private void AddDeepestOnceFormulas()
{
var alreadyKnownLabels = FinalStateFormulaLabels.ToArray();
var onceFormulaCollector = new CollectDeepestOnceFormulasWithCompilableOperandVisitor();
foreach (var formula in _formulasToCheck)
{
onceFormulaCollector.VisitNewTopLevelFormula(formula);
}
var deepestOnceFormulas = onceFormulaCollector.DeepestOnceFormulasWithCompilableOperand.ToArray();
if (deepestOnceFormulas.Length > 0)
{
var formulasToObserve = deepestOnceFormulas.Select(formula => formula.Operand).ToArray();
Func <ObserveFormulasModifier> observeFormulasModifier = () => new ObserveFormulasModifier(alreadyKnownLabels, formulasToObserve);
_transitionModifierGenerators.Add(observeFormulasModifier);
}
foreach (var formula in deepestOnceFormulas)
{
Assert.That(formula.Operator == UnaryOperator.Once, "operator of OnceFormula must be Once");
_finalStateFormulas.Add(formula);
_labelsOfKnownFormulas.Add(formula.Label);
}
}
public void AddTerminateEarlyFormula()
{
if (!_configuration.EnableEarlyTermination)
{
return;
}
if (_formulasToCheck.Count != 1)
{
return;
}
var terminateEarlyFormula = ExtractTerminateEarlyFromFormula(_formulasToCheck.First());
if (terminateEarlyFormula == null)
{
return;
}
NeedsStutteringState = true;
// This method also succeeds with Once formulas, when those Once formulas have been normalized (i.e. a observeFormulasModifier exists)
var terminateEarlyFunc = StateFormulaSetEvaluatorCompilationVisitor.Compile(FinalStateFormulaLabels.ToArray(), terminateEarlyFormula);
_transitionModifierGenerators.Add(() => new EarlyTerminationModifier(terminateEarlyFunc));
}