XEmacs 21.2.32 "Kastor & Polydeukes".

[chise/xemacs-chise.git.1] / lisp / cl.el

diff --git a/lisp/cl.el b/lisp/cl.el
index 4bddff6..db01cd2 100644 (file)
--- a/lisp/cl.el
+++ b/lisp/cl.el
@@ -317,6 +317,23 @@ definitions to shadow the loaded ones for use in file byte-compilation."
 
 (defvar *gensym-counter* (* (logand (cl-random-time) 1023) 100))
 
+(defun gensym (&optional arg)
+  "Generate a new uninterned symbol.
+The name is made by appending a number to PREFIX, default \"G\"."
+  (let ((prefix (if (stringp arg) arg "G"))
+       (num (if (integerp arg) arg
+              (prog1 *gensym-counter*
+                (setq *gensym-counter* (1+ *gensym-counter*))))))
+    (make-symbol (format "%s%d" prefix num))))
+
+(defun gentemp (&optional arg)
+  "Generate a new interned symbol with a unique name.
+The name is made by appending a number to PREFIX, default \"G\"."
+  (let ((prefix (if (stringp arg) arg "G"))
+       name)
+    (while (intern-soft (setq name (format "%s%d" prefix *gensym-counter*)))
+      (setq *gensym-counter* (1+ *gensym-counter*)))
+    (intern name)))
 
 ;;; Numbers.