1 // -fno-exceptions Support -*- C++ -*-
2
3 // Copyright (C) 2001-2013 Free Software Foundation, Inc.
4 //
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 3, or (at your option)
9 // any later version.
10
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
15
16 // Under Section 7 of GPL version 3, you are granted additional
17 // permissions described in the GCC Runtime Library Exception, version
18 // 3.1, as published by the Free Software Foundation.
19
20 // You should have received a copy of the GNU General Public License and
21 // a copy of the GCC Runtime Library Exception along with this program;
22 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
23 // <http://www.gnu.org/licenses/>.
24
25 /** @file bits/exception_defines.h
26 * This is an internal header file, included by other library headers.
27 * Do not attempt to use it directly. @headername{exception}
28 */
29
30 #ifndef _EXCEPTION_DEFINES_H
31 #define _EXCEPTION_DEFINES_H 1
32
33 #ifndef __EXCEPTIONS
34 // Iff -fno-exceptions, transform error handling code to work without it.
35 # define __try if (true)
36 # define __catch(X) if (false)
37 # define __throw_exception_again
38 #else
39 // Else proceed normally.
40 # define __try try
41 # define __catch(X) catch(X)
42 # define __throw_exception_again throw
43 #endif
44
45 #endif
46