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Refactor for upcoming changes.

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(autoload-generate-file-autoloads): New function extracted from
generate-file-autoloads.  Use file-relative-name.  Delay computation of
output-start to the first cookie.  Remove done-any, replaced by
output-start.
(generate-file-autoloads): Use it.
(autoload-find-destination): Make use of `begin' var.
This commit is contained in:
Stefan Monnier 2007-06-25 03:48:10 +00:00
parent 57536a8371
commit ceea9b1803
2 changed files with 34 additions and 30 deletions
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5
lisp/ChangeLog
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@ -4,6 +4,11 @@
(autoload-find-destination): New function extracted from (autoload-find-destination): New function extracted from
update-file-autoloads. update-file-autoloads.
(update-file-autoloads): Use it. (update-file-autoloads): Use it.
(autoload-generate-file-autoloads): New function extracted from
generate-file-autoloads. Use file-relative-name. Delay computation of
output-start to the first cookie. Remove done-any, replaced by
output-start.
(generate-file-autoloads): Use it.
2007-06-24 Jay Belanger <jay.p.belanger@gmail.com> 2007-06-24 Jay Belanger <jay.p.belanger@gmail.com>

59
lisp/emacs-lisp/autoload.el
View file

@ -309,39 +309,32 @@ If FILE is being visited in a buffer, the contents of the buffer
are used. are used.
Return non-nil in the case where no autoloads were added at point." Return non-nil in the case where no autoloads were added at point."
(interactive "fGenerate autoloads for file: ") (interactive "fGenerate autoloads for file: ")
(let ((outbuf (current-buffer)) (autoload-generate-file-autoloads file (current-buffer)))
(autoloads-done '())
(defun autoload-generate-file-autoloads (file outbuf)
"Insert an autoload section for FILE in the appropriate buffer.
Autoloads are generated for defuns and defmacros in FILE
marked by `generate-autoload-cookie' (which see).
If FILE is being visited in a buffer, the contents of the buffer are used.
OUTBUF is the buffer in which the autoload statements will be inserted.
Return non-nil in the case where no autoloads were added in the buffer."
(let ((autoloads-done '())
(load-name (autoload-file-load-name file)) (load-name (autoload-file-load-name file))
(print-length nil) (print-length nil)
(print-readably t) ; This does something in Lucid Emacs. (print-readably t) ; This does something in Lucid Emacs.
(float-output-format nil) (float-output-format nil)
(done-any nil)
(visited (get-file-buffer file)) (visited (get-file-buffer file))
(absfile (expand-file-name file))
relfile
;; nil until we found a cookie.
output-start) output-start)
;; If the autoload section we create here uses an absolute
;; file name for FILE in its header, and then Emacs is installed
;; under a different path on another system,
;; `update-autoloads-here' won't be able to find the files to be
;; autoloaded. So, if FILE is in the same directory or a
;; subdirectory of the current buffer's directory, we'll make it
;; relative to the current buffer's directory.
(setq file (expand-file-name file))
(let* ((source-truename (file-truename file))
(dir-truename (file-name-as-directory
(file-truename default-directory)))
(len (length dir-truename)))
(if (and (< len (length source-truename))
(string= dir-truename (substring source-truename 0 len)))
(setq file (substring source-truename len))))
(with-current-buffer (or visited (with-current-buffer (or visited
;; It is faster to avoid visiting the file. ;; It is faster to avoid visiting the file.
(autoload-find-file file)) (autoload-find-file file))
;; Obey the no-update-autoloads file local variable. ;; Obey the no-update-autoloads file local variable.
(unless no-update-autoloads (unless no-update-autoloads
(message "Generating autoloads for %s..." file) (message "Generating autoloads for %s..." file)
(setq output-start (with-current-buffer outbuf (point)))
(save-excursion (save-excursion
(save-restriction (save-restriction
(widen) (widen)
@ -350,9 +343,16 @@ Return non-nil in the case where no autoloads were added at point."
(skip-chars-forward " \t\n\f") (skip-chars-forward " \t\n\f")
(cond (cond
((looking-at (regexp-quote generate-autoload-cookie)) ((looking-at (regexp-quote generate-autoload-cookie))
;; If not done yet, figure out where to insert this text.
(unless output-start
(with-current-buffer outbuf
(setq relfile (file-relative-name absfile))
(setq output-start (point)))
;; (message "file=%S, relfile=%S, dest=%S"
;; file relfile (autoload-generated-file))
)
(search-forward generate-autoload-cookie) (search-forward generate-autoload-cookie)
(skip-chars-forward " \t") (skip-chars-forward " \t")
(setq done-any t)
(if (eolp) (if (eolp)
(condition-case err (condition-case err
;; Read the next form and make an autoload. ;; Read the next form and make an autoload.
@ -385,23 +385,22 @@ Return non-nil in the case where no autoloads were added at point."
(forward-sexp 1) (forward-sexp 1)
(forward-line 1)))))) (forward-line 1))))))
(when done-any (when output-start
(with-current-buffer outbuf (with-current-buffer outbuf
(save-excursion (save-excursion
;; Insert the section-header line which lists the file name ;; Insert the section-header line which lists the file name
;; and which functions are in it, etc. ;; and which functions are in it, etc.
(goto-char output-start) (goto-char output-start)
(autoload-insert-section-header (autoload-insert-section-header
outbuf autoloads-done load-name file outbuf autoloads-done load-name relfile
(nth 5 (file-attributes file))) (nth 5 (file-attributes relfile)))
(insert ";;; Generated autoloads from " (insert ";;; Generated autoloads from " relfile "\n"))
(autoload-trim-file-name file) "\n"))
(insert generate-autoload-section-trailer))) (insert generate-autoload-section-trailer)))
(message "Generating autoloads for %s...done" file)) (message "Generating autoloads for %s...done" file))
(or visited (or visited
;; We created this buffer, so we should kill it. ;; We created this buffer, so we should kill it.
(kill-buffer (current-buffer)))) (kill-buffer (current-buffer))))
(not done-any))) (not output-start)))
;;;###autoload ;;;###autoload
(defun update-file-autoloads (file &optional save-after) (defun update-file-autoloads (file &optional save-after)
@ -467,13 +466,13 @@ to call it from a dummy buffer if FILE is not currently visited."
;; Check if it is up to date. ;; Check if it is up to date.
(let ((begin (match-beginning 0)) (let ((begin (match-beginning 0))
(last-time (nth 4 form)) (last-time (nth 4 form))
(file-time (nth 5 (file-attributes file)))) (file-time (nth 5 (file-attributes file))))
(if (and (or (null existing-buffer) (if (and (or (null existing-buffer)
(not (buffer-modified-p existing-buffer))) (not (buffer-modified-p existing-buffer)))
(listp last-time) (= (length last-time) 2) (listp last-time) (= (length last-time) 2)
(not (time-less-p last-time file-time))) (not (time-less-p last-time file-time)))
(throw 'up-to-date nil) (throw 'up-to-date nil)
(autoload-remove-section (match-beginning 0)) (autoload-remove-section begin)
(setq found t)))) (setq found t))))
((string< load-name (nth 2 form)) ((string< load-name (nth 2 form))
;; We've come to a section alphabetically later than ;; We've come to a section alphabetically later than