/// <summary>
/// Visits the <paramref name="formula." />
/// </summary>
public override void VisitUnaryFormula(UnaryFormula formula)
{
if (formula.Operator == UnaryOperator.All || formula.Operator == UnaryOperator.Exists)
{
_containsInvalidOperators = true;
}
else
{
Visit(formula.Operand);
}
}
/// <summary>
/// Visits the <paramref name="formula." />
/// </summary>
public override void VisitUnaryFormula(UnaryFormula formula)
{
switch (formula.Operator)
{
case UnaryOperator.Not:
Visit(formula.Operand);
_expression = Expression.Not(_expression);
break;
default:
throw new InvalidOperationException("Only state formulas can be evaluated.");
}
}
public bool IsCompilable; //information propagated from children to parents
/// <summary>
/// Visits the <paramref name="formula." />
/// </summary>
public override void VisitUnaryFormula(UnaryFormula formula)
{
switch (formula.Operator)
{
case UnaryOperator.Not:
Visit(formula.Operand);
break;
default:
// formula itself is not compilable, so add child if possible
Visit(formula.Operand);
if (IsCompilable)
{
MaximalCompilableFormulas.Add(formula.Operand);
}
IsCompilable = false;
break;
}
}
/// <summary>
/// Visits the <paramref name="formula." />
/// </summary>
public override void VisitUnaryFormula(UnaryFormula formula)
{
_builder.Append("(");
switch (formula.Operator)
{
case UnaryOperator.Next:
_builder.Append(" X ");
break;
case UnaryOperator.Finally:
_builder.Append(" F ");
break;
case UnaryOperator.Globally:
_builder.Append(" G ");
break;
case UnaryOperator.Not:
_builder.Append(" ! ");
break;
case UnaryOperator.All:
_builder.Append(" A ");
break;
case UnaryOperator.Exists:
_builder.Append(" E ");
break;
case UnaryOperator.Once:
_builder.Append(" Once ");
break;
default:
Assert.NotReached($"Unknown or unsupported unary operator '{formula.Operator}'.");
break;
}
Visit(formula.Operand);
_builder.Append(")");
}
/// <summary>
/// Visits the <paramref name="formula." />
/// </summary>
public override void VisitUnaryFormula(UnaryFormula formula)
{
var referenceFormula = _referenceFormula as UnaryFormula;
if (referenceFormula == null)
{
IsEqual = false;
}
else
{
if (formula.Operator != referenceFormula.Operator)
{
IsEqual = false;
}
else
{
_referenceFormula = referenceFormula.Operand;
Visit(formula.Operand);
}
}
}
/// <summary>
/// Visits the <paramref name="formula." />
/// </summary>
public override void VisitUnaryFormula(UnaryFormula formula)
{
IsFormulaReturningBoolValue = true;
}
/// <summary>
/// Visits the <paramref name="formula." />
/// </summary>
public override void VisitUnaryFormula(UnaryFormula formula)
{
Visit(formula.Operand);
}
/// <summary>
/// Visits the <paramref name="formula." />
/// </summary>
public override void VisitUnaryFormula(UnaryFormula formula)
{
IsReturningRewardResult = false;
}
/// <summary>
/// Visits the <paramref name="formula." />
/// </summary>
public override void VisitUnaryFormula(UnaryFormula formula)
{
Visit(formula.Operand);
CurrentFormula = new UnaryFormula(CurrentFormula, formula.Operator);
}
