public virtual Differences VisitGotoCase(GotoCase gotoCase1, GotoCase gotoCase2){
Differences differences = new Differences(gotoCase1, gotoCase2);
if (gotoCase1 == null || gotoCase2 == null){
if (gotoCase1 != gotoCase2) differences.NumberOfDifferences++; else differences.NumberOfSimilarities++;
return differences;
}
GotoCase changes = (GotoCase)gotoCase2.Clone();
GotoCase deletions = (GotoCase)gotoCase2.Clone();
GotoCase insertions = (GotoCase)gotoCase2.Clone();
Differences diff = this.VisitExpression(gotoCase1.CaseLabel, gotoCase2.CaseLabel);
if (diff == null){Debug.Assert(false); return differences;}
changes.CaseLabel = diff.Changes as Identifier;
deletions.CaseLabel = diff.Deletions as Identifier;
insertions.CaseLabel = diff.Insertions as Identifier;
Debug.Assert(diff.Changes == changes.CaseLabel && diff.Deletions == deletions.CaseLabel && diff.Insertions == insertions.CaseLabel);
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 VisitGotoCase(GotoCase gotoCase)
{
if (gotoCase == null) return null;
return base.VisitGotoCase((GotoCase)gotoCase.Clone());
}