[squeak-dev] Re: The solution of (Was: Creating an image from first principles)

stephane ducasse stephane.ducasse at free.fr
Sun Aug 10 09:31:47 UTC 2008


Tony

I'm really interested into that.

>> Have a look at the bootstrapping process for Slate, starting  
>> perhaps with http://slate.tunes.org/repos/stable/src/mobius/vm/bootstrap.slate 
>> . The fact that the program is written in Slate does not detract  
>> from what the program does, which is (if I remember rightly!) to  
>> build and serialise a model of an image that does not rely on any  
>> characteristics of the host language.

Can you elaborate a bit more on the slate bootstrap process?
>
> (Compare approaches to implementing call/return in simple  
> interpreters: you can use the host language's support for call and  
> return, by recursing into your evaluator in the host language, or  
> you can reify the stack, and so avoid requiring the host language to  
> even have call/return semantics. Similarly, Slate reifies the image  
> being constructed, so doesn't depend on being image-based itself.)
>
> (Also, I had a go at the same thing myself: See the definition of  
> (bootstrap-image!) in http://www.eighty-twenty.org/~tonyg/Darcs/smalltalk-tng/r1/kernel.scm 
> . This is a Scheme system implementing an image-based Slate-like  
> language.)
>
> Regards,
>  Tony
>
>




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