prepare for luaTeX 0.75.0: Add luatexdir/lua52/

git-svn-id: svn://tug.org/texlive/trunk@29366 c570f23f-e606-0410-a88d-b1316a301751

1 files changed, 46 insertions, 0 deletions

diff --git a/Build/source/texk/web2c/luatexdir/lua52/lstring.h b/Build/source/texk/web2c/luatexdir/lua52/lstring.h
new file mode 100644
index 00000000000..d312ff3d2b1
--- /dev/null
+++ b/Build/source/texk/web2c/luatexdir/lua52/lstring.h
@@ -0,0 +1,46 @@
+/*
+** $Id: lstring.h,v 1.49 2012/02/01 21:57:15 roberto Exp $
+** String table (keep all strings handled by Lua)
+** See Copyright Notice in lua.h
+*/
+
+#ifndef lstring_h
+#define lstring_h
+
+#include "lgc.h"
+#include "lobject.h"
+#include "lstate.h"
+
+
+#define sizestring(s)	(sizeof(union TString)+((s)->len+1)*sizeof(char))
+
+#define sizeudata(u)	(sizeof(union Udata)+(u)->len)
+
+#define luaS_newliteral(L, s)	(luaS_newlstr(L, "" s, \
+                                 (sizeof(s)/sizeof(char))-1))
+
+#define luaS_fix(s)	l_setbit((s)->tsv.marked, FIXEDBIT)
+
+
+/*
+** test whether a string is a reserved word
+*/
+#define isreserved(s)	((s)->tsv.tt == LUA_TSHRSTR && (s)->tsv.extra > 0)
+
+
+/*
+** equality for short strings, which are always internalized
+*/
+#define eqshrstr(a,b)	check_exp((a)->tsv.tt == LUA_TSHRSTR, (a) == (b))
+
+
+LUAI_FUNC unsigned int luaS_hash (const char *str, size_t l, unsigned int seed);
+LUAI_FUNC int luaS_eqlngstr (TString *a, TString *b);
+LUAI_FUNC int luaS_eqstr (TString *a, TString *b);
+LUAI_FUNC void luaS_resize (lua_State *L, int newsize);
+LUAI_FUNC Udata *luaS_newudata (lua_State *L, size_t s, Table *e);
+LUAI_FUNC TString *luaS_newlstr (lua_State *L, const char *str, size_t l);
+LUAI_FUNC TString *luaS_new (lua_State *L, const char *str);
+
+
+#endif