gnu/dist/gdb6/gdb/testsuite/gdb.cp/rtti1.cc

   1 /* Code to go along with tests in rtti.exp.
   2
   3    Copyright 2003, 2004 Free Software Foundation, Inc.
   4
   5    Contributed by David Carlton <carlton@bactrian.org> and by Kealia,
   6    Inc.
   7
   8    This file is part of GDB.
   9
  10    This program is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 2 of the License, or (at
  13    your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful, but
  16    WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18    General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program; if not, write to the Free Software
  22    Foundation, Inc., 59 Temple Place - Suite 330,
  23    Boston, MA 02111-1307, USA.  */
  24
  25 #include "rtti.h"
  26
  27 namespace n1 {
  28
  29   class C1;
  30
  31   class Base1 {
  32   public:
  33     virtual ~Base1() { }
  34   };
  35
  36
  37   class C1: public Base1 {
  38   public:
  39   };
  40
  41   class D1 : public C1{
  42   public:
  43     D1(C1 *, C1 *);
  44
  45     C1* expr_1_;
  46     C1* expr_2_;
  47   };
  48
  49   D1::D1(C1 *expr_1, C1 *expr_2)
  50     : expr_1_(expr_1), expr_2_(expr_2) { }
  51
  52   C1 *create1() {
  53     return new D1(0, 0);
  54   }
  55
  56 } // n1
  57
  58 // NOTE: carlton/2004-01-23: This call exists only to convince GCC to
  59 // keep around a reference to 'obj' in n2::func - GCC 3.4 had been
  60 // optimizing it away.
  61 void refer_to (n2::C2 *obj)
  62 {
  63   // Do nothing.
  64 }
  65
  66 void refer_to (n2::n3::C3 *obj)
  67 {
  68   // Do nothing.
  69 }
  70
  71 namespace n2
  72 {
  73   void func ()
  74   {
  75     C2 *obj = create2 ();
  76
  77     refer_to (obj);             // func-constructs-done
  78
  79     return;
  80   }
  81
  82   namespace n3
  83   {
  84     void func3 ()
  85     {
  86       C3 *obj3 = create3 ();
  87
  88       refer_to (obj3);          // func3-constructs-done
  89
  90       return;
  91     }
  92   }
  93 }
  94
  95 int main()
  96 {
  97     using namespace n1;
  98     using namespace n2;
  99
 100     C1 *e1 = create1();
 101     C2 *e2 = create2();
 102
 103     n2::func();                         // main-constructs-done
 104     n2::n3::func3();
 105
 106     return 0;
 107 }