From 0f358457f0c576c1ee06d77e82a077bc7b614cde Mon Sep 17 00:00:00 2001 From: Luigi Scarso Date: Sat, 12 Feb 2022 18:02:57 +0000 Subject: Updated MFLua. git-svn-id: svn://tug.org/texlive/trunk@61986 c570f23f-e606-0410-a88d-b1316a301751 --- Build/source/texk/web2c/Makefile.am | 3 + Build/source/texk/web2c/Makefile.in | 351 +- Build/source/texk/web2c/mfluadir/ChangeLog | 6 +- Build/source/texk/web2c/mfluadir/am/mflua.am | 15 +- Build/source/texk/web2c/mfluadir/am/mflualpeg.am | 25 + Build/source/texk/web2c/mfluadir/am/mfluaotfcc.am | 17 +- .../source/texk/web2c/mfluadir/am/mfluapotrace.am | 39 + Build/source/texk/web2c/mfluadir/luapeg/lpeg.c | 3507 ++++++++++++++++++++ Build/source/texk/web2c/mfluadir/luapeg/lpeg.h | 432 +++ .../source/texk/web2c/mfluadir/mflua_svnversion.h | 1 + Build/source/texk/web2c/mfluadir/mflua_version.h | 2 +- Build/source/texk/web2c/mfluadir/mfluac.c | 244 +- Build/source/texk/web2c/mfluadir/mfluac.h | 3 + .../source/texk/web2c/mfluadir/potrace/auxiliary.h | 80 + Build/source/texk/web2c/mfluadir/potrace/bitmap.h | 228 ++ Build/source/texk/web2c/mfluadir/potrace/config.h | 5 + Build/source/texk/web2c/mfluadir/potrace/curve.c | 112 + Build/source/texk/web2c/mfluadir/potrace/curve.h | 77 + .../source/texk/web2c/mfluadir/potrace/decompose.c | 521 +++ .../source/texk/web2c/mfluadir/potrace/decompose.h | 16 + Build/source/texk/web2c/mfluadir/potrace/lists.h | 285 ++ Build/source/texk/web2c/mfluadir/potrace/luafunc.c | 108 + Build/source/texk/web2c/mfluadir/potrace/luafunc.h | 24 + .../texk/web2c/mfluadir/potrace/potracelib.c | 114 + .../texk/web2c/mfluadir/potrace/potracelib.h | 139 + .../source/texk/web2c/mfluadir/potrace/progress.h | 79 + Build/source/texk/web2c/mfluadir/potrace/trace.c | 1249 +++++++ Build/source/texk/web2c/mfluadir/potrace/trace.h | 15 + Build/source/texk/web2c/mfluajitdir/ChangeLog | 5 +- Build/source/texk/web2c/mfluajitdir/am/mfluajit.am | 15 +- .../texk/web2c/mfluajitdir/am/mfluajitlpeg.am | 25 + 31 files changed, 7629 insertions(+), 113 deletions(-) create mode 100644 Build/source/texk/web2c/mfluadir/am/mflualpeg.am create mode 100644 Build/source/texk/web2c/mfluadir/am/mfluapotrace.am create mode 100644 Build/source/texk/web2c/mfluadir/luapeg/lpeg.c create mode 100644 Build/source/texk/web2c/mfluadir/luapeg/lpeg.h create mode 100644 Build/source/texk/web2c/mfluadir/mflua_svnversion.h create mode 100644 Build/source/texk/web2c/mfluadir/potrace/auxiliary.h create mode 100644 Build/source/texk/web2c/mfluadir/potrace/bitmap.h create mode 100644 Build/source/texk/web2c/mfluadir/potrace/config.h create mode 100644 Build/source/texk/web2c/mfluadir/potrace/curve.c create mode 100644 Build/source/texk/web2c/mfluadir/potrace/curve.h create mode 100644 Build/source/texk/web2c/mfluadir/potrace/decompose.c create mode 100644 Build/source/texk/web2c/mfluadir/potrace/decompose.h create mode 100644 Build/source/texk/web2c/mfluadir/potrace/lists.h create mode 100644 Build/source/texk/web2c/mfluadir/potrace/luafunc.c create mode 100644 Build/source/texk/web2c/mfluadir/potrace/luafunc.h create mode 100644 Build/source/texk/web2c/mfluadir/potrace/potracelib.c create mode 100644 Build/source/texk/web2c/mfluadir/potrace/potracelib.h create mode 100644 Build/source/texk/web2c/mfluadir/potrace/progress.h create mode 100644 Build/source/texk/web2c/mfluadir/potrace/trace.c create mode 100644 Build/source/texk/web2c/mfluadir/potrace/trace.h create mode 100644 Build/source/texk/web2c/mfluajitdir/am/mfluajitlpeg.am diff --git a/Build/source/texk/web2c/Makefile.am b/Build/source/texk/web2c/Makefile.am index 3c39de38ff2..799d35c2e1b 100644 --- a/Build/source/texk/web2c/Makefile.am +++ b/Build/source/texk/web2c/Makefile.am @@ -245,9 +245,12 @@ include $(srcdir)/am/texmf.am ## MFLua include $(srcdir)/mfluadir/am/mflua.am include $(srcdir)/mfluadir/am/mfluaotfcc.am +include $(srcdir)/mfluadir/am/mfluapotrace.am +include $(srcdir)/mfluadir/am/mflualpeg.am ## MFLuaJIT include $(srcdir)/mfluajitdir/am/mfluajit.am +include $(srcdir)/mfluajitdir/am/mfluajitlpeg.am ## MetaPost include $(srcdir)/mplibdir/am/mplib.am diff --git a/Build/source/texk/web2c/Makefile.in b/Build/source/texk/web2c/Makefile.in index a3949942eba..98eb015e3b6 100644 --- a/Build/source/texk/web2c/Makefile.in +++ b/Build/source/texk/web2c/Makefile.in @@ -985,11 +985,16 @@ nodist_libmfluajit_a_OBJECTS = $(am__objects_16) \ libmfluajit_a-mfluajit-pool.$(OBJEXT) libmfluajit_a_OBJECTS = $(dist_libmfluajit_a_OBJECTS) \ $(nodist_libmfluajit_a_OBJECTS) -libmfluajitotfcc_a_AR = $(AR) $(ARFLAGS) -libmfluajitotfcc_a_LIBADD = -libmfluajitotfcc_a_SOURCES = libmfluajitotfcc.c -libmfluajitotfcc_a_OBJECTS = \ - libmfluajitotfcc_a-libmfluajitotfcc.$(OBJEXT) +libmfluajitlpeg_a_AR = $(AR) $(ARFLAGS) +libmfluajitlpeg_a_LIBADD = +am_libmfluajitlpeg_a_OBJECTS = \ + mfluadir/luapeg/libmfluajitlpeg_a-lpeg.$(OBJEXT) +libmfluajitlpeg_a_OBJECTS = $(am_libmfluajitlpeg_a_OBJECTS) +libmflualpeg_a_AR = $(AR) $(ARFLAGS) +libmflualpeg_a_LIBADD = +am_libmflualpeg_a_OBJECTS = \ + mfluadir/luapeg/libmflualpeg_a-lpeg.$(OBJEXT) +libmflualpeg_a_OBJECTS = $(am_libmflualpeg_a_OBJECTS) libmfluaotfcc_a_AR = $(AR) $(ARFLAGS) libmfluaotfcc_a_LIBADD = am_libmfluaotfcc_a_OBJECTS = mfluadir/otfcc/dep/extern/emyg-dtoa/libmfluaotfcc_a-emyg-dtoa.$(OBJEXT) \ @@ -1109,6 +1114,15 @@ am_libmfluaotfcc_a_OBJECTS = mfluadir/otfcc/dep/extern/emyg-dtoa/libmfluaotfcc_a mfluadir/otfcc/lib/table/libmfluaotfcc_a-SVG.$(OBJEXT) \ mfluadir/otfcc/lib/table/libmfluaotfcc_a-TSI5.$(OBJEXT) libmfluaotfcc_a_OBJECTS = $(am_libmfluaotfcc_a_OBJECTS) +libmfluapotrace_a_AR = $(AR) $(ARFLAGS) +libmfluapotrace_a_LIBADD = +am_libmfluapotrace_a_OBJECTS = \ + mfluadir/potrace/libmfluapotrace_a-curve.$(OBJEXT) \ + mfluadir/potrace/libmfluapotrace_a-decompose.$(OBJEXT) \ + mfluadir/potrace/libmfluapotrace_a-luafunc.$(OBJEXT) \ + mfluadir/potrace/libmfluapotrace_a-potracelib.$(OBJEXT) \ + mfluadir/potrace/libmfluapotrace_a-trace.$(OBJEXT) +libmfluapotrace_a_OBJECTS = $(am_libmfluapotrace_a_OBJECTS) libmplibbackends_a_AR = $(AR) $(ARFLAGS) libmplibbackends_a_LIBADD = am__objects_17 = libmplibbackends_a-pngout.$(OBJEXT) @@ -1450,8 +1464,9 @@ mf_nowin_OBJECTS = $(dist_mf_nowin_OBJECTS) mf_nowin_DEPENDENCIES = libmf.a $(am__DEPENDENCIES_2) $(windowlib) dist_mflua_OBJECTS = mfluadir/mflua-mfluaextra.$(OBJEXT) mflua_OBJECTS = $(dist_mflua_OBJECTS) -mflua_DEPENDENCIES = libmflua.a libmfluaotfcc.a $(am__DEPENDENCIES_2) \ - $(windowlib) $(am__DEPENDENCIES_9) $(am__DEPENDENCIES_6) +mflua_DEPENDENCIES = libmflua.a libmfluaotfcc.a libmfluapotrace.a \ + libmflualpeg.a $(am__DEPENDENCIES_2) $(windowlib) \ + $(am__DEPENDENCIES_9) $(am__DEPENDENCIES_6) mflua_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \ $(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \ $(mflua_LDFLAGS) $(LDFLAGS) -o $@ @@ -1459,15 +1474,16 @@ am__objects_42 = mfluadir/mflua_nowin-mfluaextra.$(OBJEXT) nodist_mflua_nowin_OBJECTS = $(am__objects_42) mflua_nowin_OBJECTS = $(nodist_mflua_nowin_OBJECTS) mflua_nowin_DEPENDENCIES = libmflua.a libmfluaotfcc.a \ - $(am__DEPENDENCIES_2) $(windowlib) $(am__DEPENDENCIES_6) + libmfluapotrace.a libmflualpeg.a $(am__DEPENDENCIES_2) \ + $(windowlib) $(am__DEPENDENCIES_6) mflua_nowin_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \ $(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \ $(mflua_nowin_LDFLAGS) $(LDFLAGS) -o $@ dist_mfluajit_OBJECTS = mfluajitdir/mfluajit-mfluajitextra.$(OBJEXT) mfluajit_OBJECTS = $(dist_mfluajit_OBJECTS) mfluajit_DEPENDENCIES = libmfluajit.a libmfluaotfcc.a \ - $(am__DEPENDENCIES_2) $(windowlib) $(am__DEPENDENCIES_9) \ - $(am__DEPENDENCIES_1) + libmfluapotrace.a libmfluajitlpeg.a $(am__DEPENDENCIES_2) \ + $(windowlib) $(am__DEPENDENCIES_9) $(am__DEPENDENCIES_1) mfluajit_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \ $(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \ $(mfluajit_LDFLAGS) $(LDFLAGS) -o $@ @@ -1475,7 +1491,8 @@ am__objects_43 = mfluajitdir/mfluajit_nowin-mfluajitextra.$(OBJEXT) nodist_mfluajit_nowin_OBJECTS = $(am__objects_43) mfluajit_nowin_OBJECTS = $(nodist_mfluajit_nowin_OBJECTS) mfluajit_nowin_DEPENDENCIES = libmfluajit.a libmfluaotfcc.a \ - $(am__DEPENDENCIES_2) $(windowlib) $(am__DEPENDENCIES_1) + libmfluapotrace.a libmfluajitlpeg.a $(am__DEPENDENCIES_2) \ + $(windowlib) $(am__DEPENDENCIES_1) mfluajit_nowin_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC \ $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=link $(CCLD) \ $(AM_CFLAGS) $(CFLAGS) $(mfluajit_nowin_LDFLAGS) $(LDFLAGS) -o \ @@ -1787,7 +1804,6 @@ am__depfiles_remade = ./$(DEPDIR)/aleph-aleph-pool.Po \ ./$(DEPDIR)/libmfluajit_a-mfluajit-pool.Po \ ./$(DEPDIR)/libmfluajit_a-mfluajit0.Po \ ./$(DEPDIR)/libmfluajit_a-mfluajitini.Po \ - ./$(DEPDIR)/libmfluajitotfcc_a-libmfluajitotfcc.Po \ ./$(DEPDIR)/libmplibbackends_a-pngout.Po \ ./$(DEPDIR)/libmplibbackends_a-svgout.Po \ ./$(DEPDIR)/libmplibcore_a-mp.Po \ @@ -2230,6 +2246,8 @@ am__depfiles_remade = ./$(DEPDIR)/aleph-aleph-pool.Po \ mfluadir/$(DEPDIR)/libmfluajit_a-mfluac.Po \ mfluadir/$(DEPDIR)/mflua-mfluaextra.Po \ mfluadir/$(DEPDIR)/mflua_nowin-mfluaextra.Po \ + mfluadir/luapeg/$(DEPDIR)/libmfluajitlpeg_a-lpeg.Po \ + mfluadir/luapeg/$(DEPDIR)/libmflualpeg_a-lpeg.Po \ mfluadir/otfcc/dep/extern/$(DEPDIR)/libmfluaotfcc_a-json-builder.Po \ mfluadir/otfcc/dep/extern/$(DEPDIR)/libmfluaotfcc_a-json.Po \ mfluadir/otfcc/dep/extern/$(DEPDIR)/libmfluaotfcc_a-sds.Po \ @@ -2346,6 +2364,11 @@ am__depfiles_remade = ./$(DEPDIR)/aleph-aleph-pool.Po \ mfluadir/otfcc/lib/vf/$(DEPDIR)/libmfluaotfcc_a-vq.Po \ mfluadir/otfcc/src/$(DEPDIR)/libmfluaotfcc_a-luafunc.Po \ mfluadir/otfcc/src/$(DEPDIR)/libmfluaotfcc_a-otfccdll.Po \ + mfluadir/potrace/$(DEPDIR)/libmfluapotrace_a-curve.Po \ + mfluadir/potrace/$(DEPDIR)/libmfluapotrace_a-decompose.Po \ + mfluadir/potrace/$(DEPDIR)/libmfluapotrace_a-luafunc.Po \ + mfluadir/potrace/$(DEPDIR)/libmfluapotrace_a-potracelib.Po \ + mfluadir/potrace/$(DEPDIR)/libmfluapotrace_a-trace.Po \ mfluajitdir/$(DEPDIR)/mfluajit-mfluajitextra.Po \ mfluajitdir/$(DEPDIR)/mfluajit_nowin-mfluajitextra.Po \ mplibdir/$(DEPDIR)/libmputil_a-avl.Po \ @@ -2494,8 +2517,9 @@ SOURCES = $(libff_a_SOURCES) $(libkanji_a_SOURCES) \ $(nodist_libluatexspecific_a_SOURCES) $(libmd5_a_SOURCES) \ $(nodist_libmf_a_SOURCES) $(dist_libmflua_a_SOURCES) \ $(nodist_libmflua_a_SOURCES) $(dist_libmfluajit_a_SOURCES) \ - $(nodist_libmfluajit_a_SOURCES) libmfluajitotfcc.c \ - $(libmfluaotfcc_a_SOURCES) \ + $(nodist_libmfluajit_a_SOURCES) $(libmfluajitlpeg_a_SOURCES) \ + $(libmflualpeg_a_SOURCES) $(libmfluaotfcc_a_SOURCES) \ + $(libmfluapotrace_a_SOURCES) \ $(nodist_libmplibbackends_a_SOURCES) \ $(nodist_libmplibcore_a_SOURCES) \ $(nodist_libmplibextramath_a_SOURCES) $(libmputil_a_SOURCES) \ @@ -2561,8 +2585,9 @@ DIST_SOURCES = $(libff_a_SOURCES) $(libkanji_a_SOURCES) \ $(libluaharfbuzz_a_SOURCES) $(libluajitharfbuzz_a_SOURCES) \ $(dist_libluajittex_a_SOURCES) $(dist_libluatex_a_SOURCES) \ $(libmd5_a_SOURCES) $(dist_libmflua_a_SOURCES) \ - $(dist_libmfluajit_a_SOURCES) libmfluajitotfcc.c \ - $(libmfluaotfcc_a_SOURCES) $(libmputil_a_SOURCES) \ + $(dist_libmfluajit_a_SOURCES) $(libmfluajitlpeg_a_SOURCES) \ + $(libmflualpeg_a_SOURCES) $(libmfluaotfcc_a_SOURCES) \ + $(libmfluapotrace_a_SOURCES) $(libmputil_a_SOURCES) \ $(am__libpdftex_a_SOURCES_DIST) $(EXTRA_libpdftex_a_SOURCES) \ $(libukanji_a_SOURCES) $(libunilib_a_SOURCES) \ $(am__libxetex_a_SOURCES_DIST) $(libsynctex_la_SOURCES) \ @@ -2830,8 +2855,11 @@ am__DIST_COMMON = $(dist_man_MANS) $(srcdir)/../../am/bin_links.am \ $(srcdir)/luatexdir/am/luasocket.am \ $(srcdir)/luatexdir/am/luatex.am \ $(srcdir)/mfluadir/am/mflua.am \ + $(srcdir)/mfluadir/am/mflualpeg.am \ $(srcdir)/mfluadir/am/mfluaotfcc.am \ + $(srcdir)/mfluadir/am/mfluapotrace.am \ $(srcdir)/mfluajitdir/am/mfluajit.am \ + $(srcdir)/mfluajitdir/am/mfluajitlpeg.am \ $(srcdir)/mplibdir/am/libmplib.am \ $(srcdir)/mplibdir/am/libmputil.am \ $(srcdir)/mplibdir/am/mplib.am \ @@ -3147,15 +3175,17 @@ proglib = lib/lib.a #EXTRA_LIBRARIES += libluamisc.a liblua53misc.a libluajitmisc.a #EXTRA_LIBRARIES += libluaffi.a liblua53ffi.a -EXTRA_LIBRARIES = libmf.a libmflua.a libmfluaotfcc.a libmfluaotfcc.a \ - libmfluajitotfcc.a libmfluajit.a libmfluaotfcc.a libmputil.a \ - libmplibcore.a libmplibextramath.a libmplibbackends.a \ - libkanji.a libukanji.a libpdftex.a libluasocket.a \ - libluajitsocket.a libluamisc.a libluajitmisc.a libunilib.a \ - libff.a libluatex.a libluajittex.a libluatexspecific.a \ - libluajittexspecific.a libluahbtexspecific.a \ - libluajithbtexspecific.a libluaffi.a libluaharfbuzz.a \ - libluajitharfbuzz.a libxetex.a libsynctex.a libmd5.a +EXTRA_LIBRARIES = libmf.a libmflua.a libmfluaotfcc.a libmfluapotrace.a \ + libmflualpeg.a libmfluaotfcc.a libmfluapotrace.a \ + libmflualpeg.a libmfluajit.a libmfluaotfcc.a libmfluapotrace.a \ + libmfluajitlpeg.a libmfluajitlpeg.a libmputil.a libmplibcore.a \ + libmplibextramath.a libmplibbackends.a libkanji.a libukanji.a \ + libpdftex.a libluasocket.a libluajitsocket.a libluamisc.a \ + libluajitmisc.a libunilib.a libff.a libluatex.a libluajittex.a \ + libluatexspecific.a libluajittexspecific.a \ + libluahbtexspecific.a libluajithbtexspecific.a libluaffi.a \ + libluaharfbuzz.a libluajitharfbuzz.a libxetex.a libsynctex.a \ + libmd5.a EXTRA_LTLIBRARIES = libsynctex.la lib_LIBRARIES = $(am__append_125) lib_LTLIBRARIES = $(am__append_124) @@ -3893,11 +3923,11 @@ nodist_call_mflua_SOURCES = callexe.c call_mflua_LDADD = dist_mflua_SOURCES = mfluadir/mfluaextra.c mfluadir/mfluaextra.h mfluadir/mflua_version.h mflua_CPPFLAGS = $(AM_CPPFLAGS) $(X_CFLAGS) $(LUA_INCLUDES) -mflua_LDADD = libmflua.a libmfluaotfcc.a $(LDADD) $(windowlib) $(mf_x_libs) $(LUA_LIBS) +mflua_LDADD = libmflua.a libmfluaotfcc.a libmfluapotrace.a libmflualpeg.a $(LDADD) $(windowlib) $(mf_x_libs) $(LUA_LIBS) mflua_LDFLAGS = -export-dynamic nodist_mflua_nowin_SOURCES = $(dist_mflua_SOURCES) mflua_nowin_CPPFLAGS = $(mflua_CPPFLAGS) -DMFNOWIN $(LUA_INCLUDES) -mflua_nowin_LDADD = libmflua.a libmfluaotfcc.a $(LDADD) $(windowlib) $(LUA_LIBS) +mflua_nowin_LDADD = libmflua.a libmfluaotfcc.a libmfluapotrace.a libmflualpeg.a $(LDADD) $(windowlib) $(LUA_LIBS) mflua_nowin_LDFLAGS = -export-dynamic # MFLua C sources @@ -3922,22 +3952,11 @@ libmfluaotfcc_a_CPPFLAGS = \ -std=c99 -D_CARYLL_USE_PRE_SERIALIZED -DMAIN_VER=0 -DSECONDARY_VER=10 -DPATCH_VER=4 \ -I$(top_srcdir)/mfluadir/otfcc/include \ -I$(top_srcdir)/mfluadir/otfcc/include/dep \ - -I$(top_srcdir)/mfluadir/otfcc/lib \ - $(LUA_INCLUDES) - -libmfluajitotfcc_a_CPPFLAGS = \ - -std=c99 -D_CARYLL_USE_PRE_SERIALIZED -DMAIN_VER=0 -DSECONDARY_VER=10 -DPATCH_VER=4 \ - -DJIT \ - -I$(top_srcdir)/mfluadir/otfcc/include \ - -I$(top_srcdir)/mfluadir/otfcc/include/dep \ - -I$(top_srcdir)/mfluadir/otfcc/lib \ - $(LUAJIT_INCLUDES) + -I$(top_srcdir)/mfluadir/otfcc/lib libmfluaotfcc_a_CFLAGS = # $(WARNING_CFLAGS) -libmfluajitotfcc_a_CFLAGS = # $(WARNING_CFLAGS) #nodist_libmfluaotfcc_a_SOURCES = $(libmfluaotfcc_sources) -#nodist_libmfluajitotfcc_a_SOURCES = $(libmfluaotfcc_sources) libmfluaotfcc_a_SOURCES = \ mfluadir/otfcc/dep/extern/sdsalloc.h \ mfluadir/otfcc/dep/extern/emyg-dtoa/emyg-dtoa.c \ @@ -4197,16 +4216,48 @@ libmfluaotfcc_a_SOURCES = \ mfluadir/otfcc/lib/table/head.h \ mfluadir/otfcc/lib/table/TSI5.c +libmfluapotrace_a_CPPFLAGS = \ + -I$(top_srcdir)/mfluadir/potrace + +libmfluapotrace_a_CFLAGS = # $(WARNING_CFLAGS) + +#nodist_libmfluapotrace_a_SOURCES = $(libmfluapotrace_sources) +libmfluapotrace_a_SOURCES = \ + mfluadir/potrace/auxiliary.h \ + mfluadir/potrace/bitmap.h \ + mfluadir/potrace/config.h \ + mfluadir/potrace/curve.c \ + mfluadir/potrace/curve.h \ + mfluadir/potrace/decompose.c \ + mfluadir/potrace/decompose.h \ + mfluadir/potrace/lists.h \ + mfluadir/potrace/luafunc.c \ + mfluadir/potrace/luafunc.h \ + mfluadir/potrace/potracelib.c \ + mfluadir/potrace/potracelib.h \ + mfluadir/potrace/progress.h \ + mfluadir/potrace/trace.c \ + mfluadir/potrace/trace.h + +libmflualpeg_a_CPPFLAGS = \ + -I$(top_srcdir)/mfluadir/luapeg \ + $(LUA_INCLUDES) + +libmflualpeg_a_CFLAGS = # $(WARNING_CFLAGS) +libmflualpeg_a_SOURCES = \ + mfluadir/luapeg/lpeg.c \ + mfluadir/luapeg/lpeg.h + call_mfluajit_CPPFLAGS = -DEXEPROG=\"mfluajit.exe\" nodist_call_mfluajit_SOURCES = callexe.c call_mfluajit_LDADD = dist_mfluajit_SOURCES = mfluajitdir/mfluajitextra.c mfluajitdir/mfluajitextra.h mfluadir/mflua_version.h mfluajit_CPPFLAGS = $(AM_CPPFLAGS) $(X_CFLAGS) $(LUAJIT_INCLUDES) $(LUAJIT_DEFINES) -mfluajit_LDADD = libmfluajit.a libmfluaotfcc.a $(LDADD) $(windowlib) $(mf_x_libs) $(LUAJIT_LIBS) +mfluajit_LDADD = libmfluajit.a libmfluaotfcc.a libmfluapotrace.a libmfluajitlpeg.a $(LDADD) $(windowlib) $(mf_x_libs) $(LUAJIT_LIBS) mfluajit_LDFLAGS = -export-dynamic $(LUAJIT_LDEXTRA) nodist_mfluajit_nowin_SOURCES = $(dist_mfluajit_SOURCES) mfluajit_nowin_CPPFLAGS = $(mfluajit_CPPFLAGS) -DMFNOWIN $(LUAJIT_INCLUDES) $(LUAJIT_DEFINES) -mfluajit_nowin_LDADD = libmfluajit.a libmfluaotfcc.a $(LDADD) $(windowlib) $(LUAJIT_LIBS) +mfluajit_nowin_LDADD = libmfluajit.a libmfluaotfcc.a libmfluapotrace.a libmfluajitlpeg.a $(LDADD) $(windowlib) $(LUAJIT_LIBS) mfluajit_nowin_LDFLAGS = -export-dynamic $(LUAJIT_LDEXTRA) # MFLuaJIT C sources @@ -4228,6 +4279,15 @@ mfluajit_ch_src = \ # MFLuaJIT tests # mfluajit_tests = mfluajitdir/mfluajittraptest.test +libmfluajitlpeg_a_CPPFLAGS = \ + -I$(top_srcdir)/mfluadir/luapeg \ + $(LUAJIT_INCLUDES) + +libmfluajitlpeg_a_CFLAGS = # $(WARNING_CFLAGS) +libmfluajitlpeg_a_SOURCES = \ + mfluadir/luapeg/lpeg.c \ + mfluadir/luapeg/lpeg.h + mpost_CPPFLAGS = $(AM_CPPFLAGS) $(ZLIB_INCLUDES) $(LIBPNG_INCLUDES) -I$(srcdir)/mplibdir mpost_LDADD = libmplibcore.a libmplibextramath.a libmplibbackends.a $(KPATHSEA_LIBS) $(MPFR_LIBS) $(GMP_LIBS) \ $(CAIRO_LIBS) $(PIXMAN_LIBS) $(LIBPNG_LIBS) $(ZLIB_LIBS) libmputil.a @@ -5638,7 +5698,7 @@ all: ff-config.h .SUFFIXES: .c .cc .cin .cpp .cxx .h .hin .lo .log .mm .o .obj .p .pin .pl .pl$(EXEEXT) .test .test$(EXEEXT) .trs am--refresh: Makefile @: -$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am $(srcdir)/../../am/dist_hook.am $(srcdir)/am/bootstrap.am $(srcdir)/am/web.am $(srcdir)/am/cweb.am $(srcdir)/am/texmf.am $(srcdir)/mfluadir/am/mflua.am $(srcdir)/mfluadir/am/mfluaotfcc.am $(srcdir)/mfluajitdir/am/mfluajit.am $(srcdir)/mplibdir/am/mplib.am $(srcdir)/pmpostdir/am/pmpost.am $(srcdir)/mplibdir/am/libmputil.am $(srcdir)/mplibdir/am/libmplib.am $(srcdir)/etexdir/am/etex.am $(srcdir)/ptexdir/am/ptex.am $(srcdir)/eptexdir/am/eptex.am $(srcdir)/uptexdir/am/uptex.am $(srcdir)/euptexdir/am/euptex.am $(srcdir)/hitexdir/am/hitex.am $(srcdir)/pdftexdir/am/libpdftex.am $(srcdir)/pdftexdir/am/pdftex.am $(srcdir)/pdftexdir/am/ttf2afm.am $(srcdir)/pdftexdir/am/pdftosrc.am $(srcdir)/luatexdir/am/luasocket.am $(srcdir)/luatexdir/am/luamisc.am $(srcdir)/luatexdir/am/libunilib.am $(srcdir)/luatexdir/am/luafontforge.am $(srcdir)/luatexdir/am/libluatex.am $(srcdir)/luatexdir/am/luaffi.am $(srcdir)/luatexdir/am/luatex.am $(srcdir)/luatexdir/am/luaharfbuzz.am $(srcdir)/xetexdir/am/xetex.am $(srcdir)/omegaware/am/omegaware.am $(srcdir)/alephdir/am/aleph.am $(srcdir)/synctexdir/am/synctex.am $(srcdir)/libmd5/am/md5.am $(srcdir)/../../am/bin_links.am $(am__configure_deps) +$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am $(srcdir)/../../am/dist_hook.am $(srcdir)/am/bootstrap.am $(srcdir)/am/web.am $(srcdir)/am/cweb.am $(srcdir)/am/texmf.am $(srcdir)/mfluadir/am/mflua.am $(srcdir)/mfluadir/am/mfluaotfcc.am $(srcdir)/mfluadir/am/mfluapotrace.am $(srcdir)/mfluadir/am/mflualpeg.am $(srcdir)/mfluajitdir/am/mfluajit.am $(srcdir)/mfluajitdir/am/mfluajitlpeg.am $(srcdir)/mplibdir/am/mplib.am $(srcdir)/pmpostdir/am/pmpost.am $(srcdir)/mplibdir/am/libmputil.am $(srcdir)/mplibdir/am/libmplib.am $(srcdir)/etexdir/am/etex.am $(srcdir)/ptexdir/am/ptex.am $(srcdir)/eptexdir/am/eptex.am $(srcdir)/uptexdir/am/uptex.am $(srcdir)/euptexdir/am/euptex.am $(srcdir)/hitexdir/am/hitex.am $(srcdir)/pdftexdir/am/libpdftex.am $(srcdir)/pdftexdir/am/pdftex.am $(srcdir)/pdftexdir/am/ttf2afm.am $(srcdir)/pdftexdir/am/pdftosrc.am $(srcdir)/luatexdir/am/luasocket.am $(srcdir)/luatexdir/am/luamisc.am $(srcdir)/luatexdir/am/libunilib.am $(srcdir)/luatexdir/am/luafontforge.am $(srcdir)/luatexdir/am/libluatex.am $(srcdir)/luatexdir/am/luaffi.am $(srcdir)/luatexdir/am/luatex.am $(srcdir)/luatexdir/am/luaharfbuzz.am $(srcdir)/xetexdir/am/xetex.am $(srcdir)/omegaware/am/omegaware.am $(srcdir)/alephdir/am/aleph.am $(srcdir)/synctexdir/am/synctex.am $(srcdir)/libmd5/am/md5.am $(srcdir)/../../am/bin_links.am $(am__configure_deps) @for dep in $?; do \ case '$(am__configure_deps)' in \ *$$dep*) \ @@ -5660,7 +5720,7 @@ Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status echo ' cd $(top_builddir) && $(SHELL) ./config.status $@ $(am__maybe_remake_depfiles)'; \ cd $(top_builddir) && $(SHELL) ./config.status $@ $(am__maybe_remake_depfiles);; \ esac; -$(srcdir)/../../am/dist_hook.am $(srcdir)/am/bootstrap.am $(srcdir)/am/web.am $(srcdir)/am/cweb.am $(srcdir)/am/texmf.am $(srcdir)/mfluadir/am/mflua.am $(srcdir)/mfluadir/am/mfluaotfcc.am $(srcdir)/mfluajitdir/am/mfluajit.am $(srcdir)/mplibdir/am/mplib.am $(srcdir)/pmpostdir/am/pmpost.am $(srcdir)/mplibdir/am/libmputil.am $(srcdir)/mplibdir/am/libmplib.am $(srcdir)/etexdir/am/etex.am $(srcdir)/ptexdir/am/ptex.am $(srcdir)/eptexdir/am/eptex.am $(srcdir)/uptexdir/am/uptex.am $(srcdir)/euptexdir/am/euptex.am $(srcdir)/hitexdir/am/hitex.am $(srcdir)/pdftexdir/am/libpdftex.am $(srcdir)/pdftexdir/am/pdftex.am $(srcdir)/pdftexdir/am/ttf2afm.am $(srcdir)/pdftexdir/am/pdftosrc.am $(srcdir)/luatexdir/am/luasocket.am $(srcdir)/luatexdir/am/luamisc.am $(srcdir)/luatexdir/am/libunilib.am $(srcdir)/luatexdir/am/luafontforge.am $(srcdir)/luatexdir/am/libluatex.am $(srcdir)/luatexdir/am/luaffi.am $(srcdir)/luatexdir/am/luatex.am $(srcdir)/luatexdir/am/luaharfbuzz.am $(srcdir)/xetexdir/am/xetex.am $(srcdir)/omegaware/am/omegaware.am $(srcdir)/alephdir/am/aleph.am $(srcdir)/synctexdir/am/synctex.am $(srcdir)/libmd5/am/md5.am $(srcdir)/../../am/bin_links.am $(am__empty): +$(srcdir)/../../am/dist_hook.am $(srcdir)/am/bootstrap.am $(srcdir)/am/web.am $(srcdir)/am/cweb.am $(srcdir)/am/texmf.am $(srcdir)/mfluadir/am/mflua.am $(srcdir)/mfluadir/am/mfluaotfcc.am $(srcdir)/mfluadir/am/mfluapotrace.am $(srcdir)/mfluadir/am/mflualpeg.am $(srcdir)/mfluajitdir/am/mfluajit.am $(srcdir)/mfluajitdir/am/mfluajitlpeg.am $(srcdir)/mplibdir/am/mplib.am $(srcdir)/pmpostdir/am/pmpost.am $(srcdir)/mplibdir/am/libmputil.am $(srcdir)/mplibdir/am/libmplib.am $(srcdir)/etexdir/am/etex.am $(srcdir)/ptexdir/am/ptex.am $(srcdir)/eptexdir/am/eptex.am $(srcdir)/uptexdir/am/uptex.am $(srcdir)/euptexdir/am/euptex.am $(srcdir)/hitexdir/am/hitex.am $(srcdir)/pdftexdir/am/libpdftex.am $(srcdir)/pdftexdir/am/pdftex.am $(srcdir)/pdftexdir/am/ttf2afm.am $(srcdir)/pdftexdir/am/pdftosrc.am $(srcdir)/luatexdir/am/luasocket.am $(srcdir)/luatexdir/am/luamisc.am $(srcdir)/luatexdir/am/libunilib.am $(srcdir)/luatexdir/am/luafontforge.am $(srcdir)/luatexdir/am/libluatex.am $(srcdir)/luatexdir/am/luaffi.am $(srcdir)/luatexdir/am/luatex.am $(srcdir)/luatexdir/am/luaharfbuzz.am $(srcdir)/xetexdir/am/xetex.am $(srcdir)/omegaware/am/omegaware.am $(srcdir)/alephdir/am/aleph.am $(srcdir)/synctexdir/am/synctex.am $(srcdir)/libmd5/am/md5.am $(srcdir)/../../am/bin_links.am $(am__empty): $(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES) $(SHELL) ./config.status --recheck @@ -7155,11 +7215,28 @@ libmfluajit.a: $(libmfluajit_a_OBJECTS) $(libmfluajit_a_DEPENDENCIES) $(EXTRA_li $(AM_V_at)-rm -f libmfluajit.a $(AM_V_AR)$(libmfluajit_a_AR) libmfluajit.a $(libmfluajit_a_OBJECTS) $(libmfluajit_a_LIBADD) $(AM_V_at)$(RANLIB) libmfluajit.a - -libmfluajitotfcc.a: $(libmfluajitotfcc_a_OBJECTS) $(libmfluajitotfcc_a_DEPENDENCIES) $(EXTRA_libmfluajitotfcc_a_DEPENDENCIES) - $(AM_V_at)-rm -f libmfluajitotfcc.a - $(AM_V_AR)$(libmfluajitotfcc_a_AR) libmfluajitotfcc.a $(libmfluajitotfcc_a_OBJECTS) $(libmfluajitotfcc_a_LIBADD) - $(AM_V_at)$(RANLIB) libmfluajitotfcc.a +mfluadir/luapeg/$(am__dirstamp): + @$(MKDIR_P) mfluadir/luapeg + @: > mfluadir/luapeg/$(am__dirstamp) +mfluadir/luapeg/$(DEPDIR)/$(am__dirstamp): + @$(MKDIR_P) mfluadir/luapeg/$(DEPDIR) + @: > mfluadir/luapeg/$(DEPDIR)/$(am__dirstamp) +mfluadir/luapeg/libmfluajitlpeg_a-lpeg.$(OBJEXT): \ + mfluadir/luapeg/$(am__dirstamp) \ + mfluadir/luapeg/$(DEPDIR)/$(am__dirstamp) + +libmfluajitlpeg.a: $(libmfluajitlpeg_a_OBJECTS) $(libmfluajitlpeg_a_DEPENDENCIES) $(EXTRA_libmfluajitlpeg_a_DEPENDENCIES) + $(AM_V_at)-rm -f libmfluajitlpeg.a + $(AM_V_AR)$(libmfluajitlpeg_a_AR) libmfluajitlpeg.a $(libmfluajitlpeg_a_OBJECTS) $(libmfluajitlpeg_a_LIBADD) + $(AM_V_at)$(RANLIB) libmfluajitlpeg.a +mfluadir/luapeg/libmflualpeg_a-lpeg.$(OBJEXT): \ + mfluadir/luapeg/$(am__dirstamp) \ + mfluadir/luapeg/$(DEPDIR)/$(am__dirstamp) + +libmflualpeg.a: $(libmflualpeg_a_OBJECTS) $(libmflualpeg_a_DEPENDENCIES) $(EXTRA_libmflualpeg_a_DEPENDENCIES) + $(AM_V_at)-rm -f libmflualpeg.a + $(AM_V_AR)$(libmflualpeg_a_AR) libmflualpeg.a $(libmflualpeg_a_OBJECTS) $(libmflualpeg_a_LIBADD) + $(AM_V_at)$(RANLIB) libmflualpeg.a mfluadir/otfcc/dep/extern/emyg-dtoa/$(am__dirstamp): @$(MKDIR_P) mfluadir/otfcc/dep/extern/emyg-dtoa @: > mfluadir/otfcc/dep/extern/emyg-dtoa/$(am__dirstamp) @@ -7681,6 +7758,32 @@ libmfluaotfcc.a: $(libmfluaotfcc_a_OBJECTS) $(libmfluaotfcc_a_DEPENDENCIES) $(EX $(AM_V_at)-rm -f libmfluaotfcc.a $(AM_V_AR)$(libmfluaotfcc_a_AR) libmfluaotfcc.a $(libmfluaotfcc_a_OBJECTS) $(libmfluaotfcc_a_LIBADD) $(AM_V_at)$(RANLIB) libmfluaotfcc.a +mfluadir/potrace/$(am__dirstamp): + @$(MKDIR_P) mfluadir/potrace + @: > mfluadir/potrace/$(am__dirstamp) +mfluadir/potrace/$(DEPDIR)/$(am__dirstamp): + @$(MKDIR_P) mfluadir/potrace/$(DEPDIR) + @: > mfluadir/potrace/$(DEPDIR)/$(am__dirstamp) +mfluadir/potrace/libmfluapotrace_a-curve.$(OBJEXT): \ + mfluadir/potrace/$(am__dirstamp) \ + mfluadir/potrace/$(DEPDIR)/$(am__dirstamp) +mfluadir/potrace/libmfluapotrace_a-decompose.$(OBJEXT): \ + mfluadir/potrace/$(am__dirstamp) \ + mfluadir/potrace/$(DEPDIR)/$(am__dirstamp) +mfluadir/potrace/libmfluapotrace_a-luafunc.$(OBJEXT): \ + mfluadir/potrace/$(am__dirstamp) \ + mfluadir/potrace/$(DEPDIR)/$(am__dirstamp) +mfluadir/potrace/libmfluapotrace_a-potracelib.$(OBJEXT): \ + mfluadir/potrace/$(am__dirstamp) \ + mfluadir/potrace/$(DEPDIR)/$(am__dirstamp) +mfluadir/potrace/libmfluapotrace_a-trace.$(OBJEXT): \ + mfluadir/potrace/$(am__dirstamp) \ + mfluadir/potrace/$(DEPDIR)/$(am__dirstamp) + +libmfluapotrace.a: $(libmfluapotrace_a_OBJECTS) $(libmfluapotrace_a_DEPENDENCIES) $(EXTRA_libmfluapotrace_a_DEPENDENCIES) + $(AM_V_at)-rm -f libmfluapotrace.a + $(AM_V_AR)$(libmfluapotrace_a_AR) libmfluapotrace.a $(libmfluapotrace_a_OBJECTS) $(libmfluapotrace_a_LIBADD) + $(AM_V_at)$(RANLIB) libmfluapotrace.a libmplibbackends.a: $(libmplibbackends_a_OBJECTS) $(libmplibbackends_a_DEPENDENCIES) $(EXTRA_libmplibbackends_a_DEPENDENCIES) $(AM_V_at)-rm -f libmplibbackends.a @@ -8400,6 +8503,7 @@ mostlyclean-compile: -rm -f luatexdir/unilib/*.$(OBJEXT) -rm -f luatexdir/utils/*.$(OBJEXT) -rm -f mfluadir/*.$(OBJEXT) + -rm -f mfluadir/luapeg/*.$(OBJEXT) -rm -f mfluadir/otfcc/dep/extern/*.$(OBJEXT) -rm -f mfluadir/otfcc/dep/extern/emyg-dtoa/*.$(OBJEXT) -rm -f mfluadir/otfcc/lib/bk/*.$(OBJEXT) @@ -8429,6 +8533,7 @@ mostlyclean-compile: -rm -f mfluadir/otfcc/lib/table/vdmx/*.$(OBJEXT) -rm -f mfluadir/otfcc/lib/vf/*.$(OBJEXT) -rm -f mfluadir/otfcc/src/*.$(OBJEXT) + -rm -f mfluadir/potrace/*.$(OBJEXT) -rm -f mfluajitdir/*.$(OBJEXT) -rm -f mplibdir/*.$(OBJEXT) -rm -f pdftexdir/*.$(OBJEXT) @@ -8503,7 +8608,6 @@ distclean-compile: @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmfluajit_a-mfluajit-pool.Po@am__quote@ # am--include-marker @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmfluajit_a-mfluajit0.Po@am__quote@ # am--include-marker @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmfluajit_a-mfluajitini.Po@am__quote@ # am--include-marker -@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmfluajitotfcc_a-libmfluajitotfcc.Po@am__quote@ # am--include-marker @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmplibbackends_a-pngout.Po@am__quote@ # am--include-marker @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmplibbackends_a-svgout.Po@am__quote@ # am--include-marker @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libmplibcore_a-mp.Po@am__quote@ # am--include-marker @@ -8981,6 +9085,8 @@ distclean-compile: @AMDEP_TRUE@@am__include@ @am__quote@mfluadir/$(DEPDIR)/libmfluajit_a-mfluac.Po@am__quote@ # am--include-marker @AMDEP_TRUE@@am__include@ @am__quote@mfluadir/$(DEPDIR)/mflua-mfluaextra.Po@am__quote@ # am--include-marker @AMDEP_TRUE@@am__include@ @am__quote@mfluadir/$(DEPDIR)/mflua_nowin-mfluaextra.Po@am__quote@ # am--include-marker +@AMDEP_TRUE@@am__include@ @am__quote@mfluadir/luapeg/$(DEPDIR)/libmfluajitlpeg_a-lpeg.Po@am__quote@ # am--include-marker +@AMDEP_TRUE@@am__include@ @am__quote@mfluadir/luapeg/$(DEPDIR)/libmflualpeg_a-lpeg.Po@am__quote@ # am--include-marker @AMDEP_TRUE@@am__include@ @am__quote@mfluadir/otfcc/dep/extern/$(DEPDIR)/libmfluaotfcc_a-json-builder.Po@am__quote@ # am--include-marker @AMDEP_TRUE@@am__include@ @am__quote@mfluadir/otfcc/dep/extern/$(DEPDIR)/libmfluaotfcc_a-json.Po@am__quote@ # am--include-marker @AMDEP_TRUE@@am__include@ @am__quote@mfluadir/otfcc/dep/extern/$(DEPDIR)/libmfluaotfcc_a-sds.Po@am__quote@ # am--include-marker @@ -9097,6 +9203,11 @@ distclean-compile: 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'mfluadir/potrace/luafunc.c'; then $(CYGPATH_W) 'mfluadir/potrace/luafunc.c'; else $(CYGPATH_W) '$(srcdir)/mfluadir/potrace/luafunc.c'; fi` +@am__fastdepCC_TRUE@ $(AM_V_at)$(am__mv) mfluadir/potrace/$(DEPDIR)/libmfluapotrace_a-luafunc.Tpo mfluadir/potrace/$(DEPDIR)/libmfluapotrace_a-luafunc.Po +@AMDEP_TRUE@@am__fastdepCC_FALSE@ $(AM_V_CC)source='mfluadir/potrace/luafunc.c' object='mfluadir/potrace/libmfluapotrace_a-luafunc.obj' libtool=no @AMDEPBACKSLASH@ +@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCC_FALSE@ $(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libmfluapotrace_a_CPPFLAGS) $(CPPFLAGS) $(libmfluapotrace_a_CFLAGS) $(CFLAGS) -c -o mfluadir/potrace/libmfluapotrace_a-luafunc.obj `if test -f 'mfluadir/potrace/luafunc.c'; then $(CYGPATH_W) 'mfluadir/potrace/luafunc.c'; else $(CYGPATH_W) '$(srcdir)/mfluadir/potrace/luafunc.c'; fi` + +mfluadir/potrace/libmfluapotrace_a-potracelib.o: mfluadir/potrace/potracelib.c +@am__fastdepCC_TRUE@ $(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libmfluapotrace_a_CPPFLAGS) $(CPPFLAGS) $(libmfluapotrace_a_CFLAGS) $(CFLAGS) -MT mfluadir/potrace/libmfluapotrace_a-potracelib.o -MD -MP -MF mfluadir/potrace/$(DEPDIR)/libmfluapotrace_a-potracelib.Tpo -c -o mfluadir/potrace/libmfluapotrace_a-potracelib.o `test -f 'mfluadir/potrace/potracelib.c' || echo '$(srcdir)/'`mfluadir/potrace/potracelib.c +@am__fastdepCC_TRUE@ $(AM_V_at)$(am__mv) mfluadir/potrace/$(DEPDIR)/libmfluapotrace_a-potracelib.Tpo mfluadir/potrace/$(DEPDIR)/libmfluapotrace_a-potracelib.Po +@AMDEP_TRUE@@am__fastdepCC_FALSE@ $(AM_V_CC)source='mfluadir/potrace/potracelib.c' object='mfluadir/potrace/libmfluapotrace_a-potracelib.o' libtool=no @AMDEPBACKSLASH@ +@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCC_FALSE@ $(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libmfluapotrace_a_CPPFLAGS) $(CPPFLAGS) $(libmfluapotrace_a_CFLAGS) $(CFLAGS) -c -o mfluadir/potrace/libmfluapotrace_a-potracelib.o `test -f 'mfluadir/potrace/potracelib.c' || echo '$(srcdir)/'`mfluadir/potrace/potracelib.c + +mfluadir/potrace/libmfluapotrace_a-potracelib.obj: mfluadir/potrace/potracelib.c +@am__fastdepCC_TRUE@ $(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libmfluapotrace_a_CPPFLAGS) $(CPPFLAGS) $(libmfluapotrace_a_CFLAGS) $(CFLAGS) -MT mfluadir/potrace/libmfluapotrace_a-potracelib.obj -MD -MP -MF mfluadir/potrace/$(DEPDIR)/libmfluapotrace_a-potracelib.Tpo -c -o mfluadir/potrace/libmfluapotrace_a-potracelib.obj `if test -f 'mfluadir/potrace/potracelib.c'; then $(CYGPATH_W) 'mfluadir/potrace/potracelib.c'; else $(CYGPATH_W) '$(srcdir)/mfluadir/potrace/potracelib.c'; fi` +@am__fastdepCC_TRUE@ $(AM_V_at)$(am__mv) mfluadir/potrace/$(DEPDIR)/libmfluapotrace_a-potracelib.Tpo mfluadir/potrace/$(DEPDIR)/libmfluapotrace_a-potracelib.Po +@AMDEP_TRUE@@am__fastdepCC_FALSE@ $(AM_V_CC)source='mfluadir/potrace/potracelib.c' object='mfluadir/potrace/libmfluapotrace_a-potracelib.obj' libtool=no @AMDEPBACKSLASH@ +@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCC_FALSE@ $(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libmfluapotrace_a_CPPFLAGS) $(CPPFLAGS) $(libmfluapotrace_a_CFLAGS) $(CFLAGS) -c -o mfluadir/potrace/libmfluapotrace_a-potracelib.obj `if test -f 'mfluadir/potrace/potracelib.c'; then $(CYGPATH_W) 'mfluadir/potrace/potracelib.c'; else $(CYGPATH_W) '$(srcdir)/mfluadir/potrace/potracelib.c'; fi` + +mfluadir/potrace/libmfluapotrace_a-trace.o: mfluadir/potrace/trace.c +@am__fastdepCC_TRUE@ $(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libmfluapotrace_a_CPPFLAGS) $(CPPFLAGS) $(libmfluapotrace_a_CFLAGS) $(CFLAGS) -MT mfluadir/potrace/libmfluapotrace_a-trace.o -MD -MP -MF mfluadir/potrace/$(DEPDIR)/libmfluapotrace_a-trace.Tpo -c -o mfluadir/potrace/libmfluapotrace_a-trace.o `test -f 'mfluadir/potrace/trace.c' || echo '$(srcdir)/'`mfluadir/potrace/trace.c +@am__fastdepCC_TRUE@ $(AM_V_at)$(am__mv) mfluadir/potrace/$(DEPDIR)/libmfluapotrace_a-trace.Tpo mfluadir/potrace/$(DEPDIR)/libmfluapotrace_a-trace.Po +@AMDEP_TRUE@@am__fastdepCC_FALSE@ $(AM_V_CC)source='mfluadir/potrace/trace.c' object='mfluadir/potrace/libmfluapotrace_a-trace.o' libtool=no @AMDEPBACKSLASH@ +@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCC_FALSE@ $(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libmfluapotrace_a_CPPFLAGS) $(CPPFLAGS) $(libmfluapotrace_a_CFLAGS) $(CFLAGS) -c -o mfluadir/potrace/libmfluapotrace_a-trace.o `test -f 'mfluadir/potrace/trace.c' || echo '$(srcdir)/'`mfluadir/potrace/trace.c + +mfluadir/potrace/libmfluapotrace_a-trace.obj: mfluadir/potrace/trace.c +@am__fastdepCC_TRUE@ $(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libmfluapotrace_a_CPPFLAGS) $(CPPFLAGS) $(libmfluapotrace_a_CFLAGS) $(CFLAGS) -MT mfluadir/potrace/libmfluapotrace_a-trace.obj -MD -MP -MF mfluadir/potrace/$(DEPDIR)/libmfluapotrace_a-trace.Tpo -c -o mfluadir/potrace/libmfluapotrace_a-trace.obj `if test -f 'mfluadir/potrace/trace.c'; then $(CYGPATH_W) 'mfluadir/potrace/trace.c'; else $(CYGPATH_W) '$(srcdir)/mfluadir/potrace/trace.c'; fi` +@am__fastdepCC_TRUE@ $(AM_V_at)$(am__mv) mfluadir/potrace/$(DEPDIR)/libmfluapotrace_a-trace.Tpo mfluadir/potrace/$(DEPDIR)/libmfluapotrace_a-trace.Po +@AMDEP_TRUE@@am__fastdepCC_FALSE@ $(AM_V_CC)source='mfluadir/potrace/trace.c' object='mfluadir/potrace/libmfluapotrace_a-trace.obj' libtool=no @AMDEPBACKSLASH@ +@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCC_FALSE@ $(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libmfluapotrace_a_CPPFLAGS) $(CPPFLAGS) $(libmfluapotrace_a_CFLAGS) $(CFLAGS) -c -o mfluadir/potrace/libmfluapotrace_a-trace.obj `if test -f 'mfluadir/potrace/trace.c'; then $(CYGPATH_W) 'mfluadir/potrace/trace.c'; else $(CYGPATH_W) '$(srcdir)/mfluadir/potrace/trace.c'; fi` + libmplibbackends_a-pngout.o: pngout.c @am__fastdepCC_TRUE@ $(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libmplibbackends_a_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT libmplibbackends_a-pngout.o -MD -MP -MF $(DEPDIR)/libmplibbackends_a-pngout.Tpo -c -o libmplibbackends_a-pngout.o `test -f 'pngout.c' || echo '$(srcdir)/'`pngout.c @am__fastdepCC_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/libmplibbackends_a-pngout.Tpo $(DEPDIR)/libmplibbackends_a-pngout.Po @@ -19707,6 +19902,8 @@ distclean-generic: -rm -f luatexdir/utils/$(am__dirstamp) -rm -f mfluadir/$(DEPDIR)/$(am__dirstamp) -rm -f mfluadir/$(am__dirstamp) + -rm -f mfluadir/luapeg/$(DEPDIR)/$(am__dirstamp) + -rm -f mfluadir/luapeg/$(am__dirstamp) -rm -f mfluadir/otfcc/dep/extern/$(DEPDIR)/$(am__dirstamp) -rm -f mfluadir/otfcc/dep/extern/$(am__dirstamp) -rm -f mfluadir/otfcc/dep/extern/emyg-dtoa/$(DEPDIR)/$(am__dirstamp) @@ -19765,6 +19962,8 @@ distclean-generic: -rm -f mfluadir/otfcc/lib/vf/$(am__dirstamp) -rm -f mfluadir/otfcc/src/$(DEPDIR)/$(am__dirstamp) -rm -f mfluadir/otfcc/src/$(am__dirstamp) + -rm -f mfluadir/potrace/$(DEPDIR)/$(am__dirstamp) + -rm -f mfluadir/potrace/$(am__dirstamp) -rm -f mfluajitdir/$(DEPDIR)/$(am__dirstamp) -rm -f mfluajitdir/$(am__dirstamp) -rm -f mplibdir/$(DEPDIR)/$(am__dirstamp) @@ -19856,7 +20055,6 @@ distclean: distclean-recursive -rm -f ./$(DEPDIR)/libmfluajit_a-mfluajit-pool.Po -rm -f ./$(DEPDIR)/libmfluajit_a-mfluajit0.Po -rm -f ./$(DEPDIR)/libmfluajit_a-mfluajitini.Po - -rm -f ./$(DEPDIR)/libmfluajitotfcc_a-libmfluajitotfcc.Po -rm -f ./$(DEPDIR)/libmplibbackends_a-pngout.Po -rm -f ./$(DEPDIR)/libmplibbackends_a-svgout.Po -rm -f ./$(DEPDIR)/libmplibcore_a-mp.Po @@ -20334,6 +20532,8 @@ distclean: distclean-recursive -rm -f mfluadir/$(DEPDIR)/libmfluajit_a-mfluac.Po -rm -f mfluadir/$(DEPDIR)/mflua-mfluaextra.Po -rm -f mfluadir/$(DEPDIR)/mflua_nowin-mfluaextra.Po + -rm -f mfluadir/luapeg/$(DEPDIR)/libmfluajitlpeg_a-lpeg.Po + -rm -f mfluadir/luapeg/$(DEPDIR)/libmflualpeg_a-lpeg.Po -rm -f mfluadir/otfcc/dep/extern/$(DEPDIR)/libmfluaotfcc_a-json-builder.Po -rm -f mfluadir/otfcc/dep/extern/$(DEPDIR)/libmfluaotfcc_a-json.Po -rm -f mfluadir/otfcc/dep/extern/$(DEPDIR)/libmfluaotfcc_a-sds.Po @@ -20450,6 +20650,11 @@ distclean: distclean-recursive -rm -f mfluadir/otfcc/lib/vf/$(DEPDIR)/libmfluaotfcc_a-vq.Po -rm -f mfluadir/otfcc/src/$(DEPDIR)/libmfluaotfcc_a-luafunc.Po -rm -f mfluadir/otfcc/src/$(DEPDIR)/libmfluaotfcc_a-otfccdll.Po + -rm -f mfluadir/potrace/$(DEPDIR)/libmfluapotrace_a-curve.Po + -rm -f mfluadir/potrace/$(DEPDIR)/libmfluapotrace_a-decompose.Po + -rm -f mfluadir/potrace/$(DEPDIR)/libmfluapotrace_a-luafunc.Po + -rm -f mfluadir/potrace/$(DEPDIR)/libmfluapotrace_a-potracelib.Po + -rm -f mfluadir/potrace/$(DEPDIR)/libmfluapotrace_a-trace.Po -rm -f mfluajitdir/$(DEPDIR)/mfluajit-mfluajitextra.Po -rm -f mfluajitdir/$(DEPDIR)/mfluajit_nowin-mfluajitextra.Po -rm -f mplibdir/$(DEPDIR)/libmputil_a-avl.Po @@ -20638,7 +20843,6 @@ maintainer-clean: maintainer-clean-recursive -rm -f ./$(DEPDIR)/libmfluajit_a-mfluajit-pool.Po -rm -f ./$(DEPDIR)/libmfluajit_a-mfluajit0.Po -rm -f ./$(DEPDIR)/libmfluajit_a-mfluajitini.Po - -rm -f ./$(DEPDIR)/libmfluajitotfcc_a-libmfluajitotfcc.Po -rm -f ./$(DEPDIR)/libmplibbackends_a-pngout.Po -rm -f ./$(DEPDIR)/libmplibbackends_a-svgout.Po -rm -f ./$(DEPDIR)/libmplibcore_a-mp.Po @@ -21116,6 +21320,8 @@ maintainer-clean: maintainer-clean-recursive -rm -f mfluadir/$(DEPDIR)/libmfluajit_a-mfluac.Po -rm -f mfluadir/$(DEPDIR)/mflua-mfluaextra.Po -rm -f mfluadir/$(DEPDIR)/mflua_nowin-mfluaextra.Po + -rm -f mfluadir/luapeg/$(DEPDIR)/libmfluajitlpeg_a-lpeg.Po + -rm -f mfluadir/luapeg/$(DEPDIR)/libmflualpeg_a-lpeg.Po -rm -f mfluadir/otfcc/dep/extern/$(DEPDIR)/libmfluaotfcc_a-json-builder.Po -rm -f mfluadir/otfcc/dep/extern/$(DEPDIR)/libmfluaotfcc_a-json.Po -rm -f mfluadir/otfcc/dep/extern/$(DEPDIR)/libmfluaotfcc_a-sds.Po @@ -21232,6 +21438,11 @@ maintainer-clean: maintainer-clean-recursive -rm -f mfluadir/otfcc/lib/vf/$(DEPDIR)/libmfluaotfcc_a-vq.Po -rm -f mfluadir/otfcc/src/$(DEPDIR)/libmfluaotfcc_a-luafunc.Po -rm -f mfluadir/otfcc/src/$(DEPDIR)/libmfluaotfcc_a-otfccdll.Po + -rm -f mfluadir/potrace/$(DEPDIR)/libmfluapotrace_a-curve.Po + -rm -f mfluadir/potrace/$(DEPDIR)/libmfluapotrace_a-decompose.Po + -rm -f mfluadir/potrace/$(DEPDIR)/libmfluapotrace_a-luafunc.Po + -rm -f mfluadir/potrace/$(DEPDIR)/libmfluapotrace_a-potracelib.Po + -rm -f mfluadir/potrace/$(DEPDIR)/libmfluapotrace_a-trace.Po -rm -f mfluajitdir/$(DEPDIR)/mfluajit-mfluajitextra.Po -rm -f mfluajitdir/$(DEPDIR)/mfluajit_nowin-mfluajitextra.Po -rm -f mplibdir/$(DEPDIR)/libmputil_a-avl.Po @@ -21688,9 +21899,9 @@ mflua-pool.c: mflua.pool mfluad.h $(makecpool_stamp) # Tangling MFLua mflua.p mflua.pool: mflua-tangle - $(texmf_tangle) mflua mflua + @$(texmf_tangle) mflua mflua mflua-tangle: tangle$(EXEEXT) mflua.web mflua.ch tangle-sh - $(texmf_tangle) mflua mflua + @$(texmf_tangle) mflua mflua # Extract mflua version $(srcdir)/mfluadir/mflua_version.h: @MAINTAINER_MODE_TRUE@ mfluadir/mf-lua.ch @@ -21712,18 +21923,18 @@ mfluatrap.diffs: mflua$(EXEEXT) gftype$(EXEEXT) tftopl$(EXEEXT) mfluatrap-clean: rm -rf mfluatrapdir -# (end of mflua.am) - #libmfluaotfcc_a_DEPENDENCIES = $(ZLIB_DEPEND) -#libmfluajitotfcc_a_DEPENDENCIES = $(ZLIB_DEPEND) $(libmfluaotfcc_a_OBJECTS): $(LUA_DEPEND) -$(libmfluajitotfcc_a_OBJECTS): $(LUAJIT_DEPEND) #EXTRA_DIST += #EXTRA_DIST += +$(libmfluapotrace_a_OBJECTS): $(LUA_DEPEND) + +$(libmflualpeg_a_OBJECTS): $(LUA_DEPEND) + .PHONY: install-mfluajit-links uninstall-mfluajit-links @WIN32_TRUE@install-mfluajit-links: call_mfluajit$(EXEEXT) @MFLUAJITN_FALSE@@WIN32_TRUE@ $(INSTALL_PROGRAM) call_mfluajit$(EXEEXT) $(DESTDIR)$(bindir)/mfluajit-nowin$(EXEEXT) @@ -21746,9 +21957,9 @@ mfluajit-pool.c: mfluajit.pool mfluajitd.h $(makecpool_stamp) # Tangling MFLuaJIT mfluajit.p mfluajit.pool: mfluajit-tangle - $(texmf_tangle) mfluajit mfluajit + @$(texmf_tangle) mfluajit mfluajit mfluajit-tangle: tangle$(EXEEXT) mfluajit.web mfluajit.ch tangle-sh - $(texmf_tangle) mfluajit mfluajit + @$(texmf_tangle) mfluajit mfluajit # Generate mfluajit.web mfluajit.web: tie$(EXEEXT) $(mfluajit_web_srcs) @@ -21765,7 +21976,7 @@ mfluajittrap.diffs: mfluajit$(EXEEXT) gftype$(EXEEXT) tftopl$(EXEEXT) mfluajittrap-clean: rm -rf mfluajittrapdir -# (end of mfluajit.am) +$(libmfluajitlpeg_a_OBJECTS): $(LUA_DEPEND) .PHONY: install-mpost-links uninstall-mpost-links @WIN32_TRUE@install-mpost-links: call_mpost$(EXEEXT) diff --git a/Build/source/texk/web2c/mfluadir/ChangeLog b/Build/source/texk/web2c/mfluadir/ChangeLog index 09765823e1e..50a1fc69c7a 100644 --- a/Build/source/texk/web2c/mfluadir/ChangeLog +++ b/Build/source/texk/web2c/mfluadir/ChangeLog @@ -1,6 +1,6 @@ -2022-01-10 Karl Berry - - * am/mflua.am: do not silence tangle-sh. +2021-01-18 Luigi Scarso + + * Embedding of potrace and lpeg. 2021-03-15 Luigi Scarso diff --git a/Build/source/texk/web2c/mfluadir/am/mflua.am b/Build/source/texk/web2c/mfluadir/am/mflua.am index 850a9746f4c..f10ed4204fa 100644 --- a/Build/source/texk/web2c/mfluadir/am/mflua.am +++ b/Build/source/texk/web2c/mfluadir/am/mflua.am @@ -1,7 +1,6 @@ -## $Id$ ## texk/web2c/mfluadir/am/mflua.am: Makefile fragment for MFLua. ## -## Copyright 2016-2022 Karl Berry +## Copyright 2016 Karl Berry ## Copyright 2015 Peter Breitenlohner ## You may freely use, modify and/or distribute this file. @@ -43,11 +42,11 @@ endif WIN32 dist_mflua_SOURCES = mfluadir/mfluaextra.c mfluadir/mfluaextra.h mfluadir/mflua_version.h mflua_CPPFLAGS = $(AM_CPPFLAGS) $(X_CFLAGS) $(LUA_INCLUDES) -mflua_LDADD = libmflua.a libmfluaotfcc.a $(LDADD) $(windowlib) $(mf_x_libs) $(LUA_LIBS) +mflua_LDADD = libmflua.a libmfluaotfcc.a libmfluapotrace.a libmflualpeg.a $(LDADD) $(windowlib) $(mf_x_libs) $(LUA_LIBS) mflua_LDFLAGS = -export-dynamic nodist_mflua_nowin_SOURCES = $(dist_mflua_SOURCES) mflua_nowin_CPPFLAGS = $(mflua_CPPFLAGS) -DMFNOWIN $(LUA_INCLUDES) -mflua_nowin_LDADD = libmflua.a libmfluaotfcc.a $(LDADD) $(windowlib) $(LUA_LIBS) +mflua_nowin_LDADD = libmflua.a libmfluaotfcc.a libmfluapotrace.a libmflualpeg.a $(LDADD) $(windowlib) $(LUA_LIBS) mflua_nowin_LDFLAGS = -export-dynamic # We must create mfluad.h and mfluadir/mflua_version.h before compiling mfluaextra.c. @@ -56,7 +55,7 @@ $(mflua_OBJECTS) $(mflua_nowin_OBJECTS): mfluad.h mfluadir/mflua_version.h ## mflua and mflua-nowin compile mfluaextra.c with different CPPFLAGS. ## Automake, however, does not support CPPFLAGS for individual source files. ## To avoid compiling everything twice, the common objects are in a library. -EXTRA_LIBRARIES += libmflua.a libmfluaotfcc.a +EXTRA_LIBRARIES += libmflua.a libmfluaotfcc.a libmfluapotrace.a libmflualpeg.a # MFLua C sources mflua_c_h = mfluaini.c mflua0.c mfluacoerce.h mfluad.h @@ -77,9 +76,9 @@ mflua-pool.c: mflua.pool mfluad.h $(makecpool_stamp) # Tangling MFLua mflua.p mflua.pool: mflua-tangle - $(texmf_tangle) mflua mflua + @$(texmf_tangle) mflua mflua mflua-tangle: tangle$(EXEEXT) mflua.web mflua.ch tangle-sh - $(texmf_tangle) mflua mflua + @$(texmf_tangle) mflua mflua # Extract mflua version $(srcdir)/mfluadir/mflua_version.h: @MAINTAINER_MODE_TRUE@ mfluadir/mf-lua.ch @@ -137,5 +136,3 @@ EXTRA_DIST += \ mfluadir/mfluatrap/mflua_ttx_backend.lua \ mfluadir/mfluatrap/texmf.cnf \ mfluadir/mfluatrap/mfluatrap.diffs - -# (end of mflua.am) diff --git a/Build/source/texk/web2c/mfluadir/am/mflualpeg.am b/Build/source/texk/web2c/mfluadir/am/mflualpeg.am new file mode 100644 index 00000000000..5e2ce30c268 --- /dev/null +++ b/Build/source/texk/web2c/mfluadir/am/mflualpeg.am @@ -0,0 +1,25 @@ +## texk/web2c/mfluadir/am/mflualpeg.am: Makefile fragment for libmflualpeg. +## +## Copyright (C) 2022 Luigi Scarso +## You may freely use, modify and/or distribute this file. + +## mflualpeg +## +EXTRA_LIBRARIES += libmflualpeg.a + +$(libmflualpeg_a_OBJECTS): $(LUA_DEPEND) + +libmflualpeg_a_CPPFLAGS = \ + -I$(top_srcdir)/mfluadir/luapeg \ + $(LUA_INCLUDES) + + +libmflualpeg_a_CFLAGS = # $(WARNING_CFLAGS) + + +libmflualpeg_a_SOURCES = \ + mfluadir/luapeg/lpeg.c \ + mfluadir/luapeg/lpeg.h + + + diff --git a/Build/source/texk/web2c/mfluadir/am/mfluaotfcc.am b/Build/source/texk/web2c/mfluadir/am/mfluaotfcc.am index 04785f1ef74..0f2da82a5ca 100644 --- a/Build/source/texk/web2c/mfluadir/am/mfluaotfcc.am +++ b/Build/source/texk/web2c/mfluadir/am/mfluaotfcc.am @@ -5,35 +5,24 @@ ## mfluaotfcc ## -EXTRA_LIBRARIES += libmfluaotfcc.a libmfluajitotfcc.a +EXTRA_LIBRARIES += libmfluaotfcc.a #libmfluaotfcc_a_DEPENDENCIES = $(ZLIB_DEPEND) -#libmfluajitotfcc_a_DEPENDENCIES = $(ZLIB_DEPEND) $(libmfluaotfcc_a_OBJECTS): $(LUA_DEPEND) -$(libmfluajitotfcc_a_OBJECTS): $(LUAJIT_DEPEND) libmfluaotfcc_a_CPPFLAGS = \ -std=c99 -D_CARYLL_USE_PRE_SERIALIZED -DMAIN_VER=0 -DSECONDARY_VER=10 -DPATCH_VER=4 \ -I$(top_srcdir)/mfluadir/otfcc/include \ -I$(top_srcdir)/mfluadir/otfcc/include/dep \ - -I$(top_srcdir)/mfluadir/otfcc/lib \ - $(LUA_INCLUDES) + -I$(top_srcdir)/mfluadir/otfcc/lib +## $(LUA_INCLUDES) -libmfluajitotfcc_a_CPPFLAGS = \ - -std=c99 -D_CARYLL_USE_PRE_SERIALIZED -DMAIN_VER=0 -DSECONDARY_VER=10 -DPATCH_VER=4 \ - -DJIT \ - -I$(top_srcdir)/mfluadir/otfcc/include \ - -I$(top_srcdir)/mfluadir/otfcc/include/dep \ - -I$(top_srcdir)/mfluadir/otfcc/lib \ - $(LUAJIT_INCLUDES) libmfluaotfcc_a_CFLAGS = # $(WARNING_CFLAGS) -libmfluajitotfcc_a_CFLAGS = # $(WARNING_CFLAGS) #nodist_libmfluaotfcc_a_SOURCES = $(libmfluaotfcc_sources) -#nodist_libmfluajitotfcc_a_SOURCES = $(libmfluaotfcc_sources) libmfluaotfcc_a_SOURCES = \ mfluadir/otfcc/dep/extern/sdsalloc.h \ diff --git a/Build/source/texk/web2c/mfluadir/am/mfluapotrace.am b/Build/source/texk/web2c/mfluadir/am/mfluapotrace.am new file mode 100644 index 00000000000..7449a1db253 --- /dev/null +++ b/Build/source/texk/web2c/mfluadir/am/mfluapotrace.am @@ -0,0 +1,39 @@ +## texk/web2c/luatexdir/am/mfluapotrace.am: Makefile fragment for libmfluapotrace. +## +## Copyright (C) 2022 Luigi Scarso +## You may freely use, modify and/or distribute this file. + +## mfluapotrace +## +EXTRA_LIBRARIES += libmfluapotrace.a + +$(libmfluapotrace_a_OBJECTS): $(LUA_DEPEND) + +libmfluapotrace_a_CPPFLAGS = \ + -I$(top_srcdir)/mfluadir/potrace +## $(LUA_INCLUDES) + + + +libmfluapotrace_a_CFLAGS = # $(WARNING_CFLAGS) + +#nodist_libmfluapotrace_a_SOURCES = $(libmfluapotrace_sources) + +libmfluapotrace_a_SOURCES = \ + mfluadir/potrace/auxiliary.h \ + mfluadir/potrace/bitmap.h \ + mfluadir/potrace/config.h \ + mfluadir/potrace/curve.c \ + mfluadir/potrace/curve.h \ + mfluadir/potrace/decompose.c \ + mfluadir/potrace/decompose.h \ + mfluadir/potrace/lists.h \ + mfluadir/potrace/luafunc.c \ + mfluadir/potrace/luafunc.h \ + mfluadir/potrace/potracelib.c \ + mfluadir/potrace/potracelib.h \ + mfluadir/potrace/progress.h \ + mfluadir/potrace/trace.c \ + mfluadir/potrace/trace.h + + diff --git a/Build/source/texk/web2c/mfluadir/luapeg/lpeg.c b/Build/source/texk/web2c/mfluadir/luapeg/lpeg.c new file mode 100644 index 00000000000..e9747a22593 --- /dev/null +++ b/Build/source/texk/web2c/mfluadir/luapeg/lpeg.c @@ -0,0 +1,3507 @@ +#include "lpeg.h" + +/* +** $Id: lpprint.c,v 1.10 2016/09/13 16:06:03 roberto Exp $ +** Copyright 2007, Lua.org & PUC-Rio (see 'lpeg.html' for license) +*/ + +/* #include */ +/* #include */ +/* #include */ + + +/* #include "lptypes.h" */ +/* #include "lpprint.h" */ +/* #include "lpcode.h" */ + + +#if defined(LPEG_DEBUG) + +/* +** {====================================================== +** Printing patterns (for debugging) +** ======================================================= +*/ + + +void printcharset (const byte *st) { + int i; + printf("["); + for (i = 0; i <= UCHAR_MAX; i++) { + int first = i; + while (testchar(st, i) && i <= UCHAR_MAX) i++; + if (i - 1 == first) /* unary range? */ + printf("(%02x)", first); + else if (i - 1 > first) /* non-empty range? */ + printf("(%02x-%02x)", first, i - 1); + } + printf("]"); +} + + +static const char *capkind (int kind) { + const char *const modes[] = { + "close", "position", "constant", "backref", + "argument", "simple", "table", "function", + "query", "string", "num", "substitution", "fold", + "runtime", "group"}; + return modes[kind]; +} + + +static void printjmp (const Instruction *op, const Instruction *p) { + printf("-> %d", (int)(p + (p + 1)->offset - op)); +} + + +void printinst (const Instruction *op, const Instruction *p) { + const char *const names[] = { + "any", "char", "set", + "testany", "testchar", "testset", + "span", "behind", + "ret", "end", + "choice", "jmp", "call", "open_call", + "commit", "partial_commit", "back_commit", "failtwice", "fail", "giveup", + "fullcapture", "opencapture", "closecapture", "closeruntime" + }; + printf("%02ld: %s ", (long)(p - op), names[p->i.code]); + switch ((Opcode)p->i.code) { + case IChar: { + printf("'%c'", p->i.aux); + break; + } + case ITestChar: { + printf("'%c'", p->i.aux); printjmp(op, p); + break; + } + case IFullCapture: { + printf("%s (size = %d) (idx = %d)", + capkind(getkind(p)), getoff(p), p->i.key); + break; + } + case IOpenCapture: { + printf("%s (idx = %d)", capkind(getkind(p)), p->i.key); + break; + } + case ISet: { + printcharset((p+1)->buff); + break; + } + case ITestSet: { + printcharset((p+2)->buff); printjmp(op, p); + break; + } + case ISpan: { + printcharset((p+1)->buff); + break; + } + case IOpenCall: { + printf("-> %d", (p + 1)->offset); + break; + } + case IBehind: { + printf("%d", p->i.aux); + break; + } + case IJmp: case ICall: case ICommit: case IChoice: + case IPartialCommit: case IBackCommit: case ITestAny: { + printjmp(op, p); + break; + } + default: break; + } + printf("\n"); +} + + +void printpatt (Instruction *p, int n) { + Instruction *op = p; + while (p < op + n) { + printinst(op, p); + p += sizei(p); + } +} + + +#if defined(LPEG_DEBUG) +static void printcap (Capture *cap) { + printf("%s (idx: %d - size: %d) -> %p\n", + capkind(cap->kind), cap->idx, cap->siz, cap->s); +} + + +void printcaplist (Capture *cap, Capture *limit) { + printf(">======\n"); + for (; cap->s && (limit == NULL || cap < limit); cap++) + printcap(cap); + printf("=======\n"); +} +#endif + +/* }====================================================== */ + + +/* +** {====================================================== +** Printing trees (for debugging) +** ======================================================= +*/ + +static const char *tagnames[] = { + "char", "set", "any", + "true", "false", + "rep", + "seq", "choice", + "not", "and", + "call", "opencall", "rule", "grammar", + "behind", + "capture", "run-time" +}; + + +void printtree (TTree *tree, int ident) { + int i; + for (i = 0; i < ident; i++) printf(" "); + printf("%s", tagnames[tree->tag]); + switch (tree->tag) { + case TChar: { + int c = tree->u.n; + if (isprint(c)) + printf(" '%c'\n", c); + else + printf(" (%02X)\n", c); + break; + } + case TSet: { + printcharset(treebuffer(tree)); + printf("\n"); + break; + } + case TOpenCall: case TCall: { + assert(sib2(tree)->tag == TRule); + printf(" key: %d (rule: %d)\n", tree->key, sib2(tree)->cap); + break; + } + case TBehind: { + printf(" %d\n", tree->u.n); + printtree(sib1(tree), ident + 2); + break; + } + case TCapture: { + printf(" kind: '%s' key: %d\n", capkind(tree->cap), tree->key); + printtree(sib1(tree), ident + 2); + break; + } + case TRule: { + printf(" n: %d key: %d\n", tree->cap, tree->key); + printtree(sib1(tree), ident + 2); + break; /* do not print next rule as a sibling */ + } + case TGrammar: { + TTree *rule = sib1(tree); + printf(" %d\n", tree->u.n); /* number of rules */ + for (i = 0; i < tree->u.n; i++) { + printtree(rule, ident + 2); + rule = sib2(rule); + } + assert(rule->tag == TTrue); /* sentinel */ + break; + } + default: { + int sibs = numsiblings[tree->tag]; + printf("\n"); + if (sibs >= 1) { + printtree(sib1(tree), ident + 2); + if (sibs >= 2) + printtree(sib2(tree), ident + 2); + } + break; + } + } +} + + +void printktable (lua_State *L, int idx) { + int n, i; + lua_getuservalue(L, idx); + if (lua_isnil(L, -1)) /* no ktable? */ + return; + n = lua_rawlen(L, -1); + printf("["); + for (i = 1; i <= n; i++) { + printf("%d = ", i); + lua_rawgeti(L, -1, i); + if (lua_isstring(L, -1)) + printf("%s ", lua_tostring(L, -1)); + else + printf("%s ", lua_typename(L, lua_type(L, -1))); + lua_pop(L, 1); + } + printf("]\n"); + /* leave ktable at the stack */ +} + +/* }====================================================== */ + +#endif +/* +** $Id: lpvm.c,v 1.9 2016/06/03 20:11:18 roberto Exp $ +** Copyright 2007, Lua.org & PUC-Rio (see 'lpeg.html' for license) +*/ + +/* #include */ +/* #include */ + + +/* #include "lua.h" */ +/* #include "lauxlib.h" */ + +/* #include "lpcap.h" */ +/* #include "lptypes.h" */ +/* #include "lpvm.h" */ +/* #include "lpprint.h" */ + + +/* initial size for call/backtrack stack */ +#if !defined(INITBACK) +#define INITBACK MAXBACK +#endif + + +#define getoffset(p) (((p) + 1)->offset) + +static const Instruction giveup = {{IGiveup, 0, 0}}; + + +/* +** {====================================================== +** Virtual Machine +** ======================================================= +*/ + + +typedef struct Stack { + const char *s; /* saved position (or NULL for calls) */ + const Instruction *p; /* next instruction */ + int caplevel; +} Stack; + + +#define getstackbase(L, ptop) ((Stack *)lua_touserdata(L, stackidx(ptop))) + + +/* +** Make the size of the array of captures 'cap' twice as large as needed +** (which is 'captop'). ('n' is the number of new elements.) +*/ +static Capture *doublecap (lua_State *L, Capture *cap, int captop, + int n, int ptop) { + Capture *newc; + if (captop >= INT_MAX/((int)sizeof(Capture) * 2)) + luaL_error(L, "too many captures"); + newc = (Capture *)lua_newuserdata(L, captop * 2 * sizeof(Capture)); + memcpy(newc, cap, (captop - n) * sizeof(Capture)); + lua_replace(L, caplistidx(ptop)); + return newc; +} + + +/* +** Double the size of the stack +*/ +static Stack *doublestack (lua_State *L, Stack **stacklimit, int ptop) { + Stack *stack = getstackbase(L, ptop); + Stack *newstack; + int n = *stacklimit - stack; /* current stack size */ + int max, newn; + lua_getfield(L, LUA_REGISTRYINDEX, MAXSTACKIDX); + max = lua_tointeger(L, -1); /* maximum allowed size */ + lua_pop(L, 1); + if (n >= max) /* already at maximum size? */ + luaL_error(L, "backtrack stack overflow (current limit is %d)", max); + newn = 2 * n; /* new size */ + if (newn > max) newn = max; + newstack = (Stack *)lua_newuserdata(L, newn * sizeof(Stack)); + memcpy(newstack, stack, n * sizeof(Stack)); + lua_replace(L, stackidx(ptop)); + *stacklimit = newstack + newn; + return newstack + n; /* return next position */ +} + + +/* +** Interpret the result of a dynamic capture: false -> fail; +** true -> keep current position; number -> next position. +** Return new subject position. 'fr' is stack index where +** is the result; 'curr' is current subject position; 'limit' +** is subject's size. +*/ +static int resdyncaptures (lua_State *L, int fr, int curr, int limit) { + lua_Integer res; + if (!lua_toboolean(L, fr)) { /* false value? */ + lua_settop(L, fr - 1); /* remove results */ + return -1; /* and fail */ + } + else if (lua_isboolean(L, fr)) /* true? */ + res = curr; /* keep current position */ + else { + res = lua_tointeger(L, fr) - 1; /* new position */ + if (res < curr || res > limit) + luaL_error(L, "invalid position returned by match-time capture"); + } + lua_remove(L, fr); /* remove first result (offset) */ + return res; +} + + +/* +** Add capture values returned by a dynamic capture to the capture list +** 'base', nested inside a group capture. 'fd' indexes the first capture +** value, 'n' is the number of values (at least 1). +*/ +static void adddyncaptures (const char *s, Capture *base, int n, int fd) { + int i; + base[0].kind = Cgroup; /* create group capture */ + base[0].siz = 0; + base[0].idx = 0; /* make it an anonymous group */ + for (i = 1; i <= n; i++) { /* add runtime captures */ + base[i].kind = Cruntime; + base[i].siz = 1; /* mark it as closed */ + base[i].idx = fd + i - 1; /* stack index of capture value */ + base[i].s = s; + } + base[i].kind = Cclose; /* close group */ + base[i].siz = 1; + base[i].s = s; +} + + +/* +** Remove dynamic captures from the Lua stack (called in case of failure) +*/ +static int removedyncap (lua_State *L, Capture *capture, + int level, int last) { + int id = finddyncap(capture + level, capture + last); /* index of 1st cap. */ + int top = lua_gettop(L); + if (id == 0) return 0; /* no dynamic captures? */ + lua_settop(L, id - 1); /* remove captures */ + return top - id + 1; /* number of values removed */ +} + + +/* +** Opcode interpreter luajit aarch64 +*/ +/* luajit aarch64 */ +/* https://github.com/LuaJIT/LuaJIT/pull/230#issuecomment-260205661 */ +/* We play safe on arm64 assuming a virtual address bits VA_BITS >47,*/ +/* even if a Linux kernel can be configured with VA_BITS < 47 */ +/* and lightuserdata is ok then. Anyway, */ +/* replacing lightuserdata with full userdata seems ok wrt performance. */ +/* No need to free a userdata, it's GC */ +const char *match (lua_State *L, const char *o, const char *s, const char *e, + Instruction *op, Capture *capture, int ptop) { +#if defined(__aarch64__) && defined(MFLuaJIT) + Stack *stackbase = (Stack*)lua_newuserdata(L,sizeof(Stack)*INITBACK); + Stack *stacklimit = stackbase + INITBACK; + Stack *stack = stackbase; /* point to first empty slot in stack */ + int capsize = INITCAPSIZE; + int captop = 0; /* point to first empty slot in captures */ + int ndyncap = 0; /* number of dynamic captures (in Lua stack) */ + const Instruction *p = op; /* current instruction */ + stack->p = &giveup; stack->s = s; stack->caplevel = 0; stack++; +#else + Stack stackbase[INITBACK]; + Stack *stacklimit = stackbase + INITBACK; + Stack *stack = stackbase; /* point to first empty slot in stack */ + int capsize = INITCAPSIZE; + int captop = 0; /* point to first empty slot in captures */ + int ndyncap = 0; /* number of dynamic captures (in Lua stack) */ + const Instruction *p = op; /* current instruction */ + stack->p = &giveup; stack->s = s; stack->caplevel = 0; stack++; + lua_pushlightuserdata(L, stackbase); +#endif + for (;;) { +#if defined(DEBUG) + printf("-------------------------------------\n"); + printcaplist(capture, capture + captop); + printf("s: |%s| stck:%d, dyncaps:%d, caps:%d ", + s, (int)(stack - getstackbase(L, ptop)), ndyncap, captop); + printinst(op, p); +#endif + assert(stackidx(ptop) + ndyncap == lua_gettop(L) && ndyncap <= captop); + switch ((Opcode)p->i.code) { + case IEnd: { + assert(stack == getstackbase(L, ptop) + 1); + capture[captop].kind = Cclose; + capture[captop].s = NULL; + return s; + } + case IGiveup: { + assert(stack == getstackbase(L, ptop)); + return NULL; + } + case IRet: { + assert(stack > getstackbase(L, ptop) && (stack - 1)->s == NULL); + p = (--stack)->p; + continue; + } + case IAny: { + if (s < e) { p++; s++; } + else goto fail; + continue; + } + case ITestAny: { + if (s < e) p += 2; + else p += getoffset(p); + continue; + } + case IChar: { + if ((byte)*s == p->i.aux && s < e) { p++; s++; } + else goto fail; + continue; + } + case ITestChar: { + if ((byte)*s == p->i.aux && s < e) p += 2; + else p += getoffset(p); + continue; + } + case ISet: { + int c = (byte)*s; + if (testchar((p+1)->buff, c) && s < e) + { p += CHARSETINSTSIZE; s++; } + else goto fail; + continue; + } + case ITestSet: { + int c = (byte)*s; + if (testchar((p + 2)->buff, c) && s < e) + p += 1 + CHARSETINSTSIZE; + else p += getoffset(p); + continue; + } + case IBehind: { + int n = p->i.aux; + if (n > s - o) goto fail; + s -= n; p++; + continue; + } + case ISpan: { + for (; s < e; s++) { + int c = (byte)*s; + if (!testchar((p+1)->buff, c)) break; + } + p += CHARSETINSTSIZE; + continue; + } + case IJmp: { + p += getoffset(p); + continue; + } + case IChoice: { + if (stack == stacklimit) + stack = doublestack(L, &stacklimit, ptop); + stack->p = p + getoffset(p); + stack->s = s; + stack->caplevel = captop; + stack++; + p += 2; + continue; + } + case ICall: { + if (stack == stacklimit) + stack = doublestack(L, &stacklimit, ptop); + stack->s = NULL; + stack->p = p + 2; /* save return address */ + stack++; + p += getoffset(p); + continue; + } + case ICommit: { + assert(stack > getstackbase(L, ptop) && (stack - 1)->s != NULL); + stack--; + p += getoffset(p); + continue; + } + case IPartialCommit: { + assert(stack > getstackbase(L, ptop) && (stack - 1)->s != NULL); + (stack - 1)->s = s; + (stack - 1)->caplevel = captop; + p += getoffset(p); + continue; + } + case IBackCommit: { + assert(stack > getstackbase(L, ptop) && (stack - 1)->s != NULL); + s = (--stack)->s; + captop = stack->caplevel; + p += getoffset(p); + continue; + } + case IFailTwice: + assert(stack > getstackbase(L, ptop)); + stack--; + /* go through */ + case IFail: + fail: { /* pattern failed: try to backtrack */ + do { /* remove pending calls */ + assert(stack > getstackbase(L, ptop)); + s = (--stack)->s; + } while (s == NULL); + if (ndyncap > 0) /* is there matchtime captures? */ + ndyncap -= removedyncap(L, capture, stack->caplevel, captop); + captop = stack->caplevel; + p = stack->p; +#if defined(DEBUG) + printf("**FAIL**\n"); +#endif + continue; + } + case ICloseRunTime: { + CapState cs; + int rem, res, n; + int fr = lua_gettop(L) + 1; /* stack index of first result */ + cs.s = o; cs.L = L; cs.ocap = capture; cs.ptop = ptop; + n = runtimecap(&cs, capture + captop, s, &rem); /* call function */ + captop -= n; /* remove nested captures */ + ndyncap -= rem; /* update number of dynamic captures */ + fr -= rem; /* 'rem' items were popped from Lua stack */ + res = resdyncaptures(L, fr, s - o, e - o); /* get result */ + if (res == -1) /* fail? */ + goto fail; + s = o + res; /* else update current position */ + n = lua_gettop(L) - fr + 1; /* number of new captures */ + ndyncap += n; /* update number of dynamic captures */ + if (n > 0) { /* any new capture? */ + if (fr + n >= SHRT_MAX) + luaL_error(L, "too many results in match-time capture"); + if ((captop += n + 2) >= capsize) { + capture = doublecap(L, capture, captop, n + 2, ptop); + capsize = 2 * captop; + } + /* add new captures to 'capture' list */ + adddyncaptures(s, capture + captop - n - 2, n, fr); + } + p++; + continue; + } + case ICloseCapture: { + const char *s1 = s; + assert(captop > 0); + /* if possible, turn capture into a full capture */ + if (capture[captop - 1].siz == 0 && + s1 - capture[captop - 1].s < UCHAR_MAX) { + capture[captop - 1].siz = s1 - capture[captop - 1].s + 1; + p++; + continue; + } + else { + capture[captop].siz = 1; /* mark entry as closed */ + capture[captop].s = s; + goto pushcapture; + } + } + case IOpenCapture: + capture[captop].siz = 0; /* mark entry as open */ + capture[captop].s = s; + goto pushcapture; + case IFullCapture: + capture[captop].siz = getoff(p) + 1; /* save capture size */ + capture[captop].s = s - getoff(p); + /* goto pushcapture; */ + pushcapture: { + capture[captop].idx = p->i.key; + capture[captop].kind = getkind(p); + if (++captop >= capsize) { + capture = doublecap(L, capture, captop, 0, ptop); + capsize = 2 * captop; + } + p++; + continue; + } + default: assert(0); return NULL; + } + } +} + +/* }====================================================== */ + + +/* +** $Id: lpcode.c,v 1.24 2016/09/15 17:46:13 roberto Exp $ +** Copyright 2007, Lua.org & PUC-Rio (see 'lpeg.html' for license) +*/ + +/* #include */ + + +/* #include "lua.h" */ +/* #include "lauxlib.h" */ + +/* #include "lptypes.h" */ +/* #include "lpcode.h" */ + + +/* signals a "no-instruction */ +#define NOINST -1 + + + +static const Charset fullset_ = + {{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}}; + +static const Charset *fullset = &fullset_; + +/* +** {====================================================== +** Analysis and some optimizations +** ======================================================= +*/ + +/* +** Check whether a charset is empty (returns IFail), singleton (IChar), +** full (IAny), or none of those (ISet). When singleton, '*c' returns +** which character it is. (When generic set, the set was the input, +** so there is no need to return it.) +*/ +static Opcode charsettype (const byte *cs, int *c) { + int count = 0; /* number of characters in the set */ + int i; + int candidate = -1; /* candidate position for the singleton char */ + for (i = 0; i < CHARSETSIZE; i++) { /* for each byte */ + int b = cs[i]; + if (b == 0) { /* is byte empty? */ + if (count > 1) /* was set neither empty nor singleton? */ + return ISet; /* neither full nor empty nor singleton */ + /* else set is still empty or singleton */ + } + else if (b == 0xFF) { /* is byte full? */ + if (count < (i * BITSPERCHAR)) /* was set not full? */ + return ISet; /* neither full nor empty nor singleton */ + else count += BITSPERCHAR; /* set is still full */ + } + else if ((b & (b - 1)) == 0) { /* has byte only one bit? */ + if (count > 0) /* was set not empty? */ + return ISet; /* neither full nor empty nor singleton */ + else { /* set has only one char till now; track it */ + count++; + candidate = i; + } + } + else return ISet; /* byte is neither empty, full, nor singleton */ + } + switch (count) { + case 0: return IFail; /* empty set */ + case 1: { /* singleton; find character bit inside byte */ + int b = cs[candidate]; + *c = candidate * BITSPERCHAR; + if ((b & 0xF0) != 0) { *c += 4; b >>= 4; } + if ((b & 0x0C) != 0) { *c += 2; b >>= 2; } + if ((b & 0x02) != 0) { *c += 1; } + return IChar; + } + default: { + assert(count == CHARSETSIZE * BITSPERCHAR); /* full set */ + return IAny; + } + } +} + + +/* +** A few basic operations on Charsets +*/ +static void cs_complement (Charset *cs) { + loopset(i, cs->cs[i] = ~cs->cs[i]); +} + +static int cs_equal (const byte *cs1, const byte *cs2) { + loopset(i, if (cs1[i] != cs2[i]) return 0); + return 1; +} + +static int cs_disjoint (const Charset *cs1, const Charset *cs2) { + loopset(i, if ((cs1->cs[i] & cs2->cs[i]) != 0) return 0;) + return 1; +} + + +/* +** If 'tree' is a 'char' pattern (TSet, TChar, TAny), convert it into a +** charset and return 1; else return 0. +*/ +int tocharset (TTree *tree, Charset *cs) { + switch (tree->tag) { + case TSet: { /* copy set */ + loopset(i, cs->cs[i] = treebuffer(tree)[i]); + return 1; + } + case TChar: { /* only one char */ + assert(0 <= tree->u.n && tree->u.n <= UCHAR_MAX); + loopset(i, cs->cs[i] = 0); /* erase all chars */ + setchar(cs->cs, tree->u.n); /* add that one */ + return 1; + } + case TAny: { + loopset(i, cs->cs[i] = 0xFF); /* add all characters to the set */ + return 1; + } + default: return 0; + } +} + + +/* +** Visit a TCall node taking care to stop recursion. If node not yet +** visited, return 'f(sib2(tree))', otherwise return 'def' (default +** value) +*/ +static int callrecursive (TTree *tree, int f (TTree *t), int def) { + int key = tree->key; + assert(tree->tag == TCall); + assert(sib2(tree)->tag == TRule); + if (key == 0) /* node already visited? */ + return def; /* return default value */ + else { /* first visit */ + int result; + tree->key = 0; /* mark call as already visited */ + result = f(sib2(tree)); /* go to called rule */ + tree->key = key; /* restore tree */ + return result; + } +} + + +/* +** Check whether a pattern tree has captures +*/ +int hascaptures (TTree *tree) { + tailcall: + switch (tree->tag) { + case TCapture: case TRunTime: + return 1; + case TCall: + return callrecursive(tree, hascaptures, 0); + case TRule: /* do not follow siblings */ + tree = sib1(tree); goto tailcall; + case TOpenCall: assert(0); + default: { + switch (numsiblings[tree->tag]) { + case 1: /* return hascaptures(sib1(tree)); */ + tree = sib1(tree); goto tailcall; + case 2: + if (hascaptures(sib1(tree))) + return 1; + /* else return hascaptures(sib2(tree)); */ + tree = sib2(tree); goto tailcall; + default: assert(numsiblings[tree->tag] == 0); return 0; + } + } + } +} + + +/* +** Checks how a pattern behaves regarding the empty string, +** in one of two different ways: +** A pattern is *nullable* if it can match without consuming any character; +** A pattern is *nofail* if it never fails for any string +** (including the empty string). +** The difference is only for predicates and run-time captures; +** for other patterns, the two properties are equivalent. +** (With predicates, &'a' is nullable but not nofail. Of course, +** nofail => nullable.) +** These functions are all convervative in the following way: +** p is nullable => nullable(p) +** nofail(p) => p cannot fail +** The function assumes that TOpenCall is not nullable; +** this will be checked again when the grammar is fixed. +** Run-time captures can do whatever they want, so the result +** is conservative. +*/ +int checkaux (TTree *tree, int pred) { + tailcall: + switch (tree->tag) { + case TChar: case TSet: case TAny: + case TFalse: case TOpenCall: + return 0; /* not nullable */ + case TRep: case TTrue: + return 1; /* no fail */ + case TNot: case TBehind: /* can match empty, but can fail */ + if (pred == PEnofail) return 0; + else return 1; /* PEnullable */ + case TAnd: /* can match empty; fail iff body does */ + if (pred == PEnullable) return 1; + /* else return checkaux(sib1(tree), pred); */ + tree = sib1(tree); goto tailcall; + case TRunTime: /* can fail; match empty iff body does */ + if (pred == PEnofail) return 0; + /* else return checkaux(sib1(tree), pred); */ + tree = sib1(tree); goto tailcall; + case TSeq: + if (!checkaux(sib1(tree), pred)) return 0; + /* else return checkaux(sib2(tree), pred); */ + tree = sib2(tree); goto tailcall; + case TChoice: + if (checkaux(sib2(tree), pred)) return 1; + /* else return checkaux(sib1(tree), pred); */ + tree = sib1(tree); goto tailcall; + case TCapture: case TGrammar: case TRule: + /* return checkaux(sib1(tree), pred); */ + tree = sib1(tree); goto tailcall; + case TCall: /* return checkaux(sib2(tree), pred); */ + tree = sib2(tree); goto tailcall; + default: assert(0); return 0; + } +} + + +/* +** number of characters to match a pattern (or -1 if variable) +*/ +int fixedlen (TTree *tree) { + int len = 0; /* to accumulate in tail calls */ + tailcall: + switch (tree->tag) { + case TChar: case TSet: case TAny: + return len + 1; + case TFalse: case TTrue: case TNot: case TAnd: case TBehind: + return len; + case TRep: case TRunTime: case TOpenCall: + return -1; + case TCapture: case TRule: case TGrammar: + /* return fixedlen(sib1(tree)); */ + tree = sib1(tree); goto tailcall; + case TCall: { + int n1 = callrecursive(tree, fixedlen, -1); + if (n1 < 0) + return -1; + else + return len + n1; + } + case TSeq: { + int n1 = fixedlen(sib1(tree)); + if (n1 < 0) + return -1; + /* else return fixedlen(sib2(tree)) + len; */ + len += n1; tree = sib2(tree); goto tailcall; + } + case TChoice: { + int n1 = fixedlen(sib1(tree)); + int n2 = fixedlen(sib2(tree)); + if (n1 != n2 || n1 < 0) + return -1; + else + return len + n1; + } + default: assert(0); return 0; + }; +} + + +/* +** Computes the 'first set' of a pattern. +** The result is a conservative aproximation: +** match p ax -> x (for some x) ==> a belongs to first(p) +** or +** a not in first(p) ==> match p ax -> fail (for all x) +** +** The set 'follow' is the first set of what follows the +** pattern (full set if nothing follows it). +** +** The function returns 0 when this resulting set can be used for +** test instructions that avoid the pattern altogether. +** A non-zero return can happen for two reasons: +** 1) match p '' -> '' ==> return has bit 1 set +** (tests cannot be used because they would always fail for an empty input); +** 2) there is a match-time capture ==> return has bit 2 set +** (optimizations should not bypass match-time captures). +*/ +static int getfirst (TTree *tree, const Charset *follow, Charset *firstset) { + tailcall: + switch (tree->tag) { + case TChar: case TSet: case TAny: { + tocharset(tree, firstset); + return 0; + } + case TTrue: { + loopset(i, firstset->cs[i] = follow->cs[i]); + return 1; /* accepts the empty string */ + } + case TFalse: { + loopset(i, firstset->cs[i] = 0); + return 0; + } + case TChoice: { + Charset csaux; + int e1 = getfirst(sib1(tree), follow, firstset); + int e2 = getfirst(sib2(tree), follow, &csaux); + loopset(i, firstset->cs[i] |= csaux.cs[i]); + return e1 | e2; + } + case TSeq: { + if (!nullable(sib1(tree))) { + /* when p1 is not nullable, p2 has nothing to contribute; + return getfirst(sib1(tree), fullset, firstset); */ + tree = sib1(tree); follow = fullset; goto tailcall; + } + else { /* FIRST(p1 p2, fl) = FIRST(p1, FIRST(p2, fl)) */ + Charset csaux; + int e2 = getfirst(sib2(tree), follow, &csaux); + int e1 = getfirst(sib1(tree), &csaux, firstset); + if (e1 == 0) return 0; /* 'e1' ensures that first can be used */ + else if ((e1 | e2) & 2) /* one of the children has a matchtime? */ + return 2; /* pattern has a matchtime capture */ + else return e2; /* else depends on 'e2' */ + } + } + case TRep: { + getfirst(sib1(tree), follow, firstset); + loopset(i, firstset->cs[i] |= follow->cs[i]); + return 1; /* accept the empty string */ + } + case TCapture: case TGrammar: case TRule: { + /* return getfirst(sib1(tree), follow, firstset); */ + tree = sib1(tree); goto tailcall; + } + case TRunTime: { /* function invalidates any follow info. */ + int e = getfirst(sib1(tree), fullset, firstset); + if (e) return 2; /* function is not "protected"? */ + else return 0; /* pattern inside capture ensures first can be used */ + } + case TCall: { + /* return getfirst(sib2(tree), follow, firstset); */ + tree = sib2(tree); goto tailcall; + } + case TAnd: { + int e = getfirst(sib1(tree), follow, firstset); + loopset(i, firstset->cs[i] &= follow->cs[i]); + return e; + } + case TNot: { + if (tocharset(sib1(tree), firstset)) { + cs_complement(firstset); + return 1; + } + /* else go through */ + } + case TBehind: { /* instruction gives no new information */ + /* call 'getfirst' only to check for math-time captures */ + int e = getfirst(sib1(tree), follow, firstset); + loopset(i, firstset->cs[i] = follow->cs[i]); /* uses follow */ + return e | 1; /* always can accept the empty string */ + } + default: assert(0); return 0; + } +} + + +/* +** If 'headfail(tree)' true, then 'tree' can fail only depending on the +** next character of the subject. +*/ +static int headfail (TTree *tree) { + tailcall: + switch (tree->tag) { + case TChar: case TSet: case TAny: case TFalse: + return 1; + case TTrue: case TRep: case TRunTime: case TNot: + case TBehind: + return 0; + case TCapture: case TGrammar: case TRule: case TAnd: + tree = sib1(tree); goto tailcall; /* return headfail(sib1(tree)); */ + case TCall: + tree = sib2(tree); goto tailcall; /* return headfail(sib2(tree)); */ + case TSeq: + if (!nofail(sib2(tree))) return 0; + /* else return headfail(sib1(tree)); */ + tree = sib1(tree); goto tailcall; + case TChoice: + if (!headfail(sib1(tree))) return 0; + /* else return headfail(sib2(tree)); */ + tree = sib2(tree); goto tailcall; + default: assert(0); return 0; + } +} + + +/* +** Check whether the code generation for the given tree can benefit +** from a follow set (to avoid computing the follow set when it is +** not needed) +*/ +static int needfollow (TTree *tree) { + tailcall: + switch (tree->tag) { + case TChar: case TSet: case TAny: + case TFalse: case TTrue: case TAnd: case TNot: + case TRunTime: case TGrammar: case TCall: case TBehind: + return 0; + case TChoice: case TRep: + return 1; + case TCapture: + tree = sib1(tree); goto tailcall; + case TSeq: + tree = sib2(tree); goto tailcall; + default: assert(0); return 0; + } +} + +/* }====================================================== */ + + + +/* +** {====================================================== +** Code generation +** ======================================================= +*/ + + +/* +** size of an instruction +*/ +int sizei (const Instruction *i) { + switch((Opcode)i->i.code) { + case ISet: case ISpan: return CHARSETINSTSIZE; + case ITestSet: return CHARSETINSTSIZE + 1; + case ITestChar: case ITestAny: case IChoice: case IJmp: case ICall: + case IOpenCall: case ICommit: case IPartialCommit: case IBackCommit: + return 2; + default: return 1; + } +} + + +/* +** state for the compiler +*/ +typedef struct CompileState { + Pattern *p; /* pattern being compiled */ + int ncode; /* next position in p->code to be filled */ + lua_State *L; +} CompileState; + + +/* +** code generation is recursive; 'opt' indicates that the code is being +** generated as the last thing inside an optional pattern (so, if that +** code is optional too, it can reuse the 'IChoice' already in place for +** the outer pattern). 'tt' points to a previous test protecting this +** code (or NOINST). 'fl' is the follow set of the pattern. +*/ +static void codegen (CompileState *compst, TTree *tree, int opt, int tt, + const Charset *fl); + + +void realloccode (lua_State *L, Pattern *p, int nsize) { + void *ud; + lua_Alloc f = lua_getallocf(L, &ud); + void *newblock = f(ud, p->code, p->codesize * sizeof(Instruction), + nsize * sizeof(Instruction)); + if (newblock == NULL && nsize > 0) + luaL_error(L, "not enough memory"); + p->code = (Instruction *)newblock; + p->codesize = nsize; +} + + +static int nextinstruction (CompileState *compst) { + int size = compst->p->codesize; + if (compst->ncode >= size) + realloccode(compst->L, compst->p, size * 2); + return compst->ncode++; +} + + +#define getinstr(cs,i) ((cs)->p->code[i]) + + +static int addinstruction (CompileState *compst, Opcode op, int aux) { + int i = nextinstruction(compst); + getinstr(compst, i).i.code = op; + getinstr(compst, i).i.aux = aux; + return i; +} + + +/* +** Add an instruction followed by space for an offset (to be set later) +*/ +static int addoffsetinst (CompileState *compst, Opcode op) { + int i = addinstruction(compst, op, 0); /* instruction */ + addinstruction(compst, (Opcode)0, 0); /* open space for offset */ + assert(op == ITestSet || sizei(&getinstr(compst, i)) == 2); + return i; +} + + +/* +** Set the offset of an instruction +*/ +static void setoffset (CompileState *compst, int instruction, int offset) { + getinstr(compst, instruction + 1).offset = offset; +} + + +/* +** Add a capture instruction: +** 'op' is the capture instruction; 'cap' the capture kind; +** 'key' the key into ktable; 'aux' is the optional capture offset +** +*/ +static int addinstcap (CompileState *compst, Opcode op, int cap, int key, + int aux) { + int i = addinstruction(compst, op, joinkindoff(cap, aux)); + getinstr(compst, i).i.key = key; + return i; +} + + +#define gethere(compst) ((compst)->ncode) + +#define target(code,i) ((i) + code[i + 1].offset) + + +/* +** Patch 'instruction' to jump to 'target' +*/ +static void jumptothere (CompileState *compst, int instruction, int target) { + if (instruction >= 0) + setoffset(compst, instruction, target - instruction); +} + + +/* +** Patch 'instruction' to jump to current position +*/ +static void jumptohere (CompileState *compst, int instruction) { + jumptothere(compst, instruction, gethere(compst)); +} + + +/* +** Code an IChar instruction, or IAny if there is an equivalent +** test dominating it +*/ +static void codechar (CompileState *compst, int c, int tt) { + if (tt >= 0 && getinstr(compst, tt).i.code == ITestChar && + getinstr(compst, tt).i.aux == c) + addinstruction(compst, IAny, 0); + else + addinstruction(compst, IChar, c); +} + + +/* +** Add a charset posfix to an instruction +*/ +static void addcharset (CompileState *compst, const byte *cs) { + int p = gethere(compst); + int i; + for (i = 0; i < (int)CHARSETINSTSIZE - 1; i++) + nextinstruction(compst); /* space for buffer */ + /* fill buffer with charset */ + loopset(j, getinstr(compst, p).buff[j] = cs[j]); +} + + +/* +** code a char set, optimizing unit sets for IChar, "complete" +** sets for IAny, and empty sets for IFail; also use an IAny +** when instruction is dominated by an equivalent test. +*/ +static void codecharset (CompileState *compst, const byte *cs, int tt) { + int c = 0; /* (=) to avoid warnings */ + Opcode op = charsettype(cs, &c); + switch (op) { + case IChar: codechar(compst, c, tt); break; + case ISet: { /* non-trivial set? */ + if (tt >= 0 && getinstr(compst, tt).i.code == ITestSet && + cs_equal(cs, getinstr(compst, tt + 2).buff)) + addinstruction(compst, IAny, 0); + else { + addinstruction(compst, ISet, 0); + addcharset(compst, cs); + } + break; + } + default: addinstruction(compst, op, c); break; + } +} + + +/* +** code a test set, optimizing unit sets for ITestChar, "complete" +** sets for ITestAny, and empty sets for IJmp (always fails). +** 'e' is true iff test should accept the empty string. (Test +** instructions in the current VM never accept the empty string.) +*/ +static int codetestset (CompileState *compst, Charset *cs, int e) { + if (e) return NOINST; /* no test */ + else { + int c = 0; + Opcode op = charsettype(cs->cs, &c); + switch (op) { + case IFail: return addoffsetinst(compst, IJmp); /* always jump */ + case IAny: return addoffsetinst(compst, ITestAny); + case IChar: { + int i = addoffsetinst(compst, ITestChar); + getinstr(compst, i).i.aux = c; + return i; + } + case ISet: { + int i = addoffsetinst(compst, ITestSet); + addcharset(compst, cs->cs); + return i; + } + default: assert(0); return 0; + } + } +} + + +/* +** Find the final destination of a sequence of jumps +*/ +static int finaltarget (Instruction *code, int i) { + while (code[i].i.code == IJmp) + i = target(code, i); + return i; +} + + +/* +** final label (after traversing any jumps) +*/ +static int finallabel (Instruction *code, int i) { + return finaltarget(code, target(code, i)); +} + + +/* +** == behind n;

(where n = fixedlen(p)) +*/ +static void codebehind (CompileState *compst, TTree *tree) { + if (tree->u.n > 0) + addinstruction(compst, IBehind, tree->u.n); + codegen(compst, sib1(tree), 0, NOINST, fullset); +} + + +/* +** Choice; optimizations: +** - when p1 is headfail or +** when first(p1) and first(p2) are disjoint, than +** a character not in first(p1) cannot go to p1, and a character +** in first(p1) cannot go to p2 (at it is not in first(p2)). +** (The optimization is not valid if p1 accepts the empty string, +** as then there is no character at all...) +** - when p2 is empty and opt is true; a IPartialCommit can reuse +** the Choice already active in the stack. +*/ +static void codechoice (CompileState *compst, TTree *p1, TTree *p2, int opt, + const Charset *fl) { + int emptyp2 = (p2->tag == TTrue); + Charset cs1, cs2; + int e1 = getfirst(p1, fullset, &cs1); + if (headfail(p1) || + (!e1 && (getfirst(p2, fl, &cs2), cs_disjoint(&cs1, &cs2)))) { + /* == test (fail(p1)) -> L1 ; p1 ; jmp L2; L1: p2; L2: */ + int test = codetestset(compst, &cs1, 0); + int jmp = NOINST; + codegen(compst, p1, 0, test, fl); + if (!emptyp2) + jmp = addoffsetinst(compst, IJmp); + jumptohere(compst, test); + codegen(compst, p2, opt, NOINST, fl); + jumptohere(compst, jmp); + } + else if (opt && emptyp2) { + /* p1? == IPartialCommit; p1 */ + jumptohere(compst, addoffsetinst(compst, IPartialCommit)); + codegen(compst, p1, 1, NOINST, fullset); + } + else { + /* == + test(first(p1)) -> L1; choice L1; ; commit L2; L1: ; L2: */ + int pcommit; + int test = codetestset(compst, &cs1, e1); + int pchoice = addoffsetinst(compst, IChoice); + codegen(compst, p1, emptyp2, test, fullset); + pcommit = addoffsetinst(compst, ICommit); + jumptohere(compst, pchoice); + jumptohere(compst, test); + codegen(compst, p2, opt, NOINST, fl); + jumptohere(compst, pcommit); + } +} + + +/* +** And predicate +** optimization: fixedlen(p) = n ==> <&p> ==

; behind n +** (valid only when 'p' has no captures) +*/ +static void codeand (CompileState *compst, TTree *tree, int tt) { + int n = fixedlen(tree); + if (n >= 0 && n <= MAXBEHIND && !hascaptures(tree)) { + codegen(compst, tree, 0, tt, fullset); + if (n > 0) + addinstruction(compst, IBehind, n); + } + else { /* default: Choice L1; p1; BackCommit L2; L1: Fail; L2: */ + int pcommit; + int pchoice = addoffsetinst(compst, IChoice); + codegen(compst, tree, 0, tt, fullset); + pcommit = addoffsetinst(compst, IBackCommit); + jumptohere(compst, pchoice); + addinstruction(compst, IFail, 0); + jumptohere(compst, pcommit); + } +} + + +/* +** Captures: if pattern has fixed (and not too big) length, and it +** has no nested captures, use a single IFullCapture instruction +** after the match; otherwise, enclose the pattern with OpenCapture - +** CloseCapture. +*/ +static void codecapture (CompileState *compst, TTree *tree, int tt, + const Charset *fl) { + int len = fixedlen(sib1(tree)); + if (len >= 0 && len <= MAXOFF && !hascaptures(sib1(tree))) { + codegen(compst, sib1(tree), 0, tt, fl); + addinstcap(compst, IFullCapture, tree->cap, tree->key, len); + } + else { + addinstcap(compst, IOpenCapture, tree->cap, tree->key, 0); + codegen(compst, sib1(tree), 0, tt, fl); + addinstcap(compst, ICloseCapture, Cclose, 0, 0); + } +} + + +static void coderuntime (CompileState *compst, TTree *tree, int tt) { + addinstcap(compst, IOpenCapture, Cgroup, tree->key, 0); + codegen(compst, sib1(tree), 0, tt, fullset); + addinstcap(compst, ICloseRunTime, Cclose, 0, 0); +} + + +/* +** Repetion; optimizations: +** When pattern is a charset, can use special instruction ISpan. +** When pattern is head fail, or if it starts with characters that +** are disjoint from what follows the repetions, a simple test +** is enough (a fail inside the repetition would backtrack to fail +** again in the following pattern, so there is no need for a choice). +** When 'opt' is true, the repetion can reuse the Choice already +** active in the stack. +*/ +static void coderep (CompileState *compst, TTree *tree, int opt, + const Charset *fl) { + Charset st; + if (tocharset(tree, &st)) { + addinstruction(compst, ISpan, 0); + addcharset(compst, st.cs); + } + else { + int e1 = getfirst(tree, fullset, &st); + if (headfail(tree) || (!e1 && cs_disjoint(&st, fl))) { + /* L1: test (fail(p1)) -> L2;

; jmp L1; L2: */ + int jmp; + int test = codetestset(compst, &st, 0); + codegen(compst, tree, 0, test, fullset); + jmp = addoffsetinst(compst, IJmp); + jumptohere(compst, test); + jumptothere(compst, jmp, test); + } + else { + /* test(fail(p1)) -> L2; choice L2; L1:

; partialcommit L1; L2: */ + /* or (if 'opt'): partialcommit L1; L1:

; partialcommit L1; */ + int commit, l2; + int test = codetestset(compst, &st, e1); + int pchoice = NOINST; + if (opt) + jumptohere(compst, addoffsetinst(compst, IPartialCommit)); + else + pchoice = addoffsetinst(compst, IChoice); + l2 = gethere(compst); + codegen(compst, tree, 0, NOINST, fullset); + commit = addoffsetinst(compst, IPartialCommit); + jumptothere(compst, commit, l2); + jumptohere(compst, pchoice); + jumptohere(compst, test); + } + } +} + + +/* +** Not predicate; optimizations: +** In any case, if first test fails, 'not' succeeds, so it can jump to +** the end. If pattern is headfail, that is all (it cannot fail +** in other parts); this case includes 'not' of simple sets. Otherwise, +** use the default code (a choice plus a failtwice). +*/ +static void codenot (CompileState *compst, TTree *tree) { + Charset st; + int e = getfirst(tree, fullset, &st); + int test = codetestset(compst, &st, e); + if (headfail(tree)) /* test (fail(p1)) -> L1; fail; L1: */ + addinstruction(compst, IFail, 0); + else { + /* test(fail(p))-> L1; choice L1;

; failtwice; L1: */ + int pchoice = addoffsetinst(compst, IChoice); + codegen(compst, tree, 0, NOINST, fullset); + addinstruction(compst, IFailTwice, 0); + jumptohere(compst, pchoice); + } + jumptohere(compst, test); +} + + +/* +** change open calls to calls, using list 'positions' to find +** correct offsets; also optimize tail calls +*/ +static void correctcalls (CompileState *compst, int *positions, + int from, int to) { + int i; + Instruction *code = compst->p->code; + for (i = from; i < to; i += sizei(&code[i])) { + if (code[i].i.code == IOpenCall) { + int n = code[i].i.key; /* rule number */ + int rule = positions[n]; /* rule position */ + assert(rule == from || code[rule - 1].i.code == IRet); + if (code[finaltarget(code, i + 2)].i.code == IRet) /* call; ret ? */ + code[i].i.code = IJmp; /* tail call */ + else + code[i].i.code = ICall; + jumptothere(compst, i, rule); /* call jumps to respective rule */ + } + } + assert(i == to); +} + + +/* +** Code for a grammar: +** call L1; jmp L2; L1: rule 1; ret; rule 2; ret; ...; L2: +*/ +static void codegrammar (CompileState *compst, TTree *grammar) { + int positions[MAXRULES]; + int rulenumber = 0; + TTree *rule; + int firstcall = addoffsetinst(compst, ICall); /* call initial rule */ + int jumptoend = addoffsetinst(compst, IJmp); /* jump to the end */ + int start = gethere(compst); /* here starts the initial rule */ + jumptohere(compst, firstcall); + for (rule = sib1(grammar); rule->tag == TRule; rule = sib2(rule)) { + positions[rulenumber++] = gethere(compst); /* save rule position */ + codegen(compst, sib1(rule), 0, NOINST, fullset); /* code rule */ + addinstruction(compst, IRet, 0); + } + assert(rule->tag == TTrue); + jumptohere(compst, jumptoend); + correctcalls(compst, positions, start, gethere(compst)); +} + + +static void codecall (CompileState *compst, TTree *call) { + int c = addoffsetinst(compst, IOpenCall); /* to be corrected later */ + getinstr(compst, c).i.key = sib2(call)->cap; /* rule number */ + assert(sib2(call)->tag == TRule); +} + + +/* +** Code first child of a sequence +** (second child is called in-place to allow tail call) +** Return 'tt' for second child +*/ +static int codeseq1 (CompileState *compst, TTree *p1, TTree *p2, + int tt, const Charset *fl) { + if (needfollow(p1)) { + Charset fl1; + getfirst(p2, fl, &fl1); /* p1 follow is p2 first */ + codegen(compst, p1, 0, tt, &fl1); + } + else /* use 'fullset' as follow */ + codegen(compst, p1, 0, tt, fullset); + if (fixedlen(p1) != 0) /* can 'p1' consume anything? */ + return NOINST; /* invalidate test */ + else return tt; /* else 'tt' still protects sib2 */ +} + + +/* +** Main code-generation function: dispatch to auxiliar functions +** according to kind of tree. ('needfollow' should return true +** only for consructions that use 'fl'.) +*/ +static void codegen (CompileState *compst, TTree *tree, int opt, int tt, + const Charset *fl) { + tailcall: + switch (tree->tag) { + case TChar: codechar(compst, tree->u.n, tt); break; + case TAny: addinstruction(compst, IAny, 0); break; + case TSet: codecharset(compst, treebuffer(tree), tt); break; + case TTrue: break; + case TFalse: addinstruction(compst, IFail, 0); break; + case TChoice: codechoice(compst, sib1(tree), sib2(tree), opt, fl); break; + case TRep: coderep(compst, sib1(tree), opt, fl); break; + case TBehind: codebehind(compst, tree); break; + case TNot: codenot(compst, sib1(tree)); break; + case TAnd: codeand(compst, sib1(tree), tt); break; + case TCapture: codecapture(compst, tree, tt, fl); break; + case TRunTime: coderuntime(compst, tree, tt); break; + case TGrammar: codegrammar(compst, tree); break; + case TCall: codecall(compst, tree); break; + case TSeq: { + tt = codeseq1(compst, sib1(tree), sib2(tree), tt, fl); /* code 'p1' */ + /* codegen(compst, p2, opt, tt, fl); */ + tree = sib2(tree); goto tailcall; + } + default: assert(0); + } +} + + +/* +** Optimize jumps and other jump-like instructions. +** * Update labels of instructions with labels to their final +** destinations (e.g., choice L1; ... L1: jmp L2: becomes +** choice L2) +** * Jumps to other instructions that do jumps become those +** instructions (e.g., jump to return becomes a return; jump +** to commit becomes a commit) +*/ +static void peephole (CompileState *compst) { + Instruction *code = compst->p->code; + int i; + for (i = 0; i < compst->ncode; i += sizei(&code[i])) { + redo: + switch (code[i].i.code) { + case IChoice: case ICall: case ICommit: case IPartialCommit: + case IBackCommit: case ITestChar: case ITestSet: + case ITestAny: { /* instructions with labels */ + jumptothere(compst, i, finallabel(code, i)); /* optimize label */ + break; + } + case IJmp: { + int ft = finaltarget(code, i); + switch (code[ft].i.code) { /* jumping to what? */ + case IRet: case IFail: case IFailTwice: + case IEnd: { /* instructions with unconditional implicit jumps */ + code[i] = code[ft]; /* jump becomes that instruction */ + code[i + 1].i.code = IAny; /* 'no-op' for target position */ + break; + } + case ICommit: case IPartialCommit: + case IBackCommit: { /* inst. with unconditional explicit jumps */ + int fft = finallabel(code, ft); + code[i] = code[ft]; /* jump becomes that instruction... */ + jumptothere(compst, i, fft); /* but must correct its offset */ + goto redo; /* reoptimize its label */ + } + default: { + jumptothere(compst, i, ft); /* optimize label */ + break; + } + } + break; + } + default: break; + } + } + assert(code[i - 1].i.code == IEnd); +} + + +/* +** Compile a pattern +*/ +Instruction *compile (lua_State *L, Pattern *p) { + CompileState compst; + compst.p = p; compst.ncode = 0; compst.L = L; + realloccode(L, p, 2); /* minimum initial size */ + codegen(&compst, p->tree, 0, NOINST, fullset); + addinstruction(&compst, IEnd, 0); + realloccode(L, p, compst.ncode); /* set final size */ + peephole(&compst); + return p->code; +} + + +/* }====================================================== */ + +/* +** $Id: lpcap.c,v 1.6 2015/06/15 16:09:57 roberto Exp $ +** Copyright 2007, Lua.org & PUC-Rio (see 'lpeg.html' for license) +*/ + +/* #include "lua.h" */ +/* #include "lauxlib.h" */ + +/* #include "lpcap.h" */ +/* #include "lptypes.h" */ + + +#define captype(cap) ((cap)->kind) + +#define isclosecap(cap) (captype(cap) == Cclose) + +#define closeaddr(c) ((c)->s + (c)->siz - 1) + +#define isfullcap(cap) ((cap)->siz != 0) + +#define getfromktable(cs,v) lua_rawgeti((cs)->L, ktableidx((cs)->ptop), v) + +#define pushluaval(cs) getfromktable(cs, (cs)->cap->idx) + + + +/* +** Put at the cache for Lua values the value indexed by 'v' in ktable +** of the running pattern (if it is not there yet); returns its index. +*/ +static int updatecache (CapState *cs, int v) { + int idx = cs->ptop + 1; /* stack index of cache for Lua values */ + if (v != cs->valuecached) { /* not there? */ + getfromktable(cs, v); /* get value from 'ktable' */ + lua_replace(cs->L, idx); /* put it at reserved stack position */ + cs->valuecached = v; /* keep track of what is there */ + } + return idx; +} + + +static int pushcapture (CapState *cs); + + +/* +** Goes back in a list of captures looking for an open capture +** corresponding to a close +*/ +static Capture *findopen (Capture *cap) { + int n = 0; /* number of closes waiting an open */ + for (;;) { + cap--; + if (isclosecap(cap)) n++; /* one more open to skip */ + else if (!isfullcap(cap)) + if (n-- == 0) return cap; + } +} + + +/* +** Go to the next capture +*/ +static void nextcap (CapState *cs) { + Capture *cap = cs->cap; + if (!isfullcap(cap)) { /* not a single capture? */ + int n = 0; /* number of opens waiting a close */ + for (;;) { /* look for corresponding close */ + cap++; + if (isclosecap(cap)) { + if (n-- == 0) break; + } + else if (!isfullcap(cap)) n++; + } + } + cs->cap = cap + 1; /* + 1 to skip last close (or entire single capture) */ +} + + +/* +** Push on the Lua stack all values generated by nested captures inside +** the current capture. Returns number of values pushed. 'addextra' +** makes it push the entire match after all captured values. The +** entire match is pushed also if there are no other nested values, +** so the function never returns zero. +*/ +static int pushnestedvalues (CapState *cs, int addextra) { + Capture *co = cs->cap; + if (isfullcap(cs->cap++)) { /* no nested captures? */ + lua_pushlstring(cs->L, co->s, co->siz - 1); /* push whole match */ + return 1; /* that is it */ + } + else { + int n = 0; + while (!isclosecap(cs->cap)) /* repeat for all nested patterns */ + n += pushcapture(cs); + if (addextra || n == 0) { /* need extra? */ + lua_pushlstring(cs->L, co->s, cs->cap->s - co->s); /* push whole match */ + n++; + } + cs->cap++; /* skip close entry */ + return n; + } +} + + +/* +** Push only the first value generated by nested captures +*/ +static void pushonenestedvalue (CapState *cs) { + int n = pushnestedvalues(cs, 0); + if (n > 1) + lua_pop(cs->L, n - 1); /* pop extra values */ +} + + +/* +** Try to find a named group capture with the name given at the top of +** the stack; goes backward from 'cap'. +*/ +static Capture *findback (CapState *cs, Capture *cap) { + lua_State *L = cs->L; + while (cap-- > cs->ocap) { /* repeat until end of list */ + if (isclosecap(cap)) + cap = findopen(cap); /* skip nested captures */ + else if (!isfullcap(cap)) + continue; /* opening an enclosing capture: skip and get previous */ + if (captype(cap) == Cgroup) { + getfromktable(cs, cap->idx); /* get group name */ + if (lp_equal(L, -2, -1)) { /* right group? */ + lua_pop(L, 2); /* remove reference name and group name */ + return cap; + } + else lua_pop(L, 1); /* remove group name */ + } + } + luaL_error(L, "back reference '%s' not found", lua_tostring(L, -1)); + return NULL; /* to avoid warnings */ +} + + +/* +** Back-reference capture. Return number of values pushed. +*/ +static int backrefcap (CapState *cs) { + int n; + Capture *curr = cs->cap; + pushluaval(cs); /* reference name */ + cs->cap = findback(cs, curr); /* find corresponding group */ + n = pushnestedvalues(cs, 0); /* push group's values */ + cs->cap = curr + 1; + return n; +} + + +/* +** Table capture: creates a new table and populates it with nested +** captures. +*/ +static int tablecap (CapState *cs) { + lua_State *L = cs->L; + int n = 0; + lua_newtable(L); + if (isfullcap(cs->cap++)) + return 1; /* table is empty */ + while (!isclosecap(cs->cap)) { + if (captype(cs->cap) == Cgroup && cs->cap->idx != 0) { /* named group? */ + pushluaval(cs); /* push group name */ + pushonenestedvalue(cs); + lua_settable(L, -3); + } + else { /* not a named group */ + int i; + int k = pushcapture(cs); + for (i = k; i > 0; i--) /* store all values into table */ + lua_rawseti(L, -(i + 1), n + i); + n += k; + } + } + cs->cap++; /* skip close entry */ + return 1; /* number of values pushed (only the table) */ +} + + +/* +** Table-query capture +*/ +static int querycap (CapState *cs) { + int idx = cs->cap->idx; + pushonenestedvalue(cs); /* get nested capture */ + lua_gettable(cs->L, updatecache(cs, idx)); /* query cap. value at table */ + if (!lua_isnil(cs->L, -1)) + return 1; + else { /* no value */ + lua_pop(cs->L, 1); /* remove nil */ + return 0; + } +} + + +/* +** Fold capture +*/ +static int foldcap (CapState *cs) { + int n; + lua_State *L = cs->L; + int idx = cs->cap->idx; + if (isfullcap(cs->cap++) || /* no nested captures? */ + isclosecap(cs->cap) || /* no nested captures (large subject)? */ + (n = pushcapture(cs)) == 0) /* nested captures with no values? */ + return luaL_error(L, "no initial value for fold capture"); + if (n > 1) + lua_pop(L, n - 1); /* leave only one result for accumulator */ + while (!isclosecap(cs->cap)) { + lua_pushvalue(L, updatecache(cs, idx)); /* get folding function */ + lua_insert(L, -2); /* put it before accumulator */ + n = pushcapture(cs); /* get next capture's values */ + lua_call(L, n + 1, 1); /* call folding function */ + } + cs->cap++; /* skip close entry */ + return 1; /* only accumulator left on the stack */ +} + + +/* +** Function capture +*/ +static int functioncap (CapState *cs) { + int n; + int top = lua_gettop(cs->L); + pushluaval(cs); /* push function */ + n = pushnestedvalues(cs, 0); /* push nested captures */ + lua_call(cs->L, n, LUA_MULTRET); /* call function */ + return lua_gettop(cs->L) - top; /* return function's results */ +} + + +/* +** Select capture +*/ +static int numcap (CapState *cs) { + int idx = cs->cap->idx; /* value to select */ + if (idx == 0) { /* no values? */ + nextcap(cs); /* skip entire capture */ + return 0; /* no value produced */ + } + else { + int n = pushnestedvalues(cs, 0); + if (n < idx) /* invalid index? */ + return luaL_error(cs->L, "no capture '%d'", idx); + else { + lua_pushvalue(cs->L, -(n - idx + 1)); /* get selected capture */ + lua_replace(cs->L, -(n + 1)); /* put it in place of 1st capture */ + lua_pop(cs->L, n - 1); /* remove other captures */ + return 1; + } + } +} + + +/* +** Return the stack index of the first runtime capture in the given +** list of captures (or zero if no runtime captures) +*/ +int finddyncap (Capture *cap, Capture *last) { + for (; cap < last; cap++) { + if (cap->kind == Cruntime) + return cap->idx; /* stack position of first capture */ + } + return 0; /* no dynamic captures in this segment */ +} + + +/* +** Calls a runtime capture. Returns number of captures removed by +** the call, including the initial Cgroup. (Captures to be added are +** on the Lua stack.) +*/ +int runtimecap (CapState *cs, Capture *close, const char *s, int *rem) { + int n, id; + lua_State *L = cs->L; + int otop = lua_gettop(L); + Capture *open = findopen(close); + assert(captype(open) == Cgroup); + id = finddyncap(open, close); /* get first dynamic capture argument */ + close->kind = Cclose; /* closes the group */ + close->s = s; + cs->cap = open; cs->valuecached = 0; /* prepare capture state */ + luaL_checkstack(L, 4, "too many runtime captures"); + pushluaval(cs); /* push function to be called */ + lua_pushvalue(L, SUBJIDX); /* push original subject */ + lua_pushinteger(L, s - cs->s + 1); /* push current position */ + n = pushnestedvalues(cs, 0); /* push nested captures */ + lua_call(L, n + 2, LUA_MULTRET); /* call dynamic function */ + if (id > 0) { /* are there old dynamic captures to be removed? */ + int i; + for (i = id; i <= otop; i++) + lua_remove(L, id); /* remove old dynamic captures */ + *rem = otop - id + 1; /* total number of dynamic captures removed */ + } + else + *rem = 0; /* no dynamic captures removed */ + return close - open; /* number of captures of all kinds removed */ +} + + +/* +** Auxiliary structure for substitution and string captures: keep +** information about nested captures for future use, avoiding to push +** string results into Lua +*/ +typedef struct StrAux { + int isstring; /* whether capture is a string */ + union { + Capture *cp; /* if not a string, respective capture */ + struct { /* if it is a string... */ + const char *s; /* ... starts here */ + const char *e; /* ... ends here */ + } s; + } u; +} StrAux; + +#define MAXSTRCAPS 10 + +/* +** Collect values from current capture into array 'cps'. Current +** capture must be Cstring (first call) or Csimple (recursive calls). +** (In first call, fills %0 with whole match for Cstring.) +** Returns number of elements in the array that were filled. +*/ +static int getstrcaps (CapState *cs, StrAux *cps, int n) { + int k = n++; + cps[k].isstring = 1; /* get string value */ + cps[k].u.s.s = cs->cap->s; /* starts here */ + if (!isfullcap(cs->cap++)) { /* nested captures? */ + while (!isclosecap(cs->cap)) { /* traverse them */ + if (n >= MAXSTRCAPS) /* too many captures? */ + nextcap(cs); /* skip extra captures (will not need them) */ + else if (captype(cs->cap) == Csimple) /* string? */ + n = getstrcaps(cs, cps, n); /* put info. into array */ + else { + cps[n].isstring = 0; /* not a string */ + cps[n].u.cp = cs->cap; /* keep original capture */ + nextcap(cs); + n++; + } + } + cs->cap++; /* skip close */ + } + cps[k].u.s.e = closeaddr(cs->cap - 1); /* ends here */ + return n; +} + + +/* +** add next capture value (which should be a string) to buffer 'b' +*/ +static int addonestring (luaL_Buffer *b, CapState *cs, const char *what); + + +/* +** String capture: add result to buffer 'b' (instead of pushing +** it into the stack) +*/ +static void stringcap (luaL_Buffer *b, CapState *cs) { + StrAux cps[MAXSTRCAPS]; + int n; + size_t len, i; + const char *fmt; /* format string */ + fmt = lua_tolstring(cs->L, updatecache(cs, cs->cap->idx), &len); + n = getstrcaps(cs, cps, 0) - 1; /* collect nested captures */ + for (i = 0; i < len; i++) { /* traverse them */ + if (fmt[i] != '%') /* not an escape? */ + luaL_addchar(b, fmt[i]); /* add it to buffer */ + else if (fmt[++i] < '0' || fmt[i] > '9') /* not followed by a digit? */ + luaL_addchar(b, fmt[i]); /* add to buffer */ + else { + int l = fmt[i] - '0'; /* capture index */ + if (l > n) + luaL_error(cs->L, "invalid capture index (%d)", l); + else if (cps[l].isstring) + luaL_addlstring(b, cps[l].u.s.s, cps[l].u.s.e - cps[l].u.s.s); + else { + Capture *curr = cs->cap; + cs->cap = cps[l].u.cp; /* go back to evaluate that nested capture */ + if (!addonestring(b, cs, "capture")) + luaL_error(cs->L, "no values in capture index %d", l); + cs->cap = curr; /* continue from where it stopped */ + } + } + } +} + + +/* +** Substitution capture: add result to buffer 'b' +*/ +static void substcap (luaL_Buffer *b, CapState *cs) { + const char *curr = cs->cap->s; + if (isfullcap(cs->cap)) /* no nested captures? */ + luaL_addlstring(b, curr, cs->cap->siz - 1); /* keep original text */ + else { + cs->cap++; /* skip open entry */ + while (!isclosecap(cs->cap)) { /* traverse nested captures */ + const char *next = cs->cap->s; + luaL_addlstring(b, curr, next - curr); /* add text up to capture */ + if (addonestring(b, cs, "replacement")) + curr = closeaddr(cs->cap - 1); /* continue after match */ + else /* no capture value */ + curr = next; /* keep original text in final result */ + } + luaL_addlstring(b, curr, cs->cap->s - curr); /* add last piece of text */ + } + cs->cap++; /* go to next capture */ +} + + +/* +** Evaluates a capture and adds its first value to buffer 'b'; returns +** whether there was a value +*/ +static int addonestring (luaL_Buffer *b, CapState *cs, const char *what) { + switch (captype(cs->cap)) { + case Cstring: + stringcap(b, cs); /* add capture directly to buffer */ + return 1; + case Csubst: + substcap(b, cs); /* add capture directly to buffer */ + return 1; + default: { + lua_State *L = cs->L; + int n = pushcapture(cs); + if (n > 0) { + if (n > 1) lua_pop(L, n - 1); /* only one result */ + if (!lua_isstring(L, -1)) + luaL_error(L, "invalid %s value (a %s)", what, luaL_typename(L, -1)); + luaL_addvalue(b); + } + return n; + } + } +} + + +/* +** Push all values of the current capture into the stack; returns +** number of values pushed +*/ +static int pushcapture (CapState *cs) { + lua_State *L = cs->L; + luaL_checkstack(L, 4, "too many captures"); + switch (captype(cs->cap)) { + case Cposition: { + lua_pushinteger(L, cs->cap->s - cs->s + 1); + cs->cap++; + return 1; + } + case Cconst: { + pushluaval(cs); + cs->cap++; + return 1; + } + case Carg: { + int arg = (cs->cap++)->idx; + if (arg + FIXEDARGS > cs->ptop) + return luaL_error(L, "reference to absent extra argument #%d", arg); + lua_pushvalue(L, arg + FIXEDARGS); + return 1; + } + case Csimple: { + int k = pushnestedvalues(cs, 1); + lua_insert(L, -k); /* make whole match be first result */ + return k; + } + case Cruntime: { + lua_pushvalue(L, (cs->cap++)->idx); /* value is in the stack */ + return 1; + } + case Cstring: { + luaL_Buffer b; + luaL_buffinit(L, &b); + stringcap(&b, cs); + luaL_pushresult(&b); + return 1; + } + case Csubst: { + luaL_Buffer b; + luaL_buffinit(L, &b); + substcap(&b, cs); + luaL_pushresult(&b); + return 1; + } + case Cgroup: { + if (cs->cap->idx == 0) /* anonymous group? */ + return pushnestedvalues(cs, 0); /* add all nested values */ + else { /* named group: add no values */ + nextcap(cs); /* skip capture */ + return 0; + } + } + case Cbackref: return backrefcap(cs); + case Ctable: return tablecap(cs); + case Cfunction: return functioncap(cs); + case Cnum: return numcap(cs); + case Cquery: return querycap(cs); + case Cfold: return foldcap(cs); + default: assert(0); return 0; + } +} + + +/* +** Prepare a CapState structure and traverse the entire list of +** captures in the stack pushing its results. 's' is the subject +** string, 'r' is the final position of the match, and 'ptop' +** the index in the stack where some useful values were pushed. +** Returns the number of results pushed. (If the list produces no +** results, push the final position of the match.) +*/ +int getcaptures (lua_State *L, const char *s, const char *r, int ptop) { + Capture *capture = (Capture *)lua_touserdata(L, caplistidx(ptop)); + int n = 0; + if (!isclosecap(capture)) { /* is there any capture? */ + CapState cs; + cs.ocap = cs.cap = capture; cs.L = L; + cs.s = s; cs.valuecached = 0; cs.ptop = ptop; + do { /* collect their values */ + n += pushcapture(&cs); + } while (!isclosecap(cs.cap)); + } + if (n == 0) { /* no capture values? */ + lua_pushinteger(L, r - s + 1); /* return only end position */ + n = 1; + } + return n; +} + + +/* +** $Id: lptree.c,v 1.22 2016/09/13 18:10:22 roberto Exp $ +** Copyright 2013, Lua.org & PUC-Rio (see 'lpeg.html' for license) +*/ + +/* #include */ +/* #include */ +/* #include */ + + +/* #include "lua.h" */ +/* #include "lauxlib.h" */ + +/* #include "lptypes.h" */ +/* #include "lpcap.h" */ +/* #include "lpcode.h" */ +/* #include "lpprint.h" */ +/* #include "lptree.h" */ + + +/* number of siblings for each tree */ +const byte numsiblings[] = { + 0, 0, 0, /* char, set, any */ + 0, 0, /* true, false */ + 1, /* rep */ + 2, 2, /* seq, choice */ + 1, 1, /* not, and */ + 0, 0, 2, 1, /* call, opencall, rule, grammar */ + 1, /* behind */ + 1, 1 /* capture, runtime capture */ +}; + + +static TTree *newgrammar (lua_State *L, int arg); + + +/* +** returns a reasonable name for value at index 'idx' on the stack +*/ +static const char *val2str (lua_State *L, int idx) { + const char *k = lua_tostring(L, idx); + if (k != NULL) + return lua_pushfstring(L, "%s", k); + else + return lua_pushfstring(L, "(a %s)", luaL_typename(L, idx)); +} + + +/* +** Fix a TOpenCall into a TCall node, using table 'postable' to +** translate a key to its rule address in the tree. Raises an +** error if key does not exist. +*/ +static void fixonecall (lua_State *L, int postable, TTree *g, TTree *t) { + int n; + lua_rawgeti(L, -1, t->key); /* get rule's name */ + lua_gettable(L, postable); /* query name in position table */ + n = lua_tonumber(L, -1); /* get (absolute) position */ + lua_pop(L, 1); /* remove position */ + if (n == 0) { /* no position? */ + lua_rawgeti(L, -1, t->key); /* get rule's name again */ + luaL_error(L, "rule '%s' undefined in given grammar", val2str(L, -1)); + } + t->tag = TCall; + t->u.ps = n - (t - g); /* position relative to node */ + assert(sib2(t)->tag == TRule); + sib2(t)->key = t->key; /* fix rule's key */ +} + + +/* +** Transform left associative constructions into right +** associative ones, for sequence and choice; that is: +** (t11 + t12) + t2 => t11 + (t12 + t2) +** (t11 * t12) * t2 => t11 * (t12 * t2) +** (that is, Op (Op t11 t12) t2 => Op t11 (Op t12 t2)) +*/ +static void correctassociativity (TTree *tree) { + TTree *t1 = sib1(tree); + assert(tree->tag == TChoice || tree->tag == TSeq); + while (t1->tag == tree->tag) { + int n1size = tree->u.ps - 1; /* t1 == Op t11 t12 */ + int n11size = t1->u.ps - 1; + int n12size = n1size - n11size - 1; + memmove(sib1(tree), sib1(t1), n11size * sizeof(TTree)); /* move t11 */ + tree->u.ps = n11size + 1; + sib2(tree)->tag = tree->tag; + sib2(tree)->u.ps = n12size + 1; + } +} + + +/* +** Make final adjustments in a tree. Fix open calls in tree 't', +** making them refer to their respective rules or raising appropriate +** errors (if not inside a grammar). Correct associativity of associative +** constructions (making them right associative). Assume that tree's +** ktable is at the top of the stack (for error messages). +*/ +static void finalfix (lua_State *L, int postable, TTree *g, TTree *t) { + tailcall: + switch (t->tag) { + case TGrammar: /* subgrammars were already fixed */ + return; + case TOpenCall: { + if (g != NULL) /* inside a grammar? */ + fixonecall(L, postable, g, t); + else { /* open call outside grammar */ + lua_rawgeti(L, -1, t->key); + luaL_error(L, "rule '%s' used outside a grammar", val2str(L, -1)); + } + break; + } + case TSeq: case TChoice: + correctassociativity(t); + break; + } + switch (numsiblings[t->tag]) { + case 1: /* finalfix(L, postable, g, sib1(t)); */ + t = sib1(t); goto tailcall; + case 2: + finalfix(L, postable, g, sib1(t)); + t = sib2(t); goto tailcall; /* finalfix(L, postable, g, sib2(t)); */ + default: assert(numsiblings[t->tag] == 0); break; + } +} + + + +/* +** {=================================================================== +** KTable manipulation +** +** - The ktable of a pattern 'p' can be shared by other patterns that +** contain 'p' and no other constants. Because of this sharing, we +** should not add elements to a 'ktable' unless it was freshly created +** for the new pattern. +** +** - The maximum index in a ktable is USHRT_MAX, because trees and +** patterns use unsigned shorts to store those indices. +** ==================================================================== +*/ + +/* +** Create a new 'ktable' to the pattern at the top of the stack. +*/ +static void newktable (lua_State *L, int n) { + lua_createtable(L, n, 0); /* create a fresh table */ + lua_setuservalue(L, -2); /* set it as 'ktable' for pattern */ +} + + +/* +** Add element 'idx' to 'ktable' of pattern at the top of the stack; +** Return index of new element. +** If new element is nil, does not add it to table (as it would be +** useless) and returns 0, as ktable[0] is always nil. +*/ +static int addtoktable (lua_State *L, int idx) { + if (lua_isnil(L, idx)) /* nil value? */ + return 0; + else { + int n; + lua_getuservalue(L, -1); /* get ktable from pattern */ + n = lua_rawlen(L, -1); + if (n >= USHRT_MAX) + luaL_error(L, "too many Lua values in pattern"); + lua_pushvalue(L, idx); /* element to be added */ + lua_rawseti(L, -2, ++n); + lua_pop(L, 1); /* remove 'ktable' */ + return n; + } +} + + +/* +** Return the number of elements in the ktable at 'idx'. +** In Lua 5.2/5.3, default "environment" for patterns is nil, not +** a table. Treat it as an empty table. In Lua 5.1, assumes that +** the environment has no numeric indices (len == 0) +*/ +static int ktablelen (lua_State *L, int idx) { + if (!lua_istable(L, idx)) return 0; + else return lua_rawlen(L, idx); +} + + +/* +** Concatentate the contents of table 'idx1' into table 'idx2'. +** (Assume that both indices are negative.) +** Return the original length of table 'idx2' (or 0, if no +** element was added, as there is no need to correct any index). +*/ +static int concattable (lua_State *L, int idx1, int idx2) { + int i; + int n1 = ktablelen(L, idx1); + int n2 = ktablelen(L, idx2); + if (n1 + n2 > USHRT_MAX) + luaL_error(L, "too many Lua values in pattern"); + if (n1 == 0) return 0; /* nothing to correct */ + for (i = 1; i <= n1; i++) { + lua_rawgeti(L, idx1, i); + lua_rawseti(L, idx2 - 1, n2 + i); /* correct 'idx2' */ + } + return n2; +} + + +/* +** When joining 'ktables', constants from one of the subpatterns must +** be renumbered; 'correctkeys' corrects their indices (adding 'n' +** to each of them) +*/ +static void correctkeys (TTree *tree, int n) { + if (n == 0) return; /* no correction? */ + tailcall: + switch (tree->tag) { + case TOpenCall: case TCall: case TRunTime: case TRule: { + if (tree->key > 0) + tree->key += n; + break; + } + case TCapture: { + if (tree->key > 0 && tree->cap != Carg && tree->cap != Cnum) + tree->key += n; + break; + } + default: break; + } + switch (numsiblings[tree->tag]) { + case 1: /* correctkeys(sib1(tree), n); */ + tree = sib1(tree); goto tailcall; + case 2: + correctkeys(sib1(tree), n); + tree = sib2(tree); goto tailcall; /* correctkeys(sib2(tree), n); */ + default: assert(numsiblings[tree->tag] == 0); break; + } +} + + +/* +** Join the ktables from p1 and p2 the ktable for the new pattern at the +** top of the stack, reusing them when possible. +*/ +static void joinktables (lua_State *L, int p1, TTree *t2, int p2) { + int n1, n2; + lua_getuservalue(L, p1); /* get ktables */ + lua_getuservalue(L, p2); + n1 = ktablelen(L, -2); + n2 = ktablelen(L, -1); + if (n1 == 0 && n2 == 0) /* are both tables empty? */ + lua_pop(L, 2); /* nothing to be done; pop tables */ + else if (n2 == 0 || lp_equal(L, -2, -1)) { /* 2nd table empty or equal? */ + lua_pop(L, 1); /* pop 2nd table */ + lua_setuservalue(L, -2); /* set 1st ktable into new pattern */ + } + else if (n1 == 0) { /* first table is empty? */ + lua_setuservalue(L, -3); /* set 2nd table into new pattern */ + lua_pop(L, 1); /* pop 1st table */ + } + else { + lua_createtable(L, n1 + n2, 0); /* create ktable for new pattern */ + /* stack: new p; ktable p1; ktable p2; new ktable */ + concattable(L, -3, -1); /* from p1 into new ktable */ + concattable(L, -2, -1); /* from p2 into new ktable */ + lua_setuservalue(L, -4); /* new ktable becomes 'p' environment */ + lua_pop(L, 2); /* pop other ktables */ + correctkeys(t2, n1); /* correction for indices from p2 */ + } +} + + +/* +** copy 'ktable' of element 'idx' to new tree (on top of stack) +*/ +static void copyktable (lua_State *L, int idx) { + lua_getuservalue(L, idx); + lua_setuservalue(L, -2); +} + + +/* +** merge 'ktable' from 'stree' at stack index 'idx' into 'ktable' +** from tree at the top of the stack, and correct corresponding +** tree. +*/ +static void mergektable (lua_State *L, int idx, TTree *stree) { + int n; + lua_getuservalue(L, -1); /* get ktables */ + lua_getuservalue(L, idx); + n = concattable(L, -1, -2); + lua_pop(L, 2); /* remove both ktables */ + correctkeys(stree, n); +} + + +/* +** Create a new 'ktable' to the pattern at the top of the stack, adding +** all elements from pattern 'p' (if not 0) plus element 'idx' to it. +** Return index of new element. +*/ +static int addtonewktable (lua_State *L, int p, int idx) { + newktable(L, 1); + if (p) + mergektable(L, p, NULL); + return addtoktable(L, idx); +} + +/* }====================================================== */ + + +/* +** {====================================================== +** Tree generation +** ======================================================= +*/ + +/* +** In 5.2, could use 'luaL_testudata'... +*/ +static int testpattern (lua_State *L, int idx) { + if (lua_touserdata(L, idx)) { /* value is a userdata? */ + if (lua_getmetatable(L, idx)) { /* does it have a metatable? */ + luaL_getmetatable(L, PATTERN_T); + if (lua_rawequal(L, -1, -2)) { /* does it have the correct mt? */ + lua_pop(L, 2); /* remove both metatables */ + return 1; + } + } + } + return 0; +} + + +static Pattern *getpattern (lua_State *L, int idx) { + return (Pattern *)luaL_checkudata(L, idx, PATTERN_T); +} + + +static int getsize (lua_State *L, int idx) { + return (lua_rawlen(L, idx) - sizeof(Pattern)) / sizeof(TTree) + 1; +} + + +static TTree *gettree (lua_State *L, int idx, int *len) { + Pattern *p = getpattern(L, idx); + if (len) + *len = getsize(L, idx); + return p->tree; +} + + +/* +** create a pattern. Set its uservalue (the 'ktable') equal to its +** metatable. (It could be any empty sequence; the metatable is at +** hand here, so we use it.) +*/ +static TTree *newtree (lua_State *L, int len) { + size_t size = (len - 1) * sizeof(TTree) + sizeof(Pattern); + Pattern *p = (Pattern *)lua_newuserdata(L, size); + luaL_getmetatable(L, PATTERN_T); + lua_pushvalue(L, -1); + lua_setuservalue(L, -3); + lua_setmetatable(L, -2); + p->code = NULL; p->codesize = 0; + return p->tree; +} + + +static TTree *newleaf (lua_State *L, int tag) { + TTree *tree = newtree(L, 1); + tree->tag = tag; + return tree; +} + + +static TTree *newcharset (lua_State *L) { + TTree *tree = newtree(L, bytes2slots(CHARSETSIZE) + 1); + tree->tag = TSet; + loopset(i, treebuffer(tree)[i] = 0); + return tree; +} + + +/* +** add to tree a sequence where first sibling is 'sib' (with size +** 'sibsize'); returns position for second sibling +*/ +static TTree *seqaux (TTree *tree, TTree *sib, int sibsize) { + tree->tag = TSeq; tree->u.ps = sibsize + 1; + memcpy(sib1(tree), sib, sibsize * sizeof(TTree)); + return sib2(tree); +} + + +/* +** Build a sequence of 'n' nodes, each with tag 'tag' and 'u.n' got +** from the array 's' (or 0 if array is NULL). (TSeq is binary, so it +** must build a sequence of sequence of sequence...) +*/ +static void fillseq (TTree *tree, int tag, int n, const char *s) { + int i; + for (i = 0; i < n - 1; i++) { /* initial n-1 copies of Seq tag; Seq ... */ + tree->tag = TSeq; tree->u.ps = 2; + sib1(tree)->tag = tag; + sib1(tree)->u.n = s ? (byte)s[i] : 0; + tree = sib2(tree); + } + tree->tag = tag; /* last one does not need TSeq */ + tree->u.n = s ? (byte)s[i] : 0; +} + + +/* +** Numbers as patterns: +** 0 == true (always match); n == TAny repeated 'n' times; +** -n == not (TAny repeated 'n' times) +*/ +static TTree *numtree (lua_State *L, int n) { + if (n == 0) + return newleaf(L, TTrue); + else { + TTree *tree, *nd; + if (n > 0) + tree = nd = newtree(L, 2 * n - 1); + else { /* negative: code it as !(-n) */ + n = -n; + tree = newtree(L, 2 * n); + tree->tag = TNot; + nd = sib1(tree); + } + fillseq(nd, TAny, n, NULL); /* sequence of 'n' any's */ + return tree; + } +} + + +/* +** Convert value at index 'idx' to a pattern +*/ +static TTree *getpatt (lua_State *L, int idx, int *len) { + TTree *tree; + switch (lua_type(L, idx)) { + case LUA_TSTRING: { + size_t slen; + const char *s = lua_tolstring(L, idx, &slen); /* get string */ + if (slen == 0) /* empty? */ + tree = newleaf(L, TTrue); /* always match */ + else { + tree = newtree(L, 2 * (slen - 1) + 1); + fillseq(tree, TChar, slen, s); /* sequence of 'slen' chars */ + } + break; + } + case LUA_TNUMBER: { + int n = lua_tointeger(L, idx); + tree = numtree(L, n); + break; + } + case LUA_TBOOLEAN: { + tree = (lua_toboolean(L, idx) ? newleaf(L, TTrue) : newleaf(L, TFalse)); + break; + } + case LUA_TTABLE: { + tree = newgrammar(L, idx); + break; + } + case LUA_TFUNCTION: { + tree = newtree(L, 2); + tree->tag = TRunTime; + tree->key = addtonewktable(L, 0, idx); + sib1(tree)->tag = TTrue; + break; + } + default: { + return gettree(L, idx, len); + } + } + lua_replace(L, idx); /* put new tree into 'idx' slot */ + if (len) + *len = getsize(L, idx); + return tree; +} + + +/* +** create a new tree, whith a new root and one sibling. +** Sibling must be on the Lua stack, at index 1. +*/ +static TTree *newroot1sib (lua_State *L, int tag) { + int s1; + TTree *tree1 = getpatt(L, 1, &s1); + TTree *tree = newtree(L, 1 + s1); /* create new tree */ + tree->tag = tag; + memcpy(sib1(tree), tree1, s1 * sizeof(TTree)); + copyktable(L, 1); + return tree; +} + + +/* +** create a new tree, whith a new root and 2 siblings. +** Siblings must be on the Lua stack, first one at index 1. +*/ +static TTree *newroot2sib (lua_State *L, int tag) { + int s1, s2; + TTree *tree1 = getpatt(L, 1, &s1); + TTree *tree2 = getpatt(L, 2, &s2); + TTree *tree = newtree(L, 1 + s1 + s2); /* create new tree */ + tree->tag = tag; + tree->u.ps = 1 + s1; + memcpy(sib1(tree), tree1, s1 * sizeof(TTree)); + memcpy(sib2(tree), tree2, s2 * sizeof(TTree)); + joinktables(L, 1, sib2(tree), 2); + return tree; +} + + +static int lp_P (lua_State *L) { + luaL_checkany(L, 1); + getpatt(L, 1, NULL); + lua_settop(L, 1); + return 1; +} + + +/* +** sequence operator; optimizations: +** false x => false, x true => x, true x => x +** (cannot do x . false => false because x may have runtime captures) +*/ +static int lp_seq (lua_State *L) { + TTree *tree1 = getpatt(L, 1, NULL); + TTree *tree2 = getpatt(L, 2, NULL); + if (tree1->tag == TFalse || tree2->tag == TTrue) + lua_pushvalue(L, 1); /* false . x == false, x . true = x */ + else if (tree1->tag == TTrue) + lua_pushvalue(L, 2); /* true . x = x */ + else + newroot2sib(L, TSeq); + return 1; +} + + +/* +** choice operator; optimizations: +** charset / charset => charset +** true / x => true, x / false => x, false / x => x +** (x / true is not equivalent to true) +*/ +static int lp_choice (lua_State *L) { + Charset st1, st2; + TTree *t1 = getpatt(L, 1, NULL); + TTree *t2 = getpatt(L, 2, NULL); + if (tocharset(t1, &st1) && tocharset(t2, &st2)) { + TTree *t = newcharset(L); + loopset(i, treebuffer(t)[i] = st1.cs[i] | st2.cs[i]); + } + else if (nofail(t1) || t2->tag == TFalse) + lua_pushvalue(L, 1); /* true / x => true, x / false => x */ + else if (t1->tag == TFalse) + lua_pushvalue(L, 2); /* false / x => x */ + else + newroot2sib(L, TChoice); + return 1; +} + + +/* +** p^n +*/ +static int lp_star (lua_State *L) { + int size1; + int n = (int)luaL_checkinteger(L, 2); + TTree *tree1 = getpatt(L, 1, &size1); + if (n >= 0) { /* seq tree1 (seq tree1 ... (seq tree1 (rep tree1))) */ + TTree *tree = newtree(L, (n + 1) * (size1 + 1)); + if (nullable(tree1)) + luaL_error(L, "loop body may accept empty string"); + while (n--) /* repeat 'n' times */ + tree = seqaux(tree, tree1, size1); + tree->tag = TRep; + memcpy(sib1(tree), tree1, size1 * sizeof(TTree)); + } + else { /* choice (seq tree1 ... choice tree1 true ...) true */ + TTree *tree; + n = -n; + /* size = (choice + seq + tree1 + true) * n, but the last has no seq */ + tree = newtree(L, n * (size1 + 3) - 1); + for (; n > 1; n--) { /* repeat (n - 1) times */ + tree->tag = TChoice; tree->u.ps = n * (size1 + 3) - 2; + sib2(tree)->tag = TTrue; + tree = sib1(tree); + tree = seqaux(tree, tree1, size1); + } + tree->tag = TChoice; tree->u.ps = size1 + 1; + sib2(tree)->tag = TTrue; + memcpy(sib1(tree), tree1, size1 * sizeof(TTree)); + } + copyktable(L, 1); + return 1; +} + + +/* +** #p == &p +*/ +static int lp_and (lua_State *L) { + newroot1sib(L, TAnd); + return 1; +} + + +/* +** -p == !p +*/ +static int lp_not (lua_State *L) { + newroot1sib(L, TNot); + return 1; +} + + +/* +** [t1 - t2] == Seq (Not t2) t1 +** If t1 and t2 are charsets, make their difference. +*/ +static int lp_sub (lua_State *L) { + Charset st1, st2; + int s1, s2; + TTree *t1 = getpatt(L, 1, &s1); + TTree *t2 = getpatt(L, 2, &s2); + if (tocharset(t1, &st1) && tocharset(t2, &st2)) { + TTree *t = newcharset(L); + loopset(i, treebuffer(t)[i] = st1.cs[i] & ~st2.cs[i]); + } + else { + TTree *tree = newtree(L, 2 + s1 + s2); + tree->tag = TSeq; /* sequence of... */ + tree->u.ps = 2 + s2; + sib1(tree)->tag = TNot; /* ...not... */ + memcpy(sib1(sib1(tree)), t2, s2 * sizeof(TTree)); /* ...t2 */ + memcpy(sib2(tree), t1, s1 * sizeof(TTree)); /* ... and t1 */ + joinktables(L, 1, sib1(tree), 2); + } + return 1; +} + + +static int lp_set (lua_State *L) { + size_t l; + const char *s = luaL_checklstring(L, 1, &l); + TTree *tree = newcharset(L); + while (l--) { + setchar(treebuffer(tree), (byte)(*s)); + s++; + } + return 1; +} + + +static int lp_range (lua_State *L) { + int arg; + int top = lua_gettop(L); + TTree *tree = newcharset(L); + for (arg = 1; arg <= top; arg++) { + int c; + size_t l; + const char *r = luaL_checklstring(L, arg, &l); + luaL_argcheck(L, l == 2, arg, "range must have two characters"); + for (c = (byte)r[0]; c <= (byte)r[1]; c++) + setchar(treebuffer(tree), c); + } + return 1; +} + + +/* +** Look-behind predicate +*/ +static int lp_behind (lua_State *L) { + TTree *tree; + TTree *tree1 = getpatt(L, 1, NULL); + int n = fixedlen(tree1); + luaL_argcheck(L, n >= 0, 1, "pattern may not have fixed length"); + luaL_argcheck(L, !hascaptures(tree1), 1, "pattern have captures"); + luaL_argcheck(L, n <= MAXBEHIND, 1, "pattern too long to look behind"); + tree = newroot1sib(L, TBehind); + tree->u.n = n; + return 1; +} + + +/* +** Create a non-terminal +*/ +static int lp_V (lua_State *L) { + TTree *tree = newleaf(L, TOpenCall); + luaL_argcheck(L, !lua_isnoneornil(L, 1), 1, "non-nil value expected"); + tree->key = addtonewktable(L, 0, 1); + return 1; +} + + +/* +** Create a tree for a non-empty capture, with a body and +** optionally with an associated Lua value (at index 'labelidx' in the +** stack) +*/ +static int capture_aux (lua_State *L, int cap, int labelidx) { + TTree *tree = newroot1sib(L, TCapture); + tree->cap = cap; + tree->key = (labelidx == 0) ? 0 : addtonewktable(L, 1, labelidx); + return 1; +} + + +/* +** Fill a tree with an empty capture, using an empty (TTrue) sibling. +*/ +static TTree *auxemptycap (TTree *tree, int cap) { + tree->tag = TCapture; + tree->cap = cap; + sib1(tree)->tag = TTrue; + return tree; +} + + +/* +** Create a tree for an empty capture +*/ +static TTree *newemptycap (lua_State *L, int cap) { + return auxemptycap(newtree(L, 2), cap); +} + + +/* +** Create a tree for an empty capture with an associated Lua value +*/ +static TTree *newemptycapkey (lua_State *L, int cap, int idx) { + TTree *tree = auxemptycap(newtree(L, 2), cap); + tree->key = addtonewktable(L, 0, idx); + return tree; +} + + +/* +** Captures with syntax p / v +** (function capture, query capture, string capture, or number capture) +*/ +static int lp_divcapture (lua_State *L) { + switch (lua_type(L, 2)) { + case LUA_TFUNCTION: return capture_aux(L, Cfunction, 2); + case LUA_TTABLE: return capture_aux(L, Cquery, 2); + case LUA_TSTRING: return capture_aux(L, Cstring, 2); + case LUA_TNUMBER: { + int n = lua_tointeger(L, 2); + TTree *tree = newroot1sib(L, TCapture); + luaL_argcheck(L, 0 <= n && n <= SHRT_MAX, 1, "invalid number"); + tree->cap = Cnum; + tree->key = n; + return 1; + } + default: return luaL_argerror(L, 2, "invalid replacement value"); + } +} + + +static int lp_substcapture (lua_State *L) { + return capture_aux(L, Csubst, 0); +} + + +static int lp_tablecapture (lua_State *L) { + return capture_aux(L, Ctable, 0); +} + + +static int lp_groupcapture (lua_State *L) { + if (lua_isnoneornil(L, 2)) + return capture_aux(L, Cgroup, 0); + else + return capture_aux(L, Cgroup, 2); +} + + +static int lp_foldcapture (lua_State *L) { + luaL_checktype(L, 2, LUA_TFUNCTION); + return capture_aux(L, Cfold, 2); +} + + +static int lp_simplecapture (lua_State *L) { + return capture_aux(L, Csimple, 0); +} + + +static int lp_poscapture (lua_State *L) { + newemptycap(L, Cposition); + return 1; +} + + +static int lp_argcapture (lua_State *L) { + int n = (int)luaL_checkinteger(L, 1); + TTree *tree = newemptycap(L, Carg); + tree->key = n; + luaL_argcheck(L, 0 < n && n <= SHRT_MAX, 1, "invalid argument index"); + return 1; +} + + +static int lp_backref (lua_State *L) { + luaL_checkany(L, 1); + newemptycapkey(L, Cbackref, 1); + return 1; +} + + +/* +** Constant capture +*/ +static int lp_constcapture (lua_State *L) { + int i; + int n = lua_gettop(L); /* number of values */ + if (n == 0) /* no values? */ + newleaf(L, TTrue); /* no capture */ + else if (n == 1) + newemptycapkey(L, Cconst, 1); /* single constant capture */ + else { /* create a group capture with all values */ + TTree *tree = newtree(L, 1 + 3 * (n - 1) + 2); + newktable(L, n); /* create a 'ktable' for new tree */ + tree->tag = TCapture; + tree->cap = Cgroup; + tree->key = 0; + tree = sib1(tree); + for (i = 1; i <= n - 1; i++) { + tree->tag = TSeq; + tree->u.ps = 3; /* skip TCapture and its sibling */ + auxemptycap(sib1(tree), Cconst); + sib1(tree)->key = addtoktable(L, i); + tree = sib2(tree); + } + auxemptycap(tree, Cconst); + tree->key = addtoktable(L, i); + } + return 1; +} + + +static int lp_matchtime (lua_State *L) { + TTree *tree; + luaL_checktype(L, 2, LUA_TFUNCTION); + tree = newroot1sib(L, TRunTime); + tree->key = addtonewktable(L, 1, 2); + return 1; +} + +/* }====================================================== */ + + +/* +** {====================================================== +** Grammar - Tree generation +** ======================================================= +*/ + +/* +** push on the stack the index and the pattern for the +** initial rule of grammar at index 'arg' in the stack; +** also add that index into position table. +*/ +static void getfirstrule (lua_State *L, int arg, int postab) { + lua_rawgeti(L, arg, 1); /* access first element */ + if (lua_isstring(L, -1)) { /* is it the name of initial rule? */ + lua_pushvalue(L, -1); /* duplicate it to use as key */ + lua_gettable(L, arg); /* get associated rule */ + } + else { + lua_pushinteger(L, 1); /* key for initial rule */ + lua_insert(L, -2); /* put it before rule */ + } + if (!testpattern(L, -1)) { /* initial rule not a pattern? */ + if (lua_isnil(L, -1)) + luaL_error(L, "grammar has no initial rule"); + else + luaL_error(L, "initial rule '%s' is not a pattern", lua_tostring(L, -2)); + } + lua_pushvalue(L, -2); /* push key */ + lua_pushinteger(L, 1); /* push rule position (after TGrammar) */ + lua_settable(L, postab); /* insert pair at position table */ +} + +/* +** traverse grammar at index 'arg', pushing all its keys and patterns +** into the stack. Create a new table (before all pairs key-pattern) to +** collect all keys and their associated positions in the final tree +** (the "position table"). +** Return the number of rules and (in 'totalsize') the total size +** for the new tree. +*/ +static int collectrules (lua_State *L, int arg, int *totalsize) { + int n = 1; /* to count number of rules */ + int postab = lua_gettop(L) + 1; /* index of position table */ + int size; /* accumulator for total size */ + lua_newtable(L); /* create position table */ + getfirstrule(L, arg, postab); + size = 2 + getsize(L, postab + 2); /* TGrammar + TRule + rule */ + lua_pushnil(L); /* prepare to traverse grammar table */ + while (lua_next(L, arg) != 0) { + if (lua_tonumber(L, -2) == 1 || + lp_equal(L, -2, postab + 1)) { /* initial rule? */ + lua_pop(L, 1); /* remove value (keep key for lua_next) */ + continue; + } + if (!testpattern(L, -1)) /* value is not a pattern? */ + luaL_error(L, "rule '%s' is not a pattern", val2str(L, -2)); + luaL_checkstack(L, LUA_MINSTACK, "grammar has too many rules"); + lua_pushvalue(L, -2); /* push key (to insert into position table) */ + lua_pushinteger(L, size); + lua_settable(L, postab); + size += 1 + getsize(L, -1); /* update size */ + lua_pushvalue(L, -2); /* push key (for next lua_next) */ + n++; + } + *totalsize = size + 1; /* TTrue to finish list of rules */ + return n; +} + + +static void buildgrammar (lua_State *L, TTree *grammar, int frule, int n) { + int i; + TTree *nd = sib1(grammar); /* auxiliary pointer to traverse the tree */ + for (i = 0; i < n; i++) { /* add each rule into new tree */ + int ridx = frule + 2*i + 1; /* index of i-th rule */ + int rulesize; + TTree *rn = gettree(L, ridx, &rulesize); + nd->tag = TRule; + nd->key = 0; /* will be fixed when rule is used */ + nd->cap = i; /* rule number */ + nd->u.ps = rulesize + 1; /* point to next rule */ + memcpy(sib1(nd), rn, rulesize * sizeof(TTree)); /* copy rule */ + mergektable(L, ridx, sib1(nd)); /* merge its ktable into new one */ + nd = sib2(nd); /* move to next rule */ + } + nd->tag = TTrue; /* finish list of rules */ +} + + +/* +** Check whether a tree has potential infinite loops +*/ +static int checkloops (TTree *tree) { + tailcall: + if (tree->tag == TRep && nullable(sib1(tree))) + return 1; + else if (tree->tag == TGrammar) + return 0; /* sub-grammars already checked */ + else { + switch (numsiblings[tree->tag]) { + case 1: /* return checkloops(sib1(tree)); */ + tree = sib1(tree); goto tailcall; + case 2: + if (checkloops(sib1(tree))) return 1; + /* else return checkloops(sib2(tree)); */ + tree = sib2(tree); goto tailcall; + default: assert(numsiblings[tree->tag] == 0); return 0; + } + } +} + + +/* +** Give appropriate error message for 'verifyrule'. If a rule appears +** twice in 'passed', there is path from it back to itself without +** advancing the subject. +*/ +static int verifyerror (lua_State *L, int *passed, int npassed) { + int i, j; + for (i = npassed - 1; i >= 0; i--) { /* search for a repetition */ + for (j = i - 1; j >= 0; j--) { + if (passed[i] == passed[j]) { + lua_rawgeti(L, -1, passed[i]); /* get rule's key */ + return luaL_error(L, "rule '%s' may be left recursive", val2str(L, -1)); + } + } + } + return luaL_error(L, "too many left calls in grammar"); +} + + +/* +** Check whether a rule can be left recursive; raise an error in that +** case; otherwise return 1 iff pattern is nullable. +** The return value is used to check sequences, where the second pattern +** is only relevant if the first is nullable. +** Parameter 'nb' works as an accumulator, to allow tail calls in +** choices. ('nb' true makes function returns true.) +** Parameter 'passed' is a list of already visited rules, 'npassed' +** counts the elements in 'passed'. +** Assume ktable at the top of the stack. +*/ +static int verifyrule (lua_State *L, TTree *tree, int *passed, int npassed, + int nb) { + tailcall: + switch (tree->tag) { + case TChar: case TSet: case TAny: + case TFalse: + return nb; /* cannot pass from here */ + case TTrue: + case TBehind: /* look-behind cannot have calls */ + return 1; + case TNot: case TAnd: case TRep: + /* return verifyrule(L, sib1(tree), passed, npassed, 1); */ + tree = sib1(tree); nb = 1; goto tailcall; + case TCapture: case TRunTime: + /* return verifyrule(L, sib1(tree), passed, npassed, nb); */ + tree = sib1(tree); goto tailcall; + case TCall: + /* return verifyrule(L, sib2(tree), passed, npassed, nb); */ + tree = sib2(tree); goto tailcall; + case TSeq: /* only check 2nd child if first is nb */ + if (!verifyrule(L, sib1(tree), passed, npassed, 0)) + return nb; + /* else return verifyrule(L, sib2(tree), passed, npassed, nb); */ + tree = sib2(tree); goto tailcall; + case TChoice: /* must check both children */ + nb = verifyrule(L, sib1(tree), passed, npassed, nb); + /* return verifyrule(L, sib2(tree), passed, npassed, nb); */ + tree = sib2(tree); goto tailcall; + case TRule: + if (npassed >= MAXRULES) + return verifyerror(L, passed, npassed); + else { + passed[npassed++] = tree->key; + /* return verifyrule(L, sib1(tree), passed, npassed); */ + tree = sib1(tree); goto tailcall; + } + case TGrammar: + return nullable(tree); /* sub-grammar cannot be left recursive */ + default: assert(0); return 0; + } +} + + +static void verifygrammar (lua_State *L, TTree *grammar) { + int passed[MAXRULES]; + TTree *rule; + /* check left-recursive rules */ + for (rule = sib1(grammar); rule->tag == TRule; rule = sib2(rule)) { + if (rule->key == 0) continue; /* unused rule */ + verifyrule(L, sib1(rule), passed, 0, 0); + } + assert(rule->tag == TTrue); + /* check infinite loops inside rules */ + for (rule = sib1(grammar); rule->tag == TRule; rule = sib2(rule)) { + if (rule->key == 0) continue; /* unused rule */ + if (checkloops(sib1(rule))) { + lua_rawgeti(L, -1, rule->key); /* get rule's key */ + luaL_error(L, "empty loop in rule '%s'", val2str(L, -1)); + } + } + assert(rule->tag == TTrue); +} + + +/* +** Give a name for the initial rule if it is not referenced +*/ +static void initialrulename (lua_State *L, TTree *grammar, int frule) { + if (sib1(grammar)->key == 0) { /* initial rule is not referenced? */ + int n = lua_rawlen(L, -1) + 1; /* index for name */ + lua_pushvalue(L, frule); /* rule's name */ + lua_rawseti(L, -2, n); /* ktable was on the top of the stack */ + sib1(grammar)->key = n; + } +} + + +static TTree *newgrammar (lua_State *L, int arg) { + int treesize; + int frule = lua_gettop(L) + 2; /* position of first rule's key */ + int n = collectrules(L, arg, &treesize); + TTree *g = newtree(L, treesize); + luaL_argcheck(L, n <= MAXRULES, arg, "grammar has too many rules"); + g->tag = TGrammar; g->u.n = n; + lua_newtable(L); /* create 'ktable' */ + lua_setuservalue(L, -2); + buildgrammar(L, g, frule, n); + lua_getuservalue(L, -1); /* get 'ktable' for new tree */ + finalfix(L, frule - 1, g, sib1(g)); + initialrulename(L, g, frule); + verifygrammar(L, g); + lua_pop(L, 1); /* remove 'ktable' */ + lua_insert(L, -(n * 2 + 2)); /* move new table to proper position */ + lua_pop(L, n * 2 + 1); /* remove position table + rule pairs */ + return g; /* new table at the top of the stack */ +} + +/* }====================================================== */ + + +static Instruction *prepcompile (lua_State *L, Pattern *p, int idx) { + lua_getuservalue(L, idx); /* push 'ktable' (may be used by 'finalfix') */ + finalfix(L, 0, NULL, p->tree); + lua_pop(L, 1); /* remove 'ktable' */ + return compile(L, p); +} + + +static int lp_printtree (lua_State *L) { + TTree *tree = getpatt(L, 1, NULL); + int c = lua_toboolean(L, 2); + if (c) { + lua_getuservalue(L, 1); /* push 'ktable' (may be used by 'finalfix') */ + finalfix(L, 0, NULL, tree); + lua_pop(L, 1); /* remove 'ktable' */ + } + printktable(L, 1); + printtree(tree, 0); + return 0; +} + + +static int lp_printcode (lua_State *L) { + Pattern *p = getpattern(L, 1); + printktable(L, 1); + if (p->code == NULL) /* not compiled yet? */ + prepcompile(L, p, 1); + printpatt(p->code, p->codesize); + return 0; +} + + +/* +** Get the initial position for the match, interpreting negative +** values from the end of the subject +*/ +static size_t initposition (lua_State *L, size_t len) { + lua_Integer ii = luaL_optinteger(L, 3, 1); + if (ii > 0) { /* positive index? */ + if ((size_t)ii <= len) /* inside the string? */ + return (size_t)ii - 1; /* return it (corrected to 0-base) */ + else return len; /* crop at the end */ + } + else { /* negative index */ + if ((size_t)(-ii) <= len) /* inside the string? */ + return len - ((size_t)(-ii)); /* return position from the end */ + else return 0; /* crop at the beginning */ + } +} + + +/* +** Main match function +*/ +static int lp_match (lua_State *L) { +#if defined(__aarch64__) && defined(MFLuaJIT) + Capture *capture; +#else + Capture capture[INITCAPSIZE]; +#endif + const char *r; + size_t l; + /*int ret_val;*/ + Pattern *p = (getpatt(L, 1, NULL), getpattern(L, 1)); + Instruction *code = (p->code != NULL) ? p->code : prepcompile(L, p, 1); + const char *s = luaL_checklstring(L, SUBJIDX, &l); + size_t i = initposition(L, l); + int ptop = lua_gettop(L); + lua_pushnil(L); /* initialize subscache */ +#if defined(__aarch64__) && defined(MFLuaJIT) + capture = (Capture *)lua_newuserdata(L, sizeof(Capture)*INITCAPSIZE); +#else + lua_pushlightuserdata(L, capture); /* initialize caplistidx */ +#endif + lua_getuservalue(L, 1); /* initialize penvidx */ + r = match(L, s, s + i, s + l, code, capture, ptop); + if (r == NULL) { + lua_pushnil(L); + return 1; + } + return getcaptures(L, s, r, ptop); +} + + + +/* +** {====================================================== +** Library creation and functions not related to matching +** ======================================================= +*/ + +/* maximum limit for stack size */ +#define MAXLIM (INT_MAX / 100) + +static int lp_setmax (lua_State *L) { + lua_Integer lim = luaL_checkinteger(L, 1); + luaL_argcheck(L, 0 < lim && lim <= MAXLIM, 1, "out of range"); + lua_settop(L, 1); + lua_setfield(L, LUA_REGISTRYINDEX, MAXSTACKIDX); + return 0; +} + + +static int lp_version (lua_State *L) { + lua_pushstring(L, VERSION); + return 1; +} + + +static int lp_type (lua_State *L) { + if (testpattern(L, 1)) + lua_pushliteral(L, "pattern"); + else + lua_pushnil(L); + return 1; +} + + +int lp_gc (lua_State *L) { + Pattern *p = getpattern(L, 1); + realloccode(L, p, 0); /* delete code block */ + return 0; +} + + +static void createcat (lua_State *L, const char *catname, int (catf) (int)) { + TTree *t = newcharset(L); + int i; + for (i = 0; i <= UCHAR_MAX; i++) + if (catf(i)) setchar(treebuffer(t), i); + lua_setfield(L, -2, catname); +} + + +static int lp_locale (lua_State *L) { + if (lua_isnoneornil(L, 1)) { + lua_settop(L, 0); + lua_createtable(L, 0, 12); + } + else { + luaL_checktype(L, 1, LUA_TTABLE); + lua_settop(L, 1); + } + createcat(L, "alnum", isalnum); + createcat(L, "alpha", isalpha); + createcat(L, "cntrl", iscntrl); + createcat(L, "digit", isdigit); + createcat(L, "graph", isgraph); + createcat(L, "lower", islower); + createcat(L, "print", isprint); + createcat(L, "punct", ispunct); + createcat(L, "space", isspace); + createcat(L, "upper", isupper); + createcat(L, "xdigit", isxdigit); + return 1; +} + + +static struct luaL_Reg pattreg[] = { + {"ptree", lp_printtree}, + {"pcode", lp_printcode}, + {"match", lp_match}, + {"B", lp_behind}, + {"V", lp_V}, + {"C", lp_simplecapture}, + {"Cc", lp_constcapture}, + {"Cmt", lp_matchtime}, + {"Cb", lp_backref}, + {"Carg", lp_argcapture}, + {"Cp", lp_poscapture}, + {"Cs", lp_substcapture}, + {"Ct", lp_tablecapture}, + {"Cf", lp_foldcapture}, + {"Cg", lp_groupcapture}, + {"P", lp_P}, + {"S", lp_set}, + {"R", lp_range}, + {"locale", lp_locale}, + {"version", lp_version}, + {"setmaxstack", lp_setmax}, + {"type", lp_type}, + {NULL, NULL} +}; + + +static struct luaL_Reg metareg[] = { + {"__mul", lp_seq}, + {"__add", lp_choice}, + {"__pow", lp_star}, + {"__gc", lp_gc}, + {"__len", lp_and}, + {"__div", lp_divcapture}, + {"__unm", lp_not}, + {"__sub", lp_sub}, + {NULL, NULL} +}; + + +int luaopen_lpeg (lua_State *L); +int luaopen_lpeg (lua_State *L) { + luaL_newmetatable(L, PATTERN_T); + lua_pushnumber(L, MAXBACK); /* initialize maximum backtracking */ + lua_setfield(L, LUA_REGISTRYINDEX, MAXSTACKIDX); + luaL_setfuncs(L, metareg, 0); +#if defined(MFLuaJIT) + luaL_register(L,"lpeg",pattreg); +#else + luaL_newlib(L, pattreg); +#endif + lua_pushvalue(L, -1); + lua_setfield(L, -3, "__index"); + return 1; +} + + +int mfluaopen_lpeg(lua_State * L); +int mfluaopen_lpeg(lua_State * L) { + lua_getglobal(L,"_G"); + /* set the lpeg table */ + lua_pushstring(L,"lpeg"); + luaopen_lpeg(L); + lua_settable(L, -3); + return 1; +} + + +/* }====================================================== */ diff --git a/Build/source/texk/web2c/mfluadir/luapeg/lpeg.h b/Build/source/texk/web2c/mfluadir/luapeg/lpeg.h new file mode 100644 index 00000000000..fead2fdc93a --- /dev/null +++ b/Build/source/texk/web2c/mfluadir/luapeg/lpeg.h @@ -0,0 +1,432 @@ +/* +** $Id: lptypes.h,v 1.16 2017/01/13 13:33:17 roberto Exp $ +** LPeg - PEG pattern matching for Lua +** Copyright 2007-2017, Lua.org & PUC-Rio (see 'lpeg.html' for license) +** written by Roberto Ierusalimschy +*/ + +/* + "Amalgamated" version for Lua(jit)TeX written by Scarso Luigi. +*/ + + +#if !defined(lptypes_h) +#define lptypes_h + +#define LPEG_DEBUG +#if !defined(LPEG_DEBUG) +#define NDEBUG +#endif + +#include +#include +/* added */ +#include +#include +#include + + +#include "lua.h" +#include "lauxlib.h" + +#define VERSION "1.0.1" + + +#define PATTERN_T "lpeg-pattern" +#define MAXSTACKIDX "lpeg-maxstack" + + +/* +** compatibility with Lua 5.1 +*/ +#if (LUA_VERSION_NUM == 501) + +#define lp_equal lua_equal + +#define lua_getuservalue lua_getfenv +#define lua_setuservalue lua_setfenv + +#define lua_rawlen lua_objlen + +#define luaL_setfuncs(L,f,n) luaL_register(L,NULL,f) +#if !defined(MFLuaJIT) +#define luaL_newlib(L,f) luaL_register(L,"lpeg",f) +#endif +#endif + + +#if !defined(lp_equal) +#define lp_equal(L,idx1,idx2) lua_compare(L,(idx1),(idx2),LUA_OPEQ) +#endif + + +/* default maximum size for call/backtrack stack */ +#if !defined(MAXBACK) +#define MAXBACK 400 +#endif + + +/* maximum number of rules in a grammar */ +#if !defined(MAXRULES) +#define MAXRULES 1000 +#endif + + + +/* initial size for capture's list */ +#define INITCAPSIZE 32 + + +/* index, on Lua stack, for subject */ +#define SUBJIDX 2 + +/* number of fixed arguments to 'match' (before capture arguments) */ +#define FIXEDARGS 3 + +/* index, on Lua stack, for capture list */ +#define caplistidx(ptop) ((ptop) + 2) + +/* index, on Lua stack, for pattern's ktable */ +#define ktableidx(ptop) ((ptop) + 3) + +/* index, on Lua stack, for backtracking stack */ +#define stackidx(ptop) ((ptop) + 4) + + + +typedef unsigned char byte; + + +#define BITSPERCHAR 8 + +#define CHARSETSIZE ((UCHAR_MAX/BITSPERCHAR) + 1) + + + +typedef struct Charset { + byte cs[CHARSETSIZE]; +} Charset; + + + +#define loopset(v,b) { int v; for (v = 0; v < CHARSETSIZE; v++) {b;} } + +/* access to charset */ +#define treebuffer(t) ((byte *)((t) + 1)) + +/* number of slots needed for 'n' bytes */ +#define bytes2slots(n) (((n) - 1) / sizeof(TTree) + 1) + +/* set 'b' bit in charset 'cs' */ +#define setchar(cs,b) ((cs)[(b) >> 3] |= (1 << ((b) & 7))) + + +/* +** in capture instructions, 'kind' of capture and its offset are +** packed in field 'aux', 4 bits for each +*/ +#define getkind(op) ((op)->i.aux & 0xF) +#define getoff(op) (((op)->i.aux >> 4) & 0xF) +#define joinkindoff(k,o) ((k) | ((o) << 4)) + +#define MAXOFF 0xF +#define MAXAUX 0xFF + + +/* maximum number of bytes to look behind */ +#define MAXBEHIND MAXAUX + + +/* maximum size (in elements) for a pattern */ +#define MAXPATTSIZE (SHRT_MAX - 10) + + +/* size (in elements) for an instruction plus extra l bytes */ +#define instsize(l) (((l) + sizeof(Instruction) - 1)/sizeof(Instruction) + 1) + + +/* size (in elements) for a ISet instruction */ +#define CHARSETINSTSIZE instsize(CHARSETSIZE) + +/* size (in elements) for a IFunc instruction */ +#define funcinstsize(p) ((p)->i.aux + 2) + + + +#define testchar(st,c) (((int)(st)[((c) >> 3)] & (1 << ((c) & 7)))) + + +#endif + +/* +** $Id: lpcap.h,v 1.3 2016/09/13 17:45:58 roberto Exp $ +*/ + +#if !defined(lpcap_h) +#define lpcap_h + + +/* #include "lptypes.h" */ + + +/* kinds of captures */ +typedef enum CapKind { + Cclose, /* not used in trees */ + Cposition, + Cconst, /* ktable[key] is Lua constant */ + Cbackref, /* ktable[key] is "name" of group to get capture */ + Carg, /* 'key' is arg's number */ + Csimple, /* next node is pattern */ + Ctable, /* next node is pattern */ + Cfunction, /* ktable[key] is function; next node is pattern */ + Cquery, /* ktable[key] is table; next node is pattern */ + Cstring, /* ktable[key] is string; next node is pattern */ + Cnum, /* numbered capture; 'key' is number of value to return */ + Csubst, /* substitution capture; next node is pattern */ + Cfold, /* ktable[key] is function; next node is pattern */ + Cruntime, /* not used in trees (is uses another type for tree) */ + Cgroup /* ktable[key] is group's "name" */ +} CapKind; + + +typedef struct Capture { + const char *s; /* subject position */ + unsigned short idx; /* extra info (group name, arg index, etc.) */ + byte kind; /* kind of capture */ + byte siz; /* size of full capture + 1 (0 = not a full capture) */ +} Capture; + + +typedef struct CapState { + Capture *cap; /* current capture */ + Capture *ocap; /* (original) capture list */ + lua_State *L; + int ptop; /* index of last argument to 'match' */ + const char *s; /* original string */ + int valuecached; /* value stored in cache slot */ +} CapState; + + +int runtimecap (CapState *cs, Capture *close, const char *s, int *rem); +int getcaptures (lua_State *L, const char *s, const char *r, int ptop); +int finddyncap (Capture *cap, Capture *last); + +#endif + + +/* +** $Id: lptree.h,v 1.3 2016/09/13 18:07:51 roberto Exp $ +*/ + +#if !defined(lptree_h) +#define lptree_h + + +/* #include "lptypes.h" */ + + +/* +** types of trees +*/ +typedef enum TTag { + TChar = 0, /* 'n' = char */ + TSet, /* the set is stored in next CHARSETSIZE bytes */ + TAny, + TTrue, + TFalse, + TRep, /* 'sib1'* */ + TSeq, /* 'sib1' 'sib2' */ + TChoice, /* 'sib1' / 'sib2' */ + TNot, /* !'sib1' */ + TAnd, /* &'sib1' */ + TCall, /* ktable[key] is rule's key; 'sib2' is rule being called */ + TOpenCall, /* ktable[key] is rule's key */ + TRule, /* ktable[key] is rule's key (but key == 0 for unused rules); + 'sib1' is rule's pattern; + 'sib2' is next rule; 'cap' is rule's sequential number */ + TGrammar, /* 'sib1' is initial (and first) rule */ + TBehind, /* 'sib1' is pattern, 'n' is how much to go back */ + TCapture, /* captures: 'cap' is kind of capture (enum 'CapKind'); + ktable[key] is Lua value associated with capture; + 'sib1' is capture body */ + TRunTime /* run-time capture: 'key' is Lua function; + 'sib1' is capture body */ +} TTag; + + +/* +** Tree trees +** The first child of a tree (if there is one) is immediately after +** the tree. A reference to a second child (ps) is its position +** relative to the position of the tree itself. +*/ +typedef struct TTree { + byte tag; + byte cap; /* kind of capture (if it is a capture) */ + unsigned short key; /* key in ktable for Lua data (0 if no key) */ + union { + int ps; /* occasional second child */ + int n; /* occasional counter */ + } u; +} TTree; + + +/* +** A complete pattern has its tree plus, if already compiled, +** its corresponding code +*/ +typedef struct Pattern { + union Instruction *code; + int codesize; + TTree tree[1]; +} Pattern; + + +/* number of children for each tree */ +extern const byte numsiblings[]; + +/* access to children */ +#define sib1(t) ((t) + 1) +#define sib2(t) ((t) + (t)->u.ps) + + + + + + +#endif + +/* +** $Id: lpvm.h,v 1.3 2014/02/21 13:06:41 roberto Exp $ +*/ + +#if !defined(lpvm_h) +#define lpvm_h + +/* #include "lpcap.h" */ + + +/* Virtual Machine's instructions */ +typedef enum Opcode { + IAny, /* if no char, fail */ + IChar, /* if char != aux, fail */ + ISet, /* if char not in buff, fail */ + ITestAny, /* in no char, jump to 'offset' */ + ITestChar, /* if char != aux, jump to 'offset' */ + ITestSet, /* if char not in buff, jump to 'offset' */ + ISpan, /* read a span of chars in buff */ + IBehind, /* walk back 'aux' characters (fail if not possible) */ + IRet, /* return from a rule */ + IEnd, /* end of pattern */ + IChoice, /* stack a choice; next fail will jump to 'offset' */ + IJmp, /* jump to 'offset' */ + ICall, /* call rule at 'offset' */ + IOpenCall, /* call rule number 'key' (must be closed to a ICall) */ + ICommit, /* pop choice and jump to 'offset' */ + IPartialCommit, /* update top choice to current position and jump */ + IBackCommit, /* "fails" but jump to its own 'offset' */ + IFailTwice, /* pop one choice and then fail */ + IFail, /* go back to saved state on choice and jump to saved offset */ + IGiveup, /* internal use */ + IFullCapture, /* complete capture of last 'off' chars */ + IOpenCapture, /* start a capture */ + ICloseCapture, + ICloseRunTime +} Opcode; + + + +typedef union Instruction { + struct Inst { + byte code; + byte aux; + short key; + } i; + int offset; + byte buff[1]; +} Instruction; + + +void printpatt (Instruction *p, int n); +const char *match (lua_State *L, const char *o, const char *s, const char *e, + Instruction *op, Capture *capture, int ptop); + + +#endif + +/* +** $Id: lpcode.h,v 1.8 2016/09/15 17:46:13 roberto Exp $ +*/ + +#if !defined(lpcode_h) +#define lpcode_h + +/*#include "lua.h"*/ + +/* #include "lptypes.h" */ +/* #include "lptree.h" */ +/* #include "lpvm.h" */ + +int tocharset (TTree *tree, Charset *cs); +int checkaux (TTree *tree, int pred); +int fixedlen (TTree *tree); +int hascaptures (TTree *tree); +int lp_gc (lua_State *L); +Instruction *compile (lua_State *L, Pattern *p); +void realloccode (lua_State *L, Pattern *p, int nsize); +int sizei (const Instruction *i); + + +#define PEnullable 0 +#define PEnofail 1 + +/* +** nofail(t) implies that 't' cannot fail with any input +*/ +#define nofail(t) checkaux(t, PEnofail) + +/* +** (not nullable(t)) implies 't' cannot match without consuming +** something +*/ +#define nullable(t) checkaux(t, PEnullable) + + + +#endif +/* +** $Id: lpprint.h,v 1.2 2015/06/12 18:18:08 roberto Exp $ +*/ + + +#if !defined(lpprint_h) +#define lpprint_h + + +/* #include "lptree.h" */ +/* #include "lpvm.h" */ + + +#if defined(LPEG_DEBUG) + +void printpatt (Instruction *p, int n); +void printtree (TTree *tree, int ident); +void printktable (lua_State *L, int idx); +void printcharset (const byte *st); +void printcaplist (Capture *cap, Capture *limit); +void printinst (const Instruction *op, const Instruction *p); + +#else + +#define printktable(L,idx) \ + luaL_error(L, "function only implemented in debug mode") +#define printtree(tree,i) \ + luaL_error(L, "function only implemented in debug mode") +#define printpatt(p,n) \ + luaL_error(L, "function only implemented in debug mode") + +#endif + + +#endif + diff --git a/Build/source/texk/web2c/mfluadir/mflua_svnversion.h b/Build/source/texk/web2c/mfluadir/mflua_svnversion.h new file mode 100644 index 00000000000..70c20776e33 --- /dev/null +++ b/Build/source/texk/web2c/mfluadir/mflua_svnversion.h @@ -0,0 +1 @@ +#define mflua_svn_revision "80" diff --git a/Build/source/texk/web2c/mfluadir/mflua_version.h b/Build/source/texk/web2c/mfluadir/mflua_version.h index 45244c96c3b..3f4210bd884 100644 --- a/Build/source/texk/web2c/mfluadir/mflua_version.h +++ b/Build/source/texk/web2c/mfluadir/mflua_version.h @@ -1,2 +1,2 @@ #define MFLUA_VERSION "1.0.0-alpha" -#define BANNER "This is MFLua, Version 2.71828182-" MFLUA_VERSION +#define BANNER "This is MFLua, Version 2.71828182-" MFLUA_VERSION diff --git a/Build/source/texk/web2c/mfluadir/mfluac.c b/Build/source/texk/web2c/mfluadir/mfluac.c index 82d8a04927f..5fa509150cb 100644 --- a/Build/source/texk/web2c/mfluadir/mfluac.c +++ b/Build/source/texk/web2c/mfluadir/mfluac.c @@ -17,7 +17,11 @@ #include #endif +#include "potrace/luafunc.h" +#include "luapeg/lpeg.h" + +/* otfcc */ #if defined(NO_OTFCC) /* */ #else @@ -25,6 +29,9 @@ extern int otfcc_build(int argc, char *argv[]); extern int otfcc_dump(int argc, char *argv[]); #endif +extern int luaopen_lpeg(lua_State *L); +extern int mfluaopen_lpeg(lua_State * L); + /* See shell_cmd_is_allowed below */ int shellenabledp = 1; int restrictedshell = 0; @@ -482,10 +489,17 @@ static int priv_mflua_banner(lua_State *L) return 1; } +static int priv_mflua_developid(lua_State *L) +{ + lua_pushstring(L,mflua_svn_revision); + return 1; +} + + /**************************************************************/ /* */ -/* otfcc private functions */ +/* Adapters for LuaJIT */ /* */ /**************************************************************/ @@ -520,8 +534,22 @@ static int lua_geti (lua_State *L, int index, lua_Integer i) { lua_gettable(L, index); return lua_type(L, -1); } +static void lua_seti (lua_State *L, int index, lua_Integer i) { + index = lua_absindex(L, index); + lua_pushinteger(L, i); + lua_insert(L, -2); + lua_settable(L, index); +} #endif + +/**************************************************************/ +/* */ +/* otfcc private functions */ +/* */ +/**************************************************************/ + + static int priv_mflua_otf_dump(lua_State *L) { if (!lua_istable(L, -1)) { fprintf(stderr, "! dump: expected a table\n"); @@ -632,6 +660,182 @@ static int priv_mflua_otf_build(lua_State *L) { } +/**************************************************************/ +/* */ +/* private potrace layer */ +/* */ +/**************************************************************/ + + +static int priv_mflua_potrace_build(lua_State *L) { + int w,h; + size_t l; + const uint8_t *raster; + MFoutlines_param_t opt_param; + potrace_state_t *trace; + potrace_path_t *p; + potrace_dpoint_t (*c)[3]; + double xoffs,yoffs; + int n,i,*tag,jj; + + w=h=0; + raster=NULL; + l=0; + opt_param.xoffs = opt_param.yoffs = 0.0; + opt_param.potrace_param = NULL; + trace = NULL; + + raster = (const uint8_t*) luaL_checklstring(L,1,&l); + if (raster==NULL) { + fprintf(stderr,"! raster is empty\n"); + lua_settop(L,0); + return 0; + } + w = (int)luaL_checkinteger(L,2); + h = (int)luaL_checkinteger(L,3); + + if ( (w%8==0? w/8:(w/8+1))*h != l) { + fprintf(stderr,"! raster dimension is wrong\n"); + lua_settop(L,0); + return 0; + } + + /* optional param table */ + if (lua_istable(L,4)){ + lua_getfield(L,4, "xoffs"); + if (lua_isnumber(L,-1)){ + opt_param.xoffs = (double)lua_tonumber(L,-1); + } + lua_pop(L,1); + lua_getfield(L,4, "yoffs"); + if (lua_isnumber(L,-1)){ + opt_param.yoffs = (double)lua_tonumber(L,-1); + } + lua_pop(L,1); + lua_getfield(L,4, "potrace_params"); + if (lua_istable(L,-1)){ + opt_param.potrace_param = potrace_param_default(); + if (!opt_param.potrace_param) { + fprintf(stderr, "! Error allocating potrace_param: %s\n", strerror(errno)); + lua_settop(L,0); + return 0; + } + lua_getfield(L,-1,"turdsize"); if(lua_isnumber(L,-1)){opt_param.potrace_param->turdsize =(int)(lua_tonumber(L,-1)) ;};lua_pop(L,1); + lua_getfield(L,-1,"alphamax"); if(lua_isnumber(L,-1)){opt_param.potrace_param->alphamax =(double)(lua_tonumber(L,-1));};lua_pop(L,1); + lua_getfield(L,-1,"opticurve"); if(lua_isnumber(L,-1)){opt_param.potrace_param->opticurve =(int)(lua_tonumber(L,-1)) ;};lua_pop(L,1); + lua_getfield(L,-1,"opttolerance"); if(lua_isnumber(L,-1)){opt_param.potrace_param->opttolerance=(double)(lua_tonumber(L,-1));};lua_pop(L,1); + lua_getfield(L,-1,"turnpolicy"); + if(lua_isnumber(L,-1)){ + switch ((int)(lua_tonumber(L,-1))) { + case 1: + opt_param.potrace_param->turnpolicy = POTRACE_TURNPOLICY_BLACK; + break; + case 2: + opt_param.potrace_param->turnpolicy = POTRACE_TURNPOLICY_WHITE; + break; + case 3: + opt_param.potrace_param->turnpolicy = POTRACE_TURNPOLICY_LEFT; + break; + case 4: + opt_param.potrace_param->turnpolicy = POTRACE_TURNPOLICY_RIGHT; + break; + case 5: + opt_param.potrace_param->turnpolicy = POTRACE_TURNPOLICY_MINORITY; + break; + case 6: + opt_param.potrace_param->turnpolicy = POTRACE_TURNPOLICY_MAJORITY; + break;; + case 7: + opt_param.potrace_param->turnpolicy = POTRACE_TURNPOLICY_RANDOM; + break; + default: + break; + } + } + lua_pop(L,1); + } + } + lua_pop(L,1); + + if (potrace_getMFoutlines(raster,w,h,opt_param,&trace)) { + lua_settop(L,0); + return 0; + } + + jj=1; + lua_newtable(L); // main table + + xoffs = opt_param.xoffs;yoffs = opt_param.yoffs; + //printf("%%%%!PS-Adobe-3.0 EPSF-3.0\n"); + //printf("%%%%Creator: MFLua / potrace 1.16, written by Peter Selinger 2001-2019\n"); + //printf("%%%%BoundingBox: %d %d %d %d\n", (int)(xoffs),(int)(yoffs), w, h); + //printf("%%%%HiResBoundingBox: %f %f %f %f\n",xoffs,yoffs, (double)(w), (double)(h)); + //printf("%%%%Pages: 1\n"); + //printf("%%%%EndComments\n"); + //printf("gsave\n"); + /* draw each curve */ + p = trace->plist; + while (p != NULL) { + double px,py,c1x,c1y,c2x,c2y,qx,qy; + int j=1; + lua_newtable(L); // table for the cycle + n = p->curve.n; + tag = p->curve.tag; + c = p->curve.c; + //printf("%f %f moveto\n", c[n-1][2].x+xoffs, c[n-1][2].y+yoffs); + px=c[n-1][2].x+xoffs;py=c[n-1][2].y+yoffs; //lua_pushnumber(L,py);lua_pushnumber(L,px);lua_seti(L,-3,j++);lua_seti(L,-2,j++); + for (i=0; inext == NULL || p->next->sign == '+') { + //printf("0 setgray fill\n"); + lua_pushstring (L,"+");lua_seti(L,-2,j++); + } else if(p->next->sign == '-') { + lua_pushstring (L,"-");lua_seti(L,-2,j++); + } + /* save the cycle into the main table */ + lua_seti(L,-2,jj++); + p = p->next; + } + //printf("grestore\n"); + //printf("%%%%EOF\n"); + + if (trace) { + potrace_state_free(trace); + } + if(opt_param.potrace_param){ + potrace_param_free(opt_param.potrace_param); + } + lua_settop(L,-1); + return 1; + //return 0; + +} /**************************************************************/ /* */ @@ -675,6 +879,7 @@ static const struct luaL_Reg MFbuiltin_l[] = { {"turning_number", priv_mfweb_LUAGLOBALGET_turning_number}, {"mflua_version",priv_mflua_version}, {"mflua_banner",priv_mflua_banner}, + {"mflua_developid",priv_mflua_developid}, {NULL, NULL} /* sentinel */ }; @@ -684,6 +889,12 @@ static struct luaL_Reg mflua_otfcc[] = { { NULL, NULL} }; +static struct luaL_Reg mflua_trace[] = { + { "trace", priv_mflua_potrace_build }, + { NULL, NULL} +}; + + #define lua_swap(L) lua_insert(L, -2) @@ -710,6 +921,17 @@ int mfluabeginprogram(void) luaopen_kpse(L); /* to be sure of having a clear stack */ lua_settop(L,0); + /* lpeg */ +#ifdef MFLuaJIT + lua_pushcfunction(L, luaopen_lpeg); + lua_pushstring(L, "lpeg"); + lua_call(L, 1, 0); +#else + luaL_requiref(L, "lpeg",luaopen_lpeg,1); + lua_pop(L, 1); +#endif + /* to be sure of having a clear stack */ + lua_settop(L,0); lua_getglobal(L, "mflua"); @@ -722,6 +944,8 @@ int mfluabeginprogram(void) if (!lua_istable(L, -1)) { printf("mflua table NOT registered!\n"); } else { + + /* set the MFbuiltin table */ lua_pushstring(L,"MFbuiltin"); #ifdef MFLuaJIT /* 5.1 */ @@ -732,6 +956,7 @@ int mfluabeginprogram(void) luaL_newlib(L,MFbuiltin_l); #endif lua_settable(L, -3); + /* set the otfcc table */ lua_pushstring(L,"otf"); #ifdef MFLuaJIT @@ -742,7 +967,17 @@ int mfluabeginprogram(void) luaL_newlib(L,mflua_otfcc); #endif lua_settable(L, -3); - + + /* set the trace table */ + lua_pushstring(L,"trace"); +#ifdef MFLuaJIT + /* 5.1 */ + lua_newtable(L); + luaL_register (L,NULL,mflua_trace); +#else + luaL_newlib(L,mflua_trace); +#endif + lua_settable(L, -3); } lua_pop(L,1); } @@ -770,8 +1005,11 @@ int mfluabeginprogram(void) GETGLOBALTABLEMFLUA(mfluabeginprogram); if (lua_istable(L, -1)) { lua_getfield(L,-1,"begin_program"); - if((res=lua_pcall(L,0,0,0))) + if((res=lua_pcall(L,0,0,0))) { + lua_pushstring(L,"error in begin_program:"); + lua_swap(L);lua_concat (L, 2); priv_lua_reporterrors(L, res); + } } EXIT: lua_settop(L,0); diff --git a/Build/source/texk/web2c/mfluadir/mfluac.h b/Build/source/texk/web2c/mfluadir/mfluac.h index ed793cfc5c0..f5f052a6a26 100644 --- a/Build/source/texk/web2c/mfluadir/mfluac.h +++ b/Build/source/texk/web2c/mfluadir/mfluac.h @@ -1,6 +1,7 @@ #ifndef MFLUAC_H #define MFLUAC_H +#include #include extern int mfluabeginprogram(void); extern int mfluaPREstartofMF(void); @@ -54,4 +55,6 @@ extern int shell_cmd_is_allowed(const char *, char **, char **); #include extern int luaopen_kpse(lua_State * L); +#include + #endif /* MFLUAC_H */ diff --git a/Build/source/texk/web2c/mfluadir/potrace/auxiliary.h b/Build/source/texk/web2c/mfluadir/potrace/auxiliary.h new file mode 100644 index 00000000000..6ac2713a63e --- /dev/null +++ b/Build/source/texk/web2c/mfluadir/potrace/auxiliary.h @@ -0,0 +1,80 @@ +/* Copyright (C) 2001-2019 Peter Selinger. + This file is part of Potrace. It is free software and it is covered + by the GNU General Public License. See the file COPYING for details. */ + +/* This header file collects some general-purpose macros (and static + inline functions) that are used in various places. */ + +#ifndef AUXILIARY_H +#define AUXILIARY_H + +#ifdef HAVE_CONFIG_H +#include +#endif + +#include + +/* ---------------------------------------------------------------------- */ +/* point arithmetic */ + +#include "potracelib.h" + +struct point_s { + long x; + long y; +}; +typedef struct point_s point_t; + +typedef potrace_dpoint_t dpoint_t; + +/* convert point_t to dpoint_t */ +static inline dpoint_t dpoint(point_t p) { + dpoint_t res; + res.x = p.x; + res.y = p.y; + return res; +} + +/* range over the straight line segment [a,b] when lambda ranges over [0,1] */ +static inline dpoint_t interval(double lambda, dpoint_t a, dpoint_t b) { + dpoint_t res; + + res.x = a.x + lambda * (b.x - a.x); + res.y = a.y + lambda * (b.y - a.y); + return res; +} + +/* ---------------------------------------------------------------------- */ +/* some useful macros. Note: the "mod" macro works correctly for + negative a. Also note that the test for a>=n, while redundant, + speeds up the mod function by 70% in the average case (significant + since the program spends about 16% of its time here - or 40% + without the test). The "floordiv" macro returns the largest integer + <= a/n, and again this works correctly for negative a, as long as + a,n are integers and n>0. */ + +/* integer arithmetic */ + +static inline int mod(int a, int n) { + return a>=n ? a%n : a>=0 ? a : n-1-(-1-a)%n; +} + +static inline int floordiv(int a, int n) { + return a>=0 ? a/n : -1-(-1-a)/n; +} + +/* Note: the following work for integers and other numeric types. */ +#undef sign +#undef abs +#undef min +#undef max +#undef sq +#undef cu +#define sign(x) ((x)>0 ? 1 : (x)<0 ? -1 : 0) +#define abs(a) ((a)>0 ? (a) : -(a)) +#define min(a,b) ((a)<(b) ? (a) : (b)) +#define max(a,b) ((a)>(b) ? (a) : (b)) +#define sq(a) ((a)*(a)) +#define cu(a) ((a)*(a)*(a)) + +#endif /* AUXILIARY_H */ diff --git a/Build/source/texk/web2c/mfluadir/potrace/bitmap.h b/Build/source/texk/web2c/mfluadir/potrace/bitmap.h new file mode 100644 index 00000000000..c5685746896 --- /dev/null +++ b/Build/source/texk/web2c/mfluadir/potrace/bitmap.h @@ -0,0 +1,228 @@ +/* Copyright (C) 2001-2019 Peter Selinger. + This file is part of Potrace. It is free software and it is covered + by the GNU General Public License. See the file COPYING for details. */ + +#ifndef BITMAP_H +#define BITMAP_H + +#include +#include +#include +#include + +/* The bitmap type is defined in potracelib.h */ +#include "potracelib.h" + +/* The present file defines some convenient macros and static inline + functions for accessing bitmaps. Since they only produce inline + code, they can be conveniently shared by the library and frontends, + if desired */ + +/* ---------------------------------------------------------------------- */ +/* some measurements */ + +#define BM_WORDSIZE ((int)sizeof(potrace_word)) +#define BM_WORDBITS (8*BM_WORDSIZE) +#define BM_HIBIT (((potrace_word)1)<<(BM_WORDBITS-1)) +#define BM_ALLBITS (~(potrace_word)0) + +/* macros for accessing pixel at index (x,y). U* macros omit the + bounds check. */ + +#define bm_scanline(bm, y) ((bm)->map + (ptrdiff_t)(y)*(ptrdiff_t)(bm)->dy) +#define bm_index(bm, x, y) (&bm_scanline(bm, y)[(x)/BM_WORDBITS]) +#define bm_mask(x) (BM_HIBIT >> ((x) & (BM_WORDBITS-1))) +#define bm_range(x, a) ((int)(x) >= 0 && (int)(x) < (a)) +#define bm_safe(bm, x, y) (bm_range(x, (bm)->w) && bm_range(y, (bm)->h)) +#define BM_UGET(bm, x, y) ((*bm_index(bm, x, y) & bm_mask(x)) != 0) +#define BM_USET(bm, x, y) (*bm_index(bm, x, y) |= bm_mask(x)) +#define BM_UCLR(bm, x, y) (*bm_index(bm, x, y) &= ~bm_mask(x)) +#define BM_UINV(bm, x, y) (*bm_index(bm, x, y) ^= bm_mask(x)) +#define BM_UPUT(bm, x, y, b) ((b) ? BM_USET(bm, x, y) : BM_UCLR(bm, x, y)) +#define BM_GET(bm, x, y) (bm_safe(bm, x, y) ? BM_UGET(bm, x, y) : 0) +#define BM_SET(bm, x, y) (bm_safe(bm, x, y) ? BM_USET(bm, x, y) : 0) +#define BM_CLR(bm, x, y) (bm_safe(bm, x, y) ? BM_UCLR(bm, x, y) : 0) +#define BM_INV(bm, x, y) (bm_safe(bm, x, y) ? BM_UINV(bm, x, y) : 0) +#define BM_PUT(bm, x, y, b) (bm_safe(bm, x, y) ? BM_UPUT(bm, x, y, b) : 0) + +/* calculate the size, in bytes, required for the data area of a + bitmap of the given dy and h. Assume h >= 0. Return -1 if the size + does not fit into the ptrdiff_t type. */ +static inline ptrdiff_t getsize(int dy, int h) { + ptrdiff_t size; + + if (dy < 0) { + dy = -dy; + } + + size = (ptrdiff_t)dy * (ptrdiff_t)h * (ptrdiff_t)BM_WORDSIZE; + + /* check for overflow error */ + if (size < 0 || (h != 0 && dy != 0 && size / h / dy != BM_WORDSIZE)) { + return -1; + } + + return size; +} + +/* return the size, in bytes, of the data area of the bitmap. Return + -1 if the size does not fit into the ptrdiff_t type; however, this + cannot happen if the bitmap is well-formed, i.e., if created with + bm_new or bm_dup. */ +static inline ptrdiff_t bm_size(const potrace_bitmap_t *bm) { + return getsize(bm->dy, bm->h); +} + +/* calculate the base address of the bitmap data. Assume that the + bitmap is well-formed, i.e., its size fits into the ptrdiff_t type. + This is the case if created with bm_new or bm_dup. The base address + may differ from bm->map if dy is negative */ +static inline potrace_word *bm_base(const potrace_bitmap_t *bm) { + int dy = bm->dy; + + if (dy >= 0 || bm->h == 0) { + return bm->map; + } else { + return bm_scanline(bm, bm->h - 1); + } +} + +/* free the given bitmap. Leaves errno untouched. */ +static inline void bm_free(potrace_bitmap_t *bm) { + if (bm && bm->map) { + free(bm_base(bm)); + } + free(bm); +} + +/* return new bitmap initialized to 0. NULL with errno on error. + Assumes w, h >= 0. */ +static inline potrace_bitmap_t *bm_new(int w, int h) { + potrace_bitmap_t *bm; + int dy = w == 0 ? 0 : (w - 1) / BM_WORDBITS + 1; + ptrdiff_t size; + + size = getsize(dy, h); + if (size < 0) { + errno = ENOMEM; + return NULL; + } + if (size == 0) { + size = BM_WORDSIZE; /* make sure calloc() doesn't return NULL */ + } + + bm = (potrace_bitmap_t *) malloc(sizeof(potrace_bitmap_t)); + if (!bm) { + return NULL; + } + bm->w = w; + bm->h = h; + bm->dy = dy; + bm->map = (potrace_word *) calloc(1, size); + if (!bm->map) { + free(bm); + return NULL; + } + return bm; +} + +/* clear the given bitmap. Set all bits to c. Assumes a well-formed + bitmap. */ +static inline void bm_clear(potrace_bitmap_t *bm, int c) { + /* Note: if the bitmap was created with bm_new, then it is + guaranteed that size will fit into the ptrdiff_t type. */ + ptrdiff_t size = bm_size(bm); + memset(bm_base(bm), c ? -1 : 0, size); +} + +/* duplicate the given bitmap. Return NULL on error with errno + set. Assumes a well-formed bitmap. */ +static inline potrace_bitmap_t *bm_dup(const potrace_bitmap_t *bm) { + potrace_bitmap_t *bm1 = bm_new(bm->w, bm->h); + int y; + + if (!bm1) { + return NULL; + } + for (y=0; y < bm->h; y++) { + memcpy(bm_scanline(bm1, y), bm_scanline(bm, y), (size_t)bm1->dy * (size_t)BM_WORDSIZE); + } + return bm1; +} + +/* invert the given bitmap. */ +static inline void bm_invert(potrace_bitmap_t *bm) { + int dy = bm->dy; + int y; + int i; + potrace_word *p; + + if (dy < 0) { + dy = -dy; + } + + for (y=0; y < bm->h; y++) { + p = bm_scanline(bm, y); + for (i=0; i < dy; i++) { + p[i] ^= BM_ALLBITS; + } + } +} + +/* turn the given bitmap upside down. This does not move the bitmap + data or change the bm_base() address. */ +static inline void bm_flip(potrace_bitmap_t *bm) { + int dy = bm->dy; + + if (bm->h == 0 || bm->h == 1) { + return; + } + + bm->map = bm_scanline(bm, bm->h - 1); + bm->dy = -dy; +} + +/* resize the bitmap to the given new height. The bitmap data remains + bottom-aligned (truncated at the top) when dy >= 0 and top-aligned + (truncated at the bottom) when dy < 0. Return 0 on success, or 1 on + error with errno set. If the new height is <= the old one, no error + should occur. If the new height is larger, the additional bitmap + data is *not* initialized. */ +static inline int bm_resize(potrace_bitmap_t *bm, int h) { + int dy = bm->dy; + ptrdiff_t newsize; + potrace_word *newmap; + + if (dy < 0) { + bm_flip(bm); + } + + newsize = getsize(dy, h); + if (newsize < 0) { + errno = ENOMEM; + goto error; + } + if (newsize == 0) { + newsize = BM_WORDSIZE; /* make sure realloc() doesn't return NULL */ + } + + newmap = (potrace_word *)realloc(bm->map, newsize); + if (newmap == NULL) { + goto error; + } + bm->map = newmap; + bm->h = h; + + if (dy < 0) { + bm_flip(bm); + } + return 0; + + error: + if (dy < 0) { + bm_flip(bm); + } + return 1; +} + +#endif /* BITMAP_H */ diff --git a/Build/source/texk/web2c/mfluadir/potrace/config.h b/Build/source/texk/web2c/mfluadir/potrace/config.h new file mode 100644 index 00000000000..24d8ea1bf0a --- /dev/null +++ b/Build/source/texk/web2c/mfluadir/potrace/config.h @@ -0,0 +1,5 @@ +#ifndef CONFIG_H +#define CONFIG_H +#define VERSION "1.16" +#define HAVE_INTTYPES_H 1 +#endif diff --git a/Build/source/texk/web2c/mfluadir/potrace/curve.c b/Build/source/texk/web2c/mfluadir/potrace/curve.c new file mode 100644 index 00000000000..81e02bb7d2a --- /dev/null +++ b/Build/source/texk/web2c/mfluadir/potrace/curve.c @@ -0,0 +1,112 @@ +/* Copyright (C) 2001-2019 Peter Selinger. + This file is part of Potrace. It is free software and it is covered + by the GNU General Public License. See the file COPYING for details. */ + +/* private part of the path and curve data structures */ + +#ifdef HAVE_CONFIG_H +#include +#endif + +#include +#include +#include + +#include "potracelib.h" +#include "lists.h" +#include "curve.h" + +#define SAFE_CALLOC(var, n, typ) \ + if ((var = (typ *)calloc(n, sizeof(typ))) == NULL) goto calloc_error + +/* ---------------------------------------------------------------------- */ +/* allocate and free path objects */ + +path_t *path_new(void) { + path_t *p = NULL; + privpath_t *priv = NULL; + + SAFE_CALLOC(p, 1, path_t); + memset(p, 0, sizeof(path_t)); + SAFE_CALLOC(priv, 1, privpath_t); + memset(priv, 0, sizeof(privpath_t)); + p->priv = priv; + return p; + + calloc_error: + free(p); + free(priv); + return NULL; +} + +/* free the members of the given curve structure. Leave errno unchanged. */ +static void privcurve_free_members(privcurve_t *curve) { + free(curve->tag); + free(curve->c); + free(curve->vertex); + free(curve->alpha); + free(curve->alpha0); + free(curve->beta); +} + +/* free a path. Leave errno untouched. */ +void path_free(path_t *p) { + if (p) { + if (p->priv) { + free(p->priv->pt); + free(p->priv->lon); + free(p->priv->sums); + free(p->priv->po); + privcurve_free_members(&p->priv->curve); + privcurve_free_members(&p->priv->ocurve); + } + free(p->priv); + /* do not free p->fcurve ! */ + } + free(p); +} + +/* free a pathlist, leaving errno untouched. */ +void pathlist_free(path_t *plist) { + path_t *p; + + list_forall_unlink(p, plist) { + path_free(p); + } +} + +/* ---------------------------------------------------------------------- */ +/* initialize and finalize curve structures */ + +typedef dpoint_t dpoint3_t[3]; + +/* initialize the members of the given curve structure to size m. + Return 0 on success, 1 on error with errno set. */ +int privcurve_init(privcurve_t *curve, int n) { + memset(curve, 0, sizeof(privcurve_t)); + curve->n = n; + SAFE_CALLOC(curve->tag, n, int); + SAFE_CALLOC(curve->c, n, dpoint3_t); + SAFE_CALLOC(curve->vertex, n, dpoint_t); + SAFE_CALLOC(curve->alpha, n, double); + SAFE_CALLOC(curve->alpha0, n, double); + SAFE_CALLOC(curve->beta, n, double); + return 0; + + calloc_error: + free(curve->tag); + free(curve->c); + free(curve->vertex); + free(curve->alpha); + free(curve->alpha0); + free(curve->beta); + return 1; +} + +/* copy private to public curve structure */ +void privcurve_to_curve(privcurve_t *pc, potrace_curve_t *c) { + c->n = pc->n; + c->tag = pc->tag; + c->c = pc->c; +} + diff --git a/Build/source/texk/web2c/mfluadir/potrace/curve.h b/Build/source/texk/web2c/mfluadir/potrace/curve.h new file mode 100644 index 00000000000..fa18a93d216 --- /dev/null +++ b/Build/source/texk/web2c/mfluadir/potrace/curve.h @@ -0,0 +1,77 @@ +/* Copyright (C) 2001-2019 Peter Selinger. + This file is part of Potrace. It is free software and it is covered + by the GNU General Public License. See the file COPYING for details. */ + +#ifndef CURVE_H +#define CURVE_H + +#include "auxiliary.h" + +/* vertex is c[1] for tag=POTRACE_CORNER, and the intersection of + .c[-1][2]..c[0] and c[1]..c[2] for tag=POTRACE_CURVETO. alpha is only + defined for tag=POTRACE_CURVETO and is the alpha parameter of the curve: + .c[-1][2]..c[0] = alpha*(.c[-1][2]..vertex), and + c[2]..c[1] = alpha*(c[2]..vertex). + Beta is so that (.beta[i])[.vertex[i],.vertex[i+1]] = .c[i][2]. +*/ + +struct privcurve_s { + int n; /* number of segments */ + int *tag; /* tag[n]: POTRACE_CORNER or POTRACE_CURVETO */ + dpoint_t (*c)[3]; /* c[n][i]: control points. + c[n][0] is unused for tag[n]=POTRACE_CORNER */ + /* the remainder of this structure is special to privcurve, and is + used in EPS debug output and special EPS "short coding". These + fields are valid only if "alphacurve" is set. */ + int alphacurve; /* have the following fields been initialized? */ + dpoint_t *vertex; /* for POTRACE_CORNER, this equals c[1] */ + double *alpha; /* only for POTRACE_CURVETO */ + double *alpha0; /* "uncropped" alpha parameter - for debug output only */ + double *beta; +}; +typedef struct privcurve_s privcurve_t; + +struct sums_s { + double x; + double y; + double x2; + double xy; + double y2; +}; +typedef struct sums_s sums_t; + +/* the path structure is filled in with information about a given path + as it is accumulated and passed through the different stages of the + Potrace algorithm. Backends only need to read the fcurve and fm + fields of this data structure, but debugging backends may read + other fields. */ +struct potrace_privpath_s { + int len; + point_t *pt; /* pt[len]: path as extracted from bitmap */ + int *lon; /* lon[len]: (i,lon[i]) = longest straight line from i */ + + int x0, y0; /* origin for sums */ + sums_t *sums; /* sums[len+1]: cache for fast summing */ + + int m; /* length of optimal polygon */ + int *po; /* po[m]: optimal polygon */ + + privcurve_t curve; /* curve[m]: array of curve elements */ + privcurve_t ocurve; /* ocurve[om]: array of curve elements */ + privcurve_t *fcurve; /* final curve: this points to either curve or + ocurve. Do not free this separately. */ +}; +typedef struct potrace_privpath_s potrace_privpath_t; + +/* shorter names */ +typedef potrace_privpath_t privpath_t; +typedef potrace_path_t path_t; + +path_t *path_new(void); +void path_free(path_t *p); +void pathlist_free(path_t *plist); +int privcurve_init(privcurve_t *curve, int n); +void privcurve_to_curve(privcurve_t *pc, potrace_curve_t *c); + +#endif /* CURVE_H */ + diff --git a/Build/source/texk/web2c/mfluadir/potrace/decompose.c b/Build/source/texk/web2c/mfluadir/potrace/decompose.c new file mode 100644 index 00000000000..ae72850efb2 --- /dev/null +++ b/Build/source/texk/web2c/mfluadir/potrace/decompose.c @@ -0,0 +1,521 @@ +/* Copyright (C) 2001-2019 Peter Selinger. + This file is part of Potrace. It is free software and it is covered + by the GNU General Public License. See the file COPYING for details. */ + +#ifdef HAVE_CONFIG_H +#include +#endif + +#include +#include +#include +#include +#ifdef HAVE_INTTYPES_H +#include +#endif + +#include "potracelib.h" +#include "curve.h" +#include "lists.h" +#include "bitmap.h" +#include "decompose.h" +#include "progress.h" + +/* ---------------------------------------------------------------------- */ +/* deterministically and efficiently hash (x,y) into a pseudo-random bit */ + +static inline int detrand(int x, int y) { + unsigned int z; + static const unsigned char t[256] = { + /* non-linear sequence: constant term of inverse in GF(8), + mod x^8+x^4+x^3+x+1 */ + 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 1, + 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, + 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, + 1, 0, 1, 1, 0, 1, 1, 1, 1, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 1, 1, + 0, 0, 1, 1, 1, 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 0, + 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 0, 1, 0, + 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 1, 0, + 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, + 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, 0, 1, 0, 0, 0, 0, 1, 0, 1, 1, 1, 0, 0, + 0, 1, 0, 1, 1, 0, 0, 1, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, + 1, 1, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, + }; + + /* 0x04b3e375 and 0x05a8ef93 are chosen to contain every possible + 5-bit sequence */ + z = ((0x04b3e375 * x) ^ y) * 0x05a8ef93; + z = t[z & 0xff] ^ t[(z>>8) & 0xff] ^ t[(z>>16) & 0xff] ^ t[(z>>24) & 0xff]; + return z; +} + +/* ---------------------------------------------------------------------- */ +/* auxiliary bitmap manipulations */ + +/* set the excess padding to 0 */ +static void bm_clearexcess(potrace_bitmap_t *bm) { + potrace_word mask; + int y; + + if (bm->w % BM_WORDBITS != 0) { + mask = BM_ALLBITS << (BM_WORDBITS - (bm->w % BM_WORDBITS)); + for (y=0; yh; y++) { + *bm_index(bm, bm->w, y) &= mask; + } + } +} + +struct bbox_s { + int x0, x1, y0, y1; /* bounding box */ +}; +typedef struct bbox_s bbox_t; + +/* clear the bm, assuming the bounding box is set correctly (faster + than clearing the whole bitmap) */ +static void clear_bm_with_bbox(potrace_bitmap_t *bm, bbox_t *bbox) { + int imin = (bbox->x0 / BM_WORDBITS); + int imax = ((bbox->x1 + BM_WORDBITS-1) / BM_WORDBITS); + int i, y; + + for (y=bbox->y0; yy1; y++) { + for (i=imin; i0) { + return 1; + } else if (ct<0) { + return 0; + } + } + return 0; +} + +/* ---------------------------------------------------------------------- */ +/* decompose image into paths */ + +/* efficiently invert bits [x,infty) and [xa,infty) in line y. Here xa + must be a multiple of BM_WORDBITS. */ +static void xor_to_ref(potrace_bitmap_t *bm, int x, int y, int xa) { + int xhi = x & -BM_WORDBITS; + int xlo = x & (BM_WORDBITS-1); /* = x % BM_WORDBITS */ + int i; + + if (xhipriv->len <= 0) { /* a path of length 0 is silly, but legal */ + return; + } + + y1 = p->priv->pt[p->priv->len-1].y; + + xa = p->priv->pt[0].x & -BM_WORDBITS; + for (k=0; kpriv->len; k++) { + x = p->priv->pt[k].x; + y = p->priv->pt[k].y; + + if (y != y1) { + /* efficiently invert the rectangle [x,xa] x [y,y1] */ + xor_to_ref(bm, x, min(y,y1), xa); + y1 = y; + } + } +} + +/* Find the bounding box of a given path. Path is assumed to be of + non-zero length. */ +static void setbbox_path(bbox_t *bbox, path_t *p) { + int x, y; + int k; + + bbox->y0 = INT_MAX; + bbox->y1 = 0; + bbox->x0 = INT_MAX; + bbox->x1 = 0; + + for (k=0; kpriv->len; k++) { + x = p->priv->pt[k].x; + y = p->priv->pt[k].y; + + if (x < bbox->x0) { + bbox->x0 = x; + } + if (x > bbox->x1) { + bbox->x1 = x; + } + if (y < bbox->y0) { + bbox->y0 = y; + } + if (y > bbox->y1) { + bbox->y1 = y; + } + } +} + +/* compute a path in the given pixmap, separating black from white. + Start path at the point (x0,x1), which must be an upper left corner + of the path. Also compute the area enclosed by the path. Return a + new path_t object, or NULL on error (note that a legitimate path + cannot have length 0). Sign is required for correct interpretation + of turnpolicies. */ +static path_t *findpath(potrace_bitmap_t *bm, int x0, int y0, int sign, int turnpolicy) { + int x, y, dirx, diry, len, size; + uint64_t area; + int c, d, tmp; + point_t *pt, *pt1; + path_t *p = NULL; + + x = x0; + y = y0; + dirx = 0; + diry = -1; + + len = size = 0; + pt = NULL; + area = 0; + + while (1) { + /* add point to path */ + if (len>=size) { + size += 100; + size = (int)(1.3 * size); + pt1 = (point_t *)realloc(pt, size * sizeof(point_t)); + if (!pt1) { + goto error; + } + pt = pt1; + } + pt[len].x = x; + pt[len].y = y; + len++; + + /* move to next point */ + x += dirx; + y += diry; + area += x*diry; + + /* path complete? */ + if (x==x0 && y==y0) { + break; + } + + /* determine next direction */ + c = BM_GET(bm, x + (dirx+diry-1)/2, y + (diry-dirx-1)/2); + d = BM_GET(bm, x + (dirx-diry-1)/2, y + (diry+dirx-1)/2); + + if (c && !d) { /* ambiguous turn */ + if (turnpolicy == POTRACE_TURNPOLICY_RIGHT + || (turnpolicy == POTRACE_TURNPOLICY_BLACK && sign == '+') + || (turnpolicy == POTRACE_TURNPOLICY_WHITE && sign == '-') + || (turnpolicy == POTRACE_TURNPOLICY_RANDOM && detrand(x,y)) + || (turnpolicy == POTRACE_TURNPOLICY_MAJORITY && majority(bm, x, y)) + || (turnpolicy == POTRACE_TURNPOLICY_MINORITY && !majority(bm, x, y))) { + tmp = dirx; /* right turn */ + dirx = diry; + diry = -tmp; + } else { + tmp = dirx; /* left turn */ + dirx = -diry; + diry = tmp; + } + } else if (c) { /* right turn */ + tmp = dirx; + dirx = diry; + diry = -tmp; + } else if (!d) { /* left turn */ + tmp = dirx; + dirx = -diry; + diry = tmp; + } + } /* while this path */ + + /* allocate new path object */ + p = path_new(); + if (!p) { + goto error; + } + + p->priv->pt = pt; + p->priv->len = len; + p->area = area <= INT_MAX ? area : INT_MAX; /* avoid overflow */ + p->sign = sign; + + return p; + + error: + free(pt); + return NULL; +} + +/* Give a tree structure to the given path list, based on "insideness" + testing. I.e., path A is considered "below" path B if it is inside + path B. The input pathlist is assumed to be ordered so that "outer" + paths occur before "inner" paths. The tree structure is stored in + the "childlist" and "sibling" components of the path_t + structure. The linked list structure is also changed so that + negative path components are listed immediately after their + positive parent. Note: some backends may ignore the tree + structure, others may use it e.g. to group path components. We + assume that in the input, point 0 of each path is an "upper left" + corner of the path, as returned by bm_to_pathlist. This makes it + easy to find an "interior" point. The bm argument should be a + bitmap of the correct size (large enough to hold all the paths), + and will be used as scratch space. Return 0 on success or -1 on + error with errno set. */ + +static void pathlist_to_tree(path_t *plist, potrace_bitmap_t *bm) { + path_t *p, *p1; + path_t *heap, *heap1; + path_t *cur; + path_t *head; + path_t **plist_hook; /* for fast appending to linked list */ + path_t **hook_in, **hook_out; /* for fast appending to linked list */ + bbox_t bbox; + + bm_clear(bm, 0); + + /* save original "next" pointers */ + list_forall(p, plist) { + p->sibling = p->next; + p->childlist = NULL; + } + + heap = plist; + + /* the heap holds a list of lists of paths. Use "childlist" field + for outer list, "next" field for inner list. Each of the sublists + is to be turned into a tree. This code is messy, but it is + actually fast. Each path is rendered exactly once. We use the + heap to get a tail recursive algorithm: the heap holds a list of + pathlists which still need to be transformed. */ + + while (heap) { + /* unlink first sublist */ + cur = heap; + heap = heap->childlist; + cur->childlist = NULL; + + /* unlink first path */ + head = cur; + cur = cur->next; + head->next = NULL; + + /* render path */ + xor_path(bm, head); + setbbox_path(&bbox, head); + + /* now do insideness test for each element of cur; append it to + head->childlist if it's inside head, else append it to + head->next. */ + hook_in=&head->childlist; + hook_out=&head->next; + list_forall_unlink(p, cur) { + if (p->priv->pt[0].y <= bbox.y0) { + list_insert_beforehook(p, hook_out); + /* append the remainder of the list to hook_out */ + *hook_out = cur; + break; + } + if (BM_GET(bm, p->priv->pt[0].x, p->priv->pt[0].y-1)) { + list_insert_beforehook(p, hook_in); + } else { + list_insert_beforehook(p, hook_out); + } + } + + /* clear bm */ + clear_bm_with_bbox(bm, &bbox); + + /* now schedule head->childlist and head->next for further + processing */ + if (head->next) { + head->next->childlist = heap; + heap = head->next; + } + if (head->childlist) { + head->childlist->childlist = heap; + heap = head->childlist; + } + } + + /* copy sibling structure from "next" to "sibling" component */ + p = plist; + while (p) { + p1 = p->sibling; + p->sibling = p->next; + p = p1; + } + + /* reconstruct a new linked list ("next") structure from tree + ("childlist", "sibling") structure. This code is slightly messy, + because we use a heap to make it tail recursive: the heap + contains a list of childlists which still need to be + processed. */ + heap = plist; + if (heap) { + heap->next = NULL; /* heap is a linked list of childlists */ + } + plist = NULL; + plist_hook = &plist; + while (heap) { + heap1 = heap->next; + for (p=heap; p; p=p->sibling) { + /* p is a positive path */ + /* append to linked list */ + list_insert_beforehook(p, plist_hook); + + /* go through its children */ + for (p1=p->childlist; p1; p1=p1->sibling) { + /* append to linked list */ + list_insert_beforehook(p1, plist_hook); + /* append its childlist to heap, if non-empty */ + if (p1->childlist) { + list_append(path_t, heap1, p1->childlist); + } + } + } + heap = heap1; + } + + return; +} + +/* find the next set pixel in a row <= y. Pixels are searched first + left-to-right, then top-down. In other words, (x,y)<(x',y') if y>y' + or y=y' and x=0; y--) { + for (x=x0; xw && x>=0; x+=(unsigned)BM_WORDBITS) { + if (*bm_index(bm, x, y)) { + while (!BM_GET(bm, x, y)) { + x++; + } + /* found */ + *xp = x; + *yp = y; + return 0; + } + } + x0 = 0; + } + /* not found */ + return 1; +} + +/* Decompose the given bitmap into paths. Returns a linked list of + path_t objects with the fields len, pt, area, sign filled + in. Returns 0 on success with plistp set, or -1 on error with errno + set. */ + +int bm_to_pathlist(const potrace_bitmap_t *bm, path_t **plistp, const potrace_param_t *param, progress_t *progress) { + int x; + int y; + path_t *p; + path_t *plist = NULL; /* linked list of path objects */ + path_t **plist_hook = &plist; /* used to speed up appending to linked list */ + potrace_bitmap_t *bm1 = NULL; + int sign; + + bm1 = bm_dup(bm); + if (!bm1) { + goto error; + } + + /* be sure the byte padding on the right is set to 0, as the fast + pixel search below relies on it */ + bm_clearexcess(bm1); + + /* iterate through components */ + x = 0; + y = bm1->h - 1; + while (findnext(bm1, &x, &y) == 0) { + /* calculate the sign by looking at the original */ + sign = BM_GET(bm, x, y) ? '+' : '-'; + + /* calculate the path */ + p = findpath(bm1, x, y+1, sign, param->turnpolicy); + if (p==NULL) { + goto error; + } + + /* update buffered image */ + xor_path(bm1, p); + + /* if it's a turd, eliminate it, else append it to the list */ + if (p->area <= param->turdsize) { + path_free(p); + } else { + list_insert_beforehook(p, plist_hook); + } + + if (bm1->h > 0) { /* to be sure */ + progress_update(1-y/(double)bm1->h, progress); + } + } + + pathlist_to_tree(plist, bm1); + bm_free(bm1); + *plistp = plist; + + progress_update(1.0, progress); + + return 0; + + error: + bm_free(bm1); + list_forall_unlink(p, plist) { + path_free(p); + } + return -1; +} diff --git a/Build/source/texk/web2c/mfluadir/potrace/decompose.h b/Build/source/texk/web2c/mfluadir/potrace/decompose.h new file mode 100644 index 00000000000..584b383ef90 --- /dev/null +++ b/Build/source/texk/web2c/mfluadir/potrace/decompose.h @@ -0,0 +1,16 @@ +/* Copyright (C) 2001-2019 Peter Selinger. + This file is part of Potrace. It is free software and it is covered + by the GNU General Public License. See the file COPYING for details. */ + + +#ifndef DECOMPOSE_H +#define DECOMPOSE_H + +#include "potracelib.h" +#include "progress.h" +#include "curve.h" + +int bm_to_pathlist(const potrace_bitmap_t *bm, path_t **plistp, const potrace_param_t *param, progress_t *progress); + +#endif /* DECOMPOSE_H */ + diff --git a/Build/source/texk/web2c/mfluadir/potrace/lists.h b/Build/source/texk/web2c/mfluadir/potrace/lists.h new file mode 100644 index 00000000000..507cf15bdfb --- /dev/null +++ b/Build/source/texk/web2c/mfluadir/potrace/lists.h @@ -0,0 +1,285 @@ +/* Copyright (C) 2001-2019 Peter Selinger. + This file is part of Potrace. It is free software and it is covered + by the GNU General Public License. See the file COPYING for details. */ + + +#ifndef _PS_LISTS_H +#define _PS_LISTS_H + +/* here we define some general list macros. Because they are macros, + they should work on any datatype with a "->next" component. Some of + them use a "hook". If elt and list are of type t* then hook is of + type t**. A hook stands for an insertion point in the list, i.e., + either before the first element, or between two elements, or after + the last element. If an operation "sets the hook" for an element, + then the hook is set to just before the element. One can insert + something at a hook. One can also unlink at a hook: this means, + unlink the element just after the hook. By "to unlink", we mean the + element is removed from the list, but not deleted. Thus, it and its + components still need to be freed. */ + +/* Note: these macros are somewhat experimental. Only the ones that + are actually *used* have been tested. So be careful to test any + that you use. Looking at the output of the preprocessor, "gcc -E" + (possibly piped though "indent"), might help too. Also: these + macros define some internal (local) variables that start with + "_". */ + +/* we enclose macro definitions whose body consists of more than one + statement in MACRO_BEGIN and MACRO_END, rather than '{' and '}'. The + reason is that we want to be able to use the macro in a context + such as "if (...) macro(...); else ...". If we didn't use this obscure + trick, we'd have to omit the ";" in such cases. */ + +#define MACRO_BEGIN do { +#define MACRO_END } while (0) + +/* ---------------------------------------------------------------------- */ +/* macros for singly-linked lists */ + +/* traverse list. At the end, elt is set to NULL. */ +#define list_forall(elt, list) for (elt=list; elt!=NULL; elt=elt->next) + +/* set elt to the first element of list satisfying boolean condition + c, or NULL if not found */ +#define list_find(elt, list, c) \ + MACRO_BEGIN list_forall(elt, list) if (c) break; MACRO_END + +/* like forall, except also set hook for elt. */ +#define list_forall2(elt, list, hook) \ + for (elt=list, hook=&list; elt!=NULL; hook=&elt->next, elt=elt->next) + +/* same as list_find, except also set hook for elt. */ +#define list_find2(elt, list, c, hook) \ + MACRO_BEGIN list_forall2(elt, list, hook) if (c) break; MACRO_END + +/* same, except only use hook. */ +#define _list_forall_hook(list, hook) \ + for (hook=&list; *hook!=NULL; hook=&(*hook)->next) + +/* same, except only use hook. Note: c may only refer to *hook, not elt. */ +#define _list_find_hook(list, c, hook) \ + MACRO_BEGIN _list_forall_hook(list, hook) if (c) break; MACRO_END + +/* insert element after hook */ +#define list_insert_athook(elt, hook) \ + MACRO_BEGIN elt->next = *hook; *hook = elt; MACRO_END + +/* insert element before hook */ +#define list_insert_beforehook(elt, hook) \ + MACRO_BEGIN elt->next = *hook; *hook = elt; hook=&elt->next; MACRO_END + +/* unlink element after hook, let elt be unlinked element, or NULL. + hook remains. */ +#define list_unlink_athook(list, elt, hook) \ + MACRO_BEGIN \ + elt = hook ? *hook : NULL; if (elt) { *hook = elt->next; elt->next = NULL; }\ + MACRO_END + +/* unlink the specific element, if it is in the list. Otherwise, set + elt to NULL */ +#define list_unlink(listtype, list, elt) \ + MACRO_BEGIN \ + listtype **_hook; \ + _list_find_hook(list, *_hook==elt, _hook); \ + list_unlink_athook(list, elt, _hook); \ + MACRO_END + +/* prepend elt to list */ +#define list_prepend(list, elt) \ + MACRO_BEGIN elt->next = list; list = elt; MACRO_END + +/* append elt to list. */ +#define list_append(listtype, list, elt) \ + MACRO_BEGIN \ + listtype **_hook; \ + _list_forall_hook(list, _hook) {} \ + list_insert_athook(elt, _hook); \ + MACRO_END + +/* unlink the first element that satisfies the condition. */ +#define list_unlink_cond(listtype, list, elt, c) \ + MACRO_BEGIN \ + listtype **_hook; \ + list_find2(elt, list, c, _hook); \ + list_unlink_athook(list, elt, _hook); \ + MACRO_END + +/* let elt be the nth element of the list, starting to count from 0. + Return NULL if out of bounds. */ +#define list_nth(elt, list, n) \ + MACRO_BEGIN \ + int _x; /* only evaluate n once */ \ + for (_x=(n), elt=list; _x && elt; _x--, elt=elt->next) {} \ + MACRO_END + +/* let elt be the nth element of the list, starting to count from 0. + Return NULL if out of bounds. */ +#define list_nth_hook(elt, list, n, hook) \ + MACRO_BEGIN \ + int _x; /* only evaluate n once */ \ + for (_x=(n), elt=list, hook=&list; _x && elt; _x--, hook=&elt->next, elt=elt->next) {} \ + MACRO_END + +/* set n to the length of the list */ +#define list_length(listtype, list, n) \ + MACRO_BEGIN \ + listtype *_elt; \ + n=0; \ + list_forall(_elt, list) \ + n++; \ + MACRO_END + +/* set n to the index of the first element satisfying cond, or -1 if + none found. Also set elt to the element, or NULL if none found. */ +#define list_index(list, n, elt, c) \ + MACRO_BEGIN \ + n=0; \ + list_forall(elt, list) { \ + if (c) break; \ + n++; \ + } \ + if (!elt) \ + n=-1; \ + MACRO_END + +/* set n to the number of elements in the list that satisfy condition c */ +#define list_count(list, n, elt, c) \ + MACRO_BEGIN \ + n=0; \ + list_forall(elt, list) { \ + if (c) n++; \ + } \ + MACRO_END + +/* let elt be each element of the list, unlinked. At the end, set list=NULL. */ +#define list_forall_unlink(elt, list) \ + for (elt=list; elt ? (list=elt->next, elt->next=NULL), 1 : 0; elt=list) + +/* reverse a list (efficient) */ +#define list_reverse(listtype, list) \ + MACRO_BEGIN \ + listtype *_list1=NULL, *elt; \ + list_forall_unlink(elt, list) \ + list_prepend(_list1, elt); \ + list = _list1; \ + MACRO_END + +/* insert the element ELT just before the first element TMP of the + list for which COND holds. Here COND must be a condition of ELT and + TMP. Typical usage is to insert an element into an ordered list: + for instance, list_insert_ordered(listtype, list, elt, tmp, + elt->size <= tmp->size). Note: if we give a "less than or equal" + condition, the new element will be inserted just before a sequence + of equal elements. If we give a "less than" condition, the new + element will be inserted just after a list of equal elements. + Note: it is much more efficient to construct a list with + list_prepend and then order it with list_merge_sort, than to + construct it with list_insert_ordered. */ +#define list_insert_ordered(listtype, list, elt, tmp, cond) \ + MACRO_BEGIN \ + listtype **_hook; \ + _list_find_hook(list, (tmp=*_hook, (cond)), _hook); \ + list_insert_athook(elt, _hook); \ + MACRO_END + +/* sort the given list, according to the comparison condition. + Typical usage is list_sort(listtype, list, a, b, a->size < + b->size). Note: if we give "less than or equal" condition, each + segment of equal elements will be reversed in order. If we give a + "less than" condition, each segment of equal elements will retain + the original order. The latter is slower but sometimes + prettier. Average running time: n*n/2. */ +#define list_sort(listtype, list, a, b, cond) \ + MACRO_BEGIN \ + listtype *_newlist=NULL; \ + list_forall_unlink(a, list) \ + list_insert_ordered(listtype, _newlist, a, b, cond); \ + list = _newlist; \ + MACRO_END + +/* a much faster sort algorithm (merge sort, n log n worst case). It + is required that the list type has an additional, unused next1 + component. Note there is no curious reversal of order of equal + elements as for list_sort. */ + +#define list_mergesort(listtype, list, a, b, cond) \ + MACRO_BEGIN \ + listtype *_elt, **_hook1; \ + \ + for (_elt=list; _elt; _elt=_elt->next1) { \ + _elt->next1 = _elt->next; \ + _elt->next = NULL; \ + } \ + do { \ + _hook1 = &(list); \ + while ((a = *_hook1) != NULL && (b = a->next1) != NULL ) { \ + _elt = b->next1; \ + _list_merge_cond(listtype, a, b, cond, *_hook1); \ + _hook1 = &((*_hook1)->next1); \ + *_hook1 = _elt; \ + } \ + } while (_hook1 != &(list)); \ + MACRO_END + +/* merge two sorted lists. Store result at &result */ +#define _list_merge_cond(listtype, a, b, cond, result) \ + MACRO_BEGIN \ + listtype **_hook; \ + _hook = &(result); \ + while (1) { \ + if (a==NULL) { \ + *_hook = b; \ + break; \ + } else if (b==NULL) { \ + *_hook = a; \ + break; \ + } else if (cond) { \ + *_hook = a; \ + _hook = &(a->next); \ + a = a->next; \ + } else { \ + *_hook = b; \ + _hook = &(b->next); \ + b = b->next; \ + } \ + } \ + MACRO_END + +/* ---------------------------------------------------------------------- */ +/* macros for doubly-linked lists */ + +#define dlist_append(head, end, elt) \ + MACRO_BEGIN \ + elt->prev = end; \ + elt->next = NULL; \ + if (end) { \ + end->next = elt; \ + } else { \ + head = elt; \ + } \ + end = elt; \ + MACRO_END + +/* let elt be each element of the list, unlinked. At the end, set list=NULL. */ +#define dlist_forall_unlink(elt, head, end) \ + for (elt=head; elt ? (head=elt->next, elt->next=NULL, elt->prev=NULL), 1 : (end=NULL, 0); elt=head) + +/* unlink the first element of the list */ +#define dlist_unlink_first(head, end, elt) \ + MACRO_BEGIN \ + elt = head; \ + if (head) { \ + head = head->next; \ + if (head) { \ + head->prev = NULL; \ + } else { \ + end = NULL; \ + } \ + elt->prev = NULL; \ + elt->next = NULL; \ + } \ + MACRO_END + +#endif /* _PS_LISTS_H */ + diff --git a/Build/source/texk/web2c/mfluadir/potrace/luafunc.c b/Build/source/texk/web2c/mfluadir/potrace/luafunc.c new file mode 100644 index 00000000000..e8cb3ff6839 --- /dev/null +++ b/Build/source/texk/web2c/mfluadir/potrace/luafunc.c @@ -0,0 +1,108 @@ +/* From potracelib_demo.c */ + +#include "luafunc.h" + + + +/* ---------------------------------------------------------------------- */ +/* auxiliary bitmap functions */ + + +/* macros for writing individual bitmap pixels */ +#define BM_WORDSIZE ((int)sizeof(potrace_word)) +#define BM_WORDBITS (8*BM_WORDSIZE) +#define BM_HIBIT (((potrace_word)1)<<(BM_WORDBITS-1)) +#define bm_scanline(bm, y) ((bm)->map + (y)*(bm)->dy) +#define bm_index(bm, x, y) (&bm_scanline(bm, y)[(x)/BM_WORDBITS]) +#define bm_mask(x) (BM_HIBIT >> ((x) & (BM_WORDBITS-1))) +#define bm_range(x, a) ((int)(x) >= 0 && (int)(x) < (a)) +#define bm_safe(bm, x, y) (bm_range(x, (bm)->w) && bm_range(y, (bm)->h)) +#define BM_USET(bm, x, y) (*bm_index(bm, x, y) |= bm_mask(x)) +#define BM_UCLR(bm, x, y) (*bm_index(bm, x, y) &= ~bm_mask(x)) +#define BM_UPUT(bm, x, y, b) ((b) ? BM_USET(bm, x, y) : BM_UCLR(bm, x, y)) +#define BM_PUT(bm, x, y, b) (bm_safe(bm, x, y) ? BM_UPUT(bm, x, y, b) : 0) + +/* return new un-initialized bitmap. NULL with errno on error */ +static potrace_bitmap_t *bm_new(int w, int h) { + potrace_bitmap_t *bm; + int dy = (w + BM_WORDBITS - 1) / BM_WORDBITS; + + bm = (potrace_bitmap_t *) malloc(sizeof(potrace_bitmap_t)); + if (!bm) { + return NULL; + } + bm->w = w; + bm->h = h; + bm->dy = dy; + bm->map = (potrace_word *) calloc(h, dy * BM_WORDSIZE); + if (!bm->map) { + free(bm); + return NULL; + } + return bm; +} + +/* free a bitmap */ +static void bm_free(potrace_bitmap_t *bm) { + if (bm != NULL) { + free(bm->map); + } + free(bm); +} + +//int potrace_getMFoutlines(const uint8_t *raster,int w, int h) { +int potrace_getMFoutlines(const uint8_t *raster, int w, int h, MFoutlines_param_t opt_param,potrace_state_t **trace) { + int x, y; + potrace_bitmap_t *bm; + potrace_param_t *param; + potrace_state_t *st; + int W,X; + uint8_t data,pix; + + /* create a bitmap */ + bm = bm_new(w, h); + if (!bm) { + fprintf(stderr, "! Error allocating bitmap: %s\n", strerror(errno)); + return 1; + } + + /* fill the bitmap */ + W= (w%8)==0 ?(w/8):(w/8+1); + for (y=0; yturdsize = 0; + } else { + param = opt_param.potrace_param; + } + /*printf("turdsize=%d;turnpolicy=%d;alphamax=%f;opticurve=%d;opttolerance=%f\n",param->turdsize,param->turnpolicy,param->alphamax,param->opticurve,param->opttolerance);*/ + + /* trace the bitmap */ + st = potrace_trace(param, bm); + if (!st || st->status != POTRACE_STATUS_OK) { + fprintf(stderr, "! Error tracing bitmap: %s\n", strerror(errno)); + bm_free(bm); + return 1; + } + bm_free(bm); + *trace = st ; + return 0; +} \ No newline at end of file diff --git a/Build/source/texk/web2c/mfluadir/potrace/luafunc.h b/Build/source/texk/web2c/mfluadir/potrace/luafunc.h new file mode 100644 index 00000000000..b5bd36a1d9f --- /dev/null +++ b/Build/source/texk/web2c/mfluadir/potrace/luafunc.h @@ -0,0 +1,24 @@ +/* From potracelib_demo.c */ + +#include +#include +#include +#include +#include + +#include "potracelib.h" + +struct MFoutlines_param_s { + double xoffs ; + double yoffs ; + potrace_param_t *potrace_param; +}; +typedef struct MFoutlines_param_s MFoutlines_param_t; + +/* raster: bitmap wxh, pixel packed into a byte */ +/* w: nr. of columns */ +/* h: nr. of rows */ +/* opt_parmam: optional parameters for potrace */ +/* trace: curves returned by potrace */ +/* Return 1 if error, 0 if ok */ +int potrace_getMFoutlines(const uint8_t *raster, int w, int h, MFoutlines_param_t opt_param,potrace_state_t **trace); diff --git a/Build/source/texk/web2c/mfluadir/potrace/potracelib.c b/Build/source/texk/web2c/mfluadir/potrace/potracelib.c new file mode 100644 index 00000000000..bf16e3f1747 --- /dev/null +++ b/Build/source/texk/web2c/mfluadir/potrace/potracelib.c @@ -0,0 +1,114 @@ +/* Copyright (C) 2001-2019 Peter Selinger. + This file is part of Potrace. It is free software and it is covered + by the GNU General Public License. See the file COPYING for details. */ + +#ifdef HAVE_CONFIG_H +#include +#endif + +#include +#include + +#include "potracelib.h" +#include "curve.h" +#include "decompose.h" +#include "trace.h" +#include "progress.h" + +/* default parameters */ +static const potrace_param_t param_default = { + 2, /* turdsize */ + POTRACE_TURNPOLICY_MINORITY, /* turnpolicy */ + 1.0, /* alphamax */ + 1, /* opticurve */ + 0.2, /* opttolerance */ + { + NULL, /* callback function */ + NULL, /* callback data */ + 0.0, 1.0, /* progress range */ + 0.0, /* granularity */ + }, +}; + +/* Return a fresh copy of the set of default parameters, or NULL on + failure with errno set. */ +potrace_param_t *potrace_param_default(void) { + potrace_param_t *p; + + p = (potrace_param_t *) malloc(sizeof(potrace_param_t)); + if (!p) { + return NULL; + } + memcpy(p, ¶m_default, sizeof(potrace_param_t)); + return p; +} + +/* On success, returns a Potrace state st with st->status == + POTRACE_STATUS_OK. On failure, returns NULL if no Potrace state + could be created (with errno set), or returns an incomplete Potrace + state (with st->status == POTRACE_STATUS_INCOMPLETE, and with errno + set). Complete or incomplete Potrace state can be freed with + potrace_state_free(). */ +potrace_state_t *potrace_trace(const potrace_param_t *param, const potrace_bitmap_t *bm) { + int r; + path_t *plist = NULL; + potrace_state_t *st; + progress_t prog; + progress_t subprog; + + /* prepare private progress bar state */ + prog.callback = param->progress.callback; + prog.data = param->progress.data; + prog.min = param->progress.min; + prog.max = param->progress.max; + prog.epsilon = param->progress.epsilon; + prog.d_prev = param->progress.min; + + /* allocate state object */ + st = (potrace_state_t *)malloc(sizeof(potrace_state_t)); + if (!st) { + return NULL; + } + + progress_subrange_start(0.0, 0.1, &prog, &subprog); + + /* process the image */ + r = bm_to_pathlist(bm, &plist, param, &subprog); + if (r) { + free(st); + return NULL; + } + + st->status = POTRACE_STATUS_OK; + st->plist = plist; + st->priv = NULL; /* private state currently unused */ + + progress_subrange_end(&prog, &subprog); + + progress_subrange_start(0.1, 1.0, &prog, &subprog); + + /* partial success. */ + r = process_path(plist, param, &subprog); + if (r) { + st->status = POTRACE_STATUS_INCOMPLETE; + } + + progress_subrange_end(&prog, &subprog); + + return st; +} + +/* free a Potrace state, without disturbing errno. */ +void potrace_state_free(potrace_state_t *st) { + pathlist_free(st->plist); + free(st); +} + +/* free a parameter list, without disturbing errno. */ +void potrace_param_free(potrace_param_t *p) { + free(p); +} + +const char *potrace_version(void) { + return "potracelib " VERSION ""; +} diff --git a/Build/source/texk/web2c/mfluadir/potrace/potracelib.h b/Build/source/texk/web2c/mfluadir/potrace/potracelib.h new file mode 100644 index 00000000000..ae2f18c7ebc --- /dev/null +++ b/Build/source/texk/web2c/mfluadir/potrace/potracelib.h @@ -0,0 +1,139 @@ +/* Copyright (C) 2001-2019 Peter Selinger. + This file is part of Potrace. It is free software and it is covered + by the GNU General Public License. See the file COPYING for details. */ + +#ifndef POTRACELIB_H +#define POTRACELIB_H + +/* this file defines the API for the core Potrace library. For a more + detailed description of the API, see potracelib.pdf */ + +#ifdef __cplusplus +extern "C" { +#endif + +/* ---------------------------------------------------------------------- */ +/* tracing parameters */ + +/* turn policies */ +#define POTRACE_TURNPOLICY_BLACK 0 +#define POTRACE_TURNPOLICY_WHITE 1 +#define POTRACE_TURNPOLICY_LEFT 2 +#define POTRACE_TURNPOLICY_RIGHT 3 +#define POTRACE_TURNPOLICY_MINORITY 4 +#define POTRACE_TURNPOLICY_MAJORITY 5 +#define POTRACE_TURNPOLICY_RANDOM 6 + +/* structure to hold progress bar callback data */ +struct potrace_progress_s { + void (*callback)(double progress, void *privdata); /* callback fn */ + void *data; /* callback function's private data */ + double min, max; /* desired range of progress, e.g. 0.0 to 1.0 */ + double epsilon; /* granularity: can skip smaller increments */ +}; +typedef struct potrace_progress_s potrace_progress_t; + +/* structure to hold tracing parameters */ +struct potrace_param_s { + int turdsize; /* area of largest path to be ignored */ + int turnpolicy; /* resolves ambiguous turns in path decomposition */ + double alphamax; /* corner threshold */ + int opticurve; /* use curve optimization? */ + double opttolerance; /* curve optimization tolerance */ + potrace_progress_t progress; /* progress callback function */ +}; +typedef struct potrace_param_s potrace_param_t; + +/* ---------------------------------------------------------------------- */ +/* bitmaps */ + +/* native word size */ +typedef unsigned long potrace_word; + +/* Internal bitmap format. The n-th scanline starts at scanline(n) = + (map + n*dy). Raster data is stored as a sequence of potrace_words + (NOT bytes). The leftmost bit of scanline n is the most significant + bit of scanline(n)[0]. */ +struct potrace_bitmap_s { + int w, h; /* width and height, in pixels */ + int dy; /* words per scanline (not bytes) */ + potrace_word *map; /* raw data, dy*h words */ +}; +typedef struct potrace_bitmap_s potrace_bitmap_t; + +/* ---------------------------------------------------------------------- */ +/* curves */ + +/* point */ +struct potrace_dpoint_s { + double x, y; +}; +typedef struct potrace_dpoint_s potrace_dpoint_t; + +/* segment tags */ +#define POTRACE_CURVETO 1 +#define POTRACE_CORNER 2 + +/* closed curve segment */ +struct potrace_curve_s { + int n; /* number of segments */ + int *tag; /* tag[n]: POTRACE_CURVETO or POTRACE_CORNER */ + potrace_dpoint_t (*c)[3]; /* c[n][3]: control points. + c[n][0] is unused for tag[n]=POTRACE_CORNER */ +}; +typedef struct potrace_curve_s potrace_curve_t; + +/* Linked list of signed curve segments. Also carries a tree structure. */ +struct potrace_path_s { + int area; /* area of the bitmap path */ + int sign; /* '+' or '-', depending on orientation */ + potrace_curve_t curve; /* this path's vector data */ + + struct potrace_path_s *next; /* linked list structure */ + + struct potrace_path_s *childlist; /* tree structure */ + struct potrace_path_s *sibling; /* tree structure */ + + struct potrace_privpath_s *priv; /* private state */ +}; +typedef struct potrace_path_s potrace_path_t; + +/* ---------------------------------------------------------------------- */ +/* Potrace state */ + +#define POTRACE_STATUS_OK 0 +#define POTRACE_STATUS_INCOMPLETE 1 + +struct potrace_state_s { + int status; + potrace_path_t *plist; /* vector data */ + + struct potrace_privstate_s *priv; /* private state */ +}; +typedef struct potrace_state_s potrace_state_t; + +/* ---------------------------------------------------------------------- */ +/* API functions */ + +/* get default parameters */ +potrace_param_t *potrace_param_default(void); + +/* free parameter set */ +void potrace_param_free(potrace_param_t *p); + +/* trace a bitmap */ +potrace_state_t *potrace_trace(const potrace_param_t *param, + const potrace_bitmap_t *bm); + +/* free a Potrace state */ +void potrace_state_free(potrace_state_t *st); + +/* return a static plain text version string identifying this version + of potracelib */ +const char *potrace_version(void); + +#ifdef __cplusplus +} /* end of extern "C" */ +#endif + +#endif /* POTRACELIB_H */ diff --git a/Build/source/texk/web2c/mfluadir/potrace/progress.h b/Build/source/texk/web2c/mfluadir/potrace/progress.h new file mode 100644 index 00000000000..5123368a7e8 --- /dev/null +++ b/Build/source/texk/web2c/mfluadir/potrace/progress.h @@ -0,0 +1,79 @@ +/* Copyright (C) 2001-2019 Peter Selinger. + This file is part of Potrace. It is free software and it is covered + by the GNU General Public License. See the file COPYING for details. */ + +/* operations on potrace_progress_t objects, which are defined in + potracelib.h. Note: the code attempts to minimize runtime overhead + when no progress monitoring was requested. It also tries to + minimize excessive progress calculations beneath the "epsilon" + threshold. */ + +#ifndef PROGRESS_H +#define PROGRESS_H + +/* structure to hold progress bar callback data */ +struct progress_s { + void (*callback)(double progress, void *privdata); /* callback fn */ + void *data; /* callback function's private data */ + double min, max; /* desired range of progress, e.g. 0.0 to 1.0 */ + double epsilon; /* granularity: can skip smaller increments */ + double b; /* upper limit of subrange in superrange units */ + double d_prev; /* previous value of d */ +}; +typedef struct progress_s progress_t; + +/* notify given progress object of current progress. Note that d is + given in the 0.0-1.0 range, which will be scaled and translated to + the progress object's range. */ +static inline void progress_update(double d, progress_t *prog) { + double d_scaled; + + if (prog != NULL && prog->callback != NULL) { + d_scaled = prog->min * (1-d) + prog->max * d; + if (d == 1.0 || d_scaled >= prog->d_prev + prog->epsilon) { + prog->callback(prog->min * (1-d) + prog->max * d, prog->data); + prog->d_prev = d_scaled; + } + } +} + +/* start a subrange of the given progress object. The range is + narrowed to [a..b], relative to 0.0-1.0 coordinates. If new range + is below granularity threshold, disable further subdivisions. */ +static inline void progress_subrange_start(double a, double b, const progress_t *prog, progress_t *sub) { + double min, max; + + if (prog == NULL || prog->callback == NULL) { + sub->callback = NULL; + return; + } + + min = prog->min * (1-a) + prog->max * a; + max = prog->min * (1-b) + prog->max * b; + + if (max - min < prog->epsilon) { + sub->callback = NULL; /* no further progress info in subrange */ + sub->b = b; + return; + } + sub->callback = prog->callback; + sub->data = prog->data; + sub->epsilon = prog->epsilon; + sub->min = min; + sub->max = max; + sub->d_prev = prog->d_prev; + return; +} + +static inline void progress_subrange_end(progress_t *prog, progress_t *sub) { + if (prog != NULL && prog->callback != NULL) { + if (sub->callback == NULL) { + progress_update(sub->b, prog); + } else { + prog->d_prev = sub->d_prev; + } + } +} + +#endif /* PROGRESS_H */ + diff --git a/Build/source/texk/web2c/mfluadir/potrace/trace.c b/Build/source/texk/web2c/mfluadir/potrace/trace.c new file mode 100644 index 00000000000..b830764447b --- /dev/null +++ b/Build/source/texk/web2c/mfluadir/potrace/trace.c @@ -0,0 +1,1249 @@ +/* Copyright (C) 2001-2019 Peter Selinger. + This file is part of Potrace. It is free software and it is covered + by the GNU General Public License. See the file COPYING for details. */ + +/* transform jaggy paths into smooth curves */ + +#ifdef HAVE_CONFIG_H +#include +#endif + +#include +#include +#include +#include + +#include "potracelib.h" +#include "curve.h" +#include "lists.h" +#include "auxiliary.h" +#include "trace.h" +#include "progress.h" + +#define INFTY 10000000 /* it suffices that this is longer than any + path; it need not be really infinite */ +#define COS179 -0.999847695156 /* the cosine of 179 degrees */ + +/* ---------------------------------------------------------------------- */ +#define SAFE_CALLOC(var, n, typ) \ + if ((var = (typ *)calloc(n, sizeof(typ))) == NULL) goto calloc_error + +/* ---------------------------------------------------------------------- */ +/* auxiliary functions */ + +/* return a direction that is 90 degrees counterclockwise from p2-p0, + but then restricted to one of the major wind directions (n, nw, w, etc) */ +static inline point_t dorth_infty(dpoint_t p0, dpoint_t p2) { + point_t r; + + r.y = sign(p2.x-p0.x); + r.x = -sign(p2.y-p0.y); + + return r; +} + +/* return (p1-p0)x(p2-p0), the area of the parallelogram */ +static inline double dpara(dpoint_t p0, dpoint_t p1, dpoint_t p2) { + double x1, y1, x2, y2; + + x1 = p1.x-p0.x; + y1 = p1.y-p0.y; + x2 = p2.x-p0.x; + y2 = p2.y-p0.y; + + return x1*y2 - x2*y1; +} + +/* ddenom/dpara have the property that the square of radius 1 centered + at p1 intersects the line p0p2 iff |dpara(p0,p1,p2)| <= ddenom(p0,p2) */ +static inline double ddenom(dpoint_t p0, dpoint_t p2) { + point_t r = dorth_infty(p0, p2); + + return r.y*(p2.x-p0.x) - r.x*(p2.y-p0.y); +} + +/* return 1 if a <= b < c < a, in a cyclic sense (mod n) */ +static inline int cyclic(int a, int b, int c) { + if (a<=c) { + return (a<=b && blen; + sums_t *sums = pp->sums; + + double x, y, x2, xy, y2; + double k; + double a, b, c, lambda2, l; + int r=0; /* rotations from i to j */ + + while (j>=n) { + j-=n; + r+=1; + } + while (i>=n) { + i-=n; + r-=1; + } + while (j<0) { + j+=n; + r-=1; + } + while (i<0) { + i+=n; + r+=1; + } + + x = sums[j+1].x-sums[i].x+r*sums[n].x; + y = sums[j+1].y-sums[i].y+r*sums[n].y; + x2 = sums[j+1].x2-sums[i].x2+r*sums[n].x2; + xy = sums[j+1].xy-sums[i].xy+r*sums[n].xy; + y2 = sums[j+1].y2-sums[i].y2+r*sums[n].y2; + k = j+1-i+r*n; + + ctr->x = x/k; + ctr->y = y/k; + + a = (x2-(double)x*x/k)/k; + b = (xy-(double)x*y/k)/k; + c = (y2-(double)y*y/k)/k; + + lambda2 = (a+c+sqrt((a-c)*(a-c)+4*b*b))/2; /* larger e.value */ + + /* now find e.vector for lambda2 */ + a -= lambda2; + c -= lambda2; + + if (fabs(a) >= fabs(c)) { + l = sqrt(a*a+b*b); + if (l!=0) { + dir->x = -b/l; + dir->y = a/l; + } + } else { + l = sqrt(c*c+b*b); + if (l!=0) { + dir->x = -c/l; + dir->y = b/l; + } + } + if (l==0) { + dir->x = dir->y = 0; /* sometimes this can happen when k=4: + the two eigenvalues coincide */ + } +} + +/* the type of (affine) quadratic forms, represented as symmetric 3x3 + matrices. The value of the quadratic form at a vector (x,y) is v^t + Q v, where v = (x,y,1)^t. */ +typedef double quadform_t[3][3]; + +/* Apply quadratic form Q to vector w = (w.x,w.y) */ +static inline double quadform(quadform_t Q, dpoint_t w) { + double v[3]; + int i, j; + double sum; + + v[0] = w.x; + v[1] = w.y; + v[2] = 1; + sum = 0.0; + + for (i=0; i<3; i++) { + for (j=0; j<3; j++) { + sum += v[i] * Q[i][j] * v[j]; + } + } + return sum; +} + +/* calculate p1 x p2 */ +static inline int xprod(point_t p1, point_t p2) { + return p1.x*p2.y - p1.y*p2.x; +} + +/* calculate (p1-p0)x(p3-p2) */ +static inline double cprod(dpoint_t p0, dpoint_t p1, dpoint_t p2, dpoint_t p3) { + double x1, y1, x2, y2; + + x1 = p1.x - p0.x; + y1 = p1.y - p0.y; + x2 = p3.x - p2.x; + y2 = p3.y - p2.y; + + return x1*y2 - x2*y1; +} + +/* calculate (p1-p0)*(p2-p0) */ +static inline double iprod(dpoint_t p0, dpoint_t p1, dpoint_t p2) { + double x1, y1, x2, y2; + + x1 = p1.x - p0.x; + y1 = p1.y - p0.y; + x2 = p2.x - p0.x; + y2 = p2.y - p0.y; + + return x1*x2 + y1*y2; +} + +/* calculate (p1-p0)*(p3-p2) */ +static inline double iprod1(dpoint_t p0, dpoint_t p1, dpoint_t p2, dpoint_t p3) { + double x1, y1, x2, y2; + + x1 = p1.x - p0.x; + y1 = p1.y - p0.y; + x2 = p3.x - p2.x; + y2 = p3.y - p2.y; + + return x1*x2 + y1*y2; +} + +/* calculate distance between two points */ +static inline double ddist(dpoint_t p, dpoint_t q) { + return sqrt(sq(p.x-q.x)+sq(p.y-q.y)); +} + +/* calculate point of a bezier curve */ +static inline dpoint_t bezier(double t, dpoint_t p0, dpoint_t p1, dpoint_t p2, dpoint_t p3) { + double s = 1-t; + dpoint_t res; + + /* Note: a good optimizing compiler (such as gcc-3) reduces the + following to 16 multiplications, using common subexpression + elimination. */ + + res.x = s*s*s*p0.x + 3*(s*s*t)*p1.x + 3*(t*t*s)*p2.x + t*t*t*p3.x; + res.y = s*s*s*p0.y + 3*(s*s*t)*p1.y + 3*(t*t*s)*p2.y + t*t*t*p3.y; + + return res; +} + +/* calculate the point t in [0..1] on the (convex) bezier curve + (p0,p1,p2,p3) which is tangent to q1-q0. Return -1.0 if there is no + solution in [0..1]. */ +static double tangent(dpoint_t p0, dpoint_t p1, dpoint_t p2, dpoint_t p3, dpoint_t q0, dpoint_t q1) { + double A, B, C; /* (1-t)^2 A + 2(1-t)t B + t^2 C = 0 */ + double a, b, c; /* a t^2 + b t + c = 0 */ + double d, s, r1, r2; + + A = cprod(p0, p1, q0, q1); + B = cprod(p1, p2, q0, q1); + C = cprod(p2, p3, q0, q1); + + a = A - 2*B + C; + b = -2*A + 2*B; + c = A; + + d = b*b - 4*a*c; + + if (a==0 || d<0) { + return -1.0; + } + + s = sqrt(d); + + r1 = (-b + s) / (2 * a); + r2 = (-b - s) / (2 * a); + + if (r1 >= 0 && r1 <= 1) { + return r1; + } else if (r2 >= 0 && r2 <= 1) { + return r2; + } else { + return -1.0; + } +} + +/* ---------------------------------------------------------------------- */ +/* Preparation: fill in the sum* fields of a path (used for later + rapid summing). Return 0 on success, 1 with errno set on + failure. */ +static int calc_sums(privpath_t *pp) { + int i, x, y; + int n = pp->len; + + SAFE_CALLOC(pp->sums, pp->len+1, sums_t); + + /* origin */ + pp->x0 = pp->pt[0].x; + pp->y0 = pp->pt[0].y; + + /* preparatory computation for later fast summing */ + pp->sums[0].x2 = pp->sums[0].xy = pp->sums[0].y2 = pp->sums[0].x = pp->sums[0].y = 0; + for (i=0; ipt[i].x - pp->x0; + y = pp->pt[i].y - pp->y0; + pp->sums[i+1].x = pp->sums[i].x + x; + pp->sums[i+1].y = pp->sums[i].y + y; + pp->sums[i+1].x2 = pp->sums[i].x2 + (double)x*x; + pp->sums[i+1].xy = pp->sums[i].xy + (double)x*y; + pp->sums[i+1].y2 = pp->sums[i].y2 + (double)y*y; + } + return 0; + + calloc_error: + return 1; +} + +/* ---------------------------------------------------------------------- */ +/* Stage 1: determine the straight subpaths (Sec. 2.2.1). Fill in the + "lon" component of a path object (based on pt/len). For each i, + lon[i] is the furthest index such that a straight line can be drawn + from i to lon[i]. Return 1 on error with errno set, else 0. */ + +/* this algorithm depends on the fact that the existence of straight + subpaths is a triplewise property. I.e., there exists a straight + line through squares i0,...,in iff there exists a straight line + through i,j,k, for all i0<=i= 0 and xprod(constraint[1], + cur) <= 0. */ + +/* Remark for Potrace 1.1: the current implementation of calc_lon is + more complex than the implementation found in Potrace 1.0, but it + is considerably faster. The introduction of the "nc" data structure + means that we only have to test the constraints for "corner" + points. On a typical input file, this speeds up the calc_lon + function by a factor of 31.2, thereby decreasing its time share + within the overall Potrace algorithm from 72.6% to 7.82%, and + speeding up the overall algorithm by a factor of 3.36. On another + input file, calc_lon was sped up by a factor of 6.7, decreasing its + time share from 51.4% to 13.61%, and speeding up the overall + algorithm by a factor of 1.78. In any case, the savings are + substantial. */ + +/* returns 0 on success, 1 on error with errno set */ +static int calc_lon(privpath_t *pp) { + point_t *pt = pp->pt; + int n = pp->len; + int i, j, k, k1; + int ct[4], dir; + point_t constraint[2]; + point_t cur; + point_t off; + int *pivk = NULL; /* pivk[n] */ + int *nc = NULL; /* nc[n]: next corner */ + point_t dk; /* direction of k-k1 */ + int a, b, c, d; + + SAFE_CALLOC(pivk, n, int); + SAFE_CALLOC(nc, n, int); + + /* initialize the nc data structure. Point from each point to the + furthest future point to which it is connected by a vertical or + horizontal segment. We take advantage of the fact that there is + always a direction change at 0 (due to the path decomposition + algorithm). But even if this were not so, there is no harm, as + in practice, correctness does not depend on the word "furthest" + above. */ + k = 0; + for (i=n-1; i>=0; i--) { + if (pt[i].x != pt[k].x && pt[i].y != pt[k].y) { + k = i+1; /* necessarily ilon, n, int); + + /* determine pivot points: for each i, let pivk[i] be the furthest k + such that all j with i=0; i--) { + ct[0] = ct[1] = ct[2] = ct[3] = 0; + + /* keep track of "directions" that have occurred */ + dir = (3+3*(pt[mod(i+1,n)].x-pt[i].x)+(pt[mod(i+1,n)].y-pt[i].y))/2; + ct[dir]++; + + constraint[0].x = 0; + constraint[0].y = 0; + constraint[1].x = 0; + constraint[1].y = 0; + + /* find the next k such that no straight line from i to k */ + k = nc[i]; + k1 = i; + while (1) { + + dir = (3+3*sign(pt[k].x-pt[k1].x)+sign(pt[k].y-pt[k1].y))/2; + ct[dir]++; + + /* if all four "directions" have occurred, cut this path */ + if (ct[0] && ct[1] && ct[2] && ct[3]) { + pivk[i] = k1; + goto foundk; + } + + cur.x = pt[k].x - pt[i].x; + cur.y = pt[k].y - pt[i].y; + + /* see if current constraint is violated */ + if (xprod(constraint[0], cur) < 0 || xprod(constraint[1], cur) > 0) { + goto constraint_viol; + } + + /* else, update constraint */ + if (abs(cur.x) <= 1 && abs(cur.y) <= 1) { + /* no constraint */ + } else { + off.x = cur.x + ((cur.y>=0 && (cur.y>0 || cur.x<0)) ? 1 : -1); + off.y = cur.y + ((cur.x<=0 && (cur.x<0 || cur.y<0)) ? 1 : -1); + if (xprod(constraint[0], off) >= 0) { + constraint[0] = off; + } + off.x = cur.x + ((cur.y<=0 && (cur.y<0 || cur.x<0)) ? 1 : -1); + off.y = cur.y + ((cur.x>=0 && (cur.x>0 || cur.y<0)) ? 1 : -1); + if (xprod(constraint[1], off) <= 0) { + constraint[1] = off; + } + } + k1 = k; + k = nc[k1]; + if (!cyclic(k,i,k1)) { + break; + } + } + constraint_viol: + /* k1 was the last "corner" satisfying the current constraint, and + k is the first one violating it. We now need to find the last + point along k1..k which satisfied the constraint. */ + dk.x = sign(pt[k].x-pt[k1].x); + dk.y = sign(pt[k].y-pt[k1].y); + cur.x = pt[k1].x - pt[i].x; + cur.y = pt[k1].y - pt[i].y; + /* find largest integer j such that xprod(constraint[0], cur+j*dk) + >= 0 and xprod(constraint[1], cur+j*dk) <= 0. Use bilinearity + of xprod. */ + a = xprod(constraint[0], cur); + b = xprod(constraint[0], dk); + c = xprod(constraint[1], cur); + d = xprod(constraint[1], dk); + /* find largest integer j such that a+j*b>=0 and c+j*d<=0. This + can be solved with integer arithmetic. */ + j = INFTY; + if (b<0) { + j = floordiv(a,-b); + } + if (d>0) { + j = min(j, floordiv(-c,d)); + } + pivk[i] = mod(k1+j,n); + foundk: + ; + } /* for i */ + + /* clean up: for each i, let lon[i] be the largest k such that for + all i' with i<=i'lon[n-1]=j; + for (i=n-2; i>=0; i--) { + if (cyclic(i+1,pivk[i],j)) { + j=pivk[i]; + } + pp->lon[i]=j; + } + + for (i=n-1; cyclic(mod(i+1,n),j,pp->lon[i]); i--) { + pp->lon[i] = j; + } + + free(pivk); + free(nc); + return 0; + + calloc_error: + free(pivk); + free(nc); + return 1; +} + + +/* ---------------------------------------------------------------------- */ +/* Stage 2: calculate the optimal polygon (Sec. 2.2.2-2.2.4). */ + +/* Auxiliary function: calculate the penalty of an edge from i to j in + the given path. This needs the "lon" and "sum*" data. */ + +static double penalty3(privpath_t *pp, int i, int j) { + int n = pp->len; + point_t *pt = pp->pt; + sums_t *sums = pp->sums; + + /* assume 0<=i=n) { + j -= n; + r = 1; + } + + /* critical inner loop: the "if" gives a 4.6 percent speedup */ + if (r == 0) { + x = sums[j+1].x - sums[i].x; + y = sums[j+1].y - sums[i].y; + x2 = sums[j+1].x2 - sums[i].x2; + xy = sums[j+1].xy - sums[i].xy; + y2 = sums[j+1].y2 - sums[i].y2; + k = j+1 - i; + } else { + x = sums[j+1].x - sums[i].x + sums[n].x; + y = sums[j+1].y - sums[i].y + sums[n].y; + x2 = sums[j+1].x2 - sums[i].x2 + sums[n].x2; + xy = sums[j+1].xy - sums[i].xy + sums[n].xy; + y2 = sums[j+1].y2 - sums[i].y2 + sums[n].y2; + k = j+1 - i + n; + } + + px = (pt[i].x + pt[j].x) / 2.0 - pt[0].x; + py = (pt[i].y + pt[j].y) / 2.0 - pt[0].y; + ey = (pt[j].x - pt[i].x); + ex = -(pt[j].y - pt[i].y); + + a = ((x2 - 2*x*px) / k + px*px); + b = ((xy - x*py - y*px) / k + px*py); + c = ((y2 - 2*y*py) / k + py*py); + + s = ex*ex*a + 2*ex*ey*b + ey*ey*c; + + return sqrt(s); +} + +/* find the optimal polygon. Fill in the m and po components. Return 1 + on failure with errno set, else 0. Non-cyclic version: assumes i=0 + is in the polygon. Fixme: implement cyclic version. */ +static int bestpolygon(privpath_t *pp) +{ + int i, j, m, k; + int n = pp->len; + double *pen = NULL; /* pen[n+1]: penalty vector */ + int *prev = NULL; /* prev[n+1]: best path pointer vector */ + int *clip0 = NULL; /* clip0[n]: longest segment pointer, non-cyclic */ + int *clip1 = NULL; /* clip1[n+1]: backwards segment pointer, non-cyclic */ + int *seg0 = NULL; /* seg0[m+1]: forward segment bounds, m<=n */ + int *seg1 = NULL; /* seg1[m+1]: backward segment bounds, m<=n */ + double thispen; + double best; + int c; + + SAFE_CALLOC(pen, n+1, double); + SAFE_CALLOC(prev, n+1, int); + SAFE_CALLOC(clip0, n, int); + SAFE_CALLOC(clip1, n+1, int); + SAFE_CALLOC(seg0, n+1, int); + SAFE_CALLOC(seg1, n+1, int); + + /* calculate clipped paths */ + for (i=0; ilon[mod(i-1,n)]-1,n); + if (c == i) { + c = mod(i+1,n); + } + if (c < i) { + clip0[i] = n; + } else { + clip0[i] = c; + } + } + + /* calculate backwards path clipping, non-cyclic. j <= clip0[i] iff + clip1[j] <= i, for i,j=0..n. */ + j = 1; + for (i=0; i0; j--) { + seg1[j] = i; + i = clip1[i]; + } + seg1[0] = 0; + + /* now find the shortest path with m segments, based on penalty3 */ + /* note: the outer 2 loops jointly have at most n iterations, thus + the worst-case behavior here is quadratic. In practice, it is + close to linear since the inner loop tends to be short. */ + pen[0]=0; + for (j=1; j<=m; j++) { + for (i=seg1[j]; i<=seg0[j]; i++) { + best = -1; + for (k=seg0[j-1]; k>=clip1[i]; k--) { + thispen = penalty3(pp, k, i) + pen[k]; + if (best < 0 || thispen < best) { + prev[i] = k; + best = thispen; + } + } + pen[i] = best; + } + } + + pp->m = m; + SAFE_CALLOC(pp->po, m, int); + + /* read off shortest path */ + for (i=n, j=m-1; i>0; j--) { + i = prev[i]; + pp->po[j] = i; + } + + free(pen); + free(prev); + free(clip0); + free(clip1); + free(seg0); + free(seg1); + return 0; + + calloc_error: + free(pen); + free(prev); + free(clip0); + free(clip1); + free(seg0); + free(seg1); + return 1; +} + +/* ---------------------------------------------------------------------- */ +/* Stage 3: vertex adjustment (Sec. 2.3.1). */ + +/* Adjust vertices of optimal polygon: calculate the intersection of + the two "optimal" line segments, then move it into the unit square + if it lies outside. Return 1 with errno set on error; 0 on + success. */ + +static int adjust_vertices(privpath_t *pp) { + int m = pp->m; + int *po = pp->po; + int n = pp->len; + point_t *pt = pp->pt; + int x0 = pp->x0; + int y0 = pp->y0; + + dpoint_t *ctr = NULL; /* ctr[m] */ + dpoint_t *dir = NULL; /* dir[m] */ + quadform_t *q = NULL; /* q[m] */ + double v[3]; + double d; + int i, j, k, l; + dpoint_t s; + int r; + + SAFE_CALLOC(ctr, m, dpoint_t); + SAFE_CALLOC(dir, m, dpoint_t); + SAFE_CALLOC(q, m, quadform_t); + + r = privcurve_init(&pp->curve, m); + if (r) { + goto calloc_error; + } + + /* calculate "optimal" point-slope representation for each line + segment */ + for (i=0; iQ[1][1]) { + v[0] = -Q[0][1]; + v[1] = Q[0][0]; + } else if (Q[1][1]) { + v[0] = -Q[1][1]; + v[1] = Q[1][0]; + } else { + v[0] = 1; + v[1] = 0; + } + d = sq(v[0]) + sq(v[1]); + v[2] = - v[1] * s.y - v[0] * s.x; + for (l=0; l<3; l++) { + for (k=0; k<3; k++) { + Q[l][k] += v[l] * v[k] / d; + } + } + } + dx = fabs(w.x-s.x); + dy = fabs(w.y-s.y); + if (dx <= .5 && dy <= .5) { + pp->curve.vertex[i].x = w.x+x0; + pp->curve.vertex[i].y = w.y+y0; + continue; + } + + /* the minimum was not in the unit square; now minimize quadratic + on boundary of square */ + min = quadform(Q, s); + xmin = s.x; + ymin = s.y; + + if (Q[0][0] == 0.0) { + goto fixx; + } + for (z=0; z<2; z++) { /* value of the y-coordinate */ + w.y = s.y-0.5+z; + w.x = - (Q[0][1] * w.y + Q[0][2]) / Q[0][0]; + dx = fabs(w.x-s.x); + cand = quadform(Q, w); + if (dx <= .5 && cand < min) { + min = cand; + xmin = w.x; + ymin = w.y; + } + } + fixx: + if (Q[1][1] == 0.0) { + goto corners; + } + for (z=0; z<2; z++) { /* value of the x-coordinate */ + w.x = s.x-0.5+z; + w.y = - (Q[1][0] * w.x + Q[1][2]) / Q[1][1]; + dy = fabs(w.y-s.y); + cand = quadform(Q, w); + if (dy <= .5 && cand < min) { + min = cand; + xmin = w.x; + ymin = w.y; + } + } + corners: + /* check four corners */ + for (l=0; l<2; l++) { + for (k=0; k<2; k++) { + w.x = s.x-0.5+l; + w.y = s.y-0.5+k; + cand = quadform(Q, w); + if (cand < min) { + min = cand; + xmin = w.x; + ymin = w.y; + } + } + } + + pp->curve.vertex[i].x = xmin + x0; + pp->curve.vertex[i].y = ymin + y0; + continue; + } + + free(ctr); + free(dir); + free(q); + return 0; + + calloc_error: + free(ctr); + free(dir); + free(q); + return 1; +} + +/* ---------------------------------------------------------------------- */ +/* Stage 4: smoothing and corner analysis (Sec. 2.3.3) */ + +/* reverse orientation of a path */ +static void reverse(privcurve_t *curve) { + int m = curve->n; + int i, j; + dpoint_t tmp; + + for (i=0, j=m-1; ivertex[i]; + curve->vertex[i] = curve->vertex[j]; + curve->vertex[j] = tmp; + } +} + +/* Always succeeds */ +static void smooth(privcurve_t *curve, double alphamax) { + int m = curve->n; + + int i, j, k; + double dd, denom, alpha; + dpoint_t p2, p3, p4; + + /* examine each vertex and find its best fit */ + for (i=0; ivertex[k], curve->vertex[j]); + + denom = ddenom(curve->vertex[i], curve->vertex[k]); + if (denom != 0.0) { + dd = dpara(curve->vertex[i], curve->vertex[j], curve->vertex[k]) / denom; + dd = fabs(dd); + alpha = dd>1 ? (1 - 1.0/dd) : 0; + alpha = alpha / 0.75; + } else { + alpha = 4/3.0; + } + curve->alpha0[j] = alpha; /* remember "original" value of alpha */ + + if (alpha >= alphamax) { /* pointed corner */ + curve->tag[j] = POTRACE_CORNER; + curve->c[j][1] = curve->vertex[j]; + curve->c[j][2] = p4; + } else { + if (alpha < 0.55) { + alpha = 0.55; + } else if (alpha > 1) { + alpha = 1; + } + p2 = interval(.5+.5*alpha, curve->vertex[i], curve->vertex[j]); + p3 = interval(.5+.5*alpha, curve->vertex[k], curve->vertex[j]); + curve->tag[j] = POTRACE_CURVETO; + curve->c[j][0] = p2; + curve->c[j][1] = p3; + curve->c[j][2] = p4; + } + curve->alpha[j] = alpha; /* store the "cropped" value of alpha */ + curve->beta[j] = 0.5; + } + curve->alphacurve = 1; + + return; +} + +/* ---------------------------------------------------------------------- */ +/* Stage 5: Curve optimization (Sec. 2.4) */ + +/* a private type for the result of opti_penalty */ +struct opti_s { + double pen; /* penalty */ + dpoint_t c[2]; /* curve parameters */ + double t, s; /* curve parameters */ + double alpha; /* curve parameter */ +}; +typedef struct opti_s opti_t; + +/* calculate best fit from i+.5 to j+.5. Assume icurve.n; + int k, k1, k2, conv, i1; + double area, alpha, d, d1, d2; + dpoint_t p0, p1, p2, p3, pt; + double A, R, A1, A2, A3, A4; + double s, t; + + /* check convexity, corner-freeness, and maximum bend < 179 degrees */ + + if (i==j) { /* sanity - a full loop can never be an opticurve */ + return 1; + } + + k = i; + i1 = mod(i+1, m); + k1 = mod(k+1, m); + conv = convc[k1]; + if (conv == 0) { + return 1; + } + d = ddist(pp->curve.vertex[i], pp->curve.vertex[i1]); + for (k=k1; k!=j; k=k1) { + k1 = mod(k+1, m); + k2 = mod(k+2, m); + if (convc[k1] != conv) { + return 1; + } + if (sign(cprod(pp->curve.vertex[i], pp->curve.vertex[i1], pp->curve.vertex[k1], pp->curve.vertex[k2])) != conv) { + return 1; + } + if (iprod1(pp->curve.vertex[i], pp->curve.vertex[i1], pp->curve.vertex[k1], pp->curve.vertex[k2]) < d * ddist(pp->curve.vertex[k1], pp->curve.vertex[k2]) * COS179) { + return 1; + } + } + + /* the curve we're working in: */ + p0 = pp->curve.c[mod(i,m)][2]; + p1 = pp->curve.vertex[mod(i+1,m)]; + p2 = pp->curve.vertex[mod(j,m)]; + p3 = pp->curve.c[mod(j,m)][2]; + + /* determine its area */ + area = areac[j] - areac[i]; + area -= dpara(pp->curve.vertex[0], pp->curve.c[i][2], pp->curve.c[j][2])/2; + if (i>=j) { + area += areac[m]; + } + + /* find intersection o of p0p1 and p2p3. Let t,s such that o = + interval(t,p0,p1) = interval(s,p3,p2). Let A be the area of the + triangle (p0,o,p3). */ + + A1 = dpara(p0, p1, p2); + A2 = dpara(p0, p1, p3); + A3 = dpara(p0, p2, p3); + /* A4 = dpara(p1, p2, p3); */ + A4 = A1+A3-A2; + + if (A2 == A1) { /* this should never happen */ + return 1; + } + + t = A3/(A3-A4); + s = A2/(A2-A1); + A = A2 * t / 2.0; + + if (A == 0.0) { /* this should never happen */ + return 1; + } + + R = area / A; /* relative area */ + alpha = 2 - sqrt(4 - R / 0.3); /* overall alpha for p0-o-p3 curve */ + + res->c[0] = interval(t * alpha, p0, p1); + res->c[1] = interval(s * alpha, p3, p2); + res->alpha = alpha; + res->t = t; + res->s = s; + + p1 = res->c[0]; + p2 = res->c[1]; /* the proposed curve is now (p0,p1,p2,p3) */ + + res->pen = 0; + + /* calculate penalty */ + /* check tangency with edges */ + for (k=mod(i+1,m); k!=j; k=k1) { + k1 = mod(k+1,m); + t = tangent(p0, p1, p2, p3, pp->curve.vertex[k], pp->curve.vertex[k1]); + if (t<-.5) { + return 1; + } + pt = bezier(t, p0, p1, p2, p3); + d = ddist(pp->curve.vertex[k], pp->curve.vertex[k1]); + if (d == 0.0) { /* this should never happen */ + return 1; + } + d1 = dpara(pp->curve.vertex[k], pp->curve.vertex[k1], pt) / d; + if (fabs(d1) > opttolerance) { + return 1; + } + if (iprod(pp->curve.vertex[k], pp->curve.vertex[k1], pt) < 0 || iprod(pp->curve.vertex[k1], pp->curve.vertex[k], pt) < 0) { + return 1; + } + res->pen += sq(d1); + } + + /* check corners */ + for (k=i; k!=j; k=k1) { + k1 = mod(k+1,m); + t = tangent(p0, p1, p2, p3, pp->curve.c[k][2], pp->curve.c[k1][2]); + if (t<-.5) { + return 1; + } + pt = bezier(t, p0, p1, p2, p3); + d = ddist(pp->curve.c[k][2], pp->curve.c[k1][2]); + if (d == 0.0) { /* this should never happen */ + return 1; + } + d1 = dpara(pp->curve.c[k][2], pp->curve.c[k1][2], pt) / d; + d2 = dpara(pp->curve.c[k][2], pp->curve.c[k1][2], pp->curve.vertex[k1]) / d; + d2 *= 0.75 * pp->curve.alpha[k1]; + if (d2 < 0) { + d1 = -d1; + d2 = -d2; + } + if (d1 < d2 - opttolerance) { + return 1; + } + if (d1 < d2) { + res->pen += sq(d1 - d2); + } + } + + return 0; +} + +/* optimize the path p, replacing sequences of Bezier segments by a + single segment when possible. Return 0 on success, 1 with errno set + on failure. */ +static int opticurve(privpath_t *pp, double opttolerance) { + int m = pp->curve.n; + int *pt = NULL; /* pt[m+1] */ + double *pen = NULL; /* pen[m+1] */ + int *len = NULL; /* len[m+1] */ + opti_t *opt = NULL; /* opt[m+1] */ + int om; + int i,j,r; + opti_t o; + dpoint_t p0; + int i1; + double area; + double alpha; + double *s = NULL; + double *t = NULL; + + int *convc = NULL; /* conv[m]: pre-computed convexities */ + double *areac = NULL; /* cumarea[m+1]: cache for fast area computation */ + + SAFE_CALLOC(pt, m+1, int); + SAFE_CALLOC(pen, m+1, double); + SAFE_CALLOC(len, m+1, int); + SAFE_CALLOC(opt, m+1, opti_t); + SAFE_CALLOC(convc, m, int); + SAFE_CALLOC(areac, m+1, double); + + /* pre-calculate convexity: +1 = right turn, -1 = left turn, 0 = corner */ + for (i=0; icurve.tag[i] == POTRACE_CURVETO) { + convc[i] = sign(dpara(pp->curve.vertex[mod(i-1,m)], pp->curve.vertex[i], pp->curve.vertex[mod(i+1,m)])); + } else { + convc[i] = 0; + } + } + + /* pre-calculate areas */ + area = 0.0; + areac[0] = 0.0; + p0 = pp->curve.vertex[0]; + for (i=0; icurve.tag[i1] == POTRACE_CURVETO) { + alpha = pp->curve.alpha[i1]; + area += 0.3*alpha*(4-alpha)*dpara(pp->curve.c[i][2], pp->curve.vertex[i1], pp->curve.c[i1][2])/2; + area += dpara(p0, pp->curve.c[i][2], pp->curve.c[i1][2])/2; + } + areac[i+1] = area; + } + + pt[0] = -1; + pen[0] = 0; + len[0] = 0; + + /* Fixme: we always start from a fixed point -- should find the best + curve cyclically */ + + for (j=1; j<=m; j++) { + /* calculate best path from 0 to j */ + pt[j] = j-1; + pen[j] = pen[j-1]; + len[j] = len[j-1]+1; + + for (i=j-2; i>=0; i--) { + r = opti_penalty(pp, i, mod(j,m), &o, opttolerance, convc, areac); + if (r) { + break; + } + if (len[j] > len[i]+1 || (len[j] == len[i]+1 && pen[j] > pen[i] + o.pen)) { + pt[j] = i; + pen[j] = pen[i] + o.pen; + len[j] = len[i] + 1; + opt[j] = o; + } + } + } + om = len[m]; + r = privcurve_init(&pp->ocurve, om); + if (r) { + goto calloc_error; + } + SAFE_CALLOC(s, om, double); + SAFE_CALLOC(t, om, double); + + j = m; + for (i=om-1; i>=0; i--) { + if (pt[j]==j-1) { + pp->ocurve.tag[i] = pp->curve.tag[mod(j,m)]; + pp->ocurve.c[i][0] = pp->curve.c[mod(j,m)][0]; + pp->ocurve.c[i][1] = pp->curve.c[mod(j,m)][1]; + pp->ocurve.c[i][2] = pp->curve.c[mod(j,m)][2]; + pp->ocurve.vertex[i] = pp->curve.vertex[mod(j,m)]; + pp->ocurve.alpha[i] = pp->curve.alpha[mod(j,m)]; + pp->ocurve.alpha0[i] = pp->curve.alpha0[mod(j,m)]; + pp->ocurve.beta[i] = pp->curve.beta[mod(j,m)]; + s[i] = t[i] = 1.0; + } else { + pp->ocurve.tag[i] = POTRACE_CURVETO; + pp->ocurve.c[i][0] = opt[j].c[0]; + pp->ocurve.c[i][1] = opt[j].c[1]; + pp->ocurve.c[i][2] = pp->curve.c[mod(j,m)][2]; + pp->ocurve.vertex[i] = interval(opt[j].s, pp->curve.c[mod(j,m)][2], pp->curve.vertex[mod(j,m)]); + pp->ocurve.alpha[i] = opt[j].alpha; + pp->ocurve.alpha0[i] = opt[j].alpha; + s[i] = opt[j].s; + t[i] = opt[j].t; + } + j = pt[j]; + } + + /* calculate beta parameters */ + for (i=0; iocurve.beta[i] = s[i] / (s[i] + t[i1]); + } + pp->ocurve.alphacurve = 1; + + free(pt); + free(pen); + free(len); + free(opt); + free(s); + free(t); + free(convc); + free(areac); + return 0; + + calloc_error: + free(pt); + free(pen); + free(len); + free(opt); + free(s); + free(t); + free(convc); + free(areac); + return 1; +} + +/* ---------------------------------------------------------------------- */ + +#define TRY(x) if (x) goto try_error + +/* return 0 on success, 1 on error with errno set. */ +int process_path(path_t *plist, const potrace_param_t *param, progress_t *progress) { + path_t *p; + double nn = 0, cn = 0; + + if (progress->callback) { + /* precompute task size for progress estimates */ + nn = 0; + list_forall (p, plist) { + nn += p->priv->len; + } + cn = 0; + } + + /* call downstream function with each path */ + list_forall (p, plist) { + TRY(calc_sums(p->priv)); + TRY(calc_lon(p->priv)); + TRY(bestpolygon(p->priv)); + TRY(adjust_vertices(p->priv)); + if (p->sign == '-') { /* reverse orientation of negative paths */ + reverse(&p->priv->curve); + } + smooth(&p->priv->curve, param->alphamax); + if (param->opticurve) { + TRY(opticurve(p->priv, param->opttolerance)); + p->priv->fcurve = &p->priv->ocurve; + } else { + p->priv->fcurve = &p->priv->curve; + } + privcurve_to_curve(p->priv->fcurve, &p->curve); + + if (progress->callback) { + cn += p->priv->len; + progress_update(cn/nn, progress); + } + } + + progress_update(1.0, progress); + + return 0; + + try_error: + return 1; +} diff --git a/Build/source/texk/web2c/mfluadir/potrace/trace.h b/Build/source/texk/web2c/mfluadir/potrace/trace.h new file mode 100644 index 00000000000..7ddcb89c7bc --- /dev/null +++ b/Build/source/texk/web2c/mfluadir/potrace/trace.h @@ -0,0 +1,15 @@ +/* Copyright (C) 2001-2019 Peter Selinger. + This file is part of Potrace. It is free software and it is covered + by the GNU General Public License. See the file COPYING for details. */ + + +#ifndef TRACE_H +#define TRACE_H + +#include "potracelib.h" +#include "progress.h" +#include "curve.h" + +int process_path(path_t *plist, const potrace_param_t *param, progress_t *progress); + +#endif /* TRACE_H */ diff --git a/Build/source/texk/web2c/mfluajitdir/ChangeLog b/Build/source/texk/web2c/mfluajitdir/ChangeLog index 5337e281a67..aa75e43ea2e 100644 --- a/Build/source/texk/web2c/mfluajitdir/ChangeLog +++ b/Build/source/texk/web2c/mfluajitdir/ChangeLog @@ -1,11 +1,8 @@ -2022-01-10 Karl Berry - - * am/mfluajit.am: do not silence tangle-sh. - 2017-04-16 Luigi Scarso * am/mfluajit.am: delete useless lua files + 2016-04-05 Karl Berry * am/mflua.am: no need for inimfluajit. diff --git a/Build/source/texk/web2c/mfluajitdir/am/mfluajit.am b/Build/source/texk/web2c/mfluajitdir/am/mfluajit.am index 180b6617e24..fa3b23646a9 100644 --- a/Build/source/texk/web2c/mfluajitdir/am/mfluajit.am +++ b/Build/source/texk/web2c/mfluajitdir/am/mfluajit.am @@ -1,7 +1,6 @@ -## $Id$ ## texk/web2c/mfluajitdir/am/mfluajit.am: Makefile fragment for MFLuaJIT. ## -## Copyright 2016-2022 Karl Berry +## Copyright 2016 Karl Berry ## Copyright 2015 Peter Breitenlohner ## You may freely use, modify and/or distribute this file. @@ -43,11 +42,11 @@ endif WIN32 dist_mfluajit_SOURCES = mfluajitdir/mfluajitextra.c mfluajitdir/mfluajitextra.h mfluadir/mflua_version.h mfluajit_CPPFLAGS = $(AM_CPPFLAGS) $(X_CFLAGS) $(LUAJIT_INCLUDES) $(LUAJIT_DEFINES) -mfluajit_LDADD = libmfluajit.a libmfluaotfcc.a $(LDADD) $(windowlib) $(mf_x_libs) $(LUAJIT_LIBS) +mfluajit_LDADD = libmfluajit.a libmfluaotfcc.a libmfluapotrace.a libmfluajitlpeg.a $(LDADD) $(windowlib) $(mf_x_libs) $(LUAJIT_LIBS) mfluajit_LDFLAGS = -export-dynamic $(LUAJIT_LDEXTRA) nodist_mfluajit_nowin_SOURCES = $(dist_mfluajit_SOURCES) mfluajit_nowin_CPPFLAGS = $(mfluajit_CPPFLAGS) -DMFNOWIN $(LUAJIT_INCLUDES) $(LUAJIT_DEFINES) -mfluajit_nowin_LDADD = libmfluajit.a libmfluaotfcc.a $(LDADD) $(windowlib) $(LUAJIT_LIBS) +mfluajit_nowin_LDADD = libmfluajit.a libmfluaotfcc.a libmfluapotrace.a libmfluajitlpeg.a $(LDADD) $(windowlib) $(LUAJIT_LIBS) mfluajit_nowin_LDFLAGS = -export-dynamic $(LUAJIT_LDEXTRA) # We must create mfluajitd.h and mfluadir/mflua_version.h before compiling mfluajitextra.c. @@ -56,7 +55,7 @@ $(mfluajit_OBJECTS) $(mfluajit_nowin_OBJECTS): mfluajitd.h mfluadir/mflua_versio ## mfluajit and mfluajit-nowin compile mfluajitextra.c with different CPPFLAGS. ## Automake, however, does not support CPPFLAGS for individual source files. ## To avoid compiling everything twice, the common objects are in a library. -EXTRA_LIBRARIES += libmfluajit.a libmfluaotfcc.a +EXTRA_LIBRARIES += libmfluajit.a libmfluaotfcc.a libmfluapotrace.a libmfluajitlpeg.a # MFLuaJIT C sources mfluajit_c_h = mfluajitini.c mfluajit0.c mfluajitcoerce.h mfluajitd.h @@ -77,9 +76,9 @@ mfluajit-pool.c: mfluajit.pool mfluajitd.h $(makecpool_stamp) # Tangling MFLuaJIT mfluajit.p mfluajit.pool: mfluajit-tangle - $(texmf_tangle) mfluajit mfluajit + @$(texmf_tangle) mfluajit mfluajit mfluajit-tangle: tangle$(EXEEXT) mfluajit.web mfluajit.ch tangle-sh - $(texmf_tangle) mfluajit mfluajit + @$(texmf_tangle) mfluajit mfluajit # Generate mfluajit.web mfluajit.web: tie$(EXEEXT) $(mfluajit_web_srcs) @@ -134,5 +133,3 @@ EXTRA_DIST += \ mfluadir/mfluatrap/mflua_ttx_backend.lua \ mfluadir/mfluatrap/texmf.cnf \ mfluadir/mfluatrap/mfluatrap.diffs - -# (end of mfluajit.am) diff --git a/Build/source/texk/web2c/mfluajitdir/am/mfluajitlpeg.am b/Build/source/texk/web2c/mfluajitdir/am/mfluajitlpeg.am new file mode 100644 index 00000000000..41c4661735f --- /dev/null +++ b/Build/source/texk/web2c/mfluajitdir/am/mfluajitlpeg.am @@ -0,0 +1,25 @@ +## texk/web2c/mfluajitdir/am/mfluajitlpeg.am: Makefile fragment for libmfluajitlpeg. +## +## Copyright (C) 2022 Luigi Scarso +## You may freely use, modify and/or distribute this file. + +## mfluajitlpeg +## +EXTRA_LIBRARIES += libmfluajitlpeg.a + +$(libmfluajitlpeg_a_OBJECTS): $(LUA_DEPEND) + +libmfluajitlpeg_a_CPPFLAGS = \ + -I$(top_srcdir)/mfluadir/luapeg \ + $(LUAJIT_INCLUDES) + + +libmfluajitlpeg_a_CFLAGS = # $(WARNING_CFLAGS) + + +libmfluajitlpeg_a_SOURCES = \ + mfluadir/luapeg/lpeg.c \ + mfluadir/luapeg/lpeg.h + + + -- cgit v1.2.3