Gated semantic predicates. Jim
> -----Original Message----- > From: [email protected] [mailto:antlr-interest- > [email protected]] On Behalf Of Jose Juan Tapia > Sent: Tuesday, October 18, 2011 4:06 PM > To: [email protected] > Subject: [antlr-interest] Conditional grammar > > How can make it so that certain parts of my grammar are only executed > when a certain condition is met. For example, > > method1: > (myCondtion? INT) STRING; > > > method1 would require that INT STRING if myCondition evaluates to true. > And only STRING otherwise. I know I've seen this somewhere in the ANTLR > reference but for the life of me I can't find it again. And all my > google searches through the newsgroup leads to conditional tree rewrite > or something similar. > > > -- > José Juan Tapia Valenzuela > Research Associate > University of Pittsburgh > 3076.1 Biological Sciences Tower 3 > Pittsburgh, Pa 15260 > > List: http://www.antlr.org/mailman/listinfo/antlr-interest > Unsubscribe: http://www.antlr.org/mailman/options/antlr-interest/your- > email-address List: http://www.antlr.org/mailman/listinfo/antlr-interest Unsubscribe: http://www.antlr.org/mailman/options/antlr-interest/your-email-address -- 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.
