checks garbage collector every time it calls a function (as the

stack can grow and so allocates more memory)
This commit is contained in:
Roberto Ierusalimschy 2012-08-28 15:30:45 -03:00
parent a3e1c40d6d
commit 2dc91ca5ee
1 changed files with 4 additions and 3 deletions

7
ldo.c
View File

@ -1,5 +1,5 @@
/*
** $Id: ldo.c,v 2.105 2012/06/08 15:14:04 roberto Exp roberto $
** $Id: ldo.c,v 2.106 2012/06/29 19:23:33 roberto Exp roberto $
** Stack and Call structure of Lua
** See Copyright Notice in lua.h
*/
@ -311,6 +311,7 @@ int luaD_precall (lua_State *L, StkId func, int nresults) {
ci->top = L->top + LUA_MINSTACK;
lua_assert(ci->top <= L->stack_last);
ci->callstatus = 0;
luaC_checkGC(L); /* stack grow uses memory */
if (L->hookmask & LUA_MASKCALL)
luaD_hook(L, LUA_HOOKCALL, -1);
lua_unlock(L);
@ -338,6 +339,7 @@ int luaD_precall (lua_State *L, StkId func, int nresults) {
ci->u.l.savedpc = p->code; /* starting point */
ci->callstatus = CIST_LUA;
L->top = ci->top;
luaC_checkGC(L); /* stack grow uses memory */
if (L->hookmask & LUA_MASKCALL)
callhook(L, ci);
return 0;
@ -393,7 +395,6 @@ void luaD_call (lua_State *L, StkId func, int nResults, int allowyield) {
luaV_execute(L); /* call it */
if (!allowyield) L->nny--;
L->nCcalls--;
luaC_checkGC(L);
}
@ -473,7 +474,7 @@ static int recover (lua_State *L, int status) {
static l_noret resume_error (lua_State *L, const char *msg, StkId firstArg) {
L->top = firstArg; /* remove args from the stack */
setsvalue2s(L, L->top, luaS_new(L, msg)); /* push error message */
incr_top(L);
api_incr_top(L);
luaD_throw(L, -1); /* jump back to 'lua_resume' */
}