Re: How to copy an InsnList?

Hi Michael,

I tried a little harder and it seems to work now:

  public static MethodNode copy(MethodNode method) {
    String[] exceptions = (String[]) method.exceptions.toArray(new 
String[method.exceptions.size()]);
    MethodNode result = new MethodNode(method.access, method.name, 
method.desc, method.signature, exceptions) {
      /**
       * Label remapping.
       * Old label -> new label.
       */
      private final Map<Label, Label> labels = new HashMap<Label, Label>();

      @Override
      protected LabelNode getLabelNode(Label label) {
        Label newLabel = labels.get(label);
        if (newLabel == null) {
          newLabel = new Label();
          labels.put(label, newLabel);
        }

        return super.getLabelNode(newLabel);
      }
    };
    method.accept(result);

    return result;
  }

I hope this one is correct... At least the copied method produces no error 
messages in the Analyzer anymore.

Thanks for the hint with XML. I will give it a try, when I do the tests for 
my byte code transfomer.

Markus

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