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bug: __newindex metamethod may not work if metatable is its own

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metatable + luaV_settable does not create entry when there is a
metamethod (and therefore entry is useless)
This commit is contained in:
Roberto Ierusalimschy
2011-08-17 17:26:47 -03:00
parent 166dd0261a
commit 89b59eee73
4 changed files with 44 additions and 26 deletions
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3
lapi.c
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@@ -1,5 +1,5 @@
/*
** $Id: lapi.c,v 2.149 2011/06/13 14:13:06 roberto Exp roberto $
** $Id: lapi.c,v 2.150 2011/08/09 20:58:29 roberto Exp roberto $
** Lua API
** See Copyright Notice in lua.h
*/
@@ -732,6 +732,7 @@ LUA_API void lua_rawset (lua_State *L, int idx) {
t = index2addr(L, idx);
api_check(L, ttistable(t), "table expected");
setobj2t(L, luaH_set(L, hvalue(t), L->top-2), L->top-1);
invalidateTMcache(hvalue(t));
luaC_barrierback(L, gcvalue(t), L->top-1);
L->top -= 2;
lua_unlock(L);