Objective C++ and ObjC exceptions
Objective C++ and ObjC exceptions
- Subject: Objective C++ and ObjC exceptions
- From: Kai Brüning <email@hidden>
- Date: Wed, 19 Sep 2007 21:47:43 +0200
Most of the restrictions concerning the mixture of ObjC and C++ I do
understand well and consider more or less obvious. But there's one
exception concerning exceptions: if an Objective C exception unrolls
the stack, it does not clean up C++ objects on that stack, that is
their destructors are not called. This is a real bad thing, because
it practically disables use of the C++ RAII (resource acquisition is
initialization) design pattern in any code which may see Objective C
exceptions.
I am aware that there is probably no remedy, but I am so disappointed
about this behavior that I hope to receive at least a good reason for
it and maybe some hope for change in the future. The not so near
future, I am afraid, since I already tested with XCode 3 under
Leopard.
Best regards,
Kai
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