HI
MyClass class >>
addMyProgamInstanceVariables
(self instVarNames includes: 'myVariable')
ifFalse: [ self addInstVarNamed: 'myVariable' ].
and put it in an initialize of my class
or create MyProgranInsaler class >>
addAllNeededInstanceVariables
{MyClass. ClassB. ClassC } do: [ :each | each
addMyProgramInstanceVariables ]
initialize
self addAllNeededInstanceVariables.
El 31/07/2011, a las 07:10, Igor Stasenko escribió:
> On 31 July 2011 05:16, Nick Chen <[email protected]> wrote:
>> Hi
>>
>> I have modified an existing class in the Smalltalk image and added an
>> instance variable to it. I would like to record this change -- added this
>> new instance variable -- in Monticello; that way my team can also pull in
>> the changes and have it work. This existing class is outside of my
>> Monticello package.
>>
>> Is this possible?
>>
>> I have tried following these two threads (~ 2008)
>>
>> *
>> http://forum.world.st/monticello-package-adding-instance-variables-to-existing-classes-td110740.html
>> *
>> http://forum.world.st/squeak-dev-MC-unload-action-and-postload-actions-td78441.html
>>
>> by creating a method on the class side e.g. TheObject class>>mcInstallOn:
>> aClassEditor but it does not seem to work.
>>
>> Is this functionality still supported or is there a new way to achieve this?
>>
>> Thanks!
>>
> As far as i can tell, this is not supported.
> If you allow things like that, then system become very fragilie.
>
> Suppose that you have two independently developed packages, which
> adding instance variable to same external class
> under same name.
> Such kind of conflicts is impossible to solve, because you never know
> what combination of package(s) could be loaded.
>
> Instead, what you can do is to save own version of package (with class
> where you added ivar) and distribute your code with
> this version of package.
>
>> --
>> Nick
>>
>> --
>> View this message in context:
>> http://forum.world.st/Adding-instance-variables-to-existing-classes-in-Monticello-tp3707174p3707174.html
>> Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com.
>>
>>
>
>
>
> --
> Best regards,
> Igor Stasenko AKA sig.
>
Joan Güell
[email protected]
