Charles Oliver Nutter wrote:
> What's your goal with this? At the moment, I don't like that there's 
> only two "mostly correct" parsers in existence: Ruby's Bison-based 
> parser and JRuby's Jay-based parser. They're both pretty painful to work 
> with and evolve.

Isn't there also an ANTLR parser? What about Nathan Sobo's "Treetop"?