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653 lines
21 KiB
EmacsLisp
653 lines
21 KiB
EmacsLisp
;;; edmacro.el --- keyboard macro editor
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;; Copyright (C) 1990 Free Software Foundation, Inc.
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;; Author: Dave Gillespie <daveg@csvax.caltech.edu>
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;; Maintainer: FSF
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;; Version: 1.02
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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 2, or (at your option)
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;; 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; see the file COPYING. If not, write to
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;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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;;; Commentary:
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;; To use, type `M-x edit-last-kbd-macro' to edit the most recently
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;; defined keyboard macro. If you have used `M-x name-last-kbd-macro'
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;; to give a keyboard macro a name, type `M-x edit-kbd-macro' to edit
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;; the macro by name. When you are done editing, type `C-c C-c' to
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;; record your changes back into the original keyboard macro.
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;;; Code:
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;;; The user-level commands for editing macros.
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;;;###autoload
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(defun edit-last-kbd-macro (&optional prefix buffer hook)
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"Edit the most recently defined keyboard macro."
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(interactive "P")
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(edmacro-edit-macro last-kbd-macro
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(function (lambda (x arg) (setq last-kbd-macro x)))
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prefix buffer hook))
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;;;###autoload
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(defun edit-kbd-macro (cmd &optional prefix buffer hook in-hook out-hook)
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"Edit a keyboard macro which has been given a name by `name-last-kbd-macro'.
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\(See also `edit-last-kbd-macro'.)"
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(interactive "CCommand name: \nP")
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(and cmd
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(edmacro-edit-macro (if in-hook
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(funcall in-hook cmd)
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(symbol-function cmd))
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(or out-hook
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(list 'lambda '(x arg)
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(list 'fset
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(list 'quote cmd)
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'x)))
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prefix buffer hook cmd)))
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;;;###autoload
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(defun read-kbd-macro (start end)
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"Read the region as a keyboard macro definition.
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The region is interpreted as spelled-out keystrokes, e.g., \"M-x abc RET\".
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The resulting macro is installed as the \"current\" keyboard macro.
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Symbols: RET, SPC, TAB, DEL, LFD, NUL; C-key; M-key. (Must be uppercase.)
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REM marks the rest of a line as a comment.
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Whitespace is ignored; other characters are copied into the macro."
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(interactive "r")
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(setq last-kbd-macro (edmacro-parse-keys (buffer-substring start end)))
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(if (and (string-match "\\`\C-x(" last-kbd-macro)
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(string-match "\C-x)\\'" last-kbd-macro))
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(setq last-kbd-macro (substring last-kbd-macro 2 -2))))
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;;; Formatting a keyboard macro as human-readable text.
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(defun edmacro-print-macro (macro-str local-map)
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(let ((save-map (current-local-map))
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(print-escape-newlines t)
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key-symbol key-str key-last prefix-arg this-prefix)
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(unwind-protect
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(progn
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(use-local-map local-map)
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(while (edmacro-peek-char)
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(edmacro-read-key)
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(setq this-prefix prefix-arg)
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(or (memq key-symbol '(digit-argument
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negative-argument
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universal-argument))
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(null prefix-arg)
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(progn
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(cond ((consp prefix-arg)
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(insert (format "prefix-arg (%d)\n"
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(car prefix-arg))))
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((eq prefix-arg '-)
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(insert "prefix-arg -\n"))
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((numberp prefix-arg)
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(insert (format "prefix-arg %d\n" prefix-arg))))
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(setq prefix-arg nil)))
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(cond ((null key-symbol)
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(insert "type \"")
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(edmacro-insert-string macro-str)
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(insert "\"\n")
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(setq macro-str ""))
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((eq key-symbol 'digit-argument)
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(edmacro-prefix-arg key-last nil prefix-arg))
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((eq key-symbol 'negative-argument)
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(edmacro-prefix-arg ?- nil prefix-arg))
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((eq key-symbol 'universal-argument)
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(let* ((c-u 4) (argstartchar key-last)
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(char (edmacro-read-char)))
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(while (= char argstartchar)
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(setq c-u (* 4 c-u)
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char (edmacro-read-char)))
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(edmacro-prefix-arg char c-u nil)))
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((eq key-symbol 'self-insert-command)
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(insert "insert ")
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(if (and (>= key-last 32) (<= key-last 126))
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(let ((str ""))
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(while (or (and (eq key-symbol
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'self-insert-command)
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(< (length str) 60)
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(>= key-last 32)
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(<= key-last 126))
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(and (memq key-symbol
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'(backward-delete-char
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delete-backward-char
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backward-delete-char-untabify))
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(> (length str) 0)))
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(if (eq key-symbol 'self-insert-command)
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(setq str (concat str
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(char-to-string key-last)))
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(setq str (substring str 0 -1)))
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(edmacro-read-key))
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(insert "\"" str "\"\n")
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(edmacro-unread-chars key-str))
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(insert "\"")
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(edmacro-insert-string (char-to-string key-last))
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(insert "\"\n")))
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((and (eq key-symbol 'quoted-insert)
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(edmacro-peek-char))
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(insert "quoted-insert\n")
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(let ((ch (edmacro-read-char))
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ch2)
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(if (and (>= ch ?0) (<= ch ?7))
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(progn
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(setq ch (- ch ?0)
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ch2 (edmacro-read-char))
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(if ch2
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(if (and (>= ch2 ?0) (<= ch2 ?7))
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(progn
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(setq ch (+ (* ch 8) (- ch2 ?0))
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ch2 (edmacro-read-char))
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(if ch2
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(if (and (>= ch2 ?0) (<= ch2 ?7))
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(setq ch (+ (* ch 8) (- ch2 ?0)))
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(edmacro-unread-chars ch2))))
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(edmacro-unread-chars ch2)))))
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(if (or (and (>= ch ?0) (<= ch ?7))
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(< ch 32) (> ch 126))
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(insert (format "type \"\\%03o\"\n" ch))
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(insert "type \"" (char-to-string ch) "\"\n"))))
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((memq key-symbol '(isearch-forward
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isearch-backward
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isearch-forward-regexp
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isearch-backward-regexp))
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(insert (symbol-name key-symbol) "\n")
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(edmacro-isearch-argument))
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((eq key-symbol 'execute-extended-command)
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(edmacro-read-argument obarray 'commandp))
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(t
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(let ((cust (get key-symbol 'edmacro-print)))
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(if cust
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(funcall cust)
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(insert (symbol-name key-symbol))
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(indent-to 30)
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(insert " # ")
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(edmacro-insert-string key-str)
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(insert "\n")
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(let ((int (edmacro-get-interactive key-symbol)))
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(if (string-match "\\`\\*" int)
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(setq int (substring int 1)))
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(while (> (length int) 0)
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(cond ((= (aref int 0) ?a)
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(edmacro-read-argument
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obarray nil))
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((memq (aref int 0) '(?b ?B ?D ?f ?F ?n
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?s ?S ?x ?X))
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(edmacro-read-argument))
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((and (= (aref int 0) ?c)
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(edmacro-peek-char))
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(insert "type \"")
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(edmacro-insert-string
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(char-to-string
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(edmacro-read-char)))
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(insert "\"\n"))
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((= (aref int 0) ?C)
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(edmacro-read-argument
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obarray 'commandp))
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((= (aref int 0) ?k)
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(edmacro-read-key)
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(if key-symbol
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(progn
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(insert "type \"")
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(edmacro-insert-string key-str)
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(insert "\"\n"))
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(edmacro-unread-chars key-str)))
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((= (aref int 0) ?N)
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(or this-prefix
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(edmacro-read-argument)))
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((= (aref int 0) ?v)
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(edmacro-read-argument
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obarray 'user-variable-p)))
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(let ((nl (string-match "\n" int)))
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(setq int (if nl
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(substring int (1+ nl))
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"")))))))))))
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(use-local-map save-map))))
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(defun edmacro-prefix-arg (char c-u value)
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(let ((sign 1))
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(if (and (numberp value) (< value 0))
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(setq sign -1 value (- value)))
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(if (eq value '-)
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(setq sign -1 value nil))
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(while (and char (= ?- char))
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(setq sign (- sign) c-u nil)
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(setq char (edmacro-read-char)))
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(while (and char (>= char ?0) (<= char ?9))
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(setq value (+ (* (if (numberp value) value 0) 10) (- char ?0)) c-u nil)
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(setq char (edmacro-read-char)))
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(setq prefix-arg
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(cond (c-u (list c-u))
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((numberp value) (* value sign))
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((= sign -1) '-)))
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(edmacro-unread-chars char)))
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(defun edmacro-insert-string (str)
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(let ((i 0) j ch)
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(while (< i (length str))
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(if (and (> (setq ch (aref str i)) 127)
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(< ch 160))
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(progn
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(setq ch (- ch 128))
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(insert "\\M-")))
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(if (< ch 32)
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(cond ((= ch 8) (insret "\\b"))
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((= ch 9) (insert "\\t"))
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((= ch 10) (insert "\\n"))
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((= ch 13) (insert "\\r"))
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((= ch 27) (insert "\\e"))
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(t (insert "\\C-" (char-to-string (downcase (+ ch 64))))))
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(if (< ch 127)
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(if (or (= ch 34) (= ch 92))
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(insert "\\" (char-to-string ch))
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(setq j i)
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(while (and (< (setq i (1+ i)) (length str))
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(>= (setq ch (aref str i)) 32)
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(/= ch 34) (/= ch 92)
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(< ch 127)))
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(insert (substring str j i))
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(setq i (1- i)))
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(if (memq ch '(127 255))
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(insert (format "\\%03o" ch))
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(insert "\\M-" (char-to-string (- ch 128))))))
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(setq i (1+ i)))))
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(defun edmacro-lookup-key (map)
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(let ((loc (and map (lookup-key map macro-str)))
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(glob (lookup-key (current-global-map) macro-str))
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(loc-str macro-str)
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(glob-str macro-str))
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(and (integerp loc)
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(setq loc-str (substring macro-str 0 loc)
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loc (lookup-key map loc-str)))
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(and (consp loc)
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(setq loc nil))
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(or loc
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(setq loc-str ""))
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(and (integerp glob)
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(setq glob-str (substring macro-str 0 glob)
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glob (lookup-key (current-global-map) glob-str)))
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(and (consp glob)
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(setq glob nil))
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(or glob
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(setq glob-str ""))
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(if (> (length glob-str) (length loc-str))
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(setq key-symbol glob
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key-str glob-str)
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(setq key-symbol loc
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key-str loc-str))
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(setq key-last (and (> (length key-str) 0)
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(logand (aref key-str (1- (length key-str))) 127)))
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key-symbol))
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(defun edmacro-read-argument (&optional obarray pred) ;; currently ignored
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(let ((str "")
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(min-bsp 0)
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(exec (eq key-symbol 'execute-extended-command))
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str-base)
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(while (progn
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(edmacro-lookup-key (current-global-map))
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(or (and (eq key-symbol 'self-insert-command)
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(< (length str) 60))
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(memq key-symbol
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'(backward-delete-char
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delete-backward-char
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backward-delete-char-untabify))
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(eq key-last 9)))
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(setq macro-str (substring macro-str (length key-str)))
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(or (and (eq key-last 9)
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obarray
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(let ((comp (try-completion str obarray pred)))
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(and (stringp comp)
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(> (length comp) (length str))
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(setq str comp))))
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(if (or (eq key-symbol 'self-insert-command)
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(and (or (eq key-last 9)
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(<= (length str) min-bsp))
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(setq min-bsp (+ (length str) (length key-str)))))
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(setq str (concat str key-str))
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(setq str (substring str 0 -1)))))
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(setq str-base str
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str (concat str key-str)
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macro-str (substring macro-str (length key-str)))
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(if exec
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(let ((comp (try-completion str-base obarray pred)))
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(if (if (stringp comp)
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(and (commandp (intern comp))
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(setq str-base comp))
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(commandp (intern str-base)))
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(insert str-base "\n")
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(insert "execute-extended-command\n")
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(insert "type \"")
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(edmacro-insert-string str)
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(insert "\"\n")))
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(if (> (length str) 0)
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(progn
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(insert "type \"")
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(edmacro-insert-string str)
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(insert "\"\n"))))))
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(defun edmacro-isearch-argument ()
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(let ((str "")
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(min-bsp 0)
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ch)
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(while (and (setq ch (edmacro-read-char))
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(or (<= ch 127) (not search-exit-option))
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(not (eq ch search-exit-char))
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(or (eq ch search-repeat-char)
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(eq ch search-reverse-char)
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(eq ch search-delete-char)
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(eq ch search-yank-word-char)
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(eq ch search-yank-line-char)
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(eq ch search-quote-char)
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(eq ch ?\r)
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(eq ch ?\t)
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(not search-exit-option)
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(and (/= ch 127) (>= ch 32))))
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(if (and (eq ch search-quote-char)
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(edmacro-peek-char))
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(setq str (concat str (char-to-string ch)
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(char-to-string (edmacro-read-char)))
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min-bsp (length str))
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(if (or (and (< ch 127) (>= ch 32))
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(eq ch search-yank-word-char)
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(eq ch search-yank-line-char)
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(and (or (not (eq ch search-delete-char))
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(<= (length str) min-bsp))
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(setq min-bsp (1+ (length str)))))
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(setq str (concat str (char-to-string ch)))
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(setq str (substring str 0 -1)))))
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(if (eq ch search-exit-char)
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(if (= (length str) 0) ;; non-incremental search
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(progn
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(setq str (concat str (char-to-string ch)))
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(and (eq (edmacro-peek-char) ?\C-w)
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(progn
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(setq str (concat str "\C-w"))
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(edmacro-read-char)))
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(if (> (length str) 0)
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(progn
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(insert "type \"")
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(edmacro-insert-string str)
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(insert "\"\n")))
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(edmacro-read-argument)
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(setq str "")))
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(edmacro-unread-chars ch))
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(if (> (length str) 0)
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(progn
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(insert "type \"")
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(edmacro-insert-string str)
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(insert "\\e\"\n")))))
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;;; Get the next keystroke-sequence from the input stream.
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;;; Sets key-symbol, key-str, and key-last as a side effect.
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(defun edmacro-read-key ()
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(edmacro-lookup-key (current-local-map))
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(and key-symbol
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(setq macro-str (substring macro-str (length key-str)))))
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(defun edmacro-peek-char ()
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(and (> (length macro-str) 0)
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(aref macro-str 0)))
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(defun edmacro-read-char ()
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(and (> (length macro-str) 0)
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(prog1
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(aref macro-str 0)
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(setq macro-str (substring macro-str 1)))))
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(defun edmacro-unread-chars (chars)
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(and (integerp chars)
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(setq chars (char-to-string chars)))
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(and chars
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(setq macro-str (concat chars macro-str))))
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(defun edmacro-dump (mac)
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(set-mark-command nil)
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(insert "\n\n")
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(edmacro-print-macro mac (current-local-map)))
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;;; Parse a string of spelled-out keystrokes, as produced by key-description.
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(defun edmacro-parse-keys (str)
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(let ((pos 0)
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(mac "")
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part)
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(while (and (< pos (length str))
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(string-match "[^ \t\n]+" str pos))
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(setq pos (match-end 0)
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part (substring str (match-beginning 0) (match-end 0))
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mac (concat mac
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(if (and (> (length part) 2)
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(= (aref part 1) ?-)
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(= (aref part 0) ?M))
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(progn
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(setq part (substring part 2))
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"\e")
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(if (and (> (length part) 4)
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(= (aref part 0) ?C)
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(= (aref part 1) ?-)
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(= (aref part 2) ?M)
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(= (aref part 3) ?-))
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(progn
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(setq part (concat "C-" (substring part 4)))
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"\e")
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""))
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(or (cdr (assoc part '( ( "NUL" . "\0" )
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( "RET" . "\r" )
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( "LFD" . "\n" )
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( "TAB" . "\t" )
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( "ESC" . "\e" )
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( "SPC" . " " )
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( "DEL" . "\177" )
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( "C-?" . "\177" )
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( "C-2" . "\0" )
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( "C-SPC" . "\0") )))
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(and (equal part "REM")
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(setq pos (or (string-match "\n" str pos)
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(length str)))
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"")
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(and (= (length part) 3)
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(= (aref part 0) ?C)
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(= (aref part 1) ?-)
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(char-to-string (logand (aref part 2) 31)))
|
||
part))))
|
||
mac))
|
||
|
||
;;; Parse a keyboard macro description in edmacro-print-macro's format.
|
||
|
||
(defun edmacro-read-macro (&optional map)
|
||
(or map (setq map (current-local-map)))
|
||
(let ((macro-str ""))
|
||
(while (not (progn
|
||
(skip-chars-forward " \t\n")
|
||
(eobp)))
|
||
(cond ((looking-at "#")) ;; comment
|
||
((looking-at "prefix-arg[ \t]*-[ \t]*\n")
|
||
(edmacro-append-chars "\C-u-"))
|
||
((looking-at "prefix-arg[ \t]*\\(-?[0-9]+\\)[ \t]*\n")
|
||
(edmacro-append-chars (concat "\C-u" (edmacro-match-string 1))))
|
||
((looking-at "prefix-arg[ \t]*(\\([0-9]+\\))[ \t]*\n")
|
||
(let ((val (string-to-int (edmacro-match-string 1))))
|
||
(while (> val 1)
|
||
(or (= (% val 4) 0)
|
||
(error "Bad prefix argument value"))
|
||
(edmacro-append-chars "\C-u")
|
||
(setq val (/ val 4)))))
|
||
((looking-at "prefix-arg")
|
||
(error "Bad prefix argument syntax"))
|
||
((looking-at "insert ")
|
||
(forward-char 7)
|
||
(edmacro-append-chars (read (current-buffer)))
|
||
(if (< (current-column) 7)
|
||
(forward-line -1)))
|
||
((looking-at "type ")
|
||
(forward-char 5)
|
||
(edmacro-append-chars (read (current-buffer)))
|
||
(if (< (current-column) 5)
|
||
(forward-line -1)))
|
||
((looking-at "keys \\(.*\\)\n")
|
||
(goto-char (1- (match-end 0)))
|
||
(edmacro-append-chars (edmacro-parse-keys
|
||
(buffer-substring (match-beginning 1)
|
||
(match-end 1)))))
|
||
((looking-at "\\([-a-zA-z0-9_]+\\)[ \t]*\\(.*\\)\n")
|
||
(let* ((func (intern (edmacro-match-string 1)))
|
||
(arg (edmacro-match-string 2))
|
||
(cust (get func 'edmacro-read)))
|
||
(if cust
|
||
(funcall cust arg)
|
||
(or (commandp func)
|
||
(error "Not an Emacs command"))
|
||
(or (equal arg "")
|
||
(string-match "\\`#" arg)
|
||
(error "Unexpected argument to command"))
|
||
(let ((keys
|
||
(or (where-is-internal func map t)
|
||
(where-is-internal func (current-global-map) t))))
|
||
(if keys
|
||
(edmacro-append-chars keys)
|
||
(edmacro-append-chars (concat "\ex"
|
||
(symbol-name func)
|
||
"\n")))))))
|
||
(t (error "Syntax error")))
|
||
(forward-line 1))
|
||
macro-str))
|
||
|
||
(defun edmacro-append-chars (chars)
|
||
(setq macro-str (concat macro-str chars)))
|
||
|
||
(defun edmacro-match-string (n)
|
||
(if (match-beginning n)
|
||
(buffer-substring (match-beginning n) (match-end n))
|
||
""))
|
||
|
||
(defun edmacro-get-interactive (func)
|
||
(if (symbolp func)
|
||
(let ((cust (get func 'edmacro-interactive)))
|
||
(if cust
|
||
cust
|
||
(edmacro-get-interactive (symbol-function func))))
|
||
(or (and (eq (car-safe func) 'lambda)
|
||
(let ((int (if (consp (nth 2 func))
|
||
(nth 2 func)
|
||
(nth 3 func))))
|
||
(and (eq (car-safe int) 'interactive)
|
||
(stringp (nth 1 int))
|
||
(nth 1 int))))
|
||
"")))
|
||
|
||
(put 'search-forward 'edmacro-interactive "s")
|
||
(put 'search-backward 'edmacro-interactive "s")
|
||
(put 'word-search-forward 'edmacro-interactive "s")
|
||
(put 'word-search-backward 'edmacro-interactive "s")
|
||
(put 're-search-forward 'edmacro-interactive "s")
|
||
(put 're-search-backward 'edmacro-interactive "s")
|
||
(put 'switch-to-buffer 'edmacro-interactive "B")
|
||
(put 'kill-buffer 'edmacro-interactive "B")
|
||
(put 'rename-buffer 'edmacro-interactive "B\nB")
|
||
(put 'goto-char 'edmacro-interactive "N")
|
||
(put 'global-set-key 'edmacro-interactive "k\nC")
|
||
(put 'global-unset-key 'edmacro-interactive "k")
|
||
(put 'local-set-key 'edmacro-interactive "k\nC")
|
||
(put 'local-unset-key 'edmacro-interactive "k")
|
||
|
||
;;; Think about kbd-macro-query
|
||
|
||
;;; Edit a keyboard macro in another buffer.
|
||
;;; (Prefix argument is currently ignored.)
|
||
|
||
(defun edmacro-edit-macro (mac repl &optional prefix buffer hook arg)
|
||
(or (stringp mac)
|
||
(error "Not a keyboard macro"))
|
||
(let ((oldbuf (current-buffer))
|
||
(local (current-local-map))
|
||
(buf (get-buffer-create (or buffer "*Edit Macro*"))))
|
||
(set-buffer buf)
|
||
(kill-all-local-variables)
|
||
(use-local-map edmacro-mode-map)
|
||
(setq buffer-read-only nil
|
||
major-mode 'edmacro-mode
|
||
mode-name "Edit Macro")
|
||
(set (make-local-variable 'edmacro-original-buffer) oldbuf)
|
||
(set (make-local-variable 'edmacro-replace-function) repl)
|
||
(set (make-local-variable 'edmacro-replace-argument) arg)
|
||
(set (make-local-variable 'edmacro-finish-hook) hook)
|
||
(erase-buffer)
|
||
(insert "# Keyboard Macro Editor. Press C-c C-c to finish; press C-x k RET to cancel.\n")
|
||
(insert "# Original keys: " (key-description mac) "\n\n")
|
||
(message "Formatting keyboard macro...")
|
||
(edmacro-print-macro mac local)
|
||
(switch-to-buffer buf)
|
||
(goto-char (point-min))
|
||
(forward-line 3)
|
||
(recenter '(4))
|
||
(set-buffer-modified-p nil)
|
||
(message "Formatting keyboard macro...done")
|
||
(run-hooks 'edmacro-format-hook)))
|
||
|
||
(defun edmacro-finish-edit ()
|
||
(interactive)
|
||
(or (and (boundp 'edmacro-original-buffer)
|
||
(boundp 'edmacro-replace-function)
|
||
(boundp 'edmacro-replace-argument)
|
||
(boundp 'edmacro-finish-hook)
|
||
(eq major-mode 'edmacro-mode))
|
||
(error "This command is valid only in buffers created by `edit-kbd-macro'."))
|
||
(let ((buf (current-buffer))
|
||
(str (buffer-string))
|
||
(func edmacro-replace-function)
|
||
(arg edmacro-replace-argument)
|
||
(hook edmacro-finish-hook))
|
||
(goto-char (point-min))
|
||
(run-hooks 'edmacro-compile-hook)
|
||
(and (buffer-modified-p)
|
||
func
|
||
(progn
|
||
(message "Compiling keyboard macro...")
|
||
(let ((mac (edmacro-read-macro
|
||
(and (buffer-name edmacro-original-buffer)
|
||
(save-excursion
|
||
(set-buffer edmacro-original-buffer)
|
||
(current-local-map))))))
|
||
(and (buffer-name edmacro-original-buffer)
|
||
(switch-to-buffer edmacro-original-buffer))
|
||
(funcall func mac arg))
|
||
(message "Compiling keyboard macro...done")))
|
||
(kill-buffer buf)
|
||
(if hook
|
||
(funcall hook arg))))
|
||
|
||
(defun edmacro-mode ()
|
||
"\\<edmacro-mode-map>Keyboard Macro Editing mode. Press \\[edmacro-finish-edit] to save and exit.
|
||
To abort the edit, just kill this buffer with \\[kill-buffer] RET.
|
||
|
||
The keyboard macro is represented as a series of M-x style command names.
|
||
Keystrokes which do not correspond to simple M-x commands are written as
|
||
\"type\" commands. When you press \\[edmacro-finish-edit], edmacro converts each command
|
||
back into a suitable keystroke sequence; \"type\" commands are converted
|
||
directly back into keystrokes."
|
||
(interactive)
|
||
(error "This mode can be enabled only by `edit-kbd-macro' or `edit-last-kbd-macro'."))
|
||
(put 'edmacro-mode 'mode-class 'special)
|
||
|
||
(if (boundp 'edmacro-mode-map) ()
|
||
(setq edmacro-mode-map (make-sparse-keymap))
|
||
(define-key edmacro-mode-map "\C-c\C-c" 'edmacro-finish-edit))
|
||
|
||
;;; edmacro.el ends here
|