commit fa19baab7ffd96cecb1defe4ad81084c612d2704
parent 2f8351fe48b21d935e1a1889a1c61cecd1d450ba
Author: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Tue, 19 Feb 2008 15:53:46 -0300
proxies must be created with a __gc field in their metatables to work
properly with new semantics for finalizers
Diffstat:
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/lbaselib.c b/lbaselib.c
@@ -1,5 +1,5 @@
/*
-** $Id: lbaselib.c,v 1.203 2008/02/11 19:14:52 roberto Exp roberto $
+** $Id: lbaselib.c,v 1.204 2008/02/14 16:03:09 roberto Exp roberto $
** Basic library
** See Copyright Notice in lua.h
*/
@@ -418,7 +418,9 @@ static int luaB_newproxy (lua_State *L) {
if (lua_toboolean(L, 1) == 0)
return 1; /* no metatable */
else if (lua_isboolean(L, 1)) {
- lua_newtable(L); /* create a new metatable `m' ... */
+ lua_createtable(L, 0, 1); /* create a new metatable `m' ... */
+ lua_pushboolean(L, 1);
+ lua_setfield(L, -2, "__gc"); /* ... m.__gc = false (HACK!!)... */
lua_pushvalue(L, -1); /* ... and mark `m' as a valid metatable */
lua_pushboolean(L, 1);
lua_rawset(L, lua_upvalueindex(1)); /* weaktable[m] = true */