bool UserObjectImp::getOwnPropertySlot(ExecState *exec, const Identifier& propertyName, PropertySlot& slot) { if (!fJSUserObject) return false; CFStringRef cfPropName = IdentifierToCFString(propertyName); JSUserObject *jsResult = fJSUserObject->CopyProperty(cfPropName); ReleaseCFType(cfPropName); if (jsResult) { slot.setCustom(this, userObjectGetter); jsResult->Release(); return true; } else { JSValuePtr kjsValue = toPrimitive(exec); if (!kjsValue.isUndefinedOrNull()) { JSObject* kjsObject = kjsValue.toObject(exec); if (kjsObject->getPropertySlot(exec, propertyName, slot)) return true; } } return JSObject::getOwnPropertySlot(exec, propertyName, slot); }
UString valueToStringWithUndefinedOrNullCheck(ExecState* exec, JSValuePtr value) { if (value.isUndefinedOrNull()) return UString(); return value.toString(exec); }