/// <summary>
/// Provides the possible references types for this expression (used in semantic analysis)
/// </summary>
/// <param name="instance">the reference instance on which this element should analysed</param>
/// <paraparam name="expectation">Indicates the kind of element we are looking for</paraparam>
/// <param name="last">indicates that this is the last element in a dereference chain</param>
/// <returns></returns>
public override ReturnValue getReferenceTypes(Utils.INamable instance, Filter.AcceptableChoice expectation, bool last)
{
ReturnValue retVal = ReturnValue.Empty;
if (Term != null)
{
retVal = Term.getReferenceTypes(instance, expectation, last);
}
else
{
if (UnaryOp == null)
{
retVal = Expression.getReferenceTypes(instance, expectation, true);
}
}
return(retVal);
}
/// <summary>
/// Provides the possible references types for this expression (used in semantic analysis)
/// </summary>
/// <param name="instance">the reference instance on which this element should analysed</param>
/// <paraparam name="expectation">Indicates the kind of element we are looking for</paraparam>
/// <param name="last">indicates that this is the last element in a dereference chain</param>
/// <returns></returns>
public ReturnValue getReferenceTypes(Utils.INamable instance, Filter.AcceptableChoice expectation, bool last)
{
ReturnValue retVal = null;
if (Designator != null)
{
retVal = new ReturnValue();
foreach (ReturnValueElement element in Designator.getReferences(instance, expectation, last).Values)
{
if (element.Value is Types.Type)
{
retVal.Add(element.Value);
}
}
}
else if (LiteralValue != null)
{
retVal = LiteralValue.getReferenceTypes(instance, expectation, true);
}
return(retVal);
}