;; License along with this library; if not, write to the Free Software
;; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-;; $Id: gutils.lisp,v 1.4 2001/04/29 20:01:54 espen Exp $
+;; $Id: gutils.lisp,v 1.9 2001/10/21 16:53:13 espen Exp $
(in-package "KERNEL")
(in-package "GLIB")
-
(defun type-expand-to (type form)
(labels ((expand (form0)
(if (eq (first (mklist form0)) type)
`(progn
(let ((,gc-inhibit lisp::*gc-inhibit*))
(ext:gc-off)
- (unwind-protect
+ (unwind-protect
,@body
(unless ,gc-inhibit
(ext:gc-on)))))))
(fdefinition object)
object))
+(defun intersection-p (list1 list2 &key (test #'eq))
+ (dolist (obj list1 nil)
+ (when (member obj list2 :test test)
+ (return-from intersection-p t))))
+
(defun split-string (string delimiter)
(declare (simple-string string) (character delimiter))
'string
(first strings)
(if delimiter (string delimiter) "")
- (concatenate-strings (rest strings)))))
+ (concatenate-strings (rest strings) delimiter))))
+
+(defun string-prefix-p (prefix string)
+ (and
+ (>= (length string) (length prefix))
+ (string= prefix string :end2 (length prefix))))
+
+(defun get-all (plist property)
+ (multiple-value-bind (property value tail)
+ (get-properties plist (list property))
+ (when tail
+ (cons value (get-all (cddr tail) property)))))
+
+(defun plist-remove (plist property)
+ (when plist
+ (if (eq (first plist) property)
+ (plist-remove (cddr plist) property)
+ (list*
+ (first plist) (second plist) (plist-remove (cddr plist) property)))))