gdb/testsuite/gdb.cp/rtti1.cc

   1 /* Code to go along with tests in rtti.exp.
   2
   3    Copyright 2003, 2004, 2007, 2008, 2009, 2010, 2011
   4    Free Software Foundation, Inc.
   5
   6    Contributed by David Carlton <carlton@bactrian.org> and by Kealia,
   7    Inc.
   8
   9    This file is part of GDB.
  10
  11    This program is free software; you can redistribute it and/or modify
  12    it under the terms of the GNU General Public License as published by
  13    the Free Software Foundation; either version 3 of the License, or
  14    (at your option) any later version.
  15
  16    This program is distributed in the hope that it will be useful,
  17    but WITHOUT ANY WARRANTY; without even the implied warranty of
  18    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19    GNU General Public License for more details.
  20
  21    You should have received a copy of the GNU General Public License
  22    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  23
  24 #include "rtti.h"
  25
  26 namespace n1 {
  27
  28   class C1;
  29
  30   class Base1 {
  31   public:
  32     virtual ~Base1() { }
  33   };
  34
  35
  36   class C1: public Base1 {
  37   public:
  38   };
  39
  40   class D1 : public C1{
  41   public:
  42     D1(C1 *, C1 *);
  43
  44     C1* expr_1_;
  45     C1* expr_2_;
  46   };
  47
  48   D1::D1(C1 *expr_1, C1 *expr_2)
  49     : expr_1_(expr_1), expr_2_(expr_2) { }
  50
  51   C1 *create1() {
  52     return new D1(0, 0);
  53   }
  54
  55 } // n1
  56
  57 // NOTE: carlton/2004-01-23: This call exists only to convince GCC to
  58 // keep around a reference to 'obj' in n2::func - GCC 3.4 had been
  59 // optimizing it away.
  60 void refer_to (n2::C2 *obj)
  61 {
  62   // Do nothing.
  63 }
  64
  65 void refer_to (n2::n3::C3 *obj)
  66 {
  67   // Do nothing.
  68 }
  69
  70 namespace n2
  71 {
  72   void func ()
  73   {
  74     C2 *obj = create2 ();
  75
  76     refer_to (obj);             // func-constructs-done
  77
  78     return;
  79   }
  80
  81   namespace n3
  82   {
  83     void func3 ()
  84     {
  85       C3 *obj3 = create3 ();
  86
  87       refer_to (obj3);          // func3-constructs-done
  88
  89       return;
  90     }
  91   }
  92 }
  93
  94 int main()
  95 {
  96     using namespace n1;
  97     using namespace n2;
  98
  99     C1 *e1 = create1();
 100     C2 *e2 = create2();
 101
 102     n2::func();                         // main-constructs-done
 103     n2::n3::func3();
 104
 105     return 0;
 106 }