1 // -fno-exceptions Support -*- C++ -*- 2 3 // Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2006, 2007, 2008, 2009 4 // Free Software Foundation, Inc. 5 // 6 // This file is part of the GNU ISO C++ Library. This library is free 7 // software; you can redistribute it and/or modify it under the 8 // terms of the GNU General Public License as published by the 9 // Free Software Foundation; either version 3, or (at your option) 10 // any later version. 11 12 // This library is distributed in the hope that it will be useful, 13 // but WITHOUT ANY WARRANTY; without even the implied warranty of 14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 // GNU General Public License for more details. 16 17 // Under Section 7 of GPL version 3, you are granted additional 18 // permissions described in the GCC Runtime Library Exception, version 19 // 3.1, as published by the Free Software Foundation. 20 21 // You should have received a copy of the GNU General Public License and 22 // a copy of the GCC Runtime Library Exception along with this program; 23 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 24 // <http://www.gnu.org/licenses/>. 25 26 // 27 // ISO C++ 14882: 19.1 Exception classes 28 // 29 30 /** @file exception_defines.h 31 * This is a Standard C++ Library header. 32 */ 33 34 #ifndef _EXCEPTION_DEFINES_H 35 #define _EXCEPTION_DEFINES_H 1 36 37 #ifndef __EXCEPTIONS 38 // Iff -fno-exceptions, transform error handling code to work without it. 39 # define __try if (true) 40 # define __catch(X) if (false) 41 # define __throw_exception_again 42 #else 43 // Else proceed normally. 44 # define __try try 45 # define __catch(X) catch(X) 46 # define __throw_exception_again throw 47 #endif 48 49 #endif 50