#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

