[antlr-interest] XPA astFactory.dupTree bug?
Oliver Zeigermann
oliver at zeigermann.de
Tue Aug 17 06:05:21 PDT 2004
Tell me what is missing in the XMLStartAST and I will add it. What would
be the meaning of an empty contructor for XMLStartAST?
Oliver
David Ryan wrote:
> I've started doing some rather nasty re-arranging of my XML data
> structures using antlr and XPA. This has involved expanding the tree
> by copying parts of a tree, and then pasting them back into multiple
> parts of the tree. One pass for collecting inputs, and second pass
> for paste.
>
> I've discovered that just re-inserting the same AST into multiple
> parts of the tree can end in infinite loops. I'm now trying to
> duplicate the AST trees as I put them back into the tree. The
> XMLStartAST does not have an empty constructor to support the
> astFactory.dupTree method.
>
> Is there another way to duplicate XMLStartAST trees? Is this the
> right way to go about expanding a tree?
>
> Thanks,
> David.
>
> PS Wish I could make the antlr workshop. Ashame the few thousand km
> makes it so difficult to get to. :) Any Antlarians going to oopsla?
> I'll probably make it there this year.
>
>
>
>
> Yahoo! Groups Links
>
>
>
>
>
>
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