avoid calling "tail return" hooks if the hook itself turns off the event

This commit is contained in:
Roberto Ierusalimschy 2008-01-18 20:36:50 -02:00
parent 7a3c8314ac
commit e7c989baf1
1 changed files with 2 additions and 2 deletions

4
ldo.c
View File

@ -1,5 +1,5 @@
/*
** $Id: ldo.c,v 2.44 2006/10/10 17:40:17 roberto Exp roberto $
** $Id: ldo.c,v 2.45 2007/03/27 14:11:38 roberto Exp roberto $
** Stack and Call structure of Lua
** See Copyright Notice in lua.h
*/
@ -332,7 +332,7 @@ static StkId callrethooks (lua_State *L, StkId firstResult) {
ptrdiff_t fr = savestack(L, firstResult); /* next call may change stack */
luaD_callhook(L, LUA_HOOKRET, -1);
if (f_isLua(L->ci)) { /* Lua function? */
while (L->ci->tailcalls--) /* call hook for possible tail calls */
while ((L->hookmask & LUA_MASKRET) && L->ci->tailcalls--) /* tail calls */
luaD_callhook(L, LUA_HOOKTAILRET, -1);
}
return restorestack(L, fr);