*Easier* access of swift ivars with FLEXing

Tweak.xm

%hook NSObject

%new
- (id)getIvar:(NSString *)arg1 {
        id obj;

        @try {
                const char *str = [arg1 UTF8String];
                obj = MSHookIvar<id>(self, str);
        }
        @catch (NSException *exc) {
                obj = nil;

                UIAlertView *alert = [[UIAlertView alloc] initWithTitle:exc.name message: exc.reason delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil];

                [alert show];
                [alert release];
        }
        @finally {
                return obj;
        }
}

%end