Actually there is. This is a reification of the call stack (so it is a reflection trait of the language) called method lookup alteration and interception[1] Bu

Actually there is. This is a reification of the call stack (so it is a reflection trait of the language) called method lookup alteration and interception[1] But thanks for pointing it out. I've edited the original comment to avoid confusion. [1] http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.91.1021&rep=rep1&type=pdf http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.91....