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321 lines
11 KiB
EmacsLisp
321 lines
11 KiB
EmacsLisp
;;; macros.el --- non-primitive commands for keyboard macros
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;; Copyright (C) 1985, 1986, 1987, 1992, 1994, 1995, 2002, 2003,
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;; 2004, 2005 Free Software Foundation, Inc.
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;; Maintainer: FSF
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;; Keywords: abbrev
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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 the
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;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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;; Boston, MA 02110-1301, USA.
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;;; Commentary:
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;; Extension commands for keyboard macros. These permit you to assign
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;; a name to the last-defined keyboard macro, expand and insert the
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;; lisp corresponding to a macro, query the user from within a macro,
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;; or apply a macro to each line in the reason.
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;;; Code:
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;;;###autoload
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(defun name-last-kbd-macro (symbol)
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"Assign a name to the last keyboard macro defined.
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Argument SYMBOL is the name to define.
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The symbol's function definition becomes the keyboard macro string.
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Such a \"function\" cannot be called from Lisp, but it is a valid editor command."
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(interactive "SName for last kbd macro: ")
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(or last-kbd-macro
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(error "No keyboard macro defined"))
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(and (fboundp symbol)
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(not (stringp (symbol-function symbol)))
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(not (vectorp (symbol-function symbol)))
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(error "Function %s is already defined and not a keyboard macro"
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symbol))
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(if (string-equal symbol "")
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(error "No command name given"))
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(fset symbol last-kbd-macro))
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;;;###autoload
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(defun insert-kbd-macro (macroname &optional keys)
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"Insert in buffer the definition of kbd macro NAME, as Lisp code.
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Optional second arg KEYS means also record the keys it is on
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\(this is the prefix argument, when calling interactively).
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This Lisp code will, when executed, define the kbd macro with the same
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definition it has now. If you say to record the keys, the Lisp code
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will also rebind those keys to the macro. Only global key bindings
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are recorded since executing this Lisp code always makes global
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bindings.
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To save a kbd macro, visit a file of Lisp code such as your `~/.emacs',
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use this command, and then save the file."
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(interactive (list (intern (completing-read "Insert kbd macro (name): "
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obarray
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(lambda (elt)
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(and (fboundp elt)
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(or (stringp (symbol-function elt))
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(vectorp (symbol-function elt))
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(get elt 'kmacro))))
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t))
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current-prefix-arg))
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(let (definition)
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(if (string= (symbol-name macroname) "")
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(progn
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(setq macroname 'last-kbd-macro definition last-kbd-macro)
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(insert "(setq "))
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(setq definition (symbol-function macroname))
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(insert "(fset '"))
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(prin1 macroname (current-buffer))
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(insert "\n ")
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(if (stringp definition)
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(let ((beg (point)) end)
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(prin1 definition (current-buffer))
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(setq end (point-marker))
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(goto-char beg)
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(while (< (point) end)
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(let ((char (following-char)))
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(cond ((= char 0)
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(delete-region (point) (1+ (point)))
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(insert "\\C-@"))
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((< char 27)
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(delete-region (point) (1+ (point)))
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(insert "\\C-" (+ 96 char)))
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((= char ?\C-\\)
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(delete-region (point) (1+ (point)))
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(insert "\\C-\\\\"))
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((< char 32)
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(delete-region (point) (1+ (point)))
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(insert "\\C-" (+ 64 char)))
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((< char 127)
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(forward-char 1))
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((= char 127)
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(delete-region (point) (1+ (point)))
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(insert "\\C-?"))
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((= char 128)
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(delete-region (point) (1+ (point)))
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(insert "\\M-\\C-@"))
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((= char (aref "\M-\C-\\" 0))
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(delete-region (point) (1+ (point)))
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(insert "\\M-\\C-\\\\"))
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((< char 155)
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(delete-region (point) (1+ (point)))
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(insert "\\M-\\C-" (- char 32)))
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((< char 160)
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(delete-region (point) (1+ (point)))
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(insert "\\M-\\C-" (- char 64)))
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((= char (aref "\M-\\" 0))
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(delete-region (point) (1+ (point)))
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(insert "\\M-\\\\"))
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((< char 255)
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(delete-region (point) (1+ (point)))
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(insert "\\M-" (- char 128)))
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((= char 255)
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(delete-region (point) (1+ (point)))
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(insert "\\M-\\C-?"))))))
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(if (vectorp definition)
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(let ((len (length definition)) (i 0) char mods)
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(while (< i len)
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(insert (if (zerop i) ?\[ ?\ ))
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(setq char (aref definition i)
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i (1+ i))
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(cond ((not (numberp char))
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(prin1 char (current-buffer)))
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(t
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(insert "?")
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(setq mods (event-modifiers char)
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char (event-basic-type char))
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(while mods
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(cond ((eq (car mods) 'control)
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(insert "\\C-"))
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((eq (car mods) 'meta)
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(insert "\\M-"))
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((eq (car mods) 'hyper)
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(insert "\\H-"))
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((eq (car mods) 'super)
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(insert "\\s-"))
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((eq (car mods) 'alt)
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(insert "\\A-"))
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((and (eq (car mods) 'shift)
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(>= char ?a)
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(<= char ?z))
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(setq char (upcase char)))
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((eq (car mods) 'shift)
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(insert "\\S-")))
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(setq mods (cdr mods)))
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(cond ((= char ?\\)
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(insert "\\\\"))
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((= char ?\")
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(insert "\\\""))
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((= char ?\;)
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(insert "\\;"))
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((= char 127)
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(insert "\\C-?"))
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((< char 127)
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(insert char))
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(t (insert "\\" (format "%o" char)))))))
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(insert ?\]))
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(prin1 definition (current-buffer))))
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(insert ")\n")
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(if keys
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(let ((keys (where-is-internal macroname '(keymap))))
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(while keys
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(insert "(global-set-key ")
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(prin1 (car keys) (current-buffer))
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(insert " '")
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(prin1 macroname (current-buffer))
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(insert ")\n")
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(setq keys (cdr keys)))))))
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;;;###autoload
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(defun kbd-macro-query (flag)
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"Query user during kbd macro execution.
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With prefix argument, enters recursive edit, reading keyboard
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commands even within a kbd macro. You can give different commands
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each time the macro executes.
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Without prefix argument, asks whether to continue running the macro.
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Your options are: \\<query-replace-map>
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\\[act] Finish this iteration normally and continue with the next.
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\\[skip] Skip the rest of this iteration, and start the next.
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\\[exit] Stop the macro entirely right now.
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\\[recenter] Redisplay the screen, then ask again.
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\\[edit] Enter recursive edit; ask again when you exit from that."
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(interactive "P")
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(or executing-kbd-macro
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defining-kbd-macro
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(error "Not defining or executing kbd macro"))
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(if flag
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(let (executing-kbd-macro defining-kbd-macro)
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(recursive-edit))
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(if (not executing-kbd-macro)
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nil
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(let ((loop t)
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(msg (substitute-command-keys
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"Proceed with macro?\\<query-replace-map>\
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(\\[act], \\[skip], \\[exit], \\[recenter], \\[edit]) ")))
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(while loop
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(let ((key (let ((executing-kbd-macro nil)
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(defining-kbd-macro nil))
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(message "%s" msg)
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(read-event)))
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def)
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(setq key (vector key))
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(setq def (lookup-key query-replace-map key))
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(cond ((eq def 'act)
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(setq loop nil))
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((eq def 'skip)
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(setq loop nil)
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(setq executing-kbd-macro ""))
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((eq def 'exit)
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(setq loop nil)
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(setq executing-kbd-macro t))
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((eq def 'recenter)
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(recenter nil))
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((eq def 'edit)
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(let (executing-kbd-macro defining-kbd-macro)
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(recursive-edit)))
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((eq def 'quit)
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(setq quit-flag t))
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(t
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(or (eq def 'help)
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(ding))
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(with-output-to-temp-buffer "*Help*"
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(princ
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(substitute-command-keys
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"Specify how to proceed with keyboard macro execution.
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Possibilities: \\<query-replace-map>
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\\[act] Finish this iteration normally and continue with the next.
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\\[skip] Skip the rest of this iteration, and start the next.
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\\[exit] Stop the macro entirely right now.
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\\[recenter] Redisplay the screen, then ask again.
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\\[edit] Enter recursive edit; ask again when you exit from that."))
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(save-excursion
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(set-buffer standard-output)
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(help-mode)))))))))))
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;;;###autoload
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(defun apply-macro-to-region-lines (top bottom &optional macro)
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"Apply last keyboard macro to all lines in the region.
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For each line that begins in the region, move to the beginning of
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the line, and run the last keyboard macro.
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When called from lisp, this function takes two arguments TOP and
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BOTTOM, describing the current region. TOP must be before BOTTOM.
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The optional third argument MACRO specifies a keyboard macro to
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execute.
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This is useful for quoting or unquoting included text, adding and
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removing comments, or producing tables where the entries are regular.
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For example, in Usenet articles, sections of text quoted from another
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author are indented, or have each line start with `>'. To quote a
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section of text, define a keyboard macro which inserts `>', put point
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and mark at opposite ends of the quoted section, and use
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`\\[apply-macro-to-region-lines]' to mark the entire section.
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Suppose you wanted to build a keyword table in C where each entry
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looked like this:
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{ \"foo\", foo_data, foo_function },
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{ \"bar\", bar_data, bar_function },
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{ \"baz\", baz_data, baz_function },
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You could enter the names in this format:
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foo
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bar
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baz
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and write a macro to massage a word into a table entry:
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\\C-x (
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\\M-d { \"\\C-y\", \\C-y_data, \\C-y_function },
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\\C-x )
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and then select the region of un-tablified names and use
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`\\[apply-macro-to-region-lines]' to build the table from the names."
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(interactive "r")
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(or macro
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(progn
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(if (null last-kbd-macro)
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(error "No keyboard macro has been defined"))
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(setq macro last-kbd-macro)))
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(save-excursion
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(let ((end-marker (copy-marker bottom))
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next-line-marker)
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(goto-char top)
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(if (not (bolp))
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(forward-line 1))
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(setq next-line-marker (point-marker))
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(while (< next-line-marker end-marker)
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(goto-char next-line-marker)
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(save-excursion
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(forward-line 1)
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(set-marker next-line-marker (point)))
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(save-excursion
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(let ((mark-active nil))
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(execute-kbd-macro (or macro last-kbd-macro)))))
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(set-marker end-marker nil)
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(set-marker next-line-marker nil))))
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;;;###autoload (define-key ctl-x-map "q" 'kbd-macro-query)
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(provide 'macros)
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;;; arch-tag: 346ed1a5-1220-4bc8-b533-961ee704361f
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;;; macros.el ends here
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