This is what I was thinking... the reason I'm thinking about this is because I am working on porting a few apps and exception which show up in the log on Mac OS X cause GNUstep to die.
GC On Wed, Feb 4, 2009 at 2:52 PM, Matt Rice <ratm...@gmail.com> wrote: > On Wed, Feb 4, 2009 at 11:14 AM, Richard Frith-Macdonald > <rich...@tiptree.demon.co.uk> wrote: > > > > On 4 Feb 2009, at 18:53, Gregory Casamento wrote: > > > >> In some cases on Mac OS X I have observed that exceptions which are not > >> fatal on Mac sometimes ARE fatal on GNUstep. I believe we should > change > >> the logic which deals with exceptions to add a "continue" button and > only > >> show the panel when the application is running in debug mode. This > would > >> allow the application to continue when recovery is possible. > >> > >> Does anyone have any thoughts on this? > > > > I think the panel is shown when there is an UNCAUGHT exception. > > If the exception has not been caught, there is nowhere to return to and > no > > way to continue ... so adding a continue button and returning from the > > uncaught exception handler would not allow the application to continue. > > > > If you want an exception to not be fatal, you have to write code to > handle > > it and continue. > > > > Sometimes you might think you can continue running, but know that the app > > probably won't be doing what the user expects. In this situation it > makes > > sense to display an alert panel explaining the nature of the problem, and > > allow the user to choose between continuing and cleanly terminating. > This > > however is a very different case from the panel shown when the uncaught > > exception handler is called. > > > > > > there might be an handler in the NSApplication -run method which > allows the runloop to continue iterating... > i seem to recall an old version of openstep doing something to this > effect with uncaught exceptions, didn't show a panel, or NSLog > anything, or abort unless of course i was using NSAssert, and it was > doing something with the c preprocessor to get rid of my NSAsserts, > which seems possible :) > -- Gregory Casamento Open Logic Corporation, Principal Consultant ## GNUstep Chief Maintainer yahoo/skype: greg_casamento, aol: gjcasa (240)274-9630 (Cell), (301)362-9640 (Home)
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