| 1 | #include <iostream>
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| 2 | #include <boost/msm/back/state_machine.hpp>
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| 3 |
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| 4 | #include <boost/msm/front/state_machine_def.hpp>
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| 5 | #include <boost/msm/front/functor_row.hpp>
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| 6 | #include <boost/static_assert.hpp>
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| 7 |
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| 8 | namespace msm = boost::msm;
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| 9 | namespace msmf = boost::msm::front;
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| 10 | namespace mpl = boost::mpl;
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| 11 |
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| 12 |
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| 13 | namespace {
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| 14 |
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| 15 | // ----- Events
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| 16 | struct Event1 {};
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| 17 |
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| 18 | // ----- State machine
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| 19 | struct OuterSm_:msmf::state_machine_def<OuterSm_>
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| 20 | {
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| 21 | struct StateSub_:msmf::state_machine_def<StateSub_>
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| 22 | {
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| 23 | template <class Event,class Fsm>
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| 24 | void on_entry(Event const&, Fsm&) const {
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| 25 | std::cout << "StateSub_::on_entry()" << std::endl;
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| 26 | }
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| 27 |
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| 28 | template <class Event,class Fsm>
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| 29 | void on_exit(Event const&, Fsm&) const {
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| 30 | std::cout << "StateSub_::on_exit()" << std::endl;
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| 31 | }
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| 32 |
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| 33 | struct SubState1:msmf::state<>
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| 34 | {
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| 35 | template <class Event,class Fsm>
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| 36 | void on_entry(Event const&, Fsm&) const {
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| 37 | std::cout << "SubState1::on_entry()" << std::endl;
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| 38 | }
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| 39 |
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| 40 | template <class Event,class Fsm>
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| 41 | void on_exit(Event const&, Fsm&) const {
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| 42 | std::cout << "SubState1::on_exit()" << std::endl;
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| 43 | }
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| 44 | };
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| 45 |
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| 46 | struct Exit1:msmf::exit_pseudo_state<msmf::none> {};
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| 47 |
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| 48 | // Set initial state
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| 49 | typedef SubState1 initial_state;
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| 50 | // Transition table
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| 51 | struct transition_table:mpl::vector<
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| 52 | // Start Event Next Action Guard
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| 53 | msmf::Row < SubState1, Event1, Exit1, msmf::none, msmf::none >
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| 54 | > {};
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| 55 | };
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| 56 | typedef msm::back::state_machine<StateSub_> StateSub;
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| 57 |
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| 58 | struct End: msmf::terminate_state<> {};
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| 59 |
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| 60 | // Set initial state
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| 61 | typedef StateSub initial_state;
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| 62 | // Transition table
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| 63 | struct transition_table:mpl::vector<
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| 64 | // Start Event Next Action Guard
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| 65 | msmf::Row < StateSub::exit_pt
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| 66 | <StateSub_::Exit1>, msmf::none, End, msmf::none, msmf::none >
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| 67 | > {};
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| 68 | };
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| 69 |
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| 70 | // Pick a back-end
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| 71 | typedef msm::back::state_machine<OuterSm_> Osm;
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| 72 |
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| 73 | void test()
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| 74 | {
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| 75 | Osm osm;
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| 76 | osm.start();
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| 77 |
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| 78 | std::cout << "> Send Event1()" << std::endl;
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| 79 | osm.process_event(Event1());
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| 80 | }
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| 81 | }
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| 82 |
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| 83 | int main()
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| 84 | {
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| 85 | test();
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| 86 | return 0;
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| 87 | }
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| 88 |
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