TooModular

On the other side of the spectrum from TooLonely, a grammar can be too modular and split into so many modules that each of them is meaninglessly tiny, yet their combination is unbearably unintelligible.

Related smells: TooLonely

Reference

Mats Stijlaart and Vadim Zaytsev. 2017. Towards a taxonomy of grammar smells. In Proceedings of the 10th ACM SIGPLAN International Conference on Software Language Engineering (SLE 2017). ACM, New York, NY, USA, 43-54.