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new semantics for pushuserdata (no more different userdatas with same value)

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Roberto Ierusalimschy
2001-02-09 17:53:16 -02:00
parent dc17a9cc24
commit 6875fdc8be
5 changed files with 34 additions and 25 deletions
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7
lua.h
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@@ -1,5 +1,5 @@
/*
** $Id: lua.h,v 1.84 2001/01/25 16:45:36 roberto Exp roberto $
** $Id: lua.h,v 1.85 2001/01/26 11:45:51 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
@@ -32,7 +32,6 @@
#define LUA_REFREGISTRY 0
/* pre-defined tags */
#define LUA_ANYTAG (-1)
#define LUA_NOTAG (-2)
@@ -137,7 +136,7 @@ LUA_API void lua_pushnumber (lua_State *L, lua_Number n);
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_pushusertag (lua_State *L, void *u, int tag);
LUA_API int lua_pushuserdata (lua_State *L, void *u);
/*
@@ -210,7 +209,7 @@ LUA_API void *lua_newuserdata (lua_State *L, size_t size);
#define lua_pop(L,n) lua_settop(L, -(n)-1)
#define lua_register(L,n,f) (lua_pushcfunction(L, f), lua_setglobal(L, n))
#define lua_pushuserdata(L,u) lua_pushusertag(L, u, 0)
#define lua_pushusertag(L,u,t) (lua_pushuserdata(L, u), lua_settag(L, t))
#define lua_pushcfunction(L,f) lua_pushcclosure(L, f, 0)
#define lua_clonetag(L,t) lua_copytagmethods(L, lua_newtag(L), (t))