;; Copyright (C) 1985, 1986, 1987, 1993, 1994, 1995, 1996, 1997, 1998,
;; 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,
-;; 2010 Free Software Foundation, Inc.
+;; 2010, 2011 Free Software Foundation, Inc.
;; Maintainer: FSF
;; Keywords: internal
(define-derived-mode prog-mode fundamental-mode "Prog"
"Major mode for editing programming language source code."
(set (make-local-variable 'require-final-newline) mode-require-final-newline)
- (set (make-local-variable 'parse-sexp-ignore-comments) t))
+ (set (make-local-variable 'parse-sexp-ignore-comments) t)
+ ;; Any programming language is always written left to right.
+ (setq bidi-paragraph-direction 'left-to-right))
;; Making and deleting lines.
(interactive "*p")
(let* ((do-fill-prefix (and fill-prefix (bolp)))
(do-left-margin (and (bolp) (> (current-left-margin) 0)))
- (loc (point))
+ (loc (point-marker))
;; Don't expand an abbrev before point.
(abbrev-mode nil))
(newline n)
(constrain-to-field nil orig-pos)))))
(defun just-one-space (&optional n)
- "Delete all spaces and tabs around point, leaving one space (or N spaces)."
+ "Delete all spaces and tabs around point, leaving one space (or N spaces).
+If N is negative, delete newlines as well."
(interactive "*p")
- (let ((orig-pos (point)))
- (skip-chars-backward " \t")
+ (unless n (setq n 1))
+ (let ((orig-pos (point))
+ (skip-characters (if (< n 0) " \t\n\r" " \t"))
+ (n (abs n)))
+ (skip-chars-backward skip-characters)
(constrain-to-field nil orig-pos)
(dotimes (i (or n 1))
(if (= (following-char) ?\s)
(delete-region
(point)
(progn
- (skip-chars-forward " \t")
+ (skip-chars-forward skip-characters)
(constrain-to-field nil orig-pos t)))))
\f
(defun beginning-of-buffer (&optional arg)
(re-search-forward "[\n\C-m]" nil 'end (1- line))
(forward-line (1- line)))))
+(defun count-words-region (start end)
+ "Print the number of words in the region.
+When called interactively, the word count is printed in echo area."
+ (interactive "r")
+ (let ((count 0))
+ (save-excursion
+ (save-restriction
+ (narrow-to-region start end)
+ (goto-char (point-min))
+ (while (forward-word 1)
+ (setq count (1+ count)))))
+ (if (interactive-p)
+ (message "Region has %d words" count))
+ count))
+
(defun count-lines-region (start end)
"Print number of lines and characters in the region."
(interactive "r")
(error "Shell command in progress")))
(with-current-buffer buffer
(setq buffer-read-only nil)
- (erase-buffer)
+ ;; Setting buffer-read-only to nil doesn't suffice
+ ;; if some text has a non-nil read-only property,
+ ;; which comint sometimes adds for prompts.
+ (let ((inhibit-read-only t))
+ (erase-buffer))
(display-buffer buffer)
(setq default-directory directory)
(setq proc (start-process "Shell" buffer shell-file-name
Optional second argument REPLACE non-nil means that STRING will replace
the front of the kill ring, rather than being added to the list.
-Optional third arguments YANK-HANDLER controls how the STRING is later
-inserted into a buffer; see `insert-for-yank' for details.
-When a yank handler is specified, STRING must be non-empty (the yank
-handler, if non-nil, is stored as a `yank-handler' text property on STRING).
-
When `save-interprogram-paste-before-kill' and `interprogram-paste-function'
are non-nil, saves the interprogram paste string(s) into `kill-ring' before
STRING.
(setq kill-ring-yank-pointer kill-ring)
(if interprogram-cut-function
(funcall interprogram-cut-function string)))
+(set-advertised-calling-convention
+ 'kill-new '(string &optional replace) "23.3")
(defun kill-append (string before-p &optional yank-handler)
"Append STRING to the end of the latest kill in the kill ring.
If BEFORE-P is non-nil, prepend STRING to the kill.
-Optional third argument YANK-HANDLER, if non-nil, specifies the
-yank-handler text property to be set on the combined kill ring
-string. If the specified yank-handler arg differs from the
-yank-handler property of the latest kill string, this function
-adds the combined string to the kill ring as a new element,
-instead of replacing the last kill with it.
If `interprogram-cut-function' is set, pass the resulting kill to it."
(let* ((cur (car kill-ring)))
(kill-new (if before-p (concat string cur) (concat cur string))
(or (= (length cur) 0)
(equal yank-handler (get-text-property 0 'yank-handler cur)))
yank-handler)))
+(set-advertised-calling-convention 'kill-append '(string before-p) "23.3")
(defcustom yank-pop-change-selection nil
"If non-nil, rotating the kill ring changes the window system selection."
Any command that calls this function is a \"kill command\".
If the previous command was also a kill command,
the text killed this time appends to the text killed last time
-to make one entry in the kill ring.
-
-In Lisp code, optional third arg YANK-HANDLER, if non-nil,
-specifies the yank-handler text property to be set on the killed
-text. See `insert-for-yank'."
+to make one entry in the kill ring."
;; Pass point first, then mark, because the order matters
;; when calling kill-append.
(interactive (list (point) (mark)))
(barf-if-buffer-read-only)
;; If the buffer isn't read-only, the text is.
(signal 'text-read-only (list (current-buffer)))))))
+(set-advertised-calling-convention 'kill-region '(beg end) "23.3")
;; copy-region-as-kill no longer sets this-command, because it's confusing
;; to get two copies of the text when the user accidentally types M-w and
:version "23.2"
:group 'mail)
-(define-mail-user-agent 'sendmail-user-agent
- 'sendmail-user-agent-compose
- 'mail-send-and-exit)
-
(defun rfc822-goto-eoh ()
;; Go to header delimiter line in a mail message, following RFC822 rules
(goto-char (point-min))
"^\\([:\n]\\|[^: \t\n]+[ \t\n]\\)" nil 'move)
(goto-char (match-beginning 0))))
-(defun sendmail-user-agent-compose (&optional to subject other-headers continue
- switch-function yank-action
- send-actions)
- (if switch-function
- (let ((special-display-buffer-names nil)
- (special-display-regexps nil)
- (same-window-buffer-names nil)
- (same-window-regexps nil))
- (funcall switch-function "*mail*")))
- (let ((cc (cdr (assoc-string "cc" other-headers t)))
- (in-reply-to (cdr (assoc-string "in-reply-to" other-headers t)))
- (body (cdr (assoc-string "body" other-headers t))))
- (or (mail continue to subject in-reply-to cc yank-action send-actions)
- continue
- (error "Message aborted"))
- (save-excursion
- (rfc822-goto-eoh)
- (while other-headers
- (unless (member-ignore-case (car (car other-headers))
- '("in-reply-to" "cc" "body"))
- (insert (car (car other-headers)) ": "
- (cdr (car other-headers))
- (if use-hard-newlines hard-newline "\n")))
- (setq other-headers (cdr other-headers)))
- (when body
- (forward-line 1)
- (insert body))
- t)))
-
(defun compose-mail (&optional to subject other-headers continue
- switch-function yank-action send-actions)
+ switch-function yank-action send-actions
+ return-action)
"Start composing a mail message to send.
This uses the user's chosen mail composition package
as selected with the variable `mail-user-agent'.
original text has been inserted in this way.)
SEND-ACTIONS is a list of actions to call when the message is sent.
-Each action has the form (FUNCTION . ARGS)."
+Each action has the form (FUNCTION . ARGS).
+
+RETURN-ACTION, if non-nil, is an action for returning to the
+caller. It has the form (FUNCTION . ARGS). The function is
+called after the mail has been sent or put aside, and the mail
+buffer buried."
(interactive
(list nil nil nil current-prefix-arg))
warn-vars " "))))))
(let ((function (get mail-user-agent 'composefunc)))
- (funcall function to subject other-headers continue
- switch-function yank-action send-actions)))
+ (funcall function to subject other-headers continue switch-function
+ yank-action send-actions return-action)))
(defun compose-mail-other-window (&optional to subject other-headers continue
- yank-action send-actions)
+ yank-action send-actions
+ return-action)
"Like \\[compose-mail], but edit the outgoing message in another window."
- (interactive
- (list nil nil nil current-prefix-arg))
+ (interactive (list nil nil nil current-prefix-arg))
(compose-mail to subject other-headers continue
- 'switch-to-buffer-other-window yank-action send-actions))
-
+ 'switch-to-buffer-other-window yank-action send-actions
+ return-action))
(defun compose-mail-other-frame (&optional to subject other-headers continue
- yank-action send-actions)
+ yank-action send-actions
+ return-action)
"Like \\[compose-mail], but edit the outgoing message in another frame."
- (interactive
- (list nil nil nil current-prefix-arg))
+ (interactive (list nil nil nil current-prefix-arg))
(compose-mail to subject other-headers continue
- 'switch-to-buffer-other-frame yank-action send-actions))
+ 'switch-to-buffer-other-frame yank-action send-actions
+ return-action))
+
\f
(defvar set-variable-value-history nil
"History of values entered with `set-variable'.