;;; cpp.el --- highlight or hide text according to cpp conditionals
-;; Copyright (C) 1994, 1995, 2001, 2002, 2003, 2004, 2005, 2006, 2007
-;; Free Software Foundation
+;; Copyright (C) 1994-1995, 2001-2011 Free Software Foundation, Inc.
;; Author: Per Abrahamsen <abraham@dina.kvl.dk>
;; Keywords: c, faces, tools
;; 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 2, 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 GNU Emacs; 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:
(cpp-face :tag "True")
(cpp-face :tag "False")
(choice (const :tag "True branch writable" t)
- (const :tag "False branch writeable" nil)
- (const :tag "Both branches writeable" both))))
+ (const :tag "False branch writable" nil)
+ (const :tag "Both branches writable" both))))
:group 'cpp)
(defvar cpp-overlay-list nil)
;; Pop top of cpp-state-stack and create overlay.
(let ((entry (assoc (nth 1 (car cpp-state-stack)) cpp-edit-list))
(branch (nth 0 (car cpp-state-stack)))
- (begin (nth 2 (car cpp-state-stack)))
(end (nth 3 (car cpp-state-stack))))
(setq cpp-state-stack (cdr cpp-state-stack))
(if entry
(overlay-put overlay 'insert-in-front-hooks '(cpp-grow-overlay))
(overlay-put overlay 'insert-behind-hooks '(cpp-grow-overlay)))
-(defun cpp-signal-read-only (overlay after start end &optional len)
+(defun cpp-signal-read-only (overlay after start end &optional _len)
;; Only allow deleting the whole overlay.
;; Trying to change a read-only overlay.
(if (and (not after)
(> (overlay-end overlay) end)))
(error "This text is read only")))
-(defun cpp-grow-overlay (overlay after start end &optional len)
+(defun cpp-grow-overlay (overlay after start end &optional _len)
;; Make OVERLAY grow to contain range START to END.
(if after
(move-overlay overlay
;;; Edit Buffer:
-(defvar cpp-edit-map nil)
-;; Keymap for `cpp-edit-mode'.
-
-(if cpp-edit-map
- ()
- (setq cpp-edit-map (make-keymap))
- (suppress-keymap cpp-edit-map)
- (define-key cpp-edit-map [ down-mouse-2 ] 'cpp-push-button)
- (define-key cpp-edit-map [ mouse-2 ] 'ignore)
- (define-key cpp-edit-map " " 'scroll-up)
- (define-key cpp-edit-map "\C-?" 'scroll-down)
- (define-key cpp-edit-map [ delete ] 'scroll-down)
- (define-key cpp-edit-map "\C-c\C-c" 'cpp-edit-apply)
- (define-key cpp-edit-map "a" 'cpp-edit-apply)
- (define-key cpp-edit-map "A" 'cpp-edit-apply)
- (define-key cpp-edit-map "r" 'cpp-edit-reset)
- (define-key cpp-edit-map "R" 'cpp-edit-reset)
- (define-key cpp-edit-map "s" 'cpp-edit-save)
- (define-key cpp-edit-map "S" 'cpp-edit-save)
- (define-key cpp-edit-map "l" 'cpp-edit-load)
- (define-key cpp-edit-map "L" 'cpp-edit-load)
- (define-key cpp-edit-map "h" 'cpp-edit-home)
- (define-key cpp-edit-map "H" 'cpp-edit-home)
- (define-key cpp-edit-map "b" 'cpp-edit-background)
- (define-key cpp-edit-map "B" 'cpp-edit-background)
- (define-key cpp-edit-map "k" 'cpp-edit-known)
- (define-key cpp-edit-map "K" 'cpp-edit-known)
- (define-key cpp-edit-map "u" 'cpp-edit-unknown)
- (define-key cpp-edit-map "u" 'cpp-edit-unknown)
- (define-key cpp-edit-map "t" 'cpp-edit-true)
- (define-key cpp-edit-map "T" 'cpp-edit-true)
- (define-key cpp-edit-map "f" 'cpp-edit-false)
- (define-key cpp-edit-map "F" 'cpp-edit-false)
- (define-key cpp-edit-map "w" 'cpp-edit-write)
- (define-key cpp-edit-map "W" 'cpp-edit-write)
- (define-key cpp-edit-map "X" 'cpp-edit-toggle-known)
- (define-key cpp-edit-map "x" 'cpp-edit-toggle-known)
- (define-key cpp-edit-map "Y" 'cpp-edit-toggle-unknown)
- (define-key cpp-edit-map "y" 'cpp-edit-toggle-unknown)
- (define-key cpp-edit-map "q" 'bury-buffer)
- (define-key cpp-edit-map "Q" 'bury-buffer))
+(defvar cpp-edit-mode-map
+ (let ((map (make-keymap)))
+ (suppress-keymap map)
+ (define-key map [ down-mouse-2 ] 'cpp-push-button)
+ (define-key map [ mouse-2 ] 'ignore)
+ (define-key map " " 'scroll-up-command)
+ (define-key map "\C-?" 'scroll-down-command)
+ (define-key map [ delete ] 'scroll-down)
+ (define-key map "\C-c\C-c" 'cpp-edit-apply)
+ (define-key map "a" 'cpp-edit-apply)
+ (define-key map "A" 'cpp-edit-apply)
+ (define-key map "r" 'cpp-edit-reset)
+ (define-key map "R" 'cpp-edit-reset)
+ (define-key map "s" 'cpp-edit-save)
+ (define-key map "S" 'cpp-edit-save)
+ (define-key map "l" 'cpp-edit-load)
+ (define-key map "L" 'cpp-edit-load)
+ (define-key map "h" 'cpp-edit-home)
+ (define-key map "H" 'cpp-edit-home)
+ (define-key map "b" 'cpp-edit-background)
+ (define-key map "B" 'cpp-edit-background)
+ (define-key map "k" 'cpp-edit-known)
+ (define-key map "K" 'cpp-edit-known)
+ (define-key map "u" 'cpp-edit-unknown)
+ (define-key map "u" 'cpp-edit-unknown)
+ (define-key map "t" 'cpp-edit-true)
+ (define-key map "T" 'cpp-edit-true)
+ (define-key map "f" 'cpp-edit-false)
+ (define-key map "F" 'cpp-edit-false)
+ (define-key map "w" 'cpp-edit-write)
+ (define-key map "W" 'cpp-edit-write)
+ (define-key map "X" 'cpp-edit-toggle-known)
+ (define-key map "x" 'cpp-edit-toggle-known)
+ (define-key map "Y" 'cpp-edit-toggle-unknown)
+ (define-key map "y" 'cpp-edit-toggle-unknown)
+ (define-key map "q" 'bury-buffer)
+ (define-key map "Q" 'bury-buffer)
+ map)
+ "Keymap for `cpp-edit-mode'.")
+
+
(defvar cpp-edit-symbols nil)
;; Symbols defined in the edit buffer.
(make-variable-buffer-local 'cpp-edit-symbols)
-(defun cpp-edit-mode ()
+(define-derived-mode cpp-edit-mode fundamental-mode "CPP Edit"
"Major mode for editing the criteria for highlighting cpp conditionals.
Click on objects to change them.
You can also use the keyboard accelerators indicated like this: [K]ey."
- (kill-all-local-variables)
(buffer-disable-undo)
(auto-save-mode -1)
- (setq buffer-read-only t)
- (setq major-mode 'cpp-edit-mode)
- (setq mode-name "CPP Edit")
- (use-local-map cpp-edit-map))
+ (setq buffer-read-only t))
(defun cpp-edit-apply ()
"Apply edited display information to original buffer."
(load-file cpp-config-file))
((file-readable-p (concat "~/" cpp-config-file))
(load-file cpp-config-file)))
- (if (eq major-mode 'cpp-edit-mode)
+ (if (derived-mode-p 'cpp-edit-mode)
(cpp-edit-reset)))
(defun cpp-edit-save ()
"Save the current cpp configuration in a file."
(interactive)
(require 'pp)
- (save-excursion
- (set-buffer cpp-edit-buffer)
+ (with-current-buffer cpp-edit-buffer
(let ((buffer (find-file-noselect cpp-config-file)))
(set-buffer buffer)
(erase-buffer)
(defun cpp-edit-toggle-known (arg)
"Toggle writable status for known conditionals.
-With optional argument ARG, make them writable iff ARG is positive."
+With optional argument ARG, make them writable if ARG is positive,
+otherwise make them unwritable."
(interactive "@P")
(if (or (and (null arg) cpp-known-writable)
(<= (prefix-numeric-value arg) 0))
(defun cpp-edit-toggle-unknown (arg)
"Toggle writable status for unknown conditionals.
-With optional argument ARG, make them writable iff ARG is positive."
+With optional argument ARG, make them writable if ARG is positive,
+otherwise make them unwritable."
(interactive "@P")
(if (or (and (null arg) cpp-unknown-writable)
(<= (prefix-numeric-value arg) 0))
(provide 'cpp)
-;;; arch-tag: fb7d433d-745d-495a-96f0-86908ab63f74
;;; cpp.el ends here