[Development] Disabling exception support in QtCore?

[Thiago Macieira]

On quarta-feira, 2 de outubro de 2013 00:04:58, Christoph Feck wrote:
> On Tuesday 01 October 2013 21:20:29 Thiago Macieira wrote:
> > Since we decided to roll back support for exceptions in our
> > container classes, the only thing that currently needs exception
> > support is the mainloop allowing std::bad_alloc through.
> > 
> > Is it worth it?
> > 
> > Should we disable exceptions in QtCore?
> 
> If it allows us to get a backtrace actually showing where the
> unhandled exception was thrown (instead of saying it was caused by the
> Qt event loop), I am all for disabling exception support in QtCore.

In order to properly do that, we should remove all try/catch blocks in QtCore 
and replace with scoped pointers and scoped values. We should let the 
destructors handle the cleanup.

Turning exceptions off may or may not get you the backtrace. It may also get 
you a std::terminate or a crash.

-- 
Thiago Macieira - thiago.macieira (AT) intel.com
  Software Architect - Intel Open Source Technology Center
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