;; Copyright (C) 1994, 1995 Free Software Foundation
-;; Author: Per Abrahamsen <abraham@iesd.auc.dk>
+;; Author: Per Abrahamsen <abraham@dina.kvl.dk>
;; Keywords: c, faces, tools
;; This file is part of GNU Emacs.
;; 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, 675 Mass Ave, Cambridge, MA 02139, USA.
+;; along with GNU Emacs; see the file COPYING. If not, write to the
+;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
;;; Commentary:
;;; Code:
;;; Customization:
-
-(defvar cpp-config-file (convert-standard-filename ".cpp.el")
- "*File name to save cpp configuration.")
-
-(defvar cpp-known-face 'invisible
- "*Face used for known cpp symbols.")
-
-(defvar cpp-unknown-face 'highlight
- "*Face used for unknown cpp cymbols.")
-
-(defvar cpp-face-type 'light
+(defgroup cpp nil
+ "Highlight or hide text according to cpp conditionals."
+ :group 'C
+ :prefix "cpp-")
+
+(defcustom cpp-config-file (convert-standard-filename ".cpp.el")
+ "*File name to save cpp configuration."
+ :type 'file
+ :group 'cpp)
+
+(defcustom cpp-known-face 'invisible
+ "*Face used for known cpp symbols."
+ :type 'face
+ :group 'cpp)
+
+(defcustom cpp-unknown-face 'highlight
+ "*Face used for unknown cpp symbols."
+ :type 'face
+ :group 'cpp)
+
+(defcustom cpp-face-type 'light
"*Indicate what background face type you prefer.
Can be either light or dark for color screens, mono for monochrome
-screens, and none if you don't use a window system.")
-
-(defvar cpp-known-writable t
- "*Non-nil means you are allowed to modify the known conditionals.")
-
-(defvar cpp-unknown-writable t
- "*Non-nil means you are allowed to modify the unknown conditionals.")
-
-(defvar cpp-edit-list nil
+screens, and none if you don't use a window system."
+ :options '(light dark mono nil)
+ :type 'symbol
+ :group 'cpp)
+
+(defcustom cpp-known-writable t
+ "*Non-nil means you are allowed to modify the known conditionals."
+ :type 'boolean
+ :group 'cpp)
+
+(defcustom cpp-unknown-writable t
+ "*Non-nil means you are allowed to modify the unknown conditionals."
+ :type 'boolean
+ :group 'cpp)
+
+(defcustom cpp-edit-list nil
"Alist of cpp macros and information about how they should be displayed.
Each entry is a list with the following elements:
0. The name of the macro (a string).
1. Face used for text that is `ifdef' the macro.
2. Face used for text that is `ifndef' the macro.
-3. `t', `nil', or `both' depending on what text may be edited.")
+3. `t', `nil', or `both' depending on what text may be edited."
+ :type '(repeat (list string face face
+ (choice (const t)
+ (const nil)
+ (const both))))
+ :group 'cpp)
(defvar cpp-overlay-list nil)
;; List of cpp overlays active in the current buffer.
("true" . t)
("both" . both)))
-(defvar cpp-face-default-list nil
- "List of faces you can choose from for cpp conditionals.")
+(defcustom cpp-face-default-list nil
+ "Alist of faces you can choose from for cpp conditionals.
+Each element has the form (STRING . FACE), where STRING
+serves as a name (for `cpp-highlight-buffer' only)
+and FACE is either a face (a symbol)
+or a cons cell (background-color . COLOR)."
+ :type '(repeat (cons string (choice face (cons (const background-color) string))))
+ :group 'cpp)
-(defvar cpp-face-light-name-list
+(defcustom cpp-face-light-name-list
'("light gray" "light blue" "light cyan" "light yellow" "light pink"
"pale green" "beige" "orange" "magenta" "violet" "medium purple"
"turquoise")
- "Background colours useful with dark foreground colors.")
+ "Background colours useful with dark foreground colors."
+ :type '(repeat string)
+ :group 'cpp)
-(defvar cpp-face-dark-name-list
+(defcustom cpp-face-dark-name-list
'("dim gray" "blue" "cyan" "yellow" "red"
"dark green" "brown" "dark orange" "dark khaki" "dark violet" "purple"
"dark turquoise")
- "Background colours useful with light foreground colors.")
-
-(defvar cpp-face-light-list nil
- "Alist of names and faces to be used for light backgrounds.")
-
-(defvar cpp-face-dark-list nil
- "Alist of names and faces to be used for dark backgrounds.")
-
-(defvar cpp-face-mono-list
- '(("bold" . 'bold)
- ("bold-italic" . 'bold-italic)
- ("italic" . 'italic)
- ("underline" . 'underline))
- "Alist of names and faces to be used for monocrome screens.")
-
-(defvar cpp-face-none-list
+ "Background colours useful with light foreground colors."
+ :type '(repeat string)
+ :group 'cpp)
+
+(defcustom cpp-face-light-list nil
+ "Alist of names and faces to be used for light backgrounds."
+ :type '(repeat (cons string face))
+ :group 'cpp)
+
+(defcustom cpp-face-dark-list nil
+ "Alist of names and faces to be used for dark backgrounds."
+ :type '(repeat (cons string face))
+ :group 'cpp)
+
+(defcustom cpp-face-mono-list
+ '(("bold" . bold)
+ ("bold-italic" . bold-italic)
+ ("italic" . italic)
+ ("underline" . underline))
+ "Alist of names and faces to be used for monochrome screens."
+ :type '(repeat (cons string face))
+ :group 'cpp)
+
+(defcustom cpp-face-none-list
'(("default" . default)
("invisible" . invisible))
- "Alist of names and faces available even if you don't use a window system.")
+ "Alist of names and faces available even if you don't use a window system."
+ :type '(repeat (cons string face))
+ :group 'cpp)
(defvar cpp-face-all-list
(append cpp-face-light-list
cpp-face-dark-list
cpp-face-mono-list
cpp-face-none-list)
- "All faces used for highligting text inside cpp conditionals.")
+ "All faces used for highlighting text inside cpp conditionals.")
;;; Parse Buffer:
what kind of highlighting to use, and the criteria for highlighting.
A prefix arg suppresses display of that buffer."
(interactive "P")
+ (unless (or (eq t buffer-invisibility-spec)
+ (memq 'cpp buffer-invisibility-spec))
+ (add-to-invisibility-spec 'cpp))
(setq cpp-parse-symbols nil)
(cpp-parse-reset)
(if (null cpp-edit-list)
(defun cpp-parse-error (error)
;; Error message issued by the cpp parser.
- (error (concat error " at line %d") (count-lines (point-min) (point))))
+ (error "%s at line %d" error (count-lines (point-min) (point))))
(defun cpp-parse-reset ()
"Reset display of cpp conditionals to normal."
(defun cpp-make-overlay-hidden (overlay)
;; Make overlay hidden and intangible.
- (overlay-put overlay 'invisible t)
+ (overlay-put overlay 'invisible 'cpp)
(overlay-put overlay 'intangible t)
;; Unfortunately `intangible' is not implemented for overlays yet,
;; so we make is read-only instead.
(defun cpp-edit-load ()
"Load cpp configuration."
(interactive)
- (cond ((file-readable-p cpp-config-file)
+ (cond ((null init-file-user)
+ ;; If -q was specified, don't load any init files.
+ nil)
+ ((file-readable-p cpp-config-file)
(load-file cpp-config-file))
((file-readable-p (concat "~/" cpp-config-file))
(load-file cpp-config-file)))
(cpp-edit-reset)))
(defun cpp-edit-save ()
- "Load cpp configuration."
+ "Save the current cpp configuration in a file."
(interactive)
(require 'pp)
(save-excursion
(defun cpp-create-bg-face (color)
;; Create entry for face with background COLOR.
- (let ((name (intern (concat "cpp " color))))
- (make-face name)
- (set-face-background name color)
- (cons color name)))
+ (cons color (cons 'background-color color)))
(cpp-choose-default-face (if window-system cpp-face-type 'none))