cyclone/scheme/cyclone.scm
2015-05-15 14:20:05 -04:00

48 lines
1.2 KiB
Scheme

(define *version* "0.0.1 (Pre-release)")
(define *version-banner*
(string-append "
:@
@@@
@@@@:
`@@@@@+
.@@@+@@@ Cyclone
@@ @@ An experimental Scheme compiler
,@ https://github.com/justinethier/cyclone
'@
.@
@@ #@ (c) 2014 Justin Ethier
`@@@#@@@. Version " *version* "
#@@@@@
+@@@+
@@#
`@.
"))
(define *c-file-header-comment*
(string-append "/**
** This file was automatically generated by the Cyclone scheme compiler
**
** (c) 2014 Justin Ethier
** Version " *version* "
**
**/
"))
;; Features implemented by this Scheme
(define *features* '(cyclone))
;; Based off corresponding SRFI-1 definition
(define (delete x lis)
(filter (lambda (y) (not (equal? x y))) lis))
;; Inefficient version based off code from SRFI-1
(define (delete-duplicates lis)
(define (recur lis) ; ((lis lis))
(if (null? lis) lis
(let* ((x (car lis))
(tail (cdr lis))
(new-tail (recur (delete x tail))))
(if (eq? tail new-tail) lis (cons x new-tail)))))
(recur lis))