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
315 lines
18 KiB
C++
315 lines
18 KiB
C++
// Copyright 2010 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>
|
|
#ifndef BOOST_MSM_NONSTANDALONE_TEST
|
|
#define BOOST_TEST_MODULE entries_test
|
|
#endif
|
|
#include <boost/test/unit_test.hpp>
|
|
|
|
namespace msm = boost::msm;
|
|
namespace mpl = boost::mpl;
|
|
|
|
namespace
|
|
{
|
|
// events
|
|
struct event1 {};
|
|
struct event2 {};
|
|
struct event3 {};
|
|
struct event4 {};
|
|
struct event5 {};
|
|
struct event6
|
|
{
|
|
event6(){}
|
|
template <class Event>
|
|
event6(Event const&){}
|
|
};
|
|
template<template <typename...> class Back, typename Policy = void>
|
|
struct hierarchical_state_machine
|
|
{
|
|
// front-end: define the FSM structure
|
|
struct Fsm_ : public msm::front::state_machine_def<Fsm_>
|
|
{
|
|
BOOST_MSM_TEST_DEFINE_DEPENDENT_TEMPLATES(Fsm_);
|
|
|
|
// The list of FSM states
|
|
struct State1 : public msm::front::state<>
|
|
{
|
|
template <class Event,class FSM>
|
|
void on_entry(Event const&,FSM& ) {++entry_counter;}
|
|
template <class Event,class FSM>
|
|
void on_exit(Event const&,FSM& ) {++exit_counter;}
|
|
int entry_counter;
|
|
int exit_counter;
|
|
};
|
|
struct State2 : public msm::front::state<>
|
|
{
|
|
template <class Event,class FSM>
|
|
void on_entry(Event const&,FSM& ) {++entry_counter;}
|
|
template <class Event,class FSM>
|
|
void on_exit(Event const&,FSM& ) {++exit_counter;}
|
|
int entry_counter;
|
|
int exit_counter;
|
|
};
|
|
struct SubFsm2_ : public msm::front::state_machine_def<SubFsm2_>
|
|
{
|
|
BOOST_MSM_TEST_DEFINE_DEPENDENT_TEMPLATES(SubFsm2_);
|
|
typedef Back<SubFsm2_, Policy> SubFsm2;
|
|
|
|
unsigned int entry_action_counter;
|
|
|
|
template <class Event,class FSM>
|
|
void on_entry(Event const&,FSM& ) {++entry_counter;}
|
|
template <class Event,class FSM>
|
|
void on_exit(Event const&,FSM& ) {++exit_counter;}
|
|
int entry_counter;
|
|
int exit_counter;
|
|
|
|
struct SubState1 : public msm::front::state<>
|
|
{
|
|
template <class Event,class FSM>
|
|
void on_entry(Event const&,FSM& ) {++entry_counter;}
|
|
template <class Event,class FSM>
|
|
void on_exit(Event const&,FSM& ) {++exit_counter;}
|
|
int entry_counter;
|
|
int exit_counter;
|
|
};
|
|
struct SubState1b : public msm::front::state<>
|
|
{
|
|
template <class Event,class FSM>
|
|
void on_entry(Event const&,FSM& ) {++entry_counter;}
|
|
template <class Event,class FSM>
|
|
void on_exit(Event const&,FSM& ) {++exit_counter;}
|
|
int entry_counter;
|
|
int exit_counter;
|
|
};
|
|
struct SubState2 : public msm::front::state<> , public msm::front::explicit_entry<0>
|
|
{
|
|
template <class Event,class FSM>
|
|
void on_entry(Event const&,FSM& ) {++entry_counter;}
|
|
template <class Event,class FSM>
|
|
void on_exit(Event const&,FSM& ) {++exit_counter;}
|
|
int entry_counter;
|
|
int exit_counter;
|
|
};
|
|
struct SubState2b : public msm::front::state<> , public msm::front::explicit_entry<1>
|
|
{
|
|
template <class Event,class FSM>
|
|
void on_entry(Event const&,FSM& ) {++entry_counter;}
|
|
template <class Event,class FSM>
|
|
void on_exit(Event const&,FSM& ) {++exit_counter;}
|
|
int entry_counter;
|
|
int exit_counter;
|
|
};
|
|
// test with a pseudo entry
|
|
struct PseudoEntry1 : public msm::front::entry_pseudo_state<0>
|
|
{
|
|
template <class Event,class FSM>
|
|
void on_entry(Event const&,FSM& ) {++entry_counter;}
|
|
template <class Event,class FSM>
|
|
void on_exit(Event const&,FSM& ) {++exit_counter;}
|
|
int entry_counter;
|
|
int exit_counter;
|
|
};
|
|
struct SubState3 : public msm::front::state<>
|
|
{
|
|
template <class Event,class FSM>
|
|
void on_entry(Event const&,FSM& ) {++entry_counter;}
|
|
template <class Event,class FSM>
|
|
void on_exit(Event const&,FSM& ) {++exit_counter;}
|
|
int entry_counter;
|
|
int exit_counter;
|
|
};
|
|
struct PseudoExit1 : public msm::front::exit_pseudo_state<event6>
|
|
{
|
|
template <class Event,class FSM>
|
|
void on_entry(Event const&,FSM& ) {++entry_counter;}
|
|
template <class Event,class FSM>
|
|
void on_exit(Event const&,FSM& ) {++exit_counter;}
|
|
int entry_counter;
|
|
int exit_counter;
|
|
};
|
|
// action methods
|
|
void entry_action(event4 const&)
|
|
{
|
|
++entry_action_counter;
|
|
}
|
|
// the initial state. Must be defined
|
|
typedef mpl::vector<SubState1,SubState1b> initial_state;
|
|
|
|
typedef mpl::vector<SubState2b> explicit_creation;
|
|
|
|
// Transition table for SubFsm2
|
|
struct transition_table : mpl::vector<
|
|
// Start Event Next Action Guard
|
|
// +--------------+-------------+------------+------------------------+----------------------+
|
|
a_row < PseudoEntry1 , event4 , SubState3 ,&SubFsm2_::entry_action >,
|
|
_row < SubState2 , event6 , SubState1 >,
|
|
_row < SubState3 , event5 , PseudoExit1 >
|
|
// +--------------+-------------+------------+------------------------+----------------------+
|
|
> {};
|
|
// Replaces the default no-transition response.
|
|
template <class FSM,class Event>
|
|
void no_transition(Event const& , FSM&,int)
|
|
{
|
|
BOOST_FAIL("no_transition called!");
|
|
}
|
|
};
|
|
typedef Back<SubFsm2_, Policy> SubFsm2;
|
|
|
|
// the initial state of the player SM. Must be defined
|
|
typedef State1 initial_state;
|
|
|
|
// transition actions
|
|
// guard conditions
|
|
|
|
// Transition table for Fsm
|
|
struct transition_table : mpl::vector<
|
|
// Start Event Next Action Guard
|
|
// +---------------------+--------+-----------------------------------------------------+-------+--------+
|
|
_row < State1 , event1 , SubFsm2 >,
|
|
_row < State1 , event2 , typename SubFsm2::template direct<typename SubFsm2_::SubState2> >,
|
|
_row < State1 , event3 , mpl::vector<typename SubFsm2::template direct<typename SubFsm2_::SubState2>,
|
|
typename SubFsm2::template direct<typename SubFsm2_::SubState2b> > >,
|
|
_row < State1 , event4 , typename SubFsm2::template entry_pt
|
|
<typename SubFsm2_::PseudoEntry1> >,
|
|
// +---------------------+--------+-----------------------------------------------------+-------+--------+
|
|
_row < SubFsm2 , event1 , State1 >,
|
|
_row < typename SubFsm2::template exit_pt
|
|
<typename SubFsm2_::PseudoExit1>, event6 , State2 >
|
|
// +---------------------+--------+-----------------------------------------------------+-------+--------+
|
|
> {};
|
|
|
|
// Replaces the default no-transition response.
|
|
template <class FSM,class Event>
|
|
void no_transition(Event const& , FSM&,int )
|
|
{
|
|
BOOST_FAIL("no_transition called!");
|
|
}
|
|
// init counters
|
|
template <class Event,class FSM>
|
|
void on_entry(Event const&,FSM& fsm)
|
|
{
|
|
fsm.template get_state<Fsm_::State1&>().entry_counter=0;
|
|
fsm.template get_state<Fsm_::State1&>().exit_counter=0;
|
|
fsm.template get_state<Fsm_::State2&>().entry_counter=0;
|
|
fsm.template get_state<Fsm_::State2&>().exit_counter=0;
|
|
fsm.template get_state<Fsm_::SubFsm2&>().entry_counter=0;
|
|
fsm.template get_state<Fsm_::SubFsm2&>().exit_counter=0;
|
|
fsm.template get_state<Fsm_::SubFsm2&>().entry_action_counter=0;
|
|
fsm.template get_state<Fsm_::SubFsm2&>().template get_state<typename Fsm_::SubFsm2::SubState1&>().entry_counter=0;
|
|
fsm.template get_state<Fsm_::SubFsm2&>().template get_state<typename Fsm_::SubFsm2::SubState1&>().exit_counter=0;
|
|
fsm.template get_state<Fsm_::SubFsm2&>().template get_state<typename Fsm_::SubFsm2::SubState1b&>().entry_counter=0;
|
|
fsm.template get_state<Fsm_::SubFsm2&>().template get_state<typename Fsm_::SubFsm2::SubState1b&>().exit_counter=0;
|
|
fsm.template get_state<Fsm_::SubFsm2&>().template get_state<typename Fsm_::SubFsm2::SubState2&>().entry_counter=0;
|
|
fsm.template get_state<Fsm_::SubFsm2&>().template get_state<typename Fsm_::SubFsm2::SubState2&>().exit_counter=0;
|
|
fsm.template get_state<Fsm_::SubFsm2&>().template get_state<typename Fsm_::SubFsm2::SubState2b&>().entry_counter=0;
|
|
fsm.template get_state<Fsm_::SubFsm2&>().template get_state<typename Fsm_::SubFsm2::SubState2b&>().exit_counter=0;
|
|
fsm.template get_state<Fsm_::SubFsm2&>().template get_state<typename Fsm_::SubFsm2::SubState3&>().entry_counter=0;
|
|
fsm.template get_state<Fsm_::SubFsm2&>().template get_state<typename Fsm_::SubFsm2::SubState3&>().exit_counter=0;
|
|
fsm.template get_state<Fsm_::SubFsm2&>().template get_state<typename Fsm_::SubFsm2::PseudoEntry1&>().entry_counter=0;
|
|
fsm.template get_state<Fsm_::SubFsm2&>().template get_state<typename Fsm_::SubFsm2::PseudoEntry1&>().exit_counter=0;
|
|
fsm.template get_state<Fsm_::SubFsm2&>().template get_state<typename Fsm_::SubFsm2::template exit_pt<typename SubFsm2_::PseudoExit1>&>().entry_counter=0;
|
|
fsm.template get_state<Fsm_::SubFsm2&>().template get_state<typename Fsm_::SubFsm2::template exit_pt<typename SubFsm2_::PseudoExit1>&>().exit_counter=0;
|
|
|
|
}
|
|
};
|
|
typedef Back<Fsm_, Policy> Fsm;
|
|
};
|
|
|
|
typedef get_hierarchical_test_machines<hierarchical_state_machine> test_machines;
|
|
// static char const* const state_names[] = { "State1", "SubFsm2","State2" };
|
|
|
|
|
|
BOOST_AUTO_TEST_CASE_TEMPLATE( entries_test, test_machine, test_machines )
|
|
{
|
|
typename test_machine::Fsm p;
|
|
typedef typename test_machine::Fsm_ Fsm_;
|
|
|
|
p.start();
|
|
BOOST_CHECK_MESSAGE(p.template get_state<typename Fsm_::State1&>().entry_counter == 1,"State1 entry not called correctly");
|
|
|
|
p.process_event(event1());
|
|
p.process_event(event1());
|
|
BOOST_CHECK_MESSAGE(p.current_state()[0] == 0,"State1 should be active");
|
|
BOOST_CHECK_MESSAGE(p.template get_state<typename Fsm_::State1&>().exit_counter == 1,"State1 exit not called correctly");
|
|
BOOST_CHECK_MESSAGE(p.template get_state<typename Fsm_::State1&>().entry_counter == 2,"State1 entry not called correctly");
|
|
BOOST_CHECK_MESSAGE(p.template get_state<typename Fsm_::SubFsm2&>().exit_counter == 1,"SubFsm2 exit not called correctly");
|
|
BOOST_CHECK_MESSAGE(p.template get_state<typename Fsm_::SubFsm2&>().entry_counter == 1,"SubFsm2 entry not called correctly");
|
|
|
|
p.process_event(event2());
|
|
p.process_event(event6());
|
|
p.process_event(event1());
|
|
BOOST_CHECK_MESSAGE(p.current_state()[0] == 0,"State1 should be active");
|
|
BOOST_CHECK_MESSAGE(p.template get_state<typename Fsm_::State1&>().exit_counter == 2,"State1 exit not called correctly");
|
|
BOOST_CHECK_MESSAGE(p.template get_state<typename Fsm_::State1&>().entry_counter == 3,"State1 entry not called correctly");
|
|
BOOST_CHECK_MESSAGE(p.template get_state<typename Fsm_::SubFsm2&>().exit_counter == 2,"SubFsm2 exit not called correctly");
|
|
BOOST_CHECK_MESSAGE(p.template get_state<typename Fsm_::SubFsm2&>().entry_counter == 2,"SubFsm2 entry not called correctly");
|
|
BOOST_CHECK_MESSAGE(p.template get_state<typename Fsm_::SubFsm2&>().template get_state<typename Fsm_::SubFsm2_::SubState2&>().entry_counter == 1,
|
|
"SubFsm2::SubState2 entry not called correctly");
|
|
BOOST_CHECK_MESSAGE(p.template get_state<typename Fsm_::SubFsm2&>().template get_state<typename Fsm_::SubFsm2_::SubState2&>().exit_counter == 1,
|
|
"SubFsm2::SubState2 exit not called correctly");
|
|
BOOST_CHECK_MESSAGE(p.template get_state<typename Fsm_::SubFsm2&>().template get_state<typename Fsm_::SubFsm2_::SubState1&>().entry_counter == 2,
|
|
"SubFsm2::SubState1 entry not called correctly");
|
|
BOOST_CHECK_MESSAGE(p.template get_state<typename Fsm_::SubFsm2&>().template get_state<typename Fsm_::SubFsm2_::SubState1&>().exit_counter == 2,
|
|
"SubFsm2::SubState1 exit not called correctly");
|
|
|
|
p.process_event(event3());
|
|
p.process_event(event1());
|
|
BOOST_CHECK_MESSAGE(p.current_state()[0] == 0,"State1 should be active");
|
|
BOOST_CHECK_MESSAGE(p.template get_state<typename Fsm_::State1&>().exit_counter == 3,"State1 exit not called correctly");
|
|
BOOST_CHECK_MESSAGE(p.template get_state<typename Fsm_::State1&>().entry_counter == 4,"State1 entry not called correctly");
|
|
BOOST_CHECK_MESSAGE(p.template get_state<typename Fsm_::SubFsm2&>().exit_counter == 3,"SubFsm2 exit not called correctly");
|
|
BOOST_CHECK_MESSAGE(p.template get_state<typename Fsm_::SubFsm2&>().entry_counter == 3,"SubFsm2 entry not called correctly");
|
|
BOOST_CHECK_MESSAGE(p.template get_state<typename Fsm_::SubFsm2&>().template get_state<typename Fsm_::SubFsm2_::SubState2&>().entry_counter == 2,
|
|
"SubFsm2::SubState2 entry not called correctly");
|
|
BOOST_CHECK_MESSAGE(p.template get_state<typename Fsm_::SubFsm2&>().template get_state<typename Fsm_::SubFsm2_::SubState2&>().exit_counter == 2,
|
|
"SubFsm2::SubState2 exit not called correctly");
|
|
BOOST_CHECK_MESSAGE(p.template get_state<typename Fsm_::SubFsm2&>().template get_state<typename Fsm_::SubFsm2_::SubState2b&>().entry_counter == 1,
|
|
"SubFsm2::SubState2b entry not called correctly");
|
|
BOOST_CHECK_MESSAGE(p.template get_state<typename Fsm_::SubFsm2&>().template get_state<typename Fsm_::SubFsm2_::SubState2b&>().exit_counter == 1,
|
|
"SubFsm2::SubState2b exit not called correctly");
|
|
|
|
p.process_event(event4());
|
|
p.process_event(event5());
|
|
BOOST_CHECK_MESSAGE(p.current_state()[0] == 2,"State2 should be active");
|
|
BOOST_CHECK_MESSAGE(p.template get_state<typename Fsm_::State1&>().exit_counter == 4,"State1 exit not called correctly");
|
|
BOOST_CHECK_MESSAGE(p.template get_state<typename Fsm_::State2&>().entry_counter == 1,"State2 entry not called correctly");
|
|
BOOST_CHECK_MESSAGE(p.template get_state<typename Fsm_::SubFsm2&>().exit_counter == 4,"SubFsm2 exit not called correctly");
|
|
BOOST_CHECK_MESSAGE(p.template get_state<typename Fsm_::SubFsm2&>().entry_counter == 4,"SubFsm2 entry not called correctly");
|
|
BOOST_CHECK_MESSAGE(p.template get_state<typename Fsm_::SubFsm2&>().template get_state<typename Fsm_::SubFsm2_::PseudoEntry1&>().entry_counter == 1,
|
|
"SubFsm2::PseudoEntry1 entry not called correctly");
|
|
BOOST_CHECK_MESSAGE(p.template get_state<typename Fsm_::SubFsm2&>().template get_state<typename Fsm_::SubFsm2_::PseudoEntry1&>().exit_counter == 1,
|
|
"SubFsm2::PseudoEntry1 exit not called correctly");
|
|
BOOST_CHECK_MESSAGE(p.template get_state<typename Fsm_::SubFsm2&>().template get_state<typename Fsm_::SubFsm2_::SubState3&>().entry_counter == 1,
|
|
"SubFsm2::SubState3 entry not called correctly");
|
|
BOOST_CHECK_MESSAGE(p.template get_state<typename Fsm_::SubFsm2&>().template get_state<typename Fsm_::SubFsm2_::SubState3&>().exit_counter == 1,
|
|
"SubFsm2::SubState3 exit not called correctly");
|
|
BOOST_CHECK_MESSAGE(p.template get_state<typename Fsm_::SubFsm2&>().template get_state<typename Fsm_::SubFsm2::template exit_pt<typename Fsm_::SubFsm2_::PseudoExit1>&>().entry_counter == 1,
|
|
"SubFsm2::PseudoExit1 entry not called correctly");
|
|
BOOST_CHECK_MESSAGE(p.template get_state<typename Fsm_::SubFsm2&>().template get_state<typename Fsm_::SubFsm2::template exit_pt<typename Fsm_::SubFsm2_::PseudoExit1>&>().exit_counter == 1,
|
|
"SubFsm2::PseudoExit1 exit not called correctly");
|
|
BOOST_CHECK_MESSAGE(p.template get_state<typename Fsm_::SubFsm2&>().entry_action_counter == 1,"Action not called correctly");
|
|
|
|
}
|
|
}
|
|
|
|
using back0 = hierarchical_state_machine<boost::msm::back::state_machine, boost::msm::back::favor_compile_time>::Fsm;
|
|
using back1 = hierarchical_state_machine<boost::msm::back::state_machine, boost::msm::back::favor_compile_time>::Fsm_::SubFsm2;
|
|
BOOST_MSM_BACK_GENERATE_PROCESS_EVENT(back0);
|
|
BOOST_MSM_BACK_GENERATE_PROCESS_EVENT(back1);
|
|
|
|
using backmp11_0 = hierarchical_state_machine<boost::msm::backmp11::state_machine, boost::msm::backmp11::favor_compile_time>::Fsm;
|
|
using backmp11_1 = hierarchical_state_machine<boost::msm::backmp11::state_machine, boost::msm::backmp11::favor_compile_time>::Fsm_::SubFsm2;
|
|
BOOST_MSM_BACKMP11_GENERATE_DISPATCH_TABLE(backmp11_0);
|
|
BOOST_MSM_BACKMP11_GENERATE_DISPATCH_TABLE(backmp11_1); |