1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
;; -*-theme-d-*-
;; Copyright (C) 2014, 2024 Tommi Höynälänmaa
;; Distributed under GNU General Public License version 3,
;; see file doc/GPL-3.
;; Expected results: translation and running OK
(define-proper-program (tests test223)
(import (standard-library core)
(standard-library console-io))
(define-foreign-prim-class <bytevector>
(attributes equal-by-value checked)
(member-pred bytevector?))
(define make-bytevector
(prim-proc make-bytevector (<integer> <integer>) <bytevector> (pure)))
(define bytevector-length
(prim-proc bytevector-length (<bytevector>) <integer> (pure)))
(define bytevector-u8-ref
(prim-proc bytevector-u8-ref (<bytevector> <integer>) <integer> (pure)))
(define bytevector-u8-set!
(prim-proc bytevector-u8-set! (<bytevector> <integer> <integer>) <none>
(nonpure)))
(define-simple-proc display-bytevector (((bv <bytevector>)) <none> (nonpure))
(let ((len (bytevector-length bv)))
(do ((i <integer> 0 (+ i 1))) ((>= i len))
(console-display (bytevector-u8-ref bv i))
(console-newline))))
(define main
(lambda (() <none> nonpure)
(let ((bv (make-bytevector 10 128)))
(bytevector-u8-set! bv 5 20)
(display-bytevector bv)))))
|
