void StateCondition(out ICondition cond)
{
string varname; Variable v; StateCondition scond = null; IdList pre, post;
cond = null;
Identifier(out varname);
v = SM.GetVariable(varname);
if (la.kind == 29) {
Get();
scond = new StateCondition(v);
StateIdentifierList(out pre);
scond.SetPreStates(pre);
if (la.kind == 27) {
Get();
StateIdentifierList(out post);
scond.SetPostStates(post);
}
Expect(30);
}
cond = (ICondition)scond ?? new BooleanCondition(v);
}
public void SMG_03_StateCondition()
{
TraceFlags.ShowDepencencyAnalysis = true;
var sm = new StateMachine();
var stype = new SimpleStateType("State");
stype.AddStateNames(new[] { "A", "B", "C" });
var s = sm.AddVariable("s", stype);
var t = sm.AddVariable("t", stype);
var c = new StateCondition(s);
c.SetPreStates("A,B");
c.SetPostStates("C");
var e1 = sm.AddEvent("e1");
var trigger = new Trigger(e1, c);
sm.AddTrigger(trigger);
var gc1 = new StateCondition(s);
gc1.SetPreStates("A");
// gc1.SetPostStates("C");
sm.AddGuard(gc1, GuardType.LEAVE, "g1");
var gc2 = new StateCondition(s);
gc2.SetPreStates("C");
sm.AddGuard(gc2, GuardType.ENTER, "g2");
{
var c1 = new StateCondition(t);
c1.SetPreStates("A");
var c2 = new StateCondition(s);
c2.SetPreStates("A");
}
sm.Calculate();
// sm.Dump();
var e = sm.Events.First();
Assert.AreEqual("e1", e.Name);
Assert.AreEqual(2, e.Triggers.Count);
var t1 = e.Triggers[0];
var t2 = e.Triggers[1];
Assert.AreEqual(2, t1.Guards.Count);
Assert.AreEqual(1, t2.Guards.Count);
Assert.IsTrue(t1.Guards.Any(g => g.Name == "g1"));
Assert.IsTrue(t1.Guards.Any(g => g.Name == "g2"));
Assert.IsTrue(t2.Guards.Any(g => g.Name == "g2"));
}
