gistfile1.m

int main(int argc, char *argv[])

{

    @autoreleasepool {
            @try {
                return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));
            }
            @catch (NSException *exception) {
                    NSLog(@"Uncaught exception: %@", exception.name);
                    NSLog(@"reason: %@", exception.reason);
                    NSLog(@"userInfo: %@", exception.userInfo);
                    NSLog(@"Stack trace: %@", [exception callStackSymbols]);
                    @throw exception; //forward exception
            }
    }
}