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support for light' userdata + simpler support for boxed' udata

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This commit is contained in:
Roberto Ierusalimschy
2002-04-05 15:54:31 -03:00
parent f438d00ef3
commit 237969724f
12 changed files with 71 additions and 64 deletions
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16
lua.h
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@@ -1,5 +1,5 @@
/*
** $Id: lua.h,v 1.124 2002/03/27 12:49:53 roberto Exp roberto $
** $Id: lua.h,v 1.125 2002/03/27 15:30:41 roberto Exp roberto $
** Lua - An Extensible Extension Language
** TeCGraf: Grupo de Tecnologia em Computacao Grafica, PUC-Rio, Brazil
** e-mail: info@lua.org
@@ -17,8 +17,8 @@
#define LUA_VERSION "Lua 4.1 (beta)"
#define LUA_COPYRIGHT "Copyright (C) 1994-2001 TeCGraf, PUC-Rio"
#define LUA_VERSION "Lua 5.0 (alpha)"
#define LUA_COPYRIGHT "Copyright (C) 1994-2002 TeCGraf, PUC-Rio"
#define LUA_AUTHORS "W. Celes, R. Ierusalimschy & L. H. de Figueiredo"
@@ -63,7 +63,8 @@ typedef int (*lua_CFunction) (lua_State *L);
#define LUA_TBOOLEAN 3
#define LUA_TTABLE 4
#define LUA_TUSERDATA 5
#define LUA_TFUNCTION 6
#define LUA_TUDATAVAL 6
#define LUA_TFUNCTION 7
/* minimum Lua stack available to a C function */
@@ -143,6 +144,7 @@ LUA_API void lua_pushlstring (lua_State *L, const char *s, size_t len);
LUA_API void lua_pushstring (lua_State *L, const char *s);
LUA_API void lua_pushcclosure (lua_State *L, lua_CFunction fn, int n);
LUA_API void lua_pushboolean (lua_State *L, int b);
LUA_API void lua_pushudataval (lua_State *L, void *p);
/*
@@ -204,7 +206,6 @@ LUA_API int lua_getn (lua_State *L, int index);
LUA_API void lua_concat (lua_State *L, int n);
LUA_API void *lua_newuserdata (lua_State *L, size_t size);
LUA_API void lua_newuserdatabox (lua_State *L, void *u);
@@ -214,6 +215,11 @@ LUA_API void lua_newuserdatabox (lua_State *L, void *u);
** ===============================================================
*/
#define lua_newpointerbox(L,u) \
(*(void **)(lua_newuserdata(L, sizeof(void *))) = (u))
#define lua_getfrombox(L,i) (*(void **)(lua_touserdata(L, i)))
#define lua_pop(L,n) lua_settop(L, -(n)-1)
#define lua_register(L,n,f) \