public virtual Differences VisitMethodCall(MethodCall call1, MethodCall call2){
      Differences differences = new Differences(call1, call2);
      if (call1 == null || call2 == null){
        if (call1 != call2) differences.NumberOfDifferences++; else differences.NumberOfSimilarities++;
        return differences;
      }
      MethodCall changes = (MethodCall)call2.Clone();
      MethodCall deletions = (MethodCall)call2.Clone();
      MethodCall insertions = (MethodCall)call2.Clone();

      Differences diff = this.VisitExpression(call1.Callee, call2.Callee);
      if (diff == null){Debug.Assert(false); return differences;}
      changes.Callee = diff.Changes as Expression;
      deletions.Callee = diff.Deletions as Expression;
      insertions.Callee = diff.Insertions as Expression;
      Debug.Assert(diff.Changes == changes.Callee && diff.Deletions == deletions.Callee && diff.Insertions == insertions.Callee);
      differences.NumberOfDifferences += diff.NumberOfDifferences;
      differences.NumberOfSimilarities += diff.NumberOfSimilarities;

      if (call1.IsTailCall == call2.IsTailCall) differences.NumberOfSimilarities++; else differences.NumberOfDifferences++;

      ExpressionList exprChanges, exprDeletions, exprInsertions;
      diff = this.VisitExpressionList(call1.Operands, call2.Operands, out exprChanges, out exprDeletions, out exprInsertions);
      if (diff == null){Debug.Assert(false); return differences;}
      changes.Operands = exprChanges;
      deletions.Operands = exprDeletions;
      insertions.Operands = exprInsertions;
      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;
    }
示例#2
0
 public override Expression VisitMethodCall(MethodCall call)
 {
     if (call == null) return null;
     return base.VisitMethodCall((MethodCall)call.Clone());
 }