Lines Matching defs:extensible
7151 // 3. Let extensible be the value of the [[Extensible]] internal slot of O.
7153 bool extensible = JSObject::IsExtensible(object);
7156 isolate, it, extensible, desc, ¤t, should_throw, Handle<Name>());
7163 Isolate* isolate, bool extensible, PropertyDescriptor* desc,
7167 // Extensible, Desc, Current).
7169 isolate, nullptr, extensible, desc, current, should_throw, property_name);
7176 Isolate* isolate, LookupIterator* it, bool extensible,
7191 // 2a. If extensible is false, return false.
7192 if (!extensible) {
8387 Maybe<bool> extensible = JSReceiver::IsExtensible(receiver);
8388 MAYBE_RETURN(extensible, Nothing<bool>());
8389 if (extensible.FromJust()) return Just(false);
8536 // be extensible.
8537 // TODO(adamk): Extend the NormalizedMapCache to handle non-extensible maps.
8729 // Create a new map, since other objects with this map may be extensible.
8730 // TODO(adamk): Extend the NormalizedMapCache to handle non-extensible maps.
15576 // In addition, if [[Extensible]] is false the value of the [[Class]] and
15580 // or [[Extensible]] must not violate the invariants defined in the preceding
