[squeak-dev] SmalltalkImage current vs. Smalltalk
bert at freudenbergs.de
Tue Mar 2 07:21:53 UTC 2010
On 02.03.2010, at 05:08, Andreas Raab wrote:
> Folks -
> I was just trying to load some other code and once too many I got bitten by this silly SmalltalkImage current vs. Smalltalk stuff, so I'll fix it now. The only question is which way. There are two alternatives which achieve the goal of "SmalltalkImage current == Smalltalk":
> 1) The Cuis variant: Move all the code back to SystemDictionary; implement SmalltalkImage current as ^Smalltalk.
> Pro: Compatible with Cuis.
> Con: Lack of separation of concerns.
> 2) The inverse Cuis variant: Move all the code from SystemDictionary to SmalltalkImage; add a 'globals' variable (populated by an instance of SystemDictionary) and convert everything roughly like this:
> SmalltalkImage current globals: Smalltalk.
> Smalltalk := SmalltalkImage current.
> Pro: Better separation of concerns.
> Con: Different from Cuis.
> I really don't care which way we do it; all I want is to get out of the mess we've created by introducing "SmalltalkImage current".
> If you have an opinion, voice it, otherwise I'll just pick one.
> - Andreas
- Bert -
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