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