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Adding define-c

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This commit is contained in:
Justin Ethier 2016-01-07 22:45:03 -05:00
parent 16f420e057
commit 69e8450c1b
1 changed files with 17 additions and 5 deletions
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22
scheme/cyclone/transforms.sld
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@ -86,7 +86,7 @@
define->lambda
define->var
define->exp
define-c
define-c?
set!?
set!->var
set!->exp
@ -888,6 +888,12 @@
(loop (cdr top-lvl)
(cons (car top-lvl) globals)
exprs))))
((define-c? (car top-lvl))
;; Add as a new global, for now keep things simple
;; since this is compiler-specific
(loop (cdr top-lvl)
(cons (car top-lvl) globals)
exprs))
(else
(loop (cdr top-lvl)
globals
@ -916,7 +922,8 @@
(let ((globals '()))
(for-each
(lambda (e)
(if (define? e)
(if (or (define? e)
(define-c? e))
(set! globals (cons (define->var e) globals))))
exp)
globals))
@ -978,6 +985,7 @@
(search (if->else exp)))))
((define? exp) (union (list (define->var exp))
(search (define->exp exp))))
((define-c? exp) (list (define->var exp)))
((set!? exp) (union (list (set!->var exp))
(search (set!->exp exp))))
; Application:
@ -1399,13 +1407,17 @@
(let* ((global-def? (define? ast)) ;; No internal defines by this phase
(ast-cps
(if global-def?
(cond
(global-def?
(remove-unused
`(define ,(define->var ast)
,@(let ((k (gensym 'k))
(r (gensym 'r)))
(cps (car (define->exp ast)) 'unused))))
(cps ast '%halt))))
(cps (car (define->exp ast)) 'unused)))))
((define-c? ast)
ast)
(else
(cps ast '%halt)))))
ast-cps))