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Edit File: exception_defines.h

// -fno-exceptions Support -*- C++ -*- // Copyright (C) 2001-2021 Free Software Foundation, Inc. // // This file is part of the GNU ISO C++ Library. This library is free // software; you can redistribute it and/or modify it under the // terms of the GNU General Public License as published by the // Free Software Foundation; either version 3, or (at your option) // any later version. // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // Under Section 7 of GPL version 3, you are granted additional // permissions described in the GCC Runtime Library Exception, version // 3.1, as published by the Free Software Foundation. // You should have received a copy of the GNU General Public License and // a copy of the GCC Runtime Library Exception along with this program; // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see // <http://www.gnu.org/licenses/>. /** @file bits/exception_defines.h * This is an internal header file, included by other library headers. * Do not attempt to use it directly. @headername{exception} */ #ifndef _EXCEPTION_DEFINES_H #define _EXCEPTION_DEFINES_H 1 #if ! __cpp_exceptions // Iff -fno-exceptions, transform error handling code to work without it. # define __try if (true) # define __catch(X) if (false) # define __throw_exception_again #else // Else proceed normally. # define __try try # define __catch(X) catch(X) # define __throw_exception_again throw #endif #endif