mirror of
https://github.com/boostorg/msm.git
synced 2026-01-19 16:32:11 +00:00
2d87fa9145
First version of the backmp11 backend. Contains: - favor_runtime_speed policy that mainly replaces MPL with Mp11 - favor_compile_time that uses a new mechanism with dispatch tables per state
107 lines
3.6 KiB
C++
107 lines
3.6 KiB
C++
// Copyright 2024 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)
|
|
|
|
// back-end
|
|
#include "BackCommon.hpp"
|
|
//front-end
|
|
#include <boost/msm/front/functor_row.hpp>
|
|
#include <boost/msm/front/state_machine_def.hpp>
|
|
#ifndef BOOST_MSM_NONSTANDALONE_TEST
|
|
#define BOOST_TEST_MODULE back_many_deferred_transitions
|
|
#endif
|
|
#include <boost/test/unit_test.hpp>
|
|
|
|
namespace msm = boost::msm;
|
|
namespace msmf = boost::msm::front;
|
|
namespace mpl = boost::mpl;
|
|
|
|
namespace
|
|
{
|
|
// ----- Events
|
|
struct Event1 {};
|
|
struct Event2 {};
|
|
struct Event3 {};
|
|
struct Event4 {};
|
|
|
|
// ----- State machine
|
|
struct Sm1_ :msmf::state_machine_def<Sm1_> {
|
|
|
|
// States
|
|
struct State1 :msmf::state<> {
|
|
template <class Event, class Fsm>
|
|
void on_entry(Event const&, Fsm&) const {
|
|
}
|
|
};
|
|
struct State2 :msmf::state<> {
|
|
template <class Event, class Fsm>
|
|
void on_entry(Event const&, Fsm&) const {
|
|
}
|
|
};
|
|
struct State3 :msmf::state<> {
|
|
template <class Event, class Fsm>
|
|
void on_entry(Event const&, Fsm&) const {
|
|
}
|
|
};
|
|
struct State4 :msmf::state<> {
|
|
template <class Event, class Fsm>
|
|
void on_entry(Event const&, Fsm&) const {
|
|
}
|
|
};
|
|
struct State5 :msmf::state<> {
|
|
template <class Event, class Fsm>
|
|
void on_entry(Event const&, Fsm&) const {
|
|
}
|
|
};
|
|
// Set initial state
|
|
typedef State1 initial_state;
|
|
// Enable deferred capability
|
|
typedef int activate_deferred_events;
|
|
// Transition table
|
|
struct transition_table :mpl::vector<
|
|
// Start Event Next Action Guard
|
|
msmf::Row < State1, Event1, msmf::none, msmf::Defer>,
|
|
msmf::Row < State1, Event2, msmf::none, msmf::Defer>,
|
|
msmf::Row < State1, Event3, msmf::none, msmf::Defer>,
|
|
msmf::Row < State1, Event4, State2 , msmf::none>,
|
|
|
|
msmf::Row < State2, Event3, msmf::none, msmf::Defer>,
|
|
msmf::Row < State2, Event1, msmf::none, msmf::Defer>,
|
|
msmf::Row < State2, Event2, State3 , msmf::none>,
|
|
|
|
msmf::Row < State3, Event1, State4 , msmf::none>,
|
|
msmf::Row < State3, Event3, State5 , msmf::none>,
|
|
msmf::Row < State4, Event3, State5 , msmf::none>,
|
|
msmf::Row < State5, Event1, State4 , msmf::none>
|
|
> {};
|
|
|
|
template <class Fsm, class Event>
|
|
void no_transition(Event const&, Fsm&, int /*state*/) {
|
|
}
|
|
};
|
|
|
|
// Pick a back-end
|
|
typedef get_test_machines<Sm1_> Sm1s;
|
|
|
|
|
|
BOOST_AUTO_TEST_CASE_TEMPLATE(back_many_deferred_transitions, Sm1, Sm1s)
|
|
{
|
|
Sm1 sm1;
|
|
sm1.start();
|
|
sm1.process_event(Event1());
|
|
sm1.process_event(Event2());
|
|
sm1.process_event(Event3());
|
|
sm1.process_event(Event4());
|
|
|
|
BOOST_CHECK_MESSAGE(sm1.current_state()[0] == 4, "State5 should be active");
|
|
}
|
|
}
|
|
|
|
using backmp11_fsm = boost::msm::backmp11::state_machine<Sm1_, boost::msm::backmp11::favor_compile_time>;
|
|
BOOST_MSM_BACKMP11_GENERATE_DISPATCH_TABLE(backmp11_fsm); |