Login  Register

Re: weak announcements

Posted by Stéphane Ducasse on Feb 15, 2011; 6:20pm
URL: https://forum.world.st/Working-with-weak-announcements-tp3305802p3307324.html



> Hi,
>
> Yes, it is meant to be integrated in Pharo 1.3.
>
> Ok, but then PharoTaskForces should not delete the packages after they are integrated.

they will just be moved to pharo for history management.

> The reason is that I want to use these announcements before you release 1.3, and thus it will appear in ConfigurationOfGlamour. Is that Ok?

Sure!


>
> Cheers,
> Doru
>
>
> On 15 Feb 2011, at 18:53, Stéphane Ducasse wrote:
>
>> if this is to be integrated in 1.3 (which I hope :)) then I would prefer PharoTaskForces
>>
>> Stef
>>
>>
>>> Hi everyone,
>>>
>>> So, the current situation is that we can make rather quickly on:send:to: work weakly.
>>>
>>> There is an almost working version in Lukas' repository, and Esteban and me will try to get it to work. Now, the question is where to publish this. I would suggest to create an official squeaksource.com/announcements repository.
>>>
>>> Is that Ok for you, or do you prefer to have it in squeaksource.com/PharoTaskForces?
>>>
>>> Cheers,
>>> Doru
>>>
>>>
>>> On 15 Feb 2011, at 18:21, Tudor Girba wrote:
>>>
>>>> Hi Esteban,
>>>>
>>>> I finished the Glamour changes to only use on:send:to: between the Glamour model and the Glamour renderer.
>>>>
>>>> Cheers,
>>>> Doru
>>>>
>>>>
>>>> On 15 Feb 2011, at 17:37, Tudor Girba wrote:
>>>>
>>>>> Hi Esteban,
>>>>>
>>>>> I started to refactor all usages of on:do: and when:do: into on:send:to: in the core of Glamour. I am almost finished.
>>>>>
>>>>> Now the only question is if we want to distinguish between WeakAnnouncer and Announcer. Is there a performance penalty or another kind of drawback in merging the two and use the WeakAnnouncer implementation only?
>>>>>
>>>>> The other thing is that we need to add on:send:to:with: and on:send:to:withAll: because we need to handle extra parameters (given that we cannot access local variables).
>>>>>
>>>>> Cheers,
>>>>> Doru
>>>>>
>>>>>
>>>>>
>>>>> On 15 Feb 2011, at 13:45, Esteban Lorenzano wrote:
>>>>>
>>>>>> Well... not exactly, still something to do: the weak associations on weakannouncer are getting a lot of pairs #selector->nil and we need to think in a way to clean this. But this is doable :)
>>>>>> In other order of things, I think we should explicitly forbid the use of #on:do: and #when:do: until the fix for blocks is ready.
>>>>>>
>>>>>> Cheers,
>>>>>> Esteban
>>>>>>
>>>>>> El 14/02/2011, a las 6:55p.m., Tudor Girba escribió:
>>>>>>
>>>>>>> Aha. Thanks a lot. Ok, let's do that. Is it true that the Lukas' Announcements already provide the support for on:send:to: ?
>>>>>>>
>>>>>>> Cheers,
>>>>>>> Doru
>>>>>>>
>>>>>>>
>>>>>>> On 14 Feb 2011, at 22:04, Esteban Lorenzano wrote:
>>>>>>>
>>>>>>>> Hi,
>>>>>>>> Well, this means, in the mean time, if we want to solve our issue 492 using weak announcements, we need to replace all #on:do: calls for #on:send:to:
>>>>>>>> :(
>>>>>>>>
>>>>>>>> Cheers,
>>>>>>>> Esteban
>>>>>>>>
>>>>>>>> Inicio del mensaje reenviado:
>>>>>>>>
>>>>>>>>> De: Stéphane Ducasse <[hidden email]>
>>>>>>>>> Fecha: 14 de febrero de 2011 17:57:07 GMT-03:00
>>>>>>>>> Para: [hidden email]
>>>>>>>>> Asunto: Re: [Pharo-project] Working with weak announcements...
>>>>>>>>> Responder a: [hidden email]
>>>>>>>>>
>>>>>>>>> good question :)
>>>>>>>>>
>>>>>>>>> On FHi,
>>>>>>>>>> I'm working with weak announcements,
>>>>>>>>>
>>>>>>>>> good we need that.
>>>>>>>>> Igor was telling me that the right anwser are ephemerons (but for that: gc change is required).
>>>>>>>>> Now it would be good to have first a solution at image level
>>>>>>>>>
>>>>>>>>>> trying to make it work, and I have a problem in #on:do: protocol (or #when:do:)
>>>>>>>>>> I try to explain:
>>>>>>>>>>
>>>>>>>>>> This method receives a block, not an object/selector, so I can't create a WeakMessageSend which is the appropriate message to handle in other cases.
>>>>>>>>>> Well, the real question is... how can I produce a "Weak BlockClosure reference" who can die if receiver dies?
>>>>>>>>>> I tried some hacks (really ugly hacks, btw), but fail completely.
>>>>>>>>>> Any idea?
>>>>>>>>>>
>>>>>>>>>> best,
>>>>>>>>>> Esteban
>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> www.tudorgirba.com
>>>>>>>
>>>>>>> "Problem solving efficiency grows with the abstractness level of problem understanding."
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>> --
>>>>> www.tudorgirba.com
>>>>>
>>>>> "Reasonable is what we are accustomed with."
>>>>>
>>>>
>>>> --
>>>> www.tudorgirba.com
>>>>
>>>> "Every now and then stop and ask yourself if the war you're fighting is the right one."
>>>>
>>>>
>>>>
>>>
>>> --
>>> www.tudorgirba.com
>>>
>>> "The coherence of a trip is given by the clearness of the goal."
>>>
>>>
>>>
>>>
>>>
>>
>>
>
> --
> www.tudorgirba.com
>
> "Some battles are better lost than fought."
>
>
>
>