Var JavascriptReflect::EntryIsExtensible(RecyclableObject* function, CallInfo callInfo, ...)
{
PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);
ARGUMENTS(args, callInfo);
ScriptContext* scriptContext = function->GetScriptContext();
AUTO_TAG_NATIVE_LIBRARY_ENTRY(function, callInfo, _u("Reflect.issExtensible"));
AssertMsg(args.Info.Count > 0, "Should always have implicit 'this'");
if (args.Info.Flags & CallFlags_New)
{
JavascriptError::ThrowTypeError(scriptContext, JSERR_ErrorOnNew, _u("Reflect.isExtensible"));
}
if (args.Info.Count < 2 || !JavascriptOperators::IsObject(args[1]))
{
JavascriptError::ThrowTypeError(scriptContext, JSERR_FunctionArgument_NeedObject, _u("Reflect.iesExtensible"));
}
Var target = args[1];
RecyclableObject *object = RecyclableObject::FromVar(target);
BOOL isExtensible = object->IsExtensible();
GlobalObject* globalObject = object->GetLibrary()->GetGlobalObject();
if (isExtensible && globalObject != object && globalObject && (globalObject->ToThis() == object))
{
isExtensible = globalObject->IsExtensible();
}
return scriptContext->GetLibrary()->GetTrueOrFalse(isExtensible);
}
