Re: [Cardinal-dev] There Is No Wheel

[Phil Tomson]

On Wed, 20 Nov 2002, Sean Chittenden wrote:

> > > At this point I'm thinking that Ruth probably offers the best near-term
> > > solution.  Since it essentially uses Matz's parse.y it's compliant.
> > > We can get an AST out of it.  From the AST we can produce PIR which can be
> > > fed into imcc (at least that's how I understand that it should be done).
> >
> > The announcement of the current version
> > (http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/33555)
> > describes the parser as "painfully incomplete".
> >
> > Does _ANYONE_ (besides Matz in the ruby source) have a parser that can
> > reliably take ruby code and return an AST?  I don't want to reinvent the
> > wheel, but it's starting to look like there is no wheel.
>
> http://www.pragmaticprogrammer.com/ruby/downloads/files/nodeDump-0.1.7.tgz
>

nodeDump prints out a representation of the internal parsetree for a Ruby
program, but as far as I can tell, it doesn't return an AST that can be
walked from within Ruby.

Phil