123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657 |
- #ifndef BOOST_CORE_NO_EXCEPTIONS_SUPPORT_HPP
- #define BOOST_CORE_NO_EXCEPTIONS_SUPPORT_HPP
- #if defined(_MSC_VER)
- # pragma once
- #endif
- //----------------------------------------------------------------------
- // (C) Copyright 2004 Pavel Vozenilek.
- // Use, modification and distribution is subject to the Boost Software
- // License, Version 1.0. (See accompanying file LICENSE_1_0.txt
- // or copy at http://www.boost.org/LICENSE_1_0.txt)
- //
- //
- // This file contains helper macros used when exception support may be
- // disabled (as indicated by macro BOOST_NO_EXCEPTIONS).
- //
- // Before picking up these macros you may consider using RAII techniques
- // to deal with exceptions - their syntax can be always the same with
- // or without exception support enabled.
- //----------------------------------------------------------------------
- #include <boost/config.hpp>
- #include <boost/config/workaround.hpp>
- #if !(defined BOOST_NO_EXCEPTIONS)
- # define BOOST_TRY { try
- # define BOOST_CATCH(x) catch(x)
- # define BOOST_RETHROW throw;
- # define BOOST_CATCH_END }
- #else
- # if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
- # define BOOST_TRY { if ("")
- # define BOOST_CATCH(x) else if (!"")
- # elif !defined(BOOST_MSVC) || BOOST_MSVC >= 1900
- # define BOOST_TRY { if (true)
- # define BOOST_CATCH(x) else if (false)
- # else
- // warning C4127: conditional expression is constant
- # define BOOST_TRY { \
- __pragma(warning(push)) \
- __pragma(warning(disable: 4127)) \
- if (true) \
- __pragma(warning(pop))
- # define BOOST_CATCH(x) else \
- __pragma(warning(push)) \
- __pragma(warning(disable: 4127)) \
- if (false) \
- __pragma(warning(pop))
- # endif
- # define BOOST_RETHROW
- # define BOOST_CATCH_END }
- #endif
- #endif
|