59 lines
1.6 KiB
C++
59 lines
1.6 KiB
C++
|
#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
|