Depending on what type of Lisp you're compiling, you may be able to resolve some locations at compile time. See section "lexical addressing" in SICP chapter 5,

Depending on what type of Lisp you're compiling, you may be able to resolve some locations at compile time. See section "lexical addressing" in SICP chapter 5, here: http://mitpress.mit.edu/sicp/full-text/book/book-Z-H-35.html#%_sec_5.5.6 http://mitpress.mit.edu/sicp/full-text/book/book-Z-H-35.html...