No problem. Jim
> -----Original Message----- > From: [email protected] [mailto:antlr-interest- > [email protected]] On Behalf Of aryoo > Sent: Tuesday, August 17, 2010 1:55 PM > To: [email protected] > Cc: [email protected] > Subject: Re: [antlr-interest] advice on creating a grammar for a given DSL > example > > Dear Jim, > > I followed your recommendations, avoided the "I don't want delimiters in my > language" temptation, and created the grammar from scratch using > ANTLRWorks successfully. > Next steps for me: AST + StringTemplate output. > > Thanks a lot for your answer. It was exactly what I needed. > > Sincerely, > Arye. > > Remove your tokens section and place those keywords as real lexer rules > that > > are listed before the ID rule. > > Remove any 'literals' in your parser and make these real lexer rules > > and tokens. > > Change your ANY rule to just: ANY :. { issue error message; skip(); }; > > Use {skip();} rather than HIDDEN unless you need the whitespace later > > for some reason; > > > > Then you have to look at where you are putting your NEWLINEs in the > > grammar. > > It looks like you have too many specified and are expecting NEWLINE > > NEWLINE at some point. You should try skipping newlines and see how > > ambiguous your grammar is. If this is your own language, don't fall > > for the "I don't want delimiters in my language" myth as it makes > > giving out informative error messages nigh on impossible. > > > > But more than all this, you need to run your grammar in the ANTLR > > works debugger, which will allow you to trace out what is wrong with > > your grammar specification. > > > > Jim > > > > 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.
