;;; Code:
+(eval-when-compile (require 'cl-lib))
\f
;; Some additional options and constants.
;; Make function keys, etc, which aren't bound to a scrolling-function
;; exit the search.
(define-key map [t] 'isearch-other-control-char)
- ;; Control chars, by default, end isearch mode transparently.
- ;; We need these explicit definitions because, in a dense keymap,
- ;; the binding for t does not affect characters.
- ;; We use a dense keymap to save space.
- (while (< i ?\s)
- (define-key map (make-string 1 i) 'isearch-other-control-char)
- (setq i (1+ i)))
;; Single-byte printing chars extend the search string by default.
(setq i ?\s)
;; default local key binding for any key not otherwise bound.
(let ((meta-map (make-sparse-keymap)))
(define-key map (char-to-string meta-prefix-char) meta-map)
- (define-key map [escape] meta-map))
- (define-key map (vector meta-prefix-char t) 'isearch-other-meta-char)
+ (define-key map [escape] meta-map)
+ (define-key meta-map [t] 'isearch-other-meta-char))
;; Several non-printing chars change the searching behavior.
(define-key map "\C-s" 'isearch-repeat-forward)
(before (if (bobp) nil
(get-text-property (1- (point)) 'intangible))))
(when (and before after (eq before after))
- (if isearch-forward
- (goto-char (next-single-property-change (point) 'intangible))
- (goto-char (previous-single-property-change (point) 'intangible)))))
+ (goto-char
+ (if isearch-forward
+ (next-single-property-change (point) 'intangible)
+ (previous-single-property-change (point) 'intangible)))))
(if (and (> (length isearch-string) 0) (not nopush))
;; Update the ring data.
\f
;; The search status structure and stack.
-(defsubst isearch-string-state (frame)
- "Return the search string in FRAME."
- (aref frame 0))
-(defsubst isearch-message-state (frame)
- "Return the search string to display to the user in FRAME."
- (aref frame 1))
-(defsubst isearch-point-state (frame)
- "Return the point in FRAME."
- (aref frame 2))
-(defsubst isearch-success-state (frame)
- "Return the success flag in FRAME."
- (aref frame 3))
-(defsubst isearch-forward-state (frame)
- "Return the searching-forward flag in FRAME."
- (aref frame 4))
-(defsubst isearch-other-end-state (frame)
- "Return the other end of the match in FRAME."
- (aref frame 5))
-(defsubst isearch-word-state (frame)
- "Return the search-by-word flag in FRAME."
- (aref frame 6))
-(defsubst isearch-error-state (frame)
- "Return the regexp error message in FRAME, or nil if its regexp is valid."
- (aref frame 7))
-(defsubst isearch-wrapped-state (frame)
- "Return the search-wrapped flag in FRAME."
- (aref frame 8))
-(defsubst isearch-barrier-state (frame)
- "Return the barrier value in FRAME."
- (aref frame 9))
-(defsubst isearch-case-fold-search-state (frame)
- "Return the case-folding flag in FRAME."
- (aref frame 10))
-(defsubst isearch-pop-fun-state (frame)
- "Return the function restoring the mode-specific Isearch state in FRAME."
- (aref frame 11))
-
-(defun isearch-top-state ()
- (let ((cmd (car isearch-cmds)))
- (setq isearch-string (isearch-string-state cmd)
- isearch-message (isearch-message-state cmd)
- isearch-success (isearch-success-state cmd)
- isearch-forward (isearch-forward-state cmd)
- isearch-other-end (isearch-other-end-state cmd)
- isearch-word (isearch-word-state cmd)
- isearch-error (isearch-error-state cmd)
- isearch-wrapped (isearch-wrapped-state cmd)
- isearch-barrier (isearch-barrier-state cmd)
- isearch-case-fold-search (isearch-case-fold-search-state cmd))
- (if (functionp (isearch-pop-fun-state cmd))
- (funcall (isearch-pop-fun-state cmd) cmd))
- (goto-char (isearch-point-state cmd))))
+(cl-defstruct (isearch--state
+ (:constructor nil)
+ (:copier nil)
+ (:constructor isearch--get-state
+ (&aux
+ (string isearch-string)
+ (message isearch-message)
+ (point (point))
+ (success isearch-success)
+ (forward isearch-forward)
+ (other-end isearch-other-end)
+ (word isearch-word)
+ (error isearch-error)
+ (wrapped isearch-wrapped)
+ (barrier isearch-barrier)
+ (case-fold-search isearch-case-fold-search)
+ (pop-fun (if isearch-push-state-function
+ (funcall isearch-push-state-function))))))
+ (string :read-only t)
+ (message :read-only t)
+ (point :read-only t)
+ (success :read-only t)
+ (forward :read-only t)
+ (other-end :read-only t)
+ (word :read-only t)
+ (error :read-only t)
+ (wrapped :read-only t)
+ (barrier :read-only t)
+ (case-fold-search :read-only t)
+ (pop-fun :read-only t))
+
+(defun isearch--set-state (cmd)
+ (setq isearch-string (isearch--state-string cmd)
+ isearch-message (isearch--state-message cmd)
+ isearch-success (isearch--state-success cmd)
+ isearch-forward (isearch--state-forward cmd)
+ isearch-other-end (isearch--state-other-end cmd)
+ isearch-word (isearch--state-word cmd)
+ isearch-error (isearch--state-error cmd)
+ isearch-wrapped (isearch--state-wrapped cmd)
+ isearch-barrier (isearch--state-barrier cmd)
+ isearch-case-fold-search (isearch--state-case-fold-search cmd))
+ (if (functionp (isearch--state-pop-fun cmd))
+ (funcall (isearch--state-pop-fun cmd) cmd))
+ (goto-char (isearch--state-point cmd)))
(defun isearch-pop-state ()
(setq isearch-cmds (cdr isearch-cmds))
- (isearch-top-state))
+ (isearch--set-state (car isearch-cmds)))
(defun isearch-push-state ()
- (setq isearch-cmds
- (cons (vector isearch-string isearch-message (point)
- isearch-success isearch-forward isearch-other-end
- isearch-word
- isearch-error isearch-wrapped isearch-barrier
- isearch-case-fold-search
- (if isearch-push-state-function
- (funcall isearch-push-state-function)))
- isearch-cmds)))
+ (push (isearch--get-state) isearch-cmds))
\f
;; Commands active while inside of the isearch minor mode.
(curr-msg (if msg isearch-message isearch-string))
succ-msg)
(when (or (not isearch-success) isearch-error)
- (while (or (not (isearch-success-state (car cmds)))
- (isearch-error-state (car cmds)))
+ (while (or (not (isearch--state-success (car cmds)))
+ (isearch--state-error (car cmds)))
(pop cmds))
- (setq succ-msg (and cmds (if msg (isearch-message-state (car cmds))
- (isearch-string-state (car cmds)))))
+ (setq succ-msg (and cmds (if msg (isearch--state-message (car cmds))
+ (isearch--state-string (car cmds)))))
(if (and (stringp succ-msg)
(< (length succ-msg) (length curr-msg))
(equal succ-msg
(minibuffer-history-symbol))
(setq isearch-new-string
(read-from-minibuffer
- (isearch-message-prefix nil nil isearch-nonincremental)
+ (isearch-message-prefix nil isearch-nonincremental)
(cons isearch-string (1+ (or (isearch-fail-pos)
(length isearch-string))))
minibuffer-local-isearch-map nil
;; For defined push-state function, restore the first state.
;; This calls pop-state function and restores original point.
(let ((isearch-cmds (last isearch-cmds)))
- (isearch-top-state))
+ (isearch--set-state (car isearch-cmds)))
(goto-char isearch-opoint))
- (isearch-done t) ; exit isearch
+ (isearch-done t) ; Exit isearch..
(isearch-clean-overlays)
- (signal 'quit nil)) ; and pass on quit signal
+ (signal 'quit nil)) ; ..and pass on quit signal.
(defun isearch-abort ()
"Abort incremental search mode if searching is successful, signaling quit.
Otherwise, revert to previous successful search and continue searching.
Use `isearch-exit' to quit without signaling."
(interactive)
-;; (ding) signal instead below, if quitting
+ ;; (ding) signal instead below, if quitting
(discard-input)
(if (and isearch-success (not isearch-error))
;; If search is successful and has no incomplete regexp,
(if (null (if isearch-regexp regexp-search-ring search-ring))
(setq isearch-error "No previous search string")
(setq isearch-string
- (if isearch-regexp
- (car regexp-search-ring)
- (car search-ring))
+ (car (if isearch-regexp regexp-search-ring search-ring))
isearch-message
(mapconcat 'isearch-text-char-description
isearch-string "")
(defun isearch-toggle-word ()
"Toggle word searching on or off."
+ ;; The status stack is left unchanged.
(interactive)
(setq isearch-word (not isearch-word))
+ (if isearch-word (setq isearch-regexp nil))
(setq isearch-success t isearch-adjusted t)
(isearch-update))
(if isearch-case-fold-search nil 'yes))
(let ((message-log-max nil))
(message "%s%s [case %ssensitive]"
- (isearch-message-prefix nil nil isearch-nonincremental)
+ (isearch-message-prefix nil isearch-nonincremental)
isearch-message
(if isearch-case-fold-search "in" "")))
(setq isearch-success t isearch-adjusted t)
;; We have to check 2 stack frames because the last might be
;; invalid just because of a backslash.
(or (not isearch-error)
- (not (isearch-error-state (cadr isearch-cmds)))
+ (not (isearch--state-error (cadr isearch-cmds)))
allow-invalid))
(if to-barrier
(progn (goto-char isearch-barrier)
;; Also skip over postfix operators -- though horrid,
;; 'ab?\{5,6\}+\{1,2\}*' is perfectly valid.
(while (and previous
- (or (isearch-error-state frame)
- (let* ((string (isearch-string-state frame))
+ (or (isearch--state-error frame)
+ (let* ((string (isearch--state-string frame))
(lchar (aref string (1- (length string)))))
;; The operators aren't always operators; check
;; backslashes. This doesn't handle the case of
;; being special, but then we should fall back to
;; the barrier anyway because it's all optional.
(if (isearch-backslash
- (isearch-string-state (car previous)))
+ (isearch--state-string (car previous)))
(eq lchar ?\})
(memq lchar '(?* ?? ?+))))))
(setq stack previous previous (cdr previous) frame (car stack)))
;; what matched before that.
(let ((last-other-end
(or (and (car previous)
- (isearch-other-end-state (car previous)))
+ (isearch--state-other-end (car previous)))
isearch-barrier)))
(goto-char (if isearch-forward
(max last-other-end isearch-barrier)
(add-text-properties (match-beginning 0) (match-end 0)
'(face trailing-whitespace) m)))
(setq m (concat
- (isearch-message-prefix c-q-hack ellipsis isearch-nonincremental)
+ (isearch-message-prefix ellipsis isearch-nonincremental)
m
- (isearch-message-suffix c-q-hack ellipsis)))
+ (isearch-message-suffix c-q-hack)))
(if c-q-hack m (let ((message-log-max nil)) (message "%s" m)))))
-(defun isearch-message-prefix (&optional _c-q-hack ellipsis nonincremental)
+(defun isearch-message-prefix (&optional ellipsis nonincremental)
;; If about to search, and previous search regexp was invalid,
;; check that it still is. If it is valid now,
;; let the message we display while searching say that it is valid.
(propertize (concat (upcase (substring m 0 1)) (substring m 1))
'face 'minibuffer-prompt)))
-(defun isearch-message-suffix (&optional c-q-hack _ellipsis)
+(defun isearch-message-suffix (&optional c-q-hack)
(concat (if c-q-hack "^Q" "")
(if isearch-error
(concat " [" isearch-error "]")
;; (or when using nonincremental word isearch)
(let ((lax (not (or isearch-nonincremental
(eq (length isearch-string)
- (length (isearch-string-state (car isearch-cmds))))))))
+ (length (isearch--state-string
+ (car isearch-cmds))))))))
(funcall
(if isearch-forward #'re-search-forward #'re-search-backward)
(if (functionp isearch-word)
(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))
(inhibit-quit nil)
(if isearch-success
nil
;; Ding if failed this time after succeeding last time.
- (and (isearch-success-state (car isearch-cmds))
+ (and (isearch--state-success (car isearch-cmds))
(ding))
- (if (functionp (isearch-pop-fun-state (car isearch-cmds)))
- (funcall (isearch-pop-fun-state (car isearch-cmds)) (car isearch-cmds)))
- (goto-char (isearch-point-state (car isearch-cmds)))))
+ (if (functionp (isearch--state-pop-fun (car isearch-cmds)))
+ (funcall (isearch--state-pop-fun (car isearch-cmds))
+ (car isearch-cmds)))
+ (goto-char (isearch--state-point (car isearch-cmds)))))
;; Called when opening an overlay, and we are still in isearch.