Question

All I knew is this: Objective-c allows us to forward method invocation to its super class by
[super method]
However I want forward the invocation to super.super; Skipping the immediately super class.

In c++ we can easily do these by typecasting ((GrandSuper*)object).method().

Is their any provision to do the same in objective c

Answer 1

It’s probably a bad idea to do this, although it is possible. You probably want to think of a better way to achieve whatever you’re trying to do.

Let’s assume that you have three classes: Cat which inherits from Mammal which inherits from Animal.

If you are in the method -[Cat makeNoise], you can skip -[Mammal makeNoise] and call -[Animal makeNoise] like so:

-(void) makeNoise;
{
    void(*animalMakeNoiseImp)(id,SEL) = [Animal instanceMethodForSelector:@selector(makeNoise)];
    animalMakeNoiseImp(self, _cmd);
}