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registry mechanism

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This commit is contained in:
Roberto Ierusalimschy
2000-10-24 17:12:06 -02:00
parent e833bd47c9
commit cdc8139e29
3 changed files with 50 additions and 38 deletions
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8
lua.h
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@@ -1,5 +1,5 @@
/*
** $Id: lua.h,v 1.74 2000/10/09 15:46:43 roberto Exp roberto $
** $Id: lua.h,v 1.75 2000/10/20 16:39:03 roberto Exp roberto $
** Lua - An Extensible Extension Language
** TeCGraf: Grupo de Tecnologia em Computacao Grafica, PUC-Rio, Brazil
** e-mail: lua@tecgraf.puc-rio.br
@@ -29,12 +29,16 @@
#define LUA_ERRORMESSAGE "_ERRORMESSAGE"
/* pre-defined references */
#define LUA_NOREF (-2)
#define LUA_REFNIL (-1)
#define LUA_REFREGISTRY 0
/* pre-defined tags */
#define LUA_ANYTAG (-1)
#define LUA_NOTAG (-2)
#define LUA_MULTRET (-1)
@@ -198,6 +202,8 @@ LUA_API void lua_concat (lua_State *L, int n);
#define lua_isnil(L,n) (lua_type(L,n) == LUA_TNIL)
#define lua_isnull(L,n) (lua_type(L,n) == LUA_TNONE)
#define lua_getregistry(L) lua_getref(L, LUA_REFREGISTRY)
#endif