public override MultiValue VisitFieldReference(IFieldReferenceOperation fieldRef, StateValue state)
{
var field = fieldRef.Field;
switch (field.Name)
{
case "EmptyTypes" when field.ContainingType.IsTypeOf("System", "Type"): {
return(ArrayValue.Create(0));
}
case "Empty" when field.ContainingType.IsTypeOf("System", "String"): {
return(new KnownStringValue(string.Empty));
}
}
if (TryGetConstantValue(fieldRef, out var constValue))
{
return(constValue);
}
if (fieldRef.Field.Type.IsTypeInterestingForDataflow())
{
return(new FieldValue(fieldRef.Field));
}
return(TopValue);
}