Mariano
why your proxy class does not have at least a format, methodDict and superclass?
In the past
Behavior new something was carashing the vm because methodDict was nil and boum it crashed.
I fixed that long time ago.
Now I think that a class proxy cannot be just the same as an object proxy from the vm look at structure.
Stef
On Sep 28, 2010, at 10:29 PM, Mariano Martinez Peck wrote:
> Hi folks. I am trying to do something and I found a VM crash. Suppose I want to swap out a class, do a become with a proxy (that with the DNU will load the class back). In addition, I have instances of the swapped class.
>
> Example of code (will crash in the last line):
>
> o := MyObject new.
> o foo: 123.
> p := ClassProxy new.
> p become: MyObject.
> o == nil.
> o foo.
>
>
> My Object just extends Object, has an instVar 'foo', and implements the accessors.
>
> ClassProxy implements:
>
> become: aClass
> className := aClass name.
> aClass fileOut.
> super become: aClass
>
> and
>
> doesNotUnderstand: aMessage
> | reloadedClass |
> (FileStream fileNamed: className, '.st') fileIn.
> reloadedClass := Smalltalk at: className.
> self becomeForward: reloadedClass.
> ^aMessage sendTo: reloadedClass
>
>
> So....does someone know why the crash?
>
> how can I solve it ?
>
> Thanks in advance
>
> Mariano
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