#include <string>
#include <iostream>
 
#define PFUNC() do { std::cout << __FUNCTION__ << "\n"; } while (0)
 
class MyFoo;
 
class MyBar {
 
    MyFoo* foo;
 
public:
 
    MyBar(MyFoo* foo) : foo(foo) {
    }
 
    void DoStuff();
};
 
class MyFoo {
 
public:
 
    void DoStuff() {
        PFUNC();
    }
};
 
void MyBar::DoStuff() {
    PFUNC();
    foo->DoStuff();
}
 
int main() {
    MyFoo foo;
    MyBar bar(&foo);
 
    bar.DoStuff();
}
 

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