1 | // -fno-exceptions Support -*- C++ -*- |
2 | |
3 | // Copyright (C) 2001-2017 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 | #if ! __cpp_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 | |