;; modify the search string before executing the search. There are
;; three commands to terminate the editing: C-s and C-r exit the
;; minibuffer and search forward and reverse respectively, while C-m
-;; exits and does a nonincremental search.
+;; exits and searches in the last search direction.
;; Exiting immediately from isearch uses isearch-edit-string instead
;; of nonincremental-search, if search-nonincremental-instead is non-nil.
(defvar isearch-message-function nil
"Function to call to display the search prompt.
-If nil, use `isearch-message'.")
+If nil, use function `isearch-message'.")
(defvar isearch-wrap-function nil
"Function to call to wrap the search when search is failed.
"Function to save a function restoring the mode-specific Isearch state
to the search status stack.")
-(defvar isearch-filter-predicate 'isearch-filter-visible
- "Predicate that filters the search hits that would normally be available.
+(defvar isearch-filter-predicate #'isearch-filter-visible
+ "Predicate that filter the search hits that would normally be available.
Search hits that dissatisfy the predicate are skipped. The function
has two arguments: the positions of start and end of text matched by
the search. If this function returns nil, continue searching without
-stopping at this match.")
+stopping at this match.
+If you use `add-function' to modify this variable, you can use the
+`isearch-message-prefix' advice property to specify the prefix string
+displayed in the search message.")
;; Search ring.
they exit Isearch mode before displaying global help."
isearch-help-map)
+(defvar isearch--display-help-action '(nil (inhibit-same-window . t)))
+
(defun isearch-help-for-help ()
"Display Isearch help menu."
(interactive)
- (let (same-window-buffer-names same-window-regexps)
+ (let ((display-buffer-overriding-action isearch--display-help-action))
(isearch-help-for-help-internal))
(isearch-update))
"Show a list of all keys defined in Isearch mode, and their definitions.
This is like `describe-bindings', but displays only Isearch keys."
(interactive)
- (let (same-window-buffer-names same-window-regexps)
+ (let ((display-buffer-overriding-action isearch--display-help-action))
(with-help-window "*Help*"
(with-current-buffer standard-output
(princ "Isearch Mode Bindings:\n")
(defun isearch-describe-key ()
"Display documentation of the function invoked by isearch key."
(interactive)
- (let (same-window-buffer-names same-window-regexps)
+ (let ((display-buffer-overriding-action isearch--display-help-action))
(call-interactively 'describe-key))
(isearch-update))
(defun isearch-describe-mode ()
"Display documentation of Isearch mode."
(interactive)
- (let (same-window-buffer-names same-window-regexps)
+ (let ((display-buffer-overriding-action isearch--display-help-action))
(describe-function 'isearch-forward))
(isearch-update))
(define-key map "\M-e" 'isearch-edit-string)
(define-key map "\M-sc" 'isearch-toggle-case-fold)
+ (define-key map "\M-si" 'isearch-toggle-invisible)
(define-key map "\M-sr" 'isearch-toggle-regexp)
(define-key map "\M-sw" 'isearch-toggle-word)
(define-key map "\M-s_" 'isearch-toggle-symbol)
(define-key map "\M-so" 'isearch-occur)
(define-key map "\M-shr" 'isearch-highlight-regexp)
- ;; The key translations defined in the C-x 8 prefix should insert
- ;; characters into the search string. See iso-transl.el.
+ ;; The key translations defined in the C-x 8 prefix should add
+ ;; characters to the search string. See iso-transl.el.
(define-key map "\C-x" nil)
(define-key map [?\C-x t] 'isearch-other-control-char)
(define-key map "\C-x8" nil)
- (define-key map "\C-x8\r" 'isearch-other-control-char)
+ (define-key map "\C-x8\r" 'isearch-char-by-name)
map)
"Keymap for `isearch-mode'.")
(defvar minibuffer-local-isearch-map
(let ((map (make-sparse-keymap)))
(set-keymap-parent map minibuffer-local-map)
- (define-key map "\r" 'isearch-nonincremental-exit-minibuffer)
+ (define-key map "\r" 'exit-minibuffer)
(define-key map "\M-\t" 'isearch-complete-edit)
(define-key map "\C-s" 'isearch-forward-exit-minibuffer)
(define-key map "\C-r" 'isearch-reverse-exit-minibuffer)
;; case in the search string is ignored.
(defvar isearch-case-fold-search nil)
+;; search-invisible while searching.
+;; either nil, t, or 'open. 'open means the same as t except that
+;; opens hidden overlays.
+(defvar isearch-invisible search-invisible)
+
(defvar isearch-last-case-fold-search nil)
;; Used to save default value while isearch is active
(define-key esc-map "\C-r" 'isearch-backward-regexp)
(define-key search-map "w" 'isearch-forward-word)
(define-key search-map "_" 'isearch-forward-symbol)
+(define-key search-map "." 'isearch-forward-symbol-at-point)
;; Entry points to isearch-mode.
Type \\[isearch-yank-pop] to replace string just yanked into search prompt
with string killed before it.
Type \\[isearch-quote-char] to quote control character to search for it.
+Type \\[isearch-char-by-name] to add a character to search by Unicode name,\
+ with completion.
\\[isearch-abort] while searching or when search has failed cancels input\
back to what has
been found successfully.
nonincremental search.
Type \\[isearch-toggle-case-fold] to toggle search case-sensitivity.
+Type \\[isearch-toggle-invisible] to toggle search in invisible text.
Type \\[isearch-toggle-regexp] to toggle regular-expression mode.
Type \\[isearch-toggle-word] to toggle word mode.
Type \\[isearch-toggle-symbol] to toggle symbol mode.
and are then executed normally (depending on `search-exit-option').
Likewise for function keys and mouse button events.
-If this function is called non-interactively, it does not return to
-the calling function until the search is done."
+If this function is called non-interactively with a nil NO-RECURSIVE-EDIT,
+it does not return to the calling function until the search is done.
+See the function `isearch-mode' for more information."
(interactive "P\np")
(isearch-mode t (not (null regexp-p)) nil (not no-recursive-edit)))
(interactive "P\np")
(isearch-mode t nil nil (not no-recursive-edit) (null not-word)))
-(defun isearch-forward-symbol (&optional not-symbol no-recursive-edit)
+(defun isearch-forward-symbol (&optional _not-symbol no-recursive-edit)
"Do incremental search forward for a symbol.
The prefix argument is currently unused.
Like ordinary incremental search except that your input is treated
(interactive "P\np")
(isearch-mode nil (null not-regexp) nil (not no-recursive-edit)))
+(defun isearch-forward-symbol-at-point ()
+ "Do incremental search forward for a symbol found near point.
+Like ordinary incremental search except that the symbol found at point
+is added to the search string initially as a regexp surrounded
+by symbol boundary constructs \\_< and \\_>.
+See the command `isearch-forward-symbol' for more information."
+ (interactive)
+ (isearch-forward-symbol nil 1)
+ (let ((bounds (find-tag-default-bounds)))
+ (cond
+ (bounds
+ (when (< (car bounds) (point))
+ (goto-char (car bounds)))
+ (isearch-yank-string
+ (buffer-substring-no-properties (car bounds) (cdr bounds))))
+ (t
+ (setq isearch-error "No symbol at point")
+ (isearch-update)))))
+
\f
;; isearch-mode only sets up incremental search for the minor mode.
;; All the work is done by the isearch-mode commands.
(defun isearch-mode (forward &optional regexp op-fun recursive-edit word)
"Start Isearch minor mode.
-It is called by the function `isearch-forward' and other related functions."
+It is called by the function `isearch-forward' and other related functions.
+
+The non-nil arg FORWARD means searching in the forward direction.
+
+The non-nil arg REGEXP does an incremental regular expression search.
+
+The arg OP-FUN is a function to be called after each input character
+is processed. (It is not called after characters that exit the search.)
+
+When the arg RECURSIVE-EDIT is non-nil, this function behaves modally and
+does not return to the calling function until the search is completed.
+To behave this way it enters a recursive-edit and exits it when done
+isearching.
+
+The arg WORD, if t, does incremental search for a sequence of words,
+ignoring punctuation. If the value is a function, it is called to
+convert the search string to a regexp used by regexp search functions."
;; Initialize global vars.
(setq isearch-forward forward
isearch-op-fun op-fun
isearch-last-case-fold-search isearch-case-fold-search
isearch-case-fold-search case-fold-search
+ isearch-invisible search-invisible
isearch-string ""
isearch-message ""
isearch-cmds nil
(setq minibuffer-message-timeout isearch-original-minibuffer-message-timeout)
(isearch-dehighlight)
(lazy-highlight-cleanup lazy-highlight-cleanup)
- (let ((found-start (window-start (selected-window)))
+ (let ((found-start (window-start))
(found-point (point)))
(when isearch-window-configuration
(set-window-configuration isearch-window-configuration)
(defun isearch-fail-pos (&optional msg)
"Return position of first mismatch in search string, or nil if none.
-If MSG is non-nil, use `isearch-message', otherwise `isearch-string'."
+If MSG is non-nil, use variable `isearch-message', otherwise `isearch-string'."
(let ((cmds isearch-cmds)
(curr-msg (if msg isearch-message isearch-string))
succ-msg)
(when (or (not isearch-success) isearch-error)
- (while (or (not (isearch--state-success (car cmds)))
- (isearch--state-error (car cmds)))
+ (while (and cmds
+ (or (not (isearch--state-success (car cmds)))
+ (isearch--state-error (car cmds))))
(pop cmds))
(setq succ-msg (and cmds (if msg (isearch--state-message (car cmds))
(isearch--state-string (car cmds)))))
(length succ-msg)
0))))
-(defun isearch-edit-string ()
- "Edit the search string in the minibuffer.
-The following additional command keys are active while editing.
-\\<minibuffer-local-isearch-map>
-\\[exit-minibuffer] to resume incremental searching with the edited string.
-\\[isearch-nonincremental-exit-minibuffer] to do one nonincremental search.
-\\[isearch-forward-exit-minibuffer] to resume isearching forward.
-\\[isearch-reverse-exit-minibuffer] to resume isearching backward.
-\\[isearch-complete-edit] to complete the search string using the search ring."
-
+(defmacro with-isearch-suspended (&rest body)
+ "Exit Isearch mode, run BODY, and reinvoke the pending search.
+You can update the global isearch variables by setting new values to
+`isearch-new-string', `isearch-new-message', `isearch-new-forward',
+`isearch-new-word', `isearch-new-case-fold'."
;; This code is very hairy for several reasons, explained in the code.
;; Mainly, isearch-mode must be terminated while editing and then restarted.
;; If there were a way to catch any change of buffer from the minibuffer,
;; this could be simplified greatly.
;; Editing doesn't back up the search point. Should it?
- (interactive)
- (condition-case nil
+ `(condition-case nil
(progn
(let ((isearch-nonincremental isearch-nonincremental)
(setq old-point (point) old-other-end isearch-other-end)
(unwind-protect
- (let* ((message-log-max nil)
- ;; Don't add a new search string to the search ring here
- ;; in `read-from-minibuffer'. It should be added only
- ;; by `isearch-update-ring' called from `isearch-done'.
- (history-add-new-input nil)
- ;; Binding minibuffer-history-symbol to nil is a work-around
- ;; for some incompatibility with gmhist.
- (minibuffer-history-symbol))
- (setq isearch-new-string
- (read-from-minibuffer
- (isearch-message-prefix nil isearch-nonincremental)
- (cons isearch-string (1+ (or (isearch-fail-pos)
- (length isearch-string))))
- minibuffer-local-isearch-map nil
- (if isearch-regexp
- (cons 'regexp-search-ring
- (1+ (or regexp-search-ring-yank-pointer -1)))
- (cons 'search-ring
- (1+ (or search-ring-yank-pointer -1))))
- nil t)
- isearch-new-message
- (mapconcat 'isearch-text-char-description
- isearch-new-string "")))
+ (progn ,@body)
;; Set point at the start (end) of old match if forward (backward),
;; so after exiting minibuffer isearch resumes at the start (end)
(isearch-abort) ;; outside of let to restore outside global values
)))
+(defun isearch-edit-string ()
+ "Edit the search string in the minibuffer.
+The following additional command keys are active while editing.
+\\<minibuffer-local-isearch-map>
+\\[exit-minibuffer] to resume incremental searching with the edited string.
+\\[isearch-forward-exit-minibuffer] to resume isearching forward.
+\\[isearch-reverse-exit-minibuffer] to resume isearching backward.
+\\[isearch-complete-edit] to complete the search string using the search ring."
+ (interactive)
+ (with-isearch-suspended
+ (let* ((message-log-max nil)
+ ;; Don't add a new search string to the search ring here
+ ;; in `read-from-minibuffer'. It should be added only
+ ;; by `isearch-update-ring' called from `isearch-done'.
+ (history-add-new-input nil)
+ ;; Binding minibuffer-history-symbol to nil is a work-around
+ ;; for some incompatibility with gmhist.
+ (minibuffer-history-symbol))
+ (setq isearch-new-string
+ (read-from-minibuffer
+ (isearch-message-prefix nil isearch-nonincremental)
+ (cons isearch-string (1+ (or (isearch-fail-pos)
+ (length isearch-string))))
+ minibuffer-local-isearch-map nil
+ (if isearch-regexp
+ (cons 'regexp-search-ring
+ (1+ (or regexp-search-ring-yank-pointer -1)))
+ (cons 'search-ring
+ (1+ (or search-ring-yank-pointer -1))))
+ nil t)
+ isearch-new-message
+ (mapconcat 'isearch-text-char-description
+ isearch-new-string "")))))
+
(defun isearch-nonincremental-exit-minibuffer ()
(interactive)
(setq isearch-nonincremental t)
(exit-minibuffer))
+;; Changing the value of `isearch-nonincremental' has no effect here,
+;; because `isearch-edit-string' ignores this change. Thus marked as obsolete.
+(make-obsolete 'isearch-nonincremental-exit-minibuffer 'exit-minibuffer "24.4")
(defun isearch-forward-exit-minibuffer ()
+ "Resume isearching forward from the minibuffer that edits the search string."
(interactive)
(setq isearch-new-forward t)
(exit-minibuffer))
(defun isearch-reverse-exit-minibuffer ()
+ "Resume isearching backward from the minibuffer that edits the search string."
(interactive)
(setq isearch-new-forward nil)
(exit-minibuffer))
(isearch-update))
(defun isearch-toggle-case-fold ()
- "Toggle case folding in searching on or off."
+ "Toggle case folding in searching on or off.
+Toggles the value of the variable `isearch-case-fold-search'."
(interactive)
(setq isearch-case-fold-search
(if isearch-case-fold-search nil 'yes))
(sit-for 1)
(isearch-update))
+(defun isearch-toggle-invisible ()
+ "Toggle searching in invisible text on or off.
+Toggles the variable `isearch-invisible' between values
+nil and a non-nil value of the option `search-invisible'
+\(or `open' if `search-invisible' is nil)."
+ (interactive)
+ (setq isearch-invisible
+ (if isearch-invisible nil (or search-invisible 'open)))
+ (let ((message-log-max nil))
+ (message "%s%s [match %svisible text]"
+ (isearch-message-prefix nil isearch-nonincremental)
+ isearch-message
+ (if isearch-invisible "in" "")))
+ (setq isearch-success t isearch-adjusted t)
+ (sit-for 1)
+ (isearch-update))
+
\f
;; Word search
"Return a regexp which matches words, ignoring punctuation.
Given STRING, a string of words separated by word delimiters,
compute a regexp that matches those exact words separated by
-arbitrary punctuation. If LAX is non-nil, the end of the string
-need not match a word boundary unless it ends in whitespace.
+arbitrary punctuation. If the string begins or ends in whitespace,
+the beginning or the end of the string matches arbitrary whitespace.
+Otherwise if LAX is non-nil, the beginning or the end of the string
+need not match a word boundary.
Used in `word-search-forward', `word-search-backward',
`word-search-forward-lax', `word-search-backward-lax'."
- (if (string-match-p "^\\W*$" string)
- ""
- (concat
- "\\b"
- (mapconcat 'identity (split-string string "\\W+" t) "\\W+")
- (if (or (not lax) (string-match-p "\\W$" string)) "\\b"))))
+ (cond
+ ((equal string "") "")
+ ((string-match-p "\\`\\W+\\'" string) "\\W+")
+ (t (concat
+ (if (string-match-p "\\`\\W" string) "\\W+"
+ (unless lax "\\<"))
+ (mapconcat 'regexp-quote (split-string string "\\W+" t) "\\W+")
+ (if (string-match-p "\\W\\'" string) "\\W+"
+ (unless lax "\\>"))))))
(defun word-search-backward (string &optional bound noerror count)
"Search backward from point for STRING, ignoring differences in punctuation.
(defun isearch-symbol-regexp (string &optional lax)
"Return a regexp which matches STRING as a symbol.
Creates a regexp where STRING is surrounded by symbol delimiters \\_< and \\_>.
-If LAX is non-nil, the end of the string need not match a symbol boundary."
- (concat "\\_<" (regexp-quote string) (unless lax "\\_>")))
+If there are more than one symbol, then compute a regexp that matches
+those exact symbols separated by non-symbol characters. If the string
+begins or ends in whitespace, the beginning or the end of the string
+matches arbitrary non-symbol whitespace. Otherwise if LAX is non-nil,
+the beginning or the end of the string need not match a symbol boundary."
+ (let ((not-word-symbol-re
+ ;; This regexp matches all syntaxes except word and symbol syntax.
+ ;; FIXME: Replace it with something shorter if possible (bug#14602).
+ "\\(?:\\s-\\|\\s.\\|\\s(\\|\\s)\\|\\s\"\\|\\s\\\\|\\s/\\|\\s$\\|\\s'\\|\\s<\\|\\s>\\|\\s@\\|\\s!\\|\\s|\\)+"))
+ (cond
+ ((equal string "") "")
+ ((string-match-p (format "\\`%s\\'" not-word-symbol-re) string) not-word-symbol-re)
+ (t (concat
+ (if (string-match-p (format "\\`%s" not-word-symbol-re) string) not-word-symbol-re
+ (unless lax "\\_<"))
+ (mapconcat 'regexp-quote (split-string string not-word-symbol-re t) not-word-symbol-re)
+ (if (string-match-p (format "%s\\'" not-word-symbol-re) string) not-word-symbol-re
+ (unless lax "\\_>")))))))
(put 'isearch-symbol-regexp 'isearch-message-prefix "symbol ")
"Start `query-replace' with string to replace from last search string.
The arg DELIMITED (prefix arg if interactive), if non-nil, means replace
only matches surrounded by word boundaries. Note that using the prefix arg
-is possible only when `isearch-allow-scroll' is non-nil, and it doesn't
-always provide the correct matches for `query-replace', so the preferred
-way to run word replacements from Isearch is `M-s w ... M-%'."
+is possible only when `isearch-allow-scroll' is non-nil or
+`isearch-allow-prefix' is non-nil, and it doesn't always provide the
+correct matches for `query-replace', so the preferred way to run word
+replacements from Isearch is `M-s w ... M-%'."
(interactive
(list current-prefix-arg))
(barf-if-buffer-read-only)
;; set `search-upper-case' to nil to not call
;; `isearch-no-upper-case-p' in `perform-replace'
(search-upper-case nil)
+ (search-invisible isearch-invisible)
(replace-lax-whitespace
isearch-lax-whitespace)
(replace-regexp-lax-whitespace
(query-replace-read-to
isearch-string
(concat "Query replace"
- (if (or delimited isearch-word) " word" "")
+ (if (or delimited isearch-word)
+ (let* ((symbol (or delimited isearch-word))
+ (string (and symbol (symbolp symbol)
+ (get symbol 'isearch-message-prefix))))
+ (if (stringp string)
+ ;; Move space from the end to the beginning.
+ (replace-regexp-in-string "\\(.*\\) \\'" " \\1" string)
+ " word"))
+ "")
(if isearch-regexp " regexp" "")
(if (and transient-mark-mode mark-active) " in region" ""))
isearch-regexp)
;; No subexpression so collect the entire match.
"\\&"
;; Get the regexp for collection pattern.
- (isearch-done nil t)
- (isearch-clean-overlays)
- (let ((default (car occur-collect-regexp-history)))
- (read-regexp
- (format "Regexp to collect (default %s): " default)
- default 'occur-collect-regexp-history)))
+ (let ((default (car occur-collect-regexp-history))
+ regexp-collect)
+ (with-isearch-suspended
+ (setq regexp-collect
+ (read-regexp
+ (format "Regexp to collect (default %s): " default)
+ default 'occur-collect-regexp-history)))
+ regexp-collect))
;; Otherwise normal occur takes numerical prefix argument.
(when current-prefix-arg
(prefix-numeric-value current-prefix-arg))))))
(isearch-done nil t)
(isearch-clean-overlays))
(require 'hi-lock nil t)
- (let ((string (cond (isearch-regexp isearch-string)
+ (let ((regexp (cond ((functionp isearch-word)
+ (funcall isearch-word isearch-string))
+ (isearch-word (word-search-regexp isearch-string))
+ (isearch-regexp isearch-string)
((if (and (eq isearch-case-fold-search t)
search-upper-case)
(isearch-no-upper-case-p
(regexp-quote s))))
isearch-string ""))
(t (regexp-quote isearch-string)))))
- (hi-lock-face-buffer string (hi-lock-read-face-name)))
+ (hi-lock-face-buffer regexp (hi-lock-read-face-name)))
(and isearch-recursive-edit (exit-recursive-edit)))
\f
(defun isearch-delete-char ()
"Discard last input item and move point back.
+Last input means the last character or the last isearch command
+that added or deleted characters from the search string,
+moved point, toggled regexp mode or case-sensitivity, etc.
If no previous match was done, just beep."
(interactive)
(if (null (cdr isearch-cmds))
(defun isearch-del-char (&optional arg)
"Delete character from end of search string and search again.
+Unlike `isearch-delete-char', it only deletes the last character,
+but doesn't cancel the effect of other isearch command.
If search string is empty, just beep."
(interactive "p")
(if (= 0 (length isearch-string))
(ding)
- (setq isearch-string (substring isearch-string 0 (- (or arg 1)))
+ (setq isearch-string (substring isearch-string 0
+ (- (min (or arg 1)
+ (length isearch-string))))
isearch-message (mapconcat 'isearch-text-char-description
isearch-string "")))
;; Use the isearch-other-end as new starting point to be able
;; to find the remaining part of the search string again.
+ ;; This is like what `isearch-search-and-update' does,
+ ;; but currently it doesn't support deletion of characters
+ ;; for the case where unsuccessful search may become successful
+ ;; by deletion of characters.
(if isearch-other-end (goto-char isearch-other-end))
(isearch-search)
(isearch-push-state)
(forward-word 1))
(forward-char 1)) (point))))
-(defun isearch-yank-word ()
+(defun isearch-yank-word (&optional arg)
"Pull next word from buffer into search string."
- (interactive)
- (isearch-yank-internal (lambda () (forward-word 1) (point))))
+ (interactive "p")
+ (isearch-yank-internal (lambda () (forward-word arg) (point))))
-(defun isearch-yank-line ()
+(defun isearch-yank-line (&optional arg)
"Pull rest of line from buffer into search string."
- (interactive)
+ (interactive "p")
(isearch-yank-internal
(lambda () (let ((inhibit-field-text-motion t))
- (line-end-position (if (eolp) 2 1))))))
+ (line-end-position (if (eolp) (1+ arg) arg))))))
+
+(defun isearch-char-by-name (&optional count)
+ "Read a character by its Unicode name and add it to the search string.
+Completion is available like in `read-char-by-name' used by `insert-char'.
+With argument, add COUNT copies of the character."
+ (interactive "p")
+ (with-isearch-suspended
+ (let ((char (read-char-by-name "Add character to search (Unicode name or hex): ")))
+ (when char
+ (let ((string (if (and (integerp count) (> count 1))
+ (make-string count char)
+ (char-to-string char))))
+ (setq isearch-new-string (concat isearch-string string)
+ isearch-new-message (concat isearch-message
+ (mapconcat 'isearch-text-char-description
+ string ""))))))))
(defun isearch-search-and-update ()
;; Do the search and update the display.
:type 'boolean
:group 'isearch)
+(defcustom isearch-allow-prefix t
+ "Whether prefix arguments are allowed during incremental search.
+If non-nil, entering a prefix argument will not terminate the
+search. This option is ignored \(presumed t) when
+`isearch-allow-scroll' is set."
+ :version "24.4"
+ :type 'boolean
+ :group 'isearch)
+
(defun isearch-string-out-of-window (isearch-point)
"Test whether the search string is currently outside of the window.
Return nil if it's completely visible, or if point is visible,
Return the key sequence as a string/vector."
(isearch-unread-key-sequence keylist)
(let (overriding-terminal-local-map)
- (read-key-sequence nil))) ; This will go through function-key-map, if nec.
+ ;; This will go through function-key-map, if nec.
+ ;; The arg DONT-DOWNCASE-LAST prevents premature shift-translation.
+ (read-key-sequence nil nil t)))
(defun isearch-lookup-scroll-key (key-seq)
"If KEY-SEQ is bound to a scrolling command, return it as a symbol.
(lookup-key local-function-key-map key)))
(while keylist
(setq key (car keylist))
+ ;; Handle an undefined shifted printing character
+ ;; by downshifting it if that makes it printing.
+ ;; (As read-key-sequence would normally do,
+ ;; if we didn't have a default definition.)
+ (if (and (integerp key)
+ (memq 'shift (event-modifiers key))
+ (>= key (+ ?\s (- ?\S-a ?a)))
+ (/= key (+ 127 (- ?\S-a ?a)))
+ (< key (+ 256 (- ?\S-a ?a))))
+ (setq key (- key (- ?\S-a ?a))))
;; If KEY is a printing char, we handle it here
;; directly to avoid the input method and keyboard
;; coding system translating it.
(setq prefix-arg arg)
(apply 'isearch-unread keylist)
(isearch-edit-string))
- ;; Handle a scrolling function.
- ((and isearch-allow-scroll
- (progn (setq key (isearch-reread-key-sequence-naturally keylist))
- (setq keylist (listify-key-sequence key))
- (setq main-event (aref key 0))
- (setq scroll-command (isearch-lookup-scroll-key key))))
+ ;; Handle a scrolling function or prefix argument.
+ ((progn
+ (setq key (isearch-reread-key-sequence-naturally keylist)
+ keylist (listify-key-sequence key)
+ main-event (aref key 0))
+ (or (and isearch-allow-scroll
+ (setq scroll-command (isearch-lookup-scroll-key key)))
+ (and isearch-allow-prefix
+ (let (overriding-terminal-local-map)
+ (setq scroll-command (key-binding key))
+ (memq scroll-command
+ '(universal-argument
+ negative-argument digit-argument))))))
;; From this point onwards, KEY, KEYLIST and MAIN-EVENT hold a
;; complete key sequence, possibly as modified by function-key-map,
;; not merely the one or two event fragment which invoked
(isearch-unread-key-sequence keylist)
(setq main-event (car unread-command-events))
+ ;; Don't store special commands in the keyboard macro.
+ (let (overriding-terminal-local-map)
+ (when (memq (key-binding key)
+ '(kmacro-start-macro
+ kmacro-end-macro kmacro-end-and-call-macro))
+ (cancel-kbd-macro-events)))
+
;; If we got a mouse click event, that event contains the
;; window clicked on. maybe it was read with the buffer
;; it was clicked on. If so, that buffer, not the current one,
(t;; otherwise nil
(isearch-process-search-string key key)))))
-(defun isearch-quote-char ()
- "Quote special characters for incremental search."
- (interactive)
+(defun isearch-quote-char (&optional count)
+ "Quote special characters for incremental search.
+With argument, add COUNT copies of the character."
+ (interactive "p")
(let ((char (read-quoted-char (isearch-message t))))
;; Assume character codes 0200 - 0377 stand for characters in some
;; single-byte character set, and convert them to Emacs
(if (and isearch-regexp isearch-regexp-lax-whitespace (= char ?\s))
(if (subregexp-context-p isearch-string (length isearch-string))
(isearch-process-search-string "[ ]" " ")
- (isearch-process-search-char char))
- (and enable-multibyte-characters
- (>= char ?\200)
- (<= char ?\377)
- (setq char (unibyte-char-to-multibyte char)))
- (isearch-process-search-char char))))
-
-(defun isearch-printing-char ()
- "Add this ordinary printing character to the search string and search."
- (interactive)
- (let ((char last-command-event))
+ (isearch-process-search-char char count))
+ ;; This used to assume character codes 0240 - 0377 stand for
+ ;; characters in some single-byte character set, and converted them
+ ;; to Emacs characters. But in 23.1 this feature is deprecated
+ ;; in favor of inserting the corresponding Unicode characters.
+ ;; (and enable-multibyte-characters
+ ;; (>= char ?\200)
+ ;; (<= char ?\377)
+ ;; (setq char (unibyte-char-to-multibyte char)))
+ (isearch-process-search-char char count))))
+
+(defun isearch-printing-char (&optional char count)
+ "Add this ordinary printing CHAR to the search string and search.
+With argument, add COUNT copies of the character."
+ (interactive (list last-command-event
+ (prefix-numeric-value current-prefix-arg)))
+ (let ((char (or char last-command-event)))
(if (= char ?\S-\ )
(setq char ?\s))
(if current-input-method
- (isearch-process-search-multibyte-characters char)
- (isearch-process-search-char char))))
+ (isearch-process-search-multibyte-characters char count)
+ (isearch-process-search-char char count))))
-(defun isearch-process-search-char (char)
+(defun isearch-process-search-char (char &optional count)
;; * and ? are special in regexps when not preceded by \.
;; } and | are special in regexps when preceded by \.
;; Nothing special for + because it matches at least once.
((eq char ?\}) (isearch-fallback t t))
((eq char ?|) (isearch-fallback t nil t)))
- ;; Append the char to the search string, update the message and re-search.
- (isearch-process-search-string
- (char-to-string char)
- (if (>= char ?\200)
- (char-to-string char)
- (isearch-text-char-description char))))
+ ;; Append the char(s) to the search string,
+ ;; update the message and re-search.
+ (let* ((string (if (and (integerp count) (> count 1))
+ (make-string count char)
+ (char-to-string char)))
+ (message (if (>= char ?\200)
+ string
+ (mapconcat 'isearch-text-char-description string ""))))
+ (isearch-process-search-string string message)))
(defun isearch-process-search-string (string message)
(setq isearch-string (concat isearch-string string)
(< (point) isearch-opoint)))
"over")
(if isearch-wrapped "wrapped ")
+ (let ((prefix ""))
+ (advice-function-mapc
+ (lambda (_ props)
+ (let ((np (cdr (assq 'isearch-message-prefix props))))
+ (if np (setq prefix (concat np prefix)))))
+ isearch-filter-predicate)
+ prefix)
(if isearch-word
(or (and (symbolp isearch-word)
(get isearch-word 'isearch-message-prefix))
(setq isearch-case-fold-search
(isearch-no-upper-case-p isearch-string isearch-regexp)))
(condition-case lossage
- (let ((inhibit-point-motion-hooks
- ;; FIXME: equality comparisons on functions is asking for trouble.
- (and (eq isearch-filter-predicate 'isearch-filter-visible)
- search-invisible))
+ (let ((inhibit-point-motion-hooks isearch-invisible)
(inhibit-quit nil)
(case-fold-search isearch-case-fold-search)
+ (search-invisible isearch-invisible)
(retry t))
(setq isearch-error nil)
(while retry
(invalid-regexp
(setq isearch-error (car (cdr lossage)))
- (if (string-match
- "\\`Premature \\|\\`Unmatched \\|\\`Invalid "
- isearch-error)
- (setq isearch-error "incomplete input")))
+ (cond
+ ((string-match
+ "\\`Premature \\|\\`Unmatched \\|\\`Invalid "
+ isearch-error)
+ (setq isearch-error "incomplete input"))
+ ((and (not isearch-regexp)
+ (string-match "\\`Regular expression too big" isearch-error))
+ (cond
+ (isearch-word
+ (setq isearch-error "Too many words"))
+ ((and isearch-lax-whitespace search-whitespace-regexp)
+ (setq isearch-error "Too many spaces for whitespace matching"))))))
(search-failed
(setq isearch-success nil)
(setq isearch-lazy-highlight-window (selected-window)
isearch-lazy-highlight-window-start (window-start)
isearch-lazy-highlight-window-end (window-end)
- isearch-lazy-highlight-start (point)
- isearch-lazy-highlight-end (point)
+ ;; Start lazy-highlighting at the beginning of the found
+ ;; match (`isearch-other-end'). If no match, use point.
+ ;; One of the next two variables (depending on search direction)
+ ;; is used to define the starting position of lazy-highlighting
+ ;; and also to remember the current position of point between
+ ;; calls of `isearch-lazy-highlight-update', and another variable
+ ;; is used to define where the wrapped search must stop.
+ isearch-lazy-highlight-start (or isearch-other-end (point))
+ isearch-lazy-highlight-end (or isearch-other-end (point))
isearch-lazy-highlight-wrapped nil
isearch-lazy-highlight-last-string isearch-string
isearch-lazy-highlight-case-fold-search isearch-case-fold-search
(overlay-put ov 'priority 1000)
(overlay-put ov 'face lazy-highlight-face)
(overlay-put ov 'window (selected-window))))
+ ;; Remember the current position of point for
+ ;; the next call of `isearch-lazy-highlight-update'
+ ;; when `lazy-highlight-max-at-a-time' is too small.
(if isearch-lazy-highlight-forward
(setq isearch-lazy-highlight-end (point))
(setq isearch-lazy-highlight-start (point)))))