libstdc++-v3/libsupc++/eh_exception.cc

   1 // -*- C++ -*- std::exception implementation.
   2 // Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
   3 // 2003, 2004, 2005, 2006, 2007, 2009
   4 // Free Software Foundation
   5 //
   6 // This file is part of GCC.
   7 //
   8 // GCC is free software; you can redistribute it and/or modify
   9 // it under the terms of the GNU General Public License as published by
  10 // the Free Software Foundation; either version 3, or (at your option)
  11 // any later version.
  12 //
  13 // GCC is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17 //
  18 // Under Section 7 of GPL version 3, you are granted additional
  19 // permissions described in the GCC Runtime Library Exception, version
  20 // 3.1, as published by the Free Software Foundation.
  21
  22 // You should have received a copy of the GNU General Public License and
  23 // a copy of the GCC Runtime Library Exception along with this program;
  24 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  25 // <http://www.gnu.org/licenses/>.
  26
  27 #include "typeinfo"
  28 #include "exception"
  29 #include <cxxabi.h>
  30
  31 std::exception::~exception() throw() { }
  32
  33 std::bad_exception::~bad_exception() throw() { }
  34
  35 abi::__forced_unwind::~__forced_unwind() throw() { }
  36
  37 abi::__foreign_exception::~__foreign_exception() throw() { }
  38
  39 const char*
  40 std::exception::what() const throw()
  41 {
  42   // NB: Another elegant option would be returning typeid(*this).name()
  43   // and not overriding what() in bad_exception, bad_alloc, etc.  In
  44   // that case, however, mangled names would be returned, PR 14493.
  45   return "std::exception";
  46 }
  47
  48 const char*
  49 std::bad_exception::what() const throw()
  50 {
  51   return "std::bad_exception";
  52 }