[squeak-dev] Re: [Pharo-dev] ||
marcus.denker at inria.fr
Wed Feb 4 08:19:21 UTC 2015
On Tue, Feb 3, 2015 at 6:51 PM, Levente Uzonyi <leves at elte.hu> wrote:
> On Tue, 3 Feb 2015, Marcus Denker wrote:
>> On 03 Feb 2015, at 09:17, Marcus Denker <marcus.denker at inria.fr>
>> On 02 Feb 2015, at 21:47, Eliot Miranda <eliot.miranda at gmail.com>
>> Hi All,
>> code as in the double bars forming the end of block arguments and the
>> beginning of block temporaries in
>> This is fixed in Pharo4 (I think we did that in Pharo3 already):
>> I should search the issue in the issue tracker… it seems to be Pharo4, so
>> just 1296 closed issues to check there…
>> I will search for it.
>> Another question: In the code I saw. ReadOnlyVariableBinding. I removed
>> that in Pharo relatively early as it was not used:
>> half of the classes were stored that binding (old ones) all newer ones
>> where just associations.
>> The code to make a binding "read only" was never called.
>> Is this now used in Squeak? Is it worth the complexity?
> Squeak doesn't use ReadOnlyVariableBinding anymore. The bindings of
> classes are instances of the ClassBinding class.
> Without using separate class it's a bit cumbersome (and less OO) to decide
> if an assignment to a global variable should be allowed or not. E.g.:
> Foo := 1.
> should work if Foo is a global, but not a behavior. It should raise an
> error if it's a behavior.
I thought this is how ReadOnlyVariableBinding was supposed to be used:
classes would use it, globals not.
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