- if (!jsClassData.cachedPrototype) {
- // Recursive, but should be good enough for our purposes
- jsClassData.cachedPrototype = PassWeak<JSObject>(JSCallbackObject<JSNonFinalObject>::create(exec, exec->lexicalGlobalObject(), exec->lexicalGlobalObject()->callbackObjectStructure(), prototypeClass, &jsClassData), 0); // set jsClassData as the object's private data, so it can clear our reference on destruction
- if (parentClass) {
- if (JSObject* prototype = parentClass->prototype(exec))
- jsClassData.cachedPrototype->setPrototype(exec->globalData(), prototype);
- }
+ if (JSObject* prototype = jsClassData.cachedPrototype.get())
+ return prototype;
+
+ // Recursive, but should be good enough for our purposes
+ JSObject* prototype = JSCallbackObject<JSDestructibleObject>::create(exec, exec->lexicalGlobalObject(), exec->lexicalGlobalObject()->callbackObjectStructure(), prototypeClass, &jsClassData); // set jsClassData as the object's private data, so it can clear our reference on destruction
+ if (parentClass) {
+ if (JSObject* parentPrototype = parentClass->prototype(exec))
+ prototype->setPrototype(exec->vm(), parentPrototype);