[Newbies] UndefinedObject

[Bert Freudenberg]

Am 12.06.2006 um 23:08 schrieb nicolas cellier:

> Le Dimanche 11 Juin 2006 14:54, mathieu a écrit :
>> An other things intresting is where do nil being initialized? [I  
>> know he
>> is an old friend but it should have been born in a certain  
>> time  :-) ]
>>
>
> I think this one is so essential, that you can only find it in some  
> bootstrap
> method not written in Smalltalk.
>
> There must be a few initializer that you will hardly find in the  
> image, like
> initialization of Smalltalk (I mean SystemDictionary).
> Did you see something like Smalltalk at: #Smalltalk put: Smalltalk ?
>
> Like the (Metaclass class class) knot...
>
> Like the Process stuff...
>
> Feel free to discover more!
>
> You must admit that an image must have been created once ex nihilo  
> (or rather
> ex C-code glue).

Most certainly not C. The first Smalltalk prototype was a BASIC  
program, Smalltalk-72 was coded in assembly. We'd have to ask Dan to  
be sure where the nil instance in Squeak comes from ...

- Bert -