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 GCC.
00007 //
00008 // GCC 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 // GCC 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 GCC; 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 {
00052   class exception 
00053   {
00054   public:
00055     exception() throw() { }
00056     virtual ~exception() throw();
00059     virtual const char* what() const throw();
00060   };
00061 
00064   class bad_exception : public exception 
00065   {
00066   public:
00067     bad_exception() throw() { }
00068     // This declaration is not useless:
00069     // http://gcc.gnu.org/onlinedocs/gcc-3.0.2/gcc_6.html#SEC118
00070     virtual ~bad_exception() throw();
00071   };
00072 
00074   typedef void (*terminate_handler) ();
00076   typedef void (*unexpected_handler) ();
00077 
00079   terminate_handler set_terminate(terminate_handler) throw();
00082   void terminate() __attribute__ ((__noreturn__));
00083 
00085   unexpected_handler set_unexpected(unexpected_handler) throw();
00088   void unexpected() __attribute__ ((__noreturn__));
00089 
00100   bool uncaught_exception() throw();
00101 } // namespace std
00102 
00103 namespace __gnu_cxx
00104 {
00115   void __verbose_terminate_handler ();
00116 } // namespace __gnu_cxx
00117   
00118 } // extern "C++"
00119 
00120 #endif

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