42 lines
824 B
C
42 lines
824 B
C
|
//===----------------------------------------------------------------------===//
|
||
|
|
//
|
||
|
|
// The LLVM Compiler Infrastructure
|
||
|
|
//
|
||
|
|
// This file is dual licensed under the MIT and the University of Illinois Open
|
||
|
|
// Source Licenses. See LICENSE.TXT for details.
|
||
|
|
//
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
|
||
|
|
#ifndef AB_H
|
||
|
|
#define AB_H
|
||
|
|
|
||
|
|
#include <cassert>
|
||
|
|
|
||
|
|
class A
|
||
|
|
{
|
||
|
|
int id_;
|
||
|
|
public:
|
||
|
|
explicit A(int id) : id_(id) {++count;}
|
||
|
|
A(const A& a) : id_(a.id_) {++count;}
|
||
|
|
virtual ~A() {assert(id_ >= 0); id_ = -1; --count;}
|
||
|
|
|
||
|
|
static int count;
|
||
|
|
};
|
||
|
|
|
||
|
|
int A::count = 0;
|
||
|
|
|
||
|
|
class B
|
||
|
|
: public A
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
explicit B(int id) : A(id) {++count;}
|
||
|
|
B(const B& a) : A(a) {++count;}
|
||
|
|
virtual ~B() {--count;}
|
||
|
|
|
||
|
|
static int count;
|
||
|
|
};
|
||
|
|
|
||
|
|
int B::count = 0;
|
||
|
|
|
||
|
|
#endif // AB_H
|