;; autoload.el --- maintain autoloads in loaddefs.el
-;; Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 2001, 2002, 2003,
-;; 2004, 2005, 2006, 2007, 2008, 2009, 2010
-;; Free Software Foundation, Inc.
+;; Copyright (C) 1991-1997, 2001-2011 Free Software Foundation, Inc.
;; Author: Roland McGrath <roland@gnu.org>
;; Keywords: maint
(require 'help-fns) ;for help-add-fundoc-usage.
(eval-when-compile (require 'cl))
-(defvar generated-autoload-file "loaddefs.el"
- "*File \\[update-file-autoloads] puts autoloads into.
-A `.el' file can set this in its local variables section to make its
-autoloads go somewhere else. The autoload file is assumed to contain a
-trailer starting with a FormFeed character.")
+(defvar generated-autoload-file nil
+ "File into which to write autoload definitions.
+A Lisp file can set this in its local variables section to make
+its autoloads go somewhere else.
+
+If this is a relative file name, the directory is determined as
+follows:
+ - If a Lisp file defined `generated-autoload-file' as a
+ file-local variable, use its containing directory.
+ - Otherwise use the \"lisp\" subdirectory of `source-directory'.
+
+The autoload file is assumed to contain a trailer starting with a
+FormFeed character.")
;;;###autoload
(put 'generated-autoload-file 'safe-local-variable 'stringp)
;; Special case to autoload some of the macro's declarations.
(let ((decls (nth (if (stringp (nth 3 form)) 4 3) form))
(exps '()))
- (when (eq (car decls) 'declare)
+ (when (eq (car-safe decls) 'declare)
;; FIXME: We'd like to reuse macro-declaration-function,
;; but we can't since it doesn't return anything.
(dolist (decl decls)
;; the doc-string in FORM.
;; Those properties are now set in lisp-mode.el.
+(defun autoload-find-generated-file ()
+ "Visit the autoload file for the current buffer, and return its buffer.
+If a buffer is visiting the desired autoload file, return it."
+ (let ((enable-local-variables :safe))
+ ;; We used to use `raw-text' to read this file, but this causes
+ ;; problems when the file contains non-ASCII characters.
+ (find-file-noselect
+ (autoload-ensure-default-file (autoload-generated-file)))))
+
(defun autoload-generated-file ()
(expand-file-name generated-autoload-file
;; File-local settings of generated-autoload-file should
are used.
Return non-nil in the case where no autoloads were added at point."
(interactive "fGenerate autoloads for file: ")
- (autoload-generate-file-autoloads file (current-buffer)))
+ (let ((generated-autoload-file buffer-file-name))
+ (autoload-generate-file-autoloads file (current-buffer))))
(defvar print-readably)
(marker-buffer output-start)))
(autoload-print-form autoload)))
(error
- (message "Error in %s: %S" file err)))
+ (message "Autoload cookie error in %s:%s %S"
+ file (count-lines (point-min) (point)) err)))
;; Copy the rest of the line to the output.
(princ (buffer-substring
(defun autoload-save-buffers ()
(while autoload-modified-buffers
(with-current-buffer (pop autoload-modified-buffers)
- (save-buffer))))
+ (let ((version-control 'never))
+ (save-buffer)))))
;;;###autoload
-(defun update-file-autoloads (file &optional save-after)
- "Update the autoloads for FILE in `generated-autoload-file'
-\(which FILE might bind in its local variables).
-If SAVE-AFTER is non-nil (which is always, when called interactively),
-save the buffer too.
+(defun update-file-autoloads (file &optional save-after outfile)
+ "Update the autoloads for FILE.
+If prefix arg SAVE-AFTER is non-nil, save the buffer too.
+
+If FILE binds `generated-autoload-file' as a file-local variable,
+autoloads are written into that file. Otherwise, the autoloads
+file is determined by OUTFILE. If called interactively, prompt
+for OUTFILE; if called from Lisp with OUTFILE nil, use the
+existing value of `generated-autoload-file'.
Return FILE if there was no autoload cookie in it, else nil."
- (interactive "fUpdate autoloads for file: \np")
- (let* ((autoload-modified-buffers nil)
+ (interactive (list (read-file-name "Update autoloads for file: ")
+ current-prefix-arg
+ (read-file-name "Write autoload definitions to file: ")))
+ (let* ((generated-autoload-file (or outfile generated-autoload-file))
+ (autoload-modified-buffers nil)
(no-autoloads (autoload-generate-file-autoloads file)))
(if autoload-modified-buffers
(if save-after (autoload-save-buffers))
(let* ((buf (current-buffer))
(existing-buffer (if buffer-file-name buf))
(found nil))
- (with-current-buffer
- ;; We used to use `raw-text' to read this file, but this causes
- ;; problems when the file contains non-ASCII characters.
- (find-file-noselect
- (autoload-ensure-default-file (autoload-generated-file)))
+ (with-current-buffer (autoload-find-generated-file)
;; This is to make generated-autoload-file have Unix EOLs, so
;; that it is portable to all platforms.
- (unless (zerop (coding-system-eol-type buffer-file-coding-system))
- (set-buffer-file-coding-system 'unix))
+ (or (eq 0 (coding-system-eol-type buffer-file-coding-system))
+ (set-buffer-file-coding-system 'unix))
(or (> (buffer-size) 0)
(error "Autoloads file %s lacks boilerplate" buffer-file-name))
(or (file-writable-p buffer-file-name)
;;;###autoload
(defun update-directory-autoloads (&rest dirs)
- "\
-Update loaddefs.el with all the current autoloads from DIRS, and no old ones.
-This uses `update-file-autoloads' (which see) to do its work.
-In an interactive call, you must give one argument, the name
-of a single directory. In a call from Lisp, you can supply multiple
+ "Update autoload definitions for Lisp files in the directories DIRS.
+In an interactive call, you must give one argument, the name of a
+single directory. In a call from Lisp, you can supply multiple
directories as separate arguments, but this usage is discouraged.
The function does NOT recursively descend into subdirectories of the
-directory or directories specified."
+directory or directories specified.
+
+In an interactive call, prompt for a default output file for the
+autoload definitions, and temporarily bind the variable
+`generated-autoload-file' to this value. When called from Lisp,
+use the existing value of `generated-autoload-file'. If any Lisp
+file binds `generated-autoload-file' as a file-local variable,
+write its autoloads into the specified file instead."
(interactive "DUpdate autoloads from directory: ")
(let* ((files-re (let ((tmp nil))
(dolist (suf (get-load-suffixes)
;; Files with no autoload cookies or whose autoloads go to other
;; files because of file-local autoload-generated-file settings.
(no-autoloads nil)
- (autoload-modified-buffers nil))
+ (autoload-modified-buffers nil)
+ (generated-autoload-file
+ (if (called-interactively-p 'interactive)
+ (read-file-name "Write autoload definitions to file: ")
+ generated-autoload-file)))
- (with-current-buffer
- (find-file-noselect
- (autoload-ensure-default-file (autoload-generated-file)))
+ (with-current-buffer (autoload-find-generated-file)
(save-excursion
-
;; Canonicalize file names and remove the autoload file itself.
(setq files (delete (file-relative-name buffer-file-name)
(mapcar 'file-relative-name files)))
(current-buffer) nil nil no-autoloads this-time)
(insert generate-autoload-section-trailer))
- (save-buffer)
+ (let ((version-control 'never))
+ (save-buffer))
;; In case autoload entries were added to other files because of
;; file-local autoload-generated-file settings.
(autoload-save-buffers))))
;;;###autoload
(defun batch-update-autoloads ()
"Update loaddefs.el autoloads in batch mode.
-Calls `update-directory-autoloads' on the command line arguments."
+Calls `update-directory-autoloads' on the command line arguments.
+Definitions are written to `generated-autoload-file' (which
+should be non-nil)."
;; For use during the Emacs build process only.
(unless autoload-excludes
(let* ((ldir (file-name-directory generated-autoload-file))
(with-temp-buffer
(insert-file-contents mfile)
(when (re-search-forward "^shortlisp= " nil t)
- (setq lim (line-end-position))
- (while (re-search-forward "\\.\\./lisp/\\([^ ]+\\.el\\)c?\\>"
- lim t)
+ (while (and (not lim)
+ (re-search-forward "\\.\\./lisp/\\([^ ]+\\.el\\)c?\\>"
+ nil t))
(push (expand-file-name (match-string 1) ldir)
- autoload-excludes))))))))
+ autoload-excludes)
+ (skip-chars-forward " \t")
+ (if (eolp) (setq lim t)))))))))
(let ((args command-line-args-left))
(setq command-line-args-left nil)
(apply 'update-directory-autoloads args)))
(provide 'autoload)
-;; arch-tag: 00244766-98f4-4767-bf42-8a22103441c6
;;; autoload.el ends here