
-
-2012-06-25 Peter Breitenlohner <peb@mppmu.mpg.de>
-
- Import lua-5.2.2.
- * version.ac: Adjust.
-
-2012-06-18 Peter Breitenlohner <peb@mppmu.mpg.de>
-
- Import lua-5.2.1/ from http://www.lua.org/ftp/lua-5.2.1.tar.gz.
-
diff --git a/Build/source/libs/lua53/Makefile.am b/Build/source/libs/lua53/Makefile.am
deleted file mode 100644
index f736ce9a328..00000000000
--- a/Build/source/libs/lua53/Makefile.am
+++ /dev/null
@@ -1,108 +0,0 @@
-## $Id: Makefile.am 43567 2017-03-21 17:43:10Z karl $
-## Proxy Makefile.am to build Lua53 for TeX Live.
-##
-## Copyright 2017 Karl Berry <tex-live@tug.org>
-## Copyright 2013-2015 Peter Breitenlohner <tex-live@tug.org>
-##
-## This file is free software; the copyright holder
-## gives unlimited permission to copy and/or distribute it,
-## with or without modifications, as long as this notice is preserved.
-##
-## We want to re-distribute the whole Lua53 source tree.
-##
-EXTRA_DIST = $(LUA53_TREE)
-
-## Changes applied to the original source tree
-##
-EXTRA_DIST += TLpatches
-
-# Files not to be distributed
-include $(srcdir)/../../am/dist_hook.am
-NEVER_NAMES += $(NEVER_NAMES_SUB) $(NEVER_NAMES_LT)
-
-SUBDIRS = . include
-
-AM_CPPFLAGS = -I$(top_srcdir)/$(LUA53_TREE)/src $(LUA53_DEFINES)
-AM_CFLAGS = $(WARNING_CFLAGS) $(LUA53_CFLAGS)
-
-lib_LTLIBRARIES = libtexlua53.la
-
-libtexlua53_la_LDFLAGS = -bindir @bindir@ -no-undefined -version-info $(LUA53_LT_VERSINFO)
-
-nodist_libtexlua53_la_SOURCES = \
- @LUA53_TREE@/src/lapi.c \
- @LUA53_TREE@/src/lauxlib.c \
- @LUA53_TREE@/src/lbaselib.c \
- @LUA53_TREE@/src/lbitlib.c \
- @LUA53_TREE@/src/lcode.c \
- @LUA53_TREE@/src/lcorolib.c \
- @LUA53_TREE@/src/lctype.c \
- @LUA53_TREE@/src/ldblib.c \
- @LUA53_TREE@/src/ldebug.c \
- @LUA53_TREE@/src/ldo.c \
- @LUA53_TREE@/src/ldump.c \
- @LUA53_TREE@/src/lfunc.c \
- @LUA53_TREE@/src/lgc.c \
- @LUA53_TREE@/src/linit.c \
- @LUA53_TREE@/src/liolib.c \
- @LUA53_TREE@/src/llex.c \
- @LUA53_TREE@/src/lmathlib.c \
- @LUA53_TREE@/src/lmem.c \
- @LUA53_TREE@/src/loadlib.c \
- @LUA53_TREE@/src/lobject.c \
- @LUA53_TREE@/src/lopcodes.c \
- @LUA53_TREE@/src/loslib.c \
- @LUA53_TREE@/src/lparser.c \
- @LUA53_TREE@/src/lstate.c \
- @LUA53_TREE@/src/lstring.c \
- @LUA53_TREE@/src/lstrlib.c \
- @LUA53_TREE@/src/ltable.c \
- @LUA53_TREE@/src/ltablib.c \
- @LUA53_TREE@/src/ltm.c \
- @LUA53_TREE@/src/lua.c \
- @LUA53_TREE@/src/lundump.c \
- @LUA53_TREE@/src/lutf8lib.c \
- @LUA53_TREE@/src/lvm.c \
- @LUA53_TREE@/src/lzio.c
-
-
-lua53includedir = ${includedir}/texlua53
-
-lua53include_HEADERS = \
- $(LUA53_TREE)/src/lauxlib.h \
- $(LUA53_TREE)/src/luaconf.h \
- $(LUA53_TREE)/src/lua.h \
- $(LUA53_TREE)/src/lua.hpp \
- $(LUA53_TREE)/src/lualib.h
-
-pkgconfigdir = ${libdir}/pkgconfig
-
-pkgconfig_DATA = texlua53.pc
-
-if build
-check_PROGRAMS = luatest luatry
-dist_check_SCRIPTS = lua53.test luaerror.test
-TESTS = lua53.test luaerror.test
-endif build
-lua53.log: luatest$(EXEEXT)
-luaerror.log: luatry$(EXEEXT)
-
-luatest_SOURCES = luatest.c
-
-luatest_CPPFLAGS = -Iinclude
-
-nodist_luatry_SOURCES = @LUA53_TREE@/src/lua.c
-
-luatry_CPPFLAGS = -Iinclude
-
-LDADD = libtexlua53.la
-
-EXTRA_DIST += error.exp
-CLEANFILES = error.out error.tmp
-
-# Rebuild
-rebuild_prereq =
-rebuild_target = all
-
-include $(srcdir)/../../am/rebuild.am
-
diff --git a/Build/source/libs/lua53/Makefile.in b/Build/source/libs/lua53/Makefile.in
deleted file mode 100644
index cec32de69a2..00000000000
--- a/Build/source/libs/lua53/Makefile.in
+++ /dev/null
@@ -1,1786 +0,0 @@
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-# @configure_input@
-
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-
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-# with or without modifications, as long as this notice is preserved.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
-# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
-# PARTICULAR PURPOSE.
-
-@SET_MAKE@
-
-
-
-VPATH = @srcdir@
-am__is_gnu_make = { \
- if test -z '$(MAKELEVEL)'; then \
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diff --git a/Build/source/libs/lua53/TLpatches/ChangeLog b/Build/source/libs/lua53/TLpatches/ChangeLog
deleted file mode 100644
index 4de12857918..00000000000
--- a/Build/source/libs/lua53/TLpatches/ChangeLog
+++ /dev/null
@@ -1,45 +0,0 @@
-2020-10-04 Luigi Scarso <luigi.scarso@gmail.com>
- Adapted for lua 5.3.6
-
-2018-07-21 Luigi Scarso <luigi.scarso@gmail.com>
- Adapted for lua 5.3.5
-
-2017-10-24 Luigi Scarso <luigi.scarso@gmail.com>
- Adapted for lua 5.3.4
-
-2015-03-11 Peter Breitenlohner <peb@mppmu.mpg.de>
-
- Import lua-5.2.4/ from http://www.lua.org/ftp/lua-5.2.4.tar.gz.
-
- * patch-01-utf-8, patch-02-FreeBSD, patch-03-export: Adapted.
-
-2014-10-22 Peter Breitenlohner <peb@mppmu.mpg.de>
-
- * patch-03-export (new): Export symbols for LuaTeX (from Luigi).
-
-2014-02-13 Peter Breitenlohner <peb@mppmu.mpg.de>
-
- * patch-02-FreeBSD (new): Required for FreeBSD.
- From Nikola Lecic <nikola.lecic@anthesphoria.net>.
-
-2014-02-13 Peter Breitenlohner <peb@mppmu.mpg.de>
-
- * patch-01-utf-8 (new): Allow utf-8 chars in identifiers.
- From Luigi Scarso <luigi.scarso@gmail.com>.
-
-2012-12-07 Peter Breitenlohner <peb@mppmu.mpg.de>
-
- Import lua-5.2.3/ from http://www.lua.org/ftp/lua-5.2.3.tar.gz.
-
-2012-06-25 Peter Breitenlohner <peb@mppmu.mpg.de>
-
- Import lua-5.2.2/ from http://www.lua.org/ftp/lua-5.2.2.tar.gz.
-
- * patch-01-const (removed): Now included upstream.
-
-2012-06-18 Peter Breitenlohner <peb@mppmu.mpg.de>
-
- Import lua-5.2.1/ from http://www.lua.org/ftp/lua-5.2.1.tar.gz.
-
- * patch-01-const (new): Add const to avoid warning.
-
diff --git a/Build/source/libs/lua53/TLpatches/patch-01-utf-8 b/Build/source/libs/lua53/TLpatches/patch-01-utf-8
deleted file mode 100644
index 69f07417699..00000000000
--- a/Build/source/libs/lua53/TLpatches/patch-01-utf-8
+++ /dev/null
@@ -1,27 +0,0 @@
-diff -u lctype.h.orig lctype.h
---- lctype.h.orig 2020-10-04 12:05:56.139893521 +0200
-+++ lctype.h 2020-10-04 12:21:33.348948021 +0200
-@@ -7,6 +7,8 @@
- #ifndef lctype_h
- #define lctype_h
-
-+#include <ctype.h>
-+
- #include "lua.h"
-
-
-@@ -53,9 +55,11 @@
-
- /*
- ** 'lalpha' (Lua alphabetic) and 'lalnum' (Lua alphanumeric) both include '_'
-+**
-+** all utf-8 chars (greater than 0x7f) are always alphabetic
- */
--#define lislalpha(c) testprop(c, MASK(ALPHABIT))
--#define lislalnum(c) testprop(c, (MASK(ALPHABIT) | MASK(DIGITBIT)))
-+#define lislalpha(c) (isalpha(c) || (c) == '_' || (c) > 0x7f)
-+#define lislalnum(c) (isalnum(c) || (c) == '_' || (c) > 0x7f)
- #define lisdigit(c) testprop(c, MASK(DIGITBIT))
- #define lisspace(c) testprop(c, MASK(SPACEBIT))
- #define lisprint(c) testprop(c, MASK(PRINTBIT))
-
diff --git a/Build/source/libs/lua53/TLpatches/patch-02-FreeBSD b/Build/source/libs/lua53/TLpatches/patch-02-FreeBSD
deleted file mode 100644
index c197854cbd4..00000000000
--- a/Build/source/libs/lua53/TLpatches/patch-02-FreeBSD
+++ /dev/null
@@ -1,13 +0,0 @@
-diff -u liolib.c.orig liolib.c
---- liolib.c.orig 2020-10-04 12:06:03.579772529 +0200
-+++ liolib.c 2020-10-04 12:12:12.061843306 +0200
-@@ -16,6 +16,9 @@
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
-+#if defined(HAVE_UNISTD_H)
-+#include <unistd.h>
-+#endif
-
- #include "lua.h"
-
diff --git a/Build/source/libs/lua53/TLpatches/patch-03-export b/Build/source/libs/lua53/TLpatches/patch-03-export
deleted file mode 100644
index 1da523bc755..00000000000
--- a/Build/source/libs/lua53/TLpatches/patch-03-export
+++ /dev/null
@@ -1,36 +0,0 @@
-diff -u lopcodes.h.orig lopcodes.h
---- lopcodes.h.orig 2020-10-04 12:06:08.639690280 +0200
-+++ lopcodes.h 2020-10-04 12:10:02.143921798 +0200
-@@ -278,7 +278,7 @@
- OpArgK /* argument is a constant or register/constant */
- };
-
--LUAI_DDEC const lu_byte luaP_opmodes[NUM_OPCODES];
-+LUA_API const lu_byte luaP_opmodes[NUM_OPCODES];
-
- #define getOpMode(m) (cast(enum OpMode, luaP_opmodes[m] & 3))
- #define getBMode(m) (cast(enum OpArgMask, (luaP_opmodes[m] >> 4) & 3))
-@@ -287,7 +287,7 @@
- #define testTMode(m) (luaP_opmodes[m] & (1 << 7))
-
-
--LUAI_DDEC const char *const luaP_opnames[NUM_OPCODES+1]; /* opcode names */
-+LUA_API const char *const luaP_opnames[NUM_OPCODES+1]; /* opcode names */
-
-
- /* number of list items to accumulate before a SETLIST instruction */
-
-
-diff -u lundump.h.orig lundump.h
---- lundump.h.orig 2020-10-04 12:06:14.335597724 +0200
-+++ lundump.h 2020-10-04 12:07:11.218675336 +0200
-@@ -26,7 +26,7 @@
- LUAI_FUNC LClosure* luaU_undump (lua_State* L, ZIO* Z, const char* name);
-
- /* dump one chunk; from ldump.c */
--LUAI_FUNC int luaU_dump (lua_State* L, const Proto* f, lua_Writer w,
-+LUAI_API int luaU_dump (lua_State* L, const Proto* f, lua_Writer w,
- void* data, int strip);
-
- #endif
-
diff --git a/Build/source/libs/lua53/ac/withenable.ac b/Build/source/libs/lua53/ac/withenable.ac
deleted file mode 100644
index cf5919601a7..00000000000
--- a/Build/source/libs/lua53/ac/withenable.ac
+++ /dev/null
@@ -1,7 +0,0 @@
-## libs/lua53/ac/withenable.ac: configure.ac fragment for the TeX Live subdirectory libs/lua53/
-dnl
-dnl Copyright (C) 2013 Peter Breitenlohner <tex-live@tug.org>
-dnl You may freely use, modify and/or distribute this file.
-dnl
-## configure options and TL libraries required for lua53
-KPSE_WITH_LIB([lua53], , [tree])
diff --git a/Build/source/libs/lua53/aclocal.m4 b/Build/source/libs/lua53/aclocal.m4
deleted file mode 100644
index 8edabe7a8ac..00000000000
--- a/Build/source/libs/lua53/aclocal.m4
+++ /dev/null
@@ -1,1180 +0,0 @@
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-# AM_SUBST_NOTMAKE(VARIABLE)
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-# Check how to create a tarball. -*- Autoconf -*-
-
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-#
-# This file is free software; the Free Software Foundation
-# gives unlimited permission to copy and/or distribute it,
-# with or without modifications, as long as this notice is preserved.
-
-# _AM_PROG_TAR(FORMAT)
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-# writing to stdout a FORMAT-tarball containing the directory
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-#
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-
-# We'll loop over all known methods to create a tar archive until one works.
-_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
-
-m4_if([$1], [v7],
- [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
-
- [m4_case([$1],
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- [# The POSIX 1988 'ustar' format is defined with fixed-size fields.
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- am_max_gid=$am_max_uid
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- am_uid=`id -u || echo unknown`
- am_gid=`id -g || echo unknown`
- AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format])
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- [m4_fatal([Unknown tar format])])
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- am__tar_='tar chf - "$tardir"'
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-AC_SUBST([am__tar])
-AC_SUBST([am__untar])
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-
-m4_include([../../m4/kpse-common.m4])
-m4_include([../../m4/kpse-dll-name.m4])
-m4_include([../../m4/kpse-largefile.m4])
-m4_include([../../m4/kpse-lib-version.m4])
-m4_include([../../m4/kpse-lua53-flags.m4])
-m4_include([../../m4/kpse-warnings.m4])
-m4_include([../../m4/kpse-win32.m4])
-m4_include([../../m4/libtool.m4])
-m4_include([../../m4/ltoptions.m4])
-m4_include([../../m4/ltsugar.m4])
-m4_include([../../m4/ltversion.m4])
-m4_include([../../m4/lt~obsolete.m4])
diff --git a/Build/source/libs/lua53/config.h.in b/Build/source/libs/lua53/config.h.in
deleted file mode 100644
index 0aa075a8fff..00000000000
--- a/Build/source/libs/lua53/config.h.in
+++ /dev/null
@@ -1,81 +0,0 @@
-/* config.h.in. Generated from configure.ac by autoheader. */
-
-/* Define to 1 if you have the <dlfcn.h> header file. */
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-
-/* Define to 1 if fseeko (and presumably ftello) exists and is declared. */
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-
-/* Define to 1 if you have the <inttypes.h> header file. */
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-
-/* Define to 1 if you have the <memory.h> header file. */
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-
-/* Define to 1 if you have the <stdint.h> header file. */
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-
-/* Define to 1 if you have the <stdlib.h> header file. */
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-
-/* Define to 1 if you have the <strings.h> header file. */
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-
-/* Define to 1 if you have the <string.h> header file. */
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-
-/* Define to 1 if you have the <sys/stat.h> header file. */
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-
-/* Define to 1 if you have the <sys/types.h> header file. */
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-
-/* Define to 1 if you have the <unistd.h> header file. */
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-
-/* Define to the sub-directory where libtool stores uninstalled libraries. */
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-/* Name of package */
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-
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-
-/* Define to the full name of this package. */
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-
-/* Define to the full name and version of this package. */
-#undef PACKAGE_STRING
-
-/* Define to the one symbol short name of this package. */
-#undef PACKAGE_TARNAME
-
-/* Define to the home page for this package. */
-#undef PACKAGE_URL
-
-/* Define to the version of this package. */
-#undef PACKAGE_VERSION
-
-/* The size of `void *', as computed by sizeof. */
-#undef SIZEOF_VOID_P
-
-/* Define to 1 if you have the ANSI C header files. */
-#undef STDC_HEADERS
-
-/* Version number of package */
-#undef VERSION
-
-/* Enable large inode numbers on Mac OS X 10.5. */
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-# define _DARWIN_USE_64_BIT_INODE 1
-#endif
-
-/* Number of bits in a file offset, on hosts where this is settable. */
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-
-/* Define to 1 to make fseeko visible on some hosts (e.g. glibc 2.2). */
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diff --git a/Build/source/libs/lua53/configure b/Build/source/libs/lua53/configure
deleted file mode 100755
index d1d0a6aa4f6..00000000000
--- a/Build/source/libs/lua53/configure
+++ /dev/null
@@ -1,16314 +0,0 @@
-#! /bin/sh
-# Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for lua53 (TeX Live) 5.3.6.
-#
-# Report bugs to <tex-k@tug.org>.
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-#
-#
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-# gives unlimited permission to copy, distribute and modify it.
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-
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- '
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- (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
- PATH_SEPARATOR=';'
- }
-fi
-
-
-# IFS
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-
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- *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
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- test -z "$as_dir" && as_dir=.
- test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
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-IFS=$as_save_IFS
-
- ;;
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-# We did not find ourselves, most probably we were run as `sh COMMAND'
-# in which case we are not to be found in the path.
-if test "x$as_myself" = x; then
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- $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
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-PS1='$ '
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-
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-export LC_ALL
-LANGUAGE=C
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-
-# CDPATH.
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-
-# Use a proper internal environment variable to ensure we don't fall
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- # We cannot yet assume a decent shell, so we have to provide a
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-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
- kb_cv_c_prototypes=yes
-else
- kb_cv_c_prototypes=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
- conftest$ac_exeext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $kb_cv_c_prototypes" >&5
-$as_echo "$kb_cv_c_prototypes" >&6; }
-if test "x$kb_cv_c_prototypes" = xno; then
- as_fn_error $? "Sorry, your compiler does not understand prototypes." "$LINENO" 5
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking what warning flags to pass to the C compiler" >&5
-$as_echo_n "checking what warning flags to pass to the C compiler... " >&6; }
-if ${kpse_cv_warning_cflags+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test "x$GCC" = xyes; then
- kpse_cv_warning_cflags=
-if test "x$enable_compiler_warnings" != xno; then
- kpse_cv_warning_cflags="-Wimplicit -Wreturn-type"
- case `$CC -dumpversion` in #(
- 3.4.* | 4.* | 5.*) :
- kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wdeclaration-after-statement" ;; #(
- *) :
- ;;
-esac
- case `$CC -dumpversion` in #(
- 3.[234].* | 4.* | 5.*) :
- kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wno-unknown-pragmas" ;; #(
- *) :
- ;;
-esac
- if test "x$enable_compiler_warnings" != xmin; then
- kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
- kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
- if test "x$enable_compiler_warnings" != xyes; then
- kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
- kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wcast-qual -Wcast-align -Wwrite-strings"
- case `$CC -dumpversion` in #(
- 3.4.* | 4.* | 5.*) :
- kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wold-style-definition" ;; #(
- *) :
- ;;
-esac
- if test "x$enable_compiler_warnings" != xmax; then
- kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wshadow"
- fi
- fi
- fi
-fi
-elif test "x$enable_compiler_warnings" = xno; then
- kpse_cv_warning_cflags=
-else
- kpse_cv_warning_cflags= # FIXME: warning flags for non-GNU C compilers
-fi
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $kpse_cv_warning_cflags" >&5
-$as_echo "$kpse_cv_warning_cflags" >&6; }
-WARNING_CFLAGS=$kpse_cv_warning_cflags
-
-
-
-
-
-
-
-
-ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-if test -n "$ac_tool_prefix"; then
- # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args.
-set dummy ${ac_tool_prefix}gcc; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CC+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$CC"; then
- ac_cv_prog_CC="$CC" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_prog_CC="${ac_tool_prefix}gcc"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
- done
-IFS=$as_save_IFS
-
-fi
-fi
-CC=$ac_cv_prog_CC
-if test -n "$CC"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-$as_echo "$CC" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-fi
-if test -z "$ac_cv_prog_CC"; then
- ac_ct_CC=$CC
- # Extract the first word of "gcc", so it can be a program name with args.
-set dummy gcc; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_CC+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$ac_ct_CC"; then
- ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_prog_ac_ct_CC="gcc"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
- done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_CC=$ac_cv_prog_ac_ct_CC
-if test -n "$ac_ct_CC"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
-$as_echo "$ac_ct_CC" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
- if test "x$ac_ct_CC" = x; then
- CC=""
- else
- case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
- CC=$ac_ct_CC
- fi
-else
- CC="$ac_cv_prog_CC"
-fi
-
-if test -z "$CC"; then
- if test -n "$ac_tool_prefix"; then
- # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args.
-set dummy ${ac_tool_prefix}cc; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CC+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$CC"; then
- ac_cv_prog_CC="$CC" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_prog_CC="${ac_tool_prefix}cc"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
- done
-IFS=$as_save_IFS
-
-fi
-fi
-CC=$ac_cv_prog_CC
-if test -n "$CC"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-$as_echo "$CC" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
- fi
-fi
-if test -z "$CC"; then
- # Extract the first word of "cc", so it can be a program name with args.
-set dummy cc; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CC+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$CC"; then
- ac_cv_prog_CC="$CC" # Let the user override the test.
-else
- ac_prog_rejected=no
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
- ac_prog_rejected=yes
- continue
- fi
- ac_cv_prog_CC="cc"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
- done
-IFS=$as_save_IFS
-
-if test $ac_prog_rejected = yes; then
- # We found a bogon in the path, so make sure we never use it.
- set dummy $ac_cv_prog_CC
- shift
- if test $# != 0; then
- # We chose a different compiler from the bogus one.
- # However, it has the same basename, so the bogon will be chosen
- # first if we set CC to just the basename; use the full file name.
- shift
- ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@"
- fi
-fi
-fi
-fi
-CC=$ac_cv_prog_CC
-if test -n "$CC"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-$as_echo "$CC" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-fi
-if test -z "$CC"; then
- if test -n "$ac_tool_prefix"; then
- for ac_prog in cl.exe
- do
- # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
-set dummy $ac_tool_prefix$ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CC+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$CC"; then
- ac_cv_prog_CC="$CC" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
- done
-IFS=$as_save_IFS
-
-fi
-fi
-CC=$ac_cv_prog_CC
-if test -n "$CC"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-$as_echo "$CC" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
- test -n "$CC" && break
- done
-fi
-if test -z "$CC"; then
- ac_ct_CC=$CC
- for ac_prog in cl.exe
-do
- # Extract the first word of "$ac_prog", so it can be a program name with args.
-set dummy $ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_CC+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$ac_ct_CC"; then
- ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_prog_ac_ct_CC="$ac_prog"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
- done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_CC=$ac_cv_prog_ac_ct_CC
-if test -n "$ac_ct_CC"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
-$as_echo "$ac_ct_CC" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
- test -n "$ac_ct_CC" && break
-done
-
- if test "x$ac_ct_CC" = x; then
- CC=""
- else
- case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
- CC=$ac_ct_CC
- fi
-fi
-
-fi
-
-
-test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error $? "no acceptable C compiler found in \$PATH
-See \`config.log' for more details" "$LINENO" 5; }
-
-# Provide some information about the compiler.
-$as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
-set X $ac_compile
-ac_compiler=$2
-for ac_option in --version -v -V -qversion; do
- { { ac_try="$ac_compiler $ac_option >&5"
-case "(($ac_try" in
- *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
- *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
- (eval "$ac_compiler $ac_option >&5") 2>conftest.err
- ac_status=$?
- if test -s conftest.err; then
- sed '10a\
-... rest of stderr output deleted ...
- 10q' conftest.err >conftest.er1
- cat conftest.er1 >&5
- fi
- rm -f conftest.er1 conftest.err
- $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
- test $ac_status = 0; }
-done
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C compiler" >&5
-$as_echo_n "checking whether we are using the GNU C compiler... " >&6; }
-if ${ac_cv_c_compiler_gnu+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-
-int
-main ()
-{
-#ifndef __GNUC__
- choke me
-#endif
-
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
- ac_compiler_gnu=yes
-else
- ac_compiler_gnu=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-ac_cv_c_compiler_gnu=$ac_compiler_gnu
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5
-$as_echo "$ac_cv_c_compiler_gnu" >&6; }
-if test $ac_compiler_gnu = yes; then
- GCC=yes
-else
- GCC=
-fi
-ac_test_CFLAGS=${CFLAGS+set}
-ac_save_CFLAGS=$CFLAGS
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5
-$as_echo_n "checking whether $CC accepts -g... " >&6; }
-if ${ac_cv_prog_cc_g+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- ac_save_c_werror_flag=$ac_c_werror_flag
- ac_c_werror_flag=yes
- ac_cv_prog_cc_g=no
- CFLAGS="-g"
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-
-int
-main ()
-{
-
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
- ac_cv_prog_cc_g=yes
-else
- CFLAGS=""
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-
-int
-main ()
-{
-
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-
-else
- ac_c_werror_flag=$ac_save_c_werror_flag
- CFLAGS="-g"
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-
-int
-main ()
-{
-
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
- ac_cv_prog_cc_g=yes
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
- ac_c_werror_flag=$ac_save_c_werror_flag
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5
-$as_echo "$ac_cv_prog_cc_g" >&6; }
-if test "$ac_test_CFLAGS" = set; then
- CFLAGS=$ac_save_CFLAGS
-elif test $ac_cv_prog_cc_g = yes; then
- if test "$GCC" = yes; then
- CFLAGS="-g -O2"
- else
- CFLAGS="-g"
- fi
-else
- if test "$GCC" = yes; then
- CFLAGS="-O2"
- else
- CFLAGS=
- fi
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5
-$as_echo_n "checking for $CC option to accept ISO C89... " >&6; }
-if ${ac_cv_prog_cc_c89+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- ac_cv_prog_cc_c89=no
-ac_save_CC=$CC
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#include <stdarg.h>
-#include <stdio.h>
-struct stat;
-/* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */
-struct buf { int x; };
-FILE * (*rcsopen) (struct buf *, struct stat *, int);
-static char *e (p, i)
- char **p;
- int i;
-{
- return p[i];
-}
-static char *f (char * (*g) (char **, int), char **p, ...)
-{
- char *s;
- va_list v;
- va_start (v,p);
- s = g (p, va_arg (v,int));
- va_end (v);
- return s;
-}
-
-/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default. It has
- function prototypes and stuff, but not '\xHH' hex character constants.
- These don't provoke an error unfortunately, instead are silently treated
- as 'x'. The following induces an error, until -std is added to get
- proper ANSI mode. Curiously '\x00'!='x' always comes out true, for an
- array size at least. It's necessary to write '\x00'==0 to get something
- that's true only with -std. */
-int osf4_cc_array ['\x00' == 0 ? 1 : -1];
-
-/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters
- inside strings and character constants. */
-#define FOO(x) 'x'
-int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1];
-
-int test (int i, double x);
-struct s1 {int (*f) (int a);};
-struct s2 {int (*f) (double a);};
-int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
-int argc;
-char **argv;
-int
-main ()
-{
-return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1];
- ;
- return 0;
-}
-_ACEOF
-for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \
- -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
-do
- CC="$ac_save_CC $ac_arg"
- if ac_fn_c_try_compile "$LINENO"; then :
- ac_cv_prog_cc_c89=$ac_arg
-fi
-rm -f core conftest.err conftest.$ac_objext
- test "x$ac_cv_prog_cc_c89" != "xno" && break
-done
-rm -f conftest.$ac_ext
-CC=$ac_save_CC
-
-fi
-# AC_CACHE_VAL
-case "x$ac_cv_prog_cc_c89" in
- x)
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
-$as_echo "none needed" >&6; } ;;
- xno)
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
-$as_echo "unsupported" >&6; } ;;
- *)
- CC="$CC $ac_cv_prog_cc_c89"
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5
-$as_echo "$ac_cv_prog_cc_c89" >&6; } ;;
-esac
-if test "x$ac_cv_prog_cc_c89" != xno; then :
-
-fi
-
-ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-
-ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC understands -c and -o together" >&5
-$as_echo_n "checking whether $CC understands -c and -o together... " >&6; }
-if ${am_cv_prog_cc_c_o+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-
-int
-main ()
-{
-
- ;
- return 0;
-}
-_ACEOF
- # Make sure it works both with $CC and with simple cc.
- # Following AC_PROG_CC_C_O, we do the test twice because some
- # compilers refuse to overwrite an existing .o file with -o,
- # though they will create one.
- am_cv_prog_cc_c_o=yes
- for am_i in 1 2; do
- if { echo "$as_me:$LINENO: $CC -c conftest.$ac_ext -o conftest2.$ac_objext" >&5
- ($CC -c conftest.$ac_ext -o conftest2.$ac_objext) >&5 2>&5
- ac_status=$?
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); } \
- && test -f conftest2.$ac_objext; then
- : OK
- else
- am_cv_prog_cc_c_o=no
- break
- fi
- done
- rm -f core conftest*
- unset am_i
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_prog_cc_c_o" >&5
-$as_echo "$am_cv_prog_cc_c_o" >&6; }
-if test "$am_cv_prog_cc_c_o" != yes; then
- # Losing compiler, so override with the script.
- # FIXME: It is wrong to rewrite CC.
- # But if we don't then we get into trouble of one sort or another.
- # A longer-term fix would be to have automake use am__CC in this case,
- # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
- CC="$am_aux_dir/compile $CC"
-fi
-ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-
-
-depcc="$CC" am_compiler_list=
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking dependency style of $depcc" >&5
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-if ${am_cv_CC_dependencies_compiler_type+:} false; then :
- $as_echo_n "(cached) " >&6
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- # making a dummy file named 'D' -- because '-MD' means "put the output
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- # using a relative directory.
- cp "$am_depcomp" conftest.dir
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- # We will build objects and dependencies in a subdirectory because
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- # side effect of compilation, but ICC will put the dependencies in
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- # directory.
- mkdir sub
-
- am_cv_CC_dependencies_compiler_type=none
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-
- for depmode in $am_compiler_list; do
- # Setup a source with many dependencies, because some compilers
- # like to wrap large dependency lists on column 80 (with \), and
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- #
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- # overwrite some of them when testing with obscure command lines.
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- : > sub/conftest.c
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-
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- msvc7 | msvc7msys | msvisualcpp | msvcmsys)
- # This compiler won't grok '-c -o', but also, the minuso test has
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- if depmode=$depmode \
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- grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
- ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
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- # that says an option was ignored or not supported.
- # When given -MP, icc 7.0 and 7.1 complain thusly:
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- # The diagnosis changed in icc 8.0:
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- am_cv_CC_dependencies_compiler_type=$depmode
- break
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- done
-
- cd ..
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- am_cv_CC_dependencies_compiler_type=none
-fi
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_CC_dependencies_compiler_type" >&5
-$as_echo "$am_cv_CC_dependencies_compiler_type" >&6; }
-CCDEPMODE=depmode=$am_cv_CC_dependencies_compiler_type
-
- if
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- && test "$am_cv_CC_dependencies_compiler_type" = gcc3; then
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- am__fastdepCC_TRUE='#'
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-
-
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C99" >&5
-$as_echo_n "checking for $CC option to accept ISO C99... " >&6; }
-if ${ac_cv_prog_cc_c99+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- ac_cv_prog_cc_c99=no
-ac_save_CC=$CC
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#include <stdarg.h>
-#include <stdbool.h>
-#include <stdlib.h>
-#include <wchar.h>
-#include <stdio.h>
-
-// Check varargs macros. These examples are taken from C99 6.10.3.5.
-#define debug(...) fprintf (stderr, __VA_ARGS__)
-#define showlist(...) puts (#__VA_ARGS__)
-#define report(test,...) ((test) ? puts (#test) : printf (__VA_ARGS__))
-static void
-test_varargs_macros (void)
-{
- int x = 1234;
- int y = 5678;
- debug ("Flag");
- debug ("X = %d\n", x);
- showlist (The first, second, and third items.);
- report (x>y, "x is %d but y is %d", x, y);
-}
-
-// Check long long types.
-#define BIG64 18446744073709551615ull
-#define BIG32 4294967295ul
-#define BIG_OK (BIG64 / BIG32 == 4294967297ull && BIG64 % BIG32 == 0)
-#if !BIG_OK
- your preprocessor is broken;
-#endif
-#if BIG_OK
-#else
- your preprocessor is broken;
-#endif
-static long long int bignum = -9223372036854775807LL;
-static unsigned long long int ubignum = BIG64;
-
-struct incomplete_array
-{
- int datasize;
- double data[];
-};
-
-struct named_init {
- int number;
- const wchar_t *name;
- double average;
-};
-
-typedef const char *ccp;
-
-static inline int
-test_restrict (ccp restrict text)
-{
- // See if C++-style comments work.
- // Iterate through items via the restricted pointer.
- // Also check for declarations in for loops.
- for (unsigned int i = 0; *(text+i) != '\0'; ++i)
- continue;
- return 0;
-}
-
-// Check varargs and va_copy.
-static void
-test_varargs (const char *format, ...)
-{
- va_list args;
- va_start (args, format);
- va_list args_copy;
- va_copy (args_copy, args);
-
- const char *str;
- int number;
- float fnumber;
-
- while (*format)
- {
- switch (*format++)
- {
- case 's': // string
- str = va_arg (args_copy, const char *);
- break;
- case 'd': // int
- number = va_arg (args_copy, int);
- break;
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- fnumber = va_arg (args_copy, double);
- break;
- default:
- break;
- }
- }
- va_end (args_copy);
- va_end (args);
-}
-
-int
-main ()
-{
-
- // Check bool.
- _Bool success = false;
-
- // Check restrict.
- if (test_restrict ("String literal") == 0)
- success = true;
- char *restrict newvar = "Another string";
-
- // Check varargs.
- test_varargs ("s, d' f .", "string", 65, 34.234);
- test_varargs_macros ();
-
- // Check flexible array members.
- struct incomplete_array *ia =
- malloc (sizeof (struct incomplete_array) + (sizeof (double) * 10));
- ia->datasize = 10;
- for (int i = 0; i < ia->datasize; ++i)
- ia->data[i] = i * 1.234;
-
- // Check named initializers.
- struct named_init ni = {
- .number = 34,
- .name = L"Test wide string",
- .average = 543.34343,
- };
-
- ni.number = 58;
-
- int dynamic_array[ni.number];
- dynamic_array[ni.number - 1] = 543;
-
- // work around unused variable warnings
- return (!success || bignum == 0LL || ubignum == 0uLL || newvar[0] == 'x'
- || dynamic_array[ni.number - 1] != 543);
-
- ;
- return 0;
-}
-_ACEOF
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-do
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- if ac_fn_c_try_compile "$LINENO"; then :
- ac_cv_prog_cc_c99=$ac_arg
-fi
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-
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-# AC_CACHE_VAL
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-$as_echo "none needed" >&6; } ;;
- xno)
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
-$as_echo "unsupported" >&6; } ;;
- *)
- CC="$CC $ac_cv_prog_cc_c99"
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-esac
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-
-fi
-
-
-if test -n "$ac_tool_prefix"; then
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-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_RANLIB+:} false; then :
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- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
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-
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-RANLIB=$ac_cv_prog_RANLIB
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- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
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-
-
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-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_RANLIB+:} false; then :
- $as_echo_n "(cached) " >&6
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- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
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-IFS=$as_save_IFS
-
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-fi
-ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB
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-$as_echo "$ac_ct_RANLIB" >&6; }
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- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
- if test "x$ac_ct_RANLIB" = x; then
- RANLIB=":"
- else
- case $cross_compiling:$ac_tool_warned in
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-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
- RANLIB=$ac_ct_RANLIB
- fi
-else
- RANLIB="$ac_cv_prog_RANLIB"
-fi
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ln -s works" >&5
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-LN_S=$as_ln_s
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- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no, using $LN_S" >&5
-$as_echo "no, using $LN_S" >&6; }
-fi
-
-
-LUA53VERSION=5.3.6
-
-
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-
-
-case `pwd` in
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-esac
-
-
-
-macro_version='2.4.6'
-macro_revision='2.4.6'
-
-
-
-
-
-
-
-
-
-
-
-
-
-ltmain=$ac_aux_dir/ltmain.sh
-
-# Make sure we can run config.sub.
-$SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 ||
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-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking build system type" >&5
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-if ${ac_cv_build+:} false; then :
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-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5
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-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking host system type" >&5
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-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5
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-# Same as above, but do not quote variable references.
-double_quote_subst='s/\(["`\\]\)/\\\1/g'
-
-# Sed substitution to delay expansion of an escaped shell variable in a
-# double_quote_subst'ed string.
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-
-# Sed substitution to delay expansion of an escaped single quote.
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-
-# Sed substitution to avoid accidental globbing in evaled expressions
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-
-ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
-ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO
-ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO$ECHO
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-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to print strings" >&5
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- test "X`print -r -- $ECHO 2>/dev/null`" = "X$ECHO"; then
- ECHO='print -r --'
-elif test "X`printf %s $ECHO 2>/dev/null`" = "X$ECHO"; then
- ECHO='printf %s\n'
-else
- # Use this function as a fallback that always works.
- func_fallback_echo ()
- {
- eval 'cat <<_LTECHO_EOF
-$1
-_LTECHO_EOF'
- }
- ECHO='func_fallback_echo'
-fi
-
-# func_echo_all arg...
-# Invoke $ECHO with all args, space-separated.
-func_echo_all ()
-{
- $ECHO ""
-}
-
-case $ECHO in
- printf*) { $as_echo "$as_me:${as_lineno-$LINENO}: result: printf" >&5
-$as_echo "printf" >&6; } ;;
- print*) { $as_echo "$as_me:${as_lineno-$LINENO}: result: print -r" >&5
-$as_echo "print -r" >&6; } ;;
- *) { $as_echo "$as_me:${as_lineno-$LINENO}: result: cat" >&5
-$as_echo "cat" >&6; } ;;
-esac
-
-
-
-
-
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-
-
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-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a sed that does not truncate output" >&5
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-if ${ac_cv_path_SED+:} false; then :
- $as_echo_n "(cached) " >&6
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- ac_script=s/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb/
- for ac_i in 1 2 3 4 5 6 7; do
- ac_script="$ac_script$as_nl$ac_script"
- done
- echo "$ac_script" 2>/dev/null | sed 99q >conftest.sed
- { ac_script=; unset ac_script;}
- if test -z "$SED"; then
- ac_path_SED_found=false
- # Loop through the user's path and test for each of PROGNAME-LIST
- as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_prog in sed gsed; do
- for ac_exec_ext in '' $ac_executable_extensions; do
- ac_path_SED="$as_dir/$ac_prog$ac_exec_ext"
- as_fn_executable_p "$ac_path_SED" || continue
-# Check for GNU ac_path_SED and select it if it is found.
- # Check for GNU $ac_path_SED
-case `"$ac_path_SED" --version 2>&1` in
-*GNU*)
- ac_cv_path_SED="$ac_path_SED" ac_path_SED_found=:;;
-*)
- ac_count=0
- $as_echo_n 0123456789 >"conftest.in"
- while :
- do
- cat "conftest.in" "conftest.in" >"conftest.tmp"
- mv "conftest.tmp" "conftest.in"
- cp "conftest.in" "conftest.nl"
- $as_echo '' >> "conftest.nl"
- "$ac_path_SED" -f conftest.sed < "conftest.nl" >"conftest.out" 2>/dev/null || break
- diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
- as_fn_arith $ac_count + 1 && ac_count=$as_val
- if test $ac_count -gt ${ac_path_SED_max-0}; then
- # Best one so far, save it but keep looking for a better one
- ac_cv_path_SED="$ac_path_SED"
- ac_path_SED_max=$ac_count
- fi
- # 10*(2^10) chars as input seems more than enough
- test $ac_count -gt 10 && break
- done
- rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
-esac
-
- $ac_path_SED_found && break 3
- done
- done
- done
-IFS=$as_save_IFS
- if test -z "$ac_cv_path_SED"; then
- as_fn_error $? "no acceptable sed could be found in \$PATH" "$LINENO" 5
- fi
-else
- ac_cv_path_SED=$SED
-fi
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_SED" >&5
-$as_echo "$ac_cv_path_SED" >&6; }
- SED="$ac_cv_path_SED"
- rm -f conftest.sed
-
-test -z "$SED" && SED=sed
-Xsed="$SED -e 1s/^X//"
-
-
-
-
-
-
-
-
-
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
-$as_echo_n "checking for grep that handles long lines and -e... " >&6; }
-if ${ac_cv_path_GREP+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -z "$GREP"; then
- ac_path_GREP_found=false
- # Loop through the user's path and test for each of PROGNAME-LIST
- as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
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- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_prog in grep ggrep; do
- for ac_exec_ext in '' $ac_executable_extensions; do
- ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
- as_fn_executable_p "$ac_path_GREP" || continue
-# Check for GNU ac_path_GREP and select it if it is found.
- # Check for GNU $ac_path_GREP
-case `"$ac_path_GREP" --version 2>&1` in
-*GNU*)
- ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
-*)
- ac_count=0
- $as_echo_n 0123456789 >"conftest.in"
- while :
- do
- cat "conftest.in" "conftest.in" >"conftest.tmp"
- mv "conftest.tmp" "conftest.in"
- cp "conftest.in" "conftest.nl"
- $as_echo 'GREP' >> "conftest.nl"
- "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break
- diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
- as_fn_arith $ac_count + 1 && ac_count=$as_val
- if test $ac_count -gt ${ac_path_GREP_max-0}; then
- # Best one so far, save it but keep looking for a better one
- ac_cv_path_GREP="$ac_path_GREP"
- ac_path_GREP_max=$ac_count
- fi
- # 10*(2^10) chars as input seems more than enough
- test $ac_count -gt 10 && break
- done
- rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
-esac
-
- $ac_path_GREP_found && break 3
- done
- done
- done
-IFS=$as_save_IFS
- if test -z "$ac_cv_path_GREP"; then
- as_fn_error $? "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
- fi
-else
- ac_cv_path_GREP=$GREP
-fi
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
-$as_echo "$ac_cv_path_GREP" >&6; }
- GREP="$ac_cv_path_GREP"
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
-$as_echo_n "checking for egrep... " >&6; }
-if ${ac_cv_path_EGREP+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
- then ac_cv_path_EGREP="$GREP -E"
- else
- if test -z "$EGREP"; then
- ac_path_EGREP_found=false
- # Loop through the user's path and test for each of PROGNAME-LIST
- as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_prog in egrep; do
- for ac_exec_ext in '' $ac_executable_extensions; do
- ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
- as_fn_executable_p "$ac_path_EGREP" || continue
-# Check for GNU ac_path_EGREP and select it if it is found.
- # Check for GNU $ac_path_EGREP
-case `"$ac_path_EGREP" --version 2>&1` in
-*GNU*)
- ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;;
-*)
- ac_count=0
- $as_echo_n 0123456789 >"conftest.in"
- while :
- do
- cat "conftest.in" "conftest.in" >"conftest.tmp"
- mv "conftest.tmp" "conftest.in"
- cp "conftest.in" "conftest.nl"
- $as_echo 'EGREP' >> "conftest.nl"
- "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
- diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
- as_fn_arith $ac_count + 1 && ac_count=$as_val
- if test $ac_count -gt ${ac_path_EGREP_max-0}; then
- # Best one so far, save it but keep looking for a better one
- ac_cv_path_EGREP="$ac_path_EGREP"
- ac_path_EGREP_max=$ac_count
- fi
- # 10*(2^10) chars as input seems more than enough
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- done
- rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
-esac
-
- $ac_path_EGREP_found && break 3
- done
- done
- done
-IFS=$as_save_IFS
- if test -z "$ac_cv_path_EGREP"; then
- as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
- fi
-else
- ac_cv_path_EGREP=$EGREP
-fi
-
- fi
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
-$as_echo "$ac_cv_path_EGREP" >&6; }
- EGREP="$ac_cv_path_EGREP"
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for fgrep" >&5
-$as_echo_n "checking for fgrep... " >&6; }
-if ${ac_cv_path_FGREP+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if echo 'ab*c' | $GREP -F 'ab*c' >/dev/null 2>&1
- then ac_cv_path_FGREP="$GREP -F"
- else
- if test -z "$FGREP"; then
- ac_path_FGREP_found=false
- # Loop through the user's path and test for each of PROGNAME-LIST
- as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_prog in fgrep; do
- for ac_exec_ext in '' $ac_executable_extensions; do
- ac_path_FGREP="$as_dir/$ac_prog$ac_exec_ext"
- as_fn_executable_p "$ac_path_FGREP" || continue
-# Check for GNU ac_path_FGREP and select it if it is found.
- # Check for GNU $ac_path_FGREP
-case `"$ac_path_FGREP" --version 2>&1` in
-*GNU*)
- ac_cv_path_FGREP="$ac_path_FGREP" ac_path_FGREP_found=:;;
-*)
- ac_count=0
- $as_echo_n 0123456789 >"conftest.in"
- while :
- do
- cat "conftest.in" "conftest.in" >"conftest.tmp"
- mv "conftest.tmp" "conftest.in"
- cp "conftest.in" "conftest.nl"
- $as_echo 'FGREP' >> "conftest.nl"
- "$ac_path_FGREP" FGREP < "conftest.nl" >"conftest.out" 2>/dev/null || break
- diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
- as_fn_arith $ac_count + 1 && ac_count=$as_val
- if test $ac_count -gt ${ac_path_FGREP_max-0}; then
- # Best one so far, save it but keep looking for a better one
- ac_cv_path_FGREP="$ac_path_FGREP"
- ac_path_FGREP_max=$ac_count
- fi
- # 10*(2^10) chars as input seems more than enough
- test $ac_count -gt 10 && break
- done
- rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
-esac
-
- $ac_path_FGREP_found && break 3
- done
- done
- done
-IFS=$as_save_IFS
- if test -z "$ac_cv_path_FGREP"; then
- as_fn_error $? "no acceptable fgrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
- fi
-else
- ac_cv_path_FGREP=$FGREP
-fi
-
- fi
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_FGREP" >&5
-$as_echo "$ac_cv_path_FGREP" >&6; }
- FGREP="$ac_cv_path_FGREP"
-
-
-test -z "$GREP" && GREP=grep
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-# Check whether --with-gnu-ld was given.
-if test "${with_gnu_ld+set}" = set; then :
- withval=$with_gnu_ld; test no = "$withval" || with_gnu_ld=yes
-else
- with_gnu_ld=no
-fi
-
-ac_prog=ld
-if test yes = "$GCC"; then
- # Check if gcc -print-prog-name=ld gives a path.
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld used by $CC" >&5
-$as_echo_n "checking for ld used by $CC... " >&6; }
- case $host in
- *-*-mingw*)
- # gcc leaves a trailing carriage return, which upsets mingw
- ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
- *)
- ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
- esac
- case $ac_prog in
- # Accept absolute paths.
- [\\/]* | ?:[\\/]*)
- re_direlt='/[^/][^/]*/\.\./'
- # Canonicalize the pathname of ld
- ac_prog=`$ECHO "$ac_prog"| $SED 's%\\\\%/%g'`
- while $ECHO "$ac_prog" | $GREP "$re_direlt" > /dev/null 2>&1; do
- ac_prog=`$ECHO $ac_prog| $SED "s%$re_direlt%/%"`
- done
- test -z "$LD" && LD=$ac_prog
- ;;
- "")
- # If it fails, then pretend we aren't using GCC.
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- ;;
- *)
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- with_gnu_ld=unknown
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- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GNU ld" >&5
-$as_echo_n "checking for GNU ld... " >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for non-GNU ld" >&5
-$as_echo_n "checking for non-GNU ld... " >&6; }
-fi
-if ${lt_cv_path_LD+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -z "$LD"; then
- lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR
- for ac_dir in $PATH; do
- IFS=$lt_save_ifs
- test -z "$ac_dir" && ac_dir=.
- if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
- lt_cv_path_LD=$ac_dir/$ac_prog
- # Check to see if the program is GNU ld. I'd rather use --version,
- # but apparently some variants of GNU ld only accept -v.
- # Break only if it was the GNU/non-GNU ld that we prefer.
- case `"$lt_cv_path_LD" -v 2>&1 </dev/null` in
- *GNU* | *'with BFD'*)
- test no != "$with_gnu_ld" && break
- ;;
- *)
- test yes != "$with_gnu_ld" && break
- ;;
- esac
- fi
- done
- IFS=$lt_save_ifs
-else
- lt_cv_path_LD=$LD # Let the user override the test with a path.
-fi
-fi
-
-LD=$lt_cv_path_LD
-if test -n "$LD"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LD" >&5
-$as_echo "$LD" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-test -z "$LD" && as_fn_error $? "no acceptable ld found in \$PATH" "$LINENO" 5
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if the linker ($LD) is GNU ld" >&5
-$as_echo_n "checking if the linker ($LD) is GNU ld... " >&6; }
-if ${lt_cv_prog_gnu_ld+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- # I'd rather use --version here, but apparently some GNU lds only accept -v.
-case `$LD -v 2>&1 </dev/null` in
-*GNU* | *'with BFD'*)
- lt_cv_prog_gnu_ld=yes
- ;;
-*)
- lt_cv_prog_gnu_ld=no
- ;;
-esac
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_gnu_ld" >&5
-$as_echo "$lt_cv_prog_gnu_ld" >&6; }
-with_gnu_ld=$lt_cv_prog_gnu_ld
-
-
-
-
-
-
-
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for BSD- or MS-compatible name lister (nm)" >&5
-$as_echo_n "checking for BSD- or MS-compatible name lister (nm)... " >&6; }
-if ${lt_cv_path_NM+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$NM"; then
- # Let the user override the test.
- lt_cv_path_NM=$NM
-else
- lt_nm_to_check=${ac_tool_prefix}nm
- if test -n "$ac_tool_prefix" && test "$build" = "$host"; then
- lt_nm_to_check="$lt_nm_to_check nm"
- fi
- for lt_tmp_nm in $lt_nm_to_check; do
- lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR
- for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do
- IFS=$lt_save_ifs
- test -z "$ac_dir" && ac_dir=.
- tmp_nm=$ac_dir/$lt_tmp_nm
- if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext"; then
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- # Adding the 'sed 1q' prevents false positives on HP-UX, which says:
- # nm: unknown option "B" ignored
- # Tru64's nm complains that /dev/null is an invalid object file
- # MSYS converts /dev/null to NUL, MinGW nm treats NUL as empty
- case $build_os in
- mingw*) lt_bad_file=conftest.nm/nofile ;;
- *) lt_bad_file=/dev/null ;;
- esac
- case `"$tmp_nm" -B $lt_bad_file 2>&1 | sed '1q'` in
- *$lt_bad_file* | *'Invalid file or object type'*)
- lt_cv_path_NM="$tmp_nm -B"
- break 2
- ;;
- *)
- case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in
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- lt_cv_path_NM="$tmp_nm -p"
- break 2
- ;;
- *)
- lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but
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- ;;
- esac
- ;;
- esac
- fi
- done
- IFS=$lt_save_ifs
- done
- : ${lt_cv_path_NM=no}
-fi
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_NM" >&5
-$as_echo "$lt_cv_path_NM" >&6; }
-if test no != "$lt_cv_path_NM"; then
- NM=$lt_cv_path_NM
-else
- # Didn't find any BSD compatible name lister, look for dumpbin.
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- # Let the user override the test.
- else
- if test -n "$ac_tool_prefix"; then
- for ac_prog in dumpbin "link -dump"
- do
- # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
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-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_DUMPBIN+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$DUMPBIN"; then
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-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_prog_DUMPBIN="$ac_tool_prefix$ac_prog"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
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-IFS=$as_save_IFS
-
-fi
-fi
-DUMPBIN=$ac_cv_prog_DUMPBIN
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- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DUMPBIN" >&5
-$as_echo "$DUMPBIN" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
- test -n "$DUMPBIN" && break
- done
-fi
-if test -z "$DUMPBIN"; then
- ac_ct_DUMPBIN=$DUMPBIN
- for ac_prog in dumpbin "link -dump"
-do
- # Extract the first word of "$ac_prog", so it can be a program name with args.
-set dummy $ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_DUMPBIN+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$ac_ct_DUMPBIN"; then
- ac_cv_prog_ac_ct_DUMPBIN="$ac_ct_DUMPBIN" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_prog_ac_ct_DUMPBIN="$ac_prog"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
- done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_DUMPBIN=$ac_cv_prog_ac_ct_DUMPBIN
-if test -n "$ac_ct_DUMPBIN"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DUMPBIN" >&5
-$as_echo "$ac_ct_DUMPBIN" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
- test -n "$ac_ct_DUMPBIN" && break
-done
-
- if test "x$ac_ct_DUMPBIN" = x; then
- DUMPBIN=":"
- else
- case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
- DUMPBIN=$ac_ct_DUMPBIN
- fi
-fi
-
- case `$DUMPBIN -symbols -headers /dev/null 2>&1 | sed '1q'` in
- *COFF*)
- DUMPBIN="$DUMPBIN -symbols -headers"
- ;;
- *)
- DUMPBIN=:
- ;;
- esac
- fi
-
- if test : != "$DUMPBIN"; then
- NM=$DUMPBIN
- fi
-fi
-test -z "$NM" && NM=nm
-
-
-
-
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking the name lister ($NM) interface" >&5
-$as_echo_n "checking the name lister ($NM) interface... " >&6; }
-if ${lt_cv_nm_interface+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- lt_cv_nm_interface="BSD nm"
- echo "int some_variable = 0;" > conftest.$ac_ext
- (eval echo "\"\$as_me:$LINENO: $ac_compile\"" >&5)
- (eval "$ac_compile" 2>conftest.err)
- cat conftest.err >&5
- (eval echo "\"\$as_me:$LINENO: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
- (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out)
- cat conftest.err >&5
- (eval echo "\"\$as_me:$LINENO: output\"" >&5)
- cat conftest.out >&5
- if $GREP 'External.*some_variable' conftest.out > /dev/null; then
- lt_cv_nm_interface="MS dumpbin"
- fi
- rm -f conftest*
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_nm_interface" >&5
-$as_echo "$lt_cv_nm_interface" >&6; }
-
-# find the maximum length of command line arguments
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking the maximum length of command line arguments" >&5
-$as_echo_n "checking the maximum length of command line arguments... " >&6; }
-if ${lt_cv_sys_max_cmd_len+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- i=0
- teststring=ABCD
-
- case $build_os in
- msdosdjgpp*)
- # On DJGPP, this test can blow up pretty badly due to problems in libc
- # (any single argument exceeding 2000 bytes causes a buffer overrun
- # during glob expansion). Even if it were fixed, the result of this
- # check would be larger than it should be.
- lt_cv_sys_max_cmd_len=12288; # 12K is about right
- ;;
-
- gnu*)
- # Under GNU Hurd, this test is not required because there is
- # no limit to the length of command line arguments.
- # Libtool will interpret -1 as no limit whatsoever
- lt_cv_sys_max_cmd_len=-1;
- ;;
-
- cygwin* | mingw* | cegcc*)
- # On Win9x/ME, this test blows up -- it succeeds, but takes
- # about 5 minutes as the teststring grows exponentially.
- # Worse, since 9x/ME are not pre-emptively multitasking,
- # you end up with a "frozen" computer, even though with patience
- # the test eventually succeeds (with a max line length of 256k).
- # Instead, let's just punt: use the minimum linelength reported by
- # all of the supported platforms: 8192 (on NT/2K/XP).
- lt_cv_sys_max_cmd_len=8192;
- ;;
-
- mint*)
- # On MiNT this can take a long time and run out of memory.
- lt_cv_sys_max_cmd_len=8192;
- ;;
-
- amigaos*)
- # On AmigaOS with pdksh, this test takes hours, literally.
- # So we just punt and use a minimum line length of 8192.
- lt_cv_sys_max_cmd_len=8192;
- ;;
-
- bitrig* | darwin* | dragonfly* | freebsd* | netbsd* | openbsd*)
- # This has been around since 386BSD, at least. Likely further.
- if test -x /sbin/sysctl; then
- lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax`
- elif test -x /usr/sbin/sysctl; then
- lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax`
- else
- lt_cv_sys_max_cmd_len=65536 # usable default for all BSDs
- fi
- # And add a safety zone
- lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
- lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
- ;;
-
- interix*)
- # We know the value 262144 and hardcode it with a safety zone (like BSD)
- lt_cv_sys_max_cmd_len=196608
- ;;
-
- os2*)
- # The test takes a long time on OS/2.
- lt_cv_sys_max_cmd_len=8192
- ;;
-
- osf*)
- # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure
- # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not
- # nice to cause kernel panics so lets avoid the loop below.
- # First set a reasonable default.
- lt_cv_sys_max_cmd_len=16384
- #
- if test -x /sbin/sysconfig; then
- case `/sbin/sysconfig -q proc exec_disable_arg_limit` in
- *1*) lt_cv_sys_max_cmd_len=-1 ;;
- esac
- fi
- ;;
- sco3.2v5*)
- lt_cv_sys_max_cmd_len=102400
- ;;
- sysv5* | sco5v6* | sysv4.2uw2*)
- kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null`
- if test -n "$kargmax"; then
- lt_cv_sys_max_cmd_len=`echo $kargmax | sed 's/.*[ ]//'`
- else
- lt_cv_sys_max_cmd_len=32768
- fi
- ;;
- *)
- lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null`
- if test -n "$lt_cv_sys_max_cmd_len" && \
- test undefined != "$lt_cv_sys_max_cmd_len"; then
- lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
- lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
- else
- # Make teststring a little bigger before we do anything with it.
- # a 1K string should be a reasonable start.
- for i in 1 2 3 4 5 6 7 8; do
- teststring=$teststring$teststring
- done
- SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}}
- # If test is not a shell built-in, we'll probably end up computing a
- # maximum length that is only half of the actual maximum length, but
- # we can't tell.
- while { test X`env echo "$teststring$teststring" 2>/dev/null` \
- = "X$teststring$teststring"; } >/dev/null 2>&1 &&
- test 17 != "$i" # 1/2 MB should be enough
- do
- i=`expr $i + 1`
- teststring=$teststring$teststring
- done
- # Only check the string length outside the loop.
- lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1`
- teststring=
- # Add a significant safety factor because C++ compilers can tack on
- # massive amounts of additional arguments before passing them to the
- # linker. It appears as though 1/2 is a usable value.
- lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2`
- fi
- ;;
- esac
-
-fi
-
-if test -n "$lt_cv_sys_max_cmd_len"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sys_max_cmd_len" >&5
-$as_echo "$lt_cv_sys_max_cmd_len" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: none" >&5
-$as_echo "none" >&6; }
-fi
-max_cmd_len=$lt_cv_sys_max_cmd_len
-
-
-
-
-
-
-: ${CP="cp -f"}
-: ${MV="mv -f"}
-: ${RM="rm -f"}
-
-if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
- lt_unset=unset
-else
- lt_unset=false
-fi
-
-
-
-
-
-# test EBCDIC or ASCII
-case `echo X|tr X '\101'` in
- A) # ASCII based system
- # \n is not interpreted correctly by Solaris 8 /usr/ucb/tr
- lt_SP2NL='tr \040 \012'
- lt_NL2SP='tr \015\012 \040\040'
- ;;
- *) # EBCDIC based system
- lt_SP2NL='tr \100 \n'
- lt_NL2SP='tr \r\n \100\100'
- ;;
-esac
-
-
-
-
-
-
-
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to $host format" >&5
-$as_echo_n "checking how to convert $build file names to $host format... " >&6; }
-if ${lt_cv_to_host_file_cmd+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- case $host in
- *-*-mingw* )
- case $build in
- *-*-mingw* ) # actually msys
- lt_cv_to_host_file_cmd=func_convert_file_msys_to_w32
- ;;
- *-*-cygwin* )
- lt_cv_to_host_file_cmd=func_convert_file_cygwin_to_w32
- ;;
- * ) # otherwise, assume *nix
- lt_cv_to_host_file_cmd=func_convert_file_nix_to_w32
- ;;
- esac
- ;;
- *-*-cygwin* )
- case $build in
- *-*-mingw* ) # actually msys
- lt_cv_to_host_file_cmd=func_convert_file_msys_to_cygwin
- ;;
- *-*-cygwin* )
- lt_cv_to_host_file_cmd=func_convert_file_noop
- ;;
- * ) # otherwise, assume *nix
- lt_cv_to_host_file_cmd=func_convert_file_nix_to_cygwin
- ;;
- esac
- ;;
- * ) # unhandled hosts (and "normal" native builds)
- lt_cv_to_host_file_cmd=func_convert_file_noop
- ;;
-esac
-
-fi
-
-to_host_file_cmd=$lt_cv_to_host_file_cmd
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_host_file_cmd" >&5
-$as_echo "$lt_cv_to_host_file_cmd" >&6; }
-
-
-
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to toolchain format" >&5
-$as_echo_n "checking how to convert $build file names to toolchain format... " >&6; }
-if ${lt_cv_to_tool_file_cmd+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- #assume ordinary cross tools, or native build.
-lt_cv_to_tool_file_cmd=func_convert_file_noop
-case $host in
- *-*-mingw* )
- case $build in
- *-*-mingw* ) # actually msys
- lt_cv_to_tool_file_cmd=func_convert_file_msys_to_w32
- ;;
- esac
- ;;
-esac
-
-fi
-
-to_tool_file_cmd=$lt_cv_to_tool_file_cmd
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_tool_file_cmd" >&5
-$as_echo "$lt_cv_to_tool_file_cmd" >&6; }
-
-
-
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $LD option to reload object files" >&5
-$as_echo_n "checking for $LD option to reload object files... " >&6; }
-if ${lt_cv_ld_reload_flag+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- lt_cv_ld_reload_flag='-r'
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_reload_flag" >&5
-$as_echo "$lt_cv_ld_reload_flag" >&6; }
-reload_flag=$lt_cv_ld_reload_flag
-case $reload_flag in
-"" | " "*) ;;
-*) reload_flag=" $reload_flag" ;;
-esac
-reload_cmds='$LD$reload_flag -o $output$reload_objs'
-case $host_os in
- cygwin* | mingw* | pw32* | cegcc*)
- if test yes != "$GCC"; then
- reload_cmds=false
- fi
- ;;
- darwin*)
- if test yes = "$GCC"; then
- reload_cmds='$LTCC $LTCFLAGS -nostdlib $wl-r -o $output$reload_objs'
- else
- reload_cmds='$LD$reload_flag -o $output$reload_objs'
- fi
- ;;
-esac
-
-
-
-
-
-
-
-
-
-if test -n "$ac_tool_prefix"; then
- # Extract the first word of "${ac_tool_prefix}objdump", so it can be a program name with args.
-set dummy ${ac_tool_prefix}objdump; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_OBJDUMP+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$OBJDUMP"; then
- ac_cv_prog_OBJDUMP="$OBJDUMP" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_prog_OBJDUMP="${ac_tool_prefix}objdump"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
- done
-IFS=$as_save_IFS
-
-fi
-fi
-OBJDUMP=$ac_cv_prog_OBJDUMP
-if test -n "$OBJDUMP"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OBJDUMP" >&5
-$as_echo "$OBJDUMP" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-fi
-if test -z "$ac_cv_prog_OBJDUMP"; then
- ac_ct_OBJDUMP=$OBJDUMP
- # Extract the first word of "objdump", so it can be a program name with args.
-set dummy objdump; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_OBJDUMP+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$ac_ct_OBJDUMP"; then
- ac_cv_prog_ac_ct_OBJDUMP="$ac_ct_OBJDUMP" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_prog_ac_ct_OBJDUMP="objdump"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
- done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_OBJDUMP=$ac_cv_prog_ac_ct_OBJDUMP
-if test -n "$ac_ct_OBJDUMP"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OBJDUMP" >&5
-$as_echo "$ac_ct_OBJDUMP" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
- if test "x$ac_ct_OBJDUMP" = x; then
- OBJDUMP="false"
- else
- case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
- OBJDUMP=$ac_ct_OBJDUMP
- fi
-else
- OBJDUMP="$ac_cv_prog_OBJDUMP"
-fi
-
-test -z "$OBJDUMP" && OBJDUMP=objdump
-
-
-
-
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to recognize dependent libraries" >&5
-$as_echo_n "checking how to recognize dependent libraries... " >&6; }
-if ${lt_cv_deplibs_check_method+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- lt_cv_file_magic_cmd='$MAGIC_CMD'
-lt_cv_file_magic_test_file=
-lt_cv_deplibs_check_method='unknown'
-# Need to set the preceding variable on all platforms that support
-# interlibrary dependencies.
-# 'none' -- dependencies not supported.
-# 'unknown' -- same as none, but documents that we really don't know.
-# 'pass_all' -- all dependencies passed with no checks.
-# 'test_compile' -- check by making test program.
-# 'file_magic [[regex]]' -- check by looking for files in library path
-# that responds to the $file_magic_cmd with a given extended regex.
-# If you have 'file' or equivalent on your system and you're not sure
-# whether 'pass_all' will *always* work, you probably want this one.
-
-case $host_os in
-aix[4-9]*)
- lt_cv_deplibs_check_method=pass_all
- ;;
-
-beos*)
- lt_cv_deplibs_check_method=pass_all
- ;;
-
-bsdi[45]*)
- lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)'
- lt_cv_file_magic_cmd='/usr/bin/file -L'
- lt_cv_file_magic_test_file=/shlib/libc.so
- ;;
-
-cygwin*)
- # func_win32_libid is a shell function defined in ltmain.sh
- lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL'
- lt_cv_file_magic_cmd='func_win32_libid'
- ;;
-
-mingw* | pw32*)
- # Base MSYS/MinGW do not provide the 'file' command needed by
- # func_win32_libid shell function, so use a weaker test based on 'objdump',
- # unless we find 'file', for example because we are cross-compiling.
- if ( file / ) >/dev/null 2>&1; then
- lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL'
- lt_cv_file_magic_cmd='func_win32_libid'
- else
- # Keep this pattern in sync with the one in func_win32_libid.
- lt_cv_deplibs_check_method='file_magic file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)'
- lt_cv_file_magic_cmd='$OBJDUMP -f'
- fi
- ;;
-
-cegcc*)
- # use the weaker test based on 'objdump'. See mingw*.
- lt_cv_deplibs_check_method='file_magic file format pe-arm-.*little(.*architecture: arm)?'
- lt_cv_file_magic_cmd='$OBJDUMP -f'
- ;;
-
-darwin* | rhapsody*)
- lt_cv_deplibs_check_method=pass_all
- ;;
-
-freebsd* | dragonfly*)
- if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then
- case $host_cpu in
- i*86 )
- # Not sure whether the presence of OpenBSD here was a mistake.
- # Let's accept both of them until this is cleared up.
- lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[3-9]86 (compact )?demand paged shared library'
- lt_cv_file_magic_cmd=/usr/bin/file
- lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*`
- ;;
- esac
- else
- lt_cv_deplibs_check_method=pass_all
- fi
- ;;
-
-haiku*)
- lt_cv_deplibs_check_method=pass_all
- ;;
-
-hpux10.20* | hpux11*)
- lt_cv_file_magic_cmd=/usr/bin/file
- case $host_cpu in
- ia64*)
- lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF-[0-9][0-9]) shared object file - IA64'
- lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so
- ;;
- hppa*64*)
- lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF[ -][0-9][0-9])(-bit)?( [LM]SB)? shared object( file)?[, -]* PA-RISC [0-9]\.[0-9]'
- lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl
- ;;
- *)
- lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9]\.[0-9]) shared library'
- lt_cv_file_magic_test_file=/usr/lib/libc.sl
- ;;
- esac
- ;;
-
-interix[3-9]*)
- # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here
- lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|\.a)$'
- ;;
-
-irix5* | irix6* | nonstopux*)
- case $LD in
- *-32|*"-32 ") libmagic=32-bit;;
- *-n32|*"-n32 ") libmagic=N32;;
- *-64|*"-64 ") libmagic=64-bit;;
- *) libmagic=never-match;;
- esac
- lt_cv_deplibs_check_method=pass_all
- ;;
-
-# This must be glibc/ELF.
-linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
- lt_cv_deplibs_check_method=pass_all
- ;;
-
-netbsd*)
- if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then
- lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$'
- else
- lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|_pic\.a)$'
- fi
- ;;
-
-newos6*)
- lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (executable|dynamic lib)'
- lt_cv_file_magic_cmd=/usr/bin/file
- lt_cv_file_magic_test_file=/usr/lib/libnls.so
- ;;
-
-*nto* | *qnx*)
- lt_cv_deplibs_check_method=pass_all
- ;;
-
-openbsd* | bitrig*)
- if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then
- lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|\.so|_pic\.a)$'
- else
- lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$'
- fi
- ;;
-
-osf3* | osf4* | osf5*)
- lt_cv_deplibs_check_method=pass_all
- ;;
-
-rdos*)
- lt_cv_deplibs_check_method=pass_all
- ;;
-
-solaris*)
- lt_cv_deplibs_check_method=pass_all
- ;;
-
-sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
- lt_cv_deplibs_check_method=pass_all
- ;;
-
-sysv4 | sysv4.3*)
- case $host_vendor in
- motorola)
- lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]'
- lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*`
- ;;
- ncr)
- lt_cv_deplibs_check_method=pass_all
- ;;
- sequent)
- lt_cv_file_magic_cmd='/bin/file'
- lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )'
- ;;
- sni)
- lt_cv_file_magic_cmd='/bin/file'
- lt_cv_deplibs_check_method="file_magic ELF [0-9][0-9]*-bit [LM]SB dynamic lib"
- lt_cv_file_magic_test_file=/lib/libc.so
- ;;
- siemens)
- lt_cv_deplibs_check_method=pass_all
- ;;
- pc)
- lt_cv_deplibs_check_method=pass_all
- ;;
- esac
- ;;
-
-tpf*)
- lt_cv_deplibs_check_method=pass_all
- ;;
-os2*)
- lt_cv_deplibs_check_method=pass_all
- ;;
-esac
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_deplibs_check_method" >&5
-$as_echo "$lt_cv_deplibs_check_method" >&6; }
-
-file_magic_glob=
-want_nocaseglob=no
-if test "$build" = "$host"; then
- case $host_os in
- mingw* | pw32*)
- if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then
- want_nocaseglob=yes
- else
- file_magic_glob=`echo aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ | $SED -e "s/\(..\)/s\/[\1]\/[\1]\/g;/g"`
- fi
- ;;
- esac
-fi
-
-file_magic_cmd=$lt_cv_file_magic_cmd
-deplibs_check_method=$lt_cv_deplibs_check_method
-test -z "$deplibs_check_method" && deplibs_check_method=unknown
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-if test -n "$ac_tool_prefix"; then
- # Extract the first word of "${ac_tool_prefix}dlltool", so it can be a program name with args.
-set dummy ${ac_tool_prefix}dlltool; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_DLLTOOL+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$DLLTOOL"; then
- ac_cv_prog_DLLTOOL="$DLLTOOL" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_prog_DLLTOOL="${ac_tool_prefix}dlltool"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
- done
-IFS=$as_save_IFS
-
-fi
-fi
-DLLTOOL=$ac_cv_prog_DLLTOOL
-if test -n "$DLLTOOL"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DLLTOOL" >&5
-$as_echo "$DLLTOOL" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-fi
-if test -z "$ac_cv_prog_DLLTOOL"; then
- ac_ct_DLLTOOL=$DLLTOOL
- # Extract the first word of "dlltool", so it can be a program name with args.
-set dummy dlltool; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_DLLTOOL+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$ac_ct_DLLTOOL"; then
- ac_cv_prog_ac_ct_DLLTOOL="$ac_ct_DLLTOOL" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_prog_ac_ct_DLLTOOL="dlltool"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
- done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_DLLTOOL=$ac_cv_prog_ac_ct_DLLTOOL
-if test -n "$ac_ct_DLLTOOL"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DLLTOOL" >&5
-$as_echo "$ac_ct_DLLTOOL" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
- if test "x$ac_ct_DLLTOOL" = x; then
- DLLTOOL="false"
- else
- case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
- DLLTOOL=$ac_ct_DLLTOOL
- fi
-else
- DLLTOOL="$ac_cv_prog_DLLTOOL"
-fi
-
-test -z "$DLLTOOL" && DLLTOOL=dlltool
-
-
-
-
-
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to associate runtime and link libraries" >&5
-$as_echo_n "checking how to associate runtime and link libraries... " >&6; }
-if ${lt_cv_sharedlib_from_linklib_cmd+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- lt_cv_sharedlib_from_linklib_cmd='unknown'
-
-case $host_os in
-cygwin* | mingw* | pw32* | cegcc*)
- # two different shell functions defined in ltmain.sh;
- # decide which one to use based on capabilities of $DLLTOOL
- case `$DLLTOOL --help 2>&1` in
- *--identify-strict*)
- lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib
- ;;
- *)
- lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib_fallback
- ;;
- esac
- ;;
-*)
- # fallback: assume linklib IS sharedlib
- lt_cv_sharedlib_from_linklib_cmd=$ECHO
- ;;
-esac
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sharedlib_from_linklib_cmd" >&5
-$as_echo "$lt_cv_sharedlib_from_linklib_cmd" >&6; }
-sharedlib_from_linklib_cmd=$lt_cv_sharedlib_from_linklib_cmd
-test -z "$sharedlib_from_linklib_cmd" && sharedlib_from_linklib_cmd=$ECHO
-
-
-
-
-
-
-
-if test -n "$ac_tool_prefix"; then
- for ac_prog in ar
- do
- # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
-set dummy $ac_tool_prefix$ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_AR+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$AR"; then
- ac_cv_prog_AR="$AR" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_prog_AR="$ac_tool_prefix$ac_prog"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
- done
-IFS=$as_save_IFS
-
-fi
-fi
-AR=$ac_cv_prog_AR
-if test -n "$AR"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AR" >&5
-$as_echo "$AR" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
- test -n "$AR" && break
- done
-fi
-if test -z "$AR"; then
- ac_ct_AR=$AR
- for ac_prog in ar
-do
- # Extract the first word of "$ac_prog", so it can be a program name with args.
-set dummy $ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_AR+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$ac_ct_AR"; then
- ac_cv_prog_ac_ct_AR="$ac_ct_AR" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_prog_ac_ct_AR="$ac_prog"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
- done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_AR=$ac_cv_prog_ac_ct_AR
-if test -n "$ac_ct_AR"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AR" >&5
-$as_echo "$ac_ct_AR" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
- test -n "$ac_ct_AR" && break
-done
-
- if test "x$ac_ct_AR" = x; then
- AR="false"
- else
- case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
- AR=$ac_ct_AR
- fi
-fi
-
-: ${AR=ar}
-: ${AR_FLAGS=cru}
-
-
-
-
-
-
-
-
-
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for archiver @FILE support" >&5
-$as_echo_n "checking for archiver @FILE support... " >&6; }
-if ${lt_cv_ar_at_file+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- lt_cv_ar_at_file=no
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-
-int
-main ()
-{
-
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
- echo conftest.$ac_objext > conftest.lst
- lt_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst >&5'
- { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5
- (eval $lt_ar_try) 2>&5
- ac_status=$?
- $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
- test $ac_status = 0; }
- if test 0 -eq "$ac_status"; then
- # Ensure the archiver fails upon bogus file names.
- rm -f conftest.$ac_objext libconftest.a
- { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5
- (eval $lt_ar_try) 2>&5
- ac_status=$?
- $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
- test $ac_status = 0; }
- if test 0 -ne "$ac_status"; then
- lt_cv_ar_at_file=@
- fi
- fi
- rm -f conftest.* libconftest.a
-
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ar_at_file" >&5
-$as_echo "$lt_cv_ar_at_file" >&6; }
-
-if test no = "$lt_cv_ar_at_file"; then
- archiver_list_spec=
-else
- archiver_list_spec=$lt_cv_ar_at_file
-fi
-
-
-
-
-
-
-
-if test -n "$ac_tool_prefix"; then
- # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args.
-set dummy ${ac_tool_prefix}strip; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_STRIP+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$STRIP"; then
- ac_cv_prog_STRIP="$STRIP" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_prog_STRIP="${ac_tool_prefix}strip"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
- done
-IFS=$as_save_IFS
-
-fi
-fi
-STRIP=$ac_cv_prog_STRIP
-if test -n "$STRIP"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5
-$as_echo "$STRIP" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-fi
-if test -z "$ac_cv_prog_STRIP"; then
- ac_ct_STRIP=$STRIP
- # Extract the first word of "strip", so it can be a program name with args.
-set dummy strip; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_STRIP+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$ac_ct_STRIP"; then
- ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_prog_ac_ct_STRIP="strip"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
- done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP
-if test -n "$ac_ct_STRIP"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5
-$as_echo "$ac_ct_STRIP" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
- if test "x$ac_ct_STRIP" = x; then
- STRIP=":"
- else
- case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
- STRIP=$ac_ct_STRIP
- fi
-else
- STRIP="$ac_cv_prog_STRIP"
-fi
-
-test -z "$STRIP" && STRIP=:
-
-
-
-
-
-
-if test -n "$ac_tool_prefix"; then
- # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args.
-set dummy ${ac_tool_prefix}ranlib; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_RANLIB+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$RANLIB"; then
- ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
- done
-IFS=$as_save_IFS
-
-fi
-fi
-RANLIB=$ac_cv_prog_RANLIB
-if test -n "$RANLIB"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5
-$as_echo "$RANLIB" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-fi
-if test -z "$ac_cv_prog_RANLIB"; then
- ac_ct_RANLIB=$RANLIB
- # Extract the first word of "ranlib", so it can be a program name with args.
-set dummy ranlib; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_RANLIB+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$ac_ct_RANLIB"; then
- ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_prog_ac_ct_RANLIB="ranlib"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
- done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB
-if test -n "$ac_ct_RANLIB"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5
-$as_echo "$ac_ct_RANLIB" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
- if test "x$ac_ct_RANLIB" = x; then
- RANLIB=":"
- else
- case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
- RANLIB=$ac_ct_RANLIB
- fi
-else
- RANLIB="$ac_cv_prog_RANLIB"
-fi
-
-test -z "$RANLIB" && RANLIB=:
-
-
-
-
-
-
-# Determine commands to create old-style static archives.
-old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs'
-old_postinstall_cmds='chmod 644 $oldlib'
-old_postuninstall_cmds=
-
-if test -n "$RANLIB"; then
- case $host_os in
- bitrig* | openbsd*)
- old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$tool_oldlib"
- ;;
- *)
- old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$tool_oldlib"
- ;;
- esac
- old_archive_cmds="$old_archive_cmds~\$RANLIB \$tool_oldlib"
-fi
-
-case $host_os in
- darwin*)
- lock_old_archive_extraction=yes ;;
- *)
- lock_old_archive_extraction=no ;;
-esac
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-# If no C compiler was specified, use CC.
-LTCC=${LTCC-"$CC"}
-
-# If no C compiler flags were specified, use CFLAGS.
-LTCFLAGS=${LTCFLAGS-"$CFLAGS"}
-
-# Allow CC to be a program name with arguments.
-compiler=$CC
-
-
-# Check for command to grab the raw symbol name followed by C symbol from nm.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking command to parse $NM output from $compiler object" >&5
-$as_echo_n "checking command to parse $NM output from $compiler object... " >&6; }
-if ${lt_cv_sys_global_symbol_pipe+:} false; then :
- $as_echo_n "(cached) " >&6
-else
-
-# These are sane defaults that work on at least a few old systems.
-# [They come from Ultrix. What could be older than Ultrix?!! ;)]
-
-# Character class describing NM global symbol codes.
-symcode='[BCDEGRST]'
-
-# Regexp to match symbols that can be accessed directly from C.
-sympat='\([_A-Za-z][_A-Za-z0-9]*\)'
-
-# Define system-specific variables.
-case $host_os in
-aix*)
- symcode='[BCDT]'
- ;;
-cygwin* | mingw* | pw32* | cegcc*)
- symcode='[ABCDGISTW]'
- ;;
-hpux*)
- if test ia64 = "$host_cpu"; then
- symcode='[ABCDEGRST]'
- fi
- ;;
-irix* | nonstopux*)
- symcode='[BCDEGRST]'
- ;;
-osf*)
- symcode='[BCDEGQRST]'
- ;;
-solaris*)
- symcode='[BDRT]'
- ;;
-sco3.2v5*)
- symcode='[DT]'
- ;;
-sysv4.2uw2*)
- symcode='[DT]'
- ;;
-sysv5* | sco5v6* | unixware* | OpenUNIX*)
- symcode='[ABDT]'
- ;;
-sysv4)
- symcode='[DFNSTU]'
- ;;
-esac
-
-# If we're using GNU nm, then use its standard symbol codes.
-case `$NM -V 2>&1` in
-*GNU* | *'with BFD'*)
- symcode='[ABCDGIRSTW]' ;;
-esac
-
-if test "$lt_cv_nm_interface" = "MS dumpbin"; then
- # Gets list of data symbols to import.
- lt_cv_sys_global_symbol_to_import="sed -n -e 's/^I .* \(.*\)$/\1/p'"
- # Adjust the below global symbol transforms to fixup imported variables.
- lt_cdecl_hook=" -e 's/^I .* \(.*\)$/extern __declspec(dllimport) char \1;/p'"
- lt_c_name_hook=" -e 's/^I .* \(.*\)$/ {\"\1\", (void *) 0},/p'"
- lt_c_name_lib_hook="\
- -e 's/^I .* \(lib.*\)$/ {\"\1\", (void *) 0},/p'\
- -e 's/^I .* \(.*\)$/ {\"lib\1\", (void *) 0},/p'"
-else
- # Disable hooks by default.
- lt_cv_sys_global_symbol_to_import=
- lt_cdecl_hook=
- lt_c_name_hook=
- lt_c_name_lib_hook=
-fi
-
-# Transform an extracted symbol line into a proper C declaration.
-# Some systems (esp. on ia64) link data and code symbols differently,
-# so use this general approach.
-lt_cv_sys_global_symbol_to_cdecl="sed -n"\
-$lt_cdecl_hook\
-" -e 's/^T .* \(.*\)$/extern int \1();/p'"\
-" -e 's/^$symcode$symcode* .* \(.*\)$/extern char \1;/p'"
-
-# Transform an extracted symbol line into symbol name and symbol address
-lt_cv_sys_global_symbol_to_c_name_address="sed -n"\
-$lt_c_name_hook\
-" -e 's/^: \(.*\) .*$/ {\"\1\", (void *) 0},/p'"\
-" -e 's/^$symcode$symcode* .* \(.*\)$/ {\"\1\", (void *) \&\1},/p'"
-
-# Transform an extracted symbol line into symbol name with lib prefix and
-# symbol address.
-lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n"\
-$lt_c_name_lib_hook\
-" -e 's/^: \(.*\) .*$/ {\"\1\", (void *) 0},/p'"\
-" -e 's/^$symcode$symcode* .* \(lib.*\)$/ {\"\1\", (void *) \&\1},/p'"\
-" -e 's/^$symcode$symcode* .* \(.*\)$/ {\"lib\1\", (void *) \&\1},/p'"
-
-# Handle CRLF in mingw tool chain
-opt_cr=
-case $build_os in
-mingw*)
- opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp
- ;;
-esac
-
-# Try without a prefix underscore, then with it.
-for ac_symprfx in "" "_"; do
-
- # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol.
- symxfrm="\\1 $ac_symprfx\\2 \\2"
-
- # Write the raw and C identifiers.
- if test "$lt_cv_nm_interface" = "MS dumpbin"; then
- # Fake it for dumpbin and say T for any non-static function,
- # D for any global variable and I for any imported variable.
- # Also find C++ and __fastcall symbols from MSVC++,
- # which start with @ or ?.
- lt_cv_sys_global_symbol_pipe="$AWK '"\
-" {last_section=section; section=\$ 3};"\
-" /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\
-" /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\
-" /^ *Symbol name *: /{split(\$ 0,sn,\":\"); si=substr(sn[2],2)};"\
-" /^ *Type *: code/{print \"T\",si,substr(si,length(prfx))};"\
-" /^ *Type *: data/{print \"I\",si,substr(si,length(prfx))};"\
-" \$ 0!~/External *\|/{next};"\
-" / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\
-" {if(hide[section]) next};"\
-" {f=\"D\"}; \$ 0~/\(\).*\|/{f=\"T\"};"\
-" {split(\$ 0,a,/\||\r/); split(a[2],s)};"\
-" s[1]~/^[@?]/{print f,s[1],s[1]; next};"\
-" s[1]~prfx {split(s[1],t,\"@\"); print f,t[1],substr(t[1],length(prfx))}"\
-" ' prfx=^$ac_symprfx"
- else
- lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[ ]\($symcode$symcode*\)[ ][ ]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'"
- fi
- lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | sed '/ __gnu_lto/d'"
-
- # Check to see that the pipe works correctly.
- pipe_works=no
-
- rm -f conftest*
- cat > conftest.$ac_ext <<_LT_EOF
-#ifdef __cplusplus
-extern "C" {
-#endif
-char nm_test_var;
-void nm_test_func(void);
-void nm_test_func(void){}
-#ifdef __cplusplus
-}
-#endif
-int main(){nm_test_var='a';nm_test_func();return(0);}
-_LT_EOF
-
- if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
- (eval $ac_compile) 2>&5
- ac_status=$?
- $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
- test $ac_status = 0; }; then
- # Now try to grab the symbols.
- nlist=conftest.nm
- if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist\""; } >&5
- (eval $NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) 2>&5
- ac_status=$?
- $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
- test $ac_status = 0; } && test -s "$nlist"; then
- # Try sorting and uniquifying the output.
- if sort "$nlist" | uniq > "$nlist"T; then
- mv -f "$nlist"T "$nlist"
- else
- rm -f "$nlist"T
- fi
-
- # Make sure that we snagged all the symbols we need.
- if $GREP ' nm_test_var$' "$nlist" >/dev/null; then
- if $GREP ' nm_test_func$' "$nlist" >/dev/null; then
- cat <<_LT_EOF > conftest.$ac_ext
-/* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */
-#if defined _WIN32 || defined __CYGWIN__ || defined _WIN32_WCE
-/* DATA imports from DLLs on WIN32 can't be const, because runtime
- relocations are performed -- see ld's documentation on pseudo-relocs. */
-# define LT_DLSYM_CONST
-#elif defined __osf__
-/* This system does not cope well with relocations in const data. */
-# define LT_DLSYM_CONST
-#else
-# define LT_DLSYM_CONST const
-#endif
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-_LT_EOF
- # Now generate the symbol file.
- eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext'
-
- cat <<_LT_EOF >> conftest.$ac_ext
-
-/* The mapping between symbol names and symbols. */
-LT_DLSYM_CONST struct {
- const char *name;
- void *address;
-}
-lt__PROGRAM__LTX_preloaded_symbols[] =
-{
- { "@PROGRAM@", (void *) 0 },
-_LT_EOF
- $SED "s/^$symcode$symcode* .* \(.*\)$/ {\"\1\", (void *) \&\1},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext
- cat <<\_LT_EOF >> conftest.$ac_ext
- {0, (void *) 0}
-};
-
-/* This works around a problem in FreeBSD linker */
-#ifdef FREEBSD_WORKAROUND
-static const void *lt_preloaded_setup() {
- return lt__PROGRAM__LTX_preloaded_symbols;
-}
-#endif
-
-#ifdef __cplusplus
-}
-#endif
-_LT_EOF
- # Now try linking the two files.
- mv conftest.$ac_objext conftstm.$ac_objext
- lt_globsym_save_LIBS=$LIBS
- lt_globsym_save_CFLAGS=$CFLAGS
- LIBS=conftstm.$ac_objext
- CFLAGS="$CFLAGS$lt_prog_compiler_no_builtin_flag"
- if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5
- (eval $ac_link) 2>&5
- ac_status=$?
- $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
- test $ac_status = 0; } && test -s conftest$ac_exeext; then
- pipe_works=yes
- fi
- LIBS=$lt_globsym_save_LIBS
- CFLAGS=$lt_globsym_save_CFLAGS
- else
- echo "cannot find nm_test_func in $nlist" >&5
- fi
- else
- echo "cannot find nm_test_var in $nlist" >&5
- fi
- else
- echo "cannot run $lt_cv_sys_global_symbol_pipe" >&5
- fi
- else
- echo "$progname: failed program was:" >&5
- cat conftest.$ac_ext >&5
- fi
- rm -rf conftest* conftst*
-
- # Do not use the global_symbol_pipe unless it works.
- if test yes = "$pipe_works"; then
- break
- else
- lt_cv_sys_global_symbol_pipe=
- fi
-done
-
-fi
-
-if test -z "$lt_cv_sys_global_symbol_pipe"; then
- lt_cv_sys_global_symbol_to_cdecl=
-fi
-if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: failed" >&5
-$as_echo "failed" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: ok" >&5
-$as_echo "ok" >&6; }
-fi
-
-# Response file support.
-if test "$lt_cv_nm_interface" = "MS dumpbin"; then
- nm_file_list_spec='@'
-elif $NM --help 2>/dev/null | grep '[@]FILE' >/dev/null; then
- nm_file_list_spec='@'
-fi
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for sysroot" >&5
-$as_echo_n "checking for sysroot... " >&6; }
-
-# Check whether --with-sysroot was given.
-if test "${with_sysroot+set}" = set; then :
- withval=$with_sysroot;
-else
- with_sysroot=no
-fi
-
-
-lt_sysroot=
-case $with_sysroot in #(
- yes)
- if test yes = "$GCC"; then
- lt_sysroot=`$CC --print-sysroot 2>/dev/null`
- fi
- ;; #(
- /*)
- lt_sysroot=`echo "$with_sysroot" | sed -e "$sed_quote_subst"`
- ;; #(
- no|'')
- ;; #(
- *)
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_sysroot" >&5
-$as_echo "$with_sysroot" >&6; }
- as_fn_error $? "The sysroot must be an absolute path." "$LINENO" 5
- ;;
-esac
-
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${lt_sysroot:-no}" >&5
-$as_echo "${lt_sysroot:-no}" >&6; }
-
-
-
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a working dd" >&5
-$as_echo_n "checking for a working dd... " >&6; }
-if ${ac_cv_path_lt_DD+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- printf 0123456789abcdef0123456789abcdef >conftest.i
-cat conftest.i conftest.i >conftest2.i
-: ${lt_DD:=$DD}
-if test -z "$lt_DD"; then
- ac_path_lt_DD_found=false
- # Loop through the user's path and test for each of PROGNAME-LIST
- as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_prog in dd; do
- for ac_exec_ext in '' $ac_executable_extensions; do
- ac_path_lt_DD="$as_dir/$ac_prog$ac_exec_ext"
- as_fn_executable_p "$ac_path_lt_DD" || continue
-if "$ac_path_lt_DD" bs=32 count=1 <conftest2.i >conftest.out 2>/dev/null; then
- cmp -s conftest.i conftest.out \
- && ac_cv_path_lt_DD="$ac_path_lt_DD" ac_path_lt_DD_found=:
-fi
- $ac_path_lt_DD_found && break 3
- done
- done
- done
-IFS=$as_save_IFS
- if test -z "$ac_cv_path_lt_DD"; then
- :
- fi
-else
- ac_cv_path_lt_DD=$lt_DD
-fi
-
-rm -f conftest.i conftest2.i conftest.out
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_lt_DD" >&5
-$as_echo "$ac_cv_path_lt_DD" >&6; }
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to truncate binary pipes" >&5
-$as_echo_n "checking how to truncate binary pipes... " >&6; }
-if ${lt_cv_truncate_bin+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- printf 0123456789abcdef0123456789abcdef >conftest.i
-cat conftest.i conftest.i >conftest2.i
-lt_cv_truncate_bin=
-if "$ac_cv_path_lt_DD" bs=32 count=1 <conftest2.i >conftest.out 2>/dev/null; then
- cmp -s conftest.i conftest.out \
- && lt_cv_truncate_bin="$ac_cv_path_lt_DD bs=4096 count=1"
-fi
-rm -f conftest.i conftest2.i conftest.out
-test -z "$lt_cv_truncate_bin" && lt_cv_truncate_bin="$SED -e 4q"
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_truncate_bin" >&5
-$as_echo "$lt_cv_truncate_bin" >&6; }
-
-
-
-
-
-
-
-# Calculate cc_basename. Skip known compiler wrappers and cross-prefix.
-func_cc_basename ()
-{
- for cc_temp in $*""; do
- case $cc_temp in
- compile | *[\\/]compile | ccache | *[\\/]ccache ) ;;
- distcc | *[\\/]distcc | purify | *[\\/]purify ) ;;
- \-*) ;;
- *) break;;
- esac
- done
- func_cc_basename_result=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"`
-}
-
-# Check whether --enable-libtool-lock was given.
-if test "${enable_libtool_lock+set}" = set; then :
- enableval=$enable_libtool_lock;
-fi
-
-test no = "$enable_libtool_lock" || enable_libtool_lock=yes
-
-# Some flags need to be propagated to the compiler or linker for good
-# libtool support.
-case $host in
-ia64-*-hpux*)
- # Find out what ABI is being produced by ac_compile, and set mode
- # options accordingly.
- echo 'int i;' > conftest.$ac_ext
- if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
- (eval $ac_compile) 2>&5
- ac_status=$?
- $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
- test $ac_status = 0; }; then
- case `/usr/bin/file conftest.$ac_objext` in
- *ELF-32*)
- HPUX_IA64_MODE=32
- ;;
- *ELF-64*)
- HPUX_IA64_MODE=64
- ;;
- esac
- fi
- rm -rf conftest*
- ;;
-*-*-irix6*)
- # Find out what ABI is being produced by ac_compile, and set linker
- # options accordingly.
- echo '#line '$LINENO' "configure"' > conftest.$ac_ext
- if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
- (eval $ac_compile) 2>&5
- ac_status=$?
- $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
- test $ac_status = 0; }; then
- if test yes = "$lt_cv_prog_gnu_ld"; then
- case `/usr/bin/file conftest.$ac_objext` in
- *32-bit*)
- LD="${LD-ld} -melf32bsmip"
- ;;
- *N32*)
- LD="${LD-ld} -melf32bmipn32"
- ;;
- *64-bit*)
- LD="${LD-ld} -melf64bmip"
- ;;
- esac
- else
- case `/usr/bin/file conftest.$ac_objext` in
- *32-bit*)
- LD="${LD-ld} -32"
- ;;
- *N32*)
- LD="${LD-ld} -n32"
- ;;
- *64-bit*)
- LD="${LD-ld} -64"
- ;;
- esac
- fi
- fi
- rm -rf conftest*
- ;;
-
-mips64*-*linux*)
- # Find out what ABI is being produced by ac_compile, and set linker
- # options accordingly.
- echo '#line '$LINENO' "configure"' > conftest.$ac_ext
- if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
- (eval $ac_compile) 2>&5
- ac_status=$?
- $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
- test $ac_status = 0; }; then
- emul=elf
- case `/usr/bin/file conftest.$ac_objext` in
- *32-bit*)
- emul="${emul}32"
- ;;
- *64-bit*)
- emul="${emul}64"
- ;;
- esac
- case `/usr/bin/file conftest.$ac_objext` in
- *MSB*)
- emul="${emul}btsmip"
- ;;
- *LSB*)
- emul="${emul}ltsmip"
- ;;
- esac
- case `/usr/bin/file conftest.$ac_objext` in
- *N32*)
- emul="${emul}n32"
- ;;
- esac
- LD="${LD-ld} -m $emul"
- fi
- rm -rf conftest*
- ;;
-
-x86_64-*kfreebsd*-gnu|x86_64-*linux*|powerpc*-*linux*| \
-s390*-*linux*|s390*-*tpf*|sparc*-*linux*)
- # Find out what ABI is being produced by ac_compile, and set linker
- # options accordingly. Note that the listed cases only cover the
- # situations where additional linker options are needed (such as when
- # doing 32-bit compilation for a host where ld defaults to 64-bit, or
- # vice versa); the common cases where no linker options are needed do
- # not appear in the list.
- echo 'int i;' > conftest.$ac_ext
- if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
- (eval $ac_compile) 2>&5
- ac_status=$?
- $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
- test $ac_status = 0; }; then
- case `/usr/bin/file conftest.o` in
- *32-bit*)
- case $host in
- x86_64-*kfreebsd*-gnu)
- LD="${LD-ld} -m elf_i386_fbsd"
- ;;
- x86_64-*linux*)
- case `/usr/bin/file conftest.o` in
- *x86-64*)
- LD="${LD-ld} -m elf32_x86_64"
- ;;
- *)
- LD="${LD-ld} -m elf_i386"
- ;;
- esac
- ;;
- powerpc64le-*linux*)
- LD="${LD-ld} -m elf32lppclinux"
- ;;
- powerpc64-*linux*)
- LD="${LD-ld} -m elf32ppclinux"
- ;;
- s390x-*linux*)
- LD="${LD-ld} -m elf_s390"
- ;;
- sparc64-*linux*)
- LD="${LD-ld} -m elf32_sparc"
- ;;
- esac
- ;;
- *64-bit*)
- case $host in
- x86_64-*kfreebsd*-gnu)
- LD="${LD-ld} -m elf_x86_64_fbsd"
- ;;
- x86_64-*linux*)
- LD="${LD-ld} -m elf_x86_64"
- ;;
- powerpcle-*linux*)
- LD="${LD-ld} -m elf64lppc"
- ;;
- powerpc-*linux*)
- LD="${LD-ld} -m elf64ppc"
- ;;
- s390*-*linux*|s390*-*tpf*)
- LD="${LD-ld} -m elf64_s390"
- ;;
- sparc*-*linux*)
- LD="${LD-ld} -m elf64_sparc"
- ;;
- esac
- ;;
- esac
- fi
- rm -rf conftest*
- ;;
-
-*-*-sco3.2v5*)
- # On SCO OpenServer 5, we need -belf to get full-featured binaries.
- SAVE_CFLAGS=$CFLAGS
- CFLAGS="$CFLAGS -belf"
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler needs -belf" >&5
-$as_echo_n "checking whether the C compiler needs -belf... " >&6; }
-if ${lt_cv_cc_needs_belf+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-
-int
-main ()
-{
-
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
- lt_cv_cc_needs_belf=yes
-else
- lt_cv_cc_needs_belf=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
- conftest$ac_exeext conftest.$ac_ext
- ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_cc_needs_belf" >&5
-$as_echo "$lt_cv_cc_needs_belf" >&6; }
- if test yes != "$lt_cv_cc_needs_belf"; then
- # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
- CFLAGS=$SAVE_CFLAGS
- fi
- ;;
-*-*solaris*)
- # Find out what ABI is being produced by ac_compile, and set linker
- # options accordingly.
- echo 'int i;' > conftest.$ac_ext
- if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
- (eval $ac_compile) 2>&5
- ac_status=$?
- $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
- test $ac_status = 0; }; then
- case `/usr/bin/file conftest.o` in
- *64-bit*)
- case $lt_cv_prog_gnu_ld in
- yes*)
- case $host in
- i?86-*-solaris*|x86_64-*-solaris*)
- LD="${LD-ld} -m elf_x86_64"
- ;;
- sparc*-*-solaris*)
- LD="${LD-ld} -m elf64_sparc"
- ;;
- esac
- # GNU ld 2.21 introduced _sol2 emulations. Use them if available.
- if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then
- LD=${LD-ld}_sol2
- fi
- ;;
- *)
- if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then
- LD="${LD-ld} -64"
- fi
- ;;
- esac
- ;;
- esac
- fi
- rm -rf conftest*
- ;;
-esac
-
-need_locks=$enable_libtool_lock
-
-if test -n "$ac_tool_prefix"; then
- # Extract the first word of "${ac_tool_prefix}mt", so it can be a program name with args.
-set dummy ${ac_tool_prefix}mt; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_MANIFEST_TOOL+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$MANIFEST_TOOL"; then
- ac_cv_prog_MANIFEST_TOOL="$MANIFEST_TOOL" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_prog_MANIFEST_TOOL="${ac_tool_prefix}mt"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
- done
-IFS=$as_save_IFS
-
-fi
-fi
-MANIFEST_TOOL=$ac_cv_prog_MANIFEST_TOOL
-if test -n "$MANIFEST_TOOL"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MANIFEST_TOOL" >&5
-$as_echo "$MANIFEST_TOOL" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-fi
-if test -z "$ac_cv_prog_MANIFEST_TOOL"; then
- ac_ct_MANIFEST_TOOL=$MANIFEST_TOOL
- # Extract the first word of "mt", so it can be a program name with args.
-set dummy mt; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_MANIFEST_TOOL+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$ac_ct_MANIFEST_TOOL"; then
- ac_cv_prog_ac_ct_MANIFEST_TOOL="$ac_ct_MANIFEST_TOOL" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_prog_ac_ct_MANIFEST_TOOL="mt"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
- done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_MANIFEST_TOOL=$ac_cv_prog_ac_ct_MANIFEST_TOOL
-if test -n "$ac_ct_MANIFEST_TOOL"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_MANIFEST_TOOL" >&5
-$as_echo "$ac_ct_MANIFEST_TOOL" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
- if test "x$ac_ct_MANIFEST_TOOL" = x; then
- MANIFEST_TOOL=":"
- else
- case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
- MANIFEST_TOOL=$ac_ct_MANIFEST_TOOL
- fi
-else
- MANIFEST_TOOL="$ac_cv_prog_MANIFEST_TOOL"
-fi
-
-test -z "$MANIFEST_TOOL" && MANIFEST_TOOL=mt
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $MANIFEST_TOOL is a manifest tool" >&5
-$as_echo_n "checking if $MANIFEST_TOOL is a manifest tool... " >&6; }
-if ${lt_cv_path_mainfest_tool+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- lt_cv_path_mainfest_tool=no
- echo "$as_me:$LINENO: $MANIFEST_TOOL '-?'" >&5
- $MANIFEST_TOOL '-?' 2>conftest.err > conftest.out
- cat conftest.err >&5
- if $GREP 'Manifest Tool' conftest.out > /dev/null; then
- lt_cv_path_mainfest_tool=yes
- fi
- rm -f conftest*
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_mainfest_tool" >&5
-$as_echo "$lt_cv_path_mainfest_tool" >&6; }
-if test yes != "$lt_cv_path_mainfest_tool"; then
- MANIFEST_TOOL=:
-fi
-
-
-
-
-
-
- case $host_os in
- rhapsody* | darwin*)
- if test -n "$ac_tool_prefix"; then
- # Extract the first word of "${ac_tool_prefix}dsymutil", so it can be a program name with args.
-set dummy ${ac_tool_prefix}dsymutil; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_DSYMUTIL+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$DSYMUTIL"; then
- ac_cv_prog_DSYMUTIL="$DSYMUTIL" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_prog_DSYMUTIL="${ac_tool_prefix}dsymutil"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
- done
-IFS=$as_save_IFS
-
-fi
-fi
-DSYMUTIL=$ac_cv_prog_DSYMUTIL
-if test -n "$DSYMUTIL"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DSYMUTIL" >&5
-$as_echo "$DSYMUTIL" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-fi
-if test -z "$ac_cv_prog_DSYMUTIL"; then
- ac_ct_DSYMUTIL=$DSYMUTIL
- # Extract the first word of "dsymutil", so it can be a program name with args.
-set dummy dsymutil; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_DSYMUTIL+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$ac_ct_DSYMUTIL"; then
- ac_cv_prog_ac_ct_DSYMUTIL="$ac_ct_DSYMUTIL" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_prog_ac_ct_DSYMUTIL="dsymutil"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
- done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_DSYMUTIL=$ac_cv_prog_ac_ct_DSYMUTIL
-if test -n "$ac_ct_DSYMUTIL"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DSYMUTIL" >&5
-$as_echo "$ac_ct_DSYMUTIL" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
- if test "x$ac_ct_DSYMUTIL" = x; then
- DSYMUTIL=":"
- else
- case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
- DSYMUTIL=$ac_ct_DSYMUTIL
- fi
-else
- DSYMUTIL="$ac_cv_prog_DSYMUTIL"
-fi
-
- if test -n "$ac_tool_prefix"; then
- # Extract the first word of "${ac_tool_prefix}nmedit", so it can be a program name with args.
-set dummy ${ac_tool_prefix}nmedit; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_NMEDIT+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$NMEDIT"; then
- ac_cv_prog_NMEDIT="$NMEDIT" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_prog_NMEDIT="${ac_tool_prefix}nmedit"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
- done
-IFS=$as_save_IFS
-
-fi
-fi
-NMEDIT=$ac_cv_prog_NMEDIT
-if test -n "$NMEDIT"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $NMEDIT" >&5
-$as_echo "$NMEDIT" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-fi
-if test -z "$ac_cv_prog_NMEDIT"; then
- ac_ct_NMEDIT=$NMEDIT
- # Extract the first word of "nmedit", so it can be a program name with args.
-set dummy nmedit; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_NMEDIT+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$ac_ct_NMEDIT"; then
- ac_cv_prog_ac_ct_NMEDIT="$ac_ct_NMEDIT" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_prog_ac_ct_NMEDIT="nmedit"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
- done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_NMEDIT=$ac_cv_prog_ac_ct_NMEDIT
-if test -n "$ac_ct_NMEDIT"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_NMEDIT" >&5
-$as_echo "$ac_ct_NMEDIT" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
- if test "x$ac_ct_NMEDIT" = x; then
- NMEDIT=":"
- else
- case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
- NMEDIT=$ac_ct_NMEDIT
- fi
-else
- NMEDIT="$ac_cv_prog_NMEDIT"
-fi
-
- if test -n "$ac_tool_prefix"; then
- # Extract the first word of "${ac_tool_prefix}lipo", so it can be a program name with args.
-set dummy ${ac_tool_prefix}lipo; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_LIPO+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$LIPO"; then
- ac_cv_prog_LIPO="$LIPO" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_prog_LIPO="${ac_tool_prefix}lipo"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
- done
-IFS=$as_save_IFS
-
-fi
-fi
-LIPO=$ac_cv_prog_LIPO
-if test -n "$LIPO"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LIPO" >&5
-$as_echo "$LIPO" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-fi
-if test -z "$ac_cv_prog_LIPO"; then
- ac_ct_LIPO=$LIPO
- # Extract the first word of "lipo", so it can be a program name with args.
-set dummy lipo; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_LIPO+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$ac_ct_LIPO"; then
- ac_cv_prog_ac_ct_LIPO="$ac_ct_LIPO" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_prog_ac_ct_LIPO="lipo"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
- done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_LIPO=$ac_cv_prog_ac_ct_LIPO
-if test -n "$ac_ct_LIPO"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_LIPO" >&5
-$as_echo "$ac_ct_LIPO" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
- if test "x$ac_ct_LIPO" = x; then
- LIPO=":"
- else
- case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
- LIPO=$ac_ct_LIPO
- fi
-else
- LIPO="$ac_cv_prog_LIPO"
-fi
-
- if test -n "$ac_tool_prefix"; then
- # Extract the first word of "${ac_tool_prefix}otool", so it can be a program name with args.
-set dummy ${ac_tool_prefix}otool; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_OTOOL+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$OTOOL"; then
- ac_cv_prog_OTOOL="$OTOOL" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_prog_OTOOL="${ac_tool_prefix}otool"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
- done
-IFS=$as_save_IFS
-
-fi
-fi
-OTOOL=$ac_cv_prog_OTOOL
-if test -n "$OTOOL"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OTOOL" >&5
-$as_echo "$OTOOL" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-fi
-if test -z "$ac_cv_prog_OTOOL"; then
- ac_ct_OTOOL=$OTOOL
- # Extract the first word of "otool", so it can be a program name with args.
-set dummy otool; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_OTOOL+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$ac_ct_OTOOL"; then
- ac_cv_prog_ac_ct_OTOOL="$ac_ct_OTOOL" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_prog_ac_ct_OTOOL="otool"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
- done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_OTOOL=$ac_cv_prog_ac_ct_OTOOL
-if test -n "$ac_ct_OTOOL"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL" >&5
-$as_echo "$ac_ct_OTOOL" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
- if test "x$ac_ct_OTOOL" = x; then
- OTOOL=":"
- else
- case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
- OTOOL=$ac_ct_OTOOL
- fi
-else
- OTOOL="$ac_cv_prog_OTOOL"
-fi
-
- if test -n "$ac_tool_prefix"; then
- # Extract the first word of "${ac_tool_prefix}otool64", so it can be a program name with args.
-set dummy ${ac_tool_prefix}otool64; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_OTOOL64+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$OTOOL64"; then
- ac_cv_prog_OTOOL64="$OTOOL64" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_prog_OTOOL64="${ac_tool_prefix}otool64"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
- done
-IFS=$as_save_IFS
-
-fi
-fi
-OTOOL64=$ac_cv_prog_OTOOL64
-if test -n "$OTOOL64"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OTOOL64" >&5
-$as_echo "$OTOOL64" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-fi
-if test -z "$ac_cv_prog_OTOOL64"; then
- ac_ct_OTOOL64=$OTOOL64
- # Extract the first word of "otool64", so it can be a program name with args.
-set dummy otool64; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_OTOOL64+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$ac_ct_OTOOL64"; then
- ac_cv_prog_ac_ct_OTOOL64="$ac_ct_OTOOL64" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_prog_ac_ct_OTOOL64="otool64"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
- done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_OTOOL64=$ac_cv_prog_ac_ct_OTOOL64
-if test -n "$ac_ct_OTOOL64"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL64" >&5
-$as_echo "$ac_ct_OTOOL64" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
- if test "x$ac_ct_OTOOL64" = x; then
- OTOOL64=":"
- else
- case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
- OTOOL64=$ac_ct_OTOOL64
- fi
-else
- OTOOL64="$ac_cv_prog_OTOOL64"
-fi
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -single_module linker flag" >&5
-$as_echo_n "checking for -single_module linker flag... " >&6; }
-if ${lt_cv_apple_cc_single_mod+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- lt_cv_apple_cc_single_mod=no
- if test -z "$LT_MULTI_MODULE"; then
- # By default we will add the -single_module flag. You can override
- # by either setting the environment variable LT_MULTI_MODULE
- # non-empty at configure time, or by adding -multi_module to the
- # link flags.
- rm -rf libconftest.dylib*
- echo "int foo(void){return 1;}" > conftest.c
- echo "$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \
--dynamiclib -Wl,-single_module conftest.c" >&5
- $LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \
- -dynamiclib -Wl,-single_module conftest.c 2>conftest.err
- _lt_result=$?
- # If there is a non-empty error log, and "single_module"
- # appears in it, assume the flag caused a linker warning
- if test -s conftest.err && $GREP single_module conftest.err; then
- cat conftest.err >&5
- # Otherwise, if the output was created with a 0 exit code from
- # the compiler, it worked.
- elif test -f libconftest.dylib && test 0 = "$_lt_result"; then
- lt_cv_apple_cc_single_mod=yes
- else
- cat conftest.err >&5
- fi
- rm -rf libconftest.dylib*
- rm -f conftest.*
- fi
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_apple_cc_single_mod" >&5
-$as_echo "$lt_cv_apple_cc_single_mod" >&6; }
-
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -exported_symbols_list linker flag" >&5
-$as_echo_n "checking for -exported_symbols_list linker flag... " >&6; }
-if ${lt_cv_ld_exported_symbols_list+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- lt_cv_ld_exported_symbols_list=no
- save_LDFLAGS=$LDFLAGS
- echo "_main" > conftest.sym
- LDFLAGS="$LDFLAGS -Wl,-exported_symbols_list,conftest.sym"
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-
-int
-main ()
-{
-
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
- lt_cv_ld_exported_symbols_list=yes
-else
- lt_cv_ld_exported_symbols_list=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
- conftest$ac_exeext conftest.$ac_ext
- LDFLAGS=$save_LDFLAGS
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_exported_symbols_list" >&5
-$as_echo "$lt_cv_ld_exported_symbols_list" >&6; }
-
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -force_load linker flag" >&5
-$as_echo_n "checking for -force_load linker flag... " >&6; }
-if ${lt_cv_ld_force_load+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- lt_cv_ld_force_load=no
- cat > conftest.c << _LT_EOF
-int forced_loaded() { return 2;}
-_LT_EOF
- echo "$LTCC $LTCFLAGS -c -o conftest.o conftest.c" >&5
- $LTCC $LTCFLAGS -c -o conftest.o conftest.c 2>&5
- echo "$AR cru libconftest.a conftest.o" >&5
- $AR cru libconftest.a conftest.o 2>&5
- echo "$RANLIB libconftest.a" >&5
- $RANLIB libconftest.a 2>&5
- cat > conftest.c << _LT_EOF
-int main() { return 0;}
-_LT_EOF
- echo "$LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a" >&5
- $LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a 2>conftest.err
- _lt_result=$?
- if test -s conftest.err && $GREP force_load conftest.err; then
- cat conftest.err >&5
- elif test -f conftest && test 0 = "$_lt_result" && $GREP forced_load conftest >/dev/null 2>&1; then
- lt_cv_ld_force_load=yes
- else
- cat conftest.err >&5
- fi
- rm -f conftest.err libconftest.a conftest conftest.c
- rm -rf conftest.dSYM
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_force_load" >&5
-$as_echo "$lt_cv_ld_force_load" >&6; }
- case $host_os in
- rhapsody* | darwin1.[012])
- _lt_dar_allow_undefined='$wl-undefined ${wl}suppress' ;;
- darwin1.*)
- _lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;;
- darwin*) # darwin 5.x on
- # if running on 10.5 or later, the deployment target defaults
- # to the OS version, if on x86, and 10.4, the deployment
- # target defaults to 10.4. Don't you love it?
- case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in
- 10.0,*86*-darwin8*|10.0,*-darwin[91]*)
- _lt_dar_allow_undefined='$wl-undefined ${wl}dynamic_lookup' ;;
- 10.[012][,.]*)
- _lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;;
- 10.*)
- _lt_dar_allow_undefined='$wl-undefined ${wl}dynamic_lookup' ;;
- esac
- ;;
- esac
- if test yes = "$lt_cv_apple_cc_single_mod"; then
- _lt_dar_single_mod='$single_module'
- fi
- if test yes = "$lt_cv_ld_exported_symbols_list"; then
- _lt_dar_export_syms=' $wl-exported_symbols_list,$output_objdir/$libname-symbols.expsym'
- else
- _lt_dar_export_syms='~$NMEDIT -s $output_objdir/$libname-symbols.expsym $lib'
- fi
- if test : != "$DSYMUTIL" && test no = "$lt_cv_ld_force_load"; then
- _lt_dsymutil='~$DSYMUTIL $lib || :'
- else
- _lt_dsymutil=
- fi
- ;;
- esac
-
-# func_munge_path_list VARIABLE PATH
-# -----------------------------------
-# VARIABLE is name of variable containing _space_ separated list of
-# directories to be munged by the contents of PATH, which is string
-# having a format:
-# "DIR[:DIR]:"
-# string "DIR[ DIR]" will be prepended to VARIABLE
-# ":DIR[:DIR]"
-# string "DIR[ DIR]" will be appended to VARIABLE
-# "DIRP[:DIRP]::[DIRA:]DIRA"
-# string "DIRP[ DIRP]" will be prepended to VARIABLE and string
-# "DIRA[ DIRA]" will be appended to VARIABLE
-# "DIR[:DIR]"
-# VARIABLE will be replaced by "DIR[ DIR]"
-func_munge_path_list ()
-{
- case x$2 in
- x)
- ;;
- *:)
- eval $1=\"`$ECHO $2 | $SED 's/:/ /g'` \$$1\"
- ;;
- x:*)
- eval $1=\"\$$1 `$ECHO $2 | $SED 's/:/ /g'`\"
- ;;
- *::*)
- eval $1=\"\$$1\ `$ECHO $2 | $SED -e 's/.*:://' -e 's/:/ /g'`\"
- eval $1=\"`$ECHO $2 | $SED -e 's/::.*//' -e 's/:/ /g'`\ \$$1\"
- ;;
- *)
- eval $1=\"`$ECHO $2 | $SED 's/:/ /g'`\"
- ;;
- esac
-}
-
-ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5
-$as_echo_n "checking how to run the C preprocessor... " >&6; }
-# On Suns, sometimes $CPP names a directory.
-if test -n "$CPP" && test -d "$CPP"; then
- CPP=
-fi
-if test -z "$CPP"; then
- if ${ac_cv_prog_CPP+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- # Double quotes because CPP needs to be expanded
- for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp"
- do
- ac_preproc_ok=false
-for ac_c_preproc_warn_flag in '' yes
-do
- # Use a header file that comes with gcc, so configuring glibc
- # with a fresh cross-compiler works.
- # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
- # <limits.h> exists even on freestanding compilers.
- # On the NeXT, cc -E runs the code through the compiler's parser,
- # not just through cpp. "Syntax error" is here to catch this case.
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
- Syntax error
-_ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
-
-else
- # Broken: fails on valid input.
-continue
-fi
-rm -f conftest.err conftest.i conftest.$ac_ext
-
- # OK, works on sane cases. Now check whether nonexistent headers
- # can be detected and how.
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#include <ac_nonexistent.h>
-_ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
- # Broken: success on invalid input.
-continue
-else
- # Passes both tests.
-ac_preproc_ok=:
-break
-fi
-rm -f conftest.err conftest.i conftest.$ac_ext
-
-done
-# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-rm -f conftest.i conftest.err conftest.$ac_ext
-if $ac_preproc_ok; then :
- break
-fi
-
- done
- ac_cv_prog_CPP=$CPP
-
-fi
- CPP=$ac_cv_prog_CPP
-else
- ac_cv_prog_CPP=$CPP
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5
-$as_echo "$CPP" >&6; }
-ac_preproc_ok=false
-for ac_c_preproc_warn_flag in '' yes
-do
- # Use a header file that comes with gcc, so configuring glibc
- # with a fresh cross-compiler works.
- # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
- # <limits.h> exists even on freestanding compilers.
- # On the NeXT, cc -E runs the code through the compiler's parser,
- # not just through cpp. "Syntax error" is here to catch this case.
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
- Syntax error
-_ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
-
-else
- # Broken: fails on valid input.
-continue
-fi
-rm -f conftest.err conftest.i conftest.$ac_ext
-
- # OK, works on sane cases. Now check whether nonexistent headers
- # can be detected and how.
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#include <ac_nonexistent.h>
-_ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
- # Broken: success on invalid input.
-continue
-else
- # Passes both tests.
-ac_preproc_ok=:
-break
-fi
-rm -f conftest.err conftest.i conftest.$ac_ext
-
-done
-# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-rm -f conftest.i conftest.err conftest.$ac_ext
-if $ac_preproc_ok; then :
-
-else
- { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error $? "C preprocessor \"$CPP\" fails sanity check
-See \`config.log' for more details" "$LINENO" 5; }
-fi
-
-ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
-$as_echo_n "checking for ANSI C header files... " >&6; }
-if ${ac_cv_header_stdc+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#include <stdlib.h>
-#include <stdarg.h>
-#include <string.h>
-#include <float.h>
-
-int
-main ()
-{
-
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
- ac_cv_header_stdc=yes
-else
- ac_cv_header_stdc=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-
-if test $ac_cv_header_stdc = yes; then
- # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#include <string.h>
-
-_ACEOF
-if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
- $EGREP "memchr" >/dev/null 2>&1; then :
-
-else
- ac_cv_header_stdc=no
-fi
-rm -f conftest*
-
-fi
-
-if test $ac_cv_header_stdc = yes; then
- # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#include <stdlib.h>
-
-_ACEOF
-if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
- $EGREP "free" >/dev/null 2>&1; then :
-
-else
- ac_cv_header_stdc=no
-fi
-rm -f conftest*
-
-fi
-
-if test $ac_cv_header_stdc = yes; then
- # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
- if test "$cross_compiling" = yes; then :
- :
-else
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#include <ctype.h>
-#include <stdlib.h>
-#if ((' ' & 0x0FF) == 0x020)
-# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
-# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
-#else
-# define ISLOWER(c) \
- (('a' <= (c) && (c) <= 'i') \
- || ('j' <= (c) && (c) <= 'r') \
- || ('s' <= (c) && (c) <= 'z'))
-# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
-#endif
-
-#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
-int
-main ()
-{
- int i;
- for (i = 0; i < 256; i++)
- if (XOR (islower (i), ISLOWER (i))
- || toupper (i) != TOUPPER (i))
- return 2;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_run "$LINENO"; then :
-
-else
- ac_cv_header_stdc=no
-fi
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
- conftest.$ac_objext conftest.beam conftest.$ac_ext
-fi
-
-fi
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5
-$as_echo "$ac_cv_header_stdc" >&6; }
-if test $ac_cv_header_stdc = yes; then
-
-$as_echo "#define STDC_HEADERS 1" >>confdefs.h
-
-fi
-
-# On IRIX 5.3, sys/types and inttypes.h are conflicting.
-for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \
- inttypes.h stdint.h unistd.h
-do :
- as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
-ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default
-"
-if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
- cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
-_ACEOF
-
-fi
-
-done
-
-
-for ac_header in dlfcn.h
-do :
- ac_fn_c_check_header_compile "$LINENO" "dlfcn.h" "ac_cv_header_dlfcn_h" "$ac_includes_default
-"
-if test "x$ac_cv_header_dlfcn_h" = xyes; then :
- cat >>confdefs.h <<_ACEOF
-#define HAVE_DLFCN_H 1
-_ACEOF
-
-fi
-
-done
-
-
-
-
-
-# Set options
-enable_win32_dll=yes
-
-case $host in
-*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-cegcc*)
- if test -n "$ac_tool_prefix"; then
- # Extract the first word of "${ac_tool_prefix}as", so it can be a program name with args.
-set dummy ${ac_tool_prefix}as; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_AS+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$AS"; then
- ac_cv_prog_AS="$AS" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_prog_AS="${ac_tool_prefix}as"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
- done
-IFS=$as_save_IFS
-
-fi
-fi
-AS=$ac_cv_prog_AS
-if test -n "$AS"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AS" >&5
-$as_echo "$AS" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-fi
-if test -z "$ac_cv_prog_AS"; then
- ac_ct_AS=$AS
- # Extract the first word of "as", so it can be a program name with args.
-set dummy as; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_AS+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$ac_ct_AS"; then
- ac_cv_prog_ac_ct_AS="$ac_ct_AS" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_prog_ac_ct_AS="as"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
- done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_AS=$ac_cv_prog_ac_ct_AS
-if test -n "$ac_ct_AS"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AS" >&5
-$as_echo "$ac_ct_AS" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
- if test "x$ac_ct_AS" = x; then
- AS="false"
- else
- case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
- AS=$ac_ct_AS
- fi
-else
- AS="$ac_cv_prog_AS"
-fi
-
- if test -n "$ac_tool_prefix"; then
- # Extract the first word of "${ac_tool_prefix}dlltool", so it can be a program name with args.
-set dummy ${ac_tool_prefix}dlltool; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_DLLTOOL+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$DLLTOOL"; then
- ac_cv_prog_DLLTOOL="$DLLTOOL" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_prog_DLLTOOL="${ac_tool_prefix}dlltool"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
- done
-IFS=$as_save_IFS
-
-fi
-fi
-DLLTOOL=$ac_cv_prog_DLLTOOL
-if test -n "$DLLTOOL"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DLLTOOL" >&5
-$as_echo "$DLLTOOL" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-fi
-if test -z "$ac_cv_prog_DLLTOOL"; then
- ac_ct_DLLTOOL=$DLLTOOL
- # Extract the first word of "dlltool", so it can be a program name with args.
-set dummy dlltool; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_DLLTOOL+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$ac_ct_DLLTOOL"; then
- ac_cv_prog_ac_ct_DLLTOOL="$ac_ct_DLLTOOL" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_prog_ac_ct_DLLTOOL="dlltool"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
- done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_DLLTOOL=$ac_cv_prog_ac_ct_DLLTOOL
-if test -n "$ac_ct_DLLTOOL"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DLLTOOL" >&5
-$as_echo "$ac_ct_DLLTOOL" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
- if test "x$ac_ct_DLLTOOL" = x; then
- DLLTOOL="false"
- else
- case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
- DLLTOOL=$ac_ct_DLLTOOL
- fi
-else
- DLLTOOL="$ac_cv_prog_DLLTOOL"
-fi
-
- if test -n "$ac_tool_prefix"; then
- # Extract the first word of "${ac_tool_prefix}objdump", so it can be a program name with args.
-set dummy ${ac_tool_prefix}objdump; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_OBJDUMP+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$OBJDUMP"; then
- ac_cv_prog_OBJDUMP="$OBJDUMP" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_prog_OBJDUMP="${ac_tool_prefix}objdump"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
- done
-IFS=$as_save_IFS
-
-fi
-fi
-OBJDUMP=$ac_cv_prog_OBJDUMP
-if test -n "$OBJDUMP"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OBJDUMP" >&5
-$as_echo "$OBJDUMP" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-fi
-if test -z "$ac_cv_prog_OBJDUMP"; then
- ac_ct_OBJDUMP=$OBJDUMP
- # Extract the first word of "objdump", so it can be a program name with args.
-set dummy objdump; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_OBJDUMP+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$ac_ct_OBJDUMP"; then
- ac_cv_prog_ac_ct_OBJDUMP="$ac_ct_OBJDUMP" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_prog_ac_ct_OBJDUMP="objdump"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
- done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_OBJDUMP=$ac_cv_prog_ac_ct_OBJDUMP
-if test -n "$ac_ct_OBJDUMP"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OBJDUMP" >&5
-$as_echo "$ac_ct_OBJDUMP" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
- if test "x$ac_ct_OBJDUMP" = x; then
- OBJDUMP="false"
- else
- case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
- OBJDUMP=$ac_ct_OBJDUMP
- fi
-else
- OBJDUMP="$ac_cv_prog_OBJDUMP"
-fi
-
- ;;
-esac
-
-test -z "$AS" && AS=as
-
-
-
-
-
-test -z "$DLLTOOL" && DLLTOOL=dlltool
-
-
-
-
-
-test -z "$OBJDUMP" && OBJDUMP=objdump
-
-
-
-
-
-
-
- enable_dlopen=no
-
-
-
- # Check whether --enable-shared was given.
-if test "${enable_shared+set}" = set; then :
- enableval=$enable_shared; p=${PACKAGE-default}
- case $enableval in
- yes) enable_shared=yes ;;
- no) enable_shared=no ;;
- *)
- enable_shared=no
- # Look at the argument we got. We use all the common list separators.
- lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
- for pkg in $enableval; do
- IFS=$lt_save_ifs
- if test "X$pkg" = "X$p"; then
- enable_shared=yes
- fi
- done
- IFS=$lt_save_ifs
- ;;
- esac
-else
- enable_shared=yes
-fi
-
-
-
-
-
-
-
-
-
- # Check whether --enable-static was given.
-if test "${enable_static+set}" = set; then :
- enableval=$enable_static; p=${PACKAGE-default}
- case $enableval in
- yes) enable_static=yes ;;
- no) enable_static=no ;;
- *)
- enable_static=no
- # Look at the argument we got. We use all the common list separators.
- lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
- for pkg in $enableval; do
- IFS=$lt_save_ifs
- if test "X$pkg" = "X$p"; then
- enable_static=yes
- fi
- done
- IFS=$lt_save_ifs
- ;;
- esac
-else
- enable_static=yes
-fi
-
-
-
-
-
-
-
-
-
-
-# Check whether --with-pic was given.
-if test "${with_pic+set}" = set; then :
- withval=$with_pic; lt_p=${PACKAGE-default}
- case $withval in
- yes|no) pic_mode=$withval ;;
- *)
- pic_mode=default
- # Look at the argument we got. We use all the common list separators.
- lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
- for lt_pkg in $withval; do
- IFS=$lt_save_ifs
- if test "X$lt_pkg" = "X$lt_p"; then
- pic_mode=yes
- fi
- done
- IFS=$lt_save_ifs
- ;;
- esac
-else
- pic_mode=default
-fi
-
-
-
-
-
-
-
-
- # Check whether --enable-fast-install was given.
-if test "${enable_fast_install+set}" = set; then :
- enableval=$enable_fast_install; p=${PACKAGE-default}
- case $enableval in
- yes) enable_fast_install=yes ;;
- no) enable_fast_install=no ;;
- *)
- enable_fast_install=no
- # Look at the argument we got. We use all the common list separators.
- lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
- for pkg in $enableval; do
- IFS=$lt_save_ifs
- if test "X$pkg" = "X$p"; then
- enable_fast_install=yes
- fi
- done
- IFS=$lt_save_ifs
- ;;
- esac
-else
- enable_fast_install=yes
-fi
-
-
-
-
-
-
-
-
- shared_archive_member_spec=
-case $host,$enable_shared in
-power*-*-aix[5-9]*,yes)
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking which variant of shared library versioning to provide" >&5
-$as_echo_n "checking which variant of shared library versioning to provide... " >&6; }
-
-# Check whether --with-aix-soname was given.
-if test "${with_aix_soname+set}" = set; then :
- withval=$with_aix_soname; case $withval in
- aix|svr4|both)
- ;;
- *)
- as_fn_error $? "Unknown argument to --with-aix-soname" "$LINENO" 5
- ;;
- esac
- lt_cv_with_aix_soname=$with_aix_soname
-else
- if ${lt_cv_with_aix_soname+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- lt_cv_with_aix_soname=aix
-fi
-
- with_aix_soname=$lt_cv_with_aix_soname
-fi
-
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_aix_soname" >&5
-$as_echo "$with_aix_soname" >&6; }
- if test aix != "$with_aix_soname"; then
- # For the AIX way of multilib, we name the shared archive member
- # based on the bitwidth used, traditionally 'shr.o' or 'shr_64.o',
- # and 'shr.imp' or 'shr_64.imp', respectively, for the Import File.
- # Even when GNU compilers ignore OBJECT_MODE but need '-maix64' flag,
- # the AIX toolchain works better with OBJECT_MODE set (default 32).
- if test 64 = "${OBJECT_MODE-32}"; then
- shared_archive_member_spec=shr_64
- else
- shared_archive_member_spec=shr
- fi
- fi
- ;;
-*)
- with_aix_soname=aix
- ;;
-esac
-
-
-
-
-
-
-
-
-
-
-# This can be used to rebuild libtool when needed
-LIBTOOL_DEPS=$ltmain
-
-# Always use our own libtool.
-LIBTOOL='$(SHELL) $(top_builddir)/libtool'
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-test -z "$LN_S" && LN_S="ln -s"
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-if test -n "${ZSH_VERSION+set}"; then
- setopt NO_GLOB_SUBST
-fi
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for objdir" >&5
-$as_echo_n "checking for objdir... " >&6; }
-if ${lt_cv_objdir+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- rm -f .libs 2>/dev/null
-mkdir .libs 2>/dev/null
-if test -d .libs; then
- lt_cv_objdir=.libs
-else
- # MS-DOS does not allow filenames that begin with a dot.
- lt_cv_objdir=_libs
-fi
-rmdir .libs 2>/dev/null
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_objdir" >&5
-$as_echo "$lt_cv_objdir" >&6; }
-objdir=$lt_cv_objdir
-
-
-
-
-
-cat >>confdefs.h <<_ACEOF
-#define LT_OBJDIR "$lt_cv_objdir/"
-_ACEOF
-
-
-
-
-case $host_os in
-aix3*)
- # AIX sometimes has problems with the GCC collect2 program. For some
- # reason, if we set the COLLECT_NAMES environment variable, the problems
- # vanish in a puff of smoke.
- if test set != "${COLLECT_NAMES+set}"; then
- COLLECT_NAMES=
- export COLLECT_NAMES
- fi
- ;;
-esac
-
-# Global variables:
-ofile=libtool
-can_build_shared=yes
-
-# All known linkers require a '.a' archive for static linking (except MSVC,
-# which needs '.lib').
-libext=a
-
-with_gnu_ld=$lt_cv_prog_gnu_ld
-
-old_CC=$CC
-old_CFLAGS=$CFLAGS
-
-# Set sane defaults for various variables
-test -z "$CC" && CC=cc
-test -z "$LTCC" && LTCC=$CC
-test -z "$LTCFLAGS" && LTCFLAGS=$CFLAGS
-test -z "$LD" && LD=ld
-test -z "$ac_objext" && ac_objext=o
-
-func_cc_basename $compiler
-cc_basename=$func_cc_basename_result
-
-
-# Only perform the check for file, if the check method requires it
-test -z "$MAGIC_CMD" && MAGIC_CMD=file
-case $deplibs_check_method in
-file_magic*)
- if test "$file_magic_cmd" = '$MAGIC_CMD'; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ${ac_tool_prefix}file" >&5
-$as_echo_n "checking for ${ac_tool_prefix}file... " >&6; }
-if ${lt_cv_path_MAGIC_CMD+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- case $MAGIC_CMD in
-[\\/*] | ?:[\\/]*)
- lt_cv_path_MAGIC_CMD=$MAGIC_CMD # Let the user override the test with a path.
- ;;
-*)
- lt_save_MAGIC_CMD=$MAGIC_CMD
- lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR
- ac_dummy="/usr/bin$PATH_SEPARATOR$PATH"
- for ac_dir in $ac_dummy; do
- IFS=$lt_save_ifs
- test -z "$ac_dir" && ac_dir=.
- if test -f "$ac_dir/${ac_tool_prefix}file"; then
- lt_cv_path_MAGIC_CMD=$ac_dir/"${ac_tool_prefix}file"
- if test -n "$file_magic_test_file"; then
- case $deplibs_check_method in
- "file_magic "*)
- file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"`
- MAGIC_CMD=$lt_cv_path_MAGIC_CMD
- if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
- $EGREP "$file_magic_regex" > /dev/null; then
- :
- else
- cat <<_LT_EOF 1>&2
-
-*** Warning: the command libtool uses to detect shared libraries,
-*** $file_magic_cmd, produces output that libtool cannot recognize.
-*** The result is that libtool may fail to recognize shared libraries
-*** as such. This will affect the creation of libtool libraries that
-*** depend on shared libraries, but programs linked with such libtool
-*** libraries will work regardless of this problem. Nevertheless, you
-*** may want to report the problem to your system manager and/or to
-*** bug-libtool@gnu.org
-
-_LT_EOF
- fi ;;
- esac
- fi
- break
- fi
- done
- IFS=$lt_save_ifs
- MAGIC_CMD=$lt_save_MAGIC_CMD
- ;;
-esac
-fi
-
-MAGIC_CMD=$lt_cv_path_MAGIC_CMD
-if test -n "$MAGIC_CMD"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MAGIC_CMD" >&5
-$as_echo "$MAGIC_CMD" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-
-
-
-if test -z "$lt_cv_path_MAGIC_CMD"; then
- if test -n "$ac_tool_prefix"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for file" >&5
-$as_echo_n "checking for file... " >&6; }
-if ${lt_cv_path_MAGIC_CMD+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- case $MAGIC_CMD in
-[\\/*] | ?:[\\/]*)
- lt_cv_path_MAGIC_CMD=$MAGIC_CMD # Let the user override the test with a path.
- ;;
-*)
- lt_save_MAGIC_CMD=$MAGIC_CMD
- lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR
- ac_dummy="/usr/bin$PATH_SEPARATOR$PATH"
- for ac_dir in $ac_dummy; do
- IFS=$lt_save_ifs
- test -z "$ac_dir" && ac_dir=.
- if test -f "$ac_dir/file"; then
- lt_cv_path_MAGIC_CMD=$ac_dir/"file"
- if test -n "$file_magic_test_file"; then
- case $deplibs_check_method in
- "file_magic "*)
- file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"`
- MAGIC_CMD=$lt_cv_path_MAGIC_CMD
- if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
- $EGREP "$file_magic_regex" > /dev/null; then
- :
- else
- cat <<_LT_EOF 1>&2
-
-*** Warning: the command libtool uses to detect shared libraries,
-*** $file_magic_cmd, produces output that libtool cannot recognize.
-*** The result is that libtool may fail to recognize shared libraries
-*** as such. This will affect the creation of libtool libraries that
-*** depend on shared libraries, but programs linked with such libtool
-*** libraries will work regardless of this problem. Nevertheless, you
-*** may want to report the problem to your system manager and/or to
-*** bug-libtool@gnu.org
-
-_LT_EOF
- fi ;;
- esac
- fi
- break
- fi
- done
- IFS=$lt_save_ifs
- MAGIC_CMD=$lt_save_MAGIC_CMD
- ;;
-esac
-fi
-
-MAGIC_CMD=$lt_cv_path_MAGIC_CMD
-if test -n "$MAGIC_CMD"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MAGIC_CMD" >&5
-$as_echo "$MAGIC_CMD" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
- else
- MAGIC_CMD=:
- fi
-fi
-
- fi
- ;;
-esac
-
-# Use C for the default configuration in the libtool script
-
-lt_save_CC=$CC
-ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-
-
-# Source file extension for C test sources.
-ac_ext=c
-
-# Object file extension for compiled C test sources.
-objext=o
-objext=$objext
-
-# Code to be used in simple compile tests
-lt_simple_compile_test_code="int some_variable = 0;"
-
-# Code to be used in simple link tests
-lt_simple_link_test_code='int main(){return(0);}'
-
-
-
-
-
-
-
-# If no C compiler was specified, use CC.
-LTCC=${LTCC-"$CC"}
-
-# If no C compiler flags were specified, use CFLAGS.
-LTCFLAGS=${LTCFLAGS-"$CFLAGS"}
-
-# Allow CC to be a program name with arguments.
-compiler=$CC
-
-# Save the default compiler, since it gets overwritten when the other
-# tags are being tested, and _LT_TAGVAR(compiler, []) is a NOP.
-compiler_DEFAULT=$CC
-
-# save warnings/boilerplate of simple test code
-ac_outfile=conftest.$ac_objext
-echo "$lt_simple_compile_test_code" >conftest.$ac_ext
-eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
-_lt_compiler_boilerplate=`cat conftest.err`
-$RM conftest*
-
-ac_outfile=conftest.$ac_objext
-echo "$lt_simple_link_test_code" >conftest.$ac_ext
-eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
-_lt_linker_boilerplate=`cat conftest.err`
-$RM -r conftest*
-
-
-## CAVEAT EMPTOR:
-## There is no encapsulation within the following macros, do not change
-## the running order or otherwise move them around unless you know exactly
-## what you are doing...
-if test -n "$compiler"; then
-
-lt_prog_compiler_no_builtin_flag=
-
-if test yes = "$GCC"; then
- case $cc_basename in
- nvcc*)
- lt_prog_compiler_no_builtin_flag=' -Xcompiler -fno-builtin' ;;
- *)
- lt_prog_compiler_no_builtin_flag=' -fno-builtin' ;;
- esac
-
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -fno-rtti -fno-exceptions" >&5
-$as_echo_n "checking if $compiler supports -fno-rtti -fno-exceptions... " >&6; }
-if ${lt_cv_prog_compiler_rtti_exceptions+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- lt_cv_prog_compiler_rtti_exceptions=no
- ac_outfile=conftest.$ac_objext
- echo "$lt_simple_compile_test_code" > conftest.$ac_ext
- lt_compiler_flag="-fno-rtti -fno-exceptions" ## exclude from sc_useless_quotes_in_assignment
- # Insert the option either (1) after the last *FLAGS variable, or
- # (2) before a word containing "conftest.", or (3) at the end.
- # Note that $ac_compile itself does not contain backslashes and begins
- # with a dollar sign (not a hyphen), so the echo should work correctly.
- # The option is referenced via a variable to avoid confusing sed.
- lt_compile=`echo "$ac_compile" | $SED \
- -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
- -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
- -e 's:$: $lt_compiler_flag:'`
- (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5)
- (eval "$lt_compile" 2>conftest.err)
- ac_status=$?
- cat conftest.err >&5
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- if (exit $ac_status) && test -s "$ac_outfile"; then
- # The compiler can only warn and ignore the option if not recognized
- # So say no if there are warnings other than the usual output.
- $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp
- $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
- if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then
- lt_cv_prog_compiler_rtti_exceptions=yes
- fi
- fi
- $RM conftest*
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_rtti_exceptions" >&5
-$as_echo "$lt_cv_prog_compiler_rtti_exceptions" >&6; }
-
-if test yes = "$lt_cv_prog_compiler_rtti_exceptions"; then
- lt_prog_compiler_no_builtin_flag="$lt_prog_compiler_no_builtin_flag -fno-rtti -fno-exceptions"
-else
- :
-fi
-
-fi
-
-
-
-
-
-
- lt_prog_compiler_wl=
-lt_prog_compiler_pic=
-lt_prog_compiler_static=
-
-
- if test yes = "$GCC"; then
- lt_prog_compiler_wl='-Wl,'
- lt_prog_compiler_static='-static'
-
- case $host_os in
- aix*)
- # All AIX code is PIC.
- if test ia64 = "$host_cpu"; then
- # AIX 5 now supports IA64 processor
- lt_prog_compiler_static='-Bstatic'
- fi
- lt_prog_compiler_pic='-fPIC'
- ;;
-
- amigaos*)
- case $host_cpu in
- powerpc)
- # see comment about AmigaOS4 .so support
- lt_prog_compiler_pic='-fPIC'
- ;;
- m68k)
- # FIXME: we need at least 68020 code to build shared libraries, but
- # adding the '-m68020' flag to GCC prevents building anything better,
- # like '-m68040'.
- lt_prog_compiler_pic='-m68020 -resident32 -malways-restore-a4'
- ;;
- esac
- ;;
-
- beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*)
- # PIC is the default for these OSes.
- ;;
-
- mingw* | cygwin* | pw32* | os2* | cegcc*)
- # This hack is so that the source file can tell whether it is being
- # built for inclusion in a dll (and should export symbols for example).
- # Although the cygwin gcc ignores -fPIC, still need this for old-style
- # (--disable-auto-import) libraries
- lt_prog_compiler_pic='-DDLL_EXPORT'
- case $host_os in
- os2*)
- lt_prog_compiler_static='$wl-static'
- ;;
- esac
- ;;
-
- darwin* | rhapsody*)
- # PIC is the default on this platform
- # Common symbols not allowed in MH_DYLIB files
- lt_prog_compiler_pic='-fno-common'
- ;;
-
- haiku*)
- # PIC is the default for Haiku.
- # The "-static" flag exists, but is broken.
- lt_prog_compiler_static=
- ;;
-
- hpux*)
- # PIC is the default for 64-bit PA HP-UX, but not for 32-bit
- # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag
- # sets the default TLS model and affects inlining.
- case $host_cpu in
- hppa*64*)
- # +Z the default
- ;;
- *)
- lt_prog_compiler_pic='-fPIC'
- ;;
- esac
- ;;
-
- interix[3-9]*)
- # Interix 3.x gcc -fpic/-fPIC options generate broken code.
- # Instead, we relocate shared libraries at runtime.
- ;;
-
- msdosdjgpp*)
- # Just because we use GCC doesn't mean we suddenly get shared libraries
- # on systems that don't support them.
- lt_prog_compiler_can_build_shared=no
- enable_shared=no
- ;;
-
- *nto* | *qnx*)
- # QNX uses GNU C++, but need to define -shared option too, otherwise
- # it will coredump.
- lt_prog_compiler_pic='-fPIC -shared'
- ;;
-
- sysv4*MP*)
- if test -d /usr/nec; then
- lt_prog_compiler_pic=-Kconform_pic
- fi
- ;;
-
- *)
- lt_prog_compiler_pic='-fPIC'
- ;;
- esac
-
- case $cc_basename in
- nvcc*) # Cuda Compiler Driver 2.2
- lt_prog_compiler_wl='-Xlinker '
- if test -n "$lt_prog_compiler_pic"; then
- lt_prog_compiler_pic="-Xcompiler $lt_prog_compiler_pic"
- fi
- ;;
- esac
- else
- # PORTME Check for flag to pass linker flags through the system compiler.
- case $host_os in
- aix*)
- lt_prog_compiler_wl='-Wl,'
- if test ia64 = "$host_cpu"; then
- # AIX 5 now supports IA64 processor
- lt_prog_compiler_static='-Bstatic'
- else
- lt_prog_compiler_static='-bnso -bI:/lib/syscalls.exp'
- fi
- ;;
-
- darwin* | rhapsody*)
- # PIC is the default on this platform
- # Common symbols not allowed in MH_DYLIB files
- lt_prog_compiler_pic='-fno-common'
- case $cc_basename in
- nagfor*)
- # NAG Fortran compiler
- lt_prog_compiler_wl='-Wl,-Wl,,'
- lt_prog_compiler_pic='-PIC'
- lt_prog_compiler_static='-Bstatic'
- ;;
- esac
- ;;
-
- mingw* | cygwin* | pw32* | os2* | cegcc*)
- # This hack is so that the source file can tell whether it is being
- # built for inclusion in a dll (and should export symbols for example).
- lt_prog_compiler_pic='-DDLL_EXPORT'
- case $host_os in
- os2*)
- lt_prog_compiler_static='$wl-static'
- ;;
- esac
- ;;
-
- hpux9* | hpux10* | hpux11*)
- lt_prog_compiler_wl='-Wl,'
- # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
- # not for PA HP-UX.
- case $host_cpu in
- hppa*64*|ia64*)
- # +Z the default
- ;;
- *)
- lt_prog_compiler_pic='+Z'
- ;;
- esac
- # Is there a better lt_prog_compiler_static that works with the bundled CC?
- lt_prog_compiler_static='$wl-a ${wl}archive'
- ;;
-
- irix5* | irix6* | nonstopux*)
- lt_prog_compiler_wl='-Wl,'
- # PIC (with -KPIC) is the default.
- lt_prog_compiler_static='-non_shared'
- ;;
-
- linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
- case $cc_basename in
- # old Intel for x86_64, which still supported -KPIC.
- ecc*)
- lt_prog_compiler_wl='-Wl,'
- lt_prog_compiler_pic='-KPIC'
- lt_prog_compiler_static='-static'
- ;;
- # icc used to be incompatible with GCC.
- # ICC 10 doesn't accept -KPIC any more.
- icc* | ifort*)
- lt_prog_compiler_wl='-Wl,'
- lt_prog_compiler_pic='-fPIC'
- lt_prog_compiler_static='-static'
- ;;
- # Lahey Fortran 8.1.
- lf95*)
- lt_prog_compiler_wl='-Wl,'
- lt_prog_compiler_pic='--shared'
- lt_prog_compiler_static='--static'
- ;;
- nagfor*)
- # NAG Fortran compiler
- lt_prog_compiler_wl='-Wl,-Wl,,'
- lt_prog_compiler_pic='-PIC'
- lt_prog_compiler_static='-Bstatic'
- ;;
- tcc*)
- # Fabrice Bellard et al's Tiny C Compiler
- lt_prog_compiler_wl='-Wl,'
- lt_prog_compiler_pic='-fPIC'
- lt_prog_compiler_static='-static'
- ;;
- pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*)
- # Portland Group compilers (*not* the Pentium gcc compiler,
- # which looks to be a dead project)
- lt_prog_compiler_wl='-Wl,'
- lt_prog_compiler_pic='-fpic'
- lt_prog_compiler_static='-Bstatic'
- ;;
- ccc*)
- lt_prog_compiler_wl='-Wl,'
- # All Alpha code is PIC.
- lt_prog_compiler_static='-non_shared'
- ;;
- xl* | bgxl* | bgf* | mpixl*)
- # IBM XL C 8.0/Fortran 10.1, 11.1 on PPC and BlueGene
- lt_prog_compiler_wl='-Wl,'
- lt_prog_compiler_pic='-qpic'
- lt_prog_compiler_static='-qstaticlink'
- ;;
- *)
- case `$CC -V 2>&1 | sed 5q` in
- *Sun\ Ceres\ Fortran* | *Sun*Fortran*\ [1-7].* | *Sun*Fortran*\ 8.[0-3]*)
- # Sun Fortran 8.3 passes all unrecognized flags to the linker
- lt_prog_compiler_pic='-KPIC'
- lt_prog_compiler_static='-Bstatic'
- lt_prog_compiler_wl=''
- ;;
- *Sun\ F* | *Sun*Fortran*)
- lt_prog_compiler_pic='-KPIC'
- lt_prog_compiler_static='-Bstatic'
- lt_prog_compiler_wl='-Qoption ld '
- ;;
- *Sun\ C*)
- # Sun C 5.9
- lt_prog_compiler_pic='-KPIC'
- lt_prog_compiler_static='-Bstatic'
- lt_prog_compiler_wl='-Wl,'
- ;;
- *Intel*\ [CF]*Compiler*)
- lt_prog_compiler_wl='-Wl,'
- lt_prog_compiler_pic='-fPIC'
- lt_prog_compiler_static='-static'
- ;;
- *Portland\ Group*)
- lt_prog_compiler_wl='-Wl,'
- lt_prog_compiler_pic='-fpic'
- lt_prog_compiler_static='-Bstatic'
- ;;
- esac
- ;;
- esac
- ;;
-
- newsos6)
- lt_prog_compiler_pic='-KPIC'
- lt_prog_compiler_static='-Bstatic'
- ;;
-
- *nto* | *qnx*)
- # QNX uses GNU C++, but need to define -shared option too, otherwise
- # it will coredump.
- lt_prog_compiler_pic='-fPIC -shared'
- ;;
-
- osf3* | osf4* | osf5*)
- lt_prog_compiler_wl='-Wl,'
- # All OSF/1 code is PIC.
- lt_prog_compiler_static='-non_shared'
- ;;
-
- rdos*)
- lt_prog_compiler_static='-non_shared'
- ;;
-
- solaris*)
- lt_prog_compiler_pic='-KPIC'
- lt_prog_compiler_static='-Bstatic'
- case $cc_basename in
- f77* | f90* | f95* | sunf77* | sunf90* | sunf95*)
- lt_prog_compiler_wl='-Qoption ld ';;
- *)
- lt_prog_compiler_wl='-Wl,';;
- esac
- ;;
-
- sunos4*)
- lt_prog_compiler_wl='-Qoption ld '
- lt_prog_compiler_pic='-PIC'
- lt_prog_compiler_static='-Bstatic'
- ;;
-
- sysv4 | sysv4.2uw2* | sysv4.3*)
- lt_prog_compiler_wl='-Wl,'
- lt_prog_compiler_pic='-KPIC'
- lt_prog_compiler_static='-Bstatic'
- ;;
-
- sysv4*MP*)
- if test -d /usr/nec; then
- lt_prog_compiler_pic='-Kconform_pic'
- lt_prog_compiler_static='-Bstatic'
- fi
- ;;
-
- sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
- lt_prog_compiler_wl='-Wl,'
- lt_prog_compiler_pic='-KPIC'
- lt_prog_compiler_static='-Bstatic'
- ;;
-
- unicos*)
- lt_prog_compiler_wl='-Wl,'
- lt_prog_compiler_can_build_shared=no
- ;;
-
- uts4*)
- lt_prog_compiler_pic='-pic'
- lt_prog_compiler_static='-Bstatic'
- ;;
-
- *)
- lt_prog_compiler_can_build_shared=no
- ;;
- esac
- fi
-
-case $host_os in
- # For platforms that do not support PIC, -DPIC is meaningless:
- *djgpp*)
- lt_prog_compiler_pic=
- ;;
- *)
- lt_prog_compiler_pic="$lt_prog_compiler_pic -DPIC"
- ;;
-esac
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $compiler option to produce PIC" >&5
-$as_echo_n "checking for $compiler option to produce PIC... " >&6; }
-if ${lt_cv_prog_compiler_pic+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- lt_cv_prog_compiler_pic=$lt_prog_compiler_pic
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic" >&5
-$as_echo "$lt_cv_prog_compiler_pic" >&6; }
-lt_prog_compiler_pic=$lt_cv_prog_compiler_pic
-
-#
-# Check to make sure the PIC flag actually works.
-#
-if test -n "$lt_prog_compiler_pic"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler PIC flag $lt_prog_compiler_pic works" >&5
-$as_echo_n "checking if $compiler PIC flag $lt_prog_compiler_pic works... " >&6; }
-if ${lt_cv_prog_compiler_pic_works+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- lt_cv_prog_compiler_pic_works=no
- ac_outfile=conftest.$ac_objext
- echo "$lt_simple_compile_test_code" > conftest.$ac_ext
- lt_compiler_flag="$lt_prog_compiler_pic -DPIC" ## exclude from sc_useless_quotes_in_assignment
- # Insert the option either (1) after the last *FLAGS variable, or
- # (2) before a word containing "conftest.", or (3) at the end.
- # Note that $ac_compile itself does not contain backslashes and begins
- # with a dollar sign (not a hyphen), so the echo should work correctly.
- # The option is referenced via a variable to avoid confusing sed.
- lt_compile=`echo "$ac_compile" | $SED \
- -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
- -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
- -e 's:$: $lt_compiler_flag:'`
- (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5)
- (eval "$lt_compile" 2>conftest.err)
- ac_status=$?
- cat conftest.err >&5
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- if (exit $ac_status) && test -s "$ac_outfile"; then
- # The compiler can only warn and ignore the option if not recognized
- # So say no if there are warnings other than the usual output.
- $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp
- $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
- if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then
- lt_cv_prog_compiler_pic_works=yes
- fi
- fi
- $RM conftest*
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic_works" >&5
-$as_echo "$lt_cv_prog_compiler_pic_works" >&6; }
-
-if test yes = "$lt_cv_prog_compiler_pic_works"; then
- case $lt_prog_compiler_pic in
- "" | " "*) ;;
- *) lt_prog_compiler_pic=" $lt_prog_compiler_pic" ;;
- esac
-else
- lt_prog_compiler_pic=
- lt_prog_compiler_can_build_shared=no
-fi
-
-fi
-
-
-
-
-
-
-
-
-
-
-
-#
-# Check to make sure the static flag actually works.
-#
-wl=$lt_prog_compiler_wl eval lt_tmp_static_flag=\"$lt_prog_compiler_static\"
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler static flag $lt_tmp_static_flag works" >&5
-$as_echo_n "checking if $compiler static flag $lt_tmp_static_flag works... " >&6; }
-if ${lt_cv_prog_compiler_static_works+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- lt_cv_prog_compiler_static_works=no
- save_LDFLAGS=$LDFLAGS
- LDFLAGS="$LDFLAGS $lt_tmp_static_flag"
- echo "$lt_simple_link_test_code" > conftest.$ac_ext
- if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then
- # The linker can only warn and ignore the option if not recognized
- # So say no if there are warnings
- if test -s conftest.err; then
- # Append any errors to the config.log.
- cat conftest.err 1>&5
- $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp
- $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
- if diff conftest.exp conftest.er2 >/dev/null; then
- lt_cv_prog_compiler_static_works=yes
- fi
- else
- lt_cv_prog_compiler_static_works=yes
- fi
- fi
- $RM -r conftest*
- LDFLAGS=$save_LDFLAGS
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_static_works" >&5
-$as_echo "$lt_cv_prog_compiler_static_works" >&6; }
-
-if test yes = "$lt_cv_prog_compiler_static_works"; then
- :
-else
- lt_prog_compiler_static=
-fi
-
-
-
-
-
-
-
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5
-$as_echo_n "checking if $compiler supports -c -o file.$ac_objext... " >&6; }
-if ${lt_cv_prog_compiler_c_o+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- lt_cv_prog_compiler_c_o=no
- $RM -r conftest 2>/dev/null
- mkdir conftest
- cd conftest
- mkdir out
- echo "$lt_simple_compile_test_code" > conftest.$ac_ext
-
- lt_compiler_flag="-o out/conftest2.$ac_objext"
- # Insert the option either (1) after the last *FLAGS variable, or
- # (2) before a word containing "conftest.", or (3) at the end.
- # Note that $ac_compile itself does not contain backslashes and begins
- # with a dollar sign (not a hyphen), so the echo should work correctly.
- lt_compile=`echo "$ac_compile" | $SED \
- -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
- -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
- -e 's:$: $lt_compiler_flag:'`
- (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5)
- (eval "$lt_compile" 2>out/conftest.err)
- ac_status=$?
- cat out/conftest.err >&5
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- if (exit $ac_status) && test -s out/conftest2.$ac_objext
- then
- # The compiler can only warn and ignore the option if not recognized
- # So say no if there are warnings
- $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp
- $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2
- if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then
- lt_cv_prog_compiler_c_o=yes
- fi
- fi
- chmod u+w . 2>&5
- $RM conftest*
- # SGI C++ compiler will create directory out/ii_files/ for
- # template instantiation
- test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files
- $RM out/* && rmdir out
- cd ..
- $RM -r conftest
- $RM conftest*
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o" >&5
-$as_echo "$lt_cv_prog_compiler_c_o" >&6; }
-
-
-
-
-
-
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5
-$as_echo_n "checking if $compiler supports -c -o file.$ac_objext... " >&6; }
-if ${lt_cv_prog_compiler_c_o+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- lt_cv_prog_compiler_c_o=no
- $RM -r conftest 2>/dev/null
- mkdir conftest
- cd conftest
- mkdir out
- echo "$lt_simple_compile_test_code" > conftest.$ac_ext
-
- lt_compiler_flag="-o out/conftest2.$ac_objext"
- # Insert the option either (1) after the last *FLAGS variable, or
- # (2) before a word containing "conftest.", or (3) at the end.
- # Note that $ac_compile itself does not contain backslashes and begins
- # with a dollar sign (not a hyphen), so the echo should work correctly.
- lt_compile=`echo "$ac_compile" | $SED \
- -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
- -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
- -e 's:$: $lt_compiler_flag:'`
- (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5)
- (eval "$lt_compile" 2>out/conftest.err)
- ac_status=$?
- cat out/conftest.err >&5
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- if (exit $ac_status) && test -s out/conftest2.$ac_objext
- then
- # The compiler can only warn and ignore the option if not recognized
- # So say no if there are warnings
- $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp
- $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2
- if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then
- lt_cv_prog_compiler_c_o=yes
- fi
- fi
- chmod u+w . 2>&5
- $RM conftest*
- # SGI C++ compiler will create directory out/ii_files/ for
- # template instantiation
- test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files
- $RM out/* && rmdir out
- cd ..
- $RM -r conftest
- $RM conftest*
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o" >&5
-$as_echo "$lt_cv_prog_compiler_c_o" >&6; }
-
-
-
-
-hard_links=nottested
-if test no = "$lt_cv_prog_compiler_c_o" && test no != "$need_locks"; then
- # do not overwrite the value of need_locks provided by the user
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking if we can lock with hard links" >&5
-$as_echo_n "checking if we can lock with hard links... " >&6; }
- hard_links=yes
- $RM conftest*
- ln conftest.a conftest.b 2>/dev/null && hard_links=no
- touch conftest.a
- ln conftest.a conftest.b 2>&5 || hard_links=no
- ln conftest.a conftest.b 2>/dev/null && hard_links=no
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $hard_links" >&5
-$as_echo "$hard_links" >&6; }
- if test no = "$hard_links"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: '$CC' does not support '-c -o', so 'make -j' may be unsafe" >&5
-$as_echo "$as_me: WARNING: '$CC' does not support '-c -o', so 'make -j' may be unsafe" >&2;}
- need_locks=warn
- fi
-else
- need_locks=no
-fi
-
-
-
-
-
-
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the $compiler linker ($LD) supports shared libraries" >&5
-$as_echo_n "checking whether the $compiler linker ($LD) supports shared libraries... " >&6; }
-
- runpath_var=
- allow_undefined_flag=
- always_export_symbols=no
- archive_cmds=
- archive_expsym_cmds=
- compiler_needs_object=no
- enable_shared_with_static_runtimes=no
- export_dynamic_flag_spec=
- export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
- hardcode_automatic=no
- hardcode_direct=no
- hardcode_direct_absolute=no
- hardcode_libdir_flag_spec=
- hardcode_libdir_separator=
- hardcode_minus_L=no
- hardcode_shlibpath_var=unsupported
- inherit_rpath=no
- link_all_deplibs=unknown
- module_cmds=
- module_expsym_cmds=
- old_archive_from_new_cmds=
- old_archive_from_expsyms_cmds=
- thread_safe_flag_spec=
- whole_archive_flag_spec=
- # include_expsyms should be a list of space-separated symbols to be *always*
- # included in the symbol list
- include_expsyms=
- # exclude_expsyms can be an extended regexp of symbols to exclude
- # it will be wrapped by ' (' and ')$', so one must not match beginning or
- # end of line. Example: 'a|bc|.*d.*' will exclude the symbols 'a' and 'bc',
- # as well as any symbol that contains 'd'.
- exclude_expsyms='_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*'
- # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out
- # platforms (ab)use it in PIC code, but their linkers get confused if
- # the symbol is explicitly referenced. Since portable code cannot
- # rely on this symbol name, it's probably fine to never include it in
- # preloaded symbol tables.
- # Exclude shared library initialization/finalization symbols.
- extract_expsyms_cmds=
-
- case $host_os in
- cygwin* | mingw* | pw32* | cegcc*)
- # FIXME: the MSVC++ port hasn't been tested in a loooong time
- # When not using gcc, we currently assume that we are using
- # Microsoft Visual C++.
- if test yes != "$GCC"; then
- with_gnu_ld=no
- fi
- ;;
- interix*)
- # we just hope/assume this is gcc and not c89 (= MSVC++)
- with_gnu_ld=yes
- ;;
- openbsd* | bitrig*)
- with_gnu_ld=no
- ;;
- esac
-
- ld_shlibs=yes
-
- # On some targets, GNU ld is compatible enough with the native linker
- # that we're better off using the native interface for both.
- lt_use_gnu_ld_interface=no
- if test yes = "$with_gnu_ld"; then
- case $host_os in
- aix*)
- # The AIX port of GNU ld has always aspired to compatibility
- # with the native linker. However, as the warning in the GNU ld
- # block says, versions before 2.19.5* couldn't really create working
- # shared libraries, regardless of the interface used.
- case `$LD -v 2>&1` in
- *\ \(GNU\ Binutils\)\ 2.19.5*) ;;
- *\ \(GNU\ Binutils\)\ 2.[2-9]*) ;;
- *\ \(GNU\ Binutils\)\ [3-9]*) ;;
- *)
- lt_use_gnu_ld_interface=yes
- ;;
- esac
- ;;
- *)
- lt_use_gnu_ld_interface=yes
- ;;
- esac
- fi
-
- if test yes = "$lt_use_gnu_ld_interface"; then
- # If archive_cmds runs LD, not CC, wlarc should be empty
- wlarc='$wl'
-
- # Set some defaults for GNU ld with shared library support. These
- # are reset later if shared libraries are not supported. Putting them
- # here allows them to be overridden if necessary.
- runpath_var=LD_RUN_PATH
- hardcode_libdir_flag_spec='$wl-rpath $wl$libdir'
- export_dynamic_flag_spec='$wl--export-dynamic'
- # ancient GNU ld didn't support --whole-archive et. al.
- if $LD --help 2>&1 | $GREP 'no-whole-archive' > /dev/null; then
- whole_archive_flag_spec=$wlarc'--whole-archive$convenience '$wlarc'--no-whole-archive'
- else
- whole_archive_flag_spec=
- fi
- supports_anon_versioning=no
- case `$LD -v | $SED -e 's/(^)\+)\s\+//' 2>&1` in
- *GNU\ gold*) supports_anon_versioning=yes ;;
- *\ [01].* | *\ 2.[0-9].* | *\ 2.10.*) ;; # catch versions < 2.11
- *\ 2.11.93.0.2\ *) supports_anon_versioning=yes ;; # RH7.3 ...
- *\ 2.11.92.0.12\ *) supports_anon_versioning=yes ;; # Mandrake 8.2 ...
- *\ 2.11.*) ;; # other 2.11 versions
- *) supports_anon_versioning=yes ;;
- esac
-
- # See if GNU ld supports shared libraries.
- case $host_os in
- aix[3-9]*)
- # On AIX/PPC, the GNU linker is very broken
- if test ia64 != "$host_cpu"; then
- ld_shlibs=no
- cat <<_LT_EOF 1>&2
-
-*** Warning: the GNU linker, at least up to release 2.19, is reported
-*** to be unable to reliably create shared libraries on AIX.
-*** Therefore, libtool is disabling shared libraries support. If you
-*** really care for shared libraries, you may want to install binutils
-*** 2.20 or above, or modify your PATH so that a non-GNU linker is found.
-*** You will then need to restart the configuration process.
-
-_LT_EOF
- fi
- ;;
-
- amigaos*)
- case $host_cpu in
- powerpc)
- # see comment about AmigaOS4 .so support
- archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
- archive_expsym_cmds=''
- ;;
- m68k)
- archive_cmds='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
- hardcode_libdir_flag_spec='-L$libdir'
- hardcode_minus_L=yes
- ;;
- esac
- ;;
-
- beos*)
- if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
- allow_undefined_flag=unsupported
- # Joseph Beckenbach <jrb3@best.com> says some releases of gcc
- # support --undefined. This deserves some investigation. FIXME
- archive_cmds='$CC -nostart $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
- else
- ld_shlibs=no
- fi
- ;;
-
- cygwin* | mingw* | pw32* | cegcc*)
- # _LT_TAGVAR(hardcode_libdir_flag_spec, ) is actually meaningless,
- # as there is no search path for DLLs.
- hardcode_libdir_flag_spec='-L$libdir'
- export_dynamic_flag_spec='$wl--export-all-symbols'
- allow_undefined_flag=unsupported
- always_export_symbols=no
- enable_shared_with_static_runtimes=yes
- export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1 DATA/;s/^.*[ ]__nm__\([^ ]*\)[ ][^ ]*/\1 DATA/;/^I[ ]/d;/^[AITW][ ]/s/.* //'\'' | sort | uniq > $export_symbols'
- exclude_expsyms='[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname'
-
- if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then
- archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
- # If the export-symbols file already is a .def file, use it as
- # is; otherwise, prepend EXPORTS...
- archive_expsym_cmds='if test DEF = "`$SED -n -e '\''s/^[ ]*//'\'' -e '\''/^\(;.*\)*$/d'\'' -e '\''s/^\(EXPORTS\|LIBRARY\)\([ ].*\)*$/DEF/p'\'' -e q $export_symbols`" ; then
- cp $export_symbols $output_objdir/$soname.def;
- else
- echo EXPORTS > $output_objdir/$soname.def;
- cat $export_symbols >> $output_objdir/$soname.def;
- fi~
- $CC -shared $output_objdir/$soname.def $libobjs $deplibs $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
- else
- ld_shlibs=no
- fi
- ;;
-
- haiku*)
- archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
- link_all_deplibs=yes
- ;;
-
- os2*)
- hardcode_libdir_flag_spec='-L$libdir'
- hardcode_minus_L=yes
- allow_undefined_flag=unsupported
- shrext_cmds=.dll
- archive_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
- $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
- $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
- $ECHO EXPORTS >> $output_objdir/$libname.def~
- emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~
- $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
- emximp -o $lib $output_objdir/$libname.def'
- archive_expsym_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
- $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
- $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
- $ECHO EXPORTS >> $output_objdir/$libname.def~
- prefix_cmds="$SED"~
- if test EXPORTS = "`$SED 1q $export_symbols`"; then
- prefix_cmds="$prefix_cmds -e 1d";
- fi~
- prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~
- cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~
- $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
- emximp -o $lib $output_objdir/$libname.def'
- old_archive_From_new_cmds='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def'
- enable_shared_with_static_runtimes=yes
- ;;
-
- interix[3-9]*)
- hardcode_direct=no
- hardcode_shlibpath_var=no
- hardcode_libdir_flag_spec='$wl-rpath,$libdir'
- export_dynamic_flag_spec='$wl-E'
- # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc.
- # Instead, shared libraries are loaded at an image base (0x10000000 by
- # default) and relocated if they conflict, which is a slow very memory
- # consuming and fragmenting process. To avoid this, we pick a random,
- # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link
- # time. Moving up from 0x10000000 also allows more sbrk(2) space.
- archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
- archive_expsym_cmds='sed "s|^|_|" $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--retain-symbols-file,$output_objdir/$soname.expsym $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
- ;;
-
- gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu)
- tmp_diet=no
- if test linux-dietlibc = "$host_os"; then
- case $cc_basename in
- diet\ *) tmp_diet=yes;; # linux-dietlibc with static linking (!diet-dyn)
- esac
- fi
- if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \
- && test no = "$tmp_diet"
- then
- tmp_addflag=' $pic_flag'
- tmp_sharedflag='-shared'
- case $cc_basename,$host_cpu in
- pgcc*) # Portland Group C compiler
- whole_archive_flag_spec='$wl--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive'
- tmp_addflag=' $pic_flag'
- ;;
- pgf77* | pgf90* | pgf95* | pgfortran*)
- # Portland Group f77 and f90 compilers
- whole_archive_flag_spec='$wl--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive'
- tmp_addflag=' $pic_flag -Mnomain' ;;
- ecc*,ia64* | icc*,ia64*) # Intel C compiler on ia64
- tmp_addflag=' -i_dynamic' ;;
- efc*,ia64* | ifort*,ia64*) # Intel Fortran compiler on ia64
- tmp_addflag=' -i_dynamic -nofor_main' ;;
- ifc* | ifort*) # Intel Fortran compiler
- tmp_addflag=' -nofor_main' ;;
- lf95*) # Lahey Fortran 8.1
- whole_archive_flag_spec=
- tmp_sharedflag='--shared' ;;
- nagfor*) # NAGFOR 5.3
- tmp_sharedflag='-Wl,-shared' ;;
- xl[cC]* | bgxl[cC]* | mpixl[cC]*) # IBM XL C 8.0 on PPC (deal with xlf below)
- tmp_sharedflag='-qmkshrobj'
- tmp_addflag= ;;
- nvcc*) # Cuda Compiler Driver 2.2
- whole_archive_flag_spec='$wl--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive'
- compiler_needs_object=yes
- ;;
- esac
- case `$CC -V 2>&1 | sed 5q` in
- *Sun\ C*) # Sun C 5.9
- whole_archive_flag_spec='$wl--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive'
- compiler_needs_object=yes
- tmp_sharedflag='-G' ;;
- *Sun\ F*) # Sun Fortran 8.3
- tmp_sharedflag='-G' ;;
- esac
- archive_cmds='$CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
-
- if test yes = "$supports_anon_versioning"; then
- archive_expsym_cmds='echo "{ global:" > $output_objdir/$libname.ver~
- cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
- echo "local: *; };" >> $output_objdir/$libname.ver~
- $CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-version-script $wl$output_objdir/$libname.ver -o $lib'
- fi
-
- case $cc_basename in
- tcc*)
- export_dynamic_flag_spec='-rdynamic'
- ;;
- xlf* | bgf* | bgxlf* | mpixlf*)
- # IBM XL Fortran 10.1 on PPC cannot create shared libs itself
- whole_archive_flag_spec='--whole-archive$convenience --no-whole-archive'
- hardcode_libdir_flag_spec='$wl-rpath $wl$libdir'
- archive_cmds='$LD -shared $libobjs $deplibs $linker_flags -soname $soname -o $lib'
- if test yes = "$supports_anon_versioning"; then
- archive_expsym_cmds='echo "{ global:" > $output_objdir/$libname.ver~
- cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
- echo "local: *; };" >> $output_objdir/$libname.ver~
- $LD -shared $libobjs $deplibs $linker_flags -soname $soname -version-script $output_objdir/$libname.ver -o $lib'
- fi
- ;;
- esac
- else
- ld_shlibs=no
- fi
- ;;
-
- netbsd*)
- if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
- archive_cmds='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
- wlarc=
- else
- archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
- archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
- fi
- ;;
-
- solaris*)
- if $LD -v 2>&1 | $GREP 'BFD 2\.8' > /dev/null; then
- ld_shlibs=no
- cat <<_LT_EOF 1>&2
-
-*** Warning: The releases 2.8.* of the GNU linker cannot reliably
-*** create shared libraries on Solaris systems. Therefore, libtool
-*** is disabling shared libraries support. We urge you to upgrade GNU
-*** binutils to release 2.9.1 or newer. Another option is to modify
-*** your PATH or compiler configuration so that the native linker is
-*** used, and then restart.
-
-_LT_EOF
- elif $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
- archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
- archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
- else
- ld_shlibs=no
- fi
- ;;
-
- sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*)
- case `$LD -v 2>&1` in
- *\ [01].* | *\ 2.[0-9].* | *\ 2.1[0-5].*)
- ld_shlibs=no
- cat <<_LT_EOF 1>&2
-
-*** Warning: Releases of the GNU linker prior to 2.16.91.0.3 cannot
-*** reliably create shared libraries on SCO systems. Therefore, libtool
-*** is disabling shared libraries support. We urge you to upgrade GNU
-*** binutils to release 2.16.91.0.3 or newer. Another option is to modify
-*** your PATH or compiler configuration so that the native linker is
-*** used, and then restart.
-
-_LT_EOF
- ;;
- *)
- # For security reasons, it is highly recommended that you always
- # use absolute paths for naming shared libraries, and exclude the
- # DT_RUNPATH tag from executables and libraries. But doing so
- # requires that you compile everything twice, which is a pain.
- if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
- hardcode_libdir_flag_spec='$wl-rpath $wl$libdir'
- archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
- archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
- else
- ld_shlibs=no
- fi
- ;;
- esac
- ;;
-
- sunos4*)
- archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags'
- wlarc=
- hardcode_direct=yes
- hardcode_shlibpath_var=no
- ;;
-
- *)
- if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
- archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
- archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
- else
- ld_shlibs=no
- fi
- ;;
- esac
-
- if test no = "$ld_shlibs"; then
- runpath_var=
- hardcode_libdir_flag_spec=
- export_dynamic_flag_spec=
- whole_archive_flag_spec=
- fi
- else
- # PORTME fill in a description of your system's linker (not GNU ld)
- case $host_os in
- aix3*)
- allow_undefined_flag=unsupported
- always_export_symbols=yes
- archive_expsym_cmds='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname'
- # Note: this linker hardcodes the directories in LIBPATH if there
- # are no directories specified by -L.
- hardcode_minus_L=yes
- if test yes = "$GCC" && test -z "$lt_prog_compiler_static"; then
- # Neither direct hardcoding nor static linking is supported with a
- # broken collect2.
- hardcode_direct=unsupported
- fi
- ;;
-
- aix[4-9]*)
- if test ia64 = "$host_cpu"; then
- # On IA64, the linker does run time linking by default, so we don't
- # have to do anything special.
- aix_use_runtimelinking=no
- exp_sym_flag='-Bexport'
- no_entry_flag=
- else
- # If we're using GNU nm, then we don't want the "-C" option.
- # -C means demangle to GNU nm, but means don't demangle to AIX nm.
- # Without the "-l" option, or with the "-B" option, AIX nm treats
- # weak defined symbols like other global defined symbols, whereas
- # GNU nm marks them as "W".
- # While the 'weak' keyword is ignored in the Export File, we need
- # it in the Import File for the 'aix-soname' feature, so we have
- # to replace the "-B" option with "-P" for AIX nm.
- if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then
- export_symbols_cmds='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && (substr(\$ 3,1,1) != ".")) { if (\$ 2 == "W") { print \$ 3 " weak" } else { print \$ 3 } } }'\'' | sort -u > $export_symbols'
- else
- export_symbols_cmds='`func_echo_all $NM | $SED -e '\''s/B\([^B]*\)$/P\1/'\''` -PCpgl $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) && (substr(\$ 1,1,1) != ".")) { if ((\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) { print \$ 1 " weak" } else { print \$ 1 } } }'\'' | sort -u > $export_symbols'
- fi
- aix_use_runtimelinking=no
-
- # Test if we are trying to use run time linking or normal
- # AIX style linking. If -brtl is somewhere in LDFLAGS, we
- # have runtime linking enabled, and use it for executables.
- # For shared libraries, we enable/disable runtime linking
- # depending on the kind of the shared library created -
- # when "with_aix_soname,aix_use_runtimelinking" is:
- # "aix,no" lib.a(lib.so.V) shared, rtl:no, for executables
- # "aix,yes" lib.so shared, rtl:yes, for executables
- # lib.a static archive
- # "both,no" lib.so.V(shr.o) shared, rtl:yes
- # lib.a(lib.so.V) shared, rtl:no, for executables
- # "both,yes" lib.so.V(shr.o) shared, rtl:yes, for executables
- # lib.a(lib.so.V) shared, rtl:no
- # "svr4,*" lib.so.V(shr.o) shared, rtl:yes, for executables
- # lib.a static archive
- case $host_os in aix4.[23]|aix4.[23].*|aix[5-9]*)
- for ld_flag in $LDFLAGS; do
- if (test x-brtl = "x$ld_flag" || test x-Wl,-brtl = "x$ld_flag"); then
- aix_use_runtimelinking=yes
- break
- fi
- done
- if test svr4,no = "$with_aix_soname,$aix_use_runtimelinking"; then
- # With aix-soname=svr4, we create the lib.so.V shared archives only,
- # so we don't have lib.a shared libs to link our executables.
- # We have to force runtime linking in this case.
- aix_use_runtimelinking=yes
- LDFLAGS="$LDFLAGS -Wl,-brtl"
- fi
- ;;
- esac
-
- exp_sym_flag='-bexport'
- no_entry_flag='-bnoentry'
- fi
-
- # When large executables or shared objects are built, AIX ld can
- # have problems creating the table of contents. If linking a library
- # or program results in "error TOC overflow" add -mminimal-toc to
- # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not
- # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
-
- archive_cmds=''
- hardcode_direct=yes
- hardcode_direct_absolute=yes
- hardcode_libdir_separator=':'
- link_all_deplibs=yes
- file_list_spec='$wl-f,'
- case $with_aix_soname,$aix_use_runtimelinking in
- aix,*) ;; # traditional, no import file
- svr4,* | *,yes) # use import file
- # The Import File defines what to hardcode.
- hardcode_direct=no
- hardcode_direct_absolute=no
- ;;
- esac
-
- if test yes = "$GCC"; then
- case $host_os in aix4.[012]|aix4.[012].*)
- # We only want to do this on AIX 4.2 and lower, the check
- # below for broken collect2 doesn't work under 4.3+
- collect2name=`$CC -print-prog-name=collect2`
- if test -f "$collect2name" &&
- strings "$collect2name" | $GREP resolve_lib_name >/dev/null
- then
- # We have reworked collect2
- :
- else
- # We have old collect2
- hardcode_direct=unsupported
- # It fails to find uninstalled libraries when the uninstalled
- # path is not listed in the libpath. Setting hardcode_minus_L
- # to unsupported forces relinking
- hardcode_minus_L=yes
- hardcode_libdir_flag_spec='-L$libdir'
- hardcode_libdir_separator=
- fi
- ;;
- esac
- shared_flag='-shared'
- if test yes = "$aix_use_runtimelinking"; then
- shared_flag="$shared_flag "'$wl-G'
- fi
- # Need to ensure runtime linking is disabled for the traditional
- # shared library, or the linker may eventually find shared libraries
- # /with/ Import File - we do not want to mix them.
- shared_flag_aix='-shared'
- shared_flag_svr4='-shared $wl-G'
- else
- # not using gcc
- if test ia64 = "$host_cpu"; then
- # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release
- # chokes on -Wl,-G. The following line is correct:
- shared_flag='-G'
- else
- if test yes = "$aix_use_runtimelinking"; then
- shared_flag='$wl-G'
- else
- shared_flag='$wl-bM:SRE'
- fi
- shared_flag_aix='$wl-bM:SRE'
- shared_flag_svr4='$wl-G'
- fi
- fi
-
- export_dynamic_flag_spec='$wl-bexpall'
- # It seems that -bexpall does not export symbols beginning with
- # underscore (_), so it is better to generate a list of symbols to export.
- always_export_symbols=yes
- if test aix,yes = "$with_aix_soname,$aix_use_runtimelinking"; then
- # Warning - without using the other runtime loading flags (-brtl),
- # -berok will link without error, but may produce a broken library.
- allow_undefined_flag='-berok'
- # Determine the default libpath from the value encoded in an
- # empty executable.
- if test set = "${lt_cv_aix_libpath+set}"; then
- aix_libpath=$lt_cv_aix_libpath
-else
- if ${lt_cv_aix_libpath_+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-
-int
-main ()
-{
-
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-
- lt_aix_libpath_sed='
- /Import File Strings/,/^$/ {
- /^0/ {
- s/^0 *\([^ ]*\) *$/\1/
- p
- }
- }'
- lt_cv_aix_libpath_=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
- # Check for a 64-bit object if we didn't find anything.
- if test -z "$lt_cv_aix_libpath_"; then
- lt_cv_aix_libpath_=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
- fi
-fi
-rm -f core conftest.err conftest.$ac_objext \
- conftest$ac_exeext conftest.$ac_ext
- if test -z "$lt_cv_aix_libpath_"; then
- lt_cv_aix_libpath_=/usr/lib:/lib
- fi
-
-fi
-
- aix_libpath=$lt_cv_aix_libpath_
-fi
-
- hardcode_libdir_flag_spec='$wl-blibpath:$libdir:'"$aix_libpath"
- archive_expsym_cmds='$CC -o $output_objdir/$soname $libobjs $deplibs $wl'$no_entry_flag' $compiler_flags `if test -n "$allow_undefined_flag"; then func_echo_all "$wl$allow_undefined_flag"; else :; fi` $wl'$exp_sym_flag:\$export_symbols' '$shared_flag
- else
- if test ia64 = "$host_cpu"; then
- hardcode_libdir_flag_spec='$wl-R $libdir:/usr/lib:/lib'
- allow_undefined_flag="-z nodefs"
- archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\$wl$no_entry_flag"' $compiler_flags $wl$allow_undefined_flag '"\$wl$exp_sym_flag:\$export_symbols"
- else
- # Determine the default libpath from the value encoded in an
- # empty executable.
- if test set = "${lt_cv_aix_libpath+set}"; then
- aix_libpath=$lt_cv_aix_libpath
-else
- if ${lt_cv_aix_libpath_+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-
-int
-main ()
-{
-
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-
- lt_aix_libpath_sed='
- /Import File Strings/,/^$/ {
- /^0/ {
- s/^0 *\([^ ]*\) *$/\1/
- p
- }
- }'
- lt_cv_aix_libpath_=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
- # Check for a 64-bit object if we didn't find anything.
- if test -z "$lt_cv_aix_libpath_"; then
- lt_cv_aix_libpath_=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
- fi
-fi
-rm -f core conftest.err conftest.$ac_objext \
- conftest$ac_exeext conftest.$ac_ext
- if test -z "$lt_cv_aix_libpath_"; then
- lt_cv_aix_libpath_=/usr/lib:/lib
- fi
-
-fi
-
- aix_libpath=$lt_cv_aix_libpath_
-fi
-
- hardcode_libdir_flag_spec='$wl-blibpath:$libdir:'"$aix_libpath"
- # Warning - without using the other run time loading flags,
- # -berok will link without error, but may produce a broken library.
- no_undefined_flag=' $wl-bernotok'
- allow_undefined_flag=' $wl-berok'
- if test yes = "$with_gnu_ld"; then
- # We only use this code for GNU lds that support --whole-archive.
- whole_archive_flag_spec='$wl--whole-archive$convenience $wl--no-whole-archive'
- else
- # Exported symbols can be pulled into shared objects from archives
- whole_archive_flag_spec='$convenience'
- fi
- archive_cmds_need_lc=yes
- archive_expsym_cmds='$RM -r $output_objdir/$realname.d~$MKDIR $output_objdir/$realname.d'
- # -brtl affects multiple linker settings, -berok does not and is overridden later
- compiler_flags_filtered='`func_echo_all "$compiler_flags " | $SED -e "s%-brtl\\([, ]\\)%-berok\\1%g"`'
- if test svr4 != "$with_aix_soname"; then
- # This is similar to how AIX traditionally builds its shared libraries.
- archive_expsym_cmds="$archive_expsym_cmds"'~$CC '$shared_flag_aix' -o $output_objdir/$realname.d/$soname $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$realname.d/$soname'
- fi
- if test aix != "$with_aix_soname"; then
- archive_expsym_cmds="$archive_expsym_cmds"'~$CC '$shared_flag_svr4' -o $output_objdir/$realname.d/$shared_archive_member_spec.o $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$STRIP -e $output_objdir/$realname.d/$shared_archive_member_spec.o~( func_echo_all "#! $soname($shared_archive_member_spec.o)"; if test shr_64 = "$shared_archive_member_spec"; then func_echo_all "# 64"; else func_echo_all "# 32"; fi; cat $export_symbols ) > $output_objdir/$realname.d/$shared_archive_member_spec.imp~$AR $AR_FLAGS $output_objdir/$soname $output_objdir/$realname.d/$shared_archive_member_spec.o $output_objdir/$realname.d/$shared_archive_member_spec.imp'
- else
- # used by -dlpreopen to get the symbols
- archive_expsym_cmds="$archive_expsym_cmds"'~$MV $output_objdir/$realname.d/$soname $output_objdir'
- fi
- archive_expsym_cmds="$archive_expsym_cmds"'~$RM -r $output_objdir/$realname.d'
- fi
- fi
- ;;
-
- amigaos*)
- case $host_cpu in
- powerpc)
- # see comment about AmigaOS4 .so support
- archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
- archive_expsym_cmds=''
- ;;
- m68k)
- archive_cmds='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
- hardcode_libdir_flag_spec='-L$libdir'
- hardcode_minus_L=yes
- ;;
- esac
- ;;
-
- bsdi[45]*)
- export_dynamic_flag_spec=-rdynamic
- ;;
-
- cygwin* | mingw* | pw32* | cegcc*)
- # When not using gcc, we currently assume that we are using
- # Microsoft Visual C++.
- # hardcode_libdir_flag_spec is actually meaningless, as there is
- # no search path for DLLs.
- case $cc_basename in
- cl*)
- # Native MSVC
- hardcode_libdir_flag_spec=' '
- allow_undefined_flag=unsupported
- always_export_symbols=yes
- file_list_spec='@'
- # Tell ltmain to make .lib files, not .a files.
- libext=lib
- # Tell ltmain to make .dll files, not .so files.
- shrext_cmds=.dll
- # FIXME: Setting linknames here is a bad hack.
- archive_cmds='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~linknames='
- archive_expsym_cmds='if test DEF = "`$SED -n -e '\''s/^[ ]*//'\'' -e '\''/^\(;.*\)*$/d'\'' -e '\''s/^\(EXPORTS\|LIBRARY\)\([ ].*\)*$/DEF/p'\'' -e q $export_symbols`" ; then
- cp "$export_symbols" "$output_objdir/$soname.def";
- echo "$tool_output_objdir$soname.def" > "$output_objdir/$soname.exp";
- else
- $SED -e '\''s/^/-link -EXPORT:/'\'' < $export_symbols > $output_objdir/$soname.exp;
- fi~
- $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~
- linknames='
- # The linker will not automatically build a static lib if we build a DLL.
- # _LT_TAGVAR(old_archive_from_new_cmds, )='true'
- enable_shared_with_static_runtimes=yes
- exclude_expsyms='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*'
- export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1,DATA/'\'' | $SED -e '\''/^[AITW][ ]/s/.*[ ]//'\'' | sort | uniq > $export_symbols'
- # Don't use ranlib
- old_postinstall_cmds='chmod 644 $oldlib'
- postlink_cmds='lt_outputfile="@OUTPUT@"~
- lt_tool_outputfile="@TOOL_OUTPUT@"~
- case $lt_outputfile in
- *.exe|*.EXE) ;;
- *)
- lt_outputfile=$lt_outputfile.exe
- lt_tool_outputfile=$lt_tool_outputfile.exe
- ;;
- esac~
- if test : != "$MANIFEST_TOOL" && test -f "$lt_outputfile.manifest"; then
- $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1;
- $RM "$lt_outputfile.manifest";
- fi'
- ;;
- *)
- # Assume MSVC wrapper
- hardcode_libdir_flag_spec=' '
- allow_undefined_flag=unsupported
- # Tell ltmain to make .lib files, not .a files.
- libext=lib
- # Tell ltmain to make .dll files, not .so files.
- shrext_cmds=.dll
- # FIXME: Setting linknames here is a bad hack.
- archive_cmds='$CC -o $lib $libobjs $compiler_flags `func_echo_all "$deplibs" | $SED '\''s/ -lc$//'\''` -link -dll~linknames='
- # The linker will automatically build a .lib file if we build a DLL.
- old_archive_from_new_cmds='true'
- # FIXME: Should let the user specify the lib program.
- old_archive_cmds='lib -OUT:$oldlib$oldobjs$old_deplibs'
- enable_shared_with_static_runtimes=yes
- ;;
- esac
- ;;
-
- darwin* | rhapsody*)
-
-
- archive_cmds_need_lc=no
- hardcode_direct=no
- hardcode_automatic=yes
- hardcode_shlibpath_var=unsupported
- if test yes = "$lt_cv_ld_force_load"; then
- whole_archive_flag_spec='`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience $wl-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`'
-
- else
- whole_archive_flag_spec=''
- fi
- link_all_deplibs=yes
- allow_undefined_flag=$_lt_dar_allow_undefined
- case $cc_basename in
- ifort*|nagfor*) _lt_dar_can_shared=yes ;;
- *) _lt_dar_can_shared=$GCC ;;
- esac
- if test yes = "$_lt_dar_can_shared"; then
- output_verbose_link_cmd=func_echo_all
- archive_cmds="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod$_lt_dsymutil"
- module_cmds="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags$_lt_dsymutil"
- archive_expsym_cmds="sed 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod$_lt_dar_export_syms$_lt_dsymutil"
- module_expsym_cmds="sed -e 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags$_lt_dar_export_syms$_lt_dsymutil"
-
- else
- ld_shlibs=no
- fi
-
- ;;
-
- dgux*)
- archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
- hardcode_libdir_flag_spec='-L$libdir'
- hardcode_shlibpath_var=no
- ;;
-
- # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
- # support. Future versions do this automatically, but an explicit c++rt0.o
- # does not break anything, and helps significantly (at the cost of a little
- # extra space).
- freebsd2.2*)
- archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o'
- hardcode_libdir_flag_spec='-R$libdir'
- hardcode_direct=yes
- hardcode_shlibpath_var=no
- ;;
-
- # Unfortunately, older versions of FreeBSD 2 do not have this feature.
- freebsd2.*)
- archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
- hardcode_direct=yes
- hardcode_minus_L=yes
- hardcode_shlibpath_var=no
- ;;
-
- # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
- freebsd* | dragonfly*)
- archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
- hardcode_libdir_flag_spec='-R$libdir'
- hardcode_direct=yes
- hardcode_shlibpath_var=no
- ;;
-
- hpux9*)
- if test yes = "$GCC"; then
- archive_cmds='$RM $output_objdir/$soname~$CC -shared $pic_flag $wl+b $wl$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib'
- else
- archive_cmds='$RM $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib'
- fi
- hardcode_libdir_flag_spec='$wl+b $wl$libdir'
- hardcode_libdir_separator=:
- hardcode_direct=yes
-
- # hardcode_minus_L: Not really in the search PATH,
- # but as the default location of the library.
- hardcode_minus_L=yes
- export_dynamic_flag_spec='$wl-E'
- ;;
-
- hpux10*)
- if test yes,no = "$GCC,$with_gnu_ld"; then
- archive_cmds='$CC -shared $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
- else
- archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'
- fi
- if test no = "$with_gnu_ld"; then
- hardcode_libdir_flag_spec='$wl+b $wl$libdir'
- hardcode_libdir_separator=:
- hardcode_direct=yes
- hardcode_direct_absolute=yes
- export_dynamic_flag_spec='$wl-E'
- # hardcode_minus_L: Not really in the search PATH,
- # but as the default location of the library.
- hardcode_minus_L=yes
- fi
- ;;
-
- hpux11*)
- if test yes,no = "$GCC,$with_gnu_ld"; then
- case $host_cpu in
- hppa*64*)
- archive_cmds='$CC -shared $wl+h $wl$soname -o $lib $libobjs $deplibs $compiler_flags'
- ;;
- ia64*)
- archive_cmds='$CC -shared $pic_flag $wl+h $wl$soname $wl+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
- ;;
- *)
- archive_cmds='$CC -shared $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
- ;;
- esac
- else
- case $host_cpu in
- hppa*64*)
- archive_cmds='$CC -b $wl+h $wl$soname -o $lib $libobjs $deplibs $compiler_flags'
- ;;
- ia64*)
- archive_cmds='$CC -b $wl+h $wl$soname $wl+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
- ;;
- *)
-
- # Older versions of the 11.00 compiler do not understand -b yet
- # (HP92453-01 A.11.01.20 doesn't, HP92453-01 B.11.X.35175-35176.GP does)
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC understands -b" >&5
-$as_echo_n "checking if $CC understands -b... " >&6; }
-if ${lt_cv_prog_compiler__b+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- lt_cv_prog_compiler__b=no
- save_LDFLAGS=$LDFLAGS
- LDFLAGS="$LDFLAGS -b"
- echo "$lt_simple_link_test_code" > conftest.$ac_ext
- if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then
- # The linker can only warn and ignore the option if not recognized
- # So say no if there are warnings
- if test -s conftest.err; then
- # Append any errors to the config.log.
- cat conftest.err 1>&5
- $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp
- $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
- if diff conftest.exp conftest.er2 >/dev/null; then
- lt_cv_prog_compiler__b=yes
- fi
- else
- lt_cv_prog_compiler__b=yes
- fi
- fi
- $RM -r conftest*
- LDFLAGS=$save_LDFLAGS
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler__b" >&5
-$as_echo "$lt_cv_prog_compiler__b" >&6; }
-
-if test yes = "$lt_cv_prog_compiler__b"; then
- archive_cmds='$CC -b $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
-else
- archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'
-fi
-
- ;;
- esac
- fi
- if test no = "$with_gnu_ld"; then
- hardcode_libdir_flag_spec='$wl+b $wl$libdir'
- hardcode_libdir_separator=:
-
- case $host_cpu in
- hppa*64*|ia64*)
- hardcode_direct=no
- hardcode_shlibpath_var=no
- ;;
- *)
- hardcode_direct=yes
- hardcode_direct_absolute=yes
- export_dynamic_flag_spec='$wl-E'
-
- # hardcode_minus_L: Not really in the search PATH,
- # but as the default location of the library.
- hardcode_minus_L=yes
- ;;
- esac
- fi
- ;;
-
- irix5* | irix6* | nonstopux*)
- if test yes = "$GCC"; then
- archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib'
- # Try to use the -exported_symbol ld option, if it does not
- # work, assume that -exports_file does not work either and
- # implicitly export all symbols.
- # This should be the same for all languages, so no per-tag cache variable.
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the $host_os linker accepts -exported_symbol" >&5
-$as_echo_n "checking whether the $host_os linker accepts -exported_symbol... " >&6; }
-if ${lt_cv_irix_exported_symbol+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- save_LDFLAGS=$LDFLAGS
- LDFLAGS="$LDFLAGS -shared $wl-exported_symbol ${wl}foo $wl-update_registry $wl/dev/null"
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-int foo (void) { return 0; }
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
- lt_cv_irix_exported_symbol=yes
-else
- lt_cv_irix_exported_symbol=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
- conftest$ac_exeext conftest.$ac_ext
- LDFLAGS=$save_LDFLAGS
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_irix_exported_symbol" >&5
-$as_echo "$lt_cv_irix_exported_symbol" >&6; }
- if test yes = "$lt_cv_irix_exported_symbol"; then
- archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations $wl-exports_file $wl$export_symbols -o $lib'
- fi
- else
- archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
- archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -exports_file $export_symbols -o $lib'
- fi
- archive_cmds_need_lc='no'
- hardcode_libdir_flag_spec='$wl-rpath $wl$libdir'
- hardcode_libdir_separator=:
- inherit_rpath=yes
- link_all_deplibs=yes
- ;;
-
- linux*)
- case $cc_basename in
- tcc*)
- # Fabrice Bellard et al's Tiny C Compiler
- ld_shlibs=yes
- archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
- ;;
- esac
- ;;
-
- netbsd*)
- if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
- archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out
- else
- archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF
- fi
- hardcode_libdir_flag_spec='-R$libdir'
- hardcode_direct=yes
- hardcode_shlibpath_var=no
- ;;
-
- newsos6)
- archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
- hardcode_direct=yes
- hardcode_libdir_flag_spec='$wl-rpath $wl$libdir'
- hardcode_libdir_separator=:
- hardcode_shlibpath_var=no
- ;;
-
- *nto* | *qnx*)
- ;;
-
- openbsd* | bitrig*)
- if test -f /usr/libexec/ld.so; then
- hardcode_direct=yes
- hardcode_shlibpath_var=no
- hardcode_direct_absolute=yes
- if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then
- archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
- archive_expsym_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags $wl-retain-symbols-file,$export_symbols'
- hardcode_libdir_flag_spec='$wl-rpath,$libdir'
- export_dynamic_flag_spec='$wl-E'
- else
- archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
- hardcode_libdir_flag_spec='$wl-rpath,$libdir'
- fi
- else
- ld_shlibs=no
- fi
- ;;
-
- os2*)
- hardcode_libdir_flag_spec='-L$libdir'
- hardcode_minus_L=yes
- allow_undefined_flag=unsupported
- shrext_cmds=.dll
- archive_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
- $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
- $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
- $ECHO EXPORTS >> $output_objdir/$libname.def~
- emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~
- $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
- emximp -o $lib $output_objdir/$libname.def'
- archive_expsym_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
- $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
- $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
- $ECHO EXPORTS >> $output_objdir/$libname.def~
- prefix_cmds="$SED"~
- if test EXPORTS = "`$SED 1q $export_symbols`"; then
- prefix_cmds="$prefix_cmds -e 1d";
- fi~
- prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~
- cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~
- $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
- emximp -o $lib $output_objdir/$libname.def'
- old_archive_From_new_cmds='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def'
- enable_shared_with_static_runtimes=yes
- ;;
-
- osf3*)
- if test yes = "$GCC"; then
- allow_undefined_flag=' $wl-expect_unresolved $wl\*'
- archive_cmds='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib'
- else
- allow_undefined_flag=' -expect_unresolved \*'
- archive_cmds='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
- fi
- archive_cmds_need_lc='no'
- hardcode_libdir_flag_spec='$wl-rpath $wl$libdir'
- hardcode_libdir_separator=:
- ;;
-
- osf4* | osf5*) # as osf3* with the addition of -msym flag
- if test yes = "$GCC"; then
- allow_undefined_flag=' $wl-expect_unresolved $wl\*'
- archive_cmds='$CC -shared$allow_undefined_flag $pic_flag $libobjs $deplibs $compiler_flags $wl-msym $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib'
- hardcode_libdir_flag_spec='$wl-rpath $wl$libdir'
- else
- allow_undefined_flag=' -expect_unresolved \*'
- archive_cmds='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
- archive_expsym_cmds='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~
- $CC -shared$allow_undefined_flag $wl-input $wl$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib~$RM $lib.exp'
-
- # Both c and cxx compiler support -rpath directly
- hardcode_libdir_flag_spec='-rpath $libdir'
- fi
- archive_cmds_need_lc='no'
- hardcode_libdir_separator=:
- ;;
-
- solaris*)
- no_undefined_flag=' -z defs'
- if test yes = "$GCC"; then
- wlarc='$wl'
- archive_cmds='$CC -shared $pic_flag $wl-z ${wl}text $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags'
- archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
- $CC -shared $pic_flag $wl-z ${wl}text $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp'
- else
- case `$CC -V 2>&1` in
- *"Compilers 5.0"*)
- wlarc=''
- archive_cmds='$LD -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $linker_flags'
- archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
- $LD -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp'
- ;;
- *)
- wlarc='$wl'
- archive_cmds='$CC -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $compiler_flags'
- archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
- $CC -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp'
- ;;
- esac
- fi
- hardcode_libdir_flag_spec='-R$libdir'
- hardcode_shlibpath_var=no
- case $host_os in
- solaris2.[0-5] | solaris2.[0-5].*) ;;
- *)
- # The compiler driver will combine and reorder linker options,
- # but understands '-z linker_flag'. GCC discards it without '$wl',
- # but is careful enough not to reorder.
- # Supported since Solaris 2.6 (maybe 2.5.1?)
- if test yes = "$GCC"; then
- whole_archive_flag_spec='$wl-z ${wl}allextract$convenience $wl-z ${wl}defaultextract'
- else
- whole_archive_flag_spec='-z allextract$convenience -z defaultextract'
- fi
- ;;
- esac
- link_all_deplibs=yes
- ;;
-
- sunos4*)
- if test sequent = "$host_vendor"; then
- # Use $CC to link under sequent, because it throws in some extra .o
- # files that make .init and .fini sections work.
- archive_cmds='$CC -G $wl-h $soname -o $lib $libobjs $deplibs $compiler_flags'
- else
- archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags'
- fi
- hardcode_libdir_flag_spec='-L$libdir'
- hardcode_direct=yes
- hardcode_minus_L=yes
- hardcode_shlibpath_var=no
- ;;
-
- sysv4)
- case $host_vendor in
- sni)
- archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
- hardcode_direct=yes # is this really true???
- ;;
- siemens)
- ## LD is ld it makes a PLAMLIB
- ## CC just makes a GrossModule.
- archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags'
- reload_cmds='$CC -r -o $output$reload_objs'
- hardcode_direct=no
- ;;
- motorola)
- archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
- hardcode_direct=no #Motorola manual says yes, but my tests say they lie
- ;;
- esac
- runpath_var='LD_RUN_PATH'
- hardcode_shlibpath_var=no
- ;;
-
- sysv4.3*)
- archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
- hardcode_shlibpath_var=no
- export_dynamic_flag_spec='-Bexport'
- ;;
-
- sysv4*MP*)
- if test -d /usr/nec; then
- archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
- hardcode_shlibpath_var=no
- runpath_var=LD_RUN_PATH
- hardcode_runpath_var=yes
- ld_shlibs=yes
- fi
- ;;
-
- sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7* | sco3.2v5.0.[024]*)
- no_undefined_flag='$wl-z,text'
- archive_cmds_need_lc=no
- hardcode_shlibpath_var=no
- runpath_var='LD_RUN_PATH'
-
- if test yes = "$GCC"; then
- archive_cmds='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
- archive_expsym_cmds='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
- else
- archive_cmds='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
- archive_expsym_cmds='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
- fi
- ;;
-
- sysv5* | sco3.2v5* | sco5v6*)
- # Note: We CANNOT use -z defs as we might desire, because we do not
- # link with -lc, and that would cause any symbols used from libc to
- # always be unresolved, which means just about no library would
- # ever link correctly. If we're not using GNU ld we use -z text
- # though, which does catch some bad symbols but isn't as heavy-handed
- # as -z defs.
- no_undefined_flag='$wl-z,text'
- allow_undefined_flag='$wl-z,nodefs'
- archive_cmds_need_lc=no
- hardcode_shlibpath_var=no
- hardcode_libdir_flag_spec='$wl-R,$libdir'
- hardcode_libdir_separator=':'
- link_all_deplibs=yes
- export_dynamic_flag_spec='$wl-Bexport'
- runpath_var='LD_RUN_PATH'
-
- if test yes = "$GCC"; then
- archive_cmds='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
- archive_expsym_cmds='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
- else
- archive_cmds='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
- archive_expsym_cmds='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
- fi
- ;;
-
- uts4*)
- archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
- hardcode_libdir_flag_spec='-L$libdir'
- hardcode_shlibpath_var=no
- ;;
-
- *)
- ld_shlibs=no
- ;;
- esac
-
- if test sni = "$host_vendor"; then
- case $host in
- sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
- export_dynamic_flag_spec='$wl-Blargedynsym'
- ;;
- esac
- fi
- fi
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ld_shlibs" >&5
-$as_echo "$ld_shlibs" >&6; }
-test no = "$ld_shlibs" && can_build_shared=no
-
-with_gnu_ld=$with_gnu_ld
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-#
-# Do we need to explicitly link libc?
-#
-case "x$archive_cmds_need_lc" in
-x|xyes)
- # Assume -lc should be added
- archive_cmds_need_lc=yes
-
- if test yes,yes = "$GCC,$enable_shared"; then
- case $archive_cmds in
- *'~'*)
- # FIXME: we may have to deal with multi-command sequences.
- ;;
- '$CC '*)
- # Test whether the compiler implicitly links with -lc since on some
- # systems, -lgcc has to come before -lc. If gcc already passes -lc
- # to ld, don't add -lc before -lgcc.
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -lc should be explicitly linked in" >&5
-$as_echo_n "checking whether -lc should be explicitly linked in... " >&6; }
-if ${lt_cv_archive_cmds_need_lc+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- $RM conftest*
- echo "$lt_simple_compile_test_code" > conftest.$ac_ext
-
- if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
- (eval $ac_compile) 2>&5
- ac_status=$?
- $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
- test $ac_status = 0; } 2>conftest.err; then
- soname=conftest
- lib=conftest
- libobjs=conftest.$ac_objext
- deplibs=
- wl=$lt_prog_compiler_wl
- pic_flag=$lt_prog_compiler_pic
- compiler_flags=-v
- linker_flags=-v
- verstring=
- output_objdir=.
- libname=conftest
- lt_save_allow_undefined_flag=$allow_undefined_flag
- allow_undefined_flag=
- if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$archive_cmds 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1\""; } >&5
- (eval $archive_cmds 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1) 2>&5
- ac_status=$?
- $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
- test $ac_status = 0; }
- then
- lt_cv_archive_cmds_need_lc=no
- else
- lt_cv_archive_cmds_need_lc=yes
- fi
- allow_undefined_flag=$lt_save_allow_undefined_flag
- else
- cat conftest.err 1>&5
- fi
- $RM conftest*
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_archive_cmds_need_lc" >&5
-$as_echo "$lt_cv_archive_cmds_need_lc" >&6; }
- archive_cmds_need_lc=$lt_cv_archive_cmds_need_lc
- ;;
- esac
- fi
- ;;
-esac
-
-
-
-
-
-
-
-
-
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-
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-
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking dynamic linker characteristics" >&5
-$as_echo_n "checking dynamic linker characteristics... " >&6; }
-
-if test yes = "$GCC"; then
- case $host_os in
- darwin*) lt_awk_arg='/^libraries:/,/LR/' ;;
- *) lt_awk_arg='/^libraries:/' ;;
- esac
- case $host_os in
- mingw* | cegcc*) lt_sed_strip_eq='s|=\([A-Za-z]:\)|\1|g' ;;
- *) lt_sed_strip_eq='s|=/|/|g' ;;
- esac
- lt_search_path_spec=`$CC -print-search-dirs | awk $lt_awk_arg | $SED -e "s/^libraries://" -e $lt_sed_strip_eq`
- case $lt_search_path_spec in
- *\;*)
- # if the path contains ";" then we assume it to be the separator
- # otherwise default to the standard path separator (i.e. ":") - it is
- # assumed that no part of a normal pathname contains ";" but that should
- # okay in the real world where ";" in dirpaths is itself problematic.
- lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED 's/;/ /g'`
- ;;
- *)
- lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED "s/$PATH_SEPARATOR/ /g"`
- ;;
- esac
- # Ok, now we have the path, separated by spaces, we can step through it
- # and add multilib dir if necessary...
- lt_tmp_lt_search_path_spec=
- lt_multi_os_dir=/`$CC $CPPFLAGS $CFLAGS $LDFLAGS -print-multi-os-directory 2>/dev/null`
- # ...but if some path component already ends with the multilib dir we assume
- # that all is fine and trust -print-search-dirs as is (GCC 4.2? or newer).
- case "$lt_multi_os_dir; $lt_search_path_spec " in
- "/; "* | "/.; "* | "/./; "* | *"$lt_multi_os_dir "* | *"$lt_multi_os_dir/ "*)
- lt_multi_os_dir=
- ;;
- esac
- for lt_sys_path in $lt_search_path_spec; do
- if test -d "$lt_sys_path$lt_multi_os_dir"; then
- lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path$lt_multi_os_dir"
- elif test -n "$lt_multi_os_dir"; then
- test -d "$lt_sys_path" && \
- lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path"
- fi
- done
- lt_search_path_spec=`$ECHO "$lt_tmp_lt_search_path_spec" | awk '
-BEGIN {RS = " "; FS = "/|\n";} {
- lt_foo = "";
- lt_count = 0;
- for (lt_i = NF; lt_i > 0; lt_i--) {
- if ($lt_i != "" && $lt_i != ".") {
- if ($lt_i == "..") {
- lt_count++;
- } else {
- if (lt_count == 0) {
- lt_foo = "/" $lt_i lt_foo;
- } else {
- lt_count--;
- }
- }
- }
- }
- if (lt_foo != "") { lt_freq[lt_foo]++; }
- if (lt_freq[lt_foo] == 1) { print lt_foo; }
-}'`
- # AWK program above erroneously prepends '/' to C:/dos/paths
- # for these hosts.
- case $host_os in
- mingw* | cegcc*) lt_search_path_spec=`$ECHO "$lt_search_path_spec" |\
- $SED 's|/\([A-Za-z]:\)|\1|g'` ;;
- esac
- sys_lib_search_path_spec=`$ECHO "$lt_search_path_spec" | $lt_NL2SP`
-else
- sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
-fi
-library_names_spec=
-libname_spec='lib$name'
-soname_spec=
-shrext_cmds=.so
-postinstall_cmds=
-postuninstall_cmds=
-finish_cmds=
-finish_eval=
-shlibpath_var=
-shlibpath_overrides_runpath=unknown
-version_type=none
-dynamic_linker="$host_os ld.so"
-sys_lib_dlsearch_path_spec="/lib /usr/lib"
-need_lib_prefix=unknown
-hardcode_into_libs=no
-
-# when you set need_version to no, make sure it does not cause -set_version
-# flags to be left without arguments
-need_version=unknown
-
-
-
-case $host_os in
-aix3*)
- version_type=linux # correct to gnu/linux during the next big refactor
- library_names_spec='$libname$release$shared_ext$versuffix $libname.a'
- shlibpath_var=LIBPATH
-
- # AIX 3 has no versioning support, so we append a major version to the name.
- soname_spec='$libname$release$shared_ext$major'
- ;;
-
-aix[4-9]*)
- version_type=linux # correct to gnu/linux during the next big refactor
- need_lib_prefix=no
- need_version=no
- hardcode_into_libs=yes
- if test ia64 = "$host_cpu"; then
- # AIX 5 supports IA64
- library_names_spec='$libname$release$shared_ext$major $libname$release$shared_ext$versuffix $libname$shared_ext'
- shlibpath_var=LD_LIBRARY_PATH
- else
- # With GCC up to 2.95.x, collect2 would create an import file
- # for dependence libraries. The import file would start with
- # the line '#! .'. This would cause the generated library to
- # depend on '.', always an invalid library. This was fixed in
- # development snapshots of GCC prior to 3.0.
- case $host_os in
- aix4 | aix4.[01] | aix4.[01].*)
- if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)'
- echo ' yes '
- echo '#endif'; } | $CC -E - | $GREP yes > /dev/null; then
- :
- else
- can_build_shared=no
- fi
- ;;
- esac
- # Using Import Files as archive members, it is possible to support
- # filename-based versioning of shared library archives on AIX. While
- # this would work for both with and without runtime linking, it will
- # prevent static linking of such archives. So we do filename-based
- # shared library versioning with .so extension only, which is used
- # when both runtime linking and shared linking is enabled.
- # Unfortunately, runtime linking may impact performance, so we do
- # not want this to be the default eventually. Also, we use the
- # versioned .so libs for executables only if there is the -brtl
- # linker flag in LDFLAGS as well, or --with-aix-soname=svr4 only.
- # To allow for filename-based versioning support, we need to create
- # libNAME.so.V as an archive file, containing:
- # *) an Import File, referring to the versioned filename of the
- # archive as well as the shared archive member, telling the
- # bitwidth (32 or 64) of that shared object, and providing the
- # list of exported symbols of that shared object, eventually
- # decorated with the 'weak' keyword
- # *) the shared object with the F_LOADONLY flag set, to really avoid
- # it being seen by the linker.
- # At run time we better use the real file rather than another symlink,
- # but for link time we create the symlink libNAME.so -> libNAME.so.V
-
- case $with_aix_soname,$aix_use_runtimelinking in
- # AIX (on Power*) has no versioning support, so currently we cannot hardcode correct
- # soname into executable. Probably we can add versioning support to
- # collect2, so additional links can be useful in future.
- aix,yes) # traditional libtool
- dynamic_linker='AIX unversionable lib.so'
- # If using run time linking (on AIX 4.2 or later) use lib<name>.so
- # instead of lib<name>.a to let people know that these are not
- # typical AIX shared libraries.
- library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
- ;;
- aix,no) # traditional AIX only
- dynamic_linker='AIX lib.a(lib.so.V)'
- # We preserve .a as extension for shared libraries through AIX4.2
- # and later when we are not doing run time linking.
- library_names_spec='$libname$release.a $libname.a'
- soname_spec='$libname$release$shared_ext$major'
- ;;
- svr4,*) # full svr4 only
- dynamic_linker="AIX lib.so.V($shared_archive_member_spec.o)"
- library_names_spec='$libname$release$shared_ext$major $libname$shared_ext'
- # We do not specify a path in Import Files, so LIBPATH fires.
- shlibpath_overrides_runpath=yes
- ;;
- *,yes) # both, prefer svr4
- dynamic_linker="AIX lib.so.V($shared_archive_member_spec.o), lib.a(lib.so.V)"
- library_names_spec='$libname$release$shared_ext$major $libname$shared_ext'
- # unpreferred sharedlib libNAME.a needs extra handling
- postinstall_cmds='test -n "$linkname" || linkname="$realname"~func_stripname "" ".so" "$linkname"~$install_shared_prog "$dir/$func_stripname_result.$libext" "$destdir/$func_stripname_result.$libext"~test -z "$tstripme" || test -z "$striplib" || $striplib "$destdir/$func_stripname_result.$libext"'
- postuninstall_cmds='for n in $library_names $old_library; do :; done~func_stripname "" ".so" "$n"~test "$func_stripname_result" = "$n" || func_append rmfiles " $odir/$func_stripname_result.$libext"'
- # We do not specify a path in Import Files, so LIBPATH fires.
- shlibpath_overrides_runpath=yes
- ;;
- *,no) # both, prefer aix
- dynamic_linker="AIX lib.a(lib.so.V), lib.so.V($shared_archive_member_spec.o)"
- library_names_spec='$libname$release.a $libname.a'
- soname_spec='$libname$release$shared_ext$major'
- # unpreferred sharedlib libNAME.so.V and symlink libNAME.so need extra handling
- postinstall_cmds='test -z "$dlname" || $install_shared_prog $dir/$dlname $destdir/$dlname~test -z "$tstripme" || test -z "$striplib" || $striplib $destdir/$dlname~test -n "$linkname" || linkname=$realname~func_stripname "" ".a" "$linkname"~(cd "$destdir" && $LN_S -f $dlname $func_stripname_result.so)'
- postuninstall_cmds='test -z "$dlname" || func_append rmfiles " $odir/$dlname"~for n in $old_library $library_names; do :; done~func_stripname "" ".a" "$n"~func_append rmfiles " $odir/$func_stripname_result.so"'
- ;;
- esac
- shlibpath_var=LIBPATH
- fi
- ;;
-
-amigaos*)
- case $host_cpu in
- powerpc)
- # Since July 2007 AmigaOS4 officially supports .so libraries.
- # When compiling the executable, add -use-dynld -Lsobjs: to the compileline.
- library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
- ;;
- m68k)
- library_names_spec='$libname.ixlibrary $libname.a'
- # Create ${libname}_ixlibrary.a entries in /sys/libs.
- finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`func_echo_all "$lib" | $SED '\''s%^.*/\([^/]*\)\.ixlibrary$%\1%'\''`; $RM /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done'
- ;;
- esac
- ;;
-
-beos*)
- library_names_spec='$libname$shared_ext'
- dynamic_linker="$host_os ld.so"
- shlibpath_var=LIBRARY_PATH
- ;;
-
-bsdi[45]*)
- version_type=linux # correct to gnu/linux during the next big refactor
- need_version=no
- library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
- soname_spec='$libname$release$shared_ext$major'
- finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir'
- shlibpath_var=LD_LIBRARY_PATH
- sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
- sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
- # the default ld.so.conf also contains /usr/contrib/lib and
- # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow
- # libtool to hard-code these into programs
- ;;
-
-cygwin* | mingw* | pw32* | cegcc*)
- version_type=windows
- shrext_cmds=.dll
- need_version=no
- need_lib_prefix=no
-
- case $GCC,$cc_basename in
- yes,*)
- # gcc
- library_names_spec='$libname.dll.a'
- # DLL is installed to $(libdir)/../bin by postinstall_cmds
- postinstall_cmds='base_file=`basename \$file`~
- dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; echo \$dlname'\''`~
- dldir=$destdir/`dirname \$dlpath`~
- test -d \$dldir || mkdir -p \$dldir~
- $install_prog $dir/$dlname \$dldir/$dlname~
- chmod a+x \$dldir/$dlname~
- if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then
- eval '\''$striplib \$dldir/$dlname'\'' || exit \$?;
- fi'
- postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~
- dlpath=$dir/\$dldll~
- $RM \$dlpath'
- shlibpath_overrides_runpath=yes
-
- case $host_os in
- cygwin*)
- # Cygwin DLLs use 'cyg' prefix rather than 'lib'
- soname_spec='`echo $libname | sed -e 's/^lib/cyg/'``echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext'
-
- sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/lib/w32api"
- ;;
- mingw* | cegcc*)
- # MinGW DLLs use traditional 'lib' prefix
- soname_spec='$libname`echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext'
- ;;
- pw32*)
- # pw32 DLLs use 'pw' prefix rather than 'lib'
- library_names_spec='`echo $libname | sed -e 's/^lib/pw/'``echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext'
- ;;
- esac
- dynamic_linker='Win32 ld.exe'
- ;;
-
- *,cl*)
- # Native MSVC
- libname_spec='$name'
- soname_spec='$libname`echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext'
- library_names_spec='$libname.dll.lib'
-
- case $build_os in
- mingw*)
- sys_lib_search_path_spec=
- lt_save_ifs=$IFS
- IFS=';'
- for lt_path in $LIB
- do
- IFS=$lt_save_ifs
- # Let DOS variable expansion print the short 8.3 style file name.
- lt_path=`cd "$lt_path" 2>/dev/null && cmd //C "for %i in (".") do @echo %~si"`
- sys_lib_search_path_spec="$sys_lib_search_path_spec $lt_path"
- done
- IFS=$lt_save_ifs
- # Convert to MSYS style.
- sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | sed -e 's|\\\\|/|g' -e 's| \\([a-zA-Z]\\):| /\\1|g' -e 's|^ ||'`
- ;;
- cygwin*)
- # Convert to unix form, then to dos form, then back to unix form
- # but this time dos style (no spaces!) so that the unix form looks
- # like /cygdrive/c/PROGRA~1:/cygdr...
- sys_lib_search_path_spec=`cygpath --path --unix "$LIB"`
- sys_lib_search_path_spec=`cygpath --path --dos "$sys_lib_search_path_spec" 2>/dev/null`
- sys_lib_search_path_spec=`cygpath --path --unix "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"`
- ;;
- *)
- sys_lib_search_path_spec=$LIB
- if $ECHO "$sys_lib_search_path_spec" | $GREP ';[c-zC-Z]:/' >/dev/null; then
- # It is most probably a Windows format PATH.
- sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'`
- else
- sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"`
- fi
- # FIXME: find the short name or the path components, as spaces are
- # common. (e.g. "Program Files" -> "PROGRA~1")
- ;;
- esac
-
- # DLL is installed to $(libdir)/../bin by postinstall_cmds
- postinstall_cmds='base_file=`basename \$file`~
- dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; echo \$dlname'\''`~
- dldir=$destdir/`dirname \$dlpath`~
- test -d \$dldir || mkdir -p \$dldir~
- $install_prog $dir/$dlname \$dldir/$dlname'
- postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~
- dlpath=$dir/\$dldll~
- $RM \$dlpath'
- shlibpath_overrides_runpath=yes
- dynamic_linker='Win32 link.exe'
- ;;
-
- *)
- # Assume MSVC wrapper
- library_names_spec='$libname`echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext $libname.lib'
- dynamic_linker='Win32 ld.exe'
- ;;
- esac
- # FIXME: first we should search . and the directory the executable is in
- shlibpath_var=PATH
- ;;
-
-darwin* | rhapsody*)
- dynamic_linker="$host_os dyld"
- version_type=darwin
- need_lib_prefix=no
- need_version=no
- library_names_spec='$libname$release$major$shared_ext $libname$shared_ext'
- soname_spec='$libname$release$major$shared_ext'
- shlibpath_overrides_runpath=yes
- shlibpath_var=DYLD_LIBRARY_PATH
- shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`'
-
- sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/local/lib"
- sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib'
- ;;
-
-dgux*)
- version_type=linux # correct to gnu/linux during the next big refactor
- need_lib_prefix=no
- need_version=no
- library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
- soname_spec='$libname$release$shared_ext$major'
- shlibpath_var=LD_LIBRARY_PATH
- ;;
-
-freebsd* | dragonfly*)
- # DragonFly does not have aout. When/if they implement a new
- # versioning mechanism, adjust this.
- if test -x /usr/bin/objformat; then
- objformat=`/usr/bin/objformat`
- else
- case $host_os in
- freebsd[23].*) objformat=aout ;;
- *) objformat=elf ;;
- esac
- fi
- version_type=freebsd-$objformat
- case $version_type in
- freebsd-elf*)
- library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
- soname_spec='$libname$release$shared_ext$major'
- need_version=no
- need_lib_prefix=no
- ;;
- freebsd-*)
- library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix'
- need_version=yes
- ;;
- esac
- shlibpath_var=LD_LIBRARY_PATH
- case $host_os in
- freebsd2.*)
- shlibpath_overrides_runpath=yes
- ;;
- freebsd3.[01]* | freebsdelf3.[01]*)
- shlibpath_overrides_runpath=yes
- hardcode_into_libs=yes
- ;;
- freebsd3.[2-9]* | freebsdelf3.[2-9]* | \
- freebsd4.[0-5] | freebsdelf4.[0-5] | freebsd4.1.1 | freebsdelf4.1.1)
- shlibpath_overrides_runpath=no
- hardcode_into_libs=yes
- ;;
- *) # from 4.6 on, and DragonFly
- shlibpath_overrides_runpath=yes
- hardcode_into_libs=yes
- ;;
- esac
- ;;
-
-haiku*)
- version_type=linux # correct to gnu/linux during the next big refactor
- need_lib_prefix=no
- need_version=no
- dynamic_linker="$host_os runtime_loader"
- library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
- soname_spec='$libname$release$shared_ext$major'
- shlibpath_var=LIBRARY_PATH
- shlibpath_overrides_runpath=no
- sys_lib_dlsearch_path_spec='/boot/home/config/lib /boot/common/lib /boot/system/lib'
- hardcode_into_libs=yes
- ;;
-
-hpux9* | hpux10* | hpux11*)
- # Give a soname corresponding to the major version so that dld.sl refuses to
- # link against other versions.
- version_type=sunos
- need_lib_prefix=no
- need_version=no
- case $host_cpu in
- ia64*)
- shrext_cmds='.so'
- hardcode_into_libs=yes
- dynamic_linker="$host_os dld.so"
- shlibpath_var=LD_LIBRARY_PATH
- shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
- library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
- soname_spec='$libname$release$shared_ext$major'
- if test 32 = "$HPUX_IA64_MODE"; then
- sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib"
- sys_lib_dlsearch_path_spec=/usr/lib/hpux32
- else
- sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64"
- sys_lib_dlsearch_path_spec=/usr/lib/hpux64
- fi
- ;;
- hppa*64*)
- shrext_cmds='.sl'
- hardcode_into_libs=yes
- dynamic_linker="$host_os dld.sl"
- shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH
- shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
- library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
- soname_spec='$libname$release$shared_ext$major'
- sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64"
- sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
- ;;
- *)
- shrext_cmds='.sl'
- dynamic_linker="$host_os dld.sl"
- shlibpath_var=SHLIB_PATH
- shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
- library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
- soname_spec='$libname$release$shared_ext$major'
- ;;
- esac
- # HP-UX runs *really* slowly unless shared libraries are mode 555, ...
- postinstall_cmds='chmod 555 $lib'
- # or fails outright, so override atomically:
- install_override_mode=555
- ;;
-
-interix[3-9]*)
- version_type=linux # correct to gnu/linux during the next big refactor
- need_lib_prefix=no
- need_version=no
- library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
- soname_spec='$libname$release$shared_ext$major'
- dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)'
- shlibpath_var=LD_LIBRARY_PATH
- shlibpath_overrides_runpath=no
- hardcode_into_libs=yes
- ;;
-
-irix5* | irix6* | nonstopux*)
- case $host_os in
- nonstopux*) version_type=nonstopux ;;
- *)
- if test yes = "$lt_cv_prog_gnu_ld"; then
- version_type=linux # correct to gnu/linux during the next big refactor
- else
- version_type=irix
- fi ;;
- esac
- need_lib_prefix=no
- need_version=no
- soname_spec='$libname$release$shared_ext$major'
- library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$release$shared_ext $libname$shared_ext'
- case $host_os in
- irix5* | nonstopux*)
- libsuff= shlibsuff=
- ;;
- *)
- case $LD in # libtool.m4 will add one of these switches to LD
- *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ")
- libsuff= shlibsuff= libmagic=32-bit;;
- *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ")
- libsuff=32 shlibsuff=N32 libmagic=N32;;
- *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ")
- libsuff=64 shlibsuff=64 libmagic=64-bit;;
- *) libsuff= shlibsuff= libmagic=never-match;;
- esac
- ;;
- esac
- shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
- shlibpath_overrides_runpath=no
- sys_lib_search_path_spec="/usr/lib$libsuff /lib$libsuff /usr/local/lib$libsuff"
- sys_lib_dlsearch_path_spec="/usr/lib$libsuff /lib$libsuff"
- hardcode_into_libs=yes
- ;;
-
-# No shared lib support for Linux oldld, aout, or coff.
-linux*oldld* | linux*aout* | linux*coff*)
- dynamic_linker=no
- ;;
-
-linux*android*)
- version_type=none # Android doesn't support versioned libraries.
- need_lib_prefix=no
- need_version=no
- library_names_spec='$libname$release$shared_ext'
- soname_spec='$libname$release$shared_ext'
- finish_cmds=
- shlibpath_var=LD_LIBRARY_PATH
- shlibpath_overrides_runpath=yes
-
- # This implies no fast_install, which is unacceptable.
- # Some rework will be needed to allow for fast_install
- # before this can be enabled.
- hardcode_into_libs=yes
-
- dynamic_linker='Android linker'
- # Don't embed -rpath directories since the linker doesn't support them.
- hardcode_libdir_flag_spec='-L$libdir'
- ;;
-
-# This must be glibc/ELF.
-linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
- version_type=linux # correct to gnu/linux during the next big refactor
- need_lib_prefix=no
- need_version=no
- library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
- soname_spec='$libname$release$shared_ext$major'
- finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
- shlibpath_var=LD_LIBRARY_PATH
- shlibpath_overrides_runpath=no
-
- # Some binutils ld are patched to set DT_RUNPATH
- if ${lt_cv_shlibpath_overrides_runpath+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- lt_cv_shlibpath_overrides_runpath=no
- save_LDFLAGS=$LDFLAGS
- save_libdir=$libdir
- eval "libdir=/foo; wl=\"$lt_prog_compiler_wl\"; \
- LDFLAGS=\"\$LDFLAGS $hardcode_libdir_flag_spec\""
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-
-int
-main ()
-{
-
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
- if ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null; then :
- lt_cv_shlibpath_overrides_runpath=yes
-fi
-fi
-rm -f core conftest.err conftest.$ac_objext \
- conftest$ac_exeext conftest.$ac_ext
- LDFLAGS=$save_LDFLAGS
- libdir=$save_libdir
-
-fi
-
- shlibpath_overrides_runpath=$lt_cv_shlibpath_overrides_runpath
-
- # This implies no fast_install, which is unacceptable.
- # Some rework will be needed to allow for fast_install
- # before this can be enabled.
- hardcode_into_libs=yes
-
- # Ideally, we could use ldconfig to report *all* directores which are
- # searched for libraries, however this is still not possible. Aside from not
- # being certain /sbin/ldconfig is available, command
- # 'ldconfig -N -X -v | grep ^/' on 64bit Fedora does not report /usr/lib64,
- # even though it is searched at run-time. Try to do the best guess by
- # appending ld.so.conf contents (and includes) to the search path.
- if test -f /etc/ld.so.conf; then
- lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '`
- sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra"
- fi
-
- # We used to test for /lib/ld.so.1 and disable shared libraries on
- # powerpc, because MkLinux only supported shared libraries with the
- # GNU dynamic linker. Since this was broken with cross compilers,
- # most powerpc-linux boxes support dynamic linking these days and
- # people can always --disable-shared, the test was removed, and we
- # assume the GNU/Linux dynamic linker is in use.
- dynamic_linker='GNU/Linux ld.so'
- ;;
-
-netbsd*)
- version_type=sunos
- need_lib_prefix=no
- need_version=no
- if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
- library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix'
- finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
- dynamic_linker='NetBSD (a.out) ld.so'
- else
- library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
- soname_spec='$libname$release$shared_ext$major'
- dynamic_linker='NetBSD ld.elf_so'
- fi
- shlibpath_var=LD_LIBRARY_PATH
- shlibpath_overrides_runpath=yes
- hardcode_into_libs=yes
- ;;
-
-newsos6)
- version_type=linux # correct to gnu/linux during the next big refactor
- library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
- shlibpath_var=LD_LIBRARY_PATH
- shlibpath_overrides_runpath=yes
- ;;
-
-*nto* | *qnx*)
- version_type=qnx
- need_lib_prefix=no
- need_version=no
- library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
- soname_spec='$libname$release$shared_ext$major'
- shlibpath_var=LD_LIBRARY_PATH
- shlibpath_overrides_runpath=no
- hardcode_into_libs=yes
- dynamic_linker='ldqnx.so'
- ;;
-
-openbsd* | bitrig*)
- version_type=sunos
- sys_lib_dlsearch_path_spec=/usr/lib
- need_lib_prefix=no
- if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then
- need_version=no
- else
- need_version=yes
- fi
- library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix'
- finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
- shlibpath_var=LD_LIBRARY_PATH
- shlibpath_overrides_runpath=yes
- ;;
-
-os2*)
- libname_spec='$name'
- version_type=windows
- shrext_cmds=.dll
- need_version=no
- need_lib_prefix=no
- # OS/2 can only load a DLL with a base name of 8 characters or less.
- soname_spec='`test -n "$os2dllname" && libname="$os2dllname";
- v=$($ECHO $release$versuffix | tr -d .-);
- n=$($ECHO $libname | cut -b -$((8 - ${#v})) | tr . _);
- $ECHO $n$v`$shared_ext'
- library_names_spec='${libname}_dll.$libext'
- dynamic_linker='OS/2 ld.exe'
- shlibpath_var=BEGINLIBPATH
- sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
- sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
- postinstall_cmds='base_file=`basename \$file`~
- dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; $ECHO \$dlname'\''`~
- dldir=$destdir/`dirname \$dlpath`~
- test -d \$dldir || mkdir -p \$dldir~
- $install_prog $dir/$dlname \$dldir/$dlname~
- chmod a+x \$dldir/$dlname~
- if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then
- eval '\''$striplib \$dldir/$dlname'\'' || exit \$?;
- fi'
- postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; $ECHO \$dlname'\''`~
- dlpath=$dir/\$dldll~
- $RM \$dlpath'
- ;;
-
-osf3* | osf4* | osf5*)
- version_type=osf
- need_lib_prefix=no
- need_version=no
- soname_spec='$libname$release$shared_ext$major'
- library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
- shlibpath_var=LD_LIBRARY_PATH
- sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
- sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
- ;;
-
-rdos*)
- dynamic_linker=no
- ;;
-
-solaris*)
- version_type=linux # correct to gnu/linux during the next big refactor
- need_lib_prefix=no
- need_version=no
- library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
- soname_spec='$libname$release$shared_ext$major'
- shlibpath_var=LD_LIBRARY_PATH
- shlibpath_overrides_runpath=yes
- hardcode_into_libs=yes
- # ldd complains unless libraries are executable
- postinstall_cmds='chmod +x $lib'
- ;;
-
-sunos4*)
- version_type=sunos
- library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix'
- finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
- shlibpath_var=LD_LIBRARY_PATH
- shlibpath_overrides_runpath=yes
- if test yes = "$with_gnu_ld"; then
- need_lib_prefix=no
- fi
- need_version=yes
- ;;
-
-sysv4 | sysv4.3*)
- version_type=linux # correct to gnu/linux during the next big refactor
- library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
- soname_spec='$libname$release$shared_ext$major'
- shlibpath_var=LD_LIBRARY_PATH
- case $host_vendor in
- sni)
- shlibpath_overrides_runpath=no
- need_lib_prefix=no
- runpath_var=LD_RUN_PATH
- ;;
- siemens)
- need_lib_prefix=no
- ;;
- motorola)
- need_lib_prefix=no
- need_version=no
- shlibpath_overrides_runpath=no
- sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
- ;;
- esac
- ;;
-
-sysv4*MP*)
- if test -d /usr/nec; then
- version_type=linux # correct to gnu/linux during the next big refactor
- library_names_spec='$libname$shared_ext.$versuffix $libname$shared_ext.$major $libname$shared_ext'
- soname_spec='$libname$shared_ext.$major'
- shlibpath_var=LD_LIBRARY_PATH
- fi
- ;;
-
-sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
- version_type=sco
- need_lib_prefix=no
- need_version=no
- library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext $libname$shared_ext'
- soname_spec='$libname$release$shared_ext$major'
- shlibpath_var=LD_LIBRARY_PATH
- shlibpath_overrides_runpath=yes
- hardcode_into_libs=yes
- if test yes = "$with_gnu_ld"; then
- sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib'
- else
- sys_lib_search_path_spec='/usr/ccs/lib /usr/lib'
- case $host_os in
- sco3.2v5*)
- sys_lib_search_path_spec="$sys_lib_search_path_spec /lib"
- ;;
- esac
- fi
- sys_lib_dlsearch_path_spec='/usr/lib'
- ;;
-
-tpf*)
- # TPF is a cross-target only. Preferred cross-host = GNU/Linux.
- version_type=linux # correct to gnu/linux during the next big refactor
- need_lib_prefix=no
- need_version=no
- library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
- shlibpath_var=LD_LIBRARY_PATH
- shlibpath_overrides_runpath=no
- hardcode_into_libs=yes
- ;;
-
-uts4*)
- version_type=linux # correct to gnu/linux during the next big refactor
- library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
- soname_spec='$libname$release$shared_ext$major'
- shlibpath_var=LD_LIBRARY_PATH
- ;;
-
-*)
- dynamic_linker=no
- ;;
-esac
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $dynamic_linker" >&5
-$as_echo "$dynamic_linker" >&6; }
-test no = "$dynamic_linker" && can_build_shared=no
-
-variables_saved_for_relink="PATH $shlibpath_var $runpath_var"
-if test yes = "$GCC"; then
- variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH"
-fi
-
-if test set = "${lt_cv_sys_lib_search_path_spec+set}"; then
- sys_lib_search_path_spec=$lt_cv_sys_lib_search_path_spec
-fi
-
-if test set = "${lt_cv_sys_lib_dlsearch_path_spec+set}"; then
- sys_lib_dlsearch_path_spec=$lt_cv_sys_lib_dlsearch_path_spec
-fi
-
-# remember unaugmented sys_lib_dlsearch_path content for libtool script decls...
-configure_time_dlsearch_path=$sys_lib_dlsearch_path_spec
-
-# ... but it needs LT_SYS_LIBRARY_PATH munging for other configure-time code
-func_munge_path_list sys_lib_dlsearch_path_spec "$LT_SYS_LIBRARY_PATH"
-
-# to be used as default LT_SYS_LIBRARY_PATH value in generated libtool
-configure_time_lt_sys_library_path=$LT_SYS_LIBRARY_PATH
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to hardcode library paths into programs" >&5
-$as_echo_n "checking how to hardcode library paths into programs... " >&6; }
-hardcode_action=
-if test -n "$hardcode_libdir_flag_spec" ||
- test -n "$runpath_var" ||
- test yes = "$hardcode_automatic"; then
-
- # We can hardcode non-existent directories.
- if test no != "$hardcode_direct" &&
- # If the only mechanism to avoid hardcoding is shlibpath_var, we
- # have to relink, otherwise we might link with an installed library
- # when we should be linking with a yet-to-be-installed one
- ## test no != "$_LT_TAGVAR(hardcode_shlibpath_var, )" &&
- test no != "$hardcode_minus_L"; then
- # Linking always hardcodes the temporary library directory.
- hardcode_action=relink
- else
- # We can link without hardcoding, and we can hardcode nonexisting dirs.
- hardcode_action=immediate
- fi
-else
- # We cannot hardcode anything, or else we can only hardcode existing
- # directories.
- hardcode_action=unsupported
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $hardcode_action" >&5
-$as_echo "$hardcode_action" >&6; }
-
-if test relink = "$hardcode_action" ||
- test yes = "$inherit_rpath"; then
- # Fast installation is not supported
- enable_fast_install=no
-elif test yes = "$shlibpath_overrides_runpath" ||
- test no = "$enable_shared"; then
- # Fast installation is not necessary
- enable_fast_install=needless
-fi
-
-
-
-
-
-
- if test yes != "$enable_dlopen"; then
- enable_dlopen=unknown
- enable_dlopen_self=unknown
- enable_dlopen_self_static=unknown
-else
- lt_cv_dlopen=no
- lt_cv_dlopen_libs=
-
- case $host_os in
- beos*)
- lt_cv_dlopen=load_add_on
- lt_cv_dlopen_libs=
- lt_cv_dlopen_self=yes
- ;;
-
- mingw* | pw32* | cegcc*)
- lt_cv_dlopen=LoadLibrary
- lt_cv_dlopen_libs=
- ;;
-
- cygwin*)
- lt_cv_dlopen=dlopen
- lt_cv_dlopen_libs=
- ;;
-
- darwin*)
- # if libdl is installed we need to link against it
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5
-$as_echo_n "checking for dlopen in -ldl... " >&6; }
-if ${ac_cv_lib_dl_dlopen+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- ac_check_lib_save_LIBS=$LIBS
-LIBS="-ldl $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-
-/* Override any GCC internal prototype to avoid an error.
- Use char because int might match the return type of a GCC
- builtin and then its argument prototype would still apply. */
-#ifdef __cplusplus
-extern "C"
-#endif
-char dlopen ();
-int
-main ()
-{
-return dlopen ();
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
- ac_cv_lib_dl_dlopen=yes
-else
- ac_cv_lib_dl_dlopen=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
- conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5
-$as_echo "$ac_cv_lib_dl_dlopen" >&6; }
-if test "x$ac_cv_lib_dl_dlopen" = xyes; then :
- lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl
-else
-
- lt_cv_dlopen=dyld
- lt_cv_dlopen_libs=
- lt_cv_dlopen_self=yes
-
-fi
-
- ;;
-
- tpf*)
- # Don't try to run any link tests for TPF. We know it's impossible
- # because TPF is a cross-compiler, and we know how we open DSOs.
- lt_cv_dlopen=dlopen
- lt_cv_dlopen_libs=
- lt_cv_dlopen_self=no
- ;;
-
- *)
- ac_fn_c_check_func "$LINENO" "shl_load" "ac_cv_func_shl_load"
-if test "x$ac_cv_func_shl_load" = xyes; then :
- lt_cv_dlopen=shl_load
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for shl_load in -ldld" >&5
-$as_echo_n "checking for shl_load in -ldld... " >&6; }
-if ${ac_cv_lib_dld_shl_load+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- ac_check_lib_save_LIBS=$LIBS
-LIBS="-ldld $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-
-/* Override any GCC internal prototype to avoid an error.
- Use char because int might match the return type of a GCC
- builtin and then its argument prototype would still apply. */
-#ifdef __cplusplus
-extern "C"
-#endif
-char shl_load ();
-int
-main ()
-{
-return shl_load ();
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
- ac_cv_lib_dld_shl_load=yes
-else
- ac_cv_lib_dld_shl_load=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
- conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_shl_load" >&5
-$as_echo "$ac_cv_lib_dld_shl_load" >&6; }
-if test "x$ac_cv_lib_dld_shl_load" = xyes; then :
- lt_cv_dlopen=shl_load lt_cv_dlopen_libs=-ldld
-else
- ac_fn_c_check_func "$LINENO" "dlopen" "ac_cv_func_dlopen"
-if test "x$ac_cv_func_dlopen" = xyes; then :
- lt_cv_dlopen=dlopen
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5
-$as_echo_n "checking for dlopen in -ldl... " >&6; }
-if ${ac_cv_lib_dl_dlopen+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- ac_check_lib_save_LIBS=$LIBS
-LIBS="-ldl $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-
-/* Override any GCC internal prototype to avoid an error.
- Use char because int might match the return type of a GCC
- builtin and then its argument prototype would still apply. */
-#ifdef __cplusplus
-extern "C"
-#endif
-char dlopen ();
-int
-main ()
-{
-return dlopen ();
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
- ac_cv_lib_dl_dlopen=yes
-else
- ac_cv_lib_dl_dlopen=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
- conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5
-$as_echo "$ac_cv_lib_dl_dlopen" >&6; }
-if test "x$ac_cv_lib_dl_dlopen" = xyes; then :
- lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -lsvld" >&5
-$as_echo_n "checking for dlopen in -lsvld... " >&6; }
-if ${ac_cv_lib_svld_dlopen+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- ac_check_lib_save_LIBS=$LIBS
-LIBS="-lsvld $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-
-/* Override any GCC internal prototype to avoid an error.
- Use char because int might match the return type of a GCC
- builtin and then its argument prototype would still apply. */
-#ifdef __cplusplus
-extern "C"
-#endif
-char dlopen ();
-int
-main ()
-{
-return dlopen ();
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
- ac_cv_lib_svld_dlopen=yes
-else
- ac_cv_lib_svld_dlopen=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
- conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_svld_dlopen" >&5
-$as_echo "$ac_cv_lib_svld_dlopen" >&6; }
-if test "x$ac_cv_lib_svld_dlopen" = xyes; then :
- lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-lsvld
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dld_link in -ldld" >&5
-$as_echo_n "checking for dld_link in -ldld... " >&6; }
-if ${ac_cv_lib_dld_dld_link+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- ac_check_lib_save_LIBS=$LIBS
-LIBS="-ldld $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-
-/* Override any GCC internal prototype to avoid an error.
- Use char because int might match the return type of a GCC
- builtin and then its argument prototype would still apply. */
-#ifdef __cplusplus
-extern "C"
-#endif
-char dld_link ();
-int
-main ()
-{
-return dld_link ();
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
- ac_cv_lib_dld_dld_link=yes
-else
- ac_cv_lib_dld_dld_link=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
- conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_dld_link" >&5
-$as_echo "$ac_cv_lib_dld_dld_link" >&6; }
-if test "x$ac_cv_lib_dld_dld_link" = xyes; then :
- lt_cv_dlopen=dld_link lt_cv_dlopen_libs=-ldld
-fi
-
-
-fi
-
-
-fi
-
-
-fi
-
-
-fi
-
-
-fi
-
- ;;
- esac
-
- if test no = "$lt_cv_dlopen"; then
- enable_dlopen=no
- else
- enable_dlopen=yes
- fi
-
- case $lt_cv_dlopen in
- dlopen)
- save_CPPFLAGS=$CPPFLAGS
- test yes = "$ac_cv_header_dlfcn_h" && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H"
-
- save_LDFLAGS=$LDFLAGS
- wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\"
-
- save_LIBS=$LIBS
- LIBS="$lt_cv_dlopen_libs $LIBS"
-
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether a program can dlopen itself" >&5
-$as_echo_n "checking whether a program can dlopen itself... " >&6; }
-if ${lt_cv_dlopen_self+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test yes = "$cross_compiling"; then :
- lt_cv_dlopen_self=cross
-else
- lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
- lt_status=$lt_dlunknown
- cat > conftest.$ac_ext <<_LT_EOF
-#line $LINENO "configure"
-#include "confdefs.h"
-
-#if HAVE_DLFCN_H
-#include <dlfcn.h>
-#endif
-
-#include <stdio.h>
-
-#ifdef RTLD_GLOBAL
-# define LT_DLGLOBAL RTLD_GLOBAL
-#else
-# ifdef DL_GLOBAL
-# define LT_DLGLOBAL DL_GLOBAL
-# else
-# define LT_DLGLOBAL 0
-# endif
-#endif
-
-/* We may have to define LT_DLLAZY_OR_NOW in the command line if we
- find out it does not work in some platform. */
-#ifndef LT_DLLAZY_OR_NOW
-# ifdef RTLD_LAZY
-# define LT_DLLAZY_OR_NOW RTLD_LAZY
-# else
-# ifdef DL_LAZY
-# define LT_DLLAZY_OR_NOW DL_LAZY
-# else
-# ifdef RTLD_NOW
-# define LT_DLLAZY_OR_NOW RTLD_NOW
-# else
-# ifdef DL_NOW
-# define LT_DLLAZY_OR_NOW DL_NOW
-# else
-# define LT_DLLAZY_OR_NOW 0
-# endif
-# endif
-# endif
-# endif
-#endif
-
-/* When -fvisibility=hidden is used, assume the code has been annotated
- correspondingly for the symbols needed. */
-#if defined __GNUC__ && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3))
-int fnord () __attribute__((visibility("default")));
-#endif
-
-int fnord () { return 42; }
-int main ()
-{
- void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW);
- int status = $lt_dlunknown;
-
- if (self)
- {
- if (dlsym (self,"fnord")) status = $lt_dlno_uscore;
- else
- {
- if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore;
- else puts (dlerror ());
- }
- /* dlclose (self); */
- }
- else
- puts (dlerror ());
-
- return status;
-}
-_LT_EOF
- if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5
- (eval $ac_link) 2>&5
- ac_status=$?
- $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
- test $ac_status = 0; } && test -s "conftest$ac_exeext" 2>/dev/null; then
- (./conftest; exit; ) >&5 2>/dev/null
- lt_status=$?
- case x$lt_status in
- x$lt_dlno_uscore) lt_cv_dlopen_self=yes ;;
- x$lt_dlneed_uscore) lt_cv_dlopen_self=yes ;;
- x$lt_dlunknown|x*) lt_cv_dlopen_self=no ;;
- esac
- else :
- # compilation failed
- lt_cv_dlopen_self=no
- fi
-fi
-rm -fr conftest*
-
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self" >&5
-$as_echo "$lt_cv_dlopen_self" >&6; }
-
- if test yes = "$lt_cv_dlopen_self"; then
- wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\"
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether a statically linked program can dlopen itself" >&5
-$as_echo_n "checking whether a statically linked program can dlopen itself... " >&6; }
-if ${lt_cv_dlopen_self_static+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test yes = "$cross_compiling"; then :
- lt_cv_dlopen_self_static=cross
-else
- lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
- lt_status=$lt_dlunknown
- cat > conftest.$ac_ext <<_LT_EOF
-#line $LINENO "configure"
-#include "confdefs.h"
-
-#if HAVE_DLFCN_H
-#include <dlfcn.h>
-#endif
-
-#include <stdio.h>
-
-#ifdef RTLD_GLOBAL
-# define LT_DLGLOBAL RTLD_GLOBAL
-#else
-# ifdef DL_GLOBAL
-# define LT_DLGLOBAL DL_GLOBAL
-# else
-# define LT_DLGLOBAL 0
-# endif
-#endif
-
-/* We may have to define LT_DLLAZY_OR_NOW in the command line if we
- find out it does not work in some platform. */
-#ifndef LT_DLLAZY_OR_NOW
-# ifdef RTLD_LAZY
-# define LT_DLLAZY_OR_NOW RTLD_LAZY
-# else
-# ifdef DL_LAZY
-# define LT_DLLAZY_OR_NOW DL_LAZY
-# else
-# ifdef RTLD_NOW
-# define LT_DLLAZY_OR_NOW RTLD_NOW
-# else
-# ifdef DL_NOW
-# define LT_DLLAZY_OR_NOW DL_NOW
-# else
-# define LT_DLLAZY_OR_NOW 0
-# endif
-# endif
-# endif
-# endif
-#endif
-
-/* When -fvisibility=hidden is used, assume the code has been annotated
- correspondingly for the symbols needed. */
-#if defined __GNUC__ && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3))
-int fnord () __attribute__((visibility("default")));
-#endif
-
-int fnord () { return 42; }
-int main ()
-{
- void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW);
- int status = $lt_dlunknown;
-
- if (self)
- {
- if (dlsym (self,"fnord")) status = $lt_dlno_uscore;
- else
- {
- if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore;
- else puts (dlerror ());
- }
- /* dlclose (self); */
- }
- else
- puts (dlerror ());
-
- return status;
-}
-_LT_EOF
- if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5
- (eval $ac_link) 2>&5
- ac_status=$?
- $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
- test $ac_status = 0; } && test -s "conftest$ac_exeext" 2>/dev/null; then
- (./conftest; exit; ) >&5 2>/dev/null
- lt_status=$?
- case x$lt_status in
- x$lt_dlno_uscore) lt_cv_dlopen_self_static=yes ;;
- x$lt_dlneed_uscore) lt_cv_dlopen_self_static=yes ;;
- x$lt_dlunknown|x*) lt_cv_dlopen_self_static=no ;;
- esac
- else :
- # compilation failed
- lt_cv_dlopen_self_static=no
- fi
-fi
-rm -fr conftest*
-
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self_static" >&5
-$as_echo "$lt_cv_dlopen_self_static" >&6; }
- fi
-
- CPPFLAGS=$save_CPPFLAGS
- LDFLAGS=$save_LDFLAGS
- LIBS=$save_LIBS
- ;;
- esac
-
- case $lt_cv_dlopen_self in
- yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;;
- *) enable_dlopen_self=unknown ;;
- esac
-
- case $lt_cv_dlopen_self_static in
- yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;;
- *) enable_dlopen_self_static=unknown ;;
- esac
-fi
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-striplib=
-old_striplib=
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether stripping libraries is possible" >&5
-$as_echo_n "checking whether stripping libraries is possible... " >&6; }
-if test -n "$STRIP" && $STRIP -V 2>&1 | $GREP "GNU strip" >/dev/null; then
- test -z "$old_striplib" && old_striplib="$STRIP --strip-debug"
- test -z "$striplib" && striplib="$STRIP --strip-unneeded"
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-else
-# FIXME - insert some real tests, host_os isn't really good enough
- case $host_os in
- darwin*)
- if test -n "$STRIP"; then
- striplib="$STRIP -x"
- old_striplib="$STRIP -S"
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
- else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
- fi
- ;;
- *)
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
- ;;
- esac
-fi
-
-
-
-
-
-
-
-
-
-
-
-
- # Report what library types will actually be built
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking if libtool supports shared libraries" >&5
-$as_echo_n "checking if libtool supports shared libraries... " >&6; }
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $can_build_shared" >&5
-$as_echo "$can_build_shared" >&6; }
-
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to build shared libraries" >&5
-$as_echo_n "checking whether to build shared libraries... " >&6; }
- test no = "$can_build_shared" && enable_shared=no
-
- # On AIX, shared libraries and static libraries use the same namespace, and
- # are all built from PIC.
- case $host_os in
- aix3*)
- test yes = "$enable_shared" && enable_static=no
- if test -n "$RANLIB"; then
- archive_cmds="$archive_cmds~\$RANLIB \$lib"
- postinstall_cmds='$RANLIB $lib'
- fi
- ;;
-
- aix[4-9]*)
- if test ia64 != "$host_cpu"; then
- case $enable_shared,$with_aix_soname,$aix_use_runtimelinking in
- yes,aix,yes) ;; # shared object as lib.so file only
- yes,svr4,*) ;; # shared object as lib.so archive member only
- yes,*) enable_static=no ;; # shared object in lib.a archive as well
- esac
- fi
- ;;
- esac
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_shared" >&5
-$as_echo "$enable_shared" >&6; }
-
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to build static libraries" >&5
-$as_echo_n "checking whether to build static libraries... " >&6; }
- # Make sure either enable_shared or enable_static is yes.
- test yes = "$enable_shared" || enable_static=yes
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_static" >&5
-$as_echo "$enable_static" >&6; }
-
-
-
-
-fi
-ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-
-CC=$lt_save_CC
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
- ac_config_commands="$ac_config_commands libtool"
-
-
-
-
-# Only expand once:
-
-
-
-# The cast to long int works around a bug in the HP C Compiler
-# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
-# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
-# This bug is HP SR number 8606223364.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of void *" >&5
-$as_echo_n "checking size of void *... " >&6; }
-if ${ac_cv_sizeof_void_p+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (void *))" "ac_cv_sizeof_void_p" "$ac_includes_default"; then :
-
-else
- if test "$ac_cv_type_void_p" = yes; then
- { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error 77 "cannot compute sizeof (void *)
-See \`config.log' for more details" "$LINENO" 5; }
- else
- ac_cv_sizeof_void_p=0
- fi
-fi
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_void_p" >&5
-$as_echo "$ac_cv_sizeof_void_p" >&6; }
-
-
-
-cat >>confdefs.h <<_ACEOF
-#define SIZEOF_VOID_P $ac_cv_sizeof_void_p
-_ACEOF
-
-
-case $host:$ac_cv_sizeof_void_p in #(
- *-*-mingw*:4) :
- kpse_dll_name=texlua ;; #(
- *-*-mingw*:8) :
- kpse_dll_name=texlua ;; #(
- *-*-cygwin:4) :
- kpse_dll_name= ;; #(
- *-*-cygwin:8) :
- kpse_dll_name= ;; #(
- *) :
- kpse_dll_name= ;;
-esac
-
-
-
-
-
-ac_config_headers="$ac_config_headers config.h"
-
- if test "x$enable_build" != xno; then
- build_TRUE=
- build_FALSE='#'
-else
- build_TRUE='#'
- build_FALSE=
-fi
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing pow" >&5
-$as_echo_n "checking for library containing pow... " >&6; }
-if ${ac_cv_search_pow+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- ac_func_search_save_LIBS=$LIBS
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-
-/* Override any GCC internal prototype to avoid an error.
- Use char because int might match the return type of a GCC
- builtin and then its argument prototype would still apply. */
-#ifdef __cplusplus
-extern "C"
-#endif
-char pow ();
-int
-main ()
-{
-return pow ();
- ;
- return 0;
-}
-_ACEOF
-for ac_lib in '' m; do
- if test -z "$ac_lib"; then
- ac_res="none required"
- else
- ac_res=-l$ac_lib
- LIBS="-l$ac_lib $ac_func_search_save_LIBS"
- fi
- if ac_fn_c_try_link "$LINENO"; then :
- ac_cv_search_pow=$ac_res
-fi
-rm -f core conftest.err conftest.$ac_objext \
- conftest$ac_exeext
- if ${ac_cv_search_pow+:} false; then :
- break
-fi
-done
-if ${ac_cv_search_pow+:} false; then :
-
-else
- ac_cv_search_pow=no
-fi
-rm conftest.$ac_ext
-LIBS=$ac_func_search_save_LIBS
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_pow" >&5
-$as_echo "$ac_cv_search_pow" >&6; }
-ac_res=$ac_cv_search_pow
-if test "$ac_res" != no; then :
- test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
-
-fi
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for native WIN32 or MINGW32" >&5
-$as_echo_n "checking for native WIN32 or MINGW32... " >&6; }
-if ${kpse_cv_have_win32+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#ifndef WIN32
- choke me
-#endif
-int
-main ()
-{
-
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#ifndef __MINGW32__
- choke me
-#endif
-int
-main ()
-{
-
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
- kpse_cv_have_win32=mingw32
-else
- kpse_cv_have_win32=native
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-else
- kpse_cv_have_win32=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $kpse_cv_have_win32" >&5
-$as_echo "$kpse_cv_have_win32" >&6; }
-
-LUA53_DEFINES='-DLUA_COMPAT_MODULE -DLUA_COMPAT_5_2 -DLUAI_HASHLIMIT=6'
-
-if test "x$kpse_cv_have_win32" = xno; then
- LUA53_DEFINES="$LUA53_DEFINES -DLUA_USE_POSIX"
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing dlopen" >&5
-$as_echo_n "checking for library containing dlopen... " >&6; }
-if ${ac_cv_search_dlopen+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- ac_func_search_save_LIBS=$LIBS
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-
-/* Override any GCC internal prototype to avoid an error.
- Use char because int might match the return type of a GCC
- builtin and then its argument prototype would still apply. */
-#ifdef __cplusplus
-extern "C"
-#endif
-char dlopen ();
-int
-main ()
-{
-return dlopen ();
- ;
- return 0;
-}
-_ACEOF
-for ac_lib in '' dl; do
- if test -z "$ac_lib"; then
- ac_res="none required"
- else
- ac_res=-l$ac_lib
- LIBS="-l$ac_lib $ac_func_search_save_LIBS"
- fi
- if ac_fn_c_try_link "$LINENO"; then :
- ac_cv_search_dlopen=$ac_res
-fi
-rm -f core conftest.err conftest.$ac_objext \
- conftest$ac_exeext
- if ${ac_cv_search_dlopen+:} false; then :
- break
-fi
-done
-if ${ac_cv_search_dlopen+:} false; then :
-
-else
- ac_cv_search_dlopen=no
-fi
-rm conftest.$ac_ext
-LIBS=$ac_func_search_save_LIBS
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dlopen" >&5
-$as_echo "$ac_cv_search_dlopen" >&6; }
-ac_res=$ac_cv_search_dlopen
-if test "$ac_res" != no; then :
- test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
-
-fi
-
- if test "x$ac_cv_search_dlopen" != xno; then
- ac_fn_c_check_header_compile "$LINENO" "dlfcn.h" "ac_cv_header_dlfcn_h" "$ac_includes_default
-"
-if test "x$ac_cv_header_dlfcn_h" = xyes; then :
- LUA53_DEFINES="$LUA53_DEFINES -DLUA_USE_DLOPEN"
-fi
-
-
- fi
-fi
-
-# Check whether --enable-largefile was given.
-if test "${enable_largefile+set}" = set; then :
- enableval=$enable_largefile;
-fi
-
-if test "$enable_largefile" != no; then
-
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for special C compiler options needed for large files" >&5
-$as_echo_n "checking for special C compiler options needed for large files... " >&6; }
-if ${ac_cv_sys_largefile_CC+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- ac_cv_sys_largefile_CC=no
- if test "$GCC" != yes; then
- ac_save_CC=$CC
- while :; do
- # IRIX 6.2 and later do not support large files by default,
- # so use the C compiler's -n32 option if that helps.
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#include <sys/types.h>
- /* Check that off_t can represent 2**63 - 1 correctly.
- We can't simply define LARGE_OFF_T to be 9223372036854775807,
- since some C++ compilers masquerading as C compilers
- incorrectly reject 9223372036854775807. */
-#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
- int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
- && LARGE_OFF_T % 2147483647 == 1)
- ? 1 : -1];
-int
-main ()
-{
-
- ;
- return 0;
-}
-_ACEOF
- if ac_fn_c_try_compile "$LINENO"; then :
- break
-fi
-rm -f core conftest.err conftest.$ac_objext
- CC="$CC -n32"
- if ac_fn_c_try_compile "$LINENO"; then :
- ac_cv_sys_largefile_CC=' -n32'; break
-fi
-rm -f core conftest.err conftest.$ac_objext
- break
- done
- CC=$ac_save_CC
- rm -f conftest.$ac_ext
- fi
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_largefile_CC" >&5
-$as_echo "$ac_cv_sys_largefile_CC" >&6; }
- if test "$ac_cv_sys_largefile_CC" != no; then
- CC=$CC$ac_cv_sys_largefile_CC
- fi
-
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _FILE_OFFSET_BITS value needed for large files" >&5
-$as_echo_n "checking for _FILE_OFFSET_BITS value needed for large files... " >&6; }
-if ${ac_cv_sys_file_offset_bits+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- while :; do
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#include <sys/types.h>
- /* Check that off_t can represent 2**63 - 1 correctly.
- We can't simply define LARGE_OFF_T to be 9223372036854775807,
- since some C++ compilers masquerading as C compilers
- incorrectly reject 9223372036854775807. */
-#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
- int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
- && LARGE_OFF_T % 2147483647 == 1)
- ? 1 : -1];
-int
-main ()
-{
-
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
- ac_cv_sys_file_offset_bits=no; break
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#define _FILE_OFFSET_BITS 64
-#include <sys/types.h>
- /* Check that off_t can represent 2**63 - 1 correctly.
- We can't simply define LARGE_OFF_T to be 9223372036854775807,
- since some C++ compilers masquerading as C compilers
- incorrectly reject 9223372036854775807. */
-#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
- int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
- && LARGE_OFF_T % 2147483647 == 1)
- ? 1 : -1];
-int
-main ()
-{
-
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
- ac_cv_sys_file_offset_bits=64; break
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
- ac_cv_sys_file_offset_bits=unknown
- break
-done
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_file_offset_bits" >&5
-$as_echo "$ac_cv_sys_file_offset_bits" >&6; }
-case $ac_cv_sys_file_offset_bits in #(
- no | unknown) ;;
- *)
-cat >>confdefs.h <<_ACEOF
-#define _FILE_OFFSET_BITS $ac_cv_sys_file_offset_bits
-_ACEOF
-;;
-esac
-rm -rf conftest*
- if test $ac_cv_sys_file_offset_bits = unknown; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _LARGE_FILES value needed for large files" >&5
-$as_echo_n "checking for _LARGE_FILES value needed for large files... " >&6; }
-if ${ac_cv_sys_large_files+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- while :; do
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#include <sys/types.h>
- /* Check that off_t can represent 2**63 - 1 correctly.
- We can't simply define LARGE_OFF_T to be 9223372036854775807,
- since some C++ compilers masquerading as C compilers
- incorrectly reject 9223372036854775807. */
-#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
- int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
- && LARGE_OFF_T % 2147483647 == 1)
- ? 1 : -1];
-int
-main ()
-{
-
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
- ac_cv_sys_large_files=no; break
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#define _LARGE_FILES 1
-#include <sys/types.h>
- /* Check that off_t can represent 2**63 - 1 correctly.
- We can't simply define LARGE_OFF_T to be 9223372036854775807,
- since some C++ compilers masquerading as C compilers
- incorrectly reject 9223372036854775807. */
-#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
- int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
- && LARGE_OFF_T % 2147483647 == 1)
- ? 1 : -1];
-int
-main ()
-{
-
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
- ac_cv_sys_large_files=1; break
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
- ac_cv_sys_large_files=unknown
- break
-done
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_large_files" >&5
-$as_echo "$ac_cv_sys_large_files" >&6; }
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- *)
-cat >>confdefs.h <<_ACEOF
-#define _LARGE_FILES $ac_cv_sys_large_files
-_ACEOF
-;;
-esac
-rm -rf conftest*
- fi
-
-
-fi
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for _LARGEFILE_SOURCE value needed for large files" >&5
-$as_echo_n "checking for _LARGEFILE_SOURCE value needed for large files... " >&6; }
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- while :; do
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#include <sys/types.h> /* for off_t */
- #include <stdio.h>
-int
-main ()
-{
-int (*fp) (FILE *, off_t, int) = fseeko;
- return fseeko (stdin, 0, 0) && fp (stdin, 0, 0);
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
- ac_cv_sys_largefile_source=no; break
-fi
-rm -f core conftest.err conftest.$ac_objext \
- conftest$ac_exeext conftest.$ac_ext
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#define _LARGEFILE_SOURCE 1
-#include <sys/types.h> /* for off_t */
- #include <stdio.h>
-int
-main ()
-{
-int (*fp) (FILE *, off_t, int) = fseeko;
- return fseeko (stdin, 0, 0) && fp (stdin, 0, 0);
- ;
- return 0;
-}
-_ACEOF
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-fi
-rm -f core conftest.err conftest.$ac_objext \
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- ac_cv_sys_largefile_source=unknown
- break
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-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_largefile_source" >&5
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- *)
-cat >>confdefs.h <<_ACEOF
-#define _LARGEFILE_SOURCE $ac_cv_sys_largefile_source
-_ACEOF
-;;
-esac
-rm -rf conftest*
-
-# We used to try defining _XOPEN_SOURCE=500 too, to work around a bug
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-$as_echo "#define HAVE_FSEEKO 1" >>confdefs.h
-
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-
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- case $ac_cv_sys_file_offset_bits in #(
- no) :
- ;; #(
- unknown) :
- case $ac_cv_sys_large_files in #(
- no | unknown) :
- ;; #(
- *) :
- LUA53_DEFINES="$LUA53_DEFINES -D_LARGE_FILES" ;;
-esac ;; #(
- *) :
- LUA53_DEFINES="$LUA53_DEFINES -D_FILE_OFFSET_BITS=64" ;;
-esac
-fi
-case $ac_cv_sys_largefile_source in #(
- no | unknown) :
- ;; #(
- *) :
- LUA53_DEFINES="$LUA53_DEFINES -D_LARGEFILE_SOURCE" ;;
-esac
-
-
-if test "x$ac_cv_header_stdc" = xyes; then
- LUA53_DEFINES="$LUA53_DEFINES -DHAVE_UNISTD_H"
-fi
-
-LUA53_DEFINES="$LUA53_DEFINES -DLUA_COMPAT_5_2"
-LUA53_CFLAGS="-DLUA_COMPAT_5_2"
-
-LUA53_TREE=lua53-src
-
-
-ac_config_files="$ac_config_files Makefile include/Makefile texlua53.pc"
-
-
-cat >confcache <<\_ACEOF
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-#
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-#
-# `ac_cv_env_foo' variables (set or unset) will be overridden when
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-# following values.
-
-_ACEOF
-
-# The following way of writing the cache mishandles newlines in values,
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-(
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- esac
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- esac
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-
- (set) 2>&1 |
- case $as_nl`(ac_space=' '; set) 2>&1` in #(
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- ;;
- esac |
- sort
-) |
- sed '
- /^ac_cv_env_/b end
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- t end
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- :end' >>confcache
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- *)
- mv -f confcache "$cache_file" ;;
- esac
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- fi
- else
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- fi
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-rm -f confcache
-
-test "x$prefix" = xNONE && prefix=$ac_default_prefix
-# Let make expand exec_prefix.
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-
-DEFS=-DHAVE_CONFIG_H
-
-ac_libobjs=
-ac_ltlibobjs=
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- ac_i=`$as_echo "$ac_i" | sed "$ac_script"`
- # 2. Prepend LIBOBJDIR. When used with automake>=1.10 LIBOBJDIR
- # will be set to the directory where LIBOBJS objects are built.
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-done
-LIBOBJS=$ac_libobjs
-
-LTLIBOBJS=$ac_ltlibobjs
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking that generated files are newer than configure" >&5
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-
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- PATH_SEPARATOR=';'
- }
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-{
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-lt_prog_compiler_wl \
-lt_prog_compiler_static \
-lt_cv_prog_compiler_c_o \
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-DSYMUTIL \
-NMEDIT \
-LIPO \
-OTOOL \
-OTOOL64 \
-shrext_cmds \
-export_dynamic_flag_spec \
-whole_archive_flag_spec \
-compiler_needs_object \
-with_gnu_ld \
-allow_undefined_flag \
-no_undefined_flag \
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-hardcode_libdir_separator \
-exclude_expsyms \
-include_expsyms \
-file_list_spec \
-variables_saved_for_relink \
-libname_spec \
-library_names_spec \
-soname_spec \
-install_override_mode \
-finish_eval \
-old_striplib \
-striplib; do
- case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in
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- eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED \\"\\\$sed_quote_subst\\"\\\`\\\\\\"" ## exclude from sc_prohibit_nested_quotes
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- *)
- eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\""
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-done
-
-# Double-quote double-evaled strings.
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-old_archive_cmds \
-extract_expsyms_cmds \
-old_archive_from_new_cmds \
-old_archive_from_expsyms_cmds \
-archive_cmds \
-archive_expsym_cmds \
-module_cmds \
-module_expsym_cmds \
-export_symbols_cmds \
-prelink_cmds \
-postlink_cmds \
-postinstall_cmds \
-postuninstall_cmds \
-finish_cmds \
-sys_lib_search_path_spec \
-configure_time_dlsearch_path \
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- case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in
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- eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED -e \\"\\\$double_quote_subst\\" -e \\"\\\$sed_quote_subst\\" -e \\"\\\$delay_variable_subst\\"\\\`\\\\\\"" ## exclude from sc_prohibit_nested_quotes
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- *)
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-
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-
-
- PACKAGE='$PACKAGE'
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- RM='$RM'
- ofile='$ofile'
-
-kpse_dll_name='$kpse_dll_name'
-
-
-
-_ACEOF
-
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
-
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- "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;;
- "include/Makefile") CONFIG_FILES="$CONFIG_FILES include/Makefile" ;;
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-
- *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
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-
-
-# If the user did not use the arguments to specify the items to instantiate,
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-
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-{
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-{
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-{
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-ac_tmp=$tmp
-
-# Set up the scripts for CONFIG_FILES section.
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-
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-
-
-{
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- substed = 1
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- }
-
- print line
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-
-_ACAWK
-_ACEOF
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
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-
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-s/\(=[ ]*\).*/\1/
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-
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-
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-
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-{ print }
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-
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- case $ac_mode in
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- /^X\(\/\/\)$/{
- s//\1/
- q
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- /^X\(\/\).*/{
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- }
- s/.*/./; q'`
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-ac_abs_top_builddir=$ac_pwd
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-ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
-
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-_ACEOF
-
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- # Use ||, not &&, to avoid exiting from the if with $? = 1, which
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-fi
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-
diff --git a/Build/source/libs/lua53/configure.ac b/Build/source/libs/lua53/configure.ac
deleted file mode 100644
index 23c9dcc8606..00000000000
--- a/Build/source/libs/lua53/configure.ac
+++ /dev/null
@@ -1,50 +0,0 @@
-dnl Process this file with autoconf to produce a configure script.
-dnl
-dnl Copyright (C) 2013, 2014 Peter Breitenlohner <tex-live@tug.org>
-dnl
-dnl This file is free software; the copyright holder
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-dnl
-m4_include([version.ac])[] dnl define lua53_version
-AC_INIT([lua53 (TeX Live)], lua53_version, [tex-k@tug.org])
-AC_PREREQ([2.65])
-AC_CONFIG_SRCDIR([lua53-src/src/lua.c])
-AC_CONFIG_AUX_DIR([../../build-aux])
-AC_CONFIG_MACRO_DIR([../../m4])
-
-KPSE_BASIC([lua53])
-
-AC_PROG_CC
-AC_PROG_CC_C99
-AC_PROG_RANLIB
-AC_PROG_LN_S
-
-AC_SUBST([LUA53VERSION], [lua53_version])
-KPSE_LT_VERSION([lua53])
-
-LT_INIT([win32-dll])
-
-KPSE_DLL_NAME([texlua], [texlua])
-
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-
-AM_CONDITIONAL([build], [test "x$enable_build" != xno])
-
-AC_SEARCH_LIBS([pow], [m])
-
-KPSE_LUA53_DEFINES
-KPSE_LARGEFILE([LUA53_DEFINES])
-
-if test "x$ac_cv_header_stdc" = xyes; then
- LUA53_DEFINES="$LUA53_DEFINES -DHAVE_UNISTD_H"
-fi
-
-LUA53_DEFINES="$LUA53_DEFINES -DLUA_COMPAT_5_2"
-LUA53_CFLAGS="-DLUA_COMPAT_5_2"
-
-AC_SUBST([LUA53_TREE], [lua53-src])
-
-AC_CONFIG_FILES([Makefile include/Makefile texlua53.pc])
-
-AC_OUTPUT
diff --git a/Build/source/libs/lua53/error.exp b/Build/source/libs/lua53/error.exp
deleted file mode 100644
index 6b84f091ddf..00000000000
--- a/Build/source/libs/lua53/error.exp
+++ /dev/null
@@ -1,5 +0,0 @@
-./luatry: (command line):1: test
-stack traceback:
- [C]: in function 'error'
- (command line):1: in main chunk
- [C]: in ?
diff --git a/Build/source/libs/lua53/include/Makefile.am b/Build/source/libs/lua53/include/Makefile.am
deleted file mode 100644
index fbcd96e2b70..00000000000
--- a/Build/source/libs/lua53/include/Makefile.am
+++ /dev/null
@@ -1,41 +0,0 @@
-## Proxy Makefile.am to install lua53 headers for TeX Live.
-##
-## Copyright (C) 2013 Peter Breitenlohner <tex-live@tug.org>
-##
-## This file is free software; the copyright holder
-## gives unlimited permission to copy and/or distribute it,
-## with or without modifications, as long as this notice is preserved.
-##
-LUA53_SRC = $(top_srcdir)/$(LUA53_TREE)/src
-
-hdr_links = \
- $(LUA53_SRC)/lapi.h \
- $(LUA53_SRC)/lauxlib.h \
- $(LUA53_SRC)/lcode.h \
- $(LUA53_SRC)/lctype.h \
- $(LUA53_SRC)/ldebug.h \
- $(LUA53_SRC)/ldo.h \
- $(LUA53_SRC)/lfunc.h \
- $(LUA53_SRC)/lgc.h \
- $(LUA53_SRC)/llex.h \
- $(LUA53_SRC)/llimits.h \
- $(LUA53_SRC)/lmem.h \
- $(LUA53_SRC)/lobject.h \
- $(LUA53_SRC)/lopcodes.h \
- $(LUA53_SRC)/lparser.h \
- $(LUA53_SRC)/lstate.h \
- $(LUA53_SRC)/lstring.h \
- $(LUA53_SRC)/ltable.h \
- $(LUA53_SRC)/ltm.h \
- $(LUA53_SRC)/luaconf.h \
- $(LUA53_SRC)/lua.h \
- $(LUA53_SRC)/lua.hpp \
- $(LUA53_SRC)/lualib.h \
- $(LUA53_SRC)/lundump.h \
- $(LUA53_SRC)/lvm.h \
- $(LUA53_SRC)/lzio.h
-
-include $(top_srcdir)/../../am/hdr_links.am
-
-DISTCLEANFILES = lua.hpp
-
diff --git a/Build/source/libs/lua53/include/Makefile.in b/Build/source/libs/lua53/include/Makefile.in
deleted file mode 100644
index aebdb387293..00000000000
--- a/Build/source/libs/lua53/include/Makefile.in
+++ /dev/null
@@ -1,499 +0,0 @@
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- -rm -f Makefile
-distclean-am: clean-am distclean-generic distclean-local
-
-dvi: dvi-am
-
-dvi-am:
-
-html: html-am
-
-html-am:
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-info-am:
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-install-dvi-am:
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-install-html: install-html-am
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- -rm -f Makefile
-maintainer-clean-am: distclean-am maintainer-clean-generic
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-
-mostlyclean-am: mostlyclean-generic mostlyclean-libtool
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-pdf: pdf-am
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-
-.MAKE: install-am install-strip
-
-.PHONY: all all-am all-local check check-am clean clean-generic \
- clean-libtool cscopelist-am ctags-am distclean \
- distclean-generic distclean-libtool distclean-local distdir \
- dvi dvi-am html html-am info info-am install install-am \
- install-data install-data-am install-dvi install-dvi-am \
- install-exec install-exec-am install-html install-html-am \
- install-info install-info-am install-man install-pdf \
- install-pdf-am install-ps install-ps-am install-strip \
- installcheck installcheck-am installdirs maintainer-clean \
- maintainer-clean-generic mostlyclean mostlyclean-generic \
- mostlyclean-libtool pdf pdf-am ps ps-am tags-am uninstall \
- uninstall-am
-
-.PRECIOUS: Makefile
-
-all-local:
- @for file in $(hdr_links); do \
- test -f $$file || continue; \
- inst=`echo $$file | sed -e 's/^.*\///'`; \
- test -f $$inst || { \
- rm -f $$inst; \
- if $(AM_V_P); then echo "$(LN_S) $$file $$inst"; \
- else echo " INST $$inst"; fi; \
- $(LN_S) $$file $$inst; } || exit 1; \
- done
-
-distclean-local:
- rm -f *.h
-
-# Tell versions [3.59,3.63) of GNU make to not export all variables.
-# Otherwise a system limit (for SysV at least) may be exceeded.
-.NOEXPORT:
diff --git a/Build/source/libs/lua53/lua53-src/Makefile b/Build/source/libs/lua53/lua53-src/Makefile
deleted file mode 100644
index a2820e04fe2..00000000000
--- a/Build/source/libs/lua53/lua53-src/Makefile
+++ /dev/null
@@ -1,114 +0,0 @@
-# Makefile for installing Lua
-# See doc/readme.html for installation and customization instructions.
-
-# == CHANGE THE SETTINGS BELOW TO SUIT YOUR ENVIRONMENT =======================
-
-# Your platform. See PLATS for possible values.
-PLAT= none
-
-# Where to install. The installation starts in the src and doc directories,
-# so take care if INSTALL_TOP is not an absolute path. See the local target.
-# You may want to make INSTALL_LMOD and INSTALL_CMOD consistent with
-# LUA_ROOT, LUA_LDIR, and LUA_CDIR in luaconf.h.
-INSTALL_TOP= /usr/local
-INSTALL_BIN= $(INSTALL_TOP)/bin
-INSTALL_INC= $(INSTALL_TOP)/include
-INSTALL_LIB= $(INSTALL_TOP)/lib
-INSTALL_MAN= $(INSTALL_TOP)/man/man1
-INSTALL_LMOD= $(INSTALL_TOP)/share/lua/$V
-INSTALL_CMOD= $(INSTALL_TOP)/lib/lua/$V
-
-# How to install. If your install program does not support "-p", then
-# you may have to run ranlib on the installed liblua.a.
-INSTALL= install -p
-INSTALL_EXEC= $(INSTALL) -m 0755
-INSTALL_DATA= $(INSTALL) -m 0644
-#
-# If you don't have "install" you can use "cp" instead.
-# INSTALL= cp -p
-# INSTALL_EXEC= $(INSTALL)
-# INSTALL_DATA= $(INSTALL)
-
-# Other utilities.
-MKDIR= mkdir -p
-RM= rm -f
-
-# == END OF USER SETTINGS -- NO NEED TO CHANGE ANYTHING BELOW THIS LINE =======
-
-# Convenience platforms targets.
-PLATS= aix bsd c89 freebsd generic linux macosx mingw posix solaris
-
-# What to install.
-TO_BIN= lua luac
-TO_INC= lua.h luaconf.h lualib.h lauxlib.h lua.hpp
-TO_LIB= liblua.a
-TO_MAN= lua.1 luac.1
-
-# Lua version and release.
-V= 5.3
-R= $V.6
-
-# Targets start here.
-all: $(PLAT)
-
-$(PLATS) clean:
- cd src && $(MAKE) $@
-
-test: dummy
- src/lua -v
-
-install: dummy
- cd src && $(MKDIR) $(INSTALL_BIN) $(INSTALL_INC) $(INSTALL_LIB) $(INSTALL_MAN) $(INSTALL_LMOD) $(INSTALL_CMOD)
- cd src && $(INSTALL_EXEC) $(TO_BIN) $(INSTALL_BIN)
- cd src && $(INSTALL_DATA) $(TO_INC) $(INSTALL_INC)
- cd src && $(INSTALL_DATA) $(TO_LIB) $(INSTALL_LIB)
- cd doc && $(INSTALL_DATA) $(TO_MAN) $(INSTALL_MAN)
-
-uninstall:
- cd src && cd $(INSTALL_BIN) && $(RM) $(TO_BIN)
- cd src && cd $(INSTALL_INC) && $(RM) $(TO_INC)
- cd src && cd $(INSTALL_LIB) && $(RM) $(TO_LIB)
- cd doc && cd $(INSTALL_MAN) && $(RM) $(TO_MAN)
-
-local:
- $(MAKE) install INSTALL_TOP=../install
-
-none:
- @echo "Please do 'make PLATFORM' where PLATFORM is one of these:"
- @echo " $(PLATS)"
- @echo "See doc/readme.html for complete instructions."
-
-# make may get confused with test/ and install/
-dummy:
-
-# echo config parameters
-echo:
- @cd src && $(MAKE) -s echo
- @echo "PLAT= $(PLAT)"
- @echo "V= $V"
- @echo "R= $R"
- @echo "TO_BIN= $(TO_BIN)"
- @echo "TO_INC= $(TO_INC)"
- @echo "TO_LIB= $(TO_LIB)"
- @echo "TO_MAN= $(TO_MAN)"
- @echo "INSTALL_TOP= $(INSTALL_TOP)"
- @echo "INSTALL_BIN= $(INSTALL_BIN)"
- @echo "INSTALL_INC= $(INSTALL_INC)"
- @echo "INSTALL_LIB= $(INSTALL_LIB)"
- @echo "INSTALL_MAN= $(INSTALL_MAN)"
- @echo "INSTALL_LMOD= $(INSTALL_LMOD)"
- @echo "INSTALL_CMOD= $(INSTALL_CMOD)"
- @echo "INSTALL_EXEC= $(INSTALL_EXEC)"
- @echo "INSTALL_DATA= $(INSTALL_DATA)"
-
-# echo pkg-config data
-pc:
- @echo "version=$R"
- @echo "prefix=$(INSTALL_TOP)"
- @echo "libdir=$(INSTALL_LIB)"
- @echo "includedir=$(INSTALL_INC)"
-
-# list targets that do not create files (but not all makes understand .PHONY)
-.PHONY: all $(PLATS) clean test install local none dummy echo pecho lecho
-
-# (end of Makefile)
diff --git a/Build/source/libs/lua53/lua53-src/README b/Build/source/libs/lua53/lua53-src/README
deleted file mode 100644
index f8bdb6f41d0..00000000000
--- a/Build/source/libs/lua53/lua53-src/README
+++ /dev/null
@@ -1,6 +0,0 @@
-
-This is Lua 5.3.6, released on 14 Sep 2020.
-
-For installation instructions, license details, and
-further information about Lua, see doc/readme.html.
-
diff --git a/Build/source/libs/lua53/lua53-src/doc/contents.html b/Build/source/libs/lua53/lua53-src/doc/contents.html
deleted file mode 100644
index 3a357b1ed65..00000000000
--- a/Build/source/libs/lua53/lua53-src/doc/contents.html
+++ /dev/null
@@ -1,650 +0,0 @@
-<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
-<HTML>
-<HEAD>
-<TITLE>Lua 5.3 Reference Manual - contents</TITLE>
-<LINK REL="stylesheet" TYPE="text/css" HREF="lua.css">
-<LINK REL="stylesheet" TYPE="text/css" HREF="index.css">
-<META HTTP-EQUIV="content-type" CONTENT="text/html; charset=iso-8859-1">
-</HEAD>
-
-<BODY>
-
-<H1>
-<A HREF="http://www.lua.org/"><IMG SRC="logo.gif" ALT="Lua"></A>
-Lua 5.3 Reference Manual
-</H1>
-
-<P>
-The reference manual is the official definition of the Lua language.
-<BR>
-For a complete introduction to Lua programming, see the book
-<A HREF="http://www.lua.org/pil/">Programming in Lua</A>.
-
-<DIV CLASS="menubar">
-<A HREF="manual.html">start</A>
-&middot;
-<A HREF="#contents">contents</A>
-&middot;
-<A HREF="#index">index</A>
-&middot;
-<A HREF="http://www.lua.org/manual/">other versions</A>
-</DIV>
-
-<P>
-<SMALL>
-Copyright &copy; 2015&ndash;2020 Lua.org, PUC-Rio.
-Freely available under the terms of the
-<A HREF="http://www.lua.org/license.html">Lua license</A>.
-</SMALL>
-
-<H2><A NAME="contents">Contents</A></H2>
-<UL CLASS="contents menubar">
-<LI><A HREF="manual.html">1 &ndash; Introduction</A>
-<P>
-<LI><A HREF="manual.html#2">2 &ndash; Basic Concepts</A>
-<UL>
-<LI><A HREF="manual.html#2.1">2.1 &ndash; Values and Types</A>
-<LI><A HREF="manual.html#2.2">2.2 &ndash; Environments and the Global Environment</A>
-<LI><A HREF="manual.html#2.3">2.3 &ndash; Error Handling</A>
-<LI><A HREF="manual.html#2.4">2.4 &ndash; Metatables and Metamethods</A>
-<LI><A HREF="manual.html#2.5">2.5 &ndash; Garbage Collection</A>
-<UL>
-<LI><A HREF="manual.html#2.5.1">2.5.1 &ndash; Garbage-Collection Metamethods</A>
-<LI><A HREF="manual.html#2.5.2">2.5.2 &ndash; Weak Tables</A>
-</UL>
-<LI><A HREF="manual.html#2.6">2.6 &ndash; Coroutines</A>
-</UL>
-<P>
-<LI><A HREF="manual.html#3">3 &ndash; The Language</A>
-<UL>
-<LI><A HREF="manual.html#3.1">3.1 &ndash; Lexical Conventions</A>
-<LI><A HREF="manual.html#3.2">3.2 &ndash; Variables</A>
-<LI><A HREF="manual.html#3.3">3.3 &ndash; Statements</A>
-<UL>
-<LI><A HREF="manual.html#3.3.1">3.3.1 &ndash; Blocks</A>
-<LI><A HREF="manual.html#3.3.2">3.3.2 &ndash; Chunks</A>
-<LI><A HREF="manual.html#3.3.3">3.3.3 &ndash; Assignment</A>
-<LI><A HREF="manual.html#3.3.4">3.3.4 &ndash; Control Structures</A>
-<LI><A HREF="manual.html#3.3.5">3.3.5 &ndash; For Statement</A>
-<LI><A HREF="manual.html#3.3.6">3.3.6 &ndash; Function Calls as Statements</A>
-<LI><A HREF="manual.html#3.3.7">3.3.7 &ndash; Local Declarations</A>
-</UL>
-<LI><A HREF="manual.html#3.4">3.4 &ndash; Expressions</A>
-<UL>
-<LI><A HREF="manual.html#3.4.1">3.4.1 &ndash; Arithmetic Operators</A>
-<LI><A HREF="manual.html#3.4.2">3.4.2 &ndash; Bitwise Operators</A>
-<LI><A HREF="manual.html#3.4.3">3.4.3 &ndash; Coercions and Conversions</A>
-<LI><A HREF="manual.html#3.4.4">3.4.4 &ndash; Relational Operators</A>
-<LI><A HREF="manual.html#3.4.5">3.4.5 &ndash; Logical Operators</A>
-<LI><A HREF="manual.html#3.4.6">3.4.6 &ndash; Concatenation</A>
-<LI><A HREF="manual.html#3.4.7">3.4.7 &ndash; The Length Operator</A>
-<LI><A HREF="manual.html#3.4.8">3.4.8 &ndash; Precedence</A>
-<LI><A HREF="manual.html#3.4.9">3.4.9 &ndash; Table Constructors</A>
-<LI><A HREF="manual.html#3.4.10">3.4.10 &ndash; Function Calls</A>
-<LI><A HREF="manual.html#3.4.11">3.4.11 &ndash; Function Definitions</A>
-</UL>
-<LI><A HREF="manual.html#3.5">3.5 &ndash; Visibility Rules</A>
-</UL>
-<P>
-<LI><A HREF="manual.html#4">4 &ndash; The Application Program Interface</A>
-<UL>
-<LI><A HREF="manual.html#4.1">4.1 &ndash; The Stack</A>
-<LI><A HREF="manual.html#4.2">4.2 &ndash; Stack Size</A>
-<LI><A HREF="manual.html#4.3">4.3 &ndash; Valid and Acceptable Indices</A>
-<LI><A HREF="manual.html#4.4">4.4 &ndash; C Closures</A>
-<LI><A HREF="manual.html#4.5">4.5 &ndash; Registry</A>
-<LI><A HREF="manual.html#4.6">4.6 &ndash; Error Handling in C</A>
-<LI><A HREF="manual.html#4.7">4.7 &ndash; Handling Yields in C</A>
-<LI><A HREF="manual.html#4.8">4.8 &ndash; Functions and Types</A>
-<LI><A HREF="manual.html#4.9">4.9 &ndash; The Debug Interface</A>
-</UL>
-<P>
-<LI><A HREF="manual.html#5">5 &ndash; The Auxiliary Library</A>
-<UL>
-<LI><A HREF="manual.html#5.1">5.1 &ndash; Functions and Types</A>
-</UL>
-<P>
-<LI><A HREF="manual.html#6">6 &ndash; Standard Libraries</A>
-<UL>
-<LI><A HREF="manual.html#6.1">6.1 &ndash; Basic Functions</A>
-<LI><A HREF="manual.html#6.2">6.2 &ndash; Coroutine Manipulation</A>
-<LI><A HREF="manual.html#6.3">6.3 &ndash; Modules</A>
-<LI><A HREF="manual.html#6.4">6.4 &ndash; String Manipulation</A>
-<UL>
-<LI><A HREF="manual.html#6.4.1">6.4.1 &ndash; Patterns</A>
-<LI><A HREF="manual.html#6.4.2">6.4.2 &ndash; Format Strings for Pack and Unpack</A>
-</UL>
-<LI><A HREF="manual.html#6.5">6.5 &ndash; UTF-8 Support</A>
-<LI><A HREF="manual.html#6.6">6.6 &ndash; Table Manipulation</A>
-<LI><A HREF="manual.html#6.7">6.7 &ndash; Mathematical Functions</A>
-<LI><A HREF="manual.html#6.8">6.8 &ndash; Input and Output Facilities</A>
-<LI><A HREF="manual.html#6.9">6.9 &ndash; Operating System Facilities</A>
-<LI><A HREF="manual.html#6.10">6.10 &ndash; The Debug Library</A>
-</UL>
-<P>
-<LI><A HREF="manual.html#7">7 &ndash; Lua Standalone</A>
-<P>
-<LI><A HREF="manual.html#8">8 &ndash; Incompatibilities with the Previous Version</A>
-<UL>
-<LI><A HREF="manual.html#8.1">8.1 &ndash; Changes in the Language</A>
-<LI><A HREF="manual.html#8.2">8.2 &ndash; Changes in the Libraries</A>
-<LI><A HREF="manual.html#8.3">8.3 &ndash; Changes in the API</A>
-</UL>
-<P>
-<LI><A HREF="manual.html#9">9 &ndash; The Complete Syntax of Lua</A>
-</UL>
-
-<H2><A NAME="index">Index</A></H2>
-<TABLE CLASS="menubar" WIDTH="100%">
-<TR>
-<TD>
-<H3><A NAME="functions">Lua functions</A></H3>
-<P>
-<A HREF="manual.html#6.1">basic</A><BR>
-<A HREF="manual.html#pdf-_G">_G</A><BR>
-<A HREF="manual.html#pdf-_VERSION">_VERSION</A><BR>
-<A HREF="manual.html#pdf-assert">assert</A><BR>
-<A HREF="manual.html#pdf-collectgarbage">collectgarbage</A><BR>
-<A HREF="manual.html#pdf-dofile">dofile</A><BR>
-<A HREF="manual.html#pdf-error">error</A><BR>
-<A HREF="manual.html#pdf-getmetatable">getmetatable</A><BR>
-<A HREF="manual.html#pdf-ipairs">ipairs</A><BR>
-<A HREF="manual.html#pdf-load">load</A><BR>
-<A HREF="manual.html#pdf-loadfile">loadfile</A><BR>
-<A HREF="manual.html#pdf-next">next</A><BR>
-<A HREF="manual.html#pdf-pairs">pairs</A><BR>
-<A HREF="manual.html#pdf-pcall">pcall</A><BR>
-<A HREF="manual.html#pdf-print">print</A><BR>
-<A HREF="manual.html#pdf-rawequal">rawequal</A><BR>
-<A HREF="manual.html#pdf-rawget">rawget</A><BR>
-<A HREF="manual.html#pdf-rawlen">rawlen</A><BR>
-<A HREF="manual.html#pdf-rawset">rawset</A><BR>
-<A HREF="manual.html#pdf-require">require</A><BR>
-<A HREF="manual.html#pdf-select">select</A><BR>
-<A HREF="manual.html#pdf-setmetatable">setmetatable</A><BR>
-<A HREF="manual.html#pdf-tonumber">tonumber</A><BR>
-<A HREF="manual.html#pdf-tostring">tostring</A><BR>
-<A HREF="manual.html#pdf-type">type</A><BR>
-<A HREF="manual.html#pdf-xpcall">xpcall</A><BR>
-
-<P>
-<A HREF="manual.html#6.2">coroutine</A><BR>
-<A HREF="manual.html#pdf-coroutine.create">coroutine.create</A><BR>
-<A HREF="manual.html#pdf-coroutine.isyieldable">coroutine.isyieldable</A><BR>
-<A HREF="manual.html#pdf-coroutine.resume">coroutine.resume</A><BR>
-<A HREF="manual.html#pdf-coroutine.running">coroutine.running</A><BR>
-<A HREF="manual.html#pdf-coroutine.status">coroutine.status</A><BR>
-<A HREF="manual.html#pdf-coroutine.wrap">coroutine.wrap</A><BR>
-<A HREF="manual.html#pdf-coroutine.yield">coroutine.yield</A><BR>
-
-<P>
-<A HREF="manual.html#6.10">debug</A><BR>
-<A HREF="manual.html#pdf-debug.debug">debug.debug</A><BR>
-<A HREF="manual.html#pdf-debug.gethook">debug.gethook</A><BR>
-<A HREF="manual.html#pdf-debug.getinfo">debug.getinfo</A><BR>
-<A HREF="manual.html#pdf-debug.getlocal">debug.getlocal</A><BR>
-<A HREF="manual.html#pdf-debug.getmetatable">debug.getmetatable</A><BR>
-<A HREF="manual.html#pdf-debug.getregistry">debug.getregistry</A><BR>
-<A HREF="manual.html#pdf-debug.getupvalue">debug.getupvalue</A><BR>
-<A HREF="manual.html#pdf-debug.getuservalue">debug.getuservalue</A><BR>
-<A HREF="manual.html#pdf-debug.sethook">debug.sethook</A><BR>
-<A HREF="manual.html#pdf-debug.setlocal">debug.setlocal</A><BR>
-<A HREF="manual.html#pdf-debug.setmetatable">debug.setmetatable</A><BR>
-<A HREF="manual.html#pdf-debug.setupvalue">debug.setupvalue</A><BR>
-<A HREF="manual.html#pdf-debug.setuservalue">debug.setuservalue</A><BR>
-<A HREF="manual.html#pdf-debug.traceback">debug.traceback</A><BR>
-<A HREF="manual.html#pdf-debug.upvalueid">debug.upvalueid</A><BR>
-<A HREF="manual.html#pdf-debug.upvaluejoin">debug.upvaluejoin</A><BR>
-
-<P>
-<A HREF="manual.html#6.8">io</A><BR>
-<A HREF="manual.html#pdf-io.close">io.close</A><BR>
-<A HREF="manual.html#pdf-io.flush">io.flush</A><BR>
-<A HREF="manual.html#pdf-io.input">io.input</A><BR>
-<A HREF="manual.html#pdf-io.lines">io.lines</A><BR>
-<A HREF="manual.html#pdf-io.open">io.open</A><BR>
-<A HREF="manual.html#pdf-io.output">io.output</A><BR>
-<A HREF="manual.html#pdf-io.popen">io.popen</A><BR>
-<A HREF="manual.html#pdf-io.read">io.read</A><BR>
-<A HREF="manual.html#pdf-io.stderr">io.stderr</A><BR>
-<A HREF="manual.html#pdf-io.stdin">io.stdin</A><BR>
-<A HREF="manual.html#pdf-io.stdout">io.stdout</A><BR>
-<A HREF="manual.html#pdf-io.tmpfile">io.tmpfile</A><BR>
-<A HREF="manual.html#pdf-io.type">io.type</A><BR>
-<A HREF="manual.html#pdf-io.write">io.write</A><BR>
-
-<A HREF="manual.html#pdf-file:close">file:close</A><BR>
-<A HREF="manual.html#pdf-file:flush">file:flush</A><BR>
-<A HREF="manual.html#pdf-file:lines">file:lines</A><BR>
-<A HREF="manual.html#pdf-file:read">file:read</A><BR>
-<A HREF="manual.html#pdf-file:seek">file:seek</A><BR>
-<A HREF="manual.html#pdf-file:setvbuf">file:setvbuf</A><BR>
-<A HREF="manual.html#pdf-file:write">file:write</A><BR>
-
-</TD>
-<TD>
-<H3>&nbsp;</H3>
-<P>
-<A HREF="manual.html#6.7">math</A><BR>
-<A HREF="manual.html#pdf-math.abs">math.abs</A><BR>
-<A HREF="manual.html#pdf-math.acos">math.acos</A><BR>
-<A HREF="manual.html#pdf-math.asin">math.asin</A><BR>
-<A HREF="manual.html#pdf-math.atan">math.atan</A><BR>
-<A HREF="manual.html#pdf-math.ceil">math.ceil</A><BR>
-<A HREF="manual.html#pdf-math.cos">math.cos</A><BR>
-<A HREF="manual.html#pdf-math.deg">math.deg</A><BR>
-<A HREF="manual.html#pdf-math.exp">math.exp</A><BR>
-<A HREF="manual.html#pdf-math.floor">math.floor</A><BR>
-<A HREF="manual.html#pdf-math.fmod">math.fmod</A><BR>
-<A HREF="manual.html#pdf-math.huge">math.huge</A><BR>
-<A HREF="manual.html#pdf-math.log">math.log</A><BR>
-<A HREF="manual.html#pdf-math.max">math.max</A><BR>
-<A HREF="manual.html#pdf-math.maxinteger">math.maxinteger</A><BR>
-<A HREF="manual.html#pdf-math.min">math.min</A><BR>
-<A HREF="manual.html#pdf-math.mininteger">math.mininteger</A><BR>
-<A HREF="manual.html#pdf-math.modf">math.modf</A><BR>
-<A HREF="manual.html#pdf-math.pi">math.pi</A><BR>
-<A HREF="manual.html#pdf-math.rad">math.rad</A><BR>
-<A HREF="manual.html#pdf-math.random">math.random</A><BR>
-<A HREF="manual.html#pdf-math.randomseed">math.randomseed</A><BR>
-<A HREF="manual.html#pdf-math.sin">math.sin</A><BR>
-<A HREF="manual.html#pdf-math.sqrt">math.sqrt</A><BR>
-<A HREF="manual.html#pdf-math.tan">math.tan</A><BR>
-<A HREF="manual.html#pdf-math.tointeger">math.tointeger</A><BR>
-<A HREF="manual.html#pdf-math.type">math.type</A><BR>
-<A HREF="manual.html#pdf-math.ult">math.ult</A><BR>
-
-<P>
-<A HREF="manual.html#6.9">os</A><BR>
-<A HREF="manual.html#pdf-os.clock">os.clock</A><BR>
-<A HREF="manual.html#pdf-os.date">os.date</A><BR>
-<A HREF="manual.html#pdf-os.difftime">os.difftime</A><BR>
-<A HREF="manual.html#pdf-os.execute">os.execute</A><BR>
-<A HREF="manual.html#pdf-os.exit">os.exit</A><BR>
-<A HREF="manual.html#pdf-os.getenv">os.getenv</A><BR>
-<A HREF="manual.html#pdf-os.remove">os.remove</A><BR>
-<A HREF="manual.html#pdf-os.rename">os.rename</A><BR>
-<A HREF="manual.html#pdf-os.setlocale">os.setlocale</A><BR>
-<A HREF="manual.html#pdf-os.time">os.time</A><BR>
-<A HREF="manual.html#pdf-os.tmpname">os.tmpname</A><BR>
-
-<P>
-<A HREF="manual.html#6.3">package</A><BR>
-<A HREF="manual.html#pdf-package.config">package.config</A><BR>
-<A HREF="manual.html#pdf-package.cpath">package.cpath</A><BR>
-<A HREF="manual.html#pdf-package.loaded">package.loaded</A><BR>
-<A HREF="manual.html#pdf-package.loadlib">package.loadlib</A><BR>
-<A HREF="manual.html#pdf-package.path">package.path</A><BR>
-<A HREF="manual.html#pdf-package.preload">package.preload</A><BR>
-<A HREF="manual.html#pdf-package.searchers">package.searchers</A><BR>
-<A HREF="manual.html#pdf-package.searchpath">package.searchpath</A><BR>
-
-<P>
-<A HREF="manual.html#6.4">string</A><BR>
-<A HREF="manual.html#pdf-string.byte">string.byte</A><BR>
-<A HREF="manual.html#pdf-string.char">string.char</A><BR>
-<A HREF="manual.html#pdf-string.dump">string.dump</A><BR>
-<A HREF="manual.html#pdf-string.find">string.find</A><BR>
-<A HREF="manual.html#pdf-string.format">string.format</A><BR>
-<A HREF="manual.html#pdf-string.gmatch">string.gmatch</A><BR>
-<A HREF="manual.html#pdf-string.gsub">string.gsub</A><BR>
-<A HREF="manual.html#pdf-string.len">string.len</A><BR>
-<A HREF="manual.html#pdf-string.lower">string.lower</A><BR>
-<A HREF="manual.html#pdf-string.match">string.match</A><BR>
-<A HREF="manual.html#pdf-string.pack">string.pack</A><BR>
-<A HREF="manual.html#pdf-string.packsize">string.packsize</A><BR>
-<A HREF="manual.html#pdf-string.rep">string.rep</A><BR>
-<A HREF="manual.html#pdf-string.reverse">string.reverse</A><BR>
-<A HREF="manual.html#pdf-string.sub">string.sub</A><BR>
-<A HREF="manual.html#pdf-string.unpack">string.unpack</A><BR>
-<A HREF="manual.html#pdf-string.upper">string.upper</A><BR>
-
-<P>
-<A HREF="manual.html#6.6">table</A><BR>
-<A HREF="manual.html#pdf-table.concat">table.concat</A><BR>
-<A HREF="manual.html#pdf-table.insert">table.insert</A><BR>
-<A HREF="manual.html#pdf-table.move">table.move</A><BR>
-<A HREF="manual.html#pdf-table.pack">table.pack</A><BR>
-<A HREF="manual.html#pdf-table.remove">table.remove</A><BR>
-<A HREF="manual.html#pdf-table.sort">table.sort</A><BR>
-<A HREF="manual.html#pdf-table.unpack">table.unpack</A><BR>
-
-<P>
-<A HREF="manual.html#6.5">utf8</A><BR>
-<A HREF="manual.html#pdf-utf8.char">utf8.char</A><BR>
-<A HREF="manual.html#pdf-utf8.charpattern">utf8.charpattern</A><BR>
-<A HREF="manual.html#pdf-utf8.codepoint">utf8.codepoint</A><BR>
-<A HREF="manual.html#pdf-utf8.codes">utf8.codes</A><BR>
-<A HREF="manual.html#pdf-utf8.len">utf8.len</A><BR>
-<A HREF="manual.html#pdf-utf8.offset">utf8.offset</A><BR>
-
-<H3><A NAME="metamethods">metamethods</A></H3>
-<P>
-<A HREF="manual.html#2.4">__add</A><BR>
-<A HREF="manual.html#2.4">__band</A><BR>
-<A HREF="manual.html#2.4">__bnot</A><BR>
-<A HREF="manual.html#2.4">__bor</A><BR>
-<A HREF="manual.html#2.4">__bxor</A><BR>
-<A HREF="manual.html#2.4">__call</A><BR>
-<A HREF="manual.html#2.4">__concat</A><BR>
-<A HREF="manual.html#2.4">__div</A><BR>
-<A HREF="manual.html#2.4">__eq</A><BR>
-<A HREF="manual.html#2.5.1">__gc</A><BR>
-<A HREF="manual.html#2.4">__idiv</A><BR>
-<A HREF="manual.html#2.4">__index</A><BR>
-<A HREF="manual.html#2.4">__le</A><BR>
-<A HREF="manual.html#2.4">__len</A><BR>
-<A HREF="manual.html#2.4">__lt</A><BR>
-<A HREF="manual.html#pdf-getmetatable">__metatable</A><BR>
-<A HREF="manual.html#2.4">__mod</A><BR>
-<A HREF="manual.html#2.5.2">__mode</A><BR>
-<A HREF="manual.html#2.4">__mul</A><BR>
-<A HREF="manual.html#luaL_newmetatable">__name</A><BR>
-<A HREF="manual.html#2.4">__newindex</A><BR>
-<A HREF="manual.html#pdf-pairs">__pairs</A><BR>
-<A HREF="manual.html#2.4">__pow</A><BR>
-<A HREF="manual.html#2.4">__shl</A><BR>
-<A HREF="manual.html#2.4">__shr</A><BR>
-<A HREF="manual.html#2.4">__sub</A><BR>
-<A HREF="manual.html#pdf-tostring">__tostring</A><BR>
-<A HREF="manual.html#2.4">__unm</A><BR>
-
-<H3><A NAME="env">environment<BR>variables</A></H3>
-<P>
-<A HREF="manual.html#pdf-LUA_CPATH">LUA_CPATH</A><BR>
-<A HREF="manual.html#pdf-LUA_CPATH_5_3">LUA_CPATH_5_3</A><BR>
-<A HREF="manual.html#pdf-LUA_INIT">LUA_INIT</A><BR>
-<A HREF="manual.html#pdf-LUA_INIT_5_3">LUA_INIT_5_3</A><BR>
-<A HREF="manual.html#pdf-LUA_PATH">LUA_PATH</A><BR>
-<A HREF="manual.html#pdf-LUA_PATH_5_3">LUA_PATH_5_3</A><BR>
-
-</TD>
-<TD>
-<H3><A NAME="api">C API</A></H3>
-<P>
-<A HREF="manual.html#lua_Alloc">lua_Alloc</A><BR>
-<A HREF="manual.html#lua_CFunction">lua_CFunction</A><BR>
-<A HREF="manual.html#lua_Debug">lua_Debug</A><BR>
-<A HREF="manual.html#lua_Hook">lua_Hook</A><BR>
-<A HREF="manual.html#lua_Integer">lua_Integer</A><BR>
-<A HREF="manual.html#lua_KContext">lua_KContext</A><BR>
-<A HREF="manual.html#lua_KFunction">lua_KFunction</A><BR>
-<A HREF="manual.html#lua_Number">lua_Number</A><BR>
-<A HREF="manual.html#lua_Reader">lua_Reader</A><BR>
-<A HREF="manual.html#lua_State">lua_State</A><BR>
-<A HREF="manual.html#lua_Unsigned">lua_Unsigned</A><BR>
-<A HREF="manual.html#lua_Writer">lua_Writer</A><BR>
-
-<P>
-<A HREF="manual.html#lua_absindex">lua_absindex</A><BR>
-<A HREF="manual.html#lua_arith">lua_arith</A><BR>
-<A HREF="manual.html#lua_atpanic">lua_atpanic</A><BR>
-<A HREF="manual.html#lua_call">lua_call</A><BR>
-<A HREF="manual.html#lua_callk">lua_callk</A><BR>
-<A HREF="manual.html#lua_checkstack">lua_checkstack</A><BR>
-<A HREF="manual.html#lua_close">lua_close</A><BR>
-<A HREF="manual.html#lua_compare">lua_compare</A><BR>
-<A HREF="manual.html#lua_concat">lua_concat</A><BR>
-<A HREF="manual.html#lua_copy">lua_copy</A><BR>
-<A HREF="manual.html#lua_createtable">lua_createtable</A><BR>
-<A HREF="manual.html#lua_dump">lua_dump</A><BR>
-<A HREF="manual.html#lua_error">lua_error</A><BR>
-<A HREF="manual.html#lua_gc">lua_gc</A><BR>
-<A HREF="manual.html#lua_getallocf">lua_getallocf</A><BR>
-<A HREF="manual.html#lua_getextraspace">lua_getextraspace</A><BR>
-<A HREF="manual.html#lua_getfield">lua_getfield</A><BR>
-<A HREF="manual.html#lua_getglobal">lua_getglobal</A><BR>
-<A HREF="manual.html#lua_gethook">lua_gethook</A><BR>
-<A HREF="manual.html#lua_gethookcount">lua_gethookcount</A><BR>
-<A HREF="manual.html#lua_gethookmask">lua_gethookmask</A><BR>
-<A HREF="manual.html#lua_geti">lua_geti</A><BR>
-<A HREF="manual.html#lua_getinfo">lua_getinfo</A><BR>
-<A HREF="manual.html#lua_getlocal">lua_getlocal</A><BR>
-<A HREF="manual.html#lua_getmetatable">lua_getmetatable</A><BR>
-<A HREF="manual.html#lua_getstack">lua_getstack</A><BR>
-<A HREF="manual.html#lua_gettable">lua_gettable</A><BR>
-<A HREF="manual.html#lua_gettop">lua_gettop</A><BR>
-<A HREF="manual.html#lua_getupvalue">lua_getupvalue</A><BR>
-<A HREF="manual.html#lua_getuservalue">lua_getuservalue</A><BR>
-<A HREF="manual.html#lua_insert">lua_insert</A><BR>
-<A HREF="manual.html#lua_isboolean">lua_isboolean</A><BR>
-<A HREF="manual.html#lua_iscfunction">lua_iscfunction</A><BR>
-<A HREF="manual.html#lua_isfunction">lua_isfunction</A><BR>
-<A HREF="manual.html#lua_isinteger">lua_isinteger</A><BR>
-<A HREF="manual.html#lua_islightuserdata">lua_islightuserdata</A><BR>
-<A HREF="manual.html#lua_isnil">lua_isnil</A><BR>
-<A HREF="manual.html#lua_isnone">lua_isnone</A><BR>
-<A HREF="manual.html#lua_isnoneornil">lua_isnoneornil</A><BR>
-<A HREF="manual.html#lua_isnumber">lua_isnumber</A><BR>
-<A HREF="manual.html#lua_isstring">lua_isstring</A><BR>
-<A HREF="manual.html#lua_istable">lua_istable</A><BR>
-<A HREF="manual.html#lua_isthread">lua_isthread</A><BR>
-<A HREF="manual.html#lua_isuserdata">lua_isuserdata</A><BR>
-<A HREF="manual.html#lua_isyieldable">lua_isyieldable</A><BR>
-<A HREF="manual.html#lua_len">lua_len</A><BR>
-<A HREF="manual.html#lua_load">lua_load</A><BR>
-<A HREF="manual.html#lua_newstate">lua_newstate</A><BR>
-<A HREF="manual.html#lua_newtable">lua_newtable</A><BR>
-<A HREF="manual.html#lua_newthread">lua_newthread</A><BR>
-<A HREF="manual.html#lua_newuserdata">lua_newuserdata</A><BR>
-<A HREF="manual.html#lua_next">lua_next</A><BR>
-<A HREF="manual.html#lua_numbertointeger">lua_numbertointeger</A><BR>
-<A HREF="manual.html#lua_pcall">lua_pcall</A><BR>
-<A HREF="manual.html#lua_pcallk">lua_pcallk</A><BR>
-<A HREF="manual.html#lua_pop">lua_pop</A><BR>
-<A HREF="manual.html#lua_pushboolean">lua_pushboolean</A><BR>
-<A HREF="manual.html#lua_pushcclosure">lua_pushcclosure</A><BR>
-<A HREF="manual.html#lua_pushcfunction">lua_pushcfunction</A><BR>
-<A HREF="manual.html#lua_pushfstring">lua_pushfstring</A><BR>
-<A HREF="manual.html#lua_pushglobaltable">lua_pushglobaltable</A><BR>
-<A HREF="manual.html#lua_pushinteger">lua_pushinteger</A><BR>
-<A HREF="manual.html#lua_pushlightuserdata">lua_pushlightuserdata</A><BR>
-<A HREF="manual.html#lua_pushliteral">lua_pushliteral</A><BR>
-<A HREF="manual.html#lua_pushlstring">lua_pushlstring</A><BR>
-<A HREF="manual.html#lua_pushnil">lua_pushnil</A><BR>
-<A HREF="manual.html#lua_pushnumber">lua_pushnumber</A><BR>
-<A HREF="manual.html#lua_pushstring">lua_pushstring</A><BR>
-<A HREF="manual.html#lua_pushthread">lua_pushthread</A><BR>
-<A HREF="manual.html#lua_pushvalue">lua_pushvalue</A><BR>
-<A HREF="manual.html#lua_pushvfstring">lua_pushvfstring</A><BR>
-<A HREF="manual.html#lua_rawequal">lua_rawequal</A><BR>
-<A HREF="manual.html#lua_rawget">lua_rawget</A><BR>
-<A HREF="manual.html#lua_rawgeti">lua_rawgeti</A><BR>
-<A HREF="manual.html#lua_rawgetp">lua_rawgetp</A><BR>
-<A HREF="manual.html#lua_rawlen">lua_rawlen</A><BR>
-<A HREF="manual.html#lua_rawset">lua_rawset</A><BR>
-<A HREF="manual.html#lua_rawseti">lua_rawseti</A><BR>
-<A HREF="manual.html#lua_rawsetp">lua_rawsetp</A><BR>
-<A HREF="manual.html#lua_register">lua_register</A><BR>
-<A HREF="manual.html#lua_remove">lua_remove</A><BR>
-<A HREF="manual.html#lua_replace">lua_replace</A><BR>
-<A HREF="manual.html#lua_resume">lua_resume</A><BR>
-<A HREF="manual.html#lua_rotate">lua_rotate</A><BR>
-<A HREF="manual.html#lua_setallocf">lua_setallocf</A><BR>
-<A HREF="manual.html#lua_setfield">lua_setfield</A><BR>
-<A HREF="manual.html#lua_setglobal">lua_setglobal</A><BR>
-<A HREF="manual.html#lua_sethook">lua_sethook</A><BR>
-<A HREF="manual.html#lua_seti">lua_seti</A><BR>
-<A HREF="manual.html#lua_setlocal">lua_setlocal</A><BR>
-<A HREF="manual.html#lua_setmetatable">lua_setmetatable</A><BR>
-<A HREF="manual.html#lua_settable">lua_settable</A><BR>
-<A HREF="manual.html#lua_settop">lua_settop</A><BR>
-<A HREF="manual.html#lua_setupvalue">lua_setupvalue</A><BR>
-<A HREF="manual.html#lua_setuservalue">lua_setuservalue</A><BR>
-<A HREF="manual.html#lua_status">lua_status</A><BR>
-<A HREF="manual.html#lua_stringtonumber">lua_stringtonumber</A><BR>
-<A HREF="manual.html#lua_toboolean">lua_toboolean</A><BR>
-<A HREF="manual.html#lua_tocfunction">lua_tocfunction</A><BR>
-<A HREF="manual.html#lua_tointeger">lua_tointeger</A><BR>
-<A HREF="manual.html#lua_tointegerx">lua_tointegerx</A><BR>
-<A HREF="manual.html#lua_tolstring">lua_tolstring</A><BR>
-<A HREF="manual.html#lua_tonumber">lua_tonumber</A><BR>
-<A HREF="manual.html#lua_tonumberx">lua_tonumberx</A><BR>
-<A HREF="manual.html#lua_topointer">lua_topointer</A><BR>
-<A HREF="manual.html#lua_tostring">lua_tostring</A><BR>
-<A HREF="manual.html#lua_tothread">lua_tothread</A><BR>
-<A HREF="manual.html#lua_touserdata">lua_touserdata</A><BR>
-<A HREF="manual.html#lua_type">lua_type</A><BR>
-<A HREF="manual.html#lua_typename">lua_typename</A><BR>
-<A HREF="manual.html#lua_upvalueid">lua_upvalueid</A><BR>
-<A HREF="manual.html#lua_upvalueindex">lua_upvalueindex</A><BR>
-<A HREF="manual.html#lua_upvaluejoin">lua_upvaluejoin</A><BR>
-<A HREF="manual.html#lua_version">lua_version</A><BR>
-<A HREF="manual.html#lua_xmove">lua_xmove</A><BR>
-<A HREF="manual.html#lua_yield">lua_yield</A><BR>
-<A HREF="manual.html#lua_yieldk">lua_yieldk</A><BR>
-
-</TD>
-<TD>
-<H3><A NAME="auxlib">auxiliary library</A></H3>
-<P>
-<A HREF="manual.html#luaL_Buffer">luaL_Buffer</A><BR>
-<A HREF="manual.html#luaL_Reg">luaL_Reg</A><BR>
-<A HREF="manual.html#luaL_Stream">luaL_Stream</A><BR>
-
-<P>
-<A HREF="manual.html#luaL_addchar">luaL_addchar</A><BR>
-<A HREF="manual.html#luaL_addlstring">luaL_addlstring</A><BR>
-<A HREF="manual.html#luaL_addsize">luaL_addsize</A><BR>
-<A HREF="manual.html#luaL_addstring">luaL_addstring</A><BR>
-<A HREF="manual.html#luaL_addvalue">luaL_addvalue</A><BR>
-<A HREF="manual.html#luaL_argcheck">luaL_argcheck</A><BR>
-<A HREF="manual.html#luaL_argerror">luaL_argerror</A><BR>
-<A HREF="manual.html#luaL_buffinit">luaL_buffinit</A><BR>
-<A HREF="manual.html#luaL_buffinitsize">luaL_buffinitsize</A><BR>
-<A HREF="manual.html#luaL_callmeta">luaL_callmeta</A><BR>
-<A HREF="manual.html#luaL_checkany">luaL_checkany</A><BR>
-<A HREF="manual.html#luaL_checkinteger">luaL_checkinteger</A><BR>
-<A HREF="manual.html#luaL_checklstring">luaL_checklstring</A><BR>
-<A HREF="manual.html#luaL_checknumber">luaL_checknumber</A><BR>
-<A HREF="manual.html#luaL_checkoption">luaL_checkoption</A><BR>
-<A HREF="manual.html#luaL_checkstack">luaL_checkstack</A><BR>
-<A HREF="manual.html#luaL_checkstring">luaL_checkstring</A><BR>
-<A HREF="manual.html#luaL_checktype">luaL_checktype</A><BR>
-<A HREF="manual.html#luaL_checkudata">luaL_checkudata</A><BR>
-<A HREF="manual.html#luaL_checkversion">luaL_checkversion</A><BR>
-<A HREF="manual.html#luaL_dofile">luaL_dofile</A><BR>
-<A HREF="manual.html#luaL_dostring">luaL_dostring</A><BR>
-<A HREF="manual.html#luaL_error">luaL_error</A><BR>
-<A HREF="manual.html#luaL_execresult">luaL_execresult</A><BR>
-<A HREF="manual.html#luaL_fileresult">luaL_fileresult</A><BR>
-<A HREF="manual.html#luaL_getmetafield">luaL_getmetafield</A><BR>
-<A HREF="manual.html#luaL_getmetatable">luaL_getmetatable</A><BR>
-<A HREF="manual.html#luaL_getsubtable">luaL_getsubtable</A><BR>
-<A HREF="manual.html#luaL_gsub">luaL_gsub</A><BR>
-<A HREF="manual.html#luaL_len">luaL_len</A><BR>
-<A HREF="manual.html#luaL_loadbuffer">luaL_loadbuffer</A><BR>
-<A HREF="manual.html#luaL_loadbufferx">luaL_loadbufferx</A><BR>
-<A HREF="manual.html#luaL_loadfile">luaL_loadfile</A><BR>
-<A HREF="manual.html#luaL_loadfilex">luaL_loadfilex</A><BR>
-<A HREF="manual.html#luaL_loadstring">luaL_loadstring</A><BR>
-<A HREF="manual.html#luaL_newlib">luaL_newlib</A><BR>
-<A HREF="manual.html#luaL_newlibtable">luaL_newlibtable</A><BR>
-<A HREF="manual.html#luaL_newmetatable">luaL_newmetatable</A><BR>
-<A HREF="manual.html#luaL_newstate">luaL_newstate</A><BR>
-<A HREF="manual.html#luaL_openlibs">luaL_openlibs</A><BR>
-<A HREF="manual.html#luaL_opt">luaL_opt</A><BR>
-<A HREF="manual.html#luaL_optinteger">luaL_optinteger</A><BR>
-<A HREF="manual.html#luaL_optlstring">luaL_optlstring</A><BR>
-<A HREF="manual.html#luaL_optnumber">luaL_optnumber</A><BR>
-<A HREF="manual.html#luaL_optstring">luaL_optstring</A><BR>
-<A HREF="manual.html#luaL_prepbuffer">luaL_prepbuffer</A><BR>
-<A HREF="manual.html#luaL_prepbuffsize">luaL_prepbuffsize</A><BR>
-<A HREF="manual.html#luaL_pushresult">luaL_pushresult</A><BR>
-<A HREF="manual.html#luaL_pushresultsize">luaL_pushresultsize</A><BR>
-<A HREF="manual.html#luaL_ref">luaL_ref</A><BR>
-<A HREF="manual.html#luaL_requiref">luaL_requiref</A><BR>
-<A HREF="manual.html#luaL_setfuncs">luaL_setfuncs</A><BR>
-<A HREF="manual.html#luaL_setmetatable">luaL_setmetatable</A><BR>
-<A HREF="manual.html#luaL_testudata">luaL_testudata</A><BR>
-<A HREF="manual.html#luaL_tolstring">luaL_tolstring</A><BR>
-<A HREF="manual.html#luaL_traceback">luaL_traceback</A><BR>
-<A HREF="manual.html#luaL_typename">luaL_typename</A><BR>
-<A HREF="manual.html#luaL_unref">luaL_unref</A><BR>
-<A HREF="manual.html#luaL_where">luaL_where</A><BR>
-
-<H3><A NAME="library">standard library</A></H3>
-<P>
-<A HREF="manual.html#pdf-luaopen_base">luaopen_base</A><BR>
-<A HREF="manual.html#pdf-luaopen_coroutine">luaopen_coroutine</A><BR>
-<A HREF="manual.html#pdf-luaopen_debug">luaopen_debug</A><BR>
-<A HREF="manual.html#pdf-luaopen_io">luaopen_io</A><BR>
-<A HREF="manual.html#pdf-luaopen_math">luaopen_math</A><BR>
-<A HREF="manual.html#pdf-luaopen_os">luaopen_os</A><BR>
-<A HREF="manual.html#pdf-luaopen_package">luaopen_package</A><BR>
-<A HREF="manual.html#pdf-luaopen_string">luaopen_string</A><BR>
-<A HREF="manual.html#pdf-luaopen_table">luaopen_table</A><BR>
-<A HREF="manual.html#pdf-luaopen_utf8">luaopen_utf8</A><BR>
-
-<H3><A NAME="constants">constants</A></H3>
-<P>
-<A HREF="manual.html#pdf-LUA_ERRERR">LUA_ERRERR</A><BR>
-<A HREF="manual.html#pdf-LUA_ERRFILE">LUA_ERRFILE</A><BR>
-<A HREF="manual.html#pdf-LUA_ERRGCMM">LUA_ERRGCMM</A><BR>
-<A HREF="manual.html#pdf-LUA_ERRMEM">LUA_ERRMEM</A><BR>
-<A HREF="manual.html#pdf-LUA_ERRRUN">LUA_ERRRUN</A><BR>
-<A HREF="manual.html#pdf-LUA_ERRSYNTAX">LUA_ERRSYNTAX</A><BR>
-<A HREF="manual.html#pdf-LUA_HOOKCALL">LUA_HOOKCALL</A><BR>
-<A HREF="manual.html#pdf-LUA_HOOKCOUNT">LUA_HOOKCOUNT</A><BR>
-<A HREF="manual.html#pdf-LUA_HOOKLINE">LUA_HOOKLINE</A><BR>
-<A HREF="manual.html#pdf-LUA_HOOKRET">LUA_HOOKRET</A><BR>
-<A HREF="manual.html#pdf-LUA_HOOKTAILCALL">LUA_HOOKTAILCALL</A><BR>
-<A HREF="manual.html#pdf-LUA_MASKCALL">LUA_MASKCALL</A><BR>
-<A HREF="manual.html#pdf-LUA_MASKCOUNT">LUA_MASKCOUNT</A><BR>
-<A HREF="manual.html#pdf-LUA_MASKLINE">LUA_MASKLINE</A><BR>
-<A HREF="manual.html#pdf-LUA_MASKRET">LUA_MASKRET</A><BR>
-<A HREF="manual.html#pdf-LUA_MAXINTEGER">LUA_MAXINTEGER</A><BR>
-<A HREF="manual.html#pdf-LUA_MININTEGER">LUA_MININTEGER</A><BR>
-<A HREF="manual.html#pdf-LUA_MINSTACK">LUA_MINSTACK</A><BR>
-<A HREF="manual.html#pdf-LUA_MULTRET">LUA_MULTRET</A><BR>
-<A HREF="manual.html#pdf-LUA_NOREF">LUA_NOREF</A><BR>
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-<A HREF="manual.html#pdf-LUA_OPBOR">LUA_OPBOR</A><BR>
-<A HREF="manual.html#pdf-LUA_OPBXOR">LUA_OPBXOR</A><BR>
-<A HREF="manual.html#pdf-LUA_OPDIV">LUA_OPDIV</A><BR>
-<A HREF="manual.html#pdf-LUA_OPEQ">LUA_OPEQ</A><BR>
-<A HREF="manual.html#pdf-LUA_OPIDIV">LUA_OPIDIV</A><BR>
-<A HREF="manual.html#pdf-LUA_OPLE">LUA_OPLE</A><BR>
-<A HREF="manual.html#pdf-LUA_OPLT">LUA_OPLT</A><BR>
-<A HREF="manual.html#pdf-LUA_OPMOD">LUA_OPMOD</A><BR>
-<A HREF="manual.html#pdf-LUA_OPMUL">LUA_OPMUL</A><BR>
-<A HREF="manual.html#pdf-LUA_OPPOW">LUA_OPPOW</A><BR>
-<A HREF="manual.html#pdf-LUA_OPSHL">LUA_OPSHL</A><BR>
-<A HREF="manual.html#pdf-LUA_OPSHR">LUA_OPSHR</A><BR>
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-<A HREF="manual.html#pdf-LUA_OPUNM">LUA_OPUNM</A><BR>
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-<A HREF="manual.html#pdf-LUA_REGISTRYINDEX">LUA_REGISTRYINDEX</A><BR>
-<A HREF="manual.html#pdf-LUA_RIDX_GLOBALS">LUA_RIDX_GLOBALS</A><BR>
-<A HREF="manual.html#pdf-LUA_RIDX_MAINTHREAD">LUA_RIDX_MAINTHREAD</A><BR>
-<A HREF="manual.html#pdf-LUA_TBOOLEAN">LUA_TBOOLEAN</A><BR>
-<A HREF="manual.html#pdf-LUA_TFUNCTION">LUA_TFUNCTION</A><BR>
-<A HREF="manual.html#pdf-LUA_TLIGHTUSERDATA">LUA_TLIGHTUSERDATA</A><BR>
-<A HREF="manual.html#pdf-LUA_TNIL">LUA_TNIL</A><BR>
-<A HREF="manual.html#pdf-LUA_TNONE">LUA_TNONE</A><BR>
-<A HREF="manual.html#pdf-LUA_TNUMBER">LUA_TNUMBER</A><BR>
-<A HREF="manual.html#pdf-LUA_TSTRING">LUA_TSTRING</A><BR>
-<A HREF="manual.html#pdf-LUA_TTABLE">LUA_TTABLE</A><BR>
-<A HREF="manual.html#pdf-LUA_TTHREAD">LUA_TTHREAD</A><BR>
-<A HREF="manual.html#pdf-LUA_TUSERDATA">LUA_TUSERDATA</A><BR>
-<A HREF="manual.html#pdf-LUA_USE_APICHECK">LUA_USE_APICHECK</A><BR>
-<A HREF="manual.html#pdf-LUA_YIELD">LUA_YIELD</A><BR>
-<A HREF="manual.html#pdf-LUAL_BUFFERSIZE">LUAL_BUFFERSIZE</A><BR>
-
-</TD>
-</TR>
-</TABLE>
-
-<P CLASS="footer">
-Last update:
-Tue Aug 25 13:45:14 UTC 2020
-</P>
-<!--
-Last change: revised for Lua 5.3.6
--->
-
-</BODY>
-</HTML>
diff --git a/Build/source/libs/lua53/lua53-src/doc/index.css b/Build/source/libs/lua53/lua53-src/doc/index.css
deleted file mode 100644
index c9618357319..00000000000
--- a/Build/source/libs/lua53/lua53-src/doc/index.css
+++ /dev/null
@@ -1,21 +0,0 @@
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- border: none ;
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- vertical-align: top ;
- padding: 0 ;
- text-align: left ;
- line-height: 1.25 ;
- width: 15% ;
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diff --git a/Build/source/libs/lua53/lua53-src/doc/logo.gif b/Build/source/libs/lua53/lua53-src/doc/logo.gif
deleted file mode 100644
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--- a/Build/source/libs/lua53/lua53-src/doc/logo.gif
+++ /dev/null
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diff --git a/Build/source/libs/lua53/lua53-src/doc/lua.1 b/Build/source/libs/lua53/lua53-src/doc/lua.1
deleted file mode 100644
index d728d0b80c1..00000000000
--- a/Build/source/libs/lua53/lua53-src/doc/lua.1
+++ /dev/null
@@ -1,112 +0,0 @@
-.\" $Id: lua.man,v 1.14 2016/10/17 15:43:50 lhf Exp $
-.TH LUA 1 "$Date: 2016/10/17 15:43:50 $"
-.SH NAME
-lua \- Lua interpreter
-.SH SYNOPSIS
-.B lua
-[
-.I options
-]
-[
-.I script
-[
-.I args
-]
-]
-.SH DESCRIPTION
-.B lua
-is the standalone Lua interpreter.
-It loads and executes Lua programs,
-either in textual source form or
-in precompiled binary form.
-(Precompiled binaries are output by
-.BR luac ,
-the Lua compiler.)
-.B lua
-can be used as a batch interpreter and also interactively.
-.LP
-The given
-.I options
-are handled in order and then
-the Lua program in file
-.I script
-is loaded and executed.
-The given
-.I args
-are available to
-.I script
-as strings in a global table named
-.BR arg .
-If no options or arguments are given,
-then
-.B "\-v \-i"
-is assumed when the standard input is a terminal;
-otherwise,
-.B "\-"
-is assumed.
-.LP
-In interactive mode,
-.B lua
-prompts the user,
-reads lines from the standard input,
-and executes them as they are read.
-If the line contains an expression or list of expressions,
-then the line is evaluated and the results are printed.
-If a line does not contain a complete statement,
-then a secondary prompt is displayed and
-lines are read until a complete statement is formed or
-a syntax error is found.
-.LP
-At the very start,
-before even handling the command line,
-.B lua
-checks the contents of the environment variables
-.B LUA_INIT_5_3
-or
-.BR LUA_INIT ,
-in that order.
-If the contents is of the form
-.RI '@ filename ',
-then
-.I filename
-is executed.
-Otherwise, the string is assumed to be a Lua statement and is executed.
-.SH OPTIONS
-.TP
-.BI \-e " stat"
-execute statement
-.IR stat .
-.TP
-.B \-i
-enter interactive mode after executing
-.IR script .
-.TP
-.BI \-l " name"
-execute the equivalent of
-.IB name =require(' name ')
-before executing
-.IR script .
-.TP
-.B \-v
-show version information.
-.TP
-.B \-E
-ignore environment variables.
-.TP
-.B \-\-
-stop handling options.
-.TP
-.B \-
-stop handling options and execute the standard input as a file.
-.SH "SEE ALSO"
-.BR luac (1)
-.br
-The documentation at lua.org,
-especially section 7 of the reference manual.
-.SH DIAGNOSTICS
-Error messages should be self explanatory.
-.SH AUTHORS
-R. Ierusalimschy,
-L. H. de Figueiredo,
-W. Celes
-.\" EOF
diff --git a/Build/source/libs/lua53/lua53-src/doc/lua.css b/Build/source/libs/lua53/lua53-src/doc/lua.css
deleted file mode 100644
index cbd0799d152..00000000000
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-body {
- background-color: #FFFFFF ;
- color: #000000 ;
- font-family: Helvetica, Arial, sans-serif ;
- text-align: justify ;
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- margin: 16px auto ;
- padding: 32px ;
- border: solid #ccc 1px ;
- border-radius: 20px ;
- max-width: 70em ;
- width: 90% ;
-}
-
-h1, h2, h3, h4 {
- color: #000080 ;
- font-family: Verdana, Geneva, sans-serif ;
- font-weight: normal ;
- font-style: normal ;
- text-align: left ;
-}
-
-h1 {
- font-size: 28pt ;
-}
-
-h1 img {
- vertical-align: text-bottom ;
-}
-
-h2:before {
- content: "\2756" ;
- padding-right: 0.5em ;
-}
-
-a {
- text-decoration: none ;
-}
-
-a:link {
- color: #000080 ;
-}
-
-a:link:hover, a:visited:hover {
- background-color: #D0D0FF ;
- color: #000080 ;
- border-radius: 4px ;
-}
-
-a:link:active, a:visited:active {
- color: #FF0000 ;
-}
-
-div.menubar {
- padding-bottom: 0.5em ;
-}
-
-p.menubar {
- margin-left: 2.5em ;
-}
-
-.menubar a:hover {
- margin: -3px -3px -3px -3px ;
- padding: 3px 3px 3px 3px ;
- border-radius: 4px ;
-}
-
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- background-color: #F0F0F0 ;
- margin: -8px ;
- padding: 8px ;
- border-radius: 8px ;
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- display: none ;
-}
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-table hr {
- background-color: #a0a0a0 ;
- color: #a0a0a0 ;
- border: 0 ;
- height: 1px ;
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-.footer {
- color: gray ;
- font-size: x-small ;
- text-transform: lowercase ;
-}
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- border: solid #a0a0a0 2px ;
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- background-image: url('images/search.png') ;
- background-repeat: no-repeat ;
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- width: 4% ;
-}
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- vertical-align: top ;
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- line-height: 1.25 ;
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- font-size: small ;
- text-align: left ;
- display: block ;
- margin-top: 0.25em ;
-}
-
-p.logos a:link:hover, p.logos a:visited:hover {
- background-color: inherit ;
-}
-
-img {
- background-color: white ;
-}
diff --git a/Build/source/libs/lua53/lua53-src/doc/luac.1 b/Build/source/libs/lua53/lua53-src/doc/luac.1
deleted file mode 100644
index 33a4ed00ace..00000000000
--- a/Build/source/libs/lua53/lua53-src/doc/luac.1
+++ /dev/null
@@ -1,118 +0,0 @@
-.\" $Id: luac.man,v 1.29 2011/11/16 13:53:40 lhf Exp $
-.TH LUAC 1 "$Date: 2011/11/16 13:53:40 $"
-.SH NAME
-luac \- Lua compiler
-.SH SYNOPSIS
-.B luac
-[
-.I options
-] [
-.I filenames
-]
-.SH DESCRIPTION
-.B luac
-is the Lua compiler.
-It translates programs written in the Lua programming language
-into binary files containing precompiled chunks
-that can be later loaded and executed.
-.LP
-The main advantages of precompiling chunks are:
-faster loading,
-protecting source code from accidental user changes,
-and
-off-line syntax checking.
-Precompiling does not imply faster execution
-because in Lua chunks are always compiled into bytecodes before being executed.
-.B luac
-simply allows those bytecodes to be saved in a file for later execution.
-Precompiled chunks are not necessarily smaller than the corresponding source.
-The main goal in precompiling is faster loading.
-.LP
-In the command line,
-you can mix
-text files containing Lua source and
-binary files containing precompiled chunks.
-.B luac
-produces a single output file containing the combined bytecodes
-for all files given.
-Executing the combined file is equivalent to executing the given files.
-By default,
-the output file is named
-.BR luac.out ,
-but you can change this with the
-.B \-o
-option.
-.LP
-Precompiled chunks are
-.I not
-portable across different architectures.
-Moreover,
-the internal format of precompiled chunks
-is likely to change when a new version of Lua is released.
-Make sure you save the source files of all Lua programs that you precompile.
-.LP
-.SH OPTIONS
-.TP
-.B \-l
-produce a listing of the compiled bytecode for Lua's virtual machine.
-Listing bytecodes is useful to learn about Lua's virtual machine.
-If no files are given, then
-.B luac
-loads
-.B luac.out
-and lists its contents.
-Use
-.B \-l \-l
-for a full listing.
-.TP
-.BI \-o " file"
-output to
-.IR file ,
-instead of the default
-.BR luac.out .
-(You can use
-.B "'\-'"
-for standard output,
-but not on platforms that open standard output in text mode.)
-The output file may be one of the given files because
-all files are loaded before the output file is written.
-Be careful not to overwrite precious files.
-.TP
-.B \-p
-load files but do not generate any output file.
-Used mainly for syntax checking and for testing precompiled chunks:
-corrupted files will probably generate errors when loaded.
-If no files are given, then
-.B luac
-loads
-.B luac.out
-and tests its contents.
-No messages are displayed if the file loads without errors.
-.TP
-.B \-s
-strip debug information before writing the output file.
-This saves some space in very large chunks,
-but if errors occur when running a stripped chunk,
-then the error messages may not contain the full information they usually do.
-In particular,
-line numbers and names of local variables are lost.
-.TP
-.B \-v
-show version information.
-.TP
-.B \-\-
-stop handling options.
-.TP
-.B \-
-stop handling options and process standard input.
-.SH "SEE ALSO"
-.BR lua (1)
-.br
-The documentation at lua.org.
-.SH DIAGNOSTICS
-Error messages should be self explanatory.
-.SH AUTHORS
-R. Ierusalimschy,
-L. H. de Figueiredo,
-W. Celes
-.\" EOF
diff --git a/Build/source/libs/lua53/lua53-src/doc/manual.css b/Build/source/libs/lua53/lua53-src/doc/manual.css
deleted file mode 100644
index aa0e677dd52..00000000000
--- a/Build/source/libs/lua53/lua53-src/doc/manual.css
+++ /dev/null
@@ -1,21 +0,0 @@
-h3 code {
- font-family: inherit ;
- font-size: inherit ;
-}
-
-pre, code {
- font-size: 12pt ;
-}
-
-span.apii {
- color: gray ;
- float: right ;
- font-family: inherit ;
- font-style: normal ;
- font-size: small ;
-}
-
-h2:before {
- content: "" ;
- padding-right: 0em ;
-}
diff --git a/Build/source/libs/lua53/lua53-src/doc/manual.html b/Build/source/libs/lua53/lua53-src/doc/manual.html
deleted file mode 100644
index 57c778744b7..00000000000
--- a/Build/source/libs/lua53/lua53-src/doc/manual.html
+++ /dev/null
@@ -1,10982 +0,0 @@
-<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
-<HTML>
-<HEAD>
-<TITLE>Lua 5.3 Reference Manual</TITLE>
-<LINK REL="stylesheet" TYPE="text/css" HREF="lua.css">
-<LINK REL="stylesheet" TYPE="text/css" HREF="manual.css">
-<META HTTP-EQUIV="content-type" CONTENT="text/html; charset=iso-8859-1">
-</HEAD>
-
-<BODY>
-
-<H1>
-<A HREF="http://www.lua.org/"><IMG SRC="logo.gif" ALT="Lua"></A>
-Lua 5.3 Reference Manual
-</H1>
-
-<P>
-by Roberto Ierusalimschy, Luiz Henrique de Figueiredo, Waldemar Celes
-
-<P>
-<SMALL>
-Copyright &copy; 2015&ndash;2020 Lua.org, PUC-Rio.
-Freely available under the terms of the
-<a href="http://www.lua.org/license.html">Lua license</a>.
-</SMALL>
-
-<DIV CLASS="menubar">
-<A HREF="contents.html#contents">contents</A>
-&middot;
-<A HREF="contents.html#index">index</A>
-&middot;
-<A HREF="http://www.lua.org/manual/">other versions</A>
-</DIV>
-
-<!-- ====================================================================== -->
-<p>
-
-<!-- $Id: manual.of,v 1.167.1.2 2018/06/26 15:49:07 roberto Exp $ -->
-
-
-
-
-<h1>1 &ndash; <a name="1">Introduction</a></h1>
-
-<p>
-Lua is a powerful, efficient, lightweight, embeddable scripting language.
-It supports procedural programming,
-object-oriented programming, functional programming,
-data-driven programming, and data description.
-
-
-<p>
-Lua combines simple procedural syntax with powerful data description
-constructs based on associative arrays and extensible semantics.
-Lua is dynamically typed,
-runs by interpreting bytecode with a register-based
-virtual machine,
-and has automatic memory management with
-incremental garbage collection,
-making it ideal for configuration, scripting,
-and rapid prototyping.
-
-
-<p>
-Lua is implemented as a library, written in <em>clean C</em>,
-the common subset of Standard&nbsp;C and C++.
-The Lua distribution includes a host program called <code>lua</code>,
-which uses the Lua library to offer a complete,
-standalone Lua interpreter,
-for interactive or batch use.
-Lua is intended to be used both as a powerful, lightweight,
-embeddable scripting language for any program that needs one,
-and as a powerful but lightweight and efficient stand-alone language.
-
-
-<p>
-As an extension language, Lua has no notion of a "main" program:
-it works <em>embedded</em> in a host client,
-called the <em>embedding program</em> or simply the <em>host</em>.
-(Frequently, this host is the stand-alone <code>lua</code> program.)
-The host program can invoke functions to execute a piece of Lua code,
-can write and read Lua variables,
-and can register C&nbsp;functions to be called by Lua code.
-Through the use of C&nbsp;functions, Lua can be augmented to cope with
-a wide range of different domains,
-thus creating customized programming languages sharing a syntactical framework.
-
-
-<p>
-Lua is free software,
-and is provided as usual with no guarantees,
-as stated in its license.
-The implementation described in this manual is available
-at Lua's official web site, <code>www.lua.org</code>.
-
-
-<p>
-Like any other reference manual,
-this document is dry in places.
-For a discussion of the decisions behind the design of Lua,
-see the technical papers available at Lua's web site.
-For a detailed introduction to programming in Lua,
-see Roberto's book, <em>Programming in Lua</em>.
-
-
-
-<h1>2 &ndash; <a name="2">Basic Concepts</a></h1>
-
-<p>
-This section describes the basic concepts of the language.
-
-
-
-<h2>2.1 &ndash; <a name="2.1">Values and Types</a></h2>
-
-<p>
-Lua is a <em>dynamically typed language</em>.
-This means that
-variables do not have types; only values do.
-There are no type definitions in the language.
-All values carry their own type.
-
-
-<p>
-All values in Lua are <em>first-class values</em>.
-This means that all values can be stored in variables,
-passed as arguments to other functions, and returned as results.
-
-
-<p>
-There are eight basic types in Lua:
-<em>nil</em>, <em>boolean</em>, <em>number</em>,
-<em>string</em>, <em>function</em>, <em>userdata</em>,
-<em>thread</em>, and <em>table</em>.
-The type <em>nil</em> has one single value, <b>nil</b>,
-whose main property is to be different from any other value;
-it usually represents the absence of a useful value.
-The type <em>boolean</em> has two values, <b>false</b> and <b>true</b>.
-Both <b>nil</b> and <b>false</b> make a condition false;
-any other value makes it true.
-The type <em>number</em> represents both
-integer numbers and real (floating-point) numbers.
-The type <em>string</em> represents immutable sequences of bytes.
-
-Lua is 8-bit clean:
-strings can contain any 8-bit value,
-including embedded zeros ('<code>\0</code>').
-Lua is also encoding-agnostic;
-it makes no assumptions about the contents of a string.
-
-
-<p>
-The type <em>number</em> uses two internal representations,
-or two subtypes,
-one called <em>integer</em> and the other called <em>float</em>.
-Lua has explicit rules about when each representation is used,
-but it also converts between them automatically as needed (see <a href="#3.4.3">&sect;3.4.3</a>).
-Therefore,
-the programmer may choose to mostly ignore the difference
-between integers and floats
-or to assume complete control over the representation of each number.
-Standard Lua uses 64-bit integers and double-precision (64-bit) floats,
-but you can also compile Lua so that it
-uses 32-bit integers and/or single-precision (32-bit) floats.
-The option with 32 bits for both integers and floats
-is particularly attractive
-for small machines and embedded systems.
-(See macro <code>LUA_32BITS</code> in file <code>luaconf.h</code>.)
-
-
-<p>
-Lua can call (and manipulate) functions written in Lua and
-functions written in C (see <a href="#3.4.10">&sect;3.4.10</a>).
-Both are represented by the type <em>function</em>.
-
-
-<p>
-The type <em>userdata</em> is provided to allow arbitrary C&nbsp;data to
-be stored in Lua variables.
-A userdata value represents a block of raw memory.
-There are two kinds of userdata:
-<em>full userdata</em>,
-which is an object with a block of memory managed by Lua,
-and <em>light userdata</em>,
-which is simply a C&nbsp;pointer value.
-Userdata has no predefined operations in Lua,
-except assignment and identity test.
-By using <em>metatables</em>,
-the programmer can define operations for full userdata values
-(see <a href="#2.4">&sect;2.4</a>).
-Userdata values cannot be created or modified in Lua,
-only through the C&nbsp;API.
-This guarantees the integrity of data owned by the host program.
-
-
-<p>
-The type <em>thread</em> represents independent threads of execution
-and it is used to implement coroutines (see <a href="#2.6">&sect;2.6</a>).
-Lua threads are not related to operating-system threads.
-Lua supports coroutines on all systems,
-even those that do not support threads natively.
-
-
-<p>
-The type <em>table</em> implements associative arrays,
-that is, arrays that can have as indices not only numbers,
-but any Lua value except <b>nil</b> and NaN.
-(<em>Not a Number</em> is a special value used to represent
-undefined or unrepresentable numerical results, such as <code>0/0</code>.)
-Tables can be <em>heterogeneous</em>;
-that is, they can contain values of all types (except <b>nil</b>).
-Any key with value <b>nil</b> is not considered part of the table.
-Conversely, any key that is not part of a table has
-an associated value <b>nil</b>.
-
-
-<p>
-Tables are the sole data-structuring mechanism in Lua;
-they can be used to represent ordinary arrays, lists,
-symbol tables, sets, records, graphs, trees, etc.
-To represent records, Lua uses the field name as an index.
-The language supports this representation by
-providing <code>a.name</code> as syntactic sugar for <code>a["name"]</code>.
-There are several convenient ways to create tables in Lua
-(see <a href="#3.4.9">&sect;3.4.9</a>).
-
-
-<p>
-Like indices,
-the values of table fields can be of any type.
-In particular,
-because functions are first-class values,
-table fields can contain functions.
-Thus tables can also carry <em>methods</em> (see <a href="#3.4.11">&sect;3.4.11</a>).
-
-
-<p>
-The indexing of tables follows
-the definition of raw equality in the language.
-The expressions <code>a[i]</code> and <code>a[j]</code>
-denote the same table element
-if and only if <code>i</code> and <code>j</code> are raw equal
-(that is, equal without metamethods).
-In particular, floats with integral values
-are equal to their respective integers
-(e.g., <code>1.0 == 1</code>).
-To avoid ambiguities,
-any float with integral value used as a key
-is converted to its respective integer.
-For instance, if you write <code>a[2.0] = true</code>,
-the actual key inserted into the table will be the
-integer <code>2</code>.
-(On the other hand,
-2 and "<code>2</code>" are different Lua values and therefore
-denote different table entries.)
-
-
-<p>
-Tables, functions, threads, and (full) userdata values are <em>objects</em>:
-variables do not actually <em>contain</em> these values,
-only <em>references</em> to them.
-Assignment, parameter passing, and function returns
-always manipulate references to such values;
-these operations do not imply any kind of copy.
-
-
-<p>
-The library function <a href="#pdf-type"><code>type</code></a> returns a string describing the type
-of a given value (see <a href="#6.1">&sect;6.1</a>).
-
-
-
-
-
-<h2>2.2 &ndash; <a name="2.2">Environments and the Global Environment</a></h2>
-
-<p>
-As will be discussed in <a href="#3.2">&sect;3.2</a> and <a href="#3.3.3">&sect;3.3.3</a>,
-any reference to a free name
-(that is, a name not bound to any declaration) <code>var</code>
-is syntactically translated to <code>_ENV.var</code>.
-Moreover, every chunk is compiled in the scope of
-an external local variable named <code>_ENV</code> (see <a href="#3.3.2">&sect;3.3.2</a>),
-so <code>_ENV</code> itself is never a free name in a chunk.
-
-
-<p>
-Despite the existence of this external <code>_ENV</code> variable and
-the translation of free names,
-<code>_ENV</code> is a completely regular name.
-In particular,
-you can define new variables and parameters with that name.
-Each reference to a free name uses the <code>_ENV</code> that is
-visible at that point in the program,
-following the usual visibility rules of Lua (see <a href="#3.5">&sect;3.5</a>).
-
-
-<p>
-Any table used as the value of <code>_ENV</code> is called an <em>environment</em>.
-
-
-<p>
-Lua keeps a distinguished environment called the <em>global environment</em>.
-This value is kept at a special index in the C registry (see <a href="#4.5">&sect;4.5</a>).
-In Lua, the global variable <a href="#pdf-_G"><code>_G</code></a> is initialized with this same value.
-(<a href="#pdf-_G"><code>_G</code></a> is never used internally.)
-
-
-<p>
-When Lua loads a chunk,
-the default value for its <code>_ENV</code> upvalue
-is the global environment (see <a href="#pdf-load"><code>load</code></a>).
-Therefore, by default,
-free names in Lua code refer to entries in the global environment
-(and, therefore, they are also called <em>global variables</em>).
-Moreover, all standard libraries are loaded in the global environment
-and some functions there operate on that environment.
-You can use <a href="#pdf-load"><code>load</code></a> (or <a href="#pdf-loadfile"><code>loadfile</code></a>)
-to load a chunk with a different environment.
-(In C, you have to load the chunk and then change the value
-of its first upvalue.)
-
-
-
-
-
-<h2>2.3 &ndash; <a name="2.3">Error Handling</a></h2>
-
-<p>
-Because Lua is an embedded extension language,
-all Lua actions start from C&nbsp;code in the host program
-calling a function from the Lua library.
-(When you use Lua standalone,
-the <code>lua</code> application is the host program.)
-Whenever an error occurs during
-the compilation or execution of a Lua chunk,
-control returns to the host,
-which can take appropriate measures
-(such as printing an error message).
-
-
-<p>
-Lua code can explicitly generate an error by calling the
-<a href="#pdf-error"><code>error</code></a> function.
-If you need to catch errors in Lua,
-you can use <a href="#pdf-pcall"><code>pcall</code></a> or <a href="#pdf-xpcall"><code>xpcall</code></a>
-to call a given function in <em>protected mode</em>.
-
-
-<p>
-Whenever there is an error,
-an <em>error object</em> (also called an <em>error message</em>)
-is propagated with information about the error.
-Lua itself only generates errors whose error object is a string,
-but programs may generate errors with
-any value as the error object.
-It is up to the Lua program or its host to handle such error objects.
-
-
-<p>
-When you use <a href="#pdf-xpcall"><code>xpcall</code></a> or <a href="#lua_pcall"><code>lua_pcall</code></a>,
-you may give a <em>message handler</em>
-to be called in case of errors.
-This function is called with the original error object
-and returns a new error object.
-It is called before the error unwinds the stack,
-so that it can gather more information about the error,
-for instance by inspecting the stack and creating a stack traceback.
-This message handler is still protected by the protected call;
-so, an error inside the message handler
-will call the message handler again.
-If this loop goes on for too long,
-Lua breaks it and returns an appropriate message.
-(The message handler is called only for regular runtime errors.
-It is not called for memory-allocation errors
-nor for errors while running finalizers.)
-
-
-
-
-
-<h2>2.4 &ndash; <a name="2.4">Metatables and Metamethods</a></h2>
-
-<p>
-Every value in Lua can have a <em>metatable</em>.
-This <em>metatable</em> is an ordinary Lua table
-that defines the behavior of the original value
-under certain special operations.
-You can change several aspects of the behavior
-of operations over a value by setting specific fields in its metatable.
-For instance, when a non-numeric value is the operand of an addition,
-Lua checks for a function in the field "<code>__add</code>" of the value's metatable.
-If it finds one,
-Lua calls this function to perform the addition.
-
-
-<p>
-The key for each event in a metatable is a string
-with the event name prefixed by two underscores;
-the corresponding values are called <em>metamethods</em>.
-In the previous example, the key is "<code>__add</code>"
-and the metamethod is the function that performs the addition.
-Unless stated otherwise,
-metamethods should be function values.
-
-
-<p>
-You can query the metatable of any value
-using the <a href="#pdf-getmetatable"><code>getmetatable</code></a> function.
-Lua queries metamethods in metatables using a raw access (see <a href="#pdf-rawget"><code>rawget</code></a>).
-So, to retrieve the metamethod for event <code>ev</code> in object <code>o</code>,
-Lua does the equivalent to the following code:
-
-<pre>
- rawget(getmetatable(<em>o</em>) or {}, "__<em>ev</em>")
-</pre>
-
-<p>
-You can replace the metatable of tables
-using the <a href="#pdf-setmetatable"><code>setmetatable</code></a> function.
-You cannot change the metatable of other types from Lua code
-(except by using the debug library (<a href="#6.10">&sect;6.10</a>));
-you should use the C&nbsp;API for that.
-
-
-<p>
-Tables and full userdata have individual metatables
-(although multiple tables and userdata can share their metatables).
-Values of all other types share one single metatable per type;
-that is, there is one single metatable for all numbers,
-one for all strings, etc.
-By default, a value has no metatable,
-but the string library sets a metatable for the string type (see <a href="#6.4">&sect;6.4</a>).
-
-
-<p>
-A metatable controls how an object behaves in
-arithmetic operations, bitwise operations,
-order comparisons, concatenation, length operation, calls, and indexing.
-A metatable also can define a function to be called
-when a userdata or a table is garbage collected (<a href="#2.5">&sect;2.5</a>).
-
-
-<p>
-For the unary operators (negation, length, and bitwise NOT),
-the metamethod is computed and called with a dummy second operand,
-equal to the first one.
-This extra operand is only to simplify Lua's internals
-(by making these operators behave like a binary operation)
-and may be removed in future versions.
-(For most uses this extra operand is irrelevant.)
-
-
-<p>
-A detailed list of events controlled by metatables is given next.
-Each operation is identified by its corresponding key.
-
-
-
-<ul>
-
-<li><b><code>__add</code>: </b>
-the addition (<code>+</code>) operation.
-If any operand for an addition is not a number
-(nor a string coercible to a number),
-Lua will try to call a metamethod.
-First, Lua will check the first operand (even if it is valid).
-If that operand does not define a metamethod for <code>__add</code>,
-then Lua will check the second operand.
-If Lua can find a metamethod,
-it calls the metamethod with the two operands as arguments,
-and the result of the call
-(adjusted to one value)
-is the result of the operation.
-Otherwise,
-it raises an error.
-</li>
-
-<li><b><code>__sub</code>: </b>
-the subtraction (<code>-</code>) operation.
-Behavior similar to the addition operation.
-</li>
-
-<li><b><code>__mul</code>: </b>
-the multiplication (<code>*</code>) operation.
-Behavior similar to the addition operation.
-</li>
-
-<li><b><code>__div</code>: </b>
-the division (<code>/</code>) operation.
-Behavior similar to the addition operation.
-</li>
-
-<li><b><code>__mod</code>: </b>
-the modulo (<code>%</code>) operation.
-Behavior similar to the addition operation.
-</li>
-
-<li><b><code>__pow</code>: </b>
-the exponentiation (<code>^</code>) operation.
-Behavior similar to the addition operation.
-</li>
-
-<li><b><code>__unm</code>: </b>
-the negation (unary <code>-</code>) operation.
-Behavior similar to the addition operation.
-</li>
-
-<li><b><code>__idiv</code>: </b>
-the floor division (<code>//</code>) operation.
-Behavior similar to the addition operation.
-</li>
-
-<li><b><code>__band</code>: </b>
-the bitwise AND (<code>&amp;</code>) operation.
-Behavior similar to the addition operation,
-except that Lua will try a metamethod
-if any operand is neither an integer
-nor a value coercible to an integer (see <a href="#3.4.3">&sect;3.4.3</a>).
-</li>
-
-<li><b><code>__bor</code>: </b>
-the bitwise OR (<code>|</code>) operation.
-Behavior similar to the bitwise AND operation.
-</li>
-
-<li><b><code>__bxor</code>: </b>
-the bitwise exclusive OR (binary <code>~</code>) operation.
-Behavior similar to the bitwise AND operation.
-</li>
-
-<li><b><code>__bnot</code>: </b>
-the bitwise NOT (unary <code>~</code>) operation.
-Behavior similar to the bitwise AND operation.
-</li>
-
-<li><b><code>__shl</code>: </b>
-the bitwise left shift (<code>&lt;&lt;</code>) operation.
-Behavior similar to the bitwise AND operation.
-</li>
-
-<li><b><code>__shr</code>: </b>
-the bitwise right shift (<code>&gt;&gt;</code>) operation.
-Behavior similar to the bitwise AND operation.
-</li>
-
-<li><b><code>__concat</code>: </b>
-the concatenation (<code>..</code>) operation.
-Behavior similar to the addition operation,
-except that Lua will try a metamethod
-if any operand is neither a string nor a number
-(which is always coercible to a string).
-</li>
-
-<li><b><code>__len</code>: </b>
-the length (<code>#</code>) operation.
-If the object is not a string,
-Lua will try its metamethod.
-If there is a metamethod,
-Lua calls it with the object as argument,
-and the result of the call
-(always adjusted to one value)
-is the result of the operation.
-If there is no metamethod but the object is a table,
-then Lua uses the table length operation (see <a href="#3.4.7">&sect;3.4.7</a>).
-Otherwise, Lua raises an error.
-</li>
-
-<li><b><code>__eq</code>: </b>
-the equal (<code>==</code>) operation.
-Behavior similar to the addition operation,
-except that Lua will try a metamethod only when the values
-being compared are either both tables or both full userdata
-and they are not primitively equal.
-The result of the call is always converted to a boolean.
-</li>
-
-<li><b><code>__lt</code>: </b>
-the less than (<code>&lt;</code>) operation.
-Behavior similar to the addition operation,
-except that Lua will try a metamethod only when the values
-being compared are neither both numbers nor both strings.
-The result of the call is always converted to a boolean.
-</li>
-
-<li><b><code>__le</code>: </b>
-the less equal (<code>&lt;=</code>) operation.
-Unlike other operations,
-the less-equal operation can use two different events.
-First, Lua looks for the <code>__le</code> metamethod in both operands,
-like in the less than operation.
-If it cannot find such a metamethod,
-then it will try the <code>__lt</code> metamethod,
-assuming that <code>a &lt;= b</code> is equivalent to <code>not (b &lt; a)</code>.
-As with the other comparison operators,
-the result is always a boolean.
-(This use of the <code>__lt</code> event can be removed in future versions;
-it is also slower than a real <code>__le</code> metamethod.)
-</li>
-
-<li><b><code>__index</code>: </b>
-The indexing access operation <code>table[key]</code>.
-This event happens when <code>table</code> is not a table or
-when <code>key</code> is not present in <code>table</code>.
-The metamethod is looked up in <code>table</code>.
-
-
-<p>
-Despite the name,
-the metamethod for this event can be either a function or a table.
-If it is a function,
-it is called with <code>table</code> and <code>key</code> as arguments,
-and the result of the call
-(adjusted to one value)
-is the result of the operation.
-If it is a table,
-the final result is the result of indexing this table with <code>key</code>.
-(This indexing is regular, not raw,
-and therefore can trigger another metamethod.)
-</li>
-
-<li><b><code>__newindex</code>: </b>
-The indexing assignment <code>table[key] = value</code>.
-Like the index event,
-this event happens when <code>table</code> is not a table or
-when <code>key</code> is not present in <code>table</code>.
-The metamethod is looked up in <code>table</code>.
-
-
-<p>
-Like with indexing,
-the metamethod for this event can be either a function or a table.
-If it is a function,
-it is called with <code>table</code>, <code>key</code>, and <code>value</code> as arguments.
-If it is a table,
-Lua does an indexing assignment to this table with the same key and value.
-(This assignment is regular, not raw,
-and therefore can trigger another metamethod.)
-
-
-<p>
-Whenever there is a <code>__newindex</code> metamethod,
-Lua does not perform the primitive assignment.
-(If necessary,
-the metamethod itself can call <a href="#pdf-rawset"><code>rawset</code></a>
-to do the assignment.)
-</li>
-
-<li><b><code>__call</code>: </b>
-The call operation <code>func(args)</code>.
-This event happens when Lua tries to call a non-function value
-(that is, <code>func</code> is not a function).
-The metamethod is looked up in <code>func</code>.
-If present,
-the metamethod is called with <code>func</code> as its first argument,
-followed by the arguments of the original call (<code>args</code>).
-All results of the call
-are the result of the operation.
-(This is the only metamethod that allows multiple results.)
-</li>
-
-</ul>
-
-<p>
-It is a good practice to add all needed metamethods to a table
-before setting it as a metatable of some object.
-In particular, the <code>__gc</code> metamethod works only when this order
-is followed (see <a href="#2.5.1">&sect;2.5.1</a>).
-
-
-<p>
-Because metatables are regular tables,
-they can contain arbitrary fields,
-not only the event names defined above.
-Some functions in the standard library
-(e.g., <a href="#pdf-tostring"><code>tostring</code></a>)
-use other fields in metatables for their own purposes.
-
-
-
-
-
-<h2>2.5 &ndash; <a name="2.5">Garbage Collection</a></h2>
-
-<p>
-Lua performs automatic memory management.
-This means that
-you do not have to worry about allocating memory for new objects
-or freeing it when the objects are no longer needed.
-Lua manages memory automatically by running
-a <em>garbage collector</em> to collect all <em>dead objects</em>
-(that is, objects that are no longer accessible from Lua).
-All memory used by Lua is subject to automatic management:
-strings, tables, userdata, functions, threads, internal structures, etc.
-
-
-<p>
-Lua implements an incremental mark-and-sweep collector.
-It uses two numbers to control its garbage-collection cycles:
-the <em>garbage-collector pause</em> and
-the <em>garbage-collector step multiplier</em>.
-Both use percentage points as units
-(e.g., a value of 100 means an internal value of 1).
-
-
-<p>
-The garbage-collector pause
-controls how long the collector waits before starting a new cycle.
-Larger values make the collector less aggressive.
-Values smaller than 100 mean the collector will not wait to
-start a new cycle.
-A value of 200 means that the collector waits for the total memory in use
-to double before starting a new cycle.
-
-
-<p>
-The garbage-collector step multiplier
-controls the relative speed of the collector relative to
-memory allocation.
-Larger values make the collector more aggressive but also increase
-the size of each incremental step.
-You should not use values smaller than 100,
-because they make the collector too slow and
-can result in the collector never finishing a cycle.
-The default is 200,
-which means that the collector runs at "twice"
-the speed of memory allocation.
-
-
-<p>
-If you set the step multiplier to a very large number
-(larger than 10% of the maximum number of
-bytes that the program may use),
-the collector behaves like a stop-the-world collector.
-If you then set the pause to 200,
-the collector behaves as in old Lua versions,
-doing a complete collection every time Lua doubles its
-memory usage.
-
-
-<p>
-You can change these numbers by calling <a href="#lua_gc"><code>lua_gc</code></a> in C
-or <a href="#pdf-collectgarbage"><code>collectgarbage</code></a> in Lua.
-You can also use these functions to control
-the collector directly (e.g., stop and restart it).
-
-
-
-<h3>2.5.1 &ndash; <a name="2.5.1">Garbage-Collection Metamethods</a></h3>
-
-<p>
-You can set garbage-collector metamethods for tables
-and, using the C&nbsp;API,
-for full userdata (see <a href="#2.4">&sect;2.4</a>).
-These metamethods are also called <em>finalizers</em>.
-Finalizers allow you to coordinate Lua's garbage collection
-with external resource management
-(such as closing files, network or database connections,
-or freeing your own memory).
-
-
-<p>
-For an object (table or userdata) to be finalized when collected,
-you must <em>mark</em> it for finalization.
-
-You mark an object for finalization when you set its metatable
-and the metatable has a field indexed by the string "<code>__gc</code>".
-Note that if you set a metatable without a <code>__gc</code> field
-and later create that field in the metatable,
-the object will not be marked for finalization.
-
-
-<p>
-When a marked object becomes garbage,
-it is not collected immediately by the garbage collector.
-Instead, Lua puts it in a list.
-After the collection,
-Lua goes through that list.
-For each object in the list,
-it checks the object's <code>__gc</code> metamethod:
-If it is a function,
-Lua calls it with the object as its single argument;
-if the metamethod is not a function,
-Lua simply ignores it.
-
-
-<p>
-At the end of each garbage-collection cycle,
-the finalizers for objects are called in
-the reverse order that the objects were marked for finalization,
-among those collected in that cycle;
-that is, the first finalizer to be called is the one associated
-with the object marked last in the program.
-The execution of each finalizer may occur at any point during
-the execution of the regular code.
-
-
-<p>
-Because the object being collected must still be used by the finalizer,
-that object (and other objects accessible only through it)
-must be <em>resurrected</em> by Lua.
-Usually, this resurrection is transient,
-and the object memory is freed in the next garbage-collection cycle.
-However, if the finalizer stores the object in some global place
-(e.g., a global variable),
-then the resurrection is permanent.
-Moreover, if the finalizer marks a finalizing object for finalization again,
-its finalizer will be called again in the next cycle where the
-object is unreachable.
-In any case,
-the object memory is freed only in a GC cycle where
-the object is unreachable and not marked for finalization.
-
-
-<p>
-When you close a state (see <a href="#lua_close"><code>lua_close</code></a>),
-Lua calls the finalizers of all objects marked for finalization,
-following the reverse order that they were marked.
-If any finalizer marks objects for collection during that phase,
-these marks have no effect.
-
-
-
-
-
-<h3>2.5.2 &ndash; <a name="2.5.2">Weak Tables</a></h3>
-
-<p>
-A <em>weak table</em> is a table whose elements are
-<em>weak references</em>.
-A weak reference is ignored by the garbage collector.
-In other words,
-if the only references to an object are weak references,
-then the garbage collector will collect that object.
-
-
-<p>
-A weak table can have weak keys, weak values, or both.
-A table with weak values allows the collection of its values,
-but prevents the collection of its keys.
-A table with both weak keys and weak values allows the collection of
-both keys and values.
-In any case, if either the key or the value is collected,
-the whole pair is removed from the table.
-The weakness of a table is controlled by the
-<code>__mode</code> field of its metatable.
-If the <code>__mode</code> field is a string containing the character&nbsp;'<code>k</code>',
-the keys in the table are weak.
-If <code>__mode</code> contains '<code>v</code>',
-the values in the table are weak.
-
-
-<p>
-A table with weak keys and strong values
-is also called an <em>ephemeron table</em>.
-In an ephemeron table,
-a value is considered reachable only if its key is reachable.
-In particular,
-if the only reference to a key comes through its value,
-the pair is removed.
-
-
-<p>
-Any change in the weakness of a table may take effect only
-at the next collect cycle.
-In particular, if you change the weakness to a stronger mode,
-Lua may still collect some items from that table
-before the change takes effect.
-
-
-<p>
-Only objects that have an explicit construction
-are removed from weak tables.
-Values, such as numbers and light C&nbsp;functions,
-are not subject to garbage collection,
-and therefore are not removed from weak tables
-(unless their associated values are collected).
-Although strings are subject to garbage collection,
-they do not have an explicit construction,
-and therefore are not removed from weak tables.
-
-
-<p>
-Resurrected objects
-(that is, objects being finalized
-and objects accessible only through objects being finalized)
-have a special behavior in weak tables.
-They are removed from weak values before running their finalizers,
-but are removed from weak keys only in the next collection
-after running their finalizers, when such objects are actually freed.
-This behavior allows the finalizer to access properties
-associated with the object through weak tables.
-
-
-<p>
-If a weak table is among the resurrected objects in a collection cycle,
-it may not be properly cleared until the next cycle.
-
-
-
-
-
-
-
-<h2>2.6 &ndash; <a name="2.6">Coroutines</a></h2>
-
-<p>
-Lua supports coroutines,
-also called <em>collaborative multithreading</em>.
-A coroutine in Lua represents an independent thread of execution.
-Unlike threads in multithread systems, however,
-a coroutine only suspends its execution by explicitly calling
-a yield function.
-
-
-<p>
-You create a coroutine by calling <a href="#pdf-coroutine.create"><code>coroutine.create</code></a>.
-Its sole argument is a function
-that is the main function of the coroutine.
-The <code>create</code> function only creates a new coroutine and
-returns a handle to it (an object of type <em>thread</em>);
-it does not start the coroutine.
-
-
-<p>
-You execute a coroutine by calling <a href="#pdf-coroutine.resume"><code>coroutine.resume</code></a>.
-When you first call <a href="#pdf-coroutine.resume"><code>coroutine.resume</code></a>,
-passing as its first argument
-a thread returned by <a href="#pdf-coroutine.create"><code>coroutine.create</code></a>,
-the coroutine starts its execution by
-calling its main function.
-Extra arguments passed to <a href="#pdf-coroutine.resume"><code>coroutine.resume</code></a> are passed
-as arguments to that function.
-After the coroutine starts running,
-it runs until it terminates or <em>yields</em>.
-
-
-<p>
-A coroutine can terminate its execution in two ways:
-normally, when its main function returns
-(explicitly or implicitly, after the last instruction);
-and abnormally, if there is an unprotected error.
-In case of normal termination,
-<a href="#pdf-coroutine.resume"><code>coroutine.resume</code></a> returns <b>true</b>,
-plus any values returned by the coroutine main function.
-In case of errors, <a href="#pdf-coroutine.resume"><code>coroutine.resume</code></a> returns <b>false</b>
-plus an error object.
-
-
-<p>
-A coroutine yields by calling <a href="#pdf-coroutine.yield"><code>coroutine.yield</code></a>.
-When a coroutine yields,
-the corresponding <a href="#pdf-coroutine.resume"><code>coroutine.resume</code></a> returns immediately,
-even if the yield happens inside nested function calls
-(that is, not in the main function,
-but in a function directly or indirectly called by the main function).
-In the case of a yield, <a href="#pdf-coroutine.resume"><code>coroutine.resume</code></a> also returns <b>true</b>,
-plus any values passed to <a href="#pdf-coroutine.yield"><code>coroutine.yield</code></a>.
-The next time you resume the same coroutine,
-it continues its execution from the point where it yielded,
-with the call to <a href="#pdf-coroutine.yield"><code>coroutine.yield</code></a> returning any extra
-arguments passed to <a href="#pdf-coroutine.resume"><code>coroutine.resume</code></a>.
-
-
-<p>
-Like <a href="#pdf-coroutine.create"><code>coroutine.create</code></a>,
-the <a href="#pdf-coroutine.wrap"><code>coroutine.wrap</code></a> function also creates a coroutine,
-but instead of returning the coroutine itself,
-it returns a function that, when called, resumes the coroutine.
-Any arguments passed to this function
-go as extra arguments to <a href="#pdf-coroutine.resume"><code>coroutine.resume</code></a>.
-<a href="#pdf-coroutine.wrap"><code>coroutine.wrap</code></a> returns all the values returned by <a href="#pdf-coroutine.resume"><code>coroutine.resume</code></a>,
-except the first one (the boolean error code).
-Unlike <a href="#pdf-coroutine.resume"><code>coroutine.resume</code></a>,
-<a href="#pdf-coroutine.wrap"><code>coroutine.wrap</code></a> does not catch errors;
-any error is propagated to the caller.
-
-
-<p>
-As an example of how coroutines work,
-consider the following code:
-
-<pre>
- function foo (a)
- print("foo", a)
- return coroutine.yield(2*a)
- end
-
- co = coroutine.create(function (a,b)
- print("co-body", a, b)
- local r = foo(a+1)
- print("co-body", r)
- local r, s = coroutine.yield(a+b, a-b)
- print("co-body", r, s)
- return b, "end"
- end)
-
- print("main", coroutine.resume(co, 1, 10))
- print("main", coroutine.resume(co, "r"))
- print("main", coroutine.resume(co, "x", "y"))
- print("main", coroutine.resume(co, "x", "y"))
-</pre><p>
-When you run it, it produces the following output:
-
-<pre>
- co-body 1 10
- foo 2
- main true 4
- co-body r
- main true 11 -9
- co-body x y
- main true 10 end
- main false cannot resume dead coroutine
-</pre>
-
-<p>
-You can also create and manipulate coroutines through the C API:
-see functions <a href="#lua_newthread"><code>lua_newthread</code></a>, <a href="#lua_resume"><code>lua_resume</code></a>,
-and <a href="#lua_yield"><code>lua_yield</code></a>.
-
-
-
-
-
-<h1>3 &ndash; <a name="3">The Language</a></h1>
-
-<p>
-This section describes the lexis, the syntax, and the semantics of Lua.
-In other words,
-this section describes
-which tokens are valid,
-how they can be combined,
-and what their combinations mean.
-
-
-<p>
-Language constructs will be explained using the usual extended BNF notation,
-in which
-{<em>a</em>}&nbsp;means&nbsp;0 or more <em>a</em>'s, and
-[<em>a</em>]&nbsp;means an optional <em>a</em>.
-Non-terminals are shown like non-terminal,
-keywords are shown like <b>kword</b>,
-and other terminal symbols are shown like &lsquo;<b>=</b>&rsquo;.
-The complete syntax of Lua can be found in <a href="#9">&sect;9</a>
-at the end of this manual.
-
-
-
-<h2>3.1 &ndash; <a name="3.1">Lexical Conventions</a></h2>
-
-<p>
-Lua is a free-form language.
-It ignores spaces (including new lines) and comments
-between lexical elements (tokens),
-except as delimiters between names and keywords.
-
-
-<p>
-<em>Names</em>
-(also called <em>identifiers</em>)
-in Lua can be any string of letters,
-digits, and underscores,
-not beginning with a digit and
-not being a reserved word.
-Identifiers are used to name variables, table fields, and labels.
-
-
-<p>
-The following <em>keywords</em> are reserved
-and cannot be used as names:
-
-
-<pre>
- and break do else elseif end
- false for function goto if in
- local nil not or repeat return
- then true until while
-</pre>
-
-<p>
-Lua is a case-sensitive language:
-<code>and</code> is a reserved word, but <code>And</code> and <code>AND</code>
-are two different, valid names.
-As a convention,
-programs should avoid creating
-names that start with an underscore followed by
-one or more uppercase letters (such as <a href="#pdf-_VERSION"><code>_VERSION</code></a>).
-
-
-<p>
-The following strings denote other tokens:
-
-<pre>
- + - * / % ^ #
- &amp; ~ | &lt;&lt; &gt;&gt; //
- == ~= &lt;= &gt;= &lt; &gt; =
- ( ) { } [ ] ::
- ; : , . .. ...
-</pre>
-
-<p>
-A <em>short literal string</em>
-can be delimited by matching single or double quotes,
-and can contain the following C-like escape sequences:
-'<code>\a</code>' (bell),
-'<code>\b</code>' (backspace),
-'<code>\f</code>' (form feed),
-'<code>\n</code>' (newline),
-'<code>\r</code>' (carriage return),
-'<code>\t</code>' (horizontal tab),
-'<code>\v</code>' (vertical tab),
-'<code>\\</code>' (backslash),
-'<code>\"</code>' (quotation mark [double quote]),
-and '<code>\'</code>' (apostrophe [single quote]).
-A backslash followed by a line break
-results in a newline in the string.
-The escape sequence '<code>\z</code>' skips the following span
-of white-space characters,
-including line breaks;
-it is particularly useful to break and indent a long literal string
-into multiple lines without adding the newlines and spaces
-into the string contents.
-A short literal string cannot contain unescaped line breaks
-nor escapes not forming a valid escape sequence.
-
-
-<p>
-We can specify any byte in a short literal string by its numeric value
-(including embedded zeros).
-This can be done
-with the escape sequence <code>\x<em>XX</em></code>,
-where <em>XX</em> is a sequence of exactly two hexadecimal digits,
-or with the escape sequence <code>\<em>ddd</em></code>,
-where <em>ddd</em> is a sequence of up to three decimal digits.
-(Note that if a decimal escape sequence is to be followed by a digit,
-it must be expressed using exactly three digits.)
-
-
-<p>
-The UTF-8 encoding of a Unicode character
-can be inserted in a literal string with
-the escape sequence <code>\u{<em>XXX</em>}</code>
-(note the mandatory enclosing brackets),
-where <em>XXX</em> is a sequence of one or more hexadecimal digits
-representing the character code point.
-
-
-<p>
-Literal strings can also be defined using a long format
-enclosed by <em>long brackets</em>.
-We define an <em>opening long bracket of level <em>n</em></em> as an opening
-square bracket followed by <em>n</em> equal signs followed by another
-opening square bracket.
-So, an opening long bracket of level&nbsp;0 is written as <code>[[</code>,
-an opening long bracket of level&nbsp;1 is written as <code>[=[</code>,
-and so on.
-A <em>closing long bracket</em> is defined similarly;
-for instance,
-a closing long bracket of level&nbsp;4 is written as <code>]====]</code>.
-A <em>long literal</em> starts with an opening long bracket of any level and
-ends at the first closing long bracket of the same level.
-It can contain any text except a closing bracket of the same level.
-Literals in this bracketed form can run for several lines,
-do not interpret any escape sequences,
-and ignore long brackets of any other level.
-Any kind of end-of-line sequence
-(carriage return, newline, carriage return followed by newline,
-or newline followed by carriage return)
-is converted to a simple newline.
-
-
-<p>
-For convenience,
-when the opening long bracket is immediately followed by a newline,
-the newline is not included in the string.
-As an example, in a system using ASCII
-(in which '<code>a</code>' is coded as&nbsp;97,
-newline is coded as&nbsp;10, and '<code>1</code>' is coded as&nbsp;49),
-the five literal strings below denote the same string:
-
-<pre>
- a = 'alo\n123"'
- a = "alo\n123\""
- a = '\97lo\10\04923"'
- a = [[alo
- 123"]]
- a = [==[
- alo
- 123"]==]
-</pre>
-
-<p>
-Any byte in a literal string not
-explicitly affected by the previous rules represents itself.
-However, Lua opens files for parsing in text mode,
-and the system file functions may have problems with
-some control characters.
-So, it is safer to represent
-non-text data as a quoted literal with
-explicit escape sequences for the non-text characters.
-
-
-<p>
-A <em>numeric constant</em> (or <em>numeral</em>)
-can be written with an optional fractional part
-and an optional decimal exponent,
-marked by a letter '<code>e</code>' or '<code>E</code>'.
-Lua also accepts hexadecimal constants,
-which start with <code>0x</code> or <code>0X</code>.
-Hexadecimal constants also accept an optional fractional part
-plus an optional binary exponent,
-marked by a letter '<code>p</code>' or '<code>P</code>'.
-A numeric constant with a radix point or an exponent
-denotes a float;
-otherwise,
-if its value fits in an integer,
-it denotes an integer.
-Examples of valid integer constants are
-
-<pre>
- 3 345 0xff 0xBEBADA
-</pre><p>
-Examples of valid float constants are
-
-<pre>
- 3.0 3.1416 314.16e-2 0.31416E1 34e1
- 0x0.1E 0xA23p-4 0X1.921FB54442D18P+1
-</pre>
-
-<p>
-A <em>comment</em> starts with a double hyphen (<code>--</code>)
-anywhere outside a string.
-If the text immediately after <code>--</code> is not an opening long bracket,
-the comment is a <em>short comment</em>,
-which runs until the end of the line.
-Otherwise, it is a <em>long comment</em>,
-which runs until the corresponding closing long bracket.
-Long comments are frequently used to disable code temporarily.
-
-
-
-
-
-<h2>3.2 &ndash; <a name="3.2">Variables</a></h2>
-
-<p>
-Variables are places that store values.
-There are three kinds of variables in Lua:
-global variables, local variables, and table fields.
-
-
-<p>
-A single name can denote a global variable or a local variable
-(or a function's formal parameter,
-which is a particular kind of local variable):
-
-<pre>
- var ::= Name
-</pre><p>
-Name denotes identifiers, as defined in <a href="#3.1">&sect;3.1</a>.
-
-
-<p>
-Any variable name is assumed to be global unless explicitly declared
-as a local (see <a href="#3.3.7">&sect;3.3.7</a>).
-Local variables are <em>lexically scoped</em>:
-local variables can be freely accessed by functions
-defined inside their scope (see <a href="#3.5">&sect;3.5</a>).
-
-
-<p>
-Before the first assignment to a variable, its value is <b>nil</b>.
-
-
-<p>
-Square brackets are used to index a table:
-
-<pre>
- var ::= prefixexp &lsquo;<b>[</b>&rsquo; exp &lsquo;<b>]</b>&rsquo;
-</pre><p>
-The meaning of accesses to table fields can be changed via metatables
-(see <a href="#2.4">&sect;2.4</a>).
-
-
-<p>
-The syntax <code>var.Name</code> is just syntactic sugar for
-<code>var["Name"]</code>:
-
-<pre>
- var ::= prefixexp &lsquo;<b>.</b>&rsquo; Name
-</pre>
-
-<p>
-An access to a global variable <code>x</code>
-is equivalent to <code>_ENV.x</code>.
-Due to the way that chunks are compiled,
-<code>_ENV</code> is never a global name (see <a href="#2.2">&sect;2.2</a>).
-
-
-
-
-
-<h2>3.3 &ndash; <a name="3.3">Statements</a></h2>
-
-<p>
-Lua supports an almost conventional set of statements,
-similar to those in Pascal or C.
-This set includes
-assignments, control structures, function calls,
-and variable declarations.
-
-
-
-<h3>3.3.1 &ndash; <a name="3.3.1">Blocks</a></h3>
-
-<p>
-A block is a list of statements,
-which are executed sequentially:
-
-<pre>
- block ::= {stat}
-</pre><p>
-Lua has <em>empty statements</em>
-that allow you to separate statements with semicolons,
-start a block with a semicolon
-or write two semicolons in sequence:
-
-<pre>
- stat ::= &lsquo;<b>;</b>&rsquo;
-</pre>
-
-<p>
-Function calls and assignments
-can start with an open parenthesis.
-This possibility leads to an ambiguity in Lua's grammar.
-Consider the following fragment:
-
-<pre>
- a = b + c
- (print or io.write)('done')
-</pre><p>
-The grammar could see it in two ways:
-
-<pre>
- a = b + c(print or io.write)('done')
-
- a = b + c; (print or io.write)('done')
-</pre><p>
-The current parser always sees such constructions
-in the first way,
-interpreting the open parenthesis
-as the start of the arguments to a call.
-To avoid this ambiguity,
-it is a good practice to always precede with a semicolon
-statements that start with a parenthesis:
-
-<pre>
- ;(print or io.write)('done')
-</pre>
-
-<p>
-A block can be explicitly delimited to produce a single statement:
-
-<pre>
- stat ::= <b>do</b> block <b>end</b>
-</pre><p>
-Explicit blocks are useful
-to control the scope of variable declarations.
-Explicit blocks are also sometimes used to
-add a <b>return</b> statement in the middle
-of another block (see <a href="#3.3.4">&sect;3.3.4</a>).
-
-
-
-
-
-<h3>3.3.2 &ndash; <a name="3.3.2">Chunks</a></h3>
-
-<p>
-The unit of compilation of Lua is called a <em>chunk</em>.
-Syntactically,
-a chunk is simply a block:
-
-<pre>
- chunk ::= block
-</pre>
-
-<p>
-Lua handles a chunk as the body of an anonymous function
-with a variable number of arguments
-(see <a href="#3.4.11">&sect;3.4.11</a>).
-As such, chunks can define local variables,
-receive arguments, and return values.
-Moreover, such anonymous function is compiled as in the
-scope of an external local variable called <code>_ENV</code> (see <a href="#2.2">&sect;2.2</a>).
-The resulting function always has <code>_ENV</code> as its only upvalue,
-even if it does not use that variable.
-
-
-<p>
-A chunk can be stored in a file or in a string inside the host program.
-To execute a chunk,
-Lua first <em>loads</em> it,
-precompiling the chunk's code into instructions for a virtual machine,
-and then Lua executes the compiled code
-with an interpreter for the virtual machine.
-
-
-<p>
-Chunks can also be precompiled into binary form;
-see program <code>luac</code> and function <a href="#pdf-string.dump"><code>string.dump</code></a> for details.
-Programs in source and compiled forms are interchangeable;
-Lua automatically detects the file type and acts accordingly (see <a href="#pdf-load"><code>load</code></a>).
-
-
-
-
-
-<h3>3.3.3 &ndash; <a name="3.3.3">Assignment</a></h3>
-
-<p>
-Lua allows multiple assignments.
-Therefore, the syntax for assignment
-defines a list of variables on the left side
-and a list of expressions on the right side.
-The elements in both lists are separated by commas:
-
-<pre>
- stat ::= varlist &lsquo;<b>=</b>&rsquo; explist
- varlist ::= var {&lsquo;<b>,</b>&rsquo; var}
- explist ::= exp {&lsquo;<b>,</b>&rsquo; exp}
-</pre><p>
-Expressions are discussed in <a href="#3.4">&sect;3.4</a>.
-
-
-<p>
-Before the assignment,
-the list of values is <em>adjusted</em> to the length of
-the list of variables.
-If there are more values than needed,
-the excess values are thrown away.
-If there are fewer values than needed,
-the list is extended with as many <b>nil</b>'s as needed.
-If the list of expressions ends with a function call,
-then all values returned by that call enter the list of values,
-before the adjustment
-(except when the call is enclosed in parentheses; see <a href="#3.4">&sect;3.4</a>).
-
-
-<p>
-The assignment statement first evaluates all its expressions
-and only then the assignments are performed.
-Thus the code
-
-<pre>
- i = 3
- i, a[i] = i+1, 20
-</pre><p>
-sets <code>a[3]</code> to 20, without affecting <code>a[4]</code>
-because the <code>i</code> in <code>a[i]</code> is evaluated (to 3)
-before it is assigned&nbsp;4.
-Similarly, the line
-
-<pre>
- x, y = y, x
-</pre><p>
-exchanges the values of <code>x</code> and <code>y</code>,
-and
-
-<pre>
- x, y, z = y, z, x
-</pre><p>
-cyclically permutes the values of <code>x</code>, <code>y</code>, and <code>z</code>.
-
-
-<p>
-An assignment to a global name <code>x = val</code>
-is equivalent to the assignment
-<code>_ENV.x = val</code> (see <a href="#2.2">&sect;2.2</a>).
-
-
-<p>
-The meaning of assignments to table fields and
-global variables (which are actually table fields, too)
-can be changed via metatables (see <a href="#2.4">&sect;2.4</a>).
-
-
-
-
-
-<h3>3.3.4 &ndash; <a name="3.3.4">Control Structures</a></h3><p>
-The control structures
-<b>if</b>, <b>while</b>, and <b>repeat</b> have the usual meaning and
-familiar syntax:
-
-
-
-
-<pre>
- stat ::= <b>while</b> exp <b>do</b> block <b>end</b>
- stat ::= <b>repeat</b> block <b>until</b> exp
- stat ::= <b>if</b> exp <b>then</b> block {<b>elseif</b> exp <b>then</b> block} [<b>else</b> block] <b>end</b>
-</pre><p>
-Lua also has a <b>for</b> statement, in two flavors (see <a href="#3.3.5">&sect;3.3.5</a>).
-
-
-<p>
-The condition expression of a
-control structure can return any value.
-Both <b>false</b> and <b>nil</b> are considered false.
-All values different from <b>nil</b> and <b>false</b> are considered true
-(in particular, the number 0 and the empty string are also true).
-
-
-<p>
-In the <b>repeat</b>&ndash;<b>until</b> loop,
-the inner block does not end at the <b>until</b> keyword,
-but only after the condition.
-So, the condition can refer to local variables
-declared inside the loop block.
-
-
-<p>
-The <b>goto</b> statement transfers the program control to a label.
-For syntactical reasons,
-labels in Lua are considered statements too:
-
-
-
-<pre>
- stat ::= <b>goto</b> Name
- stat ::= label
- label ::= &lsquo;<b>::</b>&rsquo; Name &lsquo;<b>::</b>&rsquo;
-</pre>
-
-<p>
-A label is visible in the entire block where it is defined,
-except
-inside nested blocks where a label with the same name is defined and
-inside nested functions.
-A goto may jump to any visible label as long as it does not
-enter into the scope of a local variable.
-
-
-<p>
-Labels and empty statements are called <em>void statements</em>,
-as they perform no actions.
-
-
-<p>
-The <b>break</b> statement terminates the execution of a
-<b>while</b>, <b>repeat</b>, or <b>for</b> loop,
-skipping to the next statement after the loop:
-
-
-<pre>
- stat ::= <b>break</b>
-</pre><p>
-A <b>break</b> ends the innermost enclosing loop.
-
-
-<p>
-The <b>return</b> statement is used to return values
-from a function or a chunk
-(which is an anonymous function).
-
-Functions can return more than one value,
-so the syntax for the <b>return</b> statement is
-
-<pre>
- stat ::= <b>return</b> [explist] [&lsquo;<b>;</b>&rsquo;]
-</pre>
-
-<p>
-The <b>return</b> statement can only be written
-as the last statement of a block.
-If it is really necessary to <b>return</b> in the middle of a block,
-then an explicit inner block can be used,
-as in the idiom <code>do return end</code>,
-because now <b>return</b> is the last statement in its (inner) block.
-
-
-
-
-
-<h3>3.3.5 &ndash; <a name="3.3.5">For Statement</a></h3>
-
-<p>
-
-The <b>for</b> statement has two forms:
-one numerical and one generic.
-
-
-<p>
-The numerical <b>for</b> loop repeats a block of code while a
-control variable runs through an arithmetic progression.
-It has the following syntax:
-
-<pre>
- stat ::= <b>for</b> Name &lsquo;<b>=</b>&rsquo; exp &lsquo;<b>,</b>&rsquo; exp [&lsquo;<b>,</b>&rsquo; exp] <b>do</b> block <b>end</b>
-</pre><p>
-The <em>block</em> is repeated for <em>name</em> starting at the value of
-the first <em>exp</em>, until it passes the second <em>exp</em> by steps of the
-third <em>exp</em>.
-More precisely, a <b>for</b> statement like
-
-<pre>
- for v = <em>e1</em>, <em>e2</em>, <em>e3</em> do <em>block</em> end
-</pre><p>
-is equivalent to the code:
-
-<pre>
- do
- local <em>var</em>, <em>limit</em>, <em>step</em> = tonumber(<em>e1</em>), tonumber(<em>e2</em>), tonumber(<em>e3</em>)
- if not (<em>var</em> and <em>limit</em> and <em>step</em>) then error() end
- <em>var</em> = <em>var</em> - <em>step</em>
- while true do
- <em>var</em> = <em>var</em> + <em>step</em>
- if (<em>step</em> &gt;= 0 and <em>var</em> &gt; <em>limit</em>) or (<em>step</em> &lt; 0 and <em>var</em> &lt; <em>limit</em>) then
- break
- end
- local v = <em>var</em>
- <em>block</em>
- end
- end
-</pre>
-
-<p>
-Note the following:
-
-<ul>
-
-<li>
-All three control expressions are evaluated only once,
-before the loop starts.
-They must all result in numbers.
-</li>
-
-<li>
-<code><em>var</em></code>, <code><em>limit</em></code>, and <code><em>step</em></code> are invisible variables.
-The names shown here are for explanatory purposes only.
-</li>
-
-<li>
-If the third expression (the step) is absent,
-then a step of&nbsp;1 is used.
-</li>
-
-<li>
-You can use <b>break</b> and <b>goto</b> to exit a <b>for</b> loop.
-</li>
-
-<li>
-The loop variable <code>v</code> is local to the loop body.
-If you need its value after the loop,
-assign it to another variable before exiting the loop.
-</li>
-
-</ul>
-
-<p>
-The generic <b>for</b> statement works over functions,
-called <em>iterators</em>.
-On each iteration, the iterator function is called to produce a new value,
-stopping when this new value is <b>nil</b>.
-The generic <b>for</b> loop has the following syntax:
-
-<pre>
- stat ::= <b>for</b> namelist <b>in</b> explist <b>do</b> block <b>end</b>
- namelist ::= Name {&lsquo;<b>,</b>&rsquo; Name}
-</pre><p>
-A <b>for</b> statement like
-
-<pre>
- for <em>var_1</em>, &middot;&middot;&middot;, <em>var_n</em> in <em>explist</em> do <em>block</em> end
-</pre><p>
-is equivalent to the code:
-
-<pre>
- do
- local <em>f</em>, <em>s</em>, <em>var</em> = <em>explist</em>
- while true do
- local <em>var_1</em>, &middot;&middot;&middot;, <em>var_n</em> = <em>f</em>(<em>s</em>, <em>var</em>)
- if <em>var_1</em> == nil then break end
- <em>var</em> = <em>var_1</em>
- <em>block</em>
- end
- end
-</pre><p>
-Note the following:
-
-<ul>
-
-<li>
-<code><em>explist</em></code> is evaluated only once.
-Its results are an <em>iterator</em> function,
-a <em>state</em>,
-and an initial value for the first <em>iterator variable</em>.
-</li>
-
-<li>
-<code><em>f</em></code>, <code><em>s</em></code>, and <code><em>var</em></code> are invisible variables.
-The names are here for explanatory purposes only.
-</li>
-
-<li>
-You can use <b>break</b> to exit a <b>for</b> loop.
-</li>
-
-<li>
-The loop variables <code><em>var_i</em></code> are local to the loop;
-you cannot use their values after the <b>for</b> ends.
-If you need these values,
-then assign them to other variables before breaking or exiting the loop.
-</li>
-
-</ul>
-
-
-
-
-<h3>3.3.6 &ndash; <a name="3.3.6">Function Calls as Statements</a></h3><p>
-To allow possible side-effects,
-function calls can be executed as statements:
-
-<pre>
- stat ::= functioncall
-</pre><p>
-In this case, all returned values are thrown away.
-Function calls are explained in <a href="#3.4.10">&sect;3.4.10</a>.
-
-
-
-
-
-<h3>3.3.7 &ndash; <a name="3.3.7">Local Declarations</a></h3><p>
-Local variables can be declared anywhere inside a block.
-The declaration can include an initial assignment:
-
-<pre>
- stat ::= <b>local</b> namelist [&lsquo;<b>=</b>&rsquo; explist]
-</pre><p>
-If present, an initial assignment has the same semantics
-of a multiple assignment (see <a href="#3.3.3">&sect;3.3.3</a>).
-Otherwise, all variables are initialized with <b>nil</b>.
-
-
-<p>
-A chunk is also a block (see <a href="#3.3.2">&sect;3.3.2</a>),
-and so local variables can be declared in a chunk outside any explicit block.
-
-
-<p>
-The visibility rules for local variables are explained in <a href="#3.5">&sect;3.5</a>.
-
-
-
-
-
-
-
-<h2>3.4 &ndash; <a name="3.4">Expressions</a></h2>
-
-<p>
-The basic expressions in Lua are the following:
-
-<pre>
- exp ::= prefixexp
- exp ::= <b>nil</b> | <b>false</b> | <b>true</b>
- exp ::= Numeral
- exp ::= LiteralString
- exp ::= functiondef
- exp ::= tableconstructor
- exp ::= &lsquo;<b>...</b>&rsquo;
- exp ::= exp binop exp
- exp ::= unop exp
- prefixexp ::= var | functioncall | &lsquo;<b>(</b>&rsquo; exp &lsquo;<b>)</b>&rsquo;
-</pre>
-
-<p>
-Numerals and literal strings are explained in <a href="#3.1">&sect;3.1</a>;
-variables are explained in <a href="#3.2">&sect;3.2</a>;
-function definitions are explained in <a href="#3.4.11">&sect;3.4.11</a>;
-function calls are explained in <a href="#3.4.10">&sect;3.4.10</a>;
-table constructors are explained in <a href="#3.4.9">&sect;3.4.9</a>.
-Vararg expressions,
-denoted by three dots ('<code>...</code>'), can only be used when
-directly inside a vararg function;
-they are explained in <a href="#3.4.11">&sect;3.4.11</a>.
-
-
-<p>
-Binary operators comprise arithmetic operators (see <a href="#3.4.1">&sect;3.4.1</a>),
-bitwise operators (see <a href="#3.4.2">&sect;3.4.2</a>),
-relational operators (see <a href="#3.4.4">&sect;3.4.4</a>), logical operators (see <a href="#3.4.5">&sect;3.4.5</a>),
-and the concatenation operator (see <a href="#3.4.6">&sect;3.4.6</a>).
-Unary operators comprise the unary minus (see <a href="#3.4.1">&sect;3.4.1</a>),
-the unary bitwise NOT (see <a href="#3.4.2">&sect;3.4.2</a>),
-the unary logical <b>not</b> (see <a href="#3.4.5">&sect;3.4.5</a>),
-and the unary <em>length operator</em> (see <a href="#3.4.7">&sect;3.4.7</a>).
-
-
-<p>
-Both function calls and vararg expressions can result in multiple values.
-If a function call is used as a statement (see <a href="#3.3.6">&sect;3.3.6</a>),
-then its return list is adjusted to zero elements,
-thus discarding all returned values.
-If an expression is used as the last (or the only) element
-of a list of expressions,
-then no adjustment is made
-(unless the expression is enclosed in parentheses).
-In all other contexts,
-Lua adjusts the result list to one element,
-either discarding all values except the first one
-or adding a single <b>nil</b> if there are no values.
-
-
-<p>
-Here are some examples:
-
-<pre>
- f() -- adjusted to 0 results
- g(f(), x) -- f() is adjusted to 1 result
- g(x, f()) -- g gets x plus all results from f()
- a,b,c = f(), x -- f() is adjusted to 1 result (c gets nil)
- a,b = ... -- a gets the first vararg argument, b gets
- -- the second (both a and b can get nil if there
- -- is no corresponding vararg argument)
-
- a,b,c = x, f() -- f() is adjusted to 2 results
- a,b,c = f() -- f() is adjusted to 3 results
- return f() -- returns all results from f()
- return ... -- returns all received vararg arguments
- return x,y,f() -- returns x, y, and all results from f()
- {f()} -- creates a list with all results from f()
- {...} -- creates a list with all vararg arguments
- {f(), nil} -- f() is adjusted to 1 result
-</pre>
-
-<p>
-Any expression enclosed in parentheses always results in only one value.
-Thus,
-<code>(f(x,y,z))</code> is always a single value,
-even if <code>f</code> returns several values.
-(The value of <code>(f(x,y,z))</code> is the first value returned by <code>f</code>
-or <b>nil</b> if <code>f</code> does not return any values.)
-
-
-
-<h3>3.4.1 &ndash; <a name="3.4.1">Arithmetic Operators</a></h3><p>
-Lua supports the following arithmetic operators:
-
-<ul>
-<li><b><code>+</code>: </b>addition</li>
-<li><b><code>-</code>: </b>subtraction</li>
-<li><b><code>*</code>: </b>multiplication</li>
-<li><b><code>/</code>: </b>float division</li>
-<li><b><code>//</code>: </b>floor division</li>
-<li><b><code>%</code>: </b>modulo</li>
-<li><b><code>^</code>: </b>exponentiation</li>
-<li><b><code>-</code>: </b>unary minus</li>
-</ul>
-
-<p>
-With the exception of exponentiation and float division,
-the arithmetic operators work as follows:
-If both operands are integers,
-the operation is performed over integers and the result is an integer.
-Otherwise, if both operands are numbers
-or strings that can be converted to
-numbers (see <a href="#3.4.3">&sect;3.4.3</a>),
-then they are converted to floats,
-the operation is performed following the usual rules
-for floating-point arithmetic
-(usually the IEEE 754 standard),
-and the result is a float.
-
-
-<p>
-Exponentiation and float division (<code>/</code>)
-always convert their operands to floats
-and the result is always a float.
-Exponentiation uses the ISO&nbsp;C function <code>pow</code>,
-so that it works for non-integer exponents too.
-
-
-<p>
-Floor division (<code>//</code>) is a division
-that rounds the quotient towards minus infinity,
-that is, the floor of the division of its operands.
-
-
-<p>
-Modulo is defined as the remainder of a division
-that rounds the quotient towards minus infinity (floor division).
-
-
-<p>
-In case of overflows in integer arithmetic,
-all operations <em>wrap around</em>,
-according to the usual rules of two-complement arithmetic.
-(In other words,
-they return the unique representable integer
-that is equal modulo <em>2<sup>64</sup></em> to the mathematical result.)
-
-
-
-<h3>3.4.2 &ndash; <a name="3.4.2">Bitwise Operators</a></h3><p>
-Lua supports the following bitwise operators:
-
-<ul>
-<li><b><code>&amp;</code>: </b>bitwise AND</li>
-<li><b><code>&#124;</code>: </b>bitwise OR</li>
-<li><b><code>~</code>: </b>bitwise exclusive OR</li>
-<li><b><code>&gt;&gt;</code>: </b>right shift</li>
-<li><b><code>&lt;&lt;</code>: </b>left shift</li>
-<li><b><code>~</code>: </b>unary bitwise NOT</li>
-</ul>
-
-<p>
-All bitwise operations convert its operands to integers
-(see <a href="#3.4.3">&sect;3.4.3</a>),
-operate on all bits of those integers,
-and result in an integer.
-
-
-<p>
-Both right and left shifts fill the vacant bits with zeros.
-Negative displacements shift to the other direction;
-displacements with absolute values equal to or higher than
-the number of bits in an integer
-result in zero (as all bits are shifted out).
-
-
-
-
-
-<h3>3.4.3 &ndash; <a name="3.4.3">Coercions and Conversions</a></h3><p>
-Lua provides some automatic conversions between some
-types and representations at run time.
-Bitwise operators always convert float operands to integers.
-Exponentiation and float division
-always convert integer operands to floats.
-All other arithmetic operations applied to mixed numbers
-(integers and floats) convert the integer operand to a float;
-this is called the <em>usual rule</em>.
-The C API also converts both integers to floats and
-floats to integers, as needed.
-Moreover, string concatenation accepts numbers as arguments,
-besides strings.
-
-
-<p>
-Lua also converts strings to numbers,
-whenever a number is expected.
-
-
-<p>
-In a conversion from integer to float,
-if the integer value has an exact representation as a float,
-that is the result.
-Otherwise,
-the conversion gets the nearest higher or
-the nearest lower representable value.
-This kind of conversion never fails.
-
-
-<p>
-The conversion from float to integer
-checks whether the float has an exact representation as an integer
-(that is, the float has an integral value and
-it is in the range of integer representation).
-If it does, that representation is the result.
-Otherwise, the conversion fails.
-
-
-<p>
-The conversion from strings to numbers goes as follows:
-First, the string is converted to an integer or a float,
-following its syntax and the rules of the Lua lexer.
-(The string may have also leading and trailing spaces and a sign.)
-Then, the resulting number (float or integer)
-is converted to the type (float or integer) required by the context
-(e.g., the operation that forced the conversion).
-
-
-<p>
-All conversions from strings to numbers
-accept both a dot and the current locale mark
-as the radix character.
-(The Lua lexer, however, accepts only a dot.)
-
-
-<p>
-The conversion from numbers to strings uses a
-non-specified human-readable format.
-For complete control over how numbers are converted to strings,
-use the <code>format</code> function from the string library
-(see <a href="#pdf-string.format"><code>string.format</code></a>).
-
-
-
-
-
-<h3>3.4.4 &ndash; <a name="3.4.4">Relational Operators</a></h3><p>
-Lua supports the following relational operators:
-
-<ul>
-<li><b><code>==</code>: </b>equality</li>
-<li><b><code>~=</code>: </b>inequality</li>
-<li><b><code>&lt;</code>: </b>less than</li>
-<li><b><code>&gt;</code>: </b>greater than</li>
-<li><b><code>&lt;=</code>: </b>less or equal</li>
-<li><b><code>&gt;=</code>: </b>greater or equal</li>
-</ul><p>
-These operators always result in <b>false</b> or <b>true</b>.
-
-
-<p>
-Equality (<code>==</code>) first compares the type of its operands.
-If the types are different, then the result is <b>false</b>.
-Otherwise, the values of the operands are compared.
-Strings are compared in the obvious way.
-Numbers are equal if they denote the same mathematical value.
-
-
-<p>
-Tables, userdata, and threads
-are compared by reference:
-two objects are considered equal only if they are the same object.
-Every time you create a new object
-(a table, userdata, or thread),
-this new object is different from any previously existing object.
-A closure is always equal to itself.
-Closures with any detectable difference
-(different behavior, different definition) are always different.
-Closures created at different times but with no detectable differences
-may be classified as equal or not
-(depending on internal caching details).
-
-
-<p>
-You can change the way that Lua compares tables and userdata
-by using the "eq" metamethod (see <a href="#2.4">&sect;2.4</a>).
-
-
-<p>
-Equality comparisons do not convert strings to numbers
-or vice versa.
-Thus, <code>"0"==0</code> evaluates to <b>false</b>,
-and <code>t[0]</code> and <code>t["0"]</code> denote different
-entries in a table.
-
-
-<p>
-The operator <code>~=</code> is exactly the negation of equality (<code>==</code>).
-
-
-<p>
-The order operators work as follows.
-If both arguments are numbers,
-then they are compared according to their mathematical values
-(regardless of their subtypes).
-Otherwise, if both arguments are strings,
-then their values are compared according to the current locale.
-Otherwise, Lua tries to call the "lt" or the "le"
-metamethod (see <a href="#2.4">&sect;2.4</a>).
-A comparison <code>a &gt; b</code> is translated to <code>b &lt; a</code>
-and <code>a &gt;= b</code> is translated to <code>b &lt;= a</code>.
-
-
-<p>
-Following the IEEE 754 standard,
-NaN is considered neither smaller than,
-nor equal to, nor greater than any value (including itself).
-
-
-
-
-
-<h3>3.4.5 &ndash; <a name="3.4.5">Logical Operators</a></h3><p>
-The logical operators in Lua are
-<b>and</b>, <b>or</b>, and <b>not</b>.
-Like the control structures (see <a href="#3.3.4">&sect;3.3.4</a>),
-all logical operators consider both <b>false</b> and <b>nil</b> as false
-and anything else as true.
-
-
-<p>
-The negation operator <b>not</b> always returns <b>false</b> or <b>true</b>.
-The conjunction operator <b>and</b> returns its first argument
-if this value is <b>false</b> or <b>nil</b>;
-otherwise, <b>and</b> returns its second argument.
-The disjunction operator <b>or</b> returns its first argument
-if this value is different from <b>nil</b> and <b>false</b>;
-otherwise, <b>or</b> returns its second argument.
-Both <b>and</b> and <b>or</b> use short-circuit evaluation;
-that is,
-the second operand is evaluated only if necessary.
-Here are some examples:
-
-<pre>
- 10 or 20 --&gt; 10
- 10 or error() --&gt; 10
- nil or "a" --&gt; "a"
- nil and 10 --&gt; nil
- false and error() --&gt; false
- false and nil --&gt; false
- false or nil --&gt; nil
- 10 and 20 --&gt; 20
-</pre><p>
-(In this manual,
-<code>--&gt;</code> indicates the result of the preceding expression.)
-
-
-
-
-
-<h3>3.4.6 &ndash; <a name="3.4.6">Concatenation</a></h3><p>
-The string concatenation operator in Lua is
-denoted by two dots ('<code>..</code>').
-If both operands are strings or numbers, then they are converted to
-strings according to the rules described in <a href="#3.4.3">&sect;3.4.3</a>.
-Otherwise, the <code>__concat</code> metamethod is called (see <a href="#2.4">&sect;2.4</a>).
-
-
-
-
-
-<h3>3.4.7 &ndash; <a name="3.4.7">The Length Operator</a></h3>
-
-<p>
-The length operator is denoted by the unary prefix operator <code>#</code>.
-
-
-<p>
-The length of a string is its number of bytes
-(that is, the usual meaning of string length when each
-character is one byte).
-
-
-<p>
-The length operator applied on a table
-returns a border in that table.
-A <em>border</em> in a table <code>t</code> is any natural number
-that satisfies the following condition:
-
-<pre>
- (border == 0 or t[border] ~= nil) and t[border + 1] == nil
-</pre><p>
-In words,
-a border is any (natural) index in a table
-where a non-nil value is followed by a nil value
-(or zero, when index 1 is nil).
-
-
-<p>
-A table with exactly one border is called a <em>sequence</em>.
-For instance, the table <code>{10, 20, 30, 40, 50}</code> is a sequence,
-as it has only one border (5).
-The table <code>{10, 20, 30, nil, 50}</code> has two borders (3 and 5),
-and therefore it is not a sequence.
-The table <code>{nil, 20, 30, nil, nil, 60, nil}</code>
-has three borders (0, 3, and 6),
-so it is not a sequence, too.
-The table <code>{}</code> is a sequence with border 0.
-Note that non-natural keys do not interfere
-with whether a table is a sequence.
-
-
-<p>
-When <code>t</code> is a sequence,
-<code>#t</code> returns its only border,
-which corresponds to the intuitive notion of the length of the sequence.
-When <code>t</code> is not a sequence,
-<code>#t</code> can return any of its borders.
-(The exact one depends on details of
-the internal representation of the table,
-which in turn can depend on how the table was populated and
-the memory addresses of its non-numeric keys.)
-
-
-<p>
-The computation of the length of a table
-has a guaranteed worst time of <em>O(log n)</em>,
-where <em>n</em> is the largest natural key in the table.
-
-
-<p>
-A program can modify the behavior of the length operator for
-any value but strings through the <code>__len</code> metamethod (see <a href="#2.4">&sect;2.4</a>).
-
-
-
-
-
-<h3>3.4.8 &ndash; <a name="3.4.8">Precedence</a></h3><p>
-Operator precedence in Lua follows the table below,
-from lower to higher priority:
-
-<pre>
- or
- and
- &lt; &gt; &lt;= &gt;= ~= ==
- |
- ~
- &amp;
- &lt;&lt; &gt;&gt;
- ..
- + -
- * / // %
- unary operators (not # - ~)
- ^
-</pre><p>
-As usual,
-you can use parentheses to change the precedences of an expression.
-The concatenation ('<code>..</code>') and exponentiation ('<code>^</code>')
-operators are right associative.
-All other binary operators are left associative.
-
-
-
-
-
-<h3>3.4.9 &ndash; <a name="3.4.9">Table Constructors</a></h3><p>
-Table constructors are expressions that create tables.
-Every time a constructor is evaluated, a new table is created.
-A constructor can be used to create an empty table
-or to create a table and initialize some of its fields.
-The general syntax for constructors is
-
-<pre>
- tableconstructor ::= &lsquo;<b>{</b>&rsquo; [fieldlist] &lsquo;<b>}</b>&rsquo;
- fieldlist ::= field {fieldsep field} [fieldsep]
- field ::= &lsquo;<b>[</b>&rsquo; exp &lsquo;<b>]</b>&rsquo; &lsquo;<b>=</b>&rsquo; exp | Name &lsquo;<b>=</b>&rsquo; exp | exp
- fieldsep ::= &lsquo;<b>,</b>&rsquo; | &lsquo;<b>;</b>&rsquo;
-</pre>
-
-<p>
-Each field of the form <code>[exp1] = exp2</code> adds to the new table an entry
-with key <code>exp1</code> and value <code>exp2</code>.
-A field of the form <code>name = exp</code> is equivalent to
-<code>["name"] = exp</code>.
-Finally, fields of the form <code>exp</code> are equivalent to
-<code>[i] = exp</code>, where <code>i</code> are consecutive integers
-starting with 1.
-Fields in the other formats do not affect this counting.
-For example,
-
-<pre>
- a = { [f(1)] = g; "x", "y"; x = 1, f(x), [30] = 23; 45 }
-</pre><p>
-is equivalent to
-
-<pre>
- do
- local t = {}
- t[f(1)] = g
- t[1] = "x" -- 1st exp
- t[2] = "y" -- 2nd exp
- t.x = 1 -- t["x"] = 1
- t[3] = f(x) -- 3rd exp
- t[30] = 23
- t[4] = 45 -- 4th exp
- a = t
- end
-</pre>
-
-<p>
-The order of the assignments in a constructor is undefined.
-(This order would be relevant only when there are repeated keys.)
-
-
-<p>
-If the last field in the list has the form <code>exp</code>
-and the expression is a function call or a vararg expression,
-then all values returned by this expression enter the list consecutively
-(see <a href="#3.4.10">&sect;3.4.10</a>).
-
-
-<p>
-The field list can have an optional trailing separator,
-as a convenience for machine-generated code.
-
-
-
-
-
-<h3>3.4.10 &ndash; <a name="3.4.10">Function Calls</a></h3><p>
-A function call in Lua has the following syntax:
-
-<pre>
- functioncall ::= prefixexp args
-</pre><p>
-In a function call,
-first prefixexp and args are evaluated.
-If the value of prefixexp has type <em>function</em>,
-then this function is called
-with the given arguments.
-Otherwise, the prefixexp "call" metamethod is called,
-having as first argument the value of prefixexp,
-followed by the original call arguments
-(see <a href="#2.4">&sect;2.4</a>).
-
-
-<p>
-The form
-
-<pre>
- functioncall ::= prefixexp &lsquo;<b>:</b>&rsquo; Name args
-</pre><p>
-can be used to call "methods".
-A call <code>v:name(<em>args</em>)</code>
-is syntactic sugar for <code>v.name(v,<em>args</em>)</code>,
-except that <code>v</code> is evaluated only once.
-
-
-<p>
-Arguments have the following syntax:
-
-<pre>
- args ::= &lsquo;<b>(</b>&rsquo; [explist] &lsquo;<b>)</b>&rsquo;
- args ::= tableconstructor
- args ::= LiteralString
-</pre><p>
-All argument expressions are evaluated before the call.
-A call of the form <code>f{<em>fields</em>}</code> is
-syntactic sugar for <code>f({<em>fields</em>})</code>;
-that is, the argument list is a single new table.
-A call of the form <code>f'<em>string</em>'</code>
-(or <code>f"<em>string</em>"</code> or <code>f[[<em>string</em>]]</code>)
-is syntactic sugar for <code>f('<em>string</em>')</code>;
-that is, the argument list is a single literal string.
-
-
-<p>
-A call of the form <code>return <em>functioncall</em></code> is called
-a <em>tail call</em>.
-Lua implements <em>proper tail calls</em>
-(or <em>proper tail recursion</em>):
-in a tail call,
-the called function reuses the stack entry of the calling function.
-Therefore, there is no limit on the number of nested tail calls that
-a program can execute.
-However, a tail call erases any debug information about the
-calling function.
-Note that a tail call only happens with a particular syntax,
-where the <b>return</b> has one single function call as argument;
-this syntax makes the calling function return exactly
-the returns of the called function.
-So, none of the following examples are tail calls:
-
-<pre>
- return (f(x)) -- results adjusted to 1
- return 2 * f(x)
- return x, f(x) -- additional results
- f(x); return -- results discarded
- return x or f(x) -- results adjusted to 1
-</pre>
-
-
-
-
-<h3>3.4.11 &ndash; <a name="3.4.11">Function Definitions</a></h3>
-
-<p>
-The syntax for function definition is
-
-<pre>
- functiondef ::= <b>function</b> funcbody
- funcbody ::= &lsquo;<b>(</b>&rsquo; [parlist] &lsquo;<b>)</b>&rsquo; block <b>end</b>
-</pre>
-
-<p>
-The following syntactic sugar simplifies function definitions:
-
-<pre>
- stat ::= <b>function</b> funcname funcbody
- stat ::= <b>local</b> <b>function</b> Name funcbody
- funcname ::= Name {&lsquo;<b>.</b>&rsquo; Name} [&lsquo;<b>:</b>&rsquo; Name]
-</pre><p>
-The statement
-
-<pre>
- function f () <em>body</em> end
-</pre><p>
-translates to
-
-<pre>
- f = function () <em>body</em> end
-</pre><p>
-The statement
-
-<pre>
- function t.a.b.c.f () <em>body</em> end
-</pre><p>
-translates to
-
-<pre>
- t.a.b.c.f = function () <em>body</em> end
-</pre><p>
-The statement
-
-<pre>
- local function f () <em>body</em> end
-</pre><p>
-translates to
-
-<pre>
- local f; f = function () <em>body</em> end
-</pre><p>
-not to
-
-<pre>
- local f = function () <em>body</em> end
-</pre><p>
-(This only makes a difference when the body of the function
-contains references to <code>f</code>.)
-
-
-<p>
-A function definition is an executable expression,
-whose value has type <em>function</em>.
-When Lua precompiles a chunk,
-all its function bodies are precompiled too.
-Then, whenever Lua executes the function definition,
-the function is <em>instantiated</em> (or <em>closed</em>).
-This function instance (or <em>closure</em>)
-is the final value of the expression.
-
-
-<p>
-Parameters act as local variables that are
-initialized with the argument values:
-
-<pre>
- parlist ::= namelist [&lsquo;<b>,</b>&rsquo; &lsquo;<b>...</b>&rsquo;] | &lsquo;<b>...</b>&rsquo;
-</pre><p>
-When a function is called,
-the list of arguments is adjusted to
-the length of the list of parameters,
-unless the function is a <em>vararg function</em>,
-which is indicated by three dots ('<code>...</code>')
-at the end of its parameter list.
-A vararg function does not adjust its argument list;
-instead, it collects all extra arguments and supplies them
-to the function through a <em>vararg expression</em>,
-which is also written as three dots.
-The value of this expression is a list of all actual extra arguments,
-similar to a function with multiple results.
-If a vararg expression is used inside another expression
-or in the middle of a list of expressions,
-then its return list is adjusted to one element.
-If the expression is used as the last element of a list of expressions,
-then no adjustment is made
-(unless that last expression is enclosed in parentheses).
-
-
-<p>
-As an example, consider the following definitions:
-
-<pre>
- function f(a, b) end
- function g(a, b, ...) end
- function r() return 1,2,3 end
-</pre><p>
-Then, we have the following mapping from arguments to parameters and
-to the vararg expression:
-
-<pre>
- CALL PARAMETERS
-
- f(3) a=3, b=nil
- f(3, 4) a=3, b=4
- f(3, 4, 5) a=3, b=4
- f(r(), 10) a=1, b=10
- f(r()) a=1, b=2
-
- g(3) a=3, b=nil, ... --&gt; (nothing)
- g(3, 4) a=3, b=4, ... --&gt; (nothing)
- g(3, 4, 5, 8) a=3, b=4, ... --&gt; 5 8
- g(5, r()) a=5, b=1, ... --&gt; 2 3
-</pre>
-
-<p>
-Results are returned using the <b>return</b> statement (see <a href="#3.3.4">&sect;3.3.4</a>).
-If control reaches the end of a function
-without encountering a <b>return</b> statement,
-then the function returns with no results.
-
-
-<p>
-
-There is a system-dependent limit on the number of values
-that a function may return.
-This limit is guaranteed to be larger than 1000.
-
-
-<p>
-The <em>colon</em> syntax
-is used for defining <em>methods</em>,
-that is, functions that have an implicit extra parameter <code>self</code>.
-Thus, the statement
-
-<pre>
- function t.a.b.c:f (<em>params</em>) <em>body</em> end
-</pre><p>
-is syntactic sugar for
-
-<pre>
- t.a.b.c.f = function (self, <em>params</em>) <em>body</em> end
-</pre>
-
-
-
-
-
-
-<h2>3.5 &ndash; <a name="3.5">Visibility Rules</a></h2>
-
-<p>
-
-Lua is a lexically scoped language.
-The scope of a local variable begins at the first statement after
-its declaration and lasts until the last non-void statement
-of the innermost block that includes the declaration.
-Consider the following example:
-
-<pre>
- x = 10 -- global variable
- do -- new block
- local x = x -- new 'x', with value 10
- print(x) --&gt; 10
- x = x+1
- do -- another block
- local x = x+1 -- another 'x'
- print(x) --&gt; 12
- end
- print(x) --&gt; 11
- end
- print(x) --&gt; 10 (the global one)
-</pre>
-
-<p>
-Notice that, in a declaration like <code>local x = x</code>,
-the new <code>x</code> being declared is not in scope yet,
-and so the second <code>x</code> refers to the outside variable.
-
-
-<p>
-Because of the lexical scoping rules,
-local variables can be freely accessed by functions
-defined inside their scope.
-A local variable used by an inner function is called
-an <em>upvalue</em>, or <em>external local variable</em>,
-inside the inner function.
-
-
-<p>
-Notice that each execution of a <b>local</b> statement
-defines new local variables.
-Consider the following example:
-
-<pre>
- a = {}
- local x = 20
- for i=1,10 do
- local y = 0
- a[i] = function () y=y+1; return x+y end
- end
-</pre><p>
-The loop creates ten closures
-(that is, ten instances of the anonymous function).
-Each of these closures uses a different <code>y</code> variable,
-while all of them share the same <code>x</code>.
-
-
-
-
-
-<h1>4 &ndash; <a name="4">The Application Program Interface</a></h1>
-
-<p>
-
-This section describes the C&nbsp;API for Lua, that is,
-the set of C&nbsp;functions available to the host program to communicate
-with Lua.
-All API functions and related types and constants
-are declared in the header file <a name="pdf-lua.h"><code>lua.h</code></a>.
-
-
-<p>
-Even when we use the term "function",
-any facility in the API may be provided as a macro instead.
-Except where stated otherwise,
-all such macros use each of their arguments exactly once
-(except for the first argument, which is always a Lua state),
-and so do not generate any hidden side-effects.
-
-
-<p>
-As in most C&nbsp;libraries,
-the Lua API functions do not check their arguments for validity or consistency.
-However, you can change this behavior by compiling Lua
-with the macro <a name="pdf-LUA_USE_APICHECK"><code>LUA_USE_APICHECK</code></a> defined.
-
-
-<p>
-The Lua library is fully reentrant:
-it has no global variables.
-It keeps all information it needs in a dynamic structure,
-called the <em>Lua state</em>.
-
-
-<p>
-Each Lua state has one or more threads,
-which correspond to independent, cooperative lines of execution.
-The type <a href="#lua_State"><code>lua_State</code></a> (despite its name) refers to a thread.
-(Indirectly, through the thread, it also refers to the
-Lua state associated to the thread.)
-
-
-<p>
-A pointer to a thread must be passed as the first argument to
-every function in the library, except to <a href="#lua_newstate"><code>lua_newstate</code></a>,
-which creates a Lua state from scratch and returns a pointer
-to the <em>main thread</em> in the new state.
-
-
-
-<h2>4.1 &ndash; <a name="4.1">The Stack</a></h2>
-
-<p>
-Lua uses a <em>virtual stack</em> to pass values to and from C.
-Each element in this stack represents a Lua value
-(<b>nil</b>, number, string, etc.).
-Functions in the API can access this stack through the
-Lua state parameter that they receive.
-
-
-<p>
-Whenever Lua calls C, the called function gets a new stack,
-which is independent of previous stacks and of stacks of
-C&nbsp;functions that are still active.
-This stack initially contains any arguments to the C&nbsp;function
-and it is where the C&nbsp;function can store temporary
-Lua values and must push its results
-to be returned to the caller (see <a href="#lua_CFunction"><code>lua_CFunction</code></a>).
-
-
-<p>
-For convenience,
-most query operations in the API do not follow a strict stack discipline.
-Instead, they can refer to any element in the stack
-by using an <em>index</em>:
-A positive index represents an absolute stack position
-(starting at&nbsp;1);
-a negative index represents an offset relative to the top of the stack.
-More specifically, if the stack has <em>n</em> elements,
-then index&nbsp;1 represents the first element
-(that is, the element that was pushed onto the stack first)
-and
-index&nbsp;<em>n</em> represents the last element;
-index&nbsp;-1 also represents the last element
-(that is, the element at the&nbsp;top)
-and index <em>-n</em> represents the first element.
-
-
-
-
-
-<h2>4.2 &ndash; <a name="4.2">Stack Size</a></h2>
-
-<p>
-When you interact with the Lua API,
-you are responsible for ensuring consistency.
-In particular,
-<em>you are responsible for controlling stack overflow</em>.
-You can use the function <a href="#lua_checkstack"><code>lua_checkstack</code></a>
-to ensure that the stack has enough space for pushing new elements.
-
-
-<p>
-Whenever Lua calls C,
-it ensures that the stack has space for
-at least <a name="pdf-LUA_MINSTACK"><code>LUA_MINSTACK</code></a> extra slots.
-<code>LUA_MINSTACK</code> is defined as 20,
-so that usually you do not have to worry about stack space
-unless your code has loops pushing elements onto the stack.
-
-
-<p>
-When you call a Lua function
-without a fixed number of results (see <a href="#lua_call"><code>lua_call</code></a>),
-Lua ensures that the stack has enough space for all results,
-but it does not ensure any extra space.
-So, before pushing anything in the stack after such a call
-you should use <a href="#lua_checkstack"><code>lua_checkstack</code></a>.
-
-
-
-
-
-<h2>4.3 &ndash; <a name="4.3">Valid and Acceptable Indices</a></h2>
-
-<p>
-Any function in the API that receives stack indices
-works only with <em>valid indices</em> or <em>acceptable indices</em>.
-
-
-<p>
-A <em>valid index</em> is an index that refers to a
-position that stores a modifiable Lua value.
-It comprises stack indices between&nbsp;1 and the stack top
-(<code>1 &le; abs(index) &le; top</code>)
-
-plus <em>pseudo-indices</em>,
-which represent some positions that are accessible to C&nbsp;code
-but that are not in the stack.
-Pseudo-indices are used to access the registry (see <a href="#4.5">&sect;4.5</a>)
-and the upvalues of a C&nbsp;function (see <a href="#4.4">&sect;4.4</a>).
-
-
-<p>
-Functions that do not need a specific mutable position,
-but only a value (e.g., query functions),
-can be called with acceptable indices.
-An <em>acceptable index</em> can be any valid index,
-but it also can be any positive index after the stack top
-within the space allocated for the stack,
-that is, indices up to the stack size.
-(Note that 0 is never an acceptable index.)
-Except when noted otherwise,
-functions in the API work with acceptable indices.
-
-
-<p>
-Acceptable indices serve to avoid extra tests
-against the stack top when querying the stack.
-For instance, a C&nbsp;function can query its third argument
-without the need to first check whether there is a third argument,
-that is, without the need to check whether 3 is a valid index.
-
-
-<p>
-For functions that can be called with acceptable indices,
-any non-valid index is treated as if it
-contains a value of a virtual type <a name="pdf-LUA_TNONE"><code>LUA_TNONE</code></a>,
-which behaves like a nil value.
-
-
-
-
-
-<h2>4.4 &ndash; <a name="4.4">C Closures</a></h2>
-
-<p>
-When a C&nbsp;function is created,
-it is possible to associate some values with it,
-thus creating a <em>C&nbsp;closure</em>
-(see <a href="#lua_pushcclosure"><code>lua_pushcclosure</code></a>);
-these values are called <em>upvalues</em> and are
-accessible to the function whenever it is called.
-
-
-<p>
-Whenever a C&nbsp;function is called,
-its upvalues are located at specific pseudo-indices.
-These pseudo-indices are produced by the macro
-<a href="#lua_upvalueindex"><code>lua_upvalueindex</code></a>.
-The first upvalue associated with a function is at index
-<code>lua_upvalueindex(1)</code>, and so on.
-Any access to <code>lua_upvalueindex(<em>n</em>)</code>,
-where <em>n</em> is greater than the number of upvalues of the
-current function
-(but not greater than 256,
-which is one plus the maximum number of upvalues in a closure),
-produces an acceptable but invalid index.
-
-
-
-
-
-<h2>4.5 &ndash; <a name="4.5">Registry</a></h2>
-
-<p>
-Lua provides a <em>registry</em>,
-a predefined table that can be used by any C&nbsp;code to
-store whatever Lua values it needs to store.
-The registry table is always located at pseudo-index
-<a name="pdf-LUA_REGISTRYINDEX"><code>LUA_REGISTRYINDEX</code></a>.
-Any C&nbsp;library can store data into this table,
-but it must take care to choose keys
-that are different from those used
-by other libraries, to avoid collisions.
-Typically, you should use as key a string containing your library name,
-or a light userdata with the address of a C&nbsp;object in your code,
-or any Lua object created by your code.
-As with variable names,
-string keys starting with an underscore followed by
-uppercase letters are reserved for Lua.
-
-
-<p>
-The integer keys in the registry are used
-by the reference mechanism (see <a href="#luaL_ref"><code>luaL_ref</code></a>)
-and by some predefined values.
-Therefore, integer keys must not be used for other purposes.
-
-
-<p>
-When you create a new Lua state,
-its registry comes with some predefined values.
-These predefined values are indexed with integer keys
-defined as constants in <code>lua.h</code>.
-The following constants are defined:
-
-<ul>
-<li><b><a name="pdf-LUA_RIDX_MAINTHREAD"><code>LUA_RIDX_MAINTHREAD</code></a>: </b> At this index the registry has
-the main thread of the state.
-(The main thread is the one created together with the state.)
-</li>
-
-<li><b><a name="pdf-LUA_RIDX_GLOBALS"><code>LUA_RIDX_GLOBALS</code></a>: </b> At this index the registry has
-the global environment.
-</li>
-</ul>
-
-
-
-
-<h2>4.6 &ndash; <a name="4.6">Error Handling in C</a></h2>
-
-<p>
-Internally, Lua uses the C <code>longjmp</code> facility to handle errors.
-(Lua will use exceptions if you compile it as C++;
-search for <code>LUAI_THROW</code> in the source code for details.)
-When Lua faces any error
-(such as a memory allocation error or a type error)
-it <em>raises</em> an error;
-that is, it does a long jump.
-A <em>protected environment</em> uses <code>setjmp</code>
-to set a recovery point;
-any error jumps to the most recent active recovery point.
-
-
-<p>
-Inside a C&nbsp;function you can raise an error by calling <a href="#lua_error"><code>lua_error</code></a>.
-
-
-<p>
-Most functions in the API can raise an error,
-for instance due to a memory allocation error.
-The documentation for each function indicates whether
-it can raise errors.
-
-
-<p>
-If an error happens outside any protected environment,
-Lua calls a <em>panic function</em> (see <a href="#lua_atpanic"><code>lua_atpanic</code></a>)
-and then calls <code>abort</code>,
-thus exiting the host application.
-Your panic function can avoid this exit by
-never returning
-(e.g., doing a long jump to your own recovery point outside Lua).
-
-
-<p>
-The panic function,
-as its name implies,
-is a mechanism of last resort.
-Programs should avoid it.
-As a general rule,
-when a C&nbsp;function is called by Lua with a Lua state,
-it can do whatever it wants on that Lua state,
-as it should be already protected.
-However,
-when C code operates on other Lua states
-(e.g., a Lua argument to the function,
-a Lua state stored in the registry, or
-the result of <a href="#lua_newthread"><code>lua_newthread</code></a>),
-it should use them only in API calls that cannot raise errors.
-
-
-<p>
-The panic function runs as if it were a message handler (see <a href="#2.3">&sect;2.3</a>);
-in particular, the error object is at the top of the stack.
-However, there is no guarantee about stack space.
-To push anything on the stack,
-the panic function must first check the available space (see <a href="#4.2">&sect;4.2</a>).
-
-
-
-
-
-<h2>4.7 &ndash; <a name="4.7">Handling Yields in C</a></h2>
-
-<p>
-Internally, Lua uses the C <code>longjmp</code> facility to yield a coroutine.
-Therefore, if a C&nbsp;function <code>foo</code> calls an API function
-and this API function yields
-(directly or indirectly by calling another function that yields),
-Lua cannot return to <code>foo</code> any more,
-because the <code>longjmp</code> removes its frame from the C stack.
-
-
-<p>
-To avoid this kind of problem,
-Lua raises an error whenever it tries to yield across an API call,
-except for three functions:
-<a href="#lua_yieldk"><code>lua_yieldk</code></a>, <a href="#lua_callk"><code>lua_callk</code></a>, and <a href="#lua_pcallk"><code>lua_pcallk</code></a>.
-All those functions receive a <em>continuation function</em>
-(as a parameter named <code>k</code>) to continue execution after a yield.
-
-
-<p>
-We need to set some terminology to explain continuations.
-We have a C&nbsp;function called from Lua which we will call
-the <em>original function</em>.
-This original function then calls one of those three functions in the C API,
-which we will call the <em>callee function</em>,
-that then yields the current thread.
-(This can happen when the callee function is <a href="#lua_yieldk"><code>lua_yieldk</code></a>,
-or when the callee function is either <a href="#lua_callk"><code>lua_callk</code></a> or <a href="#lua_pcallk"><code>lua_pcallk</code></a>
-and the function called by them yields.)
-
-
-<p>
-Suppose the running thread yields while executing the callee function.
-After the thread resumes,
-it eventually will finish running the callee function.
-However,
-the callee function cannot return to the original function,
-because its frame in the C stack was destroyed by the yield.
-Instead, Lua calls a <em>continuation function</em>,
-which was given as an argument to the callee function.
-As the name implies,
-the continuation function should continue the task
-of the original function.
-
-
-<p>
-As an illustration, consider the following function:
-
-<pre>
- int original_function (lua_State *L) {
- ... /* code 1 */
- status = lua_pcall(L, n, m, h); /* calls Lua */
- ... /* code 2 */
- }
-</pre><p>
-Now we want to allow
-the Lua code being run by <a href="#lua_pcall"><code>lua_pcall</code></a> to yield.
-First, we can rewrite our function like here:
-
-<pre>
- int k (lua_State *L, int status, lua_KContext ctx) {
- ... /* code 2 */
- }
-
- int original_function (lua_State *L) {
- ... /* code 1 */
- return k(L, lua_pcall(L, n, m, h), ctx);
- }
-</pre><p>
-In the above code,
-the new function <code>k</code> is a
-<em>continuation function</em> (with type <a href="#lua_KFunction"><code>lua_KFunction</code></a>),
-which should do all the work that the original function
-was doing after calling <a href="#lua_pcall"><code>lua_pcall</code></a>.
-Now, we must inform Lua that it must call <code>k</code> if the Lua code
-being executed by <a href="#lua_pcall"><code>lua_pcall</code></a> gets interrupted in some way
-(errors or yielding),
-so we rewrite the code as here,
-replacing <a href="#lua_pcall"><code>lua_pcall</code></a> by <a href="#lua_pcallk"><code>lua_pcallk</code></a>:
-
-<pre>
- int original_function (lua_State *L) {
- ... /* code 1 */
- return k(L, lua_pcallk(L, n, m, h, ctx2, k), ctx1);
- }
-</pre><p>
-Note the external, explicit call to the continuation:
-Lua will call the continuation only if needed, that is,
-in case of errors or resuming after a yield.
-If the called function returns normally without ever yielding,
-<a href="#lua_pcallk"><code>lua_pcallk</code></a> (and <a href="#lua_callk"><code>lua_callk</code></a>) will also return normally.
-(Of course, instead of calling the continuation in that case,
-you can do the equivalent work directly inside the original function.)
-
-
-<p>
-Besides the Lua state,
-the continuation function has two other parameters:
-the final status of the call plus the context value (<code>ctx</code>) that
-was passed originally to <a href="#lua_pcallk"><code>lua_pcallk</code></a>.
-(Lua does not use this context value;
-it only passes this value from the original function to the
-continuation function.)
-For <a href="#lua_pcallk"><code>lua_pcallk</code></a>,
-the status is the same value that would be returned by <a href="#lua_pcallk"><code>lua_pcallk</code></a>,
-except that it is <a href="#pdf-LUA_YIELD"><code>LUA_YIELD</code></a> when being executed after a yield
-(instead of <a href="#pdf-LUA_OK"><code>LUA_OK</code></a>).
-For <a href="#lua_yieldk"><code>lua_yieldk</code></a> and <a href="#lua_callk"><code>lua_callk</code></a>,
-the status is always <a href="#pdf-LUA_YIELD"><code>LUA_YIELD</code></a> when Lua calls the continuation.
-(For these two functions,
-Lua will not call the continuation in case of errors,
-because they do not handle errors.)
-Similarly, when using <a href="#lua_callk"><code>lua_callk</code></a>,
-you should call the continuation function
-with <a href="#pdf-LUA_OK"><code>LUA_OK</code></a> as the status.
-(For <a href="#lua_yieldk"><code>lua_yieldk</code></a>, there is not much point in calling
-directly the continuation function,
-because <a href="#lua_yieldk"><code>lua_yieldk</code></a> usually does not return.)
-
-
-<p>
-Lua treats the continuation function as if it were the original function.
-The continuation function receives the same Lua stack
-from the original function,
-in the same state it would be if the callee function had returned.
-(For instance,
-after a <a href="#lua_callk"><code>lua_callk</code></a> the function and its arguments are
-removed from the stack and replaced by the results from the call.)
-It also has the same upvalues.
-Whatever it returns is handled by Lua as if it were the return
-of the original function.
-
-
-
-
-
-<h2>4.8 &ndash; <a name="4.8">Functions and Types</a></h2>
-
-<p>
-Here we list all functions and types from the C&nbsp;API in
-alphabetical order.
-Each function has an indicator like this:
-<span class="apii">[-o, +p, <em>x</em>]</span>
-
-
-<p>
-The first field, <code>o</code>,
-is how many elements the function pops from the stack.
-The second field, <code>p</code>,
-is how many elements the function pushes onto the stack.
-(Any function always pushes its results after popping its arguments.)
-A field in the form <code>x|y</code> means the function can push (or pop)
-<code>x</code> or <code>y</code> elements,
-depending on the situation;
-an interrogation mark '<code>?</code>' means that
-we cannot know how many elements the function pops/pushes
-by looking only at its arguments
-(e.g., they may depend on what is on the stack).
-The third field, <code>x</code>,
-tells whether the function may raise errors:
-'<code>-</code>' means the function never raises any error;
-'<code>m</code>' means the function may raise out-of-memory errors
-and errors running a <code>__gc</code> metamethod;
-'<code>e</code>' means the function may raise any errors
-(it can run arbitrary Lua code,
-either directly or through metamethods);
-'<code>v</code>' means the function may raise an error on purpose.
-
-
-
-<hr><h3><a name="lua_absindex"><code>lua_absindex</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>int lua_absindex (lua_State *L, int idx);</pre>
-
-<p>
-Converts the acceptable index <code>idx</code>
-into an equivalent absolute index
-(that is, one that does not depend on the stack top).
-
-
-
-
-
-<hr><h3><a name="lua_Alloc"><code>lua_Alloc</code></a></h3>
-<pre>typedef void * (*lua_Alloc) (void *ud,
- void *ptr,
- size_t osize,
- size_t nsize);</pre>
-
-<p>
-The type of the memory-allocation function used by Lua states.
-The allocator function must provide a
-functionality similar to <code>realloc</code>,
-but not exactly the same.
-Its arguments are
-<code>ud</code>, an opaque pointer passed to <a href="#lua_newstate"><code>lua_newstate</code></a>;
-<code>ptr</code>, a pointer to the block being allocated/reallocated/freed;
-<code>osize</code>, the original size of the block or some code about what
-is being allocated;
-and <code>nsize</code>, the new size of the block.
-
-
-<p>
-When <code>ptr</code> is not <code>NULL</code>,
-<code>osize</code> is the size of the block pointed by <code>ptr</code>,
-that is, the size given when it was allocated or reallocated.
-
-
-<p>
-When <code>ptr</code> is <code>NULL</code>,
-<code>osize</code> encodes the kind of object that Lua is allocating.
-<code>osize</code> is any of
-<a href="#pdf-LUA_TSTRING"><code>LUA_TSTRING</code></a>, <a href="#pdf-LUA_TTABLE"><code>LUA_TTABLE</code></a>, <a href="#pdf-LUA_TFUNCTION"><code>LUA_TFUNCTION</code></a>,
-<a href="#pdf-LUA_TUSERDATA"><code>LUA_TUSERDATA</code></a>, or <a href="#pdf-LUA_TTHREAD"><code>LUA_TTHREAD</code></a> when (and only when)
-Lua is creating a new object of that type.
-When <code>osize</code> is some other value,
-Lua is allocating memory for something else.
-
-
-<p>
-Lua assumes the following behavior from the allocator function:
-
-
-<p>
-When <code>nsize</code> is zero,
-the allocator must behave like <code>free</code>
-and return <code>NULL</code>.
-
-
-<p>
-When <code>nsize</code> is not zero,
-the allocator must behave like <code>realloc</code>.
-The allocator returns <code>NULL</code>
-if and only if it cannot fulfill the request.
-Lua assumes that the allocator never fails when
-<code>osize &gt;= nsize</code>.
-
-
-<p>
-Here is a simple implementation for the allocator function.
-It is used in the auxiliary library by <a href="#luaL_newstate"><code>luaL_newstate</code></a>.
-
-<pre>
- static void *l_alloc (void *ud, void *ptr, size_t osize,
- size_t nsize) {
- (void)ud; (void)osize; /* not used */
- if (nsize == 0) {
- free(ptr);
- return NULL;
- }
- else
- return realloc(ptr, nsize);
- }
-</pre><p>
-Note that Standard&nbsp;C ensures
-that <code>free(NULL)</code> has no effect and that
-<code>realloc(NULL,size)</code> is equivalent to <code>malloc(size)</code>.
-This code assumes that <code>realloc</code> does not fail when shrinking a block.
-(Although Standard&nbsp;C does not ensure this behavior,
-it seems to be a safe assumption.)
-
-
-
-
-
-<hr><h3><a name="lua_arith"><code>lua_arith</code></a></h3><p>
-<span class="apii">[-(2|1), +1, <em>e</em>]</span>
-<pre>void lua_arith (lua_State *L, int op);</pre>
-
-<p>
-Performs an arithmetic or bitwise operation over the two values
-(or one, in the case of negations)
-at the top of the stack,
-with the value at the top being the second operand,
-pops these values, and pushes the result of the operation.
-The function follows the semantics of the corresponding Lua operator
-(that is, it may call metamethods).
-
-
-<p>
-The value of <code>op</code> must be one of the following constants:
-
-<ul>
-
-<li><b><a name="pdf-LUA_OPADD"><code>LUA_OPADD</code></a>: </b> performs addition (<code>+</code>)</li>
-<li><b><a name="pdf-LUA_OPSUB"><code>LUA_OPSUB</code></a>: </b> performs subtraction (<code>-</code>)</li>
-<li><b><a name="pdf-LUA_OPMUL"><code>LUA_OPMUL</code></a>: </b> performs multiplication (<code>*</code>)</li>
-<li><b><a name="pdf-LUA_OPDIV"><code>LUA_OPDIV</code></a>: </b> performs float division (<code>/</code>)</li>
-<li><b><a name="pdf-LUA_OPIDIV"><code>LUA_OPIDIV</code></a>: </b> performs floor division (<code>//</code>)</li>
-<li><b><a name="pdf-LUA_OPMOD"><code>LUA_OPMOD</code></a>: </b> performs modulo (<code>%</code>)</li>
-<li><b><a name="pdf-LUA_OPPOW"><code>LUA_OPPOW</code></a>: </b> performs exponentiation (<code>^</code>)</li>
-<li><b><a name="pdf-LUA_OPUNM"><code>LUA_OPUNM</code></a>: </b> performs mathematical negation (unary <code>-</code>)</li>
-<li><b><a name="pdf-LUA_OPBNOT"><code>LUA_OPBNOT</code></a>: </b> performs bitwise NOT (<code>~</code>)</li>
-<li><b><a name="pdf-LUA_OPBAND"><code>LUA_OPBAND</code></a>: </b> performs bitwise AND (<code>&amp;</code>)</li>
-<li><b><a name="pdf-LUA_OPBOR"><code>LUA_OPBOR</code></a>: </b> performs bitwise OR (<code>|</code>)</li>
-<li><b><a name="pdf-LUA_OPBXOR"><code>LUA_OPBXOR</code></a>: </b> performs bitwise exclusive OR (<code>~</code>)</li>
-<li><b><a name="pdf-LUA_OPSHL"><code>LUA_OPSHL</code></a>: </b> performs left shift (<code>&lt;&lt;</code>)</li>
-<li><b><a name="pdf-LUA_OPSHR"><code>LUA_OPSHR</code></a>: </b> performs right shift (<code>&gt;&gt;</code>)</li>
-
-</ul>
-
-
-
-
-<hr><h3><a name="lua_atpanic"><code>lua_atpanic</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>lua_CFunction lua_atpanic (lua_State *L, lua_CFunction panicf);</pre>
-
-<p>
-Sets a new panic function and returns the old one (see <a href="#4.6">&sect;4.6</a>).
-
-
-
-
-
-<hr><h3><a name="lua_call"><code>lua_call</code></a></h3><p>
-<span class="apii">[-(nargs+1), +nresults, <em>e</em>]</span>
-<pre>void lua_call (lua_State *L, int nargs, int nresults);</pre>
-
-<p>
-Calls a function.
-
-
-<p>
-To call a function you must use the following protocol:
-first, the function to be called is pushed onto the stack;
-then, the arguments to the function are pushed
-in direct order;
-that is, the first argument is pushed first.
-Finally you call <a href="#lua_call"><code>lua_call</code></a>;
-<code>nargs</code> is the number of arguments that you pushed onto the stack.
-All arguments and the function value are popped from the stack
-when the function is called.
-The function results are pushed onto the stack when the function returns.
-The number of results is adjusted to <code>nresults</code>,
-unless <code>nresults</code> is <a name="pdf-LUA_MULTRET"><code>LUA_MULTRET</code></a>.
-In this case, all results from the function are pushed;
-Lua takes care that the returned values fit into the stack space,
-but it does not ensure any extra space in the stack.
-The function results are pushed onto the stack in direct order
-(the first result is pushed first),
-so that after the call the last result is on the top of the stack.
-
-
-<p>
-Any error inside the called function is propagated upwards
-(with a <code>longjmp</code>).
-
-
-<p>
-The following example shows how the host program can do the
-equivalent to this Lua code:
-
-<pre>
- a = f("how", t.x, 14)
-</pre><p>
-Here it is in&nbsp;C:
-
-<pre>
- lua_getglobal(L, "f"); /* function to be called */
- lua_pushliteral(L, "how"); /* 1st argument */
- lua_getglobal(L, "t"); /* table to be indexed */
- lua_getfield(L, -1, "x"); /* push result of t.x (2nd arg) */
- lua_remove(L, -2); /* remove 't' from the stack */
- lua_pushinteger(L, 14); /* 3rd argument */
- lua_call(L, 3, 1); /* call 'f' with 3 arguments and 1 result */
- lua_setglobal(L, "a"); /* set global 'a' */
-</pre><p>
-Note that the code above is <em>balanced</em>:
-at its end, the stack is back to its original configuration.
-This is considered good programming practice.
-
-
-
-
-
-<hr><h3><a name="lua_callk"><code>lua_callk</code></a></h3><p>
-<span class="apii">[-(nargs + 1), +nresults, <em>e</em>]</span>
-<pre>void lua_callk (lua_State *L,
- int nargs,
- int nresults,
- lua_KContext ctx,
- lua_KFunction k);</pre>
-
-<p>
-This function behaves exactly like <a href="#lua_call"><code>lua_call</code></a>,
-but allows the called function to yield (see <a href="#4.7">&sect;4.7</a>).
-
-
-
-
-
-<hr><h3><a name="lua_CFunction"><code>lua_CFunction</code></a></h3>
-<pre>typedef int (*lua_CFunction) (lua_State *L);</pre>
-
-<p>
-Type for C&nbsp;functions.
-
-
-<p>
-In order to communicate properly with Lua,
-a C&nbsp;function must use the following protocol,
-which defines the way parameters and results are passed:
-a C&nbsp;function receives its arguments from Lua in its stack
-in direct order (the first argument is pushed first).
-So, when the function starts,
-<code>lua_gettop(L)</code> returns the number of arguments received by the function.
-The first argument (if any) is at index 1
-and its last argument is at index <code>lua_gettop(L)</code>.
-To return values to Lua, a C&nbsp;function just pushes them onto the stack,
-in direct order (the first result is pushed first),
-and returns the number of results.
-Any other value in the stack below the results will be properly
-discarded by Lua.
-Like a Lua function, a C&nbsp;function called by Lua can also return
-many results.
-
-
-<p>
-As an example, the following function receives a variable number
-of numeric arguments and returns their average and their sum:
-
-<pre>
- static int foo (lua_State *L) {
- int n = lua_gettop(L); /* number of arguments */
- lua_Number sum = 0.0;
- int i;
- for (i = 1; i &lt;= n; i++) {
- if (!lua_isnumber(L, i)) {
- lua_pushliteral(L, "incorrect argument");
- lua_error(L);
- }
- sum += lua_tonumber(L, i);
- }
- lua_pushnumber(L, sum/n); /* first result */
- lua_pushnumber(L, sum); /* second result */
- return 2; /* number of results */
- }
-</pre>
-
-
-
-
-<hr><h3><a name="lua_checkstack"><code>lua_checkstack</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>int lua_checkstack (lua_State *L, int n);</pre>
-
-<p>
-Ensures that the stack has space for at least <code>n</code> extra slots
-(that is, that you can safely push up to <code>n</code> values into it).
-It returns false if it cannot fulfill the request,
-either because it would cause the stack
-to be larger than a fixed maximum size
-(typically at least several thousand elements) or
-because it cannot allocate memory for the extra space.
-This function never shrinks the stack;
-if the stack already has space for the extra slots,
-it is left unchanged.
-
-
-
-
-
-<hr><h3><a name="lua_close"><code>lua_close</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>void lua_close (lua_State *L);</pre>
-
-<p>
-Destroys all objects in the given Lua state
-(calling the corresponding garbage-collection metamethods, if any)
-and frees all dynamic memory used by this state.
-In several platforms, you may not need to call this function,
-because all resources are naturally released when the host program ends.
-On the other hand, long-running programs that create multiple states,
-such as daemons or web servers,
-will probably need to close states as soon as they are not needed.
-
-
-
-
-
-<hr><h3><a name="lua_compare"><code>lua_compare</code></a></h3><p>
-<span class="apii">[-0, +0, <em>e</em>]</span>
-<pre>int lua_compare (lua_State *L, int index1, int index2, int op);</pre>
-
-<p>
-Compares two Lua values.
-Returns 1 if the value at index <code>index1</code> satisfies <code>op</code>
-when compared with the value at index <code>index2</code>,
-following the semantics of the corresponding Lua operator
-(that is, it may call metamethods).
-Otherwise returns&nbsp;0.
-Also returns&nbsp;0 if any of the indices is not valid.
-
-
-<p>
-The value of <code>op</code> must be one of the following constants:
-
-<ul>
-
-<li><b><a name="pdf-LUA_OPEQ"><code>LUA_OPEQ</code></a>: </b> compares for equality (<code>==</code>)</li>
-<li><b><a name="pdf-LUA_OPLT"><code>LUA_OPLT</code></a>: </b> compares for less than (<code>&lt;</code>)</li>
-<li><b><a name="pdf-LUA_OPLE"><code>LUA_OPLE</code></a>: </b> compares for less or equal (<code>&lt;=</code>)</li>
-
-</ul>
-
-
-
-
-<hr><h3><a name="lua_concat"><code>lua_concat</code></a></h3><p>
-<span class="apii">[-n, +1, <em>e</em>]</span>
-<pre>void lua_concat (lua_State *L, int n);</pre>
-
-<p>
-Concatenates the <code>n</code> values at the top of the stack,
-pops them, and leaves the result at the top.
-If <code>n</code>&nbsp;is&nbsp;1, the result is the single value on the stack
-(that is, the function does nothing);
-if <code>n</code> is 0, the result is the empty string.
-Concatenation is performed following the usual semantics of Lua
-(see <a href="#3.4.6">&sect;3.4.6</a>).
-
-
-
-
-
-<hr><h3><a name="lua_copy"><code>lua_copy</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>void lua_copy (lua_State *L, int fromidx, int toidx);</pre>
-
-<p>
-Copies the element at index <code>fromidx</code>
-into the valid index <code>toidx</code>,
-replacing the value at that position.
-Values at other positions are not affected.
-
-
-
-
-
-<hr><h3><a name="lua_createtable"><code>lua_createtable</code></a></h3><p>
-<span class="apii">[-0, +1, <em>m</em>]</span>
-<pre>void lua_createtable (lua_State *L, int narr, int nrec);</pre>
-
-<p>
-Creates a new empty table and pushes it onto the stack.
-Parameter <code>narr</code> is a hint for how many elements the table
-will have as a sequence;
-parameter <code>nrec</code> is a hint for how many other elements
-the table will have.
-Lua may use these hints to preallocate memory for the new table.
-This preallocation is useful for performance when you know in advance
-how many elements the table will have.
-Otherwise you can use the function <a href="#lua_newtable"><code>lua_newtable</code></a>.
-
-
-
-
-
-<hr><h3><a name="lua_dump"><code>lua_dump</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>int lua_dump (lua_State *L,
- lua_Writer writer,
- void *data,
- int strip);</pre>
-
-<p>
-Dumps a function as a binary chunk.
-Receives a Lua function on the top of the stack
-and produces a binary chunk that,
-if loaded again,
-results in a function equivalent to the one dumped.
-As it produces parts of the chunk,
-<a href="#lua_dump"><code>lua_dump</code></a> calls function <code>writer</code> (see <a href="#lua_Writer"><code>lua_Writer</code></a>)
-with the given <code>data</code>
-to write them.
-
-
-<p>
-If <code>strip</code> is true,
-the binary representation may not include all debug information
-about the function,
-to save space.
-
-
-<p>
-The value returned is the error code returned by the last
-call to the writer;
-0&nbsp;means no errors.
-
-
-<p>
-This function does not pop the Lua function from the stack.
-
-
-
-
-
-<hr><h3><a name="lua_error"><code>lua_error</code></a></h3><p>
-<span class="apii">[-1, +0, <em>v</em>]</span>
-<pre>int lua_error (lua_State *L);</pre>
-
-<p>
-Generates a Lua error,
-using the value at the top of the stack as the error object.
-This function does a long jump,
-and therefore never returns
-(see <a href="#luaL_error"><code>luaL_error</code></a>).
-
-
-
-
-
-<hr><h3><a name="lua_gc"><code>lua_gc</code></a></h3><p>
-<span class="apii">[-0, +0, <em>m</em>]</span>
-<pre>int lua_gc (lua_State *L, int what, int data);</pre>
-
-<p>
-Controls the garbage collector.
-
-
-<p>
-This function performs several tasks,
-according to the value of the parameter <code>what</code>:
-
-<ul>
-
-<li><b><code>LUA_GCSTOP</code>: </b>
-stops the garbage collector.
-</li>
-
-<li><b><code>LUA_GCRESTART</code>: </b>
-restarts the garbage collector.
-</li>
-
-<li><b><code>LUA_GCCOLLECT</code>: </b>
-performs a full garbage-collection cycle.
-</li>
-
-<li><b><code>LUA_GCCOUNT</code>: </b>
-returns the current amount of memory (in Kbytes) in use by Lua.
-</li>
-
-<li><b><code>LUA_GCCOUNTB</code>: </b>
-returns the remainder of dividing the current amount of bytes of
-memory in use by Lua by 1024.
-</li>
-
-<li><b><code>LUA_GCSTEP</code>: </b>
-performs an incremental step of garbage collection.
-</li>
-
-<li><b><code>LUA_GCSETPAUSE</code>: </b>
-sets <code>data</code> as the new value
-for the <em>pause</em> of the collector (see <a href="#2.5">&sect;2.5</a>)
-and returns the previous value of the pause.
-</li>
-
-<li><b><code>LUA_GCSETSTEPMUL</code>: </b>
-sets <code>data</code> as the new value for the <em>step multiplier</em> of
-the collector (see <a href="#2.5">&sect;2.5</a>)
-and returns the previous value of the step multiplier.
-</li>
-
-<li><b><code>LUA_GCISRUNNING</code>: </b>
-returns a boolean that tells whether the collector is running
-(i.e., not stopped).
-</li>
-
-</ul>
-
-<p>
-For more details about these options,
-see <a href="#pdf-collectgarbage"><code>collectgarbage</code></a>.
-
-
-
-
-
-<hr><h3><a name="lua_getallocf"><code>lua_getallocf</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>lua_Alloc lua_getallocf (lua_State *L, void **ud);</pre>
-
-<p>
-Returns the memory-allocation function of a given state.
-If <code>ud</code> is not <code>NULL</code>, Lua stores in <code>*ud</code> the
-opaque pointer given when the memory-allocator function was set.
-
-
-
-
-
-<hr><h3><a name="lua_getfield"><code>lua_getfield</code></a></h3><p>
-<span class="apii">[-0, +1, <em>e</em>]</span>
-<pre>int lua_getfield (lua_State *L, int index, const char *k);</pre>
-
-<p>
-Pushes onto the stack the value <code>t[k]</code>,
-where <code>t</code> is the value at the given index.
-As in Lua, this function may trigger a metamethod
-for the "index" event (see <a href="#2.4">&sect;2.4</a>).
-
-
-<p>
-Returns the type of the pushed value.
-
-
-
-
-
-<hr><h3><a name="lua_getextraspace"><code>lua_getextraspace</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>void *lua_getextraspace (lua_State *L);</pre>
-
-<p>
-Returns a pointer to a raw memory area associated with the
-given Lua state.
-The application can use this area for any purpose;
-Lua does not use it for anything.
-
-
-<p>
-Each new thread has this area initialized with a copy
-of the area of the main thread.
-
-
-<p>
-By default, this area has the size of a pointer to void,
-but you can recompile Lua with a different size for this area.
-(See <code>LUA_EXTRASPACE</code> in <code>luaconf.h</code>.)
-
-
-
-
-
-<hr><h3><a name="lua_getglobal"><code>lua_getglobal</code></a></h3><p>
-<span class="apii">[-0, +1, <em>e</em>]</span>
-<pre>int lua_getglobal (lua_State *L, const char *name);</pre>
-
-<p>
-Pushes onto the stack the value of the global <code>name</code>.
-Returns the type of that value.
-
-
-
-
-
-<hr><h3><a name="lua_geti"><code>lua_geti</code></a></h3><p>
-<span class="apii">[-0, +1, <em>e</em>]</span>
-<pre>int lua_geti (lua_State *L, int index, lua_Integer i);</pre>
-
-<p>
-Pushes onto the stack the value <code>t[i]</code>,
-where <code>t</code> is the value at the given index.
-As in Lua, this function may trigger a metamethod
-for the "index" event (see <a href="#2.4">&sect;2.4</a>).
-
-
-<p>
-Returns the type of the pushed value.
-
-
-
-
-
-<hr><h3><a name="lua_getmetatable"><code>lua_getmetatable</code></a></h3><p>
-<span class="apii">[-0, +(0|1), &ndash;]</span>
-<pre>int lua_getmetatable (lua_State *L, int index);</pre>
-
-<p>
-If the value at the given index has a metatable,
-the function pushes that metatable onto the stack and returns&nbsp;1.
-Otherwise,
-the function returns&nbsp;0 and pushes nothing on the stack.
-
-
-
-
-
-<hr><h3><a name="lua_gettable"><code>lua_gettable</code></a></h3><p>
-<span class="apii">[-1, +1, <em>e</em>]</span>
-<pre>int lua_gettable (lua_State *L, int index);</pre>
-
-<p>
-Pushes onto the stack the value <code>t[k]</code>,
-where <code>t</code> is the value at the given index
-and <code>k</code> is the value at the top of the stack.
-
-
-<p>
-This function pops the key from the stack,
-pushing the resulting value in its place.
-As in Lua, this function may trigger a metamethod
-for the "index" event (see <a href="#2.4">&sect;2.4</a>).
-
-
-<p>
-Returns the type of the pushed value.
-
-
-
-
-
-<hr><h3><a name="lua_gettop"><code>lua_gettop</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>int lua_gettop (lua_State *L);</pre>
-
-<p>
-Returns the index of the top element in the stack.
-Because indices start at&nbsp;1,
-this result is equal to the number of elements in the stack;
-in particular, 0&nbsp;means an empty stack.
-
-
-
-
-
-<hr><h3><a name="lua_getuservalue"><code>lua_getuservalue</code></a></h3><p>
-<span class="apii">[-0, +1, &ndash;]</span>
-<pre>int lua_getuservalue (lua_State *L, int index);</pre>
-
-<p>
-Pushes onto the stack the Lua value associated with the full userdata
-at the given index.
-
-
-<p>
-Returns the type of the pushed value.
-
-
-
-
-
-<hr><h3><a name="lua_insert"><code>lua_insert</code></a></h3><p>
-<span class="apii">[-1, +1, &ndash;]</span>
-<pre>void lua_insert (lua_State *L, int index);</pre>
-
-<p>
-Moves the top element into the given valid index,
-shifting up the elements above this index to open space.
-This function cannot be called with a pseudo-index,
-because a pseudo-index is not an actual stack position.
-
-
-
-
-
-<hr><h3><a name="lua_Integer"><code>lua_Integer</code></a></h3>
-<pre>typedef ... lua_Integer;</pre>
-
-<p>
-The type of integers in Lua.
-
-
-<p>
-By default this type is <code>long long</code>,
-(usually a 64-bit two-complement integer),
-but that can be changed to <code>long</code> or <code>int</code>
-(usually a 32-bit two-complement integer).
-(See <code>LUA_INT_TYPE</code> in <code>luaconf.h</code>.)
-
-
-<p>
-Lua also defines the constants
-<a name="pdf-LUA_MININTEGER"><code>LUA_MININTEGER</code></a> and <a name="pdf-LUA_MAXINTEGER"><code>LUA_MAXINTEGER</code></a>,
-with the minimum and the maximum values that fit in this type.
-
-
-
-
-
-<hr><h3><a name="lua_isboolean"><code>lua_isboolean</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>int lua_isboolean (lua_State *L, int index);</pre>
-
-<p>
-Returns 1 if the value at the given index is a boolean,
-and 0&nbsp;otherwise.
-
-
-
-
-
-<hr><h3><a name="lua_iscfunction"><code>lua_iscfunction</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>int lua_iscfunction (lua_State *L, int index);</pre>
-
-<p>
-Returns 1 if the value at the given index is a C&nbsp;function,
-and 0&nbsp;otherwise.
-
-
-
-
-
-<hr><h3><a name="lua_isfunction"><code>lua_isfunction</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>int lua_isfunction (lua_State *L, int index);</pre>
-
-<p>
-Returns 1 if the value at the given index is a function
-(either C or Lua), and 0&nbsp;otherwise.
-
-
-
-
-
-<hr><h3><a name="lua_isinteger"><code>lua_isinteger</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>int lua_isinteger (lua_State *L, int index);</pre>
-
-<p>
-Returns 1 if the value at the given index is an integer
-(that is, the value is a number and is represented as an integer),
-and 0&nbsp;otherwise.
-
-
-
-
-
-<hr><h3><a name="lua_islightuserdata"><code>lua_islightuserdata</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>int lua_islightuserdata (lua_State *L, int index);</pre>
-
-<p>
-Returns 1 if the value at the given index is a light userdata,
-and 0&nbsp;otherwise.
-
-
-
-
-
-<hr><h3><a name="lua_isnil"><code>lua_isnil</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>int lua_isnil (lua_State *L, int index);</pre>
-
-<p>
-Returns 1 if the value at the given index is <b>nil</b>,
-and 0&nbsp;otherwise.
-
-
-
-
-
-<hr><h3><a name="lua_isnone"><code>lua_isnone</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>int lua_isnone (lua_State *L, int index);</pre>
-
-<p>
-Returns 1 if the given index is not valid,
-and 0&nbsp;otherwise.
-
-
-
-
-
-<hr><h3><a name="lua_isnoneornil"><code>lua_isnoneornil</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>int lua_isnoneornil (lua_State *L, int index);</pre>
-
-<p>
-Returns 1 if the given index is not valid
-or if the value at this index is <b>nil</b>,
-and 0&nbsp;otherwise.
-
-
-
-
-
-<hr><h3><a name="lua_isnumber"><code>lua_isnumber</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>int lua_isnumber (lua_State *L, int index);</pre>
-
-<p>
-Returns 1 if the value at the given index is a number
-or a string convertible to a number,
-and 0&nbsp;otherwise.
-
-
-
-
-
-<hr><h3><a name="lua_isstring"><code>lua_isstring</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>int lua_isstring (lua_State *L, int index);</pre>
-
-<p>
-Returns 1 if the value at the given index is a string
-or a number (which is always convertible to a string),
-and 0&nbsp;otherwise.
-
-
-
-
-
-<hr><h3><a name="lua_istable"><code>lua_istable</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>int lua_istable (lua_State *L, int index);</pre>
-
-<p>
-Returns 1 if the value at the given index is a table,
-and 0&nbsp;otherwise.
-
-
-
-
-
-<hr><h3><a name="lua_isthread"><code>lua_isthread</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>int lua_isthread (lua_State *L, int index);</pre>
-
-<p>
-Returns 1 if the value at the given index is a thread,
-and 0&nbsp;otherwise.
-
-
-
-
-
-<hr><h3><a name="lua_isuserdata"><code>lua_isuserdata</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>int lua_isuserdata (lua_State *L, int index);</pre>
-
-<p>
-Returns 1 if the value at the given index is a userdata
-(either full or light), and 0&nbsp;otherwise.
-
-
-
-
-
-<hr><h3><a name="lua_isyieldable"><code>lua_isyieldable</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>int lua_isyieldable (lua_State *L);</pre>
-
-<p>
-Returns 1 if the given coroutine can yield,
-and 0&nbsp;otherwise.
-
-
-
-
-
-<hr><h3><a name="lua_KContext"><code>lua_KContext</code></a></h3>
-<pre>typedef ... lua_KContext;</pre>
-
-<p>
-The type for continuation-function contexts.
-It must be a numeric type.
-This type is defined as <code>intptr_t</code>
-when <code>intptr_t</code> is available,
-so that it can store pointers too.
-Otherwise, it is defined as <code>ptrdiff_t</code>.
-
-
-
-
-
-<hr><h3><a name="lua_KFunction"><code>lua_KFunction</code></a></h3>
-<pre>typedef int (*lua_KFunction) (lua_State *L, int status, lua_KContext ctx);</pre>
-
-<p>
-Type for continuation functions (see <a href="#4.7">&sect;4.7</a>).
-
-
-
-
-
-<hr><h3><a name="lua_len"><code>lua_len</code></a></h3><p>
-<span class="apii">[-0, +1, <em>e</em>]</span>
-<pre>void lua_len (lua_State *L, int index);</pre>
-
-<p>
-Returns the length of the value at the given index.
-It is equivalent to the '<code>#</code>' operator in Lua (see <a href="#3.4.7">&sect;3.4.7</a>) and
-may trigger a metamethod for the "length" event (see <a href="#2.4">&sect;2.4</a>).
-The result is pushed on the stack.
-
-
-
-
-
-<hr><h3><a name="lua_load"><code>lua_load</code></a></h3><p>
-<span class="apii">[-0, +1, &ndash;]</span>
-<pre>int lua_load (lua_State *L,
- lua_Reader reader,
- void *data,
- const char *chunkname,
- const char *mode);</pre>
-
-<p>
-Loads a Lua chunk without running it.
-If there are no errors,
-<code>lua_load</code> pushes the compiled chunk as a Lua
-function on top of the stack.
-Otherwise, it pushes an error message.
-
-
-<p>
-The return values of <code>lua_load</code> are:
-
-<ul>
-
-<li><b><a href="#pdf-LUA_OK"><code>LUA_OK</code></a>: </b> no errors;</li>
-
-<li><b><a name="pdf-LUA_ERRSYNTAX"><code>LUA_ERRSYNTAX</code></a>: </b>
-syntax error during precompilation;</li>
-
-<li><b><a href="#pdf-LUA_ERRMEM"><code>LUA_ERRMEM</code></a>: </b>
-memory allocation (out-of-memory) error;</li>
-
-<li><b><a href="#pdf-LUA_ERRGCMM"><code>LUA_ERRGCMM</code></a>: </b>
-error while running a <code>__gc</code> metamethod.
-(This error has no relation with the chunk being loaded.
-It is generated by the garbage collector.)
-</li>
-
-</ul>
-
-<p>
-The <code>lua_load</code> function uses a user-supplied <code>reader</code> function
-to read the chunk (see <a href="#lua_Reader"><code>lua_Reader</code></a>).
-The <code>data</code> argument is an opaque value passed to the reader function.
-
-
-<p>
-The <code>chunkname</code> argument gives a name to the chunk,
-which is used for error messages and in debug information (see <a href="#4.9">&sect;4.9</a>).
-
-
-<p>
-<code>lua_load</code> automatically detects whether the chunk is text or binary
-and loads it accordingly (see program <code>luac</code>).
-The string <code>mode</code> works as in function <a href="#pdf-load"><code>load</code></a>,
-with the addition that
-a <code>NULL</code> value is equivalent to the string "<code>bt</code>".
-
-
-<p>
-<code>lua_load</code> uses the stack internally,
-so the reader function must always leave the stack
-unmodified when returning.
-
-
-<p>
-If the resulting function has upvalues,
-its first upvalue is set to the value of the global environment
-stored at index <code>LUA_RIDX_GLOBALS</code> in the registry (see <a href="#4.5">&sect;4.5</a>).
-When loading main chunks,
-this upvalue will be the <code>_ENV</code> variable (see <a href="#2.2">&sect;2.2</a>).
-Other upvalues are initialized with <b>nil</b>.
-
-
-
-
-
-<hr><h3><a name="lua_newstate"><code>lua_newstate</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>lua_State *lua_newstate (lua_Alloc f, void *ud);</pre>
-
-<p>
-Creates a new thread running in a new, independent state.
-Returns <code>NULL</code> if it cannot create the thread or the state
-(due to lack of memory).
-The argument <code>f</code> is the allocator function;
-Lua does all memory allocation for this state
-through this function (see <a href="#lua_Alloc"><code>lua_Alloc</code></a>).
-The second argument, <code>ud</code>, is an opaque pointer that Lua
-passes to the allocator in every call.
-
-
-
-
-
-<hr><h3><a name="lua_newtable"><code>lua_newtable</code></a></h3><p>
-<span class="apii">[-0, +1, <em>m</em>]</span>
-<pre>void lua_newtable (lua_State *L);</pre>
-
-<p>
-Creates a new empty table and pushes it onto the stack.
-It is equivalent to <code>lua_createtable(L, 0, 0)</code>.
-
-
-
-
-
-<hr><h3><a name="lua_newthread"><code>lua_newthread</code></a></h3><p>
-<span class="apii">[-0, +1, <em>m</em>]</span>
-<pre>lua_State *lua_newthread (lua_State *L);</pre>
-
-<p>
-Creates a new thread, pushes it on the stack,
-and returns a pointer to a <a href="#lua_State"><code>lua_State</code></a> that represents this new thread.
-The new thread returned by this function shares with the original thread
-its global environment,
-but has an independent execution stack.
-
-
-<p>
-There is no explicit function to close or to destroy a thread.
-Threads are subject to garbage collection,
-like any Lua object.
-
-
-
-
-
-<hr><h3><a name="lua_newuserdata"><code>lua_newuserdata</code></a></h3><p>
-<span class="apii">[-0, +1, <em>m</em>]</span>
-<pre>void *lua_newuserdata (lua_State *L, size_t size);</pre>
-
-<p>
-This function allocates a new block of memory with the given size,
-pushes onto the stack a new full userdata with the block address,
-and returns this address.
-The host program can freely use this memory.
-
-
-
-
-
-<hr><h3><a name="lua_next"><code>lua_next</code></a></h3><p>
-<span class="apii">[-1, +(2|0), <em>e</em>]</span>
-<pre>int lua_next (lua_State *L, int index);</pre>
-
-<p>
-Pops a key from the stack,
-and pushes a key&ndash;value pair from the table at the given index
-(the "next" pair after the given key).
-If there are no more elements in the table,
-then <a href="#lua_next"><code>lua_next</code></a> returns 0 (and pushes nothing).
-
-
-<p>
-A typical traversal looks like this:
-
-<pre>
- /* table is in the stack at index 't' */
- lua_pushnil(L); /* first key */
- while (lua_next(L, t) != 0) {
- /* uses 'key' (at index -2) and 'value' (at index -1) */
- printf("%s - %s\n",
- lua_typename(L, lua_type(L, -2)),
- lua_typename(L, lua_type(L, -1)));
- /* removes 'value'; keeps 'key' for next iteration */
- lua_pop(L, 1);
- }
-</pre>
-
-<p>
-While traversing a table,
-do not call <a href="#lua_tolstring"><code>lua_tolstring</code></a> directly on a key,
-unless you know that the key is actually a string.
-Recall that <a href="#lua_tolstring"><code>lua_tolstring</code></a> may change
-the value at the given index;
-this confuses the next call to <a href="#lua_next"><code>lua_next</code></a>.
-
-
-<p>
-See function <a href="#pdf-next"><code>next</code></a> for the caveats of modifying
-the table during its traversal.
-
-
-
-
-
-<hr><h3><a name="lua_Number"><code>lua_Number</code></a></h3>
-<pre>typedef ... lua_Number;</pre>
-
-<p>
-The type of floats in Lua.
-
-
-<p>
-By default this type is double,
-but that can be changed to a single float or a long double.
-(See <code>LUA_FLOAT_TYPE</code> in <code>luaconf.h</code>.)
-
-
-
-
-
-<hr><h3><a name="lua_numbertointeger"><code>lua_numbertointeger</code></a></h3>
-<pre>int lua_numbertointeger (lua_Number n, lua_Integer *p);</pre>
-
-<p>
-Converts a Lua float to a Lua integer.
-This macro assumes that <code>n</code> has an integral value.
-If that value is within the range of Lua integers,
-it is converted to an integer and assigned to <code>*p</code>.
-The macro results in a boolean indicating whether the
-conversion was successful.
-(Note that this range test can be tricky to do
-correctly without this macro,
-due to roundings.)
-
-
-<p>
-This macro may evaluate its arguments more than once.
-
-
-
-
-
-<hr><h3><a name="lua_pcall"><code>lua_pcall</code></a></h3><p>
-<span class="apii">[-(nargs + 1), +(nresults|1), &ndash;]</span>
-<pre>int lua_pcall (lua_State *L, int nargs, int nresults, int msgh);</pre>
-
-<p>
-Calls a function in protected mode.
-
-
-<p>
-Both <code>nargs</code> and <code>nresults</code> have the same meaning as
-in <a href="#lua_call"><code>lua_call</code></a>.
-If there are no errors during the call,
-<a href="#lua_pcall"><code>lua_pcall</code></a> behaves exactly like <a href="#lua_call"><code>lua_call</code></a>.
-However, if there is any error,
-<a href="#lua_pcall"><code>lua_pcall</code></a> catches it,
-pushes a single value on the stack (the error object),
-and returns an error code.
-Like <a href="#lua_call"><code>lua_call</code></a>,
-<a href="#lua_pcall"><code>lua_pcall</code></a> always removes the function
-and its arguments from the stack.
-
-
-<p>
-If <code>msgh</code> is 0,
-then the error object returned on the stack
-is exactly the original error object.
-Otherwise, <code>msgh</code> is the stack index of a
-<em>message handler</em>.
-(This index cannot be a pseudo-index.)
-In case of runtime errors,
-this function will be called with the error object
-and its return value will be the object
-returned on the stack by <a href="#lua_pcall"><code>lua_pcall</code></a>.
-
-
-<p>
-Typically, the message handler is used to add more debug
-information to the error object, such as a stack traceback.
-Such information cannot be gathered after the return of <a href="#lua_pcall"><code>lua_pcall</code></a>,
-since by then the stack has unwound.
-
-
-<p>
-The <a href="#lua_pcall"><code>lua_pcall</code></a> function returns one of the following constants
-(defined in <code>lua.h</code>):
-
-<ul>
-
-<li><b><a name="pdf-LUA_OK"><code>LUA_OK</code></a> (0): </b>
-success.</li>
-
-<li><b><a name="pdf-LUA_ERRRUN"><code>LUA_ERRRUN</code></a>: </b>
-a runtime error.
-</li>
-
-<li><b><a name="pdf-LUA_ERRMEM"><code>LUA_ERRMEM</code></a>: </b>
-memory allocation error.
-For such errors, Lua does not call the message handler.
-</li>
-
-<li><b><a name="pdf-LUA_ERRERR"><code>LUA_ERRERR</code></a>: </b>
-error while running the message handler.
-</li>
-
-<li><b><a name="pdf-LUA_ERRGCMM"><code>LUA_ERRGCMM</code></a>: </b>
-error while running a <code>__gc</code> metamethod.
-For such errors, Lua does not call the message handler
-(as this kind of error typically has no relation
-with the function being called).
-</li>
-
-</ul>
-
-
-
-
-<hr><h3><a name="lua_pcallk"><code>lua_pcallk</code></a></h3><p>
-<span class="apii">[-(nargs + 1), +(nresults|1), &ndash;]</span>
-<pre>int lua_pcallk (lua_State *L,
- int nargs,
- int nresults,
- int msgh,
- lua_KContext ctx,
- lua_KFunction k);</pre>
-
-<p>
-This function behaves exactly like <a href="#lua_pcall"><code>lua_pcall</code></a>,
-but allows the called function to yield (see <a href="#4.7">&sect;4.7</a>).
-
-
-
-
-
-<hr><h3><a name="lua_pop"><code>lua_pop</code></a></h3><p>
-<span class="apii">[-n, +0, &ndash;]</span>
-<pre>void lua_pop (lua_State *L, int n);</pre>
-
-<p>
-Pops <code>n</code> elements from the stack.
-
-
-
-
-
-<hr><h3><a name="lua_pushboolean"><code>lua_pushboolean</code></a></h3><p>
-<span class="apii">[-0, +1, &ndash;]</span>
-<pre>void lua_pushboolean (lua_State *L, int b);</pre>
-
-<p>
-Pushes a boolean value with value <code>b</code> onto the stack.
-
-
-
-
-
-<hr><h3><a name="lua_pushcclosure"><code>lua_pushcclosure</code></a></h3><p>
-<span class="apii">[-n, +1, <em>m</em>]</span>
-<pre>void lua_pushcclosure (lua_State *L, lua_CFunction fn, int n);</pre>
-
-<p>
-Pushes a new C&nbsp;closure onto the stack.
-
-
-<p>
-When a C&nbsp;function is created,
-it is possible to associate some values with it,
-thus creating a C&nbsp;closure (see <a href="#4.4">&sect;4.4</a>);
-these values are then accessible to the function whenever it is called.
-To associate values with a C&nbsp;function,
-first these values must be pushed onto the stack
-(when there are multiple values, the first value is pushed first).
-Then <a href="#lua_pushcclosure"><code>lua_pushcclosure</code></a>
-is called to create and push the C&nbsp;function onto the stack,
-with the argument <code>n</code> telling how many values will be
-associated with the function.
-<a href="#lua_pushcclosure"><code>lua_pushcclosure</code></a> also pops these values from the stack.
-
-
-<p>
-The maximum value for <code>n</code> is 255.
-
-
-<p>
-When <code>n</code> is zero,
-this function creates a <em>light C&nbsp;function</em>,
-which is just a pointer to the C&nbsp;function.
-In that case, it never raises a memory error.
-
-
-
-
-
-<hr><h3><a name="lua_pushcfunction"><code>lua_pushcfunction</code></a></h3><p>
-<span class="apii">[-0, +1, &ndash;]</span>
-<pre>void lua_pushcfunction (lua_State *L, lua_CFunction f);</pre>
-
-<p>
-Pushes a C&nbsp;function onto the stack.
-This function receives a pointer to a C&nbsp;function
-and pushes onto the stack a Lua value of type <code>function</code> that,
-when called, invokes the corresponding C&nbsp;function.
-
-
-<p>
-Any function to be callable by Lua must
-follow the correct protocol to receive its parameters
-and return its results (see <a href="#lua_CFunction"><code>lua_CFunction</code></a>).
-
-
-
-
-
-<hr><h3><a name="lua_pushfstring"><code>lua_pushfstring</code></a></h3><p>
-<span class="apii">[-0, +1, <em>e</em>]</span>
-<pre>const char *lua_pushfstring (lua_State *L, const char *fmt, ...);</pre>
-
-<p>
-Pushes onto the stack a formatted string
-and returns a pointer to this string.
-It is similar to the ISO&nbsp;C function <code>sprintf</code>,
-but has some important differences:
-
-<ul>
-
-<li>
-You do not have to allocate space for the result:
-the result is a Lua string and Lua takes care of memory allocation
-(and deallocation, through garbage collection).
-</li>
-
-<li>
-The conversion specifiers are quite restricted.
-There are no flags, widths, or precisions.
-The conversion specifiers can only be
-'<code>%%</code>' (inserts the character '<code>%</code>'),
-'<code>%s</code>' (inserts a zero-terminated string, with no size restrictions),
-'<code>%f</code>' (inserts a <a href="#lua_Number"><code>lua_Number</code></a>),
-'<code>%I</code>' (inserts a <a href="#lua_Integer"><code>lua_Integer</code></a>),
-'<code>%p</code>' (inserts a pointer as a hexadecimal numeral),
-'<code>%d</code>' (inserts an <code>int</code>),
-'<code>%c</code>' (inserts an <code>int</code> as a one-byte character), and
-'<code>%U</code>' (inserts a <code>long int</code> as a UTF-8 byte sequence).
-</li>
-
-</ul>
-
-<p>
-Unlike other push functions,
-this function checks for the stack space it needs,
-including the slot for its result.
-
-
-
-
-
-<hr><h3><a name="lua_pushglobaltable"><code>lua_pushglobaltable</code></a></h3><p>
-<span class="apii">[-0, +1, &ndash;]</span>
-<pre>void lua_pushglobaltable (lua_State *L);</pre>
-
-<p>
-Pushes the global environment onto the stack.
-
-
-
-
-
-<hr><h3><a name="lua_pushinteger"><code>lua_pushinteger</code></a></h3><p>
-<span class="apii">[-0, +1, &ndash;]</span>
-<pre>void lua_pushinteger (lua_State *L, lua_Integer n);</pre>
-
-<p>
-Pushes an integer with value <code>n</code> onto the stack.
-
-
-
-
-
-<hr><h3><a name="lua_pushlightuserdata"><code>lua_pushlightuserdata</code></a></h3><p>
-<span class="apii">[-0, +1, &ndash;]</span>
-<pre>void lua_pushlightuserdata (lua_State *L, void *p);</pre>
-
-<p>
-Pushes a light userdata onto the stack.
-
-
-<p>
-Userdata represent C&nbsp;values in Lua.
-A <em>light userdata</em> represents a pointer, a <code>void*</code>.
-It is a value (like a number):
-you do not create it, it has no individual metatable,
-and it is not collected (as it was never created).
-A light userdata is equal to "any"
-light userdata with the same C&nbsp;address.
-
-
-
-
-
-<hr><h3><a name="lua_pushliteral"><code>lua_pushliteral</code></a></h3><p>
-<span class="apii">[-0, +1, <em>m</em>]</span>
-<pre>const char *lua_pushliteral (lua_State *L, const char *s);</pre>
-
-<p>
-This macro is equivalent to <a href="#lua_pushstring"><code>lua_pushstring</code></a>,
-but should be used only when <code>s</code> is a literal string.
-
-
-
-
-
-<hr><h3><a name="lua_pushlstring"><code>lua_pushlstring</code></a></h3><p>
-<span class="apii">[-0, +1, <em>m</em>]</span>
-<pre>const char *lua_pushlstring (lua_State *L, const char *s, size_t len);</pre>
-
-<p>
-Pushes the string pointed to by <code>s</code> with size <code>len</code>
-onto the stack.
-Lua makes (or reuses) an internal copy of the given string,
-so the memory at <code>s</code> can be freed or reused immediately after
-the function returns.
-The string can contain any binary data,
-including embedded zeros.
-
-
-<p>
-Returns a pointer to the internal copy of the string.
-
-
-
-
-
-<hr><h3><a name="lua_pushnil"><code>lua_pushnil</code></a></h3><p>
-<span class="apii">[-0, +1, &ndash;]</span>
-<pre>void lua_pushnil (lua_State *L);</pre>
-
-<p>
-Pushes a nil value onto the stack.
-
-
-
-
-
-<hr><h3><a name="lua_pushnumber"><code>lua_pushnumber</code></a></h3><p>
-<span class="apii">[-0, +1, &ndash;]</span>
-<pre>void lua_pushnumber (lua_State *L, lua_Number n);</pre>
-
-<p>
-Pushes a float with value <code>n</code> onto the stack.
-
-
-
-
-
-<hr><h3><a name="lua_pushstring"><code>lua_pushstring</code></a></h3><p>
-<span class="apii">[-0, +1, <em>m</em>]</span>
-<pre>const char *lua_pushstring (lua_State *L, const char *s);</pre>
-
-<p>
-Pushes the zero-terminated string pointed to by <code>s</code>
-onto the stack.
-Lua makes (or reuses) an internal copy of the given string,
-so the memory at <code>s</code> can be freed or reused immediately after
-the function returns.
-
-
-<p>
-Returns a pointer to the internal copy of the string.
-
-
-<p>
-If <code>s</code> is <code>NULL</code>, pushes <b>nil</b> and returns <code>NULL</code>.
-
-
-
-
-
-<hr><h3><a name="lua_pushthread"><code>lua_pushthread</code></a></h3><p>
-<span class="apii">[-0, +1, &ndash;]</span>
-<pre>int lua_pushthread (lua_State *L);</pre>
-
-<p>
-Pushes the thread represented by <code>L</code> onto the stack.
-Returns 1 if this thread is the main thread of its state.
-
-
-
-
-
-<hr><h3><a name="lua_pushvalue"><code>lua_pushvalue</code></a></h3><p>
-<span class="apii">[-0, +1, &ndash;]</span>
-<pre>void lua_pushvalue (lua_State *L, int index);</pre>
-
-<p>
-Pushes a copy of the element at the given index
-onto the stack.
-
-
-
-
-
-<hr><h3><a name="lua_pushvfstring"><code>lua_pushvfstring</code></a></h3><p>
-<span class="apii">[-0, +1, <em>m</em>]</span>
-<pre>const char *lua_pushvfstring (lua_State *L,
- const char *fmt,
- va_list argp);</pre>
-
-<p>
-Equivalent to <a href="#lua_pushfstring"><code>lua_pushfstring</code></a>, except that it receives a <code>va_list</code>
-instead of a variable number of arguments.
-
-
-
-
-
-<hr><h3><a name="lua_rawequal"><code>lua_rawequal</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>int lua_rawequal (lua_State *L, int index1, int index2);</pre>
-
-<p>
-Returns 1 if the two values in indices <code>index1</code> and
-<code>index2</code> are primitively equal
-(that is, without calling the <code>__eq</code> metamethod).
-Otherwise returns&nbsp;0.
-Also returns&nbsp;0 if any of the indices are not valid.
-
-
-
-
-
-<hr><h3><a name="lua_rawget"><code>lua_rawget</code></a></h3><p>
-<span class="apii">[-1, +1, &ndash;]</span>
-<pre>int lua_rawget (lua_State *L, int index);</pre>
-
-<p>
-Similar to <a href="#lua_gettable"><code>lua_gettable</code></a>, but does a raw access
-(i.e., without metamethods).
-
-
-
-
-
-<hr><h3><a name="lua_rawgeti"><code>lua_rawgeti</code></a></h3><p>
-<span class="apii">[-0, +1, &ndash;]</span>
-<pre>int lua_rawgeti (lua_State *L, int index, lua_Integer n);</pre>
-
-<p>
-Pushes onto the stack the value <code>t[n]</code>,
-where <code>t</code> is the table at the given index.
-The access is raw,
-that is, it does not invoke the <code>__index</code> metamethod.
-
-
-<p>
-Returns the type of the pushed value.
-
-
-
-
-
-<hr><h3><a name="lua_rawgetp"><code>lua_rawgetp</code></a></h3><p>
-<span class="apii">[-0, +1, &ndash;]</span>
-<pre>int lua_rawgetp (lua_State *L, int index, const void *p);</pre>
-
-<p>
-Pushes onto the stack the value <code>t[k]</code>,
-where <code>t</code> is the table at the given index and
-<code>k</code> is the pointer <code>p</code> represented as a light userdata.
-The access is raw;
-that is, it does not invoke the <code>__index</code> metamethod.
-
-
-<p>
-Returns the type of the pushed value.
-
-
-
-
-
-<hr><h3><a name="lua_rawlen"><code>lua_rawlen</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>size_t lua_rawlen (lua_State *L, int index);</pre>
-
-<p>
-Returns the raw "length" of the value at the given index:
-for strings, this is the string length;
-for tables, this is the result of the length operator ('<code>#</code>')
-with no metamethods;
-for userdata, this is the size of the block of memory allocated
-for the userdata;
-for other values, it is&nbsp;0.
-
-
-
-
-
-<hr><h3><a name="lua_rawset"><code>lua_rawset</code></a></h3><p>
-<span class="apii">[-2, +0, <em>m</em>]</span>
-<pre>void lua_rawset (lua_State *L, int index);</pre>
-
-<p>
-Similar to <a href="#lua_settable"><code>lua_settable</code></a>, but does a raw assignment
-(i.e., without metamethods).
-
-
-
-
-
-<hr><h3><a name="lua_rawseti"><code>lua_rawseti</code></a></h3><p>
-<span class="apii">[-1, +0, <em>m</em>]</span>
-<pre>void lua_rawseti (lua_State *L, int index, lua_Integer i);</pre>
-
-<p>
-Does the equivalent of <code>t[i] = v</code>,
-where <code>t</code> is the table at the given index
-and <code>v</code> is the value at the top of the stack.
-
-
-<p>
-This function pops the value from the stack.
-The assignment is raw,
-that is, it does not invoke the <code>__newindex</code> metamethod.
-
-
-
-
-
-<hr><h3><a name="lua_rawsetp"><code>lua_rawsetp</code></a></h3><p>
-<span class="apii">[-1, +0, <em>m</em>]</span>
-<pre>void lua_rawsetp (lua_State *L, int index, const void *p);</pre>
-
-<p>
-Does the equivalent of <code>t[p] = v</code>,
-where <code>t</code> is the table at the given index,
-<code>p</code> is encoded as a light userdata,
-and <code>v</code> is the value at the top of the stack.
-
-
-<p>
-This function pops the value from the stack.
-The assignment is raw,
-that is, it does not invoke <code>__newindex</code> metamethod.
-
-
-
-
-
-<hr><h3><a name="lua_Reader"><code>lua_Reader</code></a></h3>
-<pre>typedef const char * (*lua_Reader) (lua_State *L,
- void *data,
- size_t *size);</pre>
-
-<p>
-The reader function used by <a href="#lua_load"><code>lua_load</code></a>.
-Every time it needs another piece of the chunk,
-<a href="#lua_load"><code>lua_load</code></a> calls the reader,
-passing along its <code>data</code> parameter.
-The reader must return a pointer to a block of memory
-with a new piece of the chunk
-and set <code>size</code> to the block size.
-The block must exist until the reader function is called again.
-To signal the end of the chunk,
-the reader must return <code>NULL</code> or set <code>size</code> to zero.
-The reader function may return pieces of any size greater than zero.
-
-
-
-
-
-<hr><h3><a name="lua_register"><code>lua_register</code></a></h3><p>
-<span class="apii">[-0, +0, <em>e</em>]</span>
-<pre>void lua_register (lua_State *L, const char *name, lua_CFunction f);</pre>
-
-<p>
-Sets the C&nbsp;function <code>f</code> as the new value of global <code>name</code>.
-It is defined as a macro:
-
-<pre>
- #define lua_register(L,n,f) \
- (lua_pushcfunction(L, f), lua_setglobal(L, n))
-</pre>
-
-
-
-
-<hr><h3><a name="lua_remove"><code>lua_remove</code></a></h3><p>
-<span class="apii">[-1, +0, &ndash;]</span>
-<pre>void lua_remove (lua_State *L, int index);</pre>
-
-<p>
-Removes the element at the given valid index,
-shifting down the elements above this index to fill the gap.
-This function cannot be called with a pseudo-index,
-because a pseudo-index is not an actual stack position.
-
-
-
-
-
-<hr><h3><a name="lua_replace"><code>lua_replace</code></a></h3><p>
-<span class="apii">[-1, +0, &ndash;]</span>
-<pre>void lua_replace (lua_State *L, int index);</pre>
-
-<p>
-Moves the top element into the given valid index
-without shifting any element
-(therefore replacing the value at that given index),
-and then pops the top element.
-
-
-
-
-
-<hr><h3><a name="lua_resume"><code>lua_resume</code></a></h3><p>
-<span class="apii">[-?, +?, &ndash;]</span>
-<pre>int lua_resume (lua_State *L, lua_State *from, int nargs);</pre>
-
-<p>
-Starts and resumes a coroutine in the given thread <code>L</code>.
-
-
-<p>
-To start a coroutine,
-you push onto the thread stack the main function plus any arguments;
-then you call <a href="#lua_resume"><code>lua_resume</code></a>,
-with <code>nargs</code> being the number of arguments.
-This call returns when the coroutine suspends or finishes its execution.
-When it returns, the stack contains all values passed to <a href="#lua_yield"><code>lua_yield</code></a>,
-or all values returned by the body function.
-<a href="#lua_resume"><code>lua_resume</code></a> returns
-<a href="#pdf-LUA_YIELD"><code>LUA_YIELD</code></a> if the coroutine yields,
-<a href="#pdf-LUA_OK"><code>LUA_OK</code></a> if the coroutine finishes its execution
-without errors,
-or an error code in case of errors (see <a href="#lua_pcall"><code>lua_pcall</code></a>).
-
-
-<p>
-In case of errors,
-the stack is not unwound,
-so you can use the debug API over it.
-The error object is on the top of the stack.
-
-
-<p>
-To resume a coroutine,
-you remove any results from the last <a href="#lua_yield"><code>lua_yield</code></a>,
-put on its stack only the values to
-be passed as results from <code>yield</code>,
-and then call <a href="#lua_resume"><code>lua_resume</code></a>.
-
-
-<p>
-The parameter <code>from</code> represents the coroutine that is resuming <code>L</code>.
-If there is no such coroutine,
-this parameter can be <code>NULL</code>.
-
-
-
-
-
-<hr><h3><a name="lua_rotate"><code>lua_rotate</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>void lua_rotate (lua_State *L, int idx, int n);</pre>
-
-<p>
-Rotates the stack elements between the valid index <code>idx</code>
-and the top of the stack.
-The elements are rotated <code>n</code> positions in the direction of the top,
-for a positive <code>n</code>,
-or <code>-n</code> positions in the direction of the bottom,
-for a negative <code>n</code>.
-The absolute value of <code>n</code> must not be greater than the size
-of the slice being rotated.
-This function cannot be called with a pseudo-index,
-because a pseudo-index is not an actual stack position.
-
-
-
-
-
-<hr><h3><a name="lua_setallocf"><code>lua_setallocf</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>void lua_setallocf (lua_State *L, lua_Alloc f, void *ud);</pre>
-
-<p>
-Changes the allocator function of a given state to <code>f</code>
-with user data <code>ud</code>.
-
-
-
-
-
-<hr><h3><a name="lua_setfield"><code>lua_setfield</code></a></h3><p>
-<span class="apii">[-1, +0, <em>e</em>]</span>
-<pre>void lua_setfield (lua_State *L, int index, const char *k);</pre>
-
-<p>
-Does the equivalent to <code>t[k] = v</code>,
-where <code>t</code> is the value at the given index
-and <code>v</code> is the value at the top of the stack.
-
-
-<p>
-This function pops the value from the stack.
-As in Lua, this function may trigger a metamethod
-for the "newindex" event (see <a href="#2.4">&sect;2.4</a>).
-
-
-
-
-
-<hr><h3><a name="lua_setglobal"><code>lua_setglobal</code></a></h3><p>
-<span class="apii">[-1, +0, <em>e</em>]</span>
-<pre>void lua_setglobal (lua_State *L, const char *name);</pre>
-
-<p>
-Pops a value from the stack and
-sets it as the new value of global <code>name</code>.
-
-
-
-
-
-<hr><h3><a name="lua_seti"><code>lua_seti</code></a></h3><p>
-<span class="apii">[-1, +0, <em>e</em>]</span>
-<pre>void lua_seti (lua_State *L, int index, lua_Integer n);</pre>
-
-<p>
-Does the equivalent to <code>t[n] = v</code>,
-where <code>t</code> is the value at the given index
-and <code>v</code> is the value at the top of the stack.
-
-
-<p>
-This function pops the value from the stack.
-As in Lua, this function may trigger a metamethod
-for the "newindex" event (see <a href="#2.4">&sect;2.4</a>).
-
-
-
-
-
-<hr><h3><a name="lua_setmetatable"><code>lua_setmetatable</code></a></h3><p>
-<span class="apii">[-1, +0, &ndash;]</span>
-<pre>void lua_setmetatable (lua_State *L, int index);</pre>
-
-<p>
-Pops a table from the stack and
-sets it as the new metatable for the value at the given index.
-
-
-
-
-
-<hr><h3><a name="lua_settable"><code>lua_settable</code></a></h3><p>
-<span class="apii">[-2, +0, <em>e</em>]</span>
-<pre>void lua_settable (lua_State *L, int index);</pre>
-
-<p>
-Does the equivalent to <code>t[k] = v</code>,
-where <code>t</code> is the value at the given index,
-<code>v</code> is the value at the top of the stack,
-and <code>k</code> is the value just below the top.
-
-
-<p>
-This function pops both the key and the value from the stack.
-As in Lua, this function may trigger a metamethod
-for the "newindex" event (see <a href="#2.4">&sect;2.4</a>).
-
-
-
-
-
-<hr><h3><a name="lua_settop"><code>lua_settop</code></a></h3><p>
-<span class="apii">[-?, +?, &ndash;]</span>
-<pre>void lua_settop (lua_State *L, int index);</pre>
-
-<p>
-Accepts any index, or&nbsp;0,
-and sets the stack top to this index.
-If the new top is larger than the old one,
-then the new elements are filled with <b>nil</b>.
-If <code>index</code> is&nbsp;0, then all stack elements are removed.
-
-
-
-
-
-<hr><h3><a name="lua_setuservalue"><code>lua_setuservalue</code></a></h3><p>
-<span class="apii">[-1, +0, &ndash;]</span>
-<pre>void lua_setuservalue (lua_State *L, int index);</pre>
-
-<p>
-Pops a value from the stack and sets it as
-the new value associated to the full userdata at the given index.
-
-
-
-
-
-<hr><h3><a name="lua_State"><code>lua_State</code></a></h3>
-<pre>typedef struct lua_State lua_State;</pre>
-
-<p>
-An opaque structure that points to a thread and indirectly
-(through the thread) to the whole state of a Lua interpreter.
-The Lua library is fully reentrant:
-it has no global variables.
-All information about a state is accessible through this structure.
-
-
-<p>
-A pointer to this structure must be passed as the first argument to
-every function in the library, except to <a href="#lua_newstate"><code>lua_newstate</code></a>,
-which creates a Lua state from scratch.
-
-
-
-
-
-<hr><h3><a name="lua_status"><code>lua_status</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>int lua_status (lua_State *L);</pre>
-
-<p>
-Returns the status of the thread <code>L</code>.
-
-
-<p>
-The status can be 0 (<a href="#pdf-LUA_OK"><code>LUA_OK</code></a>) for a normal thread,
-an error code if the thread finished the execution
-of a <a href="#lua_resume"><code>lua_resume</code></a> with an error,
-or <a name="pdf-LUA_YIELD"><code>LUA_YIELD</code></a> if the thread is suspended.
-
-
-<p>
-You can only call functions in threads with status <a href="#pdf-LUA_OK"><code>LUA_OK</code></a>.
-You can resume threads with status <a href="#pdf-LUA_OK"><code>LUA_OK</code></a>
-(to start a new coroutine) or <a href="#pdf-LUA_YIELD"><code>LUA_YIELD</code></a>
-(to resume a coroutine).
-
-
-
-
-
-<hr><h3><a name="lua_stringtonumber"><code>lua_stringtonumber</code></a></h3><p>
-<span class="apii">[-0, +1, &ndash;]</span>
-<pre>size_t lua_stringtonumber (lua_State *L, const char *s);</pre>
-
-<p>
-Converts the zero-terminated string <code>s</code> to a number,
-pushes that number into the stack,
-and returns the total size of the string,
-that is, its length plus one.
-The conversion can result in an integer or a float,
-according to the lexical conventions of Lua (see <a href="#3.1">&sect;3.1</a>).
-The string may have leading and trailing spaces and a sign.
-If the string is not a valid numeral,
-returns 0 and pushes nothing.
-(Note that the result can be used as a boolean,
-true if the conversion succeeds.)
-
-
-
-
-
-<hr><h3><a name="lua_toboolean"><code>lua_toboolean</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>int lua_toboolean (lua_State *L, int index);</pre>
-
-<p>
-Converts the Lua value at the given index to a C&nbsp;boolean
-value (0&nbsp;or&nbsp;1).
-Like all tests in Lua,
-<a href="#lua_toboolean"><code>lua_toboolean</code></a> returns true for any Lua value
-different from <b>false</b> and <b>nil</b>;
-otherwise it returns false.
-(If you want to accept only actual boolean values,
-use <a href="#lua_isboolean"><code>lua_isboolean</code></a> to test the value's type.)
-
-
-
-
-
-<hr><h3><a name="lua_tocfunction"><code>lua_tocfunction</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>lua_CFunction lua_tocfunction (lua_State *L, int index);</pre>
-
-<p>
-Converts a value at the given index to a C&nbsp;function.
-That value must be a C&nbsp;function;
-otherwise, returns <code>NULL</code>.
-
-
-
-
-
-<hr><h3><a name="lua_tointeger"><code>lua_tointeger</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>lua_Integer lua_tointeger (lua_State *L, int index);</pre>
-
-<p>
-Equivalent to <a href="#lua_tointegerx"><code>lua_tointegerx</code></a> with <code>isnum</code> equal to <code>NULL</code>.
-
-
-
-
-
-<hr><h3><a name="lua_tointegerx"><code>lua_tointegerx</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>lua_Integer lua_tointegerx (lua_State *L, int index, int *isnum);</pre>
-
-<p>
-Converts the Lua value at the given index
-to the signed integral type <a href="#lua_Integer"><code>lua_Integer</code></a>.
-The Lua value must be an integer,
-or a number or string convertible to an integer (see <a href="#3.4.3">&sect;3.4.3</a>);
-otherwise, <code>lua_tointegerx</code> returns&nbsp;0.
-
-
-<p>
-If <code>isnum</code> is not <code>NULL</code>,
-its referent is assigned a boolean value that
-indicates whether the operation succeeded.
-
-
-
-
-
-<hr><h3><a name="lua_tolstring"><code>lua_tolstring</code></a></h3><p>
-<span class="apii">[-0, +0, <em>m</em>]</span>
-<pre>const char *lua_tolstring (lua_State *L, int index, size_t *len);</pre>
-
-<p>
-Converts the Lua value at the given index to a C&nbsp;string.
-If <code>len</code> is not <code>NULL</code>,
-it sets <code>*len</code> with the string length.
-The Lua value must be a string or a number;
-otherwise, the function returns <code>NULL</code>.
-If the value is a number,
-then <code>lua_tolstring</code> also
-<em>changes the actual value in the stack to a string</em>.
-(This change confuses <a href="#lua_next"><code>lua_next</code></a>
-when <code>lua_tolstring</code> is applied to keys during a table traversal.)
-
-
-<p>
-<code>lua_tolstring</code> returns a pointer
-to a string inside the Lua state.
-This string always has a zero ('<code>\0</code>')
-after its last character (as in&nbsp;C),
-but can contain other zeros in its body.
-
-
-<p>
-Because Lua has garbage collection,
-there is no guarantee that the pointer returned by <code>lua_tolstring</code>
-will be valid after the corresponding Lua value is removed from the stack.
-
-
-
-
-
-<hr><h3><a name="lua_tonumber"><code>lua_tonumber</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>lua_Number lua_tonumber (lua_State *L, int index);</pre>
-
-<p>
-Equivalent to <a href="#lua_tonumberx"><code>lua_tonumberx</code></a> with <code>isnum</code> equal to <code>NULL</code>.
-
-
-
-
-
-<hr><h3><a name="lua_tonumberx"><code>lua_tonumberx</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>lua_Number lua_tonumberx (lua_State *L, int index, int *isnum);</pre>
-
-<p>
-Converts the Lua value at the given index
-to the C&nbsp;type <a href="#lua_Number"><code>lua_Number</code></a> (see <a href="#lua_Number"><code>lua_Number</code></a>).
-The Lua value must be a number or a string convertible to a number
-(see <a href="#3.4.3">&sect;3.4.3</a>);
-otherwise, <a href="#lua_tonumberx"><code>lua_tonumberx</code></a> returns&nbsp;0.
-
-
-<p>
-If <code>isnum</code> is not <code>NULL</code>,
-its referent is assigned a boolean value that
-indicates whether the operation succeeded.
-
-
-
-
-
-<hr><h3><a name="lua_topointer"><code>lua_topointer</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>const void *lua_topointer (lua_State *L, int index);</pre>
-
-<p>
-Converts the value at the given index to a generic
-C&nbsp;pointer (<code>void*</code>).
-The value can be a userdata, a table, a thread, or a function;
-otherwise, <code>lua_topointer</code> returns <code>NULL</code>.
-Different objects will give different pointers.
-There is no way to convert the pointer back to its original value.
-
-
-<p>
-Typically this function is used only for hashing and debug information.
-
-
-
-
-
-<hr><h3><a name="lua_tostring"><code>lua_tostring</code></a></h3><p>
-<span class="apii">[-0, +0, <em>m</em>]</span>
-<pre>const char *lua_tostring (lua_State *L, int index);</pre>
-
-<p>
-Equivalent to <a href="#lua_tolstring"><code>lua_tolstring</code></a> with <code>len</code> equal to <code>NULL</code>.
-
-
-
-
-
-<hr><h3><a name="lua_tothread"><code>lua_tothread</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>lua_State *lua_tothread (lua_State *L, int index);</pre>
-
-<p>
-Converts the value at the given index to a Lua thread
-(represented as <code>lua_State*</code>).
-This value must be a thread;
-otherwise, the function returns <code>NULL</code>.
-
-
-
-
-
-<hr><h3><a name="lua_touserdata"><code>lua_touserdata</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>void *lua_touserdata (lua_State *L, int index);</pre>
-
-<p>
-If the value at the given index is a full userdata,
-returns its block address.
-If the value is a light userdata,
-returns its pointer.
-Otherwise, returns <code>NULL</code>.
-
-
-
-
-
-<hr><h3><a name="lua_type"><code>lua_type</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>int lua_type (lua_State *L, int index);</pre>
-
-<p>
-Returns the type of the value in the given valid index,
-or <code>LUA_TNONE</code> for a non-valid (but acceptable) index.
-The types returned by <a href="#lua_type"><code>lua_type</code></a> are coded by the following constants
-defined in <code>lua.h</code>:
-<a name="pdf-LUA_TNIL"><code>LUA_TNIL</code></a> (0),
-<a name="pdf-LUA_TNUMBER"><code>LUA_TNUMBER</code></a>,
-<a name="pdf-LUA_TBOOLEAN"><code>LUA_TBOOLEAN</code></a>,
-<a name="pdf-LUA_TSTRING"><code>LUA_TSTRING</code></a>,
-<a name="pdf-LUA_TTABLE"><code>LUA_TTABLE</code></a>,
-<a name="pdf-LUA_TFUNCTION"><code>LUA_TFUNCTION</code></a>,
-<a name="pdf-LUA_TUSERDATA"><code>LUA_TUSERDATA</code></a>,
-<a name="pdf-LUA_TTHREAD"><code>LUA_TTHREAD</code></a>,
-and
-<a name="pdf-LUA_TLIGHTUSERDATA"><code>LUA_TLIGHTUSERDATA</code></a>.
-
-
-
-
-
-<hr><h3><a name="lua_typename"><code>lua_typename</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>const char *lua_typename (lua_State *L, int tp);</pre>
-
-<p>
-Returns the name of the type encoded by the value <code>tp</code>,
-which must be one the values returned by <a href="#lua_type"><code>lua_type</code></a>.
-
-
-
-
-
-<hr><h3><a name="lua_Unsigned"><code>lua_Unsigned</code></a></h3>
-<pre>typedef ... lua_Unsigned;</pre>
-
-<p>
-The unsigned version of <a href="#lua_Integer"><code>lua_Integer</code></a>.
-
-
-
-
-
-<hr><h3><a name="lua_upvalueindex"><code>lua_upvalueindex</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>int lua_upvalueindex (int i);</pre>
-
-<p>
-Returns the pseudo-index that represents the <code>i</code>-th upvalue of
-the running function (see <a href="#4.4">&sect;4.4</a>).
-
-
-
-
-
-<hr><h3><a name="lua_version"><code>lua_version</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>const lua_Number *lua_version (lua_State *L);</pre>
-
-<p>
-Returns the address of the version number
-(a C static variable)
-stored in the Lua core.
-When called with a valid <a href="#lua_State"><code>lua_State</code></a>,
-returns the address of the version used to create that state.
-When called with <code>NULL</code>,
-returns the address of the version running the call.
-
-
-
-
-
-<hr><h3><a name="lua_Writer"><code>lua_Writer</code></a></h3>
-<pre>typedef int (*lua_Writer) (lua_State *L,
- const void* p,
- size_t sz,
- void* ud);</pre>
-
-<p>
-The type of the writer function used by <a href="#lua_dump"><code>lua_dump</code></a>.
-Every time it produces another piece of chunk,
-<a href="#lua_dump"><code>lua_dump</code></a> calls the writer,
-passing along the buffer to be written (<code>p</code>),
-its size (<code>sz</code>),
-and the <code>data</code> parameter supplied to <a href="#lua_dump"><code>lua_dump</code></a>.
-
-
-<p>
-The writer returns an error code:
-0&nbsp;means no errors;
-any other value means an error and stops <a href="#lua_dump"><code>lua_dump</code></a> from
-calling the writer again.
-
-
-
-
-
-<hr><h3><a name="lua_xmove"><code>lua_xmove</code></a></h3><p>
-<span class="apii">[-?, +?, &ndash;]</span>
-<pre>void lua_xmove (lua_State *from, lua_State *to, int n);</pre>
-
-<p>
-Exchange values between different threads of the same state.
-
-
-<p>
-This function pops <code>n</code> values from the stack <code>from</code>,
-and pushes them onto the stack <code>to</code>.
-
-
-
-
-
-<hr><h3><a name="lua_yield"><code>lua_yield</code></a></h3><p>
-<span class="apii">[-?, +?, <em>e</em>]</span>
-<pre>int lua_yield (lua_State *L, int nresults);</pre>
-
-<p>
-This function is equivalent to <a href="#lua_yieldk"><code>lua_yieldk</code></a>,
-but it has no continuation (see <a href="#4.7">&sect;4.7</a>).
-Therefore, when the thread resumes,
-it continues the function that called
-the function calling <code>lua_yield</code>.
-
-
-
-
-
-<hr><h3><a name="lua_yieldk"><code>lua_yieldk</code></a></h3><p>
-<span class="apii">[-?, +?, <em>e</em>]</span>
-<pre>int lua_yieldk (lua_State *L,
- int nresults,
- lua_KContext ctx,
- lua_KFunction k);</pre>
-
-<p>
-Yields a coroutine (thread).
-
-
-<p>
-When a C&nbsp;function calls <a href="#lua_yieldk"><code>lua_yieldk</code></a>,
-the running coroutine suspends its execution,
-and the call to <a href="#lua_resume"><code>lua_resume</code></a> that started this coroutine returns.
-The parameter <code>nresults</code> is the number of values from the stack
-that will be passed as results to <a href="#lua_resume"><code>lua_resume</code></a>.
-
-
-<p>
-When the coroutine is resumed again,
-Lua calls the given continuation function <code>k</code> to continue
-the execution of the C&nbsp;function that yielded (see <a href="#4.7">&sect;4.7</a>).
-This continuation function receives the same stack
-from the previous function,
-with the <code>n</code> results removed and
-replaced by the arguments passed to <a href="#lua_resume"><code>lua_resume</code></a>.
-Moreover,
-the continuation function receives the value <code>ctx</code>
-that was passed to <a href="#lua_yieldk"><code>lua_yieldk</code></a>.
-
-
-<p>
-Usually, this function does not return;
-when the coroutine eventually resumes,
-it continues executing the continuation function.
-However, there is one special case,
-which is when this function is called
-from inside a line or a count hook (see <a href="#4.9">&sect;4.9</a>).
-In that case, <code>lua_yieldk</code> should be called with no continuation
-(probably in the form of <a href="#lua_yield"><code>lua_yield</code></a>) and no results,
-and the hook should return immediately after the call.
-Lua will yield and,
-when the coroutine resumes again,
-it will continue the normal execution
-of the (Lua) function that triggered the hook.
-
-
-<p>
-This function can raise an error if it is called from a thread
-with a pending C call with no continuation function,
-or it is called from a thread that is not running inside a resume
-(e.g., the main thread).
-
-
-
-
-
-
-
-<h2>4.9 &ndash; <a name="4.9">The Debug Interface</a></h2>
-
-<p>
-Lua has no built-in debugging facilities.
-Instead, it offers a special interface
-by means of functions and <em>hooks</em>.
-This interface allows the construction of different
-kinds of debuggers, profilers, and other tools
-that need "inside information" from the interpreter.
-
-
-
-<hr><h3><a name="lua_Debug"><code>lua_Debug</code></a></h3>
-<pre>typedef struct lua_Debug {
- int event;
- const char *name; /* (n) */
- const char *namewhat; /* (n) */
- const char *what; /* (S) */
- const char *source; /* (S) */
- int currentline; /* (l) */
- int linedefined; /* (S) */
- int lastlinedefined; /* (S) */
- unsigned char nups; /* (u) number of upvalues */
- unsigned char nparams; /* (u) number of parameters */
- char isvararg; /* (u) */
- char istailcall; /* (t) */
- char short_src[LUA_IDSIZE]; /* (S) */
- /* private part */
- <em>other fields</em>
-} lua_Debug;</pre>
-
-<p>
-A structure used to carry different pieces of
-information about a function or an activation record.
-<a href="#lua_getstack"><code>lua_getstack</code></a> fills only the private part
-of this structure, for later use.
-To fill the other fields of <a href="#lua_Debug"><code>lua_Debug</code></a> with useful information,
-call <a href="#lua_getinfo"><code>lua_getinfo</code></a>.
-
-
-<p>
-The fields of <a href="#lua_Debug"><code>lua_Debug</code></a> have the following meaning:
-
-<ul>
-
-<li><b><code>source</code>: </b>
-the name of the chunk that created the function.
-If <code>source</code> starts with a '<code>@</code>',
-it means that the function was defined in a file where
-the file name follows the '<code>@</code>'.
-If <code>source</code> starts with a '<code>=</code>',
-the remainder of its contents describe the source in a user-dependent manner.
-Otherwise,
-the function was defined in a string where
-<code>source</code> is that string.
-</li>
-
-<li><b><code>short_src</code>: </b>
-a "printable" version of <code>source</code>, to be used in error messages.
-</li>
-
-<li><b><code>linedefined</code>: </b>
-the line number where the definition of the function starts.
-</li>
-
-<li><b><code>lastlinedefined</code>: </b>
-the line number where the definition of the function ends.
-</li>
-
-<li><b><code>what</code>: </b>
-the string <code>"Lua"</code> if the function is a Lua function,
-<code>"C"</code> if it is a C&nbsp;function,
-<code>"main"</code> if it is the main part of a chunk.
-</li>
-
-<li><b><code>currentline</code>: </b>
-the current line where the given function is executing.
-When no line information is available,
-<code>currentline</code> is set to -1.
-</li>
-
-<li><b><code>name</code>: </b>
-a reasonable name for the given function.
-Because functions in Lua are first-class values,
-they do not have a fixed name:
-some functions can be the value of multiple global variables,
-while others can be stored only in a table field.
-The <code>lua_getinfo</code> function checks how the function was
-called to find a suitable name.
-If it cannot find a name,
-then <code>name</code> is set to <code>NULL</code>.
-</li>
-
-<li><b><code>namewhat</code>: </b>
-explains the <code>name</code> field.
-The value of <code>namewhat</code> can be
-<code>"global"</code>, <code>"local"</code>, <code>"method"</code>,
-<code>"field"</code>, <code>"upvalue"</code>, or <code>""</code> (the empty string),
-according to how the function was called.
-(Lua uses the empty string when no other option seems to apply.)
-</li>
-
-<li><b><code>istailcall</code>: </b>
-true if this function invocation was called by a tail call.
-In this case, the caller of this level is not in the stack.
-</li>
-
-<li><b><code>nups</code>: </b>
-the number of upvalues of the function.
-</li>
-
-<li><b><code>nparams</code>: </b>
-the number of fixed parameters of the function
-(always 0&nbsp;for C&nbsp;functions).
-</li>
-
-<li><b><code>isvararg</code>: </b>
-true if the function is a vararg function
-(always true for C&nbsp;functions).
-</li>
-
-</ul>
-
-
-
-
-<hr><h3><a name="lua_gethook"><code>lua_gethook</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>lua_Hook lua_gethook (lua_State *L);</pre>
-
-<p>
-Returns the current hook function.
-
-
-
-
-
-<hr><h3><a name="lua_gethookcount"><code>lua_gethookcount</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>int lua_gethookcount (lua_State *L);</pre>
-
-<p>
-Returns the current hook count.
-
-
-
-
-
-<hr><h3><a name="lua_gethookmask"><code>lua_gethookmask</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>int lua_gethookmask (lua_State *L);</pre>
-
-<p>
-Returns the current hook mask.
-
-
-
-
-
-<hr><h3><a name="lua_getinfo"><code>lua_getinfo</code></a></h3><p>
-<span class="apii">[-(0|1), +(0|1|2), <em>e</em>]</span>
-<pre>int lua_getinfo (lua_State *L, const char *what, lua_Debug *ar);</pre>
-
-<p>
-Gets information about a specific function or function invocation.
-
-
-<p>
-To get information about a function invocation,
-the parameter <code>ar</code> must be a valid activation record that was
-filled by a previous call to <a href="#lua_getstack"><code>lua_getstack</code></a> or
-given as argument to a hook (see <a href="#lua_Hook"><code>lua_Hook</code></a>).
-
-
-<p>
-To get information about a function, you push it onto the stack
-and start the <code>what</code> string with the character '<code>&gt;</code>'.
-(In that case,
-<code>lua_getinfo</code> pops the function from the top of the stack.)
-For instance, to know in which line a function <code>f</code> was defined,
-you can write the following code:
-
-<pre>
- lua_Debug ar;
- lua_getglobal(L, "f"); /* get global 'f' */
- lua_getinfo(L, "&gt;S", &amp;ar);
- printf("%d\n", ar.linedefined);
-</pre>
-
-<p>
-Each character in the string <code>what</code>
-selects some fields of the structure <code>ar</code> to be filled or
-a value to be pushed on the stack:
-
-<ul>
-
-<li><b>'<code>n</code>': </b> fills in the field <code>name</code> and <code>namewhat</code>;
-</li>
-
-<li><b>'<code>S</code>': </b>
-fills in the fields <code>source</code>, <code>short_src</code>,
-<code>linedefined</code>, <code>lastlinedefined</code>, and <code>what</code>;
-</li>
-
-<li><b>'<code>l</code>': </b> fills in the field <code>currentline</code>;
-</li>
-
-<li><b>'<code>t</code>': </b> fills in the field <code>istailcall</code>;
-</li>
-
-<li><b>'<code>u</code>': </b> fills in the fields
-<code>nups</code>, <code>nparams</code>, and <code>isvararg</code>;
-</li>
-
-<li><b>'<code>f</code>': </b>
-pushes onto the stack the function that is
-running at the given level;
-</li>
-
-<li><b>'<code>L</code>': </b>
-pushes onto the stack a table whose indices are the
-numbers of the lines that are valid on the function.
-(A <em>valid line</em> is a line with some associated code,
-that is, a line where you can put a break point.
-Non-valid lines include empty lines and comments.)
-
-
-<p>
-If this option is given together with option '<code>f</code>',
-its table is pushed after the function.
-</li>
-
-</ul>
-
-<p>
-This function returns 0 on error
-(for instance, an invalid option in <code>what</code>).
-
-
-
-
-
-<hr><h3><a name="lua_getlocal"><code>lua_getlocal</code></a></h3><p>
-<span class="apii">[-0, +(0|1), &ndash;]</span>
-<pre>const char *lua_getlocal (lua_State *L, const lua_Debug *ar, int n);</pre>
-
-<p>
-Gets information about a local variable of
-a given activation record or a given function.
-
-
-<p>
-In the first case,
-the parameter <code>ar</code> must be a valid activation record that was
-filled by a previous call to <a href="#lua_getstack"><code>lua_getstack</code></a> or
-given as argument to a hook (see <a href="#lua_Hook"><code>lua_Hook</code></a>).
-The index <code>n</code> selects which local variable to inspect;
-see <a href="#pdf-debug.getlocal"><code>debug.getlocal</code></a> for details about variable indices
-and names.
-
-
-<p>
-<a href="#lua_getlocal"><code>lua_getlocal</code></a> pushes the variable's value onto the stack
-and returns its name.
-
-
-<p>
-In the second case, <code>ar</code> must be <code>NULL</code> and the function
-to be inspected must be at the top of the stack.
-In this case, only parameters of Lua functions are visible
-(as there is no information about what variables are active)
-and no values are pushed onto the stack.
-
-
-<p>
-Returns <code>NULL</code> (and pushes nothing)
-when the index is greater than
-the number of active local variables.
-
-
-
-
-
-<hr><h3><a name="lua_getstack"><code>lua_getstack</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>int lua_getstack (lua_State *L, int level, lua_Debug *ar);</pre>
-
-<p>
-Gets information about the interpreter runtime stack.
-
-
-<p>
-This function fills parts of a <a href="#lua_Debug"><code>lua_Debug</code></a> structure with
-an identification of the <em>activation record</em>
-of the function executing at a given level.
-Level&nbsp;0 is the current running function,
-whereas level <em>n+1</em> is the function that has called level <em>n</em>
-(except for tail calls, which do not count on the stack).
-When there are no errors, <a href="#lua_getstack"><code>lua_getstack</code></a> returns 1;
-when called with a level greater than the stack depth,
-it returns 0.
-
-
-
-
-
-<hr><h3><a name="lua_getupvalue"><code>lua_getupvalue</code></a></h3><p>
-<span class="apii">[-0, +(0|1), &ndash;]</span>
-<pre>const char *lua_getupvalue (lua_State *L, int funcindex, int n);</pre>
-
-<p>
-Gets information about the <code>n</code>-th upvalue
-of the closure at index <code>funcindex</code>.
-It pushes the upvalue's value onto the stack
-and returns its name.
-Returns <code>NULL</code> (and pushes nothing)
-when the index <code>n</code> is greater than the number of upvalues.
-
-
-<p>
-For C&nbsp;functions, this function uses the empty string <code>""</code>
-as a name for all upvalues.
-(For Lua functions,
-upvalues are the external local variables that the function uses,
-and that are consequently included in its closure.)
-
-
-<p>
-Upvalues have no particular order,
-as they are active through the whole function.
-They are numbered in an arbitrary order.
-
-
-
-
-
-<hr><h3><a name="lua_Hook"><code>lua_Hook</code></a></h3>
-<pre>typedef void (*lua_Hook) (lua_State *L, lua_Debug *ar);</pre>
-
-<p>
-Type for debugging hook functions.
-
-
-<p>
-Whenever a hook is called, its <code>ar</code> argument has its field
-<code>event</code> set to the specific event that triggered the hook.
-Lua identifies these events with the following constants:
-<a name="pdf-LUA_HOOKCALL"><code>LUA_HOOKCALL</code></a>, <a name="pdf-LUA_HOOKRET"><code>LUA_HOOKRET</code></a>,
-<a name="pdf-LUA_HOOKTAILCALL"><code>LUA_HOOKTAILCALL</code></a>, <a name="pdf-LUA_HOOKLINE"><code>LUA_HOOKLINE</code></a>,
-and <a name="pdf-LUA_HOOKCOUNT"><code>LUA_HOOKCOUNT</code></a>.
-Moreover, for line events, the field <code>currentline</code> is also set.
-To get the value of any other field in <code>ar</code>,
-the hook must call <a href="#lua_getinfo"><code>lua_getinfo</code></a>.
-
-
-<p>
-For call events, <code>event</code> can be <code>LUA_HOOKCALL</code>,
-the normal value, or <code>LUA_HOOKTAILCALL</code>, for a tail call;
-in this case, there will be no corresponding return event.
-
-
-<p>
-While Lua is running a hook, it disables other calls to hooks.
-Therefore, if a hook calls back Lua to execute a function or a chunk,
-this execution occurs without any calls to hooks.
-
-
-<p>
-Hook functions cannot have continuations,
-that is, they cannot call <a href="#lua_yieldk"><code>lua_yieldk</code></a>,
-<a href="#lua_pcallk"><code>lua_pcallk</code></a>, or <a href="#lua_callk"><code>lua_callk</code></a> with a non-null <code>k</code>.
-
-
-<p>
-Hook functions can yield under the following conditions:
-Only count and line events can yield;
-to yield, a hook function must finish its execution
-calling <a href="#lua_yield"><code>lua_yield</code></a> with <code>nresults</code> equal to zero
-(that is, with no values).
-
-
-
-
-
-<hr><h3><a name="lua_sethook"><code>lua_sethook</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>void lua_sethook (lua_State *L, lua_Hook f, int mask, int count);</pre>
-
-<p>
-Sets the debugging hook function.
-
-
-<p>
-Argument <code>f</code> is the hook function.
-<code>mask</code> specifies on which events the hook will be called:
-it is formed by a bitwise OR of the constants
-<a name="pdf-LUA_MASKCALL"><code>LUA_MASKCALL</code></a>,
-<a name="pdf-LUA_MASKRET"><code>LUA_MASKRET</code></a>,
-<a name="pdf-LUA_MASKLINE"><code>LUA_MASKLINE</code></a>,
-and <a name="pdf-LUA_MASKCOUNT"><code>LUA_MASKCOUNT</code></a>.
-The <code>count</code> argument is only meaningful when the mask
-includes <code>LUA_MASKCOUNT</code>.
-For each event, the hook is called as explained below:
-
-<ul>
-
-<li><b>The call hook: </b> is called when the interpreter calls a function.
-The hook is called just after Lua enters the new function,
-before the function gets its arguments.
-</li>
-
-<li><b>The return hook: </b> is called when the interpreter returns from a function.
-The hook is called just before Lua leaves the function.
-There is no standard way to access the values
-to be returned by the function.
-</li>
-
-<li><b>The line hook: </b> is called when the interpreter is about to
-start the execution of a new line of code,
-or when it jumps back in the code (even to the same line).
-(This event only happens while Lua is executing a Lua function.)
-</li>
-
-<li><b>The count hook: </b> is called after the interpreter executes every
-<code>count</code> instructions.
-(This event only happens while Lua is executing a Lua function.)
-</li>
-
-</ul>
-
-<p>
-A hook is disabled by setting <code>mask</code> to zero.
-
-
-
-
-
-<hr><h3><a name="lua_setlocal"><code>lua_setlocal</code></a></h3><p>
-<span class="apii">[-(0|1), +0, &ndash;]</span>
-<pre>const char *lua_setlocal (lua_State *L, const lua_Debug *ar, int n);</pre>
-
-<p>
-Sets the value of a local variable of a given activation record.
-It assigns the value at the top of the stack
-to the variable and returns its name.
-It also pops the value from the stack.
-
-
-<p>
-Returns <code>NULL</code> (and pops nothing)
-when the index is greater than
-the number of active local variables.
-
-
-<p>
-Parameters <code>ar</code> and <code>n</code> are as in function <a href="#lua_getlocal"><code>lua_getlocal</code></a>.
-
-
-
-
-
-<hr><h3><a name="lua_setupvalue"><code>lua_setupvalue</code></a></h3><p>
-<span class="apii">[-(0|1), +0, &ndash;]</span>
-<pre>const char *lua_setupvalue (lua_State *L, int funcindex, int n);</pre>
-
-<p>
-Sets the value of a closure's upvalue.
-It assigns the value at the top of the stack
-to the upvalue and returns its name.
-It also pops the value from the stack.
-
-
-<p>
-Returns <code>NULL</code> (and pops nothing)
-when the index <code>n</code> is greater than the number of upvalues.
-
-
-<p>
-Parameters <code>funcindex</code> and <code>n</code> are as in function <a href="#lua_getupvalue"><code>lua_getupvalue</code></a>.
-
-
-
-
-
-<hr><h3><a name="lua_upvalueid"><code>lua_upvalueid</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>void *lua_upvalueid (lua_State *L, int funcindex, int n);</pre>
-
-<p>
-Returns a unique identifier for the upvalue numbered <code>n</code>
-from the closure at index <code>funcindex</code>.
-
-
-<p>
-These unique identifiers allow a program to check whether different
-closures share upvalues.
-Lua closures that share an upvalue
-(that is, that access a same external local variable)
-will return identical ids for those upvalue indices.
-
-
-<p>
-Parameters <code>funcindex</code> and <code>n</code> are as in function <a href="#lua_getupvalue"><code>lua_getupvalue</code></a>,
-but <code>n</code> cannot be greater than the number of upvalues.
-
-
-
-
-
-<hr><h3><a name="lua_upvaluejoin"><code>lua_upvaluejoin</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>void lua_upvaluejoin (lua_State *L, int funcindex1, int n1,
- int funcindex2, int n2);</pre>
-
-<p>
-Make the <code>n1</code>-th upvalue of the Lua closure at index <code>funcindex1</code>
-refer to the <code>n2</code>-th upvalue of the Lua closure at index <code>funcindex2</code>.
-
-
-
-
-
-
-
-<h1>5 &ndash; <a name="5">The Auxiliary Library</a></h1>
-
-<p>
-
-The <em>auxiliary library</em> provides several convenient functions
-to interface C with Lua.
-While the basic API provides the primitive functions for all
-interactions between C and Lua,
-the auxiliary library provides higher-level functions for some
-common tasks.
-
-
-<p>
-All functions and types from the auxiliary library
-are defined in header file <code>lauxlib.h</code> and
-have a prefix <code>luaL_</code>.
-
-
-<p>
-All functions in the auxiliary library are built on
-top of the basic API,
-and so they provide nothing that cannot be done with that API.
-Nevertheless, the use of the auxiliary library ensures
-more consistency to your code.
-
-
-<p>
-Several functions in the auxiliary library use internally some
-extra stack slots.
-When a function in the auxiliary library uses less than five slots,
-it does not check the stack size;
-it simply assumes that there are enough slots.
-
-
-<p>
-Several functions in the auxiliary library are used to
-check C&nbsp;function arguments.
-Because the error message is formatted for arguments
-(e.g., "<code>bad argument #1</code>"),
-you should not use these functions for other stack values.
-
-
-<p>
-Functions called <code>luaL_check*</code>
-always raise an error if the check is not satisfied.
-
-
-
-<h2>5.1 &ndash; <a name="5.1">Functions and Types</a></h2>
-
-<p>
-Here we list all functions and types from the auxiliary library
-in alphabetical order.
-
-
-
-<hr><h3><a name="luaL_addchar"><code>luaL_addchar</code></a></h3><p>
-<span class="apii">[-?, +?, <em>m</em>]</span>
-<pre>void luaL_addchar (luaL_Buffer *B, char c);</pre>
-
-<p>
-Adds the byte <code>c</code> to the buffer <code>B</code>
-(see <a href="#luaL_Buffer"><code>luaL_Buffer</code></a>).
-
-
-
-
-
-<hr><h3><a name="luaL_addlstring"><code>luaL_addlstring</code></a></h3><p>
-<span class="apii">[-?, +?, <em>m</em>]</span>
-<pre>void luaL_addlstring (luaL_Buffer *B, const char *s, size_t l);</pre>
-
-<p>
-Adds the string pointed to by <code>s</code> with length <code>l</code> to
-the buffer <code>B</code>
-(see <a href="#luaL_Buffer"><code>luaL_Buffer</code></a>).
-The string can contain embedded zeros.
-
-
-
-
-
-<hr><h3><a name="luaL_addsize"><code>luaL_addsize</code></a></h3><p>
-<span class="apii">[-?, +?, &ndash;]</span>
-<pre>void luaL_addsize (luaL_Buffer *B, size_t n);</pre>
-
-<p>
-Adds to the buffer <code>B</code> (see <a href="#luaL_Buffer"><code>luaL_Buffer</code></a>)
-a string of length <code>n</code> previously copied to the
-buffer area (see <a href="#luaL_prepbuffer"><code>luaL_prepbuffer</code></a>).
-
-
-
-
-
-<hr><h3><a name="luaL_addstring"><code>luaL_addstring</code></a></h3><p>
-<span class="apii">[-?, +?, <em>m</em>]</span>
-<pre>void luaL_addstring (luaL_Buffer *B, const char *s);</pre>
-
-<p>
-Adds the zero-terminated string pointed to by <code>s</code>
-to the buffer <code>B</code>
-(see <a href="#luaL_Buffer"><code>luaL_Buffer</code></a>).
-
-
-
-
-
-<hr><h3><a name="luaL_addvalue"><code>luaL_addvalue</code></a></h3><p>
-<span class="apii">[-1, +?, <em>m</em>]</span>
-<pre>void luaL_addvalue (luaL_Buffer *B);</pre>
-
-<p>
-Adds the value at the top of the stack
-to the buffer <code>B</code>
-(see <a href="#luaL_Buffer"><code>luaL_Buffer</code></a>).
-Pops the value.
-
-
-<p>
-This is the only function on string buffers that can (and must)
-be called with an extra element on the stack,
-which is the value to be added to the buffer.
-
-
-
-
-
-<hr><h3><a name="luaL_argcheck"><code>luaL_argcheck</code></a></h3><p>
-<span class="apii">[-0, +0, <em>v</em>]</span>
-<pre>void luaL_argcheck (lua_State *L,
- int cond,
- int arg,
- const char *extramsg);</pre>
-
-<p>
-Checks whether <code>cond</code> is true.
-If it is not, raises an error with a standard message (see <a href="#luaL_argerror"><code>luaL_argerror</code></a>).
-
-
-
-
-
-<hr><h3><a name="luaL_argerror"><code>luaL_argerror</code></a></h3><p>
-<span class="apii">[-0, +0, <em>v</em>]</span>
-<pre>int luaL_argerror (lua_State *L, int arg, const char *extramsg);</pre>
-
-<p>
-Raises an error reporting a problem with argument <code>arg</code>
-of the C&nbsp;function that called it,
-using a standard message
-that includes <code>extramsg</code> as a comment:
-
-<pre>
- bad argument #<em>arg</em> to '<em>funcname</em>' (<em>extramsg</em>)
-</pre><p>
-This function never returns.
-
-
-
-
-
-<hr><h3><a name="luaL_Buffer"><code>luaL_Buffer</code></a></h3>
-<pre>typedef struct luaL_Buffer luaL_Buffer;</pre>
-
-<p>
-Type for a <em>string buffer</em>.
-
-
-<p>
-A string buffer allows C&nbsp;code to build Lua strings piecemeal.
-Its pattern of use is as follows:
-
-<ul>
-
-<li>First declare a variable <code>b</code> of type <a href="#luaL_Buffer"><code>luaL_Buffer</code></a>.</li>
-
-<li>Then initialize it with a call <code>luaL_buffinit(L, &amp;b)</code>.</li>
-
-<li>
-Then add string pieces to the buffer calling any of
-the <code>luaL_add*</code> functions.
-</li>
-
-<li>
-Finish by calling <code>luaL_pushresult(&amp;b)</code>.
-This call leaves the final string on the top of the stack.
-</li>
-
-</ul>
-
-<p>
-If you know beforehand the total size of the resulting string,
-you can use the buffer like this:
-
-<ul>
-
-<li>First declare a variable <code>b</code> of type <a href="#luaL_Buffer"><code>luaL_Buffer</code></a>.</li>
-
-<li>Then initialize it and preallocate a space of
-size <code>sz</code> with a call <code>luaL_buffinitsize(L, &amp;b, sz)</code>.</li>
-
-<li>Then copy the string into that space.</li>
-
-<li>
-Finish by calling <code>luaL_pushresultsize(&amp;b, sz)</code>,
-where <code>sz</code> is the total size of the resulting string
-copied into that space.
-</li>
-
-</ul>
-
-<p>
-During its normal operation,
-a string buffer uses a variable number of stack slots.
-So, while using a buffer, you cannot assume that you know where
-the top of the stack is.
-You can use the stack between successive calls to buffer operations
-as long as that use is balanced;
-that is,
-when you call a buffer operation,
-the stack is at the same level
-it was immediately after the previous buffer operation.
-(The only exception to this rule is <a href="#luaL_addvalue"><code>luaL_addvalue</code></a>.)
-After calling <a href="#luaL_pushresult"><code>luaL_pushresult</code></a> the stack is back to its
-level when the buffer was initialized,
-plus the final string on its top.
-
-
-
-
-
-<hr><h3><a name="luaL_buffinit"><code>luaL_buffinit</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>void luaL_buffinit (lua_State *L, luaL_Buffer *B);</pre>
-
-<p>
-Initializes a buffer <code>B</code>.
-This function does not allocate any space;
-the buffer must be declared as a variable
-(see <a href="#luaL_Buffer"><code>luaL_Buffer</code></a>).
-
-
-
-
-
-<hr><h3><a name="luaL_buffinitsize"><code>luaL_buffinitsize</code></a></h3><p>
-<span class="apii">[-?, +?, <em>m</em>]</span>
-<pre>char *luaL_buffinitsize (lua_State *L, luaL_Buffer *B, size_t sz);</pre>
-
-<p>
-Equivalent to the sequence
-<a href="#luaL_buffinit"><code>luaL_buffinit</code></a>, <a href="#luaL_prepbuffsize"><code>luaL_prepbuffsize</code></a>.
-
-
-
-
-
-<hr><h3><a name="luaL_callmeta"><code>luaL_callmeta</code></a></h3><p>
-<span class="apii">[-0, +(0|1), <em>e</em>]</span>
-<pre>int luaL_callmeta (lua_State *L, int obj, const char *e);</pre>
-
-<p>
-Calls a metamethod.
-
-
-<p>
-If the object at index <code>obj</code> has a metatable and this
-metatable has a field <code>e</code>,
-this function calls this field passing the object as its only argument.
-In this case this function returns true and pushes onto the
-stack the value returned by the call.
-If there is no metatable or no metamethod,
-this function returns false (without pushing any value on the stack).
-
-
-
-
-
-<hr><h3><a name="luaL_checkany"><code>luaL_checkany</code></a></h3><p>
-<span class="apii">[-0, +0, <em>v</em>]</span>
-<pre>void luaL_checkany (lua_State *L, int arg);</pre>
-
-<p>
-Checks whether the function has an argument
-of any type (including <b>nil</b>) at position <code>arg</code>.
-
-
-
-
-
-<hr><h3><a name="luaL_checkinteger"><code>luaL_checkinteger</code></a></h3><p>
-<span class="apii">[-0, +0, <em>v</em>]</span>
-<pre>lua_Integer luaL_checkinteger (lua_State *L, int arg);</pre>
-
-<p>
-Checks whether the function argument <code>arg</code> is an integer
-(or can be converted to an integer)
-and returns this integer cast to a <a href="#lua_Integer"><code>lua_Integer</code></a>.
-
-
-
-
-
-<hr><h3><a name="luaL_checklstring"><code>luaL_checklstring</code></a></h3><p>
-<span class="apii">[-0, +0, <em>v</em>]</span>
-<pre>const char *luaL_checklstring (lua_State *L, int arg, size_t *l);</pre>
-
-<p>
-Checks whether the function argument <code>arg</code> is a string
-and returns this string;
-if <code>l</code> is not <code>NULL</code> fills <code>*l</code>
-with the string's length.
-
-
-<p>
-This function uses <a href="#lua_tolstring"><code>lua_tolstring</code></a> to get its result,
-so all conversions and caveats of that function apply here.
-
-
-
-
-
-<hr><h3><a name="luaL_checknumber"><code>luaL_checknumber</code></a></h3><p>
-<span class="apii">[-0, +0, <em>v</em>]</span>
-<pre>lua_Number luaL_checknumber (lua_State *L, int arg);</pre>
-
-<p>
-Checks whether the function argument <code>arg</code> is a number
-and returns this number.
-
-
-
-
-
-<hr><h3><a name="luaL_checkoption"><code>luaL_checkoption</code></a></h3><p>
-<span class="apii">[-0, +0, <em>v</em>]</span>
-<pre>int luaL_checkoption (lua_State *L,
- int arg,
- const char *def,
- const char *const lst[]);</pre>
-
-<p>
-Checks whether the function argument <code>arg</code> is a string and
-searches for this string in the array <code>lst</code>
-(which must be NULL-terminated).
-Returns the index in the array where the string was found.
-Raises an error if the argument is not a string or
-if the string cannot be found.
-
-
-<p>
-If <code>def</code> is not <code>NULL</code>,
-the function uses <code>def</code> as a default value when
-there is no argument <code>arg</code> or when this argument is <b>nil</b>.
-
-
-<p>
-This is a useful function for mapping strings to C&nbsp;enums.
-(The usual convention in Lua libraries is
-to use strings instead of numbers to select options.)
-
-
-
-
-
-<hr><h3><a name="luaL_checkstack"><code>luaL_checkstack</code></a></h3><p>
-<span class="apii">[-0, +0, <em>v</em>]</span>
-<pre>void luaL_checkstack (lua_State *L, int sz, const char *msg);</pre>
-
-<p>
-Grows the stack size to <code>top + sz</code> elements,
-raising an error if the stack cannot grow to that size.
-<code>msg</code> is an additional text to go into the error message
-(or <code>NULL</code> for no additional text).
-
-
-
-
-
-<hr><h3><a name="luaL_checkstring"><code>luaL_checkstring</code></a></h3><p>
-<span class="apii">[-0, +0, <em>v</em>]</span>
-<pre>const char *luaL_checkstring (lua_State *L, int arg);</pre>
-
-<p>
-Checks whether the function argument <code>arg</code> is a string
-and returns this string.
-
-
-<p>
-This function uses <a href="#lua_tolstring"><code>lua_tolstring</code></a> to get its result,
-so all conversions and caveats of that function apply here.
-
-
-
-
-
-<hr><h3><a name="luaL_checktype"><code>luaL_checktype</code></a></h3><p>
-<span class="apii">[-0, +0, <em>v</em>]</span>
-<pre>void luaL_checktype (lua_State *L, int arg, int t);</pre>
-
-<p>
-Checks whether the function argument <code>arg</code> has type <code>t</code>.
-See <a href="#lua_type"><code>lua_type</code></a> for the encoding of types for <code>t</code>.
-
-
-
-
-
-<hr><h3><a name="luaL_checkudata"><code>luaL_checkudata</code></a></h3><p>
-<span class="apii">[-0, +0, <em>v</em>]</span>
-<pre>void *luaL_checkudata (lua_State *L, int arg, const char *tname);</pre>
-
-<p>
-Checks whether the function argument <code>arg</code> is a userdata
-of the type <code>tname</code> (see <a href="#luaL_newmetatable"><code>luaL_newmetatable</code></a>) and
-returns the userdata address (see <a href="#lua_touserdata"><code>lua_touserdata</code></a>).
-
-
-
-
-
-<hr><h3><a name="luaL_checkversion"><code>luaL_checkversion</code></a></h3><p>
-<span class="apii">[-0, +0, <em>v</em>]</span>
-<pre>void luaL_checkversion (lua_State *L);</pre>
-
-<p>
-Checks whether the core running the call,
-the core that created the Lua state,
-and the code making the call are all using the same version of Lua.
-Also checks whether the core running the call
-and the core that created the Lua state
-are using the same address space.
-
-
-
-
-
-<hr><h3><a name="luaL_dofile"><code>luaL_dofile</code></a></h3><p>
-<span class="apii">[-0, +?, <em>e</em>]</span>
-<pre>int luaL_dofile (lua_State *L, const char *filename);</pre>
-
-<p>
-Loads and runs the given file.
-It is defined as the following macro:
-
-<pre>
- (luaL_loadfile(L, filename) || lua_pcall(L, 0, LUA_MULTRET, 0))
-</pre><p>
-It returns false if there are no errors
-or true in case of errors.
-
-
-
-
-
-<hr><h3><a name="luaL_dostring"><code>luaL_dostring</code></a></h3><p>
-<span class="apii">[-0, +?, &ndash;]</span>
-<pre>int luaL_dostring (lua_State *L, const char *str);</pre>
-
-<p>
-Loads and runs the given string.
-It is defined as the following macro:
-
-<pre>
- (luaL_loadstring(L, str) || lua_pcall(L, 0, LUA_MULTRET, 0))
-</pre><p>
-It returns false if there are no errors
-or true in case of errors.
-
-
-
-
-
-<hr><h3><a name="luaL_error"><code>luaL_error</code></a></h3><p>
-<span class="apii">[-0, +0, <em>v</em>]</span>
-<pre>int luaL_error (lua_State *L, const char *fmt, ...);</pre>
-
-<p>
-Raises an error.
-The error message format is given by <code>fmt</code>
-plus any extra arguments,
-following the same rules of <a href="#lua_pushfstring"><code>lua_pushfstring</code></a>.
-It also adds at the beginning of the message the file name and
-the line number where the error occurred,
-if this information is available.
-
-
-<p>
-This function never returns,
-but it is an idiom to use it in C&nbsp;functions
-as <code>return luaL_error(<em>args</em>)</code>.
-
-
-
-
-
-<hr><h3><a name="luaL_execresult"><code>luaL_execresult</code></a></h3><p>
-<span class="apii">[-0, +3, <em>m</em>]</span>
-<pre>int luaL_execresult (lua_State *L, int stat);</pre>
-
-<p>
-This function produces the return values for
-process-related functions in the standard library
-(<a href="#pdf-os.execute"><code>os.execute</code></a> and <a href="#pdf-io.close"><code>io.close</code></a>).
-
-
-
-
-
-<hr><h3><a name="luaL_fileresult"><code>luaL_fileresult</code></a></h3><p>
-<span class="apii">[-0, +(1|3), <em>m</em>]</span>
-<pre>int luaL_fileresult (lua_State *L, int stat, const char *fname);</pre>
-
-<p>
-This function produces the return values for
-file-related functions in the standard library
-(<a href="#pdf-io.open"><code>io.open</code></a>, <a href="#pdf-os.rename"><code>os.rename</code></a>, <a href="#pdf-file:seek"><code>file:seek</code></a>, etc.).
-
-
-
-
-
-<hr><h3><a name="luaL_getmetafield"><code>luaL_getmetafield</code></a></h3><p>
-<span class="apii">[-0, +(0|1), <em>m</em>]</span>
-<pre>int luaL_getmetafield (lua_State *L, int obj, const char *e);</pre>
-
-<p>
-Pushes onto the stack the field <code>e</code> from the metatable
-of the object at index <code>obj</code> and returns the type of the pushed value.
-If the object does not have a metatable,
-or if the metatable does not have this field,
-pushes nothing and returns <code>LUA_TNIL</code>.
-
-
-
-
-
-<hr><h3><a name="luaL_getmetatable"><code>luaL_getmetatable</code></a></h3><p>
-<span class="apii">[-0, +1, <em>m</em>]</span>
-<pre>int luaL_getmetatable (lua_State *L, const char *tname);</pre>
-
-<p>
-Pushes onto the stack the metatable associated with name <code>tname</code>
-in the registry (see <a href="#luaL_newmetatable"><code>luaL_newmetatable</code></a>)
-(<b>nil</b> if there is no metatable associated with that name).
-Returns the type of the pushed value.
-
-
-
-
-
-<hr><h3><a name="luaL_getsubtable"><code>luaL_getsubtable</code></a></h3><p>
-<span class="apii">[-0, +1, <em>e</em>]</span>
-<pre>int luaL_getsubtable (lua_State *L, int idx, const char *fname);</pre>
-
-<p>
-Ensures that the value <code>t[fname]</code>,
-where <code>t</code> is the value at index <code>idx</code>,
-is a table,
-and pushes that table onto the stack.
-Returns true if it finds a previous table there
-and false if it creates a new table.
-
-
-
-
-
-<hr><h3><a name="luaL_gsub"><code>luaL_gsub</code></a></h3><p>
-<span class="apii">[-0, +1, <em>m</em>]</span>
-<pre>const char *luaL_gsub (lua_State *L,
- const char *s,
- const char *p,
- const char *r);</pre>
-
-<p>
-Creates a copy of string <code>s</code> by replacing
-any occurrence of the string <code>p</code>
-with the string <code>r</code>.
-Pushes the resulting string on the stack and returns it.
-
-
-
-
-
-<hr><h3><a name="luaL_len"><code>luaL_len</code></a></h3><p>
-<span class="apii">[-0, +0, <em>e</em>]</span>
-<pre>lua_Integer luaL_len (lua_State *L, int index);</pre>
-
-<p>
-Returns the "length" of the value at the given index
-as a number;
-it is equivalent to the '<code>#</code>' operator in Lua (see <a href="#3.4.7">&sect;3.4.7</a>).
-Raises an error if the result of the operation is not an integer.
-(This case only can happen through metamethods.)
-
-
-
-
-
-<hr><h3><a name="luaL_loadbuffer"><code>luaL_loadbuffer</code></a></h3><p>
-<span class="apii">[-0, +1, &ndash;]</span>
-<pre>int luaL_loadbuffer (lua_State *L,
- const char *buff,
- size_t sz,
- const char *name);</pre>
-
-<p>
-Equivalent to <a href="#luaL_loadbufferx"><code>luaL_loadbufferx</code></a> with <code>mode</code> equal to <code>NULL</code>.
-
-
-
-
-
-<hr><h3><a name="luaL_loadbufferx"><code>luaL_loadbufferx</code></a></h3><p>
-<span class="apii">[-0, +1, &ndash;]</span>
-<pre>int luaL_loadbufferx (lua_State *L,
- const char *buff,
- size_t sz,
- const char *name,
- const char *mode);</pre>
-
-<p>
-Loads a buffer as a Lua chunk.
-This function uses <a href="#lua_load"><code>lua_load</code></a> to load the chunk in the
-buffer pointed to by <code>buff</code> with size <code>sz</code>.
-
-
-<p>
-This function returns the same results as <a href="#lua_load"><code>lua_load</code></a>.
-<code>name</code> is the chunk name,
-used for debug information and error messages.
-The string <code>mode</code> works as in function <a href="#lua_load"><code>lua_load</code></a>.
-
-
-
-
-
-<hr><h3><a name="luaL_loadfile"><code>luaL_loadfile</code></a></h3><p>
-<span class="apii">[-0, +1, <em>m</em>]</span>
-<pre>int luaL_loadfile (lua_State *L, const char *filename);</pre>
-
-<p>
-Equivalent to <a href="#luaL_loadfilex"><code>luaL_loadfilex</code></a> with <code>mode</code> equal to <code>NULL</code>.
-
-
-
-
-
-<hr><h3><a name="luaL_loadfilex"><code>luaL_loadfilex</code></a></h3><p>
-<span class="apii">[-0, +1, <em>m</em>]</span>
-<pre>int luaL_loadfilex (lua_State *L, const char *filename,
- const char *mode);</pre>
-
-<p>
-Loads a file as a Lua chunk.
-This function uses <a href="#lua_load"><code>lua_load</code></a> to load the chunk in the file
-named <code>filename</code>.
-If <code>filename</code> is <code>NULL</code>,
-then it loads from the standard input.
-The first line in the file is ignored if it starts with a <code>#</code>.
-
-
-<p>
-The string <code>mode</code> works as in function <a href="#lua_load"><code>lua_load</code></a>.
-
-
-<p>
-This function returns the same results as <a href="#lua_load"><code>lua_load</code></a>,
-but it has an extra error code <a name="pdf-LUA_ERRFILE"><code>LUA_ERRFILE</code></a>
-for file-related errors
-(e.g., it cannot open or read the file).
-
-
-<p>
-As <a href="#lua_load"><code>lua_load</code></a>, this function only loads the chunk;
-it does not run it.
-
-
-
-
-
-<hr><h3><a name="luaL_loadstring"><code>luaL_loadstring</code></a></h3><p>
-<span class="apii">[-0, +1, &ndash;]</span>
-<pre>int luaL_loadstring (lua_State *L, const char *s);</pre>
-
-<p>
-Loads a string as a Lua chunk.
-This function uses <a href="#lua_load"><code>lua_load</code></a> to load the chunk in
-the zero-terminated string <code>s</code>.
-
-
-<p>
-This function returns the same results as <a href="#lua_load"><code>lua_load</code></a>.
-
-
-<p>
-Also as <a href="#lua_load"><code>lua_load</code></a>, this function only loads the chunk;
-it does not run it.
-
-
-
-
-
-<hr><h3><a name="luaL_newlib"><code>luaL_newlib</code></a></h3><p>
-<span class="apii">[-0, +1, <em>m</em>]</span>
-<pre>void luaL_newlib (lua_State *L, const luaL_Reg l[]);</pre>
-
-<p>
-Creates a new table and registers there
-the functions in list <code>l</code>.
-
-
-<p>
-It is implemented as the following macro:
-
-<pre>
- (luaL_newlibtable(L,l), luaL_setfuncs(L,l,0))
-</pre><p>
-The array <code>l</code> must be the actual array,
-not a pointer to it.
-
-
-
-
-
-<hr><h3><a name="luaL_newlibtable"><code>luaL_newlibtable</code></a></h3><p>
-<span class="apii">[-0, +1, <em>m</em>]</span>
-<pre>void luaL_newlibtable (lua_State *L, const luaL_Reg l[]);</pre>
-
-<p>
-Creates a new table with a size optimized
-to store all entries in the array <code>l</code>
-(but does not actually store them).
-It is intended to be used in conjunction with <a href="#luaL_setfuncs"><code>luaL_setfuncs</code></a>
-(see <a href="#luaL_newlib"><code>luaL_newlib</code></a>).
-
-
-<p>
-It is implemented as a macro.
-The array <code>l</code> must be the actual array,
-not a pointer to it.
-
-
-
-
-
-<hr><h3><a name="luaL_newmetatable"><code>luaL_newmetatable</code></a></h3><p>
-<span class="apii">[-0, +1, <em>m</em>]</span>
-<pre>int luaL_newmetatable (lua_State *L, const char *tname);</pre>
-
-<p>
-If the registry already has the key <code>tname</code>,
-returns 0.
-Otherwise,
-creates a new table to be used as a metatable for userdata,
-adds to this new table the pair <code>__name = tname</code>,
-adds to the registry the pair <code>[tname] = new table</code>,
-and returns 1.
-(The entry <code>__name</code> is used by some error-reporting functions.)
-
-
-<p>
-In both cases pushes onto the stack the final value associated
-with <code>tname</code> in the registry.
-
-
-
-
-
-<hr><h3><a name="luaL_newstate"><code>luaL_newstate</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>lua_State *luaL_newstate (void);</pre>
-
-<p>
-Creates a new Lua state.
-It calls <a href="#lua_newstate"><code>lua_newstate</code></a> with an
-allocator based on the standard&nbsp;C <code>realloc</code> function
-and then sets a panic function (see <a href="#4.6">&sect;4.6</a>) that prints
-an error message to the standard error output in case of fatal
-errors.
-
-
-<p>
-Returns the new state,
-or <code>NULL</code> if there is a memory allocation error.
-
-
-
-
-
-<hr><h3><a name="luaL_openlibs"><code>luaL_openlibs</code></a></h3><p>
-<span class="apii">[-0, +0, <em>e</em>]</span>
-<pre>void luaL_openlibs (lua_State *L);</pre>
-
-<p>
-Opens all standard Lua libraries into the given state.
-
-
-
-
-
-<hr><h3><a name="luaL_opt"><code>luaL_opt</code></a></h3><p>
-<span class="apii">[-0, +0, <em>e</em>]</span>
-<pre>T luaL_opt (L, func, arg, dflt);</pre>
-
-<p>
-This macro is defined as follows:
-
-<pre>
- (lua_isnoneornil(L,(arg)) ? (dflt) : func(L,(arg)))
-</pre><p>
-In words, if the argument <code>arg</code> is nil or absent,
-the macro results in the default <code>dflt</code>.
-Otherwise, it results in the result of calling <code>func</code>
-with the state <code>L</code> and the argument index <code>arg</code> as
-arguments.
-Note that it evaluates the expression <code>dflt</code> only if needed.
-
-
-
-
-
-<hr><h3><a name="luaL_optinteger"><code>luaL_optinteger</code></a></h3><p>
-<span class="apii">[-0, +0, <em>v</em>]</span>
-<pre>lua_Integer luaL_optinteger (lua_State *L,
- int arg,
- lua_Integer d);</pre>
-
-<p>
-If the function argument <code>arg</code> is an integer
-(or convertible to an integer),
-returns this integer.
-If this argument is absent or is <b>nil</b>,
-returns <code>d</code>.
-Otherwise, raises an error.
-
-
-
-
-
-<hr><h3><a name="luaL_optlstring"><code>luaL_optlstring</code></a></h3><p>
-<span class="apii">[-0, +0, <em>v</em>]</span>
-<pre>const char *luaL_optlstring (lua_State *L,
- int arg,
- const char *d,
- size_t *l);</pre>
-
-<p>
-If the function argument <code>arg</code> is a string,
-returns this string.
-If this argument is absent or is <b>nil</b>,
-returns <code>d</code>.
-Otherwise, raises an error.
-
-
-<p>
-If <code>l</code> is not <code>NULL</code>,
-fills the position <code>*l</code> with the result's length.
-If the result is <code>NULL</code>
-(only possible when returning <code>d</code> and <code>d == NULL</code>),
-its length is considered zero.
-
-
-<p>
-This function uses <a href="#lua_tolstring"><code>lua_tolstring</code></a> to get its result,
-so all conversions and caveats of that function apply here.
-
-
-
-
-
-<hr><h3><a name="luaL_optnumber"><code>luaL_optnumber</code></a></h3><p>
-<span class="apii">[-0, +0, <em>v</em>]</span>
-<pre>lua_Number luaL_optnumber (lua_State *L, int arg, lua_Number d);</pre>
-
-<p>
-If the function argument <code>arg</code> is a number,
-returns this number.
-If this argument is absent or is <b>nil</b>,
-returns <code>d</code>.
-Otherwise, raises an error.
-
-
-
-
-
-<hr><h3><a name="luaL_optstring"><code>luaL_optstring</code></a></h3><p>
-<span class="apii">[-0, +0, <em>v</em>]</span>
-<pre>const char *luaL_optstring (lua_State *L,
- int arg,
- const char *d);</pre>
-
-<p>
-If the function argument <code>arg</code> is a string,
-returns this string.
-If this argument is absent or is <b>nil</b>,
-returns <code>d</code>.
-Otherwise, raises an error.
-
-
-
-
-
-<hr><h3><a name="luaL_prepbuffer"><code>luaL_prepbuffer</code></a></h3><p>
-<span class="apii">[-?, +?, <em>m</em>]</span>
-<pre>char *luaL_prepbuffer (luaL_Buffer *B);</pre>
-
-<p>
-Equivalent to <a href="#luaL_prepbuffsize"><code>luaL_prepbuffsize</code></a>
-with the predefined size <a name="pdf-LUAL_BUFFERSIZE"><code>LUAL_BUFFERSIZE</code></a>.
-
-
-
-
-
-<hr><h3><a name="luaL_prepbuffsize"><code>luaL_prepbuffsize</code></a></h3><p>
-<span class="apii">[-?, +?, <em>m</em>]</span>
-<pre>char *luaL_prepbuffsize (luaL_Buffer *B, size_t sz);</pre>
-
-<p>
-Returns an address to a space of size <code>sz</code>
-where you can copy a string to be added to buffer <code>B</code>
-(see <a href="#luaL_Buffer"><code>luaL_Buffer</code></a>).
-After copying the string into this space you must call
-<a href="#luaL_addsize"><code>luaL_addsize</code></a> with the size of the string to actually add
-it to the buffer.
-
-
-
-
-
-<hr><h3><a name="luaL_pushresult"><code>luaL_pushresult</code></a></h3><p>
-<span class="apii">[-?, +1, <em>m</em>]</span>
-<pre>void luaL_pushresult (luaL_Buffer *B);</pre>
-
-<p>
-Finishes the use of buffer <code>B</code> leaving the final string on
-the top of the stack.
-
-
-
-
-
-<hr><h3><a name="luaL_pushresultsize"><code>luaL_pushresultsize</code></a></h3><p>
-<span class="apii">[-?, +1, <em>m</em>]</span>
-<pre>void luaL_pushresultsize (luaL_Buffer *B, size_t sz);</pre>
-
-<p>
-Equivalent to the sequence <a href="#luaL_addsize"><code>luaL_addsize</code></a>, <a href="#luaL_pushresult"><code>luaL_pushresult</code></a>.
-
-
-
-
-
-<hr><h3><a name="luaL_ref"><code>luaL_ref</code></a></h3><p>
-<span class="apii">[-1, +0, <em>m</em>]</span>
-<pre>int luaL_ref (lua_State *L, int t);</pre>
-
-<p>
-Creates and returns a <em>reference</em>,
-in the table at index <code>t</code>,
-for the object at the top of the stack (and pops the object).
-
-
-<p>
-A reference is a unique integer key.
-As long as you do not manually add integer keys into table <code>t</code>,
-<a href="#luaL_ref"><code>luaL_ref</code></a> ensures the uniqueness of the key it returns.
-You can retrieve an object referred by reference <code>r</code>
-by calling <code>lua_rawgeti(L, t, r)</code>.
-Function <a href="#luaL_unref"><code>luaL_unref</code></a> frees a reference and its associated object.
-
-
-<p>
-If the object at the top of the stack is <b>nil</b>,
-<a href="#luaL_ref"><code>luaL_ref</code></a> returns the constant <a name="pdf-LUA_REFNIL"><code>LUA_REFNIL</code></a>.
-The constant <a name="pdf-LUA_NOREF"><code>LUA_NOREF</code></a> is guaranteed to be different
-from any reference returned by <a href="#luaL_ref"><code>luaL_ref</code></a>.
-
-
-
-
-
-<hr><h3><a name="luaL_Reg"><code>luaL_Reg</code></a></h3>
-<pre>typedef struct luaL_Reg {
- const char *name;
- lua_CFunction func;
-} luaL_Reg;</pre>
-
-<p>
-Type for arrays of functions to be registered by
-<a href="#luaL_setfuncs"><code>luaL_setfuncs</code></a>.
-<code>name</code> is the function name and <code>func</code> is a pointer to
-the function.
-Any array of <a href="#luaL_Reg"><code>luaL_Reg</code></a> must end with a sentinel entry
-in which both <code>name</code> and <code>func</code> are <code>NULL</code>.
-
-
-
-
-
-<hr><h3><a name="luaL_requiref"><code>luaL_requiref</code></a></h3><p>
-<span class="apii">[-0, +1, <em>e</em>]</span>
-<pre>void luaL_requiref (lua_State *L, const char *modname,
- lua_CFunction openf, int glb);</pre>
-
-<p>
-If <code>modname</code> is not already present in <a href="#pdf-package.loaded"><code>package.loaded</code></a>,
-calls function <code>openf</code> with string <code>modname</code> as an argument
-and sets the call result in <code>package.loaded[modname]</code>,
-as if that function has been called through <a href="#pdf-require"><code>require</code></a>.
-
-
-<p>
-If <code>glb</code> is true,
-also stores the module into global <code>modname</code>.
-
-
-<p>
-Leaves a copy of the module on the stack.
-
-
-
-
-
-<hr><h3><a name="luaL_setfuncs"><code>luaL_setfuncs</code></a></h3><p>
-<span class="apii">[-nup, +0, <em>m</em>]</span>
-<pre>void luaL_setfuncs (lua_State *L, const luaL_Reg *l, int nup);</pre>
-
-<p>
-Registers all functions in the array <code>l</code>
-(see <a href="#luaL_Reg"><code>luaL_Reg</code></a>) into the table on the top of the stack
-(below optional upvalues, see next).
-
-
-<p>
-When <code>nup</code> is not zero,
-all functions are created sharing <code>nup</code> upvalues,
-which must be previously pushed on the stack
-on top of the library table.
-These values are popped from the stack after the registration.
-
-
-
-
-
-<hr><h3><a name="luaL_setmetatable"><code>luaL_setmetatable</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>void luaL_setmetatable (lua_State *L, const char *tname);</pre>
-
-<p>
-Sets the metatable of the object at the top of the stack
-as the metatable associated with name <code>tname</code>
-in the registry (see <a href="#luaL_newmetatable"><code>luaL_newmetatable</code></a>).
-
-
-
-
-
-<hr><h3><a name="luaL_Stream"><code>luaL_Stream</code></a></h3>
-<pre>typedef struct luaL_Stream {
- FILE *f;
- lua_CFunction closef;
-} luaL_Stream;</pre>
-
-<p>
-The standard representation for file handles,
-which is used by the standard I/O library.
-
-
-<p>
-A file handle is implemented as a full userdata,
-with a metatable called <code>LUA_FILEHANDLE</code>
-(where <code>LUA_FILEHANDLE</code> is a macro with the actual metatable's name).
-The metatable is created by the I/O library
-(see <a href="#luaL_newmetatable"><code>luaL_newmetatable</code></a>).
-
-
-<p>
-This userdata must start with the structure <code>luaL_Stream</code>;
-it can contain other data after this initial structure.
-Field <code>f</code> points to the corresponding C stream
-(or it can be <code>NULL</code> to indicate an incompletely created handle).
-Field <code>closef</code> points to a Lua function
-that will be called to close the stream
-when the handle is closed or collected;
-this function receives the file handle as its sole argument and
-must return either <b>true</b> (in case of success)
-or <b>nil</b> plus an error message (in case of error).
-Once Lua calls this field,
-it changes the field value to <code>NULL</code>
-to signal that the handle is closed.
-
-
-
-
-
-<hr><h3><a name="luaL_testudata"><code>luaL_testudata</code></a></h3><p>
-<span class="apii">[-0, +0, <em>m</em>]</span>
-<pre>void *luaL_testudata (lua_State *L, int arg, const char *tname);</pre>
-
-<p>
-This function works like <a href="#luaL_checkudata"><code>luaL_checkudata</code></a>,
-except that, when the test fails,
-it returns <code>NULL</code> instead of raising an error.
-
-
-
-
-
-<hr><h3><a name="luaL_tolstring"><code>luaL_tolstring</code></a></h3><p>
-<span class="apii">[-0, +1, <em>e</em>]</span>
-<pre>const char *luaL_tolstring (lua_State *L, int idx, size_t *len);</pre>
-
-<p>
-Converts any Lua value at the given index to a C&nbsp;string
-in a reasonable format.
-The resulting string is pushed onto the stack and also
-returned by the function.
-If <code>len</code> is not <code>NULL</code>,
-the function also sets <code>*len</code> with the string length.
-
-
-<p>
-If the value has a metatable with a <code>__tostring</code> field,
-then <code>luaL_tolstring</code> calls the corresponding metamethod
-with the value as argument,
-and uses the result of the call as its result.
-
-
-
-
-
-<hr><h3><a name="luaL_traceback"><code>luaL_traceback</code></a></h3><p>
-<span class="apii">[-0, +1, <em>m</em>]</span>
-<pre>void luaL_traceback (lua_State *L, lua_State *L1, const char *msg,
- int level);</pre>
-
-<p>
-Creates and pushes a traceback of the stack <code>L1</code>.
-If <code>msg</code> is not <code>NULL</code> it is appended
-at the beginning of the traceback.
-The <code>level</code> parameter tells at which level
-to start the traceback.
-
-
-
-
-
-<hr><h3><a name="luaL_typename"><code>luaL_typename</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>const char *luaL_typename (lua_State *L, int index);</pre>
-
-<p>
-Returns the name of the type of the value at the given index.
-
-
-
-
-
-<hr><h3><a name="luaL_unref"><code>luaL_unref</code></a></h3><p>
-<span class="apii">[-0, +0, &ndash;]</span>
-<pre>void luaL_unref (lua_State *L, int t, int ref);</pre>
-
-<p>
-Releases reference <code>ref</code> from the table at index <code>t</code>
-(see <a href="#luaL_ref"><code>luaL_ref</code></a>).
-The entry is removed from the table,
-so that the referred object can be collected.
-The reference <code>ref</code> is also freed to be used again.
-
-
-<p>
-If <code>ref</code> is <a href="#pdf-LUA_NOREF"><code>LUA_NOREF</code></a> or <a href="#pdf-LUA_REFNIL"><code>LUA_REFNIL</code></a>,
-<a href="#luaL_unref"><code>luaL_unref</code></a> does nothing.
-
-
-
-
-
-<hr><h3><a name="luaL_where"><code>luaL_where</code></a></h3><p>
-<span class="apii">[-0, +1, <em>m</em>]</span>
-<pre>void luaL_where (lua_State *L, int lvl);</pre>
-
-<p>
-Pushes onto the stack a string identifying the current position
-of the control at level <code>lvl</code> in the call stack.
-Typically this string has the following format:
-
-<pre>
- <em>chunkname</em>:<em>currentline</em>:
-</pre><p>
-Level&nbsp;0 is the running function,
-level&nbsp;1 is the function that called the running function,
-etc.
-
-
-<p>
-This function is used to build a prefix for error messages.
-
-
-
-
-
-
-
-<h1>6 &ndash; <a name="6">Standard Libraries</a></h1>
-
-<p>
-The standard Lua libraries provide useful functions
-that are implemented directly through the C&nbsp;API.
-Some of these functions provide essential services to the language
-(e.g., <a href="#pdf-type"><code>type</code></a> and <a href="#pdf-getmetatable"><code>getmetatable</code></a>);
-others provide access to "outside" services (e.g., I/O);
-and others could be implemented in Lua itself,
-but are quite useful or have critical performance requirements that
-deserve an implementation in C (e.g., <a href="#pdf-table.sort"><code>table.sort</code></a>).
-
-
-<p>
-All libraries are implemented through the official C&nbsp;API
-and are provided as separate C&nbsp;modules.
-Currently, Lua has the following standard libraries:
-
-<ul>
-
-<li>basic library (<a href="#6.1">&sect;6.1</a>);</li>
-
-<li>coroutine library (<a href="#6.2">&sect;6.2</a>);</li>
-
-<li>package library (<a href="#6.3">&sect;6.3</a>);</li>
-
-<li>string manipulation (<a href="#6.4">&sect;6.4</a>);</li>
-
-<li>basic UTF-8 support (<a href="#6.5">&sect;6.5</a>);</li>
-
-<li>table manipulation (<a href="#6.6">&sect;6.6</a>);</li>
-
-<li>mathematical functions (<a href="#6.7">&sect;6.7</a>) (sin, log, etc.);</li>
-
-<li>input and output (<a href="#6.8">&sect;6.8</a>);</li>
-
-<li>operating system facilities (<a href="#6.9">&sect;6.9</a>);</li>
-
-<li>debug facilities (<a href="#6.10">&sect;6.10</a>).</li>
-
-</ul><p>
-Except for the basic and the package libraries,
-each library provides all its functions as fields of a global table
-or as methods of its objects.
-
-
-<p>
-To have access to these libraries,
-the C&nbsp;host program should call the <a href="#luaL_openlibs"><code>luaL_openlibs</code></a> function,
-which opens all standard libraries.
-Alternatively,
-the host program can open them individually by using
-<a href="#luaL_requiref"><code>luaL_requiref</code></a> to call
-<a name="pdf-luaopen_base"><code>luaopen_base</code></a> (for the basic library),
-<a name="pdf-luaopen_package"><code>luaopen_package</code></a> (for the package library),
-<a name="pdf-luaopen_coroutine"><code>luaopen_coroutine</code></a> (for the coroutine library),
-<a name="pdf-luaopen_string"><code>luaopen_string</code></a> (for the string library),
-<a name="pdf-luaopen_utf8"><code>luaopen_utf8</code></a> (for the UTF8 library),
-<a name="pdf-luaopen_table"><code>luaopen_table</code></a> (for the table library),
-<a name="pdf-luaopen_math"><code>luaopen_math</code></a> (for the mathematical library),
-<a name="pdf-luaopen_io"><code>luaopen_io</code></a> (for the I/O library),
-<a name="pdf-luaopen_os"><code>luaopen_os</code></a> (for the operating system library),
-and <a name="pdf-luaopen_debug"><code>luaopen_debug</code></a> (for the debug library).
-These functions are declared in <a name="pdf-lualib.h"><code>lualib.h</code></a>.
-
-
-
-<h2>6.1 &ndash; <a name="6.1">Basic Functions</a></h2>
-
-<p>
-The basic library provides core functions to Lua.
-If you do not include this library in your application,
-you should check carefully whether you need to provide
-implementations for some of its facilities.
-
-
-<p>
-<hr><h3><a name="pdf-assert"><code>assert (v [, message])</code></a></h3>
-
-
-<p>
-Calls <a href="#pdf-error"><code>error</code></a> if
-the value of its argument <code>v</code> is false (i.e., <b>nil</b> or <b>false</b>);
-otherwise, returns all its arguments.
-In case of error,
-<code>message</code> is the error object;
-when absent, it defaults to "<code>assertion failed!</code>"
-
-
-
-
-<p>
-<hr><h3><a name="pdf-collectgarbage"><code>collectgarbage ([opt [, arg]])</code></a></h3>
-
-
-<p>
-This function is a generic interface to the garbage collector.
-It performs different functions according to its first argument, <code>opt</code>:
-
-<ul>
-
-<li><b>"<code>collect</code>": </b>
-performs a full garbage-collection cycle.
-This is the default option.
-</li>
-
-<li><b>"<code>stop</code>": </b>
-stops automatic execution of the garbage collector.
-The collector will run only when explicitly invoked,
-until a call to restart it.
-</li>
-
-<li><b>"<code>restart</code>": </b>
-restarts automatic execution of the garbage collector.
-</li>
-
-<li><b>"<code>count</code>": </b>
-returns the total memory in use by Lua in Kbytes.
-The value has a fractional part,
-so that it multiplied by 1024
-gives the exact number of bytes in use by Lua
-(except for overflows).
-</li>
-
-<li><b>"<code>step</code>": </b>
-performs a garbage-collection step.
-The step "size" is controlled by <code>arg</code>.
-With a zero value,
-the collector will perform one basic (indivisible) step.
-For non-zero values,
-the collector will perform as if that amount of memory
-(in KBytes) had been allocated by Lua.
-Returns <b>true</b> if the step finished a collection cycle.
-</li>
-
-<li><b>"<code>setpause</code>": </b>
-sets <code>arg</code> as the new value for the <em>pause</em> of
-the collector (see <a href="#2.5">&sect;2.5</a>).
-Returns the previous value for <em>pause</em>.
-</li>
-
-<li><b>"<code>setstepmul</code>": </b>
-sets <code>arg</code> as the new value for the <em>step multiplier</em> of
-the collector (see <a href="#2.5">&sect;2.5</a>).
-Returns the previous value for <em>step</em>.
-</li>
-
-<li><b>"<code>isrunning</code>": </b>
-returns a boolean that tells whether the collector is running
-(i.e., not stopped).
-</li>
-
-</ul>
-
-
-
-<p>
-<hr><h3><a name="pdf-dofile"><code>dofile ([filename])</code></a></h3>
-Opens the named file and executes its contents as a Lua chunk.
-When called without arguments,
-<code>dofile</code> executes the contents of the standard input (<code>stdin</code>).
-Returns all values returned by the chunk.
-In case of errors, <code>dofile</code> propagates the error
-to its caller (that is, <code>dofile</code> does not run in protected mode).
-
-
-
-
-<p>
-<hr><h3><a name="pdf-error"><code>error (message [, level])</code></a></h3>
-Terminates the last protected function called
-and returns <code>message</code> as the error object.
-Function <code>error</code> never returns.
-
-
-<p>
-Usually, <code>error</code> adds some information about the error position
-at the beginning of the message, if the message is a string.
-The <code>level</code> argument specifies how to get the error position.
-With level&nbsp;1 (the default), the error position is where the
-<code>error</code> function was called.
-Level&nbsp;2 points the error to where the function
-that called <code>error</code> was called; and so on.
-Passing a level&nbsp;0 avoids the addition of error position information
-to the message.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-_G"><code>_G</code></a></h3>
-A global variable (not a function) that
-holds the global environment (see <a href="#2.2">&sect;2.2</a>).
-Lua itself does not use this variable;
-changing its value does not affect any environment,
-nor vice versa.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-getmetatable"><code>getmetatable (object)</code></a></h3>
-
-
-<p>
-If <code>object</code> does not have a metatable, returns <b>nil</b>.
-Otherwise,
-if the object's metatable has a <code>__metatable</code> field,
-returns the associated value.
-Otherwise, returns the metatable of the given object.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-ipairs"><code>ipairs (t)</code></a></h3>
-
-
-<p>
-Returns three values (an iterator function, the table <code>t</code>, and 0)
-so that the construction
-
-<pre>
- for i,v in ipairs(t) do <em>body</em> end
-</pre><p>
-will iterate over the key&ndash;value pairs
-(<code>1,t[1]</code>), (<code>2,t[2]</code>), ...,
-up to the first nil value.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-load"><code>load (chunk [, chunkname [, mode [, env]]])</code></a></h3>
-
-
-<p>
-Loads a chunk.
-
-
-<p>
-If <code>chunk</code> is a string, the chunk is this string.
-If <code>chunk</code> is a function,
-<code>load</code> calls it repeatedly to get the chunk pieces.
-Each call to <code>chunk</code> must return a string that concatenates
-with previous results.
-A return of an empty string, <b>nil</b>, or no value signals the end of the chunk.
-
-
-<p>
-If there are no syntactic errors,
-returns the compiled chunk as a function;
-otherwise, returns <b>nil</b> plus the error message.
-
-
-<p>
-If the resulting function has upvalues,
-the first upvalue is set to the value of <code>env</code>,
-if that parameter is given,
-or to the value of the global environment.
-Other upvalues are initialized with <b>nil</b>.
-(When you load a main chunk,
-the resulting function will always have exactly one upvalue,
-the <code>_ENV</code> variable (see <a href="#2.2">&sect;2.2</a>).
-However,
-when you load a binary chunk created from a function (see <a href="#pdf-string.dump"><code>string.dump</code></a>),
-the resulting function can have an arbitrary number of upvalues.)
-All upvalues are fresh, that is,
-they are not shared with any other function.
-
-
-<p>
-<code>chunkname</code> is used as the name of the chunk for error messages
-and debug information (see <a href="#4.9">&sect;4.9</a>).
-When absent,
-it defaults to <code>chunk</code>, if <code>chunk</code> is a string,
-or to "<code>=(load)</code>" otherwise.
-
-
-<p>
-The string <code>mode</code> controls whether the chunk can be text or binary
-(that is, a precompiled chunk).
-It may be the string "<code>b</code>" (only binary chunks),
-"<code>t</code>" (only text chunks),
-or "<code>bt</code>" (both binary and text).
-The default is "<code>bt</code>".
-
-
-<p>
-Lua does not check the consistency of binary chunks.
-Maliciously crafted binary chunks can crash
-the interpreter.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-loadfile"><code>loadfile ([filename [, mode [, env]]])</code></a></h3>
-
-
-<p>
-Similar to <a href="#pdf-load"><code>load</code></a>,
-but gets the chunk from file <code>filename</code>
-or from the standard input,
-if no file name is given.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-next"><code>next (table [, index])</code></a></h3>
-
-
-<p>
-Allows a program to traverse all fields of a table.
-Its first argument is a table and its second argument
-is an index in this table.
-<code>next</code> returns the next index of the table
-and its associated value.
-When called with <b>nil</b> as its second argument,
-<code>next</code> returns an initial index
-and its associated value.
-When called with the last index,
-or with <b>nil</b> in an empty table,
-<code>next</code> returns <b>nil</b>.
-If the second argument is absent, then it is interpreted as <b>nil</b>.
-In particular,
-you can use <code>next(t)</code> to check whether a table is empty.
-
-
-<p>
-The order in which the indices are enumerated is not specified,
-<em>even for numeric indices</em>.
-(To traverse a table in numerical order,
-use a numerical <b>for</b>.)
-
-
-<p>
-The behavior of <code>next</code> is undefined if,
-during the traversal,
-you assign any value to a non-existent field in the table.
-You may however modify existing fields.
-In particular, you may clear existing fields.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-pairs"><code>pairs (t)</code></a></h3>
-
-
-<p>
-If <code>t</code> has a metamethod <code>__pairs</code>,
-calls it with <code>t</code> as argument and returns the first three
-results from the call.
-
-
-<p>
-Otherwise,
-returns three values: the <a href="#pdf-next"><code>next</code></a> function, the table <code>t</code>, and <b>nil</b>,
-so that the construction
-
-<pre>
- for k,v in pairs(t) do <em>body</em> end
-</pre><p>
-will iterate over all key&ndash;value pairs of table <code>t</code>.
-
-
-<p>
-See function <a href="#pdf-next"><code>next</code></a> for the caveats of modifying
-the table during its traversal.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-pcall"><code>pcall (f [, arg1, &middot;&middot;&middot;])</code></a></h3>
-
-
-<p>
-Calls function <code>f</code> with
-the given arguments in <em>protected mode</em>.
-This means that any error inside&nbsp;<code>f</code> is not propagated;
-instead, <code>pcall</code> catches the error
-and returns a status code.
-Its first result is the status code (a boolean),
-which is true if the call succeeds without errors.
-In such case, <code>pcall</code> also returns all results from the call,
-after this first result.
-In case of any error, <code>pcall</code> returns <b>false</b> plus the error message.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-print"><code>print (&middot;&middot;&middot;)</code></a></h3>
-Receives any number of arguments
-and prints their values to <code>stdout</code>,
-using the <a href="#pdf-tostring"><code>tostring</code></a> function to convert each argument to a string.
-<code>print</code> is not intended for formatted output,
-but only as a quick way to show a value,
-for instance for debugging.
-For complete control over the output,
-use <a href="#pdf-string.format"><code>string.format</code></a> and <a href="#pdf-io.write"><code>io.write</code></a>.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-rawequal"><code>rawequal (v1, v2)</code></a></h3>
-Checks whether <code>v1</code> is equal to <code>v2</code>,
-without invoking the <code>__eq</code> metamethod.
-Returns a boolean.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-rawget"><code>rawget (table, index)</code></a></h3>
-Gets the real value of <code>table[index]</code>,
-without invoking the <code>__index</code> metamethod.
-<code>table</code> must be a table;
-<code>index</code> may be any value.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-rawlen"><code>rawlen (v)</code></a></h3>
-Returns the length of the object <code>v</code>,
-which must be a table or a string,
-without invoking the <code>__len</code> metamethod.
-Returns an integer.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-rawset"><code>rawset (table, index, value)</code></a></h3>
-Sets the real value of <code>table[index]</code> to <code>value</code>,
-without invoking the <code>__newindex</code> metamethod.
-<code>table</code> must be a table,
-<code>index</code> any value different from <b>nil</b> and NaN,
-and <code>value</code> any Lua value.
-
-
-<p>
-This function returns <code>table</code>.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-select"><code>select (index, &middot;&middot;&middot;)</code></a></h3>
-
-
-<p>
-If <code>index</code> is a number,
-returns all arguments after argument number <code>index</code>;
-a negative number indexes from the end (-1 is the last argument).
-Otherwise, <code>index</code> must be the string <code>"#"</code>,
-and <code>select</code> returns the total number of extra arguments it received.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-setmetatable"><code>setmetatable (table, metatable)</code></a></h3>
-
-
-<p>
-Sets the metatable for the given table.
-(To change the metatable of other types from Lua code,
-you must use the debug library (<a href="#6.10">&sect;6.10</a>).)
-If <code>metatable</code> is <b>nil</b>,
-removes the metatable of the given table.
-If the original metatable has a <code>__metatable</code> field,
-raises an error.
-
-
-<p>
-This function returns <code>table</code>.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-tonumber"><code>tonumber (e [, base])</code></a></h3>
-
-
-<p>
-When called with no <code>base</code>,
-<code>tonumber</code> tries to convert its argument to a number.
-If the argument is already a number or
-a string convertible to a number,
-then <code>tonumber</code> returns this number;
-otherwise, it returns <b>nil</b>.
-
-
-<p>
-The conversion of strings can result in integers or floats,
-according to the lexical conventions of Lua (see <a href="#3.1">&sect;3.1</a>).
-(The string may have leading and trailing spaces and a sign.)
-
-
-<p>
-When called with <code>base</code>,
-then <code>e</code> must be a string to be interpreted as
-an integer numeral in that base.
-The base may be any integer between 2 and 36, inclusive.
-In bases above&nbsp;10, the letter '<code>A</code>' (in either upper or lower case)
-represents&nbsp;10, '<code>B</code>' represents&nbsp;11, and so forth,
-with '<code>Z</code>' representing 35.
-If the string <code>e</code> is not a valid numeral in the given base,
-the function returns <b>nil</b>.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-tostring"><code>tostring (v)</code></a></h3>
-Receives a value of any type and
-converts it to a string in a human-readable format.
-(For complete control of how numbers are converted,
-use <a href="#pdf-string.format"><code>string.format</code></a>.)
-
-
-<p>
-If the metatable of <code>v</code> has a <code>__tostring</code> field,
-then <code>tostring</code> calls the corresponding value
-with <code>v</code> as argument,
-and uses the result of the call as its result.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-type"><code>type (v)</code></a></h3>
-Returns the type of its only argument, coded as a string.
-The possible results of this function are
-"<code>nil</code>" (a string, not the value <b>nil</b>),
-"<code>number</code>",
-"<code>string</code>",
-"<code>boolean</code>",
-"<code>table</code>",
-"<code>function</code>",
-"<code>thread</code>",
-and "<code>userdata</code>".
-
-
-
-
-<p>
-<hr><h3><a name="pdf-_VERSION"><code>_VERSION</code></a></h3>
-
-
-<p>
-A global variable (not a function) that
-holds a string containing the running Lua version.
-The current value of this variable is "<code>Lua 5.3</code>".
-
-
-
-
-<p>
-<hr><h3><a name="pdf-xpcall"><code>xpcall (f, msgh [, arg1, &middot;&middot;&middot;])</code></a></h3>
-
-
-<p>
-This function is similar to <a href="#pdf-pcall"><code>pcall</code></a>,
-except that it sets a new message handler <code>msgh</code>.
-
-
-
-
-
-
-
-<h2>6.2 &ndash; <a name="6.2">Coroutine Manipulation</a></h2>
-
-<p>
-This library comprises the operations to manipulate coroutines,
-which come inside the table <a name="pdf-coroutine"><code>coroutine</code></a>.
-See <a href="#2.6">&sect;2.6</a> for a general description of coroutines.
-
-
-<p>
-<hr><h3><a name="pdf-coroutine.create"><code>coroutine.create (f)</code></a></h3>
-
-
-<p>
-Creates a new coroutine, with body <code>f</code>.
-<code>f</code> must be a function.
-Returns this new coroutine,
-an object with type <code>"thread"</code>.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-coroutine.isyieldable"><code>coroutine.isyieldable ()</code></a></h3>
-
-
-<p>
-Returns true when the running coroutine can yield.
-
-
-<p>
-A running coroutine is yieldable if it is not the main thread and
-it is not inside a non-yieldable C&nbsp;function.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-coroutine.resume"><code>coroutine.resume (co [, val1, &middot;&middot;&middot;])</code></a></h3>
-
-
-<p>
-Starts or continues the execution of coroutine <code>co</code>.
-The first time you resume a coroutine,
-it starts running its body.
-The values <code>val1</code>, ... are passed
-as the arguments to the body function.
-If the coroutine has yielded,
-<code>resume</code> restarts it;
-the values <code>val1</code>, ... are passed
-as the results from the yield.
-
-
-<p>
-If the coroutine runs without any errors,
-<code>resume</code> returns <b>true</b> plus any values passed to <code>yield</code>
-(when the coroutine yields) or any values returned by the body function
-(when the coroutine terminates).
-If there is any error,
-<code>resume</code> returns <b>false</b> plus the error message.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-coroutine.running"><code>coroutine.running ()</code></a></h3>
-
-
-<p>
-Returns the running coroutine plus a boolean,
-true when the running coroutine is the main one.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-coroutine.status"><code>coroutine.status (co)</code></a></h3>
-
-
-<p>
-Returns the status of coroutine <code>co</code>, as a string:
-<code>"running"</code>,
-if the coroutine is running (that is, it called <code>status</code>);
-<code>"suspended"</code>, if the coroutine is suspended in a call to <code>yield</code>,
-or if it has not started running yet;
-<code>"normal"</code> if the coroutine is active but not running
-(that is, it has resumed another coroutine);
-and <code>"dead"</code> if the coroutine has finished its body function,
-or if it has stopped with an error.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-coroutine.wrap"><code>coroutine.wrap (f)</code></a></h3>
-
-
-<p>
-Creates a new coroutine, with body <code>f</code>.
-<code>f</code> must be a function.
-Returns a function that resumes the coroutine each time it is called.
-Any arguments passed to the function behave as the
-extra arguments to <code>resume</code>.
-Returns the same values returned by <code>resume</code>,
-except the first boolean.
-In case of error, propagates the error.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-coroutine.yield"><code>coroutine.yield (&middot;&middot;&middot;)</code></a></h3>
-
-
-<p>
-Suspends the execution of the calling coroutine.
-Any arguments to <code>yield</code> are passed as extra results to <code>resume</code>.
-
-
-
-
-
-
-
-<h2>6.3 &ndash; <a name="6.3">Modules</a></h2>
-
-<p>
-The package library provides basic
-facilities for loading modules in Lua.
-It exports one function directly in the global environment:
-<a href="#pdf-require"><code>require</code></a>.
-Everything else is exported in a table <a name="pdf-package"><code>package</code></a>.
-
-
-<p>
-<hr><h3><a name="pdf-require"><code>require (modname)</code></a></h3>
-
-
-<p>
-Loads the given module.
-The function starts by looking into the <a href="#pdf-package.loaded"><code>package.loaded</code></a> table
-to determine whether <code>modname</code> is already loaded.
-If it is, then <code>require</code> returns the value stored
-at <code>package.loaded[modname]</code>.
-Otherwise, it tries to find a <em>loader</em> for the module.
-
-
-<p>
-To find a loader,
-<code>require</code> is guided by the <a href="#pdf-package.searchers"><code>package.searchers</code></a> sequence.
-By changing this sequence,
-we can change how <code>require</code> looks for a module.
-The following explanation is based on the default configuration
-for <a href="#pdf-package.searchers"><code>package.searchers</code></a>.
-
-
-<p>
-First <code>require</code> queries <code>package.preload[modname]</code>.
-If it has a value,
-this value (which must be a function) is the loader.
-Otherwise <code>require</code> searches for a Lua loader using the
-path stored in <a href="#pdf-package.path"><code>package.path</code></a>.
-If that also fails, it searches for a C&nbsp;loader using the
-path stored in <a href="#pdf-package.cpath"><code>package.cpath</code></a>.
-If that also fails,
-it tries an <em>all-in-one</em> loader (see <a href="#pdf-package.searchers"><code>package.searchers</code></a>).
-
-
-<p>
-Once a loader is found,
-<code>require</code> calls the loader with two arguments:
-<code>modname</code> and an extra value dependent on how it got the loader.
-(If the loader came from a file,
-this extra value is the file name.)
-If the loader returns any non-nil value,
-<code>require</code> assigns the returned value to <code>package.loaded[modname]</code>.
-If the loader does not return a non-nil value and
-has not assigned any value to <code>package.loaded[modname]</code>,
-then <code>require</code> assigns <b>true</b> to this entry.
-In any case, <code>require</code> returns the
-final value of <code>package.loaded[modname]</code>.
-
-
-<p>
-If there is any error loading or running the module,
-or if it cannot find any loader for the module,
-then <code>require</code> raises an error.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-package.config"><code>package.config</code></a></h3>
-
-
-<p>
-A string describing some compile-time configurations for packages.
-This string is a sequence of lines:
-
-<ul>
-
-<li>The first line is the directory separator string.
-Default is '<code>\</code>' for Windows and '<code>/</code>' for all other systems.</li>
-
-<li>The second line is the character that separates templates in a path.
-Default is '<code>;</code>'.</li>
-
-<li>The third line is the string that marks the
-substitution points in a template.
-Default is '<code>?</code>'.</li>
-
-<li>The fourth line is a string that, in a path in Windows,
-is replaced by the executable's directory.
-Default is '<code>!</code>'.</li>
-
-<li>The fifth line is a mark to ignore all text after it
-when building the <code>luaopen_</code> function name.
-Default is '<code>-</code>'.</li>
-
-</ul>
-
-
-
-<p>
-<hr><h3><a name="pdf-package.cpath"><code>package.cpath</code></a></h3>
-
-
-<p>
-The path used by <a href="#pdf-require"><code>require</code></a> to search for a C&nbsp;loader.
-
-
-<p>
-Lua initializes the C&nbsp;path <a href="#pdf-package.cpath"><code>package.cpath</code></a> in the same way
-it initializes the Lua path <a href="#pdf-package.path"><code>package.path</code></a>,
-using the environment variable <a name="pdf-LUA_CPATH_5_3"><code>LUA_CPATH_5_3</code></a>,
-or the environment variable <a name="pdf-LUA_CPATH"><code>LUA_CPATH</code></a>,
-or a default path defined in <code>luaconf.h</code>.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-package.loaded"><code>package.loaded</code></a></h3>
-
-
-<p>
-A table used by <a href="#pdf-require"><code>require</code></a> to control which
-modules are already loaded.
-When you require a module <code>modname</code> and
-<code>package.loaded[modname]</code> is not false,
-<a href="#pdf-require"><code>require</code></a> simply returns the value stored there.
-
-
-<p>
-This variable is only a reference to the real table;
-assignments to this variable do not change the
-table used by <a href="#pdf-require"><code>require</code></a>.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-package.loadlib"><code>package.loadlib (libname, funcname)</code></a></h3>
-
-
-<p>
-Dynamically links the host program with the C&nbsp;library <code>libname</code>.
-
-
-<p>
-If <code>funcname</code> is "<code>*</code>",
-then it only links with the library,
-making the symbols exported by the library
-available to other dynamically linked libraries.
-Otherwise,
-it looks for a function <code>funcname</code> inside the library
-and returns this function as a C&nbsp;function.
-So, <code>funcname</code> must follow the <a href="#lua_CFunction"><code>lua_CFunction</code></a> prototype
-(see <a href="#lua_CFunction"><code>lua_CFunction</code></a>).
-
-
-<p>
-This is a low-level function.
-It completely bypasses the package and module system.
-Unlike <a href="#pdf-require"><code>require</code></a>,
-it does not perform any path searching and
-does not automatically adds extensions.
-<code>libname</code> must be the complete file name of the C&nbsp;library,
-including if necessary a path and an extension.
-<code>funcname</code> must be the exact name exported by the C&nbsp;library
-(which may depend on the C&nbsp;compiler and linker used).
-
-
-<p>
-This function is not supported by Standard&nbsp;C.
-As such, it is only available on some platforms
-(Windows, Linux, Mac OS X, Solaris, BSD,
-plus other Unix systems that support the <code>dlfcn</code> standard).
-
-
-
-
-<p>
-<hr><h3><a name="pdf-package.path"><code>package.path</code></a></h3>
-
-
-<p>
-The path used by <a href="#pdf-require"><code>require</code></a> to search for a Lua loader.
-
-
-<p>
-At start-up, Lua initializes this variable with
-the value of the environment variable <a name="pdf-LUA_PATH_5_3"><code>LUA_PATH_5_3</code></a> or
-the environment variable <a name="pdf-LUA_PATH"><code>LUA_PATH</code></a> or
-with a default path defined in <code>luaconf.h</code>,
-if those environment variables are not defined.
-Any "<code>;;</code>" in the value of the environment variable
-is replaced by the default path.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-package.preload"><code>package.preload</code></a></h3>
-
-
-<p>
-A table to store loaders for specific modules
-(see <a href="#pdf-require"><code>require</code></a>).
-
-
-<p>
-This variable is only a reference to the real table;
-assignments to this variable do not change the
-table used by <a href="#pdf-require"><code>require</code></a>.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-package.searchers"><code>package.searchers</code></a></h3>
-
-
-<p>
-A table used by <a href="#pdf-require"><code>require</code></a> to control how to load modules.
-
-
-<p>
-Each entry in this table is a <em>searcher function</em>.
-When looking for a module,
-<a href="#pdf-require"><code>require</code></a> calls each of these searchers in ascending order,
-with the module name (the argument given to <a href="#pdf-require"><code>require</code></a>) as its
-sole parameter.
-The function can return another function (the module <em>loader</em>)
-plus an extra value that will be passed to that loader,
-or a string explaining why it did not find that module
-(or <b>nil</b> if it has nothing to say).
-
-
-<p>
-Lua initializes this table with four searcher functions.
-
-
-<p>
-The first searcher simply looks for a loader in the
-<a href="#pdf-package.preload"><code>package.preload</code></a> table.
-
-
-<p>
-The second searcher looks for a loader as a Lua library,
-using the path stored at <a href="#pdf-package.path"><code>package.path</code></a>.
-The search is done as described in function <a href="#pdf-package.searchpath"><code>package.searchpath</code></a>.
-
-
-<p>
-The third searcher looks for a loader as a C&nbsp;library,
-using the path given by the variable <a href="#pdf-package.cpath"><code>package.cpath</code></a>.
-Again,
-the search is done as described in function <a href="#pdf-package.searchpath"><code>package.searchpath</code></a>.
-For instance,
-if the C&nbsp;path is the string
-
-<pre>
- "./?.so;./?.dll;/usr/local/?/init.so"
-</pre><p>
-the searcher for module <code>foo</code>
-will try to open the files <code>./foo.so</code>, <code>./foo.dll</code>,
-and <code>/usr/local/foo/init.so</code>, in that order.
-Once it finds a C&nbsp;library,
-this searcher first uses a dynamic link facility to link the
-application with the library.
-Then it tries to find a C&nbsp;function inside the library to
-be used as the loader.
-The name of this C&nbsp;function is the string "<code>luaopen_</code>"
-concatenated with a copy of the module name where each dot
-is replaced by an underscore.
-Moreover, if the module name has a hyphen,
-its suffix after (and including) the first hyphen is removed.
-For instance, if the module name is <code>a.b.c-v2.1</code>,
-the function name will be <code>luaopen_a_b_c</code>.
-
-
-<p>
-The fourth searcher tries an <em>all-in-one loader</em>.
-It searches the C&nbsp;path for a library for
-the root name of the given module.
-For instance, when requiring <code>a.b.c</code>,
-it will search for a C&nbsp;library for <code>a</code>.
-If found, it looks into it for an open function for
-the submodule;
-in our example, that would be <code>luaopen_a_b_c</code>.
-With this facility, a package can pack several C&nbsp;submodules
-into one single library,
-with each submodule keeping its original open function.
-
-
-<p>
-All searchers except the first one (preload) return as the extra value
-the file name where the module was found,
-as returned by <a href="#pdf-package.searchpath"><code>package.searchpath</code></a>.
-The first searcher returns no extra value.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-package.searchpath"><code>package.searchpath (name, path [, sep [, rep]])</code></a></h3>
-
-
-<p>
-Searches for the given <code>name</code> in the given <code>path</code>.
-
-
-<p>
-A path is a string containing a sequence of
-<em>templates</em> separated by semicolons.
-For each template,
-the function replaces each interrogation mark (if any)
-in the template with a copy of <code>name</code>
-wherein all occurrences of <code>sep</code>
-(a dot, by default)
-were replaced by <code>rep</code>
-(the system's directory separator, by default),
-and then tries to open the resulting file name.
-
-
-<p>
-For instance, if the path is the string
-
-<pre>
- "./?.lua;./?.lc;/usr/local/?/init.lua"
-</pre><p>
-the search for the name <code>foo.a</code>
-will try to open the files
-<code>./foo/a.lua</code>, <code>./foo/a.lc</code>, and
-<code>/usr/local/foo/a/init.lua</code>, in that order.
-
-
-<p>
-Returns the resulting name of the first file that it can
-open in read mode (after closing the file),
-or <b>nil</b> plus an error message if none succeeds.
-(This error message lists all file names it tried to open.)
-
-
-
-
-
-
-
-<h2>6.4 &ndash; <a name="6.4">String Manipulation</a></h2>
-
-<p>
-This library provides generic functions for string manipulation,
-such as finding and extracting substrings, and pattern matching.
-When indexing a string in Lua, the first character is at position&nbsp;1
-(not at&nbsp;0, as in C).
-Indices are allowed to be negative and are interpreted as indexing backwards,
-from the end of the string.
-Thus, the last character is at position -1, and so on.
-
-
-<p>
-The string library provides all its functions inside the table
-<a name="pdf-string"><code>string</code></a>.
-It also sets a metatable for strings
-where the <code>__index</code> field points to the <code>string</code> table.
-Therefore, you can use the string functions in object-oriented style.
-For instance, <code>string.byte(s,i)</code>
-can be written as <code>s:byte(i)</code>.
-
-
-<p>
-The string library assumes one-byte character encodings.
-
-
-<p>
-<hr><h3><a name="pdf-string.byte"><code>string.byte (s [, i [, j]])</code></a></h3>
-Returns the internal numeric codes of the characters <code>s[i]</code>,
-<code>s[i+1]</code>, ..., <code>s[j]</code>.
-The default value for <code>i</code> is&nbsp;1;
-the default value for <code>j</code> is&nbsp;<code>i</code>.
-These indices are corrected
-following the same rules of function <a href="#pdf-string.sub"><code>string.sub</code></a>.
-
-
-<p>
-Numeric codes are not necessarily portable across platforms.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-string.char"><code>string.char (&middot;&middot;&middot;)</code></a></h3>
-Receives zero or more integers.
-Returns a string with length equal to the number of arguments,
-in which each character has the internal numeric code equal
-to its corresponding argument.
-
-
-<p>
-Numeric codes are not necessarily portable across platforms.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-string.dump"><code>string.dump (function [, strip])</code></a></h3>
-
-
-<p>
-Returns a string containing a binary representation
-(a <em>binary chunk</em>)
-of the given function,
-so that a later <a href="#pdf-load"><code>load</code></a> on this string returns
-a copy of the function (but with new upvalues).
-If <code>strip</code> is a true value,
-the binary representation may not include all debug information
-about the function,
-to save space.
-
-
-<p>
-Functions with upvalues have only their number of upvalues saved.
-When (re)loaded,
-those upvalues receive fresh instances containing <b>nil</b>.
-(You can use the debug library to serialize
-and reload the upvalues of a function
-in a way adequate to your needs.)
-
-
-
-
-<p>
-<hr><h3><a name="pdf-string.find"><code>string.find (s, pattern [, init [, plain]])</code></a></h3>
-
-
-<p>
-Looks for the first match of
-<code>pattern</code> (see <a href="#6.4.1">&sect;6.4.1</a>) in the string <code>s</code>.
-If it finds a match, then <code>find</code> returns the indices of&nbsp;<code>s</code>
-where this occurrence starts and ends;
-otherwise, it returns <b>nil</b>.
-A third, optional numeric argument <code>init</code> specifies
-where to start the search;
-its default value is&nbsp;1 and can be negative.
-A value of <b>true</b> as a fourth, optional argument <code>plain</code>
-turns off the pattern matching facilities,
-so the function does a plain "find substring" operation,
-with no characters in <code>pattern</code> being considered magic.
-Note that if <code>plain</code> is given, then <code>init</code> must be given as well.
-
-
-<p>
-If the pattern has captures,
-then in a successful match
-the captured values are also returned,
-after the two indices.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-string.format"><code>string.format (formatstring, &middot;&middot;&middot;)</code></a></h3>
-
-
-<p>
-Returns a formatted version of its variable number of arguments
-following the description given in its first argument (which must be a string).
-The format string follows the same rules as the ISO&nbsp;C function <code>sprintf</code>.
-The only differences are that the options/modifiers
-<code>*</code>, <code>h</code>, <code>L</code>, <code>l</code>, <code>n</code>,
-and <code>p</code> are not supported
-and that there is an extra option, <code>q</code>.
-
-
-<p>
-The <code>q</code> option formats a string between double quotes,
-using escape sequences when necessary to ensure that
-it can safely be read back by the Lua interpreter.
-For instance, the call
-
-<pre>
- string.format('%q', 'a string with "quotes" and \n new line')
-</pre><p>
-may produce the string:
-
-<pre>
- "a string with \"quotes\" and \
- new line"
-</pre>
-
-<p>
-Options
-<code>A</code>, <code>a</code>, <code>E</code>, <code>e</code>, <code>f</code>,
-<code>G</code>, and <code>g</code> all expect a number as argument.
-Options <code>c</code>, <code>d</code>,
-<code>i</code>, <code>o</code>, <code>u</code>, <code>X</code>, and <code>x</code>
-expect an integer.
-When Lua is compiled with a C89 compiler,
-options <code>A</code> and <code>a</code> (hexadecimal floats)
-do not support any modifier (flags, width, length).
-
-
-<p>
-Option <code>s</code> expects a string;
-if its argument is not a string,
-it is converted to one following the same rules of <a href="#pdf-tostring"><code>tostring</code></a>.
-If the option has any modifier (flags, width, length),
-the string argument should not contain embedded zeros.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-string.gmatch"><code>string.gmatch (s, pattern)</code></a></h3>
-Returns an iterator function that,
-each time it is called,
-returns the next captures from <code>pattern</code> (see <a href="#6.4.1">&sect;6.4.1</a>)
-over the string <code>s</code>.
-If <code>pattern</code> specifies no captures,
-then the whole match is produced in each call.
-
-
-<p>
-As an example, the following loop
-will iterate over all the words from string <code>s</code>,
-printing one per line:
-
-<pre>
- s = "hello world from Lua"
- for w in string.gmatch(s, "%a+") do
- print(w)
- end
-</pre><p>
-The next example collects all pairs <code>key=value</code> from the
-given string into a table:
-
-<pre>
- t = {}
- s = "from=world, to=Lua"
- for k, v in string.gmatch(s, "(%w+)=(%w+)") do
- t[k] = v
- end
-</pre>
-
-<p>
-For this function, a caret '<code>^</code>' at the start of a pattern does not
-work as an anchor, as this would prevent the iteration.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-string.gsub"><code>string.gsub (s, pattern, repl [, n])</code></a></h3>
-Returns a copy of <code>s</code>
-in which all (or the first <code>n</code>, if given)
-occurrences of the <code>pattern</code> (see <a href="#6.4.1">&sect;6.4.1</a>) have been
-replaced by a replacement string specified by <code>repl</code>,
-which can be a string, a table, or a function.
-<code>gsub</code> also returns, as its second value,
-the total number of matches that occurred.
-The name <code>gsub</code> comes from <em>Global SUBstitution</em>.
-
-
-<p>
-If <code>repl</code> is a string, then its value is used for replacement.
-The character&nbsp;<code>%</code> works as an escape character:
-any sequence in <code>repl</code> of the form <code>%<em>d</em></code>,
-with <em>d</em> between 1 and 9,
-stands for the value of the <em>d</em>-th captured substring.
-The sequence <code>%0</code> stands for the whole match.
-The sequence <code>%%</code> stands for a single&nbsp;<code>%</code>.
-
-
-<p>
-If <code>repl</code> is a table, then the table is queried for every match,
-using the first capture as the key.
-
-
-<p>
-If <code>repl</code> is a function, then this function is called every time a
-match occurs, with all captured substrings passed as arguments,
-in order.
-
-
-<p>
-In any case,
-if the pattern specifies no captures,
-then it behaves as if the whole pattern was inside a capture.
-
-
-<p>
-If the value returned by the table query or by the function call
-is a string or a number,
-then it is used as the replacement string;
-otherwise, if it is <b>false</b> or <b>nil</b>,
-then there is no replacement
-(that is, the original match is kept in the string).
-
-
-<p>
-Here are some examples:
-
-<pre>
- x = string.gsub("hello world", "(%w+)", "%1 %1")
- --&gt; x="hello hello world world"
-
- x = string.gsub("hello world", "%w+", "%0 %0", 1)
- --&gt; x="hello hello world"
-
- x = string.gsub("hello world from Lua", "(%w+)%s*(%w+)", "%2 %1")
- --&gt; x="world hello Lua from"
-
- x = string.gsub("home = $HOME, user = $USER", "%$(%w+)", os.getenv)
- --&gt; x="home = /home/roberto, user = roberto"
-
- x = string.gsub("4+5 = $return 4+5$", "%$(.-)%$", function (s)
- return load(s)()
- end)
- --&gt; x="4+5 = 9"
-
- local t = {name="lua", version="5.3"}
- x = string.gsub("$name-$version.tar.gz", "%$(%w+)", t)
- --&gt; x="lua-5.3.tar.gz"
-</pre>
-
-
-
-<p>
-<hr><h3><a name="pdf-string.len"><code>string.len (s)</code></a></h3>
-Receives a string and returns its length.
-The empty string <code>""</code> has length 0.
-Embedded zeros are counted,
-so <code>"a\000bc\000"</code> has length 5.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-string.lower"><code>string.lower (s)</code></a></h3>
-Receives a string and returns a copy of this string with all
-uppercase letters changed to lowercase.
-All other characters are left unchanged.
-The definition of what an uppercase letter is depends on the current locale.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-string.match"><code>string.match (s, pattern [, init])</code></a></h3>
-Looks for the first <em>match</em> of
-<code>pattern</code> (see <a href="#6.4.1">&sect;6.4.1</a>) in the string <code>s</code>.
-If it finds one, then <code>match</code> returns
-the captures from the pattern;
-otherwise it returns <b>nil</b>.
-If <code>pattern</code> specifies no captures,
-then the whole match is returned.
-A third, optional numeric argument <code>init</code> specifies
-where to start the search;
-its default value is&nbsp;1 and can be negative.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-string.pack"><code>string.pack (fmt, v1, v2, &middot;&middot;&middot;)</code></a></h3>
-
-
-<p>
-Returns a binary string containing the values <code>v1</code>, <code>v2</code>, etc.
-packed (that is, serialized in binary form)
-according to the format string <code>fmt</code> (see <a href="#6.4.2">&sect;6.4.2</a>).
-
-
-
-
-<p>
-<hr><h3><a name="pdf-string.packsize"><code>string.packsize (fmt)</code></a></h3>
-
-
-<p>
-Returns the size of a string resulting from <a href="#pdf-string.pack"><code>string.pack</code></a>
-with the given format.
-The format string cannot have the variable-length options
-'<code>s</code>' or '<code>z</code>' (see <a href="#6.4.2">&sect;6.4.2</a>).
-
-
-
-
-<p>
-<hr><h3><a name="pdf-string.rep"><code>string.rep (s, n [, sep])</code></a></h3>
-Returns a string that is the concatenation of <code>n</code> copies of
-the string <code>s</code> separated by the string <code>sep</code>.
-The default value for <code>sep</code> is the empty string
-(that is, no separator).
-Returns the empty string if <code>n</code> is not positive.
-
-
-<p>
-(Note that it is very easy to exhaust the memory of your machine
-with a single call to this function.)
-
-
-
-
-<p>
-<hr><h3><a name="pdf-string.reverse"><code>string.reverse (s)</code></a></h3>
-Returns a string that is the string <code>s</code> reversed.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-string.sub"><code>string.sub (s, i [, j])</code></a></h3>
-Returns the substring of <code>s</code> that
-starts at <code>i</code> and continues until <code>j</code>;
-<code>i</code> and <code>j</code> can be negative.
-If <code>j</code> is absent, then it is assumed to be equal to -1
-(which is the same as the string length).
-In particular,
-the call <code>string.sub(s,1,j)</code> returns a prefix of <code>s</code>
-with length <code>j</code>,
-and <code>string.sub(s, -i)</code> (for a positive <code>i</code>)
-returns a suffix of <code>s</code>
-with length <code>i</code>.
-
-
-<p>
-If, after the translation of negative indices,
-<code>i</code> is less than 1,
-it is corrected to 1.
-If <code>j</code> is greater than the string length,
-it is corrected to that length.
-If, after these corrections,
-<code>i</code> is greater than <code>j</code>,
-the function returns the empty string.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-string.unpack"><code>string.unpack (fmt, s [, pos])</code></a></h3>
-
-
-<p>
-Returns the values packed in string <code>s</code> (see <a href="#pdf-string.pack"><code>string.pack</code></a>)
-according to the format string <code>fmt</code> (see <a href="#6.4.2">&sect;6.4.2</a>).
-An optional <code>pos</code> marks where
-to start reading in <code>s</code> (default is 1).
-After the read values,
-this function also returns the index of the first unread byte in <code>s</code>.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-string.upper"><code>string.upper (s)</code></a></h3>
-Receives a string and returns a copy of this string with all
-lowercase letters changed to uppercase.
-All other characters are left unchanged.
-The definition of what a lowercase letter is depends on the current locale.
-
-
-
-
-
-<h3>6.4.1 &ndash; <a name="6.4.1">Patterns</a></h3>
-
-<p>
-Patterns in Lua are described by regular strings,
-which are interpreted as patterns by the pattern-matching functions
-<a href="#pdf-string.find"><code>string.find</code></a>,
-<a href="#pdf-string.gmatch"><code>string.gmatch</code></a>,
-<a href="#pdf-string.gsub"><code>string.gsub</code></a>,
-and <a href="#pdf-string.match"><code>string.match</code></a>.
-This section describes the syntax and the meaning
-(that is, what they match) of these strings.
-
-
-
-<h4>Character Class:</h4><p>
-A <em>character class</em> is used to represent a set of characters.
-The following combinations are allowed in describing a character class:
-
-<ul>
-
-<li><b><em>x</em>: </b>
-(where <em>x</em> is not one of the <em>magic characters</em>
-<code>^$()%.[]*+-?</code>)
-represents the character <em>x</em> itself.
-</li>
-
-<li><b><code>.</code>: </b> (a dot) represents all characters.</li>
-
-<li><b><code>%a</code>: </b> represents all letters.</li>
-
-<li><b><code>%c</code>: </b> represents all control characters.</li>
-
-<li><b><code>%d</code>: </b> represents all digits.</li>
-
-<li><b><code>%g</code>: </b> represents all printable characters except space.</li>
-
-<li><b><code>%l</code>: </b> represents all lowercase letters.</li>
-
-<li><b><code>%p</code>: </b> represents all punctuation characters.</li>
-
-<li><b><code>%s</code>: </b> represents all space characters.</li>
-
-<li><b><code>%u</code>: </b> represents all uppercase letters.</li>
-
-<li><b><code>%w</code>: </b> represents all alphanumeric characters.</li>
-
-<li><b><code>%x</code>: </b> represents all hexadecimal digits.</li>
-
-<li><b><code>%<em>x</em></code>: </b> (where <em>x</em> is any non-alphanumeric character)
-represents the character <em>x</em>.
-This is the standard way to escape the magic characters.
-Any non-alphanumeric character
-(including all punctuation characters, even the non-magical)
-can be preceded by a '<code>%</code>'
-when used to represent itself in a pattern.
-</li>
-
-<li><b><code>[<em>set</em>]</code>: </b>
-represents the class which is the union of all
-characters in <em>set</em>.
-A range of characters can be specified by
-separating the end characters of the range,
-in ascending order, with a '<code>-</code>'.
-All classes <code>%</code><em>x</em> described above can also be used as
-components in <em>set</em>.
-All other characters in <em>set</em> represent themselves.
-For example, <code>[%w_]</code> (or <code>[_%w]</code>)
-represents all alphanumeric characters plus the underscore,
-<code>[0-7]</code> represents the octal digits,
-and <code>[0-7%l%-]</code> represents the octal digits plus
-the lowercase letters plus the '<code>-</code>' character.
-
-
-<p>
-You can put a closing square bracket in a set
-by positioning it as the first character in the set.
-You can put a hyphen in a set
-by positioning it as the first or the last character in the set.
-(You can also use an escape for both cases.)
-
-
-<p>
-The interaction between ranges and classes is not defined.
-Therefore, patterns like <code>[%a-z]</code> or <code>[a-%%]</code>
-have no meaning.
-</li>
-
-<li><b><code>[^<em>set</em>]</code>: </b>
-represents the complement of <em>set</em>,
-where <em>set</em> is interpreted as above.
-</li>
-
-</ul><p>
-For all classes represented by single letters (<code>%a</code>, <code>%c</code>, etc.),
-the corresponding uppercase letter represents the complement of the class.
-For instance, <code>%S</code> represents all non-space characters.
-
-
-<p>
-The definitions of letter, space, and other character groups
-depend on the current locale.
-In particular, the class <code>[a-z]</code> may not be equivalent to <code>%l</code>.
-
-
-
-
-
-<h4>Pattern Item:</h4><p>
-A <em>pattern item</em> can be
-
-<ul>
-
-<li>
-a single character class,
-which matches any single character in the class;
-</li>
-
-<li>
-a single character class followed by '<code>*</code>',
-which matches zero or more repetitions of characters in the class.
-These repetition items will always match the longest possible sequence;
-</li>
-
-<li>
-a single character class followed by '<code>+</code>',
-which matches one or more repetitions of characters in the class.
-These repetition items will always match the longest possible sequence;
-</li>
-
-<li>
-a single character class followed by '<code>-</code>',
-which also matches zero or more repetitions of characters in the class.
-Unlike '<code>*</code>',
-these repetition items will always match the shortest possible sequence;
-</li>
-
-<li>
-a single character class followed by '<code>?</code>',
-which matches zero or one occurrence of a character in the class.
-It always matches one occurrence if possible;
-</li>
-
-<li>
-<code>%<em>n</em></code>, for <em>n</em> between 1 and 9;
-such item matches a substring equal to the <em>n</em>-th captured string
-(see below);
-</li>
-
-<li>
-<code>%b<em>xy</em></code>, where <em>x</em> and <em>y</em> are two distinct characters;
-such item matches strings that start with&nbsp;<em>x</em>, end with&nbsp;<em>y</em>,
-and where the <em>x</em> and <em>y</em> are <em>balanced</em>.
-This means that, if one reads the string from left to right,
-counting <em>+1</em> for an <em>x</em> and <em>-1</em> for a <em>y</em>,
-the ending <em>y</em> is the first <em>y</em> where the count reaches 0.
-For instance, the item <code>%b()</code> matches expressions with
-balanced parentheses.
-</li>
-
-<li>
-<code>%f[<em>set</em>]</code>, a <em>frontier pattern</em>;
-such item matches an empty string at any position such that
-the next character belongs to <em>set</em>
-and the previous character does not belong to <em>set</em>.
-The set <em>set</em> is interpreted as previously described.
-The beginning and the end of the subject are handled as if
-they were the character '<code>\0</code>'.
-</li>
-
-</ul>
-
-
-
-
-<h4>Pattern:</h4><p>
-A <em>pattern</em> is a sequence of pattern items.
-A caret '<code>^</code>' at the beginning of a pattern anchors the match at the
-beginning of the subject string.
-A '<code>$</code>' at the end of a pattern anchors the match at the
-end of the subject string.
-At other positions,
-'<code>^</code>' and '<code>$</code>' have no special meaning and represent themselves.
-
-
-
-
-
-<h4>Captures:</h4><p>
-A pattern can contain sub-patterns enclosed in parentheses;
-they describe <em>captures</em>.
-When a match succeeds, the substrings of the subject string
-that match captures are stored (<em>captured</em>) for future use.
-Captures are numbered according to their left parentheses.
-For instance, in the pattern <code>"(a*(.)%w(%s*))"</code>,
-the part of the string matching <code>"a*(.)%w(%s*)"</code> is
-stored as the first capture (and therefore has number&nbsp;1);
-the character matching "<code>.</code>" is captured with number&nbsp;2,
-and the part matching "<code>%s*</code>" has number&nbsp;3.
-
-
-<p>
-As a special case, the empty capture <code>()</code> captures
-the current string position (a number).
-For instance, if we apply the pattern <code>"()aa()"</code> on the
-string <code>"flaaap"</code>, there will be two captures: 3&nbsp;and&nbsp;5.
-
-
-
-
-
-
-
-<h3>6.4.2 &ndash; <a name="6.4.2">Format Strings for Pack and Unpack</a></h3>
-
-<p>
-The first argument to <a href="#pdf-string.pack"><code>string.pack</code></a>,
-<a href="#pdf-string.packsize"><code>string.packsize</code></a>, and <a href="#pdf-string.unpack"><code>string.unpack</code></a>
-is a format string,
-which describes the layout of the structure being created or read.
-
-
-<p>
-A format string is a sequence of conversion options.
-The conversion options are as follows:
-
-<ul>
-<li><b><code>&lt;</code>: </b>sets little endian</li>
-<li><b><code>&gt;</code>: </b>sets big endian</li>
-<li><b><code>=</code>: </b>sets native endian</li>
-<li><b><code>![<em>n</em>]</code>: </b>sets maximum alignment to <code>n</code>
-(default is native alignment)</li>
-<li><b><code>b</code>: </b>a signed byte (<code>char</code>)</li>
-<li><b><code>B</code>: </b>an unsigned byte (<code>char</code>)</li>
-<li><b><code>h</code>: </b>a signed <code>short</code> (native size)</li>
-<li><b><code>H</code>: </b>an unsigned <code>short</code> (native size)</li>
-<li><b><code>l</code>: </b>a signed <code>long</code> (native size)</li>
-<li><b><code>L</code>: </b>an unsigned <code>long</code> (native size)</li>
-<li><b><code>j</code>: </b>a <code>lua_Integer</code></li>
-<li><b><code>J</code>: </b>a <code>lua_Unsigned</code></li>
-<li><b><code>T</code>: </b>a <code>size_t</code> (native size)</li>
-<li><b><code>i[<em>n</em>]</code>: </b>a signed <code>int</code> with <code>n</code> bytes
-(default is native size)</li>
-<li><b><code>I[<em>n</em>]</code>: </b>an unsigned <code>int</code> with <code>n</code> bytes
-(default is native size)</li>
-<li><b><code>f</code>: </b>a <code>float</code> (native size)</li>
-<li><b><code>d</code>: </b>a <code>double</code> (native size)</li>
-<li><b><code>n</code>: </b>a <code>lua_Number</code></li>
-<li><b><code>c<em>n</em></code>: </b>a fixed-sized string with <code>n</code> bytes</li>
-<li><b><code>z</code>: </b>a zero-terminated string</li>
-<li><b><code>s[<em>n</em>]</code>: </b>a string preceded by its length
-coded as an unsigned integer with <code>n</code> bytes
-(default is a <code>size_t</code>)</li>
-<li><b><code>x</code>: </b>one byte of padding</li>
-<li><b><code>X<em>op</em></code>: </b>an empty item that aligns
-according to option <code>op</code>
-(which is otherwise ignored)</li>
-<li><b>'<code> </code>': </b>(empty space) ignored</li>
-</ul><p>
-(A "<code>[<em>n</em>]</code>" means an optional integral numeral.)
-Except for padding, spaces, and configurations
-(options "<code>xX &lt;=&gt;!</code>"),
-each option corresponds to an argument (in <a href="#pdf-string.pack"><code>string.pack</code></a>)
-or a result (in <a href="#pdf-string.unpack"><code>string.unpack</code></a>).
-
-
-<p>
-For options "<code>!<em>n</em></code>", "<code>s<em>n</em></code>", "<code>i<em>n</em></code>", and "<code>I<em>n</em></code>",
-<code>n</code> can be any integer between 1 and 16.
-All integral options check overflows;
-<a href="#pdf-string.pack"><code>string.pack</code></a> checks whether the given value fits in the given size;
-<a href="#pdf-string.unpack"><code>string.unpack</code></a> checks whether the read value fits in a Lua integer.
-
-
-<p>
-Any format string starts as if prefixed by "<code>!1=</code>",
-that is,
-with maximum alignment of 1 (no alignment)
-and native endianness.
-
-
-<p>
-Alignment works as follows:
-For each option,
-the format gets extra padding until the data starts
-at an offset that is a multiple of the minimum between the
-option size and the maximum alignment;
-this minimum must be a power of 2.
-Options "<code>c</code>" and "<code>z</code>" are not aligned;
-option "<code>s</code>" follows the alignment of its starting integer.
-
-
-<p>
-All padding is filled with zeros by <a href="#pdf-string.pack"><code>string.pack</code></a>
-(and ignored by <a href="#pdf-string.unpack"><code>string.unpack</code></a>).
-
-
-
-
-
-
-
-<h2>6.5 &ndash; <a name="6.5">UTF-8 Support</a></h2>
-
-<p>
-This library provides basic support for UTF-8 encoding.
-It provides all its functions inside the table <a name="pdf-utf8"><code>utf8</code></a>.
-This library does not provide any support for Unicode other
-than the handling of the encoding.
-Any operation that needs the meaning of a character,
-such as character classification, is outside its scope.
-
-
-<p>
-Unless stated otherwise,
-all functions that expect a byte position as a parameter
-assume that the given position is either the start of a byte sequence
-or one plus the length of the subject string.
-As in the string library,
-negative indices count from the end of the string.
-
-
-<p>
-<hr><h3><a name="pdf-utf8.char"><code>utf8.char (&middot;&middot;&middot;)</code></a></h3>
-Receives zero or more integers,
-converts each one to its corresponding UTF-8 byte sequence
-and returns a string with the concatenation of all these sequences.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-utf8.charpattern"><code>utf8.charpattern</code></a></h3>
-The pattern (a string, not a function) "<code>[\0-\x7F\xC2-\xF4][\x80-\xBF]*</code>"
-(see <a href="#6.4.1">&sect;6.4.1</a>),
-which matches exactly one UTF-8 byte sequence,
-assuming that the subject is a valid UTF-8 string.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-utf8.codes"><code>utf8.codes (s)</code></a></h3>
-
-
-<p>
-Returns values so that the construction
-
-<pre>
- for p, c in utf8.codes(s) do <em>body</em> end
-</pre><p>
-will iterate over all characters in string <code>s</code>,
-with <code>p</code> being the position (in bytes) and <code>c</code> the code point
-of each character.
-It raises an error if it meets any invalid byte sequence.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-utf8.codepoint"><code>utf8.codepoint (s [, i [, j]])</code></a></h3>
-Returns the codepoints (as integers) from all characters in <code>s</code>
-that start between byte position <code>i</code> and <code>j</code> (both included).
-The default for <code>i</code> is 1 and for <code>j</code> is <code>i</code>.
-It raises an error if it meets any invalid byte sequence.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-utf8.len"><code>utf8.len (s [, i [, j]])</code></a></h3>
-Returns the number of UTF-8 characters in string <code>s</code>
-that start between positions <code>i</code> and <code>j</code> (both inclusive).
-The default for <code>i</code> is 1 and for <code>j</code> is -1.
-If it finds any invalid byte sequence,
-returns a false value plus the position of the first invalid byte.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-utf8.offset"><code>utf8.offset (s, n [, i])</code></a></h3>
-Returns the position (in bytes) where the encoding of the
-<code>n</code>-th character of <code>s</code>
-(counting from position <code>i</code>) starts.
-A negative <code>n</code> gets characters before position <code>i</code>.
-The default for <code>i</code> is 1 when <code>n</code> is non-negative
-and <code>#s + 1</code> otherwise,
-so that <code>utf8.offset(s, -n)</code> gets the offset of the
-<code>n</code>-th character from the end of the string.
-If the specified character is neither in the subject
-nor right after its end,
-the function returns <b>nil</b>.
-
-
-<p>
-As a special case,
-when <code>n</code> is 0 the function returns the start of the encoding
-of the character that contains the <code>i</code>-th byte of <code>s</code>.
-
-
-<p>
-This function assumes that <code>s</code> is a valid UTF-8 string.
-
-
-
-
-
-
-
-<h2>6.6 &ndash; <a name="6.6">Table Manipulation</a></h2>
-
-<p>
-This library provides generic functions for table manipulation.
-It provides all its functions inside the table <a name="pdf-table"><code>table</code></a>.
-
-
-<p>
-Remember that, whenever an operation needs the length of a table,
-all caveats about the length operator apply (see <a href="#3.4.7">&sect;3.4.7</a>).
-All functions ignore non-numeric keys
-in the tables given as arguments.
-
-
-<p>
-<hr><h3><a name="pdf-table.concat"><code>table.concat (list [, sep [, i [, j]]])</code></a></h3>
-
-
-<p>
-Given a list where all elements are strings or numbers,
-returns the string <code>list[i]..sep..list[i+1] &middot;&middot;&middot; sep..list[j]</code>.
-The default value for <code>sep</code> is the empty string,
-the default for <code>i</code> is 1,
-and the default for <code>j</code> is <code>#list</code>.
-If <code>i</code> is greater than <code>j</code>, returns the empty string.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-table.insert"><code>table.insert (list, [pos,] value)</code></a></h3>
-
-
-<p>
-Inserts element <code>value</code> at position <code>pos</code> in <code>list</code>,
-shifting up the elements
-<code>list[pos], list[pos+1], &middot;&middot;&middot;, list[#list]</code>.
-The default value for <code>pos</code> is <code>#list+1</code>,
-so that a call <code>table.insert(t,x)</code> inserts <code>x</code> at the end
-of list <code>t</code>.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-table.move"><code>table.move (a1, f, e, t [,a2])</code></a></h3>
-
-
-<p>
-Moves elements from table <code>a1</code> to table <code>a2</code>,
-performing the equivalent to the following
-multiple assignment:
-<code>a2[t],&middot;&middot;&middot; = a1[f],&middot;&middot;&middot;,a1[e]</code>.
-The default for <code>a2</code> is <code>a1</code>.
-The destination range can overlap with the source range.
-The number of elements to be moved must fit in a Lua integer.
-
-
-<p>
-Returns the destination table <code>a2</code>.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-table.pack"><code>table.pack (&middot;&middot;&middot;)</code></a></h3>
-
-
-<p>
-Returns a new table with all arguments stored into keys 1, 2, etc.
-and with a field "<code>n</code>" with the total number of arguments.
-Note that the resulting table may not be a sequence.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-table.remove"><code>table.remove (list [, pos])</code></a></h3>
-
-
-<p>
-Removes from <code>list</code> the element at position <code>pos</code>,
-returning the value of the removed element.
-When <code>pos</code> is an integer between 1 and <code>#list</code>,
-it shifts down the elements
-<code>list[pos+1], list[pos+2], &middot;&middot;&middot;, list[#list]</code>
-and erases element <code>list[#list]</code>;
-The index <code>pos</code> can also be 0 when <code>#list</code> is 0,
-or <code>#list + 1</code>;
-in those cases, the function erases the element <code>list[pos]</code>.
-
-
-<p>
-The default value for <code>pos</code> is <code>#list</code>,
-so that a call <code>table.remove(l)</code> removes the last element
-of list <code>l</code>.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-table.sort"><code>table.sort (list [, comp])</code></a></h3>
-
-
-<p>
-Sorts list elements in a given order, <em>in-place</em>,
-from <code>list[1]</code> to <code>list[#list]</code>.
-If <code>comp</code> is given,
-then it must be a function that receives two list elements
-and returns true when the first element must come
-before the second in the final order
-(so that, after the sort,
-<code>i &lt; j</code> implies <code>not comp(list[j],list[i])</code>).
-If <code>comp</code> is not given,
-then the standard Lua operator <code>&lt;</code> is used instead.
-
-
-<p>
-Note that the <code>comp</code> function must define
-a strict partial order over the elements in the list;
-that is, it must be asymmetric and transitive.
-Otherwise, no valid sort may be possible.
-
-
-<p>
-The sort algorithm is not stable:
-elements considered equal by the given order
-may have their relative positions changed by the sort.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-table.unpack"><code>table.unpack (list [, i [, j]])</code></a></h3>
-
-
-<p>
-Returns the elements from the given list.
-This function is equivalent to
-
-<pre>
- return list[i], list[i+1], &middot;&middot;&middot;, list[j]
-</pre><p>
-By default, <code>i</code> is&nbsp;1 and <code>j</code> is <code>#list</code>.
-
-
-
-
-
-
-
-<h2>6.7 &ndash; <a name="6.7">Mathematical Functions</a></h2>
-
-<p>
-This library provides basic mathematical functions.
-It provides all its functions and constants inside the table <a name="pdf-math"><code>math</code></a>.
-Functions with the annotation "<code>integer/float</code>" give
-integer results for integer arguments
-and float results for float (or mixed) arguments.
-Rounding functions
-(<a href="#pdf-math.ceil"><code>math.ceil</code></a>, <a href="#pdf-math.floor"><code>math.floor</code></a>, and <a href="#pdf-math.modf"><code>math.modf</code></a>)
-return an integer when the result fits in the range of an integer,
-or a float otherwise.
-
-
-<p>
-<hr><h3><a name="pdf-math.abs"><code>math.abs (x)</code></a></h3>
-
-
-<p>
-Returns the absolute value of <code>x</code>. (integer/float)
-
-
-
-
-<p>
-<hr><h3><a name="pdf-math.acos"><code>math.acos (x)</code></a></h3>
-
-
-<p>
-Returns the arc cosine of <code>x</code> (in radians).
-
-
-
-
-<p>
-<hr><h3><a name="pdf-math.asin"><code>math.asin (x)</code></a></h3>
-
-
-<p>
-Returns the arc sine of <code>x</code> (in radians).
-
-
-
-
-<p>
-<hr><h3><a name="pdf-math.atan"><code>math.atan (y [, x])</code></a></h3>
-
-
-<p>
-
-Returns the arc tangent of <code>y/x</code> (in radians),
-but uses the signs of both arguments to find the
-quadrant of the result.
-(It also handles correctly the case of <code>x</code> being zero.)
-
-
-<p>
-The default value for <code>x</code> is 1,
-so that the call <code>math.atan(y)</code>
-returns the arc tangent of <code>y</code>.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-math.ceil"><code>math.ceil (x)</code></a></h3>
-
-
-<p>
-Returns the smallest integral value larger than or equal to <code>x</code>.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-math.cos"><code>math.cos (x)</code></a></h3>
-
-
-<p>
-Returns the cosine of <code>x</code> (assumed to be in radians).
-
-
-
-
-<p>
-<hr><h3><a name="pdf-math.deg"><code>math.deg (x)</code></a></h3>
-
-
-<p>
-Converts the angle <code>x</code> from radians to degrees.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-math.exp"><code>math.exp (x)</code></a></h3>
-
-
-<p>
-Returns the value <em>e<sup>x</sup></em>
-(where <code>e</code> is the base of natural logarithms).
-
-
-
-
-<p>
-<hr><h3><a name="pdf-math.floor"><code>math.floor (x)</code></a></h3>
-
-
-<p>
-Returns the largest integral value smaller than or equal to <code>x</code>.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-math.fmod"><code>math.fmod (x, y)</code></a></h3>
-
-
-<p>
-Returns the remainder of the division of <code>x</code> by <code>y</code>
-that rounds the quotient towards zero. (integer/float)
-
-
-
-
-<p>
-<hr><h3><a name="pdf-math.huge"><code>math.huge</code></a></h3>
-
-
-<p>
-The float value <code>HUGE_VAL</code>,
-a value larger than any other numeric value.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-math.log"><code>math.log (x [, base])</code></a></h3>
-
-
-<p>
-Returns the logarithm of <code>x</code> in the given base.
-The default for <code>base</code> is <em>e</em>
-(so that the function returns the natural logarithm of <code>x</code>).
-
-
-
-
-<p>
-<hr><h3><a name="pdf-math.max"><code>math.max (x, &middot;&middot;&middot;)</code></a></h3>
-
-
-<p>
-Returns the argument with the maximum value,
-according to the Lua operator <code>&lt;</code>. (integer/float)
-
-
-
-
-<p>
-<hr><h3><a name="pdf-math.maxinteger"><code>math.maxinteger</code></a></h3>
-An integer with the maximum value for an integer.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-math.min"><code>math.min (x, &middot;&middot;&middot;)</code></a></h3>
-
-
-<p>
-Returns the argument with the minimum value,
-according to the Lua operator <code>&lt;</code>. (integer/float)
-
-
-
-
-<p>
-<hr><h3><a name="pdf-math.mininteger"><code>math.mininteger</code></a></h3>
-An integer with the minimum value for an integer.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-math.modf"><code>math.modf (x)</code></a></h3>
-
-
-<p>
-Returns the integral part of <code>x</code> and the fractional part of <code>x</code>.
-Its second result is always a float.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-math.pi"><code>math.pi</code></a></h3>
-
-
-<p>
-The value of <em>&pi;</em>.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-math.rad"><code>math.rad (x)</code></a></h3>
-
-
-<p>
-Converts the angle <code>x</code> from degrees to radians.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-math.random"><code>math.random ([m [, n]])</code></a></h3>
-
-
-<p>
-When called without arguments,
-returns a pseudo-random float with uniform distribution
-in the range <em>[0,1)</em>.
-When called with two integers <code>m</code> and <code>n</code>,
-<code>math.random</code> returns a pseudo-random integer
-with uniform distribution in the range <em>[m, n]</em>.
-(The value <em>n-m</em> cannot be negative and must fit in a Lua integer.)
-The call <code>math.random(n)</code> is equivalent to <code>math.random(1,n)</code>.
-
-
-<p>
-This function is an interface to the underling
-pseudo-random generator function provided by C.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-math.randomseed"><code>math.randomseed (x)</code></a></h3>
-
-
-<p>
-Sets <code>x</code> as the "seed"
-for the pseudo-random generator:
-equal seeds produce equal sequences of numbers.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-math.sin"><code>math.sin (x)</code></a></h3>
-
-
-<p>
-Returns the sine of <code>x</code> (assumed to be in radians).
-
-
-
-
-<p>
-<hr><h3><a name="pdf-math.sqrt"><code>math.sqrt (x)</code></a></h3>
-
-
-<p>
-Returns the square root of <code>x</code>.
-(You can also use the expression <code>x^0.5</code> to compute this value.)
-
-
-
-
-<p>
-<hr><h3><a name="pdf-math.tan"><code>math.tan (x)</code></a></h3>
-
-
-<p>
-Returns the tangent of <code>x</code> (assumed to be in radians).
-
-
-
-
-<p>
-<hr><h3><a name="pdf-math.tointeger"><code>math.tointeger (x)</code></a></h3>
-
-
-<p>
-If the value <code>x</code> is convertible to an integer,
-returns that integer.
-Otherwise, returns <b>nil</b>.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-math.type"><code>math.type (x)</code></a></h3>
-
-
-<p>
-Returns "<code>integer</code>" if <code>x</code> is an integer,
-"<code>float</code>" if it is a float,
-or <b>nil</b> if <code>x</code> is not a number.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-math.ult"><code>math.ult (m, n)</code></a></h3>
-
-
-<p>
-Returns a boolean,
-true if and only if integer <code>m</code> is below integer <code>n</code> when
-they are compared as unsigned integers.
-
-
-
-
-
-
-
-<h2>6.8 &ndash; <a name="6.8">Input and Output Facilities</a></h2>
-
-<p>
-The I/O library provides two different styles for file manipulation.
-The first one uses implicit file handles;
-that is, there are operations to set a default input file and a
-default output file,
-and all input/output operations are over these default files.
-The second style uses explicit file handles.
-
-
-<p>
-When using implicit file handles,
-all operations are supplied by table <a name="pdf-io"><code>io</code></a>.
-When using explicit file handles,
-the operation <a href="#pdf-io.open"><code>io.open</code></a> returns a file handle
-and then all operations are supplied as methods of the file handle.
-
-
-<p>
-The table <code>io</code> also provides
-three predefined file handles with their usual meanings from C:
-<a name="pdf-io.stdin"><code>io.stdin</code></a>, <a name="pdf-io.stdout"><code>io.stdout</code></a>, and <a name="pdf-io.stderr"><code>io.stderr</code></a>.
-The I/O library never closes these files.
-
-
-<p>
-Unless otherwise stated,
-all I/O functions return <b>nil</b> on failure
-(plus an error message as a second result and
-a system-dependent error code as a third result)
-and some value different from <b>nil</b> on success.
-In non-POSIX systems,
-the computation of the error message and error code
-in case of errors
-may be not thread safe,
-because they rely on the global C variable <code>errno</code>.
-
-
-<p>
-<hr><h3><a name="pdf-io.close"><code>io.close ([file])</code></a></h3>
-
-
-<p>
-Equivalent to <code>file:close()</code>.
-Without a <code>file</code>, closes the default output file.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-io.flush"><code>io.flush ()</code></a></h3>
-
-
-<p>
-Equivalent to <code>io.output():flush()</code>.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-io.input"><code>io.input ([file])</code></a></h3>
-
-
-<p>
-When called with a file name, it opens the named file (in text mode),
-and sets its handle as the default input file.
-When called with a file handle,
-it simply sets this file handle as the default input file.
-When called without arguments,
-it returns the current default input file.
-
-
-<p>
-In case of errors this function raises the error,
-instead of returning an error code.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-io.lines"><code>io.lines ([filename, &middot;&middot;&middot;])</code></a></h3>
-
-
-<p>
-Opens the given file name in read mode
-and returns an iterator function that
-works like <code>file:lines(&middot;&middot;&middot;)</code> over the opened file.
-When the iterator function detects the end of file,
-it returns no values (to finish the loop) and automatically closes the file.
-
-
-<p>
-The call <code>io.lines()</code> (with no file name) is equivalent
-to <code>io.input():lines("*l")</code>;
-that is, it iterates over the lines of the default input file.
-In this case, the iterator does not close the file when the loop ends.
-
-
-<p>
-In case of errors this function raises the error,
-instead of returning an error code.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-io.open"><code>io.open (filename [, mode])</code></a></h3>
-
-
-<p>
-This function opens a file,
-in the mode specified in the string <code>mode</code>.
-In case of success,
-it returns a new file handle.
-
-
-<p>
-The <code>mode</code> string can be any of the following:
-
-<ul>
-<li><b>"<code>r</code>": </b> read mode (the default);</li>
-<li><b>"<code>w</code>": </b> write mode;</li>
-<li><b>"<code>a</code>": </b> append mode;</li>
-<li><b>"<code>r+</code>": </b> update mode, all previous data is preserved;</li>
-<li><b>"<code>w+</code>": </b> update mode, all previous data is erased;</li>
-<li><b>"<code>a+</code>": </b> append update mode, previous data is preserved,
- writing is only allowed at the end of file.</li>
-</ul><p>
-The <code>mode</code> string can also have a '<code>b</code>' at the end,
-which is needed in some systems to open the file in binary mode.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-io.output"><code>io.output ([file])</code></a></h3>
-
-
-<p>
-Similar to <a href="#pdf-io.input"><code>io.input</code></a>, but operates over the default output file.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-io.popen"><code>io.popen (prog [, mode])</code></a></h3>
-
-
-<p>
-This function is system dependent and is not available
-on all platforms.
-
-
-<p>
-Starts program <code>prog</code> in a separated process and returns
-a file handle that you can use to read data from this program
-(if <code>mode</code> is <code>"r"</code>, the default)
-or to write data to this program
-(if <code>mode</code> is <code>"w"</code>).
-
-
-
-
-<p>
-<hr><h3><a name="pdf-io.read"><code>io.read (&middot;&middot;&middot;)</code></a></h3>
-
-
-<p>
-Equivalent to <code>io.input():read(&middot;&middot;&middot;)</code>.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-io.tmpfile"><code>io.tmpfile ()</code></a></h3>
-
-
-<p>
-In case of success,
-returns a handle for a temporary file.
-This file is opened in update mode
-and it is automatically removed when the program ends.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-io.type"><code>io.type (obj)</code></a></h3>
-
-
-<p>
-Checks whether <code>obj</code> is a valid file handle.
-Returns the string <code>"file"</code> if <code>obj</code> is an open file handle,
-<code>"closed file"</code> if <code>obj</code> is a closed file handle,
-or <b>nil</b> if <code>obj</code> is not a file handle.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-io.write"><code>io.write (&middot;&middot;&middot;)</code></a></h3>
-
-
-<p>
-Equivalent to <code>io.output():write(&middot;&middot;&middot;)</code>.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-file:close"><code>file:close ()</code></a></h3>
-
-
-<p>
-Closes <code>file</code>.
-Note that files are automatically closed when
-their handles are garbage collected,
-but that takes an unpredictable amount of time to happen.
-
-
-<p>
-When closing a file handle created with <a href="#pdf-io.popen"><code>io.popen</code></a>,
-<a href="#pdf-file:close"><code>file:close</code></a> returns the same values
-returned by <a href="#pdf-os.execute"><code>os.execute</code></a>.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-file:flush"><code>file:flush ()</code></a></h3>
-
-
-<p>
-Saves any written data to <code>file</code>.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-file:lines"><code>file:lines (&middot;&middot;&middot;)</code></a></h3>
-
-
-<p>
-Returns an iterator function that,
-each time it is called,
-reads the file according to the given formats.
-When no format is given,
-uses "<code>l</code>" as a default.
-As an example, the construction
-
-<pre>
- for c in file:lines(1) do <em>body</em> end
-</pre><p>
-will iterate over all characters of the file,
-starting at the current position.
-Unlike <a href="#pdf-io.lines"><code>io.lines</code></a>, this function does not close the file
-when the loop ends.
-
-
-<p>
-In case of errors this function raises the error,
-instead of returning an error code.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-file:read"><code>file:read (&middot;&middot;&middot;)</code></a></h3>
-
-
-<p>
-Reads the file <code>file</code>,
-according to the given formats, which specify what to read.
-For each format,
-the function returns a string or a number with the characters read,
-or <b>nil</b> if it cannot read data with the specified format.
-(In this latter case,
-the function does not read subsequent formats.)
-When called without formats,
-it uses a default format that reads the next line
-(see below).
-
-
-<p>
-The available formats are
-
-<ul>
-
-<li><b>"<code>n</code>": </b>
-reads a numeral and returns it as a float or an integer,
-following the lexical conventions of Lua.
-(The numeral may have leading spaces and a sign.)
-This format always reads the longest input sequence that
-is a valid prefix for a numeral;
-if that prefix does not form a valid numeral
-(e.g., an empty string, "<code>0x</code>", or "<code>3.4e-</code>"),
-it is discarded and the function returns <b>nil</b>.
-</li>
-
-<li><b>"<code>a</code>": </b>
-reads the whole file, starting at the current position.
-On end of file, it returns the empty string.
-</li>
-
-<li><b>"<code>l</code>": </b>
-reads the next line skipping the end of line,
-returning <b>nil</b> on end of file.
-This is the default format.
-</li>
-
-<li><b>"<code>L</code>": </b>
-reads the next line keeping the end-of-line character (if present),
-returning <b>nil</b> on end of file.
-</li>
-
-<li><b><em>number</em>: </b>
-reads a string with up to this number of bytes,
-returning <b>nil</b> on end of file.
-If <code>number</code> is zero,
-it reads nothing and returns an empty string,
-or <b>nil</b> on end of file.
-</li>
-
-</ul><p>
-The formats "<code>l</code>" and "<code>L</code>" should be used only for text files.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-file:seek"><code>file:seek ([whence [, offset]])</code></a></h3>
-
-
-<p>
-Sets and gets the file position,
-measured from the beginning of the file,
-to the position given by <code>offset</code> plus a base
-specified by the string <code>whence</code>, as follows:
-
-<ul>
-<li><b>"<code>set</code>": </b> base is position 0 (beginning of the file);</li>
-<li><b>"<code>cur</code>": </b> base is current position;</li>
-<li><b>"<code>end</code>": </b> base is end of file;</li>
-</ul><p>
-In case of success, <code>seek</code> returns the final file position,
-measured in bytes from the beginning of the file.
-If <code>seek</code> fails, it returns <b>nil</b>,
-plus a string describing the error.
-
-
-<p>
-The default value for <code>whence</code> is <code>"cur"</code>,
-and for <code>offset</code> is 0.
-Therefore, the call <code>file:seek()</code> returns the current
-file position, without changing it;
-the call <code>file:seek("set")</code> sets the position to the
-beginning of the file (and returns 0);
-and the call <code>file:seek("end")</code> sets the position to the
-end of the file, and returns its size.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-file:setvbuf"><code>file:setvbuf (mode [, size])</code></a></h3>
-
-
-<p>
-Sets the buffering mode for an output file.
-There are three available modes:
-
-<ul>
-
-<li><b>"<code>no</code>": </b>
-no buffering; the result of any output operation appears immediately.
-</li>
-
-<li><b>"<code>full</code>": </b>
-full buffering; output operation is performed only
-when the buffer is full or when
-you explicitly <code>flush</code> the file (see <a href="#pdf-io.flush"><code>io.flush</code></a>).
-</li>
-
-<li><b>"<code>line</code>": </b>
-line buffering; output is buffered until a newline is output
-or there is any input from some special files
-(such as a terminal device).
-</li>
-
-</ul><p>
-For the last two cases, <code>size</code>
-specifies the size of the buffer, in bytes.
-The default is an appropriate size.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-file:write"><code>file:write (&middot;&middot;&middot;)</code></a></h3>
-
-
-<p>
-Writes the value of each of its arguments to <code>file</code>.
-The arguments must be strings or numbers.
-
-
-<p>
-In case of success, this function returns <code>file</code>.
-Otherwise it returns <b>nil</b> plus a string describing the error.
-
-
-
-
-
-
-
-<h2>6.9 &ndash; <a name="6.9">Operating System Facilities</a></h2>
-
-<p>
-This library is implemented through table <a name="pdf-os"><code>os</code></a>.
-
-
-<p>
-<hr><h3><a name="pdf-os.clock"><code>os.clock ()</code></a></h3>
-
-
-<p>
-Returns an approximation of the amount in seconds of CPU time
-used by the program.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-os.date"><code>os.date ([format [, time]])</code></a></h3>
-
-
-<p>
-Returns a string or a table containing date and time,
-formatted according to the given string <code>format</code>.
-
-
-<p>
-If the <code>time</code> argument is present,
-this is the time to be formatted
-(see the <a href="#pdf-os.time"><code>os.time</code></a> function for a description of this value).
-Otherwise, <code>date</code> formats the current time.
-
-
-<p>
-If <code>format</code> starts with '<code>!</code>',
-then the date is formatted in Coordinated Universal Time.
-After this optional character,
-if <code>format</code> is the string "<code>*t</code>",
-then <code>date</code> returns a table with the following fields:
-<code>year</code>, <code>month</code> (1&ndash;12), <code>day</code> (1&ndash;31),
-<code>hour</code> (0&ndash;23), <code>min</code> (0&ndash;59), <code>sec</code> (0&ndash;61),
-<code>wday</code> (weekday, 1&ndash;7, Sunday is&nbsp;1),
-<code>yday</code> (day of the year, 1&ndash;366),
-and <code>isdst</code> (daylight saving flag, a boolean).
-This last field may be absent
-if the information is not available.
-
-
-<p>
-If <code>format</code> is not "<code>*t</code>",
-then <code>date</code> returns the date as a string,
-formatted according to the same rules as the ISO&nbsp;C function <code>strftime</code>.
-
-
-<p>
-When called without arguments,
-<code>date</code> returns a reasonable date and time representation that depends on
-the host system and on the current locale.
-(More specifically, <code>os.date()</code> is equivalent to <code>os.date("%c")</code>.)
-
-
-<p>
-In non-POSIX systems,
-this function may be not thread safe
-because of its reliance on C&nbsp;function <code>gmtime</code> and C&nbsp;function <code>localtime</code>.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-os.difftime"><code>os.difftime (t2, t1)</code></a></h3>
-
-
-<p>
-Returns the difference, in seconds,
-from time <code>t1</code> to time <code>t2</code>
-(where the times are values returned by <a href="#pdf-os.time"><code>os.time</code></a>).
-In POSIX, Windows, and some other systems,
-this value is exactly <code>t2</code><em>-</em><code>t1</code>.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-os.execute"><code>os.execute ([command])</code></a></h3>
-
-
-<p>
-This function is equivalent to the ISO&nbsp;C function <code>system</code>.
-It passes <code>command</code> to be executed by an operating system shell.
-Its first result is <b>true</b>
-if the command terminated successfully,
-or <b>nil</b> otherwise.
-After this first result
-the function returns a string plus a number,
-as follows:
-
-<ul>
-
-<li><b>"<code>exit</code>": </b>
-the command terminated normally;
-the following number is the exit status of the command.
-</li>
-
-<li><b>"<code>signal</code>": </b>
-the command was terminated by a signal;
-the following number is the signal that terminated the command.
-</li>
-
-</ul>
-
-<p>
-When called without a <code>command</code>,
-<code>os.execute</code> returns a boolean that is true if a shell is available.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-os.exit"><code>os.exit ([code [, close]])</code></a></h3>
-
-
-<p>
-Calls the ISO&nbsp;C function <code>exit</code> to terminate the host program.
-If <code>code</code> is <b>true</b>,
-the returned status is <code>EXIT_SUCCESS</code>;
-if <code>code</code> is <b>false</b>,
-the returned status is <code>EXIT_FAILURE</code>;
-if <code>code</code> is a number,
-the returned status is this number.
-The default value for <code>code</code> is <b>true</b>.
-
-
-<p>
-If the optional second argument <code>close</code> is true,
-closes the Lua state before exiting.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-os.getenv"><code>os.getenv (varname)</code></a></h3>
-
-
-<p>
-Returns the value of the process environment variable <code>varname</code>,
-or <b>nil</b> if the variable is not defined.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-os.remove"><code>os.remove (filename)</code></a></h3>
-
-
-<p>
-Deletes the file (or empty directory, on POSIX systems)
-with the given name.
-If this function fails, it returns <b>nil</b>,
-plus a string describing the error and the error code.
-Otherwise, it returns true.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-os.rename"><code>os.rename (oldname, newname)</code></a></h3>
-
-
-<p>
-Renames the file or directory named <code>oldname</code> to <code>newname</code>.
-If this function fails, it returns <b>nil</b>,
-plus a string describing the error and the error code.
-Otherwise, it returns true.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-os.setlocale"><code>os.setlocale (locale [, category])</code></a></h3>
-
-
-<p>
-Sets the current locale of the program.
-<code>locale</code> is a system-dependent string specifying a locale;
-<code>category</code> is an optional string describing which category to change:
-<code>"all"</code>, <code>"collate"</code>, <code>"ctype"</code>,
-<code>"monetary"</code>, <code>"numeric"</code>, or <code>"time"</code>;
-the default category is <code>"all"</code>.
-The function returns the name of the new locale,
-or <b>nil</b> if the request cannot be honored.
-
-
-<p>
-If <code>locale</code> is the empty string,
-the current locale is set to an implementation-defined native locale.
-If <code>locale</code> is the string "<code>C</code>",
-the current locale is set to the standard C locale.
-
-
-<p>
-When called with <b>nil</b> as the first argument,
-this function only returns the name of the current locale
-for the given category.
-
-
-<p>
-This function may be not thread safe
-because of its reliance on C&nbsp;function <code>setlocale</code>.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-os.time"><code>os.time ([table])</code></a></h3>
-
-
-<p>
-Returns the current time when called without arguments,
-or a time representing the local date and time specified by the given table.
-This table must have fields <code>year</code>, <code>month</code>, and <code>day</code>,
-and may have fields
-<code>hour</code> (default is 12),
-<code>min</code> (default is 0),
-<code>sec</code> (default is 0),
-and <code>isdst</code> (default is <b>nil</b>).
-Other fields are ignored.
-For a description of these fields, see the <a href="#pdf-os.date"><code>os.date</code></a> function.
-
-
-<p>
-The values in these fields do not need to be inside their valid ranges.
-For instance, if <code>sec</code> is -10,
-it means -10 seconds from the time specified by the other fields;
-if <code>hour</code> is 1000,
-it means +1000 hours from the time specified by the other fields.
-
-
-<p>
-The returned value is a number, whose meaning depends on your system.
-In POSIX, Windows, and some other systems,
-this number counts the number
-of seconds since some given start time (the "epoch").
-In other systems, the meaning is not specified,
-and the number returned by <code>time</code> can be used only as an argument to
-<a href="#pdf-os.date"><code>os.date</code></a> and <a href="#pdf-os.difftime"><code>os.difftime</code></a>.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-os.tmpname"><code>os.tmpname ()</code></a></h3>
-
-
-<p>
-Returns a string with a file name that can
-be used for a temporary file.
-The file must be explicitly opened before its use
-and explicitly removed when no longer needed.
-
-
-<p>
-In POSIX systems,
-this function also creates a file with that name,
-to avoid security risks.
-(Someone else might create the file with wrong permissions
-in the time between getting the name and creating the file.)
-You still have to open the file to use it
-and to remove it (even if you do not use it).
-
-
-<p>
-When possible,
-you may prefer to use <a href="#pdf-io.tmpfile"><code>io.tmpfile</code></a>,
-which automatically removes the file when the program ends.
-
-
-
-
-
-
-
-<h2>6.10 &ndash; <a name="6.10">The Debug Library</a></h2>
-
-<p>
-This library provides
-the functionality of the debug interface (<a href="#4.9">&sect;4.9</a>) to Lua programs.
-You should exert care when using this library.
-Several of its functions
-violate basic assumptions about Lua code
-(e.g., that variables local to a function
-cannot be accessed from outside;
-that userdata metatables cannot be changed by Lua code;
-that Lua programs do not crash)
-and therefore can compromise otherwise secure code.
-Moreover, some functions in this library may be slow.
-
-
-<p>
-All functions in this library are provided
-inside the <a name="pdf-debug"><code>debug</code></a> table.
-All functions that operate over a thread
-have an optional first argument which is the
-thread to operate over.
-The default is always the current thread.
-
-
-<p>
-<hr><h3><a name="pdf-debug.debug"><code>debug.debug ()</code></a></h3>
-
-
-<p>
-Enters an interactive mode with the user,
-running each string that the user enters.
-Using simple commands and other debug facilities,
-the user can inspect global and local variables,
-change their values, evaluate expressions, and so on.
-A line containing only the word <code>cont</code> finishes this function,
-so that the caller continues its execution.
-
-
-<p>
-Note that commands for <code>debug.debug</code> are not lexically nested
-within any function and so have no direct access to local variables.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-debug.gethook"><code>debug.gethook ([thread])</code></a></h3>
-
-
-<p>
-Returns the current hook settings of the thread, as three values:
-the current hook function, the current hook mask,
-and the current hook count
-(as set by the <a href="#pdf-debug.sethook"><code>debug.sethook</code></a> function).
-
-
-
-
-<p>
-<hr><h3><a name="pdf-debug.getinfo"><code>debug.getinfo ([thread,] f [, what])</code></a></h3>
-
-
-<p>
-Returns a table with information about a function.
-You can give the function directly
-or you can give a number as the value of <code>f</code>,
-which means the function running at level <code>f</code> of the call stack
-of the given thread:
-level&nbsp;0 is the current function (<code>getinfo</code> itself);
-level&nbsp;1 is the function that called <code>getinfo</code>
-(except for tail calls, which do not count on the stack);
-and so on.
-If <code>f</code> is a number larger than the number of active functions,
-then <code>getinfo</code> returns <b>nil</b>.
-
-
-<p>
-The returned table can contain all the fields returned by <a href="#lua_getinfo"><code>lua_getinfo</code></a>,
-with the string <code>what</code> describing which fields to fill in.
-The default for <code>what</code> is to get all information available,
-except the table of valid lines.
-If present,
-the option '<code>f</code>'
-adds a field named <code>func</code> with the function itself.
-If present,
-the option '<code>L</code>'
-adds a field named <code>activelines</code> with the table of
-valid lines.
-
-
-<p>
-For instance, the expression <code>debug.getinfo(1,"n").name</code> returns
-a name for the current function,
-if a reasonable name can be found,
-and the expression <code>debug.getinfo(print)</code>
-returns a table with all available information
-about the <a href="#pdf-print"><code>print</code></a> function.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-debug.getlocal"><code>debug.getlocal ([thread,] f, local)</code></a></h3>
-
-
-<p>
-This function returns the name and the value of the local variable
-with index <code>local</code> of the function at level <code>f</code> of the stack.
-This function accesses not only explicit local variables,
-but also parameters, temporaries, etc.
-
-
-<p>
-The first parameter or local variable has index&nbsp;1, and so on,
-following the order that they are declared in the code,
-counting only the variables that are active
-in the current scope of the function.
-Negative indices refer to vararg arguments;
--1 is the first vararg argument.
-The function returns <b>nil</b> if there is no variable with the given index,
-and raises an error when called with a level out of range.
-(You can call <a href="#pdf-debug.getinfo"><code>debug.getinfo</code></a> to check whether the level is valid.)
-
-
-<p>
-Variable names starting with '<code>(</code>' (open parenthesis)
-represent variables with no known names
-(internal variables such as loop control variables,
-and variables from chunks saved without debug information).
-
-
-<p>
-The parameter <code>f</code> may also be a function.
-In that case, <code>getlocal</code> returns only the name of function parameters.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-debug.getmetatable"><code>debug.getmetatable (value)</code></a></h3>
-
-
-<p>
-Returns the metatable of the given <code>value</code>
-or <b>nil</b> if it does not have a metatable.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-debug.getregistry"><code>debug.getregistry ()</code></a></h3>
-
-
-<p>
-Returns the registry table (see <a href="#4.5">&sect;4.5</a>).
-
-
-
-
-<p>
-<hr><h3><a name="pdf-debug.getupvalue"><code>debug.getupvalue (f, up)</code></a></h3>
-
-
-<p>
-This function returns the name and the value of the upvalue
-with index <code>up</code> of the function <code>f</code>.
-The function returns <b>nil</b> if there is no upvalue with the given index.
-
-
-<p>
-Variable names starting with '<code>(</code>' (open parenthesis)
-represent variables with no known names
-(variables from chunks saved without debug information).
-
-
-
-
-<p>
-<hr><h3><a name="pdf-debug.getuservalue"><code>debug.getuservalue (u)</code></a></h3>
-
-
-<p>
-Returns the Lua value associated to <code>u</code>.
-If <code>u</code> is not a full userdata,
-returns <b>nil</b>.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-debug.sethook"><code>debug.sethook ([thread,] hook, mask [, count])</code></a></h3>
-
-
-<p>
-Sets the given function as a hook.
-The string <code>mask</code> and the number <code>count</code> describe
-when the hook will be called.
-The string mask may have any combination of the following characters,
-with the given meaning:
-
-<ul>
-<li><b>'<code>c</code>': </b> the hook is called every time Lua calls a function;</li>
-<li><b>'<code>r</code>': </b> the hook is called every time Lua returns from a function;</li>
-<li><b>'<code>l</code>': </b> the hook is called every time Lua enters a new line of code.</li>
-</ul><p>
-Moreover,
-with a <code>count</code> different from zero,
-the hook is called also after every <code>count</code> instructions.
-
-
-<p>
-When called without arguments,
-<a href="#pdf-debug.sethook"><code>debug.sethook</code></a> turns off the hook.
-
-
-<p>
-When the hook is called, its first argument is a string
-describing the event that has triggered its call:
-<code>"call"</code> (or <code>"tail call"</code>),
-<code>"return"</code>,
-<code>"line"</code>, and <code>"count"</code>.
-For line events,
-the hook also gets the new line number as its second parameter.
-Inside a hook,
-you can call <code>getinfo</code> with level&nbsp;2 to get more information about
-the running function
-(level&nbsp;0 is the <code>getinfo</code> function,
-and level&nbsp;1 is the hook function).
-
-
-
-
-<p>
-<hr><h3><a name="pdf-debug.setlocal"><code>debug.setlocal ([thread,] level, local, value)</code></a></h3>
-
-
-<p>
-This function assigns the value <code>value</code> to the local variable
-with index <code>local</code> of the function at level <code>level</code> of the stack.
-The function returns <b>nil</b> if there is no local
-variable with the given index,
-and raises an error when called with a <code>level</code> out of range.
-(You can call <code>getinfo</code> to check whether the level is valid.)
-Otherwise, it returns the name of the local variable.
-
-
-<p>
-See <a href="#pdf-debug.getlocal"><code>debug.getlocal</code></a> for more information about
-variable indices and names.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-debug.setmetatable"><code>debug.setmetatable (value, table)</code></a></h3>
-
-
-<p>
-Sets the metatable for the given <code>value</code> to the given <code>table</code>
-(which can be <b>nil</b>).
-Returns <code>value</code>.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-debug.setupvalue"><code>debug.setupvalue (f, up, value)</code></a></h3>
-
-
-<p>
-This function assigns the value <code>value</code> to the upvalue
-with index <code>up</code> of the function <code>f</code>.
-The function returns <b>nil</b> if there is no upvalue
-with the given index.
-Otherwise, it returns the name of the upvalue.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-debug.setuservalue"><code>debug.setuservalue (udata, value)</code></a></h3>
-
-
-<p>
-Sets the given <code>value</code> as
-the Lua value associated to the given <code>udata</code>.
-<code>udata</code> must be a full userdata.
-
-
-<p>
-Returns <code>udata</code>.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-debug.traceback"><code>debug.traceback ([thread,] [message [, level]])</code></a></h3>
-
-
-<p>
-If <code>message</code> is present but is neither a string nor <b>nil</b>,
-this function returns <code>message</code> without further processing.
-Otherwise,
-it returns a string with a traceback of the call stack.
-The optional <code>message</code> string is appended
-at the beginning of the traceback.
-An optional <code>level</code> number tells at which level
-to start the traceback
-(default is 1, the function calling <code>traceback</code>).
-
-
-
-
-<p>
-<hr><h3><a name="pdf-debug.upvalueid"><code>debug.upvalueid (f, n)</code></a></h3>
-
-
-<p>
-Returns a unique identifier (as a light userdata)
-for the upvalue numbered <code>n</code>
-from the given function.
-
-
-<p>
-These unique identifiers allow a program to check whether different
-closures share upvalues.
-Lua closures that share an upvalue
-(that is, that access a same external local variable)
-will return identical ids for those upvalue indices.
-
-
-
-
-<p>
-<hr><h3><a name="pdf-debug.upvaluejoin"><code>debug.upvaluejoin (f1, n1, f2, n2)</code></a></h3>
-
-
-<p>
-Make the <code>n1</code>-th upvalue of the Lua closure <code>f1</code>
-refer to the <code>n2</code>-th upvalue of the Lua closure <code>f2</code>.
-
-
-
-
-
-
-
-<h1>7 &ndash; <a name="7">Lua Standalone</a></h1>
-
-<p>
-Although Lua has been designed as an extension language,
-to be embedded in a host C&nbsp;program,
-it is also frequently used as a standalone language.
-An interpreter for Lua as a standalone language,
-called simply <code>lua</code>,
-is provided with the standard distribution.
-The standalone interpreter includes
-all standard libraries, including the debug library.
-Its usage is:
-
-<pre>
- lua [options] [script [args]]
-</pre><p>
-The options are:
-
-<ul>
-<li><b><code>-e <em>stat</em></code>: </b> executes string <em>stat</em>;</li>
-<li><b><code>-l <em>mod</em></code>: </b> "requires" <em>mod</em> and assigns the
- result to global @<em>mod</em>;</li>
-<li><b><code>-i</code>: </b> enters interactive mode after running <em>script</em>;</li>
-<li><b><code>-v</code>: </b> prints version information;</li>
-<li><b><code>-E</code>: </b> ignores environment variables;</li>
-<li><b><code>--</code>: </b> stops handling options;</li>
-<li><b><code>-</code>: </b> executes <code>stdin</code> as a file and stops handling options.</li>
-</ul><p>
-After handling its options, <code>lua</code> runs the given <em>script</em>.
-When called without arguments,
-<code>lua</code> behaves as <code>lua -v -i</code>
-when the standard input (<code>stdin</code>) is a terminal,
-and as <code>lua -</code> otherwise.
-
-
-<p>
-When called without option <code>-E</code>,
-the interpreter checks for an environment variable <a name="pdf-LUA_INIT_5_3"><code>LUA_INIT_5_3</code></a>
-(or <a name="pdf-LUA_INIT"><code>LUA_INIT</code></a> if the versioned name is not defined)
-before running any argument.
-If the variable content has the format <code>@<em>filename</em></code>,
-then <code>lua</code> executes the file.
-Otherwise, <code>lua</code> executes the string itself.
-
-
-<p>
-When called with option <code>-E</code>,
-besides ignoring <code>LUA_INIT</code>,
-Lua also ignores
-the values of <code>LUA_PATH</code> and <code>LUA_CPATH</code>,
-setting the values of
-<a href="#pdf-package.path"><code>package.path</code></a> and <a href="#pdf-package.cpath"><code>package.cpath</code></a>
-with the default paths defined in <code>luaconf.h</code>.
-
-
-<p>
-All options are handled in order, except <code>-i</code> and <code>-E</code>.
-For instance, an invocation like
-
-<pre>
- $ lua -e'a=1' -e 'print(a)' script.lua
-</pre><p>
-will first set <code>a</code> to 1, then print the value of <code>a</code>,
-and finally run the file <code>script.lua</code> with no arguments.
-(Here <code>$</code> is the shell prompt. Your prompt may be different.)
-
-
-<p>
-Before running any code,
-<code>lua</code> collects all command-line arguments
-in a global table called <code>arg</code>.
-The script name goes to index 0,
-the first argument after the script name goes to index 1,
-and so on.
-Any arguments before the script name
-(that is, the interpreter name plus its options)
-go to negative indices.
-For instance, in the call
-
-<pre>
- $ lua -la b.lua t1 t2
-</pre><p>
-the table is like this:
-
-<pre>
- arg = { [-2] = "lua", [-1] = "-la",
- [0] = "b.lua",
- [1] = "t1", [2] = "t2" }
-</pre><p>
-If there is no script in the call,
-the interpreter name goes to index 0,
-followed by the other arguments.
-For instance, the call
-
-<pre>
- $ lua -e "print(arg[1])"
-</pre><p>
-will print "<code>-e</code>".
-If there is a script,
-the script is called with arguments
-<code>arg[1]</code>, &middot;&middot;&middot;, <code>arg[#arg]</code>.
-(Like all chunks in Lua,
-the script is compiled as a vararg function.)
-
-
-<p>
-In interactive mode,
-Lua repeatedly prompts and waits for a line.
-After reading a line,
-Lua first try to interpret the line as an expression.
-If it succeeds, it prints its value.
-Otherwise, it interprets the line as a statement.
-If you write an incomplete statement,
-the interpreter waits for its completion
-by issuing a different prompt.
-
-
-<p>
-If the global variable <a name="pdf-_PROMPT"><code>_PROMPT</code></a> contains a string,
-then its value is used as the prompt.
-Similarly, if the global variable <a name="pdf-_PROMPT2"><code>_PROMPT2</code></a> contains a string,
-its value is used as the secondary prompt
-(issued during incomplete statements).
-
-
-<p>
-In case of unprotected errors in the script,
-the interpreter reports the error to the standard error stream.
-If the error object is not a string but
-has a metamethod <code>__tostring</code>,
-the interpreter calls this metamethod to produce the final message.
-Otherwise, the interpreter converts the error object to a string
-and adds a stack traceback to it.
-
-
-<p>
-When finishing normally,
-the interpreter closes its main Lua state
-(see <a href="#lua_close"><code>lua_close</code></a>).
-The script can avoid this step by
-calling <a href="#pdf-os.exit"><code>os.exit</code></a> to terminate.
-
-
-<p>
-To allow the use of Lua as a
-script interpreter in Unix systems,
-the standalone interpreter skips
-the first line of a chunk if it starts with <code>#</code>.
-Therefore, Lua scripts can be made into executable programs
-by using <code>chmod +x</code> and the&nbsp;<code>#!</code> form,
-as in
-
-<pre>
- #!/usr/local/bin/lua
-</pre><p>
-(Of course,
-the location of the Lua interpreter may be different in your machine.
-If <code>lua</code> is in your <code>PATH</code>,
-then
-
-<pre>
- #!/usr/bin/env lua
-</pre><p>
-is a more portable solution.)
-
-
-
-<h1>8 &ndash; <a name="8">Incompatibilities with the Previous Version</a></h1>
-
-<p>
-Here we list the incompatibilities that you may find when moving a program
-from Lua&nbsp;5.2 to Lua&nbsp;5.3.
-You can avoid some incompatibilities by compiling Lua with
-appropriate options (see file <code>luaconf.h</code>).
-However,
-all these compatibility options will be removed in the future.
-
-
-<p>
-Lua versions can always change the C API in ways that
-do not imply source-code changes in a program,
-such as the numeric values for constants
-or the implementation of functions as macros.
-Therefore,
-you should not assume that binaries are compatible between
-different Lua versions.
-Always recompile clients of the Lua API when
-using a new version.
-
-
-<p>
-Similarly, Lua versions can always change the internal representation
-of precompiled chunks;
-precompiled chunks are not compatible between different Lua versions.
-
-
-<p>
-The standard paths in the official distribution may
-change between versions.
-
-
-
-<h2>8.1 &ndash; <a name="8.1">Changes in the Language</a></h2>
-<ul>
-
-<li>
-The main difference between Lua&nbsp;5.2 and Lua&nbsp;5.3 is the
-introduction of an integer subtype for numbers.
-Although this change should not affect "normal" computations,
-some computations
-(mainly those that involve some kind of overflow)
-can give different results.
-
-
-<p>
-You can fix these differences by forcing a number to be a float
-(in Lua&nbsp;5.2 all numbers were float),
-in particular writing constants with an ending <code>.0</code>
-or using <code>x = x + 0.0</code> to convert a variable.
-(This recommendation is only for a quick fix
-for an occasional incompatibility;
-it is not a general guideline for good programming.
-For good programming,
-use floats where you need floats
-and integers where you need integers.)
-</li>
-
-<li>
-The conversion of a float to a string now adds a <code>.0</code> suffix
-to the result if it looks like an integer.
-(For instance, the float 2.0 will be printed as <code>2.0</code>,
-not as <code>2</code>.)
-You should always use an explicit format
-when you need a specific format for numbers.
-
-
-<p>
-(Formally this is not an incompatibility,
-because Lua does not specify how numbers are formatted as strings,
-but some programs assumed a specific format.)
-</li>
-
-<li>
-The generational mode for the garbage collector was removed.
-(It was an experimental feature in Lua&nbsp;5.2.)
-</li>
-
-</ul>
-
-
-
-
-<h2>8.2 &ndash; <a name="8.2">Changes in the Libraries</a></h2>
-<ul>
-
-<li>
-The <code>bit32</code> library has been deprecated.
-It is easy to require a compatible external library or,
-better yet, to replace its functions with appropriate bitwise operations.
-(Keep in mind that <code>bit32</code> operates on 32-bit integers,
-while the bitwise operators in Lua&nbsp;5.3 operate on Lua integers,
-which by default have 64&nbsp;bits.)
-</li>
-
-<li>
-The Table library now respects metamethods
-for setting and getting elements.
-</li>
-
-<li>
-The <a href="#pdf-ipairs"><code>ipairs</code></a> iterator now respects metamethods and
-its <code>__ipairs</code> metamethod has been deprecated.
-</li>
-
-<li>
-Option names in <a href="#pdf-io.read"><code>io.read</code></a> do not have a starting '<code>*</code>' anymore.
-For compatibility, Lua will continue to accept (and ignore) this character.
-</li>
-
-<li>
-The following functions were deprecated in the mathematical library:
-<code>atan2</code>, <code>cosh</code>, <code>sinh</code>, <code>tanh</code>, <code>pow</code>,
-<code>frexp</code>, and <code>ldexp</code>.
-You can replace <code>math.pow(x,y)</code> with <code>x^y</code>;
-you can replace <code>math.atan2</code> with <code>math.atan</code>,
-which now accepts one or two arguments;
-you can replace <code>math.ldexp(x,exp)</code> with <code>x * 2.0^exp</code>.
-For the other operations,
-you can either use an external library or
-implement them in Lua.
-</li>
-
-<li>
-The searcher for C loaders used by <a href="#pdf-require"><code>require</code></a>
-changed the way it handles versioned names.
-Now, the version should come after the module name
-(as is usual in most other tools).
-For compatibility, that searcher still tries the old format
-if it cannot find an open function according to the new style.
-(Lua&nbsp;5.2 already worked that way,
-but it did not document the change.)
-</li>
-
-<li>
-The call <code>collectgarbage("count")</code> now returns only one result.
-(You can compute that second result from the fractional part
-of the first result.)
-</li>
-
-</ul>
-
-
-
-
-<h2>8.3 &ndash; <a name="8.3">Changes in the API</a></h2>
-
-
-<ul>
-
-<li>
-Continuation functions now receive as arguments what they needed
-to get through <code>lua_getctx</code>,
-so <code>lua_getctx</code> has been removed.
-Adapt your code accordingly.
-</li>
-
-<li>
-Function <a href="#lua_dump"><code>lua_dump</code></a> has an extra parameter, <code>strip</code>.
-Use 0 as the value of this parameter to get the old behavior.
-</li>
-
-<li>
-Functions to inject/project unsigned integers
-(<code>lua_pushunsigned</code>, <code>lua_tounsigned</code>, <code>lua_tounsignedx</code>,
-<code>luaL_checkunsigned</code>, <code>luaL_optunsigned</code>)
-were deprecated.
-Use their signed equivalents with a type cast.
-</li>
-
-<li>
-Macros to project non-default integer types
-(<code>luaL_checkint</code>, <code>luaL_optint</code>, <code>luaL_checklong</code>, <code>luaL_optlong</code>)
-were deprecated.
-Use their equivalent over <a href="#lua_Integer"><code>lua_Integer</code></a> with a type cast
-(or, when possible, use <a href="#lua_Integer"><code>lua_Integer</code></a> in your code).
-</li>
-
-</ul>
-
-
-
-
-<h1>9 &ndash; <a name="9">The Complete Syntax of Lua</a></h1>
-
-<p>
-Here is the complete syntax of Lua in extended BNF.
-As usual in extended BNF,
-{A} means 0 or more As,
-and [A] means an optional A.
-(For operator precedences, see <a href="#3.4.8">&sect;3.4.8</a>;
-for a description of the terminals
-Name, Numeral,
-and LiteralString, see <a href="#3.1">&sect;3.1</a>.)
-
-
-
-
-<pre>
-
- chunk ::= block
-
- block ::= {stat} [retstat]
-
- stat ::= &lsquo;<b>;</b>&rsquo; |
- varlist &lsquo;<b>=</b>&rsquo; explist |
- functioncall |
- label |
- <b>break</b> |
- <b>goto</b> Name |
- <b>do</b> block <b>end</b> |
- <b>while</b> exp <b>do</b> block <b>end</b> |
- <b>repeat</b> block <b>until</b> exp |
- <b>if</b> exp <b>then</b> block {<b>elseif</b> exp <b>then</b> block} [<b>else</b> block] <b>end</b> |
- <b>for</b> Name &lsquo;<b>=</b>&rsquo; exp &lsquo;<b>,</b>&rsquo; exp [&lsquo;<b>,</b>&rsquo; exp] <b>do</b> block <b>end</b> |
- <b>for</b> namelist <b>in</b> explist <b>do</b> block <b>end</b> |
- <b>function</b> funcname funcbody |
- <b>local</b> <b>function</b> Name funcbody |
- <b>local</b> namelist [&lsquo;<b>=</b>&rsquo; explist]
-
- retstat ::= <b>return</b> [explist] [&lsquo;<b>;</b>&rsquo;]
-
- label ::= &lsquo;<b>::</b>&rsquo; Name &lsquo;<b>::</b>&rsquo;
-
- funcname ::= Name {&lsquo;<b>.</b>&rsquo; Name} [&lsquo;<b>:</b>&rsquo; Name]
-
- varlist ::= var {&lsquo;<b>,</b>&rsquo; var}
-
- var ::= Name | prefixexp &lsquo;<b>[</b>&rsquo; exp &lsquo;<b>]</b>&rsquo; | prefixexp &lsquo;<b>.</b>&rsquo; Name
-
- namelist ::= Name {&lsquo;<b>,</b>&rsquo; Name}
-
- explist ::= exp {&lsquo;<b>,</b>&rsquo; exp}
-
- exp ::= <b>nil</b> | <b>false</b> | <b>true</b> | Numeral | LiteralString | &lsquo;<b>...</b>&rsquo; | functiondef |
- prefixexp | tableconstructor | exp binop exp | unop exp
-
- prefixexp ::= var | functioncall | &lsquo;<b>(</b>&rsquo; exp &lsquo;<b>)</b>&rsquo;
-
- functioncall ::= prefixexp args | prefixexp &lsquo;<b>:</b>&rsquo; Name args
-
- args ::= &lsquo;<b>(</b>&rsquo; [explist] &lsquo;<b>)</b>&rsquo; | tableconstructor | LiteralString
-
- functiondef ::= <b>function</b> funcbody
-
- funcbody ::= &lsquo;<b>(</b>&rsquo; [parlist] &lsquo;<b>)</b>&rsquo; block <b>end</b>
-
- parlist ::= namelist [&lsquo;<b>,</b>&rsquo; &lsquo;<b>...</b>&rsquo;] | &lsquo;<b>...</b>&rsquo;
-
- tableconstructor ::= &lsquo;<b>{</b>&rsquo; [fieldlist] &lsquo;<b>}</b>&rsquo;
-
- fieldlist ::= field {fieldsep field} [fieldsep]
-
- field ::= &lsquo;<b>[</b>&rsquo; exp &lsquo;<b>]</b>&rsquo; &lsquo;<b>=</b>&rsquo; exp | Name &lsquo;<b>=</b>&rsquo; exp | exp
-
- fieldsep ::= &lsquo;<b>,</b>&rsquo; | &lsquo;<b>;</b>&rsquo;
-
- binop ::= &lsquo;<b>+</b>&rsquo; | &lsquo;<b>-</b>&rsquo; | &lsquo;<b>*</b>&rsquo; | &lsquo;<b>/</b>&rsquo; | &lsquo;<b>//</b>&rsquo; | &lsquo;<b>^</b>&rsquo; | &lsquo;<b>%</b>&rsquo; |
- &lsquo;<b>&amp;</b>&rsquo; | &lsquo;<b>~</b>&rsquo; | &lsquo;<b>|</b>&rsquo; | &lsquo;<b>&gt;&gt;</b>&rsquo; | &lsquo;<b>&lt;&lt;</b>&rsquo; | &lsquo;<b>..</b>&rsquo; |
- &lsquo;<b>&lt;</b>&rsquo; | &lsquo;<b>&lt;=</b>&rsquo; | &lsquo;<b>&gt;</b>&rsquo; | &lsquo;<b>&gt;=</b>&rsquo; | &lsquo;<b>==</b>&rsquo; | &lsquo;<b>~=</b>&rsquo; |
- <b>and</b> | <b>or</b>
-
- unop ::= &lsquo;<b>-</b>&rsquo; | <b>not</b> | &lsquo;<b>#</b>&rsquo; | &lsquo;<b>~</b>&rsquo;
-
-</pre>
-
-<p>
-
-
-
-
-
-
-
-
-<P CLASS="footer">
-Last update:
-Tue Jul 14 10:32:39 UTC 2020
-</P>
-<!--
-Last change: revised for Lua 5.3.6
--->
-
-</body></html>
-
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@@ -1,365 +0,0 @@
-<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
-<HTML>
-<HEAD>
-<TITLE>Lua 5.3 readme</TITLE>
-<LINK REL="stylesheet" TYPE="text/css" HREF="lua.css">
-<META HTTP-EQUIV="content-type" CONTENT="text/html; charset=iso-8859-1">
-<STYLE TYPE="text/css">
-blockquote, .display {
- border: solid #a0a0a0 2px ;
- border-radius: 8px ;
- padding: 1em ;
- margin: 0px ;
-}
-
-.display {
- word-spacing: 0.25em ;
-}
-
-dl.display dd {
- padding-bottom: 0.2em ;
-}
-
-tt, kbd, code {
- font-size: 12pt ;
-}
-</STYLE>
-</HEAD>
-
-<BODY>
-
-<H1>
-<A HREF="http://www.lua.org/"><IMG SRC="logo.gif" ALT="Lua"></A>
-Welcome to Lua 5.3
-</H1>
-
-<DIV CLASS="menubar">
-<A HREF="#about">about</A>
-&middot;
-<A HREF="#install">installation</A>
-&middot;
-<A HREF="#changes">changes</A>
-&middot;
-<A HREF="#license">license</A>
-&middot;
-<A HREF="contents.html">reference manual</A>
-</DIV>
-
-<H2><A NAME="about">About Lua</A></H2>
-<P>
-Lua is a powerful, fast, lightweight, embeddable scripting language
-developed by a
-<A HREF="http://www.lua.org/authors.html">team</A>
-at
-<A HREF="http://www.puc-rio.br/">PUC-Rio</A>,
-the Pontifical Catholic University of Rio de Janeiro in Brazil.
-Lua is
-<A HREF="#license">free software</A>
-used in many products and projects around the world.
-
-<P>
-Lua's
-<A HREF="http://www.lua.org/">official web site</A>
-provides complete information
-about Lua,
-including
-an
-<A HREF="http://www.lua.org/about.html">executive summary</A>
-and
-updated
-<A HREF="http://www.lua.org/docs.html">documentation</A>,
-especially the
-<A HREF="http://www.lua.org/manual/5.3/">reference manual</A>,
-which may differ slightly from the
-<A HREF="contents.html">local copy</A>
-distributed in this package.
-
-<H2><A NAME="install">Installing Lua</A></H2>
-<P>
-Lua is distributed in
-<A HREF="http://www.lua.org/ftp/">source</A>
-form.
-You need to build it before using it.
-Building Lua should be straightforward
-because
-Lua is implemented in pure ANSI C and compiles unmodified in all known
-platforms that have an ANSI C compiler.
-Lua also compiles unmodified as C++.
-The instructions given below for building Lua are for Unix-like platforms.
-See also
-<A HREF="#other">instructions for other systems</A>
-and
-<A HREF="#customization">customization options</A>.
-
-<P>
-If you don't have the time or the inclination to compile Lua yourself,
-get a binary from
-<A HREF="http://lua-users.org/wiki/LuaBinaries">LuaBinaries</A>.
-Try also
-<A HREF="http://luadist.org/">LuaDist</A>,
-a multi-platform distribution of Lua that includes batteries.
-
-<H3>Building Lua</H3>
-<P>
-In most Unix-like platforms, simply do "<KBD>make</KBD>" with a suitable target.
-Here are the details.
-
-<OL>
-<LI>
-Open a terminal window and move to
-the top-level directory, which is named <TT>lua-5.3.6</TT>.
-The <TT>Makefile</TT> there controls both the build process and the installation process.
-<P>
-<LI>
- Do "<KBD>make</KBD>" and see if your platform is listed.
- The platforms currently supported are:
-<P>
-<P CLASS="display">
- aix bsd c89 freebsd generic linux macosx mingw posix solaris
-</P>
-<P>
- If your platform is listed, just do "<KBD>make xxx</KBD>", where xxx
- is your platform name.
-<P>
- If your platform is not listed, try the closest one or posix, generic,
- c89, in this order.
-<P>
-<LI>
-The compilation takes only a few moments
-and produces three files in the <TT>src</TT> directory:
-lua (the interpreter),
-luac (the compiler),
-and liblua.a (the library).
-<P>
-<LI>
- To check that Lua has been built correctly, do "<KBD>make test</KBD>"
- after building Lua. This will run the interpreter and print its version.
-</OL>
-<P>
-If you're running Linux and get compilation errors,
-make sure you have installed the <TT>readline</TT> development package
-(which is probably named <TT>libreadline-dev</TT> or <TT>readline-devel</TT>).
-If you get link errors after that,
-then try "<KBD>make linux MYLIBS=-ltermcap</KBD>".
-
-<H3>Installing Lua</H3>
-<P>
- Once you have built Lua, you may want to install it in an official
- place in your system. In this case, do "<KBD>make install</KBD>". The official
- place and the way to install files are defined in the <TT>Makefile</TT>. You'll
- probably need the right permissions to install files.
-
-<P>
- To build and install Lua in one step, do "<KBD>make xxx install</KBD>",
- where xxx is your platform name.
-
-<P>
- To install Lua locally, do "<KBD>make local</KBD>".
- This will create a directory <TT>install</TT> with subdirectories
- <TT>bin</TT>, <TT>include</TT>, <TT>lib</TT>, <TT>man</TT>, <TT>share</TT>,
- and install Lua as listed below.
-
- To install Lua locally, but in some other directory, do
- "<KBD>make install INSTALL_TOP=xxx</KBD>", where xxx is your chosen directory.
- The installation starts in the <TT>src</TT> and <TT>doc</TT> directories,
- so take care if <TT>INSTALL_TOP</TT> is not an absolute path.
-
-<DL CLASS="display">
-<DT>
- bin:
-<DD>
- lua luac
-<DT>
- include:
-<DD>
- lua.h luaconf.h lualib.h lauxlib.h lua.hpp
-<DT>
- lib:
-<DD>
- liblua.a
-<DT>
- man/man1:
-<DD>
- lua.1 luac.1
-</DL>
-
-<P>
- These are the only directories you need for development.
- If you only want to run Lua programs,
- you only need the files in <TT>bin</TT> and <TT>man</TT>.
- The files in <TT>include</TT> and <TT>lib</TT> are needed for
- embedding Lua in C or C++ programs.
-
-<H3><A NAME="customization">Customization</A></H3>
-<P>
- Three kinds of things can be customized by editing a file:
-<UL>
- <LI> Where and how to install Lua &mdash; edit <TT>Makefile</TT>.
- <LI> How to build Lua &mdash; edit <TT>src/Makefile</TT>.
- <LI> Lua features &mdash; edit <TT>src/luaconf.h</TT>.
-</UL>
-
-<P>
- You don't actually need to edit the Makefiles because you may set the
- relevant variables in the command line when invoking make.
- Nevertheless, it's probably best to edit and save the Makefiles to
- record the changes you've made.
-
-<P>
- On the other hand, if you need to customize some Lua features, you'll need
- to edit <TT>src/luaconf.h</TT> before building and installing Lua.
- The edited file will be the one installed, and
- it will be used by any Lua clients that you build, to ensure consistency.
- Further customization is available to experts by editing the Lua sources.
-
-<H3><A NAME="other">Building Lua on other systems</A></H3>
-<P>
- If you're not using the usual Unix tools, then the instructions for
- building Lua depend on the compiler you use. You'll need to create
- projects (or whatever your compiler uses) for building the library,
- the interpreter, and the compiler, as follows:
-
-<DL CLASS="display">
-<DT>
-library:
-<DD>
-lapi.c lcode.c lctype.c ldebug.c ldo.c ldump.c lfunc.c lgc.c llex.c
-lmem.c lobject.c lopcodes.c lparser.c lstate.c lstring.c ltable.c
-ltm.c lundump.c lvm.c lzio.c
-lauxlib.c lbaselib.c lbitlib.c lcorolib.c ldblib.c liolib.c
-lmathlib.c loslib.c lstrlib.c ltablib.c lutf8lib.c loadlib.c linit.c
-<DT>
-interpreter:
-<DD>
- library, lua.c
-<DT>
-compiler:
-<DD>
- library, luac.c
-</DL>
-
-<P>
- To use Lua as a library in your own programs you'll need to know how to
- create and use libraries with your compiler. Moreover, to dynamically load
- C libraries for Lua you'll need to know how to create dynamic libraries
- and you'll need to make sure that the Lua API functions are accessible to
- those dynamic libraries &mdash; but <EM>don't</EM> link the Lua library
- into each dynamic library. For Unix, we recommend that the Lua library
- be linked statically into the host program and its symbols exported for
- dynamic linking; <TT>src/Makefile</TT> does this for the Lua interpreter.
- For Windows, we recommend that the Lua library be a DLL.
- In all cases, the compiler luac should be linked statically.
-
-<P>
- As mentioned above, you may edit <TT>src/luaconf.h</TT> to customize
- some features before building Lua.
-
-<H2><A NAME="changes">Changes since Lua 5.2</A></H2>
-<P>
-Here are the main changes introduced in Lua 5.3.
-The
-<A HREF="contents.html">reference manual</A>
-lists the
-<A HREF="manual.html#8">incompatibilities</A> that had to be introduced.
-
-<H3>Main changes</H3>
-<UL>
-<LI> integers (64-bit by default)
-<LI> official support for 32-bit numbers
-<LI> bitwise operators
-<LI> basic utf-8 support
-<LI> functions for packing and unpacking values
-
-</UL>
-
-Here are the other changes introduced in Lua 5.3:
-<H3>Language</H3>
-<UL>
-<LI> userdata can have any Lua value as uservalue
-<LI> floor division
-<LI> more flexible rules for some metamethods
-</UL>
-
-<H3>Libraries</H3>
-<UL>
-<LI> <CODE>ipairs</CODE> and the table library respect metamethods
-<LI> strip option in <CODE>string.dump</CODE>
-<LI> table library respects metamethods
-<LI> new function <CODE>table.move</CODE>
-<LI> new function <CODE>string.pack</CODE>
-<LI> new function <CODE>string.unpack</CODE>
-<LI> new function <CODE>string.packsize</CODE>
-</UL>
-
-<H3>C API</H3>
-<UL>
-<LI> simpler API for continuation functions in C
-<LI> <CODE>lua_gettable</CODE> and similar functions return type of resulted value
-<LI> strip option in <CODE>lua_dump</CODE>
-<LI> new function: <CODE>lua_geti</CODE>
-<LI> new function: <CODE>lua_seti</CODE>
-<LI> new function: <CODE>lua_isyieldable</CODE>
-<LI> new function: <CODE>lua_numbertointeger</CODE>
-<LI> new function: <CODE>lua_rotate</CODE>
-<LI> new function: <CODE>lua_stringtonumber</CODE>
-</UL>
-
-<H3>Lua standalone interpreter</H3>
-<UL>
-<LI> can be used as calculator; no need to prefix with '='
-<LI> <CODE>arg</CODE> table available to all code
-</UL>
-
-<H2><A NAME="license">License</A></H2>
-<P>
-<A HREF="http://www.opensource.org/docs/definition.php">
-<IMG SRC="osi-certified-72x60.png" ALIGN="right" ALT="[osi certified]" STYLE="padding-left: 30px ;">
-</A>
-Lua is free software distributed under the terms of the
-<A HREF="http://www.opensource.org/licenses/mit-license.html">MIT license</A>
-reproduced below;
-it may be used for any purpose, including commercial purposes,
-at absolutely no cost without having to ask us.
-
-The only requirement is that if you do use Lua,
-then you should give us credit by including the appropriate copyright notice somewhere in your product or its documentation.
-
-For details, see
-<A HREF="http://www.lua.org/license.html">this</A>.
-
-<BLOCKQUOTE STYLE="padding-bottom: 0em">
-Copyright &copy; 1994&ndash;2020 Lua.org, PUC-Rio.
-
-<P>
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-<P>
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-<P>
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-THE SOFTWARE.
-</BLOCKQUOTE>
-<P>
-
-<P CLASS="footer">
-Last update:
-Tue Jul 14 10:33:01 UTC 2020
-</P>
-<!--
-Last change: revised for Lua 5.3.6
--->
-
-</BODY>
-</HTML>
diff --git a/Build/source/libs/lua53/lua53-src/src/Makefile b/Build/source/libs/lua53/lua53-src/src/Makefile
deleted file mode 100644
index a13afb99627..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/Makefile
+++ /dev/null
@@ -1,197 +0,0 @@
-# Makefile for building Lua
-# See ../doc/readme.html for installation and customization instructions.
-
-# == CHANGE THE SETTINGS BELOW TO SUIT YOUR ENVIRONMENT =======================
-
-# Your platform. See PLATS for possible values.
-PLAT= none
-
-CC= gcc -std=gnu99
-CFLAGS= -O2 -Wall -Wextra -DLUA_COMPAT_5_2 $(SYSCFLAGS) $(MYCFLAGS)
-LDFLAGS= $(SYSLDFLAGS) $(MYLDFLAGS)
-LIBS= -lm $(SYSLIBS) $(MYLIBS)
-
-AR= ar rcu
-RANLIB= ranlib
-RM= rm -f
-
-SYSCFLAGS=
-SYSLDFLAGS=
-SYSLIBS=
-
-MYCFLAGS=
-MYLDFLAGS=
-MYLIBS=
-MYOBJS=
-
-# == END OF USER SETTINGS -- NO NEED TO CHANGE ANYTHING BELOW THIS LINE =======
-
-PLATS= aix bsd c89 freebsd generic linux macosx mingw posix solaris
-
-LUA_A= liblua.a
-CORE_O= lapi.o lcode.o lctype.o ldebug.o ldo.o ldump.o lfunc.o lgc.o llex.o \
- lmem.o lobject.o lopcodes.o lparser.o lstate.o lstring.o ltable.o \
- ltm.o lundump.o lvm.o lzio.o
-LIB_O= lauxlib.o lbaselib.o lbitlib.o lcorolib.o ldblib.o liolib.o \
- lmathlib.o loslib.o lstrlib.o ltablib.o lutf8lib.o loadlib.o linit.o
-BASE_O= $(CORE_O) $(LIB_O) $(MYOBJS)
-
-LUA_T= lua
-LUA_O= lua.o
-
-LUAC_T= luac
-LUAC_O= luac.o
-
-ALL_O= $(BASE_O) $(LUA_O) $(LUAC_O)
-ALL_T= $(LUA_A) $(LUA_T) $(LUAC_T)
-ALL_A= $(LUA_A)
-
-# Targets start here.
-default: $(PLAT)
-
-all: $(ALL_T)
-
-o: $(ALL_O)
-
-a: $(ALL_A)
-
-$(LUA_A): $(BASE_O)
- $(AR) $@ $(BASE_O)
- $(RANLIB) $@
-
-$(LUA_T): $(LUA_O) $(LUA_A)
- $(CC) -o $@ $(LDFLAGS) $(LUA_O) $(LUA_A) $(LIBS)
-
-$(LUAC_T): $(LUAC_O) $(LUA_A)
- $(CC) -o $@ $(LDFLAGS) $(LUAC_O) $(LUA_A) $(LIBS)
-
-clean:
- $(RM) $(ALL_T) $(ALL_O)
-
-depend:
- @$(CC) $(CFLAGS) -MM l*.c
-
-echo:
- @echo "PLAT= $(PLAT)"
- @echo "CC= $(CC)"
- @echo "CFLAGS= $(CFLAGS)"
- @echo "LDFLAGS= $(SYSLDFLAGS)"
- @echo "LIBS= $(LIBS)"
- @echo "AR= $(AR)"
- @echo "RANLIB= $(RANLIB)"
- @echo "RM= $(RM)"
-
-# Convenience targets for popular platforms
-ALL= all
-
-none:
- @echo "Please do 'make PLATFORM' where PLATFORM is one of these:"
- @echo " $(PLATS)"
-
-aix:
- $(MAKE) $(ALL) CC="xlc" CFLAGS="-O2 -DLUA_USE_POSIX -DLUA_USE_DLOPEN" SYSLIBS="-ldl" SYSLDFLAGS="-brtl -bexpall"
-
-bsd:
- $(MAKE) $(ALL) SYSCFLAGS="-DLUA_USE_POSIX -DLUA_USE_DLOPEN" SYSLIBS="-Wl,-E"
-
-c89:
- $(MAKE) $(ALL) SYSCFLAGS="-DLUA_USE_C89" CC="gcc -std=c89"
- @echo ''
- @echo '*** C89 does not guarantee 64-bit integers for Lua.'
- @echo ''
-
-
-freebsd:
- $(MAKE) $(ALL) SYSCFLAGS="-DLUA_USE_LINUX -I/usr/include/edit" SYSLIBS="-Wl,-E -ledit" CC="cc"
-
-generic: $(ALL)
-
-linux:
- $(MAKE) $(ALL) SYSCFLAGS="-DLUA_USE_LINUX" SYSLIBS="-Wl,-E -ldl -lreadline"
-
-macosx:
- $(MAKE) $(ALL) SYSCFLAGS="-DLUA_USE_MACOSX" SYSLIBS="-lreadline"
-
-mingw:
- $(MAKE) "LUA_A=lua53.dll" "LUA_T=lua.exe" \
- "AR=$(CC) -shared -o" "RANLIB=strip --strip-unneeded" \
- "SYSCFLAGS=-DLUA_BUILD_AS_DLL" "SYSLIBS=" "SYSLDFLAGS=-s" lua.exe
- $(MAKE) "LUAC_T=luac.exe" luac.exe
-
-posix:
- $(MAKE) $(ALL) SYSCFLAGS="-DLUA_USE_POSIX"
-
-solaris:
- $(MAKE) $(ALL) SYSCFLAGS="-DLUA_USE_POSIX -DLUA_USE_DLOPEN -D_REENTRANT" SYSLIBS="-ldl"
-
-# list targets that do not create files (but not all makes understand .PHONY)
-.PHONY: all $(PLATS) default o a clean depend echo none
-
-# DO NOT DELETE
-
-lapi.o: lapi.c lprefix.h lua.h luaconf.h lapi.h llimits.h lstate.h \
- lobject.h ltm.h lzio.h lmem.h ldebug.h ldo.h lfunc.h lgc.h lstring.h \
- ltable.h lundump.h lvm.h
-lauxlib.o: lauxlib.c lprefix.h lua.h luaconf.h lauxlib.h
-lbaselib.o: lbaselib.c lprefix.h lua.h luaconf.h lauxlib.h lualib.h
-lbitlib.o: lbitlib.c lprefix.h lua.h luaconf.h lauxlib.h lualib.h
-lcode.o: lcode.c lprefix.h lua.h luaconf.h lcode.h llex.h lobject.h \
- llimits.h lzio.h lmem.h lopcodes.h lparser.h ldebug.h lstate.h ltm.h \
- ldo.h lgc.h lstring.h ltable.h lvm.h
-lcorolib.o: lcorolib.c lprefix.h lua.h luaconf.h lauxlib.h lualib.h
-lctype.o: lctype.c lprefix.h lctype.h lua.h luaconf.h llimits.h
-ldblib.o: ldblib.c lprefix.h lua.h luaconf.h lauxlib.h lualib.h
-ldebug.o: ldebug.c lprefix.h lua.h luaconf.h lapi.h llimits.h lstate.h \
- lobject.h ltm.h lzio.h lmem.h lcode.h llex.h lopcodes.h lparser.h \
- ldebug.h ldo.h lfunc.h lstring.h lgc.h ltable.h lvm.h
-ldo.o: ldo.c lprefix.h lua.h luaconf.h lapi.h llimits.h lstate.h \
- lobject.h ltm.h lzio.h lmem.h ldebug.h ldo.h lfunc.h lgc.h lopcodes.h \
- lparser.h lstring.h ltable.h lundump.h lvm.h
-ldump.o: ldump.c lprefix.h lua.h luaconf.h lobject.h llimits.h lstate.h \
- ltm.h lzio.h lmem.h lundump.h
-lfunc.o: lfunc.c lprefix.h lua.h luaconf.h lfunc.h lobject.h llimits.h \
- lgc.h lstate.h ltm.h lzio.h lmem.h
-lgc.o: lgc.c lprefix.h lua.h luaconf.h ldebug.h lstate.h lobject.h \
- llimits.h ltm.h lzio.h lmem.h ldo.h lfunc.h lgc.h lstring.h ltable.h
-linit.o: linit.c lprefix.h lua.h luaconf.h lualib.h lauxlib.h
-liolib.o: liolib.c lprefix.h lua.h luaconf.h lauxlib.h lualib.h
-llex.o: llex.c lprefix.h lua.h luaconf.h lctype.h llimits.h ldebug.h \
- lstate.h lobject.h ltm.h lzio.h lmem.h ldo.h lgc.h llex.h lparser.h \
- lstring.h ltable.h
-lmathlib.o: lmathlib.c lprefix.h lua.h luaconf.h lauxlib.h lualib.h
-lmem.o: lmem.c lprefix.h lua.h luaconf.h ldebug.h lstate.h lobject.h \
- llimits.h ltm.h lzio.h lmem.h ldo.h lgc.h
-loadlib.o: loadlib.c lprefix.h lua.h luaconf.h lauxlib.h lualib.h
-lobject.o: lobject.c lprefix.h lua.h luaconf.h lctype.h llimits.h \
- ldebug.h lstate.h lobject.h ltm.h lzio.h lmem.h ldo.h lstring.h lgc.h \
- lvm.h
-lopcodes.o: lopcodes.c lprefix.h lopcodes.h llimits.h lua.h luaconf.h
-loslib.o: loslib.c lprefix.h lua.h luaconf.h lauxlib.h lualib.h
-lparser.o: lparser.c lprefix.h lua.h luaconf.h lcode.h llex.h lobject.h \
- llimits.h lzio.h lmem.h lopcodes.h lparser.h ldebug.h lstate.h ltm.h \
- ldo.h lfunc.h lstring.h lgc.h ltable.h
-lstate.o: lstate.c lprefix.h lua.h luaconf.h lapi.h llimits.h lstate.h \
- lobject.h ltm.h lzio.h lmem.h ldebug.h ldo.h lfunc.h lgc.h llex.h \
- lstring.h ltable.h
-lstring.o: lstring.c lprefix.h lua.h luaconf.h ldebug.h lstate.h \
- lobject.h llimits.h ltm.h lzio.h lmem.h ldo.h lstring.h lgc.h
-lstrlib.o: lstrlib.c lprefix.h lua.h luaconf.h lauxlib.h lualib.h
-ltable.o: ltable.c lprefix.h lua.h luaconf.h ldebug.h lstate.h lobject.h \
- llimits.h ltm.h lzio.h lmem.h ldo.h lgc.h lstring.h ltable.h lvm.h
-ltablib.o: ltablib.c lprefix.h lua.h luaconf.h lauxlib.h lualib.h
-ltm.o: ltm.c lprefix.h lua.h luaconf.h ldebug.h lstate.h lobject.h \
- llimits.h ltm.h lzio.h lmem.h ldo.h lstring.h lgc.h ltable.h lvm.h
-lua.o: lua.c lprefix.h lua.h luaconf.h lauxlib.h lualib.h
-luac.o: luac.c lprefix.h lua.h luaconf.h lauxlib.h lobject.h llimits.h \
- lstate.h ltm.h lzio.h lmem.h lundump.h ldebug.h lopcodes.h
-lundump.o: lundump.c lprefix.h lua.h luaconf.h ldebug.h lstate.h \
- lobject.h llimits.h ltm.h lzio.h lmem.h ldo.h lfunc.h lstring.h lgc.h \
- lundump.h
-lutf8lib.o: lutf8lib.c lprefix.h lua.h luaconf.h lauxlib.h lualib.h
-lvm.o: lvm.c lprefix.h lua.h luaconf.h ldebug.h lstate.h lobject.h \
- llimits.h ltm.h lzio.h lmem.h ldo.h lfunc.h lgc.h lopcodes.h lstring.h \
- ltable.h lvm.h
-lzio.o: lzio.c lprefix.h lua.h luaconf.h llimits.h lmem.h lstate.h \
- lobject.h ltm.h lzio.h
-
-# (end of Makefile)
diff --git a/Build/source/libs/lua53/lua53-src/src/lapi.c b/Build/source/libs/lua53/lua53-src/src/lapi.c
deleted file mode 100644
index 711895b395b..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/lapi.c
+++ /dev/null
@@ -1,1299 +0,0 @@
-/*
-** $Id: lapi.c,v 2.259.1.2 2017/12/06 18:35:12 roberto Exp $
-** Lua API
-** See Copyright Notice in lua.h
-*/
-
-#define lapi_c
-#define LUA_CORE
-
-#include "lprefix.h"
-
-
-#include <stdarg.h>
-#include <string.h>
-
-#include "lua.h"
-
-#include "lapi.h"
-#include "ldebug.h"
-#include "ldo.h"
-#include "lfunc.h"
-#include "lgc.h"
-#include "lmem.h"
-#include "lobject.h"
-#include "lstate.h"
-#include "lstring.h"
-#include "ltable.h"
-#include "ltm.h"
-#include "lundump.h"
-#include "lvm.h"
-
-
-
-const char lua_ident[] =
- "$LuaVersion: " LUA_COPYRIGHT " $"
- "$LuaAuthors: " LUA_AUTHORS " $";
-
-
-/* value at a non-valid index */
-#define NONVALIDVALUE cast(TValue *, luaO_nilobject)
-
-/* corresponding test */
-#define isvalid(o) ((o) != luaO_nilobject)
-
-/* test for pseudo index */
-#define ispseudo(i) ((i) <= LUA_REGISTRYINDEX)
-
-/* test for upvalue */
-#define isupvalue(i) ((i) < LUA_REGISTRYINDEX)
-
-/* test for valid but not pseudo index */
-#define isstackindex(i, o) (isvalid(o) && !ispseudo(i))
-
-#define api_checkvalidindex(l,o) api_check(l, isvalid(o), "invalid index")
-
-#define api_checkstackindex(l, i, o) \
- api_check(l, isstackindex(i, o), "index not in the stack")
-
-
-static TValue *index2addr (lua_State *L, int idx) {
- CallInfo *ci = L->ci;
- if (idx > 0) {
- TValue *o = ci->func + idx;
- api_check(L, idx <= ci->top - (ci->func + 1), "unacceptable index");
- if (o >= L->top) return NONVALIDVALUE;
- else return o;
- }
- else if (!ispseudo(idx)) { /* negative index */
- api_check(L, idx != 0 && -idx <= L->top - (ci->func + 1), "invalid index");
- return L->top + idx;
- }
- else if (idx == LUA_REGISTRYINDEX)
- return &G(L)->l_registry;
- else { /* upvalues */
- idx = LUA_REGISTRYINDEX - idx;
- api_check(L, idx <= MAXUPVAL + 1, "upvalue index too large");
- if (ttislcf(ci->func)) /* light C function? */
- return NONVALIDVALUE; /* it has no upvalues */
- else {
- CClosure *func = clCvalue(ci->func);
- return (idx <= func->nupvalues) ? &func->upvalue[idx-1] : NONVALIDVALUE;
- }
- }
-}
-
-
-/*
-** to be called by 'lua_checkstack' in protected mode, to grow stack
-** capturing memory errors
-*/
-static void growstack (lua_State *L, void *ud) {
- int size = *(int *)ud;
- luaD_growstack(L, size);
-}
-
-
-LUA_API int lua_checkstack (lua_State *L, int n) {
- int res;
- CallInfo *ci = L->ci;
- lua_lock(L);
- api_check(L, n >= 0, "negative 'n'");
- if (L->stack_last - L->top > n) /* stack large enough? */
- res = 1; /* yes; check is OK */
- else { /* no; need to grow stack */
- int inuse = cast_int(L->top - L->stack) + EXTRA_STACK;
- if (inuse > LUAI_MAXSTACK - n) /* can grow without overflow? */
- res = 0; /* no */
- else /* try to grow stack */
- res = (luaD_rawrunprotected(L, &growstack, &n) == LUA_OK);
- }
- if (res && ci->top < L->top + n)
- ci->top = L->top + n; /* adjust frame top */
- lua_unlock(L);
- return res;
-}
-
-
-LUA_API void lua_xmove (lua_State *from, lua_State *to, int n) {
- int i;
- if (from == to) return;
- lua_lock(to);
- api_checknelems(from, n);
- api_check(from, G(from) == G(to), "moving among independent states");
- api_check(from, to->ci->top - to->top >= n, "stack overflow");
- from->top -= n;
- for (i = 0; i < n; i++) {
- setobj2s(to, to->top, from->top + i);
- to->top++; /* stack already checked by previous 'api_check' */
- }
- lua_unlock(to);
-}
-
-
-LUA_API lua_CFunction lua_atpanic (lua_State *L, lua_CFunction panicf) {
- lua_CFunction old;
- lua_lock(L);
- old = G(L)->panic;
- G(L)->panic = panicf;
- lua_unlock(L);
- return old;
-}
-
-
-LUA_API const lua_Number *lua_version (lua_State *L) {
- static const lua_Number version = LUA_VERSION_NUM;
- if (L == NULL) return &version;
- else return G(L)->version;
-}
-
-
-
-/*
-** basic stack manipulation
-*/
-
-
-/*
-** convert an acceptable stack index into an absolute index
-*/
-LUA_API int lua_absindex (lua_State *L, int idx) {
- return (idx > 0 || ispseudo(idx))
- ? idx
- : cast_int(L->top - L->ci->func) + idx;
-}
-
-
-LUA_API int lua_gettop (lua_State *L) {
- return cast_int(L->top - (L->ci->func + 1));
-}
-
-
-LUA_API void lua_settop (lua_State *L, int idx) {
- StkId func = L->ci->func;
- lua_lock(L);
- if (idx >= 0) {
- api_check(L, idx <= L->stack_last - (func + 1), "new top too large");
- while (L->top < (func + 1) + idx)
- setnilvalue(L->top++);
- L->top = (func + 1) + idx;
- }
- else {
- api_check(L, -(idx+1) <= (L->top - (func + 1)), "invalid new top");
- L->top += idx+1; /* 'subtract' index (index is negative) */
- }
- lua_unlock(L);
-}
-
-
-/*
-** Reverse the stack segment from 'from' to 'to'
-** (auxiliary to 'lua_rotate')
-*/
-static void reverse (lua_State *L, StkId from, StkId to) {
- for (; from < to; from++, to--) {
- TValue temp;
- setobj(L, &temp, from);
- setobjs2s(L, from, to);
- setobj2s(L, to, &temp);
- }
-}
-
-
-/*
-** Let x = AB, where A is a prefix of length 'n'. Then,
-** rotate x n == BA. But BA == (A^r . B^r)^r.
-*/
-LUA_API void lua_rotate (lua_State *L, int idx, int n) {
- StkId p, t, m;
- lua_lock(L);
- t = L->top - 1; /* end of stack segment being rotated */
- p = index2addr(L, idx); /* start of segment */
- api_checkstackindex(L, idx, p);
- api_check(L, (n >= 0 ? n : -n) <= (t - p + 1), "invalid 'n'");
- m = (n >= 0 ? t - n : p - n - 1); /* end of prefix */
- reverse(L, p, m); /* reverse the prefix with length 'n' */
- reverse(L, m + 1, t); /* reverse the suffix */
- reverse(L, p, t); /* reverse the entire segment */
- lua_unlock(L);
-}
-
-
-LUA_API void lua_copy (lua_State *L, int fromidx, int toidx) {
- TValue *fr, *to;
- lua_lock(L);
- fr = index2addr(L, fromidx);
- to = index2addr(L, toidx);
- api_checkvalidindex(L, to);
- setobj(L, to, fr);
- if (isupvalue(toidx)) /* function upvalue? */
- luaC_barrier(L, clCvalue(L->ci->func), fr);
- /* LUA_REGISTRYINDEX does not need gc barrier
- (collector revisits it before finishing collection) */
- lua_unlock(L);
-}
-
-
-LUA_API void lua_pushvalue (lua_State *L, int idx) {
- lua_lock(L);
- setobj2s(L, L->top, index2addr(L, idx));
- api_incr_top(L);
- lua_unlock(L);
-}
-
-
-
-/*
-** access functions (stack -> C)
-*/
-
-
-LUA_API int lua_type (lua_State *L, int idx) {
- StkId o = index2addr(L, idx);
- return (isvalid(o) ? ttnov(o) : LUA_TNONE);
-}
-
-
-LUA_API const char *lua_typename (lua_State *L, int t) {
- UNUSED(L);
- api_check(L, LUA_TNONE <= t && t < LUA_NUMTAGS, "invalid tag");
- return ttypename(t);
-}
-
-
-LUA_API int lua_iscfunction (lua_State *L, int idx) {
- StkId o = index2addr(L, idx);
- return (ttislcf(o) || (ttisCclosure(o)));
-}
-
-
-LUA_API int lua_isinteger (lua_State *L, int idx) {
- StkId o = index2addr(L, idx);
- return ttisinteger(o);
-}
-
-
-LUA_API int lua_isnumber (lua_State *L, int idx) {
- lua_Number n;
- const TValue *o = index2addr(L, idx);
- return tonumber(o, &n);
-}
-
-
-LUA_API int lua_isstring (lua_State *L, int idx) {
- const TValue *o = index2addr(L, idx);
- return (ttisstring(o) || cvt2str(o));
-}
-
-
-LUA_API int lua_isuserdata (lua_State *L, int idx) {
- const TValue *o = index2addr(L, idx);
- return (ttisfulluserdata(o) || ttislightuserdata(o));
-}
-
-
-LUA_API int lua_rawequal (lua_State *L, int index1, int index2) {
- StkId o1 = index2addr(L, index1);
- StkId o2 = index2addr(L, index2);
- return (isvalid(o1) && isvalid(o2)) ? luaV_rawequalobj(o1, o2) : 0;
-}
-
-
-LUA_API void lua_arith (lua_State *L, int op) {
- lua_lock(L);
- if (op != LUA_OPUNM && op != LUA_OPBNOT)
- api_checknelems(L, 2); /* all other operations expect two operands */
- else { /* for unary operations, add fake 2nd operand */
- api_checknelems(L, 1);
- setobjs2s(L, L->top, L->top - 1);
- api_incr_top(L);
- }
- /* first operand at top - 2, second at top - 1; result go to top - 2 */
- luaO_arith(L, op, L->top - 2, L->top - 1, L->top - 2);
- L->top--; /* remove second operand */
- lua_unlock(L);
-}
-
-
-LUA_API int lua_compare (lua_State *L, int index1, int index2, int op) {
- StkId o1, o2;
- int i = 0;
- lua_lock(L); /* may call tag method */
- o1 = index2addr(L, index1);
- o2 = index2addr(L, index2);
- if (isvalid(o1) && isvalid(o2)) {
- switch (op) {
- case LUA_OPEQ: i = luaV_equalobj(L, o1, o2); break;
- case LUA_OPLT: i = luaV_lessthan(L, o1, o2); break;
- case LUA_OPLE: i = luaV_lessequal(L, o1, o2); break;
- default: api_check(L, 0, "invalid option");
- }
- }
- lua_unlock(L);
- return i;
-}
-
-
-LUA_API size_t lua_stringtonumber (lua_State *L, const char *s) {
- size_t sz = luaO_str2num(s, L->top);
- if (sz != 0)
- api_incr_top(L);
- return sz;
-}
-
-
-LUA_API lua_Number lua_tonumberx (lua_State *L, int idx, int *pisnum) {
- lua_Number n;
- const TValue *o = index2addr(L, idx);
- int isnum = tonumber(o, &n);
- if (!isnum)
- n = 0; /* call to 'tonumber' may change 'n' even if it fails */
- if (pisnum) *pisnum = isnum;
- return n;
-}
-
-
-LUA_API lua_Integer lua_tointegerx (lua_State *L, int idx, int *pisnum) {
- lua_Integer res;
- const TValue *o = index2addr(L, idx);
- int isnum = tointeger(o, &res);
- if (!isnum)
- res = 0; /* call to 'tointeger' may change 'n' even if it fails */
- if (pisnum) *pisnum = isnum;
- return res;
-}
-
-
-LUA_API int lua_toboolean (lua_State *L, int idx) {
- const TValue *o = index2addr(L, idx);
- return !l_isfalse(o);
-}
-
-
-LUA_API const char *lua_tolstring (lua_State *L, int idx, size_t *len) {
- StkId o = index2addr(L, idx);
- if (!ttisstring(o)) {
- if (!cvt2str(o)) { /* not convertible? */
- if (len != NULL) *len = 0;
- return NULL;
- }
- lua_lock(L); /* 'luaO_tostring' may create a new string */
- luaO_tostring(L, o);
- luaC_checkGC(L);
- o = index2addr(L, idx); /* previous call may reallocate the stack */
- lua_unlock(L);
- }
- if (len != NULL)
- *len = vslen(o);
- return svalue(o);
-}
-
-
-LUA_API size_t lua_rawlen (lua_State *L, int idx) {
- StkId o = index2addr(L, idx);
- switch (ttype(o)) {
- case LUA_TSHRSTR: return tsvalue(o)->shrlen;
- case LUA_TLNGSTR: return tsvalue(o)->u.lnglen;
- case LUA_TUSERDATA: return uvalue(o)->len;
- case LUA_TTABLE: return luaH_getn(hvalue(o));
- default: return 0;
- }
-}
-
-
-LUA_API lua_CFunction lua_tocfunction (lua_State *L, int idx) {
- StkId o = index2addr(L, idx);
- if (ttislcf(o)) return fvalue(o);
- else if (ttisCclosure(o))
- return clCvalue(o)->f;
- else return NULL; /* not a C function */
-}
-
-
-LUA_API void *lua_touserdata (lua_State *L, int idx) {
- StkId o = index2addr(L, idx);
- switch (ttnov(o)) {
- case LUA_TUSERDATA: return getudatamem(uvalue(o));
- case LUA_TLIGHTUSERDATA: return pvalue(o);
- default: return NULL;
- }
-}
-
-
-LUA_API lua_State *lua_tothread (lua_State *L, int idx) {
- StkId o = index2addr(L, idx);
- return (!ttisthread(o)) ? NULL : thvalue(o);
-}
-
-
-LUA_API const void *lua_topointer (lua_State *L, int idx) {
- StkId o = index2addr(L, idx);
- switch (ttype(o)) {
- case LUA_TTABLE: return hvalue(o);
- case LUA_TLCL: return clLvalue(o);
- case LUA_TCCL: return clCvalue(o);
- case LUA_TLCF: return cast(void *, cast(size_t, fvalue(o)));
- case LUA_TTHREAD: return thvalue(o);
- case LUA_TUSERDATA: return getudatamem(uvalue(o));
- case LUA_TLIGHTUSERDATA: return pvalue(o);
- default: return NULL;
- }
-}
-
-
-
-/*
-** push functions (C -> stack)
-*/
-
-
-LUA_API void lua_pushnil (lua_State *L) {
- lua_lock(L);
- setnilvalue(L->top);
- api_incr_top(L);
- lua_unlock(L);
-}
-
-
-LUA_API void lua_pushnumber (lua_State *L, lua_Number n) {
- lua_lock(L);
- setfltvalue(L->top, n);
- api_incr_top(L);
- lua_unlock(L);
-}
-
-
-LUA_API void lua_pushinteger (lua_State *L, lua_Integer n) {
- lua_lock(L);
- setivalue(L->top, n);
- api_incr_top(L);
- lua_unlock(L);
-}
-
-
-/*
-** Pushes on the stack a string with given length. Avoid using 's' when
-** 'len' == 0 (as 's' can be NULL in that case), due to later use of
-** 'memcmp' and 'memcpy'.
-*/
-LUA_API const char *lua_pushlstring (lua_State *L, const char *s, size_t len) {
- TString *ts;
- lua_lock(L);
- ts = (len == 0) ? luaS_new(L, "") : luaS_newlstr(L, s, len);
- setsvalue2s(L, L->top, ts);
- api_incr_top(L);
- luaC_checkGC(L);
- lua_unlock(L);
- return getstr(ts);
-}
-
-
-LUA_API const char *lua_pushstring (lua_State *L, const char *s) {
- lua_lock(L);
- if (s == NULL)
- setnilvalue(L->top);
- else {
- TString *ts;
- ts = luaS_new(L, s);
- setsvalue2s(L, L->top, ts);
- s = getstr(ts); /* internal copy's address */
- }
- api_incr_top(L);
- luaC_checkGC(L);
- lua_unlock(L);
- return s;
-}
-
-
-LUA_API const char *lua_pushvfstring (lua_State *L, const char *fmt,
- va_list argp) {
- const char *ret;
- lua_lock(L);
- ret = luaO_pushvfstring(L, fmt, argp);
- luaC_checkGC(L);
- lua_unlock(L);
- return ret;
-}
-
-
-LUA_API const char *lua_pushfstring (lua_State *L, const char *fmt, ...) {
- const char *ret;
- va_list argp;
- lua_lock(L);
- va_start(argp, fmt);
- ret = luaO_pushvfstring(L, fmt, argp);
- va_end(argp);
- luaC_checkGC(L);
- lua_unlock(L);
- return ret;
-}
-
-
-LUA_API void lua_pushcclosure (lua_State *L, lua_CFunction fn, int n) {
- lua_lock(L);
- if (n == 0) {
- setfvalue(L->top, fn);
- api_incr_top(L);
- }
- else {
- CClosure *cl;
- api_checknelems(L, n);
- api_check(L, n <= MAXUPVAL, "upvalue index too large");
- cl = luaF_newCclosure(L, n);
- cl->f = fn;
- L->top -= n;
- while (n--) {
- setobj2n(L, &cl->upvalue[n], L->top + n);
- /* does not need barrier because closure is white */
- }
- setclCvalue(L, L->top, cl);
- api_incr_top(L);
- luaC_checkGC(L);
- }
- lua_unlock(L);
-}
-
-
-LUA_API void lua_pushboolean (lua_State *L, int b) {
- lua_lock(L);
- setbvalue(L->top, (b != 0)); /* ensure that true is 1 */
- api_incr_top(L);
- lua_unlock(L);
-}
-
-
-LUA_API void lua_pushlightuserdata (lua_State *L, void *p) {
- lua_lock(L);
- setpvalue(L->top, p);
- api_incr_top(L);
- lua_unlock(L);
-}
-
-
-LUA_API int lua_pushthread (lua_State *L) {
- lua_lock(L);
- setthvalue(L, L->top, L);
- api_incr_top(L);
- lua_unlock(L);
- return (G(L)->mainthread == L);
-}
-
-
-
-/*
-** get functions (Lua -> stack)
-*/
-
-
-static int auxgetstr (lua_State *L, const TValue *t, const char *k) {
- const TValue *slot;
- TString *str = luaS_new(L, k);
- if (luaV_fastget(L, t, str, slot, luaH_getstr)) {
- setobj2s(L, L->top, slot);
- api_incr_top(L);
- }
- else {
- setsvalue2s(L, L->top, str);
- api_incr_top(L);
- luaV_finishget(L, t, L->top - 1, L->top - 1, slot);
- }
- lua_unlock(L);
- return ttnov(L->top - 1);
-}
-
-
-LUA_API int lua_getglobal (lua_State *L, const char *name) {
- Table *reg = hvalue(&G(L)->l_registry);
- lua_lock(L);
- return auxgetstr(L, luaH_getint(reg, LUA_RIDX_GLOBALS), name);
-}
-
-
-LUA_API int lua_gettable (lua_State *L, int idx) {
- StkId t;
- lua_lock(L);
- t = index2addr(L, idx);
- luaV_gettable(L, t, L->top - 1, L->top - 1);
- lua_unlock(L);
- return ttnov(L->top - 1);
-}
-
-
-LUA_API int lua_getfield (lua_State *L, int idx, const char *k) {
- lua_lock(L);
- return auxgetstr(L, index2addr(L, idx), k);
-}
-
-
-LUA_API int lua_geti (lua_State *L, int idx, lua_Integer n) {
- StkId t;
- const TValue *slot;
- lua_lock(L);
- t = index2addr(L, idx);
- if (luaV_fastget(L, t, n, slot, luaH_getint)) {
- setobj2s(L, L->top, slot);
- api_incr_top(L);
- }
- else {
- setivalue(L->top, n);
- api_incr_top(L);
- luaV_finishget(L, t, L->top - 1, L->top - 1, slot);
- }
- lua_unlock(L);
- return ttnov(L->top - 1);
-}
-
-
-LUA_API int lua_rawget (lua_State *L, int idx) {
- StkId t;
- lua_lock(L);
- t = index2addr(L, idx);
- api_check(L, ttistable(t), "table expected");
- setobj2s(L, L->top - 1, luaH_get(hvalue(t), L->top - 1));
- lua_unlock(L);
- return ttnov(L->top - 1);
-}
-
-
-LUA_API int lua_rawgeti (lua_State *L, int idx, lua_Integer n) {
- StkId t;
- lua_lock(L);
- t = index2addr(L, idx);
- api_check(L, ttistable(t), "table expected");
- setobj2s(L, L->top, luaH_getint(hvalue(t), n));
- api_incr_top(L);
- lua_unlock(L);
- return ttnov(L->top - 1);
-}
-
-
-LUA_API int lua_rawgetp (lua_State *L, int idx, const void *p) {
- StkId t;
- TValue k;
- lua_lock(L);
- t = index2addr(L, idx);
- api_check(L, ttistable(t), "table expected");
- setpvalue(&k, cast(void *, p));
- setobj2s(L, L->top, luaH_get(hvalue(t), &k));
- api_incr_top(L);
- lua_unlock(L);
- return ttnov(L->top - 1);
-}
-
-
-LUA_API void lua_createtable (lua_State *L, int narray, int nrec) {
- Table *t;
- lua_lock(L);
- t = luaH_new(L);
- sethvalue(L, L->top, t);
- api_incr_top(L);
- if (narray > 0 || nrec > 0)
- luaH_resize(L, t, narray, nrec);
- luaC_checkGC(L);
- lua_unlock(L);
-}
-
-
-LUA_API int lua_getmetatable (lua_State *L, int objindex) {
- const TValue *obj;
- Table *mt;
- int res = 0;
- lua_lock(L);
- obj = index2addr(L, objindex);
- switch (ttnov(obj)) {
- case LUA_TTABLE:
- mt = hvalue(obj)->metatable;
- break;
- case LUA_TUSERDATA:
- mt = uvalue(obj)->metatable;
- break;
- default:
- mt = G(L)->mt[ttnov(obj)];
- break;
- }
- if (mt != NULL) {
- sethvalue(L, L->top, mt);
- api_incr_top(L);
- res = 1;
- }
- lua_unlock(L);
- return res;
-}
-
-
-LUA_API int lua_getuservalue (lua_State *L, int idx) {
- StkId o;
- lua_lock(L);
- o = index2addr(L, idx);
- api_check(L, ttisfulluserdata(o), "full userdata expected");
- getuservalue(L, uvalue(o), L->top);
- api_incr_top(L);
- lua_unlock(L);
- return ttnov(L->top - 1);
-}
-
-
-/*
-** set functions (stack -> Lua)
-*/
-
-/*
-** t[k] = value at the top of the stack (where 'k' is a string)
-*/
-static void auxsetstr (lua_State *L, const TValue *t, const char *k) {
- const TValue *slot;
- TString *str = luaS_new(L, k);
- api_checknelems(L, 1);
- if (luaV_fastset(L, t, str, slot, luaH_getstr, L->top - 1))
- L->top--; /* pop value */
- else {
- setsvalue2s(L, L->top, str); /* push 'str' (to make it a TValue) */
- api_incr_top(L);
- luaV_finishset(L, t, L->top - 1, L->top - 2, slot);
- L->top -= 2; /* pop value and key */
- }
- lua_unlock(L); /* lock done by caller */
-}
-
-
-LUA_API void lua_setglobal (lua_State *L, const char *name) {
- Table *reg = hvalue(&G(L)->l_registry);
- lua_lock(L); /* unlock done in 'auxsetstr' */
- auxsetstr(L, luaH_getint(reg, LUA_RIDX_GLOBALS), name);
-}
-
-
-LUA_API void lua_settable (lua_State *L, int idx) {
- StkId t;
- lua_lock(L);
- api_checknelems(L, 2);
- t = index2addr(L, idx);
- luaV_settable(L, t, L->top - 2, L->top - 1);
- L->top -= 2; /* pop index and value */
- lua_unlock(L);
-}
-
-
-LUA_API void lua_setfield (lua_State *L, int idx, const char *k) {
- lua_lock(L); /* unlock done in 'auxsetstr' */
- auxsetstr(L, index2addr(L, idx), k);
-}
-
-
-LUA_API void lua_seti (lua_State *L, int idx, lua_Integer n) {
- StkId t;
- const TValue *slot;
- lua_lock(L);
- api_checknelems(L, 1);
- t = index2addr(L, idx);
- if (luaV_fastset(L, t, n, slot, luaH_getint, L->top - 1))
- L->top--; /* pop value */
- else {
- setivalue(L->top, n);
- api_incr_top(L);
- luaV_finishset(L, t, L->top - 1, L->top - 2, slot);
- L->top -= 2; /* pop value and key */
- }
- lua_unlock(L);
-}
-
-
-LUA_API void lua_rawset (lua_State *L, int idx) {
- StkId o;
- TValue *slot;
- lua_lock(L);
- api_checknelems(L, 2);
- o = index2addr(L, idx);
- api_check(L, ttistable(o), "table expected");
- slot = luaH_set(L, hvalue(o), L->top - 2);
- setobj2t(L, slot, L->top - 1);
- invalidateTMcache(hvalue(o));
- luaC_barrierback(L, hvalue(o), L->top-1);
- L->top -= 2;
- lua_unlock(L);
-}
-
-
-LUA_API void lua_rawseti (lua_State *L, int idx, lua_Integer n) {
- StkId o;
- lua_lock(L);
- api_checknelems(L, 1);
- o = index2addr(L, idx);
- api_check(L, ttistable(o), "table expected");
- luaH_setint(L, hvalue(o), n, L->top - 1);
- luaC_barrierback(L, hvalue(o), L->top-1);
- L->top--;
- lua_unlock(L);
-}
-
-
-LUA_API void lua_rawsetp (lua_State *L, int idx, const void *p) {
- StkId o;
- TValue k, *slot;
- lua_lock(L);
- api_checknelems(L, 1);
- o = index2addr(L, idx);
- api_check(L, ttistable(o), "table expected");
- setpvalue(&k, cast(void *, p));
- slot = luaH_set(L, hvalue(o), &k);
- setobj2t(L, slot, L->top - 1);
- luaC_barrierback(L, hvalue(o), L->top - 1);
- L->top--;
- lua_unlock(L);
-}
-
-
-LUA_API int lua_setmetatable (lua_State *L, int objindex) {
- TValue *obj;
- Table *mt;
- lua_lock(L);
- api_checknelems(L, 1);
- obj = index2addr(L, objindex);
- if (ttisnil(L->top - 1))
- mt = NULL;
- else {
- api_check(L, ttistable(L->top - 1), "table expected");
- mt = hvalue(L->top - 1);
- }
- switch (ttnov(obj)) {
- case LUA_TTABLE: {
- hvalue(obj)->metatable = mt;
- if (mt) {
- luaC_objbarrier(L, gcvalue(obj), mt);
- luaC_checkfinalizer(L, gcvalue(obj), mt);
- }
- break;
- }
- case LUA_TUSERDATA: {
- uvalue(obj)->metatable = mt;
- if (mt) {
- luaC_objbarrier(L, uvalue(obj), mt);
- luaC_checkfinalizer(L, gcvalue(obj), mt);
- }
- break;
- }
- default: {
- G(L)->mt[ttnov(obj)] = mt;
- break;
- }
- }
- L->top--;
- lua_unlock(L);
- return 1;
-}
-
-
-LUA_API void lua_setuservalue (lua_State *L, int idx) {
- StkId o;
- lua_lock(L);
- api_checknelems(L, 1);
- o = index2addr(L, idx);
- api_check(L, ttisfulluserdata(o), "full userdata expected");
- setuservalue(L, uvalue(o), L->top - 1);
- luaC_barrier(L, gcvalue(o), L->top - 1);
- L->top--;
- lua_unlock(L);
-}
-
-
-/*
-** 'load' and 'call' functions (run Lua code)
-*/
-
-
-#define checkresults(L,na,nr) \
- api_check(L, (nr) == LUA_MULTRET || (L->ci->top - L->top >= (nr) - (na)), \
- "results from function overflow current stack size")
-
-
-LUA_API void lua_callk (lua_State *L, int nargs, int nresults,
- lua_KContext ctx, lua_KFunction k) {
- StkId func;
- lua_lock(L);
- api_check(L, k == NULL || !isLua(L->ci),
- "cannot use continuations inside hooks");
- api_checknelems(L, nargs+1);
- api_check(L, L->status == LUA_OK, "cannot do calls on non-normal thread");
- checkresults(L, nargs, nresults);
- func = L->top - (nargs+1);
- if (k != NULL && L->nny == 0) { /* need to prepare continuation? */
- L->ci->u.c.k = k; /* save continuation */
- L->ci->u.c.ctx = ctx; /* save context */
- luaD_call(L, func, nresults); /* do the call */
- }
- else /* no continuation or no yieldable */
- luaD_callnoyield(L, func, nresults); /* just do the call */
- adjustresults(L, nresults);
- lua_unlock(L);
-}
-
-
-
-/*
-** Execute a protected call.
-*/
-struct CallS { /* data to 'f_call' */
- StkId func;
- int nresults;
-};
-
-
-static void f_call (lua_State *L, void *ud) {
- struct CallS *c = cast(struct CallS *, ud);
- luaD_callnoyield(L, c->func, c->nresults);
-}
-
-
-
-LUA_API int lua_pcallk (lua_State *L, int nargs, int nresults, int errfunc,
- lua_KContext ctx, lua_KFunction k) {
- struct CallS c;
- int status;
- ptrdiff_t func;
- lua_lock(L);
- api_check(L, k == NULL || !isLua(L->ci),
- "cannot use continuations inside hooks");
- api_checknelems(L, nargs+1);
- api_check(L, L->status == LUA_OK, "cannot do calls on non-normal thread");
- checkresults(L, nargs, nresults);
- if (errfunc == 0)
- func = 0;
- else {
- StkId o = index2addr(L, errfunc);
- api_checkstackindex(L, errfunc, o);
- func = savestack(L, o);
- }
- c.func = L->top - (nargs+1); /* function to be called */
- if (k == NULL || L->nny > 0) { /* no continuation or no yieldable? */
- c.nresults = nresults; /* do a 'conventional' protected call */
- status = luaD_pcall(L, f_call, &c, savestack(L, c.func), func);
- }
- else { /* prepare continuation (call is already protected by 'resume') */
- CallInfo *ci = L->ci;
- ci->u.c.k = k; /* save continuation */
- ci->u.c.ctx = ctx; /* save context */
- /* save information for error recovery */
- ci->extra = savestack(L, c.func);
- ci->u.c.old_errfunc = L->errfunc;
- L->errfunc = func;
- setoah(ci->callstatus, L->allowhook); /* save value of 'allowhook' */
- ci->callstatus |= CIST_YPCALL; /* function can do error recovery */
- luaD_call(L, c.func, nresults); /* do the call */
- ci->callstatus &= ~CIST_YPCALL;
- L->errfunc = ci->u.c.old_errfunc;
- status = LUA_OK; /* if it is here, there were no errors */
- }
- adjustresults(L, nresults);
- lua_unlock(L);
- return status;
-}
-
-
-LUA_API int lua_load (lua_State *L, lua_Reader reader, void *data,
- const char *chunkname, const char *mode) {
- ZIO z;
- int status;
- lua_lock(L);
- if (!chunkname) chunkname = "?";
- luaZ_init(L, &z, reader, data);
- status = luaD_protectedparser(L, &z, chunkname, mode);
- if (status == LUA_OK) { /* no errors? */
- LClosure *f = clLvalue(L->top - 1); /* get newly created function */
- if (f->nupvalues >= 1) { /* does it have an upvalue? */
- /* get global table from registry */
- Table *reg = hvalue(&G(L)->l_registry);
- const TValue *gt = luaH_getint(reg, LUA_RIDX_GLOBALS);
- /* set global table as 1st upvalue of 'f' (may be LUA_ENV) */
- setobj(L, f->upvals[0]->v, gt);
- luaC_upvalbarrier(L, f->upvals[0]);
- }
- }
- lua_unlock(L);
- return status;
-}
-
-
-LUA_API int lua_dump (lua_State *L, lua_Writer writer, void *data, int strip) {
- int status;
- TValue *o;
- lua_lock(L);
- api_checknelems(L, 1);
- o = L->top - 1;
- if (isLfunction(o))
- status = luaU_dump(L, getproto(o), writer, data, strip);
- else
- status = 1;
- lua_unlock(L);
- return status;
-}
-
-
-LUA_API int lua_status (lua_State *L) {
- return L->status;
-}
-
-
-/*
-** Garbage-collection function
-*/
-
-LUA_API int lua_gc (lua_State *L, int what, int data) {
- int res = 0;
- global_State *g;
- lua_lock(L);
- g = G(L);
- switch (what) {
- case LUA_GCSTOP: {
- g->gcrunning = 0;
- break;
- }
- case LUA_GCRESTART: {
- luaE_setdebt(g, 0);
- g->gcrunning = 1;
- break;
- }
- case LUA_GCCOLLECT: {
- luaC_fullgc(L, 0);
- break;
- }
- case LUA_GCCOUNT: {
- /* GC values are expressed in Kbytes: #bytes/2^10 */
- res = cast_int(gettotalbytes(g) >> 10);
- break;
- }
- case LUA_GCCOUNTB: {
- res = cast_int(gettotalbytes(g) & 0x3ff);
- break;
- }
- case LUA_GCSTEP: {
- l_mem debt = 1; /* =1 to signal that it did an actual step */
- lu_byte oldrunning = g->gcrunning;
- g->gcrunning = 1; /* allow GC to run */
- if (data == 0) {
- luaE_setdebt(g, -GCSTEPSIZE); /* to do a "small" step */
- luaC_step(L);
- }
- else { /* add 'data' to total debt */
- debt = cast(l_mem, data) * 1024 + g->GCdebt;
- luaE_setdebt(g, debt);
- luaC_checkGC(L);
- }
- g->gcrunning = oldrunning; /* restore previous state */
- if (debt > 0 && g->gcstate == GCSpause) /* end of cycle? */
- res = 1; /* signal it */
- break;
- }
- case LUA_GCSETPAUSE: {
- res = g->gcpause;
- g->gcpause = data;
- break;
- }
- case LUA_GCSETSTEPMUL: {
- res = g->gcstepmul;
- if (data < 40) data = 40; /* avoid ridiculous low values (and 0) */
- g->gcstepmul = data;
- break;
- }
- case LUA_GCISRUNNING: {
- res = g->gcrunning;
- break;
- }
- default: res = -1; /* invalid option */
- }
- lua_unlock(L);
- return res;
-}
-
-
-
-/*
-** miscellaneous functions
-*/
-
-
-LUA_API int lua_error (lua_State *L) {
- lua_lock(L);
- api_checknelems(L, 1);
- luaG_errormsg(L);
- /* code unreachable; will unlock when control actually leaves the kernel */
- return 0; /* to avoid warnings */
-}
-
-
-LUA_API int lua_next (lua_State *L, int idx) {
- StkId t;
- int more;
- lua_lock(L);
- t = index2addr(L, idx);
- api_check(L, ttistable(t), "table expected");
- more = luaH_next(L, hvalue(t), L->top - 1);
- if (more) {
- api_incr_top(L);
- }
- else /* no more elements */
- L->top -= 1; /* remove key */
- lua_unlock(L);
- return more;
-}
-
-
-LUA_API void lua_concat (lua_State *L, int n) {
- lua_lock(L);
- api_checknelems(L, n);
- if (n >= 2) {
- luaV_concat(L, n);
- }
- else if (n == 0) { /* push empty string */
- setsvalue2s(L, L->top, luaS_newlstr(L, "", 0));
- api_incr_top(L);
- }
- /* else n == 1; nothing to do */
- luaC_checkGC(L);
- lua_unlock(L);
-}
-
-
-LUA_API void lua_len (lua_State *L, int idx) {
- StkId t;
- lua_lock(L);
- t = index2addr(L, idx);
- luaV_objlen(L, L->top, t);
- api_incr_top(L);
- lua_unlock(L);
-}
-
-
-LUA_API lua_Alloc lua_getallocf (lua_State *L, void **ud) {
- lua_Alloc f;
- lua_lock(L);
- if (ud) *ud = G(L)->ud;
- f = G(L)->frealloc;
- lua_unlock(L);
- return f;
-}
-
-
-LUA_API void lua_setallocf (lua_State *L, lua_Alloc f, void *ud) {
- lua_lock(L);
- G(L)->ud = ud;
- G(L)->frealloc = f;
- lua_unlock(L);
-}
-
-
-LUA_API void *lua_newuserdata (lua_State *L, size_t size) {
- Udata *u;
- lua_lock(L);
- u = luaS_newudata(L, size);
- setuvalue(L, L->top, u);
- api_incr_top(L);
- luaC_checkGC(L);
- lua_unlock(L);
- return getudatamem(u);
-}
-
-
-
-static const char *aux_upvalue (StkId fi, int n, TValue **val,
- CClosure **owner, UpVal **uv) {
- switch (ttype(fi)) {
- case LUA_TCCL: { /* C closure */
- CClosure *f = clCvalue(fi);
- if (!(1 <= n && n <= f->nupvalues)) return NULL;
- *val = &f->upvalue[n-1];
- if (owner) *owner = f;
- return "";
- }
- case LUA_TLCL: { /* Lua closure */
- LClosure *f = clLvalue(fi);
- TString *name;
- Proto *p = f->p;
- if (!(1 <= n && n <= p->sizeupvalues)) return NULL;
- *val = f->upvals[n-1]->v;
- if (uv) *uv = f->upvals[n - 1];
- name = p->upvalues[n-1].name;
- return (name == NULL) ? "(*no name)" : getstr(name);
- }
- default: return NULL; /* not a closure */
- }
-}
-
-
-LUA_API const char *lua_getupvalue (lua_State *L, int funcindex, int n) {
- const char *name;
- TValue *val = NULL; /* to avoid warnings */
- lua_lock(L);
- name = aux_upvalue(index2addr(L, funcindex), n, &val, NULL, NULL);
- if (name) {
- setobj2s(L, L->top, val);
- api_incr_top(L);
- }
- lua_unlock(L);
- return name;
-}
-
-
-LUA_API const char *lua_setupvalue (lua_State *L, int funcindex, int n) {
- const char *name;
- TValue *val = NULL; /* to avoid warnings */
- CClosure *owner = NULL;
- UpVal *uv = NULL;
- StkId fi;
- lua_lock(L);
- fi = index2addr(L, funcindex);
- api_checknelems(L, 1);
- name = aux_upvalue(fi, n, &val, &owner, &uv);
- if (name) {
- L->top--;
- setobj(L, val, L->top);
- if (owner) { luaC_barrier(L, owner, L->top); }
- else if (uv) { luaC_upvalbarrier(L, uv); }
- }
- lua_unlock(L);
- return name;
-}
-
-
-static UpVal **getupvalref (lua_State *L, int fidx, int n) {
- LClosure *f;
- StkId fi = index2addr(L, fidx);
- api_check(L, ttisLclosure(fi), "Lua function expected");
- f = clLvalue(fi);
- api_check(L, (1 <= n && n <= f->p->sizeupvalues), "invalid upvalue index");
- return &f->upvals[n - 1]; /* get its upvalue pointer */
-}
-
-
-LUA_API void *lua_upvalueid (lua_State *L, int fidx, int n) {
- StkId fi = index2addr(L, fidx);
- switch (ttype(fi)) {
- case LUA_TLCL: { /* lua closure */
- return *getupvalref(L, fidx, n);
- }
- case LUA_TCCL: { /* C closure */
- CClosure *f = clCvalue(fi);
- api_check(L, 1 <= n && n <= f->nupvalues, "invalid upvalue index");
- return &f->upvalue[n - 1];
- }
- default: {
- api_check(L, 0, "closure expected");
- return NULL;
- }
- }
-}
-
-
-LUA_API void lua_upvaluejoin (lua_State *L, int fidx1, int n1,
- int fidx2, int n2) {
- UpVal **up1 = getupvalref(L, fidx1, n1);
- UpVal **up2 = getupvalref(L, fidx2, n2);
- if (*up1 == *up2)
- return;
- luaC_upvdeccount(L, *up1);
- *up1 = *up2;
- (*up1)->refcount++;
- if (upisopen(*up1)) (*up1)->u.open.touched = 1;
- luaC_upvalbarrier(L, *up1);
-}
-
-
diff --git a/Build/source/libs/lua53/lua53-src/src/lapi.h b/Build/source/libs/lua53/lua53-src/src/lapi.h
deleted file mode 100644
index 8e16ad53d99..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/lapi.h
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
-** $Id: lapi.h,v 2.9.1.1 2017/04/19 17:20:42 roberto Exp $
-** Auxiliary functions from Lua API
-** See Copyright Notice in lua.h
-*/
-
-#ifndef lapi_h
-#define lapi_h
-
-
-#include "llimits.h"
-#include "lstate.h"
-
-#define api_incr_top(L) {L->top++; api_check(L, L->top <= L->ci->top, \
- "stack overflow");}
-
-#define adjustresults(L,nres) \
- { if ((nres) == LUA_MULTRET && L->ci->top < L->top) L->ci->top = L->top; }
-
-#define api_checknelems(L,n) api_check(L, (n) < (L->top - L->ci->func), \
- "not enough elements in the stack")
-
-
-#endif
diff --git a/Build/source/libs/lua53/lua53-src/src/lauxlib.c b/Build/source/libs/lua53/lua53-src/src/lauxlib.c
deleted file mode 100644
index ac68bd32da9..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/lauxlib.c
+++ /dev/null
@@ -1,1048 +0,0 @@
-/*
-** $Id: lauxlib.c,v 1.289.1.1 2017/04/19 17:20:42 roberto Exp $
-** Auxiliary functions for building Lua libraries
-** See Copyright Notice in lua.h
-*/
-
-#define lauxlib_c
-#define LUA_LIB
-
-#include "lprefix.h"
-
-
-#include <errno.h>
-#include <stdarg.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-
-/*
-** This file uses only the official API of Lua.
-** Any function declared here could be written as an application function.
-*/
-
-#include "lua.h"
-
-#include "lauxlib.h"
-
-
-/*
-** {======================================================
-** Traceback
-** =======================================================
-*/
-
-
-#define LEVELS1 10 /* size of the first part of the stack */
-#define LEVELS2 11 /* size of the second part of the stack */
-
-
-
-/*
-** search for 'objidx' in table at index -1.
-** return 1 + string at top if find a good name.
-*/
-static int findfield (lua_State *L, int objidx, int level) {
- if (level == 0 || !lua_istable(L, -1))
- return 0; /* not found */
- lua_pushnil(L); /* start 'next' loop */
- while (lua_next(L, -2)) { /* for each pair in table */
- if (lua_type(L, -2) == LUA_TSTRING) { /* ignore non-string keys */
- if (lua_rawequal(L, objidx, -1)) { /* found object? */
- lua_pop(L, 1); /* remove value (but keep name) */
- return 1;
- }
- else if (findfield(L, objidx, level - 1)) { /* try recursively */
- lua_remove(L, -2); /* remove table (but keep name) */
- lua_pushliteral(L, ".");
- lua_insert(L, -2); /* place '.' between the two names */
- lua_concat(L, 3);
- return 1;
- }
- }
- lua_pop(L, 1); /* remove value */
- }
- return 0; /* not found */
-}
-
-
-/*
-** Search for a name for a function in all loaded modules
-*/
-static int pushglobalfuncname (lua_State *L, lua_Debug *ar) {
- int top = lua_gettop(L);
- lua_getinfo(L, "f", ar); /* push function */
- lua_getfield(L, LUA_REGISTRYINDEX, LUA_LOADED_TABLE);
- if (findfield(L, top + 1, 2)) {
- const char *name = lua_tostring(L, -1);
- if (strncmp(name, "_G.", 3) == 0) { /* name start with '_G.'? */
- lua_pushstring(L, name + 3); /* push name without prefix */
- lua_remove(L, -2); /* remove original name */
- }
- lua_copy(L, -1, top + 1); /* move name to proper place */
- lua_pop(L, 2); /* remove pushed values */
- return 1;
- }
- else {
- lua_settop(L, top); /* remove function and global table */
- return 0;
- }
-}
-
-
-static void pushfuncname (lua_State *L, lua_Debug *ar) {
- if (pushglobalfuncname(L, ar)) { /* try first a global name */
- lua_pushfstring(L, "function '%s'", lua_tostring(L, -1));
- lua_remove(L, -2); /* remove name */
- }
- else if (*ar->namewhat != '\0') /* is there a name from code? */
- lua_pushfstring(L, "%s '%s'", ar->namewhat, ar->name); /* use it */
- else if (*ar->what == 'm') /* main? */
- lua_pushliteral(L, "main chunk");
- else if (*ar->what != 'C') /* for Lua functions, use <file:line> */
- lua_pushfstring(L, "function <%s:%d>", ar->short_src, ar->linedefined);
- else /* nothing left... */
- lua_pushliteral(L, "?");
-}
-
-
-static int lastlevel (lua_State *L) {
- lua_Debug ar;
- int li = 1, le = 1;
- /* find an upper bound */
- while (lua_getstack(L, le, &ar)) { li = le; le *= 2; }
- /* do a binary search */
- while (li < le) {
- int m = (li + le)/2;
- if (lua_getstack(L, m, &ar)) li = m + 1;
- else le = m;
- }
- return le - 1;
-}
-
-
-LUALIB_API void luaL_traceback (lua_State *L, lua_State *L1,
- const char *msg, int level) {
- lua_Debug ar;
- int top = lua_gettop(L);
- int last = lastlevel(L1);
- int n1 = (last - level > LEVELS1 + LEVELS2) ? LEVELS1 : -1;
- if (msg)
- lua_pushfstring(L, "%s\n", msg);
- luaL_checkstack(L, 10, NULL);
- lua_pushliteral(L, "stack traceback:");
- while (lua_getstack(L1, level++, &ar)) {
- if (n1-- == 0) { /* too many levels? */
- lua_pushliteral(L, "\n\t..."); /* add a '...' */
- level = last - LEVELS2 + 1; /* and skip to last ones */
- }
- else {
- lua_getinfo(L1, "Slnt", &ar);
- lua_pushfstring(L, "\n\t%s:", ar.short_src);
- if (ar.currentline > 0)
- lua_pushfstring(L, "%d:", ar.currentline);
- lua_pushliteral(L, " in ");
- pushfuncname(L, &ar);
- if (ar.istailcall)
- lua_pushliteral(L, "\n\t(...tail calls...)");
- lua_concat(L, lua_gettop(L) - top);
- }
- }
- lua_concat(L, lua_gettop(L) - top);
-}
-
-/* }====================================================== */
-
-
-/*
-** {======================================================
-** Error-report functions
-** =======================================================
-*/
-
-LUALIB_API int luaL_argerror (lua_State *L, int arg, const char *extramsg) {
- lua_Debug ar;
- if (!lua_getstack(L, 0, &ar)) /* no stack frame? */
- return luaL_error(L, "bad argument #%d (%s)", arg, extramsg);
- lua_getinfo(L, "n", &ar);
- if (strcmp(ar.namewhat, "method") == 0) {
- arg--; /* do not count 'self' */
- if (arg == 0) /* error is in the self argument itself? */
- return luaL_error(L, "calling '%s' on bad self (%s)",
- ar.name, extramsg);
- }
- if (ar.name == NULL)
- ar.name = (pushglobalfuncname(L, &ar)) ? lua_tostring(L, -1) : "?";
- return luaL_error(L, "bad argument #%d to '%s' (%s)",
- arg, ar.name, extramsg);
-}
-
-
-static int typeerror (lua_State *L, int arg, const char *tname) {
- const char *msg;
- const char *typearg; /* name for the type of the actual argument */
- if (luaL_getmetafield(L, arg, "__name") == LUA_TSTRING)
- typearg = lua_tostring(L, -1); /* use the given type name */
- else if (lua_type(L, arg) == LUA_TLIGHTUSERDATA)
- typearg = "light userdata"; /* special name for messages */
- else
- typearg = luaL_typename(L, arg); /* standard name */
- msg = lua_pushfstring(L, "%s expected, got %s", tname, typearg);
- return luaL_argerror(L, arg, msg);
-}
-
-
-static void tag_error (lua_State *L, int arg, int tag) {
- typeerror(L, arg, lua_typename(L, tag));
-}
-
-
-/*
-** The use of 'lua_pushfstring' ensures this function does not
-** need reserved stack space when called.
-*/
-LUALIB_API void luaL_where (lua_State *L, int level) {
- lua_Debug ar;
- if (lua_getstack(L, level, &ar)) { /* check function at level */
- lua_getinfo(L, "Sl", &ar); /* get info about it */
- if (ar.currentline > 0) { /* is there info? */
- lua_pushfstring(L, "%s:%d: ", ar.short_src, ar.currentline);
- return;
- }
- }
- lua_pushfstring(L, ""); /* else, no information available... */
-}
-
-
-/*
-** Again, the use of 'lua_pushvfstring' ensures this function does
-** not need reserved stack space when called. (At worst, it generates
-** an error with "stack overflow" instead of the given message.)
-*/
-LUALIB_API int luaL_error (lua_State *L, const char *fmt, ...) {
- va_list argp;
- va_start(argp, fmt);
- luaL_where(L, 1);
- lua_pushvfstring(L, fmt, argp);
- va_end(argp);
- lua_concat(L, 2);
- return lua_error(L);
-}
-
-
-LUALIB_API int luaL_fileresult (lua_State *L, int stat, const char *fname) {
- int en = errno; /* calls to Lua API may change this value */
- if (stat) {
- lua_pushboolean(L, 1);
- return 1;
- }
- else {
- lua_pushnil(L);
- if (fname)
- lua_pushfstring(L, "%s: %s", fname, strerror(en));
- else
- lua_pushstring(L, strerror(en));
- lua_pushinteger(L, en);
- return 3;
- }
-}
-
-
-#if !defined(l_inspectstat) /* { */
-
-#if defined(LUA_USE_POSIX)
-
-#include <sys/wait.h>
-
-/*
-** use appropriate macros to interpret 'pclose' return status
-*/
-#define l_inspectstat(stat,what) \
- if (WIFEXITED(stat)) { stat = WEXITSTATUS(stat); } \
- else if (WIFSIGNALED(stat)) { stat = WTERMSIG(stat); what = "signal"; }
-
-#else
-
-#define l_inspectstat(stat,what) /* no op */
-
-#endif
-
-#endif /* } */
-
-
-LUALIB_API int luaL_execresult (lua_State *L, int stat) {
- const char *what = "exit"; /* type of termination */
- if (stat == -1) /* error? */
- return luaL_fileresult(L, 0, NULL);
- else {
- l_inspectstat(stat, what); /* interpret result */
- if (*what == 'e' && stat == 0) /* successful termination? */
- lua_pushboolean(L, 1);
- else
- lua_pushnil(L);
- lua_pushstring(L, what);
- lua_pushinteger(L, stat);
- return 3; /* return true/nil,what,code */
- }
-}
-
-/* }====================================================== */
-
-
-/*
-** {======================================================
-** Userdata's metatable manipulation
-** =======================================================
-*/
-
-LUALIB_API int luaL_newmetatable (lua_State *L, const char *tname) {
- if (luaL_getmetatable(L, tname) != LUA_TNIL) /* name already in use? */
- return 0; /* leave previous value on top, but return 0 */
- lua_pop(L, 1);
- lua_createtable(L, 0, 2); /* create metatable */
- lua_pushstring(L, tname);
- lua_setfield(L, -2, "__name"); /* metatable.__name = tname */
- lua_pushvalue(L, -1);
- lua_setfield(L, LUA_REGISTRYINDEX, tname); /* registry.name = metatable */
- return 1;
-}
-
-
-LUALIB_API void luaL_setmetatable (lua_State *L, const char *tname) {
- luaL_getmetatable(L, tname);
- lua_setmetatable(L, -2);
-}
-
-
-LUALIB_API void *luaL_testudata (lua_State *L, int ud, const char *tname) {
- void *p = lua_touserdata(L, ud);
- if (p != NULL) { /* value is a userdata? */
- if (lua_getmetatable(L, ud)) { /* does it have a metatable? */
- luaL_getmetatable(L, tname); /* get correct metatable */
- if (!lua_rawequal(L, -1, -2)) /* not the same? */
- p = NULL; /* value is a userdata with wrong metatable */
- lua_pop(L, 2); /* remove both metatables */
- return p;
- }
- }
- return NULL; /* value is not a userdata with a metatable */
-}
-
-
-LUALIB_API void *luaL_checkudata (lua_State *L, int ud, const char *tname) {
- void *p = luaL_testudata(L, ud, tname);
- if (p == NULL) typeerror(L, ud, tname);
- return p;
-}
-
-/* }====================================================== */
-
-
-/*
-** {======================================================
-** Argument check functions
-** =======================================================
-*/
-
-LUALIB_API int luaL_checkoption (lua_State *L, int arg, const char *def,
- const char *const lst[]) {
- const char *name = (def) ? luaL_optstring(L, arg, def) :
- luaL_checkstring(L, arg);
- int i;
- for (i=0; lst[i]; i++)
- if (strcmp(lst[i], name) == 0)
- return i;
- return luaL_argerror(L, arg,
- lua_pushfstring(L, "invalid option '%s'", name));
-}
-
-
-/*
-** Ensures the stack has at least 'space' extra slots, raising an error
-** if it cannot fulfill the request. (The error handling needs a few
-** extra slots to format the error message. In case of an error without
-** this extra space, Lua will generate the same 'stack overflow' error,
-** but without 'msg'.)
-*/
-LUALIB_API void luaL_checkstack (lua_State *L, int space, const char *msg) {
- if (!lua_checkstack(L, space)) {
- if (msg)
- luaL_error(L, "stack overflow (%s)", msg);
- else
- luaL_error(L, "stack overflow");
- }
-}
-
-
-LUALIB_API void luaL_checktype (lua_State *L, int arg, int t) {
- if (lua_type(L, arg) != t)
- tag_error(L, arg, t);
-}
-
-
-LUALIB_API void luaL_checkany (lua_State *L, int arg) {
- if (lua_type(L, arg) == LUA_TNONE)
- luaL_argerror(L, arg, "value expected");
-}
-
-
-LUALIB_API const char *luaL_checklstring (lua_State *L, int arg, size_t *len) {
- const char *s = lua_tolstring(L, arg, len);
- if (!s) tag_error(L, arg, LUA_TSTRING);
- return s;
-}
-
-
-LUALIB_API const char *luaL_optlstring (lua_State *L, int arg,
- const char *def, size_t *len) {
- if (lua_isnoneornil(L, arg)) {
- if (len)
- *len = (def ? strlen(def) : 0);
- return def;
- }
- else return luaL_checklstring(L, arg, len);
-}
-
-
-LUALIB_API lua_Number luaL_checknumber (lua_State *L, int arg) {
- int isnum;
- lua_Number d = lua_tonumberx(L, arg, &isnum);
- if (!isnum)
- tag_error(L, arg, LUA_TNUMBER);
- return d;
-}
-
-
-LUALIB_API lua_Number luaL_optnumber (lua_State *L, int arg, lua_Number def) {
- return luaL_opt(L, luaL_checknumber, arg, def);
-}
-
-
-static void interror (lua_State *L, int arg) {
- if (lua_isnumber(L, arg))
- luaL_argerror(L, arg, "number has no integer representation");
- else
- tag_error(L, arg, LUA_TNUMBER);
-}
-
-
-LUALIB_API lua_Integer luaL_checkinteger (lua_State *L, int arg) {
- int isnum;
- lua_Integer d = lua_tointegerx(L, arg, &isnum);
- if (!isnum) {
- interror(L, arg);
- }
- return d;
-}
-
-
-LUALIB_API lua_Integer luaL_optinteger (lua_State *L, int arg,
- lua_Integer def) {
- return luaL_opt(L, luaL_checkinteger, arg, def);
-}
-
-/* }====================================================== */
-
-
-/*
-** {======================================================
-** Generic Buffer manipulation
-** =======================================================
-*/
-
-/* userdata to box arbitrary data */
-typedef struct UBox {
- void *box;
- size_t bsize;
-} UBox;
-
-
-static void *resizebox (lua_State *L, int idx, size_t newsize) {
- void *ud;
- lua_Alloc allocf = lua_getallocf(L, &ud);
- UBox *box = (UBox *)lua_touserdata(L, idx);
- void *temp = allocf(ud, box->box, box->bsize, newsize);
- if (temp == NULL && newsize > 0) { /* allocation error? */
- resizebox(L, idx, 0); /* free buffer */
- luaL_error(L, "not enough memory for buffer allocation");
- }
- box->box = temp;
- box->bsize = newsize;
- return temp;
-}
-
-
-static int boxgc (lua_State *L) {
- resizebox(L, 1, 0);
- return 0;
-}
-
-
-static void *newbox (lua_State *L, size_t newsize) {
- UBox *box = (UBox *)lua_newuserdata(L, sizeof(UBox));
- box->box = NULL;
- box->bsize = 0;
- if (luaL_newmetatable(L, "LUABOX")) { /* creating metatable? */
- lua_pushcfunction(L, boxgc);
- lua_setfield(L, -2, "__gc"); /* metatable.__gc = boxgc */
- }
- lua_setmetatable(L, -2);
- return resizebox(L, -1, newsize);
-}
-
-
-/*
-** check whether buffer is using a userdata on the stack as a temporary
-** buffer
-*/
-#define buffonstack(B) ((B)->b != (B)->initb)
-
-
-/*
-** returns a pointer to a free area with at least 'sz' bytes
-*/
-LUALIB_API char *luaL_prepbuffsize (luaL_Buffer *B, size_t sz) {
- lua_State *L = B->L;
- if (B->size - B->n < sz) { /* not enough space? */
- char *newbuff;
- size_t newsize = B->size * 2; /* double buffer size */
- if (newsize - B->n < sz) /* not big enough? */
- newsize = B->n + sz;
- if (newsize < B->n || newsize - B->n < sz)
- luaL_error(L, "buffer too large");
- /* create larger buffer */
- if (buffonstack(B))
- newbuff = (char *)resizebox(L, -1, newsize);
- else { /* no buffer yet */
- newbuff = (char *)newbox(L, newsize);
- memcpy(newbuff, B->b, B->n * sizeof(char)); /* copy original content */
- }
- B->b = newbuff;
- B->size = newsize;
- }
- return &B->b[B->n];
-}
-
-
-LUALIB_API void luaL_addlstring (luaL_Buffer *B, const char *s, size_t l) {
- if (l > 0) { /* avoid 'memcpy' when 's' can be NULL */
- char *b = luaL_prepbuffsize(B, l);
- memcpy(b, s, l * sizeof(char));
- luaL_addsize(B, l);
- }
-}
-
-
-LUALIB_API void luaL_addstring (luaL_Buffer *B, const char *s) {
- luaL_addlstring(B, s, strlen(s));
-}
-
-
-LUALIB_API void luaL_pushresult (luaL_Buffer *B) {
- lua_State *L = B->L;
- lua_pushlstring(L, B->b, B->n);
- if (buffonstack(B)) {
- resizebox(L, -2, 0); /* delete old buffer */
- lua_remove(L, -2); /* remove its header from the stack */
- }
-}
-
-
-LUALIB_API void luaL_pushresultsize (luaL_Buffer *B, size_t sz) {
- luaL_addsize(B, sz);
- luaL_pushresult(B);
-}
-
-
-LUALIB_API void luaL_addvalue (luaL_Buffer *B) {
- lua_State *L = B->L;
- size_t l;
- const char *s = lua_tolstring(L, -1, &l);
- if (buffonstack(B))
- lua_insert(L, -2); /* put value below buffer */
- luaL_addlstring(B, s, l);
- lua_remove(L, (buffonstack(B)) ? -2 : -1); /* remove value */
-}
-
-
-LUALIB_API void luaL_buffinit (lua_State *L, luaL_Buffer *B) {
- B->L = L;
- B->b = B->initb;
- B->n = 0;
- B->size = LUAL_BUFFERSIZE;
-}
-
-
-LUALIB_API char *luaL_buffinitsize (lua_State *L, luaL_Buffer *B, size_t sz) {
- luaL_buffinit(L, B);
- return luaL_prepbuffsize(B, sz);
-}
-
-/* }====================================================== */
-
-
-/*
-** {======================================================
-** Reference system
-** =======================================================
-*/
-
-/* index of free-list header */
-#define freelist 0
-
-
-LUALIB_API int luaL_ref (lua_State *L, int t) {
- int ref;
- if (lua_isnil(L, -1)) {
- lua_pop(L, 1); /* remove from stack */
- return LUA_REFNIL; /* 'nil' has a unique fixed reference */
- }
- t = lua_absindex(L, t);
- lua_rawgeti(L, t, freelist); /* get first free element */
- ref = (int)lua_tointeger(L, -1); /* ref = t[freelist] */
- lua_pop(L, 1); /* remove it from stack */
- if (ref != 0) { /* any free element? */
- lua_rawgeti(L, t, ref); /* remove it from list */
- lua_rawseti(L, t, freelist); /* (t[freelist] = t[ref]) */
- }
- else /* no free elements */
- ref = (int)lua_rawlen(L, t) + 1; /* get a new reference */
- lua_rawseti(L, t, ref);
- return ref;
-}
-
-
-LUALIB_API void luaL_unref (lua_State *L, int t, int ref) {
- if (ref >= 0) {
- t = lua_absindex(L, t);
- lua_rawgeti(L, t, freelist);
- lua_rawseti(L, t, ref); /* t[ref] = t[freelist] */
- lua_pushinteger(L, ref);
- lua_rawseti(L, t, freelist); /* t[freelist] = ref */
- }
-}
-
-/* }====================================================== */
-
-
-/*
-** {======================================================
-** Load functions
-** =======================================================
-*/
-
-typedef struct LoadF {
- int n; /* number of pre-read characters */
- FILE *f; /* file being read */
- char buff[BUFSIZ]; /* area for reading file */
-} LoadF;
-
-
-static const char *getF (lua_State *L, void *ud, size_t *size) {
- LoadF *lf = (LoadF *)ud;
- (void)L; /* not used */
- if (lf->n > 0) { /* are there pre-read characters to be read? */
- *size = lf->n; /* return them (chars already in buffer) */
- lf->n = 0; /* no more pre-read characters */
- }
- else { /* read a block from file */
- /* 'fread' can return > 0 *and* set the EOF flag. If next call to
- 'getF' called 'fread', it might still wait for user input.
- The next check avoids this problem. */
- if (feof(lf->f)) return NULL;
- *size = fread(lf->buff, 1, sizeof(lf->buff), lf->f); /* read block */
- }
- return lf->buff;
-}
-
-
-static int errfile (lua_State *L, const char *what, int fnameindex) {
- const char *serr = strerror(errno);
- const char *filename = lua_tostring(L, fnameindex) + 1;
- lua_pushfstring(L, "cannot %s %s: %s", what, filename, serr);
- lua_remove(L, fnameindex);
- return LUA_ERRFILE;
-}
-
-
-static int skipBOM (LoadF *lf) {
- const char *p = "\xEF\xBB\xBF"; /* UTF-8 BOM mark */
- int c;
- lf->n = 0;
- do {
- c = getc(lf->f);
- if (c == EOF || c != *(const unsigned char *)p++) return c;
- lf->buff[lf->n++] = c; /* to be read by the parser */
- } while (*p != '\0');
- lf->n = 0; /* prefix matched; discard it */
- return getc(lf->f); /* return next character */
-}
-
-
-/*
-** reads the first character of file 'f' and skips an optional BOM mark
-** in its beginning plus its first line if it starts with '#'. Returns
-** true if it skipped the first line. In any case, '*cp' has the
-** first "valid" character of the file (after the optional BOM and
-** a first-line comment).
-*/
-static int skipcomment (LoadF *lf, int *cp) {
- int c = *cp = skipBOM(lf);
- if (c == '#') { /* first line is a comment (Unix exec. file)? */
- do { /* skip first line */
- c = getc(lf->f);
- } while (c != EOF && c != '\n');
- *cp = getc(lf->f); /* skip end-of-line, if present */
- return 1; /* there was a comment */
- }
- else return 0; /* no comment */
-}
-
-
-LUALIB_API int luaL_loadfilex (lua_State *L, const char *filename,
- const char *mode) {
- LoadF lf;
- int status, readstatus;
- int c;
- int fnameindex = lua_gettop(L) + 1; /* index of filename on the stack */
- if (filename == NULL) {
- lua_pushliteral(L, "=stdin");
- lf.f = stdin;
- }
- else {
- lua_pushfstring(L, "@%s", filename);
- lf.f = fopen(filename, "r");
- if (lf.f == NULL) return errfile(L, "open", fnameindex);
- }
- if (skipcomment(&lf, &c)) /* read initial portion */
- lf.buff[lf.n++] = '\n'; /* add line to correct line numbers */
- if (c == LUA_SIGNATURE[0] && filename) { /* binary file? */
- lf.f = freopen(filename, "rb", lf.f); /* reopen in binary mode */
- if (lf.f == NULL) return errfile(L, "reopen", fnameindex);
- skipcomment(&lf, &c); /* re-read initial portion */
- }
- if (c != EOF)
- lf.buff[lf.n++] = c; /* 'c' is the first character of the stream */
- status = lua_load(L, getF, &lf, lua_tostring(L, -1), mode);
- readstatus = ferror(lf.f);
- if (filename) fclose(lf.f); /* close file (even in case of errors) */
- if (readstatus) {
- lua_settop(L, fnameindex); /* ignore results from 'lua_load' */
- return errfile(L, "read", fnameindex);
- }
- lua_remove(L, fnameindex);
- return status;
-}
-
-
-typedef struct LoadS {
- const char *s;
- size_t size;
-} LoadS;
-
-
-static const char *getS (lua_State *L, void *ud, size_t *size) {
- LoadS *ls = (LoadS *)ud;
- (void)L; /* not used */
- if (ls->size == 0) return NULL;
- *size = ls->size;
- ls->size = 0;
- return ls->s;
-}
-
-
-LUALIB_API int luaL_loadbufferx (lua_State *L, const char *buff, size_t size,
- const char *name, const char *mode) {
- LoadS ls;
- ls.s = buff;
- ls.size = size;
- return lua_load(L, getS, &ls, name, mode);
-}
-
-
-LUALIB_API int luaL_loadstring (lua_State *L, const char *s) {
- return luaL_loadbuffer(L, s, strlen(s), s);
-}
-
-/* }====================================================== */
-
-
-
-LUALIB_API int luaL_getmetafield (lua_State *L, int obj, const char *event) {
- if (!lua_getmetatable(L, obj)) /* no metatable? */
- return LUA_TNIL;
- else {
- int tt;
- lua_pushstring(L, event);
- tt = lua_rawget(L, -2);
- if (tt == LUA_TNIL) /* is metafield nil? */
- lua_pop(L, 2); /* remove metatable and metafield */
- else
- lua_remove(L, -2); /* remove only metatable */
- return tt; /* return metafield type */
- }
-}
-
-
-LUALIB_API int luaL_callmeta (lua_State *L, int obj, const char *event) {
- obj = lua_absindex(L, obj);
- if (luaL_getmetafield(L, obj, event) == LUA_TNIL) /* no metafield? */
- return 0;
- lua_pushvalue(L, obj);
- lua_call(L, 1, 1);
- return 1;
-}
-
-
-LUALIB_API lua_Integer luaL_len (lua_State *L, int idx) {
- lua_Integer l;
- int isnum;
- lua_len(L, idx);
- l = lua_tointegerx(L, -1, &isnum);
- if (!isnum)
- luaL_error(L, "object length is not an integer");
- lua_pop(L, 1); /* remove object */
- return l;
-}
-
-
-LUALIB_API const char *luaL_tolstring (lua_State *L, int idx, size_t *len) {
- if (luaL_callmeta(L, idx, "__tostring")) { /* metafield? */
- if (!lua_isstring(L, -1))
- luaL_error(L, "'__tostring' must return a string");
- }
- else {
- switch (lua_type(L, idx)) {
- case LUA_TNUMBER: {
- if (lua_isinteger(L, idx))
- lua_pushfstring(L, "%I", (LUAI_UACINT)lua_tointeger(L, idx));
- else
- lua_pushfstring(L, "%f", (LUAI_UACNUMBER)lua_tonumber(L, idx));
- break;
- }
- case LUA_TSTRING:
- lua_pushvalue(L, idx);
- break;
- case LUA_TBOOLEAN:
- lua_pushstring(L, (lua_toboolean(L, idx) ? "true" : "false"));
- break;
- case LUA_TNIL:
- lua_pushliteral(L, "nil");
- break;
- default: {
- int tt = luaL_getmetafield(L, idx, "__name"); /* try name */
- const char *kind = (tt == LUA_TSTRING) ? lua_tostring(L, -1) :
- luaL_typename(L, idx);
- lua_pushfstring(L, "%s: %p", kind, lua_topointer(L, idx));
- if (tt != LUA_TNIL)
- lua_remove(L, -2); /* remove '__name' */
- break;
- }
- }
- }
- return lua_tolstring(L, -1, len);
-}
-
-
-/*
-** {======================================================
-** Compatibility with 5.1 module functions
-** =======================================================
-*/
-#if defined(LUA_COMPAT_MODULE)
-
-static const char *luaL_findtable (lua_State *L, int idx,
- const char *fname, int szhint) {
- const char *e;
- if (idx) lua_pushvalue(L, idx);
- do {
- e = strchr(fname, '.');
- if (e == NULL) e = fname + strlen(fname);
- lua_pushlstring(L, fname, e - fname);
- if (lua_rawget(L, -2) == LUA_TNIL) { /* no such field? */
- lua_pop(L, 1); /* remove this nil */
- lua_createtable(L, 0, (*e == '.' ? 1 : szhint)); /* new table for field */
- lua_pushlstring(L, fname, e - fname);
- lua_pushvalue(L, -2);
- lua_settable(L, -4); /* set new table into field */
- }
- else if (!lua_istable(L, -1)) { /* field has a non-table value? */
- lua_pop(L, 2); /* remove table and value */
- return fname; /* return problematic part of the name */
- }
- lua_remove(L, -2); /* remove previous table */
- fname = e + 1;
- } while (*e == '.');
- return NULL;
-}
-
-
-/*
-** Count number of elements in a luaL_Reg list.
-*/
-static int libsize (const luaL_Reg *l) {
- int size = 0;
- for (; l && l->name; l++) size++;
- return size;
-}
-
-
-/*
-** Find or create a module table with a given name. The function
-** first looks at the LOADED table and, if that fails, try a
-** global variable with that name. In any case, leaves on the stack
-** the module table.
-*/
-LUALIB_API void luaL_pushmodule (lua_State *L, const char *modname,
- int sizehint) {
- luaL_findtable(L, LUA_REGISTRYINDEX, LUA_LOADED_TABLE, 1);
- if (lua_getfield(L, -1, modname) != LUA_TTABLE) { /* no LOADED[modname]? */
- lua_pop(L, 1); /* remove previous result */
- /* try global variable (and create one if it does not exist) */
- lua_pushglobaltable(L);
- if (luaL_findtable(L, 0, modname, sizehint) != NULL)
- luaL_error(L, "name conflict for module '%s'", modname);
- lua_pushvalue(L, -1);
- lua_setfield(L, -3, modname); /* LOADED[modname] = new table */
- }
- lua_remove(L, -2); /* remove LOADED table */
-}
-
-
-LUALIB_API void luaL_openlib (lua_State *L, const char *libname,
- const luaL_Reg *l, int nup) {
- luaL_checkversion(L);
- if (libname) {
- luaL_pushmodule(L, libname, libsize(l)); /* get/create library table */
- lua_insert(L, -(nup + 1)); /* move library table to below upvalues */
- }
- if (l)
- luaL_setfuncs(L, l, nup);
- else
- lua_pop(L, nup); /* remove upvalues */
-}
-
-#endif
-/* }====================================================== */
-
-/*
-** set functions from list 'l' into table at top - 'nup'; each
-** function gets the 'nup' elements at the top as upvalues.
-** Returns with only the table at the stack.
-*/
-LUALIB_API void luaL_setfuncs (lua_State *L, const luaL_Reg *l, int nup) {
- luaL_checkstack(L, nup, "too many upvalues");
- for (; l->name != NULL; l++) { /* fill the table with given functions */
- int i;
- for (i = 0; i < nup; i++) /* copy upvalues to the top */
- lua_pushvalue(L, -nup);
- lua_pushcclosure(L, l->func, nup); /* closure with those upvalues */
- lua_setfield(L, -(nup + 2), l->name);
- }
- lua_pop(L, nup); /* remove upvalues */
-}
-
-
-/*
-** ensure that stack[idx][fname] has a table and push that table
-** into the stack
-*/
-LUALIB_API int luaL_getsubtable (lua_State *L, int idx, const char *fname) {
- if (lua_getfield(L, idx, fname) == LUA_TTABLE)
- return 1; /* table already there */
- else {
- lua_pop(L, 1); /* remove previous result */
- idx = lua_absindex(L, idx);
- lua_newtable(L);
- lua_pushvalue(L, -1); /* copy to be left at top */
- lua_setfield(L, idx, fname); /* assign new table to field */
- return 0; /* false, because did not find table there */
- }
-}
-
-
-/*
-** Stripped-down 'require': After checking "loaded" table, calls 'openf'
-** to open a module, registers the result in 'package.loaded' table and,
-** if 'glb' is true, also registers the result in the global table.
-** Leaves resulting module on the top.
-*/
-LUALIB_API void luaL_requiref (lua_State *L, const char *modname,
- lua_CFunction openf, int glb) {
- luaL_getsubtable(L, LUA_REGISTRYINDEX, LUA_LOADED_TABLE);
- lua_getfield(L, -1, modname); /* LOADED[modname] */
- if (!lua_toboolean(L, -1)) { /* package not already loaded? */
- lua_pop(L, 1); /* remove field */
- lua_pushcfunction(L, openf);
- lua_pushstring(L, modname); /* argument to open function */
- lua_call(L, 1, 1); /* call 'openf' to open module */
- lua_pushvalue(L, -1); /* make copy of module (call result) */
- lua_setfield(L, -3, modname); /* LOADED[modname] = module */
- }
- lua_remove(L, -2); /* remove LOADED table */
- if (glb) {
- lua_pushvalue(L, -1); /* copy of module */
- lua_setglobal(L, modname); /* _G[modname] = module */
- }
-}
-
-
-LUALIB_API const char *luaL_gsub (lua_State *L, const char *s, const char *p,
- const char *r) {
- const char *wild;
- size_t l = strlen(p);
- luaL_Buffer b;
- luaL_buffinit(L, &b);
- while ((wild = strstr(s, p)) != NULL) {
- luaL_addlstring(&b, s, wild - s); /* push prefix */
- luaL_addstring(&b, r); /* push replacement in place of pattern */
- s = wild + l; /* continue after 'p' */
- }
- luaL_addstring(&b, s); /* push last suffix */
- luaL_pushresult(&b);
- return lua_tostring(L, -1);
-}
-
-
-static void *l_alloc (void *ud, void *ptr, size_t osize, size_t nsize) {
- (void)ud; (void)osize; /* not used */
- if (nsize == 0) {
- free(ptr);
- return NULL;
- }
- else { /* cannot fail when shrinking a block */
- void *newptr = realloc(ptr, nsize);
- if (newptr == NULL && ptr != NULL && nsize <= osize)
- return ptr; /* keep the original block */
- else /* no fail or not shrinking */
- return newptr; /* use the new block */
- }
-}
-
-
-static int panic (lua_State *L) {
- lua_writestringerror("PANIC: unprotected error in call to Lua API (%s)\n",
- lua_tostring(L, -1));
- return 0; /* return to Lua to abort */
-}
-
-
-LUALIB_API lua_State *luaL_newstate (void) {
- lua_State *L = lua_newstate(l_alloc, NULL);
- if (L) lua_atpanic(L, &panic);
- return L;
-}
-
-
-LUALIB_API void luaL_checkversion_ (lua_State *L, lua_Number ver, size_t sz) {
- const lua_Number *v = lua_version(L);
- if (sz != LUAL_NUMSIZES) /* check numeric types */
- luaL_error(L, "core and library have incompatible numeric types");
- if (v != lua_version(NULL))
- luaL_error(L, "multiple Lua VMs detected");
- else if (*v != ver)
- luaL_error(L, "version mismatch: app. needs %f, Lua core provides %f",
- (LUAI_UACNUMBER)ver, (LUAI_UACNUMBER)*v);
-}
-
diff --git a/Build/source/libs/lua53/lua53-src/src/lauxlib.h b/Build/source/libs/lua53/lua53-src/src/lauxlib.h
deleted file mode 100644
index 9857d3a835a..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/lauxlib.h
+++ /dev/null
@@ -1,264 +0,0 @@
-/*
-** $Id: lauxlib.h,v 1.131.1.1 2017/04/19 17:20:42 roberto Exp $
-** Auxiliary functions for building Lua libraries
-** See Copyright Notice in lua.h
-*/
-
-
-#ifndef lauxlib_h
-#define lauxlib_h
-
-
-#include <stddef.h>
-#include <stdio.h>
-
-#include "lua.h"
-
-
-
-/* extra error code for 'luaL_loadfilex' */
-#define LUA_ERRFILE (LUA_ERRERR+1)
-
-
-/* key, in the registry, for table of loaded modules */
-#define LUA_LOADED_TABLE "_LOADED"
-
-
-/* key, in the registry, for table of preloaded loaders */
-#define LUA_PRELOAD_TABLE "_PRELOAD"
-
-
-typedef struct luaL_Reg {
- const char *name;
- lua_CFunction func;
-} luaL_Reg;
-
-
-#define LUAL_NUMSIZES (sizeof(lua_Integer)*16 + sizeof(lua_Number))
-
-LUALIB_API void (luaL_checkversion_) (lua_State *L, lua_Number ver, size_t sz);
-#define luaL_checkversion(L) \
- luaL_checkversion_(L, LUA_VERSION_NUM, LUAL_NUMSIZES)
-
-LUALIB_API int (luaL_getmetafield) (lua_State *L, int obj, const char *e);
-LUALIB_API int (luaL_callmeta) (lua_State *L, int obj, const char *e);
-LUALIB_API const char *(luaL_tolstring) (lua_State *L, int idx, size_t *len);
-LUALIB_API int (luaL_argerror) (lua_State *L, int arg, const char *extramsg);
-LUALIB_API const char *(luaL_checklstring) (lua_State *L, int arg,
- size_t *l);
-LUALIB_API const char *(luaL_optlstring) (lua_State *L, int arg,
- const char *def, size_t *l);
-LUALIB_API lua_Number (luaL_checknumber) (lua_State *L, int arg);
-LUALIB_API lua_Number (luaL_optnumber) (lua_State *L, int arg, lua_Number def);
-
-LUALIB_API lua_Integer (luaL_checkinteger) (lua_State *L, int arg);
-LUALIB_API lua_Integer (luaL_optinteger) (lua_State *L, int arg,
- lua_Integer def);
-
-LUALIB_API void (luaL_checkstack) (lua_State *L, int sz, const char *msg);
-LUALIB_API void (luaL_checktype) (lua_State *L, int arg, int t);
-LUALIB_API void (luaL_checkany) (lua_State *L, int arg);
-
-LUALIB_API int (luaL_newmetatable) (lua_State *L, const char *tname);
-LUALIB_API void (luaL_setmetatable) (lua_State *L, const char *tname);
-LUALIB_API void *(luaL_testudata) (lua_State *L, int ud, const char *tname);
-LUALIB_API void *(luaL_checkudata) (lua_State *L, int ud, const char *tname);
-
-LUALIB_API void (luaL_where) (lua_State *L, int lvl);
-LUALIB_API int (luaL_error) (lua_State *L, const char *fmt, ...);
-
-LUALIB_API int (luaL_checkoption) (lua_State *L, int arg, const char *def,
- const char *const lst[]);
-
-LUALIB_API int (luaL_fileresult) (lua_State *L, int stat, const char *fname);
-LUALIB_API int (luaL_execresult) (lua_State *L, int stat);
-
-/* predefined references */
-#define LUA_NOREF (-2)
-#define LUA_REFNIL (-1)
-
-LUALIB_API int (luaL_ref) (lua_State *L, int t);
-LUALIB_API void (luaL_unref) (lua_State *L, int t, int ref);
-
-LUALIB_API int (luaL_loadfilex) (lua_State *L, const char *filename,
- const char *mode);
-
-#define luaL_loadfile(L,f) luaL_loadfilex(L,f,NULL)
-
-LUALIB_API int (luaL_loadbufferx) (lua_State *L, const char *buff, size_t sz,
- const char *name, const char *mode);
-LUALIB_API int (luaL_loadstring) (lua_State *L, const char *s);
-
-LUALIB_API lua_State *(luaL_newstate) (void);
-
-LUALIB_API lua_Integer (luaL_len) (lua_State *L, int idx);
-
-LUALIB_API const char *(luaL_gsub) (lua_State *L, const char *s, const char *p,
- const char *r);
-
-LUALIB_API void (luaL_setfuncs) (lua_State *L, const luaL_Reg *l, int nup);
-
-LUALIB_API int (luaL_getsubtable) (lua_State *L, int idx, const char *fname);
-
-LUALIB_API void (luaL_traceback) (lua_State *L, lua_State *L1,
- const char *msg, int level);
-
-LUALIB_API void (luaL_requiref) (lua_State *L, const char *modname,
- lua_CFunction openf, int glb);
-
-/*
-** ===============================================================
-** some useful macros
-** ===============================================================
-*/
-
-
-#define luaL_newlibtable(L,l) \
- lua_createtable(L, 0, sizeof(l)/sizeof((l)[0]) - 1)
-
-#define luaL_newlib(L,l) \
- (luaL_checkversion(L), luaL_newlibtable(L,l), luaL_setfuncs(L,l,0))
-
-#define luaL_argcheck(L, cond,arg,extramsg) \
- ((void)((cond) || luaL_argerror(L, (arg), (extramsg))))
-#define luaL_checkstring(L,n) (luaL_checklstring(L, (n), NULL))
-#define luaL_optstring(L,n,d) (luaL_optlstring(L, (n), (d), NULL))
-
-#define luaL_typename(L,i) lua_typename(L, lua_type(L,(i)))
-
-#define luaL_dofile(L, fn) \
- (luaL_loadfile(L, fn) || lua_pcall(L, 0, LUA_MULTRET, 0))
-
-#define luaL_dostring(L, s) \
- (luaL_loadstring(L, s) || lua_pcall(L, 0, LUA_MULTRET, 0))
-
-#define luaL_getmetatable(L,n) (lua_getfield(L, LUA_REGISTRYINDEX, (n)))
-
-#define luaL_opt(L,f,n,d) (lua_isnoneornil(L,(n)) ? (d) : f(L,(n)))
-
-#define luaL_loadbuffer(L,s,sz,n) luaL_loadbufferx(L,s,sz,n,NULL)
-
-
-/*
-** {======================================================
-** Generic Buffer manipulation
-** =======================================================
-*/
-
-typedef struct luaL_Buffer {
- char *b; /* buffer address */
- size_t size; /* buffer size */
- size_t n; /* number of characters in buffer */
- lua_State *L;
- char initb[LUAL_BUFFERSIZE]; /* initial buffer */
-} luaL_Buffer;
-
-
-#define luaL_addchar(B,c) \
- ((void)((B)->n < (B)->size || luaL_prepbuffsize((B), 1)), \
- ((B)->b[(B)->n++] = (c)))
-
-#define luaL_addsize(B,s) ((B)->n += (s))
-
-LUALIB_API void (luaL_buffinit) (lua_State *L, luaL_Buffer *B);
-LUALIB_API char *(luaL_prepbuffsize) (luaL_Buffer *B, size_t sz);
-LUALIB_API void (luaL_addlstring) (luaL_Buffer *B, const char *s, size_t l);
-LUALIB_API void (luaL_addstring) (luaL_Buffer *B, const char *s);
-LUALIB_API void (luaL_addvalue) (luaL_Buffer *B);
-LUALIB_API void (luaL_pushresult) (luaL_Buffer *B);
-LUALIB_API void (luaL_pushresultsize) (luaL_Buffer *B, size_t sz);
-LUALIB_API char *(luaL_buffinitsize) (lua_State *L, luaL_Buffer *B, size_t sz);
-
-#define luaL_prepbuffer(B) luaL_prepbuffsize(B, LUAL_BUFFERSIZE)
-
-/* }====================================================== */
-
-
-
-/*
-** {======================================================
-** File handles for IO library
-** =======================================================
-*/
-
-/*
-** A file handle is a userdata with metatable 'LUA_FILEHANDLE' and
-** initial structure 'luaL_Stream' (it may contain other fields
-** after that initial structure).
-*/
-
-#define LUA_FILEHANDLE "FILE*"
-
-
-typedef struct luaL_Stream {
- FILE *f; /* stream (NULL for incompletely created streams) */
- lua_CFunction closef; /* to close stream (NULL for closed streams) */
-} luaL_Stream;
-
-/* }====================================================== */
-
-
-
-/* compatibility with old module system */
-#if defined(LUA_COMPAT_MODULE)
-
-LUALIB_API void (luaL_pushmodule) (lua_State *L, const char *modname,
- int sizehint);
-LUALIB_API void (luaL_openlib) (lua_State *L, const char *libname,
- const luaL_Reg *l, int nup);
-
-#define luaL_register(L,n,l) (luaL_openlib(L,(n),(l),0))
-
-#endif
-
-
-/*
-** {==================================================================
-** "Abstraction Layer" for basic report of messages and errors
-** ===================================================================
-*/
-
-/* print a string */
-#if !defined(lua_writestring)
-#define lua_writestring(s,l) fwrite((s), sizeof(char), (l), stdout)
-#endif
-
-/* print a newline and flush the output */
-#if !defined(lua_writeline)
-#define lua_writeline() (lua_writestring("\n", 1), fflush(stdout))
-#endif
-
-/* print an error message */
-#if !defined(lua_writestringerror)
-#define lua_writestringerror(s,p) \
- (fprintf(stderr, (s), (p)), fflush(stderr))
-#endif
-
-/* }================================================================== */
-
-
-/*
-** {============================================================
-** Compatibility with deprecated conversions
-** =============================================================
-*/
-#if defined(LUA_COMPAT_APIINTCASTS)
-
-#define luaL_checkunsigned(L,a) ((lua_Unsigned)luaL_checkinteger(L,a))
-#define luaL_optunsigned(L,a,d) \
- ((lua_Unsigned)luaL_optinteger(L,a,(lua_Integer)(d)))
-
-#define luaL_checkint(L,n) ((int)luaL_checkinteger(L, (n)))
-#define luaL_optint(L,n,d) ((int)luaL_optinteger(L, (n), (d)))
-
-#define luaL_checklong(L,n) ((long)luaL_checkinteger(L, (n)))
-#define luaL_optlong(L,n,d) ((long)luaL_optinteger(L, (n), (d)))
-
-#endif
-/* }============================================================ */
-
-
-
-#endif
-
-
diff --git a/Build/source/libs/lua53/lua53-src/src/lbaselib.c b/Build/source/libs/lua53/lua53-src/src/lbaselib.c
deleted file mode 100644
index 6460e4f8d42..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/lbaselib.c
+++ /dev/null
@@ -1,498 +0,0 @@
-/*
-** $Id: lbaselib.c,v 1.314.1.1 2017/04/19 17:39:34 roberto Exp $
-** Basic library
-** See Copyright Notice in lua.h
-*/
-
-#define lbaselib_c
-#define LUA_LIB
-
-#include "lprefix.h"
-
-
-#include <ctype.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "lua.h"
-
-#include "lauxlib.h"
-#include "lualib.h"
-
-
-static int luaB_print (lua_State *L) {
- int n = lua_gettop(L); /* number of arguments */
- int i;
- lua_getglobal(L, "tostring");
- for (i=1; i<=n; i++) {
- const char *s;
- size_t l;
- lua_pushvalue(L, -1); /* function to be called */
- lua_pushvalue(L, i); /* value to print */
- lua_call(L, 1, 1);
- s = lua_tolstring(L, -1, &l); /* get result */
- if (s == NULL)
- return luaL_error(L, "'tostring' must return a string to 'print'");
- if (i>1) lua_writestring("\t", 1);
- lua_writestring(s, l);
- lua_pop(L, 1); /* pop result */
- }
- lua_writeline();
- return 0;
-}
-
-
-#define SPACECHARS " \f\n\r\t\v"
-
-static const char *b_str2int (const char *s, int base, lua_Integer *pn) {
- lua_Unsigned n = 0;
- int neg = 0;
- s += strspn(s, SPACECHARS); /* skip initial spaces */
- if (*s == '-') { s++; neg = 1; } /* handle signal */
- else if (*s == '+') s++;
- if (!isalnum((unsigned char)*s)) /* no digit? */
- return NULL;
- do {
- int digit = (isdigit((unsigned char)*s)) ? *s - '0'
- : (toupper((unsigned char)*s) - 'A') + 10;
- if (digit >= base) return NULL; /* invalid numeral */
- n = n * base + digit;
- s++;
- } while (isalnum((unsigned char)*s));
- s += strspn(s, SPACECHARS); /* skip trailing spaces */
- *pn = (lua_Integer)((neg) ? (0u - n) : n);
- return s;
-}
-
-
-static int luaB_tonumber (lua_State *L) {
- if (lua_isnoneornil(L, 2)) { /* standard conversion? */
- luaL_checkany(L, 1);
- if (lua_type(L, 1) == LUA_TNUMBER) { /* already a number? */
- lua_settop(L, 1); /* yes; return it */
- return 1;
- }
- else {
- size_t l;
- const char *s = lua_tolstring(L, 1, &l);
- if (s != NULL && lua_stringtonumber(L, s) == l + 1)
- return 1; /* successful conversion to number */
- /* else not a number */
- }
- }
- else {
- size_t l;
- const char *s;
- lua_Integer n = 0; /* to avoid warnings */
- lua_Integer base = luaL_checkinteger(L, 2);
- luaL_checktype(L, 1, LUA_TSTRING); /* no numbers as strings */
- s = lua_tolstring(L, 1, &l);
- luaL_argcheck(L, 2 <= base && base <= 36, 2, "base out of range");
- if (b_str2int(s, (int)base, &n) == s + l) {
- lua_pushinteger(L, n);
- return 1;
- } /* else not a number */
- } /* else not a number */
- lua_pushnil(L); /* not a number */
- return 1;
-}
-
-
-static int luaB_error (lua_State *L) {
- int level = (int)luaL_optinteger(L, 2, 1);
- lua_settop(L, 1);
- if (lua_type(L, 1) == LUA_TSTRING && level > 0) {
- luaL_where(L, level); /* add extra information */
- lua_pushvalue(L, 1);
- lua_concat(L, 2);
- }
- return lua_error(L);
-}
-
-
-static int luaB_getmetatable (lua_State *L) {
- luaL_checkany(L, 1);
- if (!lua_getmetatable(L, 1)) {
- lua_pushnil(L);
- return 1; /* no metatable */
- }
- luaL_getmetafield(L, 1, "__metatable");
- return 1; /* returns either __metatable field (if present) or metatable */
-}
-
-
-static int luaB_setmetatable (lua_State *L) {
- int t = lua_type(L, 2);
- luaL_checktype(L, 1, LUA_TTABLE);
- luaL_argcheck(L, t == LUA_TNIL || t == LUA_TTABLE, 2,
- "nil or table expected");
- if (luaL_getmetafield(L, 1, "__metatable") != LUA_TNIL)
- return luaL_error(L, "cannot change a protected metatable");
- lua_settop(L, 2);
- lua_setmetatable(L, 1);
- return 1;
-}
-
-
-static int luaB_rawequal (lua_State *L) {
- luaL_checkany(L, 1);
- luaL_checkany(L, 2);
- lua_pushboolean(L, lua_rawequal(L, 1, 2));
- return 1;
-}
-
-
-static int luaB_rawlen (lua_State *L) {
- int t = lua_type(L, 1);
- luaL_argcheck(L, t == LUA_TTABLE || t == LUA_TSTRING, 1,
- "table or string expected");
- lua_pushinteger(L, lua_rawlen(L, 1));
- return 1;
-}
-
-
-static int luaB_rawget (lua_State *L) {
- luaL_checktype(L, 1, LUA_TTABLE);
- luaL_checkany(L, 2);
- lua_settop(L, 2);
- lua_rawget(L, 1);
- return 1;
-}
-
-static int luaB_rawset (lua_State *L) {
- luaL_checktype(L, 1, LUA_TTABLE);
- luaL_checkany(L, 2);
- luaL_checkany(L, 3);
- lua_settop(L, 3);
- lua_rawset(L, 1);
- return 1;
-}
-
-
-static int luaB_collectgarbage (lua_State *L) {
- static const char *const opts[] = {"stop", "restart", "collect",
- "count", "step", "setpause", "setstepmul",
- "isrunning", NULL};
- static const int optsnum[] = {LUA_GCSTOP, LUA_GCRESTART, LUA_GCCOLLECT,
- LUA_GCCOUNT, LUA_GCSTEP, LUA_GCSETPAUSE, LUA_GCSETSTEPMUL,
- LUA_GCISRUNNING};
- int o = optsnum[luaL_checkoption(L, 1, "collect", opts)];
- int ex = (int)luaL_optinteger(L, 2, 0);
- int res = lua_gc(L, o, ex);
- switch (o) {
- case LUA_GCCOUNT: {
- int b = lua_gc(L, LUA_GCCOUNTB, 0);
- lua_pushnumber(L, (lua_Number)res + ((lua_Number)b/1024));
- return 1;
- }
- case LUA_GCSTEP: case LUA_GCISRUNNING: {
- lua_pushboolean(L, res);
- return 1;
- }
- default: {
- lua_pushinteger(L, res);
- return 1;
- }
- }
-}
-
-
-static int luaB_type (lua_State *L) {
- int t = lua_type(L, 1);
- luaL_argcheck(L, t != LUA_TNONE, 1, "value expected");
- lua_pushstring(L, lua_typename(L, t));
- return 1;
-}
-
-
-static int pairsmeta (lua_State *L, const char *method, int iszero,
- lua_CFunction iter) {
- luaL_checkany(L, 1);
- if (luaL_getmetafield(L, 1, method) == LUA_TNIL) { /* no metamethod? */
- lua_pushcfunction(L, iter); /* will return generator, */
- lua_pushvalue(L, 1); /* state, */
- if (iszero) lua_pushinteger(L, 0); /* and initial value */
- else lua_pushnil(L);
- }
- else {
- lua_pushvalue(L, 1); /* argument 'self' to metamethod */
- lua_call(L, 1, 3); /* get 3 values from metamethod */
- }
- return 3;
-}
-
-
-static int luaB_next (lua_State *L) {
- luaL_checktype(L, 1, LUA_TTABLE);
- lua_settop(L, 2); /* create a 2nd argument if there isn't one */
- if (lua_next(L, 1))
- return 2;
- else {
- lua_pushnil(L);
- return 1;
- }
-}
-
-
-static int luaB_pairs (lua_State *L) {
- return pairsmeta(L, "__pairs", 0, luaB_next);
-}
-
-
-/*
-** Traversal function for 'ipairs'
-*/
-static int ipairsaux (lua_State *L) {
- lua_Integer i = luaL_checkinteger(L, 2) + 1;
- lua_pushinteger(L, i);
- return (lua_geti(L, 1, i) == LUA_TNIL) ? 1 : 2;
-}
-
-
-/*
-** 'ipairs' function. Returns 'ipairsaux', given "table", 0.
-** (The given "table" may not be a table.)
-*/
-static int luaB_ipairs (lua_State *L) {
-#if defined(LUA_COMPAT_IPAIRS)
- return pairsmeta(L, "__ipairs", 1, ipairsaux);
-#else
- luaL_checkany(L, 1);
- lua_pushcfunction(L, ipairsaux); /* iteration function */
- lua_pushvalue(L, 1); /* state */
- lua_pushinteger(L, 0); /* initial value */
- return 3;
-#endif
-}
-
-
-static int load_aux (lua_State *L, int status, int envidx) {
- if (status == LUA_OK) {
- if (envidx != 0) { /* 'env' parameter? */
- lua_pushvalue(L, envidx); /* environment for loaded function */
- if (!lua_setupvalue(L, -2, 1)) /* set it as 1st upvalue */
- lua_pop(L, 1); /* remove 'env' if not used by previous call */
- }
- return 1;
- }
- else { /* error (message is on top of the stack) */
- lua_pushnil(L);
- lua_insert(L, -2); /* put before error message */
- return 2; /* return nil plus error message */
- }
-}
-
-
-static int luaB_loadfile (lua_State *L) {
- const char *fname = luaL_optstring(L, 1, NULL);
- const char *mode = luaL_optstring(L, 2, NULL);
- int env = (!lua_isnone(L, 3) ? 3 : 0); /* 'env' index or 0 if no 'env' */
- int status = luaL_loadfilex(L, fname, mode);
- return load_aux(L, status, env);
-}
-
-
-/*
-** {======================================================
-** Generic Read function
-** =======================================================
-*/
-
-
-/*
-** reserved slot, above all arguments, to hold a copy of the returned
-** string to avoid it being collected while parsed. 'load' has four
-** optional arguments (chunk, source name, mode, and environment).
-*/
-#define RESERVEDSLOT 5
-
-
-/*
-** Reader for generic 'load' function: 'lua_load' uses the
-** stack for internal stuff, so the reader cannot change the
-** stack top. Instead, it keeps its resulting string in a
-** reserved slot inside the stack.
-*/
-static const char *generic_reader (lua_State *L, void *ud, size_t *size) {
- (void)(ud); /* not used */
- luaL_checkstack(L, 2, "too many nested functions");
- lua_pushvalue(L, 1); /* get function */
- lua_call(L, 0, 1); /* call it */
- if (lua_isnil(L, -1)) {
- lua_pop(L, 1); /* pop result */
- *size = 0;
- return NULL;
- }
- else if (!lua_isstring(L, -1))
- luaL_error(L, "reader function must return a string");
- lua_replace(L, RESERVEDSLOT); /* save string in reserved slot */
- return lua_tolstring(L, RESERVEDSLOT, size);
-}
-
-
-static int luaB_load (lua_State *L) {
- int status;
- size_t l;
- const char *s = lua_tolstring(L, 1, &l);
- const char *mode = luaL_optstring(L, 3, "bt");
- int env = (!lua_isnone(L, 4) ? 4 : 0); /* 'env' index or 0 if no 'env' */
- if (s != NULL) { /* loading a string? */
- const char *chunkname = luaL_optstring(L, 2, s);
- status = luaL_loadbufferx(L, s, l, chunkname, mode);
- }
- else { /* loading from a reader function */
- const char *chunkname = luaL_optstring(L, 2, "=(load)");
- luaL_checktype(L, 1, LUA_TFUNCTION);
- lua_settop(L, RESERVEDSLOT); /* create reserved slot */
- status = lua_load(L, generic_reader, NULL, chunkname, mode);
- }
- return load_aux(L, status, env);
-}
-
-/* }====================================================== */
-
-
-static int dofilecont (lua_State *L, int d1, lua_KContext d2) {
- (void)d1; (void)d2; /* only to match 'lua_Kfunction' prototype */
- return lua_gettop(L) - 1;
-}
-
-
-static int luaB_dofile (lua_State *L) {
- const char *fname = luaL_optstring(L, 1, NULL);
- lua_settop(L, 1);
- if (luaL_loadfile(L, fname) != LUA_OK)
- return lua_error(L);
- lua_callk(L, 0, LUA_MULTRET, 0, dofilecont);
- return dofilecont(L, 0, 0);
-}
-
-
-static int luaB_assert (lua_State *L) {
- if (lua_toboolean(L, 1)) /* condition is true? */
- return lua_gettop(L); /* return all arguments */
- else { /* error */
- luaL_checkany(L, 1); /* there must be a condition */
- lua_remove(L, 1); /* remove it */
- lua_pushliteral(L, "assertion failed!"); /* default message */
- lua_settop(L, 1); /* leave only message (default if no other one) */
- return luaB_error(L); /* call 'error' */
- }
-}
-
-
-static int luaB_select (lua_State *L) {
- int n = lua_gettop(L);
- if (lua_type(L, 1) == LUA_TSTRING && *lua_tostring(L, 1) == '#') {
- lua_pushinteger(L, n-1);
- return 1;
- }
- else {
- lua_Integer i = luaL_checkinteger(L, 1);
- if (i < 0) i = n + i;
- else if (i > n) i = n;
- luaL_argcheck(L, 1 <= i, 1, "index out of range");
- return n - (int)i;
- }
-}
-
-
-/*
-** Continuation function for 'pcall' and 'xpcall'. Both functions
-** already pushed a 'true' before doing the call, so in case of success
-** 'finishpcall' only has to return everything in the stack minus
-** 'extra' values (where 'extra' is exactly the number of items to be
-** ignored).
-*/
-static int finishpcall (lua_State *L, int status, lua_KContext extra) {
- if (status != LUA_OK && status != LUA_YIELD) { /* error? */
- lua_pushboolean(L, 0); /* first result (false) */
- lua_pushvalue(L, -2); /* error message */
- return 2; /* return false, msg */
- }
- else
- return lua_gettop(L) - (int)extra; /* return all results */
-}
-
-
-static int luaB_pcall (lua_State *L) {
- int status;
- luaL_checkany(L, 1);
- lua_pushboolean(L, 1); /* first result if no errors */
- lua_insert(L, 1); /* put it in place */
- status = lua_pcallk(L, lua_gettop(L) - 2, LUA_MULTRET, 0, 0, finishpcall);
- return finishpcall(L, status, 0);
-}
-
-
-/*
-** Do a protected call with error handling. After 'lua_rotate', the
-** stack will have <f, err, true, f, [args...]>; so, the function passes
-** 2 to 'finishpcall' to skip the 2 first values when returning results.
-*/
-static int luaB_xpcall (lua_State *L) {
- int status;
- int n = lua_gettop(L);
- luaL_checktype(L, 2, LUA_TFUNCTION); /* check error function */
- lua_pushboolean(L, 1); /* first result */
- lua_pushvalue(L, 1); /* function */
- lua_rotate(L, 3, 2); /* move them below function's arguments */
- status = lua_pcallk(L, n - 2, LUA_MULTRET, 2, 2, finishpcall);
- return finishpcall(L, status, 2);
-}
-
-
-static int luaB_tostring (lua_State *L) {
- luaL_checkany(L, 1);
- luaL_tolstring(L, 1, NULL);
- return 1;
-}
-
-
-static const luaL_Reg base_funcs[] = {
- {"assert", luaB_assert},
- {"collectgarbage", luaB_collectgarbage},
- {"dofile", luaB_dofile},
- {"error", luaB_error},
- {"getmetatable", luaB_getmetatable},
- {"ipairs", luaB_ipairs},
- {"loadfile", luaB_loadfile},
- {"load", luaB_load},
-#if defined(LUA_COMPAT_LOADSTRING)
- {"loadstring", luaB_load},
-#endif
- {"next", luaB_next},
- {"pairs", luaB_pairs},
- {"pcall", luaB_pcall},
- {"print", luaB_print},
- {"rawequal", luaB_rawequal},
- {"rawlen", luaB_rawlen},
- {"rawget", luaB_rawget},
- {"rawset", luaB_rawset},
- {"select", luaB_select},
- {"setmetatable", luaB_setmetatable},
- {"tonumber", luaB_tonumber},
- {"tostring", luaB_tostring},
- {"type", luaB_type},
- {"xpcall", luaB_xpcall},
- /* placeholders */
- {"_G", NULL},
- {"_VERSION", NULL},
- {NULL, NULL}
-};
-
-
-LUAMOD_API int luaopen_base (lua_State *L) {
- /* open lib into global table */
- lua_pushglobaltable(L);
- luaL_setfuncs(L, base_funcs, 0);
- /* set global _G */
- lua_pushvalue(L, -1);
- lua_setfield(L, -2, "_G");
- /* set global _VERSION */
- lua_pushliteral(L, LUA_VERSION);
- lua_setfield(L, -2, "_VERSION");
- return 1;
-}
-
diff --git a/Build/source/libs/lua53/lua53-src/src/lbitlib.c b/Build/source/libs/lua53/lua53-src/src/lbitlib.c
deleted file mode 100644
index 4786c0d4830..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/lbitlib.c
+++ /dev/null
@@ -1,233 +0,0 @@
-/*
-** $Id: lbitlib.c,v 1.30.1.1 2017/04/19 17:20:42 roberto Exp $
-** Standard library for bitwise operations
-** See Copyright Notice in lua.h
-*/
-
-#define lbitlib_c
-#define LUA_LIB
-
-#include "lprefix.h"
-
-
-#include "lua.h"
-
-#include "lauxlib.h"
-#include "lualib.h"
-
-
-#if defined(LUA_COMPAT_BITLIB) /* { */
-
-
-#define pushunsigned(L,n) lua_pushinteger(L, (lua_Integer)(n))
-#define checkunsigned(L,i) ((lua_Unsigned)luaL_checkinteger(L,i))
-
-
-/* number of bits to consider in a number */
-#if !defined(LUA_NBITS)
-#define LUA_NBITS 32
-#endif
-
-
-/*
-** a lua_Unsigned with its first LUA_NBITS bits equal to 1. (Shift must
-** be made in two parts to avoid problems when LUA_NBITS is equal to the
-** number of bits in a lua_Unsigned.)
-*/
-#define ALLONES (~(((~(lua_Unsigned)0) << (LUA_NBITS - 1)) << 1))
-
-
-/* macro to trim extra bits */
-#define trim(x) ((x) & ALLONES)
-
-
-/* builds a number with 'n' ones (1 <= n <= LUA_NBITS) */
-#define mask(n) (~((ALLONES << 1) << ((n) - 1)))
-
-
-
-static lua_Unsigned andaux (lua_State *L) {
- int i, n = lua_gettop(L);
- lua_Unsigned r = ~(lua_Unsigned)0;
- for (i = 1; i <= n; i++)
- r &= checkunsigned(L, i);
- return trim(r);
-}
-
-
-static int b_and (lua_State *L) {
- lua_Unsigned r = andaux(L);
- pushunsigned(L, r);
- return 1;
-}
-
-
-static int b_test (lua_State *L) {
- lua_Unsigned r = andaux(L);
- lua_pushboolean(L, r != 0);
- return 1;
-}
-
-
-static int b_or (lua_State *L) {
- int i, n = lua_gettop(L);
- lua_Unsigned r = 0;
- for (i = 1; i <= n; i++)
- r |= checkunsigned(L, i);
- pushunsigned(L, trim(r));
- return 1;
-}
-
-
-static int b_xor (lua_State *L) {
- int i, n = lua_gettop(L);
- lua_Unsigned r = 0;
- for (i = 1; i <= n; i++)
- r ^= checkunsigned(L, i);
- pushunsigned(L, trim(r));
- return 1;
-}
-
-
-static int b_not (lua_State *L) {
- lua_Unsigned r = ~checkunsigned(L, 1);
- pushunsigned(L, trim(r));
- return 1;
-}
-
-
-static int b_shift (lua_State *L, lua_Unsigned r, lua_Integer i) {
- if (i < 0) { /* shift right? */
- i = -i;
- r = trim(r);
- if (i >= LUA_NBITS) r = 0;
- else r >>= i;
- }
- else { /* shift left */
- if (i >= LUA_NBITS) r = 0;
- else r <<= i;
- r = trim(r);
- }
- pushunsigned(L, r);
- return 1;
-}
-
-
-static int b_lshift (lua_State *L) {
- return b_shift(L, checkunsigned(L, 1), luaL_checkinteger(L, 2));
-}
-
-
-static int b_rshift (lua_State *L) {
- return b_shift(L, checkunsigned(L, 1), -luaL_checkinteger(L, 2));
-}
-
-
-static int b_arshift (lua_State *L) {
- lua_Unsigned r = checkunsigned(L, 1);
- lua_Integer i = luaL_checkinteger(L, 2);
- if (i < 0 || !(r & ((lua_Unsigned)1 << (LUA_NBITS - 1))))
- return b_shift(L, r, -i);
- else { /* arithmetic shift for 'negative' number */
- if (i >= LUA_NBITS) r = ALLONES;
- else
- r = trim((r >> i) | ~(trim(~(lua_Unsigned)0) >> i)); /* add signal bit */
- pushunsigned(L, r);
- return 1;
- }
-}
-
-
-static int b_rot (lua_State *L, lua_Integer d) {
- lua_Unsigned r = checkunsigned(L, 1);
- int i = d & (LUA_NBITS - 1); /* i = d % NBITS */
- r = trim(r);
- if (i != 0) /* avoid undefined shift of LUA_NBITS when i == 0 */
- r = (r << i) | (r >> (LUA_NBITS - i));
- pushunsigned(L, trim(r));
- return 1;
-}
-
-
-static int b_lrot (lua_State *L) {
- return b_rot(L, luaL_checkinteger(L, 2));
-}
-
-
-static int b_rrot (lua_State *L) {
- return b_rot(L, -luaL_checkinteger(L, 2));
-}
-
-
-/*
-** get field and width arguments for field-manipulation functions,
-** checking whether they are valid.
-** ('luaL_error' called without 'return' to avoid later warnings about
-** 'width' being used uninitialized.)
-*/
-static int fieldargs (lua_State *L, int farg, int *width) {
- lua_Integer f = luaL_checkinteger(L, farg);
- lua_Integer w = luaL_optinteger(L, farg + 1, 1);
- luaL_argcheck(L, 0 <= f, farg, "field cannot be negative");
- luaL_argcheck(L, 0 < w, farg + 1, "width must be positive");
- if (f + w > LUA_NBITS)
- luaL_error(L, "trying to access non-existent bits");
- *width = (int)w;
- return (int)f;
-}
-
-
-static int b_extract (lua_State *L) {
- int w;
- lua_Unsigned r = trim(checkunsigned(L, 1));
- int f = fieldargs(L, 2, &w);
- r = (r >> f) & mask(w);
- pushunsigned(L, r);
- return 1;
-}
-
-
-static int b_replace (lua_State *L) {
- int w;
- lua_Unsigned r = trim(checkunsigned(L, 1));
- lua_Unsigned v = trim(checkunsigned(L, 2));
- int f = fieldargs(L, 3, &w);
- lua_Unsigned m = mask(w);
- r = (r & ~(m << f)) | ((v & m) << f);
- pushunsigned(L, r);
- return 1;
-}
-
-
-static const luaL_Reg bitlib[] = {
- {"arshift", b_arshift},
- {"band", b_and},
- {"bnot", b_not},
- {"bor", b_or},
- {"bxor", b_xor},
- {"btest", b_test},
- {"extract", b_extract},
- {"lrotate", b_lrot},
- {"lshift", b_lshift},
- {"replace", b_replace},
- {"rrotate", b_rrot},
- {"rshift", b_rshift},
- {NULL, NULL}
-};
-
-
-
-LUAMOD_API int luaopen_bit32 (lua_State *L) {
- luaL_newlib(L, bitlib);
- return 1;
-}
-
-
-#else /* }{ */
-
-
-LUAMOD_API int luaopen_bit32 (lua_State *L) {
- return luaL_error(L, "library 'bit32' has been deprecated");
-}
-
-#endif /* } */
diff --git a/Build/source/libs/lua53/lua53-src/src/lcode.c b/Build/source/libs/lua53/lua53-src/src/lcode.c
deleted file mode 100644
index dc7271d6141..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/lcode.c
+++ /dev/null
@@ -1,1203 +0,0 @@
-/*
-** $Id: lcode.c,v 2.112.1.1 2017/04/19 17:20:42 roberto Exp $
-** Code generator for Lua
-** See Copyright Notice in lua.h
-*/
-
-#define lcode_c
-#define LUA_CORE
-
-#include "lprefix.h"
-
-
-#include <math.h>
-#include <stdlib.h>
-
-#include "lua.h"
-
-#include "lcode.h"
-#include "ldebug.h"
-#include "ldo.h"
-#include "lgc.h"
-#include "llex.h"
-#include "lmem.h"
-#include "lobject.h"
-#include "lopcodes.h"
-#include "lparser.h"
-#include "lstring.h"
-#include "ltable.h"
-#include "lvm.h"
-
-
-/* Maximum number of registers in a Lua function (must fit in 8 bits) */
-#define MAXREGS 255
-
-
-#define hasjumps(e) ((e)->t != (e)->f)
-
-
-/*
-** If expression is a numeric constant, fills 'v' with its value
-** and returns 1. Otherwise, returns 0.
-*/
-static int tonumeral(const expdesc *e, TValue *v) {
- if (hasjumps(e))
- return 0; /* not a numeral */
- switch (e->k) {
- case VKINT:
- if (v) setivalue(v, e->u.ival);
- return 1;
- case VKFLT:
- if (v) setfltvalue(v, e->u.nval);
- return 1;
- default: return 0;
- }
-}
-
-
-/*
-** Create a OP_LOADNIL instruction, but try to optimize: if the previous
-** instruction is also OP_LOADNIL and ranges are compatible, adjust
-** range of previous instruction instead of emitting a new one. (For
-** instance, 'local a; local b' will generate a single opcode.)
-*/
-void luaK_nil (FuncState *fs, int from, int n) {
- Instruction *previous;
- int l = from + n - 1; /* last register to set nil */
- if (fs->pc > fs->lasttarget) { /* no jumps to current position? */
- previous = &fs->f->code[fs->pc-1];
- if (GET_OPCODE(*previous) == OP_LOADNIL) { /* previous is LOADNIL? */
- int pfrom = GETARG_A(*previous); /* get previous range */
- int pl = pfrom + GETARG_B(*previous);
- if ((pfrom <= from && from <= pl + 1) ||
- (from <= pfrom && pfrom <= l + 1)) { /* can connect both? */
- if (pfrom < from) from = pfrom; /* from = min(from, pfrom) */
- if (pl > l) l = pl; /* l = max(l, pl) */
- SETARG_A(*previous, from);
- SETARG_B(*previous, l - from);
- return;
- }
- } /* else go through */
- }
- luaK_codeABC(fs, OP_LOADNIL, from, n - 1, 0); /* else no optimization */
-}
-
-
-/*
-** Gets the destination address of a jump instruction. Used to traverse
-** a list of jumps.
-*/
-static int getjump (FuncState *fs, int pc) {
- int offset = GETARG_sBx(fs->f->code[pc]);
- if (offset == NO_JUMP) /* point to itself represents end of list */
- return NO_JUMP; /* end of list */
- else
- return (pc+1)+offset; /* turn offset into absolute position */
-}
-
-
-/*
-** Fix jump instruction at position 'pc' to jump to 'dest'.
-** (Jump addresses are relative in Lua)
-*/
-static void fixjump (FuncState *fs, int pc, int dest) {
- Instruction *jmp = &fs->f->code[pc];
- int offset = dest - (pc + 1);
- lua_assert(dest != NO_JUMP);
- if (abs(offset) > MAXARG_sBx)
- luaX_syntaxerror(fs->ls, "control structure too long");
- SETARG_sBx(*jmp, offset);
-}
-
-
-/*
-** Concatenate jump-list 'l2' into jump-list 'l1'
-*/
-void luaK_concat (FuncState *fs, int *l1, int l2) {
- if (l2 == NO_JUMP) return; /* nothing to concatenate? */
- else if (*l1 == NO_JUMP) /* no original list? */
- *l1 = l2; /* 'l1' points to 'l2' */
- else {
- int list = *l1;
- int next;
- while ((next = getjump(fs, list)) != NO_JUMP) /* find last element */
- list = next;
- fixjump(fs, list, l2); /* last element links to 'l2' */
- }
-}
-
-
-/*
-** Create a jump instruction and return its position, so its destination
-** can be fixed later (with 'fixjump'). If there are jumps to
-** this position (kept in 'jpc'), link them all together so that
-** 'patchlistaux' will fix all them directly to the final destination.
-*/
-int luaK_jump (FuncState *fs) {
- int jpc = fs->jpc; /* save list of jumps to here */
- int j;
- fs->jpc = NO_JUMP; /* no more jumps to here */
- j = luaK_codeAsBx(fs, OP_JMP, 0, NO_JUMP);
- luaK_concat(fs, &j, jpc); /* keep them on hold */
- return j;
-}
-
-
-/*
-** Code a 'return' instruction
-*/
-void luaK_ret (FuncState *fs, int first, int nret) {
- luaK_codeABC(fs, OP_RETURN, first, nret+1, 0);
-}
-
-
-/*
-** Code a "conditional jump", that is, a test or comparison opcode
-** followed by a jump. Return jump position.
-*/
-static int condjump (FuncState *fs, OpCode op, int A, int B, int C) {
- luaK_codeABC(fs, op, A, B, C);
- return luaK_jump(fs);
-}
-
-
-/*
-** returns current 'pc' and marks it as a jump target (to avoid wrong
-** optimizations with consecutive instructions not in the same basic block).
-*/
-int luaK_getlabel (FuncState *fs) {
- fs->lasttarget = fs->pc;
- return fs->pc;
-}
-
-
-/*
-** Returns the position of the instruction "controlling" a given
-** jump (that is, its condition), or the jump itself if it is
-** unconditional.
-*/
-static Instruction *getjumpcontrol (FuncState *fs, int pc) {
- Instruction *pi = &fs->f->code[pc];
- if (pc >= 1 && testTMode(GET_OPCODE(*(pi-1))))
- return pi-1;
- else
- return pi;
-}
-
-
-/*
-** Patch destination register for a TESTSET instruction.
-** If instruction in position 'node' is not a TESTSET, return 0 ("fails").
-** Otherwise, if 'reg' is not 'NO_REG', set it as the destination
-** register. Otherwise, change instruction to a simple 'TEST' (produces
-** no register value)
-*/
-static int patchtestreg (FuncState *fs, int node, int reg) {
- Instruction *i = getjumpcontrol(fs, node);
- if (GET_OPCODE(*i) != OP_TESTSET)
- return 0; /* cannot patch other instructions */
- if (reg != NO_REG && reg != GETARG_B(*i))
- SETARG_A(*i, reg);
- else {
- /* no register to put value or register already has the value;
- change instruction to simple test */
- *i = CREATE_ABC(OP_TEST, GETARG_B(*i), 0, GETARG_C(*i));
- }
- return 1;
-}
-
-
-/*
-** Traverse a list of tests ensuring no one produces a value
-*/
-static void removevalues (FuncState *fs, int list) {
- for (; list != NO_JUMP; list = getjump(fs, list))
- patchtestreg(fs, list, NO_REG);
-}
-
-
-/*
-** Traverse a list of tests, patching their destination address and
-** registers: tests producing values jump to 'vtarget' (and put their
-** values in 'reg'), other tests jump to 'dtarget'.
-*/
-static void patchlistaux (FuncState *fs, int list, int vtarget, int reg,
- int dtarget) {
- while (list != NO_JUMP) {
- int next = getjump(fs, list);
- if (patchtestreg(fs, list, reg))
- fixjump(fs, list, vtarget);
- else
- fixjump(fs, list, dtarget); /* jump to default target */
- list = next;
- }
-}
-
-
-/*
-** Ensure all pending jumps to current position are fixed (jumping
-** to current position with no values) and reset list of pending
-** jumps
-*/
-static void dischargejpc (FuncState *fs) {
- patchlistaux(fs, fs->jpc, fs->pc, NO_REG, fs->pc);
- fs->jpc = NO_JUMP;
-}
-
-
-/*
-** Add elements in 'list' to list of pending jumps to "here"
-** (current position)
-*/
-void luaK_patchtohere (FuncState *fs, int list) {
- luaK_getlabel(fs); /* mark "here" as a jump target */
- luaK_concat(fs, &fs->jpc, list);
-}
-
-
-/*
-** Path all jumps in 'list' to jump to 'target'.
-** (The assert means that we cannot fix a jump to a forward address
-** because we only know addresses once code is generated.)
-*/
-void luaK_patchlist (FuncState *fs, int list, int target) {
- if (target == fs->pc) /* 'target' is current position? */
- luaK_patchtohere(fs, list); /* add list to pending jumps */
- else {
- lua_assert(target < fs->pc);
- patchlistaux(fs, list, target, NO_REG, target);
- }
-}
-
-
-/*
-** Path all jumps in 'list' to close upvalues up to given 'level'
-** (The assertion checks that jumps either were closing nothing
-** or were closing higher levels, from inner blocks.)
-*/
-void luaK_patchclose (FuncState *fs, int list, int level) {
- level++; /* argument is +1 to reserve 0 as non-op */
- for (; list != NO_JUMP; list = getjump(fs, list)) {
- lua_assert(GET_OPCODE(fs->f->code[list]) == OP_JMP &&
- (GETARG_A(fs->f->code[list]) == 0 ||
- GETARG_A(fs->f->code[list]) >= level));
- SETARG_A(fs->f->code[list], level);
- }
-}
-
-
-/*
-** Emit instruction 'i', checking for array sizes and saving also its
-** line information. Return 'i' position.
-*/
-static int luaK_code (FuncState *fs, Instruction i) {
- Proto *f = fs->f;
- dischargejpc(fs); /* 'pc' will change */
- /* put new instruction in code array */
- luaM_growvector(fs->ls->L, f->code, fs->pc, f->sizecode, Instruction,
- MAX_INT, "opcodes");
- f->code[fs->pc] = i;
- /* save corresponding line information */
- luaM_growvector(fs->ls->L, f->lineinfo, fs->pc, f->sizelineinfo, int,
- MAX_INT, "opcodes");
- f->lineinfo[fs->pc] = fs->ls->lastline;
- return fs->pc++;
-}
-
-
-/*
-** Format and emit an 'iABC' instruction. (Assertions check consistency
-** of parameters versus opcode.)
-*/
-int luaK_codeABC (FuncState *fs, OpCode o, int a, int b, int c) {
- lua_assert(getOpMode(o) == iABC);
- lua_assert(getBMode(o) != OpArgN || b == 0);
- lua_assert(getCMode(o) != OpArgN || c == 0);
- lua_assert(a <= MAXARG_A && b <= MAXARG_B && c <= MAXARG_C);
- return luaK_code(fs, CREATE_ABC(o, a, b, c));
-}
-
-
-/*
-** Format and emit an 'iABx' instruction.
-*/
-int luaK_codeABx (FuncState *fs, OpCode o, int a, unsigned int bc) {
- lua_assert(getOpMode(o) == iABx || getOpMode(o) == iAsBx);
- lua_assert(getCMode(o) == OpArgN);
- lua_assert(a <= MAXARG_A && bc <= MAXARG_Bx);
- return luaK_code(fs, CREATE_ABx(o, a, bc));
-}
-
-
-/*
-** Emit an "extra argument" instruction (format 'iAx')
-*/
-static int codeextraarg (FuncState *fs, int a) {
- lua_assert(a <= MAXARG_Ax);
- return luaK_code(fs, CREATE_Ax(OP_EXTRAARG, a));
-}
-
-
-/*
-** Emit a "load constant" instruction, using either 'OP_LOADK'
-** (if constant index 'k' fits in 18 bits) or an 'OP_LOADKX'
-** instruction with "extra argument".
-*/
-int luaK_codek (FuncState *fs, int reg, int k) {
- if (k <= MAXARG_Bx)
- return luaK_codeABx(fs, OP_LOADK, reg, k);
- else {
- int p = luaK_codeABx(fs, OP_LOADKX, reg, 0);
- codeextraarg(fs, k);
- return p;
- }
-}
-
-
-/*
-** Check register-stack level, keeping track of its maximum size
-** in field 'maxstacksize'
-*/
-void luaK_checkstack (FuncState *fs, int n) {
- int newstack = fs->freereg + n;
- if (newstack > fs->f->maxstacksize) {
- if (newstack >= MAXREGS)
- luaX_syntaxerror(fs->ls,
- "function or expression needs too many registers");
- fs->f->maxstacksize = cast_byte(newstack);
- }
-}
-
-
-/*
-** Reserve 'n' registers in register stack
-*/
-void luaK_reserveregs (FuncState *fs, int n) {
- luaK_checkstack(fs, n);
- fs->freereg += n;
-}
-
-
-/*
-** Free register 'reg', if it is neither a constant index nor
-** a local variable.
-)
-*/
-static void freereg (FuncState *fs, int reg) {
- if (!ISK(reg) && reg >= fs->nactvar) {
- fs->freereg--;
- lua_assert(reg == fs->freereg);
- }
-}
-
-
-/*
-** Free register used by expression 'e' (if any)
-*/
-static void freeexp (FuncState *fs, expdesc *e) {
- if (e->k == VNONRELOC)
- freereg(fs, e->u.info);
-}
-
-
-/*
-** Free registers used by expressions 'e1' and 'e2' (if any) in proper
-** order.
-*/
-static void freeexps (FuncState *fs, expdesc *e1, expdesc *e2) {
- int r1 = (e1->k == VNONRELOC) ? e1->u.info : -1;
- int r2 = (e2->k == VNONRELOC) ? e2->u.info : -1;
- if (r1 > r2) {
- freereg(fs, r1);
- freereg(fs, r2);
- }
- else {
- freereg(fs, r2);
- freereg(fs, r1);
- }
-}
-
-
-/*
-** Add constant 'v' to prototype's list of constants (field 'k').
-** Use scanner's table to cache position of constants in constant list
-** and try to reuse constants. Because some values should not be used
-** as keys (nil cannot be a key, integer keys can collapse with float
-** keys), the caller must provide a useful 'key' for indexing the cache.
-*/
-static int addk (FuncState *fs, TValue *key, TValue *v) {
- lua_State *L = fs->ls->L;
- Proto *f = fs->f;
- TValue *idx = luaH_set(L, fs->ls->h, key); /* index scanner table */
- int k, oldsize;
- if (ttisinteger(idx)) { /* is there an index there? */
- k = cast_int(ivalue(idx));
- /* correct value? (warning: must distinguish floats from integers!) */
- if (k < fs->nk && ttype(&f->k[k]) == ttype(v) &&
- luaV_rawequalobj(&f->k[k], v))
- return k; /* reuse index */
- }
- /* constant not found; create a new entry */
- oldsize = f->sizek;
- k = fs->nk;
- /* numerical value does not need GC barrier;
- table has no metatable, so it does not need to invalidate cache */
- setivalue(idx, k);
- luaM_growvector(L, f->k, k, f->sizek, TValue, MAXARG_Ax, "constants");
- while (oldsize < f->sizek) setnilvalue(&f->k[oldsize++]);
- setobj(L, &f->k[k], v);
- fs->nk++;
- luaC_barrier(L, f, v);
- return k;
-}
-
-
-/*
-** Add a string to list of constants and return its index.
-*/
-int luaK_stringK (FuncState *fs, TString *s) {
- TValue o;
- setsvalue(fs->ls->L, &o, s);
- return addk(fs, &o, &o); /* use string itself as key */
-}
-
-
-/*
-** Add an integer to list of constants and return its index.
-** Integers use userdata as keys to avoid collision with floats with
-** same value; conversion to 'void*' is used only for hashing, so there
-** are no "precision" problems.
-*/
-int luaK_intK (FuncState *fs, lua_Integer n) {
- TValue k, o;
- setpvalue(&k, cast(void*, cast(size_t, n)));
- setivalue(&o, n);
- return addk(fs, &k, &o);
-}
-
-/*
-** Add a float to list of constants and return its index.
-*/
-static int luaK_numberK (FuncState *fs, lua_Number r) {
- TValue o;
- setfltvalue(&o, r);
- return addk(fs, &o, &o); /* use number itself as key */
-}
-
-
-/*
-** Add a boolean to list of constants and return its index.
-*/
-static int boolK (FuncState *fs, int b) {
- TValue o;
- setbvalue(&o, b);
- return addk(fs, &o, &o); /* use boolean itself as key */
-}
-
-
-/*
-** Add nil to list of constants and return its index.
-*/
-static int nilK (FuncState *fs) {
- TValue k, v;
- setnilvalue(&v);
- /* cannot use nil as key; instead use table itself to represent nil */
- sethvalue(fs->ls->L, &k, fs->ls->h);
- return addk(fs, &k, &v);
-}
-
-
-/*
-** Fix an expression to return the number of results 'nresults'.
-** Either 'e' is a multi-ret expression (function call or vararg)
-** or 'nresults' is LUA_MULTRET (as any expression can satisfy that).
-*/
-void luaK_setreturns (FuncState *fs, expdesc *e, int nresults) {
- if (e->k == VCALL) { /* expression is an open function call? */
- SETARG_C(getinstruction(fs, e), nresults + 1);
- }
- else if (e->k == VVARARG) {
- Instruction *pc = &getinstruction(fs, e);
- SETARG_B(*pc, nresults + 1);
- SETARG_A(*pc, fs->freereg);
- luaK_reserveregs(fs, 1);
- }
- else lua_assert(nresults == LUA_MULTRET);
-}
-
-
-/*
-** Fix an expression to return one result.
-** If expression is not a multi-ret expression (function call or
-** vararg), it already returns one result, so nothing needs to be done.
-** Function calls become VNONRELOC expressions (as its result comes
-** fixed in the base register of the call), while vararg expressions
-** become VRELOCABLE (as OP_VARARG puts its results where it wants).
-** (Calls are created returning one result, so that does not need
-** to be fixed.)
-*/
-void luaK_setoneret (FuncState *fs, expdesc *e) {
- if (e->k == VCALL) { /* expression is an open function call? */
- /* already returns 1 value */
- lua_assert(GETARG_C(getinstruction(fs, e)) == 2);
- e->k = VNONRELOC; /* result has fixed position */
- e->u.info = GETARG_A(getinstruction(fs, e));
- }
- else if (e->k == VVARARG) {
- SETARG_B(getinstruction(fs, e), 2);
- e->k = VRELOCABLE; /* can relocate its simple result */
- }
-}
-
-
-/*
-** Ensure that expression 'e' is not a variable.
-*/
-void luaK_dischargevars (FuncState *fs, expdesc *e) {
- switch (e->k) {
- case VLOCAL: { /* already in a register */
- e->k = VNONRELOC; /* becomes a non-relocatable value */
- break;
- }
- case VUPVAL: { /* move value to some (pending) register */
- e->u.info = luaK_codeABC(fs, OP_GETUPVAL, 0, e->u.info, 0);
- e->k = VRELOCABLE;
- break;
- }
- case VINDEXED: {
- OpCode op;
- freereg(fs, e->u.ind.idx);
- if (e->u.ind.vt == VLOCAL) { /* is 't' in a register? */
- freereg(fs, e->u.ind.t);
- op = OP_GETTABLE;
- }
- else {
- lua_assert(e->u.ind.vt == VUPVAL);
- op = OP_GETTABUP; /* 't' is in an upvalue */
- }
- e->u.info = luaK_codeABC(fs, op, 0, e->u.ind.t, e->u.ind.idx);
- e->k = VRELOCABLE;
- break;
- }
- case VVARARG: case VCALL: {
- luaK_setoneret(fs, e);
- break;
- }
- default: break; /* there is one value available (somewhere) */
- }
-}
-
-
-/*
-** Ensures expression value is in register 'reg' (and therefore
-** 'e' will become a non-relocatable expression).
-*/
-static void discharge2reg (FuncState *fs, expdesc *e, int reg) {
- luaK_dischargevars(fs, e);
- switch (e->k) {
- case VNIL: {
- luaK_nil(fs, reg, 1);
- break;
- }
- case VFALSE: case VTRUE: {
- luaK_codeABC(fs, OP_LOADBOOL, reg, e->k == VTRUE, 0);
- break;
- }
- case VK: {
- luaK_codek(fs, reg, e->u.info);
- break;
- }
- case VKFLT: {
- luaK_codek(fs, reg, luaK_numberK(fs, e->u.nval));
- break;
- }
- case VKINT: {
- luaK_codek(fs, reg, luaK_intK(fs, e->u.ival));
- break;
- }
- case VRELOCABLE: {
- Instruction *pc = &getinstruction(fs, e);
- SETARG_A(*pc, reg); /* instruction will put result in 'reg' */
- break;
- }
- case VNONRELOC: {
- if (reg != e->u.info)
- luaK_codeABC(fs, OP_MOVE, reg, e->u.info, 0);
- break;
- }
- default: {
- lua_assert(e->k == VJMP);
- return; /* nothing to do... */
- }
- }
- e->u.info = reg;
- e->k = VNONRELOC;
-}
-
-
-/*
-** Ensures expression value is in any register.
-*/
-static void discharge2anyreg (FuncState *fs, expdesc *e) {
- if (e->k != VNONRELOC) { /* no fixed register yet? */
- luaK_reserveregs(fs, 1); /* get a register */
- discharge2reg(fs, e, fs->freereg-1); /* put value there */
- }
-}
-
-
-static int code_loadbool (FuncState *fs, int A, int b, int jump) {
- luaK_getlabel(fs); /* those instructions may be jump targets */
- return luaK_codeABC(fs, OP_LOADBOOL, A, b, jump);
-}
-
-
-/*
-** check whether list has any jump that do not produce a value
-** or produce an inverted value
-*/
-static int need_value (FuncState *fs, int list) {
- for (; list != NO_JUMP; list = getjump(fs, list)) {
- Instruction i = *getjumpcontrol(fs, list);
- if (GET_OPCODE(i) != OP_TESTSET) return 1;
- }
- return 0; /* not found */
-}
-
-
-/*
-** Ensures final expression result (including results from its jump
-** lists) is in register 'reg'.
-** If expression has jumps, need to patch these jumps either to
-** its final position or to "load" instructions (for those tests
-** that do not produce values).
-*/
-static void exp2reg (FuncState *fs, expdesc *e, int reg) {
- discharge2reg(fs, e, reg);
- if (e->k == VJMP) /* expression itself is a test? */
- luaK_concat(fs, &e->t, e->u.info); /* put this jump in 't' list */
- if (hasjumps(e)) {
- int final; /* position after whole expression */
- int p_f = NO_JUMP; /* position of an eventual LOAD false */
- int p_t = NO_JUMP; /* position of an eventual LOAD true */
- if (need_value(fs, e->t) || need_value(fs, e->f)) {
- int fj = (e->k == VJMP) ? NO_JUMP : luaK_jump(fs);
- p_f = code_loadbool(fs, reg, 0, 1);
- p_t = code_loadbool(fs, reg, 1, 0);
- luaK_patchtohere(fs, fj);
- }
- final = luaK_getlabel(fs);
- patchlistaux(fs, e->f, final, reg, p_f);
- patchlistaux(fs, e->t, final, reg, p_t);
- }
- e->f = e->t = NO_JUMP;
- e->u.info = reg;
- e->k = VNONRELOC;
-}
-
-
-/*
-** Ensures final expression result (including results from its jump
-** lists) is in next available register.
-*/
-void luaK_exp2nextreg (FuncState *fs, expdesc *e) {
- luaK_dischargevars(fs, e);
- freeexp(fs, e);
- luaK_reserveregs(fs, 1);
- exp2reg(fs, e, fs->freereg - 1);
-}
-
-
-/*
-** Ensures final expression result (including results from its jump
-** lists) is in some (any) register and return that register.
-*/
-int luaK_exp2anyreg (FuncState *fs, expdesc *e) {
- luaK_dischargevars(fs, e);
- if (e->k == VNONRELOC) { /* expression already has a register? */
- if (!hasjumps(e)) /* no jumps? */
- return e->u.info; /* result is already in a register */
- if (e->u.info >= fs->nactvar) { /* reg. is not a local? */
- exp2reg(fs, e, e->u.info); /* put final result in it */
- return e->u.info;
- }
- }
- luaK_exp2nextreg(fs, e); /* otherwise, use next available register */
- return e->u.info;
-}
-
-
-/*
-** Ensures final expression result is either in a register or in an
-** upvalue.
-*/
-void luaK_exp2anyregup (FuncState *fs, expdesc *e) {
- if (e->k != VUPVAL || hasjumps(e))
- luaK_exp2anyreg(fs, e);
-}
-
-
-/*
-** Ensures final expression result is either in a register or it is
-** a constant.
-*/
-void luaK_exp2val (FuncState *fs, expdesc *e) {
- if (hasjumps(e))
- luaK_exp2anyreg(fs, e);
- else
- luaK_dischargevars(fs, e);
-}
-
-
-/*
-** Ensures final expression result is in a valid R/K index
-** (that is, it is either in a register or in 'k' with an index
-** in the range of R/K indices).
-** Returns R/K index.
-*/
-int luaK_exp2RK (FuncState *fs, expdesc *e) {
- luaK_exp2val(fs, e);
- switch (e->k) { /* move constants to 'k' */
- case VTRUE: e->u.info = boolK(fs, 1); goto vk;
- case VFALSE: e->u.info = boolK(fs, 0); goto vk;
- case VNIL: e->u.info = nilK(fs); goto vk;
- case VKINT: e->u.info = luaK_intK(fs, e->u.ival); goto vk;
- case VKFLT: e->u.info = luaK_numberK(fs, e->u.nval); goto vk;
- case VK:
- vk:
- e->k = VK;
- if (e->u.info <= MAXINDEXRK) /* constant fits in 'argC'? */
- return RKASK(e->u.info);
- else break;
- default: break;
- }
- /* not a constant in the right range: put it in a register */
- return luaK_exp2anyreg(fs, e);
-}
-
-
-/*
-** Generate code to store result of expression 'ex' into variable 'var'.
-*/
-void luaK_storevar (FuncState *fs, expdesc *var, expdesc *ex) {
- switch (var->k) {
- case VLOCAL: {
- freeexp(fs, ex);
- exp2reg(fs, ex, var->u.info); /* compute 'ex' into proper place */
- return;
- }
- case VUPVAL: {
- int e = luaK_exp2anyreg(fs, ex);
- luaK_codeABC(fs, OP_SETUPVAL, e, var->u.info, 0);
- break;
- }
- case VINDEXED: {
- OpCode op = (var->u.ind.vt == VLOCAL) ? OP_SETTABLE : OP_SETTABUP;
- int e = luaK_exp2RK(fs, ex);
- luaK_codeABC(fs, op, var->u.ind.t, var->u.ind.idx, e);
- break;
- }
- default: lua_assert(0); /* invalid var kind to store */
- }
- freeexp(fs, ex);
-}
-
-
-/*
-** Emit SELF instruction (convert expression 'e' into 'e:key(e,').
-*/
-void luaK_self (FuncState *fs, expdesc *e, expdesc *key) {
- int ereg;
- luaK_exp2anyreg(fs, e);
- ereg = e->u.info; /* register where 'e' was placed */
- freeexp(fs, e);
- e->u.info = fs->freereg; /* base register for op_self */
- e->k = VNONRELOC; /* self expression has a fixed register */
- luaK_reserveregs(fs, 2); /* function and 'self' produced by op_self */
- luaK_codeABC(fs, OP_SELF, e->u.info, ereg, luaK_exp2RK(fs, key));
- freeexp(fs, key);
-}
-
-
-/*
-** Negate condition 'e' (where 'e' is a comparison).
-*/
-static void negatecondition (FuncState *fs, expdesc *e) {
- Instruction *pc = getjumpcontrol(fs, e->u.info);
- lua_assert(testTMode(GET_OPCODE(*pc)) && GET_OPCODE(*pc) != OP_TESTSET &&
- GET_OPCODE(*pc) != OP_TEST);
- SETARG_A(*pc, !(GETARG_A(*pc)));
-}
-
-
-/*
-** Emit instruction to jump if 'e' is 'cond' (that is, if 'cond'
-** is true, code will jump if 'e' is true.) Return jump position.
-** Optimize when 'e' is 'not' something, inverting the condition
-** and removing the 'not'.
-*/
-static int jumponcond (FuncState *fs, expdesc *e, int cond) {
- if (e->k == VRELOCABLE) {
- Instruction ie = getinstruction(fs, e);
- if (GET_OPCODE(ie) == OP_NOT) {
- fs->pc--; /* remove previous OP_NOT */
- return condjump(fs, OP_TEST, GETARG_B(ie), 0, !cond);
- }
- /* else go through */
- }
- discharge2anyreg(fs, e);
- freeexp(fs, e);
- return condjump(fs, OP_TESTSET, NO_REG, e->u.info, cond);
-}
-
-
-/*
-** Emit code to go through if 'e' is true, jump otherwise.
-*/
-void luaK_goiftrue (FuncState *fs, expdesc *e) {
- int pc; /* pc of new jump */
- luaK_dischargevars(fs, e);
- switch (e->k) {
- case VJMP: { /* condition? */
- negatecondition(fs, e); /* jump when it is false */
- pc = e->u.info; /* save jump position */
- break;
- }
- case VK: case VKFLT: case VKINT: case VTRUE: {
- pc = NO_JUMP; /* always true; do nothing */
- break;
- }
- default: {
- pc = jumponcond(fs, e, 0); /* jump when false */
- break;
- }
- }
- luaK_concat(fs, &e->f, pc); /* insert new jump in false list */
- luaK_patchtohere(fs, e->t); /* true list jumps to here (to go through) */
- e->t = NO_JUMP;
-}
-
-
-/*
-** Emit code to go through if 'e' is false, jump otherwise.
-*/
-void luaK_goiffalse (FuncState *fs, expdesc *e) {
- int pc; /* pc of new jump */
- luaK_dischargevars(fs, e);
- switch (e->k) {
- case VJMP: {
- pc = e->u.info; /* already jump if true */
- break;
- }
- case VNIL: case VFALSE: {
- pc = NO_JUMP; /* always false; do nothing */
- break;
- }
- default: {
- pc = jumponcond(fs, e, 1); /* jump if true */
- break;
- }
- }
- luaK_concat(fs, &e->t, pc); /* insert new jump in 't' list */
- luaK_patchtohere(fs, e->f); /* false list jumps to here (to go through) */
- e->f = NO_JUMP;
-}
-
-
-/*
-** Code 'not e', doing constant folding.
-*/
-static void codenot (FuncState *fs, expdesc *e) {
- luaK_dischargevars(fs, e);
- switch (e->k) {
- case VNIL: case VFALSE: {
- e->k = VTRUE; /* true == not nil == not false */
- break;
- }
- case VK: case VKFLT: case VKINT: case VTRUE: {
- e->k = VFALSE; /* false == not "x" == not 0.5 == not 1 == not true */
- break;
- }
- case VJMP: {
- negatecondition(fs, e);
- break;
- }
- case VRELOCABLE:
- case VNONRELOC: {
- discharge2anyreg(fs, e);
- freeexp(fs, e);
- e->u.info = luaK_codeABC(fs, OP_NOT, 0, e->u.info, 0);
- e->k = VRELOCABLE;
- break;
- }
- default: lua_assert(0); /* cannot happen */
- }
- /* interchange true and false lists */
- { int temp = e->f; e->f = e->t; e->t = temp; }
- removevalues(fs, e->f); /* values are useless when negated */
- removevalues(fs, e->t);
-}
-
-
-/*
-** Create expression 't[k]'. 't' must have its final result already in a
-** register or upvalue.
-*/
-void luaK_indexed (FuncState *fs, expdesc *t, expdesc *k) {
- lua_assert(!hasjumps(t) && (vkisinreg(t->k) || t->k == VUPVAL));
- t->u.ind.t = t->u.info; /* register or upvalue index */
- t->u.ind.idx = luaK_exp2RK(fs, k); /* R/K index for key */
- t->u.ind.vt = (t->k == VUPVAL) ? VUPVAL : VLOCAL;
- t->k = VINDEXED;
-}
-
-
-/*
-** Return false if folding can raise an error.
-** Bitwise operations need operands convertible to integers; division
-** operations cannot have 0 as divisor.
-*/
-static int validop (int op, TValue *v1, TValue *v2) {
- switch (op) {
- case LUA_OPBAND: case LUA_OPBOR: case LUA_OPBXOR:
- case LUA_OPSHL: case LUA_OPSHR: case LUA_OPBNOT: { /* conversion errors */
- lua_Integer i;
- return (tointeger(v1, &i) && tointeger(v2, &i));
- }
- case LUA_OPDIV: case LUA_OPIDIV: case LUA_OPMOD: /* division by 0 */
- return (nvalue(v2) != 0);
- default: return 1; /* everything else is valid */
- }
-}
-
-
-/*
-** Try to "constant-fold" an operation; return 1 iff successful.
-** (In this case, 'e1' has the final result.)
-*/
-static int constfolding (FuncState *fs, int op, expdesc *e1,
- const expdesc *e2) {
- TValue v1, v2, res;
- if (!tonumeral(e1, &v1) || !tonumeral(e2, &v2) || !validop(op, &v1, &v2))
- return 0; /* non-numeric operands or not safe to fold */
- luaO_arith(fs->ls->L, op, &v1, &v2, &res); /* does operation */
- if (ttisinteger(&res)) {
- e1->k = VKINT;
- e1->u.ival = ivalue(&res);
- }
- else { /* folds neither NaN nor 0.0 (to avoid problems with -0.0) */
- lua_Number n = fltvalue(&res);
- if (luai_numisnan(n) || n == 0)
- return 0;
- e1->k = VKFLT;
- e1->u.nval = n;
- }
- return 1;
-}
-
-
-/*
-** Emit code for unary expressions that "produce values"
-** (everything but 'not').
-** Expression to produce final result will be encoded in 'e'.
-*/
-static void codeunexpval (FuncState *fs, OpCode op, expdesc *e, int line) {
- int r = luaK_exp2anyreg(fs, e); /* opcodes operate only on registers */
- freeexp(fs, e);
- e->u.info = luaK_codeABC(fs, op, 0, r, 0); /* generate opcode */
- e->k = VRELOCABLE; /* all those operations are relocatable */
- luaK_fixline(fs, line);
-}
-
-
-/*
-** Emit code for binary expressions that "produce values"
-** (everything but logical operators 'and'/'or' and comparison
-** operators).
-** Expression to produce final result will be encoded in 'e1'.
-** Because 'luaK_exp2RK' can free registers, its calls must be
-** in "stack order" (that is, first on 'e2', which may have more
-** recent registers to be released).
-*/
-static void codebinexpval (FuncState *fs, OpCode op,
- expdesc *e1, expdesc *e2, int line) {
- int rk2 = luaK_exp2RK(fs, e2); /* both operands are "RK" */
- int rk1 = luaK_exp2RK(fs, e1);
- freeexps(fs, e1, e2);
- e1->u.info = luaK_codeABC(fs, op, 0, rk1, rk2); /* generate opcode */
- e1->k = VRELOCABLE; /* all those operations are relocatable */
- luaK_fixline(fs, line);
-}
-
-
-/*
-** Emit code for comparisons.
-** 'e1' was already put in R/K form by 'luaK_infix'.
-*/
-static void codecomp (FuncState *fs, BinOpr opr, expdesc *e1, expdesc *e2) {
- int rk1 = (e1->k == VK) ? RKASK(e1->u.info)
- : check_exp(e1->k == VNONRELOC, e1->u.info);
- int rk2 = luaK_exp2RK(fs, e2);
- freeexps(fs, e1, e2);
- switch (opr) {
- case OPR_NE: { /* '(a ~= b)' ==> 'not (a == b)' */
- e1->u.info = condjump(fs, OP_EQ, 0, rk1, rk2);
- break;
- }
- case OPR_GT: case OPR_GE: {
- /* '(a > b)' ==> '(b < a)'; '(a >= b)' ==> '(b <= a)' */
- OpCode op = cast(OpCode, (opr - OPR_NE) + OP_EQ);
- e1->u.info = condjump(fs, op, 1, rk2, rk1); /* invert operands */
- break;
- }
- default: { /* '==', '<', '<=' use their own opcodes */
- OpCode op = cast(OpCode, (opr - OPR_EQ) + OP_EQ);
- e1->u.info = condjump(fs, op, 1, rk1, rk2);
- break;
- }
- }
- e1->k = VJMP;
-}
-
-
-/*
-** Apply prefix operation 'op' to expression 'e'.
-*/
-void luaK_prefix (FuncState *fs, UnOpr op, expdesc *e, int line) {
- static const expdesc ef = {VKINT, {0}, NO_JUMP, NO_JUMP};
- switch (op) {
- case OPR_MINUS: case OPR_BNOT: /* use 'ef' as fake 2nd operand */
- if (constfolding(fs, op + LUA_OPUNM, e, &ef))
- break;
- /* FALLTHROUGH */
- case OPR_LEN:
- codeunexpval(fs, cast(OpCode, op + OP_UNM), e, line);
- break;
- case OPR_NOT: codenot(fs, e); break;
- default: lua_assert(0);
- }
-}
-
-
-/*
-** Process 1st operand 'v' of binary operation 'op' before reading
-** 2nd operand.
-*/
-void luaK_infix (FuncState *fs, BinOpr op, expdesc *v) {
- switch (op) {
- case OPR_AND: {
- luaK_goiftrue(fs, v); /* go ahead only if 'v' is true */
- break;
- }
- case OPR_OR: {
- luaK_goiffalse(fs, v); /* go ahead only if 'v' is false */
- break;
- }
- case OPR_CONCAT: {
- luaK_exp2nextreg(fs, v); /* operand must be on the 'stack' */
- break;
- }
- case OPR_ADD: case OPR_SUB:
- case OPR_MUL: case OPR_DIV: case OPR_IDIV:
- case OPR_MOD: case OPR_POW:
- case OPR_BAND: case OPR_BOR: case OPR_BXOR:
- case OPR_SHL: case OPR_SHR: {
- if (!tonumeral(v, NULL))
- luaK_exp2RK(fs, v);
- /* else keep numeral, which may be folded with 2nd operand */
- break;
- }
- default: {
- luaK_exp2RK(fs, v);
- break;
- }
- }
-}
-
-
-/*
-** Finalize code for binary operation, after reading 2nd operand.
-** For '(a .. b .. c)' (which is '(a .. (b .. c))', because
-** concatenation is right associative), merge second CONCAT into first
-** one.
-*/
-void luaK_posfix (FuncState *fs, BinOpr op,
- expdesc *e1, expdesc *e2, int line) {
- switch (op) {
- case OPR_AND: {
- lua_assert(e1->t == NO_JUMP); /* list closed by 'luK_infix' */
- luaK_dischargevars(fs, e2);
- luaK_concat(fs, &e2->f, e1->f);
- *e1 = *e2;
- break;
- }
- case OPR_OR: {
- lua_assert(e1->f == NO_JUMP); /* list closed by 'luK_infix' */
- luaK_dischargevars(fs, e2);
- luaK_concat(fs, &e2->t, e1->t);
- *e1 = *e2;
- break;
- }
- case OPR_CONCAT: {
- luaK_exp2val(fs, e2);
- if (e2->k == VRELOCABLE &&
- GET_OPCODE(getinstruction(fs, e2)) == OP_CONCAT) {
- lua_assert(e1->u.info == GETARG_B(getinstruction(fs, e2))-1);
- freeexp(fs, e1);
- SETARG_B(getinstruction(fs, e2), e1->u.info);
- e1->k = VRELOCABLE; e1->u.info = e2->u.info;
- }
- else {
- luaK_exp2nextreg(fs, e2); /* operand must be on the 'stack' */
- codebinexpval(fs, OP_CONCAT, e1, e2, line);
- }
- break;
- }
- case OPR_ADD: case OPR_SUB: case OPR_MUL: case OPR_DIV:
- case OPR_IDIV: case OPR_MOD: case OPR_POW:
- case OPR_BAND: case OPR_BOR: case OPR_BXOR:
- case OPR_SHL: case OPR_SHR: {
- if (!constfolding(fs, op + LUA_OPADD, e1, e2))
- codebinexpval(fs, cast(OpCode, op + OP_ADD), e1, e2, line);
- break;
- }
- case OPR_EQ: case OPR_LT: case OPR_LE:
- case OPR_NE: case OPR_GT: case OPR_GE: {
- codecomp(fs, op, e1, e2);
- break;
- }
- default: lua_assert(0);
- }
-}
-
-
-/*
-** Change line information associated with current position.
-*/
-void luaK_fixline (FuncState *fs, int line) {
- fs->f->lineinfo[fs->pc - 1] = line;
-}
-
-
-/*
-** Emit a SETLIST instruction.
-** 'base' is register that keeps table;
-** 'nelems' is #table plus those to be stored now;
-** 'tostore' is number of values (in registers 'base + 1',...) to add to
-** table (or LUA_MULTRET to add up to stack top).
-*/
-void luaK_setlist (FuncState *fs, int base, int nelems, int tostore) {
- int c = (nelems - 1)/LFIELDS_PER_FLUSH + 1;
- int b = (tostore == LUA_MULTRET) ? 0 : tostore;
- lua_assert(tostore != 0 && tostore <= LFIELDS_PER_FLUSH);
- if (c <= MAXARG_C)
- luaK_codeABC(fs, OP_SETLIST, base, b, c);
- else if (c <= MAXARG_Ax) {
- luaK_codeABC(fs, OP_SETLIST, base, b, 0);
- codeextraarg(fs, c);
- }
- else
- luaX_syntaxerror(fs->ls, "constructor too long");
- fs->freereg = base + 1; /* free registers with list values */
-}
-
diff --git a/Build/source/libs/lua53/lua53-src/src/lcode.h b/Build/source/libs/lua53/lua53-src/src/lcode.h
deleted file mode 100644
index 882dc9c156e..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/lcode.h
+++ /dev/null
@@ -1,88 +0,0 @@
-/*
-** $Id: lcode.h,v 1.64.1.1 2017/04/19 17:20:42 roberto Exp $
-** Code generator for Lua
-** See Copyright Notice in lua.h
-*/
-
-#ifndef lcode_h
-#define lcode_h
-
-#include "llex.h"
-#include "lobject.h"
-#include "lopcodes.h"
-#include "lparser.h"
-
-
-/*
-** Marks the end of a patch list. It is an invalid value both as an absolute
-** address, and as a list link (would link an element to itself).
-*/
-#define NO_JUMP (-1)
-
-
-/*
-** grep "ORDER OPR" if you change these enums (ORDER OP)
-*/
-typedef enum BinOpr {
- OPR_ADD, OPR_SUB, OPR_MUL, OPR_MOD, OPR_POW,
- OPR_DIV,
- OPR_IDIV,
- OPR_BAND, OPR_BOR, OPR_BXOR,
- OPR_SHL, OPR_SHR,
- OPR_CONCAT,
- OPR_EQ, OPR_LT, OPR_LE,
- OPR_NE, OPR_GT, OPR_GE,
- OPR_AND, OPR_OR,
- OPR_NOBINOPR
-} BinOpr;
-
-
-typedef enum UnOpr { OPR_MINUS, OPR_BNOT, OPR_NOT, OPR_LEN, OPR_NOUNOPR } UnOpr;
-
-
-/* get (pointer to) instruction of given 'expdesc' */
-#define getinstruction(fs,e) ((fs)->f->code[(e)->u.info])
-
-#define luaK_codeAsBx(fs,o,A,sBx) luaK_codeABx(fs,o,A,(sBx)+MAXARG_sBx)
-
-#define luaK_setmultret(fs,e) luaK_setreturns(fs, e, LUA_MULTRET)
-
-#define luaK_jumpto(fs,t) luaK_patchlist(fs, luaK_jump(fs), t)
-
-LUAI_FUNC int luaK_codeABx (FuncState *fs, OpCode o, int A, unsigned int Bx);
-LUAI_FUNC int luaK_codeABC (FuncState *fs, OpCode o, int A, int B, int C);
-LUAI_FUNC int luaK_codek (FuncState *fs, int reg, int k);
-LUAI_FUNC void luaK_fixline (FuncState *fs, int line);
-LUAI_FUNC void luaK_nil (FuncState *fs, int from, int n);
-LUAI_FUNC void luaK_reserveregs (FuncState *fs, int n);
-LUAI_FUNC void luaK_checkstack (FuncState *fs, int n);
-LUAI_FUNC int luaK_stringK (FuncState *fs, TString *s);
-LUAI_FUNC int luaK_intK (FuncState *fs, lua_Integer n);
-LUAI_FUNC void luaK_dischargevars (FuncState *fs, expdesc *e);
-LUAI_FUNC int luaK_exp2anyreg (FuncState *fs, expdesc *e);
-LUAI_FUNC void luaK_exp2anyregup (FuncState *fs, expdesc *e);
-LUAI_FUNC void luaK_exp2nextreg (FuncState *fs, expdesc *e);
-LUAI_FUNC void luaK_exp2val (FuncState *fs, expdesc *e);
-LUAI_FUNC int luaK_exp2RK (FuncState *fs, expdesc *e);
-LUAI_FUNC void luaK_self (FuncState *fs, expdesc *e, expdesc *key);
-LUAI_FUNC void luaK_indexed (FuncState *fs, expdesc *t, expdesc *k);
-LUAI_FUNC void luaK_goiftrue (FuncState *fs, expdesc *e);
-LUAI_FUNC void luaK_goiffalse (FuncState *fs, expdesc *e);
-LUAI_FUNC void luaK_storevar (FuncState *fs, expdesc *var, expdesc *e);
-LUAI_FUNC void luaK_setreturns (FuncState *fs, expdesc *e, int nresults);
-LUAI_FUNC void luaK_setoneret (FuncState *fs, expdesc *e);
-LUAI_FUNC int luaK_jump (FuncState *fs);
-LUAI_FUNC void luaK_ret (FuncState *fs, int first, int nret);
-LUAI_FUNC void luaK_patchlist (FuncState *fs, int list, int target);
-LUAI_FUNC void luaK_patchtohere (FuncState *fs, int list);
-LUAI_FUNC void luaK_patchclose (FuncState *fs, int list, int level);
-LUAI_FUNC void luaK_concat (FuncState *fs, int *l1, int l2);
-LUAI_FUNC int luaK_getlabel (FuncState *fs);
-LUAI_FUNC void luaK_prefix (FuncState *fs, UnOpr op, expdesc *v, int line);
-LUAI_FUNC void luaK_infix (FuncState *fs, BinOpr op, expdesc *v);
-LUAI_FUNC void luaK_posfix (FuncState *fs, BinOpr op, expdesc *v1,
- expdesc *v2, int line);
-LUAI_FUNC void luaK_setlist (FuncState *fs, int base, int nelems, int tostore);
-
-
-#endif
diff --git a/Build/source/libs/lua53/lua53-src/src/lcorolib.c b/Build/source/libs/lua53/lua53-src/src/lcorolib.c
deleted file mode 100644
index 0b17af9e343..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/lcorolib.c
+++ /dev/null
@@ -1,168 +0,0 @@
-/*
-** $Id: lcorolib.c,v 1.10.1.1 2017/04/19 17:20:42 roberto Exp $
-** Coroutine Library
-** See Copyright Notice in lua.h
-*/
-
-#define lcorolib_c
-#define LUA_LIB
-
-#include "lprefix.h"
-
-
-#include <stdlib.h>
-
-#include "lua.h"
-
-#include "lauxlib.h"
-#include "lualib.h"
-
-
-static lua_State *getco (lua_State *L) {
- lua_State *co = lua_tothread(L, 1);
- luaL_argcheck(L, co, 1, "thread expected");
- return co;
-}
-
-
-static int auxresume (lua_State *L, lua_State *co, int narg) {
- int status;
- if (!lua_checkstack(co, narg)) {
- lua_pushliteral(L, "too many arguments to resume");
- return -1; /* error flag */
- }
- if (lua_status(co) == LUA_OK && lua_gettop(co) == 0) {
- lua_pushliteral(L, "cannot resume dead coroutine");
- return -1; /* error flag */
- }
- lua_xmove(L, co, narg);
- status = lua_resume(co, L, narg);
- if (status == LUA_OK || status == LUA_YIELD) {
- int nres = lua_gettop(co);
- if (!lua_checkstack(L, nres + 1)) {
- lua_pop(co, nres); /* remove results anyway */
- lua_pushliteral(L, "too many results to resume");
- return -1; /* error flag */
- }
- lua_xmove(co, L, nres); /* move yielded values */
- return nres;
- }
- else {
- lua_xmove(co, L, 1); /* move error message */
- return -1; /* error flag */
- }
-}
-
-
-static int luaB_coresume (lua_State *L) {
- lua_State *co = getco(L);
- int r;
- r = auxresume(L, co, lua_gettop(L) - 1);
- if (r < 0) {
- lua_pushboolean(L, 0);
- lua_insert(L, -2);
- return 2; /* return false + error message */
- }
- else {
- lua_pushboolean(L, 1);
- lua_insert(L, -(r + 1));
- return r + 1; /* return true + 'resume' returns */
- }
-}
-
-
-static int luaB_auxwrap (lua_State *L) {
- lua_State *co = lua_tothread(L, lua_upvalueindex(1));
- int r = auxresume(L, co, lua_gettop(L));
- if (r < 0) {
- if (lua_type(L, -1) == LUA_TSTRING) { /* error object is a string? */
- luaL_where(L, 1); /* add extra info */
- lua_insert(L, -2);
- lua_concat(L, 2);
- }
- return lua_error(L); /* propagate error */
- }
- return r;
-}
-
-
-static int luaB_cocreate (lua_State *L) {
- lua_State *NL;
- luaL_checktype(L, 1, LUA_TFUNCTION);
- NL = lua_newthread(L);
- lua_pushvalue(L, 1); /* move function to top */
- lua_xmove(L, NL, 1); /* move function from L to NL */
- return 1;
-}
-
-
-static int luaB_cowrap (lua_State *L) {
- luaB_cocreate(L);
- lua_pushcclosure(L, luaB_auxwrap, 1);
- return 1;
-}
-
-
-static int luaB_yield (lua_State *L) {
- return lua_yield(L, lua_gettop(L));
-}
-
-
-static int luaB_costatus (lua_State *L) {
- lua_State *co = getco(L);
- if (L == co) lua_pushliteral(L, "running");
- else {
- switch (lua_status(co)) {
- case LUA_YIELD:
- lua_pushliteral(L, "suspended");
- break;
- case LUA_OK: {
- lua_Debug ar;
- if (lua_getstack(co, 0, &ar) > 0) /* does it have frames? */
- lua_pushliteral(L, "normal"); /* it is running */
- else if (lua_gettop(co) == 0)
- lua_pushliteral(L, "dead");
- else
- lua_pushliteral(L, "suspended"); /* initial state */
- break;
- }
- default: /* some error occurred */
- lua_pushliteral(L, "dead");
- break;
- }
- }
- return 1;
-}
-
-
-static int luaB_yieldable (lua_State *L) {
- lua_pushboolean(L, lua_isyieldable(L));
- return 1;
-}
-
-
-static int luaB_corunning (lua_State *L) {
- int ismain = lua_pushthread(L);
- lua_pushboolean(L, ismain);
- return 2;
-}
-
-
-static const luaL_Reg co_funcs[] = {
- {"create", luaB_cocreate},
- {"resume", luaB_coresume},
- {"running", luaB_corunning},
- {"status", luaB_costatus},
- {"wrap", luaB_cowrap},
- {"yield", luaB_yield},
- {"isyieldable", luaB_yieldable},
- {NULL, NULL}
-};
-
-
-
-LUAMOD_API int luaopen_coroutine (lua_State *L) {
- luaL_newlib(L, co_funcs);
- return 1;
-}
-
diff --git a/Build/source/libs/lua53/lua53-src/src/lctype.c b/Build/source/libs/lua53/lua53-src/src/lctype.c
deleted file mode 100644
index f8ad7a2edf6..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/lctype.c
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
-** $Id: lctype.c,v 1.12.1.1 2017/04/19 17:20:42 roberto Exp $
-** 'ctype' functions for Lua
-** See Copyright Notice in lua.h
-*/
-
-#define lctype_c
-#define LUA_CORE
-
-#include "lprefix.h"
-
-
-#include "lctype.h"
-
-#if !LUA_USE_CTYPE /* { */
-
-#include <limits.h>
-
-LUAI_DDEF const lu_byte luai_ctype_[UCHAR_MAX + 2] = {
- 0x00, /* EOZ */
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0. */
- 0x00, 0x08, 0x08, 0x08, 0x08, 0x08, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 1. */
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x0c, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, /* 2. */
- 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04,
- 0x16, 0x16, 0x16, 0x16, 0x16, 0x16, 0x16, 0x16, /* 3. */
- 0x16, 0x16, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04,
- 0x04, 0x15, 0x15, 0x15, 0x15, 0x15, 0x15, 0x05, /* 4. */
- 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05,
- 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, /* 5. */
- 0x05, 0x05, 0x05, 0x04, 0x04, 0x04, 0x04, 0x05,
- 0x04, 0x15, 0x15, 0x15, 0x15, 0x15, 0x15, 0x05, /* 6. */
- 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05,
- 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, /* 7. */
- 0x05, 0x05, 0x05, 0x04, 0x04, 0x04, 0x04, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 8. */
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 9. */
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* a. */
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* b. */
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* c. */
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* d. */
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* e. */
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* f. */
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-};
-
-#endif /* } */
diff --git a/Build/source/libs/lua53/lua53-src/src/lctype.h b/Build/source/libs/lua53/lua53-src/src/lctype.h
deleted file mode 100644
index a963eb9015f..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/lctype.h
+++ /dev/null
@@ -1,99 +0,0 @@
-/*
-** $Id: lctype.h,v 1.12.1.1 2013/04/12 18:48:47 roberto Exp $
-** 'ctype' functions for Lua
-** See Copyright Notice in lua.h
-*/
-
-#ifndef lctype_h
-#define lctype_h
-
-#include <ctype.h>
-
-#include "lua.h"
-
-
-/*
-** WARNING: the functions defined here do not necessarily correspond
-** to the similar functions in the standard C ctype.h. They are
-** optimized for the specific needs of Lua
-*/
-
-#if !defined(LUA_USE_CTYPE)
-
-#if 'A' == 65 && '0' == 48
-/* ASCII case: can use its own tables; faster and fixed */
-#define LUA_USE_CTYPE 0
-#else
-/* must use standard C ctype */
-#define LUA_USE_CTYPE 1
-#endif
-
-#endif
-
-
-#if !LUA_USE_CTYPE /* { */
-
-#include <limits.h>
-
-#include "llimits.h"
-
-
-#define ALPHABIT 0
-#define DIGITBIT 1
-#define PRINTBIT 2
-#define SPACEBIT 3
-#define XDIGITBIT 4
-
-
-#define MASK(B) (1 << (B))
-
-
-/*
-** add 1 to char to allow index -1 (EOZ)
-*/
-#define testprop(c,p) (luai_ctype_[(c)+1] & (p))
-
-/*
-** 'lalpha' (Lua alphabetic) and 'lalnum' (Lua alphanumeric) both include '_'
-**
-** all utf-8 chars (greater than 0x7f) are always alphabetic
-*/
-#define lislalpha(c) (isalpha(c) || (c) == '_' || (c) > 0x7f)
-#define lislalnum(c) (isalnum(c) || (c) == '_' || (c) > 0x7f)
-#define lisdigit(c) testprop(c, MASK(DIGITBIT))
-#define lisspace(c) testprop(c, MASK(SPACEBIT))
-#define lisprint(c) testprop(c, MASK(PRINTBIT))
-#define lisxdigit(c) testprop(c, MASK(XDIGITBIT))
-
-/*
-** this 'ltolower' only works for alphabetic characters
-*/
-#define ltolower(c) ((c) | ('A' ^ 'a'))
-
-
-/* two more entries for 0 and -1 (EOZ) */
-LUAI_DDEC const lu_byte luai_ctype_[UCHAR_MAX + 2];
-
-
-#else /* }{ */
-
-/*
-** use standard C ctypes
-*/
-
-#include <ctype.h>
-
-
-#define lislalpha(c) (isalpha(c) || (c) == '_')
-#define lislalnum(c) (isalnum(c) || (c) == '_')
-#define lisdigit(c) (isdigit(c))
-#define lisspace(c) (isspace(c))
-#define lisprint(c) (isprint(c))
-#define lisxdigit(c) (isxdigit(c))
-
-#define ltolower(c) (tolower(c))
-
-#endif /* } */
-
-#endif
-
diff --git a/Build/source/libs/lua53/lua53-src/src/lctype.h.orig b/Build/source/libs/lua53/lua53-src/src/lctype.h.orig
deleted file mode 100644
index b09b21a337c..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/lctype.h.orig
+++ /dev/null
@@ -1,95 +0,0 @@
-/*
-** $Id: lctype.h,v 1.12.1.1 2013/04/12 18:48:47 roberto Exp $
-** 'ctype' functions for Lua
-** See Copyright Notice in lua.h
-*/
-
-#ifndef lctype_h
-#define lctype_h
-
-#include "lua.h"
-
-
-/*
-** WARNING: the functions defined here do not necessarily correspond
-** to the similar functions in the standard C ctype.h. They are
-** optimized for the specific needs of Lua
-*/
-
-#if !defined(LUA_USE_CTYPE)
-
-#if 'A' == 65 && '0' == 48
-/* ASCII case: can use its own tables; faster and fixed */
-#define LUA_USE_CTYPE 0
-#else
-/* must use standard C ctype */
-#define LUA_USE_CTYPE 1
-#endif
-
-#endif
-
-
-#if !LUA_USE_CTYPE /* { */
-
-#include <limits.h>
-
-#include "llimits.h"
-
-
-#define ALPHABIT 0
-#define DIGITBIT 1
-#define PRINTBIT 2
-#define SPACEBIT 3
-#define XDIGITBIT 4
-
-
-#define MASK(B) (1 << (B))
-
-
-/*
-** add 1 to char to allow index -1 (EOZ)
-*/
-#define testprop(c,p) (luai_ctype_[(c)+1] & (p))
-
-/*
-** 'lalpha' (Lua alphabetic) and 'lalnum' (Lua alphanumeric) both include '_'
-*/
-#define lislalpha(c) testprop(c, MASK(ALPHABIT))
-#define lislalnum(c) testprop(c, (MASK(ALPHABIT) | MASK(DIGITBIT)))
-#define lisdigit(c) testprop(c, MASK(DIGITBIT))
-#define lisspace(c) testprop(c, MASK(SPACEBIT))
-#define lisprint(c) testprop(c, MASK(PRINTBIT))
-#define lisxdigit(c) testprop(c, MASK(XDIGITBIT))
-
-/*
-** this 'ltolower' only works for alphabetic characters
-*/
-#define ltolower(c) ((c) | ('A' ^ 'a'))
-
-
-/* two more entries for 0 and -1 (EOZ) */
-LUAI_DDEC const lu_byte luai_ctype_[UCHAR_MAX + 2];
-
-
-#else /* }{ */
-
-/*
-** use standard C ctypes
-*/
-
-#include <ctype.h>
-
-
-#define lislalpha(c) (isalpha(c) || (c) == '_')
-#define lislalnum(c) (isalnum(c) || (c) == '_')
-#define lisdigit(c) (isdigit(c))
-#define lisspace(c) (isspace(c))
-#define lisprint(c) (isprint(c))
-#define lisxdigit(c) (isxdigit(c))
-
-#define ltolower(c) (tolower(c))
-
-#endif /* } */
-
-#endif
-
diff --git a/Build/source/libs/lua53/lua53-src/src/ldblib.c b/Build/source/libs/lua53/lua53-src/src/ldblib.c
deleted file mode 100644
index 9d29afb0a89..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/ldblib.c
+++ /dev/null
@@ -1,456 +0,0 @@
-/*
-** $Id: ldblib.c,v 1.151.1.1 2017/04/19 17:20:42 roberto Exp $
-** Interface from Lua to its debug API
-** See Copyright Notice in lua.h
-*/
-
-#define ldblib_c
-#define LUA_LIB
-
-#include "lprefix.h"
-
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "lua.h"
-
-#include "lauxlib.h"
-#include "lualib.h"
-
-
-/*
-** The hook table at registry[&HOOKKEY] maps threads to their current
-** hook function. (We only need the unique address of 'HOOKKEY'.)
-*/
-static const int HOOKKEY = 0;
-
-
-/*
-** If L1 != L, L1 can be in any state, and therefore there are no
-** guarantees about its stack space; any push in L1 must be
-** checked.
-*/
-static void checkstack (lua_State *L, lua_State *L1, int n) {
- if (L != L1 && !lua_checkstack(L1, n))
- luaL_error(L, "stack overflow");
-}
-
-
-static int db_getregistry (lua_State *L) {
- lua_pushvalue(L, LUA_REGISTRYINDEX);
- return 1;
-}
-
-
-static int db_getmetatable (lua_State *L) {
- luaL_checkany(L, 1);
- if (!lua_getmetatable(L, 1)) {
- lua_pushnil(L); /* no metatable */
- }
- return 1;
-}
-
-
-static int db_setmetatable (lua_State *L) {
- int t = lua_type(L, 2);
- luaL_argcheck(L, t == LUA_TNIL || t == LUA_TTABLE, 2,
- "nil or table expected");
- lua_settop(L, 2);
- lua_setmetatable(L, 1);
- return 1; /* return 1st argument */
-}
-
-
-static int db_getuservalue (lua_State *L) {
- if (lua_type(L, 1) != LUA_TUSERDATA)
- lua_pushnil(L);
- else
- lua_getuservalue(L, 1);
- return 1;
-}
-
-
-static int db_setuservalue (lua_State *L) {
- luaL_checktype(L, 1, LUA_TUSERDATA);
- luaL_checkany(L, 2);
- lua_settop(L, 2);
- lua_setuservalue(L, 1);
- return 1;
-}
-
-
-/*
-** Auxiliary function used by several library functions: check for
-** an optional thread as function's first argument and set 'arg' with
-** 1 if this argument is present (so that functions can skip it to
-** access their other arguments)
-*/
-static lua_State *getthread (lua_State *L, int *arg) {
- if (lua_isthread(L, 1)) {
- *arg = 1;
- return lua_tothread(L, 1);
- }
- else {
- *arg = 0;
- return L; /* function will operate over current thread */
- }
-}
-
-
-/*
-** Variations of 'lua_settable', used by 'db_getinfo' to put results
-** from 'lua_getinfo' into result table. Key is always a string;
-** value can be a string, an int, or a boolean.
-*/
-static void settabss (lua_State *L, const char *k, const char *v) {
- lua_pushstring(L, v);
- lua_setfield(L, -2, k);
-}
-
-static void settabsi (lua_State *L, const char *k, int v) {
- lua_pushinteger(L, v);
- lua_setfield(L, -2, k);
-}
-
-static void settabsb (lua_State *L, const char *k, int v) {
- lua_pushboolean(L, v);
- lua_setfield(L, -2, k);
-}
-
-
-/*
-** In function 'db_getinfo', the call to 'lua_getinfo' may push
-** results on the stack; later it creates the result table to put
-** these objects. Function 'treatstackoption' puts the result from
-** 'lua_getinfo' on top of the result table so that it can call
-** 'lua_setfield'.
-*/
-static void treatstackoption (lua_State *L, lua_State *L1, const char *fname) {
- if (L == L1)
- lua_rotate(L, -2, 1); /* exchange object and table */
- else
- lua_xmove(L1, L, 1); /* move object to the "main" stack */
- lua_setfield(L, -2, fname); /* put object into table */
-}
-
-
-/*
-** Calls 'lua_getinfo' and collects all results in a new table.
-** L1 needs stack space for an optional input (function) plus
-** two optional outputs (function and line table) from function
-** 'lua_getinfo'.
-*/
-static int db_getinfo (lua_State *L) {
- lua_Debug ar;
- int arg;
- lua_State *L1 = getthread(L, &arg);
- const char *options = luaL_optstring(L, arg+2, "flnStu");
- checkstack(L, L1, 3);
- if (lua_isfunction(L, arg + 1)) { /* info about a function? */
- options = lua_pushfstring(L, ">%s", options); /* add '>' to 'options' */
- lua_pushvalue(L, arg + 1); /* move function to 'L1' stack */
- lua_xmove(L, L1, 1);
- }
- else { /* stack level */
- if (!lua_getstack(L1, (int)luaL_checkinteger(L, arg + 1), &ar)) {
- lua_pushnil(L); /* level out of range */
- return 1;
- }
- }
- if (!lua_getinfo(L1, options, &ar))
- return luaL_argerror(L, arg+2, "invalid option");
- lua_newtable(L); /* table to collect results */
- if (strchr(options, 'S')) {
- settabss(L, "source", ar.source);
- settabss(L, "short_src", ar.short_src);
- settabsi(L, "linedefined", ar.linedefined);
- settabsi(L, "lastlinedefined", ar.lastlinedefined);
- settabss(L, "what", ar.what);
- }
- if (strchr(options, 'l'))
- settabsi(L, "currentline", ar.currentline);
- if (strchr(options, 'u')) {
- settabsi(L, "nups", ar.nups);
- settabsi(L, "nparams", ar.nparams);
- settabsb(L, "isvararg", ar.isvararg);
- }
- if (strchr(options, 'n')) {
- settabss(L, "name", ar.name);
- settabss(L, "namewhat", ar.namewhat);
- }
- if (strchr(options, 't'))
- settabsb(L, "istailcall", ar.istailcall);
- if (strchr(options, 'L'))
- treatstackoption(L, L1, "activelines");
- if (strchr(options, 'f'))
- treatstackoption(L, L1, "func");
- return 1; /* return table */
-}
-
-
-static int db_getlocal (lua_State *L) {
- int arg;
- lua_State *L1 = getthread(L, &arg);
- lua_Debug ar;
- const char *name;
- int nvar = (int)luaL_checkinteger(L, arg + 2); /* local-variable index */
- if (lua_isfunction(L, arg + 1)) { /* function argument? */
- lua_pushvalue(L, arg + 1); /* push function */
- lua_pushstring(L, lua_getlocal(L, NULL, nvar)); /* push local name */
- return 1; /* return only name (there is no value) */
- }
- else { /* stack-level argument */
- int level = (int)luaL_checkinteger(L, arg + 1);
- if (!lua_getstack(L1, level, &ar)) /* out of range? */
- return luaL_argerror(L, arg+1, "level out of range");
- checkstack(L, L1, 1);
- name = lua_getlocal(L1, &ar, nvar);
- if (name) {
- lua_xmove(L1, L, 1); /* move local value */
- lua_pushstring(L, name); /* push name */
- lua_rotate(L, -2, 1); /* re-order */
- return 2;
- }
- else {
- lua_pushnil(L); /* no name (nor value) */
- return 1;
- }
- }
-}
-
-
-static int db_setlocal (lua_State *L) {
- int arg;
- const char *name;
- lua_State *L1 = getthread(L, &arg);
- lua_Debug ar;
- int level = (int)luaL_checkinteger(L, arg + 1);
- int nvar = (int)luaL_checkinteger(L, arg + 2);
- if (!lua_getstack(L1, level, &ar)) /* out of range? */
- return luaL_argerror(L, arg+1, "level out of range");
- luaL_checkany(L, arg+3);
- lua_settop(L, arg+3);
- checkstack(L, L1, 1);
- lua_xmove(L, L1, 1);
- name = lua_setlocal(L1, &ar, nvar);
- if (name == NULL)
- lua_pop(L1, 1); /* pop value (if not popped by 'lua_setlocal') */
- lua_pushstring(L, name);
- return 1;
-}
-
-
-/*
-** get (if 'get' is true) or set an upvalue from a closure
-*/
-static int auxupvalue (lua_State *L, int get) {
- const char *name;
- int n = (int)luaL_checkinteger(L, 2); /* upvalue index */
- luaL_checktype(L, 1, LUA_TFUNCTION); /* closure */
- name = get ? lua_getupvalue(L, 1, n) : lua_setupvalue(L, 1, n);
- if (name == NULL) return 0;
- lua_pushstring(L, name);
- lua_insert(L, -(get+1)); /* no-op if get is false */
- return get + 1;
-}
-
-
-static int db_getupvalue (lua_State *L) {
- return auxupvalue(L, 1);
-}
-
-
-static int db_setupvalue (lua_State *L) {
- luaL_checkany(L, 3);
- return auxupvalue(L, 0);
-}
-
-
-/*
-** Check whether a given upvalue from a given closure exists and
-** returns its index
-*/
-static int checkupval (lua_State *L, int argf, int argnup) {
- int nup = (int)luaL_checkinteger(L, argnup); /* upvalue index */
- luaL_checktype(L, argf, LUA_TFUNCTION); /* closure */
- luaL_argcheck(L, (lua_getupvalue(L, argf, nup) != NULL), argnup,
- "invalid upvalue index");
- return nup;
-}
-
-
-static int db_upvalueid (lua_State *L) {
- int n = checkupval(L, 1, 2);
- lua_pushlightuserdata(L, lua_upvalueid(L, 1, n));
- return 1;
-}
-
-
-static int db_upvaluejoin (lua_State *L) {
- int n1 = checkupval(L, 1, 2);
- int n2 = checkupval(L, 3, 4);
- luaL_argcheck(L, !lua_iscfunction(L, 1), 1, "Lua function expected");
- luaL_argcheck(L, !lua_iscfunction(L, 3), 3, "Lua function expected");
- lua_upvaluejoin(L, 1, n1, 3, n2);
- return 0;
-}
-
-
-/*
-** Call hook function registered at hook table for the current
-** thread (if there is one)
-*/
-static void hookf (lua_State *L, lua_Debug *ar) {
- static const char *const hooknames[] =
- {"call", "return", "line", "count", "tail call"};
- lua_rawgetp(L, LUA_REGISTRYINDEX, &HOOKKEY);
- lua_pushthread(L);
- if (lua_rawget(L, -2) == LUA_TFUNCTION) { /* is there a hook function? */
- lua_pushstring(L, hooknames[(int)ar->event]); /* push event name */
- if (ar->currentline >= 0)
- lua_pushinteger(L, ar->currentline); /* push current line */
- else lua_pushnil(L);
- lua_assert(lua_getinfo(L, "lS", ar));
- lua_call(L, 2, 0); /* call hook function */
- }
-}
-
-
-/*
-** Convert a string mask (for 'sethook') into a bit mask
-*/
-static int makemask (const char *smask, int count) {
- int mask = 0;
- if (strchr(smask, 'c')) mask |= LUA_MASKCALL;
- if (strchr(smask, 'r')) mask |= LUA_MASKRET;
- if (strchr(smask, 'l')) mask |= LUA_MASKLINE;
- if (count > 0) mask |= LUA_MASKCOUNT;
- return mask;
-}
-
-
-/*
-** Convert a bit mask (for 'gethook') into a string mask
-*/
-static char *unmakemask (int mask, char *smask) {
- int i = 0;
- if (mask & LUA_MASKCALL) smask[i++] = 'c';
- if (mask & LUA_MASKRET) smask[i++] = 'r';
- if (mask & LUA_MASKLINE) smask[i++] = 'l';
- smask[i] = '\0';
- return smask;
-}
-
-
-static int db_sethook (lua_State *L) {
- int arg, mask, count;
- lua_Hook func;
- lua_State *L1 = getthread(L, &arg);
- if (lua_isnoneornil(L, arg+1)) { /* no hook? */
- lua_settop(L, arg+1);
- func = NULL; mask = 0; count = 0; /* turn off hooks */
- }
- else {
- const char *smask = luaL_checkstring(L, arg+2);
- luaL_checktype(L, arg+1, LUA_TFUNCTION);
- count = (int)luaL_optinteger(L, arg + 3, 0);
- func = hookf; mask = makemask(smask, count);
- }
- if (lua_rawgetp(L, LUA_REGISTRYINDEX, &HOOKKEY) == LUA_TNIL) {
- lua_createtable(L, 0, 2); /* create a hook table */
- lua_pushvalue(L, -1);
- lua_rawsetp(L, LUA_REGISTRYINDEX, &HOOKKEY); /* set it in position */
- lua_pushstring(L, "k");
- lua_setfield(L, -2, "__mode"); /** hooktable.__mode = "k" */
- lua_pushvalue(L, -1);
- lua_setmetatable(L, -2); /* setmetatable(hooktable) = hooktable */
- }
- checkstack(L, L1, 1);
- lua_pushthread(L1); lua_xmove(L1, L, 1); /* key (thread) */
- lua_pushvalue(L, arg + 1); /* value (hook function) */
- lua_rawset(L, -3); /* hooktable[L1] = new Lua hook */
- lua_sethook(L1, func, mask, count);
- return 0;
-}
-
-
-static int db_gethook (lua_State *L) {
- int arg;
- lua_State *L1 = getthread(L, &arg);
- char buff[5];
- int mask = lua_gethookmask(L1);
- lua_Hook hook = lua_gethook(L1);
- if (hook == NULL) /* no hook? */
- lua_pushnil(L);
- else if (hook != hookf) /* external hook? */
- lua_pushliteral(L, "external hook");
- else { /* hook table must exist */
- lua_rawgetp(L, LUA_REGISTRYINDEX, &HOOKKEY);
- checkstack(L, L1, 1);
- lua_pushthread(L1); lua_xmove(L1, L, 1);
- lua_rawget(L, -2); /* 1st result = hooktable[L1] */
- lua_remove(L, -2); /* remove hook table */
- }
- lua_pushstring(L, unmakemask(mask, buff)); /* 2nd result = mask */
- lua_pushinteger(L, lua_gethookcount(L1)); /* 3rd result = count */
- return 3;
-}
-
-
-static int db_debug (lua_State *L) {
- for (;;) {
- char buffer[250];
- lua_writestringerror("%s", "lua_debug> ");
- if (fgets(buffer, sizeof(buffer), stdin) == 0 ||
- strcmp(buffer, "cont\n") == 0)
- return 0;
- if (luaL_loadbuffer(L, buffer, strlen(buffer), "=(debug command)") ||
- lua_pcall(L, 0, 0, 0))
- lua_writestringerror("%s\n", lua_tostring(L, -1));
- lua_settop(L, 0); /* remove eventual returns */
- }
-}
-
-
-static int db_traceback (lua_State *L) {
- int arg;
- lua_State *L1 = getthread(L, &arg);
- const char *msg = lua_tostring(L, arg + 1);
- if (msg == NULL && !lua_isnoneornil(L, arg + 1)) /* non-string 'msg'? */
- lua_pushvalue(L, arg + 1); /* return it untouched */
- else {
- int level = (int)luaL_optinteger(L, arg + 2, (L == L1) ? 1 : 0);
- luaL_traceback(L, L1, msg, level);
- }
- return 1;
-}
-
-
-static const luaL_Reg dblib[] = {
- {"debug", db_debug},
- {"getuservalue", db_getuservalue},
- {"gethook", db_gethook},
- {"getinfo", db_getinfo},
- {"getlocal", db_getlocal},
- {"getregistry", db_getregistry},
- {"getmetatable", db_getmetatable},
- {"getupvalue", db_getupvalue},
- {"upvaluejoin", db_upvaluejoin},
- {"upvalueid", db_upvalueid},
- {"setuservalue", db_setuservalue},
- {"sethook", db_sethook},
- {"setlocal", db_setlocal},
- {"setmetatable", db_setmetatable},
- {"setupvalue", db_setupvalue},
- {"traceback", db_traceback},
- {NULL, NULL}
-};
-
-
-LUAMOD_API int luaopen_debug (lua_State *L) {
- luaL_newlib(L, dblib);
- return 1;
-}
-
diff --git a/Build/source/libs/lua53/lua53-src/src/ldebug.c b/Build/source/libs/lua53/lua53-src/src/ldebug.c
deleted file mode 100644
index bb0e1d4aced..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/ldebug.c
+++ /dev/null
@@ -1,700 +0,0 @@
-/*
-** $Id: ldebug.c,v 2.121.1.2 2017/07/10 17:21:50 roberto Exp $
-** Debug Interface
-** See Copyright Notice in lua.h
-*/
-
-#define ldebug_c
-#define LUA_CORE
-
-#include "lprefix.h"
-
-
-#include <stdarg.h>
-#include <stddef.h>
-#include <string.h>
-
-#include "lua.h"
-
-#include "lapi.h"
-#include "lcode.h"
-#include "ldebug.h"
-#include "ldo.h"
-#include "lfunc.h"
-#include "lobject.h"
-#include "lopcodes.h"
-#include "lstate.h"
-#include "lstring.h"
-#include "ltable.h"
-#include "ltm.h"
-#include "lvm.h"
-
-
-
-#define noLuaClosure(f) ((f) == NULL || (f)->c.tt == LUA_TCCL)
-
-
-/* Active Lua function (given call info) */
-#define ci_func(ci) (clLvalue((ci)->func))
-
-
-static const char *funcnamefromcode (lua_State *L, CallInfo *ci,
- const char **name);
-
-
-static int currentpc (CallInfo *ci) {
- lua_assert(isLua(ci));
- return pcRel(ci->u.l.savedpc, ci_func(ci)->p);
-}
-
-
-static int currentline (CallInfo *ci) {
- return getfuncline(ci_func(ci)->p, currentpc(ci));
-}
-
-
-/*
-** If function yielded, its 'func' can be in the 'extra' field. The
-** next function restores 'func' to its correct value for debugging
-** purposes. (It exchanges 'func' and 'extra'; so, when called again,
-** after debugging, it also "re-restores" ** 'func' to its altered value.
-*/
-static void swapextra (lua_State *L) {
- if (L->status == LUA_YIELD) {
- CallInfo *ci = L->ci; /* get function that yielded */
- StkId temp = ci->func; /* exchange its 'func' and 'extra' values */
- ci->func = restorestack(L, ci->extra);
- ci->extra = savestack(L, temp);
- }
-}
-
-
-/*
-** This function can be called asynchronously (e.g. during a signal).
-** Fields 'oldpc', 'basehookcount', and 'hookcount' (set by
-** 'resethookcount') are for debug only, and it is no problem if they
-** get arbitrary values (causes at most one wrong hook call). 'hookmask'
-** is an atomic value. We assume that pointers are atomic too (e.g., gcc
-** ensures that for all platforms where it runs). Moreover, 'hook' is
-** always checked before being called (see 'luaD_hook').
-*/
-LUA_API void lua_sethook (lua_State *L, lua_Hook func, int mask, int count) {
- if (func == NULL || mask == 0) { /* turn off hooks? */
- mask = 0;
- func = NULL;
- }
- if (isLua(L->ci))
- L->oldpc = L->ci->u.l.savedpc;
- L->hook = func;
- L->basehookcount = count;
- resethookcount(L);
- L->hookmask = cast_byte(mask);
-}
-
-
-LUA_API lua_Hook lua_gethook (lua_State *L) {
- return L->hook;
-}
-
-
-LUA_API int lua_gethookmask (lua_State *L) {
- return L->hookmask;
-}
-
-
-LUA_API int lua_gethookcount (lua_State *L) {
- return L->basehookcount;
-}
-
-
-LUA_API int lua_getstack (lua_State *L, int level, lua_Debug *ar) {
- int status;
- CallInfo *ci;
- if (level < 0) return 0; /* invalid (negative) level */
- lua_lock(L);
- for (ci = L->ci; level > 0 && ci != &L->base_ci; ci = ci->previous)
- level--;
- if (level == 0 && ci != &L->base_ci) { /* level found? */
- status = 1;
- ar->i_ci = ci;
- }
- else status = 0; /* no such level */
- lua_unlock(L);
- return status;
-}
-
-
-static const char *upvalname (Proto *p, int uv) {
- TString *s = check_exp(uv < p->sizeupvalues, p->upvalues[uv].name);
- if (s == NULL) return "?";
- else return getstr(s);
-}
-
-
-static const char *findvararg (CallInfo *ci, int n, StkId *pos) {
- int nparams = clLvalue(ci->func)->p->numparams;
- int nvararg = cast_int(ci->u.l.base - ci->func) - nparams;
- if (n <= -nvararg)
- return NULL; /* no such vararg */
- else {
- *pos = ci->func + nparams - n;
- return "(*vararg)"; /* generic name for any vararg */
- }
-}
-
-
-static const char *findlocal (lua_State *L, CallInfo *ci, int n,
- StkId *pos) {
- const char *name = NULL;
- StkId base;
- if (isLua(ci)) {
- if (n < 0) /* access to vararg values? */
- return findvararg(ci, n, pos);
- else {
- base = ci->u.l.base;
- name = luaF_getlocalname(ci_func(ci)->p, n, currentpc(ci));
- }
- }
- else
- base = ci->func + 1;
- if (name == NULL) { /* no 'standard' name? */
- StkId limit = (ci == L->ci) ? L->top : ci->next->func;
- if (limit - base >= n && n > 0) /* is 'n' inside 'ci' stack? */
- name = "(*temporary)"; /* generic name for any valid slot */
- else
- return NULL; /* no name */
- }
- *pos = base + (n - 1);
- return name;
-}
-
-
-LUA_API const char *lua_getlocal (lua_State *L, const lua_Debug *ar, int n) {
- const char *name;
- lua_lock(L);
- swapextra(L);
- if (ar == NULL) { /* information about non-active function? */
- if (!isLfunction(L->top - 1)) /* not a Lua function? */
- name = NULL;
- else /* consider live variables at function start (parameters) */
- name = luaF_getlocalname(clLvalue(L->top - 1)->p, n, 0);
- }
- else { /* active function; get information through 'ar' */
- StkId pos = NULL; /* to avoid warnings */
- name = findlocal(L, ar->i_ci, n, &pos);
- if (name) {
- setobj2s(L, L->top, pos);
- api_incr_top(L);
- }
- }
- swapextra(L);
- lua_unlock(L);
- return name;
-}
-
-
-LUA_API const char *lua_setlocal (lua_State *L, const lua_Debug *ar, int n) {
- StkId pos = NULL; /* to avoid warnings */
- const char *name;
- lua_lock(L);
- swapextra(L);
- name = findlocal(L, ar->i_ci, n, &pos);
- if (name) {
- setobjs2s(L, pos, L->top - 1);
- L->top--; /* pop value */
- }
- swapextra(L);
- lua_unlock(L);
- return name;
-}
-
-
-static void funcinfo (lua_Debug *ar, Closure *cl) {
- if (noLuaClosure(cl)) {
- ar->source = "=[C]";
- ar->linedefined = -1;
- ar->lastlinedefined = -1;
- ar->what = "C";
- }
- else {
- Proto *p = cl->l.p;
- ar->source = p->source ? getstr(p->source) : "=?";
- ar->linedefined = p->linedefined;
- ar->lastlinedefined = p->lastlinedefined;
- ar->what = (ar->linedefined == 0) ? "main" : "Lua";
- }
- luaO_chunkid(ar->short_src, ar->source, LUA_IDSIZE);
-}
-
-
-static void collectvalidlines (lua_State *L, Closure *f) {
- if (noLuaClosure(f)) {
- setnilvalue(L->top);
- api_incr_top(L);
- }
- else {
- int i;
- TValue v;
- int *lineinfo = f->l.p->lineinfo;
- Table *t = luaH_new(L); /* new table to store active lines */
- sethvalue(L, L->top, t); /* push it on stack */
- api_incr_top(L);
- setbvalue(&v, 1); /* boolean 'true' to be the value of all indices */
- for (i = 0; i < f->l.p->sizelineinfo; i++) /* for all lines with code */
- luaH_setint(L, t, lineinfo[i], &v); /* table[line] = true */
- }
-}
-
-
-static const char *getfuncname (lua_State *L, CallInfo *ci, const char **name) {
- if (ci == NULL) /* no 'ci'? */
- return NULL; /* no info */
- else if (ci->callstatus & CIST_FIN) { /* is this a finalizer? */
- *name = "__gc";
- return "metamethod"; /* report it as such */
- }
- /* calling function is a known Lua function? */
- else if (!(ci->callstatus & CIST_TAIL) && isLua(ci->previous))
- return funcnamefromcode(L, ci->previous, name);
- else return NULL; /* no way to find a name */
-}
-
-
-static int auxgetinfo (lua_State *L, const char *what, lua_Debug *ar,
- Closure *f, CallInfo *ci) {
- int status = 1;
- for (; *what; what++) {
- switch (*what) {
- case 'S': {
- funcinfo(ar, f);
- break;
- }
- case 'l': {
- ar->currentline = (ci && isLua(ci)) ? currentline(ci) : -1;
- break;
- }
- case 'u': {
- ar->nups = (f == NULL) ? 0 : f->c.nupvalues;
- if (noLuaClosure(f)) {
- ar->isvararg = 1;
- ar->nparams = 0;
- }
- else {
- ar->isvararg = f->l.p->is_vararg;
- ar->nparams = f->l.p->numparams;
- }
- break;
- }
- case 't': {
- ar->istailcall = (ci) ? ci->callstatus & CIST_TAIL : 0;
- break;
- }
- case 'n': {
- ar->namewhat = getfuncname(L, ci, &ar->name);
- if (ar->namewhat == NULL) {
- ar->namewhat = ""; /* not found */
- ar->name = NULL;
- }
- break;
- }
- case 'L':
- case 'f': /* handled by lua_getinfo */
- break;
- default: status = 0; /* invalid option */
- }
- }
- return status;
-}
-
-
-LUA_API int lua_getinfo (lua_State *L, const char *what, lua_Debug *ar) {
- int status;
- Closure *cl;
- CallInfo *ci;
- StkId func;
- lua_lock(L);
- swapextra(L);
- if (*what == '>') {
- ci = NULL;
- func = L->top - 1;
- api_check(L, ttisfunction(func), "function expected");
- what++; /* skip the '>' */
- L->top--; /* pop function */
- }
- else {
- ci = ar->i_ci;
- func = ci->func;
- lua_assert(ttisfunction(ci->func));
- }
- cl = ttisclosure(func) ? clvalue(func) : NULL;
- status = auxgetinfo(L, what, ar, cl, ci);
- if (strchr(what, 'f')) {
- setobjs2s(L, L->top, func);
- api_incr_top(L);
- }
- swapextra(L); /* correct before option 'L', which can raise a mem. error */
- if (strchr(what, 'L'))
- collectvalidlines(L, cl);
- lua_unlock(L);
- return status;
-}
-
-
-/*
-** {======================================================
-** Symbolic Execution
-** =======================================================
-*/
-
-static const char *getobjname (Proto *p, int lastpc, int reg,
- const char **name);
-
-
-/*
-** find a "name" for the RK value 'c'
-*/
-static void kname (Proto *p, int pc, int c, const char **name) {
- if (ISK(c)) { /* is 'c' a constant? */
- TValue *kvalue = &p->k[INDEXK(c)];
- if (ttisstring(kvalue)) { /* literal constant? */
- *name = svalue(kvalue); /* it is its own name */
- return;
- }
- /* else no reasonable name found */
- }
- else { /* 'c' is a register */
- const char *what = getobjname(p, pc, c, name); /* search for 'c' */
- if (what && *what == 'c') { /* found a constant name? */
- return; /* 'name' already filled */
- }
- /* else no reasonable name found */
- }
- *name = "?"; /* no reasonable name found */
-}
-
-
-static int filterpc (int pc, int jmptarget) {
- if (pc < jmptarget) /* is code conditional (inside a jump)? */
- return -1; /* cannot know who sets that register */
- else return pc; /* current position sets that register */
-}
-
-
-/*
-** try to find last instruction before 'lastpc' that modified register 'reg'
-*/
-static int findsetreg (Proto *p, int lastpc, int reg) {
- int pc;
- int setreg = -1; /* keep last instruction that changed 'reg' */
- int jmptarget = 0; /* any code before this address is conditional */
- for (pc = 0; pc < lastpc; pc++) {
- Instruction i = p->code[pc];
- OpCode op = GET_OPCODE(i);
- int a = GETARG_A(i);
- switch (op) {
- case OP_LOADNIL: {
- int b = GETARG_B(i);
- if (a <= reg && reg <= a + b) /* set registers from 'a' to 'a+b' */
- setreg = filterpc(pc, jmptarget);
- break;
- }
- case OP_TFORCALL: {
- if (reg >= a + 2) /* affect all regs above its base */
- setreg = filterpc(pc, jmptarget);
- break;
- }
- case OP_CALL:
- case OP_TAILCALL: {
- if (reg >= a) /* affect all registers above base */
- setreg = filterpc(pc, jmptarget);
- break;
- }
- case OP_JMP: {
- int b = GETARG_sBx(i);
- int dest = pc + 1 + b;
- /* jump is forward and do not skip 'lastpc'? */
- if (pc < dest && dest <= lastpc) {
- if (dest > jmptarget)
- jmptarget = dest; /* update 'jmptarget' */
- }
- break;
- }
- default:
- if (testAMode(op) && reg == a) /* any instruction that set A */
- setreg = filterpc(pc, jmptarget);
- break;
- }
- }
- return setreg;
-}
-
-
-static const char *getobjname (Proto *p, int lastpc, int reg,
- const char **name) {
- int pc;
- *name = luaF_getlocalname(p, reg + 1, lastpc);
- if (*name) /* is a local? */
- return "local";
- /* else try symbolic execution */
- pc = findsetreg(p, lastpc, reg);
- if (pc != -1) { /* could find instruction? */
- Instruction i = p->code[pc];
- OpCode op = GET_OPCODE(i);
- switch (op) {
- case OP_MOVE: {
- int b = GETARG_B(i); /* move from 'b' to 'a' */
- if (b < GETARG_A(i))
- return getobjname(p, pc, b, name); /* get name for 'b' */
- break;
- }
- case OP_GETTABUP:
- case OP_GETTABLE: {
- int k = GETARG_C(i); /* key index */
- int t = GETARG_B(i); /* table index */
- const char *vn = (op == OP_GETTABLE) /* name of indexed variable */
- ? luaF_getlocalname(p, t + 1, pc)
- : upvalname(p, t);
- kname(p, pc, k, name);
- return (vn && strcmp(vn, LUA_ENV) == 0) ? "global" : "field";
- }
- case OP_GETUPVAL: {
- *name = upvalname(p, GETARG_B(i));
- return "upvalue";
- }
- case OP_LOADK:
- case OP_LOADKX: {
- int b = (op == OP_LOADK) ? GETARG_Bx(i)
- : GETARG_Ax(p->code[pc + 1]);
- if (ttisstring(&p->k[b])) {
- *name = svalue(&p->k[b]);
- return "constant";
- }
- break;
- }
- case OP_SELF: {
- int k = GETARG_C(i); /* key index */
- kname(p, pc, k, name);
- return "method";
- }
- default: break; /* go through to return NULL */
- }
- }
- return NULL; /* could not find reasonable name */
-}
-
-
-/*
-** Try to find a name for a function based on the code that called it.
-** (Only works when function was called by a Lua function.)
-** Returns what the name is (e.g., "for iterator", "method",
-** "metamethod") and sets '*name' to point to the name.
-*/
-static const char *funcnamefromcode (lua_State *L, CallInfo *ci,
- const char **name) {
- TMS tm = (TMS)0; /* (initial value avoids warnings) */
- Proto *p = ci_func(ci)->p; /* calling function */
- int pc = currentpc(ci); /* calling instruction index */
- Instruction i = p->code[pc]; /* calling instruction */
- if (ci->callstatus & CIST_HOOKED) { /* was it called inside a hook? */
- *name = "?";
- return "hook";
- }
- switch (GET_OPCODE(i)) {
- case OP_CALL:
- case OP_TAILCALL:
- return getobjname(p, pc, GETARG_A(i), name); /* get function name */
- case OP_TFORCALL: { /* for iterator */
- *name = "for iterator";
- return "for iterator";
- }
- /* other instructions can do calls through metamethods */
- case OP_SELF: case OP_GETTABUP: case OP_GETTABLE:
- tm = TM_INDEX;
- break;
- case OP_SETTABUP: case OP_SETTABLE:
- tm = TM_NEWINDEX;
- break;
- case OP_ADD: case OP_SUB: case OP_MUL: case OP_MOD:
- case OP_POW: case OP_DIV: case OP_IDIV: case OP_BAND:
- case OP_BOR: case OP_BXOR: case OP_SHL: case OP_SHR: {
- int offset = cast_int(GET_OPCODE(i)) - cast_int(OP_ADD); /* ORDER OP */
- tm = cast(TMS, offset + cast_int(TM_ADD)); /* ORDER TM */
- break;
- }
- case OP_UNM: tm = TM_UNM; break;
- case OP_BNOT: tm = TM_BNOT; break;
- case OP_LEN: tm = TM_LEN; break;
- case OP_CONCAT: tm = TM_CONCAT; break;
- case OP_EQ: tm = TM_EQ; break;
- case OP_LT: tm = TM_LT; break;
- case OP_LE: tm = TM_LE; break;
- default:
- return NULL; /* cannot find a reasonable name */
- }
- *name = getstr(G(L)->tmname[tm]);
- return "metamethod";
-}
-
-/* }====================================================== */
-
-
-
-/*
-** The subtraction of two potentially unrelated pointers is
-** not ISO C, but it should not crash a program; the subsequent
-** checks are ISO C and ensure a correct result.
-*/
-static int isinstack (CallInfo *ci, const TValue *o) {
- ptrdiff_t i = o - ci->u.l.base;
- return (0 <= i && i < (ci->top - ci->u.l.base) && ci->u.l.base + i == o);
-}
-
-
-/*
-** Checks whether value 'o' came from an upvalue. (That can only happen
-** with instructions OP_GETTABUP/OP_SETTABUP, which operate directly on
-** upvalues.)
-*/
-static const char *getupvalname (CallInfo *ci, const TValue *o,
- const char **name) {
- LClosure *c = ci_func(ci);
- int i;
- for (i = 0; i < c->nupvalues; i++) {
- if (c->upvals[i]->v == o) {
- *name = upvalname(c->p, i);
- return "upvalue";
- }
- }
- return NULL;
-}
-
-
-static const char *varinfo (lua_State *L, const TValue *o) {
- const char *name = NULL; /* to avoid warnings */
- CallInfo *ci = L->ci;
- const char *kind = NULL;
- if (isLua(ci)) {
- kind = getupvalname(ci, o, &name); /* check whether 'o' is an upvalue */
- if (!kind && isinstack(ci, o)) /* no? try a register */
- kind = getobjname(ci_func(ci)->p, currentpc(ci),
- cast_int(o - ci->u.l.base), &name);
- }
- return (kind) ? luaO_pushfstring(L, " (%s '%s')", kind, name) : "";
-}
-
-
-l_noret luaG_typeerror (lua_State *L, const TValue *o, const char *op) {
- const char *t = luaT_objtypename(L, o);
- luaG_runerror(L, "attempt to %s a %s value%s", op, t, varinfo(L, o));
-}
-
-
-l_noret luaG_concaterror (lua_State *L, const TValue *p1, const TValue *p2) {
- if (ttisstring(p1) || cvt2str(p1)) p1 = p2;
- luaG_typeerror(L, p1, "concatenate");
-}
-
-
-l_noret luaG_opinterror (lua_State *L, const TValue *p1,
- const TValue *p2, const char *msg) {
- lua_Number temp;
- if (!tonumber(p1, &temp)) /* first operand is wrong? */
- p2 = p1; /* now second is wrong */
- luaG_typeerror(L, p2, msg);
-}
-
-
-/*
-** Error when both values are convertible to numbers, but not to integers
-*/
-l_noret luaG_tointerror (lua_State *L, const TValue *p1, const TValue *p2) {
- lua_Integer temp;
- if (!tointeger(p1, &temp))
- p2 = p1;
- luaG_runerror(L, "number%s has no integer representation", varinfo(L, p2));
-}
-
-
-l_noret luaG_ordererror (lua_State *L, const TValue *p1, const TValue *p2) {
- const char *t1 = luaT_objtypename(L, p1);
- const char *t2 = luaT_objtypename(L, p2);
- if (strcmp(t1, t2) == 0)
- luaG_runerror(L, "attempt to compare two %s values", t1);
- else
- luaG_runerror(L, "attempt to compare %s with %s", t1, t2);
-}
-
-
-/* add src:line information to 'msg' */
-const char *luaG_addinfo (lua_State *L, const char *msg, TString *src,
- int line) {
- char buff[LUA_IDSIZE];
- if (src)
- luaO_chunkid(buff, getstr(src), LUA_IDSIZE);
- else { /* no source available; use "?" instead */
- buff[0] = '?'; buff[1] = '\0';
- }
- return luaO_pushfstring(L, "%s:%d: %s", buff, line, msg);
-}
-
-
-l_noret luaG_errormsg (lua_State *L) {
- if (L->errfunc != 0) { /* is there an error handling function? */
- StkId errfunc = restorestack(L, L->errfunc);
- setobjs2s(L, L->top, L->top - 1); /* move argument */
- setobjs2s(L, L->top - 1, errfunc); /* push function */
- L->top++; /* assume EXTRA_STACK */
- luaD_callnoyield(L, L->top - 2, 1); /* call it */
- }
- luaD_throw(L, LUA_ERRRUN);
-}
-
-
-l_noret luaG_runerror (lua_State *L, const char *fmt, ...) {
- CallInfo *ci = L->ci;
- const char *msg;
- va_list argp;
- luaC_checkGC(L); /* error message uses memory */
- va_start(argp, fmt);
- msg = luaO_pushvfstring(L, fmt, argp); /* format message */
- va_end(argp);
- if (isLua(ci)) /* if Lua function, add source:line information */
- luaG_addinfo(L, msg, ci_func(ci)->p->source, currentline(ci));
- luaG_errormsg(L);
-}
-
-
-void luaG_traceexec (lua_State *L) {
- CallInfo *ci = L->ci;
- lu_byte mask = L->hookmask;
- int counthook = (--L->hookcount == 0 && (mask & LUA_MASKCOUNT));
- if (counthook)
- resethookcount(L); /* reset count */
- else if (!(mask & LUA_MASKLINE))
- return; /* no line hook and count != 0; nothing to be done */
- if (ci->callstatus & CIST_HOOKYIELD) { /* called hook last time? */
- ci->callstatus &= ~CIST_HOOKYIELD; /* erase mark */
- return; /* do not call hook again (VM yielded, so it did not move) */
- }
- if (counthook)
- luaD_hook(L, LUA_HOOKCOUNT, -1); /* call count hook */
- if (mask & LUA_MASKLINE) {
- Proto *p = ci_func(ci)->p;
- int npc = pcRel(ci->u.l.savedpc, p);
- int newline = getfuncline(p, npc);
- if (npc == 0 || /* call linehook when enter a new function, */
- ci->u.l.savedpc <= L->oldpc || /* when jump back (loop), or when */
- newline != getfuncline(p, pcRel(L->oldpc, p))) /* enter a new line */
- luaD_hook(L, LUA_HOOKLINE, newline); /* call line hook */
- }
- L->oldpc = ci->u.l.savedpc;
- if (L->status == LUA_YIELD) { /* did hook yield? */
- if (counthook)
- L->hookcount = 1; /* undo decrement to zero */
- ci->u.l.savedpc--; /* undo increment (resume will increment it again) */
- ci->callstatus |= CIST_HOOKYIELD; /* mark that it yielded */
- ci->func = L->top - 1; /* protect stack below results */
- luaD_throw(L, LUA_YIELD);
- }
-}
-
diff --git a/Build/source/libs/lua53/lua53-src/src/ldebug.h b/Build/source/libs/lua53/lua53-src/src/ldebug.h
deleted file mode 100644
index 8cea0ee0a72..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/ldebug.h
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
-** $Id: ldebug.h,v 2.14.1.1 2017/04/19 17:20:42 roberto Exp $
-** Auxiliary functions from Debug Interface module
-** See Copyright Notice in lua.h
-*/
-
-#ifndef ldebug_h
-#define ldebug_h
-
-
-#include "lstate.h"
-
-
-#define pcRel(pc, p) (cast(int, (pc) - (p)->code) - 1)
-
-#define getfuncline(f,pc) (((f)->lineinfo) ? (f)->lineinfo[pc] : -1)
-
-#define resethookcount(L) (L->hookcount = L->basehookcount)
-
-
-LUAI_FUNC l_noret luaG_typeerror (lua_State *L, const TValue *o,
- const char *opname);
-LUAI_FUNC l_noret luaG_concaterror (lua_State *L, const TValue *p1,
- const TValue *p2);
-LUAI_FUNC l_noret luaG_opinterror (lua_State *L, const TValue *p1,
- const TValue *p2,
- const char *msg);
-LUAI_FUNC l_noret luaG_tointerror (lua_State *L, const TValue *p1,
- const TValue *p2);
-LUAI_FUNC l_noret luaG_ordererror (lua_State *L, const TValue *p1,
- const TValue *p2);
-LUAI_FUNC l_noret luaG_runerror (lua_State *L, const char *fmt, ...);
-LUAI_FUNC const char *luaG_addinfo (lua_State *L, const char *msg,
- TString *src, int line);
-LUAI_FUNC l_noret luaG_errormsg (lua_State *L);
-LUAI_FUNC void luaG_traceexec (lua_State *L);
-
-
-#endif
diff --git a/Build/source/libs/lua53/lua53-src/src/ldo.c b/Build/source/libs/lua53/lua53-src/src/ldo.c
deleted file mode 100644
index 316e45c8fec..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/ldo.c
+++ /dev/null
@@ -1,802 +0,0 @@
-/*
-** $Id: ldo.c,v 2.157.1.1 2017/04/19 17:20:42 roberto Exp $
-** Stack and Call structure of Lua
-** See Copyright Notice in lua.h
-*/
-
-#define ldo_c
-#define LUA_CORE
-
-#include "lprefix.h"
-
-
-#include <setjmp.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "lua.h"
-
-#include "lapi.h"
-#include "ldebug.h"
-#include "ldo.h"
-#include "lfunc.h"
-#include "lgc.h"
-#include "lmem.h"
-#include "lobject.h"
-#include "lopcodes.h"
-#include "lparser.h"
-#include "lstate.h"
-#include "lstring.h"
-#include "ltable.h"
-#include "ltm.h"
-#include "lundump.h"
-#include "lvm.h"
-#include "lzio.h"
-
-
-
-#define errorstatus(s) ((s) > LUA_YIELD)
-
-
-/*
-** {======================================================
-** Error-recovery functions
-** =======================================================
-*/
-
-/*
-** LUAI_THROW/LUAI_TRY define how Lua does exception handling. By
-** default, Lua handles errors with exceptions when compiling as
-** C++ code, with _longjmp/_setjmp when asked to use them, and with
-** longjmp/setjmp otherwise.
-*/
-#if !defined(LUAI_THROW) /* { */
-
-#if defined(__cplusplus) && !defined(LUA_USE_LONGJMP) /* { */
-
-/* C++ exceptions */
-#define LUAI_THROW(L,c) throw(c)
-#define LUAI_TRY(L,c,a) \
- try { a } catch(...) { if ((c)->status == 0) (c)->status = -1; }
-#define luai_jmpbuf int /* dummy variable */
-
-#elif defined(LUA_USE_POSIX) /* }{ */
-
-/* in POSIX, try _longjmp/_setjmp (more efficient) */
-#define LUAI_THROW(L,c) _longjmp((c)->b, 1)
-#define LUAI_TRY(L,c,a) if (_setjmp((c)->b) == 0) { a }
-#define luai_jmpbuf jmp_buf
-
-#else /* }{ */
-
-/* ISO C handling with long jumps */
-#define LUAI_THROW(L,c) longjmp((c)->b, 1)
-#define LUAI_TRY(L,c,a) if (setjmp((c)->b) == 0) { a }
-#define luai_jmpbuf jmp_buf
-
-#endif /* } */
-
-#endif /* } */
-
-
-
-/* chain list of long jump buffers */
-struct lua_longjmp {
- struct lua_longjmp *previous;
- luai_jmpbuf b;
- volatile int status; /* error code */
-};
-
-
-static void seterrorobj (lua_State *L, int errcode, StkId oldtop) {
- switch (errcode) {
- case LUA_ERRMEM: { /* memory error? */
- setsvalue2s(L, oldtop, G(L)->memerrmsg); /* reuse preregistered msg. */
- break;
- }
- case LUA_ERRERR: {
- setsvalue2s(L, oldtop, luaS_newliteral(L, "error in error handling"));
- break;
- }
- default: {
- setobjs2s(L, oldtop, L->top - 1); /* error message on current top */
- break;
- }
- }
- L->top = oldtop + 1;
-}
-
-
-l_noret luaD_throw (lua_State *L, int errcode) {
- if (L->errorJmp) { /* thread has an error handler? */
- L->errorJmp->status = errcode; /* set status */
- LUAI_THROW(L, L->errorJmp); /* jump to it */
- }
- else { /* thread has no error handler */
- global_State *g = G(L);
- L->status = cast_byte(errcode); /* mark it as dead */
- if (g->mainthread->errorJmp) { /* main thread has a handler? */
- setobjs2s(L, g->mainthread->top++, L->top - 1); /* copy error obj. */
- luaD_throw(g->mainthread, errcode); /* re-throw in main thread */
- }
- else { /* no handler at all; abort */
- if (g->panic) { /* panic function? */
- seterrorobj(L, errcode, L->top); /* assume EXTRA_STACK */
- if (L->ci->top < L->top)
- L->ci->top = L->top; /* pushing msg. can break this invariant */
- lua_unlock(L);
- g->panic(L); /* call panic function (last chance to jump out) */
- }
- abort();
- }
- }
-}
-
-
-int luaD_rawrunprotected (lua_State *L, Pfunc f, void *ud) {
- unsigned short oldnCcalls = L->nCcalls;
- struct lua_longjmp lj;
- lj.status = LUA_OK;
- lj.previous = L->errorJmp; /* chain new error handler */
- L->errorJmp = &lj;
- LUAI_TRY(L, &lj,
- (*f)(L, ud);
- );
- L->errorJmp = lj.previous; /* restore old error handler */
- L->nCcalls = oldnCcalls;
- return lj.status;
-}
-
-/* }====================================================== */
-
-
-/*
-** {==================================================================
-** Stack reallocation
-** ===================================================================
-*/
-static void correctstack (lua_State *L, TValue *oldstack) {
- CallInfo *ci;
- UpVal *up;
- L->top = (L->top - oldstack) + L->stack;
- for (up = L->openupval; up != NULL; up = up->u.open.next)
- up->v = (up->v - oldstack) + L->stack;
- for (ci = L->ci; ci != NULL; ci = ci->previous) {
- ci->top = (ci->top - oldstack) + L->stack;
- ci->func = (ci->func - oldstack) + L->stack;
- if (isLua(ci))
- ci->u.l.base = (ci->u.l.base - oldstack) + L->stack;
- }
-}
-
-
-/* some space for error handling */
-#define ERRORSTACKSIZE (LUAI_MAXSTACK + 200)
-
-
-void luaD_reallocstack (lua_State *L, int newsize) {
- TValue *oldstack = L->stack;
- int lim = L->stacksize;
- lua_assert(newsize <= LUAI_MAXSTACK || newsize == ERRORSTACKSIZE);
- lua_assert(L->stack_last - L->stack == L->stacksize - EXTRA_STACK);
- luaM_reallocvector(L, L->stack, L->stacksize, newsize, TValue);
- for (; lim < newsize; lim++)
- setnilvalue(L->stack + lim); /* erase new segment */
- L->stacksize = newsize;
- L->stack_last = L->stack + newsize - EXTRA_STACK;
- correctstack(L, oldstack);
-}
-
-
-void luaD_growstack (lua_State *L, int n) {
- int size = L->stacksize;
- if (size > LUAI_MAXSTACK) /* error after extra size? */
- luaD_throw(L, LUA_ERRERR);
- else {
- int needed = cast_int(L->top - L->stack) + n + EXTRA_STACK;
- int newsize = 2 * size;
- if (newsize > LUAI_MAXSTACK) newsize = LUAI_MAXSTACK;
- if (newsize < needed) newsize = needed;
- if (newsize > LUAI_MAXSTACK) { /* stack overflow? */
- luaD_reallocstack(L, ERRORSTACKSIZE);
- luaG_runerror(L, "stack overflow");
- }
- else
- luaD_reallocstack(L, newsize);
- }
-}
-
-
-static int stackinuse (lua_State *L) {
- CallInfo *ci;
- StkId lim = L->top;
- for (ci = L->ci; ci != NULL; ci = ci->previous) {
- if (lim < ci->top) lim = ci->top;
- }
- lua_assert(lim <= L->stack_last);
- return cast_int(lim - L->stack) + 1; /* part of stack in use */
-}
-
-
-void luaD_shrinkstack (lua_State *L) {
- int inuse = stackinuse(L);
- int goodsize = inuse + (inuse / 8) + 2*EXTRA_STACK;
- if (goodsize > LUAI_MAXSTACK)
- goodsize = LUAI_MAXSTACK; /* respect stack limit */
- if (L->stacksize > LUAI_MAXSTACK) /* had been handling stack overflow? */
- luaE_freeCI(L); /* free all CIs (list grew because of an error) */
- else
- luaE_shrinkCI(L); /* shrink list */
- /* if thread is currently not handling a stack overflow and its
- good size is smaller than current size, shrink its stack */
- if (inuse <= (LUAI_MAXSTACK - EXTRA_STACK) &&
- goodsize < L->stacksize)
- luaD_reallocstack(L, goodsize);
- else /* don't change stack */
- condmovestack(L,{},{}); /* (change only for debugging) */
-}
-
-
-void luaD_inctop (lua_State *L) {
- luaD_checkstack(L, 1);
- L->top++;
-}
-
-/* }================================================================== */
-
-
-/*
-** Call a hook for the given event. Make sure there is a hook to be
-** called. (Both 'L->hook' and 'L->hookmask', which triggers this
-** function, can be changed asynchronously by signals.)
-*/
-void luaD_hook (lua_State *L, int event, int line) {
- lua_Hook hook = L->hook;
- if (hook && L->allowhook) { /* make sure there is a hook */
- CallInfo *ci = L->ci;
- ptrdiff_t top = savestack(L, L->top);
- ptrdiff_t ci_top = savestack(L, ci->top);
- lua_Debug ar;
- ar.event = event;
- ar.currentline = line;
- ar.i_ci = ci;
- luaD_checkstack(L, LUA_MINSTACK); /* ensure minimum stack size */
- ci->top = L->top + LUA_MINSTACK;
- lua_assert(ci->top <= L->stack_last);
- L->allowhook = 0; /* cannot call hooks inside a hook */
- ci->callstatus |= CIST_HOOKED;
- lua_unlock(L);
- (*hook)(L, &ar);
- lua_lock(L);
- lua_assert(!L->allowhook);
- L->allowhook = 1;
- ci->top = restorestack(L, ci_top);
- L->top = restorestack(L, top);
- ci->callstatus &= ~CIST_HOOKED;
- }
-}
-
-
-static void callhook (lua_State *L, CallInfo *ci) {
- int hook = LUA_HOOKCALL;
- ci->u.l.savedpc++; /* hooks assume 'pc' is already incremented */
- if (isLua(ci->previous) &&
- GET_OPCODE(*(ci->previous->u.l.savedpc - 1)) == OP_TAILCALL) {
- ci->callstatus |= CIST_TAIL;
- hook = LUA_HOOKTAILCALL;
- }
- luaD_hook(L, hook, -1);
- ci->u.l.savedpc--; /* correct 'pc' */
-}
-
-
-static StkId adjust_varargs (lua_State *L, Proto *p, int actual) {
- int i;
- int nfixargs = p->numparams;
- StkId base, fixed;
- /* move fixed parameters to final position */
- fixed = L->top - actual; /* first fixed argument */
- base = L->top; /* final position of first argument */
- for (i = 0; i < nfixargs && i < actual; i++) {
- setobjs2s(L, L->top++, fixed + i);
- setnilvalue(fixed + i); /* erase original copy (for GC) */
- }
- for (; i < nfixargs; i++)
- setnilvalue(L->top++); /* complete missing arguments */
- return base;
-}
-
-
-/*
-** Check whether __call metafield of 'func' is a function. If so, put
-** it in stack below original 'func' so that 'luaD_precall' can call
-** it. Raise an error if __call metafield is not a function.
-*/
-static void tryfuncTM (lua_State *L, StkId func) {
- const TValue *tm = luaT_gettmbyobj(L, func, TM_CALL);
- StkId p;
- if (!ttisfunction(tm))
- luaG_typeerror(L, func, "call");
- /* Open a hole inside the stack at 'func' */
- for (p = L->top; p > func; p--)
- setobjs2s(L, p, p-1);
- L->top++; /* slot ensured by caller */
- setobj2s(L, func, tm); /* tag method is the new function to be called */
-}
-
-
-/*
-** Given 'nres' results at 'firstResult', move 'wanted' of them to 'res'.
-** Handle most typical cases (zero results for commands, one result for
-** expressions, multiple results for tail calls/single parameters)
-** separated.
-*/
-static int moveresults (lua_State *L, const TValue *firstResult, StkId res,
- int nres, int wanted) {
- switch (wanted) { /* handle typical cases separately */
- case 0: break; /* nothing to move */
- case 1: { /* one result needed */
- if (nres == 0) /* no results? */
- firstResult = luaO_nilobject; /* adjust with nil */
- setobjs2s(L, res, firstResult); /* move it to proper place */
- break;
- }
- case LUA_MULTRET: {
- int i;
- for (i = 0; i < nres; i++) /* move all results to correct place */
- setobjs2s(L, res + i, firstResult + i);
- L->top = res + nres;
- return 0; /* wanted == LUA_MULTRET */
- }
- default: {
- int i;
- if (wanted <= nres) { /* enough results? */
- for (i = 0; i < wanted; i++) /* move wanted results to correct place */
- setobjs2s(L, res + i, firstResult + i);
- }
- else { /* not enough results; use all of them plus nils */
- for (i = 0; i < nres; i++) /* move all results to correct place */
- setobjs2s(L, res + i, firstResult + i);
- for (; i < wanted; i++) /* complete wanted number of results */
- setnilvalue(res + i);
- }
- break;
- }
- }
- L->top = res + wanted; /* top points after the last result */
- return 1;
-}
-
-
-/*
-** Finishes a function call: calls hook if necessary, removes CallInfo,
-** moves current number of results to proper place; returns 0 iff call
-** wanted multiple (variable number of) results.
-*/
-int luaD_poscall (lua_State *L, CallInfo *ci, StkId firstResult, int nres) {
- StkId res;
- int wanted = ci->nresults;
- if (L->hookmask & (LUA_MASKRET | LUA_MASKLINE)) {
- if (L->hookmask & LUA_MASKRET) {
- ptrdiff_t fr = savestack(L, firstResult); /* hook may change stack */
- luaD_hook(L, LUA_HOOKRET, -1);
- firstResult = restorestack(L, fr);
- }
- L->oldpc = ci->previous->u.l.savedpc; /* 'oldpc' for caller function */
- }
- res = ci->func; /* res == final position of 1st result */
- L->ci = ci->previous; /* back to caller */
- /* move results to proper place */
- return moveresults(L, firstResult, res, nres, wanted);
-}
-
-
-
-#define next_ci(L) (L->ci = (L->ci->next ? L->ci->next : luaE_extendCI(L)))
-
-
-/* macro to check stack size, preserving 'p' */
-#define checkstackp(L,n,p) \
- luaD_checkstackaux(L, n, \
- ptrdiff_t t__ = savestack(L, p); /* save 'p' */ \
- luaC_checkGC(L), /* stack grow uses memory */ \
- p = restorestack(L, t__)) /* 'pos' part: restore 'p' */
-
-
-/*
-** Prepares a function call: checks the stack, creates a new CallInfo
-** entry, fills in the relevant information, calls hook if needed.
-** If function is a C function, does the call, too. (Otherwise, leave
-** the execution ('luaV_execute') to the caller, to allow stackless
-** calls.) Returns true iff function has been executed (C function).
-*/
-int luaD_precall (lua_State *L, StkId func, int nresults) {
- lua_CFunction f;
- CallInfo *ci;
- switch (ttype(func)) {
- case LUA_TCCL: /* C closure */
- f = clCvalue(func)->f;
- goto Cfunc;
- case LUA_TLCF: /* light C function */
- f = fvalue(func);
- Cfunc: {
- int n; /* number of returns */
- checkstackp(L, LUA_MINSTACK, func); /* ensure minimum stack size */
- ci = next_ci(L); /* now 'enter' new function */
- ci->nresults = nresults;
- ci->func = func;
- ci->top = L->top + LUA_MINSTACK;
- lua_assert(ci->top <= L->stack_last);
- ci->callstatus = 0;
- if (L->hookmask & LUA_MASKCALL)
- luaD_hook(L, LUA_HOOKCALL, -1);
- lua_unlock(L);
- n = (*f)(L); /* do the actual call */
- lua_lock(L);
- api_checknelems(L, n);
- luaD_poscall(L, ci, L->top - n, n);
- return 1;
- }
- case LUA_TLCL: { /* Lua function: prepare its call */
- StkId base;
- Proto *p = clLvalue(func)->p;
- int n = cast_int(L->top - func) - 1; /* number of real arguments */
- int fsize = p->maxstacksize; /* frame size */
- checkstackp(L, fsize, func);
- if (p->is_vararg)
- base = adjust_varargs(L, p, n);
- else { /* non vararg function */
- for (; n < p->numparams; n++)
- setnilvalue(L->top++); /* complete missing arguments */
- base = func + 1;
- }
- ci = next_ci(L); /* now 'enter' new function */
- ci->nresults = nresults;
- ci->func = func;
- ci->u.l.base = base;
- L->top = ci->top = base + fsize;
- lua_assert(ci->top <= L->stack_last);
- ci->u.l.savedpc = p->code; /* starting point */
- ci->callstatus = CIST_LUA;
- if (L->hookmask & LUA_MASKCALL)
- callhook(L, ci);
- return 0;
- }
- default: { /* not a function */
- checkstackp(L, 1, func); /* ensure space for metamethod */
- tryfuncTM(L, func); /* try to get '__call' metamethod */
- return luaD_precall(L, func, nresults); /* now it must be a function */
- }
- }
-}
-
-
-/*
-** Check appropriate error for stack overflow ("regular" overflow or
-** overflow while handling stack overflow). If 'nCalls' is larger than
-** LUAI_MAXCCALLS (which means it is handling a "regular" overflow) but
-** smaller than 9/8 of LUAI_MAXCCALLS, does not report an error (to
-** allow overflow handling to work)
-*/
-static void stackerror (lua_State *L) {
- if (L->nCcalls == LUAI_MAXCCALLS)
- luaG_runerror(L, "C stack overflow");
- else if (L->nCcalls >= (LUAI_MAXCCALLS + (LUAI_MAXCCALLS>>3)))
- luaD_throw(L, LUA_ERRERR); /* error while handing stack error */
-}
-
-
-/*
-** Call a function (C or Lua). The function to be called is at *func.
-** The arguments are on the stack, right after the function.
-** When returns, all the results are on the stack, starting at the original
-** function position.
-*/
-void luaD_call (lua_State *L, StkId func, int nResults) {
- if (++L->nCcalls >= LUAI_MAXCCALLS)
- stackerror(L);
- if (!luaD_precall(L, func, nResults)) /* is a Lua function? */
- luaV_execute(L); /* call it */
- L->nCcalls--;
-}
-
-
-/*
-** Similar to 'luaD_call', but does not allow yields during the call
-*/
-void luaD_callnoyield (lua_State *L, StkId func, int nResults) {
- L->nny++;
- luaD_call(L, func, nResults);
- L->nny--;
-}
-
-
-/*
-** Completes the execution of an interrupted C function, calling its
-** continuation function.
-*/
-static void finishCcall (lua_State *L, int status) {
- CallInfo *ci = L->ci;
- int n;
- /* must have a continuation and must be able to call it */
- lua_assert(ci->u.c.k != NULL && L->nny == 0);
- /* error status can only happen in a protected call */
- lua_assert((ci->callstatus & CIST_YPCALL) || status == LUA_YIELD);
- if (ci->callstatus & CIST_YPCALL) { /* was inside a pcall? */
- ci->callstatus &= ~CIST_YPCALL; /* continuation is also inside it */
- L->errfunc = ci->u.c.old_errfunc; /* with the same error function */
- }
- /* finish 'lua_callk'/'lua_pcall'; CIST_YPCALL and 'errfunc' already
- handled */
- adjustresults(L, ci->nresults);
- lua_unlock(L);
- n = (*ci->u.c.k)(L, status, ci->u.c.ctx); /* call continuation function */
- lua_lock(L);
- api_checknelems(L, n);
- luaD_poscall(L, ci, L->top - n, n); /* finish 'luaD_precall' */
-}
-
-
-/*
-** Executes "full continuation" (everything in the stack) of a
-** previously interrupted coroutine until the stack is empty (or another
-** interruption long-jumps out of the loop). If the coroutine is
-** recovering from an error, 'ud' points to the error status, which must
-** be passed to the first continuation function (otherwise the default
-** status is LUA_YIELD).
-*/
-static void unroll (lua_State *L, void *ud) {
- if (ud != NULL) /* error status? */
- finishCcall(L, *(int *)ud); /* finish 'lua_pcallk' callee */
- while (L->ci != &L->base_ci) { /* something in the stack */
- if (!isLua(L->ci)) /* C function? */
- finishCcall(L, LUA_YIELD); /* complete its execution */
- else { /* Lua function */
- luaV_finishOp(L); /* finish interrupted instruction */
- luaV_execute(L); /* execute down to higher C 'boundary' */
- }
- }
-}
-
-
-/*
-** Try to find a suspended protected call (a "recover point") for the
-** given thread.
-*/
-static CallInfo *findpcall (lua_State *L) {
- CallInfo *ci;
- for (ci = L->ci; ci != NULL; ci = ci->previous) { /* search for a pcall */
- if (ci->callstatus & CIST_YPCALL)
- return ci;
- }
- return NULL; /* no pending pcall */
-}
-
-
-/*
-** Recovers from an error in a coroutine. Finds a recover point (if
-** there is one) and completes the execution of the interrupted
-** 'luaD_pcall'. If there is no recover point, returns zero.
-*/
-static int recover (lua_State *L, int status) {
- StkId oldtop;
- CallInfo *ci = findpcall(L);
- if (ci == NULL) return 0; /* no recovery point */
- /* "finish" luaD_pcall */
- oldtop = restorestack(L, ci->extra);
- luaF_close(L, oldtop);
- seterrorobj(L, status, oldtop);
- L->ci = ci;
- L->allowhook = getoah(ci->callstatus); /* restore original 'allowhook' */
- L->nny = 0; /* should be zero to be yieldable */
- luaD_shrinkstack(L);
- L->errfunc = ci->u.c.old_errfunc;
- return 1; /* continue running the coroutine */
-}
-
-
-/*
-** Signal an error in the call to 'lua_resume', not in the execution
-** of the coroutine itself. (Such errors should not be handled by any
-** coroutine error handler and should not kill the coroutine.)
-*/
-static int resume_error (lua_State *L, const char *msg, int narg) {
- L->top -= narg; /* remove args from the stack */
- setsvalue2s(L, L->top, luaS_new(L, msg)); /* push error message */
- api_incr_top(L);
- lua_unlock(L);
- return LUA_ERRRUN;
-}
-
-
-/*
-** Do the work for 'lua_resume' in protected mode. Most of the work
-** depends on the status of the coroutine: initial state, suspended
-** inside a hook, or regularly suspended (optionally with a continuation
-** function), plus erroneous cases: non-suspended coroutine or dead
-** coroutine.
-*/
-static void resume (lua_State *L, void *ud) {
- int n = *(cast(int*, ud)); /* number of arguments */
- StkId firstArg = L->top - n; /* first argument */
- CallInfo *ci = L->ci;
- if (L->status == LUA_OK) { /* starting a coroutine? */
- if (!luaD_precall(L, firstArg - 1, LUA_MULTRET)) /* Lua function? */
- luaV_execute(L); /* call it */
- }
- else { /* resuming from previous yield */
- lua_assert(L->status == LUA_YIELD);
- L->status = LUA_OK; /* mark that it is running (again) */
- ci->func = restorestack(L, ci->extra);
- if (isLua(ci)) /* yielded inside a hook? */
- luaV_execute(L); /* just continue running Lua code */
- else { /* 'common' yield */
- if (ci->u.c.k != NULL) { /* does it have a continuation function? */
- lua_unlock(L);
- n = (*ci->u.c.k)(L, LUA_YIELD, ci->u.c.ctx); /* call continuation */
- lua_lock(L);
- api_checknelems(L, n);
- firstArg = L->top - n; /* yield results come from continuation */
- }
- luaD_poscall(L, ci, firstArg, n); /* finish 'luaD_precall' */
- }
- unroll(L, NULL); /* run continuation */
- }
-}
-
-
-LUA_API int lua_resume (lua_State *L, lua_State *from, int nargs) {
- int status;
- unsigned short oldnny = L->nny; /* save "number of non-yieldable" calls */
- lua_lock(L);
- if (L->status == LUA_OK) { /* may be starting a coroutine */
- if (L->ci != &L->base_ci) /* not in base level? */
- return resume_error(L, "cannot resume non-suspended coroutine", nargs);
- }
- else if (L->status != LUA_YIELD)
- return resume_error(L, "cannot resume dead coroutine", nargs);
- L->nCcalls = (from) ? from->nCcalls + 1 : 1;
- if (L->nCcalls >= LUAI_MAXCCALLS)
- return resume_error(L, "C stack overflow", nargs);
- luai_userstateresume(L, nargs);
- L->nny = 0; /* allow yields */
- api_checknelems(L, (L->status == LUA_OK) ? nargs + 1 : nargs);
- status = luaD_rawrunprotected(L, resume, &nargs);
- if (status == -1) /* error calling 'lua_resume'? */
- status = LUA_ERRRUN;
- else { /* continue running after recoverable errors */
- while (errorstatus(status) && recover(L, status)) {
- /* unroll continuation */
- status = luaD_rawrunprotected(L, unroll, &status);
- }
- if (errorstatus(status)) { /* unrecoverable error? */
- L->status = cast_byte(status); /* mark thread as 'dead' */
- seterrorobj(L, status, L->top); /* push error message */
- L->ci->top = L->top;
- }
- else lua_assert(status == L->status); /* normal end or yield */
- }
- L->nny = oldnny; /* restore 'nny' */
- L->nCcalls--;
- lua_assert(L->nCcalls == ((from) ? from->nCcalls : 0));
- lua_unlock(L);
- return status;
-}
-
-
-LUA_API int lua_isyieldable (lua_State *L) {
- return (L->nny == 0);
-}
-
-
-LUA_API int lua_yieldk (lua_State *L, int nresults, lua_KContext ctx,
- lua_KFunction k) {
- CallInfo *ci = L->ci;
- luai_userstateyield(L, nresults);
- lua_lock(L);
- api_checknelems(L, nresults);
- if (L->nny > 0) {
- if (L != G(L)->mainthread)
- luaG_runerror(L, "attempt to yield across a C-call boundary");
- else
- luaG_runerror(L, "attempt to yield from outside a coroutine");
- }
- L->status = LUA_YIELD;
- ci->extra = savestack(L, ci->func); /* save current 'func' */
- if (isLua(ci)) { /* inside a hook? */
- api_check(L, k == NULL, "hooks cannot continue after yielding");
- }
- else {
- if ((ci->u.c.k = k) != NULL) /* is there a continuation? */
- ci->u.c.ctx = ctx; /* save context */
- ci->func = L->top - nresults - 1; /* protect stack below results */
- luaD_throw(L, LUA_YIELD);
- }
- lua_assert(ci->callstatus & CIST_HOOKED); /* must be inside a hook */
- lua_unlock(L);
- return 0; /* return to 'luaD_hook' */
-}
-
-
-int luaD_pcall (lua_State *L, Pfunc func, void *u,
- ptrdiff_t old_top, ptrdiff_t ef) {
- int status;
- CallInfo *old_ci = L->ci;
- lu_byte old_allowhooks = L->allowhook;
- unsigned short old_nny = L->nny;
- ptrdiff_t old_errfunc = L->errfunc;
- L->errfunc = ef;
- status = luaD_rawrunprotected(L, func, u);
- if (status != LUA_OK) { /* an error occurred? */
- StkId oldtop = restorestack(L, old_top);
- luaF_close(L, oldtop); /* close possible pending closures */
- seterrorobj(L, status, oldtop);
- L->ci = old_ci;
- L->allowhook = old_allowhooks;
- L->nny = old_nny;
- luaD_shrinkstack(L);
- }
- L->errfunc = old_errfunc;
- return status;
-}
-
-
-
-/*
-** Execute a protected parser.
-*/
-struct SParser { /* data to 'f_parser' */
- ZIO *z;
- Mbuffer buff; /* dynamic structure used by the scanner */
- Dyndata dyd; /* dynamic structures used by the parser */
- const char *mode;
- const char *name;
-};
-
-
-static void checkmode (lua_State *L, const char *mode, const char *x) {
- if (mode && strchr(mode, x[0]) == NULL) {
- luaO_pushfstring(L,
- "attempt to load a %s chunk (mode is '%s')", x, mode);
- luaD_throw(L, LUA_ERRSYNTAX);
- }
-}
-
-
-static void f_parser (lua_State *L, void *ud) {
- LClosure *cl;
- struct SParser *p = cast(struct SParser *, ud);
- int c = zgetc(p->z); /* read first character */
- if (c == LUA_SIGNATURE[0]) {
- checkmode(L, p->mode, "binary");
- cl = luaU_undump(L, p->z, p->name);
- }
- else {
- checkmode(L, p->mode, "text");
- cl = luaY_parser(L, p->z, &p->buff, &p->dyd, p->name, c);
- }
- lua_assert(cl->nupvalues == cl->p->sizeupvalues);
- luaF_initupvals(L, cl);
-}
-
-
-int luaD_protectedparser (lua_State *L, ZIO *z, const char *name,
- const char *mode) {
- struct SParser p;
- int status;
- L->nny++; /* cannot yield during parsing */
- p.z = z; p.name = name; p.mode = mode;
- p.dyd.actvar.arr = NULL; p.dyd.actvar.size = 0;
- p.dyd.gt.arr = NULL; p.dyd.gt.size = 0;
- p.dyd.label.arr = NULL; p.dyd.label.size = 0;
- luaZ_initbuffer(L, &p.buff);
- status = luaD_pcall(L, f_parser, &p, savestack(L, L->top), L->errfunc);
- luaZ_freebuffer(L, &p.buff);
- luaM_freearray(L, p.dyd.actvar.arr, p.dyd.actvar.size);
- luaM_freearray(L, p.dyd.gt.arr, p.dyd.gt.size);
- luaM_freearray(L, p.dyd.label.arr, p.dyd.label.size);
- L->nny--;
- return status;
-}
-
-
diff --git a/Build/source/libs/lua53/lua53-src/src/ldo.h b/Build/source/libs/lua53/lua53-src/src/ldo.h
deleted file mode 100644
index 3b2983a3864..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/ldo.h
+++ /dev/null
@@ -1,58 +0,0 @@
-/*
-** $Id: ldo.h,v 2.29.1.1 2017/04/19 17:20:42 roberto Exp $
-** Stack and Call structure of Lua
-** See Copyright Notice in lua.h
-*/
-
-#ifndef ldo_h
-#define ldo_h
-
-
-#include "lobject.h"
-#include "lstate.h"
-#include "lzio.h"
-
-
-/*
-** Macro to check stack size and grow stack if needed. Parameters
-** 'pre'/'pos' allow the macro to preserve a pointer into the
-** stack across reallocations, doing the work only when needed.
-** 'condmovestack' is used in heavy tests to force a stack reallocation
-** at every check.
-*/
-#define luaD_checkstackaux(L,n,pre,pos) \
- if (L->stack_last - L->top <= (n)) \
- { pre; luaD_growstack(L, n); pos; } else { condmovestack(L,pre,pos); }
-
-/* In general, 'pre'/'pos' are empty (nothing to save) */
-#define luaD_checkstack(L,n) luaD_checkstackaux(L,n,(void)0,(void)0)
-
-
-
-#define savestack(L,p) ((char *)(p) - (char *)L->stack)
-#define restorestack(L,n) ((TValue *)((char *)L->stack + (n)))
-
-
-/* type of protected functions, to be ran by 'runprotected' */
-typedef void (*Pfunc) (lua_State *L, void *ud);
-
-LUAI_FUNC int luaD_protectedparser (lua_State *L, ZIO *z, const char *name,
- const char *mode);
-LUAI_FUNC void luaD_hook (lua_State *L, int event, int line);
-LUAI_FUNC int luaD_precall (lua_State *L, StkId func, int nresults);
-LUAI_FUNC void luaD_call (lua_State *L, StkId func, int nResults);
-LUAI_FUNC void luaD_callnoyield (lua_State *L, StkId func, int nResults);
-LUAI_FUNC int luaD_pcall (lua_State *L, Pfunc func, void *u,
- ptrdiff_t oldtop, ptrdiff_t ef);
-LUAI_FUNC int luaD_poscall (lua_State *L, CallInfo *ci, StkId firstResult,
- int nres);
-LUAI_FUNC void luaD_reallocstack (lua_State *L, int newsize);
-LUAI_FUNC void luaD_growstack (lua_State *L, int n);
-LUAI_FUNC void luaD_shrinkstack (lua_State *L);
-LUAI_FUNC void luaD_inctop (lua_State *L);
-
-LUAI_FUNC l_noret luaD_throw (lua_State *L, int errcode);
-LUAI_FUNC int luaD_rawrunprotected (lua_State *L, Pfunc f, void *ud);
-
-#endif
-
diff --git a/Build/source/libs/lua53/lua53-src/src/ldump.c b/Build/source/libs/lua53/lua53-src/src/ldump.c
deleted file mode 100644
index f025acac3c2..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/ldump.c
+++ /dev/null
@@ -1,215 +0,0 @@
-/*
-** $Id: ldump.c,v 2.37.1.1 2017/04/19 17:20:42 roberto Exp $
-** save precompiled Lua chunks
-** See Copyright Notice in lua.h
-*/
-
-#define ldump_c
-#define LUA_CORE
-
-#include "lprefix.h"
-
-
-#include <stddef.h>
-
-#include "lua.h"
-
-#include "lobject.h"
-#include "lstate.h"
-#include "lundump.h"
-
-
-typedef struct {
- lua_State *L;
- lua_Writer writer;
- void *data;
- int strip;
- int status;
-} DumpState;
-
-
-/*
-** All high-level dumps go through DumpVector; you can change it to
-** change the endianness of the result
-*/
-#define DumpVector(v,n,D) DumpBlock(v,(n)*sizeof((v)[0]),D)
-
-#define DumpLiteral(s,D) DumpBlock(s, sizeof(s) - sizeof(char), D)
-
-
-static void DumpBlock (const void *b, size_t size, DumpState *D) {
- if (D->status == 0 && size > 0) {
- lua_unlock(D->L);
- D->status = (*D->writer)(D->L, b, size, D->data);
- lua_lock(D->L);
- }
-}
-
-
-#define DumpVar(x,D) DumpVector(&x,1,D)
-
-
-static void DumpByte (int y, DumpState *D) {
- lu_byte x = (lu_byte)y;
- DumpVar(x, D);
-}
-
-
-static void DumpInt (int x, DumpState *D) {
- DumpVar(x, D);
-}
-
-
-static void DumpNumber (lua_Number x, DumpState *D) {
- DumpVar(x, D);
-}
-
-
-static void DumpInteger (lua_Integer x, DumpState *D) {
- DumpVar(x, D);
-}
-
-
-static void DumpString (const TString *s, DumpState *D) {
- if (s == NULL)
- DumpByte(0, D);
- else {
- size_t size = tsslen(s) + 1; /* include trailing '\0' */
- const char *str = getstr(s);
- if (size < 0xFF)
- DumpByte(cast_int(size), D);
- else {
- DumpByte(0xFF, D);
- DumpVar(size, D);
- }
- DumpVector(str, size - 1, D); /* no need to save '\0' */
- }
-}
-
-
-static void DumpCode (const Proto *f, DumpState *D) {
- DumpInt(f->sizecode, D);
- DumpVector(f->code, f->sizecode, D);
-}
-
-
-static void DumpFunction(const Proto *f, TString *psource, DumpState *D);
-
-static void DumpConstants (const Proto *f, DumpState *D) {
- int i;
- int n = f->sizek;
- DumpInt(n, D);
- for (i = 0; i < n; i++) {
- const TValue *o = &f->k[i];
- DumpByte(ttype(o), D);
- switch (ttype(o)) {
- case LUA_TNIL:
- break;
- case LUA_TBOOLEAN:
- DumpByte(bvalue(o), D);
- break;
- case LUA_TNUMFLT:
- DumpNumber(fltvalue(o), D);
- break;
- case LUA_TNUMINT:
- DumpInteger(ivalue(o), D);
- break;
- case LUA_TSHRSTR:
- case LUA_TLNGSTR:
- DumpString(tsvalue(o), D);
- break;
- default:
- lua_assert(0);
- }
- }
-}
-
-
-static void DumpProtos (const Proto *f, DumpState *D) {
- int i;
- int n = f->sizep;
- DumpInt(n, D);
- for (i = 0; i < n; i++)
- DumpFunction(f->p[i], f->source, D);
-}
-
-
-static void DumpUpvalues (const Proto *f, DumpState *D) {
- int i, n = f->sizeupvalues;
- DumpInt(n, D);
- for (i = 0; i < n; i++) {
- DumpByte(f->upvalues[i].instack, D);
- DumpByte(f->upvalues[i].idx, D);
- }
-}
-
-
-static void DumpDebug (const Proto *f, DumpState *D) {
- int i, n;
- n = (D->strip) ? 0 : f->sizelineinfo;
- DumpInt(n, D);
- DumpVector(f->lineinfo, n, D);
- n = (D->strip) ? 0 : f->sizelocvars;
- DumpInt(n, D);
- for (i = 0; i < n; i++) {
- DumpString(f->locvars[i].varname, D);
- DumpInt(f->locvars[i].startpc, D);
- DumpInt(f->locvars[i].endpc, D);
- }
- n = (D->strip) ? 0 : f->sizeupvalues;
- DumpInt(n, D);
- for (i = 0; i < n; i++)
- DumpString(f->upvalues[i].name, D);
-}
-
-
-static void DumpFunction (const Proto *f, TString *psource, DumpState *D) {
- if (D->strip || f->source == psource)
- DumpString(NULL, D); /* no debug info or same source as its parent */
- else
- DumpString(f->source, D);
- DumpInt(f->linedefined, D);
- DumpInt(f->lastlinedefined, D);
- DumpByte(f->numparams, D);
- DumpByte(f->is_vararg, D);
- DumpByte(f->maxstacksize, D);
- DumpCode(f, D);
- DumpConstants(f, D);
- DumpUpvalues(f, D);
- DumpProtos(f, D);
- DumpDebug(f, D);
-}
-
-
-static void DumpHeader (DumpState *D) {
- DumpLiteral(LUA_SIGNATURE, D);
- DumpByte(LUAC_VERSION, D);
- DumpByte(LUAC_FORMAT, D);
- DumpLiteral(LUAC_DATA, D);
- DumpByte(sizeof(int), D);
- DumpByte(sizeof(size_t), D);
- DumpByte(sizeof(Instruction), D);
- DumpByte(sizeof(lua_Integer), D);
- DumpByte(sizeof(lua_Number), D);
- DumpInteger(LUAC_INT, D);
- DumpNumber(LUAC_NUM, D);
-}
-
-
-/*
-** dump Lua function as precompiled chunk
-*/
-int luaU_dump(lua_State *L, const Proto *f, lua_Writer w, void *data,
- int strip) {
- DumpState D;
- D.L = L;
- D.writer = w;
- D.data = data;
- D.strip = strip;
- D.status = 0;
- DumpHeader(&D);
- DumpByte(f->sizeupvalues, &D);
- DumpFunction(f, NULL, &D);
- return D.status;
-}
-
diff --git a/Build/source/libs/lua53/lua53-src/src/lfunc.c b/Build/source/libs/lua53/lua53-src/src/lfunc.c
deleted file mode 100644
index ccafbb8ab3c..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/lfunc.c
+++ /dev/null
@@ -1,151 +0,0 @@
-/*
-** $Id: lfunc.c,v 2.45.1.1 2017/04/19 17:39:34 roberto Exp $
-** Auxiliary functions to manipulate prototypes and closures
-** See Copyright Notice in lua.h
-*/
-
-#define lfunc_c
-#define LUA_CORE
-
-#include "lprefix.h"
-
-
-#include <stddef.h>
-
-#include "lua.h"
-
-#include "lfunc.h"
-#include "lgc.h"
-#include "lmem.h"
-#include "lobject.h"
-#include "lstate.h"
-
-
-
-CClosure *luaF_newCclosure (lua_State *L, int n) {
- GCObject *o = luaC_newobj(L, LUA_TCCL, sizeCclosure(n));
- CClosure *c = gco2ccl(o);
- c->nupvalues = cast_byte(n);
- return c;
-}
-
-
-LClosure *luaF_newLclosure (lua_State *L, int n) {
- GCObject *o = luaC_newobj(L, LUA_TLCL, sizeLclosure(n));
- LClosure *c = gco2lcl(o);
- c->p = NULL;
- c->nupvalues = cast_byte(n);
- while (n--) c->upvals[n] = NULL;
- return c;
-}
-
-/*
-** fill a closure with new closed upvalues
-*/
-void luaF_initupvals (lua_State *L, LClosure *cl) {
- int i;
- for (i = 0; i < cl->nupvalues; i++) {
- UpVal *uv = luaM_new(L, UpVal);
- uv->refcount = 1;
- uv->v = &uv->u.value; /* make it closed */
- setnilvalue(uv->v);
- cl->upvals[i] = uv;
- }
-}
-
-
-UpVal *luaF_findupval (lua_State *L, StkId level) {
- UpVal **pp = &L->openupval;
- UpVal *p;
- UpVal *uv;
- lua_assert(isintwups(L) || L->openupval == NULL);
- while (*pp != NULL && (p = *pp)->v >= level) {
- lua_assert(upisopen(p));
- if (p->v == level) /* found a corresponding upvalue? */
- return p; /* return it */
- pp = &p->u.open.next;
- }
- /* not found: create a new upvalue */
- uv = luaM_new(L, UpVal);
- uv->refcount = 0;
- uv->u.open.next = *pp; /* link it to list of open upvalues */
- uv->u.open.touched = 1;
- *pp = uv;
- uv->v = level; /* current value lives in the stack */
- if (!isintwups(L)) { /* thread not in list of threads with upvalues? */
- L->twups = G(L)->twups; /* link it to the list */
- G(L)->twups = L;
- }
- return uv;
-}
-
-
-void luaF_close (lua_State *L, StkId level) {
- UpVal *uv;
- while (L->openupval != NULL && (uv = L->openupval)->v >= level) {
- lua_assert(upisopen(uv));
- L->openupval = uv->u.open.next; /* remove from 'open' list */
- if (uv->refcount == 0) /* no references? */
- luaM_free(L, uv); /* free upvalue */
- else {
- setobj(L, &uv->u.value, uv->v); /* move value to upvalue slot */
- uv->v = &uv->u.value; /* now current value lives here */
- luaC_upvalbarrier(L, uv);
- }
- }
-}
-
-
-Proto *luaF_newproto (lua_State *L) {
- GCObject *o = luaC_newobj(L, LUA_TPROTO, sizeof(Proto));
- Proto *f = gco2p(o);
- f->k = NULL;
- f->sizek = 0;
- f->p = NULL;
- f->sizep = 0;
- f->code = NULL;
- f->cache = NULL;
- f->sizecode = 0;
- f->lineinfo = NULL;
- f->sizelineinfo = 0;
- f->upvalues = NULL;
- f->sizeupvalues = 0;
- f->numparams = 0;
- f->is_vararg = 0;
- f->maxstacksize = 0;
- f->locvars = NULL;
- f->sizelocvars = 0;
- f->linedefined = 0;
- f->lastlinedefined = 0;
- f->source = NULL;
- return f;
-}
-
-
-void luaF_freeproto (lua_State *L, Proto *f) {
- luaM_freearray(L, f->code, f->sizecode);
- luaM_freearray(L, f->p, f->sizep);
- luaM_freearray(L, f->k, f->sizek);
- luaM_freearray(L, f->lineinfo, f->sizelineinfo);
- luaM_freearray(L, f->locvars, f->sizelocvars);
- luaM_freearray(L, f->upvalues, f->sizeupvalues);
- luaM_free(L, f);
-}
-
-
-/*
-** Look for n-th local variable at line 'line' in function 'func'.
-** Returns NULL if not found.
-*/
-const char *luaF_getlocalname (const Proto *f, int local_number, int pc) {
- int i;
- for (i = 0; i<f->sizelocvars && f->locvars[i].startpc <= pc; i++) {
- if (pc < f->locvars[i].endpc) { /* is variable active? */
- local_number--;
- if (local_number == 0)
- return getstr(f->locvars[i].varname);
- }
- }
- return NULL; /* not found */
-}
-
diff --git a/Build/source/libs/lua53/lua53-src/src/lfunc.h b/Build/source/libs/lua53/lua53-src/src/lfunc.h
deleted file mode 100644
index c916e9878ad..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/lfunc.h
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
-** $Id: lfunc.h,v 2.15.1.1 2017/04/19 17:39:34 roberto Exp $
-** Auxiliary functions to manipulate prototypes and closures
-** See Copyright Notice in lua.h
-*/
-
-#ifndef lfunc_h
-#define lfunc_h
-
-
-#include "lobject.h"
-
-
-#define sizeCclosure(n) (cast(int, sizeof(CClosure)) + \
- cast(int, sizeof(TValue)*((n)-1)))
-
-#define sizeLclosure(n) (cast(int, sizeof(LClosure)) + \
- cast(int, sizeof(TValue *)*((n)-1)))
-
-
-/* test whether thread is in 'twups' list */
-#define isintwups(L) (L->twups != L)
-
-
-/*
-** maximum number of upvalues in a closure (both C and Lua). (Value
-** must fit in a VM register.)
-*/
-#define MAXUPVAL 255
-
-
-/*
-** Upvalues for Lua closures
-*/
-struct UpVal {
- TValue *v; /* points to stack or to its own value */
- lu_mem refcount; /* reference counter */
- union {
- struct { /* (when open) */
- UpVal *next; /* linked list */
- int touched; /* mark to avoid cycles with dead threads */
- } open;
- TValue value; /* the value (when closed) */
- } u;
-};
-
-#define upisopen(up) ((up)->v != &(up)->u.value)
-
-
-LUAI_FUNC Proto *luaF_newproto (lua_State *L);
-LUAI_FUNC CClosure *luaF_newCclosure (lua_State *L, int nelems);
-LUAI_FUNC LClosure *luaF_newLclosure (lua_State *L, int nelems);
-LUAI_FUNC void luaF_initupvals (lua_State *L, LClosure *cl);
-LUAI_FUNC UpVal *luaF_findupval (lua_State *L, StkId level);
-LUAI_FUNC void luaF_close (lua_State *L, StkId level);
-LUAI_FUNC void luaF_freeproto (lua_State *L, Proto *f);
-LUAI_FUNC const char *luaF_getlocalname (const Proto *func, int local_number,
- int pc);
-
-
-#endif
diff --git a/Build/source/libs/lua53/lua53-src/src/lgc.c b/Build/source/libs/lua53/lua53-src/src/lgc.c
deleted file mode 100644
index db4df82922e..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/lgc.c
+++ /dev/null
@@ -1,1179 +0,0 @@
-/*
-** $Id: lgc.c,v 2.215.1.2 2017/08/31 16:15:27 roberto Exp $
-** Garbage Collector
-** See Copyright Notice in lua.h
-*/
-
-#define lgc_c
-#define LUA_CORE
-
-#include "lprefix.h"
-
-
-#include <string.h>
-
-#include "lua.h"
-
-#include "ldebug.h"
-#include "ldo.h"
-#include "lfunc.h"
-#include "lgc.h"
-#include "lmem.h"
-#include "lobject.h"
-#include "lstate.h"
-#include "lstring.h"
-#include "ltable.h"
-#include "ltm.h"
-
-
-/*
-** internal state for collector while inside the atomic phase. The
-** collector should never be in this state while running regular code.
-*/
-#define GCSinsideatomic (GCSpause + 1)
-
-/*
-** cost of sweeping one element (the size of a small object divided
-** by some adjust for the sweep speed)
-*/
-#define GCSWEEPCOST ((sizeof(TString) + 4) / 4)
-
-/* maximum number of elements to sweep in each single step */
-#define GCSWEEPMAX (cast_int((GCSTEPSIZE / GCSWEEPCOST) / 4))
-
-/* cost of calling one finalizer */
-#define GCFINALIZECOST GCSWEEPCOST
-
-
-/*
-** macro to adjust 'stepmul': 'stepmul' is actually used like
-** 'stepmul / STEPMULADJ' (value chosen by tests)
-*/
-#define STEPMULADJ 200
-
-
-/*
-** macro to adjust 'pause': 'pause' is actually used like
-** 'pause / PAUSEADJ' (value chosen by tests)
-*/
-#define PAUSEADJ 100
-
-
-/*
-** 'makewhite' erases all color bits then sets only the current white
-** bit
-*/
-#define maskcolors (~(bitmask(BLACKBIT) | WHITEBITS))
-#define makewhite(g,x) \
- (x->marked = cast_byte((x->marked & maskcolors) | luaC_white(g)))
-
-#define white2gray(x) resetbits(x->marked, WHITEBITS)
-#define black2gray(x) resetbit(x->marked, BLACKBIT)
-
-
-#define valiswhite(x) (iscollectable(x) && iswhite(gcvalue(x)))
-
-#define checkdeadkey(n) lua_assert(!ttisdeadkey(gkey(n)) || ttisnil(gval(n)))
-
-
-#define checkconsistency(obj) \
- lua_longassert(!iscollectable(obj) || righttt(obj))
-
-
-#define markvalue(g,o) { checkconsistency(o); \
- if (valiswhite(o)) reallymarkobject(g,gcvalue(o)); }
-
-#define markobject(g,t) { if (iswhite(t)) reallymarkobject(g, obj2gco(t)); }
-
-/*
-** mark an object that can be NULL (either because it is really optional,
-** or it was stripped as debug info, or inside an uncompleted structure)
-*/
-#define markobjectN(g,t) { if (t) markobject(g,t); }
-
-static void reallymarkobject (global_State *g, GCObject *o);
-
-
-/*
-** {======================================================
-** Generic functions
-** =======================================================
-*/
-
-
-/*
-** one after last element in a hash array
-*/
-#define gnodelast(h) gnode(h, cast(size_t, sizenode(h)))
-
-
-/*
-** link collectable object 'o' into list pointed by 'p'
-*/
-#define linkgclist(o,p) ((o)->gclist = (p), (p) = obj2gco(o))
-
-
-/*
-** If key is not marked, mark its entry as dead. This allows key to be
-** collected, but keeps its entry in the table. A dead node is needed
-** when Lua looks up for a key (it may be part of a chain) and when
-** traversing a weak table (key might be removed from the table during
-** traversal). Other places never manipulate dead keys, because its
-** associated nil value is enough to signal that the entry is logically
-** empty.
-*/
-static void removeentry (Node *n) {
- lua_assert(ttisnil(gval(n)));
- if (valiswhite(gkey(n)))
- setdeadvalue(wgkey(n)); /* unused and unmarked key; remove it */
-}
-
-
-/*
-** tells whether a key or value can be cleared from a weak
-** table. Non-collectable objects are never removed from weak
-** tables. Strings behave as 'values', so are never removed too. for
-** other objects: if really collected, cannot keep them; for objects
-** being finalized, keep them in keys, but not in values
-*/
-static int iscleared (global_State *g, const TValue *o) {
- if (!iscollectable(o)) return 0;
- else if (ttisstring(o)) {
- markobject(g, tsvalue(o)); /* strings are 'values', so are never weak */
- return 0;
- }
- else return iswhite(gcvalue(o));
-}
-
-
-/*
-** barrier that moves collector forward, that is, mark the white object
-** being pointed by a black object. (If in sweep phase, clear the black
-** object to white [sweep it] to avoid other barrier calls for this
-** same object.)
-*/
-void luaC_barrier_ (lua_State *L, GCObject *o, GCObject *v) {
- global_State *g = G(L);
- lua_assert(isblack(o) && iswhite(v) && !isdead(g, v) && !isdead(g, o));
- if (keepinvariant(g)) /* must keep invariant? */
- reallymarkobject(g, v); /* restore invariant */
- else { /* sweep phase */
- lua_assert(issweepphase(g));
- makewhite(g, o); /* mark main obj. as white to avoid other barriers */
- }
-}
-
-
-/*
-** barrier that moves collector backward, that is, mark the black object
-** pointing to a white object as gray again.
-*/
-void luaC_barrierback_ (lua_State *L, Table *t) {
- global_State *g = G(L);
- lua_assert(isblack(t) && !isdead(g, t));
- black2gray(t); /* make table gray (again) */
- linkgclist(t, g->grayagain);
-}
-
-
-/*
-** barrier for assignments to closed upvalues. Because upvalues are
-** shared among closures, it is impossible to know the color of all
-** closures pointing to it. So, we assume that the object being assigned
-** must be marked.
-*/
-void luaC_upvalbarrier_ (lua_State *L, UpVal *uv) {
- global_State *g = G(L);
- GCObject *o = gcvalue(uv->v);
- lua_assert(!upisopen(uv)); /* ensured by macro luaC_upvalbarrier */
- if (keepinvariant(g))
- markobject(g, o);
-}
-
-
-void luaC_fix (lua_State *L, GCObject *o) {
- global_State *g = G(L);
- lua_assert(g->allgc == o); /* object must be 1st in 'allgc' list! */
- white2gray(o); /* they will be gray forever */
- g->allgc = o->next; /* remove object from 'allgc' list */
- o->next = g->fixedgc; /* link it to 'fixedgc' list */
- g->fixedgc = o;
-}
-
-
-/*
-** create a new collectable object (with given type and size) and link
-** it to 'allgc' list.
-*/
-GCObject *luaC_newobj (lua_State *L, int tt, size_t sz) {
- global_State *g = G(L);
- GCObject *o = cast(GCObject *, luaM_newobject(L, novariant(tt), sz));
- o->marked = luaC_white(g);
- o->tt = tt;
- o->next = g->allgc;
- g->allgc = o;
- return o;
-}
-
-/* }====================================================== */
-
-
-
-/*
-** {======================================================
-** Mark functions
-** =======================================================
-*/
-
-
-/*
-** mark an object. Userdata, strings, and closed upvalues are visited
-** and turned black here. Other objects are marked gray and added
-** to appropriate list to be visited (and turned black) later. (Open
-** upvalues are already linked in 'headuv' list.)
-*/
-static void reallymarkobject (global_State *g, GCObject *o) {
- reentry:
- white2gray(o);
- switch (o->tt) {
- case LUA_TSHRSTR: {
- gray2black(o);
- g->GCmemtrav += sizelstring(gco2ts(o)->shrlen);
- break;
- }
- case LUA_TLNGSTR: {
- gray2black(o);
- g->GCmemtrav += sizelstring(gco2ts(o)->u.lnglen);
- break;
- }
- case LUA_TUSERDATA: {
- TValue uvalue;
- markobjectN(g, gco2u(o)->metatable); /* mark its metatable */
- gray2black(o);
- g->GCmemtrav += sizeudata(gco2u(o));
- getuservalue(g->mainthread, gco2u(o), &uvalue);
- if (valiswhite(&uvalue)) { /* markvalue(g, &uvalue); */
- o = gcvalue(&uvalue);
- goto reentry;
- }
- break;
- }
- case LUA_TLCL: {
- linkgclist(gco2lcl(o), g->gray);
- break;
- }
- case LUA_TCCL: {
- linkgclist(gco2ccl(o), g->gray);
- break;
- }
- case LUA_TTABLE: {
- linkgclist(gco2t(o), g->gray);
- break;
- }
- case LUA_TTHREAD: {
- linkgclist(gco2th(o), g->gray);
- break;
- }
- case LUA_TPROTO: {
- linkgclist(gco2p(o), g->gray);
- break;
- }
- default: lua_assert(0); break;
- }
-}
-
-
-/*
-** mark metamethods for basic types
-*/
-static void markmt (global_State *g) {
- int i;
- for (i=0; i < LUA_NUMTAGS; i++)
- markobjectN(g, g->mt[i]);
-}
-
-
-/*
-** mark all objects in list of being-finalized
-*/
-static void markbeingfnz (global_State *g) {
- GCObject *o;
- for (o = g->tobefnz; o != NULL; o = o->next)
- markobject(g, o);
-}
-
-
-/*
-** Mark all values stored in marked open upvalues from non-marked threads.
-** (Values from marked threads were already marked when traversing the
-** thread.) Remove from the list threads that no longer have upvalues and
-** not-marked threads.
-*/
-static void remarkupvals (global_State *g) {
- lua_State *thread;
- lua_State **p = &g->twups;
- while ((thread = *p) != NULL) {
- lua_assert(!isblack(thread)); /* threads are never black */
- if (isgray(thread) && thread->openupval != NULL)
- p = &thread->twups; /* keep marked thread with upvalues in the list */
- else { /* thread is not marked or without upvalues */
- UpVal *uv;
- *p = thread->twups; /* remove thread from the list */
- thread->twups = thread; /* mark that it is out of list */
- for (uv = thread->openupval; uv != NULL; uv = uv->u.open.next) {
- if (uv->u.open.touched) {
- markvalue(g, uv->v); /* remark upvalue's value */
- uv->u.open.touched = 0;
- }
- }
- }
- }
-}
-
-
-/*
-** mark root set and reset all gray lists, to start a new collection
-*/
-static void restartcollection (global_State *g) {
- g->gray = g->grayagain = NULL;
- g->weak = g->allweak = g->ephemeron = NULL;
- markobject(g, g->mainthread);
- markvalue(g, &g->l_registry);
- markmt(g);
- markbeingfnz(g); /* mark any finalizing object left from previous cycle */
-}
-
-/* }====================================================== */
-
-
-/*
-** {======================================================
-** Traverse functions
-** =======================================================
-*/
-
-/*
-** Traverse a table with weak values and link it to proper list. During
-** propagate phase, keep it in 'grayagain' list, to be revisited in the
-** atomic phase. In the atomic phase, if table has any white value,
-** put it in 'weak' list, to be cleared.
-*/
-static void traverseweakvalue (global_State *g, Table *h) {
- Node *n, *limit = gnodelast(h);
- /* if there is array part, assume it may have white values (it is not
- worth traversing it now just to check) */
- int hasclears = (h->sizearray > 0);
- for (n = gnode(h, 0); n < limit; n++) { /* traverse hash part */
- checkdeadkey(n);
- if (ttisnil(gval(n))) /* entry is empty? */
- removeentry(n); /* remove it */
- else {
- lua_assert(!ttisnil(gkey(n)));
- markvalue(g, gkey(n)); /* mark key */
- if (!hasclears && iscleared(g, gval(n))) /* is there a white value? */
- hasclears = 1; /* table will have to be cleared */
- }
- }
- if (g->gcstate == GCSpropagate)
- linkgclist(h, g->grayagain); /* must retraverse it in atomic phase */
- else if (hasclears)
- linkgclist(h, g->weak); /* has to be cleared later */
-}
-
-
-/*
-** Traverse an ephemeron table and link it to proper list. Returns true
-** iff any object was marked during this traversal (which implies that
-** convergence has to continue). During propagation phase, keep table
-** in 'grayagain' list, to be visited again in the atomic phase. In
-** the atomic phase, if table has any white->white entry, it has to
-** be revisited during ephemeron convergence (as that key may turn
-** black). Otherwise, if it has any white key, table has to be cleared
-** (in the atomic phase).
-*/
-static int traverseephemeron (global_State *g, Table *h) {
- int marked = 0; /* true if an object is marked in this traversal */
- int hasclears = 0; /* true if table has white keys */
- int hasww = 0; /* true if table has entry "white-key -> white-value" */
- Node *n, *limit = gnodelast(h);
- unsigned int i;
- /* traverse array part */
- for (i = 0; i < h->sizearray; i++) {
- if (valiswhite(&h->array[i])) {
- marked = 1;
- reallymarkobject(g, gcvalue(&h->array[i]));
- }
- }
- /* traverse hash part */
- for (n = gnode(h, 0); n < limit; n++) {
- checkdeadkey(n);
- if (ttisnil(gval(n))) /* entry is empty? */
- removeentry(n); /* remove it */
- else if (iscleared(g, gkey(n))) { /* key is not marked (yet)? */
- hasclears = 1; /* table must be cleared */
- if (valiswhite(gval(n))) /* value not marked yet? */
- hasww = 1; /* white-white entry */
- }
- else if (valiswhite(gval(n))) { /* value not marked yet? */
- marked = 1;
- reallymarkobject(g, gcvalue(gval(n))); /* mark it now */
- }
- }
- /* link table into proper list */
- if (g->gcstate == GCSpropagate)
- linkgclist(h, g->grayagain); /* must retraverse it in atomic phase */
- else if (hasww) /* table has white->white entries? */
- linkgclist(h, g->ephemeron); /* have to propagate again */
- else if (hasclears) /* table has white keys? */
- linkgclist(h, g->allweak); /* may have to clean white keys */
- return marked;
-}
-
-
-static void traversestrongtable (global_State *g, Table *h) {
- Node *n, *limit = gnodelast(h);
- unsigned int i;
- for (i = 0; i < h->sizearray; i++) /* traverse array part */
- markvalue(g, &h->array[i]);
- for (n = gnode(h, 0); n < limit; n++) { /* traverse hash part */
- checkdeadkey(n);
- if (ttisnil(gval(n))) /* entry is empty? */
- removeentry(n); /* remove it */
- else {
- lua_assert(!ttisnil(gkey(n)));
- markvalue(g, gkey(n)); /* mark key */
- markvalue(g, gval(n)); /* mark value */
- }
- }
-}
-
-
-static lu_mem traversetable (global_State *g, Table *h) {
- const char *weakkey, *weakvalue;
- const TValue *mode = gfasttm(g, h->metatable, TM_MODE);
- markobjectN(g, h->metatable);
- if (mode && ttisstring(mode) && /* is there a weak mode? */
- ((weakkey = strchr(svalue(mode), 'k')),
- (weakvalue = strchr(svalue(mode), 'v')),
- (weakkey || weakvalue))) { /* is really weak? */
- black2gray(h); /* keep table gray */
- if (!weakkey) /* strong keys? */
- traverseweakvalue(g, h);
- else if (!weakvalue) /* strong values? */
- traverseephemeron(g, h);
- else /* all weak */
- linkgclist(h, g->allweak); /* nothing to traverse now */
- }
- else /* not weak */
- traversestrongtable(g, h);
- return sizeof(Table) + sizeof(TValue) * h->sizearray +
- sizeof(Node) * cast(size_t, allocsizenode(h));
-}
-
-
-/*
-** Traverse a prototype. (While a prototype is being build, its
-** arrays can be larger than needed; the extra slots are filled with
-** NULL, so the use of 'markobjectN')
-*/
-static int traverseproto (global_State *g, Proto *f) {
- int i;
- if (f->cache && iswhite(f->cache))
- f->cache = NULL; /* allow cache to be collected */
- markobjectN(g, f->source);
- for (i = 0; i < f->sizek; i++) /* mark literals */
- markvalue(g, &f->k[i]);
- for (i = 0; i < f->sizeupvalues; i++) /* mark upvalue names */
- markobjectN(g, f->upvalues[i].name);
- for (i = 0; i < f->sizep; i++) /* mark nested protos */
- markobjectN(g, f->p[i]);
- for (i = 0; i < f->sizelocvars; i++) /* mark local-variable names */
- markobjectN(g, f->locvars[i].varname);
- return sizeof(Proto) + sizeof(Instruction) * f->sizecode +
- sizeof(Proto *) * f->sizep +
- sizeof(TValue) * f->sizek +
- sizeof(int) * f->sizelineinfo +
- sizeof(LocVar) * f->sizelocvars +
- sizeof(Upvaldesc) * f->sizeupvalues;
-}
-
-
-static lu_mem traverseCclosure (global_State *g, CClosure *cl) {
- int i;
- for (i = 0; i < cl->nupvalues; i++) /* mark its upvalues */
- markvalue(g, &cl->upvalue[i]);
- return sizeCclosure(cl->nupvalues);
-}
-
-/*
-** open upvalues point to values in a thread, so those values should
-** be marked when the thread is traversed except in the atomic phase
-** (because then the value cannot be changed by the thread and the
-** thread may not be traversed again)
-*/
-static lu_mem traverseLclosure (global_State *g, LClosure *cl) {
- int i;
- markobjectN(g, cl->p); /* mark its prototype */
- for (i = 0; i < cl->nupvalues; i++) { /* mark its upvalues */
- UpVal *uv = cl->upvals[i];
- if (uv != NULL) {
- if (upisopen(uv) && g->gcstate != GCSinsideatomic)
- uv->u.open.touched = 1; /* can be marked in 'remarkupvals' */
- else
- markvalue(g, uv->v);
- }
- }
- return sizeLclosure(cl->nupvalues);
-}
-
-
-static lu_mem traversethread (global_State *g, lua_State *th) {
- StkId o = th->stack;
- if (o == NULL)
- return 1; /* stack not completely built yet */
- lua_assert(g->gcstate == GCSinsideatomic ||
- th->openupval == NULL || isintwups(th));
- for (; o < th->top; o++) /* mark live elements in the stack */
- markvalue(g, o);
- if (g->gcstate == GCSinsideatomic) { /* final traversal? */
- StkId lim = th->stack + th->stacksize; /* real end of stack */
- for (; o < lim; o++) /* clear not-marked stack slice */
- setnilvalue(o);
- /* 'remarkupvals' may have removed thread from 'twups' list */
- if (!isintwups(th) && th->openupval != NULL) {
- th->twups = g->twups; /* link it back to the list */
- g->twups = th;
- }
- }
- else if (g->gckind != KGC_EMERGENCY)
- luaD_shrinkstack(th); /* do not change stack in emergency cycle */
- return (sizeof(lua_State) + sizeof(TValue) * th->stacksize +
- sizeof(CallInfo) * th->nci);
-}
-
-
-/*
-** traverse one gray object, turning it to black (except for threads,
-** which are always gray).
-*/
-static void propagatemark (global_State *g) {
- lu_mem size;
- GCObject *o = g->gray;
- lua_assert(isgray(o));
- gray2black(o);
- switch (o->tt) {
- case LUA_TTABLE: {
- Table *h = gco2t(o);
- g->gray = h->gclist; /* remove from 'gray' list */
- size = traversetable(g, h);
- break;
- }
- case LUA_TLCL: {
- LClosure *cl = gco2lcl(o);
- g->gray = cl->gclist; /* remove from 'gray' list */
- size = traverseLclosure(g, cl);
- break;
- }
- case LUA_TCCL: {
- CClosure *cl = gco2ccl(o);
- g->gray = cl->gclist; /* remove from 'gray' list */
- size = traverseCclosure(g, cl);
- break;
- }
- case LUA_TTHREAD: {
- lua_State *th = gco2th(o);
- g->gray = th->gclist; /* remove from 'gray' list */
- linkgclist(th, g->grayagain); /* insert into 'grayagain' list */
- black2gray(o);
- size = traversethread(g, th);
- break;
- }
- case LUA_TPROTO: {
- Proto *p = gco2p(o);
- g->gray = p->gclist; /* remove from 'gray' list */
- size = traverseproto(g, p);
- break;
- }
- default: lua_assert(0); return;
- }
- g->GCmemtrav += size;
-}
-
-
-static void propagateall (global_State *g) {
- while (g->gray) propagatemark(g);
-}
-
-
-static void convergeephemerons (global_State *g) {
- int changed;
- do {
- GCObject *w;
- GCObject *next = g->ephemeron; /* get ephemeron list */
- g->ephemeron = NULL; /* tables may return to this list when traversed */
- changed = 0;
- while ((w = next) != NULL) {
- next = gco2t(w)->gclist;
- if (traverseephemeron(g, gco2t(w))) { /* traverse marked some value? */
- propagateall(g); /* propagate changes */
- changed = 1; /* will have to revisit all ephemeron tables */
- }
- }
- } while (changed);
-}
-
-/* }====================================================== */
-
-
-/*
-** {======================================================
-** Sweep Functions
-** =======================================================
-*/
-
-
-/*
-** clear entries with unmarked keys from all weaktables in list 'l' up
-** to element 'f'
-*/
-static void clearkeys (global_State *g, GCObject *l, GCObject *f) {
- for (; l != f; l = gco2t(l)->gclist) {
- Table *h = gco2t(l);
- Node *n, *limit = gnodelast(h);
- for (n = gnode(h, 0); n < limit; n++) {
- if (!ttisnil(gval(n)) && (iscleared(g, gkey(n)))) {
- setnilvalue(gval(n)); /* remove value ... */
- }
- if (ttisnil(gval(n))) /* is entry empty? */
- removeentry(n); /* remove entry from table */
- }
- }
-}
-
-
-/*
-** clear entries with unmarked values from all weaktables in list 'l' up
-** to element 'f'
-*/
-static void clearvalues (global_State *g, GCObject *l, GCObject *f) {
- for (; l != f; l = gco2t(l)->gclist) {
- Table *h = gco2t(l);
- Node *n, *limit = gnodelast(h);
- unsigned int i;
- for (i = 0; i < h->sizearray; i++) {
- TValue *o = &h->array[i];
- if (iscleared(g, o)) /* value was collected? */
- setnilvalue(o); /* remove value */
- }
- for (n = gnode(h, 0); n < limit; n++) {
- if (!ttisnil(gval(n)) && iscleared(g, gval(n))) {
- setnilvalue(gval(n)); /* remove value ... */
- removeentry(n); /* and remove entry from table */
- }
- }
- }
-}
-
-
-void luaC_upvdeccount (lua_State *L, UpVal *uv) {
- lua_assert(uv->refcount > 0);
- uv->refcount--;
- if (uv->refcount == 0 && !upisopen(uv))
- luaM_free(L, uv);
-}
-
-
-static void freeLclosure (lua_State *L, LClosure *cl) {
- int i;
- for (i = 0; i < cl->nupvalues; i++) {
- UpVal *uv = cl->upvals[i];
- if (uv)
- luaC_upvdeccount(L, uv);
- }
- luaM_freemem(L, cl, sizeLclosure(cl->nupvalues));
-}
-
-
-static void freeobj (lua_State *L, GCObject *o) {
- switch (o->tt) {
- case LUA_TPROTO: luaF_freeproto(L, gco2p(o)); break;
- case LUA_TLCL: {
- freeLclosure(L, gco2lcl(o));
- break;
- }
- case LUA_TCCL: {
- luaM_freemem(L, o, sizeCclosure(gco2ccl(o)->nupvalues));
- break;
- }
- case LUA_TTABLE: luaH_free(L, gco2t(o)); break;
- case LUA_TTHREAD: luaE_freethread(L, gco2th(o)); break;
- case LUA_TUSERDATA: luaM_freemem(L, o, sizeudata(gco2u(o))); break;
- case LUA_TSHRSTR:
- luaS_remove(L, gco2ts(o)); /* remove it from hash table */
- luaM_freemem(L, o, sizelstring(gco2ts(o)->shrlen));
- break;
- case LUA_TLNGSTR: {
- luaM_freemem(L, o, sizelstring(gco2ts(o)->u.lnglen));
- break;
- }
- default: lua_assert(0);
- }
-}
-
-
-#define sweepwholelist(L,p) sweeplist(L,p,MAX_LUMEM)
-static GCObject **sweeplist (lua_State *L, GCObject **p, lu_mem count);
-
-
-/*
-** sweep at most 'count' elements from a list of GCObjects erasing dead
-** objects, where a dead object is one marked with the old (non current)
-** white; change all non-dead objects back to white, preparing for next
-** collection cycle. Return where to continue the traversal or NULL if
-** list is finished.
-*/
-static GCObject **sweeplist (lua_State *L, GCObject **p, lu_mem count) {
- global_State *g = G(L);
- int ow = otherwhite(g);
- int white = luaC_white(g); /* current white */
- while (*p != NULL && count-- > 0) {
- GCObject *curr = *p;
- int marked = curr->marked;
- if (isdeadm(ow, marked)) { /* is 'curr' dead? */
- *p = curr->next; /* remove 'curr' from list */
- freeobj(L, curr); /* erase 'curr' */
- }
- else { /* change mark to 'white' */
- curr->marked = cast_byte((marked & maskcolors) | white);
- p = &curr->next; /* go to next element */
- }
- }
- return (*p == NULL) ? NULL : p;
-}
-
-
-/*
-** sweep a list until a live object (or end of list)
-*/
-static GCObject **sweeptolive (lua_State *L, GCObject **p) {
- GCObject **old = p;
- do {
- p = sweeplist(L, p, 1);
- } while (p == old);
- return p;
-}
-
-/* }====================================================== */
-
-
-/*
-** {======================================================
-** Finalization
-** =======================================================
-*/
-
-/*
-** If possible, shrink string table
-*/
-static void checkSizes (lua_State *L, global_State *g) {
- if (g->gckind != KGC_EMERGENCY) {
- l_mem olddebt = g->GCdebt;
- if (g->strt.nuse < g->strt.size / 4) /* string table too big? */
- luaS_resize(L, g->strt.size / 2); /* shrink it a little */
- g->GCestimate += g->GCdebt - olddebt; /* update estimate */
- }
-}
-
-
-static GCObject *udata2finalize (global_State *g) {
- GCObject *o = g->tobefnz; /* get first element */
- lua_assert(tofinalize(o));
- g->tobefnz = o->next; /* remove it from 'tobefnz' list */
- o->next = g->allgc; /* return it to 'allgc' list */
- g->allgc = o;
- resetbit(o->marked, FINALIZEDBIT); /* object is "normal" again */
- if (issweepphase(g))
- makewhite(g, o); /* "sweep" object */
- return o;
-}
-
-
-static void dothecall (lua_State *L, void *ud) {
- UNUSED(ud);
- luaD_callnoyield(L, L->top - 2, 0);
-}
-
-
-static void GCTM (lua_State *L, int propagateerrors) {
- global_State *g = G(L);
- const TValue *tm;
- TValue v;
- setgcovalue(L, &v, udata2finalize(g));
- tm = luaT_gettmbyobj(L, &v, TM_GC);
- if (tm != NULL && ttisfunction(tm)) { /* is there a finalizer? */
- int status;
- lu_byte oldah = L->allowhook;
- int running = g->gcrunning;
- L->allowhook = 0; /* stop debug hooks during GC metamethod */
- g->gcrunning = 0; /* avoid GC steps */
- setobj2s(L, L->top, tm); /* push finalizer... */
- setobj2s(L, L->top + 1, &v); /* ... and its argument */
- L->top += 2; /* and (next line) call the finalizer */
- L->ci->callstatus |= CIST_FIN; /* will run a finalizer */
- status = luaD_pcall(L, dothecall, NULL, savestack(L, L->top - 2), 0);
- L->ci->callstatus &= ~CIST_FIN; /* not running a finalizer anymore */
- L->allowhook = oldah; /* restore hooks */
- g->gcrunning = running; /* restore state */
- if (status != LUA_OK && propagateerrors) { /* error while running __gc? */
- if (status == LUA_ERRRUN) { /* is there an error object? */
- const char *msg = (ttisstring(L->top - 1))
- ? svalue(L->top - 1)
- : "no message";
- luaO_pushfstring(L, "error in __gc metamethod (%s)", msg);
- status = LUA_ERRGCMM; /* error in __gc metamethod */
- }
- luaD_throw(L, status); /* re-throw error */
- }
- }
-}
-
-
-/*
-** call a few (up to 'g->gcfinnum') finalizers
-*/
-static int runafewfinalizers (lua_State *L) {
- global_State *g = G(L);
- unsigned int i;
- lua_assert(!g->tobefnz || g->gcfinnum > 0);
- for (i = 0; g->tobefnz && i < g->gcfinnum; i++)
- GCTM(L, 1); /* call one finalizer */
- g->gcfinnum = (!g->tobefnz) ? 0 /* nothing more to finalize? */
- : g->gcfinnum * 2; /* else call a few more next time */
- return i;
-}
-
-
-/*
-** call all pending finalizers
-*/
-static void callallpendingfinalizers (lua_State *L) {
- global_State *g = G(L);
- while (g->tobefnz)
- GCTM(L, 0);
-}
-
-
-/*
-** find last 'next' field in list 'p' list (to add elements in its end)
-*/
-static GCObject **findlast (GCObject **p) {
- while (*p != NULL)
- p = &(*p)->next;
- return p;
-}
-
-
-/*
-** move all unreachable objects (or 'all' objects) that need
-** finalization from list 'finobj' to list 'tobefnz' (to be finalized)
-*/
-static void separatetobefnz (global_State *g, int all) {
- GCObject *curr;
- GCObject **p = &g->finobj;
- GCObject **lastnext = findlast(&g->tobefnz);
- while ((curr = *p) != NULL) { /* traverse all finalizable objects */
- lua_assert(tofinalize(curr));
- if (!(iswhite(curr) || all)) /* not being collected? */
- p = &curr->next; /* don't bother with it */
- else {
- *p = curr->next; /* remove 'curr' from 'finobj' list */
- curr->next = *lastnext; /* link at the end of 'tobefnz' list */
- *lastnext = curr;
- lastnext = &curr->next;
- }
- }
-}
-
-
-/*
-** if object 'o' has a finalizer, remove it from 'allgc' list (must
-** search the list to find it) and link it in 'finobj' list.
-*/
-void luaC_checkfinalizer (lua_State *L, GCObject *o, Table *mt) {
- global_State *g = G(L);
- if (tofinalize(o) || /* obj. is already marked... */
- gfasttm(g, mt, TM_GC) == NULL) /* or has no finalizer? */
- return; /* nothing to be done */
- else { /* move 'o' to 'finobj' list */
- GCObject **p;
- if (issweepphase(g)) {
- makewhite(g, o); /* "sweep" object 'o' */
- if (g->sweepgc == &o->next) /* should not remove 'sweepgc' object */
- g->sweepgc = sweeptolive(L, g->sweepgc); /* change 'sweepgc' */
- }
- /* search for pointer pointing to 'o' */
- for (p = &g->allgc; *p != o; p = &(*p)->next) { /* empty */ }
- *p = o->next; /* remove 'o' from 'allgc' list */
- o->next = g->finobj; /* link it in 'finobj' list */
- g->finobj = o;
- l_setbit(o->marked, FINALIZEDBIT); /* mark it as such */
- }
-}
-
-/* }====================================================== */
-
-
-
-/*
-** {======================================================
-** GC control
-** =======================================================
-*/
-
-
-/*
-** Set a reasonable "time" to wait before starting a new GC cycle; cycle
-** will start when memory use hits threshold. (Division by 'estimate'
-** should be OK: it cannot be zero (because Lua cannot even start with
-** less than PAUSEADJ bytes).
-*/
-static void setpause (global_State *g) {
- l_mem threshold, debt;
- l_mem estimate = g->GCestimate / PAUSEADJ; /* adjust 'estimate' */
- lua_assert(estimate > 0);
- threshold = (g->gcpause < MAX_LMEM / estimate) /* overflow? */
- ? estimate * g->gcpause /* no overflow */
- : MAX_LMEM; /* overflow; truncate to maximum */
- debt = gettotalbytes(g) - threshold;
- luaE_setdebt(g, debt);
-}
-
-
-/*
-** Enter first sweep phase.
-** The call to 'sweeplist' tries to make pointer point to an object
-** inside the list (instead of to the header), so that the real sweep do
-** not need to skip objects created between "now" and the start of the
-** real sweep.
-*/
-static void entersweep (lua_State *L) {
- global_State *g = G(L);
- g->gcstate = GCSswpallgc;
- lua_assert(g->sweepgc == NULL);
- g->sweepgc = sweeplist(L, &g->allgc, 1);
-}
-
-
-void luaC_freeallobjects (lua_State *L) {
- global_State *g = G(L);
- separatetobefnz(g, 1); /* separate all objects with finalizers */
- lua_assert(g->finobj == NULL);
- callallpendingfinalizers(L);
- lua_assert(g->tobefnz == NULL);
- g->currentwhite = WHITEBITS; /* this "white" makes all objects look dead */
- g->gckind = KGC_NORMAL;
- sweepwholelist(L, &g->finobj);
- sweepwholelist(L, &g->allgc);
- sweepwholelist(L, &g->fixedgc); /* collect fixed objects */
- lua_assert(g->strt.nuse == 0);
-}
-
-
-static l_mem atomic (lua_State *L) {
- global_State *g = G(L);
- l_mem work;
- GCObject *origweak, *origall;
- GCObject *grayagain = g->grayagain; /* save original list */
- lua_assert(g->ephemeron == NULL && g->weak == NULL);
- lua_assert(!iswhite(g->mainthread));
- g->gcstate = GCSinsideatomic;
- g->GCmemtrav = 0; /* start counting work */
- markobject(g, L); /* mark running thread */
- /* registry and global metatables may be changed by API */
- markvalue(g, &g->l_registry);
- markmt(g); /* mark global metatables */
- /* remark occasional upvalues of (maybe) dead threads */
- remarkupvals(g);
- propagateall(g); /* propagate changes */
- work = g->GCmemtrav; /* stop counting (do not recount 'grayagain') */
- g->gray = grayagain;
- propagateall(g); /* traverse 'grayagain' list */
- g->GCmemtrav = 0; /* restart counting */
- convergeephemerons(g);
- /* at this point, all strongly accessible objects are marked. */
- /* Clear values from weak tables, before checking finalizers */
- clearvalues(g, g->weak, NULL);
- clearvalues(g, g->allweak, NULL);
- origweak = g->weak; origall = g->allweak;
- work += g->GCmemtrav; /* stop counting (objects being finalized) */
- separatetobefnz(g, 0); /* separate objects to be finalized */
- g->gcfinnum = 1; /* there may be objects to be finalized */
- markbeingfnz(g); /* mark objects that will be finalized */
- propagateall(g); /* remark, to propagate 'resurrection' */
- g->GCmemtrav = 0; /* restart counting */
- convergeephemerons(g);
- /* at this point, all resurrected objects are marked. */
- /* remove dead objects from weak tables */
- clearkeys(g, g->ephemeron, NULL); /* clear keys from all ephemeron tables */
- clearkeys(g, g->allweak, NULL); /* clear keys from all 'allweak' tables */
- /* clear values from resurrected weak tables */
- clearvalues(g, g->weak, origweak);
- clearvalues(g, g->allweak, origall);
- luaS_clearcache(g);
- g->currentwhite = cast_byte(otherwhite(g)); /* flip current white */
- work += g->GCmemtrav; /* complete counting */
- return work; /* estimate of memory marked by 'atomic' */
-}
-
-
-static lu_mem sweepstep (lua_State *L, global_State *g,
- int nextstate, GCObject **nextlist) {
- if (g->sweepgc) {
- l_mem olddebt = g->GCdebt;
- g->sweepgc = sweeplist(L, g->sweepgc, GCSWEEPMAX);
- g->GCestimate += g->GCdebt - olddebt; /* update estimate */
- if (g->sweepgc) /* is there still something to sweep? */
- return (GCSWEEPMAX * GCSWEEPCOST);
- }
- /* else enter next state */
- g->gcstate = nextstate;
- g->sweepgc = nextlist;
- return 0;
-}
-
-
-static lu_mem singlestep (lua_State *L) {
- global_State *g = G(L);
- switch (g->gcstate) {
- case GCSpause: {
- g->GCmemtrav = g->strt.size * sizeof(GCObject*);
- restartcollection(g);
- g->gcstate = GCSpropagate;
- return g->GCmemtrav;
- }
- case GCSpropagate: {
- g->GCmemtrav = 0;
- lua_assert(g->gray);
- propagatemark(g);
- if (g->gray == NULL) /* no more gray objects? */
- g->gcstate = GCSatomic; /* finish propagate phase */
- return g->GCmemtrav; /* memory traversed in this step */
- }
- case GCSatomic: {
- lu_mem work;
- propagateall(g); /* make sure gray list is empty */
- work = atomic(L); /* work is what was traversed by 'atomic' */
- entersweep(L);
- g->GCestimate = gettotalbytes(g); /* first estimate */;
- return work;
- }
- case GCSswpallgc: { /* sweep "regular" objects */
- return sweepstep(L, g, GCSswpfinobj, &g->finobj);
- }
- case GCSswpfinobj: { /* sweep objects with finalizers */
- return sweepstep(L, g, GCSswptobefnz, &g->tobefnz);
- }
- case GCSswptobefnz: { /* sweep objects to be finalized */
- return sweepstep(L, g, GCSswpend, NULL);
- }
- case GCSswpend: { /* finish sweeps */
- makewhite(g, g->mainthread); /* sweep main thread */
- checkSizes(L, g);
- g->gcstate = GCScallfin;
- return 0;
- }
- case GCScallfin: { /* call remaining finalizers */
- if (g->tobefnz && g->gckind != KGC_EMERGENCY) {
- int n = runafewfinalizers(L);
- return (n * GCFINALIZECOST);
- }
- else { /* emergency mode or no more finalizers */
- g->gcstate = GCSpause; /* finish collection */
- return 0;
- }
- }
- default: lua_assert(0); return 0;
- }
-}
-
-
-/*
-** advances the garbage collector until it reaches a state allowed
-** by 'statemask'
-*/
-void luaC_runtilstate (lua_State *L, int statesmask) {
- global_State *g = G(L);
- while (!testbit(statesmask, g->gcstate))
- singlestep(L);
-}
-
-
-/*
-** get GC debt and convert it from Kb to 'work units' (avoid zero debt
-** and overflows)
-*/
-static l_mem getdebt (global_State *g) {
- l_mem debt = g->GCdebt;
- int stepmul = g->gcstepmul;
- if (debt <= 0) return 0; /* minimal debt */
- else {
- debt = (debt / STEPMULADJ) + 1;
- debt = (debt < MAX_LMEM / stepmul) ? debt * stepmul : MAX_LMEM;
- return debt;
- }
-}
-
-/*
-** performs a basic GC step when collector is running
-*/
-void luaC_step (lua_State *L) {
- global_State *g = G(L);
- l_mem debt = getdebt(g); /* GC deficit (be paid now) */
- if (!g->gcrunning) { /* not running? */
- luaE_setdebt(g, -GCSTEPSIZE * 10); /* avoid being called too often */
- return;
- }
- do { /* repeat until pause or enough "credit" (negative debt) */
- lu_mem work = singlestep(L); /* perform one single step */
- debt -= work;
- } while (debt > -GCSTEPSIZE && g->gcstate != GCSpause);
- if (g->gcstate == GCSpause)
- setpause(g); /* pause until next cycle */
- else {
- debt = (debt / g->gcstepmul) * STEPMULADJ; /* convert 'work units' to Kb */
- luaE_setdebt(g, debt);
- runafewfinalizers(L);
- }
-}
-
-
-/*
-** Performs a full GC cycle; if 'isemergency', set a flag to avoid
-** some operations which could change the interpreter state in some
-** unexpected ways (running finalizers and shrinking some structures).
-** Before running the collection, check 'keepinvariant'; if it is true,
-** there may be some objects marked as black, so the collector has
-** to sweep all objects to turn them back to white (as white has not
-** changed, nothing will be collected).
-*/
-void luaC_fullgc (lua_State *L, int isemergency) {
- global_State *g = G(L);
- lua_assert(g->gckind == KGC_NORMAL);
- if (isemergency) g->gckind = KGC_EMERGENCY; /* set flag */
- if (keepinvariant(g)) { /* black objects? */
- entersweep(L); /* sweep everything to turn them back to white */
- }
- /* finish any pending sweep phase to start a new cycle */
- luaC_runtilstate(L, bitmask(GCSpause));
- luaC_runtilstate(L, ~bitmask(GCSpause)); /* start new collection */
- luaC_runtilstate(L, bitmask(GCScallfin)); /* run up to finalizers */
- /* estimate must be correct after a full GC cycle */
- lua_assert(g->GCestimate == gettotalbytes(g));
- luaC_runtilstate(L, bitmask(GCSpause)); /* finish collection */
- g->gckind = KGC_NORMAL;
- setpause(g);
-}
-
-/* }====================================================== */
-
-
diff --git a/Build/source/libs/lua53/lua53-src/src/lgc.h b/Build/source/libs/lua53/lua53-src/src/lgc.h
deleted file mode 100644
index 425cd7cef34..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/lgc.h
+++ /dev/null
@@ -1,147 +0,0 @@
-/*
-** $Id: lgc.h,v 2.91.1.1 2017/04/19 17:39:34 roberto Exp $
-** Garbage Collector
-** See Copyright Notice in lua.h
-*/
-
-#ifndef lgc_h
-#define lgc_h
-
-
-#include "lobject.h"
-#include "lstate.h"
-
-/*
-** Collectable objects may have one of three colors: white, which
-** means the object is not marked; gray, which means the
-** object is marked, but its references may be not marked; and
-** black, which means that the object and all its references are marked.
-** The main invariant of the garbage collector, while marking objects,
-** is that a black object can never point to a white one. Moreover,
-** any gray object must be in a "gray list" (gray, grayagain, weak,
-** allweak, ephemeron) so that it can be visited again before finishing
-** the collection cycle. These lists have no meaning when the invariant
-** is not being enforced (e.g., sweep phase).
-*/
-
-
-
-/* how much to allocate before next GC step */
-#if !defined(GCSTEPSIZE)
-/* ~100 small strings */
-#define GCSTEPSIZE (cast_int(100 * sizeof(TString)))
-#endif
-
-
-/*
-** Possible states of the Garbage Collector
-*/
-#define GCSpropagate 0
-#define GCSatomic 1
-#define GCSswpallgc 2
-#define GCSswpfinobj 3
-#define GCSswptobefnz 4
-#define GCSswpend 5
-#define GCScallfin 6
-#define GCSpause 7
-
-
-#define issweepphase(g) \
- (GCSswpallgc <= (g)->gcstate && (g)->gcstate <= GCSswpend)
-
-
-/*
-** macro to tell when main invariant (white objects cannot point to black
-** ones) must be kept. During a collection, the sweep
-** phase may break the invariant, as objects turned white may point to
-** still-black objects. The invariant is restored when sweep ends and
-** all objects are white again.
-*/
-
-#define keepinvariant(g) ((g)->gcstate <= GCSatomic)
-
-
-/*
-** some useful bit tricks
-*/
-#define resetbits(x,m) ((x) &= cast(lu_byte, ~(m)))
-#define setbits(x,m) ((x) |= (m))
-#define testbits(x,m) ((x) & (m))
-#define bitmask(b) (1<<(b))
-#define bit2mask(b1,b2) (bitmask(b1) | bitmask(b2))
-#define l_setbit(x,b) setbits(x, bitmask(b))
-#define resetbit(x,b) resetbits(x, bitmask(b))
-#define testbit(x,b) testbits(x, bitmask(b))
-
-
-/* Layout for bit use in 'marked' field: */
-#define WHITE0BIT 0 /* object is white (type 0) */
-#define WHITE1BIT 1 /* object is white (type 1) */
-#define BLACKBIT 2 /* object is black */
-#define FINALIZEDBIT 3 /* object has been marked for finalization */
-/* bit 7 is currently used by tests (luaL_checkmemory) */
-
-#define WHITEBITS bit2mask(WHITE0BIT, WHITE1BIT)
-
-
-#define iswhite(x) testbits((x)->marked, WHITEBITS)
-#define isblack(x) testbit((x)->marked, BLACKBIT)
-#define isgray(x) /* neither white nor black */ \
- (!testbits((x)->marked, WHITEBITS | bitmask(BLACKBIT)))
-
-#define tofinalize(x) testbit((x)->marked, FINALIZEDBIT)
-
-#define otherwhite(g) ((g)->currentwhite ^ WHITEBITS)
-#define isdeadm(ow,m) (!(((m) ^ WHITEBITS) & (ow)))
-#define isdead(g,v) isdeadm(otherwhite(g), (v)->marked)
-
-#define changewhite(x) ((x)->marked ^= WHITEBITS)
-#define gray2black(x) l_setbit((x)->marked, BLACKBIT)
-
-#define luaC_white(g) cast(lu_byte, (g)->currentwhite & WHITEBITS)
-
-
-/*
-** Does one step of collection when debt becomes positive. 'pre'/'pos'
-** allows some adjustments to be done only when needed. macro
-** 'condchangemem' is used only for heavy tests (forcing a full
-** GC cycle on every opportunity)
-*/
-#define luaC_condGC(L,pre,pos) \
- { if (G(L)->GCdebt > 0) { pre; luaC_step(L); pos;}; \
- condchangemem(L,pre,pos); }
-
-/* more often than not, 'pre'/'pos' are empty */
-#define luaC_checkGC(L) luaC_condGC(L,(void)0,(void)0)
-
-
-#define luaC_barrier(L,p,v) ( \
- (iscollectable(v) && isblack(p) && iswhite(gcvalue(v))) ? \
- luaC_barrier_(L,obj2gco(p),gcvalue(v)) : cast_void(0))
-
-#define luaC_barrierback(L,p,v) ( \
- (iscollectable(v) && isblack(p) && iswhite(gcvalue(v))) ? \
- luaC_barrierback_(L,p) : cast_void(0))
-
-#define luaC_objbarrier(L,p,o) ( \
- (isblack(p) && iswhite(o)) ? \
- luaC_barrier_(L,obj2gco(p),obj2gco(o)) : cast_void(0))
-
-#define luaC_upvalbarrier(L,uv) ( \
- (iscollectable((uv)->v) && !upisopen(uv)) ? \
- luaC_upvalbarrier_(L,uv) : cast_void(0))
-
-LUAI_FUNC void luaC_fix (lua_State *L, GCObject *o);
-LUAI_FUNC void luaC_freeallobjects (lua_State *L);
-LUAI_FUNC void luaC_step (lua_State *L);
-LUAI_FUNC void luaC_runtilstate (lua_State *L, int statesmask);
-LUAI_FUNC void luaC_fullgc (lua_State *L, int isemergency);
-LUAI_FUNC GCObject *luaC_newobj (lua_State *L, int tt, size_t sz);
-LUAI_FUNC void luaC_barrier_ (lua_State *L, GCObject *o, GCObject *v);
-LUAI_FUNC void luaC_barrierback_ (lua_State *L, Table *o);
-LUAI_FUNC void luaC_upvalbarrier_ (lua_State *L, UpVal *uv);
-LUAI_FUNC void luaC_checkfinalizer (lua_State *L, GCObject *o, Table *mt);
-LUAI_FUNC void luaC_upvdeccount (lua_State *L, UpVal *uv);
-
-
-#endif
diff --git a/Build/source/libs/lua53/lua53-src/src/linit.c b/Build/source/libs/lua53/lua53-src/src/linit.c
deleted file mode 100644
index 480da52c7e5..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/linit.c
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
-** $Id: linit.c,v 1.39.1.1 2017/04/19 17:20:42 roberto Exp $
-** Initialization of libraries for lua.c and other clients
-** See Copyright Notice in lua.h
-*/
-
-
-#define linit_c
-#define LUA_LIB
-
-/*
-** If you embed Lua in your program and need to open the standard
-** libraries, call luaL_openlibs in your program. If you need a
-** different set of libraries, copy this file to your project and edit
-** it to suit your needs.
-**
-** You can also *preload* libraries, so that a later 'require' can
-** open the library, which is already linked to the application.
-** For that, do the following code:
-**
-** luaL_getsubtable(L, LUA_REGISTRYINDEX, LUA_PRELOAD_TABLE);
-** lua_pushcfunction(L, luaopen_modname);
-** lua_setfield(L, -2, modname);
-** lua_pop(L, 1); // remove PRELOAD table
-*/
-
-#include "lprefix.h"
-
-
-#include <stddef.h>
-
-#include "lua.h"
-
-#include "lualib.h"
-#include "lauxlib.h"
-
-
-/*
-** these libs are loaded by lua.c and are readily available to any Lua
-** program
-*/
-static const luaL_Reg loadedlibs[] = {
- {"_G", luaopen_base},
- {LUA_LOADLIBNAME, luaopen_package},
- {LUA_COLIBNAME, luaopen_coroutine},
- {LUA_TABLIBNAME, luaopen_table},
- {LUA_IOLIBNAME, luaopen_io},
- {LUA_OSLIBNAME, luaopen_os},
- {LUA_STRLIBNAME, luaopen_string},
- {LUA_MATHLIBNAME, luaopen_math},
- {LUA_UTF8LIBNAME, luaopen_utf8},
- {LUA_DBLIBNAME, luaopen_debug},
-#if defined(LUA_COMPAT_BITLIB)
- {LUA_BITLIBNAME, luaopen_bit32},
-#endif
- {NULL, NULL}
-};
-
-
-LUALIB_API void luaL_openlibs (lua_State *L) {
- const luaL_Reg *lib;
- /* "require" functions from 'loadedlibs' and set results to global table */
- for (lib = loadedlibs; lib->func; lib++) {
- luaL_requiref(L, lib->name, lib->func, 1);
- lua_pop(L, 1); /* remove lib */
- }
-}
-
diff --git a/Build/source/libs/lua53/lua53-src/src/liolib.c b/Build/source/libs/lua53/lua53-src/src/liolib.c
deleted file mode 100644
index 62b18f075b7..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/liolib.c
+++ /dev/null
@@ -1,781 +0,0 @@
-/*
-** $Id: liolib.c,v 2.151.1.1 2017/04/19 17:29:57 roberto Exp $
-** Standard I/O (and system) library
-** See Copyright Notice in lua.h
-*/
-
-#define liolib_c
-#define LUA_LIB
-
-#include "lprefix.h"
-
-
-#include <ctype.h>
-#include <errno.h>
-#include <locale.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#if defined(HAVE_UNISTD_H)
-#include <unistd.h>
-#endif
-
-#include "lua.h"
-
-#include "lauxlib.h"
-#include "lualib.h"
-
-
-
-
-/*
-** Change this macro to accept other modes for 'fopen' besides
-** the standard ones.
-*/
-#if !defined(l_checkmode)
-
-/* accepted extensions to 'mode' in 'fopen' */
-#if !defined(L_MODEEXT)
-#define L_MODEEXT "b"
-#endif
-
-/* Check whether 'mode' matches '[rwa]%+?[L_MODEEXT]*' */
-static int l_checkmode (const char *mode) {
- return (*mode != '\0' && strchr("rwa", *(mode++)) != NULL &&
- (*mode != '+' || (++mode, 1)) && /* skip if char is '+' */
- (strspn(mode, L_MODEEXT) == strlen(mode))); /* check extensions */
-}
-
-#endif
-
-/*
-** {======================================================
-** l_popen spawns a new process connected to the current
-** one through the file streams.
-** =======================================================
-*/
-
-#if !defined(l_popen) /* { */
-
-#if defined(LUA_USE_POSIX) /* { */
-
-#define l_popen(L,c,m) (fflush(NULL), popen(c,m))
-#define l_pclose(L,file) (pclose(file))
-
-#elif defined(LUA_USE_WINDOWS) /* }{ */
-
-#define l_popen(L,c,m) (_popen(c,m))
-#define l_pclose(L,file) (_pclose(file))
-
-#else /* }{ */
-
-/* ISO C definitions */
-#define l_popen(L,c,m) \
- ((void)((void)c, m), \
- luaL_error(L, "'popen' not supported"), \
- (FILE*)0)
-#define l_pclose(L,file) ((void)L, (void)file, -1)
-
-#endif /* } */
-
-#endif /* } */
-
-/* }====================================================== */
-
-
-#if !defined(l_getc) /* { */
-
-#if defined(LUA_USE_POSIX)
-#define l_getc(f) getc_unlocked(f)
-#define l_lockfile(f) flockfile(f)
-#define l_unlockfile(f) funlockfile(f)
-#else
-#define l_getc(f) getc(f)
-#define l_lockfile(f) ((void)0)
-#define l_unlockfile(f) ((void)0)
-#endif
-
-#endif /* } */
-
-
-/*
-** {======================================================
-** l_fseek: configuration for longer offsets
-** =======================================================
-*/
-
-#if !defined(l_fseek) /* { */
-
-#if defined(LUA_USE_POSIX) /* { */
-
-#include <sys/types.h>
-
-#define l_fseek(f,o,w) fseeko(f,o,w)
-#define l_ftell(f) ftello(f)
-#define l_seeknum off_t
-
-#elif defined(LUA_USE_WINDOWS) && !defined(_CRTIMP_TYPEINFO) \
- && defined(_MSC_VER) && (_MSC_VER >= 1400) /* }{ */
-
-/* Windows (but not DDK) and Visual C++ 2005 or higher */
-#define l_fseek(f,o,w) _fseeki64(f,o,w)
-#define l_ftell(f) _ftelli64(f)
-#define l_seeknum __int64
-
-#else /* }{ */
-
-/* ISO C definitions */
-#define l_fseek(f,o,w) fseek(f,o,w)
-#define l_ftell(f) ftell(f)
-#define l_seeknum long
-
-#endif /* } */
-
-#endif /* } */
-
-/* }====================================================== */
-
-
-#define IO_PREFIX "_IO_"
-#define IOPREF_LEN (sizeof(IO_PREFIX)/sizeof(char) - 1)
-#define IO_INPUT (IO_PREFIX "input")
-#define IO_OUTPUT (IO_PREFIX "output")
-
-
-typedef luaL_Stream LStream;
-
-
-#define tolstream(L) ((LStream *)luaL_checkudata(L, 1, LUA_FILEHANDLE))
-
-#define isclosed(p) ((p)->closef == NULL)
-
-
-static int io_type (lua_State *L) {
- LStream *p;
- luaL_checkany(L, 1);
- p = (LStream *)luaL_testudata(L, 1, LUA_FILEHANDLE);
- if (p == NULL)
- lua_pushnil(L); /* not a file */
- else if (isclosed(p))
- lua_pushliteral(L, "closed file");
- else
- lua_pushliteral(L, "file");
- return 1;
-}
-
-
-static int f_tostring (lua_State *L) {
- LStream *p = tolstream(L);
- if (isclosed(p))
- lua_pushliteral(L, "file (closed)");
- else
- lua_pushfstring(L, "file (%p)", p->f);
- return 1;
-}
-
-
-static FILE *tofile (lua_State *L) {
- LStream *p = tolstream(L);
- if (isclosed(p))
- luaL_error(L, "attempt to use a closed file");
- lua_assert(p->f);
- return p->f;
-}
-
-
-/*
-** When creating file handles, always creates a 'closed' file handle
-** before opening the actual file; so, if there is a memory error, the
-** handle is in a consistent state.
-*/
-static LStream *newprefile (lua_State *L) {
- LStream *p = (LStream *)lua_newuserdata(L, sizeof(LStream));
- p->closef = NULL; /* mark file handle as 'closed' */
- luaL_setmetatable(L, LUA_FILEHANDLE);
- return p;
-}
-
-
-/*
-** Calls the 'close' function from a file handle. The 'volatile' avoids
-** a bug in some versions of the Clang compiler (e.g., clang 3.0 for
-** 32 bits).
-*/
-static int aux_close (lua_State *L) {
- LStream *p = tolstream(L);
- volatile lua_CFunction cf = p->closef;
- p->closef = NULL; /* mark stream as closed */
- return (*cf)(L); /* close it */
-}
-
-
-static int f_close (lua_State *L) {
- tofile(L); /* make sure argument is an open stream */
- return aux_close(L);
-}
-
-
-static int io_close (lua_State *L) {
- if (lua_isnone(L, 1)) /* no argument? */
- lua_getfield(L, LUA_REGISTRYINDEX, IO_OUTPUT); /* use standard output */
- return f_close(L);
-}
-
-
-static int f_gc (lua_State *L) {
- LStream *p = tolstream(L);
- if (!isclosed(p) && p->f != NULL)
- aux_close(L); /* ignore closed and incompletely open files */
- return 0;
-}
-
-
-/*
-** function to close regular files
-*/
-static int io_fclose (lua_State *L) {
- LStream *p = tolstream(L);
- int res = fclose(p->f);
- return luaL_fileresult(L, (res == 0), NULL);
-}
-
-
-static LStream *newfile (lua_State *L) {
- LStream *p = newprefile(L);
- p->f = NULL;
- p->closef = &io_fclose;
- return p;
-}
-
-
-static void opencheck (lua_State *L, const char *fname, const char *mode) {
- LStream *p = newfile(L);
- p->f = fopen(fname, mode);
- if (p->f == NULL)
- luaL_error(L, "cannot open file '%s' (%s)", fname, strerror(errno));
-}
-
-
-static int io_open (lua_State *L) {
- const char *filename = luaL_checkstring(L, 1);
- const char *mode = luaL_optstring(L, 2, "r");
- LStream *p = newfile(L);
- const char *md = mode; /* to traverse/check mode */
- luaL_argcheck(L, l_checkmode(md), 2, "invalid mode");
- p->f = fopen(filename, mode);
- return (p->f == NULL) ? luaL_fileresult(L, 0, filename) : 1;
-}
-
-
-/*
-** function to close 'popen' files
-*/
-static int io_pclose (lua_State *L) {
- LStream *p = tolstream(L);
- return luaL_execresult(L, l_pclose(L, p->f));
-}
-
-
-static int io_popen (lua_State *L) {
- const char *filename = luaL_checkstring(L, 1);
- const char *mode = luaL_optstring(L, 2, "r");
- LStream *p = newprefile(L);
- luaL_argcheck(L, ((mode[0] == 'r' || mode[0] == 'w') && mode[1] == '\0'),
- 2, "invalid mode");
- p->f = l_popen(L, filename, mode);
- p->closef = &io_pclose;
- return (p->f == NULL) ? luaL_fileresult(L, 0, filename) : 1;
-}
-
-
-static int io_tmpfile (lua_State *L) {
- LStream *p = newfile(L);
- p->f = tmpfile();
- return (p->f == NULL) ? luaL_fileresult(L, 0, NULL) : 1;
-}
-
-
-static FILE *getiofile (lua_State *L, const char *findex) {
- LStream *p;
- lua_getfield(L, LUA_REGISTRYINDEX, findex);
- p = (LStream *)lua_touserdata(L, -1);
- if (isclosed(p))
- luaL_error(L, "standard %s file is closed", findex + IOPREF_LEN);
- return p->f;
-}
-
-
-static int g_iofile (lua_State *L, const char *f, const char *mode) {
- if (!lua_isnoneornil(L, 1)) {
- const char *filename = lua_tostring(L, 1);
- if (filename)
- opencheck(L, filename, mode);
- else {
- tofile(L); /* check that it's a valid file handle */
- lua_pushvalue(L, 1);
- }
- lua_setfield(L, LUA_REGISTRYINDEX, f);
- }
- /* return current value */
- lua_getfield(L, LUA_REGISTRYINDEX, f);
- return 1;
-}
-
-
-static int io_input (lua_State *L) {
- return g_iofile(L, IO_INPUT, "r");
-}
-
-
-static int io_output (lua_State *L) {
- return g_iofile(L, IO_OUTPUT, "w");
-}
-
-
-static int io_readline (lua_State *L);
-
-
-/*
-** maximum number of arguments to 'f:lines'/'io.lines' (it + 3 must fit
-** in the limit for upvalues of a closure)
-*/
-#define MAXARGLINE 250
-
-static void aux_lines (lua_State *L, int toclose) {
- int n = lua_gettop(L) - 1; /* number of arguments to read */
- luaL_argcheck(L, n <= MAXARGLINE, MAXARGLINE + 2, "too many arguments");
- lua_pushinteger(L, n); /* number of arguments to read */
- lua_pushboolean(L, toclose); /* close/not close file when finished */
- lua_rotate(L, 2, 2); /* move 'n' and 'toclose' to their positions */
- lua_pushcclosure(L, io_readline, 3 + n);
-}
-
-
-static int f_lines (lua_State *L) {
- tofile(L); /* check that it's a valid file handle */
- aux_lines(L, 0);
- return 1;
-}
-
-
-static int io_lines (lua_State *L) {
- int toclose;
- if (lua_isnone(L, 1)) lua_pushnil(L); /* at least one argument */
- if (lua_isnil(L, 1)) { /* no file name? */
- lua_getfield(L, LUA_REGISTRYINDEX, IO_INPUT); /* get default input */
- lua_replace(L, 1); /* put it at index 1 */
- tofile(L); /* check that it's a valid file handle */
- toclose = 0; /* do not close it after iteration */
- }
- else { /* open a new file */
- const char *filename = luaL_checkstring(L, 1);
- opencheck(L, filename, "r");
- lua_replace(L, 1); /* put file at index 1 */
- toclose = 1; /* close it after iteration */
- }
- aux_lines(L, toclose);
- return 1;
-}
-
-
-/*
-** {======================================================
-** READ
-** =======================================================
-*/
-
-
-/* maximum length of a numeral */
-#if !defined (L_MAXLENNUM)
-#define L_MAXLENNUM 200
-#endif
-
-
-/* auxiliary structure used by 'read_number' */
-typedef struct {
- FILE *f; /* file being read */
- int c; /* current character (look ahead) */
- int n; /* number of elements in buffer 'buff' */
- char buff[L_MAXLENNUM + 1]; /* +1 for ending '\0' */
-} RN;
-
-
-/*
-** Add current char to buffer (if not out of space) and read next one
-*/
-static int nextc (RN *rn) {
- if (rn->n >= L_MAXLENNUM) { /* buffer overflow? */
- rn->buff[0] = '\0'; /* invalidate result */
- return 0; /* fail */
- }
- else {
- rn->buff[rn->n++] = rn->c; /* save current char */
- rn->c = l_getc(rn->f); /* read next one */
- return 1;
- }
-}
-
-
-/*
-** Accept current char if it is in 'set' (of size 2)
-*/
-static int test2 (RN *rn, const char *set) {
- if (rn->c == set[0] || rn->c == set[1])
- return nextc(rn);
- else return 0;
-}
-
-
-/*
-** Read a sequence of (hex)digits
-*/
-static int readdigits (RN *rn, int hex) {
- int count = 0;
- while ((hex ? isxdigit(rn->c) : isdigit(rn->c)) && nextc(rn))
- count++;
- return count;
-}
-
-
-/*
-** Read a number: first reads a valid prefix of a numeral into a buffer.
-** Then it calls 'lua_stringtonumber' to check whether the format is
-** correct and to convert it to a Lua number
-*/
-static int read_number (lua_State *L, FILE *f) {
- RN rn;
- int count = 0;
- int hex = 0;
- char decp[2];
- rn.f = f; rn.n = 0;
- decp[0] = lua_getlocaledecpoint(); /* get decimal point from locale */
- decp[1] = '.'; /* always accept a dot */
- l_lockfile(rn.f);
- do { rn.c = l_getc(rn.f); } while (isspace(rn.c)); /* skip spaces */
- test2(&rn, "-+"); /* optional signal */
- if (test2(&rn, "00")) {
- if (test2(&rn, "xX")) hex = 1; /* numeral is hexadecimal */
- else count = 1; /* count initial '0' as a valid digit */
- }
- count += readdigits(&rn, hex); /* integral part */
- if (test2(&rn, decp)) /* decimal point? */
- count += readdigits(&rn, hex); /* fractional part */
- if (count > 0 && test2(&rn, (hex ? "pP" : "eE"))) { /* exponent mark? */
- test2(&rn, "-+"); /* exponent signal */
- readdigits(&rn, 0); /* exponent digits */
- }
- ungetc(rn.c, rn.f); /* unread look-ahead char */
- l_unlockfile(rn.f);
- rn.buff[rn.n] = '\0'; /* finish string */
- if (lua_stringtonumber(L, rn.buff)) /* is this a valid number? */
- return 1; /* ok */
- else { /* invalid format */
- lua_pushnil(L); /* "result" to be removed */
- return 0; /* read fails */
- }
-}
-
-
-static int test_eof (lua_State *L, FILE *f) {
- int c = getc(f);
- ungetc(c, f); /* no-op when c == EOF */
- lua_pushliteral(L, "");
- return (c != EOF);
-}
-
-
-static int read_line (lua_State *L, FILE *f, int chop) {
- luaL_Buffer b;
- int c = '\0';
- luaL_buffinit(L, &b);
- while (c != EOF && c != '\n') { /* repeat until end of line */
- char *buff = luaL_prepbuffer(&b); /* preallocate buffer */
- int i = 0;
- l_lockfile(f); /* no memory errors can happen inside the lock */
- while (i < LUAL_BUFFERSIZE && (c = l_getc(f)) != EOF && c != '\n')
- buff[i++] = c;
- l_unlockfile(f);
- luaL_addsize(&b, i);
- }
- if (!chop && c == '\n') /* want a newline and have one? */
- luaL_addchar(&b, c); /* add ending newline to result */
- luaL_pushresult(&b); /* close buffer */
- /* return ok if read something (either a newline or something else) */
- return (c == '\n' || lua_rawlen(L, -1) > 0);
-}
-
-
-static void read_all (lua_State *L, FILE *f) {
- size_t nr;
- luaL_Buffer b;
- luaL_buffinit(L, &b);
- do { /* read file in chunks of LUAL_BUFFERSIZE bytes */
- char *p = luaL_prepbuffer(&b);
- nr = fread(p, sizeof(char), LUAL_BUFFERSIZE, f);
- luaL_addsize(&b, nr);
- } while (nr == LUAL_BUFFERSIZE);
- luaL_pushresult(&b); /* close buffer */
-}
-
-
-static int read_chars (lua_State *L, FILE *f, size_t n) {
- size_t nr; /* number of chars actually read */
- char *p;
- luaL_Buffer b;
- luaL_buffinit(L, &b);
- p = luaL_prepbuffsize(&b, n); /* prepare buffer to read whole block */
- nr = fread(p, sizeof(char), n, f); /* try to read 'n' chars */
- luaL_addsize(&b, nr);
- luaL_pushresult(&b); /* close buffer */
- return (nr > 0); /* true iff read something */
-}
-
-
-static int g_read (lua_State *L, FILE *f, int first) {
- int nargs = lua_gettop(L) - 1;
- int success;
- int n;
- clearerr(f);
- if (nargs == 0) { /* no arguments? */
- success = read_line(L, f, 1);
- n = first+1; /* to return 1 result */
- }
- else { /* ensure stack space for all results and for auxlib's buffer */
- luaL_checkstack(L, nargs+LUA_MINSTACK, "too many arguments");
- success = 1;
- for (n = first; nargs-- && success; n++) {
- if (lua_type(L, n) == LUA_TNUMBER) {
- size_t l = (size_t)luaL_checkinteger(L, n);
- success = (l == 0) ? test_eof(L, f) : read_chars(L, f, l);
- }
- else {
- const char *p = luaL_checkstring(L, n);
- if (*p == '*') p++; /* skip optional '*' (for compatibility) */
- switch (*p) {
- case 'n': /* number */
- success = read_number(L, f);
- break;
- case 'l': /* line */
- success = read_line(L, f, 1);
- break;
- case 'L': /* line with end-of-line */
- success = read_line(L, f, 0);
- break;
- case 'a': /* file */
- read_all(L, f); /* read entire file */
- success = 1; /* always success */
- break;
- default:
- return luaL_argerror(L, n, "invalid format");
- }
- }
- }
- }
- if (ferror(f))
- return luaL_fileresult(L, 0, NULL);
- if (!success) {
- lua_pop(L, 1); /* remove last result */
- lua_pushnil(L); /* push nil instead */
- }
- return n - first;
-}
-
-
-static int io_read (lua_State *L) {
- return g_read(L, getiofile(L, IO_INPUT), 1);
-}
-
-
-static int f_read (lua_State *L) {
- return g_read(L, tofile(L), 2);
-}
-
-
-static int io_readline (lua_State *L) {
- LStream *p = (LStream *)lua_touserdata(L, lua_upvalueindex(1));
- int i;
- int n = (int)lua_tointeger(L, lua_upvalueindex(2));
- if (isclosed(p)) /* file is already closed? */
- return luaL_error(L, "file is already closed");
- lua_settop(L , 1);
- luaL_checkstack(L, n, "too many arguments");
- for (i = 1; i <= n; i++) /* push arguments to 'g_read' */
- lua_pushvalue(L, lua_upvalueindex(3 + i));
- n = g_read(L, p->f, 2); /* 'n' is number of results */
- lua_assert(n > 0); /* should return at least a nil */
- if (lua_toboolean(L, -n)) /* read at least one value? */
- return n; /* return them */
- else { /* first result is nil: EOF or error */
- if (n > 1) { /* is there error information? */
- /* 2nd result is error message */
- return luaL_error(L, "%s", lua_tostring(L, -n + 1));
- }
- if (lua_toboolean(L, lua_upvalueindex(3))) { /* generator created file? */
- lua_settop(L, 0);
- lua_pushvalue(L, lua_upvalueindex(1));
- aux_close(L); /* close it */
- }
- return 0;
- }
-}
-
-/* }====================================================== */
-
-
-static int g_write (lua_State *L, FILE *f, int arg) {
- int nargs = lua_gettop(L) - arg;
- int status = 1;
- for (; nargs--; arg++) {
- if (lua_type(L, arg) == LUA_TNUMBER) {
- /* optimization: could be done exactly as for strings */
- int len = lua_isinteger(L, arg)
- ? fprintf(f, LUA_INTEGER_FMT,
- (LUAI_UACINT)lua_tointeger(L, arg))
- : fprintf(f, LUA_NUMBER_FMT,
- (LUAI_UACNUMBER)lua_tonumber(L, arg));
- status = status && (len > 0);
- }
- else {
- size_t l;
- const char *s = luaL_checklstring(L, arg, &l);
- status = status && (fwrite(s, sizeof(char), l, f) == l);
- }
- }
- if (status) return 1; /* file handle already on stack top */
- else return luaL_fileresult(L, status, NULL);
-}
-
-
-static int io_write (lua_State *L) {
- return g_write(L, getiofile(L, IO_OUTPUT), 1);
-}
-
-
-static int f_write (lua_State *L) {
- FILE *f = tofile(L);
- lua_pushvalue(L, 1); /* push file at the stack top (to be returned) */
- return g_write(L, f, 2);
-}
-
-
-static int f_seek (lua_State *L) {
- static const int mode[] = {SEEK_SET, SEEK_CUR, SEEK_END};
- static const char *const modenames[] = {"set", "cur", "end", NULL};
- FILE *f = tofile(L);
- int op = luaL_checkoption(L, 2, "cur", modenames);
- lua_Integer p3 = luaL_optinteger(L, 3, 0);
- l_seeknum offset = (l_seeknum)p3;
- luaL_argcheck(L, (lua_Integer)offset == p3, 3,
- "not an integer in proper range");
- op = l_fseek(f, offset, mode[op]);
- if (op)
- return luaL_fileresult(L, 0, NULL); /* error */
- else {
- lua_pushinteger(L, (lua_Integer)l_ftell(f));
- return 1;
- }
-}
-
-
-static int f_setvbuf (lua_State *L) {
- static const int mode[] = {_IONBF, _IOFBF, _IOLBF};
- static const char *const modenames[] = {"no", "full", "line", NULL};
- FILE *f = tofile(L);
- int op = luaL_checkoption(L, 2, NULL, modenames);
- lua_Integer sz = luaL_optinteger(L, 3, LUAL_BUFFERSIZE);
- int res = setvbuf(f, NULL, mode[op], (size_t)sz);
- return luaL_fileresult(L, res == 0, NULL);
-}
-
-
-
-static int io_flush (lua_State *L) {
- return luaL_fileresult(L, fflush(getiofile(L, IO_OUTPUT)) == 0, NULL);
-}
-
-
-static int f_flush (lua_State *L) {
- return luaL_fileresult(L, fflush(tofile(L)) == 0, NULL);
-}
-
-
-/*
-** functions for 'io' library
-*/
-static const luaL_Reg iolib[] = {
- {"close", io_close},
- {"flush", io_flush},
- {"input", io_input},
- {"lines", io_lines},
- {"open", io_open},
- {"output", io_output},
- {"popen", io_popen},
- {"read", io_read},
- {"tmpfile", io_tmpfile},
- {"type", io_type},
- {"write", io_write},
- {NULL, NULL}
-};
-
-
-/*
-** methods for file handles
-*/
-static const luaL_Reg flib[] = {
- {"close", f_close},
- {"flush", f_flush},
- {"lines", f_lines},
- {"read", f_read},
- {"seek", f_seek},
- {"setvbuf", f_setvbuf},
- {"write", f_write},
- {"__gc", f_gc},
- {"__tostring", f_tostring},
- {NULL, NULL}
-};
-
-
-static void createmeta (lua_State *L) {
- luaL_newmetatable(L, LUA_FILEHANDLE); /* create metatable for file handles */
- lua_pushvalue(L, -1); /* push metatable */
- lua_setfield(L, -2, "__index"); /* metatable.__index = metatable */
- luaL_setfuncs(L, flib, 0); /* add file methods to new metatable */
- lua_pop(L, 1); /* pop new metatable */
-}
-
-
-/*
-** function to (not) close the standard files stdin, stdout, and stderr
-*/
-static int io_noclose (lua_State *L) {
- LStream *p = tolstream(L);
- p->closef = &io_noclose; /* keep file opened */
- lua_pushnil(L);
- lua_pushliteral(L, "cannot close standard file");
- return 2;
-}
-
-
-static void createstdfile (lua_State *L, FILE *f, const char *k,
- const char *fname) {
- LStream *p = newprefile(L);
- p->f = f;
- p->closef = &io_noclose;
- if (k != NULL) {
- lua_pushvalue(L, -1);
- lua_setfield(L, LUA_REGISTRYINDEX, k); /* add file to registry */
- }
- lua_setfield(L, -2, fname); /* add file to module */
-}
-
-
-LUAMOD_API int luaopen_io (lua_State *L) {
- luaL_newlib(L, iolib); /* new module */
- createmeta(L);
- /* create (and set) default files */
- createstdfile(L, stdin, IO_INPUT, "stdin");
- createstdfile(L, stdout, IO_OUTPUT, "stdout");
- createstdfile(L, stderr, NULL, "stderr");
- return 1;
-}
-
diff --git a/Build/source/libs/lua53/lua53-src/src/liolib.c.orig b/Build/source/libs/lua53/lua53-src/src/liolib.c.orig
deleted file mode 100644
index 027d4bd0db4..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/liolib.c.orig
+++ /dev/null
@@ -1,778 +0,0 @@
-/*
-** $Id: liolib.c,v 2.151.1.1 2017/04/19 17:29:57 roberto Exp $
-** Standard I/O (and system) library
-** See Copyright Notice in lua.h
-*/
-
-#define liolib_c
-#define LUA_LIB
-
-#include "lprefix.h"
-
-
-#include <ctype.h>
-#include <errno.h>
-#include <locale.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "lua.h"
-
-#include "lauxlib.h"
-#include "lualib.h"
-
-
-
-
-/*
-** Change this macro to accept other modes for 'fopen' besides
-** the standard ones.
-*/
-#if !defined(l_checkmode)
-
-/* accepted extensions to 'mode' in 'fopen' */
-#if !defined(L_MODEEXT)
-#define L_MODEEXT "b"
-#endif
-
-/* Check whether 'mode' matches '[rwa]%+?[L_MODEEXT]*' */
-static int l_checkmode (const char *mode) {
- return (*mode != '\0' && strchr("rwa", *(mode++)) != NULL &&
- (*mode != '+' || (++mode, 1)) && /* skip if char is '+' */
- (strspn(mode, L_MODEEXT) == strlen(mode))); /* check extensions */
-}
-
-#endif
-
-/*
-** {======================================================
-** l_popen spawns a new process connected to the current
-** one through the file streams.
-** =======================================================
-*/
-
-#if !defined(l_popen) /* { */
-
-#if defined(LUA_USE_POSIX) /* { */
-
-#define l_popen(L,c,m) (fflush(NULL), popen(c,m))
-#define l_pclose(L,file) (pclose(file))
-
-#elif defined(LUA_USE_WINDOWS) /* }{ */
-
-#define l_popen(L,c,m) (_popen(c,m))
-#define l_pclose(L,file) (_pclose(file))
-
-#else /* }{ */
-
-/* ISO C definitions */
-#define l_popen(L,c,m) \
- ((void)((void)c, m), \
- luaL_error(L, "'popen' not supported"), \
- (FILE*)0)
-#define l_pclose(L,file) ((void)L, (void)file, -1)
-
-#endif /* } */
-
-#endif /* } */
-
-/* }====================================================== */
-
-
-#if !defined(l_getc) /* { */
-
-#if defined(LUA_USE_POSIX)
-#define l_getc(f) getc_unlocked(f)
-#define l_lockfile(f) flockfile(f)
-#define l_unlockfile(f) funlockfile(f)
-#else
-#define l_getc(f) getc(f)
-#define l_lockfile(f) ((void)0)
-#define l_unlockfile(f) ((void)0)
-#endif
-
-#endif /* } */
-
-
-/*
-** {======================================================
-** l_fseek: configuration for longer offsets
-** =======================================================
-*/
-
-#if !defined(l_fseek) /* { */
-
-#if defined(LUA_USE_POSIX) /* { */
-
-#include <sys/types.h>
-
-#define l_fseek(f,o,w) fseeko(f,o,w)
-#define l_ftell(f) ftello(f)
-#define l_seeknum off_t
-
-#elif defined(LUA_USE_WINDOWS) && !defined(_CRTIMP_TYPEINFO) \
- && defined(_MSC_VER) && (_MSC_VER >= 1400) /* }{ */
-
-/* Windows (but not DDK) and Visual C++ 2005 or higher */
-#define l_fseek(f,o,w) _fseeki64(f,o,w)
-#define l_ftell(f) _ftelli64(f)
-#define l_seeknum __int64
-
-#else /* }{ */
-
-/* ISO C definitions */
-#define l_fseek(f,o,w) fseek(f,o,w)
-#define l_ftell(f) ftell(f)
-#define l_seeknum long
-
-#endif /* } */
-
-#endif /* } */
-
-/* }====================================================== */
-
-
-#define IO_PREFIX "_IO_"
-#define IOPREF_LEN (sizeof(IO_PREFIX)/sizeof(char) - 1)
-#define IO_INPUT (IO_PREFIX "input")
-#define IO_OUTPUT (IO_PREFIX "output")
-
-
-typedef luaL_Stream LStream;
-
-
-#define tolstream(L) ((LStream *)luaL_checkudata(L, 1, LUA_FILEHANDLE))
-
-#define isclosed(p) ((p)->closef == NULL)
-
-
-static int io_type (lua_State *L) {
- LStream *p;
- luaL_checkany(L, 1);
- p = (LStream *)luaL_testudata(L, 1, LUA_FILEHANDLE);
- if (p == NULL)
- lua_pushnil(L); /* not a file */
- else if (isclosed(p))
- lua_pushliteral(L, "closed file");
- else
- lua_pushliteral(L, "file");
- return 1;
-}
-
-
-static int f_tostring (lua_State *L) {
- LStream *p = tolstream(L);
- if (isclosed(p))
- lua_pushliteral(L, "file (closed)");
- else
- lua_pushfstring(L, "file (%p)", p->f);
- return 1;
-}
-
-
-static FILE *tofile (lua_State *L) {
- LStream *p = tolstream(L);
- if (isclosed(p))
- luaL_error(L, "attempt to use a closed file");
- lua_assert(p->f);
- return p->f;
-}
-
-
-/*
-** When creating file handles, always creates a 'closed' file handle
-** before opening the actual file; so, if there is a memory error, the
-** handle is in a consistent state.
-*/
-static LStream *newprefile (lua_State *L) {
- LStream *p = (LStream *)lua_newuserdata(L, sizeof(LStream));
- p->closef = NULL; /* mark file handle as 'closed' */
- luaL_setmetatable(L, LUA_FILEHANDLE);
- return p;
-}
-
-
-/*
-** Calls the 'close' function from a file handle. The 'volatile' avoids
-** a bug in some versions of the Clang compiler (e.g., clang 3.0 for
-** 32 bits).
-*/
-static int aux_close (lua_State *L) {
- LStream *p = tolstream(L);
- volatile lua_CFunction cf = p->closef;
- p->closef = NULL; /* mark stream as closed */
- return (*cf)(L); /* close it */
-}
-
-
-static int f_close (lua_State *L) {
- tofile(L); /* make sure argument is an open stream */
- return aux_close(L);
-}
-
-
-static int io_close (lua_State *L) {
- if (lua_isnone(L, 1)) /* no argument? */
- lua_getfield(L, LUA_REGISTRYINDEX, IO_OUTPUT); /* use standard output */
- return f_close(L);
-}
-
-
-static int f_gc (lua_State *L) {
- LStream *p = tolstream(L);
- if (!isclosed(p) && p->f != NULL)
- aux_close(L); /* ignore closed and incompletely open files */
- return 0;
-}
-
-
-/*
-** function to close regular files
-*/
-static int io_fclose (lua_State *L) {
- LStream *p = tolstream(L);
- int res = fclose(p->f);
- return luaL_fileresult(L, (res == 0), NULL);
-}
-
-
-static LStream *newfile (lua_State *L) {
- LStream *p = newprefile(L);
- p->f = NULL;
- p->closef = &io_fclose;
- return p;
-}
-
-
-static void opencheck (lua_State *L, const char *fname, const char *mode) {
- LStream *p = newfile(L);
- p->f = fopen(fname, mode);
- if (p->f == NULL)
- luaL_error(L, "cannot open file '%s' (%s)", fname, strerror(errno));
-}
-
-
-static int io_open (lua_State *L) {
- const char *filename = luaL_checkstring(L, 1);
- const char *mode = luaL_optstring(L, 2, "r");
- LStream *p = newfile(L);
- const char *md = mode; /* to traverse/check mode */
- luaL_argcheck(L, l_checkmode(md), 2, "invalid mode");
- p->f = fopen(filename, mode);
- return (p->f == NULL) ? luaL_fileresult(L, 0, filename) : 1;
-}
-
-
-/*
-** function to close 'popen' files
-*/
-static int io_pclose (lua_State *L) {
- LStream *p = tolstream(L);
- return luaL_execresult(L, l_pclose(L, p->f));
-}
-
-
-static int io_popen (lua_State *L) {
- const char *filename = luaL_checkstring(L, 1);
- const char *mode = luaL_optstring(L, 2, "r");
- LStream *p = newprefile(L);
- luaL_argcheck(L, ((mode[0] == 'r' || mode[0] == 'w') && mode[1] == '\0'),
- 2, "invalid mode");
- p->f = l_popen(L, filename, mode);
- p->closef = &io_pclose;
- return (p->f == NULL) ? luaL_fileresult(L, 0, filename) : 1;
-}
-
-
-static int io_tmpfile (lua_State *L) {
- LStream *p = newfile(L);
- p->f = tmpfile();
- return (p->f == NULL) ? luaL_fileresult(L, 0, NULL) : 1;
-}
-
-
-static FILE *getiofile (lua_State *L, const char *findex) {
- LStream *p;
- lua_getfield(L, LUA_REGISTRYINDEX, findex);
- p = (LStream *)lua_touserdata(L, -1);
- if (isclosed(p))
- luaL_error(L, "standard %s file is closed", findex + IOPREF_LEN);
- return p->f;
-}
-
-
-static int g_iofile (lua_State *L, const char *f, const char *mode) {
- if (!lua_isnoneornil(L, 1)) {
- const char *filename = lua_tostring(L, 1);
- if (filename)
- opencheck(L, filename, mode);
- else {
- tofile(L); /* check that it's a valid file handle */
- lua_pushvalue(L, 1);
- }
- lua_setfield(L, LUA_REGISTRYINDEX, f);
- }
- /* return current value */
- lua_getfield(L, LUA_REGISTRYINDEX, f);
- return 1;
-}
-
-
-static int io_input (lua_State *L) {
- return g_iofile(L, IO_INPUT, "r");
-}
-
-
-static int io_output (lua_State *L) {
- return g_iofile(L, IO_OUTPUT, "w");
-}
-
-
-static int io_readline (lua_State *L);
-
-
-/*
-** maximum number of arguments to 'f:lines'/'io.lines' (it + 3 must fit
-** in the limit for upvalues of a closure)
-*/
-#define MAXARGLINE 250
-
-static void aux_lines (lua_State *L, int toclose) {
- int n = lua_gettop(L) - 1; /* number of arguments to read */
- luaL_argcheck(L, n <= MAXARGLINE, MAXARGLINE + 2, "too many arguments");
- lua_pushinteger(L, n); /* number of arguments to read */
- lua_pushboolean(L, toclose); /* close/not close file when finished */
- lua_rotate(L, 2, 2); /* move 'n' and 'toclose' to their positions */
- lua_pushcclosure(L, io_readline, 3 + n);
-}
-
-
-static int f_lines (lua_State *L) {
- tofile(L); /* check that it's a valid file handle */
- aux_lines(L, 0);
- return 1;
-}
-
-
-static int io_lines (lua_State *L) {
- int toclose;
- if (lua_isnone(L, 1)) lua_pushnil(L); /* at least one argument */
- if (lua_isnil(L, 1)) { /* no file name? */
- lua_getfield(L, LUA_REGISTRYINDEX, IO_INPUT); /* get default input */
- lua_replace(L, 1); /* put it at index 1 */
- tofile(L); /* check that it's a valid file handle */
- toclose = 0; /* do not close it after iteration */
- }
- else { /* open a new file */
- const char *filename = luaL_checkstring(L, 1);
- opencheck(L, filename, "r");
- lua_replace(L, 1); /* put file at index 1 */
- toclose = 1; /* close it after iteration */
- }
- aux_lines(L, toclose);
- return 1;
-}
-
-
-/*
-** {======================================================
-** READ
-** =======================================================
-*/
-
-
-/* maximum length of a numeral */
-#if !defined (L_MAXLENNUM)
-#define L_MAXLENNUM 200
-#endif
-
-
-/* auxiliary structure used by 'read_number' */
-typedef struct {
- FILE *f; /* file being read */
- int c; /* current character (look ahead) */
- int n; /* number of elements in buffer 'buff' */
- char buff[L_MAXLENNUM + 1]; /* +1 for ending '\0' */
-} RN;
-
-
-/*
-** Add current char to buffer (if not out of space) and read next one
-*/
-static int nextc (RN *rn) {
- if (rn->n >= L_MAXLENNUM) { /* buffer overflow? */
- rn->buff[0] = '\0'; /* invalidate result */
- return 0; /* fail */
- }
- else {
- rn->buff[rn->n++] = rn->c; /* save current char */
- rn->c = l_getc(rn->f); /* read next one */
- return 1;
- }
-}
-
-
-/*
-** Accept current char if it is in 'set' (of size 2)
-*/
-static int test2 (RN *rn, const char *set) {
- if (rn->c == set[0] || rn->c == set[1])
- return nextc(rn);
- else return 0;
-}
-
-
-/*
-** Read a sequence of (hex)digits
-*/
-static int readdigits (RN *rn, int hex) {
- int count = 0;
- while ((hex ? isxdigit(rn->c) : isdigit(rn->c)) && nextc(rn))
- count++;
- return count;
-}
-
-
-/*
-** Read a number: first reads a valid prefix of a numeral into a buffer.
-** Then it calls 'lua_stringtonumber' to check whether the format is
-** correct and to convert it to a Lua number
-*/
-static int read_number (lua_State *L, FILE *f) {
- RN rn;
- int count = 0;
- int hex = 0;
- char decp[2];
- rn.f = f; rn.n = 0;
- decp[0] = lua_getlocaledecpoint(); /* get decimal point from locale */
- decp[1] = '.'; /* always accept a dot */
- l_lockfile(rn.f);
- do { rn.c = l_getc(rn.f); } while (isspace(rn.c)); /* skip spaces */
- test2(&rn, "-+"); /* optional signal */
- if (test2(&rn, "00")) {
- if (test2(&rn, "xX")) hex = 1; /* numeral is hexadecimal */
- else count = 1; /* count initial '0' as a valid digit */
- }
- count += readdigits(&rn, hex); /* integral part */
- if (test2(&rn, decp)) /* decimal point? */
- count += readdigits(&rn, hex); /* fractional part */
- if (count > 0 && test2(&rn, (hex ? "pP" : "eE"))) { /* exponent mark? */
- test2(&rn, "-+"); /* exponent signal */
- readdigits(&rn, 0); /* exponent digits */
- }
- ungetc(rn.c, rn.f); /* unread look-ahead char */
- l_unlockfile(rn.f);
- rn.buff[rn.n] = '\0'; /* finish string */
- if (lua_stringtonumber(L, rn.buff)) /* is this a valid number? */
- return 1; /* ok */
- else { /* invalid format */
- lua_pushnil(L); /* "result" to be removed */
- return 0; /* read fails */
- }
-}
-
-
-static int test_eof (lua_State *L, FILE *f) {
- int c = getc(f);
- ungetc(c, f); /* no-op when c == EOF */
- lua_pushliteral(L, "");
- return (c != EOF);
-}
-
-
-static int read_line (lua_State *L, FILE *f, int chop) {
- luaL_Buffer b;
- int c = '\0';
- luaL_buffinit(L, &b);
- while (c != EOF && c != '\n') { /* repeat until end of line */
- char *buff = luaL_prepbuffer(&b); /* preallocate buffer */
- int i = 0;
- l_lockfile(f); /* no memory errors can happen inside the lock */
- while (i < LUAL_BUFFERSIZE && (c = l_getc(f)) != EOF && c != '\n')
- buff[i++] = c;
- l_unlockfile(f);
- luaL_addsize(&b, i);
- }
- if (!chop && c == '\n') /* want a newline and have one? */
- luaL_addchar(&b, c); /* add ending newline to result */
- luaL_pushresult(&b); /* close buffer */
- /* return ok if read something (either a newline or something else) */
- return (c == '\n' || lua_rawlen(L, -1) > 0);
-}
-
-
-static void read_all (lua_State *L, FILE *f) {
- size_t nr;
- luaL_Buffer b;
- luaL_buffinit(L, &b);
- do { /* read file in chunks of LUAL_BUFFERSIZE bytes */
- char *p = luaL_prepbuffer(&b);
- nr = fread(p, sizeof(char), LUAL_BUFFERSIZE, f);
- luaL_addsize(&b, nr);
- } while (nr == LUAL_BUFFERSIZE);
- luaL_pushresult(&b); /* close buffer */
-}
-
-
-static int read_chars (lua_State *L, FILE *f, size_t n) {
- size_t nr; /* number of chars actually read */
- char *p;
- luaL_Buffer b;
- luaL_buffinit(L, &b);
- p = luaL_prepbuffsize(&b, n); /* prepare buffer to read whole block */
- nr = fread(p, sizeof(char), n, f); /* try to read 'n' chars */
- luaL_addsize(&b, nr);
- luaL_pushresult(&b); /* close buffer */
- return (nr > 0); /* true iff read something */
-}
-
-
-static int g_read (lua_State *L, FILE *f, int first) {
- int nargs = lua_gettop(L) - 1;
- int success;
- int n;
- clearerr(f);
- if (nargs == 0) { /* no arguments? */
- success = read_line(L, f, 1);
- n = first+1; /* to return 1 result */
- }
- else { /* ensure stack space for all results and for auxlib's buffer */
- luaL_checkstack(L, nargs+LUA_MINSTACK, "too many arguments");
- success = 1;
- for (n = first; nargs-- && success; n++) {
- if (lua_type(L, n) == LUA_TNUMBER) {
- size_t l = (size_t)luaL_checkinteger(L, n);
- success = (l == 0) ? test_eof(L, f) : read_chars(L, f, l);
- }
- else {
- const char *p = luaL_checkstring(L, n);
- if (*p == '*') p++; /* skip optional '*' (for compatibility) */
- switch (*p) {
- case 'n': /* number */
- success = read_number(L, f);
- break;
- case 'l': /* line */
- success = read_line(L, f, 1);
- break;
- case 'L': /* line with end-of-line */
- success = read_line(L, f, 0);
- break;
- case 'a': /* file */
- read_all(L, f); /* read entire file */
- success = 1; /* always success */
- break;
- default:
- return luaL_argerror(L, n, "invalid format");
- }
- }
- }
- }
- if (ferror(f))
- return luaL_fileresult(L, 0, NULL);
- if (!success) {
- lua_pop(L, 1); /* remove last result */
- lua_pushnil(L); /* push nil instead */
- }
- return n - first;
-}
-
-
-static int io_read (lua_State *L) {
- return g_read(L, getiofile(L, IO_INPUT), 1);
-}
-
-
-static int f_read (lua_State *L) {
- return g_read(L, tofile(L), 2);
-}
-
-
-static int io_readline (lua_State *L) {
- LStream *p = (LStream *)lua_touserdata(L, lua_upvalueindex(1));
- int i;
- int n = (int)lua_tointeger(L, lua_upvalueindex(2));
- if (isclosed(p)) /* file is already closed? */
- return luaL_error(L, "file is already closed");
- lua_settop(L , 1);
- luaL_checkstack(L, n, "too many arguments");
- for (i = 1; i <= n; i++) /* push arguments to 'g_read' */
- lua_pushvalue(L, lua_upvalueindex(3 + i));
- n = g_read(L, p->f, 2); /* 'n' is number of results */
- lua_assert(n > 0); /* should return at least a nil */
- if (lua_toboolean(L, -n)) /* read at least one value? */
- return n; /* return them */
- else { /* first result is nil: EOF or error */
- if (n > 1) { /* is there error information? */
- /* 2nd result is error message */
- return luaL_error(L, "%s", lua_tostring(L, -n + 1));
- }
- if (lua_toboolean(L, lua_upvalueindex(3))) { /* generator created file? */
- lua_settop(L, 0);
- lua_pushvalue(L, lua_upvalueindex(1));
- aux_close(L); /* close it */
- }
- return 0;
- }
-}
-
-/* }====================================================== */
-
-
-static int g_write (lua_State *L, FILE *f, int arg) {
- int nargs = lua_gettop(L) - arg;
- int status = 1;
- for (; nargs--; arg++) {
- if (lua_type(L, arg) == LUA_TNUMBER) {
- /* optimization: could be done exactly as for strings */
- int len = lua_isinteger(L, arg)
- ? fprintf(f, LUA_INTEGER_FMT,
- (LUAI_UACINT)lua_tointeger(L, arg))
- : fprintf(f, LUA_NUMBER_FMT,
- (LUAI_UACNUMBER)lua_tonumber(L, arg));
- status = status && (len > 0);
- }
- else {
- size_t l;
- const char *s = luaL_checklstring(L, arg, &l);
- status = status && (fwrite(s, sizeof(char), l, f) == l);
- }
- }
- if (status) return 1; /* file handle already on stack top */
- else return luaL_fileresult(L, status, NULL);
-}
-
-
-static int io_write (lua_State *L) {
- return g_write(L, getiofile(L, IO_OUTPUT), 1);
-}
-
-
-static int f_write (lua_State *L) {
- FILE *f = tofile(L);
- lua_pushvalue(L, 1); /* push file at the stack top (to be returned) */
- return g_write(L, f, 2);
-}
-
-
-static int f_seek (lua_State *L) {
- static const int mode[] = {SEEK_SET, SEEK_CUR, SEEK_END};
- static const char *const modenames[] = {"set", "cur", "end", NULL};
- FILE *f = tofile(L);
- int op = luaL_checkoption(L, 2, "cur", modenames);
- lua_Integer p3 = luaL_optinteger(L, 3, 0);
- l_seeknum offset = (l_seeknum)p3;
- luaL_argcheck(L, (lua_Integer)offset == p3, 3,
- "not an integer in proper range");
- op = l_fseek(f, offset, mode[op]);
- if (op)
- return luaL_fileresult(L, 0, NULL); /* error */
- else {
- lua_pushinteger(L, (lua_Integer)l_ftell(f));
- return 1;
- }
-}
-
-
-static int f_setvbuf (lua_State *L) {
- static const int mode[] = {_IONBF, _IOFBF, _IOLBF};
- static const char *const modenames[] = {"no", "full", "line", NULL};
- FILE *f = tofile(L);
- int op = luaL_checkoption(L, 2, NULL, modenames);
- lua_Integer sz = luaL_optinteger(L, 3, LUAL_BUFFERSIZE);
- int res = setvbuf(f, NULL, mode[op], (size_t)sz);
- return luaL_fileresult(L, res == 0, NULL);
-}
-
-
-
-static int io_flush (lua_State *L) {
- return luaL_fileresult(L, fflush(getiofile(L, IO_OUTPUT)) == 0, NULL);
-}
-
-
-static int f_flush (lua_State *L) {
- return luaL_fileresult(L, fflush(tofile(L)) == 0, NULL);
-}
-
-
-/*
-** functions for 'io' library
-*/
-static const luaL_Reg iolib[] = {
- {"close", io_close},
- {"flush", io_flush},
- {"input", io_input},
- {"lines", io_lines},
- {"open", io_open},
- {"output", io_output},
- {"popen", io_popen},
- {"read", io_read},
- {"tmpfile", io_tmpfile},
- {"type", io_type},
- {"write", io_write},
- {NULL, NULL}
-};
-
-
-/*
-** methods for file handles
-*/
-static const luaL_Reg flib[] = {
- {"close", f_close},
- {"flush", f_flush},
- {"lines", f_lines},
- {"read", f_read},
- {"seek", f_seek},
- {"setvbuf", f_setvbuf},
- {"write", f_write},
- {"__gc", f_gc},
- {"__tostring", f_tostring},
- {NULL, NULL}
-};
-
-
-static void createmeta (lua_State *L) {
- luaL_newmetatable(L, LUA_FILEHANDLE); /* create metatable for file handles */
- lua_pushvalue(L, -1); /* push metatable */
- lua_setfield(L, -2, "__index"); /* metatable.__index = metatable */
- luaL_setfuncs(L, flib, 0); /* add file methods to new metatable */
- lua_pop(L, 1); /* pop new metatable */
-}
-
-
-/*
-** function to (not) close the standard files stdin, stdout, and stderr
-*/
-static int io_noclose (lua_State *L) {
- LStream *p = tolstream(L);
- p->closef = &io_noclose; /* keep file opened */
- lua_pushnil(L);
- lua_pushliteral(L, "cannot close standard file");
- return 2;
-}
-
-
-static void createstdfile (lua_State *L, FILE *f, const char *k,
- const char *fname) {
- LStream *p = newprefile(L);
- p->f = f;
- p->closef = &io_noclose;
- if (k != NULL) {
- lua_pushvalue(L, -1);
- lua_setfield(L, LUA_REGISTRYINDEX, k); /* add file to registry */
- }
- lua_setfield(L, -2, fname); /* add file to module */
-}
-
-
-LUAMOD_API int luaopen_io (lua_State *L) {
- luaL_newlib(L, iolib); /* new module */
- createmeta(L);
- /* create (and set) default files */
- createstdfile(L, stdin, IO_INPUT, "stdin");
- createstdfile(L, stdout, IO_OUTPUT, "stdout");
- createstdfile(L, stderr, NULL, "stderr");
- return 1;
-}
-
diff --git a/Build/source/libs/lua53/lua53-src/src/llex.c b/Build/source/libs/lua53/lua53-src/src/llex.c
deleted file mode 100644
index b6d9a465fe4..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/llex.c
+++ /dev/null
@@ -1,568 +0,0 @@
-/*
-** $Id: llex.c,v 2.96.1.1 2017/04/19 17:20:42 roberto Exp $
-** Lexical Analyzer
-** See Copyright Notice in lua.h
-*/
-
-#define llex_c
-#define LUA_CORE
-
-#include "lprefix.h"
-
-
-#include <locale.h>
-#include <string.h>
-
-#include "lua.h"
-
-#include "lctype.h"
-#include "ldebug.h"
-#include "ldo.h"
-#include "lgc.h"
-#include "llex.h"
-#include "lobject.h"
-#include "lparser.h"
-#include "lstate.h"
-#include "lstring.h"
-#include "ltable.h"
-#include "lzio.h"
-
-
-
-#define next(ls) (ls->current = zgetc(ls->z))
-
-
-
-#define currIsNewline(ls) (ls->current == '\n' || ls->current == '\r')
-
-
-/* ORDER RESERVED */
-static const char *const luaX_tokens [] = {
- "and", "break", "do", "else", "elseif",
- "end", "false", "for", "function", "goto", "if",
- "in", "local", "nil", "not", "or", "repeat",
- "return", "then", "true", "until", "while",
- "//", "..", "...", "==", ">=", "<=", "~=",
- "<<", ">>", "::", "<eof>",
- "<number>", "<integer>", "<name>", "<string>"
-};
-
-
-#define save_and_next(ls) (save(ls, ls->current), next(ls))
-
-
-static l_noret lexerror (LexState *ls, const char *msg, int token);
-
-
-static void save (LexState *ls, int c) {
- Mbuffer *b = ls->buff;
- if (luaZ_bufflen(b) + 1 > luaZ_sizebuffer(b)) {
- size_t newsize;
- if (luaZ_sizebuffer(b) >= MAX_SIZE/2)
- lexerror(ls, "lexical element too long", 0);
- newsize = luaZ_sizebuffer(b) * 2;
- luaZ_resizebuffer(ls->L, b, newsize);
- }
- b->buffer[luaZ_bufflen(b)++] = cast(char, c);
-}
-
-
-void luaX_init (lua_State *L) {
- int i;
- TString *e = luaS_newliteral(L, LUA_ENV); /* create env name */
- luaC_fix(L, obj2gco(e)); /* never collect this name */
- for (i=0; i<NUM_RESERVED; i++) {
- TString *ts = luaS_new(L, luaX_tokens[i]);
- luaC_fix(L, obj2gco(ts)); /* reserved words are never collected */
- ts->extra = cast_byte(i+1); /* reserved word */
- }
-}
-
-
-const char *luaX_token2str (LexState *ls, int token) {
- if (token < FIRST_RESERVED) { /* single-byte symbols? */
- lua_assert(token == cast_uchar(token));
- return luaO_pushfstring(ls->L, "'%c'", token);
- }
- else {
- const char *s = luaX_tokens[token - FIRST_RESERVED];
- if (token < TK_EOS) /* fixed format (symbols and reserved words)? */
- return luaO_pushfstring(ls->L, "'%s'", s);
- else /* names, strings, and numerals */
- return s;
- }
-}
-
-
-static const char *txtToken (LexState *ls, int token) {
- switch (token) {
- case TK_NAME: case TK_STRING:
- case TK_FLT: case TK_INT:
- save(ls, '\0');
- return luaO_pushfstring(ls->L, "'%s'", luaZ_buffer(ls->buff));
- default:
- return luaX_token2str(ls, token);
- }
-}
-
-
-static l_noret lexerror (LexState *ls, const char *msg, int token) {
- msg = luaG_addinfo(ls->L, msg, ls->source, ls->linenumber);
- if (token)
- luaO_pushfstring(ls->L, "%s near %s", msg, txtToken(ls, token));
- luaD_throw(ls->L, LUA_ERRSYNTAX);
-}
-
-
-l_noret luaX_syntaxerror (LexState *ls, const char *msg) {
- lexerror(ls, msg, ls->t.token);
-}
-
-
-/*
-** creates a new string and anchors it in scanner's table so that
-** it will not be collected until the end of the compilation
-** (by that time it should be anchored somewhere)
-*/
-TString *luaX_newstring (LexState *ls, const char *str, size_t l) {
- lua_State *L = ls->L;
- TValue *o; /* entry for 'str' */
- TString *ts = luaS_newlstr(L, str, l); /* create new string */
- setsvalue2s(L, L->top++, ts); /* temporarily anchor it in stack */
- o = luaH_set(L, ls->h, L->top - 1);
- if (ttisnil(o)) { /* not in use yet? */
- /* boolean value does not need GC barrier;
- table has no metatable, so it does not need to invalidate cache */
- setbvalue(o, 1); /* t[string] = true */
- luaC_checkGC(L);
- }
- else { /* string already present */
- ts = tsvalue(keyfromval(o)); /* re-use value previously stored */
- }
- L->top--; /* remove string from stack */
- return ts;
-}
-
-
-/*
-** increment line number and skips newline sequence (any of
-** \n, \r, \n\r, or \r\n)
-*/
-static void inclinenumber (LexState *ls) {
- int old = ls->current;
- lua_assert(currIsNewline(ls));
- next(ls); /* skip '\n' or '\r' */
- if (currIsNewline(ls) && ls->current != old)
- next(ls); /* skip '\n\r' or '\r\n' */
- if (++ls->linenumber >= MAX_INT)
- lexerror(ls, "chunk has too many lines", 0);
-}
-
-
-void luaX_setinput (lua_State *L, LexState *ls, ZIO *z, TString *source,
- int firstchar) {
- ls->t.token = 0;
- ls->L = L;
- ls->current = firstchar;
- ls->lookahead.token = TK_EOS; /* no look-ahead token */
- ls->z = z;
- ls->fs = NULL;
- ls->linenumber = 1;
- ls->lastline = 1;
- ls->source = source;
- ls->envn = luaS_newliteral(L, LUA_ENV); /* get env name */
- luaZ_resizebuffer(ls->L, ls->buff, LUA_MINBUFFER); /* initialize buffer */
-}
-
-
-
-/*
-** =======================================================
-** LEXICAL ANALYZER
-** =======================================================
-*/
-
-
-static int check_next1 (LexState *ls, int c) {
- if (ls->current == c) {
- next(ls);
- return 1;
- }
- else return 0;
-}
-
-
-/*
-** Check whether current char is in set 'set' (with two chars) and
-** saves it
-*/
-static int check_next2 (LexState *ls, const char *set) {
- lua_assert(set[2] == '\0');
- if (ls->current == set[0] || ls->current == set[1]) {
- save_and_next(ls);
- return 1;
- }
- else return 0;
-}
-
-
-/* LUA_NUMBER */
-/*
-** this function is quite liberal in what it accepts, as 'luaO_str2num'
-** will reject ill-formed numerals.
-*/
-static int read_numeral (LexState *ls, SemInfo *seminfo) {
- TValue obj;
- const char *expo = "Ee";
- int first = ls->current;
- lua_assert(lisdigit(ls->current));
- save_and_next(ls);
- if (first == '0' && check_next2(ls, "xX")) /* hexadecimal? */
- expo = "Pp";
- for (;;) {
- if (check_next2(ls, expo)) /* exponent part? */
- check_next2(ls, "-+"); /* optional exponent sign */
- if (lisxdigit(ls->current))
- save_and_next(ls);
- else if (ls->current == '.')
- save_and_next(ls);
- else break;
- }
- save(ls, '\0');
- if (luaO_str2num(luaZ_buffer(ls->buff), &obj) == 0) /* format error? */
- lexerror(ls, "malformed number", TK_FLT);
- if (ttisinteger(&obj)) {
- seminfo->i = ivalue(&obj);
- return TK_INT;
- }
- else {
- lua_assert(ttisfloat(&obj));
- seminfo->r = fltvalue(&obj);
- return TK_FLT;
- }
-}
-
-
-/*
-** reads a sequence '[=*[' or ']=*]', leaving the last bracket.
-** If sequence is well formed, return its number of '='s + 2; otherwise,
-** return 1 if there is no '='s or 0 otherwise (an unfinished '[==...').
-*/
-static size_t skip_sep (LexState *ls) {
- size_t count = 0;
- int s = ls->current;
- lua_assert(s == '[' || s == ']');
- save_and_next(ls);
- while (ls->current == '=') {
- save_and_next(ls);
- count++;
- }
- return (ls->current == s) ? count + 2
- : (count == 0) ? 1
- : 0;
-
-}
-
-
-static void read_long_string (LexState *ls, SemInfo *seminfo, size_t sep) {
- int line = ls->linenumber; /* initial line (for error message) */
- save_and_next(ls); /* skip 2nd '[' */
- if (currIsNewline(ls)) /* string starts with a newline? */
- inclinenumber(ls); /* skip it */
- for (;;) {
- switch (ls->current) {
- case EOZ: { /* error */
- const char *what = (seminfo ? "string" : "comment");
- const char *msg = luaO_pushfstring(ls->L,
- "unfinished long %s (starting at line %d)", what, line);
- lexerror(ls, msg, TK_EOS);
- break; /* to avoid warnings */
- }
- case ']': {
- if (skip_sep(ls) == sep) {
- save_and_next(ls); /* skip 2nd ']' */
- goto endloop;
- }
- break;
- }
- case '\n': case '\r': {
- save(ls, '\n');
- inclinenumber(ls);
- if (!seminfo) luaZ_resetbuffer(ls->buff); /* avoid wasting space */
- break;
- }
- default: {
- if (seminfo) save_and_next(ls);
- else next(ls);
- }
- }
- } endloop:
- if (seminfo)
- seminfo->ts = luaX_newstring(ls, luaZ_buffer(ls->buff) + sep,
- luaZ_bufflen(ls->buff) - 2 * sep);
-}
-
-
-static void esccheck (LexState *ls, int c, const char *msg) {
- if (!c) {
- if (ls->current != EOZ)
- save_and_next(ls); /* add current to buffer for error message */
- lexerror(ls, msg, TK_STRING);
- }
-}
-
-
-static int gethexa (LexState *ls) {
- save_and_next(ls);
- esccheck (ls, lisxdigit(ls->current), "hexadecimal digit expected");
- return luaO_hexavalue(ls->current);
-}
-
-
-static int readhexaesc (LexState *ls) {
- int r = gethexa(ls);
- r = (r << 4) + gethexa(ls);
- luaZ_buffremove(ls->buff, 2); /* remove saved chars from buffer */
- return r;
-}
-
-
-static unsigned long readutf8esc (LexState *ls) {
- unsigned long r;
- int i = 4; /* chars to be removed: '\', 'u', '{', and first digit */
- save_and_next(ls); /* skip 'u' */
- esccheck(ls, ls->current == '{', "missing '{'");
- r = gethexa(ls); /* must have at least one digit */
- while ((save_and_next(ls), lisxdigit(ls->current))) {
- i++;
- r = (r << 4) + luaO_hexavalue(ls->current);
- esccheck(ls, r <= 0x10FFFF, "UTF-8 value too large");
- }
- esccheck(ls, ls->current == '}', "missing '}'");
- next(ls); /* skip '}' */
- luaZ_buffremove(ls->buff, i); /* remove saved chars from buffer */
- return r;
-}
-
-
-static void utf8esc (LexState *ls) {
- char buff[UTF8BUFFSZ];
- int n = luaO_utf8esc(buff, readutf8esc(ls));
- for (; n > 0; n--) /* add 'buff' to string */
- save(ls, buff[UTF8BUFFSZ - n]);
-}
-
-
-static int readdecesc (LexState *ls) {
- int i;
- int r = 0; /* result accumulator */
- for (i = 0; i < 3 && lisdigit(ls->current); i++) { /* read up to 3 digits */
- r = 10*r + ls->current - '0';
- save_and_next(ls);
- }
- esccheck(ls, r <= UCHAR_MAX, "decimal escape too large");
- luaZ_buffremove(ls->buff, i); /* remove read digits from buffer */
- return r;
-}
-
-
-static void read_string (LexState *ls, int del, SemInfo *seminfo) {
- save_and_next(ls); /* keep delimiter (for error messages) */
- while (ls->current != del) {
- switch (ls->current) {
- case EOZ:
- lexerror(ls, "unfinished string", TK_EOS);
- break; /* to avoid warnings */
- case '\n':
- case '\r':
- lexerror(ls, "unfinished string", TK_STRING);
- break; /* to avoid warnings */
- case '\\': { /* escape sequences */
- int c; /* final character to be saved */
- save_and_next(ls); /* keep '\\' for error messages */
- switch (ls->current) {
- case 'a': c = '\a'; goto read_save;
- case 'b': c = '\b'; goto read_save;
- case 'f': c = '\f'; goto read_save;
- case 'n': c = '\n'; goto read_save;
- case 'r': c = '\r'; goto read_save;
- case 't': c = '\t'; goto read_save;
- case 'v': c = '\v'; goto read_save;
- case 'x': c = readhexaesc(ls); goto read_save;
- case 'u': utf8esc(ls); goto no_save;
- case '\n': case '\r':
- inclinenumber(ls); c = '\n'; goto only_save;
- case '\\': case '\"': case '\'':
- c = ls->current; goto read_save;
- case EOZ: goto no_save; /* will raise an error next loop */
- case 'z': { /* zap following span of spaces */
- luaZ_buffremove(ls->buff, 1); /* remove '\\' */
- next(ls); /* skip the 'z' */
- while (lisspace(ls->current)) {
- if (currIsNewline(ls)) inclinenumber(ls);
- else next(ls);
- }
- goto no_save;
- }
- default: {
- esccheck(ls, lisdigit(ls->current), "invalid escape sequence");
- c = readdecesc(ls); /* digital escape '\ddd' */
- goto only_save;
- }
- }
- read_save:
- next(ls);
- /* go through */
- only_save:
- luaZ_buffremove(ls->buff, 1); /* remove '\\' */
- save(ls, c);
- /* go through */
- no_save: break;
- }
- default:
- save_and_next(ls);
- }
- }
- save_and_next(ls); /* skip delimiter */
- seminfo->ts = luaX_newstring(ls, luaZ_buffer(ls->buff) + 1,
- luaZ_bufflen(ls->buff) - 2);
-}
-
-
-static int llex (LexState *ls, SemInfo *seminfo) {
- luaZ_resetbuffer(ls->buff);
- for (;;) {
- switch (ls->current) {
- case '\n': case '\r': { /* line breaks */
- inclinenumber(ls);
- break;
- }
- case ' ': case '\f': case '\t': case '\v': { /* spaces */
- next(ls);
- break;
- }
- case '-': { /* '-' or '--' (comment) */
- next(ls);
- if (ls->current != '-') return '-';
- /* else is a comment */
- next(ls);
- if (ls->current == '[') { /* long comment? */
- size_t sep = skip_sep(ls);
- luaZ_resetbuffer(ls->buff); /* 'skip_sep' may dirty the buffer */
- if (sep >= 2) {
- read_long_string(ls, NULL, sep); /* skip long comment */
- luaZ_resetbuffer(ls->buff); /* previous call may dirty the buff. */
- break;
- }
- }
- /* else short comment */
- while (!currIsNewline(ls) && ls->current != EOZ)
- next(ls); /* skip until end of line (or end of file) */
- break;
- }
- case '[': { /* long string or simply '[' */
- size_t sep = skip_sep(ls);
- if (sep >= 2) {
- read_long_string(ls, seminfo, sep);
- return TK_STRING;
- }
- else if (sep == 0) /* '[=...' missing second bracket */
- lexerror(ls, "invalid long string delimiter", TK_STRING);
- return '[';
- }
- case '=': {
- next(ls);
- if (check_next1(ls, '=')) return TK_EQ;
- else return '=';
- }
- case '<': {
- next(ls);
- if (check_next1(ls, '=')) return TK_LE;
- else if (check_next1(ls, '<')) return TK_SHL;
- else return '<';
- }
- case '>': {
- next(ls);
- if (check_next1(ls, '=')) return TK_GE;
- else if (check_next1(ls, '>')) return TK_SHR;
- else return '>';
- }
- case '/': {
- next(ls);
- if (check_next1(ls, '/')) return TK_IDIV;
- else return '/';
- }
- case '~': {
- next(ls);
- if (check_next1(ls, '=')) return TK_NE;
- else return '~';
- }
- case ':': {
- next(ls);
- if (check_next1(ls, ':')) return TK_DBCOLON;
- else return ':';
- }
- case '"': case '\'': { /* short literal strings */
- read_string(ls, ls->current, seminfo);
- return TK_STRING;
- }
- case '.': { /* '.', '..', '...', or number */
- save_and_next(ls);
- if (check_next1(ls, '.')) {
- if (check_next1(ls, '.'))
- return TK_DOTS; /* '...' */
- else return TK_CONCAT; /* '..' */
- }
- else if (!lisdigit(ls->current)) return '.';
- else return read_numeral(ls, seminfo);
- }
- case '0': case '1': case '2': case '3': case '4':
- case '5': case '6': case '7': case '8': case '9': {
- return read_numeral(ls, seminfo);
- }
- case EOZ: {
- return TK_EOS;
- }
- default: {
- if (lislalpha(ls->current)) { /* identifier or reserved word? */
- TString *ts;
- do {
- save_and_next(ls);
- } while (lislalnum(ls->current));
- ts = luaX_newstring(ls, luaZ_buffer(ls->buff),
- luaZ_bufflen(ls->buff));
- seminfo->ts = ts;
- if (isreserved(ts)) /* reserved word? */
- return ts->extra - 1 + FIRST_RESERVED;
- else {
- return TK_NAME;
- }
- }
- else { /* single-char tokens (+ - / ...) */
- int c = ls->current;
- next(ls);
- return c;
- }
- }
- }
- }
-}
-
-
-void luaX_next (LexState *ls) {
- ls->lastline = ls->linenumber;
- if (ls->lookahead.token != TK_EOS) { /* is there a look-ahead token? */
- ls->t = ls->lookahead; /* use this one */
- ls->lookahead.token = TK_EOS; /* and discharge it */
- }
- else
- ls->t.token = llex(ls, &ls->t.seminfo); /* read next token */
-}
-
-
-int luaX_lookahead (LexState *ls) {
- lua_assert(ls->lookahead.token == TK_EOS);
- ls->lookahead.token = llex(ls, &ls->lookahead.seminfo);
- return ls->lookahead.token;
-}
-
diff --git a/Build/source/libs/lua53/lua53-src/src/llex.h b/Build/source/libs/lua53/lua53-src/src/llex.h
deleted file mode 100644
index 2ed0af66a48..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/llex.h
+++ /dev/null
@@ -1,85 +0,0 @@
-/*
-** $Id: llex.h,v 1.79.1.1 2017/04/19 17:20:42 roberto Exp $
-** Lexical Analyzer
-** See Copyright Notice in lua.h
-*/
-
-#ifndef llex_h
-#define llex_h
-
-#include "lobject.h"
-#include "lzio.h"
-
-
-#define FIRST_RESERVED 257
-
-
-#if !defined(LUA_ENV)
-#define LUA_ENV "_ENV"
-#endif
-
-
-/*
-* WARNING: if you change the order of this enumeration,
-* grep "ORDER RESERVED"
-*/
-enum RESERVED {
- /* terminal symbols denoted by reserved words */
- TK_AND = FIRST_RESERVED, TK_BREAK,
- TK_DO, TK_ELSE, TK_ELSEIF, TK_END, TK_FALSE, TK_FOR, TK_FUNCTION,
- TK_GOTO, TK_IF, TK_IN, TK_LOCAL, TK_NIL, TK_NOT, TK_OR, TK_REPEAT,
- TK_RETURN, TK_THEN, TK_TRUE, TK_UNTIL, TK_WHILE,
- /* other terminal symbols */
- TK_IDIV, TK_CONCAT, TK_DOTS, TK_EQ, TK_GE, TK_LE, TK_NE,
- TK_SHL, TK_SHR,
- TK_DBCOLON, TK_EOS,
- TK_FLT, TK_INT, TK_NAME, TK_STRING
-};
-
-/* number of reserved words */
-#define NUM_RESERVED (cast(int, TK_WHILE-FIRST_RESERVED+1))
-
-
-typedef union {
- lua_Number r;
- lua_Integer i;
- TString *ts;
-} SemInfo; /* semantics information */
-
-
-typedef struct Token {
- int token;
- SemInfo seminfo;
-} Token;
-
-
-/* state of the lexer plus state of the parser when shared by all
- functions */
-typedef struct LexState {
- int current; /* current character (charint) */
- int linenumber; /* input line counter */
- int lastline; /* line of last token 'consumed' */
- Token t; /* current token */
- Token lookahead; /* look ahead token */
- struct FuncState *fs; /* current function (parser) */
- struct lua_State *L;
- ZIO *z; /* input stream */
- Mbuffer *buff; /* buffer for tokens */
- Table *h; /* to avoid collection/reuse strings */
- struct Dyndata *dyd; /* dynamic structures used by the parser */
- TString *source; /* current source name */
- TString *envn; /* environment variable name */
-} LexState;
-
-
-LUAI_FUNC void luaX_init (lua_State *L);
-LUAI_FUNC void luaX_setinput (lua_State *L, LexState *ls, ZIO *z,
- TString *source, int firstchar);
-LUAI_FUNC TString *luaX_newstring (LexState *ls, const char *str, size_t l);
-LUAI_FUNC void luaX_next (LexState *ls);
-LUAI_FUNC int luaX_lookahead (LexState *ls);
-LUAI_FUNC l_noret luaX_syntaxerror (LexState *ls, const char *s);
-LUAI_FUNC const char *luaX_token2str (LexState *ls, int token);
-
-
-#endif
diff --git a/Build/source/libs/lua53/lua53-src/src/llimits.h b/Build/source/libs/lua53/lua53-src/src/llimits.h
deleted file mode 100644
index d1036f6bc8d..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/llimits.h
+++ /dev/null
@@ -1,323 +0,0 @@
-/*
-** $Id: llimits.h,v 1.141.1.1 2017/04/19 17:20:42 roberto Exp $
-** Limits, basic types, and some other 'installation-dependent' definitions
-** See Copyright Notice in lua.h
-*/
-
-#ifndef llimits_h
-#define llimits_h
-
-
-#include <limits.h>
-#include <stddef.h>
-
-
-#include "lua.h"
-
-/*
-** 'lu_mem' and 'l_mem' are unsigned/signed integers big enough to count
-** the total memory used by Lua (in bytes). Usually, 'size_t' and
-** 'ptrdiff_t' should work, but we use 'long' for 16-bit machines.
-*/
-#if defined(LUAI_MEM) /* { external definitions? */
-typedef LUAI_UMEM lu_mem;
-typedef LUAI_MEM l_mem;
-#elif LUAI_BITSINT >= 32 /* }{ */
-typedef size_t lu_mem;
-typedef ptrdiff_t l_mem;
-#else /* 16-bit ints */ /* }{ */
-typedef unsigned long lu_mem;
-typedef long l_mem;
-#endif /* } */
-
-
-/* chars used as small naturals (so that 'char' is reserved for characters) */
-typedef unsigned char lu_byte;
-
-
-/* maximum value for size_t */
-#define MAX_SIZET ((size_t)(~(size_t)0))
-
-/* maximum size visible for Lua (must be representable in a lua_Integer */
-#define MAX_SIZE (sizeof(size_t) < sizeof(lua_Integer) ? MAX_SIZET \
- : (size_t)(LUA_MAXINTEGER))
-
-
-#define MAX_LUMEM ((lu_mem)(~(lu_mem)0))
-
-#define MAX_LMEM ((l_mem)(MAX_LUMEM >> 1))
-
-
-#define MAX_INT INT_MAX /* maximum value of an int */
-
-
-/*
-** conversion of pointer to unsigned integer:
-** this is for hashing only; there is no problem if the integer
-** cannot hold the whole pointer value
-*/
-#define point2uint(p) ((unsigned int)((size_t)(p) & UINT_MAX))
-
-
-
-/* type to ensure maximum alignment */
-#if defined(LUAI_USER_ALIGNMENT_T)
-typedef LUAI_USER_ALIGNMENT_T L_Umaxalign;
-#else
-typedef union {
- lua_Number n;
- double u;
- void *s;
- lua_Integer i;
- long l;
-} L_Umaxalign;
-#endif
-
-
-
-/* types of 'usual argument conversions' for lua_Number and lua_Integer */
-typedef LUAI_UACNUMBER l_uacNumber;
-typedef LUAI_UACINT l_uacInt;
-
-
-/* internal assertions for in-house debugging */
-#if defined(lua_assert)
-#define check_exp(c,e) (lua_assert(c), (e))
-/* to avoid problems with conditions too long */
-#define lua_longassert(c) ((c) ? (void)0 : lua_assert(0))
-#else
-#define lua_assert(c) ((void)0)
-#define check_exp(c,e) (e)
-#define lua_longassert(c) ((void)0)
-#endif
-
-/*
-** assertion for checking API calls
-*/
-#if !defined(luai_apicheck)
-#define luai_apicheck(l,e) lua_assert(e)
-#endif
-
-#define api_check(l,e,msg) luai_apicheck(l,(e) && msg)
-
-
-/* macro to avoid warnings about unused variables */
-#if !defined(UNUSED)
-#define UNUSED(x) ((void)(x))
-#endif
-
-
-/* type casts (a macro highlights casts in the code) */
-#define cast(t, exp) ((t)(exp))
-
-#define cast_void(i) cast(void, (i))
-#define cast_byte(i) cast(lu_byte, (i))
-#define cast_num(i) cast(lua_Number, (i))
-#define cast_int(i) cast(int, (i))
-#define cast_uchar(i) cast(unsigned char, (i))
-
-
-/* cast a signed lua_Integer to lua_Unsigned */
-#if !defined(l_castS2U)
-#define l_castS2U(i) ((lua_Unsigned)(i))
-#endif
-
-/*
-** cast a lua_Unsigned to a signed lua_Integer; this cast is
-** not strict ISO C, but two-complement architectures should
-** work fine.
-*/
-#if !defined(l_castU2S)
-#define l_castU2S(i) ((lua_Integer)(i))
-#endif
-
-
-/*
-** non-return type
-*/
-#if defined(__GNUC__)
-#define l_noret void __attribute__((noreturn))
-#elif defined(_MSC_VER) && _MSC_VER >= 1200
-#define l_noret void __declspec(noreturn)
-#else
-#define l_noret void
-#endif
-
-
-
-/*
-** maximum depth for nested C calls and syntactical nested non-terminals
-** in a program. (Value must fit in an unsigned short int.)
-*/
-#if !defined(LUAI_MAXCCALLS)
-#define LUAI_MAXCCALLS 200
-#endif
-
-
-
-/*
-** type for virtual-machine instructions;
-** must be an unsigned with (at least) 4 bytes (see details in lopcodes.h)
-*/
-#if LUAI_BITSINT >= 32
-typedef unsigned int Instruction;
-#else
-typedef unsigned long Instruction;
-#endif
-
-
-
-/*
-** Maximum length for short strings, that is, strings that are
-** internalized. (Cannot be smaller than reserved words or tags for
-** metamethods, as these strings must be internalized;
-** #("function") = 8, #("__newindex") = 10.)
-*/
-#if !defined(LUAI_MAXSHORTLEN)
-#define LUAI_MAXSHORTLEN 40
-#endif
-
-
-/*
-** Initial size for the string table (must be power of 2).
-** The Lua core alone registers ~50 strings (reserved words +
-** metaevent keys + a few others). Libraries would typically add
-** a few dozens more.
-*/
-#if !defined(MINSTRTABSIZE)
-#define MINSTRTABSIZE 128
-#endif
-
-
-/*
-** Size of cache for strings in the API. 'N' is the number of
-** sets (better be a prime) and "M" is the size of each set (M == 1
-** makes a direct cache.)
-*/
-#if !defined(STRCACHE_N)
-#define STRCACHE_N 53
-#define STRCACHE_M 2
-#endif
-
-
-/* minimum size for string buffer */
-#if !defined(LUA_MINBUFFER)
-#define LUA_MINBUFFER 32
-#endif
-
-
-/*
-** macros that are executed whenever program enters the Lua core
-** ('lua_lock') and leaves the core ('lua_unlock')
-*/
-#if !defined(lua_lock)
-#define lua_lock(L) ((void) 0)
-#define lua_unlock(L) ((void) 0)
-#endif
-
-/*
-** macro executed during Lua functions at points where the
-** function can yield.
-*/
-#if !defined(luai_threadyield)
-#define luai_threadyield(L) {lua_unlock(L); lua_lock(L);}
-#endif
-
-
-/*
-** these macros allow user-specific actions on threads when you defined
-** LUAI_EXTRASPACE and need to do something extra when a thread is
-** created/deleted/resumed/yielded.
-*/
-#if !defined(luai_userstateopen)
-#define luai_userstateopen(L) ((void)L)
-#endif
-
-#if !defined(luai_userstateclose)
-#define luai_userstateclose(L) ((void)L)
-#endif
-
-#if !defined(luai_userstatethread)
-#define luai_userstatethread(L,L1) ((void)L)
-#endif
-
-#if !defined(luai_userstatefree)
-#define luai_userstatefree(L,L1) ((void)L)
-#endif
-
-#if !defined(luai_userstateresume)
-#define luai_userstateresume(L,n) ((void)L)
-#endif
-
-#if !defined(luai_userstateyield)
-#define luai_userstateyield(L,n) ((void)L)
-#endif
-
-
-
-/*
-** The luai_num* macros define the primitive operations over numbers.
-*/
-
-/* floor division (defined as 'floor(a/b)') */
-#if !defined(luai_numidiv)
-#define luai_numidiv(L,a,b) ((void)L, l_floor(luai_numdiv(L,a,b)))
-#endif
-
-/* float division */
-#if !defined(luai_numdiv)
-#define luai_numdiv(L,a,b) ((a)/(b))
-#endif
-
-/*
-** modulo: defined as 'a - floor(a/b)*b'; this definition gives NaN when
-** 'b' is huge, but the result should be 'a'. 'fmod' gives the result of
-** 'a - trunc(a/b)*b', and therefore must be corrected when 'trunc(a/b)
-** ~= floor(a/b)'. That happens when the division has a non-integer
-** negative result, which is equivalent to the test below.
-*/
-#if !defined(luai_nummod)
-#define luai_nummod(L,a,b,m) \
- { (m) = l_mathop(fmod)(a,b); if ((m)*(b) < 0) (m) += (b); }
-#endif
-
-/* exponentiation */
-#if !defined(luai_numpow)
-#define luai_numpow(L,a,b) ((void)L, l_mathop(pow)(a,b))
-#endif
-
-/* the others are quite standard operations */
-#if !defined(luai_numadd)
-#define luai_numadd(L,a,b) ((a)+(b))
-#define luai_numsub(L,a,b) ((a)-(b))
-#define luai_nummul(L,a,b) ((a)*(b))
-#define luai_numunm(L,a) (-(a))
-#define luai_numeq(a,b) ((a)==(b))
-#define luai_numlt(a,b) ((a)<(b))
-#define luai_numle(a,b) ((a)<=(b))
-#define luai_numisnan(a) (!luai_numeq((a), (a)))
-#endif
-
-
-
-
-
-/*
-** macro to control inclusion of some hard tests on stack reallocation
-*/
-#if !defined(HARDSTACKTESTS)
-#define condmovestack(L,pre,pos) ((void)0)
-#else
-/* realloc stack keeping its size */
-#define condmovestack(L,pre,pos) \
- { int sz_ = (L)->stacksize; pre; luaD_reallocstack((L), sz_); pos; }
-#endif
-
-#if !defined(HARDMEMTESTS)
-#define condchangemem(L,pre,pos) ((void)0)
-#else
-#define condchangemem(L,pre,pos) \
- { if (G(L)->gcrunning) { pre; luaC_fullgc(L, 0); pos; } }
-#endif
-
-#endif
diff --git a/Build/source/libs/lua53/lua53-src/src/lmathlib.c b/Build/source/libs/lua53/lua53-src/src/lmathlib.c
deleted file mode 100644
index 7ef7e593fd3..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/lmathlib.c
+++ /dev/null
@@ -1,410 +0,0 @@
-/*
-** $Id: lmathlib.c,v 1.119.1.1 2017/04/19 17:20:42 roberto Exp $
-** Standard mathematical library
-** See Copyright Notice in lua.h
-*/
-
-#define lmathlib_c
-#define LUA_LIB
-
-#include "lprefix.h"
-
-
-#include <stdlib.h>
-#include <math.h>
-
-#include "lua.h"
-
-#include "lauxlib.h"
-#include "lualib.h"
-
-
-#undef PI
-#define PI (l_mathop(3.141592653589793238462643383279502884))
-
-
-#if !defined(l_rand) /* { */
-#if defined(LUA_USE_POSIX)
-#define l_rand() random()
-#define l_srand(x) srandom(x)
-#define L_RANDMAX 2147483647 /* (2^31 - 1), following POSIX */
-#else
-#define l_rand() rand()
-#define l_srand(x) srand(x)
-#define L_RANDMAX RAND_MAX
-#endif
-#endif /* } */
-
-
-static int math_abs (lua_State *L) {
- if (lua_isinteger(L, 1)) {
- lua_Integer n = lua_tointeger(L, 1);
- if (n < 0) n = (lua_Integer)(0u - (lua_Unsigned)n);
- lua_pushinteger(L, n);
- }
- else
- lua_pushnumber(L, l_mathop(fabs)(luaL_checknumber(L, 1)));
- return 1;
-}
-
-static int math_sin (lua_State *L) {
- lua_pushnumber(L, l_mathop(sin)(luaL_checknumber(L, 1)));
- return 1;
-}
-
-static int math_cos (lua_State *L) {
- lua_pushnumber(L, l_mathop(cos)(luaL_checknumber(L, 1)));
- return 1;
-}
-
-static int math_tan (lua_State *L) {
- lua_pushnumber(L, l_mathop(tan)(luaL_checknumber(L, 1)));
- return 1;
-}
-
-static int math_asin (lua_State *L) {
- lua_pushnumber(L, l_mathop(asin)(luaL_checknumber(L, 1)));
- return 1;
-}
-
-static int math_acos (lua_State *L) {
- lua_pushnumber(L, l_mathop(acos)(luaL_checknumber(L, 1)));
- return 1;
-}
-
-static int math_atan (lua_State *L) {
- lua_Number y = luaL_checknumber(L, 1);
- lua_Number x = luaL_optnumber(L, 2, 1);
- lua_pushnumber(L, l_mathop(atan2)(y, x));
- return 1;
-}
-
-
-static int math_toint (lua_State *L) {
- int valid;
- lua_Integer n = lua_tointegerx(L, 1, &valid);
- if (valid)
- lua_pushinteger(L, n);
- else {
- luaL_checkany(L, 1);
- lua_pushnil(L); /* value is not convertible to integer */
- }
- return 1;
-}
-
-
-static void pushnumint (lua_State *L, lua_Number d) {
- lua_Integer n;
- if (lua_numbertointeger(d, &n)) /* does 'd' fit in an integer? */
- lua_pushinteger(L, n); /* result is integer */
- else
- lua_pushnumber(L, d); /* result is float */
-}
-
-
-static int math_floor (lua_State *L) {
- if (lua_isinteger(L, 1))
- lua_settop(L, 1); /* integer is its own floor */
- else {
- lua_Number d = l_mathop(floor)(luaL_checknumber(L, 1));
- pushnumint(L, d);
- }
- return 1;
-}
-
-
-static int math_ceil (lua_State *L) {
- if (lua_isinteger(L, 1))
- lua_settop(L, 1); /* integer is its own ceil */
- else {
- lua_Number d = l_mathop(ceil)(luaL_checknumber(L, 1));
- pushnumint(L, d);
- }
- return 1;
-}
-
-
-static int math_fmod (lua_State *L) {
- if (lua_isinteger(L, 1) && lua_isinteger(L, 2)) {
- lua_Integer d = lua_tointeger(L, 2);
- if ((lua_Unsigned)d + 1u <= 1u) { /* special cases: -1 or 0 */
- luaL_argcheck(L, d != 0, 2, "zero");
- lua_pushinteger(L, 0); /* avoid overflow with 0x80000... / -1 */
- }
- else
- lua_pushinteger(L, lua_tointeger(L, 1) % d);
- }
- else
- lua_pushnumber(L, l_mathop(fmod)(luaL_checknumber(L, 1),
- luaL_checknumber(L, 2)));
- return 1;
-}
-
-
-/*
-** next function does not use 'modf', avoiding problems with 'double*'
-** (which is not compatible with 'float*') when lua_Number is not
-** 'double'.
-*/
-static int math_modf (lua_State *L) {
- if (lua_isinteger(L ,1)) {
- lua_settop(L, 1); /* number is its own integer part */
- lua_pushnumber(L, 0); /* no fractional part */
- }
- else {
- lua_Number n = luaL_checknumber(L, 1);
- /* integer part (rounds toward zero) */
- lua_Number ip = (n < 0) ? l_mathop(ceil)(n) : l_mathop(floor)(n);
- pushnumint(L, ip);
- /* fractional part (test needed for inf/-inf) */
- lua_pushnumber(L, (n == ip) ? l_mathop(0.0) : (n - ip));
- }
- return 2;
-}
-
-
-static int math_sqrt (lua_State *L) {
- lua_pushnumber(L, l_mathop(sqrt)(luaL_checknumber(L, 1)));
- return 1;
-}
-
-
-static int math_ult (lua_State *L) {
- lua_Integer a = luaL_checkinteger(L, 1);
- lua_Integer b = luaL_checkinteger(L, 2);
- lua_pushboolean(L, (lua_Unsigned)a < (lua_Unsigned)b);
- return 1;
-}
-
-static int math_log (lua_State *L) {
- lua_Number x = luaL_checknumber(L, 1);
- lua_Number res;
- if (lua_isnoneornil(L, 2))
- res = l_mathop(log)(x);
- else {
- lua_Number base = luaL_checknumber(L, 2);
-#if !defined(LUA_USE_C89)
- if (base == l_mathop(2.0))
- res = l_mathop(log2)(x); else
-#endif
- if (base == l_mathop(10.0))
- res = l_mathop(log10)(x);
- else
- res = l_mathop(log)(x)/l_mathop(log)(base);
- }
- lua_pushnumber(L, res);
- return 1;
-}
-
-static int math_exp (lua_State *L) {
- lua_pushnumber(L, l_mathop(exp)(luaL_checknumber(L, 1)));
- return 1;
-}
-
-static int math_deg (lua_State *L) {
- lua_pushnumber(L, luaL_checknumber(L, 1) * (l_mathop(180.0) / PI));
- return 1;
-}
-
-static int math_rad (lua_State *L) {
- lua_pushnumber(L, luaL_checknumber(L, 1) * (PI / l_mathop(180.0)));
- return 1;
-}
-
-
-static int math_min (lua_State *L) {
- int n = lua_gettop(L); /* number of arguments */
- int imin = 1; /* index of current minimum value */
- int i;
- luaL_argcheck(L, n >= 1, 1, "value expected");
- for (i = 2; i <= n; i++) {
- if (lua_compare(L, i, imin, LUA_OPLT))
- imin = i;
- }
- lua_pushvalue(L, imin);
- return 1;
-}
-
-
-static int math_max (lua_State *L) {
- int n = lua_gettop(L); /* number of arguments */
- int imax = 1; /* index of current maximum value */
- int i;
- luaL_argcheck(L, n >= 1, 1, "value expected");
- for (i = 2; i <= n; i++) {
- if (lua_compare(L, imax, i, LUA_OPLT))
- imax = i;
- }
- lua_pushvalue(L, imax);
- return 1;
-}
-
-/*
-** This function uses 'double' (instead of 'lua_Number') to ensure that
-** all bits from 'l_rand' can be represented, and that 'RANDMAX + 1.0'
-** will keep full precision (ensuring that 'r' is always less than 1.0.)
-*/
-static int math_random (lua_State *L) {
- lua_Integer low, up;
- double r = (double)l_rand() * (1.0 / ((double)L_RANDMAX + 1.0));
- switch (lua_gettop(L)) { /* check number of arguments */
- case 0: { /* no arguments */
- lua_pushnumber(L, (lua_Number)r); /* Number between 0 and 1 */
- return 1;
- }
- case 1: { /* only upper limit */
- low = 1;
- up = luaL_checkinteger(L, 1);
- break;
- }
- case 2: { /* lower and upper limits */
- low = luaL_checkinteger(L, 1);
- up = luaL_checkinteger(L, 2);
- break;
- }
- default: return luaL_error(L, "wrong number of arguments");
- }
- /* random integer in the interval [low, up] */
- luaL_argcheck(L, low <= up, 1, "interval is empty");
- luaL_argcheck(L, low >= 0 || up <= LUA_MAXINTEGER + low, 1,
- "interval too large");
- r *= (double)(up - low) + 1.0;
- lua_pushinteger(L, (lua_Integer)r + low);
- return 1;
-}
-
-
-static int math_randomseed (lua_State *L) {
- l_srand((unsigned int)(lua_Integer)luaL_checknumber(L, 1));
- (void)l_rand(); /* discard first value to avoid undesirable correlations */
- return 0;
-}
-
-
-static int math_type (lua_State *L) {
- if (lua_type(L, 1) == LUA_TNUMBER) {
- if (lua_isinteger(L, 1))
- lua_pushliteral(L, "integer");
- else
- lua_pushliteral(L, "float");
- }
- else {
- luaL_checkany(L, 1);
- lua_pushnil(L);
- }
- return 1;
-}
-
-
-/*
-** {==================================================================
-** Deprecated functions (for compatibility only)
-** ===================================================================
-*/
-#if defined(LUA_COMPAT_MATHLIB)
-
-static int math_cosh (lua_State *L) {
- lua_pushnumber(L, l_mathop(cosh)(luaL_checknumber(L, 1)));
- return 1;
-}
-
-static int math_sinh (lua_State *L) {
- lua_pushnumber(L, l_mathop(sinh)(luaL_checknumber(L, 1)));
- return 1;
-}
-
-static int math_tanh (lua_State *L) {
- lua_pushnumber(L, l_mathop(tanh)(luaL_checknumber(L, 1)));
- return 1;
-}
-
-static int math_pow (lua_State *L) {
- lua_Number x = luaL_checknumber(L, 1);
- lua_Number y = luaL_checknumber(L, 2);
- lua_pushnumber(L, l_mathop(pow)(x, y));
- return 1;
-}
-
-static int math_frexp (lua_State *L) {
- int e;
- lua_pushnumber(L, l_mathop(frexp)(luaL_checknumber(L, 1), &e));
- lua_pushinteger(L, e);
- return 2;
-}
-
-static int math_ldexp (lua_State *L) {
- lua_Number x = luaL_checknumber(L, 1);
- int ep = (int)luaL_checkinteger(L, 2);
- lua_pushnumber(L, l_mathop(ldexp)(x, ep));
- return 1;
-}
-
-static int math_log10 (lua_State *L) {
- lua_pushnumber(L, l_mathop(log10)(luaL_checknumber(L, 1)));
- return 1;
-}
-
-#endif
-/* }================================================================== */
-
-
-
-static const luaL_Reg mathlib[] = {
- {"abs", math_abs},
- {"acos", math_acos},
- {"asin", math_asin},
- {"atan", math_atan},
- {"ceil", math_ceil},
- {"cos", math_cos},
- {"deg", math_deg},
- {"exp", math_exp},
- {"tointeger", math_toint},
- {"floor", math_floor},
- {"fmod", math_fmod},
- {"ult", math_ult},
- {"log", math_log},
- {"max", math_max},
- {"min", math_min},
- {"modf", math_modf},
- {"rad", math_rad},
- {"random", math_random},
- {"randomseed", math_randomseed},
- {"sin", math_sin},
- {"sqrt", math_sqrt},
- {"tan", math_tan},
- {"type", math_type},
-#if defined(LUA_COMPAT_MATHLIB)
- {"atan2", math_atan},
- {"cosh", math_cosh},
- {"sinh", math_sinh},
- {"tanh", math_tanh},
- {"pow", math_pow},
- {"frexp", math_frexp},
- {"ldexp", math_ldexp},
- {"log10", math_log10},
-#endif
- /* placeholders */
- {"pi", NULL},
- {"huge", NULL},
- {"maxinteger", NULL},
- {"mininteger", NULL},
- {NULL, NULL}
-};
-
-
-/*
-** Open math library
-*/
-LUAMOD_API int luaopen_math (lua_State *L) {
- luaL_newlib(L, mathlib);
- lua_pushnumber(L, PI);
- lua_setfield(L, -2, "pi");
- lua_pushnumber(L, (lua_Number)HUGE_VAL);
- lua_setfield(L, -2, "huge");
- lua_pushinteger(L, LUA_MAXINTEGER);
- lua_setfield(L, -2, "maxinteger");
- lua_pushinteger(L, LUA_MININTEGER);
- lua_setfield(L, -2, "mininteger");
- return 1;
-}
-
diff --git a/Build/source/libs/lua53/lua53-src/src/lmem.c b/Build/source/libs/lua53/lua53-src/src/lmem.c
deleted file mode 100644
index 0241cc3bac0..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/lmem.c
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
-** $Id: lmem.c,v 1.91.1.1 2017/04/19 17:20:42 roberto Exp $
-** Interface to Memory Manager
-** See Copyright Notice in lua.h
-*/
-
-#define lmem_c
-#define LUA_CORE
-
-#include "lprefix.h"
-
-
-#include <stddef.h>
-
-#include "lua.h"
-
-#include "ldebug.h"
-#include "ldo.h"
-#include "lgc.h"
-#include "lmem.h"
-#include "lobject.h"
-#include "lstate.h"
-
-
-
-/*
-** About the realloc function:
-** void * frealloc (void *ud, void *ptr, size_t osize, size_t nsize);
-** ('osize' is the old size, 'nsize' is the new size)
-**
-** * frealloc(ud, NULL, x, s) creates a new block of size 's' (no
-** matter 'x').
-**
-** * frealloc(ud, p, x, 0) frees the block 'p'
-** (in this specific case, frealloc must return NULL);
-** particularly, frealloc(ud, NULL, 0, 0) does nothing
-** (which is equivalent to free(NULL) in ISO C)
-**
-** frealloc returns NULL if it cannot create or reallocate the area
-** (any reallocation to an equal or smaller size cannot fail!)
-*/
-
-
-
-#define MINSIZEARRAY 4
-
-
-void *luaM_growaux_ (lua_State *L, void *block, int *size, size_t size_elems,
- int limit, const char *what) {
- void *newblock;
- int newsize;
- if (*size >= limit/2) { /* cannot double it? */
- if (*size >= limit) /* cannot grow even a little? */
- luaG_runerror(L, "too many %s (limit is %d)", what, limit);
- newsize = limit; /* still have at least one free place */
- }
- else {
- newsize = (*size)*2;
- if (newsize < MINSIZEARRAY)
- newsize = MINSIZEARRAY; /* minimum size */
- }
- newblock = luaM_reallocv(L, block, *size, newsize, size_elems);
- *size = newsize; /* update only when everything else is OK */
- return newblock;
-}
-
-
-l_noret luaM_toobig (lua_State *L) {
- luaG_runerror(L, "memory allocation error: block too big");
-}
-
-
-
-/*
-** generic allocation routine.
-*/
-void *luaM_realloc_ (lua_State *L, void *block, size_t osize, size_t nsize) {
- void *newblock;
- global_State *g = G(L);
- size_t realosize = (block) ? osize : 0;
- lua_assert((realosize == 0) == (block == NULL));
-#if defined(HARDMEMTESTS)
- if (nsize > realosize && g->gcrunning)
- luaC_fullgc(L, 1); /* force a GC whenever possible */
-#endif
- newblock = (*g->frealloc)(g->ud, block, osize, nsize);
- if (newblock == NULL && nsize > 0) {
- lua_assert(nsize > realosize); /* cannot fail when shrinking a block */
- if (g->version) { /* is state fully built? */
- luaC_fullgc(L, 1); /* try to free some memory... */
- newblock = (*g->frealloc)(g->ud, block, osize, nsize); /* try again */
- }
- if (newblock == NULL)
- luaD_throw(L, LUA_ERRMEM);
- }
- lua_assert((nsize == 0) == (newblock == NULL));
- g->GCdebt = (g->GCdebt + nsize) - realosize;
- return newblock;
-}
-
diff --git a/Build/source/libs/lua53/lua53-src/src/lmem.h b/Build/source/libs/lua53/lua53-src/src/lmem.h
deleted file mode 100644
index 357b1e43e7f..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/lmem.h
+++ /dev/null
@@ -1,69 +0,0 @@
-/*
-** $Id: lmem.h,v 1.43.1.1 2017/04/19 17:20:42 roberto Exp $
-** Interface to Memory Manager
-** See Copyright Notice in lua.h
-*/
-
-#ifndef lmem_h
-#define lmem_h
-
-
-#include <stddef.h>
-
-#include "llimits.h"
-#include "lua.h"
-
-
-/*
-** This macro reallocs a vector 'b' from 'on' to 'n' elements, where
-** each element has size 'e'. In case of arithmetic overflow of the
-** product 'n'*'e', it raises an error (calling 'luaM_toobig'). Because
-** 'e' is always constant, it avoids the runtime division MAX_SIZET/(e).
-**
-** (The macro is somewhat complex to avoid warnings: The 'sizeof'
-** comparison avoids a runtime comparison when overflow cannot occur.
-** The compiler should be able to optimize the real test by itself, but
-** when it does it, it may give a warning about "comparison is always
-** false due to limited range of data type"; the +1 tricks the compiler,
-** avoiding this warning but also this optimization.)
-*/
-#define luaM_reallocv(L,b,on,n,e) \
- (((sizeof(n) >= sizeof(size_t) && cast(size_t, (n)) + 1 > MAX_SIZET/(e)) \
- ? luaM_toobig(L) : cast_void(0)) , \
- luaM_realloc_(L, (b), (on)*(e), (n)*(e)))
-
-/*
-** Arrays of chars do not need any test
-*/
-#define luaM_reallocvchar(L,b,on,n) \
- cast(char *, luaM_realloc_(L, (b), (on)*sizeof(char), (n)*sizeof(char)))
-
-#define luaM_freemem(L, b, s) luaM_realloc_(L, (b), (s), 0)
-#define luaM_free(L, b) luaM_realloc_(L, (b), sizeof(*(b)), 0)
-#define luaM_freearray(L, b, n) luaM_realloc_(L, (b), (n)*sizeof(*(b)), 0)
-
-#define luaM_malloc(L,s) luaM_realloc_(L, NULL, 0, (s))
-#define luaM_new(L,t) cast(t *, luaM_malloc(L, sizeof(t)))
-#define luaM_newvector(L,n,t) \
- cast(t *, luaM_reallocv(L, NULL, 0, n, sizeof(t)))
-
-#define luaM_newobject(L,tag,s) luaM_realloc_(L, NULL, tag, (s))
-
-#define luaM_growvector(L,v,nelems,size,t,limit,e) \
- if ((nelems)+1 > (size)) \
- ((v)=cast(t *, luaM_growaux_(L,v,&(size),sizeof(t),limit,e)))
-
-#define luaM_reallocvector(L, v,oldn,n,t) \
- ((v)=cast(t *, luaM_reallocv(L, v, oldn, n, sizeof(t))))
-
-LUAI_FUNC l_noret luaM_toobig (lua_State *L);
-
-/* not to be called directly */
-LUAI_FUNC void *luaM_realloc_ (lua_State *L, void *block, size_t oldsize,
- size_t size);
-LUAI_FUNC void *luaM_growaux_ (lua_State *L, void *block, int *size,
- size_t size_elem, int limit,
- const char *what);
-
-#endif
-
diff --git a/Build/source/libs/lua53/lua53-src/src/loadlib.c b/Build/source/libs/lua53/lua53-src/src/loadlib.c
deleted file mode 100644
index 45f44d3225a..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/loadlib.c
+++ /dev/null
@@ -1,790 +0,0 @@
-/*
-** $Id: loadlib.c,v 1.130.1.1 2017/04/19 17:20:42 roberto Exp $
-** Dynamic library loader for Lua
-** See Copyright Notice in lua.h
-**
-** This module contains an implementation of loadlib for Unix systems
-** that have dlfcn, an implementation for Windows, and a stub for other
-** systems.
-*/
-
-#define loadlib_c
-#define LUA_LIB
-
-#include "lprefix.h"
-
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "lua.h"
-
-#include "lauxlib.h"
-#include "lualib.h"
-
-
-/*
-** LUA_IGMARK is a mark to ignore all before it when building the
-** luaopen_ function name.
-*/
-#if !defined (LUA_IGMARK)
-#define LUA_IGMARK "-"
-#endif
-
-
-/*
-** LUA_CSUBSEP is the character that replaces dots in submodule names
-** when searching for a C loader.
-** LUA_LSUBSEP is the character that replaces dots in submodule names
-** when searching for a Lua loader.
-*/
-#if !defined(LUA_CSUBSEP)
-#define LUA_CSUBSEP LUA_DIRSEP
-#endif
-
-#if !defined(LUA_LSUBSEP)
-#define LUA_LSUBSEP LUA_DIRSEP
-#endif
-
-
-/* prefix for open functions in C libraries */
-#define LUA_POF "luaopen_"
-
-/* separator for open functions in C libraries */
-#define LUA_OFSEP "_"
-
-
-/*
-** unique key for table in the registry that keeps handles
-** for all loaded C libraries
-*/
-static const int CLIBS = 0;
-
-#define LIB_FAIL "open"
-
-
-#define setprogdir(L) ((void)0)
-
-
-/*
-** system-dependent functions
-*/
-
-/*
-** unload library 'lib'
-*/
-static void lsys_unloadlib (void *lib);
-
-/*
-** load C library in file 'path'. If 'seeglb', load with all names in
-** the library global.
-** Returns the library; in case of error, returns NULL plus an
-** error string in the stack.
-*/
-static void *lsys_load (lua_State *L, const char *path, int seeglb);
-
-/*
-** Try to find a function named 'sym' in library 'lib'.
-** Returns the function; in case of error, returns NULL plus an
-** error string in the stack.
-*/
-static lua_CFunction lsys_sym (lua_State *L, void *lib, const char *sym);
-
-
-
-
-#if defined(LUA_USE_DLOPEN) /* { */
-/*
-** {========================================================================
-** This is an implementation of loadlib based on the dlfcn interface.
-** The dlfcn interface is available in Linux, SunOS, Solaris, IRIX, FreeBSD,
-** NetBSD, AIX 4.2, HPUX 11, and probably most other Unix flavors, at least
-** as an emulation layer on top of native functions.
-** =========================================================================
-*/
-
-#include <dlfcn.h>
-
-/*
-** Macro to convert pointer-to-void* to pointer-to-function. This cast
-** is undefined according to ISO C, but POSIX assumes that it works.
-** (The '__extension__' in gnu compilers is only to avoid warnings.)
-*/
-#if defined(__GNUC__)
-#define cast_func(p) (__extension__ (lua_CFunction)(p))
-#else
-#define cast_func(p) ((lua_CFunction)(p))
-#endif
-
-
-static void lsys_unloadlib (void *lib) {
- dlclose(lib);
-}
-
-
-static void *lsys_load (lua_State *L, const char *path, int seeglb) {
- void *lib = dlopen(path, RTLD_NOW | (seeglb ? RTLD_GLOBAL : RTLD_LOCAL));
- if (lib == NULL) lua_pushstring(L, dlerror());
- return lib;
-}
-
-
-static lua_CFunction lsys_sym (lua_State *L, void *lib, const char *sym) {
- lua_CFunction f = cast_func(dlsym(lib, sym));
- if (f == NULL) lua_pushstring(L, dlerror());
- return f;
-}
-
-/* }====================================================== */
-
-
-
-#elif defined(LUA_DL_DLL) /* }{ */
-/*
-** {======================================================================
-** This is an implementation of loadlib for Windows using native functions.
-** =======================================================================
-*/
-
-#include <windows.h>
-
-
-/*
-** optional flags for LoadLibraryEx
-*/
-#if !defined(LUA_LLE_FLAGS)
-#define LUA_LLE_FLAGS 0
-#endif
-
-
-#undef setprogdir
-
-
-/*
-** Replace in the path (on the top of the stack) any occurrence
-** of LUA_EXEC_DIR with the executable's path.
-*/
-static void setprogdir (lua_State *L) {
- char buff[MAX_PATH + 1];
- char *lb;
- DWORD nsize = sizeof(buff)/sizeof(char);
- DWORD n = GetModuleFileNameA(NULL, buff, nsize); /* get exec. name */
- if (n == 0 || n == nsize || (lb = strrchr(buff, '\\')) == NULL)
- luaL_error(L, "unable to get ModuleFileName");
- else {
- *lb = '\0'; /* cut name on the last '\\' to get the path */
- luaL_gsub(L, lua_tostring(L, -1), LUA_EXEC_DIR, buff);
- lua_remove(L, -2); /* remove original string */
- }
-}
-
-
-
-
-static void pusherror (lua_State *L) {
- int error = GetLastError();
- char buffer[128];
- if (FormatMessageA(FORMAT_MESSAGE_IGNORE_INSERTS | FORMAT_MESSAGE_FROM_SYSTEM,
- NULL, error, 0, buffer, sizeof(buffer)/sizeof(char), NULL))
- lua_pushstring(L, buffer);
- else
- lua_pushfstring(L, "system error %d\n", error);
-}
-
-static void lsys_unloadlib (void *lib) {
- FreeLibrary((HMODULE)lib);
-}
-
-
-static void *lsys_load (lua_State *L, const char *path, int seeglb) {
- HMODULE lib = LoadLibraryExA(path, NULL, LUA_LLE_FLAGS);
- (void)(seeglb); /* not used: symbols are 'global' by default */
- if (lib == NULL) pusherror(L);
- return lib;
-}
-
-
-static lua_CFunction lsys_sym (lua_State *L, void *lib, const char *sym) {
- lua_CFunction f = (lua_CFunction)GetProcAddress((HMODULE)lib, sym);
- if (f == NULL) pusherror(L);
- return f;
-}
-
-/* }====================================================== */
-
-
-#else /* }{ */
-/*
-** {======================================================
-** Fallback for other systems
-** =======================================================
-*/
-
-#undef LIB_FAIL
-#define LIB_FAIL "absent"
-
-
-#define DLMSG "dynamic libraries not enabled; check your Lua installation"
-
-
-static void lsys_unloadlib (void *lib) {
- (void)(lib); /* not used */
-}
-
-
-static void *lsys_load (lua_State *L, const char *path, int seeglb) {
- (void)(path); (void)(seeglb); /* not used */
- lua_pushliteral(L, DLMSG);
- return NULL;
-}
-
-
-static lua_CFunction lsys_sym (lua_State *L, void *lib, const char *sym) {
- (void)(lib); (void)(sym); /* not used */
- lua_pushliteral(L, DLMSG);
- return NULL;
-}
-
-/* }====================================================== */
-#endif /* } */
-
-
-/*
-** {==================================================================
-** Set Paths
-** ===================================================================
-*/
-
-/*
-** LUA_PATH_VAR and LUA_CPATH_VAR are the names of the environment
-** variables that Lua check to set its paths.
-*/
-#if !defined(LUA_PATH_VAR)
-#define LUA_PATH_VAR "LUA_PATH"
-#endif
-
-#if !defined(LUA_CPATH_VAR)
-#define LUA_CPATH_VAR "LUA_CPATH"
-#endif
-
-
-#define AUXMARK "\1" /* auxiliary mark */
-
-
-/*
-** return registry.LUA_NOENV as a boolean
-*/
-static int noenv (lua_State *L) {
- int b;
- lua_getfield(L, LUA_REGISTRYINDEX, "LUA_NOENV");
- b = lua_toboolean(L, -1);
- lua_pop(L, 1); /* remove value */
- return b;
-}
-
-
-/*
-** Set a path
-*/
-static void setpath (lua_State *L, const char *fieldname,
- const char *envname,
- const char *dft) {
- const char *nver = lua_pushfstring(L, "%s%s", envname, LUA_VERSUFFIX);
- const char *path = getenv(nver); /* use versioned name */
- if (path == NULL) /* no environment variable? */
- path = getenv(envname); /* try unversioned name */
- if (path == NULL || noenv(L)) /* no environment variable? */
- lua_pushstring(L, dft); /* use default */
- else {
- /* replace ";;" by ";AUXMARK;" and then AUXMARK by default path */
- path = luaL_gsub(L, path, LUA_PATH_SEP LUA_PATH_SEP,
- LUA_PATH_SEP AUXMARK LUA_PATH_SEP);
- luaL_gsub(L, path, AUXMARK, dft);
- lua_remove(L, -2); /* remove result from 1st 'gsub' */
- }
- setprogdir(L);
- lua_setfield(L, -3, fieldname); /* package[fieldname] = path value */
- lua_pop(L, 1); /* pop versioned variable name */
-}
-
-/* }================================================================== */
-
-
-/*
-** return registry.CLIBS[path]
-*/
-static void *checkclib (lua_State *L, const char *path) {
- void *plib;
- lua_rawgetp(L, LUA_REGISTRYINDEX, &CLIBS);
- lua_getfield(L, -1, path);
- plib = lua_touserdata(L, -1); /* plib = CLIBS[path] */
- lua_pop(L, 2); /* pop CLIBS table and 'plib' */
- return plib;
-}
-
-
-/*
-** registry.CLIBS[path] = plib -- for queries
-** registry.CLIBS[#CLIBS + 1] = plib -- also keep a list of all libraries
-*/
-static void addtoclib (lua_State *L, const char *path, void *plib) {
- lua_rawgetp(L, LUA_REGISTRYINDEX, &CLIBS);
- lua_pushlightuserdata(L, plib);
- lua_pushvalue(L, -1);
- lua_setfield(L, -3, path); /* CLIBS[path] = plib */
- lua_rawseti(L, -2, luaL_len(L, -2) + 1); /* CLIBS[#CLIBS + 1] = plib */
- lua_pop(L, 1); /* pop CLIBS table */
-}
-
-
-/*
-** __gc tag method for CLIBS table: calls 'lsys_unloadlib' for all lib
-** handles in list CLIBS
-*/
-static int gctm (lua_State *L) {
- lua_Integer n = luaL_len(L, 1);
- for (; n >= 1; n--) { /* for each handle, in reverse order */
- lua_rawgeti(L, 1, n); /* get handle CLIBS[n] */
- lsys_unloadlib(lua_touserdata(L, -1));
- lua_pop(L, 1); /* pop handle */
- }
- return 0;
-}
-
-
-
-/* error codes for 'lookforfunc' */
-#define ERRLIB 1
-#define ERRFUNC 2
-
-/*
-** Look for a C function named 'sym' in a dynamically loaded library
-** 'path'.
-** First, check whether the library is already loaded; if not, try
-** to load it.
-** Then, if 'sym' is '*', return true (as library has been loaded).
-** Otherwise, look for symbol 'sym' in the library and push a
-** C function with that symbol.
-** Return 0 and 'true' or a function in the stack; in case of
-** errors, return an error code and an error message in the stack.
-*/
-static int lookforfunc (lua_State *L, const char *path, const char *sym) {
- void *reg = checkclib(L, path); /* check loaded C libraries */
- if (reg == NULL) { /* must load library? */
- reg = lsys_load(L, path, *sym == '*'); /* global symbols if 'sym'=='*' */
- if (reg == NULL) return ERRLIB; /* unable to load library */
- addtoclib(L, path, reg);
- }
- if (*sym == '*') { /* loading only library (no function)? */
- lua_pushboolean(L, 1); /* return 'true' */
- return 0; /* no errors */
- }
- else {
- lua_CFunction f = lsys_sym(L, reg, sym);
- if (f == NULL)
- return ERRFUNC; /* unable to find function */
- lua_pushcfunction(L, f); /* else create new function */
- return 0; /* no errors */
- }
-}
-
-
-static int ll_loadlib (lua_State *L) {
- const char *path = luaL_checkstring(L, 1);
- const char *init = luaL_checkstring(L, 2);
- int stat = lookforfunc(L, path, init);
- if (stat == 0) /* no errors? */
- return 1; /* return the loaded function */
- else { /* error; error message is on stack top */
- lua_pushnil(L);
- lua_insert(L, -2);
- lua_pushstring(L, (stat == ERRLIB) ? LIB_FAIL : "init");
- return 3; /* return nil, error message, and where */
- }
-}
-
-
-
-/*
-** {======================================================
-** 'require' function
-** =======================================================
-*/
-
-
-static int readable (const char *filename) {
- FILE *f = fopen(filename, "r"); /* try to open file */
- if (f == NULL) return 0; /* open failed */
- fclose(f);
- return 1;
-}
-
-
-static const char *pushnexttemplate (lua_State *L, const char *path) {
- const char *l;
- while (*path == *LUA_PATH_SEP) path++; /* skip separators */
- if (*path == '\0') return NULL; /* no more templates */
- l = strchr(path, *LUA_PATH_SEP); /* find next separator */
- if (l == NULL) l = path + strlen(path);
- lua_pushlstring(L, path, l - path); /* template */
- return l;
-}
-
-
-static const char *searchpath (lua_State *L, const char *name,
- const char *path,
- const char *sep,
- const char *dirsep) {
- luaL_Buffer msg; /* to build error message */
- luaL_buffinit(L, &msg);
- if (*sep != '\0') /* non-empty separator? */
- name = luaL_gsub(L, name, sep, dirsep); /* replace it by 'dirsep' */
- while ((path = pushnexttemplate(L, path)) != NULL) {
- const char *filename = luaL_gsub(L, lua_tostring(L, -1),
- LUA_PATH_MARK, name);
- lua_remove(L, -2); /* remove path template */
- if (readable(filename)) /* does file exist and is readable? */
- return filename; /* return that file name */
- lua_pushfstring(L, "\n\tno file '%s'", filename);
- lua_remove(L, -2); /* remove file name */
- luaL_addvalue(&msg); /* concatenate error msg. entry */
- }
- luaL_pushresult(&msg); /* create error message */
- return NULL; /* not found */
-}
-
-
-static int ll_searchpath (lua_State *L) {
- const char *f = searchpath(L, luaL_checkstring(L, 1),
- luaL_checkstring(L, 2),
- luaL_optstring(L, 3, "."),
- luaL_optstring(L, 4, LUA_DIRSEP));
- if (f != NULL) return 1;
- else { /* error message is on top of the stack */
- lua_pushnil(L);
- lua_insert(L, -2);
- return 2; /* return nil + error message */
- }
-}
-
-
-static const char *findfile (lua_State *L, const char *name,
- const char *pname,
- const char *dirsep) {
- const char *path;
- lua_getfield(L, lua_upvalueindex(1), pname);
- path = lua_tostring(L, -1);
- if (path == NULL)
- luaL_error(L, "'package.%s' must be a string", pname);
- return searchpath(L, name, path, ".", dirsep);
-}
-
-
-static int checkload (lua_State *L, int stat, const char *filename) {
- if (stat) { /* module loaded successfully? */
- lua_pushstring(L, filename); /* will be 2nd argument to module */
- return 2; /* return open function and file name */
- }
- else
- return luaL_error(L, "error loading module '%s' from file '%s':\n\t%s",
- lua_tostring(L, 1), filename, lua_tostring(L, -1));
-}
-
-
-static int searcher_Lua (lua_State *L) {
- const char *filename;
- const char *name = luaL_checkstring(L, 1);
- filename = findfile(L, name, "path", LUA_LSUBSEP);
- if (filename == NULL) return 1; /* module not found in this path */
- return checkload(L, (luaL_loadfile(L, filename) == LUA_OK), filename);
-}
-
-
-/*
-** Try to find a load function for module 'modname' at file 'filename'.
-** First, change '.' to '_' in 'modname'; then, if 'modname' has
-** the form X-Y (that is, it has an "ignore mark"), build a function
-** name "luaopen_X" and look for it. (For compatibility, if that
-** fails, it also tries "luaopen_Y".) If there is no ignore mark,
-** look for a function named "luaopen_modname".
-*/
-static int loadfunc (lua_State *L, const char *filename, const char *modname) {
- const char *openfunc;
- const char *mark;
- modname = luaL_gsub(L, modname, ".", LUA_OFSEP);
- mark = strchr(modname, *LUA_IGMARK);
- if (mark) {
- int stat;
- openfunc = lua_pushlstring(L, modname, mark - modname);
- openfunc = lua_pushfstring(L, LUA_POF"%s", openfunc);
- stat = lookforfunc(L, filename, openfunc);
- if (stat != ERRFUNC) return stat;
- modname = mark + 1; /* else go ahead and try old-style name */
- }
- openfunc = lua_pushfstring(L, LUA_POF"%s", modname);
- return lookforfunc(L, filename, openfunc);
-}
-
-
-static int searcher_C (lua_State *L) {
- const char *name = luaL_checkstring(L, 1);
- const char *filename = findfile(L, name, "cpath", LUA_CSUBSEP);
- if (filename == NULL) return 1; /* module not found in this path */
- return checkload(L, (loadfunc(L, filename, name) == 0), filename);
-}
-
-
-static int searcher_Croot (lua_State *L) {
- const char *filename;
- const char *name = luaL_checkstring(L, 1);
- const char *p = strchr(name, '.');
- int stat;
- if (p == NULL) return 0; /* is root */
- lua_pushlstring(L, name, p - name);
- filename = findfile(L, lua_tostring(L, -1), "cpath", LUA_CSUBSEP);
- if (filename == NULL) return 1; /* root not found */
- if ((stat = loadfunc(L, filename, name)) != 0) {
- if (stat != ERRFUNC)
- return checkload(L, 0, filename); /* real error */
- else { /* open function not found */
- lua_pushfstring(L, "\n\tno module '%s' in file '%s'", name, filename);
- return 1;
- }
- }
- lua_pushstring(L, filename); /* will be 2nd argument to module */
- return 2;
-}
-
-
-static int searcher_preload (lua_State *L) {
- const char *name = luaL_checkstring(L, 1);
- lua_getfield(L, LUA_REGISTRYINDEX, LUA_PRELOAD_TABLE);
- if (lua_getfield(L, -1, name) == LUA_TNIL) /* not found? */
- lua_pushfstring(L, "\n\tno field package.preload['%s']", name);
- return 1;
-}
-
-
-static void findloader (lua_State *L, const char *name) {
- int i;
- luaL_Buffer msg; /* to build error message */
- luaL_buffinit(L, &msg);
- /* push 'package.searchers' to index 3 in the stack */
- if (lua_getfield(L, lua_upvalueindex(1), "searchers") != LUA_TTABLE)
- luaL_error(L, "'package.searchers' must be a table");
- /* iterate over available searchers to find a loader */
- for (i = 1; ; i++) {
- if (lua_rawgeti(L, 3, i) == LUA_TNIL) { /* no more searchers? */
- lua_pop(L, 1); /* remove nil */
- luaL_pushresult(&msg); /* create error message */
- luaL_error(L, "module '%s' not found:%s", name, lua_tostring(L, -1));
- }
- lua_pushstring(L, name);
- lua_call(L, 1, 2); /* call it */
- if (lua_isfunction(L, -2)) /* did it find a loader? */
- return; /* module loader found */
- else if (lua_isstring(L, -2)) { /* searcher returned error message? */
- lua_pop(L, 1); /* remove extra return */
- luaL_addvalue(&msg); /* concatenate error message */
- }
- else
- lua_pop(L, 2); /* remove both returns */
- }
-}
-
-
-static int ll_require (lua_State *L) {
- const char *name = luaL_checkstring(L, 1);
- lua_settop(L, 1); /* LOADED table will be at index 2 */
- lua_getfield(L, LUA_REGISTRYINDEX, LUA_LOADED_TABLE);
- lua_getfield(L, 2, name); /* LOADED[name] */
- if (lua_toboolean(L, -1)) /* is it there? */
- return 1; /* package is already loaded */
- /* else must load package */
- lua_pop(L, 1); /* remove 'getfield' result */
- findloader(L, name);
- lua_pushstring(L, name); /* pass name as argument to module loader */
- lua_insert(L, -2); /* name is 1st argument (before search data) */
- lua_call(L, 2, 1); /* run loader to load module */
- if (!lua_isnil(L, -1)) /* non-nil return? */
- lua_setfield(L, 2, name); /* LOADED[name] = returned value */
- if (lua_getfield(L, 2, name) == LUA_TNIL) { /* module set no value? */
- lua_pushboolean(L, 1); /* use true as result */
- lua_pushvalue(L, -1); /* extra copy to be returned */
- lua_setfield(L, 2, name); /* LOADED[name] = true */
- }
- return 1;
-}
-
-/* }====================================================== */
-
-
-
-/*
-** {======================================================
-** 'module' function
-** =======================================================
-*/
-#if defined(LUA_COMPAT_MODULE)
-
-/*
-** changes the environment variable of calling function
-*/
-static void set_env (lua_State *L) {
- lua_Debug ar;
- if (lua_getstack(L, 1, &ar) == 0 ||
- lua_getinfo(L, "f", &ar) == 0 || /* get calling function */
- lua_iscfunction(L, -1))
- luaL_error(L, "'module' not called from a Lua function");
- lua_pushvalue(L, -2); /* copy new environment table to top */
- lua_setupvalue(L, -2, 1);
- lua_pop(L, 1); /* remove function */
-}
-
-
-static void dooptions (lua_State *L, int n) {
- int i;
- for (i = 2; i <= n; i++) {
- if (lua_isfunction(L, i)) { /* avoid 'calling' extra info. */
- lua_pushvalue(L, i); /* get option (a function) */
- lua_pushvalue(L, -2); /* module */
- lua_call(L, 1, 0);
- }
- }
-}
-
-
-static void modinit (lua_State *L, const char *modname) {
- const char *dot;
- lua_pushvalue(L, -1);
- lua_setfield(L, -2, "_M"); /* module._M = module */
- lua_pushstring(L, modname);
- lua_setfield(L, -2, "_NAME");
- dot = strrchr(modname, '.'); /* look for last dot in module name */
- if (dot == NULL) dot = modname;
- else dot++;
- /* set _PACKAGE as package name (full module name minus last part) */
- lua_pushlstring(L, modname, dot - modname);
- lua_setfield(L, -2, "_PACKAGE");
-}
-
-
-static int ll_module (lua_State *L) {
- const char *modname = luaL_checkstring(L, 1);
- int lastarg = lua_gettop(L); /* last parameter */
- luaL_pushmodule(L, modname, 1); /* get/create module table */
- /* check whether table already has a _NAME field */
- if (lua_getfield(L, -1, "_NAME") != LUA_TNIL)
- lua_pop(L, 1); /* table is an initialized module */
- else { /* no; initialize it */
- lua_pop(L, 1);
- modinit(L, modname);
- }
- lua_pushvalue(L, -1);
- set_env(L);
- dooptions(L, lastarg);
- return 1;
-}
-
-
-static int ll_seeall (lua_State *L) {
- luaL_checktype(L, 1, LUA_TTABLE);
- if (!lua_getmetatable(L, 1)) {
- lua_createtable(L, 0, 1); /* create new metatable */
- lua_pushvalue(L, -1);
- lua_setmetatable(L, 1);
- }
- lua_pushglobaltable(L);
- lua_setfield(L, -2, "__index"); /* mt.__index = _G */
- return 0;
-}
-
-#endif
-/* }====================================================== */
-
-
-
-static const luaL_Reg pk_funcs[] = {
- {"loadlib", ll_loadlib},
- {"searchpath", ll_searchpath},
-#if defined(LUA_COMPAT_MODULE)
- {"seeall", ll_seeall},
-#endif
- /* placeholders */
- {"preload", NULL},
- {"cpath", NULL},
- {"path", NULL},
- {"searchers", NULL},
- {"loaded", NULL},
- {NULL, NULL}
-};
-
-
-static const luaL_Reg ll_funcs[] = {
-#if defined(LUA_COMPAT_MODULE)
- {"module", ll_module},
-#endif
- {"require", ll_require},
- {NULL, NULL}
-};
-
-
-static void createsearcherstable (lua_State *L) {
- static const lua_CFunction searchers[] =
- {searcher_preload, searcher_Lua, searcher_C, searcher_Croot, NULL};
- int i;
- /* create 'searchers' table */
- lua_createtable(L, sizeof(searchers)/sizeof(searchers[0]) - 1, 0);
- /* fill it with predefined searchers */
- for (i=0; searchers[i] != NULL; i++) {
- lua_pushvalue(L, -2); /* set 'package' as upvalue for all searchers */
- lua_pushcclosure(L, searchers[i], 1);
- lua_rawseti(L, -2, i+1);
- }
-#if defined(LUA_COMPAT_LOADERS)
- lua_pushvalue(L, -1); /* make a copy of 'searchers' table */
- lua_setfield(L, -3, "loaders"); /* put it in field 'loaders' */
-#endif
- lua_setfield(L, -2, "searchers"); /* put it in field 'searchers' */
-}
-
-
-/*
-** create table CLIBS to keep track of loaded C libraries,
-** setting a finalizer to close all libraries when closing state.
-*/
-static void createclibstable (lua_State *L) {
- lua_newtable(L); /* create CLIBS table */
- lua_createtable(L, 0, 1); /* create metatable for CLIBS */
- lua_pushcfunction(L, gctm);
- lua_setfield(L, -2, "__gc"); /* set finalizer for CLIBS table */
- lua_setmetatable(L, -2);
- lua_rawsetp(L, LUA_REGISTRYINDEX, &CLIBS); /* set CLIBS table in registry */
-}
-
-
-LUAMOD_API int luaopen_package (lua_State *L) {
- createclibstable(L);
- luaL_newlib(L, pk_funcs); /* create 'package' table */
- createsearcherstable(L);
- /* set paths */
- setpath(L, "path", LUA_PATH_VAR, LUA_PATH_DEFAULT);
- setpath(L, "cpath", LUA_CPATH_VAR, LUA_CPATH_DEFAULT);
- /* store config information */
- lua_pushliteral(L, LUA_DIRSEP "\n" LUA_PATH_SEP "\n" LUA_PATH_MARK "\n"
- LUA_EXEC_DIR "\n" LUA_IGMARK "\n");
- lua_setfield(L, -2, "config");
- /* set field 'loaded' */
- luaL_getsubtable(L, LUA_REGISTRYINDEX, LUA_LOADED_TABLE);
- lua_setfield(L, -2, "loaded");
- /* set field 'preload' */
- luaL_getsubtable(L, LUA_REGISTRYINDEX, LUA_PRELOAD_TABLE);
- lua_setfield(L, -2, "preload");
- lua_pushglobaltable(L);
- lua_pushvalue(L, -2); /* set 'package' as upvalue for next lib */
- luaL_setfuncs(L, ll_funcs, 1); /* open lib into global table */
- lua_pop(L, 1); /* pop global table */
- return 1; /* return 'package' table */
-}
-
diff --git a/Build/source/libs/lua53/lua53-src/src/lobject.c b/Build/source/libs/lua53/lua53-src/src/lobject.c
deleted file mode 100644
index 355bf58d637..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/lobject.c
+++ /dev/null
@@ -1,522 +0,0 @@
-/*
-** $Id: lobject.c,v 2.113.1.1 2017/04/19 17:29:57 roberto Exp $
-** Some generic functions over Lua objects
-** See Copyright Notice in lua.h
-*/
-
-#define lobject_c
-#define LUA_CORE
-
-#include "lprefix.h"
-
-
-#include <locale.h>
-#include <math.h>
-#include <stdarg.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "lua.h"
-
-#include "lctype.h"
-#include "ldebug.h"
-#include "ldo.h"
-#include "lmem.h"
-#include "lobject.h"
-#include "lstate.h"
-#include "lstring.h"
-#include "lvm.h"
-
-
-
-LUAI_DDEF const TValue luaO_nilobject_ = {NILCONSTANT};
-
-
-/*
-** converts an integer to a "floating point byte", represented as
-** (eeeeexxx), where the real value is (1xxx) * 2^(eeeee - 1) if
-** eeeee != 0 and (xxx) otherwise.
-*/
-int luaO_int2fb (unsigned int x) {
- int e = 0; /* exponent */
- if (x < 8) return x;
- while (x >= (8 << 4)) { /* coarse steps */
- x = (x + 0xf) >> 4; /* x = ceil(x / 16) */
- e += 4;
- }
- while (x >= (8 << 1)) { /* fine steps */
- x = (x + 1) >> 1; /* x = ceil(x / 2) */
- e++;
- }
- return ((e+1) << 3) | (cast_int(x) - 8);
-}
-
-
-/* converts back */
-int luaO_fb2int (int x) {
- return (x < 8) ? x : ((x & 7) + 8) << ((x >> 3) - 1);
-}
-
-
-/*
-** Computes ceil(log2(x))
-*/
-int luaO_ceillog2 (unsigned int x) {
- static const lu_byte log_2[256] = { /* log_2[i] = ceil(log2(i - 1)) */
- 0,1,2,2,3,3,3,3,4,4,4,4,4,4,4,4,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,
- 6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
- 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
- 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
- 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,
- 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,
- 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,
- 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8
- };
- int l = 0;
- x--;
- while (x >= 256) { l += 8; x >>= 8; }
- return l + log_2[x];
-}
-
-
-static lua_Integer intarith (lua_State *L, int op, lua_Integer v1,
- lua_Integer v2) {
- switch (op) {
- case LUA_OPADD: return intop(+, v1, v2);
- case LUA_OPSUB:return intop(-, v1, v2);
- case LUA_OPMUL:return intop(*, v1, v2);
- case LUA_OPMOD: return luaV_mod(L, v1, v2);
- case LUA_OPIDIV: return luaV_div(L, v1, v2);
- case LUA_OPBAND: return intop(&, v1, v2);
- case LUA_OPBOR: return intop(|, v1, v2);
- case LUA_OPBXOR: return intop(^, v1, v2);
- case LUA_OPSHL: return luaV_shiftl(v1, v2);
- case LUA_OPSHR: return luaV_shiftl(v1, -v2);
- case LUA_OPUNM: return intop(-, 0, v1);
- case LUA_OPBNOT: return intop(^, ~l_castS2U(0), v1);
- default: lua_assert(0); return 0;
- }
-}
-
-
-static lua_Number numarith (lua_State *L, int op, lua_Number v1,
- lua_Number v2) {
- switch (op) {
- case LUA_OPADD: return luai_numadd(L, v1, v2);
- case LUA_OPSUB: return luai_numsub(L, v1, v2);
- case LUA_OPMUL: return luai_nummul(L, v1, v2);
- case LUA_OPDIV: return luai_numdiv(L, v1, v2);
- case LUA_OPPOW: return luai_numpow(L, v1, v2);
- case LUA_OPIDIV: return luai_numidiv(L, v1, v2);
- case LUA_OPUNM: return luai_numunm(L, v1);
- case LUA_OPMOD: {
- lua_Number m;
- luai_nummod(L, v1, v2, m);
- return m;
- }
- default: lua_assert(0); return 0;
- }
-}
-
-
-void luaO_arith (lua_State *L, int op, const TValue *p1, const TValue *p2,
- TValue *res) {
- switch (op) {
- case LUA_OPBAND: case LUA_OPBOR: case LUA_OPBXOR:
- case LUA_OPSHL: case LUA_OPSHR:
- case LUA_OPBNOT: { /* operate only on integers */
- lua_Integer i1; lua_Integer i2;
- if (tointeger(p1, &i1) && tointeger(p2, &i2)) {
- setivalue(res, intarith(L, op, i1, i2));
- return;
- }
- else break; /* go to the end */
- }
- case LUA_OPDIV: case LUA_OPPOW: { /* operate only on floats */
- lua_Number n1; lua_Number n2;
- if (tonumber(p1, &n1) && tonumber(p2, &n2)) {
- setfltvalue(res, numarith(L, op, n1, n2));
- return;
- }
- else break; /* go to the end */
- }
- default: { /* other operations */
- lua_Number n1; lua_Number n2;
- if (ttisinteger(p1) && ttisinteger(p2)) {
- setivalue(res, intarith(L, op, ivalue(p1), ivalue(p2)));
- return;
- }
- else if (tonumber(p1, &n1) && tonumber(p2, &n2)) {
- setfltvalue(res, numarith(L, op, n1, n2));
- return;
- }
- else break; /* go to the end */
- }
- }
- /* could not perform raw operation; try metamethod */
- lua_assert(L != NULL); /* should not fail when folding (compile time) */
- luaT_trybinTM(L, p1, p2, res, cast(TMS, (op - LUA_OPADD) + TM_ADD));
-}
-
-
-int luaO_hexavalue (int c) {
- if (lisdigit(c)) return c - '0';
- else return (ltolower(c) - 'a') + 10;
-}
-
-
-static int isneg (const char **s) {
- if (**s == '-') { (*s)++; return 1; }
- else if (**s == '+') (*s)++;
- return 0;
-}
-
-
-
-/*
-** {==================================================================
-** Lua's implementation for 'lua_strx2number'
-** ===================================================================
-*/
-
-#if !defined(lua_strx2number)
-
-/* maximum number of significant digits to read (to avoid overflows
- even with single floats) */
-#define MAXSIGDIG 30
-
-/*
-** convert an hexadecimal numeric string to a number, following
-** C99 specification for 'strtod'
-*/
-static lua_Number lua_strx2number (const char *s, char **endptr) {
- int dot = lua_getlocaledecpoint();
- lua_Number r = 0.0; /* result (accumulator) */
- int sigdig = 0; /* number of significant digits */
- int nosigdig = 0; /* number of non-significant digits */
- int e = 0; /* exponent correction */
- int neg; /* 1 if number is negative */
- int hasdot = 0; /* true after seen a dot */
- *endptr = cast(char *, s); /* nothing is valid yet */
- while (lisspace(cast_uchar(*s))) s++; /* skip initial spaces */
- neg = isneg(&s); /* check signal */
- if (!(*s == '0' && (*(s + 1) == 'x' || *(s + 1) == 'X'))) /* check '0x' */
- return 0.0; /* invalid format (no '0x') */
- for (s += 2; ; s++) { /* skip '0x' and read numeral */
- if (*s == dot) {
- if (hasdot) break; /* second dot? stop loop */
- else hasdot = 1;
- }
- else if (lisxdigit(cast_uchar(*s))) {
- if (sigdig == 0 && *s == '0') /* non-significant digit (zero)? */
- nosigdig++;
- else if (++sigdig <= MAXSIGDIG) /* can read it without overflow? */
- r = (r * cast_num(16.0)) + luaO_hexavalue(*s);
- else e++; /* too many digits; ignore, but still count for exponent */
- if (hasdot) e--; /* decimal digit? correct exponent */
- }
- else break; /* neither a dot nor a digit */
- }
- if (nosigdig + sigdig == 0) /* no digits? */
- return 0.0; /* invalid format */
- *endptr = cast(char *, s); /* valid up to here */
- e *= 4; /* each digit multiplies/divides value by 2^4 */
- if (*s == 'p' || *s == 'P') { /* exponent part? */
- int exp1 = 0; /* exponent value */
- int neg1; /* exponent signal */
- s++; /* skip 'p' */
- neg1 = isneg(&s); /* signal */
- if (!lisdigit(cast_uchar(*s)))
- return 0.0; /* invalid; must have at least one digit */
- while (lisdigit(cast_uchar(*s))) /* read exponent */
- exp1 = exp1 * 10 + *(s++) - '0';
- if (neg1) exp1 = -exp1;
- e += exp1;
- *endptr = cast(char *, s); /* valid up to here */
- }
- if (neg) r = -r;
- return l_mathop(ldexp)(r, e);
-}
-
-#endif
-/* }====================================================== */
-
-
-/* maximum length of a numeral */
-#if !defined (L_MAXLENNUM)
-#define L_MAXLENNUM 200
-#endif
-
-static const char *l_str2dloc (const char *s, lua_Number *result, int mode) {
- char *endptr;
- *result = (mode == 'x') ? lua_strx2number(s, &endptr) /* try to convert */
- : lua_str2number(s, &endptr);
- if (endptr == s) return NULL; /* nothing recognized? */
- while (lisspace(cast_uchar(*endptr))) endptr++; /* skip trailing spaces */
- return (*endptr == '\0') ? endptr : NULL; /* OK if no trailing characters */
-}
-
-
-/*
-** Convert string 's' to a Lua number (put in 'result'). Return NULL
-** on fail or the address of the ending '\0' on success.
-** 'pmode' points to (and 'mode' contains) special things in the string:
-** - 'x'/'X' means an hexadecimal numeral
-** - 'n'/'N' means 'inf' or 'nan' (which should be rejected)
-** - '.' just optimizes the search for the common case (nothing special)
-** This function accepts both the current locale or a dot as the radix
-** mark. If the conversion fails, it may mean number has a dot but
-** locale accepts something else. In that case, the code copies 's'
-** to a buffer (because 's' is read-only), changes the dot to the
-** current locale radix mark, and tries to convert again.
-*/
-static const char *l_str2d (const char *s, lua_Number *result) {
- const char *endptr;
- const char *pmode = strpbrk(s, ".xXnN");
- int mode = pmode ? ltolower(cast_uchar(*pmode)) : 0;
- if (mode == 'n') /* reject 'inf' and 'nan' */
- return NULL;
- endptr = l_str2dloc(s, result, mode); /* try to convert */
- if (endptr == NULL) { /* failed? may be a different locale */
- char buff[L_MAXLENNUM + 1];
- const char *pdot = strchr(s, '.');
- if (strlen(s) > L_MAXLENNUM || pdot == NULL)
- return NULL; /* string too long or no dot; fail */
- strcpy(buff, s); /* copy string to buffer */
- buff[pdot - s] = lua_getlocaledecpoint(); /* correct decimal point */
- endptr = l_str2dloc(buff, result, mode); /* try again */
- if (endptr != NULL)
- endptr = s + (endptr - buff); /* make relative to 's' */
- }
- return endptr;
-}
-
-
-#define MAXBY10 cast(lua_Unsigned, LUA_MAXINTEGER / 10)
-#define MAXLASTD cast_int(LUA_MAXINTEGER % 10)
-
-static const char *l_str2int (const char *s, lua_Integer *result) {
- lua_Unsigned a = 0;
- int empty = 1;
- int neg;
- while (lisspace(cast_uchar(*s))) s++; /* skip initial spaces */
- neg = isneg(&s);
- if (s[0] == '0' &&
- (s[1] == 'x' || s[1] == 'X')) { /* hex? */
- s += 2; /* skip '0x' */
- for (; lisxdigit(cast_uchar(*s)); s++) {
- a = a * 16 + luaO_hexavalue(*s);
- empty = 0;
- }
- }
- else { /* decimal */
- for (; lisdigit(cast_uchar(*s)); s++) {
- int d = *s - '0';
- if (a >= MAXBY10 && (a > MAXBY10 || d > MAXLASTD + neg)) /* overflow? */
- return NULL; /* do not accept it (as integer) */
- a = a * 10 + d;
- empty = 0;
- }
- }
- while (lisspace(cast_uchar(*s))) s++; /* skip trailing spaces */
- if (empty || *s != '\0') return NULL; /* something wrong in the numeral */
- else {
- *result = l_castU2S((neg) ? 0u - a : a);
- return s;
- }
-}
-
-
-size_t luaO_str2num (const char *s, TValue *o) {
- lua_Integer i; lua_Number n;
- const char *e;
- if ((e = l_str2int(s, &i)) != NULL) { /* try as an integer */
- setivalue(o, i);
- }
- else if ((e = l_str2d(s, &n)) != NULL) { /* else try as a float */
- setfltvalue(o, n);
- }
- else
- return 0; /* conversion failed */
- return (e - s) + 1; /* success; return string size */
-}
-
-
-int luaO_utf8esc (char *buff, unsigned long x) {
- int n = 1; /* number of bytes put in buffer (backwards) */
- lua_assert(x <= 0x10FFFF);
- if (x < 0x80) /* ascii? */
- buff[UTF8BUFFSZ - 1] = cast(char, x);
- else { /* need continuation bytes */
- unsigned int mfb = 0x3f; /* maximum that fits in first byte */
- do { /* add continuation bytes */
- buff[UTF8BUFFSZ - (n++)] = cast(char, 0x80 | (x & 0x3f));
- x >>= 6; /* remove added bits */
- mfb >>= 1; /* now there is one less bit available in first byte */
- } while (x > mfb); /* still needs continuation byte? */
- buff[UTF8BUFFSZ - n] = cast(char, (~mfb << 1) | x); /* add first byte */
- }
- return n;
-}
-
-
-/* maximum length of the conversion of a number to a string */
-#define MAXNUMBER2STR 50
-
-
-/*
-** Convert a number object to a string
-*/
-void luaO_tostring (lua_State *L, StkId obj) {
- char buff[MAXNUMBER2STR];
- size_t len;
- lua_assert(ttisnumber(obj));
- if (ttisinteger(obj))
- len = lua_integer2str(buff, sizeof(buff), ivalue(obj));
- else {
- len = lua_number2str(buff, sizeof(buff), fltvalue(obj));
-#if !defined(LUA_COMPAT_FLOATSTRING)
- if (buff[strspn(buff, "-0123456789")] == '\0') { /* looks like an int? */
- buff[len++] = lua_getlocaledecpoint();
- buff[len++] = '0'; /* adds '.0' to result */
- }
-#endif
- }
- setsvalue2s(L, obj, luaS_newlstr(L, buff, len));
-}
-
-
-static void pushstr (lua_State *L, const char *str, size_t l) {
- setsvalue2s(L, L->top, luaS_newlstr(L, str, l));
- luaD_inctop(L);
-}
-
-
-/*
-** this function handles only '%d', '%c', '%f', '%p', and '%s'
- conventional formats, plus Lua-specific '%I' and '%U'
-*/
-const char *luaO_pushvfstring (lua_State *L, const char *fmt, va_list argp) {
- int n = 0;
- for (;;) {
- const char *e = strchr(fmt, '%');
- if (e == NULL) break;
- pushstr(L, fmt, e - fmt);
- switch (*(e+1)) {
- case 's': { /* zero-terminated string */
- const char *s = va_arg(argp, char *);
- if (s == NULL) s = "(null)";
- pushstr(L, s, strlen(s));
- break;
- }
- case 'c': { /* an 'int' as a character */
- char buff = cast(char, va_arg(argp, int));
- if (lisprint(cast_uchar(buff)))
- pushstr(L, &buff, 1);
- else /* non-printable character; print its code */
- luaO_pushfstring(L, "<\\%d>", cast_uchar(buff));
- break;
- }
- case 'd': { /* an 'int' */
- setivalue(L->top, va_arg(argp, int));
- goto top2str;
- }
- case 'I': { /* a 'lua_Integer' */
- setivalue(L->top, cast(lua_Integer, va_arg(argp, l_uacInt)));
- goto top2str;
- }
- case 'f': { /* a 'lua_Number' */
- setfltvalue(L->top, cast_num(va_arg(argp, l_uacNumber)));
- top2str: /* convert the top element to a string */
- luaD_inctop(L);
- luaO_tostring(L, L->top - 1);
- break;
- }
- case 'p': { /* a pointer */
- char buff[4*sizeof(void *) + 8]; /* should be enough space for a '%p' */
- void *p = va_arg(argp, void *);
- int l = lua_pointer2str(buff, sizeof(buff), p);
- pushstr(L, buff, l);
- break;
- }
- case 'U': { /* an 'int' as a UTF-8 sequence */
- char buff[UTF8BUFFSZ];
- int l = luaO_utf8esc(buff, cast(long, va_arg(argp, long)));
- pushstr(L, buff + UTF8BUFFSZ - l, l);
- break;
- }
- case '%': {
- pushstr(L, "%", 1);
- break;
- }
- default: {
- luaG_runerror(L, "invalid option '%%%c' to 'lua_pushfstring'",
- *(e + 1));
- }
- }
- n += 2;
- fmt = e+2;
- }
- luaD_checkstack(L, 1);
- pushstr(L, fmt, strlen(fmt));
- if (n > 0) luaV_concat(L, n + 1);
- return svalue(L->top - 1);
-}
-
-
-const char *luaO_pushfstring (lua_State *L, const char *fmt, ...) {
- const char *msg;
- va_list argp;
- va_start(argp, fmt);
- msg = luaO_pushvfstring(L, fmt, argp);
- va_end(argp);
- return msg;
-}
-
-
-/* number of chars of a literal string without the ending \0 */
-#define LL(x) (sizeof(x)/sizeof(char) - 1)
-
-#define RETS "..."
-#define PRE "[string \""
-#define POS "\"]"
-
-#define addstr(a,b,l) ( memcpy(a,b,(l) * sizeof(char)), a += (l) )
-
-void luaO_chunkid (char *out, const char *source, size_t bufflen) {
- size_t l = strlen(source);
- if (*source == '=') { /* 'literal' source */
- if (l <= bufflen) /* small enough? */
- memcpy(out, source + 1, l * sizeof(char));
- else { /* truncate it */
- addstr(out, source + 1, bufflen - 1);
- *out = '\0';
- }
- }
- else if (*source == '@') { /* file name */
- if (l <= bufflen) /* small enough? */
- memcpy(out, source + 1, l * sizeof(char));
- else { /* add '...' before rest of name */
- addstr(out, RETS, LL(RETS));
- bufflen -= LL(RETS);
- memcpy(out, source + 1 + l - bufflen, bufflen * sizeof(char));
- }
- }
- else { /* string; format as [string "source"] */
- const char *nl = strchr(source, '\n'); /* find first new line (if any) */
- addstr(out, PRE, LL(PRE)); /* add prefix */
- bufflen -= LL(PRE RETS POS) + 1; /* save space for prefix+suffix+'\0' */
- if (l < bufflen && nl == NULL) { /* small one-line source? */
- addstr(out, source, l); /* keep it */
- }
- else {
- if (nl != NULL) l = nl - source; /* stop at first newline */
- if (l > bufflen) l = bufflen;
- addstr(out, source, l);
- addstr(out, RETS, LL(RETS));
- }
- memcpy(out, POS, (LL(POS) + 1) * sizeof(char));
- }
-}
-
diff --git a/Build/source/libs/lua53/lua53-src/src/lobject.h b/Build/source/libs/lua53/lua53-src/src/lobject.h
deleted file mode 100644
index 24088614027..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/lobject.h
+++ /dev/null
@@ -1,549 +0,0 @@
-/*
-** $Id: lobject.h,v 2.117.1.1 2017/04/19 17:39:34 roberto Exp $
-** Type definitions for Lua objects
-** See Copyright Notice in lua.h
-*/
-
-
-#ifndef lobject_h
-#define lobject_h
-
-
-#include <stdarg.h>
-
-
-#include "llimits.h"
-#include "lua.h"
-
-
-/*
-** Extra tags for non-values
-*/
-#define LUA_TPROTO LUA_NUMTAGS /* function prototypes */
-#define LUA_TDEADKEY (LUA_NUMTAGS+1) /* removed keys in tables */
-
-/*
-** number of all possible tags (including LUA_TNONE but excluding DEADKEY)
-*/
-#define LUA_TOTALTAGS (LUA_TPROTO + 2)
-
-
-/*
-** tags for Tagged Values have the following use of bits:
-** bits 0-3: actual tag (a LUA_T* value)
-** bits 4-5: variant bits
-** bit 6: whether value is collectable
-*/
-
-
-/*
-** LUA_TFUNCTION variants:
-** 0 - Lua function
-** 1 - light C function
-** 2 - regular C function (closure)
-*/
-
-/* Variant tags for functions */
-#define LUA_TLCL (LUA_TFUNCTION | (0 << 4)) /* Lua closure */
-#define LUA_TLCF (LUA_TFUNCTION | (1 << 4)) /* light C function */
-#define LUA_TCCL (LUA_TFUNCTION | (2 << 4)) /* C closure */
-
-
-/* Variant tags for strings */
-#define LUA_TSHRSTR (LUA_TSTRING | (0 << 4)) /* short strings */
-#define LUA_TLNGSTR (LUA_TSTRING | (1 << 4)) /* long strings */
-
-
-/* Variant tags for numbers */
-#define LUA_TNUMFLT (LUA_TNUMBER | (0 << 4)) /* float numbers */
-#define LUA_TNUMINT (LUA_TNUMBER | (1 << 4)) /* integer numbers */
-
-
-/* Bit mark for collectable types */
-#define BIT_ISCOLLECTABLE (1 << 6)
-
-/* mark a tag as collectable */
-#define ctb(t) ((t) | BIT_ISCOLLECTABLE)
-
-
-/*
-** Common type for all collectable objects
-*/
-typedef struct GCObject GCObject;
-
-
-/*
-** Common Header for all collectable objects (in macro form, to be
-** included in other objects)
-*/
-#define CommonHeader GCObject *next; lu_byte tt; lu_byte marked
-
-
-/*
-** Common type has only the common header
-*/
-struct GCObject {
- CommonHeader;
-};
-
-
-
-
-/*
-** Tagged Values. This is the basic representation of values in Lua,
-** an actual value plus a tag with its type.
-*/
-
-/*
-** Union of all Lua values
-*/
-typedef union Value {
- GCObject *gc; /* collectable objects */
- void *p; /* light userdata */
- int b; /* booleans */
- lua_CFunction f; /* light C functions */
- lua_Integer i; /* integer numbers */
- lua_Number n; /* float numbers */
-} Value;
-
-
-#define TValuefields Value value_; int tt_
-
-
-typedef struct lua_TValue {
- TValuefields;
-} TValue;
-
-
-
-/* macro defining a nil value */
-#define NILCONSTANT {NULL}, LUA_TNIL
-
-
-#define val_(o) ((o)->value_)
-
-
-/* raw type tag of a TValue */
-#define rttype(o) ((o)->tt_)
-
-/* tag with no variants (bits 0-3) */
-#define novariant(x) ((x) & 0x0F)
-
-/* type tag of a TValue (bits 0-3 for tags + variant bits 4-5) */
-#define ttype(o) (rttype(o) & 0x3F)
-
-/* type tag of a TValue with no variants (bits 0-3) */
-#define ttnov(o) (novariant(rttype(o)))
-
-
-/* Macros to test type */
-#define checktag(o,t) (rttype(o) == (t))
-#define checktype(o,t) (ttnov(o) == (t))
-#define ttisnumber(o) checktype((o), LUA_TNUMBER)
-#define ttisfloat(o) checktag((o), LUA_TNUMFLT)
-#define ttisinteger(o) checktag((o), LUA_TNUMINT)
-#define ttisnil(o) checktag((o), LUA_TNIL)
-#define ttisboolean(o) checktag((o), LUA_TBOOLEAN)
-#define ttislightuserdata(o) checktag((o), LUA_TLIGHTUSERDATA)
-#define ttisstring(o) checktype((o), LUA_TSTRING)
-#define ttisshrstring(o) checktag((o), ctb(LUA_TSHRSTR))
-#define ttislngstring(o) checktag((o), ctb(LUA_TLNGSTR))
-#define ttistable(o) checktag((o), ctb(LUA_TTABLE))
-#define ttisfunction(o) checktype(o, LUA_TFUNCTION)
-#define ttisclosure(o) ((rttype(o) & 0x1F) == LUA_TFUNCTION)
-#define ttisCclosure(o) checktag((o), ctb(LUA_TCCL))
-#define ttisLclosure(o) checktag((o), ctb(LUA_TLCL))
-#define ttislcf(o) checktag((o), LUA_TLCF)
-#define ttisfulluserdata(o) checktag((o), ctb(LUA_TUSERDATA))
-#define ttisthread(o) checktag((o), ctb(LUA_TTHREAD))
-#define ttisdeadkey(o) checktag((o), LUA_TDEADKEY)
-
-
-/* Macros to access values */
-#define ivalue(o) check_exp(ttisinteger(o), val_(o).i)
-#define fltvalue(o) check_exp(ttisfloat(o), val_(o).n)
-#define nvalue(o) check_exp(ttisnumber(o), \
- (ttisinteger(o) ? cast_num(ivalue(o)) : fltvalue(o)))
-#define gcvalue(o) check_exp(iscollectable(o), val_(o).gc)
-#define pvalue(o) check_exp(ttislightuserdata(o), val_(o).p)
-#define tsvalue(o) check_exp(ttisstring(o), gco2ts(val_(o).gc))
-#define uvalue(o) check_exp(ttisfulluserdata(o), gco2u(val_(o).gc))
-#define clvalue(o) check_exp(ttisclosure(o), gco2cl(val_(o).gc))
-#define clLvalue(o) check_exp(ttisLclosure(o), gco2lcl(val_(o).gc))
-#define clCvalue(o) check_exp(ttisCclosure(o), gco2ccl(val_(o).gc))
-#define fvalue(o) check_exp(ttislcf(o), val_(o).f)
-#define hvalue(o) check_exp(ttistable(o), gco2t(val_(o).gc))
-#define bvalue(o) check_exp(ttisboolean(o), val_(o).b)
-#define thvalue(o) check_exp(ttisthread(o), gco2th(val_(o).gc))
-/* a dead value may get the 'gc' field, but cannot access its contents */
-#define deadvalue(o) check_exp(ttisdeadkey(o), cast(void *, val_(o).gc))
-
-#define l_isfalse(o) (ttisnil(o) || (ttisboolean(o) && bvalue(o) == 0))
-
-
-#define iscollectable(o) (rttype(o) & BIT_ISCOLLECTABLE)
-
-
-/* Macros for internal tests */
-#define righttt(obj) (ttype(obj) == gcvalue(obj)->tt)
-
-#define checkliveness(L,obj) \
- lua_longassert(!iscollectable(obj) || \
- (righttt(obj) && (L == NULL || !isdead(G(L),gcvalue(obj)))))
-
-
-/* Macros to set values */
-#define settt_(o,t) ((o)->tt_=(t))
-
-#define setfltvalue(obj,x) \
- { TValue *io=(obj); val_(io).n=(x); settt_(io, LUA_TNUMFLT); }
-
-#define chgfltvalue(obj,x) \
- { TValue *io=(obj); lua_assert(ttisfloat(io)); val_(io).n=(x); }
-
-#define setivalue(obj,x) \
- { TValue *io=(obj); val_(io).i=(x); settt_(io, LUA_TNUMINT); }
-
-#define chgivalue(obj,x) \
- { TValue *io=(obj); lua_assert(ttisinteger(io)); val_(io).i=(x); }
-
-#define setnilvalue(obj) settt_(obj, LUA_TNIL)
-
-#define setfvalue(obj,x) \
- { TValue *io=(obj); val_(io).f=(x); settt_(io, LUA_TLCF); }
-
-#define setpvalue(obj,x) \
- { TValue *io=(obj); val_(io).p=(x); settt_(io, LUA_TLIGHTUSERDATA); }
-
-#define setbvalue(obj,x) \
- { TValue *io=(obj); val_(io).b=(x); settt_(io, LUA_TBOOLEAN); }
-
-#define setgcovalue(L,obj,x) \
- { TValue *io = (obj); GCObject *i_g=(x); \
- val_(io).gc = i_g; settt_(io, ctb(i_g->tt)); }
-
-#define setsvalue(L,obj,x) \
- { TValue *io = (obj); TString *x_ = (x); \
- val_(io).gc = obj2gco(x_); settt_(io, ctb(x_->tt)); \
- checkliveness(L,io); }
-
-#define setuvalue(L,obj,x) \
- { TValue *io = (obj); Udata *x_ = (x); \
- val_(io).gc = obj2gco(x_); settt_(io, ctb(LUA_TUSERDATA)); \
- checkliveness(L,io); }
-
-#define setthvalue(L,obj,x) \
- { TValue *io = (obj); lua_State *x_ = (x); \
- val_(io).gc = obj2gco(x_); settt_(io, ctb(LUA_TTHREAD)); \
- checkliveness(L,io); }
-
-#define setclLvalue(L,obj,x) \
- { TValue *io = (obj); LClosure *x_ = (x); \
- val_(io).gc = obj2gco(x_); settt_(io, ctb(LUA_TLCL)); \
- checkliveness(L,io); }
-
-#define setclCvalue(L,obj,x) \
- { TValue *io = (obj); CClosure *x_ = (x); \
- val_(io).gc = obj2gco(x_); settt_(io, ctb(LUA_TCCL)); \
- checkliveness(L,io); }
-
-#define sethvalue(L,obj,x) \
- { TValue *io = (obj); Table *x_ = (x); \
- val_(io).gc = obj2gco(x_); settt_(io, ctb(LUA_TTABLE)); \
- checkliveness(L,io); }
-
-#define setdeadvalue(obj) settt_(obj, LUA_TDEADKEY)
-
-
-
-#define setobj(L,obj1,obj2) \
- { TValue *io1=(obj1); *io1 = *(obj2); \
- (void)L; checkliveness(L,io1); }
-
-
-/*
-** different types of assignments, according to destination
-*/
-
-/* from stack to (same) stack */
-#define setobjs2s setobj
-/* to stack (not from same stack) */
-#define setobj2s setobj
-#define setsvalue2s setsvalue
-#define sethvalue2s sethvalue
-#define setptvalue2s setptvalue
-/* from table to same table */
-#define setobjt2t setobj
-/* to new object */
-#define setobj2n setobj
-#define setsvalue2n setsvalue
-
-/* to table (define it as an expression to be used in macros) */
-#define setobj2t(L,o1,o2) ((void)L, *(o1)=*(o2), checkliveness(L,(o1)))
-
-
-
-
-/*
-** {======================================================
-** types and prototypes
-** =======================================================
-*/
-
-
-typedef TValue *StkId; /* index to stack elements */
-
-
-
-
-/*
-** Header for string value; string bytes follow the end of this structure
-** (aligned according to 'UTString'; see next).
-*/
-typedef struct TString {
- CommonHeader;
- lu_byte extra; /* reserved words for short strings; "has hash" for longs */
- lu_byte shrlen; /* length for short strings */
- unsigned int hash;
- union {
- size_t lnglen; /* length for long strings */
- struct TString *hnext; /* linked list for hash table */
- } u;
-} TString;
-
-
-/*
-** Ensures that address after this type is always fully aligned.
-*/
-typedef union UTString {
- L_Umaxalign dummy; /* ensures maximum alignment for strings */
- TString tsv;
-} UTString;
-
-
-/*
-** Get the actual string (array of bytes) from a 'TString'.
-** (Access to 'extra' ensures that value is really a 'TString'.)
-*/
-#define getstr(ts) \
- check_exp(sizeof((ts)->extra), cast(char *, (ts)) + sizeof(UTString))
-
-
-/* get the actual string (array of bytes) from a Lua value */
-#define svalue(o) getstr(tsvalue(o))
-
-/* get string length from 'TString *s' */
-#define tsslen(s) ((s)->tt == LUA_TSHRSTR ? (s)->shrlen : (s)->u.lnglen)
-
-/* get string length from 'TValue *o' */
-#define vslen(o) tsslen(tsvalue(o))
-
-
-/*
-** Header for userdata; memory area follows the end of this structure
-** (aligned according to 'UUdata'; see next).
-*/
-typedef struct Udata {
- CommonHeader;
- lu_byte ttuv_; /* user value's tag */
- struct Table *metatable;
- size_t len; /* number of bytes */
- union Value user_; /* user value */
-} Udata;
-
-
-/*
-** Ensures that address after this type is always fully aligned.
-*/
-typedef union UUdata {
- L_Umaxalign dummy; /* ensures maximum alignment for 'local' udata */
- Udata uv;
-} UUdata;
-
-
-/*
-** Get the address of memory block inside 'Udata'.
-** (Access to 'ttuv_' ensures that value is really a 'Udata'.)
-*/
-#define getudatamem(u) \
- check_exp(sizeof((u)->ttuv_), (cast(char*, (u)) + sizeof(UUdata)))
-
-#define setuservalue(L,u,o) \
- { const TValue *io=(o); Udata *iu = (u); \
- iu->user_ = io->value_; iu->ttuv_ = rttype(io); \
- checkliveness(L,io); }
-
-
-#define getuservalue(L,u,o) \
- { TValue *io=(o); const Udata *iu = (u); \
- io->value_ = iu->user_; settt_(io, iu->ttuv_); \
- checkliveness(L,io); }
-
-
-/*
-** Description of an upvalue for function prototypes
-*/
-typedef struct Upvaldesc {
- TString *name; /* upvalue name (for debug information) */
- lu_byte instack; /* whether it is in stack (register) */
- lu_byte idx; /* index of upvalue (in stack or in outer function's list) */
-} Upvaldesc;
-
-
-/*
-** Description of a local variable for function prototypes
-** (used for debug information)
-*/
-typedef struct LocVar {
- TString *varname;
- int startpc; /* first point where variable is active */
- int endpc; /* first point where variable is dead */
-} LocVar;
-
-
-/*
-** Function Prototypes
-*/
-typedef struct Proto {
- CommonHeader;
- lu_byte numparams; /* number of fixed parameters */
- lu_byte is_vararg;
- lu_byte maxstacksize; /* number of registers needed by this function */
- int sizeupvalues; /* size of 'upvalues' */
- int sizek; /* size of 'k' */
- int sizecode;
- int sizelineinfo;
- int sizep; /* size of 'p' */
- int sizelocvars;
- int linedefined; /* debug information */
- int lastlinedefined; /* debug information */
- TValue *k; /* constants used by the function */
- Instruction *code; /* opcodes */
- struct Proto **p; /* functions defined inside the function */
- int *lineinfo; /* map from opcodes to source lines (debug information) */
- LocVar *locvars; /* information about local variables (debug information) */
- Upvaldesc *upvalues; /* upvalue information */
- struct LClosure *cache; /* last-created closure with this prototype */
- TString *source; /* used for debug information */
- GCObject *gclist;
-} Proto;
-
-
-
-/*
-** Lua Upvalues
-*/
-typedef struct UpVal UpVal;
-
-
-/*
-** Closures
-*/
-
-#define ClosureHeader \
- CommonHeader; lu_byte nupvalues; GCObject *gclist
-
-typedef struct CClosure {
- ClosureHeader;
- lua_CFunction f;
- TValue upvalue[1]; /* list of upvalues */
-} CClosure;
-
-
-typedef struct LClosure {
- ClosureHeader;
- struct Proto *p;
- UpVal *upvals[1]; /* list of upvalues */
-} LClosure;
-
-
-typedef union Closure {
- CClosure c;
- LClosure l;
-} Closure;
-
-
-#define isLfunction(o) ttisLclosure(o)
-
-#define getproto(o) (clLvalue(o)->p)
-
-
-/*
-** Tables
-*/
-
-typedef union TKey {
- struct {
- TValuefields;
- int next; /* for chaining (offset for next node) */
- } nk;
- TValue tvk;
-} TKey;
-
-
-/* copy a value into a key without messing up field 'next' */
-#define setnodekey(L,key,obj) \
- { TKey *k_=(key); const TValue *io_=(obj); \
- k_->nk.value_ = io_->value_; k_->nk.tt_ = io_->tt_; \
- (void)L; checkliveness(L,io_); }
-
-
-typedef struct Node {
- TValue i_val;
- TKey i_key;
-} Node;
-
-
-typedef struct Table {
- CommonHeader;
- lu_byte flags; /* 1<<p means tagmethod(p) is not present */
- lu_byte lsizenode; /* log2 of size of 'node' array */
- unsigned int sizearray; /* size of 'array' array */
- TValue *array; /* array part */
- Node *node;
- Node *lastfree; /* any free position is before this position */
- struct Table *metatable;
- GCObject *gclist;
-} Table;
-
-
-
-/*
-** 'module' operation for hashing (size is always a power of 2)
-*/
-#define lmod(s,size) \
- (check_exp((size&(size-1))==0, (cast(int, (s) & ((size)-1)))))
-
-
-#define twoto(x) (1<<(x))
-#define sizenode(t) (twoto((t)->lsizenode))
-
-
-/*
-** (address of) a fixed nil value
-*/
-#define luaO_nilobject (&luaO_nilobject_)
-
-
-LUAI_DDEC const TValue luaO_nilobject_;
-
-/* size of buffer for 'luaO_utf8esc' function */
-#define UTF8BUFFSZ 8
-
-LUAI_FUNC int luaO_int2fb (unsigned int x);
-LUAI_FUNC int luaO_fb2int (int x);
-LUAI_FUNC int luaO_utf8esc (char *buff, unsigned long x);
-LUAI_FUNC int luaO_ceillog2 (unsigned int x);
-LUAI_FUNC void luaO_arith (lua_State *L, int op, const TValue *p1,
- const TValue *p2, TValue *res);
-LUAI_FUNC size_t luaO_str2num (const char *s, TValue *o);
-LUAI_FUNC int luaO_hexavalue (int c);
-LUAI_FUNC void luaO_tostring (lua_State *L, StkId obj);
-LUAI_FUNC const char *luaO_pushvfstring (lua_State *L, const char *fmt,
- va_list argp);
-LUAI_FUNC const char *luaO_pushfstring (lua_State *L, const char *fmt, ...);
-LUAI_FUNC void luaO_chunkid (char *out, const char *source, size_t len);
-
-
-#endif
-
diff --git a/Build/source/libs/lua53/lua53-src/src/lopcodes.c b/Build/source/libs/lua53/lua53-src/src/lopcodes.c
deleted file mode 100644
index 5ca3eb261a4..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/lopcodes.c
+++ /dev/null
@@ -1,124 +0,0 @@
-/*
-** $Id: lopcodes.c,v 1.55.1.1 2017/04/19 17:20:42 roberto Exp $
-** Opcodes for Lua virtual machine
-** See Copyright Notice in lua.h
-*/
-
-#define lopcodes_c
-#define LUA_CORE
-
-#include "lprefix.h"
-
-
-#include <stddef.h>
-
-#include "lopcodes.h"
-
-
-/* ORDER OP */
-
-LUAI_DDEF const char *const luaP_opnames[NUM_OPCODES+1] = {
- "MOVE",
- "LOADK",
- "LOADKX",
- "LOADBOOL",
- "LOADNIL",
- "GETUPVAL",
- "GETTABUP",
- "GETTABLE",
- "SETTABUP",
- "SETUPVAL",
- "SETTABLE",
- "NEWTABLE",
- "SELF",
- "ADD",
- "SUB",
- "MUL",
- "MOD",
- "POW",
- "DIV",
- "IDIV",
- "BAND",
- "BOR",
- "BXOR",
- "SHL",
- "SHR",
- "UNM",
- "BNOT",
- "NOT",
- "LEN",
- "CONCAT",
- "JMP",
- "EQ",
- "LT",
- "LE",
- "TEST",
- "TESTSET",
- "CALL",
- "TAILCALL",
- "RETURN",
- "FORLOOP",
- "FORPREP",
- "TFORCALL",
- "TFORLOOP",
- "SETLIST",
- "CLOSURE",
- "VARARG",
- "EXTRAARG",
- NULL
-};
-
-
-#define opmode(t,a,b,c,m) (((t)<<7) | ((a)<<6) | ((b)<<4) | ((c)<<2) | (m))
-
-LUAI_DDEF const lu_byte luaP_opmodes[NUM_OPCODES] = {
-/* T A B C mode opcode */
- opmode(0, 1, OpArgR, OpArgN, iABC) /* OP_MOVE */
- ,opmode(0, 1, OpArgK, OpArgN, iABx) /* OP_LOADK */
- ,opmode(0, 1, OpArgN, OpArgN, iABx) /* OP_LOADKX */
- ,opmode(0, 1, OpArgU, OpArgU, iABC) /* OP_LOADBOOL */
- ,opmode(0, 1, OpArgU, OpArgN, iABC) /* OP_LOADNIL */
- ,opmode(0, 1, OpArgU, OpArgN, iABC) /* OP_GETUPVAL */
- ,opmode(0, 1, OpArgU, OpArgK, iABC) /* OP_GETTABUP */
- ,opmode(0, 1, OpArgR, OpArgK, iABC) /* OP_GETTABLE */
- ,opmode(0, 0, OpArgK, OpArgK, iABC) /* OP_SETTABUP */
- ,opmode(0, 0, OpArgU, OpArgN, iABC) /* OP_SETUPVAL */
- ,opmode(0, 0, OpArgK, OpArgK, iABC) /* OP_SETTABLE */
- ,opmode(0, 1, OpArgU, OpArgU, iABC) /* OP_NEWTABLE */
- ,opmode(0, 1, OpArgR, OpArgK, iABC) /* OP_SELF */
- ,opmode(0, 1, OpArgK, OpArgK, iABC) /* OP_ADD */
- ,opmode(0, 1, OpArgK, OpArgK, iABC) /* OP_SUB */
- ,opmode(0, 1, OpArgK, OpArgK, iABC) /* OP_MUL */
- ,opmode(0, 1, OpArgK, OpArgK, iABC) /* OP_MOD */
- ,opmode(0, 1, OpArgK, OpArgK, iABC) /* OP_POW */
- ,opmode(0, 1, OpArgK, OpArgK, iABC) /* OP_DIV */
- ,opmode(0, 1, OpArgK, OpArgK, iABC) /* OP_IDIV */
- ,opmode(0, 1, OpArgK, OpArgK, iABC) /* OP_BAND */
- ,opmode(0, 1, OpArgK, OpArgK, iABC) /* OP_BOR */
- ,opmode(0, 1, OpArgK, OpArgK, iABC) /* OP_BXOR */
- ,opmode(0, 1, OpArgK, OpArgK, iABC) /* OP_SHL */
- ,opmode(0, 1, OpArgK, OpArgK, iABC) /* OP_SHR */
- ,opmode(0, 1, OpArgR, OpArgN, iABC) /* OP_UNM */
- ,opmode(0, 1, OpArgR, OpArgN, iABC) /* OP_BNOT */
- ,opmode(0, 1, OpArgR, OpArgN, iABC) /* OP_NOT */
- ,opmode(0, 1, OpArgR, OpArgN, iABC) /* OP_LEN */
- ,opmode(0, 1, OpArgR, OpArgR, iABC) /* OP_CONCAT */
- ,opmode(0, 0, OpArgR, OpArgN, iAsBx) /* OP_JMP */
- ,opmode(1, 0, OpArgK, OpArgK, iABC) /* OP_EQ */
- ,opmode(1, 0, OpArgK, OpArgK, iABC) /* OP_LT */
- ,opmode(1, 0, OpArgK, OpArgK, iABC) /* OP_LE */
- ,opmode(1, 0, OpArgN, OpArgU, iABC) /* OP_TEST */
- ,opmode(1, 1, OpArgR, OpArgU, iABC) /* OP_TESTSET */
- ,opmode(0, 1, OpArgU, OpArgU, iABC) /* OP_CALL */
- ,opmode(0, 1, OpArgU, OpArgU, iABC) /* OP_TAILCALL */
- ,opmode(0, 0, OpArgU, OpArgN, iABC) /* OP_RETURN */
- ,opmode(0, 1, OpArgR, OpArgN, iAsBx) /* OP_FORLOOP */
- ,opmode(0, 1, OpArgR, OpArgN, iAsBx) /* OP_FORPREP */
- ,opmode(0, 0, OpArgN, OpArgU, iABC) /* OP_TFORCALL */
- ,opmode(0, 1, OpArgR, OpArgN, iAsBx) /* OP_TFORLOOP */
- ,opmode(0, 0, OpArgU, OpArgU, iABC) /* OP_SETLIST */
- ,opmode(0, 1, OpArgU, OpArgN, iABx) /* OP_CLOSURE */
- ,opmode(0, 1, OpArgU, OpArgN, iABC) /* OP_VARARG */
- ,opmode(0, 0, OpArgU, OpArgU, iAx) /* OP_EXTRAARG */
-};
-
diff --git a/Build/source/libs/lua53/lua53-src/src/lopcodes.h b/Build/source/libs/lua53/lua53-src/src/lopcodes.h
deleted file mode 100644
index df6c2264b7b..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/lopcodes.h
+++ /dev/null
@@ -1,297 +0,0 @@
-/*
-** $Id: lopcodes.h,v 1.149.1.1 2017/04/19 17:20:42 roberto Exp $
-** Opcodes for Lua virtual machine
-** See Copyright Notice in lua.h
-*/
-
-#ifndef lopcodes_h
-#define lopcodes_h
-
-#include "llimits.h"
-
-
-/*===========================================================================
- We assume that instructions are unsigned numbers.
- All instructions have an opcode in the first 6 bits.
- Instructions can have the following fields:
- 'A' : 8 bits
- 'B' : 9 bits
- 'C' : 9 bits
- 'Ax' : 26 bits ('A', 'B', and 'C' together)
- 'Bx' : 18 bits ('B' and 'C' together)
- 'sBx' : signed Bx
-
- A signed argument is represented in excess K; that is, the number
- value is the unsigned value minus K. K is exactly the maximum value
- for that argument (so that -max is represented by 0, and +max is
- represented by 2*max), which is half the maximum for the corresponding
- unsigned argument.
-===========================================================================*/
-
-
-enum OpMode {iABC, iABx, iAsBx, iAx}; /* basic instruction format */
-
-
-/*
-** size and position of opcode arguments.
-*/
-#define SIZE_C 9
-#define SIZE_B 9
-#define SIZE_Bx (SIZE_C + SIZE_B)
-#define SIZE_A 8
-#define SIZE_Ax (SIZE_C + SIZE_B + SIZE_A)
-
-#define SIZE_OP 6
-
-#define POS_OP 0
-#define POS_A (POS_OP + SIZE_OP)
-#define POS_C (POS_A + SIZE_A)
-#define POS_B (POS_C + SIZE_C)
-#define POS_Bx POS_C
-#define POS_Ax POS_A
-
-
-/*
-** limits for opcode arguments.
-** we use (signed) int to manipulate most arguments,
-** so they must fit in LUAI_BITSINT-1 bits (-1 for sign)
-*/
-#if SIZE_Bx < LUAI_BITSINT-1
-#define MAXARG_Bx ((1<<SIZE_Bx)-1)
-#define MAXARG_sBx (MAXARG_Bx>>1) /* 'sBx' is signed */
-#else
-#define MAXARG_Bx MAX_INT
-#define MAXARG_sBx MAX_INT
-#endif
-
-#if SIZE_Ax < LUAI_BITSINT-1
-#define MAXARG_Ax ((1<<SIZE_Ax)-1)
-#else
-#define MAXARG_Ax MAX_INT
-#endif
-
-
-#define MAXARG_A ((1<<SIZE_A)-1)
-#define MAXARG_B ((1<<SIZE_B)-1)
-#define MAXARG_C ((1<<SIZE_C)-1)
-
-
-/* creates a mask with 'n' 1 bits at position 'p' */
-#define MASK1(n,p) ((~((~(Instruction)0)<<(n)))<<(p))
-
-/* creates a mask with 'n' 0 bits at position 'p' */
-#define MASK0(n,p) (~MASK1(n,p))
-
-/*
-** the following macros help to manipulate instructions
-*/
-
-#define GET_OPCODE(i) (cast(OpCode, ((i)>>POS_OP) & MASK1(SIZE_OP,0)))
-#define SET_OPCODE(i,o) ((i) = (((i)&MASK0(SIZE_OP,POS_OP)) | \
- ((cast(Instruction, o)<<POS_OP)&MASK1(SIZE_OP,POS_OP))))
-
-#define getarg(i,pos,size) (cast(int, ((i)>>pos) & MASK1(size,0)))
-#define setarg(i,v,pos,size) ((i) = (((i)&MASK0(size,pos)) | \
- ((cast(Instruction, v)<<pos)&MASK1(size,pos))))
-
-#define GETARG_A(i) getarg(i, POS_A, SIZE_A)
-#define SETARG_A(i,v) setarg(i, v, POS_A, SIZE_A)
-
-#define GETARG_B(i) getarg(i, POS_B, SIZE_B)
-#define SETARG_B(i,v) setarg(i, v, POS_B, SIZE_B)
-
-#define GETARG_C(i) getarg(i, POS_C, SIZE_C)
-#define SETARG_C(i,v) setarg(i, v, POS_C, SIZE_C)
-
-#define GETARG_Bx(i) getarg(i, POS_Bx, SIZE_Bx)
-#define SETARG_Bx(i,v) setarg(i, v, POS_Bx, SIZE_Bx)
-
-#define GETARG_Ax(i) getarg(i, POS_Ax, SIZE_Ax)
-#define SETARG_Ax(i,v) setarg(i, v, POS_Ax, SIZE_Ax)
-
-#define GETARG_sBx(i) (GETARG_Bx(i)-MAXARG_sBx)
-#define SETARG_sBx(i,b) SETARG_Bx((i),cast(unsigned int, (b)+MAXARG_sBx))
-
-
-#define CREATE_ABC(o,a,b,c) ((cast(Instruction, o)<<POS_OP) \
- | (cast(Instruction, a)<<POS_A) \
- | (cast(Instruction, b)<<POS_B) \
- | (cast(Instruction, c)<<POS_C))
-
-#define CREATE_ABx(o,a,bc) ((cast(Instruction, o)<<POS_OP) \
- | (cast(Instruction, a)<<POS_A) \
- | (cast(Instruction, bc)<<POS_Bx))
-
-#define CREATE_Ax(o,a) ((cast(Instruction, o)<<POS_OP) \
- | (cast(Instruction, a)<<POS_Ax))
-
-
-/*
-** Macros to operate RK indices
-*/
-
-/* this bit 1 means constant (0 means register) */
-#define BITRK (1 << (SIZE_B - 1))
-
-/* test whether value is a constant */
-#define ISK(x) ((x) & BITRK)
-
-/* gets the index of the constant */
-#define INDEXK(r) ((int)(r) & ~BITRK)
-
-#if !defined(MAXINDEXRK) /* (for debugging only) */
-#define MAXINDEXRK (BITRK - 1)
-#endif
-
-/* code a constant index as a RK value */
-#define RKASK(x) ((x) | BITRK)
-
-
-/*
-** invalid register that fits in 8 bits
-*/
-#define NO_REG MAXARG_A
-
-
-/*
-** R(x) - register
-** Kst(x) - constant (in constant table)
-** RK(x) == if ISK(x) then Kst(INDEXK(x)) else R(x)
-*/
-
-
-/*
-** grep "ORDER OP" if you change these enums
-*/
-
-typedef enum {
-/*----------------------------------------------------------------------
-name args description
-------------------------------------------------------------------------*/
-OP_MOVE,/* A B R(A) := R(B) */
-OP_LOADK,/* A Bx R(A) := Kst(Bx) */
-OP_LOADKX,/* A R(A) := Kst(extra arg) */
-OP_LOADBOOL,/* A B C R(A) := (Bool)B; if (C) pc++ */
-OP_LOADNIL,/* A B R(A), R(A+1), ..., R(A+B) := nil */
-OP_GETUPVAL,/* A B R(A) := UpValue[B] */
-
-OP_GETTABUP,/* A B C R(A) := UpValue[B][RK(C)] */
-OP_GETTABLE,/* A B C R(A) := R(B)[RK(C)] */
-
-OP_SETTABUP,/* A B C UpValue[A][RK(B)] := RK(C) */
-OP_SETUPVAL,/* A B UpValue[B] := R(A) */
-OP_SETTABLE,/* A B C R(A)[RK(B)] := RK(C) */
-
-OP_NEWTABLE,/* A B C R(A) := {} (size = B,C) */
-
-OP_SELF,/* A B C R(A+1) := R(B); R(A) := R(B)[RK(C)] */
-
-OP_ADD,/* A B C R(A) := RK(B) + RK(C) */
-OP_SUB,/* A B C R(A) := RK(B) - RK(C) */
-OP_MUL,/* A B C R(A) := RK(B) * RK(C) */
-OP_MOD,/* A B C R(A) := RK(B) % RK(C) */
-OP_POW,/* A B C R(A) := RK(B) ^ RK(C) */
-OP_DIV,/* A B C R(A) := RK(B) / RK(C) */
-OP_IDIV,/* A B C R(A) := RK(B) // RK(C) */
-OP_BAND,/* A B C R(A) := RK(B) & RK(C) */
-OP_BOR,/* A B C R(A) := RK(B) | RK(C) */
-OP_BXOR,/* A B C R(A) := RK(B) ~ RK(C) */
-OP_SHL,/* A B C R(A) := RK(B) << RK(C) */
-OP_SHR,/* A B C R(A) := RK(B) >> RK(C) */
-OP_UNM,/* A B R(A) := -R(B) */
-OP_BNOT,/* A B R(A) := ~R(B) */
-OP_NOT,/* A B R(A) := not R(B) */
-OP_LEN,/* A B R(A) := length of R(B) */
-
-OP_CONCAT,/* A B C R(A) := R(B).. ... ..R(C) */
-
-OP_JMP,/* A sBx pc+=sBx; if (A) close all upvalues >= R(A - 1) */
-OP_EQ,/* A B C if ((RK(B) == RK(C)) ~= A) then pc++ */
-OP_LT,/* A B C if ((RK(B) < RK(C)) ~= A) then pc++ */
-OP_LE,/* A B C if ((RK(B) <= RK(C)) ~= A) then pc++ */
-
-OP_TEST,/* A C if not (R(A) <=> C) then pc++ */
-OP_TESTSET,/* A B C if (R(B) <=> C) then R(A) := R(B) else pc++ */
-
-OP_CALL,/* A B C R(A), ... ,R(A+C-2) := R(A)(R(A+1), ... ,R(A+B-1)) */
-OP_TAILCALL,/* A B C return R(A)(R(A+1), ... ,R(A+B-1)) */
-OP_RETURN,/* A B return R(A), ... ,R(A+B-2) (see note) */
-
-OP_FORLOOP,/* A sBx R(A)+=R(A+2);
- if R(A) <?= R(A+1) then { pc+=sBx; R(A+3)=R(A) }*/
-OP_FORPREP,/* A sBx R(A)-=R(A+2); pc+=sBx */
-
-OP_TFORCALL,/* A C R(A+3), ... ,R(A+2+C) := R(A)(R(A+1), R(A+2)); */
-OP_TFORLOOP,/* A sBx if R(A+1) ~= nil then { R(A)=R(A+1); pc += sBx }*/
-
-OP_SETLIST,/* A B C R(A)[(C-1)*FPF+i] := R(A+i), 1 <= i <= B */
-
-OP_CLOSURE,/* A Bx R(A) := closure(KPROTO[Bx]) */
-
-OP_VARARG,/* A B R(A), R(A+1), ..., R(A+B-2) = vararg */
-
-OP_EXTRAARG/* Ax extra (larger) argument for previous opcode */
-} OpCode;
-
-
-#define NUM_OPCODES (cast(int, OP_EXTRAARG) + 1)
-
-
-
-/*===========================================================================
- Notes:
- (*) In OP_CALL, if (B == 0) then B = top. If (C == 0), then 'top' is
- set to last_result+1, so next open instruction (OP_CALL, OP_RETURN,
- OP_SETLIST) may use 'top'.
-
- (*) In OP_VARARG, if (B == 0) then use actual number of varargs and
- set top (like in OP_CALL with C == 0).
-
- (*) In OP_RETURN, if (B == 0) then return up to 'top'.
-
- (*) In OP_SETLIST, if (B == 0) then B = 'top'; if (C == 0) then next
- 'instruction' is EXTRAARG(real C).
-
- (*) In OP_LOADKX, the next 'instruction' is always EXTRAARG.
-
- (*) For comparisons, A specifies what condition the test should accept
- (true or false).
-
- (*) All 'skips' (pc++) assume that next instruction is a jump.
-
-===========================================================================*/
-
-
-/*
-** masks for instruction properties. The format is:
-** bits 0-1: op mode
-** bits 2-3: C arg mode
-** bits 4-5: B arg mode
-** bit 6: instruction set register A
-** bit 7: operator is a test (next instruction must be a jump)
-*/
-
-enum OpArgMask {
- OpArgN, /* argument is not used */
- OpArgU, /* argument is used */
- OpArgR, /* argument is a register or a jump offset */
- OpArgK /* argument is a constant or register/constant */
-};
-
-LUA_API const lu_byte luaP_opmodes[NUM_OPCODES];
-
-#define getOpMode(m) (cast(enum OpMode, luaP_opmodes[m] & 3))
-#define getBMode(m) (cast(enum OpArgMask, (luaP_opmodes[m] >> 4) & 3))
-#define getCMode(m) (cast(enum OpArgMask, (luaP_opmodes[m] >> 2) & 3))
-#define testAMode(m) (luaP_opmodes[m] & (1 << 6))
-#define testTMode(m) (luaP_opmodes[m] & (1 << 7))
-
-
-LUA_API const char *const luaP_opnames[NUM_OPCODES+1]; /* opcode names */
-
-
-/* number of list items to accumulate before a SETLIST instruction */
-#define LFIELDS_PER_FLUSH 50
-
-
-#endif
diff --git a/Build/source/libs/lua53/lua53-src/src/lopcodes.h.orig b/Build/source/libs/lua53/lua53-src/src/lopcodes.h.orig
deleted file mode 100644
index 6feaa1cd07a..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/lopcodes.h.orig
+++ /dev/null
@@ -1,297 +0,0 @@
-/*
-** $Id: lopcodes.h,v 1.149.1.1 2017/04/19 17:20:42 roberto Exp $
-** Opcodes for Lua virtual machine
-** See Copyright Notice in lua.h
-*/
-
-#ifndef lopcodes_h
-#define lopcodes_h
-
-#include "llimits.h"
-
-
-/*===========================================================================
- We assume that instructions are unsigned numbers.
- All instructions have an opcode in the first 6 bits.
- Instructions can have the following fields:
- 'A' : 8 bits
- 'B' : 9 bits
- 'C' : 9 bits
- 'Ax' : 26 bits ('A', 'B', and 'C' together)
- 'Bx' : 18 bits ('B' and 'C' together)
- 'sBx' : signed Bx
-
- A signed argument is represented in excess K; that is, the number
- value is the unsigned value minus K. K is exactly the maximum value
- for that argument (so that -max is represented by 0, and +max is
- represented by 2*max), which is half the maximum for the corresponding
- unsigned argument.
-===========================================================================*/
-
-
-enum OpMode {iABC, iABx, iAsBx, iAx}; /* basic instruction format */
-
-
-/*
-** size and position of opcode arguments.
-*/
-#define SIZE_C 9
-#define SIZE_B 9
-#define SIZE_Bx (SIZE_C + SIZE_B)
-#define SIZE_A 8
-#define SIZE_Ax (SIZE_C + SIZE_B + SIZE_A)
-
-#define SIZE_OP 6
-
-#define POS_OP 0
-#define POS_A (POS_OP + SIZE_OP)
-#define POS_C (POS_A + SIZE_A)
-#define POS_B (POS_C + SIZE_C)
-#define POS_Bx POS_C
-#define POS_Ax POS_A
-
-
-/*
-** limits for opcode arguments.
-** we use (signed) int to manipulate most arguments,
-** so they must fit in LUAI_BITSINT-1 bits (-1 for sign)
-*/
-#if SIZE_Bx < LUAI_BITSINT-1
-#define MAXARG_Bx ((1<<SIZE_Bx)-1)
-#define MAXARG_sBx (MAXARG_Bx>>1) /* 'sBx' is signed */
-#else
-#define MAXARG_Bx MAX_INT
-#define MAXARG_sBx MAX_INT
-#endif
-
-#if SIZE_Ax < LUAI_BITSINT-1
-#define MAXARG_Ax ((1<<SIZE_Ax)-1)
-#else
-#define MAXARG_Ax MAX_INT
-#endif
-
-
-#define MAXARG_A ((1<<SIZE_A)-1)
-#define MAXARG_B ((1<<SIZE_B)-1)
-#define MAXARG_C ((1<<SIZE_C)-1)
-
-
-/* creates a mask with 'n' 1 bits at position 'p' */
-#define MASK1(n,p) ((~((~(Instruction)0)<<(n)))<<(p))
-
-/* creates a mask with 'n' 0 bits at position 'p' */
-#define MASK0(n,p) (~MASK1(n,p))
-
-/*
-** the following macros help to manipulate instructions
-*/
-
-#define GET_OPCODE(i) (cast(OpCode, ((i)>>POS_OP) & MASK1(SIZE_OP,0)))
-#define SET_OPCODE(i,o) ((i) = (((i)&MASK0(SIZE_OP,POS_OP)) | \
- ((cast(Instruction, o)<<POS_OP)&MASK1(SIZE_OP,POS_OP))))
-
-#define getarg(i,pos,size) (cast(int, ((i)>>pos) & MASK1(size,0)))
-#define setarg(i,v,pos,size) ((i) = (((i)&MASK0(size,pos)) | \
- ((cast(Instruction, v)<<pos)&MASK1(size,pos))))
-
-#define GETARG_A(i) getarg(i, POS_A, SIZE_A)
-#define SETARG_A(i,v) setarg(i, v, POS_A, SIZE_A)
-
-#define GETARG_B(i) getarg(i, POS_B, SIZE_B)
-#define SETARG_B(i,v) setarg(i, v, POS_B, SIZE_B)
-
-#define GETARG_C(i) getarg(i, POS_C, SIZE_C)
-#define SETARG_C(i,v) setarg(i, v, POS_C, SIZE_C)
-
-#define GETARG_Bx(i) getarg(i, POS_Bx, SIZE_Bx)
-#define SETARG_Bx(i,v) setarg(i, v, POS_Bx, SIZE_Bx)
-
-#define GETARG_Ax(i) getarg(i, POS_Ax, SIZE_Ax)
-#define SETARG_Ax(i,v) setarg(i, v, POS_Ax, SIZE_Ax)
-
-#define GETARG_sBx(i) (GETARG_Bx(i)-MAXARG_sBx)
-#define SETARG_sBx(i,b) SETARG_Bx((i),cast(unsigned int, (b)+MAXARG_sBx))
-
-
-#define CREATE_ABC(o,a,b,c) ((cast(Instruction, o)<<POS_OP) \
- | (cast(Instruction, a)<<POS_A) \
- | (cast(Instruction, b)<<POS_B) \
- | (cast(Instruction, c)<<POS_C))
-
-#define CREATE_ABx(o,a,bc) ((cast(Instruction, o)<<POS_OP) \
- | (cast(Instruction, a)<<POS_A) \
- | (cast(Instruction, bc)<<POS_Bx))
-
-#define CREATE_Ax(o,a) ((cast(Instruction, o)<<POS_OP) \
- | (cast(Instruction, a)<<POS_Ax))
-
-
-/*
-** Macros to operate RK indices
-*/
-
-/* this bit 1 means constant (0 means register) */
-#define BITRK (1 << (SIZE_B - 1))
-
-/* test whether value is a constant */
-#define ISK(x) ((x) & BITRK)
-
-/* gets the index of the constant */
-#define INDEXK(r) ((int)(r) & ~BITRK)
-
-#if !defined(MAXINDEXRK) /* (for debugging only) */
-#define MAXINDEXRK (BITRK - 1)
-#endif
-
-/* code a constant index as a RK value */
-#define RKASK(x) ((x) | BITRK)
-
-
-/*
-** invalid register that fits in 8 bits
-*/
-#define NO_REG MAXARG_A
-
-
-/*
-** R(x) - register
-** Kst(x) - constant (in constant table)
-** RK(x) == if ISK(x) then Kst(INDEXK(x)) else R(x)
-*/
-
-
-/*
-** grep "ORDER OP" if you change these enums
-*/
-
-typedef enum {
-/*----------------------------------------------------------------------
-name args description
-------------------------------------------------------------------------*/
-OP_MOVE,/* A B R(A) := R(B) */
-OP_LOADK,/* A Bx R(A) := Kst(Bx) */
-OP_LOADKX,/* A R(A) := Kst(extra arg) */
-OP_LOADBOOL,/* A B C R(A) := (Bool)B; if (C) pc++ */
-OP_LOADNIL,/* A B R(A), R(A+1), ..., R(A+B) := nil */
-OP_GETUPVAL,/* A B R(A) := UpValue[B] */
-
-OP_GETTABUP,/* A B C R(A) := UpValue[B][RK(C)] */
-OP_GETTABLE,/* A B C R(A) := R(B)[RK(C)] */
-
-OP_SETTABUP,/* A B C UpValue[A][RK(B)] := RK(C) */
-OP_SETUPVAL,/* A B UpValue[B] := R(A) */
-OP_SETTABLE,/* A B C R(A)[RK(B)] := RK(C) */
-
-OP_NEWTABLE,/* A B C R(A) := {} (size = B,C) */
-
-OP_SELF,/* A B C R(A+1) := R(B); R(A) := R(B)[RK(C)] */
-
-OP_ADD,/* A B C R(A) := RK(B) + RK(C) */
-OP_SUB,/* A B C R(A) := RK(B) - RK(C) */
-OP_MUL,/* A B C R(A) := RK(B) * RK(C) */
-OP_MOD,/* A B C R(A) := RK(B) % RK(C) */
-OP_POW,/* A B C R(A) := RK(B) ^ RK(C) */
-OP_DIV,/* A B C R(A) := RK(B) / RK(C) */
-OP_IDIV,/* A B C R(A) := RK(B) // RK(C) */
-OP_BAND,/* A B C R(A) := RK(B) & RK(C) */
-OP_BOR,/* A B C R(A) := RK(B) | RK(C) */
-OP_BXOR,/* A B C R(A) := RK(B) ~ RK(C) */
-OP_SHL,/* A B C R(A) := RK(B) << RK(C) */
-OP_SHR,/* A B C R(A) := RK(B) >> RK(C) */
-OP_UNM,/* A B R(A) := -R(B) */
-OP_BNOT,/* A B R(A) := ~R(B) */
-OP_NOT,/* A B R(A) := not R(B) */
-OP_LEN,/* A B R(A) := length of R(B) */
-
-OP_CONCAT,/* A B C R(A) := R(B).. ... ..R(C) */
-
-OP_JMP,/* A sBx pc+=sBx; if (A) close all upvalues >= R(A - 1) */
-OP_EQ,/* A B C if ((RK(B) == RK(C)) ~= A) then pc++ */
-OP_LT,/* A B C if ((RK(B) < RK(C)) ~= A) then pc++ */
-OP_LE,/* A B C if ((RK(B) <= RK(C)) ~= A) then pc++ */
-
-OP_TEST,/* A C if not (R(A) <=> C) then pc++ */
-OP_TESTSET,/* A B C if (R(B) <=> C) then R(A) := R(B) else pc++ */
-
-OP_CALL,/* A B C R(A), ... ,R(A+C-2) := R(A)(R(A+1), ... ,R(A+B-1)) */
-OP_TAILCALL,/* A B C return R(A)(R(A+1), ... ,R(A+B-1)) */
-OP_RETURN,/* A B return R(A), ... ,R(A+B-2) (see note) */
-
-OP_FORLOOP,/* A sBx R(A)+=R(A+2);
- if R(A) <?= R(A+1) then { pc+=sBx; R(A+3)=R(A) }*/
-OP_FORPREP,/* A sBx R(A)-=R(A+2); pc+=sBx */
-
-OP_TFORCALL,/* A C R(A+3), ... ,R(A+2+C) := R(A)(R(A+1), R(A+2)); */
-OP_TFORLOOP,/* A sBx if R(A+1) ~= nil then { R(A)=R(A+1); pc += sBx }*/
-
-OP_SETLIST,/* A B C R(A)[(C-1)*FPF+i] := R(A+i), 1 <= i <= B */
-
-OP_CLOSURE,/* A Bx R(A) := closure(KPROTO[Bx]) */
-
-OP_VARARG,/* A B R(A), R(A+1), ..., R(A+B-2) = vararg */
-
-OP_EXTRAARG/* Ax extra (larger) argument for previous opcode */
-} OpCode;
-
-
-#define NUM_OPCODES (cast(int, OP_EXTRAARG) + 1)
-
-
-
-/*===========================================================================
- Notes:
- (*) In OP_CALL, if (B == 0) then B = top. If (C == 0), then 'top' is
- set to last_result+1, so next open instruction (OP_CALL, OP_RETURN,
- OP_SETLIST) may use 'top'.
-
- (*) In OP_VARARG, if (B == 0) then use actual number of varargs and
- set top (like in OP_CALL with C == 0).
-
- (*) In OP_RETURN, if (B == 0) then return up to 'top'.
-
- (*) In OP_SETLIST, if (B == 0) then B = 'top'; if (C == 0) then next
- 'instruction' is EXTRAARG(real C).
-
- (*) In OP_LOADKX, the next 'instruction' is always EXTRAARG.
-
- (*) For comparisons, A specifies what condition the test should accept
- (true or false).
-
- (*) All 'skips' (pc++) assume that next instruction is a jump.
-
-===========================================================================*/
-
-
-/*
-** masks for instruction properties. The format is:
-** bits 0-1: op mode
-** bits 2-3: C arg mode
-** bits 4-5: B arg mode
-** bit 6: instruction set register A
-** bit 7: operator is a test (next instruction must be a jump)
-*/
-
-enum OpArgMask {
- OpArgN, /* argument is not used */
- OpArgU, /* argument is used */
- OpArgR, /* argument is a register or a jump offset */
- OpArgK /* argument is a constant or register/constant */
-};
-
-LUAI_DDEC const lu_byte luaP_opmodes[NUM_OPCODES];
-
-#define getOpMode(m) (cast(enum OpMode, luaP_opmodes[m] & 3))
-#define getBMode(m) (cast(enum OpArgMask, (luaP_opmodes[m] >> 4) & 3))
-#define getCMode(m) (cast(enum OpArgMask, (luaP_opmodes[m] >> 2) & 3))
-#define testAMode(m) (luaP_opmodes[m] & (1 << 6))
-#define testTMode(m) (luaP_opmodes[m] & (1 << 7))
-
-
-LUAI_DDEC const char *const luaP_opnames[NUM_OPCODES+1]; /* opcode names */
-
-
-/* number of list items to accumulate before a SETLIST instruction */
-#define LFIELDS_PER_FLUSH 50
-
-
-#endif
diff --git a/Build/source/libs/lua53/lua53-src/src/loslib.c b/Build/source/libs/lua53/lua53-src/src/loslib.c
deleted file mode 100644
index de590c6b717..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/loslib.c
+++ /dev/null
@@ -1,409 +0,0 @@
-/*
-** $Id: loslib.c,v 1.65.1.1 2017/04/19 17:29:57 roberto Exp $
-** Standard Operating System library
-** See Copyright Notice in lua.h
-*/
-
-#define loslib_c
-#define LUA_LIB
-
-#include "lprefix.h"
-
-
-#include <errno.h>
-#include <locale.h>
-#include <stdlib.h>
-#include <string.h>
-#include <time.h>
-
-#include "lua.h"
-
-#include "lauxlib.h"
-#include "lualib.h"
-
-
-/*
-** {==================================================================
-** List of valid conversion specifiers for the 'strftime' function;
-** options are grouped by length; group of length 2 start with '||'.
-** ===================================================================
-*/
-#if !defined(LUA_STRFTIMEOPTIONS) /* { */
-
-/* options for ANSI C 89 (only 1-char options) */
-#define L_STRFTIMEC89 "aAbBcdHIjmMpSUwWxXyYZ%"
-
-/* options for ISO C 99 and POSIX */
-#define L_STRFTIMEC99 "aAbBcCdDeFgGhHIjmMnprRStTuUVwWxXyYzZ%" \
- "||" "EcECExEXEyEY" "OdOeOHOIOmOMOSOuOUOVOwOWOy" /* two-char options */
-
-/* options for Windows */
-#define L_STRFTIMEWIN "aAbBcdHIjmMpSUwWxXyYzZ%" \
- "||" "#c#x#d#H#I#j#m#M#S#U#w#W#y#Y" /* two-char options */
-
-#if defined(LUA_USE_WINDOWS)
-#define LUA_STRFTIMEOPTIONS L_STRFTIMEWIN
-#elif defined(LUA_USE_C89)
-#define LUA_STRFTIMEOPTIONS L_STRFTIMEC89
-#else /* C99 specification */
-#define LUA_STRFTIMEOPTIONS L_STRFTIMEC99
-#endif
-
-#endif /* } */
-/* }================================================================== */
-
-
-/*
-** {==================================================================
-** Configuration for time-related stuff
-** ===================================================================
-*/
-
-#if !defined(l_time_t) /* { */
-/*
-** type to represent time_t in Lua
-*/
-#define l_timet lua_Integer
-#define l_pushtime(L,t) lua_pushinteger(L,(lua_Integer)(t))
-
-static time_t l_checktime (lua_State *L, int arg) {
- lua_Integer t = luaL_checkinteger(L, arg);
- luaL_argcheck(L, (time_t)t == t, arg, "time out-of-bounds");
- return (time_t)t;
-}
-
-#endif /* } */
-
-
-#if !defined(l_gmtime) /* { */
-/*
-** By default, Lua uses gmtime/localtime, except when POSIX is available,
-** where it uses gmtime_r/localtime_r
-*/
-
-#if defined(LUA_USE_POSIX) /* { */
-
-#define l_gmtime(t,r) gmtime_r(t,r)
-#define l_localtime(t,r) localtime_r(t,r)
-
-#else /* }{ */
-
-/* ISO C definitions */
-#define l_gmtime(t,r) ((void)(r)->tm_sec, gmtime(t))
-#define l_localtime(t,r) ((void)(r)->tm_sec, localtime(t))
-
-#endif /* } */
-
-#endif /* } */
-
-/* }================================================================== */
-
-
-/*
-** {==================================================================
-** Configuration for 'tmpnam':
-** By default, Lua uses tmpnam except when POSIX is available, where
-** it uses mkstemp.
-** ===================================================================
-*/
-#if !defined(lua_tmpnam) /* { */
-
-#if defined(LUA_USE_POSIX) /* { */
-
-#include <unistd.h>
-
-#define LUA_TMPNAMBUFSIZE 32
-
-#if !defined(LUA_TMPNAMTEMPLATE)
-#define LUA_TMPNAMTEMPLATE "/tmp/lua_XXXXXX"
-#endif
-
-#define lua_tmpnam(b,e) { \
- strcpy(b, LUA_TMPNAMTEMPLATE); \
- e = mkstemp(b); \
- if (e != -1) close(e); \
- e = (e == -1); }
-
-#else /* }{ */
-
-/* ISO C definitions */
-#define LUA_TMPNAMBUFSIZE L_tmpnam
-#define lua_tmpnam(b,e) { e = (tmpnam(b) == NULL); }
-
-#endif /* } */
-
-#endif /* } */
-/* }================================================================== */
-
-
-
-
-static int os_execute (lua_State *L) {
- const char *cmd = luaL_optstring(L, 1, NULL);
- int stat = system(cmd);
- if (cmd != NULL)
- return luaL_execresult(L, stat);
- else {
- lua_pushboolean(L, stat); /* true if there is a shell */
- return 1;
- }
-}
-
-
-static int os_remove (lua_State *L) {
- const char *filename = luaL_checkstring(L, 1);
- return luaL_fileresult(L, remove(filename) == 0, filename);
-}
-
-
-static int os_rename (lua_State *L) {
- const char *fromname = luaL_checkstring(L, 1);
- const char *toname = luaL_checkstring(L, 2);
- return luaL_fileresult(L, rename(fromname, toname) == 0, NULL);
-}
-
-
-static int os_tmpname (lua_State *L) {
- char buff[LUA_TMPNAMBUFSIZE];
- int err;
- lua_tmpnam(buff, err);
- if (err)
- return luaL_error(L, "unable to generate a unique filename");
- lua_pushstring(L, buff);
- return 1;
-}
-
-
-static int os_getenv (lua_State *L) {
- lua_pushstring(L, getenv(luaL_checkstring(L, 1))); /* if NULL push nil */
- return 1;
-}
-
-
-static int os_clock (lua_State *L) {
- lua_pushnumber(L, ((lua_Number)clock())/(lua_Number)CLOCKS_PER_SEC);
- return 1;
-}
-
-
-/*
-** {======================================================
-** Time/Date operations
-** { year=%Y, month=%m, day=%d, hour=%H, min=%M, sec=%S,
-** wday=%w+1, yday=%j, isdst=? }
-** =======================================================
-*/
-
-static void setfield (lua_State *L, const char *key, int value) {
- lua_pushinteger(L, value);
- lua_setfield(L, -2, key);
-}
-
-static void setboolfield (lua_State *L, const char *key, int value) {
- if (value < 0) /* undefined? */
- return; /* does not set field */
- lua_pushboolean(L, value);
- lua_setfield(L, -2, key);
-}
-
-
-/*
-** Set all fields from structure 'tm' in the table on top of the stack
-*/
-static void setallfields (lua_State *L, struct tm *stm) {
- setfield(L, "sec", stm->tm_sec);
- setfield(L, "min", stm->tm_min);
- setfield(L, "hour", stm->tm_hour);
- setfield(L, "day", stm->tm_mday);
- setfield(L, "month", stm->tm_mon + 1);
- setfield(L, "year", stm->tm_year + 1900);
- setfield(L, "wday", stm->tm_wday + 1);
- setfield(L, "yday", stm->tm_yday + 1);
- setboolfield(L, "isdst", stm->tm_isdst);
-}
-
-
-static int getboolfield (lua_State *L, const char *key) {
- int res;
- res = (lua_getfield(L, -1, key) == LUA_TNIL) ? -1 : lua_toboolean(L, -1);
- lua_pop(L, 1);
- return res;
-}
-
-
-/* maximum value for date fields (to avoid arithmetic overflows with 'int') */
-#if !defined(L_MAXDATEFIELD)
-#define L_MAXDATEFIELD (INT_MAX / 2)
-#endif
-
-static int getfield (lua_State *L, const char *key, int d, int delta) {
- int isnum;
- int t = lua_getfield(L, -1, key); /* get field and its type */
- lua_Integer res = lua_tointegerx(L, -1, &isnum);
- if (!isnum) { /* field is not an integer? */
- if (t != LUA_TNIL) /* some other value? */
- return luaL_error(L, "field '%s' is not an integer", key);
- else if (d < 0) /* absent field; no default? */
- return luaL_error(L, "field '%s' missing in date table", key);
- res = d;
- }
- else {
- if (!(-L_MAXDATEFIELD <= res && res <= L_MAXDATEFIELD))
- return luaL_error(L, "field '%s' is out-of-bound", key);
- res -= delta;
- }
- lua_pop(L, 1);
- return (int)res;
-}
-
-
-static const char *checkoption (lua_State *L, const char *conv,
- ptrdiff_t convlen, char *buff) {
- const char *option = LUA_STRFTIMEOPTIONS;
- int oplen = 1; /* length of options being checked */
- for (; *option != '\0' && oplen <= convlen; option += oplen) {
- if (*option == '|') /* next block? */
- oplen++; /* will check options with next length (+1) */
- else if (memcmp(conv, option, oplen) == 0) { /* match? */
- memcpy(buff, conv, oplen); /* copy valid option to buffer */
- buff[oplen] = '\0';
- return conv + oplen; /* return next item */
- }
- }
- luaL_argerror(L, 1,
- lua_pushfstring(L, "invalid conversion specifier '%%%s'", conv));
- return conv; /* to avoid warnings */
-}
-
-
-/* maximum size for an individual 'strftime' item */
-#define SIZETIMEFMT 250
-
-
-static int os_date (lua_State *L) {
- size_t slen;
- const char *s = luaL_optlstring(L, 1, "%c", &slen);
- time_t t = luaL_opt(L, l_checktime, 2, time(NULL));
- const char *se = s + slen; /* 's' end */
- struct tm tmr, *stm;
- if (*s == '!') { /* UTC? */
- stm = l_gmtime(&t, &tmr);
- s++; /* skip '!' */
- }
- else
- stm = l_localtime(&t, &tmr);
- if (stm == NULL) /* invalid date? */
- return luaL_error(L,
- "time result cannot be represented in this installation");
- if (strcmp(s, "*t") == 0) {
- lua_createtable(L, 0, 9); /* 9 = number of fields */
- setallfields(L, stm);
- }
- else {
- char cc[4]; /* buffer for individual conversion specifiers */
- luaL_Buffer b;
- cc[0] = '%';
- luaL_buffinit(L, &b);
- while (s < se) {
- if (*s != '%') /* not a conversion specifier? */
- luaL_addchar(&b, *s++);
- else {
- size_t reslen;
- char *buff = luaL_prepbuffsize(&b, SIZETIMEFMT);
- s++; /* skip '%' */
- s = checkoption(L, s, se - s, cc + 1); /* copy specifier to 'cc' */
- reslen = strftime(buff, SIZETIMEFMT, cc, stm);
- luaL_addsize(&b, reslen);
- }
- }
- luaL_pushresult(&b);
- }
- return 1;
-}
-
-
-static int os_time (lua_State *L) {
- time_t t;
- if (lua_isnoneornil(L, 1)) /* called without args? */
- t = time(NULL); /* get current time */
- else {
- struct tm ts;
- luaL_checktype(L, 1, LUA_TTABLE);
- lua_settop(L, 1); /* make sure table is at the top */
- ts.tm_sec = getfield(L, "sec", 0, 0);
- ts.tm_min = getfield(L, "min", 0, 0);
- ts.tm_hour = getfield(L, "hour", 12, 0);
- ts.tm_mday = getfield(L, "day", -1, 0);
- ts.tm_mon = getfield(L, "month", -1, 1);
- ts.tm_year = getfield(L, "year", -1, 1900);
- ts.tm_isdst = getboolfield(L, "isdst");
- t = mktime(&ts);
- setallfields(L, &ts); /* update fields with normalized values */
- }
- if (t != (time_t)(l_timet)t || t == (time_t)(-1))
- return luaL_error(L,
- "time result cannot be represented in this installation");
- l_pushtime(L, t);
- return 1;
-}
-
-
-static int os_difftime (lua_State *L) {
- time_t t1 = l_checktime(L, 1);
- time_t t2 = l_checktime(L, 2);
- lua_pushnumber(L, (lua_Number)difftime(t1, t2));
- return 1;
-}
-
-/* }====================================================== */
-
-
-static int os_setlocale (lua_State *L) {
- static const int cat[] = {LC_ALL, LC_COLLATE, LC_CTYPE, LC_MONETARY,
- LC_NUMERIC, LC_TIME};
- static const char *const catnames[] = {"all", "collate", "ctype", "monetary",
- "numeric", "time", NULL};
- const char *l = luaL_optstring(L, 1, NULL);
- int op = luaL_checkoption(L, 2, "all", catnames);
- lua_pushstring(L, setlocale(cat[op], l));
- return 1;
-}
-
-
-static int os_exit (lua_State *L) {
- int status;
- if (lua_isboolean(L, 1))
- status = (lua_toboolean(L, 1) ? EXIT_SUCCESS : EXIT_FAILURE);
- else
- status = (int)luaL_optinteger(L, 1, EXIT_SUCCESS);
- if (lua_toboolean(L, 2))
- lua_close(L);
- if (L) exit(status); /* 'if' to avoid warnings for unreachable 'return' */
- return 0;
-}
-
-
-static const luaL_Reg syslib[] = {
- {"clock", os_clock},
- {"date", os_date},
- {"difftime", os_difftime},
- {"execute", os_execute},
- {"exit", os_exit},
- {"getenv", os_getenv},
- {"remove", os_remove},
- {"rename", os_rename},
- {"setlocale", os_setlocale},
- {"time", os_time},
- {"tmpname", os_tmpname},
- {NULL, NULL}
-};
-
-/* }====================================================== */
-
-
-
-LUAMOD_API int luaopen_os (lua_State *L) {
- luaL_newlib(L, syslib);
- return 1;
-}
-
diff --git a/Build/source/libs/lua53/lua53-src/src/lparser.c b/Build/source/libs/lua53/lua53-src/src/lparser.c
deleted file mode 100644
index 2f41e00b803..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/lparser.c
+++ /dev/null
@@ -1,1653 +0,0 @@
-/*
-** $Id: lparser.c,v 2.155.1.2 2017/04/29 18:11:40 roberto Exp $
-** Lua Parser
-** See Copyright Notice in lua.h
-*/
-
-#define lparser_c
-#define LUA_CORE
-
-#include "lprefix.h"
-
-
-#include <string.h>
-
-#include "lua.h"
-
-#include "lcode.h"
-#include "ldebug.h"
-#include "ldo.h"
-#include "lfunc.h"
-#include "llex.h"
-#include "lmem.h"
-#include "lobject.h"
-#include "lopcodes.h"
-#include "lparser.h"
-#include "lstate.h"
-#include "lstring.h"
-#include "ltable.h"
-
-
-
-/* maximum number of local variables per function (must be smaller
- than 250, due to the bytecode format) */
-#define MAXVARS 200
-
-
-#define hasmultret(k) ((k) == VCALL || (k) == VVARARG)
-
-
-/* because all strings are unified by the scanner, the parser
- can use pointer equality for string equality */
-#define eqstr(a,b) ((a) == (b))
-
-
-/*
-** nodes for block list (list of active blocks)
-*/
-typedef struct BlockCnt {
- struct BlockCnt *previous; /* chain */
- int firstlabel; /* index of first label in this block */
- int firstgoto; /* index of first pending goto in this block */
- lu_byte nactvar; /* # active locals outside the block */
- lu_byte upval; /* true if some variable in the block is an upvalue */
- lu_byte isloop; /* true if 'block' is a loop */
-} BlockCnt;
-
-
-
-/*
-** prototypes for recursive non-terminal functions
-*/
-static void statement (LexState *ls);
-static void expr (LexState *ls, expdesc *v);
-
-
-/* semantic error */
-static l_noret semerror (LexState *ls, const char *msg) {
- ls->t.token = 0; /* remove "near <token>" from final message */
- luaX_syntaxerror(ls, msg);
-}
-
-
-static l_noret error_expected (LexState *ls, int token) {
- luaX_syntaxerror(ls,
- luaO_pushfstring(ls->L, "%s expected", luaX_token2str(ls, token)));
-}
-
-
-static l_noret errorlimit (FuncState *fs, int limit, const char *what) {
- lua_State *L = fs->ls->L;
- const char *msg;
- int line = fs->f->linedefined;
- const char *where = (line == 0)
- ? "main function"
- : luaO_pushfstring(L, "function at line %d", line);
- msg = luaO_pushfstring(L, "too many %s (limit is %d) in %s",
- what, limit, where);
- luaX_syntaxerror(fs->ls, msg);
-}
-
-
-static void checklimit (FuncState *fs, int v, int l, const char *what) {
- if (v > l) errorlimit(fs, l, what);
-}
-
-
-static int testnext (LexState *ls, int c) {
- if (ls->t.token == c) {
- luaX_next(ls);
- return 1;
- }
- else return 0;
-}
-
-
-static void check (LexState *ls, int c) {
- if (ls->t.token != c)
- error_expected(ls, c);
-}
-
-
-static void checknext (LexState *ls, int c) {
- check(ls, c);
- luaX_next(ls);
-}
-
-
-#define check_condition(ls,c,msg) { if (!(c)) luaX_syntaxerror(ls, msg); }
-
-
-
-static void check_match (LexState *ls, int what, int who, int where) {
- if (!testnext(ls, what)) {
- if (where == ls->linenumber)
- error_expected(ls, what);
- else {
- luaX_syntaxerror(ls, luaO_pushfstring(ls->L,
- "%s expected (to close %s at line %d)",
- luaX_token2str(ls, what), luaX_token2str(ls, who), where));
- }
- }
-}
-
-
-static TString *str_checkname (LexState *ls) {
- TString *ts;
- check(ls, TK_NAME);
- ts = ls->t.seminfo.ts;
- luaX_next(ls);
- return ts;
-}
-
-
-static void init_exp (expdesc *e, expkind k, int i) {
- e->f = e->t = NO_JUMP;
- e->k = k;
- e->u.info = i;
-}
-
-
-static void codestring (LexState *ls, expdesc *e, TString *s) {
- init_exp(e, VK, luaK_stringK(ls->fs, s));
-}
-
-
-static void checkname (LexState *ls, expdesc *e) {
- codestring(ls, e, str_checkname(ls));
-}
-
-
-static int registerlocalvar (LexState *ls, TString *varname) {
- FuncState *fs = ls->fs;
- Proto *f = fs->f;
- int oldsize = f->sizelocvars;
- luaM_growvector(ls->L, f->locvars, fs->nlocvars, f->sizelocvars,
- LocVar, SHRT_MAX, "local variables");
- while (oldsize < f->sizelocvars)
- f->locvars[oldsize++].varname = NULL;
- f->locvars[fs->nlocvars].varname = varname;
- luaC_objbarrier(ls->L, f, varname);
- return fs->nlocvars++;
-}
-
-
-static void new_localvar (LexState *ls, TString *name) {
- FuncState *fs = ls->fs;
- Dyndata *dyd = ls->dyd;
- int reg = registerlocalvar(ls, name);
- checklimit(fs, dyd->actvar.n + 1 - fs->firstlocal,
- MAXVARS, "local variables");
- luaM_growvector(ls->L, dyd->actvar.arr, dyd->actvar.n + 1,
- dyd->actvar.size, Vardesc, MAX_INT, "local variables");
- dyd->actvar.arr[dyd->actvar.n++].idx = cast(short, reg);
-}
-
-
-static void new_localvarliteral_ (LexState *ls, const char *name, size_t sz) {
- new_localvar(ls, luaX_newstring(ls, name, sz));
-}
-
-#define new_localvarliteral(ls,v) \
- new_localvarliteral_(ls, "" v, (sizeof(v)/sizeof(char))-1)
-
-
-static LocVar *getlocvar (FuncState *fs, int i) {
- int idx = fs->ls->dyd->actvar.arr[fs->firstlocal + i].idx;
- lua_assert(idx < fs->nlocvars);
- return &fs->f->locvars[idx];
-}
-
-
-static void adjustlocalvars (LexState *ls, int nvars) {
- FuncState *fs = ls->fs;
- fs->nactvar = cast_byte(fs->nactvar + nvars);
- for (; nvars; nvars--) {
- getlocvar(fs, fs->nactvar - nvars)->startpc = fs->pc;
- }
-}
-
-
-static void removevars (FuncState *fs, int tolevel) {
- fs->ls->dyd->actvar.n -= (fs->nactvar - tolevel);
- while (fs->nactvar > tolevel)
- getlocvar(fs, --fs->nactvar)->endpc = fs->pc;
-}
-
-
-static int searchupvalue (FuncState *fs, TString *name) {
- int i;
- Upvaldesc *up = fs->f->upvalues;
- for (i = 0; i < fs->nups; i++) {
- if (eqstr(up[i].name, name)) return i;
- }
- return -1; /* not found */
-}
-
-
-static int newupvalue (FuncState *fs, TString *name, expdesc *v) {
- Proto *f = fs->f;
- int oldsize = f->sizeupvalues;
- checklimit(fs, fs->nups + 1, MAXUPVAL, "upvalues");
- luaM_growvector(fs->ls->L, f->upvalues, fs->nups, f->sizeupvalues,
- Upvaldesc, MAXUPVAL, "upvalues");
- while (oldsize < f->sizeupvalues)
- f->upvalues[oldsize++].name = NULL;
- f->upvalues[fs->nups].instack = (v->k == VLOCAL);
- f->upvalues[fs->nups].idx = cast_byte(v->u.info);
- f->upvalues[fs->nups].name = name;
- luaC_objbarrier(fs->ls->L, f, name);
- return fs->nups++;
-}
-
-
-static int searchvar (FuncState *fs, TString *n) {
- int i;
- for (i = cast_int(fs->nactvar) - 1; i >= 0; i--) {
- if (eqstr(n, getlocvar(fs, i)->varname))
- return i;
- }
- return -1; /* not found */
-}
-
-
-/*
- Mark block where variable at given level was defined
- (to emit close instructions later).
-*/
-static void markupval (FuncState *fs, int level) {
- BlockCnt *bl = fs->bl;
- while (bl->nactvar > level)
- bl = bl->previous;
- bl->upval = 1;
-}
-
-
-/*
- Find variable with given name 'n'. If it is an upvalue, add this
- upvalue into all intermediate functions.
-*/
-static void singlevaraux (FuncState *fs, TString *n, expdesc *var, int base) {
- if (fs == NULL) /* no more levels? */
- init_exp(var, VVOID, 0); /* default is global */
- else {
- int v = searchvar(fs, n); /* look up locals at current level */
- if (v >= 0) { /* found? */
- init_exp(var, VLOCAL, v); /* variable is local */
- if (!base)
- markupval(fs, v); /* local will be used as an upval */
- }
- else { /* not found as local at current level; try upvalues */
- int idx = searchupvalue(fs, n); /* try existing upvalues */
- if (idx < 0) { /* not found? */
- singlevaraux(fs->prev, n, var, 0); /* try upper levels */
- if (var->k == VVOID) /* not found? */
- return; /* it is a global */
- /* else was LOCAL or UPVAL */
- idx = newupvalue(fs, n, var); /* will be a new upvalue */
- }
- init_exp(var, VUPVAL, idx); /* new or old upvalue */
- }
- }
-}
-
-
-static void singlevar (LexState *ls, expdesc *var) {
- TString *varname = str_checkname(ls);
- FuncState *fs = ls->fs;
- singlevaraux(fs, varname, var, 1);
- if (var->k == VVOID) { /* global name? */
- expdesc key;
- singlevaraux(fs, ls->envn, var, 1); /* get environment variable */
- lua_assert(var->k != VVOID); /* this one must exist */
- codestring(ls, &key, varname); /* key is variable name */
- luaK_indexed(fs, var, &key); /* env[varname] */
- }
-}
-
-
-static void adjust_assign (LexState *ls, int nvars, int nexps, expdesc *e) {
- FuncState *fs = ls->fs;
- int extra = nvars - nexps;
- if (hasmultret(e->k)) {
- extra++; /* includes call itself */
- if (extra < 0) extra = 0;
- luaK_setreturns(fs, e, extra); /* last exp. provides the difference */
- if (extra > 1) luaK_reserveregs(fs, extra-1);
- }
- else {
- if (e->k != VVOID) luaK_exp2nextreg(fs, e); /* close last expression */
- if (extra > 0) {
- int reg = fs->freereg;
- luaK_reserveregs(fs, extra);
- luaK_nil(fs, reg, extra);
- }
- }
- if (nexps > nvars)
- ls->fs->freereg -= nexps - nvars; /* remove extra values */
-}
-
-
-static void enterlevel (LexState *ls) {
- lua_State *L = ls->L;
- ++L->nCcalls;
- checklimit(ls->fs, L->nCcalls, LUAI_MAXCCALLS, "C levels");
-}
-
-
-#define leavelevel(ls) ((ls)->L->nCcalls--)
-
-
-static void closegoto (LexState *ls, int g, Labeldesc *label) {
- int i;
- FuncState *fs = ls->fs;
- Labellist *gl = &ls->dyd->gt;
- Labeldesc *gt = &gl->arr[g];
- lua_assert(eqstr(gt->name, label->name));
- if (gt->nactvar < label->nactvar) {
- TString *vname = getlocvar(fs, gt->nactvar)->varname;
- const char *msg = luaO_pushfstring(ls->L,
- "<goto %s> at line %d jumps into the scope of local '%s'",
- getstr(gt->name), gt->line, getstr(vname));
- semerror(ls, msg);
- }
- luaK_patchlist(fs, gt->pc, label->pc);
- /* remove goto from pending list */
- for (i = g; i < gl->n - 1; i++)
- gl->arr[i] = gl->arr[i + 1];
- gl->n--;
-}
-
-
-/*
-** try to close a goto with existing labels; this solves backward jumps
-*/
-static int findlabel (LexState *ls, int g) {
- int i;
- BlockCnt *bl = ls->fs->bl;
- Dyndata *dyd = ls->dyd;
- Labeldesc *gt = &dyd->gt.arr[g];
- /* check labels in current block for a match */
- for (i = bl->firstlabel; i < dyd->label.n; i++) {
- Labeldesc *lb = &dyd->label.arr[i];
- if (eqstr(lb->name, gt->name)) { /* correct label? */
- if (gt->nactvar > lb->nactvar &&
- (bl->upval || dyd->label.n > bl->firstlabel))
- luaK_patchclose(ls->fs, gt->pc, lb->nactvar);
- closegoto(ls, g, lb); /* close it */
- return 1;
- }
- }
- return 0; /* label not found; cannot close goto */
-}
-
-
-static int newlabelentry (LexState *ls, Labellist *l, TString *name,
- int line, int pc) {
- int n = l->n;
- luaM_growvector(ls->L, l->arr, n, l->size,
- Labeldesc, SHRT_MAX, "labels/gotos");
- l->arr[n].name = name;
- l->arr[n].line = line;
- l->arr[n].nactvar = ls->fs->nactvar;
- l->arr[n].pc = pc;
- l->n = n + 1;
- return n;
-}
-
-
-/*
-** check whether new label 'lb' matches any pending gotos in current
-** block; solves forward jumps
-*/
-static void findgotos (LexState *ls, Labeldesc *lb) {
- Labellist *gl = &ls->dyd->gt;
- int i = ls->fs->bl->firstgoto;
- while (i < gl->n) {
- if (eqstr(gl->arr[i].name, lb->name))
- closegoto(ls, i, lb);
- else
- i++;
- }
-}
-
-
-/*
-** export pending gotos to outer level, to check them against
-** outer labels; if the block being exited has upvalues, and
-** the goto exits the scope of any variable (which can be the
-** upvalue), close those variables being exited.
-*/
-static void movegotosout (FuncState *fs, BlockCnt *bl) {
- int i = bl->firstgoto;
- Labellist *gl = &fs->ls->dyd->gt;
- /* correct pending gotos to current block and try to close it
- with visible labels */
- while (i < gl->n) {
- Labeldesc *gt = &gl->arr[i];
- if (gt->nactvar > bl->nactvar) {
- if (bl->upval)
- luaK_patchclose(fs, gt->pc, bl->nactvar);
- gt->nactvar = bl->nactvar;
- }
- if (!findlabel(fs->ls, i))
- i++; /* move to next one */
- }
-}
-
-
-static void enterblock (FuncState *fs, BlockCnt *bl, lu_byte isloop) {
- bl->isloop = isloop;
- bl->nactvar = fs->nactvar;
- bl->firstlabel = fs->ls->dyd->label.n;
- bl->firstgoto = fs->ls->dyd->gt.n;
- bl->upval = 0;
- bl->previous = fs->bl;
- fs->bl = bl;
- lua_assert(fs->freereg == fs->nactvar);
-}
-
-
-/*
-** create a label named 'break' to resolve break statements
-*/
-static void breaklabel (LexState *ls) {
- TString *n = luaS_new(ls->L, "break");
- int l = newlabelentry(ls, &ls->dyd->label, n, 0, ls->fs->pc);
- findgotos(ls, &ls->dyd->label.arr[l]);
-}
-
-/*
-** generates an error for an undefined 'goto'; choose appropriate
-** message when label name is a reserved word (which can only be 'break')
-*/
-static l_noret undefgoto (LexState *ls, Labeldesc *gt) {
- const char *msg = isreserved(gt->name)
- ? "<%s> at line %d not inside a loop"
- : "no visible label '%s' for <goto> at line %d";
- msg = luaO_pushfstring(ls->L, msg, getstr(gt->name), gt->line);
- semerror(ls, msg);
-}
-
-
-static void leaveblock (FuncState *fs) {
- BlockCnt *bl = fs->bl;
- LexState *ls = fs->ls;
- if (bl->previous && bl->upval) {
- /* create a 'jump to here' to close upvalues */
- int j = luaK_jump(fs);
- luaK_patchclose(fs, j, bl->nactvar);
- luaK_patchtohere(fs, j);
- }
- if (bl->isloop)
- breaklabel(ls); /* close pending breaks */
- fs->bl = bl->previous;
- removevars(fs, bl->nactvar);
- lua_assert(bl->nactvar == fs->nactvar);
- fs->freereg = fs->nactvar; /* free registers */
- ls->dyd->label.n = bl->firstlabel; /* remove local labels */
- if (bl->previous) /* inner block? */
- movegotosout(fs, bl); /* update pending gotos to outer block */
- else if (bl->firstgoto < ls->dyd->gt.n) /* pending gotos in outer block? */
- undefgoto(ls, &ls->dyd->gt.arr[bl->firstgoto]); /* error */
-}
-
-
-/*
-** adds a new prototype into list of prototypes
-*/
-static Proto *addprototype (LexState *ls) {
- Proto *clp;
- lua_State *L = ls->L;
- FuncState *fs = ls->fs;
- Proto *f = fs->f; /* prototype of current function */
- if (fs->np >= f->sizep) {
- int oldsize = f->sizep;
- luaM_growvector(L, f->p, fs->np, f->sizep, Proto *, MAXARG_Bx, "functions");
- while (oldsize < f->sizep)
- f->p[oldsize++] = NULL;
- }
- f->p[fs->np++] = clp = luaF_newproto(L);
- luaC_objbarrier(L, f, clp);
- return clp;
-}
-
-
-/*
-** codes instruction to create new closure in parent function.
-** The OP_CLOSURE instruction must use the last available register,
-** so that, if it invokes the GC, the GC knows which registers
-** are in use at that time.
-*/
-static void codeclosure (LexState *ls, expdesc *v) {
- FuncState *fs = ls->fs->prev;
- init_exp(v, VRELOCABLE, luaK_codeABx(fs, OP_CLOSURE, 0, fs->np - 1));
- luaK_exp2nextreg(fs, v); /* fix it at the last register */
-}
-
-
-static void open_func (LexState *ls, FuncState *fs, BlockCnt *bl) {
- Proto *f;
- fs->prev = ls->fs; /* linked list of funcstates */
- fs->ls = ls;
- ls->fs = fs;
- fs->pc = 0;
- fs->lasttarget = 0;
- fs->jpc = NO_JUMP;
- fs->freereg = 0;
- fs->nk = 0;
- fs->np = 0;
- fs->nups = 0;
- fs->nlocvars = 0;
- fs->nactvar = 0;
- fs->firstlocal = ls->dyd->actvar.n;
- fs->bl = NULL;
- f = fs->f;
- f->source = ls->source;
- luaC_objbarrier(ls->L, f, f->source);
- f->maxstacksize = 2; /* registers 0/1 are always valid */
- enterblock(fs, bl, 0);
-}
-
-
-static void close_func (LexState *ls) {
- lua_State *L = ls->L;
- FuncState *fs = ls->fs;
- Proto *f = fs->f;
- luaK_ret(fs, 0, 0); /* final return */
- leaveblock(fs);
- luaM_reallocvector(L, f->code, f->sizecode, fs->pc, Instruction);
- f->sizecode = fs->pc;
- luaM_reallocvector(L, f->lineinfo, f->sizelineinfo, fs->pc, int);
- f->sizelineinfo = fs->pc;
- luaM_reallocvector(L, f->k, f->sizek, fs->nk, TValue);
- f->sizek = fs->nk;
- luaM_reallocvector(L, f->p, f->sizep, fs->np, Proto *);
- f->sizep = fs->np;
- luaM_reallocvector(L, f->locvars, f->sizelocvars, fs->nlocvars, LocVar);
- f->sizelocvars = fs->nlocvars;
- luaM_reallocvector(L, f->upvalues, f->sizeupvalues, fs->nups, Upvaldesc);
- f->sizeupvalues = fs->nups;
- lua_assert(fs->bl == NULL);
- ls->fs = fs->prev;
- luaC_checkGC(L);
-}
-
-
-
-/*============================================================*/
-/* GRAMMAR RULES */
-/*============================================================*/
-
-
-/*
-** check whether current token is in the follow set of a block.
-** 'until' closes syntactical blocks, but do not close scope,
-** so it is handled in separate.
-*/
-static int block_follow (LexState *ls, int withuntil) {
- switch (ls->t.token) {
- case TK_ELSE: case TK_ELSEIF:
- case TK_END: case TK_EOS:
- return 1;
- case TK_UNTIL: return withuntil;
- default: return 0;
- }
-}
-
-
-static void statlist (LexState *ls) {
- /* statlist -> { stat [';'] } */
- while (!block_follow(ls, 1)) {
- if (ls->t.token == TK_RETURN) {
- statement(ls);
- return; /* 'return' must be last statement */
- }
- statement(ls);
- }
-}
-
-
-static void fieldsel (LexState *ls, expdesc *v) {
- /* fieldsel -> ['.' | ':'] NAME */
- FuncState *fs = ls->fs;
- expdesc key;
- luaK_exp2anyregup(fs, v);
- luaX_next(ls); /* skip the dot or colon */
- checkname(ls, &key);
- luaK_indexed(fs, v, &key);
-}
-
-
-static void yindex (LexState *ls, expdesc *v) {
- /* index -> '[' expr ']' */
- luaX_next(ls); /* skip the '[' */
- expr(ls, v);
- luaK_exp2val(ls->fs, v);
- checknext(ls, ']');
-}
-
-
-/*
-** {======================================================================
-** Rules for Constructors
-** =======================================================================
-*/
-
-
-struct ConsControl {
- expdesc v; /* last list item read */
- expdesc *t; /* table descriptor */
- int nh; /* total number of 'record' elements */
- int na; /* total number of array elements */
- int tostore; /* number of array elements pending to be stored */
-};
-
-
-static void recfield (LexState *ls, struct ConsControl *cc) {
- /* recfield -> (NAME | '['exp1']') = exp1 */
- FuncState *fs = ls->fs;
- int reg = ls->fs->freereg;
- expdesc key, val;
- int rkkey;
- if (ls->t.token == TK_NAME) {
- checklimit(fs, cc->nh, MAX_INT, "items in a constructor");
- checkname(ls, &key);
- }
- else /* ls->t.token == '[' */
- yindex(ls, &key);
- cc->nh++;
- checknext(ls, '=');
- rkkey = luaK_exp2RK(fs, &key);
- expr(ls, &val);
- luaK_codeABC(fs, OP_SETTABLE, cc->t->u.info, rkkey, luaK_exp2RK(fs, &val));
- fs->freereg = reg; /* free registers */
-}
-
-
-static void closelistfield (FuncState *fs, struct ConsControl *cc) {
- if (cc->v.k == VVOID) return; /* there is no list item */
- luaK_exp2nextreg(fs, &cc->v);
- cc->v.k = VVOID;
- if (cc->tostore == LFIELDS_PER_FLUSH) {
- luaK_setlist(fs, cc->t->u.info, cc->na, cc->tostore); /* flush */
- cc->tostore = 0; /* no more items pending */
- }
-}
-
-
-static void lastlistfield (FuncState *fs, struct ConsControl *cc) {
- if (cc->tostore == 0) return;
- if (hasmultret(cc->v.k)) {
- luaK_setmultret(fs, &cc->v);
- luaK_setlist(fs, cc->t->u.info, cc->na, LUA_MULTRET);
- cc->na--; /* do not count last expression (unknown number of elements) */
- }
- else {
- if (cc->v.k != VVOID)
- luaK_exp2nextreg(fs, &cc->v);
- luaK_setlist(fs, cc->t->u.info, cc->na, cc->tostore);
- }
-}
-
-
-static void listfield (LexState *ls, struct ConsControl *cc) {
- /* listfield -> exp */
- expr(ls, &cc->v);
- checklimit(ls->fs, cc->na, MAX_INT, "items in a constructor");
- cc->na++;
- cc->tostore++;
-}
-
-
-static void field (LexState *ls, struct ConsControl *cc) {
- /* field -> listfield | recfield */
- switch(ls->t.token) {
- case TK_NAME: { /* may be 'listfield' or 'recfield' */
- if (luaX_lookahead(ls) != '=') /* expression? */
- listfield(ls, cc);
- else
- recfield(ls, cc);
- break;
- }
- case '[': {
- recfield(ls, cc);
- break;
- }
- default: {
- listfield(ls, cc);
- break;
- }
- }
-}
-
-
-static void constructor (LexState *ls, expdesc *t) {
- /* constructor -> '{' [ field { sep field } [sep] ] '}'
- sep -> ',' | ';' */
- FuncState *fs = ls->fs;
- int line = ls->linenumber;
- int pc = luaK_codeABC(fs, OP_NEWTABLE, 0, 0, 0);
- struct ConsControl cc;
- cc.na = cc.nh = cc.tostore = 0;
- cc.t = t;
- init_exp(t, VRELOCABLE, pc);
- init_exp(&cc.v, VVOID, 0); /* no value (yet) */
- luaK_exp2nextreg(ls->fs, t); /* fix it at stack top */
- checknext(ls, '{');
- do {
- lua_assert(cc.v.k == VVOID || cc.tostore > 0);
- if (ls->t.token == '}') break;
- closelistfield(fs, &cc);
- field(ls, &cc);
- } while (testnext(ls, ',') || testnext(ls, ';'));
- check_match(ls, '}', '{', line);
- lastlistfield(fs, &cc);
- SETARG_B(fs->f->code[pc], luaO_int2fb(cc.na)); /* set initial array size */
- SETARG_C(fs->f->code[pc], luaO_int2fb(cc.nh)); /* set initial table size */
-}
-
-/* }====================================================================== */
-
-
-
-static void parlist (LexState *ls) {
- /* parlist -> [ param { ',' param } ] */
- FuncState *fs = ls->fs;
- Proto *f = fs->f;
- int nparams = 0;
- f->is_vararg = 0;
- if (ls->t.token != ')') { /* is 'parlist' not empty? */
- do {
- switch (ls->t.token) {
- case TK_NAME: { /* param -> NAME */
- new_localvar(ls, str_checkname(ls));
- nparams++;
- break;
- }
- case TK_DOTS: { /* param -> '...' */
- luaX_next(ls);
- f->is_vararg = 1; /* declared vararg */
- break;
- }
- default: luaX_syntaxerror(ls, "<name> or '...' expected");
- }
- } while (!f->is_vararg && testnext(ls, ','));
- }
- adjustlocalvars(ls, nparams);
- f->numparams = cast_byte(fs->nactvar);
- luaK_reserveregs(fs, fs->nactvar); /* reserve register for parameters */
-}
-
-
-static void body (LexState *ls, expdesc *e, int ismethod, int line) {
- /* body -> '(' parlist ')' block END */
- FuncState new_fs;
- BlockCnt bl;
- new_fs.f = addprototype(ls);
- new_fs.f->linedefined = line;
- open_func(ls, &new_fs, &bl);
- checknext(ls, '(');
- if (ismethod) {
- new_localvarliteral(ls, "self"); /* create 'self' parameter */
- adjustlocalvars(ls, 1);
- }
- parlist(ls);
- checknext(ls, ')');
- statlist(ls);
- new_fs.f->lastlinedefined = ls->linenumber;
- check_match(ls, TK_END, TK_FUNCTION, line);
- codeclosure(ls, e);
- close_func(ls);
-}
-
-
-static int explist (LexState *ls, expdesc *v) {
- /* explist -> expr { ',' expr } */
- int n = 1; /* at least one expression */
- expr(ls, v);
- while (testnext(ls, ',')) {
- luaK_exp2nextreg(ls->fs, v);
- expr(ls, v);
- n++;
- }
- return n;
-}
-
-
-static void funcargs (LexState *ls, expdesc *f, int line) {
- FuncState *fs = ls->fs;
- expdesc args;
- int base, nparams;
- switch (ls->t.token) {
- case '(': { /* funcargs -> '(' [ explist ] ')' */
- luaX_next(ls);
- if (ls->t.token == ')') /* arg list is empty? */
- args.k = VVOID;
- else {
- explist(ls, &args);
- luaK_setmultret(fs, &args);
- }
- check_match(ls, ')', '(', line);
- break;
- }
- case '{': { /* funcargs -> constructor */
- constructor(ls, &args);
- break;
- }
- case TK_STRING: { /* funcargs -> STRING */
- codestring(ls, &args, ls->t.seminfo.ts);
- luaX_next(ls); /* must use 'seminfo' before 'next' */
- break;
- }
- default: {
- luaX_syntaxerror(ls, "function arguments expected");
- }
- }
- lua_assert(f->k == VNONRELOC);
- base = f->u.info; /* base register for call */
- if (hasmultret(args.k))
- nparams = LUA_MULTRET; /* open call */
- else {
- if (args.k != VVOID)
- luaK_exp2nextreg(fs, &args); /* close last argument */
- nparams = fs->freereg - (base+1);
- }
- init_exp(f, VCALL, luaK_codeABC(fs, OP_CALL, base, nparams+1, 2));
- luaK_fixline(fs, line);
- fs->freereg = base+1; /* call remove function and arguments and leaves
- (unless changed) one result */
-}
-
-
-
-
-/*
-** {======================================================================
-** Expression parsing
-** =======================================================================
-*/
-
-
-static void primaryexp (LexState *ls, expdesc *v) {
- /* primaryexp -> NAME | '(' expr ')' */
- switch (ls->t.token) {
- case '(': {
- int line = ls->linenumber;
- luaX_next(ls);
- expr(ls, v);
- check_match(ls, ')', '(', line);
- luaK_dischargevars(ls->fs, v);
- return;
- }
- case TK_NAME: {
- singlevar(ls, v);
- return;
- }
- default: {
- luaX_syntaxerror(ls, "unexpected symbol");
- }
- }
-}
-
-
-static void suffixedexp (LexState *ls, expdesc *v) {
- /* suffixedexp ->
- primaryexp { '.' NAME | '[' exp ']' | ':' NAME funcargs | funcargs } */
- FuncState *fs = ls->fs;
- int line = ls->linenumber;
- primaryexp(ls, v);
- for (;;) {
- switch (ls->t.token) {
- case '.': { /* fieldsel */
- fieldsel(ls, v);
- break;
- }
- case '[': { /* '[' exp1 ']' */
- expdesc key;
- luaK_exp2anyregup(fs, v);
- yindex(ls, &key);
- luaK_indexed(fs, v, &key);
- break;
- }
- case ':': { /* ':' NAME funcargs */
- expdesc key;
- luaX_next(ls);
- checkname(ls, &key);
- luaK_self(fs, v, &key);
- funcargs(ls, v, line);
- break;
- }
- case '(': case TK_STRING: case '{': { /* funcargs */
- luaK_exp2nextreg(fs, v);
- funcargs(ls, v, line);
- break;
- }
- default: return;
- }
- }
-}
-
-
-static void simpleexp (LexState *ls, expdesc *v) {
- /* simpleexp -> FLT | INT | STRING | NIL | TRUE | FALSE | ... |
- constructor | FUNCTION body | suffixedexp */
- switch (ls->t.token) {
- case TK_FLT: {
- init_exp(v, VKFLT, 0);
- v->u.nval = ls->t.seminfo.r;
- break;
- }
- case TK_INT: {
- init_exp(v, VKINT, 0);
- v->u.ival = ls->t.seminfo.i;
- break;
- }
- case TK_STRING: {
- codestring(ls, v, ls->t.seminfo.ts);
- break;
- }
- case TK_NIL: {
- init_exp(v, VNIL, 0);
- break;
- }
- case TK_TRUE: {
- init_exp(v, VTRUE, 0);
- break;
- }
- case TK_FALSE: {
- init_exp(v, VFALSE, 0);
- break;
- }
- case TK_DOTS: { /* vararg */
- FuncState *fs = ls->fs;
- check_condition(ls, fs->f->is_vararg,
- "cannot use '...' outside a vararg function");
- init_exp(v, VVARARG, luaK_codeABC(fs, OP_VARARG, 0, 1, 0));
- break;
- }
- case '{': { /* constructor */
- constructor(ls, v);
- return;
- }
- case TK_FUNCTION: {
- luaX_next(ls);
- body(ls, v, 0, ls->linenumber);
- return;
- }
- default: {
- suffixedexp(ls, v);
- return;
- }
- }
- luaX_next(ls);
-}
-
-
-static UnOpr getunopr (int op) {
- switch (op) {
- case TK_NOT: return OPR_NOT;
- case '-': return OPR_MINUS;
- case '~': return OPR_BNOT;
- case '#': return OPR_LEN;
- default: return OPR_NOUNOPR;
- }
-}
-
-
-static BinOpr getbinopr (int op) {
- switch (op) {
- case '+': return OPR_ADD;
- case '-': return OPR_SUB;
- case '*': return OPR_MUL;
- case '%': return OPR_MOD;
- case '^': return OPR_POW;
- case '/': return OPR_DIV;
- case TK_IDIV: return OPR_IDIV;
- case '&': return OPR_BAND;
- case '|': return OPR_BOR;
- case '~': return OPR_BXOR;
- case TK_SHL: return OPR_SHL;
- case TK_SHR: return OPR_SHR;
- case TK_CONCAT: return OPR_CONCAT;
- case TK_NE: return OPR_NE;
- case TK_EQ: return OPR_EQ;
- case '<': return OPR_LT;
- case TK_LE: return OPR_LE;
- case '>': return OPR_GT;
- case TK_GE: return OPR_GE;
- case TK_AND: return OPR_AND;
- case TK_OR: return OPR_OR;
- default: return OPR_NOBINOPR;
- }
-}
-
-
-static const struct {
- lu_byte left; /* left priority for each binary operator */
- lu_byte right; /* right priority */
-} priority[] = { /* ORDER OPR */
- {10, 10}, {10, 10}, /* '+' '-' */
- {11, 11}, {11, 11}, /* '*' '%' */
- {14, 13}, /* '^' (right associative) */
- {11, 11}, {11, 11}, /* '/' '//' */
- {6, 6}, {4, 4}, {5, 5}, /* '&' '|' '~' */
- {7, 7}, {7, 7}, /* '<<' '>>' */
- {9, 8}, /* '..' (right associative) */
- {3, 3}, {3, 3}, {3, 3}, /* ==, <, <= */
- {3, 3}, {3, 3}, {3, 3}, /* ~=, >, >= */
- {2, 2}, {1, 1} /* and, or */
-};
-
-#define UNARY_PRIORITY 12 /* priority for unary operators */
-
-
-/*
-** subexpr -> (simpleexp | unop subexpr) { binop subexpr }
-** where 'binop' is any binary operator with a priority higher than 'limit'
-*/
-static BinOpr subexpr (LexState *ls, expdesc *v, int limit) {
- BinOpr op;
- UnOpr uop;
- enterlevel(ls);
- uop = getunopr(ls->t.token);
- if (uop != OPR_NOUNOPR) {
- int line = ls->linenumber;
- luaX_next(ls);
- subexpr(ls, v, UNARY_PRIORITY);
- luaK_prefix(ls->fs, uop, v, line);
- }
- else simpleexp(ls, v);
- /* expand while operators have priorities higher than 'limit' */
- op = getbinopr(ls->t.token);
- while (op != OPR_NOBINOPR && priority[op].left > limit) {
- expdesc v2;
- BinOpr nextop;
- int line = ls->linenumber;
- luaX_next(ls);
- luaK_infix(ls->fs, op, v);
- /* read sub-expression with higher priority */
- nextop = subexpr(ls, &v2, priority[op].right);
- luaK_posfix(ls->fs, op, v, &v2, line);
- op = nextop;
- }
- leavelevel(ls);
- return op; /* return first untreated operator */
-}
-
-
-static void expr (LexState *ls, expdesc *v) {
- subexpr(ls, v, 0);
-}
-
-/* }==================================================================== */
-
-
-
-/*
-** {======================================================================
-** Rules for Statements
-** =======================================================================
-*/
-
-
-static void block (LexState *ls) {
- /* block -> statlist */
- FuncState *fs = ls->fs;
- BlockCnt bl;
- enterblock(fs, &bl, 0);
- statlist(ls);
- leaveblock(fs);
-}
-
-
-/*
-** structure to chain all variables in the left-hand side of an
-** assignment
-*/
-struct LHS_assign {
- struct LHS_assign *prev;
- expdesc v; /* variable (global, local, upvalue, or indexed) */
-};
-
-
-/*
-** check whether, in an assignment to an upvalue/local variable, the
-** upvalue/local variable is begin used in a previous assignment to a
-** table. If so, save original upvalue/local value in a safe place and
-** use this safe copy in the previous assignment.
-*/
-static void check_conflict (LexState *ls, struct LHS_assign *lh, expdesc *v) {
- FuncState *fs = ls->fs;
- int extra = fs->freereg; /* eventual position to save local variable */
- int conflict = 0;
- for (; lh; lh = lh->prev) { /* check all previous assignments */
- if (lh->v.k == VINDEXED) { /* assigning to a table? */
- /* table is the upvalue/local being assigned now? */
- if (lh->v.u.ind.vt == v->k && lh->v.u.ind.t == v->u.info) {
- conflict = 1;
- lh->v.u.ind.vt = VLOCAL;
- lh->v.u.ind.t = extra; /* previous assignment will use safe copy */
- }
- /* index is the local being assigned? (index cannot be upvalue) */
- if (v->k == VLOCAL && lh->v.u.ind.idx == v->u.info) {
- conflict = 1;
- lh->v.u.ind.idx = extra; /* previous assignment will use safe copy */
- }
- }
- }
- if (conflict) {
- /* copy upvalue/local value to a temporary (in position 'extra') */
- OpCode op = (v->k == VLOCAL) ? OP_MOVE : OP_GETUPVAL;
- luaK_codeABC(fs, op, extra, v->u.info, 0);
- luaK_reserveregs(fs, 1);
- }
-}
-
-
-static void assignment (LexState *ls, struct LHS_assign *lh, int nvars) {
- expdesc e;
- check_condition(ls, vkisvar(lh->v.k), "syntax error");
- if (testnext(ls, ',')) { /* assignment -> ',' suffixedexp assignment */
- struct LHS_assign nv;
- nv.prev = lh;
- suffixedexp(ls, &nv.v);
- if (nv.v.k != VINDEXED)
- check_conflict(ls, lh, &nv.v);
- checklimit(ls->fs, nvars + ls->L->nCcalls, LUAI_MAXCCALLS,
- "C levels");
- assignment(ls, &nv, nvars+1);
- }
- else { /* assignment -> '=' explist */
- int nexps;
- checknext(ls, '=');
- nexps = explist(ls, &e);
- if (nexps != nvars)
- adjust_assign(ls, nvars, nexps, &e);
- else {
- luaK_setoneret(ls->fs, &e); /* close last expression */
- luaK_storevar(ls->fs, &lh->v, &e);
- return; /* avoid default */
- }
- }
- init_exp(&e, VNONRELOC, ls->fs->freereg-1); /* default assignment */
- luaK_storevar(ls->fs, &lh->v, &e);
-}
-
-
-static int cond (LexState *ls) {
- /* cond -> exp */
- expdesc v;
- expr(ls, &v); /* read condition */
- if (v.k == VNIL) v.k = VFALSE; /* 'falses' are all equal here */
- luaK_goiftrue(ls->fs, &v);
- return v.f;
-}
-
-
-static void gotostat (LexState *ls, int pc) {
- int line = ls->linenumber;
- TString *label;
- int g;
- if (testnext(ls, TK_GOTO))
- label = str_checkname(ls);
- else {
- luaX_next(ls); /* skip break */
- label = luaS_new(ls->L, "break");
- }
- g = newlabelentry(ls, &ls->dyd->gt, label, line, pc);
- findlabel(ls, g); /* close it if label already defined */
-}
-
-
-/* check for repeated labels on the same block */
-static void checkrepeated (FuncState *fs, Labellist *ll, TString *label) {
- int i;
- for (i = fs->bl->firstlabel; i < ll->n; i++) {
- if (eqstr(label, ll->arr[i].name)) {
- const char *msg = luaO_pushfstring(fs->ls->L,
- "label '%s' already defined on line %d",
- getstr(label), ll->arr[i].line);
- semerror(fs->ls, msg);
- }
- }
-}
-
-
-/* skip no-op statements */
-static void skipnoopstat (LexState *ls) {
- while (ls->t.token == ';' || ls->t.token == TK_DBCOLON)
- statement(ls);
-}
-
-
-static void labelstat (LexState *ls, TString *label, int line) {
- /* label -> '::' NAME '::' */
- FuncState *fs = ls->fs;
- Labellist *ll = &ls->dyd->label;
- int l; /* index of new label being created */
- checkrepeated(fs, ll, label); /* check for repeated labels */
- checknext(ls, TK_DBCOLON); /* skip double colon */
- /* create new entry for this label */
- l = newlabelentry(ls, ll, label, line, luaK_getlabel(fs));
- skipnoopstat(ls); /* skip other no-op statements */
- if (block_follow(ls, 0)) { /* label is last no-op statement in the block? */
- /* assume that locals are already out of scope */
- ll->arr[l].nactvar = fs->bl->nactvar;
- }
- findgotos(ls, &ll->arr[l]);
-}
-
-
-static void whilestat (LexState *ls, int line) {
- /* whilestat -> WHILE cond DO block END */
- FuncState *fs = ls->fs;
- int whileinit;
- int condexit;
- BlockCnt bl;
- luaX_next(ls); /* skip WHILE */
- whileinit = luaK_getlabel(fs);
- condexit = cond(ls);
- enterblock(fs, &bl, 1);
- checknext(ls, TK_DO);
- block(ls);
- luaK_jumpto(fs, whileinit);
- check_match(ls, TK_END, TK_WHILE, line);
- leaveblock(fs);
- luaK_patchtohere(fs, condexit); /* false conditions finish the loop */
-}
-
-
-static void repeatstat (LexState *ls, int line) {
- /* repeatstat -> REPEAT block UNTIL cond */
- int condexit;
- FuncState *fs = ls->fs;
- int repeat_init = luaK_getlabel(fs);
- BlockCnt bl1, bl2;
- enterblock(fs, &bl1, 1); /* loop block */
- enterblock(fs, &bl2, 0); /* scope block */
- luaX_next(ls); /* skip REPEAT */
- statlist(ls);
- check_match(ls, TK_UNTIL, TK_REPEAT, line);
- condexit = cond(ls); /* read condition (inside scope block) */
- if (bl2.upval) /* upvalues? */
- luaK_patchclose(fs, condexit, bl2.nactvar);
- leaveblock(fs); /* finish scope */
- luaK_patchlist(fs, condexit, repeat_init); /* close the loop */
- leaveblock(fs); /* finish loop */
-}
-
-
-static int exp1 (LexState *ls) {
- expdesc e;
- int reg;
- expr(ls, &e);
- luaK_exp2nextreg(ls->fs, &e);
- lua_assert(e.k == VNONRELOC);
- reg = e.u.info;
- return reg;
-}
-
-
-static void forbody (LexState *ls, int base, int line, int nvars, int isnum) {
- /* forbody -> DO block */
- BlockCnt bl;
- FuncState *fs = ls->fs;
- int prep, endfor;
- adjustlocalvars(ls, 3); /* control variables */
- checknext(ls, TK_DO);
- prep = isnum ? luaK_codeAsBx(fs, OP_FORPREP, base, NO_JUMP) : luaK_jump(fs);
- enterblock(fs, &bl, 0); /* scope for declared variables */
- adjustlocalvars(ls, nvars);
- luaK_reserveregs(fs, nvars);
- block(ls);
- leaveblock(fs); /* end of scope for declared variables */
- luaK_patchtohere(fs, prep);
- if (isnum) /* numeric for? */
- endfor = luaK_codeAsBx(fs, OP_FORLOOP, base, NO_JUMP);
- else { /* generic for */
- luaK_codeABC(fs, OP_TFORCALL, base, 0, nvars);
- luaK_fixline(fs, line);
- endfor = luaK_codeAsBx(fs, OP_TFORLOOP, base + 2, NO_JUMP);
- }
- luaK_patchlist(fs, endfor, prep + 1);
- luaK_fixline(fs, line);
-}
-
-
-static void fornum (LexState *ls, TString *varname, int line) {
- /* fornum -> NAME = exp1,exp1[,exp1] forbody */
- FuncState *fs = ls->fs;
- int base = fs->freereg;
- new_localvarliteral(ls, "(for index)");
- new_localvarliteral(ls, "(for limit)");
- new_localvarliteral(ls, "(for step)");
- new_localvar(ls, varname);
- checknext(ls, '=');
- exp1(ls); /* initial value */
- checknext(ls, ',');
- exp1(ls); /* limit */
- if (testnext(ls, ','))
- exp1(ls); /* optional step */
- else { /* default step = 1 */
- luaK_codek(fs, fs->freereg, luaK_intK(fs, 1));
- luaK_reserveregs(fs, 1);
- }
- forbody(ls, base, line, 1, 1);
-}
-
-
-static void forlist (LexState *ls, TString *indexname) {
- /* forlist -> NAME {,NAME} IN explist forbody */
- FuncState *fs = ls->fs;
- expdesc e;
- int nvars = 4; /* gen, state, control, plus at least one declared var */
- int line;
- int base = fs->freereg;
- /* create control variables */
- new_localvarliteral(ls, "(for generator)");
- new_localvarliteral(ls, "(for state)");
- new_localvarliteral(ls, "(for control)");
- /* create declared variables */
- new_localvar(ls, indexname);
- while (testnext(ls, ',')) {
- new_localvar(ls, str_checkname(ls));
- nvars++;
- }
- checknext(ls, TK_IN);
- line = ls->linenumber;
- adjust_assign(ls, 3, explist(ls, &e), &e);
- luaK_checkstack(fs, 3); /* extra space to call generator */
- forbody(ls, base, line, nvars - 3, 0);
-}
-
-
-static void forstat (LexState *ls, int line) {
- /* forstat -> FOR (fornum | forlist) END */
- FuncState *fs = ls->fs;
- TString *varname;
- BlockCnt bl;
- enterblock(fs, &bl, 1); /* scope for loop and control variables */
- luaX_next(ls); /* skip 'for' */
- varname = str_checkname(ls); /* first variable name */
- switch (ls->t.token) {
- case '=': fornum(ls, varname, line); break;
- case ',': case TK_IN: forlist(ls, varname); break;
- default: luaX_syntaxerror(ls, "'=' or 'in' expected");
- }
- check_match(ls, TK_END, TK_FOR, line);
- leaveblock(fs); /* loop scope ('break' jumps to this point) */
-}
-
-
-static void test_then_block (LexState *ls, int *escapelist) {
- /* test_then_block -> [IF | ELSEIF] cond THEN block */
- BlockCnt bl;
- FuncState *fs = ls->fs;
- expdesc v;
- int jf; /* instruction to skip 'then' code (if condition is false) */
- luaX_next(ls); /* skip IF or ELSEIF */
- expr(ls, &v); /* read condition */
- checknext(ls, TK_THEN);
- if (ls->t.token == TK_GOTO || ls->t.token == TK_BREAK) {
- luaK_goiffalse(ls->fs, &v); /* will jump to label if condition is true */
- enterblock(fs, &bl, 0); /* must enter block before 'goto' */
- gotostat(ls, v.t); /* handle goto/break */
- while (testnext(ls, ';')) {} /* skip colons */
- if (block_follow(ls, 0)) { /* 'goto' is the entire block? */
- leaveblock(fs);
- return; /* and that is it */
- }
- else /* must skip over 'then' part if condition is false */
- jf = luaK_jump(fs);
- }
- else { /* regular case (not goto/break) */
- luaK_goiftrue(ls->fs, &v); /* skip over block if condition is false */
- enterblock(fs, &bl, 0);
- jf = v.f;
- }
- statlist(ls); /* 'then' part */
- leaveblock(fs);
- if (ls->t.token == TK_ELSE ||
- ls->t.token == TK_ELSEIF) /* followed by 'else'/'elseif'? */
- luaK_concat(fs, escapelist, luaK_jump(fs)); /* must jump over it */
- luaK_patchtohere(fs, jf);
-}
-
-
-static void ifstat (LexState *ls, int line) {
- /* ifstat -> IF cond THEN block {ELSEIF cond THEN block} [ELSE block] END */
- FuncState *fs = ls->fs;
- int escapelist = NO_JUMP; /* exit list for finished parts */
- test_then_block(ls, &escapelist); /* IF cond THEN block */
- while (ls->t.token == TK_ELSEIF)
- test_then_block(ls, &escapelist); /* ELSEIF cond THEN block */
- if (testnext(ls, TK_ELSE))
- block(ls); /* 'else' part */
- check_match(ls, TK_END, TK_IF, line);
- luaK_patchtohere(fs, escapelist); /* patch escape list to 'if' end */
-}
-
-
-static void localfunc (LexState *ls) {
- expdesc b;
- FuncState *fs = ls->fs;
- new_localvar(ls, str_checkname(ls)); /* new local variable */
- adjustlocalvars(ls, 1); /* enter its scope */
- body(ls, &b, 0, ls->linenumber); /* function created in next register */
- /* debug information will only see the variable after this point! */
- getlocvar(fs, b.u.info)->startpc = fs->pc;
-}
-
-
-static void localstat (LexState *ls) {
- /* stat -> LOCAL NAME {',' NAME} ['=' explist] */
- int nvars = 0;
- int nexps;
- expdesc e;
- do {
- new_localvar(ls, str_checkname(ls));
- nvars++;
- } while (testnext(ls, ','));
- if (testnext(ls, '='))
- nexps = explist(ls, &e);
- else {
- e.k = VVOID;
- nexps = 0;
- }
- adjust_assign(ls, nvars, nexps, &e);
- adjustlocalvars(ls, nvars);
-}
-
-
-static int funcname (LexState *ls, expdesc *v) {
- /* funcname -> NAME {fieldsel} [':' NAME] */
- int ismethod = 0;
- singlevar(ls, v);
- while (ls->t.token == '.')
- fieldsel(ls, v);
- if (ls->t.token == ':') {
- ismethod = 1;
- fieldsel(ls, v);
- }
- return ismethod;
-}
-
-
-static void funcstat (LexState *ls, int line) {
- /* funcstat -> FUNCTION funcname body */
- int ismethod;
- expdesc v, b;
- luaX_next(ls); /* skip FUNCTION */
- ismethod = funcname(ls, &v);
- body(ls, &b, ismethod, line);
- luaK_storevar(ls->fs, &v, &b);
- luaK_fixline(ls->fs, line); /* definition "happens" in the first line */
-}
-
-
-static void exprstat (LexState *ls) {
- /* stat -> func | assignment */
- FuncState *fs = ls->fs;
- struct LHS_assign v;
- suffixedexp(ls, &v.v);
- if (ls->t.token == '=' || ls->t.token == ',') { /* stat -> assignment ? */
- v.prev = NULL;
- assignment(ls, &v, 1);
- }
- else { /* stat -> func */
- check_condition(ls, v.v.k == VCALL, "syntax error");
- SETARG_C(getinstruction(fs, &v.v), 1); /* call statement uses no results */
- }
-}
-
-
-static void retstat (LexState *ls) {
- /* stat -> RETURN [explist] [';'] */
- FuncState *fs = ls->fs;
- expdesc e;
- int first, nret; /* registers with returned values */
- if (block_follow(ls, 1) || ls->t.token == ';')
- first = nret = 0; /* return no values */
- else {
- nret = explist(ls, &e); /* optional return values */
- if (hasmultret(e.k)) {
- luaK_setmultret(fs, &e);
- if (e.k == VCALL && nret == 1) { /* tail call? */
- SET_OPCODE(getinstruction(fs,&e), OP_TAILCALL);
- lua_assert(GETARG_A(getinstruction(fs,&e)) == fs->nactvar);
- }
- first = fs->nactvar;
- nret = LUA_MULTRET; /* return all values */
- }
- else {
- if (nret == 1) /* only one single value? */
- first = luaK_exp2anyreg(fs, &e);
- else {
- luaK_exp2nextreg(fs, &e); /* values must go to the stack */
- first = fs->nactvar; /* return all active values */
- lua_assert(nret == fs->freereg - first);
- }
- }
- }
- luaK_ret(fs, first, nret);
- testnext(ls, ';'); /* skip optional semicolon */
-}
-
-
-static void statement (LexState *ls) {
- int line = ls->linenumber; /* may be needed for error messages */
- enterlevel(ls);
- switch (ls->t.token) {
- case ';': { /* stat -> ';' (empty statement) */
- luaX_next(ls); /* skip ';' */
- break;
- }
- case TK_IF: { /* stat -> ifstat */
- ifstat(ls, line);
- break;
- }
- case TK_WHILE: { /* stat -> whilestat */
- whilestat(ls, line);
- break;
- }
- case TK_DO: { /* stat -> DO block END */
- luaX_next(ls); /* skip DO */
- block(ls);
- check_match(ls, TK_END, TK_DO, line);
- break;
- }
- case TK_FOR: { /* stat -> forstat */
- forstat(ls, line);
- break;
- }
- case TK_REPEAT: { /* stat -> repeatstat */
- repeatstat(ls, line);
- break;
- }
- case TK_FUNCTION: { /* stat -> funcstat */
- funcstat(ls, line);
- break;
- }
- case TK_LOCAL: { /* stat -> localstat */
- luaX_next(ls); /* skip LOCAL */
- if (testnext(ls, TK_FUNCTION)) /* local function? */
- localfunc(ls);
- else
- localstat(ls);
- break;
- }
- case TK_DBCOLON: { /* stat -> label */
- luaX_next(ls); /* skip double colon */
- labelstat(ls, str_checkname(ls), line);
- break;
- }
- case TK_RETURN: { /* stat -> retstat */
- luaX_next(ls); /* skip RETURN */
- retstat(ls);
- break;
- }
- case TK_BREAK: /* stat -> breakstat */
- case TK_GOTO: { /* stat -> 'goto' NAME */
- gotostat(ls, luaK_jump(ls->fs));
- break;
- }
- default: { /* stat -> func | assignment */
- exprstat(ls);
- break;
- }
- }
- lua_assert(ls->fs->f->maxstacksize >= ls->fs->freereg &&
- ls->fs->freereg >= ls->fs->nactvar);
- ls->fs->freereg = ls->fs->nactvar; /* free registers */
- leavelevel(ls);
-}
-
-/* }====================================================================== */
-
-
-/*
-** compiles the main function, which is a regular vararg function with an
-** upvalue named LUA_ENV
-*/
-static void mainfunc (LexState *ls, FuncState *fs) {
- BlockCnt bl;
- expdesc v;
- open_func(ls, fs, &bl);
- fs->f->is_vararg = 1; /* main function is always declared vararg */
- init_exp(&v, VLOCAL, 0); /* create and... */
- newupvalue(fs, ls->envn, &v); /* ...set environment upvalue */
- luaC_objbarrier(ls->L, fs->f, ls->envn);
- luaX_next(ls); /* read first token */
- statlist(ls); /* parse main body */
- check(ls, TK_EOS);
- close_func(ls);
-}
-
-
-LClosure *luaY_parser (lua_State *L, ZIO *z, Mbuffer *buff,
- Dyndata *dyd, const char *name, int firstchar) {
- LexState lexstate;
- FuncState funcstate;
- LClosure *cl = luaF_newLclosure(L, 1); /* create main closure */
- setclLvalue(L, L->top, cl); /* anchor it (to avoid being collected) */
- luaD_inctop(L);
- lexstate.h = luaH_new(L); /* create table for scanner */
- sethvalue(L, L->top, lexstate.h); /* anchor it */
- luaD_inctop(L);
- funcstate.f = cl->p = luaF_newproto(L);
- luaC_objbarrier(L, cl, cl->p);
- funcstate.f->source = luaS_new(L, name); /* create and anchor TString */
- lua_assert(iswhite(funcstate.f)); /* do not need barrier here */
- lexstate.buff = buff;
- lexstate.dyd = dyd;
- dyd->actvar.n = dyd->gt.n = dyd->label.n = 0;
- luaX_setinput(L, &lexstate, z, funcstate.f->source, firstchar);
- mainfunc(&lexstate, &funcstate);
- lua_assert(!funcstate.prev && funcstate.nups == 1 && !lexstate.fs);
- /* all scopes should be correctly finished */
- lua_assert(dyd->actvar.n == 0 && dyd->gt.n == 0 && dyd->label.n == 0);
- L->top--; /* remove scanner's table */
- return cl; /* closure is on the stack, too */
-}
-
diff --git a/Build/source/libs/lua53/lua53-src/src/lparser.h b/Build/source/libs/lua53/lua53-src/src/lparser.h
deleted file mode 100644
index f45b23cba56..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/lparser.h
+++ /dev/null
@@ -1,133 +0,0 @@
-/*
-** $Id: lparser.h,v 1.76.1.1 2017/04/19 17:20:42 roberto Exp $
-** Lua Parser
-** See Copyright Notice in lua.h
-*/
-
-#ifndef lparser_h
-#define lparser_h
-
-#include "llimits.h"
-#include "lobject.h"
-#include "lzio.h"
-
-
-/*
-** Expression and variable descriptor.
-** Code generation for variables and expressions can be delayed to allow
-** optimizations; An 'expdesc' structure describes a potentially-delayed
-** variable/expression. It has a description of its "main" value plus a
-** list of conditional jumps that can also produce its value (generated
-** by short-circuit operators 'and'/'or').
-*/
-
-/* kinds of variables/expressions */
-typedef enum {
- VVOID, /* when 'expdesc' describes the last expression a list,
- this kind means an empty list (so, no expression) */
- VNIL, /* constant nil */
- VTRUE, /* constant true */
- VFALSE, /* constant false */
- VK, /* constant in 'k'; info = index of constant in 'k' */
- VKFLT, /* floating constant; nval = numerical float value */
- VKINT, /* integer constant; nval = numerical integer value */
- VNONRELOC, /* expression has its value in a fixed register;
- info = result register */
- VLOCAL, /* local variable; info = local register */
- VUPVAL, /* upvalue variable; info = index of upvalue in 'upvalues' */
- VINDEXED, /* indexed variable;
- ind.vt = whether 't' is register or upvalue;
- ind.t = table register or upvalue;
- ind.idx = key's R/K index */
- VJMP, /* expression is a test/comparison;
- info = pc of corresponding jump instruction */
- VRELOCABLE, /* expression can put result in any register;
- info = instruction pc */
- VCALL, /* expression is a function call; info = instruction pc */
- VVARARG /* vararg expression; info = instruction pc */
-} expkind;
-
-
-#define vkisvar(k) (VLOCAL <= (k) && (k) <= VINDEXED)
-#define vkisinreg(k) ((k) == VNONRELOC || (k) == VLOCAL)
-
-typedef struct expdesc {
- expkind k;
- union {
- lua_Integer ival; /* for VKINT */
- lua_Number nval; /* for VKFLT */
- int info; /* for generic use */
- struct { /* for indexed variables (VINDEXED) */
- short idx; /* index (R/K) */
- lu_byte t; /* table (register or upvalue) */
- lu_byte vt; /* whether 't' is register (VLOCAL) or upvalue (VUPVAL) */
- } ind;
- } u;
- int t; /* patch list of 'exit when true' */
- int f; /* patch list of 'exit when false' */
-} expdesc;
-
-
-/* description of active local variable */
-typedef struct Vardesc {
- short idx; /* variable index in stack */
-} Vardesc;
-
-
-/* description of pending goto statements and label statements */
-typedef struct Labeldesc {
- TString *name; /* label identifier */
- int pc; /* position in code */
- int line; /* line where it appeared */
- lu_byte nactvar; /* local level where it appears in current block */
-} Labeldesc;
-
-
-/* list of labels or gotos */
-typedef struct Labellist {
- Labeldesc *arr; /* array */
- int n; /* number of entries in use */
- int size; /* array size */
-} Labellist;
-
-
-/* dynamic structures used by the parser */
-typedef struct Dyndata {
- struct { /* list of active local variables */
- Vardesc *arr;
- int n;
- int size;
- } actvar;
- Labellist gt; /* list of pending gotos */
- Labellist label; /* list of active labels */
-} Dyndata;
-
-
-/* control of blocks */
-struct BlockCnt; /* defined in lparser.c */
-
-
-/* state needed to generate code for a given function */
-typedef struct FuncState {
- Proto *f; /* current function header */
- struct FuncState *prev; /* enclosing function */
- struct LexState *ls; /* lexical state */
- struct BlockCnt *bl; /* chain of current blocks */
- int pc; /* next position to code (equivalent to 'ncode') */
- int lasttarget; /* 'label' of last 'jump label' */
- int jpc; /* list of pending jumps to 'pc' */
- int nk; /* number of elements in 'k' */
- int np; /* number of elements in 'p' */
- int firstlocal; /* index of first local var (in Dyndata array) */
- short nlocvars; /* number of elements in 'f->locvars' */
- lu_byte nactvar; /* number of active local variables */
- lu_byte nups; /* number of upvalues */
- lu_byte freereg; /* first free register */
-} FuncState;
-
-
-LUAI_FUNC LClosure *luaY_parser (lua_State *L, ZIO *z, Mbuffer *buff,
- Dyndata *dyd, const char *name, int firstchar);
-
-
-#endif
diff --git a/Build/source/libs/lua53/lua53-src/src/lprefix.h b/Build/source/libs/lua53/lua53-src/src/lprefix.h
deleted file mode 100644
index 9a749a3f30c..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/lprefix.h
+++ /dev/null
@@ -1,45 +0,0 @@
-/*
-** $Id: lprefix.h,v 1.2.1.1 2017/04/19 17:20:42 roberto Exp $
-** Definitions for Lua code that must come before any other header file
-** See Copyright Notice in lua.h
-*/
-
-#ifndef lprefix_h
-#define lprefix_h
-
-
-/*
-** Allows POSIX/XSI stuff
-*/
-#if !defined(LUA_USE_C89) /* { */
-
-#if !defined(_XOPEN_SOURCE)
-#define _XOPEN_SOURCE 600
-#elif _XOPEN_SOURCE == 0
-#undef _XOPEN_SOURCE /* use -D_XOPEN_SOURCE=0 to undefine it */
-#endif
-
-/*
-** Allows manipulation of large files in gcc and some other compilers
-*/
-#if !defined(LUA_32BITS) && !defined(_FILE_OFFSET_BITS)
-#define _LARGEFILE_SOURCE 1
-#define _FILE_OFFSET_BITS 64
-#endif
-
-#endif /* } */
-
-
-/*
-** Windows stuff
-*/
-#if defined(_WIN32) /* { */
-
-#if !defined(_CRT_SECURE_NO_WARNINGS)
-#define _CRT_SECURE_NO_WARNINGS /* avoid warnings about ISO C functions */
-#endif
-
-#endif /* } */
-
-#endif
-
diff --git a/Build/source/libs/lua53/lua53-src/src/lstate.c b/Build/source/libs/lua53/lua53-src/src/lstate.c
deleted file mode 100644
index c1a76643c33..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/lstate.c
+++ /dev/null
@@ -1,347 +0,0 @@
-/*
-** $Id: lstate.c,v 2.133.1.1 2017/04/19 17:39:34 roberto Exp $
-** Global State
-** See Copyright Notice in lua.h
-*/
-
-#define lstate_c
-#define LUA_CORE
-
-#include "lprefix.h"
-
-
-#include <stddef.h>
-#include <string.h>
-
-#include "lua.h"
-
-#include "lapi.h"
-#include "ldebug.h"
-#include "ldo.h"
-#include "lfunc.h"
-#include "lgc.h"
-#include "llex.h"
-#include "lmem.h"
-#include "lstate.h"
-#include "lstring.h"
-#include "ltable.h"
-#include "ltm.h"
-
-
-#if !defined(LUAI_GCPAUSE)
-#define LUAI_GCPAUSE 200 /* 200% */
-#endif
-
-#if !defined(LUAI_GCMUL)
-#define LUAI_GCMUL 200 /* GC runs 'twice the speed' of memory allocation */
-#endif
-
-
-/*
-** a macro to help the creation of a unique random seed when a state is
-** created; the seed is used to randomize hashes.
-*/
-#if !defined(luai_makeseed)
-#include <time.h>
-#define luai_makeseed() cast(unsigned int, time(NULL))
-#endif
-
-
-
-/*
-** thread state + extra space
-*/
-typedef struct LX {
- lu_byte extra_[LUA_EXTRASPACE];
- lua_State l;
-} LX;
-
-
-/*
-** Main thread combines a thread state and the global state
-*/
-typedef struct LG {
- LX l;
- global_State g;
-} LG;
-
-
-
-#define fromstate(L) (cast(LX *, cast(lu_byte *, (L)) - offsetof(LX, l)))
-
-
-/*
-** Compute an initial seed as random as possible. Rely on Address Space
-** Layout Randomization (if present) to increase randomness..
-*/
-#define addbuff(b,p,e) \
- { size_t t = cast(size_t, e); \
- memcpy(b + p, &t, sizeof(t)); p += sizeof(t); }
-
-static unsigned int makeseed (lua_State *L) {
- char buff[4 * sizeof(size_t)];
- unsigned int h = luai_makeseed();
- int p = 0;
- addbuff(buff, p, L); /* heap variable */
- addbuff(buff, p, &h); /* local variable */
- addbuff(buff, p, luaO_nilobject); /* global variable */
- addbuff(buff, p, &lua_newstate); /* public function */
- lua_assert(p == sizeof(buff));
- return luaS_hash(buff, p, h);
-}
-
-
-/*
-** set GCdebt to a new value keeping the value (totalbytes + GCdebt)
-** invariant (and avoiding underflows in 'totalbytes')
-*/
-void luaE_setdebt (global_State *g, l_mem debt) {
- l_mem tb = gettotalbytes(g);
- lua_assert(tb > 0);
- if (debt < tb - MAX_LMEM)
- debt = tb - MAX_LMEM; /* will make 'totalbytes == MAX_LMEM' */
- g->totalbytes = tb - debt;
- g->GCdebt = debt;
-}
-
-
-CallInfo *luaE_extendCI (lua_State *L) {
- CallInfo *ci = luaM_new(L, CallInfo);
- lua_assert(L->ci->next == NULL);
- L->ci->next = ci;
- ci->previous = L->ci;
- ci->next = NULL;
- L->nci++;
- return ci;
-}
-
-
-/*
-** free all CallInfo structures not in use by a thread
-*/
-void luaE_freeCI (lua_State *L) {
- CallInfo *ci = L->ci;
- CallInfo *next = ci->next;
- ci->next = NULL;
- while ((ci = next) != NULL) {
- next = ci->next;
- luaM_free(L, ci);
- L->nci--;
- }
-}
-
-
-/*
-** free half of the CallInfo structures not in use by a thread
-*/
-void luaE_shrinkCI (lua_State *L) {
- CallInfo *ci = L->ci;
- CallInfo *next2; /* next's next */
- /* while there are two nexts */
- while (ci->next != NULL && (next2 = ci->next->next) != NULL) {
- luaM_free(L, ci->next); /* free next */
- L->nci--;
- ci->next = next2; /* remove 'next' from the list */
- next2->previous = ci;
- ci = next2; /* keep next's next */
- }
-}
-
-
-static void stack_init (lua_State *L1, lua_State *L) {
- int i; CallInfo *ci;
- /* initialize stack array */
- L1->stack = luaM_newvector(L, BASIC_STACK_SIZE, TValue);
- L1->stacksize = BASIC_STACK_SIZE;
- for (i = 0; i < BASIC_STACK_SIZE; i++)
- setnilvalue(L1->stack + i); /* erase new stack */
- L1->top = L1->stack;
- L1->stack_last = L1->stack + L1->stacksize - EXTRA_STACK;
- /* initialize first ci */
- ci = &L1->base_ci;
- ci->next = ci->previous = NULL;
- ci->callstatus = 0;
- ci->func = L1->top;
- setnilvalue(L1->top++); /* 'function' entry for this 'ci' */
- ci->top = L1->top + LUA_MINSTACK;
- L1->ci = ci;
-}
-
-
-static void freestack (lua_State *L) {
- if (L->stack == NULL)
- return; /* stack not completely built yet */
- L->ci = &L->base_ci; /* free the entire 'ci' list */
- luaE_freeCI(L);
- lua_assert(L->nci == 0);
- luaM_freearray(L, L->stack, L->stacksize); /* free stack array */
-}
-
-
-/*
-** Create registry table and its predefined values
-*/
-static void init_registry (lua_State *L, global_State *g) {
- TValue temp;
- /* create registry */
- Table *registry = luaH_new(L);
- sethvalue(L, &g->l_registry, registry);
- luaH_resize(L, registry, LUA_RIDX_LAST, 0);
- /* registry[LUA_RIDX_MAINTHREAD] = L */
- setthvalue(L, &temp, L); /* temp = L */
- luaH_setint(L, registry, LUA_RIDX_MAINTHREAD, &temp);
- /* registry[LUA_RIDX_GLOBALS] = table of globals */
- sethvalue(L, &temp, luaH_new(L)); /* temp = new table (global table) */
- luaH_setint(L, registry, LUA_RIDX_GLOBALS, &temp);
-}
-
-
-/*
-** open parts of the state that may cause memory-allocation errors.
-** ('g->version' != NULL flags that the state was completely build)
-*/
-static void f_luaopen (lua_State *L, void *ud) {
- global_State *g = G(L);
- UNUSED(ud);
- stack_init(L, L); /* init stack */
- init_registry(L, g);
- luaS_init(L);
- luaT_init(L);
- luaX_init(L);
- g->gcrunning = 1; /* allow gc */
- g->version = lua_version(NULL);
- luai_userstateopen(L);
-}
-
-
-/*
-** preinitialize a thread with consistent values without allocating
-** any memory (to avoid errors)
-*/
-static void preinit_thread (lua_State *L, global_State *g) {
- G(L) = g;
- L->stack = NULL;
- L->ci = NULL;
- L->nci = 0;
- L->stacksize = 0;
- L->twups = L; /* thread has no upvalues */
- L->errorJmp = NULL;
- L->nCcalls = 0;
- L->hook = NULL;
- L->hookmask = 0;
- L->basehookcount = 0;
- L->allowhook = 1;
- resethookcount(L);
- L->openupval = NULL;
- L->nny = 1;
- L->status = LUA_OK;
- L->errfunc = 0;
-}
-
-
-static void close_state (lua_State *L) {
- global_State *g = G(L);
- luaF_close(L, L->stack); /* close all upvalues for this thread */
- luaC_freeallobjects(L); /* collect all objects */
- if (g->version) /* closing a fully built state? */
- luai_userstateclose(L);
- luaM_freearray(L, G(L)->strt.hash, G(L)->strt.size);
- freestack(L);
- lua_assert(gettotalbytes(g) == sizeof(LG));
- (*g->frealloc)(g->ud, fromstate(L), sizeof(LG), 0); /* free main block */
-}
-
-
-LUA_API lua_State *lua_newthread (lua_State *L) {
- global_State *g = G(L);
- lua_State *L1;
- lua_lock(L);
- luaC_checkGC(L);
- /* create new thread */
- L1 = &cast(LX *, luaM_newobject(L, LUA_TTHREAD, sizeof(LX)))->l;
- L1->marked = luaC_white(g);
- L1->tt = LUA_TTHREAD;
- /* link it on list 'allgc' */
- L1->next = g->allgc;
- g->allgc = obj2gco(L1);
- /* anchor it on L stack */
- setthvalue(L, L->top, L1);
- api_incr_top(L);
- preinit_thread(L1, g);
- L1->hookmask = L->hookmask;
- L1->basehookcount = L->basehookcount;
- L1->hook = L->hook;
- resethookcount(L1);
- /* initialize L1 extra space */
- memcpy(lua_getextraspace(L1), lua_getextraspace(g->mainthread),
- LUA_EXTRASPACE);
- luai_userstatethread(L, L1);
- stack_init(L1, L); /* init stack */
- lua_unlock(L);
- return L1;
-}
-
-
-void luaE_freethread (lua_State *L, lua_State *L1) {
- LX *l = fromstate(L1);
- luaF_close(L1, L1->stack); /* close all upvalues for this thread */
- lua_assert(L1->openupval == NULL);
- luai_userstatefree(L, L1);
- freestack(L1);
- luaM_free(L, l);
-}
-
-
-LUA_API lua_State *lua_newstate (lua_Alloc f, void *ud) {
- int i;
- lua_State *L;
- global_State *g;
- LG *l = cast(LG *, (*f)(ud, NULL, LUA_TTHREAD, sizeof(LG)));
- if (l == NULL) return NULL;
- L = &l->l.l;
- g = &l->g;
- L->next = NULL;
- L->tt = LUA_TTHREAD;
- g->currentwhite = bitmask(WHITE0BIT);
- L->marked = luaC_white(g);
- preinit_thread(L, g);
- g->frealloc = f;
- g->ud = ud;
- g->mainthread = L;
- g->seed = makeseed(L);
- g->gcrunning = 0; /* no GC while building state */
- g->GCestimate = 0;
- g->strt.size = g->strt.nuse = 0;
- g->strt.hash = NULL;
- setnilvalue(&g->l_registry);
- g->panic = NULL;
- g->version = NULL;
- g->gcstate = GCSpause;
- g->gckind = KGC_NORMAL;
- g->allgc = g->finobj = g->tobefnz = g->fixedgc = NULL;
- g->sweepgc = NULL;
- g->gray = g->grayagain = NULL;
- g->weak = g->ephemeron = g->allweak = NULL;
- g->twups = NULL;
- g->totalbytes = sizeof(LG);
- g->GCdebt = 0;
- g->gcfinnum = 0;
- g->gcpause = LUAI_GCPAUSE;
- g->gcstepmul = LUAI_GCMUL;
- for (i=0; i < LUA_NUMTAGS; i++) g->mt[i] = NULL;
- if (luaD_rawrunprotected(L, f_luaopen, NULL) != LUA_OK) {
- /* memory allocation error: free partial state */
- close_state(L);
- L = NULL;
- }
- return L;
-}
-
-
-LUA_API void lua_close (lua_State *L) {
- L = G(L)->mainthread; /* only the main thread can be closed */
- lua_lock(L);
- close_state(L);
-}
-
-
diff --git a/Build/source/libs/lua53/lua53-src/src/lstate.h b/Build/source/libs/lua53/lua53-src/src/lstate.h
deleted file mode 100644
index 56b37410000..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/lstate.h
+++ /dev/null
@@ -1,253 +0,0 @@
-/*
-** $Id: lstate.h,v 2.133.1.1 2017/04/19 17:39:34 roberto Exp $
-** Global State
-** See Copyright Notice in lua.h
-*/
-
-#ifndef lstate_h
-#define lstate_h
-
-#include "lua.h"
-
-#include "lobject.h"
-#include "ltm.h"
-#include "lzio.h"
-
-
-/*
-
-** Some notes about garbage-collected objects: All objects in Lua must
-** be kept somehow accessible until being freed, so all objects always
-** belong to one (and only one) of these lists, using field 'next' of
-** the 'CommonHeader' for the link:
-**
-** 'allgc': all objects not marked for finalization;
-** 'finobj': all objects marked for finalization;
-** 'tobefnz': all objects ready to be finalized;
-** 'fixedgc': all objects that are not to be collected (currently
-** only small strings, such as reserved words).
-**
-** Moreover, there is another set of lists that control gray objects.
-** These lists are linked by fields 'gclist'. (All objects that
-** can become gray have such a field. The field is not the same
-** in all objects, but it always has this name.) Any gray object
-** must belong to one of these lists, and all objects in these lists
-** must be gray:
-**
-** 'gray': regular gray objects, still waiting to be visited.
-** 'grayagain': objects that must be revisited at the atomic phase.
-** That includes
-** - black objects got in a write barrier;
-** - all kinds of weak tables during propagation phase;
-** - all threads.
-** 'weak': tables with weak values to be cleared;
-** 'ephemeron': ephemeron tables with white->white entries;
-** 'allweak': tables with weak keys and/or weak values to be cleared.
-** The last three lists are used only during the atomic phase.
-
-*/
-
-
-struct lua_longjmp; /* defined in ldo.c */
-
-
-/*
-** Atomic type (relative to signals) to better ensure that 'lua_sethook'
-** is thread safe
-*/
-#if !defined(l_signalT)
-#include <signal.h>
-#define l_signalT sig_atomic_t
-#endif
-
-
-/* extra stack space to handle TM calls and some other extras */
-#define EXTRA_STACK 5
-
-
-#define BASIC_STACK_SIZE (2*LUA_MINSTACK)
-
-
-/* kinds of Garbage Collection */
-#define KGC_NORMAL 0
-#define KGC_EMERGENCY 1 /* gc was forced by an allocation failure */
-
-
-typedef struct stringtable {
- TString **hash;
- int nuse; /* number of elements */
- int size;
-} stringtable;
-
-
-/*
-** Information about a call.
-** When a thread yields, 'func' is adjusted to pretend that the
-** top function has only the yielded values in its stack; in that
-** case, the actual 'func' value is saved in field 'extra'.
-** When a function calls another with a continuation, 'extra' keeps
-** the function index so that, in case of errors, the continuation
-** function can be called with the correct top.
-*/
-typedef struct CallInfo {
- StkId func; /* function index in the stack */
- StkId top; /* top for this function */
- struct CallInfo *previous, *next; /* dynamic call link */
- union {
- struct { /* only for Lua functions */
- StkId base; /* base for this function */
- const Instruction *savedpc;
- } l;
- struct { /* only for C functions */
- lua_KFunction k; /* continuation in case of yields */
- ptrdiff_t old_errfunc;
- lua_KContext ctx; /* context info. in case of yields */
- } c;
- } u;
- ptrdiff_t extra;
- short nresults; /* expected number of results from this function */
- unsigned short callstatus;
-} CallInfo;
-
-
-/*
-** Bits in CallInfo status
-*/
-#define CIST_OAH (1<<0) /* original value of 'allowhook' */
-#define CIST_LUA (1<<1) /* call is running a Lua function */
-#define CIST_HOOKED (1<<2) /* call is running a debug hook */
-#define CIST_FRESH (1<<3) /* call is running on a fresh invocation
- of luaV_execute */
-#define CIST_YPCALL (1<<4) /* call is a yieldable protected call */
-#define CIST_TAIL (1<<5) /* call was tail called */
-#define CIST_HOOKYIELD (1<<6) /* last hook called yielded */
-#define CIST_LEQ (1<<7) /* using __lt for __le */
-#define CIST_FIN (1<<8) /* call is running a finalizer */
-
-#define isLua(ci) ((ci)->callstatus & CIST_LUA)
-
-/* assume that CIST_OAH has offset 0 and that 'v' is strictly 0/1 */
-#define setoah(st,v) ((st) = ((st) & ~CIST_OAH) | (v))
-#define getoah(st) ((st) & CIST_OAH)
-
-
-/*
-** 'global state', shared by all threads of this state
-*/
-typedef struct global_State {
- lua_Alloc frealloc; /* function to reallocate memory */
- void *ud; /* auxiliary data to 'frealloc' */
- l_mem totalbytes; /* number of bytes currently allocated - GCdebt */
- l_mem GCdebt; /* bytes allocated not yet compensated by the collector */
- lu_mem GCmemtrav; /* memory traversed by the GC */
- lu_mem GCestimate; /* an estimate of the non-garbage memory in use */
- stringtable strt; /* hash table for strings */
- TValue l_registry;
- unsigned int seed; /* randomized seed for hashes */
- lu_byte currentwhite;
- lu_byte gcstate; /* state of garbage collector */
- lu_byte gckind; /* kind of GC running */
- lu_byte gcrunning; /* true if GC is running */
- GCObject *allgc; /* list of all collectable objects */
- GCObject **sweepgc; /* current position of sweep in list */
- GCObject *finobj; /* list of collectable objects with finalizers */
- GCObject *gray; /* list of gray objects */
- GCObject *grayagain; /* list of objects to be traversed atomically */
- GCObject *weak; /* list of tables with weak values */
- GCObject *ephemeron; /* list of ephemeron tables (weak keys) */
- GCObject *allweak; /* list of all-weak tables */
- GCObject *tobefnz; /* list of userdata to be GC */
- GCObject *fixedgc; /* list of objects not to be collected */
- struct lua_State *twups; /* list of threads with open upvalues */
- unsigned int gcfinnum; /* number of finalizers to call in each GC step */
- int gcpause; /* size of pause between successive GCs */
- int gcstepmul; /* GC 'granularity' */
- lua_CFunction panic; /* to be called in unprotected errors */
- struct lua_State *mainthread;
- const lua_Number *version; /* pointer to version number */
- TString *memerrmsg; /* memory-error message */
- TString *tmname[TM_N]; /* array with tag-method names */
- struct Table *mt[LUA_NUMTAGS]; /* metatables for basic types */
- TString *strcache[STRCACHE_N][STRCACHE_M]; /* cache for strings in API */
-} global_State;
-
-
-/*
-** 'per thread' state
-*/
-struct lua_State {
- CommonHeader;
- unsigned short nci; /* number of items in 'ci' list */
- lu_byte status;
- StkId top; /* first free slot in the stack */
- global_State *l_G;
- CallInfo *ci; /* call info for current function */
- const Instruction *oldpc; /* last pc traced */
- StkId stack_last; /* last free slot in the stack */
- StkId stack; /* stack base */
- UpVal *openupval; /* list of open upvalues in this stack */
- GCObject *gclist;
- struct lua_State *twups; /* list of threads with open upvalues */
- struct lua_longjmp *errorJmp; /* current error recover point */
- CallInfo base_ci; /* CallInfo for first level (C calling Lua) */
- volatile lua_Hook hook;
- ptrdiff_t errfunc; /* current error handling function (stack index) */
- int stacksize;
- int basehookcount;
- int hookcount;
- unsigned short nny; /* number of non-yieldable calls in stack */
- unsigned short nCcalls; /* number of nested C calls */
- l_signalT hookmask;
- lu_byte allowhook;
-};
-
-
-#define G(L) (L->l_G)
-
-
-/*
-** Union of all collectable objects (only for conversions)
-*/
-union GCUnion {
- GCObject gc; /* common header */
- struct TString ts;
- struct Udata u;
- union Closure cl;
- struct Table h;
- struct Proto p;
- struct lua_State th; /* thread */
-};
-
-
-#define cast_u(o) cast(union GCUnion *, (o))
-
-/* macros to convert a GCObject into a specific value */
-#define gco2ts(o) \
- check_exp(novariant((o)->tt) == LUA_TSTRING, &((cast_u(o))->ts))
-#define gco2u(o) check_exp((o)->tt == LUA_TUSERDATA, &((cast_u(o))->u))
-#define gco2lcl(o) check_exp((o)->tt == LUA_TLCL, &((cast_u(o))->cl.l))
-#define gco2ccl(o) check_exp((o)->tt == LUA_TCCL, &((cast_u(o))->cl.c))
-#define gco2cl(o) \
- check_exp(novariant((o)->tt) == LUA_TFUNCTION, &((cast_u(o))->cl))
-#define gco2t(o) check_exp((o)->tt == LUA_TTABLE, &((cast_u(o))->h))
-#define gco2p(o) check_exp((o)->tt == LUA_TPROTO, &((cast_u(o))->p))
-#define gco2th(o) check_exp((o)->tt == LUA_TTHREAD, &((cast_u(o))->th))
-
-
-/* macro to convert a Lua object into a GCObject */
-#define obj2gco(v) \
- check_exp(novariant((v)->tt) < LUA_TDEADKEY, (&(cast_u(v)->gc)))
-
-
-/* actual number of total bytes allocated */
-#define gettotalbytes(g) cast(lu_mem, (g)->totalbytes + (g)->GCdebt)
-
-LUAI_FUNC void luaE_setdebt (global_State *g, l_mem debt);
-LUAI_FUNC void luaE_freethread (lua_State *L, lua_State *L1);
-LUAI_FUNC CallInfo *luaE_extendCI (lua_State *L);
-LUAI_FUNC void luaE_freeCI (lua_State *L);
-LUAI_FUNC void luaE_shrinkCI (lua_State *L);
-
-
-#endif
-
diff --git a/Build/source/libs/lua53/lua53-src/src/lstring.c b/Build/source/libs/lua53/lua53-src/src/lstring.c
deleted file mode 100644
index 6257f211d9e..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/lstring.c
+++ /dev/null
@@ -1,248 +0,0 @@
-/*
-** $Id: lstring.c,v 2.56.1.1 2017/04/19 17:20:42 roberto Exp $
-** String table (keeps all strings handled by Lua)
-** See Copyright Notice in lua.h
-*/
-
-#define lstring_c
-#define LUA_CORE
-
-#include "lprefix.h"
-
-
-#include <string.h>
-
-#include "lua.h"
-
-#include "ldebug.h"
-#include "ldo.h"
-#include "lmem.h"
-#include "lobject.h"
-#include "lstate.h"
-#include "lstring.h"
-
-
-#define MEMERRMSG "not enough memory"
-
-
-/*
-** Lua will use at most ~(2^LUAI_HASHLIMIT) bytes from a string to
-** compute its hash
-*/
-#if !defined(LUAI_HASHLIMIT)
-#define LUAI_HASHLIMIT 5
-#endif
-
-
-/*
-** equality for long strings
-*/
-int luaS_eqlngstr (TString *a, TString *b) {
- size_t len = a->u.lnglen;
- lua_assert(a->tt == LUA_TLNGSTR && b->tt == LUA_TLNGSTR);
- return (a == b) || /* same instance or... */
- ((len == b->u.lnglen) && /* equal length and ... */
- (memcmp(getstr(a), getstr(b), len) == 0)); /* equal contents */
-}
-
-
-unsigned int luaS_hash (const char *str, size_t l, unsigned int seed) {
- unsigned int h = seed ^ cast(unsigned int, l);
- size_t step = (l >> LUAI_HASHLIMIT) + 1;
- for (; l >= step; l -= step)
- h ^= ((h<<5) + (h>>2) + cast_byte(str[l - 1]));
- return h;
-}
-
-
-unsigned int luaS_hashlongstr (TString *ts) {
- lua_assert(ts->tt == LUA_TLNGSTR);
- if (ts->extra == 0) { /* no hash? */
- ts->hash = luaS_hash(getstr(ts), ts->u.lnglen, ts->hash);
- ts->extra = 1; /* now it has its hash */
- }
- return ts->hash;
-}
-
-
-/*
-** resizes the string table
-*/
-void luaS_resize (lua_State *L, int newsize) {
- int i;
- stringtable *tb = &G(L)->strt;
- if (newsize > tb->size) { /* grow table if needed */
- luaM_reallocvector(L, tb->hash, tb->size, newsize, TString *);
- for (i = tb->size; i < newsize; i++)
- tb->hash[i] = NULL;
- }
- for (i = 0; i < tb->size; i++) { /* rehash */
- TString *p = tb->hash[i];
- tb->hash[i] = NULL;
- while (p) { /* for each node in the list */
- TString *hnext = p->u.hnext; /* save next */
- unsigned int h = lmod(p->hash, newsize); /* new position */
- p->u.hnext = tb->hash[h]; /* chain it */
- tb->hash[h] = p;
- p = hnext;
- }
- }
- if (newsize < tb->size) { /* shrink table if needed */
- /* vanishing slice should be empty */
- lua_assert(tb->hash[newsize] == NULL && tb->hash[tb->size - 1] == NULL);
- luaM_reallocvector(L, tb->hash, tb->size, newsize, TString *);
- }
- tb->size = newsize;
-}
-
-
-/*
-** Clear API string cache. (Entries cannot be empty, so fill them with
-** a non-collectable string.)
-*/
-void luaS_clearcache (global_State *g) {
- int i, j;
- for (i = 0; i < STRCACHE_N; i++)
- for (j = 0; j < STRCACHE_M; j++) {
- if (iswhite(g->strcache[i][j])) /* will entry be collected? */
- g->strcache[i][j] = g->memerrmsg; /* replace it with something fixed */
- }
-}
-
-
-/*
-** Initialize the string table and the string cache
-*/
-void luaS_init (lua_State *L) {
- global_State *g = G(L);
- int i, j;
- luaS_resize(L, MINSTRTABSIZE); /* initial size of string table */
- /* pre-create memory-error message */
- g->memerrmsg = luaS_newliteral(L, MEMERRMSG);
- luaC_fix(L, obj2gco(g->memerrmsg)); /* it should never be collected */
- for (i = 0; i < STRCACHE_N; i++) /* fill cache with valid strings */
- for (j = 0; j < STRCACHE_M; j++)
- g->strcache[i][j] = g->memerrmsg;
-}
-
-
-
-/*
-** creates a new string object
-*/
-static TString *createstrobj (lua_State *L, size_t l, int tag, unsigned int h) {
- TString *ts;
- GCObject *o;
- size_t totalsize; /* total size of TString object */
- totalsize = sizelstring(l);
- o = luaC_newobj(L, tag, totalsize);
- ts = gco2ts(o);
- ts->hash = h;
- ts->extra = 0;
- getstr(ts)[l] = '\0'; /* ending 0 */
- return ts;
-}
-
-
-TString *luaS_createlngstrobj (lua_State *L, size_t l) {
- TString *ts = createstrobj(L, l, LUA_TLNGSTR, G(L)->seed);
- ts->u.lnglen = l;
- return ts;
-}
-
-
-void luaS_remove (lua_State *L, TString *ts) {
- stringtable *tb = &G(L)->strt;
- TString **p = &tb->hash[lmod(ts->hash, tb->size)];
- while (*p != ts) /* find previous element */
- p = &(*p)->u.hnext;
- *p = (*p)->u.hnext; /* remove element from its list */
- tb->nuse--;
-}
-
-
-/*
-** checks whether short string exists and reuses it or creates a new one
-*/
-static TString *internshrstr (lua_State *L, const char *str, size_t l) {
- TString *ts;
- global_State *g = G(L);
- unsigned int h = luaS_hash(str, l, g->seed);
- TString **list = &g->strt.hash[lmod(h, g->strt.size)];
- lua_assert(str != NULL); /* otherwise 'memcmp'/'memcpy' are undefined */
- for (ts = *list; ts != NULL; ts = ts->u.hnext) {
- if (l == ts->shrlen &&
- (memcmp(str, getstr(ts), l * sizeof(char)) == 0)) {
- /* found! */
- if (isdead(g, ts)) /* dead (but not collected yet)? */
- changewhite(ts); /* resurrect it */
- return ts;
- }
- }
- if (g->strt.nuse >= g->strt.size && g->strt.size <= MAX_INT/2) {
- luaS_resize(L, g->strt.size * 2);
- list = &g->strt.hash[lmod(h, g->strt.size)]; /* recompute with new size */
- }
- ts = createstrobj(L, l, LUA_TSHRSTR, h);
- memcpy(getstr(ts), str, l * sizeof(char));
- ts->shrlen = cast_byte(l);
- ts->u.hnext = *list;
- *list = ts;
- g->strt.nuse++;
- return ts;
-}
-
-
-/*
-** new string (with explicit length)
-*/
-TString *luaS_newlstr (lua_State *L, const char *str, size_t l) {
- if (l <= LUAI_MAXSHORTLEN) /* short string? */
- return internshrstr(L, str, l);
- else {
- TString *ts;
- if (l >= (MAX_SIZE - sizeof(TString))/sizeof(char))
- luaM_toobig(L);
- ts = luaS_createlngstrobj(L, l);
- memcpy(getstr(ts), str, l * sizeof(char));
- return ts;
- }
-}
-
-
-/*
-** Create or reuse a zero-terminated string, first checking in the
-** cache (using the string address as a key). The cache can contain
-** only zero-terminated strings, so it is safe to use 'strcmp' to
-** check hits.
-*/
-TString *luaS_new (lua_State *L, const char *str) {
- unsigned int i = point2uint(str) % STRCACHE_N; /* hash */
- int j;
- TString **p = G(L)->strcache[i];
- for (j = 0; j < STRCACHE_M; j++) {
- if (strcmp(str, getstr(p[j])) == 0) /* hit? */
- return p[j]; /* that is it */
- }
- /* normal route */
- for (j = STRCACHE_M - 1; j > 0; j--)
- p[j] = p[j - 1]; /* move out last element */
- /* new element is first in the list */
- p[0] = luaS_newlstr(L, str, strlen(str));
- return p[0];
-}
-
-
-Udata *luaS_newudata (lua_State *L, size_t s) {
- Udata *u;
- GCObject *o;
- if (s > MAX_SIZE - sizeof(Udata))
- luaM_toobig(L);
- o = luaC_newobj(L, LUA_TUSERDATA, sizeludata(s));
- u = gco2u(o);
- u->len = s;
- u->metatable = NULL;
- setuservalue(L, u, luaO_nilobject);
- return u;
-}
-
diff --git a/Build/source/libs/lua53/lua53-src/src/lstring.h b/Build/source/libs/lua53/lua53-src/src/lstring.h
deleted file mode 100644
index d612abd3332..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/lstring.h
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
-** $Id: lstring.h,v 1.61.1.1 2017/04/19 17:20:42 roberto Exp $
-** String table (keep all strings handled by Lua)
-** See Copyright Notice in lua.h
-*/
-
-#ifndef lstring_h
-#define lstring_h
-
-#include "lgc.h"
-#include "lobject.h"
-#include "lstate.h"
-
-
-#define sizelstring(l) (sizeof(union UTString) + ((l) + 1) * sizeof(char))
-
-#define sizeludata(l) (sizeof(union UUdata) + (l))
-#define sizeudata(u) sizeludata((u)->len)
-
-#define luaS_newliteral(L, s) (luaS_newlstr(L, "" s, \
- (sizeof(s)/sizeof(char))-1))
-
-
-/*
-** test whether a string is a reserved word
-*/
-#define isreserved(s) ((s)->tt == LUA_TSHRSTR && (s)->extra > 0)
-
-
-/*
-** equality for short strings, which are always internalized
-*/
-#define eqshrstr(a,b) check_exp((a)->tt == LUA_TSHRSTR, (a) == (b))
-
-
-LUAI_FUNC unsigned int luaS_hash (const char *str, size_t l, unsigned int seed);
-LUAI_FUNC unsigned int luaS_hashlongstr (TString *ts);
-LUAI_FUNC int luaS_eqlngstr (TString *a, TString *b);
-LUAI_FUNC void luaS_resize (lua_State *L, int newsize);
-LUAI_FUNC void luaS_clearcache (global_State *g);
-LUAI_FUNC void luaS_init (lua_State *L);
-LUAI_FUNC void luaS_remove (lua_State *L, TString *ts);
-LUAI_FUNC Udata *luaS_newudata (lua_State *L, size_t s);
-LUAI_FUNC TString *luaS_newlstr (lua_State *L, const char *str, size_t l);
-LUAI_FUNC TString *luaS_new (lua_State *L, const char *str);
-LUAI_FUNC TString *luaS_createlngstrobj (lua_State *L, size_t l);
-
-
-#endif
diff --git a/Build/source/libs/lua53/lua53-src/src/lstrlib.c b/Build/source/libs/lua53/lua53-src/src/lstrlib.c
deleted file mode 100644
index b4bed7e93d1..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/lstrlib.c
+++ /dev/null
@@ -1,1584 +0,0 @@
-/*
-** $Id: lstrlib.c,v 1.254.1.1 2017/04/19 17:29:57 roberto Exp $
-** Standard library for string operations and pattern-matching
-** See Copyright Notice in lua.h
-*/
-
-#define lstrlib_c
-#define LUA_LIB
-
-#include "lprefix.h"
-
-
-#include <ctype.h>
-#include <float.h>
-#include <limits.h>
-#include <locale.h>
-#include <stddef.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "lua.h"
-
-#include "lauxlib.h"
-#include "lualib.h"
-
-
-/*
-** maximum number of captures that a pattern can do during
-** pattern-matching. This limit is arbitrary, but must fit in
-** an unsigned char.
-*/
-#if !defined(LUA_MAXCAPTURES)
-#define LUA_MAXCAPTURES 32
-#endif
-
-
-/* macro to 'unsign' a character */
-#define uchar(c) ((unsigned char)(c))
-
-
-/*
-** Some sizes are better limited to fit in 'int', but must also fit in
-** 'size_t'. (We assume that 'lua_Integer' cannot be smaller than 'int'.)
-*/
-#define MAX_SIZET ((size_t)(~(size_t)0))
-
-#define MAXSIZE \
- (sizeof(size_t) < sizeof(int) ? MAX_SIZET : (size_t)(INT_MAX))
-
-
-
-
-static int str_len (lua_State *L) {
- size_t l;
- luaL_checklstring(L, 1, &l);
- lua_pushinteger(L, (lua_Integer)l);
- return 1;
-}
-
-
-/* translate a relative string position: negative means back from end */
-static lua_Integer posrelat (lua_Integer pos, size_t len) {
- if (pos >= 0) return pos;
- else if (0u - (size_t)pos > len) return 0;
- else return (lua_Integer)len + pos + 1;
-}
-
-
-static int str_sub (lua_State *L) {
- size_t l;
- const char *s = luaL_checklstring(L, 1, &l);
- lua_Integer start = posrelat(luaL_checkinteger(L, 2), l);
- lua_Integer end = posrelat(luaL_optinteger(L, 3, -1), l);
- if (start < 1) start = 1;
- if (end > (lua_Integer)l) end = l;
- if (start <= end)
- lua_pushlstring(L, s + start - 1, (size_t)(end - start) + 1);
- else lua_pushliteral(L, "");
- return 1;
-}
-
-
-static int str_reverse (lua_State *L) {
- size_t l, i;
- luaL_Buffer b;
- const char *s = luaL_checklstring(L, 1, &l);
- char *p = luaL_buffinitsize(L, &b, l);
- for (i = 0; i < l; i++)
- p[i] = s[l - i - 1];
- luaL_pushresultsize(&b, l);
- return 1;
-}
-
-
-static int str_lower (lua_State *L) {
- size_t l;
- size_t i;
- luaL_Buffer b;
- const char *s = luaL_checklstring(L, 1, &l);
- char *p = luaL_buffinitsize(L, &b, l);
- for (i=0; i<l; i++)
- p[i] = tolower(uchar(s[i]));
- luaL_pushresultsize(&b, l);
- return 1;
-}
-
-
-static int str_upper (lua_State *L) {
- size_t l;
- size_t i;
- luaL_Buffer b;
- const char *s = luaL_checklstring(L, 1, &l);
- char *p = luaL_buffinitsize(L, &b, l);
- for (i=0; i<l; i++)
- p[i] = toupper(uchar(s[i]));
- luaL_pushresultsize(&b, l);
- return 1;
-}
-
-
-static int str_rep (lua_State *L) {
- size_t l, lsep;
- const char *s = luaL_checklstring(L, 1, &l);
- lua_Integer n = luaL_checkinteger(L, 2);
- const char *sep = luaL_optlstring(L, 3, "", &lsep);
- if (n <= 0) lua_pushliteral(L, "");
- else if (l + lsep < l || l + lsep > MAXSIZE / n) /* may overflow? */
- return luaL_error(L, "resulting string too large");
- else {
- size_t totallen = (size_t)n * l + (size_t)(n - 1) * lsep;
- luaL_Buffer b;
- char *p = luaL_buffinitsize(L, &b, totallen);
- while (n-- > 1) { /* first n-1 copies (followed by separator) */
- memcpy(p, s, l * sizeof(char)); p += l;
- if (lsep > 0) { /* empty 'memcpy' is not that cheap */
- memcpy(p, sep, lsep * sizeof(char));
- p += lsep;
- }
- }
- memcpy(p, s, l * sizeof(char)); /* last copy (not followed by separator) */
- luaL_pushresultsize(&b, totallen);
- }
- return 1;
-}
-
-
-static int str_byte (lua_State *L) {
- size_t l;
- const char *s = luaL_checklstring(L, 1, &l);
- lua_Integer posi = posrelat(luaL_optinteger(L, 2, 1), l);
- lua_Integer pose = posrelat(luaL_optinteger(L, 3, posi), l);
- int n, i;
- if (posi < 1) posi = 1;
- if (pose > (lua_Integer)l) pose = l;
- if (posi > pose) return 0; /* empty interval; return no values */
- if (pose - posi >= INT_MAX) /* arithmetic overflow? */
- return luaL_error(L, "string slice too long");
- n = (int)(pose - posi) + 1;
- luaL_checkstack(L, n, "string slice too long");
- for (i=0; i<n; i++)
- lua_pushinteger(L, uchar(s[posi+i-1]));
- return n;
-}
-
-
-static int str_char (lua_State *L) {
- int n = lua_gettop(L); /* number of arguments */
- int i;
- luaL_Buffer b;
- char *p = luaL_buffinitsize(L, &b, n);
- for (i=1; i<=n; i++) {
- lua_Integer c = luaL_checkinteger(L, i);
- luaL_argcheck(L, uchar(c) == c, i, "value out of range");
- p[i - 1] = uchar(c);
- }
- luaL_pushresultsize(&b, n);
- return 1;
-}
-
-
-static int writer (lua_State *L, const void *b, size_t size, void *B) {
- (void)L;
- luaL_addlstring((luaL_Buffer *) B, (const char *)b, size);
- return 0;
-}
-
-
-static int str_dump (lua_State *L) {
- luaL_Buffer b;
- int strip = lua_toboolean(L, 2);
- luaL_checktype(L, 1, LUA_TFUNCTION);
- lua_settop(L, 1);
- luaL_buffinit(L,&b);
- if (lua_dump(L, writer, &b, strip) != 0)
- return luaL_error(L, "unable to dump given function");
- luaL_pushresult(&b);
- return 1;
-}
-
-
-
-/*
-** {======================================================
-** PATTERN MATCHING
-** =======================================================
-*/
-
-
-#define CAP_UNFINISHED (-1)
-#define CAP_POSITION (-2)
-
-
-typedef struct MatchState {
- const char *src_init; /* init of source string */
- const char *src_end; /* end ('\0') of source string */
- const char *p_end; /* end ('\0') of pattern */
- lua_State *L;
- int matchdepth; /* control for recursive depth (to avoid C stack overflow) */
- unsigned char level; /* total number of captures (finished or unfinished) */
- struct {
- const char *init;
- ptrdiff_t len;
- } capture[LUA_MAXCAPTURES];
-} MatchState;
-
-
-/* recursive function */
-static const char *match (MatchState *ms, const char *s, const char *p);
-
-
-/* maximum recursion depth for 'match' */
-#if !defined(MAXCCALLS)
-#define MAXCCALLS 200
-#endif
-
-
-#define L_ESC '%'
-#define SPECIALS "^$*+?.([%-"
-
-
-static int check_capture (MatchState *ms, int l) {
- l -= '1';
- if (l < 0 || l >= ms->level || ms->capture[l].len == CAP_UNFINISHED)
- return luaL_error(ms->L, "invalid capture index %%%d", l + 1);
- return l;
-}
-
-
-static int capture_to_close (MatchState *ms) {
- int level = ms->level;
- for (level--; level>=0; level--)
- if (ms->capture[level].len == CAP_UNFINISHED) return level;
- return luaL_error(ms->L, "invalid pattern capture");
-}
-
-
-static const char *classend (MatchState *ms, const char *p) {
- switch (*p++) {
- case L_ESC: {
- if (p == ms->p_end)
- luaL_error(ms->L, "malformed pattern (ends with '%%')");
- return p+1;
- }
- case '[': {
- if (*p == '^') p++;
- do { /* look for a ']' */
- if (p == ms->p_end)
- luaL_error(ms->L, "malformed pattern (missing ']')");
- if (*(p++) == L_ESC && p < ms->p_end)
- p++; /* skip escapes (e.g. '%]') */
- } while (*p != ']');
- return p+1;
- }
- default: {
- return p;
- }
- }
-}
-
-
-static int match_class (int c, int cl) {
- int res;
- switch (tolower(cl)) {
- case 'a' : res = isalpha(c); break;
- case 'c' : res = iscntrl(c); break;
- case 'd' : res = isdigit(c); break;
- case 'g' : res = isgraph(c); break;
- case 'l' : res = islower(c); break;
- case 'p' : res = ispunct(c); break;
- case 's' : res = isspace(c); break;
- case 'u' : res = isupper(c); break;
- case 'w' : res = isalnum(c); break;
- case 'x' : res = isxdigit(c); break;
- case 'z' : res = (c == 0); break; /* deprecated option */
- default: return (cl == c);
- }
- return (islower(cl) ? res : !res);
-}
-
-
-static int matchbracketclass (int c, const char *p, const char *ec) {
- int sig = 1;
- if (*(p+1) == '^') {
- sig = 0;
- p++; /* skip the '^' */
- }
- while (++p < ec) {
- if (*p == L_ESC) {
- p++;
- if (match_class(c, uchar(*p)))
- return sig;
- }
- else if ((*(p+1) == '-') && (p+2 < ec)) {
- p+=2;
- if (uchar(*(p-2)) <= c && c <= uchar(*p))
- return sig;
- }
- else if (uchar(*p) == c) return sig;
- }
- return !sig;
-}
-
-
-static int singlematch (MatchState *ms, const char *s, const char *p,
- const char *ep) {
- if (s >= ms->src_end)
- return 0;
- else {
- int c = uchar(*s);
- switch (*p) {
- case '.': return 1; /* matches any char */
- case L_ESC: return match_class(c, uchar(*(p+1)));
- case '[': return matchbracketclass(c, p, ep-1);
- default: return (uchar(*p) == c);
- }
- }
-}
-
-
-static const char *matchbalance (MatchState *ms, const char *s,
- const char *p) {
- if (p >= ms->p_end - 1)
- luaL_error(ms->L, "malformed pattern (missing arguments to '%%b')");
- if (*s != *p) return NULL;
- else {
- int b = *p;
- int e = *(p+1);
- int cont = 1;
- while (++s < ms->src_end) {
- if (*s == e) {
- if (--cont == 0) return s+1;
- }
- else if (*s == b) cont++;
- }
- }
- return NULL; /* string ends out of balance */
-}
-
-
-static const char *max_expand (MatchState *ms, const char *s,
- const char *p, const char *ep) {
- ptrdiff_t i = 0; /* counts maximum expand for item */
- while (singlematch(ms, s + i, p, ep))
- i++;
- /* keeps trying to match with the maximum repetitions */
- while (i>=0) {
- const char *res = match(ms, (s+i), ep+1);
- if (res) return res;
- i--; /* else didn't match; reduce 1 repetition to try again */
- }
- return NULL;
-}
-
-
-static const char *min_expand (MatchState *ms, const char *s,
- const char *p, const char *ep) {
- for (;;) {
- const char *res = match(ms, s, ep+1);
- if (res != NULL)
- return res;
- else if (singlematch(ms, s, p, ep))
- s++; /* try with one more repetition */
- else return NULL;
- }
-}
-
-
-static const char *start_capture (MatchState *ms, const char *s,
- const char *p, int what) {
- const char *res;
- int level = ms->level;
- if (level >= LUA_MAXCAPTURES) luaL_error(ms->L, "too many captures");
- ms->capture[level].init = s;
- ms->capture[level].len = what;
- ms->level = level+1;
- if ((res=match(ms, s, p)) == NULL) /* match failed? */
- ms->level--; /* undo capture */
- return res;
-}
-
-
-static const char *end_capture (MatchState *ms, const char *s,
- const char *p) {
- int l = capture_to_close(ms);
- const char *res;
- ms->capture[l].len = s - ms->capture[l].init; /* close capture */
- if ((res = match(ms, s, p)) == NULL) /* match failed? */
- ms->capture[l].len = CAP_UNFINISHED; /* undo capture */
- return res;
-}
-
-
-static const char *match_capture (MatchState *ms, const char *s, int l) {
- size_t len;
- l = check_capture(ms, l);
- len = ms->capture[l].len;
- if ((size_t)(ms->src_end-s) >= len &&
- memcmp(ms->capture[l].init, s, len) == 0)
- return s+len;
- else return NULL;
-}
-
-
-static const char *match (MatchState *ms, const char *s, const char *p) {
- if (ms->matchdepth-- == 0)
- luaL_error(ms->L, "pattern too complex");
- init: /* using goto's to optimize tail recursion */
- if (p != ms->p_end) { /* end of pattern? */
- switch (*p) {
- case '(': { /* start capture */
- if (*(p + 1) == ')') /* position capture? */
- s = start_capture(ms, s, p + 2, CAP_POSITION);
- else
- s = start_capture(ms, s, p + 1, CAP_UNFINISHED);
- break;
- }
- case ')': { /* end capture */
- s = end_capture(ms, s, p + 1);
- break;
- }
- case '$': {
- if ((p + 1) != ms->p_end) /* is the '$' the last char in pattern? */
- goto dflt; /* no; go to default */
- s = (s == ms->src_end) ? s : NULL; /* check end of string */
- break;
- }
- case L_ESC: { /* escaped sequences not in the format class[*+?-]? */
- switch (*(p + 1)) {
- case 'b': { /* balanced string? */
- s = matchbalance(ms, s, p + 2);
- if (s != NULL) {
- p += 4; goto init; /* return match(ms, s, p + 4); */
- } /* else fail (s == NULL) */
- break;
- }
- case 'f': { /* frontier? */
- const char *ep; char previous;
- p += 2;
- if (*p != '[')
- luaL_error(ms->L, "missing '[' after '%%f' in pattern");
- ep = classend(ms, p); /* points to what is next */
- previous = (s == ms->src_init) ? '\0' : *(s - 1);
- if (!matchbracketclass(uchar(previous), p, ep - 1) &&
- matchbracketclass(uchar(*s), p, ep - 1)) {
- p = ep; goto init; /* return match(ms, s, ep); */
- }
- s = NULL; /* match failed */
- break;
- }
- case '0': case '1': case '2': case '3':
- case '4': case '5': case '6': case '7':
- case '8': case '9': { /* capture results (%0-%9)? */
- s = match_capture(ms, s, uchar(*(p + 1)));
- if (s != NULL) {
- p += 2; goto init; /* return match(ms, s, p + 2) */
- }
- break;
- }
- default: goto dflt;
- }
- break;
- }
- default: dflt: { /* pattern class plus optional suffix */
- const char *ep = classend(ms, p); /* points to optional suffix */
- /* does not match at least once? */
- if (!singlematch(ms, s, p, ep)) {
- if (*ep == '*' || *ep == '?' || *ep == '-') { /* accept empty? */
- p = ep + 1; goto init; /* return match(ms, s, ep + 1); */
- }
- else /* '+' or no suffix */
- s = NULL; /* fail */
- }
- else { /* matched once */
- switch (*ep) { /* handle optional suffix */
- case '?': { /* optional */
- const char *res;
- if ((res = match(ms, s + 1, ep + 1)) != NULL)
- s = res;
- else {
- p = ep + 1; goto init; /* else return match(ms, s, ep + 1); */
- }
- break;
- }
- case '+': /* 1 or more repetitions */
- s++; /* 1 match already done */
- /* FALLTHROUGH */
- case '*': /* 0 or more repetitions */
- s = max_expand(ms, s, p, ep);
- break;
- case '-': /* 0 or more repetitions (minimum) */
- s = min_expand(ms, s, p, ep);
- break;
- default: /* no suffix */
- s++; p = ep; goto init; /* return match(ms, s + 1, ep); */
- }
- }
- break;
- }
- }
- }
- ms->matchdepth++;
- return s;
-}
-
-
-
-static const char *lmemfind (const char *s1, size_t l1,
- const char *s2, size_t l2) {
- if (l2 == 0) return s1; /* empty strings are everywhere */
- else if (l2 > l1) return NULL; /* avoids a negative 'l1' */
- else {
- const char *init; /* to search for a '*s2' inside 's1' */
- l2--; /* 1st char will be checked by 'memchr' */
- l1 = l1-l2; /* 's2' cannot be found after that */
- while (l1 > 0 && (init = (const char *)memchr(s1, *s2, l1)) != NULL) {
- init++; /* 1st char is already checked */
- if (memcmp(init, s2+1, l2) == 0)
- return init-1;
- else { /* correct 'l1' and 's1' to try again */
- l1 -= init-s1;
- s1 = init;
- }
- }
- return NULL; /* not found */
- }
-}
-
-
-static void push_onecapture (MatchState *ms, int i, const char *s,
- const char *e) {
- if (i >= ms->level) {
- if (i == 0) /* ms->level == 0, too */
- lua_pushlstring(ms->L, s, e - s); /* add whole match */
- else
- luaL_error(ms->L, "invalid capture index %%%d", i + 1);
- }
- else {
- ptrdiff_t l = ms->capture[i].len;
- if (l == CAP_UNFINISHED) luaL_error(ms->L, "unfinished capture");
- if (l == CAP_POSITION)
- lua_pushinteger(ms->L, (ms->capture[i].init - ms->src_init) + 1);
- else
- lua_pushlstring(ms->L, ms->capture[i].init, l);
- }
-}
-
-
-static int push_captures (MatchState *ms, const char *s, const char *e) {
- int i;
- int nlevels = (ms->level == 0 && s) ? 1 : ms->level;
- luaL_checkstack(ms->L, nlevels, "too many captures");
- for (i = 0; i < nlevels; i++)
- push_onecapture(ms, i, s, e);
- return nlevels; /* number of strings pushed */
-}
-
-
-/* check whether pattern has no special characters */
-static int nospecials (const char *p, size_t l) {
- size_t upto = 0;
- do {
- if (strpbrk(p + upto, SPECIALS))
- return 0; /* pattern has a special character */
- upto += strlen(p + upto) + 1; /* may have more after \0 */
- } while (upto <= l);
- return 1; /* no special chars found */
-}
-
-
-static void prepstate (MatchState *ms, lua_State *L,
- const char *s, size_t ls, const char *p, size_t lp) {
- ms->L = L;
- ms->matchdepth = MAXCCALLS;
- ms->src_init = s;
- ms->src_end = s + ls;
- ms->p_end = p + lp;
-}
-
-
-static void reprepstate (MatchState *ms) {
- ms->level = 0;
- lua_assert(ms->matchdepth == MAXCCALLS);
-}
-
-
-static int str_find_aux (lua_State *L, int find) {
- size_t ls, lp;
- const char *s = luaL_checklstring(L, 1, &ls);
- const char *p = luaL_checklstring(L, 2, &lp);
- lua_Integer init = posrelat(luaL_optinteger(L, 3, 1), ls);
- if (init < 1) init = 1;
- else if (init > (lua_Integer)ls + 1) { /* start after string's end? */
- lua_pushnil(L); /* cannot find anything */
- return 1;
- }
- /* explicit request or no special characters? */
- if (find && (lua_toboolean(L, 4) || nospecials(p, lp))) {
- /* do a plain search */
- const char *s2 = lmemfind(s + init - 1, ls - (size_t)init + 1, p, lp);
- if (s2) {
- lua_pushinteger(L, (s2 - s) + 1);
- lua_pushinteger(L, (s2 - s) + lp);
- return 2;
- }
- }
- else {
- MatchState ms;
- const char *s1 = s + init - 1;
- int anchor = (*p == '^');
- if (anchor) {
- p++; lp--; /* skip anchor character */
- }
- prepstate(&ms, L, s, ls, p, lp);
- do {
- const char *res;
- reprepstate(&ms);
- if ((res=match(&ms, s1, p)) != NULL) {
- if (find) {
- lua_pushinteger(L, (s1 - s) + 1); /* start */
- lua_pushinteger(L, res - s); /* end */
- return push_captures(&ms, NULL, 0) + 2;
- }
- else
- return push_captures(&ms, s1, res);
- }
- } while (s1++ < ms.src_end && !anchor);
- }
- lua_pushnil(L); /* not found */
- return 1;
-}
-
-
-static int str_find (lua_State *L) {
- return str_find_aux(L, 1);
-}
-
-
-static int str_match (lua_State *L) {
- return str_find_aux(L, 0);
-}
-
-
-/* state for 'gmatch' */
-typedef struct GMatchState {
- const char *src; /* current position */
- const char *p; /* pattern */
- const char *lastmatch; /* end of last match */
- MatchState ms; /* match state */
-} GMatchState;
-
-
-static int gmatch_aux (lua_State *L) {
- GMatchState *gm = (GMatchState *)lua_touserdata(L, lua_upvalueindex(3));
- const char *src;
- gm->ms.L = L;
- for (src = gm->src; src <= gm->ms.src_end; src++) {
- const char *e;
- reprepstate(&gm->ms);
- if ((e = match(&gm->ms, src, gm->p)) != NULL && e != gm->lastmatch) {
- gm->src = gm->lastmatch = e;
- return push_captures(&gm->ms, src, e);
- }
- }
- return 0; /* not found */
-}
-
-
-static int gmatch (lua_State *L) {
- size_t ls, lp;
- const char *s = luaL_checklstring(L, 1, &ls);
- const char *p = luaL_checklstring(L, 2, &lp);
- GMatchState *gm;
- lua_settop(L, 2); /* keep them on closure to avoid being collected */
- gm = (GMatchState *)lua_newuserdata(L, sizeof(GMatchState));
- prepstate(&gm->ms, L, s, ls, p, lp);
- gm->src = s; gm->p = p; gm->lastmatch = NULL;
- lua_pushcclosure(L, gmatch_aux, 3);
- return 1;
-}
-
-
-static void add_s (MatchState *ms, luaL_Buffer *b, const char *s,
- const char *e) {
- size_t l, i;
- lua_State *L = ms->L;
- const char *news = lua_tolstring(L, 3, &l);
- for (i = 0; i < l; i++) {
- if (news[i] != L_ESC)
- luaL_addchar(b, news[i]);
- else {
- i++; /* skip ESC */
- if (!isdigit(uchar(news[i]))) {
- if (news[i] != L_ESC)
- luaL_error(L, "invalid use of '%c' in replacement string", L_ESC);
- luaL_addchar(b, news[i]);
- }
- else if (news[i] == '0')
- luaL_addlstring(b, s, e - s);
- else {
- push_onecapture(ms, news[i] - '1', s, e);
- luaL_tolstring(L, -1, NULL); /* if number, convert it to string */
- lua_remove(L, -2); /* remove original value */
- luaL_addvalue(b); /* add capture to accumulated result */
- }
- }
- }
-}
-
-
-static void add_value (MatchState *ms, luaL_Buffer *b, const char *s,
- const char *e, int tr) {
- lua_State *L = ms->L;
- switch (tr) {
- case LUA_TFUNCTION: {
- int n;
- lua_pushvalue(L, 3);
- n = push_captures(ms, s, e);
- lua_call(L, n, 1);
- break;
- }
- case LUA_TTABLE: {
- push_onecapture(ms, 0, s, e);
- lua_gettable(L, 3);
- break;
- }
- default: { /* LUA_TNUMBER or LUA_TSTRING */
- add_s(ms, b, s, e);
- return;
- }
- }
- if (!lua_toboolean(L, -1)) { /* nil or false? */
- lua_pop(L, 1);
- lua_pushlstring(L, s, e - s); /* keep original text */
- }
- else if (!lua_isstring(L, -1))
- luaL_error(L, "invalid replacement value (a %s)", luaL_typename(L, -1));
- luaL_addvalue(b); /* add result to accumulator */
-}
-
-
-static int str_gsub (lua_State *L) {
- size_t srcl, lp;
- const char *src = luaL_checklstring(L, 1, &srcl); /* subject */
- const char *p = luaL_checklstring(L, 2, &lp); /* pattern */
- const char *lastmatch = NULL; /* end of last match */
- int tr = lua_type(L, 3); /* replacement type */
- lua_Integer max_s = luaL_optinteger(L, 4, srcl + 1); /* max replacements */
- int anchor = (*p == '^');
- lua_Integer n = 0; /* replacement count */
- MatchState ms;
- luaL_Buffer b;
- luaL_argcheck(L, tr == LUA_TNUMBER || tr == LUA_TSTRING ||
- tr == LUA_TFUNCTION || tr == LUA_TTABLE, 3,
- "string/function/table expected");
- luaL_buffinit(L, &b);
- if (anchor) {
- p++; lp--; /* skip anchor character */
- }
- prepstate(&ms, L, src, srcl, p, lp);
- while (n < max_s) {
- const char *e;
- reprepstate(&ms); /* (re)prepare state for new match */
- if ((e = match(&ms, src, p)) != NULL && e != lastmatch) { /* match? */
- n++;
- add_value(&ms, &b, src, e, tr); /* add replacement to buffer */
- src = lastmatch = e;
- }
- else if (src < ms.src_end) /* otherwise, skip one character */
- luaL_addchar(&b, *src++);
- else break; /* end of subject */
- if (anchor) break;
- }
- luaL_addlstring(&b, src, ms.src_end-src);
- luaL_pushresult(&b);
- lua_pushinteger(L, n); /* number of substitutions */
- return 2;
-}
-
-/* }====================================================== */
-
-
-
-/*
-** {======================================================
-** STRING FORMAT
-** =======================================================
-*/
-
-#if !defined(lua_number2strx) /* { */
-
-/*
-** Hexadecimal floating-point formatter
-*/
-
-#include <math.h>
-
-#define SIZELENMOD (sizeof(LUA_NUMBER_FRMLEN)/sizeof(char))
-
-
-/*
-** Number of bits that goes into the first digit. It can be any value
-** between 1 and 4; the following definition tries to align the number
-** to nibble boundaries by making what is left after that first digit a
-** multiple of 4.
-*/
-#define L_NBFD ((l_mathlim(MANT_DIG) - 1)%4 + 1)
-
-
-/*
-** Add integer part of 'x' to buffer and return new 'x'
-*/
-static lua_Number adddigit (char *buff, int n, lua_Number x) {
- lua_Number dd = l_mathop(floor)(x); /* get integer part from 'x' */
- int d = (int)dd;
- buff[n] = (d < 10 ? d + '0' : d - 10 + 'a'); /* add to buffer */
- return x - dd; /* return what is left */
-}
-
-
-static int num2straux (char *buff, int sz, lua_Number x) {
- /* if 'inf' or 'NaN', format it like '%g' */
- if (x != x || x == (lua_Number)HUGE_VAL || x == -(lua_Number)HUGE_VAL)
- return l_sprintf(buff, sz, LUA_NUMBER_FMT, (LUAI_UACNUMBER)x);
- else if (x == 0) { /* can be -0... */
- /* create "0" or "-0" followed by exponent */
- return l_sprintf(buff, sz, LUA_NUMBER_FMT "x0p+0", (LUAI_UACNUMBER)x);
- }
- else {
- int e;
- lua_Number m = l_mathop(frexp)(x, &e); /* 'x' fraction and exponent */
- int n = 0; /* character count */
- if (m < 0) { /* is number negative? */
- buff[n++] = '-'; /* add signal */
- m = -m; /* make it positive */
- }
- buff[n++] = '0'; buff[n++] = 'x'; /* add "0x" */
- m = adddigit(buff, n++, m * (1 << L_NBFD)); /* add first digit */
- e -= L_NBFD; /* this digit goes before the radix point */
- if (m > 0) { /* more digits? */
- buff[n++] = lua_getlocaledecpoint(); /* add radix point */
- do { /* add as many digits as needed */
- m = adddigit(buff, n++, m * 16);
- } while (m > 0);
- }
- n += l_sprintf(buff + n, sz - n, "p%+d", e); /* add exponent */
- lua_assert(n < sz);
- return n;
- }
-}
-
-
-static int lua_number2strx (lua_State *L, char *buff, int sz,
- const char *fmt, lua_Number x) {
- int n = num2straux(buff, sz, x);
- if (fmt[SIZELENMOD] == 'A') {
- int i;
- for (i = 0; i < n; i++)
- buff[i] = toupper(uchar(buff[i]));
- }
- else if (fmt[SIZELENMOD] != 'a')
- return luaL_error(L, "modifiers for format '%%a'/'%%A' not implemented");
- return n;
-}
-
-#endif /* } */
-
-
-/*
-** Maximum size of each formatted item. This maximum size is produced
-** by format('%.99f', -maxfloat), and is equal to 99 + 3 ('-', '.',
-** and '\0') + number of decimal digits to represent maxfloat (which
-** is maximum exponent + 1). (99+3+1 then rounded to 120 for "extra
-** expenses", such as locale-dependent stuff)
-*/
-#define MAX_ITEM (120 + l_mathlim(MAX_10_EXP))
-
-
-/* valid flags in a format specification */
-#define FLAGS "-+ #0"
-
-/*
-** maximum size of each format specification (such as "%-099.99d")
-*/
-#define MAX_FORMAT 32
-
-
-static void addquoted (luaL_Buffer *b, const char *s, size_t len) {
- luaL_addchar(b, '"');
- while (len--) {
- if (*s == '"' || *s == '\\' || *s == '\n') {
- luaL_addchar(b, '\\');
- luaL_addchar(b, *s);
- }
- else if (iscntrl(uchar(*s))) {
- char buff[10];
- if (!isdigit(uchar(*(s+1))))
- l_sprintf(buff, sizeof(buff), "\\%d", (int)uchar(*s));
- else
- l_sprintf(buff, sizeof(buff), "\\%03d", (int)uchar(*s));
- luaL_addstring(b, buff);
- }
- else
- luaL_addchar(b, *s);
- s++;
- }
- luaL_addchar(b, '"');
-}
-
-
-/*
-** Ensures the 'buff' string uses a dot as the radix character.
-*/
-static void checkdp (char *buff, int nb) {
- if (memchr(buff, '.', nb) == NULL) { /* no dot? */
- char point = lua_getlocaledecpoint(); /* try locale point */
- char *ppoint = (char *)memchr(buff, point, nb);
- if (ppoint) *ppoint = '.'; /* change it to a dot */
- }
-}
-
-
-static void addliteral (lua_State *L, luaL_Buffer *b, int arg) {
- switch (lua_type(L, arg)) {
- case LUA_TSTRING: {
- size_t len;
- const char *s = lua_tolstring(L, arg, &len);
- addquoted(b, s, len);
- break;
- }
- case LUA_TNUMBER: {
- char *buff = luaL_prepbuffsize(b, MAX_ITEM);
- int nb;
- if (!lua_isinteger(L, arg)) { /* float? */
- lua_Number n = lua_tonumber(L, arg); /* write as hexa ('%a') */
- nb = lua_number2strx(L, buff, MAX_ITEM, "%" LUA_NUMBER_FRMLEN "a", n);
- checkdp(buff, nb); /* ensure it uses a dot */
- }
- else { /* integers */
- lua_Integer n = lua_tointeger(L, arg);
- const char *format = (n == LUA_MININTEGER) /* corner case? */
- ? "0x%" LUA_INTEGER_FRMLEN "x" /* use hexa */
- : LUA_INTEGER_FMT; /* else use default format */
- nb = l_sprintf(buff, MAX_ITEM, format, (LUAI_UACINT)n);
- }
- luaL_addsize(b, nb);
- break;
- }
- case LUA_TNIL: case LUA_TBOOLEAN: {
- luaL_tolstring(L, arg, NULL);
- luaL_addvalue(b);
- break;
- }
- default: {
- luaL_argerror(L, arg, "value has no literal form");
- }
- }
-}
-
-
-static const char *scanformat (lua_State *L, const char *strfrmt, char *form) {
- const char *p = strfrmt;
- while (*p != '\0' && strchr(FLAGS, *p) != NULL) p++; /* skip flags */
- if ((size_t)(p - strfrmt) >= sizeof(FLAGS)/sizeof(char))
- luaL_error(L, "invalid format (repeated flags)");
- if (isdigit(uchar(*p))) p++; /* skip width */
- if (isdigit(uchar(*p))) p++; /* (2 digits at most) */
- if (*p == '.') {
- p++;
- if (isdigit(uchar(*p))) p++; /* skip precision */
- if (isdigit(uchar(*p))) p++; /* (2 digits at most) */
- }
- if (isdigit(uchar(*p)))
- luaL_error(L, "invalid format (width or precision too long)");
- *(form++) = '%';
- memcpy(form, strfrmt, ((p - strfrmt) + 1) * sizeof(char));
- form += (p - strfrmt) + 1;
- *form = '\0';
- return p;
-}
-
-
-/*
-** add length modifier into formats
-*/
-static void addlenmod (char *form, const char *lenmod) {
- size_t l = strlen(form);
- size_t lm = strlen(lenmod);
- char spec = form[l - 1];
- strcpy(form + l - 1, lenmod);
- form[l + lm - 1] = spec;
- form[l + lm] = '\0';
-}
-
-
-static int str_format (lua_State *L) {
- int top = lua_gettop(L);
- int arg = 1;
- size_t sfl;
- const char *strfrmt = luaL_checklstring(L, arg, &sfl);
- const char *strfrmt_end = strfrmt+sfl;
- luaL_Buffer b;
- luaL_buffinit(L, &b);
- while (strfrmt < strfrmt_end) {
- if (*strfrmt != L_ESC)
- luaL_addchar(&b, *strfrmt++);
- else if (*++strfrmt == L_ESC)
- luaL_addchar(&b, *strfrmt++); /* %% */
- else { /* format item */
- char form[MAX_FORMAT]; /* to store the format ('%...') */
- char *buff = luaL_prepbuffsize(&b, MAX_ITEM); /* to put formatted item */
- int nb = 0; /* number of bytes in added item */
- if (++arg > top)
- luaL_argerror(L, arg, "no value");
- strfrmt = scanformat(L, strfrmt, form);
- switch (*strfrmt++) {
- case 'c': {
- nb = l_sprintf(buff, MAX_ITEM, form, (int)luaL_checkinteger(L, arg));
- break;
- }
- case 'd': case 'i':
- case 'o': case 'u': case 'x': case 'X': {
- lua_Integer n = luaL_checkinteger(L, arg);
- addlenmod(form, LUA_INTEGER_FRMLEN);
- nb = l_sprintf(buff, MAX_ITEM, form, (LUAI_UACINT)n);
- break;
- }
- case 'a': case 'A':
- addlenmod(form, LUA_NUMBER_FRMLEN);
- nb = lua_number2strx(L, buff, MAX_ITEM, form,
- luaL_checknumber(L, arg));
- break;
- case 'e': case 'E': case 'f':
- case 'g': case 'G': {
- lua_Number n = luaL_checknumber(L, arg);
- addlenmod(form, LUA_NUMBER_FRMLEN);
- nb = l_sprintf(buff, MAX_ITEM, form, (LUAI_UACNUMBER)n);
- break;
- }
- case 'q': {
- addliteral(L, &b, arg);
- break;
- }
- case 's': {
- size_t l;
- const char *s = luaL_tolstring(L, arg, &l);
- if (form[2] == '\0') /* no modifiers? */
- luaL_addvalue(&b); /* keep entire string */
- else {
- luaL_argcheck(L, l == strlen(s), arg, "string contains zeros");
- if (!strchr(form, '.') && l >= 100) {
- /* no precision and string is too long to be formatted */
- luaL_addvalue(&b); /* keep entire string */
- }
- else { /* format the string into 'buff' */
- nb = l_sprintf(buff, MAX_ITEM, form, s);
- lua_pop(L, 1); /* remove result from 'luaL_tolstring' */
- }
- }
- break;
- }
- default: { /* also treat cases 'pnLlh' */
- return luaL_error(L, "invalid option '%%%c' to 'format'",
- *(strfrmt - 1));
- }
- }
- lua_assert(nb < MAX_ITEM);
- luaL_addsize(&b, nb);
- }
- }
- luaL_pushresult(&b);
- return 1;
-}
-
-/* }====================================================== */
-
-
-/*
-** {======================================================
-** PACK/UNPACK
-** =======================================================
-*/
-
-
-/* value used for padding */
-#if !defined(LUAL_PACKPADBYTE)
-#define LUAL_PACKPADBYTE 0x00
-#endif
-
-/* maximum size for the binary representation of an integer */
-#define MAXINTSIZE 16
-
-/* number of bits in a character */
-#define NB CHAR_BIT
-
-/* mask for one character (NB 1's) */
-#define MC ((1 << NB) - 1)
-
-/* size of a lua_Integer */
-#define SZINT ((int)sizeof(lua_Integer))
-
-
-/* dummy union to get native endianness */
-static const union {
- int dummy;
- char little; /* true iff machine is little endian */
-} nativeendian = {1};
-
-
-/* dummy structure to get native alignment requirements */
-struct cD {
- char c;
- union { double d; void *p; lua_Integer i; lua_Number n; } u;
-};
-
-#define MAXALIGN (offsetof(struct cD, u))
-
-
-/*
-** Union for serializing floats
-*/
-typedef union Ftypes {
- float f;
- double d;
- lua_Number n;
- char buff[5 * sizeof(lua_Number)]; /* enough for any float type */
-} Ftypes;
-
-
-/*
-** information to pack/unpack stuff
-*/
-typedef struct Header {
- lua_State *L;
- int islittle;
- int maxalign;
-} Header;
-
-
-/*
-** options for pack/unpack
-*/
-typedef enum KOption {
- Kint, /* signed integers */
- Kuint, /* unsigned integers */
- Kfloat, /* floating-point numbers */
- Kchar, /* fixed-length strings */
- Kstring, /* strings with prefixed length */
- Kzstr, /* zero-terminated strings */
- Kpadding, /* padding */
- Kpaddalign, /* padding for alignment */
- Knop /* no-op (configuration or spaces) */
-} KOption;
-
-
-/*
-** Read an integer numeral from string 'fmt' or return 'df' if
-** there is no numeral
-*/
-static int digit (int c) { return '0' <= c && c <= '9'; }
-
-static int getnum (const char **fmt, int df) {
- if (!digit(**fmt)) /* no number? */
- return df; /* return default value */
- else {
- int a = 0;
- do {
- a = a*10 + (*((*fmt)++) - '0');
- } while (digit(**fmt) && a <= ((int)MAXSIZE - 9)/10);
- return a;
- }
-}
-
-
-/*
-** Read an integer numeral and raises an error if it is larger
-** than the maximum size for integers.
-*/
-static int getnumlimit (Header *h, const char **fmt, int df) {
- int sz = getnum(fmt, df);
- if (sz > MAXINTSIZE || sz <= 0)
- return luaL_error(h->L, "integral size (%d) out of limits [1,%d]",
- sz, MAXINTSIZE);
- return sz;
-}
-
-
-/*
-** Initialize Header
-*/
-static void initheader (lua_State *L, Header *h) {
- h->L = L;
- h->islittle = nativeendian.little;
- h->maxalign = 1;
-}
-
-
-/*
-** Read and classify next option. 'size' is filled with option's size.
-*/
-static KOption getoption (Header *h, const char **fmt, int *size) {
- int opt = *((*fmt)++);
- *size = 0; /* default */
- switch (opt) {
- case 'b': *size = sizeof(char); return Kint;
- case 'B': *size = sizeof(char); return Kuint;
- case 'h': *size = sizeof(short); return Kint;
- case 'H': *size = sizeof(short); return Kuint;
- case 'l': *size = sizeof(long); return Kint;
- case 'L': *size = sizeof(long); return Kuint;
- case 'j': *size = sizeof(lua_Integer); return Kint;
- case 'J': *size = sizeof(lua_Integer); return Kuint;
- case 'T': *size = sizeof(size_t); return Kuint;
- case 'f': *size = sizeof(float); return Kfloat;
- case 'd': *size = sizeof(double); return Kfloat;
- case 'n': *size = sizeof(lua_Number); return Kfloat;
- case 'i': *size = getnumlimit(h, fmt, sizeof(int)); return Kint;
- case 'I': *size = getnumlimit(h, fmt, sizeof(int)); return Kuint;
- case 's': *size = getnumlimit(h, fmt, sizeof(size_t)); return Kstring;
- case 'c':
- *size = getnum(fmt, -1);
- if (*size == -1)
- luaL_error(h->L, "missing size for format option 'c'");
- return Kchar;
- case 'z': return Kzstr;
- case 'x': *size = 1; return Kpadding;
- case 'X': return Kpaddalign;
- case ' ': break;
- case '<': h->islittle = 1; break;
- case '>': h->islittle = 0; break;
- case '=': h->islittle = nativeendian.little; break;
- case '!': h->maxalign = getnumlimit(h, fmt, MAXALIGN); break;
- default: luaL_error(h->L, "invalid format option '%c'", opt);
- }
- return Knop;
-}
-
-
-/*
-** Read, classify, and fill other details about the next option.
-** 'psize' is filled with option's size, 'notoalign' with its
-** alignment requirements.
-** Local variable 'size' gets the size to be aligned. (Kpadal option
-** always gets its full alignment, other options are limited by
-** the maximum alignment ('maxalign'). Kchar option needs no alignment
-** despite its size.
-*/
-static KOption getdetails (Header *h, size_t totalsize,
- const char **fmt, int *psize, int *ntoalign) {
- KOption opt = getoption(h, fmt, psize);
- int align = *psize; /* usually, alignment follows size */
- if (opt == Kpaddalign) { /* 'X' gets alignment from following option */
- if (**fmt == '\0' || getoption(h, fmt, &align) == Kchar || align == 0)
- luaL_argerror(h->L, 1, "invalid next option for option 'X'");
- }
- if (align <= 1 || opt == Kchar) /* need no alignment? */
- *ntoalign = 0;
- else {
- if (align > h->maxalign) /* enforce maximum alignment */
- align = h->maxalign;
- if ((align & (align - 1)) != 0) /* is 'align' not a power of 2? */
- luaL_argerror(h->L, 1, "format asks for alignment not power of 2");
- *ntoalign = (align - (int)(totalsize & (align - 1))) & (align - 1);
- }
- return opt;
-}
-
-
-/*
-** Pack integer 'n' with 'size' bytes and 'islittle' endianness.
-** The final 'if' handles the case when 'size' is larger than
-** the size of a Lua integer, correcting the extra sign-extension
-** bytes if necessary (by default they would be zeros).
-*/
-static void packint (luaL_Buffer *b, lua_Unsigned n,
- int islittle, int size, int neg) {
- char *buff = luaL_prepbuffsize(b, size);
- int i;
- buff[islittle ? 0 : size - 1] = (char)(n & MC); /* first byte */
- for (i = 1; i < size; i++) {
- n >>= NB;
- buff[islittle ? i : size - 1 - i] = (char)(n & MC);
- }
- if (neg && size > SZINT) { /* negative number need sign extension? */
- for (i = SZINT; i < size; i++) /* correct extra bytes */
- buff[islittle ? i : size - 1 - i] = (char)MC;
- }
- luaL_addsize(b, size); /* add result to buffer */
-}
-
-
-/*
-** Copy 'size' bytes from 'src' to 'dest', correcting endianness if
-** given 'islittle' is different from native endianness.
-*/
-static void copywithendian (volatile char *dest, volatile const char *src,
- int size, int islittle) {
- if (islittle == nativeendian.little) {
- while (size-- != 0)
- *(dest++) = *(src++);
- }
- else {
- dest += size - 1;
- while (size-- != 0)
- *(dest--) = *(src++);
- }
-}
-
-
-static int str_pack (lua_State *L) {
- luaL_Buffer b;
- Header h;
- const char *fmt = luaL_checkstring(L, 1); /* format string */
- int arg = 1; /* current argument to pack */
- size_t totalsize = 0; /* accumulate total size of result */
- initheader(L, &h);
- lua_pushnil(L); /* mark to separate arguments from string buffer */
- luaL_buffinit(L, &b);
- while (*fmt != '\0') {
- int size, ntoalign;
- KOption opt = getdetails(&h, totalsize, &fmt, &size, &ntoalign);
- totalsize += ntoalign + size;
- while (ntoalign-- > 0)
- luaL_addchar(&b, LUAL_PACKPADBYTE); /* fill alignment */
- arg++;
- switch (opt) {
- case Kint: { /* signed integers */
- lua_Integer n = luaL_checkinteger(L, arg);
- if (size < SZINT) { /* need overflow check? */
- lua_Integer lim = (lua_Integer)1 << ((size * NB) - 1);
- luaL_argcheck(L, -lim <= n && n < lim, arg, "integer overflow");
- }
- packint(&b, (lua_Unsigned)n, h.islittle, size, (n < 0));
- break;
- }
- case Kuint: { /* unsigned integers */
- lua_Integer n = luaL_checkinteger(L, arg);
- if (size < SZINT) /* need overflow check? */
- luaL_argcheck(L, (lua_Unsigned)n < ((lua_Unsigned)1 << (size * NB)),
- arg, "unsigned overflow");
- packint(&b, (lua_Unsigned)n, h.islittle, size, 0);
- break;
- }
- case Kfloat: { /* floating-point options */
- volatile Ftypes u;
- char *buff = luaL_prepbuffsize(&b, size);
- lua_Number n = luaL_checknumber(L, arg); /* get argument */
- if (size == sizeof(u.f)) u.f = (float)n; /* copy it into 'u' */
- else if (size == sizeof(u.d)) u.d = (double)n;
- else u.n = n;
- /* move 'u' to final result, correcting endianness if needed */
- copywithendian(buff, u.buff, size, h.islittle);
- luaL_addsize(&b, size);
- break;
- }
- case Kchar: { /* fixed-size string */
- size_t len;
- const char *s = luaL_checklstring(L, arg, &len);
- luaL_argcheck(L, len <= (size_t)size, arg,
- "string longer than given size");
- luaL_addlstring(&b, s, len); /* add string */
- while (len++ < (size_t)size) /* pad extra space */
- luaL_addchar(&b, LUAL_PACKPADBYTE);
- break;
- }
- case Kstring: { /* strings with length count */
- size_t len;
- const char *s = luaL_checklstring(L, arg, &len);
- luaL_argcheck(L, size >= (int)sizeof(size_t) ||
- len < ((size_t)1 << (size * NB)),
- arg, "string length does not fit in given size");
- packint(&b, (lua_Unsigned)len, h.islittle, size, 0); /* pack length */
- luaL_addlstring(&b, s, len);
- totalsize += len;
- break;
- }
- case Kzstr: { /* zero-terminated string */
- size_t len;
- const char *s = luaL_checklstring(L, arg, &len);
- luaL_argcheck(L, strlen(s) == len, arg, "string contains zeros");
- luaL_addlstring(&b, s, len);
- luaL_addchar(&b, '\0'); /* add zero at the end */
- totalsize += len + 1;
- break;
- }
- case Kpadding: luaL_addchar(&b, LUAL_PACKPADBYTE); /* FALLTHROUGH */
- case Kpaddalign: case Knop:
- arg--; /* undo increment */
- break;
- }
- }
- luaL_pushresult(&b);
- return 1;
-}
-
-
-static int str_packsize (lua_State *L) {
- Header h;
- const char *fmt = luaL_checkstring(L, 1); /* format string */
- size_t totalsize = 0; /* accumulate total size of result */
- initheader(L, &h);
- while (*fmt != '\0') {
- int size, ntoalign;
- KOption opt = getdetails(&h, totalsize, &fmt, &size, &ntoalign);
- size += ntoalign; /* total space used by option */
- luaL_argcheck(L, totalsize <= MAXSIZE - size, 1,
- "format result too large");
- totalsize += size;
- switch (opt) {
- case Kstring: /* strings with length count */
- case Kzstr: /* zero-terminated string */
- luaL_argerror(L, 1, "variable-length format");
- /* call never return, but to avoid warnings: *//* FALLTHROUGH */
- default: break;
- }
- }
- lua_pushinteger(L, (lua_Integer)totalsize);
- return 1;
-}
-
-
-/*
-** Unpack an integer with 'size' bytes and 'islittle' endianness.
-** If size is smaller than the size of a Lua integer and integer
-** is signed, must do sign extension (propagating the sign to the
-** higher bits); if size is larger than the size of a Lua integer,
-** it must check the unread bytes to see whether they do not cause an
-** overflow.
-*/
-static lua_Integer unpackint (lua_State *L, const char *str,
- int islittle, int size, int issigned) {
- lua_Unsigned res = 0;
- int i;
- int limit = (size <= SZINT) ? size : SZINT;
- for (i = limit - 1; i >= 0; i--) {
- res <<= NB;
- res |= (lua_Unsigned)(unsigned char)str[islittle ? i : size - 1 - i];
- }
- if (size < SZINT) { /* real size smaller than lua_Integer? */
- if (issigned) { /* needs sign extension? */
- lua_Unsigned mask = (lua_Unsigned)1 << (size*NB - 1);
- res = ((res ^ mask) - mask); /* do sign extension */
- }
- }
- else if (size > SZINT) { /* must check unread bytes */
- int mask = (!issigned || (lua_Integer)res >= 0) ? 0 : MC;
- for (i = limit; i < size; i++) {
- if ((unsigned char)str[islittle ? i : size - 1 - i] != mask)
- luaL_error(L, "%d-byte integer does not fit into Lua Integer", size);
- }
- }
- return (lua_Integer)res;
-}
-
-
-static int str_unpack (lua_State *L) {
- Header h;
- const char *fmt = luaL_checkstring(L, 1);
- size_t ld;
- const char *data = luaL_checklstring(L, 2, &ld);
- size_t pos = (size_t)posrelat(luaL_optinteger(L, 3, 1), ld) - 1;
- int n = 0; /* number of results */
- luaL_argcheck(L, pos <= ld, 3, "initial position out of string");
- initheader(L, &h);
- while (*fmt != '\0') {
- int size, ntoalign;
- KOption opt = getdetails(&h, pos, &fmt, &size, &ntoalign);
- if ((size_t)ntoalign + size > ~pos || pos + ntoalign + size > ld)
- luaL_argerror(L, 2, "data string too short");
- pos += ntoalign; /* skip alignment */
- /* stack space for item + next position */
- luaL_checkstack(L, 2, "too many results");
- n++;
- switch (opt) {
- case Kint:
- case Kuint: {
- lua_Integer res = unpackint(L, data + pos, h.islittle, size,
- (opt == Kint));
- lua_pushinteger(L, res);
- break;
- }
- case Kfloat: {
- volatile Ftypes u;
- lua_Number num;
- copywithendian(u.buff, data + pos, size, h.islittle);
- if (size == sizeof(u.f)) num = (lua_Number)u.f;
- else if (size == sizeof(u.d)) num = (lua_Number)u.d;
- else num = u.n;
- lua_pushnumber(L, num);
- break;
- }
- case Kchar: {
- lua_pushlstring(L, data + pos, size);
- break;
- }
- case Kstring: {
- size_t len = (size_t)unpackint(L, data + pos, h.islittle, size, 0);
- luaL_argcheck(L, pos + len + size <= ld, 2, "data string too short");
- lua_pushlstring(L, data + pos + size, len);
- pos += len; /* skip string */
- break;
- }
- case Kzstr: {
- size_t len = (int)strlen(data + pos);
- lua_pushlstring(L, data + pos, len);
- pos += len + 1; /* skip string plus final '\0' */
- break;
- }
- case Kpaddalign: case Kpadding: case Knop:
- n--; /* undo increment */
- break;
- }
- pos += size;
- }
- lua_pushinteger(L, pos + 1); /* next position */
- return n + 1;
-}
-
-/* }====================================================== */
-
-
-static const luaL_Reg strlib[] = {
- {"byte", str_byte},
- {"char", str_char},
- {"dump", str_dump},
- {"find", str_find},
- {"format", str_format},
- {"gmatch", gmatch},
- {"gsub", str_gsub},
- {"len", str_len},
- {"lower", str_lower},
- {"match", str_match},
- {"rep", str_rep},
- {"reverse", str_reverse},
- {"sub", str_sub},
- {"upper", str_upper},
- {"pack", str_pack},
- {"packsize", str_packsize},
- {"unpack", str_unpack},
- {NULL, NULL}
-};
-
-
-static void createmetatable (lua_State *L) {
- lua_createtable(L, 0, 1); /* table to be metatable for strings */
- lua_pushliteral(L, ""); /* dummy string */
- lua_pushvalue(L, -2); /* copy table */
- lua_setmetatable(L, -2); /* set table as metatable for strings */
- lua_pop(L, 1); /* pop dummy string */
- lua_pushvalue(L, -2); /* get string library */
- lua_setfield(L, -2, "__index"); /* metatable.__index = string */
- lua_pop(L, 1); /* pop metatable */
-}
-
-
-/*
-** Open string library
-*/
-LUAMOD_API int luaopen_string (lua_State *L) {
- luaL_newlib(L, strlib);
- createmetatable(L);
- return 1;
-}
-
diff --git a/Build/source/libs/lua53/lua53-src/src/ltable.c b/Build/source/libs/lua53/lua53-src/src/ltable.c
deleted file mode 100644
index ea4fe7fcb31..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/ltable.c
+++ /dev/null
@@ -1,688 +0,0 @@
-/*
-** $Id: ltable.c,v 2.118.1.4 2018/06/08 16:22:51 roberto Exp $
-** Lua tables (hash)
-** See Copyright Notice in lua.h
-*/
-
-#define ltable_c
-#define LUA_CORE
-
-#include "lprefix.h"
-
-
-/*
-** Implementation of tables (aka arrays, objects, or hash tables).
-** Tables keep its elements in two parts: an array part and a hash part.
-** Non-negative integer keys are all candidates to be kept in the array
-** part. The actual size of the array is the largest 'n' such that
-** more than half the slots between 1 and n are in use.
-** Hash uses a mix of chained scatter table with Brent's variation.
-** A main invariant of these tables is that, if an element is not
-** in its main position (i.e. the 'original' position that its hash gives
-** to it), then the colliding element is in its own main position.
-** Hence even when the load factor reaches 100%, performance remains good.
-*/
-
-#include <math.h>
-#include <limits.h>
-
-#include "lua.h"
-
-#include "ldebug.h"
-#include "ldo.h"
-#include "lgc.h"
-#include "lmem.h"
-#include "lobject.h"
-#include "lstate.h"
-#include "lstring.h"
-#include "ltable.h"
-#include "lvm.h"
-
-
-/*
-** Maximum size of array part (MAXASIZE) is 2^MAXABITS. MAXABITS is
-** the largest integer such that MAXASIZE fits in an unsigned int.
-*/
-#define MAXABITS cast_int(sizeof(int) * CHAR_BIT - 1)
-#define MAXASIZE (1u << MAXABITS)
-
-/*
-** Maximum size of hash part is 2^MAXHBITS. MAXHBITS is the largest
-** integer such that 2^MAXHBITS fits in a signed int. (Note that the
-** maximum number of elements in a table, 2^MAXABITS + 2^MAXHBITS, still
-** fits comfortably in an unsigned int.)
-*/
-#define MAXHBITS (MAXABITS - 1)
-
-
-#define hashpow2(t,n) (gnode(t, lmod((n), sizenode(t))))
-
-#define hashstr(t,str) hashpow2(t, (str)->hash)
-#define hashboolean(t,p) hashpow2(t, p)
-#define hashint(t,i) hashpow2(t, i)
-
-
-/*
-** for some types, it is better to avoid modulus by power of 2, as
-** they tend to have many 2 factors.
-*/
-#define hashmod(t,n) (gnode(t, ((n) % ((sizenode(t)-1)|1))))
-
-
-#define hashpointer(t,p) hashmod(t, point2uint(p))
-
-
-#define dummynode (&dummynode_)
-
-static const Node dummynode_ = {
- {NILCONSTANT}, /* value */
- {{NILCONSTANT, 0}} /* key */
-};
-
-
-/*
-** Hash for floating-point numbers.
-** The main computation should be just
-** n = frexp(n, &i); return (n * INT_MAX) + i
-** but there are some numerical subtleties.
-** In a two-complement representation, INT_MAX does not has an exact
-** representation as a float, but INT_MIN does; because the absolute
-** value of 'frexp' is smaller than 1 (unless 'n' is inf/NaN), the
-** absolute value of the product 'frexp * -INT_MIN' is smaller or equal
-** to INT_MAX. Next, the use of 'unsigned int' avoids overflows when
-** adding 'i'; the use of '~u' (instead of '-u') avoids problems with
-** INT_MIN.
-*/
-#if !defined(l_hashfloat)
-static int l_hashfloat (lua_Number n) {
- int i;
- lua_Integer ni;
- n = l_mathop(frexp)(n, &i) * -cast_num(INT_MIN);
- if (!lua_numbertointeger(n, &ni)) { /* is 'n' inf/-inf/NaN? */
- lua_assert(luai_numisnan(n) || l_mathop(fabs)(n) == cast_num(HUGE_VAL));
- return 0;
- }
- else { /* normal case */
- unsigned int u = cast(unsigned int, i) + cast(unsigned int, ni);
- return cast_int(u <= cast(unsigned int, INT_MAX) ? u : ~u);
- }
-}
-#endif
-
-
-/*
-** returns the 'main' position of an element in a table (that is, the index
-** of its hash value)
-*/
-static Node *mainposition (const Table *t, const TValue *key) {
- switch (ttype(key)) {
- case LUA_TNUMINT:
- return hashint(t, ivalue(key));
- case LUA_TNUMFLT:
- return hashmod(t, l_hashfloat(fltvalue(key)));
- case LUA_TSHRSTR:
- return hashstr(t, tsvalue(key));
- case LUA_TLNGSTR:
- return hashpow2(t, luaS_hashlongstr(tsvalue(key)));
- case LUA_TBOOLEAN:
- return hashboolean(t, bvalue(key));
- case LUA_TLIGHTUSERDATA:
- return hashpointer(t, pvalue(key));
- case LUA_TLCF:
- return hashpointer(t, fvalue(key));
- default:
- lua_assert(!ttisdeadkey(key));
- return hashpointer(t, gcvalue(key));
- }
-}
-
-
-/*
-** returns the index for 'key' if 'key' is an appropriate key to live in
-** the array part of the table, 0 otherwise.
-*/
-static unsigned int arrayindex (const TValue *key) {
- if (ttisinteger(key)) {
- lua_Integer k = ivalue(key);
- if (0 < k && (lua_Unsigned)k <= MAXASIZE)
- return cast(unsigned int, k); /* 'key' is an appropriate array index */
- }
- return 0; /* 'key' did not match some condition */
-}
-
-
-/*
-** returns the index of a 'key' for table traversals. First goes all
-** elements in the array part, then elements in the hash part. The
-** beginning of a traversal is signaled by 0.
-*/
-static unsigned int findindex (lua_State *L, Table *t, StkId key) {
- unsigned int i;
- if (ttisnil(key)) return 0; /* first iteration */
- i = arrayindex(key);
- if (i != 0 && i <= t->sizearray) /* is 'key' inside array part? */
- return i; /* yes; that's the index */
- else {
- int nx;
- Node *n = mainposition(t, key);
- for (;;) { /* check whether 'key' is somewhere in the chain */
- /* key may be dead already, but it is ok to use it in 'next' */
- if (luaV_rawequalobj(gkey(n), key) ||
- (ttisdeadkey(gkey(n)) && iscollectable(key) &&
- deadvalue(gkey(n)) == gcvalue(key))) {
- i = cast_int(n - gnode(t, 0)); /* key index in hash table */
- /* hash elements are numbered after array ones */
- return (i + 1) + t->sizearray;
- }
- nx = gnext(n);
- if (nx == 0)
- luaG_runerror(L, "invalid key to 'next'"); /* key not found */
- else n += nx;
- }
- }
-}
-
-
-int luaH_next (lua_State *L, Table *t, StkId key) {
- unsigned int i = findindex(L, t, key); /* find original element */
- for (; i < t->sizearray; i++) { /* try first array part */
- if (!ttisnil(&t->array[i])) { /* a non-nil value? */
- setivalue(key, i + 1);
- setobj2s(L, key+1, &t->array[i]);
- return 1;
- }
- }
- for (i -= t->sizearray; cast_int(i) < sizenode(t); i++) { /* hash part */
- if (!ttisnil(gval(gnode(t, i)))) { /* a non-nil value? */
- setobj2s(L, key, gkey(gnode(t, i)));
- setobj2s(L, key+1, gval(gnode(t, i)));
- return 1;
- }
- }
- return 0; /* no more elements */
-}
-
-
-/*
-** {=============================================================
-** Rehash
-** ==============================================================
-*/
-
-/*
-** Compute the optimal size for the array part of table 't'. 'nums' is a
-** "count array" where 'nums[i]' is the number of integers in the table
-** between 2^(i - 1) + 1 and 2^i. 'pna' enters with the total number of
-** integer keys in the table and leaves with the number of keys that
-** will go to the array part; return the optimal size.
-*/
-static unsigned int computesizes (unsigned int nums[], unsigned int *pna) {
- int i;
- unsigned int twotoi; /* 2^i (candidate for optimal size) */
- unsigned int a = 0; /* number of elements smaller than 2^i */
- unsigned int na = 0; /* number of elements to go to array part */
- unsigned int optimal = 0; /* optimal size for array part */
- /* loop while keys can fill more than half of total size */
- for (i = 0, twotoi = 1;
- twotoi > 0 && *pna > twotoi / 2;
- i++, twotoi *= 2) {
- if (nums[i] > 0) {
- a += nums[i];
- if (a > twotoi/2) { /* more than half elements present? */
- optimal = twotoi; /* optimal size (till now) */
- na = a; /* all elements up to 'optimal' will go to array part */
- }
- }
- }
- lua_assert((optimal == 0 || optimal / 2 < na) && na <= optimal);
- *pna = na;
- return optimal;
-}
-
-
-static int countint (const TValue *key, unsigned int *nums) {
- unsigned int k = arrayindex(key);
- if (k != 0) { /* is 'key' an appropriate array index? */
- nums[luaO_ceillog2(k)]++; /* count as such */
- return 1;
- }
- else
- return 0;
-}
-
-
-/*
-** Count keys in array part of table 't': Fill 'nums[i]' with
-** number of keys that will go into corresponding slice and return
-** total number of non-nil keys.
-*/
-static unsigned int numusearray (const Table *t, unsigned int *nums) {
- int lg;
- unsigned int ttlg; /* 2^lg */
- unsigned int ause = 0; /* summation of 'nums' */
- unsigned int i = 1; /* count to traverse all array keys */
- /* traverse each slice */
- for (lg = 0, ttlg = 1; lg <= MAXABITS; lg++, ttlg *= 2) {
- unsigned int lc = 0; /* counter */
- unsigned int lim = ttlg;
- if (lim > t->sizearray) {
- lim = t->sizearray; /* adjust upper limit */
- if (i > lim)
- break; /* no more elements to count */
- }
- /* count elements in range (2^(lg - 1), 2^lg] */
- for (; i <= lim; i++) {
- if (!ttisnil(&t->array[i-1]))
- lc++;
- }
- nums[lg] += lc;
- ause += lc;
- }
- return ause;
-}
-
-
-static int numusehash (const Table *t, unsigned int *nums, unsigned int *pna) {
- int totaluse = 0; /* total number of elements */
- int ause = 0; /* elements added to 'nums' (can go to array part) */
- int i = sizenode(t);
- while (i--) {
- Node *n = &t->node[i];
- if (!ttisnil(gval(n))) {
- ause += countint(gkey(n), nums);
- totaluse++;
- }
- }
- *pna += ause;
- return totaluse;
-}
-
-
-static void setarrayvector (lua_State *L, Table *t, unsigned int size) {
- unsigned int i;
- luaM_reallocvector(L, t->array, t->sizearray, size, TValue);
- for (i=t->sizearray; i<size; i++)
- setnilvalue(&t->array[i]);
- t->sizearray = size;
-}
-
-
-static void setnodevector (lua_State *L, Table *t, unsigned int size) {
- if (size == 0) { /* no elements to hash part? */
- t->node = cast(Node *, dummynode); /* use common 'dummynode' */
- t->lsizenode = 0;
- t->lastfree = NULL; /* signal that it is using dummy node */
- }
- else {
- int i;
- int lsize = luaO_ceillog2(size);
- if (lsize > MAXHBITS)
- luaG_runerror(L, "table overflow");
- size = twoto(lsize);
- t->node = luaM_newvector(L, size, Node);
- for (i = 0; i < (int)size; i++) {
- Node *n = gnode(t, i);
- gnext(n) = 0;
- setnilvalue(wgkey(n));
- setnilvalue(gval(n));
- }
- t->lsizenode = cast_byte(lsize);
- t->lastfree = gnode(t, size); /* all positions are free */
- }
-}
-
-
-typedef struct {
- Table *t;
- unsigned int nhsize;
-} AuxsetnodeT;
-
-
-static void auxsetnode (lua_State *L, void *ud) {
- AuxsetnodeT *asn = cast(AuxsetnodeT *, ud);
- setnodevector(L, asn->t, asn->nhsize);
-}
-
-
-void luaH_resize (lua_State *L, Table *t, unsigned int nasize,
- unsigned int nhsize) {
- unsigned int i;
- int j;
- AuxsetnodeT asn;
- unsigned int oldasize = t->sizearray;
- int oldhsize = allocsizenode(t);
- Node *nold = t->node; /* save old hash ... */
- if (nasize > oldasize) /* array part must grow? */
- setarrayvector(L, t, nasize);
- /* create new hash part with appropriate size */
- asn.t = t; asn.nhsize = nhsize;
- if (luaD_rawrunprotected(L, auxsetnode, &asn) != LUA_OK) { /* mem. error? */
- setarrayvector(L, t, oldasize); /* array back to its original size */
- luaD_throw(L, LUA_ERRMEM); /* rethrow memory error */
- }
- if (nasize < oldasize) { /* array part must shrink? */
- t->sizearray = nasize;
- /* re-insert elements from vanishing slice */
- for (i=nasize; i<oldasize; i++) {
- if (!ttisnil(&t->array[i]))
- luaH_setint(L, t, i + 1, &t->array[i]);
- }
- /* shrink array */
- luaM_reallocvector(L, t->array, oldasize, nasize, TValue);
- }
- /* re-insert elements from hash part */
- for (j = oldhsize - 1; j >= 0; j--) {
- Node *old = nold + j;
- if (!ttisnil(gval(old))) {
- /* doesn't need barrier/invalidate cache, as entry was
- already present in the table */
- setobjt2t(L, luaH_set(L, t, gkey(old)), gval(old));
- }
- }
- if (oldhsize > 0) /* not the dummy node? */
- luaM_freearray(L, nold, cast(size_t, oldhsize)); /* free old hash */
-}
-
-
-void luaH_resizearray (lua_State *L, Table *t, unsigned int nasize) {
- int nsize = allocsizenode(t);
- luaH_resize(L, t, nasize, nsize);
-}
-
-/*
-** nums[i] = number of keys 'k' where 2^(i - 1) < k <= 2^i
-*/
-static void rehash (lua_State *L, Table *t, const TValue *ek) {
- unsigned int asize; /* optimal size for array part */
- unsigned int na; /* number of keys in the array part */
- unsigned int nums[MAXABITS + 1];
- int i;
- int totaluse;
- for (i = 0; i <= MAXABITS; i++) nums[i] = 0; /* reset counts */
- na = numusearray(t, nums); /* count keys in array part */
- totaluse = na; /* all those keys are integer keys */
- totaluse += numusehash(t, nums, &na); /* count keys in hash part */
- /* count extra key */
- na += countint(ek, nums);
- totaluse++;
- /* compute new size for array part */
- asize = computesizes(nums, &na);
- /* resize the table to new computed sizes */
- luaH_resize(L, t, asize, totaluse - na);
-}
-
-
-
-/*
-** }=============================================================
-*/
-
-
-Table *luaH_new (lua_State *L) {
- GCObject *o = luaC_newobj(L, LUA_TTABLE, sizeof(Table));
- Table *t = gco2t(o);
- t->metatable = NULL;
- t->flags = cast_byte(~0);
- t->array = NULL;
- t->sizearray = 0;
- setnodevector(L, t, 0);
- return t;
-}
-
-
-void luaH_free (lua_State *L, Table *t) {
- if (!isdummy(t))
- luaM_freearray(L, t->node, cast(size_t, sizenode(t)));
- luaM_freearray(L, t->array, t->sizearray);
- luaM_free(L, t);
-}
-
-
-static Node *getfreepos (Table *t) {
- if (!isdummy(t)) {
- while (t->lastfree > t->node) {
- t->lastfree--;
- if (ttisnil(gkey(t->lastfree)))
- return t->lastfree;
- }
- }
- return NULL; /* could not find a free place */
-}
-
-
-
-/*
-** inserts a new key into a hash table; first, check whether key's main
-** position is free. If not, check whether colliding node is in its main
-** position or not: if it is not, move colliding node to an empty place and
-** put new key in its main position; otherwise (colliding node is in its main
-** position), new key goes to an empty position.
-*/
-TValue *luaH_newkey (lua_State *L, Table *t, const TValue *key) {
- Node *mp;
- TValue aux;
- if (ttisnil(key)) luaG_runerror(L, "table index is nil");
- else if (ttisfloat(key)) {
- lua_Integer k;
- if (luaV_tointeger(key, &k, 0)) { /* does index fit in an integer? */
- setivalue(&aux, k);
- key = &aux; /* insert it as an integer */
- }
- else if (luai_numisnan(fltvalue(key)))
- luaG_runerror(L, "table index is NaN");
- }
- mp = mainposition(t, key);
- if (!ttisnil(gval(mp)) || isdummy(t)) { /* main position is taken? */
- Node *othern;
- Node *f = getfreepos(t); /* get a free place */
- if (f == NULL) { /* cannot find a free place? */
- rehash(L, t, key); /* grow table */
- /* whatever called 'newkey' takes care of TM cache */
- return luaH_set(L, t, key); /* insert key into grown table */
- }
- lua_assert(!isdummy(t));
- othern = mainposition(t, gkey(mp));
- if (othern != mp) { /* is colliding node out of its main position? */
- /* yes; move colliding node into free position */
- while (othern + gnext(othern) != mp) /* find previous */
- othern += gnext(othern);
- gnext(othern) = cast_int(f - othern); /* rechain to point to 'f' */
- *f = *mp; /* copy colliding node into free pos. (mp->next also goes) */
- if (gnext(mp) != 0) {
- gnext(f) += cast_int(mp - f); /* correct 'next' */
- gnext(mp) = 0; /* now 'mp' is free */
- }
- setnilvalue(gval(mp));
- }
- else { /* colliding node is in its own main position */
- /* new node will go into free position */
- if (gnext(mp) != 0)
- gnext(f) = cast_int((mp + gnext(mp)) - f); /* chain new position */
- else lua_assert(gnext(f) == 0);
- gnext(mp) = cast_int(f - mp);
- mp = f;
- }
- }
- setnodekey(L, &mp->i_key, key);
- luaC_barrierback(L, t, key);
- lua_assert(ttisnil(gval(mp)));
- return gval(mp);
-}
-
-
-/*
-** search function for integers
-*/
-const TValue *luaH_getint (Table *t, lua_Integer key) {
- /* (1 <= key && key <= t->sizearray) */
- if (l_castS2U(key) - 1 < t->sizearray)
- return &t->array[key - 1];
- else {
- Node *n = hashint(t, key);
- for (;;) { /* check whether 'key' is somewhere in the chain */
- if (ttisinteger(gkey(n)) && ivalue(gkey(n)) == key)
- return gval(n); /* that's it */
- else {
- int nx = gnext(n);
- if (nx == 0) break;
- n += nx;
- }
- }
- return luaO_nilobject;
- }
-}
-
-
-/*
-** search function for short strings
-*/
-const TValue *luaH_getshortstr (Table *t, TString *key) {
- Node *n = hashstr(t, key);
- lua_assert(key->tt == LUA_TSHRSTR);
- for (;;) { /* check whether 'key' is somewhere in the chain */
- const TValue *k = gkey(n);
- if (ttisshrstring(k) && eqshrstr(tsvalue(k), key))
- return gval(n); /* that's it */
- else {
- int nx = gnext(n);
- if (nx == 0)
- return luaO_nilobject; /* not found */
- n += nx;
- }
- }
-}
-
-
-/*
-** "Generic" get version. (Not that generic: not valid for integers,
-** which may be in array part, nor for floats with integral values.)
-*/
-static const TValue *getgeneric (Table *t, const TValue *key) {
- Node *n = mainposition(t, key);
- for (;;) { /* check whether 'key' is somewhere in the chain */
- if (luaV_rawequalobj(gkey(n), key))
- return gval(n); /* that's it */
- else {
- int nx = gnext(n);
- if (nx == 0)
- return luaO_nilobject; /* not found */
- n += nx;
- }
- }
-}
-
-
-const TValue *luaH_getstr (Table *t, TString *key) {
- if (key->tt == LUA_TSHRSTR)
- return luaH_getshortstr(t, key);
- else { /* for long strings, use generic case */
- TValue ko;
- setsvalue(cast(lua_State *, NULL), &ko, key);
- return getgeneric(t, &ko);
- }
-}
-
-
-/*
-** main search function
-*/
-const TValue *luaH_get (Table *t, const TValue *key) {
- switch (ttype(key)) {
- case LUA_TSHRSTR: return luaH_getshortstr(t, tsvalue(key));
- case LUA_TNUMINT: return luaH_getint(t, ivalue(key));
- case LUA_TNIL: return luaO_nilobject;
- case LUA_TNUMFLT: {
- lua_Integer k;
- if (luaV_tointeger(key, &k, 0)) /* index is int? */
- return luaH_getint(t, k); /* use specialized version */
- /* else... */
- } /* FALLTHROUGH */
- default:
- return getgeneric(t, key);
- }
-}
-
-
-/*
-** beware: when using this function you probably need to check a GC
-** barrier and invalidate the TM cache.
-*/
-TValue *luaH_set (lua_State *L, Table *t, const TValue *key) {
- const TValue *p = luaH_get(t, key);
- if (p != luaO_nilobject)
- return cast(TValue *, p);
- else return luaH_newkey(L, t, key);
-}
-
-
-void luaH_setint (lua_State *L, Table *t, lua_Integer key, TValue *value) {
- const TValue *p = luaH_getint(t, key);
- TValue *cell;
- if (p != luaO_nilobject)
- cell = cast(TValue *, p);
- else {
- TValue k;
- setivalue(&k, key);
- cell = luaH_newkey(L, t, &k);
- }
- setobj2t(L, cell, value);
-}
-
-
-static lua_Unsigned unbound_search (Table *t, lua_Unsigned j) {
- lua_Unsigned i = j; /* i is zero or a present index */
- j++;
- /* find 'i' and 'j' such that i is present and j is not */
- while (!ttisnil(luaH_getint(t, j))) {
- i = j;
- if (j > l_castS2U(LUA_MAXINTEGER) / 2) { /* overflow? */
- /* table was built with bad purposes: resort to linear search */
- i = 1;
- while (!ttisnil(luaH_getint(t, i))) i++;
- return i - 1;
- }
- j *= 2;
- }
- /* now do a binary search between them */
- while (j - i > 1) {
- lua_Unsigned m = (i+j)/2;
- if (ttisnil(luaH_getint(t, m))) j = m;
- else i = m;
- }
- return i;
-}
-
-
-/*
-** Try to find a boundary in table 't'. A 'boundary' is an integer index
-** such that t[i] is non-nil and t[i+1] is nil (and 0 if t[1] is nil).
-*/
-lua_Unsigned luaH_getn (Table *t) {
- unsigned int j = t->sizearray;
- if (j > 0 && ttisnil(&t->array[j - 1])) {
- /* there is a boundary in the array part: (binary) search for it */
- unsigned int i = 0;
- while (j - i > 1) {
- unsigned int m = (i+j)/2;
- if (ttisnil(&t->array[m - 1])) j = m;
- else i = m;
- }
- return i;
- }
- /* else must find a boundary in hash part */
- else if (isdummy(t)) /* hash part is empty? */
- return j; /* that is easy... */
- else return unbound_search(t, j);
-}
-
-
-
-#if defined(LUA_DEBUG)
-
-Node *luaH_mainposition (const Table *t, const TValue *key) {
- return mainposition(t, key);
-}
-
-int luaH_isdummy (const Table *t) { return isdummy(t); }
-
-#endif
diff --git a/Build/source/libs/lua53/lua53-src/src/ltable.h b/Build/source/libs/lua53/lua53-src/src/ltable.h
deleted file mode 100644
index 92db0ac7bf1..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/ltable.h
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
-** $Id: ltable.h,v 2.23.1.2 2018/05/24 19:39:05 roberto Exp $
-** Lua tables (hash)
-** See Copyright Notice in lua.h
-*/
-
-#ifndef ltable_h
-#define ltable_h
-
-#include "lobject.h"
-
-
-#define gnode(t,i) (&(t)->node[i])
-#define gval(n) (&(n)->i_val)
-#define gnext(n) ((n)->i_key.nk.next)
-
-
-/* 'const' to avoid wrong writings that can mess up field 'next' */
-#define gkey(n) cast(const TValue*, (&(n)->i_key.tvk))
-
-/*
-** writable version of 'gkey'; allows updates to individual fields,
-** but not to the whole (which has incompatible type)
-*/
-#define wgkey(n) (&(n)->i_key.nk)
-
-#define invalidateTMcache(t) ((t)->flags = 0)
-
-
-/* true when 't' is using 'dummynode' as its hash part */
-#define isdummy(t) ((t)->lastfree == NULL)
-
-
-/* allocated size for hash nodes */
-#define allocsizenode(t) (isdummy(t) ? 0 : sizenode(t))
-
-
-/* returns the key, given the value of a table entry */
-#define keyfromval(v) \
- (gkey(cast(Node *, cast(char *, (v)) - offsetof(Node, i_val))))
-
-
-LUAI_FUNC const TValue *luaH_getint (Table *t, lua_Integer key);
-LUAI_FUNC void luaH_setint (lua_State *L, Table *t, lua_Integer key,
- TValue *value);
-LUAI_FUNC const TValue *luaH_getshortstr (Table *t, TString *key);
-LUAI_FUNC const TValue *luaH_getstr (Table *t, TString *key);
-LUAI_FUNC const TValue *luaH_get (Table *t, const TValue *key);
-LUAI_FUNC TValue *luaH_newkey (lua_State *L, Table *t, const TValue *key);
-LUAI_FUNC TValue *luaH_set (lua_State *L, Table *t, const TValue *key);
-LUAI_FUNC Table *luaH_new (lua_State *L);
-LUAI_FUNC void luaH_resize (lua_State *L, Table *t, unsigned int nasize,
- unsigned int nhsize);
-LUAI_FUNC void luaH_resizearray (lua_State *L, Table *t, unsigned int nasize);
-LUAI_FUNC void luaH_free (lua_State *L, Table *t);
-LUAI_FUNC int luaH_next (lua_State *L, Table *t, StkId key);
-LUAI_FUNC lua_Unsigned luaH_getn (Table *t);
-
-
-#if defined(LUA_DEBUG)
-LUAI_FUNC Node *luaH_mainposition (const Table *t, const TValue *key);
-LUAI_FUNC int luaH_isdummy (const Table *t);
-#endif
-
-
-#endif
diff --git a/Build/source/libs/lua53/lua53-src/src/ltablib.c b/Build/source/libs/lua53/lua53-src/src/ltablib.c
deleted file mode 100644
index c5349578ec7..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/ltablib.c
+++ /dev/null
@@ -1,450 +0,0 @@
-/*
-** $Id: ltablib.c,v 1.93.1.1 2017/04/19 17:20:42 roberto Exp $
-** Library for Table Manipulation
-** See Copyright Notice in lua.h
-*/
-
-#define ltablib_c
-#define LUA_LIB
-
-#include "lprefix.h"
-
-
-#include <limits.h>
-#include <stddef.h>
-#include <string.h>
-
-#include "lua.h"
-
-#include "lauxlib.h"
-#include "lualib.h"
-
-
-/*
-** Operations that an object must define to mimic a table
-** (some functions only need some of them)
-*/
-#define TAB_R 1 /* read */
-#define TAB_W 2 /* write */
-#define TAB_L 4 /* length */
-#define TAB_RW (TAB_R | TAB_W) /* read/write */
-
-
-#define aux_getn(L,n,w) (checktab(L, n, (w) | TAB_L), luaL_len(L, n))
-
-
-static int checkfield (lua_State *L, const char *key, int n) {
- lua_pushstring(L, key);
- return (lua_rawget(L, -n) != LUA_TNIL);
-}
-
-
-/*
-** Check that 'arg' either is a table or can behave like one (that is,
-** has a metatable with the required metamethods)
-*/
-static void checktab (lua_State *L, int arg, int what) {
- if (lua_type(L, arg) != LUA_TTABLE) { /* is it not a table? */
- int n = 1; /* number of elements to pop */
- if (lua_getmetatable(L, arg) && /* must have metatable */
- (!(what & TAB_R) || checkfield(L, "__index", ++n)) &&
- (!(what & TAB_W) || checkfield(L, "__newindex", ++n)) &&
- (!(what & TAB_L) || checkfield(L, "__len", ++n))) {
- lua_pop(L, n); /* pop metatable and tested metamethods */
- }
- else
- luaL_checktype(L, arg, LUA_TTABLE); /* force an error */
- }
-}
-
-
-#if defined(LUA_COMPAT_MAXN)
-static int maxn (lua_State *L) {
- lua_Number max = 0;
- luaL_checktype(L, 1, LUA_TTABLE);
- lua_pushnil(L); /* first key */
- while (lua_next(L, 1)) {
- lua_pop(L, 1); /* remove value */
- if (lua_type(L, -1) == LUA_TNUMBER) {
- lua_Number v = lua_tonumber(L, -1);
- if (v > max) max = v;
- }
- }
- lua_pushnumber(L, max);
- return 1;
-}
-#endif
-
-
-static int tinsert (lua_State *L) {
- lua_Integer e = aux_getn(L, 1, TAB_RW) + 1; /* first empty element */
- lua_Integer pos; /* where to insert new element */
- switch (lua_gettop(L)) {
- case 2: { /* called with only 2 arguments */
- pos = e; /* insert new element at the end */
- break;
- }
- case 3: {
- lua_Integer i;
- pos = luaL_checkinteger(L, 2); /* 2nd argument is the position */
- luaL_argcheck(L, 1 <= pos && pos <= e, 2, "position out of bounds");
- for (i = e; i > pos; i--) { /* move up elements */
- lua_geti(L, 1, i - 1);
- lua_seti(L, 1, i); /* t[i] = t[i - 1] */
- }
- break;
- }
- default: {
- return luaL_error(L, "wrong number of arguments to 'insert'");
- }
- }
- lua_seti(L, 1, pos); /* t[pos] = v */
- return 0;
-}
-
-
-static int tremove (lua_State *L) {
- lua_Integer size = aux_getn(L, 1, TAB_RW);
- lua_Integer pos = luaL_optinteger(L, 2, size);
- if (pos != size) /* validate 'pos' if given */
- luaL_argcheck(L, 1 <= pos && pos <= size + 1, 1, "position out of bounds");
- lua_geti(L, 1, pos); /* result = t[pos] */
- for ( ; pos < size; pos++) {
- lua_geti(L, 1, pos + 1);
- lua_seti(L, 1, pos); /* t[pos] = t[pos + 1] */
- }
- lua_pushnil(L);
- lua_seti(L, 1, pos); /* t[pos] = nil */
- return 1;
-}
-
-
-/*
-** Copy elements (1[f], ..., 1[e]) into (tt[t], tt[t+1], ...). Whenever
-** possible, copy in increasing order, which is better for rehashing.
-** "possible" means destination after original range, or smaller
-** than origin, or copying to another table.
-*/
-static int tmove (lua_State *L) {
- lua_Integer f = luaL_checkinteger(L, 2);
- lua_Integer e = luaL_checkinteger(L, 3);
- lua_Integer t = luaL_checkinteger(L, 4);
- int tt = !lua_isnoneornil(L, 5) ? 5 : 1; /* destination table */
- checktab(L, 1, TAB_R);
- checktab(L, tt, TAB_W);
- if (e >= f) { /* otherwise, nothing to move */
- lua_Integer n, i;
- luaL_argcheck(L, f > 0 || e < LUA_MAXINTEGER + f, 3,
- "too many elements to move");
- n = e - f + 1; /* number of elements to move */
- luaL_argcheck(L, t <= LUA_MAXINTEGER - n + 1, 4,
- "destination wrap around");
- if (t > e || t <= f || (tt != 1 && !lua_compare(L, 1, tt, LUA_OPEQ))) {
- for (i = 0; i < n; i++) {
- lua_geti(L, 1, f + i);
- lua_seti(L, tt, t + i);
- }
- }
- else {
- for (i = n - 1; i >= 0; i--) {
- lua_geti(L, 1, f + i);
- lua_seti(L, tt, t + i);
- }
- }
- }
- lua_pushvalue(L, tt); /* return destination table */
- return 1;
-}
-
-
-static void addfield (lua_State *L, luaL_Buffer *b, lua_Integer i) {
- lua_geti(L, 1, i);
- if (!lua_isstring(L, -1))
- luaL_error(L, "invalid value (%s) at index %d in table for 'concat'",
- luaL_typename(L, -1), i);
- luaL_addvalue(b);
-}
-
-
-static int tconcat (lua_State *L) {
- luaL_Buffer b;
- lua_Integer last = aux_getn(L, 1, TAB_R);
- size_t lsep;
- const char *sep = luaL_optlstring(L, 2, "", &lsep);
- lua_Integer i = luaL_optinteger(L, 3, 1);
- last = luaL_optinteger(L, 4, last);
- luaL_buffinit(L, &b);
- for (; i < last; i++) {
- addfield(L, &b, i);
- luaL_addlstring(&b, sep, lsep);
- }
- if (i == last) /* add last value (if interval was not empty) */
- addfield(L, &b, i);
- luaL_pushresult(&b);
- return 1;
-}
-
-
-/*
-** {======================================================
-** Pack/unpack
-** =======================================================
-*/
-
-static int pack (lua_State *L) {
- int i;
- int n = lua_gettop(L); /* number of elements to pack */
- lua_createtable(L, n, 1); /* create result table */
- lua_insert(L, 1); /* put it at index 1 */
- for (i = n; i >= 1; i--) /* assign elements */
- lua_seti(L, 1, i);
- lua_pushinteger(L, n);
- lua_setfield(L, 1, "n"); /* t.n = number of elements */
- return 1; /* return table */
-}
-
-
-static int unpack (lua_State *L) {
- lua_Unsigned n;
- lua_Integer i = luaL_optinteger(L, 2, 1);
- lua_Integer e = luaL_opt(L, luaL_checkinteger, 3, luaL_len(L, 1));
- if (i > e) return 0; /* empty range */
- n = (lua_Unsigned)e - i; /* number of elements minus 1 (avoid overflows) */
- if (n >= (unsigned int)INT_MAX || !lua_checkstack(L, (int)(++n)))
- return luaL_error(L, "too many results to unpack");
- for (; i < e; i++) { /* push arg[i..e - 1] (to avoid overflows) */
- lua_geti(L, 1, i);
- }
- lua_geti(L, 1, e); /* push last element */
- return (int)n;
-}
-
-/* }====================================================== */
-
-
-
-/*
-** {======================================================
-** Quicksort
-** (based on 'Algorithms in MODULA-3', Robert Sedgewick;
-** Addison-Wesley, 1993.)
-** =======================================================
-*/
-
-
-/* type for array indices */
-typedef unsigned int IdxT;
-
-
-/*
-** Produce a "random" 'unsigned int' to randomize pivot choice. This
-** macro is used only when 'sort' detects a big imbalance in the result
-** of a partition. (If you don't want/need this "randomness", ~0 is a
-** good choice.)
-*/
-#if !defined(l_randomizePivot) /* { */
-
-#include <time.h>
-
-/* size of 'e' measured in number of 'unsigned int's */
-#define sof(e) (sizeof(e) / sizeof(unsigned int))
-
-/*
-** Use 'time' and 'clock' as sources of "randomness". Because we don't
-** know the types 'clock_t' and 'time_t', we cannot cast them to
-** anything without risking overflows. A safe way to use their values
-** is to copy them to an array of a known type and use the array values.
-*/
-static unsigned int l_randomizePivot (void) {
- clock_t c = clock();
- time_t t = time(NULL);
- unsigned int buff[sof(c) + sof(t)];
- unsigned int i, rnd = 0;
- memcpy(buff, &c, sof(c) * sizeof(unsigned int));
- memcpy(buff + sof(c), &t, sof(t) * sizeof(unsigned int));
- for (i = 0; i < sof(buff); i++)
- rnd += buff[i];
- return rnd;
-}
-
-#endif /* } */
-
-
-/* arrays larger than 'RANLIMIT' may use randomized pivots */
-#define RANLIMIT 100u
-
-
-static void set2 (lua_State *L, IdxT i, IdxT j) {
- lua_seti(L, 1, i);
- lua_seti(L, 1, j);
-}
-
-
-/*
-** Return true iff value at stack index 'a' is less than the value at
-** index 'b' (according to the order of the sort).
-*/
-static int sort_comp (lua_State *L, int a, int b) {
- if (lua_isnil(L, 2)) /* no function? */
- return lua_compare(L, a, b, LUA_OPLT); /* a < b */
- else { /* function */
- int res;
- lua_pushvalue(L, 2); /* push function */
- lua_pushvalue(L, a-1); /* -1 to compensate function */
- lua_pushvalue(L, b-2); /* -2 to compensate function and 'a' */
- lua_call(L, 2, 1); /* call function */
- res = lua_toboolean(L, -1); /* get result */
- lua_pop(L, 1); /* pop result */
- return res;
- }
-}
-
-
-/*
-** Does the partition: Pivot P is at the top of the stack.
-** precondition: a[lo] <= P == a[up-1] <= a[up],
-** so it only needs to do the partition from lo + 1 to up - 2.
-** Pos-condition: a[lo .. i - 1] <= a[i] == P <= a[i + 1 .. up]
-** returns 'i'.
-*/
-static IdxT partition (lua_State *L, IdxT lo, IdxT up) {
- IdxT i = lo; /* will be incremented before first use */
- IdxT j = up - 1; /* will be decremented before first use */
- /* loop invariant: a[lo .. i] <= P <= a[j .. up] */
- for (;;) {
- /* next loop: repeat ++i while a[i] < P */
- while (lua_geti(L, 1, ++i), sort_comp(L, -1, -2)) {
- if (i == up - 1) /* a[i] < P but a[up - 1] == P ?? */
- luaL_error(L, "invalid order function for sorting");
- lua_pop(L, 1); /* remove a[i] */
- }
- /* after the loop, a[i] >= P and a[lo .. i - 1] < P */
- /* next loop: repeat --j while P < a[j] */
- while (lua_geti(L, 1, --j), sort_comp(L, -3, -1)) {
- if (j < i) /* j < i but a[j] > P ?? */
- luaL_error(L, "invalid order function for sorting");
- lua_pop(L, 1); /* remove a[j] */
- }
- /* after the loop, a[j] <= P and a[j + 1 .. up] >= P */
- if (j < i) { /* no elements out of place? */
- /* a[lo .. i - 1] <= P <= a[j + 1 .. i .. up] */
- lua_pop(L, 1); /* pop a[j] */
- /* swap pivot (a[up - 1]) with a[i] to satisfy pos-condition */
- set2(L, up - 1, i);
- return i;
- }
- /* otherwise, swap a[i] - a[j] to restore invariant and repeat */
- set2(L, i, j);
- }
-}
-
-
-/*
-** Choose an element in the middle (2nd-3th quarters) of [lo,up]
-** "randomized" by 'rnd'
-*/
-static IdxT choosePivot (IdxT lo, IdxT up, unsigned int rnd) {
- IdxT r4 = (up - lo) / 4; /* range/4 */
- IdxT p = rnd % (r4 * 2) + (lo + r4);
- lua_assert(lo + r4 <= p && p <= up - r4);
- return p;
-}
-
-
-/*
-** QuickSort algorithm (recursive function)
-*/
-static void auxsort (lua_State *L, IdxT lo, IdxT up,
- unsigned int rnd) {
- while (lo < up) { /* loop for tail recursion */
- IdxT p; /* Pivot index */
- IdxT n; /* to be used later */
- /* sort elements 'lo', 'p', and 'up' */
- lua_geti(L, 1, lo);
- lua_geti(L, 1, up);
- if (sort_comp(L, -1, -2)) /* a[up] < a[lo]? */
- set2(L, lo, up); /* swap a[lo] - a[up] */
- else
- lua_pop(L, 2); /* remove both values */
- if (up - lo == 1) /* only 2 elements? */
- return; /* already sorted */
- if (up - lo < RANLIMIT || rnd == 0) /* small interval or no randomize? */
- p = (lo + up)/2; /* middle element is a good pivot */
- else /* for larger intervals, it is worth a random pivot */
- p = choosePivot(lo, up, rnd);
- lua_geti(L, 1, p);
- lua_geti(L, 1, lo);
- if (sort_comp(L, -2, -1)) /* a[p] < a[lo]? */
- set2(L, p, lo); /* swap a[p] - a[lo] */
- else {
- lua_pop(L, 1); /* remove a[lo] */
- lua_geti(L, 1, up);
- if (sort_comp(L, -1, -2)) /* a[up] < a[p]? */
- set2(L, p, up); /* swap a[up] - a[p] */
- else
- lua_pop(L, 2);
- }
- if (up - lo == 2) /* only 3 elements? */
- return; /* already sorted */
- lua_geti(L, 1, p); /* get middle element (Pivot) */
- lua_pushvalue(L, -1); /* push Pivot */
- lua_geti(L, 1, up - 1); /* push a[up - 1] */
- set2(L, p, up - 1); /* swap Pivot (a[p]) with a[up - 1] */
- p = partition(L, lo, up);
- /* a[lo .. p - 1] <= a[p] == P <= a[p + 1 .. up] */
- if (p - lo < up - p) { /* lower interval is smaller? */
- auxsort(L, lo, p - 1, rnd); /* call recursively for lower interval */
- n = p - lo; /* size of smaller interval */
- lo = p + 1; /* tail call for [p + 1 .. up] (upper interval) */
- }
- else {
- auxsort(L, p + 1, up, rnd); /* call recursively for upper interval */
- n = up - p; /* size of smaller interval */
- up = p - 1; /* tail call for [lo .. p - 1] (lower interval) */
- }
- if ((up - lo) / 128 > n) /* partition too imbalanced? */
- rnd = l_randomizePivot(); /* try a new randomization */
- } /* tail call auxsort(L, lo, up, rnd) */
-}
-
-
-static int sort (lua_State *L) {
- lua_Integer n = aux_getn(L, 1, TAB_RW);
- if (n > 1) { /* non-trivial interval? */
- luaL_argcheck(L, n < INT_MAX, 1, "array too big");
- if (!lua_isnoneornil(L, 2)) /* is there a 2nd argument? */
- luaL_checktype(L, 2, LUA_TFUNCTION); /* must be a function */
- lua_settop(L, 2); /* make sure there are two arguments */
- auxsort(L, 1, (IdxT)n, 0);
- }
- return 0;
-}
-
-/* }====================================================== */
-
-
-static const luaL_Reg tab_funcs[] = {
- {"concat", tconcat},
-#if defined(LUA_COMPAT_MAXN)
- {"maxn", maxn},
-#endif
- {"insert", tinsert},
- {"pack", pack},
- {"unpack", unpack},
- {"remove", tremove},
- {"move", tmove},
- {"sort", sort},
- {NULL, NULL}
-};
-
-
-LUAMOD_API int luaopen_table (lua_State *L) {
- luaL_newlib(L, tab_funcs);
-#if defined(LUA_COMPAT_UNPACK)
- /* _G.unpack = table.unpack */
- lua_getfield(L, -1, "unpack");
- lua_setglobal(L, "unpack");
-#endif
- return 1;
-}
-
diff --git a/Build/source/libs/lua53/lua53-src/src/ltm.c b/Build/source/libs/lua53/lua53-src/src/ltm.c
deleted file mode 100644
index 0e7c713214c..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/ltm.c
+++ /dev/null
@@ -1,165 +0,0 @@
-/*
-** $Id: ltm.c,v 2.38.1.1 2017/04/19 17:39:34 roberto Exp $
-** Tag methods
-** See Copyright Notice in lua.h
-*/
-
-#define ltm_c
-#define LUA_CORE
-
-#include "lprefix.h"
-
-
-#include <string.h>
-
-#include "lua.h"
-
-#include "ldebug.h"
-#include "ldo.h"
-#include "lobject.h"
-#include "lstate.h"
-#include "lstring.h"
-#include "ltable.h"
-#include "ltm.h"
-#include "lvm.h"
-
-
-static const char udatatypename[] = "userdata";
-
-LUAI_DDEF const char *const luaT_typenames_[LUA_TOTALTAGS] = {
- "no value",
- "nil", "boolean", udatatypename, "number",
- "string", "table", "function", udatatypename, "thread",
- "proto" /* this last case is used for tests only */
-};
-
-
-void luaT_init (lua_State *L) {
- static const char *const luaT_eventname[] = { /* ORDER TM */
- "__index", "__newindex",
- "__gc", "__mode", "__len", "__eq",
- "__add", "__sub", "__mul", "__mod", "__pow",
- "__div", "__idiv",
- "__band", "__bor", "__bxor", "__shl", "__shr",
- "__unm", "__bnot", "__lt", "__le",
- "__concat", "__call"
- };
- int i;
- for (i=0; i<TM_N; i++) {
- G(L)->tmname[i] = luaS_new(L, luaT_eventname[i]);
- luaC_fix(L, obj2gco(G(L)->tmname[i])); /* never collect these names */
- }
-}
-
-
-/*
-** function to be used with macro "fasttm": optimized for absence of
-** tag methods
-*/
-const TValue *luaT_gettm (Table *events, TMS event, TString *ename) {
- const TValue *tm = luaH_getshortstr(events, ename);
- lua_assert(event <= TM_EQ);
- if (ttisnil(tm)) { /* no tag method? */
- events->flags |= cast_byte(1u<<event); /* cache this fact */
- return NULL;
- }
- else return tm;
-}
-
-
-const TValue *luaT_gettmbyobj (lua_State *L, const TValue *o, TMS event) {
- Table *mt;
- switch (ttnov(o)) {
- case LUA_TTABLE:
- mt = hvalue(o)->metatable;
- break;
- case LUA_TUSERDATA:
- mt = uvalue(o)->metatable;
- break;
- default:
- mt = G(L)->mt[ttnov(o)];
- }
- return (mt ? luaH_getshortstr(mt, G(L)->tmname[event]) : luaO_nilobject);
-}
-
-
-/*
-** Return the name of the type of an object. For tables and userdata
-** with metatable, use their '__name' metafield, if present.
-*/
-const char *luaT_objtypename (lua_State *L, const TValue *o) {
- Table *mt;
- if ((ttistable(o) && (mt = hvalue(o)->metatable) != NULL) ||
- (ttisfulluserdata(o) && (mt = uvalue(o)->metatable) != NULL)) {
- const TValue *name = luaH_getshortstr(mt, luaS_new(L, "__name"));
- if (ttisstring(name)) /* is '__name' a string? */
- return getstr(tsvalue(name)); /* use it as type name */
- }
- return ttypename(ttnov(o)); /* else use standard type name */
-}
-
-
-void luaT_callTM (lua_State *L, const TValue *f, const TValue *p1,
- const TValue *p2, TValue *p3, int hasres) {
- ptrdiff_t result = savestack(L, p3);
- StkId func = L->top;
- setobj2s(L, func, f); /* push function (assume EXTRA_STACK) */
- setobj2s(L, func + 1, p1); /* 1st argument */
- setobj2s(L, func + 2, p2); /* 2nd argument */
- L->top += 3;
- if (!hasres) /* no result? 'p3' is third argument */
- setobj2s(L, L->top++, p3); /* 3rd argument */
- /* metamethod may yield only when called from Lua code */
- if (isLua(L->ci))
- luaD_call(L, func, hasres);
- else
- luaD_callnoyield(L, func, hasres);
- if (hasres) { /* if has result, move it to its place */
- p3 = restorestack(L, result);
- setobjs2s(L, p3, --L->top);
- }
-}
-
-
-int luaT_callbinTM (lua_State *L, const TValue *p1, const TValue *p2,
- StkId res, TMS event) {
- const TValue *tm = luaT_gettmbyobj(L, p1, event); /* try first operand */
- if (ttisnil(tm))
- tm = luaT_gettmbyobj(L, p2, event); /* try second operand */
- if (ttisnil(tm)) return 0;
- luaT_callTM(L, tm, p1, p2, res, 1);
- return 1;
-}
-
-
-void luaT_trybinTM (lua_State *L, const TValue *p1, const TValue *p2,
- StkId res, TMS event) {
- if (!luaT_callbinTM(L, p1, p2, res, event)) {
- switch (event) {
- case TM_CONCAT:
- luaG_concaterror(L, p1, p2);
- /* call never returns, but to avoid warnings: *//* FALLTHROUGH */
- case TM_BAND: case TM_BOR: case TM_BXOR:
- case TM_SHL: case TM_SHR: case TM_BNOT: {
- lua_Number dummy;
- if (tonumber(p1, &dummy) && tonumber(p2, &dummy))
- luaG_tointerror(L, p1, p2);
- else
- luaG_opinterror(L, p1, p2, "perform bitwise operation on");
- }
- /* calls never return, but to avoid warnings: *//* FALLTHROUGH */
- default:
- luaG_opinterror(L, p1, p2, "perform arithmetic on");
- }
- }
-}
-
-
-int luaT_callorderTM (lua_State *L, const TValue *p1, const TValue *p2,
- TMS event) {
- if (!luaT_callbinTM(L, p1, p2, L->top, event))
- return -1; /* no metamethod */
- else
- return !l_isfalse(L->top);
-}
-
diff --git a/Build/source/libs/lua53/lua53-src/src/ltm.h b/Build/source/libs/lua53/lua53-src/src/ltm.h
deleted file mode 100644
index 8170688daeb..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/ltm.h
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
-** $Id: ltm.h,v 2.22.1.1 2017/04/19 17:20:42 roberto Exp $
-** Tag methods
-** See Copyright Notice in lua.h
-*/
-
-#ifndef ltm_h
-#define ltm_h
-
-
-#include "lobject.h"
-
-
-/*
-* WARNING: if you change the order of this enumeration,
-* grep "ORDER TM" and "ORDER OP"
-*/
-typedef enum {
- TM_INDEX,
- TM_NEWINDEX,
- TM_GC,
- TM_MODE,
- TM_LEN,
- TM_EQ, /* last tag method with fast access */
- TM_ADD,
- TM_SUB,
- TM_MUL,
- TM_MOD,
- TM_POW,
- TM_DIV,
- TM_IDIV,
- TM_BAND,
- TM_BOR,
- TM_BXOR,
- TM_SHL,
- TM_SHR,
- TM_UNM,
- TM_BNOT,
- TM_LT,
- TM_LE,
- TM_CONCAT,
- TM_CALL,
- TM_N /* number of elements in the enum */
-} TMS;
-
-
-
-#define gfasttm(g,et,e) ((et) == NULL ? NULL : \
- ((et)->flags & (1u<<(e))) ? NULL : luaT_gettm(et, e, (g)->tmname[e]))
-
-#define fasttm(l,et,e) gfasttm(G(l), et, e)
-
-#define ttypename(x) luaT_typenames_[(x) + 1]
-
-LUAI_DDEC const char *const luaT_typenames_[LUA_TOTALTAGS];
-
-
-LUAI_FUNC const char *luaT_objtypename (lua_State *L, const TValue *o);
-
-LUAI_FUNC const TValue *luaT_gettm (Table *events, TMS event, TString *ename);
-LUAI_FUNC const TValue *luaT_gettmbyobj (lua_State *L, const TValue *o,
- TMS event);
-LUAI_FUNC void luaT_init (lua_State *L);
-
-LUAI_FUNC void luaT_callTM (lua_State *L, const TValue *f, const TValue *p1,
- const TValue *p2, TValue *p3, int hasres);
-LUAI_FUNC int luaT_callbinTM (lua_State *L, const TValue *p1, const TValue *p2,
- StkId res, TMS event);
-LUAI_FUNC void luaT_trybinTM (lua_State *L, const TValue *p1, const TValue *p2,
- StkId res, TMS event);
-LUAI_FUNC int luaT_callorderTM (lua_State *L, const TValue *p1,
- const TValue *p2, TMS event);
-
-
-
-#endif
diff --git a/Build/source/libs/lua53/lua53-src/src/lua.c b/Build/source/libs/lua53/lua53-src/src/lua.c
deleted file mode 100644
index ca5b298523b..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/lua.c
+++ /dev/null
@@ -1,612 +0,0 @@
-/*
-** $Id: lua.c,v 1.230.1.1 2017/04/19 17:29:57 roberto Exp $
-** Lua stand-alone interpreter
-** See Copyright Notice in lua.h
-*/
-
-#define lua_c
-
-#include "lprefix.h"
-
-
-#include <signal.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "lua.h"
-
-#include "lauxlib.h"
-#include "lualib.h"
-
-
-
-#if !defined(LUA_PROMPT)
-#define LUA_PROMPT "> "
-#define LUA_PROMPT2 ">> "
-#endif
-
-#if !defined(LUA_PROGNAME)
-#define LUA_PROGNAME "lua"
-#endif
-
-#if !defined(LUA_MAXINPUT)
-#define LUA_MAXINPUT 512
-#endif
-
-#if !defined(LUA_INIT_VAR)
-#define LUA_INIT_VAR "LUA_INIT"
-#endif
-
-#define LUA_INITVARVERSION LUA_INIT_VAR LUA_VERSUFFIX
-
-
-/*
-** lua_stdin_is_tty detects whether the standard input is a 'tty' (that
-** is, whether we're running lua interactively).
-*/
-#if !defined(lua_stdin_is_tty) /* { */
-
-#if defined(LUA_USE_POSIX) /* { */
-
-#include <unistd.h>
-#define lua_stdin_is_tty() isatty(0)
-
-#elif defined(LUA_USE_WINDOWS) /* }{ */
-
-#include <io.h>
-#include <windows.h>
-
-#define lua_stdin_is_tty() _isatty(_fileno(stdin))
-
-#else /* }{ */
-
-/* ISO C definition */
-#define lua_stdin_is_tty() 1 /* assume stdin is a tty */
-
-#endif /* } */
-
-#endif /* } */
-
-
-/*
-** lua_readline defines how to show a prompt and then read a line from
-** the standard input.
-** lua_saveline defines how to "save" a read line in a "history".
-** lua_freeline defines how to free a line read by lua_readline.
-*/
-#if !defined(lua_readline) /* { */
-
-#if defined(LUA_USE_READLINE) /* { */
-
-#include <readline/readline.h>
-#include <readline/history.h>
-#define lua_readline(L,b,p) ((void)L, ((b)=readline(p)) != NULL)
-#define lua_saveline(L,line) ((void)L, add_history(line))
-#define lua_freeline(L,b) ((void)L, free(b))
-
-#else /* }{ */
-
-#define lua_readline(L,b,p) \
- ((void)L, fputs(p, stdout), fflush(stdout), /* show prompt */ \
- fgets(b, LUA_MAXINPUT, stdin) != NULL) /* get line */
-#define lua_saveline(L,line) { (void)L; (void)line; }
-#define lua_freeline(L,b) { (void)L; (void)b; }
-
-#endif /* } */
-
-#endif /* } */
-
-
-
-
-static lua_State *globalL = NULL;
-
-static const char *progname = LUA_PROGNAME;
-
-
-/*
-** Hook set by signal function to stop the interpreter.
-*/
-static void lstop (lua_State *L, lua_Debug *ar) {
- (void)ar; /* unused arg. */
- lua_sethook(L, NULL, 0, 0); /* reset hook */
- luaL_error(L, "interrupted!");
-}
-
-
-/*
-** Function to be called at a C signal. Because a C signal cannot
-** just change a Lua state (as there is no proper synchronization),
-** this function only sets a hook that, when called, will stop the
-** interpreter.
-*/
-static void laction (int i) {
- signal(i, SIG_DFL); /* if another SIGINT happens, terminate process */
- lua_sethook(globalL, lstop, LUA_MASKCALL | LUA_MASKRET | LUA_MASKCOUNT, 1);
-}
-
-
-static void print_usage (const char *badoption) {
- lua_writestringerror("%s: ", progname);
- if (badoption[1] == 'e' || badoption[1] == 'l')
- lua_writestringerror("'%s' needs argument\n", badoption);
- else
- lua_writestringerror("unrecognized option '%s'\n", badoption);
- lua_writestringerror(
- "usage: %s [options] [script [args]]\n"
- "Available options are:\n"
- " -e stat execute string 'stat'\n"
- " -i enter interactive mode after executing 'script'\n"
- " -l name require library 'name' into global 'name'\n"
- " -v show version information\n"
- " -E ignore environment variables\n"
- " -- stop handling options\n"
- " - stop handling options and execute stdin\n"
- ,
- progname);
-}
-
-
-/*
-** Prints an error message, adding the program name in front of it
-** (if present)
-*/
-static void l_message (const char *pname, const char *msg) {
- if (pname) lua_writestringerror("%s: ", pname);
- lua_writestringerror("%s\n", msg);
-}
-
-
-/*
-** Check whether 'status' is not OK and, if so, prints the error
-** message on the top of the stack. It assumes that the error object
-** is a string, as it was either generated by Lua or by 'msghandler'.
-*/
-static int report (lua_State *L, int status) {
- if (status != LUA_OK) {
- const char *msg = lua_tostring(L, -1);
- l_message(progname, msg);
- lua_pop(L, 1); /* remove message */
- }
- return status;
-}
-
-
-/*
-** Message handler used to run all chunks
-*/
-static int msghandler (lua_State *L) {
- const char *msg = lua_tostring(L, 1);
- if (msg == NULL) { /* is error object not a string? */
- if (luaL_callmeta(L, 1, "__tostring") && /* does it have a metamethod */
- lua_type(L, -1) == LUA_TSTRING) /* that produces a string? */
- return 1; /* that is the message */
- else
- msg = lua_pushfstring(L, "(error object is a %s value)",
- luaL_typename(L, 1));
- }
- luaL_traceback(L, L, msg, 1); /* append a standard traceback */
- return 1; /* return the traceback */
-}
-
-
-/*
-** Interface to 'lua_pcall', which sets appropriate message function
-** and C-signal handler. Used to run all chunks.
-*/
-static int docall (lua_State *L, int narg, int nres) {
- int status;
- int base = lua_gettop(L) - narg; /* function index */
- lua_pushcfunction(L, msghandler); /* push message handler */
- lua_insert(L, base); /* put it under function and args */
- globalL = L; /* to be available to 'laction' */
- signal(SIGINT, laction); /* set C-signal handler */
- status = lua_pcall(L, narg, nres, base);
- signal(SIGINT, SIG_DFL); /* reset C-signal handler */
- lua_remove(L, base); /* remove message handler from the stack */
- return status;
-}
-
-
-static void print_version (void) {
- lua_writestring(LUA_COPYRIGHT, strlen(LUA_COPYRIGHT));
- lua_writeline();
-}
-
-
-/*
-** Create the 'arg' table, which stores all arguments from the
-** command line ('argv'). It should be aligned so that, at index 0,
-** it has 'argv[script]', which is the script name. The arguments
-** to the script (everything after 'script') go to positive indices;
-** other arguments (before the script name) go to negative indices.
-** If there is no script name, assume interpreter's name as base.
-*/
-static void createargtable (lua_State *L, char **argv, int argc, int script) {
- int i, narg;
- if (script == argc) script = 0; /* no script name? */
- narg = argc - (script + 1); /* number of positive indices */
- lua_createtable(L, narg, script + 1);
- for (i = 0; i < argc; i++) {
- lua_pushstring(L, argv[i]);
- lua_rawseti(L, -2, i - script);
- }
- lua_setglobal(L, "arg");
-}
-
-
-static int dochunk (lua_State *L, int status) {
- if (status == LUA_OK) status = docall(L, 0, 0);
- return report(L, status);
-}
-
-
-static int dofile (lua_State *L, const char *name) {
- return dochunk(L, luaL_loadfile(L, name));
-}
-
-
-static int dostring (lua_State *L, const char *s, const char *name) {
- return dochunk(L, luaL_loadbuffer(L, s, strlen(s), name));
-}
-
-
-/*
-** Calls 'require(name)' and stores the result in a global variable
-** with the given name.
-*/
-static int dolibrary (lua_State *L, const char *name) {
- int status;
- lua_getglobal(L, "require");
- lua_pushstring(L, name);
- status = docall(L, 1, 1); /* call 'require(name)' */
- if (status == LUA_OK)
- lua_setglobal(L, name); /* global[name] = require return */
- return report(L, status);
-}
-
-
-/*
-** Returns the string to be used as a prompt by the interpreter.
-*/
-static const char *get_prompt (lua_State *L, int firstline) {
- const char *p;
- lua_getglobal(L, firstline ? "_PROMPT" : "_PROMPT2");
- p = lua_tostring(L, -1);
- if (p == NULL) p = (firstline ? LUA_PROMPT : LUA_PROMPT2);
- return p;
-}
-
-/* mark in error messages for incomplete statements */
-#define EOFMARK "<eof>"
-#define marklen (sizeof(EOFMARK)/sizeof(char) - 1)
-
-
-/*
-** Check whether 'status' signals a syntax error and the error
-** message at the top of the stack ends with the above mark for
-** incomplete statements.
-*/
-static int incomplete (lua_State *L, int status) {
- if (status == LUA_ERRSYNTAX) {
- size_t lmsg;
- const char *msg = lua_tolstring(L, -1, &lmsg);
- if (lmsg >= marklen && strcmp(msg + lmsg - marklen, EOFMARK) == 0) {
- lua_pop(L, 1);
- return 1;
- }
- }
- return 0; /* else... */
-}
-
-
-/*
-** Prompt the user, read a line, and push it into the Lua stack.
-*/
-static int pushline (lua_State *L, int firstline) {
- char buffer[LUA_MAXINPUT];
- char *b = buffer;
- size_t l;
- const char *prmt = get_prompt(L, firstline);
- int readstatus = lua_readline(L, b, prmt);
- if (readstatus == 0)
- return 0; /* no input (prompt will be popped by caller) */
- lua_pop(L, 1); /* remove prompt */
- l = strlen(b);
- if (l > 0 && b[l-1] == '\n') /* line ends with newline? */
- b[--l] = '\0'; /* remove it */
- if (firstline && b[0] == '=') /* for compatibility with 5.2, ... */
- lua_pushfstring(L, "return %s", b + 1); /* change '=' to 'return' */
- else
- lua_pushlstring(L, b, l);
- lua_freeline(L, b);
- return 1;
-}
-
-
-/*
-** Try to compile line on the stack as 'return <line>;'; on return, stack
-** has either compiled chunk or original line (if compilation failed).
-*/
-static int addreturn (lua_State *L) {
- const char *line = lua_tostring(L, -1); /* original line */
- const char *retline = lua_pushfstring(L, "return %s;", line);
- int status = luaL_loadbuffer(L, retline, strlen(retline), "=stdin");
- if (status == LUA_OK) {
- lua_remove(L, -2); /* remove modified line */
- if (line[0] != '\0') /* non empty? */
- lua_saveline(L, line); /* keep history */
- }
- else
- lua_pop(L, 2); /* pop result from 'luaL_loadbuffer' and modified line */
- return status;
-}
-
-
-/*
-** Read multiple lines until a complete Lua statement
-*/
-static int multiline (lua_State *L) {
- for (;;) { /* repeat until gets a complete statement */
- size_t len;
- const char *line = lua_tolstring(L, 1, &len); /* get what it has */
- int status = luaL_loadbuffer(L, line, len, "=stdin"); /* try it */
- if (!incomplete(L, status) || !pushline(L, 0)) {
- lua_saveline(L, line); /* keep history */
- return status; /* cannot or should not try to add continuation line */
- }
- lua_pushliteral(L, "\n"); /* add newline... */
- lua_insert(L, -2); /* ...between the two lines */
- lua_concat(L, 3); /* join them */
- }
-}
-
-
-/*
-** Read a line and try to load (compile) it first as an expression (by
-** adding "return " in front of it) and second as a statement. Return
-** the final status of load/call with the resulting function (if any)
-** in the top of the stack.
-*/
-static int loadline (lua_State *L) {
- int status;
- lua_settop(L, 0);
- if (!pushline(L, 1))
- return -1; /* no input */
- if ((status = addreturn(L)) != LUA_OK) /* 'return ...' did not work? */
- status = multiline(L); /* try as command, maybe with continuation lines */
- lua_remove(L, 1); /* remove line from the stack */
- lua_assert(lua_gettop(L) == 1);
- return status;
-}
-
-
-/*
-** Prints (calling the Lua 'print' function) any values on the stack
-*/
-static void l_print (lua_State *L) {
- int n = lua_gettop(L);
- if (n > 0) { /* any result to be printed? */
- luaL_checkstack(L, LUA_MINSTACK, "too many results to print");
- lua_getglobal(L, "print");
- lua_insert(L, 1);
- if (lua_pcall(L, n, 0, 0) != LUA_OK)
- l_message(progname, lua_pushfstring(L, "error calling 'print' (%s)",
- lua_tostring(L, -1)));
- }
-}
-
-
-/*
-** Do the REPL: repeatedly read (load) a line, evaluate (call) it, and
-** print any results.
-*/
-static void doREPL (lua_State *L) {
- int status;
- const char *oldprogname = progname;
- progname = NULL; /* no 'progname' on errors in interactive mode */
- while ((status = loadline(L)) != -1) {
- if (status == LUA_OK)
- status = docall(L, 0, LUA_MULTRET);
- if (status == LUA_OK) l_print(L);
- else report(L, status);
- }
- lua_settop(L, 0); /* clear stack */
- lua_writeline();
- progname = oldprogname;
-}
-
-
-/*
-** Push on the stack the contents of table 'arg' from 1 to #arg
-*/
-static int pushargs (lua_State *L) {
- int i, n;
- if (lua_getglobal(L, "arg") != LUA_TTABLE)
- luaL_error(L, "'arg' is not a table");
- n = (int)luaL_len(L, -1);
- luaL_checkstack(L, n + 3, "too many arguments to script");
- for (i = 1; i <= n; i++)
- lua_rawgeti(L, -i, i);
- lua_remove(L, -i); /* remove table from the stack */
- return n;
-}
-
-
-static int handle_script (lua_State *L, char **argv) {
- int status;
- const char *fname = argv[0];
- if (strcmp(fname, "-") == 0 && strcmp(argv[-1], "--") != 0)
- fname = NULL; /* stdin */
- status = luaL_loadfile(L, fname);
- if (status == LUA_OK) {
- int n = pushargs(L); /* push arguments to script */
- status = docall(L, n, LUA_MULTRET);
- }
- return report(L, status);
-}
-
-
-
-/* bits of various argument indicators in 'args' */
-#define has_error 1 /* bad option */
-#define has_i 2 /* -i */
-#define has_v 4 /* -v */
-#define has_e 8 /* -e */
-#define has_E 16 /* -E */
-
-/*
-** Traverses all arguments from 'argv', returning a mask with those
-** needed before running any Lua code (or an error code if it finds
-** any invalid argument). 'first' returns the first not-handled argument
-** (either the script name or a bad argument in case of error).
-*/
-static int collectargs (char **argv, int *first) {
- int args = 0;
- int i;
- for (i = 1; argv[i] != NULL; i++) {
- *first = i;
- if (argv[i][0] != '-') /* not an option? */
- return args; /* stop handling options */
- switch (argv[i][1]) { /* else check option */
- case '-': /* '--' */
- if (argv[i][2] != '\0') /* extra characters after '--'? */
- return has_error; /* invalid option */
- *first = i + 1;
- return args;
- case '\0': /* '-' */
- return args; /* script "name" is '-' */
- case 'E':
- if (argv[i][2] != '\0') /* extra characters after 1st? */
- return has_error; /* invalid option */
- args |= has_E;
- break;
- case 'i':
- args |= has_i; /* (-i implies -v) *//* FALLTHROUGH */
- case 'v':
- if (argv[i][2] != '\0') /* extra characters after 1st? */
- return has_error; /* invalid option */
- args |= has_v;
- break;
- case 'e':
- args |= has_e; /* FALLTHROUGH */
- case 'l': /* both options need an argument */
- if (argv[i][2] == '\0') { /* no concatenated argument? */
- i++; /* try next 'argv' */
- if (argv[i] == NULL || argv[i][0] == '-')
- return has_error; /* no next argument or it is another option */
- }
- break;
- default: /* invalid option */
- return has_error;
- }
- }
- *first = i; /* no script name */
- return args;
-}
-
-
-/*
-** Processes options 'e' and 'l', which involve running Lua code.
-** Returns 0 if some code raises an error.
-*/
-static int runargs (lua_State *L, char **argv, int n) {
- int i;
- for (i = 1; i < n; i++) {
- int option = argv[i][1];
- lua_assert(argv[i][0] == '-'); /* already checked */
- if (option == 'e' || option == 'l') {
- int status;
- const char *extra = argv[i] + 2; /* both options need an argument */
- if (*extra == '\0') extra = argv[++i];
- lua_assert(extra != NULL);
- status = (option == 'e')
- ? dostring(L, extra, "=(command line)")
- : dolibrary(L, extra);
- if (status != LUA_OK) return 0;
- }
- }
- return 1;
-}
-
-
-
-static int handle_luainit (lua_State *L) {
- const char *name = "=" LUA_INITVARVERSION;
- const char *init = getenv(name + 1);
- if (init == NULL) {
- name = "=" LUA_INIT_VAR;
- init = getenv(name + 1); /* try alternative name */
- }
- if (init == NULL) return LUA_OK;
- else if (init[0] == '@')
- return dofile(L, init+1);
- else
- return dostring(L, init, name);
-}
-
-
-/*
-** Main body of stand-alone interpreter (to be called in protected mode).
-** Reads the options and handles them all.
-*/
-static int pmain (lua_State *L) {
- int argc = (int)lua_tointeger(L, 1);
- char **argv = (char **)lua_touserdata(L, 2);
- int script;
- int args = collectargs(argv, &script);
- luaL_checkversion(L); /* check that interpreter has correct version */
- if (argv[0] && argv[0][0]) progname = argv[0];
- if (args == has_error) { /* bad arg? */
- print_usage(argv[script]); /* 'script' has index of bad arg. */
- return 0;
- }
- if (args & has_v) /* option '-v'? */
- print_version();
- if (args & has_E) { /* option '-E'? */
- lua_pushboolean(L, 1); /* signal for libraries to ignore env. vars. */
- lua_setfield(L, LUA_REGISTRYINDEX, "LUA_NOENV");
- }
- luaL_openlibs(L); /* open standard libraries */
- createargtable(L, argv, argc, script); /* create table 'arg' */
- if (!(args & has_E)) { /* no option '-E'? */
- if (handle_luainit(L) != LUA_OK) /* run LUA_INIT */
- return 0; /* error running LUA_INIT */
- }
- if (!runargs(L, argv, script)) /* execute arguments -e and -l */
- return 0; /* something failed */
- if (script < argc && /* execute main script (if there is one) */
- handle_script(L, argv + script) != LUA_OK)
- return 0;
- if (args & has_i) /* -i option? */
- doREPL(L); /* do read-eval-print loop */
- else if (script == argc && !(args & (has_e | has_v))) { /* no arguments? */
- if (lua_stdin_is_tty()) { /* running in interactive mode? */
- print_version();
- doREPL(L); /* do read-eval-print loop */
- }
- else dofile(L, NULL); /* executes stdin as a file */
- }
- lua_pushboolean(L, 1); /* signal no errors */
- return 1;
-}
-
-
-int main (int argc, char **argv) {
- int status, result;
- lua_State *L = luaL_newstate(); /* create state */
- if (L == NULL) {
- l_message(argv[0], "cannot create state: not enough memory");
- return EXIT_FAILURE;
- }
- lua_pushcfunction(L, &pmain); /* to call 'pmain' in protected mode */
- lua_pushinteger(L, argc); /* 1st argument */
- lua_pushlightuserdata(L, argv); /* 2nd argument */
- status = lua_pcall(L, 2, 1, 0); /* do the call */
- result = lua_toboolean(L, -1); /* get result */
- report(L, status);
- lua_close(L);
- return (result && status == LUA_OK) ? EXIT_SUCCESS : EXIT_FAILURE;
-}
-
diff --git a/Build/source/libs/lua53/lua53-src/src/lua.h b/Build/source/libs/lua53/lua53-src/src/lua.h
deleted file mode 100644
index 9394c5ef8fd..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/lua.h
+++ /dev/null
@@ -1,485 +0,0 @@
-/*
-** Lua - A Scripting Language
-** Lua.org, PUC-Rio, Brazil (http://www.lua.org)
-** See Copyright Notice at the end of this file
-*/
-
-
-#ifndef lua_h
-#define lua_h
-
-#include <stdarg.h>
-#include <stddef.h>
-
-
-#include "luaconf.h"
-
-
-#define LUA_VERSION_MAJOR "5"
-#define LUA_VERSION_MINOR "3"
-#define LUA_VERSION_NUM 503
-#define LUA_VERSION_RELEASE "6"
-
-#define LUA_VERSION "Lua " LUA_VERSION_MAJOR "." LUA_VERSION_MINOR
-#define LUA_RELEASE LUA_VERSION "." LUA_VERSION_RELEASE
-#define LUA_COPYRIGHT LUA_RELEASE " Copyright (C) 1994-2020 Lua.org, PUC-Rio"
-#define LUA_AUTHORS "R. Ierusalimschy, L. H. de Figueiredo, W. Celes"
-
-
-/* mark for precompiled code ('<esc>Lua') */
-#define LUA_SIGNATURE "\x1bLua"
-
-/* option for multiple returns in 'lua_pcall' and 'lua_call' */
-#define LUA_MULTRET (-1)
-
-
-/*
-** Pseudo-indices
-** (-LUAI_MAXSTACK is the minimum valid index; we keep some free empty
-** space after that to help overflow detection)
-*/
-#define LUA_REGISTRYINDEX (-LUAI_MAXSTACK - 1000)
-#define lua_upvalueindex(i) (LUA_REGISTRYINDEX - (i))
-
-
-/* thread status */
-#define LUA_OK 0
-#define LUA_YIELD 1
-#define LUA_ERRRUN 2
-#define LUA_ERRSYNTAX 3
-#define LUA_ERRMEM 4
-#define LUA_ERRGCMM 5
-#define LUA_ERRERR 6
-
-
-typedef struct lua_State lua_State;
-
-
-/*
-** basic types
-*/
-#define LUA_TNONE (-1)
-
-#define LUA_TNIL 0
-#define LUA_TBOOLEAN 1
-#define LUA_TLIGHTUSERDATA 2
-#define LUA_TNUMBER 3
-#define LUA_TSTRING 4
-#define LUA_TTABLE 5
-#define LUA_TFUNCTION 6
-#define LUA_TUSERDATA 7
-#define LUA_TTHREAD 8
-
-#define LUA_NUMTAGS 9
-
-
-
-/* minimum Lua stack available to a C function */
-#define LUA_MINSTACK 20
-
-
-/* predefined values in the registry */
-#define LUA_RIDX_MAINTHREAD 1
-#define LUA_RIDX_GLOBALS 2
-#define LUA_RIDX_LAST LUA_RIDX_GLOBALS
-
-
-/* type of numbers in Lua */
-typedef LUA_NUMBER lua_Number;
-
-
-/* type for integer functions */
-typedef LUA_INTEGER lua_Integer;
-
-/* unsigned integer type */
-typedef LUA_UNSIGNED lua_Unsigned;
-
-/* type for continuation-function contexts */
-typedef LUA_KCONTEXT lua_KContext;
-
-
-/*
-** Type for C functions registered with Lua
-*/
-typedef int (*lua_CFunction) (lua_State *L);
-
-/*
-** Type for continuation functions
-*/
-typedef int (*lua_KFunction) (lua_State *L, int status, lua_KContext ctx);
-
-
-/*
-** Type for functions that read/write blocks when loading/dumping Lua chunks
-*/
-typedef const char * (*lua_Reader) (lua_State *L, void *ud, size_t *sz);
-
-typedef int (*lua_Writer) (lua_State *L, const void *p, size_t sz, void *ud);
-
-
-/*
-** Type for memory-allocation functions
-*/
-typedef void * (*lua_Alloc) (void *ud, void *ptr, size_t osize, size_t nsize);
-
-
-
-/*
-** generic extra include file
-*/
-#if defined(LUA_USER_H)
-#include LUA_USER_H
-#endif
-
-
-/*
-** RCS ident string
-*/
-extern const char lua_ident[];
-
-
-/*
-** state manipulation
-*/
-LUA_API lua_State *(lua_newstate) (lua_Alloc f, void *ud);
-LUA_API void (lua_close) (lua_State *L);
-LUA_API lua_State *(lua_newthread) (lua_State *L);
-
-LUA_API lua_CFunction (lua_atpanic) (lua_State *L, lua_CFunction panicf);
-
-
-LUA_API const lua_Number *(lua_version) (lua_State *L);
-
-
-/*
-** basic stack manipulation
-*/
-LUA_API int (lua_absindex) (lua_State *L, int idx);
-LUA_API int (lua_gettop) (lua_State *L);
-LUA_API void (lua_settop) (lua_State *L, int idx);
-LUA_API void (lua_pushvalue) (lua_State *L, int idx);
-LUA_API void (lua_rotate) (lua_State *L, int idx, int n);
-LUA_API void (lua_copy) (lua_State *L, int fromidx, int toidx);
-LUA_API int (lua_checkstack) (lua_State *L, int n);
-
-LUA_API void (lua_xmove) (lua_State *from, lua_State *to, int n);
-
-
-/*
-** access functions (stack -> C)
-*/
-
-LUA_API int (lua_isnumber) (lua_State *L, int idx);
-LUA_API int (lua_isstring) (lua_State *L, int idx);
-LUA_API int (lua_iscfunction) (lua_State *L, int idx);
-LUA_API int (lua_isinteger) (lua_State *L, int idx);
-LUA_API int (lua_isuserdata) (lua_State *L, int idx);
-LUA_API int (lua_type) (lua_State *L, int idx);
-LUA_API const char *(lua_typename) (lua_State *L, int tp);
-
-LUA_API lua_Number (lua_tonumberx) (lua_State *L, int idx, int *isnum);
-LUA_API lua_Integer (lua_tointegerx) (lua_State *L, int idx, int *isnum);
-LUA_API int (lua_toboolean) (lua_State *L, int idx);
-LUA_API const char *(lua_tolstring) (lua_State *L, int idx, size_t *len);
-LUA_API size_t (lua_rawlen) (lua_State *L, int idx);
-LUA_API lua_CFunction (lua_tocfunction) (lua_State *L, int idx);
-LUA_API void *(lua_touserdata) (lua_State *L, int idx);
-LUA_API lua_State *(lua_tothread) (lua_State *L, int idx);
-LUA_API const void *(lua_topointer) (lua_State *L, int idx);
-
-
-/*
-** Comparison and arithmetic functions
-*/
-
-#define LUA_OPADD 0 /* ORDER TM, ORDER OP */
-#define LUA_OPSUB 1
-#define LUA_OPMUL 2
-#define LUA_OPMOD 3
-#define LUA_OPPOW 4
-#define LUA_OPDIV 5
-#define LUA_OPIDIV 6
-#define LUA_OPBAND 7
-#define LUA_OPBOR 8
-#define LUA_OPBXOR 9
-#define LUA_OPSHL 10
-#define LUA_OPSHR 11
-#define LUA_OPUNM 12
-#define LUA_OPBNOT 13
-
-LUA_API void (lua_arith) (lua_State *L, int op);
-
-#define LUA_OPEQ 0
-#define LUA_OPLT 1
-#define LUA_OPLE 2
-
-LUA_API int (lua_rawequal) (lua_State *L, int idx1, int idx2);
-LUA_API int (lua_compare) (lua_State *L, int idx1, int idx2, int op);
-
-
-/*
-** push functions (C -> stack)
-*/
-LUA_API void (lua_pushnil) (lua_State *L);
-LUA_API void (lua_pushnumber) (lua_State *L, lua_Number n);
-LUA_API void (lua_pushinteger) (lua_State *L, lua_Integer n);
-LUA_API const char *(lua_pushlstring) (lua_State *L, const char *s, size_t len);
-LUA_API const char *(lua_pushstring) (lua_State *L, const char *s);
-LUA_API const char *(lua_pushvfstring) (lua_State *L, const char *fmt,
- va_list argp);
-LUA_API const char *(lua_pushfstring) (lua_State *L, const char *fmt, ...);
-LUA_API void (lua_pushcclosure) (lua_State *L, lua_CFunction fn, int n);
-LUA_API void (lua_pushboolean) (lua_State *L, int b);
-LUA_API void (lua_pushlightuserdata) (lua_State *L, void *p);
-LUA_API int (lua_pushthread) (lua_State *L);
-
-
-/*
-** get functions (Lua -> stack)
-*/
-LUA_API int (lua_getglobal) (lua_State *L, const char *name);
-LUA_API int (lua_gettable) (lua_State *L, int idx);
-LUA_API int (lua_getfield) (lua_State *L, int idx, const char *k);
-LUA_API int (lua_geti) (lua_State *L, int idx, lua_Integer n);
-LUA_API int (lua_rawget) (lua_State *L, int idx);
-LUA_API int (lua_rawgeti) (lua_State *L, int idx, lua_Integer n);
-LUA_API int (lua_rawgetp) (lua_State *L, int idx, const void *p);
-
-LUA_API void (lua_createtable) (lua_State *L, int narr, int nrec);
-LUA_API void *(lua_newuserdata) (lua_State *L, size_t sz);
-LUA_API int (lua_getmetatable) (lua_State *L, int objindex);
-LUA_API int (lua_getuservalue) (lua_State *L, int idx);
-
-
-/*
-** set functions (stack -> Lua)
-*/
-LUA_API void (lua_setglobal) (lua_State *L, const char *name);
-LUA_API void (lua_settable) (lua_State *L, int idx);
-LUA_API void (lua_setfield) (lua_State *L, int idx, const char *k);
-LUA_API void (lua_seti) (lua_State *L, int idx, lua_Integer n);
-LUA_API void (lua_rawset) (lua_State *L, int idx);
-LUA_API void (lua_rawseti) (lua_State *L, int idx, lua_Integer n);
-LUA_API void (lua_rawsetp) (lua_State *L, int idx, const void *p);
-LUA_API int (lua_setmetatable) (lua_State *L, int objindex);
-LUA_API void (lua_setuservalue) (lua_State *L, int idx);
-
-
-/*
-** 'load' and 'call' functions (load and run Lua code)
-*/
-LUA_API void (lua_callk) (lua_State *L, int nargs, int nresults,
- lua_KContext ctx, lua_KFunction k);
-#define lua_call(L,n,r) lua_callk(L, (n), (r), 0, NULL)
-
-LUA_API int (lua_pcallk) (lua_State *L, int nargs, int nresults, int errfunc,
- lua_KContext ctx, lua_KFunction k);
-#define lua_pcall(L,n,r,f) lua_pcallk(L, (n), (r), (f), 0, NULL)
-
-LUA_API int (lua_load) (lua_State *L, lua_Reader reader, void *dt,
- const char *chunkname, const char *mode);
-
-LUA_API int (lua_dump) (lua_State *L, lua_Writer writer, void *data, int strip);
-
-
-/*
-** coroutine functions
-*/
-LUA_API int (lua_yieldk) (lua_State *L, int nresults, lua_KContext ctx,
- lua_KFunction k);
-LUA_API int (lua_resume) (lua_State *L, lua_State *from, int narg);
-LUA_API int (lua_status) (lua_State *L);
-LUA_API int (lua_isyieldable) (lua_State *L);
-
-#define lua_yield(L,n) lua_yieldk(L, (n), 0, NULL)
-
-
-/*
-** garbage-collection function and options
-*/
-
-#define LUA_GCSTOP 0
-#define LUA_GCRESTART 1
-#define LUA_GCCOLLECT 2
-#define LUA_GCCOUNT 3
-#define LUA_GCCOUNTB 4
-#define LUA_GCSTEP 5
-#define LUA_GCSETPAUSE 6
-#define LUA_GCSETSTEPMUL 7
-#define LUA_GCISRUNNING 9
-
-LUA_API int (lua_gc) (lua_State *L, int what, int data);
-
-
-/*
-** miscellaneous functions
-*/
-
-LUA_API int (lua_error) (lua_State *L);
-
-LUA_API int (lua_next) (lua_State *L, int idx);
-
-LUA_API void (lua_concat) (lua_State *L, int n);
-LUA_API void (lua_len) (lua_State *L, int idx);
-
-LUA_API size_t (lua_stringtonumber) (lua_State *L, const char *s);
-
-LUA_API lua_Alloc (lua_getallocf) (lua_State *L, void **ud);
-LUA_API void (lua_setallocf) (lua_State *L, lua_Alloc f, void *ud);
-
-
-
-/*
-** {==============================================================
-** some useful macros
-** ===============================================================
-*/
-
-#define lua_getextraspace(L) ((void *)((char *)(L) - LUA_EXTRASPACE))
-
-#define lua_tonumber(L,i) lua_tonumberx(L,(i),NULL)
-#define lua_tointeger(L,i) lua_tointegerx(L,(i),NULL)
-
-#define lua_pop(L,n) lua_settop(L, -(n)-1)
-
-#define lua_newtable(L) lua_createtable(L, 0, 0)
-
-#define lua_register(L,n,f) (lua_pushcfunction(L, (f)), lua_setglobal(L, (n)))
-
-#define lua_pushcfunction(L,f) lua_pushcclosure(L, (f), 0)
-
-#define lua_isfunction(L,n) (lua_type(L, (n)) == LUA_TFUNCTION)
-#define lua_istable(L,n) (lua_type(L, (n)) == LUA_TTABLE)
-#define lua_islightuserdata(L,n) (lua_type(L, (n)) == LUA_TLIGHTUSERDATA)
-#define lua_isnil(L,n) (lua_type(L, (n)) == LUA_TNIL)
-#define lua_isboolean(L,n) (lua_type(L, (n)) == LUA_TBOOLEAN)
-#define lua_isthread(L,n) (lua_type(L, (n)) == LUA_TTHREAD)
-#define lua_isnone(L,n) (lua_type(L, (n)) == LUA_TNONE)
-#define lua_isnoneornil(L, n) (lua_type(L, (n)) <= 0)
-
-#define lua_pushliteral(L, s) lua_pushstring(L, "" s)
-
-#define lua_pushglobaltable(L) \
- ((void)lua_rawgeti(L, LUA_REGISTRYINDEX, LUA_RIDX_GLOBALS))
-
-#define lua_tostring(L,i) lua_tolstring(L, (i), NULL)
-
-
-#define lua_insert(L,idx) lua_rotate(L, (idx), 1)
-
-#define lua_remove(L,idx) (lua_rotate(L, (idx), -1), lua_pop(L, 1))
-
-#define lua_replace(L,idx) (lua_copy(L, -1, (idx)), lua_pop(L, 1))
-
-/* }============================================================== */
-
-
-/*
-** {==============================================================
-** compatibility macros for unsigned conversions
-** ===============================================================
-*/
-#if defined(LUA_COMPAT_APIINTCASTS)
-
-#define lua_pushunsigned(L,n) lua_pushinteger(L, (lua_Integer)(n))
-#define lua_tounsignedx(L,i,is) ((lua_Unsigned)lua_tointegerx(L,i,is))
-#define lua_tounsigned(L,i) lua_tounsignedx(L,(i),NULL)
-
-#endif
-/* }============================================================== */
-
-/*
-** {======================================================================
-** Debug API
-** =======================================================================
-*/
-
-
-/*
-** Event codes
-*/
-#define LUA_HOOKCALL 0
-#define LUA_HOOKRET 1
-#define LUA_HOOKLINE 2
-#define LUA_HOOKCOUNT 3
-#define LUA_HOOKTAILCALL 4
-
-
-/*
-** Event masks
-*/
-#define LUA_MASKCALL (1 << LUA_HOOKCALL)
-#define LUA_MASKRET (1 << LUA_HOOKRET)
-#define LUA_MASKLINE (1 << LUA_HOOKLINE)
-#define LUA_MASKCOUNT (1 << LUA_HOOKCOUNT)
-
-typedef struct lua_Debug lua_Debug; /* activation record */
-
-
-/* Functions to be called by the debugger in specific events */
-typedef void (*lua_Hook) (lua_State *L, lua_Debug *ar);
-
-
-LUA_API int (lua_getstack) (lua_State *L, int level, lua_Debug *ar);
-LUA_API int (lua_getinfo) (lua_State *L, const char *what, lua_Debug *ar);
-LUA_API const char *(lua_getlocal) (lua_State *L, const lua_Debug *ar, int n);
-LUA_API const char *(lua_setlocal) (lua_State *L, const lua_Debug *ar, int n);
-LUA_API const char *(lua_getupvalue) (lua_State *L, int funcindex, int n);
-LUA_API const char *(lua_setupvalue) (lua_State *L, int funcindex, int n);
-
-LUA_API void *(lua_upvalueid) (lua_State *L, int fidx, int n);
-LUA_API void (lua_upvaluejoin) (lua_State *L, int fidx1, int n1,
- int fidx2, int n2);
-
-LUA_API void (lua_sethook) (lua_State *L, lua_Hook func, int mask, int count);
-LUA_API lua_Hook (lua_gethook) (lua_State *L);
-LUA_API int (lua_gethookmask) (lua_State *L);
-LUA_API int (lua_gethookcount) (lua_State *L);
-
-
-struct lua_Debug {
- int event;
- const char *name; /* (n) */
- const char *namewhat; /* (n) 'global', 'local', 'field', 'method' */
- const char *what; /* (S) 'Lua', 'C', 'main', 'tail' */
- const char *source; /* (S) */
- int currentline; /* (l) */
- int linedefined; /* (S) */
- int lastlinedefined; /* (S) */
- unsigned char nups; /* (u) number of upvalues */
- unsigned char nparams;/* (u) number of parameters */
- char isvararg; /* (u) */
- char istailcall; /* (t) */
- char short_src[LUA_IDSIZE]; /* (S) */
- /* private part */
- struct CallInfo *i_ci; /* active function */
-};
-
-/* }====================================================================== */
-
-
-/******************************************************************************
-* Copyright (C) 1994-2020 Lua.org, PUC-Rio.
-*
-* Permission is hereby granted, free of charge, to any person obtaining
-* a copy of this software and associated documentation files (the
-* "Software"), to deal in the Software without restriction, including
-* without limitation the rights to use, copy, modify, merge, publish,
-* distribute, sublicense, and/or sell copies of the Software, and to
-* permit persons to whom the Software is furnished to do so, subject to
-* the following conditions:
-*
-* The above copyright notice and this permission notice shall be
-* included in all copies or substantial portions of the Software.
-*
-* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
-* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
-* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
-* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
-* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-******************************************************************************/
-
-
-#endif
diff --git a/Build/source/libs/lua53/lua53-src/src/lua.hpp b/Build/source/libs/lua53/lua53-src/src/lua.hpp
deleted file mode 100644
index ec417f59469..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/lua.hpp
+++ /dev/null
@@ -1,9 +0,0 @@
-// lua.hpp
-// Lua header files for C++
-// <<extern "C">> not supplied automatically because Lua also compiles as C++
-
-extern "C" {
-#include "lua.h"
-#include "lualib.h"
-#include "lauxlib.h"
-}
diff --git a/Build/source/libs/lua53/lua53-src/src/luac.c b/Build/source/libs/lua53/lua53-src/src/luac.c
deleted file mode 100644
index 549ad395004..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/luac.c
+++ /dev/null
@@ -1,450 +0,0 @@
-/*
-** $Id: luac.c,v 1.76 2018/06/19 01:32:02 lhf Exp $
-** Lua compiler (saves bytecodes to files; also lists bytecodes)
-** See Copyright Notice in lua.h
-*/
-
-#define luac_c
-#define LUA_CORE
-
-#include "lprefix.h"
-
-#include <ctype.h>
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "lua.h"
-#include "lauxlib.h"
-
-#include "lobject.h"
-#include "lstate.h"
-#include "lundump.h"
-
-static void PrintFunction(const Proto* f, int full);
-#define luaU_print PrintFunction
-
-#define PROGNAME "luac" /* default program name */
-#define OUTPUT PROGNAME ".out" /* default output file */
-
-static int listing=0; /* list bytecodes? */
-static int dumping=1; /* dump bytecodes? */
-static int stripping=0; /* strip debug information? */
-static char Output[]={ OUTPUT }; /* default output file name */
-static const char* output=Output; /* actual output file name */
-static const char* progname=PROGNAME; /* actual program name */
-
-static void fatal(const char* message)
-{
- fprintf(stderr,"%s: %s\n",progname,message);
- exit(EXIT_FAILURE);
-}
-
-static void cannot(const char* what)
-{
- fprintf(stderr,"%s: cannot %s %s: %s\n",progname,what,output,strerror(errno));
- exit(EXIT_FAILURE);
-}
-
-static void usage(const char* message)
-{
- if (*message=='-')
- fprintf(stderr,"%s: unrecognized option '%s'\n",progname,message);
- else
- fprintf(stderr,"%s: %s\n",progname,message);
- fprintf(stderr,
- "usage: %s [options] [filenames]\n"
- "Available options are:\n"
- " -l list (use -l -l for full listing)\n"
- " -o name output to file 'name' (default is \"%s\")\n"
- " -p parse only\n"
- " -s strip debug information\n"
- " -v show version information\n"
- " -- stop handling options\n"
- " - stop handling options and process stdin\n"
- ,progname,Output);
- exit(EXIT_FAILURE);
-}
-
-#define IS(s) (strcmp(argv[i],s)==0)
-
-static int doargs(int argc, char* argv[])
-{
- int i;
- int version=0;
- if (argv[0]!=NULL && *argv[0]!=0) progname=argv[0];
- for (i=1; i<argc; i++)
- {
- if (*argv[i]!='-') /* end of options; keep it */
- break;
- else if (IS("--")) /* end of options; skip it */
- {
- ++i;
- if (version) ++version;
- break;
- }
- else if (IS("-")) /* end of options; use stdin */
- break;
- else if (IS("-l")) /* list */
- ++listing;
- else if (IS("-o")) /* output file */
- {
- output=argv[++i];
- if (output==NULL || *output==0 || (*output=='-' && output[1]!=0))
- usage("'-o' needs argument");
- if (IS("-")) output=NULL;
- }
- else if (IS("-p")) /* parse only */
- dumping=0;
- else if (IS("-s")) /* strip debug information */
- stripping=1;
- else if (IS("-v")) /* show version */
- ++version;
- else /* unknown option */
- usage(argv[i]);
- }
- if (i==argc && (listing || !dumping))
- {
- dumping=0;
- argv[--i]=Output;
- }
- if (version)
- {
- printf("%s\n",LUA_COPYRIGHT);
- if (version==argc-1) exit(EXIT_SUCCESS);
- }
- return i;
-}
-
-#define FUNCTION "(function()end)();"
-
-static const char* reader(lua_State *L, void *ud, size_t *size)
-{
- UNUSED(L);
- if ((*(int*)ud)--)
- {
- *size=sizeof(FUNCTION)-1;
- return FUNCTION;
- }
- else
- {
- *size=0;
- return NULL;
- }
-}
-
-#define toproto(L,i) getproto(L->top+(i))
-
-static const Proto* combine(lua_State* L, int n)
-{
- if (n==1)
- return toproto(L,-1);
- else
- {
- Proto* f;
- int i=n;
- if (lua_load(L,reader,&i,"=(" PROGNAME ")",NULL)!=LUA_OK) fatal(lua_tostring(L,-1));
- f=toproto(L,-1);
- for (i=0; i<n; i++)
- {
- f->p[i]=toproto(L,i-n-1);
- if (f->p[i]->sizeupvalues>0) f->p[i]->upvalues[0].instack=0;
- }
- f->sizelineinfo=0;
- return f;
- }
-}
-
-static int writer(lua_State* L, const void* p, size_t size, void* u)
-{
- UNUSED(L);
- return (fwrite(p,size,1,(FILE*)u)!=1) && (size!=0);
-}
-
-static int pmain(lua_State* L)
-{
- int argc=(int)lua_tointeger(L,1);
- char** argv=(char**)lua_touserdata(L,2);
- const Proto* f;
- int i;
- if (!lua_checkstack(L,argc)) fatal("too many input files");
- for (i=0; i<argc; i++)
- {
- const char* filename=IS("-") ? NULL : argv[i];
- if (luaL_loadfile(L,filename)!=LUA_OK) fatal(lua_tostring(L,-1));
- }
- f=combine(L,argc);
- if (listing) luaU_print(f,listing>1);
- if (dumping)
- {
- FILE* D= (output==NULL) ? stdout : fopen(output,"wb");
- if (D==NULL) cannot("open");
- lua_lock(L);
- luaU_dump(L,f,writer,D,stripping);
- lua_unlock(L);
- if (ferror(D)) cannot("write");
- if (fclose(D)) cannot("close");
- }
- return 0;
-}
-
-int main(int argc, char* argv[])
-{
- lua_State* L;
- int i=doargs(argc,argv);
- argc-=i; argv+=i;
- if (argc<=0) usage("no input files given");
- L=luaL_newstate();
- if (L==NULL) fatal("cannot create state: not enough memory");
- lua_pushcfunction(L,&pmain);
- lua_pushinteger(L,argc);
- lua_pushlightuserdata(L,argv);
- if (lua_pcall(L,2,0,0)!=LUA_OK) fatal(lua_tostring(L,-1));
- lua_close(L);
- return EXIT_SUCCESS;
-}
-
-/*
-** $Id: luac.c,v 1.76 2018/06/19 01:32:02 lhf Exp $
-** print bytecodes
-** See Copyright Notice in lua.h
-*/
-
-#include <ctype.h>
-#include <stdio.h>
-
-#define luac_c
-#define LUA_CORE
-
-#include "ldebug.h"
-#include "lobject.h"
-#include "lopcodes.h"
-
-#define VOID(p) ((const void*)(p))
-
-static void PrintString(const TString* ts)
-{
- const char* s=getstr(ts);
- size_t i,n=tsslen(ts);
- printf("%c",'"');
- for (i=0; i<n; i++)
- {
- int c=(int)(unsigned char)s[i];
- switch (c)
- {
- case '"': printf("\\\""); break;
- case '\\': printf("\\\\"); break;
- case '\a': printf("\\a"); break;
- case '\b': printf("\\b"); break;
- case '\f': printf("\\f"); break;
- case '\n': printf("\\n"); break;
- case '\r': printf("\\r"); break;
- case '\t': printf("\\t"); break;
- case '\v': printf("\\v"); break;
- default: if (isprint(c))
- printf("%c",c);
- else
- printf("\\%03d",c);
- }
- }
- printf("%c",'"');
-}
-
-static void PrintConstant(const Proto* f, int i)
-{
- const TValue* o=&f->k[i];
- switch (ttype(o))
- {
- case LUA_TNIL:
- printf("nil");
- break;
- case LUA_TBOOLEAN:
- printf(bvalue(o) ? "true" : "false");
- break;
- case LUA_TNUMFLT:
- {
- char buff[100];
- sprintf(buff,LUA_NUMBER_FMT,fltvalue(o));
- printf("%s",buff);
- if (buff[strspn(buff,"-0123456789")]=='\0') printf(".0");
- break;
- }
- case LUA_TNUMINT:
- printf(LUA_INTEGER_FMT,ivalue(o));
- break;
- case LUA_TSHRSTR: case LUA_TLNGSTR:
- PrintString(tsvalue(o));
- break;
- default: /* cannot happen */
- printf("? type=%d",ttype(o));
- break;
- }
-}
-
-#define UPVALNAME(x) ((f->upvalues[x].name) ? getstr(f->upvalues[x].name) : "-")
-#define MYK(x) (-1-(x))
-
-static void PrintCode(const Proto* f)
-{
- const Instruction* code=f->code;
- int pc,n=f->sizecode;
- for (pc=0; pc<n; pc++)
- {
- Instruction i=code[pc];
- OpCode o=GET_OPCODE(i);
- int a=GETARG_A(i);
- int b=GETARG_B(i);
- int c=GETARG_C(i);
- int ax=GETARG_Ax(i);
- int bx=GETARG_Bx(i);
- int sbx=GETARG_sBx(i);
- int line=getfuncline(f,pc);
- printf("\t%d\t",pc+1);
- if (line>0) printf("[%d]\t",line); else printf("[-]\t");
- printf("%-9s\t",luaP_opnames[o]);
- switch (getOpMode(o))
- {
- case iABC:
- printf("%d",a);
- if (getBMode(o)!=OpArgN) printf(" %d",ISK(b) ? (MYK(INDEXK(b))) : b);
- if (getCMode(o)!=OpArgN) printf(" %d",ISK(c) ? (MYK(INDEXK(c))) : c);
- break;
- case iABx:
- printf("%d",a);
- if (getBMode(o)==OpArgK) printf(" %d",MYK(bx));
- if (getBMode(o)==OpArgU) printf(" %d",bx);
- break;
- case iAsBx:
- printf("%d %d",a,sbx);
- break;
- case iAx:
- printf("%d",MYK(ax));
- break;
- }
- switch (o)
- {
- case OP_LOADK:
- printf("\t; "); PrintConstant(f,bx);
- break;
- case OP_GETUPVAL:
- case OP_SETUPVAL:
- printf("\t; %s",UPVALNAME(b));
- break;
- case OP_GETTABUP:
- printf("\t; %s",UPVALNAME(b));
- if (ISK(c)) { printf(" "); PrintConstant(f,INDEXK(c)); }
- break;
- case OP_SETTABUP:
- printf("\t; %s",UPVALNAME(a));
- if (ISK(b)) { printf(" "); PrintConstant(f,INDEXK(b)); }
- if (ISK(c)) { printf(" "); PrintConstant(f,INDEXK(c)); }
- break;
- case OP_GETTABLE:
- case OP_SELF:
- if (ISK(c)) { printf("\t; "); PrintConstant(f,INDEXK(c)); }
- break;
- case OP_SETTABLE:
- case OP_ADD:
- case OP_SUB:
- case OP_MUL:
- case OP_MOD:
- case OP_POW:
- case OP_DIV:
- case OP_IDIV:
- case OP_BAND:
- case OP_BOR:
- case OP_BXOR:
- case OP_SHL:
- case OP_SHR:
- case OP_EQ:
- case OP_LT:
- case OP_LE:
- if (ISK(b) || ISK(c))
- {
- printf("\t; ");
- if (ISK(b)) PrintConstant(f,INDEXK(b)); else printf("-");
- printf(" ");
- if (ISK(c)) PrintConstant(f,INDEXK(c)); else printf("-");
- }
- break;
- case OP_JMP:
- case OP_FORLOOP:
- case OP_FORPREP:
- case OP_TFORLOOP:
- printf("\t; to %d",sbx+pc+2);
- break;
- case OP_CLOSURE:
- printf("\t; %p",VOID(f->p[bx]));
- break;
- case OP_SETLIST:
- if (c==0) printf("\t; %d",(int)code[++pc]); else printf("\t; %d",c);
- break;
- case OP_EXTRAARG:
- printf("\t; "); PrintConstant(f,ax);
- break;
- default:
- break;
- }
- printf("\n");
- }
-}
-
-#define SS(x) ((x==1)?"":"s")
-#define S(x) (int)(x),SS(x)
-
-static void PrintHeader(const Proto* f)
-{
- const char* s=f->source ? getstr(f->source) : "=?";
- if (*s=='@' || *s=='=')
- s++;
- else if (*s==LUA_SIGNATURE[0])
- s="(bstring)";
- else
- s="(string)";
- printf("\n%s <%s:%d,%d> (%d instruction%s at %p)\n",
- (f->linedefined==0)?"main":"function",s,
- f->linedefined,f->lastlinedefined,
- S(f->sizecode),VOID(f));
- printf("%d%s param%s, %d slot%s, %d upvalue%s, ",
- (int)(f->numparams),f->is_vararg?"+":"",SS(f->numparams),
- S(f->maxstacksize),S(f->sizeupvalues));
- printf("%d local%s, %d constant%s, %d function%s\n",
- S(f->sizelocvars),S(f->sizek),S(f->sizep));
-}
-
-static void PrintDebug(const Proto* f)
-{
- int i,n;
- n=f->sizek;
- printf("constants (%d) for %p:\n",n,VOID(f));
- for (i=0; i<n; i++)
- {
- printf("\t%d\t",i+1);
- PrintConstant(f,i);
- printf("\n");
- }
- n=f->sizelocvars;
- printf("locals (%d) for %p:\n",n,VOID(f));
- for (i=0; i<n; i++)
- {
- printf("\t%d\t%s\t%d\t%d\n",
- i,getstr(f->locvars[i].varname),f->locvars[i].startpc+1,f->locvars[i].endpc+1);
- }
- n=f->sizeupvalues;
- printf("upvalues (%d) for %p:\n",n,VOID(f));
- for (i=0; i<n; i++)
- {
- printf("\t%d\t%s\t%d\t%d\n",
- i,UPVALNAME(i),f->upvalues[i].instack,f->upvalues[i].idx);
- }
-}
-
-static void PrintFunction(const Proto* f, int full)
-{
- int i,n=f->sizep;
- PrintHeader(f);
- PrintCode(f);
- if (full) PrintDebug(f);
- for (i=0; i<n; i++) PrintFunction(f->p[i],full);
-}
diff --git a/Build/source/libs/lua53/lua53-src/src/luaconf.h b/Build/source/libs/lua53/lua53-src/src/luaconf.h
deleted file mode 100644
index 9eeeea69e20..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/luaconf.h
+++ /dev/null
@@ -1,790 +0,0 @@
-/*
-** $Id: luaconf.h,v 1.259.1.1 2017/04/19 17:29:57 roberto Exp $
-** Configuration file for Lua
-** See Copyright Notice in lua.h
-*/
-
-
-#ifndef luaconf_h
-#define luaconf_h
-
-#include <limits.h>
-#include <stddef.h>
-
-
-/*
-** ===================================================================
-** Search for "@@" to find all configurable definitions.
-** ===================================================================
-*/
-
-
-/*
-** {====================================================================
-** System Configuration: macros to adapt (if needed) Lua to some
-** particular platform, for instance compiling it with 32-bit numbers or
-** restricting it to C89.
-** =====================================================================
-*/
-
-/*
-@@ LUA_32BITS enables Lua with 32-bit integers and 32-bit floats. You
-** can also define LUA_32BITS in the make file, but changing here you
-** ensure that all software connected to Lua will be compiled with the
-** same configuration.
-*/
-/* #define LUA_32BITS */
-
-
-/*
-@@ LUA_USE_C89 controls the use of non-ISO-C89 features.
-** Define it if you want Lua to avoid the use of a few C99 features
-** or Windows-specific features on Windows.
-*/
-/* #define LUA_USE_C89 */
-
-
-/*
-** By default, Lua on Windows use (some) specific Windows features
-*/
-#if !defined(LUA_USE_C89) && defined(_WIN32) && !defined(_WIN32_WCE)
-#define LUA_USE_WINDOWS /* enable goodies for regular Windows */
-#endif
-
-
-#if defined(LUA_USE_WINDOWS)
-#define LUA_DL_DLL /* enable support for DLL */
-#define LUA_USE_C89 /* broadly, Windows is C89 */
-#endif
-
-
-#if defined(LUA_USE_LINUX)
-#define LUA_USE_POSIX
-#define LUA_USE_DLOPEN /* needs an extra library: -ldl */
-#define LUA_USE_READLINE /* needs some extra libraries */
-#endif
-
-
-#if defined(LUA_USE_MACOSX)
-#define LUA_USE_POSIX
-#define LUA_USE_DLOPEN /* MacOS does not need -ldl */
-#define LUA_USE_READLINE /* needs an extra library: -lreadline */
-#endif
-
-
-/*
-@@ LUA_C89_NUMBERS ensures that Lua uses the largest types available for
-** C89 ('long' and 'double'); Windows always has '__int64', so it does
-** not need to use this case.
-*/
-#if defined(LUA_USE_C89) && !defined(LUA_USE_WINDOWS)
-#define LUA_C89_NUMBERS
-#endif
-
-
-
-/*
-@@ LUAI_BITSINT defines the (minimum) number of bits in an 'int'.
-*/
-/* avoid undefined shifts */
-#if ((INT_MAX >> 15) >> 15) >= 1
-#define LUAI_BITSINT 32
-#else
-/* 'int' always must have at least 16 bits */
-#define LUAI_BITSINT 16
-#endif
-
-
-/*
-@@ LUA_INT_TYPE defines the type for Lua integers.
-@@ LUA_FLOAT_TYPE defines the type for Lua floats.
-** Lua should work fine with any mix of these options (if supported
-** by your C compiler). The usual configurations are 64-bit integers
-** and 'double' (the default), 32-bit integers and 'float' (for
-** restricted platforms), and 'long'/'double' (for C compilers not
-** compliant with C99, which may not have support for 'long long').
-*/
-
-/* predefined options for LUA_INT_TYPE */
-#define LUA_INT_INT 1
-#define LUA_INT_LONG 2
-#define LUA_INT_LONGLONG 3
-
-/* predefined options for LUA_FLOAT_TYPE */
-#define LUA_FLOAT_FLOAT 1
-#define LUA_FLOAT_DOUBLE 2
-#define LUA_FLOAT_LONGDOUBLE 3
-
-#if defined(LUA_32BITS) /* { */
-/*
-** 32-bit integers and 'float'
-*/
-#if LUAI_BITSINT >= 32 /* use 'int' if big enough */
-#define LUA_INT_TYPE LUA_INT_INT
-#else /* otherwise use 'long' */
-#define LUA_INT_TYPE LUA_INT_LONG
-#endif
-#define LUA_FLOAT_TYPE LUA_FLOAT_FLOAT
-
-#elif defined(LUA_C89_NUMBERS) /* }{ */
-/*
-** largest types available for C89 ('long' and 'double')
-*/
-#define LUA_INT_TYPE LUA_INT_LONG
-#define LUA_FLOAT_TYPE LUA_FLOAT_DOUBLE
-
-#endif /* } */
-
-
-/*
-** default configuration for 64-bit Lua ('long long' and 'double')
-*/
-#if !defined(LUA_INT_TYPE)
-#define LUA_INT_TYPE LUA_INT_LONGLONG
-#endif
-
-#if !defined(LUA_FLOAT_TYPE)
-#define LUA_FLOAT_TYPE LUA_FLOAT_DOUBLE
-#endif
-
-/* }================================================================== */
-
-
-
-
-/*
-** {==================================================================
-** Configuration for Paths.
-** ===================================================================
-*/
-
-/*
-** LUA_PATH_SEP is the character that separates templates in a path.
-** LUA_PATH_MARK is the string that marks the substitution points in a
-** template.
-** LUA_EXEC_DIR in a Windows path is replaced by the executable's
-** directory.
-*/
-#define LUA_PATH_SEP ";"
-#define LUA_PATH_MARK "?"
-#define LUA_EXEC_DIR "!"
-
-
-/*
-@@ LUA_PATH_DEFAULT is the default path that Lua uses to look for
-** Lua libraries.
-@@ LUA_CPATH_DEFAULT is the default path that Lua uses to look for
-** C libraries.
-** CHANGE them if your machine has a non-conventional directory
-** hierarchy or if you want to install your libraries in
-** non-conventional directories.
-*/
-#define LUA_VDIR LUA_VERSION_MAJOR "." LUA_VERSION_MINOR
-#if defined(_WIN32) /* { */
-/*
-** In Windows, any exclamation mark ('!') in the path is replaced by the
-** path of the directory of the executable file of the current process.
-*/
-#define LUA_LDIR "!\\lua\\"
-#define LUA_CDIR "!\\"
-#define LUA_SHRDIR "!\\..\\share\\lua\\" LUA_VDIR "\\"
-#define LUA_PATH_DEFAULT \
- LUA_LDIR"?.lua;" LUA_LDIR"?\\init.lua;" \
- LUA_CDIR"?.lua;" LUA_CDIR"?\\init.lua;" \
- LUA_SHRDIR"?.lua;" LUA_SHRDIR"?\\init.lua;" \
- ".\\?.lua;" ".\\?\\init.lua"
-#define LUA_CPATH_DEFAULT \
- LUA_CDIR"?.dll;" \
- LUA_CDIR"..\\lib\\lua\\" LUA_VDIR "\\?.dll;" \
- LUA_CDIR"loadall.dll;" ".\\?.dll"
-
-#else /* }{ */
-
-#define LUA_ROOT "/usr/local/"
-#define LUA_LDIR LUA_ROOT "share/lua/" LUA_VDIR "/"
-#define LUA_CDIR LUA_ROOT "lib/lua/" LUA_VDIR "/"
-#define LUA_PATH_DEFAULT \
- LUA_LDIR"?.lua;" LUA_LDIR"?/init.lua;" \
- LUA_CDIR"?.lua;" LUA_CDIR"?/init.lua;" \
- "./?.lua;" "./?/init.lua"
-#define LUA_CPATH_DEFAULT \
- LUA_CDIR"?.so;" LUA_CDIR"loadall.so;" "./?.so"
-#endif /* } */
-
-
-/*
-@@ LUA_DIRSEP is the directory separator (for submodules).
-** CHANGE it if your machine does not use "/" as the directory separator
-** and is not Windows. (On Windows Lua automatically uses "\".)
-*/
-#if defined(_WIN32)
-#define LUA_DIRSEP "\\"
-#else
-#define LUA_DIRSEP "/"
-#endif
-
-/* }================================================================== */
-
-
-/*
-** {==================================================================
-** Marks for exported symbols in the C code
-** ===================================================================
-*/
-
-/*
-@@ LUA_API is a mark for all core API functions.
-@@ LUALIB_API is a mark for all auxiliary library functions.
-@@ LUAMOD_API is a mark for all standard library opening functions.
-** CHANGE them if you need to define those functions in some special way.
-** For instance, if you want to create one Windows DLL with the core and
-** the libraries, you may want to use the following definition (define
-** LUA_BUILD_AS_DLL to get it).
-*/
-#if defined(LUA_BUILD_AS_DLL) /* { */
-
-#if defined(LUA_CORE) || defined(LUA_LIB) /* { */
-#define LUA_API __declspec(dllexport)
-#else /* }{ */
-#define LUA_API __declspec(dllimport)
-#endif /* } */
-
-#else /* }{ */
-
-#define LUA_API extern
-
-#endif /* } */
-
-
-/* more often than not the libs go together with the core */
-#define LUALIB_API LUA_API
-#define LUAMOD_API LUALIB_API
-
-
-/*
-@@ LUAI_FUNC is a mark for all extern functions that are not to be
-** exported to outside modules.
-@@ LUAI_DDEF and LUAI_DDEC are marks for all extern (const) variables
-** that are not to be exported to outside modules (LUAI_DDEF for
-** definitions and LUAI_DDEC for declarations).
-** CHANGE them if you need to mark them in some special way. Elf/gcc
-** (versions 3.2 and later) mark them as "hidden" to optimize access
-** when Lua is compiled as a shared library. Not all elf targets support
-** this attribute. Unfortunately, gcc does not offer a way to check
-** whether the target offers that support, and those without support
-** give a warning about it. To avoid these warnings, change to the
-** default definition.
-*/
-#if defined(__GNUC__) && ((__GNUC__*100 + __GNUC_MINOR__) >= 302) && \
- defined(__ELF__) /* { */
-#define LUAI_FUNC __attribute__((visibility("hidden"))) extern
-#else /* }{ */
-#define LUAI_FUNC extern
-#endif /* } */
-
-#define LUAI_DDEC LUAI_FUNC
-#define LUAI_DDEF /* empty */
-
-/* }================================================================== */
-
-
-/*
-** {==================================================================
-** Compatibility with previous versions
-** ===================================================================
-*/
-
-/*
-@@ LUA_COMPAT_5_2 controls other macros for compatibility with Lua 5.2.
-@@ LUA_COMPAT_5_1 controls other macros for compatibility with Lua 5.1.
-** You can define it to get all options, or change specific options
-** to fit your specific needs.
-*/
-#if defined(LUA_COMPAT_5_2) /* { */
-
-/*
-@@ LUA_COMPAT_MATHLIB controls the presence of several deprecated
-** functions in the mathematical library.
-*/
-#define LUA_COMPAT_MATHLIB
-
-/*
-@@ LUA_COMPAT_BITLIB controls the presence of library 'bit32'.
-*/
-#define LUA_COMPAT_BITLIB
-
-/*
-@@ LUA_COMPAT_IPAIRS controls the effectiveness of the __ipairs metamethod.
-*/
-#define LUA_COMPAT_IPAIRS
-
-/*
-@@ LUA_COMPAT_APIINTCASTS controls the presence of macros for
-** manipulating other integer types (lua_pushunsigned, lua_tounsigned,
-** luaL_checkint, luaL_checklong, etc.)
-*/
-#define LUA_COMPAT_APIINTCASTS
-
-#endif /* } */
-
-
-#if defined(LUA_COMPAT_5_1) /* { */
-
-/* Incompatibilities from 5.2 -> 5.3 */
-#define LUA_COMPAT_MATHLIB
-#define LUA_COMPAT_APIINTCASTS
-
-/*
-@@ LUA_COMPAT_UNPACK controls the presence of global 'unpack'.
-** You can replace it with 'table.unpack'.
-*/
-#define LUA_COMPAT_UNPACK
-
-/*
-@@ LUA_COMPAT_LOADERS controls the presence of table 'package.loaders'.
-** You can replace it with 'package.searchers'.
-*/
-#define LUA_COMPAT_LOADERS
-
-/*
-@@ macro 'lua_cpcall' emulates deprecated function lua_cpcall.
-** You can call your C function directly (with light C functions).
-*/
-#define lua_cpcall(L,f,u) \
- (lua_pushcfunction(L, (f)), \
- lua_pushlightuserdata(L,(u)), \
- lua_pcall(L,1,0,0))
-
-
-/*
-@@ LUA_COMPAT_LOG10 defines the function 'log10' in the math library.
-** You can rewrite 'log10(x)' as 'log(x, 10)'.
-*/
-#define LUA_COMPAT_LOG10
-
-/*
-@@ LUA_COMPAT_LOADSTRING defines the function 'loadstring' in the base
-** library. You can rewrite 'loadstring(s)' as 'load(s)'.
-*/
-#define LUA_COMPAT_LOADSTRING
-
-/*
-@@ LUA_COMPAT_MAXN defines the function 'maxn' in the table library.
-*/
-#define LUA_COMPAT_MAXN
-
-/*
-@@ The following macros supply trivial compatibility for some
-** changes in the API. The macros themselves document how to
-** change your code to avoid using them.
-*/
-#define lua_strlen(L,i) lua_rawlen(L, (i))
-
-#define lua_objlen(L,i) lua_rawlen(L, (i))
-
-#define lua_equal(L,idx1,idx2) lua_compare(L,(idx1),(idx2),LUA_OPEQ)
-#define lua_lessthan(L,idx1,idx2) lua_compare(L,(idx1),(idx2),LUA_OPLT)
-
-/*
-@@ LUA_COMPAT_MODULE controls compatibility with previous
-** module functions 'module' (Lua) and 'luaL_register' (C).
-*/
-#define LUA_COMPAT_MODULE
-
-#endif /* } */
-
-
-/*
-@@ LUA_COMPAT_FLOATSTRING makes Lua format integral floats without a
-@@ a float mark ('.0').
-** This macro is not on by default even in compatibility mode,
-** because this is not really an incompatibility.
-*/
-/* #define LUA_COMPAT_FLOATSTRING */
-
-/* }================================================================== */
-
-
-
-/*
-** {==================================================================
-** Configuration for Numbers.
-** Change these definitions if no predefined LUA_FLOAT_* / LUA_INT_*
-** satisfy your needs.
-** ===================================================================
-*/
-
-/*
-@@ LUA_NUMBER is the floating-point type used by Lua.
-@@ LUAI_UACNUMBER is the result of a 'default argument promotion'
-@@ over a floating number.
-@@ l_mathlim(x) corrects limit name 'x' to the proper float type
-** by prefixing it with one of FLT/DBL/LDBL.
-@@ LUA_NUMBER_FRMLEN is the length modifier for writing floats.
-@@ LUA_NUMBER_FMT is the format for writing floats.
-@@ lua_number2str converts a float to a string.
-@@ l_mathop allows the addition of an 'l' or 'f' to all math operations.
-@@ l_floor takes the floor of a float.
-@@ lua_str2number converts a decimal numeric string to a number.
-*/
-
-
-/* The following definitions are good for most cases here */
-
-#define l_floor(x) (l_mathop(floor)(x))
-
-#define lua_number2str(s,sz,n) \
- l_sprintf((s), sz, LUA_NUMBER_FMT, (LUAI_UACNUMBER)(n))
-
-/*
-@@ lua_numbertointeger converts a float number to an integer, or
-** returns 0 if float is not within the range of a lua_Integer.
-** (The range comparisons are tricky because of rounding. The tests
-** here assume a two-complement representation, where MININTEGER always
-** has an exact representation as a float; MAXINTEGER may not have one,
-** and therefore its conversion to float may have an ill-defined value.)
-*/
-#define lua_numbertointeger(n,p) \
- ((n) >= (LUA_NUMBER)(LUA_MININTEGER) && \
- (n) < -(LUA_NUMBER)(LUA_MININTEGER) && \
- (*(p) = (LUA_INTEGER)(n), 1))
-
-
-/* now the variable definitions */
-
-#if LUA_FLOAT_TYPE == LUA_FLOAT_FLOAT /* { single float */
-
-#define LUA_NUMBER float
-
-#define l_mathlim(n) (FLT_##n)
-
-#define LUAI_UACNUMBER double
-
-#define LUA_NUMBER_FRMLEN ""
-#define LUA_NUMBER_FMT "%.7g"
-
-#define l_mathop(op) op##f
-
-#define lua_str2number(s,p) strtof((s), (p))
-
-
-#elif LUA_FLOAT_TYPE == LUA_FLOAT_LONGDOUBLE /* }{ long double */
-
-#define LUA_NUMBER long double
-
-#define l_mathlim(n) (LDBL_##n)
-
-#define LUAI_UACNUMBER long double
-
-#define LUA_NUMBER_FRMLEN "L"
-#define LUA_NUMBER_FMT "%.19Lg"
-
-#define l_mathop(op) op##l
-
-#define lua_str2number(s,p) strtold((s), (p))
-
-#elif LUA_FLOAT_TYPE == LUA_FLOAT_DOUBLE /* }{ double */
-
-#define LUA_NUMBER double
-
-#define l_mathlim(n) (DBL_##n)
-
-#define LUAI_UACNUMBER double
-
-#define LUA_NUMBER_FRMLEN ""
-#define LUA_NUMBER_FMT "%.14g"
-
-#define l_mathop(op) op
-
-#define lua_str2number(s,p) strtod((s), (p))
-
-#else /* }{ */
-
-#error "numeric float type not defined"
-
-#endif /* } */
-
-
-
-/*
-@@ LUA_INTEGER is the integer type used by Lua.
-**
-@@ LUA_UNSIGNED is the unsigned version of LUA_INTEGER.
-**
-@@ LUAI_UACINT is the result of a 'default argument promotion'
-@@ over a lUA_INTEGER.
-@@ LUA_INTEGER_FRMLEN is the length modifier for reading/writing integers.
-@@ LUA_INTEGER_FMT is the format for writing integers.
-@@ LUA_MAXINTEGER is the maximum value for a LUA_INTEGER.
-@@ LUA_MININTEGER is the minimum value for a LUA_INTEGER.
-@@ lua_integer2str converts an integer to a string.
-*/
-
-
-/* The following definitions are good for most cases here */
-
-#define LUA_INTEGER_FMT "%" LUA_INTEGER_FRMLEN "d"
-
-#define LUAI_UACINT LUA_INTEGER
-
-#define lua_integer2str(s,sz,n) \
- l_sprintf((s), sz, LUA_INTEGER_FMT, (LUAI_UACINT)(n))
-
-/*
-** use LUAI_UACINT here to avoid problems with promotions (which
-** can turn a comparison between unsigneds into a signed comparison)
-*/
-#define LUA_UNSIGNED unsigned LUAI_UACINT
-
-
-/* now the variable definitions */
-
-#if LUA_INT_TYPE == LUA_INT_INT /* { int */
-
-#define LUA_INTEGER int
-#define LUA_INTEGER_FRMLEN ""
-
-#define LUA_MAXINTEGER INT_MAX
-#define LUA_MININTEGER INT_MIN
-
-#elif LUA_INT_TYPE == LUA_INT_LONG /* }{ long */
-
-#define LUA_INTEGER long
-#define LUA_INTEGER_FRMLEN "l"
-
-#define LUA_MAXINTEGER LONG_MAX
-#define LUA_MININTEGER LONG_MIN
-
-#elif LUA_INT_TYPE == LUA_INT_LONGLONG /* }{ long long */
-
-/* use presence of macro LLONG_MAX as proxy for C99 compliance */
-#if defined(LLONG_MAX) /* { */
-/* use ISO C99 stuff */
-
-#define LUA_INTEGER long long
-#define LUA_INTEGER_FRMLEN "ll"
-
-#define LUA_MAXINTEGER LLONG_MAX
-#define LUA_MININTEGER LLONG_MIN
-
-#elif defined(LUA_USE_WINDOWS) /* }{ */
-/* in Windows, can use specific Windows types */
-
-#define LUA_INTEGER __int64
-#define LUA_INTEGER_FRMLEN "I64"
-
-#define LUA_MAXINTEGER _I64_MAX
-#define LUA_MININTEGER _I64_MIN
-
-#else /* }{ */
-
-#error "Compiler does not support 'long long'. Use option '-DLUA_32BITS' \
- or '-DLUA_C89_NUMBERS' (see file 'luaconf.h' for details)"
-
-#endif /* } */
-
-#else /* }{ */
-
-#error "numeric integer type not defined"
-
-#endif /* } */
-
-/* }================================================================== */
-
-
-/*
-** {==================================================================
-** Dependencies with C99 and other C details
-** ===================================================================
-*/
-
-/*
-@@ l_sprintf is equivalent to 'snprintf' or 'sprintf' in C89.
-** (All uses in Lua have only one format item.)
-*/
-#if !defined(LUA_USE_C89)
-#define l_sprintf(s,sz,f,i) snprintf(s,sz,f,i)
-#else
-#define l_sprintf(s,sz,f,i) ((void)(sz), sprintf(s,f,i))
-#endif
-
-
-/*
-@@ lua_strx2number converts an hexadecimal numeric string to a number.
-** In C99, 'strtod' does that conversion. Otherwise, you can
-** leave 'lua_strx2number' undefined and Lua will provide its own
-** implementation.
-*/
-#if !defined(LUA_USE_C89)
-#define lua_strx2number(s,p) lua_str2number(s,p)
-#endif
-
-
-/*
-@@ lua_pointer2str converts a pointer to a readable string in a
-** non-specified way.
-*/
-#define lua_pointer2str(buff,sz,p) l_sprintf(buff,sz,"%p",p)
-
-
-/*
-@@ lua_number2strx converts a float to an hexadecimal numeric string.
-** In C99, 'sprintf' (with format specifiers '%a'/'%A') does that.
-** Otherwise, you can leave 'lua_number2strx' undefined and Lua will
-** provide its own implementation.
-*/
-#if !defined(LUA_USE_C89)
-#define lua_number2strx(L,b,sz,f,n) \
- ((void)L, l_sprintf(b,sz,f,(LUAI_UACNUMBER)(n)))
-#endif
-
-
-/*
-** 'strtof' and 'opf' variants for math functions are not valid in
-** C89. Otherwise, the macro 'HUGE_VALF' is a good proxy for testing the
-** availability of these variants. ('math.h' is already included in
-** all files that use these macros.)
-*/
-#if defined(LUA_USE_C89) || (defined(HUGE_VAL) && !defined(HUGE_VALF))
-#undef l_mathop /* variants not available */
-#undef lua_str2number
-#define l_mathop(op) (lua_Number)op /* no variant */
-#define lua_str2number(s,p) ((lua_Number)strtod((s), (p)))
-#endif
-
-
-/*
-@@ LUA_KCONTEXT is the type of the context ('ctx') for continuation
-** functions. It must be a numerical type; Lua will use 'intptr_t' if
-** available, otherwise it will use 'ptrdiff_t' (the nearest thing to
-** 'intptr_t' in C89)
-*/
-#define LUA_KCONTEXT ptrdiff_t
-
-#if !defined(LUA_USE_C89) && defined(__STDC_VERSION__) && \
- __STDC_VERSION__ >= 199901L
-#include <stdint.h>
-#if defined(INTPTR_MAX) /* even in C99 this type is optional */
-#undef LUA_KCONTEXT
-#define LUA_KCONTEXT intptr_t
-#endif
-#endif
-
-
-/*
-@@ lua_getlocaledecpoint gets the locale "radix character" (decimal point).
-** Change that if you do not want to use C locales. (Code using this
-** macro must include header 'locale.h'.)
-*/
-#if !defined(lua_getlocaledecpoint)
-#define lua_getlocaledecpoint() (localeconv()->decimal_point[0])
-#endif
-
-/* }================================================================== */
-
-
-/*
-** {==================================================================
-** Language Variations
-** =====================================================================
-*/
-
-/*
-@@ LUA_NOCVTN2S/LUA_NOCVTS2N control how Lua performs some
-** coercions. Define LUA_NOCVTN2S to turn off automatic coercion from
-** numbers to strings. Define LUA_NOCVTS2N to turn off automatic
-** coercion from strings to numbers.
-*/
-/* #define LUA_NOCVTN2S */
-/* #define LUA_NOCVTS2N */
-
-
-/*
-@@ LUA_USE_APICHECK turns on several consistency checks on the C API.
-** Define it as a help when debugging C code.
-*/
-#if defined(LUA_USE_APICHECK)
-#include <assert.h>
-#define luai_apicheck(l,e) assert(e)
-#endif
-
-/* }================================================================== */
-
-
-/*
-** {==================================================================
-** Macros that affect the API and must be stable (that is, must be the
-** same when you compile Lua and when you compile code that links to
-** Lua). You probably do not want/need to change them.
-** =====================================================================
-*/
-
-/*
-@@ LUAI_MAXSTACK limits the size of the Lua stack.
-** CHANGE it if you need a different limit. This limit is arbitrary;
-** its only purpose is to stop Lua from consuming unlimited stack
-** space (and to reserve some numbers for pseudo-indices).
-*/
-#if LUAI_BITSINT >= 32
-#define LUAI_MAXSTACK 1000000
-#else
-#define LUAI_MAXSTACK 15000
-#endif
-
-
-/*
-@@ LUA_EXTRASPACE defines the size of a raw memory area associated with
-** a Lua state with very fast access.
-** CHANGE it if you need a different size.
-*/
-#define LUA_EXTRASPACE (sizeof(void *))
-
-
-/*
-@@ LUA_IDSIZE gives the maximum size for the description of the source
-@@ of a function in debug information.
-** CHANGE it if you want a different size.
-*/
-#define LUA_IDSIZE 60
-
-
-/*
-@@ LUAL_BUFFERSIZE is the buffer size used by the lauxlib buffer system.
-** CHANGE it if it uses too much C-stack space. (For long double,
-** 'string.format("%.99f", -1e4932)' needs 5034 bytes, so a
-** smaller buffer would force a memory allocation for each call to
-** 'string.format'.)
-*/
-#if LUA_FLOAT_TYPE == LUA_FLOAT_LONGDOUBLE
-#define LUAL_BUFFERSIZE 8192
-#else
-#define LUAL_BUFFERSIZE ((int)(0x80 * sizeof(void*) * sizeof(lua_Integer)))
-#endif
-
-/* }================================================================== */
-
-
-/*
-@@ LUA_QL describes how error messages quote program elements.
-** Lua does not use these macros anymore; they are here for
-** compatibility only.
-*/
-#define LUA_QL(x) "'" x "'"
-#define LUA_QS LUA_QL("%s")
-
-
-
-
-/* =================================================================== */
-
-/*
-** Local configuration. You can use this space to add your redefinitions
-** without modifying the main part of the file.
-*/
-
-
-
-
-
-#endif
-
diff --git a/Build/source/libs/lua53/lua53-src/src/lualib.h b/Build/source/libs/lua53/lua53-src/src/lualib.h
deleted file mode 100644
index f5304aa0dd0..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/lualib.h
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
-** $Id: lualib.h,v 1.45.1.1 2017/04/19 17:20:42 roberto Exp $
-** Lua standard libraries
-** See Copyright Notice in lua.h
-*/
-
-
-#ifndef lualib_h
-#define lualib_h
-
-#include "lua.h"
-
-
-/* version suffix for environment variable names */
-#define LUA_VERSUFFIX "_" LUA_VERSION_MAJOR "_" LUA_VERSION_MINOR
-
-
-LUAMOD_API int (luaopen_base) (lua_State *L);
-
-#define LUA_COLIBNAME "coroutine"
-LUAMOD_API int (luaopen_coroutine) (lua_State *L);
-
-#define LUA_TABLIBNAME "table"
-LUAMOD_API int (luaopen_table) (lua_State *L);
-
-#define LUA_IOLIBNAME "io"
-LUAMOD_API int (luaopen_io) (lua_State *L);
-
-#define LUA_OSLIBNAME "os"
-LUAMOD_API int (luaopen_os) (lua_State *L);
-
-#define LUA_STRLIBNAME "string"
-LUAMOD_API int (luaopen_string) (lua_State *L);
-
-#define LUA_UTF8LIBNAME "utf8"
-LUAMOD_API int (luaopen_utf8) (lua_State *L);
-
-#define LUA_BITLIBNAME "bit32"
-LUAMOD_API int (luaopen_bit32) (lua_State *L);
-
-#define LUA_MATHLIBNAME "math"
-LUAMOD_API int (luaopen_math) (lua_State *L);
-
-#define LUA_DBLIBNAME "debug"
-LUAMOD_API int (luaopen_debug) (lua_State *L);
-
-#define LUA_LOADLIBNAME "package"
-LUAMOD_API int (luaopen_package) (lua_State *L);
-
-
-/* open all previous libraries */
-LUALIB_API void (luaL_openlibs) (lua_State *L);
-
-
-
-#if !defined(lua_assert)
-#define lua_assert(x) ((void)0)
-#endif
-
-
-#endif
diff --git a/Build/source/libs/lua53/lua53-src/src/lundump.c b/Build/source/libs/lua53/lua53-src/src/lundump.c
deleted file mode 100644
index edf9eb8d008..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/lundump.c
+++ /dev/null
@@ -1,287 +0,0 @@
-/*
-** $Id: lundump.c,v 2.44.1.1 2017/04/19 17:20:42 roberto Exp $
-** load precompiled Lua chunks
-** See Copyright Notice in lua.h
-*/
-
-#define lundump_c
-#define LUA_CORE
-
-#include "lprefix.h"
-
-
-#include <string.h>
-
-#include "lua.h"
-
-#include "ldebug.h"
-#include "ldo.h"
-#include "lfunc.h"
-#include "lmem.h"
-#include "lobject.h"
-#include "lstring.h"
-#include "lundump.h"
-#include "lzio.h"
-
-
-#if !defined(luai_verifycode)
-#define luai_verifycode(L,b,f) /* empty */
-#endif
-
-
-typedef struct {
- lua_State *L;
- ZIO *Z;
- const char *name;
-} LoadState;
-
-
-static l_noret error(LoadState *S, const char *why) {
- luaO_pushfstring(S->L, "%s: %s precompiled chunk", S->name, why);
- luaD_throw(S->L, LUA_ERRSYNTAX);
-}
-
-
-/*
-** All high-level loads go through LoadVector; you can change it to
-** adapt to the endianness of the input
-*/
-#define LoadVector(S,b,n) LoadBlock(S,b,(n)*sizeof((b)[0]))
-
-static void LoadBlock (LoadState *S, void *b, size_t size) {
- if (luaZ_read(S->Z, b, size) != 0)
- error(S, "truncated");
-}
-
-
-#define LoadVar(S,x) LoadVector(S,&x,1)
-
-
-static lu_byte LoadByte (LoadState *S) {
- lu_byte x;
- LoadVar(S, x);
- return x;
-}
-
-
-static int LoadInt (LoadState *S) {
- int x;
- LoadVar(S, x);
- return x;
-}
-
-
-static lua_Number LoadNumber (LoadState *S) {
- lua_Number x;
- LoadVar(S, x);
- return x;
-}
-
-
-static lua_Integer LoadInteger (LoadState *S) {
- lua_Integer x;
- LoadVar(S, x);
- return x;
-}
-
-
-static TString *LoadString (LoadState *S, Proto *p) {
- lua_State *L = S->L;
- size_t size = LoadByte(S);
- TString *ts;
- if (size == 0xFF)
- LoadVar(S, size);
- if (size == 0)
- return NULL;
- else if (--size <= LUAI_MAXSHORTLEN) { /* short string? */
- char buff[LUAI_MAXSHORTLEN];
- LoadVector(S, buff, size);
- ts = luaS_newlstr(L, buff, size);
- }
- else { /* long string */
- ts = luaS_createlngstrobj(L, size);
- setsvalue2s(L, L->top, ts); /* anchor it ('loadVector' can GC) */
- luaD_inctop(L);
- LoadVector(S, getstr(ts), size); /* load directly in final place */
- L->top--; /* pop string */
- }
- luaC_objbarrier(L, p, ts);
- return ts;
-}
-
-
-static void LoadCode (LoadState *S, Proto *f) {
- int n = LoadInt(S);
- f->code = luaM_newvector(S->L, n, Instruction);
- f->sizecode = n;
- LoadVector(S, f->code, n);
-}
-
-
-static void LoadFunction(LoadState *S, Proto *f, TString *psource);
-
-
-static void LoadConstants (LoadState *S, Proto *f) {
- int i;
- int n = LoadInt(S);
- f->k = luaM_newvector(S->L, n, TValue);
- f->sizek = n;
- for (i = 0; i < n; i++)
- setnilvalue(&f->k[i]);
- for (i = 0; i < n; i++) {
- TValue *o = &f->k[i];
- int t = LoadByte(S);
- switch (t) {
- case LUA_TNIL:
- setnilvalue(o);
- break;
- case LUA_TBOOLEAN:
- setbvalue(o, LoadByte(S));
- break;
- case LUA_TNUMFLT:
- setfltvalue(o, LoadNumber(S));
- break;
- case LUA_TNUMINT:
- setivalue(o, LoadInteger(S));
- break;
- case LUA_TSHRSTR:
- case LUA_TLNGSTR:
- setsvalue2n(S->L, o, LoadString(S, f));
- break;
- default:
- lua_assert(0);
- }
- }
-}
-
-
-static void LoadProtos (LoadState *S, Proto *f) {
- int i;
- int n = LoadInt(S);
- f->p = luaM_newvector(S->L, n, Proto *);
- f->sizep = n;
- for (i = 0; i < n; i++)
- f->p[i] = NULL;
- for (i = 0; i < n; i++) {
- f->p[i] = luaF_newproto(S->L);
- luaC_objbarrier(S->L, f, f->p[i]);
- LoadFunction(S, f->p[i], f->source);
- }
-}
-
-
-static void LoadUpvalues (LoadState *S, Proto *f) {
- int i, n;
- n = LoadInt(S);
- f->upvalues = luaM_newvector(S->L, n, Upvaldesc);
- f->sizeupvalues = n;
- for (i = 0; i < n; i++)
- f->upvalues[i].name = NULL;
- for (i = 0; i < n; i++) {
- f->upvalues[i].instack = LoadByte(S);
- f->upvalues[i].idx = LoadByte(S);
- }
-}
-
-
-static void LoadDebug (LoadState *S, Proto *f) {
- int i, n;
- n = LoadInt(S);
- f->lineinfo = luaM_newvector(S->L, n, int);
- f->sizelineinfo = n;
- LoadVector(S, f->lineinfo, n);
- n = LoadInt(S);
- f->locvars = luaM_newvector(S->L, n, LocVar);
- f->sizelocvars = n;
- for (i = 0; i < n; i++)
- f->locvars[i].varname = NULL;
- for (i = 0; i < n; i++) {
- f->locvars[i].varname = LoadString(S, f);
- f->locvars[i].startpc = LoadInt(S);
- f->locvars[i].endpc = LoadInt(S);
- }
- n = LoadInt(S);
- for (i = 0; i < n; i++)
- f->upvalues[i].name = LoadString(S, f);
-}
-
-
-static void LoadFunction (LoadState *S, Proto *f, TString *psource) {
- f->source = LoadString(S, f);
- if (f->source == NULL) /* no source in dump? */
- f->source = psource; /* reuse parent's source */
- f->linedefined = LoadInt(S);
- f->lastlinedefined = LoadInt(S);
- f->numparams = LoadByte(S);
- f->is_vararg = LoadByte(S);
- f->maxstacksize = LoadByte(S);
- LoadCode(S, f);
- LoadConstants(S, f);
- LoadUpvalues(S, f);
- LoadProtos(S, f);
- LoadDebug(S, f);
-}
-
-
-static void checkliteral (LoadState *S, const char *s, const char *msg) {
- char buff[sizeof(LUA_SIGNATURE) + sizeof(LUAC_DATA)]; /* larger than both */
- size_t len = strlen(s);
- LoadVector(S, buff, len);
- if (memcmp(s, buff, len) != 0)
- error(S, msg);
-}
-
-
-static void fchecksize (LoadState *S, size_t size, const char *tname) {
- if (LoadByte(S) != size)
- error(S, luaO_pushfstring(S->L, "%s size mismatch in", tname));
-}
-
-
-#define checksize(S,t) fchecksize(S,sizeof(t),#t)
-
-static void checkHeader (LoadState *S) {
- checkliteral(S, LUA_SIGNATURE + 1, "not a"); /* 1st char already checked */
- if (LoadByte(S) != LUAC_VERSION)
- error(S, "version mismatch in");
- if (LoadByte(S) != LUAC_FORMAT)
- error(S, "format mismatch in");
- checkliteral(S, LUAC_DATA, "corrupted");
- checksize(S, int);
- checksize(S, size_t);
- checksize(S, Instruction);
- checksize(S, lua_Integer);
- checksize(S, lua_Number);
- if (LoadInteger(S) != LUAC_INT)
- error(S, "endianness mismatch in");
- if (LoadNumber(S) != LUAC_NUM)
- error(S, "float format mismatch in");
-}
-
-
-/*
-** load precompiled chunk
-*/
-LClosure *luaU_undump(lua_State *L, ZIO *Z, const char *name) {
- LoadState S;
- LClosure *cl;
- if (*name == '@' || *name == '=')
- S.name = name + 1;
- else if (*name == LUA_SIGNATURE[0])
- S.name = "binary string";
- else
- S.name = name;
- S.L = L;
- S.Z = Z;
- checkHeader(&S);
- cl = luaF_newLclosure(L, LoadByte(&S));
- setclLvalue(L, L->top, cl);
- luaD_inctop(L);
- cl->p = luaF_newproto(L);
- luaC_objbarrier(L, cl, cl->p);
- LoadFunction(&S, cl->p, NULL);
- lua_assert(cl->nupvalues == cl->p->sizeupvalues);
- luai_verifycode(L, buff, cl->p);
- return cl;
-}
-
diff --git a/Build/source/libs/lua53/lua53-src/src/lundump.h b/Build/source/libs/lua53/lua53-src/src/lundump.h
deleted file mode 100644
index f3e2e9061d6..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/lundump.h
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
-** $Id: lundump.h,v 1.45.1.1 2017/04/19 17:20:42 roberto Exp $
-** load precompiled Lua chunks
-** See Copyright Notice in lua.h
-*/
-
-#ifndef lundump_h
-#define lundump_h
-
-#include "llimits.h"
-#include "lobject.h"
-#include "lzio.h"
-
-
-/* data to catch conversion errors */
-#define LUAC_DATA "\x19\x93\r\n\x1a\n"
-
-#define LUAC_INT 0x5678
-#define LUAC_NUM cast_num(370.5)
-
-#define MYINT(s) (s[0]-'0')
-#define LUAC_VERSION (MYINT(LUA_VERSION_MAJOR)*16+MYINT(LUA_VERSION_MINOR))
-#define LUAC_FORMAT 0 /* this is the official format */
-
-/* load one chunk; from lundump.c */
-LUAI_FUNC LClosure* luaU_undump (lua_State* L, ZIO* Z, const char* name);
-
-/* dump one chunk; from ldump.c */
-LUA_API int luaU_dump (lua_State* L, const Proto* f, lua_Writer w,
- void* data, int strip);
-
-#endif
diff --git a/Build/source/libs/lua53/lua53-src/src/lundump.h.orig b/Build/source/libs/lua53/lua53-src/src/lundump.h.orig
deleted file mode 100644
index ce492d689cd..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/lundump.h.orig
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
-** $Id: lundump.h,v 1.45.1.1 2017/04/19 17:20:42 roberto Exp $
-** load precompiled Lua chunks
-** See Copyright Notice in lua.h
-*/
-
-#ifndef lundump_h
-#define lundump_h
-
-#include "llimits.h"
-#include "lobject.h"
-#include "lzio.h"
-
-
-/* data to catch conversion errors */
-#define LUAC_DATA "\x19\x93\r\n\x1a\n"
-
-#define LUAC_INT 0x5678
-#define LUAC_NUM cast_num(370.5)
-
-#define MYINT(s) (s[0]-'0')
-#define LUAC_VERSION (MYINT(LUA_VERSION_MAJOR)*16+MYINT(LUA_VERSION_MINOR))
-#define LUAC_FORMAT 0 /* this is the official format */
-
-/* load one chunk; from lundump.c */
-LUAI_FUNC LClosure* luaU_undump (lua_State* L, ZIO* Z, const char* name);
-
-/* dump one chunk; from ldump.c */
-LUAI_FUNC int luaU_dump (lua_State* L, const Proto* f, lua_Writer w,
- void* data, int strip);
-
-#endif
diff --git a/Build/source/libs/lua53/lua53-src/src/lutf8lib.c b/Build/source/libs/lua53/lua53-src/src/lutf8lib.c
deleted file mode 100644
index 10bd238a71d..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/lutf8lib.c
+++ /dev/null
@@ -1,256 +0,0 @@
-/*
-** $Id: lutf8lib.c,v 1.16.1.1 2017/04/19 17:29:57 roberto Exp $
-** Standard library for UTF-8 manipulation
-** See Copyright Notice in lua.h
-*/
-
-#define lutf8lib_c
-#define LUA_LIB
-
-#include "lprefix.h"
-
-
-#include <assert.h>
-#include <limits.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "lua.h"
-
-#include "lauxlib.h"
-#include "lualib.h"
-
-#define MAXUNICODE 0x10FFFF
-
-#define iscont(p) ((*(p) & 0xC0) == 0x80)
-
-
-/* from strlib */
-/* translate a relative string position: negative means back from end */
-static lua_Integer u_posrelat (lua_Integer pos, size_t len) {
- if (pos >= 0) return pos;
- else if (0u - (size_t)pos > len) return 0;
- else return (lua_Integer)len + pos + 1;
-}
-
-
-/*
-** Decode one UTF-8 sequence, returning NULL if byte sequence is invalid.
-*/
-static const char *utf8_decode (const char *o, int *val) {
- static const unsigned int limits[] = {0xFF, 0x7F, 0x7FF, 0xFFFF};
- const unsigned char *s = (const unsigned char *)o;
- unsigned int c = s[0];
- unsigned int res = 0; /* final result */
- if (c < 0x80) /* ascii? */
- res = c;
- else {
- int count = 0; /* to count number of continuation bytes */
- while (c & 0x40) { /* still have continuation bytes? */
- int cc = s[++count]; /* read next byte */
- if ((cc & 0xC0) != 0x80) /* not a continuation byte? */
- return NULL; /* invalid byte sequence */
- res = (res << 6) | (cc & 0x3F); /* add lower 6 bits from cont. byte */
- c <<= 1; /* to test next bit */
- }
- res |= ((c & 0x7F) << (count * 5)); /* add first byte */
- if (count > 3 || res > MAXUNICODE || res <= limits[count])
- return NULL; /* invalid byte sequence */
- s += count; /* skip continuation bytes read */
- }
- if (val) *val = res;
- return (const char *)s + 1; /* +1 to include first byte */
-}
-
-
-/*
-** utf8len(s [, i [, j]]) --> number of characters that start in the
-** range [i,j], or nil + current position if 's' is not well formed in
-** that interval
-*/
-static int utflen (lua_State *L) {
- int n = 0;
- size_t len;
- const char *s = luaL_checklstring(L, 1, &len);
- lua_Integer posi = u_posrelat(luaL_optinteger(L, 2, 1), len);
- lua_Integer posj = u_posrelat(luaL_optinteger(L, 3, -1), len);
- luaL_argcheck(L, 1 <= posi && --posi <= (lua_Integer)len, 2,
- "initial position out of string");
- luaL_argcheck(L, --posj < (lua_Integer)len, 3,
- "final position out of string");
- while (posi <= posj) {
- const char *s1 = utf8_decode(s + posi, NULL);
- if (s1 == NULL) { /* conversion error? */
- lua_pushnil(L); /* return nil ... */
- lua_pushinteger(L, posi + 1); /* ... and current position */
- return 2;
- }
- posi = s1 - s;
- n++;
- }
- lua_pushinteger(L, n);
- return 1;
-}
-
-
-/*
-** codepoint(s, [i, [j]]) -> returns codepoints for all characters
-** that start in the range [i,j]
-*/
-static int codepoint (lua_State *L) {
- size_t len;
- const char *s = luaL_checklstring(L, 1, &len);
- lua_Integer posi = u_posrelat(luaL_optinteger(L, 2, 1), len);
- lua_Integer pose = u_posrelat(luaL_optinteger(L, 3, posi), len);
- int n;
- const char *se;
- luaL_argcheck(L, posi >= 1, 2, "out of range");
- luaL_argcheck(L, pose <= (lua_Integer)len, 3, "out of range");
- if (posi > pose) return 0; /* empty interval; return no values */
- if (pose - posi >= INT_MAX) /* (lua_Integer -> int) overflow? */
- return luaL_error(L, "string slice too long");
- n = (int)(pose - posi) + 1;
- luaL_checkstack(L, n, "string slice too long");
- n = 0;
- se = s + pose;
- for (s += posi - 1; s < se;) {
- int code;
- s = utf8_decode(s, &code);
- if (s == NULL)
- return luaL_error(L, "invalid UTF-8 code");
- lua_pushinteger(L, code);
- n++;
- }
- return n;
-}
-
-
-static void pushutfchar (lua_State *L, int arg) {
- lua_Integer code = luaL_checkinteger(L, arg);
- luaL_argcheck(L, 0 <= code && code <= MAXUNICODE, arg, "value out of range");
- lua_pushfstring(L, "%U", (long)code);
-}
-
-
-/*
-** utfchar(n1, n2, ...) -> char(n1)..char(n2)...
-*/
-static int utfchar (lua_State *L) {
- int n = lua_gettop(L); /* number of arguments */
- if (n == 1) /* optimize common case of single char */
- pushutfchar(L, 1);
- else {
- int i;
- luaL_Buffer b;
- luaL_buffinit(L, &b);
- for (i = 1; i <= n; i++) {
- pushutfchar(L, i);
- luaL_addvalue(&b);
- }
- luaL_pushresult(&b);
- }
- return 1;
-}
-
-
-/*
-** offset(s, n, [i]) -> index where n-th character counting from
-** position 'i' starts; 0 means character at 'i'.
-*/
-static int byteoffset (lua_State *L) {
- size_t len;
- const char *s = luaL_checklstring(L, 1, &len);
- lua_Integer n = luaL_checkinteger(L, 2);
- lua_Integer posi = (n >= 0) ? 1 : len + 1;
- posi = u_posrelat(luaL_optinteger(L, 3, posi), len);
- luaL_argcheck(L, 1 <= posi && --posi <= (lua_Integer)len, 3,
- "position out of range");
- if (n == 0) {
- /* find beginning of current byte sequence */
- while (posi > 0 && iscont(s + posi)) posi--;
- }
- else {
- if (iscont(s + posi))
- return luaL_error(L, "initial position is a continuation byte");
- if (n < 0) {
- while (n < 0 && posi > 0) { /* move back */
- do { /* find beginning of previous character */
- posi--;
- } while (posi > 0 && iscont(s + posi));
- n++;
- }
- }
- else {
- n--; /* do not move for 1st character */
- while (n > 0 && posi < (lua_Integer)len) {
- do { /* find beginning of next character */
- posi++;
- } while (iscont(s + posi)); /* (cannot pass final '\0') */
- n--;
- }
- }
- }
- if (n == 0) /* did it find given character? */
- lua_pushinteger(L, posi + 1);
- else /* no such character */
- lua_pushnil(L);
- return 1;
-}
-
-
-static int iter_aux (lua_State *L) {
- size_t len;
- const char *s = luaL_checklstring(L, 1, &len);
- lua_Integer n = lua_tointeger(L, 2) - 1;
- if (n < 0) /* first iteration? */
- n = 0; /* start from here */
- else if (n < (lua_Integer)len) {
- n++; /* skip current byte */
- while (iscont(s + n)) n++; /* and its continuations */
- }
- if (n >= (lua_Integer)len)
- return 0; /* no more codepoints */
- else {
- int code;
- const char *next = utf8_decode(s + n, &code);
- if (next == NULL || iscont(next))
- return luaL_error(L, "invalid UTF-8 code");
- lua_pushinteger(L, n + 1);
- lua_pushinteger(L, code);
- return 2;
- }
-}
-
-
-static int iter_codes (lua_State *L) {
- luaL_checkstring(L, 1);
- lua_pushcfunction(L, iter_aux);
- lua_pushvalue(L, 1);
- lua_pushinteger(L, 0);
- return 3;
-}
-
-
-/* pattern to match a single UTF-8 character */
-#define UTF8PATT "[\0-\x7F\xC2-\xF4][\x80-\xBF]*"
-
-
-static const luaL_Reg funcs[] = {
- {"offset", byteoffset},
- {"codepoint", codepoint},
- {"char", utfchar},
- {"len", utflen},
- {"codes", iter_codes},
- /* placeholders */
- {"charpattern", NULL},
- {NULL, NULL}
-};
-
-
-LUAMOD_API int luaopen_utf8 (lua_State *L) {
- luaL_newlib(L, funcs);
- lua_pushlstring(L, UTF8PATT, sizeof(UTF8PATT)/sizeof(char) - 1);
- lua_setfield(L, -2, "charpattern");
- return 1;
-}
-
diff --git a/Build/source/libs/lua53/lua53-src/src/lvm.c b/Build/source/libs/lua53/lua53-src/src/lvm.c
deleted file mode 100644
index cc43d8714db..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/lvm.c
+++ /dev/null
@@ -1,1322 +0,0 @@
-/*
-** $Id: lvm.c,v 2.268.1.1 2017/04/19 17:39:34 roberto Exp $
-** Lua virtual machine
-** See Copyright Notice in lua.h
-*/
-
-#define lvm_c
-#define LUA_CORE
-
-#include "lprefix.h"
-
-#include <float.h>
-#include <limits.h>
-#include <math.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "lua.h"
-
-#include "ldebug.h"
-#include "ldo.h"
-#include "lfunc.h"
-#include "lgc.h"
-#include "lobject.h"
-#include "lopcodes.h"
-#include "lstate.h"
-#include "lstring.h"
-#include "ltable.h"
-#include "ltm.h"
-#include "lvm.h"
-
-
-/* limit for table tag-method chains (to avoid loops) */
-#define MAXTAGLOOP 2000
-
-
-
-/*
-** 'l_intfitsf' checks whether a given integer can be converted to a
-** float without rounding. Used in comparisons. Left undefined if
-** all integers fit in a float precisely.
-*/
-#if !defined(l_intfitsf)
-
-/* number of bits in the mantissa of a float */
-#define NBM (l_mathlim(MANT_DIG))
-
-/*
-** Check whether some integers may not fit in a float, that is, whether
-** (maxinteger >> NBM) > 0 (that implies (1 << NBM) <= maxinteger).
-** (The shifts are done in parts to avoid shifting by more than the size
-** of an integer. In a worst case, NBM == 113 for long double and
-** sizeof(integer) == 32.)
-*/
-#if ((((LUA_MAXINTEGER >> (NBM / 4)) >> (NBM / 4)) >> (NBM / 4)) \
- >> (NBM - (3 * (NBM / 4)))) > 0
-
-#define l_intfitsf(i) \
- (-((lua_Integer)1 << NBM) <= (i) && (i) <= ((lua_Integer)1 << NBM))
-
-#endif
-
-#endif
-
-
-
-/*
-** Try to convert a value to a float. The float case is already handled
-** by the macro 'tonumber'.
-*/
-int luaV_tonumber_ (const TValue *obj, lua_Number *n) {
- TValue v;
- if (ttisinteger(obj)) {
- *n = cast_num(ivalue(obj));
- return 1;
- }
- else if (cvt2num(obj) && /* string convertible to number? */
- luaO_str2num(svalue(obj), &v) == vslen(obj) + 1) {
- *n = nvalue(&v); /* convert result of 'luaO_str2num' to a float */
- return 1;
- }
- else
- return 0; /* conversion failed */
-}
-
-
-/*
-** try to convert a value to an integer, rounding according to 'mode':
-** mode == 0: accepts only integral values
-** mode == 1: takes the floor of the number
-** mode == 2: takes the ceil of the number
-*/
-int luaV_tointeger (const TValue *obj, lua_Integer *p, int mode) {
- TValue v;
- again:
- if (ttisfloat(obj)) {
- lua_Number n = fltvalue(obj);
- lua_Number f = l_floor(n);
- if (n != f) { /* not an integral value? */
- if (mode == 0) return 0; /* fails if mode demands integral value */
- else if (mode > 1) /* needs ceil? */
- f += 1; /* convert floor to ceil (remember: n != f) */
- }
- return lua_numbertointeger(f, p);
- }
- else if (ttisinteger(obj)) {
- *p = ivalue(obj);
- return 1;
- }
- else if (cvt2num(obj) &&
- luaO_str2num(svalue(obj), &v) == vslen(obj) + 1) {
- obj = &v;
- goto again; /* convert result from 'luaO_str2num' to an integer */
- }
- return 0; /* conversion failed */
-}
-
-
-/*
-** Try to convert a 'for' limit to an integer, preserving the
-** semantics of the loop.
-** (The following explanation assumes a non-negative step; it is valid
-** for negative steps mutatis mutandis.)
-** If the limit can be converted to an integer, rounding down, that is
-** it.
-** Otherwise, check whether the limit can be converted to a number. If
-** the number is too large, it is OK to set the limit as LUA_MAXINTEGER,
-** which means no limit. If the number is too negative, the loop
-** should not run, because any initial integer value is larger than the
-** limit. So, it sets the limit to LUA_MININTEGER. 'stopnow' corrects
-** the extreme case when the initial value is LUA_MININTEGER, in which
-** case the LUA_MININTEGER limit would still run the loop once.
-*/
-static int forlimit (const TValue *obj, lua_Integer *p, lua_Integer step,
- int *stopnow) {
- *stopnow = 0; /* usually, let loops run */
- if (!luaV_tointeger(obj, p, (step < 0 ? 2 : 1))) { /* not fit in integer? */
- lua_Number n; /* try to convert to float */
- if (!tonumber(obj, &n)) /* cannot convert to float? */
- return 0; /* not a number */
- if (luai_numlt(0, n)) { /* if true, float is larger than max integer */
- *p = LUA_MAXINTEGER;
- if (step < 0) *stopnow = 1;
- }
- else { /* float is smaller than min integer */
- *p = LUA_MININTEGER;
- if (step >= 0) *stopnow = 1;
- }
- }
- return 1;
-}
-
-
-/*
-** Finish the table access 'val = t[key]'.
-** if 'slot' is NULL, 't' is not a table; otherwise, 'slot' points to
-** t[k] entry (which must be nil).
-*/
-void luaV_finishget (lua_State *L, const TValue *t, TValue *key, StkId val,
- const TValue *slot) {
- int loop; /* counter to avoid infinite loops */
- const TValue *tm; /* metamethod */
- for (loop = 0; loop < MAXTAGLOOP; loop++) {
- if (slot == NULL) { /* 't' is not a table? */
- lua_assert(!ttistable(t));
- tm = luaT_gettmbyobj(L, t, TM_INDEX);
- if (ttisnil(tm))
- luaG_typeerror(L, t, "index"); /* no metamethod */
- /* else will try the metamethod */
- }
- else { /* 't' is a table */
- lua_assert(ttisnil(slot));
- tm = fasttm(L, hvalue(t)->metatable, TM_INDEX); /* table's metamethod */
- if (tm == NULL) { /* no metamethod? */
- setnilvalue(val); /* result is nil */
- return;
- }
- /* else will try the metamethod */
- }
- if (ttisfunction(tm)) { /* is metamethod a function? */
- luaT_callTM(L, tm, t, key, val, 1); /* call it */
- return;
- }
- t = tm; /* else try to access 'tm[key]' */
- if (luaV_fastget(L,t,key,slot,luaH_get)) { /* fast track? */
- setobj2s(L, val, slot); /* done */
- return;
- }
- /* else repeat (tail call 'luaV_finishget') */
- }
- luaG_runerror(L, "'__index' chain too long; possible loop");
-}
-
-
-/*
-** Finish a table assignment 't[key] = val'.
-** If 'slot' is NULL, 't' is not a table. Otherwise, 'slot' points
-** to the entry 't[key]', or to 'luaO_nilobject' if there is no such
-** entry. (The value at 'slot' must be nil, otherwise 'luaV_fastset'
-** would have done the job.)
-*/
-void luaV_finishset (lua_State *L, const TValue *t, TValue *key,
- StkId val, const TValue *slot) {
- int loop; /* counter to avoid infinite loops */
- for (loop = 0; loop < MAXTAGLOOP; loop++) {
- const TValue *tm; /* '__newindex' metamethod */
- if (slot != NULL) { /* is 't' a table? */
- Table *h = hvalue(t); /* save 't' table */
- lua_assert(ttisnil(slot)); /* old value must be nil */
- tm = fasttm(L, h->metatable, TM_NEWINDEX); /* get metamethod */
- if (tm == NULL) { /* no metamethod? */
- if (slot == luaO_nilobject) /* no previous entry? */
- slot = luaH_newkey(L, h, key); /* create one */
- /* no metamethod and (now) there is an entry with given key */
- setobj2t(L, cast(TValue *, slot), val); /* set its new value */
- invalidateTMcache(h);
- luaC_barrierback(L, h, val);
- return;
- }
- /* else will try the metamethod */
- }
- else { /* not a table; check metamethod */
- if (ttisnil(tm = luaT_gettmbyobj(L, t, TM_NEWINDEX)))
- luaG_typeerror(L, t, "index");
- }
- /* try the metamethod */
- if (ttisfunction(tm)) {
- luaT_callTM(L, tm, t, key, val, 0);
- return;
- }
- t = tm; /* else repeat assignment over 'tm' */
- if (luaV_fastset(L, t, key, slot, luaH_get, val))
- return; /* done */
- /* else loop */
- }
- luaG_runerror(L, "'__newindex' chain too long; possible loop");
-}
-
-
-/*
-** Compare two strings 'ls' x 'rs', returning an integer smaller-equal-
-** -larger than zero if 'ls' is smaller-equal-larger than 'rs'.
-** The code is a little tricky because it allows '\0' in the strings
-** and it uses 'strcoll' (to respect locales) for each segments
-** of the strings.
-*/
-static int l_strcmp (const TString *ls, const TString *rs) {
- const char *l = getstr(ls);
- size_t ll = tsslen(ls);
- const char *r = getstr(rs);
- size_t lr = tsslen(rs);
- for (;;) { /* for each segment */
- int temp = strcoll(l, r);
- if (temp != 0) /* not equal? */
- return temp; /* done */
- else { /* strings are equal up to a '\0' */
- size_t len = strlen(l); /* index of first '\0' in both strings */
- if (len == lr) /* 'rs' is finished? */
- return (len == ll) ? 0 : 1; /* check 'ls' */
- else if (len == ll) /* 'ls' is finished? */
- return -1; /* 'ls' is smaller than 'rs' ('rs' is not finished) */
- /* both strings longer than 'len'; go on comparing after the '\0' */
- len++;
- l += len; ll -= len; r += len; lr -= len;
- }
- }
-}
-
-
-/*
-** Check whether integer 'i' is less than float 'f'. If 'i' has an
-** exact representation as a float ('l_intfitsf'), compare numbers as
-** floats. Otherwise, if 'f' is outside the range for integers, result
-** is trivial. Otherwise, compare them as integers. (When 'i' has no
-** float representation, either 'f' is "far away" from 'i' or 'f' has
-** no precision left for a fractional part; either way, how 'f' is
-** truncated is irrelevant.) When 'f' is NaN, comparisons must result
-** in false.
-*/
-static int LTintfloat (lua_Integer i, lua_Number f) {
-#if defined(l_intfitsf)
- if (!l_intfitsf(i)) {
- if (f >= -cast_num(LUA_MININTEGER)) /* -minint == maxint + 1 */
- return 1; /* f >= maxint + 1 > i */
- else if (f > cast_num(LUA_MININTEGER)) /* minint < f <= maxint ? */
- return (i < cast(lua_Integer, f)); /* compare them as integers */
- else /* f <= minint <= i (or 'f' is NaN) --> not(i < f) */
- return 0;
- }
-#endif
- return luai_numlt(cast_num(i), f); /* compare them as floats */
-}
-
-
-/*
-** Check whether integer 'i' is less than or equal to float 'f'.
-** See comments on previous function.
-*/
-static int LEintfloat (lua_Integer i, lua_Number f) {
-#if defined(l_intfitsf)
- if (!l_intfitsf(i)) {
- if (f >= -cast_num(LUA_MININTEGER)) /* -minint == maxint + 1 */
- return 1; /* f >= maxint + 1 > i */
- else if (f >= cast_num(LUA_MININTEGER)) /* minint <= f <= maxint ? */
- return (i <= cast(lua_Integer, f)); /* compare them as integers */
- else /* f < minint <= i (or 'f' is NaN) --> not(i <= f) */
- return 0;
- }
-#endif
- return luai_numle(cast_num(i), f); /* compare them as floats */
-}
-
-
-/*
-** Return 'l < r', for numbers.
-*/
-static int LTnum (const TValue *l, const TValue *r) {
- if (ttisinteger(l)) {
- lua_Integer li = ivalue(l);
- if (ttisinteger(r))
- return li < ivalue(r); /* both are integers */
- else /* 'l' is int and 'r' is float */
- return LTintfloat(li, fltvalue(r)); /* l < r ? */
- }
- else {
- lua_Number lf = fltvalue(l); /* 'l' must be float */
- if (ttisfloat(r))
- return luai_numlt(lf, fltvalue(r)); /* both are float */
- else if (luai_numisnan(lf)) /* 'r' is int and 'l' is float */
- return 0; /* NaN < i is always false */
- else /* without NaN, (l < r) <--> not(r <= l) */
- return !LEintfloat(ivalue(r), lf); /* not (r <= l) ? */
- }
-}
-
-
-/*
-** Return 'l <= r', for numbers.
-*/
-static int LEnum (const TValue *l, const TValue *r) {
- if (ttisinteger(l)) {
- lua_Integer li = ivalue(l);
- if (ttisinteger(r))
- return li <= ivalue(r); /* both are integers */
- else /* 'l' is int and 'r' is float */
- return LEintfloat(li, fltvalue(r)); /* l <= r ? */
- }
- else {
- lua_Number lf = fltvalue(l); /* 'l' must be float */
- if (ttisfloat(r))
- return luai_numle(lf, fltvalue(r)); /* both are float */
- else if (luai_numisnan(lf)) /* 'r' is int and 'l' is float */
- return 0; /* NaN <= i is always false */
- else /* without NaN, (l <= r) <--> not(r < l) */
- return !LTintfloat(ivalue(r), lf); /* not (r < l) ? */
- }
-}
-
-
-/*
-** Main operation less than; return 'l < r'.
-*/
-int luaV_lessthan (lua_State *L, const TValue *l, const TValue *r) {
- int res;
- if (ttisnumber(l) && ttisnumber(r)) /* both operands are numbers? */
- return LTnum(l, r);
- else if (ttisstring(l) && ttisstring(r)) /* both are strings? */
- return l_strcmp(tsvalue(l), tsvalue(r)) < 0;
- else if ((res = luaT_callorderTM(L, l, r, TM_LT)) < 0) /* no metamethod? */
- luaG_ordererror(L, l, r); /* error */
- return res;
-}
-
-
-/*
-** Main operation less than or equal to; return 'l <= r'. If it needs
-** a metamethod and there is no '__le', try '__lt', based on
-** l <= r iff !(r < l) (assuming a total order). If the metamethod
-** yields during this substitution, the continuation has to know
-** about it (to negate the result of r<l); bit CIST_LEQ in the call
-** status keeps that information.
-*/
-int luaV_lessequal (lua_State *L, const TValue *l, const TValue *r) {
- int res;
- if (ttisnumber(l) && ttisnumber(r)) /* both operands are numbers? */
- return LEnum(l, r);
- else if (ttisstring(l) && ttisstring(r)) /* both are strings? */
- return l_strcmp(tsvalue(l), tsvalue(r)) <= 0;
- else if ((res = luaT_callorderTM(L, l, r, TM_LE)) >= 0) /* try 'le' */
- return res;
- else { /* try 'lt': */
- L->ci->callstatus |= CIST_LEQ; /* mark it is doing 'lt' for 'le' */
- res = luaT_callorderTM(L, r, l, TM_LT);
- L->ci->callstatus ^= CIST_LEQ; /* clear mark */
- if (res < 0)
- luaG_ordererror(L, l, r);
- return !res; /* result is negated */
- }
-}
-
-
-/*
-** Main operation for equality of Lua values; return 't1 == t2'.
-** L == NULL means raw equality (no metamethods)
-*/
-int luaV_equalobj (lua_State *L, const TValue *t1, const TValue *t2) {
- const TValue *tm;
- if (ttype(t1) != ttype(t2)) { /* not the same variant? */
- if (ttnov(t1) != ttnov(t2) || ttnov(t1) != LUA_TNUMBER)
- return 0; /* only numbers can be equal with different variants */
- else { /* two numbers with different variants */
- lua_Integer i1, i2; /* compare them as integers */
- return (tointeger(t1, &i1) && tointeger(t2, &i2) && i1 == i2);
- }
- }
- /* values have same type and same variant */
- switch (ttype(t1)) {
- case LUA_TNIL: return 1;
- case LUA_TNUMINT: return (ivalue(t1) == ivalue(t2));
- case LUA_TNUMFLT: return luai_numeq(fltvalue(t1), fltvalue(t2));
- case LUA_TBOOLEAN: return bvalue(t1) == bvalue(t2); /* true must be 1 !! */
- case LUA_TLIGHTUSERDATA: return pvalue(t1) == pvalue(t2);
- case LUA_TLCF: return fvalue(t1) == fvalue(t2);
- case LUA_TSHRSTR: return eqshrstr(tsvalue(t1), tsvalue(t2));
- case LUA_TLNGSTR: return luaS_eqlngstr(tsvalue(t1), tsvalue(t2));
- case LUA_TUSERDATA: {
- if (uvalue(t1) == uvalue(t2)) return 1;
- else if (L == NULL) return 0;
- tm = fasttm(L, uvalue(t1)->metatable, TM_EQ);
- if (tm == NULL)
- tm = fasttm(L, uvalue(t2)->metatable, TM_EQ);
- break; /* will try TM */
- }
- case LUA_TTABLE: {
- if (hvalue(t1) == hvalue(t2)) return 1;
- else if (L == NULL) return 0;
- tm = fasttm(L, hvalue(t1)->metatable, TM_EQ);
- if (tm == NULL)
- tm = fasttm(L, hvalue(t2)->metatable, TM_EQ);
- break; /* will try TM */
- }
- default:
- return gcvalue(t1) == gcvalue(t2);
- }
- if (tm == NULL) /* no TM? */
- return 0; /* objects are different */
- luaT_callTM(L, tm, t1, t2, L->top, 1); /* call TM */
- return !l_isfalse(L->top);
-}
-
-
-/* macro used by 'luaV_concat' to ensure that element at 'o' is a string */
-#define tostring(L,o) \
- (ttisstring(o) || (cvt2str(o) && (luaO_tostring(L, o), 1)))
-
-#define isemptystr(o) (ttisshrstring(o) && tsvalue(o)->shrlen == 0)
-
-/* copy strings in stack from top - n up to top - 1 to buffer */
-static void copy2buff (StkId top, int n, char *buff) {
- size_t tl = 0; /* size already copied */
- do {
- size_t l = vslen(top - n); /* length of string being copied */
- memcpy(buff + tl, svalue(top - n), l * sizeof(char));
- tl += l;
- } while (--n > 0);
-}
-
-
-/*
-** Main operation for concatenation: concat 'total' values in the stack,
-** from 'L->top - total' up to 'L->top - 1'.
-*/
-void luaV_concat (lua_State *L, int total) {
- lua_assert(total >= 2);
- do {
- StkId top = L->top;
- int n = 2; /* number of elements handled in this pass (at least 2) */
- if (!(ttisstring(top-2) || cvt2str(top-2)) || !tostring(L, top-1))
- luaT_trybinTM(L, top-2, top-1, top-2, TM_CONCAT);
- else if (isemptystr(top - 1)) /* second operand is empty? */
- cast_void(tostring(L, top - 2)); /* result is first operand */
- else if (isemptystr(top - 2)) { /* first operand is an empty string? */
- setobjs2s(L, top - 2, top - 1); /* result is second op. */
- }
- else {
- /* at least two non-empty string values; get as many as possible */
- size_t tl = vslen(top - 1);
- TString *ts;
- /* collect total length and number of strings */
- for (n = 1; n < total && tostring(L, top - n - 1); n++) {
- size_t l = vslen(top - n - 1);
- if (l >= (MAX_SIZE/sizeof(char)) - tl)
- luaG_runerror(L, "string length overflow");
- tl += l;
- }
- if (tl <= LUAI_MAXSHORTLEN) { /* is result a short string? */
- char buff[LUAI_MAXSHORTLEN];
- copy2buff(top, n, buff); /* copy strings to buffer */
- ts = luaS_newlstr(L, buff, tl);
- }
- else { /* long string; copy strings directly to final result */
- ts = luaS_createlngstrobj(L, tl);
- copy2buff(top, n, getstr(ts));
- }
- setsvalue2s(L, top - n, ts); /* create result */
- }
- total -= n-1; /* got 'n' strings to create 1 new */
- L->top -= n-1; /* popped 'n' strings and pushed one */
- } while (total > 1); /* repeat until only 1 result left */
-}
-
-
-/*
-** Main operation 'ra' = #rb'.
-*/
-void luaV_objlen (lua_State *L, StkId ra, const TValue *rb) {
- const TValue *tm;
- switch (ttype(rb)) {
- case LUA_TTABLE: {
- Table *h = hvalue(rb);
- tm = fasttm(L, h->metatable, TM_LEN);
- if (tm) break; /* metamethod? break switch to call it */
- setivalue(ra, luaH_getn(h)); /* else primitive len */
- return;
- }
- case LUA_TSHRSTR: {
- setivalue(ra, tsvalue(rb)->shrlen);
- return;
- }
- case LUA_TLNGSTR: {
- setivalue(ra, tsvalue(rb)->u.lnglen);
- return;
- }
- default: { /* try metamethod */
- tm = luaT_gettmbyobj(L, rb, TM_LEN);
- if (ttisnil(tm)) /* no metamethod? */
- luaG_typeerror(L, rb, "get length of");
- break;
- }
- }
- luaT_callTM(L, tm, rb, rb, ra, 1);
-}
-
-
-/*
-** Integer division; return 'm // n', that is, floor(m/n).
-** C division truncates its result (rounds towards zero).
-** 'floor(q) == trunc(q)' when 'q >= 0' or when 'q' is integer,
-** otherwise 'floor(q) == trunc(q) - 1'.
-*/
-lua_Integer luaV_div (lua_State *L, lua_Integer m, lua_Integer n) {
- if (l_castS2U(n) + 1u <= 1u) { /* special cases: -1 or 0 */
- if (n == 0)
- luaG_runerror(L, "attempt to divide by zero");
- return intop(-, 0, m); /* n==-1; avoid overflow with 0x80000...//-1 */
- }
- else {
- lua_Integer q = m / n; /* perform C division */
- if ((m ^ n) < 0 && m % n != 0) /* 'm/n' would be negative non-integer? */
- q -= 1; /* correct result for different rounding */
- return q;
- }
-}
-
-
-/*
-** Integer modulus; return 'm % n'. (Assume that C '%' with
-** negative operands follows C99 behavior. See previous comment
-** about luaV_div.)
-*/
-lua_Integer luaV_mod (lua_State *L, lua_Integer m, lua_Integer n) {
- if (l_castS2U(n) + 1u <= 1u) { /* special cases: -1 or 0 */
- if (n == 0)
- luaG_runerror(L, "attempt to perform 'n%%0'");
- return 0; /* m % -1 == 0; avoid overflow with 0x80000...%-1 */
- }
- else {
- lua_Integer r = m % n;
- if (r != 0 && (m ^ n) < 0) /* 'm/n' would be non-integer negative? */
- r += n; /* correct result for different rounding */
- return r;
- }
-}
-
-
-/* number of bits in an integer */
-#define NBITS cast_int(sizeof(lua_Integer) * CHAR_BIT)
-
-/*
-** Shift left operation. (Shift right just negates 'y'.)
-*/
-lua_Integer luaV_shiftl (lua_Integer x, lua_Integer y) {
- if (y < 0) { /* shift right? */
- if (y <= -NBITS) return 0;
- else return intop(>>, x, -y);
- }
- else { /* shift left */
- if (y >= NBITS) return 0;
- else return intop(<<, x, y);
- }
-}
-
-
-/*
-** check whether cached closure in prototype 'p' may be reused, that is,
-** whether there is a cached closure with the same upvalues needed by
-** new closure to be created.
-*/
-static LClosure *getcached (Proto *p, UpVal **encup, StkId base) {
- LClosure *c = p->cache;
- if (c != NULL) { /* is there a cached closure? */
- int nup = p->sizeupvalues;
- Upvaldesc *uv = p->upvalues;
- int i;
- for (i = 0; i < nup; i++) { /* check whether it has right upvalues */
- TValue *v = uv[i].instack ? base + uv[i].idx : encup[uv[i].idx]->v;
- if (c->upvals[i]->v != v)
- return NULL; /* wrong upvalue; cannot reuse closure */
- }
- }
- return c; /* return cached closure (or NULL if no cached closure) */
-}
-
-
-/*
-** create a new Lua closure, push it in the stack, and initialize
-** its upvalues. Note that the closure is not cached if prototype is
-** already black (which means that 'cache' was already cleared by the
-** GC).
-*/
-static void pushclosure (lua_State *L, Proto *p, UpVal **encup, StkId base,
- StkId ra) {
- int nup = p->sizeupvalues;
- Upvaldesc *uv = p->upvalues;
- int i;
- LClosure *ncl = luaF_newLclosure(L, nup);
- ncl->p = p;
- setclLvalue(L, ra, ncl); /* anchor new closure in stack */
- for (i = 0; i < nup; i++) { /* fill in its upvalues */
- if (uv[i].instack) /* upvalue refers to local variable? */
- ncl->upvals[i] = luaF_findupval(L, base + uv[i].idx);
- else /* get upvalue from enclosing function */
- ncl->upvals[i] = encup[uv[i].idx];
- ncl->upvals[i]->refcount++;
- /* new closure is white, so we do not need a barrier here */
- }
- if (!isblack(p)) /* cache will not break GC invariant? */
- p->cache = ncl; /* save it on cache for reuse */
-}
-
-
-/*
-** finish execution of an opcode interrupted by an yield
-*/
-void luaV_finishOp (lua_State *L) {
- CallInfo *ci = L->ci;
- StkId base = ci->u.l.base;
- Instruction inst = *(ci->u.l.savedpc - 1); /* interrupted instruction */
- OpCode op = GET_OPCODE(inst);
- switch (op) { /* finish its execution */
- case OP_ADD: case OP_SUB: case OP_MUL: case OP_DIV: case OP_IDIV:
- case OP_BAND: case OP_BOR: case OP_BXOR: case OP_SHL: case OP_SHR:
- case OP_MOD: case OP_POW:
- case OP_UNM: case OP_BNOT: case OP_LEN:
- case OP_GETTABUP: case OP_GETTABLE: case OP_SELF: {
- setobjs2s(L, base + GETARG_A(inst), --L->top);
- break;
- }
- case OP_LE: case OP_LT: case OP_EQ: {
- int res = !l_isfalse(L->top - 1);
- L->top--;
- if (ci->callstatus & CIST_LEQ) { /* "<=" using "<" instead? */
- lua_assert(op == OP_LE);
- ci->callstatus ^= CIST_LEQ; /* clear mark */
- res = !res; /* negate result */
- }
- lua_assert(GET_OPCODE(*ci->u.l.savedpc) == OP_JMP);
- if (res != GETARG_A(inst)) /* condition failed? */
- ci->u.l.savedpc++; /* skip jump instruction */
- break;
- }
- case OP_CONCAT: {
- StkId top = L->top - 1; /* top when 'luaT_trybinTM' was called */
- int b = GETARG_B(inst); /* first element to concatenate */
- int total = cast_int(top - 1 - (base + b)); /* yet to concatenate */
- setobj2s(L, top - 2, top); /* put TM result in proper position */
- if (total > 1) { /* are there elements to concat? */
- L->top = top - 1; /* top is one after last element (at top-2) */
- luaV_concat(L, total); /* concat them (may yield again) */
- }
- /* move final result to final position */
- setobj2s(L, ci->u.l.base + GETARG_A(inst), L->top - 1);
- L->top = ci->top; /* restore top */
- break;
- }
- case OP_TFORCALL: {
- lua_assert(GET_OPCODE(*ci->u.l.savedpc) == OP_TFORLOOP);
- L->top = ci->top; /* correct top */
- break;
- }
- case OP_CALL: {
- if (GETARG_C(inst) - 1 >= 0) /* nresults >= 0? */
- L->top = ci->top; /* adjust results */
- break;
- }
- case OP_TAILCALL: case OP_SETTABUP: case OP_SETTABLE:
- break;
- default: lua_assert(0);
- }
-}
-
-
-
-
-/*
-** {==================================================================
-** Function 'luaV_execute': main interpreter loop
-** ===================================================================
-*/
-
-
-/*
-** some macros for common tasks in 'luaV_execute'
-*/
-
-
-#define RA(i) (base+GETARG_A(i))
-#define RB(i) check_exp(getBMode(GET_OPCODE(i)) == OpArgR, base+GETARG_B(i))
-#define RC(i) check_exp(getCMode(GET_OPCODE(i)) == OpArgR, base+GETARG_C(i))
-#define RKB(i) check_exp(getBMode(GET_OPCODE(i)) == OpArgK, \
- ISK(GETARG_B(i)) ? k+INDEXK(GETARG_B(i)) : base+GETARG_B(i))
-#define RKC(i) check_exp(getCMode(GET_OPCODE(i)) == OpArgK, \
- ISK(GETARG_C(i)) ? k+INDEXK(GETARG_C(i)) : base+GETARG_C(i))
-
-
-/* execute a jump instruction */
-#define dojump(ci,i,e) \
- { int a = GETARG_A(i); \
- if (a != 0) luaF_close(L, ci->u.l.base + a - 1); \
- ci->u.l.savedpc += GETARG_sBx(i) + e; }
-
-/* for test instructions, execute the jump instruction that follows it */
-#define donextjump(ci) { i = *ci->u.l.savedpc; dojump(ci, i, 1); }
-
-
-#define Protect(x) { {x;}; base = ci->u.l.base; }
-
-#define checkGC(L,c) \
- { luaC_condGC(L, L->top = (c), /* limit of live values */ \
- Protect(L->top = ci->top)); /* restore top */ \
- luai_threadyield(L); }
-
-
-/* fetch an instruction and prepare its execution */
-#define vmfetch() { \
- i = *(ci->u.l.savedpc++); \
- if (L->hookmask & (LUA_MASKLINE | LUA_MASKCOUNT)) \
- Protect(luaG_traceexec(L)); \
- ra = RA(i); /* WARNING: any stack reallocation invalidates 'ra' */ \
- lua_assert(base == ci->u.l.base); \
- lua_assert(base <= L->top && L->top < L->stack + L->stacksize); \
-}
-
-#define vmdispatch(o) switch(o)
-#define vmcase(l) case l:
-#define vmbreak break
-
-
-/*
-** copy of 'luaV_gettable', but protecting the call to potential
-** metamethod (which can reallocate the stack)
-*/
-#define gettableProtected(L,t,k,v) { const TValue *slot; \
- if (luaV_fastget(L,t,k,slot,luaH_get)) { setobj2s(L, v, slot); } \
- else Protect(luaV_finishget(L,t,k,v,slot)); }
-
-
-/* same for 'luaV_settable' */
-#define settableProtected(L,t,k,v) { const TValue *slot; \
- if (!luaV_fastset(L,t,k,slot,luaH_get,v)) \
- Protect(luaV_finishset(L,t,k,v,slot)); }
-
-
-
-void luaV_execute (lua_State *L) {
- CallInfo *ci = L->ci;
- LClosure *cl;
- TValue *k;
- StkId base;
- ci->callstatus |= CIST_FRESH; /* fresh invocation of 'luaV_execute" */
- newframe: /* reentry point when frame changes (call/return) */
- lua_assert(ci == L->ci);
- cl = clLvalue(ci->func); /* local reference to function's closure */
- k = cl->p->k; /* local reference to function's constant table */
- base = ci->u.l.base; /* local copy of function's base */
- /* main loop of interpreter */
- for (;;) {
- Instruction i;
- StkId ra;
- vmfetch();
- vmdispatch (GET_OPCODE(i)) {
- vmcase(OP_MOVE) {
- setobjs2s(L, ra, RB(i));
- vmbreak;
- }
- vmcase(OP_LOADK) {
- TValue *rb = k + GETARG_Bx(i);
- setobj2s(L, ra, rb);
- vmbreak;
- }
- vmcase(OP_LOADKX) {
- TValue *rb;
- lua_assert(GET_OPCODE(*ci->u.l.savedpc) == OP_EXTRAARG);
- rb = k + GETARG_Ax(*ci->u.l.savedpc++);
- setobj2s(L, ra, rb);
- vmbreak;
- }
- vmcase(OP_LOADBOOL) {
- setbvalue(ra, GETARG_B(i));
- if (GETARG_C(i)) ci->u.l.savedpc++; /* skip next instruction (if C) */
- vmbreak;
- }
- vmcase(OP_LOADNIL) {
- int b = GETARG_B(i);
- do {
- setnilvalue(ra++);
- } while (b--);
- vmbreak;
- }
- vmcase(OP_GETUPVAL) {
- int b = GETARG_B(i);
- setobj2s(L, ra, cl->upvals[b]->v);
- vmbreak;
- }
- vmcase(OP_GETTABUP) {
- TValue *upval = cl->upvals[GETARG_B(i)]->v;
- TValue *rc = RKC(i);
- gettableProtected(L, upval, rc, ra);
- vmbreak;
- }
- vmcase(OP_GETTABLE) {
- StkId rb = RB(i);
- TValue *rc = RKC(i);
- gettableProtected(L, rb, rc, ra);
- vmbreak;
- }
- vmcase(OP_SETTABUP) {
- TValue *upval = cl->upvals[GETARG_A(i)]->v;
- TValue *rb = RKB(i);
- TValue *rc = RKC(i);
- settableProtected(L, upval, rb, rc);
- vmbreak;
- }
- vmcase(OP_SETUPVAL) {
- UpVal *uv = cl->upvals[GETARG_B(i)];
- setobj(L, uv->v, ra);
- luaC_upvalbarrier(L, uv);
- vmbreak;
- }
- vmcase(OP_SETTABLE) {
- TValue *rb = RKB(i);
- TValue *rc = RKC(i);
- settableProtected(L, ra, rb, rc);
- vmbreak;
- }
- vmcase(OP_NEWTABLE) {
- int b = GETARG_B(i);
- int c = GETARG_C(i);
- Table *t = luaH_new(L);
- sethvalue(L, ra, t);
- if (b != 0 || c != 0)
- luaH_resize(L, t, luaO_fb2int(b), luaO_fb2int(c));
- checkGC(L, ra + 1);
- vmbreak;
- }
- vmcase(OP_SELF) {
- const TValue *aux;
- StkId rb = RB(i);
- TValue *rc = RKC(i);
- TString *key = tsvalue(rc); /* key must be a string */
- setobjs2s(L, ra + 1, rb);
- if (luaV_fastget(L, rb, key, aux, luaH_getstr)) {
- setobj2s(L, ra, aux);
- }
- else Protect(luaV_finishget(L, rb, rc, ra, aux));
- vmbreak;
- }
- vmcase(OP_ADD) {
- TValue *rb = RKB(i);
- TValue *rc = RKC(i);
- lua_Number nb; lua_Number nc;
- if (ttisinteger(rb) && ttisinteger(rc)) {
- lua_Integer ib = ivalue(rb); lua_Integer ic = ivalue(rc);
- setivalue(ra, intop(+, ib, ic));
- }
- else if (tonumber(rb, &nb) && tonumber(rc, &nc)) {
- setfltvalue(ra, luai_numadd(L, nb, nc));
- }
- else { Protect(luaT_trybinTM(L, rb, rc, ra, TM_ADD)); }
- vmbreak;
- }
- vmcase(OP_SUB) {
- TValue *rb = RKB(i);
- TValue *rc = RKC(i);
- lua_Number nb; lua_Number nc;
- if (ttisinteger(rb) && ttisinteger(rc)) {
- lua_Integer ib = ivalue(rb); lua_Integer ic = ivalue(rc);
- setivalue(ra, intop(-, ib, ic));
- }
- else if (tonumber(rb, &nb) && tonumber(rc, &nc)) {
- setfltvalue(ra, luai_numsub(L, nb, nc));
- }
- else { Protect(luaT_trybinTM(L, rb, rc, ra, TM_SUB)); }
- vmbreak;
- }
- vmcase(OP_MUL) {
- TValue *rb = RKB(i);
- TValue *rc = RKC(i);
- lua_Number nb; lua_Number nc;
- if (ttisinteger(rb) && ttisinteger(rc)) {
- lua_Integer ib = ivalue(rb); lua_Integer ic = ivalue(rc);
- setivalue(ra, intop(*, ib, ic));
- }
- else if (tonumber(rb, &nb) && tonumber(rc, &nc)) {
- setfltvalue(ra, luai_nummul(L, nb, nc));
- }
- else { Protect(luaT_trybinTM(L, rb, rc, ra, TM_MUL)); }
- vmbreak;
- }
- vmcase(OP_DIV) { /* float division (always with floats) */
- TValue *rb = RKB(i);
- TValue *rc = RKC(i);
- lua_Number nb; lua_Number nc;
- if (tonumber(rb, &nb) && tonumber(rc, &nc)) {
- setfltvalue(ra, luai_numdiv(L, nb, nc));
- }
- else { Protect(luaT_trybinTM(L, rb, rc, ra, TM_DIV)); }
- vmbreak;
- }
- vmcase(OP_BAND) {
- TValue *rb = RKB(i);
- TValue *rc = RKC(i);
- lua_Integer ib; lua_Integer ic;
- if (tointeger(rb, &ib) && tointeger(rc, &ic)) {
- setivalue(ra, intop(&, ib, ic));
- }
- else { Protect(luaT_trybinTM(L, rb, rc, ra, TM_BAND)); }
- vmbreak;
- }
- vmcase(OP_BOR) {
- TValue *rb = RKB(i);
- TValue *rc = RKC(i);
- lua_Integer ib; lua_Integer ic;
- if (tointeger(rb, &ib) && tointeger(rc, &ic)) {
- setivalue(ra, intop(|, ib, ic));
- }
- else { Protect(luaT_trybinTM(L, rb, rc, ra, TM_BOR)); }
- vmbreak;
- }
- vmcase(OP_BXOR) {
- TValue *rb = RKB(i);
- TValue *rc = RKC(i);
- lua_Integer ib; lua_Integer ic;
- if (tointeger(rb, &ib) && tointeger(rc, &ic)) {
- setivalue(ra, intop(^, ib, ic));
- }
- else { Protect(luaT_trybinTM(L, rb, rc, ra, TM_BXOR)); }
- vmbreak;
- }
- vmcase(OP_SHL) {
- TValue *rb = RKB(i);
- TValue *rc = RKC(i);
- lua_Integer ib; lua_Integer ic;
- if (tointeger(rb, &ib) && tointeger(rc, &ic)) {
- setivalue(ra, luaV_shiftl(ib, ic));
- }
- else { Protect(luaT_trybinTM(L, rb, rc, ra, TM_SHL)); }
- vmbreak;
- }
- vmcase(OP_SHR) {
- TValue *rb = RKB(i);
- TValue *rc = RKC(i);
- lua_Integer ib; lua_Integer ic;
- if (tointeger(rb, &ib) && tointeger(rc, &ic)) {
- setivalue(ra, luaV_shiftl(ib, -ic));
- }
- else { Protect(luaT_trybinTM(L, rb, rc, ra, TM_SHR)); }
- vmbreak;
- }
- vmcase(OP_MOD) {
- TValue *rb = RKB(i);
- TValue *rc = RKC(i);
- lua_Number nb; lua_Number nc;
- if (ttisinteger(rb) && ttisinteger(rc)) {
- lua_Integer ib = ivalue(rb); lua_Integer ic = ivalue(rc);
- setivalue(ra, luaV_mod(L, ib, ic));
- }
- else if (tonumber(rb, &nb) && tonumber(rc, &nc)) {
- lua_Number m;
- luai_nummod(L, nb, nc, m);
- setfltvalue(ra, m);
- }
- else { Protect(luaT_trybinTM(L, rb, rc, ra, TM_MOD)); }
- vmbreak;
- }
- vmcase(OP_IDIV) { /* floor division */
- TValue *rb = RKB(i);
- TValue *rc = RKC(i);
- lua_Number nb; lua_Number nc;
- if (ttisinteger(rb) && ttisinteger(rc)) {
- lua_Integer ib = ivalue(rb); lua_Integer ic = ivalue(rc);
- setivalue(ra, luaV_div(L, ib, ic));
- }
- else if (tonumber(rb, &nb) && tonumber(rc, &nc)) {
- setfltvalue(ra, luai_numidiv(L, nb, nc));
- }
- else { Protect(luaT_trybinTM(L, rb, rc, ra, TM_IDIV)); }
- vmbreak;
- }
- vmcase(OP_POW) {
- TValue *rb = RKB(i);
- TValue *rc = RKC(i);
- lua_Number nb; lua_Number nc;
- if (tonumber(rb, &nb) && tonumber(rc, &nc)) {
- setfltvalue(ra, luai_numpow(L, nb, nc));
- }
- else { Protect(luaT_trybinTM(L, rb, rc, ra, TM_POW)); }
- vmbreak;
- }
- vmcase(OP_UNM) {
- TValue *rb = RB(i);
- lua_Number nb;
- if (ttisinteger(rb)) {
- lua_Integer ib = ivalue(rb);
- setivalue(ra, intop(-, 0, ib));
- }
- else if (tonumber(rb, &nb)) {
- setfltvalue(ra, luai_numunm(L, nb));
- }
- else {
- Protect(luaT_trybinTM(L, rb, rb, ra, TM_UNM));
- }
- vmbreak;
- }
- vmcase(OP_BNOT) {
- TValue *rb = RB(i);
- lua_Integer ib;
- if (tointeger(rb, &ib)) {
- setivalue(ra, intop(^, ~l_castS2U(0), ib));
- }
- else {
- Protect(luaT_trybinTM(L, rb, rb, ra, TM_BNOT));
- }
- vmbreak;
- }
- vmcase(OP_NOT) {
- TValue *rb = RB(i);
- int res = l_isfalse(rb); /* next assignment may change this value */
- setbvalue(ra, res);
- vmbreak;
- }
- vmcase(OP_LEN) {
- Protect(luaV_objlen(L, ra, RB(i)));
- vmbreak;
- }
- vmcase(OP_CONCAT) {
- int b = GETARG_B(i);
- int c = GETARG_C(i);
- StkId rb;
- L->top = base + c + 1; /* mark the end of concat operands */
- Protect(luaV_concat(L, c - b + 1));
- ra = RA(i); /* 'luaV_concat' may invoke TMs and move the stack */
- rb = base + b;
- setobjs2s(L, ra, rb);
- checkGC(L, (ra >= rb ? ra + 1 : rb));
- L->top = ci->top; /* restore top */
- vmbreak;
- }
- vmcase(OP_JMP) {
- dojump(ci, i, 0);
- vmbreak;
- }
- vmcase(OP_EQ) {
- TValue *rb = RKB(i);
- TValue *rc = RKC(i);
- Protect(
- if (luaV_equalobj(L, rb, rc) != GETARG_A(i))
- ci->u.l.savedpc++;
- else
- donextjump(ci);
- )
- vmbreak;
- }
- vmcase(OP_LT) {
- Protect(
- if (luaV_lessthan(L, RKB(i), RKC(i)) != GETARG_A(i))
- ci->u.l.savedpc++;
- else
- donextjump(ci);
- )
- vmbreak;
- }
- vmcase(OP_LE) {
- Protect(
- if (luaV_lessequal(L, RKB(i), RKC(i)) != GETARG_A(i))
- ci->u.l.savedpc++;
- else
- donextjump(ci);
- )
- vmbreak;
- }
- vmcase(OP_TEST) {
- if (GETARG_C(i) ? l_isfalse(ra) : !l_isfalse(ra))
- ci->u.l.savedpc++;
- else
- donextjump(ci);
- vmbreak;
- }
- vmcase(OP_TESTSET) {
- TValue *rb = RB(i);
- if (GETARG_C(i) ? l_isfalse(rb) : !l_isfalse(rb))
- ci->u.l.savedpc++;
- else {
- setobjs2s(L, ra, rb);
- donextjump(ci);
- }
- vmbreak;
- }
- vmcase(OP_CALL) {
- int b = GETARG_B(i);
- int nresults = GETARG_C(i) - 1;
- if (b != 0) L->top = ra+b; /* else previous instruction set top */
- if (luaD_precall(L, ra, nresults)) { /* C function? */
- if (nresults >= 0)
- L->top = ci->top; /* adjust results */
- Protect((void)0); /* update 'base' */
- }
- else { /* Lua function */
- ci = L->ci;
- goto newframe; /* restart luaV_execute over new Lua function */
- }
- vmbreak;
- }
- vmcase(OP_TAILCALL) {
- int b = GETARG_B(i);
- if (b != 0) L->top = ra+b; /* else previous instruction set top */
- lua_assert(GETARG_C(i) - 1 == LUA_MULTRET);
- if (luaD_precall(L, ra, LUA_MULTRET)) { /* C function? */
- Protect((void)0); /* update 'base' */
- }
- else {
- /* tail call: put called frame (n) in place of caller one (o) */
- CallInfo *nci = L->ci; /* called frame */
- CallInfo *oci = nci->previous; /* caller frame */
- StkId nfunc = nci->func; /* called function */
- StkId ofunc = oci->func; /* caller function */
- /* last stack slot filled by 'precall' */
- StkId lim = nci->u.l.base + getproto(nfunc)->numparams;
- int aux;
- /* close all upvalues from previous call */
- if (cl->p->sizep > 0) luaF_close(L, oci->u.l.base);
- /* move new frame into old one */
- for (aux = 0; nfunc + aux < lim; aux++)
- setobjs2s(L, ofunc + aux, nfunc + aux);
- oci->u.l.base = ofunc + (nci->u.l.base - nfunc); /* correct base */
- oci->top = L->top = ofunc + (L->top - nfunc); /* correct top */
- oci->u.l.savedpc = nci->u.l.savedpc;
- oci->callstatus |= CIST_TAIL; /* function was tail called */
- ci = L->ci = oci; /* remove new frame */
- lua_assert(L->top == oci->u.l.base + getproto(ofunc)->maxstacksize);
- goto newframe; /* restart luaV_execute over new Lua function */
- }
- vmbreak;
- }
- vmcase(OP_RETURN) {
- int b = GETARG_B(i);
- if (cl->p->sizep > 0) luaF_close(L, base);
- b = luaD_poscall(L, ci, ra, (b != 0 ? b - 1 : cast_int(L->top - ra)));
- if (ci->callstatus & CIST_FRESH) /* local 'ci' still from callee */
- return; /* external invocation: return */
- else { /* invocation via reentry: continue execution */
- ci = L->ci;
- if (b) L->top = ci->top;
- lua_assert(isLua(ci));
- lua_assert(GET_OPCODE(*((ci)->u.l.savedpc - 1)) == OP_CALL);
- goto newframe; /* restart luaV_execute over new Lua function */
- }
- }
- vmcase(OP_FORLOOP) {
- if (ttisinteger(ra)) { /* integer loop? */
- lua_Integer step = ivalue(ra + 2);
- lua_Integer idx = intop(+, ivalue(ra), step); /* increment index */
- lua_Integer limit = ivalue(ra + 1);
- if ((0 < step) ? (idx <= limit) : (limit <= idx)) {
- ci->u.l.savedpc += GETARG_sBx(i); /* jump back */
- chgivalue(ra, idx); /* update internal index... */
- setivalue(ra + 3, idx); /* ...and external index */
- }
- }
- else { /* floating loop */
- lua_Number step = fltvalue(ra + 2);
- lua_Number idx = luai_numadd(L, fltvalue(ra), step); /* inc. index */
- lua_Number limit = fltvalue(ra + 1);
- if (luai_numlt(0, step) ? luai_numle(idx, limit)
- : luai_numle(limit, idx)) {
- ci->u.l.savedpc += GETARG_sBx(i); /* jump back */
- chgfltvalue(ra, idx); /* update internal index... */
- setfltvalue(ra + 3, idx); /* ...and external index */
- }
- }
- vmbreak;
- }
- vmcase(OP_FORPREP) {
- TValue *init = ra;
- TValue *plimit = ra + 1;
- TValue *pstep = ra + 2;
- lua_Integer ilimit;
- int stopnow;
- if (ttisinteger(init) && ttisinteger(pstep) &&
- forlimit(plimit, &ilimit, ivalue(pstep), &stopnow)) {
- /* all values are integer */
- lua_Integer initv = (stopnow ? 0 : ivalue(init));
- setivalue(plimit, ilimit);
- setivalue(init, intop(-, initv, ivalue(pstep)));
- }
- else { /* try making all values floats */
- lua_Number ninit; lua_Number nlimit; lua_Number nstep;
- if (!tonumber(plimit, &nlimit))
- luaG_runerror(L, "'for' limit must be a number");
- setfltvalue(plimit, nlimit);
- if (!tonumber(pstep, &nstep))
- luaG_runerror(L, "'for' step must be a number");
- setfltvalue(pstep, nstep);
- if (!tonumber(init, &ninit))
- luaG_runerror(L, "'for' initial value must be a number");
- setfltvalue(init, luai_numsub(L, ninit, nstep));
- }
- ci->u.l.savedpc += GETARG_sBx(i);
- vmbreak;
- }
- vmcase(OP_TFORCALL) {
- StkId cb = ra + 3; /* call base */
- setobjs2s(L, cb+2, ra+2);
- setobjs2s(L, cb+1, ra+1);
- setobjs2s(L, cb, ra);
- L->top = cb + 3; /* func. + 2 args (state and index) */
- Protect(luaD_call(L, cb, GETARG_C(i)));
- L->top = ci->top;
- i = *(ci->u.l.savedpc++); /* go to next instruction */
- ra = RA(i);
- lua_assert(GET_OPCODE(i) == OP_TFORLOOP);
- goto l_tforloop;
- }
- vmcase(OP_TFORLOOP) {
- l_tforloop:
- if (!ttisnil(ra + 1)) { /* continue loop? */
- setobjs2s(L, ra, ra + 1); /* save control variable */
- ci->u.l.savedpc += GETARG_sBx(i); /* jump back */
- }
- vmbreak;
- }
- vmcase(OP_SETLIST) {
- int n = GETARG_B(i);
- int c = GETARG_C(i);
- unsigned int last;
- Table *h;
- if (n == 0) n = cast_int(L->top - ra) - 1;
- if (c == 0) {
- lua_assert(GET_OPCODE(*ci->u.l.savedpc) == OP_EXTRAARG);
- c = GETARG_Ax(*ci->u.l.savedpc++);
- }
- h = hvalue(ra);
- last = ((c-1)*LFIELDS_PER_FLUSH) + n;
- if (last > h->sizearray) /* needs more space? */
- luaH_resizearray(L, h, last); /* preallocate it at once */
- for (; n > 0; n--) {
- TValue *val = ra+n;
- luaH_setint(L, h, last--, val);
- luaC_barrierback(L, h, val);
- }
- L->top = ci->top; /* correct top (in case of previous open call) */
- vmbreak;
- }
- vmcase(OP_CLOSURE) {
- Proto *p = cl->p->p[GETARG_Bx(i)];
- LClosure *ncl = getcached(p, cl->upvals, base); /* cached closure */
- if (ncl == NULL) /* no match? */
- pushclosure(L, p, cl->upvals, base, ra); /* create a new one */
- else
- setclLvalue(L, ra, ncl); /* push cashed closure */
- checkGC(L, ra + 1);
- vmbreak;
- }
- vmcase(OP_VARARG) {
- int b = GETARG_B(i) - 1; /* required results */
- int j;
- int n = cast_int(base - ci->func) - cl->p->numparams - 1;
- if (n < 0) /* less arguments than parameters? */
- n = 0; /* no vararg arguments */
- if (b < 0) { /* B == 0? */
- b = n; /* get all var. arguments */
- Protect(luaD_checkstack(L, n));
- ra = RA(i); /* previous call may change the stack */
- L->top = ra + n;
- }
- for (j = 0; j < b && j < n; j++)
- setobjs2s(L, ra + j, base - n + j);
- for (; j < b; j++) /* complete required results with nil */
- setnilvalue(ra + j);
- vmbreak;
- }
- vmcase(OP_EXTRAARG) {
- lua_assert(0);
- vmbreak;
- }
- }
- }
-}
-
-/* }================================================================== */
-
diff --git a/Build/source/libs/lua53/lua53-src/src/lvm.h b/Build/source/libs/lua53/lua53-src/src/lvm.h
deleted file mode 100644
index a8f954f04ce..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/lvm.h
+++ /dev/null
@@ -1,113 +0,0 @@
-/*
-** $Id: lvm.h,v 2.41.1.1 2017/04/19 17:20:42 roberto Exp $
-** Lua virtual machine
-** See Copyright Notice in lua.h
-*/
-
-#ifndef lvm_h
-#define lvm_h
-
-
-#include "ldo.h"
-#include "lobject.h"
-#include "ltm.h"
-
-
-#if !defined(LUA_NOCVTN2S)
-#define cvt2str(o) ttisnumber(o)
-#else
-#define cvt2str(o) 0 /* no conversion from numbers to strings */
-#endif
-
-
-#if !defined(LUA_NOCVTS2N)
-#define cvt2num(o) ttisstring(o)
-#else
-#define cvt2num(o) 0 /* no conversion from strings to numbers */
-#endif
-
-
-/*
-** You can define LUA_FLOORN2I if you want to convert floats to integers
-** by flooring them (instead of raising an error if they are not
-** integral values)
-*/
-#if !defined(LUA_FLOORN2I)
-#define LUA_FLOORN2I 0
-#endif
-
-
-#define tonumber(o,n) \
- (ttisfloat(o) ? (*(n) = fltvalue(o), 1) : luaV_tonumber_(o,n))
-
-#define tointeger(o,i) \
- (ttisinteger(o) ? (*(i) = ivalue(o), 1) : luaV_tointeger(o,i,LUA_FLOORN2I))
-
-#define intop(op,v1,v2) l_castU2S(l_castS2U(v1) op l_castS2U(v2))
-
-#define luaV_rawequalobj(t1,t2) luaV_equalobj(NULL,t1,t2)
-
-
-/*
-** fast track for 'gettable': if 't' is a table and 't[k]' is not nil,
-** return 1 with 'slot' pointing to 't[k]' (final result). Otherwise,
-** return 0 (meaning it will have to check metamethod) with 'slot'
-** pointing to a nil 't[k]' (if 't' is a table) or NULL (otherwise).
-** 'f' is the raw get function to use.
-*/
-#define luaV_fastget(L,t,k,slot,f) \
- (!ttistable(t) \
- ? (slot = NULL, 0) /* not a table; 'slot' is NULL and result is 0 */ \
- : (slot = f(hvalue(t), k), /* else, do raw access */ \
- !ttisnil(slot))) /* result not nil? */
-
-/*
-** standard implementation for 'gettable'
-*/
-#define luaV_gettable(L,t,k,v) { const TValue *slot; \
- if (luaV_fastget(L,t,k,slot,luaH_get)) { setobj2s(L, v, slot); } \
- else luaV_finishget(L,t,k,v,slot); }
-
-
-/*
-** Fast track for set table. If 't' is a table and 't[k]' is not nil,
-** call GC barrier, do a raw 't[k]=v', and return true; otherwise,
-** return false with 'slot' equal to NULL (if 't' is not a table) or
-** 'nil'. (This is needed by 'luaV_finishget'.) Note that, if the macro
-** returns true, there is no need to 'invalidateTMcache', because the
-** call is not creating a new entry.
-*/
-#define luaV_fastset(L,t,k,slot,f,v) \
- (!ttistable(t) \
- ? (slot = NULL, 0) \
- : (slot = f(hvalue(t), k), \
- ttisnil(slot) ? 0 \
- : (luaC_barrierback(L, hvalue(t), v), \
- setobj2t(L, cast(TValue *,slot), v), \
- 1)))
-
-
-#define luaV_settable(L,t,k,v) { const TValue *slot; \
- if (!luaV_fastset(L,t,k,slot,luaH_get,v)) \
- luaV_finishset(L,t,k,v,slot); }
-
-
-
-LUAI_FUNC int luaV_equalobj (lua_State *L, const TValue *t1, const TValue *t2);
-LUAI_FUNC int luaV_lessthan (lua_State *L, const TValue *l, const TValue *r);
-LUAI_FUNC int luaV_lessequal (lua_State *L, const TValue *l, const TValue *r);
-LUAI_FUNC int luaV_tonumber_ (const TValue *obj, lua_Number *n);
-LUAI_FUNC int luaV_tointeger (const TValue *obj, lua_Integer *p, int mode);
-LUAI_FUNC void luaV_finishget (lua_State *L, const TValue *t, TValue *key,
- StkId val, const TValue *slot);
-LUAI_FUNC void luaV_finishset (lua_State *L, const TValue *t, TValue *key,
- StkId val, const TValue *slot);
-LUAI_FUNC void luaV_finishOp (lua_State *L);
-LUAI_FUNC void luaV_execute (lua_State *L);
-LUAI_FUNC void luaV_concat (lua_State *L, int total);
-LUAI_FUNC lua_Integer luaV_div (lua_State *L, lua_Integer x, lua_Integer y);
-LUAI_FUNC lua_Integer luaV_mod (lua_State *L, lua_Integer x, lua_Integer y);
-LUAI_FUNC lua_Integer luaV_shiftl (lua_Integer x, lua_Integer y);
-LUAI_FUNC void luaV_objlen (lua_State *L, StkId ra, const TValue *rb);
-
-#endif
diff --git a/Build/source/libs/lua53/lua53-src/src/lzio.c b/Build/source/libs/lua53/lua53-src/src/lzio.c
deleted file mode 100644
index 6f79094410f..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/lzio.c
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
-** $Id: lzio.c,v 1.37.1.1 2017/04/19 17:20:42 roberto Exp $
-** Buffered streams
-** See Copyright Notice in lua.h
-*/
-
-#define lzio_c
-#define LUA_CORE
-
-#include "lprefix.h"
-
-
-#include <string.h>
-
-#include "lua.h"
-
-#include "llimits.h"
-#include "lmem.h"
-#include "lstate.h"
-#include "lzio.h"
-
-
-int luaZ_fill (ZIO *z) {
- size_t size;
- lua_State *L = z->L;
- const char *buff;
- lua_unlock(L);
- buff = z->reader(L, z->data, &size);
- lua_lock(L);
- if (buff == NULL || size == 0)
- return EOZ;
- z->n = size - 1; /* discount char being returned */
- z->p = buff;
- return cast_uchar(*(z->p++));
-}
-
-
-void luaZ_init (lua_State *L, ZIO *z, lua_Reader reader, void *data) {
- z->L = L;
- z->reader = reader;
- z->data = data;
- z->n = 0;
- z->p = NULL;
-}
-
-
-/* --------------------------------------------------------------- read --- */
-size_t luaZ_read (ZIO *z, void *b, size_t n) {
- while (n) {
- size_t m;
- if (z->n == 0) { /* no bytes in buffer? */
- if (luaZ_fill(z) == EOZ) /* try to read more */
- return n; /* no more input; return number of missing bytes */
- else {
- z->n++; /* luaZ_fill consumed first byte; put it back */
- z->p--;
- }
- }
- m = (n <= z->n) ? n : z->n; /* min. between n and z->n */
- memcpy(b, z->p, m);
- z->n -= m;
- z->p += m;
- b = (char *)b + m;
- n -= m;
- }
- return 0;
-}
-
diff --git a/Build/source/libs/lua53/lua53-src/src/lzio.h b/Build/source/libs/lua53/lua53-src/src/lzio.h
deleted file mode 100644
index d8978708157..00000000000
--- a/Build/source/libs/lua53/lua53-src/src/lzio.h
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
-** $Id: lzio.h,v 1.31.1.1 2017/04/19 17:20:42 roberto Exp $
-** Buffered streams
-** See Copyright Notice in lua.h
-*/
-
-
-#ifndef lzio_h
-#define lzio_h
-
-#include "lua.h"
-
-#include "lmem.h"
-
-
-#define EOZ (-1) /* end of stream */
-
-typedef struct Zio ZIO;
-
-#define zgetc(z) (((z)->n--)>0 ? cast_uchar(*(z)->p++) : luaZ_fill(z))
-
-
-typedef struct Mbuffer {
- char *buffer;
- size_t n;
- size_t buffsize;
-} Mbuffer;
-
-#define luaZ_initbuffer(L, buff) ((buff)->buffer = NULL, (buff)->buffsize = 0)
-
-#define luaZ_buffer(buff) ((buff)->buffer)
-#define luaZ_sizebuffer(buff) ((buff)->buffsize)
-#define luaZ_bufflen(buff) ((buff)->n)
-
-#define luaZ_buffremove(buff,i) ((buff)->n -= (i))
-#define luaZ_resetbuffer(buff) ((buff)->n = 0)
-
-
-#define luaZ_resizebuffer(L, buff, size) \
- ((buff)->buffer = luaM_reallocvchar(L, (buff)->buffer, \
- (buff)->buffsize, size), \
- (buff)->buffsize = size)
-
-#define luaZ_freebuffer(L, buff) luaZ_resizebuffer(L, buff, 0)
-
-
-LUAI_FUNC void luaZ_init (lua_State *L, ZIO *z, lua_Reader reader,
- void *data);
-LUAI_FUNC size_t luaZ_read (ZIO* z, void *b, size_t n); /* read next n bytes */
-
-
-
-/* --------- Private Part ------------------ */
-
-struct Zio {
- size_t n; /* bytes still unread */
- const char *p; /* current position in buffer */
- lua_Reader reader; /* reader function */
- void *data; /* additional data */
- lua_State *L; /* Lua state (for reader) */
-};
-
-
-LUAI_FUNC int luaZ_fill (ZIO *z);
-
-#endif
diff --git a/Build/source/libs/lua53/lua53.test b/Build/source/libs/lua53/lua53.test
deleted file mode 100755
index 34d5c4bad42..00000000000
--- a/Build/source/libs/lua53/lua53.test
+++ /dev/null
@@ -1,7 +0,0 @@
-#! /bin/sh
-
-# Copyright (C) 2014 Peter Breitenlohner <tex-live@tug.org>
-# You may freely use, modify and/or distribute this file.
-
-./luatest || exit 1
-
diff --git a/Build/source/libs/lua53/luaerror.test b/Build/source/libs/lua53/luaerror.test
deleted file mode 100755
index 6c1e7a10130..00000000000
--- a/Build/source/libs/lua53/luaerror.test
+++ /dev/null
@@ -1,15 +0,0 @@
-#! /bin/sh
-# Copyright 2018 Karl Berry <tex-live@tug.org>
-# Copyright 2014 Peter Breitenlohner <tex-live@tug.org>
-# You may freely use, modify and/or distribute this file.
-
-LC_ALL=C; export LC_ALL; LANGUAGE=C; export LANGUAGE
-
-./luatry -e "error('test')" 2>error.tmp && exit 1
-
-sed -e 's/lt-luatry/luatry/;s,^.*/luatry,./luatry,' error.tmp >error.out
-
-diff $srcdir/error.exp error.out || exit 1
-
-
-
diff --git a/Build/source/libs/lua53/luatest.c b/Build/source/libs/lua53/luatest.c
deleted file mode 100644
index 8703be48e3c..00000000000
--- a/Build/source/libs/lua53/luatest.c
+++ /dev/null
@@ -1,15 +0,0 @@
-/* luatest.c: Basic test for liblua53
- *
- * Copyright (C) 2014 Peter Breitenlohner <tex-live@tug.org>
- * You may freely use, modify and/or distribute this file.
- */
-
-#include <stdio.h>
-#include <lua.h>
-
-int main (int argc, char **argv)
-{
- printf ("%s: Compiled with %s\n",
- argv[0], LUA_VERSION);
- return 0;
-}
diff --git a/Build/source/libs/lua53/texlua53.pc.in b/Build/source/libs/lua53/texlua53.pc.in
deleted file mode 100644
index fa09ea7fa8f..00000000000
--- a/Build/source/libs/lua53/texlua53.pc.in
+++ /dev/null
@@ -1,12 +0,0 @@
-prefix=@prefix@
-exec_prefix=@exec_prefix@
-libdir=@libdir@
-includedir=@includedir@
-
-Name: Lua for LuaTeX
-Description: Lua 5.3, modified for use with LuaTeX
-Version: @LUA53VERSION@
-Libs: -L${libdir} -ltexlua53
-Libs.private: @LIBS@
-Cflags: -I${includedir}/texlua53
-
diff --git a/Build/source/libs/lua53/version.ac b/Build/source/libs/lua53/version.ac
deleted file mode 100644
index 8f8ce37b44e..00000000000
--- a/Build/source/libs/lua53/version.ac
+++ /dev/null
@@ -1,11 +0,0 @@
-dnl
-dnl Copyright (C) 2013-2015 Peter Breitenlohner <tex-live@tug.org>
-dnl
-dnl This file is free software; the copyright holder
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-dnl
-dnl --------------------------------------------------------
-dnl
-dnl m4-include this file to define the current lua53 version
-m4_define([lua53_version], [5.3.6])