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- // -fno-exceptions Support -*- C++ -*-
-
- // Copyright (C) 2001-2020 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
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