1534 lines
59 KiB
EmacsLisp
1534 lines
59 KiB
EmacsLisp
;;; ediff-init.el --- Macros, variables, and defsubsts used by Ediff -*- lexical-binding:t -*-
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;; Copyright (C) 1994-2023 Free Software Foundation, Inc.
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;; Author: Michael Kifer <kifer@cs.stonybrook.edu>
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;; Package: ediff
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;;; Code:
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(require 'cl-lib)
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(require 'ediff-util)
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(defvar ediff-metajob-name)
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(defvar ediff-meta-buffer)
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(defvar ediff-grab-mouse)
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(defvar ediff-mouse-pixel-position)
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(defvar ediff-mouse-pixel-threshold)
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(defvar ediff-multiframe)
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(defvar ediff-use-toolbar-p)
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(defvar ediff-force-faces nil
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"If t, Ediff will think that it is running on a display that supports faces.
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This is provided as a temporary relief for users of face-capable displays
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that Ediff doesn't know about.")
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(defsubst ediff-device-type ()
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(declare (obsolete window-system "27.1"))
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window-system)
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;; test if supports faces
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(defun ediff-has-face-support-p ()
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(cond ((display-graphic-p))
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(ediff-force-faces)
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((display-color-p))
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(t (memq window-system '(pc)))))
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;; toolbar support for emacs hasn't been implemented in ediff
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(defun ediff-has-toolbar-support-p ()
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nil)
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(defun ediff-use-toolbar-p ()
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(and (ediff-has-toolbar-support-p) ;Can it do it ?
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(boundp 'ediff-use-toolbar-p)
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ediff-use-toolbar-p)) ;Does the user want it ?
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;; Plagiarized from `emerge-defvar-local'.
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(defmacro ediff-defvar-local (symbol value &optional doc)
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"Define SYMBOL as an advertised buffer-local variable.
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Run `defvar-local', setting the value of the variable to VALUE
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and its docstring to DOC.
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Then set the `permanent-local' property, so that
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`kill-all-local-variables' (called by major-mode setting
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commands) won't destroy Ediff control variables."
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(declare (indent defun) (doc-string 3))
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`(progn
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(defvar-local ,symbol ,value ,doc)
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(put ',symbol 'permanent-local t)))
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;; Variables that control each Ediff session---local to the control buffer.
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;; Mode variables
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(ediff-defvar-local ediff-buffer-A nil
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"The buffer in which the A variant is stored.")
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(ediff-defvar-local ediff-buffer-B nil
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"The buffer in which the B variant is stored.")
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(ediff-defvar-local ediff-buffer-C nil
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"The buffer in which the C variant is stored or where the merge buffer lives.")
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(ediff-defvar-local ediff-ancestor-buffer nil
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"Ancestor buffer.")
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(ediff-defvar-local ediff-control-buffer nil
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"The Ediff control buffer.")
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(ediff-defvar-local ediff-temp-indirect-buffer nil
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"If t, the buffer is a temporary indirect buffer.
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It needs to be killed when we quit the session.")
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(defconst ediff-buffer-alist
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'((?A . ediff-buffer-A)
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(?B . ediff-buffer-B)
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(?C . ediff-buffer-C))
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"Association between `buff-type' and `ediff-buffer-*'.")
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;;; Macros
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(defsubst ediff-buffer-live-p (buf)
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(and buf (get-buffer buf) (buffer-name (get-buffer buf))))
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(defmacro ediff-get-buffer (arg)
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`(cond ((eq ,arg 'A) ediff-buffer-A)
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((eq ,arg 'B) ediff-buffer-B)
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((eq ,arg 'C) ediff-buffer-C)
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((eq ,arg 'Ancestor) ediff-ancestor-buffer)
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))
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(defmacro ediff-get-value-according-to-buffer-type (buf-type list)
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`(cond ((eq ,buf-type 'A) (nth 0 ,list))
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((eq ,buf-type 'B) (nth 1 ,list))
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((eq ,buf-type 'C) (nth 2 ,list))
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))
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(defmacro ediff-char-to-buftype (arg)
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`(cond ((memq ,arg '(?a ?A)) 'A)
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((memq ,arg '(?b ?B)) 'B)
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((memq ,arg '(?c ?C)) 'C)
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))
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;; A-list is supposed to be of the form (A . symb) (B . symb)...)
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;; where the first part of any association is a buffer type and the second is
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;; an appropriate symbol. Given buffer-type, this function returns the
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;; symbol. This is used to avoid using `intern'
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(defsubst ediff-get-symbol-from-alist (buf-type alist)
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(cdr (assoc buf-type alist)))
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;; Vector of differences between the variants. Each difference is
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;; represented by a vector of two overlays plus a vector of fine diffs,
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;; plus a no-fine-diffs flag. The first overlay spans the
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;; difference region in the A buffer and the second overlays the diff in
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;; the B buffer. If a difference section is empty, the corresponding
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;; overlay's endpoints coincide.
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;;
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;; The precise form of a Difference Vector for one buffer is:
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;; [diff diff diff ...]
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;; where each diff has the form:
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;; [diff-overlay fine-diff-vector no-fine-diffs-flag state-of-diff]
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;; fine-diff-vector is a vector [fine-diff-overlay fine-diff-overlay ...]
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;; no-fine-diffs-flag says if there are fine differences.
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;; state-of-difference is A, B, C, or nil, indicating which buffer is
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;; different from the other two (used only in 3-way jobs.
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(ediff-defvar-local ediff-difference-vector-A nil)
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(ediff-defvar-local ediff-difference-vector-B nil)
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(ediff-defvar-local ediff-difference-vector-C nil)
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(ediff-defvar-local ediff-difference-vector-Ancestor nil)
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;; A-list of diff vector types associated with buffer types
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(defconst ediff-difference-vector-alist
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'((A . ediff-difference-vector-A)
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(B . ediff-difference-vector-B)
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(C . ediff-difference-vector-C)
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(Ancestor . ediff-difference-vector-Ancestor)))
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(defmacro ediff-get-difference (n buf-type)
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`(aref
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(symbol-value
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(ediff-get-symbol-from-alist
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,buf-type ediff-difference-vector-alist))
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,n))
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;; Tell if it has been previously determined that the region has
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;; no diffs other than the white space and newlines
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;; The argument, N, is the diff region number used by Ediff to index the
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;; diff vector. It is 1 less than the number seen by the user.
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;; Returns:
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;; t if the diffs are whitespace in all buffers
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;; 'A (in 3-buf comparison only) if there are only whitespace
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;; diffs in bufs B and C
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;; 'B (in 3-buf comparison only) if there are only whitespace
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;; diffs in bufs A and C
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;; 'C (in 3-buf comparison only) if there are only whitespace
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;; diffs in bufs A and B
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;;
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;; A Difference Vector has the form:
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;; [diff diff diff ...]
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;; where each diff has the form:
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;; [overlay fine-diff-vector no-fine-diffs-flag state-of-difference]
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;; fine-diff-vector is a vector [fine-diff fine-diff fine-diff ...]
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;; no-fine-diffs-flag says if there are fine differences.
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;; state-of-difference is A, B, C, or nil, indicating which buffer is
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;; different from the other two (used only in 3-way jobs).
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(defmacro ediff-no-fine-diffs-p (n)
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`(aref (ediff-get-difference ,n 'A) 2))
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(defmacro ediff-get-diff-overlay-from-diff-record (diff-rec)
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`(aref ,diff-rec 0))
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(defmacro ediff-get-diff-overlay (n buf-type)
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`(ediff-get-diff-overlay-from-diff-record
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(ediff-get-difference ,n ,buf-type)))
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(defmacro ediff-get-fine-diff-vector-from-diff-record (diff-rec)
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`(aref ,diff-rec 1))
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(defmacro ediff-set-fine-diff-vector (n buf-type fine-vec)
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`(aset (ediff-get-difference ,n ,buf-type) 1 ,fine-vec))
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(defmacro ediff-get-state-of-diff (n buf-type)
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`(if (ediff-buffer-live-p ediff-buffer-C)
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(aref (ediff-get-difference ,n ,buf-type) 3)))
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(defmacro ediff-set-state-of-diff (n buf-type val)
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`(aset (ediff-get-difference ,n ,buf-type) 3 ,val))
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(defmacro ediff-get-state-of-merge (n)
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`(if ediff-state-of-merge
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(aref (aref ediff-state-of-merge ,n) 0)))
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(defmacro ediff-set-state-of-merge (n val)
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`(if ediff-state-of-merge
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(aset (aref ediff-state-of-merge ,n) 0 ,val)))
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(defmacro ediff-get-state-of-ancestor (n)
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`(if ediff-state-of-merge
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(aref (aref ediff-state-of-merge ,n) 1)))
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;; if flag is t, puts a mark on diff region saying that
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;; the differences are in white space only. If flag is nil,
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;; the region is marked as essential (i.e., differences are
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;; not just in the white space and newlines.)
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(defmacro ediff-mark-diff-as-space-only (n flag)
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`(aset (ediff-get-difference ,n 'A) 2 ,flag))
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(defmacro ediff-get-fine-diff-vector (n buf-type)
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`(ediff-get-fine-diff-vector-from-diff-record
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(ediff-get-difference ,n ,buf-type)))
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;; Macro to switch to BUFFER, evaluate BODY, returns to original buffer.
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;; Doesn't save the point and mark.
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;; This is `with-current-buffer' with the added test for live buffers."
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(defmacro ediff-with-current-buffer (buffer &rest body)
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"Evaluate BODY in BUFFER."
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(declare (indent 1) (debug (form body)))
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`(if (ediff-buffer-live-p ,buffer)
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(save-current-buffer
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(set-buffer ,buffer)
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,@body)
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(or (eq this-command 'ediff-quit)
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(error ediff-KILLED-VITAL-BUFFER))
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))
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(defsubst ediff-multiframe-setup-p ()
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(and (display-graphic-p) ediff-multiframe))
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(defmacro ediff-narrow-control-frame-p ()
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'(and (ediff-multiframe-setup-p)
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(equal ediff-help-message ediff-brief-message-string)))
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(defmacro ediff-3way-comparison-job ()
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'(memq
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ediff-job-name
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'(ediff-files3 ediff-buffers3)))
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(ediff-defvar-local ediff-3way-comparison-job nil)
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(defmacro ediff-merge-job ()
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'(memq
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ediff-job-name
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'(ediff-merge-files
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ediff-merge-buffers
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ediff-merge-files-with-ancestor
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ediff-merge-buffers-with-ancestor
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ediff-merge-revisions
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ediff-merge-revisions-with-ancestor)))
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(ediff-defvar-local ediff-merge-job nil)
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(defmacro ediff-patch-job ()
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'(eq ediff-job-name 'epatch))
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(defmacro ediff-merge-with-ancestor-job ()
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'(memq
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ediff-job-name
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'(ediff-merge-files-with-ancestor
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ediff-merge-buffers-with-ancestor
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ediff-merge-revisions-with-ancestor)))
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(ediff-defvar-local ediff-merge-with-ancestor-job nil)
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(defmacro ediff-3way-job ()
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'(or ediff-3way-comparison-job ediff-merge-job))
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(ediff-defvar-local ediff-3way-job nil)
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;; A diff3 job is like a 3way job, but ediff-merge doesn't require the use
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;; of diff3.
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(defmacro ediff-diff3-job ()
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'(or ediff-3way-comparison-job
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ediff-merge-with-ancestor-job))
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(ediff-defvar-local ediff-diff3-job nil)
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(defmacro ediff-windows-job ()
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'(memq ediff-job-name '(ediff-windows-wordwise ediff-windows-linewise)))
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(ediff-defvar-local ediff-windows-job nil "")
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(defmacro ediff-word-mode-job ()
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'(memq ediff-job-name '(ediff-windows-wordwise ediff-regions-wordwise)))
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(ediff-defvar-local ediff-word-mode-job nil)
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(defmacro ediff-narrow-job ()
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'(memq ediff-job-name '(ediff-windows-wordwise
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ediff-regions-wordwise
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ediff-windows-linewise
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ediff-regions-linewise)))
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(ediff-defvar-local ediff-narrow-job nil)
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;; Note: ediff-merge-directory-revisions-with-ancestor is not treated as an
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;; ancestor metajob, since it behaves differently.
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(defsubst ediff-ancestor-metajob (&optional metajob)
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(memq (or metajob ediff-metajob-name)
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'(ediff-merge-directories-with-ancestor
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ediff-merge-filegroups-with-ancestor)))
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(defsubst ediff-revision-metajob (&optional metajob)
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(memq (or metajob ediff-metajob-name)
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'(ediff-directory-revisions
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ediff-merge-directory-revisions
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ediff-merge-directory-revisions-with-ancestor)))
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(defsubst ediff-patch-metajob (&optional metajob)
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(memq (or metajob ediff-metajob-name)
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'(ediff-multifile-patch)))
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;; metajob involving only one group of files, such as multi-patch or directory
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;; revision
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(defsubst ediff-one-filegroup-metajob (&optional metajob)
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(or (ediff-revision-metajob metajob)
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(ediff-patch-metajob metajob)
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;; add more here
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))
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;; jobs suitable for the operation of collecting diffs into a multifile patch
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(defsubst ediff-collect-diffs-metajob (&optional metajob)
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(memq (or metajob ediff-metajob-name)
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'(ediff-directories
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ediff-merge-directories
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ediff-merge-directories-with-ancestor
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ediff-directory-revisions
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ediff-merge-directory-revisions
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ediff-merge-directory-revisions-with-ancestor
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;; add more here
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)))
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(defsubst ediff-merge-metajob (&optional metajob)
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(memq (or metajob ediff-metajob-name)
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'(ediff-merge-directories
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ediff-merge-directories-with-ancestor
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ediff-merge-directory-revisions
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ediff-merge-directory-revisions-with-ancestor
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ediff-merge-filegroups-with-ancestor
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;; add more here
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)))
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(defsubst ediff-metajob3 (&optional metajob)
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(memq (or metajob ediff-metajob-name)
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'(ediff-merge-directories-with-ancestor
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ediff-merge-filegroups-with-ancestor
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ediff-directories3
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ediff-filegroups3)))
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(defsubst ediff-comparison-metajob3 (&optional metajob)
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(memq (or metajob ediff-metajob-name)
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'(ediff-directories3 ediff-filegroups3)))
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;; with no argument, checks if we are in ediff-control-buffer
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;; with argument, checks if we are in ediff-meta-buffer
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(defun ediff-in-control-buffer-p (&optional meta-buf-p)
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(and (boundp 'ediff-control-buffer)
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(eq (if meta-buf-p ediff-meta-buffer ediff-control-buffer)
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(current-buffer))))
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(defsubst ediff-barf-if-not-control-buffer (&optional meta-buf-p)
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(or (ediff-in-control-buffer-p meta-buf-p)
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(user-error "%S: This command runs in Ediff Control Buffer only!"
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this-command)))
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(defgroup ediff-highlighting nil
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"Highlighting of difference regions in Ediff."
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:prefix "ediff-"
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:group 'ediff)
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(defgroup ediff-merge nil
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"Merging utilities."
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:prefix "ediff-"
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:group 'ediff)
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(defgroup ediff-hook nil
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"Hooks run by Ediff."
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:prefix "ediff-"
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:group 'ediff)
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;; Hook variables
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(defcustom ediff-before-setup-hook nil
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"Hooks to run before Ediff begins to set up windows and buffers.
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This hook can be used to save the previous window config, which can be restored
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on `ediff-quit' or `ediff-suspend'."
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:type 'hook
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:group 'ediff-hook)
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(defcustom ediff-before-setup-windows-hook nil
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"Hooks to run before Ediff sets its window configuration.
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This hook is run every time when Ediff arranges its windows.
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This happens each time Ediff detects that the windows were messed up by the
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user."
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:type 'hook
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:group 'ediff-hook)
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(defcustom ediff-after-setup-windows-hook nil
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"Hooks to run after Ediff sets its window configuration.
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This can be used to set up control window or icon in a desired place."
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:type 'hook
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:group 'ediff-hook)
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(defcustom ediff-before-setup-control-frame-hook nil
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"Hooks run before setting up the frame to display Ediff Control Panel.
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Can be used to change control frame parameters to position it where it
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is desirable."
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:type 'hook
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:group 'ediff-hook)
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(defcustom ediff-after-setup-control-frame-hook nil
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"Hooks run after setting up the frame to display Ediff Control Panel.
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Can be used to move the frame where it is desired."
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:type 'hook
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:group 'ediff-hook)
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(defcustom ediff-startup-hook nil
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"Hooks to run in the control buffer after Ediff has been set up and is ready."
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:type 'hook
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:group 'ediff-hook)
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(defcustom ediff-select-hook nil
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"Hooks to run after a difference has been selected."
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:type 'hook
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:group 'ediff-hook)
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(defcustom ediff-unselect-hook nil
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"Hooks to run after a difference has been unselected."
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:type 'hook
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:group 'ediff-hook)
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(defcustom ediff-prepare-buffer-hook nil
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"Hooks run after buffers A, B, and C are set up.
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For each buffer, the hooks are run with that buffer made current."
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:type 'hook
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:group 'ediff-hook)
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(defcustom ediff-load-hook nil
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"Hook run after Ediff is loaded. Can be used to change defaults."
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:type 'hook
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:group 'ediff-hook)
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(make-obsolete-variable 'ediff-load-hook
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"use `with-eval-after-load' instead." "28.1")
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(defcustom ediff-mode-hook nil
|
|
"Hook run just after `ediff-mode' is set up in the control buffer.
|
|
This is done before any windows or frames are created. One can use it to
|
|
set local variables that determine how the display looks like."
|
|
:type 'hook
|
|
:group 'ediff-hook)
|
|
(defcustom ediff-keymap-setup-hook nil
|
|
"Hook run just after the default bindings in Ediff keymap are set up."
|
|
:type 'hook
|
|
:group 'ediff-hook)
|
|
|
|
(defcustom ediff-display-help-hook nil
|
|
"Hooks run after preparing the help message."
|
|
:type 'hook
|
|
:group 'ediff-hook)
|
|
|
|
(defcustom ediff-suspend-hook nil
|
|
"Hooks to run in the Ediff control buffer when Ediff is suspended."
|
|
:type 'hook
|
|
:group 'ediff-hook)
|
|
(defcustom ediff-quit-hook nil
|
|
"Hooks to run in the Ediff control buffer after finishing Ediff."
|
|
:type 'hook
|
|
:group 'ediff-hook)
|
|
(defcustom ediff-cleanup-hook nil
|
|
"Hooks to run on exiting Ediff, before killing the control and variant buffers."
|
|
:type 'hook
|
|
:group 'ediff-hook)
|
|
|
|
;; Error messages
|
|
(defconst ediff-KILLED-VITAL-BUFFER
|
|
"You have killed a vital Ediff buffer---you must leave Ediff now!")
|
|
(defconst ediff-NO-DIFFERENCES
|
|
"Sorry, comparison of identical variants is not what I am made for...")
|
|
(defconst ediff-BAD-DIFF-NUMBER
|
|
;; %S stands for this-command, %d - diff number, %d - max diff
|
|
"%S: Bad diff region number, %d. Valid numbers are 1 to %d")
|
|
(defconst ediff-BAD-INFO "
|
|
*** The Info file for Ediff, a part of the standard distribution
|
|
*** of Emacs, does not seem to be properly installed.
|
|
***
|
|
*** Please contact your system administrator. ")
|
|
|
|
;; Selective browsing
|
|
|
|
(ediff-defvar-local ediff-skip-diff-region-function #'ediff-show-all-diffs
|
|
"Function that determines the next/previous diff region to show.
|
|
Should return t for regions to be ignored and nil otherwise.
|
|
This function gets a region number as an argument. The region number
|
|
is the one used internally by Ediff. It is 1 less than the number seen
|
|
by the user.")
|
|
|
|
(ediff-defvar-local ediff-hide-regexp-matches-function
|
|
'ediff-hide-regexp-matches
|
|
"Function to use in determining which regions to hide.
|
|
See the documentation string of `ediff-hide-regexp-matches' for details.")
|
|
(ediff-defvar-local ediff-focus-on-regexp-matches-function
|
|
'ediff-focus-on-regexp-matches
|
|
"Function to use in determining which regions to focus on.
|
|
See the documentation string of `ediff-focus-on-regexp-matches' for details.")
|
|
|
|
(ediff-defvar-local ediff-regexp-focus-A ""
|
|
"Regexp that determines buf A regions to focus on when skipping to diff.")
|
|
(ediff-defvar-local ediff-regexp-focus-B ""
|
|
"Regexp that determines buf B regions to focus on when skipping to diff.")
|
|
(ediff-defvar-local ediff-regexp-focus-C ""
|
|
"Regexp that determines buf C regions to focus on when skipping to diff.")
|
|
;; connective that determines whether to focus regions that match both or
|
|
;; one of the regexps
|
|
(ediff-defvar-local ediff-focus-regexp-connective 'and)
|
|
|
|
(ediff-defvar-local ediff-regexp-hide-A ""
|
|
"Regexp that determines buf A regions to ignore when skipping to diff.")
|
|
(ediff-defvar-local ediff-regexp-hide-B ""
|
|
"Regexp that determines buf B regions to ignore when skipping to diff.")
|
|
(ediff-defvar-local ediff-regexp-hide-C ""
|
|
"Regexp that determines buf C regions to ignore when skipping to diff.")
|
|
;; connective that determines whether to hide regions that match both or
|
|
;; one of the regexps
|
|
(ediff-defvar-local ediff-hide-regexp-connective 'and)
|
|
|
|
|
|
;;; Copying difference regions between buffers.
|
|
|
|
;; A list of killed diffs.
|
|
;; A diff is saved here if it is replaced by a diff
|
|
;; from another buffer. This alist has the form:
|
|
;; \((num (buff-object . diff) (buff-object . diff) (buff-object . diff)) ...),
|
|
;; where some buffer-objects may be missing.
|
|
(ediff-defvar-local ediff-killed-diffs-alist nil)
|
|
|
|
;; Syntax table to use in ediff-forward-word-function
|
|
;; This is chosen by a heuristic. The important thing is for all buffers to
|
|
;; have the same syntax table. Which is not too important.
|
|
(ediff-defvar-local ediff-syntax-table nil)
|
|
|
|
|
|
;; Highlighting
|
|
(defcustom ediff-before-flag-bol "->>"
|
|
"Flag placed before highlighted block of differences at beginning of a line."
|
|
:type 'string
|
|
:tag "Region before-flag at beginning of line"
|
|
:group 'ediff)
|
|
|
|
(defcustom ediff-after-flag-eol "<<-"
|
|
"Flag placed after highlighted block of differences that ends at end of line."
|
|
:type 'string
|
|
:tag "Region after-flag at end of line"
|
|
:group 'ediff)
|
|
|
|
(defcustom ediff-before-flag-mol "->>"
|
|
"Flag placed before highlighted block of differences that starts mid-line."
|
|
:type 'string
|
|
:tag "Region before-flag in the middle of line"
|
|
:group 'ediff)
|
|
(defcustom ediff-after-flag-mol "<<-"
|
|
"Flag placed after a highlighted block of differences, if block ends in mid-line."
|
|
:type 'string
|
|
:tag "Region after-flag in the middle of line"
|
|
:group 'ediff)
|
|
|
|
|
|
(defcustom ediff-use-faces t
|
|
"If t, differences are highlighted using faces, if device supports faces.
|
|
If nil, differences are highlighted using ASCII flags, ediff-before-flag
|
|
and ediff-after-flag. On a non-window system, differences are always
|
|
highlighted using ASCII flags."
|
|
:type 'boolean
|
|
:group 'ediff-highlighting)
|
|
(make-variable-buffer-local 'ediff-use-faces)
|
|
(put 'ediff-use-faces 'permanent-local t)
|
|
|
|
;; this indicates that diff regions are word-size, so fine diffs are
|
|
;; permanently nixed; used in ediff-windows-wordwise and ediff-regions-wordwise
|
|
(ediff-defvar-local ediff-word-mode nil)
|
|
;; Name of the job (ediff-files, ediff-windows, etc.)
|
|
(ediff-defvar-local ediff-job-name nil)
|
|
|
|
;; Narrowing and ediff-region/windows support
|
|
;; This is a list (overlay-A overlay-B overlay-C)
|
|
;; If set, Ediff compares only those parts of buffers A/B/C that lie within
|
|
;; the bounds of these overlays.
|
|
(ediff-defvar-local ediff-narrow-bounds nil)
|
|
|
|
;; List (overlay-A overlay-B overlay-C), where each overlay spans the
|
|
;; entire corresponding buffer.
|
|
(ediff-defvar-local ediff-wide-bounds nil)
|
|
|
|
;; Current visibility boundaries in buffers A, B, and C.
|
|
;; This is also a list of overlays. When the user toggles narrow/widen,
|
|
;; this list changes from ediff-wide-bounds to ediff-narrow-bounds.
|
|
;; and back.
|
|
(ediff-defvar-local ediff-visible-bounds nil)
|
|
|
|
(ediff-defvar-local ediff-start-narrowed t
|
|
"Non-nil means start narrowed, if doing ediff-windows-* or ediff-regions-*")
|
|
(ediff-defvar-local ediff-quit-widened t
|
|
"Non-nil means: when finished, Ediff widens buffers A/B.
|
|
Actually, Ediff restores the scope of visibility that existed at startup.")
|
|
|
|
(defcustom ediff-keep-variants t
|
|
"Nil means prompt to remove unmodified buffers A/B/C at session end.
|
|
Supplying a prefix argument to the quit command \\`q' temporarily
|
|
reverses the meaning of this variable."
|
|
:type 'boolean
|
|
:group 'ediff)
|
|
|
|
(defcustom ediff-highlight-all-diffs t
|
|
"If nil, only the selected differences are highlighted.
|
|
Otherwise, all difference regions are highlighted, but the selected region is
|
|
shown in brighter colors."
|
|
:type 'boolean
|
|
:group 'ediff-highlighting)
|
|
(make-variable-buffer-local 'ediff-highlight-all-diffs)
|
|
(put 'ediff-highlight-all-diffs 'permanent-local t)
|
|
|
|
|
|
(ediff-defvar-local ediff-control-buffer-suffix nil
|
|
"The suffix of the control buffer name.")
|
|
(ediff-defvar-local ediff-control-buffer-number nil
|
|
"Same as `ediff-control-buffer-suffix', but without \"<,>\".
|
|
It's a number rather than string.")
|
|
|
|
|
|
(ediff-defvar-local ediff-buffer-values-orig-A nil
|
|
"The original values of ediff-protected-variables for buffer A.")
|
|
(ediff-defvar-local ediff-buffer-values-orig-B nil
|
|
"The original values of ediff-protected-variables for buffer B.")
|
|
(ediff-defvar-local ediff-buffer-values-orig-C nil
|
|
"The original values of ediff-protected-variables for buffer C.")
|
|
(ediff-defvar-local ediff-buffer-values-orig-Ancestor nil
|
|
"The original values of ediff-protected-variables for buffer Ancestor.")
|
|
|
|
(defconst ediff-buffer-values-orig-alist
|
|
'((A . ediff-buffer-values-orig-A)
|
|
(B . ediff-buffer-values-orig-B)
|
|
(C . ediff-buffer-values-orig-C)
|
|
(Ancestor . ediff-buffer-values-orig-Ancestor))
|
|
"Association between buff-type and `ediff-buffer-values-orig-*'.")
|
|
|
|
;; Buffer-local variables to be saved then restored during Ediff sessions
|
|
(defconst ediff-protected-variables '(
|
|
;;buffer-read-only
|
|
mode-line-format))
|
|
|
|
;; [ status status status ...]
|
|
;; Each status: [state-of-merge state-of-ancestor]
|
|
;; state-of-merge is default-A, default-B, prefer-A, or prefer-B. It
|
|
;; indicates the way a diff region was created in buffer C.
|
|
;; state-of-ancestor says if the corresponding region in ancestor buffer is
|
|
;; empty.
|
|
(ediff-defvar-local ediff-state-of-merge nil)
|
|
|
|
(ediff-defvar-local ediff-current-difference -1
|
|
"The difference that is currently selected.")
|
|
(ediff-defvar-local ediff-number-of-differences nil
|
|
"Number of differences found.")
|
|
|
|
(ediff-defvar-local ediff-diff-buffer nil
|
|
"Buffer containing the output of diff, which is used to step through files.")
|
|
(ediff-defvar-local ediff-custom-diff-buffer nil
|
|
"Like `ediff-diff-buffer', but contains context diff.
|
|
It is not used by Ediff, but it is saved in a file, if user
|
|
requests so.")
|
|
(ediff-defvar-local ediff-fine-diff-buffer nil
|
|
"Buffer used for diff-style fine differences between regions.")
|
|
(defconst ediff-tmp-buffer " *ediff-tmp*"
|
|
"Temporary buffer used for computing fine differences.")
|
|
(defconst ediff-msg-buffer " *ediff-message*"
|
|
"Buffer used for messages.")
|
|
(ediff-defvar-local ediff-error-buffer nil
|
|
"Buffer containing the output of diff when diff returns errors.")
|
|
(ediff-defvar-local ediff-debug-buffer "*ediff-debug*"
|
|
"Buffer to display debug info.")
|
|
|
|
(ediff-defvar-local ediff-this-buffer-ediff-sessions nil
|
|
"List of ediff control panels associated with each buffer A/B/C/Ancestor.
|
|
Not used any more, but may be needed in the future.")
|
|
|
|
;; to be deleted in due time
|
|
;; List of difference overlays disturbed by working with the current diff.
|
|
(defvar ediff-disturbed-overlays nil)
|
|
|
|
(defcustom ediff-version-control-package 'vc
|
|
"Version control package used.
|
|
Currently, Ediff supports vc.el, rcs.el, pcl-cvs.el, and generic-sc.el. The
|
|
standard Emacs interface to RCS, CVS, SCCS, etc., is vc.el. However, some
|
|
people find the other two packages more convenient. Set this variable to the
|
|
appropriate symbol: `rcs', `pcl-cvs', or `generic-sc' if you so desire."
|
|
:type 'symbol
|
|
:group 'ediff)
|
|
|
|
(defcustom ediff-coding-system-for-read 'raw-text
|
|
"Coding system for read to use when running the diff program as a subprocess.
|
|
In most cases, the default will do. However, under certain circumstances in
|
|
MS-Windows you might need to use something like `raw-text-dos' here.
|
|
So, if the output that your diff program sends to Emacs contains extra ^M's,
|
|
you might need to experiment here, if the default or `raw-text-dos' doesn't
|
|
work."
|
|
:type 'symbol
|
|
:group 'ediff)
|
|
|
|
(defcustom ediff-coding-system-for-write 'emacs-internal
|
|
"Coding system for write to use when writing out difference regions.
|
|
This is used when writing to temp files in buffer jobs and when
|
|
Ediff needs to find fine differences."
|
|
:type 'symbol
|
|
:group 'ediff)
|
|
|
|
;; A var local to each control panel buffer. Indicates highlighting style
|
|
;; in effect for this buffer: `face', `ascii',
|
|
;; `off' -- turned off (on a dumb terminal only).
|
|
(ediff-defvar-local ediff-highlighting-style
|
|
(if (and (ediff-has-face-support-p) ediff-use-faces) 'face 'ascii))
|
|
|
|
|
|
(define-obsolete-function-alias 'ediff-display-pixel-width
|
|
#'display-pixel-width "27.1")
|
|
(define-obsolete-function-alias 'ediff-display-pixel-height
|
|
#'display-pixel-height "27.1")
|
|
|
|
;; A-list of current-diff-overlay symbols associated with buf types
|
|
(defconst ediff-current-diff-overlay-alist
|
|
'((A . ediff-current-diff-overlay-A)
|
|
(B . ediff-current-diff-overlay-B)
|
|
(C . ediff-current-diff-overlay-C)
|
|
(Ancestor . ediff-current-diff-overlay-Ancestor)))
|
|
|
|
;; A-list of current-diff-face-* symbols associated with buf types
|
|
(defconst ediff-current-diff-face-alist
|
|
'((A . ediff-current-diff-A)
|
|
(B . ediff-current-diff-B)
|
|
(C . ediff-current-diff-C)
|
|
(Ancestor . ediff-current-diff-Ancestor)))
|
|
|
|
|
|
(defun ediff-set-overlay-face (extent face)
|
|
(ediff-overlay-put extent 'face face)
|
|
(ediff-overlay-put extent 'help-echo (if face 'ediff-region-help-echo)))
|
|
|
|
(defun ediff-region-help-echo (extent-or-window &optional overlay _point)
|
|
(unless overlay
|
|
(setq overlay extent-or-window))
|
|
(let ((is-current (overlay-get overlay 'ediff))
|
|
(face (overlay-get overlay 'face))
|
|
(diff-num (overlay-get overlay 'ediff-diff-num))
|
|
face-help)
|
|
|
|
;; This happens only for refinement overlays
|
|
(if (stringp face)
|
|
(setq face (intern face)))
|
|
(setq face-help (and face (get face 'ediff-help-echo)))
|
|
|
|
(cond ((and is-current diff-num) ; current diff region
|
|
(format "Difference region %S -- current" (1+ diff-num)))
|
|
(face-help) ; refinement of current diff region
|
|
(diff-num ; non-current
|
|
(format "Difference region %S -- non-current" (1+ diff-num)))
|
|
(t "")) ; none
|
|
))
|
|
|
|
|
|
(defun ediff-set-face-pixmap (face pixmap)
|
|
"Set stipple pixmap of FACE to PIXMAP on a monochrome display."
|
|
(if (and (display-graphic-p) (not (display-color-p)))
|
|
(condition-case nil
|
|
(set-face-stipple face pixmap)
|
|
(error
|
|
(message "Pixmap not found for %S: %s" (face-name face) pixmap)
|
|
(sit-for 1)))))
|
|
|
|
|
|
(defface ediff-current-diff-A
|
|
'((((class color) (min-colors 88) (background light))
|
|
:background "#ffdddd" :extend t)
|
|
(((class color) (min-colors 88) (background dark))
|
|
:background "#553333" :extend t)
|
|
(((class color) (min-colors 16))
|
|
(:foreground "firebrick" :background "pale green" :extend t))
|
|
(((class color))
|
|
(:foreground "blue3" :background "yellow3" :extend t))
|
|
(t (:inverse-video t :extend t)))
|
|
"Face for highlighting the selected difference in buffer A."
|
|
:group 'ediff-highlighting)
|
|
;; An internal variable. Ediff takes the face from here. When unhighlighting,
|
|
;; this variable is set to nil, then again to the appropriate face.
|
|
(defvar ediff-current-diff-face-A 'ediff-current-diff-A
|
|
"Face for highlighting the selected difference in buffer A.
|
|
DO NOT CHANGE this variable. Instead, use the customization
|
|
widget to customize the actual face object `ediff-current-diff-A'
|
|
this variable represents.")
|
|
|
|
(defface ediff-current-diff-B
|
|
'((((class color) (min-colors 88) (background light))
|
|
:background "#ddffdd" :extend t)
|
|
(((class color) (min-colors 88) (background dark))
|
|
:background "#335533" :extend t)
|
|
(((class color) (min-colors 16))
|
|
(:foreground "DarkOrchid" :background "Yellow" :extend t))
|
|
(((class color))
|
|
(:foreground "magenta3" :background "yellow3"
|
|
:weight bold :extend t))
|
|
(t (:inverse-video t :extend t)))
|
|
"Face for highlighting the selected difference in buffer B."
|
|
:group 'ediff-highlighting)
|
|
;; An internal variable. Ediff takes the face from here. When unhighlighting,
|
|
;; this variable is set to nil, then again to the appropriate face.
|
|
(defvar ediff-current-diff-face-B 'ediff-current-diff-B
|
|
"Face for highlighting the selected difference in buffer B.
|
|
DO NOT CHANGE this variable. Instead, use the customization
|
|
widget to customize the actual face `ediff-current-diff-B'
|
|
this variable represents.")
|
|
|
|
(defface ediff-current-diff-C
|
|
'((((class color) (min-colors 88) (background light))
|
|
:background "#ffffaa" :extend t)
|
|
(((class color) (min-colors 88) (background dark))
|
|
:background "#888833" :extend t)
|
|
(((class color) (min-colors 16))
|
|
(:foreground "Navy" :background "Pink" :extend t))
|
|
(((class color))
|
|
(:foreground "cyan3" :background "yellow3" :weight bold :extend t))
|
|
(t (:inverse-video t :extend t)))
|
|
"Face for highlighting the selected difference in buffer C."
|
|
:group 'ediff-highlighting)
|
|
;; An internal variable. Ediff takes the face from here. When unhighlighting,
|
|
;; this variable is set to nil, then again to the appropriate face.
|
|
(defvar ediff-current-diff-face-C 'ediff-current-diff-C
|
|
"Face for highlighting the selected difference in buffer C.
|
|
DO NOT CHANGE this variable. Instead, use the customization
|
|
widget to customize the actual face object `ediff-current-diff-C'
|
|
this variable represents.")
|
|
|
|
(defface ediff-current-diff-Ancestor
|
|
'((((class color) (min-colors 88) (background light))
|
|
:background "#cfdeee" :extend t)
|
|
(((class color) (min-colors 88) (background dark))
|
|
:background "#004151" :extend t)
|
|
(((class color) (min-colors 16) (background light))
|
|
:background "#cfdeee" :extend t)
|
|
(((class color) (min-colors 16) (background dark))
|
|
:background "#004151" :extend t)
|
|
(((class color))
|
|
(:foreground "black" :background "magenta3" :extend t))
|
|
(t (:inverse-video t :extend t)))
|
|
"Face for highlighting the selected difference in buffer Ancestor."
|
|
:group 'ediff-highlighting)
|
|
;; An internal variable. Ediff takes the face from here. When unhighlighting,
|
|
;; this variable is set to nil, then again to the appropriate face.
|
|
(defvar ediff-current-diff-face-Ancestor 'ediff-current-diff-Ancestor
|
|
"Face for highlighting the selected difference in buffer Ancestor.
|
|
DO NOT CHANGE this variable. Instead, use the customization
|
|
widget to customize the actual face object `ediff-current-diff-Ancestor'
|
|
this variable represents.")
|
|
|
|
(defface ediff-fine-diff-A
|
|
'((((class color) (min-colors 88) (background light))
|
|
:background "#ffbbbb")
|
|
(((class color) (min-colors 88) (background dark))
|
|
:background "#aa2222")
|
|
(((class color) (min-colors 16))
|
|
(:foreground "Navy" :background "sky blue"))
|
|
(((class color))
|
|
(:foreground "white" :background "sky blue" :weight bold))
|
|
(t (:underline t :stipple "gray3")))
|
|
"Face for highlighting the refinement of the selected diff in buffer A."
|
|
:group 'ediff-highlighting)
|
|
;; An internal variable. Ediff takes the face from here. When unhighlighting,
|
|
;; this variable is set to nil, then again to the appropriate face.
|
|
(defvar ediff-fine-diff-face-A 'ediff-fine-diff-A
|
|
"Face for highlighting the fine differences in buffer A.
|
|
DO NOT CHANGE this variable. Instead, use the customization
|
|
widget to customize the actual face object `ediff-fine-diff-A'
|
|
this variable represents.")
|
|
|
|
(defface ediff-fine-diff-B
|
|
'((((class color) (min-colors 88) (background light))
|
|
:background "#aaffaa")
|
|
(((class color) (min-colors 88) (background dark))
|
|
:background "#22aa22")
|
|
(((class color) (min-colors 16))
|
|
(:foreground "Black" :background "cyan"))
|
|
(((class color))
|
|
(:foreground "magenta3" :background "cyan3"))
|
|
(t (:underline t :stipple "gray3")))
|
|
"Face for highlighting the refinement of the selected diff in buffer B."
|
|
:group 'ediff-highlighting)
|
|
;; An internal variable. Ediff takes the face from here. When unhighlighting,
|
|
;; this variable is set to nil, then again to the appropriate face.
|
|
(defvar ediff-fine-diff-face-B 'ediff-fine-diff-B
|
|
"Face for highlighting the fine differences in buffer B.
|
|
DO NOT CHANGE this variable. Instead, use the customization
|
|
widget to customize the actual face object `ediff-fine-diff-B'
|
|
this variable represents.")
|
|
|
|
(defface ediff-fine-diff-C
|
|
'((((class color) (min-colors 88) (background light))
|
|
:background "#ffff55")
|
|
(((class color) (min-colors 88) (background dark))
|
|
:background "#aaaa22")
|
|
(((type pc))
|
|
(:foreground "white" :background "Turquoise"))
|
|
(((class color) (min-colors 16))
|
|
(:foreground "Black" :background "Turquoise"))
|
|
(((class color))
|
|
(:foreground "yellow3" :background "Turquoise"
|
|
:weight bold))
|
|
(t (:underline t :stipple "gray3")))
|
|
"Face for highlighting the refinement of the selected diff in buffer C."
|
|
:group 'ediff-highlighting)
|
|
;; An internal variable. Ediff takes the face from here. When unhighlighting,
|
|
;; this variable is set to nil, then again to the appropriate face.
|
|
(defvar ediff-fine-diff-face-C 'ediff-fine-diff-C
|
|
"Face for highlighting the fine differences in buffer C.
|
|
DO NOT CHANGE this variable. Instead, use the customization
|
|
widget to customize the actual face object `ediff-fine-diff-C'
|
|
this variable represents.")
|
|
|
|
(defface ediff-fine-diff-Ancestor
|
|
'((((class color) (min-colors 88) (background light))
|
|
:background "#00c5c0")
|
|
(((class color) (min-colors 88) (background dark))
|
|
:background "#009591")
|
|
(((class color) (min-colors 16) (background light))
|
|
:background "#00c5c0")
|
|
(((class color) (min-colors 16) (background dark))
|
|
:background "#009591")
|
|
(((class color))
|
|
(:foreground "red3" :background "green"))
|
|
(t (:underline t :stipple "gray3")))
|
|
"Face for highlighting refinement of the selected diff in the ancestor buffer.
|
|
At present, this face is not used and no fine differences are
|
|
computed for the ancestor buffer."
|
|
:group 'ediff-highlighting)
|
|
;; An internal variable. Ediff takes the face from here. When unhighlighting,
|
|
;; this variable is set to nil, then again to the appropriate face.
|
|
(defvar ediff-fine-diff-face-Ancestor 'ediff-fine-diff-Ancestor
|
|
"Face for highlighting the fine differences in buffer Ancestor.
|
|
DO NOT CHANGE this variable. Instead, use the customization
|
|
widget to customize the actual face object `ediff-fine-diff-Ancestor'
|
|
this variable represents.")
|
|
|
|
;; Some installs don't have stipple or Stipple. So, try them in turn.
|
|
(defvar stipple-pixmap
|
|
(cond ((not (ediff-has-face-support-p)) nil)
|
|
((and (boundp 'x-bitmap-file-path)
|
|
(locate-library "stipple" t x-bitmap-file-path)) "stipple")
|
|
(t "Stipple")))
|
|
|
|
(defface ediff-even-diff-A
|
|
`((((type pc))
|
|
(:foreground "green3" :background "light grey" :extend t))
|
|
(((class color) (min-colors 88) (background light))
|
|
(:distant-foreground "Black" :background "light grey" :extend t))
|
|
(((class color) (min-colors 88) (background dark))
|
|
(:distant-foreground "White" :background "dark grey" :extend t))
|
|
(((class color) (min-colors 16))
|
|
(:foreground "Black" :background "light grey" :extend t))
|
|
(((class color))
|
|
(:foreground "red3" :background "light grey"
|
|
:weight bold :extend t))
|
|
(t (:italic t :stipple ,stipple-pixmap :extend t)))
|
|
"Face for highlighting even-numbered non-current differences in buffer A."
|
|
:group 'ediff-highlighting)
|
|
;; An internal variable. Ediff takes the face from here. When unhighlighting,
|
|
;; this variable is set to nil, then again to the appropriate face.
|
|
(defvar ediff-even-diff-face-A 'ediff-even-diff-A
|
|
"Face for highlighting even-numbered non-current differences in buffer A.
|
|
DO NOT CHANGE this variable. Instead, use the customization
|
|
widget to customize the actual face object `ediff-even-diff-A'
|
|
this variable represents.")
|
|
|
|
(defface ediff-even-diff-B
|
|
`((((class color) (min-colors 88) (background light))
|
|
(:distant-foreground "Black" :background "Grey" :extend t))
|
|
(((class color) (min-colors 88) (background dark))
|
|
(:distant-foreground "White" :background "dim grey" :extend t))
|
|
(((class color) (min-colors 16))
|
|
(:foreground "White" :background "Grey" :extend t))
|
|
(((class color))
|
|
(:foreground "blue3" :background "Grey" :weight bold :extend t))
|
|
(t (:italic t :stipple ,stipple-pixmap :extend t)))
|
|
"Face for highlighting even-numbered non-current differences in buffer B."
|
|
:group 'ediff-highlighting)
|
|
;; An internal variable. Ediff takes the face from here. When unhighlighting,
|
|
;; this variable is set to nil, then again to the appropriate face.
|
|
(defvar ediff-even-diff-face-B 'ediff-even-diff-B
|
|
"Face for highlighting even-numbered non-current differences in buffer B.
|
|
DO NOT CHANGE this variable. Instead, use the customization
|
|
widget to customize the actual face object `ediff-even-diff-B'
|
|
this variable represents.")
|
|
|
|
(defface ediff-even-diff-C
|
|
`((((type pc))
|
|
(:foreground "yellow3" :background "light grey" :extend t))
|
|
(((class color) (min-colors 88) (background light))
|
|
(:distant-foreground "Black" :background "light grey" :extend t))
|
|
(((class color) (min-colors 88) (background dark))
|
|
(:distant-foreground "White" :background "dark grey" :extend t))
|
|
(((class color) (min-colors 16))
|
|
(:foreground "Black" :background "light grey" :extend t))
|
|
(((class color))
|
|
(:foreground "yellow3" :background "light grey"
|
|
:weight bold :extend t))
|
|
(t (:italic t :stipple ,stipple-pixmap :extend t)))
|
|
"Face for highlighting even-numbered non-current differences in buffer C."
|
|
:group 'ediff-highlighting)
|
|
;; An internal variable. Ediff takes the face from here. When unhighlighting,
|
|
;; this variable is set to nil, then again to the appropriate face.
|
|
(defvar ediff-even-diff-face-C 'ediff-even-diff-C
|
|
"Face for highlighting even-numbered non-current differences in buffer C.
|
|
DO NOT CHANGE this variable. Instead, use the customization
|
|
widget to customize the actual face object `ediff-even-diff-C'
|
|
this variable represents.")
|
|
|
|
(defface ediff-even-diff-Ancestor
|
|
`((((type pc))
|
|
(:foreground "cyan3" :background "light grey" :extend t))
|
|
(((class color) (min-colors 88) (background light))
|
|
(:distant-foreground "Black" :background "Grey" :extend t))
|
|
(((class color) (min-colors 88) (background dark))
|
|
(:distant-foreground "White" :background "dim grey" :extend t))
|
|
(((class color) (min-colors 16))
|
|
(:foreground "White" :background "Grey" :extend t))
|
|
(((class color))
|
|
(:foreground "cyan3" :background "light grey"
|
|
:weight bold :extend t))
|
|
(t (:italic t :stipple ,stipple-pixmap :extend t)))
|
|
"Face for highlighting even-numbered non-current differences in ancestor buffer."
|
|
:group 'ediff-highlighting)
|
|
;; An internal variable. Ediff takes the face from here. When unhighlighting,
|
|
;; this variable is set to nil, then again to the appropriate face.
|
|
(defvar ediff-even-diff-face-Ancestor 'ediff-even-diff-Ancestor
|
|
"Face for highlighting even-numbered non-current differences in buffer Ancestor.
|
|
DO NOT CHANGE this variable. Instead, use the customization
|
|
widget to customize the actual face object `ediff-even-diff-Ancestor'
|
|
this variable represents.")
|
|
|
|
;; Association between buffer types and even-diff-face symbols
|
|
(defconst ediff-even-diff-face-alist
|
|
'((A . ediff-even-diff-A)
|
|
(B . ediff-even-diff-B)
|
|
(C . ediff-even-diff-C)
|
|
(Ancestor . ediff-even-diff-Ancestor)))
|
|
|
|
(defface ediff-odd-diff-A
|
|
'((((type pc))
|
|
(:foreground "green3" :background "gray40" :extend t))
|
|
(((class color) (min-colors 88) (background light))
|
|
(:distant-foreground "Black" :background "Grey" :extend t))
|
|
(((class color) (min-colors 88) (background dark))
|
|
(:distant-foreground "White" :background "dim grey" :extend t))
|
|
(((class color) (min-colors 16))
|
|
(:foreground "White" :background "Grey" :extend t))
|
|
(((class color))
|
|
(:foreground "red3" :background "black" :weight bold :extend t))
|
|
(t (:italic t :stipple "gray1" :extend t)))
|
|
"Face for highlighting odd-numbered non-current differences in buffer A."
|
|
:group 'ediff-highlighting)
|
|
;; An internal variable. Ediff takes the face from here. When unhighlighting,
|
|
;; this variable is set to nil, then again to the appropriate face.
|
|
(defvar ediff-odd-diff-face-A 'ediff-odd-diff-A
|
|
"Face for highlighting odd-numbered non-current differences in buffer A.
|
|
DO NOT CHANGE this variable. Instead, use the customization
|
|
widget to customize the actual face object `ediff-odd-diff-A'
|
|
this variable represents.")
|
|
|
|
(defface ediff-odd-diff-B
|
|
'((((type pc))
|
|
(:foreground "White" :background "gray40" :extend t))
|
|
(((class color) (min-colors 88) (background light))
|
|
(:distant-foreground "Black" :background "light grey" :extend t))
|
|
(((class color) (min-colors 88) (background dark))
|
|
(:distant-foreground "White" :background "dark grey" :extend t))
|
|
(((class color) (min-colors 16))
|
|
(:foreground "Black" :background "light grey" :extend t))
|
|
(((class color))
|
|
(:foreground "cyan3" :background "black" :weight bold :extend t))
|
|
(t (:italic t :stipple "gray1" :extend t)))
|
|
"Face for highlighting odd-numbered non-current differences in buffer B."
|
|
:group 'ediff-highlighting)
|
|
;; An internal variable. Ediff takes the face from here. When unhighlighting,
|
|
;; this variable is set to nil, then again to the appropriate face.
|
|
(defvar ediff-odd-diff-face-B 'ediff-odd-diff-B
|
|
"Face for highlighting odd-numbered non-current differences in buffer B.
|
|
DO NOT CHANGE this variable. Instead, use the customization
|
|
widget to customize the actual face object `ediff-odd-diff-B'
|
|
this variable represents.")
|
|
|
|
(defface ediff-odd-diff-C
|
|
'((((type pc))
|
|
(:foreground "yellow3" :background "gray40" :extend t))
|
|
(((class color) (min-colors 88) (background light))
|
|
(:distant-foreground "Black" :background "Grey" :extend t))
|
|
(((class color) (min-colors 88) (background dark))
|
|
(:distant-foreground "White" :background "dim grey" :extend t))
|
|
(((class color) (min-colors 16))
|
|
(:foreground "White" :background "Grey" :extend t))
|
|
(((class color))
|
|
(:foreground "yellow3" :background "black" :weight bold :extend t))
|
|
(t (:italic t :stipple "gray1" :extend t)))
|
|
"Face for highlighting odd-numbered non-current differences in buffer C."
|
|
:group 'ediff-highlighting)
|
|
;; An internal variable. Ediff takes the face from here. When unhighlighting,
|
|
;; this variable is set to nil, then again to the appropriate face.
|
|
(defvar ediff-odd-diff-face-C 'ediff-odd-diff-C
|
|
"Face for highlighting odd-numbered non-current differences in buffer C.
|
|
DO NOT CHANGE this variable. Instead, use the customization
|
|
widget to customize the actual face object `ediff-odd-diff-C'
|
|
this variable represents.")
|
|
|
|
(defface ediff-odd-diff-Ancestor
|
|
'((((class color) (min-colors 88))
|
|
(:background "gray40" :extend t))
|
|
(((class color) (min-colors 16))
|
|
(:foreground "cyan3" :background "gray40" :extend t))
|
|
(((class color))
|
|
(:foreground "green3" :background "black" :weight bold :extend t))
|
|
(t (:italic t :stipple "gray1" :extend t)))
|
|
"Face for highlighting odd-numbered non-current differences in ancestor buffer."
|
|
:group 'ediff-highlighting)
|
|
;; An internal variable. Ediff takes the face from here. When unhighlighting,
|
|
;; this variable is set to nil, then again to the appropriate face.
|
|
(defvar ediff-odd-diff-face-Ancestor 'ediff-odd-diff-Ancestor
|
|
"Face for highlighting odd-numbered non-current differences in buffer Ancestor.
|
|
DO NOT CHANGE this variable. Instead, use the customization
|
|
widget to customize the actual face object `ediff-odd-diff-Ancestor'
|
|
this variable represents.")
|
|
|
|
;; Association between buffer types and odd-diff-face symbols
|
|
(defconst ediff-odd-diff-face-alist
|
|
'((A . ediff-odd-diff-A)
|
|
(B . ediff-odd-diff-B)
|
|
(C . ediff-odd-diff-C)
|
|
(Ancestor . ediff-odd-diff-Ancestor)))
|
|
|
|
;; A-list of fine-diff face symbols associated with buffer types
|
|
(defconst ediff-fine-diff-face-alist
|
|
'((A . ediff-fine-diff-A)
|
|
(B . ediff-fine-diff-B)
|
|
(C . ediff-fine-diff-C)
|
|
(Ancestor . ediff-fine-diff-Ancestor)))
|
|
|
|
;; Help echo
|
|
(put ediff-fine-diff-face-A 'ediff-help-echo
|
|
"A `refinement' of the current difference region")
|
|
(put ediff-fine-diff-face-B 'ediff-help-echo
|
|
"A `refinement' of the current difference region")
|
|
(put ediff-fine-diff-face-C 'ediff-help-echo
|
|
"A `refinement' of the current difference region")
|
|
(put ediff-fine-diff-face-Ancestor 'ediff-help-echo
|
|
"A `refinement' of the current difference region")
|
|
|
|
(add-hook 'ediff-quit-hook #'ediff-cleanup-mess)
|
|
(add-hook 'ediff-suspend-hook #'ediff-default-suspend-function)
|
|
|
|
|
|
;;; Overlays
|
|
|
|
(ediff-defvar-local ediff-current-diff-overlay-A nil
|
|
"Overlay for the current difference region in buffer A.")
|
|
(ediff-defvar-local ediff-current-diff-overlay-B nil
|
|
"Overlay for the current difference region in buffer B.")
|
|
(ediff-defvar-local ediff-current-diff-overlay-C nil
|
|
"Overlay for the current difference region in buffer C.")
|
|
(ediff-defvar-local ediff-current-diff-overlay-Ancestor nil
|
|
"Overlay for the current difference region in the ancestor buffer.")
|
|
|
|
(defvar ediff-toggle-read-only-function 'read-only-mode
|
|
"Function to be used to toggle read-only status of the buffer.
|
|
If nil, Ediff tries using the command bound to C-x C-q.")
|
|
|
|
(defcustom ediff-make-buffers-readonly-at-startup nil
|
|
"Make all variant buffers read-only when Ediff starts up.
|
|
This property can be toggled interactively."
|
|
:type 'boolean
|
|
:group 'ediff)
|
|
|
|
|
|
;;; Misc
|
|
|
|
;; if nil, this silences some messages
|
|
(defvar ediff-verbose-p t)
|
|
|
|
(defcustom ediff-show-ancestor t
|
|
"If non-nil, show ancestor buffer in 3way merges and refine it."
|
|
:type 'boolean
|
|
:group 'ediff-merge
|
|
:version "26.1")
|
|
|
|
;; Store orig value of `ediff-show-ancestor' when changed in
|
|
;; `ediff-toggle-show-ancestor' and restore it on exit.
|
|
(ediff-defvar-local ediff--show-ancestor-orig nil)
|
|
|
|
(defcustom ediff-autostore-merges 'group-jobs-only
|
|
"Save the results of merge jobs automatically.
|
|
With value nil, don't save automatically. With value t, always
|
|
save. Anything else means save automatically only if the merge
|
|
job is part of a group of jobs, such as `ediff-merge-directory'
|
|
or `ediff-merge-directory-revisions'."
|
|
:type '(choice (const nil) (const t) (const group-jobs-only))
|
|
:group 'ediff-merge)
|
|
(make-variable-buffer-local 'ediff-autostore-merges)
|
|
|
|
(ediff-defvar-local ediff-merge-store-file nil
|
|
"File where the result of the merge is to be saved. Internal.")
|
|
|
|
(defcustom ediff-merge-filename-prefix "merge_"
|
|
"Prefix to be attached to saved merge buffers."
|
|
:type 'string
|
|
:group 'ediff-merge)
|
|
|
|
(defcustom ediff-no-emacs-help-in-control-buffer nil
|
|
"Non-nil means C-h should not invoke Emacs help in control buffer.
|
|
Instead, C-h would jump to previous difference."
|
|
:type 'boolean
|
|
:group 'ediff)
|
|
|
|
(define-obsolete-variable-alias 'ediff-temp-file-prefix
|
|
'temporary-file-directory "28.1")
|
|
|
|
(defcustom ediff-temp-file-mode 384 ; u=rw only
|
|
"Mode for Ediff temporary files."
|
|
:type 'integer
|
|
:group 'ediff)
|
|
|
|
;; Metacharacters that have to be protected from the shell when executing
|
|
;; a diff/diff3 command.
|
|
(defcustom ediff-metachars "[ \t\n!\"#$&'()*;<=>?[\\^`{|~]"
|
|
"Regexp matching characters that must be quoted with `\\' in shell command line.
|
|
This default should work without changes."
|
|
:type 'regexp
|
|
:group 'ediff)
|
|
|
|
(defvar ediff-H-glyph nil)
|
|
(make-obsolete-variable 'ediff-H-glyph nil "28.1")
|
|
|
|
|
|
(ediff-defvar-local ediff-temp-file-A nil
|
|
"Temporary file used for refining difference regions in buffer A.")
|
|
(ediff-defvar-local ediff-temp-file-B nil
|
|
"Temporary file used for refining difference regions in buffer B.")
|
|
(ediff-defvar-local ediff-temp-file-C nil
|
|
"Temporary file used for refining difference regions in buffer C.")
|
|
|
|
|
|
;; File for which we can get attributes, such as size or date
|
|
(defun ediff-listable-file (file-name)
|
|
(let ((handler (find-file-name-handler file-name 'file-local-copy)))
|
|
(or (null handler) (eq handler 'dired-handler-fn))))
|
|
|
|
|
|
(defsubst ediff-frame-unsplittable-p (frame)
|
|
(declare (obsolete nil "29.1"))
|
|
(cdr (assq 'unsplittable (frame-parameters frame))))
|
|
|
|
(defsubst ediff-get-next-window (wind prev-wind)
|
|
(cond ((window-live-p wind) wind)
|
|
(prev-wind (next-window wind))
|
|
(t (selected-window))
|
|
))
|
|
|
|
|
|
(defsubst ediff-kill-buffer-carefully (buf)
|
|
"Kill buffer BUF if it exists."
|
|
(if (ediff-buffer-live-p buf)
|
|
(kill-buffer (get-buffer buf))))
|
|
|
|
(defsubst ediff-background-face (buf-type dif-num)
|
|
;; The value of dif-num is always 1- the one that user sees.
|
|
;; This is why even face is used when dif-num is odd.
|
|
(ediff-get-symbol-from-alist
|
|
buf-type (if (cl-oddp dif-num)
|
|
ediff-even-diff-face-alist
|
|
ediff-odd-diff-face-alist)
|
|
))
|
|
|
|
|
|
;; activate faces on diff regions in buffer
|
|
(defun ediff-paint-background-regions-in-one-buffer (buf-type unhighlight)
|
|
(let ((diff-vector
|
|
(eval (ediff-get-symbol-from-alist
|
|
buf-type ediff-difference-vector-alist)
|
|
t))
|
|
overl diff-num)
|
|
(mapcar (lambda (rec)
|
|
(setq overl (ediff-get-diff-overlay-from-diff-record rec)
|
|
diff-num (overlay-get overl 'ediff-diff-num))
|
|
(if (overlay-buffer overl)
|
|
;; only if overlay is alive
|
|
(ediff-set-overlay-face
|
|
overl
|
|
(if (not unhighlight)
|
|
(ediff-background-face buf-type diff-num))))
|
|
)
|
|
diff-vector)))
|
|
|
|
|
|
;; activate faces on diff regions in all buffers
|
|
(defun ediff-paint-background-regions (&optional unhighlight)
|
|
(ediff-paint-background-regions-in-one-buffer
|
|
'A unhighlight)
|
|
(ediff-paint-background-regions-in-one-buffer
|
|
'B unhighlight)
|
|
(ediff-paint-background-regions-in-one-buffer
|
|
'C unhighlight)
|
|
(ediff-paint-background-regions-in-one-buffer
|
|
'Ancestor unhighlight))
|
|
|
|
|
|
;; arg is a record for a given diff in a difference vector
|
|
;; this record is itself a vector
|
|
(defsubst ediff-clear-fine-diff-vector (diff-record)
|
|
(if diff-record
|
|
(mapc #'delete-overlay
|
|
(ediff-get-fine-diff-vector-from-diff-record diff-record))))
|
|
|
|
(defsubst ediff-clear-fine-differences-in-one-buffer (n buf-type)
|
|
(ediff-clear-fine-diff-vector (ediff-get-difference n buf-type))
|
|
(ediff-set-fine-diff-vector n buf-type nil))
|
|
|
|
(defsubst ediff-clear-fine-differences (n)
|
|
(ediff-clear-fine-differences-in-one-buffer n 'A)
|
|
(ediff-clear-fine-differences-in-one-buffer n 'B)
|
|
(if ediff-3way-job
|
|
(ediff-clear-fine-differences-in-one-buffer n 'C)))
|
|
|
|
|
|
(defsubst ediff-key-press-event-p (event)
|
|
(or (char-or-string-p event) (symbolp event)))
|
|
|
|
(defun ediff-event-point (event)
|
|
(cond ((mouse-event-p event)
|
|
(posn-point (event-start event)))
|
|
((ediff-key-press-event-p event)
|
|
(point))
|
|
(t (error "Error"))))
|
|
|
|
(defun ediff-event-buffer (event)
|
|
(cond ((mouse-event-p event)
|
|
(window-buffer (posn-window (event-start event))))
|
|
((ediff-key-press-event-p event)
|
|
(current-buffer))
|
|
(t (error "Error"))))
|
|
|
|
(defun ediff-last-command-char ()
|
|
(declare (obsolete last-command-event "27.1"))
|
|
last-command-event)
|
|
|
|
|
|
(defsubst ediff-frame-iconified-p (frame)
|
|
(and (display-graphic-p)
|
|
(frame-live-p frame)
|
|
(eq (frame-visible-p frame) 'icon)))
|
|
|
|
(defsubst ediff-window-visible-p (wind)
|
|
(and (window-live-p wind)
|
|
(frame-visible-p (window-frame wind))))
|
|
|
|
(defun ediff-reset-mouse (&optional frame do-not-grab-mouse)
|
|
(or frame (setq frame (selected-frame)))
|
|
(if (display-graphic-p)
|
|
(let ((frame-or-wind frame))
|
|
(or do-not-grab-mouse
|
|
;; don't set mouse if the user said to never do this
|
|
(not ediff-grab-mouse)
|
|
;; Don't grab on quit, if the user doesn't want to.
|
|
;; If ediff-grab-mouse = t, then mouse won't be grabbed for
|
|
;; sessions that are not part of a group (this is done in
|
|
;; ediff-recenter). The condition below affects only terminating
|
|
;; sessions in session groups (in which case mouse is warped into
|
|
;; a meta buffer).
|
|
(and (eq ediff-grab-mouse 'maybe)
|
|
(memq this-command '(ediff-quit ediff-update-diffs)))
|
|
(set-mouse-position frame-or-wind 1 0))
|
|
)))
|
|
|
|
(defsubst ediff-spy-after-mouse ()
|
|
(declare (obsolete nil "29.1"))
|
|
(with-suppressed-warnings ((obsolete ediff-mouse-pixel-position))
|
|
(setq ediff-mouse-pixel-position (mouse-pixel-position))))
|
|
|
|
(defun ediff-user-grabbed-mouse ()
|
|
(declare (obsolete nil "29.1"))
|
|
(with-suppressed-warnings ((obsolete ediff-mouse-pixel-position))
|
|
(if ediff-mouse-pixel-position
|
|
(cond ((not (eq (car ediff-mouse-pixel-position)
|
|
(car (mouse-pixel-position)))))
|
|
((and (car (cdr ediff-mouse-pixel-position))
|
|
(car (cdr (mouse-pixel-position)))
|
|
(cdr (cdr ediff-mouse-pixel-position))
|
|
(cdr (cdr (mouse-pixel-position))))
|
|
(not (and (< (abs (- (car (cdr ediff-mouse-pixel-position))
|
|
(car (cdr (mouse-pixel-position)))))
|
|
ediff-mouse-pixel-threshold)
|
|
(< (abs (- (cdr (cdr ediff-mouse-pixel-position))
|
|
(cdr (cdr (mouse-pixel-position)))))
|
|
ediff-mouse-pixel-threshold))))
|
|
(t nil)))))
|
|
|
|
|
|
;; Some overlay functions
|
|
|
|
(defsubst ediff-overlay-start (overl)
|
|
(if (overlayp overl)
|
|
(overlay-start overl)))
|
|
|
|
(defsubst ediff-overlay-end (overl)
|
|
(if (overlayp overl)
|
|
(overlay-end overl)))
|
|
|
|
(defsubst ediff-empty-overlay-p (overl)
|
|
(= (ediff-overlay-start overl) (ediff-overlay-end overl)))
|
|
|
|
(defun ediff-move-overlay (overlay beg end &optional buffer)
|
|
"If OVERLAY's buffer exists, call `move-overlay'."
|
|
(let ((buf (and overlay (overlay-buffer overlay))))
|
|
(if (ediff-buffer-live-p buf)
|
|
(move-overlay overlay beg end buffer)
|
|
;; buffer's dead
|
|
(if overlay
|
|
(delete-overlay overlay)))))
|
|
|
|
(defun ediff-overlay-put (overlay prop value)
|
|
"Call `overlay-put', but check if OVERLAY's buffer exists."
|
|
(if (ediff-buffer-live-p (overlay-buffer overlay))
|
|
(overlay-put overlay prop value)
|
|
(delete-overlay overlay)))
|
|
|
|
;; temporarily uses DIR to abbreviate file name
|
|
;; if DIR is nil, use default-directory
|
|
(defun ediff-abbreviate-file-name (file &optional dir)
|
|
(cond ((stringp dir)
|
|
(let ((directory-abbrev-alist (list (cons dir ""))))
|
|
(abbreviate-file-name file)))
|
|
(t
|
|
(abbreviate-file-name file))))
|
|
|
|
;; Takes a directory and returns the parent directory.
|
|
;; does nothing to `/'. If the ARG is a regular file,
|
|
;; strip the file AND the last dir.
|
|
(defun ediff-strip-last-dir (dir)
|
|
(if (not (stringp dir)) (setq dir default-directory))
|
|
(setq dir (expand-file-name dir))
|
|
(or (file-directory-p dir) (setq dir (file-name-directory dir)))
|
|
(let* ((pos (1- (length dir)))
|
|
(last-char (aref dir pos)))
|
|
(if (and (> pos 0) (= last-char ?/))
|
|
(setq dir (substring dir 0 pos)))
|
|
(ediff-abbreviate-file-name (file-name-directory dir))))
|
|
|
|
(defsubst ediff-nonempty-string-p (string)
|
|
(and (stringp string) (string-empty-p string)))
|
|
|
|
(defun ediff-abbrev-jobname (jobname)
|
|
(cond ((eq jobname 'ediff-directories)
|
|
"Compare two directories")
|
|
((eq jobname 'ediff-files)
|
|
"Compare two files")
|
|
((eq jobname 'ediff-buffers)
|
|
"Compare two buffers")
|
|
((eq jobname 'ediff-directories3)
|
|
"Compare three directories")
|
|
((eq jobname 'ediff-files3)
|
|
"Compare three files")
|
|
((eq jobname 'ediff-buffers3)
|
|
"Compare three buffers")
|
|
((eq jobname 'ediff-revision)
|
|
"Compare file with a version")
|
|
((eq jobname 'ediff-directory-revisions)
|
|
"Compare dir files with versions")
|
|
((eq jobname 'ediff-merge-directory-revisions)
|
|
"Merge dir files with versions")
|
|
((eq jobname 'ediff-merge-directory-revisions-with-ancestor)
|
|
"Merge dir versions via ancestors")
|
|
(t
|
|
(capitalize
|
|
(subst-char-in-string ?- ?\s (substring (symbol-name jobname) 6))))
|
|
))
|
|
|
|
|
|
;; If ediff modified mode line, strip the modification
|
|
(defsubst ediff-strip-mode-line-format ()
|
|
(and (consp mode-line-format)
|
|
(member (car mode-line-format)
|
|
'(" A: " " B: " " C: " " Ancestor: "))
|
|
(setq mode-line-format (nth 2 mode-line-format))))
|
|
|
|
;; Verify that we have a difference selected.
|
|
(defsubst ediff-valid-difference-p (&optional n)
|
|
(or n (setq n ediff-current-difference))
|
|
(and (>= n 0) (< n ediff-number-of-differences)))
|
|
|
|
(defsubst ediff-show-all-diffs (_n)
|
|
"Don't skip difference regions."
|
|
nil)
|
|
|
|
(defsubst ediff-message-if-verbose (string &rest args)
|
|
(if ediff-verbose-p
|
|
(apply #'message string args)))
|
|
|
|
(defun ediff-file-attributes (filename attr-number)
|
|
(if (ediff-listable-file filename)
|
|
(nth attr-number (file-attributes filename))
|
|
-1)
|
|
)
|
|
|
|
(defsubst ediff-file-size (filename)
|
|
(ediff-file-attributes filename 7))
|
|
(defsubst ediff-file-modtime (filename)
|
|
(ediff-file-attributes filename 5))
|
|
|
|
|
|
(define-obsolete-function-alias 'ediff-has-gutter-support-p #'ignore "27.1")
|
|
(define-obsolete-function-alias 'ediff-event-key #'identity "27.1")
|
|
(define-obsolete-function-alias 'ediff-frame-char-width #'frame-char-width "27.1")
|
|
(define-obsolete-function-alias 'ediff-frame-char-height #'frame-char-height "27.1")
|
|
(define-obsolete-function-alias 'ediff-overlay-buffer #'overlay-buffer "27.1")
|
|
(define-obsolete-function-alias 'ediff-overlay-get #'overlay-get "27.1")
|
|
(define-obsolete-function-alias 'ediff-read-event #'read-event "27.1")
|
|
(define-obsolete-function-alias 'ediff-overlayp #'overlayp "27.1")
|
|
(define-obsolete-function-alias 'ediff-make-overlay #'make-overlay "27.1")
|
|
(define-obsolete-function-alias 'ediff-delete-overlay #'delete-overlay "27.1")
|
|
(define-obsolete-function-alias 'ediff-color-display-p #'display-color-p "27.1")
|
|
(define-obsolete-function-alias 'ediff-with-syntax-table #'with-syntax-table "27.1")
|
|
(define-obsolete-function-alias 'ediff-convert-standard-filename #'convert-standard-filename "28.1")
|
|
(define-obsolete-function-alias 'ediff-hide-face #'ignore "28.1")
|
|
(define-obsolete-function-alias 'ediff-file-remote-p #'file-remote-p "29.1")
|
|
(define-obsolete-function-alias 'ediff-window-display-p #'display-graphic-p "29.1")
|
|
(define-obsolete-function-alias 'ediff-mouse-event-p #'mouse-event-p "29.1")
|
|
|
|
(provide 'ediff-init)
|
|
;;; ediff-init.el ends here
|