[MacRuby-devel] TwUI & MacRuby issue

[isaac kearse]

I should have also mentioned that I can reproduce this crash on
MacRuby 0.10, 0.11 and the latest nightly build.

On Sat, Dec 24, 2011 at 11:19 AM, isaac kearse <isaackearse at gmail.com> wrote:
> TwUI is a hardware accelerated UI framework for Mac, inspired by
> UIKit: https://github.com/twitter/twui
>
> I'd like to try using it in my MacRuby apps, so I thought to start
> with I would port the the TwUI Example Project to MacRuby.
>
> TwUI Example Project: https://github.com/twitter/twui/tree/master/ExampleProject
> MacRuby: https://github.com/isaac/TwUIExample
>
> I got a basic version of the example app working, but as I was
> implementing the tab bar the app crashed with this exception:
>
> Exception Type:  EXC_BAD_ACCESS (SIGSEGV)
> Exception Codes: KERN_INVALID_ADDRESS at 0x000000000000000a
>
> Here is the full crash report: https://gist.github.com/78e7f9870b788e8fd4c9
>
> I have tried to make this crash easy to replicate by writing a Rake
> task and instructions for installing the TwUI framework for MacRuby -
> details here: https://github.com/isaac/TwUIExample/blob/master/README.md
>
> The app was originally written with HotCocoa, but there is also an
> Xcode version that reproduces the same crash here:
> https://github.com/isaac/TwUIExample/tree/master/Xcode
>
> I thought this might be related to the fact that TwUI doesn't use
> garbage collection, but I can also reproduce this crash with a fork
> that uses ARC here:
> https://github.com/jspahrsummers/twui/tree/SnowLeopardCompatibility
>
> Let me know if I should open a Trac ticket about this, I'm not sure if
> it is a MacRuby issue or not.
>
> Any help would be greatly appreciated!
>
> Cheers,
> Isaac