From: nornagon <nornagon@...>
Date: 2005-06-26T00:14:33+09:00
Subject: Re: Rockit

On 6/21/05, Mark Probert <probertm@acm.org> wrote:
> Hi ..
> 
>  On Friday 17 June 2005 18:49, nornagon wrote:
> > Hiya. I've been looking all over for a decent ruby parser/lexer
> > generator, and when I found rockit, I thought my search was over.
> >
> Depends on what you mean by decent.  There are a number of parser/lexers out
> there that do a reasonable job.  If you mean the ruby equivalent of antlr,
> then you are, currently out of luck.
> 
> Rockit needs some work for 1.8.  Robert Feldt is the owner and I am not sure
> of what he is up to these days.  Looks like an update is planned, but I have
> no idea of the when or where.
> 
> There are some other options, though I am not sure they mean "decent":
> 
>   racc -- a YACC compiler-compiler

Yeah, I've looked at racc. It's the next-best thing to rockit, and
it's what I'll use until rockit gets a good cleanup.

> 
>   Two versions of Coco/R (LL-1 parser-scanner), one from Ryan Davis in pure
>   Ruby and the other from me as a C extension (grammer and action in C,
>   produces a Ruby extension).

At last count, neither of those worked on my setup (iirc)

>   I am looking at updating my version to be an LL-k parser but that is a ways
>   away yet.
> 
> This doesn't really help with the Rockit question though ..
> 

Thanks anyway; it's good to see a reply! :)

I did send Robert an email very similar to this one a while ago
(months), but I have yet received no reply. I wonder if I even sent it
to the right address...

-- 
- nornagon