public virtual Differences VisitLabeledStatement(LabeledStatement lStatement1, LabeledStatement lStatement2){
Differences differences = new Differences(lStatement1, lStatement2);
if (lStatement1 == null || lStatement2 == null){
if (lStatement1 != lStatement2) differences.NumberOfDifferences++; else differences.NumberOfSimilarities++;
return differences;
}
LabeledStatement changes = (LabeledStatement)lStatement2.Clone();
LabeledStatement deletions = (LabeledStatement)lStatement2.Clone();
LabeledStatement insertions = (LabeledStatement)lStatement2.Clone();
Differences diff = this.VisitIdentifier(lStatement1.Label, lStatement2.Label);
if (diff == null){Debug.Assert(false); return differences;}
changes.Label = diff.Changes as Identifier;
deletions.Label = diff.Deletions as Identifier;
insertions.Label = diff.Insertions as Identifier;
Debug.Assert(diff.Changes == changes.Label && diff.Deletions == deletions.Label && diff.Insertions == insertions.Label);
differences.NumberOfDifferences += diff.NumberOfDifferences;
differences.NumberOfSimilarities += diff.NumberOfSimilarities;
diff = this.VisitStatement(lStatement1.Statement, lStatement2.Statement);
if (diff == null){Debug.Assert(false); return differences;}
changes.Statement = diff.Changes as Statement;
deletions.Statement = diff.Deletions as Statement;
insertions.Statement = diff.Insertions as Statement;
Debug.Assert(diff.Changes == changes.Statement && diff.Deletions == deletions.Statement && diff.Insertions == insertions.Statement);
differences.NumberOfDifferences += diff.NumberOfDifferences;
differences.NumberOfSimilarities += diff.NumberOfSimilarities;
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 Statement VisitLabeledStatement(LabeledStatement lStatement)
{
if (lStatement == null) return null;
return base.VisitLabeledStatement((LabeledStatement)lStatement.Clone());
}
