[MacRuby-devel] Accessing Obj-C InstVars from Ruby

[Mathias Sulser]

I started working on this. I have a failing test case and figured a  
way to hook in the objc lookup inside the ivar_get function.
However, I haven't figured out how I can call  
object_getInstanceVariable with an ROBJECT.. any hints appreciated.

Regards, Mathias

On 3 Apr 2009, at 19:29, Laurent Sansonetti wrote:

>
> On Apr 1, 2009, at 8:07 AM, Benjamin Stiglitz wrote:
>
>>>>> Is there a way to access instance variables defined in an  
>>>>> Objective-C
>>>>> class from a Ruby extension?
>>>
>>> It is currently not implemented, but it's technically possible. A  
>>> good work-around is to define accessors (properties) as John  
>>> mentioned.
>>
>> Maybe we need MacRuby::Runtime to bubble up the Obj-C runtime. Or  
>> FFI.
>
> Might be a nice feature, but in this case I think we should simply  
> expose the existing Objective-C ivars in variable.c, by adding  
> another lookup path. If someone is willing to investigate that let  
> me know. Should not be that hard.
>
> Laurent
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