;;; cc-cmds.el --- user level commands for CC Mode
-;; Copyright (C) 1985, 1987, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
-;; 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
+;; Copyright (C) 1985, 1987, 1992-2011
;; Free Software Foundation, Inc.
;; Authors: 2003- Alan Mackenzie
;; 1985 Richard M. Stallman
;; Maintainer: bug-cc-mode@gnu.org
;; Created: 22-Apr-1997 (split from cc-mode.el)
-;; Version: See cc-mode.el
-;; Keywords: c languages oop
+;; Keywords: c languages
+;; Package: cc-mode
;; This file is part of GNU Emacs.
(cc-bytecomp-defun delete-forward-p) ; XEmacs
(cc-bytecomp-defvar filladapt-mode) ; c-fill-paragraph contains a kludge
; which looks at this.
-(cc-bytecomp-defun c-forward-subword)
-(cc-bytecomp-defun c-backward-subword)
\f
;; Indentation / Display syntax functions
(defvar c-fix-backslashes t)
"a" "")
(if c-hungry-delete-key "h" "")
(if (and
- ;; cc-subword might not be loaded.
- (boundp 'c-subword-mode)
- (symbol-value 'c-subword-mode))
+ ;; subword might not be loaded.
+ (boundp 'subword-mode)
+ (symbol-value 'subword-mode))
"w"
"")))
+ ;; FIXME: Derived modes might want to use something else
+ ;; than a string for `mode-name'.
(bare-mode-name (if (string-match "\\(^[^/]*\\)/" mode-name)
- (substring mode-name (match-beginning 1) (match-end 1))
+ (match-string 1 mode-name)
mode-name)))
;; (setq c-submode-indicators
;; (if (> (length fmt) 1)
(c-keep-region-active))
(defalias 'c-toggle-auto-state 'c-toggle-auto-newline)
-(make-obsolete 'c-toggle-auto-state 'c-toggle-auto-newline)
+(make-obsolete 'c-toggle-auto-state 'c-toggle-auto-newline "22.1")
(defun c-toggle-hungry-state (&optional arg)
"Toggle hungry-delete-key feature.
(interactive "*P")
(let ((c-echo-syntactic-information-p nil)
- final-pos close-paren-inserted)
+ final-pos close-paren-inserted found-delim)
(self-insert-command (prefix-numeric-value arg))
(setq final-pos (point))
- (c-save-buffer-state (c-parse-and-markup-<>-arglists
- c-restricted-<>-arglists
- <-pos)
+;;;; 2010-01-31: There used to be code here to put a syntax-table text
+;;;; property on the new < or > and its mate (if any) when they are template
+;;;; parens. This is now done in an after-change function.
- (when c-recognize-<>-arglists
- (if (eq last-command-event ?<)
- (when (and (progn
- (backward-char)
- (= (point)
- (progn
- (c-beginning-of-current-token)
- (point))))
+ ;; Indent the line if appropriate.
+ (when (and c-electric-flag c-syntactic-indentation c-recognize-<>-arglists)
+ (setq found-delim
+ (if (eq last-command-event ?<)
+ ;; If a <, basically see if it's got "template" before it .....
+ (or (and (progn
+ (backward-char)
+ (= (point)
+ (progn (c-beginning-of-current-token) (point))))
+ (progn
+ (c-backward-token-2)
+ (looking-at c-opt-<>-sexp-key)))
+ ;; ..... or is a C++ << operator.
+ (and (c-major-mode-is 'c++-mode)
+ (progn
+ (goto-char (1- final-pos))
+ (c-beginning-of-current-token)
+ (looking-at "<<"))
+ (>= (match-end 0) final-pos)))
+
+ ;; It's a >. Either a C++ >> operator. ......
+ (or (and (c-major-mode-is 'c++-mode)
(progn
- (c-backward-token-2)
- (looking-at c-opt-<>-sexp-key)))
- (c-mark-<-as-paren (1- final-pos)))
-
- ;; It's a ">". Check if there's an earlier "<" which either has
- ;; open paren syntax already or that can be recognized as an arglist
- ;; together with this ">". Note that this won't work in cases like
- ;; "template <x, a < b, y>" but they ought to be rare.
-
- (save-restriction
- ;; Narrow to avoid that `c-forward-<>-arglist' below searches past
- ;; our position.
- (narrow-to-region (point-min) final-pos)
-
- (while (and
- (progn
- (goto-char final-pos)
- (c-syntactic-skip-backward "^<;}" nil t)
- (eq (char-before) ?<))
- (progn
- (backward-char)
- ;; If the "<" already got open paren syntax we know we
- ;; have the matching closer. Handle it and exit the
- ;; loop.
- (if (looking-at "\\s\(")
- (progn
- (c-mark->-as-paren (1- final-pos))
- (setq close-paren-inserted t)
- nil)
- t))
+ (goto-char (1- final-pos))
+ (c-beginning-of-current-token)
+ (looking-at ">>"))
+ (>= (match-end 0) final-pos))
+ ;; ...., or search back for a < which isn't already marked as an
+ ;; opening template delimiter.
+ (save-restriction
+ (widen)
+ ;; Narrow to avoid `c-forward-<>-arglist' below searching past
+ ;; our position.
+ (narrow-to-region (point-min) final-pos)
+ (goto-char final-pos)
+ (while
+ (and
+ (progn
+ (c-syntactic-skip-backward "^<;}" nil t)
+ (eq (char-before) ?<))
+ (progn
+ (backward-char)
+ (looking-at "\\s\("))))
+ (and (eq (char-after) ?<)
+ (not (looking-at "\\s\("))
+ (progn (c-backward-syntactic-ws)
+ (c-simple-skip-symbol-backward))
+ (or (looking-at c-opt-<>-sexp-key)
+ (not (looking-at c-keywords-regexp)))))))))
- (progn
- (setq <-pos (point))
- (c-backward-syntactic-ws)
- (c-simple-skip-symbol-backward))
- (or (looking-at c-opt-<>-sexp-key)
- (not (looking-at c-keywords-regexp)))
-
- (let ((c-parse-and-markup-<>-arglists t)
- c-restricted-<>-arglists
- (containing-sexp
- (c-most-enclosing-brace (c-parse-state))))
- (when (and containing-sexp
- (progn (goto-char containing-sexp)
- (eq (char-after) ?\())
- (not (eq (get-text-property (point) 'c-type)
- 'c-decl-arg-start)))
- (setq c-restricted-<>-arglists t))
- (goto-char <-pos)
- (c-forward-<>-arglist nil))
-
- ;; Loop here if the "<" we found above belongs to a nested
- ;; angle bracket sexp. When we start over we'll find the
- ;; previous or surrounding sexp.
- (if (< (point) final-pos)
- t
- (setq close-paren-inserted t)
- nil)))))))
(goto-char final-pos)
-
- ;; Indent the line if appropriate.
- (when (and c-electric-flag c-syntactic-indentation)
- (backward-char)
- (when (prog1 (or (looking-at "\\s\(\\|\\s\)")
- (and (c-major-mode-is 'c++-mode)
- (progn
- (c-beginning-of-current-token)
- (looking-at "<<\\|>>"))
- (= (match-end 0) final-pos)))
- (goto-char final-pos))
- (indent-according-to-mode)))
-
- (when (and close-paren-inserted
- (not executing-kbd-macro)
- blink-paren-function)
- ;; Note: Most paren blink functions, such as the standard
- ;; `blink-matching-open', currently doesn't handle paren chars
- ;; marked with text properties very well. Maybe we should avoid
- ;; this call for the time being?
- (funcall blink-paren-function))))
+ (when found-delim
+ (indent-according-to-mode)
+ (when (and (eq (char-before) ?>)
+ (not executing-kbd-macro)
+ blink-paren-function)
+ ;; Note: Most paren blink functions, such as the standard
+ ;; `blink-matching-open', currently doesn't handle paren chars
+ ;; marked with text properties very well. Maybe we should avoid
+ ;; this call for the time being?
+ (funcall blink-paren-function)))))
(defun c-electric-paren (arg)
"Insert a parenthesis.
(delete-char -2)))))
\f
+
+(declare-function subword-forward "subword" (&optional arg))
+(declare-function subword-backward "subword" (&optional arg))
+
;; "nomenclature" functions + c-scope-operator.
(defun c-forward-into-nomenclature (&optional arg)
"Compatibility alias for `c-forward-subword'."
(interactive "p")
- (require 'cc-subword)
- (c-forward-subword arg))
-(make-obsolete 'c-forward-into-nomenclature 'c-forward-subword)
+ (require 'subword)
+ (subword-forward arg))
+(make-obsolete 'c-forward-into-nomenclature 'subword-forward "23.2")
(defun c-backward-into-nomenclature (&optional arg)
"Compatibility alias for `c-backward-subword'."
(interactive "p")
- (require 'cc-subword)
- (c-backward-subword arg))
-(make-obsolete 'c-backward-into-nomenclature 'c-backward-subword)
+ (require 'subword)
+ (subword-backward arg))
+(make-obsolete 'c-backward-into-nomenclature 'subword-backward "23.2")
(defun c-scope-operator ()
"Insert a double colon scope operator at point.
(interactive "p")
(or arg (setq arg 1))
+ (or (not (eq this-command 'c-beginning-of-defun))
+ (eq last-command 'c-beginning-of-defun)
+ (and transient-mark-mode mark-active)
+ (push-mark))
+
(c-save-buffer-state
(beginning-of-defun-function end-of-defun-function
(start (point))
(interactive "p")
(or arg (setq arg 1))
+ (or (not (eq this-command 'c-end-of-defun))
+ (eq last-command 'c-end-of-defun)
+ (and transient-mark-mode mark-active)
+ (push-mark))
+
(c-save-buffer-state
(beginning-of-defun-function end-of-defun-function
(start (point))
function stops at them when going backward, but not when going
forward."
(interactive "p")
- (c-forward-conditional (- count) -1)
+ (let ((new-point (c-scan-conditionals (- count) -1)))
+ (push-mark)
+ (goto-char new-point))
(c-keep-region-active))
(defun c-up-conditional-with-else (count)
Just like `c-up-conditional', except it also stops at \"#else\"
directives."
(interactive "p")
- (c-forward-conditional (- count) -1 t)
+ (let ((new-point (c-scan-conditionals (- count) -1 t)))
+ (push-mark)
+ (goto-char new-point))
(c-keep-region-active))
(defun c-down-conditional (count)
function stops at them when going forward, but not when going
backward."
(interactive "p")
- (c-forward-conditional count 1)
+ (let ((new-point (c-scan-conditionals count 1)))
+ (push-mark)
+ (goto-char new-point))
(c-keep-region-active))
(defun c-down-conditional-with-else (count)
Just like `c-down-conditional', except it also stops at \"#else\"
directives."
(interactive "p")
- (c-forward-conditional count 1 t)
+ (let ((new-point (c-scan-conditionals count 1 t)))
+ (push-mark)
+ (goto-char new-point))
(c-keep-region-active))
(defun c-backward-conditional (count &optional target-depth with-else)
"Move back across a preprocessor conditional, leaving mark behind.
A prefix argument acts as a repeat count. With a negative argument,
-move forward across a preprocessor conditional."
+move forward across a preprocessor conditional.
+
+The optional arguments TARGET-DEPTH and WITH-ELSE are historical,
+and have the same meanings as in `c-scan-conditionals'. If you
+are calling c-forward-conditional from a program, you might want
+to call `c-scan-conditionals' directly instead."
(interactive "p")
- (c-forward-conditional (- count) target-depth with-else)
+ (let ((new-point (c-scan-conditionals (- count) target-depth with-else)))
+ (push-mark)
+ (goto-char new-point))
(c-keep-region-active))
(defun c-forward-conditional (count &optional target-depth with-else)
A prefix argument acts as a repeat count. With a negative argument,
move backward across a preprocessor conditional.
+If there aren't enough conditionals after \(or before) point, an
+error is signalled.
+
+\"#elif\" is treated like \"#else\" followed by \"#if\", except that
+the nesting level isn't changed when tracking subconditionals.
+
+The optional arguments TARGET-DEPTH and WITH-ELSE are historical,
+and have the same meanings as in `c-scan-conditionals'. If you
+are calling c-forward-conditional from a program, you might want
+to call `c-scan-conditionals' directly instead."
+ (interactive "p")
+ (let ((new-point (c-scan-conditionals count target-depth with-else)))
+ (push-mark)
+ (goto-char new-point)))
+
+(defun c-scan-conditionals (count &optional target-depth with-else)
+ "Scan forward across COUNT preprocessor conditionals.
+With a negative argument, scan backward across preprocessor
+conditionals. Return the end position. Point is not moved.
+
+If there aren't enough preprocessor conditionals, throw an error.
+
\"#elif\" is treated like \"#else\" followed by \"#if\", except that
the nesting level isn't changed when tracking subconditionals.
The optional argument TARGET-DEPTH specifies the wanted nesting depth
-after each scan. I.e. if TARGET-DEPTH is -1, the function will move
-out of the enclosing conditional. A non-integer non-nil TARGET-DEPTH
+after each scan. E.g. if TARGET-DEPTH is -1, the end position will be
+outside the enclosing conditional. A non-integer non-nil TARGET-DEPTH
counts as -1.
If the optional argument WITH-ELSE is non-nil, \"#else\" directives
are treated as conditional clause limits. Normally they are ignored."
- (interactive "p")
(let* ((forward (> count 0))
(increment (if forward -1 1))
(search-function (if forward 're-search-forward 're-search-backward))
- (new))
+ new)
(unless (integerp target-depth)
(setq target-depth (if target-depth -1 0)))
(save-excursion
(error "No containing preprocessor conditional"))
(goto-char (setq new found)))
(setq count (+ count increment))))
- (push-mark)
- (goto-char new))
- (c-keep-region-active))
+ (c-keep-region-active)
+ new))
\f
;; commands to indent lines, regions, defuns, and expressions
;; "Invalid search bound (wrong side of point)"
;; error in the subsequent re-search. Maybe
;; another fix would be needed (2007-12-08).
- (and (> (- (cdr c-lit-limits) 2) (point))
- (search-forward-regexp
- (concat "\\=[ \t]*\\(" c-current-comment-prefix "\\)")
- (- (cdr c-lit-limits) 2) t)
- (not (search-forward-regexp
- "\\(\\s \\|\\sw\\)"
- (- (cdr c-lit-limits) 2) 'limit))
- ;; The comment ender IS on its own line. Exclude
- ;; this line from the filling.
- (set-marker end (c-point 'bol))))
+; (or (<= (- (cdr c-lit-limits) 2) (point))
+; 2010-10-17 Construct removed.
+; (or (< (- (cdr c-lit-limits) 2) (point))
+ (and
+ (search-forward-regexp
+ (concat "\\=[ \t]*\\(" c-current-comment-prefix "\\)")
+ (- (cdr c-lit-limits) 2) t)
+ (not (search-forward-regexp
+ "\\(\\s \\|\\sw\\)"
+ (- (cdr c-lit-limits) 2) 'limit))
+ ;; The comment ender IS on its own line. Exclude this
+ ;; line from the filling.
+ (set-marker end (c-point 'bol))));)
;; The comment ender is hanging. Replace all space between it
;; and the last word either by one or two 'x's (when
(goto-char ender-start)
(current-column)))
(point-rel (- ender-start here))
+ (sentence-ends-comment
+ (save-excursion
+ (goto-char ender-start)
+ (and (search-backward-regexp
+ (c-sentence-end) (c-point 'bol) t)
+ (goto-char (match-end 0))
+ (looking-at "[ \t]*")
+ (= (match-end 0) ender-start))))
spaces)
(save-excursion
(setq spaces
(max
(min spaces
- (if sentence-end-double-space 2 1))
+ (if (and sentence-ends-comment
+ sentence-end-double-space)
+ 2 1))
1)))
;; Insert the filler first to keep marks right.
(insert-char ?x spaces t)
(let ((fill-paragraph-function
;; Avoid infinite recursion.
(if (not (eq fill-paragraph-function 'c-fill-paragraph))
- fill-paragraph-function)))
- (c-mask-paragraph t nil 'fill-paragraph arg))
+ fill-paragraph-function))
+ (start-point (point-marker)))
+ (c-mask-paragraph
+ t nil (lambda () (fill-region-as-paragraph (point-min) (point-max) arg)))
+ (goto-char start-point))
;; Always return t. This has the effect that if filling isn't done
;; above, it isn't done at all, and it's therefore effectively
;; disabled in normal code.
(indent-to col))))))
(defalias 'c-comment-line-break-function 'c-indent-new-comment-line)
-(make-obsolete 'c-comment-line-break-function 'c-indent-new-comment-line)
+(make-obsolete 'c-comment-line-break-function 'c-indent-new-comment-line "21.1")
;; advice for indent-new-comment-line for older Emacsen
(unless (boundp 'comment-line-break-function)
\f
(cc-provide 'cc-cmds)
-;; arch-tag: bf0611dc-d1f4-449e-9e45-4ec7c6936677
;;; cc-cmds.el ends here