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| #include <stdio.h>
#include <memory>
class Extra
{
public:
Extra (int in_one, int in_two) : m_extra_one(in_one), m_extra_two(in_two) {}
private:
int m_extra_one;
int m_extra_two;
};
class A
{
public:
A(int value) : m_a_value (value) {}
A(int value, A* client_A) : m_a_value (value), m_client_A (client_A) {}
virtual ~A() {}
virtual void
doSomething (A &anotherA)
{
printf ("In A %p doing something with %d.\n", this, m_a_value);
int tmp_value = anotherA.Value();
printf ("Also have another A at %p: %d.\n", &anotherA, tmp_value); // Break here in doSomething.
}
int
Value()
{
return m_a_value;
}
private:
int m_a_value;
std::auto_ptr<A> m_client_A;
};
class B : public Extra, public virtual A
{
public:
B (int b_value, int a_value) : Extra(b_value, a_value), A(a_value), m_b_value(b_value) {}
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) {}
virtual ~B () {}
private:
int m_b_value;
};
static A* my_global_A_ptr;
int
main (int argc, char **argv)
{
my_global_A_ptr = new B (100, 200);
B myB (10, 20, my_global_A_ptr);
B *second_fake_A_ptr = new B (150, 250);
B otherB (300, 400, second_fake_A_ptr);
myB.doSomething(otherB); // Break here and get real addresses of myB and otherB.
A reallyA (500);
myB.doSomething (reallyA); // Break here and get real address of reallyA.
return 0;
}
|