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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
332 lines
10 KiB
C++
332 lines
10 KiB
C++
// Copyright 2024 Christophe Henry
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// henry UNDERSCORE christophe AT hotmail DOT com
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// This is an extended version of the state machine available in the boost::mpl library
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// Distributed under the same license as the original.
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// Copyright for the original version:
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// Copyright 2005 David Abrahams and Aleksey Gurtovoy. Distributed
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// under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#include <boost/msm/front/puml/puml.hpp>
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using namespace boost::msm::front;
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using namespace boost::msm::front::puml;
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namespace boost::msm::front::puml {
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// events
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template<>
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struct Event<by_name("play")> { int cpt_ = 0; };
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template<>
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struct Event<by_name("end_pause")> { int cpt_ = 0; };
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template<>
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struct Event<by_name("stop")> {};
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template<>
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struct Event<by_name("pause")> {};
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template<>
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struct Event<by_name("open_close")> {};
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template<>
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struct Event<by_name("internal_evt")> {};
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template<>
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struct Event<by_name("to_ignore")> {};
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// A "complicated" event type that carries some data.
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enum DiskTypeEnum
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{
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DISK_CD = 0,
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DISK_DVD = 1
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};
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template<>
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struct Event<by_name("cd_detected")>
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{
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Event(std::string name, DiskTypeEnum diskType= DISK_CD)
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: name(name),
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disc_type(diskType)
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{}
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std::string name;
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DiskTypeEnum disc_type;
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};
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// The list of FSM states
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template<>
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struct State<by_name("Empty")> : public msm::front::state<>
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{
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template <class Event, class FSM>
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void on_entry(Event const&, FSM&) { ++entry_counter; }
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template <class Event, class FSM>
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void on_exit(Event const&, FSM&) { ++exit_counter; }
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int entry_counter = 0;
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int exit_counter = 0;
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unsigned int empty_internal_guard_counter = 0;
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unsigned int empty_internal_action_counter = 0;
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};
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template<>
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struct State<by_name("Open")> : public msm::front::state<>
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{
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template <class Event, class FSM>
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void on_entry(Event const&, FSM&) { ++entry_counter; }
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template <class Event, class FSM>
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void on_exit(Event const&, FSM&) { ++exit_counter; }
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int entry_counter = 0;
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int exit_counter = 0;
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};
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template<>
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struct State<by_name("Stopped")> : public msm::front::state<>
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{
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template <class Event, class FSM>
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void on_entry(Event const&, FSM&) { ++entry_counter; }
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template <class Event, class FSM>
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void on_exit(Event const&, FSM&) { ++exit_counter; }
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int entry_counter = 0;
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int exit_counter = 0;
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};
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template<>
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struct State<by_name("Paused")> : public msm::front::state<>
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{
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template <class Event, class FSM>
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void on_entry(Event const&, FSM&) { ++entry_counter; }
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template <class Event, class FSM>
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void on_exit(Event const&, FSM&) { ++exit_counter; }
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int entry_counter = 0;
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int exit_counter = 0;
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};
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template<>
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struct State<by_name("Playing")> : public msm::front::state<>
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{
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template <class Event, class FSM>
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void on_entry(Event const&, FSM&) { ++entry_counter; }
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template <class Event, class FSM>
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void on_exit(Event const&, FSM&) { ++exit_counter; }
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int entry_counter = 0;
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int exit_counter = 0;
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};
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template<>
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struct State<by_name("Playing2")> : public msm::front::state<>
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{
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template <class Event, class FSM>
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void on_entry(Event const& e, FSM&)
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{
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++entry_counter;
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event_counter = e.cpt_;
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}
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template <class Event, class FSM>
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void on_exit(Event const&, FSM&) { ++exit_counter; }
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int entry_counter = 0;
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int exit_counter = 0;
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int event_counter = 0;
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};
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//actions
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template<>
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struct Action<by_name("open_drawer")>
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{
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template <class EVT, class FSM, class SourceState, class TargetState>
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void operator()(EVT const&, FSM&, SourceState&, TargetState&)
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{
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}
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};
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template<>
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struct Action<by_name("close_drawer")>
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{
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template <class EVT, class FSM, class SourceState, class TargetState>
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void operator()(EVT const&, FSM&, SourceState&, TargetState&)
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{
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}
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};
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template<>
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struct Action<by_name("start_playback")>
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{
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template <class EVT, class FSM, class SourceState, class TargetState>
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void operator()(EVT const&, FSM& fsm, SourceState&, TargetState&)
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{
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++fsm.start_playback_counter;
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}
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};
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template<>
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struct Action<by_name("store_cd_info")>
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{
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template <class EVT, class FSM, class SourceState, class TargetState>
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void operator()(EVT const&, FSM&, SourceState&, TargetState&)
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{
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}
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};
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template<>
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struct Action<by_name("store_cd_info2")>
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{
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template <class EVT, class FSM, class SourceState, class TargetState>
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void operator()(EVT const&, FSM& fsm, SourceState&, TargetState&)
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{
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fsm.process_event(Event<by_name("play")>{});
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}
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};
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template<>
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struct Action<by_name("stop_playback")>
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{
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template <class EVT, class FSM, class SourceState, class TargetState>
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void operator()(EVT const&, FSM&, SourceState&, TargetState&)
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{
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}
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};
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template<>
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struct Action<by_name("pause_playback")>
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{
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template <class EVT, class FSM, class SourceState, class TargetState>
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void operator()(EVT const&, FSM&, SourceState&, TargetState&)
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{
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}
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};
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template<>
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struct Action<by_name("resume_playback")>
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{
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template <class EVT, class FSM, class SourceState, class TargetState>
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void operator()(EVT&, FSM&, SourceState&, TargetState&)
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{
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}
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};
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template<>
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struct Action<by_name("resume_playback2")>
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{
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template <class EVT, class FSM, class SourceState, class TargetState>
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void operator()(EVT const& e, FSM&, SourceState&, TargetState&)
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{
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++(*const_cast<EVT*>(&e)).cpt_;
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}
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};
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template<>
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struct Action<by_name("stop_and_open")>
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{
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template <class EVT, class FSM, class SourceState, class TargetState>
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void operator()(EVT const&, FSM&, SourceState&, TargetState&)
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{
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}
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};
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template<>
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struct Action<by_name("stopped_again")>
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{
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template <class EVT, class FSM, class SourceState, class TargetState>
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void operator()(EVT const&, FSM&, SourceState&, TargetState&)
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{
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}
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};
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template<>
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struct Action<by_name("internal_action")>
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{
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template <class EVT, class FSM, class SourceState, class TargetState>
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void operator()(EVT const&, FSM& fsm, SourceState&, TargetState&)
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{
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++fsm.internal_action_counter;
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}
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};
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template<>
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struct Action<by_name("internal_action_fct")>
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{
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template <class EVT, class FSM, class SourceState, class TargetState>
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void operator()(EVT const&, FSM&, SourceState& src, TargetState&)
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{
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++src.empty_internal_action_counter;
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}
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};
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template<>
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struct Action<by_name("TestFct")>
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{
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template <class EVT, class FSM, class SourceState, class TargetState>
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void operator()(EVT const& e, FSM& fsm, SourceState&, TargetState&)
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{
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++(*const_cast<EVT*>(&e)).cpt_;
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++fsm.test_fct_counter;
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}
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};
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template<>
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struct Action<by_name("increment_entry")>
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{
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template <class EVT, class FSM, class SourceState, class TargetState>
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void operator()(EVT&, FSM& fsm, SourceState&, TargetState&)
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{
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++fsm.entry_counter;
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}
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};
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template<>
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struct Action<by_name("increment_exit")>
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{
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template <class EVT, class FSM, class SourceState, class TargetState>
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void operator()(EVT&, FSM& fsm, SourceState&, TargetState&)
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{
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++fsm.exit_counter;
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}
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};
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// guard conditions
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template<>
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struct Guard<by_name("good_disk_format")>
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{
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template <class EVT, class FSM, class SourceState, class TargetState>
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bool operator()(EVT& evt, FSM&, SourceState&, TargetState&)
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{
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// to test a guard condition, let's say we understand only CDs, not DVD
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if (evt.disc_type != DISK_CD)
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{
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return false;
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}
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return true;
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}
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};
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template<>
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struct Guard<by_name("can_close_drawer")>
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{
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template <class EVT, class FSM, class SourceState, class TargetState>
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bool operator()(EVT const&, FSM& fsm, SourceState&, TargetState&)
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{
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++fsm.can_close_drawer_counter;
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return true;
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}
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};
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template<>
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struct Guard<by_name("internal_guard")>
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{
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template <class EVT, class FSM, class SourceState, class TargetState>
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bool operator()(EVT const&, FSM& fsm, SourceState&, TargetState&)
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{
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++fsm.internal_guard_counter;
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return false;
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}
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};
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template<>
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struct Guard<by_name("internal_guard_fct")>
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{
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template <class EVT, class FSM, class SourceState, class TargetState>
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bool operator()(EVT const&, FSM&, SourceState& src, TargetState&)
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{
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++src.empty_internal_guard_counter;
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return false;
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}
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};
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template<>
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struct Guard<by_name("internal_guard2")>
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{
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template <class EVT, class FSM, class SourceState, class TargetState>
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bool operator()(EVT const&, FSM& fsm, SourceState&, TargetState&)
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{
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++fsm.internal_guard_counter;
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return true;
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}
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};
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template<>
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struct Guard<by_name("DummyGuard")>
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{
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template <class EVT, class FSM, class SourceState, class TargetState>
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bool operator()(EVT const&, FSM&, SourceState&, TargetState&)
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{
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return true;
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}
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};
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template<>
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struct Guard<by_name("always_true")>
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{
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template <class EVT, class FSM, class SourceState, class TargetState>
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bool operator()(EVT const&, FSM&, SourceState&, TargetState&)
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{
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return true;
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}
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};
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}
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