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Boost Exception major refactoring: works with or without RTTI, vastly improved boost::throw_exception integration.

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[SVN r48905]
This commit is contained in:
Emil Dotchevski
2008-09-19 20:29:26 +00:00
committed by Peter Dimov
parent 4ae98c397c
commit fc1d3ff88b
8 changed files with 535 additions and 83 deletions
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<h1>Boost Exception</h1>
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<!-- Copyright (c) 2006-2008 Emil Dotchevski and Reverge Studios, Inc. -->
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<div class="RenoIncludeDIV"><div class="RenoAutoDIV"><h3>BOOST_THROW_EXCEPTION</h3>
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<div class="RenoIncludeDIV"><p><span class="RenoEscape">&#35;<!--<wiki>`&#35;</wiki>--></span>include &lt;<span class="RenoLink"><a href="throw_exception_hpp.html">boost/throw_exception.hpp</a></span>&gt;</p>
<div class="RenoIncludeDIV"><pre>#if !defined( BOOST_NO_EXCEPTIONS ) &amp;&amp; !defined( BOOST_EXCEPTION_DISABLE )
#include &lt;<span class="RenoLink"><a href="exception_exception_hpp.html">boost/exception/exception.hpp</a></span>&gt;
#include &lt;boost/current_function.hpp&gt;
#define <span class="RenoLink"><a href="BOOST_THROW_EXCEPTION.html">BOOST_THROW_EXCEPTION</a></span>(x)\
::boost::<span class="RenoLink"><a href="throw_exception.html">throw_exception</a></span>( ::boost::<span class="RenoLink"><a href="enable_error_info.html">enable_error_info</a></span>(x) &lt;&lt;\
::boost::<span class="RenoLink"><a href="exception_exception_hpp.html">throw_function</a></span>(BOOST_CURRENT_FUNCTION) &lt;&lt;\
::boost::<span class="RenoLink"><a href="exception_exception_hpp.html">throw_file</a></span>(__FILE__) &lt;&lt;\
::boost::<span class="RenoLink"><a href="exception_exception_hpp.html">throw_line</a></span>((int)__LINE__) )
#else
#define <span class="RenoLink"><a href="BOOST_THROW_EXCEPTION.html">BOOST_THROW_EXCEPTION</a></span>(x) ::boost::<span class="RenoLink"><a href="throw_exception.html">throw_exception</a></span>(x)
#endif</pre>
</div></div><p>This macro takes an exception object, records BOOST_CURRENT_FUNCTION, __FILE__ and __LINE__ in it, and forwards it to <span class="RenoLink"><a href="throw_exception.html">throw_exception</a></span>. To recover this information at the catch site, use <span class="RenoLink"><a href="get_error_info.html">get_error_info</a></span>; the information is also included in the message returned by <span class="RenoLink"><a href="diagnostic_information.html">diagnostic_information</a></span>.</p>
</div><div class="RenoPageList"><a href="boost-exception.html">Boost Exception<br/>
</a><a href="throw_exception_hpp.html">boost/throw_exception.hpp<br/>
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<small>Copyright (c) 2006-2008 by Emil Dotchevski and Reverge Studios, Inc.<br/>
Distributed under the <a href="http://www.boost.org/LICENSE_1_0.txt">Boost Software License, Version 1.0</a>.</small>
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<pre>namespace
boost
{
<span class="RenoIncludeSPAN"> #ifdef BOOST_NO_EXCEPTIONS
<span class="RenoIncludeSPAN">#ifdef BOOST_NO_EXCEPTIONS
void <span class="RenoLink"><a href="throw_exception.html">throw_exception</a></span>( std::exception const &amp; e ); // user defined
#else
#else
template &lt;class E&gt;
void <span class="RenoLink"><a href="throw_exception.html">throw_exception</a></span>( E const &amp; e );
#endif</span>
#endif</span>
}</pre>
</div><h4>Requirements:</h4>
<p>E must derive publicly from std::exception.</p>
@ -44,8 +40,10 @@ boost
</ul></div>
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<h3>See Also:</h3>
<div class="RenoPageList"><a href="boost-exception.html">Boost Exception<br/>
<div class="RenoPageList"><a href="BOOST_THROW_EXCEPTION.html">BOOST_THROW_EXCEPTION<br/>
</a><a href="boost-exception.html">Boost Exception<br/>
</a><a href="throw_exception_hpp.html">boost/throw_exception.hpp<br/>
</a><a href="configuration_macros.html">Configuration Macros<br/>
</a><a href="enable_current_exception.html">enable_current_exception<br/>
</a><a href="tutorial_exception_ptr.html">Transporting of Exceptions Between Threads<br/>
</a></div>