/// <summary>
/// Invokes this callback (must be bound).
/// </summary>
/// <param name="args">Arguments to be passed to target function or method (can be <see cref="PhpReference"/>s).</param>
/// <returns>The value returned by the called function or method (can be a <see cref="PhpReference"/>).</returns>
internal object InvokeInternal(params object[] args)
{
Debug.Assert(IsBound, "Callback must be bound.");
Debug.Assert(routineDesc != null); // Since it's possible to call non static method statically we can't use this condition in the assert && (routineDesc.IsStatic || instance != null));
// push args to PHP stack and invoke the desc
PhpStack stack = (context != null ? context.Stack : ScriptContext.CurrentContext.Stack);
if (state == State.BoundToCaller)
{
// push the real target name and args as a PhpArray
stack.AddFrame(targetName, new PhpArray(args));
}
else
{
stack.AddFrame(args);
}
stack.Callback = true;
stack.LateStaticBindType = this.lateStaticBindType;
return(routineDesc.Invoke(instance, stack, callingContext));
}