From: Glenn Smith <glenn.ruby@...>
Date: 2005-05-02T19:07:11+09:00
Subject: Re: Thinking of creating a small mini-language-interpreter using Ruby

Sounds like I need to craft a "Richard Stallman" style beard then!!


On 5/2/05, Lyndon Samson <lyndon.samson@gmail.com> wrote:
> On 5/2/05, Robert Klemme <bob.news@gmx.net> wrote:
> >
> > "Glenn Smith" <glenn.ruby@gmail.com> schrieb im Newsbeitrag
> > news:e09ac119050501122011ecce08@mail.gmail.com...
> > > Always something I've wanted to write - an interpreter of my own.  Now
> > > I'm not likely to produce the next 'Ruby', but the recent announcement
> > > of Fu's 'TAO', and other languages, make me wonder if I could write
> > > something similar.  Just for me, so to speak.  A bit of fun.
> > >
> > > I did look at the possibility of going down the traditional route of
> > > [F]Lex/Yacc[Bison] and 'C', but it would be nice to write it in Ruby.
> > > Alright, it would be one interpreted language interpreting another,
> > > but as I said, 'a bit of fun'.  That's if two small children and a
> > > scary wife allow me the time of course!!
> > >
> > > I see there are ruby-lex and ruby-yacc modules on RAA - anybody used
> > > these in anger and are they complete/good-enough?
> > >
> > > Has anybody done this kind of thing before?  Not being a) a genius, b)
> > > Matz, or c) the owner of a fine beard, can anybody recommend any good
> > > URL's/tutorials/perhaps even books?
> > >
> > > I could grow a beard of course...
> >
> > The beard might help - but OTOH how will your scary wife react to that?
> > Might turn the whole thing into a mission impossible...
> > ;-)
> >
> > I haven't done this myself just a silly idea: when you compile your
> > language X right into Ruby code, then X might not be that slow during
> > execution because you save yourself one level of interpretation.
> >
> Or even better, do like GCC and have switchable 'back-ends' that
> generate for different execution environments ( ruby, python, perl,
> java ) etc. :-)
> 
> > Kind regards
> >
> >    robert
> >
> >
> 
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> 
> 


-- 

All the best
Glenn
Aylesbury, UK