(autoload 'widget-convert "wid-edit")
(autoload 'shell-mode "shell"))
+(defvar compilation-current-error)
+
(defcustom idle-update-delay 0.5
"*Idle time delay before updating various things on the screen.
Various Emacs features that update auxiliary information when point moves
When turned on, cursor motion in the compilation, grep, occur or diff
buffer causes automatic display of the corresponding source code
location."
- :group 'next-error :init-value " Fol"
+ :group 'next-error :init-value nil :lighter " Fol"
(if (not next-error-follow-minor-mode)
(remove-hook 'post-command-hook 'next-error-follow-mode-post-command-hook t)
(add-hook 'post-command-hook 'next-error-follow-mode-post-command-hook nil t)
:group 'paren-blinking)
(defcustom blink-matching-paren-distance (* 25 1024)
- "*If non-nil, is maximum distance to search for matching open-paren."
- :type 'integer
+ "*If non-nil, maximum distance to search backwards for matching open-paren.
+If nil, search stops at the beginning of the accessible portion of the buffer."
+ :type '(choice (const nil) integer)
:group 'paren-blinking)
(defcustom blink-matching-delay 1
(defun blink-matching-open ()
"Move cursor momentarily to the beginning of the sexp before point."
(interactive)
- (and (> (point) (1+ (point-min)))
- blink-matching-paren
- ;; Verify an even number of quoting characters precede the close.
- (= 1 (logand 1 (- (point)
- (save-excursion
- (forward-char -1)
- (skip-syntax-backward "/\\")
- (point)))))
- (let* ((oldpos (point))
- (blinkpos)
- (mismatch)
- matching-paren)
- (save-excursion
- (save-restriction
- (if blink-matching-paren-distance
- (narrow-to-region (max (point-min)
- (- (point) blink-matching-paren-distance))
- oldpos))
- (condition-case ()
- (let ((parse-sexp-ignore-comments
- (and parse-sexp-ignore-comments
- (not blink-matching-paren-dont-ignore-comments))))
- (setq blinkpos (scan-sexps oldpos -1)))
- (error nil)))
- (and blinkpos
- ;; Not syntax '$'.
- (not (eq (syntax-class (syntax-after blinkpos)) 8))
- (setq matching-paren
- (let ((syntax (syntax-after blinkpos)))
- (and (consp syntax)
- (eq (syntax-class syntax) 4)
- (cdr syntax)))
- mismatch
- (or (null matching-paren)
- (/= (char-after (1- oldpos))
- matching-paren))))
- (if mismatch (setq blinkpos nil))
- (if blinkpos
- ;; Don't log messages about paren matching.
- (let (message-log-max)
- (goto-char blinkpos)
- (if (pos-visible-in-window-p)
- (and blink-matching-paren-on-screen
- (sit-for blink-matching-delay))
- (goto-char blinkpos)
- (message
- "Matches %s"
- ;; Show what precedes the open in its line, if anything.
- (if (save-excursion
- (skip-chars-backward " \t")
- (not (bolp)))
- (buffer-substring (progn (beginning-of-line) (point))
- (1+ blinkpos))
- ;; Show what follows the open in its line, if anything.
- (if (save-excursion
- (forward-char 1)
- (skip-chars-forward " \t")
- (not (eolp)))
- (buffer-substring blinkpos
- (progn (end-of-line) (point)))
- ;; Otherwise show the previous nonblank line,
- ;; if there is one.
- (if (save-excursion
- (skip-chars-backward "\n \t")
- (not (bobp)))
- (concat
- (buffer-substring (progn
+ (when (and (> (point) (1+ (point-min)))
+ blink-matching-paren
+ ;; Verify an even number of quoting characters precede the close.
+ (= 1 (logand 1 (- (point)
+ (save-excursion
+ (forward-char -1)
+ (skip-syntax-backward "/\\")
+ (point))))))
+ (let* ((oldpos (point))
+ blinkpos
+ message-log-max ; Don't log messages about paren matching.
+ matching-paren
+ open-paren-line-string)
+ (save-excursion
+ (save-restriction
+ (if blink-matching-paren-distance
+ (narrow-to-region (max (point-min)
+ (- (point) blink-matching-paren-distance))
+ oldpos))
+ (condition-case ()
+ (let ((parse-sexp-ignore-comments
+ (and parse-sexp-ignore-comments
+ (not blink-matching-paren-dont-ignore-comments))))
+ (setq blinkpos (scan-sexps oldpos -1)))
+ (error nil)))
+ (and blinkpos
+ ;; Not syntax '$'.
+ (not (eq (syntax-class (syntax-after blinkpos)) 8))
+ (setq matching-paren
+ (let ((syntax (syntax-after blinkpos)))
+ (and (consp syntax)
+ (eq (syntax-class syntax) 4)
+ (cdr syntax)))))
+ (cond
+ ((or (null matching-paren)
+ (/= (char-before oldpos)
+ matching-paren))
+ (message "Mismatched parentheses"))
+ ((not blinkpos)
+ (if (not blink-matching-paren-distance)
+ (message "Unmatched parenthesis")))
+ ((pos-visible-in-window-p blinkpos)
+ ;; Matching open within window, temporarily move to blinkpos but only
+ ;; if `blink-matching-paren-on-screen' is non-nil.
+ (when blink-matching-paren-on-screen
+ (save-excursion
+ (goto-char blinkpos)
+ (sit-for blink-matching-delay))))
+ (t
+ (save-excursion
+ (goto-char blinkpos)
+ (setq open-paren-line-string
+ ;; Show what precedes the open in its line, if anything.
+ (if (save-excursion
+ (skip-chars-backward " \t")
+ (not (bolp)))
+ (buffer-substring (line-beginning-position)
+ (1+ blinkpos))
+ ;; Show what follows the open in its line, if anything.
+ (if (save-excursion
+ (forward-char 1)
+ (skip-chars-forward " \t")
+ (not (eolp)))
+ (buffer-substring blinkpos
+ (line-end-position))
+ ;; Otherwise show the previous nonblank line,
+ ;; if there is one.
+ (if (save-excursion
+ (skip-chars-backward "\n \t")
+ (not (bobp)))
+ (concat
+ (buffer-substring (progn
(skip-chars-backward "\n \t")
- (beginning-of-line)
- (point))
- (progn (end-of-line)
- (skip-chars-backward " \t")
- (point)))
- ;; Replace the newline and other whitespace with `...'.
- "..."
- (buffer-substring blinkpos (1+ blinkpos)))
- ;; There is nothing to show except the char itself.
- (buffer-substring blinkpos (1+ blinkpos))))))))
- (cond (mismatch
- (message "Mismatched parentheses"))
- ((not blink-matching-paren-distance)
- (message "Unmatched parenthesis"))))))))
+ (line-beginning-position))
+ (progn (end-of-line)
+ (skip-chars-backward " \t")
+ (point)))
+ ;; Replace the newline and other whitespace with `...'.
+ "..."
+ (buffer-substring blinkpos (1+ blinkpos)))
+ ;; There is nothing to show except the char itself.
+ (buffer-substring blinkpos (1+ blinkpos)))))))
+ (message "Matches %s"
+ (substring-no-properties open-paren-line-string))))))))
;Turned off because it makes dbx bomb out.
(setq blink-paren-function 'blink-matching-open)