[Pharo-project] 1.2: class var #Instance not allowed

Marcus Denker marcus.denker at inria.fr
Wed Feb 2 17:02:16 CET 2011


On Feb 2, 2011, at 2:32 PM, Igor Stasenko wrote:

> 2011/2/2 Janko Mivšek <janko.mivsek at eranova.si>:
>> Hi guys,
>> 
>> One more problem: if some class have a class variable named #Instance,
>> it is not loadable anymore.
>> 
>> It seems that problem is in Class>>bindingOf: method, where check is
>> done in a "declared environment", which happens to be a global
>> SystemDictionary, where a class Instance actually exists.
>> 
>> This means that no class var with a name which collides with a name of
>> class is allowed?
>> 
>> 
> The bug is not in the #bindingOf:
> 
> it just answers (correctly) that for given name there are already a
> binding exists in system.
> So, it should be allowed to declare the class variable with same name.
> But there are some nuances:
> - what to do if supeclass also defining binding for this name?
> - what if pool dicitonary in (super)class defines binding for given name?
> 
> should we allow shadowing of these cases as well, or just for globals?
> 


The question is: was this allowed before in 1.1? 


	Marcus

--
Marcus Denker  -- http://www.marcusdenker.de
INRIA Lille -- Nord Europe. Team RMoD.





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