> You will be shocked to know that emacs and org-mode can do exactly this. You can tangle source, and go from the tangled source back to the section that generated that source.

If you actually use noweb and desire autocompletion or type reminders (or really anything an IDE does), then functionally it cannot. Literate programming (and noweb) is great for configs, but as set up it simply doesn't work right for real programming.