64 lines
2.2 KiB
C++
64 lines
2.2 KiB
C++
#ifndef BOOST_STATECHART_SHALLOW_HISTORY_HPP_INCLUDED
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#define BOOST_STATECHART_SHALLOW_HISTORY_HPP_INCLUDED
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//////////////////////////////////////////////////////////////////////////////
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// Copyright 2002-2006 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/mpl/bool.hpp>
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#include <boost/static_assert.hpp>
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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 DefaultState >
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class shallow_history
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{
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public:
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//////////////////////////////////////////////////////////////////////////
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// If you receive a
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// "use of undefined type 'boost::STATIC_ASSERTION_FAILURE<x>'" or similar
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// compiler error here then you forgot to pass either
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// statechart::has_deep_history or statechart::has_full_history as the
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// last parameter of DefaultState's context.
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BOOST_STATIC_ASSERT( DefaultState::context_type::shallow_history::value );
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//////////////////////////////////////////////////////////////////////////
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// The following declarations should be private.
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// They are only public because many compilers lack template friends.
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//////////////////////////////////////////////////////////////////////////
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typedef typename DefaultState::outermost_context_base_type
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outermost_context_base_type;
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typedef typename DefaultState::context_type context_type;
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typedef typename DefaultState::context_ptr_type context_ptr_type;
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typedef typename DefaultState::context_type_list context_type_list;
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typedef typename DefaultState::orthogonal_position orthogonal_position;
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static void deep_construct(
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const context_ptr_type & pContext,
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outermost_context_base_type & outermostContextBase )
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{
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outermostContextBase.template construct_with_shallow_history<
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DefaultState >( pContext );
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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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