43 lines
802 B
C++
43 lines
802 B
C++
|
|
#ifndef BOOST_FSM_STATE_INCLUDED
|
|
#define BOOST_FSM_STATE_INCLUDED
|
|
|
|
// Copyright Aleksey Gurtovoy 2002-2004
|
|
//
|
|
// Distributed under the Boost Software License, Version 1.0.
|
|
// (See accompanying file LICENSE_1_0.txt or copy at
|
|
// http://www.boost.org/LICENSE_1_0.txt)
|
|
//
|
|
// See http://www.boost.org/libs/mpl for documentation.
|
|
|
|
// $Id$
|
|
// $Date$
|
|
// $Revision$
|
|
|
|
#include <boost/mpl/integral_c.hpp>
|
|
|
|
namespace fsm { namespace aux {
|
|
|
|
namespace mpl = boost::mpl;
|
|
|
|
// represent a FSM state
|
|
|
|
template<
|
|
typename T
|
|
, long State
|
|
, void (T::* invariant_func)() const
|
|
>
|
|
struct state
|
|
: mpl::integral_c<long,State>
|
|
{
|
|
static long do_check_invariant(T const& x)
|
|
{
|
|
if (invariant_func) (x.*invariant_func)();
|
|
return State;
|
|
}
|
|
};
|
|
|
|
}}
|
|
|
|
#endif // BOOST_FSM_STATE_INCLUDED
|