1 // -fno-exceptions Support -*- C++ -*- 2 3 // Copyright (C) 2001-2014 Free Software Foundation, Inc. 4 // 5 // This file is part of the GNU ISO C++ Library. This library is free 6 // software; you can redistribute it and/or modify it under the 7 // terms of the GNU General Public License as published by the 8 // Free Software Foundation; either version 3, or (at your option) 9 // any later version. 10 11 // This library is distributed in the hope that it will be useful, 12 // but WITHOUT ANY WARRANTY; without even the implied warranty of 13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 // GNU General Public License for more details. 15 16 // Under Section 7 of GPL version 3, you are granted additional 17 // permissions described in the GCC Runtime Library Exception, version 18 // 3.1, as published by the Free Software Foundation. 19 20 // You should have received a copy of the GNU General Public License and 21 // a copy of the GCC Runtime Library Exception along with this program; 22 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 23 // <http://www.gnu.org/licenses/>. 24 25 /** @file bits/exception_defines.h 26 * This is an internal header file, included by other library headers. 27 * Do not attempt to use it directly. @headername{exception} 28 */ 29 30 #ifndef _EXCEPTION_DEFINES_H 31 #define _EXCEPTION_DEFINES_H 1 32 33 #ifndef __EXCEPTIONS 34 // Iff -fno-exceptions, transform error handling code to work without it. 35 # define __try if (true) 36 # define __catch(X) if (false) 37 # define __throw_exception_again 38 #else 39 // Else proceed normally. 40 # define __try try 41 # define __catch(X) catch(X) 42 # define __throw_exception_again throw 43 #endif 44 45 #endif 46