uMinded_FSM_1

#include <stdio.h>

struct StateImpl
{
  StateImpl(char const* n): name(n)
    { printf("StateImpl(char const* %s) \n", name); }

  char const* name;
};

struct Event
{
  Event(char const* e): name(e)
    { printf("Event(char const* %s) \n", name); }

  char const* name;
};

struct State;
struct StateNode
{
  StateNode(Event e, State const& s, StateNode const* n):
    event(e), destination(s), next(n)
      {
        printf(" StateNode(Event %s, State const& %s, StateNode const* %s) \n",e.name, 0, 0 );
      }

  Event event;
  State const& destination;
  StateNode const* next;
};

struct State
{
  State(char const* name):
    me(0), impl(name)
      { printf("StateNode const* = %s \n", me); }

  StateNode const* me;
  StateImpl impl;
};

struct Transition
{
  Transition(State& origin, Event e, State const& destination):
    node(e, destination, origin.me)
      { printf("Transition Impliments StateNode. See Above ^^ \n"); }

  StateNode node;
};

int main ( void )
{
  printf("Make some States: \n");
    State state1("S1"), state2("S2");
  printf("\n");

  printf("Make some Events: \n");
    Event KEY_UP("w");
    Event KEY_DOWN("s");
  printf("\n");

  printf("Make some Transitions: \n");
    Transition t0(state1, KEY_UP, state2);
    Transition t1(state2, KEY_DOWN, state1);
  printf("\n");

  return(0);
};