First class instance variables will bring a lot to the system:
foundation for a lot of innovation
- relationships support
- meta description.
- bitfields description
...
Now we should really work to get from the prototype to a fully robust and
tested version.
Stef
> Thanks Camilo - I've tried your image with the latest CogVM for Mac and it's
> usable.
>
> I understand this is work in progress, are you planning to change
> Object>>instVarAt: with a new primitive? or will that be handled on the image
> side?
>
> Apart from the change in the class declaration, do you think that any of the
> existing code will have to be changed?
>
> What's the biggest advantage of having slots? (and will we also have slots
> for temp vars?)
>
> Object subclass: #Rectangle
> layout: PointerLayout
> slots: {
> #origin => Slot.
> #corner => Slot.
> }
> classSlots: {}
> globals: ''
> category: #'Graphics-Primitives'
>
> Display boundingBox instVarAt: #origin
>
>
> On 1 May 2012 09:51, Camillo Bruni <[email protected]> wrote:
> and the working protoype (in 1.3 + Helvetia) is avail here:
>
> http://dl.dropbox.com/u/18184943/SlotImage.zip
>
> make sure to run the image in an older vm (squeak 5.XX)
>
> best
> cami
>
> On 2012-04-30, at 22:59, Mariano Martinez Peck wrote:
>
> > All I can do is to recommend you to read this paper:
> > http://rmod.lille.inria.fr/archives/papers/Verw11a-OOSPLA11-FlexibleObjectLayouts.pdf
> >
> >
> > On Mon, Apr 30, 2012 at 8:36 PM, Santiago Bragagnolo
> > <[email protected]> wrote:
> > Hi all! I was chating with Guille, who's blaming me for make a refactor in
> > sunit for pharo 1.4 instead of 2.0 and told me 'pharo 2.0 probably adds
> > class layouts and slots'. Well, i'm with a concrete type inference project,
> > i want to know what is made and who is in that part of the project to annoy
> > and bore him with questions, 'cause probably i'll want to type the slots,
> > but i need to understand the metaphor of the slots implementation. I want
> > to understand too whats implication has the class layout over the types.
> >
> > Santiago.
> >
> >
> >
> >
> >
> >
> > --
> > Mariano
> > http://marianopeck.wordpress.com
> >
>
>
>
