author | Mike Kinghan <mikek@symbian.org> |
Tue, 13 Jul 2010 15:21:54 +0100 | |
changeset 24 | 936784880b21 |
parent 2 | 39c28ec933dd |
permissions | -rwxr-xr-x |
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#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 |