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Issue #331 - Ensure definitions from begin's are spliced in

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This commit is contained in:
Justin Ethier 2019-08-06 22:06:43 -04:00
parent 2d398573a5
commit 80b861664a
1 changed files with 20 additions and 18 deletions
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18
scheme/eval.sld
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@ -614,17 +614,19 @@
rename-env
local-renamed))))))
(cond
; ;; special case
; ((eq? 'begin op)
;; special case - a begin can splice in definitions, so we can't use the
;; built-in macro that just expands them in a new lambda scope. Instead
;; we nest them below within the same lexical environment.
((eq? 'begin op)
;(newline)
;(display "/* ")
;(write (list 'begin exp))
;(write (list exp))
;(display "*/ ")
; (let ((fncs (map (lambda (expr)
; (pre-analyze-application expr a-env rename-env local-renamed))
; (cdr exp))))
; (lambda (env)
; (foldl (lambda (fnc _) (fnc env)) #f fncs))))
(let ((fncs (map (lambda (expr)
(analyze expr a-env rename-env local-renamed))
(cdr exp))))
(lambda (env)
(foldl (lambda (fnc _) (fnc env)) #f fncs))))
;; compiled macro
((Cyc-macro? var)
(expand var))