From: why the lucky stiff <ruby-talk@...>
Date: 2006-07-21T03:27:22+09:00
Subject: Re: [ANN] sandbox 0.0.11 -- taking the i out of eval

On Fri, Jul 21, 2006 at 12:51:12AM +0900, Joshua Haberman wrote:
> I don't want to diss your work, since it is obviously a significant
> accomplishment.  But aren't these problems symptoms of the fact that the
> approach (swapping out global variables) is sort of a hack?  Wouldn't
> all these problems disappear if you did this the "right" way, by making
> these globals into members of a structure that get passed to every
> function (eg. make the parser re-entrant)?

You are welcome to diss it, I would encourage it and I hope to (fingers crossed)
one day be publicly, formally defamed.  I feel just like you, though.  I hope
this hack will go away one day.  That day will break all the C extensions, but,
as you say: mere mortals, right?

For the rest of my head-nodding, see struct sandkit in ext/sand_table/sand_table.c.

_why