Re: %destructor feedback

[Joel E. Denny]

On Tue, 18 Oct 2005, Joel E. Denny wrote:

> > For bison, I believe the order of importance on this cleanup issue goes 
> > like
> > this:
> >
> > 1. document cleanup behavior in the manual
> > 2. make cleanup behavior consistent across YYABORT/YYERROR and all 
> > skeletons
> > (I guess this means _no_ auto cleanup)
> > 3. offer more cleanup flexibility (macros)
>
> I agree.
>
> I believe you and I are in agreement on how the first 2 points should be 
> resolved.  Would one of the veteran bison developers like to offer words of 
> wisdom?

Paul, I just looked through the ChangeLog.  I believe you committed the 
patch that made YYABORT and YYACCEPT invoke RHS destructors.

In this thread, I've pointed out several reasons why I think this is 
undesirable behavior.  At the very least, it's inconsistent with glr.c.

What do you think about our proposed alternatives?

Joel