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Re: experimental features in Bison 2.3a+

From: Joel E. Denny
Subject: Re: experimental features in Bison 2.3a+
Date: Sat, 2 Dec 2006 16:07:25 -0500 (EST)

On Sat, 2 Dec 2006, Hans Aberg wrote:

> On 2 Dec 2006, at 21:40, Joel E. Denny wrote:
> > > > > Is this right? In 2.3a, there is %require that ensures Bison version,
> > > > > but
> > > > > no
> > > > > %requires inserting code. ANd %define can be used to insert code.
> > > > 
> > > > Right.
> > > 
> > > Right what?
> > 
> > Everything you and I said is right.
> Your entering the realms of linguistic cryptology causes problems for

I don't know for sure what that means.  My best guess is that you think I 
was trying to confuse you.  In reality, I thought I was answering your 
(what appeared to be) very simple question, but I guess not.

>, as I
> wanted to give a principle as to why macro for code placement and other macro
> should not be mixed. Akim was earlier opposed to a %code for code placement,
> instead putting it into %define. From what you say, %code has another meaning,
> and %requires is used to place code, and I cannot immediately check what they
> actually do. Deadlock.

I just made a post to help-bison that describes these directives.  Maybe 
that'll help.  In the future, if making a local checkout of CVS Bison is 
not possible for you, you can always browse it online at Savannah.  I just 
assumed you knew that.

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