[antlr-interest] heirarchical grammar
John D. Mitchell
johnm-antlr at non.net
Fri Apr 9 07:10:35 PDT 2004
>>>>> "amaresh" == amaresh bikki <amaresh_bikki at yahoo.com> writes:
[...]
> The lines within PERSON can be in any order and can either be present or
> only appaear once. Let me know if anyone can give headsup on this. The
> problem I am facing is how to grammarize the non- ordering part of it.
Look in the documentation and example grammars for the optional construct
and the "or" construct. For the exactly once part you can do that checking
in a tree grammar or via side-effects with semantic predicates.
Have fun,
John
Yahoo! Groups Links
<*> To visit your group on the web, go to:
http://groups.yahoo.com/group/antlr-interest/
<*> To unsubscribe from this group, send an email to:
antlr-interest-unsubscribe at yahoogroups.com
<*> Your use of Yahoo! Groups is subject to:
http://docs.yahoo.com/info/terms/
More information about the antlr-interest
mailing list