Commit | Line | Data |
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56eebc29 | 1 | ;; autoload.el --- maintain autoloads in loaddefs.el |
c0274f38 | 2 | |
b7a45ee1 | 3 | ;; Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 2001, 2002, 2003, |
ae940284 | 4 | ;; 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc. |
b578f267 | 5 | |
5762abec | 6 | ;; Author: Roland McGrath <roland@gnu.org> |
e9571d2a | 7 | ;; Keywords: maint |
e5167999 | 8 | |
b578f267 EN |
9 | ;; This file is part of GNU Emacs. |
10 | ||
d6cba7ae | 11 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
b578f267 | 12 | ;; it under the terms of the GNU General Public License as published by |
d6cba7ae GM |
13 | ;; the Free Software Foundation, either version 3 of the License, or |
14 | ;; (at your option) any later version. | |
b578f267 EN |
15 | |
16 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
17 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | ;; GNU General Public License for more details. | |
20 | ||
21 | ;; You should have received a copy of the GNU General Public License | |
d6cba7ae | 22 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
0231f2dc | 23 | |
07b3798c | 24 | ;;; Commentary: |
e41b2db1 | 25 | |
00ee57f3 | 26 | ;; This code helps GNU Emacs maintainers keep the loaddefs.el file up to |
e41b2db1 ER |
27 | ;; date. It interprets magic cookies of the form ";;;###autoload" in |
28 | ;; lisp source files in various useful ways. To learn more, read the | |
29 | ;; source; if you're going to use this, you'd better be able to. | |
30 | ||
e5167999 ER |
31 | ;;; Code: |
32 | ||
b0daab9a | 33 | (require 'lisp-mode) ;for `doc-string-elt' properties. |
890df022 | 34 | (require 'help-fns) ;for help-add-fundoc-usage. |
6826a134 | 35 | (eval-when-compile (require 'cl)) |
b0daab9a | 36 | |
0ceb5fe0 RS |
37 | (defvar generated-autoload-file "loaddefs.el" |
38 | "*File \\[update-file-autoloads] puts autoloads into. | |
39 | A `.el' file can set this in its local variables section to make its | |
c8aca7d1 KH |
40 | autoloads go somewhere else. The autoload file is assumed to contain a |
41 | trailer starting with a FormFeed character.") | |
a25beddb | 42 | ;;;###autoload |
3b979520 | 43 | (put 'generated-autoload-file 'safe-local-variable 'stringp) |
0ceb5fe0 | 44 | |
15120dec CY |
45 | (defvar generated-autoload-feature nil |
46 | "Feature for `generated-autoload-file' to provide. | |
47 | If nil, this defaults to `generated-autoload-file', sans extension.") | |
48 | ;;;###autoload | |
49 | (put 'generated-autoload-feature 'safe-local-variable 'symbolp) | |
50 | ||
51 | (defvar generated-autoload-load-name nil | |
52 | "Load name for `autoload' statements generated from autoload cookies. | |
53 | If nil, this defaults to the file name, sans extension.") | |
54 | ;;;###autoload | |
55 | (put 'generated-autoload-load-name 'safe-local-variable 'stringp) | |
56 | ||
3b979520 SM |
57 | ;; This feels like it should be a defconst, but MH-E sets it to |
58 | ;; ";;;###mh-autoload" for the autoloads that are to go into mh-loaddefs.el. | |
59 | (defvar generate-autoload-cookie ";;;###autoload" | |
0ceb5fe0 RS |
60 | "Magic comment indicating the following form should be autoloaded. |
61 | Used by \\[update-file-autoloads]. This string should be | |
62 | meaningless to Lisp (e.g., a comment). | |
63 | ||
64 | This string is used: | |
65 | ||
3b979520 | 66 | \;;;###autoload |
0ceb5fe0 RS |
67 | \(defun function-to-be-autoloaded () ...) |
68 | ||
69 | If this string appears alone on a line, the following form will be | |
70 | read and an autoload made for it. If there is further text on the line, | |
71 | that text will be copied verbatim to `generated-autoload-file'.") | |
72 | ||
a0436952 GM |
73 | (defvar autoload-excludes nil |
74 | "If non-nil, list of absolute file names not to scan for autoloads.") | |
75 | ||
0ceb5fe0 | 76 | (defconst generate-autoload-section-header "\f\n;;;### " |
2336b6a9 | 77 | "String that marks the form at the start of a new file's autoload section.") |
0ceb5fe0 RS |
78 | |
79 | (defconst generate-autoload-section-trailer "\n;;;***\n" | |
80 | "String which indicates the end of the section of autoloads for a file.") | |
81 | ||
2336b6a9 KH |
82 | (defconst generate-autoload-section-continuation ";;;;;; " |
83 | "String to add on each continuation of the section header form.") | |
84 | ||
1fad2b12 SM |
85 | (defvar autoload-modified-buffers) ;Dynamically scoped var. |
86 | ||
0231f2dc | 87 | (defun make-autoload (form file) |
ceaa3695 | 88 | "Turn FORM into an autoload or defvar for source file FILE. |
e8139c11 SM |
89 | Returns nil if FORM is not a special autoload form (i.e. a function definition |
90 | or macro definition or a defcustom)." | |
91 | (let ((car (car-safe form)) expand) | |
92 | (cond | |
93 | ;; For complex cases, try again on the macro-expansion. | |
1b39b493 | 94 | ((and (memq car '(easy-mmode-define-global-mode define-global-minor-mode |
32324290 | 95 | define-globalized-minor-mode |
e8139c11 SM |
96 | easy-mmode-define-minor-mode define-minor-mode)) |
97 | (setq expand (let ((load-file-name file)) (macroexpand form))) | |
98 | (eq (car expand) 'progn) | |
99 | (memq :autoload-end expand)) | |
100 | (let ((end (memq :autoload-end expand))) | |
101 | ;; Cut-off anything after the :autoload-end marker. | |
102 | (setcdr end nil) | |
103 | (cons 'progn | |
104 | (mapcar (lambda (form) (make-autoload form file)) | |
105 | (cdr expand))))) | |
106 | ||
107 | ;; For special function-like operators, use the `autoload' function. | |
108 | ((memq car '(defun define-skeleton defmacro define-derived-mode | |
c6a3142d JL |
109 | define-compilation-mode define-generic-mode |
110 | easy-mmode-define-global-mode define-global-minor-mode | |
32324290 | 111 | define-globalized-minor-mode |
c6a3142d | 112 | easy-mmode-define-minor-mode define-minor-mode |
15120dec | 113 | defun* defmacro* define-overloadable-function)) |
74312ddc | 114 | (let* ((macrop (memq car '(defmacro defmacro*))) |
e8139c11 | 115 | (name (nth 1 form)) |
6826a134 | 116 | (args (case car |
15120dec CY |
117 | ((defun defmacro defun* defmacro* |
118 | define-overloadable-function) (nth 2 form)) | |
6826a134 | 119 | ((define-skeleton) '(&optional str arg)) |
bec34fb0 TTN |
120 | ((define-generic-mode define-derived-mode |
121 | define-compilation-mode) nil) | |
6826a134 | 122 | (t))) |
e8139c11 SM |
123 | (body (nthcdr (get car 'doc-string-elt) form)) |
124 | (doc (if (stringp (car body)) (pop body)))) | |
890df022 SM |
125 | (when (listp args) |
126 | ;; Add the usage form at the end where describe-function-1 | |
127 | ;; can recover it. | |
128 | (setq doc (help-add-fundoc-usage doc args))) | |
e8139c11 SM |
129 | ;; `define-generic-mode' quotes the name, so take care of that |
130 | (list 'autoload (if (listp name) name (list 'quote name)) file doc | |
131 | (or (and (memq car '(define-skeleton define-derived-mode | |
132 | define-generic-mode | |
133 | easy-mmode-define-global-mode | |
c6a3142d | 134 | define-global-minor-mode |
32324290 | 135 | define-globalized-minor-mode |
e8139c11 SM |
136 | easy-mmode-define-minor-mode |
137 | define-minor-mode)) t) | |
138 | (eq (car-safe (car body)) 'interactive)) | |
139 | (if macrop (list 'quote 'macro) nil)))) | |
140 | ||
15120dec CY |
141 | ;; For defclass forms, use `eieio-defclass-autoload'. |
142 | ((eq car 'defclass) | |
143 | (let ((name (nth 1 form)) | |
144 | (superclasses (nth 2 form)) | |
145 | (doc (nth 4 form))) | |
146 | (list 'eieio-defclass-autoload (list 'quote name) | |
147 | (list 'quote superclasses) file doc))) | |
148 | ||
d49298d9 | 149 | ;; Convert defcustom to less space-consuming data. |
e8139c11 SM |
150 | ((eq car 'defcustom) |
151 | (let ((varname (car-safe (cdr-safe form))) | |
152 | (init (car-safe (cdr-safe (cdr-safe form)))) | |
153 | (doc (car-safe (cdr-safe (cdr-safe (cdr-safe form))))) | |
d49298d9 MR |
154 | ;; (rest (cdr-safe (cdr-safe (cdr-safe (cdr-safe form))))) |
155 | ) | |
156 | `(progn | |
157 | (defvar ,varname ,init ,doc) | |
fb2dd970 SM |
158 | (custom-autoload ',varname ,file |
159 | ,(condition-case nil | |
160 | (null (cadr (memq :set form))) | |
161 | (error nil)))))) | |
e8139c11 | 162 | |
1bddeeed SM |
163 | ((eq car 'defgroup) |
164 | ;; In Emacs this is normally handled separately by cus-dep.el, but for | |
165 | ;; third party packages, it can be convenient to explicitly autoload | |
166 | ;; a group. | |
167 | (let ((groupname (nth 1 form))) | |
168 | `(let ((loads (get ',groupname 'custom-loads))) | |
169 | (if (member ',file loads) nil | |
170 | (put ',groupname 'custom-loads (cons ',file loads)))))) | |
171 | ||
e8139c11 SM |
172 | ;; nil here indicates that this is not a special autoload form. |
173 | (t nil)))) | |
0231f2dc | 174 | |
890df022 SM |
175 | ;; Forms which have doc-strings which should be printed specially. |
176 | ;; A doc-string-elt property of ELT says that (nth ELT FORM) is | |
177 | ;; the doc-string in FORM. | |
178 | ;; Those properties are now set in lisp-mode.el. | |
fc89daee | 179 | |
3b979520 SM |
180 | (defun autoload-generated-file () |
181 | (expand-file-name generated-autoload-file | |
438d6bb6 SM |
182 | ;; File-local settings of generated-autoload-file should |
183 | ;; be interpreted relative to the file's location, | |
184 | ;; of course. | |
185 | (if (not (local-variable-p 'generated-autoload-file)) | |
186 | (expand-file-name "lisp" source-directory)))) | |
0231f2dc | 187 | |
72c19d97 | 188 | |
2336b6a9 KH |
189 | (defun autoload-read-section-header () |
190 | "Read a section header form. | |
191 | Since continuation lines have been marked as comments, | |
192 | we must copy the text of the form and remove those comment | |
193 | markers before we call `read'." | |
194 | (save-match-data | |
195 | (let ((beginning (point)) | |
196 | string) | |
197 | (forward-line 1) | |
198 | (while (looking-at generate-autoload-section-continuation) | |
199 | (forward-line 1)) | |
200 | (setq string (buffer-substring beginning (point))) | |
201 | (with-current-buffer (get-buffer-create " *autoload*") | |
202 | (erase-buffer) | |
203 | (insert string) | |
204 | (goto-char (point-min)) | |
205 | (while (search-forward generate-autoload-section-continuation nil t) | |
206 | (replace-match " ")) | |
207 | (goto-char (point-min)) | |
208 | (read (current-buffer)))))) | |
209 | ||
ac644d50 JB |
210 | (defvar autoload-print-form-outbuf nil |
211 | "Buffer which gets the output of `autoload-print-form'.") | |
4a3c5b3a | 212 | |
a8add29d | 213 | (defun autoload-print-form (form) |
4a3c5b3a RS |
214 | "Print FORM such that `make-docfile' will find the docstrings. |
215 | The variable `autoload-print-form-outbuf' specifies the buffer to | |
216 | put the output in." | |
a8add29d SM |
217 | (cond |
218 | ;; If the form is a sequence, recurse. | |
219 | ((eq (car form) 'progn) (mapcar 'autoload-print-form (cdr form))) | |
220 | ;; Symbols at the toplevel are meaningless. | |
221 | ((symbolp form) nil) | |
222 | (t | |
4a3c5b3a RS |
223 | (let ((doc-string-elt (get (car-safe form) 'doc-string-elt)) |
224 | (outbuf autoload-print-form-outbuf)) | |
a8add29d SM |
225 | (if (and doc-string-elt (stringp (nth doc-string-elt form))) |
226 | ;; We need to hack the printing because the | |
227 | ;; doc-string must be printed specially for | |
228 | ;; make-docfile (sigh). | |
229 | (let* ((p (nthcdr (1- doc-string-elt) form)) | |
230 | (elt (cdr p))) | |
231 | (setcdr p nil) | |
232 | (princ "\n(" outbuf) | |
233 | (let ((print-escape-newlines t) | |
9d8563ca | 234 | (print-quoted t) |
a8add29d | 235 | (print-escape-nonascii t)) |
7dab57b6 RS |
236 | (dolist (elt form) |
237 | (prin1 elt outbuf) | |
238 | (princ " " outbuf))) | |
a8add29d SM |
239 | (princ "\"\\\n" outbuf) |
240 | (let ((begin (with-current-buffer outbuf (point)))) | |
241 | (princ (substring (prin1-to-string (car elt)) 1) | |
242 | outbuf) | |
243 | ;; Insert a backslash before each ( that | |
244 | ;; appears at the beginning of a line in | |
245 | ;; the doc string. | |
246 | (with-current-buffer outbuf | |
247 | (save-excursion | |
890df022 | 248 | (while (re-search-backward "\n[[(]" begin t) |
a8add29d SM |
249 | (forward-char 1) |
250 | (insert "\\")))) | |
251 | (if (null (cdr elt)) | |
252 | (princ ")" outbuf) | |
253 | (princ " " outbuf) | |
254 | (princ (substring (prin1-to-string (cdr elt)) 1) | |
255 | outbuf)) | |
256 | (terpri outbuf))) | |
257 | (let ((print-escape-newlines t) | |
9d8563ca | 258 | (print-quoted t) |
a8add29d SM |
259 | (print-escape-nonascii t)) |
260 | (print form outbuf))))))) | |
261 | ||
a98f63d4 GM |
262 | (defun autoload-rubric (file &optional type) |
263 | "Return a string giving the appropriate autoload rubric for FILE. | |
264 | TYPE (default \"autoloads\") is a string stating the type of | |
265 | information contained in FILE." | |
266 | (let ((basename (file-name-nondirectory file))) | |
267 | (concat ";;; " basename | |
268 | " --- automatically extracted " (or type "autoloads") "\n" | |
269 | ";;\n" | |
270 | ";;; Code:\n\n" | |
271 | "\f\n" | |
15120dec CY |
272 | "(provide '" |
273 | (if (and generated-autoload-feature | |
274 | (symbolp generated-autoload-feature)) | |
275 | (format "%s" generated-autoload-feature) | |
276 | (file-name-sans-extension basename)) | |
277 | ")\n" | |
a98f63d4 GM |
278 | ";; Local Variables:\n" |
279 | ";; version-control: never\n" | |
280 | ";; no-byte-compile: t\n" | |
281 | ";; no-update-autoloads: t\n" | |
e542c600 | 282 | ";; coding: utf-8\n" |
a98f63d4 GM |
283 | ";; End:\n" |
284 | ";;; " basename | |
285 | " ends here\n"))) | |
286 | ||
a273d3e0 GM |
287 | (defun autoload-ensure-default-file (file) |
288 | "Make sure that the autoload file FILE exists and if not create it." | |
289 | (unless (file-exists-p file) | |
a98f63d4 | 290 | (write-region (autoload-rubric file) nil file)) |
a273d3e0 GM |
291 | file) |
292 | ||
293 | (defun autoload-insert-section-header (outbuf autoloads load-name file time) | |
294 | "Insert the section-header line, | |
295 | which lists the file name and which functions are in it, etc." | |
296 | (insert generate-autoload-section-header) | |
1fad2b12 | 297 | (prin1 (list 'autoloads autoloads load-name file time) |
a273d3e0 GM |
298 | outbuf) |
299 | (terpri outbuf) | |
300 | ;; Break that line at spaces, to avoid very long lines. | |
301 | ;; Make each sub-line into a comment. | |
302 | (with-current-buffer outbuf | |
303 | (save-excursion | |
304 | (forward-line -1) | |
305 | (while (not (eolp)) | |
306 | (move-to-column 64) | |
307 | (skip-chars-forward "^ \n") | |
308 | (or (eolp) | |
309 | (insert "\n" generate-autoload-section-continuation)))))) | |
310 | ||
69135525 SM |
311 | (defun autoload-find-file (file) |
312 | "Fetch file and put it in a temp buffer. Return the buffer." | |
313 | ;; It is faster to avoid visiting the file. | |
3b979520 | 314 | (setq file (expand-file-name file)) |
69135525 SM |
315 | (with-current-buffer (get-buffer-create " *autoload-file*") |
316 | (kill-all-local-variables) | |
317 | (erase-buffer) | |
318 | (setq buffer-undo-list t | |
319 | buffer-read-only nil) | |
320 | (emacs-lisp-mode) | |
3b979520 | 321 | (setq default-directory (file-name-directory file)) |
69135525 SM |
322 | (insert-file-contents file nil) |
323 | (let ((enable-local-variables :safe)) | |
324 | (hack-local-variables)) | |
325 | (current-buffer))) | |
326 | ||
b17b8839 SM |
327 | (defvar no-update-autoloads nil |
328 | "File local variable to prevent scanning this file for autoload cookies.") | |
329 | ||
3b979520 SM |
330 | (defun autoload-file-load-name (file) |
331 | (let ((name (file-name-nondirectory file))) | |
332 | (if (string-match "\\.elc?\\(\\.\\|\\'\\)" name) | |
333 | (substring name 0 (match-beginning 0)) | |
334 | name))) | |
335 | ||
0231f2dc JB |
336 | (defun generate-file-autoloads (file) |
337 | "Insert at point a loaddefs autoload section for FILE. | |
b17b8839 | 338 | Autoloads are generated for defuns and defmacros in FILE |
da8826b4 | 339 | marked by `generate-autoload-cookie' (which see). |
0231f2dc | 340 | If FILE is being visited in a buffer, the contents of the buffer |
b17b8839 SM |
341 | are used. |
342 | Return non-nil in the case where no autoloads were added at point." | |
0231f2dc | 343 | (interactive "fGenerate autoloads for file: ") |
ceea9b18 SM |
344 | (autoload-generate-file-autoloads file (current-buffer))) |
345 | ||
438d6bb6 SM |
346 | ;; When called from `generate-file-autoloads' we should ignore |
347 | ;; `generated-autoload-file' altogether. When called from | |
348 | ;; `update-file-autoloads' we don't know `outbuf'. And when called from | |
349 | ;; `update-directory-autoloads' it's in between: we know the default | |
350 | ;; `outbuf' but we should obey any file-local setting of | |
351 | ;; `generated-autoload-file'. | |
352 | (defun autoload-generate-file-autoloads (file &optional outbuf outfile) | |
ceea9b18 SM |
353 | "Insert an autoload section for FILE in the appropriate buffer. |
354 | Autoloads are generated for defuns and defmacros in FILE | |
355 | marked by `generate-autoload-cookie' (which see). | |
356 | If FILE is being visited in a buffer, the contents of the buffer are used. | |
438d6bb6 | 357 | OUTBUF is the buffer in which the autoload statements should be inserted. |
986c5ad5 | 358 | If OUTBUF is nil, it will be determined by `autoload-generated-file'. |
e66466a6 | 359 | |
438d6bb6 SM |
360 | If provided, OUTFILE is expected to be the file name of OUTBUF. |
361 | If OUTFILE is non-nil and FILE specifies a `generated-autoload-file' | |
362 | different from OUTFILE, then OUTBUF is ignored. | |
363 | ||
1603d855 | 364 | Return non-nil if and only if FILE adds no autoloads to OUTFILE |
438d6bb6 | 365 | \(or OUTBUF if OUTFILE is nil)." |
1fad2b12 SM |
366 | (catch 'done |
367 | (let ((autoloads-done '()) | |
15120dec | 368 | load-name |
1fad2b12 | 369 | (print-length nil) |
a113b3ca | 370 | (print-level nil) |
1fad2b12 SM |
371 | (print-readably t) ; This does something in Lucid Emacs. |
372 | (float-output-format nil) | |
373 | (visited (get-file-buffer file)) | |
438d6bb6 | 374 | (otherbuf nil) |
1fad2b12 SM |
375 | (absfile (expand-file-name file)) |
376 | relfile | |
377 | ;; nil until we found a cookie. | |
378 | output-start) | |
a0436952 GM |
379 | (if (member absfile autoload-excludes) |
380 | (message "Generating autoloads for %s...skipped" file) | |
1fad2b12 SM |
381 | (with-current-buffer (or visited |
382 | ;; It is faster to avoid visiting the file. | |
383 | (autoload-find-file file)) | |
384 | ;; Obey the no-update-autoloads file local variable. | |
385 | (unless no-update-autoloads | |
386 | (message "Generating autoloads for %s..." file) | |
15120dec CY |
387 | (setq load-name |
388 | (if (stringp generated-autoload-load-name) | |
389 | generated-autoload-load-name | |
390 | (autoload-file-load-name file))) | |
1fad2b12 SM |
391 | (save-excursion |
392 | (save-restriction | |
393 | (widen) | |
394 | (goto-char (point-min)) | |
395 | (while (not (eobp)) | |
396 | (skip-chars-forward " \t\n\f") | |
397 | (cond | |
398 | ((looking-at (regexp-quote generate-autoload-cookie)) | |
399 | ;; If not done yet, figure out where to insert this text. | |
400 | (unless output-start | |
438d6bb6 SM |
401 | (when (and outfile |
402 | (not (equal outfile (autoload-generated-file)))) | |
403 | ;; A file-local setting of autoload-generated-file says | |
404 | ;; we should ignore OUTBUF. | |
405 | (setq outbuf nil) | |
406 | (setq otherbuf t)) | |
1fad2b12 SM |
407 | (unless outbuf |
408 | (setq outbuf (autoload-find-destination absfile)) | |
409 | (unless outbuf | |
410 | ;; The file has autoload cookies, but they're | |
438d6bb6 SM |
411 | ;; already up-to-date. If OUTFILE is nil, the |
412 | ;; entries are in the expected OUTBUF, otherwise | |
413 | ;; they're elsewhere. | |
414 | (throw 'done outfile))) | |
1fad2b12 SM |
415 | (with-current-buffer outbuf |
416 | (setq relfile (file-relative-name absfile)) | |
417 | (setq output-start (point))) | |
418 | ;; (message "file=%S, relfile=%S, dest=%S" | |
419 | ;; file relfile (autoload-generated-file)) | |
420 | ) | |
421 | (search-forward generate-autoload-cookie) | |
422 | (skip-chars-forward " \t") | |
423 | (if (eolp) | |
424 | (condition-case err | |
425 | ;; Read the next form and make an autoload. | |
426 | (let* ((form (prog1 (read (current-buffer)) | |
427 | (or (bolp) (forward-line 1)))) | |
428 | (autoload (make-autoload form load-name))) | |
429 | (if autoload | |
430 | (push (nth 1 form) autoloads-done) | |
431 | (setq autoload form)) | |
432 | (let ((autoload-print-form-outbuf outbuf)) | |
433 | (autoload-print-form autoload))) | |
434 | (error | |
435 | (message "Error in %s: %S" file err))) | |
436 | ||
437 | ;; Copy the rest of the line to the output. | |
438 | (princ (buffer-substring | |
439 | (progn | |
440 | ;; Back up over whitespace, to preserve it. | |
441 | (skip-chars-backward " \f\t") | |
442 | (if (= (char-after (1+ (point))) ? ) | |
443 | ;; Eat one space. | |
444 | (forward-char 1)) | |
445 | (point)) | |
446 | (progn (forward-line 1) (point))) | |
447 | outbuf))) | |
448 | ((looking-at ";") | |
449 | ;; Don't read the comment. | |
450 | (forward-line 1)) | |
451 | (t | |
452 | (forward-sexp 1) | |
453 | (forward-line 1)))))) | |
454 | ||
455 | (when output-start | |
0b7750a9 SM |
456 | (let ((secondary-autoloads-file-buf |
457 | (if (local-variable-p 'generated-autoload-file) | |
458 | (current-buffer)))) | |
459 | (with-current-buffer outbuf | |
460 | (save-excursion | |
461 | ;; Insert the section-header line which lists the file name | |
462 | ;; and which functions are in it, etc. | |
463 | (goto-char output-start) | |
464 | (autoload-insert-section-header | |
465 | outbuf autoloads-done load-name relfile | |
466 | (if secondary-autoloads-file-buf | |
467 | ;; MD5 checksums are much better because they do not | |
468 | ;; change unless the file changes (so they'll be | |
469 | ;; equal on two different systems and will change | |
470 | ;; less often than time-stamps, thus leading to fewer | |
471 | ;; unneeded changes causing spurious conflicts), but | |
472 | ;; using time-stamps is a very useful optimization, | |
473 | ;; so we use time-stamps for the main autoloads file | |
474 | ;; (loaddefs.el) where we have special ways to | |
475 | ;; circumvent the "random change problem", and MD5 | |
476 | ;; checksum in secondary autoload files where we do | |
477 | ;; not need the time-stamp optimization because it is | |
478 | ;; already provided by the primary autoloads file. | |
563cfbf7 SM |
479 | (md5 secondary-autoloads-file-buf |
480 | ;; We'd really want to just use | |
481 | ;; `emacs-internal' instead. | |
482 | nil nil 'emacs-mule-unix) | |
0b7750a9 SM |
483 | (nth 5 (file-attributes relfile)))) |
484 | (insert ";;; Generated autoloads from " relfile "\n")) | |
485 | (insert generate-autoload-section-trailer)))) | |
1fad2b12 SM |
486 | (message "Generating autoloads for %s...done" file)) |
487 | (or visited | |
488 | ;; We created this buffer, so we should kill it. | |
a0436952 | 489 | (kill-buffer (current-buffer))))) |
438d6bb6 SM |
490 | ;; If the entries were added to some other buffer, then the file |
491 | ;; doesn't add entries to OUTFILE. | |
492 | (or (not output-start) otherbuf)))) | |
e2b6138f | 493 | \f |
e66466a6 SM |
494 | (defun autoload-save-buffers () |
495 | (while autoload-modified-buffers | |
496 | (with-current-buffer (pop autoload-modified-buffers) | |
497 | (save-buffer)))) | |
498 | ||
0231f2dc | 499 | ;;;###autoload |
f7ed02ac | 500 | (defun update-file-autoloads (file &optional save-after) |
0231f2dc | 501 | "Update the autoloads for FILE in `generated-autoload-file' |
a273d3e0 | 502 | \(which FILE might bind in its local variables). |
f7ed02ac RS |
503 | If SAVE-AFTER is non-nil (which is always, when called interactively), |
504 | save the buffer too. | |
505 | ||
506 | Return FILE if there was no autoload cookie in it, else nil." | |
507 | (interactive "fUpdate autoloads for file: \np") | |
1fad2b12 SM |
508 | (let* ((autoload-modified-buffers nil) |
509 | (no-autoloads (autoload-generate-file-autoloads file))) | |
510 | (if autoload-modified-buffers | |
986c5ad5 | 511 | (if save-after (autoload-save-buffers)) |
32226619 | 512 | (if (called-interactively-p 'interactive) |
986c5ad5 | 513 | (message "Autoload section for %s is up to date." file))) |
e66466a6 | 514 | (if no-autoloads file))) |
57536a83 SM |
515 | |
516 | (defun autoload-find-destination (file) | |
517 | "Find the destination point of the current buffer's autoloads. | |
518 | FILE is the file name of the current buffer. | |
519 | Returns a buffer whose point is placed at the requested location. | |
1fad2b12 | 520 | Returns nil if the file's autoloads are uptodate, otherwise |
0b7750a9 | 521 | removes any prior now out-of-date autoload entries." |
1fad2b12 | 522 | (catch 'up-to-date |
0b7750a9 SM |
523 | (let* ((load-name (autoload-file-load-name file)) |
524 | (buf (current-buffer)) | |
525 | (existing-buffer (if buffer-file-name buf)) | |
526 | (found nil)) | |
1fad2b12 | 527 | (with-current-buffer |
812e2bd8 SM |
528 | ;; We used to use `raw-text' to read this file, but this causes |
529 | ;; problems when the file contains non-ASCII characters. | |
530 | (find-file-noselect | |
531 | (autoload-ensure-default-file (autoload-generated-file))) | |
1fad2b12 SM |
532 | ;; This is to make generated-autoload-file have Unix EOLs, so |
533 | ;; that it is portable to all platforms. | |
812e2bd8 SM |
534 | (unless (zerop (coding-system-eol-type buffer-file-coding-system)) |
535 | (set-buffer-file-coding-system 'unix)) | |
1fad2b12 SM |
536 | (or (> (buffer-size) 0) |
537 | (error "Autoloads file %s does not exist" buffer-file-name)) | |
538 | (or (file-writable-p buffer-file-name) | |
539 | (error "Autoloads file %s is not writable" buffer-file-name)) | |
540 | (widen) | |
541 | (goto-char (point-min)) | |
542 | ;; Look for the section for LOAD-NAME. | |
543 | (while (and (not found) | |
544 | (search-forward generate-autoload-section-header nil t)) | |
545 | (let ((form (autoload-read-section-header))) | |
546 | (cond ((string= (nth 2 form) load-name) | |
547 | ;; We found the section for this file. | |
548 | ;; Check if it is up to date. | |
549 | (let ((begin (match-beginning 0)) | |
550 | (last-time (nth 4 form)) | |
551 | (file-time (nth 5 (file-attributes file)))) | |
552 | (if (and (or (null existing-buffer) | |
553 | (not (buffer-modified-p existing-buffer))) | |
0b7750a9 SM |
554 | (or |
555 | ;; last-time is the time-stamp (specifying | |
556 | ;; the last time we looked at the file) and | |
557 | ;; the file hasn't been changed since. | |
558 | (and (listp last-time) (= (length last-time) 2) | |
559 | (not (time-less-p last-time file-time))) | |
560 | ;; last-time is an MD5 checksum instead. | |
561 | (and (stringp last-time) | |
562 | (equal last-time | |
563 | (md5 buf nil nil 'emacs-mule))))) | |
1fad2b12 SM |
564 | (throw 'up-to-date nil) |
565 | (autoload-remove-section begin) | |
566 | (setq found t)))) | |
567 | ((string< load-name (nth 2 form)) | |
568 | ;; We've come to a section alphabetically later than | |
569 | ;; LOAD-NAME. We assume the file is in order and so | |
570 | ;; there must be no section for LOAD-NAME. We will | |
571 | ;; insert one before the section here. | |
572 | (goto-char (match-beginning 0)) | |
573 | (setq found t))))) | |
574 | (or found | |
575 | (progn | |
576 | ;; No later sections in the file. Put before the last page. | |
577 | (goto-char (point-max)) | |
578 | (search-backward "\f" nil t))) | |
579 | (unless (memq (current-buffer) autoload-modified-buffers) | |
580 | (push (current-buffer) autoload-modified-buffers)) | |
581 | (current-buffer))))) | |
a273d3e0 | 582 | |
a273d3e0 GM |
583 | (defun autoload-remove-section (begin) |
584 | (goto-char begin) | |
585 | (search-forward generate-autoload-section-trailer) | |
586 | (delete-region begin (point))) | |
0231f2dc JB |
587 | |
588 | ;;;###autoload | |
56eebc29 | 589 | (defun update-directory-autoloads (&rest dirs) |
d08589bf | 590 | "\ |
3fbca58a | 591 | Update loaddefs.el with all the current autoloads from DIRS, and no old ones. |
ac644d50 | 592 | This uses `update-file-autoloads' (which see) to do its work. |
56eebc29 RS |
593 | In an interactive call, you must give one argument, the name |
594 | of a single directory. In a call from Lisp, you can supply multiple | |
595 | directories as separate arguments, but this usage is discouraged. | |
596 | ||
597 | The function does NOT recursively descend into subdirectories of the | |
598 | directory or directories specified." | |
b59c7256 | 599 | (interactive "DUpdate autoloads from directory: ") |
a85e4d58 | 600 | (let* ((files-re (let ((tmp nil)) |
de10856c | 601 | (dolist (suf (get-load-suffixes) |
a85e4d58 SM |
602 | (concat "^[^=.].*" (regexp-opt tmp t) "\\'")) |
603 | (unless (string-match "\\.elc" suf) (push suf tmp))))) | |
604 | (files (apply 'nconc | |
a273d3e0 GM |
605 | (mapcar (lambda (dir) |
606 | (directory-files (expand-file-name dir) | |
a85e4d58 | 607 | t files-re)) |
a273d3e0 | 608 | dirs))) |
48df920c | 609 | (done ()) |
a273d3e0 | 610 | (this-time (current-time)) |
438d6bb6 SM |
611 | ;; Files with no autoload cookies or whose autoloads go to other |
612 | ;; files because of file-local autoload-generated-file settings. | |
613 | (no-autoloads nil) | |
614 | (autoload-modified-buffers nil)) | |
a273d3e0 GM |
615 | |
616 | (with-current-buffer | |
438d6bb6 SM |
617 | (find-file-noselect |
618 | (autoload-ensure-default-file (autoload-generated-file))) | |
e2b6138f | 619 | (save-excursion |
a273d3e0 GM |
620 | |
621 | ;; Canonicalize file names and remove the autoload file itself. | |
1fad2b12 SM |
622 | (setq files (delete (file-relative-name buffer-file-name) |
623 | (mapcar 'file-relative-name files))) | |
a273d3e0 | 624 | |
b59c7256 RM |
625 | (goto-char (point-min)) |
626 | (while (search-forward generate-autoload-section-header nil t) | |
2336b6a9 | 627 | (let* ((form (autoload-read-section-header)) |
b59c7256 | 628 | (file (nth 3 form))) |
a273d3e0 GM |
629 | (cond ((and (consp file) (stringp (car file))) |
630 | ;; This is a list of files that have no autoload cookies. | |
631 | ;; There shouldn't be more than one such entry. | |
632 | ;; Remove the obsolete section. | |
633 | (autoload-remove-section (match-beginning 0)) | |
634 | (let ((last-time (nth 4 form))) | |
635 | (dolist (file file) | |
636 | (let ((file-time (nth 5 (file-attributes file)))) | |
637 | (when (and file-time | |
66dc9a0f | 638 | (not (time-less-p last-time file-time))) |
a273d3e0 GM |
639 | ;; file unchanged |
640 | (push file no-autoloads) | |
641 | (setq files (delete file files))))))) | |
642 | ((not (stringp file))) | |
48df920c SM |
643 | ((or (not (file-exists-p file)) |
644 | ;; Remove duplicates as well, just in case. | |
645 | (member file done)) | |
646 | ;; Remove the obsolete section. | |
a273d3e0 | 647 | (autoload-remove-section (match-beginning 0))) |
0b7750a9 SM |
648 | ((not (time-less-p (nth 4 form) |
649 | (nth 5 (file-attributes file)))) | |
a273d3e0 GM |
650 | ;; File hasn't changed. |
651 | nil) | |
b59c7256 | 652 | (t |
438d6bb6 SM |
653 | (autoload-remove-section (match-beginning 0)) |
654 | (if (autoload-generate-file-autoloads | |
655 | file (current-buffer) buffer-file-name) | |
656 | (push file no-autoloads)))) | |
48df920c | 657 | (push file done) |
b59c7256 | 658 | (setq files (delete file files))))) |
a273d3e0 | 659 | ;; Elements remaining in FILES have no existing autoload sections yet. |
438d6bb6 SM |
660 | (dolist (file files) |
661 | (if (autoload-generate-file-autoloads file nil buffer-file-name) | |
662 | (push file no-autoloads))) | |
663 | ||
a273d3e0 | 664 | (when no-autoloads |
000d9923 MR |
665 | ;; Sort them for better readability. |
666 | (setq no-autoloads (sort no-autoloads 'string<)) | |
a273d3e0 GM |
667 | ;; Add the `no-autoloads' section. |
668 | (goto-char (point-max)) | |
669 | (search-backward "\f" nil t) | |
670 | (autoload-insert-section-header | |
671 | (current-buffer) nil nil no-autoloads this-time) | |
672 | (insert generate-autoload-section-trailer)) | |
673 | ||
438d6bb6 SM |
674 | (save-buffer) |
675 | ;; In case autoload entries were added to other files because of | |
676 | ;; file-local autoload-generated-file settings. | |
677 | (autoload-save-buffers)))) | |
0231f2dc | 678 | |
1e0888f5 LH |
679 | (define-obsolete-function-alias 'update-autoloads-from-directories |
680 | 'update-directory-autoloads "22.1") | |
681 | ||
0231f2dc JB |
682 | ;;;###autoload |
683 | (defun batch-update-autoloads () | |
b59c7256 | 684 | "Update loaddefs.el autoloads in batch mode. |
375d5635 | 685 | Calls `update-directory-autoloads' on the command line arguments." |
5152da64 GM |
686 | ;; For use during the Emacs build process only. |
687 | (unless autoload-excludes | |
688 | (let* ((ldir (file-name-directory generated-autoload-file)) | |
689 | (mfile (expand-file-name "../src/Makefile" ldir)) | |
690 | lim) | |
691 | (when (file-readable-p mfile) | |
692 | (with-temp-buffer | |
693 | (insert-file-contents mfile) | |
11be40a6 | 694 | (when (re-search-forward "^lisp= " nil t) |
5152da64 | 695 | (setq lim (line-end-position)) |
ab2baced GM |
696 | (while (re-search-forward "\\${lispsource}\\([^ ]+\\.el\\)c?\\>" |
697 | lim t) | |
698 | (push (expand-file-name (match-string 1) ldir) | |
5152da64 | 699 | autoload-excludes))))))) |
3a4336e6 MB |
700 | (let ((args command-line-args-left)) |
701 | (setq command-line-args-left nil) | |
702 | (apply 'update-directory-autoloads args))) | |
0231f2dc JB |
703 | |
704 | (provide 'autoload) | |
ffd56f97 | 705 | |
b7a45ee1 | 706 | ;; arch-tag: 00244766-98f4-4767-bf42-8a22103441c6 |
c0274f38 | 707 | ;;; autoload.el ends here |