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157
lisp/mail/mailalias.el
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157
lisp/mail/mailalias.el
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;; Expand mailing address aliases defined in ~/.mailrc.
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;; Copyright (C) 1985, 1987 Free Software Foundation, Inc.
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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 1, 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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;; Called from sendmail-send-it, or similar functions,
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;; only if some mail aliases are defined.
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(defun expand-mail-aliases (beg end &optional exclude)
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"Expand all mail aliases in suitable header fields found between BEG and END.
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Suitable header fields are To, Cc and Bcc. Optional 2nd arg EXCLUDE may be a
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regular expression defining text to be removed from alias expansions."
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(if (eq mail-aliases t)
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(progn (setq mail-aliases nil) (build-mail-aliases)))
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(goto-char beg)
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(setq end (set-marker (make-marker) end))
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(let ((case-fold-search nil))
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(while (let ((case-fold-search t))
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(re-search-forward "^\\(to\\|cc\\|bcc\\):" end t))
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(skip-chars-forward " \t")
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(let ((beg1 (point))
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end1 pos epos seplen
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;; DISABLED-ALIASES records aliases temporarily disabled
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;; while we scan text that resulted from expanding those aliases.
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;; Each element is (ALIAS . TILL-WHEN), where TILL-WHEN
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;; is where to reenable the alias (expressed as number of chars
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;; counting from END1).
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(disabled-aliases nil))
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(re-search-forward "^[^ \t]" end 'move)
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(beginning-of-line)
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(skip-chars-backward " \t\n")
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(setq end1 (point-marker))
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(goto-char beg1)
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(while (< (point) end1)
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(setq pos (point))
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;; Reenable any aliases which were disabled for ranges
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;; that we have passed out of.
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(while (and disabled-aliases (> pos (- end1 (cdr (car disabled-aliases)))))
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(setq disabled-aliases (cdr disabled-aliases)))
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;; EPOS gets position of end of next name;
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;; SEPLEN gets length of whitespace&separator that follows it.
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(if (re-search-forward "[ \t]*[\n,][ \t]*" end1 t)
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(setq epos (match-beginning 0)
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seplen (- (point) epos))
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(setq epos (marker-position end1) seplen 0))
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(let (translation
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(string (buffer-substring pos epos)))
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(if (and (not (assoc string disabled-aliases))
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(setq translation
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(cdr (assoc string mail-aliases))))
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(progn
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;; This name is an alias. Disable it.
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(setq disabled-aliases (cons (cons string (- end1 epos))
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disabled-aliases))
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;; Replace the alias with its expansion
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;; then rescan the expansion for more aliases.
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(goto-char pos)
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(insert translation)
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(if exclude
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(let ((regexp
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(concat "\\b\\(" exclude "\\)\\b"))
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(end (point-marker)))
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(goto-char pos)
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(while (re-search-forward regexp end t)
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(replace-match ""))
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(goto-char end)))
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(delete-region (point) (+ (point) (- epos pos)))
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(goto-char pos))
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;; Name is not an alias. Skip to start of next name.
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(goto-char epos)
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(forward-char seplen))))
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(set-marker end1 nil)))
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(set-marker end nil)))
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;; Called by mail-setup, or similar functions, only if ~/.mailrc exists.
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(defun build-mail-aliases (&optional file)
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"Read mail aliases from ~/.mailrc and set mail-aliases."
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(setq file (expand-file-name (or file "~/.mailrc")))
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(let ((buffer nil)
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(obuf (current-buffer)))
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(unwind-protect
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(progn
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(setq buffer (generate-new-buffer "mailrc"))
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(buffer-disable-undo buffer)
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(set-buffer buffer)
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(cond ((get-file-buffer file)
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(insert (save-excursion
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(set-buffer (get-file-buffer file))
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(buffer-substring (point-min) (point-max)))))
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((not (file-exists-p file)))
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(t (insert-file-contents file)))
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;; Don't lose if no final newline.
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(goto-char (point-max))
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(or (eq (preceding-char) ?\n) (newline))
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(goto-char (point-min))
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;; handle "\\\n" continuation lines
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(while (not (eobp))
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(end-of-line)
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(if (= (preceding-char) ?\\)
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(progn (delete-char -1) (delete-char 1) (insert ?\ ))
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(forward-char 1)))
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(goto-char (point-min))
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(while (or (re-search-forward "^a\\(lias\\|\\)[ \t]+" nil t)
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(re-search-forward "^g\\(roup\\|\\)[ \t]+" nil t))
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(re-search-forward "[^ \t]+")
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(let* ((name (buffer-substring (match-beginning 0) (match-end 0)))
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(start (progn (skip-chars-forward " \t") (point))))
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(end-of-line)
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(define-mail-alias
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name
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(buffer-substring start (point)))))
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mail-aliases)
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(if buffer (kill-buffer buffer))
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(set-buffer obuf))))
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;; Always autoloadable in case the user wants to define aliases
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;; interactively or in .emacs.
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(defun define-mail-alias (name definition)
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"Define NAME as a mail-alias that translates to DEFINITION.
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This means that sending a message to NAME will actually send to DEFINITION.
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DEFINITION can be one or more mail addresses separated by commas."
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(interactive "sDefine mail alias: \nsDefine %s as mail alias for: ")
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;; Read the defaults first, if we have not done so.
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(if (eq mail-aliases t)
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(progn
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(setq mail-aliases nil)
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(if (file-exists-p "~/.mailrc")
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(build-mail-aliases))))
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(let (tem)
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;; ~/.mailrc contains addresses separated by spaces.
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;; mailers should expect addresses separated by commas.
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(while (setq tem (string-match "[^ \t,][ \t,]+" definition tem))
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(if (= (match-end 0) (length definition))
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(setq definition (substring definition 0 (1+ tem)))
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(setq definition (concat (substring definition
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0 (1+ tem))
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", "
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(substring definition (match-end 0))))
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(setq tem (+ 3 tem))))
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(setq tem (assoc name mail-aliases))
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(if tem
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(rplacd tem definition)
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(setq mail-aliases (cons (cons name definition) mail-aliases)))))
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192
lisp/play/hanoi.el
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192
lisp/play/hanoi.el
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;
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; hanoi - towers of hanoi in GNUmacs
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;
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; Author (a) 1985, Damon Anton Permezel
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;
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;;;
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;;; hanoi-topos - direct cursor addressing
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;;;
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(defun hanoi-topos (row col)
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(goto-line row)
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(beginning-of-line)
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(forward-char col))
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;;;
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;;; hanoi - user callable Towers of Hanoi
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;;;
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(defun hanoi (nrings)
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"Towers of Hanoi diversion. Argument is number of rings."
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(interactive
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(list (if (null current-prefix-arg)
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3
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(prefix-numeric-value current-prefix-arg))))
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(if (<= nrings 0) (error "Negative number of rings"))
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(let (pole-spacing
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floor-row
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fly-row
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(window-height (window-height (selected-window)))
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(window-width (window-width (selected-window))))
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(let ((h (+ nrings 2))
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(w (+ (* (1- nrings) 6) 2 5)))
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(if (not (and (>= window-width h)
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(> window-width w)))
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(progn
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(delete-other-windows)
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(if (not (and (>= (setq window-height
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(window-height (selected-window))) h)
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(> (setq window-width
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(window-width (selected-window))) w)))
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(error "Screen is too small (need at least %dx%d)" w h))))
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(setq pole-spacing (/ window-width 6))
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(if (not (zerop (logand pole-spacing 1)))
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;; must be even
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(setq pole-spacing (1+ pole-spacing)))
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(setq floor-row (if (> (- window-height 3) h)
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(- window-height 3) window-height)))
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(let ((fly-row (- floor-row nrings 1))
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;; pole: column . fill height
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(pole-1 (cons pole-spacing floor-row))
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(pole-2 (cons (* 3 pole-spacing) floor-row))
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(pole-3 (cons (* 5 pole-spacing) floor-row))
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(rings (make-vector nrings nil)))
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;; construct the ring list
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(let ((i 0))
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(while (< i nrings)
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;; ring: [pole-number string empty-string]
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(aset rings i (vector nil
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(make-string (+ i i 3) (+ ?0 i))
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(make-string (+ i i 3) ?\ )))
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(setq i (1+ i))))
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;;
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;; init the screen
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;;
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(switch-to-buffer "*Hanoi*")
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(setq buffer-read-only nil)
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(buffer-disable-undo (current-buffer))
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(erase-buffer)
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(let ((i 0))
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(while (< i floor-row)
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(setq i (1+ i))
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(insert-char ?\ (1- window-width))
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(insert ?\n)))
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(insert-char ?= (1- window-width))
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(let ((n 1))
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(while (< n 6)
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(hanoi-topos fly-row (* n pole-spacing))
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(setq n (+ n 2))
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(let ((i fly-row))
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(while (< i floor-row)
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(setq i (1+ i))
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(next-line 1)
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(insert ?\|)
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(delete-char 1)
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(backward-char 1)))))
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;(sit-for 0)
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;;
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;; now draw the rings in their initial positions
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;;
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(let ((i 0)
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ring)
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(while (< i nrings)
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(setq ring (aref rings (- nrings 1 i)))
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(aset ring 0 (- floor-row i))
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(hanoi-topos (cdr pole-1)
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(- (car pole-1) (- nrings i)))
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(hanoi-draw-ring ring t nil)
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(setcdr pole-1 (1- (cdr pole-1)))
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(setq i (1+ i))))
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(setq buffer-read-only t)
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(sit-for 0)
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;;
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;; do it!
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;;
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(hanoi0 (1- nrings) pole-1 pole-2 pole-3)
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(goto-char (point-min))
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(message "Done")
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(setq buffer-read-only t)
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(set-buffer-modified-p (buffer-modified-p))
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(sit-for 0))))
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;;;
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;;; hanoi0 - work horse of hanoi
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;;;
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(defun hanoi0 (n from to work)
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(cond ((input-pending-p)
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(signal 'quit (list "I can tell you've had enough")))
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((< n 0))
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(t
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(hanoi0 (1- n) from work to)
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(hanoi-move-ring n from to)
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(hanoi0 (1- n) work to from))))
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;;;
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;;; hanoi-move-ring - move ring 'n' from 'from' to 'to'
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;;;
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;;;
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(defun hanoi-move-ring (n from to)
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(let ((ring (aref rings n)) ; ring <- ring: (ring# . row)
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(buffer-read-only nil))
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(let ((row (aref ring 0)) ; row <- row ring is on
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(col (- (car from) n 1)) ; col <- left edge of ring
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(dst-col (- (car to) n 1)) ; dst-col <- dest col for left edge
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(dst-row (cdr to))) ; dst-row <- dest row for ring
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(hanoi-topos row col)
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(while (> row fly-row) ; move up to the fly row
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(hanoi-draw-ring ring nil t) ; blank out ring
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(previous-line 1) ; move up a line
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(hanoi-draw-ring ring t nil) ; redraw
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(sit-for 0)
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(setq row (1- row)))
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(setcdr from (1+ (cdr from))) ; adjust top row
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;;
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;; fly the ring over to the right pole
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;;
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(while (not (equal dst-col col))
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(cond ((> dst-col col) ; dst-col > col: right shift
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(end-of-line 1)
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(delete-backward-char 2)
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(beginning-of-line 1)
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(insert ?\ ?\ )
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(sit-for 0)
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(setq col (1+ (1+ col))))
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((< dst-col col) ; dst-col < col: left shift
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(beginning-of-line 1)
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(delete-char 2)
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(end-of-line 1)
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(insert ?\ ?\ )
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(sit-for 0)
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(setq col (1- (1- col))))))
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;;
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;; let the ring float down
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;;
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(hanoi-topos fly-row dst-col)
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(while (< row dst-row) ; move down to the dest row
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(hanoi-draw-ring ring nil (> row fly-row)) ; blank out ring
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(next-line 1) ; move down a line
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(hanoi-draw-ring ring t nil) ; redraw ring
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(sit-for 0)
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(setq row (1+ row)))
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(aset ring 0 dst-row)
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(setcdr to (1- (cdr to)))))) ; adjust top row
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;;;
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;;; draw-ring - draw the ring at point, leave point unchanged
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;;;
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;;; Input:
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;;; ring
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;;; f1 - flag: t -> draw, nil -> erase
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;;; f2 - flag: t -> erasing and need to draw ?\|
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;;;
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(defun hanoi-draw-ring (ring f1 f2)
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(save-excursion
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(let* ((string (if f1 (aref ring 1) (aref ring 2)))
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(len (length string)))
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(delete-char len)
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(insert string)
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(if f2
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(progn
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(backward-char (/ (+ len 1) 2))
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(delete-char 1) (insert ?\|))))))
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|
276
lisp/play/life.el
Normal file
276
lisp/play/life.el
Normal file
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@ -0,0 +1,276 @@
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;; Conway's `Life' for GNU Emacs
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;; Copyright (C) 1988 Free Software Foundation, Inc.
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;; Contributed by Kyle Jones, talos!kjones@uunet.uu.net
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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
|
||||
;; it under the terms of the GNU General Public License as published by
|
||||
;; the Free Software Foundation; either version 1, 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,
|
||||
;; 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.
|
||||
|
||||
(provide 'life)
|
||||
|
||||
(defconst life-patterns
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[("@@@" " @@" "@@@")
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||||
("@@@ @@@" "@@ @@ " "@@@ @@@")
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||||
("@@@ @@@" "@@ @@" "@@@ @@@")
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||||
("@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@")
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("@@@@@@@@@@")
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||||
(" @@@@@@@@@@ "
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||||
" @@@@@@@@@@ "
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||||
" @@@@@@@@@@ "
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||||
"@@@@@@@@@@ "
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||||
"@@@@@@@@@@ ")
|
||||
("@" "@" "@" "@" "@" "@" "@" "@" "@" "@" "@" "@" "@" "@" "@")
|
||||
("@ @" "@ @" "@ @"
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||||
"@ @" "@ @" "@ @"
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||||
"@ @" "@ @" "@ @"
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||||
"@ @" "@ @" "@ @"
|
||||
"@ @" "@ @" "@ @")
|
||||
("@@ " " @@ " " @@ "
|
||||
" @@ " " @@ " " @@ "
|
||||
" @@ " " @@ " " @@ "
|
||||
" @@ " " @@ " " @@ "
|
||||
" @@ " " @@ " " @@ "
|
||||
" @@")
|
||||
("@@@@@@@@@" "@ @ @" "@ @@@@@ @" "@ @ @ @" "@@@ @@@"
|
||||
"@ @ @ @" "@ @@@@@ @" "@ @ @" "@@@@@@@@@")]
|
||||
"Vector of rectangles containing some Life startup patterns.")
|
||||
|
||||
;; Macros are used macros for manifest constants instead of variables
|
||||
;; because the compiler will convert them to constants, which should
|
||||
;; eval faster than symbols.
|
||||
;;
|
||||
;; The (require) wrapping forces the compiler to eval these macros at
|
||||
;; compile time. This would not be necessary if we did not use macros
|
||||
;; inside of macros, which the compiler doesn't seem to check for.
|
||||
;;
|
||||
;; Don't change any of the life-* macro constants unless you thoroughly
|
||||
;; understand the `life-grim-reaper' function.
|
||||
(require
|
||||
(progn
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||||
(defmacro life-life-char () ?@)
|
||||
(defmacro life-death-char () (1+ (life-life-char)))
|
||||
(defmacro life-birth-char () 3)
|
||||
(defmacro life-void-char () ?\ )
|
||||
|
||||
(defmacro life-life-string () (char-to-string (life-life-char)))
|
||||
(defmacro life-death-string () (char-to-string (life-death-char)))
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||||
(defmacro life-birth-string () (char-to-string (life-birth-char)))
|
||||
(defmacro life-void-string () (char-to-string (life-void-char)))
|
||||
(defmacro life-not-void-regexp () (concat "[^" (life-void-string) "\n]"))
|
||||
|
||||
;; try to optimize the (goto-char (point-min)) & (goto-char (point-max))
|
||||
;; idioms. This depends on goto-char's not griping if we underrshoot
|
||||
;; or overshoot beginning or end of buffer.
|
||||
(defmacro goto-beginning-of-buffer () '(goto-char 1))
|
||||
(defmacro maxint () (lsh (lsh (lognot 0) 1) -1))
|
||||
(defmacro goto-end-of-buffer () '(goto-char (maxint)))
|
||||
|
||||
(defmacro increment (variable) (list 'setq variable (list '1+ variable)))
|
||||
'life))
|
||||
|
||||
;; list of numbers that tell how many characters to move to get to
|
||||
;; each of a cell's eight neighbors.
|
||||
(defconst life-neighbor-deltas nil)
|
||||
|
||||
;; window display always starts here. Easier to deal with than
|
||||
;; (scroll-up) and (scroll-down) when trying to center the display.
|
||||
(defconst life-window-start nil)
|
||||
|
||||
;; For mode line
|
||||
(defconst life-current-generation nil)
|
||||
;; Sadly, mode-line-format won't display numbers.
|
||||
(defconst life-generation-string nil)
|
||||
|
||||
(defun abs (n) (if (< n 0) (- n) n))
|
||||
|
||||
(defun life (&optional sleeptime)
|
||||
"Run Conway's Life simulation.
|
||||
The starting pattern is randomly selected. Prefix arg (optional first arg
|
||||
non-nil from a program) is the number of seconds to sleep between
|
||||
generations (this defaults to 1)."
|
||||
(interactive "p")
|
||||
(or sleeptime (setq sleeptime 1))
|
||||
(life-setup)
|
||||
(life-display-generation sleeptime)
|
||||
(while t
|
||||
(let ((inhibit-quit t))
|
||||
(life-grim-reaper)
|
||||
(life-expand-plane-if-needed)
|
||||
(life-increment-generation)
|
||||
(life-display-generation sleeptime))))
|
||||
|
||||
(fset 'life-mode 'life)
|
||||
(put 'life-mode 'mode-class 'special)
|
||||
|
||||
(random t)
|
||||
|
||||
(defun life-setup ()
|
||||
(let (n)
|
||||
(switch-to-buffer (get-buffer-create "*Life*") t)
|
||||
(erase-buffer)
|
||||
(kill-all-local-variables)
|
||||
(setq case-fold-search nil
|
||||
mode-name "Life"
|
||||
major-mode 'life-mode
|
||||
truncate-lines t
|
||||
life-current-generation 0
|
||||
life-generation-string "0"
|
||||
mode-line-buffer-identification '("Life: generation "
|
||||
life-generation-string)
|
||||
fill-column (1- (window-width))
|
||||
life-window-start 1)
|
||||
(buffer-disable-undo (current-buffer))
|
||||
;; stuff in the random pattern
|
||||
(life-insert-random-pattern)
|
||||
;; make sure (life-life-char) is used throughout
|
||||
(goto-beginning-of-buffer)
|
||||
(while (re-search-forward (life-not-void-regexp) nil t)
|
||||
(replace-match (life-life-string) t t))
|
||||
;; center the pattern horizontally
|
||||
(goto-beginning-of-buffer)
|
||||
(setq n (/ (- fill-column (save-excursion (end-of-line) (point))) 2))
|
||||
(while (not (eobp))
|
||||
(indent-to n)
|
||||
(forward-line))
|
||||
;; center the pattern vertically
|
||||
(setq n (/ (- (1- (window-height))
|
||||
(count-lines (point-min) (point-max)))
|
||||
2))
|
||||
(goto-beginning-of-buffer)
|
||||
(newline n)
|
||||
(goto-end-of-buffer)
|
||||
(newline n)
|
||||
;; pad lines out to fill-column
|
||||
(goto-beginning-of-buffer)
|
||||
(while (not (eobp))
|
||||
(end-of-line)
|
||||
(indent-to fill-column)
|
||||
(move-to-column fill-column)
|
||||
(delete-region (point) (progn (end-of-line) (point)))
|
||||
(forward-line))
|
||||
;; expand tabs to spaces
|
||||
(untabify (point-min) (point-max))
|
||||
;; before starting be sure the automaton has room to grow
|
||||
(life-expand-plane-if-needed)
|
||||
;; compute initial neighbor deltas
|
||||
(life-compute-neighbor-deltas)))
|
||||
|
||||
(defun life-compute-neighbor-deltas ()
|
||||
(setq life-neighbor-deltas
|
||||
(list -1 (- fill-column)
|
||||
(- (1+ fill-column)) (- (+ 2 fill-column))
|
||||
1 fill-column (1+ fill-column)
|
||||
(+ 2 fill-column))))
|
||||
|
||||
(defun life-insert-random-pattern ()
|
||||
(insert-rectangle
|
||||
(elt life-patterns (% (abs (random)) (length life-patterns))))
|
||||
(insert ?\n))
|
||||
|
||||
(defun life-increment-generation ()
|
||||
(increment life-current-generation)
|
||||
(setq life-generation-string (int-to-string life-current-generation)))
|
||||
|
||||
(defun life-grim-reaper ()
|
||||
;; Clear the match information. Later we check to see if it
|
||||
;; is still clear, if so then all the cells have died.
|
||||
(store-match-data nil)
|
||||
(goto-beginning-of-buffer)
|
||||
;; For speed declare all local variable outside the loop.
|
||||
(let (point char pivot living-neighbors list)
|
||||
(while (search-forward (life-life-string) nil t)
|
||||
(setq list life-neighbor-deltas
|
||||
living-neighbors 0
|
||||
pivot (1- (point)))
|
||||
(while list
|
||||
(setq point (+ pivot (car list))
|
||||
char (char-after point))
|
||||
(cond ((eq char (life-void-char))
|
||||
(subst-char-in-region point (1+ point)
|
||||
(life-void-char) 1 t))
|
||||
((< char 3)
|
||||
(subst-char-in-region point (1+ point) char (1+ char) t))
|
||||
((< char 9)
|
||||
(subst-char-in-region point (1+ point) char 9 t))
|
||||
((>= char (life-life-char))
|
||||
(increment living-neighbors)))
|
||||
(setq list (cdr list)))
|
||||
(if (memq living-neighbors '(2 3))
|
||||
()
|
||||
(subst-char-in-region pivot (1+ pivot)
|
||||
(life-life-char) (life-death-char) t))))
|
||||
(if (null (match-beginning 0))
|
||||
(life-extinct-quit))
|
||||
(subst-char-in-region 1 (point-max) 9 (life-void-char) t)
|
||||
(subst-char-in-region 1 (point-max) 1 (life-void-char) t)
|
||||
(subst-char-in-region 1 (point-max) 2 (life-void-char) t)
|
||||
(subst-char-in-region 1 (point-max) (life-birth-char) (life-life-char) t)
|
||||
(subst-char-in-region 1 (point-max) (life-death-char) (life-void-char) t))
|
||||
|
||||
(defun life-expand-plane-if-needed ()
|
||||
(catch 'done
|
||||
(goto-beginning-of-buffer)
|
||||
(while (not (eobp))
|
||||
;; check for life at beginning or end of line. If found at
|
||||
;; either end, expand at both ends,
|
||||
(cond ((or (eq (following-char) (life-life-char))
|
||||
(eq (progn (end-of-line) (preceding-char)) (life-life-char)))
|
||||
(goto-beginning-of-buffer)
|
||||
(while (not (eobp))
|
||||
(insert (life-void-char))
|
||||
(end-of-line)
|
||||
(insert (life-void-char))
|
||||
(forward-char))
|
||||
(setq fill-column (+ 2 fill-column))
|
||||
(scroll-left 1)
|
||||
(life-compute-neighbor-deltas)
|
||||
(throw 'done t)))
|
||||
(forward-line)))
|
||||
(goto-beginning-of-buffer)
|
||||
;; check for life within the first two lines of the buffer.
|
||||
;; If present insert two lifeless lines at the beginning..
|
||||
(cond ((search-forward (life-life-string)
|
||||
(+ (point) fill-column fill-column 2) t)
|
||||
(goto-beginning-of-buffer)
|
||||
(insert-char (life-void-char) fill-column)
|
||||
(insert ?\n)
|
||||
(insert-char (life-void-char) fill-column)
|
||||
(insert ?\n)
|
||||
(setq life-window-start (+ life-window-start fill-column 1))))
|
||||
(goto-end-of-buffer)
|
||||
;; check for life within the last two lines of the buffer.
|
||||
;; If present insert two lifeless lines at the end.
|
||||
(cond ((search-backward (life-life-string)
|
||||
(- (point) fill-column fill-column 2) t)
|
||||
(goto-end-of-buffer)
|
||||
(insert-char (life-void-char) fill-column)
|
||||
(insert ?\n)
|
||||
(insert-char (life-void-char) fill-column)
|
||||
(insert ?\n)
|
||||
(setq life-window-start (+ life-window-start fill-column 1)))))
|
||||
|
||||
(defun life-display-generation (sleeptime)
|
||||
(goto-char life-window-start)
|
||||
(recenter 0)
|
||||
(sit-for sleeptime))
|
||||
|
||||
(defun life-extinct-quit ()
|
||||
(life-display-generation 0)
|
||||
(signal 'life-extinct nil))
|
||||
|
||||
(put 'life-extinct 'error-conditions '(life-extinct quit))
|
||||
(put 'life-extinct 'error-message "All life has perished")
|
||||
|
||||
|
Loading…
Add table
Reference in a new issue