HCoop / bpt / emacs.git / blame
| Commit | Line | Data |
|---|---|---|
| 52fa07ba | 1 | ;;; viper-ex.el --- functions implementing the Ex commands for Viper |
| be010748 | 2 | |
| 5fd6d89f | 3 | ;; Copyright (C) 1994, 1995, 1996, 1997, 1998, 2000, 2001, 2002, 2003, |
| 8b72699e | 4 | ;; 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc. |
| 6c2e12f4 | 5 | |
| 50a07e18 | 6 | ;; Author: Michael Kifer <kifer@cs.stonybrook.edu> |
| 02f34c70 | 7 | |
| 6c2e12f4 KH |
8 | ;; This file is part of GNU Emacs. |
| 9 | ||
| 10 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
| 11 | ;; it under the terms of the GNU General Public License as published by | |
| e0085d62 | 12 | ;; the Free Software Foundation; either version 3, or (at your option) |
| 6c2e12f4 KH |
13 | ;; any later version. |
| 14 | ||
| 15 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
| 16 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 17 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 18 | ;; GNU General Public License for more details. | |
| 19 | ||
| 20 | ;; You should have received a copy of the GNU General Public License | |
| 52fa07ba | 21 | ;; along with GNU Emacs; see the file COPYING. If not, write to the |
| 3a35cf56 LK |
22 | ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| 23 | ;; Boston, MA 02110-1301, USA. | |
| 6c2e12f4 | 24 | |
| 60370d40 PJ |
25 | ;;; Commentary: |
| 26 | ||
| 27 | ;;; Code: | |
| 03fc1246 | 28 | |
| 9b70a748 | 29 | (provide 'viper-ex) |
| 6c2e12f4 | 30 | |
| 03fc1246 | 31 | ;; Compiler pacifier |
| 52fa07ba | 32 | (defvar read-file-name-map) |
| 8626cfa2 MK |
33 | (defvar viper-use-register) |
| 34 | (defvar viper-s-string) | |
| 35 | (defvar viper-shift-width) | |
| 36 | (defvar viper-ex-history) | |
| 37 | (defvar viper-related-files-and-buffers-ring) | |
| 38 | (defvar viper-local-search-start-marker) | |
| 1e70790f | 39 | (defvar viper-expert-level) |
| 8626cfa2 MK |
40 | (defvar viper-custom-file-name) |
| 41 | (defvar viper-case-fold-search) | |
| e36a387d | 42 | (defvar explicit-shell-file-name) |
| 50a07e18 | 43 | (defvar compile-command) |
| 9b70a748 | 44 | |
| 726e270f MK |
45 | ;; loading happens only in non-interactive compilation |
| 46 | ;; in order to spare non-viperized emacs from being viperized | |
| 47 | (if noninteractive | |
| 48 | (eval-when-compile | |
| 2d84cc27 MK |
49 | (if (not (featurep 'viper-cmd)) |
| 50 | (require 'viper-cmd)) | |
| 2ee00512 | 51 | )) |
| 9b70a748 MK |
52 | ;; end pacifier |
| 53 | ||
| 54 | (require 'viper-util) | |
| 55 | ||
| 1e70790f | 56 | (defgroup viper-ex nil |
| 87c81c89 | 57 | "Viper support for Ex commands." |
| 1e70790f MK |
58 | :prefix "ex-" |
| 59 | :group 'viper) | |
| 60 | ||
| 61 | ||
| 03fc1246 | 62 | |
| 6c2e12f4 | 63 | ;;; Variables |
| bbe6126c | 64 | |
| 8626cfa2 | 65 | (defconst viper-ex-work-buf-name " *ex-working-space*") |
| e07ff078 | 66 | (defvar viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 8626cfa2 | 67 | (defconst viper-ex-tmp-buf-name " *ex-tmp*") |
| 241d963d | 68 | (defconst viper-ex-print-buf-name " *ex-print*") |
| e07ff078 | 69 | (defvar viper-ex-print-buf (get-buffer-create viper-ex-print-buf-name)) |
| 52fa07ba MK |
70 | |
| 71 | ||
| 4986c2c6 MK |
72 | ;;; ex-commands... |
| 73 | ||
| 74 | (defun ex-cmd-obsolete (name) | |
| 75 | (error "`%s': Obsolete command, not supported by Viper" name)) | |
| 76 | ||
| 77 | (defun ex-cmd-not-yet (name) | |
| 78 | (error "`%s': Command not implemented in Viper" name)) | |
| 79 | ||
| 80 | ;; alist entries: name (in any order), command, cont(??) | |
| 81 | ;; If command is a string, then that is an alias to the real command | |
| 82 | ;; to execute (for instance, ":m" -> ":move"). | |
| 83 | ;; command attributes: | |
| 84 | ;; is-mashed: the command's args may be jammed right up against the command | |
| 85 | ;; one-letter: this is a one-letter token. Any text appearing after | |
| 86 | ;; the name gets appended as an argument for the command | |
| 87 | ;; i.e. ":kabc" gets turned into (ex-mark "abc") | |
| 88 | (defconst ex-token-alist '( | |
| 89 | ("!" (ex-command)) | |
| 90 | ("&" (ex-substitute t)) | |
| 91 | ("=" (ex-line-no)) | |
| 92 | (">" (ex-line "right")) | |
| 93 | ("<" (ex-line "left")) | |
| 94 | ("Buffer" (if ex-cycle-other-window | |
| 95 | (viper-switch-to-buffer) | |
| 96 | (viper-switch-to-buffer-other-window))) | |
| 97 | ("Next" (ex-next (not ex-cycle-other-window))) | |
| 98 | ("PreviousRelatedFile" (ex-next-related-buffer -1)) | |
| 99 | ("RelatedFile" (ex-next-related-buffer 1)) | |
| 100 | ("W" "Write") | |
| 101 | ("WWrite" (save-some-buffers t)) | |
| 102 | ("Write" (save-some-buffers)) | |
| 103 | ("a" "append") | |
| 104 | ("args" (ex-args)) | |
| 105 | ("buffer" (if ex-cycle-other-window | |
| 106 | (viper-switch-to-buffer-other-window) | |
| 107 | (viper-switch-to-buffer))) | |
| 108 | ("c" "change") | |
| 109 | ;; ch should be "change" but maintain old viper compatibility | |
| 110 | ("ch" "chdir") | |
| 111 | ("cd" (ex-cd)) | |
| 112 | ("chdir" (ex-cd)) | |
| 113 | ("copy" (ex-copy nil)) | |
| 114 | ("customize" (customize-group "viper")) | |
| 115 | ("delete" (ex-delete)) | |
| 116 | ("edit" (ex-edit)) | |
| b9fe4732 | 117 | ("file" (ex-set-visited-file-name)) |
| 4986c2c6 MK |
118 | ("g" "global") |
| 119 | ("global" (ex-global nil) is-mashed) | |
| 120 | ("goto" (ex-goto)) | |
| 121 | ("help" (ex-help)) | |
| 122 | ("join" (ex-line "join")) | |
| 123 | ("k" (ex-mark) one-letter) | |
| 124 | ("kmark" (ex-mark)) | |
| 125 | ("m" "move") | |
| 4960e757 | 126 | ("make" (ex-compile)) |
| 4986c2c6 MK |
127 | ; old viper doesn't specify a default for "ma" so leave it undefined |
| 128 | ("map" (ex-map)) | |
| 129 | ("mark" (ex-mark)) | |
| 130 | ("move" (ex-copy t)) | |
| 131 | ("next" (ex-next ex-cycle-other-window)) | |
| 132 | ("p" "print") | |
| 133 | ("preserve" (ex-preserve)) | |
| 241d963d | 134 | ("print" (ex-print)) |
| 4986c2c6 MK |
135 | ("put" (ex-put)) |
| 136 | ("pwd" (ex-pwd)) | |
| 137 | ("quit" (ex-quit)) | |
| 138 | ("r" "read") | |
| 139 | ("re" "read") | |
| 140 | ("read" (ex-read)) | |
| 141 | ("recover" (ex-recover)) | |
| 142 | ("rewind" (ex-rewind)) | |
| 143 | ("s" "substitute") | |
| 144 | ("su" "substitute") | |
| 145 | ("sub" "substitute") | |
| 146 | ("set" (ex-set)) | |
| 147 | ("shell" (ex-shell)) | |
| 148 | ("source" (ex-source)) | |
| a1506d29 | 149 | ("stop" (suspend-emacs)) |
| 4986c2c6 MK |
150 | ("sr" (ex-substitute t t)) |
| 151 | ("submitReport" (viper-submit-report)) | |
| 152 | ("substitute" (ex-substitute) is-mashed) | |
| 153 | ("suspend" (suspend-emacs)) | |
| 154 | ("t" "transfer") | |
| 155 | ("tag" (ex-tag)) | |
| 156 | ("transfer" (ex-copy nil)) | |
| 157 | ("u" "undo") | |
| 158 | ("un" "undo") | |
| 159 | ("undo" (viper-undo)) | |
| 160 | ("unmap" (ex-unmap)) | |
| 161 | ("v" "vglobal") | |
| 162 | ("version" (viper-version)) | |
| 163 | ("vglobal" (ex-global t) is-mashed) | |
| a1506d29 | 164 | ("visual" (ex-edit)) |
| 4986c2c6 MK |
165 | ("w" "write") |
| 166 | ("wq" (ex-write t)) | |
| 167 | ("write" (ex-write nil)) | |
| 168 | ("xit" (ex-write t)) | |
| 169 | ("yank" (ex-yank)) | |
| 170 | ("~" (ex-substitute t t)) | |
| 171 | ||
| 172 | ("append" (ex-cmd-obsolete "append")) | |
| 173 | ("change" (ex-cmd-obsolete "change")) | |
| 174 | ("insert" (ex-cmd-obsolete "insert")) | |
| 175 | ("open" (ex-cmd-obsolete "open")) | |
| 176 | ||
| 177 | ("list" (ex-cmd-not-yet "list")) | |
| 4986c2c6 MK |
178 | ("z" (ex-cmd-not-yet "z")) |
| 179 | ("#" (ex-cmd-not-yet "#")) | |
| 180 | ||
| 181 | ("abbreviate" (error "`%s': Vi abbreviations are obsolete. Use the more powerful Emacs abbrevs" ex-token)) | |
| 182 | ("unabbreviate" (error "`%s': Vi abbreviations are obsolete. Use the more powerful Emacs abbrevs" ex-token)) | |
| 183 | )) | |
| 184 | ||
| 185 | ;; No code should touch anything in the alist entry! (other than the name, | |
| 186 | ;; "car entry", of course) This way, changing this data structure | |
| 187 | ;; requires changing only the following ex-cmd functions... | |
| 188 | ||
| 189 | ;; Returns cmd if the command may be jammed right up against its | |
| 190 | ;; arguments, nil if there must be a space. | |
| 191 | ;; examples of mashable commands: g// g!// v// s// sno// sm// | |
| 192 | (defun ex-cmd-is-mashed-with-args (cmd) | |
| 193 | (if (eq 'is-mashed (car (nthcdr 2 cmd))) cmd)) | |
| 194 | ||
| 195 | ;; Returns true if this is a one-letter command that may be followed | |
| 196 | ;; by anything, no whitespace needed. This is a special-case for ":k". | |
| 197 | (defun ex-cmd-is-one-letter (cmd) | |
| 198 | (if (eq 'one-letter (car (nthcdr 2 cmd))) cmd)) | |
| 199 | ||
| 200 | ;; Executes the function associated with the command | |
| 201 | (defun ex-cmd-execute (cmd) | |
| 202 | (eval (cadr cmd))) | |
| 203 | ||
| 204 | ;; If this is a one-letter magic command, splice in args. | |
| 205 | (defun ex-splice-args-in-1-letr-cmd (key list) | |
| 83f49acb MK |
206 | (let ((oneletter (ex-cmd-is-one-letter (assoc (substring key 0 1) list)))) |
| 207 | (if oneletter | |
| 4986c2c6 | 208 | (list key |
| 83f49acb | 209 | (append (cadr oneletter) |
| 4986c2c6 | 210 | (if (< 1 (length key)) (list (substring key 1)))) |
| 83f49acb | 211 | (car (cdr (cdr oneletter))) )) |
| 4986c2c6 MK |
212 | )) |
| 213 | ||
| 214 | ||
| 215 | ;; Returns the alist entry for the appropriate key. | |
| 216 | ;; Tries to complete the key before using it in the alist. | |
| 217 | ;; If there is no appropriate key (no match or duplicate matches) return nil | |
| 218 | (defun ex-cmd-assoc (key list) | |
| 219 | (let ((entry (try-completion key list)) | |
| 4960e757 | 220 | result) |
| 4986c2c6 MK |
221 | (setq result (cond |
| 222 | ((eq entry t) (assoc key list)) | |
| 223 | ((stringp entry) (or (ex-splice-args-in-1-letr-cmd key list) | |
| 224 | (assoc entry list))) | |
| 225 | ((eq entry nil) (ex-splice-args-in-1-letr-cmd key list)) | |
| 226 | (t nil) | |
| 227 | )) | |
| 228 | ;; If we end up with an alias, look up the alias... | |
| 229 | (if (stringp (cadr result)) | |
| 230 | (setq result (ex-cmd-assoc (cadr result) list))) | |
| 231 | ;; and return the corresponding alist entry | |
| 232 | result | |
| 233 | )) | |
| 234 | ||
| 52fa07ba MK |
235 | |
| 236 | ;; A-list of Ex variables that can be set using the :set command. | |
| a1506d29 | 237 | (defconst ex-variable-alist |
| 52fa07ba | 238 | '(("wrapscan") ("ws") ("wrapmargin") ("wm") |
| e36a387d | 239 | ("tabstop-global") ("ts-g") ("tabstop") ("ts") |
| 52fa07ba | 240 | ("showmatch") ("sm") ("shiftwidth") ("sw") ("shell") ("sh") |
| a1506d29 | 241 | ("readonly") ("ro") |
| 52fa07ba MK |
242 | ("nowrapscan") ("nows") ("noshowmatch") ("nosm") |
| 243 | ("noreadonly") ("noro") ("nomagic") ("noma") | |
| 244 | ("noignorecase") ("noic") | |
| e36a387d | 245 | ("noautoindent-global") ("noai-g") ("noautoindent") ("noai") |
| 52fa07ba | 246 | ("magic") ("ma") ("ignorecase") ("ic") |
| a1506d29 JB |
247 | ("autoindent-global") ("ai-g") ("autoindent") ("ai") |
| 248 | ("all") | |
| 52fa07ba | 249 | )) |
| bbe6126c | 250 | |
| a1506d29 | 251 | |
| bbe6126c | 252 | |
| 52fa07ba MK |
253 | ;; Token recognized during parsing of Ex commands (e.g., "read", "comma") |
| 254 | (defvar ex-token nil) | |
| 255 | ||
| a1506d29 | 256 | ;; Type of token. |
| 52fa07ba MK |
257 | ;; If non-nil, gives type of address; if nil, it is a command. |
| 258 | (defvar ex-token-type nil) | |
| 259 | ||
| 260 | ;; List of addresses passed to Ex command | |
| 261 | (defvar ex-addresses nil) | |
| 262 | ||
| 8e41a31c | 263 | ;; This flag is supposed to be set only by `#', `print', and `list', |
| 3af0304a MK |
264 | ;; none of which is implemented. So, it and the pices of the code it |
| 265 | ;; controls are dead weight. We keep it just in case this might be | |
| 8e41a31c | 266 | ;; needed in the future. |
| 52fa07ba MK |
267 | (defvar ex-flag nil) |
| 268 | ||
| 269 | ;; "buffer" where Ex commands keep deleted data. | |
| 270 | ;; In Emacs terms, this is a register. | |
| 271 | (defvar ex-buffer nil) | |
| 272 | ||
| 273 | ;; Value of ex count. | |
| 274 | (defvar ex-count nil) | |
| 275 | ||
| 1e70790f | 276 | ;; Flag indicating that :global Ex command is being executed. |
| 52fa07ba | 277 | (defvar ex-g-flag nil) |
| 1e70790f | 278 | ;; Flag indicating that :vglobal Ex command is being executed. |
| 52fa07ba | 279 | (defvar ex-g-variant nil) |
| 241d963d MK |
280 | ;; Marks to operate on during a :global Ex command. |
| 281 | (defvar ex-g-marks nil) | |
| 52fa07ba MK |
282 | |
| 283 | ;; Save reg-exp used in substitute. | |
| 284 | (defvar ex-reg-exp nil) | |
| 285 | ||
| 286 | ||
| 287 | ;; Replace pattern for substitute. | |
| 288 | (defvar ex-repl nil) | |
| 289 | ||
| 290 | ;; Pattern for global command. | |
| 291 | (defvar ex-g-pat nil) | |
| 292 | ||
| 1e70790f | 293 | (defcustom ex-unix-type-shell |
| 52fa07ba MK |
294 | (let ((case-fold-search t)) |
| 295 | (and (stringp shell-file-name) | |
| 296 | (string-match | |
| 297 | (concat | |
| 298 | "\\(" | |
| 299 | "csh$\\|csh.exe$" | |
| 300 | "\\|" | |
| 301 | "ksh$\\|ksh.exe$" | |
| 302 | "\\|" | |
| 303 | "^sh$\\|sh.exe$" | |
| 304 | "\\|" | |
| 305 | "[^a-z]sh$\\|[^a-z]sh.exe$" | |
| 306 | "\\|" | |
| 307 | "bash$\\|bash.exe$" | |
| 308 | "\\)") | |
| 309 | shell-file-name))) | |
| 1e70790f | 310 | "Is the user using a unix-type shell under a non-OS?" |
| 5ee3742d | 311 | :type 'boolean |
| 1e70790f | 312 | :group 'viper-ex) |
| 52fa07ba | 313 | |
| 1e70790f | 314 | (defcustom ex-unix-type-shell-options |
| 52fa07ba MK |
315 | (let ((case-fold-search t)) |
| 316 | (if ex-unix-type-shell | |
| 317 | (cond ((string-match "\\(csh$\\|csh.exe$\\)" shell-file-name) | |
| 318 | "-f") ; csh: do it fast | |
| 319 | ((string-match "\\(bash$\\|bash.exe$\\)" shell-file-name) | |
| 320 | "-noprofile") ; bash: ignore .profile | |
| 321 | ))) | |
| a1506d29 | 322 | "Options to pass to the Unix-style shell. |
| 1e70790f | 323 | Don't put `-c' here, as it is added automatically." |
| ee6a3436 | 324 | :type '(choice (const nil) string) |
| 1e70790f | 325 | :group 'viper-ex) |
| 52fa07ba | 326 | |
| 4960e757 | 327 | (defcustom ex-compile-command "make" |
| c760d040 | 328 | "The command to run when the user types :make." |
| 4960e757 MK |
329 | :type 'string |
| 330 | :group 'viper-ex) | |
| 331 | ||
| 3af0304a MK |
332 | (defcustom viper-glob-function |
| 333 | (cond (ex-unix-type-shell 'viper-glob-unix-files) | |
| 334 | ((eq system-type 'emx) 'viper-glob-mswindows-files) ; OS/2 | |
| 335 | (viper-ms-style-os-p 'viper-glob-mswindows-files) ; Microsoft OS | |
| 336 | (viper-vms-os-p 'viper-glob-unix-files) ; VMS | |
| 337 | (t 'viper-glob-unix-files) ; presumably UNIX | |
| 338 | ) | |
| 339 | "Expand the file spec containing wildcard symbols. | |
| 340 | The default tries to set this variable to work with Unix, Windows, | |
| 341 | OS/2, and VMS. | |
| 342 | ||
| a1506d29 | 343 | However, if it doesn't work right for some types of Unix shells or some OS, |
| 3af0304a MK |
344 | the user should supply the appropriate function and set this variable to the |
| 345 | corresponding function symbol." | |
| 346 | :type 'symbol | |
| 347 | :group 'viper-ex) | |
| 348 | ||
| bbe6126c | 349 | |
| 52fa07ba MK |
350 | ;; Remembers the previous Ex tag. |
| 351 | (defvar ex-tag nil) | |
| bbe6126c | 352 | |
| 52fa07ba MK |
353 | ;; file used by Ex commands like :r, :w, :n |
| 354 | (defvar ex-file nil) | |
| bbe6126c | 355 | |
| 52fa07ba MK |
356 | ;; If t, tells Ex that this is a variant-command, i.e., w>>, r!, etc. |
| 357 | (defvar ex-variant nil) | |
| bbe6126c | 358 | |
| 52fa07ba MK |
359 | ;; Specified the offset of an Ex command, such as :read. |
| 360 | (defvar ex-offset nil) | |
| bbe6126c | 361 | |
| 52fa07ba MK |
362 | ;; Tells Ex that this is a w>> command. |
| 363 | (defvar ex-append nil) | |
| bbe6126c | 364 | |
| 52fa07ba MK |
365 | ;; File containing the shell command to be executed at Ex prompt, |
| 366 | ;; e.g., :r !date | |
| 367 | (defvar ex-cmdfile nil) | |
| 328b4b70 | 368 | (defvar ex-cmdfile-args "") |
| a1506d29 | 369 | |
| 8626cfa2 | 370 | ;; flag used in viper-ex-read-file-name to indicate that we may be reading |
| 3af0304a | 371 | ;; multiple file names. Used for :edit and :next |
| 8626cfa2 | 372 | (defvar viper-keep-reading-filename nil) |
| bbe6126c | 373 | |
| 1e70790f | 374 | (defcustom ex-cycle-other-window t |
| 52fa07ba | 375 | "*If t, :n and :b cycles through files and buffers in other window. |
| 3af0304a | 376 | Then :N and :B cycles in the current window. If nil, this behavior is |
| 1e70790f MK |
377 | reversed." |
| 378 | :type 'boolean | |
| 379 | :group 'viper-ex) | |
| bbe6126c | 380 | |
| 1e70790f MK |
381 | (defcustom ex-cycle-through-non-files nil |
| 382 | "*Cycle through *scratch* and other buffers that don't visit any file." | |
| 383 | :type 'boolean | |
| 384 | :group 'viper-ex) | |
| bbe6126c | 385 | |
| 52fa07ba | 386 | ;; Last shell command executed with :! command. |
| 8626cfa2 | 387 | (defvar viper-ex-last-shell-com nil) |
| a1506d29 | 388 | |
| 52fa07ba | 389 | ;; Indicates if Minibuffer was exited temporarily in Ex-command. |
| 8626cfa2 | 390 | (defvar viper-incomplete-ex-cmd nil) |
| a1506d29 | 391 | |
| 52fa07ba | 392 | ;; Remembers the last ex-command prompt. |
| 8626cfa2 | 393 | (defvar viper-last-ex-prompt "") |
| bbe6126c | 394 | |
| bbe6126c | 395 | |
| 52fa07ba | 396 | ;; Get a complete ex command |
| 8626cfa2 | 397 | (defun viper-get-ex-com-subr () |
| 4986c2c6 | 398 | (let (cmd case-fold-search) |
| 52fa07ba MK |
399 | (set-mark (point)) |
| 400 | (re-search-forward "[a-zA-Z][a-zA-Z]*") | |
| 401 | (setq ex-token-type 'command) | |
| 402 | (setq ex-token (buffer-substring (point) (mark t))) | |
| 4986c2c6 MK |
403 | (setq cmd (ex-cmd-assoc ex-token ex-token-alist)) |
| 404 | (if cmd | |
| 405 | (setq ex-token (car cmd)) | |
| 406 | (setq ex-token-type 'non-command)) | |
| 52fa07ba | 407 | )) |
| bbe6126c | 408 | |
| 52fa07ba MK |
409 | ;; Get an ex-token which is either an address or a command. |
| 410 | ;; A token has a type, \(command, address, end-mark\), and a value | |
| 8626cfa2 | 411 | (defun viper-get-ex-token () |
| 52fa07ba | 412 | (save-window-excursion |
| a1506d29 | 413 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 8626cfa2 | 414 | (set-buffer viper-ex-work-buf) |
| 52fa07ba | 415 | (skip-chars-forward " \t|") |
| 96dffd25 MK |
416 | (let ((case-fold-search t)) |
| 417 | (cond ((looking-at "#") | |
| 418 | (setq ex-token-type 'command) | |
| 419 | (setq ex-token (char-to-string (following-char))) | |
| 420 | (forward-char 1)) | |
| 421 | ((looking-at "[a-z]") (viper-get-ex-com-subr)) | |
| 422 | ((looking-at "\\.") | |
| 423 | (forward-char 1) | |
| 424 | (setq ex-token-type 'dot)) | |
| 425 | ((looking-at "[0-9]") | |
| 426 | (set-mark (point)) | |
| 427 | (re-search-forward "[0-9]*") | |
| 428 | (setq ex-token-type | |
| 429 | (cond ((eq ex-token-type 'plus) 'add-number) | |
| 430 | ((eq ex-token-type 'minus) 'sub-number) | |
| 431 | (t 'abs-number))) | |
| 432 | (setq ex-token | |
| 027a4b6b | 433 | (string-to-number (buffer-substring (point) (mark t))))) |
| 96dffd25 MK |
434 | ((looking-at "\\$") |
| 435 | (forward-char 1) | |
| 436 | (setq ex-token-type 'end)) | |
| 437 | ((looking-at "%") | |
| 438 | (forward-char 1) | |
| 439 | (setq ex-token-type 'whole)) | |
| 440 | ((looking-at "+") | |
| 441 | (cond ((or (looking-at "+[-+]") (looking-at "+[\n|]")) | |
| 442 | (forward-char 1) | |
| 443 | (insert "1") | |
| 444 | (backward-char 1) | |
| 52fa07ba | 445 | (setq ex-token-type 'plus)) |
| 96dffd25 MK |
446 | ((looking-at "+[0-9]") |
| 447 | (forward-char 1) | |
| 448 | (setq ex-token-type 'plus)) | |
| 449 | (t | |
| 450 | (error viper-BadAddress)))) | |
| 451 | ((looking-at "-") | |
| 452 | (cond ((or (looking-at "-[-+]") (looking-at "-[\n|]")) | |
| 453 | (forward-char 1) | |
| 454 | (insert "1") | |
| 455 | (backward-char 1) | |
| 456 | (setq ex-token-type 'minus)) | |
| 457 | ((looking-at "-[0-9]") | |
| 458 | (forward-char 1) | |
| 459 | (setq ex-token-type 'minus)) | |
| 460 | (t | |
| 461 | (error viper-BadAddress)))) | |
| 462 | ((looking-at "/") | |
| 463 | (forward-char 1) | |
| 464 | (set-mark (point)) | |
| 465 | (let ((cont t)) | |
| 466 | (while (and (not (eolp)) cont) | |
| 467 | ;;(re-search-forward "[^/]*/") | |
| 468 | (re-search-forward "[^/]*\\(/\\|\n\\)") | |
| 469 | (if (not (viper-looking-back "[^\\\\]\\(\\\\\\\\\\)*\\\\/")) | |
| 470 | (setq cont nil)))) | |
| 471 | (backward-char 1) | |
| 472 | (setq ex-token (buffer-substring (point) (mark t))) | |
| 473 | (if (looking-at "/") (forward-char 1)) | |
| 474 | (setq ex-token-type 'search-forward)) | |
| 475 | ((looking-at "\\?") | |
| 476 | (forward-char 1) | |
| 477 | (set-mark (point)) | |
| 478 | (let ((cont t)) | |
| 479 | (while (and (not (eolp)) cont) | |
| 480 | ;;(re-search-forward "[^\\?]*\\?") | |
| 481 | (re-search-forward "[^\\?]*\\(\\?\\|\n\\)") | |
| 482 | (if (not (viper-looking-back "[^\\\\]\\(\\\\\\\\\\)*\\\\\\?")) | |
| 483 | (setq cont nil)) | |
| 484 | (backward-char 1) | |
| 485 | (if (not (looking-at "\n")) (forward-char 1)))) | |
| 486 | (setq ex-token-type 'search-backward) | |
| 487 | (setq ex-token (buffer-substring (1- (point)) (mark t)))) | |
| 488 | ((looking-at ",") | |
| 489 | (forward-char 1) | |
| 490 | (setq ex-token-type 'comma)) | |
| 491 | ((looking-at ";") | |
| 492 | (forward-char 1) | |
| 493 | (setq ex-token-type 'semi-colon)) | |
| 494 | ((looking-at "[!=><&~]") | |
| 495 | (setq ex-token-type 'command) | |
| 496 | (setq ex-token (char-to-string (following-char))) | |
| 497 | (forward-char 1)) | |
| 498 | ((looking-at "'") | |
| 499 | (setq ex-token-type 'goto-mark) | |
| 500 | (forward-char 1) | |
| 501 | (cond ((looking-at "'") (setq ex-token nil)) | |
| 502 | ((looking-at "[a-z]") (setq ex-token (following-char))) | |
| 503 | (t (error "Marks are ' and a-z"))) | |
| 504 | (forward-char 1)) | |
| 505 | ((looking-at "\n") | |
| 506 | (setq ex-token-type 'end-mark) | |
| 507 | (setq ex-token "goto")) | |
| 508 | (t | |
| 509 | (error viper-BadExCommand)))))) | |
| bbe6126c | 510 | |
| 3af0304a MK |
511 | ;; Reads Ex command. Tries to determine if it has to exit because command |
| 512 | ;; is complete or invalid. If not, keeps reading command. | |
| 52fa07ba MK |
513 | (defun ex-cmd-read-exit () |
| 514 | (interactive) | |
| 8626cfa2 | 515 | (setq viper-incomplete-ex-cmd t) |
| 52fa07ba MK |
516 | (let ((quit-regex1 (concat |
| 517 | "\\(" "set[ \t]*" | |
| 518 | "\\|" "edit[ \t]*" | |
| 519 | "\\|" "[nN]ext[ \t]*" | |
| 520 | "\\|" "unm[ \t]*" | |
| 521 | "\\|" "^[ \t]*rep" | |
| 522 | "\\)")) | |
| 523 | (quit-regex2 (concat | |
| 524 | "[a-zA-Z][ \t]*" | |
| 525 | "\\(" "!" "\\|" ">>" | |
| 526 | "\\|" "\\+[0-9]+" | |
| 527 | "\\)" | |
| 528 | "*[ \t]*$")) | |
| 529 | (stay-regex (concat | |
| 530 | "\\(" "^[ \t]*$" | |
| 1e70790f | 531 | "\\|" "[?/].*" |
| 52fa07ba MK |
532 | "\\|" "[ktgjmsz][ \t]*$" |
| 533 | "\\|" "^[ \t]*ab.*" | |
| 534 | "\\|" "tr[ansfer \t]*" | |
| 535 | "\\|" "sr[ \t]*" | |
| 536 | "\\|" "mo.*" | |
| 537 | "\\|" "^[ \t]*k?ma[^p]*" | |
| 538 | "\\|" "^[ \t]*fi.*" | |
| 539 | "\\|" "v?gl.*" | |
| 540 | "\\|" "[vg][ \t]*$" | |
| 541 | "\\|" "jo.*" | |
| 542 | "\\|" "^[ \t]*ta.*" | |
| 543 | "\\|" "^[ \t]*una.*" | |
| 2eb4bdca MK |
544 | ;; don't jump up in :s command |
| 545 | "\\|" "^[ \t]*\\([`'][a-z]\\|[.,%]\\)*[ \t]*su.*" | |
| 546 | "\\|" "^[ \t]*\\([`'][a-z]\\|[.,%]\\)*[ \t]*s[^a-z].*" | |
| 328b4b70 MK |
547 | "\\|" "['`][a-z][ \t]*" |
| 548 | ;; r! assumes that the next one is a shell command | |
| 549 | "\\|" "\\(r\\|re\\|rea\\|read\\)[ \t]*!" | |
| 550 | ;; w ! assumes that the next one is a shell command | |
| 551 | "\\|" "\\(w\\|wr\\|wri\\|writ.?\\)[ \t]+!" | |
| 52fa07ba MK |
552 | "\\|" "![ \t]*[a-zA-Z].*" |
| 553 | "\\)" | |
| 554 | "!*"))) | |
| a1506d29 | 555 | |
| 52fa07ba | 556 | (save-window-excursion ;; put cursor at the end of the Ex working buffer |
| a1506d29 | 557 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 8626cfa2 | 558 | (set-buffer viper-ex-work-buf) |
| 52fa07ba | 559 | (goto-char (point-max))) |
| 8626cfa2 MK |
560 | (cond ((viper-looking-back quit-regex1) (exit-minibuffer)) |
| 561 | ((viper-looking-back stay-regex) (insert " ")) | |
| 562 | ((viper-looking-back quit-regex2) (exit-minibuffer)) | |
| 52fa07ba | 563 | (t (insert " "))))) |
| a1506d29 | 564 | |
| 52fa07ba MK |
565 | ;; complete Ex command |
| 566 | (defun ex-cmd-complete () | |
| 567 | (interactive) | |
| 568 | (let (save-pos dist compl-list string-to-complete completion-result) | |
| a1506d29 | 569 | |
| 52fa07ba MK |
570 | (save-excursion |
| 571 | (setq dist (skip-chars-backward "[a-zA-Z!=>&~]") | |
| 572 | save-pos (point))) | |
| a1506d29 | 573 | |
| 52fa07ba | 574 | (if (or (= dist 0) |
| 8626cfa2 MK |
575 | (viper-looking-back "\\([ \t]*['`][ \t]*[a-z]*\\)") |
| 576 | (viper-looking-back | |
| 3af0304a | 577 | "^[ \t]*[a-zA-Z!=>&~][ \t]*[/?]*[ \t]+[a-zA-Z!=>&~]+")) |
| 52fa07ba MK |
578 | ;; Preceding characters are not the ones allowed in an Ex command |
| 579 | ;; or we have typed past command name. | |
| 3af0304a | 580 | ;; Note: we didn't do parsing, so there can be surprises. |
| 8626cfa2 MK |
581 | (if (or (viper-looking-back "[a-zA-Z!=>&~][ \t]*[/?]*[ \t]*") |
| 582 | (viper-looking-back "\\([ \t]*['`][ \t]*[a-z]*\\)") | |
| 52fa07ba MK |
583 | (looking-at "[^ \t\n\C-m]")) |
| 584 | nil | |
| a1506d29 | 585 | (with-output-to-temp-buffer "*Completions*" |
| 52fa07ba | 586 | (display-completion-list |
| 8626cfa2 | 587 | (viper-alist-to-list ex-token-alist)))) |
| 52fa07ba MK |
588 | ;; Preceding chars may be part of a command name |
| 589 | (setq string-to-complete (buffer-substring save-pos (point))) | |
| 590 | (setq completion-result | |
| 591 | (try-completion string-to-complete ex-token-alist)) | |
| a1506d29 | 592 | |
| 52fa07ba | 593 | (cond ((eq completion-result t) ; exact match--do nothing |
| 8626cfa2 | 594 | (viper-tmp-insert-at-eob " (Sole completion)")) |
| 52fa07ba | 595 | ((eq completion-result nil) |
| 8626cfa2 | 596 | (viper-tmp-insert-at-eob " (No match)")) |
| 52fa07ba MK |
597 | (t ;; partial completion |
| 598 | (goto-char save-pos) | |
| 599 | (delete-region (point) (point-max)) | |
| 600 | (insert completion-result) | |
| 601 | (let (case-fold-search) | |
| 602 | (setq compl-list | |
| 8626cfa2 | 603 | (viper-filter-alist (concat "^" completion-result) |
| 52fa07ba MK |
604 | ex-token-alist))) |
| 605 | (if (> (length compl-list) 1) | |
| a1506d29 | 606 | (with-output-to-temp-buffer "*Completions*" |
| 52fa07ba | 607 | (display-completion-list |
| 8626cfa2 | 608 | (viper-alist-to-list (reverse compl-list))))))) |
| 52fa07ba | 609 | ))) |
| bbe6126c | 610 | |
| a1506d29 JB |
611 | |
| 612 | ;; Read Ex commands | |
| 3af0304a MK |
613 | ;; ARG is a prefix argument. If given, the ex command runs on the region |
| 614 | ;;(without the user having to specify the address :a,b | |
| 615 | ;; STRING is the command to execute. If nil, then Viper asks you to enter the | |
| a1506d29 | 616 | ;; command. |
| c004db97 MK |
617 | (defun viper-ex (arg &optional string) |
| 618 | (interactive "P") | |
| 52fa07ba MK |
619 | (or string |
| 620 | (setq ex-g-flag nil | |
| 621 | ex-g-variant nil)) | |
| 622 | (let* ((map (copy-keymap minibuffer-local-map)) | |
| 623 | (address nil) | |
| 624 | (cont t) | |
| 625 | (dot (point)) | |
| c004db97 MK |
626 | reg-beg-line reg-end-line |
| 627 | reg-beg reg-end | |
| 628 | initial-str | |
| 52fa07ba | 629 | prev-token-type com-str) |
| 8626cfa2 | 630 | (viper-add-keymap viper-ex-cmd-map map) |
| c004db97 MK |
631 | |
| 632 | (if arg | |
| 633 | (progn | |
| 634 | (viper-enlarge-region (mark t) (point)) | |
| 635 | (if (> (point) (mark t)) | |
| 636 | (setq reg-beg (mark t) | |
| 637 | reg-end (point)) | |
| 638 | (setq reg-end (mark t) | |
| 639 | reg-beg (point))) | |
| 640 | (save-excursion | |
| 641 | (goto-char reg-beg) | |
| 642 | (setq reg-beg-line (1+ (count-lines (point-min) (point))) | |
| 643 | reg-end-line | |
| 644 | (+ reg-beg-line (count-lines reg-beg reg-end) -1))))) | |
| 645 | (if reg-beg-line | |
| 646 | (setq initial-str (format "%d,%d" reg-beg-line reg-end-line))) | |
| a1506d29 JB |
647 | |
| 648 | (setq com-str | |
| 33468a59 MK |
649 | (if string |
| 650 | (concat initial-str string) | |
| 651 | (viper-read-string-with-history | |
| 652 | ":" | |
| 653 | initial-str | |
| 654 | 'viper-ex-history | |
| 655 | ;; no default when working on region | |
| 656 | (if initial-str | |
| 657 | nil | |
| 658 | (car viper-ex-history)) | |
| 659 | map | |
| 660 | (if initial-str | |
| 661 | " [Type command to execute on current region]")))) | |
| 52fa07ba MK |
662 | (save-window-excursion |
| 663 | ;; just a precaution | |
| a1506d29 | 664 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 8626cfa2 | 665 | (set-buffer viper-ex-work-buf) |
| 52fa07ba MK |
666 | (delete-region (point-min) (point-max)) |
| 667 | (insert com-str "\n") | |
| 668 | (goto-char (point-min))) | |
| 669 | (setq ex-token-type nil | |
| 670 | ex-addresses nil) | |
| 671 | (while cont | |
| 8626cfa2 | 672 | (viper-get-ex-token) |
| 52fa07ba MK |
673 | (cond ((memq ex-token-type '(command end-mark)) |
| 674 | (if address (setq ex-addresses (cons address ex-addresses))) | |
| 4986c2c6 MK |
675 | (viper-deactivate-mark) |
| 676 | (let ((cmd (ex-cmd-assoc ex-token ex-token-alist))) | |
| 677 | (if (null cmd) | |
| 678 | (error "`%s': %s" ex-token viper-BadExCommand)) | |
| 679 | (ex-cmd-execute cmd) | |
| 680 | (if (or (ex-cmd-is-mashed-with-args cmd) | |
| 681 | (ex-cmd-is-one-letter cmd)) | |
| 682 | (setq cont nil) | |
| 683 | (save-excursion | |
| 684 | (save-window-excursion | |
| 685 | (setq viper-ex-work-buf | |
| 686 | (get-buffer-create viper-ex-work-buf-name)) | |
| 687 | (set-buffer viper-ex-work-buf) | |
| 688 | (skip-chars-forward " \t") | |
| 689 | (cond ((looking-at "|") | |
| 690 | (forward-char 1)) | |
| 691 | ((looking-at "\n") | |
| 692 | (setq cont nil)) | |
| 693 | (t (error | |
| 694 | "`%s': %s" ex-token viper-SpuriousText))) | |
| 695 | ))) | |
| 696 | )) | |
| 52fa07ba | 697 | ((eq ex-token-type 'non-command) |
| 8626cfa2 | 698 | (error "`%s': %s" ex-token viper-BadExCommand)) |
| 52fa07ba MK |
699 | ((eq ex-token-type 'whole) |
| 700 | (setq address nil) | |
| 701 | (setq ex-addresses | |
| 702 | (if ex-addresses | |
| 703 | (cons (point-max) ex-addresses) | |
| 704 | (cons (point-max) (cons (point-min) ex-addresses))))) | |
| 705 | ((eq ex-token-type 'comma) | |
| 706 | (if (eq prev-token-type 'whole) | |
| 707 | (setq address (point-min))) | |
| 708 | (setq ex-addresses | |
| 709 | (cons (if (null address) (point) address) ex-addresses))) | |
| 710 | ((eq ex-token-type 'semi-colon) | |
| 711 | (if (eq prev-token-type 'whole) | |
| 712 | (setq address (point-min))) | |
| 713 | (if address (setq dot address)) | |
| 714 | (setq ex-addresses | |
| 715 | (cons (if (null address) (point) address) ex-addresses))) | |
| 8626cfa2 | 716 | (t (let ((ans (viper-get-ex-address-subr address dot))) |
| 52fa07ba MK |
717 | (if ans (setq address ans))))) |
| 718 | (setq prev-token-type ex-token-type)))) | |
| a1506d29 | 719 | |
| bbe6126c | 720 | |
| 52fa07ba | 721 | ;; Get a regular expression and set `ex-variant', if found |
| 2d341681 MK |
722 | ;; Viper doesn't parse the substitution or search patterns. |
| 723 | ;; In particular, it doesn't expand ~ into the last substitution. | |
| 8626cfa2 | 724 | (defun viper-get-ex-pat () |
| 52fa07ba | 725 | (save-window-excursion |
| 8626cfa2 MK |
726 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 727 | (set-buffer viper-ex-work-buf) | |
| 52fa07ba MK |
728 | (skip-chars-forward " \t") |
| 729 | (if (looking-at "!") | |
| 2eb4bdca | 730 | ;; this is probably a variant command r! |
| 52fa07ba MK |
731 | (progn |
| 732 | (setq ex-g-variant (not ex-g-variant) | |
| 733 | ex-g-flag (not ex-g-flag)) | |
| 734 | (forward-char 1) | |
| 735 | (skip-chars-forward " \t"))) | |
| 736 | (let ((c (following-char))) | |
| 2eb4bdca MK |
737 | (cond ((string-match "[0-9A-Za-z]" (format "%c" c)) |
| 738 | (error | |
| 739 | "Global regexp must be inside matching non-alphanumeric chars")) | |
| 740 | ((= c ??) (error "`?' is not an allowed pattern delimiter here"))) | |
| 52fa07ba MK |
741 | (if (looking-at "[^\\\\\n]") |
| 742 | (progn | |
| 743 | (forward-char 1) | |
| 744 | (set-mark (point)) | |
| 745 | (let ((cont t)) | |
| 2eb4bdca MK |
746 | ;; the use of eobp instead of eolp permits the use of newlines in |
| 747 | ;; pat2 in s/pat1/pat2/ | |
| 748 | (while (and (not (eobp)) cont) | |
| 52fa07ba MK |
749 | (if (not (re-search-forward (format "[^%c]*%c" c c) nil t)) |
| 750 | (if (member ex-token '("global" "vglobal")) | |
| 2eb4bdca | 751 | (error "Missing closing delimiter for global regexp") |
| 52fa07ba | 752 | (goto-char (point-max)))) |
| 8626cfa2 | 753 | (if (not (viper-looking-back |
| 52fa07ba | 754 | (format "[^\\\\]\\(\\\\\\\\\\)*\\\\%c" c))) |
| 2eb4bdca MK |
755 | (setq cont nil) |
| 756 | ;; we are at an escaped delimiter: unescape it and continue | |
| 757 | (delete-backward-char 2) | |
| 758 | (insert c) | |
| 759 | (if (eolp) | |
| 760 | ;; if at eol, exit loop and go to next line | |
| 761 | ;; later, delim will be inserted at the end | |
| 762 | (progn | |
| 763 | (setq cont nil) | |
| 764 | (forward-char)))) | |
| 765 | )) | |
| 52fa07ba MK |
766 | (setq ex-token |
| 767 | (if (= (mark t) (point)) "" | |
| 768 | (buffer-substring (1- (point)) (mark t)))) | |
| 1e70790f | 769 | (backward-char 1) |
| 2eb4bdca | 770 | ;; if the user didn't insert the final pattern delimiter, we're |
| 3af0304a | 771 | ;; at newline now. In this case, insert the initial delimiter |
| 1e70790f | 772 | ;; specified in variable c |
| 2eb4bdca | 773 | (if (eolp) |
| 1e70790f | 774 | (progn |
| 2eb4bdca MK |
775 | (insert c) |
| 776 | (backward-char 1))) | |
| 1e70790f | 777 | ) |
| 52fa07ba MK |
778 | (setq ex-token nil)) |
| 779 | c))) | |
| bbe6126c | 780 | |
| 52fa07ba | 781 | ;; Get an Ex option g or c |
| 8626cfa2 | 782 | (defun viper-get-ex-opt-gc (c) |
| 52fa07ba | 783 | (save-window-excursion |
| a1506d29 | 784 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 8626cfa2 | 785 | (set-buffer viper-ex-work-buf) |
| 52fa07ba MK |
786 | (if (looking-at (format "%c" c)) (forward-char 1)) |
| 787 | (skip-chars-forward " \t") | |
| 788 | (cond ((looking-at "g") | |
| 789 | (setq ex-token "g") | |
| 790 | (forward-char 1) | |
| 791 | t) | |
| 792 | ((looking-at "c") | |
| 793 | (setq ex-token "c") | |
| 794 | (forward-char 1) | |
| 795 | t) | |
| 796 | (t nil)))) | |
| 797 | ||
| 798 | ;; Compute default addresses. WHOLE-FLAG means use the whole buffer | |
| 8626cfa2 | 799 | (defun viper-default-ex-addresses (&optional whole-flag) |
| 52fa07ba MK |
800 | (cond ((null ex-addresses) |
| 801 | (setq ex-addresses | |
| 802 | (if whole-flag | |
| 2eb4bdca MK |
803 | (list (point-max) (point-min)) |
| 804 | (list (point) (point))))) | |
| 52fa07ba MK |
805 | ((null (cdr ex-addresses)) |
| 806 | (setq ex-addresses | |
| 807 | (cons (car ex-addresses) ex-addresses))))) | |
| 808 | ||
| 809 | ;; Get an ex-address as a marker and set ex-flag if a flag is found | |
| 8626cfa2 | 810 | (defun viper-get-ex-address () |
| 9b70a748 MK |
811 | (let ((address (point-marker)) |
| 812 | (cont t)) | |
| 52fa07ba MK |
813 | (setq ex-token "") |
| 814 | (setq ex-flag nil) | |
| 815 | (while cont | |
| 8626cfa2 | 816 | (viper-get-ex-token) |
| 52fa07ba MK |
817 | (cond ((eq ex-token-type 'command) |
| 818 | (if (member ex-token '("print" "list" "#")) | |
| 819 | (progn | |
| 820 | (setq ex-flag t | |
| 821 | cont nil)) | |
| 822 | (error "Address expected in this Ex command"))) | |
| 823 | ((eq ex-token-type 'end-mark) | |
| 824 | (setq cont nil)) | |
| 825 | ((eq ex-token-type 'whole) | |
| 826 | (error "Trailing address expected")) | |
| 827 | ((eq ex-token-type 'comma) | |
| 8626cfa2 MK |
828 | (error "`%s': %s" ex-token viper-SpuriousText)) |
| 829 | (t (let ((ans (viper-get-ex-address-subr address (point-marker)))) | |
| 52fa07ba MK |
830 | (if ans (setq address ans)))))) |
| 831 | address)) | |
| 832 | ||
| 833 | ;; Returns an address as a point | |
| 8626cfa2 | 834 | (defun viper-get-ex-address-subr (old-address dot) |
| 52fa07ba MK |
835 | (let ((address nil)) |
| 836 | (if (null old-address) (setq old-address dot)) | |
| 837 | (cond ((eq ex-token-type 'dot) | |
| 838 | (setq address dot)) | |
| 839 | ((eq ex-token-type 'add-number) | |
| 840 | (save-excursion | |
| 841 | (goto-char old-address) | |
| 842 | (forward-line (if (= old-address 0) (1- ex-token) ex-token)) | |
| 843 | (setq address (point-marker)))) | |
| 844 | ((eq ex-token-type 'sub-number) | |
| 845 | (save-excursion | |
| 846 | (goto-char old-address) | |
| 847 | (forward-line (- ex-token)) | |
| 848 | (setq address (point-marker)))) | |
| 849 | ((eq ex-token-type 'abs-number) | |
| 850 | (save-excursion | |
| 851 | (goto-char (point-min)) | |
| 852 | (if (= ex-token 0) (setq address 0) | |
| 853 | (forward-line (1- ex-token)) | |
| 854 | (setq address (point-marker))))) | |
| 855 | ((eq ex-token-type 'end) | |
| 2d341681 MK |
856 | (save-excursion |
| 857 | (goto-char (1- (point-max))) | |
| 858 | (setq address (point-marker)))) | |
| 52fa07ba MK |
859 | ((eq ex-token-type 'plus) t) ; do nothing |
| 860 | ((eq ex-token-type 'minus) t) ; do nothing | |
| 861 | ((eq ex-token-type 'search-forward) | |
| 862 | (save-excursion | |
| 863 | (ex-search-address t) | |
| 864 | (setq address (point-marker)))) | |
| 865 | ((eq ex-token-type 'search-backward) | |
| 866 | (save-excursion | |
| 867 | (ex-search-address nil) | |
| 868 | (setq address (point-marker)))) | |
| 869 | ((eq ex-token-type 'goto-mark) | |
| 870 | (save-excursion | |
| 871 | (if (null ex-token) | |
| 872 | (exchange-point-and-mark) | |
| a1506d29 | 873 | (goto-char |
| 4960e757 MK |
874 | (viper-register-to-point |
| 875 | (viper-int-to-char (1+ (- ex-token ?a))) 'enforce-buffer))) | |
| 52fa07ba MK |
876 | (setq address (point-marker))))) |
| 877 | address)) | |
| 878 | ||
| 879 | ||
| 880 | ;; Search pattern and set address | |
| 2d341681 | 881 | ;; Doesn't wrap around. Should it? |
| 52fa07ba MK |
882 | (defun ex-search-address (forward) |
| 883 | (if (string= ex-token "") | |
| 8626cfa2 MK |
884 | (if (null viper-s-string) |
| 885 | (error viper-NoPrevSearch) | |
| 886 | (setq ex-token viper-s-string)) | |
| 887 | (setq viper-s-string ex-token)) | |
| 52fa07ba MK |
888 | (if forward |
| 889 | (progn | |
| 890 | (forward-line 1) | |
| 891 | (re-search-forward ex-token)) | |
| 892 | (forward-line -1) | |
| 893 | (re-search-backward ex-token))) | |
| 894 | ||
| 895 | ;; Get a buffer name and set `ex-count' and `ex-flag' if found | |
| 8626cfa2 | 896 | (defun viper-get-ex-buffer () |
| 52fa07ba MK |
897 | (setq ex-buffer nil) |
| 898 | (setq ex-count nil) | |
| 899 | (setq ex-flag nil) | |
| 900 | (save-window-excursion | |
| a1506d29 | 901 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 8626cfa2 | 902 | (set-buffer viper-ex-work-buf) |
| 52fa07ba MK |
903 | (skip-chars-forward " \t") |
| 904 | (if (looking-at "[a-zA-Z]") | |
| 905 | (progn | |
| 906 | (setq ex-buffer (following-char)) | |
| 907 | (forward-char 1) | |
| 908 | (skip-chars-forward " \t"))) | |
| 909 | (if (looking-at "[0-9]") | |
| 910 | (progn | |
| 911 | (set-mark (point)) | |
| 912 | (re-search-forward "[0-9][0-9]*") | |
| 027a4b6b | 913 | (setq ex-count (string-to-number (buffer-substring (point) (mark t)))) |
| 52fa07ba MK |
914 | (skip-chars-forward " \t"))) |
| 915 | (if (looking-at "[pl#]") | |
| 916 | (progn | |
| 917 | (setq ex-flag t) | |
| 918 | (forward-char 1))) | |
| 919 | (if (not (looking-at "[\n|]")) | |
| 8626cfa2 | 920 | (error "`%s': %s" ex-token viper-SpuriousText)))) |
| 52fa07ba | 921 | |
| 8626cfa2 | 922 | (defun viper-get-ex-count () |
| 52fa07ba MK |
923 | (setq ex-variant nil |
| 924 | ex-count nil | |
| 925 | ex-flag nil) | |
| 926 | (save-window-excursion | |
| a1506d29 | 927 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 8626cfa2 | 928 | (set-buffer viper-ex-work-buf) |
| 52fa07ba MK |
929 | (skip-chars-forward " \t") |
| 930 | (if (looking-at "!") | |
| 931 | (progn | |
| 932 | (setq ex-variant t) | |
| 933 | (forward-char 1))) | |
| 934 | (skip-chars-forward " \t") | |
| 935 | (if (looking-at "[0-9]") | |
| 936 | (progn | |
| 937 | (set-mark (point)) | |
| 938 | (re-search-forward "[0-9][0-9]*") | |
| 027a4b6b | 939 | (setq ex-count (string-to-number (buffer-substring (point) (mark t)))) |
| 52fa07ba MK |
940 | (skip-chars-forward " \t"))) |
| 941 | (if (looking-at "[pl#]") | |
| 942 | (progn | |
| 943 | (setq ex-flag t) | |
| 944 | (forward-char 1))) | |
| 945 | (if (not (looking-at "[\n|]")) | |
| 946 | (error "`%s': %s" | |
| 8626cfa2 MK |
947 | (buffer-substring |
| 948 | (point-min) (1- (point-max))) viper-BadExCommand)))) | |
| 52fa07ba MK |
949 | |
| 950 | ;; Expand \% and \# in ex command | |
| 951 | (defun ex-expand-filsyms (cmd buf) | |
| 952 | (let (cf pf ret) | |
| a1506d29 | 953 | (save-excursion |
| 52fa07ba MK |
954 | (set-buffer buf) |
| 955 | (setq cf buffer-file-name) | |
| 956 | (setq pf (ex-next nil t))) ; this finds alternative file name | |
| 957 | (if (and (null cf) (string-match "[^\\]%\\|\\`%" cmd)) | |
| 958 | (error "No current file to substitute for `%%'")) | |
| 959 | (if (and (null pf) (string-match "[^\\]#\\|\\`#" cmd)) | |
| 960 | (error "No alternate file to substitute for `#'")) | |
| 961 | (save-excursion | |
| 8626cfa2 | 962 | (set-buffer (get-buffer-create viper-ex-tmp-buf-name)) |
| 52fa07ba MK |
963 | (erase-buffer) |
| 964 | (insert cmd) | |
| 965 | (goto-char (point-min)) | |
| 966 | (while (re-search-forward "%\\|#" nil t) | |
| a1506d29 | 967 | (let ((data (match-data)) |
| 52fa07ba | 968 | (char (buffer-substring (match-beginning 0) (match-end 0)))) |
| 8626cfa2 | 969 | (if (viper-looking-back (concat "\\\\" char)) |
| 52fa07ba | 970 | (replace-match char) |
| 2eb4bdca | 971 | (store-match-data data) |
| 52fa07ba MK |
972 | (if (string= char "%") |
| 973 | (replace-match cf) | |
| 974 | (replace-match pf))))) | |
| 975 | (end-of-line) | |
| 976 | (setq ret (buffer-substring (point-min) (point))) | |
| 977 | (message "%s" ret)) | |
| 978 | ret)) | |
| 979 | ||
| 328b4b70 MK |
980 | ;; Get a file name and set `ex-variant', `ex-append' and `ex-offset' if found |
| 981 | ;; If it is r!, then get the command name and whatever args | |
| 8626cfa2 | 982 | (defun viper-get-ex-file () |
| 52fa07ba MK |
983 | (let (prompt) |
| 984 | (setq ex-file nil | |
| 985 | ex-variant nil | |
| 986 | ex-append nil | |
| 987 | ex-offset nil | |
| 328b4b70 MK |
988 | ex-cmdfile nil |
| 989 | ex-cmdfile-args "") | |
| 52fa07ba MK |
990 | (save-excursion |
| 991 | (save-window-excursion | |
| a1506d29 | 992 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 8626cfa2 | 993 | (set-buffer viper-ex-work-buf) |
| 52fa07ba MK |
994 | (skip-chars-forward " \t") |
| 995 | (if (looking-at "!") | |
| 8626cfa2 | 996 | (if (and (not (viper-looking-back "[ \t]")) |
| 52fa07ba MK |
997 | ;; read doesn't have a corresponding :r! form, so ! is |
| 998 | ;; immediately interpreted as a shell command. | |
| 999 | (not (string= ex-token "read"))) | |
| 1000 | (progn | |
| 1001 | (setq ex-variant t) | |
| 1002 | (forward-char 1) | |
| 1003 | (skip-chars-forward " \t")) | |
| 1004 | (setq ex-cmdfile t) | |
| 1005 | (forward-char 1) | |
| 1006 | (skip-chars-forward " \t"))) | |
| 1007 | (if (looking-at ">>") | |
| 1008 | (progn | |
| 1009 | (setq ex-append t | |
| 1010 | ex-variant t) | |
| 1011 | (forward-char 2) | |
| 1012 | (skip-chars-forward " \t"))) | |
| 1013 | (if (looking-at "+") | |
| 1014 | (progn | |
| 1015 | (forward-char 1) | |
| 1016 | (set-mark (point)) | |
| 1017 | (re-search-forward "[ \t\n]") | |
| 1018 | (backward-char 1) | |
| 1019 | (setq ex-offset (buffer-substring (point) (mark t))) | |
| 1020 | (forward-char 1) | |
| 1021 | (skip-chars-forward " \t"))) | |
| 1022 | ;; this takes care of :r, :w, etc., when they get file names | |
| 1023 | ;; from the history list | |
| 1024 | (if (member ex-token '("read" "write" "edit" "visual" "next")) | |
| 1025 | (progn | |
| 1026 | (setq ex-file (buffer-substring (point) (1- (point-max)))) | |
| 1027 | (setq ex-file | |
| 1028 | ;; For :e, match multiple non-white strings separated | |
| 3af0304a | 1029 | ;; by white. For others, find the first non-white string |
| 52fa07ba MK |
1030 | (if (string-match |
| 1031 | (if (string= ex-token "edit") | |
| 1032 | "[^ \t\n]+\\([ \t]+[^ \t\n]+\\)*" | |
| 1033 | "[^ \t\n]+") | |
| 1034 | ex-file) | |
| 1035 | (progn | |
| 1036 | ;; if file name comes from history, don't leave | |
| 1037 | ;; minibuffer when the user types space | |
| 8626cfa2 | 1038 | (setq viper-incomplete-ex-cmd nil) |
| 328b4b70 MK |
1039 | (setq ex-cmdfile-args |
| 1040 | (substring ex-file (match-end 0) nil)) | |
| 52fa07ba MK |
1041 | ;; this must be the last clause in this progn |
| 1042 | (substring ex-file (match-beginning 0) (match-end 0)) | |
| 1043 | ) | |
| 1044 | "")) | |
| 1045 | ;; this leaves only the command name in the work area | |
| 1046 | ;; file names are gone | |
| 1047 | (delete-region (point) (1- (point-max))) | |
| 1048 | )) | |
| 1049 | (goto-char (point-max)) | |
| 1050 | (skip-chars-backward " \t\n") | |
| 1051 | (setq prompt (buffer-substring (point-min) (point))) | |
| 1052 | )) | |
| a1506d29 | 1053 | |
| 8626cfa2 | 1054 | (setq viper-last-ex-prompt prompt) |
| a1506d29 | 1055 | |
| 52fa07ba | 1056 | ;; If we just finished reading command, redisplay prompt |
| 8626cfa2 MK |
1057 | (if viper-incomplete-ex-cmd |
| 1058 | (setq ex-file (viper-ex-read-file-name (format ":%s " prompt))) | |
| 52fa07ba MK |
1059 | ;; file was typed in-line |
| 1060 | (setq ex-file (or ex-file ""))) | |
| 1061 | )) | |
| bbe6126c | 1062 | |
| bbe6126c | 1063 | |
| 3af0304a | 1064 | ;; Completes file name or exits minibuffer. If Ex command accepts multiple |
| 52fa07ba | 1065 | ;; file names, arranges to re-enter the minibuffer. |
| 8626cfa2 | 1066 | (defun viper-complete-filename-or-exit () |
| 52fa07ba | 1067 | (interactive) |
| a1506d29 JB |
1068 | (setq viper-keep-reading-filename t) |
| 1069 | ;; don't exit if directory---ex-commands don't | |
| 52fa07ba MK |
1070 | (cond ((ex-cmd-accepts-multiple-files-p ex-token) (exit-minibuffer)) |
| 1071 | ;; apparently the argument to an Ex command is | |
| 1072 | ;; supposed to be a shell command | |
| 8626cfa2 | 1073 | ((viper-looking-back "^[ \t]*!.*") |
| 52fa07ba MK |
1074 | (setq ex-cmdfile t) |
| 1075 | (insert " ")) | |
| 1076 | (t | |
| 1077 | (setq ex-cmdfile nil) | |
| 1078 | (minibuffer-complete-word)))) | |
| bbe6126c | 1079 | |
| 8626cfa2 | 1080 | (defun viper-handle-! () |
| 52fa07ba MK |
1081 | (interactive) |
| 1082 | (if (and (string= | |
| 8626cfa2 | 1083 | (buffer-string) (viper-abbreviate-file-name default-directory)) |
| 52fa07ba MK |
1084 | (member ex-token '("read" "write"))) |
| 1085 | (erase-buffer)) | |
| 1086 | (insert "!")) | |
| 1087 | ||
| 1088 | (defun ex-cmd-accepts-multiple-files-p (token) | |
| 1089 | (member token '("edit" "next" "Next"))) | |
| 1090 | ||
| 328b4b70 | 1091 | ;; Read file name from the minibuffer in an ex command. |
| 52fa07ba MK |
1092 | ;; If user doesn't enter anything, then "" is returned, i.e., the |
| 1093 | ;; prompt-directory is not returned. | |
| 8626cfa2 | 1094 | (defun viper-ex-read-file-name (prompt) |
| 52fa07ba MK |
1095 | (let* ((str "") |
| 1096 | (minibuffer-local-completion-map | |
| 1097 | (copy-keymap minibuffer-local-completion-map)) | |
| 1098 | beg end cont val) | |
| a1506d29 | 1099 | |
| 8626cfa2 | 1100 | (viper-add-keymap ex-read-filename-map |
| e83d1fe8 | 1101 | (if (featurep 'emacs) |
| 52fa07ba | 1102 | minibuffer-local-completion-map |
| a1506d29 JB |
1103 | read-file-name-map)) |
| 1104 | ||
| 8626cfa2 | 1105 | (setq cont (setq viper-keep-reading-filename t)) |
| 52fa07ba | 1106 | (while cont |
| 8626cfa2 | 1107 | (setq viper-keep-reading-filename nil |
| 52fa07ba | 1108 | val (read-file-name (concat prompt str) nil default-directory)) |
| 2eb4bdca MK |
1109 | (setq val (expand-file-name val)) |
| 1110 | (if (and (string-match " " val) | |
| 1111 | (ex-cmd-accepts-multiple-files-p ex-token)) | |
| 1112 | (setq val (concat "\"" val "\""))) | |
| 52fa07ba MK |
1113 | (setq str (concat str (if (equal val "") "" " ") |
| 1114 | val (if (equal val "") "" " "))) | |
| a1506d29 | 1115 | |
| 52fa07ba | 1116 | ;; Only edit, next, and Next commands accept multiple files. |
| 8626cfa2 | 1117 | ;; viper-keep-reading-filename is set in the anonymous function that is |
| 52fa07ba | 1118 | ;; bound to " " in ex-read-filename-map. |
| 8626cfa2 | 1119 | (setq cont (and viper-keep-reading-filename |
| 52fa07ba MK |
1120 | (ex-cmd-accepts-multiple-files-p ex-token))) |
| 1121 | ) | |
| a1506d29 | 1122 | |
| 52fa07ba MK |
1123 | (setq beg (string-match "[^ \t]" str) ; delete leading blanks |
| 1124 | end (string-match "[ \t]*$" str)) ; delete trailing blanks | |
| 1125 | (if (member ex-token '("read" "write")) | |
| 1126 | (if (string-match "[\t ]*!" str) | |
| 1127 | ;; this is actually a shell command | |
| 1128 | (progn | |
| 1129 | (setq ex-cmdfile t) | |
| 1130 | (setq beg (1+ beg)) | |
| 8626cfa2 MK |
1131 | (setq viper-last-ex-prompt |
| 1132 | (concat viper-last-ex-prompt " !"))))) | |
| 52fa07ba | 1133 | (substring str (or beg 0) end))) |
| bbe6126c | 1134 | |
| 52fa07ba | 1135 | |
| 8626cfa2 | 1136 | (defun viper-undisplayed-files () |
| 52fa07ba | 1137 | (mapcar |
| a1506d29 | 1138 | (lambda (b) |
| 3af0304a MK |
1139 | (if (null (get-buffer-window b)) |
| 1140 | (let ((f (buffer-file-name b))) | |
| 1141 | (if f f | |
| a1506d29 | 1142 | (if ex-cycle-through-non-files |
| 3af0304a MK |
1143 | (let ((s (buffer-name b))) |
| 1144 | (if (string= " " (substring s 0 1)) | |
| 1145 | nil | |
| 1146 | s)) | |
| 1147 | nil))) | |
| 1148 | nil)) | |
| 52fa07ba MK |
1149 | (buffer-list))) |
| 1150 | ||
| 1151 | ||
| 1152 | (defun ex-args () | |
| 8626cfa2 | 1153 | (let ((l (viper-undisplayed-files)) |
| 52fa07ba MK |
1154 | (args "") |
| 1155 | (file-count 1)) | |
| 1156 | (while (not (null l)) | |
| a1506d29 | 1157 | (if (car l) |
| 52fa07ba MK |
1158 | (setq args (format "%s %d) %s\n" args file-count (car l)) |
| 1159 | file-count (1+ file-count))) | |
| 1160 | (setq l (cdr l))) | |
| 1161 | (if (string= args "") | |
| 1162 | (message "All files are already displayed") | |
| 1163 | (save-excursion | |
| 1164 | (save-window-excursion | |
| 8626cfa2 | 1165 | (with-output-to-temp-buffer " *viper-info*" |
| 52fa07ba MK |
1166 | (princ "\n\nThese files are not displayed in any window.\n") |
| 1167 | (princ "\n=============\n") | |
| 1168 | (princ args) | |
| 1169 | (princ "\n=============\n") | |
| 1170 | (princ "\nThe numbers can be given as counts to :next. ") | |
| 1171 | (princ "\n\nPress any key to continue...\n\n")) | |
| 8626cfa2 | 1172 | (viper-read-event)))))) |
| 52fa07ba | 1173 | |
| 3af0304a | 1174 | ;; Ex cd command. Default directory of this buffer changes |
| 52fa07ba | 1175 | (defun ex-cd () |
| 8626cfa2 | 1176 | (viper-get-ex-file) |
| 52fa07ba MK |
1177 | (if (string= ex-file "") |
| 1178 | (setq ex-file "~")) | |
| 1179 | (setq default-directory (file-name-as-directory (expand-file-name ex-file)))) | |
| 1180 | ||
| 1181 | ;; Ex copy and move command. DEL-FLAG means delete | |
| 1182 | (defun ex-copy (del-flag) | |
| 8626cfa2 MK |
1183 | (viper-default-ex-addresses) |
| 1184 | (let ((address (viper-get-ex-address)) | |
| 52fa07ba MK |
1185 | (end (car ex-addresses)) (beg (car (cdr ex-addresses)))) |
| 1186 | (goto-char end) | |
| 1187 | (save-excursion | |
| 1188 | (push-mark beg t) | |
| 8626cfa2 | 1189 | (viper-enlarge-region (mark t) (point)) |
| 52fa07ba MK |
1190 | (if del-flag |
| 1191 | (kill-region (point) (mark t)) | |
| 1192 | (copy-region-as-kill (point) (mark t))) | |
| 1193 | (if ex-flag | |
| 1194 | (progn | |
| 8e41a31c | 1195 | (with-output-to-temp-buffer " *copy text*" |
| 52fa07ba MK |
1196 | (princ |
| 1197 | (if (or del-flag ex-g-flag ex-g-variant) | |
| 1198 | (current-kill 0) | |
| 1199 | (buffer-substring (point) (mark t))))) | |
| 1200 | (condition-case nil | |
| 1201 | (progn | |
| 8e41a31c MK |
1202 | (read-string "[Hit return to confirm] ") |
| 1203 | (save-excursion (kill-buffer " *copy text*"))) | |
| 1204 | (quit (save-excursion (kill-buffer " *copy text*")) | |
| 52fa07ba MK |
1205 | (signal 'quit nil)))))) |
| 1206 | (if (= address 0) | |
| 1207 | (goto-char (point-min)) | |
| 1208 | (goto-char address) | |
| 1209 | (forward-line 1)) | |
| 1210 | (insert (current-kill 0)))) | |
| 1211 | ||
| 1212 | ;; Ex delete command | |
| 1213 | (defun ex-delete () | |
| 8626cfa2 MK |
1214 | (viper-default-ex-addresses) |
| 1215 | (viper-get-ex-buffer) | |
| 52fa07ba | 1216 | (let ((end (car ex-addresses)) (beg (car (cdr ex-addresses)))) |
| 8626cfa2 | 1217 | (if (> beg end) (error viper-FirstAddrExceedsSecond)) |
| 52fa07ba | 1218 | (save-excursion |
| 8626cfa2 | 1219 | (viper-enlarge-region beg end) |
| 52fa07ba MK |
1220 | (exchange-point-and-mark) |
| 1221 | (if ex-count | |
| 1222 | (progn | |
| 1223 | (set-mark (point)) | |
| 1224 | (forward-line (1- ex-count))) | |
| 1225 | (set-mark end)) | |
| 8626cfa2 | 1226 | (viper-enlarge-region (point) (mark t)) |
| 52fa07ba MK |
1227 | (if ex-flag |
| 1228 | ;; show text to be deleted and ask for confirmation | |
| 1229 | (progn | |
| 1230 | (with-output-to-temp-buffer " *delete text*" | |
| 1231 | (princ (buffer-substring (point) (mark t)))) | |
| 1232 | (condition-case nil | |
| 8e41a31c | 1233 | (read-string "[Hit return to confirm] ") |
| 52fa07ba MK |
1234 | (quit |
| 1235 | (save-excursion (kill-buffer " *delete text*")) | |
| 69441214 | 1236 | (error "Viper bell"))) |
| 52fa07ba MK |
1237 | (save-excursion (kill-buffer " *delete text*"))) |
| 1238 | (if ex-buffer | |
| 8626cfa2 MK |
1239 | (cond ((viper-valid-register ex-buffer '(Letter)) |
| 1240 | (viper-append-to-register | |
| 52fa07ba | 1241 | (downcase ex-buffer) (point) (mark t))) |
| 8626cfa2 | 1242 | ((viper-valid-register ex-buffer) |
| 52fa07ba | 1243 | (copy-to-register ex-buffer (point) (mark t) nil)) |
| 8626cfa2 | 1244 | (t (error viper-InvalidRegister ex-buffer)))) |
| 52fa07ba MK |
1245 | (kill-region (point) (mark t)))))) |
| 1246 | ||
| 1247 | ||
| 1248 | ||
| 1249 | ;; Ex edit command | |
| 3af0304a | 1250 | ;; In Viper, `e' and `e!' behave identically. In both cases, the user is |
| 52fa07ba | 1251 | ;; asked if current buffer should really be discarded. |
| 3af0304a | 1252 | ;; This command can take multiple file names. It replaces the current buffer |
| 52fa07ba MK |
1253 | ;; with the first file in its argument list |
| 1254 | (defun ex-edit (&optional file) | |
| 1255 | (if (not file) | |
| 8626cfa2 | 1256 | (viper-get-ex-file)) |
| 52fa07ba | 1257 | (cond ((and (string= ex-file "") buffer-file-name) |
| 8626cfa2 | 1258 | (setq ex-file (viper-abbreviate-file-name (buffer-file-name)))) |
| 52fa07ba | 1259 | ((string= ex-file "") |
| 8626cfa2 | 1260 | (error viper-NoFileSpecified))) |
| a1506d29 | 1261 | |
| 2d341681 MK |
1262 | (let (msg do-edit) |
| 1263 | (if buffer-file-name | |
| 1264 | (cond ((buffer-modified-p) | |
| 1265 | (setq msg | |
| 1266 | (format "Buffer %s is modified. Discard changes? " | |
| 1267 | (buffer-name)) | |
| 1268 | do-edit t)) | |
| 1269 | ((not (verify-visited-file-modtime (current-buffer))) | |
| 1270 | (setq msg | |
| 1271 | (format "File %s changed on disk. Reread from disk? " | |
| 1272 | buffer-file-name) | |
| 1273 | do-edit t)) | |
| 1274 | (t (setq do-edit nil)))) | |
| a1506d29 | 1275 | |
| 2d341681 MK |
1276 | (if do-edit |
| 1277 | (if (yes-or-no-p msg) | |
| 1278 | (progn | |
| 1279 | (set-buffer-modified-p nil) | |
| 1280 | (kill-buffer (current-buffer))) | |
| 1281 | (message "Buffer %s was left intact" (buffer-name)))) | |
| 1282 | ) ; let | |
| a1506d29 | 1283 | |
| 52fa07ba | 1284 | (if (null (setq file (get-file-buffer ex-file))) |
| a1506d29 | 1285 | (progn |
| 3af0304a MK |
1286 | ;; this also does shell-style globbing |
| 1287 | (ex-find-file | |
| 1288 | ;; replace # and % with the previous/current file | |
| 1289 | (ex-expand-filsyms ex-file (current-buffer))) | |
| ab124470 | 1290 | (or (eq major-mode 'dired-mode) |
| 8626cfa2 | 1291 | (viper-change-state-to-vi)) |
| 52fa07ba MK |
1292 | (goto-char (point-min))) |
| 1293 | (switch-to-buffer file)) | |
| 1294 | (if ex-offset | |
| 1295 | (progn | |
| 1296 | (save-window-excursion | |
| a1506d29 | 1297 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 8626cfa2 | 1298 | (set-buffer viper-ex-work-buf) |
| 52fa07ba MK |
1299 | (delete-region (point-min) (point-max)) |
| 1300 | (insert ex-offset "\n") | |
| 1301 | (goto-char (point-min))) | |
| 8626cfa2 | 1302 | (goto-char (viper-get-ex-address)) |
| 52fa07ba | 1303 | (beginning-of-line))) |
| 8626cfa2 | 1304 | (ex-fixup-history viper-last-ex-prompt ex-file)) |
| 52fa07ba | 1305 | |
| ab124470 | 1306 | ;; Find-file FILESPEC if it appears to specify a single file. |
| 2eb4bdca | 1307 | ;; Otherwise, assume that FILESPEC is a wildcard. |
| ab124470 | 1308 | ;; In this case, split it into substrings separated by newlines. |
| 3af0304a | 1309 | ;; Each line is assumed to be a file name. |
| 52fa07ba | 1310 | (defun ex-find-file (filespec) |
| ab124470 MK |
1311 | (let ((nonstandard-filename-chars "[^-a-zA-Z0-9_./,~$\\]")) |
| 1312 | (cond ((file-exists-p filespec) (find-file filespec)) | |
| 1313 | ((string-match nonstandard-filename-chars filespec) | |
| 3af0304a | 1314 | (mapcar 'find-file (funcall viper-glob-function filespec))) |
| ab124470 | 1315 | (t (find-file filespec))) |
| 52fa07ba | 1316 | )) |
| bbe6126c | 1317 | |
| 6c2e12f4 | 1318 | |
| 52fa07ba | 1319 | ;; Ex global command |
| 1e70790f MK |
1320 | ;; This is executed in response to: |
| 1321 | ;; :global "pattern" ex-command | |
| 1322 | ;; :vglobal "pattern" ex-command | |
| 1323 | ;; :global executes ex-command on all lines matching <pattern> | |
| 1324 | ;; :vglobal executes ex-command on all lines that don't match <pattern> | |
| 1325 | ;; | |
| 1326 | ;; With VARIANT nil, this functions executes :global | |
| 1327 | ;; With VARIANT t, executes :vglobal | |
| 52fa07ba MK |
1328 | (defun ex-global (variant) |
| 1329 | (let ((gcommand ex-token)) | |
| 1330 | (if (or ex-g-flag ex-g-variant) | |
| 1331 | (error "`%s' within `global' is not allowed" gcommand) | |
| 1332 | (if variant | |
| 1333 | (setq ex-g-flag nil | |
| 1334 | ex-g-variant t) | |
| 1335 | (setq ex-g-flag t | |
| 1336 | ex-g-variant nil))) | |
| 8626cfa2 | 1337 | (viper-get-ex-pat) |
| 52fa07ba MK |
1338 | (if (null ex-token) |
| 1339 | (error "`%s': Missing regular expression" gcommand))) | |
| a1506d29 | 1340 | |
| 52fa07ba | 1341 | (if (string= ex-token "") |
| 8626cfa2 MK |
1342 | (if (null viper-s-string) |
| 1343 | (error viper-NoPrevSearch) | |
| 1344 | (setq ex-g-pat viper-s-string)) | |
| 52fa07ba | 1345 | (setq ex-g-pat ex-token |
| 8626cfa2 | 1346 | viper-s-string ex-token)) |
| 52fa07ba MK |
1347 | (if (null ex-addresses) |
| 1348 | (setq ex-addresses (list (point-max) (point-min))) | |
| 8626cfa2 | 1349 | (viper-default-ex-addresses)) |
| 241d963d MK |
1350 | (setq ex-g-marks nil) |
| 1351 | (let ((mark-count 0) | |
| 1e70790f MK |
1352 | (end (car ex-addresses)) |
| 1353 | (beg (car (cdr ex-addresses))) | |
| 1354 | com-str) | |
| 8626cfa2 | 1355 | (if (> beg end) (error viper-FirstAddrExceedsSecond)) |
| 52fa07ba | 1356 | (save-excursion |
| 8626cfa2 | 1357 | (viper-enlarge-region beg end) |
| 52fa07ba MK |
1358 | (exchange-point-and-mark) |
| 1359 | (let ((cont t) (limit (point-marker))) | |
| 1360 | (exchange-point-and-mark) | |
| 1361 | ;; skip the last line if empty | |
| 1362 | (beginning-of-line) | |
| 8626cfa2 | 1363 | (if (eobp) (viper-backward-char-carefully)) |
| 52fa07ba MK |
1364 | (while (and cont (not (bobp)) (>= (point) limit)) |
| 1365 | (beginning-of-line) | |
| 1366 | (set-mark (point)) | |
| 1367 | (end-of-line) | |
| 1368 | (let ((found (re-search-backward ex-g-pat (mark t) t))) | |
| 1369 | (if (or (and ex-g-flag found) | |
| 1370 | (and ex-g-variant (not found))) | |
| 1371 | (progn | |
| 1372 | (end-of-line) | |
| 1373 | (setq mark-count (1+ mark-count)) | |
| 241d963d | 1374 | (setq ex-g-marks (cons (point-marker) ex-g-marks))))) |
| 52fa07ba MK |
1375 | (beginning-of-line) |
| 1376 | (if (bobp) (setq cont nil) | |
| 1377 | (forward-line -1) | |
| 1378 | (end-of-line))))) | |
| 1379 | (save-window-excursion | |
| a1506d29 | 1380 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 8626cfa2 | 1381 | (set-buffer viper-ex-work-buf) |
| 3af0304a | 1382 | ;; com-str is the command string, i.e., g/pattern/ or v/pattern' |
| 52fa07ba | 1383 | (setq com-str (buffer-substring (1+ (point)) (1- (point-max))))) |
| 241d963d MK |
1384 | (while ex-g-marks |
| 1385 | (goto-char (car ex-g-marks)) | |
| 3af0304a | 1386 | (viper-ex nil com-str) |
| 52fa07ba | 1387 | (setq mark-count (1- mark-count)) |
| 241d963d | 1388 | (setq ex-g-marks (cdr ex-g-marks))))) |
| 52fa07ba MK |
1389 | |
| 1390 | ;; Ex goto command | |
| 1391 | (defun ex-goto () | |
| 1392 | (if (null ex-addresses) | |
| 1393 | (setq ex-addresses (cons (point) nil))) | |
| 1394 | (push-mark (point) t) | |
| 1395 | (goto-char (car ex-addresses)) | |
| 3af0304a MK |
1396 | (beginning-of-line) |
| 1397 | ) | |
| 52fa07ba MK |
1398 | |
| 1399 | ;; Ex line commands. COM is join, shift-right or shift-left | |
| 1400 | (defun ex-line (com) | |
| 8626cfa2 MK |
1401 | (viper-default-ex-addresses) |
| 1402 | (viper-get-ex-count) | |
| 52fa07ba | 1403 | (let ((end (car ex-addresses)) (beg (car (cdr ex-addresses))) point) |
| 8626cfa2 | 1404 | (if (> beg end) (error viper-FirstAddrExceedsSecond)) |
| 52fa07ba | 1405 | (save-excursion |
| 8626cfa2 | 1406 | (viper-enlarge-region beg end) |
| 52fa07ba MK |
1407 | (exchange-point-and-mark) |
| 1408 | (if ex-count | |
| 1409 | (progn | |
| 1410 | (set-mark (point)) | |
| 1411 | (forward-line ex-count))) | |
| 1412 | (if ex-flag | |
| 1413 | ;; show text to be joined and ask for confirmation | |
| 1414 | (progn | |
| 8e41a31c | 1415 | (with-output-to-temp-buffer " *join text*" |
| 52fa07ba MK |
1416 | (princ (buffer-substring (point) (mark t)))) |
| 1417 | (condition-case nil | |
| 1418 | (progn | |
| 8e41a31c | 1419 | (read-string "[Hit return to confirm] ") |
| 52fa07ba MK |
1420 | (ex-line-subr com (point) (mark t))) |
| 1421 | (quit (ding))) | |
| 8e41a31c | 1422 | (save-excursion (kill-buffer " *join text*"))) |
| 52fa07ba MK |
1423 | (ex-line-subr com (point) (mark t))) |
| 1424 | (setq point (point))) | |
| 1425 | (goto-char (1- point)) | |
| 1426 | (beginning-of-line))) | |
| 1427 | ||
| 1428 | (defun ex-line-subr (com beg end) | |
| 1429 | (cond ((string= com "join") | |
| 1430 | (goto-char (min beg end)) | |
| 1431 | (while (and (not (eobp)) (< (point) (max beg end))) | |
| 1432 | (end-of-line) | |
| 1433 | (if (and (<= (point) (max beg end)) (not (eobp))) | |
| 1434 | (progn | |
| 1435 | (forward-line 1) | |
| 1436 | (delete-region (point) (1- (point))) | |
| 1437 | (if (not ex-variant) (fixup-whitespace)))))) | |
| 1438 | ((or (string= com "right") (string= com "left")) | |
| 1439 | (indent-rigidly | |
| 1440 | (min beg end) (max beg end) | |
| 8626cfa2 | 1441 | (if (string= com "right") viper-shift-width (- viper-shift-width))) |
| 52fa07ba MK |
1442 | (goto-char (max beg end)) |
| 1443 | (end-of-line) | |
| 8626cfa2 | 1444 | (viper-forward-char-carefully)))) |
| 52fa07ba MK |
1445 | |
| 1446 | ||
| 1447 | ;; Ex mark command | |
| 4986c2c6 MK |
1448 | ;; Sets the mark to the current point. |
| 1449 | ;; If name is omitted, get the name straight from the work buffer." | |
| 1450 | (defun ex-mark (&optional name) | |
| 52fa07ba MK |
1451 | (let (char) |
| 1452 | (if (null ex-addresses) | |
| 1453 | (setq ex-addresses | |
| 1454 | (cons (point) nil))) | |
| 4986c2c6 MK |
1455 | (if name |
| 1456 | (if (eq 1 (length name)) | |
| 1457 | (setq char (string-to-char name)) | |
| 60370d40 | 1458 | (error "`%s': Spurious text \"%s\" after mark name" |
| 0b762d9a | 1459 | name (substring name 1))) |
| 52fa07ba | 1460 | (save-window-excursion |
| a1506d29 | 1461 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 8626cfa2 | 1462 | (set-buffer viper-ex-work-buf) |
| 52fa07ba MK |
1463 | (skip-chars-forward " \t") |
| 1464 | (if (looking-at "[a-z]") | |
| 1465 | (progn | |
| 1466 | (setq char (following-char)) | |
| 1467 | (forward-char 1) | |
| 1468 | (skip-chars-forward " \t") | |
| 1469 | (if (not (looking-at "[\n|]")) | |
| 8626cfa2 | 1470 | (error "`%s': %s" ex-token viper-SpuriousText))) |
| 4986c2c6 | 1471 | (error "`%s' requires a following letter" ex-token)))) |
| 52fa07ba MK |
1472 | (save-excursion |
| 1473 | (goto-char (car ex-addresses)) | |
| 4960e757 | 1474 | (point-to-register (viper-int-to-char (1+ (- char ?a))))))) |
| 6c2e12f4 | 1475 | |
| a1506d29 JB |
1476 | |
| 1477 | ||
| 52fa07ba MK |
1478 | ;; Alternate file is the file next to the first one in the buffer ring |
| 1479 | (defun ex-next (cycle-other-window &optional find-alt-file) | |
| 1480 | (catch 'ex-edit | |
| 1481 | (let (count l) | |
| a1506d29 | 1482 | (if (not find-alt-file) |
| bbe6126c | 1483 | (progn |
| 8626cfa2 | 1484 | (viper-get-ex-file) |
| 52fa07ba | 1485 | (if (or (char-or-string-p ex-offset) |
| a1506d29 | 1486 | (and (not (string= "" ex-file)) |
| 52fa07ba | 1487 | (not (string-match "^[0-9]+$" ex-file)))) |
| bbe6126c | 1488 | (progn |
| 52fa07ba MK |
1489 | (ex-edit t) |
| 1490 | (throw 'ex-edit nil)) | |
| 027a4b6b | 1491 | (setq count (string-to-number ex-file)) |
| 52fa07ba MK |
1492 | (if (= count 0) (setq count 1)) |
| 1493 | (if (< count 0) (error "Usage: `next <count>' (count >= 0)")))) | |
| 1494 | (setq count 1)) | |
| 8626cfa2 | 1495 | (setq l (viper-undisplayed-files)) |
| 52fa07ba MK |
1496 | (while (> count 0) |
| 1497 | (while (and (not (null l)) (null (car l))) | |
| 1498 | (setq l (cdr l))) | |
| 1499 | (setq count (1- count)) | |
| 1500 | (if (> count 0) | |
| 1501 | (setq l (cdr l)))) | |
| 1502 | (if find-alt-file (car l) | |
| 1503 | (progn | |
| 1504 | (if (and (car l) (get-file-buffer (car l))) | |
| 1505 | (let* ((w (if cycle-other-window | |
| 1506 | (get-lru-window) (selected-window))) | |
| 1507 | (b (window-buffer w))) | |
| 1508 | (set-window-buffer w (get-file-buffer (car l))) | |
| 1509 | (bury-buffer b) | |
| 1510 | ;; this puts "next <count>" in the ex-command history | |
| 8626cfa2 | 1511 | (ex-fixup-history viper-last-ex-prompt ex-file)) |
| 52fa07ba MK |
1512 | (error "Not that many undisplayed files"))))))) |
| 1513 | ||
| 1514 | ||
| 1515 | (defun ex-next-related-buffer (direction &optional no-recursion) | |
| a1506d29 | 1516 | |
| 8626cfa2 | 1517 | (viper-ring-rotate1 viper-related-files-and-buffers-ring direction) |
| a1506d29 JB |
1518 | |
| 1519 | (let ((file-or-buffer-name | |
| 8626cfa2 MK |
1520 | (viper-current-ring-item viper-related-files-and-buffers-ring)) |
| 1521 | (old-ring viper-related-files-and-buffers-ring) | |
| 52fa07ba MK |
1522 | (old-win (selected-window)) |
| 1523 | skip-rest buf wind) | |
| a1506d29 | 1524 | |
| 8626cfa2 MK |
1525 | (or (and (ring-p viper-related-files-and-buffers-ring) |
| 1526 | (> (ring-length viper-related-files-and-buffers-ring) 0)) | |
| 52fa07ba | 1527 | (error "This buffer has no related files or buffers")) |
| a1506d29 | 1528 | |
| 52fa07ba MK |
1529 | (or (stringp file-or-buffer-name) |
| 1530 | (error | |
| 1531 | "File and buffer names must be strings, %S" file-or-buffer-name)) | |
| a1506d29 | 1532 | |
| 52fa07ba MK |
1533 | (setq buf (cond ((get-buffer file-or-buffer-name)) |
| 1534 | ((file-exists-p file-or-buffer-name) | |
| 1535 | (find-file-noselect file-or-buffer-name)) | |
| 1536 | )) | |
| a1506d29 | 1537 | |
| 8626cfa2 | 1538 | (if (not (viper-buffer-live-p buf)) |
| 52fa07ba MK |
1539 | (error "Didn't find buffer %S or file %S" |
| 1540 | file-or-buffer-name | |
| 8626cfa2 | 1541 | (viper-abbreviate-file-name |
| 52fa07ba | 1542 | (expand-file-name file-or-buffer-name)))) |
| a1506d29 | 1543 | |
| 52fa07ba MK |
1544 | (if (equal buf (current-buffer)) |
| 1545 | (or no-recursion | |
| 1546 | ;; try again | |
| 1547 | (progn | |
| 1548 | (setq skip-rest t) | |
| 1549 | (ex-next-related-buffer direction 'norecursion)))) | |
| a1506d29 | 1550 | |
| 52fa07ba MK |
1551 | (if skip-rest |
| 1552 | () | |
| 1553 | ;; setup buffer | |
| 8626cfa2 | 1554 | (if (setq wind (viper-get-visible-buffer-window buf)) |
| 52fa07ba | 1555 | () |
| e83d1fe8 | 1556 | (setq wind (get-lru-window (if (featurep 'xemacs) nil 'visible))) |
| 52fa07ba | 1557 | (set-window-buffer wind buf)) |
| a1506d29 | 1558 | |
| 8626cfa2 | 1559 | (if (viper-window-display-p) |
| 52fa07ba MK |
1560 | (progn |
| 1561 | (raise-frame (window-frame wind)) | |
| 1562 | (if (equal (window-frame wind) (window-frame old-win)) | |
| 1563 | (save-window-excursion (select-window wind) (sit-for 1)) | |
| 1564 | (select-window wind))) | |
| 1565 | (save-window-excursion (select-window wind) (sit-for 1))) | |
| a1506d29 | 1566 | |
| 52fa07ba MK |
1567 | (save-excursion |
| 1568 | (set-buffer buf) | |
| 8626cfa2 | 1569 | (setq viper-related-files-and-buffers-ring old-ring)) |
| a1506d29 | 1570 | |
| 8626cfa2 | 1571 | (setq viper-local-search-start-marker (point-marker)) |
| 52fa07ba | 1572 | ))) |
| a1506d29 JB |
1573 | |
| 1574 | ||
| 52fa07ba MK |
1575 | ;; Force auto save |
| 1576 | (defun ex-preserve () | |
| 1577 | (message "Autosaving all buffers that need to be saved...") | |
| 1578 | (do-auto-save t)) | |
| 1579 | ||
| 1580 | ;; Ex put | |
| 1581 | (defun ex-put () | |
| 1582 | (let ((point (if (null ex-addresses) (point) (car ex-addresses)))) | |
| 8626cfa2 MK |
1583 | (viper-get-ex-buffer) |
| 1584 | (setq viper-use-register ex-buffer) | |
| 52fa07ba | 1585 | (goto-char point) |
| 8626cfa2 | 1586 | (if (bobp) (viper-Put-back 1) (viper-put-back 1)))) |
| 52fa07ba MK |
1587 | |
| 1588 | ;; Ex print working directory | |
| 1589 | (defun ex-pwd () | |
| 7b8a295e | 1590 | (message "%s" default-directory)) |
| 52fa07ba MK |
1591 | |
| 1592 | ;; Ex quit command | |
| 1593 | (defun ex-quit () | |
| 3af0304a | 1594 | ;; skip "!", if it is q!. In Viper q!, w!, etc., behave as q, w, etc. |
| 52fa07ba | 1595 | (save-excursion |
| a1506d29 | 1596 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 8626cfa2 | 1597 | (set-buffer viper-ex-work-buf) |
| 52fa07ba | 1598 | (if (looking-at "!") (forward-char 1))) |
| 1e70790f | 1599 | (if (< viper-expert-level 3) |
| 52fa07ba MK |
1600 | (save-buffers-kill-emacs) |
| 1601 | (kill-buffer (current-buffer)))) | |
| 6c2e12f4 | 1602 | |
| 6c2e12f4 | 1603 | |
| 52fa07ba | 1604 | ;; Ex read command |
| 3af0304a MK |
1605 | ;; ex-read doesn't support wildcards, because file completion is a better |
| 1606 | ;; mechanism. We also don't support # and % (except in :r <shell-command> | |
| 1607 | ;; because file history is a better mechanism. | |
| 52fa07ba | 1608 | (defun ex-read () |
| 8626cfa2 | 1609 | (viper-get-ex-file) |
| 52fa07ba MK |
1610 | (let ((point (if (null ex-addresses) (point) (car ex-addresses))) |
| 1611 | command) | |
| 1612 | (goto-char point) | |
| 8626cfa2 | 1613 | (viper-add-newline-at-eob-if-necessary) |
| 52fa07ba MK |
1614 | (if (not (or (bobp) (eobp))) (forward-line 1)) |
| 1615 | (if (and (not ex-variant) (string= ex-file "")) | |
| 1616 | (progn | |
| 1617 | (if (null buffer-file-name) | |
| 8626cfa2 | 1618 | (error viper-NoFileSpecified)) |
| 52fa07ba MK |
1619 | (setq ex-file buffer-file-name))) |
| 1620 | (if ex-cmdfile | |
| 1621 | (progn | |
| a1506d29 | 1622 | (setq command |
| 3af0304a | 1623 | ;; replace # and % with the previous/current file |
| 7eb605c7 MK |
1624 | (ex-expand-filsyms |
| 1625 | (concat (shell-quote-argument ex-file) ex-cmdfile-args) | |
| 1626 | (current-buffer))) | |
| 52fa07ba MK |
1627 | (shell-command command t)) |
| 1628 | (insert-file-contents ex-file))) | |
| 328b4b70 | 1629 | (ex-fixup-history viper-last-ex-prompt ex-file ex-cmdfile-args)) |
| a1506d29 | 1630 | |
| 52fa07ba | 1631 | ;; this function fixes ex-history for some commands like ex-read, ex-edit |
| a1506d29 | 1632 | (defun ex-fixup-history (&rest args) |
| 8626cfa2 MK |
1633 | (setq viper-ex-history |
| 1634 | (cons (mapconcat 'identity args " ") (cdr viper-ex-history)))) | |
| a1506d29 | 1635 | |
| 52fa07ba MK |
1636 | |
| 1637 | ;; Ex recover from emacs \#file\# | |
| 1638 | (defun ex-recover () | |
| 8626cfa2 | 1639 | (viper-get-ex-file) |
| 52fa07ba | 1640 | (if (or ex-append ex-offset) |
| 8626cfa2 | 1641 | (error "`recover': %s" viper-SpuriousText)) |
| 52fa07ba MK |
1642 | (if (string= ex-file "") |
| 1643 | (progn | |
| 1644 | (if (null buffer-file-name) | |
| 1645 | (error "This buffer isn't visiting any file")) | |
| 1646 | (setq ex-file buffer-file-name)) | |
| 1647 | (setq ex-file (expand-file-name ex-file))) | |
| 1648 | (if (and (not (string= ex-file (buffer-file-name))) | |
| 1649 | (buffer-modified-p) | |
| 1650 | (not ex-variant)) | |
| 1651 | (error "No write since last change \(:rec! overrides\)")) | |
| 1652 | (recover-file ex-file)) | |
| 1653 | ||
| 1654 | ;; Tell that `rewind' is obsolete and to use `:next count' instead | |
| 1655 | (defun ex-rewind () | |
| 1656 | (message | |
| 3af0304a | 1657 | "Use `:n <count>' instead. Counts are obtained from the `:args' command")) |
| 52fa07ba MK |
1658 | |
| 1659 | ||
| 1660 | ;; read variable name for ex-set | |
| 1661 | (defun ex-set-read-variable () | |
| 1662 | (let ((minibuffer-local-completion-map | |
| 1663 | (copy-keymap minibuffer-local-completion-map)) | |
| 1664 | (cursor-in-echo-area t) | |
| 1665 | str batch) | |
| 1666 | (define-key | |
| 1667 | minibuffer-local-completion-map " " 'minibuffer-complete-and-exit) | |
| 1668 | (define-key minibuffer-local-completion-map "=" 'exit-minibuffer) | |
| 8626cfa2 | 1669 | (if (viper-set-unread-command-events |
| 52fa07ba MK |
1670 | (ex-get-inline-cmd-args "[ \t]*[a-zA-Z]*[ \t]*" nil "\C-m")) |
| 1671 | (progn | |
| 1672 | (setq batch t) | |
| 8626cfa2 | 1673 | (viper-set-unread-command-events ?\C-m))) |
| 52fa07ba MK |
1674 | (message ":set <Variable> [= <Value>]") |
| 1675 | (or batch (sit-for 2)) | |
| a1506d29 | 1676 | |
| 52fa07ba MK |
1677 | (while (string-match "^[ \\t\\n]*$" |
| 1678 | (setq str | |
| 1679 | (completing-read ":set " ex-variable-alist))) | |
| e36a387d | 1680 | (message ":set <Variable> [= <Value>]") |
| 52fa07ba | 1681 | ;; if there are unread events, don't wait |
| 8626cfa2 | 1682 | (or (viper-set-unread-command-events "") (sit-for 2)) |
| 52fa07ba MK |
1683 | ) ; while |
| 1684 | str)) | |
| 1685 | ||
| 1686 | ||
| 1687 | (defun ex-set () | |
| 1688 | (let ((var (ex-set-read-variable)) | |
| 1689 | (val 0) | |
| 1690 | (set-cmd "setq") | |
| 1691 | (ask-if-save t) | |
| 1692 | (auto-cmd-label "; don't touch or else...") | |
| 1693 | (delete-turn-on-auto-fill-pattern | |
| 2eb4bdca | 1694 | "([ \t]*add-hook[ \t]+'viper-insert-state-hook[ \t]+'turn-on-auto-fill.*)") |
| 52fa07ba MK |
1695 | actual-lisp-cmd lisp-cmd-del-pattern |
| 1696 | val2 orig-var) | |
| 1697 | (setq orig-var var) | |
| e36a387d MK |
1698 | (cond ((string= var "all") |
| 1699 | (setq ask-if-save nil | |
| 1700 | set-cmd nil)) | |
| 1701 | ((member var '("ai" "autoindent")) | |
| 8626cfa2 | 1702 | (setq var "viper-auto-indent" |
| 52fa07ba MK |
1703 | set-cmd "setq" |
| 1704 | ask-if-save nil | |
| 1705 | val "t")) | |
| e36a387d | 1706 | ((member var '("ai-g" "autoindent-global")) |
| 8626cfa2 MK |
1707 | (kill-local-variable 'viper-auto-indent) |
| 1708 | (setq var "viper-auto-indent" | |
| 52fa07ba MK |
1709 | set-cmd "setq-default" |
| 1710 | val "t")) | |
| 1711 | ((member var '("noai" "noautoindent")) | |
| 8626cfa2 | 1712 | (setq var "viper-auto-indent" |
| 52fa07ba MK |
1713 | ask-if-save nil |
| 1714 | val "nil")) | |
| e36a387d | 1715 | ((member var '("noai-g" "noautoindent-global")) |
| 8626cfa2 MK |
1716 | (kill-local-variable 'viper-auto-indent) |
| 1717 | (setq var "viper-auto-indent" | |
| 52fa07ba MK |
1718 | set-cmd "setq-default" |
| 1719 | val "nil")) | |
| 1720 | ((member var '("ic" "ignorecase")) | |
| 8626cfa2 | 1721 | (setq var "viper-case-fold-search" |
| 52fa07ba MK |
1722 | val "t")) |
| 1723 | ((member var '("noic" "noignorecase")) | |
| 8626cfa2 | 1724 | (setq var "viper-case-fold-search" |
| 52fa07ba MK |
1725 | val "nil")) |
| 1726 | ((member var '("ma" "magic")) | |
| 8626cfa2 | 1727 | (setq var "viper-re-search" |
| 52fa07ba | 1728 | val "t")) |
| e36a387d | 1729 | ((member var '("noma" "nomagic")) |
| 8626cfa2 | 1730 | (setq var "viper-re-search" |
| 52fa07ba MK |
1731 | val "nil")) |
| 1732 | ((member var '("ro" "readonly")) | |
| 1733 | (setq var "buffer-read-only" | |
| 1734 | val "t")) | |
| 1735 | ((member var '("noro" "noreadonly")) | |
| 1736 | (setq var "buffer-read-only" | |
| 1737 | val "nil")) | |
| 1738 | ((member var '("sm" "showmatch")) | |
| 1739 | (setq var "blink-matching-paren" | |
| 1740 | val "t")) | |
| 1741 | ((member var '("nosm" "noshowmatch")) | |
| 1742 | (setq var "blink-matching-paren" | |
| 1743 | val "nil")) | |
| 1744 | ((member var '("ws" "wrapscan")) | |
| 8626cfa2 | 1745 | (setq var "viper-search-wrap-around-t" |
| 52fa07ba MK |
1746 | val "t")) |
| 1747 | ((member var '("nows" "nowrapscan")) | |
| 8626cfa2 | 1748 | (setq var "viper-search-wrap-around-t" |
| 52fa07ba | 1749 | val "nil"))) |
| e36a387d | 1750 | (if (and set-cmd (eq val 0)) ; value must be set by the user |
| 52fa07ba MK |
1751 | (let ((cursor-in-echo-area t)) |
| 1752 | (message ":set %s = <Value>" var) | |
| 1753 | ;; if there are unread events, don't wait | |
| 8626cfa2 | 1754 | (or (viper-set-unread-command-events "") (sit-for 2)) |
| 52fa07ba MK |
1755 | (setq val (read-string (format ":set %s = " var))) |
| 1756 | (ex-fixup-history "set" orig-var val) | |
| a1506d29 | 1757 | |
| 52fa07ba MK |
1758 | ;; check numerical values |
| 1759 | (if (member var | |
| 1760 | '("sw" "shiftwidth" | |
| 1761 | "ts" "tabstop" | |
| e36a387d | 1762 | "ts-g" "tabstop-global" |
| a1506d29 | 1763 | "wm" "wrapmargin")) |
| 52fa07ba MK |
1764 | (condition-case nil |
| 1765 | (or (numberp (setq val2 (car (read-from-string val)))) | |
| 1766 | (error "%s: Invalid value, numberp, %S" var val)) | |
| 1767 | (error | |
| 1768 | (error "%s: Invalid value, numberp, %S" var val)))) | |
| a1506d29 | 1769 | |
| 52fa07ba MK |
1770 | (cond |
| 1771 | ((member var '("sw" "shiftwidth")) | |
| 8626cfa2 | 1772 | (setq var "viper-shift-width")) |
| 52fa07ba MK |
1773 | ((member var '("ts" "tabstop")) |
| 1774 | ;; make it take effect in curr buff and new bufs | |
| 1775 | (setq var "tab-width" | |
| 1776 | set-cmd "setq" | |
| 1777 | ask-if-save nil)) | |
| e36a387d | 1778 | ((member var '("ts-g" "tabstop-global")) |
| 52fa07ba MK |
1779 | (kill-local-variable 'tab-width) |
| 1780 | (setq var "tab-width" | |
| 1781 | set-cmd "setq-default")) | |
| 1782 | ((member var '("wm" "wrapmargin")) | |
| 1783 | ;; make it take effect in curr buff and new bufs | |
| a1506d29 JB |
1784 | (kill-local-variable 'fill-column) |
| 1785 | (setq var "fill-column" | |
| 52fa07ba MK |
1786 | val (format "(- (window-width) %s)" val) |
| 1787 | set-cmd "setq-default")) | |
| 1788 | ((member var '("sh" "shell")) | |
| 1789 | (setq var "explicit-shell-file-name" | |
| 1790 | val (format "\"%s\"" val))))) | |
| 1791 | (ex-fixup-history "set" orig-var)) | |
| a1506d29 | 1792 | |
| e36a387d MK |
1793 | (if set-cmd |
| 1794 | (setq actual-lisp-cmd | |
| 1795 | (format "\n(%s %s %s) %s" set-cmd var val auto-cmd-label) | |
| 1796 | lisp-cmd-del-pattern | |
| 1797 | (format "^\n?[ \t]*([ \t]*%s[ \t]+%s[ \t].*)[ \t]*%s" | |
| 1798 | set-cmd var auto-cmd-label))) | |
| a1506d29 | 1799 | |
| 52fa07ba MK |
1800 | (if (and ask-if-save |
| 1801 | (y-or-n-p (format "Do you want to save this setting in %s " | |
| 8626cfa2 | 1802 | viper-custom-file-name))) |
| 52fa07ba | 1803 | (progn |
| a1506d29 | 1804 | (viper-save-string-in-file |
| 8626cfa2 | 1805 | actual-lisp-cmd viper-custom-file-name |
| 52fa07ba MK |
1806 | ;; del pattern |
| 1807 | lisp-cmd-del-pattern) | |
| 1808 | (if (string= var "fill-column") | |
| 1809 | (if (> val2 0) | |
| 8626cfa2 | 1810 | (viper-save-string-in-file |
| 52fa07ba | 1811 | (concat |
| 2eb4bdca | 1812 | "(add-hook 'viper-insert-state-hook 'turn-on-auto-fill) " |
| 52fa07ba | 1813 | auto-cmd-label) |
| 8626cfa2 | 1814 | viper-custom-file-name |
| 52fa07ba | 1815 | delete-turn-on-auto-fill-pattern) |
| 8626cfa2 MK |
1816 | (viper-save-string-in-file |
| 1817 | nil viper-custom-file-name delete-turn-on-auto-fill-pattern) | |
| 1818 | (viper-save-string-in-file | |
| 1819 | nil viper-custom-file-name | |
| 52fa07ba MK |
1820 | ;; del pattern |
| 1821 | lisp-cmd-del-pattern) | |
| 1822 | )) | |
| 1823 | )) | |
| a1506d29 | 1824 | |
| e36a387d MK |
1825 | (if set-cmd |
| 1826 | (message "%s %s %s" | |
| 1827 | set-cmd var | |
| 1828 | (if (string-match "^[ \t]*$" val) | |
| 1829 | (format "%S" val) | |
| 1830 | val))) | |
| 1831 | (if actual-lisp-cmd | |
| 1832 | (eval (car (read-from-string actual-lisp-cmd)))) | |
| 1833 | (if (string= var "fill-column") | |
| 1834 | (if (> val2 0) | |
| 1835 | (auto-fill-mode 1) | |
| 1836 | (auto-fill-mode -1))) | |
| 1837 | (if (string= var "all") (ex-show-vars)) | |
| 52fa07ba | 1838 | )) |
| 6c2e12f4 | 1839 | |
| 52fa07ba MK |
1840 | ;; In inline args, skip regex-forw and (optionally) chars-back. |
| 1841 | ;; Optional 3d arg is a string that should replace ' ' to prevent its | |
| 1842 | ;; special meaning | |
| 1843 | (defun ex-get-inline-cmd-args (regex-forw &optional chars-back replace-str) | |
| 1844 | (save-excursion | |
| a1506d29 | 1845 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 8626cfa2 | 1846 | (set-buffer viper-ex-work-buf) |
| 52fa07ba MK |
1847 | (goto-char (point-min)) |
| 1848 | (re-search-forward regex-forw nil t) | |
| 1849 | (let ((beg (point)) | |
| 1850 | end) | |
| 1851 | (goto-char (point-max)) | |
| 1852 | (if chars-back | |
| 1853 | (skip-chars-backward chars-back) | |
| 1854 | (skip-chars-backward " \t\n\C-m")) | |
| 1855 | (setq end (point)) | |
| 1856 | ;; replace SPC with `=' to suppress the special meaning SPC has | |
| 1857 | ;; in Ex commands | |
| 1858 | (goto-char beg) | |
| 1859 | (if replace-str | |
| 1860 | (while (re-search-forward " +" nil t) | |
| 1861 | (replace-match replace-str nil t) | |
| 8626cfa2 | 1862 | (viper-forward-char-carefully))) |
| 52fa07ba MK |
1863 | (goto-char end) |
| 1864 | (buffer-substring beg end)))) | |
| 1865 | ||
| 1866 | ||
| 1867 | ;; Ex shell command | |
| 1868 | (defun ex-shell () | |
| 1869 | (shell)) | |
| a1506d29 | 1870 | |
| 3af0304a | 1871 | ;; Viper help. Invokes Info |
| 52fa07ba MK |
1872 | (defun ex-help () |
| 1873 | (condition-case nil | |
| 1874 | (progn | |
| 1875 | (pop-to-buffer (get-buffer-create "*info*")) | |
| e83d1fe8 | 1876 | (info (if (featurep 'xemacs) "viper.info" "viper")) |
| 52fa07ba MK |
1877 | (message "Type `i' to search for a specific topic")) |
| 1878 | (error (beep 1) | |
| 8626cfa2 | 1879 | (with-output-to-temp-buffer " *viper-info*" |
| 52fa07ba MK |
1880 | (princ (format " |
| 1881 | The Info file for Viper does not seem to be installed. | |
| 1882 | ||
| 1883 | This file is part of the standard distribution of %sEmacs. | |
| 1884 | Please contact your system administrator. " | |
| e83d1fe8 | 1885 | (if (featurep 'xemacs) "X" "") |
| 52fa07ba MK |
1886 | )))))) |
| 1887 | ||
| 3af0304a | 1888 | ;; Ex source command. Loads the file specified as argument or `~/.viper' |
| 52fa07ba | 1889 | (defun ex-source () |
| 8626cfa2 | 1890 | (viper-get-ex-file) |
| 52fa07ba | 1891 | (if (string= ex-file "") |
| 8626cfa2 | 1892 | (load viper-custom-file-name) |
| 52fa07ba MK |
1893 | (load ex-file))) |
| 1894 | ||
| 1895 | ;; Ex substitute command | |
| 8626cfa2 | 1896 | ;; If REPEAT use previous regexp which is ex-reg-exp or viper-s-string |
| a1506d29 | 1897 | (defun ex-substitute (&optional repeat r-flag) |
| 52fa07ba MK |
1898 | (let ((opt-g nil) |
| 1899 | (opt-c nil) | |
| 1900 | (matched-pos nil) | |
| 8626cfa2 | 1901 | (case-fold-search viper-case-fold-search) |
| 52fa07ba | 1902 | delim pat repl) |
| 8626cfa2 | 1903 | (if repeat (setq ex-token nil) (setq delim (viper-get-ex-pat))) |
| 52fa07ba MK |
1904 | (if (null ex-token) |
| 1905 | (progn | |
| 8626cfa2 | 1906 | (setq pat (if r-flag viper-s-string ex-reg-exp)) |
| 52fa07ba MK |
1907 | (or (stringp pat) |
| 1908 | (error "No previous pattern to use in substitution")) | |
| 1909 | (setq repl ex-repl | |
| 1910 | delim (string-to-char pat))) | |
| 8626cfa2 MK |
1911 | (setq pat (if (string= ex-token "") viper-s-string ex-token)) |
| 1912 | (setq viper-s-string pat | |
| 52fa07ba | 1913 | ex-reg-exp pat) |
| 8626cfa2 | 1914 | (setq delim (viper-get-ex-pat)) |
| 52fa07ba MK |
1915 | (if (null ex-token) |
| 1916 | (setq ex-token "" | |
| 1917 | ex-repl "") | |
| 1918 | (setq repl ex-token | |
| 1919 | ex-repl ex-token))) | |
| 8626cfa2 | 1920 | (while (viper-get-ex-opt-gc delim) |
| 52fa07ba | 1921 | (if (string= ex-token "g") (setq opt-g t) (setq opt-c t))) |
| 8626cfa2 | 1922 | (viper-get-ex-count) |
| 52fa07ba MK |
1923 | (if ex-count |
| 1924 | (save-excursion | |
| 1925 | (if ex-addresses (goto-char (car ex-addresses))) | |
| 1926 | (set-mark (point)) | |
| 1927 | (forward-line (1- ex-count)) | |
| 1928 | (setq ex-addresses (cons (point) (cons (mark t) nil)))) | |
| 1929 | (if (null ex-addresses) | |
| 1930 | (setq ex-addresses (cons (point) (cons (point) nil))) | |
| 1931 | (if (null (cdr ex-addresses)) | |
| 1932 | (setq ex-addresses (cons (car ex-addresses) ex-addresses))))) | |
| 1933 | ;(setq G opt-g) | |
| 1934 | (let ((beg (car ex-addresses)) | |
| 1935 | (end (car (cdr ex-addresses))) | |
| 1936 | eol-mark) | |
| 1937 | (save-excursion | |
| 8626cfa2 | 1938 | (viper-enlarge-region beg end) |
| 52fa07ba MK |
1939 | (let ((limit (save-excursion |
| 1940 | (goto-char (max (point) (mark t))) | |
| 1941 | (point-marker)))) | |
| 1942 | (goto-char (min (point) (mark t))) | |
| 1943 | (while (< (point) limit) | |
| 2eb4bdca MK |
1944 | (save-excursion |
| 1945 | (end-of-line) | |
| 1946 | ;; This move allows the use of newline as the last character in | |
| 1947 | ;; the substitution pattern | |
| 1948 | (viper-forward-char-carefully) | |
| 1949 | (setq eol-mark (point-marker))) | |
| 52fa07ba MK |
1950 | (beginning-of-line) |
| 1951 | (if opt-g | |
| 1952 | (progn | |
| 1953 | (while (and (not (eolp)) | |
| 1954 | (re-search-forward pat eol-mark t)) | |
| d35bee0e MK |
1955 | (if (or (not opt-c) |
| 1956 | (progn | |
| 1957 | (viper-put-on-search-overlay (match-beginning 0) | |
| 1958 | (match-end 0)) | |
| 1959 | (y-or-n-p "Replace? "))) | |
| 52fa07ba | 1960 | (progn |
| d35bee0e | 1961 | (viper-hide-search-overlay) |
| 52fa07ba MK |
1962 | (setq matched-pos (point)) |
| 1963 | (if (not (stringp repl)) | |
| 1964 | (error "Can't perform Ex substitution: No previous replacement pattern")) | |
| 1965 | (replace-match repl t)))) | |
| 1966 | (end-of-line) | |
| 8626cfa2 | 1967 | (viper-forward-char-carefully)) |
| 52fa07ba MK |
1968 | (if (null pat) |
| 1969 | (error | |
| 1970 | "Can't repeat Ex substitution: No previous regular expression")) | |
| 1971 | (if (and (re-search-forward pat eol-mark t) | |
| d35bee0e MK |
1972 | (or (not opt-c) |
| 1973 | (progn | |
| 1974 | (viper-put-on-search-overlay (match-beginning 0) | |
| 1975 | (match-end 0)) | |
| 1976 | (y-or-n-p "Replace? ")))) | |
| 52fa07ba | 1977 | (progn |
| d35bee0e | 1978 | (viper-hide-search-overlay) |
| 52fa07ba MK |
1979 | (setq matched-pos (point)) |
| 1980 | (if (not (stringp repl)) | |
| 1981 | (error "Can't perform Ex substitution: No previous replacement pattern")) | |
| 1982 | (replace-match repl t))) | |
| 2eb4bdca MK |
1983 | ;;(end-of-line) |
| 1984 | ;;(viper-forward-char-carefully) | |
| 1985 | (goto-char eol-mark) | |
| 1986 | ))))) | |
| 52fa07ba MK |
1987 | (if matched-pos (goto-char matched-pos)) |
| 1988 | (beginning-of-line) | |
| 1989 | (if opt-c (message "done")))) | |
| 8f2685cb | 1990 | |
| 52fa07ba MK |
1991 | ;; Ex tag command |
| 1992 | (defun ex-tag () | |
| 1993 | (let (tag) | |
| 1994 | (save-window-excursion | |
| a1506d29 | 1995 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 8626cfa2 | 1996 | (set-buffer viper-ex-work-buf) |
| 52fa07ba MK |
1997 | (skip-chars-forward " \t") |
| 1998 | (set-mark (point)) | |
| 1999 | (skip-chars-forward "^ |\t\n") | |
| 2000 | (setq tag (buffer-substring (mark t) (point)))) | |
| 2001 | (if (not (string= tag "")) (setq ex-tag tag)) | |
| 8626cfa2 | 2002 | (viper-change-state-to-emacs) |
| 52fa07ba MK |
2003 | (condition-case conds |
| 2004 | (progn | |
| 2005 | (if (string= tag "") | |
| 2006 | (find-tag ex-tag t) | |
| 2007 | (find-tag-other-window ex-tag)) | |
| 8626cfa2 | 2008 | (viper-change-state-to-vi)) |
| 52fa07ba | 2009 | (error |
| 8626cfa2 MK |
2010 | (viper-change-state-to-vi) |
| 2011 | (viper-message-conditions conds))))) | |
| bbe6126c | 2012 | |
| 52fa07ba | 2013 | ;; Ex write command |
| 3af0304a | 2014 | ;; ex-write doesn't support wildcards, because file completion is a better |
| a1506d29 | 2015 | ;; mechanism. We also don't support # and % |
| 3af0304a | 2016 | ;; because file history is a better mechanism. |
| 52fa07ba | 2017 | (defun ex-write (q-flag) |
| 8626cfa2 MK |
2018 | (viper-default-ex-addresses t) |
| 2019 | (viper-get-ex-file) | |
| 9b70a748 | 2020 | (let ((end (car ex-addresses)) |
| a1506d29 | 2021 | (beg (car (cdr ex-addresses))) |
| 9b70a748 | 2022 | (orig-buf (current-buffer)) |
| 50a07e18 MK |
2023 | ;;(orig-buf-file-name (buffer-file-name)) |
| 2024 | ;;(orig-buf-name (buffer-name)) | |
| 2025 | ;;(buff-changed-p (buffer-modified-p)) | |
| 52fa07ba MK |
2026 | temp-buf writing-same-file region |
| 2027 | file-exists writing-whole-file) | |
| 8626cfa2 | 2028 | (if (> beg end) (error viper-FirstAddrExceedsSecond)) |
| 52fa07ba MK |
2029 | (if ex-cmdfile |
| 2030 | (progn | |
| 8626cfa2 | 2031 | (viper-enlarge-region beg end) |
| a1506d29 | 2032 | (shell-command-on-region (point) (mark t) |
| 328b4b70 | 2033 | (concat ex-file ex-cmdfile-args))) |
| 52fa07ba MK |
2034 | (if (and (string= ex-file "") (not (buffer-file-name))) |
| 2035 | (setq ex-file | |
| 2036 | (read-file-name | |
| 3af0304a | 2037 | (format "Buffer %s isn't visiting any file. File to save in: " |
| 52fa07ba | 2038 | (buffer-name))))) |
| a1506d29 | 2039 | |
| 52fa07ba MK |
2040 | (setq writing-whole-file (and (= (point-min) beg) (= (point-max) end)) |
| 2041 | ex-file (if (string= ex-file "") | |
| 2042 | (buffer-file-name) | |
| 2043 | (expand-file-name ex-file))) | |
| 2044 | ;; if ex-file is a directory use the file portion of the buffer file name | |
| 2045 | (if (and (file-directory-p ex-file) | |
| 2046 | buffer-file-name | |
| 2047 | (not (file-directory-p buffer-file-name))) | |
| 2048 | (setq ex-file | |
| 9b70a748 MK |
2049 | (concat (file-name-as-directory ex-file) |
| 2050 | (file-name-nondirectory buffer-file-name)))) | |
| a1506d29 | 2051 | |
| 52fa07ba MK |
2052 | (setq file-exists (file-exists-p ex-file) |
| 2053 | writing-same-file (string= ex-file (buffer-file-name))) | |
| 2054 | ||
| 2eb4bdca | 2055 | ;; do actual writing |
| 52fa07ba | 2056 | (if (and writing-whole-file writing-same-file) |
| 2eb4bdca | 2057 | ;; saving whole buffer in visited file |
| 52fa07ba MK |
2058 | (if (not (buffer-modified-p)) |
| 2059 | (message "(No changes need to be saved)") | |
| 2eb4bdca | 2060 | (viper-maybe-checkout (current-buffer)) |
| 52fa07ba | 2061 | (save-buffer) |
| 9b70a748 MK |
2062 | (save-restriction |
| 2063 | (widen) | |
| 2064 | (ex-write-info file-exists ex-file (point-min) (point-max)) | |
| 2065 | )) | |
| 2eb4bdca MK |
2066 | ;; writing to non-visited file and it already exists |
| 2067 | (if (and file-exists (not writing-same-file) | |
| 2068 | (not (yes-or-no-p | |
| 3af0304a | 2069 | (format "File %s exists. Overwrite? " ex-file)))) |
| 2eb4bdca MK |
2070 | (error "Quit")) |
| 2071 | ;; writing a region or whole buffer to non-visited file | |
| a1506d29 | 2072 | (unwind-protect |
| 2eb4bdca MK |
2073 | (save-excursion |
| 2074 | (viper-enlarge-region beg end) | |
| 2075 | (setq region (buffer-substring (point) (mark t))) | |
| 2076 | ;; create temp buffer for the region | |
| 2077 | (setq temp-buf (get-buffer-create " *ex-write*")) | |
| 2078 | (set-buffer temp-buf) | |
| 2ee00512 MK |
2079 | (if (featurep 'xemacs) |
| 2080 | (set-visited-file-name ex-file) | |
| b94f99c8 | 2081 | (set-visited-file-name ex-file 'noquery)) |
| 2eb4bdca MK |
2082 | (erase-buffer) |
| 2083 | (if (and file-exists ex-append) | |
| 2084 | (insert-file-contents ex-file)) | |
| 2085 | (goto-char (point-max)) | |
| 2086 | (insert region) | |
| 2087 | ;; ask user | |
| 2088 | (viper-maybe-checkout (current-buffer)) | |
| fc290d1d | 2089 | (setq selective-display nil) |
| 2eb4bdca MK |
2090 | (save-buffer) |
| 2091 | (ex-write-info | |
| 2092 | file-exists ex-file (point-min) (point-max)) | |
| 2093 | ) | |
| 2094 | ;; this must be under unwind-protect so that | |
| 2095 | ;; temp-buf will be deleted in case of an error | |
| 2096 | (set-buffer temp-buf) | |
| 2097 | (set-buffer-modified-p nil) | |
| 2098 | (kill-buffer temp-buf) | |
| 2099 | ;; buffer/region has been written, now take care of details | |
| 2100 | (set-buffer orig-buf))) | |
| 2101 | ;; set the right file modification time | |
| 52fa07ba MK |
2102 | (if (and (buffer-file-name) writing-same-file) |
| 2103 | (set-visited-file-modtime)) | |
| 2eb4bdca | 2104 | ;; prevent loss of data if saving part of the buffer in visited file |
| a1506d29 | 2105 | (or writing-whole-file |
| 52fa07ba | 2106 | (not writing-same-file) |
| 2eb4bdca MK |
2107 | (progn |
| 2108 | (sit-for 2) | |
| 2109 | (message "Warning: you have saved only part of the buffer!") | |
| 2110 | (set-buffer-modified-p t))) | |
| 52fa07ba | 2111 | (if q-flag |
| 1e70790f | 2112 | (if (< viper-expert-level 2) |
| 52fa07ba MK |
2113 | (save-buffers-kill-emacs) |
| 2114 | (kill-buffer (current-buffer)))) | |
| 2115 | ))) | |
| a1506d29 | 2116 | |
| bbe6126c | 2117 | |
| 52fa07ba MK |
2118 | (defun ex-write-info (exists file-name beg end) |
| 2119 | (message "`%s'%s %d lines, %d characters" | |
| 8626cfa2 | 2120 | (viper-abbreviate-file-name file-name) |
| 52fa07ba MK |
2121 | (if exists "" " [New file]") |
| 2122 | (count-lines beg (min (1+ end) (point-max))) | |
| 2123 | (- end beg))) | |
| 2124 | ||
| 2125 | ;; Ex yank command | |
| 2126 | (defun ex-yank () | |
| 8626cfa2 MK |
2127 | (viper-default-ex-addresses) |
| 2128 | (viper-get-ex-buffer) | |
| 52fa07ba | 2129 | (let ((end (car ex-addresses)) (beg (car (cdr ex-addresses)))) |
| 8626cfa2 | 2130 | (if (> beg end) (error viper-FirstAddrExceedsSecond)) |
| 52fa07ba | 2131 | (save-excursion |
| 8626cfa2 | 2132 | (viper-enlarge-region beg end) |
| 52fa07ba MK |
2133 | (exchange-point-and-mark) |
| 2134 | (if (or ex-g-flag ex-g-variant) | |
| 2135 | (error "Can't execute `yank' within `global'")) | |
| 2136 | (if ex-count | |
| bbe6126c | 2137 | (progn |
| 52fa07ba MK |
2138 | (set-mark (point)) |
| 2139 | (forward-line (1- ex-count))) | |
| 2140 | (set-mark end)) | |
| 8626cfa2 MK |
2141 | (viper-enlarge-region (point) (mark t)) |
| 2142 | (if ex-flag (error "`yank': %s" viper-SpuriousText)) | |
| 52fa07ba | 2143 | (if ex-buffer |
| 8626cfa2 MK |
2144 | (cond ((viper-valid-register ex-buffer '(Letter)) |
| 2145 | (viper-append-to-register | |
| 52fa07ba | 2146 | (downcase ex-buffer) (point) (mark t))) |
| 8626cfa2 | 2147 | ((viper-valid-register ex-buffer) |
| 52fa07ba | 2148 | (copy-to-register ex-buffer (point) (mark t) nil)) |
| 8626cfa2 | 2149 | (t (error viper-InvalidRegister ex-buffer)))) |
| 52fa07ba MK |
2150 | (copy-region-as-kill (point) (mark t))))) |
| 2151 | ||
| 2152 | ;; Execute shell command | |
| 2153 | (defun ex-command () | |
| 2154 | (let (command) | |
| 2155 | (save-window-excursion | |
| a1506d29 | 2156 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 8626cfa2 | 2157 | (set-buffer viper-ex-work-buf) |
| 52fa07ba MK |
2158 | (skip-chars-forward " \t") |
| 2159 | (setq command (buffer-substring (point) (point-max))) | |
| 2160 | (end-of-line)) | |
| 3af0304a | 2161 | ;; replace # and % with the previous/current file |
| 52fa07ba MK |
2162 | (setq command (ex-expand-filsyms command (current-buffer))) |
| 2163 | (if (and (> (length command) 0) (string= "!" (substring command 0 1))) | |
| 8626cfa2 MK |
2164 | (if viper-ex-last-shell-com |
| 2165 | (setq command | |
| 2166 | (concat viper-ex-last-shell-com (substring command 1))) | |
| 52fa07ba | 2167 | (error "No previous shell command"))) |
| 8626cfa2 | 2168 | (setq viper-ex-last-shell-com command) |
| 52fa07ba MK |
2169 | (if (null ex-addresses) |
| 2170 | (shell-command command) | |
| 2171 | (let ((end (car ex-addresses)) (beg (car (cdr ex-addresses)))) | |
| 2172 | (if (null beg) (setq beg end)) | |
| 6c2e12f4 | 2173 | (save-excursion |
| 52fa07ba MK |
2174 | (goto-char beg) |
| 2175 | (set-mark end) | |
| 8626cfa2 | 2176 | (viper-enlarge-region (point) (mark t)) |
| 52fa07ba MK |
2177 | (shell-command-on-region (point) (mark t) command t)) |
| 2178 | (goto-char beg))))) | |
| 2179 | ||
| 4960e757 MK |
2180 | (defun ex-compile () |
| 2181 | "Reads args from the command line, then runs make with the args. | |
| 2182 | If no args are given, then it runs the last compile command. | |
| 2183 | Type 'mak ' (including the space) to run make with no args." | |
| 2184 | (let (args) | |
| 2185 | (save-window-excursion | |
| 2186 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) | |
| 2187 | (set-buffer viper-ex-work-buf) | |
| 2188 | (setq args (buffer-substring (point) (point-max))) | |
| 2189 | (end-of-line)) | |
| 2190 | ;; Remove the newline that may (will?) be at the end of the args | |
| 2191 | (if (string= "\n" (substring args (1- (length args)))) | |
| 2192 | (setq args (substring args 0 (1- (length args))))) | |
| 2193 | ;; Run last command if no args given, else construct a new command. | |
| 2194 | (setq args | |
| 2195 | (if (string= "" args) | |
| 2196 | (if (boundp 'compile-command) | |
| 2197 | compile-command | |
| 2198 | ex-compile-command) | |
| 2199 | (concat ex-compile-command " " args))) | |
| 2200 | (compile args) | |
| 2201 | )) | |
| 2202 | ||
| 52fa07ba MK |
2203 | ;; Print line number |
| 2204 | (defun ex-line-no () | |
| 2205 | (message "%d" | |
| 2206 | (1+ (count-lines | |
| 2207 | (point-min) | |
| 2208 | (if (null ex-addresses) (point-max) (car ex-addresses)))))) | |
| 2209 | ||
| 2210 | ;; Give information on the file visited by the current buffer | |
| 8626cfa2 | 2211 | (defun viper-info-on-file () |
| 6c2e12f4 | 2212 | (interactive) |
| 8626cfa2 MK |
2213 | (let ((pos1 (viper-line-pos 'start)) |
| 2214 | (pos2 (viper-line-pos 'end)) | |
| 52fa07ba | 2215 | lines file info) |
| 8626cfa2 | 2216 | (setq lines (count-lines (point-min) (viper-line-pos 'end)) |
| 65efc538 MK |
2217 | file (cond ((buffer-file-name) |
| 2218 | (concat (viper-abbreviate-file-name (buffer-file-name)) ":")) | |
| 2219 | ((buffer-file-name (buffer-base-buffer)) | |
| 2220 | (concat (viper-abbreviate-file-name (buffer-file-name (buffer-base-buffer))) " (indirect buffer):")) | |
| 2221 | (t (concat (buffer-name) " [Not visiting any file]:"))) | |
| 52fa07ba MK |
2222 | info (format "line=%d/%d pos=%d/%d col=%d %s" |
| 2223 | (if (= pos1 pos2) | |
| 2224 | (1+ lines) | |
| 2225 | lines) | |
| 2226 | (count-lines (point-min) (point-max)) | |
| 2227 | (point) (1- (point-max)) | |
| 2228 | (1+ (current-column)) | |
| 2229 | (if (buffer-modified-p) "[Modified]" "[Unchanged]"))) | |
| 2230 | (if (< (+ 1 (length info) (length file)) | |
| 2231 | (window-width (minibuffer-window))) | |
| 7b8a295e | 2232 | (message "%s" (concat file " " info)) |
| 52fa07ba | 2233 | (save-window-excursion |
| 8626cfa2 | 2234 | (with-output-to-temp-buffer " *viper-info*" |
| 8e41a31c MK |
2235 | (princ (concat "\n" file "\n\n\t" info "\n\n"))) |
| 2236 | (let ((inhibit-quit t)) | |
| 2237 | (viper-set-unread-command-events (viper-read-event))) | |
| 8626cfa2 | 2238 | (kill-buffer " *viper-info*"))) |
| fad2477b | 2239 | )) |
| 6c2e12f4 | 2240 | |
| b9fe4732 MK |
2241 | |
| 2242 | ;; Without arguments displays info on file. With an arg, sets the visited file | |
| 2243 | ;; name to that arg | |
| 2244 | (defun ex-set-visited-file-name () | |
| 2245 | (viper-get-ex-file) | |
| 2246 | (if (string= ex-file "") | |
| 2247 | (viper-info-on-file) | |
| 2248 | ;; If ex-file is a directory, use the file portion of the buffer | |
| 2249 | ;; file name (like ex-write). Do this even if ex-file is a | |
| 2250 | ;; non-existent directory, since set-visited-file-name signals an | |
| 2251 | ;; error on this condition, too. | |
| 2252 | (if (and (string= (file-name-nondirectory ex-file) "") | |
| 2253 | buffer-file-name | |
| 2254 | (not (file-directory-p buffer-file-name))) | |
| 2255 | (setq ex-file (concat (file-name-as-directory ex-file) | |
| 2256 | (file-name-nondirectory buffer-file-name)))) | |
| 2257 | (set-visited-file-name ex-file))) | |
| 2258 | ||
| 2259 | ||
| e36a387d MK |
2260 | ;; display all variables set through :set |
| 2261 | (defun ex-show-vars () | |
| 8626cfa2 MK |
2262 | (with-output-to-temp-buffer " *viper-info*" |
| 2263 | (princ (if viper-auto-indent | |
| e36a387d | 2264 | "autoindent (local)\n" "noautoindent (local)\n")) |
| a1506d29 | 2265 | (princ (if (default-value 'viper-auto-indent) |
| e36a387d | 2266 | "autoindent (global) \n" "noautoindent (global) \n")) |
| 8626cfa2 MK |
2267 | (princ (if viper-case-fold-search "ignorecase\n" "noignorecase\n")) |
| 2268 | (princ (if viper-re-search "magic\n" "nomagic\n")) | |
| e36a387d MK |
2269 | (princ (if buffer-read-only "readonly\n" "noreadonly\n")) |
| 2270 | (princ (if blink-matching-paren "showmatch\n" "noshowmatch\n")) | |
| 8626cfa2 MK |
2271 | (princ (if viper-search-wrap-around-t "wrapscan\n" "nowrapscan\n")) |
| 2272 | (princ (format "shiftwidth \t\t= %S\n" viper-shift-width)) | |
| e36a387d MK |
2273 | (princ (format "tabstop (local) \t= %S\n" tab-width)) |
| 2274 | (princ (format "tabstop (global) \t= %S\n" (default-value 'tab-width))) | |
| 2275 | (princ (format "wrapmargin (local) \t= %S\n" | |
| 2276 | (- (window-width) fill-column))) | |
| 2277 | (princ (format "wrapmargin (global) \t= %S\n" | |
| 2278 | (- (window-width) (default-value 'fill-column)))) | |
| 2279 | (princ (format "shell \t\t\t= %S\n" (if (boundp 'explicit-shell-file-name) | |
| 2280 | explicit-shell-file-name | |
| 2281 | 'none))) | |
| 2282 | )) | |
| 2283 | ||
| 241d963d MK |
2284 | (defun ex-print () |
| 2285 | (viper-default-ex-addresses) | |
| 2286 | (let ((end (car ex-addresses)) | |
| 2287 | (beg (car (cdr ex-addresses)))) | |
| 2288 | (if (> beg end) (error viper-FirstAddrExceedsSecond)) | |
| 2289 | (save-excursion | |
| 2290 | (viper-enlarge-region beg end) | |
| 2291 | (if (or ex-g-flag ex-g-variant) | |
| 2292 | ;; When executing a global command, collect output of each | |
| 2293 | ;; print in viper-ex-print-buf. | |
| 2294 | (progn | |
| 2295 | (append-to-buffer viper-ex-print-buf (point) (mark t)) | |
| 2296 | ;; Is this the last mark for the global command? | |
| 2297 | (unless (cdr ex-g-marks) | |
| 2298 | (with-current-buffer viper-ex-print-buf | |
| 2299 | (ex-print-display-lines (buffer-string)) | |
| 2300 | (erase-buffer)))) | |
| 2301 | (ex-print-display-lines (buffer-substring (point) (mark t))))))) | |
| 2302 | ||
| 2303 | (defun ex-print-display-lines (lines) | |
| 2304 | (cond | |
| 2305 | ;; String doesn't contain a newline. | |
| 2306 | ((not (string-match "\n" lines)) | |
| 2307 | (message "%s" lines)) | |
| 2308 | ;; String contains only one newline at the end. Strip it off. | |
| 2309 | ((= (string-match "\n" lines) (1- (length lines))) | |
| 2310 | (message "%s" (substring lines 0 -1))) | |
| 2311 | ;; String spans more than one line. Use a temporary buffer. | |
| 2312 | (t | |
| 2313 | (save-current-buffer | |
| 2314 | (with-output-to-temp-buffer " *viper-info*" | |
| 2315 | (princ lines)))))) | |
| 2316 | ||
| e36a387d MK |
2317 | |
| 2318 | ||
| 2319 | ||
| 6c2e12f4 | 2320 | |
| ab5796a9 | 2321 | ;;; arch-tag: 56b80d36-f880-4d10-bd66-85ad91a295db |
| 60370d40 | 2322 | ;;; viper-ex.el ends here |