On 11/16/07, Ryan Davis <ryand-ruby / zenspider.com> wrote:
>
> On Nov 16, 2007, at 07:27 , M. Edward (Ed) Borasky wrote:
>
> > 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"?
>
> there is no complete ruby parser based on antlr yet that I know of.
>
> treetop is not a ruby parser, it is a ruby parser generator (like
> antlr).

I just took a look at treetop as I hadn't heard of it before - I just
watched the screencast and all I can say is Wow, just Wow!

Take a look if you haven't:
http://www.pivotalblabs.com/articles/2007/09/15/treetop-1-0-1