;; This file is part of GNU Emacs.
-;; GNU Emacs is free software; you can redistribute it and/or modify
+;; GNU Emacs is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
-;; the Free Software Foundation; either version 3, or (at your option)
-;; any later version.
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
-;; along with this program; see the file COPYING. If not, write to
-;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-;; Boston, MA 02110-1301, USA.
+;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;;; Code:
+;; For Emacs < 22.2.
+(eval-and-compile
+ (unless (fboundp 'declare-function) (defmacro declare-function (&rest r))))
+
(eval-when-compile
(let ((load-path
(if (and (boundp 'byte-compile-dest-file)
(run-hooks 'c-initialization-hook)
;; Fix obsolete variables.
(if (boundp 'c-comment-continuation-stars)
- (setq c-block-comment-prefix c-comment-continuation-stars))
+ (setq c-block-comment-prefix
+ (symbol-value 'c-comment-continuation-stars)))
(add-hook 'change-major-mode-hook 'c-leave-cc-mode-mode)
(setq c-initialization-ok t))
;; Will try initialization hooks again if they failed.
;; function is called from top-level forms that are evaluated
;; while cc-bytecomp is active when one does M-x eval-buffer.
(cond
- ;; XEmacs
- ((cc-bytecomp-fboundp 'set-keymap-parents)
- (set-keymap-parents map c-mode-base-map))
;; Emacs
((cc-bytecomp-fboundp 'set-keymap-parent)
(set-keymap-parent map c-mode-base-map))
+ ;; XEmacs
+ ((cc-bytecomp-fboundp 'set-keymap-parents)
+ (set-keymap-parents map c-mode-base-map))
;; incompatible
(t (error "CC Mode is incompatible with this version of Emacs")))
map))
'c-indent-new-comment-line
c-mode-base-map global-map)
(substitute-key-definition 'indent-for-tab-command
- 'c-indent-command
+ ;; XXX Is this the right thing to do
+ ;; here?
+ 'c-indent-line-or-region
c-mode-base-map global-map)
(when (fboundp 'comment-indent-new-line)
;; indent-new-comment-line has changed name to
;; RMS says don't make these the default.
;; (April 2006): RMS has now approved these commands as defaults.
- (define-key c-mode-base-map "\e\C-a" 'c-beginning-of-defun)
- (define-key c-mode-base-map "\e\C-e" 'c-end-of-defun)
+ (unless (memq 'argumentative-bod-function c-emacs-features)
+ (define-key c-mode-base-map "\e\C-a" 'c-beginning-of-defun)
+ (define-key c-mode-base-map "\e\C-e" 'c-end-of-defun))
(define-key c-mode-base-map "\C-c\C-n" 'c-forward-conditional)
(define-key c-mode-base-map "\C-c\C-p" 'c-backward-conditional)
(make-local-hook 'before-change-functions)
(add-hook 'before-change-functions 'c-before-change nil t)
(make-local-hook 'after-change-functions)
- (add-hook 'after-change-functions 'c-after-change nil t))
+ (add-hook 'after-change-functions 'c-after-change nil t)
+ (set (make-local-variable 'font-lock-extend-after-change-region-function)
+ 'c-extend-after-change-region)) ; Currently (2008-04), only used by AWK.
(defun c-setup-doc-comment-style ()
"Initialize the variables that depend on the value of `c-doc-comment-style'."
(and (cdr rfn)
(setq require-final-newline mode-require-final-newline)))))
+(defun c-before-hack-hook ()
+ "Set the CC Mode style and \"offsets\" when in the buffer's local variables.
+They are set only when, respectively, the pseudo variables
+`c-file-style' and `c-file-offsets' are present in the list.
+
+This function is called from the hook `before-hack-local-variables-hook'."
+ (when c-buffer-is-cc-mode
+ (let ((stile (cdr (assq 'c-file-style file-local-variables-alist)))
+ (offsets (cdr (assq 'c-file-offsets file-local-variables-alist))))
+ (when stile
+ (or (stringp stile) (error "c-file-style is not a string"))
+ (c-set-style stile))
+ (when offsets
+ (mapc
+ (lambda (langentry)
+ (let ((langelem (car langentry))
+ (offset (cdr langentry)))
+ (c-set-offset langelem offset)))
+ offsets)))))
+
(defun c-remove-any-local-eval-or-mode-variables ()
;; If the buffer specifies `mode' or `eval' in its File Local Variable list
;; or on the first line, remove all occurrences. See
(when c-buffer-is-cc-mode
(if (or c-file-style c-file-offsets)
(c-make-styles-buffer-local t))
- (and c-file-style
- (c-set-style c-file-style))
+ (when c-file-style
+ (or (stringp c-file-style)
+ (error "c-file-style is not a string"))
+ (c-set-style c-file-style))
+
(and c-file-offsets
- (mapcar
+ (mapc
(lambda (langentry)
(let ((langelem (car langentry))
(offset (cdr langentry)))
(hack-local-variables))
nil))))
-(add-hook 'hack-local-variables-hook 'c-postprocess-file-styles)
+(if (boundp 'before-hack-local-variables-hook)
+ (add-hook 'before-hack-local-variables-hook 'c-before-hack-hook)
+ (add-hook 'hack-local-variables-hook 'c-postprocess-file-styles))
(defmacro c-run-mode-hooks (&rest hooks)
;; Emacs 21.1 has introduced a system with delayed mode hooks that
(setq c-old-EOM (point)))
(defun c-neutralize-CPP-line (beg end)
- ;; BEG and END bound a preprocessor line. Put a "punctuation" syntax-table
- ;; property on syntactically obtrusive characters, ones which would interact
- ;; syntactically with stuff outside the CPP line.
+ ;; BEG and END bound a region, typically a preprocessor line. Put a
+ ;; "punctuation" syntax-table property on syntactically obtrusive
+ ;; characters, ones which would interact syntactically with stuff outside
+ ;; this region.
;;
;; These are unmatched string delimiters, or unmatched
;; parens/brackets/braces. An unclosed comment is regarded as valid, NOT
;; obtrusive.
- (let (s)
- (while
- (progn
- (setq s (parse-partial-sexp beg end -1))
- (cond
- ((< (nth 0 s) 0) ; found an unmated ),},]
- (c-put-char-property (1- (point)) 'syntax-table '(1))
- t)
- ((nth 3 s) ; In a string
- (c-put-char-property (nth 8 s) 'syntax-table '(1))
- t)
- ((> (nth 0 s) 0) ; In a (,{,[
- (c-put-char-property (nth 1 s) 'syntax-table '(1))
- t)
- (t nil))))))
+ (save-excursion
+ (let (s)
+ (while
+ (progn
+ (setq s (parse-partial-sexp beg end -1))
+ (cond
+ ((< (nth 0 s) 0) ; found an unmated ),},]
+ (c-put-char-property (1- (point)) 'syntax-table '(1))
+ t)
+ ((nth 3 s) ; In a string
+ (c-put-char-property (nth 8 s) 'syntax-table '(1))
+ t)
+ ((> (nth 0 s) 0) ; In a (,{,[
+ (c-put-char-property (nth 1 s) 'syntax-table '(1))
+ t)
+ (t nil)))))))
(defun c-neutralize-syntax-in-CPP (begg endd old-len)
;; "Neutralize" every preprocessor line wholly or partially in the changed
;;
;; This function is the C/C++/ObjC value of `c-before-font-lock-function'.
;;
- ;; This function might do invisible changes.
- (c-save-buffer-state (limits mbeg beg end)
- ;; First calculate the region, possibly to be extended.
- (setq beg (min begg c-old-BOM))
+ ;; Note: SPEED _MATTERS_ IN THIS FUNCTION!!!
+ ;;
+ ;; This function might make hidden buffer changes.
+ (c-save-buffer-state (limits mbeg+1 beg end)
+ ;; First determine the region, (beg end), which may need "neutralizing".
+ ;; This may not start inside a string, comment, or macro.
+ (goto-char c-old-BOM) ; already set to old start of macro or begg.
+ (setq beg
+ (if (setq limits (c-literal-limits))
+ (cdr limits) ; go forward out of any string or comment.
+ (point)))
+
(goto-char endd)
- (when (c-beginning-of-macro)
- (c-end-of-macro))
+ (if (setq limits (c-literal-limits))
+ (goto-char (car limits))) ; go backward out of any string or comment.
+ (if (c-beginning-of-macro)
+ (c-end-of-macro))
(setq end (max (+ (- c-old-EOM old-len) (- endd begg))
(point)))
+
;; Clear all old punctuation properties
(c-clear-char-property-with-value beg end 'syntax-table '(1))
(goto-char beg)
- ;; If we're inside a string/comment, go to its end.
- (if (setq limits (c-literal-limits))
- (goto-char (cdr limits)))
-
- (while (search-forward-regexp c-anchored-cpp-prefix end t)
- (when (c-beginning-of-macro) ; Guard against being in a string/comment.
- (setq mbeg (point))
- (c-end-of-macro) ; Do we need to go forward 1 char here? No!
- (c-neutralize-CPP-line mbeg (point)))))) ; We might still be in a comment - this is OK.
+ (let ((pps-position beg) pps-state)
+ (while (and (< (point) end)
+ (search-forward-regexp c-anchored-cpp-prefix end t))
+ ;; If we've found a "#" inside a string/comment, ignore it.
+ (setq pps-state
+ (parse-partial-sexp pps-position (point) nil nil pps-state)
+ pps-position (point))
+ (unless (or (nth 3 pps-state) ; in a string?
+ (nth 4 pps-state)) ; in a comment?
+ (setq mbeg+1 (point))
+ (c-end-of-macro) ; Do we need to go forward 1 char here? No!
+ (c-neutralize-CPP-line mbeg+1 (point))
+ (setq pps-position (point))))))) ; no need to update pps-state.
(defun c-before-change (beg end)
;; Function to be put on `before-change-function'. Primarily, this calls
(make-local-hook 'font-lock-mode-hook)
(add-hook 'font-lock-mode-hook 'c-after-font-lock-init nil t))
-(defmacro c-advise-fl-for-region (function)
- `(defadvice ,function (before get-awk-region activate)
-;; When font-locking an AWK Mode buffer, make sure that any string/regexp is
-;; completely font-locked.
- (when (eq major-mode 'awk-mode)
- (save-excursion
- (ad-set-arg 1 c-new-END) ; end
- (ad-set-arg 0 c-new-BEG))))) ; beg
-
-(c-advise-fl-for-region font-lock-after-change-function)
-(c-advise-fl-for-region jit-lock-after-change)
-(c-advise-fl-for-region lazy-lock-defer-rest-after-change)
-(c-advise-fl-for-region lazy-lock-defer-line-after-change)
+(defun c-extend-after-change-region (beg end old-len)
+ "Extend the region to be fontified, if necessary."
+ ;; Note: the parameters are ignored here. This somewhat indirect
+ ;; implementation exists because it is minimally different from the
+ ;; stand-alone CC Mode which, lacking
+ ;; font-lock-extend-after-change-region-function, is forced to use advice
+ ;; instead.
+ ;;
+ ;; Of the seven CC Mode languages, currently (2008-04) only AWK Mode makes
+ ;; non-null use of this function.
+ (cons c-new-BEG c-new-END))
\f
;; Support for C
;;;###autoload (add-to-list 'auto-mode-alist '("\\.y\\(acc\\)?\\'" . c-mode))
;;;###autoload (add-to-list 'auto-mode-alist '("\\.lex\\'" . c-mode))
+;; Preprocessed files generated by C and C++ compilers.
+;;;###autoload (add-to-list 'auto-mode-alist '("\\.i\\'" . c-mode))
+;;;###autoload (add-to-list 'auto-mode-alist '("\\.ii\\'" . c++-mode))
+
+
;;;###autoload
(defun c-mode ()
"Major mode for editing K&R and ANSI C code.
(easy-menu-define c-awk-menu awk-mode-map "AWK Mode Commands"
(cons "AWK" (c-lang-const c-mode-menu awk)))
+;; (require 'cc-awk) brings these in.
+(defvar awk-mode-syntax-table)
+(declare-function c-awk-unstick-NL-prop "cc-awk" ())
+
(defun awk-mode ()
"Major mode for editing AWK code.
To submit a problem report, enter `\\[c-submit-bug-report]' from an
adaptive-fill-mode
adaptive-fill-regexp)
nil)))
- (mapcar (lambda (var) (unless (boundp var)
- (setq vars (delq var vars))))
- '(signal-error-on-buffer-boundary
- filladapt-mode
- defun-prompt-regexp
- font-lock-mode
- font-lock-maximum-decoration
- parse-sexp-lookup-properties
- lookup-syntax-properties))
+ (mapc (lambda (var) (unless (boundp var)
+ (setq vars (delq var vars))))
+ '(signal-error-on-buffer-boundary
+ filladapt-mode
+ defun-prompt-regexp
+ font-lock-mode
+ font-lock-maximum-decoration
+ parse-sexp-lookup-properties
+ lookup-syntax-properties))
vars)
(lambda ()
(run-hooks 'c-prepare-bug-report-hooks)
\f
(cc-provide 'cc-mode)
-;;; arch-tag: 7825e5c4-fd09-439f-a04d-4c13208ba3d7
+;; arch-tag: 7825e5c4-fd09-439f-a04d-4c13208ba3d7
;;; cc-mode.el ends here