xref: /openbsd-src/gnu/gcc/libstdc++-v3/libsupc++/exception_defines.h (revision 93eb8ef5cb75351d6d2ebb6adefb1e8fb6bb06c3)
1404b540aSrobert // -fno-exceptions Support -*- C++ -*-
2404b540aSrobert 
3404b540aSrobert // Copyright (C) 2001, 2003 Free Software Foundation, Inc.
4404b540aSrobert //
5404b540aSrobert // This file is part of the GNU ISO C++ Library.  This library is free
6404b540aSrobert // software; you can redistribute it and/or modify it under the
7404b540aSrobert // terms of the GNU General Public License as published by the
8404b540aSrobert // Free Software Foundation; either version 2, or (at your option)
9404b540aSrobert // any later version.
10404b540aSrobert 
11404b540aSrobert // This library is distributed in the hope that it will be useful,
12404b540aSrobert // but WITHOUT ANY WARRANTY; without even the implied warranty of
13404b540aSrobert // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14404b540aSrobert // GNU General Public License for more details.
15404b540aSrobert 
16404b540aSrobert // You should have received a copy of the GNU General Public License along
17404b540aSrobert // with this library; see the file COPYING.  If not, write to the Free
18404b540aSrobert // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
19404b540aSrobert // USA.
20404b540aSrobert 
21404b540aSrobert // As a special exception, you may use this file as part of a free software
22404b540aSrobert // library without restriction.  Specifically, if other files instantiate
23404b540aSrobert // templates or use macros or inline functions from this file, or you compile
24404b540aSrobert // this file and link it with other files to produce an executable, this
25404b540aSrobert // file does not by itself cause the resulting executable to be covered by
26404b540aSrobert // the GNU General Public License.  This exception does not however
27404b540aSrobert // invalidate any other reasons why the executable file might be covered by
28404b540aSrobert // the GNU General Public License.
29404b540aSrobert 
30404b540aSrobert //
31404b540aSrobert // ISO C++ 14882: 19.1  Exception classes
32404b540aSrobert //
33404b540aSrobert 
34404b540aSrobert /** @file exception_defines.h
35404b540aSrobert  *  This is a Standard C++ Library header.
36404b540aSrobert  */
37404b540aSrobert 
38404b540aSrobert #ifndef _EXCEPTION_DEFINES_H
39404b540aSrobert #define _EXCEPTION_DEFINES_H 1
40404b540aSrobert 
41404b540aSrobert #ifndef __EXCEPTIONS
42404b540aSrobert // Iff -fno-exceptions, transform error handling code to work without it.
43404b540aSrobert # define try      if (true)
44404b540aSrobert # define catch(X) if (false)
45*93eb8ef5Sespie # define __throw_exception_again ((void)0)
46404b540aSrobert #else
47404b540aSrobert // Else proceed normally.
48404b540aSrobert # define __throw_exception_again throw
49404b540aSrobert #endif
50404b540aSrobert 
51404b540aSrobert #endif
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