diff options
Diffstat (limited to 'lisp/emacs-lisp/bytecomp.el')
| -rw-r--r-- | lisp/emacs-lisp/bytecomp.el | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/lisp/emacs-lisp/bytecomp.el b/lisp/emacs-lisp/bytecomp.el index aa28c747ff6..5efdd6a675c 100644 --- a/lisp/emacs-lisp/bytecomp.el +++ b/lisp/emacs-lisp/bytecomp.el @@ -3447,31 +3447,34 @@ discarding." (byte-defop-compiler nconc) (defun byte-compile-char-before (form) - (cond ((= 2 (length form)) + (cond ((or (= 1 (length form)) + (and (= 2 (length form)) (not (nth 1 form)))) + (byte-compile-form '(char-after (1- (point))))) + ((= 2 (length form)) (byte-compile-form (list 'char-after (if (numberp (nth 1 form)) (1- (nth 1 form)) `(1- ,(nth 1 form)))))) - ((= 1 (length form)) - (byte-compile-form '(char-after (1- (point))))) (t (byte-compile-subr-wrong-args form "0-1")))) ;; backward-... ==> forward-... with negated argument. (defun byte-compile-backward-char (form) - (cond ((= 2 (length form)) + (cond ((or (= 1 (length form)) + (and (= 2 (length form)) (not (nth 1 form)))) + (byte-compile-form '(forward-char -1))) + ((= 2 (length form)) (byte-compile-form (list 'forward-char (if (numberp (nth 1 form)) (- (nth 1 form)) `(- ,(nth 1 form)))))) - ((= 1 (length form)) - (byte-compile-form '(forward-char -1))) (t (byte-compile-subr-wrong-args form "0-1")))) (defun byte-compile-backward-word (form) - (cond ((= 2 (length form)) + (cond ((or (= 1 (length form)) + (and (= 2 (length form)) (not (nth 1 form)))) + (byte-compile-form '(forward-word -1))) + ((= 2 (length form)) (byte-compile-form (list 'forward-word (if (numberp (nth 1 form)) (- (nth 1 form)) `(- ,(nth 1 form)))))) - ((= 1 (length form)) - (byte-compile-form '(forward-word -1))) (t (byte-compile-subr-wrong-args form "0-1")))) (defun byte-compile-list (form) |