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