I think this is an area where practice has lagged quite far behind theory (for entirely reasonable practical reasons). I've seen quite a few papers relating to

I think this is an area where practice has lagged quite far behind theory (for entirely reasonable practical reasons). I've seen quite a few papers relating to incremental parsing, compilation, etc. (e.g. [1,2]) but afaik very few build systems actually take advantage. [1] https://arxiv.org/abs/1312.0658 https://arxiv.org/abs/1312.0658 [2] https://blog.functorial.com/posts/2018-04-08-Incrementally-Improving-The-DOM.html https://blog.functorial.com/posts/2018-04-08-Incrementally-I...