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