ANTLR

Raised as a usability problem by 3 people on Hacker News over 12 years (2015–2026), in 3 threads.

People raised many different problems with ANTLR, but no single problem has yet been raised by 3 people in 3 different months and threads.

Unreviewed issues were grouped by machine: Claude Haiku labelled each comment as a usability complaint, named what it's about and summed up the problem in a line, and a small model grouped similar problems. Nobody has checked them by hand. Expect mistakes.

The newest 3 complaints

Too convoluted to use, with Java dependencies and stagnating development2026-10-05
Parser generator forces LL(n) refactoring and its advanced syntax is arcane and poorly documented2016-06-22
Parser generator wastes time on real projects; vague dislike with no specific usability problem named2015-09-26