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(autoload-generated-file): New function.

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(update-file-autoloads, update-directory-autoloads): Use it.
(autoload-file-load-name): New function.
(generate-file-autoloads, update-file-autoloads): Use it.
(autoload-find-file): Accept non-absolute argument.  Set default-dir.
(generate-file-autoloads): If the autoloaded form is malformed,
indicate the problem with a warning instead of aborting.
This commit is contained in:
Stefan Monnier 2007-06-23 20:31:33 +00:00
parent 917c567261
commit 3b9795200f
2 changed files with 43 additions and 26 deletions
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59
lisp/emacs-lisp/autoload.el
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@ -41,15 +41,18 @@
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.")
(put 'generated-autoload-file 'safe-local-variable 'stringp)
(defconst generate-autoload-cookie ";;;###autoload"
;; This feels like it should be a defconst, but MH-E sets it to
;; ";;;###mh-autoload" for the autoloads that are to go into mh-loaddefs.el.
(defvar generate-autoload-cookie ";;;###autoload"
"Magic comment indicating the following form should be autoloaded.
Used by \\[update-file-autoloads]. This string should be
meaningless to Lisp (e.g., a comment).
This string is used:
;;;###autoload
\;;;###autoload
\(defun function-to-be-autoloaded () ...)
If this string appears alone on a line, the following form will be
@ -149,6 +152,10 @@ or macro definition or a defcustom)."
;; the doc-string in FORM.
;; Those properties are now set in lisp-mode.el.
(defun autoload-generated-file ()
(expand-file-name generated-autoload-file
(expand-file-name "lisp"
source-directory)))
(defun autoload-trim-file-name (file)
;; Returns a relative file path for FILE
@ -272,12 +279,14 @@ which lists the file name and which functions are in it, etc."
(defun autoload-find-file (file)
"Fetch file and put it in a temp buffer. Return the buffer."
;; It is faster to avoid visiting the file.
(setq file (expand-file-name file))
(with-current-buffer (get-buffer-create " *autoload-file*")
(kill-all-local-variables)
(erase-buffer)
(setq buffer-undo-list t
buffer-read-only nil)
(emacs-lisp-mode)
(setq default-directory (file-name-directory file))
(insert-file-contents file nil)
(let ((enable-local-variables :safe))
(hack-local-variables))
@ -286,6 +295,12 @@ which lists the file name and which functions are in it, etc."
(defvar no-update-autoloads nil
"File local variable to prevent scanning this file for autoload cookies.")
(defun autoload-file-load-name (file)
(let ((name (file-name-nondirectory file)))
(if (string-match "\\.elc?\\(\\.\\|\\'\\)" name)
(substring name 0 (match-beginning 0))
name)))
(defun generate-file-autoloads (file)
"Insert at point a loaddefs autoload section for FILE.
Autoloads are generated for defuns and defmacros in FILE
@ -296,10 +311,7 @@ Return non-nil in the case where no autoloads were added at point."
(interactive "fGenerate autoloads for file: ")
(let ((outbuf (current-buffer))
(autoloads-done '())
(load-name (let ((name (file-name-nondirectory file)))
(if (string-match "\\.elc?\\(\\.\\|$\\)" name)
(substring name 0 (match-beginning 0))
name)))
(load-name (autoload-file-load-name file))
(print-length nil)
(print-readably t) ; This does something in Lucid Emacs.
(float-output-format nil)
@ -342,15 +354,18 @@ Return non-nil in the case where no autoloads were added at point."
(skip-chars-forward " \t")
(setq done-any t)
(if (eolp)
;; Read the next form and make an autoload.
(let* ((form (prog1 (read (current-buffer))
(or (bolp) (forward-line 1))))
(autoload (make-autoload form load-name)))
(if autoload
(push (nth 1 form) autoloads-done)
(setq autoload form))
(let ((autoload-print-form-outbuf outbuf))
(autoload-print-form autoload)))
(condition-case err
;; Read the next form and make an autoload.
(let* ((form (prog1 (read (current-buffer))
(or (bolp) (forward-line 1))))
(autoload (make-autoload form load-name)))
(if autoload
(push (nth 1 form) autoloads-done)
(setq autoload form))
(let ((autoload-print-form-outbuf outbuf))
(autoload-print-form autoload)))
(error
(message "Error in %s: %S" file err)))
;; Copy the rest of the line to the output.
(princ (buffer-substring
@ -397,10 +412,7 @@ save the buffer too.
Return FILE if there was no autoload cookie in it, else nil."
(interactive "fUpdate autoloads for file: \np")
(let ((load-name (let ((name (file-name-nondirectory file)))
(if (string-match "\\.elc?\\(\\.\\|$\\)" name)
(substring name 0 (match-beginning 0))
name)))
(let ((load-name (autoload-file-load-name file))
(found nil)
(existing-buffer (get-file-buffer file))
(no-autoloads nil))
@ -413,10 +425,7 @@ Return FILE if there was no autoload cookie in it, else nil."
;; but still decode EOLs.
(let ((coding-system-for-read 'raw-text))
(set-buffer (find-file-noselect
(autoload-ensure-default-file
(expand-file-name generated-autoload-file
(expand-file-name "lisp"
source-directory)))))
(autoload-ensure-default-file (autoload-generated-file))))
;; This is to make generated-autoload-file have Unix EOLs, so
;; that it is portable to all platforms.
(setq buffer-file-coding-system 'raw-text-unix))
@ -500,9 +509,7 @@ directory or directories specified."
dirs)))
(this-time (current-time))
(no-autoloads nil) ;files with no autoload cookies.
(autoloads-file
(expand-file-name generated-autoload-file
(expand-file-name "lisp" source-directory)))
(autoloads-file (autoload-generated-file))
(top-dir (file-name-directory autoloads-file)))
(with-current-buffer