Function: macroexp--maxsize

macroexp--maxsize is a byte-compiled function defined in macroexp.el.gz.

Signature

(macroexp--maxsize EXP SIZE)

Source Code

;; Defined in /usr/src/emacs/lisp/emacs-lisp/macroexp.el.gz
(defun macroexp--maxsize (exp size)
  (cond ((< size 0) size)
        ((symbolp exp) (1- size))
        ((stringp exp) (- size (/ (length exp) 16)))
        ((vectorp exp)
         (dotimes (i (length exp))
           (setq size (macroexp--maxsize (aref exp i) size)))
         (1- size))
        ((consp exp)
         ;; We could try to be more clever with quote&function,
         ;; but it is difficult to do so correctly, and it's not obvious that
         ;; it would be worth the effort.
         (dolist (e exp)
           (setq size (macroexp--maxsize e size)))
         (1- size))
        (t -1)))