[antlr-interest] help on rewritting the tree

[antlr_bill]

can someone please help on this ?
i have an rule like this :

a:
 :   ID( ABC )? (DOT ID (ABC)? )*
;
how to rewrite it into a tree grammer ?
i am dont understand on how to make it repeatable ,
i wrote it like this :
->^(V
        (ID( ABC)?)
        ^(V ((DOT ID) (ABC)?)* )
    )
;
 V is am imaginary token



THANKS
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