17 lines
448 B
Scheme
17 lines
448 B
Scheme
;;; -*-Scheme-*-
|
|
;;;
|
|
;;; string-tokenize -- parse a string into a list of tokens
|
|
|
|
(define (string-tokenize s)
|
|
(let ((i 0) (j)
|
|
(n (string-length s)))
|
|
(let loop ((args '()))
|
|
(while (and (< i n) (char-whitespace? (string-ref s i)))
|
|
(set! i (1+ i)))
|
|
(if (>= i n)
|
|
(reverse! args)
|
|
(set! j i)
|
|
(while (and (< i n) (not (char-whitespace? (string-ref s i))))
|
|
(set! i (1+ i)))
|
|
(loop (cons (substring s j i) args))))))
|