turings-tarpit/scratchpad/fsmtest.cpp

#include <fmt/core.h>
#include "../fsm.hpp"

using namespace fmt;

enum class MyState {
  START, RUNNING, END
};

enum class MyEvent {
  STARTED, PUSH, QUIT
};

class MyFSM : DeadSimpleFSM<MyState, MyEvent> {
public:
  void event(MyEvent ev) override {
    switch(_state) {
      FSM_STATE(MyState, START, start, ev);
      FSM_STATE(MyState, RUNNING, push, ev);
      FSM_STATE(MyState, END, quit, ev);
    }
  }

  void start(MyEvent ev) {
    println("<<< START");
    state(MyState::RUNNING);
  }

  void push(MyEvent ev) {
    println("<<< RUN");
    state(MyState::RUNNING);
  }

  void quit(MyEvent ev) {
    println("<<< STOP");
    state(MyState::END);
  }
};

int main() {
  MyFSM fsm;

  fsm.event(MyEvent::STARTED);
  fsm.event(MyEvent::PUSH);
  fsm.event(MyEvent::PUSH);
  fsm.event(MyEvent::PUSH);
  fsm.event(MyEvent::QUIT);
}