cl-forth/utils.lisp
2024-09-06 10:58:05 -04:00

17 lines
662 B
Common Lisp

(in-package #:cl-forth)
(defun split-string (delimiter input-string)
"Splits INPUT-STRING into a list of tokens, using DELIMITER as the delimiter."
(let ((start 0)
(tokens '()))
(loop for i from 0 below (length input-string) ; Keep it below
for char = (char input-string i)
do (if (eql char delimiter)
(when (> i start)
(push (subseq input-string start i) tokens)
(setf start (1+ i)))))
;; Handle the last token if there is any
(when (> (length input-string) start)
(push (subseq input-string start (length input-string)) tokens))
(nreverse tokens)))