member-ptr.cc

这个是LINUX下的GDB调度工具的源码

/* This testcase is part of GDB, the GNU debugger.

   Copyright 1998, 1999, 2004 Free Software Foundation, Inc.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
 
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
   */



extern "C" {
#include <stdio.h>
}


class A {
public:
  A();
  int foo (int x);
  int bar (int y);
  virtual int baz (int z);
  char c;
  int  j;
  int  jj;
  static int s;
};

class B {
public:
  static int s;
};

int A::s = 10;
int B::s = 20;

A::A()
{
  c = 'x';
  j = 5;
}

int A::foo (int dummy)
{
  j += 3;
  return j + dummy;
}

int A::bar (int dummy)
{
  int r;
  j += 13;
  r = this->foo(15);
  return r + j + 2 * dummy;
}

int A::baz (int dummy)
{
  int r;
  j += 15;
  r = this->foo(15);
  return r + j + 12 * dummy;
}

int fum (int dummy)
{
  return 2 + 13 * dummy;
}

typedef int (A::*PMF)(int);

typedef int A::*PMI;

int main ()
{
  A a;
  A * a_p;
  PMF pmf;

  PMF * pmf_p;
  PMI pmi;

  a.j = 121;
  a.jj = 1331;
  
  int k;

  a_p = &a;

  pmi = &A::j;
  pmf = &A::bar;
  pmf_p = &pmf;

  pmi = NULL;
  
  k = (a.*pmf)(3);

  pmi = &A::jj;
  pmf = &A::foo;
  pmf_p = &pmf;

  k = (a.*pmf)(4);

  k = (a.**pmf_p)(5);

  k = a.*pmi;
  

  k = a.bar(2);

  k += fum (4);

  B b;

  k += b.s;
  
}