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78 lines
2.0 KiB
78 lines
2.0 KiB
#ifndef BOOST_STATECHART_EVENT_HPP_INCLUDED |
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#define BOOST_STATECHART_EVENT_HPP_INCLUDED |
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////////////////////////////////////////////////////////////////////////////// |
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// Copyright 2002-2007 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_base.hpp> |
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#include <boost/statechart/detail/rtti_policy.hpp> |
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#include <boost/statechart/detail/memory.hpp> |
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#include <boost/cast.hpp> // boost::polymorphic_downcast |
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#include <memory> // std::allocator |
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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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template< class MostDerived, class Allocator = std::allocator< void > > |
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class event : public detail::rtti_policy::rtti_derived_type< |
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MostDerived, event_base > |
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{ |
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public: |
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////////////////////////////////////////////////////////////////////////// |
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// Compiler-generated copy constructor and copy assignment operator are |
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// fine |
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void * operator new( std::size_t size ) |
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{ |
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return detail::allocate< MostDerived, Allocator >( size ); |
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} |
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void * operator new( std::size_t, void * p ) |
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{ |
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return p; |
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} |
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void operator delete( void * pEvent ) |
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{ |
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detail::deallocate< MostDerived, Allocator >( pEvent ); |
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} |
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void operator delete( void * pEvent, void * p ) |
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{ |
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} |
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protected: |
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////////////////////////////////////////////////////////////////////////// |
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event() {} |
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virtual ~event() {} |
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private: |
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////////////////////////////////////////////////////////////////////////// |
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virtual intrusive_ptr< const event_base > clone() const |
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{ |
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return intrusive_ptr< const event_base >( new MostDerived( |
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*polymorphic_downcast< const MostDerived * >( this ) ) ); |
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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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