I get the exact same error when executing the script, I am running this on
Pharo 5 (50760) btw.
On Thu, Aug 11, 2016 at 3:15 PM, Mark Rizun <mri...@gmail.com> wrote:
> Hi Peter,
>
> I tried to perform this transformation with RewriteTool and got the same
> DNU.
>
>
>> However when I tried to execute it I was met with DNU
>> OrderedCollection>>parent:
>>
>> It seems that the @first/@second part are not matched properly.
>>
>
> Actually they are matched properly, because if you try to put in
> transformation part, for example, {``@first.``@second} everything works
> fine.
>
>
>> Any way to fix this? Or am I doing it wrong?
>>
>
> I believe you are doing everything just fine. However, it is definately
> the problem of RBParseTreeRewriter or something related to it.
> Try to execute following code in playground and you will get the same DNU:
>
> | rewriter |
> rewriter := RBParseTreeRewriter new replace: '| base |
> base := {(#Department
> ->
> {``@first.
> ``@second})}' with: '| base |
> base := {#Department -> (Array with: ``@first with: ``@second)}'.
>
> (rewriter executeTree: (RBParser parseRewriteExpression: '| base |
> base := {(#Department
> ->
> {(1 @ 255).
> (Color lightMagenta)})}'))
> ifTrue: [ rewriter tree asString inspect ].
>
> This code does exactly the same that RewriteTool should do when you put
> all the parts into it.
> Thus, I think, it is not a problem with the tool.
>
> Cheers,
> Mark
>
>
