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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@13298 a592a061-630c-0410-9148-cb99ea01b6c8
88 lines
2.0 KiB
C++
88 lines
2.0 KiB
C++
#ifndef BOOST_DETAIL_NO_EXCEPTIONS_SUPPORT_HPP_
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#define BOOST_DETAIL_NO_EXCEPTIONS_SUPPORT_HPP_
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#if (defined _MSC_VER) && (_MSC_VER >= 1200)
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# pragma once
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#endif
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//----------------------------------------------------------------------
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// (C) Copyright 2004 Pavel Vozenilek.
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// Use, modification and distribution is subject to the Boost Software
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// License, Version 1.0. (See accompanying file LICENSE_1_0.txt
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// or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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//
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// This file contains helper macros used when exception support may be
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// disabled (as indicated by macro BOOST_NO_EXCEPTIONS).
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//
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// Before picking up these macros you may consider using RAII techniques
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// to deal with exceptions - their syntax can be always the same with
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// or without exception support enabled.
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//
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/* Example of use:
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void foo() {
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BOOST_TRY {
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...
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} BOOST_CATCH(const std::bad_alloc&) {
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...
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BOOST_RETHROW
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} BOOST_CATCH(const std::exception& e) {
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...
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}
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BOOST_CATCH_END
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}
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With exception support enabled it will expand into:
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void foo() {
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{ try {
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...
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} catch (const std::bad_alloc&) {
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...
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throw;
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} catch (const std::exception& e) {
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...
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}
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}
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}
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With exception support disabled it will expand into:
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void foo() {
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{ if(true) {
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...
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} else if (false) {
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...
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} else if (false) {
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...
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}
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}
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}
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*/
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//----------------------------------------------------------------------
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#include <boost/config.hpp>
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#include <boost/detail/workaround.hpp>
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#if !(defined BOOST_NO_EXCEPTIONS)
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# define BOOST_TRY { try
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# define BOOST_CATCH(x) catch(x)
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# define BOOST_RETHROW throw;
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# define BOOST_CATCH_END }
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#else
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# if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
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# define BOOST_TRY { if ("")
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# define BOOST_CATCH(x) else if (!"")
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# else
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# define BOOST_TRY { if (true)
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# define BOOST_CATCH(x) else if (false)
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# endif
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# define BOOST_RETHROW
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# define BOOST_CATCH_END }
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#endif
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#endif
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