[racket] Racket on Racket?

  On 09/22/2010 02:58 PM, Grant Rettke wrote:
> On Wed, Sep 22, 2010 at 1:17 PM, Shriram Krishnamurthi<sk at cs.brown.edu>  wrote:
>> There is -- that's the Honu language.  This is a very ambitious syntax
>> design built entirely on top of Racket, with infix and what not, with
>> the added benefit that you ought to be able to embed Honu expressions
>> (h-expressions) inside Racket programs.
>>
>> (I should not say much to avoid misleading readers, because to me Honu
>> has always been two things: a *syntax* experiment and a *semantics*
>> experiment.  I don't know how much either or both of those is still
>> true.)
> Has anyone done Racket with a Ruby syntax or something to that effect?
>
> I think Jon Rafkind played around with Ruby on Racket, or a Ruby syntax.
Yea I put up what I currently have on github. I started an interpreter 
but it could only do some very basic things.

http://github.com/kazzmir/Pegs

Ruby is mildly annoying to implement because you can modify virtually 
everything in the language (as in overriding existing classes' 
implementations).