Some questions about Spoon

stéphane ducasse ducasse at iam.unibe.ch
Sat Aug 12 08:49:22 UTC 2006


On 11 août 06, at 23:33, Craig Latta wrote:

>
> Hi Stef--
>
>> you should have a look at the changes done in the versions until
>> 3.9 since else this will be really difficult to migrate on top of
>> spoon (which I would love)
>
>      Can you be more specific about which changes you mean? In  
> general,
> I think it'll be easier to adapt changes to Spoon that it is to  
> adapt to
> other versions of Squeak, since there is less in Spoon to cause  
> conflict
> (because it's minimal).

pragmas, traits and tons of fixes that were harvested
initialize called by new

>> I cannot really believe in the "people will rewrite what they need"
>> so reusing is important for me.
>
>      I expect that people will get most of the way there by imprinting
> unit tests from their previous working object memory (in 3.x and
> earlier). This is the primary motivation for making a Flow release  
> that
> is compatible with 3.x and earlier. With that we can implement just
> enough of the remote-messaging support and Naiad in those older  
> systems,
> so that we can imprint from there onto newer Spoon systems.

I hope this will work in reality. There are a lot of work with  
limited tests and
also bootstrapping problem

>> Still I have some doubts that working on 3.2 is the best choice.
>
>      For making a minimal system, I think it's best to start with the
> earliest/smallest Squeak possible (i.e., the earliest one that has all
> desired VM-dependent behavior).

I know but.

> Initially, I had hoped that the starting
> point would be Dan's 2.2 "mini" system, because the object memory part
> was already pretty small. I only went forward to 3.2 because I wanted
> the exception-handling and finalization support (even though both of
> those could be improved-- it's easier this way rather than trying  
> to add
> them into the minimal system later). If I'm missing some some
> fundamental VM-dependent support that's been added since 3.2,  
> please let
> me know what it is.

I do not have enough knowledge there.
I know that john told me that the event system handling was improved  
and lot more.

Stef


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