Chris@16: #ifndef BOOST_STATECHART_EVENT_HPP_INCLUDED
Chris@16: #define BOOST_STATECHART_EVENT_HPP_INCLUDED
Chris@16: //////////////////////////////////////////////////////////////////////////////
Chris@16: // Copyright 2002-2007 Andreas Huber Doenni
Chris@16: // Distributed under the Boost Software License, Version 1.0. (See accompany-
Chris@16: // ing file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16: //////////////////////////////////////////////////////////////////////////////
Chris@16: 
Chris@16: 
Chris@16: 
Chris@16: #include <boost/statechart/event_base.hpp>
Chris@16: #include <boost/statechart/detail/rtti_policy.hpp>
Chris@16: #include <boost/statechart/detail/memory.hpp>
Chris@16: 
Chris@101: #include <boost/polymorphic_cast.hpp> // boost::polymorphic_downcast
Chris@16: 
Chris@16: #include <memory> // std::allocator
Chris@16: 
Chris@16: 
Chris@16: 
Chris@16: namespace boost
Chris@16: {
Chris@16: namespace statechart
Chris@16: {
Chris@16: 
Chris@16: 
Chris@16: 
Chris@16: //////////////////////////////////////////////////////////////////////////////
Chris@16: template< class MostDerived, class Allocator = std::allocator< void > >
Chris@16: class event : public detail::rtti_policy::rtti_derived_type<
Chris@16:   MostDerived, event_base >
Chris@16: {
Chris@16:   public:
Chris@16:     //////////////////////////////////////////////////////////////////////////
Chris@16:     // Compiler-generated copy constructor and copy assignment operator are
Chris@16:     // fine
Chris@16: 
Chris@16:     void * operator new( std::size_t size )
Chris@16:     {
Chris@16:       return detail::allocate< MostDerived, Allocator >( size );
Chris@16:     }
Chris@16: 
Chris@16:     void * operator new( std::size_t, void * p )
Chris@16:     {
Chris@16:       return p;
Chris@16:     }
Chris@16: 
Chris@16:     void operator delete( void * pEvent )
Chris@16:     {
Chris@16:       detail::deallocate< MostDerived, Allocator >( pEvent );
Chris@16:     }
Chris@16: 
Chris@16:     void operator delete( void * pEvent, void * p )
Chris@16:     {
Chris@16:     }
Chris@16: 
Chris@16:   protected:
Chris@16:     //////////////////////////////////////////////////////////////////////////
Chris@16:     event() {}
Chris@16:     virtual ~event() {}
Chris@16: 
Chris@16:   private:
Chris@16:     //////////////////////////////////////////////////////////////////////////
Chris@16:     virtual intrusive_ptr< const event_base > clone() const
Chris@16:     {
Chris@16:       return intrusive_ptr< const event_base >( new MostDerived(
Chris@16:         *polymorphic_downcast< const MostDerived * >( this ) ) );
Chris@16:     }
Chris@16: };
Chris@16: 
Chris@16: 
Chris@16: 
Chris@16: } // namespace statechart
Chris@16: } // namespace boost
Chris@16: 
Chris@16: 
Chris@16: 
Chris@16: #endif