Lines Matching refs:IsNull
508 if (prototype->IsNull()) return Heap::false_value();
1391 if (!code->IsNull()) {
1914 if (match->IsNull()) {
1989 matched = !match->IsNull();
2670 if (match->IsNull()) {
2694 } while (!match->IsNull());
2856 if (object->IsUndefined() || object->IsNull()) {
2980 RUNTIME_ASSERT(!obj->IsNull());
3037 if (object->IsUndefined() || object->IsNull()) {
3653 if (heap_obj->IsNull()) {
5372 } else if (obj->IsNull()) {
5963 while (!obj->IsNull()) {
6263 args[0]->IsNull());
7806 if (prototype->IsNull()) {
