52 lines · cpp
1#include "a.h"2 3void A::doSomething(A &anotherA) {4 printf("In A %p doing something with %d.\n", this, m_a_value);5 int tmp_value = anotherA.Value();6 printf("Also have another A at %p: %d.\n", &anotherA, tmp_value); // Break here in doSomething.7}8 9class Extra10{11public:12 Extra (int in_one, int in_two) : m_extra_one(in_one), m_extra_two(in_two) {}13 14private:15 int m_extra_one;16 int m_extra_two;17};18 19class B : public Extra, public virtual A20{21public:22 B (int b_value, int a_value) : Extra(b_value, a_value), A(a_value), m_b_value(b_value) {}23 B (int b_value, int a_value, A *client_A) : Extra(b_value, a_value), A(a_value, client_A), m_b_value(b_value) {}24 25 virtual ~B () {}26 27private:28 int m_b_value;29};30 31static A* my_global_A_ptr;32 33int34main (int argc, char **argv)35{36 my_global_A_ptr = new B (100, 200);37 B myB (10, 20, my_global_A_ptr);38 B *second_fake_A_ptr = new B (150, 250);39 B otherB (300, 400, second_fake_A_ptr);40 41 myB.doSomething(otherB); // Break here and get real addresses of myB and otherB.42 43 A reallyA (500);44 myB.doSomething (reallyA); // Break here and get real address of reallyA.45 46 myB.doSomething(*make_anonymous_B());47 48 take_A(&myB);49 50 return 0;51}52