or code walker:
desc:
src:
see Erunticlab
also walk.lisp in common lisp music
there function:
take-it-out-for-a-test-walk
and walk-form in run.lisp
also in common music code walker at fm01lisp/cm-2.4.2/src/stocl.lisp translates CM's scheme/goops source files into cltl2/clos.