1
0
mirror of https://git.savannah.gnu.org/git/emacs.git synced 2024-12-06 08:54:05 +00:00
emacs/lisp/edmacro.el
1992-07-22 04:22:30 +00:00

653 lines
21 KiB
EmacsLisp
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

;;; edmacro.el --- keyboard macro editor
;; Copyright (C) 1990 Free Software Foundation, Inc.
;; Author: Dave Gillespie <daveg@csvax.caltech.edu>
;; Maintainer: FSF
;; Version: 1.02
;; This file is part of GNU Emacs.
;; GNU Emacs is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to
;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
;;; Commentary:
;; To use, type `M-x edit-last-kbd-macro' to edit the most recently
;; defined keyboard macro. If you have used `M-x name-last-kbd-macro'
;; to give a keyboard macro a name, type `M-x edit-kbd-macro' to edit
;; the macro by name. When you are done editing, type `C-c C-c' to
;; record your changes back into the original keyboard macro.
;;; Code:
;;; The user-level commands for editing macros.
;;;###autoload
(defun edit-last-kbd-macro (&optional prefix buffer hook)
"Edit the most recently defined keyboard macro."
(interactive "P")
(edmacro-edit-macro last-kbd-macro
(function (lambda (x arg) (setq last-kbd-macro x)))
prefix buffer hook))
;;;###autoload
(defun edit-kbd-macro (cmd &optional prefix buffer hook in-hook out-hook)
"Edit a keyboard macro which has been given a name by `name-last-kbd-macro'.
\(See also `edit-last-kbd-macro'.)"
(interactive "CCommand name: \nP")
(and cmd
(edmacro-edit-macro (if in-hook
(funcall in-hook cmd)
(symbol-function cmd))
(or out-hook
(list 'lambda '(x arg)
(list 'fset
(list 'quote cmd)
'x)))
prefix buffer hook cmd)))
;;;###autoload
(defun read-kbd-macro (start end)
"Read the region as a keyboard macro definition.
The region is interpreted as spelled-out keystrokes, e.g., \"M-x abc RET\".
The resulting macro is installed as the \"current\" keyboard macro.
Symbols: RET, SPC, TAB, DEL, LFD, NUL; C-key; M-key. (Must be uppercase.)
REM marks the rest of a line as a comment.
Whitespace is ignored; other characters are copied into the macro."
(interactive "r")
(setq last-kbd-macro (edmacro-parse-keys (buffer-substring start end)))
(if (and (string-match "\\`\C-x(" last-kbd-macro)
(string-match "\C-x)\\'" last-kbd-macro))
(setq last-kbd-macro (substring last-kbd-macro 2 -2))))
;;; Formatting a keyboard macro as human-readable text.
(defun edmacro-print-macro (macro-str local-map)
(let ((save-map (current-local-map))
(print-escape-newlines t)
key-symbol key-str key-last prefix-arg this-prefix)
(unwind-protect
(progn
(use-local-map local-map)
(while (edmacro-peek-char)
(edmacro-read-key)
(setq this-prefix prefix-arg)
(or (memq key-symbol '(digit-argument
negative-argument
universal-argument))
(null prefix-arg)
(progn
(cond ((consp prefix-arg)
(insert (format "prefix-arg (%d)\n"
(car prefix-arg))))
((eq prefix-arg '-)
(insert "prefix-arg -\n"))
((numberp prefix-arg)
(insert (format "prefix-arg %d\n" prefix-arg))))
(setq prefix-arg nil)))
(cond ((null key-symbol)
(insert "type \"")
(edmacro-insert-string macro-str)
(insert "\"\n")
(setq macro-str ""))
((eq key-symbol 'digit-argument)
(edmacro-prefix-arg key-last nil prefix-arg))
((eq key-symbol 'negative-argument)
(edmacro-prefix-arg ?- nil prefix-arg))
((eq key-symbol 'universal-argument)
(let* ((c-u 4) (argstartchar key-last)
(char (edmacro-read-char)))
(while (= char argstartchar)
(setq c-u (* 4 c-u)
char (edmacro-read-char)))
(edmacro-prefix-arg char c-u nil)))
((eq key-symbol 'self-insert-command)
(insert "insert ")
(if (and (>= key-last 32) (<= key-last 126))
(let ((str ""))
(while (or (and (eq key-symbol
'self-insert-command)
(< (length str) 60)
(>= key-last 32)
(<= key-last 126))
(and (memq key-symbol
'(backward-delete-char
delete-backward-char
backward-delete-char-untabify))
(> (length str) 0)))
(if (eq key-symbol 'self-insert-command)
(setq str (concat str
(char-to-string key-last)))
(setq str (substring str 0 -1)))
(edmacro-read-key))
(insert "\"" str "\"\n")
(edmacro-unread-chars key-str))
(insert "\"")
(edmacro-insert-string (char-to-string key-last))
(insert "\"\n")))
((and (eq key-symbol 'quoted-insert)
(edmacro-peek-char))
(insert "quoted-insert\n")
(let ((ch (edmacro-read-char))
ch2)
(if (and (>= ch ?0) (<= ch ?7))
(progn
(setq ch (- ch ?0)
ch2 (edmacro-read-char))
(if ch2
(if (and (>= ch2 ?0) (<= ch2 ?7))
(progn
(setq ch (+ (* ch 8) (- ch2 ?0))
ch2 (edmacro-read-char))
(if ch2
(if (and (>= ch2 ?0) (<= ch2 ?7))
(setq ch (+ (* ch 8) (- ch2 ?0)))
(edmacro-unread-chars ch2))))
(edmacro-unread-chars ch2)))))
(if (or (and (>= ch ?0) (<= ch ?7))
(< ch 32) (> ch 126))
(insert (format "type \"\\%03o\"\n" ch))
(insert "type \"" (char-to-string ch) "\"\n"))))
((memq key-symbol '(isearch-forward
isearch-backward
isearch-forward-regexp
isearch-backward-regexp))
(insert (symbol-name key-symbol) "\n")
(edmacro-isearch-argument))
((eq key-symbol 'execute-extended-command)
(edmacro-read-argument obarray 'commandp))
(t
(let ((cust (get key-symbol 'edmacro-print)))
(if cust
(funcall cust)
(insert (symbol-name key-symbol))
(indent-to 30)
(insert " # ")
(edmacro-insert-string key-str)
(insert "\n")
(let ((int (edmacro-get-interactive key-symbol)))
(if (string-match "\\`\\*" int)
(setq int (substring int 1)))
(while (> (length int) 0)
(cond ((= (aref int 0) ?a)
(edmacro-read-argument
obarray nil))
((memq (aref int 0) '(?b ?B ?D ?f ?F ?n
?s ?S ?x ?X))
(edmacro-read-argument))
((and (= (aref int 0) ?c)
(edmacro-peek-char))
(insert "type \"")
(edmacro-insert-string
(char-to-string
(edmacro-read-char)))
(insert "\"\n"))
((= (aref int 0) ?C)
(edmacro-read-argument
obarray 'commandp))
((= (aref int 0) ?k)
(edmacro-read-key)
(if key-symbol
(progn
(insert "type \"")
(edmacro-insert-string key-str)
(insert "\"\n"))
(edmacro-unread-chars key-str)))
((= (aref int 0) ?N)
(or this-prefix
(edmacro-read-argument)))
((= (aref int 0) ?v)
(edmacro-read-argument
obarray 'user-variable-p)))
(let ((nl (string-match "\n" int)))
(setq int (if nl
(substring int (1+ nl))
"")))))))))))
(use-local-map save-map))))
(defun edmacro-prefix-arg (char c-u value)
(let ((sign 1))
(if (and (numberp value) (< value 0))
(setq sign -1 value (- value)))
(if (eq value '-)
(setq sign -1 value nil))
(while (and char (= ?- char))
(setq sign (- sign) c-u nil)
(setq char (edmacro-read-char)))
(while (and char (>= char ?0) (<= char ?9))
(setq value (+ (* (if (numberp value) value 0) 10) (- char ?0)) c-u nil)
(setq char (edmacro-read-char)))
(setq prefix-arg
(cond (c-u (list c-u))
((numberp value) (* value sign))
((= sign -1) '-)))
(edmacro-unread-chars char)))
(defun edmacro-insert-string (str)
(let ((i 0) j ch)
(while (< i (length str))
(if (and (> (setq ch (aref str i)) 127)
(< ch 160))
(progn
(setq ch (- ch 128))
(insert "\\M-")))
(if (< ch 32)
(cond ((= ch 8) (insret "\\b"))
((= ch 9) (insert "\\t"))
((= ch 10) (insert "\\n"))
((= ch 13) (insert "\\r"))
((= ch 27) (insert "\\e"))
(t (insert "\\C-" (char-to-string (downcase (+ ch 64))))))
(if (< ch 127)
(if (or (= ch 34) (= ch 92))
(insert "\\" (char-to-string ch))
(setq j i)
(while (and (< (setq i (1+ i)) (length str))
(>= (setq ch (aref str i)) 32)
(/= ch 34) (/= ch 92)
(< ch 127)))
(insert (substring str j i))
(setq i (1- i)))
(if (memq ch '(127 255))
(insert (format "\\%03o" ch))
(insert "\\M-" (char-to-string (- ch 128))))))
(setq i (1+ i)))))
(defun edmacro-lookup-key (map)
(let ((loc (and map (lookup-key map macro-str)))
(glob (lookup-key (current-global-map) macro-str))
(loc-str macro-str)
(glob-str macro-str))
(and (integerp loc)
(setq loc-str (substring macro-str 0 loc)
loc (lookup-key map loc-str)))
(and (consp loc)
(setq loc nil))
(or loc
(setq loc-str ""))
(and (integerp glob)
(setq glob-str (substring macro-str 0 glob)
glob (lookup-key (current-global-map) glob-str)))
(and (consp glob)
(setq glob nil))
(or glob
(setq glob-str ""))
(if (> (length glob-str) (length loc-str))
(setq key-symbol glob
key-str glob-str)
(setq key-symbol loc
key-str loc-str))
(setq key-last (and (> (length key-str) 0)
(logand (aref key-str (1- (length key-str))) 127)))
key-symbol))
(defun edmacro-read-argument (&optional obarray pred) ;; currently ignored
(let ((str "")
(min-bsp 0)
(exec (eq key-symbol 'execute-extended-command))
str-base)
(while (progn
(edmacro-lookup-key (current-global-map))
(or (and (eq key-symbol 'self-insert-command)
(< (length str) 60))
(memq key-symbol
'(backward-delete-char
delete-backward-char
backward-delete-char-untabify))
(eq key-last 9)))
(setq macro-str (substring macro-str (length key-str)))
(or (and (eq key-last 9)
obarray
(let ((comp (try-completion str obarray pred)))
(and (stringp comp)
(> (length comp) (length str))
(setq str comp))))
(if (or (eq key-symbol 'self-insert-command)
(and (or (eq key-last 9)
(<= (length str) min-bsp))
(setq min-bsp (+ (length str) (length key-str)))))
(setq str (concat str key-str))
(setq str (substring str 0 -1)))))
(setq str-base str
str (concat str key-str)
macro-str (substring macro-str (length key-str)))
(if exec
(let ((comp (try-completion str-base obarray pred)))
(if (if (stringp comp)
(and (commandp (intern comp))
(setq str-base comp))
(commandp (intern str-base)))
(insert str-base "\n")
(insert "execute-extended-command\n")
(insert "type \"")
(edmacro-insert-string str)
(insert "\"\n")))
(if (> (length str) 0)
(progn
(insert "type \"")
(edmacro-insert-string str)
(insert "\"\n"))))))
(defun edmacro-isearch-argument ()
(let ((str "")
(min-bsp 0)
ch)
(while (and (setq ch (edmacro-read-char))
(or (<= ch 127) (not search-exit-option))
(not (eq ch search-exit-char))
(or (eq ch search-repeat-char)
(eq ch search-reverse-char)
(eq ch search-delete-char)
(eq ch search-yank-word-char)
(eq ch search-yank-line-char)
(eq ch search-quote-char)
(eq ch ?\r)
(eq ch ?\t)
(not search-exit-option)
(and (/= ch 127) (>= ch 32))))
(if (and (eq ch search-quote-char)
(edmacro-peek-char))
(setq str (concat str (char-to-string ch)
(char-to-string (edmacro-read-char)))
min-bsp (length str))
(if (or (and (< ch 127) (>= ch 32))
(eq ch search-yank-word-char)
(eq ch search-yank-line-char)
(and (or (not (eq ch search-delete-char))
(<= (length str) min-bsp))
(setq min-bsp (1+ (length str)))))
(setq str (concat str (char-to-string ch)))
(setq str (substring str 0 -1)))))
(if (eq ch search-exit-char)
(if (= (length str) 0) ;; non-incremental search
(progn
(setq str (concat str (char-to-string ch)))
(and (eq (edmacro-peek-char) ?\C-w)
(progn
(setq str (concat str "\C-w"))
(edmacro-read-char)))
(if (> (length str) 0)
(progn
(insert "type \"")
(edmacro-insert-string str)
(insert "\"\n")))
(edmacro-read-argument)
(setq str "")))
(edmacro-unread-chars ch))
(if (> (length str) 0)
(progn
(insert "type \"")
(edmacro-insert-string str)
(insert "\\e\"\n")))))
;;; Get the next keystroke-sequence from the input stream.
;;; Sets key-symbol, key-str, and key-last as a side effect.
(defun edmacro-read-key ()
(edmacro-lookup-key (current-local-map))
(and key-symbol
(setq macro-str (substring macro-str (length key-str)))))
(defun edmacro-peek-char ()
(and (> (length macro-str) 0)
(aref macro-str 0)))
(defun edmacro-read-char ()
(and (> (length macro-str) 0)
(prog1
(aref macro-str 0)
(setq macro-str (substring macro-str 1)))))
(defun edmacro-unread-chars (chars)
(and (integerp chars)
(setq chars (char-to-string chars)))
(and chars
(setq macro-str (concat chars macro-str))))
(defun edmacro-dump (mac)
(set-mark-command nil)
(insert "\n\n")
(edmacro-print-macro mac (current-local-map)))
;;; Parse a string of spelled-out keystrokes, as produced by key-description.
(defun edmacro-parse-keys (str)
(let ((pos 0)
(mac "")
part)
(while (and (< pos (length str))
(string-match "[^ \t\n]+" str pos))
(setq pos (match-end 0)
part (substring str (match-beginning 0) (match-end 0))
mac (concat mac
(if (and (> (length part) 2)
(= (aref part 1) ?-)
(= (aref part 0) ?M))
(progn
(setq part (substring part 2))
"\e")
(if (and (> (length part) 4)
(= (aref part 0) ?C)
(= (aref part 1) ?-)
(= (aref part 2) ?M)
(= (aref part 3) ?-))
(progn
(setq part (concat "C-" (substring part 4)))
"\e")
""))
(or (cdr (assoc part '( ( "NUL" . "\0" )
( "RET" . "\r" )
( "LFD" . "\n" )
( "TAB" . "\t" )
( "ESC" . "\e" )
( "SPC" . " " )
( "DEL" . "\177" )
( "C-?" . "\177" )
( "C-2" . "\0" )
( "C-SPC" . "\0") )))
(and (equal part "REM")
(setq pos (or (string-match "\n" str pos)
(length str)))
"")
(and (= (length part) 3)
(= (aref part 0) ?C)
(= (aref part 1) ?-)
(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