[Pharo-project] SmalltalkImage

Benjamin benjamin.vanryseghem.pharo at gmail.com
Sun Nov 7 16:05:27 CET 2010


On Nov 7, 2010, at 4:04 PM, Levente Uzonyi wrote:

> On Sun, 7 Nov 2010, Benjamin wrote:
>
>>
>> On Nov 7, 2010, at 10:51 AM, Stéphane Ducasse wrote:
>>
>>> SmalltalkImage current
>>> 	instVarAt: #globals put: SystemDictionary new
>>> Something like that.
>>
>> This code initialize Smalltalk, but I haven't found where Smalltalk  
>> is stored.
>> Smalltalk is not a SmalltalkImage inst var nor class var neither  
>> Smalltalk class inst var ...
>> So I wonder where to find it ...
>
> Smalltalk is a global. Globals are stored in a SystemDictionary. So  
> far the only instance of SystemDictionary is the value of [Smalltalk  
> globals]. Currently Smalltalk is a SmalltalkImage. SmalltalkImage  
> has an instance variable called globals which holds the  
> SystemDictionary. So
>
> (Smalltalk globals at: #Smalltalk) == Smalltalk.
>
> But SmalltalkImage also understands some of the protocol of  
> SystemDictionary, because originally Smalltalk was a  
> SystemDictionary, so you can write this too:
>
> (Smalltalk at: #Smalltalk) == Smalltalk
>
>
> Levente


Thank you for your explanations ^^

Ben

>
>>
>>
>> Ben
>>
>>
>>> ?
>>> On Nov 7, 2010, at 2:46 AM, Benjamin wrote:
>>>> Hi guys,
>>>> I wonder how SmalltalkImage create the Smalltalk instance.
>>>> Can someone explain me that ?
>>>> Thank you
>>>> Ben
>>
>>





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