예제 #1
0
    public virtual Differences VisitGoto(Goto goto1, Goto goto2){
      Differences differences = new Differences(goto1, goto2);
      if (goto1 == null || goto2 == null){
        if (goto1 != goto2) differences.NumberOfDifferences++; else differences.NumberOfSimilarities++;
        return differences;
      }
      Goto changes = (Goto)goto2.Clone();
      Goto deletions = (Goto)goto2.Clone();
      Goto insertions = (Goto)goto2.Clone();

      Differences diff = this.VisitIdentifier(goto1.TargetLabel, goto2.TargetLabel);
      if (diff == null){Debug.Assert(false); return differences;}
      changes.TargetLabel = diff.Changes as Identifier;
      deletions.TargetLabel = diff.Deletions as Identifier;
      insertions.TargetLabel = diff.Insertions as Identifier;
      Debug.Assert(diff.Changes == changes.TargetLabel && diff.Deletions == deletions.TargetLabel && diff.Insertions == insertions.TargetLabel);
      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;
    }
예제 #2
0
 public override Statement VisitGoto(Goto Goto)
 {
     if (Goto == null) return null;
     return base.VisitGoto((Goto)Goto.Clone());
 }