You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and dots ('.'), can be up to 35 characters long. Letters must be lowercase.
46 lines
1.2 KiB
46 lines
1.2 KiB
// Copyright 2008 Christophe Henry |
|
// henry UNDERSCORE christophe AT hotmail DOT com |
|
// This is an extended version of the state machine available in the boost::mpl library |
|
// Distributed under the same license as the original. |
|
// Copyright for the original version: |
|
// Copyright 2005 David Abrahams and Aleksey Gurtovoy. 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) |
|
|
|
#ifndef BOOST_MSM_GRAMMAR_H |
|
#define BOOST_MSM_GRAMMAR_H |
|
|
|
#include <boost/msm/common.hpp> |
|
|
|
|
|
namespace boost { namespace msm |
|
{ |
|
// base grammar for all of msm's proto-based grammars |
|
struct basic_grammar : proto::_ |
|
{}; |
|
|
|
// Forward-declare an expression wrapper |
|
template<typename Expr> |
|
struct msm_terminal; |
|
|
|
struct msm_domain |
|
: proto::domain< proto::generator<msm_terminal>, basic_grammar > |
|
{}; |
|
|
|
template<typename Expr> |
|
struct msm_terminal |
|
: proto::extends<Expr, msm_terminal<Expr>, msm_domain> |
|
{ |
|
typedef |
|
proto::extends<Expr, msm_terminal<Expr>, msm_domain> |
|
base_type; |
|
// Needs a constructor |
|
msm_terminal(Expr const &e = Expr()) |
|
: base_type(e) |
|
{} |
|
}; |
|
|
|
} } // boost::msm |
|
#endif //BOOST_MSM_GRAMMAR_H |
|
|
|
|