From: Yukihiro Matsumoto <matz@...>
Date: 2004-09-20T21:38:52+09:00
Subject: Re: Ruby 1.9 needs bison?

Hi,

In message "Re: Ruby 1.9 needs bison?"
    on Mon, 20 Sep 2004 19:39:42 +0900, surrender_it@yahoo.it (gabriele renzi @ google) writes:

|But there are two things that I don't understand:
|First, what are the implications of having a reentrant parser ? 
|I mean, this was the only thing that was non reentrant, so this cange
|applies to ruby as a whole or was this just a change to make ripper
|happy?

Not it's just a beginning.  It's the first step to the reentrant
interpreter.

|Second, what does it meen that now ruby requires bison? I used to
|think that bison could generate standalone parsers, do we now need
|bison to build ruby, to use ruby, or does it meen that we're simply
|forgetting other yacc-like parser generators and focus on just using
|bison ?

CVS users require bison to build ruby.  The snapshot contains bison
generated parser.  You don't need bison to compile snapshot.

							matz.