void lua_close() {
TaggedString *alludata = luaS_collectudata();
GCthreshold = MAX_INT; // to avoid GC during GC
luaC_hashcallIM((Hash *)roottable.next); // GC t.methods for tables
luaC_strcallIM(alludata); // GC tag methods for userdata
luaD_gcIM(&luaO_nilobject); // GC tag method for nil (signal end of GC)
luaH_free((Hash *)roottable.next);
luaF_freeproto((TProtoFunc *)rootproto.next);
luaF_freeclosure((Closure *)rootcl.next);
luaS_free(alludata);
luaS_freeall();
luaM_free(IMtable);
luaM_free(refArray);
luaM_free(Mbuffer);
LState *tmpState, *state;
for (state = lua_rootState; state != nullptr;) {
tmpState = state->next;
lua_statedeinit(state);
luaM_free(state);
state = tmpState;
}
Mbuffer = nullptr;
IMtable = nullptr;
refArray = nullptr;
lua_rootState = lua_state = nullptr;
#ifdef LUA_DEBUG
printf("total de blocos: %ld\n", numblocks);
printf("total de memoria: %ld\n", totalmem);
#endif
}
int32 lua_collectgarbage (int32 limit)
{
int32 recovered = L->nblocks; /* to subtract nblocks after gc */
Hash *freetable;
TaggedString *freestr;
TProtoFunc *freefunc;
Closure *freeclos;
markall();
invalidaterefs();
freestr = luaS_collector();
freetable = (Hash *)listcollect(&(L->roottable));
freefunc = (TProtoFunc *)listcollect(&(L->rootproto));
freeclos = (Closure *)listcollect(&(L->rootcl));
L->GCthreshold *= 4; /* to avoid GC during GC */
luaC_hashcallIM(freetable); /* GC tag methods for tables */
luaC_strcallIM(freestr); /* GC tag methods for userdata */
luaD_gcIM(&luaO_nilobject); /* GC tag method for nil (signal end of GC) */
luaH_free(freetable);
luaS_free(freestr);
luaF_freeproto(freefunc);
luaF_freeclosure(freeclos);
recovered = recovered-L->nblocks;
L->GCthreshold = (limit == 0) ? 2*L->nblocks : L->nblocks+limit;
return recovered;
}
void luaC_hashcallIM(Hash *l) {
TObject t;
ttype(&t) = LUA_T_ARRAY;
for (; l; l = (Hash *)l->head.next) {
avalue(&t) = l;
luaD_gcIM(&t);
}
}
void luaC_strcallIM(TaggedString *l) {
TObject o;
ttype(&o) = LUA_T_USERDATA;
for (; l; l=(TaggedString *)l->head.next) {
if (l->constindex == -1) { // is userdata?
tsvalue(&o) = l;
luaD_gcIM(&o);
}
}
}
void lua_close (void)
{
TaggedString *alludata = luaS_collectudata();
L->GCthreshold = MAX_INT; /* to avoid GC during GC */
luaC_hashcallIM((Hash *)L->roottable.next); /* GC t.methods for tables */
luaC_strcallIM(alludata); /* GC tag methods for userdata */
luaD_gcIM(&luaO_nilobject); /* GC tag method for nil (signal end of GC) */
luaH_free((Hash *)L->roottable.next);
luaF_freeproto((TProtoFunc *)L->rootproto.next);
luaF_freeclosure((Closure *)L->rootcl.next);
luaS_free(alludata);
luaS_freeall();
luaM_free(L->stack.stack);
luaM_free(L->IMtable);
luaM_free(L->refArray);
luaM_free(L->Mbuffer);
luaM_free(L->Cblocks);
luaM_free(L);
L = NULL;
#ifdef DEBUG
printf("total de blocos: %ld\n", numblocks);
printf("total de memoria: %ld\n", totalmem);
#endif
}