TooCoupled

Modularity can not only be broken or insufficient, it can also be weakened. A grammar split into several modules that have high coupling among them and low cohesion inside each of them, had better stayed as TooLonely.

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.