;;; ediff-util.el --- the core commands and utilities of ediff
-;; Copyright (C) 1994, 95, 96, 97, 98, 99, 2000, 01 Free Software Foundation, Inc.
+;; Copyright (C) 1994, 95, 96, 97, 98, 99, 2000, 01, 02, 04 Free Software Foundation, Inc.
-;; Author: Michael Kifer <kifer@cs.sunysb.edu>
+;; Author: Michael Kifer <kifer@cs.stonybrook.edu>
;; This file is part of GNU Emacs.
;;; Commentary:
;;; Code:
-
+
(provide 'ediff-util)
;; Compiler pacifier
(defvar mark-active)
(defvar ediff-emacs-p)
+(defvar ediff-after-quit-hook-internal nil)
+
+(and noninteractive
+ (eval-when-compile
+ (load "reporter" 'noerror)))
+
(eval-when-compile
(let ((load-path (cons (expand-file-name ".") load-path)))
(or (featurep 'ediff-init)
(setq mode-name "Ediff")
(run-hooks 'ediff-mode-hook))
-
+
\f
;;; Build keymaps
(if (null ediff-mode-map)
(ediff-setup-keymap))
(use-local-map ediff-mode-map))
-
+
;; Reload Ediff keymap. For debugging only.
(defun ediff-reload-keymap ()
(interactive)
(setq ediff-mode-map nil)
(ediff-set-keys))
-
+
(defun ediff-setup-keymap ()
"Set up the keymap used in the control buffer of Ediff."
(setq ediff-mode-map (make-sparse-keymap))
(suppress-keymap ediff-mode-map)
-
+
(define-key ediff-mode-map
(if ediff-emacs-p [mouse-2] [button2]) 'ediff-help-for-quick-help)
(define-key ediff-mode-map "\C-m" 'ediff-help-for-quick-help)
(define-key ediff-mode-map "wb" 'ediff-save-buffer)
(define-key ediff-mode-map "wd" 'ediff-save-buffer)
(define-key ediff-mode-map "=" 'ediff-inferior-compare-regions)
- (if (fboundp 'ediff-show-patch-diagnostics)
+ (if (and (fboundp 'ediff-show-patch-diagnostics) (ediff-patch-job))
(define-key ediff-mode-map "P" 'ediff-show-patch-diagnostics))
(if ediff-3way-job
(progn
))
(define-key ediff-mode-map "m" 'ediff-toggle-wide-display)
-
+
;; Allow ediff-mode-map to be referenced indirectly
(fset 'ediff-mode-map ediff-mode-map)
(run-hooks 'ediff-keymap-setup-hook))
(ediff-convert-standard-filename (expand-file-name file-C))))
(if (stringp merge-buffer-file)
(progn
- (setq merge-buffer-file
+ (setq merge-buffer-file
(ediff-convert-standard-filename
(expand-file-name merge-buffer-file)))
;; check the directory exists
(or (file-exists-p (file-name-directory merge-buffer-file))
(error "Directory %s given as place to save the merge doesn't exist"
- (abbreviate-file-name
+ (abbreviate-file-name
(file-name-directory merge-buffer-file))))
(if (and (file-exists-p merge-buffer-file)
(file-directory-p merge-buffer-file))
(error "The merge buffer file %s must not be a directory"
(abbreviate-file-name merge-buffer-file)))
))
- (let* ((control-buffer-name
+ (let* ((control-buffer-name
(ediff-unique-buffer-name "*Ediff Control Panel" "*"))
(control-buffer (ediff-with-current-buffer buffer-A
(get-buffer-create control-buffer-name))))
(ediff-with-current-buffer control-buffer
- (ediff-mode)
-
+ (ediff-mode)
+
(make-local-variable 'ediff-use-long-help-message)
(make-local-variable 'ediff-prefer-iconified-control-frame)
(make-local-variable 'ediff-split-window-function)
(make-local-variable 'ediff-window-setup-function)
(make-local-variable 'ediff-keep-variants)
- (make-local-hook 'ediff-after-quit-hook-internal)
-
+ (ediff-cond-compile-for-xemacs-or-emacs
+ (make-local-hook 'ediff-after-quit-hook-internal) ; xemacs form
+ nil ; emacs form
+ )
+
;; unwrap set up parameters passed as argument
(while setup-parameters
(set (car (car setup-parameters)) (cdr (car setup-parameters)))
(setq setup-parameters (cdr setup-parameters)))
-
+
;; set variables classifying the current ediff job
;; must come AFTER setup-parameters
(setq ediff-3way-comparison-job (ediff-3way-comparison-job)
(if (string-match "buffer" (symbol-name ediff-job-name))
(setq ediff-keep-variants t))
- (make-local-hook 'pre-command-hook)
+ (ediff-cond-compile-for-xemacs-or-emacs
+ (make-local-hook 'pre-command-hook) ; xemacs form
+ nil ; emacs form
+ )
+
(if (ediff-window-display-p)
- (add-hook 'pre-command-hook 'ediff-spy-after-mouse nil t))
+ (add-hook 'pre-command-hook 'ediff-spy-after-mouse nil 'local))
(setq ediff-mouse-pixel-position (mouse-pixel-position))
-
+
;; adjust for merge jobs
(if ediff-merge-job
(let ((buf
(cond ((eq ediff-default-variant 'default-B)
buffer-B)
(t buffer-A))))
-
+
(setq ediff-split-window-function
- ediff-merge-split-window-function)
-
+ ediff-merge-split-window-function)
+
;; remember the ancestor buffer, if any
(setq ediff-ancestor-buffer buffer-C)
-
+
(setq buffer-C
(get-buffer-create
(ediff-unique-buffer-name "*ediff-merge" "*")))
(set-buffer buffer-C)
(insert-buffer buf)
(funcall (ediff-with-current-buffer buf major-mode))
+ (widen) ; merge buffer is always widened
(add-hook 'local-write-file-hooks 'ediff-set-merge-mode nil t)
)))
- (setq buffer-read-only nil
+ (setq buffer-read-only nil
ediff-buffer-A buffer-A
ediff-buffer-B buffer-B
ediff-buffer-C buffer-C
ediff-control-buffer control-buffer)
(ediff-choose-syntax-table)
-
+
(setq ediff-control-buffer-suffix
(if (string-match "<[0-9]*>" control-buffer-name)
(substring control-buffer-name
(or
(string-match "[0-9]+" ediff-control-buffer-suffix)
0))))))
-
+
(setq ediff-error-buffer
(get-buffer-create (ediff-unique-buffer-name "*ediff-errors" "*")))
-
+
(ediff-with-current-buffer buffer-A (ediff-strip-mode-line-format))
(ediff-with-current-buffer buffer-B (ediff-strip-mode-line-format))
(if ediff-3way-job
(if (ediff-buffer-live-p ediff-ancestor-buffer)
(ediff-with-current-buffer ediff-ancestor-buffer
(ediff-strip-mode-line-format)))
-
+
(ediff-save-protected-variables) ; save variables to be restored on exit
-
+
;; ediff-setup-diff-regions-function must be set after setup
;; parameters are processed.
(setq ediff-setup-diff-regions-function
(if ediff-diff3-job
'ediff-setup-diff-regions3
'ediff-setup-diff-regions))
-
+
(setq ediff-wide-bounds
(list (ediff-make-bullet-proof-overlay
'(point-min) '(point-max) ediff-buffer-A)
'(point-min) '(point-max) ediff-buffer-B)
(ediff-make-bullet-proof-overlay
'(point-min) '(point-max) ediff-buffer-C)))
-
+
;; This has effect only on ediff-windows/regions
;; In all other cases, ediff-visible-region sets visibility bounds to
;; ediff-wide-bounds, and ediff-narrow-bounds are ignored.
(if ediff-start-narrowed
(setq ediff-visible-bounds ediff-narrow-bounds)
(setq ediff-visible-bounds ediff-wide-bounds))
-
+
(ediff-set-keys) ; comes after parameter setup
-
+
;; set up ediff-narrow-bounds, if not set
(or ediff-narrow-bounds
(setq ediff-narrow-bounds ediff-wide-bounds))
-
+
;; All these must be inside ediff-with-current-buffer control-buffer,
;; since these vars are local to control-buffer
;; These won't run if there are errors in diff
(if ediff-3way-job
(ediff-with-current-buffer ediff-buffer-C
(ediff-nuke-selective-display)
+ ;; the merge bufer should never be narrowed
+ ;; (it can happen if it is on rmail-mode or similar)
+ (if (ediff-with-current-buffer control-buffer ediff-merge-job)
+ (widen))
(run-hooks 'ediff-prepare-buffer-hook)
;; add control-buffer to the list of sessions
(or (memq control-buffer ediff-this-buffer-ediff-sessions)
(setq ediff-this-buffer-ediff-sessions
(cons control-buffer
- ediff-this-buffer-ediff-sessions)))
+ ediff-this-buffer-ediff-sessions)))
(if ediff-make-buffers-readonly-at-startup
- (setq buffer-read-only t))
+ (setq buffer-read-only t)
+ (setq buffer-read-only nil))
))
(if (ediff-buffer-live-p ediff-ancestor-buffer)
(cons control-buffer
ediff-this-buffer-ediff-sessions)))
))
-
- ;; must come after setting up ediff-narrow-bounds AND after
+
+ ;; the following must be after setting up ediff-narrow-bounds AND after
;; nuking selective display
(funcall ediff-setup-diff-regions-function file-A file-B file-C)
(setq ediff-number-of-differences (length ediff-difference-vector-A))
(setq ediff-current-difference -1)
-
+
(ediff-make-current-diff-overlay 'A)
(ediff-make-current-diff-overlay 'B)
(if ediff-3way-job
(ediff-make-current-diff-overlay 'C))
(if ediff-merge-with-ancestor-job
(ediff-make-current-diff-overlay 'Ancestor))
-
+
(ediff-setup-windows buffer-A buffer-B buffer-C control-buffer)
-
+
(let ((shift-A (ediff-overlay-start
(ediff-get-value-according-to-buffer-type
'A ediff-narrow-bounds)))
(select-window ediff-window-C)
(goto-char shift-C)))
)
-
+
(select-window ediff-control-window)
(ediff-visible-region)
-
+
(run-hooks 'startup-hooks)
(ediff-arrange-autosave-in-merge-jobs merge-buffer-file)
(run-hooks 'ediff-startup-hook)
) ; eval in control-buffer
control-buffer))
-
-
+
+
;; This function assumes that we are in the window where control buffer is
-;; to reside.
+;; to reside.
(defun ediff-setup-control-buffer (ctl-buf)
"Set up window for control buffer."
(if (window-dedicated-p (selected-window))
(ediff-make-bottom-toolbar)) ; this checks if toolbar is requested
(goto-char (point-min))
(skip-chars-forward ediff-whitespace)))
-
+
;; This executes in control buffer and sets auto-save, visited file name, etc,
;; in the merge buffer
(defun ediff-arrange-autosave-in-merge-jobs (merge-buffer-file)
(if (stringp ediff-merge-store-file)
(progn
;; save before leaving ctl buffer
- (setq merge-buffer-file ediff-merge-store-file)
+ (ediff-verify-file-merge-buffer ediff-merge-store-file)
+ (setq merge-buffer-file ediff-merge-store-file)
(ediff-with-current-buffer ediff-buffer-C
(set-visited-file-name merge-buffer-file))))
(ediff-with-current-buffer ediff-buffer-C
\f
;;; Commands for working with Ediff
-
+
(defun ediff-update-diffs ()
"Recompute difference regions in buffers A, B, and C.
Buffers are not synchronized with their respective files, so changes done
(y-or-n-p
"Ancestor buffer will not be used. Recompute diffs anyway? ")))
(error "Recomputation of differences canceled"))
-
+
(let ((point-A (ediff-with-current-buffer ediff-buffer-A (point)))
;;(point-B (ediff-with-current-buffer ediff-buffer-B (point)))
(tmp-buffer (get-buffer-create ediff-tmp-buffer))
(setq buf-C-file-name (file-name-nondirectory buf-C-file-name)))
(ediff-unselect-and-select-difference -1)
-
+
(setq beg-A (ediff-overlay-start overl-A)
beg-B (ediff-overlay-start overl-B)
beg-C (ediff-overlay-start overl-C)
end-A (ediff-overlay-end overl-A)
end-B (ediff-overlay-end overl-B)
end-C (ediff-overlay-end overl-C))
-
+
(if ediff-word-mode
(progn
(ediff-wordify beg-A end-A ediff-buffer-A tmp-buffer)
(if ediff-3way-job
(setq file-C (ediff-make-temp-file ediff-buffer-C buf-C-file-name)))
)
-
+
(ediff-clear-diff-vector 'ediff-difference-vector-A 'fine-diffs-also)
(ediff-clear-diff-vector 'ediff-difference-vector-B 'fine-diffs-also)
(ediff-clear-diff-vector 'ediff-difference-vector-C 'fine-diffs-also)
ediff-state-of-merge nil)
(setq ediff-killed-diffs-alist nil) ; invalidate saved killed diff regions
-
+
;; In case of merge job, fool it into thinking that it is just doing
;; comparison
(let ((ediff-setup-diff-regions-function ediff-setup-diff-regions-function)
ediff-merge-with-ancestor-job nil
ediff-job-name 'ediff-files3))
(funcall ediff-setup-diff-regions-function file-A file-B file-C))
-
+
(setq ediff-number-of-differences (length ediff-difference-vector-A))
(delete-file file-A)
(delete-file file-B)
(if file-C
(delete-file file-C))
-
+
(if ediff-3way-job
(ediff-set-state-of-all-diffs-in-all-buffers ediff-control-buffer))
-
+
(ediff-jump-to-difference (ediff-diff-at-point 'A point-A))
(message "")
))
-
+
;; Not bound to any key---to dangerous. A user can do it if necessary.
(defun ediff-revert-buffers-then-recompute-diffs (noconfirm)
"Revert buffers A, B and C. Then rerun Ediff on file A and file B."
(ediff-update-diffs))))
-;; optional NO-REHIGHLIGHT says to not rehighlight buffers
+;; optional NO-REHIGHLIGHT says to not rehighlight buffers
(defun ediff-recenter (&optional no-rehighlight)
"Bring the highlighted region of all buffers being compared into view.
Reestablish the default three-window display."
(message ediff-KILLED-VITAL-BUFFER
(beep 1)))
))
-
+
;; set visibility range appropriate to this invocation of Ediff.
(ediff-visible-region)
;; raise
(not ediff-use-long-help-message)
(not (ediff-frame-iconified-p ediff-control-frame)))
(raise-frame ediff-control-frame))
-
+
;; Redisplay whatever buffers are showing, if there is a selected difference
(let ((control-frame ediff-control-frame)
(control-buf ediff-control-buffer))
(progn
(or no-rehighlight
(ediff-select-difference ediff-current-difference))
-
+
(ediff-recenter-one-window 'A)
(ediff-recenter-one-window 'B)
(if ediff-3way-job
(ediff-recenter-one-window 'C))
-
+
(ediff-with-current-buffer control-buf
(ediff-recenter-ancestor) ; check if ancestor is alive
-
+
(if (and (ediff-multiframe-setup-p)
(not ediff-use-long-help-message)
(not (ediff-frame-iconified-p ediff-control-frame)))
(eq this-command 'ediff-quit))))
))
- (ediff-restore-highlighting)
+ (or no-rehighlight
+ (ediff-restore-highlighting))
(ediff-with-current-buffer control-buf (ediff-refresh-mode-lines))
))
-
+
;; this function returns to the window it was called from
;; (which was the control window)
(defun ediff-recenter-one-window (buf-type)
;; context must be saved before switching to windows A/B/C
(let* ((ctl-wind (selected-window))
(shift (ediff-overlay-start
- (ediff-get-value-according-to-buffer-type
+ (ediff-get-value-according-to-buffer-type
buf-type ediff-narrow-bounds)))
(job-name ediff-job-name)
(control-buf ediff-control-buffer)
buf-type ediff-window-alist))
(window (if (window-live-p (symbol-value window-name))
(symbol-value window-name))))
-
+
(if (and window ediff-windows-job)
(set-window-start window shift))
(if window
(select-window ctl-wind)
)))
-
+
;; This will have to be refined for 3way jobs
(defun ediff-toggle-split ()
- "Toggle vertical/horizontal window split.
+ "Toggle vertical/horizontal window split.
Does nothing if file-A and file-B are in different frames."
(interactive)
(ediff-barf-if-not-control-buffer)
'split-window-vertically))
(message "Buffers being compared are in different frames"))
(ediff-recenter 'no-rehighlight)))
-
+
(defun ediff-toggle-hilit ()
"Switch between highlighting using ASCII flags and highlighting using faces.
-On a dumb terminal, switches between ASCII highlighting and no highlighting."
+On a dumb terminal, switches between ASCII highlighting and no highlighting."
(interactive)
(ediff-barf-if-not-control-buffer)
- (if (not (ediff-has-face-support-p))
- (if (eq ediff-highlighting-style 'ascii)
- (progn
- (message "ASCII highlighting flags removed")
- (ediff-unselect-and-select-difference ediff-current-difference
- 'unselect-only)
- (setq ediff-highlighting-style 'off))
- (ediff-unselect-and-select-difference ediff-current-difference
- 'select-only))
- (ediff-unselect-and-select-difference ediff-current-difference
- 'unselect-only)
- ;; cycle through highlighting
- (cond ((and ediff-use-faces ediff-highlight-all-diffs)
- (message "Unhighlighting unselected difference regions")
- (setq ediff-highlight-all-diffs nil))
- (ediff-use-faces
- (message "Highlighting with ASCII flags")
- (setq ediff-use-faces nil))
- (t
- (message "Re-highlighting all difference regions")
- (setq ediff-use-faces t
- ediff-highlight-all-diffs t)))
-
- (if (and ediff-use-faces ediff-highlight-all-diffs)
- (ediff-paint-background-regions)
- (ediff-paint-background-regions 'unhighlight))
-
- (ediff-unselect-and-select-difference
- ediff-current-difference 'select-only))
- )
-
+ (ediff-unselect-and-select-difference
+ ediff-current-difference 'unselect-only)
+ ;; cycle through highlighting
+ (cond ((and ediff-use-faces
+ (ediff-has-face-support-p)
+ ediff-highlight-all-diffs)
+ (message "Unhighlighting unselected difference regions")
+ (setq ediff-highlight-all-diffs nil
+ ediff-highlighting-style 'face))
+ ((or (and ediff-use-faces (ediff-has-face-support-p)
+ (eq ediff-highlighting-style 'face)) ; has face support
+ (and (not (ediff-has-face-support-p)) ; no face support
+ (eq ediff-highlighting-style 'off)))
+ (message "Highlighting with ASCII flags")
+ (setq ediff-highlighting-style 'ascii
+ ediff-highlight-all-diffs nil
+ ediff-use-faces nil))
+ ((eq ediff-highlighting-style 'ascii)
+ (message "ASCII highlighting flags removed")
+ (setq ediff-highlighting-style 'off
+ ediff-highlight-all-diffs nil))
+ ((ediff-has-face-support-p) ; catch-all for cases with face support
+ (message "Re-highlighting all difference regions")
+ (setq ediff-use-faces t
+ ediff-highlighting-style 'face
+ ediff-highlight-all-diffs t)))
+
+ (if (and ediff-use-faces ediff-highlight-all-diffs)
+ (ediff-paint-background-regions)
+ (ediff-paint-background-regions 'unhighlight))
+
+ (ediff-unselect-and-select-difference
+ ediff-current-difference 'select-only))
+
+
(defun ediff-toggle-autorefine ()
"Toggle auto-refine mode."
(interactive)
(cond ((setq wind (ediff-get-visible-buffer-window ediff-ancestor-buffer))
(raise-frame (window-frame wind)))
(t (set-window-buffer ediff-window-C ediff-ancestor-buffer)))))
-
+
(defun ediff-make-or-kill-fine-diffs (arg)
"Compute fine diffs. With negative prefix arg, kill fine diffs.
-In both cases, operates on the current difference region."
+In both cases, operates on the current difference region."
(interactive "P")
(ediff-barf-if-not-control-buffer)
(cond ((eq arg '-)
((and (numberp arg) (< arg 0))
(ediff-clear-fine-differences ediff-current-difference))
(t (ediff-make-fine-diffs))))
-
-
+
+
(defun ediff-toggle-help ()
"Toggle short/long help message."
(interactive)
(if (and ediff-use-long-help-message (ediff-multiframe-setup-p))
(setq ediff-prefer-iconified-control-frame
(ediff-frame-iconified-p ediff-control-frame)))
-
+
(setq ediff-window-config-saved "") ; force redisplay
(ediff-recenter 'no-rehighlight))
-
-
+
+
;; If BUF, this is the buffer to toggle, not current buffer.
(defun ediff-toggle-read-only (&optional buf)
"Toggle read-only in current buffer.
(or buf (ediff-recenter))
(or buf
(setq buf (ediff-get-buffer buf-type)))
-
+
(ediff-with-current-buffer buf ; eval in buf A/B/C
(let* ((file (buffer-file-name buf))
(file-writable (and file
(message
"Boy, this is risky! Don't modify this file...")
(sit-for 3)))) ; let the user see the warning
- (if (and toggle-ro-cmd
+ (if (and toggle-ro-cmd
(string-match "toggle-read-only" (symbol-name toggle-ro-cmd)))
(save-excursion
(save-window-excursion
(select-window (ediff-get-visible-buffer-window buf))
(command-execute toggle-ro-cmd)))
(error "Don't know how to toggle read-only in buffer %S" buf))
-
+
;; Check if we made the current buffer updatable, but its file is RO.
;; Signal a warning in this case.
(if (and file (not buffer-read-only)
(eq this-command 'ediff-toggle-read-only)
(file-exists-p file)
(not (file-writable-p file)))
- (message "Warning: file %s is read-only"
- (ediff-abbreviate-file-name file) (beep 1)))
+ (progn
+ (beep 1)
+ (message "Warning: file %s is read-only"
+ (ediff-abbreviate-file-name file))))
))))
;; checkout if visited file is checked in
(ediff-abbreviate-file-name file))))
(ediff-with-current-buffer buf
(command-execute checkout-function)))))
-
+
;; This is a simple-minded check for whether a file is under version control.
;; If file,v exists but file doesn't, this file is considered to be not checked
;; XEmacs has no vc-state
(vc-locking-user file))
)))
-
+
(defsubst ediff-file-checked-in-p (file)
(and (featurep 'vc-hooks)
;; CVS files are considered not checked in
(not (memq (vc-backend file) '(nil CVS)))
(if (fboundp 'vc-state)
- (progn
- (not (memq (vc-state file) '(edited needs-merge)))
- (not (stringp (vc-state file))))
+ (and
+ (not (memq (vc-state file) '(edited needs-merge)))
+ (not (stringp (vc-state file))))
;; XEmacs has no vc-state
(not (vc-locking-user file)))
))
(if (featurep 'jka-compr)
(string-match (jka-compr-build-file-regexp) file)))
-
+
(defun ediff-swap-buffers ()
"Rotate the display of buffers A, B, and C."
(interactive)
ediff-buffer-B buf)
(setq ediff-buffer-A ediff-buffer-B
ediff-buffer-B buf))
-
+
;; swap saved buffer characteristics
(if ediff-3way-comparison-job
(setq ediff-buffer-values-orig-A ediff-buffer-values-orig-C
ediff-buffer-values-orig-B values)
(setq ediff-buffer-values-orig-A ediff-buffer-values-orig-B
ediff-buffer-values-orig-B values))
-
+
;; swap diff vectors
(if ediff-3way-comparison-job
(setq ediff-difference-vector-A ediff-difference-vector-C
ediff-difference-vector-B diff-vec)
(setq ediff-difference-vector-A ediff-difference-vector-B
ediff-difference-vector-B diff-vec))
-
+
;; swap hide/focus regexp
(if ediff-3way-comparison-job
(setq ediff-regexp-hide-A ediff-regexp-hide-C
ediff-regexp-hide-B hide-regexp
ediff-regexp-focus-A ediff-regexp-focus-B
ediff-regexp-focus-B focus-regexp))
-
+
;; The following is needed for XEmacs, since there one can't move
;; overlay to another buffer. In Emacs, this swap is redundant.
(if (ediff-has-face-support-p)
ediff-current-diff-overlay-B overlay)
(setq ediff-current-diff-overlay-A ediff-current-diff-overlay-B
ediff-current-diff-overlay-B overlay)))
-
+
;; swap wide bounds
(setq ediff-wide-bounds
(cond (ediff-3way-comparison-job
(list (nth 1 ediff-wide-bounds)
(nth 0 ediff-wide-bounds)
(nth 2 ediff-wide-bounds)))
- (t
+ (t
(list (nth 1 ediff-wide-bounds)
(nth 0 ediff-wide-bounds)))))
;; swap narrow bounds
(list (nth 1 ediff-narrow-bounds)
(nth 0 ediff-narrow-bounds)
(nth 2 ediff-narrow-bounds)))
- (t
+ (t
(list (nth 1 ediff-narrow-bounds)
(nth 0 ediff-narrow-bounds)))))
(if wide-visibility-p
(ediff-set-state-of-all-diffs-in-all-buffers ediff-control-buffer))
(ediff-recenter 'no-rehighlight)
)
-
+
(defun ediff-toggle-wide-display ()
"Toggle wide/regular display.
(ediff-with-current-buffer ctl-buf
(setq ediff-window-B nil) ; force update of window config
(ediff-recenter 'no-rehighlight)))))
-
+
;;;###autoload
(defun ediff-toggle-multiframe ()
"Switch from multiframe display to single-frame display and back.
(ediff-kill-bottom-toolbar))
;; do this only after killing the toolbar
(setq ediff-use-toolbar-p (not ediff-use-toolbar-p))
-
+
(mapcar (lambda(buf)
(ediff-with-current-buffer buf
;; force redisplay
;;(selected-frame).
;; The problem with this is that any previous bottom-toolbar
;; will not re-appear after our cleanup here. Is there a way
- ;; to do "push" and "pop" toolbars ? --marcpa
+ ;; to do "push" and "pop" toolbars ? --marcpa
(if (ediff-use-toolbar-p)
- (progn
- (set-specifier bottom-toolbar (list (selected-frame) nil))
- (set-specifier bottom-toolbar-visible-p (list (selected-frame) nil)))))
+ (ediff-cond-compile-for-xemacs-or-emacs
+ (progn ; xemacs
+ (set-specifier bottom-toolbar (list (selected-frame) nil))
+ (set-specifier bottom-toolbar-visible-p (list (selected-frame) nil)))
+ nil ; emacs
+ )
+ ))
;; If wants to use toolbar, make it.
;; If not, zero the toolbar for XEmacs.
(progn
(setq frame (or frame (selected-frame)))
(cond ((ediff-use-toolbar-p) ; this checks for XEmacs
- (set-specifier
- bottom-toolbar
- (list frame (if (ediff-3way-comparison-job)
- ediff-toolbar-3way ediff-toolbar)))
- (set-specifier bottom-toolbar-visible-p (list frame t))
- (set-specifier bottom-toolbar-height
- (list frame ediff-toolbar-height)))
+ (ediff-cond-compile-for-xemacs-or-emacs
+ (progn ; xemacs
+ (set-specifier
+ bottom-toolbar
+ (list frame (if (ediff-3way-comparison-job)
+ ediff-toolbar-3way ediff-toolbar)))
+ (set-specifier bottom-toolbar-visible-p (list frame t))
+ (set-specifier bottom-toolbar-height
+ (list frame ediff-toolbar-height)))
+ nil ; emacs
+ )
+ )
((ediff-has-toolbar-support-p)
- (set-specifier bottom-toolbar-height (list frame 0)))
+ (ediff-cond-compile-for-xemacs-or-emacs
+ (set-specifier bottom-toolbar-height (list frame 0)) ; xemacs
+ nil ; emacs
+ )
+ )
))
))
-
+
;; Merging
(defun ediff-toggle-show-clashes-only ()
(message "Showing regions that differ from default setting")))
-
+
;; Widening/narrowing
(defun ediff-toggle-narrow-region ()
(setq ediff-visible-bounds ediff-narrow-bounds)
(setq ediff-visible-bounds ediff-wide-bounds))
(ediff-recenter 'no-rehighlight))
-
+
;; Narrow bufs A/B/C to ediff-visible-bounds. If this is currently set to
;; ediff-wide-bounds, then this actually widens.
;; This function does nothing if job-name is not
-;; ediff-regions-wordwise/linewise or ediff-windows-wordwise/linewise.
+;; ediff-regions-wordwise/linewise or ediff-windows-wordwise/linewise.
;; Does nothing if buffer-A = buffer-B since we can't narrow
;; to two different regions in one buffer.
(defun ediff-visible-region ()
(if (ediff-overlay-buffer overl-B)
(narrow-to-region
(ediff-overlay-start overl-B) (ediff-overlay-end overl-B))))
-
+
(if (and ediff-3way-job (ediff-overlay-buffer overl-C))
(ediff-with-current-buffer ediff-buffer-C
(narrow-to-region
(ediff-overlay-start overl-C) (ediff-overlay-end overl-C))))
)))
-
+
;; Window scrolling operations
;; Usually, errors come from scrolling off the
;; beginning or end of the buffer, and this gives error messages.
(defun ediff-operate-on-windows (operation arg)
-
+
;; make sure windows aren't dead
(if (not (and (window-live-p ediff-window-A) (window-live-p ediff-window-B)))
(ediff-recenter 'no-rehighlight))
(or (not ediff-3way-job) ediff-buffer-C)
))
(error ediff-KILLED-VITAL-BUFFER))
-
+
(let* ((wind (selected-window))
(wind-A ediff-window-A)
(wind-B ediff-window-B)
(three-way ediff-3way-job)
(coefC (if three-way
(ediff-get-region-size-coefficient 'C operation))))
-
+
(select-window wind-A)
(condition-case nil
(funcall operation (round (* coefA arg)))
the one half of the height of window-A."
(interactive "P")
(ediff-barf-if-not-control-buffer)
-
+
;; make sure windows aren't dead
(if (not (and (window-live-p ediff-window-A) (window-live-p ediff-window-B)))
(ediff-recenter 'no-rehighlight))
(ediff-buffer-live-p ediff-buffer-C))
))
(error ediff-KILLED-VITAL-BUFFER))
-
+
(ediff-operate-on-windows
(if (memq last-command-char '(?v ?\C-v))
- 'scroll-up
+ 'scroll-up
'scroll-down)
;; calculate argument to scroll-up/down
;; if there is an explicit argument
(prefix-numeric-value arg)
;; if not, see if we can determine a default amount (the window height)
(let (default-amount)
- (setq default-amount
+ (setq default-amount
(- (/ (min (window-height ediff-window-A)
(window-height ediff-window-B)
(if ediff-3way-job
the width of the A/B/C windows."
(interactive "P")
(ediff-barf-if-not-control-buffer)
-
+
;; make sure windows aren't dead
(if (not (and (window-live-p ediff-window-A) (window-live-p ediff-window-B)))
(ediff-recenter 'no-rehighlight))
(ediff-buffer-live-p ediff-buffer-C))
))
(error ediff-KILLED-VITAL-BUFFER))
-
+
(ediff-operate-on-windows
;; Arrange for scroll-left and scroll-right being called
;; interactively so that they set the window's min_hscroll.
;; Otherwise, automatic hscrolling will undo the effect of
;; hscrolling.
(if (= last-command-char ?<)
- (lambda (arg)
+ (lambda (arg)
(let ((prefix-arg arg))
(call-interactively 'scroll-left)))
(lambda (arg)
;;BEG, END show the region to be positioned.
;;JOB-NAME holds ediff-job-name. The ediff-windows job positions regions
-;;differently.
+;;differently.
(defun ediff-position-region (beg end pos job-name)
(if (> end (point-max))
(setq end (point-max)))
(defun ediff-next-difference (&optional arg)
- "Advance to the next difference.
+ "Advance to the next difference.
With a prefix argument, go forward that many differences."
(interactive "p")
(ediff-barf-if-not-control-buffer)
(let ((n (min ediff-number-of-differences
(+ ediff-current-difference (or arg 1))))
non-clash-skip skip-changed regexp-skip)
-
+
(ediff-visible-region)
(or (>= n ediff-number-of-differences)
(setq regexp-skip (funcall ediff-skip-diff-region-function n))
;; this won't exec if regexp-skip is t
(setq non-clash-skip (ediff-merge-region-is-non-clash n)
- skip-changed
+ skip-changed
(ediff-skip-merge-region-if-changed-from-default-p n))
(ediff-install-fine-diff-if-necessary n))
;; Skip loop
(error "At end of the difference list")))
(defun ediff-previous-difference (&optional arg)
- "Go to the previous difference.
+ "Go to the previous difference.
With a prefix argument, go back that many differences."
(interactive "p")
(ediff-barf-if-not-control-buffer)
(if (> ediff-current-difference -1)
(let ((n (max -1 (- ediff-current-difference (or arg 1))))
non-clash-skip skip-changed regexp-skip)
-
+
(ediff-visible-region)
(or (< n 0)
(setq regexp-skip (funcall ediff-skip-diff-region-function n))
;; this won't exec if regexp-skip is t
(setq non-clash-skip (ediff-merge-region-is-non-clash n)
- skip-changed
+ skip-changed
(ediff-skip-merge-region-if-changed-from-default-p n))
(ediff-install-fine-diff-if-necessary n))
(while (and (> n -1)
(ediff-unselect-and-select-difference difference-number)
(error ediff-BAD-DIFF-NUMBER
this-command (1+ difference-number) ediff-number-of-differences)))
-
+
(defun ediff-jump-to-difference-at-point (arg)
"Go to difference closest to the point in buffer A, B, or C.
The buffer depends on last command character \(a, b, or c\) that invoked this
(select-window ctl-wind)
))
))
-
-
+
+
;; find region most related to the current point position (or POS, if given)
;; returns diff number as seen by the user (i.e., 1+ the internal
-;; representation)
+;; representation)
;; The optional argument WHICH-DIFF can be `after' or `before'. If `after',
;; find the diff after the point. If `before', find the diff before the
;; point. If the point is inside a diff, return that diff.
(prev-end 0)
(beg 0)
(end 0))
-
+
(ediff-with-current-buffer buffer
(setq pos (or pos (point)))
(while (and (or (< pos prev-beg) (> pos beg))
(setq beg (ediff-get-diff-posn buf-type 'beg diff-no ctl-buffer)
end (ediff-get-diff-posn buf-type 'end diff-no ctl-buffer))
)
-
+
;; boost diff-no by 1, if past the last diff region
(if (and (memq which-diff '(after before))
(> pos beg) (= diff-no max-dif-num))
(let* ((key1 (aref keys 0))
(key2 (aref keys 1))
- (char1 (if (and ediff-xemacs-p (eventp key1)) (event-key key1) key1))
- (char2 (if (and ediff-xemacs-p (eventp key1)) (event-key key2) key2))
+ (char1 (ediff-event-key key1))
+ (char2 (ediff-event-key key2))
ediff-verbose-p)
(ediff-copy-diff ediff-current-difference
(ediff-char-to-buftype char1)
messg
ediff-verbose-p
reg-to-delete reg-to-delete-beg reg-to-delete-end)
-
+
(setq reg-to-delete-beg
(ediff-get-diff-posn to-buf-type 'beg n ctrl-buf))
(setq reg-to-delete-end
(ediff-get-diff-posn to-buf-type 'end n ctrl-buf))
-
+
(if reg-to-copy
(setq from-buf-type nil)
(setq reg-to-copy (ediff-get-region-contents n from-buf-type ctrl-buf)))
-
+
(setq reg-to-delete (ediff-get-region-contents
n to-buf-type ctrl-buf
reg-to-delete-beg reg-to-delete-end))
-
+
(if (string= reg-to-delete reg-to-copy)
(setq saved-p nil) ; don't copy identical buffers
;; seems ok to copy
(ediff-with-current-buffer to-buf
;; to prevent flags from interfering if buffer is writable
(let ((inhibit-read-only (null buffer-read-only)))
-
+
(goto-char reg-to-delete-end)
(insert reg-to-copy)
-
+
(if (> reg-to-delete-end reg-to-delete-beg)
(kill-region reg-to-delete-beg reg-to-delete-end))
))
(or batch-invocation
- (setq
+ (setq
messg
(ediff-save-diff-region n to-buf-type reg-to-delete))))
(error (message "ediff-copy-diff: %s %s"
(setq saved-p nil)
)))
)
-
+
;; adjust state of difference in case 3-way and diff was copied ok
(if (and saved-p three-way)
(ediff-set-state-of-diff-in-all-buffers n ctrl-buf))
;; before reinserting flags (and thus before ediff-recenter).
(if (and saved-p three-way)
(ediff-clear-fine-differences n))
-
+
(ediff-refresh-mode-lines)
-
+
;; For diff2 jobs, don't recompute fine diffs, since we know there
;; aren't any. So we clear diffs after ediff-recenter.
(if (and saved-p (not three-way))
;; by the user
(message messg))
))
-
+
;; Save Nth diff of buffer BUF-TYPE \(A, B, or C\).
;; That is to say, the Nth diff on the `ediff-killed-diffs-alist'. REG
;; is the region to save. It is redundant here, but is passed anyway, for
(let* ((n-th-diff-saved (assoc n ediff-killed-diffs-alist))
(buf (ediff-get-buffer buf-type))
(this-buf-n-th-diff-saved (assoc buf (cdr n-th-diff-saved))))
-
+
(if this-buf-n-th-diff-saved
;; either nothing saved for n-th diff and buffer or we OK'ed
;; overriding
(if ediff-merge-job
"" (downcase (symbol-name buf-type))))
))
-
+
;; Test if saving Nth difference region of buffer BUF-TYPE is possible.
(defun ediff-test-save-region (n buf-type)
(let* ((n-th-diff-saved (assoc n ediff-killed-diffs-alist))
(buf (ediff-get-buffer buf-type))
(this-buf-n-th-diff-saved (assoc buf (cdr n-th-diff-saved))))
-
+
(if this-buf-n-th-diff-saved
(if (yes-or-no-p
- (format
+ (format
"You've previously copied diff region %d to buffer %S. Confirm "
(1+ n) buf-type))
t
(error "Quit"))
t)))
-
+
(defun ediff-pop-diff (n buf-type)
"Pop last killed Nth diff region from buffer BUF-TYPE."
(let* ((n-th-record (assoc n ediff-killed-diffs-alist))
(ctl-buf ediff-control-buffer)
ediff-verbose-p
saved-diff reg-beg reg-end recovered)
-
+
(if (cdr saved-rec)
(setq saved-diff (cdr saved-rec))
(if (> ediff-number-of-differences 0)
(error "Nothing saved for diff %d in buffer %S" (1+ n) buf-type)
(error ediff-NO-DIFFERENCES)))
-
+
(setq reg-beg (ediff-get-diff-posn buf-type 'beg n ediff-control-buffer))
(setq reg-end (ediff-get-diff-posn buf-type 'end n ediff-control-buffer))
-
+
(condition-case conds
(ediff-with-current-buffer buf
(let ((inhibit-read-only (null buffer-read-only)))
-
+
(goto-char reg-end)
(insert saved-diff)
-
+
(if (> reg-end reg-beg)
(kill-region reg-beg reg-end))
-
+
(setq recovered t)
))
(error (message "ediff-pop-diff: %s %s"
(car conds)
(mapconcat 'prin1-to-string (cdr conds) " "))
(beep 1)))
-
+
;; Clearing fine diffs is necessary for
;; ediff-unselect-and-select-difference to properly recompute them. We
;; can't rely on ediff-copy-diff to clear this vector, as the user might
;; fine diffs.
(if recovered
(ediff-clear-fine-differences n))
-
+
;; adjust state of difference
(if (and three-way recovered)
(ediff-set-state-of-diff-in-all-buffers n ctl-buf))
-
+
(ediff-refresh-mode-lines)
-
+
(if recovered
(progn
(setq n-th-record (delq saved-rec n-th-record))
(message "Diff region %d in buffer %S restored" (1+ n) buf-type)
))
))
-
+
(defun ediff-restore-diff (arg &optional key)
"Restore ARGth diff from `ediff-killed-diffs-alist'.
ARG is a prefix argument. If ARG is nil, restore the current-difference.
(ediff-barf-if-not-control-buffer)
(if (numberp arg)
(ediff-jump-to-difference arg))
- (ediff-pop-diff ediff-current-difference
+ (ediff-pop-diff ediff-current-difference
(ediff-char-to-buftype (or key last-command-char)))
;; recenter with rehighlighting, but no messages
(let (ediff-verbose-p)
ARG is a prefix argument. If nil, restore the current diff."
(interactive "P")
(ediff-restore-diff arg ?c))
-
-
+
+
(defun ediff-toggle-regexp-match ()
"Toggle between focusing and hiding of difference regions that match
a regular expression typed in by the user."
(setq ediff-skip-diff-region-function 'ediff-show-all-diffs))
((eq last-command-char ?h)
(setq ediff-skip-diff-region-function ediff-hide-regexp-matches-function
- regexp-A
+ regexp-A
(read-string
- (format
+ (format
"Ignore A-regions matching this regexp (default \"%s\"): "
ediff-regexp-hide-A))
regexp-B
(read-string
- (format
+ (format
"Ignore B-regions matching this regexp (default \"%s\"): "
ediff-regexp-hide-B)))
(if ediff-3way-comparison-job
(setq regexp-C
(read-string
- (format
+ (format
"Ignore C-regions matching this regexp (default \"%s\"): "
ediff-regexp-hide-C))))
(if (eq ediff-hide-regexp-connective 'and)
(if (y-or-n-p
(format
"Ignore regions that match %s regexps, OK? "
- msg-connective alt-msg-connective))
+ msg-connective))
(message "Will ignore regions that match %s regexps" msg-connective)
(setq ediff-hide-regexp-connective alt-connective)
(message "Will ignore regions that match %s regexps"
- alt-msg-connective))
+ alt-msg-connective))
(or (string= regexp-A "") (setq ediff-regexp-hide-A regexp-A))
(or (string= regexp-B "") (setq ediff-regexp-hide-B regexp-B))
((eq last-command-char ?f)
(setq ediff-skip-diff-region-function
ediff-focus-on-regexp-matches-function
- regexp-A
+ regexp-A
(read-string
- (format
+ (format
"Focus on A-regions matching this regexp (default \"%s\"): "
ediff-regexp-focus-A))
regexp-B
(read-string
- (format
+ (format
"Focus on B-regions matching this regexp (default \"%s\"): "
ediff-regexp-focus-B)))
(if ediff-3way-comparison-job
(setq regexp-C
(read-string
- (format
+ (format
"Focus on C-regions matching this regexp (default \"%s\"): "
ediff-regexp-focus-C))))
(if (eq ediff-focus-regexp-connective 'and)
(if (y-or-n-p
(format
"Focus on regions that match %s regexps, OK? "
- msg-connective alt-msg-connective))
+ msg-connective))
(message "Will focus on regions that match %s regexps"
msg-connective)
(setq ediff-focus-regexp-connective alt-connective)
- (message "Will focus on regions that match %s regexps"
+ (message "Will focus on regions that match %s regexps"
alt-msg-connective))
(or (string= regexp-A "") (setq ediff-regexp-focus-A regexp-A))
(or (string= regexp-B "") (setq ediff-regexp-focus-B regexp-B))
(or (string= regexp-C "") (setq ediff-regexp-focus-C regexp-C))))))
-
+
(defun ediff-toggle-skip-similar ()
(interactive)
(ediff-barf-if-not-control-buffer)
(message
"Skipping regions that differ only in white space & line breaks")
(message "Skipping over white-space differences turned off")))
-
+
(defun ediff-focus-on-regexp-matches (n)
"Focus on diffs that match regexp `ediff-regexp-focus-A/B'.
-Regions to be ignored according to this function are those where
+Regions to be ignored according to this function are those where
buf A region doesn't match `ediff-regexp-focus-A' and buf B region
doesn't match `ediff-regexp-focus-B'.
This function returns nil if the region number N (specified as
(list ediff-focus-regexp-connective
reg-A-match reg-B-match))))
)))
-
-(defun ediff-hide-regexp-matches (n)
+
+(defun ediff-hide-regexp-matches (n)
"Hide diffs that match regexp `ediff-regexp-hide-A/B/C'.
Regions to be ignored are those where buf A region matches
`ediff-regexp-hide-A' and buf B region matches `ediff-regexp-hide-B'.
reg-A-match reg-B-match reg-C-match)
(list ediff-hide-regexp-connective reg-A-match reg-B-match)))
)))
-
+
\f
;;; Quitting, suspending, etc.
\(but not buffers A, B, C\).
If `ediff-keep-variants' is nil, the user will be asked whether the buffers
-containing the variants should be removed \(if they haven't been modified\).
-If it is t, they will be preserved unconditionally. A prefix argument,
+containing the variants should be removed \(if they haven't been modified\).
+If it is t, they will be preserved unconditionally. A prefix argument,
temporarily reverses the meaning of this variable."
(interactive "P")
(ediff-barf-if-not-control-buffer)
(ediff-clear-diff-vector 'ediff-difference-vector-Ancestor 'fine-diffs-also)
(ediff-delete-temp-files)
-
- ;; Restore visibility range. This affects only ediff-*-regions/windows.
+
+ ;; Restore the visibility range. This affects only ediff-*-regions/windows.
;; Since for other job names ediff-visible-region sets
;; ediff-visible-bounds to ediff-wide-bounds, the settings below are
;; ignored for such jobs.
(if ediff-quit-widened
(setq ediff-visible-bounds ediff-wide-bounds)
(setq ediff-visible-bounds ediff-narrow-bounds))
-
+
;; Apply selective display to narrow or widen
(ediff-visible-region)
(mapcar (lambda (overl)
(session-number ediff-meta-session-number)
;; suitable working frame
(warp-frame (if (and (ediff-window-display-p) (eq ediff-grab-mouse t))
- (cond ((window-live-p ediff-window-A)
+ (cond ((window-live-p ediff-window-A)
(window-frame ediff-window-A))
- ((window-live-p ediff-window-B)
+ ((window-live-p ediff-window-B)
(window-frame ediff-window-B))
(t (next-frame))))))
(condition-case nil
(ediff-with-current-buffer ediff-buffer-A
- (setq ediff-this-buffer-ediff-sessions
+ (setq ediff-this-buffer-ediff-sessions
(delq control-buffer ediff-this-buffer-ediff-sessions))
(kill-local-variable 'mode-line-buffer-identification)
(kill-local-variable 'mode-line-format)
)
(error))
-
+
(condition-case nil
(ediff-with-current-buffer ediff-buffer-B
- (setq ediff-this-buffer-ediff-sessions
+ (setq ediff-this-buffer-ediff-sessions
(delq control-buffer ediff-this-buffer-ediff-sessions))
(kill-local-variable 'mode-line-buffer-identification)
(kill-local-variable 'mode-line-format)
)
(error))
-
+
(condition-case nil
(ediff-with-current-buffer ediff-buffer-C
- (setq ediff-this-buffer-ediff-sessions
+ (setq ediff-this-buffer-ediff-sessions
(delq control-buffer ediff-this-buffer-ediff-sessions))
(kill-local-variable 'mode-line-buffer-identification)
(kill-local-variable 'mode-line-format)
(condition-case nil
(ediff-with-current-buffer ediff-ancestor-buffer
- (setq ediff-this-buffer-ediff-sessions
+ (setq ediff-this-buffer-ediff-sessions
(delq control-buffer ediff-this-buffer-ediff-sessions))
(kill-local-variable 'mode-line-buffer-identification)
(kill-local-variable 'mode-line-format)
(run-hooks 'ediff-cleanup-hook)
- ;; now kill buffers A/B/C, if requested
- (let ((ediff-keep-variants ediff-keep-variants))
- (if reverse-default-keep-variants
- (setq ediff-keep-variants (not ediff-keep-variants)))
- (or ediff-keep-variants (ediff-janitor 'ask)))
+ (ediff-janitor
+ 'ask
+ ;; reverse-default-keep-variants is t if the user quits with a prefix arg
+ (if reverse-default-keep-variants
+ (not ediff-keep-variants)
+ ediff-keep-variants))
;; one hook here is ediff-cleanup-mess, which kills the control buffer and
;; other auxiliary buffers. we made it into a hook to let the users do their
(if (string-match "Minibuf" buf-name)
nil
frame)))
-
-
+
+
(defun ediff-delete-temp-files ()
(if (and (stringp ediff-temp-file-A) (file-exists-p ediff-temp-file-A))
(delete-file ediff-temp-file-A))
(delete-file ediff-temp-file-B))
(if (and (stringp ediff-temp-file-C) (file-exists-p ediff-temp-file-C))
(delete-file ediff-temp-file-C)))
-
+
;; Kill control buffer, other auxiliary Ediff buffers.
;; Leave one of the frames split between buffers A/B/C
(buff-B ediff-buffer-B)
(buff-C ediff-buffer-C)
(ctl-buf ediff-control-buffer)
+ (ctl-wind (ediff-get-visible-buffer-window ctl-buf))
(ctl-frame ediff-control-frame)
(three-way-job ediff-3way-job)
- (main-frame (cond ((window-live-p ediff-window-A)
+ (main-frame (cond ((window-live-p ediff-window-A)
(window-frame ediff-window-A))
- ((window-live-p ediff-window-B)
+ ((window-live-p ediff-window-B)
(window-frame ediff-window-B)))))
-
+
(ediff-kill-buffer-carefully ediff-diff-buffer)
(ediff-kill-buffer-carefully ediff-custom-diff-buffer)
(ediff-kill-buffer-carefully ediff-fine-diff-buffer)
(if (boundp 'ediff-patch-diagnostics)
(ediff-kill-buffer-carefully ediff-patch-diagnostics))
- (if (and (ediff-window-display-p) (frame-live-p ctl-frame))
- (delete-frame ctl-frame))
+ ;; delete control frame or window
+ (cond ((and (ediff-window-display-p) (frame-live-p ctl-frame))
+ (delete-frame ctl-frame))
+ ((window-live-p ctl-wind)
+ (delete-window ctl-wind)))
+
;; Hide bottom toolbar. --marcpa
(if (not (ediff-multiframe-setup-p))
(ediff-kill-bottom-toolbar))
(ediff-kill-buffer-carefully ctl-buf)
-
+
(if (frame-live-p main-frame)
- (progn
- (select-frame main-frame)
- (delete-other-windows)))
-
+ (select-frame main-frame))
+
;; display only if not visible
(condition-case nil
(or (ediff-get-visible-buffer-window buff-B)
(condition-case nil
(or (ediff-get-visible-buffer-window buff-A)
(progn
- (if (ediff-get-visible-buffer-window buff-B)
+ (if (and (ediff-get-visible-buffer-window buff-B)
+ (ediff-buffer-live-p buff-A))
(funcall ediff-split-window-function))
(switch-to-buffer buff-A)))
(error))
(condition-case nil
(or (ediff-get-visible-buffer-window buff-C)
(progn
- (if (or (ediff-get-visible-buffer-window buff-A)
- (ediff-get-visible-buffer-window buff-B))
+ (if (and (or (ediff-get-visible-buffer-window buff-A)
+ (ediff-get-visible-buffer-window buff-B))
+ (ediff-buffer-live-p buff-C))
(funcall ediff-split-window-function))
- (switch-to-buffer buff-C)
- (balance-windows)))
+ (switch-to-buffer buff-C)))
(error)))
+ (balance-windows)
(message "")
))
-(defun ediff-janitor (&optional ask)
+(defun ediff-janitor (ask keep-variants)
"Kill buffers A, B, and, possibly, C, if these buffers aren't modified.
-In merge jobs, buffer C is never deleted.
-However, the side effect of cleaning up may be that you cannot compare the same
-buffer in two separate Ediff sessions: quitting one of them will delete this
-buffer in another session as well."
- (or (not (ediff-buffer-live-p ediff-buffer-A))
- (buffer-modified-p ediff-buffer-A)
- (and ask
- (not (y-or-n-p (format "Kill buffer A [%s]? "
- (buffer-name ediff-buffer-A)))))
- (ediff-kill-buffer-carefully ediff-buffer-A))
- (or (not (ediff-buffer-live-p ediff-buffer-B))
- (buffer-modified-p ediff-buffer-B)
- (and ask
- (not (y-or-n-p (format "Kill buffer B [%s]? "
- (buffer-name ediff-buffer-B)))))
- (ediff-kill-buffer-carefully ediff-buffer-B))
+In merge jobs, buffer C is not deleted here, but rather according to
+ediff-quit-merge-hook.
+A side effect of cleaning up may be that you should be careful when comparing
+the same buffer in two separate Ediff sessions: quitting one of them might
+delete this buffer in another session as well."
+ (ediff-dispose-of-variant-according-to-user
+ ediff-buffer-A 'A ask keep-variants)
+ (ediff-dispose-of-variant-according-to-user
+ ediff-buffer-B 'B ask keep-variants)
(if ediff-merge-job ; don't del buf C if merging--del ancestor buf instead
- (or (not (ediff-buffer-live-p ediff-ancestor-buffer))
- (buffer-modified-p ediff-ancestor-buffer)
- (and ask
- (not (y-or-n-p (format "Kill the ancestor buffer [%s]? "
- (buffer-name ediff-ancestor-buffer)))))
- (ediff-kill-buffer-carefully ediff-ancestor-buffer))
- (or (not (ediff-buffer-live-p ediff-buffer-C))
- (buffer-modified-p ediff-buffer-C)
- (and ask (not (y-or-n-p (format "Kill buffer C [%s]? "
- (buffer-name ediff-buffer-C)))))
- (ediff-kill-buffer-carefully ediff-buffer-C))))
+ (ediff-dispose-of-variant-according-to-user
+ ediff-ancestor-buffer 'Ancestor ask keep-variants)
+ (ediff-dispose-of-variant-according-to-user
+ ediff-buffer-C 'C ask keep-variants)
+ ))
+
+;; Kill the variant buffer, according to user directives (ask, kill
+;; unconditionaly, keep)
+;; BUFF is the buffer, BUFF-TYPE is either 'A, or 'B, 'C, 'Ancestor
+(defun ediff-dispose-of-variant-according-to-user (buff bufftype ask keep-variants)
+ ;; if this is indirect buffer, kill it and substitute with direct buf
+ (if (and (ediff-buffer-live-p buff)
+ (ediff-with-current-buffer buff ediff-temp-indirect-buffer))
+ (let ((wind (ediff-get-visible-buffer-window buff))
+ (base (buffer-base-buffer buff))
+ (modified-p (buffer-modified-p buff)))
+ (if (and (window-live-p wind) (ediff-buffer-live-p base))
+ (set-window-buffer wind base))
+ ;; Kill indirect buffer even if it is modified, because the base buffer
+ ;; is still there. Note that if the base buffer is dead then so will be
+ ;; the indirect buffer
+ (ediff-with-current-buffer buff
+ (set-buffer-modified-p nil))
+ (ediff-kill-buffer-carefully buff)
+ (ediff-with-current-buffer base
+ (set-buffer-modified-p modified-p)))
+ ;; otherwise, ask or use the value of keep-variants
+ (or (not (ediff-buffer-live-p buff))
+ keep-variants
+ (buffer-modified-p buff)
+ (and ask
+ (not (y-or-n-p (format "Kill buffer %S [%s]? "
+ bufftype (buffer-name buff)))))
+ (ediff-kill-buffer-carefully buff))
+ ))
(defun ediff-maybe-save-and-delete-merge (&optional save-and-continue)
"Default hook to run on quitting a merge job.
(ediff-autostore-merges ; fake ediff-autostore-merges, if necessary
(if save-and-continue t ediff-autostore-merges)))
(if ediff-autostore-merges
- (cond ((stringp ediff-merge-store-file)
+ (cond ((stringp merge-store-file)
;; store, ask to delete
(ediff-write-merge-buffer-and-maybe-kill
ediff-buffer-C merge-store-file 'show-file save-and-continue))
((eq ediff-autostore-merges t)
;; ask for file name
(setq merge-store-file
- (read-file-name "Save the merge buffer in file: "))
+ (read-file-name "Save the result of the merge in file: "))
(ediff-write-merge-buffer-and-maybe-kill
ediff-buffer-C merge-store-file nil save-and-continue))
((and (ediff-buffer-live-p ediff-meta-buffer)
(defun ediff-write-merge-buffer-and-maybe-kill (buf file
&optional
show-file save-and-continue)
- (ediff-with-current-buffer buf
- (if (or (not (file-exists-p file))
- (y-or-n-p (format "File %s exists, overwrite? " file)))
- (progn
- (write-region (point-min) (point-max) file)
- (if show-file
- (progn
- (message "Merge buffer saved in: %s" file)
- (set-buffer-modified-p nil)
- (sit-for 3)))
- (if (and
- (not save-and-continue)
- (y-or-n-p "Merge buffer saved. Now kill the buffer? "))
- (ediff-kill-buffer-carefully buf))))))
+ (if (not (eq (find-buffer-visiting file) buf))
+ (let ((warn-message
+ (format "Another buffer is visiting file %s. Too dangerous to save the merge buffer"
+ file)))
+ (beep)
+ (message warn-message)
+ (with-output-to-temp-buffer ediff-msg-buffer
+ (princ "\n\n")
+ (princ warn-message)
+ (princ "\n\n")
+ )
+ (sit-for 2))
+ (ediff-with-current-buffer buf
+ (if (or (not (file-exists-p file))
+ (y-or-n-p (format "File %s exists, overwrite? " file)))
+ (progn
+ ;;(write-region (point-min) (point-max) file)
+ (ediff-with-current-buffer buf
+ (set-visited-file-name file)
+ (save-buffer))
+ (if show-file
+ (progn
+ (message "Merge buffer saved in: %s" file)
+ (set-buffer-modified-p nil)
+ (sit-for 3)))
+ (if (and
+ (not save-and-continue)
+ (y-or-n-p "Merge buffer saved. Now kill the buffer? "))
+ (ediff-kill-buffer-carefully buf)))))
+ ))
;; The default way of suspending Ediff.
;; Buries Ediff buffers, kills all windows.
(buf-diff ediff-diff-buffer)
(buf-custom-diff ediff-custom-diff-buffer)
(buf-fine-diff ediff-fine-diff-buffer))
-
+
;; hide the control panel
(if (and (ediff-window-display-p) (frame-live-p ediff-control-frame))
(iconify-frame ediff-control-frame)
- (bury-buffer))
+ (bury-buffer))
(if buf-err (bury-buffer buf-err))
(if buf-diff (bury-buffer buf-diff))
(if buf-custom-diff (bury-buffer buf-custom-diff))
(bury-buffer))))
))
-
+
(defun ediff-suspend ()
"Suspend Ediff.
To resume, switch to the appropriate `Ediff Control Panel'
(if buffer-file-name
(princ
(format "File A = %S\n" buffer-file-name))
- (princ
+ (princ
(format "Buffer A = %S\n" (buffer-name)))))
(ediff-with-current-buffer ediff-buffer-B
(if buffer-file-name
(princ
(format "File B = %S\n" buffer-file-name))
- (princ
+ (princ
(format "Buffer B = %S\n" (buffer-name)))))
(if ediff-3way-job
(ediff-with-current-buffer ediff-buffer-C
(if buffer-file-name
(princ
(format "File C = %S\n" buffer-file-name))
- (princ
+ (princ
(format "Buffer C = %S\n" (buffer-name))))))
(princ (format "Customized diff output %s\n"
(if (ediff-buffer-live-p ediff-custom-diff-buffer)
(concat "\tin buffer "
(buffer-name ediff-diff-buffer))
" is not available")))
-
+
(let* ((A-line (ediff-with-current-buffer ediff-buffer-A
(1+ (count-lines (point-min) (point)))))
(B-line (ediff-with-current-buffer ediff-buffer-B
(setq C-line (ediff-with-current-buffer ediff-buffer-C
(1+ (count-lines (point-min) (point)))))
(princ (format "Buffer C's point is on line %d\n" C-line)))))
-
+
(princ (format "\nCurrent difference number = %S\n"
(cond ((< ediff-current-difference 0) 'start)
((>= ediff-current-difference
(if (and ediff-skip-merge-regions-that-differ-from-default ediff-merge-job)
(princ
"\nSkipping merge regions that differ from default setting"))
-
+
(cond ((eq ediff-skip-diff-region-function 'ediff-show-all-diffs)
(princ "\nSelective browsing by regexp is off\n"))
((eq ediff-skip-diff-region-function
(princ
"\nIgnoring regions that match")
(princ
- (format
+ (format
"\n\t regexp `%s' in buffer A %S\n\t regexp `%s' in buffer B\n"
ediff-regexp-hide-A ediff-hide-regexp-connective
ediff-regexp-hide-B)))
ediff-regexp-focus-A ediff-focus-regexp-connective
ediff-regexp-focus-B)))
(t (princ "\nSelective browsing via a user-defined method.\n")))
-
+
(princ
(format "\nBugs/suggestions: type `%s' while in Ediff Control Panel."
(substitute-command-keys "\\[ediff-submit-report]")))
(ediff-reset-mouse ediff-control-frame))
(if (window-live-p ediff-control-window)
(select-window ediff-control-window)))
-
+
\f
(ediff-buffer-live-p ediff-buffer-B)
(ediff-valid-difference-p n))
(progn
- (if (and (ediff-has-face-support-p) ediff-use-faces)
- (progn
- (ediff-highlight-diff n)
- (setq ediff-highlighting-style 'face))
- (setq ediff-highlighting-style 'ascii)
- (ediff-place-flags-in-buffer
- 'A ediff-buffer-A ediff-control-buffer n)
- (ediff-place-flags-in-buffer
- 'B ediff-buffer-B ediff-control-buffer n)
- (if ediff-3way-job
- (ediff-place-flags-in-buffer
- 'C ediff-buffer-C ediff-control-buffer n))
- (if (ediff-buffer-live-p ediff-ancestor-buffer)
- (ediff-place-flags-in-buffer
- 'Ancestor ediff-ancestor-buffer
- ediff-control-buffer n))
- )
-
+ (cond
+ ((and (ediff-has-face-support-p) ediff-use-faces)
+ (ediff-highlight-diff n))
+ ((eq ediff-highlighting-style 'ascii)
+ (ediff-place-flags-in-buffer
+ 'A ediff-buffer-A ediff-control-buffer n)
+ (ediff-place-flags-in-buffer
+ 'B ediff-buffer-B ediff-control-buffer n)
+ (if ediff-3way-job
+ (ediff-place-flags-in-buffer
+ 'C ediff-buffer-C ediff-control-buffer n))
+ (if (ediff-buffer-live-p ediff-ancestor-buffer)
+ (ediff-place-flags-in-buffer
+ 'Ancestor ediff-ancestor-buffer
+ ediff-control-buffer n))
+ ))
+
(ediff-install-fine-diff-if-necessary n)
+ ;; set current difference here so the hook will be able to refer to it
+ (setq ediff-current-difference n)
(run-hooks 'ediff-select-hook))))
-
+
;; Unselect a difference by removing the ASCII flags in the buffers.
;; This may have to be modified for buffer C, when it will be supported.
(defun ediff-unselect-difference (n)
(if (ediff-valid-difference-p n)
- (progn
+ (progn
(cond ((and (ediff-has-face-support-p) ediff-use-faces)
(ediff-unhighlight-diff))
((eq ediff-highlighting-style 'ascii)
ediff-ancestor-buffer
(ediff-get-diff-overlay n 'Ancestor)))
))
- (setq ediff-highlighting-style nil)
-
+
;; unhighlight fine diffs
(ediff-set-fine-diff-properties ediff-current-difference 'default)
(run-hooks 'ediff-unselect-hook))))
-
+
;; Unselects prev diff and selects a new one, if FLAG has value other than
;; 'select-only or 'unselect-only. If FLAG is 'select-only, the
(let ((ediff-current-difference n))
(or no-recenter
(ediff-recenter 'no-rehighlight)))
-
+
(let ((control-buf ediff-control-buffer))
- (unwind-protect
+ (unwind-protect
(progn
(or (eq flag 'select-only)
(ediff-unselect-difference ediff-current-difference))
-
+
(or (eq flag 'unselect-only)
(ediff-select-difference n))
+ ;; need to set current diff here even though it is also set in
+ ;; ediff-select-difference because ediff-select-difference might not
+ ;; be called if unselect-only is specified
(setq ediff-current-difference n)
) ; end protected section
-
- (ediff-with-current-buffer control-buf (ediff-refresh-mode-lines))
- )))
+
+ (ediff-with-current-buffer control-buf (ediff-refresh-mode-lines)))
+ ))
+
+
+
+(defun ediff-highlight-diff-in-one-buffer (n buf-type)
+ (if (ediff-buffer-live-p (ediff-get-buffer buf-type))
+ (let* ((buff (ediff-get-buffer buf-type))
+ (last (ediff-with-current-buffer buff (point-max)))
+ (begin (ediff-get-diff-posn buf-type 'beg n))
+ (end (ediff-get-diff-posn buf-type 'end n))
+ (xtra (if (equal begin end) 1 0))
+ (end-hilit (min last (+ end xtra)))
+ (current-diff-overlay
+ (symbol-value
+ (ediff-get-symbol-from-alist
+ buf-type ediff-current-diff-overlay-alist))))
+
+ (if ediff-xemacs-p
+ (ediff-move-overlay current-diff-overlay begin end-hilit)
+ (ediff-move-overlay current-diff-overlay begin end-hilit buff))
+ (ediff-overlay-put current-diff-overlay 'priority
+ (ediff-highest-priority begin end-hilit buff))
+ (ediff-overlay-put current-diff-overlay 'ediff-diff-num n)
+
+ ;; unhighlight the background overlay for diff n so it won't
+ ;; interfere with the current diff overlay
+ (ediff-set-overlay-face (ediff-get-diff-overlay n buf-type) nil)
+ )))
+
+
+(defun ediff-unhighlight-diff-in-one-buffer (buf-type)
+ (if (ediff-buffer-live-p (ediff-get-buffer buf-type))
+ (let ((current-diff-overlay
+ (symbol-value
+ (ediff-get-symbol-from-alist
+ buf-type ediff-current-diff-overlay-alist)))
+ (overlay
+ (ediff-get-diff-overlay ediff-current-difference buf-type))
+ )
+
+ (ediff-move-overlay current-diff-overlay 1 1)
+
+ ;; rehighlight the overlay in the background of the
+ ;; current difference region
+ (ediff-set-overlay-face
+ overlay
+ (if (and (ediff-has-face-support-p)
+ ediff-use-faces ediff-highlight-all-diffs)
+ (ediff-background-face buf-type ediff-current-difference)))
+ )))
+
+(defun ediff-unhighlight-diffs-totally-in-one-buffer (buf-type)
+ (ediff-unselect-and-select-difference -1)
+ (if (and (ediff-has-face-support-p) ediff-use-faces)
+ (let* ((inhibit-quit t)
+ (current-diff-overlay-var
+ (ediff-get-symbol-from-alist
+ buf-type ediff-current-diff-overlay-alist))
+ (current-diff-overlay (symbol-value current-diff-overlay-var)))
+ (ediff-paint-background-regions 'unhighlight)
+ (if (ediff-overlayp current-diff-overlay)
+ (ediff-delete-overlay current-diff-overlay))
+ (set current-diff-overlay-var nil)
+ )))
+
+
+(defsubst ediff-highlight-diff (n)
+ "Put face on diff N. Invoked for X displays only."
+ (ediff-highlight-diff-in-one-buffer n 'A)
+ (ediff-highlight-diff-in-one-buffer n 'B)
+ (ediff-highlight-diff-in-one-buffer n 'C)
+ (ediff-highlight-diff-in-one-buffer n 'Ancestor)
+ )
+
+
+(defsubst ediff-unhighlight-diff ()
+ "Remove overlays from buffers A, B, and C."
+ (ediff-unhighlight-diff-in-one-buffer 'A)
+ (ediff-unhighlight-diff-in-one-buffer 'B)
+ (ediff-unhighlight-diff-in-one-buffer 'C)
+ (ediff-unhighlight-diff-in-one-buffer 'Ancestor)
+ )
+
+;; delete highlighting overlays, restore faces to their original form
+(defsubst ediff-unhighlight-diffs-totally ()
+ (ediff-unhighlight-diffs-totally-in-one-buffer 'A)
+ (ediff-unhighlight-diffs-totally-in-one-buffer 'B)
+ (ediff-unhighlight-diffs-totally-in-one-buffer 'C)
+ (ediff-unhighlight-diffs-totally-in-one-buffer 'Ancestor)
+ )
;; This is adapted from a similar function in `emerge.el'.
;; If DEFAULT-FILE is set, it should be used as the default value.
;; If DEFAULT-DIR is non-nil, use it as the default directory.
;; Otherwise, use the value of Emacs' variable `default-directory.'
-(defun ediff-read-file-name (prompt default-dir default-file)
+(defun ediff-read-file-name (prompt default-dir default-file &optional no-dirs)
;; hack default-dir if it is not set
(setq default-dir
(file-name-as-directory
)
default-dir
))
- ;; If user enters a directory name, expand the default file in that
+ ;; If user entered a directory name, expand the default file in that
;; directory. This allows the user to enter a directory name for the
;; B-file and diff against the default-file in that directory instead
;; of a DIRED listing!
(if (and (file-directory-p f) default-file)
(setq f (expand-file-name
(file-name-nondirectory default-file) f)))
- f))
-
+ (if (and no-dirs (file-directory-p f))
+ (error "File %s is a directory" f))
+ f))
+
;; If PREFIX is given, then it is used as a prefix for the temp file
;; name. Otherwise, `ediff' is used. If FILE is given, use this
;; file and don't create a new one.
(not (msdos-long-file-names))
(> (length p) 2))
(setq short-p (substring p 0 2)))
-
+
(setq f (concat ediff-temp-file-prefix p)
short-f (concat ediff-temp-file-prefix short-p)
f (cond (given-file)
;; This is needed so that patches produced by ediff will
;; have more meaningful names
(ediff-make-empty-tmp-file short-f))
- (prefix
+ (prefix
;; Prefix is most often the same as the file name for the
;; variant. Here we are trying to use the original file
;; name but in the temp directory.
;; If don't care about name, add some random stuff
;; to proposed file name.
(ediff-make-empty-tmp-file short-f))))
-
+
;; create the file
(ediff-with-current-buffer buff
(write-region (if start start (point-min))
(if end end (point-max))
f
nil ; don't append---erase
- 'no-message)
+ 'no-message)
(set-file-modes f ediff-temp-file-mode)
(expand-file-name f))))
(progn
(if (or (file-exists-p file) (not keep-proposed-name))
(setq file (make-temp-name proposed-name)))
- (write-region "" nil file nil 'silent nil 'excl)
+ ;; the with-temp-buffer thing is a workaround for an XEmacs
+ ;; bug: write-region complains that we are trying to visit a
+ ;; file in an indirect buffer, failing to notice that the
+ ;; VISIT flag is unset and that we are actually writing from a
+ ;; string and not from any buffer.
+ (with-temp-buffer
+ (write-region "" nil file nil 'silent nil 'excl))
nil)
(file-already-exists t))
;; the file was somehow created by someone else between
(if (verify-visited-file-modtime (current-buffer))
(if (buffer-modified-p)
;; If buffer is not obsolete and is modified, offer to save
- (if (yes-or-no-p
- (format "Buffer out of sync with visited file. Save file %s? "
+ (if (yes-or-no-p
+ (format "Buffer %s has been modified. Save it in file %s? "
+ (buffer-name)
buffer-file-name))
(condition-case nil
(save-buffer)
nil)
;; If buffer is obsolete, offer to revert
(if (yes-or-no-p
- (format "Buffer is out of sync with visited file. REVERT file %s? "
+ (format "File %s was modified since visited by buffer %s. REVERT file %s? "
+ buffer-file-name
+ (buffer-name)
buffer-file-name))
(progn
(if file-magic
(revert-buffer t t))
(error "Buffer out of sync for file %s" buffer-file-name))))
+;; if there is another buffer visiting the file of the merge buffer, offer to
+;; save and delete the buffer; else bark
+(defun ediff-verify-file-merge-buffer (file)
+ (let ((buff (if (stringp file) (find-buffer-visiting file)))
+ warn-message)
+ (or (null buff)
+ (progn
+ (setq warn-message
+ (format "Buffer %s is visiting %s. Save and kill the buffer? "
+ (buffer-name buff) file))
+ (with-output-to-temp-buffer ediff-msg-buffer
+ (princ "\n\n")
+ (princ warn-message)
+ (princ "\n\n"))
+ (if (y-or-n-p
+ (message warn-message))
+ (with-current-buffer buff
+ (save-buffer)
+ (kill-buffer (current-buffer)))
+ (error "Too dangerous to merge versions of a file visited by another buffer"))))
+ ))
+
+
(defun ediff-filename-magic-p (file)
(or (ediff-file-compressed-p file)
)
(save-buffer)))
+
+;; idea suggested by Hannu Koivisto <azure@iki.fi>
+(defun ediff-clone-buffer-for-region-comparison (buff region-name)
+ (let ((cloned-buff (ediff-make-cloned-buffer buff region-name))
+ (pop-up-windows t)
+ wind
+ other-wind
+ msg-buf)
+ (ediff-with-current-buffer cloned-buff
+ (setq ediff-temp-indirect-buffer t))
+ (pop-to-buffer cloned-buff)
+ (setq wind (ediff-get-visible-buffer-window cloned-buff))
+ (select-window wind)
+ (delete-other-windows)
+ (split-window-vertically)
+ (ediff-select-lowest-window)
+ (setq other-wind (selected-window))
+ (with-temp-buffer
+ (erase-buffer)
+ (insert
+ (format "\n ******* Mark a region in buffer %s *******\n"
+ (buffer-name cloned-buff)))
+ (insert
+ (ediff-with-current-buffer buff
+ (format "\n\t When done, type %s Use %s to abort\n "
+ (ediff-format-bindings-of 'exit-recursive-edit)
+ (ediff-format-bindings-of 'abort-recursive-edit))))
+ (goto-char (point-min))
+ (setq msg-buf (current-buffer))
+ (set-window-buffer other-wind msg-buf)
+ (shrink-window-if-larger-than-buffer)
+ (if (window-live-p wind)
+ (select-window wind))
+ (condition-case nil
+ (recursive-edit)
+ (quit
+ (ediff-kill-buffer-carefully cloned-buff)))
+ )
+ cloned-buff))
+
+
+(defun ediff-clone-buffer-for-window-comparison (buff wind region-name)
+ (let ((cloned-buff (ediff-make-cloned-buffer buff region-name)))
+ (ediff-with-current-buffer cloned-buff
+ (setq ediff-temp-indirect-buffer t))
+ (set-window-buffer wind cloned-buff)
+ cloned-buff))
+
+(defun ediff-clone-buffer-for-current-diff-comparison (buff buf-type reg-name)
+ (let ((cloned-buff (ediff-make-cloned-buffer buff reg-name))
+ (reg-start (ediff-get-diff-posn buf-type 'beg))
+ (reg-end (ediff-get-diff-posn buf-type 'end)))
+ (ediff-with-current-buffer cloned-buff
+ ;; set region to be the current diff region
+ (goto-char reg-start)
+ (set-mark reg-end)
+ (setq ediff-temp-indirect-buffer t))
+ cloned-buff))
+
+
+
+(defun ediff-make-cloned-buffer (buff region-name)
+ (ediff-make-indirect-buffer
+ buff (generate-new-buffer-name
+ (concat (if (stringp buff) buff (buffer-name buff)) region-name))
+ ))
+
+
+(defun ediff-make-indirect-buffer (base-buf indirect-buf-name)
+ (ediff-cond-compile-for-xemacs-or-emacs
+ (make-indirect-buffer base-buf indirect-buf-name) ; xemacs
+ (make-indirect-buffer base-buf indirect-buf-name 'clone) ; emacs
+ ))
+
+
+;; This function operates only from an ediff control buffer
(defun ediff-compute-custom-diffs-maybe ()
(let ((buf-A-file-name (buffer-file-name ediff-buffer-A))
(buf-B-file-name (buffer-file-name ediff-buffer-B))
file-A file-B)
- (if (stringp buf-A-file-name)
- (setq buf-A-file-name (file-name-nondirectory buf-A-file-name)))
- (if (stringp buf-B-file-name)
- (setq buf-B-file-name (file-name-nondirectory buf-B-file-name)))
- (setq file-A (ediff-make-temp-file ediff-buffer-A buf-A-file-name)
- file-B (ediff-make-temp-file ediff-buffer-B buf-B-file-name))
-
+ (unless (and buf-A-file-name (file-exists-p buf-A-file-name))
+ (setq file-A
+ (ediff-make-temp-file ediff-buffer-A)))
+ (unless (and buf-B-file-name (file-exists-p buf-B-file-name))
+ (setq file-B
+ (ediff-make-temp-file ediff-buffer-B)))
(or (ediff-buffer-live-p ediff-custom-diff-buffer)
(setq ediff-custom-diff-buffer
(get-buffer-create
(ediff-unique-buffer-name "*ediff-custom-diff" "*"))))
+ (ediff-with-current-buffer ediff-custom-diff-buffer
+ (setq buffer-read-only nil)
+ (erase-buffer))
(ediff-exec-process
ediff-custom-diff-program ediff-custom-diff-buffer 'synchronize
- ediff-custom-diff-options file-A file-B)
+ ediff-custom-diff-options
+ ;; repetition of buf-A-file-name is needed so it'll return a file
+ (or (and buf-A-file-name (file-exists-p buf-A-file-name) buf-A-file-name)
+ file-A)
+ (or (and buf-B-file-name (file-exists-p buf-B-file-name) buf-B-file-name)
+ file-B))
;; put the diff file in diff-mode, if it is available
(if (fboundp 'diff-mode)
(with-current-buffer ediff-custom-diff-buffer
(diff-mode)))
- (delete-file file-A)
- (delete-file file-B)
+ (and file-A (file-exists-p file-A) (delete-file file-A))
+ (and file-B (file-exists-p file-B) (delete-file file-B))
))
(defun ediff-show-diff-output (arg)
(let ((answer "")
(possibilities (list ?A ?B ?C))
(zmacs-regions t)
- (ctl-buf (current-buffer))
- quit-now
+ use-current-diff-p
begA begB endA endB bufA bufB)
+ (if (ediff-valid-difference-p ediff-current-difference)
+ (progn
+ (ediff-set-fine-diff-properties ediff-current-difference 'default)
+ (ediff-unhighlight-diff)))
+ (ediff-paint-background-regions 'unhighlight)
+
(cond ((ediff-merge-job)
(setq bufB ediff-buffer-C)
+ ;; ask which buffer to compare to the merge buffer
(while (cond ((eq answer ?A)
(setq bufA ediff-buffer-A
possibilities '(?B))
(sit-for 2)
t))
(let ((cursor-in-echo-area t))
- (message "Which buffer to compare to the merge buffer (A/B)? ")
+ (message
+ "Which buffer to compare to the merge buffer (A or B)? ")
(setq answer (capitalize (read-char-exclusive))))))
((ediff-3way-comparison-job)
+ ;; ask which two buffers to compare
(while (cond ((memq answer possibilities)
(setq possibilities (delq answer possibilities))
(setq bufA
nil)
((equal answer ""))
(t (beep 1)
- (message
+ (message
"Valid values are %s"
(mapconcat 'char-to-string possibilities " or "))
(sit-for 2)
t))
(let ((cursor-in-echo-area t))
(message "Enter the 1st buffer you want to compare (%s): "
- (mapconcat 'char-to-string possibilities "/"))
+ (mapconcat 'char-to-string possibilities " or "))
(setq answer (capitalize (read-char-exclusive)))))
(setq answer "") ; silence error msg
(while (cond ((memq answer possibilities)
nil)
((equal answer ""))
(t (beep 1)
- (message
+ (message
"Valid values are %s"
(mapconcat 'char-to-string possibilities " or "))
(sit-for 2)
bufB ediff-buffer-B
possibilities nil)))
+ (if (and (ediff-valid-difference-p ediff-current-difference)
+ (y-or-n-p "Compare currently highlighted difference regions? "))
+ (setq use-current-diff-p t))
+
+ (setq bufA (if use-current-diff-p
+ (ediff-clone-buffer-for-current-diff-comparison
+ bufA 'A "-Region.A-")
+ (ediff-clone-buffer-for-region-comparison bufA "-Region.A-")))
(ediff-with-current-buffer bufA
- (or (mark t)
- (error "You forgot to specify a region in buffer %s" (buffer-name)))
(setq begA (region-beginning)
endA (region-end))
(goto-char begA)
(end-of-line)
(or (eobp) (forward-char)) ; include the newline char
(setq endA (point)))
+
+ (setq bufB (if use-current-diff-p
+ (ediff-clone-buffer-for-current-diff-comparison
+ bufB 'B "-Region.B-")
+ (ediff-clone-buffer-for-region-comparison bufB "-Region.B-")))
(ediff-with-current-buffer bufB
- (or (mark t)
- (error "You forgot to specify a region in buffer %s" (buffer-name)))
(setq begB (region-beginning)
endB (region-end))
(goto-char begB)
(or (eobp) (forward-char)) ; include the newline char
(setq endB (point)))
- (ediff-unselect-and-select-difference
- ediff-current-difference 'unselect-only)
- (ediff-paint-background-regions 'unhighlight)
-
- (ediff-with-current-buffer bufA
- (goto-char begA)
- (set-mark endA)
- (narrow-to-region begA endA)
- ;; (ediff-activate-mark)
- )
- ;; (sit-for 0)
- (ediff-with-current-buffer bufB
- (goto-char begB)
- (set-mark endB)
- (narrow-to-region begB endB)
- ;; (ediff-activate-mark)
- )
- ;; (sit-for 0)
-
- ;; At this point, possibilities contains either the window char A/B/C
- ;; that was not selected, or it is nil. We delete the window that is not
- ;; selected.
- (if possibilities
- (ediff-with-current-buffer ctl-buf
- (let* ((wind-to-delete (eval
- (ediff-get-symbol-from-alist
- (car possibilities)
- ediff-window-alist)))
- (frame (window-frame wind-to-delete)))
- (delete-window wind-to-delete)
- (select-frame frame)
- (balance-windows))))
- (or (y-or-n-p
- "Please check regions selected for comparison. Continue? ")
- (setq quit-now t))
-
- (ediff-with-current-buffer bufA
- (widen))
- (ediff-with-current-buffer bufB
- (widen))
- (if quit-now
- (ediff-with-current-buffer ctl-buf
- (ediff-recenter)
- (sit-for 0)
- (error "All right. Make up your mind and come back...")))
(ediff-regions-internal
bufA begA endA bufB begB endB
- nil ; setup-hook
- 'ediff-regions-linewise ; job name
- nil ; no word mode
+ nil ; setup-hook
+ (if use-current-diff-p ; job name
+ 'ediff-regions-wordwise
+ 'ediff-regions-linewise)
+ (if use-current-diff-p ; word mode, if diffing current diff
+ t nil)
;; setup param to pass to ediff-setup
(list (cons 'ediff-split-window-function ediff-split-window-function)))
))
-
-
+
+
(defun ediff-remove-flags-from-buffer (buffer overlay)
(ediff-with-current-buffer buffer
(if ediff-xemacs-p
(ediff-overlay-put overlay 'begin-glyph nil)
(ediff-overlay-put overlay 'before-string nil))
-
+
(if ediff-xemacs-p
(ediff-overlay-put overlay 'end-glyph nil)
(ediff-overlay-put overlay 'after-string nil))
(ediff-get-diff-overlay diff-no buf-type)))
(before (ediff-get-diff-posn buf-type 'beg diff-no ctl-buffer))
after beg-of-line flag)
-
+
;; insert flag before the difference
(goto-char before)
(setq beg-of-line (bolp))
-
+
(setq flag (ediff-with-current-buffer ctl-buffer
(if (eq ediff-highlighting-style 'ascii)
(if beg-of-line
ediff-before-flag-bol ediff-before-flag-mol))))
-
+
;; insert the flag itself
(if ediff-xemacs-p
(ediff-overlay-put curr-overl 'begin-glyph flag)
(ediff-overlay-put curr-overl 'before-string flag))
-
+
;; insert the flag after the difference
;; `after' must be set here, after the before-flag was inserted
(setq after (ediff-get-diff-posn buf-type 'end diff-no ctl-buffer))
(goto-char after)
(setq beg-of-line (bolp))
-
+
(setq flag (ediff-with-current-buffer ctl-buffer
(if (eq ediff-highlighting-style 'ascii)
(if beg-of-line
ediff-after-flag-eol ediff-after-flag-mol))))
-
+
;; insert the flag itself
(if ediff-xemacs-p
(ediff-overlay-put curr-overl 'end-glyph flag)
(ediff-overlay-put curr-overl 'after-string flag))
))
-
+
+;;; Some diff region tests
+
+;; t if diff region is empty.
+;; In case of buffer C, t also if it is not a 3way
+;; comparison job (merging jobs return t as well).
+(defun ediff-empty-diff-region-p (n buf-type)
+ (if (eq buf-type 'C)
+ (or (not ediff-3way-comparison-job)
+ (= (ediff-get-diff-posn 'C 'beg n)
+ (ediff-get-diff-posn 'C 'end n)))
+ (= (ediff-get-diff-posn buf-type 'beg n)
+ (ediff-get-diff-posn buf-type 'end n))))
+
+;; Test if diff region is white space only.
+;; If 2-way job and buf-type = C, then returns t.
+(defun ediff-whitespace-diff-region-p (n buf-type)
+ (or (and (eq buf-type 'C) (not ediff-3way-job))
+ (ediff-empty-diff-region-p n buf-type)
+ (let ((beg (ediff-get-diff-posn buf-type 'beg n))
+ (end (ediff-get-diff-posn buf-type 'end n)))
+ (ediff-with-current-buffer (ediff-get-buffer buf-type)
+ (save-excursion
+ (goto-char beg)
+ (skip-chars-forward ediff-whitespace)
+ (>= (point) end))))))
+
+
+(defsubst ediff-get-region-contents (n buf-type ctrl-buf &optional start end)
+ (ediff-with-current-buffer
+ (ediff-with-current-buffer ctrl-buf (ediff-get-buffer buf-type))
+ (buffer-substring
+ (or start (ediff-get-diff-posn buf-type 'beg n ctrl-buf))
+ (or end (ediff-get-diff-posn buf-type 'end n ctrl-buf)))))
+
;; Returns positions of difference sectors in the BUF-TYPE buffer.
-;; BUF-TYPE should be a symbol -- `A', `B', or `C'.
+;; BUF-TYPE should be a symbol -- `A', `B', or `C'.
;; POS is either `beg' or `end'--it specifies whether you want the position at
;; the beginning of a difference or at the end.
-;;
+;;
;; The optional argument N says which difference (default:
;; `ediff-current-difference'). N is the internal difference number (1- what
;; the user sees). The optional argument CONTROL-BUF says
;; ediff-highlighting-style, and ediff-highlight-all-diffs variables.
(defun ediff-restore-highlighting (&optional ctl-buf)
(ediff-with-current-buffer (or ctl-buf (current-buffer))
- (if (and (ediff-has-face-support-p)
+ (if (and (ediff-has-face-support-p)
ediff-use-faces
ediff-highlight-all-diffs)
(ediff-paint-background-regions))
(ediff-select-difference ediff-current-difference)))
-
+
;; null out difference overlays so they won't slow down future
;; editing operations
;; VEC is either a difference vector or a fine-diff vector
(defun ediff-clear-diff-vector (vec-var &optional fine-diffs-also)
(if (vectorp (symbol-value vec-var))
(mapcar (lambda (elt)
- (ediff-delete-overlay
+ (ediff-delete-overlay
(ediff-get-diff-overlay-from-diff-record elt))
(if fine-diffs-also
(ediff-clear-fine-diff-vector elt))
;; allow them to be garbage collected
(set vec-var nil))
-
+
\f
;;; Misc
(setq beg (eval beg)))
(or (number-or-marker-p end)
(setq end (eval end)))
- (setq overl
- (if ediff-xemacs-p
- (make-extent beg end buff)
- ;; advance front and rear of the overlay
- (make-overlay beg end buff nil 'rear-advance)))
-
+ (setq overl
+ (ediff-cond-compile-for-xemacs-or-emacs
+ (make-extent beg end buff) ; xemacs
+ ;; advance front and rear of the overlay
+ (make-overlay beg end buff nil 'rear-advance) ; emacs
+ ))
+
;; never detach
(ediff-overlay-put
overl (if ediff-emacs-p 'evaporate 'detachable) nil)
;; In emacs, it is made open ended at creation time
(if ediff-xemacs-p
(progn
- (ediff-overlay-put overl 'start-open nil)
+ (ediff-overlay-put overl 'start-open nil)
(ediff-overlay-put overl 'end-open nil)))
(ediff-overlay-put overl 'ediff-diff-num 0)
overl))))
-
-
+
+
+(defun ediff-make-current-diff-overlay (type)
+ (if (ediff-has-face-support-p)
+ (let ((overlay (ediff-get-symbol-from-alist
+ type ediff-current-diff-overlay-alist))
+ (buffer (ediff-get-buffer type))
+ (face (face-name
+ (symbol-value
+ (ediff-get-symbol-from-alist
+ type ediff-current-diff-face-alist)))))
+ (set overlay
+ (ediff-make-bullet-proof-overlay (point-max) (point-max) buffer))
+ (ediff-set-overlay-face (symbol-value overlay) face)
+ (ediff-overlay-put (symbol-value overlay) 'ediff ediff-control-buffer))
+ ))
+
+
;; Like other-buffer, but prefers visible buffers and ignores temporary or
;; other insignificant buffers (those beginning with "^[ *]").
;; Gets one arg--buffer name or a list of buffer names (it won't return
;; these buffers).
-;; EXCL-BUFF-LIST is an exclusion list.
+;; EXCL-BUFF-LIST is an exclusion list.
(defun ediff-other-buffer (excl-buff-lst)
(or (listp excl-buff-lst) (setq excl-buff-lst (list excl-buff-lst)))
(let* ((all-buffers (nconc (ediff-get-selected-buffers) (buffer-list)))
(selected-buffers (ediff-get-selected-buffers))
(prefered-buffer (car all-buffers))
visible-dired-buffers
- (excl-buff-name-list
- (mapcar
+ (excl-buff-name-list
+ (mapcar
(lambda (b) (cond ((stringp b) b)
((bufferp b) (buffer-name b))))
excl-buff-lst))
(clean-significant-buffers (delq nil significant-buffers))
less-significant-buffers)
- (if (and (null clean-significant-buffers)
+ (if (and (null clean-significant-buffers)
(> (length visible-dired-buffers) 0))
(setq clean-significant-buffers visible-dired-buffers))
-
+
(cond (clean-significant-buffers (car clean-significant-buffers))
;; try also buffers that are not displayed in windows
((setq less-significant-buffers
(car less-significant-buffers))
(t "*scratch*"))
))
-
+
;; If current buffer is a Buffer-menu buffer, then take the selected buffers
;; and append the buffer at the cursor to the end.
(setq lis (cons (Buffer-menu-buffer t) lis)))
lis))
))
-
+
;; Construct a unique buffer name.
-;; The first one tried is prefixsuffix, then prefix<2>suffix,
+;; The first one tried is prefixsuffix, then prefix<2>suffix,
;; prefix<3>suffix, etc.
(defun ediff-unique-buffer-name (prefix suffix)
(if (null (get-buffer (concat prefix suffix)))
(while (get-buffer (format "%s<%d>%s" prefix n suffix))
(setq n (1+ n)))
(format "%s<%d>%s" prefix n suffix))))
-
+
(defun ediff-submit-report ()
"Submit bug report on Ediff."
(setq varlist '(ediff-diff-program ediff-diff-options
ediff-patch-program ediff-patch-options
ediff-shell
- ediff-use-faces
+ ediff-use-faces
ediff-auto-refine ediff-highlighting-style
ediff-buffer-A ediff-buffer-B ediff-control-buffer
ediff-forward-word-function
and mail it to the address above.
-----------------------------------------------------------
")
-
+
(ediff-skip-unsuitable-frames)
(ediff-reset-mouse)
-
+
(switch-to-buffer ediff-msg-buffer)
(erase-buffer)
(delete-other-windows)
** reference to free variable pm-color-alist
........................
While compiling the end of the data:
- ** The following functions are not known to be defined:
+ ** The following functions are not known to be defined:
ediff-valid-color-p, ediff-set-face,
........................
suggestions are always welcome.
Mail anyway? (y or n) ")
-
+
(if (y-or-n-p "Mail anyway? ")
(progn
(if (ediff-buffer-live-p ctl-buf)
(set-buffer ctl-buf))
(setq buffer-name (buffer-name))
(require 'reporter)
- (reporter-submit-bug-report "kifer@cs.sunysb.edu"
+ (reporter-submit-bug-report "kifer@cs.stonybrook.edu"
(ediff-version)
varlist
- nil
+ nil
'delete-other-windows
salutation))
(bury-buffer)
(defun ediff-choose-syntax-table ()
(setq ediff-syntax-table
(ediff-with-current-buffer ediff-buffer-A
- (if (not (memq major-mode
+ (if (not (memq major-mode
'(fundamental-mode text-mode indented-text-mode)))
(syntax-table))))
(if (not ediff-syntax-table)
- (setq ediff-syntax-table
+ (setq ediff-syntax-table
(ediff-with-current-buffer ediff-buffer-B
(syntax-table))))
)
-
+
(defun ediff-deactivate-mark ()
- (if ediff-xemacs-p
- (zmacs-deactivate-region)
- (deactivate-mark)))
+ (ediff-cond-compile-for-xemacs-or-emacs
+ (zmacs-deactivate-region) ; xemacs
+ (deactivate-mark) ; emacs
+ ))
(defun ediff-activate-mark ()
- (if ediff-emacs-p
- (setq mark-active t)
- (zmacs-activate-region)))
+ (ediff-cond-compile-for-xemacs-or-emacs
+ (zmacs-activate-region) ; xemacs
+ (setq mark-active t) ; emacs
+ ))
(cond ((fboundp 'nuke-selective-display)
- ;; XEmacs 19.12 has nuke-selective-display
- (fset 'ediff-nuke-selective-display 'nuke-selective-display))
+ ;; XEmacs has nuke-selective-display
+ (defalias 'ediff-nuke-selective-display 'nuke-selective-display))
(t
(defun ediff-nuke-selective-display ()
(save-excursion
(setq selective-display nil)))))
))
-
+
;; The next two are modified versions from emerge.el.
;; VARS must be a list of symbols
;; ediff-save-variables returns an association list: ((var . val) ...)
(assoc-elt (assoc var assoc-list)))
(if assoc-elt
(setcdr assoc-elt value))))
-
-
+
+
;; must execute in control buf
(defun ediff-save-protected-variables ()
(setq ediff-buffer-values-orig-A
(defsubst ediff-save-time ()
(setq ediff-command-begin-time (current-time)))
-
+
(defun ediff-profile ()
"Toggle profiling Ediff commands."
(interactive)
(ediff-barf-if-not-control-buffer)
- (make-local-hook 'post-command-hook)
+
+ (ediff-cond-compile-for-xemacs-or-emacs
+ (make-local-hook 'post-command-hook) ; xemacs form
+ nil ; emacs form
+ )
+
(let ((pre-hook 'pre-command-hook)
(post-hook 'post-command-hook))
(if (not (equal ediff-command-begin-time '(0 0 0)))
(remove-hook post-hook 'ediff-calc-command-time)
(setq ediff-command-begin-time '(0 0 0))
(message "Ediff profiling disabled"))
- (add-hook pre-hook 'ediff-save-time t t)
- (add-hook post-hook 'ediff-calc-command-time nil t)
+ (add-hook pre-hook 'ediff-save-time t 'local)
+ (add-hook post-hook 'ediff-calc-command-time nil 'local)
(message "Ediff profiling enabled"))))
-
+
(defun ediff-print-diff-vector (diff-vector-var)
(princ (format "\n*** %S ***\n" diff-vector-var))
(mapcar (lambda (overl-vec)
\t\tNo-fine-diff-flag: %S
\t\tState-of-diff:\t %S
\t\tState-of-merge:\t %S
-"
+"
(1+ (ediff-overlay-get (aref overl-vec 0) 'ediff-diff-num))
(aref overl-vec 0)
;; fine-diff-vector
)))
(eval diff-vector-var)))
-
+
(defun ediff-debug-info ()
(interactive)
(setq lis (cdr lis)))
lis)
+;; Make a readable representation of the invocation sequence for FUNC-DEF.
+;; It would either be a key or M-x something.
+(defun ediff-format-bindings-of (func-def)
+ (let ((desc (car (where-is-internal func-def
+ overriding-local-map
+ nil nil))))
+ (if desc
+ (key-description desc)
+ (format "M-x %s" func-def))))
+
;; this uses comparison-func to decide who is a member, and this determines how
;; intersection looks like
(defun ediff-intersection (lis1 lis2 comparison-func)
(nconc result (list (car lis1))))
(setq lis1 (cdr lis1)))
(cdr result)))
-
+
;; eliminates duplicates using comparison-func
(defun ediff-union (lis1 lis2 comparison-func)
;;(ediff-load-version-control 'silent)
(run-hooks 'ediff-load-hook)
-
+
;;; Local Variables:
;;; eval: (put 'ediff-defvar-local 'lisp-indent-hook 'defun)
;;; eval: (put 'ediff-with-current-buffer 'edebug-form-spec '(form body))
;;; End:
+;;; arch-tag: f51099b6-ef4b-470f-88a1-3a0e0b03a879
;;; ediff-util.el ends here
HCoop / bpt / emacs.git / blobdiff