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c88ab9ce ER |
1 | ;;; replace.el --- replace commands for Emacs. |
2 | ||
ba343182 | 3 | ;; Copyright (C) 1985, 1986, 1987, 1992 Free Software Foundation, Inc. |
3a801d0c | 4 | |
698e1804 RS |
5 | ;; This file is part of GNU Emacs. |
6 | ||
7 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
8 | ;; it under the terms of the GNU General Public License as published by | |
e5d77022 | 9 | ;; the Free Software Foundation; either version 2, or (at your option) |
698e1804 RS |
10 | ;; any later version. |
11 | ||
12 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
13 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | ;; GNU General Public License for more details. | |
16 | ||
17 | ;; You should have received a copy of the GNU General Public License | |
18 | ;; along with GNU Emacs; see the file COPYING. If not, write to | |
19 | ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. | |
20 | ||
4f4b8eff | 21 | ;;; Code: |
698e1804 | 22 | |
73fa8346 BP |
23 | (defconst case-replace t "\ |
24 | *Non-nil means query-replace should preserve case in replacements.") | |
77176e73 | 25 | |
770970cb RS |
26 | (defvar query-replace-history nil) |
27 | ||
28 | (defun query-replace-read-args (string) | |
29 | (let (from to) | |
30 | (setq from (read-from-minibuffer (format "%s: " string) | |
31 | nil nil nil | |
32 | 'query-replace-history)) | |
33 | (setq to (read-from-minibuffer (format "%s %s with: " string from) | |
34 | nil nil nil | |
35 | 'query-replace-history)) | |
36 | (list from to current-prefix-arg))) | |
37 | ||
da44e784 RM |
38 | (defun query-replace (from-string to-string &optional arg) |
39 | "Replace some occurrences of FROM-STRING with TO-STRING. | |
40 | As each match is found, the user must type a character saying | |
41 | what to do with it. For directions, type \\[help-command] at that time. | |
42 | ||
43 | Preserves case in each replacement if case-replace and case-fold-search | |
44 | are non-nil and FROM-STRING has no uppercase letters. | |
45 | Third arg DELIMITED (prefix arg if interactive) non-nil means replace | |
46 | only matches surrounded by word boundaries." | |
770970cb | 47 | (interactive (query-replace-read-args "Query replace")) |
da44e784 RM |
48 | (perform-replace from-string to-string t nil arg) |
49 | (message "Done")) | |
73fa8346 | 50 | (define-key esc-map "%" 'query-replace) |
da44e784 | 51 | |
da44e784 RM |
52 | (defun query-replace-regexp (regexp to-string &optional arg) |
53 | "Replace some things after point matching REGEXP with TO-STRING. | |
54 | As each match is found, the user must type a character saying | |
55 | what to do with it. For directions, type \\[help-command] at that time. | |
56 | ||
57 | Preserves case in each replacement if case-replace and case-fold-search | |
58 | are non-nil and REGEXP has no uppercase letters. | |
59 | Third arg DELIMITED (prefix arg if interactive) non-nil means replace | |
60 | only matches surrounded by word boundaries. | |
61 | In TO-STRING, \\& means insert what matched REGEXP, | |
62 | and \\=\\<n> means insert what matched <n>th \\(...\\) in REGEXP." | |
770970cb | 63 | (interactive (query-replace-read-args "Query replace regexp")) |
da44e784 RM |
64 | (perform-replace regexp to-string t t arg) |
65 | (message "Done")) | |
66 | ||
da44e784 RM |
67 | (defun map-query-replace-regexp (regexp to-strings &optional arg) |
68 | "Replace some matches for REGEXP with various strings, in rotation. | |
69 | The second argument TO-STRINGS contains the replacement strings, separated | |
70 | by spaces. This command works like `query-replace-regexp' except | |
71 | that each successive replacement uses the next successive replacement string, | |
72 | wrapping around from the last such string to the first. | |
73 | ||
74 | Non-interactively, TO-STRINGS may be a list of replacement strings. | |
75 | ||
76 | A prefix argument N says to use each replacement string N times | |
77 | before rotating to the next." | |
770970cb RS |
78 | (interactive |
79 | (let (from to) | |
80 | (setq from (read-from-minibuffer "Map query replace (regexp): " | |
81 | nil nil nil | |
82 | 'query-replace-history)) | |
83 | (setq to (read-from-minibuffer | |
84 | (format "Query replace %s with (space-separated strings): " | |
85 | from) | |
86 | nil nil nil | |
87 | 'query-replace-history)) | |
88 | (list from to current-prefix-arg))) | |
da44e784 RM |
89 | (let (replacements) |
90 | (if (listp to-strings) | |
91 | (setq replacements to-strings) | |
92 | (while (/= (length to-strings) 0) | |
93 | (if (string-match " " to-strings) | |
94 | (setq replacements | |
95 | (append replacements | |
96 | (list (substring to-strings 0 | |
97 | (string-match " " to-strings)))) | |
98 | to-strings (substring to-strings | |
99 | (1+ (string-match " " to-strings)))) | |
100 | (setq replacements (append replacements (list to-strings)) | |
101 | to-strings "")))) | |
102 | (perform-replace regexp replacements t t nil arg)) | |
103 | (message "Done")) | |
104 | ||
da44e784 RM |
105 | (defun replace-string (from-string to-string &optional delimited) |
106 | "Replace occurrences of FROM-STRING with TO-STRING. | |
107 | Preserve case in each match if `case-replace' and `case-fold-search' | |
108 | are non-nil and FROM-STRING has no uppercase letters. | |
109 | Third arg DELIMITED (prefix arg if interactive) non-nil means replace | |
110 | only matches surrounded by word boundaries. | |
111 | ||
112 | This function is usually the wrong thing to use in a Lisp program. | |
113 | What you probably want is a loop like this: | |
114 | (while (search-forward OLD-STRING nil t) | |
115 | (replace-match REPLACEMENT nil t)) | |
116 | which will run faster and will not set the mark or print anything." | |
770970cb | 117 | (interactive (query-replace-read-args "Replace string")) |
da44e784 RM |
118 | (perform-replace from-string to-string nil nil delimited) |
119 | (message "Done")) | |
120 | ||
da44e784 RM |
121 | (defun replace-regexp (regexp to-string &optional delimited) |
122 | "Replace things after point matching REGEXP with TO-STRING. | |
123 | Preserve case in each match if case-replace and case-fold-search | |
124 | are non-nil and REGEXP has no uppercase letters. | |
125 | Third arg DELIMITED (prefix arg if interactive) non-nil means replace | |
126 | only matches surrounded by word boundaries. | |
127 | In TO-STRING, \\& means insert what matched REGEXP, | |
128 | and \\=\\<n> means insert what matched <n>th \\(...\\) in REGEXP. | |
129 | ||
130 | This function is usually the wrong thing to use in a Lisp program. | |
131 | What you probably want is a loop like this: | |
132 | (while (re-search-forward REGEXP nil t) | |
133 | (replace-match REPLACEMENT nil nil)) | |
134 | which will run faster and will not set the mark or print anything." | |
770970cb | 135 | (interactive (query-replace-read-args "Replace regexp")) |
da44e784 RM |
136 | (perform-replace regexp to-string nil t delimited) |
137 | (message "Done")) | |
138 | ||
698e1804 RS |
139 | (fset 'delete-non-matching-lines 'keep-lines) |
140 | (defun keep-lines (regexp) | |
141 | "Delete all lines except those containing matches for REGEXP. | |
142 | A match split across lines preserves all the lines it lies in. | |
143 | Applies to all lines after point." | |
144 | (interactive "sKeep lines (containing match for regexp): ") | |
145 | (save-excursion | |
146 | (or (bolp) (forward-line 1)) | |
147 | (let ((start (point))) | |
148 | (while (not (eobp)) | |
149 | ;; Start is first char not preserved by previous match. | |
150 | (if (not (re-search-forward regexp nil 'move)) | |
151 | (delete-region start (point-max)) | |
152 | (let ((end (save-excursion (goto-char (match-beginning 0)) | |
153 | (beginning-of-line) | |
154 | (point)))) | |
155 | ;; Now end is first char preserved by the new match. | |
156 | (if (< start end) | |
157 | (delete-region start end)))) | |
158 | (setq start (save-excursion (forward-line 1) | |
159 | (point))) | |
160 | ;; If the match was empty, avoid matching again at same place. | |
161 | (and (not (eobp)) (= (match-beginning 0) (match-end 0)) | |
162 | (forward-char 1)))))) | |
163 | ||
164 | (fset 'delete-matching-lines 'flush-lines) | |
165 | (defun flush-lines (regexp) | |
166 | "Delete lines containing matches for REGEXP. | |
167 | If a match is split across lines, all the lines it lies in are deleted. | |
168 | Applies to lines after point." | |
169 | (interactive "sFlush lines (containing match for regexp): ") | |
170 | (save-excursion | |
171 | (while (and (not (eobp)) | |
172 | (re-search-forward regexp nil t)) | |
173 | (delete-region (save-excursion (goto-char (match-beginning 0)) | |
174 | (beginning-of-line) | |
175 | (point)) | |
176 | (progn (forward-line 1) (point)))))) | |
177 | ||
178 | (fset 'count-matches 'how-many) | |
179 | (defun how-many (regexp) | |
180 | "Print number of matches for REGEXP following point." | |
181 | (interactive "sHow many matches for (regexp): ") | |
182 | (let ((count 0) opoint) | |
183 | (save-excursion | |
184 | (while (and (not (eobp)) | |
185 | (progn (setq opoint (point)) | |
186 | (re-search-forward regexp nil t))) | |
187 | (if (= opoint (point)) | |
188 | (forward-char 1) | |
189 | (setq count (1+ count)))) | |
190 | (message "%d occurrences" count)))) | |
191 | ||
192 | (defvar occur-mode-map ()) | |
193 | (if occur-mode-map | |
194 | () | |
195 | (setq occur-mode-map (make-sparse-keymap)) | |
196 | (define-key occur-mode-map "\C-c\C-c" 'occur-mode-goto-occurrence)) | |
197 | ||
198 | (defvar occur-buffer nil) | |
199 | (defvar occur-nlines nil) | |
200 | (defvar occur-pos-list nil) | |
f1c9e147 | 201 | (defvar occur-last-string "") |
698e1804 RS |
202 | |
203 | (defun occur-mode () | |
204 | "Major mode for output from \\[occur]. | |
205 | Move point to one of the occurrences in this buffer, | |
206 | then use \\[occur-mode-goto-occurrence] to go to the same occurrence | |
207 | in the buffer that the occurrences were found in. | |
208 | \\{occur-mode-map}" | |
209 | (kill-all-local-variables) | |
210 | (use-local-map occur-mode-map) | |
211 | (setq major-mode 'occur-mode) | |
212 | (setq mode-name "Occur") | |
213 | (make-local-variable 'occur-buffer) | |
214 | (make-local-variable 'occur-nlines) | |
215 | (make-local-variable 'occur-pos-list)) | |
216 | ||
217 | (defun occur-mode-goto-occurrence () | |
218 | "Go to the line this occurrence was found in, in the buffer it was found in." | |
219 | (interactive) | |
220 | (if (or (null occur-buffer) | |
221 | (null (buffer-name occur-buffer))) | |
222 | (progn | |
223 | (setq occur-buffer nil | |
224 | occur-pos-list nil) | |
225 | (error "Buffer in which occurrences were found is deleted"))) | |
226 | (let* ((occur-number (save-excursion | |
227 | (beginning-of-line) | |
228 | (/ (1- (count-lines (point-min) | |
229 | (save-excursion | |
230 | (beginning-of-line) | |
231 | (point)))) | |
232 | (cond ((< occur-nlines 0) | |
233 | (- 2 occur-nlines)) | |
234 | ((> occur-nlines 0) | |
235 | (+ 2 (* 2 occur-nlines))) | |
236 | (t 1))))) | |
237 | (pos (nth occur-number occur-pos-list))) | |
238 | (pop-to-buffer occur-buffer) | |
239 | (goto-char (marker-position pos)))) | |
240 | ||
241 | (defvar list-matching-lines-default-context-lines 0 | |
da44e784 | 242 | "*Default number of context lines to include around a `list-matching-lines' |
698e1804 RS |
243 | match. A negative number means to include that many lines before the match. |
244 | A positive number means to include that many lines both before and after.") | |
245 | ||
246 | (defvar occur-whole-buffer nil | |
247 | "If t, occur operates on whole buffer, otherwise occur starts from point. | |
248 | default is nil.") | |
249 | ||
250 | (fset 'list-matching-lines 'occur) | |
251 | ||
252 | (defun occur (regexp &optional nlines) | |
f1c9e147 | 253 | "Show lines containing a match for REGEXP. If the global variable |
da44e784 | 254 | `occur-whole-buffer' is non-nil, the entire buffer is searched, otherwise |
f1c9e147 | 255 | search begins at point. Interactively, REGEXP defaults to the last REGEXP |
da44e784 RM |
256 | used interactively with \\[occur]. |
257 | ||
258 | If a match spreads across multiple lines, all those lines are shown. | |
698e1804 | 259 | |
da44e784 RM |
260 | Each line is displayed with NLINES lines before and after, or -NLINES |
261 | before if NLINES is negative. | |
262 | NLINES defaults to `list-matching-lines-default-context-lines'. | |
698e1804 RS |
263 | Interactively it is the prefix arg. |
264 | ||
265 | The lines are shown in a buffer named *Occur*. | |
266 | It serves as a menu to find any of the occurrences in this buffer. | |
267 | \\[describe-mode] in that buffer will explain how." | |
f1c9e147 | 268 | (interactive (list (setq occur-last-string |
269 | (read-string "List lines matching regexp: " | |
270 | occur-last-string)) | |
271 | current-prefix-arg)) | |
698e1804 RS |
272 | (setq nlines (if nlines (prefix-numeric-value nlines) |
273 | list-matching-lines-default-context-lines)) | |
274 | (let ((first t) | |
275 | (buffer (current-buffer)) | |
276 | (linenum 1) | |
79c2e52b JB |
277 | (prevpos (point-min)) |
278 | (final-context-start (make-marker))) | |
698e1804 RS |
279 | (if (not occur-whole-buffer) |
280 | (save-excursion | |
281 | (beginning-of-line) | |
282 | (setq linenum (1+ (count-lines (point-min) (point)))) | |
283 | (setq prevpos (point)))) | |
284 | (with-output-to-temp-buffer "*Occur*" | |
285 | (save-excursion | |
286 | (set-buffer standard-output) | |
287 | (insert "Lines matching ") | |
288 | (prin1 regexp) | |
289 | (insert " in buffer " (buffer-name buffer) ?. ?\n) | |
290 | (occur-mode) | |
291 | (setq occur-buffer buffer) | |
292 | (setq occur-nlines nlines) | |
293 | (setq occur-pos-list ())) | |
294 | (if (eq buffer standard-output) | |
295 | (goto-char (point-max))) | |
296 | (save-excursion | |
297 | (if occur-whole-buffer | |
298 | (beginning-of-buffer)) | |
299 | ;; Find next match, but give up if prev match was at end of buffer. | |
300 | (while (and (not (= prevpos (point-max))) | |
301 | (re-search-forward regexp nil t)) | |
da44e784 | 302 | (goto-char (match-beginning 0)) |
698e1804 RS |
303 | (beginning-of-line) |
304 | (setq linenum (+ linenum (count-lines prevpos (point)))) | |
305 | (setq prevpos (point)) | |
da44e784 | 306 | (goto-char (match-end 0)) |
698e1804 | 307 | (let* ((start (save-excursion |
da44e784 | 308 | (goto-char (match-beginning 0)) |
698e1804 RS |
309 | (forward-line (if (< nlines 0) nlines (- nlines))) |
310 | (point))) | |
311 | (end (save-excursion | |
da44e784 | 312 | (goto-char (match-end 0)) |
698e1804 RS |
313 | (if (> nlines 0) |
314 | (forward-line (1+ nlines)) | |
315 | (forward-line 1)) | |
316 | (point))) | |
317 | (tag (format "%3d" linenum)) | |
318 | (empty (make-string (length tag) ?\ )) | |
319 | tem) | |
320 | (save-excursion | |
79c2e52b JB |
321 | (setq tem (make-marker)) |
322 | (set-marker tem (point)) | |
698e1804 RS |
323 | (set-buffer standard-output) |
324 | (setq occur-pos-list (cons tem occur-pos-list)) | |
325 | (or first (zerop nlines) | |
326 | (insert "--------\n")) | |
327 | (setq first nil) | |
328 | (insert-buffer-substring buffer start end) | |
329 | (backward-char (- end start)) | |
da44e784 | 330 | (setq tem nlines) |
698e1804 RS |
331 | (while (> tem 0) |
332 | (insert empty ?:) | |
333 | (forward-line 1) | |
334 | (setq tem (1- tem))) | |
79c2e52b | 335 | (let ((this-linenum linenum)) |
da44e784 RM |
336 | (set-marker final-context-start |
337 | (+ (point) (- (match-end 0) (match-beginning 0)))) | |
338 | (while (< (point) final-context-start) | |
339 | (if (null tag) | |
340 | (setq tag (format "%3d" this-linenum))) | |
341 | (insert tag ?:) | |
342 | (setq tag nil) | |
343 | (forward-line 1) | |
344 | (setq this-linenum (1+ this-linenum)))) | |
698e1804 RS |
345 | (while (< tem nlines) |
346 | (insert empty ?:) | |
347 | (forward-line 1) | |
348 | (setq tem (1+ tem)))) | |
349 | (forward-line 1))) | |
350 | (set-buffer standard-output) | |
351 | ;; Put positions in increasing order to go with buffer. | |
352 | (setq occur-pos-list (nreverse occur-pos-list)) | |
353 | (if (interactive-p) | |
354 | (message "%d matching lines." (length occur-pos-list))))))) | |
355 | \f | |
356 | (defconst query-replace-help | |
357 | "Type Space or `y' to replace one match, Delete or `n' to skip to next, | |
358 | ESC or `q' to exit, Period to replace one match and exit, | |
359 | Comma to replace but not move point immediately, | |
360 | C-r to enter recursive edit (\\[exit-recursive-edit] to get out again), | |
361 | C-w to delete match and recursive edit, | |
362 | C-l to clear the screen, redisplay, and offer same replacement again, | |
363 | ! to replace all remaining matches with no more questions, | |
364 | ^ to move point back to previous match." | |
365 | "Help message while in query-replace") | |
366 | ||
367 | (defun perform-replace (from-string replacements | |
368 | query-flag regexp-flag delimited-flag | |
369 | &optional repeat-count) | |
370 | "Subroutine of `query-replace'. Its complexity handles interactive queries. | |
371 | Don't use this in your own program unless you want to query and set the mark | |
372 | just as `query-replace' does. Instead, write a simple loop like this: | |
373 | (while (re-search-forward \"foo[ \t]+bar\" nil t) | |
374 | (replace-match \"foobar\" nil nil)) | |
375 | which will run faster and do exactly what you probably want." | |
376 | (let ((nocasify (not (and case-fold-search case-replace | |
377 | (string-equal from-string | |
378 | (downcase from-string))))) | |
379 | (literal (not regexp-flag)) | |
380 | (search-function (if regexp-flag 're-search-forward 'search-forward)) | |
381 | (search-string from-string) | |
e5d77022 | 382 | (real-match-data nil) ; the match data for the current match |
698e1804 RS |
383 | (next-replacement nil) |
384 | (replacement-index 0) | |
385 | (keep-going t) | |
386 | (stack nil) | |
387 | (next-rotate-count 0) | |
388 | (replace-count 0) | |
da44e784 | 389 | (lastrepl nil) ;Position after last match considered. |
ba343182 | 390 | (match-again t)) |
698e1804 RS |
391 | (if (stringp replacements) |
392 | (setq next-replacement replacements) | |
393 | (or repeat-count (setq repeat-count 1))) | |
394 | (if delimited-flag | |
395 | (setq search-function 're-search-forward | |
396 | search-string (concat "\\b" | |
397 | (if regexp-flag from-string | |
398 | (regexp-quote from-string)) | |
399 | "\\b"))) | |
400 | (push-mark) | |
401 | (undo-boundary) | |
402 | (while (and keep-going | |
403 | (not (eobp)) | |
404 | (funcall search-function search-string nil t) | |
da44e784 RM |
405 | ;; If the search string matches immediately after |
406 | ;; the previous match, but it did not match there | |
407 | ;; before the replacement was done, ignore the match. | |
408 | (if (or (eq lastrepl (point)) | |
409 | (and regexp-flag | |
410 | (eq lastrepl (match-beginning 0)) | |
411 | (not match-again))) | |
412 | (if (eobp) | |
413 | nil | |
698e1804 RS |
414 | ;; Don't replace the null string |
415 | ;; right after end of previous replacement. | |
416 | (forward-char 1) | |
417 | (funcall search-function search-string nil t)) | |
418 | t)) | |
e5d77022 JB |
419 | |
420 | ;; Save the data associated with the real match. | |
421 | (setq real-match-data (match-data)) | |
422 | ||
da44e784 RM |
423 | ;; Before we make the replacement, decide whether the search string |
424 | ;; can match again just after this match. | |
425 | (if regexp-flag | |
426 | (setq match-again (looking-at search-string))) | |
698e1804 RS |
427 | ;; If time for a change, advance to next replacement string. |
428 | (if (and (listp replacements) | |
429 | (= next-rotate-count replace-count)) | |
430 | (progn | |
431 | (setq next-rotate-count | |
432 | (+ next-rotate-count repeat-count)) | |
433 | (setq next-replacement (nth replacement-index replacements)) | |
434 | (setq replacement-index (% (1+ replacement-index) (length replacements))))) | |
435 | (if (not query-flag) | |
436 | (progn | |
e5d77022 | 437 | (store-match-data real-match-data) |
698e1804 RS |
438 | (replace-match next-replacement nocasify literal) |
439 | (setq replace-count (1+ replace-count))) | |
440 | (undo-boundary) | |
85b5fe07 | 441 | (let (done replaced char) |
698e1804 | 442 | (while (not done) |
e5d77022 | 443 | (let ((help-form |
698e1804 RS |
444 | '(concat "Query replacing " |
445 | (if regexp-flag "regexp " "") | |
446 | from-string " with " next-replacement ".\n\n" | |
447 | (substitute-command-keys query-replace-help)))) | |
448 | (setq char help-char) | |
449 | (while (or (not (numberp char)) (= char help-char)) | |
450 | (message "Query replacing %s with %s: " from-string next-replacement) | |
451 | (setq char (read-event)) | |
452 | (if (and (numberp char) (= char ??)) | |
e5d77022 JB |
453 | (setq unread-command-char help-char char help-char)))) |
454 | ;; Restore the match data while we process the command. | |
455 | (store-match-data real-match-data) | |
698e1804 RS |
456 | (cond ((or (= char ?\e) |
457 | (= char ?q)) | |
458 | (setq keep-going nil) | |
459 | (setq done t)) | |
460 | ((= char ?^) | |
461 | (let ((elt (car stack))) | |
462 | (goto-char (car elt)) | |
463 | (setq replaced (eq t (cdr elt))) | |
464 | (or replaced | |
465 | (store-match-data (cdr elt))) | |
466 | (setq stack (cdr stack)))) | |
467 | ((or (= char ?\ ) | |
468 | (= char ?y)) | |
469 | (or replaced | |
470 | (replace-match next-replacement nocasify literal)) | |
471 | (setq done t replaced t)) | |
472 | ((= char ?\.) | |
473 | (or replaced | |
474 | (replace-match next-replacement nocasify literal)) | |
475 | (setq keep-going nil) | |
476 | (setq done t replaced t)) | |
477 | ((= char ?\,) | |
478 | (if (not replaced) | |
479 | (progn | |
480 | (replace-match next-replacement nocasify literal) | |
481 | (setq replaced t)))) | |
482 | ((= char ?!) | |
483 | (or replaced | |
484 | (replace-match next-replacement nocasify literal)) | |
485 | (setq done t query-flag nil replaced t)) | |
486 | ((or (= char ?\177) | |
487 | (= char ?n)) | |
488 | (setq done t)) | |
489 | ((= char ?\C-l) | |
490 | (recenter nil)) | |
491 | ((= char ?\C-r) | |
492 | (store-match-data | |
493 | (prog1 (match-data) | |
da44e784 RM |
494 | (save-excursion (recursive-edit)))) |
495 | ;; Before we make the replacement, | |
496 | ;; decide whether the search string | |
497 | ;; can match again just after this match. | |
498 | (if regexp-flag | |
499 | (setq match-again (looking-at search-string)))) | |
698e1804 RS |
500 | ((= char ?\C-w) |
501 | (delete-region (match-beginning 0) (match-end 0)) | |
502 | (store-match-data | |
503 | (prog1 (match-data) | |
504 | (save-excursion (recursive-edit)))) | |
505 | (setq replaced t)) | |
506 | (t | |
507 | (setq keep-going nil) | |
508 | (setq unread-command-char char) | |
509 | (setq done t)))) | |
510 | ;; Record previous position for ^ when we move on. | |
511 | ;; Change markers to numbers in the match data | |
512 | ;; since lots of markers slow down editing. | |
513 | (setq stack | |
514 | (cons (cons (point) | |
515 | (or replaced | |
516 | (mapcar | |
517 | (function (lambda (elt) | |
518 | (and elt | |
519 | (marker-position elt)))) | |
520 | (match-data)))) | |
521 | stack)) | |
522 | (if replaced (setq replace-count (1+ replace-count))))) | |
523 | (setq lastrepl (point))) | |
524 | (and keep-going stack))) | |
698e1804 | 525 | |
c88ab9ce | 526 | ;;; replace.el ends here |