xref: /dflybsd-src/contrib/gcc-8.0/libstdc++-v3/libsupc++/exception_defines.h (revision 38fd149817dfbff97799f62fcb70be98c4e32523)
1*38fd1498Szrj // -fno-exceptions Support -*- C++ -*-
2*38fd1498Szrj 
3*38fd1498Szrj // Copyright (C) 2001-2018 Free Software Foundation, Inc.
4*38fd1498Szrj //
5*38fd1498Szrj // This file is part of the GNU ISO C++ Library.  This library is free
6*38fd1498Szrj // software; you can redistribute it and/or modify it under the
7*38fd1498Szrj // terms of the GNU General Public License as published by the
8*38fd1498Szrj // Free Software Foundation; either version 3, or (at your option)
9*38fd1498Szrj // any later version.
10*38fd1498Szrj 
11*38fd1498Szrj // This library is distributed in the hope that it will be useful,
12*38fd1498Szrj // but WITHOUT ANY WARRANTY; without even the implied warranty of
13*38fd1498Szrj // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14*38fd1498Szrj // GNU General Public License for more details.
15*38fd1498Szrj 
16*38fd1498Szrj // Under Section 7 of GPL version 3, you are granted additional
17*38fd1498Szrj // permissions described in the GCC Runtime Library Exception, version
18*38fd1498Szrj // 3.1, as published by the Free Software Foundation.
19*38fd1498Szrj 
20*38fd1498Szrj // You should have received a copy of the GNU General Public License and
21*38fd1498Szrj // a copy of the GCC Runtime Library Exception along with this program;
22*38fd1498Szrj // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
23*38fd1498Szrj // <http://www.gnu.org/licenses/>.
24*38fd1498Szrj 
25*38fd1498Szrj /** @file bits/exception_defines.h
26*38fd1498Szrj  *  This is an internal header file, included by other library headers.
27*38fd1498Szrj  *  Do not attempt to use it directly. @headername{exception}
28*38fd1498Szrj  */
29*38fd1498Szrj 
30*38fd1498Szrj #ifndef _EXCEPTION_DEFINES_H
31*38fd1498Szrj #define _EXCEPTION_DEFINES_H 1
32*38fd1498Szrj 
33*38fd1498Szrj #if ! __cpp_exceptions
34*38fd1498Szrj // Iff -fno-exceptions, transform error handling code to work without it.
35*38fd1498Szrj # define __try      if (true)
36*38fd1498Szrj # define __catch(X) if (false)
37*38fd1498Szrj # define __throw_exception_again
38*38fd1498Szrj #else
39*38fd1498Szrj // Else proceed normally.
40*38fd1498Szrj # define __try      try
41*38fd1498Szrj # define __catch(X) catch(X)
42*38fd1498Szrj # define __throw_exception_again throw
43*38fd1498Szrj #endif
44*38fd1498Szrj 
45*38fd1498Szrj #endif
46