mirror of
https://github.com/boostorg/msm.git
synced 2026-01-19 04:22:11 +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
96 lines
3.5 KiB
C++
96 lines
3.5 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/state_machine_def.hpp>
|
|
#include <boost/msm/front/puml/puml.hpp>
|
|
#include "PumlCommon.hpp"
|
|
|
|
#ifndef BOOST_MSM_NONSTANDALONE_TEST
|
|
#define BOOST_TEST_MODULE string_terminate_puml_test
|
|
#endif
|
|
#include <boost/test/unit_test.hpp>
|
|
|
|
using namespace std;
|
|
namespace msm = boost::msm;
|
|
using namespace msm::front;
|
|
using namespace msm::front::puml;
|
|
|
|
namespace
|
|
{
|
|
// note in the puml tests will be non-specialized types marked with _
|
|
|
|
// front-end: define the FSM structure
|
|
struct front_ : public msm::front::state_machine_def<front_>
|
|
{
|
|
BOOST_MSM_PUML_DECLARE_TABLE(
|
|
R"(
|
|
@startuml Player
|
|
skinparam linetype polyline
|
|
state Player{
|
|
[*]-> StateA
|
|
StateA -> StateB : some_event
|
|
StateB -> StateA : some_event
|
|
--
|
|
[*]-> StateC
|
|
StateC -> TerminalState : terminate_event
|
|
TerminalState -> [*]
|
|
}
|
|
@enduml
|
|
)"
|
|
)
|
|
|
|
// Replaces the default no-transition response.
|
|
template <class FSM,class Event>
|
|
void no_transition(Event const&, FSM&,int)
|
|
{
|
|
BOOST_FAIL("no_transition called!");
|
|
}
|
|
};
|
|
// Pick a back-end
|
|
typedef get_test_machines<front_> machines;
|
|
|
|
|
|
BOOST_AUTO_TEST_CASE_TEMPLATE(string_terminate_puml_test, machine, machines)
|
|
{
|
|
machine p;
|
|
static_assert(msm::back11::get_number_of_regions<typename machine::initial_state>::type::value == 2);
|
|
static_assert(::boost::mpl::size<typename machine::transition_table>::type::value == 3);
|
|
|
|
p.start();
|
|
BOOST_CHECK_MESSAGE(p.current_state()[0] == 0, "StateA should be active");
|
|
BOOST_CHECK_MESSAGE(p.current_state()[1] == 2, "StateC should be active");
|
|
|
|
p.process_event(Event<by_name("some_event")>{});
|
|
BOOST_CHECK_MESSAGE(p.current_state()[0] == 1, "StateB should be active");
|
|
BOOST_CHECK_MESSAGE(p.current_state()[1] == 2, "StateC should be active");
|
|
|
|
p.process_event(Event<by_name("some_event")>{});
|
|
BOOST_CHECK_MESSAGE(p.current_state()[0] == 0, "StateA should be active");
|
|
BOOST_CHECK_MESSAGE(p.current_state()[1] == 2, "StateC should be active");
|
|
|
|
// force termination
|
|
p.process_event(Event<by_name("terminate_event")>{});
|
|
BOOST_CHECK_MESSAGE(p.current_state()[0] == 0, "StateA should be active");
|
|
BOOST_CHECK_MESSAGE(p.current_state()[1] == 3, "TerminalState should be active");
|
|
|
|
// no more event processing => no state changes
|
|
p.process_event(Event<by_name("some_event")>{});
|
|
BOOST_CHECK_MESSAGE(p.current_state()[0] == 0, "StateA should be active");
|
|
BOOST_CHECK_MESSAGE(p.current_state()[1] == 3, "TerminalState should be active");
|
|
|
|
}
|
|
}
|
|
|
|
using backmp11_fsm = boost::msm::backmp11::state_machine<front_, boost::msm::backmp11::favor_compile_time>;
|
|
BOOST_MSM_BACKMP11_GENERATE_DISPATCH_TABLE(backmp11_fsm); |