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60370d40 | 1 | ;;; replace.el --- replace commands for Emacs |
c88ab9ce | 2 | |
6f1df6d9 SM |
3 | ;; Copyright (C) 1985, 1986, 1987, 1992, 1994, 1996, 1997, 2000, 2001, 2002, |
4 | ;; 2003, 2004 Free Software Foundation, Inc. | |
3a801d0c | 5 | |
30764597 PJ |
6 | ;; Maintainer: FSF |
7 | ||
698e1804 RS |
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 | |
e5d77022 | 12 | ;; the Free Software Foundation; either version 2, or (at your option) |
698e1804 RS |
13 | ;; any later version. |
14 | ||
15 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
16 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | ;; GNU General Public License for more details. | |
19 | ||
20 | ;; You should have received a copy of the GNU General Public License | |
b578f267 EN |
21 | ;; along with GNU Emacs; see the file COPYING. If not, write to the |
22 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
23 | ;; Boston, MA 02111-1307, USA. | |
698e1804 | 24 | |
d9ecc911 ER |
25 | ;;; Commentary: |
26 | ||
27 | ;; This package supplies the string and regular-expression replace functions | |
28 | ;; documented in the Emacs user's manual. | |
29 | ||
4f4b8eff | 30 | ;;; Code: |
698e1804 | 31 | |
9d325ebf | 32 | (defcustom case-replace t |
f54701d1 | 33 | "*Non-nil means `query-replace' should preserve case in replacements." |
9d325ebf RS |
34 | :type 'boolean |
35 | :group 'matching) | |
77176e73 | 36 | |
770970cb RS |
37 | (defvar query-replace-history nil) |
38 | ||
5291cbca | 39 | (defvar query-replace-interactive nil |
151270f3 | 40 | "Non-nil means `query-replace' uses the last search string. |
5291cbca | 41 | That becomes the \"string to replace\".") |
151270f3 | 42 | |
bdb1c08f | 43 | (defcustom query-replace-from-history-variable 'query-replace-history |
f54701d1 | 44 | "History list to use for the FROM argument of `query-replace' commands. |
bdb1c08f RS |
45 | The value of this variable should be a symbol; that symbol |
46 | is used as a variable to hold a history list for the strings | |
47 | or patterns to be replaced." | |
48 | :group 'matching | |
cd32a7ba DN |
49 | :type 'symbol |
50 | :version "20.3") | |
bdb1c08f RS |
51 | |
52 | (defcustom query-replace-to-history-variable 'query-replace-history | |
f54701d1 | 53 | "History list to use for the TO argument of `query-replace' commands. |
bdb1c08f RS |
54 | The value of this variable should be a symbol; that symbol |
55 | is used as a variable to hold a history list for replacement | |
56 | strings or patterns." | |
57 | :group 'matching | |
cd32a7ba DN |
58 | :type 'symbol |
59 | :version "20.3") | |
bdb1c08f | 60 | |
1c4fe319 RS |
61 | (defcustom query-replace-skip-read-only nil |
62 | "*Non-nil means `query-replace' and friends ignore read-only matches." | |
63 | :type 'boolean | |
64 | :group 'matching | |
89e7ad59 | 65 | :version "21.4") |
1c4fe319 | 66 | |
afd33362 JL |
67 | (defcustom query-replace-highlight t |
68 | "*Non-nil means to highlight matches during query replacement." | |
69 | :type 'boolean | |
70 | :group 'matching) | |
71 | ||
72 | (defcustom query-replace-lazy-highlight t | |
73 | "*Controls the lazy-highlighting during query replacements. | |
74 | When non-nil, all text in the buffer matching the current match | |
75 | is highlighted lazily using isearch lazy highlighting (see | |
76 | `lazy-highlight-initial-delay' and `lazy-highlight-interval')." | |
77 | :type 'boolean | |
78 | :group 'lazy-highlight | |
79 | :group 'matching | |
80 | :version "21.4") | |
81 | ||
82 | (defface query-replace | |
83 | '((t (:inherit isearch))) | |
84 | "Face for highlighting query replacement matches." | |
85 | :group 'matching | |
86 | :version "21.4") | |
87 | ||
6f1df6d9 SM |
88 | (defun query-replace-descr (string) |
89 | (mapconcat 'isearch-text-char-description string "")) | |
90 | ||
1606466a | 91 | (defun query-replace-read-from (string regexp-flag) |
6f1df6d9 SM |
92 | "Query and return the `from' argument of a query-replace operation. |
93 | The return value can also be a pair (FROM . TO) indicating that the user | |
94 | wants to replace FROM with TO." | |
1606466a SM |
95 | (if query-replace-interactive |
96 | (car (if regexp-flag regexp-search-ring search-ring)) | |
6f1df6d9 SM |
97 | (let* ((lastfrom (car (symbol-value query-replace-from-history-variable))) |
98 | (lastto (car (symbol-value query-replace-to-history-variable))) | |
99 | (from | |
1606466a SM |
100 | ;; The save-excursion here is in case the user marks and copies |
101 | ;; a region in order to specify the minibuffer input. | |
102 | ;; That should not clobber the region for the query-replace itself. | |
103 | (save-excursion | |
6f1df6d9 SM |
104 | (when (equal lastfrom lastto) |
105 | ;; Typically, this is because the two histlists are shared. | |
106 | (setq lastfrom (cadr (symbol-value | |
107 | query-replace-from-history-variable)))) | |
1606466a | 108 | (read-from-minibuffer |
6f1df6d9 SM |
109 | (if (and lastto lastfrom) |
110 | (format "%s (default %s -> %s): " string | |
111 | (query-replace-descr lastfrom) | |
112 | (query-replace-descr lastto)) | |
113 | (format "%s: " string)) | |
1606466a SM |
114 | nil nil nil |
115 | query-replace-from-history-variable | |
bbe9f175 | 116 | nil t t)))) |
6f1df6d9 | 117 | (if (and (zerop (length from)) lastto lastfrom) |
78629844 DK |
118 | (cons lastfrom |
119 | (query-replace-compile-replacement lastto regexp-flag)) | |
6f1df6d9 SM |
120 | ;; Warn if user types \n or \t, but don't reject the input. |
121 | (and regexp-flag | |
122 | (string-match "\\(\\`\\|[^\\]\\)\\(\\\\\\\\\\)*\\(\\\\[nt]\\)" from) | |
123 | (let ((match (match-string 3 from))) | |
124 | (cond | |
125 | ((string= match "\\n") | |
126 | (message "Note: `\\n' here doesn't match a newline; to do that, type C-q C-j instead")) | |
127 | ((string= match "\\t") | |
128 | (message "Note: `\\t' here doesn't match a tab; to do that, just type TAB"))) | |
129 | (sit-for 2))) | |
130 | from)))) | |
1606466a | 131 | |
78629844 DK |
132 | (defun query-replace-compile-replacement (to regexp-flag) |
133 | "Maybe convert a regexp replacement TO to Lisp. | |
134 | Returns a list suitable for `perform-replace' if necessary, | |
135 | the original string if not." | |
136 | (if (and regexp-flag | |
137 | (string-match "\\(\\`\\|[^\\]\\)\\(\\\\\\\\\\)*\\\\[,#]" to)) | |
7c1c02ac DK |
138 | (let (pos list char) |
139 | (while | |
140 | (progn | |
141 | (setq pos (match-end 0)) | |
142 | (push (substring to 0 (- pos 2)) list) | |
143 | (setq char (aref to (1- pos)) | |
144 | to (substring to pos)) | |
145 | (cond ((eq char ?\#) | |
146 | (push '(number-to-string replace-count) list)) | |
147 | ((eq char ?\,) | |
148 | (setq pos (read-from-string to)) | |
149 | (push `(replace-quote ,(car pos)) list) | |
9e5d1b63 RS |
150 | (let ((end |
151 | ;; Swallow a space after a symbol | |
152 | ;; if there is a space. | |
153 | (if (and (or (symbolp (car pos)) | |
154 | ;; Swallow a space after 'foo | |
155 | ;; but not after (quote foo). | |
156 | (and (eq (car-safe (car pos)) 'quote) | |
f1f6079c JL |
157 | (not (= ?\( (aref to 0))))) |
158 | (eq (string-match " " to (cdr pos)) | |
159 | (cdr pos))) | |
9e5d1b63 RS |
160 | (1+ (cdr pos)) |
161 | (cdr pos)))) | |
162 | (setq to (substring to end))))) | |
7c1c02ac | 163 | (string-match "\\(\\`\\|[^\\]\\)\\(\\\\\\\\\\)*\\\\[,#]" to))) |
78629844 DK |
164 | (setq to (nreverse (delete "" (cons to list)))) |
165 | (replace-match-string-symbols to) | |
166 | (cons 'replace-eval-replacement | |
167 | (if (cdr to) | |
168 | (cons 'concat to) | |
169 | (car to)))) | |
1606466a SM |
170 | to)) |
171 | ||
78629844 DK |
172 | |
173 | (defun query-replace-read-to (from string regexp-flag) | |
174 | "Query and return the `to' argument of a query-replace operation." | |
175 | (query-replace-compile-replacement | |
176 | (save-excursion | |
177 | (read-from-minibuffer | |
178 | (format "%s %s with: " string (query-replace-descr from)) | |
179 | nil nil nil | |
bbe9f175 | 180 | query-replace-to-history-variable from t t)) |
78629844 DK |
181 | regexp-flag)) |
182 | ||
1606466a SM |
183 | (defun query-replace-read-args (string regexp-flag &optional noerror) |
184 | (unless noerror | |
185 | (barf-if-buffer-read-only)) | |
186 | (let* ((from (query-replace-read-from string regexp-flag)) | |
6f1df6d9 SM |
187 | (to (if (consp from) (prog1 (cdr from) (setq from (car from))) |
188 | (query-replace-read-to from string regexp-flag)))) | |
10784bac | 189 | (list from to current-prefix-arg))) |
770970cb | 190 | |
47d72254 | 191 | (defun query-replace (from-string to-string &optional delimited start end) |
da44e784 RM |
192 | "Replace some occurrences of FROM-STRING with TO-STRING. |
193 | As each match is found, the user must type a character saying | |
194 | what to do with it. For directions, type \\[help-command] at that time. | |
195 | ||
7ef5c431 KH |
196 | In Transient Mark mode, if the mark is active, operate on the contents |
197 | of the region. Otherwise, operate from point to the end of the buffer. | |
198 | ||
151270f3 RS |
199 | If `query-replace-interactive' is non-nil, the last incremental search |
200 | string is used as FROM-STRING--you don't have to specify it with the | |
201 | minibuffer. | |
202 | ||
446d9629 RS |
203 | Matching is independent of case if `case-fold-search' is non-nil and |
204 | FROM-STRING has no uppercase letters. Replacement transfers the case | |
205 | pattern of the old text to the new text, if `case-replace' and | |
206 | `case-fold-search' are non-nil and FROM-STRING has no uppercase | |
207 | letters. \(Transferring the case pattern means that if the old text | |
208 | matched is all caps, or capitalized, then its replacement is upcased | |
209 | or capitalized.) | |
9b0bf2b6 | 210 | |
118a01c9 | 211 | Third arg DELIMITED (prefix arg if interactive), if non-nil, means replace |
81bdc14d | 212 | only matches surrounded by word boundaries. |
47d72254 | 213 | Fourth and fifth arg START and END specify the region to operate on. |
81bdc14d RS |
214 | |
215 | To customize possible responses, change the \"bindings\" in `query-replace-map'." | |
10784bac RS |
216 | (interactive (let ((common |
217 | (query-replace-read-args "Query replace" nil))) | |
218 | (list (nth 0 common) (nth 1 common) (nth 2 common) | |
219 | ;; These are done separately here | |
220 | ;; so that command-history will record these expressions | |
221 | ;; rather than the values they had this time. | |
222 | (if (and transient-mark-mode mark-active) | |
223 | (region-beginning)) | |
224 | (if (and transient-mark-mode mark-active) | |
225 | (region-end))))) | |
99a7559f | 226 | (perform-replace from-string to-string t nil delimited nil nil start end)) |
7ef5c431 | 227 | |
73fa8346 | 228 | (define-key esc-map "%" 'query-replace) |
da44e784 | 229 | |
47d72254 | 230 | (defun query-replace-regexp (regexp to-string &optional delimited start end) |
da44e784 RM |
231 | "Replace some things after point matching REGEXP with TO-STRING. |
232 | As each match is found, the user must type a character saying | |
233 | what to do with it. For directions, type \\[help-command] at that time. | |
234 | ||
7ef5c431 KH |
235 | In Transient Mark mode, if the mark is active, operate on the contents |
236 | of the region. Otherwise, operate from point to the end of the buffer. | |
237 | ||
151270f3 RS |
238 | If `query-replace-interactive' is non-nil, the last incremental search |
239 | regexp is used as REGEXP--you don't have to specify it with the | |
240 | minibuffer. | |
241 | ||
446d9629 RS |
242 | Matching is independent of case if `case-fold-search' is non-nil and |
243 | REGEXP has no uppercase letters. Replacement transfers the case | |
244 | pattern of the old text to the new text, if `case-replace' and | |
245 | `case-fold-search' are non-nil and REGEXP has no uppercase letters. | |
246 | \(Transferring the case pattern means that if the old text matched is | |
247 | all caps, or capitalized, then its replacement is upcased or | |
248 | capitalized.) | |
47d72254 | 249 | |
118a01c9 | 250 | Third arg DELIMITED (prefix arg if interactive), if non-nil, means replace |
da44e784 | 251 | only matches surrounded by word boundaries. |
47d72254 GM |
252 | Fourth and fifth arg START and END specify the region to operate on. |
253 | ||
118a01c9 RS |
254 | In TO-STRING, `\\&' stands for whatever matched the whole of REGEXP, |
255 | and `\\=\\N' (where N is a digit) stands for | |
2f57bf85 | 256 | whatever what matched the Nth `\\(...\\)' in REGEXP. |
7c1c02ac DK |
257 | `\\?' lets you edit the replacement text in the minibuffer |
258 | at the given position for each replacement. | |
259 | ||
ba8d15f9 RS |
260 | In interactive calls, the replacement text can contain `\\,' |
261 | followed by a Lisp expression. Each | |
262 | replacement evaluates that expression to compute the replacement | |
263 | string. Inside of that expression, `\\&' is a string denoting the | |
f1f6079c | 264 | whole match as a string, `\\N' for a partial match, `\\#&' and `\\#N' |
ba8d15f9 RS |
265 | for the whole or a partial match converted to a number with |
266 | `string-to-number', and `\\#' itself for the number of replacements | |
267 | done so far (starting with zero). | |
7c1c02ac | 268 | |
ba8d15f9 RS |
269 | If the replacement expression is a symbol, write a space after it |
270 | to terminate it. One space there, if any, will be discarded. | |
7c1c02ac DK |
271 | |
272 | When using those Lisp features interactively in the replacement | |
273 | text, TO-STRING is actually made a list instead of a string. | |
274 | Use \\[repeat-complex-command] after this command for details." | |
10784bac RS |
275 | (interactive |
276 | (let ((common | |
277 | (query-replace-read-args "Query replace regexp" t))) | |
7c1c02ac DK |
278 | (list (nth 0 common) (nth 1 common) (nth 2 common) |
279 | ;; These are done separately here | |
280 | ;; so that command-history will record these expressions | |
281 | ;; rather than the values they had this time. | |
282 | (if (and transient-mark-mode mark-active) | |
283 | (region-beginning)) | |
284 | (if (and transient-mark-mode mark-active) | |
285 | (region-end))))) | |
99a7559f | 286 | (perform-replace regexp to-string t t delimited nil nil start end)) |
2f57bf85 | 287 | |
cbc127de | 288 | (define-key esc-map [?\C-%] 'query-replace-regexp) |
da44e784 | 289 | |
47d72254 | 290 | (defun query-replace-regexp-eval (regexp to-expr &optional delimited start end) |
84482eb3 RS |
291 | "Replace some things after point matching REGEXP with the result of TO-EXPR. |
292 | As each match is found, the user must type a character saying | |
293 | what to do with it. For directions, type \\[help-command] at that time. | |
294 | ||
295 | TO-EXPR is a Lisp expression evaluated to compute each replacement. It may | |
296 | reference `replace-count' to get the number of replacements already made. | |
297 | If the result of TO-EXPR is not a string, it is converted to one using | |
298 | `prin1-to-string' with the NOESCAPE argument (which see). | |
299 | ||
300 | For convenience, when entering TO-EXPR interactively, you can use `\\&' or | |
653479ad AS |
301 | `\\0' to stand for whatever matched the whole of REGEXP, and `\\N' (where |
302 | N is a digit) to stand for whatever matched the Nth `\\(...\\)' in REGEXP. | |
84482eb3 | 303 | Use `\\#&' or `\\#N' if you want a number instead of a string. |
2f57bf85 | 304 | In interactive use, `\\#' in itself stands for `replace-count'. |
84482eb3 RS |
305 | |
306 | In Transient Mark mode, if the mark is active, operate on the contents | |
307 | of the region. Otherwise, operate from point to the end of the buffer. | |
308 | ||
309 | If `query-replace-interactive' is non-nil, the last incremental search | |
310 | regexp is used as REGEXP--you don't have to specify it with the | |
311 | minibuffer. | |
312 | ||
313 | Preserves case in each replacement if `case-replace' and `case-fold-search' | |
314 | are non-nil and REGEXP has no uppercase letters. | |
47d72254 | 315 | |
84482eb3 | 316 | Third arg DELIMITED (prefix arg if interactive), if non-nil, means replace |
470bbe9b | 317 | only matches that are surrounded by word boundaries. |
47d72254 | 318 | Fourth and fifth arg START and END specify the region to operate on." |
84482eb3 | 319 | (interactive |
cc0aea1a | 320 | (progn |
6f1df6d9 SM |
321 | (barf-if-buffer-read-only) |
322 | (let* ((from | |
323 | ;; Let-bind the history var to disable the "foo -> bar" default. | |
324 | ;; Maybe we shouldn't disable this default, but for now I'll | |
325 | ;; leave it off. --Stef | |
326 | (let ((query-replace-to-history-variable nil)) | |
327 | (query-replace-read-from "Query replace regexp" t))) | |
5291cbca | 328 | (to (list (read-from-minibuffer |
6f1df6d9 SM |
329 | (format "Query replace regexp %s with eval: " |
330 | (query-replace-descr from)) | |
5291cbca | 331 | nil nil t query-replace-to-history-variable from t)))) |
84482eb3 RS |
332 | ;; We make TO a list because replace-match-string-symbols requires one, |
333 | ;; and the user might enter a single token. | |
334 | (replace-match-string-symbols to) | |
10784bac RS |
335 | (list from (car to) current-prefix-arg |
336 | (if (and transient-mark-mode mark-active) | |
337 | (region-beginning)) | |
338 | (if (and transient-mark-mode mark-active) | |
cc0aea1a | 339 | (region-end)))))) |
d2ce3151 | 340 | (perform-replace regexp (cons 'replace-eval-replacement to-expr) |
d83a97ab | 341 | t 'literal delimited nil nil start end)) |
84482eb3 | 342 | |
47d72254 | 343 | (defun map-query-replace-regexp (regexp to-strings &optional n start end) |
da44e784 | 344 | "Replace some matches for REGEXP with various strings, in rotation. |
e730be7f DL |
345 | The second argument TO-STRINGS contains the replacement strings, |
346 | separated by spaces. Third arg DELIMITED (prefix arg if interactive), | |
347 | if non-nil, means replace only matches surrounded by word boundaries. | |
348 | This command works like `query-replace-regexp' except that each | |
349 | successive replacement uses the next successive replacement string, | |
da44e784 RM |
350 | wrapping around from the last such string to the first. |
351 | ||
7ef5c431 KH |
352 | In Transient Mark mode, if the mark is active, operate on the contents |
353 | of the region. Otherwise, operate from point to the end of the buffer. | |
354 | ||
da44e784 RM |
355 | Non-interactively, TO-STRINGS may be a list of replacement strings. |
356 | ||
151270f3 RS |
357 | If `query-replace-interactive' is non-nil, the last incremental search |
358 | regexp is used as REGEXP--you don't have to specify it with the minibuffer. | |
359 | ||
da44e784 | 360 | A prefix argument N says to use each replacement string N times |
47d72254 GM |
361 | before rotating to the next. |
362 | Fourth and fifth arg START and END specify the region to operate on." | |
770970cb | 363 | (interactive |
5291cbca | 364 | (let* ((from (if query-replace-interactive |
151270f3 RS |
365 | (car regexp-search-ring) |
366 | (read-from-minibuffer "Map query replace (regexp): " | |
367 | nil nil nil | |
fce31d51 | 368 | 'query-replace-history nil t))) |
5291cbca | 369 | (to (read-from-minibuffer |
770970cb | 370 | (format "Query replace %s with (space-separated strings): " |
6f1df6d9 | 371 | (query-replace-descr from)) |
770970cb | 372 | nil nil nil |
5291cbca | 373 | 'query-replace-history from t))) |
2f2f7e58 RS |
374 | (list from to |
375 | (and current-prefix-arg | |
376 | (prefix-numeric-value current-prefix-arg)) | |
10784bac RS |
377 | (if (and transient-mark-mode mark-active) |
378 | (region-beginning)) | |
379 | (if (and transient-mark-mode mark-active) | |
380 | (region-end))))) | |
da44e784 RM |
381 | (let (replacements) |
382 | (if (listp to-strings) | |
383 | (setq replacements to-strings) | |
384 | (while (/= (length to-strings) 0) | |
385 | (if (string-match " " to-strings) | |
386 | (setq replacements | |
387 | (append replacements | |
388 | (list (substring to-strings 0 | |
389 | (string-match " " to-strings)))) | |
390 | to-strings (substring to-strings | |
391 | (1+ (string-match " " to-strings)))) | |
392 | (setq replacements (append replacements (list to-strings)) | |
393 | to-strings "")))) | |
99a7559f | 394 | (perform-replace regexp replacements t t nil n nil start end))) |
da44e784 | 395 | |
47d72254 | 396 | (defun replace-string (from-string to-string &optional delimited start end) |
da44e784 RM |
397 | "Replace occurrences of FROM-STRING with TO-STRING. |
398 | Preserve case in each match if `case-replace' and `case-fold-search' | |
399 | are non-nil and FROM-STRING has no uppercase letters. | |
9b0bf2b6 RS |
400 | \(Preserving case means that if the string matched is all caps, or capitalized, |
401 | then its replacement is upcased or capitalized.) | |
402 | ||
7ef5c431 KH |
403 | In Transient Mark mode, if the mark is active, operate on the contents |
404 | of the region. Otherwise, operate from point to the end of the buffer. | |
405 | ||
118a01c9 | 406 | Third arg DELIMITED (prefix arg if interactive), if non-nil, means replace |
da44e784 | 407 | only matches surrounded by word boundaries. |
47d72254 | 408 | Fourth and fifth arg START and END specify the region to operate on. |
da44e784 | 409 | |
151270f3 RS |
410 | If `query-replace-interactive' is non-nil, the last incremental search |
411 | string is used as FROM-STRING--you don't have to specify it with the | |
412 | minibuffer. | |
413 | ||
da44e784 RM |
414 | This function is usually the wrong thing to use in a Lisp program. |
415 | What you probably want is a loop like this: | |
118a01c9 RS |
416 | (while (search-forward FROM-STRING nil t) |
417 | (replace-match TO-STRING nil t)) | |
87532fbe RS |
418 | which will run faster and will not set the mark or print anything. |
419 | \(You may need a more complex loop if FROM-STRING can match the null string | |
420 | and TO-STRING is also null.)" | |
10784bac RS |
421 | (interactive |
422 | (let ((common | |
423 | (query-replace-read-args "Replace string" nil))) | |
424 | (list (nth 0 common) (nth 1 common) (nth 2 common) | |
425 | (if (and transient-mark-mode mark-active) | |
426 | (region-beginning)) | |
427 | (if (and transient-mark-mode mark-active) | |
428 | (region-end))))) | |
99a7559f | 429 | (perform-replace from-string to-string nil nil delimited nil nil start end)) |
da44e784 | 430 | |
47d72254 | 431 | (defun replace-regexp (regexp to-string &optional delimited start end) |
da44e784 | 432 | "Replace things after point matching REGEXP with TO-STRING. |
118a01c9 | 433 | Preserve case in each match if `case-replace' and `case-fold-search' |
da44e784 | 434 | are non-nil and REGEXP has no uppercase letters. |
47d72254 GM |
435 | |
436 | In Transient Mark mode, if the mark is active, operate on the contents | |
437 | of the region. Otherwise, operate from point to the end of the buffer. | |
438 | ||
118a01c9 | 439 | Third arg DELIMITED (prefix arg if interactive), if non-nil, means replace |
da44e784 | 440 | only matches surrounded by word boundaries. |
47d72254 GM |
441 | Fourth and fifth arg START and END specify the region to operate on. |
442 | ||
118a01c9 RS |
443 | In TO-STRING, `\\&' stands for whatever matched the whole of REGEXP, |
444 | and `\\=\\N' (where N is a digit) stands for | |
7c1c02ac DK |
445 | whatever what matched the Nth `\\(...\\)' in REGEXP. |
446 | `\\?' lets you edit the replacement text in the minibuffer | |
447 | at the given position for each replacement. | |
448 | ||
449 | In interactive calls, the replacement text may contain `\\,' | |
450 | followed by a Lisp expression used as part of the replacement | |
451 | text. Inside of that expression, `\\&' is a string denoting the | |
452 | whole match, `\\N' a partial matches, `\\#&' and `\\#N' the | |
453 | respective numeric values from `string-to-number', and `\\#' | |
454 | itself for `replace-count', the number of replacements occured so | |
455 | far. | |
456 | ||
457 | If your Lisp expression is an identifier and the next letter in | |
458 | the replacement string would be interpreted as part of it, you | |
459 | can wrap it with an expression like `\\,(or \\#)'. Incidentally, | |
460 | for this particular case you may also enter `\\#' in the | |
461 | replacement text directly. | |
462 | ||
463 | When using those Lisp features interactively in the replacement | |
464 | text, TO-STRING is actually made a list instead of a string. | |
465 | Use \\[repeat-complex-command] after this command for details. | |
da44e784 | 466 | |
151270f3 RS |
467 | If `query-replace-interactive' is non-nil, the last incremental search |
468 | regexp is used as REGEXP--you don't have to specify it with the minibuffer. | |
469 | ||
da44e784 RM |
470 | This function is usually the wrong thing to use in a Lisp program. |
471 | What you probably want is a loop like this: | |
472 | (while (re-search-forward REGEXP nil t) | |
118a01c9 | 473 | (replace-match TO-STRING nil nil)) |
da44e784 | 474 | which will run faster and will not set the mark or print anything." |
10784bac RS |
475 | (interactive |
476 | (let ((common | |
477 | (query-replace-read-args "Replace regexp" t))) | |
478 | (list (nth 0 common) (nth 1 common) (nth 2 common) | |
479 | (if (and transient-mark-mode mark-active) | |
480 | (region-beginning)) | |
481 | (if (and transient-mark-mode mark-active) | |
482 | (region-end))))) | |
99a7559f | 483 | (perform-replace regexp to-string nil t delimited nil nil start end)) |
e32eb3e6 | 484 | |
4c53bd2b RS |
485 | \f |
486 | (defvar regexp-history nil | |
487 | "History list for some commands that read regular expressions.") | |
da44e784 | 488 | |
e32eb3e6 | 489 | |
31e1d920 | 490 | (defalias 'delete-non-matching-lines 'keep-lines) |
e32eb3e6 GM |
491 | (defalias 'delete-matching-lines 'flush-lines) |
492 | (defalias 'count-matches 'how-many) | |
493 | ||
494 | ||
495 | (defun keep-lines-read-args (prompt) | |
496 | "Read arguments for `keep-lines' and friends. | |
497 | Prompt for a regexp with PROMPT. | |
2ced751f RS |
498 | Value is a list, (REGEXP)." |
499 | (list (read-from-minibuffer prompt nil nil nil | |
500 | 'regexp-history nil t))) | |
e32eb3e6 GM |
501 | |
502 | (defun keep-lines (regexp &optional rstart rend) | |
698e1804 RS |
503 | "Delete all lines except those containing matches for REGEXP. |
504 | A match split across lines preserves all the lines it lies in. | |
d2a0ee8b RS |
505 | Applies to all lines after point. |
506 | ||
507 | If REGEXP contains upper case characters (excluding those preceded by `\\'), | |
e32eb3e6 GM |
508 | the matching is case-sensitive. |
509 | ||
510 | Second and third arg RSTART and REND specify the region to operate on. | |
511 | ||
2ced751f RS |
512 | Interactively, in Transient Mark mode when the mark is active, operate |
513 | on the contents of the region. Otherwise, operate from point to the | |
514 | end of the buffer." | |
515 | ||
e32eb3e6 | 516 | (interactive |
98faf1bb RS |
517 | (progn |
518 | (barf-if-buffer-read-only) | |
519 | (keep-lines-read-args "Keep lines (containing match for regexp): "))) | |
e32eb3e6 | 520 | (if rstart |
119831da RS |
521 | (progn |
522 | (goto-char (min rstart rend)) | |
523 | (setq rend (copy-marker (max rstart rend)))) | |
2ced751f RS |
524 | (if (and transient-mark-mode mark-active) |
525 | (setq rstart (region-beginning) | |
526 | rend (copy-marker (region-end))) | |
527 | (setq rstart (point) | |
528 | rend (point-max-marker))) | |
529 | (goto-char rstart)) | |
698e1804 RS |
530 | (save-excursion |
531 | (or (bolp) (forward-line 1)) | |
d2a0ee8b RS |
532 | (let ((start (point)) |
533 | (case-fold-search (and case-fold-search | |
534 | (isearch-no-upper-case-p regexp t)))) | |
e32eb3e6 | 535 | (while (< (point) rend) |
698e1804 | 536 | ;; Start is first char not preserved by previous match. |
e32eb3e6 GM |
537 | (if (not (re-search-forward regexp rend 'move)) |
538 | (delete-region start rend) | |
698e1804 RS |
539 | (let ((end (save-excursion (goto-char (match-beginning 0)) |
540 | (beginning-of-line) | |
541 | (point)))) | |
542 | ;; Now end is first char preserved by the new match. | |
543 | (if (< start end) | |
544 | (delete-region start end)))) | |
d99118b0 | 545 | |
e32eb3e6 | 546 | (setq start (save-excursion (forward-line 1) (point))) |
698e1804 | 547 | ;; If the match was empty, avoid matching again at same place. |
e32eb3e6 GM |
548 | (and (< (point) rend) |
549 | (= (match-beginning 0) (match-end 0)) | |
698e1804 RS |
550 | (forward-char 1)))))) |
551 | ||
e32eb3e6 GM |
552 | |
553 | (defun flush-lines (regexp &optional rstart rend) | |
698e1804 RS |
554 | "Delete lines containing matches for REGEXP. |
555 | If a match is split across lines, all the lines it lies in are deleted. | |
d2a0ee8b RS |
556 | Applies to lines after point. |
557 | ||
558 | If REGEXP contains upper case characters (excluding those preceded by `\\'), | |
e32eb3e6 GM |
559 | the matching is case-sensitive. |
560 | ||
561 | Second and third arg RSTART and REND specify the region to operate on. | |
562 | ||
2ced751f RS |
563 | Interactively, in Transient Mark mode when the mark is active, operate |
564 | on the contents of the region. Otherwise, operate from point to the | |
565 | end of the buffer." | |
566 | ||
e32eb3e6 | 567 | (interactive |
98faf1bb RS |
568 | (progn |
569 | (barf-if-buffer-read-only) | |
570 | (keep-lines-read-args "Flush lines (containing match for regexp): "))) | |
e32eb3e6 | 571 | (if rstart |
119831da RS |
572 | (progn |
573 | (goto-char (min rstart rend)) | |
574 | (setq rend (copy-marker (max rstart rend)))) | |
2ced751f RS |
575 | (if (and transient-mark-mode mark-active) |
576 | (setq rstart (region-beginning) | |
577 | rend (copy-marker (region-end))) | |
578 | (setq rstart (point) | |
579 | rend (point-max-marker))) | |
580 | (goto-char rstart)) | |
d2a0ee8b RS |
581 | (let ((case-fold-search (and case-fold-search |
582 | (isearch-no-upper-case-p regexp t)))) | |
583 | (save-excursion | |
e32eb3e6 GM |
584 | (while (and (< (point) rend) |
585 | (re-search-forward regexp rend t)) | |
d2a0ee8b RS |
586 | (delete-region (save-excursion (goto-char (match-beginning 0)) |
587 | (beginning-of-line) | |
588 | (point)) | |
589 | (progn (forward-line 1) (point))))))) | |
698e1804 | 590 | |
e32eb3e6 GM |
591 | |
592 | (defun how-many (regexp &optional rstart rend) | |
d2a0ee8b RS |
593 | "Print number of matches for REGEXP following point. |
594 | ||
595 | If REGEXP contains upper case characters (excluding those preceded by `\\'), | |
e32eb3e6 GM |
596 | the matching is case-sensitive. |
597 | ||
598 | Second and third arg RSTART and REND specify the region to operate on. | |
599 | ||
2ced751f RS |
600 | Interactively, in Transient Mark mode when the mark is active, operate |
601 | on the contents of the region. Otherwise, operate from point to the | |
602 | end of the buffer." | |
603 | ||
e32eb3e6 GM |
604 | (interactive |
605 | (keep-lines-read-args "How many matches for (regexp): ")) | |
f601efb0 SM |
606 | (save-excursion |
607 | (if rstart | |
608 | (goto-char (min rstart rend)) | |
2ced751f RS |
609 | (if (and transient-mark-mode mark-active) |
610 | (setq rstart (region-beginning) | |
611 | rend (copy-marker (region-end))) | |
612 | (setq rstart (point) | |
613 | rend (point-max-marker))) | |
614 | (goto-char rstart)) | |
f601efb0 SM |
615 | (let ((count 0) |
616 | opoint | |
617 | (case-fold-search (and case-fold-search | |
618 | (isearch-no-upper-case-p regexp t)))) | |
619 | (while (and (< (point) rend) | |
620 | (progn (setq opoint (point)) | |
621 | (re-search-forward regexp rend t))) | |
622 | (if (= opoint (point)) | |
623 | (forward-char 1) | |
624 | (setq count (1+ count)))) | |
625 | (message "%d occurrences" count)))) | |
e32eb3e6 | 626 | |
4c53bd2b | 627 | \f |
f601efb0 SM |
628 | (defvar occur-mode-map |
629 | (let ((map (make-sparse-keymap))) | |
630 | (define-key map [mouse-2] 'occur-mode-mouse-goto) | |
631 | (define-key map "\C-c\C-c" 'occur-mode-goto-occurrence) | |
632 | (define-key map "\C-m" 'occur-mode-goto-occurrence) | |
daae70bf | 633 | (define-key map "o" 'occur-mode-goto-occurrence-other-window) |
365486d6 | 634 | (define-key map "\C-o" 'occur-mode-display-occurrence) |
f601efb0 SM |
635 | (define-key map "\M-n" 'occur-next) |
636 | (define-key map "\M-p" 'occur-prev) | |
d99118b0 SS |
637 | (define-key map "r" 'occur-rename-buffer) |
638 | (define-key map "c" 'clone-buffer) | |
f601efb0 | 639 | (define-key map "g" 'revert-buffer) |
d99118b0 SS |
640 | (define-key map "q" 'quit-window) |
641 | (define-key map "z" 'kill-this-buffer) | |
b938735a | 642 | (define-key map "\C-c\C-f" 'next-error-follow-minor-mode) |
f601efb0 SM |
643 | map) |
644 | "Keymap for `occur-mode'.") | |
698e1804 | 645 | |
46b3d18e RS |
646 | (defvar occur-revert-arguments nil |
647 | "Arguments to pass to `occur-1' to revert an Occur mode buffer. | |
648 | See `occur-revert-function'.") | |
698e1804 | 649 | |
c9ae8cbb JB |
650 | (defcustom occur-mode-hook '(turn-on-font-lock) |
651 | "Hook run when entering Occur mode." | |
652 | :type 'hook | |
653 | :group 'matching) | |
654 | ||
655 | (defcustom occur-hook nil | |
656 | "Hook run when `occur' is called." | |
daae70bf CW |
657 | :type 'hook |
658 | :group 'matching) | |
659 | ||
de3c9b09 | 660 | (put 'occur-mode 'mode-class 'special) |
505847d4 | 661 | (defun occur-mode () |
698e1804 | 662 | "Major mode for output from \\[occur]. |
0081c8a1 RS |
663 | \\<occur-mode-map>Move point to one of the items in this buffer, then use |
664 | \\[occur-mode-goto-occurrence] to go to the occurrence that the item refers to. | |
665 | Alternatively, click \\[occur-mode-mouse-goto] on an item to go to it. | |
666 | ||
698e1804 | 667 | \\{occur-mode-map}" |
ce8b7b9f | 668 | (interactive) |
505847d4 RS |
669 | (kill-all-local-variables) |
670 | (use-local-map occur-mode-map) | |
671 | (setq major-mode 'occur-mode) | |
672 | (setq mode-name "Occur") | |
f601efb0 | 673 | (set (make-local-variable 'revert-buffer-function) 'occur-revert-function) |
c9ae8cbb | 674 | (make-local-variable 'occur-revert-arguments) |
fbefbe33 | 675 | (add-hook 'change-major-mode-hook 'font-lock-defontify nil t) |
423e4de7 | 676 | (setq next-error-function 'occur-next-error) |
c9ae8cbb | 677 | (run-hooks 'occur-mode-hook)) |
698e1804 | 678 | |
a41284da | 679 | (defun occur-revert-function (ignore1 ignore2) |
46b3d18e | 680 | "Handle `revert-buffer' for Occur mode buffers." |
e1690783 | 681 | (apply 'occur-1 (append occur-revert-arguments (list (buffer-name))))) |
a41284da | 682 | |
78bead73 RS |
683 | (defun occur-mode-mouse-goto (event) |
684 | "In Occur mode, go to the occurrence whose line you click on." | |
685 | (interactive "e") | |
46b3d18e | 686 | (let (pos) |
78bead73 RS |
687 | (save-excursion |
688 | (set-buffer (window-buffer (posn-window (event-end event)))) | |
689 | (save-excursion | |
690 | (goto-char (posn-point (event-end event))) | |
46b3d18e RS |
691 | (setq pos (occur-mode-find-occurrence)))) |
692 | (pop-to-buffer (marker-buffer pos)) | |
693 | (goto-char pos))) | |
78bead73 RS |
694 | |
695 | (defun occur-mode-find-occurrence () | |
46b3d18e RS |
696 | (let ((pos (get-text-property (point) 'occur-target))) |
697 | (unless pos | |
68608d9c | 698 | (error "No occurrence on this line")) |
46b3d18e RS |
699 | (unless (buffer-live-p (marker-buffer pos)) |
700 | (error "Buffer for this occurrence was killed")) | |
701 | pos)) | |
78bead73 RS |
702 | |
703 | (defun occur-mode-goto-occurrence () | |
704 | "Go to the occurrence the current line describes." | |
705 | (interactive) | |
46b3d18e RS |
706 | (let ((pos (occur-mode-find-occurrence))) |
707 | (pop-to-buffer (marker-buffer pos)) | |
708 | (goto-char pos))) | |
8d15583f | 709 | |
029024e2 RS |
710 | (defun occur-mode-goto-occurrence-other-window () |
711 | "Go to the occurrence the current line describes, in another window." | |
712 | (interactive) | |
46b3d18e RS |
713 | (let ((pos (occur-mode-find-occurrence))) |
714 | (switch-to-buffer-other-window (marker-buffer pos)) | |
715 | (goto-char pos))) | |
029024e2 | 716 | |
365486d6 RS |
717 | (defun occur-mode-display-occurrence () |
718 | "Display in another window the occurrence the current line describes." | |
719 | (interactive) | |
46b3d18e RS |
720 | (let ((pos (occur-mode-find-occurrence)) |
721 | window | |
722 | ;; Bind these to ensure `display-buffer' puts it in another window. | |
365486d6 | 723 | same-window-buffer-names |
46b3d18e RS |
724 | same-window-regexps) |
725 | (setq window (display-buffer (marker-buffer pos))) | |
365486d6 RS |
726 | ;; This is the way to set point in the proper window. |
727 | (save-selected-window | |
728 | (select-window window) | |
46b3d18e | 729 | (goto-char pos)))) |
365486d6 | 730 | |
123d5548 | 731 | (defun occur-find-match (n search message) |
8d15583f RS |
732 | (if (not n) (setq n 1)) |
733 | (let ((r)) | |
734 | (while (> n 0) | |
123d5548 JB |
735 | (setq r (funcall search (point) 'occur-match)) |
736 | (and r | |
737 | (get-text-property r 'occur-match) | |
738 | (setq r (funcall search r 'occur-match))) | |
8d15583f | 739 | (if r |
123d5548 JB |
740 | (goto-char r) |
741 | (error message)) | |
8d15583f RS |
742 | (setq n (1- n))))) |
743 | ||
123d5548 JB |
744 | (defun occur-next (&optional n) |
745 | "Move to the Nth (default 1) next match in an Occur mode buffer." | |
746 | (interactive "p") | |
747 | (occur-find-match n #'next-single-property-change "No more matches")) | |
748 | ||
8d15583f | 749 | (defun occur-prev (&optional n) |
46b3d18e | 750 | "Move to the Nth (default 1) previous match in an Occur mode buffer." |
8d15583f | 751 | (interactive "p") |
123d5548 | 752 | (occur-find-match n #'previous-single-property-change "No earlier matches")) |
423e4de7 KS |
753 | |
754 | (defun occur-next-error (&optional argp reset) | |
755 | "Move to the Nth (default 1) next match in an Occur mode buffer. | |
756 | Compatibility function for \\[next-error] invocations." | |
757 | (interactive "p") | |
5f9e0ca5 | 758 | ;; we need to run occur-find-match from within the Occur buffer |
f1f007dc | 759 | (with-current-buffer |
f42a241b | 760 | ;; Choose the buffer and make it current. |
5f9e0ca5 TZ |
761 | (if (next-error-buffer-p (current-buffer)) |
762 | (current-buffer) | |
f42a241b RS |
763 | (next-error-find-buffer nil nil |
764 | (lambda () | |
765 | (eq major-mode 'occur-mode)))) | |
f1f007dc JL |
766 | |
767 | (goto-char (cond (reset (point-min)) | |
768 | ((< argp 0) (line-beginning-position)) | |
769 | ((line-end-position)))) | |
5f9e0ca5 | 770 | (occur-find-match |
f1f007dc JL |
771 | (abs argp) |
772 | (if (> 0 argp) | |
5f9e0ca5 TZ |
773 | #'previous-single-property-change |
774 | #'next-single-property-change) | |
775 | "No more matches") | |
776 | ;; In case the *Occur* buffer is visible in a nonselected window. | |
777 | (set-window-point (get-buffer-window (current-buffer)) (point)) | |
778 | (occur-mode-goto-occurrence))) | |
4c53bd2b | 779 | \f |
aaaecfcd JL |
780 | (defface match |
781 | '((((class color) (min-colors 88) (background light)) | |
782 | :background "Tan") | |
783 | (((class color) (min-colors 88) (background dark)) | |
784 | :background "RoyalBlue4") | |
785 | (((class color) (min-colors 8)) | |
786 | :background "blue" :foreground "white") | |
787 | (((type tty) (class mono)) | |
788 | :inverse-video t) | |
789 | (t :background "gray")) | |
790 | "Face used to highlight matches permanently." | |
791 | :group 'matching | |
792 | :version "21.4") | |
793 | ||
9d325ebf | 794 | (defcustom list-matching-lines-default-context-lines 0 |
e730be7f DL |
795 | "*Default number of context lines included around `list-matching-lines' matches. |
796 | A negative number means to include that many lines before the match. | |
9d325ebf RS |
797 | A positive number means to include that many lines both before and after." |
798 | :type 'integer | |
799 | :group 'matching) | |
698e1804 | 800 | |
31e1d920 | 801 | (defalias 'list-matching-lines 'occur) |
698e1804 | 802 | |
aaaecfcd | 803 | (defcustom list-matching-lines-face 'match |
e730be7f | 804 | "*Face used by \\[list-matching-lines] to show the text that matches. |
68608d9c CW |
805 | If the value is nil, don't highlight the matching portions specially." |
806 | :type 'face | |
807 | :group 'matching) | |
808 | ||
809 | (defcustom list-matching-lines-buffer-name-face 'underline | |
810 | "*Face used by \\[list-matching-lines] to show the names of buffers. | |
811 | If the value is nil, don't highlight the buffer names specially." | |
812 | :type 'face | |
813 | :group 'matching) | |
814 | ||
2f4e3f7a | 815 | (defun occur-accumulate-lines (count &optional keep-props) |
68608d9c CW |
816 | (save-excursion |
817 | (let ((forwardp (> count 0)) | |
f1f007dc | 818 | result beg end) |
68608d9c CW |
819 | (while (not (or (zerop count) |
820 | (if forwardp | |
821 | (eobp) | |
822 | (bobp)))) | |
b0523087 | 823 | (setq count (+ count (if forwardp -1 1))) |
f1f007dc JL |
824 | (setq beg (line-beginning-position) |
825 | end (line-end-position)) | |
2c13e47b | 826 | (if (and keep-props (boundp 'jit-lock-mode) jit-lock-mode |
f1f007dc | 827 | (text-property-not-all beg end 'fontified t)) |
2c13e47b | 828 | (jit-lock-fontify-now beg end)) |
68608d9c | 829 | (push |
2f4e3f7a RS |
830 | (funcall (if keep-props |
831 | #'buffer-substring | |
832 | #'buffer-substring-no-properties) | |
f1f007dc | 833 | beg end) |
68608d9c CW |
834 | result) |
835 | (forward-line (if forwardp 1 -1))) | |
836 | (nreverse result)))) | |
837 | ||
838 | (defun occur-read-primary-args () | |
839 | (list (let* ((default (car regexp-history)) | |
840 | (input | |
841 | (read-from-minibuffer | |
842 | (if default | |
843 | (format "List lines matching regexp (default `%s'): " | |
6f1df6d9 | 844 | (query-replace-descr default)) |
68608d9c CW |
845 | "List lines matching regexp: ") |
846 | nil | |
847 | nil | |
848 | nil | |
442a68c7 RS |
849 | 'regexp-history |
850 | default))) | |
68608d9c CW |
851 | (if (equal input "") |
852 | default | |
853 | input)) | |
bda1925e CW |
854 | (when current-prefix-arg |
855 | (prefix-numeric-value current-prefix-arg)))) | |
c9daced0 | 856 | |
d99118b0 SS |
857 | (defun occur-rename-buffer (&optional unique-p) |
858 | "Rename the current *Occur* buffer to *Occur: original-buffer-name*. | |
859 | Here `original-buffer-name' is the buffer name were occur was originally run. | |
860 | When given the prefix argument, the renaming will not clobber the existing | |
861 | buffer(s) of that name, but use `generate-new-buffer-name' instead. | |
2fb79329 | 862 | You can add this to `occur-hook' if you always want a separate *Occur* |
d99118b0 SS |
863 | buffer for each buffer where you invoke `occur'." |
864 | (interactive "P") | |
865 | (with-current-buffer | |
866 | (if (eq major-mode 'occur-mode) (current-buffer) (get-buffer "*Occur*")) | |
867 | (rename-buffer (concat "*Occur: " | |
868 | (mapconcat #'buffer-name | |
869 | (car (cddr occur-revert-arguments)) "/") | |
870 | "*") | |
871 | unique-p))) | |
872 | ||
698e1804 | 873 | (defun occur (regexp &optional nlines) |
99976f85 | 874 | "Show all lines in the current buffer containing a match for REGEXP. |
da44e784 RM |
875 | |
876 | If a match spreads across multiple lines, all those lines are shown. | |
698e1804 | 877 | |
da44e784 RM |
878 | Each line is displayed with NLINES lines before and after, or -NLINES |
879 | before if NLINES is negative. | |
880 | NLINES defaults to `list-matching-lines-default-context-lines'. | |
698e1804 RS |
881 | Interactively it is the prefix arg. |
882 | ||
4c53bd2b | 883 | The lines are shown in a buffer named `*Occur*'. |
698e1804 | 884 | It serves as a menu to find any of the occurrences in this buffer. |
de3c9b09 | 885 | \\<occur-mode-map>\\[describe-mode] in that buffer will explain how. |
9483d601 | 886 | |
de3c9b09 RS |
887 | If REGEXP contains upper case characters (excluding those preceded by `\\'), |
888 | the matching is case-sensitive." | |
68608d9c CW |
889 | (interactive (occur-read-primary-args)) |
890 | (occur-1 regexp nlines (list (current-buffer)))) | |
891 | ||
892 | (defun multi-occur (bufs regexp &optional nlines) | |
893 | "Show all lines in buffers BUFS containing a match for REGEXP. | |
894 | This function acts on multiple buffers; otherwise, it is exactly like | |
895 | `occur'." | |
a5dfed3e | 896 | (interactive |
68608d9c | 897 | (cons |
52698d45 KS |
898 | (let* ((bufs (list (read-buffer "First buffer to search: " |
899 | (current-buffer) t))) | |
900 | (buf nil) | |
901 | (ido-ignore-item-temp-list bufs)) | |
68608d9c | 902 | (while (not (string-equal |
f1180544 | 903 | (setq buf (read-buffer |
52698d45 KS |
904 | (if (eq read-buffer-function 'ido-read-buffer) |
905 | "Next buffer to search (C-j to end): " | |
906 | "Next buffer to search (RET to end): ") | |
907 | nil t)) | |
68608d9c | 908 | "")) |
52698d45 KS |
909 | (add-to-list 'bufs buf) |
910 | (setq ido-ignore-item-temp-list bufs)) | |
68608d9c CW |
911 | (nreverse (mapcar #'get-buffer bufs))) |
912 | (occur-read-primary-args))) | |
913 | (occur-1 regexp nlines bufs)) | |
914 | ||
915 | (defun multi-occur-by-filename-regexp (bufregexp regexp &optional nlines) | |
04fe158a | 916 | "Show all lines matching REGEXP in buffers named by BUFREGEXP. |
68608d9c CW |
917 | See also `multi-occur'." |
918 | (interactive | |
919 | (cons | |
920 | (let* ((default (car regexp-history)) | |
921 | (input | |
922 | (read-from-minibuffer | |
923 | "List lines in buffers whose filename matches regexp: " | |
924 | nil | |
925 | nil | |
926 | nil | |
927 | 'regexp-history))) | |
928 | (if (equal input "") | |
929 | default | |
930 | input)) | |
931 | (occur-read-primary-args))) | |
932 | (when bufregexp | |
933 | (occur-1 regexp nlines | |
934 | (delq nil | |
935 | (mapcar (lambda (buf) | |
936 | (when (and (buffer-file-name buf) | |
937 | (string-match bufregexp | |
938 | (buffer-file-name buf))) | |
939 | buf)) | |
940 | (buffer-list)))))) | |
941 | ||
e1690783 CW |
942 | (defun occur-1 (regexp nlines bufs &optional buf-name) |
943 | (unless buf-name | |
944 | (setq buf-name "*Occur*")) | |
f42a241b | 945 | (let (occur-buf |
70ed2a76 CW |
946 | (active-bufs (delq nil (mapcar #'(lambda (buf) |
947 | (when (buffer-live-p buf) buf)) | |
948 | bufs)))) | |
949 | ;; Handle the case where one of the buffers we're searching is the | |
f42a241b RS |
950 | ;; output buffer. Just rename it. |
951 | (when (member buf-name (mapcar 'buffer-name active-bufs)) | |
952 | (with-current-buffer (get-buffer buf-name) | |
953 | (rename-uniquely))) | |
954 | ||
955 | ;; Now find or create the output buffer. | |
956 | ;; If we just renamed that buffer, we will make a new one here. | |
957 | (setq occur-buf (get-buffer-create buf-name)) | |
958 | ||
68608d9c CW |
959 | (with-current-buffer occur-buf |
960 | (setq buffer-read-only nil) | |
961 | (occur-mode) | |
962 | (erase-buffer) | |
963 | (let ((count (occur-engine | |
70ed2a76 | 964 | regexp active-bufs occur-buf |
68608d9c CW |
965 | (or nlines list-matching-lines-default-context-lines) |
966 | (and case-fold-search | |
967 | (isearch-no-upper-case-p regexp t)) | |
506a6d7e | 968 | list-matching-lines-buffer-name-face |
2f4e3f7a | 969 | nil list-matching-lines-face t))) |
b2043e7b AS |
970 | (let* ((bufcount (length active-bufs)) |
971 | (diff (- (length bufs) bufcount))) | |
972 | (message "Searched %d buffer%s%s; %s match%s for `%s'" | |
973 | bufcount (if (= bufcount 1) "" "s") | |
974 | (if (zerop diff) "" (format " (%d killed)" diff)) | |
975 | (if (zerop count) "no" (format "%d" count)) | |
976 | (if (= count 1) "" "es") | |
977 | regexp)) | |
70ed2a76 CW |
978 | (setq occur-revert-arguments (list regexp nlines bufs) |
979 | buffer-read-only t) | |
68608d9c | 980 | (if (> count 0) |
423e4de7 KS |
981 | (progn |
982 | (display-buffer occur-buf) | |
983 | (setq next-error-last-buffer occur-buf)) | |
2fb79329 JB |
984 | (kill-buffer occur-buf))) |
985 | (run-hooks 'occur-hook)))) | |
68608d9c | 986 | |
46b3d18e RS |
987 | (defun occur-engine-add-prefix (lines) |
988 | (mapcar | |
989 | #'(lambda (line) | |
261cca88 | 990 | (concat " :" line "\n")) |
46b3d18e RS |
991 | lines)) |
992 | ||
993 | (defun occur-engine (regexp buffers out-buf nlines case-fold-search | |
994 | title-face prefix-face match-face keep-props) | |
995 | (with-current-buffer out-buf | |
996 | (setq buffer-read-only nil) | |
5cb4031d KH |
997 | (let ((globalcount 0) |
998 | (coding nil)) | |
46b3d18e RS |
999 | ;; Map over all the buffers |
1000 | (dolist (buf buffers) | |
1001 | (when (buffer-live-p buf) | |
1002 | (let ((matches 0) ;; count of matched lines | |
1003 | (lines 1) ;; line count | |
1004 | (matchbeg 0) | |
46b3d18e RS |
1005 | (origpt nil) |
1006 | (begpt nil) | |
1007 | (endpt nil) | |
1008 | (marker nil) | |
1009 | (curstring "") | |
1010 | (headerpt (with-current-buffer out-buf (point)))) | |
1011 | (save-excursion | |
1012 | (set-buffer buf) | |
5cb4031d KH |
1013 | (or coding |
1014 | ;; Set CODING only if the current buffer locally | |
1015 | ;; binds buffer-file-coding-system. | |
1016 | (not (local-variable-p 'buffer-file-coding-system)) | |
1017 | (setq coding buffer-file-coding-system)) | |
68608d9c | 1018 | (save-excursion |
46b3d18e RS |
1019 | (goto-char (point-min)) ;; begin searching in the buffer |
1020 | (while (not (eobp)) | |
1021 | (setq origpt (point)) | |
1022 | (when (setq endpt (re-search-forward regexp nil t)) | |
1023 | (setq matches (1+ matches)) ;; increment match count | |
5291cbca | 1024 | (setq matchbeg (match-beginning 0)) |
46b3d18e | 1025 | (setq lines (+ lines (1- (count-lines origpt endpt)))) |
f1f007dc JL |
1026 | (save-excursion |
1027 | (goto-char matchbeg) | |
1028 | (setq begpt (line-beginning-position) | |
1029 | endpt (line-end-position))) | |
46b3d18e RS |
1030 | (setq marker (make-marker)) |
1031 | (set-marker marker matchbeg) | |
2c13e47b | 1032 | (if (and keep-props (boundp 'jit-lock-mode) jit-lock-mode |
f1f007dc | 1033 | (text-property-not-all begpt endpt 'fontified t)) |
2c13e47b | 1034 | (jit-lock-fontify-now begpt endpt)) |
f1f007dc | 1035 | (setq curstring (buffer-substring begpt endpt)) |
46b3d18e RS |
1036 | ;; Depropertize the string, and maybe |
1037 | ;; highlight the matches | |
1038 | (let ((len (length curstring)) | |
1039 | (start 0)) | |
1040 | (unless keep-props | |
1041 | (set-text-properties 0 len nil curstring)) | |
1042 | (while (and (< start len) | |
1043 | (string-match regexp curstring start)) | |
f1f007dc JL |
1044 | (add-text-properties |
1045 | (match-beginning 0) (match-end 0) | |
1046 | (append | |
1047 | `(occur-match t) | |
1048 | (when match-face | |
1049 | ;; Use `face' rather than `font-lock-face' here | |
1050 | ;; so as to override faces copied from the buffer. | |
1051 | `(face ,match-face))) | |
1052 | curstring) | |
46b3d18e RS |
1053 | (setq start (match-end 0)))) |
1054 | ;; Generate the string to insert for this match | |
1055 | (let* ((out-line | |
1056 | (concat | |
261cca88 RS |
1057 | ;; Using 7 digits aligns tabs properly. |
1058 | (apply #'propertize (format "%7d:" lines) | |
46b3d18e RS |
1059 | (append |
1060 | (when prefix-face | |
506a6d7e | 1061 | `(font-lock-face prefix-face)) |
46b3d18e | 1062 | '(occur-prefix t))) |
f1f007dc JL |
1063 | ;; We don't put `mouse-face' on the newline, |
1064 | ;; because that loses. And don't put it | |
1065 | ;; on context lines to reduce flicker. | |
1066 | (propertize curstring 'mouse-face 'highlight) | |
46b3d18e RS |
1067 | "\n")) |
1068 | (data | |
1069 | (if (= nlines 0) | |
1070 | ;; The simple display style | |
1071 | out-line | |
1072 | ;; The complex multi-line display | |
1073 | ;; style. Generate a list of lines, | |
1074 | ;; concatenate them all together. | |
1075 | (apply #'concat | |
1076 | (nconc | |
f22a7406 | 1077 | (occur-engine-add-prefix (nreverse (cdr (occur-accumulate-lines (- (1+ (abs nlines))) keep-props)))) |
46b3d18e | 1078 | (list out-line) |
f22a7406 RS |
1079 | (if (> nlines 0) |
1080 | (occur-engine-add-prefix | |
1081 | (cdr (occur-accumulate-lines (1+ nlines) keep-props))))))))) | |
46b3d18e RS |
1082 | ;; Actually insert the match display data |
1083 | (with-current-buffer out-buf | |
1084 | (let ((beg (point)) | |
1085 | (end (progn (insert data) (point)))) | |
1086 | (unless (= nlines 0) | |
1087 | (insert "-------\n")) | |
1088 | (add-text-properties | |
e8e2a88c | 1089 | beg end |
f1f007dc | 1090 | `(occur-target ,marker help-echo "mouse-2: go to this occurrence"))))) |
46b3d18e | 1091 | (goto-char endpt)) |
e1690783 CW |
1092 | (if endpt |
1093 | (progn | |
1094 | (setq lines (1+ lines)) | |
1095 | ;; On to the next match... | |
1096 | (forward-line 1)) | |
1097 | (goto-char (point-max)))))) | |
46b3d18e | 1098 | (when (not (zerop matches)) ;; is the count zero? |
daae70bf | 1099 | (setq globalcount (+ globalcount matches)) |
46b3d18e RS |
1100 | (with-current-buffer out-buf |
1101 | (goto-char headerpt) | |
1102 | (let ((beg (point)) | |
1103 | end) | |
dbed3cd3 JPW |
1104 | (insert (format "%d match%s for \"%s\" in buffer: %s\n" |
1105 | matches (if (= matches 1) "" "es") | |
1106 | regexp (buffer-name buf))) | |
46b3d18e RS |
1107 | (setq end (point)) |
1108 | (add-text-properties beg end | |
1109 | (append | |
1110 | (when title-face | |
506a6d7e CW |
1111 | `(font-lock-face ,title-face)) |
1112 | `(occur-title ,buf)))) | |
46b3d18e | 1113 | (goto-char (point-min))))))) |
5cb4031d KH |
1114 | (if coding |
1115 | ;; CODING is buffer-file-coding-system of the first buffer | |
1116 | ;; that locally binds it. Let's use it also for the output | |
1117 | ;; buffer. | |
1118 | (set-buffer-file-coding-system coding)) | |
46b3d18e RS |
1119 | ;; Return the number of matches |
1120 | globalcount))) | |
68608d9c | 1121 | |
698e1804 | 1122 | \f |
81bdc14d RS |
1123 | ;; It would be nice to use \\[...], but there is no reasonable way |
1124 | ;; to make that display both SPC and Y. | |
698e1804 RS |
1125 | (defconst query-replace-help |
1126 | "Type Space or `y' to replace one match, Delete or `n' to skip to next, | |
be44f62c | 1127 | RET or `q' to exit, Period to replace one match and exit, |
698e1804 RS |
1128 | Comma to replace but not move point immediately, |
1129 | C-r to enter recursive edit (\\[exit-recursive-edit] to get out again), | |
1130 | C-w to delete match and recursive edit, | |
1131 | C-l to clear the screen, redisplay, and offer same replacement again, | |
1132 | ! to replace all remaining matches with no more questions, | |
7ce278f3 GM |
1133 | ^ to move point back to previous match, |
1134 | E to edit the replacement string" | |
f54701d1 | 1135 | "Help message while in `query-replace'.") |
698e1804 | 1136 | |
81bdc14d RS |
1137 | (defvar query-replace-map (make-sparse-keymap) |
1138 | "Keymap that defines the responses to questions in `query-replace'. | |
1139 | The \"bindings\" in this map are not commands; they are answers. | |
1140 | The valid answers include `act', `skip', `act-and-show', | |
1141 | `exit', `act-and-exit', `edit', `delete-and-edit', `recenter', | |
d9121bc0 | 1142 | `automatic', `backup', `exit-prefix', and `help'.") |
81bdc14d RS |
1143 | |
1144 | (define-key query-replace-map " " 'act) | |
1145 | (define-key query-replace-map "\d" 'skip) | |
1146 | (define-key query-replace-map [delete] 'skip) | |
9275e5e3 | 1147 | (define-key query-replace-map [backspace] 'skip) |
81bdc14d RS |
1148 | (define-key query-replace-map "y" 'act) |
1149 | (define-key query-replace-map "n" 'skip) | |
633a305a RS |
1150 | (define-key query-replace-map "Y" 'act) |
1151 | (define-key query-replace-map "N" 'skip) | |
34724fcb | 1152 | (define-key query-replace-map "e" 'edit-replacement) |
7ce278f3 | 1153 | (define-key query-replace-map "E" 'edit-replacement) |
81bdc14d | 1154 | (define-key query-replace-map "," 'act-and-show) |
81bdc14d | 1155 | (define-key query-replace-map "q" 'exit) |
919592c0 | 1156 | (define-key query-replace-map "\r" 'exit) |
384c7da4 | 1157 | (define-key query-replace-map [return] 'exit) |
81bdc14d RS |
1158 | (define-key query-replace-map "." 'act-and-exit) |
1159 | (define-key query-replace-map "\C-r" 'edit) | |
1160 | (define-key query-replace-map "\C-w" 'delete-and-edit) | |
1161 | (define-key query-replace-map "\C-l" 'recenter) | |
1162 | (define-key query-replace-map "!" 'automatic) | |
1163 | (define-key query-replace-map "^" 'backup) | |
1164 | (define-key query-replace-map "\C-h" 'help) | |
e731045a KH |
1165 | (define-key query-replace-map [f1] 'help) |
1166 | (define-key query-replace-map [help] 'help) | |
81bdc14d | 1167 | (define-key query-replace-map "?" 'help) |
bc6312e1 RS |
1168 | (define-key query-replace-map "\C-g" 'quit) |
1169 | (define-key query-replace-map "\C-]" 'quit) | |
d9121bc0 RS |
1170 | (define-key query-replace-map "\e" 'exit-prefix) |
1171 | (define-key query-replace-map [escape] 'exit-prefix) | |
81bdc14d | 1172 | |
84482eb3 | 1173 | (defun replace-match-string-symbols (n) |
e730be7f DL |
1174 | "Process a list (and any sub-lists), expanding certain symbols. |
1175 | Symbol Expands To | |
1176 | N (match-string N) (where N is a string of digits) | |
1177 | #N (string-to-number (match-string N)) | |
1178 | & (match-string 0) | |
1179 | #& (string-to-number (match-string 0)) | |
2f57bf85 | 1180 | # replace-count |
e730be7f DL |
1181 | |
1182 | Note that these symbols must be preceeded by a backslash in order to | |
1183 | type them." | |
84482eb3 RS |
1184 | (while n |
1185 | (cond | |
1186 | ((consp (car n)) | |
1187 | (replace-match-string-symbols (car n))) ;Process sub-list | |
1188 | ((symbolp (car n)) | |
1189 | (let ((name (symbol-name (car n)))) | |
1190 | (cond | |
1191 | ((string-match "^[0-9]+$" name) | |
1192 | (setcar n (list 'match-string (string-to-number name)))) | |
1193 | ((string-match "^#[0-9]+$" name) | |
1194 | (setcar n (list 'string-to-number | |
1195 | (list 'match-string | |
1196 | (string-to-number (substring name 1)))))) | |
1197 | ((string= "&" name) | |
1198 | (setcar n '(match-string 0))) | |
1199 | ((string= "#&" name) | |
2f57bf85 DK |
1200 | (setcar n '(string-to-number (match-string 0)))) |
1201 | ((string= "#" name) | |
1202 | (setcar n 'replace-count)))))) | |
84482eb3 RS |
1203 | (setq n (cdr n)))) |
1204 | ||
1205 | (defun replace-eval-replacement (expression replace-count) | |
1206 | (let ((replacement (eval expression))) | |
1207 | (if (stringp replacement) | |
1208 | replacement | |
1209 | (prin1-to-string replacement t)))) | |
1210 | ||
2f57bf85 DK |
1211 | (defun replace-quote (replacement) |
1212 | "Quote a replacement string. | |
1213 | This just doubles all backslashes in REPLACEMENT and | |
1214 | returns the resulting string. If REPLACEMENT is not | |
1215 | a string, it is first passed through `prin1-to-string' | |
1216 | with the `noescape' argument set. | |
1217 | ||
1218 | `match-data' is preserved across the call." | |
1219 | (save-match-data | |
1220 | (replace-regexp-in-string "\\\\" "\\\\" | |
1221 | (if (stringp replacement) | |
1222 | replacement | |
1223 | (prin1-to-string replacement t)) | |
1224 | t t))) | |
1225 | ||
84482eb3 RS |
1226 | (defun replace-loop-through-replacements (data replace-count) |
1227 | ;; DATA is a vector contaning the following values: | |
1228 | ;; 0 next-rotate-count | |
1229 | ;; 1 repeat-count | |
1230 | ;; 2 next-replacement | |
1231 | ;; 3 replacements | |
1232 | (if (= (aref data 0) replace-count) | |
1233 | (progn | |
1234 | (aset data 0 (+ replace-count (aref data 1))) | |
1235 | (let ((next (cdr (aref data 2)))) | |
1236 | (aset data 2 (if (consp next) next (aref data 3)))))) | |
1237 | (car (aref data 2))) | |
1238 | ||
7c1c02ac DK |
1239 | (defun replace-match-data (integers reuse &optional new) |
1240 | "Like `match-data', but markers in REUSE get invalidated. | |
1241 | If NEW is non-NIL, it is set and returned instead of fresh data, | |
1242 | but coerced to the correct value of INTEGERS." | |
1243 | (or (and new | |
1244 | (progn | |
1245 | (set-match-data new) | |
1246 | (and (eq new reuse) | |
1247 | (eq (null integers) (markerp (car reuse))) | |
1248 | new))) | |
1249 | (match-data integers | |
1250 | (prog1 reuse | |
1251 | (while reuse | |
1252 | (if (markerp (car reuse)) | |
1253 | (set-marker (car reuse) nil)) | |
1254 | (setq reuse (cdr reuse))))))) | |
1255 | ||
1256 | (defun replace-match-maybe-edit (newtext fixedcase literal noedit match-data) | |
1257 | "Make a replacement with `replace-match', editing `\\?'. | |
15fd7d5d | 1258 | NEWTEXT, FIXEDCASE, LITERAL are just passed on. If NOEDIT is true, no |
7c1c02ac DK |
1259 | check for `\\?' is made to save time. MATCH-DATA is used for the |
1260 | replacement. In case editing is done, it is changed to use markers. | |
1261 | ||
1262 | The return value is non-NIL if there has been no `\\?' or NOEDIT was | |
1263 | passed in. If LITERAL is set, no checking is done, anyway." | |
1264 | (unless (or literal noedit) | |
1265 | (setq noedit t) | |
1266 | (while (string-match "\\(\\`\\|[^\\]\\)\\(\\\\\\\\\\)*\\(\\\\\\?\\)" | |
1267 | newtext) | |
1268 | (setq newtext | |
1269 | (read-input "Edit replacement string: " | |
1270 | (prog1 | |
1271 | (cons | |
1272 | (replace-match "" t t newtext 3) | |
1273 | (1+ (match-beginning 3))) | |
1274 | (setq match-data | |
1275 | (replace-match-data | |
1276 | nil match-data match-data)))) | |
1277 | noedit nil))) | |
1278 | (set-match-data match-data) | |
1279 | (replace-match newtext fixedcase literal) | |
1280 | noedit) | |
1281 | ||
d99118b0 | 1282 | (defun perform-replace (from-string replacements |
698e1804 | 1283 | query-flag regexp-flag delimited-flag |
99a7559f | 1284 | &optional repeat-count map start end) |
698e1804 RS |
1285 | "Subroutine of `query-replace'. Its complexity handles interactive queries. |
1286 | Don't use this in your own program unless you want to query and set the mark | |
1287 | just as `query-replace' does. Instead, write a simple loop like this: | |
698665d1 GM |
1288 | |
1289 | (while (re-search-forward \"foo[ \\t]+bar\" nil t) | |
698e1804 | 1290 | (replace-match \"foobar\" nil nil)) |
698665d1 GM |
1291 | |
1292 | which will run faster and probably do exactly what you want. Please | |
1293 | see the documentation of `replace-match' to find out how to simulate | |
588c915a CW |
1294 | `case-replace'. |
1295 | ||
1296 | This function returns nil if and only if there were no matches to | |
1297 | make, or the user didn't cancel the call." | |
81bdc14d | 1298 | (or map (setq map query-replace-map)) |
1c1dadab RS |
1299 | (and query-flag minibuffer-auto-raise |
1300 | (raise-frame (window-frame (minibuffer-window)))) | |
698e1804 RS |
1301 | (let ((nocasify (not (and case-fold-search case-replace |
1302 | (string-equal from-string | |
1303 | (downcase from-string))))) | |
5a78b471 KH |
1304 | (case-fold-search (and case-fold-search |
1305 | (string-equal from-string | |
1306 | (downcase from-string)))) | |
d83a97ab | 1307 | (literal (or (not regexp-flag) (eq regexp-flag 'literal))) |
698e1804 RS |
1308 | (search-function (if regexp-flag 're-search-forward 'search-forward)) |
1309 | (search-string from-string) | |
e5d77022 | 1310 | (real-match-data nil) ; the match data for the current match |
698e1804 | 1311 | (next-replacement nil) |
7c1c02ac | 1312 | (noedit nil) |
698e1804 RS |
1313 | (keep-going t) |
1314 | (stack nil) | |
698e1804 | 1315 | (replace-count 0) |
5632eb27 PE |
1316 | (nonempty-match nil) |
1317 | ||
7ef5c431 KH |
1318 | ;; If non-nil, it is marker saying where in the buffer to stop. |
1319 | (limit nil) | |
1320 | ||
5632eb27 PE |
1321 | ;; Data for the next match. If a cons, it has the same format as |
1322 | ;; (match-data); otherwise it is t if a match is possible at point. | |
ae4eb03c | 1323 | (match-again t) |
5632eb27 | 1324 | |
35d59c0f JL |
1325 | (isearch-string isearch-string) |
1326 | (isearch-regexp isearch-regexp) | |
ccec9764 | 1327 | (isearch-case-fold-search isearch-case-fold-search) |
02d95a27 RS |
1328 | (message |
1329 | (if query-flag | |
1330 | (substitute-command-keys | |
1331 | "Query replacing %s with %s: (\\<query-replace-map>\\[help] for help) ")))) | |
7ef5c431 KH |
1332 | |
1333 | ;; If region is active, in Transient Mark mode, operate on region. | |
47d72254 GM |
1334 | (when start |
1335 | (setq limit (copy-marker (max start end))) | |
1336 | (goto-char (min start end)) | |
1337 | (deactivate-mark)) | |
84482eb3 RS |
1338 | |
1339 | ;; REPLACEMENTS is either a string, a list of strings, or a cons cell | |
1340 | ;; containing a function and its first argument. The function is | |
1341 | ;; called to generate each replacement like this: | |
1342 | ;; (funcall (car replacements) (cdr replacements) replace-count) | |
1343 | ;; It must return a string. | |
1344 | (cond | |
1345 | ((stringp replacements) | |
1346 | (setq next-replacement replacements | |
1347 | replacements nil)) | |
1348 | ((stringp (car replacements)) ; If it isn't a string, it must be a cons | |
1349 | (or repeat-count (setq repeat-count 1)) | |
1350 | (setq replacements (cons 'replace-loop-through-replacements | |
1351 | (vector repeat-count repeat-count | |
1352 | replacements replacements))))) | |
1353 | ||
698e1804 RS |
1354 | (if delimited-flag |
1355 | (setq search-function 're-search-forward | |
1356 | search-string (concat "\\b" | |
1357 | (if regexp-flag from-string | |
1358 | (regexp-quote from-string)) | |
1359 | "\\b"))) | |
ccec9764 JL |
1360 | (when query-replace-lazy-highlight |
1361 | (setq isearch-string search-string | |
1362 | isearch-regexp (or delimited-flag regexp-flag) | |
1363 | isearch-case-fold-search case-fold-search | |
1364 | isearch-lazy-highlight-last-string nil)) | |
35d59c0f | 1365 | |
698e1804 RS |
1366 | (push-mark) |
1367 | (undo-boundary) | |
e782e9f2 RS |
1368 | (unwind-protect |
1369 | ;; Loop finding occurrences that perhaps should be replaced. | |
1370 | (while (and keep-going | |
22a76778 | 1371 | (not (or (eobp) (and limit (>= (point) limit)))) |
5632eb27 PE |
1372 | ;; Use the next match if it is already known; |
1373 | ;; otherwise, search for a match after moving forward | |
1374 | ;; one char if progress is required. | |
1375 | (setq real-match-data | |
1376 | (if (consp match-again) | |
1377 | (progn (goto-char (nth 1 match-again)) | |
7c1c02ac DK |
1378 | (replace-match-data t |
1379 | real-match-data | |
1380 | match-again)) | |
5632eb27 | 1381 | (and (or match-again |
889617de GM |
1382 | ;; MATCH-AGAIN non-nil means we |
1383 | ;; accept an adjacent match. If | |
1384 | ;; we don't, move one char to the | |
1385 | ;; right. This takes us a | |
1386 | ;; character too far at the end, | |
1387 | ;; but this is undone after the | |
1388 | ;; while-loop. | |
22a76778 JL |
1389 | (progn |
1390 | (forward-char 1) | |
1391 | (not (or (eobp) | |
1392 | (and limit (>= (point) limit)))))) | |
7ef5c431 | 1393 | (funcall search-function search-string limit t) |
5632eb27 PE |
1394 | ;; For speed, use only integers and |
1395 | ;; reuse the list used last time. | |
7c1c02ac | 1396 | (replace-match-data t real-match-data))))) |
1c4fe319 RS |
1397 | ;; Optionally ignore matches that have a read-only property. |
1398 | (unless (and query-replace-skip-read-only | |
1399 | (text-property-not-all | |
1400 | (match-beginning 0) (match-end 0) | |
1401 | 'read-only nil)) | |
1402 | ||
1403 | ;; Record whether the match is nonempty, to avoid an infinite loop | |
1404 | ;; repeatedly matching the same empty string. | |
1405 | (setq nonempty-match | |
1406 | (/= (nth 0 real-match-data) (nth 1 real-match-data))) | |
1407 | ||
1408 | ;; If the match is empty, record that the next one can't be | |
1409 | ;; adjacent. | |
1410 | ||
1411 | ;; Otherwise, if matching a regular expression, do the next | |
1412 | ;; match now, since the replacement for this match may | |
1413 | ;; affect whether the next match is adjacent to this one. | |
1414 | ;; If that match is empty, don't use it. | |
1415 | (setq match-again | |
1416 | (and nonempty-match | |
1417 | (or (not regexp-flag) | |
1418 | (and (looking-at search-string) | |
1419 | (let ((match (match-data))) | |
1420 | (and (/= (nth 0 match) (nth 1 match)) | |
1421 | match)))))) | |
1422 | ||
1423 | ;; Calculate the replacement string, if necessary. | |
1424 | (when replacements | |
1425 | (set-match-data real-match-data) | |
1426 | (setq next-replacement | |
1427 | (funcall (car replacements) (cdr replacements) | |
7c1c02ac DK |
1428 | replace-count) |
1429 | noedit nil)) | |
1c4fe319 | 1430 | (if (not query-flag) |
cb05ca25 DK |
1431 | (let ((inhibit-read-only |
1432 | query-replace-skip-read-only)) | |
15fd7d5d | 1433 | (unless (or literal noedit) |
cb05ca25 DK |
1434 | (replace-highlight (nth 0 real-match-data) |
1435 | (nth 1 real-match-data))) | |
7c1c02ac DK |
1436 | (setq noedit |
1437 | (replace-match-maybe-edit | |
1438 | next-replacement nocasify literal | |
1439 | noedit real-match-data) | |
1440 | replace-count (1+ replace-count))) | |
1c4fe319 RS |
1441 | (undo-boundary) |
1442 | (let (done replaced key def) | |
1443 | ;; Loop reading commands until one of them sets done, | |
7c1c02ac DK |
1444 | ;; which means it has finished handling this |
1445 | ;; occurrence. Any command that sets `done' should | |
1446 | ;; leave behind proper match data for the stack. | |
1447 | ;; Commands not setting `done' need to adjust | |
1448 | ;; `real-match-data'. | |
1c4fe319 RS |
1449 | (while (not done) |
1450 | (set-match-data real-match-data) | |
1451 | (replace-highlight (match-beginning 0) (match-end 0)) | |
1452 | ;; Bind message-log-max so we don't fill up the message log | |
1453 | ;; with a bunch of identical messages. | |
1454 | (let ((message-log-max nil)) | |
b938735a JL |
1455 | (message message |
1456 | (query-replace-descr from-string) | |
1457 | (query-replace-descr next-replacement))) | |
1c4fe319 RS |
1458 | (setq key (read-event)) |
1459 | ;; Necessary in case something happens during read-event | |
1460 | ;; that clobbers the match data. | |
1461 | (set-match-data real-match-data) | |
1462 | (setq key (vector key)) | |
1463 | (setq def (lookup-key map key)) | |
1464 | ;; Restore the match data while we process the command. | |
1465 | (cond ((eq def 'help) | |
1466 | (with-output-to-temp-buffer "*Help*" | |
1467 | (princ | |
1468 | (concat "Query replacing " | |
1469 | (if regexp-flag "regexp " "") | |
1470 | from-string " with " | |
1471 | next-replacement ".\n\n" | |
1472 | (substitute-command-keys | |
1473 | query-replace-help))) | |
1474 | (with-current-buffer standard-output | |
1475 | (help-mode)))) | |
1476 | ((eq def 'exit) | |
1477 | (setq keep-going nil) | |
1478 | (setq done t)) | |
1479 | ((eq def 'backup) | |
1480 | (if stack | |
588c915a | 1481 | (let ((elt (pop stack))) |
7c1c02ac DK |
1482 | (goto-char (nth 0 elt)) |
1483 | (setq replaced (nth 1 elt) | |
1484 | real-match-data | |
1485 | (replace-match-data | |
1486 | t real-match-data | |
1487 | (nth 2 elt)))) | |
1c4fe319 RS |
1488 | (message "No previous match") |
1489 | (ding 'no-terminate) | |
1490 | (sit-for 1))) | |
1491 | ((eq def 'act) | |
1492 | (or replaced | |
7c1c02ac DK |
1493 | (setq noedit |
1494 | (replace-match-maybe-edit | |
1495 | next-replacement nocasify literal | |
1496 | noedit real-match-data) | |
1497 | replace-count (1+ replace-count))) | |
1c4fe319 RS |
1498 | (setq done t replaced t)) |
1499 | ((eq def 'act-and-exit) | |
1500 | (or replaced | |
7c1c02ac | 1501 | (setq noedit |
da6eb51c | 1502 | (replace-match-maybe-edit |
7c1c02ac DK |
1503 | next-replacement nocasify literal |
1504 | noedit real-match-data) | |
1505 | replace-count (1+ replace-count))) | |
1c4fe319 RS |
1506 | (setq keep-going nil) |
1507 | (setq done t replaced t)) | |
1508 | ((eq def 'act-and-show) | |
1509 | (if (not replaced) | |
7c1c02ac DK |
1510 | (setq noedit |
1511 | (replace-match-maybe-edit | |
1512 | next-replacement nocasify literal | |
1513 | noedit real-match-data) | |
1514 | replace-count (1+ replace-count) | |
1515 | real-match-data (replace-match-data | |
1516 | t real-match-data) | |
1517 | replaced t))) | |
1c4fe319 RS |
1518 | ((eq def 'automatic) |
1519 | (or replaced | |
7c1c02ac DK |
1520 | (setq noedit |
1521 | (replace-match-maybe-edit | |
1522 | next-replacement nocasify literal | |
1523 | noedit real-match-data) | |
1524 | replace-count (1+ replace-count))) | |
1c4fe319 RS |
1525 | (setq done t query-flag nil replaced t)) |
1526 | ((eq def 'skip) | |
1527 | (setq done t)) | |
1528 | ((eq def 'recenter) | |
1529 | (recenter nil)) | |
1530 | ((eq def 'edit) | |
1531 | (let ((opos (point-marker))) | |
7c1c02ac DK |
1532 | (setq real-match-data (replace-match-data |
1533 | nil real-match-data | |
1534 | real-match-data)) | |
1c4fe319 | 1535 | (goto-char (match-beginning 0)) |
86914dcc RS |
1536 | (save-excursion |
1537 | (save-window-excursion | |
1538 | (recursive-edit))) | |
7c1c02ac DK |
1539 | (goto-char opos) |
1540 | (set-marker opos nil)) | |
1c4fe319 RS |
1541 | ;; Before we make the replacement, |
1542 | ;; decide whether the search string | |
1543 | ;; can match again just after this match. | |
1544 | (if (and regexp-flag nonempty-match) | |
1545 | (setq match-again (and (looking-at search-string) | |
1546 | (match-data))))) | |
1c4fe319 RS |
1547 | ;; Edit replacement. |
1548 | ((eq def 'edit-replacement) | |
7c1c02ac DK |
1549 | (setq real-match-data (replace-match-data |
1550 | nil real-match-data | |
1551 | real-match-data) | |
1552 | next-replacement | |
1c4fe319 | 1553 | (read-input "Edit replacement string: " |
7c1c02ac DK |
1554 | next-replacement) |
1555 | noedit nil) | |
1556 | (if replaced | |
1557 | (set-match-data real-match-data) | |
1558 | (setq noedit | |
1559 | (replace-match-maybe-edit | |
1560 | next-replacement nocasify literal noedit | |
1561 | real-match-data) | |
1562 | replaced t)) | |
1c4fe319 | 1563 | (setq done t)) |
d99118b0 | 1564 | |
1c4fe319 | 1565 | ((eq def 'delete-and-edit) |
7c1c02ac DK |
1566 | (replace-match "" t t) |
1567 | (setq real-match-data (replace-match-data | |
1568 | nil real-match-data)) | |
1569 | (replace-dehighlight) | |
1570 | (save-excursion (recursive-edit)) | |
1c4fe319 RS |
1571 | (setq replaced t)) |
1572 | ;; Note: we do not need to treat `exit-prefix' | |
1573 | ;; specially here, since we reread | |
1574 | ;; any unrecognized character. | |
1575 | (t | |
1576 | (setq this-command 'mode-exited) | |
1577 | (setq keep-going nil) | |
1578 | (setq unread-command-events | |
1579 | (append (listify-key-sequence key) | |
1580 | unread-command-events)) | |
35d59c0f | 1581 | (setq done t))) |
ccec9764 JL |
1582 | (when query-replace-lazy-highlight |
1583 | ;; Restore isearch data for lazy highlighting | |
1584 | ;; in case of isearching during recursive edit | |
35d59c0f | 1585 | (setq isearch-string search-string |
ccec9764 JL |
1586 | isearch-regexp (or delimited-flag regexp-flag) |
1587 | isearch-case-fold-search case-fold-search) | |
1588 | ;; Force lazy rehighlighting only after replacements | |
1589 | (if (not (memq def '(skip backup))) | |
1590 | (setq isearch-lazy-highlight-last-string nil)))) | |
1c4fe319 RS |
1591 | ;; Record previous position for ^ when we move on. |
1592 | ;; Change markers to numbers in the match data | |
1593 | ;; since lots of markers slow down editing. | |
7c1c02ac DK |
1594 | (push (list (point) replaced |
1595 | ;;; If the replacement has already happened, all we need is the | |
1596 | ;;; current match start and end. We could get this with a trivial | |
1597 | ;;; match like | |
1598 | ;;; (save-excursion (goto-char (match-beginning 0)) | |
1599 | ;;; (search-forward (match-string 0)) | |
1600 | ;;; (match-data t)) | |
1601 | ;;; if we really wanted to avoid manually constructing match data. | |
1602 | ;;; Adding current-buffer is necessary so that match-data calls can | |
1603 | ;;; return markers which are appropriate for editing. | |
1604 | (if replaced | |
1605 | (list | |
1606 | (match-beginning 0) | |
1607 | (match-end 0) | |
1608 | (current-buffer)) | |
1609 | (match-data t))) | |
1610 | stack))))) | |
889617de GM |
1611 | |
1612 | ;; The code preventing adjacent regexp matches in the condition | |
1613 | ;; of the while-loop above will haven taken us one character | |
1614 | ;; beyond the last replacement. Undo that. | |
1615 | (when (and regexp-flag (not match-again) (> replace-count 0)) | |
1616 | (backward-char 1)) | |
d99118b0 | 1617 | |
e782e9f2 | 1618 | (replace-dehighlight)) |
4d33492a RS |
1619 | (or unread-command-events |
1620 | (message "Replaced %d occurrence%s" | |
1621 | replace-count | |
1622 | (if (= replace-count 1) "" "s"))) | |
1623 | (and keep-going stack))) | |
698e1804 | 1624 | |
e782e9f2 RS |
1625 | (defvar replace-overlay nil) |
1626 | ||
ccec9764 JL |
1627 | (defun replace-highlight (beg end) |
1628 | (if query-replace-highlight | |
1629 | (if replace-overlay | |
1630 | (move-overlay replace-overlay beg end (current-buffer)) | |
1631 | (setq replace-overlay (make-overlay beg end)) | |
1632 | (overlay-put replace-overlay 'priority 1) ;higher than lazy overlays | |
1633 | (overlay-put replace-overlay 'face 'query-replace))) | |
1634 | (if query-replace-lazy-highlight | |
1635 | (isearch-lazy-highlight-new-loop))) | |
1636 | ||
e782e9f2 | 1637 | (defun replace-dehighlight () |
ccec9764 JL |
1638 | (when replace-overlay |
1639 | (delete-overlay replace-overlay)) | |
1640 | (when query-replace-lazy-highlight | |
f42a241b | 1641 | (isearch-lazy-highlight-cleanup lazy-highlight-cleanup) |
ccec9764 | 1642 | (setq isearch-lazy-highlight-last-string nil))) |
e782e9f2 | 1643 | |
6f1df6d9 | 1644 | ;; arch-tag: 16b4cd61-fd40-497b-b86f-b667c4cf88e4 |
c88ab9ce | 1645 | ;;; replace.el ends here |