- (extension nil extension-p))
- #!+sb-doc
- "This is like VECTOR-PUSH except that if the fill pointer gets too
- large, VECTOR is extended to allow the push to work."
- (declare (type vector vector))
- (let ((old-fill-pointer (fill-pointer vector)))
- (declare (type index old-fill-pointer))
- (when (= old-fill-pointer (%array-available-elements vector))
- (adjust-array vector (+ old-fill-pointer
- (if extension-p
- (the (integer 1 #.most-positive-fixnum)
- extension)
- (1+ old-fill-pointer)))))
- (setf (%array-fill-pointer vector)
- (1+ old-fill-pointer))
- ;; Wrapping the type test and the AREF in the same WITH-ARRAY-DATA
- ;; saves some time.
- (with-array-data ((v vector) (i old-fill-pointer) (end)
- :force-inline t)
- (declare (ignore end) (optimize (safety 0)))
- (if (simple-vector-p v) ; if common special case
- (setf (aref v i) new-element)
- (setf (aref v i) new-element)))
- old-fill-pointer))
-
-(defun vector-push-extend (new-element
- vector
- &optional