源码备份-反汇编五：类对象存储结构

C++源码

#include   <iostream>
#include   <complex>
using namespace   std;

class Base
{
public:
        int i;
    Base();
    virtual ~Base();
    virtual void f();
};
class Derived : public Base
{
public:
    Derived();
    ~Derived();
    void f();
};
Base::Base():i(0x6666)
{
        cout<<"Base-ctor"<<endl;
}
Base::~Base()
{
        cout<<"Base-dtor"<<endl;
}
void Base::f()
{
        cout<<"Base::f()"<<endl;
}
Derived::Derived()
{
        cout<<"Derived-ctor" <<endl;
}
Derived::~Derived()
{
        cout<<"Derived-dtor"<<endl;
}

void Derived::f()
{
        cout<<"Derived::f()"<<endl;
}

int main()
{
    Base b;
    Derived d;
    Base *pb=NULL;
    b.f();
    d.f();
    pb=&b;
    pb->f();
    pb=new Derived;
    pb->f();
    delete   pb;
    return 0;
}