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authorRose Hogenson <rhogenson@posteo.net>2022-01-11 22:01:23 -0800
committerRose Hogenson <rhogenson@posteo.net>2022-01-11 22:01:23 -0800
commit68986fe0410584c6934c835bb0ee784655f5f8c5 (patch)
treed51bc2f3e09df35ef81b7a0c462ff555b4344701 /vec.csc
parentAdd a first implementation of a macro expander. (diff)
downloadchromatopelma-68986fe0410584c6934c835bb0ee784655f5f8c5.tar.zst
Move scheme compiler into a separate directory.
Diffstat (limited to 'vec.csc')
-rw-r--r--vec.csc54
1 files changed, 0 insertions, 54 deletions
diff --git a/vec.csc b/vec.csc
deleted file mode 100644
index 03f2b0f..0000000
--- a/vec.csc
+++ /dev/null
@@ -1,54 +0,0 @@
-(define-library (csc vec)
- (export
- list->vec
- vec
- vec->list
- vec-append
- vec-length
- vec-ref
- vec?)
- (import (scheme base))
- (begin
-
-
- (define-record-type <vec>
- (make-vec len arr)
- vec?
- (len vec-length)
- (arr vec-arr))
-
-
- (define (list->vec l)
- (let ((arr (list->vector l)))
- (make-vec (vector-length arr) arr)))
-
-
- (define (vec->list v)
- (vector->list (vec-arr v) 0 (vec-length v)))
-
-
- (define (vec . xs)
- (list->vec xs))
-
-
- (define (vec-append v . xs)
- (let ((append-one
- (lambda (v x)
- (let ((new-v (if (> (vector-length (vec-arr v)) (vec-length v))
- v
- (let ((new-arr (make-vector (max 1 (* 2 (vec-length v))))))
- (vector-copy! new-arr 0 (vec-arr v))
- (make-vec (vec-length v) new-arr)))))
- (vector-set! (vec-arr new-v) (vec-length new-v) x)
- (make-vec (+ 1 (vec-length new-v)) (vec-arr new-v))))))
- (let loop ((v v)
- (xs xs))
- (if (null? xs)
- v
- (loop (append-one v (car xs)) (cdr xs))))))
-
-
- (define (vec-ref v k)
- (if (>= k (vec-length v))
- (error "index out of bounds" k)
- (vector-ref (vec-arr v) k)))))