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(diff-kill-junk): New interactive function.
(diff-reverse-direction): Use delete-and-extract-region. (diff-post-command-hook): Restrict the area so that the hook also works outside of any diff hunk. This is necessary for the minor-mode. (diff-mode): Use toggle-read-only and minor-mode-overriding-map-alist. (diff-minor-mode): Setup the hooks for header-hunk rewriting.
This commit is contained in:
Stefan Monnier
parent
6e1d0d151d
commit
fef8c55b16
@ -1,5 +1,12 @@
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2000-02-06 Stefan Monnier <monnier@cs.yale.edu>
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* diff-mode.el (diff-kill-junk): New interactive function.
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(diff-reverse-direction): Use delete-and-extract-region.
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(diff-post-command-hook): Restrict the area so that the hook also works
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outside of any diff hunk. This is necessary for the minor-mode.
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(diff-mode): Use toggle-read-only and minor-mode-overriding-map-alist.
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(diff-minor-mode): Setup the hooks for header-hunk rewriting.
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* font-lock.el (font-lock-keywords): Fix doc for multiline matches.
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(font-lock-add-keywords): Make it work even if font-lock-mode is nil,
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so that it can be used more easily in <foo>-mode-hook. Also make sure
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@ -4,7 +4,7 @@
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;; Author: Stefan Monnier <monnier@cs.yale.edu>
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;; Keywords: patch diff
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;; Revision: $Id$
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;; Revision: $Id: diff-mode.el,v 1.4 1999/12/07 07:04:03 monnier Exp $
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;; This file is part of GNU Emacs.
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@ -369,6 +369,21 @@ If the prefix ARG is given, restrict the view to the current file instead."
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(diff-end-of-file)
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(kill-region start (point))))
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(defun diff-kill-junk ()
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"Kill spurious empty diffs."
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(interactive)
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(save-excursion
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(let ((inhibit-read-only t))
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(goto-char (point-min))
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(while (re-search-forward (concat "^\\(Index: .*\n\\)"
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"\\([^-+!* <>].*\n\\)*?"
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"\\(\\(Index:\\) \\|"
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diff-file-header-re "\\)")
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nil t)
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(delete-region (if (match-end 4) (match-beginning 0) (match-end 1))
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(match-beginning 3))
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(beginning-of-line)))))
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;;;;
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;;;; jump to other buffers
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;;;;
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@ -693,8 +708,7 @@ else cover the whole bufer."
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(while (looking-at "[-! \\][ \t]")
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(when (= (char-after) ?-) (delete-char 1) (insert "+"))
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(forward-line 1))
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(let ((half1 (buffer-substring half1s (point))))
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(delete-region half1s (point))
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(let ((half1 (delete-and-extract-region half1s (point))))
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(unless (looking-at "^--- \\([0-9]+,-?[0-9]+\\) ----$")
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(insert half1)
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(error "Can't find matching `--- n1,n2 ----' line"))
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@ -705,8 +719,7 @@ else cover the whole bufer."
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(while (looking-at "[!+ \\][ \t]")
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(when (= (char-after) ?+) (delete-char 1) (insert "-"))
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(forward-line 1))
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(let ((half2 (buffer-substring half2s (point))))
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(delete-region half2s (point))
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(let ((half2 (delete-and-extract-region half2s (point))))
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(insert half1)
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(goto-char half1s)
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(insert half2)))
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@ -724,8 +737,9 @@ else cover the whole bufer."
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(delete-char 1) (insert "-") t)
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(?\\ t)
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(t (when (and first last (< first last))
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(let ((str (buffer-substring first last)))
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(save-excursion (delete-region first last))
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(let ((str
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(save-excursion
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(delete-and-extract-region first last))))
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(insert str)))
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(setq first nil last nil)
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(equal ?\ c)))
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@ -784,9 +798,6 @@ else cover the whole bufer."
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(if (buffer-modified-p) (diff-fixup-modifs (point-min) (point-max)))
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nil)
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;; XEmacs doesn't seem to have this feature
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(defvar undo-in-progress nil)
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;; It turns out that making changes in the buffer from within an
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;; *-change-function is asking for trouble, whereas making them
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;; from a post-command-hook doesn't pose much problems
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@ -806,7 +817,15 @@ See `after-change-functions' for the meaning of BEG, END and LEN."
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(when (consp diff-unhandled-changes)
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(ignore-errors
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(save-excursion
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(goto-char (car diff-unhandled-changes)) (diff-beginning-of-hunk)
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(goto-char (car diff-unhandled-changes))
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(unless (ignore-errors
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(diff-beginning-of-hunk)
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(save-excursion
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(diff-end-of-hunk)
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(> (point) (car diff-unhandled-changes))))
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(goto-char (car diff-unhandled-changes))
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(re-search-forward diff-hunk-header-re (cdr diff-unhandled-changes))
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(diff-beginning-of-hunk))
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(diff-fixup-modifs (point) (cdr diff-unhandled-changes))))
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(setq diff-unhandled-changes nil)))
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@ -837,8 +856,8 @@ This mode runs `diff-mode-hook'.
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(set (make-local-variable 'compilation-current-file)
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(substring buffer-file-name 0 (match-beginning 0))))
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(compilation-shell-minor-mode 1)
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;;
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(setq buffer-read-only t)
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;; setup change hooks
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(toggle-read-only t)
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(if (not diff-update-on-the-fly-flag)
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(add-hook 'write-contents-hooks 'diff-write-contents-hooks)
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(make-local-variable 'diff-unhandled-changes)
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@ -847,9 +866,8 @@ This mode runs `diff-mode-hook'.
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(add-hook (make-local-hook 'post-command-hook)
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'diff-post-command-hook nil t))
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;; Neat trick from Dave Love to add more bindings in read-only mode:
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(add-to-list (make-local-variable 'minor-mode-map-alist)
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(cons 'buffer-read-only diff-mode-shared-map))
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;;
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(add-to-list (make-local-variable 'minor-mode-overriding-map-alist)
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(cons 'buffer-read-only diff-mode-shared-map))
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(run-hooks 'diff-mode-hook))
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;;;###autoload
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@ -858,8 +876,14 @@ This mode runs `diff-mode-hook'.
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\\{diff-minor-mode-map}"
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nil " Diff" nil
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;; FIXME: setup font-lock
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;; FIXME: setup change hooks
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)
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;; setup change hooks
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(if (not diff-update-on-the-fly-flag)
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(add-hook 'write-contents-hooks 'diff-write-contents-hooks)
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(make-local-variable 'diff-unhandled-changes)
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(add-hook (make-local-hook 'after-change-functions)
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'diff-after-change-function nil t)
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(add-hook (make-local-hook 'post-command-hook)
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'diff-post-command-hook nil t)))
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;; provide the package
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@ -867,6 +891,17 @@ This mode runs `diff-mode-hook'.
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;;; Change Log:
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;; $Log: diff-mode.el,v $
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;; Revision 1.4 1999/12/07 07:04:03 monnier
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;; * diff-mode.el (diff-mode-shared-map): fset'd and doc change.
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;; (diff-minor-mode, diff-minor-mode-prefix, diff-minor-mode-map):
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;; New code to support the minor mode version.
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;; (diff-recenter): New function.
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;; (diff-next-hunk, diff-next-file): Use it.
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;; (diff-remembered-files-alist): New var.
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;; (diff-merge-strings): New function.
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;; (diff-find-file-name): Make it smarter and use the user's input more.
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;; (diff-mode): Cosmetic changes.
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;;
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;; Revision 1.11 1999/10/09 23:38:29 monnier
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;; (diff-mode-load-hook): dropped.
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;; (auto-mode-alist): also catch *.diffs.
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