Perhaps a nanopass framework is of interest? "a compiler as a collection of many fine-grained passes, each of which performs a single task" http://www.cs.indian

Perhaps a nanopass framework is of interest? "a compiler as a collection of many fine-grained passes, each of which performs a single task" http://www.cs.indiana.edu/~dyb/pubs/nano-jfp.pdf http://www.cs.indiana.edu/~dyb/pubs/nano-jfp.pdf