; * lib-src/etags.c: Comment.
[emacs.git] / lisp / obsolete / vip.el
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1 ;;; vip.el --- a VI Package for GNU Emacs
3 ;; Copyright (C) 1986-1988, 1992-1993, 1998, 2001-2015 Free Software
4 ;; Foundation, Inc.
6 ;; Author: Masahiko Sato <ms@sail.stanford.edu>
7 ;; Keywords: emulations
8 ;; Obsolete-since: 24.5
10 ;; This file is part of GNU Emacs.
12 ;; GNU Emacs is free software: you can redistribute it and/or modify
13 ;; it under the terms of the GNU General Public License as published by
14 ;; the Free Software Foundation, either version 3 of the License, or
15 ;; (at your option) any later version.
17 ;; GNU Emacs is distributed in the hope that it will be useful,
18 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 ;; GNU General Public License for more details.
22 ;; You should have received a copy of the GNU General Public License
23 ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
25 ;;; Commentary:
27 ;; This file is obsolete. Consider using viper instead.
29 ;; A full-featured vi(1) emulator.
31 ;; In Japan, the author's address is: masahiko@sato.riec.tohoku.junet
33 ;; Send suggestions and bug reports to one of the above addresses.
34 ;; When you report a bug, be sure to include the version number of VIP and
35 ;; Emacs you are using.
37 ;; Execute info command by typing "M-x info" to get information on VIP.
39 ;;; Code:
41 (defgroup vip nil
42 "A VI Package for GNU Emacs."
43 :prefix "vip-"
44 :group 'emulations)
46 ;; external variables
48 (defvar vip-emacs-local-map nil
49 "Local map used in Emacs mode. (Buffer-specific.)")
51 (defvar vip-insert-local-map nil
52 "Local map used in insert command mode. (Buffer-specific.)")
54 (make-variable-buffer-local 'vip-emacs-local-map)
55 (make-variable-buffer-local 'vip-insert-local-map)
57 (defvar vip-insert-point nil
58 "Remember insert point as a marker. (Buffer-specific.)")
60 (set-default 'vip-insert-point (make-marker))
61 (make-variable-buffer-local 'vip-insert-point)
63 (defvar vip-com-point nil
64 "Remember com point as a marker. (Buffer-specific.)")
66 (set-default 'vip-com-point (make-marker))
67 (make-variable-buffer-local 'vip-com-point)
69 (defvar vip-current-mode nil
70 "Current mode. One of `emacs-mode', `vi-mode', `insert-mode'.")
72 (make-variable-buffer-local 'vip-current-mode)
73 (setq-default vip-current-mode 'emacs-mode)
75 (defvar vip-emacs-mode-line-buffer-identification nil
76 "Value of mode-line-buffer-identification in Emacs mode within vip.")
77 (make-variable-buffer-local 'vip-emacs-mode-line-buffer-identification)
78 (setq-default vip-emacs-mode-line-buffer-identification
79 '("Emacs: %17b"))
81 (defvar vip-current-major-mode nil
82 "vip-current-major-mode is the major-mode vi considers it is now.
83 \(buffer specific\)")
85 (make-variable-buffer-local 'vip-current-major-mode)
87 (defvar vip-last-shell-com nil
88 "Last shell command executed by ! command.")
90 (defvar vip-use-register nil
91 "Name of register to store deleted or yanked strings.")
93 (defvar vip-d-com nil
94 "How to reexecute last destructive command. Value is list (M-COM VAL COM).")
96 (defcustom vip-shift-width 8
97 "The number of columns shifted by > and < command."
98 :type 'integer
99 :group 'vip)
101 (defcustom vip-re-replace nil
102 "If t then do regexp replace, if nil then do string replace."
103 :type 'boolean
104 :group 'vip)
106 (defvar vip-d-char nil
107 "The character remembered by the vi \"r\" command.")
109 (defvar vip-f-char nil
110 "For use by \";\" command.")
112 (defvar vip-F-char nil
113 "For use by \".\" command.")
115 (defvar vip-f-forward nil
116 "For use by \";\" command.")
118 (defvar vip-f-offset nil
119 "For use by \";\" command.")
121 (defcustom vip-search-wrap-around t
122 "If t, search wraps around."
123 :type 'boolean
124 :group 'vip)
126 (defcustom vip-re-search nil
127 "If t, search is reg-exp search, otherwise vanilla search."
128 :type 'boolean
129 :group 'vip)
131 (defvar vip-s-string nil
132 "Last vip search string.")
134 (defvar vip-s-forward nil
135 "If t, search is forward.")
137 (defcustom vip-case-fold-search nil
138 "If t, search ignores cases."
139 :type 'boolean
140 :group 'vip)
142 (defcustom vip-re-query-replace nil
143 "If t then do regexp replace, if nil then do string replace."
144 :type 'boolean
145 :group 'vip)
147 (defcustom vip-open-with-indent nil
148 "If t, indent when open a new line."
149 :type 'boolean
150 :group 'vip)
152 (defcustom vip-help-in-insert-mode nil
153 "If t then C-h is bound to help-command in insert mode.
154 If nil then it is bound to `delete-backward-char'."
155 :type 'boolean
156 :group 'vip)
158 (defvar vip-quote-string "> "
159 "String inserted at the beginning of region.")
161 (defvar vip-tags-file-name "TAGS")
163 (defvar vip-inhibit-startup-message nil)
165 (defvar vip-startup-file (locate-user-emacs-file "vip" ".vip")
166 "Filename used as startup file for vip.")
168 ;; key bindings
170 (defvar vip-mode-map
171 (let ((map (make-keymap)))
172 (define-key map "\C-a" 'beginning-of-line)
173 (define-key map "\C-b" 'vip-scroll-back)
174 (define-key map "\C-c" 'vip-ctl-c)
175 (define-key map "\C-d" 'vip-scroll-up)
176 (define-key map "\C-e" 'vip-scroll-up-one)
177 (define-key map "\C-f" 'vip-scroll)
178 (define-key map "\C-g" 'vip-keyboard-quit)
179 (define-key map "\C-h" 'help-command)
180 (define-key map "\C-m" 'vip-scroll-back)
181 (define-key map "\C-n" 'vip-other-window)
182 (define-key map "\C-o" 'vip-open-line-at-point)
183 (define-key map "\C-u" 'vip-scroll-down)
184 (define-key map "\C-x" 'vip-ctl-x)
185 (define-key map "\C-y" 'vip-scroll-down-one)
186 (define-key map "\C-z" 'vip-change-mode-to-emacs)
187 (define-key map "\e" 'vip-ESC)
189 (define-key map [?\S-\ ] 'vip-scroll-back)
190 (define-key map " " 'vip-scroll)
191 (define-key map "!" 'vip-command-argument)
192 (define-key map "\"" 'vip-command-argument)
193 (define-key map "#" 'vip-command-argument)
194 (define-key map "$" 'vip-goto-eol)
195 (define-key map "%" 'vip-paren-match)
196 (define-key map "&" 'vip-nil)
197 (define-key map "'" 'vip-goto-mark-and-skip-white)
198 (define-key map "(" 'vip-backward-sentence)
199 (define-key map ")" 'vip-forward-sentence)
200 (define-key map "*" 'call-last-kbd-macro)
201 (define-key map "+" 'vip-next-line-at-bol)
202 (define-key map "," 'vip-repeat-find-opposite)
203 (define-key map "-" 'vip-previous-line-at-bol)
204 (define-key map "." 'vip-repeat)
205 (define-key map "/" 'vip-search-forward)
207 (define-key map "0" 'vip-beginning-of-line)
208 (define-key map "1" 'vip-digit-argument)
209 (define-key map "2" 'vip-digit-argument)
210 (define-key map "3" 'vip-digit-argument)
211 (define-key map "4" 'vip-digit-argument)
212 (define-key map "5" 'vip-digit-argument)
213 (define-key map "6" 'vip-digit-argument)
214 (define-key map "7" 'vip-digit-argument)
215 (define-key map "8" 'vip-digit-argument)
216 (define-key map "9" 'vip-digit-argument)
218 (define-key map ":" 'vip-ex)
219 (define-key map ";" 'vip-repeat-find)
220 (define-key map "<" 'vip-command-argument)
221 (define-key map "=" 'vip-command-argument)
222 (define-key map ">" 'vip-command-argument)
223 (define-key map "?" 'vip-search-backward)
224 (define-key map "@" 'vip-nil)
226 (define-key map "A" 'vip-Append)
227 (define-key map "B" 'vip-backward-Word)
228 (define-key map "C" 'vip-ctl-c-equivalent)
229 (define-key map "D" 'vip-kill-line)
230 (define-key map "E" 'vip-end-of-Word)
231 (define-key map "F" 'vip-find-char-backward)
232 (define-key map "G" 'vip-goto-line)
233 (define-key map "H" 'vip-window-top)
234 (define-key map "I" 'vip-Insert)
235 (define-key map "J" 'vip-join-lines)
236 (define-key map "K" 'vip-kill-buffer)
237 (define-key map "L" 'vip-window-bottom)
238 (define-key map "M" 'vip-window-middle)
239 (define-key map "N" 'vip-search-Next)
240 (define-key map "O" 'vip-Open-line)
241 (define-key map "P" 'vip-Put-back)
242 (define-key map "Q" 'vip-query-replace)
243 (define-key map "R" 'vip-replace-string)
244 (define-key map "S" 'vip-switch-to-buffer-other-window)
245 (define-key map "T" 'vip-goto-char-backward)
246 (define-key map "U" 'vip-nil)
247 (define-key map "V" 'vip-find-file-other-window)
248 (define-key map "W" 'vip-forward-Word)
249 (define-key map "X" 'vip-ctl-x-equivalent)
250 (define-key map "Y" 'vip-yank-line)
251 (define-key map "ZZ" 'save-buffers-kill-emacs)
253 (define-key map "[" 'vip-nil)
254 (define-key map "\\" 'vip-escape-to-emacs)
255 (define-key map "]" 'vip-nil)
256 (define-key map "^" 'vip-bol-and-skip-white)
257 (define-key map "_" 'vip-nil)
258 (define-key map "`" 'vip-goto-mark)
260 (define-key map "a" 'vip-append)
261 (define-key map "b" 'vip-backward-word)
262 (define-key map "c" 'vip-command-argument)
263 (define-key map "d" 'vip-command-argument)
264 (define-key map "e" 'vip-end-of-word)
265 (define-key map "f" 'vip-find-char-forward)
266 (define-key map "g" 'vip-info-on-file)
267 (define-key map "h" 'vip-backward-char)
268 (define-key map "i" 'vip-insert)
269 (define-key map "j" 'vip-next-line)
270 (define-key map "k" 'vip-previous-line)
271 (define-key map "l" 'vip-forward-char)
272 (define-key map "m" 'vip-mark-point)
273 (define-key map "n" 'vip-search-next)
274 (define-key map "o" 'vip-open-line)
275 (define-key map "p" 'vip-put-back)
276 (define-key map "q" 'vip-nil)
277 (define-key map "r" 'vip-replace-char)
278 (define-key map "s" 'vip-switch-to-buffer)
279 (define-key map "t" 'vip-goto-char-forward)
280 (define-key map "u" 'vip-undo)
281 (define-key map "v" 'vip-find-file)
282 (define-key map "w" 'vip-forward-word)
283 (define-key map "x" 'vip-delete-char)
284 (define-key map "y" 'vip-command-argument)
285 (define-key map "zH" 'vip-line-to-top)
286 (define-key map "zM" 'vip-line-to-middle)
287 (define-key map "zL" 'vip-line-to-bottom)
288 (define-key map "z\C-m" 'vip-line-to-top)
289 (define-key map "z." 'vip-line-to-middle)
290 (define-key map "z-" 'vip-line-to-bottom)
292 (define-key map "{" 'vip-backward-paragraph)
293 (define-key map "|" 'vip-goto-col)
294 (define-key map "}" 'vip-forward-paragraph)
295 (define-key map "~" 'vip-nil)
296 (define-key map "\177" 'vip-delete-backward-char)
297 map))
299 (defun vip-version ()
300 (interactive)
301 (message "VIP version 3.5 of September 15, 1987"))
304 ;; basic set up
306 ;;;###autoload
307 (defun vip-setup ()
308 "Set up bindings for C-x 7 and C-z that are useful for VIP users."
309 (define-key ctl-x-map "7" 'vip-buffer-in-two-windows)
310 (global-set-key "\C-z" 'vip-change-mode-to-vi))
312 (defmacro vip-loop (count body)
313 "(COUNT BODY) Execute BODY COUNT times."
314 `(let ((count ,count))
315 (while (> count 0)
316 ,body
317 (setq count (1- count)))))
319 (defun vip-push-mark-silent (&optional location)
320 "Set mark at LOCATION (point, by default) and push old mark on mark ring.
321 No message."
322 (if (null (mark t))
324 (setq mark-ring (cons (copy-marker (mark-marker)) mark-ring))
325 (if (> (length mark-ring) mark-ring-max)
326 (progn
327 (move-marker (car (nthcdr mark-ring-max mark-ring)) nil)
328 (setcdr (nthcdr (1- mark-ring-max) mark-ring) nil))))
329 (set-mark (or location (point))))
331 (defun vip-goto-col (arg)
332 "Go to ARG's column."
333 (interactive "P")
334 (let ((val (vip-p-val arg))
335 (com (vip-getcom arg)))
336 (save-excursion
337 (end-of-line)
338 (if (> val (1+ (current-column))) (error "")))
339 (if com (move-marker vip-com-point (point)))
340 (beginning-of-line)
341 (forward-char (1- val))
342 (if com (vip-execute-com 'vip-goto-col val com))))
344 (defun vip-copy-keymap (map)
345 (if (null map) (make-sparse-keymap) (copy-keymap map)))
348 ;; changing mode
350 (defun vip-change-mode (new-mode)
351 "Change mode to NEW-MODE---either emacs-mode, vi-mode, or insert-mode."
352 (or (eq new-mode vip-current-mode)
353 (progn
354 (cond ((eq new-mode 'vi-mode)
355 (if (eq vip-current-mode 'insert-mode)
356 (progn
357 (vip-copy-region-as-kill (point) vip-insert-point)
358 (vip-repeat-insert-command))
359 (setq vip-emacs-local-map (current-local-map)
360 vip-emacs-mode-line-buffer-identification
361 mode-line-buffer-identification
362 vip-insert-local-map (vip-copy-keymap
363 (current-local-map))))
364 (vip-change-mode-line "Vi: ")
365 (use-local-map vip-mode-map))
366 ((eq new-mode 'insert-mode)
367 (move-marker vip-insert-point (point))
368 (if (eq vip-current-mode 'emacs-mode)
369 (setq vip-emacs-local-map (current-local-map)
370 vip-emacs-mode-line-buffer-identification
371 mode-line-buffer-identification
372 vip-insert-local-map (vip-copy-keymap
373 (current-local-map)))
374 (setq vip-insert-local-map (vip-copy-keymap
375 vip-emacs-local-map)))
376 (vip-change-mode-line "Insert")
377 (use-local-map vip-insert-local-map)
378 (define-key vip-insert-local-map "\e" 'vip-change-mode-to-vi)
379 (define-key vip-insert-local-map "\C-z" 'vip-ESC)
380 (define-key vip-insert-local-map "\C-h"
381 (if vip-help-in-insert-mode 'help-command
382 'delete-backward-char))
383 (define-key vip-insert-local-map "\C-w"
384 'vip-delete-backward-word))
385 ((eq new-mode 'emacs-mode)
386 (vip-change-mode-line "Emacs:")
387 (use-local-map vip-emacs-local-map)))
388 (setq vip-current-mode new-mode)
389 (force-mode-line-update))))
391 (defun vip-copy-region-as-kill (beg end)
392 "If BEG and END do not belong to the same buffer, it copies empty region."
393 (condition-case nil
394 (copy-region-as-kill beg end)
395 (error (copy-region-as-kill beg beg))))
397 (defun vip-change-mode-line (string)
398 "Assuming that the mode line format contains the string \"Emacs:\", this
399 function replaces the string by \"Vi: \" etc."
400 (setq mode-line-buffer-identification
401 (if (string= string "Emacs:")
402 vip-emacs-mode-line-buffer-identification
403 (list (concat string " %17b")))))
405 ;;;###autoload
406 (defun vip-mode ()
407 "Turn on VIP emulation of VI."
408 (interactive)
409 (if (not vip-inhibit-startup-message)
410 (progn
411 (switch-to-buffer "VIP Startup Message")
412 (erase-buffer)
413 (insert
414 "VIP is a Vi emulation package for GNU Emacs. VIP provides most Vi commands
415 including Ex commands. VIP is however different from Vi in several points.
416 You can get more information on VIP by:
417 1. Typing `M-x info' and selecting menu item \"vip\".
418 2. Typing `C-h k' followed by a key whose description you want.
419 3. Printing VIP manual which can be found as GNU/man/vip.texinfo
420 4. Printing VIP Reference Card which can be found as GNU/etc/vipcard.tex
422 This startup message appears whenever you load VIP unless you type `y' now.
423 Type `n' to quit this window for now.\n")
424 (goto-char (point-min))
425 (if (y-or-n-p "Inhibit VIP startup message? ")
426 (progn
427 (with-current-buffer
428 (find-file-noselect
429 (substitute-in-file-name vip-startup-file))
430 (goto-char (point-max))
431 (insert "\n(setq vip-inhibit-startup-message t)\n")
432 (save-buffer)
433 (kill-buffer (current-buffer)))
434 (message "VIP startup message inhibited.")
435 (sit-for 2)))
436 (kill-buffer (current-buffer))
437 (message "")
438 (setq vip-inhibit-startup-message t)))
439 (vip-change-mode-to-vi))
441 (defun vip-change-mode-to-vi ()
442 "Change mode to vi mode."
443 (interactive)
444 (vip-change-mode 'vi-mode))
446 (defun vip-change-mode-to-insert ()
447 "Change mode to insert mode."
448 (interactive)
449 (vip-change-mode 'insert-mode))
451 (defun vip-change-mode-to-emacs ()
452 "Change mode to Emacs mode."
453 (interactive)
454 (vip-change-mode 'emacs-mode))
457 ;; escape to emacs mode temporarily
459 (defun vip-escape-to-emacs (arg &optional events)
460 "Escape to Emacs mode for one Emacs command.
461 ARG is used as the prefix value for the executed command. If
462 EVENTS is a list of events, which become the beginning of the command."
463 (interactive "P")
464 (let (com key (old-map (current-local-map)))
465 (if events (setq unread-command-events events))
466 (setq prefix-arg arg)
467 (use-local-map vip-emacs-local-map)
468 (unwind-protect
469 (setq com (key-binding (setq key (read-key-sequence nil))))
470 (use-local-map old-map))
471 (command-execute com prefix-arg)
472 (setq prefix-arg nil) ;; reset prefix arg
475 (defun vip-message-conditions (conditions)
476 "Print CONDITIONS as a message."
477 (let ((case (car conditions)) (msg (cdr conditions)))
478 (if (null msg)
479 (message "%s" case)
480 (message "%s %s" case (prin1-to-string msg)))
481 (ding)))
483 (defun vip-ESC (arg)
484 "Emulate ESC key in Emacs mode."
485 (interactive "P")
486 (vip-escape-to-emacs arg '(?\e)))
488 (defun vip-ctl-c (arg)
489 "Emulate C-c key in Emacs mode."
490 (interactive "P")
491 (vip-escape-to-emacs arg '(?\C-c)))
493 (defun vip-ctl-x (arg)
494 "Emulate C-x key in Emacs mode."
495 (interactive "P")
496 (vip-escape-to-emacs arg '(?\C-x)))
498 (defun vip-ctl-h (arg)
499 "Emulate C-h key in Emacs mode."
500 (interactive "P")
501 (vip-escape-to-emacs arg '(?\C-h)))
504 ;; prefix argument for vi mode
506 ;; In vi mode, prefix argument is a dotted pair (NUM . COM) where NUM
507 ;; represents the numeric value of the prefix argument and COM represents
508 ;; command prefix such as "c", "d", "m" and "y".
510 (defun vip-prefix-arg-value (char value com)
511 "Compute numeric prefix arg value. Invoked by CHAR. VALUE is the value
512 obtained so far, and COM is the command part obtained so far."
513 (while (and (>= char ?0) (<= char ?9))
514 (setq value (+ (* (if (numberp value) value 0) 10) (- char ?0)))
515 (setq char (read-char)))
516 (setq prefix-arg value)
517 (if com (setq prefix-arg (cons prefix-arg com)))
518 (while (= char ?U)
519 (vip-describe-arg prefix-arg)
520 (setq char (read-char)))
521 (setq unread-command-events (list char)))
523 (defun vip-prefix-arg-com (char value com)
524 "Vi operator as prefix argument."
525 (let ((cont t))
526 (while (and cont
527 (or (= char ?c) (= char ?d) (= char ?y)
528 (= char ?!) (= char ?<) (= char ?>) (= char ?=)
529 (= char ?#) (= char ?r) (= char ?R) (= char ?\")))
530 (if com
531 ;; this means that we already have a command character, so we
532 ;; construct a com list and exit while. however, if char is "
533 ;; it is an error.
534 (progn
535 ;; new com is (CHAR . OLDCOM)
536 (if (or (= char ?#) (= char ?\")) (error ""))
537 (setq com (cons char com))
538 (setq cont nil))
539 ;; if com is nil we set com as char, and read more. again, if char
540 ;; is ", we read the name of register and store it in vip-use-register.
541 ;; if char is !, =, or #, a complete com is formed so we exit while.
542 (cond ((or (= char ?!) (= char ?=))
543 (setq com char)
544 (setq char (read-char))
545 (setq cont nil))
546 ((= char ?#)
547 ;; read a char and encode it as com
548 (setq com (+ 128 (read-char)))
549 (setq char (read-char))
550 (setq cont nil))
551 ((or (= char ?<) (= char ?>))
552 (setq com char)
553 (setq char (read-char))
554 (if (= com char) (setq com (cons char com)))
555 (setq cont nil))
556 ((= char ?\")
557 (let ((reg (read-char)))
558 (if (or (and (<= ?A reg) (<= reg ?z))
559 (and (<= ?1 reg) (<= reg ?9)))
560 (setq vip-use-register reg)
561 (error ""))
562 (setq char (read-char))))
564 (setq com char)
565 (setq char (read-char)))))))
566 (if (atom com)
567 ;; com is a single char, so we construct prefix-arg
568 ;; and if char is ?, describe prefix arg, otherwise exit by
569 ;; pushing the char back
570 (progn
571 (setq prefix-arg (cons value com))
572 (while (= char ?U)
573 (vip-describe-arg prefix-arg)
574 (setq char (read-char)))
575 (setq unread-command-events (list char)))
576 ;; as com is non-nil, this means that we have a command to execute
577 (if (or (= (car com) ?r) (= (car com) ?R))
578 ;; execute appropriate region command.
579 (let ((char (car com)) (com (cdr com)))
580 (setq prefix-arg (cons value com))
581 (if (= char ?r) (vip-region prefix-arg)
582 (vip-Region prefix-arg))
583 ;; reset prefix-arg
584 (setq prefix-arg nil))
585 ;; otherwise, reset prefix arg and call appropriate command
586 (setq value (if (null value) 1 value))
587 (setq prefix-arg nil)
588 (cond ((equal com '(?c . ?c)) (vip-line (cons value ?C)))
589 ((equal com '(?d . ?d)) (vip-line (cons value ?D)))
590 ((equal com '(?d . ?y)) (vip-yank-defun))
591 ((equal com '(?y . ?y)) (vip-line (cons value ?Y)))
592 ((equal com '(?< . ?<)) (vip-line (cons value ?<)))
593 ((equal com '(?> . ?>)) (vip-line (cons value ?>)))
594 ((equal com '(?! . ?!)) (vip-line (cons value ?!)))
595 ((equal com '(?= . ?=)) (vip-line (cons value ?=)))
596 (t (error ""))))))
598 (defun vip-describe-arg (arg)
599 (let (val com)
600 (setq val (vip-P-val arg)
601 com (vip-getcom arg))
602 (if (null val)
603 (if (null com)
604 (message "Value is nil, and command is nil.")
605 (message "Value is nil, and command is %c." com))
606 (if (null com)
607 (message "Value is %d, and command is nil." val)
608 (message "Value is %d, and command is %c." val com)))))
610 (defun vip-digit-argument (arg)
611 "Begin numeric argument for the next command."
612 (interactive "P")
613 (vip-prefix-arg-value last-command-event nil
614 (if (consp arg) (cdr arg) nil)))
616 (defun vip-command-argument (arg)
617 "Accept a motion command as an argument."
618 (interactive "P")
619 (condition-case conditions
620 (vip-prefix-arg-com
621 last-command-event
622 (cond ((null arg) nil)
623 ((consp arg) (car arg))
624 ((numberp arg) arg)
625 (t (error "strange arg")))
626 (cond ((null arg) nil)
627 ((consp arg) (cdr arg))
628 ((numberp arg) nil)
629 (t (error "strange arg"))))
630 (quit
631 (setq vip-use-register nil)
632 (signal 'quit nil))))
634 (defun vip-p-val (arg)
635 "Get value part of prefix-argument ARG."
636 (cond ((null arg) 1)
637 ((consp arg) (if (null (car arg)) 1 (car arg)))
638 (t arg)))
640 (defun vip-P-val (arg)
641 "Get value part of prefix-argument ARG."
642 (cond ((consp arg) (car arg))
643 (t arg)))
645 (defun vip-getcom (arg)
646 "Get com part of prefix-argument ARG."
647 (cond ((null arg) nil)
648 ((consp arg) (cdr arg))
649 (t nil)))
651 (defun vip-getCom (arg)
652 "Get com part of prefix-argument ARG and modify it."
653 (let ((com (vip-getcom arg)))
654 (cond ((equal com ?c) ?C)
655 ((equal com ?d) ?D)
656 ((equal com ?y) ?Y)
657 (t com))))
660 ;; repeat last destructive command
662 (defun vip-append-to-register (reg start end)
663 "Append region to text in register REG.
664 START and END are buffer positions indicating what to append."
665 (set-register reg (concat (or (get-register reg) "")
666 (buffer-substring start end))))
668 (defun vip-execute-com (m-com val com)
669 "(M-COM VAL COM) Execute command COM. The list (M-COM VAL COM) is set
670 to vip-d-com for later use by vip-repeat"
671 (let ((reg vip-use-register))
672 (if com
673 (cond ((= com ?c) (vip-change vip-com-point (point)))
674 ((= com (- ?c)) (vip-change-subr vip-com-point (point)))
675 ((or (= com ?C) (= com (- ?C)))
676 (save-excursion
677 (set-mark vip-com-point)
678 (vip-enlarge-region (mark) (point))
679 (if vip-use-register
680 (progn
681 (cond ((and (<= ?a vip-use-register)
682 (<= vip-use-register ?z))
683 (copy-to-register
684 vip-use-register (mark) (point) nil))
685 ((and (<= ?A vip-use-register)
686 (<= vip-use-register ?Z))
687 (vip-append-to-register
688 (+ vip-use-register 32) (mark) (point)))
689 (t (setq vip-use-register nil)
690 (error "")))
691 (setq vip-use-register nil)))
692 (delete-region (mark) (point)))
693 (open-line 1)
694 (if (= com ?C) (vip-change-mode-to-insert) (yank)))
695 ((= com ?d)
696 (if vip-use-register
697 (progn
698 (cond ((and (<= ?a vip-use-register)
699 (<= vip-use-register ?z))
700 (copy-to-register
701 vip-use-register vip-com-point (point) nil))
702 ((and (<= ?A vip-use-register)
703 (<= vip-use-register ?Z))
704 (vip-append-to-register
705 (+ vip-use-register 32) vip-com-point (point)))
706 (t (setq vip-use-register nil)
707 (error "")))
708 (setq vip-use-register nil)))
709 (setq last-command
710 (if (eq last-command 'd-command) 'kill-region nil))
711 (kill-region vip-com-point (point))
712 (setq this-command 'd-command))
713 ((= com ?D)
714 (save-excursion
715 (set-mark vip-com-point)
716 (vip-enlarge-region (mark) (point))
717 (if vip-use-register
718 (progn
719 (cond ((and (<= ?a vip-use-register)
720 (<= vip-use-register ?z))
721 (copy-to-register
722 vip-use-register (mark) (point) nil))
723 ((and (<= ?A vip-use-register)
724 (<= vip-use-register ?Z))
725 (vip-append-to-register
726 (+ vip-use-register 32) (mark) (point)))
727 (t (setq vip-use-register nil)
728 (error "")))
729 (setq vip-use-register nil)))
730 (setq last-command
731 (if (eq last-command 'D-command) 'kill-region nil))
732 (kill-region (mark) (point))
733 (if (eq m-com 'vip-line) (setq this-command 'D-command)))
734 (back-to-indentation))
735 ((= com ?y)
736 (if vip-use-register
737 (progn
738 (cond ((and (<= ?a vip-use-register)
739 (<= vip-use-register ?z))
740 (copy-to-register
741 vip-use-register vip-com-point (point) nil))
742 ((and (<= ?A vip-use-register)
743 (<= vip-use-register ?Z))
744 (vip-append-to-register
745 (+ vip-use-register 32) vip-com-point (point)))
746 (t (setq vip-use-register nil)
747 (error "")))
748 (setq vip-use-register nil)))
749 (setq last-command nil)
750 (copy-region-as-kill vip-com-point (point))
751 (goto-char vip-com-point))
752 ((= com ?Y)
753 (save-excursion
754 (set-mark vip-com-point)
755 (vip-enlarge-region (mark) (point))
756 (if vip-use-register
757 (progn
758 (cond ((and (<= ?a vip-use-register)
759 (<= vip-use-register ?z))
760 (copy-to-register
761 vip-use-register (mark) (point) nil))
762 ((and (<= ?A vip-use-register)
763 (<= vip-use-register ?Z))
764 (vip-append-to-register
765 (+ vip-use-register 32) (mark) (point)))
766 (t (setq vip-use-register nil)
767 (error "")))
768 (setq vip-use-register nil)))
769 (setq last-command nil)
770 (copy-region-as-kill (mark) (point)))
771 (goto-char vip-com-point))
772 ((or (= com ?!) (= com (- ?!)))
773 (save-excursion
774 (set-mark vip-com-point)
775 (vip-enlarge-region (mark) (point))
776 (shell-command-on-region
777 (mark) (point)
778 (if (= com ?!)
779 (setq vip-last-shell-com (vip-read-string "!"))
780 vip-last-shell-com)
781 t t)))
782 ((= com ?=)
783 (save-excursion
784 (set-mark vip-com-point)
785 (vip-enlarge-region (mark) (point))
786 (if (> (mark) (point)) (exchange-point-and-mark))
787 (indent-region (mark) (point) nil)))
788 ((= com ?<)
789 (save-excursion
790 (set-mark vip-com-point)
791 (vip-enlarge-region (mark) (point))
792 (indent-rigidly (mark) (point) (- vip-shift-width)))
793 (goto-char vip-com-point))
794 ((= com ?>)
795 (save-excursion
796 (set-mark vip-com-point)
797 (vip-enlarge-region (mark) (point))
798 (indent-rigidly (mark) (point) vip-shift-width))
799 (goto-char vip-com-point))
800 ((>= com 128)
801 ;; this is special command #
802 (vip-special-prefix-com (- com 128)))))
803 (setq vip-d-com (list m-com val (if (or (= com ?c) (= com ?C) (= com ?!))
804 (- com) com)
805 reg))))
807 (defun vip-repeat (arg)
808 "(ARG) Re-execute last destructive command. vip-d-com has the form
809 \(COM ARG CH REG), where COM is the command to be re-executed, ARG is the
810 argument for COM, CH is a flag for repeat, and REG is optional and if exists
811 is the name of the register for COM."
812 (interactive "P")
813 (if (eq last-command 'vip-undo)
814 ;; if the last command was vip-undo, then undo-more
815 (vip-undo-more)
816 ;; otherwise execute the command stored in vip-d-com. if arg is non-nil
817 ;; its prefix value is used as new prefix value for the command.
818 (let ((m-com (car vip-d-com))
819 (val (vip-P-val arg))
820 (com (car (cdr (cdr vip-d-com))))
821 (reg (nth 3 vip-d-com)))
822 (if (null val) (setq val (car (cdr vip-d-com))))
823 (if (null m-com) (error "No previous command to repeat"))
824 (setq vip-use-register reg)
825 (funcall m-com (cons val com)))))
827 (defun vip-special-prefix-com (char)
828 "This command is invoked interactively by the key sequence #<char>"
829 (cond ((= char ?c)
830 (downcase-region (min vip-com-point (point))
831 (max vip-com-point (point))))
832 ((= char ?C)
833 (upcase-region (min vip-com-point (point))
834 (max vip-com-point (point))))
835 ((= char ?g)
836 (set-mark vip-com-point)
837 (vip-global-execute))
838 ((= char ?q)
839 (set-mark vip-com-point)
840 (vip-quote-region))
841 ((= char ?s) (ispell-region vip-com-point (point)))))
844 ;; undoing
846 (defun vip-undo ()
847 "Undo previous change."
848 (interactive)
849 (message "undo!")
850 (undo-start)
851 (undo-more 2)
852 (setq this-command 'vip-undo))
854 (defun vip-undo-more ()
855 "Continue undoing previous changes."
856 (message "undo more!")
857 (undo-more 1)
858 (setq this-command 'vip-undo))
861 ;; utilities
863 (defun vip-string-tail (str)
864 (if (or (null str) (string= str "")) nil
865 (substring str 1)))
867 (defun vip-yank-defun ()
868 (mark-defun)
869 (copy-region-as-kill (point) (mark)))
871 (defun vip-enlarge-region (beg end)
872 "Enlarge region between BEG and END."
873 (if (< beg end)
874 (progn (goto-char beg) (set-mark end))
875 (goto-char end)
876 (set-mark beg))
877 (beginning-of-line)
878 (exchange-point-and-mark)
879 (if (or (not (eobp)) (not (bolp))) (with-no-warnings (next-line 1)))
880 (beginning-of-line)
881 (if (> beg end) (exchange-point-and-mark)))
883 (defun vip-global-execute ()
884 "Call last keyboard macro for each line in the region."
885 (if (> (point) (mark)) (exchange-point-and-mark))
886 (beginning-of-line)
887 (call-last-kbd-macro)
888 (while (< (point) (mark))
889 (forward-line 1)
890 (beginning-of-line)
891 (call-last-kbd-macro)))
893 (defun vip-quote-region ()
894 "Quote region by inserting the user supplied string at the beginning of
895 each line in the region."
896 (setq vip-quote-string
897 (let ((str
898 (vip-read-string (format "quote string (default %s): "
899 vip-quote-string))))
900 (if (string= str "") vip-quote-string str)))
901 (vip-enlarge-region (point) (mark))
902 (if (> (point) (mark)) (exchange-point-and-mark))
903 (insert vip-quote-string)
904 (beginning-of-line)
905 (forward-line 1)
906 (while (and (< (point) (mark)) (bolp))
907 (insert vip-quote-string)
908 (beginning-of-line)
909 (forward-line 1)))
911 (defun vip-end-with-a-newline-p (string)
912 "Check if the string ends with a newline."
913 (or (string= string "")
914 (= (aref string (1- (length string))) ?\n)))
916 (defvar vip-save-minibuffer-local-map)
918 (defun vip-read-string (prompt &optional init)
919 (setq vip-save-minibuffer-local-map (copy-keymap minibuffer-local-map))
920 (define-key minibuffer-local-map "\C-h" 'backward-char)
921 (define-key minibuffer-local-map "\C-w" 'backward-word)
922 (define-key minibuffer-local-map "\e" 'exit-minibuffer)
923 (let (str)
924 (condition-case conditions
925 (setq str (read-string prompt init))
926 (quit
927 (setq minibuffer-local-map vip-save-minibuffer-local-map)
928 (signal 'quit nil)))
929 (setq minibuffer-local-map vip-save-minibuffer-local-map)
930 str))
933 ;; insertion commands
935 (defun vip-repeat-insert-command ()
936 "This function is called when mode changes from insertion mode to
937 vi command mode. It will repeat the insertion command if original insertion
938 command was invoked with argument > 1."
939 (let ((i-com (car vip-d-com)) (val (car (cdr vip-d-com))))
940 (if (and val (> val 1)) ;; first check that val is non-nil
941 (progn
942 (setq vip-d-com (list i-com (1- val) ?r))
943 (vip-repeat nil)
944 (setq vip-d-com (list i-com val ?r))))))
946 (defun vip-insert (arg) ""
947 (interactive "P")
948 (let ((val (vip-p-val arg)) (com (vip-getcom arg)))
949 (setq vip-d-com (list 'vip-insert val ?r))
950 (if com (vip-loop val (yank))
951 (vip-change-mode-to-insert))))
953 (defun vip-append (arg)
954 "Append after point."
955 (interactive "P")
956 (let ((val (vip-p-val arg)) (com (vip-getcom arg)))
957 (setq vip-d-com (list 'vip-append val ?r))
958 (if (not (eolp)) (forward-char))
959 (if (equal com ?r)
960 (vip-loop val (yank))
961 (vip-change-mode-to-insert))))
963 (defun vip-Append (arg)
964 "Append at end of line."
965 (interactive "P")
966 (let ((val (vip-p-val arg)) (com (vip-getcom arg)))
967 (setq vip-d-com (list 'vip-Append val ?r))
968 (end-of-line)
969 (if (equal com ?r)
970 (vip-loop val (yank))
971 (vip-change-mode-to-insert))))
973 (defun vip-Insert (arg)
974 "Insert before first non-white."
975 (interactive "P")
976 (let ((val (vip-p-val arg)) (com (vip-getcom arg)))
977 (setq vip-d-com (list 'vip-Insert val ?r))
978 (back-to-indentation)
979 (if (equal com ?r)
980 (vip-loop val (yank))
981 (vip-change-mode-to-insert))))
983 (defun vip-open-line (arg)
984 "Open line below."
985 (interactive "P")
986 (let ((val (vip-p-val arg)) (com (vip-getcom arg)))
987 (setq vip-d-com (list 'vip-open-line val ?r))
988 (let ((col (current-indentation)))
989 (if (equal com ?r)
990 (vip-loop val
991 (progn
992 (end-of-line)
993 (newline 1)
994 (if vip-open-with-indent (indent-to col))
995 (yank)))
996 (end-of-line)
997 (newline 1)
998 (if vip-open-with-indent (indent-to col))
999 (vip-change-mode-to-insert)))))
1001 (defun vip-Open-line (arg)
1002 "Open line above."
1003 (interactive "P")
1004 (let ((val (vip-p-val arg)) (com (vip-getcom arg)))
1005 (setq vip-d-com (list 'vip-Open-line val ?r))
1006 (let ((col (current-indentation)))
1007 (if (equal com ?r)
1008 (vip-loop val
1009 (progn
1010 (beginning-of-line)
1011 (open-line 1)
1012 (if vip-open-with-indent (indent-to col))
1013 (yank)))
1014 (beginning-of-line)
1015 (open-line 1)
1016 (if vip-open-with-indent (indent-to col))
1017 (vip-change-mode-to-insert)))))
1019 (defun vip-open-line-at-point (arg)
1020 "Open line at point."
1021 (interactive "P")
1022 (let ((val (vip-p-val arg)) (com (vip-getcom arg)))
1023 (setq vip-d-com (list 'vip-open-line-at-point val ?r))
1024 (if (equal com ?r)
1025 (vip-loop val
1026 (progn
1027 (open-line 1)
1028 (yank)))
1029 (open-line 1)
1030 (vip-change-mode-to-insert))))
1032 (defun vip-substitute (arg)
1033 "Substitute characters."
1034 (interactive "P")
1035 (let ((val (vip-p-val arg)) (com (vip-getcom arg)))
1036 (save-excursion
1037 (set-mark (point))
1038 (forward-char val)
1039 (if (equal com ?r)
1040 (vip-change-subr (mark) (point))
1041 (vip-change (mark) (point))))
1042 (setq vip-d-com (list 'vip-substitute val ?r))))
1044 (defun vip-substitute-line (arg)
1045 "Substitute lines."
1046 (interactive "p")
1047 (vip-line (cons arg ?C)))
1050 ;; line command
1052 (defun vip-line (arg)
1053 (let ((val (car arg)) (com (cdr arg)))
1054 (move-marker vip-com-point (point))
1055 (with-no-warnings (next-line (1- val)))
1056 (vip-execute-com 'vip-line val com)))
1058 (defun vip-yank-line (arg)
1059 "Yank ARG lines (in vi's sense)"
1060 (interactive "P")
1061 (let ((val (vip-p-val arg)))
1062 (vip-line (cons val ?Y))))
1065 ;; region command
1067 (defun vip-region (arg)
1068 (interactive "P")
1069 (let ((val (vip-P-val arg))
1070 (com (vip-getcom arg)))
1071 (move-marker vip-com-point (point))
1072 (exchange-point-and-mark)
1073 (vip-execute-com 'vip-region val com)))
1075 (defun vip-Region (arg)
1076 (interactive "P")
1077 (let ((val (vip-P-val arg))
1078 (com (vip-getCom arg)))
1079 (move-marker vip-com-point (point))
1080 (exchange-point-and-mark)
1081 (vip-execute-com 'vip-Region val com)))
1083 (defun vip-replace-char (arg)
1084 "Replace the following ARG chars by the character read."
1085 (interactive "P")
1086 (let ((val (vip-p-val arg)) (com (vip-getcom arg)))
1087 (setq vip-d-com (list 'vip-replace-char val ?r))
1088 (vip-replace-char-subr (if (equal com ?r) vip-d-char (read-char)) val)))
1090 (defun vip-replace-char-subr (char arg)
1091 (delete-char arg t)
1092 (setq vip-d-char char)
1093 (vip-loop (if (> arg 0) arg (- arg)) (insert char))
1094 (backward-char arg))
1096 (defun vip-replace-string ()
1097 "Replace string. If you supply null string as the string to be replaced,
1098 the query replace mode will toggle between string replace and regexp replace."
1099 (interactive)
1100 (let (str)
1101 (setq str (vip-read-string
1102 (if vip-re-replace "Replace regexp: " "Replace string: ")))
1103 (if (string= str "")
1104 (progn
1105 (setq vip-re-replace (not vip-re-replace))
1106 (message "Replace mode changed to %s."
1107 (if vip-re-replace "regexp replace"
1108 "string replace")))
1109 (if vip-re-replace
1110 ;; (replace-regexp
1111 ;; str
1112 ;; (vip-read-string (format "Replace regexp \"%s\" with: " str)))
1113 (while (re-search-forward str nil t)
1114 (replace-match (vip-read-string
1115 (format "Replace regexp \"%s\" with: " str))
1116 nil nil))
1117 (with-no-warnings
1118 (replace-string
1120 (vip-read-string (format "Replace \"%s\" with: " str))))))))
1123 ;; basic cursor movement. j, k, l, m commands.
1125 (defun vip-forward-char (arg)
1126 "Move point right ARG characters (left if ARG negative).On reaching end
1127 of buffer, stop and signal error."
1128 (interactive "P")
1129 (let ((val (vip-p-val arg)) (com (vip-getcom arg)))
1130 (if com (move-marker vip-com-point (point)))
1131 (forward-char val)
1132 (if com (vip-execute-com 'vip-forward-char val com))))
1134 (defun vip-backward-char (arg)
1135 "Move point left ARG characters (right if ARG negative). On reaching
1136 beginning of buffer, stop and signal error."
1137 (interactive "P")
1138 (let ((val (vip-p-val arg)) (com (vip-getcom arg)))
1139 (if com (move-marker vip-com-point (point)))
1140 (backward-char val)
1141 (if com (vip-execute-com 'vip-backward-char val com))))
1144 ;; word command
1146 (defun vip-forward-word (arg)
1147 "Forward word."
1148 (interactive "P")
1149 (let ((val (vip-p-val arg))
1150 (com (vip-getcom arg)))
1151 (if com (move-marker vip-com-point (point)))
1152 (forward-word val)
1153 (skip-chars-forward " \t\n")
1154 (if com
1155 (progn
1156 (if (or (= com ?c) (= com (- ?c)))
1157 (progn (backward-word 1) (forward-word 1)))
1158 (if (or (= com ?d) (= com ?y))
1159 (progn
1160 (backward-word 1)
1161 (forward-word 1)
1162 (skip-chars-forward " \t")))
1163 (vip-execute-com 'vip-forward-word val com)))))
1165 (defun vip-end-of-word (arg)
1166 "Move point to end of current word."
1167 (interactive "P")
1168 (let ((val (vip-p-val arg))
1169 (com (vip-getcom arg)))
1170 (if com (move-marker vip-com-point (point)))
1171 (forward-char)
1172 (forward-word val)
1173 (backward-char)
1174 (if com
1175 (progn
1176 (forward-char)
1177 (vip-execute-com 'vip-end-of-word val com)))))
1179 (defun vip-backward-word (arg)
1180 "Backward word."
1181 (interactive "P")
1182 (let ((val (vip-p-val arg))
1183 (com (vip-getcom arg)))
1184 (if com (move-marker vip-com-point (point)))
1185 (backward-word val)
1186 (if com (vip-execute-com 'vip-backward-word val com))))
1188 (defun vip-forward-Word (arg)
1189 "Forward word delimited by white character."
1190 (interactive "P")
1191 (let ((val (vip-p-val arg))
1192 (com (vip-getcom arg)))
1193 (if com (move-marker vip-com-point (point)))
1194 (re-search-forward "[^ \t\n]*[ \t\n]+" nil t val)
1195 (if com
1196 (progn
1197 (if (or (= com ?c) (= com (- ?c)))
1198 (progn (backward-word 1) (forward-word 1)))
1199 (if (or (= com ?d) (= com ?y))
1200 (progn
1201 (backward-word 1)
1202 (forward-word 1)
1203 (skip-chars-forward " \t")))
1204 (vip-execute-com 'vip-forward-Word val com)))))
1206 (defun vip-end-of-Word (arg)
1207 "Move forward to end of word delimited by white character."
1208 (interactive "P")
1209 (let ((val (vip-p-val arg))
1210 (com (vip-getcom arg)))
1211 (if com (move-marker vip-com-point (point)))
1212 (forward-char)
1213 (if (re-search-forward "[^ \t\n]+" nil t val) (backward-char))
1214 (if com
1215 (progn
1216 (forward-char)
1217 (vip-execute-com 'vip-end-of-Word val com)))))
1219 (defun vip-backward-Word (arg)
1220 "Backward word delimited by white character."
1221 (interactive "P")
1222 (let ((val (vip-p-val arg))
1223 (com (vip-getcom arg)))
1224 (if com (move-marker vip-com-point (point)))
1225 (if (re-search-backward "[ \t\n]+[^ \t\n]+" nil t val)
1226 (forward-char)
1227 (goto-char (point-min)))
1228 (if com (vip-execute-com 'vip-backward-Word val com))))
1230 (defun vip-beginning-of-line (arg)
1231 "Go to beginning of line."
1232 (interactive "P")
1233 (let ((val (vip-p-val arg)) (com (vip-getcom arg)))
1234 (if com (move-marker vip-com-point (point)))
1235 (beginning-of-line val)
1236 (if com (vip-execute-com 'vip-beginning-of-line val com))))
1238 (defun vip-bol-and-skip-white (arg)
1239 "Beginning of line at first non-white character."
1240 (interactive "P")
1241 (let ((val (vip-p-val arg)) (com (vip-getcom arg)))
1242 (if com (move-marker vip-com-point (point)))
1243 (back-to-indentation)
1244 (if com (vip-execute-com 'vip-bol-and-skip-white val com))))
1246 (defun vip-goto-eol (arg)
1247 "Go to end of line."
1248 (interactive "P")
1249 (let ((val (vip-p-val arg)) (com (vip-getcom arg)))
1250 (if com (move-marker vip-com-point (point)))
1251 (end-of-line val)
1252 (if com (vip-execute-com 'vip-goto-eol val com))))
1254 (defun vip-next-line (arg)
1255 "Go to next line."
1256 (interactive "P")
1257 (let ((val (vip-p-val arg)) (com (vip-getCom arg)))
1258 (if com (move-marker vip-com-point (point)))
1259 (line-move val)
1260 (setq this-command 'next-line)
1261 (if com (vip-execute-com 'vip-next-line val com))))
1263 (defun vip-next-line-at-bol (arg)
1264 "Next line at beginning of line."
1265 (interactive "P")
1266 (let ((val (vip-p-val arg)) (com (vip-getCom arg)))
1267 (if com (move-marker vip-com-point (point)))
1268 (with-no-warnings (next-line val))
1269 (back-to-indentation)
1270 (if com (vip-execute-com 'vip-next-line-at-bol val com))))
1272 (defun vip-previous-line (arg)
1273 "Go to previous line."
1274 (interactive "P")
1275 (let ((val (vip-p-val arg)) (com (vip-getCom arg)))
1276 (if com (move-marker vip-com-point (point)))
1277 (with-no-warnings (next-line (- val)))
1278 (setq this-command 'previous-line)
1279 (if com (vip-execute-com 'vip-previous-line val com))))
1281 (defun vip-previous-line-at-bol (arg)
1282 "Previous line at beginning of line."
1283 (interactive "P")
1284 (let ((val (vip-p-val arg)) (com (vip-getCom arg)))
1285 (if com (move-marker vip-com-point (point)))
1286 (with-no-warnings (next-line (- val)))
1287 (back-to-indentation)
1288 (if com (vip-execute-com 'vip-previous-line val com))))
1290 (defun vip-change-to-eol (arg)
1291 "Change to end of line."
1292 (interactive "P")
1293 (vip-goto-eol (cons arg ?c)))
1295 (defun vip-kill-line (arg)
1296 "Delete line."
1297 (interactive "P")
1298 (vip-goto-eol (cons arg ?d)))
1301 ;; moving around
1303 (defun vip-goto-line (arg)
1304 "Go to ARG's line. Without ARG go to end of buffer."
1305 (interactive "P")
1306 (let ((val (vip-P-val arg)) (com (vip-getCom arg)))
1307 (move-marker vip-com-point (point))
1308 (set-mark (point))
1309 (if (null val)
1310 (goto-char (point-max))
1311 (goto-char (point-min))
1312 (forward-line (1- val)))
1313 (back-to-indentation)
1314 (if com (vip-execute-com 'vip-goto-line val com))))
1316 (defun vip-find-char (arg char forward offset)
1317 "Find ARG's occurrence of CHAR on the current line. If FORWARD then
1318 search is forward, otherwise backward. OFFSET is used to adjust point
1319 after search."
1320 (let ((arg (if forward arg (- arg))) point)
1321 (save-excursion
1322 (save-restriction
1323 (if (> arg 0)
1324 (narrow-to-region
1325 ;; forward search begins here
1326 (if (eolp) (error "") (point))
1327 ;; forward search ends here
1328 (progn (with-no-warnings (next-line 1)) (beginning-of-line) (point)))
1329 (narrow-to-region
1330 ;; backward search begins from here
1331 (if (bolp) (error "") (point))
1332 ;; backward search ends here
1333 (progn (beginning-of-line) (point))))
1334 ;; if arg > 0, point is forwarded before search.
1335 (if (> arg 0) (goto-char (1+ (point-min)))
1336 (goto-char (point-max)))
1337 (let ((case-fold-search nil))
1338 (search-forward (char-to-string char) nil 0 arg))
1339 (setq point (point))
1340 (if (or (and (> arg 0) (= point (point-max)))
1341 (and (< arg 0) (= point (point-min))))
1342 (error ""))))
1343 (goto-char (+ point (if (> arg 0) (if offset -2 -1) (if offset 1 0))))))
1345 (defun vip-find-char-forward (arg)
1346 "Find char on the line. If called interactively read the char to find
1347 from the terminal, and if called from vip-repeat, the char last used is
1348 used. This behavior is controlled by the sign of prefix numeric value."
1349 (interactive "P")
1350 (let ((val (vip-p-val arg)) (com (vip-getcom arg)))
1351 (if (> val 0)
1352 ;; this means that the function was called interactively
1353 (setq vip-f-char (read-char)
1354 vip-f-forward t
1355 vip-f-offset nil)
1356 (setq val (- val)))
1357 (if com (move-marker vip-com-point (point)))
1358 (vip-find-char val (if (> (vip-p-val arg) 0) vip-f-char vip-F-char) t nil)
1359 (setq val (- val))
1360 (if com
1361 (progn
1362 (setq vip-F-char vip-f-char);; set new vip-F-char
1363 (forward-char)
1364 (vip-execute-com 'vip-find-char-forward val com)))))
1366 (defun vip-goto-char-forward (arg)
1367 "Go up to char ARG forward on line."
1368 (interactive "P")
1369 (let ((val (vip-p-val arg)) (com (vip-getcom arg)))
1370 (if (> val 0)
1371 ;; this means that the function was called interactively
1372 (setq vip-f-char (read-char)
1373 vip-f-forward t
1374 vip-f-offset t)
1375 (setq val (- val)))
1376 (if com (move-marker vip-com-point (point)))
1377 (vip-find-char val (if (> (vip-p-val arg) 0) vip-f-char vip-F-char) t t)
1378 (setq val (- val))
1379 (if com
1380 (progn
1381 (setq vip-F-char vip-f-char);; set new vip-F-char
1382 (forward-char)
1383 (vip-execute-com 'vip-goto-char-forward val com)))))
1385 (defun vip-find-char-backward (arg)
1386 "Find char ARG on line backward."
1387 (interactive "P")
1388 (let ((val (vip-p-val arg)) (com (vip-getcom arg)))
1389 (if (> val 0)
1390 ;; this means that the function was called interactively
1391 (setq vip-f-char (read-char)
1392 vip-f-forward nil
1393 vip-f-offset nil)
1394 (setq val (- val)))
1395 (if com (move-marker vip-com-point (point)))
1396 (vip-find-char
1397 val (if (> (vip-p-val arg) 0) vip-f-char vip-F-char) nil nil)
1398 (setq val (- val))
1399 (if com
1400 (progn
1401 (setq vip-F-char vip-f-char);; set new vip-F-char
1402 (vip-execute-com 'vip-find-char-backward val com)))))
1404 (defun vip-goto-char-backward (arg)
1405 "Go up to char ARG backward on line."
1406 (interactive "P")
1407 (let ((val (vip-p-val arg)) (com (vip-getcom arg)))
1408 (if (> val 0)
1409 ;; this means that the function was called interactively
1410 (setq vip-f-char (read-char)
1411 vip-f-forward nil
1412 vip-f-offset t)
1413 (setq val (- val)))
1414 (if com (move-marker vip-com-point (point)))
1415 (vip-find-char val (if (> (vip-p-val arg) 0) vip-f-char vip-F-char) nil t)
1416 (setq val (- val))
1417 (if com
1418 (progn
1419 (setq vip-F-char vip-f-char);; set new vip-F-char
1420 (vip-execute-com 'vip-goto-char-backward val com)))))
1422 (defun vip-repeat-find (arg)
1423 "Repeat previous find command."
1424 (interactive "P")
1425 (let ((val (vip-p-val arg)) (com (vip-getcom arg)))
1426 (if com (move-marker vip-com-point (point)))
1427 (vip-find-char val vip-f-char vip-f-forward vip-f-offset)
1428 (if com
1429 (progn
1430 (if vip-f-forward (forward-char))
1431 (vip-execute-com 'vip-repeat-find val com)))))
1433 (defun vip-repeat-find-opposite (arg)
1434 "Repeat previous find command in the opposite direction."
1435 (interactive "P")
1436 (let ((val (vip-p-val arg)) (com (vip-getcom arg)))
1437 (if com (move-marker vip-com-point (point)))
1438 (vip-find-char val vip-f-char (not vip-f-forward) vip-f-offset)
1439 (if com
1440 (progn
1441 (if vip-f-forward (forward-char))
1442 (vip-execute-com 'vip-repeat-find-opposite val com)))))
1445 ;; window scrolling etc.
1447 (defun vip-other-window (arg)
1448 "Switch to other window."
1449 (interactive "p")
1450 (other-window arg)
1451 (or (not (eq vip-current-mode 'emacs-mode))
1452 (string= (buffer-name (current-buffer)) " *Minibuf-1*")
1453 (vip-change-mode-to-vi)))
1455 (defun vip-window-top (arg)
1456 "Go to home window line."
1457 (interactive "P")
1458 (let ((val (vip-p-val arg))
1459 (com (vip-getCom arg)))
1460 (if com (move-marker vip-com-point (point)))
1461 (move-to-window-line (1- val))
1462 (if com (vip-execute-com 'vip-window-top val com))))
1464 (defun vip-window-middle (arg)
1465 "Go to middle window line."
1466 (interactive "P")
1467 (let ((val (vip-p-val arg))
1468 (com (vip-getCom arg)))
1469 (if com (move-marker vip-com-point (point)))
1470 (move-to-window-line (+ (/ (1- (window-height)) 2) (1- val)))
1471 (if com (vip-execute-com 'vip-window-middle val com))))
1473 (defun vip-window-bottom (arg)
1474 "Go to last window line."
1475 (interactive "P")
1476 (let ((val (vip-p-val arg))
1477 (com (vip-getCom arg)))
1478 (if com (move-marker vip-com-point (point)))
1479 (move-to-window-line (- val))
1480 (if com (vip-execute-com 'vip-window-bottom val com))))
1482 (defun vip-line-to-top (arg)
1483 "Put current line on the home line."
1484 (interactive "p")
1485 (recenter (1- arg)))
1487 (defun vip-line-to-middle (arg)
1488 "Put current line on the middle line."
1489 (interactive "p")
1490 (recenter (+ (1- arg) (/ (1- (window-height)) 2))))
1492 (defun vip-line-to-bottom (arg)
1493 "Put current line on the last line."
1494 (interactive "p")
1495 (recenter (- (window-height) (1+ arg))))
1498 ;; paren match
1500 (defun vip-paren-match (arg)
1501 "Go to the matching parenthesis."
1502 (interactive "P")
1503 (let ((com (vip-getcom arg)))
1504 (if (numberp arg)
1505 (if (or (> arg 99) (< arg 1))
1506 (error "Prefix must be between 1 and 99")
1507 (goto-char
1508 (if (> (point-max) 80000)
1509 (* (/ (point-max) 100) arg)
1510 (/ (* (point-max) arg) 100)))
1511 (back-to-indentation))
1512 (cond ((looking-at "[\(\[{]")
1513 (if com (move-marker vip-com-point (point)))
1514 (forward-sexp 1)
1515 (if com
1516 (vip-execute-com 'vip-paren-match nil com)
1517 (backward-char)))
1518 ((looking-at "[])}]")
1519 (forward-char)
1520 (if com (move-marker vip-com-point (point)))
1521 (backward-sexp 1)
1522 (if com (vip-execute-com 'vip-paren-match nil com)))
1523 (t (error ""))))))
1526 ;; sentence and paragraph
1528 (defun vip-forward-sentence (arg)
1529 "Forward sentence."
1530 (interactive "P")
1531 (let ((val (vip-p-val arg))
1532 (com (vip-getcom arg)))
1533 (if com (move-marker vip-com-point (point)))
1534 (forward-sentence val)
1535 (if com (vip-execute-com 'vip-forward-sentence nil com))))
1537 (defun vip-backward-sentence (arg)
1538 "Backward sentence."
1539 (interactive "P")
1540 (let ((val (vip-p-val arg))
1541 (com (vip-getcom arg)))
1542 (if com (move-marker vip-com-point (point)))
1543 (backward-sentence val)
1544 (if com (vip-execute-com 'vip-backward-sentence nil com))))
1546 (defun vip-forward-paragraph (arg)
1547 "Forward paragraph."
1548 (interactive "P")
1549 (let ((val (vip-p-val arg))
1550 (com (vip-getCom arg)))
1551 (if com (move-marker vip-com-point (point)))
1552 (forward-paragraph val)
1553 (if com (vip-execute-com 'vip-forward-paragraph nil com))))
1555 (defun vip-backward-paragraph (arg)
1556 "Backward paragraph."
1557 (interactive "P")
1558 (let ((val (vip-p-val arg))
1559 (com (vip-getCom arg)))
1560 (if com (move-marker vip-com-point (point)))
1561 (backward-paragraph val)
1562 (if com (vip-execute-com 'vip-backward-paragraph nil com))))
1565 ;; scrolling
1567 (defun vip-scroll (arg)
1568 "Scroll to next screen."
1569 (interactive "p")
1570 (if (> arg 0)
1571 (while (> arg 0)
1572 (scroll-up)
1573 (setq arg (1- arg)))
1574 (while (> 0 arg)
1575 (scroll-down)
1576 (setq arg (1+ arg)))))
1578 (defun vip-scroll-back (arg)
1579 "Scroll to previous screen."
1580 (interactive "p")
1581 (vip-scroll (- arg)))
1583 (defun vip-scroll-down (arg)
1584 "Scroll up half screen."
1585 (interactive "P")
1586 (if (null arg) (scroll-down (/ (window-height) 2))
1587 (scroll-down arg)))
1589 (defun vip-scroll-down-one (arg)
1590 "Scroll up one line."
1591 (interactive "p")
1592 (scroll-down arg))
1594 (defun vip-scroll-up (arg)
1595 "Scroll down half screen."
1596 (interactive "P")
1597 (if (null arg) (scroll-up (/ (window-height) 2))
1598 (scroll-up arg)))
1600 (defun vip-scroll-up-one (arg)
1601 "Scroll down one line."
1602 (interactive "p")
1603 (scroll-up arg))
1606 ;; splitting window
1608 (defun vip-buffer-in-two-windows ()
1609 "Show current buffer in two windows."
1610 (interactive)
1611 (delete-other-windows)
1612 (split-window-below))
1615 ;; searching
1617 (defun vip-search-forward (arg)
1618 "Search a string forward. ARG is used to find the ARG's occurrence
1619 of the string. Default is vanilla search. Search mode can be toggled by
1620 giving null search string."
1621 (interactive "P")
1622 (let ((val (vip-P-val arg)) (com (vip-getcom arg)))
1623 (setq vip-s-forward t
1624 vip-s-string (vip-read-string (if vip-re-search "RE-/" "/")))
1625 (if (string= vip-s-string "")
1626 (progn
1627 (setq vip-re-search (not vip-re-search))
1628 (message "Search mode changed to %s search."
1629 (if vip-re-search "regular expression"
1630 "vanilla")))
1631 (vip-search vip-s-string t val)
1632 (if com
1633 (progn
1634 (move-marker vip-com-point (mark))
1635 (vip-execute-com 'vip-search-next val com))))))
1637 (defun vip-search-backward (arg)
1638 "Search a string backward. ARG is used to find the ARG's occurrence
1639 of the string. Default is vanilla search. Search mode can be toggled by
1640 giving null search string."
1641 (interactive "P")
1642 (let ((val (vip-P-val arg)) (com (vip-getcom arg)))
1643 (setq vip-s-forward nil
1644 vip-s-string (vip-read-string (if vip-re-search "RE-?" "?")))
1645 (if (string= vip-s-string "")
1646 (progn
1647 (setq vip-re-search (not vip-re-search))
1648 (message "Search mode changed to %s search."
1649 (if vip-re-search "regular expression"
1650 "vanilla")))
1651 (vip-search vip-s-string nil val)
1652 (if com
1653 (progn
1654 (move-marker vip-com-point (mark))
1655 (vip-execute-com 'vip-search-next val com))))))
1657 (defun vip-search (string forward arg &optional no-offset init-point)
1658 "(STRING FORWARD COUNT &optional NO-OFFSET) Search COUNT's occurrence of
1659 STRING. Search will be forward if FORWARD, otherwise backward."
1660 (let ((val (vip-p-val arg)) (com (vip-getcom arg))
1661 (null-arg (null (vip-P-val arg))) (offset (not no-offset))
1662 (case-fold-search vip-case-fold-search)
1663 (start-point (or init-point (point))))
1664 (if forward
1665 (condition-case conditions
1666 (progn
1667 (if (and offset (not (eobp))) (forward-char))
1668 (if vip-re-search
1669 (progn
1670 (re-search-forward string nil nil val)
1671 (re-search-backward string))
1672 (search-forward string nil nil val)
1673 (search-backward string))
1674 (push-mark start-point))
1675 (search-failed
1676 (if (and null-arg vip-search-wrap-around)
1677 (progn
1678 (goto-char (point-min))
1679 (vip-search string forward (cons 1 com) t start-point))
1680 (goto-char start-point)
1681 (signal 'search-failed (cdr conditions)))))
1682 (condition-case conditions
1683 (progn
1684 (if vip-re-search
1685 (re-search-backward string nil nil val)
1686 (search-backward string nil nil val))
1687 (push-mark start-point))
1688 (search-failed
1689 (if (and null-arg vip-search-wrap-around)
1690 (progn
1691 (goto-char (point-max))
1692 (vip-search string forward (cons 1 com) t start-point))
1693 (goto-char start-point)
1694 (signal 'search-failed (cdr conditions))))))))
1696 (defun vip-search-next (arg)
1697 "Repeat previous search."
1698 (interactive "P")
1699 (let ((val (vip-p-val arg)) (com (vip-getcom arg)))
1700 (if (null vip-s-string) (error "No previous search string"))
1701 (vip-search vip-s-string vip-s-forward arg)
1702 (if com (vip-execute-com 'vip-search-next val com))))
1704 (defun vip-search-Next (arg)
1705 "Repeat previous search in the reverse direction."
1706 (interactive "P")
1707 (let ((val (vip-p-val arg)) (com (vip-getcom arg)))
1708 (if (null vip-s-string) (error "No previous search string"))
1709 (vip-search vip-s-string (not vip-s-forward) arg)
1710 (if com (vip-execute-com 'vip-search-Next val com))))
1713 ;; visiting and killing files, buffers
1715 (defun vip-switch-to-buffer ()
1716 "Switch to buffer in the current window."
1717 (interactive)
1718 (let (buffer)
1719 (setq buffer
1720 (read-buffer
1721 (format "switch to buffer \(%s\): "
1722 (buffer-name (other-buffer (current-buffer))))))
1723 (switch-to-buffer buffer)
1724 (vip-change-mode-to-vi)))
1726 (defun vip-switch-to-buffer-other-window ()
1727 "Switch to buffer in another window."
1728 (interactive)
1729 (let (buffer)
1730 (setq buffer
1731 (read-buffer
1732 (format "Switch to buffer \(%s\): "
1733 (buffer-name (other-buffer (current-buffer))))))
1734 (switch-to-buffer-other-window buffer)
1735 (vip-change-mode-to-vi)))
1737 (defun vip-kill-buffer ()
1738 "Kill a buffer."
1739 (interactive)
1740 (let (buffer buffer-name)
1741 (setq buffer-name
1742 (read-buffer
1743 (format "Kill buffer \(%s\): "
1744 (buffer-name (current-buffer)))))
1745 (setq buffer
1746 (if (null buffer-name)
1747 (current-buffer)
1748 (get-buffer buffer-name)))
1749 (if (null buffer) (error "Buffer %s nonexistent" buffer-name))
1750 (if (or (not (buffer-modified-p buffer))
1751 (y-or-n-p "Buffer is modified, are you sure? "))
1752 (kill-buffer buffer)
1753 (error "Buffer not killed"))))
1755 (defun vip-find-file ()
1756 "Visit file in the current window."
1757 (interactive)
1758 (let (file)
1759 (setq file (read-file-name "visit file: "))
1760 (switch-to-buffer (find-file-noselect file))
1761 (vip-change-mode-to-vi)))
1763 (defun vip-find-file-other-window ()
1764 "Visit file in another window."
1765 (interactive)
1766 (let (file)
1767 (setq file (read-file-name "Visit file: "))
1768 (switch-to-buffer-other-window (find-file-noselect file))
1769 (vip-change-mode-to-vi)))
1771 (defun vip-info-on-file ()
1772 "Give information of the file associated to the current buffer."
1773 (interactive)
1774 (message "\"%s\" line %d of %d"
1775 (if (buffer-file-name) (buffer-file-name) "")
1776 (1+ (count-lines (point-min) (point)))
1777 (1+ (count-lines (point-min) (point-max)))))
1780 ;; yank and pop
1782 (defun vip-yank (text)
1783 "yank TEXT silently."
1784 (save-excursion
1785 (vip-push-mark-silent (point))
1786 (insert text)
1787 (exchange-point-and-mark))
1788 (skip-chars-forward " \t"))
1790 (defun vip-put-back (arg)
1791 "Put back after point/below line."
1792 (interactive "P")
1793 (let ((val (vip-p-val arg))
1794 (text (if vip-use-register
1795 (if (and (<= ?1 vip-use-register) (<= vip-use-register ?9))
1796 (current-kill (- vip-use-register ?1) 'do-not-rotate)
1797 (get-register vip-use-register))
1798 (current-kill 0))))
1799 (if (null text)
1800 (if vip-use-register
1801 (let ((reg vip-use-register))
1802 (setq vip-use-register nil)
1803 (error "Nothing in register %c" reg))
1804 (error "")))
1805 (setq vip-use-register nil)
1806 (if (vip-end-with-a-newline-p text)
1807 (progn
1808 (with-no-warnings (next-line 1))
1809 (beginning-of-line))
1810 (if (and (not (eolp)) (not (eobp))) (forward-char)))
1811 (setq vip-d-com (list 'vip-put-back val nil vip-use-register))
1812 (vip-loop val (vip-yank text))))
1814 (defun vip-Put-back (arg)
1815 "Put back at point/above line."
1816 (interactive "P")
1817 (let ((val (vip-p-val arg))
1818 (text (if vip-use-register
1819 (if (and (<= ?1 vip-use-register) (<= vip-use-register ?9))
1820 (current-kill (- vip-use-register ?1) 'do-not-rotate)
1821 (get-register vip-use-register))
1822 (current-kill 0))))
1823 (if (null text)
1824 (if vip-use-register
1825 (let ((reg vip-use-register))
1826 (setq vip-use-register nil)
1827 (error "Nothing in register %c" reg))
1828 (error "")))
1829 (setq vip-use-register nil)
1830 (if (vip-end-with-a-newline-p text) (beginning-of-line))
1831 (setq vip-d-com (list 'vip-Put-back val nil vip-use-register))
1832 (vip-loop val (vip-yank text))))
1834 (defun vip-delete-char (arg)
1835 "Delete character."
1836 (interactive "P")
1837 (let ((val (vip-p-val arg)))
1838 (setq vip-d-com (list 'vip-delete-char val nil))
1839 (if vip-use-register
1840 (progn
1841 (if (and (<= ?A vip-use-register) (<= vip-use-register ?Z))
1842 (vip-append-to-register
1843 (+ vip-use-register 32) (point) (- (point) val))
1844 (copy-to-register vip-use-register (point) (- (point) val) nil))
1845 (setq vip-use-register nil)))
1846 (delete-char val t)))
1848 (defun vip-delete-backward-char (arg)
1849 "Delete previous character."
1850 (interactive "P")
1851 (let ((val (vip-p-val arg)))
1852 (setq vip-d-com (list 'vip-delete-backward-char val nil))
1853 (if vip-use-register
1854 (progn
1855 (if (and (<= ?A vip-use-register) (<= vip-use-register ?Z))
1856 (vip-append-to-register
1857 (+ vip-use-register 32) (point) (+ (point) val))
1858 (copy-to-register vip-use-register (point) (+ (point) val) nil))
1859 (setq vip-use-register nil)))
1860 (delete-backward-char val t)))
1863 ;; join lines.
1865 (defun vip-join-lines (arg)
1866 "Join this line to next, if ARG is nil. Otherwise, join ARG lines"
1867 (interactive "*P")
1868 (let ((val (vip-P-val arg)))
1869 (setq vip-d-com (list 'vip-join-lines val nil))
1870 (vip-loop (if (null val) 1 (1- val))
1871 (progn
1872 (end-of-line)
1873 (if (not (eobp))
1874 (progn
1875 (forward-line 1)
1876 (delete-region (point) (1- (point)))
1877 (fixup-whitespace)))))))
1880 ;; making small changes
1882 (defvar vip-c-string)
1884 (defun vip-change (beg end)
1885 (setq vip-c-string
1886 (vip-read-string (format "%s => " (buffer-substring beg end))))
1887 (vip-change-subr beg end))
1889 (defun vip-change-subr (beg end)
1890 (if vip-use-register
1891 (progn
1892 (copy-to-register vip-use-register beg end nil)
1893 (setq vip-use-register nil)))
1894 (kill-region beg end)
1895 (setq this-command 'vip-change)
1896 (insert vip-c-string))
1899 ;; query replace
1901 (defun vip-query-replace ()
1902 "Query replace. If you supply null string as the string to be replaced,
1903 the query replace mode will toggle between string replace and regexp replace."
1904 (interactive)
1905 (let (str)
1906 (setq str (vip-read-string
1907 (if vip-re-query-replace "Query replace regexp: "
1908 "Query replace: ")))
1909 (if (string= str "")
1910 (progn
1911 (setq vip-re-query-replace (not vip-re-query-replace))
1912 (message "Query replace mode changed to %s."
1913 (if vip-re-query-replace "regexp replace"
1914 "string replace")))
1915 (if vip-re-query-replace
1916 (query-replace-regexp
1918 (vip-read-string (format "Query replace regexp \"%s\" with: " str)))
1919 (query-replace
1921 (vip-read-string (format "Query replace \"%s\" with: " str)))))))
1924 ;; marking
1926 (defun vip-mark-beginning-of-buffer ()
1927 (interactive)
1928 (set-mark (point))
1929 (goto-char (point-min))
1930 (exchange-point-and-mark)
1931 (message "mark set at the beginning of buffer"))
1933 (defun vip-mark-end-of-buffer ()
1934 (interactive)
1935 (set-mark (point))
1936 (goto-char (point-max))
1937 (exchange-point-and-mark)
1938 (message "mark set at the end of buffer"))
1940 (defun vip-mark-point (char)
1941 (interactive "c")
1942 (cond ((and (<= ?a char) (<= char ?z))
1943 (point-to-register (- char (- ?a ?\C-a)) nil))
1944 ((= char ?<) (vip-mark-beginning-of-buffer))
1945 ((= char ?>) (vip-mark-end-of-buffer))
1946 ((= char ?.) (push-mark))
1947 ((= char ?,) (set-mark-command 1))
1948 ((= char ?D) (mark-defun))
1949 (t (error ""))))
1951 (defun vip-goto-mark (arg)
1952 "Go to mark."
1953 (interactive "P")
1954 (let ((char (read-char)) (com (vip-getcom arg)))
1955 (vip-goto-mark-subr char com nil)))
1957 (defun vip-goto-mark-and-skip-white (arg)
1958 "Go to mark and skip to first non-white on line."
1959 (interactive "P")
1960 (let ((char (read-char)) (com (vip-getCom arg)))
1961 (vip-goto-mark-subr char com t)))
1963 (defun vip-goto-mark-subr (char com skip-white)
1964 (cond ((and (<= ?a char) (<= char ?z))
1965 (let ((buff (current-buffer)))
1966 (if com (move-marker vip-com-point (point)))
1967 (goto-char (register-to-point (- char (- ?a ?\C-a))))
1968 (if skip-white (back-to-indentation))
1969 (vip-change-mode-to-vi)
1970 (if com
1971 (if (equal buff (current-buffer))
1972 (vip-execute-com (if skip-white
1973 'vip-goto-mark-and-skip-white
1974 'vip-goto-mark)
1975 nil com)
1976 (switch-to-buffer buff)
1977 (goto-char vip-com-point)
1978 (vip-change-mode-to-vi)
1979 (error "")))))
1980 ((and (not skip-white) (= char ?`))
1981 (if com (move-marker vip-com-point (point)))
1982 (exchange-point-and-mark)
1983 (if com (vip-execute-com 'vip-goto-mark nil com)))
1984 ((and skip-white (= char ?'))
1985 (if com (move-marker vip-com-point (point)))
1986 (exchange-point-and-mark)
1987 (back-to-indentation)
1988 (if com (vip-execute-com 'vip-goto-mark-and-skip-white nil com)))
1989 (t (error ""))))
1991 (defun vip-exchange-point-and-mark ()
1992 (interactive)
1993 (exchange-point-and-mark)
1994 (back-to-indentation))
1996 (defun vip-keyboard-quit ()
1997 "Abort partially formed or running command."
1998 (interactive)
1999 (setq vip-use-register nil)
2000 (keyboard-quit))
2002 (defun vip-ctl-c-equivalent (arg)
2003 "Emulate C-c in Emacs mode."
2004 (interactive "P")
2005 (vip-ctl-key-equivalent "\C-c" arg))
2007 (defun vip-ctl-x-equivalent (arg)
2008 "Emulate C-x in Emacs mode."
2009 (interactive "P")
2010 (vip-ctl-key-equivalent "\C-x" arg))
2012 (defun vip-ctl-key-equivalent (key arg)
2013 (let ((char (read-char)))
2014 (if (and (<= ?A char) (<= char ?Z))
2015 (setq char (- char (- ?A ?\C-a))))
2016 (vip-escape-to-emacs arg (list (aref key 0) char))))
2018 ;; commands in insertion mode
2020 (defun vip-delete-backward-word (arg)
2021 "Delete previous word."
2022 (interactive "p")
2023 (save-excursion
2024 (set-mark (point))
2025 (backward-word arg)
2026 (delete-region (point) (mark))))
2029 ;; implement ex commands
2031 (defvar ex-token-type nil
2032 "type of token. if non-nil, gives type of address. if nil, it
2033 is a command.")
2035 (defvar ex-token nil
2036 "value of token.")
2038 (defvar ex-addresses nil
2039 "list of ex addresses")
2041 (defvar ex-flag nil
2042 "flag for ex flag")
2044 (defvar ex-buffer nil
2045 "name of ex buffer")
2047 (defvar ex-count nil
2048 "value of ex count")
2050 (defvar ex-g-flag nil
2051 "flag for global command")
2053 (defvar ex-g-variant nil
2054 "if t global command is executed on lines not matching ex-g-pat")
2056 (defvar ex-reg-exp nil
2057 "save reg-exp used in substitute")
2059 (defvar ex-repl nil
2060 "replace pattern for substitute")
2062 (defvar ex-g-pat nil
2063 "pattern for global command")
2065 (defvar ex-map (make-sparse-keymap)
2066 "save commands for mapped keys")
2068 (defvar ex-tag nil
2069 "save ex tag")
2071 (defvar ex-file nil)
2073 (defvar ex-variant nil)
2075 (defvar ex-offset nil)
2077 (defvar ex-append nil)
2079 (defun vip-nil ()
2080 (interactive)
2081 (error ""))
2083 (defun vip-looking-back (str)
2084 "returns t if looking back reg-exp STR before point."
2085 (and (save-excursion (re-search-backward str nil t))
2086 (= (point) (match-end 0))))
2088 (defun vip-check-sub (str)
2089 "check if ex-token is an initial segment of STR"
2090 (let ((length (length ex-token)))
2091 (if (and (<= length (length str))
2092 (string= ex-token (substring str 0 length)))
2093 (setq ex-token str)
2094 (setq ex-token-type "non-command"))))
2096 (defun vip-get-ex-com-subr ()
2097 "get a complete ex command"
2098 (set-mark (point))
2099 (re-search-forward "[a-z][a-z]*")
2100 (setq ex-token-type "command")
2101 (setq ex-token (buffer-substring (point) (mark)))
2102 (exchange-point-and-mark)
2103 (cond ((looking-at "a")
2104 (cond ((looking-at "ab") (vip-check-sub "abbreviate"))
2105 ((looking-at "ar") (vip-check-sub "args"))
2106 (t (vip-check-sub "append"))))
2107 ((looking-at "[bh]") (setq ex-token-type "non-command"))
2108 ((looking-at "c")
2109 (if (looking-at "co") (vip-check-sub "copy")
2110 (vip-check-sub "change")))
2111 ((looking-at "d") (vip-check-sub "delete"))
2112 ((looking-at "e")
2113 (if (looking-at "ex") (vip-check-sub "ex")
2114 (vip-check-sub "edit")))
2115 ((looking-at "f") (vip-check-sub "file"))
2116 ((looking-at "g") (vip-check-sub "global"))
2117 ((looking-at "i") (vip-check-sub "insert"))
2118 ((looking-at "j") (vip-check-sub "join"))
2119 ((looking-at "l") (vip-check-sub "list"))
2120 ((looking-at "m")
2121 (cond ((looking-at "map") (vip-check-sub "map"))
2122 ((looking-at "mar") (vip-check-sub "mark"))
2123 (t (vip-check-sub "move"))))
2124 ((looking-at "n")
2125 (if (looking-at "nu") (vip-check-sub "number")
2126 (vip-check-sub "next")))
2127 ((looking-at "o") (vip-check-sub "open"))
2128 ((looking-at "p")
2129 (cond ((looking-at "pre") (vip-check-sub "preserve"))
2130 ((looking-at "pu") (vip-check-sub "put"))
2131 (t (vip-check-sub "print"))))
2132 ((looking-at "q") (vip-check-sub "quit"))
2133 ((looking-at "r")
2134 (cond ((looking-at "rec") (vip-check-sub "recover"))
2135 ((looking-at "rew") (vip-check-sub "rewind"))
2136 (t (vip-check-sub "read"))))
2137 ((looking-at "s")
2138 (cond ((looking-at "se") (vip-check-sub "set"))
2139 ((looking-at "sh") (vip-check-sub "shell"))
2140 ((looking-at "so") (vip-check-sub "source"))
2141 ((looking-at "st") (vip-check-sub "stop"))
2142 (t (vip-check-sub "substitute"))))
2143 ((looking-at "t")
2144 (if (looking-at "ta") (vip-check-sub "tag")
2145 (vip-check-sub "t")))
2146 ((looking-at "u")
2147 (cond ((looking-at "una") (vip-check-sub "unabbreviate"))
2148 ((looking-at "unm") (vip-check-sub "unmap"))
2149 (t (vip-check-sub "undo"))))
2150 ((looking-at "v")
2151 (cond ((looking-at "ve") (vip-check-sub "version"))
2152 ((looking-at "vi") (vip-check-sub "visual"))
2153 (t (vip-check-sub "v"))))
2154 ((looking-at "w")
2155 (if (looking-at "wq") (vip-check-sub "wq")
2156 (vip-check-sub "write")))
2157 ((looking-at "x") (vip-check-sub "xit"))
2158 ((looking-at "y") (vip-check-sub "yank"))
2159 ((looking-at "z") (vip-check-sub "z")))
2160 (exchange-point-and-mark))
2162 (defun vip-get-ex-token ()
2163 "get an ex-token which is either an address or a command.
2164 a token has type \(command, address, end-mark\) and value."
2165 (with-current-buffer " *ex-working-space*"
2166 (skip-chars-forward " \t")
2167 (cond ((looking-at "[k#]")
2168 (setq ex-token-type "command")
2169 (setq ex-token (char-to-string (following-char)))
2170 (forward-char 1))
2171 ((looking-at "[a-z]") (vip-get-ex-com-subr))
2172 ((looking-at "\\.")
2173 (forward-char 1)
2174 (setq ex-token-type "dot"))
2175 ((looking-at "[0-9]")
2176 (set-mark (point))
2177 (re-search-forward "[0-9]*")
2178 (setq ex-token-type
2179 (cond ((string= ex-token-type "plus") "add-number")
2180 ((string= ex-token-type "minus") "sub-number")
2181 (t "abs-number")))
2182 (setq ex-token (string-to-number (buffer-substring (point) (mark)))))
2183 ((looking-at "\\$")
2184 (forward-char 1)
2185 (setq ex-token-type "end"))
2186 ((looking-at "%")
2187 (forward-char 1)
2188 (setq ex-token-type "whole"))
2189 ((looking-at "+")
2190 (cond ((or (looking-at "+[-+]") (looking-at "+[\n|]"))
2191 (forward-char 1)
2192 (insert "1")
2193 (backward-char 1)
2194 (setq ex-token-type "plus"))
2195 ((looking-at "+[0-9]")
2196 (forward-char 1)
2197 (setq ex-token-type "plus"))
2199 (error "Badly formed address"))))
2200 ((looking-at "-")
2201 (cond ((or (looking-at "-[-+]") (looking-at "-[\n|]"))
2202 (forward-char 1)
2203 (insert "1")
2204 (backward-char 1)
2205 (setq ex-token-type "minus"))
2206 ((looking-at "-[0-9]")
2207 (forward-char 1)
2208 (setq ex-token-type "minus"))
2210 (error "Badly formed address"))))
2211 ((looking-at "/")
2212 (forward-char 1)
2213 (set-mark (point))
2214 (let ((cont t))
2215 (while (and (not (eolp)) cont)
2216 ;;(re-search-forward "[^/]*/")
2217 (re-search-forward "[^/]*\\(/\\|\n\\)")
2218 (if (not (vip-looking-back "[^\\\\]\\(\\\\\\\\\\)*\\\\/"))
2219 (setq cont nil))))
2220 (backward-char 1)
2221 (setq ex-token (buffer-substring (point) (mark)))
2222 (if (looking-at "/") (forward-char 1))
2223 (setq ex-token-type "search-forward"))
2224 ((looking-at "\\?")
2225 (forward-char 1)
2226 (set-mark (point))
2227 (let ((cont t))
2228 (while (and (not (eolp)) cont)
2229 ;;(re-search-forward "[^\\?]*\\?")
2230 (re-search-forward "[^\\?]*\\(\\?\\|\n\\)")
2231 (if (not (vip-looking-back "[^\\\\]\\(\\\\\\\\\\)*\\\\\\?"))
2232 (setq cont nil))
2233 (backward-char 1)
2234 (if (not (looking-at "\n")) (forward-char 1))))
2235 (setq ex-token-type "search-backward")
2236 (setq ex-token (buffer-substring (1- (point)) (mark))))
2237 ((looking-at ",")
2238 (forward-char 1)
2239 (setq ex-token-type "comma"))
2240 ((looking-at ";")
2241 (forward-char 1)
2242 (setq ex-token-type "semi-colon"))
2243 ((looking-at "[!=><&~]")
2244 (setq ex-token-type "command")
2245 (setq ex-token (char-to-string (following-char)))
2246 (forward-char 1))
2247 ((looking-at "'")
2248 (setq ex-token-type "goto-mark")
2249 (forward-char 1)
2250 (cond ((looking-at "'") (setq ex-token nil))
2251 ((looking-at "[a-z]") (setq ex-token (following-char)))
2252 (t (error "Marks are ' and a-z")))
2253 (forward-char 1))
2254 ((looking-at "\n")
2255 (setq ex-token-type "end-mark")
2256 (setq ex-token "goto"))
2258 (error "invalid token")))))
2260 (defun vip-ex (&optional string)
2261 "ex commands within VIP."
2262 (interactive)
2263 (or string
2264 (setq ex-g-flag nil
2265 ex-g-variant nil))
2266 (let ((com-str (or string (vip-read-string ":")))
2267 (address nil) (cont t) (dot (point)))
2268 (with-current-buffer (get-buffer-create " *ex-working-space*")
2269 (delete-region (point-min) (point-max))
2270 (insert com-str "\n")
2271 (goto-char (point-min)))
2272 (setq ex-token-type "")
2273 (setq ex-addresses nil)
2274 (while cont
2275 (vip-get-ex-token)
2276 (cond ((or (string= ex-token-type "command")
2277 (string= ex-token-type "end-mark"))
2278 (if address (setq ex-addresses (cons address ex-addresses)))
2279 (cond ((string= ex-token "global")
2280 (ex-global nil)
2281 (setq cont nil))
2282 ((string= ex-token "v")
2283 (ex-global t)
2284 (setq cont nil))
2286 (vip-execute-ex-command)
2287 (with-current-buffer " *ex-working-space*"
2288 (skip-chars-forward " \t")
2289 (cond ((looking-at "|")
2290 (forward-char 1))
2291 ((looking-at "\n")
2292 (setq cont nil))
2293 (t (error "Extra character at end of a command")))))))
2294 ((string= ex-token-type "non-command")
2295 (error "%s: Not an editor command" ex-token))
2296 ((string= ex-token-type "whole")
2297 (setq ex-addresses
2298 (cons (point-max) (cons (point-min) ex-addresses))))
2299 ((string= ex-token-type "comma")
2300 (setq ex-addresses
2301 (cons (if (null address) (point) address) ex-addresses)))
2302 ((string= ex-token-type "semi-colon")
2303 (if address (setq dot address))
2304 (setq ex-addresses
2305 (cons (if (null address) (point) address) ex-addresses)))
2306 (t (let ((ans (vip-get-ex-address-subr address dot)))
2307 (if ans (setq address ans))))))))
2309 (defun vip-get-ex-pat ()
2310 "get a regular expression and set ex-variant if found"
2311 (with-current-buffer " *ex-working-space*"
2312 (skip-chars-forward " \t")
2313 (if (looking-at "!")
2314 (progn
2315 (setq ex-g-variant (not ex-g-variant)
2316 ex-g-flag (not ex-g-flag))
2317 (forward-char 1)
2318 (skip-chars-forward " \t")))
2319 (if (looking-at "/")
2320 (progn
2321 (forward-char 1)
2322 (set-mark (point))
2323 (let ((cont t))
2324 (while (and (not (eolp)) cont)
2325 (re-search-forward "[^/]*\\(/\\|\n\\)")
2326 ;;(re-search-forward "[^/]*/")
2327 (if (not (vip-looking-back "[^\\\\]\\(\\\\\\\\\\)*\\\\/"))
2328 (setq cont nil))))
2329 (setq ex-token
2330 (if (= (mark) (point)) ""
2331 (buffer-substring (1- (point)) (mark))))
2332 (backward-char 1))
2333 (setq ex-token nil))))
2335 (defun vip-get-ex-command ()
2336 "get an ex command"
2337 (with-current-buffer " *ex-working-space*"
2338 (if (looking-at "/") (forward-char 1))
2339 (skip-chars-forward " \t")
2340 (cond ((looking-at "[a-z]")
2341 (vip-get-ex-com-subr)
2342 (if (string= ex-token-type "non-command")
2343 (error "%s: not an editor command" ex-token)))
2344 ((looking-at "[!=><&~]")
2345 (setq ex-token (char-to-string (following-char)))
2346 (forward-char 1))
2347 (t (error "Could not find an ex command")))))
2349 (defun vip-get-ex-opt-gc ()
2350 "get an ex option g or c"
2351 (with-current-buffer " *ex-working-space*"
2352 (if (looking-at "/") (forward-char 1))
2353 (skip-chars-forward " \t")
2354 (cond ((looking-at "g")
2355 (setq ex-token "g")
2356 (forward-char 1)
2358 ((looking-at "c")
2359 (setq ex-token "c")
2360 (forward-char 1)
2362 (t nil))))
2364 (defun vip-default-ex-addresses (&optional whole-flag)
2365 "compute default addresses. whole-flag means whole buffer."
2366 (cond ((null ex-addresses)
2367 (setq ex-addresses
2368 (if whole-flag
2369 (cons (point-max) (cons (point-min) nil))
2370 (cons (point) (cons (point) nil)))))
2371 ((null (cdr ex-addresses))
2372 (setq ex-addresses
2373 (cons (car ex-addresses) ex-addresses)))))
2375 (defun vip-get-ex-address ()
2376 "get an ex-address as a marker and set ex-flag if a flag is found"
2377 (let ((address (point-marker)) (cont t))
2378 (setq ex-token "")
2379 (setq ex-flag nil)
2380 (while cont
2381 (vip-get-ex-token)
2382 (cond ((string= ex-token-type "command")
2383 (if (or (string= ex-token "print") (string= ex-token "list")
2384 (string= ex-token "#"))
2385 (progn
2386 (setq ex-flag t)
2387 (setq cont nil))
2388 (error "address expected")))
2389 ((string= ex-token-type "end-mark")
2390 (setq cont nil))
2391 ((string= ex-token-type "whole")
2392 (error "a trailing address is expected"))
2393 ((string= ex-token-type "comma")
2394 (error "Extra characters after an address"))
2395 (t (let ((ans (vip-get-ex-address-subr address (point-marker))))
2396 (if ans (setq address ans))))))
2397 address))
2399 (defun vip-get-ex-address-subr (old-address dot)
2400 "returns an address as a point"
2401 (let ((address nil))
2402 (if (null old-address) (setq old-address dot))
2403 (cond ((string= ex-token-type "dot")
2404 (setq address dot))
2405 ((string= ex-token-type "add-number")
2406 (save-excursion
2407 (goto-char old-address)
2408 (forward-line (if (= old-address 0) (1- ex-token) ex-token))
2409 (setq address (point-marker))))
2410 ((string= ex-token-type "sub-number")
2411 (save-excursion
2412 (goto-char old-address)
2413 (forward-line (- ex-token))
2414 (setq address (point-marker))))
2415 ((string= ex-token-type "abs-number")
2416 (save-excursion
2417 (goto-char (point-min))
2418 (if (= ex-token 0) (setq address 0)
2419 (forward-line (1- ex-token))
2420 (setq address (point-marker)))))
2421 ((string= ex-token-type "end")
2422 (setq address (point-max-marker)))
2423 ((string= ex-token-type "plus") t);; do nothing
2424 ((string= ex-token-type "minus") t);; do nothing
2425 ((string= ex-token-type "search-forward")
2426 (save-excursion
2427 (ex-search-address t)
2428 (setq address (point-marker))))
2429 ((string= ex-token-type "search-backward")
2430 (save-excursion
2431 (ex-search-address nil)
2432 (setq address (point-marker))))
2433 ((string= ex-token-type "goto-mark")
2434 (save-excursion
2435 (if (null ex-token)
2436 (exchange-point-and-mark)
2437 (goto-char (register-to-point (- ex-token (- ?a ?\C-a)))))
2438 (setq address (point-marker)))))
2439 address))
2441 (defun ex-search-address (forward)
2442 "search pattern and set address"
2443 (if (string= ex-token "")
2444 (if (null vip-s-string) (error "No previous search string")
2445 (setq ex-token vip-s-string))
2446 (setq vip-s-string ex-token))
2447 (if forward
2448 (progn
2449 (forward-line 1)
2450 (re-search-forward ex-token))
2451 (forward-line -1)
2452 (re-search-backward ex-token)))
2454 (defun vip-get-ex-buffer ()
2455 "get a buffer name and set ex-count and ex-flag if found"
2456 (setq ex-buffer nil)
2457 (setq ex-count nil)
2458 (setq ex-flag nil)
2459 (with-current-buffer " *ex-working-space*"
2460 (skip-chars-forward " \t")
2461 (if (looking-at "[a-zA-Z]")
2462 (progn
2463 (setq ex-buffer (following-char))
2464 (forward-char 1)
2465 (skip-chars-forward " \t")))
2466 (if (looking-at "[0-9]")
2467 (progn
2468 (set-mark (point))
2469 (re-search-forward "[0-9][0-9]*")
2470 (setq ex-count (string-to-number (buffer-substring (point) (mark))))
2471 (skip-chars-forward " \t")))
2472 (if (looking-at "[pl#]")
2473 (progn
2474 (setq ex-flag t)
2475 (forward-char 1)))
2476 (if (not (looking-at "[\n|]"))
2477 (error "Invalid extra characters"))))
2479 (defun vip-get-ex-count ()
2480 (setq ex-variant nil
2481 ex-count nil
2482 ex-flag nil)
2483 (with-current-buffer " *ex-working-space*"
2484 (skip-chars-forward " \t")
2485 (if (looking-at "!")
2486 (progn
2487 (setq ex-variant t)
2488 (forward-char 1)))
2489 (skip-chars-forward " \t")
2490 (if (looking-at "[0-9]")
2491 (progn
2492 (set-mark (point))
2493 (re-search-forward "[0-9][0-9]*")
2494 (setq ex-count (string-to-number (buffer-substring (point) (mark))))
2495 (skip-chars-forward " \t")))
2496 (if (looking-at "[pl#]")
2497 (progn
2498 (setq ex-flag t)
2499 (forward-char 1)))
2500 (if (not (looking-at "[\n|]"))
2501 (error "Invalid extra characters"))))
2503 (defun vip-get-ex-file ()
2504 "get a file name and set ex-variant, ex-append and ex-offset if found"
2505 (setq ex-file nil
2506 ex-variant nil
2507 ex-append nil
2508 ex-offset nil)
2509 (with-current-buffer " *ex-working-space*"
2510 (skip-chars-forward " \t")
2511 (if (looking-at "!")
2512 (progn
2513 (setq ex-variant t)
2514 (forward-char 1)
2515 (skip-chars-forward " \t")))
2516 (if (looking-at ">>")
2517 (progn
2518 (setq ex-append t
2519 ex-variant t)
2520 (forward-char 2)
2521 (skip-chars-forward " \t")))
2522 (if (looking-at "+")
2523 (progn
2524 (forward-char 1)
2525 (set-mark (point))
2526 (re-search-forward "[ \t\n]")
2527 (backward-char 1)
2528 (setq ex-offset (buffer-substring (point) (mark)))
2529 (forward-char 1)
2530 (skip-chars-forward " \t")))
2531 (set-mark (point))
2532 (re-search-forward "[ \t\n]")
2533 (backward-char 1)
2534 (setq ex-file (buffer-substring (point) (mark)))))
2536 (defun vip-execute-ex-command ()
2537 "execute ex command using the value of addresses."
2538 (cond ((string= ex-token "goto") (ex-goto))
2539 ((string= ex-token "copy") (ex-copy nil))
2540 ((string= ex-token "delete") (ex-delete))
2541 ((string= ex-token "edit") (ex-edit))
2542 ((string= ex-token "file") (vip-info-on-file))
2543 ;((string= ex-token "global") (ex-global nil))
2544 ((string= ex-token "join") (ex-line "join"))
2545 ((string= ex-token "k") (ex-mark))
2546 ((string= ex-token "mark") (ex-mark))
2547 ((string= ex-token "map") (ex-map))
2548 ((string= ex-token "move") (ex-copy t))
2549 ((string= ex-token "put") (ex-put))
2550 ((string= ex-token "quit") (ex-quit))
2551 ((string= ex-token "read") (ex-read))
2552 ((string= ex-token "set") (ex-set))
2553 ((string= ex-token "shell") (ex-shell))
2554 ((string= ex-token "substitute") (ex-substitute))
2555 ((string= ex-token "stop") (suspend-emacs))
2556 ((string= ex-token "t") (ex-copy nil))
2557 ((string= ex-token "tag") (ex-tag))
2558 ((string= ex-token "undo") (vip-undo))
2559 ((string= ex-token "unmap") (ex-unmap))
2560 ;((string= ex-token "v") (ex-global t))
2561 ((string= ex-token "version") (vip-version))
2562 ((string= ex-token "visual") (ex-edit))
2563 ((string= ex-token "write") (ex-write nil))
2564 ((string= ex-token "wq") (ex-write t))
2565 ((string= ex-token "yank") (ex-yank))
2566 ((string= ex-token "!") (ex-command))
2567 ((string= ex-token "=") (ex-line-no))
2568 ((string= ex-token ">") (ex-line "right"))
2569 ((string= ex-token "<") (ex-line "left"))
2570 ((string= ex-token "&") (ex-substitute t))
2571 ((string= ex-token "~") (ex-substitute t t))
2572 ((or (string= ex-token "append")
2573 (string= ex-token "args")
2574 (string= ex-token "change")
2575 (string= ex-token "insert")
2576 (string= ex-token "open")
2578 (error "%s: no such command from VIP" ex-token))
2579 ((or (string= ex-token "abbreviate")
2580 (string= ex-token "list")
2581 (string= ex-token "next")
2582 (string= ex-token "print")
2583 (string= ex-token "preserve")
2584 (string= ex-token "recover")
2585 (string= ex-token "rewind")
2586 (string= ex-token "source")
2587 (string= ex-token "unabbreviate")
2588 (string= ex-token "xit")
2589 (string= ex-token "z")
2591 (error "%s: not implemented in VIP" ex-token))
2592 (t (error "%s: Not an editor command" ex-token))))
2594 (defun ex-goto ()
2595 "ex goto command"
2596 (if (null ex-addresses)
2597 (setq ex-addresses (cons (point) nil)))
2598 (push-mark (point))
2599 (goto-char (car ex-addresses))
2600 (beginning-of-line))
2602 (defun ex-copy (del-flag)
2603 "ex copy and move command. DEL-FLAG means delete."
2604 (vip-default-ex-addresses)
2605 (let ((address (vip-get-ex-address))
2606 (end (car ex-addresses)) (beg (car (cdr ex-addresses))))
2607 (goto-char end)
2608 (save-excursion
2609 (set-mark beg)
2610 (vip-enlarge-region (mark) (point))
2611 (if del-flag (kill-region (point) (mark))
2612 (copy-region-as-kill (point) (mark)))
2613 (if ex-flag
2614 (progn
2615 (with-output-to-temp-buffer "*copy text*"
2616 (princ
2617 (if (or del-flag ex-g-flag ex-g-variant)
2618 (current-kill 0)
2619 (buffer-substring (point) (mark)))))
2620 (condition-case nil
2621 (progn
2622 (vip-read-string "[Hit return to continue] ")
2623 (save-excursion (kill-buffer "*copy text*")))
2624 (quit
2625 (save-excursion (kill-buffer "*copy text*"))
2626 (signal 'quit nil))))))
2627 (if (= address 0)
2628 (goto-char (point-min))
2629 (goto-char address)
2630 (forward-line 1))
2631 (insert (current-kill 0))))
2633 (defun ex-delete ()
2634 "ex delete"
2635 (vip-default-ex-addresses)
2636 (vip-get-ex-buffer)
2637 (let ((end (car ex-addresses)) (beg (car (cdr ex-addresses))))
2638 (if (> beg end) (error "First address exceeds second"))
2639 (save-excursion
2640 (vip-enlarge-region beg end)
2641 (exchange-point-and-mark)
2642 (if ex-count
2643 (progn
2644 (set-mark (point))
2645 (forward-line (1- ex-count)))
2646 (set-mark end))
2647 (vip-enlarge-region (point) (mark))
2648 (if ex-flag
2649 ;; show text to be deleted and ask for confirmation
2650 (progn
2651 (with-output-to-temp-buffer " *delete text*"
2652 (princ (buffer-substring (point) (mark))))
2653 (condition-case conditions
2654 (vip-read-string "[Hit return to continue] ")
2655 (quit
2656 (save-excursion (kill-buffer " *delete text*"))
2657 (error "")))
2658 (save-excursion (kill-buffer " *delete text*")))
2659 (if ex-buffer
2660 (if (and (<= ?A ex-buffer) (<= ex-buffer ?Z))
2661 (vip-append-to-register
2662 (+ ex-buffer 32) (point) (mark))
2663 (copy-to-register ex-buffer (point) (mark) nil)))
2664 (delete-region (point) (mark))))))
2666 (defun ex-edit ()
2667 "ex-edit"
2668 (vip-get-ex-file)
2669 (if (and (not ex-variant) (buffer-modified-p) buffer-file-name)
2670 (error "No write since last change \(:e! overrides\)"))
2671 (vip-change-mode-to-emacs)
2672 (set-buffer
2673 (find-file-noselect (concat default-directory ex-file)))
2674 (vip-change-mode-to-vi)
2675 (goto-char (point-min))
2676 (if ex-offset
2677 (progn
2678 (with-current-buffer " *ex-working-space*"
2679 (delete-region (point-min) (point-max))
2680 (insert ex-offset "\n")
2681 (goto-char (point-min)))
2682 (goto-char (vip-get-ex-address))
2683 (beginning-of-line))))
2685 (defun ex-global (variant)
2686 "ex global command"
2687 (if (or ex-g-flag ex-g-variant)
2688 (error "Global within global not allowed")
2689 (if variant
2690 (setq ex-g-flag nil
2691 ex-g-variant t)
2692 (setq ex-g-flag t
2693 ex-g-variant nil)))
2694 (vip-get-ex-pat)
2695 (if (null ex-token)
2696 (error "Missing regular expression for global command"))
2697 (if (string= ex-token "")
2698 (if (null vip-s-string) (error "No previous search string")
2699 (setq ex-g-pat vip-s-string))
2700 (setq ex-g-pat ex-token
2701 vip-s-string ex-token))
2702 (if (null ex-addresses)
2703 (setq ex-addresses (list (point-max) (point-min))))
2704 (let ((marks nil) (mark-count 0)
2705 com-str (end (car ex-addresses)) (beg (car (cdr ex-addresses))))
2706 (if (> beg end) (error "First address exceeds second"))
2707 (save-excursion
2708 (vip-enlarge-region beg end)
2709 (exchange-point-and-mark)
2710 (let ((cont t) (limit (point-marker)))
2711 (exchange-point-and-mark)
2712 ;; skip the last line if empty
2713 (beginning-of-line)
2714 (if (and (eobp) (not (bobp))) (backward-char 1))
2715 (while (and cont (not (bobp)) (>= (point) limit))
2716 (beginning-of-line)
2717 (set-mark (point))
2718 (end-of-line)
2719 (let ((found (re-search-backward ex-g-pat (mark) t)))
2720 (if (or (and ex-g-flag found)
2721 (and ex-g-variant (not found)))
2722 (progn
2723 (end-of-line)
2724 (setq mark-count (1+ mark-count))
2725 (setq marks (cons (point-marker) marks)))))
2726 (beginning-of-line)
2727 (if (bobp) (setq cont nil)
2728 (forward-line -1)
2729 (end-of-line)))))
2730 (with-current-buffer " *ex-working-space*"
2731 (setq com-str (buffer-substring (1+ (point)) (1- (point-max)))))
2732 (while marks
2733 (goto-char (car marks))
2734 ;; report progress of execution on a slow machine.
2735 ;;(message "Executing global command...")
2736 ;;(if (zerop (% mark-count 10))
2737 ;; (message "Executing global command...%d" mark-count))
2738 (vip-ex com-str)
2739 (setq mark-count (1- mark-count))
2740 (setq marks (cdr marks)))))
2741 ;;(message "Executing global command...done")))
2743 (defun ex-line (com)
2744 "ex line commands. COM is join, shift-right or shift-left."
2745 (vip-default-ex-addresses)
2746 (vip-get-ex-count)
2747 (let ((end (car ex-addresses)) (beg (car (cdr ex-addresses))) point)
2748 (if (> beg end) (error "First address exceeds second"))
2749 (save-excursion
2750 (vip-enlarge-region beg end)
2751 (exchange-point-and-mark)
2752 (if ex-count
2753 (progn
2754 (set-mark (point))
2755 (forward-line ex-count)))
2756 (if ex-flag
2757 ;; show text to be joined and ask for confirmation
2758 (progn
2759 (with-output-to-temp-buffer " *text*"
2760 (princ (buffer-substring (point) (mark))))
2761 (condition-case conditions
2762 (progn
2763 (vip-read-string "[Hit return to continue] ")
2764 (ex-line-subr com (point) (mark)))
2765 (quit
2766 (ding)))
2767 (save-excursion (kill-buffer " *text*")))
2768 (ex-line-subr com (point) (mark)))
2769 (setq point (point)))
2770 (goto-char (1- point))
2771 (beginning-of-line)))
2773 (defun ex-line-subr (com beg end)
2774 (cond ((string= com "join")
2775 (goto-char (min beg end))
2776 (while (and (not (eobp)) (< (point) (max beg end)))
2777 (end-of-line)
2778 (if (and (<= (point) (max beg end)) (not (eobp)))
2779 (progn
2780 (forward-line 1)
2781 (delete-region (point) (1- (point)))
2782 (if (not ex-variant) (fixup-whitespace))))))
2783 ((or (string= com "right") (string= com "left"))
2784 (indent-rigidly
2785 (min beg end) (max beg end)
2786 (if (string= com "right") vip-shift-width (- vip-shift-width)))
2787 (goto-char (max beg end))
2788 (end-of-line)
2789 (forward-char 1))))
2791 (defun ex-mark ()
2792 "ex mark"
2793 (let (char)
2794 (if (null ex-addresses)
2795 (setq ex-addresses
2796 (cons (point) nil)))
2797 (with-current-buffer " *ex-working-space*"
2798 (skip-chars-forward " \t")
2799 (if (looking-at "[a-z]")
2800 (progn
2801 (setq char (following-char))
2802 (forward-char 1)
2803 (skip-chars-forward " \t")
2804 (if (not (looking-at "[\n|]"))
2805 (error "Extra characters at end of \"k\" command")))
2806 (if (looking-at "[\n|]")
2807 (error "\"k\" requires a following letter")
2808 (error "Mark must specify a letter"))))
2809 (save-excursion
2810 (goto-char (car ex-addresses))
2811 (point-to-register (- char (- ?a ?\C-a)) nil))))
2813 (defun ex-map ()
2814 "ex map"
2815 (let (char string)
2816 (with-current-buffer " *ex-working-space*"
2817 (skip-chars-forward " \t")
2818 (setq char (char-to-string (following-char)))
2819 (forward-char 1)
2820 (skip-chars-forward " \t")
2821 (if (looking-at "[\n|]") (error "Missing rhs"))
2822 (set-mark (point))
2823 (with-no-warnings
2824 (end-of-buffer))
2825 (backward-char 1)
2826 (setq string (buffer-substring (mark) (point))))
2827 (if (not (lookup-key ex-map char))
2828 (define-key ex-map char
2829 (or (lookup-key vip-mode-map char) 'vip-nil)))
2830 (define-key vip-mode-map char
2831 (eval
2832 (list 'quote
2833 (cons 'lambda
2834 (list '(count)
2835 '(interactive "p")
2836 (list 'execute-kbd-macro string 'count))))))))
2838 (defun ex-unmap ()
2839 "ex unmap"
2840 (let (char)
2841 (with-current-buffer " *ex-working-space*"
2842 (skip-chars-forward " \t")
2843 (setq char (char-to-string (following-char)))
2844 (forward-char 1)
2845 (skip-chars-forward " \t")
2846 (if (not (looking-at "[\n|]")) (error "Macro must be a character")))
2847 (if (not (lookup-key ex-map char))
2848 (error "That macro wasn't mapped"))
2849 (define-key vip-mode-map char (lookup-key ex-map char))
2850 (define-key ex-map char nil)))
2852 (defun ex-put ()
2853 "ex put"
2854 (let ((point (if (null ex-addresses) (point) (car ex-addresses))))
2855 (vip-get-ex-buffer)
2856 (setq vip-use-register ex-buffer)
2857 (goto-char point)
2858 (if (= point 0) (vip-Put-back 1) (vip-put-back 1))))
2860 (defun ex-quit ()
2861 "ex quit"
2862 (let (char)
2863 (with-current-buffer " *ex-working-space*"
2864 (skip-chars-forward " \t")
2865 (setq char (following-char)))
2866 (if (= char ?!) (kill-emacs t) (save-buffers-kill-emacs))))
2868 (defun ex-read ()
2869 "ex read"
2870 (let ((point (if (null ex-addresses) (point) (car ex-addresses)))
2871 (variant nil) command file)
2872 (goto-char point)
2873 (if (not (= point 0)) (with-no-warnings (next-line 1)))
2874 (beginning-of-line)
2875 (with-current-buffer " *ex-working-space*"
2876 (skip-chars-forward " \t")
2877 (if (looking-at "!")
2878 (progn
2879 (setq variant t)
2880 (forward-char 1)
2881 (skip-chars-forward " \t")
2882 (set-mark (point))
2883 (end-of-line)
2884 (setq command (buffer-substring (mark) (point))))
2885 (set-mark (point))
2886 (re-search-forward "[ \t\n]")
2887 (backward-char 1)
2888 (setq file (buffer-substring (point) (mark)))))
2889 (if variant
2890 (shell-command command t)
2891 (with-no-warnings
2892 (insert-file file)))))
2894 (defun ex-set ()
2895 (eval (list 'setq
2896 (read-variable "Variable: ")
2897 (eval (read-minibuffer "Value: ")))))
2899 (defun ex-shell ()
2900 "ex shell"
2901 (vip-change-mode-to-emacs)
2902 (shell))
2904 (defun ex-substitute (&optional repeat r-flag)
2905 "ex substitute.
2906 If REPEAT use previous reg-exp which is ex-reg-exp or
2907 vip-s-string"
2908 (let (pat repl (opt-g nil) (opt-c nil) (matched-pos nil))
2909 (if repeat (setq ex-token nil) (vip-get-ex-pat))
2910 (if (null ex-token)
2911 (setq pat (if r-flag vip-s-string ex-reg-exp)
2912 repl ex-repl)
2913 (setq pat (if (string= ex-token "") vip-s-string ex-token))
2914 (setq vip-s-string pat
2915 ex-reg-exp pat)
2916 (vip-get-ex-pat)
2917 (if (null ex-token)
2918 (setq ex-token ""
2919 ex-repl "")
2920 (setq repl ex-token
2921 ex-repl ex-token)))
2922 (while (vip-get-ex-opt-gc)
2923 (if (string= ex-token "g") (setq opt-g t) (setq opt-c t)))
2924 (vip-get-ex-count)
2925 (if ex-count
2926 (save-excursion
2927 (if ex-addresses (goto-char (car ex-addresses)))
2928 (set-mark (point))
2929 (forward-line (1- ex-count))
2930 (setq ex-addresses (cons (point) (cons (mark) nil))))
2931 (if (null ex-addresses)
2932 (setq ex-addresses (cons (point) (cons (point) nil)))
2933 (if (null (cdr ex-addresses))
2934 (setq ex-addresses (cons (car ex-addresses) ex-addresses)))))
2935 ;(setq G opt-g)
2936 (let ((beg (car ex-addresses)) (end (car (cdr ex-addresses)))
2937 (cont t) eol-mark)
2938 (save-excursion
2939 (vip-enlarge-region beg end)
2940 (let ((limit (save-excursion
2941 (goto-char (max (point) (mark)))
2942 (point-marker))))
2943 (goto-char (min (point) (mark)))
2944 (while (< (point) limit)
2945 (end-of-line)
2946 (setq eol-mark (point-marker))
2947 (beginning-of-line)
2948 (if opt-g
2949 (progn
2950 (while (and (not (eolp))
2951 (re-search-forward pat eol-mark t))
2952 (if (or (not opt-c) (y-or-n-p "Replace? "))
2953 (progn
2954 (setq matched-pos (point))
2955 (replace-match repl))))
2956 (end-of-line)
2957 (forward-char))
2958 (if (and (re-search-forward pat eol-mark t)
2959 (or (not opt-c) (y-or-n-p "Replace? ")))
2960 (progn
2961 (setq matched-pos (point))
2962 (replace-match repl)))
2963 (end-of-line)
2964 (forward-char))))))
2965 (if matched-pos (goto-char matched-pos))
2966 (beginning-of-line)
2967 (if opt-c (message "done"))))
2969 (defun ex-tag ()
2970 "ex tag"
2971 (let (tag)
2972 (with-current-buffer " *ex-working-space*"
2973 (skip-chars-forward " \t")
2974 (set-mark (point))
2975 (skip-chars-forward "^ |\t\n")
2976 (setq tag (buffer-substring (mark) (point))))
2977 (if (not (string= tag "")) (setq ex-tag tag))
2978 (vip-change-mode-to-emacs)
2979 (condition-case conditions
2980 (progn
2981 (if (string= tag "")
2982 (find-tag ex-tag t)
2983 (find-tag-other-window ex-tag))
2984 (vip-change-mode-to-vi))
2985 (error
2986 (vip-change-mode-to-vi)
2987 (vip-message-conditions conditions)))))
2989 (defun ex-write (q-flag)
2990 "ex write"
2991 (vip-default-ex-addresses t)
2992 (vip-get-ex-file)
2993 (if (string= ex-file "")
2994 (progn
2995 (if (null buffer-file-name)
2996 (error "No file associated with this buffer"))
2997 (setq ex-file buffer-file-name))
2998 (setq ex-file (expand-file-name ex-file)))
2999 (if (and (not (string= ex-file (buffer-file-name)))
3000 (file-exists-p ex-file)
3001 (not ex-variant))
3002 (error "\"%s\" File exists - use w! to override" ex-file))
3003 (let ((end (car ex-addresses)) (beg (car (cdr ex-addresses))))
3004 (if (> beg end) (error "First address exceeds second"))
3005 (save-excursion
3006 (vip-enlarge-region beg end)
3007 (write-region (point) (mark) ex-file ex-append t)))
3008 (if (null buffer-file-name) (setq buffer-file-name ex-file))
3009 (if q-flag (save-buffers-kill-emacs)))
3011 (defun ex-yank ()
3012 "ex yank"
3013 (vip-default-ex-addresses)
3014 (vip-get-ex-buffer)
3015 (let ((end (car ex-addresses)) (beg (car (cdr ex-addresses))))
3016 (if (> beg end) (error "First address exceeds second"))
3017 (save-excursion
3018 (vip-enlarge-region beg end)
3019 (exchange-point-and-mark)
3020 (if (or ex-g-flag ex-g-variant) (error "Can't yank within global"))
3021 (if ex-count
3022 (progn
3023 (set-mark (point))
3024 (forward-line (1- ex-count)))
3025 (set-mark end))
3026 (vip-enlarge-region (point) (mark))
3027 (if ex-flag (error "Extra characters at end of command"))
3028 (if ex-buffer
3029 (copy-to-register ex-buffer (point) (mark) nil))
3030 (copy-region-as-kill (point) (mark)))))
3032 (defun ex-command ()
3033 "execute shell command"
3034 (let (command)
3035 (with-current-buffer " *ex-working-space*"
3036 (skip-chars-forward " \t")
3037 (set-mark (point))
3038 (end-of-line)
3039 (setq command (buffer-substring (mark) (point))))
3040 (if (null ex-addresses)
3041 (shell-command command)
3042 (let ((end (car ex-addresses)) (beg (car (cdr ex-addresses))))
3043 (if (null beg) (setq beg end))
3044 (save-excursion
3045 (goto-char beg)
3046 (set-mark end)
3047 (vip-enlarge-region (point) (mark))
3048 (shell-command-on-region (point) (mark) command t t))
3049 (goto-char beg)))))
3051 (defun ex-line-no ()
3052 "print line number"
3053 (message "%d"
3054 (1+ (count-lines
3055 (point-min)
3056 (if (null ex-addresses) (point-max) (car ex-addresses))))))
3058 (if (file-exists-p vip-startup-file) (load vip-startup-file))
3060 (provide 'vip)
3062 ;;; vip.el ends here