1 #ifndef BOOST_CORE_NO_EXCEPTIONS_SUPPORT_HPP
2 #define BOOST_CORE_NO_EXCEPTIONS_SUPPORT_HPP
8 //----------------------------------------------------------------------
9 // (C) Copyright 2004 Pavel Vozenilek.
10 // Use, modification and distribution is subject to the Boost Software
11 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt
12 // or copy at http://www.boost.org/LICENSE_1_0.txt)
15 // This file contains helper macros used when exception support may be
16 // disabled (as indicated by macro BOOST_NO_EXCEPTIONS).
18 // Before picking up these macros you may consider using RAII techniques
19 // to deal with exceptions - their syntax can be always the same with
20 // or without exception support enabled.
21 //----------------------------------------------------------------------
23 #include <boost/config.hpp>
24 #include <boost/config/workaround.hpp>
26 #if !(defined BOOST_NO_EXCEPTIONS)
27 # define BOOST_TRY { try
28 # define BOOST_CATCH(x) catch(x)
29 # define BOOST_RETHROW throw;
30 # define BOOST_CATCH_END }
32 # if BOOST_WORKAROUND(BOOST_BORLANDC, BOOST_TESTED_AT(0x564))
33 # define BOOST_TRY { if ("")
34 # define BOOST_CATCH(x) else if (!"")
35 # elif !defined(BOOST_MSVC) || BOOST_MSVC >= 1900
36 # define BOOST_TRY { if (true)
37 # define BOOST_CATCH(x) else if (false)
39 // warning C4127: conditional expression is constant
40 # define BOOST_TRY { \
41 __pragma(warning(push)) \
42 __pragma(warning(disable: 4127)) \
44 __pragma(warning(pop))
45 # define BOOST_CATCH(x) else \
46 __pragma(warning(push)) \
47 __pragma(warning(disable: 4127)) \
49 __pragma(warning(pop))
51 # define BOOST_RETHROW
52 # define BOOST_CATCH_END }