gdb/testsuite/gdb.mi/mi-catch-cpp-exceptions.cc

   1 /* Copyright 2019-2024 Free Software Foundation, Inc.
   2
   3    This file is part of GDB.
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  17
  18 class my_exception
  19 {
  20 private:
  21   int m_value;
  22
  23 public:
  24   my_exception (int v)
  25     : m_value (v)
  26   {
  27     /* Nothing.  */
  28   }
  29 };
  30
  31 void
  32 bar ()
  33 {
  34   my_exception ex (4);
  35   throw ex;     /* Throw 1.  */
  36 }
  37
  38 void
  39 foo ()
  40 {
  41   for (int i = 0; i < 2; ++i)
  42     {
  43       try
  44         {
  45           bar ();
  46         }
  47       catch (const my_exception &ex)    /* Catch 1.  */
  48         {
  49           if (i == 1)
  50             throw;      /* Throw 2.  */
  51         }
  52     }
  53 }
  54
  55 int
  56 main ()
  57 {
  58   for (int i = 0; i < 2; ++i)
  59     {
  60       try
  61         {
  62           foo ();
  63         }
  64       catch (const my_exception &ex)    /* Catch 2.  */
  65         {
  66           if (i == 1)
  67             return 1;   /* Stop here.  */
  68         }
  69     }
  70
  71   return 0;
  72 }
  73