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Added notes for macros inside macros

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Justin Ethier 2015-08-14 22:15:03 -04:00
parent 36646331b8
commit 43b61de378
1 changed files with 11 additions and 0 deletions
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11
test2.scm
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@ -31,6 +31,17 @@
(define-syntax test2
(er-macro-transformer
(lambda (expr rename compare)
;; need some way to get these in the eval env
;;
;; may need to maintain an environment in the compiler and pass it
;; along to eval somehow when macro is expanded. would this just
;; involve changes to expand? also, does that mean macro:expand
;; should call eval directly if a non-compiled macro is found?
;; if that is the case, macro:expand would also need to receive
;; the env parameter so it could pass that along to.
;; tbd how this parameter would be combined with eval's global env,
;; because it would need to extend it.
;; could eval expose a function to extend the global env (or any env)?
(test 1 2 3) ; breaks
;(my-or 1 2 3) ; breaks
(list 'test #t))))