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(ediff-setup-diff-regions,ediff-setup-diff-regions3,

ediff-setup-fine-diff-regions): functions modified.
(ediff-shell-command,ediff-shell-command-sentinel,
ediff-shell-command-filter): deleted.
(ediff-exec-process,ediff-process-sentinel,ediff-process-filter): new.
This commit is contained in:
Michael Kifer 1995-10-06 00:54:28 +00:00
parent ff5e95b7c4
commit 4ad42cb56d

View file

@ -120,7 +120,6 @@ file-C. It may ignore file C for diff2 jobs. It should also take
one optional arguments, diff-number to refine.")
;;; Functions
;; Generate the difference vector and overlays for the two files
@ -130,50 +129,20 @@ one optional arguments, diff-number to refine.")
;; ediff-setup-diff-regions-function, which can also have the value
;; ediff-setup-diff-regions3, which takes 4 arguments.
(defun ediff-setup-diff-regions (file-A file-B file-C)
;; force all minibuffers to display ediff's messages.
;; when xemacs implements minibufferless frames, this won't be necessary
;; Force all minibuffers to display ediff's messages.
;; When xemacs implements minibufferless frames, this won't be necessary
(if ediff-xemacs-p (setq synchronize-minibuffers t))
(or (ediff-buffer-live-p ediff-diff-buffer)
(setq ediff-diff-buffer
(get-buffer-create (ediff-unique-buffer-name "*ediff-diff" "*"))))
(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-eval-in-buffer ediff-diff-buffer
(erase-buffer)
;; shell-command tends to display old shell command buffers even when it
;; puts output in another buffer---probably an Emacs bug.
(ediff-kill-buffer-carefully "*Shell Command Output*")
(let ((shell-file-name ediff-shell))
(message "Computing differences ...") (sit-for 0)
(shell-command
(format "%s %s %s %s"
ediff-diff-program ediff-diff-options
(ediff-protect-metachars file-A)
(ediff-protect-metachars file-B))
t)
))
;; compute custom diffs
(let ((shell-file-name ediff-shell)
(recomp-diff-key
(string-to-char
(substitute-command-keys "\\[ediff-update-diffs]"))))
(if (or (= (buffer-size) 0) ; was the first time
(eq last-command-char recomp-diff-key)) ; was a recompute cmd
;; do asynchronously & insert output in ediff-custom-diff-buffer
(ediff-shell-command
(format "%s %s %s %s"
ediff-custom-diff-program ediff-custom-diff-options
(ediff-protect-metachars file-A)
(ediff-protect-metachars file-B))
ediff-custom-diff-buffer)))
(message "Computing differences ...")
(ediff-exec-process ediff-diff-program ediff-diff-buffer 'synchronize
ediff-diff-options file-A file-B)
(ediff-prepare-error-list ediff-diff-ok-lines-regexp ediff-diff-buffer)
(message "Computing differences ... done")(sit-for 0)
;;(message "Computing differences ... done")
(ediff-convert-diffs-to-overlays
(ediff-extract-diffs
ediff-diff-buffer ediff-word-mode ediff-narrow-bounds))
@ -187,41 +156,27 @@ one optional arguments, diff-number to refine.")
(get-buffer-create
(ediff-unique-buffer-name "*ediff-fine-diff" "*"))))
(let (diff3-job diff-program diff-options ok-regexp diff-list)
(let (diff3-job diff-program ok-regexp diff-list)
(setq diff3-job ediff-3way-job
diff-program (if diff3-job ediff-diff3-program ediff-diff-program)
diff-options ""
ok-regexp (if diff3-job
ediff-diff3-ok-lines-regexp
ediff-diff-ok-lines-regexp))
(ediff-eval-in-buffer ediff-fine-diff-buffer
(erase-buffer)
;; shell-command tends to display old shell command buffers even when
;; it puts output in another buffer---probably an Emacs bug.
(ediff-kill-buffer-carefully "*Shell Command Output*")
(let ((shell-file-name ediff-shell))
(message "Refining difference region %d ..." (1+ reg-num))
(shell-command
(format "%s %s %s %s %s"
diff-program diff-options
(if file-A
(ediff-protect-metachars file-A)
(ediff-protect-metachars file-B))
(if file-B
(ediff-protect-metachars file-B)
(ediff-protect-metachars file-A))
(if diff3-job
(if file-C
(ediff-protect-metachars file-C)
(ediff-protect-metachars file-B))
"")
)
t)
))
(ediff-message-if-verbose "Refining difference region %d ..." (1+ reg-num))
(ediff-exec-process diff-program ediff-fine-diff-buffer 'synchronize
;; The shuffle below is because we can compare 3-way
;; or in several 2-way fashions, like fA fC, fA fB,
;; or fB fC.
(if file-A file-A file-B)
(if file-B file-B file-A)
(if diff3-job
(if file-C file-C file-B))
) ; exec process
(ediff-prepare-error-list ok-regexp ediff-fine-diff-buffer)
(message "Refining difference region %d ... done" (1+ reg-num))
;;(ediff-message-if-verbose
;; "Refining difference region %d ... done" (1+ reg-num))
(setq diff-list
(if diff3-job
@ -252,20 +207,25 @@ one optional arguments, diff-number to refine.")
(defun ediff-prepare-error-list (ok-regexp diff-buff)
(ediff-eval-in-buffer ediff-error-buffer
(erase-buffer)
(insert-buffer diff-buff)
(delete-matching-lines ok-regexp)
(if (memq system-type '(vax-vms axp-vms))
(delete-matching-lines "^$")))
;; If diff reports errors, show them then quit.
(if (/= 0 (ediff-eval-in-buffer ediff-error-buffer (buffer-size)))
(let ((ctl-buf ediff-control-buffer)
(error-buf ediff-error-buffer))
(ediff-skip-unsuitable-frames)
(switch-to-buffer error-buf)
(ediff-kill-buffer-carefully ctl-buf)
(error "Errors in diff output. Diff output is in %S" diff-buff))))
(or (ediff-buffer-live-p ediff-error-buffer)
(setq ediff-error-buffer
(get-buffer-create (ediff-unique-buffer-name
"*ediff-errors" "*"))))
(ediff-eval-in-buffer ediff-error-buffer
(erase-buffer)
(insert (ediff-eval-in-buffer diff-buff (buffer-string)))
(goto-char (point-min))
(delete-matching-lines ok-regexp)
(if (memq system-type '(vax-vms axp-vms))
(delete-matching-lines "^$")))
;; If diff reports errors, show them then quit.
(if (/= 0 (ediff-eval-in-buffer ediff-error-buffer (buffer-size)))
(let ((ctl-buf ediff-control-buffer)
(error-buf ediff-error-buffer))
(ediff-skip-unsuitable-frames)
(switch-to-buffer error-buf)
(ediff-kill-buffer-carefully ctl-buf)
(error "Errors in diff output. Diff output is in %S" diff-buff))))
;; BOUNDS specifies visibility bounds to use.
;; WORD-MODE tells whether we are in the word-mode or not.
@ -354,14 +314,18 @@ one optional arguments, diff-number to refine.")
(vector (- a-begin a-prev) (- a-end a-begin)
(- b-begin b-prev) (- b-end b-begin)
(- c-begin c-prev) (- c-end c-begin)
nil ; state of diff
nil ; state of merge
nil nil ; dummy ancestor
nil ; state of diff
nil ; state of merge
nil ; state of ancestor
)
(vector (- a-begin a-prev) (- a-end a-begin)
(- b-begin b-prev) (- b-end b-begin)
nil nil ; dummy buf C
nil nil ; dummy ancestor
nil ; state of diff
nil ; state of merge
nil ; state of ancestor
))
))
a-prev a-end
@ -395,15 +359,19 @@ one optional arguments, diff-number to refine.")
(vector
a-begin-pt a-end-pt b-begin-pt b-end-pt
c-begin-pt c-end-pt
nil nil ; dummy ancestor
;; state of diff
;; shows which buff is different from the other two
(if (eq ediff-default-variant 'default-B) 'A 'B)
;; state of merge
ediff-default-variant
ediff-default-variant ; state of merge
nil ; state of ancestor
)
(vector a-begin-pt a-end-pt b-begin-pt b-end-pt
nil nil ; dummy buf C
nil nil ; dummy state of diff & merge
(vector a-begin-pt a-end-pt
b-begin-pt b-end-pt
nil nil ; dummy buf C
nil nil ; dummy ancestor
nil nil ; dummy state of diff & merge
nil ; dummy state of ancestor
)))
)))
@ -412,6 +380,30 @@ one optional arguments, diff-number to refine.")
))
(defun ediff-convert-diffs-to-overlays (diff-list)
(ediff-set-diff-overlays-in-one-buffer 'A diff-list)
(ediff-set-diff-overlays-in-one-buffer 'B diff-list)
(if ediff-3way-job
(ediff-set-diff-overlays-in-one-buffer 'C diff-list))
(if ediff-merge-with-ancestor-job
(ediff-set-diff-overlays-in-one-buffer 'Ancestor diff-list))
;; set up vector showing the status of merge regions
(if ediff-merge-job
(setq ediff-state-of-merge
(vconcat
(mapcar (function
(lambda (elt)
(let ((state-of-merge (aref elt 9))
(state-of-ancestor (aref elt 10)))
(vector
(if state-of-merge (format "%S" state-of-merge))
state-of-ancestor))))
;; the first elt designates type of list
(cdr diff-list))
)))
(message "Processing difference regions ... done"))
(defun ediff-set-diff-overlays-in-one-buffer (buf-type diff-list)
(let* ((current-diff -1)
(buff (ediff-get-buffer buf-type))
@ -425,7 +417,7 @@ one optional arguments, diff-number to refine.")
(ediff-get-value-according-to-buffer-type
buf-type ediff-narrow-bounds)))
diff-overlay-list list-element total-diffs
begin end pt-saved overlay state-of-diff state-of-merge)
begin end pt-saved overlay state-of-diff)
(setq diff-list (cdr diff-list)) ; discard diff list type
(setq total-diffs (length diff-list))
@ -438,23 +430,23 @@ one optional arguments, diff-number to refine.")
list-element (car diff-list)
begin (aref list-element (cond ((eq buf-type 'A) 0)
((eq buf-type 'B) 2)
(t 4))) ; buff C
((eq buf-type 'C) 4)
(t 6))) ; Ancestor
end (aref list-element (cond ((eq buf-type 'A) 1)
((eq buf-type 'B) 3)
(t 5))) ; buff C
state-of-diff (aref list-element 6)
state-of-merge (aref list-element 7))
((eq buf-type 'C) 5)
(t 7))) ; Ancestor
state-of-diff (aref list-element 8)
)
(cond ((and (not (eq buf-type state-of-diff))
(not (eq buf-type 'Ancestor))
(memq state-of-diff '(A B C)))
(setq state-of-diff
(car (delq buf-type (delq state-of-diff (list 'A 'B 'C)))))
(setq state-of-diff (format "=diff(%S)" state-of-diff))
(if (and ediff-merge-job state-of-merge (eq buf-type 'C))
(setq state-of-merge (format "%S" state-of-merge)))
)
(t (setq state-of-diff nil
state-of-merge nil)))
(t (setq state-of-diff nil)))
;; Put overlays at appropriate places in buffer
;; convert word numbers to points, if necessary
@ -476,37 +468,37 @@ one optional arguments, diff-number to refine.")
(ediff-overlay-put overlay 'ediff-diff-num current-diff)
(ediff-overlay-put
overlay 'insert-in-front-hooks '(ediff-insert-in-front))
(if (ediff-window-display-p)
(ediff-overlay-put
overlay 'face (if (ediff-odd-p current-diff)
(intern
(format "ediff-odd-diff-face-%S-var" buf-type))
(intern
(format "ediff-even-diff-face-%S-var" buf-type)))))
(if (and (ediff-window-display-p)
ediff-use-faces ediff-highlight-all-diffs)
(ediff-set-overlay-face
overlay (ediff-background-face buf-type current-diff)))
(if (= 0 (mod current-diff 10))
(message "Buffer %S: Processing difference region %d of %d"
buf-type current-diff total-diffs))
;; record all overlays for this difference
;; the second elt, nill, is a place holder for the fine diff vector.
;; the last nil is a place holder for no-fine-diffs flag.
;; the second elt, nil, is a place holder for the fine diff vector.
;; the third elt, nil, is a place holder for no-fine-diffs flag.
(setq diff-overlay-list
(nconc
diff-overlay-list
(list (vector overlay nil nil state-of-diff state-of-merge)))
(list (vector overlay nil nil state-of-diff)))
diff-list
(cdr diff-list))
) ; while
(set (intern (format "ediff-difference-vector-%S" buf-type))
(apply 'vector diff-overlay-list))
(vconcat diff-overlay-list))
))
(defsubst ediff-message-if-verbose (string &rest args)
(if ediff-verbose-p
(apply 'message string args)))
;; `n' is the diff region to work on. Default is ediff-current-difference.
;; if `flag' is 'noforce then make fine-diffs only if this region's fine
;; diffs have not been computed before.
;; if `flag' is 'skip then don't compute fine diffs for this region.
;;
(defun ediff-make-fine-diffs (&optional n flag)
(or n (setq n ediff-current-difference))
@ -534,48 +526,46 @@ one optional arguments, diff-number to refine.")
(cond ((and (eq flag 'noforce) (ediff-get-fine-diff-vector n 'A))
;; don't compute fine diffs if diff vector exists
(if (and (ediff-no-fine-diffs-p n) ediff-verbose-p)
(message "Only white-space differences in region %d"
(1+ n))))
;; if one of the regions is empty (or 2 in 3way comparison
;; then don't refine
(if (ediff-no-fine-diffs-p n)
(ediff-message-if-verbose
"Only white-space differences in region %d" (1+ n))))
;; If one of the regions is empty (or 2 in 3way comparison)
;; then don't refine.
;; If the region happens to be entirely whitespace or empty then
;; mark as such.
((> (length (delq nil (list empty-A empty-B empty-C))) 1)
(if (and (ediff-looks-like-combined-merge n)
ediff-merge-job)
(ediff-set-fine-overlays-in-one-buffer 'C nil n))
(if ediff-verbose-p
(if ediff-3way-comparison-job
(message
"Region %d is empty in all buffers but %S"
(1+ n)
(cond ((not empty-A) 'A)
((not empty-B) 'B)
((not empty-C) 'C)))
(message
"Region %d in buffer %S is empty"
(1+ n)
(cond (empty-A 'A)
(empty-B 'B)
(empty-C 'C)))
))
;; if all regions happen to be empty, say, as a result of
;; deletions from non-empty regions, then mark as space only
(if (and empty-A empty-B empty-C)
(if ediff-3way-comparison-job
(ediff-message-if-verbose
"Region %d is empty in all buffers but %S"
(1+ n)
(cond ((not empty-A) 'A)
((not empty-B) 'B)
((not empty-C) 'C)))
(ediff-message-if-verbose
"Region %d in buffer %S is empty"
(1+ n)
(cond (empty-A 'A)
(empty-B 'B)
(empty-C 'C)))
)
;; if all regions happen to be whitespace, indicate this
(if (and whitespace-A whitespace-B whitespace-C)
(ediff-mark-diff-as-space-only n t)
(ediff-mark-diff-as-space-only n nil)))
;; don't compute fine diffs for this region
((eq flag 'skip)
(or (ediff-get-fine-diff-vector n 'A)
(memq ediff-auto-refine '(off nix))
(not ediff-verbose-p)
(message
(ediff-message-if-verbose
"Region %d exceeds auto-refine limit. `%s' force-refines"
(1+ n)
(substitute-command-keys "\\[ediff-make-or-kill-fine-diffs]")
(substitute-command-keys
"\\[ediff-make-or-kill-fine-diffs]")
)))
(t
;; delete old fine diffs
;;(ediff-clear-fine-differences n)
;; recompute fine diffs
(ediff-wordify
(ediff-get-diff-posn 'A 'beg n)
@ -583,8 +573,8 @@ one optional arguments, diff-number to refine.")
ediff-buffer-A
tmp-buffer
ediff-control-buffer)
(ediff-eval-in-buffer tmp-buffer
(setq file-A (ediff-make-temp-file "fineDiffA" file-A)))
(setq file-A
(ediff-make-temp-file tmp-buffer "fineDiffA" file-A))
(ediff-wordify
(ediff-get-diff-posn 'B 'beg n)
@ -592,9 +582,9 @@ one optional arguments, diff-number to refine.")
ediff-buffer-B
tmp-buffer
ediff-control-buffer)
(ediff-eval-in-buffer tmp-buffer
(setq file-B (ediff-make-temp-file "fineDiffB" file-B)))
(setq file-B
(ediff-make-temp-file tmp-buffer "fineDiffB" file-B))
(if ediff-3way-job
(progn
(ediff-wordify
@ -603,9 +593,9 @@ one optional arguments, diff-number to refine.")
ediff-buffer-C
tmp-buffer
ediff-control-buffer)
(ediff-eval-in-buffer tmp-buffer
(setq file-C
(ediff-make-temp-file "fineDiffC" file-C)))))
(setq file-C
(ediff-make-temp-file
tmp-buffer "fineDiffC" file-C))))
;; save temp file names.
(setq ediff-temp-file-A file-A
@ -642,11 +632,11 @@ one optional arguments, diff-number to refine.")
(not (and ediff-3way-job whitespace-C))
(eq cumulative-fine-diff-length 0)))
(ediff-mark-diff-as-space-only n t)
(message
(ediff-message-if-verbose
"Only white-space differences in region %d" (1+ n)))
((eq cumulative-fine-diff-length 0)
(ediff-mark-diff-as-space-only n nil)
(message
(ediff-message-if-verbose
"Only white-space differences in region %d %s"
(1+ n)
(cond (whitespace-A "in buffers B & C")
@ -696,11 +686,6 @@ one optional arguments, diff-number to refine.")
'default
(face-name
(intern (format "ediff-fine-diff-face-%S" buf-type)))))
;; (if (and (eq buf-type 'C)
;; (ediff-looks-like-combined-merge n))
;; 'ediff-combined-diff-face
;; (face-name
;; (intern (format "ediff-fine-diff-face-%S" buf-type))))))
(priority (if default
0
(1+ (or (ediff-overlay-get
@ -712,7 +697,7 @@ one optional arguments, diff-number to refine.")
0)))))
(mapcar
(function (lambda (overl)
(ediff-overlay-put overl 'face face)
(ediff-set-overlay-face overl face)
(ediff-overlay-put overl 'priority priority)))
fine-diff-vector)))
@ -778,7 +763,7 @@ one optional arguments, diff-number to refine.")
;; convert the list of difference information into a vector
;; for fast access
(ediff-set-fine-diff-vector
region-num buf-type (apply 'vector diff-overlay-list))
region-num buf-type (vconcat diff-overlay-list))
)))
@ -815,17 +800,20 @@ one optional arguments, diff-number to refine.")
;; Else, use point values.
;; WORD-MODE also tells if we are in the word-mode or not.
;; If THREE-WAY-COMP, then it is a 3-way comparison. Else, it is merging
;; with ancestor, in which case buffer-C contents is identical to buffer-A
;; contents (unless buffer-A is narrowed.
;; with ancestor, in which case buffer-C contents is identical to buffer-A/B,
;; contents (unless buffer-A is narrowed) depending on ediff-default-variant's
;; value.
;; BOUNDS specifies visibility bounds to use.
(defun ediff-extract-diffs3 (diff-buffer word-mode three-way-comp
&optional bounds)
(let ((A-buffer ediff-buffer-A)
(B-buffer ediff-buffer-B)
(C-buffer ediff-buffer-C)
(anc-buffer ediff-ancestor-buffer)
(a-prev 1) ; needed to set the first diff line correctly
(b-prev 1)
(c-prev 1)
(anc-prev 1)
diff-list shift-A shift-B shift-C
)
@ -849,8 +837,12 @@ one optional arguments, diff-number to refine.")
(goto-char (if shift-A shift-A (point-min))))
(ediff-eval-in-buffer B-buffer
(goto-char (if shift-B shift-B (point-min))))
(ediff-eval-in-buffer C-buffer
(goto-char (if shift-C shift-C (point-min))))
(if three-way-comp
(ediff-eval-in-buffer C-buffer
(goto-char (if shift-C shift-C (point-min)))))
(if (ediff-buffer-live-p anc-buffer)
(ediff-eval-in-buffer anc-buffer
(goto-char (point-min))))
(ediff-eval-in-buffer diff-buffer
(goto-char (point-min))
@ -865,6 +857,8 @@ one optional arguments, diff-number to refine.")
(a-end (nth 1 (ediff-get-diff3-group "1")))
(b-begin (car (ediff-get-diff3-group "2")))
(b-end (nth 1 (ediff-get-diff3-group "2")))
(c-or-anc-begin (car (ediff-get-diff3-group "3")))
(c-or-anc-end (nth 1 (ediff-get-diff3-group "3")))
(state-of-merge
(cond ((string-equal agreement "1") 'prefer-A)
((string-equal agreement "2") 'prefer-B)
@ -875,18 +869,25 @@ one optional arguments, diff-number to refine.")
(cond ((string-equal agreement "1") 'A)
((string-equal agreement "2") 'B)
((string-equal agreement "3") 'C)))
state-of-ancestor
c-begin c-end
a-begin-pt a-end-pt
b-begin-pt b-end-pt c-begin-pt c-end-pt)
b-begin-pt b-end-pt
c-begin-pt c-end-pt
anc-begin-pt anc-end-pt)
(if three-way-comp
(setq c-begin (car (ediff-get-diff3-group "3"))
c-end (nth 1 (ediff-get-diff3-group "3")))
(if (eq ediff-default-variant 'default-B)
(setq c-begin b-begin
c-end b-end)
(setq c-begin a-begin
c-end a-end)))
(setq state-of-ancestor
(= c-or-anc-begin c-or-anc-end))
(cond (three-way-comp
(setq c-begin c-or-anc-begin
c-end c-or-anc-end))
((eq ediff-default-variant 'default-B)
(setq c-begin b-begin
c-end b-end))
(t
(setq c-begin a-begin
c-end a-end)))
;; compute main diff vector
(if word-mode
@ -897,7 +898,11 @@ one optional arguments, diff-number to refine.")
(- a-begin a-prev) (- a-end a-begin)
(- b-begin b-prev) (- b-end b-begin)
(- c-begin c-prev) (- c-end c-begin)
nil nil))) ; state of diff & merge
nil nil ; dummy ancestor
nil ; state of diff
nil ; state of merge
nil ; state of ancestor
)))
a-prev a-end
b-prev b-end
c-prev c-end)
@ -920,6 +925,13 @@ one optional arguments, diff-number to refine.")
(forward-line (- c-end c-begin))
(setq c-end-pt (point)
c-prev c-end))
(if (ediff-buffer-live-p anc-buffer)
(ediff-eval-in-buffer anc-buffer
(forward-line (- c-or-anc-begin anc-prev))
(setq anc-begin-pt (point))
(forward-line (- c-or-anc-end c-or-anc-begin))
(setq anc-end-pt (point)
anc-prev c-or-anc-end)))
(setq diff-list
(nconc
diff-list
@ -930,14 +942,18 @@ one optional arguments, diff-number to refine.")
a-begin-pt a-end-pt
b-begin-pt b-end-pt
c-begin-pt c-end-pt
nil nil ; ancestor begin/end
state-of-diff-comparison
nil ; state of merge
nil ; state of merge
nil ; state of ancestor
))
(list (vector a-begin-pt a-end-pt
b-begin-pt b-end-pt
c-begin-pt c-end-pt
anc-begin-pt anc-end-pt
state-of-diff-merge
state-of-merge
state-of-ancestor
)))
)))
))
@ -959,24 +975,12 @@ one optional arguments, diff-number to refine.")
(setq ediff-diff-buffer
(get-buffer-create (ediff-unique-buffer-name "*ediff-diff" "*"))))
(ediff-eval-in-buffer ediff-diff-buffer
(erase-buffer)
;; shell-command tends to display old shell command buffers even when it
;; puts output in another buffer---probably an Emacs bug.
(ediff-kill-buffer-carefully "*Shell Command Output*")
(let ((shell-file-name ediff-shell))
(message "Computing differences ...")(sit-for 0)
(shell-command
(format "%s %s %s %s %s"
ediff-diff3-program ediff-diff3-options
(ediff-protect-metachars file-A)
(ediff-protect-metachars file-B)
(ediff-protect-metachars file-C))
t)
))
(message "Computing differences ...")
(ediff-exec-process ediff-diff3-program ediff-diff-buffer 'synchronize
ediff-diff3-options file-A file-B file-C)
(ediff-prepare-error-list ediff-diff3-ok-lines-regexp ediff-diff-buffer)
(message "Computing differences ... done")(sit-for 0)
;;(message "Computing differences ... done")
(ediff-convert-diffs-to-overlays
(ediff-extract-diffs3
ediff-diff-buffer
@ -984,35 +988,45 @@ one optional arguments, diff-number to refine.")
))
;; Execute shell COMMAND asynchronously and insert output in BUFFER.
;; Execute PROGRAM asynchronously, unless OS/2 or unless SYNCH is non-nil.
;; BUFFER must be a buffer object, and must be alive.
;; There should be NO ampersand at the end of the command.
;; We introduce this command because Emacs shell-command doesn't let us
;; insert output in current buffer asynchronously.
;; Most of this command was stolen from Emacs shell-command."
(defun ediff-shell-command (command buffer)
;; All arguments in ARGS must be strings. The first arg may be a blank string,
;; in which case we delete it from ARGS list. We also delete nil from args.
(defun ediff-exec-process (program buffer synch &rest args)
(let ((data (match-data)))
(if (string-match "^[ \t]*$" (car args)) ; delete blank string
(setq args (cdr args)))
(setq args (delq nil args)) ; delete nil from arguments
(setq args (ediff-split-string (mapconcat 'identity args " ")))
(unwind-protect
(let ((directory default-directory)
proc)
;; If will kill a process, query first.
(setq proc (get-buffer-process buffer))
(if proc (kill-process proc))
(save-excursion
(set-buffer buffer)
(erase-buffer)
(setq default-directory directory)
(setq proc (start-process "Shell" buffer
shell-file-name "-c" command))
(setq mode-line-process '(":%s"))
(set-process-sentinel proc 'ediff-shell-command-sentinel)
(set-process-filter proc 'ediff-shell-command-filter)
))
(if (or (eq system-type 'emx) synch)
;; In OS/2 do it synchronously, since OS/2 doesn't let us
;; delete files used by other processes. Thus, in ediff-buffers
;; and similar functions, we can't delete temp files because
;; they might be used by the asynch process that computes
;; custom diffs. So, we have to wait till custom diff
;; subprocess is done.
(apply 'call-process program nil buffer nil args)
;; On other systems, do it asynchronously.
(setq proc (get-buffer-process buffer))
(if proc (kill-process proc))
(setq proc
(apply 'start-process "Custom Diff" buffer program args))
(setq mode-line-process '(":%s"))
(set-process-sentinel proc 'ediff-process-sentinel)
(set-process-filter proc 'ediff-process-filter)
)))
(store-match-data data))))
;; This is shell-command-filter from simple.el in FSF Emacs.
;; Copied here because XEmacs doesn't have it.
(defun ediff-shell-command-filter (proc string)
(defun ediff-process-filter (proc string)
;; Do save-excursion by hand so that we can leave point numerically unchanged
;; despite an insertion immediately after it.
(let* ((obuf (current-buffer))
@ -1037,7 +1051,7 @@ one optional arguments, diff-number to refine.")
;; like shell-command-sentinel but doesn't print an exit status message
;; we do this because diff always exits with status 1, if diffs are found
;; so shell-command-sentinel displays a confusing message to the user
(defun ediff-shell-command-sentinel (process signal)
(defun ediff-process-sentinel (process signal)
(if (and (memq (process-status process) '(exit signal))
(buffer-name (process-buffer process)))
(progn