[antlr-interest] About tree duplication ?

[Mathieu Clabaut]

On 17/11/05, Bryan Ewbank <ewbank at gmail.com> wrote:
> > > Another way that is closer, perhaps, to what you are wanting,
> > > is to write a production that duplicates a node (works only
> > > with buildAST=true).
> A production like this will generate an exactly duplicate of a
> tree....
>
>         // duplicate tree rooted at current node
>         duptree: #( . ( duptree )* );

 Mhhh, I may be dumb, but I do not understand the rule. What does the
dot stand for ?

Thank you for your help.

-mathieu

--
____________http://www.gnu.org/philosophy/no-word-attachments.fr.html
Mathieu CLABAUT                         mailto:mathieu.clabaut at gmail.com
           F2F5 442F F2AC E1D5 9D31  3EFC 842A BC4A 123B 9A65