X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcode%2Fcross-misc.lisp;h=0e1e82e62ea29997b086c55db0d723e0ee60e762;hb=baee4b0e353648e6f3e7a5826f462fec95df1738;hp=530782a4e9195aa31c595ec7eb03cfc31d19ba2e;hpb=26265f96389d737bf2e1e4c787ea8943ae499944;p=sbcl.git

diff --git a/src/code/cross-misc.lisp b/src/code/cross-misc.lisp
index 530782a..0e1e82e 100644
--- a/src/code/cross-misc.lisp
+++ b/src/code/cross-misc.lisp
@@ -125,6 +125,15 @@
   (declare (type symbol symbol))
   (sxhash symbol))
 
+(defvar sb!xc:*gensym-counter* 0)
+
+(defun sb!xc:gensym (&optional (thing "G"))
+  (declare (type string thing))
+  (let ((n sb!xc:*gensym-counter*))
+    (prog1
+        (make-symbol (concatenate 'string thing (write-to-string n :base 10 :radix nil :pretty nil)))
+      (incf sb!xc:*gensym-counter*))))
+
 ;;; These functions are needed for constant-folding.
 (defun sb!kernel:simple-array-nil-p (object)
   (when (typep object 'array)