[squeak-dev] The Trunk: Collections-dtl.548.mcz

David T. Lewis lewis at mail.msen.com
Sat Dec 14 20:23:25 UTC 2013


On Sat, Dec 14, 2013 at 03:10:32PM -0500, Colin Putney wrote:
> On Fri, Dec 13, 2013 at 11:06 AM, Frank Shearar <frank.shearar at gmail.com>wrote:
> 
> (a) The emergency evaluator's there _for good reason_.
> > (b) We HAVE two UI frameworks right now. They're part of the standard
> > image.
> > (c) "Stripped" 4.5 base images do not have ST80, so this code is broken.
> > (d) To fix it _requires_ two separate UI implementations because of point
> > (b).
> >
> 
> I thought the point of the emergency evaluator was that it the fewest
> dependencies possible. Since it scribbles directly on the Display, it
> should work independently of any UI, and thus be useful when the UI is
> broken.
> 
> If the EE currently depends on MVC, then we remove that dependency, rather
> than just generalize the dependency to MVC-or-Morphic. We could either
> rewrite the bit that depends on MVC, or move the functionality that it does
> depend on out of MVC and into a lower-level part of the system.

Exactly right.

I have a working implementation right now, please give me a day or so to
play around with it.

Whatever I post can go away if someone gets around to unifying NewParagraph
with Paragraph (this is what Juan did in Cuis, and I am borrowing his code
shamelessly).

Dave



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