PRINT_CALLER.h

#define PRINT_CALLER(cmd, arg) ({ \
    NSString *sourceString = [[NSThread callStackSymbols] objectAtIndex:1]; \
    NSCharacterSet *separatorSet = [NSCharacterSet characterSetWithCharactersInString:@" -[]+?.,"]; \
    NSMutableArray *array = [NSMutableArray arrayWithArray:[sourceString componentsSeparatedByCharactersInSet:separatorSet]]; \
    [array removeObject:@""]; \
    NSString *value = arg == nil ? @"nil" : [NSString stringWithFormat:@"%@", (arg)]; \
    NSLog(@"Caller of '%@' is '[%@ %@]', with argument: '%@'", NSStringFromSelector(cmd), [array objectAtIndex:3], [array objectAtIndex:4], value); \
})