internal void KeepAliveInvoke(int slot, ref JsValue args, ref JsValue output)
{
// TODO: This is pretty slow: use a cache of generated code to make it faster.
#if DEBUG_TRACE_API
Console.WriteLine("invoking");
#endif
//Console.WriteLine(args);
object obj = KeepAliveGet(slot);
if (obj == null)
{
output.Type = JsValueType.Error;
output.I64 = (int)JsManagedError.NotFoundManagedObjectId;
return;
}
Type constructorType = obj as Type;
if (constructorType != null)
{
#if DEBUG_TRACE_API
Console.WriteLine("constructing " + constructorType.Name);
#endif
object[] constructorArgs = (object[])_convert.FromJsValue(ref args);
//TODO: review here
_convert.AnyToJsValue(
Activator.CreateInstance(constructorType, constructorArgs), ref output);
return;
}
//expect slot is del
WeakDelegate func = obj as WeakDelegate;
if (func == null)
{
throw new Exception("not a function.");
}
//owner type of the delegate
Type type = func.Target != null?func.Target.GetType() : func.Type;
#if DEBUG_TRACE_API
Console.WriteLine("invoking " + obj.Target + " method " + obj.MethodName);
#endif
//review delegate invocation again
object[] argObjects = (object[])_convert.FromJsValue(ref args);
int j = argObjects.Length;
for (int i = 0; i < j; ++i)
{
object a_elem = argObjects[i];
if (a_elem.GetType() == typeof(JsFunction))
{
CheckAndResolveJsFunctions(func, (JsFunction)a_elem, obj, type, func.MethodName, argObjects);
break;
}
}
throw new NotSupportedException();
//try
//{
// object result = type.InvokeMember(func.MethodName, flags, null, func.Target, a);
// _convert.AnyToJsValue(result, ref output);
// return;
//}
//catch (TargetInvocationException e)
//{
// output.Type = JsValueType.Error;
// output.I64 = (int)JsManagedError.TargetInvocationError;
// return;
//}
//catch (Exception e)
//{
// //review set error
// output.Type = JsValueType.Error;
// output.I64 = (int)JsManagedError.SetKeepAliveError;
// return;
//}
}