Re: Are Google summer of code 2006 ideas still available?

[Akim Demaille]

Le 1 avr. 07 à 08:12, Joel E. Denny a écrit :

> On Sun, 1 Apr 2007, Akim Demaille wrote:
>
> > > I've often wished that Bison's syntactic and semantic analysis  
> > > phases were
> > > more fully separated.  However, this sounds like a major rewrite  
> > > of vital
> > > Bison internals.  If someone tackles this over the summer, I hope  
> > > we can
> > > find a way to maintain a stable version of Bison in parallel.
> >
> > IMO there is actually more value to get from this rewrite than
> > from %import itself: the latter is very reachable from the former.
> > And a clean AST will considerably ease many other improvements.
> > Not to mention that some of the bugs we hit would never have
> > existed in the first place.
>
> My comments had the wrong tone.

No no, I fully agreed :)  But I answered to the "other"
of your point: this is a lot of work, but even if %import
is not finished (nor even started), this is quite a win.

>   I completely agree with the idea and your
> comments above.  I too want an AST.  I just don't want to see this  
> part of
> Bison destabilized for an extended period.  If we can't find a  
> series of
> stable refactorings, perhaps we can find some temporary separation  
> similar
> to push.c and yacc.c.

We definitely should create a branch for that.

I wish we had a Subversion repository instead of CVS :(