1 // -fno-exceptions Support -*- C++ -*- 2 3 // Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2006, 2007, 2008, 2009, 4 // 2011 5 // Free Software Foundation, Inc. 6 // 7 // This file is part of the GNU ISO C++ Library. This library is free 8 // software; you can redistribute it and/or modify it under the 9 // terms of the GNU General Public License as published by the 10 // Free Software Foundation; either version 3, or (at your option) 11 // any later version. 12 13 // This library is distributed in the hope that it will be useful, 14 // but WITHOUT ANY WARRANTY; without even the implied warranty of 15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 // GNU General Public License for more details. 17 18 // Under Section 7 of GPL version 3, you are granted additional 19 // permissions described in the GCC Runtime Library Exception, version 20 // 3.1, as published by the Free Software Foundation. 21 22 // You should have received a copy of the GNU General Public License and 23 // a copy of the GCC Runtime Library Exception along with this program; 24 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 25 // <http://www.gnu.org/licenses/>. 26 27 /** @file bits/exception_defines.h 28 * This is an internal header file, included by other library headers. 29 * Do not attempt to use it directly. @headername{exception} 30 */ 31 32 #ifndef _EXCEPTION_DEFINES_H 33 #define _EXCEPTION_DEFINES_H 1 34 35 #ifndef __EXCEPTIONS 36 // Iff -fno-exceptions, transform error handling code to work without it. 37 # define __try if (true) 38 # define __catch(X) if (false) 39 # define __throw_exception_again 40 #else 41 // Else proceed normally. 42 # define __try try 43 # define __catch(X) catch(X) 44 # define __throw_exception_again throw 45 #endif 46 47 #endif 48
