Manual tracking of retain/release and subsequent retainCount

gistfile1.c

- (NSString*) filteredCallstackSymbol
{
  NSArray *callStackSymbols = [NSThread callStackSymbols];
  NSPredicate *filter = [NSPredicate predicateWithFormat:@"self contains 'Stay'"]; // filter for 'ClassPrefix'
  NSArray *filtered = [callStackSymbols filteredArrayUsingPredicate:filter];
  NSString *closestSymbol = [filtered objectAtIndex:(filtered.count>2)? 2 : 1];
  return closestSymbol;
}

-(id) retain
{
  id ret = [super retain];

  NSLog(@"retain: %ld %@",
        (long)[self retainCount],
        [self filteredCallstackSymbol]);

  return ret;
}

-(oneway void) release
{
  [super release];

  NSLog(@"release: %ld %@",
        (long)[self retainCount],
        [self filteredCallstackSymbol]);
}