Try something like:
(a)=> ((b)=>/*nothing*/ | a) I remember facing similar problem. I guess you can't use '~' in a syntactic predicate. From: [email protected] [mailto:[email protected]] On Behalf Of Naveen Chawla Sent: Monday, October 05, 2009 7:32 PM To: [email protected] Subject: [antlr-interest] How to do "not" in a syntactic predicate? If I do (a ~b)=> a meaning "take this alternative if you encounter an a when not followed by b" I get a syntax error: unexpected token b Is it the right syntax to use '~'? N --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "il-antlr-interest" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/il-antlr-interest?hl=en -~----------~----~----~----~------~----~------~--~---
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