mirror of
https://github.com/ecency/ecency-mobile.git
synced 2024-12-22 21:01:31 +03:00
87 lines
2.4 KiB
C++
87 lines
2.4 KiB
C++
|
// 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/proto/core.hpp>
|
||
|
|
#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)
|
||
|
|
{}
|
||
|
|
};
|
||
|
|
|
||
|
|
// grammar forbidding address of for terminals
|
||
|
|
struct terminal_grammar : proto::not_<proto::address_of<proto::_> >
|
||
|
|
{};
|
||
|
|
|
||
|
|
// Forward-declare an expression wrapper
|
||
|
|
template<typename Expr>
|
||
|
|
struct euml_terminal;
|
||
|
|
|
||
|
|
struct sm_domain
|
||
|
|
: proto::domain< proto::generator<euml_terminal>, terminal_grammar, boost::msm::msm_domain >
|
||
|
|
{};
|
||
|
|
|
||
|
|
struct state_grammar :
|
||
|
|
proto::and_<
|
||
|
|
proto::not_<proto::address_of<proto::_> >,
|
||
|
|
proto::not_<proto::shift_right<proto::_,proto::_> >,
|
||
|
|
proto::not_<proto::shift_left<proto::_,proto::_> >,
|
||
|
|
proto::not_<proto::bitwise_and<proto::_,proto::_> >
|
||
|
|
>
|
||
|
|
{};
|
||
|
|
struct state_domain
|
||
|
|
: proto::domain< proto::generator<euml_terminal>, boost::msm::state_grammar,boost::msm::sm_domain >
|
||
|
|
{};
|
||
|
|
|
||
|
|
template<typename Expr>
|
||
|
|
struct euml_terminal
|
||
|
|
: proto::extends<Expr, euml_terminal<Expr>, boost::msm::sm_domain>
|
||
|
|
{
|
||
|
|
typedef
|
||
|
|
proto::extends<Expr, euml_terminal<Expr>, boost::msm::sm_domain>
|
||
|
|
base_type;
|
||
|
|
// Needs a constructor
|
||
|
|
euml_terminal(Expr const &e = Expr())
|
||
|
|
: base_type(e)
|
||
|
|
{}
|
||
|
|
// Unhide Proto's overloaded assignment operator
|
||
|
|
using base_type::operator=;
|
||
|
|
};
|
||
|
|
|
||
|
|
} } // boost::msm
|
||
|
|
#endif //BOOST_MSM_GRAMMAR_H
|
||
|
|
|