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, |
| f0fa15c5 | 4 | ;; 2004, 2005, 2006, 2007 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 | |
| 49 | (let ((load-path (cons (expand-file-name ".") load-path))) | |
| 50 | (or (featurep 'viper-util) | |
| 51 | (load "viper-util.el" nil nil 'nosuffix)) | |
| 52 | (or (featurep 'viper-keym) | |
| 53 | (load "viper-keym.el" nil nil 'nosuffix)) | |
| 54 | (or (featurep 'viper-cmd) | |
| 55 | (load "viper-cmd.el" nil nil 'nosuffix)) | |
| 56 | ))) | |
| 9b70a748 MK |
57 | ;; end pacifier |
| 58 | ||
| 59 | (require 'viper-util) | |
| 60 | ||
| 1e70790f | 61 | (defgroup viper-ex nil |
| 87c81c89 | 62 | "Viper support for Ex commands." |
| 1e70790f MK |
63 | :prefix "ex-" |
| 64 | :group 'viper) | |
| 65 | ||
| 66 | ||
| 03fc1246 | 67 | |
| 6c2e12f4 | 68 | ;;; Variables |
| bbe6126c | 69 | |
| 8626cfa2 | 70 | (defconst viper-ex-work-buf-name " *ex-working-space*") |
| e07ff078 | 71 | (defvar viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 8626cfa2 | 72 | (defconst viper-ex-tmp-buf-name " *ex-tmp*") |
| 241d963d | 73 | (defconst viper-ex-print-buf-name " *ex-print*") |
| e07ff078 | 74 | (defvar viper-ex-print-buf (get-buffer-create viper-ex-print-buf-name)) |
| 52fa07ba MK |
75 | |
| 76 | ||
| 4986c2c6 MK |
77 | ;;; ex-commands... |
| 78 | ||
| 79 | (defun ex-cmd-obsolete (name) | |
| 80 | (error "`%s': Obsolete command, not supported by Viper" name)) | |
| 81 | ||
| 82 | (defun ex-cmd-not-yet (name) | |
| 83 | (error "`%s': Command not implemented in Viper" name)) | |
| 84 | ||
| 85 | ;; alist entries: name (in any order), command, cont(??) | |
| 86 | ;; If command is a string, then that is an alias to the real command | |
| 87 | ;; to execute (for instance, ":m" -> ":move"). | |
| 88 | ;; command attributes: | |
| 89 | ;; is-mashed: the command's args may be jammed right up against the command | |
| 90 | ;; one-letter: this is a one-letter token. Any text appearing after | |
| 91 | ;; the name gets appended as an argument for the command | |
| 92 | ;; i.e. ":kabc" gets turned into (ex-mark "abc") | |
| 93 | (defconst ex-token-alist '( | |
| 94 | ("!" (ex-command)) | |
| 95 | ("&" (ex-substitute t)) | |
| 96 | ("=" (ex-line-no)) | |
| 97 | (">" (ex-line "right")) | |
| 98 | ("<" (ex-line "left")) | |
| 99 | ("Buffer" (if ex-cycle-other-window | |
| 100 | (viper-switch-to-buffer) | |
| 101 | (viper-switch-to-buffer-other-window))) | |
| 102 | ("Next" (ex-next (not ex-cycle-other-window))) | |
| 103 | ("PreviousRelatedFile" (ex-next-related-buffer -1)) | |
| 104 | ("RelatedFile" (ex-next-related-buffer 1)) | |
| 105 | ("W" "Write") | |
| 106 | ("WWrite" (save-some-buffers t)) | |
| 107 | ("Write" (save-some-buffers)) | |
| 108 | ("a" "append") | |
| 109 | ("args" (ex-args)) | |
| 110 | ("buffer" (if ex-cycle-other-window | |
| 111 | (viper-switch-to-buffer-other-window) | |
| 112 | (viper-switch-to-buffer))) | |
| 113 | ("c" "change") | |
| 114 | ;; ch should be "change" but maintain old viper compatibility | |
| 115 | ("ch" "chdir") | |
| 116 | ("cd" (ex-cd)) | |
| 117 | ("chdir" (ex-cd)) | |
| 118 | ("copy" (ex-copy nil)) | |
| 119 | ("customize" (customize-group "viper")) | |
| 120 | ("delete" (ex-delete)) | |
| 121 | ("edit" (ex-edit)) | |
| b9fe4732 | 122 | ("file" (ex-set-visited-file-name)) |
| 4986c2c6 MK |
123 | ("g" "global") |
| 124 | ("global" (ex-global nil) is-mashed) | |
| 125 | ("goto" (ex-goto)) | |
| 126 | ("help" (ex-help)) | |
| 127 | ("join" (ex-line "join")) | |
| 128 | ("k" (ex-mark) one-letter) | |
| 129 | ("kmark" (ex-mark)) | |
| 130 | ("m" "move") | |
| 4960e757 | 131 | ("make" (ex-compile)) |
| 4986c2c6 MK |
132 | ; old viper doesn't specify a default for "ma" so leave it undefined |
| 133 | ("map" (ex-map)) | |
| 134 | ("mark" (ex-mark)) | |
| 135 | ("move" (ex-copy t)) | |
| 136 | ("next" (ex-next ex-cycle-other-window)) | |
| 137 | ("p" "print") | |
| 138 | ("preserve" (ex-preserve)) | |
| 241d963d | 139 | ("print" (ex-print)) |
| 4986c2c6 MK |
140 | ("put" (ex-put)) |
| 141 | ("pwd" (ex-pwd)) | |
| 142 | ("quit" (ex-quit)) | |
| 143 | ("r" "read") | |
| 144 | ("re" "read") | |
| 145 | ("read" (ex-read)) | |
| 146 | ("recover" (ex-recover)) | |
| 147 | ("rewind" (ex-rewind)) | |
| 148 | ("s" "substitute") | |
| 149 | ("su" "substitute") | |
| 150 | ("sub" "substitute") | |
| 151 | ("set" (ex-set)) | |
| 152 | ("shell" (ex-shell)) | |
| 153 | ("source" (ex-source)) | |
| a1506d29 | 154 | ("stop" (suspend-emacs)) |
| 4986c2c6 MK |
155 | ("sr" (ex-substitute t t)) |
| 156 | ("submitReport" (viper-submit-report)) | |
| 157 | ("substitute" (ex-substitute) is-mashed) | |
| 158 | ("suspend" (suspend-emacs)) | |
| 159 | ("t" "transfer") | |
| 160 | ("tag" (ex-tag)) | |
| 161 | ("transfer" (ex-copy nil)) | |
| 162 | ("u" "undo") | |
| 163 | ("un" "undo") | |
| 164 | ("undo" (viper-undo)) | |
| 165 | ("unmap" (ex-unmap)) | |
| 166 | ("v" "vglobal") | |
| 167 | ("version" (viper-version)) | |
| 168 | ("vglobal" (ex-global t) is-mashed) | |
| a1506d29 | 169 | ("visual" (ex-edit)) |
| 4986c2c6 MK |
170 | ("w" "write") |
| 171 | ("wq" (ex-write t)) | |
| 172 | ("write" (ex-write nil)) | |
| 173 | ("xit" (ex-write t)) | |
| 174 | ("yank" (ex-yank)) | |
| 175 | ("~" (ex-substitute t t)) | |
| 176 | ||
| 177 | ("append" (ex-cmd-obsolete "append")) | |
| 178 | ("change" (ex-cmd-obsolete "change")) | |
| 179 | ("insert" (ex-cmd-obsolete "insert")) | |
| 180 | ("open" (ex-cmd-obsolete "open")) | |
| 181 | ||
| 182 | ("list" (ex-cmd-not-yet "list")) | |
| 4986c2c6 MK |
183 | ("z" (ex-cmd-not-yet "z")) |
| 184 | ("#" (ex-cmd-not-yet "#")) | |
| 185 | ||
| 186 | ("abbreviate" (error "`%s': Vi abbreviations are obsolete. Use the more powerful Emacs abbrevs" ex-token)) | |
| 187 | ("unabbreviate" (error "`%s': Vi abbreviations are obsolete. Use the more powerful Emacs abbrevs" ex-token)) | |
| 188 | )) | |
| 189 | ||
| 190 | ;; No code should touch anything in the alist entry! (other than the name, | |
| 191 | ;; "car entry", of course) This way, changing this data structure | |
| 192 | ;; requires changing only the following ex-cmd functions... | |
| 193 | ||
| 194 | ;; Returns cmd if the command may be jammed right up against its | |
| 195 | ;; arguments, nil if there must be a space. | |
| 196 | ;; examples of mashable commands: g// g!// v// s// sno// sm// | |
| 197 | (defun ex-cmd-is-mashed-with-args (cmd) | |
| 198 | (if (eq 'is-mashed (car (nthcdr 2 cmd))) cmd)) | |
| 199 | ||
| 200 | ;; Returns true if this is a one-letter command that may be followed | |
| 201 | ;; by anything, no whitespace needed. This is a special-case for ":k". | |
| 202 | (defun ex-cmd-is-one-letter (cmd) | |
| 203 | (if (eq 'one-letter (car (nthcdr 2 cmd))) cmd)) | |
| 204 | ||
| 205 | ;; Executes the function associated with the command | |
| 206 | (defun ex-cmd-execute (cmd) | |
| 207 | (eval (cadr cmd))) | |
| 208 | ||
| 209 | ;; If this is a one-letter magic command, splice in args. | |
| 210 | (defun ex-splice-args-in-1-letr-cmd (key list) | |
| 83f49acb MK |
211 | (let ((oneletter (ex-cmd-is-one-letter (assoc (substring key 0 1) list)))) |
| 212 | (if oneletter | |
| 4986c2c6 | 213 | (list key |
| 83f49acb | 214 | (append (cadr oneletter) |
| 4986c2c6 | 215 | (if (< 1 (length key)) (list (substring key 1)))) |
| 83f49acb | 216 | (car (cdr (cdr oneletter))) )) |
| 4986c2c6 MK |
217 | )) |
| 218 | ||
| 219 | ||
| 220 | ;; Returns the alist entry for the appropriate key. | |
| 221 | ;; Tries to complete the key before using it in the alist. | |
| 222 | ;; If there is no appropriate key (no match or duplicate matches) return nil | |
| 223 | (defun ex-cmd-assoc (key list) | |
| 224 | (let ((entry (try-completion key list)) | |
| 4960e757 | 225 | result) |
| 4986c2c6 MK |
226 | (setq result (cond |
| 227 | ((eq entry t) (assoc key list)) | |
| 228 | ((stringp entry) (or (ex-splice-args-in-1-letr-cmd key list) | |
| 229 | (assoc entry list))) | |
| 230 | ((eq entry nil) (ex-splice-args-in-1-letr-cmd key list)) | |
| 231 | (t nil) | |
| 232 | )) | |
| 233 | ;; If we end up with an alias, look up the alias... | |
| 234 | (if (stringp (cadr result)) | |
| 235 | (setq result (ex-cmd-assoc (cadr result) list))) | |
| 236 | ;; and return the corresponding alist entry | |
| 237 | result | |
| 238 | )) | |
| 239 | ||
| 52fa07ba MK |
240 | |
| 241 | ;; A-list of Ex variables that can be set using the :set command. | |
| a1506d29 | 242 | (defconst ex-variable-alist |
| 52fa07ba | 243 | '(("wrapscan") ("ws") ("wrapmargin") ("wm") |
| e36a387d | 244 | ("tabstop-global") ("ts-g") ("tabstop") ("ts") |
| 52fa07ba | 245 | ("showmatch") ("sm") ("shiftwidth") ("sw") ("shell") ("sh") |
| a1506d29 | 246 | ("readonly") ("ro") |
| 52fa07ba MK |
247 | ("nowrapscan") ("nows") ("noshowmatch") ("nosm") |
| 248 | ("noreadonly") ("noro") ("nomagic") ("noma") | |
| 249 | ("noignorecase") ("noic") | |
| e36a387d | 250 | ("noautoindent-global") ("noai-g") ("noautoindent") ("noai") |
| 52fa07ba | 251 | ("magic") ("ma") ("ignorecase") ("ic") |
| a1506d29 JB |
252 | ("autoindent-global") ("ai-g") ("autoindent") ("ai") |
| 253 | ("all") | |
| 52fa07ba | 254 | )) |
| bbe6126c | 255 | |
| a1506d29 | 256 | |
| bbe6126c | 257 | |
| 52fa07ba MK |
258 | ;; Token recognized during parsing of Ex commands (e.g., "read", "comma") |
| 259 | (defvar ex-token nil) | |
| 260 | ||
| a1506d29 | 261 | ;; Type of token. |
| 52fa07ba MK |
262 | ;; If non-nil, gives type of address; if nil, it is a command. |
| 263 | (defvar ex-token-type nil) | |
| 264 | ||
| 265 | ;; List of addresses passed to Ex command | |
| 266 | (defvar ex-addresses nil) | |
| 267 | ||
| 8e41a31c | 268 | ;; This flag is supposed to be set only by `#', `print', and `list', |
| 3af0304a MK |
269 | ;; none of which is implemented. So, it and the pices of the code it |
| 270 | ;; controls are dead weight. We keep it just in case this might be | |
| 8e41a31c | 271 | ;; needed in the future. |
| 52fa07ba MK |
272 | (defvar ex-flag nil) |
| 273 | ||
| 274 | ;; "buffer" where Ex commands keep deleted data. | |
| 275 | ;; In Emacs terms, this is a register. | |
| 276 | (defvar ex-buffer nil) | |
| 277 | ||
| 278 | ;; Value of ex count. | |
| 279 | (defvar ex-count nil) | |
| 280 | ||
| 1e70790f | 281 | ;; Flag indicating that :global Ex command is being executed. |
| 52fa07ba | 282 | (defvar ex-g-flag nil) |
| 1e70790f | 283 | ;; Flag indicating that :vglobal Ex command is being executed. |
| 52fa07ba | 284 | (defvar ex-g-variant nil) |
| 241d963d MK |
285 | ;; Marks to operate on during a :global Ex command. |
| 286 | (defvar ex-g-marks nil) | |
| 52fa07ba MK |
287 | |
| 288 | ;; Save reg-exp used in substitute. | |
| 289 | (defvar ex-reg-exp nil) | |
| 290 | ||
| 291 | ||
| 292 | ;; Replace pattern for substitute. | |
| 293 | (defvar ex-repl nil) | |
| 294 | ||
| 295 | ;; Pattern for global command. | |
| 296 | (defvar ex-g-pat nil) | |
| 297 | ||
| 1e70790f | 298 | (defcustom ex-unix-type-shell |
| 52fa07ba MK |
299 | (let ((case-fold-search t)) |
| 300 | (and (stringp shell-file-name) | |
| 301 | (string-match | |
| 302 | (concat | |
| 303 | "\\(" | |
| 304 | "csh$\\|csh.exe$" | |
| 305 | "\\|" | |
| 306 | "ksh$\\|ksh.exe$" | |
| 307 | "\\|" | |
| 308 | "^sh$\\|sh.exe$" | |
| 309 | "\\|" | |
| 310 | "[^a-z]sh$\\|[^a-z]sh.exe$" | |
| 311 | "\\|" | |
| 312 | "bash$\\|bash.exe$" | |
| 313 | "\\)") | |
| 314 | shell-file-name))) | |
| 1e70790f | 315 | "Is the user using a unix-type shell under a non-OS?" |
| 5ee3742d | 316 | :type 'boolean |
| 1e70790f | 317 | :group 'viper-ex) |
| 52fa07ba | 318 | |
| 1e70790f | 319 | (defcustom ex-unix-type-shell-options |
| 52fa07ba MK |
320 | (let ((case-fold-search t)) |
| 321 | (if ex-unix-type-shell | |
| 322 | (cond ((string-match "\\(csh$\\|csh.exe$\\)" shell-file-name) | |
| 323 | "-f") ; csh: do it fast | |
| 324 | ((string-match "\\(bash$\\|bash.exe$\\)" shell-file-name) | |
| 325 | "-noprofile") ; bash: ignore .profile | |
| 326 | ))) | |
| a1506d29 | 327 | "Options to pass to the Unix-style shell. |
| 1e70790f | 328 | Don't put `-c' here, as it is added automatically." |
| ee6a3436 | 329 | :type '(choice (const nil) string) |
| 1e70790f | 330 | :group 'viper-ex) |
| 52fa07ba | 331 | |
| 4960e757 | 332 | (defcustom ex-compile-command "make" |
| c760d040 | 333 | "The command to run when the user types :make." |
| 4960e757 MK |
334 | :type 'string |
| 335 | :group 'viper-ex) | |
| 336 | ||
| 3af0304a MK |
337 | (defcustom viper-glob-function |
| 338 | (cond (ex-unix-type-shell 'viper-glob-unix-files) | |
| 339 | ((eq system-type 'emx) 'viper-glob-mswindows-files) ; OS/2 | |
| 340 | (viper-ms-style-os-p 'viper-glob-mswindows-files) ; Microsoft OS | |
| 341 | (viper-vms-os-p 'viper-glob-unix-files) ; VMS | |
| 342 | (t 'viper-glob-unix-files) ; presumably UNIX | |
| 343 | ) | |
| 344 | "Expand the file spec containing wildcard symbols. | |
| 345 | The default tries to set this variable to work with Unix, Windows, | |
| 346 | OS/2, and VMS. | |
| 347 | ||
| a1506d29 | 348 | However, if it doesn't work right for some types of Unix shells or some OS, |
| 3af0304a MK |
349 | the user should supply the appropriate function and set this variable to the |
| 350 | corresponding function symbol." | |
| 351 | :type 'symbol | |
| 352 | :group 'viper-ex) | |
| 353 | ||
| bbe6126c | 354 | |
| 52fa07ba MK |
355 | ;; Remembers the previous Ex tag. |
| 356 | (defvar ex-tag nil) | |
| bbe6126c | 357 | |
| 52fa07ba MK |
358 | ;; file used by Ex commands like :r, :w, :n |
| 359 | (defvar ex-file nil) | |
| bbe6126c | 360 | |
| 52fa07ba MK |
361 | ;; If t, tells Ex that this is a variant-command, i.e., w>>, r!, etc. |
| 362 | (defvar ex-variant nil) | |
| bbe6126c | 363 | |
| 52fa07ba MK |
364 | ;; Specified the offset of an Ex command, such as :read. |
| 365 | (defvar ex-offset nil) | |
| bbe6126c | 366 | |
| 52fa07ba MK |
367 | ;; Tells Ex that this is a w>> command. |
| 368 | (defvar ex-append nil) | |
| bbe6126c | 369 | |
| 52fa07ba MK |
370 | ;; File containing the shell command to be executed at Ex prompt, |
| 371 | ;; e.g., :r !date | |
| 372 | (defvar ex-cmdfile nil) | |
| 328b4b70 | 373 | (defvar ex-cmdfile-args "") |
| a1506d29 | 374 | |
| 8626cfa2 | 375 | ;; flag used in viper-ex-read-file-name to indicate that we may be reading |
| 3af0304a | 376 | ;; multiple file names. Used for :edit and :next |
| 8626cfa2 | 377 | (defvar viper-keep-reading-filename nil) |
| bbe6126c | 378 | |
| 1e70790f | 379 | (defcustom ex-cycle-other-window t |
| 52fa07ba | 380 | "*If t, :n and :b cycles through files and buffers in other window. |
| 3af0304a | 381 | Then :N and :B cycles in the current window. If nil, this behavior is |
| 1e70790f MK |
382 | reversed." |
| 383 | :type 'boolean | |
| 384 | :group 'viper-ex) | |
| bbe6126c | 385 | |
| 1e70790f MK |
386 | (defcustom ex-cycle-through-non-files nil |
| 387 | "*Cycle through *scratch* and other buffers that don't visit any file." | |
| 388 | :type 'boolean | |
| 389 | :group 'viper-ex) | |
| bbe6126c | 390 | |
| 52fa07ba | 391 | ;; Last shell command executed with :! command. |
| 8626cfa2 | 392 | (defvar viper-ex-last-shell-com nil) |
| a1506d29 | 393 | |
| 52fa07ba | 394 | ;; Indicates if Minibuffer was exited temporarily in Ex-command. |
| 8626cfa2 | 395 | (defvar viper-incomplete-ex-cmd nil) |
| a1506d29 | 396 | |
| 52fa07ba | 397 | ;; Remembers the last ex-command prompt. |
| 8626cfa2 | 398 | (defvar viper-last-ex-prompt "") |
| bbe6126c | 399 | |
| bbe6126c | 400 | |
| 52fa07ba | 401 | ;; Get a complete ex command |
| 8626cfa2 | 402 | (defun viper-get-ex-com-subr () |
| 4986c2c6 | 403 | (let (cmd case-fold-search) |
| 52fa07ba MK |
404 | (set-mark (point)) |
| 405 | (re-search-forward "[a-zA-Z][a-zA-Z]*") | |
| 406 | (setq ex-token-type 'command) | |
| 407 | (setq ex-token (buffer-substring (point) (mark t))) | |
| 4986c2c6 MK |
408 | (setq cmd (ex-cmd-assoc ex-token ex-token-alist)) |
| 409 | (if cmd | |
| 410 | (setq ex-token (car cmd)) | |
| 411 | (setq ex-token-type 'non-command)) | |
| 52fa07ba | 412 | )) |
| bbe6126c | 413 | |
| 52fa07ba MK |
414 | ;; Get an ex-token which is either an address or a command. |
| 415 | ;; A token has a type, \(command, address, end-mark\), and a value | |
| 8626cfa2 | 416 | (defun viper-get-ex-token () |
| 52fa07ba | 417 | (save-window-excursion |
| a1506d29 | 418 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 8626cfa2 | 419 | (set-buffer viper-ex-work-buf) |
| 52fa07ba | 420 | (skip-chars-forward " \t|") |
| 96dffd25 MK |
421 | (let ((case-fold-search t)) |
| 422 | (cond ((looking-at "#") | |
| 423 | (setq ex-token-type 'command) | |
| 424 | (setq ex-token (char-to-string (following-char))) | |
| 425 | (forward-char 1)) | |
| 426 | ((looking-at "[a-z]") (viper-get-ex-com-subr)) | |
| 427 | ((looking-at "\\.") | |
| 428 | (forward-char 1) | |
| 429 | (setq ex-token-type 'dot)) | |
| 430 | ((looking-at "[0-9]") | |
| 431 | (set-mark (point)) | |
| 432 | (re-search-forward "[0-9]*") | |
| 433 | (setq ex-token-type | |
| 434 | (cond ((eq ex-token-type 'plus) 'add-number) | |
| 435 | ((eq ex-token-type 'minus) 'sub-number) | |
| 436 | (t 'abs-number))) | |
| 437 | (setq ex-token | |
| 027a4b6b | 438 | (string-to-number (buffer-substring (point) (mark t))))) |
| 96dffd25 MK |
439 | ((looking-at "\\$") |
| 440 | (forward-char 1) | |
| 441 | (setq ex-token-type 'end)) | |
| 442 | ((looking-at "%") | |
| 443 | (forward-char 1) | |
| 444 | (setq ex-token-type 'whole)) | |
| 445 | ((looking-at "+") | |
| 446 | (cond ((or (looking-at "+[-+]") (looking-at "+[\n|]")) | |
| 447 | (forward-char 1) | |
| 448 | (insert "1") | |
| 449 | (backward-char 1) | |
| 52fa07ba | 450 | (setq ex-token-type 'plus)) |
| 96dffd25 MK |
451 | ((looking-at "+[0-9]") |
| 452 | (forward-char 1) | |
| 453 | (setq ex-token-type 'plus)) | |
| 454 | (t | |
| 455 | (error viper-BadAddress)))) | |
| 456 | ((looking-at "-") | |
| 457 | (cond ((or (looking-at "-[-+]") (looking-at "-[\n|]")) | |
| 458 | (forward-char 1) | |
| 459 | (insert "1") | |
| 460 | (backward-char 1) | |
| 461 | (setq ex-token-type 'minus)) | |
| 462 | ((looking-at "-[0-9]") | |
| 463 | (forward-char 1) | |
| 464 | (setq ex-token-type 'minus)) | |
| 465 | (t | |
| 466 | (error viper-BadAddress)))) | |
| 467 | ((looking-at "/") | |
| 468 | (forward-char 1) | |
| 469 | (set-mark (point)) | |
| 470 | (let ((cont t)) | |
| 471 | (while (and (not (eolp)) cont) | |
| 472 | ;;(re-search-forward "[^/]*/") | |
| 473 | (re-search-forward "[^/]*\\(/\\|\n\\)") | |
| 474 | (if (not (viper-looking-back "[^\\\\]\\(\\\\\\\\\\)*\\\\/")) | |
| 475 | (setq cont nil)))) | |
| 476 | (backward-char 1) | |
| 477 | (setq ex-token (buffer-substring (point) (mark t))) | |
| 478 | (if (looking-at "/") (forward-char 1)) | |
| 479 | (setq ex-token-type 'search-forward)) | |
| 480 | ((looking-at "\\?") | |
| 481 | (forward-char 1) | |
| 482 | (set-mark (point)) | |
| 483 | (let ((cont t)) | |
| 484 | (while (and (not (eolp)) cont) | |
| 485 | ;;(re-search-forward "[^\\?]*\\?") | |
| 486 | (re-search-forward "[^\\?]*\\(\\?\\|\n\\)") | |
| 487 | (if (not (viper-looking-back "[^\\\\]\\(\\\\\\\\\\)*\\\\\\?")) | |
| 488 | (setq cont nil)) | |
| 489 | (backward-char 1) | |
| 490 | (if (not (looking-at "\n")) (forward-char 1)))) | |
| 491 | (setq ex-token-type 'search-backward) | |
| 492 | (setq ex-token (buffer-substring (1- (point)) (mark t)))) | |
| 493 | ((looking-at ",") | |
| 494 | (forward-char 1) | |
| 495 | (setq ex-token-type 'comma)) | |
| 496 | ((looking-at ";") | |
| 497 | (forward-char 1) | |
| 498 | (setq ex-token-type 'semi-colon)) | |
| 499 | ((looking-at "[!=><&~]") | |
| 500 | (setq ex-token-type 'command) | |
| 501 | (setq ex-token (char-to-string (following-char))) | |
| 502 | (forward-char 1)) | |
| 503 | ((looking-at "'") | |
| 504 | (setq ex-token-type 'goto-mark) | |
| 505 | (forward-char 1) | |
| 506 | (cond ((looking-at "'") (setq ex-token nil)) | |
| 507 | ((looking-at "[a-z]") (setq ex-token (following-char))) | |
| 508 | (t (error "Marks are ' and a-z"))) | |
| 509 | (forward-char 1)) | |
| 510 | ((looking-at "\n") | |
| 511 | (setq ex-token-type 'end-mark) | |
| 512 | (setq ex-token "goto")) | |
| 513 | (t | |
| 514 | (error viper-BadExCommand)))))) | |
| bbe6126c | 515 | |
| 3af0304a MK |
516 | ;; Reads Ex command. Tries to determine if it has to exit because command |
| 517 | ;; is complete or invalid. If not, keeps reading command. | |
| 52fa07ba MK |
518 | (defun ex-cmd-read-exit () |
| 519 | (interactive) | |
| 8626cfa2 | 520 | (setq viper-incomplete-ex-cmd t) |
| 52fa07ba MK |
521 | (let ((quit-regex1 (concat |
| 522 | "\\(" "set[ \t]*" | |
| 523 | "\\|" "edit[ \t]*" | |
| 524 | "\\|" "[nN]ext[ \t]*" | |
| 525 | "\\|" "unm[ \t]*" | |
| 526 | "\\|" "^[ \t]*rep" | |
| 527 | "\\)")) | |
| 528 | (quit-regex2 (concat | |
| 529 | "[a-zA-Z][ \t]*" | |
| 530 | "\\(" "!" "\\|" ">>" | |
| 531 | "\\|" "\\+[0-9]+" | |
| 532 | "\\)" | |
| 533 | "*[ \t]*$")) | |
| 534 | (stay-regex (concat | |
| 535 | "\\(" "^[ \t]*$" | |
| 1e70790f | 536 | "\\|" "[?/].*" |
| 52fa07ba MK |
537 | "\\|" "[ktgjmsz][ \t]*$" |
| 538 | "\\|" "^[ \t]*ab.*" | |
| 539 | "\\|" "tr[ansfer \t]*" | |
| 540 | "\\|" "sr[ \t]*" | |
| 541 | "\\|" "mo.*" | |
| 542 | "\\|" "^[ \t]*k?ma[^p]*" | |
| 543 | "\\|" "^[ \t]*fi.*" | |
| 544 | "\\|" "v?gl.*" | |
| 545 | "\\|" "[vg][ \t]*$" | |
| 546 | "\\|" "jo.*" | |
| 547 | "\\|" "^[ \t]*ta.*" | |
| 548 | "\\|" "^[ \t]*una.*" | |
| 2eb4bdca MK |
549 | ;; don't jump up in :s command |
| 550 | "\\|" "^[ \t]*\\([`'][a-z]\\|[.,%]\\)*[ \t]*su.*" | |
| 551 | "\\|" "^[ \t]*\\([`'][a-z]\\|[.,%]\\)*[ \t]*s[^a-z].*" | |
| 328b4b70 MK |
552 | "\\|" "['`][a-z][ \t]*" |
| 553 | ;; r! assumes that the next one is a shell command | |
| 554 | "\\|" "\\(r\\|re\\|rea\\|read\\)[ \t]*!" | |
| 555 | ;; w ! assumes that the next one is a shell command | |
| 556 | "\\|" "\\(w\\|wr\\|wri\\|writ.?\\)[ \t]+!" | |
| 52fa07ba MK |
557 | "\\|" "![ \t]*[a-zA-Z].*" |
| 558 | "\\)" | |
| 559 | "!*"))) | |
| a1506d29 | 560 | |
| 52fa07ba | 561 | (save-window-excursion ;; put cursor at the end of the Ex working buffer |
| a1506d29 | 562 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 8626cfa2 | 563 | (set-buffer viper-ex-work-buf) |
| 52fa07ba | 564 | (goto-char (point-max))) |
| 8626cfa2 MK |
565 | (cond ((viper-looking-back quit-regex1) (exit-minibuffer)) |
| 566 | ((viper-looking-back stay-regex) (insert " ")) | |
| 567 | ((viper-looking-back quit-regex2) (exit-minibuffer)) | |
| 52fa07ba | 568 | (t (insert " "))))) |
| a1506d29 | 569 | |
| 52fa07ba MK |
570 | ;; complete Ex command |
| 571 | (defun ex-cmd-complete () | |
| 572 | (interactive) | |
| 573 | (let (save-pos dist compl-list string-to-complete completion-result) | |
| a1506d29 | 574 | |
| 52fa07ba MK |
575 | (save-excursion |
| 576 | (setq dist (skip-chars-backward "[a-zA-Z!=>&~]") | |
| 577 | save-pos (point))) | |
| a1506d29 | 578 | |
| 52fa07ba | 579 | (if (or (= dist 0) |
| 8626cfa2 MK |
580 | (viper-looking-back "\\([ \t]*['`][ \t]*[a-z]*\\)") |
| 581 | (viper-looking-back | |
| 3af0304a | 582 | "^[ \t]*[a-zA-Z!=>&~][ \t]*[/?]*[ \t]+[a-zA-Z!=>&~]+")) |
| 52fa07ba MK |
583 | ;; Preceding characters are not the ones allowed in an Ex command |
| 584 | ;; or we have typed past command name. | |
| 3af0304a | 585 | ;; Note: we didn't do parsing, so there can be surprises. |
| 8626cfa2 MK |
586 | (if (or (viper-looking-back "[a-zA-Z!=>&~][ \t]*[/?]*[ \t]*") |
| 587 | (viper-looking-back "\\([ \t]*['`][ \t]*[a-z]*\\)") | |
| 52fa07ba MK |
588 | (looking-at "[^ \t\n\C-m]")) |
| 589 | nil | |
| a1506d29 | 590 | (with-output-to-temp-buffer "*Completions*" |
| 52fa07ba | 591 | (display-completion-list |
| 8626cfa2 | 592 | (viper-alist-to-list ex-token-alist)))) |
| 52fa07ba MK |
593 | ;; Preceding chars may be part of a command name |
| 594 | (setq string-to-complete (buffer-substring save-pos (point))) | |
| 595 | (setq completion-result | |
| 596 | (try-completion string-to-complete ex-token-alist)) | |
| a1506d29 | 597 | |
| 52fa07ba | 598 | (cond ((eq completion-result t) ; exact match--do nothing |
| 8626cfa2 | 599 | (viper-tmp-insert-at-eob " (Sole completion)")) |
| 52fa07ba | 600 | ((eq completion-result nil) |
| 8626cfa2 | 601 | (viper-tmp-insert-at-eob " (No match)")) |
| 52fa07ba MK |
602 | (t ;; partial completion |
| 603 | (goto-char save-pos) | |
| 604 | (delete-region (point) (point-max)) | |
| 605 | (insert completion-result) | |
| 606 | (let (case-fold-search) | |
| 607 | (setq compl-list | |
| 8626cfa2 | 608 | (viper-filter-alist (concat "^" completion-result) |
| 52fa07ba MK |
609 | ex-token-alist))) |
| 610 | (if (> (length compl-list) 1) | |
| a1506d29 | 611 | (with-output-to-temp-buffer "*Completions*" |
| 52fa07ba | 612 | (display-completion-list |
| 8626cfa2 | 613 | (viper-alist-to-list (reverse compl-list))))))) |
| 52fa07ba | 614 | ))) |
| bbe6126c | 615 | |
| a1506d29 JB |
616 | |
| 617 | ;; Read Ex commands | |
| 3af0304a MK |
618 | ;; ARG is a prefix argument. If given, the ex command runs on the region |
| 619 | ;;(without the user having to specify the address :a,b | |
| 620 | ;; STRING is the command to execute. If nil, then Viper asks you to enter the | |
| a1506d29 | 621 | ;; command. |
| c004db97 MK |
622 | (defun viper-ex (arg &optional string) |
| 623 | (interactive "P") | |
| 52fa07ba MK |
624 | (or string |
| 625 | (setq ex-g-flag nil | |
| 626 | ex-g-variant nil)) | |
| 627 | (let* ((map (copy-keymap minibuffer-local-map)) | |
| 628 | (address nil) | |
| 629 | (cont t) | |
| 630 | (dot (point)) | |
| c004db97 MK |
631 | reg-beg-line reg-end-line |
| 632 | reg-beg reg-end | |
| 633 | initial-str | |
| 52fa07ba | 634 | prev-token-type com-str) |
| 8626cfa2 | 635 | (viper-add-keymap viper-ex-cmd-map map) |
| c004db97 MK |
636 | |
| 637 | (if arg | |
| 638 | (progn | |
| 639 | (viper-enlarge-region (mark t) (point)) | |
| 640 | (if (> (point) (mark t)) | |
| 641 | (setq reg-beg (mark t) | |
| 642 | reg-end (point)) | |
| 643 | (setq reg-end (mark t) | |
| 644 | reg-beg (point))) | |
| 645 | (save-excursion | |
| 646 | (goto-char reg-beg) | |
| 647 | (setq reg-beg-line (1+ (count-lines (point-min) (point))) | |
| 648 | reg-end-line | |
| 649 | (+ reg-beg-line (count-lines reg-beg reg-end) -1))))) | |
| 650 | (if reg-beg-line | |
| 651 | (setq initial-str (format "%d,%d" reg-beg-line reg-end-line))) | |
| a1506d29 JB |
652 | |
| 653 | (setq com-str | |
| 33468a59 MK |
654 | (if string |
| 655 | (concat initial-str string) | |
| 656 | (viper-read-string-with-history | |
| 657 | ":" | |
| 658 | initial-str | |
| 659 | 'viper-ex-history | |
| 660 | ;; no default when working on region | |
| 661 | (if initial-str | |
| 662 | nil | |
| 663 | (car viper-ex-history)) | |
| 664 | map | |
| 665 | (if initial-str | |
| 666 | " [Type command to execute on current region]")))) | |
| 52fa07ba MK |
667 | (save-window-excursion |
| 668 | ;; just a precaution | |
| a1506d29 | 669 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 8626cfa2 | 670 | (set-buffer viper-ex-work-buf) |
| 52fa07ba MK |
671 | (delete-region (point-min) (point-max)) |
| 672 | (insert com-str "\n") | |
| 673 | (goto-char (point-min))) | |
| 674 | (setq ex-token-type nil | |
| 675 | ex-addresses nil) | |
| 676 | (while cont | |
| 8626cfa2 | 677 | (viper-get-ex-token) |
| 52fa07ba MK |
678 | (cond ((memq ex-token-type '(command end-mark)) |
| 679 | (if address (setq ex-addresses (cons address ex-addresses))) | |
| 4986c2c6 MK |
680 | (viper-deactivate-mark) |
| 681 | (let ((cmd (ex-cmd-assoc ex-token ex-token-alist))) | |
| 682 | (if (null cmd) | |
| 683 | (error "`%s': %s" ex-token viper-BadExCommand)) | |
| 684 | (ex-cmd-execute cmd) | |
| 685 | (if (or (ex-cmd-is-mashed-with-args cmd) | |
| 686 | (ex-cmd-is-one-letter cmd)) | |
| 687 | (setq cont nil) | |
| 688 | (save-excursion | |
| 689 | (save-window-excursion | |
| 690 | (setq viper-ex-work-buf | |
| 691 | (get-buffer-create viper-ex-work-buf-name)) | |
| 692 | (set-buffer viper-ex-work-buf) | |
| 693 | (skip-chars-forward " \t") | |
| 694 | (cond ((looking-at "|") | |
| 695 | (forward-char 1)) | |
| 696 | ((looking-at "\n") | |
| 697 | (setq cont nil)) | |
| 698 | (t (error | |
| 699 | "`%s': %s" ex-token viper-SpuriousText))) | |
| 700 | ))) | |
| 701 | )) | |
| 52fa07ba | 702 | ((eq ex-token-type 'non-command) |
| 8626cfa2 | 703 | (error "`%s': %s" ex-token viper-BadExCommand)) |
| 52fa07ba MK |
704 | ((eq ex-token-type 'whole) |
| 705 | (setq address nil) | |
| 706 | (setq ex-addresses | |
| 707 | (if ex-addresses | |
| 708 | (cons (point-max) ex-addresses) | |
| 709 | (cons (point-max) (cons (point-min) ex-addresses))))) | |
| 710 | ((eq ex-token-type 'comma) | |
| 711 | (if (eq prev-token-type 'whole) | |
| 712 | (setq address (point-min))) | |
| 713 | (setq ex-addresses | |
| 714 | (cons (if (null address) (point) address) ex-addresses))) | |
| 715 | ((eq ex-token-type 'semi-colon) | |
| 716 | (if (eq prev-token-type 'whole) | |
| 717 | (setq address (point-min))) | |
| 718 | (if address (setq dot address)) | |
| 719 | (setq ex-addresses | |
| 720 | (cons (if (null address) (point) address) ex-addresses))) | |
| 8626cfa2 | 721 | (t (let ((ans (viper-get-ex-address-subr address dot))) |
| 52fa07ba MK |
722 | (if ans (setq address ans))))) |
| 723 | (setq prev-token-type ex-token-type)))) | |
| a1506d29 | 724 | |
| bbe6126c | 725 | |
| 52fa07ba | 726 | ;; Get a regular expression and set `ex-variant', if found |
| 2d341681 MK |
727 | ;; Viper doesn't parse the substitution or search patterns. |
| 728 | ;; In particular, it doesn't expand ~ into the last substitution. | |
| 8626cfa2 | 729 | (defun viper-get-ex-pat () |
| 52fa07ba | 730 | (save-window-excursion |
| 8626cfa2 MK |
731 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 732 | (set-buffer viper-ex-work-buf) | |
| 52fa07ba MK |
733 | (skip-chars-forward " \t") |
| 734 | (if (looking-at "!") | |
| 2eb4bdca | 735 | ;; this is probably a variant command r! |
| 52fa07ba MK |
736 | (progn |
| 737 | (setq ex-g-variant (not ex-g-variant) | |
| 738 | ex-g-flag (not ex-g-flag)) | |
| 739 | (forward-char 1) | |
| 740 | (skip-chars-forward " \t"))) | |
| 741 | (let ((c (following-char))) | |
| 2eb4bdca MK |
742 | (cond ((string-match "[0-9A-Za-z]" (format "%c" c)) |
| 743 | (error | |
| 744 | "Global regexp must be inside matching non-alphanumeric chars")) | |
| 745 | ((= c ??) (error "`?' is not an allowed pattern delimiter here"))) | |
| 52fa07ba MK |
746 | (if (looking-at "[^\\\\\n]") |
| 747 | (progn | |
| 748 | (forward-char 1) | |
| 749 | (set-mark (point)) | |
| 750 | (let ((cont t)) | |
| 2eb4bdca MK |
751 | ;; the use of eobp instead of eolp permits the use of newlines in |
| 752 | ;; pat2 in s/pat1/pat2/ | |
| 753 | (while (and (not (eobp)) cont) | |
| 52fa07ba MK |
754 | (if (not (re-search-forward (format "[^%c]*%c" c c) nil t)) |
| 755 | (if (member ex-token '("global" "vglobal")) | |
| 2eb4bdca | 756 | (error "Missing closing delimiter for global regexp") |
| 52fa07ba | 757 | (goto-char (point-max)))) |
| 8626cfa2 | 758 | (if (not (viper-looking-back |
| 52fa07ba | 759 | (format "[^\\\\]\\(\\\\\\\\\\)*\\\\%c" c))) |
| 2eb4bdca MK |
760 | (setq cont nil) |
| 761 | ;; we are at an escaped delimiter: unescape it and continue | |
| 762 | (delete-backward-char 2) | |
| 763 | (insert c) | |
| 764 | (if (eolp) | |
| 765 | ;; if at eol, exit loop and go to next line | |
| 766 | ;; later, delim will be inserted at the end | |
| 767 | (progn | |
| 768 | (setq cont nil) | |
| 769 | (forward-char)))) | |
| 770 | )) | |
| 52fa07ba MK |
771 | (setq ex-token |
| 772 | (if (= (mark t) (point)) "" | |
| 773 | (buffer-substring (1- (point)) (mark t)))) | |
| 1e70790f | 774 | (backward-char 1) |
| 2eb4bdca | 775 | ;; if the user didn't insert the final pattern delimiter, we're |
| 3af0304a | 776 | ;; at newline now. In this case, insert the initial delimiter |
| 1e70790f | 777 | ;; specified in variable c |
| 2eb4bdca | 778 | (if (eolp) |
| 1e70790f | 779 | (progn |
| 2eb4bdca MK |
780 | (insert c) |
| 781 | (backward-char 1))) | |
| 1e70790f | 782 | ) |
| 52fa07ba MK |
783 | (setq ex-token nil)) |
| 784 | c))) | |
| bbe6126c | 785 | |
| 52fa07ba | 786 | ;; Get an Ex option g or c |
| 8626cfa2 | 787 | (defun viper-get-ex-opt-gc (c) |
| 52fa07ba | 788 | (save-window-excursion |
| a1506d29 | 789 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 8626cfa2 | 790 | (set-buffer viper-ex-work-buf) |
| 52fa07ba MK |
791 | (if (looking-at (format "%c" c)) (forward-char 1)) |
| 792 | (skip-chars-forward " \t") | |
| 793 | (cond ((looking-at "g") | |
| 794 | (setq ex-token "g") | |
| 795 | (forward-char 1) | |
| 796 | t) | |
| 797 | ((looking-at "c") | |
| 798 | (setq ex-token "c") | |
| 799 | (forward-char 1) | |
| 800 | t) | |
| 801 | (t nil)))) | |
| 802 | ||
| 803 | ;; Compute default addresses. WHOLE-FLAG means use the whole buffer | |
| 8626cfa2 | 804 | (defun viper-default-ex-addresses (&optional whole-flag) |
| 52fa07ba MK |
805 | (cond ((null ex-addresses) |
| 806 | (setq ex-addresses | |
| 807 | (if whole-flag | |
| 2eb4bdca MK |
808 | (list (point-max) (point-min)) |
| 809 | (list (point) (point))))) | |
| 52fa07ba MK |
810 | ((null (cdr ex-addresses)) |
| 811 | (setq ex-addresses | |
| 812 | (cons (car ex-addresses) ex-addresses))))) | |
| 813 | ||
| 814 | ;; Get an ex-address as a marker and set ex-flag if a flag is found | |
| 8626cfa2 | 815 | (defun viper-get-ex-address () |
| 9b70a748 MK |
816 | (let ((address (point-marker)) |
| 817 | (cont t)) | |
| 52fa07ba MK |
818 | (setq ex-token "") |
| 819 | (setq ex-flag nil) | |
| 820 | (while cont | |
| 8626cfa2 | 821 | (viper-get-ex-token) |
| 52fa07ba MK |
822 | (cond ((eq ex-token-type 'command) |
| 823 | (if (member ex-token '("print" "list" "#")) | |
| 824 | (progn | |
| 825 | (setq ex-flag t | |
| 826 | cont nil)) | |
| 827 | (error "Address expected in this Ex command"))) | |
| 828 | ((eq ex-token-type 'end-mark) | |
| 829 | (setq cont nil)) | |
| 830 | ((eq ex-token-type 'whole) | |
| 831 | (error "Trailing address expected")) | |
| 832 | ((eq ex-token-type 'comma) | |
| 8626cfa2 MK |
833 | (error "`%s': %s" ex-token viper-SpuriousText)) |
| 834 | (t (let ((ans (viper-get-ex-address-subr address (point-marker)))) | |
| 52fa07ba MK |
835 | (if ans (setq address ans)))))) |
| 836 | address)) | |
| 837 | ||
| 838 | ;; Returns an address as a point | |
| 8626cfa2 | 839 | (defun viper-get-ex-address-subr (old-address dot) |
| 52fa07ba MK |
840 | (let ((address nil)) |
| 841 | (if (null old-address) (setq old-address dot)) | |
| 842 | (cond ((eq ex-token-type 'dot) | |
| 843 | (setq address dot)) | |
| 844 | ((eq ex-token-type 'add-number) | |
| 845 | (save-excursion | |
| 846 | (goto-char old-address) | |
| 847 | (forward-line (if (= old-address 0) (1- ex-token) ex-token)) | |
| 848 | (setq address (point-marker)))) | |
| 849 | ((eq ex-token-type 'sub-number) | |
| 850 | (save-excursion | |
| 851 | (goto-char old-address) | |
| 852 | (forward-line (- ex-token)) | |
| 853 | (setq address (point-marker)))) | |
| 854 | ((eq ex-token-type 'abs-number) | |
| 855 | (save-excursion | |
| 856 | (goto-char (point-min)) | |
| 857 | (if (= ex-token 0) (setq address 0) | |
| 858 | (forward-line (1- ex-token)) | |
| 859 | (setq address (point-marker))))) | |
| 860 | ((eq ex-token-type 'end) | |
| 2d341681 MK |
861 | (save-excursion |
| 862 | (goto-char (1- (point-max))) | |
| 863 | (setq address (point-marker)))) | |
| 52fa07ba MK |
864 | ((eq ex-token-type 'plus) t) ; do nothing |
| 865 | ((eq ex-token-type 'minus) t) ; do nothing | |
| 866 | ((eq ex-token-type 'search-forward) | |
| 867 | (save-excursion | |
| 868 | (ex-search-address t) | |
| 869 | (setq address (point-marker)))) | |
| 870 | ((eq ex-token-type 'search-backward) | |
| 871 | (save-excursion | |
| 872 | (ex-search-address nil) | |
| 873 | (setq address (point-marker)))) | |
| 874 | ((eq ex-token-type 'goto-mark) | |
| 875 | (save-excursion | |
| 876 | (if (null ex-token) | |
| 877 | (exchange-point-and-mark) | |
| a1506d29 | 878 | (goto-char |
| 4960e757 MK |
879 | (viper-register-to-point |
| 880 | (viper-int-to-char (1+ (- ex-token ?a))) 'enforce-buffer))) | |
| 52fa07ba MK |
881 | (setq address (point-marker))))) |
| 882 | address)) | |
| 883 | ||
| 884 | ||
| 885 | ;; Search pattern and set address | |
| 2d341681 | 886 | ;; Doesn't wrap around. Should it? |
| 52fa07ba MK |
887 | (defun ex-search-address (forward) |
| 888 | (if (string= ex-token "") | |
| 8626cfa2 MK |
889 | (if (null viper-s-string) |
| 890 | (error viper-NoPrevSearch) | |
| 891 | (setq ex-token viper-s-string)) | |
| 892 | (setq viper-s-string ex-token)) | |
| 52fa07ba MK |
893 | (if forward |
| 894 | (progn | |
| 895 | (forward-line 1) | |
| 896 | (re-search-forward ex-token)) | |
| 897 | (forward-line -1) | |
| 898 | (re-search-backward ex-token))) | |
| 899 | ||
| 900 | ;; Get a buffer name and set `ex-count' and `ex-flag' if found | |
| 8626cfa2 | 901 | (defun viper-get-ex-buffer () |
| 52fa07ba MK |
902 | (setq ex-buffer nil) |
| 903 | (setq ex-count nil) | |
| 904 | (setq ex-flag nil) | |
| 905 | (save-window-excursion | |
| a1506d29 | 906 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 8626cfa2 | 907 | (set-buffer viper-ex-work-buf) |
| 52fa07ba MK |
908 | (skip-chars-forward " \t") |
| 909 | (if (looking-at "[a-zA-Z]") | |
| 910 | (progn | |
| 911 | (setq ex-buffer (following-char)) | |
| 912 | (forward-char 1) | |
| 913 | (skip-chars-forward " \t"))) | |
| 914 | (if (looking-at "[0-9]") | |
| 915 | (progn | |
| 916 | (set-mark (point)) | |
| 917 | (re-search-forward "[0-9][0-9]*") | |
| 027a4b6b | 918 | (setq ex-count (string-to-number (buffer-substring (point) (mark t)))) |
| 52fa07ba MK |
919 | (skip-chars-forward " \t"))) |
| 920 | (if (looking-at "[pl#]") | |
| 921 | (progn | |
| 922 | (setq ex-flag t) | |
| 923 | (forward-char 1))) | |
| 924 | (if (not (looking-at "[\n|]")) | |
| 8626cfa2 | 925 | (error "`%s': %s" ex-token viper-SpuriousText)))) |
| 52fa07ba | 926 | |
| 8626cfa2 | 927 | (defun viper-get-ex-count () |
| 52fa07ba MK |
928 | (setq ex-variant nil |
| 929 | ex-count nil | |
| 930 | ex-flag nil) | |
| 931 | (save-window-excursion | |
| a1506d29 | 932 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 8626cfa2 | 933 | (set-buffer viper-ex-work-buf) |
| 52fa07ba MK |
934 | (skip-chars-forward " \t") |
| 935 | (if (looking-at "!") | |
| 936 | (progn | |
| 937 | (setq ex-variant t) | |
| 938 | (forward-char 1))) | |
| 939 | (skip-chars-forward " \t") | |
| 940 | (if (looking-at "[0-9]") | |
| 941 | (progn | |
| 942 | (set-mark (point)) | |
| 943 | (re-search-forward "[0-9][0-9]*") | |
| 027a4b6b | 944 | (setq ex-count (string-to-number (buffer-substring (point) (mark t)))) |
| 52fa07ba MK |
945 | (skip-chars-forward " \t"))) |
| 946 | (if (looking-at "[pl#]") | |
| 947 | (progn | |
| 948 | (setq ex-flag t) | |
| 949 | (forward-char 1))) | |
| 950 | (if (not (looking-at "[\n|]")) | |
| 951 | (error "`%s': %s" | |
| 8626cfa2 MK |
952 | (buffer-substring |
| 953 | (point-min) (1- (point-max))) viper-BadExCommand)))) | |
| 52fa07ba MK |
954 | |
| 955 | ;; Expand \% and \# in ex command | |
| 956 | (defun ex-expand-filsyms (cmd buf) | |
| 957 | (let (cf pf ret) | |
| a1506d29 | 958 | (save-excursion |
| 52fa07ba MK |
959 | (set-buffer buf) |
| 960 | (setq cf buffer-file-name) | |
| 961 | (setq pf (ex-next nil t))) ; this finds alternative file name | |
| 962 | (if (and (null cf) (string-match "[^\\]%\\|\\`%" cmd)) | |
| 963 | (error "No current file to substitute for `%%'")) | |
| 964 | (if (and (null pf) (string-match "[^\\]#\\|\\`#" cmd)) | |
| 965 | (error "No alternate file to substitute for `#'")) | |
| 966 | (save-excursion | |
| 8626cfa2 | 967 | (set-buffer (get-buffer-create viper-ex-tmp-buf-name)) |
| 52fa07ba MK |
968 | (erase-buffer) |
| 969 | (insert cmd) | |
| 970 | (goto-char (point-min)) | |
| 971 | (while (re-search-forward "%\\|#" nil t) | |
| a1506d29 | 972 | (let ((data (match-data)) |
| 52fa07ba | 973 | (char (buffer-substring (match-beginning 0) (match-end 0)))) |
| 8626cfa2 | 974 | (if (viper-looking-back (concat "\\\\" char)) |
| 52fa07ba | 975 | (replace-match char) |
| 2eb4bdca | 976 | (store-match-data data) |
| 52fa07ba MK |
977 | (if (string= char "%") |
| 978 | (replace-match cf) | |
| 979 | (replace-match pf))))) | |
| 980 | (end-of-line) | |
| 981 | (setq ret (buffer-substring (point-min) (point))) | |
| 982 | (message "%s" ret)) | |
| 983 | ret)) | |
| 984 | ||
| 328b4b70 MK |
985 | ;; Get a file name and set `ex-variant', `ex-append' and `ex-offset' if found |
| 986 | ;; If it is r!, then get the command name and whatever args | |
| 8626cfa2 | 987 | (defun viper-get-ex-file () |
| 52fa07ba MK |
988 | (let (prompt) |
| 989 | (setq ex-file nil | |
| 990 | ex-variant nil | |
| 991 | ex-append nil | |
| 992 | ex-offset nil | |
| 328b4b70 MK |
993 | ex-cmdfile nil |
| 994 | ex-cmdfile-args "") | |
| 52fa07ba MK |
995 | (save-excursion |
| 996 | (save-window-excursion | |
| a1506d29 | 997 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 8626cfa2 | 998 | (set-buffer viper-ex-work-buf) |
| 52fa07ba MK |
999 | (skip-chars-forward " \t") |
| 1000 | (if (looking-at "!") | |
| 8626cfa2 | 1001 | (if (and (not (viper-looking-back "[ \t]")) |
| 52fa07ba MK |
1002 | ;; read doesn't have a corresponding :r! form, so ! is |
| 1003 | ;; immediately interpreted as a shell command. | |
| 1004 | (not (string= ex-token "read"))) | |
| 1005 | (progn | |
| 1006 | (setq ex-variant t) | |
| 1007 | (forward-char 1) | |
| 1008 | (skip-chars-forward " \t")) | |
| 1009 | (setq ex-cmdfile t) | |
| 1010 | (forward-char 1) | |
| 1011 | (skip-chars-forward " \t"))) | |
| 1012 | (if (looking-at ">>") | |
| 1013 | (progn | |
| 1014 | (setq ex-append t | |
| 1015 | ex-variant t) | |
| 1016 | (forward-char 2) | |
| 1017 | (skip-chars-forward " \t"))) | |
| 1018 | (if (looking-at "+") | |
| 1019 | (progn | |
| 1020 | (forward-char 1) | |
| 1021 | (set-mark (point)) | |
| 1022 | (re-search-forward "[ \t\n]") | |
| 1023 | (backward-char 1) | |
| 1024 | (setq ex-offset (buffer-substring (point) (mark t))) | |
| 1025 | (forward-char 1) | |
| 1026 | (skip-chars-forward " \t"))) | |
| 1027 | ;; this takes care of :r, :w, etc., when they get file names | |
| 1028 | ;; from the history list | |
| 1029 | (if (member ex-token '("read" "write" "edit" "visual" "next")) | |
| 1030 | (progn | |
| 1031 | (setq ex-file (buffer-substring (point) (1- (point-max)))) | |
| 1032 | (setq ex-file | |
| 1033 | ;; For :e, match multiple non-white strings separated | |
| 3af0304a | 1034 | ;; by white. For others, find the first non-white string |
| 52fa07ba MK |
1035 | (if (string-match |
| 1036 | (if (string= ex-token "edit") | |
| 1037 | "[^ \t\n]+\\([ \t]+[^ \t\n]+\\)*" | |
| 1038 | "[^ \t\n]+") | |
| 1039 | ex-file) | |
| 1040 | (progn | |
| 1041 | ;; if file name comes from history, don't leave | |
| 1042 | ;; minibuffer when the user types space | |
| 8626cfa2 | 1043 | (setq viper-incomplete-ex-cmd nil) |
| 328b4b70 MK |
1044 | (setq ex-cmdfile-args |
| 1045 | (substring ex-file (match-end 0) nil)) | |
| 52fa07ba MK |
1046 | ;; this must be the last clause in this progn |
| 1047 | (substring ex-file (match-beginning 0) (match-end 0)) | |
| 1048 | ) | |
| 1049 | "")) | |
| 1050 | ;; this leaves only the command name in the work area | |
| 1051 | ;; file names are gone | |
| 1052 | (delete-region (point) (1- (point-max))) | |
| 1053 | )) | |
| 1054 | (goto-char (point-max)) | |
| 1055 | (skip-chars-backward " \t\n") | |
| 1056 | (setq prompt (buffer-substring (point-min) (point))) | |
| 1057 | )) | |
| a1506d29 | 1058 | |
| 8626cfa2 | 1059 | (setq viper-last-ex-prompt prompt) |
| a1506d29 | 1060 | |
| 52fa07ba | 1061 | ;; If we just finished reading command, redisplay prompt |
| 8626cfa2 MK |
1062 | (if viper-incomplete-ex-cmd |
| 1063 | (setq ex-file (viper-ex-read-file-name (format ":%s " prompt))) | |
| 52fa07ba MK |
1064 | ;; file was typed in-line |
| 1065 | (setq ex-file (or ex-file ""))) | |
| 1066 | )) | |
| bbe6126c | 1067 | |
| bbe6126c | 1068 | |
| 3af0304a | 1069 | ;; Completes file name or exits minibuffer. If Ex command accepts multiple |
| 52fa07ba | 1070 | ;; file names, arranges to re-enter the minibuffer. |
| 8626cfa2 | 1071 | (defun viper-complete-filename-or-exit () |
| 52fa07ba | 1072 | (interactive) |
| a1506d29 JB |
1073 | (setq viper-keep-reading-filename t) |
| 1074 | ;; don't exit if directory---ex-commands don't | |
| 52fa07ba MK |
1075 | (cond ((ex-cmd-accepts-multiple-files-p ex-token) (exit-minibuffer)) |
| 1076 | ;; apparently the argument to an Ex command is | |
| 1077 | ;; supposed to be a shell command | |
| 8626cfa2 | 1078 | ((viper-looking-back "^[ \t]*!.*") |
| 52fa07ba MK |
1079 | (setq ex-cmdfile t) |
| 1080 | (insert " ")) | |
| 1081 | (t | |
| 1082 | (setq ex-cmdfile nil) | |
| 1083 | (minibuffer-complete-word)))) | |
| bbe6126c | 1084 | |
| 8626cfa2 | 1085 | (defun viper-handle-! () |
| 52fa07ba MK |
1086 | (interactive) |
| 1087 | (if (and (string= | |
| 8626cfa2 | 1088 | (buffer-string) (viper-abbreviate-file-name default-directory)) |
| 52fa07ba MK |
1089 | (member ex-token '("read" "write"))) |
| 1090 | (erase-buffer)) | |
| 1091 | (insert "!")) | |
| 1092 | ||
| 1093 | (defun ex-cmd-accepts-multiple-files-p (token) | |
| 1094 | (member token '("edit" "next" "Next"))) | |
| 1095 | ||
| 328b4b70 | 1096 | ;; Read file name from the minibuffer in an ex command. |
| 52fa07ba MK |
1097 | ;; If user doesn't enter anything, then "" is returned, i.e., the |
| 1098 | ;; prompt-directory is not returned. | |
| 8626cfa2 | 1099 | (defun viper-ex-read-file-name (prompt) |
| 52fa07ba MK |
1100 | (let* ((str "") |
| 1101 | (minibuffer-local-completion-map | |
| 1102 | (copy-keymap minibuffer-local-completion-map)) | |
| 1103 | beg end cont val) | |
| a1506d29 | 1104 | |
| 8626cfa2 | 1105 | (viper-add-keymap ex-read-filename-map |
| a1506d29 | 1106 | (if viper-emacs-p |
| 52fa07ba | 1107 | minibuffer-local-completion-map |
| a1506d29 JB |
1108 | read-file-name-map)) |
| 1109 | ||
| 8626cfa2 | 1110 | (setq cont (setq viper-keep-reading-filename t)) |
| 52fa07ba | 1111 | (while cont |
| 8626cfa2 | 1112 | (setq viper-keep-reading-filename nil |
| 52fa07ba | 1113 | val (read-file-name (concat prompt str) nil default-directory)) |
| 2eb4bdca MK |
1114 | (setq val (expand-file-name val)) |
| 1115 | (if (and (string-match " " val) | |
| 1116 | (ex-cmd-accepts-multiple-files-p ex-token)) | |
| 1117 | (setq val (concat "\"" val "\""))) | |
| 52fa07ba MK |
1118 | (setq str (concat str (if (equal val "") "" " ") |
| 1119 | val (if (equal val "") "" " "))) | |
| a1506d29 | 1120 | |
| 52fa07ba | 1121 | ;; Only edit, next, and Next commands accept multiple files. |
| 8626cfa2 | 1122 | ;; viper-keep-reading-filename is set in the anonymous function that is |
| 52fa07ba | 1123 | ;; bound to " " in ex-read-filename-map. |
| 8626cfa2 | 1124 | (setq cont (and viper-keep-reading-filename |
| 52fa07ba MK |
1125 | (ex-cmd-accepts-multiple-files-p ex-token))) |
| 1126 | ) | |
| a1506d29 | 1127 | |
| 52fa07ba MK |
1128 | (setq beg (string-match "[^ \t]" str) ; delete leading blanks |
| 1129 | end (string-match "[ \t]*$" str)) ; delete trailing blanks | |
| 1130 | (if (member ex-token '("read" "write")) | |
| 1131 | (if (string-match "[\t ]*!" str) | |
| 1132 | ;; this is actually a shell command | |
| 1133 | (progn | |
| 1134 | (setq ex-cmdfile t) | |
| 1135 | (setq beg (1+ beg)) | |
| 8626cfa2 MK |
1136 | (setq viper-last-ex-prompt |
| 1137 | (concat viper-last-ex-prompt " !"))))) | |
| 52fa07ba | 1138 | (substring str (or beg 0) end))) |
| bbe6126c | 1139 | |
| 52fa07ba | 1140 | |
| 8626cfa2 | 1141 | (defun viper-undisplayed-files () |
| 52fa07ba | 1142 | (mapcar |
| a1506d29 | 1143 | (lambda (b) |
| 3af0304a MK |
1144 | (if (null (get-buffer-window b)) |
| 1145 | (let ((f (buffer-file-name b))) | |
| 1146 | (if f f | |
| a1506d29 | 1147 | (if ex-cycle-through-non-files |
| 3af0304a MK |
1148 | (let ((s (buffer-name b))) |
| 1149 | (if (string= " " (substring s 0 1)) | |
| 1150 | nil | |
| 1151 | s)) | |
| 1152 | nil))) | |
| 1153 | nil)) | |
| 52fa07ba MK |
1154 | (buffer-list))) |
| 1155 | ||
| 1156 | ||
| 1157 | (defun ex-args () | |
| 8626cfa2 | 1158 | (let ((l (viper-undisplayed-files)) |
| 52fa07ba MK |
1159 | (args "") |
| 1160 | (file-count 1)) | |
| 1161 | (while (not (null l)) | |
| a1506d29 | 1162 | (if (car l) |
| 52fa07ba MK |
1163 | (setq args (format "%s %d) %s\n" args file-count (car l)) |
| 1164 | file-count (1+ file-count))) | |
| 1165 | (setq l (cdr l))) | |
| 1166 | (if (string= args "") | |
| 1167 | (message "All files are already displayed") | |
| 1168 | (save-excursion | |
| 1169 | (save-window-excursion | |
| 8626cfa2 | 1170 | (with-output-to-temp-buffer " *viper-info*" |
| 52fa07ba MK |
1171 | (princ "\n\nThese files are not displayed in any window.\n") |
| 1172 | (princ "\n=============\n") | |
| 1173 | (princ args) | |
| 1174 | (princ "\n=============\n") | |
| 1175 | (princ "\nThe numbers can be given as counts to :next. ") | |
| 1176 | (princ "\n\nPress any key to continue...\n\n")) | |
| 8626cfa2 | 1177 | (viper-read-event)))))) |
| 52fa07ba | 1178 | |
| 3af0304a | 1179 | ;; Ex cd command. Default directory of this buffer changes |
| 52fa07ba | 1180 | (defun ex-cd () |
| 8626cfa2 | 1181 | (viper-get-ex-file) |
| 52fa07ba MK |
1182 | (if (string= ex-file "") |
| 1183 | (setq ex-file "~")) | |
| 1184 | (setq default-directory (file-name-as-directory (expand-file-name ex-file)))) | |
| 1185 | ||
| 1186 | ;; Ex copy and move command. DEL-FLAG means delete | |
| 1187 | (defun ex-copy (del-flag) | |
| 8626cfa2 MK |
1188 | (viper-default-ex-addresses) |
| 1189 | (let ((address (viper-get-ex-address)) | |
| 52fa07ba MK |
1190 | (end (car ex-addresses)) (beg (car (cdr ex-addresses)))) |
| 1191 | (goto-char end) | |
| 1192 | (save-excursion | |
| 1193 | (push-mark beg t) | |
| 8626cfa2 | 1194 | (viper-enlarge-region (mark t) (point)) |
| 52fa07ba MK |
1195 | (if del-flag |
| 1196 | (kill-region (point) (mark t)) | |
| 1197 | (copy-region-as-kill (point) (mark t))) | |
| 1198 | (if ex-flag | |
| 1199 | (progn | |
| 8e41a31c | 1200 | (with-output-to-temp-buffer " *copy text*" |
| 52fa07ba MK |
1201 | (princ |
| 1202 | (if (or del-flag ex-g-flag ex-g-variant) | |
| 1203 | (current-kill 0) | |
| 1204 | (buffer-substring (point) (mark t))))) | |
| 1205 | (condition-case nil | |
| 1206 | (progn | |
| 8e41a31c MK |
1207 | (read-string "[Hit return to confirm] ") |
| 1208 | (save-excursion (kill-buffer " *copy text*"))) | |
| 1209 | (quit (save-excursion (kill-buffer " *copy text*")) | |
| 52fa07ba MK |
1210 | (signal 'quit nil)))))) |
| 1211 | (if (= address 0) | |
| 1212 | (goto-char (point-min)) | |
| 1213 | (goto-char address) | |
| 1214 | (forward-line 1)) | |
| 1215 | (insert (current-kill 0)))) | |
| 1216 | ||
| 1217 | ;; Ex delete command | |
| 1218 | (defun ex-delete () | |
| 8626cfa2 MK |
1219 | (viper-default-ex-addresses) |
| 1220 | (viper-get-ex-buffer) | |
| 52fa07ba | 1221 | (let ((end (car ex-addresses)) (beg (car (cdr ex-addresses)))) |
| 8626cfa2 | 1222 | (if (> beg end) (error viper-FirstAddrExceedsSecond)) |
| 52fa07ba | 1223 | (save-excursion |
| 8626cfa2 | 1224 | (viper-enlarge-region beg end) |
| 52fa07ba MK |
1225 | (exchange-point-and-mark) |
| 1226 | (if ex-count | |
| 1227 | (progn | |
| 1228 | (set-mark (point)) | |
| 1229 | (forward-line (1- ex-count))) | |
| 1230 | (set-mark end)) | |
| 8626cfa2 | 1231 | (viper-enlarge-region (point) (mark t)) |
| 52fa07ba MK |
1232 | (if ex-flag |
| 1233 | ;; show text to be deleted and ask for confirmation | |
| 1234 | (progn | |
| 1235 | (with-output-to-temp-buffer " *delete text*" | |
| 1236 | (princ (buffer-substring (point) (mark t)))) | |
| 1237 | (condition-case nil | |
| 8e41a31c | 1238 | (read-string "[Hit return to confirm] ") |
| 52fa07ba MK |
1239 | (quit |
| 1240 | (save-excursion (kill-buffer " *delete text*")) | |
| 69441214 | 1241 | (error "Viper bell"))) |
| 52fa07ba MK |
1242 | (save-excursion (kill-buffer " *delete text*"))) |
| 1243 | (if ex-buffer | |
| 8626cfa2 MK |
1244 | (cond ((viper-valid-register ex-buffer '(Letter)) |
| 1245 | (viper-append-to-register | |
| 52fa07ba | 1246 | (downcase ex-buffer) (point) (mark t))) |
| 8626cfa2 | 1247 | ((viper-valid-register ex-buffer) |
| 52fa07ba | 1248 | (copy-to-register ex-buffer (point) (mark t) nil)) |
| 8626cfa2 | 1249 | (t (error viper-InvalidRegister ex-buffer)))) |
| 52fa07ba MK |
1250 | (kill-region (point) (mark t)))))) |
| 1251 | ||
| 1252 | ||
| 1253 | ||
| 1254 | ;; Ex edit command | |
| 3af0304a | 1255 | ;; In Viper, `e' and `e!' behave identically. In both cases, the user is |
| 52fa07ba | 1256 | ;; asked if current buffer should really be discarded. |
| 3af0304a | 1257 | ;; This command can take multiple file names. It replaces the current buffer |
| 52fa07ba MK |
1258 | ;; with the first file in its argument list |
| 1259 | (defun ex-edit (&optional file) | |
| 1260 | (if (not file) | |
| 8626cfa2 | 1261 | (viper-get-ex-file)) |
| 52fa07ba | 1262 | (cond ((and (string= ex-file "") buffer-file-name) |
| 8626cfa2 | 1263 | (setq ex-file (viper-abbreviate-file-name (buffer-file-name)))) |
| 52fa07ba | 1264 | ((string= ex-file "") |
| 8626cfa2 | 1265 | (error viper-NoFileSpecified))) |
| a1506d29 | 1266 | |
| 2d341681 MK |
1267 | (let (msg do-edit) |
| 1268 | (if buffer-file-name | |
| 1269 | (cond ((buffer-modified-p) | |
| 1270 | (setq msg | |
| 1271 | (format "Buffer %s is modified. Discard changes? " | |
| 1272 | (buffer-name)) | |
| 1273 | do-edit t)) | |
| 1274 | ((not (verify-visited-file-modtime (current-buffer))) | |
| 1275 | (setq msg | |
| 1276 | (format "File %s changed on disk. Reread from disk? " | |
| 1277 | buffer-file-name) | |
| 1278 | do-edit t)) | |
| 1279 | (t (setq do-edit nil)))) | |
| a1506d29 | 1280 | |
| 2d341681 MK |
1281 | (if do-edit |
| 1282 | (if (yes-or-no-p msg) | |
| 1283 | (progn | |
| 1284 | (set-buffer-modified-p nil) | |
| 1285 | (kill-buffer (current-buffer))) | |
| 1286 | (message "Buffer %s was left intact" (buffer-name)))) | |
| 1287 | ) ; let | |
| a1506d29 | 1288 | |
| 52fa07ba | 1289 | (if (null (setq file (get-file-buffer ex-file))) |
| a1506d29 | 1290 | (progn |
| 3af0304a MK |
1291 | ;; this also does shell-style globbing |
| 1292 | (ex-find-file | |
| 1293 | ;; replace # and % with the previous/current file | |
| 1294 | (ex-expand-filsyms ex-file (current-buffer))) | |
| ab124470 | 1295 | (or (eq major-mode 'dired-mode) |
| 8626cfa2 | 1296 | (viper-change-state-to-vi)) |
| 52fa07ba MK |
1297 | (goto-char (point-min))) |
| 1298 | (switch-to-buffer file)) | |
| 1299 | (if ex-offset | |
| 1300 | (progn | |
| 1301 | (save-window-excursion | |
| a1506d29 | 1302 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 8626cfa2 | 1303 | (set-buffer viper-ex-work-buf) |
| 52fa07ba MK |
1304 | (delete-region (point-min) (point-max)) |
| 1305 | (insert ex-offset "\n") | |
| 1306 | (goto-char (point-min))) | |
| 8626cfa2 | 1307 | (goto-char (viper-get-ex-address)) |
| 52fa07ba | 1308 | (beginning-of-line))) |
| 8626cfa2 | 1309 | (ex-fixup-history viper-last-ex-prompt ex-file)) |
| 52fa07ba | 1310 | |
| ab124470 | 1311 | ;; Find-file FILESPEC if it appears to specify a single file. |
| 2eb4bdca | 1312 | ;; Otherwise, assume that FILESPEC is a wildcard. |
| ab124470 | 1313 | ;; In this case, split it into substrings separated by newlines. |
| 3af0304a | 1314 | ;; Each line is assumed to be a file name. |
| 52fa07ba | 1315 | (defun ex-find-file (filespec) |
| ab124470 MK |
1316 | (let ((nonstandard-filename-chars "[^-a-zA-Z0-9_./,~$\\]")) |
| 1317 | (cond ((file-exists-p filespec) (find-file filespec)) | |
| 1318 | ((string-match nonstandard-filename-chars filespec) | |
| 3af0304a | 1319 | (mapcar 'find-file (funcall viper-glob-function filespec))) |
| ab124470 | 1320 | (t (find-file filespec))) |
| 52fa07ba | 1321 | )) |
| bbe6126c | 1322 | |
| 6c2e12f4 | 1323 | |
| 52fa07ba | 1324 | ;; Ex global command |
| 1e70790f MK |
1325 | ;; This is executed in response to: |
| 1326 | ;; :global "pattern" ex-command | |
| 1327 | ;; :vglobal "pattern" ex-command | |
| 1328 | ;; :global executes ex-command on all lines matching <pattern> | |
| 1329 | ;; :vglobal executes ex-command on all lines that don't match <pattern> | |
| 1330 | ;; | |
| 1331 | ;; With VARIANT nil, this functions executes :global | |
| 1332 | ;; With VARIANT t, executes :vglobal | |
| 52fa07ba MK |
1333 | (defun ex-global (variant) |
| 1334 | (let ((gcommand ex-token)) | |
| 1335 | (if (or ex-g-flag ex-g-variant) | |
| 1336 | (error "`%s' within `global' is not allowed" gcommand) | |
| 1337 | (if variant | |
| 1338 | (setq ex-g-flag nil | |
| 1339 | ex-g-variant t) | |
| 1340 | (setq ex-g-flag t | |
| 1341 | ex-g-variant nil))) | |
| 8626cfa2 | 1342 | (viper-get-ex-pat) |
| 52fa07ba MK |
1343 | (if (null ex-token) |
| 1344 | (error "`%s': Missing regular expression" gcommand))) | |
| a1506d29 | 1345 | |
| 52fa07ba | 1346 | (if (string= ex-token "") |
| 8626cfa2 MK |
1347 | (if (null viper-s-string) |
| 1348 | (error viper-NoPrevSearch) | |
| 1349 | (setq ex-g-pat viper-s-string)) | |
| 52fa07ba | 1350 | (setq ex-g-pat ex-token |
| 8626cfa2 | 1351 | viper-s-string ex-token)) |
| 52fa07ba MK |
1352 | (if (null ex-addresses) |
| 1353 | (setq ex-addresses (list (point-max) (point-min))) | |
| 8626cfa2 | 1354 | (viper-default-ex-addresses)) |
| 241d963d MK |
1355 | (setq ex-g-marks nil) |
| 1356 | (let ((mark-count 0) | |
| 1e70790f MK |
1357 | (end (car ex-addresses)) |
| 1358 | (beg (car (cdr ex-addresses))) | |
| 1359 | com-str) | |
| 8626cfa2 | 1360 | (if (> beg end) (error viper-FirstAddrExceedsSecond)) |
| 52fa07ba | 1361 | (save-excursion |
| 8626cfa2 | 1362 | (viper-enlarge-region beg end) |
| 52fa07ba MK |
1363 | (exchange-point-and-mark) |
| 1364 | (let ((cont t) (limit (point-marker))) | |
| 1365 | (exchange-point-and-mark) | |
| 1366 | ;; skip the last line if empty | |
| 1367 | (beginning-of-line) | |
| 8626cfa2 | 1368 | (if (eobp) (viper-backward-char-carefully)) |
| 52fa07ba MK |
1369 | (while (and cont (not (bobp)) (>= (point) limit)) |
| 1370 | (beginning-of-line) | |
| 1371 | (set-mark (point)) | |
| 1372 | (end-of-line) | |
| 1373 | (let ((found (re-search-backward ex-g-pat (mark t) t))) | |
| 1374 | (if (or (and ex-g-flag found) | |
| 1375 | (and ex-g-variant (not found))) | |
| 1376 | (progn | |
| 1377 | (end-of-line) | |
| 1378 | (setq mark-count (1+ mark-count)) | |
| 241d963d | 1379 | (setq ex-g-marks (cons (point-marker) ex-g-marks))))) |
| 52fa07ba MK |
1380 | (beginning-of-line) |
| 1381 | (if (bobp) (setq cont nil) | |
| 1382 | (forward-line -1) | |
| 1383 | (end-of-line))))) | |
| 1384 | (save-window-excursion | |
| a1506d29 | 1385 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 8626cfa2 | 1386 | (set-buffer viper-ex-work-buf) |
| 3af0304a | 1387 | ;; com-str is the command string, i.e., g/pattern/ or v/pattern' |
| 52fa07ba | 1388 | (setq com-str (buffer-substring (1+ (point)) (1- (point-max))))) |
| 241d963d MK |
1389 | (while ex-g-marks |
| 1390 | (goto-char (car ex-g-marks)) | |
| 3af0304a | 1391 | (viper-ex nil com-str) |
| 52fa07ba | 1392 | (setq mark-count (1- mark-count)) |
| 241d963d | 1393 | (setq ex-g-marks (cdr ex-g-marks))))) |
| 52fa07ba MK |
1394 | |
| 1395 | ;; Ex goto command | |
| 1396 | (defun ex-goto () | |
| 1397 | (if (null ex-addresses) | |
| 1398 | (setq ex-addresses (cons (point) nil))) | |
| 1399 | (push-mark (point) t) | |
| 1400 | (goto-char (car ex-addresses)) | |
| 3af0304a MK |
1401 | (beginning-of-line) |
| 1402 | ) | |
| 52fa07ba MK |
1403 | |
| 1404 | ;; Ex line commands. COM is join, shift-right or shift-left | |
| 1405 | (defun ex-line (com) | |
| 8626cfa2 MK |
1406 | (viper-default-ex-addresses) |
| 1407 | (viper-get-ex-count) | |
| 52fa07ba | 1408 | (let ((end (car ex-addresses)) (beg (car (cdr ex-addresses))) point) |
| 8626cfa2 | 1409 | (if (> beg end) (error viper-FirstAddrExceedsSecond)) |
| 52fa07ba | 1410 | (save-excursion |
| 8626cfa2 | 1411 | (viper-enlarge-region beg end) |
| 52fa07ba MK |
1412 | (exchange-point-and-mark) |
| 1413 | (if ex-count | |
| 1414 | (progn | |
| 1415 | (set-mark (point)) | |
| 1416 | (forward-line ex-count))) | |
| 1417 | (if ex-flag | |
| 1418 | ;; show text to be joined and ask for confirmation | |
| 1419 | (progn | |
| 8e41a31c | 1420 | (with-output-to-temp-buffer " *join text*" |
| 52fa07ba MK |
1421 | (princ (buffer-substring (point) (mark t)))) |
| 1422 | (condition-case nil | |
| 1423 | (progn | |
| 8e41a31c | 1424 | (read-string "[Hit return to confirm] ") |
| 52fa07ba MK |
1425 | (ex-line-subr com (point) (mark t))) |
| 1426 | (quit (ding))) | |
| 8e41a31c | 1427 | (save-excursion (kill-buffer " *join text*"))) |
| 52fa07ba MK |
1428 | (ex-line-subr com (point) (mark t))) |
| 1429 | (setq point (point))) | |
| 1430 | (goto-char (1- point)) | |
| 1431 | (beginning-of-line))) | |
| 1432 | ||
| 1433 | (defun ex-line-subr (com beg end) | |
| 1434 | (cond ((string= com "join") | |
| 1435 | (goto-char (min beg end)) | |
| 1436 | (while (and (not (eobp)) (< (point) (max beg end))) | |
| 1437 | (end-of-line) | |
| 1438 | (if (and (<= (point) (max beg end)) (not (eobp))) | |
| 1439 | (progn | |
| 1440 | (forward-line 1) | |
| 1441 | (delete-region (point) (1- (point))) | |
| 1442 | (if (not ex-variant) (fixup-whitespace)))))) | |
| 1443 | ((or (string= com "right") (string= com "left")) | |
| 1444 | (indent-rigidly | |
| 1445 | (min beg end) (max beg end) | |
| 8626cfa2 | 1446 | (if (string= com "right") viper-shift-width (- viper-shift-width))) |
| 52fa07ba MK |
1447 | (goto-char (max beg end)) |
| 1448 | (end-of-line) | |
| 8626cfa2 | 1449 | (viper-forward-char-carefully)))) |
| 52fa07ba MK |
1450 | |
| 1451 | ||
| 1452 | ;; Ex mark command | |
| 4986c2c6 MK |
1453 | ;; Sets the mark to the current point. |
| 1454 | ;; If name is omitted, get the name straight from the work buffer." | |
| 1455 | (defun ex-mark (&optional name) | |
| 52fa07ba MK |
1456 | (let (char) |
| 1457 | (if (null ex-addresses) | |
| 1458 | (setq ex-addresses | |
| 1459 | (cons (point) nil))) | |
| 4986c2c6 MK |
1460 | (if name |
| 1461 | (if (eq 1 (length name)) | |
| 1462 | (setq char (string-to-char name)) | |
| 60370d40 | 1463 | (error "`%s': Spurious text \"%s\" after mark name" |
| 0b762d9a | 1464 | name (substring name 1))) |
| 52fa07ba | 1465 | (save-window-excursion |
| a1506d29 | 1466 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 8626cfa2 | 1467 | (set-buffer viper-ex-work-buf) |
| 52fa07ba MK |
1468 | (skip-chars-forward " \t") |
| 1469 | (if (looking-at "[a-z]") | |
| 1470 | (progn | |
| 1471 | (setq char (following-char)) | |
| 1472 | (forward-char 1) | |
| 1473 | (skip-chars-forward " \t") | |
| 1474 | (if (not (looking-at "[\n|]")) | |
| 8626cfa2 | 1475 | (error "`%s': %s" ex-token viper-SpuriousText))) |
| 4986c2c6 | 1476 | (error "`%s' requires a following letter" ex-token)))) |
| 52fa07ba MK |
1477 | (save-excursion |
| 1478 | (goto-char (car ex-addresses)) | |
| 4960e757 | 1479 | (point-to-register (viper-int-to-char (1+ (- char ?a))))))) |
| 6c2e12f4 | 1480 | |
| a1506d29 JB |
1481 | |
| 1482 | ||
| 52fa07ba MK |
1483 | ;; Alternate file is the file next to the first one in the buffer ring |
| 1484 | (defun ex-next (cycle-other-window &optional find-alt-file) | |
| 1485 | (catch 'ex-edit | |
| 1486 | (let (count l) | |
| a1506d29 | 1487 | (if (not find-alt-file) |
| bbe6126c | 1488 | (progn |
| 8626cfa2 | 1489 | (viper-get-ex-file) |
| 52fa07ba | 1490 | (if (or (char-or-string-p ex-offset) |
| a1506d29 | 1491 | (and (not (string= "" ex-file)) |
| 52fa07ba | 1492 | (not (string-match "^[0-9]+$" ex-file)))) |
| bbe6126c | 1493 | (progn |
| 52fa07ba MK |
1494 | (ex-edit t) |
| 1495 | (throw 'ex-edit nil)) | |
| 027a4b6b | 1496 | (setq count (string-to-number ex-file)) |
| 52fa07ba MK |
1497 | (if (= count 0) (setq count 1)) |
| 1498 | (if (< count 0) (error "Usage: `next <count>' (count >= 0)")))) | |
| 1499 | (setq count 1)) | |
| 8626cfa2 | 1500 | (setq l (viper-undisplayed-files)) |
| 52fa07ba MK |
1501 | (while (> count 0) |
| 1502 | (while (and (not (null l)) (null (car l))) | |
| 1503 | (setq l (cdr l))) | |
| 1504 | (setq count (1- count)) | |
| 1505 | (if (> count 0) | |
| 1506 | (setq l (cdr l)))) | |
| 1507 | (if find-alt-file (car l) | |
| 1508 | (progn | |
| 1509 | (if (and (car l) (get-file-buffer (car l))) | |
| 1510 | (let* ((w (if cycle-other-window | |
| 1511 | (get-lru-window) (selected-window))) | |
| 1512 | (b (window-buffer w))) | |
| 1513 | (set-window-buffer w (get-file-buffer (car l))) | |
| 1514 | (bury-buffer b) | |
| 1515 | ;; this puts "next <count>" in the ex-command history | |
| 8626cfa2 | 1516 | (ex-fixup-history viper-last-ex-prompt ex-file)) |
| 52fa07ba MK |
1517 | (error "Not that many undisplayed files"))))))) |
| 1518 | ||
| 1519 | ||
| 1520 | (defun ex-next-related-buffer (direction &optional no-recursion) | |
| a1506d29 | 1521 | |
| 8626cfa2 | 1522 | (viper-ring-rotate1 viper-related-files-and-buffers-ring direction) |
| a1506d29 JB |
1523 | |
| 1524 | (let ((file-or-buffer-name | |
| 8626cfa2 MK |
1525 | (viper-current-ring-item viper-related-files-and-buffers-ring)) |
| 1526 | (old-ring viper-related-files-and-buffers-ring) | |
| 52fa07ba MK |
1527 | (old-win (selected-window)) |
| 1528 | skip-rest buf wind) | |
| a1506d29 | 1529 | |
| 8626cfa2 MK |
1530 | (or (and (ring-p viper-related-files-and-buffers-ring) |
| 1531 | (> (ring-length viper-related-files-and-buffers-ring) 0)) | |
| 52fa07ba | 1532 | (error "This buffer has no related files or buffers")) |
| a1506d29 | 1533 | |
| 52fa07ba MK |
1534 | (or (stringp file-or-buffer-name) |
| 1535 | (error | |
| 1536 | "File and buffer names must be strings, %S" file-or-buffer-name)) | |
| a1506d29 | 1537 | |
| 52fa07ba MK |
1538 | (setq buf (cond ((get-buffer file-or-buffer-name)) |
| 1539 | ((file-exists-p file-or-buffer-name) | |
| 1540 | (find-file-noselect file-or-buffer-name)) | |
| 1541 | )) | |
| a1506d29 | 1542 | |
| 8626cfa2 | 1543 | (if (not (viper-buffer-live-p buf)) |
| 52fa07ba MK |
1544 | (error "Didn't find buffer %S or file %S" |
| 1545 | file-or-buffer-name | |
| 8626cfa2 | 1546 | (viper-abbreviate-file-name |
| 52fa07ba | 1547 | (expand-file-name file-or-buffer-name)))) |
| a1506d29 | 1548 | |
| 52fa07ba MK |
1549 | (if (equal buf (current-buffer)) |
| 1550 | (or no-recursion | |
| 1551 | ;; try again | |
| 1552 | (progn | |
| 1553 | (setq skip-rest t) | |
| 1554 | (ex-next-related-buffer direction 'norecursion)))) | |
| a1506d29 | 1555 | |
| 52fa07ba MK |
1556 | (if skip-rest |
| 1557 | () | |
| 1558 | ;; setup buffer | |
| 8626cfa2 | 1559 | (if (setq wind (viper-get-visible-buffer-window buf)) |
| 52fa07ba | 1560 | () |
| 8626cfa2 | 1561 | (setq wind (get-lru-window (if viper-xemacs-p nil 'visible))) |
| 52fa07ba | 1562 | (set-window-buffer wind buf)) |
| a1506d29 | 1563 | |
| 8626cfa2 | 1564 | (if (viper-window-display-p) |
| 52fa07ba MK |
1565 | (progn |
| 1566 | (raise-frame (window-frame wind)) | |
| 1567 | (if (equal (window-frame wind) (window-frame old-win)) | |
| 1568 | (save-window-excursion (select-window wind) (sit-for 1)) | |
| 1569 | (select-window wind))) | |
| 1570 | (save-window-excursion (select-window wind) (sit-for 1))) | |
| a1506d29 | 1571 | |
| 52fa07ba MK |
1572 | (save-excursion |
| 1573 | (set-buffer buf) | |
| 8626cfa2 | 1574 | (setq viper-related-files-and-buffers-ring old-ring)) |
| a1506d29 | 1575 | |
| 8626cfa2 | 1576 | (setq viper-local-search-start-marker (point-marker)) |
| 52fa07ba | 1577 | ))) |
| a1506d29 JB |
1578 | |
| 1579 | ||
| 52fa07ba MK |
1580 | ;; Force auto save |
| 1581 | (defun ex-preserve () | |
| 1582 | (message "Autosaving all buffers that need to be saved...") | |
| 1583 | (do-auto-save t)) | |
| 1584 | ||
| 1585 | ;; Ex put | |
| 1586 | (defun ex-put () | |
| 1587 | (let ((point (if (null ex-addresses) (point) (car ex-addresses)))) | |
| 8626cfa2 MK |
1588 | (viper-get-ex-buffer) |
| 1589 | (setq viper-use-register ex-buffer) | |
| 52fa07ba | 1590 | (goto-char point) |
| 8626cfa2 | 1591 | (if (bobp) (viper-Put-back 1) (viper-put-back 1)))) |
| 52fa07ba MK |
1592 | |
| 1593 | ;; Ex print working directory | |
| 1594 | (defun ex-pwd () | |
| 7b8a295e | 1595 | (message "%s" default-directory)) |
| 52fa07ba MK |
1596 | |
| 1597 | ;; Ex quit command | |
| 1598 | (defun ex-quit () | |
| 3af0304a | 1599 | ;; skip "!", if it is q!. In Viper q!, w!, etc., behave as q, w, etc. |
| 52fa07ba | 1600 | (save-excursion |
| a1506d29 | 1601 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 8626cfa2 | 1602 | (set-buffer viper-ex-work-buf) |
| 52fa07ba | 1603 | (if (looking-at "!") (forward-char 1))) |
| 1e70790f | 1604 | (if (< viper-expert-level 3) |
| 52fa07ba MK |
1605 | (save-buffers-kill-emacs) |
| 1606 | (kill-buffer (current-buffer)))) | |
| 6c2e12f4 | 1607 | |
| 6c2e12f4 | 1608 | |
| 52fa07ba | 1609 | ;; Ex read command |
| 3af0304a MK |
1610 | ;; ex-read doesn't support wildcards, because file completion is a better |
| 1611 | ;; mechanism. We also don't support # and % (except in :r <shell-command> | |
| 1612 | ;; because file history is a better mechanism. | |
| 52fa07ba | 1613 | (defun ex-read () |
| 8626cfa2 | 1614 | (viper-get-ex-file) |
| 52fa07ba MK |
1615 | (let ((point (if (null ex-addresses) (point) (car ex-addresses))) |
| 1616 | command) | |
| 1617 | (goto-char point) | |
| 8626cfa2 | 1618 | (viper-add-newline-at-eob-if-necessary) |
| 52fa07ba MK |
1619 | (if (not (or (bobp) (eobp))) (forward-line 1)) |
| 1620 | (if (and (not ex-variant) (string= ex-file "")) | |
| 1621 | (progn | |
| 1622 | (if (null buffer-file-name) | |
| 8626cfa2 | 1623 | (error viper-NoFileSpecified)) |
| 52fa07ba MK |
1624 | (setq ex-file buffer-file-name))) |
| 1625 | (if ex-cmdfile | |
| 1626 | (progn | |
| a1506d29 | 1627 | (setq command |
| 3af0304a | 1628 | ;; replace # and % with the previous/current file |
| 7eb605c7 MK |
1629 | (ex-expand-filsyms |
| 1630 | (concat (shell-quote-argument ex-file) ex-cmdfile-args) | |
| 1631 | (current-buffer))) | |
| 52fa07ba MK |
1632 | (shell-command command t)) |
| 1633 | (insert-file-contents ex-file))) | |
| 328b4b70 | 1634 | (ex-fixup-history viper-last-ex-prompt ex-file ex-cmdfile-args)) |
| a1506d29 | 1635 | |
| 52fa07ba | 1636 | ;; this function fixes ex-history for some commands like ex-read, ex-edit |
| a1506d29 | 1637 | (defun ex-fixup-history (&rest args) |
| 8626cfa2 MK |
1638 | (setq viper-ex-history |
| 1639 | (cons (mapconcat 'identity args " ") (cdr viper-ex-history)))) | |
| a1506d29 | 1640 | |
| 52fa07ba MK |
1641 | |
| 1642 | ;; Ex recover from emacs \#file\# | |
| 1643 | (defun ex-recover () | |
| 8626cfa2 | 1644 | (viper-get-ex-file) |
| 52fa07ba | 1645 | (if (or ex-append ex-offset) |
| 8626cfa2 | 1646 | (error "`recover': %s" viper-SpuriousText)) |
| 52fa07ba MK |
1647 | (if (string= ex-file "") |
| 1648 | (progn | |
| 1649 | (if (null buffer-file-name) | |
| 1650 | (error "This buffer isn't visiting any file")) | |
| 1651 | (setq ex-file buffer-file-name)) | |
| 1652 | (setq ex-file (expand-file-name ex-file))) | |
| 1653 | (if (and (not (string= ex-file (buffer-file-name))) | |
| 1654 | (buffer-modified-p) | |
| 1655 | (not ex-variant)) | |
| 1656 | (error "No write since last change \(:rec! overrides\)")) | |
| 1657 | (recover-file ex-file)) | |
| 1658 | ||
| 1659 | ;; Tell that `rewind' is obsolete and to use `:next count' instead | |
| 1660 | (defun ex-rewind () | |
| 1661 | (message | |
| 3af0304a | 1662 | "Use `:n <count>' instead. Counts are obtained from the `:args' command")) |
| 52fa07ba MK |
1663 | |
| 1664 | ||
| 1665 | ;; read variable name for ex-set | |
| 1666 | (defun ex-set-read-variable () | |
| 1667 | (let ((minibuffer-local-completion-map | |
| 1668 | (copy-keymap minibuffer-local-completion-map)) | |
| 1669 | (cursor-in-echo-area t) | |
| 1670 | str batch) | |
| 1671 | (define-key | |
| 1672 | minibuffer-local-completion-map " " 'minibuffer-complete-and-exit) | |
| 1673 | (define-key minibuffer-local-completion-map "=" 'exit-minibuffer) | |
| 8626cfa2 | 1674 | (if (viper-set-unread-command-events |
| 52fa07ba MK |
1675 | (ex-get-inline-cmd-args "[ \t]*[a-zA-Z]*[ \t]*" nil "\C-m")) |
| 1676 | (progn | |
| 1677 | (setq batch t) | |
| 8626cfa2 | 1678 | (viper-set-unread-command-events ?\C-m))) |
| 52fa07ba MK |
1679 | (message ":set <Variable> [= <Value>]") |
| 1680 | (or batch (sit-for 2)) | |
| a1506d29 | 1681 | |
| 52fa07ba MK |
1682 | (while (string-match "^[ \\t\\n]*$" |
| 1683 | (setq str | |
| 1684 | (completing-read ":set " ex-variable-alist))) | |
| e36a387d | 1685 | (message ":set <Variable> [= <Value>]") |
| 52fa07ba | 1686 | ;; if there are unread events, don't wait |
| 8626cfa2 | 1687 | (or (viper-set-unread-command-events "") (sit-for 2)) |
| 52fa07ba MK |
1688 | ) ; while |
| 1689 | str)) | |
| 1690 | ||
| 1691 | ||
| 1692 | (defun ex-set () | |
| 1693 | (let ((var (ex-set-read-variable)) | |
| 1694 | (val 0) | |
| 1695 | (set-cmd "setq") | |
| 1696 | (ask-if-save t) | |
| 1697 | (auto-cmd-label "; don't touch or else...") | |
| 1698 | (delete-turn-on-auto-fill-pattern | |
| 2eb4bdca | 1699 | "([ \t]*add-hook[ \t]+'viper-insert-state-hook[ \t]+'turn-on-auto-fill.*)") |
| 52fa07ba MK |
1700 | actual-lisp-cmd lisp-cmd-del-pattern |
| 1701 | val2 orig-var) | |
| 1702 | (setq orig-var var) | |
| e36a387d MK |
1703 | (cond ((string= var "all") |
| 1704 | (setq ask-if-save nil | |
| 1705 | set-cmd nil)) | |
| 1706 | ((member var '("ai" "autoindent")) | |
| 8626cfa2 | 1707 | (setq var "viper-auto-indent" |
| 52fa07ba MK |
1708 | set-cmd "setq" |
| 1709 | ask-if-save nil | |
| 1710 | val "t")) | |
| e36a387d | 1711 | ((member var '("ai-g" "autoindent-global")) |
| 8626cfa2 MK |
1712 | (kill-local-variable 'viper-auto-indent) |
| 1713 | (setq var "viper-auto-indent" | |
| 52fa07ba MK |
1714 | set-cmd "setq-default" |
| 1715 | val "t")) | |
| 1716 | ((member var '("noai" "noautoindent")) | |
| 8626cfa2 | 1717 | (setq var "viper-auto-indent" |
| 52fa07ba MK |
1718 | ask-if-save nil |
| 1719 | val "nil")) | |
| e36a387d | 1720 | ((member var '("noai-g" "noautoindent-global")) |
| 8626cfa2 MK |
1721 | (kill-local-variable 'viper-auto-indent) |
| 1722 | (setq var "viper-auto-indent" | |
| 52fa07ba MK |
1723 | set-cmd "setq-default" |
| 1724 | val "nil")) | |
| 1725 | ((member var '("ic" "ignorecase")) | |
| 8626cfa2 | 1726 | (setq var "viper-case-fold-search" |
| 52fa07ba MK |
1727 | val "t")) |
| 1728 | ((member var '("noic" "noignorecase")) | |
| 8626cfa2 | 1729 | (setq var "viper-case-fold-search" |
| 52fa07ba MK |
1730 | val "nil")) |
| 1731 | ((member var '("ma" "magic")) | |
| 8626cfa2 | 1732 | (setq var "viper-re-search" |
| 52fa07ba | 1733 | val "t")) |
| e36a387d | 1734 | ((member var '("noma" "nomagic")) |
| 8626cfa2 | 1735 | (setq var "viper-re-search" |
| 52fa07ba MK |
1736 | val "nil")) |
| 1737 | ((member var '("ro" "readonly")) | |
| 1738 | (setq var "buffer-read-only" | |
| 1739 | val "t")) | |
| 1740 | ((member var '("noro" "noreadonly")) | |
| 1741 | (setq var "buffer-read-only" | |
| 1742 | val "nil")) | |
| 1743 | ((member var '("sm" "showmatch")) | |
| 1744 | (setq var "blink-matching-paren" | |
| 1745 | val "t")) | |
| 1746 | ((member var '("nosm" "noshowmatch")) | |
| 1747 | (setq var "blink-matching-paren" | |
| 1748 | val "nil")) | |
| 1749 | ((member var '("ws" "wrapscan")) | |
| 8626cfa2 | 1750 | (setq var "viper-search-wrap-around-t" |
| 52fa07ba MK |
1751 | val "t")) |
| 1752 | ((member var '("nows" "nowrapscan")) | |
| 8626cfa2 | 1753 | (setq var "viper-search-wrap-around-t" |
| 52fa07ba | 1754 | val "nil"))) |
| e36a387d | 1755 | (if (and set-cmd (eq val 0)) ; value must be set by the user |
| 52fa07ba MK |
1756 | (let ((cursor-in-echo-area t)) |
| 1757 | (message ":set %s = <Value>" var) | |
| 1758 | ;; if there are unread events, don't wait | |
| 8626cfa2 | 1759 | (or (viper-set-unread-command-events "") (sit-for 2)) |
| 52fa07ba MK |
1760 | (setq val (read-string (format ":set %s = " var))) |
| 1761 | (ex-fixup-history "set" orig-var val) | |
| a1506d29 | 1762 | |
| 52fa07ba MK |
1763 | ;; check numerical values |
| 1764 | (if (member var | |
| 1765 | '("sw" "shiftwidth" | |
| 1766 | "ts" "tabstop" | |
| e36a387d | 1767 | "ts-g" "tabstop-global" |
| a1506d29 | 1768 | "wm" "wrapmargin")) |
| 52fa07ba MK |
1769 | (condition-case nil |
| 1770 | (or (numberp (setq val2 (car (read-from-string val)))) | |
| 1771 | (error "%s: Invalid value, numberp, %S" var val)) | |
| 1772 | (error | |
| 1773 | (error "%s: Invalid value, numberp, %S" var val)))) | |
| a1506d29 | 1774 | |
| 52fa07ba MK |
1775 | (cond |
| 1776 | ((member var '("sw" "shiftwidth")) | |
| 8626cfa2 | 1777 | (setq var "viper-shift-width")) |
| 52fa07ba MK |
1778 | ((member var '("ts" "tabstop")) |
| 1779 | ;; make it take effect in curr buff and new bufs | |
| 1780 | (setq var "tab-width" | |
| 1781 | set-cmd "setq" | |
| 1782 | ask-if-save nil)) | |
| e36a387d | 1783 | ((member var '("ts-g" "tabstop-global")) |
| 52fa07ba MK |
1784 | (kill-local-variable 'tab-width) |
| 1785 | (setq var "tab-width" | |
| 1786 | set-cmd "setq-default")) | |
| 1787 | ((member var '("wm" "wrapmargin")) | |
| 1788 | ;; make it take effect in curr buff and new bufs | |
| a1506d29 JB |
1789 | (kill-local-variable 'fill-column) |
| 1790 | (setq var "fill-column" | |
| 52fa07ba MK |
1791 | val (format "(- (window-width) %s)" val) |
| 1792 | set-cmd "setq-default")) | |
| 1793 | ((member var '("sh" "shell")) | |
| 1794 | (setq var "explicit-shell-file-name" | |
| 1795 | val (format "\"%s\"" val))))) | |
| 1796 | (ex-fixup-history "set" orig-var)) | |
| a1506d29 | 1797 | |
| e36a387d MK |
1798 | (if set-cmd |
| 1799 | (setq actual-lisp-cmd | |
| 1800 | (format "\n(%s %s %s) %s" set-cmd var val auto-cmd-label) | |
| 1801 | lisp-cmd-del-pattern | |
| 1802 | (format "^\n?[ \t]*([ \t]*%s[ \t]+%s[ \t].*)[ \t]*%s" | |
| 1803 | set-cmd var auto-cmd-label))) | |
| a1506d29 | 1804 | |
| 52fa07ba MK |
1805 | (if (and ask-if-save |
| 1806 | (y-or-n-p (format "Do you want to save this setting in %s " | |
| 8626cfa2 | 1807 | viper-custom-file-name))) |
| 52fa07ba | 1808 | (progn |
| a1506d29 | 1809 | (viper-save-string-in-file |
| 8626cfa2 | 1810 | actual-lisp-cmd viper-custom-file-name |
| 52fa07ba MK |
1811 | ;; del pattern |
| 1812 | lisp-cmd-del-pattern) | |
| 1813 | (if (string= var "fill-column") | |
| 1814 | (if (> val2 0) | |
| 8626cfa2 | 1815 | (viper-save-string-in-file |
| 52fa07ba | 1816 | (concat |
| 2eb4bdca | 1817 | "(add-hook 'viper-insert-state-hook 'turn-on-auto-fill) " |
| 52fa07ba | 1818 | auto-cmd-label) |
| 8626cfa2 | 1819 | viper-custom-file-name |
| 52fa07ba | 1820 | delete-turn-on-auto-fill-pattern) |
| 8626cfa2 MK |
1821 | (viper-save-string-in-file |
| 1822 | nil viper-custom-file-name delete-turn-on-auto-fill-pattern) | |
| 1823 | (viper-save-string-in-file | |
| 1824 | nil viper-custom-file-name | |
| 52fa07ba MK |
1825 | ;; del pattern |
| 1826 | lisp-cmd-del-pattern) | |
| 1827 | )) | |
| 1828 | )) | |
| a1506d29 | 1829 | |
| e36a387d MK |
1830 | (if set-cmd |
| 1831 | (message "%s %s %s" | |
| 1832 | set-cmd var | |
| 1833 | (if (string-match "^[ \t]*$" val) | |
| 1834 | (format "%S" val) | |
| 1835 | val))) | |
| 1836 | (if actual-lisp-cmd | |
| 1837 | (eval (car (read-from-string actual-lisp-cmd)))) | |
| 1838 | (if (string= var "fill-column") | |
| 1839 | (if (> val2 0) | |
| 1840 | (auto-fill-mode 1) | |
| 1841 | (auto-fill-mode -1))) | |
| 1842 | (if (string= var "all") (ex-show-vars)) | |
| 52fa07ba | 1843 | )) |
| 6c2e12f4 | 1844 | |
| 52fa07ba MK |
1845 | ;; In inline args, skip regex-forw and (optionally) chars-back. |
| 1846 | ;; Optional 3d arg is a string that should replace ' ' to prevent its | |
| 1847 | ;; special meaning | |
| 1848 | (defun ex-get-inline-cmd-args (regex-forw &optional chars-back replace-str) | |
| 1849 | (save-excursion | |
| a1506d29 | 1850 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 8626cfa2 | 1851 | (set-buffer viper-ex-work-buf) |
| 52fa07ba MK |
1852 | (goto-char (point-min)) |
| 1853 | (re-search-forward regex-forw nil t) | |
| 1854 | (let ((beg (point)) | |
| 1855 | end) | |
| 1856 | (goto-char (point-max)) | |
| 1857 | (if chars-back | |
| 1858 | (skip-chars-backward chars-back) | |
| 1859 | (skip-chars-backward " \t\n\C-m")) | |
| 1860 | (setq end (point)) | |
| 1861 | ;; replace SPC with `=' to suppress the special meaning SPC has | |
| 1862 | ;; in Ex commands | |
| 1863 | (goto-char beg) | |
| 1864 | (if replace-str | |
| 1865 | (while (re-search-forward " +" nil t) | |
| 1866 | (replace-match replace-str nil t) | |
| 8626cfa2 | 1867 | (viper-forward-char-carefully))) |
| 52fa07ba MK |
1868 | (goto-char end) |
| 1869 | (buffer-substring beg end)))) | |
| 1870 | ||
| 1871 | ||
| 1872 | ;; Ex shell command | |
| 1873 | (defun ex-shell () | |
| 1874 | (shell)) | |
| a1506d29 | 1875 | |
| 3af0304a | 1876 | ;; Viper help. Invokes Info |
| 52fa07ba MK |
1877 | (defun ex-help () |
| 1878 | (condition-case nil | |
| 1879 | (progn | |
| 1880 | (pop-to-buffer (get-buffer-create "*info*")) | |
| 8626cfa2 | 1881 | (info (if viper-xemacs-p "viper.info" "viper")) |
| 52fa07ba MK |
1882 | (message "Type `i' to search for a specific topic")) |
| 1883 | (error (beep 1) | |
| 8626cfa2 | 1884 | (with-output-to-temp-buffer " *viper-info*" |
| 52fa07ba MK |
1885 | (princ (format " |
| 1886 | The Info file for Viper does not seem to be installed. | |
| 1887 | ||
| 1888 | This file is part of the standard distribution of %sEmacs. | |
| 1889 | Please contact your system administrator. " | |
| 8626cfa2 | 1890 | (if viper-xemacs-p "X" "") |
| 52fa07ba MK |
1891 | )))))) |
| 1892 | ||
| 3af0304a | 1893 | ;; Ex source command. Loads the file specified as argument or `~/.viper' |
| 52fa07ba | 1894 | (defun ex-source () |
| 8626cfa2 | 1895 | (viper-get-ex-file) |
| 52fa07ba | 1896 | (if (string= ex-file "") |
| 8626cfa2 | 1897 | (load viper-custom-file-name) |
| 52fa07ba MK |
1898 | (load ex-file))) |
| 1899 | ||
| 1900 | ;; Ex substitute command | |
| 8626cfa2 | 1901 | ;; If REPEAT use previous regexp which is ex-reg-exp or viper-s-string |
| a1506d29 | 1902 | (defun ex-substitute (&optional repeat r-flag) |
| 52fa07ba MK |
1903 | (let ((opt-g nil) |
| 1904 | (opt-c nil) | |
| 1905 | (matched-pos nil) | |
| 8626cfa2 | 1906 | (case-fold-search viper-case-fold-search) |
| 52fa07ba | 1907 | delim pat repl) |
| 8626cfa2 | 1908 | (if repeat (setq ex-token nil) (setq delim (viper-get-ex-pat))) |
| 52fa07ba MK |
1909 | (if (null ex-token) |
| 1910 | (progn | |
| 8626cfa2 | 1911 | (setq pat (if r-flag viper-s-string ex-reg-exp)) |
| 52fa07ba MK |
1912 | (or (stringp pat) |
| 1913 | (error "No previous pattern to use in substitution")) | |
| 1914 | (setq repl ex-repl | |
| 1915 | delim (string-to-char pat))) | |
| 8626cfa2 MK |
1916 | (setq pat (if (string= ex-token "") viper-s-string ex-token)) |
| 1917 | (setq viper-s-string pat | |
| 52fa07ba | 1918 | ex-reg-exp pat) |
| 8626cfa2 | 1919 | (setq delim (viper-get-ex-pat)) |
| 52fa07ba MK |
1920 | (if (null ex-token) |
| 1921 | (setq ex-token "" | |
| 1922 | ex-repl "") | |
| 1923 | (setq repl ex-token | |
| 1924 | ex-repl ex-token))) | |
| 8626cfa2 | 1925 | (while (viper-get-ex-opt-gc delim) |
| 52fa07ba | 1926 | (if (string= ex-token "g") (setq opt-g t) (setq opt-c t))) |
| 8626cfa2 | 1927 | (viper-get-ex-count) |
| 52fa07ba MK |
1928 | (if ex-count |
| 1929 | (save-excursion | |
| 1930 | (if ex-addresses (goto-char (car ex-addresses))) | |
| 1931 | (set-mark (point)) | |
| 1932 | (forward-line (1- ex-count)) | |
| 1933 | (setq ex-addresses (cons (point) (cons (mark t) nil)))) | |
| 1934 | (if (null ex-addresses) | |
| 1935 | (setq ex-addresses (cons (point) (cons (point) nil))) | |
| 1936 | (if (null (cdr ex-addresses)) | |
| 1937 | (setq ex-addresses (cons (car ex-addresses) ex-addresses))))) | |
| 1938 | ;(setq G opt-g) | |
| 1939 | (let ((beg (car ex-addresses)) | |
| 1940 | (end (car (cdr ex-addresses))) | |
| 1941 | eol-mark) | |
| 1942 | (save-excursion | |
| 8626cfa2 | 1943 | (viper-enlarge-region beg end) |
| 52fa07ba MK |
1944 | (let ((limit (save-excursion |
| 1945 | (goto-char (max (point) (mark t))) | |
| 1946 | (point-marker)))) | |
| 1947 | (goto-char (min (point) (mark t))) | |
| 1948 | (while (< (point) limit) | |
| 2eb4bdca MK |
1949 | (save-excursion |
| 1950 | (end-of-line) | |
| 1951 | ;; This move allows the use of newline as the last character in | |
| 1952 | ;; the substitution pattern | |
| 1953 | (viper-forward-char-carefully) | |
| 1954 | (setq eol-mark (point-marker))) | |
| 52fa07ba MK |
1955 | (beginning-of-line) |
| 1956 | (if opt-g | |
| 1957 | (progn | |
| 1958 | (while (and (not (eolp)) | |
| 1959 | (re-search-forward pat eol-mark t)) | |
| d35bee0e MK |
1960 | (if (or (not opt-c) |
| 1961 | (progn | |
| 1962 | (viper-put-on-search-overlay (match-beginning 0) | |
| 1963 | (match-end 0)) | |
| 1964 | (y-or-n-p "Replace? "))) | |
| 52fa07ba | 1965 | (progn |
| d35bee0e | 1966 | (viper-hide-search-overlay) |
| 52fa07ba MK |
1967 | (setq matched-pos (point)) |
| 1968 | (if (not (stringp repl)) | |
| 1969 | (error "Can't perform Ex substitution: No previous replacement pattern")) | |
| 1970 | (replace-match repl t)))) | |
| 1971 | (end-of-line) | |
| 8626cfa2 | 1972 | (viper-forward-char-carefully)) |
| 52fa07ba MK |
1973 | (if (null pat) |
| 1974 | (error | |
| 1975 | "Can't repeat Ex substitution: No previous regular expression")) | |
| 1976 | (if (and (re-search-forward pat eol-mark t) | |
| d35bee0e MK |
1977 | (or (not opt-c) |
| 1978 | (progn | |
| 1979 | (viper-put-on-search-overlay (match-beginning 0) | |
| 1980 | (match-end 0)) | |
| 1981 | (y-or-n-p "Replace? ")))) | |
| 52fa07ba | 1982 | (progn |
| d35bee0e | 1983 | (viper-hide-search-overlay) |
| 52fa07ba MK |
1984 | (setq matched-pos (point)) |
| 1985 | (if (not (stringp repl)) | |
| 1986 | (error "Can't perform Ex substitution: No previous replacement pattern")) | |
| 1987 | (replace-match repl t))) | |
| 2eb4bdca MK |
1988 | ;;(end-of-line) |
| 1989 | ;;(viper-forward-char-carefully) | |
| 1990 | (goto-char eol-mark) | |
| 1991 | ))))) | |
| 52fa07ba MK |
1992 | (if matched-pos (goto-char matched-pos)) |
| 1993 | (beginning-of-line) | |
| 1994 | (if opt-c (message "done")))) | |
| 8f2685cb | 1995 | |
| 52fa07ba MK |
1996 | ;; Ex tag command |
| 1997 | (defun ex-tag () | |
| 1998 | (let (tag) | |
| 1999 | (save-window-excursion | |
| a1506d29 | 2000 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 8626cfa2 | 2001 | (set-buffer viper-ex-work-buf) |
| 52fa07ba MK |
2002 | (skip-chars-forward " \t") |
| 2003 | (set-mark (point)) | |
| 2004 | (skip-chars-forward "^ |\t\n") | |
| 2005 | (setq tag (buffer-substring (mark t) (point)))) | |
| 2006 | (if (not (string= tag "")) (setq ex-tag tag)) | |
| 8626cfa2 | 2007 | (viper-change-state-to-emacs) |
| 52fa07ba MK |
2008 | (condition-case conds |
| 2009 | (progn | |
| 2010 | (if (string= tag "") | |
| 2011 | (find-tag ex-tag t) | |
| 2012 | (find-tag-other-window ex-tag)) | |
| 8626cfa2 | 2013 | (viper-change-state-to-vi)) |
| 52fa07ba | 2014 | (error |
| 8626cfa2 MK |
2015 | (viper-change-state-to-vi) |
| 2016 | (viper-message-conditions conds))))) | |
| bbe6126c | 2017 | |
| 52fa07ba | 2018 | ;; Ex write command |
| 3af0304a | 2019 | ;; ex-write doesn't support wildcards, because file completion is a better |
| a1506d29 | 2020 | ;; mechanism. We also don't support # and % |
| 3af0304a | 2021 | ;; because file history is a better mechanism. |
| 52fa07ba | 2022 | (defun ex-write (q-flag) |
| 8626cfa2 MK |
2023 | (viper-default-ex-addresses t) |
| 2024 | (viper-get-ex-file) | |
| 9b70a748 | 2025 | (let ((end (car ex-addresses)) |
| a1506d29 | 2026 | (beg (car (cdr ex-addresses))) |
| 9b70a748 | 2027 | (orig-buf (current-buffer)) |
| 50a07e18 MK |
2028 | ;;(orig-buf-file-name (buffer-file-name)) |
| 2029 | ;;(orig-buf-name (buffer-name)) | |
| 2030 | ;;(buff-changed-p (buffer-modified-p)) | |
| 52fa07ba MK |
2031 | temp-buf writing-same-file region |
| 2032 | file-exists writing-whole-file) | |
| 8626cfa2 | 2033 | (if (> beg end) (error viper-FirstAddrExceedsSecond)) |
| 52fa07ba MK |
2034 | (if ex-cmdfile |
| 2035 | (progn | |
| 8626cfa2 | 2036 | (viper-enlarge-region beg end) |
| a1506d29 | 2037 | (shell-command-on-region (point) (mark t) |
| 328b4b70 | 2038 | (concat ex-file ex-cmdfile-args))) |
| 52fa07ba MK |
2039 | (if (and (string= ex-file "") (not (buffer-file-name))) |
| 2040 | (setq ex-file | |
| 2041 | (read-file-name | |
| 3af0304a | 2042 | (format "Buffer %s isn't visiting any file. File to save in: " |
| 52fa07ba | 2043 | (buffer-name))))) |
| a1506d29 | 2044 | |
| 52fa07ba MK |
2045 | (setq writing-whole-file (and (= (point-min) beg) (= (point-max) end)) |
| 2046 | ex-file (if (string= ex-file "") | |
| 2047 | (buffer-file-name) | |
| 2048 | (expand-file-name ex-file))) | |
| 2049 | ;; if ex-file is a directory use the file portion of the buffer file name | |
| 2050 | (if (and (file-directory-p ex-file) | |
| 2051 | buffer-file-name | |
| 2052 | (not (file-directory-p buffer-file-name))) | |
| 2053 | (setq ex-file | |
| 9b70a748 MK |
2054 | (concat (file-name-as-directory ex-file) |
| 2055 | (file-name-nondirectory buffer-file-name)))) | |
| a1506d29 | 2056 | |
| 52fa07ba MK |
2057 | (setq file-exists (file-exists-p ex-file) |
| 2058 | writing-same-file (string= ex-file (buffer-file-name))) | |
| 2059 | ||
| 2eb4bdca | 2060 | ;; do actual writing |
| 52fa07ba | 2061 | (if (and writing-whole-file writing-same-file) |
| 2eb4bdca | 2062 | ;; saving whole buffer in visited file |
| 52fa07ba MK |
2063 | (if (not (buffer-modified-p)) |
| 2064 | (message "(No changes need to be saved)") | |
| 2eb4bdca | 2065 | (viper-maybe-checkout (current-buffer)) |
| 52fa07ba | 2066 | (save-buffer) |
| 9b70a748 MK |
2067 | (save-restriction |
| 2068 | (widen) | |
| 2069 | (ex-write-info file-exists ex-file (point-min) (point-max)) | |
| 2070 | )) | |
| 2eb4bdca MK |
2071 | ;; writing to non-visited file and it already exists |
| 2072 | (if (and file-exists (not writing-same-file) | |
| 2073 | (not (yes-or-no-p | |
| 3af0304a | 2074 | (format "File %s exists. Overwrite? " ex-file)))) |
| 2eb4bdca MK |
2075 | (error "Quit")) |
| 2076 | ;; writing a region or whole buffer to non-visited file | |
| a1506d29 | 2077 | (unwind-protect |
| 2eb4bdca MK |
2078 | (save-excursion |
| 2079 | (viper-enlarge-region beg end) | |
| 2080 | (setq region (buffer-substring (point) (mark t))) | |
| 2081 | ;; create temp buffer for the region | |
| 2082 | (setq temp-buf (get-buffer-create " *ex-write*")) | |
| 2083 | (set-buffer temp-buf) | |
| 50a07e18 MK |
2084 | (viper-cond-compile-for-xemacs-or-emacs |
| 2085 | (set-visited-file-name ex-file) ; xemacs | |
| 2086 | (set-visited-file-name ex-file 'noquerry) ; emacs | |
| 2087 | ) | |
| 2eb4bdca MK |
2088 | (erase-buffer) |
| 2089 | (if (and file-exists ex-append) | |
| 2090 | (insert-file-contents ex-file)) | |
| 2091 | (goto-char (point-max)) | |
| 2092 | (insert region) | |
| 2093 | ;; ask user | |
| 2094 | (viper-maybe-checkout (current-buffer)) | |
| fc290d1d | 2095 | (setq selective-display nil) |
| 2eb4bdca MK |
2096 | (save-buffer) |
| 2097 | (ex-write-info | |
| 2098 | file-exists ex-file (point-min) (point-max)) | |
| 2099 | ) | |
| 2100 | ;; this must be under unwind-protect so that | |
| 2101 | ;; temp-buf will be deleted in case of an error | |
| 2102 | (set-buffer temp-buf) | |
| 2103 | (set-buffer-modified-p nil) | |
| 2104 | (kill-buffer temp-buf) | |
| 2105 | ;; buffer/region has been written, now take care of details | |
| 2106 | (set-buffer orig-buf))) | |
| 2107 | ;; set the right file modification time | |
| 52fa07ba MK |
2108 | (if (and (buffer-file-name) writing-same-file) |
| 2109 | (set-visited-file-modtime)) | |
| 2eb4bdca | 2110 | ;; prevent loss of data if saving part of the buffer in visited file |
| a1506d29 | 2111 | (or writing-whole-file |
| 52fa07ba | 2112 | (not writing-same-file) |
| 2eb4bdca MK |
2113 | (progn |
| 2114 | (sit-for 2) | |
| 2115 | (message "Warning: you have saved only part of the buffer!") | |
| 2116 | (set-buffer-modified-p t))) | |
| 52fa07ba | 2117 | (if q-flag |
| 1e70790f | 2118 | (if (< viper-expert-level 2) |
| 52fa07ba MK |
2119 | (save-buffers-kill-emacs) |
| 2120 | (kill-buffer (current-buffer)))) | |
| 2121 | ))) | |
| a1506d29 | 2122 | |
| bbe6126c | 2123 | |
| 52fa07ba MK |
2124 | (defun ex-write-info (exists file-name beg end) |
| 2125 | (message "`%s'%s %d lines, %d characters" | |
| 8626cfa2 | 2126 | (viper-abbreviate-file-name file-name) |
| 52fa07ba MK |
2127 | (if exists "" " [New file]") |
| 2128 | (count-lines beg (min (1+ end) (point-max))) | |
| 2129 | (- end beg))) | |
| 2130 | ||
| 2131 | ;; Ex yank command | |
| 2132 | (defun ex-yank () | |
| 8626cfa2 MK |
2133 | (viper-default-ex-addresses) |
| 2134 | (viper-get-ex-buffer) | |
| 52fa07ba | 2135 | (let ((end (car ex-addresses)) (beg (car (cdr ex-addresses)))) |
| 8626cfa2 | 2136 | (if (> beg end) (error viper-FirstAddrExceedsSecond)) |
| 52fa07ba | 2137 | (save-excursion |
| 8626cfa2 | 2138 | (viper-enlarge-region beg end) |
| 52fa07ba MK |
2139 | (exchange-point-and-mark) |
| 2140 | (if (or ex-g-flag ex-g-variant) | |
| 2141 | (error "Can't execute `yank' within `global'")) | |
| 2142 | (if ex-count | |
| bbe6126c | 2143 | (progn |
| 52fa07ba MK |
2144 | (set-mark (point)) |
| 2145 | (forward-line (1- ex-count))) | |
| 2146 | (set-mark end)) | |
| 8626cfa2 MK |
2147 | (viper-enlarge-region (point) (mark t)) |
| 2148 | (if ex-flag (error "`yank': %s" viper-SpuriousText)) | |
| 52fa07ba | 2149 | (if ex-buffer |
| 8626cfa2 MK |
2150 | (cond ((viper-valid-register ex-buffer '(Letter)) |
| 2151 | (viper-append-to-register | |
| 52fa07ba | 2152 | (downcase ex-buffer) (point) (mark t))) |
| 8626cfa2 | 2153 | ((viper-valid-register ex-buffer) |
| 52fa07ba | 2154 | (copy-to-register ex-buffer (point) (mark t) nil)) |
| 8626cfa2 | 2155 | (t (error viper-InvalidRegister ex-buffer)))) |
| 52fa07ba MK |
2156 | (copy-region-as-kill (point) (mark t))))) |
| 2157 | ||
| 2158 | ;; Execute shell command | |
| 2159 | (defun ex-command () | |
| 2160 | (let (command) | |
| 2161 | (save-window-excursion | |
| a1506d29 | 2162 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 8626cfa2 | 2163 | (set-buffer viper-ex-work-buf) |
| 52fa07ba MK |
2164 | (skip-chars-forward " \t") |
| 2165 | (setq command (buffer-substring (point) (point-max))) | |
| 2166 | (end-of-line)) | |
| 3af0304a | 2167 | ;; replace # and % with the previous/current file |
| 52fa07ba MK |
2168 | (setq command (ex-expand-filsyms command (current-buffer))) |
| 2169 | (if (and (> (length command) 0) (string= "!" (substring command 0 1))) | |
| 8626cfa2 MK |
2170 | (if viper-ex-last-shell-com |
| 2171 | (setq command | |
| 2172 | (concat viper-ex-last-shell-com (substring command 1))) | |
| 52fa07ba | 2173 | (error "No previous shell command"))) |
| 8626cfa2 | 2174 | (setq viper-ex-last-shell-com command) |
| 52fa07ba MK |
2175 | (if (null ex-addresses) |
| 2176 | (shell-command command) | |
| 2177 | (let ((end (car ex-addresses)) (beg (car (cdr ex-addresses)))) | |
| 2178 | (if (null beg) (setq beg end)) | |
| 6c2e12f4 | 2179 | (save-excursion |
| 52fa07ba MK |
2180 | (goto-char beg) |
| 2181 | (set-mark end) | |
| 8626cfa2 | 2182 | (viper-enlarge-region (point) (mark t)) |
| 52fa07ba MK |
2183 | (shell-command-on-region (point) (mark t) command t)) |
| 2184 | (goto-char beg))))) | |
| 2185 | ||
| 4960e757 MK |
2186 | (defun ex-compile () |
| 2187 | "Reads args from the command line, then runs make with the args. | |
| 2188 | If no args are given, then it runs the last compile command. | |
| 2189 | Type 'mak ' (including the space) to run make with no args." | |
| 2190 | (let (args) | |
| 2191 | (save-window-excursion | |
| 2192 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) | |
| 2193 | (set-buffer viper-ex-work-buf) | |
| 2194 | (setq args (buffer-substring (point) (point-max))) | |
| 2195 | (end-of-line)) | |
| 2196 | ;; Remove the newline that may (will?) be at the end of the args | |
| 2197 | (if (string= "\n" (substring args (1- (length args)))) | |
| 2198 | (setq args (substring args 0 (1- (length args))))) | |
| 2199 | ;; Run last command if no args given, else construct a new command. | |
| 2200 | (setq args | |
| 2201 | (if (string= "" args) | |
| 2202 | (if (boundp 'compile-command) | |
| 2203 | compile-command | |
| 2204 | ex-compile-command) | |
| 2205 | (concat ex-compile-command " " args))) | |
| 2206 | (compile args) | |
| 2207 | )) | |
| 2208 | ||
| 52fa07ba MK |
2209 | ;; Print line number |
| 2210 | (defun ex-line-no () | |
| 2211 | (message "%d" | |
| 2212 | (1+ (count-lines | |
| 2213 | (point-min) | |
| 2214 | (if (null ex-addresses) (point-max) (car ex-addresses)))))) | |
| 2215 | ||
| 2216 | ;; Give information on the file visited by the current buffer | |
| 8626cfa2 | 2217 | (defun viper-info-on-file () |
| 6c2e12f4 | 2218 | (interactive) |
| 8626cfa2 MK |
2219 | (let ((pos1 (viper-line-pos 'start)) |
| 2220 | (pos2 (viper-line-pos 'end)) | |
| 52fa07ba | 2221 | lines file info) |
| 8626cfa2 | 2222 | (setq lines (count-lines (point-min) (viper-line-pos 'end)) |
| 52fa07ba | 2223 | file (if (buffer-file-name) |
| 8626cfa2 | 2224 | (concat (viper-abbreviate-file-name (buffer-file-name)) ":") |
| 52fa07ba MK |
2225 | (concat (buffer-name) " [Not visiting any file]:")) |
| 2226 | info (format "line=%d/%d pos=%d/%d col=%d %s" | |
| 2227 | (if (= pos1 pos2) | |
| 2228 | (1+ lines) | |
| 2229 | lines) | |
| 2230 | (count-lines (point-min) (point-max)) | |
| 2231 | (point) (1- (point-max)) | |
| 2232 | (1+ (current-column)) | |
| 2233 | (if (buffer-modified-p) "[Modified]" "[Unchanged]"))) | |
| 2234 | (if (< (+ 1 (length info) (length file)) | |
| 2235 | (window-width (minibuffer-window))) | |
| 7b8a295e | 2236 | (message "%s" (concat file " " info)) |
| 52fa07ba | 2237 | (save-window-excursion |
| 8626cfa2 | 2238 | (with-output-to-temp-buffer " *viper-info*" |
| 8e41a31c MK |
2239 | (princ (concat "\n" file "\n\n\t" info "\n\n"))) |
| 2240 | (let ((inhibit-quit t)) | |
| 2241 | (viper-set-unread-command-events (viper-read-event))) | |
| 8626cfa2 | 2242 | (kill-buffer " *viper-info*"))) |
| fad2477b | 2243 | )) |
| 6c2e12f4 | 2244 | |
| b9fe4732 MK |
2245 | |
| 2246 | ;; Without arguments displays info on file. With an arg, sets the visited file | |
| 2247 | ;; name to that arg | |
| 2248 | (defun ex-set-visited-file-name () | |
| 2249 | (viper-get-ex-file) | |
| 2250 | (if (string= ex-file "") | |
| 2251 | (viper-info-on-file) | |
| 2252 | ;; If ex-file is a directory, use the file portion of the buffer | |
| 2253 | ;; file name (like ex-write). Do this even if ex-file is a | |
| 2254 | ;; non-existent directory, since set-visited-file-name signals an | |
| 2255 | ;; error on this condition, too. | |
| 2256 | (if (and (string= (file-name-nondirectory ex-file) "") | |
| 2257 | buffer-file-name | |
| 2258 | (not (file-directory-p buffer-file-name))) | |
| 2259 | (setq ex-file (concat (file-name-as-directory ex-file) | |
| 2260 | (file-name-nondirectory buffer-file-name)))) | |
| 2261 | (set-visited-file-name ex-file))) | |
| 2262 | ||
| 2263 | ||
| e36a387d MK |
2264 | ;; display all variables set through :set |
| 2265 | (defun ex-show-vars () | |
| 8626cfa2 MK |
2266 | (with-output-to-temp-buffer " *viper-info*" |
| 2267 | (princ (if viper-auto-indent | |
| e36a387d | 2268 | "autoindent (local)\n" "noautoindent (local)\n")) |
| a1506d29 | 2269 | (princ (if (default-value 'viper-auto-indent) |
| e36a387d | 2270 | "autoindent (global) \n" "noautoindent (global) \n")) |
| 8626cfa2 MK |
2271 | (princ (if viper-case-fold-search "ignorecase\n" "noignorecase\n")) |
| 2272 | (princ (if viper-re-search "magic\n" "nomagic\n")) | |
| e36a387d MK |
2273 | (princ (if buffer-read-only "readonly\n" "noreadonly\n")) |
| 2274 | (princ (if blink-matching-paren "showmatch\n" "noshowmatch\n")) | |
| 8626cfa2 MK |
2275 | (princ (if viper-search-wrap-around-t "wrapscan\n" "nowrapscan\n")) |
| 2276 | (princ (format "shiftwidth \t\t= %S\n" viper-shift-width)) | |
| e36a387d MK |
2277 | (princ (format "tabstop (local) \t= %S\n" tab-width)) |
| 2278 | (princ (format "tabstop (global) \t= %S\n" (default-value 'tab-width))) | |
| 2279 | (princ (format "wrapmargin (local) \t= %S\n" | |
| 2280 | (- (window-width) fill-column))) | |
| 2281 | (princ (format "wrapmargin (global) \t= %S\n" | |
| 2282 | (- (window-width) (default-value 'fill-column)))) | |
| 2283 | (princ (format "shell \t\t\t= %S\n" (if (boundp 'explicit-shell-file-name) | |
| 2284 | explicit-shell-file-name | |
| 2285 | 'none))) | |
| 2286 | )) | |
| 2287 | ||
| 241d963d MK |
2288 | (defun ex-print () |
| 2289 | (viper-default-ex-addresses) | |
| 2290 | (let ((end (car ex-addresses)) | |
| 2291 | (beg (car (cdr ex-addresses)))) | |
| 2292 | (if (> beg end) (error viper-FirstAddrExceedsSecond)) | |
| 2293 | (save-excursion | |
| 2294 | (viper-enlarge-region beg end) | |
| 2295 | (if (or ex-g-flag ex-g-variant) | |
| 2296 | ;; When executing a global command, collect output of each | |
| 2297 | ;; print in viper-ex-print-buf. | |
| 2298 | (progn | |
| 2299 | (append-to-buffer viper-ex-print-buf (point) (mark t)) | |
| 2300 | ;; Is this the last mark for the global command? | |
| 2301 | (unless (cdr ex-g-marks) | |
| 2302 | (with-current-buffer viper-ex-print-buf | |
| 2303 | (ex-print-display-lines (buffer-string)) | |
| 2304 | (erase-buffer)))) | |
| 2305 | (ex-print-display-lines (buffer-substring (point) (mark t))))))) | |
| 2306 | ||
| 2307 | (defun ex-print-display-lines (lines) | |
| 2308 | (cond | |
| 2309 | ;; String doesn't contain a newline. | |
| 2310 | ((not (string-match "\n" lines)) | |
| 2311 | (message "%s" lines)) | |
| 2312 | ;; String contains only one newline at the end. Strip it off. | |
| 2313 | ((= (string-match "\n" lines) (1- (length lines))) | |
| 2314 | (message "%s" (substring lines 0 -1))) | |
| 2315 | ;; String spans more than one line. Use a temporary buffer. | |
| 2316 | (t | |
| 2317 | (save-current-buffer | |
| 2318 | (with-output-to-temp-buffer " *viper-info*" | |
| 2319 | (princ lines)))))) | |
| 2320 | ||
| e36a387d MK |
2321 | |
| 2322 | ||
| 2323 | ||
| 6c2e12f4 | 2324 | |
| ab5796a9 | 2325 | ;;; arch-tag: 56b80d36-f880-4d10-bd66-85ad91a295db |
| 60370d40 | 2326 | ;;; viper-ex.el ends here |