Re: c++ exceptions causing abort

FROM : Michael Crawford
DATE : Mon Dec 13 19:24:27 2004

Oops.  I sent this to the wrong address.

-Michael

Reply from 'wrong address':

Don't tell me, tell the list.


On Dec 13, 2004, at 9:57 AM, Michael Crawford wrote:

> Perhaps you can catch at the top of the C++ code and then convert to 
> Objective-C compatible exceptions by re-throwing from an Objective C++ 
> module.
>
> -Michael
>
> On Dec 13, 2004, at 8:40 AM, John Stiles wrote:
>

>> This isn't possible. As a general rule of thumb, if you didn't 
>> compile it yourself, you probably can't throw through it.
>> Try catching all throws at as low a level as possible without going 
>> back into AppKit, like this:
>>
>>     Our c++ code            - throw occurs here.
>>     Our c++ code
>>     Our c++ code             - try catching here
>>     App Kit / Foundation
>>     App Kit / Foundation
>>     App Kit / Foundation
>>     App Kit / Foundation
>>     Our handler            
>>     App Kit / Foundation
>>     App Kit / Foundation
>>     Root of the stack
>>
>> And then post some sort of notification so the run-loop can know 
>> what's going on.
>>
>>
>> On Dec 13, 2004, at 8:09 AM, Benjohn wrote:
>>

>>> Please could someone tell me if this is not possible (c++ exceptions 
>>> can't be thrown through app kit / foundation methods, for eg). 
>>> Alternatively, could someone confirm if it's definitely possible, 
>>> and we must have something set up wrong.

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