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c88ab9ce ER |
1 | ;;; startup.el --- process Emacs shell arguments |
2 | ||
acfd1011 | 3 | ;; Copyright (C) 1985, 86, 92, 94, 95, 96, 97, 1998 Free Software Foundation, Inc. |
eea8d4ef | 4 | |
630cc463 | 5 | ;; Maintainer: FSF |
d7b4d18f | 6 | ;; Keywords: internal |
630cc463 | 7 | |
a726e0d1 JB |
8 | ;; This file is part of GNU Emacs. |
9 | ||
10 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
11 | ;; it under the terms of the GNU General Public License as published by | |
4746118a | 12 | ;; the Free Software Foundation; either version 2, or (at your option) |
a726e0d1 JB |
13 | ;; any later version. |
14 | ||
15 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
16 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | ;; GNU General Public License for more details. | |
19 | ||
20 | ;; You should have received a copy of the GNU General Public License | |
b578f267 EN |
21 | ;; along with GNU Emacs; see the file COPYING. If not, write to the |
22 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
23 | ;; Boston, MA 02111-1307, USA. | |
a726e0d1 | 24 | |
630cc463 | 25 | ;;; Commentary: |
a726e0d1 | 26 | |
ab30fc8a RS |
27 | ;; This file parses the command line and gets Emacs running. Options on |
28 | ;; the command line are handled in precedence order. The order is the | |
29 | ;; one in the list below; first described means first handled. Options | |
30 | ;; within each category (delimited by a bar) are handled in the order | |
31 | ;; encountered on the command line. | |
32 | ||
33 | ;; ------------------------- | |
34 | ;; -version Print Emacs version to stderr, then exit | |
35 | ;; --version successfully right away. | |
36 | ;; This option is handled by emacs.c | |
37 | ;; ------------------------- | |
38 | ;; -help Print a short usage description and exit | |
39 | ;; --help successfully right away. | |
40 | ;; This option is handled by emacs.c | |
41 | ;; ------------------------- | |
42 | ;; -nl Do not use shared memory (for systems that | |
43 | ;; -no-shared-memory support this) for the dumped Emacs data. | |
44 | ;; This option is handled by emacs.c | |
45 | ;; | |
46 | ;; -map For VMS. | |
47 | ;; --map-data This option is handled by emacs.c | |
48 | ;; ------------------------- | |
49 | ;; -t FILE Use FILE as the name of the terminal. | |
50 | ;; --terminal FILE Using this implies "-nw" also. | |
51 | ;; This option is handled by emacs.c | |
52 | ;; ------------------------- | |
53 | ;; -d DISPNAME Use DISPNAME as the name of the X-windows | |
54 | ;; -display DISPNAME display for the initial frame. | |
55 | ;; --display DISPNAME This option is handled by emacs.c | |
56 | ;; ------------------------- | |
57 | ;; -nw Do not use a windows system (but use the | |
58 | ;; --no-windows terminal instead.) | |
59 | ;; This option is handled by emacs.c | |
60 | ;; ------------------------- | |
61 | ;; -batch Execute noninteractively (messages go to stdout, | |
62 | ;; --batch variable noninteractive set to t) | |
63 | ;; This option is handled by emacs.c | |
64 | ;; ------------------------- | |
65 | ;; -q Do not load user's init file and do not load | |
66 | ;; -no-init-file "default.el". Regardless of this switch, | |
6f9340dd | 67 | ;; --no-init-file "site-start" is still loaded. |
ab30fc8a | 68 | ;; ------------------------- |
6f9340dd | 69 | ;; -no-site-file Do not load "site-start.el". (This is the ONLY |
ab30fc8a RS |
70 | ;; --no-site-file way to prevent loading that file.) |
71 | ;; ------------------------- | |
72 | ;; -u USER Load USER's init file instead of the init | |
73 | ;; -user USER file belonging to the user starting Emacs. | |
74 | ;; --user USER | |
75 | ;; ------------------------- | |
76 | ;; -debug-init Don't catch errors in init files; let the | |
77 | ;; --debug-init debugger run. | |
78 | ;; ------------------------- | |
79 | ;; -i ICONTYPE Set type of icon using when Emacs is | |
80 | ;; -itype ICONTYPE iconified under X-windows. | |
81 | ;; --icon-type ICONTYPE This option is passed on to term/x-win.el | |
82 | ;; | |
83 | ;; -iconic Start Emacs iconified under X-windows. | |
84 | ;; --iconic This option is passed on to term/x-win.el | |
85 | ;; ------------------------- | |
86 | ;; Various X-windows options for colors/fonts/geometry/title etc. | |
87 | ;; These options are passed on to term/x-win.el which see. Certain | |
88 | ;; of these are also found in term/pc-win.el | |
89 | ;; ------------------------- | |
90 | ;; FILE Visit FILE. | |
91 | ;; | |
92 | ;; -L DIRNAME Add DIRNAME to load-path | |
93 | ;; -directory DIRNAME | |
94 | ;; --directory DIRNAME | |
95 | ;; | |
96 | ;; -l FILE Load and execute the Emacs lisp code | |
97 | ;; -load FILE in FILE. | |
98 | ;; --load FILE | |
99 | ;; | |
100 | ;; -f FUNC Execute Emacs lisp function FUNC with | |
101 | ;; -funcall FUNC no arguments. The "-e" form is outdated | |
102 | ;; --funcall FUNC and should not be used. (It's a typo | |
103 | ;; -e FUNC promoted to a feature.) | |
104 | ;; | |
955093c9 EN |
105 | ;; -eval FORM Execute Emacs lisp form FORM. |
106 | ;; --eval FORM | |
e6b75e30 | 107 | ;; |
ab30fc8a RS |
108 | ;; -insert FILE Insert the contents of FILE into buffer. |
109 | ;; --insert FILE | |
110 | ;; ------------------------- | |
111 | ;; -kill Kill (exit) Emacs right away. | |
112 | ;; --kill | |
113 | ;; ------------------------- | |
a726e0d1 | 114 | |
630cc463 ER |
115 | ;;; Code: |
116 | ||
a726e0d1 JB |
117 | (setq top-level '(normal-top-level)) |
118 | ||
42a3e6fa RS |
119 | (defvar command-line-processed nil |
120 | "Non-nil once command line has been processed") | |
a726e0d1 | 121 | |
42a3e6fa RS |
122 | (defgroup initialization nil |
123 | "Emacs start-up procedure" | |
124 | :group 'internal) | |
125 | ||
126 | (defcustom inhibit-startup-message nil | |
1d7da582 | 127 | "*Non-nil inhibits the initial startup message. |
a726e0d1 | 128 | This is for use in your personal init file, once you are familiar |
42a3e6fa RS |
129 | with the contents of the startup message." |
130 | :type 'boolean | |
131 | :group 'initialization) | |
a726e0d1 | 132 | |
42a3e6fa | 133 | (defcustom inhibit-startup-echo-area-message nil |
1d7da582 | 134 | "*Non-nil inhibits the initial startup echo area message. |
42a3e6fa RS |
135 | Setting this variable takes effect |
136 | only if you do it with the customization buffer | |
137 | or it your `.emacs' file contains a line of this form: | |
54a003f7 | 138 | (setq inhibit-startup-echo-area-message \"YOUR-USER-NAME\") |
e5575c06 RS |
139 | If your `.emacs' file is byte-compiled, use the following form instead: |
140 | (eval '(setq inhibit-startup-echo-area-message \"YOUR-USER-NAME\")) | |
1d7da582 | 141 | Thus, someone else using a copy of your `.emacs' file will see |
42a3e6fa RS |
142 | the startup message unless he personally acts to inhibit it." |
143 | :type '(choice (const :tag "Don't inhibit") | |
144 | (string :tag "Enter your user name, to inhibit")) | |
145 | :group 'initialization) | |
1d7da582 | 146 | |
42a3e6fa RS |
147 | (defcustom inhibit-default-init nil |
148 | "*Non-nil inhibits loading the `default' library." | |
149 | :type 'boolean | |
150 | :group 'initialization) | |
a726e0d1 | 151 | |
d7fa5aa2 | 152 | (defvar command-switch-alist nil |
a726e0d1 JB |
153 | "Alist of command-line switches. |
154 | Elements look like (SWITCH-STRING . HANDLER-FUNCTION). | |
155 | HANDLER-FUNCTION receives switch name as sole arg; | |
156 | remaining command-line args are in the variable `command-line-args-left'.") | |
157 | ||
860befc8 RS |
158 | (defvar command-line-args-left nil |
159 | "List of command-line args not yet processed.") | |
160 | ||
a726e0d1 JB |
161 | (defvar command-line-functions nil ;; lrs 7/31/89 |
162 | "List of functions to process unrecognized command-line arguments. | |
163 | Each function should access the dynamically bound variables | |
b4484ea8 | 164 | `argi' (the current argument) and `command-line-args-left' (the remaining |
a726e0d1 | 165 | arguments). The function should return non-nil only if it recognizes and |
b4484ea8 RS |
166 | processes `argi'. If it does so, it may consume successive arguments by |
167 | altering `command-line-args-left' to remove them.") | |
a726e0d1 | 168 | |
09a1077c RS |
169 | (defvar command-line-default-directory nil |
170 | "Default directory to use for command line arguments. | |
171 | This is normally copied from `default-directory' when Emacs starts.") | |
172 | ||
b3afdeb8 RS |
173 | ;;; This is here, rather than in x-win.el, so that we can ignore these |
174 | ;;; options when we are not using X. | |
175 | (defvar command-line-x-option-alist | |
176 | '(("-bw" 1 x-handle-numeric-switch border-width) | |
177 | ("-d" 1 x-handle-display) | |
178 | ("-display" 1 x-handle-display) | |
5676ab57 | 179 | ("-name" 1 x-handle-name-switch) |
2c3fef40 RS |
180 | ("-title" 1 x-handle-switch title) |
181 | ("-T" 1 x-handle-switch title) | |
b3afdeb8 RS |
182 | ("-r" 0 x-handle-switch reverse t) |
183 | ("-rv" 0 x-handle-switch reverse t) | |
184 | ("-reverse" 0 x-handle-switch reverse t) | |
185 | ("-reverse-video" 0 x-handle-switch reverse t) | |
186 | ("-fn" 1 x-handle-switch font) | |
187 | ("-font" 1 x-handle-switch font) | |
188 | ("-ib" 1 x-handle-numeric-switch internal-border-width) | |
1f7f78f1 RS |
189 | ("-g" 1 x-handle-geometry) |
190 | ("-geometry" 1 x-handle-geometry) | |
b3afdeb8 RS |
191 | ("-fg" 1 x-handle-switch foreground-color) |
192 | ("-foreground" 1 x-handle-switch foreground-color) | |
193 | ("-bg" 1 x-handle-switch background-color) | |
194 | ("-background" 1 x-handle-switch background-color) | |
195 | ("-ms" 1 x-handle-switch mouse-color) | |
196 | ("-itype" 0 x-handle-switch icon-type t) | |
197 | ("-i" 0 x-handle-switch icon-type t) | |
198 | ("-iconic" 0 x-handle-iconic) | |
199 | ("-xrm" 1 x-handle-xrm-switch) | |
200 | ("-cr" 1 x-handle-switch cursor-color) | |
201 | ("-vb" 0 x-handle-switch vertical-scroll-bars t) | |
202 | ("-hb" 0 x-handle-switch horizontal-scroll-bars t) | |
203 | ("-bd" 1 x-handle-switch) | |
204 | ("--border-width" 1 x-handle-numeric-switch border-width) | |
205 | ("--display" 1 x-handle-display) | |
5676ab57 | 206 | ("--name" 1 x-handle-name-switch) |
7775acb8 | 207 | ("--title" 1 x-handle-switch title) |
b3afdeb8 RS |
208 | ("--reverse-video" 0 x-handle-switch reverse t) |
209 | ("--font" 1 x-handle-switch font) | |
210 | ("--internal-border" 1 x-handle-numeric-switch internal-border-width) | |
1f7f78f1 | 211 | ("--geometry" 1 x-handle-geometry) |
b3afdeb8 RS |
212 | ("--foreground-color" 1 x-handle-switch foreground-color) |
213 | ("--background-color" 1 x-handle-switch background-color) | |
214 | ("--mouse-color" 1 x-handle-switch mouse-color) | |
215 | ("--icon-type" 0 x-handle-switch icon-type t) | |
216 | ("--iconic" 0 x-handle-iconic) | |
217 | ("--xrm" 1 x-handle-xrm-switch) | |
218 | ("--cursor-color" 1 x-handle-switch cursor-color) | |
219 | ("--vertical-scroll-bars" 0 x-handle-switch vertical-scroll-bars t) | |
220 | ("--border-color" 1 x-handle-switch border-width)) | |
221 | "Alist of X Windows options. | |
222 | Each element has the form | |
223 | (NAME NUMARGS HANDLER FRAME-PARAM VALUE) | |
224 | where NAME is the option name string, NUMARGS is the number of arguments | |
225 | that the option accepts, HANDLER is a function to call to handle the option. | |
226 | FRAME-PARAM (optional) is the frame parameter this option specifies, | |
227 | and VALUE is the value which is given to that frame parameter | |
228 | \(most options use the argument for this, so VALUE is not present).") | |
229 | ||
e3bd99f5 | 230 | (defvar before-init-hook nil |
db3f571a | 231 | "Normal hook run after handling urgent options but before loading init files.") |
3fc958a4 | 232 | |
e3bd99f5 | 233 | (defvar after-init-hook nil |
db3f571a KH |
234 | "Normal hook run after loading the init files, `~/.emacs' and `default.el'. |
235 | There is no `condition-case' around the running of these functions; | |
236 | therefore, if you set `debug-on-error' non-nil in `.emacs', | |
237 | an error in one of these functions will invoke the debugger.") | |
238 | ||
239 | (defvar emacs-startup-hook nil | |
240 | "Normal hook run after loading init files and handling the command line.") | |
e3bd99f5 | 241 | |
a726e0d1 | 242 | (defvar term-setup-hook nil |
db3f571a KH |
243 | "Normal hook run after loading terminal-specific Lisp code. |
244 | It also follows `emacs-startup-hook'. This hook exists for users to set, | |
a726e0d1 JB |
245 | so as to override the definitions made by the terminal-specific file. |
246 | Emacs never sets this variable itself.") | |
247 | ||
248 | (defvar keyboard-type nil | |
b4484ea8 RS |
249 | "The brand of keyboard you are using. |
250 | This variable is used to define | |
a726e0d1 JB |
251 | the proper function and keypad keys for use under X. It is used in a |
252 | fashion analogous to the environment value TERM.") | |
253 | ||
254 | (defvar window-setup-hook nil | |
b4484ea8 RS |
255 | "Normal hook run to initialize window system display. |
256 | Emacs runs this hook after processing the command line arguments and loading | |
257 | the user's init file.") | |
a726e0d1 | 258 | |
42a3e6fa RS |
259 | (defcustom initial-major-mode 'lisp-interaction-mode |
260 | "Major mode command symbol to use for the initial *scratch* buffer." | |
ce2f921e | 261 | :type 'function |
42a3e6fa | 262 | :group 'initialization) |
a726e0d1 | 263 | |
42a3e6fa | 264 | (defcustom init-file-user nil |
a726e0d1 | 265 | "Identity of user whose `.emacs' file is or was read. |
d7fa5aa2 RS |
266 | The value is nil if `-q' or `--no-init-file' was specified, |
267 | meaning do not load any init file. | |
268 | ||
269 | Otherwise, the value may be the null string, meaning use the init file | |
270 | for the user that originally logged in, or it may be a | |
271 | string containing a user's name meaning use that person's init file. | |
a726e0d1 | 272 | |
2bdfaa42 KH |
273 | In either of the latter cases, `(concat \"~\" init-file-user \"/\")' |
274 | evaluates to the name of the directory where the `.emacs' file was | |
13fce4e6 RS |
275 | looked for. |
276 | ||
277 | Setting `init-file-user' does not prevent Emacs from loading | |
42a3e6fa RS |
278 | `site-start.el'. The only way to do that is to use `--no-site-file'." |
279 | :type '(choice (const :tag "none" nil) string) | |
280 | :group 'initialization) | |
a726e0d1 | 281 | |
42a3e6fa | 282 | (defcustom site-run-file "site-start" |
b7444d31 RS |
283 | "File containing site-wide run-time initializations. |
284 | This file is loaded at run-time before `~/.emacs'. It contains inits | |
285 | that need to be in place for the entire site, but which, due to their | |
286 | higher incidence of change, don't make sense to load into emacs' | |
287 | dumped image. Thus, the run-time load order is: 1. file described in | |
13fce4e6 RS |
288 | this variable, if non-nil; 2. `~/.emacs'; 3. `default.el'. |
289 | ||
290 | Don't use the `site-start.el' file for things some users may not like. | |
291 | Put them in `default.el' instead, so that users can more easily | |
292 | override them. Users can prevent loading `default.el' with the `-q' | |
293 | option or by setting `inhibit-default-init' in their own init files, | |
294 | but inhibiting `site-start.el' requires `--no-site-file', which | |
42a3e6fa RS |
295 | is less convenient." |
296 | :type 'string | |
297 | :group 'initialization) | |
b7444d31 | 298 | |
42a3e6fa | 299 | (defconst iso-8859-n-locale-regexp "8859[-_]?\\([1-49]\\)" |
911ea13b | 300 | "Regexp that specifies when to enable an ISO 8859-N character set. |
30dc01ea | 301 | We do that if this regexp matches the locale name |
911ea13b RS |
302 | specified by the LC_ALL, LC_CTYPE and LANG environment variables. |
303 | The paren group in the regexp should match the specific character | |
304 | set number, N.") | |
30dc01ea | 305 | |
42a3e6fa RS |
306 | (defcustom mail-host-address nil |
307 | "*Name of this machine, for purposes of naming users." | |
308 | :type '(choice (const nil) string) | |
309 | :group 'mail) | |
c13fbb62 | 310 | |
42a3e6fa | 311 | (defcustom user-mail-address nil |
452e9090 RS |
312 | "*Full mailing address of this user. |
313 | This is initialized based on `mail-host-address', | |
42a3e6fa RS |
314 | after your init file is read, in case it sets `mail-host-address'." |
315 | :type 'string | |
316 | :group 'mail) | |
c10d1f06 | 317 | |
42a3e6fa | 318 | (defcustom auto-save-list-file-prefix |
1f7f78f1 RS |
319 | (if (eq system-type 'ms-dos) |
320 | "~/_s" ; MS-DOS cannot have initial dot, and allows only 8.3 names | |
321 | "~/.saves-") | |
cdee38c3 KH |
322 | "Prefix for generating `auto-save-list-file-name'. |
323 | This is used after reading your `.emacs' file to initialize | |
324 | `auto-save-list-file-name', by appending Emacs's pid and the system name, | |
325 | if you have not already set `auto-save-list-file-name' yourself. | |
326 | Set this to nil if you want to prevent `auto-save-list-file-name' | |
42a3e6fa | 327 | from being initialized." |
3671f444 KH |
328 | :type '(choice (const :tag "Don't record a session's auto save list" nil) |
329 | string) | |
42a3e6fa | 330 | :group 'auto-save) |
2e05d063 | 331 | |
a726e0d1 JB |
332 | (defvar init-file-debug nil) |
333 | ||
52320897 RS |
334 | (defvar init-file-had-error nil) |
335 | ||
e87a7309 RS |
336 | ;; This function is called from the subdirs.el file. |
337 | (defun normal-top-level-add-to-load-path (dirs) | |
cd1c10f6 RS |
338 | (let ((tail load-path) |
339 | (thisdir (directory-file-name default-directory))) | |
340 | (while (and tail | |
341 | (not (equal thisdir (car tail))) | |
342 | (not (and (memq system-type '(ms-dos windows-nt)) | |
343 | (equal (downcase thisdir) (downcase (car tail)))))) | |
344 | (setq tail (cdr tail))) | |
e87a7309 RS |
345 | (setcdr tail (append (mapcar 'expand-file-name dirs) (cdr tail))))) |
346 | ||
a726e0d1 JB |
347 | (defun normal-top-level () |
348 | (if command-line-processed | |
349 | (message "Back to top level.") | |
350 | (setq command-line-processed t) | |
8d4c2221 RS |
351 | ;; Give *Messages* the same default-directory as *scratch*, |
352 | ;; just to keep things predictable. | |
353 | (let ((dir default-directory)) | |
354 | (save-excursion | |
355 | (set-buffer (get-buffer "*Messages*")) | |
356 | (setq default-directory dir))) | |
e87a7309 RS |
357 | ;; Look in each dir in load-path for a subdirs.el file. |
358 | ;; If we find one, load it, which will add the appropriate subdirs | |
359 | ;; of that dir into load-path, | |
360 | (let ((tail load-path) | |
361 | new) | |
362 | (while tail | |
363 | (setq new (cons (car tail) new)) | |
364 | (let ((default-directory (car tail))) | |
365 | (load (expand-file-name "subdirs.el" (car tail)) t t t)) | |
366 | (setq tail (cdr tail)))) | |
ffd56f97 | 367 | (if (not (eq system-type 'vax-vms)) |
a4b33896 JB |
368 | (progn |
369 | ;; If the PWD environment variable isn't accurate, delete it. | |
370 | (let ((pwd (getenv "PWD"))) | |
371 | (and (stringp pwd) | |
372 | ;; Use FOO/., so that if FOO is a symlink, file-attributes | |
373 | ;; describes the directory linked to, not FOO itself. | |
374 | (or (equal (file-attributes | |
375 | (concat (file-name-as-directory pwd) ".")) | |
376 | (file-attributes | |
377 | (concat (file-name-as-directory default-directory) | |
378 | "."))) | |
379 | (setq process-environment | |
380 | (delete (concat "PWD=" pwd) | |
381 | process-environment))))))) | |
492878e4 | 382 | (setq default-directory (abbreviate-file-name default-directory)) |
6f2c86fa KH |
383 | (let ((menubar-bindings-done nil)) |
384 | (unwind-protect | |
385 | (command-line) | |
386 | ;; Do this again, in case .emacs defined more abbreviations. | |
387 | (setq default-directory (abbreviate-file-name default-directory)) | |
b3c7c12c RS |
388 | ;; Specify the file for recording all the auto save files of this session. |
389 | ;; This is used by recover-session. | |
cdee38c3 KH |
390 | (or auto-save-list-file-name |
391 | (and auto-save-list-file-prefix | |
392 | (setq auto-save-list-file-name | |
1f7f78f1 RS |
393 | ;; Under MS-DOS our PID is almost always reused between |
394 | ;; Emacs invocations. We need something more unique. | |
395 | (if (eq system-type 'ms-dos) | |
2c42ec0b RS |
396 | (concat |
397 | (make-temp-name | |
398 | (expand-file-name auto-save-list-file-prefix)) | |
399 | "~") | |
400 | ||
401 | (expand-file-name (format "%s%d-%s~" | |
1f7f78f1 RS |
402 | auto-save-list-file-prefix |
403 | (emacs-pid) | |
404 | (system-name))))))) | |
6f2c86fa KH |
405 | (run-hooks 'emacs-startup-hook) |
406 | (and term-setup-hook | |
407 | (run-hooks 'term-setup-hook)) | |
408 | ;; Modify the initial frame based on what .emacs puts into | |
409 | ;; ...-frame-alist. | |
410 | (if (fboundp 'frame-notice-user-settings) | |
411 | (frame-notice-user-settings)) | |
412 | ;; Now we know the user's default font, so add it to the menu. | |
413 | (if (fboundp 'font-menu-add-default) | |
414 | (font-menu-add-default)) | |
415 | (and window-setup-hook | |
416 | (run-hooks 'window-setup-hook)) | |
417 | (or menubar-bindings-done | |
2da0d7db | 418 | (if (memq window-system '(x w32)) |
365636dc | 419 | (precompute-menubar-bindings))))))) |
6f2c86fa KH |
420 | |
421 | ;; Precompute the keyboard equivalents in the menu bar items. | |
422 | (defun precompute-menubar-bindings () | |
365636dc RS |
423 | (let ((submap (lookup-key global-map [menu-bar]))) |
424 | (while submap | |
425 | (and (consp (car submap)) | |
426 | (symbolp (car (car submap))) | |
427 | (stringp (car-safe (cdr (car submap)))) | |
428 | (keymapp (cdr (cdr (car submap)))) | |
a18042d7 RS |
429 | (progn |
430 | (x-popup-menu nil (cdr (cdr (car submap)))) | |
431 | (if purify-flag | |
432 | (garbage-collect)))) | |
365636dc RS |
433 | (setq submap (cdr submap)))) |
434 | (setq define-key-rebound-commands t)) | |
a726e0d1 JB |
435 | |
436 | (defun command-line () | |
09a1077c RS |
437 | (setq command-line-default-directory default-directory) |
438 | ||
74f2ab06 | 439 | ;; See if we should import version-control from the environment variable. |
a726e0d1 JB |
440 | (let ((vc (getenv "VERSION_CONTROL"))) |
441 | (cond ((eq vc nil)) ;don't do anything if not set | |
442 | ((or (string= vc "t") | |
443 | (string= vc "numbered")) | |
444 | (setq version-control t)) | |
445 | ((or (string= vc "nil") | |
446 | (string= vc "existing")) | |
447 | (setq version-control nil)) | |
448 | ((or (string= vc "never") | |
449 | (string= vc "simple")) | |
450 | (setq version-control 'never)))) | |
451 | ||
911ea13b RS |
452 | (let ((ctype |
453 | ;; Use the first of these three envvars that has a nonempty value. | |
454 | (or (let ((string (getenv "LC_ALL"))) | |
455 | (and (not (equal string "")) string)) | |
456 | (let ((string (getenv "LC_CTYPE"))) | |
457 | (and (not (equal string "")) string)) | |
458 | (let ((string (getenv "LANG"))) | |
42a3e6fa | 459 | (and (not (equal string "")) string))))) |
911ea13b RS |
460 | (when (and ctype |
461 | (string-match iso-8859-n-locale-regexp ctype)) | |
42a3e6fa RS |
462 | (let (charset (which (match-string 1 ctype))) |
463 | (if (equal "5" which) | |
464 | (setq which "9")) | |
465 | (setq charset (concat "latin-" which)) | |
466 | ;; Set up for this character set in multibyte mode. | |
467 | (if (string-match "latin-[12345]" charset) | |
35ae8ec8 RS |
468 | (set-language-environment charset)) |
469 | (standard-display-european t charset)))) | |
e9d8e8c7 | 470 | |
79058860 JB |
471 | ;;! This has been commented out; I currently find the behavior when |
472 | ;;! split-window-keep-point is nil disturbing, but if I can get used | |
473 | ;;! to it, then it would be better to eliminate the option. | |
474 | ;;! ;; Choose a good default value for split-window-keep-point. | |
475 | ;;! (setq split-window-keep-point (> baud-rate 2400)) | |
f35fe3c6 | 476 | |
a726e0d1 | 477 | ;; Read window system's init file if using a window system. |
1ed14cfd RS |
478 | (condition-case error |
479 | (if (and window-system (not noninteractive)) | |
480 | (load (concat term-file-prefix | |
481 | (symbol-name window-system) | |
482 | "-win") | |
483 | ;; Every window system should have a startup file; | |
484 | ;; barf if we can't find it. | |
485 | nil t)) | |
486 | ;; If we can't read it, print the error message and exit. | |
487 | (error | |
2677ad61 RS |
488 | (princ |
489 | (if (eq (car error) 'error) | |
490 | (apply 'concat (cdr error)) | |
491 | (if (memq 'file-error (get (car error) 'error-conditions)) | |
492 | (format "%s: %s" | |
493 | (nth 1 error) | |
494 | (mapconcat '(lambda (obj) (prin1-to-string obj t)) | |
495 | (cdr (cdr error)) ", ")) | |
496 | (format "%s: %s" | |
497 | (get (car error) 'error-message) | |
498 | (mapconcat '(lambda (obj) (prin1-to-string obj t)) | |
499 | (cdr error) ", ")))) | |
500 | 'external-debugging-output) | |
501 | (setq window-system nil) | |
1ed14cfd | 502 | (kill-emacs))) |
a726e0d1 | 503 | |
03e3c30a JB |
504 | (let ((done nil) |
505 | (args (cdr command-line-args))) | |
506 | ||
a726e0d1 JB |
507 | ;; Figure out which user's init file to load, |
508 | ;; either from the environment or from the options. | |
509 | (setq init-file-user (if noninteractive nil (user-login-name))) | |
510 | ;; If user has not done su, use current $HOME to find .emacs. | |
511 | (and init-file-user (string= init-file-user (user-real-login-name)) | |
512 | (setq init-file-user "")) | |
03e3c30a JB |
513 | |
514 | ;; Process the command-line args, and delete the arguments | |
515 | ;; processed. This is consistent with the way main in emacs.c | |
516 | ;; does things. | |
a726e0d1 | 517 | (while (and (not done) args) |
096b7031 | 518 | (let ((longopts '(("--no-init-file") ("--no-site-file") ("--user") |
a360cae9 | 519 | ("--debug-init") ("--iconic") ("--icon-type"))) |
096b7031 KH |
520 | (argi (car args)) |
521 | (argval nil)) | |
452e9090 RS |
522 | ;; Handle --OPTION=VALUE format. |
523 | (if (and (string-match "\\`--" argi) | |
524 | (string-match "=" argi)) | |
a981e7ff KH |
525 | (setq argval (substring argi (match-end 0)) |
526 | argi (substring argi 0 (match-beginning 0)))) | |
f7ad212d RS |
527 | (or (equal argi "--") |
528 | (let ((completion (try-completion argi longopts))) | |
529 | (if (eq completion t) | |
530 | (setq argi (substring argi 1)) | |
531 | (if (stringp completion) | |
532 | (let ((elt (assoc completion longopts))) | |
533 | (or elt | |
534 | (error "Option `%s' is ambiguous" argi)) | |
535 | (setq argi (substring (car elt) 1))) | |
536 | (setq argval nil))))) | |
a726e0d1 JB |
537 | (cond |
538 | ((or (string-equal argi "-q") | |
539 | (string-equal argi "-no-init-file")) | |
540 | (setq init-file-user nil | |
541 | args (cdr args))) | |
542 | ((or (string-equal argi "-u") | |
543 | (string-equal argi "-user")) | |
096b7031 | 544 | (or argval |
d3bea05f RS |
545 | (setq args (cdr args) |
546 | argval (car args))) | |
096b7031 KH |
547 | (setq init-file-user argval |
548 | argval nil | |
a726e0d1 | 549 | args (cdr args))) |
b7444d31 RS |
550 | ((string-equal argi "-no-site-file") |
551 | (setq site-run-file nil | |
552 | args (cdr args))) | |
a726e0d1 JB |
553 | ((string-equal argi "-debug-init") |
554 | (setq init-file-debug t | |
555 | args (cdr args))) | |
a360cae9 RS |
556 | ((string-equal argi "-iconic") |
557 | (setq initial-frame-alist | |
558 | (cons '(visibility . icon) initial-frame-alist)) | |
559 | (setq args (cdr args))) | |
560 | ((or (string-equal argi "-icon-type") | |
561 | (string-equal argi "-i") | |
562 | (string-equal argi "-itype")) | |
563 | (setq default-frame-alist | |
564 | (cons '(icon-type . t) default-frame-alist)) | |
565 | (setq args (cdr args))) | |
096b7031 KH |
566 | (t (setq done t))) |
567 | ;; Was argval set but not used? | |
568 | (and argval | |
569 | (error "Option `%s' doesn't allow an argument" argi)))) | |
570 | ||
03e3c30a | 571 | ;; Re-attach the program name to the front of the arg list. |
4048e56d | 572 | (and command-line-args (setcdr command-line-args args))) |
a726e0d1 | 573 | |
c722566c | 574 | ;; Under X Windows, this creates the X frame and deletes the terminal frame. |
853ccbd5 RS |
575 | (if (fboundp 'frame-initialize) |
576 | (frame-initialize)) | |
1fe0333f | 577 | ;; If frame was created with a menu bar, set menu-bar-mode on. |
2da0d7db | 578 | (if (or (not (memq window-system '(x w32))) |
3ede3ece | 579 | (> (cdr (assq 'menu-bar-lines (frame-parameters))) 0)) |
1fe0333f | 580 | (menu-bar-mode t)) |
c722566c | 581 | |
e3bd99f5 | 582 | (run-hooks 'before-init-hook) |
3fc958a4 | 583 | |
09973c54 RM |
584 | ;; Run the site-start library if it exists. The point of this file is |
585 | ;; that it is run before .emacs. There is no point in doing this after | |
586 | ;; .emacs; that is useless. | |
b7444d31 RS |
587 | (if site-run-file |
588 | (load site-run-file t t)) | |
09973c54 | 589 | |
f3203589 KH |
590 | ;; Register avairable input methods by loading LEIM list file. |
591 | (load "leim-list.el" 'noerror 'nomessage 'nosuffix) | |
592 | ||
8a988f45 RS |
593 | ;; Sites should not disable this. Only individuals should disable |
594 | ;; the startup message. | |
595 | (setq inhibit-startup-message nil) | |
596 | ||
a726e0d1 | 597 | ;; Load that user's init file, or the default one, or none. |
3d1b78f0 RS |
598 | (let (debug-on-error-from-init-file |
599 | debug-on-error-should-be-set | |
600 | (debug-on-error-initial | |
601 | (if (eq init-file-debug t) 'startup init-file-debug))) | |
602 | (let ((debug-on-error debug-on-error-initial) | |
603 | ;; This function actually reads the init files. | |
604 | (inner | |
605 | (function | |
606 | (lambda () | |
607 | (if init-file-user | |
a4c5c705 RS |
608 | (progn |
609 | (setq user-init-file | |
610 | (cond | |
611 | ((eq system-type 'ms-dos) | |
612 | (concat "~" init-file-user "/_emacs")) | |
7d1aa45d | 613 | ((eq system-type 'windows-nt) |
521736d1 RS |
614 | (if (file-exists-p "~/.emacs") |
615 | "~/.emacs" | |
616 | "~/_emacs")) | |
a4c5c705 RS |
617 | ((eq system-type 'vax-vms) |
618 | "sys$login:.emacs") | |
619 | (t | |
620 | (concat "~" init-file-user "/.emacs")))) | |
10917a45 | 621 | (load user-init-file t t) |
a4c5c705 RS |
622 | (or inhibit-default-init |
623 | (let ((inhibit-startup-message nil)) | |
624 | ;; Users are supposed to be told their rights. | |
625 | ;; (Plus how to get help and how to undo.) | |
626 | ;; Don't you dare turn this off for anyone | |
627 | ;; except yourself. | |
628 | (load "default" t t))))))))) | |
3d1b78f0 RS |
629 | (if init-file-debug |
630 | ;; Do this without a condition-case if the user wants to debug. | |
631 | (funcall inner) | |
632 | (condition-case error | |
633 | (progn | |
634 | (funcall inner) | |
635 | (setq init-file-had-error nil)) | |
636 | (error (message "Error in init file: %s%s%s" | |
637 | (get (car error) 'error-message) | |
ad2aeb8d | 638 | (if (cdr error) ": " "") |
3d1b78f0 RS |
639 | (mapconcat 'prin1-to-string (cdr error) ", ")) |
640 | (setq init-file-had-error t)))) | |
ad2aeb8d | 641 | ;; If we can tell that the init file altered debug-on-error, |
3d1b78f0 RS |
642 | ;; arrange to preserve the value that it set up. |
643 | (or (eq debug-on-error debug-on-error-initial) | |
644 | (setq debug-on-error-should-be-set t | |
645 | debug-on-error-from-init-file debug-on-error))) | |
646 | (if debug-on-error-should-be-set | |
647 | (setq debug-on-error debug-on-error-from-init-file))) | |
3fc958a4 | 648 | |
556f7d77 RS |
649 | ;; Do this here in case the init file sets mail-host-address. |
650 | (or user-mail-address | |
651 | (setq user-mail-address (concat (user-login-name) "@" | |
652 | (or mail-host-address | |
653 | (system-name))))) | |
654 | ||
e3bd99f5 RM |
655 | (run-hooks 'after-init-hook) |
656 | ||
a726e0d1 JB |
657 | ;; If *scratch* exists and init file didn't change its mode, initialize it. |
658 | (if (get-buffer "*scratch*") | |
659 | (save-excursion | |
660 | (set-buffer "*scratch*") | |
661 | (if (eq major-mode 'fundamental-mode) | |
662 | (funcall initial-major-mode)))) | |
663 | ;; Load library for our terminal type. | |
664 | ;; User init file can set term-file-prefix to nil to prevent this. | |
665 | (and term-file-prefix (not noninteractive) (not window-system) | |
666 | (let ((term (getenv "TERM")) | |
667 | hyphend) | |
668 | (while (and term | |
669 | (not (load (concat term-file-prefix term) t t))) | |
670 | ;; Strip off last hyphen and what follows, then try again | |
671 | (if (setq hyphend (string-match "[-_][^-_]+$" term)) | |
672 | (setq term (substring term 0 hyphend)) | |
673 | (setq term nil))))) | |
674 | ||
03e3c30a | 675 | ;; Process the remaining args. |
a726e0d1 JB |
676 | (command-line-1 (cdr command-line-args)) |
677 | ||
678 | ;; If -batch, terminate after processing the command options. | |
679 | (if noninteractive (kill-emacs t))) | |
680 | ||
9fe3219e RS |
681 | (defcustom initial-scratch-message "\ |
682 | This buffer is for notes you don't want to save, and for Lisp evaluation. | |
683 | If you want to create a file, visit that file with C-x C-f, | |
684 | then enter the text in that file's own buffer. | |
685 | ||
686 | " | |
687 | "Initial message displayed in *scratch* buffer at startup. | |
688 | If this is nil, no message will be displayed." | |
689 | :type 'string) | |
690 | ||
a726e0d1 | 691 | (defun command-line-1 (command-line-args-left) |
52320897 | 692 | (or noninteractive (input-pending-p) init-file-had-error |
1d7da582 | 693 | (and inhibit-startup-echo-area-message |
42a3e6fa RS |
694 | (or (and (get 'inhibit-startup-echo-area-message 'saved-value) |
695 | (equal inhibit-startup-echo-area-message | |
d9a71a8f RS |
696 | (if (string= init-file-user "") |
697 | (user-login-name) | |
698 | init-file-user))) | |
42a3e6fa RS |
699 | ;; Wasn't set with custom; see if .emacs has a setq. |
700 | (let ((buffer (get-buffer-create " *temp*"))) | |
701 | (prog1 | |
702 | (condition-case nil | |
703 | (save-excursion | |
704 | (set-buffer buffer) | |
705 | (insert-file-contents user-init-file) | |
706 | (re-search-forward | |
707 | (concat | |
708 | "([ \t\n]*setq[ \t\n]+" | |
709 | "inhibit-startup-echo-area-message[ \t\n]+" | |
710 | (regexp-quote | |
711 | (prin1-to-string | |
712 | (if (string= init-file-user "") | |
713 | (user-login-name) | |
714 | init-file-user))) | |
715 | "[ \t\n]*)") | |
716 | nil t)) | |
717 | (error nil)) | |
718 | (kill-buffer buffer))))) | |
1d7da582 RS |
719 | (message (if (eq (key-binding "\C-h\C-p") 'describe-project) |
720 | "For information about the GNU Project and its goals, type C-h C-p." | |
721 | (substitute-command-keys | |
722 | "For information about the GNU Project and its goals, type \\[describe-project].")))) | |
a726e0d1 JB |
723 | (if (null command-line-args-left) |
724 | (cond ((and (not inhibit-startup-message) (not noninteractive) | |
725 | ;; Don't clobber a non-scratch buffer if init file | |
726 | ;; has selected it. | |
8baabd2a | 727 | (string= (buffer-name) "*scratch*")) |
a726e0d1 JB |
728 | ;; If there are no switches to process, we might as well |
729 | ;; run this hook now, and there may be some need to do it | |
730 | ;; before doing any output. | |
731 | (and term-setup-hook | |
732 | (run-hooks 'term-setup-hook)) | |
733 | ;; Don't let the hook be run twice. | |
734 | (setq term-setup-hook nil) | |
4e1b1e72 JB |
735 | |
736 | ;; It's important to notice the user settings before we | |
737 | ;; display the startup message; otherwise, the settings | |
738 | ;; won't take effect until the user gives the first | |
739 | ;; keystroke, and that's distracting. | |
740 | (if (fboundp 'frame-notice-user-settings) | |
741 | (frame-notice-user-settings)) | |
742 | ||
a726e0d1 JB |
743 | (and window-setup-hook |
744 | (run-hooks 'window-setup-hook)) | |
745 | (setq window-setup-hook nil) | |
fd11871a RS |
746 | ;; Do this now to avoid an annoying delay if the user |
747 | ;; clicks the menu bar during the sit-for. | |
2da0d7db | 748 | (if (memq window-system '(x w32)) |
365636dc | 749 | (precompute-menubar-bindings)) |
fd11871a | 750 | (setq menubar-bindings-done t) |
f862008d RS |
751 | (when (= (buffer-size) 0) |
752 | (let ((buffer-undo-list t)) | |
753 | (unwind-protect | |
8baabd2a | 754 | (when (not (input-pending-p)) |
f862008d RS |
755 | (goto-char (point-max)) |
756 | ;; The convention for this piece of code is that | |
757 | ;; each piece of output starts with one or two newlines | |
758 | ;; and does not end with any newlines. | |
759 | (insert "Welcome to GNU Emacs") | |
760 | (if (eq system-type 'gnu/linux) | |
761 | (insert ", one component of a Linux-based GNU system.")) | |
762 | (insert "\n") | |
acfd1011 RS |
763 | (if (assq 'display (frame-parameters)) |
764 | (progn | |
765 | (insert "\ | |
766 | The menu bar menus above are sufficient for basic editing with the mouse, | |
767 | ||
768 | Useful Files menu items: | |
769 | Exit Emacs (or type Control-x followed by Control-c) | |
770 | Recover Session recover files you were editing before a crash | |
771 | ||
772 | Important Help menu items: | |
773 | Emacs Tutorial Learn-by-doing tutorial for using Emacs efficiently. | |
774 | \(Non)Warranty GNU Emacs comes with ABSOLUTELY NO WARRANTY | |
775 | Copying Conditions Conditions for redistributing and changing Emacs. | |
776 | Getting New Versions How to obtain the latest version of Emacs. | |
777 | ") | |
778 | (insert "\n\n" (emacs-version) | |
779 | " | |
780 | Copyright (C) 1998 Free Software Foundation, Inc.")) | |
781 | ;; If keys have their default meanings, | |
782 | ;; use precomputed string to save lots of time. | |
783 | (if (and (eq (key-binding "\C-h") 'help-command) | |
784 | (eq (key-binding "\C-xu") 'advertised-undo) | |
785 | (eq (key-binding "\C-x\C-c") 'save-buffers-kill-emacs) | |
786 | (eq (key-binding "\C-ht") 'help-with-tutorial) | |
787 | (eq (key-binding "\C-hi") 'info) | |
788 | (eq (key-binding "\C-h\C-n") 'view-emacs-news)) | |
789 | (insert " | |
3f5a3e12 RS |
790 | Get help C-h (Hold down CTRL and press h) |
791 | Undo changes C-x u Exit Emacs C-x C-c | |
792 | Get a tutorial C-h t Use Info to read docs C-h i") | |
acfd1011 RS |
793 | (insert (substitute-command-keys |
794 | (format "\n | |
3f5a3e12 RS |
795 | Get help %s |
796 | Undo changes \\[advertised-undo] | |
797 | Exit Emacs \\[save-buffers-kill-emacs] | |
798 | Get a tutorial \\[help-with-tutorial] | |
799 | Use Info to read docs \\[info]" | |
acfd1011 RS |
800 | (let ((where (where-is-internal |
801 | 'help-command nil t))) | |
802 | (if where | |
803 | (key-description where) | |
804 | "M-x help")))))) | |
805 | ;; Say how to use the menu bar | |
806 | ;; if that is not with the mouse. | |
807 | (if (and (eq (key-binding "\M-`") 'tmm-menubar) | |
808 | (eq (key-binding [f10]) 'tmm-menubar)) | |
809 | (insert " | |
3f5a3e12 | 810 | Activate menubar F10 or ESC ` or M-`") |
acfd1011 RS |
811 | (insert (substitute-command-keys " |
812 | Activate menubar \\[tmm-menubar]"))) | |
e65a6404 | 813 | |
f862008d RS |
814 | ;; Windows and MSDOS (currently) do not count as |
815 | ;; window systems, but do have mouse support. | |
acfd1011 RS |
816 | (if window-system |
817 | (insert " | |
3f5a3e12 | 818 | Mode-specific menu C-mouse-3 (third button, with CTRL)")) |
acfd1011 RS |
819 | ;; Many users seem to have problems with these. |
820 | (insert " | |
3f5a3e12 RS |
821 | \(`C-' means use the CTRL key. `M-' means use the Meta (or Alt) key. |
822 | If you have no Meta key, you may instead type ESC followed by the character.)") | |
acfd1011 RS |
823 | (and auto-save-list-file-prefix |
824 | (directory-files | |
825 | (file-name-directory auto-save-list-file-prefix) | |
826 | nil | |
827 | (concat "\\`" | |
828 | (regexp-quote (file-name-nondirectory | |
829 | auto-save-list-file-prefix))) | |
830 | t) | |
831 | (insert "\n\nIf an Emacs session crashed recently, " | |
832 | "type M-x recover-session RET\nto recover" | |
833 | " the files you were editing.")) | |
834 | ||
835 | (insert "\n\n" (emacs-version) | |
836 | " | |
837 | Copyright (C) 1998 Free Software Foundation, Inc.") | |
838 | (if (and (eq (key-binding "\C-h\C-c") 'describe-copying) | |
839 | (eq (key-binding "\C-h\C-d") 'describe-distribution) | |
840 | (eq (key-binding "\C-h\C-w") 'describe-no-warranty)) | |
841 | (insert | |
842 | "\n | |
a726e0d1 JB |
843 | GNU Emacs comes with ABSOLUTELY NO WARRANTY; type C-h C-w for full details. |
844 | You may give out copies of Emacs; type C-h C-c to see the conditions. | |
845 | Type C-h C-d for information on getting the latest version.") | |
acfd1011 RS |
846 | (insert (substitute-command-keys |
847 | "\n | |
a726e0d1 JB |
848 | GNU Emacs comes with ABSOLUTELY NO WARRANTY; type \\[describe-no-warranty] for full details. |
849 | You may give out copies of Emacs; type \\[describe-copying] to see the conditions. | |
acfd1011 | 850 | Type \\[describe-distribution] for information on getting the latest version.")))) |
f862008d | 851 | (goto-char (point-min)) |
fb3afe87 | 852 | |
f862008d RS |
853 | (set-buffer-modified-p nil) |
854 | (sit-for 120)) | |
855 | (with-current-buffer (get-buffer "*scratch*") | |
856 | (erase-buffer) | |
9fe3219e RS |
857 | (and initial-scratch-message |
858 | (insert initial-scratch-message)) | |
f862008d | 859 | (set-buffer-modified-p nil))))))) |
eca1cf26 RS |
860 | ;; Delay 2 seconds after the init file error message |
861 | ;; was displayed, so user can read it. | |
862 | (if init-file-had-error | |
863 | (sit-for 2)) | |
09a1077c | 864 | (let ((dir command-line-default-directory) |
a726e0d1 JB |
865 | (file-count 0) |
866 | first-file-buffer | |
14d9a663 RS |
867 | tem |
868 | just-files ;; t if this follows the magic -- option. | |
869 | ;; This includes our standard options' long versions | |
870 | ;; and long versions of what's on command-switch-alist. | |
871 | (longopts | |
872 | (append '(("--funcall") ("--load") ("--insert") ("--kill") | |
873 | ("--directory") ("--eval") ("--find-file") ("--visit")) | |
874 | (mapcar '(lambda (elt) | |
875 | (list (concat "-" (car elt)))) | |
876 | command-switch-alist))) | |
a726e0d1 | 877 | (line 0)) |
14d9a663 RS |
878 | |
879 | ;; Add the long X options to longopts. | |
880 | (setq tem command-line-x-option-alist) | |
881 | (while tem | |
882 | (if (string-match "^--" (car (car tem))) | |
883 | (setq longopts (cons (list (car (car tem))) longopts))) | |
884 | (setq tem (cdr tem))) | |
885 | ||
886 | ;; Loop, processing options. | |
887 | (while (and command-line-args-left) | |
3f53ddd0 RS |
888 | (let* ((argi (car command-line-args-left)) |
889 | (orig-argi argi) | |
14d9a663 | 890 | argval completion |
aba66e2a RS |
891 | ;; List of directories specified in -L/--directory, |
892 | ;; in reverse of the order specified. | |
893 | extra-load-path | |
894 | (initial-load-path load-path)) | |
a726e0d1 | 895 | (setq command-line-args-left (cdr command-line-args-left)) |
3f53ddd0 | 896 | |
14d9a663 RS |
897 | ;; Do preliminary decoding of the option. |
898 | (if just-files | |
899 | ;; After --, don't look for options; treat all args as files. | |
900 | (setq argi "") | |
901 | ;; Convert long options to ordinary options | |
902 | ;; and separate out an attached option argument into argval. | |
903 | (if (string-match "^--[^=]*=" argi) | |
904 | (setq argval (substring argi (match-end 0)) | |
905 | argi (substring argi 0 (1- (match-end 0))))) | |
906 | (if (equal argi "--") | |
907 | (setq completion nil) | |
908 | (setq completion (try-completion argi longopts))) | |
909 | (if (eq completion t) | |
910 | (setq argi (substring argi 1)) | |
911 | (if (stringp completion) | |
912 | (let ((elt (assoc completion longopts))) | |
913 | (or elt | |
914 | (error "Option `%s' is ambiguous" argi)) | |
915 | (setq argi (substring (car elt) 1))) | |
916 | (setq argval nil argi orig-argi)))) | |
3f53ddd0 RS |
917 | |
918 | ;; Execute the option. | |
a726e0d1 | 919 | (cond ((setq tem (assoc argi command-switch-alist)) |
3f53ddd0 RS |
920 | (if argval |
921 | (let ((command-line-args-left | |
922 | (cons argval command-line-args-left))) | |
923 | (funcall (cdr tem) argi)) | |
924 | (funcall (cdr tem) argi))) | |
a726e0d1 JB |
925 | ((or (string-equal argi "-f") ;what the manual claims |
926 | (string-equal argi "-funcall") | |
927 | (string-equal argi "-e")) ; what the source used to say | |
3f53ddd0 RS |
928 | (if argval |
929 | (setq tem (intern argval)) | |
930 | (setq tem (intern (car command-line-args-left))) | |
931 | (setq command-line-args-left (cdr command-line-args-left))) | |
1908c565 RS |
932 | (if (arrayp (symbol-function tem)) |
933 | (command-execute tem) | |
934 | (funcall tem))) | |
e6b75e30 RS |
935 | ((string-equal argi "-eval") |
936 | (if argval | |
937 | (setq tem argval) | |
938 | (setq tem (car command-line-args-left)) | |
939 | (setq command-line-args-left (cdr command-line-args-left))) | |
955093c9 | 940 | (eval (read tem))) |
aba66e2a RS |
941 | ;; Set the default directory as specified in -L. |
942 | ((or (string-equal argi "-L") | |
943 | (string-equal argi "-directory")) | |
944 | (if argval | |
945 | (setq tem argval) | |
946 | (setq tem (car command-line-args-left) | |
947 | command-line-args-left (cdr command-line-args-left))) | |
47c7adae | 948 | (setq tem (command-line-normalize-file-name tem)) |
aba66e2a RS |
949 | (setq extra-load-path |
950 | (cons (expand-file-name tem) extra-load-path)) | |
951 | (setq load-path (append (nreverse extra-load-path) | |
952 | initial-load-path))) | |
a726e0d1 JB |
953 | ((or (string-equal argi "-l") |
954 | (string-equal argi "-load")) | |
3f53ddd0 RS |
955 | (if argval |
956 | (setq tem argval) | |
957 | (setq tem (car command-line-args-left) | |
958 | command-line-args-left (cdr command-line-args-left))) | |
47c7adae | 959 | (let ((file (command-line-normalize-file-name tem))) |
a726e0d1 JB |
960 | ;; Take file from default dir if it exists there; |
961 | ;; otherwise let `load' search for it. | |
962 | (if (file-exists-p (expand-file-name file)) | |
963 | (setq file (expand-file-name file))) | |
3f53ddd0 | 964 | (load file nil t))) |
fbce8654 | 965 | ((string-equal argi "-insert") |
3f53ddd0 RS |
966 | (if argval |
967 | (setq tem argval) | |
968 | (setq tem (car command-line-args-left) | |
969 | command-line-args-left (cdr command-line-args-left))) | |
2d2aae54 EN |
970 | (or (stringp tem) |
971 | (error "File name omitted from `-insert' option")) | |
47c7adae | 972 | (insert-file-contents (command-line-normalize-file-name tem))) |
a726e0d1 JB |
973 | ((string-equal argi "-kill") |
974 | (kill-emacs t)) | |
975 | ((string-match "^\\+[0-9]+\\'" argi) | |
976 | (setq line (string-to-int argi))) | |
b3afdeb8 RS |
977 | ((setq tem (assoc argi command-line-x-option-alist)) |
978 | ;; Ignore X-windows options and their args if not using X. | |
979 | (setq command-line-args-left | |
980 | (nthcdr (nth 1 tem) command-line-args-left))) | |
14d9a663 RS |
981 | ((or (string-equal argi "-find-file") |
982 | (string-equal argi "-visit")) | |
983 | ;; An explicit option to specify visiting a file. | |
984 | (setq file-count (1+ file-count)) | |
985 | (let ((file | |
986 | (expand-file-name | |
987 | (command-line-normalize-file-name orig-argi) | |
988 | dir))) | |
989 | (if (= file-count 1) | |
990 | (setq first-file-buffer (find-file file)) | |
991 | (find-file-other-window file))) | |
992 | (or (zerop line) | |
993 | (goto-line line)) | |
994 | (setq line 0)) | |
f7ad212d | 995 | ((equal argi "--") |
14d9a663 | 996 | (setq just-files t)) |
a726e0d1 JB |
997 | (t |
998 | ;; We have almost exhausted our options. See if the | |
999 | ;; user has made any other command-line options available | |
1000 | (let ((hooks command-line-functions);; lrs 7/31/89 | |
1001 | (did-hook nil)) | |
1002 | (while (and hooks | |
1003 | (not (setq did-hook (funcall (car hooks))))) | |
1004 | (setq hooks (cdr hooks))) | |
1005 | (if (not did-hook) | |
1006 | ;; Ok, presume that the argument is a file name | |
1007 | (progn | |
7a79b90c RS |
1008 | (if (string-match "\\`-" argi) |
1009 | (error "Unknown option `%s'" argi)) | |
a726e0d1 | 1010 | (setq file-count (1+ file-count)) |
14d9a663 RS |
1011 | (let ((file |
1012 | (expand-file-name | |
1013 | (command-line-normalize-file-name orig-argi) | |
1014 | dir))) | |
1015 | (if (= file-count 1) | |
1016 | (setq first-file-buffer (find-file file)) | |
1017 | (find-file-other-window file))) | |
a726e0d1 JB |
1018 | (or (zerop line) |
1019 | (goto-line line)) | |
1020 | (setq line 0)))))))) | |
1021 | ;; If 3 or more files visited, and not all visible, | |
1022 | ;; show user what they all are. | |
ac707ebc RS |
1023 | (and (> file-count 2) |
1024 | (not noninteractive) | |
1025 | (or (get-buffer-window first-file-buffer) | |
1026 | (progn (other-window 1) | |
1027 | (buffer-menu))))))) | |
c88ab9ce | 1028 | |
47c7adae RS |
1029 | (defun command-line-normalize-file-name (file) |
1030 | "Collapse multiple slashes to one, to handle non-Emacs file names." | |
6b9e794f RS |
1031 | (save-match-data |
1032 | ;; Use arg 1 so that we don't collapse // at the start of the file name. | |
1033 | ;; That is significant on some systems. | |
1034 | ;; However, /// at the beginning is supposed to mean just /, not //. | |
1035 | (if (string-match "^///+" file) | |
1036 | (setq file (replace-match "/" t t file))) | |
1037 | (while (string-match "//+" file 1) | |
1038 | (setq file (replace-match "/" t t file))) | |
1039 | file)) | |
47c7adae | 1040 | |
c88ab9ce | 1041 | ;;; startup.el ends here |