public virtual Differences VisitQueryYielder(QueryYielder yielder1, QueryYielder yielder2){
Differences differences = new Differences(yielder1, yielder2);
if (yielder1 == null || yielder2 == null){
if (yielder1 != yielder2) differences.NumberOfDifferences++; else differences.NumberOfSimilarities++;
return differences;
}
QueryYielder changes = (QueryYielder)yielder2.Clone();
QueryYielder deletions = (QueryYielder)yielder2.Clone();
QueryYielder insertions = (QueryYielder)yielder2.Clone();
// yielder1.Body;
// yielder1.Source;
// yielder1.State;
// yielder1.Target;
if (differences.NumberOfDifferences == 0){
differences.Changes = null;
differences.Deletions = null;
differences.Insertions = null;
}else{
differences.Changes = changes;
differences.Deletions = deletions;
differences.Insertions = insertions;
}
return differences;
}
public override Node VisitQueryYielder(QueryYielder yielder){
if (yielder == null) return null;
return base.VisitQueryYielder((QueryYielder)yielder.Clone());
}