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> -----Original Message----- > From: [email protected] [mailto:antlr-interest- > [email protected]] On Behalf Of Victor Giordano > Sent: Tuesday, August 10, 2010 2:17 PM > To: [email protected] > Subject: [antlr-interest] Doubt About using custom classes from returing > values > > Hi There!! Me Again!. > I have another simple cuestion (i hope the answer be simple too!). > > So if a wanna use rules that return values but custom types values, like, in > java, objects instances from custom classes. > Example: > > streetFightRule returns [MyHappyClass MyReturnObj] : > TOKEN 'VS' TORYU > { > MyReturnObj = new MyHappyClass (TOKEN,TORYU); }; > > How i configure this? With my working proyect.. I am a huge fan of > netbeans.. by the way, if you know a way of integrating all in one tell me > please!. > > Well that it's all!!. > Thankssss again!!. > Cya. > > > El 10/08/2010 05:31 p.m., Victor Giordano escribió: > > Thanks Junkman!!! But it's still doesn't work... :(. > > I have another example: > > > > rule: TOKEN1? TOKEN2 -> ^(TOKEN1 TOKEN2) Works when token1 actually > > exists, but when no.. :( ugly things happen.. > > > > Well, thanks for advance again!!. > > Cya. > > > > > > > > El 10/08/2010 05:00 p.m., Junkman escribió: > >> Hi Victor, > >> > >> Victor Giordano wrote: > >>> Hi, i am a newbie. Trying to figure out how to work with AST tree > >>> and > >>> > >>> ... > >>> > >>> butttttttt if i want to use rewrite rules... how do i thread the > >>> repetion EBNF operator like * or +. > >>> > >>> expr : term (('+'|'-') term)* -> term ^(('+'|'-') term)* ; > >>> > >> > >> try this: > >> > >> expr: ( term -> term ) > >> ( ( '+' | '-' ) term -> ^( ( '+' | '-' ) $expr term ) )* ; > >> > >> > >> Not sure if the terms need to be distinguished with labels. > >> > >> The Antlr reference book describes the use of rewrite rule inside > >> subrule in more detail. > >> > >> J > >> > > > > > > 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 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.
