exception

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00001 // Exception Handling support header for -*- C++ -*-
00002 
00003 // Copyright (C) 1995, 1996, 1997, 1998, 2000, 2001, 2002
00004 // Free Software Foundation
00005 //
00006 // This file is part of GNU CC.
00007 //
00008 // GNU CC is free software; you can redistribute it and/or modify
00009 // it under the terms of the GNU General Public License as published by
00010 // the Free Software Foundation; either version 2, or (at your option)
00011 // any later version.
00012 // 
00013 // GNU CC is distributed in the hope that it will be useful,
00014 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00015 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00016 // GNU General Public License for more details.
00017 // 
00018 // You should have received a copy of the GNU General Public License
00019 // along with GNU CC; see the file COPYING.  If not, write to
00020 // the Free Software Foundation, 59 Temple Place - Suite 330,
00021 // Boston, MA 02111-1307, USA.
00022 
00023 // As a special exception, you may use this file as part of a free software
00024 // library without restriction.  Specifically, if other files instantiate
00025 // templates or use macros or inline functions from this file, or you compile
00026 // this file and link it with other files to produce an executable, this
00027 // file does not by itself cause the resulting executable to be covered by
00028 // the GNU General Public License.  This exception does not however
00029 // invalidate any other reasons why the executable file might be covered by
00030 // the GNU General Public License.
00031 
00037 #ifndef __EXCEPTION__
00038 #define __EXCEPTION__
00039 
00040 extern "C++" {
00041 
00042 namespace std 
00043 {
00050   class exception 
00051   {
00052   public:
00053     exception() throw() { }
00054     virtual ~exception() throw();
00057     virtual const char* what() const throw();
00058   };
00059 
00062   class bad_exception : public exception 
00063   {
00064   public:
00065     bad_exception() throw() { }
00066     // This declaration is not useless:
00067     // http://gcc.gnu.org/onlinedocs/gcc-3.0.2/gcc_6.html#SEC118
00068     virtual ~bad_exception() throw();
00069   };
00070 
00072   typedef void (*terminate_handler) ();
00074   typedef void (*unexpected_handler) ();
00075 
00077   terminate_handler set_terminate(terminate_handler) throw();
00080   void terminate() __attribute__ ((__noreturn__));
00081 
00083   unexpected_handler set_unexpected(unexpected_handler) throw();
00086   void unexpected() __attribute__ ((__noreturn__));
00087 
00098   bool uncaught_exception() throw();
00099 } // namespace std
00100 
00101 namespace __gnu_cxx
00102 {
00111   void __verbose_terminate_handler ();
00112 } // namespace __gnu_cxx
00113   
00114 } // extern "C++"
00115 
00116 #endif

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