On Sun, Jun 6, 2010 at 6:49 PM, Loring Craymer <[email protected]> wrote: > You can, of course, do > > COMMENT : '\n' 'C' (~'\n')+ ; > > NEWLINE: '\n' ; > > (the ordering matters for ANTLR 3's DFA construction), but the approach > Brodie suggested is the common idiom since it costs less in terms of > performance and does not depend on the quirks of ANTLR DFA construction. > "Start of line" is a semantic notion, whereas '\n' 'C' specifies syntax.
Thanks. How would you handle the case where the very first line in the file is a comment line? That is, there's no preceding newline sequence. 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.
