From: "Luke A. Kanies" <luke@...>
Date: 2003-11-09T03:41:33+09:00
Subject: Re: rlex and ryacc

On Fri, 7 Nov 2003, Jim Freeze wrote:

> I have used racc successfully on a project and did not have a problem
> with speed. Howver, there are ways to speed up racc when needed.
> Also, you could write your parser in C (IIRC, YAML started out in racc and
> went to C. Ask Why.) I am no expert, but I can probably get you going
> if you choose racc.

Okay, I'm trying to use that, and I can't even get that far.  What did you
use for a lexer?  rlex seems to be giving me no end of problems.  There's
the inconsistency between linux and solaris, and now I'm finding that
although I get a valid Lexer.rb on solaris, it does not define the
necessary constants, so it obviously doesn't work.

And when I rewrite my token definitions just to print and not return
anything, I get an infinite loop, because apparently the lexer isn't
actually consuming the text or something.

> There is also rbison, but I am not familar with the differences between
> it and racc, although I think it offers roughly the same features as
> racc.

I never even found this.  If racc doesn't work out, I'll look at it.

> And, rockit is being re-written in C and should be released now, but I
> haven't followed its progress.

The web site doesn't have releases more recent than 2001, so I don't think
anything's really available.

Racc seems fine, now if I could just find a lexer.

Thanks,
Luke

-- 
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and captain of your soul.