| blob | cebb10d513356c7af9ed171f094f77d8d34f5617 |
1 ;;; replace.el --- replace commands for Emacs
3 ;; Copyright (C) 1985-1987, 1992, 1994, 1996-1997, 2000-2014 Free
4 ;; Software Foundation, Inc.
6 ;; Maintainer: emacs-devel@gnu.org
7 ;; Package: emacs
9 ;; This file is part of GNU Emacs.
11 ;; GNU Emacs is free software: you can redistribute it and/or modify
12 ;; it under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation, either version 3 of the License, or
14 ;; (at your option) any later version.
16 ;; GNU Emacs is distributed in the hope that it will be useful,
17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ;; GNU General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
24 ;;; Commentary:
26 ;; This package supplies the string and regular-expression replace functions
27 ;; documented in the Emacs user's manual.
29 ;;; Code:
32 "Non-nil means `query-replace' should preserve case in replacements."
37 "Non-nil means `query-replace' matches a sequence of whitespace chars.
38 When you enter a space or spaces in the strings to be replaced,
39 it will match any sequence matched by the regexp `search-whitespace-regexp'."
45 "Non-nil means `query-replace-regexp' matches a sequence of whitespace chars.
46 When you enter a space or spaces in the regexps to be replaced,
47 it will match any sequence matched by the regexp `search-whitespace-regexp'."
53 "Default history list for query-replace commands.
54 See `query-replace-from-history-variable' and
58 "Default values of FROM-STRING and TO-STRING for `query-replace'.
59 This is a cons cell (FROM-STRING . TO-STRING), or nil if there is
63 "Non-nil means `query-replace' uses the last search string.
66 "use `M-n' to pull the last incremental search string
67 to the minibuffer that reads the string to replace, or invoke replacements
71 "History list to use for the FROM argument of `query-replace' commands.
72 The value of this variable should be a symbol; that symbol
73 is used as a variable to hold a history list for the strings
74 or patterns to be replaced."
80 "History list to use for the TO argument of `query-replace' commands.
81 The value of this variable should be a symbol; that symbol
82 is used as a variable to hold a history list for replacement
83 strings or patterns."
89 "Non-nil means `query-replace' and friends ignore read-only matches."
95 "Non-nil means to show what actual replacement text will be."
101 "Non-nil means to highlight matches during query replacement."
106 "Controls the lazy-highlighting during query replacements.
107 When non-nil, all text in the buffer matching the current match
108 is highlighted lazily using isearch lazy highlighting (see
109 `lazy-highlight-initial-delay' and `lazy-highlight-interval')."
117 "Face for highlighting query replacement matches."
122 "Number of replacements done so far.
129 "Query and return the `from' argument of a query-replace operation.
130 The return value can also be a pair (FROM . TO) indicating that the user
131 wants to replace FROM with TO."
142 ;; The save-excursion here is in case the user marks and copies
143 ;; a region in order to specify the minibuffer input.
144 ;; That should not clobber the region for the query-replace itself.
149 prompt nil nil nil query-replace-from-history-variable
156 ;; Warn if user types \n or \t, but don't reject the input.
166 from))))
169 "Maybe convert a regexp replacement TO to Lisp.
170 Returns a list suitable for `perform-replace' if necessary,
171 the original string if not."
187 ;; Swallow a space after a symbol
188 ;; if there is a space.
190 ;; Swallow a space after 'foo
191 ;; but not after (quote foo).
206 to))
210 "Query and return the `to' argument of a query-replace operation."
216 nil nil nil
217 query-replace-to-history-variable from t)))
220 to))
221 regexp-flag))
234 "Replace some occurrences of FROM-STRING with TO-STRING.
235 As each match is found, the user must type a character saying
238 In Transient Mark mode, if the mark is active, operate on the contents
239 of the region. Otherwise, operate from point to the end of the buffer.
242 to pull the last incremental search string to the minibuffer
243 that reads FROM-STRING, or invoke replacements from
244 incremental search with a key sequence like `C-s C-s M-%'
245 to use its current search string as the string to replace.
247 Matching is independent of case if `case-fold-search' is non-nil and
248 FROM-STRING has no uppercase letters. Replacement transfers the case
249 pattern of the old text to the new text, if `case-replace' and
250 `case-fold-search' are non-nil and FROM-STRING has no uppercase
251 letters. (Transferring the case pattern means that if the old text
252 matched is all caps, or capitalized, then its replacement is upcased
253 or capitalized.)
255 Ignore read-only matches if `query-replace-skip-read-only' is non-nil,
256 ignore hidden matches if `search-invisible' is nil, and ignore more
257 matches using `isearch-filter-predicate'.
259 If `replace-lax-whitespace' is non-nil, a space or spaces in the string
260 to be replaced will match a sequence of whitespace chars defined by the
261 regexp in `search-whitespace-regexp'.
263 Third arg DELIMITED (prefix arg if interactive), if non-nil, means replace
264 only matches surrounded by word boundaries. A negative prefix arg means
265 replace backward.
267 Fourth and fifth arg START and END specify the region to operate on.
278 nil)))
280 ;; These are done separately here
281 ;; so that command-history will record these expressions
282 ;; rather than the values they had this time.
293 "Replace some things after point matching REGEXP with TO-STRING.
294 As each match is found, the user must type a character saying
297 In Transient Mark mode, if the mark is active, operate on the contents
298 of the region. Otherwise, operate from point to the end of the buffer.
301 to pull the last incremental search regexp to the minibuffer
302 that reads REGEXP, or invoke replacements from
303 incremental search with a key sequence like `C-M-s C-M-s C-M-%'
304 to use its current search regexp as the regexp to replace.
306 Matching is independent of case if `case-fold-search' is non-nil and
307 REGEXP has no uppercase letters. Replacement transfers the case
308 pattern of the old text to the new text, if `case-replace' and
309 `case-fold-search' are non-nil and REGEXP has no uppercase letters.
310 \(Transferring the case pattern means that if the old text matched is
311 all caps, or capitalized, then its replacement is upcased or
312 capitalized.)
314 Ignore read-only matches if `query-replace-skip-read-only' is non-nil,
315 ignore hidden matches if `search-invisible' is nil, and ignore more
316 matches using `isearch-filter-predicate'.
318 If `replace-regexp-lax-whitespace' is non-nil, a space or spaces in the regexp
319 to be replaced will match a sequence of whitespace chars defined by the
320 regexp in `search-whitespace-regexp'.
322 Third arg DELIMITED (prefix arg if interactive), if non-nil, means replace
323 only matches surrounded by word boundaries. A negative prefix arg means
324 replace backward.
326 Fourth and fifth arg START and END specify the region to operate on.
332 at the given position for each replacement.
335 followed by a Lisp expression. Each
336 replacement evaluates that expression to compute the replacement
339 for the whole or a partial match converted to a number with
341 done so far (starting with zero).
343 If the replacement expression is a symbol, write a space after it
344 to terminate it. One space there, if any, will be discarded.
346 When using those Lisp features interactively in the replacement
347 text, TO-STRING is actually made a list instead of a string.
356 " regexp"
358 t)))
360 ;; These are done separately here
361 ;; so that command-history will record these expressions
362 ;; rather than the values they had this time.
373 "Replace some things after point matching REGEXP with the result of TO-EXPR.
375 Interactive use of this function is deprecated in favor of the
377 using `search-forward-regexp' and `replace-match' is preferred.
379 As each match is found, the user must type a character saying
382 TO-EXPR is a Lisp expression evaluated to compute each replacement. It may
383 reference `replace-count' to get the number of replacements already made.
384 If the result of TO-EXPR is not a string, it is converted to one using
385 `prin1-to-string' with the NOESCAPE argument (which see).
393 In Transient Mark mode, if the mark is active, operate on the contents
394 of the region. Otherwise, operate from point to the end of the buffer.
397 to pull the last incremental search regexp to the minibuffer
398 that reads REGEXP.
400 Preserves case in each replacement if `case-replace' and `case-fold-search'
401 are non-nil and REGEXP has no uppercase letters.
403 Ignore read-only matches if `query-replace-skip-read-only' is non-nil,
404 ignore hidden matches if `search-invisible' is nil, and ignore more
405 matches using `isearch-filter-predicate'.
407 If `replace-regexp-lax-whitespace' is non-nil, a space or spaces in the regexp
408 to be replaced will match a sequence of whitespace chars defined by the
409 regexp in `search-whitespace-regexp'.
411 Third arg DELIMITED (prefix arg if interactive), if non-nil, means replace
412 only matches that are surrounded by word boundaries.
413 Fourth and fifth arg START and END specify the region to operate on."
415 for interactive calls, and `search-forward-regexp'/`replace-match'
421 ;; Let-bind the history var to disable the "foo -> bar"
422 ;; default. Maybe we shouldn't disable this default, but
423 ;; for now I'll leave it off. --Stef
429 nil nil t query-replace-to-history-variable from t))))
430 ;; We make TO a list because replace-match-string-symbols requires one,
431 ;; and the user might enter a single token.
442 "Replace some matches for REGEXP with various strings, in rotation.
443 The second argument TO-STRINGS contains the replacement strings, separated
444 by spaces. This command works like `query-replace-regexp' except that
445 each successive replacement uses the next successive replacement string,
446 wrapping around from the last such string to the first.
448 In Transient Mark mode, if the mark is active, operate on the contents
449 of the region. Otherwise, operate from point to the end of the buffer.
451 Non-interactively, TO-STRINGS may be a list of replacement strings.
454 to pull the last incremental search regexp to the minibuffer
455 that reads REGEXP.
457 A prefix argument N says to use each replacement string N times
458 before rotating to the next.
459 Fourth and fifth arg START and END specify the region to operate on."
462 query-replace-from-history-variable))
466 nil nil nil
467 query-replace-to-history-variable from t)))
491 "Replace occurrences of FROM-STRING with TO-STRING.
492 Preserve case in each match if `case-replace' and `case-fold-search'
493 are non-nil and FROM-STRING has no uppercase letters.
494 \(Preserving case means that if the string matched is all caps, or capitalized,
495 then its replacement is upcased or capitalized.)
497 Ignore read-only matches if `query-replace-skip-read-only' is non-nil,
498 ignore hidden matches if `search-invisible' is nil, and ignore more
499 matches using `isearch-filter-predicate'.
501 If `replace-lax-whitespace' is non-nil, a space or spaces in the string
502 to be replaced will match a sequence of whitespace chars defined by the
503 regexp in `search-whitespace-regexp'.
505 Third arg DELIMITED (prefix arg if interactive), if non-nil, means replace
506 only matches surrounded by word boundaries. A negative prefix arg means
507 replace backward.
509 Operates on the region between START and END (if both are nil, from point
510 to the end of the buffer). Interactively, if Transient Mark mode is
511 enabled and the mark is active, operates on the contents of the region;
512 otherwise from point to the end of the buffer.
515 to pull the last incremental search string to the minibuffer
516 that reads FROM-STRING.
518 This function is usually the wrong thing to use in a Lisp program.
519 What you probably want is a loop like this:
520 (while (search-forward FROM-STRING nil t)
521 (replace-match TO-STRING nil t))
522 which will run faster and will not set the mark or print anything.
523 \(You may need a more complex loop if FROM-STRING can match the null string
524 and TO-STRING is also null.)"
532 " string"
534 nil)))
546 "Replace things after point matching REGEXP with TO-STRING.
547 Preserve case in each match if `case-replace' and `case-fold-search'
548 are non-nil and REGEXP has no uppercase letters.
550 Ignore read-only matches if `query-replace-skip-read-only' is non-nil,
551 ignore hidden matches if `search-invisible' is nil, and ignore more
552 matches using `isearch-filter-predicate'.
554 If `replace-regexp-lax-whitespace' is non-nil, a space or spaces in the regexp
555 to be replaced will match a sequence of whitespace chars defined by the
556 regexp in `search-whitespace-regexp'.
558 In Transient Mark mode, if the mark is active, operate on the contents
559 of the region. Otherwise, operate from point to the end of the buffer.
561 Third arg DELIMITED (prefix arg if interactive), if non-nil, means replace
562 only matches surrounded by word boundaries. A negative prefix arg means
563 replace backward.
565 Fourth and fifth arg START and END specify the region to operate on.
571 at the given position for each replacement.
574 followed by a Lisp expression used as part of the replacement
578 `replace-count', the number of replacements occurred so far.
580 If your Lisp expression is an identifier and the next letter in
581 the replacement string would be interpreted as part of it, you
584 replacement text directly.
586 When using those Lisp features interactively in the replacement
587 text, TO-STRING is actually made a list instead of a string.
591 to pull the last incremental search regexp to the minibuffer
592 that reads REGEXP.
594 This function is usually the wrong thing to use in a Lisp program.
595 What you probably want is a loop like this:
596 (while (re-search-forward REGEXP nil t)
597 (replace-match TO-STRING nil nil))
598 which will run faster and will not set the mark or print anything."
606 " regexp"
608 t)))
619 \f
621 "History list for some commands that read regular expressions.
623 Maximum length of the history list is determined by the value
630 "Function that provides default regexp(s) for regexp reading commands.
631 This function should take no arguments and return one of nil, a
632 regexp or a list of regexps. The return value of this function is used
633 as DEFAULTS param of `read-regexp'. This function is called only during
634 interactive use.
636 If you need different defaults for different commands,
637 use `this-command' to identify the command under execution.
639 You can customize `read-regexp-defaults-function' to the value
640 `find-tag-default-as-regexp' to highlight a symbol at point."
645 find-tag-default)
647 find-tag-default-as-regexp)
649 find-tag-default-as-symbol-regexp)
655 "Return a list of standard suggestions for `read-regexp'.
656 By default, the list includes the tag at point, the last isearch regexp,
657 the last isearch string, and the last replacement regexp. `read-regexp'
658 appends the list returned by this function to the end of values available
668 "Read and return a regular expression as a string.
670 If the first element of DEFAULTS is non-nil, it's added to the prompt.
672 Optional arg DEFAULTS has the form (DEFAULT . SUGGESTIONS)
673 or simply DEFAULT where DEFAULT, if non-nil, should be a string that
674 is returned as the default value when the user enters empty input.
675 SUGGESTIONS is a list of strings that can be inserted into
677 The values supplied in SUGGESTIONS
678 are prepended to the list of standard suggestions returned by
679 `read-regexp-suggestions'. The default values can be customized
680 by `read-regexp-defaults-function'.
682 Optional arg HISTORY is a symbol to use for the history list.
683 If HISTORY is nil, `regexp-history' is used."
692 defaults))
697 ;; Do not automatically add default to the history for empty input.
701 prompt)
709 ;; Return the default value when the user enters empty input.
713 ;; Otherwise, add non-empty input to the history and return input.
724 "Read arguments for `keep-lines' and friends.
725 Prompt for a regexp with PROMPT.
726 Value is a list, (REGEXP)."
730 "Delete all lines except those containing matches for REGEXP.
731 A match split across lines preserves all the lines it lies in.
732 When called from Lisp (and usually interactively as well, see below)
733 applies to all lines starting after point.
736 and `search-upper-case' is non-nil, the matching is case-sensitive.
738 Second and third arg RSTART and REND specify the region to operate on.
739 This command operates on (the accessible part of) all lines whose
740 accessible part is entirely contained in the region determined by RSTART
741 and REND. (A newline ending a line counts as part of that line.)
743 Interactively, in Transient Mark mode when the mark is active, operate
744 on all lines whose accessible part is entirely contained in the region.
745 Otherwise, the command applies to all lines starting after point.
746 When calling this function from Lisp, you can pretend that it was
747 called interactively by passing a non-nil INTERACTIVE argument.
749 This function starts looking for the next match from the end of
750 the previous match. Hence, it ignores matches that overlap
751 a previously found match."
783 case-fold-search)))
785 ;; Start is first char not preserved by previous match.
791 ;; Now end is first char preserved by the new match.
796 ;; If the match was empty, avoid matching again at same place.
801 nil)
805 "Delete lines containing matches for REGEXP.
806 When called from Lisp (and usually when called interactively as
807 well, see below), applies to the part of the buffer after point.
808 The line point is in is deleted if and only if it contains a
809 match for regexp starting after point.
812 and `search-upper-case' is non-nil, the matching is case-sensitive.
814 Second and third arg RSTART and REND specify the region to operate on.
815 Lines partially contained in this region are deleted if and only if
816 they contain a match entirely contained in it.
818 Interactively, in Transient Mark mode when the mark is active, operate
819 on the contents of the region. Otherwise, operate from point to the
820 end of (the accessible portion of) the buffer. When calling this function
821 from Lisp, you can pretend that it was called interactively by passing
822 a non-nil INTERACTIVE argument.
824 If a match is split across lines, all the lines it lies in are deleted.
825 They are deleted _before_ looking for the next match. Hence, a match
826 starting on the same line at which another match ended is ignored."
845 case-fold-search)))
854 nil)
858 "Print and return number of matches for REGEXP following point.
859 When called from Lisp and INTERACTIVE is omitted or nil, just return
860 the number, do not print it; if INTERACTIVE is t, the function behaves
861 in all respects as if it had been called interactively.
864 and `search-upper-case' is non-nil, the matching is case-sensitive.
866 Second and third arg RSTART and REND specify the region to operate on.
868 Interactively, in Transient Mark mode when the mark is active, operate
869 on the contents of the region. Otherwise, operate from point to the
870 end of (the accessible portion of) the buffer.
872 This function starts looking for the next match from the end of
873 the previous match. Hence, it ignores matches that overlap
874 a previously found match."
893 opoint
897 case-fold-search)))
905 count
907 count)))
909 \f
914 next-error-follow-minor-mode
917 next-error-follow-minor-mode))))
953 map)
958 ;; We use this alternative name, so we can use \\[occur-mode-mouse-goto].
971 map)
975 "Arguments to pass to `occur-1' to revert an Occur mode buffer.
981 "Hook run when entering Occur mode."
986 "Hook run by Occur when there are any matches."
991 "Hook run by Occur after locating an occurrence.
992 This will be called with the cursor position at the occurrence. An application
993 for this is to reveal context in an outline-mode when the occurrence is hidden."
1008 \f
1009 ;;; Occur Edit mode
1019 map)
1023 "Major mode for editing *Occur* buffers.
1024 In this mode, changes to the *Occur* buffer are also applied to
1025 the originating buffer.
1034 "Switch from Occur Edit mode to Occur mode."
1046 col)
1050 ;; Apply occur-target property to inserted (e.g. yanked) text.
1052 ;; Did we insert a newline? Occur Edit mode can't create new
1053 ;; Occur entries; just discard everything after the newline.
1067 line-beg 'occur-prefix nil
1068 line-end))
1080 \f
1082 "Handle `revert-buffer' for Occur mode buffers."
1091 pos))
1095 "Go to the occurrence on the current line."
1099 ;; Actually `event-end' works correctly with a nil argument as
1100 ;; well, so we could dispense with this test, but let's not
1101 ;; rely on this undocumented behavior.
1112 "Go to the occurrence the current line describes, in another window."
1120 "Display in another window the occurrence the current line describes."
1123 window)
1125 ;; This is the way to set point in the proper window.
1145 "Move to the Nth (default 1) next match in an Occur mode buffer."
1150 "Move to the Nth (default 1) previous match in an Occur mode buffer."
1155 "Move to the Nth (default 1) next match in an Occur mode buffer.
1158 ;; we need to run occur-find-match from within the Occur buffer
1160 ;; Choose the buffer and make it current.
1174 #'previous-single-property-change
1177 ;; In case the *Occur* buffer is visible in a nonselected window.
1181 \f
1194 "Face used to highlight matches permanently."
1199 "Default number of context lines included around `list-matching-lines' matches.
1200 A negative number means to include that many lines before the match.
1201 A positive number means to include that many lines both before and after."
1209 If the value is nil, don't highlight the matching portions specially."
1215 If the value is nil, don't highlight the buffer names specially."
1221 If the face doesn't differ from the default face,
1222 don't highlight the prefix with line numbers specially."
1229 yank-handler follow-link)
1230 "Text properties to discard when copying lines to the *Occur* buffer.
1231 The value should be a list of text properties to discard or t,
1232 which means to discard all text properties."
1240 "Collect strings matching regexp"
1245 ;; Perform collect operation
1247 ;; No subexpression so collect the entire match.
1249 ;; Get the regexp for collection pattern.
1254 ;; Otherwise normal occur takes numerical prefix argument.
1259 "Rename the current *Occur* buffer to *Occur: original-buffer-name*.
1260 Here `original-buffer-name' is the buffer name where Occur was originally run.
1261 When given the prefix argument, or called non-interactively, the renaming
1262 will not clobber the existing buffer(s) of that name, but use
1263 `generate-new-buffer-name' instead. You can add this to `occur-hook'
1264 if you always want a separate *Occur* buffer for each buffer where you
1265 invoke `occur'."
1276 "Show all lines in the current buffer containing a match for REGEXP.
1277 If a match spreads across multiple lines, all those lines are shown.
1279 Each line is displayed with NLINES lines before and after, or -NLINES
1280 before if NLINES is negative.
1281 NLINES defaults to `list-matching-lines-default-context-lines'.
1282 Interactively it is the prefix arg.
1284 The lines are shown in a buffer named `*Occur*'.
1285 It serves as a menu to find any of the occurrences in this buffer.
1289 and `search-upper-case' is non-nil, the matching is case-sensitive.
1291 When NLINES is a string or when the function is called
1292 interactively with prefix argument without a number (`C-u' alone
1293 as prefix) the matching strings are collected into the `*Occur*'
1294 buffer by using NLINES as a replacement regexp. NLINES may
1298 program. When there is no parenthesized subexpressions in REGEXP
1299 the entire match is collected. In any case the searched buffer
1300 is not modified."
1307 "Show all lines in buffers BUFS containing a match for REGEXP.
1308 This function acts on multiple buffers; otherwise, it is exactly like
1309 `occur'. When you invoke this command interactively, you must specify
1310 the buffer names that you want, one by one.
1311 See also `multi-occur-in-matching-buffers'."
1321 "Next buffer to search (C-j to end): "
1323 nil t))
1332 "Show all lines matching REGEXP in buffers specified by BUFREGEXP.
1333 Normally BUFREGEXP matches against each buffer's visited file name,
1334 but if you specify a prefix argument, it matches against the buffer name.
1335 See also `multi-occur'."
1342 "List lines in buffers whose names match regexp: "
1345 default
1346 input))
1358 buf))
1369 bufs))))
1370 ;; Handle the case where one of the buffers we're searching is the
1371 ;; output buffer. Just rename it.
1376 ;; Now find or create the output buffer.
1377 ;; If we just renamed that buffer, we will make a new one here.
1385 ;; Don't generate undo entries for creation of the initial contents.
1390 ;; Treat nlines as a regexp to collect.
1398 ;; Insert the replacement regexp.
1407 count)
1408 ;; Perform normal occur.
1410 regexp active-bufs occur-buf
1414 case-fold-search)
1415 list-matching-lines-buffer-name-face
1417 list-matching-lines-prefix-face)
1418 list-matching-lines-face
1427 ;; Don't display regexp if with remaining text
1428 ;; it is longer than window-width.
1441 title-face prefix-face match-face keep-props)
1447 ;; Map over all the buffers
1466 ;; Set CODING only if the current buffer locally
1467 ;; binds buffer-file-coding-system.
1477 ;; Get beginning of first match line and end of the last.
1483 ;; Sum line numbers up to the first match line.
1488 ;; Highlight the matches
1498 ;; Add `match-face' to faces copied from the buffer.
1501 match-face nil curstring))
1502 ;; Avoid infloop (Bug#7593).
1505 ;; Generate the string to insert for this match
1507 ;; Using 7 digits aligns tabs properly.
1513 ;; Allow insertion of text at
1514 ;; the end of the prefix (for
1515 ;; Occur Edit mode).
1516 front-sticky t rear-nonsticky t
1517 occur-target ,marker follow-link t
1520 ;; We don't put `mouse-face' on the newline,
1521 ;; because that loses. And don't put it
1522 ;; on context lines to reduce flicker.
1524 'occur-target marker
1525 'follow-link t
1526 'help-echo
1530 match-prefix
1531 ;; Add non-numeric prefix to all non-first lines
1532 ;; of multi-line matches.
1538 match-str)
1539 ;; Add marker at eol, but no mouse props.
1543 ;; The simple display style
1544 out-line
1545 ;; The complex multi-line display style.
1547 out-line nlines keep-props begpt endpt
1548 curr-line prev-line prev-after-lines
1549 prefix-face))
1550 ;; Set first elem of the returned list to `data',
1551 ;; and the second elem to `prev-after-lines'.
1554 ;; Actually insert the match display data
1560 ;; Sum line numbers between first and last match lines.
1562 ;; Add 1 for empty last match line since
1563 ;; count-lines returns 1 line less.
1565 ;; On to the next match...
1569 ;; Flush remaining context after-lines.
1573 prev-after-lines prefix-face)))))))
1580 end)
1584 ;; Don't display the same number of lines
1585 ;; and matches in case of 1 match per line.
1589 ;; Don't display regexp for multi-buffer.
1600 ;; Display total match count and regexp for multi-buffer.
1604 end)
1607 ;; Don't display the same number of lines
1608 ;; and matches in case of 1 match per line.
1618 ;; CODING is buffer-file-coding-system of the first buffer
1619 ;; that locally binds it. Let's use it also for the output
1620 ;; buffer.
1622 ;; Return the number of matches
1623 global-matches)))
1634 str)
1644 lines))
1651 result beg end moved)
1663 ;; Generate context display for occur.
1664 ;; OUT-LINE is the line where the match is.
1665 ;; NLINES and KEEP-PROPS are args to occur-engine.
1666 ;; CURR-LINE is line count of the current match,
1667 ;; PREV-LINE is line count of the previous match,
1668 ;; PREV-AFTER-LINES is a list of after-context lines of the previous match.
1669 ;; Generate a list of lines, add prefixes to all but OUT-LINE,
1670 ;; then concatenate them all together.
1672 curr-line prev-line prev-after-lines
1674 ;; Find after- and before-context lines of the current match.
1681 separator)
1683 ;; Combine after-lines of the previous match
1684 ;; with before-lines of the current match.
1687 ;; Don't overlap prev after-lines with current before-lines.
1694 ;; Separate non-overlapping context lines with a dashed line.
1698 ;; Don't overlap current before-lines with previous match line.
1700 prev-line)
1704 before-lines))
1705 ;; Separate non-overlapping before-context lines.
1710 ;; Return a list where the first element is the output line.
1718 separator)))
1721 ;; And the second element is the list of context after-lines.
1724 \f
1725 ;; It would be nice to use \\[...], but there is no reasonable way
1726 ;; to make that display both SPC and Y.
1728 "Type Space or `y' to replace one match, Delete or `n' to skip to next,
1729 RET or `q' to exit, Period to replace one match and exit,
1730 Comma to replace but not move point immediately,
1732 C-w to delete match and recursive edit,
1733 C-l to clear the screen, redisplay, and offer same replacement again,
1734 ! to replace all remaining matches in this buffer with no more questions,
1735 ^ to move point back to previous match,
1736 E to edit the replacement string.
1737 In multi-buffer replacements type `Y' to replace all remaining
1738 matches in all remaining buffers with no more questions,
1739 `N' to skip to the next buffer without replacing remaining matches
1740 in the current buffer."
1748 (define-key map [backspace] 'skip)
1749 (define-key map "y" 'act)
1750 (define-key map "n" 'skip)
1751 (define-key map "Y" 'act)
1752 (define-key map "N" 'skip)
1753 (define-key map "e" 'edit-replacement)
1754 (define-key map "E" 'edit-replacement)
1755 (define-key map "," 'act-and-show)
1756 (define-key map "q" 'exit)
1758 (define-key map [return] 'exit)
1759 (define-key map "." 'act-and-exit)
1760 (define-key map "\C-r" 'edit)
1761 (define-key map "\C-w" 'delete-and-edit)
1762 (define-key map "\C-l" 'recenter)
1763 (define-key map "!" 'automatic)
1764 (define-key map "^" 'backup)
1765 (define-key map "\C-h" 'help)
1766 (define-key map [f1] 'help)
1767 (define-key map [help] 'help)
1768 (define-key map "?" 'help)
1769 (define-key map "\C-g" 'quit)
1770 (define-key map "\C-]" 'quit)
1771 (define-key map "\C-v" 'scroll-up)
1772 (define-key map "\M-v" 'scroll-down)
1773 (define-key map [next] 'scroll-up)
1774 (define-key map [prior] 'scroll-down)
1775 (define-key map [?\C-\M-v] 'scroll-other-window)
1776 (define-key map [M-next] 'scroll-other-window)
1777 (define-key map [?\C-\M-\S-v] 'scroll-other-window-down)
1778 (define-key map [M-prior] 'scroll-other-window-down)
1779 ;; Binding ESC would prohibit the M-v binding. Instead, callers
1780 ;; should check for ESC specially.
1781 ;; (define-key map "\e" 'exit-prefix)
1782 (define-key map [escape] 'exit-prefix)
1783 map)
1784 "Keymap of responses to questions posed by commands like `query-replace'.
1786 The valid answers include `act', `skip', `act-and-show',
1787 `act-and-exit', `exit', `exit-prefix', `recenter', `scroll-up',
1788 `scroll-down', `scroll-other-window', `scroll-other-window-down',
1789 `edit', `edit-replacement', `delete-and-edit', `automatic',
1790 `backup', `quit', and `help'.
1792 This keymap is used by `y-or-n-p' as well as `query-replace'.")
1794 (defvar multi-query-replace-map
1795 (let ((map (make-sparse-keymap)))
1796 (set-keymap-parent map query-replace-map)
1797 (define-key map "Y" 'automatic-all)
1798 (define-key map "N" 'exit-current)
1799 map)
1800 "Keymap that defines additional bindings for multi-buffer replacements.
1801 It extends its parent map `query-replace-map' with new bindings to
1802 operate on a set of buffers/files. The difference with its parent map
1803 is the additional answers `automatic-all' to replace all remaining
1804 matches in all remaining buffers with no more questions, and
1805 `exit-current' to skip remaining matches in the current buffer
1806 and to continue with the next buffer in the sequence.")
1808 (defun replace-match-string-symbols (n)
1809 "Process a list (and any sub-lists), expanding certain symbols.
1810 Symbol Expands To
1811 N (match-string N) (where N is a string of digits)
1812 #N (string-to-number (match-string N))
1813 & (match-string 0)
1814 #& (string-to-number (match-string 0))
1815 # replace-count
1817 Note that these symbols must be preceded by a backslash in order to
1818 type them using Lisp syntax."
1819 (while (consp n)
1820 (cond
1821 ((consp (car n))
1822 (replace-match-string-symbols (car n))) ;Process sub-list
1823 ((symbolp (car n))
1824 (let ((name (symbol-name (car n))))
1825 (cond
1826 ((string-match "^[0-9]+$" name)
1827 (setcar n (list 'match-string (string-to-number name))))
1828 ((string-match "^#[0-9]+$" name)
1829 (setcar n (list 'string-to-number
1830 (list 'match-string
1831 (string-to-number (substring name 1))))))
1832 ((string= "&" name)
1833 (setcar n '(match-string 0)))
1834 ((string= "#&" name)
1835 (setcar n '(string-to-number (match-string 0))))
1836 ((string= "#" name)
1837 (setcar n 'replace-count))))))
1838 (setq n (cdr n))))
1840 (defun replace-eval-replacement (expression count)
1841 (let* ((replace-count count)
1842 err
1843 (replacement
1844 (condition-case err
1845 (eval expression)
1846 (error
1847 (error "Error evaluating replacement expression: %S" err)))))
1848 (if (stringp replacement)
1849 replacement
1850 (prin1-to-string replacement t))))
1852 (defun replace-quote (replacement)
1853 "Quote a replacement string.
1854 This just doubles all backslashes in REPLACEMENT and
1855 returns the resulting string. If REPLACEMENT is not
1856 a string, it is first passed through `prin1-to-string'
1857 with the `noescape' argument set.
1859 `match-data' is preserved across the call."
1860 (save-match-data
1862 (if (stringp replacement)
1863 replacement
1864 (prin1-to-string replacement t))
1865 t t)))
1867 (defun replace-loop-through-replacements (data count)
1868 ;; DATA is a vector containing the following values:
1869 ;; 0 next-rotate-count
1870 ;; 1 repeat-count
1871 ;; 2 next-replacement
1872 ;; 3 replacements
1873 (if (= (aref data 0) count)
1874 (progn
1875 (aset data 0 (+ count (aref data 1)))
1876 (let ((next (cdr (aref data 2))))
1877 (aset data 2 (if (consp next) next (aref data 3))))))
1878 (car (aref data 2)))
1880 (defun replace-match-data (integers reuse &optional new)
1881 "Like `match-data', but markers in REUSE get invalidated.
1882 If NEW is non-nil, it is set and returned instead of fresh data,
1883 but coerced to the correct value of INTEGERS."
1884 (or (and new
1885 (progn
1886 (set-match-data new)
1887 (and (eq new reuse)
1888 (eq (null integers) (markerp (car reuse)))
1889 new)))
1890 (match-data integers reuse t)))
1892 (defun replace-match-maybe-edit (newtext fixedcase literal noedit match-data backward)
1894 FIXEDCASE, LITERAL are passed to `replace-match' (which see).
1897 is made (to save time). MATCH-DATA is used for the replacement.
1898 In case editing is done, it is changed to use markers.
1901 passed in. If LITERAL is set, no checking is done, anyway."
1902 (unless (or literal noedit)
1903 (setq noedit t)
1905 newtext)
1906 (setq newtext
1907 (read-string "Edit replacement string: "
1908 (prog1
1909 (cons
1910 (replace-match "" t t newtext 3)
1911 (1+ (match-beginning 3)))
1912 (setq match-data
1913 (replace-match-data
1914 nil match-data match-data))))
1915 noedit nil)))
1916 (set-match-data match-data)
1917 (replace-match newtext fixedcase literal)
1918 ;; `replace-match' leaves point at the end of the replacement text,
1919 ;; so move point to the beginning when replacing backward.
1920 (when backward (goto-char (nth 0 match-data)))
1921 noedit)
1923 (defvar replace-search-function nil
1924 "Function to use when searching for strings to replace.
1925 It is used by `query-replace' and `replace-string', and is called
1926 with three arguments, as if it were `search-forward'.")
1928 (defvar replace-re-search-function nil
1929 "Function to use when searching for regexps to replace.
1930 It is used by `query-replace-regexp', `replace-regexp',
1931 `query-replace-regexp-eval', and `map-query-replace-regexp'.
1932 It is called with three arguments, as if it were
1933 `re-search-forward'.")
1935 (defun replace-search (search-string limit regexp-flag delimited-flag
1936 case-fold-search backward)
1937 "Search for the next occurrence of SEARCH-STRING to replace."
1938 ;; Let-bind global isearch-* variables to values used
1939 ;; to search the next replacement. These let-bindings
1940 ;; should be effective both at the time of calling
1941 ;; `isearch-search-fun-default' and also at the
1942 ;; time of funcalling `search-function'.
1943 ;; These isearch-* bindings can't be placed higher
1944 ;; outside of this function because then another I-search
1945 ;; used after `recursive-edit' might override them.
1946 (let* ((isearch-regexp regexp-flag)
1947 (isearch-word delimited-flag)
1948 (isearch-lax-whitespace
1949 replace-lax-whitespace)
1950 (isearch-regexp-lax-whitespace
1951 replace-regexp-lax-whitespace)
1952 (isearch-case-fold-search case-fold-search)
1953 (isearch-adjusted nil)
1954 (isearch-nonincremental t) ; don't use lax word mode
1955 (isearch-forward (not backward))
1956 (search-function
1957 (or (if regexp-flag
1958 replace-re-search-function
1959 replace-search-function)
1960 (isearch-search-fun-default))))
1961 (funcall search-function search-string limit t)))
1963 (defvar replace-overlay nil)
1965 (defun replace-highlight (match-beg match-end range-beg range-end
1966 search-string regexp-flag delimited-flag
1967 case-fold-search backward)
1968 (if query-replace-highlight
1969 (if replace-overlay
1970 (move-overlay replace-overlay match-beg match-end (current-buffer))
1971 (setq replace-overlay (make-overlay match-beg match-end))
1972 (overlay-put replace-overlay 'priority 1001) ;higher than lazy overlays
1973 (overlay-put replace-overlay 'face 'query-replace)))
1974 (if query-replace-lazy-highlight
1975 (let ((isearch-string search-string)
1976 (isearch-regexp regexp-flag)
1977 (isearch-word delimited-flag)
1978 (isearch-lax-whitespace
1979 replace-lax-whitespace)
1980 (isearch-regexp-lax-whitespace
1981 replace-regexp-lax-whitespace)
1982 (isearch-case-fold-search case-fold-search)
1983 (isearch-forward (not backward))
1984 (isearch-other-end match-beg)
1985 (isearch-error nil))
1986 (isearch-lazy-highlight-new-loop range-beg range-end))))
1988 (defun replace-dehighlight ()
1989 (when replace-overlay
1990 (delete-overlay replace-overlay))
1991 (when query-replace-lazy-highlight
1992 (lazy-highlight-cleanup lazy-highlight-cleanup)
1993 (setq isearch-lazy-highlight-last-string nil))
1994 ;; Close overlays opened by `isearch-range-invisible' in `perform-replace'.
1995 (isearch-clean-overlays))
1997 (defun perform-replace (from-string replacements
1998 query-flag regexp-flag delimited-flag
1999 &optional repeat-count map start end backward)
2000 "Subroutine of `query-replace'. Its complexity handles interactive queries.
2001 Don't use this in your own program unless you want to query and set the mark
2002 just as `query-replace' does. Instead, write a simple loop like this:
2007 which will run faster and probably do exactly what you want. Please
2008 see the documentation of `replace-match' to find out how to simulate
2009 `case-replace'.
2011 This function returns nil if and only if there were no matches to
2012 make, or the user didn't cancel the call."
2013 (or map (setq map query-replace-map))
2014 (and query-flag minibuffer-auto-raise
2015 (raise-frame (window-frame (minibuffer-window))))
2016 (let* ((case-fold-search
2017 (if (and case-fold-search search-upper-case)
2018 (isearch-no-upper-case-p from-string regexp-flag)
2019 case-fold-search))
2020 (nocasify (not (and case-replace case-fold-search)))
2021 (literal (or (not regexp-flag) (eq regexp-flag 'literal)))
2022 (search-string from-string)
2023 (real-match-data nil) ; The match data for the current match.
2024 (next-replacement nil)
2025 ;; This is non-nil if we know there is nothing for the user
2026 ;; to edit in the replacement.
2027 (noedit nil)
2028 (keep-going t)
2029 (stack nil)
2030 (replace-count 0)
2031 (skip-read-only-count 0)
2032 (skip-filtered-count 0)
2033 (skip-invisible-count 0)
2034 (nonempty-match nil)
2035 (multi-buffer nil)
2036 (recenter-last-op nil) ; Start cycling order with initial position.
2038 ;; If non-nil, it is marker saying where in the buffer to stop.
2039 (limit nil)
2041 ;; Data for the next match. If a cons, it has the same format as
2042 ;; (match-data); otherwise it is t if a match is possible at point.
2043 (match-again t)
2045 (message
2046 (if query-flag
2047 (apply 'propertize
2048 (substitute-command-keys
2050 minibuffer-prompt-properties))))
2052 ;; If region is active, in Transient Mark mode, operate on region.
2053 (if backward
2054 (when end
2055 (setq limit (copy-marker (min start end)))
2056 (goto-char (max start end))
2057 (deactivate-mark))
2058 (when start
2059 (setq limit (copy-marker (max start end)))
2060 (goto-char (min start end))
2061 (deactivate-mark)))
2063 ;; If last typed key in previous call of multi-buffer perform-replace
2064 ;; was `automatic-all', don't ask more questions in next files
2065 (when (eq (lookup-key map (vector last-input-event)) 'automatic-all)
2066 (setq query-flag nil multi-buffer t))
2068 ;; REPLACEMENTS is either a string, a list of strings, or a cons cell
2069 ;; containing a function and its first argument. The function is
2070 ;; called to generate each replacement like this:
2071 ;; (funcall (car replacements) (cdr replacements) replace-count)
2072 ;; It must return a string.
2073 (cond
2074 ((stringp replacements)
2075 (setq next-replacement replacements
2076 replacements nil))
2077 ((stringp (car replacements)) ; If it isn't a string, it must be a cons
2078 (or repeat-count (setq repeat-count 1))
2079 (setq replacements (cons 'replace-loop-through-replacements
2080 (vector repeat-count repeat-count
2081 replacements replacements)))))
2083 (when query-replace-lazy-highlight
2084 (setq isearch-lazy-highlight-last-string nil))
2086 (push-mark)
2087 (undo-boundary)
2088 (unwind-protect
2089 ;; Loop finding occurrences that perhaps should be replaced.
2090 (while (and keep-going
2091 (if backward
2092 (not (or (bobp) (and limit (<= (point) limit))))
2093 (not (or (eobp) (and limit (>= (point) limit)))))
2094 ;; Use the next match if it is already known;
2095 ;; otherwise, search for a match after moving forward
2096 ;; one char if progress is required.
2097 (setq real-match-data
2098 (cond ((consp match-again)
2099 (goto-char (if backward
2100 (nth 0 match-again)
2101 (nth 1 match-again)))
2102 (replace-match-data
2103 t real-match-data match-again))
2104 ;; MATCH-AGAIN non-nil means accept an
2105 ;; adjacent match.
2106 (match-again
2107 (and
2108 (replace-search search-string limit
2109 regexp-flag delimited-flag
2110 case-fold-search backward)
2111 ;; For speed, use only integers and
2112 ;; reuse the list used last time.
2113 (replace-match-data t real-match-data)))
2114 ((and (if backward
2115 (> (1- (point)) (point-min))
2116 (< (1+ (point)) (point-max)))
2117 (or (null limit)
2118 (if backward
2119 (> (1- (point)) limit)
2120 (< (1+ (point)) limit))))
2121 ;; If not accepting adjacent matches,
2122 ;; move one char to the right before
2123 ;; searching again. Undo the motion
2124 ;; if the search fails.
2125 (let ((opoint (point)))
2126 (forward-char (if backward -1 1))
2127 (if (replace-search search-string limit
2128 regexp-flag delimited-flag
2129 case-fold-search backward)
2130 (replace-match-data
2131 t real-match-data)
2132 (goto-char opoint)
2133 nil))))))
2135 ;; Record whether the match is nonempty, to avoid an infinite loop
2136 ;; repeatedly matching the same empty string.
2137 (setq nonempty-match
2138 (/= (nth 0 real-match-data) (nth 1 real-match-data)))
2140 ;; If the match is empty, record that the next one can't be
2141 ;; adjacent.
2143 ;; Otherwise, if matching a regular expression, do the next
2144 ;; match now, since the replacement for this match may
2145 ;; affect whether the next match is adjacent to this one.
2146 ;; If that match is empty, don't use it.
2147 (setq match-again
2148 (and nonempty-match
2149 (or (not regexp-flag)
2150 (and (if backward
2151 (looking-back search-string)
2152 (looking-at search-string))
2153 (let ((match (match-data)))
2154 (and (/= (nth 0 match) (nth 1 match))
2155 match))))))
2157 (cond
2158 ;; Optionally ignore matches that have a read-only property.
2159 ((not (or (not query-replace-skip-read-only)
2160 (not (text-property-not-all
2161 (nth 0 real-match-data) (nth 1 real-match-data)
2162 'read-only nil))))
2163 (setq skip-read-only-count (1+ skip-read-only-count)))
2164 ;; Optionally filter out matches.
2165 ((not (funcall isearch-filter-predicate
2166 (nth 0 real-match-data) (nth 1 real-match-data)))
2167 (setq skip-filtered-count (1+ skip-filtered-count)))
2168 ;; Optionally ignore invisible matches.
2169 ((not (or (eq search-invisible t)
2170 ;; Don't open overlays for automatic replacements.
2171 (and (not query-flag) search-invisible)
2172 ;; Open hidden overlays for interactive replacements.
2173 (not (isearch-range-invisible
2174 (nth 0 real-match-data) (nth 1 real-match-data)))))
2175 (setq skip-invisible-count (1+ skip-invisible-count)))
2176 (t
2177 ;; Calculate the replacement string, if necessary.
2178 (when replacements
2179 (set-match-data real-match-data)
2180 (setq next-replacement
2181 (funcall (car replacements) (cdr replacements)
2182 replace-count)))
2183 (if (not query-flag)
2184 (progn
2185 (unless (or literal noedit)
2186 (replace-highlight
2187 (nth 0 real-match-data) (nth 1 real-match-data)
2188 start end search-string
2189 regexp-flag delimited-flag case-fold-search backward))
2190 (setq noedit
2191 (replace-match-maybe-edit
2192 next-replacement nocasify literal
2193 noedit real-match-data backward)
2194 replace-count (1+ replace-count)))
2195 (undo-boundary)
2196 (let (done replaced key def)
2197 ;; Loop reading commands until one of them sets done,
2198 ;; which means it has finished handling this
2199 ;; occurrence. Any command that sets `done' should
2200 ;; leave behind proper match data for the stack.
2201 ;; Commands not setting `done' need to adjust
2202 ;; `real-match-data'.
2203 (while (not done)
2204 (set-match-data real-match-data)
2205 (replace-highlight
2206 (match-beginning 0) (match-end 0)
2207 start end search-string
2208 regexp-flag delimited-flag case-fold-search backward)
2209 ;; Bind message-log-max so we don't fill up the message log
2210 ;; with a bunch of identical messages.
2211 (let ((message-log-max nil)
2212 (replacement-presentation
2213 (if query-replace-show-replacement
2214 (save-match-data
2215 (set-match-data real-match-data)
2216 (match-substitute-replacement next-replacement
2217 nocasify literal))
2218 next-replacement)))
2219 (message message
2220 (query-replace-descr from-string)
2221 (query-replace-descr replacement-presentation)))
2222 (setq key (read-event))
2223 ;; Necessary in case something happens during read-event
2224 ;; that clobbers the match data.
2225 (set-match-data real-match-data)
2226 (setq key (vector key))
2227 (setq def (lookup-key map key))
2228 ;; Restore the match data while we process the command.
2229 (cond ((eq def 'help)
2230 (with-output-to-temp-buffer "*Help*"
2231 (princ
2232 (concat "Query replacing "
2233 (if delimited-flag
2234 (or (and (symbolp delimited-flag)
2235 (get delimited-flag 'isearch-message-prefix))
2236 "word ") "")
2237 (if regexp-flag "regexp " "")
2238 (if backward "backward " "")
2239 from-string " with "
2241 (substitute-command-keys
2242 query-replace-help)))
2243 (with-current-buffer standard-output
2244 (help-mode))))
2245 ((eq def 'exit)
2246 (setq keep-going nil)
2247 (setq done t))
2248 ((eq def 'exit-current)
2249 (setq multi-buffer t keep-going nil done t))
2250 ((eq def 'backup)
2251 (if stack
2252 (let ((elt (pop stack)))
2253 (goto-char (nth 0 elt))
2254 (setq replaced (nth 1 elt)
2255 real-match-data
2256 (replace-match-data
2257 t real-match-data
2258 (nth 2 elt))))
2259 (message "No previous match")
2260 (ding 'no-terminate)
2261 (sit-for 1)))
2262 ((eq def 'act)
2263 (or replaced
2264 (setq noedit
2265 (replace-match-maybe-edit
2266 next-replacement nocasify literal
2267 noedit real-match-data backward)
2268 replace-count (1+ replace-count)))
2269 (setq done t replaced t))
2270 ((eq def 'act-and-exit)
2271 (or replaced
2272 (setq noedit
2273 (replace-match-maybe-edit
2274 next-replacement nocasify literal
2275 noedit real-match-data backward)
2276 replace-count (1+ replace-count)))
2277 (setq keep-going nil)
2278 (setq done t replaced t))
2279 ((eq def 'act-and-show)
2280 (if (not replaced)
2281 (setq noedit
2282 (replace-match-maybe-edit
2283 next-replacement nocasify literal
2284 noedit real-match-data backward)
2285 replace-count (1+ replace-count)
2286 real-match-data (replace-match-data
2287 t real-match-data)
2288 replaced t)))
2289 ((or (eq def 'automatic) (eq def 'automatic-all))
2290 (or replaced
2291 (setq noedit
2292 (replace-match-maybe-edit
2293 next-replacement nocasify literal
2294 noedit real-match-data backward)
2295 replace-count (1+ replace-count)))
2296 (setq done t query-flag nil replaced t)
2297 (if (eq def 'automatic-all) (setq multi-buffer t)))
2298 ((eq def 'skip)
2299 (setq done t))
2300 ((eq def 'recenter)
2301 ;; `this-command' has the value `query-replace',
2302 ;; so we need to bind it to `recenter-top-bottom'
2303 ;; to allow it to detect a sequence of `C-l'.
2304 (let ((this-command 'recenter-top-bottom)
2305 (last-command 'recenter-top-bottom))
2306 (recenter-top-bottom)))
2307 ((eq def 'edit)
2308 (let ((opos (point-marker)))
2309 (setq real-match-data (replace-match-data
2310 nil real-match-data
2311 real-match-data))
2312 (goto-char (match-beginning 0))
2313 (save-excursion
2314 (save-window-excursion
2315 (recursive-edit)))
2316 (goto-char opos)
2317 (set-marker opos nil))
2318 ;; Before we make the replacement,
2319 ;; decide whether the search string
2320 ;; can match again just after this match.
2321 (if (and regexp-flag nonempty-match)
2322 (setq match-again (and (looking-at search-string)
2323 (match-data)))))
2324 ;; Edit replacement.
2325 ((eq def 'edit-replacement)
2326 (setq real-match-data (replace-match-data
2327 nil real-match-data
2328 real-match-data)
2329 next-replacement
2330 (read-string "Edit replacement string: "
2331 next-replacement)
2332 noedit nil)
2333 (if replaced
2334 (set-match-data real-match-data)
2335 (setq noedit
2336 (replace-match-maybe-edit
2337 next-replacement nocasify literal noedit
2338 real-match-data backward)
2339 replaced t))
2340 (setq done t))
2342 ((eq def 'delete-and-edit)
2343 (replace-match "" t t)
2344 (setq real-match-data (replace-match-data
2345 nil real-match-data))
2346 (replace-dehighlight)
2347 (save-excursion (recursive-edit))
2348 (setq replaced t))
2349 ;; Note: we do not need to treat `exit-prefix'
2350 ;; specially here, since we reread
2351 ;; any unrecognized character.
2352 (t
2353 (setq this-command 'mode-exited)
2354 (setq keep-going nil)
2355 (setq unread-command-events
2356 (append (listify-key-sequence key)
2357 unread-command-events))
2358 (setq done t)))
2359 (when query-replace-lazy-highlight
2360 ;; Force lazy rehighlighting only after replacements.
2361 (if (not (memq def '(skip backup)))
2362 (setq isearch-lazy-highlight-last-string nil)))
2363 (unless (eq def 'recenter)
2364 ;; Reset recenter cycling order to initial position.
2365 (setq recenter-last-op nil)))
2366 ;; Record previous position for ^ when we move on.
2367 ;; Change markers to numbers in the match data
2368 ;; since lots of markers slow down editing.
2369 (push (list (point) replaced
2370 ;;; If the replacement has already happened, all we need is the
2371 ;;; current match start and end. We could get this with a trivial
2372 ;;; match like
2373 ;;; (save-excursion (goto-char (match-beginning 0))
2374 ;;; (search-forward (match-string 0))
2375 ;;; (match-data t))
2376 ;;; if we really wanted to avoid manually constructing match data.
2377 ;;; Adding current-buffer is necessary so that match-data calls can
2378 ;;; return markers which are appropriate for editing.
2379 (if replaced
2380 (list
2381 (match-beginning 0)
2382 (match-end 0)
2383 (current-buffer))
2384 (match-data t)))
2385 stack))))))
2387 (replace-dehighlight))
2388 (or unread-command-events
2389 (message "Replaced %d occurrence%s%s"
2390 replace-count
2391 (if (= replace-count 1) "" "s")
2392 (if (> (+ skip-read-only-count
2393 skip-filtered-count
2394 skip-invisible-count) 0)
2395 (format " (skipped %s)"
2396 (mapconcat
2397 'identity
2398 (delq nil (list
2399 (if (> skip-read-only-count 0)
2400 (format "%s read-only"
2401 skip-read-only-count))
2402 (if (> skip-invisible-count 0)
2403 (format "%s invisible"
2404 skip-invisible-count))
2405 (if (> skip-filtered-count 0)
2406 (format "%s filtered out"
2407 skip-filtered-count))))
2408 ", "))
2409 "")))
2410 (or (and keep-going stack) multi-buffer)))
2412 ;;; replace.el ends here