;;; diff-mode.el --- a mode for viewing/editing context diffs
-;; Copyright (C) 1998,1999,2000,01,02,03,2004 Free Software Foundation, Inc.
+;; Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004,
+;; 2005 Free Software Foundation, Inc.
;; Author: Stefan Monnier <monnier@cs.yale.edu>
;; Keywords: convenience patch diff
;; 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., 59 Temple Place - Suite 330,
-;; Boston, MA 02111-1307, USA.
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
;;; Commentary:
(eval-when-compile (require 'cl))
+(defvar add-log-buffer-file-name-function)
+
(defgroup diff-mode ()
- "Major mode for viewing/editing diffs"
+ "Major mode for viewing/editing diffs."
:version "21.1"
:group 'tools
:group 'diff)
(defcustom diff-jump-to-old-file nil
"*Non-nil means `diff-goto-source' jumps to the old file.
Else, it jumps to the new file."
- :type '(boolean))
+ :type 'boolean
+ :group 'diff-mode)
(defcustom diff-update-on-the-fly t
"*Non-nil means hunk headers are kept up-to-date on-the-fly.
either be done on the fly (but this sometimes interacts poorly with the
undo mechanism) or whenever the file is written (can be slow
when editing big diffs)."
- :type '(boolean))
+ :type 'boolean
+ :group 'diff-mode)
(defcustom diff-advance-after-apply-hunk t
"*Non-nil means `diff-apply-hunk' will move to the next hunk after applying."
- :type 'boolean)
+ :type 'boolean
+ :group 'diff-mode)
(defcustom diff-mode-hook nil
"Run after setting up the `diff-mode' major mode."
:type 'hook
- :options '(diff-delete-empty-files diff-make-unified))
+ :options '(diff-delete-empty-files diff-make-unified)
+ :group 'diff-mode)
(defvar diff-outline-regexp
"\\([*+][*+][*+] [^0-9]\\|@@ ...\\|\\*\\*\\* [0-9].\\|--- [0-9]..\\)")
(defcustom diff-minor-mode-prefix "\C-c="
"Prefix key for `diff-minor-mode' commands."
- :type '(choice (string "\e") (string "C-c=") string))
+ :type '(choice (string "\e") (string "C-c=") string)
+ :group 'diff-mode)
(easy-mmode-defmap diff-minor-mode-map
`((,diff-minor-mode-prefix . ,diff-mode-shared-map))
;;;; font-lock support
;;;;
-(defface diff-header-face
+(defface diff-header
'((((class color) (min-colors 88) (background light))
- (:background "grey85"))
+ :background "grey85")
(((class color) (min-colors 88) (background dark))
- (:background "grey45"))
+ :background "grey45")
(((class color) (background light))
- (:foreground "blue1" :weight bold))
+ :foreground "blue1" :weight bold)
(((class color) (background dark))
- (:foreground "green" :weight bold))
- (t (:weight bold)))
- "`diff-mode' face inherited by hunk and index header faces.")
-(defvar diff-header-face 'diff-header-face)
+ :foreground "green" :weight bold)
+ (t :weight bold))
+ "`diff-mode' face inherited by hunk and index header faces."
+ :group 'diff-mode)
+;; backward-compatibility alias
+(put 'diff-header-face 'face-alias 'diff-header)
+(defvar diff-header-face 'diff-header)
-(defface diff-file-header-face
+(defface diff-file-header
'((((class color) (min-colors 88) (background light))
- (:background "grey70" :weight bold))
+ :background "grey70" :weight bold)
(((class color) (min-colors 88) (background dark))
- (:background "grey60" :weight bold))
+ :background "grey60" :weight bold)
(((class color) (background light))
- (:foreground "yellow" :weight bold))
+ :foreground "green" :weight bold)
(((class color) (background dark))
- (:foreground "cyan" :weight bold))
- (t (:weight bold))) ; :height 1.3
- "`diff-mode' face used to highlight file header lines.")
-(defvar diff-file-header-face 'diff-file-header-face)
-
-(defface diff-index-face
- '((t (:inherit diff-file-header-face)))
- "`diff-mode' face used to highlight index header lines.")
-(defvar diff-index-face 'diff-index-face)
-
-(defface diff-hunk-header-face
- '((t (:inherit diff-header-face)))
- "`diff-mode' face used to highlight hunk header lines.")
-(defvar diff-hunk-header-face 'diff-hunk-header-face)
-
-(defface diff-removed-face
- '((t (:inherit diff-changed-face)))
- "`diff-mode' face used to highlight removed lines.")
-(defvar diff-removed-face 'diff-removed-face)
-
-(defface diff-added-face
- '((t (:inherit diff-changed-face)))
- "`diff-mode' face used to highlight added lines.")
-(defvar diff-added-face 'diff-added-face)
-
-(defface diff-changed-face
+ :foreground "cyan" :weight bold)
+ (t :weight bold)) ; :height 1.3
+ "`diff-mode' face used to highlight file header lines."
+ :group 'diff-mode)
+;; backward-compatibility alias
+(put 'diff-file-header-face 'face-alias 'diff-file-header)
+(defvar diff-file-header-face 'diff-file-header)
+
+(defface diff-index
+ '((t :inherit diff-file-header))
+ "`diff-mode' face used to highlight index header lines."
+ :group 'diff-mode)
+;; backward-compatibility alias
+(put 'diff-index-face 'face-alias 'diff-index)
+(defvar diff-index-face 'diff-index)
+
+(defface diff-hunk-header
+ '((t :inherit diff-header))
+ "`diff-mode' face used to highlight hunk header lines."
+ :group 'diff-mode)
+;; backward-compatibility alias
+(put 'diff-hunk-header-face 'face-alias 'diff-hunk-header)
+(defvar diff-hunk-header-face 'diff-hunk-header)
+
+(defface diff-removed
+ '((t :inherit diff-changed))
+ "`diff-mode' face used to highlight removed lines."
+ :group 'diff-mode)
+;; backward-compatibility alias
+(put 'diff-removed-face 'face-alias 'diff-removed)
+(defvar diff-removed-face 'diff-removed)
+
+(defface diff-added
+ '((t :inherit diff-changed))
+ "`diff-mode' face used to highlight added lines."
+ :group 'diff-mode)
+;; backward-compatibility alias
+(put 'diff-added-face 'face-alias 'diff-added)
+(defvar diff-added-face 'diff-added)
+
+(defface diff-changed
'((((type tty pc) (class color) (background light))
- (:foreground "magenta" :weight bold :slant italic))
+ :foreground "magenta" :weight bold :slant italic)
(((type tty pc) (class color) (background dark))
- (:foreground "yellow" :weight bold :slant italic))
- (t ()))
- "`diff-mode' face used to highlight changed lines.")
-(defvar diff-changed-face 'diff-changed-face)
-
-(defface diff-function-face
- '((t (:inherit diff-context-face)))
- "`diff-mode' face used to highlight function names produced by \"diff -p\".")
-(defvar diff-function-face 'diff-function-face)
-
-(defface diff-context-face
- '((((class color) (background light))
- (:foreground "grey50"))
- (((class color) (background dark))
- (:foreground "grey70"))
- (t ))
- "`diff-mode' face used to highlight context and other side-information.")
-(defvar diff-context-face 'diff-context-face)
+ :foreground "yellow" :weight bold :slant italic))
+ "`diff-mode' face used to highlight changed lines."
+ :group 'diff-mode)
+;; backward-compatibility alias
+(put 'diff-changed-face 'face-alias 'diff-changed)
+(defvar diff-changed-face 'diff-changed)
+
+(defface diff-indicator-removed
+ '((t :inherit diff-removed))
+ "`diff-mode' face used to highlight indicator of removed lines (-, <)."
+ :group 'diff-mode
+ :version "22.1")
+(defvar diff-indicator-removed-face 'diff-indicator-removed)
+
+(defface diff-indicator-added
+ '((t :inherit diff-added))
+ "`diff-mode' face used to highlight indicator of added lines (+, >)."
+ :group 'diff-mode
+ :version "22.1")
+(defvar diff-indicator-added-face 'diff-indicator-added)
+
+(defface diff-indicator-changed
+ '((t :inherit diff-changed))
+ "`diff-mode' face used to highlight indicator of changed lines."
+ :group 'diff-mode
+ :version "22.1")
+(defvar diff-indicator-changed-face 'diff-indicator-changed)
+
+(defface diff-function
+ '((t :inherit diff-context))
+ "`diff-mode' face used to highlight function names produced by \"diff -p\"."
+ :group 'diff-mode)
+;; backward-compatibility alias
+(put 'diff-function-face 'face-alias 'diff-function)
+(defvar diff-function-face 'diff-function)
-(defface diff-nonexistent-face
- '((t (:inherit diff-file-header-face)))
- "`diff-mode' face used to highlight nonexistent files in recursive diffs.")
-(defvar diff-nonexistent-face 'diff-nonexistent-face)
+(defface diff-context
+ '((((class color grayscale) (min-colors 88)) :inherit shadow))
+ "`diff-mode' face used to highlight context and other side-information."
+ :group 'diff-mode)
+;; backward-compatibility alias
+(put 'diff-context-face 'face-alias 'diff-context)
+(defvar diff-context-face 'diff-context)
+
+(defface diff-nonexistent
+ '((t :inherit diff-file-header))
+ "`diff-mode' face used to highlight nonexistent files in recursive diffs."
+ :group 'diff-mode)
+;; backward-compatibility alias
+(put 'diff-nonexistent-face 'face-alias 'diff-nonexistent)
+(defvar diff-nonexistent-face 'diff-nonexistent)
(defconst diff-yank-handler '(diff-yank-function))
(defun diff-yank-function (text)
(save-excursion
(while (re-search-backward re start t)
(replace-match "" t t)))))))
-
+
(defvar diff-font-lock-keywords
- `(("^\\(@@ -[0-9,]+ \\+[0-9,]+ @@\\)\\(.*\\)$" ;unified
- (1 diff-hunk-header-face)
- (2 diff-function-face))
- ("^--- .+ ----$" . diff-hunk-header-face) ;context
- ("^\\(\\*\\{15\\}\\)\\(.*\\)$" ;context
- (1 diff-hunk-header-face)
- (2 diff-function-face))
+ `(("^\\(@@ -[0-9,]+ \\+[0-9,]+ @@\\)\\(.*\\)$" ;unified
+ (1 diff-hunk-header-face) (2 diff-function-face))
+ ("^\\(\\*\\{15\\}\\)\\(.*\\)$" ;context
+ (1 diff-hunk-header-face) (2 diff-function-face))
("^\\*\\*\\* .+ \\*\\*\\*\\*". diff-hunk-header-face) ;context
+ ("^--- .+ ----$" . diff-hunk-header-face) ;context
+ ("^[0-9,]+[acd][0-9,]+$" . diff-hunk-header-face) ;normal
+ ("^---$" . diff-hunk-header-face) ;normal
("^\\(---\\|\\+\\+\\+\\|\\*\\*\\*\\) \\(\\S-+\\)\\(.*[^*-]\\)?\n"
(0 diff-header-face) (2 diff-file-header-face prepend))
- ("^[0-9,]+[acd][0-9,]+$" . diff-hunk-header-face)
- ("^!.*\n" (0 diff-changed-face))
- ("^[+>].*\n" (0 diff-added-face))
- ("^[-<].*\n" (0 diff-removed-face))
- ("^Index: \\(.+\\).*\n" (0 diff-header-face) (1 diff-index-face prepend))
+ ("^\\([-<]\\)\\(.*\n\\)"
+ (1 diff-indicator-removed-face) (2 diff-removed-face))
+ ("^\\([+>]\\)\\(.*\n\\)"
+ (1 diff-indicator-added-face) (2 diff-added-face))
+ ("^\\(!\\)\\(.*\n\\)"
+ (1 diff-indicator-changed-face) (2 diff-changed-face))
+ ("^Index: \\(.+\\).*\n"
+ (0 diff-header-face) (1 diff-index-face prepend))
("^Only in .*\n" . diff-nonexistent-face)
- ("^#.*" . font-lock-string-face)
- ("^[^-=+*!<>].*\n" (0 diff-context-face))))
+ ("^\\(#\\)\\(.*\\)"
+ (1 font-lock-comment-delimiter-face)
+ (2 font-lock-comment-face))
+ ("^[^-=+*!<>#].*\n" (0 diff-context-face))))
(defconst diff-font-lock-defaults
'(diff-font-lock-keywords t nil nil nil (font-lock-multiline . nil)))
(let ((fs (diff-hunk-file-names old)))
(unless fs (error "No file name to look for"))
(push (cons fs name) diff-remembered-files-alist)))
-
+
(defun diff-hunk-file-names (&optional old)
"Give the list of file names textually mentioned for the current hunk."
(save-excursion
(while (progn (setq last-pt (point))
(= (forward-line -1) 0))
(case (char-after)
- (? (insert " ") (setq modif nil) (backward-char 1))
+ (?\s (insert " ") (setq modif nil) (backward-char 1))
(?+ (delete-region (point) last-pt) (setq modif t))
(?- (if (not modif)
(progn (forward-char 1)
(let ((modif nil) (delete nil))
(while (not (eobp))
(case (char-after)
- (? (insert " ") (setq modif nil) (backward-char 1))
+ (?\s (insert " ") (setq modif nil) (backward-char 1))
(?- (setq delete t) (setq modif t))
(?+ (if (not modif)
(progn (forward-char 1)
(while (< (point) pt2)
(case (char-after)
((?! ?-) (delete-char 2) (insert "-") (forward-line 1))
- (?\ ;merge with the other half of the chunk
+ (?\s ;merge with the other half of the chunk
(let* ((endline2
(save-excursion
(goto-char pt2) (forward-line 1) (point)))
(insert "+"
(prog1 (buffer-substring (+ pt2 2) endline2)
(delete-region pt2 endline2))))
- (?\ ;FIXME: check consistency
+ (?\s ;FIXME: check consistency
(delete-region pt2 endline2)
(delete-char 1)
(forward-line 1))
(t (when (and first last (< first last))
(insert (delete-and-extract-region first last)))
(setq first nil last nil)
- (equal ?\ c)))
+ (equal ?\s c)))
(forward-line 1))))))))))
(defun diff-fixup-modifs (start end)
Supports unified and context diffs as well as (to a lesser extent)
normal diffs.
When the buffer is read-only, the ESC prefix is not necessary.
-IF you edit the buffer manually, diff-mode will try to update the hunk
+If you edit the buffer manually, diff-mode will try to update the hunk
headers for you on-the-fly.
You can also switch between context diff and unified diff with \\[diff-context->unified],
-or vice versa with \\[diff-unified->context] and you can also revert the direction of
+or vice versa with \\[diff-unified->context] and you can also reverse the direction of
a diff with \\[diff-reverse-direction]."
(set (make-local-variable 'font-lock-defaults) diff-font-lock-defaults)
(set (make-local-variable 'outline-regexp) diff-outline-regexp)
(define-minor-mode diff-minor-mode
"Minor mode for viewing/editing context diffs.
\\{diff-minor-mode-map}"
- nil " Diff" nil
+ :group 'diff-mode :lighter " Diff"
;; FIXME: setup font-lock
;; setup change hooks
(if (not diff-update-on-the-fly)
(save-excursion
(when (looking-at diff-hunk-header-re)
(forward-line 1)
- (while (and (looking-at " ") (not (zerop (forward-line 1))))))
+ (re-search-forward "^[^ ]" nil t))
(destructuring-bind (buf line-offset pos src dst &optional switched)
(diff-find-source-location)
(beginning-of-line)
;; use `combine-after-change-calls' to minimize the slowdown of font-lock.
;;
-;;; arch-tag: 2571d7ff-bc28-4cf9-8585-42e21890be66
+;; arch-tag: 2571d7ff-bc28-4cf9-8585-42e21890be66
;;; diff-mode.el ends here
HCoop / bpt / emacs.git / blobdiff