1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
#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
|
