Great! Without knowing much about how compilers work under the hood, its difficult to gauge how ergonomic I can expect them to be while remaining deterministic

Great! Without knowing much about how compilers work under the hood, its difficult to gauge how ergonomic I can expect them to be while remaining deterministic. If you had told me it's actually NP hard to always select the token before the missing semicolon I would have said, "Oh, ok." :)