#ifndef BOOST_STATECHART_EXCEPTION_TRANSLATOR_HPP_INCLUDED
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#define BOOST_STATECHART_EXCEPTION_TRANSLATOR_HPP_INCLUDED
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//////////////////////////////////////////////////////////////////////////////
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// Copyright 2002-2006 Andreas Huber Doenni
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// Distributed under the Boost Software License, Version 1.0. (See accompany-
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// ing file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//////////////////////////////////////////////////////////////////////////////
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#include <boost/statechart/event.hpp>
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#include <boost/statechart/result.hpp>
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namespace boost
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{
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namespace statechart
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{
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//////////////////////////////////////////////////////////////////////////////
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class exception_thrown : public event< exception_thrown > {};
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//////////////////////////////////////////////////////////////////////////////
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template< class ExceptionEvent = exception_thrown >
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class exception_translator
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{
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public:
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//////////////////////////////////////////////////////////////////////////
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// The following declarations should be private.
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// They are only public because many compilers lack template friends.
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//////////////////////////////////////////////////////////////////////////
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template< class Action, class ExceptionEventHandler >
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result operator()( Action action, ExceptionEventHandler eventHandler )
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{
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try
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{
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return action();
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}
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catch ( ... )
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{
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return eventHandler( ExceptionEvent() );
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}
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}
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};
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} // namespace statechart
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} // namespace boost
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#endif
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