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1224 lines
38 KiB
EmacsLisp
1224 lines
38 KiB
EmacsLisp
;;; ps-mode.el --- PostScript mode for GNU Emacs
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;; Copyright (C) 1999 Free Software Foundation, Inc.
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;; Author: Peter Kleiweg <kleiweg@let.rug.nl>
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;; Maintainer: Peter Kleiweg <kleiweg@let.rug.nl>
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;; Created: 20 Aug 1997
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;; Version: 1.1e, 11 Nov 1999
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;; Keywords: PostScript, languages
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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., 59 Temple Place - Suite 330,
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;; Boston, MA 02111-1307, USA.
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;;; Commentary:
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;;; Code:
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(defconst ps-mode-version "1.1e, 11 Nov 1999")
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(defconst ps-mode-maintainer-address "Peter Kleiweg <kleiweg@let.rug.nl>")
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(require 'easymenu)
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;; Define core `PostScript' group.
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(defgroup PostScript nil
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"PostScript mode for Emacs."
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:group 'languages)
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(defgroup PostScript-edit nil
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"PostScript editing."
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:prefix "ps-mode-"
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:group 'PostScript)
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(defgroup PostScript-interaction nil
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"PostScript interaction."
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:prefix "ps-run-"
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:group 'PostScript)
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;; User variables.
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(defcustom ps-mode-auto-indent t
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"*Should we use autoindent?"
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:group 'PostScript-edit
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:type 'boolean)
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(defcustom ps-mode-tab 4
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"*Number of spaces to use when indenting."
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:group 'PostScript-edit
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:type 'integer)
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(defcustom ps-mode-paper-size '(595 842)
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"*Default paper size.
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When inserting an EPSF template these values are used
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to set the boundingbox to include the whole page.
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When the figure is finished these values should be replaced."
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:group 'PostScript-edit
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:type '(choice
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(const :tag "letter" (612 792))
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(const :tag "legal" (612 1008))
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(const :tag "a0" (2380 3368))
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(const :tag "a1" (1684 2380))
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(const :tag "a2" (1190 1684))
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(const :tag "a3" (842 1190))
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(const :tag "a4" (595 842))
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(const :tag "a5" (421 595))
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(const :tag "a6" (297 421))
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(const :tag "a7" (210 297))
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(const :tag "a8" (148 210))
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(const :tag "a9" (105 148))
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(const :tag "a10" (74 105))
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(const :tag "b0" (2836 4008))
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(const :tag "b1" (2004 2836))
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(const :tag "b2" (1418 2004))
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(const :tag "b3" (1002 1418))
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(const :tag "b4" (709 1002))
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(const :tag "b5" (501 709))
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(const :tag "archE" (2592 3456))
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(const :tag "archD" (1728 2592))
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(const :tag "archC" (1296 1728))
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(const :tag "archB" (864 1296))
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(const :tag "archA" (648 864))
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(const :tag "flsa" (612 936))
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(const :tag "flse" (612 936))
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(const :tag "halfletter" (396 612))
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(const :tag "11x17" (792 1224))
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(const :tag "tabloid" (792 1224))
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(const :tag "ledger" (1224 792))
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(const :tag "csheet" (1224 1584))
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(const :tag "dsheet" (1584 2448))
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(const :tag "esheet" (2448 3168))))
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(defcustom ps-mode-print-function
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'(lambda ()
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(let ((lpr-switches nil)
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(lpr-command (if (memq system-type '(usg-unix-v dgux hpux irix))
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"lp" "lpr")))
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(lpr-buffer)))
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"*Lisp function to print current buffer as PostScript."
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:group 'PostScript-edit
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:type 'function)
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(defcustom ps-run-prompt "\\(GS\\(<[0-9]+\\)?>\\)+"
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"*Regexp to match prompt in interactive PostScript."
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:group 'PostScript-interaction
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:type 'regexp)
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(defcustom ps-run-font-lock-keywords-2
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(append (unless (string= ps-run-prompt "")
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(list (list (if (= ?^ (string-to-char ps-run-prompt))
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ps-run-prompt
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(concat "^" ps-run-prompt))
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'(0 font-lock-function-name-face nil nil))))
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'((">>showpage, press <return> to continue<<"
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(0 font-lock-keyword-face nil nil))
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("^\\(Error\\|Can't\\).*"
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(0 font-lock-warning-face nil nil))
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("^\\(Current file position is\\) \\([0-9]+\\)"
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(1 font-lock-comment-face nil nil)
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(2 font-lock-warning-face nil nil))))
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"*Medium level highlighting of messages from the PostScript interpreter.
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See documentation on font-lock for details."
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:group 'PostScript-interaction
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:type '(repeat (list :tag "Expression with one or more highlighters"
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:value ("" (0 default nil t))
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(regexp :tag "Expression")
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(repeat :tag "Highlighters"
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:inline regexp
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(list :tag "Highlighter"
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(integer :tag "Subexp")
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face
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(boolean :tag "Override")
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(boolean :tag "Laxmatch" :value t))))))
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(defcustom ps-run-x '("gs" "-r72" "-sPAPERSIZE=a4")
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"*Command as list to run PostScript with graphic display."
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:group 'PostScript-interaction
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:type '(repeat string))
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(defcustom ps-run-dumb '("gs" "-dNODISPLAY")
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"*Command as list to run PostScript without graphic display."
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:group 'PostScript-interaction
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:type '(repeat string))
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(defcustom ps-run-init nil
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"*String of commands to send to PostScript to start interactive.
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Example: \"executive\"
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You won't need to set this option for Ghostscript.
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"
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:group 'PostScript-interaction
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:type '(choice (const nil) string))
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(defcustom ps-run-error-line-numbers nil
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"*What values are used by the PostScript interpreter in error messages?"
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:group 'PostScript-interaction
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:type '(choice (const :tag "line numbers" t)
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(const :tag "byte counts" nil)))
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(defcustom ps-run-tmp-dir nil
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"*Name of directory to place temporary file.
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If nil, the following are tried in turn, until success:
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1. \"$TEMP\"
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2. \"$TMP\"
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3. \"$HOME/tmp\"
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4. \"/tmp\"
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"
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:group 'PostScript-interaction
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:type '(choice (const nil) directory))
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;; Constants used for font-lock.
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;; Only a small set of the PostScript operators is selected for fontification.
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;; Fontification is meant to clarify the document structure and process flow,
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;; fontifying all known PostScript operators would hinder that objective.
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(defconst ps-mode-operators
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(let ((ops '("clear" "mark" "cleartomark" "counttomark"
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"forall"
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"dict" "begin" "end" "def"
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"true" "false"
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"exec" "if" "ifelse" "for" "repeat" "loop" "exit"
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"stop" "stopped" "countexecstack" "execstack"
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"quit" "start"
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"save" "restore"
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"bind" "null"
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"gsave" "grestore" "grestoreall"
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"showpage")))
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(concat "\\<" (regexp-opt ops t) "\\>"))
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"Regexp of PostScript operators that will be fontified")
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;; Level 1 font-lock:
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;; - Special comments (reference face)
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;; - Strings and other comments
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;; - Partial strings (warning face)
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;; - 8bit characters (warning face)
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;; Multiline strings are not supported. Strings with nested brackets are.
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(defconst ps-mode-font-lock-keywords-1
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'(("\\`%!PS.*" . font-lock-reference-face)
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("^%%BoundingBox:[ \t]+-?[0-9]+[ \t]+-?[0-9]+[ \t]+-?[0-9]+[ \t]+-?[0-9]+[ \t]*$"
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. font-lock-reference-face)
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(ps-mode-match-string-or-comment
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(1 font-lock-comment-face nil t)
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(2 font-lock-string-face nil t))
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("([^()\n%]*\\|[^()\n]*)" . font-lock-warning-face)
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("[\200-\377]+" (0 font-lock-warning-face prepend nil)))
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"Subdued level highlighting for PostScript mode.")
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;; Level 2 font-lock:
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;; - All from level 1
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;; - PostScript operators (keyword face)
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(defconst ps-mode-font-lock-keywords-2
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(append
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ps-mode-font-lock-keywords-1
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(list
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(cons
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;; exclude names prepended by `/'
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(concat "\\(^\\|[^/\n]\\)" ps-mode-operators)
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'(2 font-lock-keyword-face))))
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"Medium level highlighting for PostScript mode.")
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;; Level 3 font-lock:
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;; - All from level 2
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;; - Immediately evaluated names: those starting with `//' (type face)
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;; - Names that look like they are used for the definition of:
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;; * a function
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;; * an array
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;; * a dictionary
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;; * a "global" variable
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;; (function name face)
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;; - Other names (variable name face)
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;; The rules used to determine what names fit in the first category are:
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;; - Only names that are at the left margin, and one of these on the same line:
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;; * Nothing after the name except possibly one or more `[' or a comment
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;; * A `{' or `<<' or `[0-9]+ dict' following the name
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;; * A `def' somewhere in the same line
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;; Names are fontified before PostScript operators, allowing the use of
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;; a more simple (efficient) regexp than the one used in level 2.
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(defconst ps-mode-font-lock-keywords-3
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(append
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ps-mode-font-lock-keywords-1
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(list
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'("//\\w+" . font-lock-type-face)
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'("^\\(/\\w+\\)\\>[[ \t]*\\(%.*\\)?\r?$"
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. (1 font-lock-function-name-face))
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'("^\\(/\\w+\\)\\>\\([ \t]*{\\|[ \t]*<<\\|.*\\<def\\>\\|[ \t]+[0-9]+[ \t]+dict\\>\\)"
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. (1 font-lock-function-name-face))
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'("/\\w+" . font-lock-variable-name-face)
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(cons ps-mode-operators 'font-lock-keyword-face)))
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"High level highliting for PostScript mode.")
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(defconst ps-mode-font-lock-keywords ps-mode-font-lock-keywords-1
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"Default expressions to highlight in PostScript mode.")
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;; Level 1 font-lock for ps-run-mode
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;; - prompt (function name face)
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(defconst ps-run-font-lock-keywords-1
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(unless (string= "" ps-run-prompt)
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(list (cons (if (= ?^ (string-to-char ps-run-prompt))
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ps-run-prompt
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(concat "^" ps-run-prompt))
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'font-lock-function-name-face)))
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"Subdued level highlighting for PostScript run mode.")
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(defconst ps-run-font-lock-keywords ps-run-font-lock-keywords-1
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"Default expressions to highlight in PostScript run mode.")
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;; Variables.
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(defvar ps-mode-map nil
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"Local keymap to use in PostScript mode.")
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(defvar ps-mode-syntax-table nil
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"Syntax table used while in PostScript mode.")
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(defvar ps-run-mode-map nil
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"Local keymap to use in PostScript run mode.")
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(defvar ps-mode-tmp-file nil
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"Name of temporary file, set by `ps-run'.")
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(defvar ps-run-mark nil
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"Mark to start of region that was sent to PostScript interpreter.")
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(defvar ps-run-parent nil
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"Parent window of interactive PostScript.")
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;; Menu
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(defconst ps-mode-menu-main
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'("PostScript"
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["EPSF Template, Sparse" ps-mode-epsf-sparse t]
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["EPSF Template, Rich" ps-mode-epsf-rich t]
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"---"
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("Cookbook"
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["RE" ps-mode-RE t]
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["ISOLatin1Extended" ps-mode-latin-extended t]
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["center" ps-mode-center t]
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["right" ps-mode-right t]
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["Heapsort" ps-mode-heapsort t])
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("Fonts (1)"
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["Times-Roman" (insert "/Times-Roman ") t]
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["Times-Bold" (insert "/Times-Bold ") t]
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["Times-Italic" (insert "/Times-Italic ") t]
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["Times-BoldItalic" (insert "/Times-BoldItalic ") t]
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["Helvetica" (insert "/Helvetica ") t]
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["Helvetica-Bold" (insert "/Helvetica-Bold ") t]
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["Helvetica-Oblique" (insert "/Helvetica-Oblique ") t]
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["Helvetica-BoldOblique" (insert "/Helvetica-BoldOblique ") t]
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["Courier" (insert "/Courier ") t]
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["Courier-Bold" (insert "/Courier-Bold ") t]
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["Courier-Oblique" (insert "/Courier-Oblique ") t]
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["Courier-BoldOblique" (insert "/Courier-BoldOblique ") t]
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["Symbol" (insert "/Symbol") t ])
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("Fonts (2)"
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["AvantGarde-Book" (insert "/AvantGarde-Book ") t]
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["AvantGarde-Demi" (insert "/AvantGarde-Demi ") t]
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["AvantGarde-BookOblique" (insert "/AvantGarde-BookOblique ") t]
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["AvantGarde-DemiOblique" (insert "/AvantGarde-DemiOblique ") t]
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["Bookman-Light" (insert "/Bookman-Light ") t]
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["Bookman-Demi" (insert "/Bookman-Demi ") t]
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["Bookman-LightItalic" (insert "/Bookman-LightItalic ") t]
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["Bookman-DemiItalic" (insert "/Bookman-DemiItalic ") t]
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["Helvetica-Narrow" (insert "/Helvetica-Narrow ") t]
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["Helvetica-Narrow-Bold" (insert "/Helvetica-Narrow-Bold ") t]
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["Helvetica-Narrow-Oblique" (insert "/Helvetica-Narrow-Oblique ") t]
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["Helvetica-Narrow-BoldOblique" (insert "/Helvetica-Narrow-BoldOblique ") t]
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["NewCenturySchlbk-Roman" (insert "/NewCenturySchlbk-Roman ") t]
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["NewCenturySchlbk-Bold" (insert "/NewCenturySchlbk-Bold ") t]
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["NewCenturySchlbk-Italic" (insert "/NewCenturySchlbk-Italic ") t]
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["NewCenturySchlbk-BoldItalic" (insert "/NewCenturySchlbk-BoldItalic ") t]
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["Palatino-Roman" (insert "/Palatino-Roman ") t]
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["Palatino-Bold" (insert "/Palatino-Bold ") t]
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["Palatino-Italic" (insert "/Palatino-Italic ") t]
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["Palatino-BoldItalic" (insert "/Palatino-BoldItalic ") t]
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["ZapfChancery-MediumItalic" (insert "/ZapfChancery-MediumItalic ") t]
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["ZapfDingbats" (insert "/ZapfDingbats ") t])
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"---"
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["Comment Out Region" ps-mode-comment-out-region (mark t)]
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["Uncomment Region" ps-mode-uncomment-region (mark t)]
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"---"
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["8-bit to Octal Buffer" ps-mode-octal-buffer t]
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["8-bit to Octal Region" ps-mode-octal-region (mark t)]
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"---"
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("Auto Indent"
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["On" (setq ps-mode-auto-indent t) (not ps-mode-auto-indent)]
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["Off" (setq ps-mode-auto-indent nil) ps-mode-auto-indent])
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"---"
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["Start PostScript"
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ps-run-start
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t]
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["Quit PostScript" ps-run-quit (process-status "ps-run")]
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["Kill PostScript" ps-run-kill (process-status "ps-run")]
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["Send Buffer to Interpreter"
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ps-run-buffer
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(process-status "ps-run")]
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["Send Region to Interpreter"
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ps-run-region
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(and (mark t) (process-status "ps-run"))]
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["Send Newline to Interpreter"
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ps-mode-other-newline
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(process-status "ps-run")]
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["View BoundingBox"
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ps-run-boundingbox
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(process-status "ps-run")]
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["Clear/Reset PostScript Graphics"
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ps-run-clear
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(process-status "ps-run")]
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"---"
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["Print Buffer as PostScript"
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ps-mode-print-buffer
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t]
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["Print Region as PostScript"
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ps-mode-print-region
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(mark t)]
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"---"
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["Customize for PostScript"
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(customize-group "PostScript")
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t]
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"---"
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["Submit Bug Report"
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ps-mode-submit-bug-report
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t]))
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;; Mode maps for PostScript edit mode and PostScript interaction mode.
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(unless ps-mode-map
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(setq ps-mode-map (make-sparse-keymap))
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(define-key ps-mode-map "\C-cv" 'ps-mode-show-version)
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(define-key ps-mode-map "\C-c\C-v" 'ps-run-boundingbox)
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(define-key ps-mode-map "\C-c\C-u" 'ps-mode-uncomment-region)
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(define-key ps-mode-map "\C-c\C-t" 'ps-mode-epsf-rich)
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(define-key ps-mode-map "\C-c\C-s" 'ps-run-start)
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(define-key ps-mode-map "\C-c\C-r" 'ps-run-region)
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(define-key ps-mode-map "\C-c\C-q" 'ps-run-quit)
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(define-key ps-mode-map "\C-c\C-p" 'ps-mode-print-buffer)
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(define-key ps-mode-map "\C-c\C-o" 'ps-mode-comment-out-region)
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(define-key ps-mode-map "\C-c\C-k" 'ps-run-kill)
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(define-key ps-mode-map "\C-c\C-j" 'ps-mode-other-newline)
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(define-key ps-mode-map "\C-c\C-c" 'ps-run-clear)
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(define-key ps-mode-map "\C-c\C-b" 'ps-run-buffer)
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(define-key ps-mode-map ">" 'ps-mode-r-gt)
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(define-key ps-mode-map "]" 'ps-mode-r-angle)
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(define-key ps-mode-map "}" 'ps-mode-r-brace)
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(define-key ps-mode-map "\177" 'ps-mode-backward-delete-char)
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(define-key ps-mode-map "\t" 'ps-mode-tabkey)
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(define-key ps-mode-map "\r" 'ps-mode-newline)
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(define-key ps-mode-map [return] 'ps-mode-newline)
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(easy-menu-define ps-mode-main ps-mode-map "PostScript" ps-mode-menu-main))
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(unless ps-run-mode-map
|
||
(setq ps-run-mode-map (make-sparse-keymap))
|
||
(define-key ps-run-mode-map "\C-c\C-q" 'ps-run-quit)
|
||
(define-key ps-run-mode-map "\C-c\C-k" 'ps-run-kill)
|
||
(define-key ps-run-mode-map "\C-c\C-e" 'ps-run-goto-error)
|
||
(define-key ps-run-mode-map [mouse-2] 'ps-run-mouse-goto-error)
|
||
(define-key ps-run-mode-map "\r" 'ps-run-newline)
|
||
(define-key ps-run-mode-map [return] 'ps-run-newline))
|
||
|
||
|
||
;; Syntax table.
|
||
|
||
(unless ps-mode-syntax-table
|
||
(setq ps-mode-syntax-table (make-syntax-table))
|
||
|
||
(modify-syntax-entry ?\% "< " ps-mode-syntax-table)
|
||
(modify-syntax-entry ?\n "> " ps-mode-syntax-table)
|
||
(modify-syntax-entry ?\r "> " ps-mode-syntax-table)
|
||
(modify-syntax-entry ?\f "> " ps-mode-syntax-table)
|
||
(modify-syntax-entry ?\< "(>" ps-mode-syntax-table)
|
||
(modify-syntax-entry ?\> ")<" ps-mode-syntax-table)
|
||
|
||
(modify-syntax-entry ?\! "w " ps-mode-syntax-table)
|
||
(modify-syntax-entry ?\" "w " ps-mode-syntax-table)
|
||
(modify-syntax-entry ?\# "w " ps-mode-syntax-table)
|
||
(modify-syntax-entry ?\$ "w " ps-mode-syntax-table)
|
||
(modify-syntax-entry ?\& "w " ps-mode-syntax-table)
|
||
(modify-syntax-entry ?\' "w " ps-mode-syntax-table)
|
||
(modify-syntax-entry ?\* "w " ps-mode-syntax-table)
|
||
(modify-syntax-entry ?\+ "w " ps-mode-syntax-table)
|
||
(modify-syntax-entry ?\, "w " ps-mode-syntax-table)
|
||
(modify-syntax-entry ?\- "w " ps-mode-syntax-table)
|
||
(modify-syntax-entry ?\. "w " ps-mode-syntax-table)
|
||
(modify-syntax-entry ?\: "w " ps-mode-syntax-table)
|
||
(modify-syntax-entry ?\; "w " ps-mode-syntax-table)
|
||
(modify-syntax-entry ?\= "w " ps-mode-syntax-table)
|
||
(modify-syntax-entry ?\? "w " ps-mode-syntax-table)
|
||
(modify-syntax-entry ?\@ "w " ps-mode-syntax-table)
|
||
(modify-syntax-entry ?\\ "w " ps-mode-syntax-table)
|
||
(modify-syntax-entry ?^ "w " ps-mode-syntax-table) ; NOT: ?\^
|
||
(modify-syntax-entry ?\_ "w " ps-mode-syntax-table)
|
||
(modify-syntax-entry ?\` "w " ps-mode-syntax-table)
|
||
(modify-syntax-entry ?\| "w " ps-mode-syntax-table)
|
||
(modify-syntax-entry ?\~ "w " ps-mode-syntax-table)
|
||
|
||
(let ((i 128))
|
||
(while (< i 256)
|
||
(modify-syntax-entry i "w " ps-mode-syntax-table)
|
||
(setq i (1+ i)))))
|
||
|
||
|
||
;; PostScript mode.
|
||
|
||
;;;###autoload
|
||
(defun ps-mode ()
|
||
"Major mode for editing PostScript with GNU Emacs.
|
||
|
||
Entry to this mode calls `ps-mode-hook'.
|
||
|
||
The following variables hold user options, and can
|
||
be set through the `customize' command:
|
||
|
||
ps-mode-auto-indent
|
||
ps-mode-tab
|
||
ps-mode-paper-size
|
||
ps-mode-print-function
|
||
ps-run-prompt
|
||
ps-run-font-lock-keywords-2
|
||
ps-run-x
|
||
ps-run-dumb
|
||
ps-run-init
|
||
ps-run-error-line-numbers
|
||
ps-run-tmp-dir
|
||
|
||
Type \\[describe-variable] for documentation on these options.
|
||
|
||
|
||
\\{ps-mode-map}
|
||
|
||
|
||
When starting an interactive PostScript process with \\[ps-run-start],
|
||
a second window will be displayed, and `ps-run-mode-hook' will be called.
|
||
The keymap for this second window is:
|
||
|
||
\\{ps-run-mode-map}
|
||
|
||
|
||
When Ghostscript encounters an error it displays an error message
|
||
with a file position. Clicking mouse-2 on this number will bring
|
||
point to the corresponding spot in the PostScript window, if input
|
||
to the interpreter was sent from that window.
|
||
Typing \\<ps-run-mode-map>\\[ps-run-goto-error] when the cursor is at the number has the same effect.
|
||
"
|
||
(interactive)
|
||
(kill-all-local-variables)
|
||
(make-local-variable 'font-lock-defaults)
|
||
(setq font-lock-defaults '((ps-mode-font-lock-keywords
|
||
ps-mode-font-lock-keywords-1
|
||
ps-mode-font-lock-keywords-2
|
||
ps-mode-font-lock-keywords-3)
|
||
t)
|
||
major-mode 'ps-mode
|
||
mode-name "PostScript")
|
||
(use-local-map ps-mode-map)
|
||
(set-syntax-table ps-mode-syntax-table)
|
||
(set (make-local-variable 'comment-start) "%")
|
||
(set (make-local-variable 'comment-start-skip)
|
||
"\\(\\(^\\|[^\\]\\)\\(\\\\\\\\\\)*\\)\\(%+ *\\)")
|
||
(run-hooks 'ps-mode-hook))
|
||
|
||
(defun ps-mode-show-version ()
|
||
"Show current version of PostScript mode"
|
||
(interactive)
|
||
(message " *** PostScript Mode (ps-mode) Version %s *** " ps-mode-version))
|
||
|
||
(defun ps-mode-submit-bug-report ()
|
||
"Submit via mail a bug report on PostScript mode"
|
||
(interactive)
|
||
(when (y-or-n-p "Submit bug report on PostScript mode? ")
|
||
(let ((reporter-prompt-for-summary-p nil)
|
||
(reporter-dont-compact-list '(ps-mode-print-function
|
||
ps-run-font-lock-keywords-2)))
|
||
(reporter-submit-bug-report
|
||
ps-mode-maintainer-address
|
||
(format "ps-mode.el %s [%s]" ps-mode-version system-type)
|
||
'(ps-mode-auto-indent
|
||
ps-mode-tab
|
||
ps-mode-paper-size
|
||
ps-mode-print-function
|
||
ps-run-prompt
|
||
ps-run-font-lock-keywords-2
|
||
ps-run-x
|
||
ps-run-dumb
|
||
ps-run-init
|
||
ps-run-error-line-numbers
|
||
ps-run-tmp-dir)))))
|
||
|
||
|
||
;; Helper functions for font-lock.
|
||
|
||
;; When this function is called, point is at an opening bracket.
|
||
;; This function should test if point is at the start of a string
|
||
;; with nested brackets.
|
||
;; If true: move point to end of string
|
||
;; set string to match data nr 2
|
||
;; return new point
|
||
;; If false: return nil
|
||
(defun ps-mode-looking-at-nested (limit)
|
||
(let ((first (point))
|
||
(level 1)
|
||
pos)
|
||
;; Move past opening bracket.
|
||
(forward-char 1)
|
||
(setq pos (point))
|
||
(while (and (> level 0) (< pos limit))
|
||
;; Search next bracket, stepping over escaped brackets.
|
||
(if (not (looking-at "\\([^()\\\n]\\|\\\\.\\)*\\([()]\\)"))
|
||
(setq level -1)
|
||
(if (string= "(" (match-string 2))
|
||
(setq level (1+ level))
|
||
(setq level (1- level)))
|
||
(goto-char (setq pos (match-end 0)))))
|
||
(if (not (= level 0))
|
||
nil
|
||
;; Found string with nested brackets, now set match data nr 2.
|
||
(goto-char first)
|
||
(re-search-forward "\\(%\\)\\|\\((.*\\)" pos))))
|
||
|
||
;; This function should search for a string or comment
|
||
;; If comment, return as match data nr 1
|
||
;; If string, return as match data nr 2
|
||
(defun ps-mode-match-string-or-comment (limit)
|
||
;; Find the first potential match.
|
||
(if (not (re-search-forward "[%(]" limit t))
|
||
;; Nothing found: return failure.
|
||
nil
|
||
(let (end)
|
||
(goto-char (match-beginning 0))
|
||
(setq end (match-end 0))
|
||
(cond ((looking-at "\\(%.*\\)\\|\\((\\([^()\\\n]\\|\\\\.\\)*)\\)")
|
||
;; It's a comment or string without nested, unescaped brackets.
|
||
(goto-char (match-end 0))
|
||
(point))
|
||
((ps-mode-looking-at-nested limit)
|
||
;; It's a string with nested brackets.
|
||
(point))
|
||
(t
|
||
;; Try next match.
|
||
(goto-char end)
|
||
(ps-mode-match-string-or-comment limit))))))
|
||
|
||
|
||
;; Key-handlers.
|
||
|
||
(defun ps-mode-target-column ()
|
||
"To what column should text on current line be indented?
|
||
|
||
Identation is increased if the last token on the current line
|
||
defines the beginning of a group. These tokens are: { [ <<"
|
||
(save-excursion
|
||
(beginning-of-line)
|
||
(if (looking-at "[ \t]*\\(}\\|\\]\\|>>\\)")
|
||
(condition-case err
|
||
(progn
|
||
(goto-char (match-end 0))
|
||
(backward-sexp 1)
|
||
(beginning-of-line)
|
||
(if (looking-at "[ \t]+")
|
||
(goto-char (match-end 0)))
|
||
(current-column))
|
||
(error
|
||
(ding)
|
||
(message (error-message-string err))
|
||
0))
|
||
(let (target)
|
||
(if (not (re-search-backward "[^ \t\n\r\f][ \t\n\r\f]*\\=" nil t))
|
||
0
|
||
(goto-char (match-beginning 0))
|
||
(beginning-of-line)
|
||
(if (looking-at "[ \t]+")
|
||
(goto-char (match-end 0)))
|
||
(setq target (current-column))
|
||
(end-of-line)
|
||
(if (re-search-backward "\\({\\|\\[\\|<<\\)[ \t]*\\(%[^\n]*\\)?\\=" nil t)
|
||
(setq target (+ target ps-mode-tab)))
|
||
target)))))
|
||
|
||
(defun ps-mode-newline ()
|
||
"Insert newline with proper indentation."
|
||
(interactive)
|
||
(delete-horizontal-space)
|
||
(insert "\n")
|
||
(if ps-mode-auto-indent
|
||
(indent-to (ps-mode-target-column))))
|
||
|
||
(defun ps-mode-tabkey ()
|
||
"Indent/reindent current line, or insert tab"
|
||
(interactive)
|
||
(let ((column (current-column))
|
||
target)
|
||
(if (or (not ps-mode-auto-indent)
|
||
(< ps-mode-tab 1)
|
||
(not (re-search-backward "^[ \t]*\\=" nil t)))
|
||
(insert "\t")
|
||
(setq target (ps-mode-target-column))
|
||
(while (<= target column)
|
||
(setq target (+ target ps-mode-tab)))
|
||
(delete-horizontal-space)
|
||
(indent-to target))))
|
||
|
||
(defun ps-mode-backward-delete-char ()
|
||
"Delete backward indentation, or delete backward character"
|
||
(interactive)
|
||
(let ((column (current-column))
|
||
target)
|
||
(if (or (not ps-mode-auto-indent)
|
||
(< ps-mode-tab 1)
|
||
(not (re-search-backward "^[ \t]+\\=" nil t)))
|
||
(delete-backward-char 1)
|
||
(setq target (ps-mode-target-column))
|
||
(while (> column target)
|
||
(setq target (+ target ps-mode-tab)))
|
||
(while (>= target column)
|
||
(setq target (- target ps-mode-tab)))
|
||
(if (< target 0)
|
||
(setq target 0))
|
||
(delete-horizontal-space)
|
||
(indent-to target))))
|
||
|
||
(defun ps-mode-r-brace ()
|
||
"Insert `}' and perform balance."
|
||
(interactive)
|
||
(insert "}")
|
||
(ps-mode-r-balance "}"))
|
||
|
||
(defun ps-mode-r-angle ()
|
||
"Insert `]' and perform balance."
|
||
(interactive)
|
||
(insert "]")
|
||
(ps-mode-r-balance "]"))
|
||
|
||
(defun ps-mode-r-gt ()
|
||
"Insert `>' and perform balance."
|
||
(interactive)
|
||
(insert ">")
|
||
(ps-mode-r-balance ">>"))
|
||
|
||
(defun ps-mode-r-balance (right)
|
||
"Adjust indentification if point after RIGHT."
|
||
(if ps-mode-auto-indent
|
||
(save-excursion
|
||
(when (re-search-backward (concat "^[ \t]*" (regexp-quote right) "\\=") nil t)
|
||
(delete-horizontal-space)
|
||
(indent-to (ps-mode-target-column)))))
|
||
(blink-matching-open))
|
||
|
||
(defun ps-mode-other-newline ()
|
||
"Perform newline in `*ps run*' buffer"
|
||
(interactive)
|
||
(let ((buf (current-buffer)))
|
||
(set-buffer "*ps run*")
|
||
(ps-run-newline)
|
||
(set-buffer buf)))
|
||
|
||
|
||
;; Print PostScript.
|
||
|
||
(defun ps-mode-print-buffer ()
|
||
"Print buffer as PostScript"
|
||
(interactive)
|
||
(eval (list ps-mode-print-function)))
|
||
|
||
(defun ps-mode-print-region (begin end)
|
||
"Print region as PostScript, adding minimal header and footer lines:
|
||
|
||
%!PS
|
||
<region>
|
||
showpage
|
||
"
|
||
(interactive "r")
|
||
(let ((oldbuf (current-buffer))
|
||
(tmpbuf (get-buffer-create "*ps print*")))
|
||
(copy-to-buffer tmpbuf begin end)
|
||
(set-buffer tmpbuf)
|
||
(goto-char 1)
|
||
(insert "%!PS\n")
|
||
(goto-char (point-max))
|
||
(insert "\nshowpage\n")
|
||
(eval (list ps-mode-print-function))
|
||
(set-buffer oldbuf)
|
||
(kill-buffer tmpbuf)))
|
||
|
||
|
||
;; Comment Out / Uncomment.
|
||
|
||
(defun ps-mode-comment-out-region (begin end)
|
||
"Comment out region."
|
||
(interactive "r")
|
||
(let ((endm (make-marker)))
|
||
(set-marker endm end)
|
||
(save-excursion
|
||
(goto-char begin)
|
||
(if (= (current-column) 0)
|
||
(insert "%"))
|
||
(while (and (= (forward-line) 0)
|
||
(< (point) (marker-position endm)))
|
||
(insert "%")))
|
||
(set-marker endm nil)))
|
||
|
||
(defun ps-mode-uncomment-region (begin end)
|
||
"Uncomment region.
|
||
|
||
Only one `%' is removed, and it has to be in the first column."
|
||
(interactive "r")
|
||
(let ((endm (make-marker)))
|
||
(set-marker endm end)
|
||
(save-excursion
|
||
(goto-char begin)
|
||
(if (looking-at "^%")
|
||
(delete-char 1))
|
||
(while (and (= (forward-line) 0)
|
||
(< (point) (marker-position endm)))
|
||
(if (looking-at "%")
|
||
(delete-char 1))))
|
||
(set-marker endm nil)))
|
||
|
||
|
||
;; Convert 8-bit to octal codes.
|
||
|
||
(defun ps-mode-octal-buffer ()
|
||
"Change 8-bit characters to octal codes in buffer."
|
||
(interactive)
|
||
(ps-mode-octal-region (point-min) (point-max)))
|
||
|
||
(defun ps-mode-octal-region (begin end)
|
||
"Change 8-bit characters to octal codes in region."
|
||
(interactive "r")
|
||
(if buffer-read-only
|
||
(progn
|
||
(ding)
|
||
(message "Buffer is read only"))
|
||
(save-excursion
|
||
(let (endm i)
|
||
(setq endm (make-marker))
|
||
(set-marker endm end)
|
||
(goto-char begin)
|
||
(setq i 0)
|
||
(while (re-search-forward "[\200-\377]" (marker-position endm) t)
|
||
(setq i (1+ i))
|
||
(backward-char)
|
||
(insert (format "\\%03o" (string-to-char (buffer-substring (point) (1+ (point))))))
|
||
(delete-char 1))
|
||
(message "%d change%s made" i (if (= i 1) "" "s"))
|
||
(set-marker endm nil)))))
|
||
|
||
|
||
;; Cookbook.
|
||
|
||
(defun ps-mode-center ()
|
||
"Insert function /center."
|
||
(interactive)
|
||
(insert "
|
||
/center {
|
||
dup stringwidth
|
||
exch 2 div neg
|
||
exch 2 div neg
|
||
rmoveto
|
||
} bind def
|
||
"))
|
||
|
||
(defun ps-mode-right ()
|
||
"Insert function /right."
|
||
(interactive)
|
||
(insert "
|
||
/right {
|
||
dup stringwidth
|
||
exch neg
|
||
exch neg
|
||
rmoveto
|
||
} bind def
|
||
"))
|
||
|
||
(defun ps-mode-RE ()
|
||
"Insert function /RE."
|
||
(interactive)
|
||
(insert "
|
||
% `new-font-name' `encoding-vector' `old-font-name' RE -
|
||
/RE {
|
||
findfont
|
||
dup maxlength dict begin {
|
||
1 index /FID ne { def } { pop pop } ifelse
|
||
} forall
|
||
/Encoding exch def
|
||
dup /FontName exch def
|
||
currentdict end definefont pop
|
||
} bind def
|
||
"))
|
||
|
||
(defun ps-mode-latin-extended ()
|
||
"Insert array /ISOLatin1Extended.
|
||
|
||
This encoding vector contains all the entries from ISOLatin1Encoding
|
||
plus the usually uncoded characters inserted on positions 1 through 28.
|
||
"
|
||
(interactive)
|
||
(insert "
|
||
% ISOLatin1Encoding, extended with remaining uncoded glyphs
|
||
/ISOLatin1Extended [
|
||
/.notdef /Lslash /lslash /OE /oe /Scaron /scaron /Zcaron /zcaron
|
||
/Ydieresis /trademark /bullet /dagger /daggerdbl /ellipsis /emdash
|
||
/endash /fi /fl /florin /fraction /guilsinglleft /guilsinglright
|
||
/perthousand /quotedblbase /quotedblleft /quotedblright
|
||
/quotesinglbase /quotesingle /.notdef /.notdef /.notdef /space
|
||
/exclam /quotedbl /numbersign /dollar /percent /ampersand
|
||
/quoteright /parenleft /parenright /asterisk /plus /comma /minus
|
||
/period /slash /zero /one /two /three /four /five /six /seven /eight
|
||
/nine /colon /semicolon /less /equal /greater /question /at /A /B /C
|
||
/D /E /F /G /H /I /J /K /L /M /N /O /P /Q /R /S /T /U /V /W /X /Y /Z
|
||
/bracketleft /backslash /bracketright /asciicircum /underscore
|
||
/quoteleft /a /b /c /d /e /f /g /h /i /j /k /l /m /n /o /p /q /r /s
|
||
/t /u /v /w /x /y /z /braceleft /bar /braceright /asciitilde
|
||
/.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
|
||
/.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
|
||
/.notdef /.notdef /.notdef /dotlessi /grave /acute /circumflex
|
||
/tilde /macron /breve /dotaccent /dieresis /.notdef /ring /cedilla
|
||
/.notdef /hungarumlaut /ogonek /caron /space /exclamdown /cent
|
||
/sterling /currency /yen /brokenbar /section /dieresis /copyright
|
||
/ordfeminine /guillemotleft /logicalnot /hyphen /registered /macron
|
||
/degree /plusminus /twosuperior /threesuperior /acute /mu /paragraph
|
||
/periodcentered /cedilla /onesuperior /ordmasculine /guillemotright
|
||
/onequarter /onehalf /threequarters /questiondown /Agrave /Aacute
|
||
/Acircumflex /Atilde /Adieresis /Aring /AE /Ccedilla /Egrave /Eacute
|
||
/Ecircumflex /Edieresis /Igrave /Iacute /Icircumflex /Idieresis /Eth
|
||
/Ntilde /Ograve /Oacute /Ocircumflex /Otilde /Odieresis /multiply
|
||
/Oslash /Ugrave /Uacute /Ucircumflex /Udieresis /Yacute /Thorn
|
||
/germandbls /agrave /aacute /acircumflex /atilde /adieresis /aring
|
||
/ae /ccedilla /egrave /eacute /ecircumflex /edieresis /igrave
|
||
/iacute /icircumflex /idieresis /eth /ntilde /ograve /oacute
|
||
/ocircumflex /otilde /odieresis /divide /oslash /ugrave /uacute
|
||
/ucircumflex /udieresis /yacute /thorn /ydieresis
|
||
] def
|
||
"))
|
||
|
||
(defun ps-mode-heapsort ()
|
||
"Insert function /Heapsort."
|
||
(interactive)
|
||
(insert "
|
||
% `array-element' Heapsort-cvi-or-cvr-or-cvs `number-or-string'
|
||
/Heapsort-cvi-or-cvr-or-cvs {
|
||
% 0 get
|
||
} bind def
|
||
% `array' Heapsort `sorted-array'
|
||
/Heapsort {
|
||
dup length /hsR exch def
|
||
/hsL hsR 2 idiv 1 add def
|
||
{
|
||
hsR 2 lt { exit } if
|
||
hsL 1 gt {
|
||
/hsL hsL 1 sub def
|
||
} {
|
||
/hsR hsR 1 sub def
|
||
dup dup dup 0 get exch dup hsR get
|
||
0 exch put
|
||
hsR exch put
|
||
} ifelse
|
||
dup hsL 1 sub get /hsT exch def
|
||
/hsJ hsL def
|
||
{
|
||
/hsS hsJ def
|
||
/hsJ hsJ dup add def
|
||
hsJ hsR gt { exit } if
|
||
hsJ hsR lt {
|
||
dup dup hsJ 1 sub get Heapsort-cvi-or-cvr-or-cvs
|
||
exch hsJ get Heapsort-cvi-or-cvr-or-cvs
|
||
lt { /hsJ hsJ 1 add def } if
|
||
} if
|
||
dup hsJ 1 sub get Heapsort-cvi-or-cvr-or-cvs
|
||
hsT Heapsort-cvi-or-cvr-or-cvs
|
||
le { exit } if
|
||
dup dup hsS 1 sub exch hsJ 1 sub get put
|
||
} loop
|
||
dup hsS 1 sub hsT put
|
||
} loop
|
||
} bind def
|
||
"))
|
||
|
||
|
||
;; EPSF document lay-out.
|
||
|
||
(defun ps-mode-epsf-sparse ()
|
||
"Insert sparse EPSF template."
|
||
(interactive)
|
||
(goto-char (point-max))
|
||
(unless (re-search-backward "%%EOF[ \t\n]*\\'" nil t)
|
||
(goto-char (point-max))
|
||
(insert "\n%%EOF\n"))
|
||
(goto-char (point-max))
|
||
(unless (re-search-backward "\\bshowpage[ \t\n]+%%EOF[ \t\n]*\\'" nil t)
|
||
(re-search-backward "%%EOF")
|
||
(insert "showpage\n"))
|
||
(goto-char (point-max))
|
||
(unless (re-search-backward "\\bend[ \t\n]+\\bshowpage[ \t\n]+%%EOF[ \t\n]*\\'" nil t)
|
||
(re-search-backward "showpage")
|
||
(insert "\nend\n"))
|
||
(goto-char (point-min))
|
||
(insert "%!PS-Adobe-3.0 EPSF-3.0\n%%BoundingBox: 0 0 ")
|
||
(insert (format "%d %d\n\n"
|
||
(car ps-mode-paper-size)
|
||
(car (cdr ps-mode-paper-size))))
|
||
(insert "64 dict begin\n\n"))
|
||
|
||
(defun ps-mode-epsf-rich ()
|
||
"Insert rich EPSF template."
|
||
(interactive)
|
||
(ps-mode-epsf-sparse)
|
||
(forward-line -3)
|
||
(when buffer-file-name
|
||
(insert "%%Title: " (file-name-nondirectory buffer-file-name) "\n"))
|
||
(insert "%%Creator: " (user-full-name) "\n")
|
||
(insert "%%CreationDate: " (current-time-string) "\n")
|
||
(insert "%%EndComments\n")
|
||
(forward-line 3))
|
||
|
||
|
||
;; Interactive PostScript interpreter.
|
||
|
||
(defun ps-run-mode ()
|
||
"Major mode in interactive PostScript window.
|
||
This mode is invoked from ps-mode and should not be called directly.
|
||
|
||
\\{ps-run-mode-map}
|
||
"
|
||
(kill-all-local-variables)
|
||
(make-local-variable 'font-lock-defaults)
|
||
(setq font-lock-defaults '((ps-run-font-lock-keywords
|
||
ps-run-font-lock-keywords-1
|
||
ps-run-font-lock-keywords-2)
|
||
t)
|
||
major-mode 'ps-run-mode
|
||
mode-name "Interactive PS"
|
||
mode-line-process '(":%s"))
|
||
(use-local-map ps-run-mode-map)
|
||
(run-hooks 'ps-run-mode-hook))
|
||
|
||
(defun ps-run-running ()
|
||
"Error if not in ps-mode or not running PostScript."
|
||
(unless (equal major-mode 'ps-mode)
|
||
(error "This function can only be called from PostScript mode"))
|
||
(unless (equal (process-status "ps-run") 'run)
|
||
(error "No PostScript process running")))
|
||
|
||
(defun ps-run-start ()
|
||
"Start interactive PostScript."
|
||
(interactive)
|
||
(let ((command (if (and window-system ps-run-x) ps-run-x ps-run-dumb))
|
||
(init-file nil)
|
||
(process-connection-type nil)
|
||
(oldwin (selected-window))
|
||
i)
|
||
(unless command
|
||
(error "No command specified to run interactive PostScript"))
|
||
(unless (and ps-run-mark (markerp ps-run-mark))
|
||
(setq ps-run-mark (make-marker)))
|
||
(when ps-run-init
|
||
(setq init-file (ps-run-make-tmp-filename))
|
||
(write-region (concat ps-run-init "\n") 0 init-file)
|
||
(setq init-file (list init-file)))
|
||
(pop-to-buffer "*ps run*")
|
||
(ps-run-mode)
|
||
(when (process-status "ps-run")
|
||
(delete-process "ps-run"))
|
||
(erase-buffer)
|
||
(setq i (append command init-file))
|
||
(while i
|
||
(insert (car i) (if (cdr i) " " "\n"))
|
||
(setq i (cdr i)))
|
||
(eval (append '(start-process "ps-run" "*ps run*") command init-file))
|
||
(select-window oldwin)))
|
||
|
||
(defun ps-run-quit ()
|
||
"Quit interactive PostScript."
|
||
(interactive)
|
||
(ps-run-send-string "quit" t)
|
||
(ps-run-cleanup))
|
||
|
||
(defun ps-run-kill ()
|
||
"Kill interactive PostScript."
|
||
(interactive)
|
||
(delete-process "ps-run")
|
||
(ps-run-cleanup))
|
||
|
||
(defun ps-run-clear ()
|
||
"Clear/reset PostScript graphics."
|
||
(interactive)
|
||
(ps-run-send-string "showpage" t)
|
||
(sit-for 1)
|
||
(ps-run-send-string "" t))
|
||
|
||
(defun ps-run-buffer ()
|
||
"Send buffer to PostScript interpreter."
|
||
(interactive)
|
||
(ps-run-region (point-min) (point-max)))
|
||
|
||
(defun ps-run-region (begin end)
|
||
"Send region to PostScript interpreter."
|
||
(interactive "r")
|
||
(ps-run-running)
|
||
(setq ps-run-parent (buffer-name))
|
||
(let ((f (ps-run-make-tmp-filename)))
|
||
(set-marker ps-run-mark begin)
|
||
(write-region begin end f)
|
||
(ps-run-send-string (format "(%s) run" f) t)))
|
||
|
||
(defun ps-run-boundingbox ()
|
||
"View BoundingBox"
|
||
(interactive)
|
||
(ps-run-running)
|
||
(let (x1 y1 x2 y2 f
|
||
(buf (current-buffer)))
|
||
(save-excursion
|
||
(goto-char 1)
|
||
(re-search-forward
|
||
"^%%BoundingBox:[ \t]+\\(-?[0-9]+\\)[ \t]+\\(-?[0-9]+\\)[ \t]+\\(-?[0-9]+\\)[ \t]+\\(-?[0-9]+\\)")
|
||
(setq x1 (match-string 1)
|
||
y1 (match-string 2)
|
||
x2 (match-string 3)
|
||
y2 (match-string 4)))
|
||
(unless (< (string-to-number x1) (string-to-number x2))
|
||
(error "x1 (%s) should be less than x2 (%s)" x1 x2))
|
||
(unless (< (string-to-number y1) (string-to-number y2))
|
||
(error "y1 (%s) should be less than y2 (%s)" y1 y2))
|
||
(setq f (ps-run-make-tmp-filename))
|
||
(write-region
|
||
(format
|
||
"gsave
|
||
initgraphics
|
||
2 setlinewidth
|
||
%s %s moveto
|
||
%s %s lineto
|
||
%s %s lineto
|
||
%s %s lineto
|
||
closepath
|
||
gsave
|
||
[ 4 20 ] 0 setdash
|
||
1 0 0 setrgbcolor
|
||
stroke
|
||
grestore
|
||
gsave
|
||
[ 4 20 ] 8 setdash
|
||
0 1 0 setrgbcolor
|
||
stroke
|
||
grestore
|
||
[ 4 20 ] 16 setdash
|
||
0 0 1 setrgbcolor
|
||
stroke
|
||
grestore
|
||
" x1 y1 x2 y1 x2 y2 x1 y2)
|
||
0
|
||
f)
|
||
(ps-run-send-string (format "(%s) run" f) t)
|
||
(set-buffer buf)))
|
||
|
||
(defun ps-run-send-string (string &optional echo)
|
||
(let ((oldwin (selected-window)))
|
||
(pop-to-buffer "*ps run*")
|
||
(goto-char (point-max))
|
||
(when echo
|
||
(insert string "\n"))
|
||
(set-marker (process-mark (get-process "ps-run")) (point))
|
||
(process-send-string "ps-run" (concat string "\n"))
|
||
(select-window oldwin)))
|
||
|
||
(defun ps-run-make-tmp-filename ()
|
||
(unless ps-mode-tmp-file
|
||
(cond (ps-run-tmp-dir)
|
||
((setq ps-run-tmp-dir (getenv "TEMP")))
|
||
((setq ps-run-tmp-dir (getenv "TMP")))
|
||
((setq ps-run-tmp-dir (getenv "HOME"))
|
||
(setq
|
||
ps-run-tmp-dir
|
||
(concat (file-name-as-directory ps-run-tmp-dir) "tmp"))
|
||
(unless (file-directory-p ps-run-tmp-dir)
|
||
(setq ps-run-tmp-dir nil))))
|
||
(unless ps-run-tmp-dir
|
||
(setq ps-run-tmp-dir "/tmp"))
|
||
(setq ps-mode-tmp-file
|
||
(make-temp-name
|
||
(concat
|
||
(if ps-run-tmp-dir
|
||
(file-name-as-directory ps-run-tmp-dir)
|
||
"")
|
||
"ps-run-"))))
|
||
ps-mode-tmp-file)
|
||
|
||
;; Remove temporary file
|
||
;; This shouldn't fail twice, because it is called at kill-emacs
|
||
(defun ps-run-cleanup ()
|
||
(when ps-mode-tmp-file
|
||
(let ((i ps-mode-tmp-file))
|
||
(setq ps-mode-tmp-file nil)
|
||
(when (file-exists-p i)
|
||
(delete-file i)))))
|
||
|
||
(defun ps-run-mouse-goto-error (event)
|
||
"Set point at mouse click, then call ps-run-goto-error."
|
||
(interactive "e")
|
||
(mouse-set-point event)
|
||
(ps-run-goto-error))
|
||
|
||
(defun ps-run-newline ()
|
||
"Process newline in PostScript interpreter window."
|
||
(interactive)
|
||
(end-of-line)
|
||
(insert "\n")
|
||
(forward-line -1)
|
||
(when (looking-at ps-run-prompt)
|
||
(goto-char (match-end 0)))
|
||
(looking-at ".*")
|
||
(goto-char (1+ (match-end 0)))
|
||
(ps-run-send-string (buffer-substring (match-beginning 0) (match-end 0))))
|
||
|
||
(defun ps-run-goto-error ()
|
||
"Jump to buffer position read as integer at point.
|
||
Use line numbers if ps-run-error-line-numbers is not nil"
|
||
(interactive)
|
||
(let ((p (point)))
|
||
(unless (looking-at "[0-9]")
|
||
(goto-char (max 1 (1- (point)))))
|
||
(when (looking-at "[0-9]")
|
||
(forward-char 1)
|
||
(forward-word -1)
|
||
(when (looking-at "[0-9]+")
|
||
(let (i)
|
||
(setq
|
||
i
|
||
(string-to-int
|
||
(buffer-substring (match-beginning 0) (match-end 0))))
|
||
(goto-char p)
|
||
(pop-to-buffer ps-run-parent)
|
||
(if ps-run-error-line-numbers
|
||
(progn
|
||
(goto-char (marker-position ps-run-mark))
|
||
(forward-line (1- i))
|
||
(end-of-line))
|
||
(goto-char (+ i (marker-position ps-run-mark)))))))))
|
||
|
||
|
||
;;
|
||
(add-hook 'kill-emacs-hook 'ps-run-cleanup)
|
||
|
||
(provide 'ps-mode)
|
||
|
||
;;; ps-mode.el ends here
|