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finalizers (__gc) for tables

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Roberto Ierusalimschy
2010-11-26 12:32:31 -02:00
parent 5b33e39855
commit 9b7a12c46d
7 changed files with 63 additions and 57 deletions
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5
lapi.c
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@@ -1,5 +1,5 @@
/*
** $Id: lapi.c,v 2.139 2010/10/25 20:31:11 roberto Exp roberto $
** $Id: lapi.c,v 2.141 2010/11/18 19:15:00 roberto Exp roberto $
** Lua API
** See Copyright Notice in lua.h
*/
@@ -760,13 +760,14 @@ LUA_API int lua_setmetatable (lua_State *L, int objindex) {
hvalue(obj)->metatable = mt;
if (mt)
luaC_objbarrierback(L, gcvalue(obj), mt);
luaC_checkfinalizer(L, gcvalue(obj), mt);
break;
}
case LUA_TUSERDATA: {
uvalue(obj)->metatable = mt;
if (mt) {
luaC_objbarrier(L, rawuvalue(obj), mt);
luaC_checkfinalizer(L, rawuvalue(obj));
luaC_checkfinalizer(L, gcvalue(obj), mt);
}
break;
}