libstdc++
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00001 // -fno-exceptions Support -*- C++ -*- 00002 00003 // Copyright (C) 2001-2015 Free Software Foundation, Inc. 00004 // 00005 // This file is part of the GNU ISO C++ Library. This library is free 00006 // software; you can redistribute it and/or modify it under the 00007 // terms of the GNU General Public License as published by the 00008 // Free Software Foundation; either version 3, or (at your option) 00009 // any later version. 00010 00011 // This library is distributed in the hope that it will be useful, 00012 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 // GNU General Public License for more details. 00015 00016 // Under Section 7 of GPL version 3, you are granted additional 00017 // permissions described in the GCC Runtime Library Exception, version 00018 // 3.1, as published by the Free Software Foundation. 00019 00020 // You should have received a copy of the GNU General Public License and 00021 // a copy of the GCC Runtime Library Exception along with this program; 00022 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 00023 // <http://www.gnu.org/licenses/>. 00024 00025 /** @file bits/exception_defines.h 00026 * This is an internal header file, included by other library headers. 00027 * Do not attempt to use it directly. @headername{exception} 00028 */ 00029 00030 #ifndef _EXCEPTION_DEFINES_H 00031 #define _EXCEPTION_DEFINES_H 1 00032 00033 #if ! __cpp_exceptions 00034 // Iff -fno-exceptions, transform error handling code to work without it. 00035 # define __try if (true) 00036 # define __catch(X) if (false) 00037 # define __throw_exception_again 00038 #else 00039 // Else proceed normally. 00040 # define __try try 00041 # define __catch(X) catch(X) 00042 # define __throw_exception_again throw 00043 #endif 00044 00045 #endif