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c88ab9ce ER |
1 | ;;; startup.el --- process Emacs shell arguments |
2 | ||
9596811a | 3 | ;; Copyright (C) 1985, 86, 92, 94, 95, 1996 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 RS |
327 | from being initialized." |
328 | :type 'string | |
329 | :group 'auto-save) | |
2e05d063 | 330 | |
a726e0d1 JB |
331 | (defvar init-file-debug nil) |
332 | ||
52320897 RS |
333 | (defvar init-file-had-error nil) |
334 | ||
e87a7309 RS |
335 | ;; This function is called from the subdirs.el file. |
336 | (defun normal-top-level-add-to-load-path (dirs) | |
cd1c10f6 RS |
337 | (let ((tail load-path) |
338 | (thisdir (directory-file-name default-directory))) | |
339 | (while (and tail | |
340 | (not (equal thisdir (car tail))) | |
341 | (not (and (memq system-type '(ms-dos windows-nt)) | |
342 | (equal (downcase thisdir) (downcase (car tail)))))) | |
343 | (setq tail (cdr tail))) | |
e87a7309 RS |
344 | (setcdr tail (append (mapcar 'expand-file-name dirs) (cdr tail))))) |
345 | ||
a726e0d1 JB |
346 | (defun normal-top-level () |
347 | (if command-line-processed | |
348 | (message "Back to top level.") | |
349 | (setq command-line-processed t) | |
8d4c2221 RS |
350 | ;; Give *Messages* the same default-directory as *scratch*, |
351 | ;; just to keep things predictable. | |
352 | (let ((dir default-directory)) | |
353 | (save-excursion | |
354 | (set-buffer (get-buffer "*Messages*")) | |
355 | (setq default-directory dir))) | |
e87a7309 RS |
356 | ;; Look in each dir in load-path for a subdirs.el file. |
357 | ;; If we find one, load it, which will add the appropriate subdirs | |
358 | ;; of that dir into load-path, | |
359 | (let ((tail load-path) | |
360 | new) | |
361 | (while tail | |
362 | (setq new (cons (car tail) new)) | |
363 | (let ((default-directory (car tail))) | |
364 | (load (expand-file-name "subdirs.el" (car tail)) t t t)) | |
365 | (setq tail (cdr tail)))) | |
ffd56f97 | 366 | (if (not (eq system-type 'vax-vms)) |
a4b33896 JB |
367 | (progn |
368 | ;; If the PWD environment variable isn't accurate, delete it. | |
369 | (let ((pwd (getenv "PWD"))) | |
370 | (and (stringp pwd) | |
371 | ;; Use FOO/., so that if FOO is a symlink, file-attributes | |
372 | ;; describes the directory linked to, not FOO itself. | |
373 | (or (equal (file-attributes | |
374 | (concat (file-name-as-directory pwd) ".")) | |
375 | (file-attributes | |
376 | (concat (file-name-as-directory default-directory) | |
377 | "."))) | |
378 | (setq process-environment | |
379 | (delete (concat "PWD=" pwd) | |
380 | process-environment))))))) | |
492878e4 | 381 | (setq default-directory (abbreviate-file-name default-directory)) |
6f2c86fa KH |
382 | (let ((menubar-bindings-done nil)) |
383 | (unwind-protect | |
384 | (command-line) | |
385 | ;; Do this again, in case .emacs defined more abbreviations. | |
386 | (setq default-directory (abbreviate-file-name default-directory)) | |
b3c7c12c RS |
387 | ;; Specify the file for recording all the auto save files of this session. |
388 | ;; This is used by recover-session. | |
cdee38c3 KH |
389 | (or auto-save-list-file-name |
390 | (and auto-save-list-file-prefix | |
391 | (setq auto-save-list-file-name | |
1f7f78f1 RS |
392 | ;; Under MS-DOS our PID is almost always reused between |
393 | ;; Emacs invocations. We need something more unique. | |
394 | (if (eq system-type 'ms-dos) | |
2c42ec0b RS |
395 | (concat |
396 | (make-temp-name | |
397 | (expand-file-name auto-save-list-file-prefix)) | |
398 | "~") | |
399 | ||
400 | (expand-file-name (format "%s%d-%s~" | |
1f7f78f1 RS |
401 | auto-save-list-file-prefix |
402 | (emacs-pid) | |
403 | (system-name))))))) | |
6f2c86fa KH |
404 | (run-hooks 'emacs-startup-hook) |
405 | (and term-setup-hook | |
406 | (run-hooks 'term-setup-hook)) | |
407 | ;; Modify the initial frame based on what .emacs puts into | |
408 | ;; ...-frame-alist. | |
409 | (if (fboundp 'frame-notice-user-settings) | |
410 | (frame-notice-user-settings)) | |
411 | ;; Now we know the user's default font, so add it to the menu. | |
412 | (if (fboundp 'font-menu-add-default) | |
413 | (font-menu-add-default)) | |
414 | (and window-setup-hook | |
415 | (run-hooks 'window-setup-hook)) | |
416 | (or menubar-bindings-done | |
2da0d7db | 417 | (if (memq window-system '(x w32)) |
365636dc | 418 | (precompute-menubar-bindings))))))) |
6f2c86fa KH |
419 | |
420 | ;; Precompute the keyboard equivalents in the menu bar items. | |
421 | (defun precompute-menubar-bindings () | |
365636dc RS |
422 | (let ((submap (lookup-key global-map [menu-bar]))) |
423 | (while submap | |
424 | (and (consp (car submap)) | |
425 | (symbolp (car (car submap))) | |
426 | (stringp (car-safe (cdr (car submap)))) | |
427 | (keymapp (cdr (cdr (car submap)))) | |
a18042d7 RS |
428 | (progn |
429 | (x-popup-menu nil (cdr (cdr (car submap)))) | |
430 | (if purify-flag | |
431 | (garbage-collect)))) | |
365636dc RS |
432 | (setq submap (cdr submap)))) |
433 | (setq define-key-rebound-commands t)) | |
a726e0d1 JB |
434 | |
435 | (defun command-line () | |
09a1077c RS |
436 | (setq command-line-default-directory default-directory) |
437 | ||
74f2ab06 | 438 | ;; See if we should import version-control from the environment variable. |
a726e0d1 JB |
439 | (let ((vc (getenv "VERSION_CONTROL"))) |
440 | (cond ((eq vc nil)) ;don't do anything if not set | |
441 | ((or (string= vc "t") | |
442 | (string= vc "numbered")) | |
443 | (setq version-control t)) | |
444 | ((or (string= vc "nil") | |
445 | (string= vc "existing")) | |
446 | (setq version-control nil)) | |
447 | ((or (string= vc "never") | |
448 | (string= vc "simple")) | |
449 | (setq version-control 'never)))) | |
450 | ||
911ea13b RS |
451 | (let ((ctype |
452 | ;; Use the first of these three envvars that has a nonempty value. | |
453 | (or (let ((string (getenv "LC_ALL"))) | |
454 | (and (not (equal string "")) string)) | |
455 | (let ((string (getenv "LC_CTYPE"))) | |
456 | (and (not (equal string "")) string)) | |
457 | (let ((string (getenv "LANG"))) | |
42a3e6fa | 458 | (and (not (equal string "")) string))))) |
911ea13b RS |
459 | (when (and ctype |
460 | (string-match iso-8859-n-locale-regexp ctype)) | |
42a3e6fa RS |
461 | (let (charset (which (match-string 1 ctype))) |
462 | (if (equal "5" which) | |
463 | (setq which "9")) | |
464 | (setq charset (concat "latin-" which)) | |
465 | ;; Set up for this character set in multibyte mode. | |
466 | (if (string-match "latin-[12345]" charset) | |
35ae8ec8 RS |
467 | (set-language-environment charset)) |
468 | (standard-display-european t charset)))) | |
e9d8e8c7 | 469 | |
79058860 JB |
470 | ;;! This has been commented out; I currently find the behavior when |
471 | ;;! split-window-keep-point is nil disturbing, but if I can get used | |
472 | ;;! to it, then it would be better to eliminate the option. | |
473 | ;;! ;; Choose a good default value for split-window-keep-point. | |
474 | ;;! (setq split-window-keep-point (> baud-rate 2400)) | |
f35fe3c6 | 475 | |
a726e0d1 | 476 | ;; Read window system's init file if using a window system. |
1ed14cfd RS |
477 | (condition-case error |
478 | (if (and window-system (not noninteractive)) | |
479 | (load (concat term-file-prefix | |
480 | (symbol-name window-system) | |
481 | "-win") | |
482 | ;; Every window system should have a startup file; | |
483 | ;; barf if we can't find it. | |
484 | nil t)) | |
485 | ;; If we can't read it, print the error message and exit. | |
486 | (error | |
2677ad61 RS |
487 | (princ |
488 | (if (eq (car error) 'error) | |
489 | (apply 'concat (cdr error)) | |
490 | (if (memq 'file-error (get (car error) 'error-conditions)) | |
491 | (format "%s: %s" | |
492 | (nth 1 error) | |
493 | (mapconcat '(lambda (obj) (prin1-to-string obj t)) | |
494 | (cdr (cdr error)) ", ")) | |
495 | (format "%s: %s" | |
496 | (get (car error) 'error-message) | |
497 | (mapconcat '(lambda (obj) (prin1-to-string obj t)) | |
498 | (cdr error) ", ")))) | |
499 | 'external-debugging-output) | |
500 | (setq window-system nil) | |
1ed14cfd | 501 | (kill-emacs))) |
a726e0d1 | 502 | |
03e3c30a JB |
503 | (let ((done nil) |
504 | (args (cdr command-line-args))) | |
505 | ||
a726e0d1 JB |
506 | ;; Figure out which user's init file to load, |
507 | ;; either from the environment or from the options. | |
508 | (setq init-file-user (if noninteractive nil (user-login-name))) | |
509 | ;; If user has not done su, use current $HOME to find .emacs. | |
510 | (and init-file-user (string= init-file-user (user-real-login-name)) | |
511 | (setq init-file-user "")) | |
03e3c30a JB |
512 | |
513 | ;; Process the command-line args, and delete the arguments | |
514 | ;; processed. This is consistent with the way main in emacs.c | |
515 | ;; does things. | |
a726e0d1 | 516 | (while (and (not done) args) |
096b7031 | 517 | (let ((longopts '(("--no-init-file") ("--no-site-file") ("--user") |
a360cae9 | 518 | ("--debug-init") ("--iconic") ("--icon-type"))) |
096b7031 KH |
519 | (argi (car args)) |
520 | (argval nil)) | |
452e9090 RS |
521 | ;; Handle --OPTION=VALUE format. |
522 | (if (and (string-match "\\`--" argi) | |
523 | (string-match "=" argi)) | |
a981e7ff KH |
524 | (setq argval (substring argi (match-end 0)) |
525 | argi (substring argi 0 (match-beginning 0)))) | |
f7ad212d RS |
526 | (or (equal argi "--") |
527 | (let ((completion (try-completion argi longopts))) | |
528 | (if (eq completion t) | |
529 | (setq argi (substring argi 1)) | |
530 | (if (stringp completion) | |
531 | (let ((elt (assoc completion longopts))) | |
532 | (or elt | |
533 | (error "Option `%s' is ambiguous" argi)) | |
534 | (setq argi (substring (car elt) 1))) | |
535 | (setq argval nil))))) | |
a726e0d1 JB |
536 | (cond |
537 | ((or (string-equal argi "-q") | |
538 | (string-equal argi "-no-init-file")) | |
539 | (setq init-file-user nil | |
540 | args (cdr args))) | |
541 | ((or (string-equal argi "-u") | |
542 | (string-equal argi "-user")) | |
096b7031 | 543 | (or argval |
d3bea05f RS |
544 | (setq args (cdr args) |
545 | argval (car args))) | |
096b7031 KH |
546 | (setq init-file-user argval |
547 | argval nil | |
a726e0d1 | 548 | args (cdr args))) |
b7444d31 RS |
549 | ((string-equal argi "-no-site-file") |
550 | (setq site-run-file nil | |
551 | args (cdr args))) | |
a726e0d1 JB |
552 | ((string-equal argi "-debug-init") |
553 | (setq init-file-debug t | |
554 | args (cdr args))) | |
a360cae9 RS |
555 | ((string-equal argi "-iconic") |
556 | (setq initial-frame-alist | |
557 | (cons '(visibility . icon) initial-frame-alist)) | |
558 | (setq args (cdr args))) | |
559 | ((or (string-equal argi "-icon-type") | |
560 | (string-equal argi "-i") | |
561 | (string-equal argi "-itype")) | |
562 | (setq default-frame-alist | |
563 | (cons '(icon-type . t) default-frame-alist)) | |
564 | (setq args (cdr args))) | |
096b7031 KH |
565 | (t (setq done t))) |
566 | ;; Was argval set but not used? | |
567 | (and argval | |
568 | (error "Option `%s' doesn't allow an argument" argi)))) | |
569 | ||
03e3c30a | 570 | ;; Re-attach the program name to the front of the arg list. |
4048e56d | 571 | (and command-line-args (setcdr command-line-args args))) |
a726e0d1 | 572 | |
c722566c | 573 | ;; Under X Windows, this creates the X frame and deletes the terminal frame. |
853ccbd5 RS |
574 | (if (fboundp 'frame-initialize) |
575 | (frame-initialize)) | |
1fe0333f | 576 | ;; If frame was created with a menu bar, set menu-bar-mode on. |
2da0d7db | 577 | (if (or (not (memq window-system '(x w32))) |
3ede3ece | 578 | (> (cdr (assq 'menu-bar-lines (frame-parameters))) 0)) |
1fe0333f | 579 | (menu-bar-mode t)) |
c722566c | 580 | |
e3bd99f5 | 581 | (run-hooks 'before-init-hook) |
3fc958a4 | 582 | |
09973c54 RM |
583 | ;; Run the site-start library if it exists. The point of this file is |
584 | ;; that it is run before .emacs. There is no point in doing this after | |
585 | ;; .emacs; that is useless. | |
b7444d31 RS |
586 | (if site-run-file |
587 | (load site-run-file t t)) | |
09973c54 | 588 | |
f3203589 KH |
589 | ;; Register avairable input methods by loading LEIM list file. |
590 | (load "leim-list.el" 'noerror 'nomessage 'nosuffix) | |
591 | ||
8a988f45 RS |
592 | ;; Sites should not disable this. Only individuals should disable |
593 | ;; the startup message. | |
594 | (setq inhibit-startup-message nil) | |
595 | ||
a726e0d1 | 596 | ;; Load that user's init file, or the default one, or none. |
3d1b78f0 RS |
597 | (let (debug-on-error-from-init-file |
598 | debug-on-error-should-be-set | |
599 | (debug-on-error-initial | |
600 | (if (eq init-file-debug t) 'startup init-file-debug))) | |
601 | (let ((debug-on-error debug-on-error-initial) | |
602 | ;; This function actually reads the init files. | |
603 | (inner | |
604 | (function | |
605 | (lambda () | |
606 | (if init-file-user | |
a4c5c705 RS |
607 | (progn |
608 | (setq user-init-file | |
609 | (cond | |
610 | ((eq system-type 'ms-dos) | |
611 | (concat "~" init-file-user "/_emacs")) | |
7d1aa45d | 612 | ((eq system-type 'windows-nt) |
521736d1 RS |
613 | (if (file-exists-p "~/.emacs") |
614 | "~/.emacs" | |
615 | "~/_emacs")) | |
a4c5c705 RS |
616 | ((eq system-type 'vax-vms) |
617 | "sys$login:.emacs") | |
618 | (t | |
619 | (concat "~" init-file-user "/.emacs")))) | |
10917a45 | 620 | (load user-init-file t t) |
a4c5c705 RS |
621 | (or inhibit-default-init |
622 | (let ((inhibit-startup-message nil)) | |
623 | ;; Users are supposed to be told their rights. | |
624 | ;; (Plus how to get help and how to undo.) | |
625 | ;; Don't you dare turn this off for anyone | |
626 | ;; except yourself. | |
627 | (load "default" t t))))))))) | |
3d1b78f0 RS |
628 | (if init-file-debug |
629 | ;; Do this without a condition-case if the user wants to debug. | |
630 | (funcall inner) | |
631 | (condition-case error | |
632 | (progn | |
633 | (funcall inner) | |
634 | (setq init-file-had-error nil)) | |
635 | (error (message "Error in init file: %s%s%s" | |
636 | (get (car error) 'error-message) | |
ad2aeb8d | 637 | (if (cdr error) ": " "") |
3d1b78f0 RS |
638 | (mapconcat 'prin1-to-string (cdr error) ", ")) |
639 | (setq init-file-had-error t)))) | |
ad2aeb8d | 640 | ;; If we can tell that the init file altered debug-on-error, |
3d1b78f0 RS |
641 | ;; arrange to preserve the value that it set up. |
642 | (or (eq debug-on-error debug-on-error-initial) | |
643 | (setq debug-on-error-should-be-set t | |
644 | debug-on-error-from-init-file debug-on-error))) | |
645 | (if debug-on-error-should-be-set | |
646 | (setq debug-on-error debug-on-error-from-init-file))) | |
3fc958a4 | 647 | |
556f7d77 RS |
648 | ;; Do this here in case the init file sets mail-host-address. |
649 | (or user-mail-address | |
650 | (setq user-mail-address (concat (user-login-name) "@" | |
651 | (or mail-host-address | |
652 | (system-name))))) | |
653 | ||
e3bd99f5 RM |
654 | (run-hooks 'after-init-hook) |
655 | ||
a726e0d1 JB |
656 | ;; If *scratch* exists and init file didn't change its mode, initialize it. |
657 | (if (get-buffer "*scratch*") | |
658 | (save-excursion | |
659 | (set-buffer "*scratch*") | |
660 | (if (eq major-mode 'fundamental-mode) | |
661 | (funcall initial-major-mode)))) | |
662 | ;; Load library for our terminal type. | |
663 | ;; User init file can set term-file-prefix to nil to prevent this. | |
664 | (and term-file-prefix (not noninteractive) (not window-system) | |
665 | (let ((term (getenv "TERM")) | |
666 | hyphend) | |
667 | (while (and term | |
668 | (not (load (concat term-file-prefix term) t t))) | |
669 | ;; Strip off last hyphen and what follows, then try again | |
670 | (if (setq hyphend (string-match "[-_][^-_]+$" term)) | |
671 | (setq term (substring term 0 hyphend)) | |
672 | (setq term nil))))) | |
673 | ||
03e3c30a | 674 | ;; Process the remaining args. |
a726e0d1 JB |
675 | (command-line-1 (cdr command-line-args)) |
676 | ||
677 | ;; If -batch, terminate after processing the command options. | |
678 | (if noninteractive (kill-emacs t))) | |
679 | ||
9fe3219e RS |
680 | (defcustom initial-scratch-message "\ |
681 | This buffer is for notes you don't want to save, and for Lisp evaluation. | |
682 | If you want to create a file, visit that file with C-x C-f, | |
683 | then enter the text in that file's own buffer. | |
684 | ||
685 | " | |
686 | "Initial message displayed in *scratch* buffer at startup. | |
687 | If this is nil, no message will be displayed." | |
688 | :type 'string) | |
689 | ||
a726e0d1 | 690 | (defun command-line-1 (command-line-args-left) |
52320897 | 691 | (or noninteractive (input-pending-p) init-file-had-error |
1d7da582 | 692 | (and inhibit-startup-echo-area-message |
42a3e6fa RS |
693 | (or (and (get 'inhibit-startup-echo-area-message 'saved-value) |
694 | (equal inhibit-startup-echo-area-message | |
d9a71a8f RS |
695 | (if (string= init-file-user "") |
696 | (user-login-name) | |
697 | init-file-user))) | |
42a3e6fa RS |
698 | ;; Wasn't set with custom; see if .emacs has a setq. |
699 | (let ((buffer (get-buffer-create " *temp*"))) | |
700 | (prog1 | |
701 | (condition-case nil | |
702 | (save-excursion | |
703 | (set-buffer buffer) | |
704 | (insert-file-contents user-init-file) | |
705 | (re-search-forward | |
706 | (concat | |
707 | "([ \t\n]*setq[ \t\n]+" | |
708 | "inhibit-startup-echo-area-message[ \t\n]+" | |
709 | (regexp-quote | |
710 | (prin1-to-string | |
711 | (if (string= init-file-user "") | |
712 | (user-login-name) | |
713 | init-file-user))) | |
714 | "[ \t\n]*)") | |
715 | nil t)) | |
716 | (error nil)) | |
717 | (kill-buffer buffer))))) | |
1d7da582 RS |
718 | (message (if (eq (key-binding "\C-h\C-p") 'describe-project) |
719 | "For information about the GNU Project and its goals, type C-h C-p." | |
720 | (substitute-command-keys | |
721 | "For information about the GNU Project and its goals, type \\[describe-project].")))) | |
a726e0d1 JB |
722 | (if (null command-line-args-left) |
723 | (cond ((and (not inhibit-startup-message) (not noninteractive) | |
724 | ;; Don't clobber a non-scratch buffer if init file | |
725 | ;; has selected it. | |
8baabd2a | 726 | (string= (buffer-name) "*scratch*")) |
a726e0d1 JB |
727 | ;; If there are no switches to process, we might as well |
728 | ;; run this hook now, and there may be some need to do it | |
729 | ;; before doing any output. | |
730 | (and term-setup-hook | |
731 | (run-hooks 'term-setup-hook)) | |
732 | ;; Don't let the hook be run twice. | |
733 | (setq term-setup-hook nil) | |
4e1b1e72 JB |
734 | |
735 | ;; It's important to notice the user settings before we | |
736 | ;; display the startup message; otherwise, the settings | |
737 | ;; won't take effect until the user gives the first | |
738 | ;; keystroke, and that's distracting. | |
739 | (if (fboundp 'frame-notice-user-settings) | |
740 | (frame-notice-user-settings)) | |
741 | ||
a726e0d1 JB |
742 | (and window-setup-hook |
743 | (run-hooks 'window-setup-hook)) | |
744 | (setq window-setup-hook nil) | |
fd11871a RS |
745 | ;; Do this now to avoid an annoying delay if the user |
746 | ;; clicks the menu bar during the sit-for. | |
2da0d7db | 747 | (if (memq window-system '(x w32)) |
365636dc | 748 | (precompute-menubar-bindings)) |
fd11871a | 749 | (setq menubar-bindings-done t) |
f862008d RS |
750 | (when (= (buffer-size) 0) |
751 | (let ((buffer-undo-list t)) | |
752 | (unwind-protect | |
8baabd2a | 753 | (when (not (input-pending-p)) |
f862008d RS |
754 | (goto-char (point-max)) |
755 | ;; The convention for this piece of code is that | |
756 | ;; each piece of output starts with one or two newlines | |
757 | ;; and does not end with any newlines. | |
758 | (insert "Welcome to GNU Emacs") | |
759 | (if (eq system-type 'gnu/linux) | |
760 | (insert ", one component of a Linux-based GNU system.")) | |
761 | (insert "\n") | |
762 | ;; If keys have their default meanings, | |
763 | ;; use precomputed string to save lots of time. | |
764 | (if (and (eq (key-binding "\C-h") 'help-command) | |
765 | (eq (key-binding "\C-xu") 'advertised-undo) | |
766 | (eq (key-binding "\C-x\C-c") 'save-buffers-kill-emacs) | |
767 | (eq (key-binding "\C-ht") 'help-with-tutorial) | |
768 | (eq (key-binding "\C-hi") 'info) | |
769 | (eq (key-binding "\C-h\C-n") 'view-emacs-news)) | |
770 | (insert " | |
3f5a3e12 RS |
771 | Get help C-h (Hold down CTRL and press h) |
772 | Undo changes C-x u Exit Emacs C-x C-c | |
773 | Get a tutorial C-h t Use Info to read docs C-h i") | |
f862008d RS |
774 | (insert (substitute-command-keys |
775 | (format "\n | |
3f5a3e12 RS |
776 | Get help %s |
777 | Undo changes \\[advertised-undo] | |
778 | Exit Emacs \\[save-buffers-kill-emacs] | |
779 | Get a tutorial \\[help-with-tutorial] | |
780 | Use Info to read docs \\[info]" | |
f862008d RS |
781 | (let ((where (where-is-internal |
782 | 'help-command nil t))) | |
783 | (if where | |
784 | (key-description where) | |
785 | "M-x help")))))) | |
786 | ;; Say how to use the menu bar | |
787 | ;; if that is not with the mouse. | |
788 | (if (not (assq 'display (frame-parameters))) | |
789 | (if (and (eq (key-binding "\M-`") 'tmm-menubar) | |
790 | (eq (key-binding [f10]) 'tmm-menubar)) | |
791 | (insert " | |
3f5a3e12 | 792 | Activate menubar F10 or ESC ` or M-`") |
f862008d | 793 | (insert (substitute-command-keys " |
3f5a3e12 | 794 | Activate menubar \\[tmm-menubar]")))) |
e65a6404 | 795 | |
f862008d RS |
796 | ;; Windows and MSDOS (currently) do not count as |
797 | ;; window systems, but do have mouse support. | |
798 | (if window-system | |
799 | (insert " | |
3f5a3e12 | 800 | Mode-specific menu C-mouse-3 (third button, with CTRL)")) |
f862008d RS |
801 | ;; Many users seem to have problems with these. |
802 | (insert " | |
3f5a3e12 RS |
803 | \(`C-' means use the CTRL key. `M-' means use the Meta (or Alt) key. |
804 | If you have no Meta key, you may instead type ESC followed by the character.)") | |
f862008d RS |
805 | (and auto-save-list-file-prefix |
806 | (directory-files | |
807 | (file-name-directory auto-save-list-file-prefix) | |
808 | nil | |
809 | (concat "\\`" | |
810 | (regexp-quote (file-name-nondirectory | |
811 | auto-save-list-file-prefix))) | |
812 | t) | |
813 | (insert "\n\nIf an Emacs session crashed recently, " | |
814 | "type M-x recover-session RET\nto recover" | |
815 | " the files you were editing.")) | |
816 | ||
817 | (insert "\n\n" (emacs-version) | |
818 | " | |
c532f349 | 819 | Copyright (C) 1997 Free Software Foundation, Inc.") |
f862008d RS |
820 | (if (and (eq (key-binding "\C-h\C-c") 'describe-copying) |
821 | (eq (key-binding "\C-h\C-d") 'describe-distribution) | |
822 | (eq (key-binding "\C-h\C-w") 'describe-no-warranty)) | |
823 | (insert | |
824 | "\n | |
a726e0d1 JB |
825 | GNU Emacs comes with ABSOLUTELY NO WARRANTY; type C-h C-w for full details. |
826 | You may give out copies of Emacs; type C-h C-c to see the conditions. | |
827 | Type C-h C-d for information on getting the latest version.") | |
f862008d RS |
828 | (insert (substitute-command-keys |
829 | "\n | |
a726e0d1 JB |
830 | GNU Emacs comes with ABSOLUTELY NO WARRANTY; type \\[describe-no-warranty] for full details. |
831 | You may give out copies of Emacs; type \\[describe-copying] to see the conditions. | |
832 | Type \\[describe-distribution] for information on getting the latest version."))) | |
f862008d | 833 | (goto-char (point-min)) |
fb3afe87 | 834 | |
f862008d RS |
835 | (set-buffer-modified-p nil) |
836 | (sit-for 120)) | |
837 | (with-current-buffer (get-buffer "*scratch*") | |
838 | (erase-buffer) | |
9fe3219e RS |
839 | (and initial-scratch-message |
840 | (insert initial-scratch-message)) | |
f862008d | 841 | (set-buffer-modified-p nil))))))) |
eca1cf26 RS |
842 | ;; Delay 2 seconds after the init file error message |
843 | ;; was displayed, so user can read it. | |
844 | (if init-file-had-error | |
845 | (sit-for 2)) | |
09a1077c | 846 | (let ((dir command-line-default-directory) |
a726e0d1 JB |
847 | (file-count 0) |
848 | first-file-buffer | |
14d9a663 RS |
849 | tem |
850 | just-files ;; t if this follows the magic -- option. | |
851 | ;; This includes our standard options' long versions | |
852 | ;; and long versions of what's on command-switch-alist. | |
853 | (longopts | |
854 | (append '(("--funcall") ("--load") ("--insert") ("--kill") | |
855 | ("--directory") ("--eval") ("--find-file") ("--visit")) | |
856 | (mapcar '(lambda (elt) | |
857 | (list (concat "-" (car elt)))) | |
858 | command-switch-alist))) | |
a726e0d1 | 859 | (line 0)) |
14d9a663 RS |
860 | |
861 | ;; Add the long X options to longopts. | |
862 | (setq tem command-line-x-option-alist) | |
863 | (while tem | |
864 | (if (string-match "^--" (car (car tem))) | |
865 | (setq longopts (cons (list (car (car tem))) longopts))) | |
866 | (setq tem (cdr tem))) | |
867 | ||
868 | ;; Loop, processing options. | |
869 | (while (and command-line-args-left) | |
3f53ddd0 RS |
870 | (let* ((argi (car command-line-args-left)) |
871 | (orig-argi argi) | |
14d9a663 | 872 | argval completion |
aba66e2a RS |
873 | ;; List of directories specified in -L/--directory, |
874 | ;; in reverse of the order specified. | |
875 | extra-load-path | |
876 | (initial-load-path load-path)) | |
a726e0d1 | 877 | (setq command-line-args-left (cdr command-line-args-left)) |
3f53ddd0 | 878 | |
14d9a663 RS |
879 | ;; Do preliminary decoding of the option. |
880 | (if just-files | |
881 | ;; After --, don't look for options; treat all args as files. | |
882 | (setq argi "") | |
883 | ;; Convert long options to ordinary options | |
884 | ;; and separate out an attached option argument into argval. | |
885 | (if (string-match "^--[^=]*=" argi) | |
886 | (setq argval (substring argi (match-end 0)) | |
887 | argi (substring argi 0 (1- (match-end 0))))) | |
888 | (if (equal argi "--") | |
889 | (setq completion nil) | |
890 | (setq completion (try-completion argi longopts))) | |
891 | (if (eq completion t) | |
892 | (setq argi (substring argi 1)) | |
893 | (if (stringp completion) | |
894 | (let ((elt (assoc completion longopts))) | |
895 | (or elt | |
896 | (error "Option `%s' is ambiguous" argi)) | |
897 | (setq argi (substring (car elt) 1))) | |
898 | (setq argval nil argi orig-argi)))) | |
3f53ddd0 RS |
899 | |
900 | ;; Execute the option. | |
a726e0d1 | 901 | (cond ((setq tem (assoc argi command-switch-alist)) |
3f53ddd0 RS |
902 | (if argval |
903 | (let ((command-line-args-left | |
904 | (cons argval command-line-args-left))) | |
905 | (funcall (cdr tem) argi)) | |
906 | (funcall (cdr tem) argi))) | |
a726e0d1 JB |
907 | ((or (string-equal argi "-f") ;what the manual claims |
908 | (string-equal argi "-funcall") | |
909 | (string-equal argi "-e")) ; what the source used to say | |
3f53ddd0 RS |
910 | (if argval |
911 | (setq tem (intern argval)) | |
912 | (setq tem (intern (car command-line-args-left))) | |
913 | (setq command-line-args-left (cdr command-line-args-left))) | |
1908c565 RS |
914 | (if (arrayp (symbol-function tem)) |
915 | (command-execute tem) | |
916 | (funcall tem))) | |
e6b75e30 RS |
917 | ((string-equal argi "-eval") |
918 | (if argval | |
919 | (setq tem argval) | |
920 | (setq tem (car command-line-args-left)) | |
921 | (setq command-line-args-left (cdr command-line-args-left))) | |
955093c9 | 922 | (eval (read tem))) |
aba66e2a RS |
923 | ;; Set the default directory as specified in -L. |
924 | ((or (string-equal argi "-L") | |
925 | (string-equal argi "-directory")) | |
926 | (if argval | |
927 | (setq tem argval) | |
928 | (setq tem (car command-line-args-left) | |
929 | command-line-args-left (cdr command-line-args-left))) | |
47c7adae | 930 | (setq tem (command-line-normalize-file-name tem)) |
aba66e2a RS |
931 | (setq extra-load-path |
932 | (cons (expand-file-name tem) extra-load-path)) | |
933 | (setq load-path (append (nreverse extra-load-path) | |
934 | initial-load-path))) | |
a726e0d1 JB |
935 | ((or (string-equal argi "-l") |
936 | (string-equal argi "-load")) | |
3f53ddd0 RS |
937 | (if argval |
938 | (setq tem argval) | |
939 | (setq tem (car command-line-args-left) | |
940 | command-line-args-left (cdr command-line-args-left))) | |
47c7adae | 941 | (let ((file (command-line-normalize-file-name tem))) |
a726e0d1 JB |
942 | ;; Take file from default dir if it exists there; |
943 | ;; otherwise let `load' search for it. | |
944 | (if (file-exists-p (expand-file-name file)) | |
945 | (setq file (expand-file-name file))) | |
3f53ddd0 | 946 | (load file nil t))) |
fbce8654 | 947 | ((string-equal argi "-insert") |
3f53ddd0 RS |
948 | (if argval |
949 | (setq tem argval) | |
950 | (setq tem (car command-line-args-left) | |
951 | command-line-args-left (cdr command-line-args-left))) | |
2d2aae54 EN |
952 | (or (stringp tem) |
953 | (error "File name omitted from `-insert' option")) | |
47c7adae | 954 | (insert-file-contents (command-line-normalize-file-name tem))) |
a726e0d1 JB |
955 | ((string-equal argi "-kill") |
956 | (kill-emacs t)) | |
957 | ((string-match "^\\+[0-9]+\\'" argi) | |
958 | (setq line (string-to-int argi))) | |
b3afdeb8 RS |
959 | ((setq tem (assoc argi command-line-x-option-alist)) |
960 | ;; Ignore X-windows options and their args if not using X. | |
961 | (setq command-line-args-left | |
962 | (nthcdr (nth 1 tem) command-line-args-left))) | |
14d9a663 RS |
963 | ((or (string-equal argi "-find-file") |
964 | (string-equal argi "-visit")) | |
965 | ;; An explicit option to specify visiting a file. | |
966 | (setq file-count (1+ file-count)) | |
967 | (let ((file | |
968 | (expand-file-name | |
969 | (command-line-normalize-file-name orig-argi) | |
970 | dir))) | |
971 | (if (= file-count 1) | |
972 | (setq first-file-buffer (find-file file)) | |
973 | (find-file-other-window file))) | |
974 | (or (zerop line) | |
975 | (goto-line line)) | |
976 | (setq line 0)) | |
f7ad212d | 977 | ((equal argi "--") |
14d9a663 | 978 | (setq just-files t)) |
a726e0d1 JB |
979 | (t |
980 | ;; We have almost exhausted our options. See if the | |
981 | ;; user has made any other command-line options available | |
982 | (let ((hooks command-line-functions);; lrs 7/31/89 | |
983 | (did-hook nil)) | |
984 | (while (and hooks | |
985 | (not (setq did-hook (funcall (car hooks))))) | |
986 | (setq hooks (cdr hooks))) | |
987 | (if (not did-hook) | |
988 | ;; Ok, presume that the argument is a file name | |
989 | (progn | |
7a79b90c RS |
990 | (if (string-match "\\`-" argi) |
991 | (error "Unknown option `%s'" argi)) | |
a726e0d1 | 992 | (setq file-count (1+ file-count)) |
14d9a663 RS |
993 | (let ((file |
994 | (expand-file-name | |
995 | (command-line-normalize-file-name orig-argi) | |
996 | dir))) | |
997 | (if (= file-count 1) | |
998 | (setq first-file-buffer (find-file file)) | |
999 | (find-file-other-window file))) | |
a726e0d1 JB |
1000 | (or (zerop line) |
1001 | (goto-line line)) | |
1002 | (setq line 0)))))))) | |
1003 | ;; If 3 or more files visited, and not all visible, | |
1004 | ;; show user what they all are. | |
ac707ebc RS |
1005 | (and (> file-count 2) |
1006 | (not noninteractive) | |
1007 | (or (get-buffer-window first-file-buffer) | |
1008 | (progn (other-window 1) | |
1009 | (buffer-menu))))))) | |
c88ab9ce | 1010 | |
47c7adae RS |
1011 | (defun command-line-normalize-file-name (file) |
1012 | "Collapse multiple slashes to one, to handle non-Emacs file names." | |
6b9e794f RS |
1013 | (save-match-data |
1014 | ;; Use arg 1 so that we don't collapse // at the start of the file name. | |
1015 | ;; That is significant on some systems. | |
1016 | ;; However, /// at the beginning is supposed to mean just /, not //. | |
1017 | (if (string-match "^///+" file) | |
1018 | (setq file (replace-match "/" t t file))) | |
1019 | (while (string-match "//+" file 1) | |
1020 | (setq file (replace-match "/" t t file))) | |
1021 | file)) | |
47c7adae | 1022 | |
c88ab9ce | 1023 | ;;; startup.el ends here |