Re: c++ exceptions causing abort
Re: c++ exceptions causing abort
- Subject: Re: c++ exceptions causing abort
- From: Benjohn <email@hidden>
- Date: Mon, 13 Dec 2004 18:53:24 +0000
On 13 Dec 2004, at 16:40, John Stiles wrote:
This isn't possible.
Oh blast. Thank you for confirming that.
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.
*nods*
Can you see a nice way of achieving this, that avoids adding try catch
blocks in lots of places (I imagine there are many points where our
code is invoked by a caller that doesn't allow exceptions to pass
through it)? As an example, perhaps we could patch the objective c
message dispatcher to ensure calls to our code are wrapped in a try
catch block.
Cheers,
Benjohn
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