| // -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 |
