[squeak-dev] Re: allObjectsDo:

Bert Freudenberg bert at freudenbergs.de
Tue Jan 14 13:27:11 UTC 2014


On 14.01.2014, at 01:36, David T. Lewis <lewis at mail.msen.com> wrote:

> On Mon, Jan 13, 2014 at 12:28:33PM +0100, Bert Freudenberg wrote:
>> I'd fill the remaining slots with 0 instead of nil. Even
>> better: allocate the array as object count + 1 and *always* put a 0 last.
>> That way the image code cannot ever "forget" to check for 0.
>> 
> 
> Attached is an implementation of Bert's proposal. There is at least one integer
> zero at the end of the result array, or more if the primitive caused a GC.
> 
> I sort of like this idea now that I understand the rational for using integer
> zero as the fill. 
> 
> But Eliot is right, it would be better to answer only the objects that still
> exist after any possible GC.
> 
> Dave
> 
> <InterpreterPrimitives-primitiveAllObjects-dtl.2.cs>

Nice. Now we just need the same for allInstances :)

- Bert -


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