lyx_mirror/boost/boost/detail/no_exceptions_support.hpp
Lars Gullik Bjønnes 376aaac146 Upgrade to boost 1.33.1
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@13298 a592a061-630c-0410-9148-cb99ea01b6c8
2006-03-05 18:22:35 +00:00

88 lines
2.0 KiB
C++

#ifndef BOOST_DETAIL_NO_EXCEPTIONS_SUPPORT_HPP_
#define BOOST_DETAIL_NO_EXCEPTIONS_SUPPORT_HPP_
#if (defined _MSC_VER) && (_MSC_VER >= 1200)
# 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.
//
/* Example of use:
void foo() {
BOOST_TRY {
...
} BOOST_CATCH(const std::bad_alloc&) {
...
BOOST_RETHROW
} BOOST_CATCH(const std::exception& e) {
...
}
BOOST_CATCH_END
}
With exception support enabled it will expand into:
void foo() {
{ try {
...
} catch (const std::bad_alloc&) {
...
throw;
} catch (const std::exception& e) {
...
}
}
}
With exception support disabled it will expand into:
void foo() {
{ if(true) {
...
} else if (false) {
...
} else if (false) {
...
}
}
}
*/
//----------------------------------------------------------------------
#include <boost/config.hpp>
#include <boost/detail/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 (!"")
# else
# define BOOST_TRY { if (true)
# define BOOST_CATCH(x) else if (false)
# endif
# define BOOST_RETHROW
# define BOOST_CATCH_END }
#endif
#endif