[antlr-interest] v4 "Honey Badger" teaser
parrt at cs.usfca.edu
Thu Dec 29 16:47:05 PST 2011
Could be interesting… I was kind of hoping to save those `…` for future use. but yes making case insensitivity easier it would be nice.
honey badger is crazy
On Dec 29, 2011, at 4:16 PM, Jim Idle wrote:
> What about something like:
> EDGE: `EDGE` ; // Backtick is case insensitive
>> -----Original Message-----
>> From: antlr-interest-bounces at antlr.org [mailto:antlr-interest-
>> bounces at antlr.org] On Behalf Of Terence Parr
>> Sent: Thursday, December 29, 2011 4:09 PM
>> To: antlr-interest Interest
>> Subject: Re: [antlr-interest] v4 "Honey Badger" teaser
>> Hi Kyle, I've also implemented the shorthand  for lexers. :) woot!
>> // "The keywords node, edge, graph, digraph, subgraph, and strict are
>> // case-independent"
>> STRICT : [Ss][Tt][Rr][Ii][Cc][Tt] ;
>> GRAPH : [Gg][Rr][Aa][Pp][Hh] ;
>> DIGRAPH : [Dd][Ii][Gg][Rr][Aa][Pp][Hh] ;
>> NODE : [Nn][Oo][Dd][Ee] ;
>> EDGE : [Ee][Dd][Gg][Ee] ;
>> SUBGRAPH : [Ss][Uu][Bb][Gg][Rr][Aa][Pp][Hh] ;
>> On Dec 29, 2011, at 3:58 PM, Kyle Ferrio wrote:
>>> Excellent. I always thought that it should be possible to support
>>> left-recursion with LL(*) but I did not presume that it would be
>>> efficient or easy or wise. Since I tend to think left-recursively a
>>> lot, I am a happy honey badger, and I parse whatever I want!
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