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

   1 // -*- C++ -*- std::exception implementation.
   2 // Copyright (C) 1994-2014 Free Software Foundation, Inc.
   3 //
   4 // This file is part of GCC.
   5 //
   6 // GCC is free software; you can redistribute it and/or modify
   7 // it under the terms of the GNU General Public License as published by
   8 // the Free Software Foundation; either version 3, or (at your option)
   9 // any later version.
  10 //
  11 // GCC is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15 //
  16 // Under Section 7 of GPL version 3, you are granted additional
  17 // permissions described in the GCC Runtime Library Exception, version
  18 // 3.1, as published by the Free Software Foundation.
  19
  20 // You should have received a copy of the GNU General Public License and
  21 // a copy of the GCC Runtime Library Exception along with this program;
  22 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  23 // <http://www.gnu.org/licenses/>.
  24
  25 #include "typeinfo"
  26 #include "exception"
  27 #include <cxxabi.h>
  28
  29 std::exception::~exception() _GLIBCXX_USE_NOEXCEPT { }
  30
  31 std::bad_exception::~bad_exception() _GLIBCXX_USE_NOEXCEPT { }
  32
  33 abi::__forced_unwind::~__forced_unwind() throw() { }
  34
  35 abi::__foreign_exception::~__foreign_exception() throw() { }
  36
  37 const char*
  38 std::exception::what() const _GLIBCXX_USE_NOEXCEPT
  39 {
  40   // NB: Another elegant option would be returning typeid(*this).name()
  41   // and not overriding what() in bad_exception, bad_alloc, etc.  In
  42   // that case, however, mangled names would be returned, PR 14493.
  43   return "std::exception";
  44 }
  45
  46 const char*
  47 std::bad_exception::what() const _GLIBCXX_USE_NOEXCEPT
  48 {
  49   return "std::bad_exception";
  50 }