JSPropertyNameIterator* JSPropertyNameIterator::create(ExecState* exec, Structure* structure, JSObject* iteratedObject) { JSPropertyNameEnumerator* enumerator = propertyNameEnumerator(exec, iteratedObject); if (UNLIKELY(exec->hadException())) return nullptr; return JSPropertyNameIterator::create(exec, structure, iteratedObject, enumerator); }
JSPropertyNameIterator* JSPropertyNameIterator::create(ExecState* exec, Structure* structure, JSObject* iteratedObject) { VM& vm = exec->vm(); auto scope = DECLARE_THROW_SCOPE(vm); JSPropertyNameEnumerator* enumerator = propertyNameEnumerator(exec, iteratedObject); RETURN_IF_EXCEPTION(scope, nullptr); return JSPropertyNameIterator::create(exec, structure, iteratedObject, enumerator); }