public virtual Differences VisitQueryFilter(QueryFilter filter1, QueryFilter filter2){
Differences differences = new Differences(filter1, filter2);
if (filter1 == null || filter2 == null){
if (filter1 != filter2) differences.NumberOfDifferences++; else differences.NumberOfSimilarities++;
return differences;
}
QueryFilter changes = (QueryFilter)filter2.Clone();
QueryFilter deletions = (QueryFilter)filter2.Clone();
QueryFilter insertions = (QueryFilter)filter2.Clone();
// filter1.Context;
// filter1.Expression;
// filter1.Source;
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 VisitQueryFilter(QueryFilter filter){
if (filter == null) return null;
return base.VisitQueryFilter((QueryFilter)filter.Clone());
}