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Issue #243 - Edge case that comes up w/match

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This was never handled properly but never noticed it until doing expansions for the match macros.
This commit is contained in:
Justin Ethier 2018-02-15 17:09:18 -05:00
parent 57d679ec22
commit 8064ebef5f
1 changed files with 16 additions and 3 deletions
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19
scheme/eval.sld
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@ -1269,7 +1269,8 @@
(cdr local)
(env:lookup (caar exp) env #f)))))
;(log `(DONE WITH env:lookup ,(caar exp) ,val ,(tagged-list? 'macro val)))
(if (tagged-list? 'macro val)
(cond
((tagged-list? 'macro val)
;; Expand macro here so we can catch begins in the expanded code,
;; including nested begins
(let ((expanded (macro:expand this-exp val env rename-env local-renamed)))
@ -1282,7 +1283,19 @@
env
rename-env
local-env
local-renamed))
local-renamed)))
((Cyc-macro? val)
(let ((expanded (macro:expand this-exp (list 'macro val) env rename-env local-renamed)))
(_expand-body
result
(cons
expanded ;(macro:expand this-exp val env)
(cdr exp))
env
rename-env
local-env
local-renamed)))
(else
;; No macro, use main expand function to process
(_expand-body
(cons
@ -1294,7 +1307,7 @@
env
rename-env
local-env
local-renamed))))
local-renamed)))))
(else
;(log 'app)
(_expand-body