gdb/testsuite/gdb.cp/rtti1.cc

   1 /* Code to go along with tests in rtti.exp.
   2
   3    Copyright 2003-2023 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 3 of the License, or
  13    (at your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU 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, see <http://www.gnu.org/licenses/>.  */
  22
  23 #include "rtti.h"
  24
  25 namespace n1 {
  26
  27   class C1;
  28
  29   class Base1 {
  30   public:
  31     virtual ~Base1() { }
  32   };
  33
  34
  35   class C1: public Base1 {
  36   public:
  37   };
  38
  39   class D1 : public C1{
  40   public:
  41     D1(C1 *, C1 *);
  42
  43     C1* expr_1_;
  44     C1* expr_2_;
  45   };
  46
  47   D1::D1(C1 *expr_1, C1 *expr_2)
  48     : expr_1_(expr_1), expr_2_(expr_2) { }
  49
  50   C1 *create1() {
  51     return new D1(0, 0);
  52   }
  53
  54 } // n1
  55
  56 // NOTE: carlton/2004-01-23: This call exists only to convince GCC to
  57 // keep around a reference to 'obj' in n2::func - GCC 3.4 had been
  58 // optimizing it away.
  59 void refer_to (n2::C2 *obj)
  60 {
  61   // Do nothing.
  62 }
  63
  64 void refer_to (n2::n3::C3 *obj)
  65 {
  66   // Do nothing.
  67 }
  68
  69 namespace n2
  70 {
  71   void func ()
  72   {
  73     C2 *obj = create2 ();
  74
  75     refer_to (obj);             // func-constructs-done
  76
  77     return;
  78   }
  79
  80   namespace n3
  81   {
  82     void func3 ()
  83     {
  84       C3 *obj3 = create3 ();
  85
  86       refer_to (obj3);          // func3-constructs-done
  87
  88       return;
  89     }
  90   }
  91 }
  92
  93 int main()
  94 {
  95     using namespace n1;
  96     using namespace n2;
  97
  98     C1 *e1 = create1();
  99     C2 *e2 = create2();
 100
 101     n2::func();                         // main-constructs-done
 102     n2::n3::func3();
 103
 104     return 0;
 105 }