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