| 1 | ;;; ps-mode.el --- PostScript mode for GNU Emacs |
| 2 | |
| 3 | ;; Copyright (C) 1999, 2001-2011 Free Software Foundation, Inc. |
| 4 | |
| 5 | ;; Author: Peter Kleiweg <p.c.j.kleiweg@rug.nl> |
| 6 | ;; Maintainer: Peter Kleiweg <p.c.j.kleiweg@rug.nl> |
| 7 | ;; Created: 20 Aug 1997 |
| 8 | ;; Version: 1.1h |
| 9 | ;; Keywords: PostScript, languages |
| 10 | |
| 11 | ;; Yoni Rabkin <yoni@rabkins.net> contacted the maintainer of this |
| 12 | ;; file on 18/3/2008, and the maintainer agreed that when a bug is |
| 13 | ;; filed in the Emacs bug reporting system against this file, a copy |
| 14 | ;; of the bug report be sent to the maintainer's email address, but |
| 15 | ;; only if: "... those e-mails have a link to the bug report system, |
| 16 | ;; where I can cancel these e-mails if I want to.". |
| 17 | |
| 18 | ;; This file is part of GNU Emacs. |
| 19 | |
| 20 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
| 21 | ;; it under the terms of the GNU General Public License as published by |
| 22 | ;; the Free Software Foundation, either version 3 of the License, or |
| 23 | ;; (at your option) any later version. |
| 24 | |
| 25 | ;; GNU Emacs is distributed in the hope that it will be useful, |
| 26 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 27 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 28 | ;; GNU General Public License for more details. |
| 29 | |
| 30 | ;; You should have received a copy of the GNU General Public License |
| 31 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
| 32 | |
| 33 | ;;; Commentary: |
| 34 | |
| 35 | \f |
| 36 | ;;; Code: |
| 37 | |
| 38 | (defconst ps-mode-version "1.1h, 16 Jun 2005") |
| 39 | (defconst ps-mode-maintainer-address "Peter Kleiweg <p.c.j.kleiweg@rug.nl>") |
| 40 | |
| 41 | (require 'comint) |
| 42 | (require 'easymenu) |
| 43 | |
| 44 | ;; Define core `PostScript' group. |
| 45 | (defgroup PostScript nil |
| 46 | "PostScript mode for Emacs." |
| 47 | :group 'languages) |
| 48 | |
| 49 | (defgroup PostScript-edit nil |
| 50 | "PostScript editing." |
| 51 | :link '(custom-group-link :tag "Font Lock Faces group" font-lock-faces) |
| 52 | :prefix "ps-mode-" |
| 53 | :group 'PostScript) |
| 54 | |
| 55 | (defgroup PostScript-interaction nil |
| 56 | "PostScript interaction." |
| 57 | :prefix "ps-run-" |
| 58 | :group 'PostScript) |
| 59 | |
| 60 | ;; User variables. |
| 61 | |
| 62 | (defcustom ps-mode-auto-indent t |
| 63 | "*Should we use autoindent?" |
| 64 | :group 'PostScript-edit |
| 65 | :type 'boolean) |
| 66 | |
| 67 | (defcustom ps-mode-tab 4 |
| 68 | "*Number of spaces to use when indenting." |
| 69 | :group 'PostScript-edit |
| 70 | :type 'integer) |
| 71 | |
| 72 | (defcustom ps-mode-paper-size '(595 842) |
| 73 | "*Default paper size. |
| 74 | |
| 75 | When inserting an EPSF template these values are used |
| 76 | to set the boundingbox to include the whole page. |
| 77 | When the figure is finished these values should be replaced." |
| 78 | :group 'PostScript-edit |
| 79 | :type '(choice |
| 80 | (const :tag "letter" (612 792)) |
| 81 | (const :tag "legal" (612 1008)) |
| 82 | (const :tag "a0" (2380 3368)) |
| 83 | (const :tag "a1" (1684 2380)) |
| 84 | (const :tag "a2" (1190 1684)) |
| 85 | (const :tag "a3" (842 1190)) |
| 86 | (const :tag "a4" (595 842)) |
| 87 | (const :tag "a5" (421 595)) |
| 88 | (const :tag "a6" (297 421)) |
| 89 | (const :tag "a7" (210 297)) |
| 90 | (const :tag "a8" (148 210)) |
| 91 | (const :tag "a9" (105 148)) |
| 92 | (const :tag "a10" (74 105)) |
| 93 | (const :tag "b0" (2836 4008)) |
| 94 | (const :tag "b1" (2004 2836)) |
| 95 | (const :tag "b2" (1418 2004)) |
| 96 | (const :tag "b3" (1002 1418)) |
| 97 | (const :tag "b4" (709 1002)) |
| 98 | (const :tag "b5" (501 709)) |
| 99 | (const :tag "archE" (2592 3456)) |
| 100 | (const :tag "archD" (1728 2592)) |
| 101 | (const :tag "archC" (1296 1728)) |
| 102 | (const :tag "archB" (864 1296)) |
| 103 | (const :tag "archA" (648 864)) |
| 104 | (const :tag "flsa" (612 936)) |
| 105 | (const :tag "flse" (612 936)) |
| 106 | (const :tag "halfletter" (396 612)) |
| 107 | (const :tag "11x17" (792 1224)) |
| 108 | (const :tag "tabloid" (792 1224)) |
| 109 | (const :tag "ledger" (1224 792)) |
| 110 | (const :tag "csheet" (1224 1584)) |
| 111 | (const :tag "dsheet" (1584 2448)) |
| 112 | (const :tag "esheet" (2448 3168)))) |
| 113 | |
| 114 | (defcustom ps-mode-print-function |
| 115 | (lambda () |
| 116 | (let ((lpr-switches nil) |
| 117 | (lpr-command (if (memq system-type '(usg-unix-v hpux irix)) |
| 118 | "lp" "lpr"))) |
| 119 | (lpr-buffer))) |
| 120 | "*Lisp function to print current buffer as PostScript." |
| 121 | :group 'PostScript-edit |
| 122 | :type 'function) |
| 123 | |
| 124 | (defcustom ps-run-prompt "\\(GS\\(<[0-9]+\\)?>\\)+" |
| 125 | "*Regexp to match prompt in interactive PostScript." |
| 126 | :group 'PostScript-interaction |
| 127 | :type 'regexp) |
| 128 | |
| 129 | (defcustom ps-run-font-lock-keywords-2 |
| 130 | (append (unless (string= ps-run-prompt "") |
| 131 | (list (list (if (= ?^ (string-to-char ps-run-prompt)) |
| 132 | ps-run-prompt |
| 133 | (concat "^" ps-run-prompt)) |
| 134 | '(0 font-lock-function-name-face nil nil)))) |
| 135 | '((">>showpage, press <return> to continue<<" |
| 136 | (0 font-lock-keyword-face nil nil)) |
| 137 | ("^\\(Error\\|Can't\\).*" |
| 138 | (0 font-lock-warning-face nil nil)) |
| 139 | ("^\\(Current file position is\\) \\([0-9]+\\)" |
| 140 | (1 font-lock-comment-face nil nil) |
| 141 | (2 font-lock-warning-face nil nil)))) |
| 142 | "*Medium level highlighting of messages from the PostScript interpreter. |
| 143 | |
| 144 | See documentation on font-lock for details." |
| 145 | :group 'PostScript-interaction |
| 146 | :type '(repeat (list :tag "Expression with one or more highlighters" |
| 147 | :value ("" (0 default nil t)) |
| 148 | (regexp :tag "Expression") |
| 149 | (repeat :tag "Highlighters" |
| 150 | :inline regexp |
| 151 | (list :tag "Highlighter" |
| 152 | (integer :tag "Subexp") |
| 153 | face |
| 154 | (boolean :tag "Override") |
| 155 | (boolean :tag "Laxmatch" :value t)))))) |
| 156 | |
| 157 | (defcustom ps-run-x '("gs" "-r72" "-sPAPERSIZE=a4") |
| 158 | "*Command as list to run PostScript with graphic display." |
| 159 | :group 'PostScript-interaction |
| 160 | :type '(repeat string)) |
| 161 | |
| 162 | (defcustom ps-run-dumb '("gs" "-dNODISPLAY") |
| 163 | "*Command as list to run PostScript without graphic display." |
| 164 | :group 'PostScript-interaction |
| 165 | :type '(repeat string)) |
| 166 | |
| 167 | (defcustom ps-run-init nil |
| 168 | "*String of commands to send to PostScript to start interactive. |
| 169 | |
| 170 | Example: \"executive\" |
| 171 | |
| 172 | You won't need to set this option for Ghostscript." |
| 173 | :group 'PostScript-interaction |
| 174 | :type '(choice (const nil) string)) |
| 175 | |
| 176 | (defcustom ps-run-error-line-numbers nil |
| 177 | "*What values are used by the PostScript interpreter in error messages?" |
| 178 | :group 'PostScript-interaction |
| 179 | :type '(choice (const :tag "line numbers" t) |
| 180 | (const :tag "byte counts" nil))) |
| 181 | |
| 182 | (defcustom ps-run-tmp-dir nil |
| 183 | "*Name of directory to place temporary file. |
| 184 | If nil, use `temporary-file-directory'." |
| 185 | :group 'PostScript-interaction |
| 186 | :type '(choice (const nil) directory)) |
| 187 | |
| 188 | \f |
| 189 | ;; Constants used for font-lock. |
| 190 | |
| 191 | ;; Only a small set of the PostScript operators is selected for fontification. |
| 192 | ;; Fontification is meant to clarify the document structure and process flow, |
| 193 | ;; fontifying all known PostScript operators would hinder that objective. |
| 194 | (defconst ps-mode-operators |
| 195 | (let ((ops '("clear" "mark" "cleartomark" "counttomark" |
| 196 | "forall" |
| 197 | "dict" "begin" "end" "def" |
| 198 | "true" "false" |
| 199 | "exec" "if" "ifelse" "for" "repeat" "loop" "exit" |
| 200 | "stop" "stopped" "countexecstack" "execstack" |
| 201 | "quit" "start" |
| 202 | "save" "restore" |
| 203 | "bind" "null" |
| 204 | "gsave" "grestore" "grestoreall" |
| 205 | "showpage"))) |
| 206 | (concat "\\<" (regexp-opt ops t) "\\>")) |
| 207 | "Regexp of PostScript operators that will be fontified.") |
| 208 | |
| 209 | ;; Level 1 font-lock: |
| 210 | ;; - Special comments (reference face) |
| 211 | ;; - Strings and other comments |
| 212 | ;; - Partial strings (warning face) |
| 213 | ;; - 8bit characters (warning face) |
| 214 | ;; Multiline strings are not supported. Strings with nested brackets are. |
| 215 | (defconst ps-mode-font-lock-keywords-1 |
| 216 | '(("\\`%!PS.*" . font-lock-reference-face) |
| 217 | ("^%%BoundingBox:[ \t]+-?[0-9]+[ \t]+-?[0-9]+[ \t]+-?[0-9]+[ \t]+-?[0-9]+[ \t]*$" |
| 218 | . font-lock-reference-face) |
| 219 | (ps-mode-match-string-or-comment |
| 220 | (1 font-lock-comment-face nil t) |
| 221 | (2 font-lock-string-face nil t)) |
| 222 | ("([^()\n%]*\\|[^()\n]*)" . font-lock-warning-face) |
| 223 | ("[\200-\377]+" (0 font-lock-warning-face prepend nil))) |
| 224 | "Subdued level highlighting for PostScript mode.") |
| 225 | |
| 226 | ;; Level 2 font-lock: |
| 227 | ;; - All from level 1 |
| 228 | ;; - PostScript operators (keyword face) |
| 229 | (defconst ps-mode-font-lock-keywords-2 |
| 230 | (append |
| 231 | ps-mode-font-lock-keywords-1 |
| 232 | (list |
| 233 | (cons |
| 234 | ;; exclude names prepended by `/' |
| 235 | (concat "\\(^\\|[^/\n]\\)" ps-mode-operators) |
| 236 | '(2 font-lock-keyword-face)))) |
| 237 | "Medium level highlighting for PostScript mode.") |
| 238 | |
| 239 | ;; Level 3 font-lock: |
| 240 | ;; - All from level 2 |
| 241 | ;; - Immediately evaluated names: those starting with `//' (type face) |
| 242 | ;; - Names that look like they are used for the definition of: |
| 243 | ;; * a function |
| 244 | ;; * an array |
| 245 | ;; * a dictionary |
| 246 | ;; * a "global" variable |
| 247 | ;; (function name face) |
| 248 | ;; - Other names (variable name face) |
| 249 | ;; The rules used to determine what names fit in the first category are: |
| 250 | ;; - Only names that are at the left margin, and one of these on the same line: |
| 251 | ;; * Nothing after the name except possibly one or more `[' or a comment |
| 252 | ;; * A `{' or `<<' or `[0-9]+ dict' following the name |
| 253 | ;; * A `def' somewhere in the same line |
| 254 | ;; Names are fontified before PostScript operators, allowing the use of |
| 255 | ;; a more simple (efficient) regexp than the one used in level 2. |
| 256 | (defconst ps-mode-font-lock-keywords-3 |
| 257 | (append |
| 258 | ps-mode-font-lock-keywords-1 |
| 259 | (list |
| 260 | '("//\\w+" . font-lock-type-face) |
| 261 | `(,(concat |
| 262 | "^\\(/\\w+\\)\\>" |
| 263 | "\\([[ \t]*\\(%.*\\)?\r?$" ; Nothing but `[' or comment after the name. |
| 264 | "\\|[ \t]*\\({\\|<<\\)" ; `{' or `<<' following the name. |
| 265 | "\\|[ \t]+[0-9]+[ \t]+dict\\>" ; `[0-9]+ dict' following the name. |
| 266 | "\\|.*\\<def\\>\\)") ; `def' somewhere on the same line. |
| 267 | . (1 font-lock-function-name-face)) |
| 268 | '("/\\w+" . font-lock-variable-name-face) |
| 269 | (cons ps-mode-operators 'font-lock-keyword-face))) |
| 270 | "High level highliting for PostScript mode.") |
| 271 | |
| 272 | (defconst ps-mode-font-lock-keywords ps-mode-font-lock-keywords-1 |
| 273 | "Default expressions to highlight in PostScript mode.") |
| 274 | |
| 275 | ;; Level 1 font-lock for ps-run-mode |
| 276 | ;; - prompt (function name face) |
| 277 | (defconst ps-run-font-lock-keywords-1 |
| 278 | (unless (string= "" ps-run-prompt) |
| 279 | (list (cons (if (= ?^ (string-to-char ps-run-prompt)) |
| 280 | ps-run-prompt |
| 281 | (concat "^" ps-run-prompt)) |
| 282 | 'font-lock-function-name-face))) |
| 283 | "Subdued level highlighting for PostScript run mode.") |
| 284 | |
| 285 | (defconst ps-run-font-lock-keywords ps-run-font-lock-keywords-1 |
| 286 | "Default expressions to highlight in PostScript run mode.") |
| 287 | |
| 288 | \f |
| 289 | ;; Variables. |
| 290 | |
| 291 | (defvar ps-mode-map nil |
| 292 | "Local keymap to use in PostScript mode.") |
| 293 | |
| 294 | (defvar ps-mode-syntax-table nil |
| 295 | "Syntax table used while in PostScript mode.") |
| 296 | |
| 297 | (defvar ps-run-mode-map nil |
| 298 | "Local keymap to use in PostScript run mode.") |
| 299 | |
| 300 | (defvar ps-mode-tmp-file nil |
| 301 | "Name of temporary file, set by `ps-run'.") |
| 302 | |
| 303 | (defvar ps-run-mark nil |
| 304 | "Mark to start of region that was sent to PostScript interpreter.") |
| 305 | |
| 306 | (defvar ps-run-parent nil |
| 307 | "Parent window of interactive PostScript.") |
| 308 | |
| 309 | \f |
| 310 | ;; Menu |
| 311 | |
| 312 | (defconst ps-mode-menu-main |
| 313 | '("PostScript" |
| 314 | ["EPSF Template, Sparse" ps-mode-epsf-sparse t] |
| 315 | ["EPSF Template, Rich" ps-mode-epsf-rich t] |
| 316 | "---" |
| 317 | ("Cookbook" |
| 318 | ["RE" ps-mode-RE t] |
| 319 | ["ISOLatin1Extended" ps-mode-latin-extended t] |
| 320 | ["center" ps-mode-center t] |
| 321 | ["right" ps-mode-right t] |
| 322 | ["Heapsort" ps-mode-heapsort t]) |
| 323 | ("Fonts (1)" |
| 324 | ["Times-Roman" (insert "/Times-Roman ") t] |
| 325 | ["Times-Bold" (insert "/Times-Bold ") t] |
| 326 | ["Times-Italic" (insert "/Times-Italic ") t] |
| 327 | ["Times-BoldItalic" (insert "/Times-BoldItalic ") t] |
| 328 | ["Helvetica" (insert "/Helvetica ") t] |
| 329 | ["Helvetica-Bold" (insert "/Helvetica-Bold ") t] |
| 330 | ["Helvetica-Oblique" (insert "/Helvetica-Oblique ") t] |
| 331 | ["Helvetica-BoldOblique" (insert "/Helvetica-BoldOblique ") t] |
| 332 | ["Courier" (insert "/Courier ") t] |
| 333 | ["Courier-Bold" (insert "/Courier-Bold ") t] |
| 334 | ["Courier-Oblique" (insert "/Courier-Oblique ") t] |
| 335 | ["Courier-BoldOblique" (insert "/Courier-BoldOblique ") t] |
| 336 | ["Symbol" (insert "/Symbol") t ]) |
| 337 | ("Fonts (2)" |
| 338 | ["AvantGarde-Book" (insert "/AvantGarde-Book ") t] |
| 339 | ["AvantGarde-Demi" (insert "/AvantGarde-Demi ") t] |
| 340 | ["AvantGarde-BookOblique" (insert "/AvantGarde-BookOblique ") t] |
| 341 | ["AvantGarde-DemiOblique" (insert "/AvantGarde-DemiOblique ") t] |
| 342 | ["Bookman-Light" (insert "/Bookman-Light ") t] |
| 343 | ["Bookman-Demi" (insert "/Bookman-Demi ") t] |
| 344 | ["Bookman-LightItalic" (insert "/Bookman-LightItalic ") t] |
| 345 | ["Bookman-DemiItalic" (insert "/Bookman-DemiItalic ") t] |
| 346 | ["Helvetica-Narrow" (insert "/Helvetica-Narrow ") t] |
| 347 | ["Helvetica-Narrow-Bold" (insert "/Helvetica-Narrow-Bold ") t] |
| 348 | ["Helvetica-Narrow-Oblique" (insert "/Helvetica-Narrow-Oblique ") t] |
| 349 | ["Helvetica-Narrow-BoldOblique" (insert "/Helvetica-Narrow-BoldOblique ") t] |
| 350 | ["NewCenturySchlbk-Roman" (insert "/NewCenturySchlbk-Roman ") t] |
| 351 | ["NewCenturySchlbk-Bold" (insert "/NewCenturySchlbk-Bold ") t] |
| 352 | ["NewCenturySchlbk-Italic" (insert "/NewCenturySchlbk-Italic ") t] |
| 353 | ["NewCenturySchlbk-BoldItalic" (insert "/NewCenturySchlbk-BoldItalic ") t] |
| 354 | ["Palatino-Roman" (insert "/Palatino-Roman ") t] |
| 355 | ["Palatino-Bold" (insert "/Palatino-Bold ") t] |
| 356 | ["Palatino-Italic" (insert "/Palatino-Italic ") t] |
| 357 | ["Palatino-BoldItalic" (insert "/Palatino-BoldItalic ") t] |
| 358 | ["ZapfChancery-MediumItalic" (insert "/ZapfChancery-MediumItalic ") t] |
| 359 | ["ZapfDingbats" (insert "/ZapfDingbats ") t]) |
| 360 | "---" |
| 361 | ["Comment Out Region" ps-mode-comment-out-region (mark t)] |
| 362 | ["Uncomment Region" ps-mode-uncomment-region (mark t)] |
| 363 | "---" |
| 364 | ["8-bit to Octal Buffer" ps-mode-octal-buffer t] |
| 365 | ["8-bit to Octal Region" ps-mode-octal-region (mark t)] |
| 366 | "---" |
| 367 | ["Auto Indent" (setq ps-mode-auto-indent (not ps-mode-auto-indent)) |
| 368 | :style toggle :selected ps-mode-auto-indent] |
| 369 | "---" |
| 370 | ["Start PostScript" |
| 371 | ps-run-start |
| 372 | t] |
| 373 | ["Quit PostScript" ps-run-quit (process-status "ps-run")] |
| 374 | ["Kill PostScript" ps-run-kill (process-status "ps-run")] |
| 375 | ["Send Buffer to Interpreter" |
| 376 | ps-run-buffer |
| 377 | (process-status "ps-run")] |
| 378 | ["Send Region to Interpreter" |
| 379 | ps-run-region |
| 380 | (and (mark t) (process-status "ps-run"))] |
| 381 | ["Send Newline to Interpreter" |
| 382 | ps-mode-other-newline |
| 383 | (process-status "ps-run")] |
| 384 | ["View BoundingBox" |
| 385 | ps-run-boundingbox |
| 386 | (process-status "ps-run")] |
| 387 | ["Clear/Reset PostScript Graphics" |
| 388 | ps-run-clear |
| 389 | (process-status "ps-run")] |
| 390 | "---" |
| 391 | ["Print Buffer as PostScript" |
| 392 | ps-mode-print-buffer |
| 393 | t] |
| 394 | ["Print Region as PostScript" |
| 395 | ps-mode-print-region |
| 396 | (mark t)] |
| 397 | "---" |
| 398 | ["Customize for PostScript" |
| 399 | (customize-group "PostScript") |
| 400 | t] |
| 401 | "---" |
| 402 | ["Submit Bug Report" |
| 403 | ps-mode-submit-bug-report |
| 404 | t])) |
| 405 | |
| 406 | \f |
| 407 | ;; Mode maps for PostScript edit mode and PostScript interaction mode. |
| 408 | |
| 409 | (unless ps-mode-map |
| 410 | (setq ps-mode-map (make-sparse-keymap)) |
| 411 | (define-key ps-mode-map "\C-c\C-v" 'ps-run-boundingbox) |
| 412 | (define-key ps-mode-map "\C-c\C-u" 'ps-mode-uncomment-region) |
| 413 | (define-key ps-mode-map "\C-c\C-t" 'ps-mode-epsf-rich) |
| 414 | (define-key ps-mode-map "\C-c\C-s" 'ps-run-start) |
| 415 | (define-key ps-mode-map "\C-c\C-r" 'ps-run-region) |
| 416 | (define-key ps-mode-map "\C-c\C-q" 'ps-run-quit) |
| 417 | (define-key ps-mode-map "\C-c\C-p" 'ps-mode-print-buffer) |
| 418 | (define-key ps-mode-map "\C-c\C-o" 'ps-mode-comment-out-region) |
| 419 | (define-key ps-mode-map "\C-c\C-k" 'ps-run-kill) |
| 420 | (define-key ps-mode-map "\C-c\C-j" 'ps-mode-other-newline) |
| 421 | (define-key ps-mode-map "\C-c\C-l" 'ps-run-clear) |
| 422 | (define-key ps-mode-map "\C-c\C-b" 'ps-run-buffer) |
| 423 | (define-key ps-mode-map ">" 'ps-mode-r-gt) |
| 424 | (define-key ps-mode-map "]" 'ps-mode-r-angle) |
| 425 | (define-key ps-mode-map "}" 'ps-mode-r-brace) |
| 426 | (define-key ps-mode-map "\177" 'ps-mode-backward-delete-char) |
| 427 | (define-key ps-mode-map "\t" 'ps-mode-tabkey) |
| 428 | (define-key ps-mode-map "\r" 'ps-mode-newline) |
| 429 | (define-key ps-mode-map [return] 'ps-mode-newline) |
| 430 | (easy-menu-define ps-mode-main ps-mode-map "PostScript" ps-mode-menu-main)) |
| 431 | |
| 432 | (unless ps-run-mode-map |
| 433 | (setq ps-run-mode-map (make-sparse-keymap)) |
| 434 | (set-keymap-parent ps-run-mode-map comint-mode-map) |
| 435 | (define-key ps-run-mode-map "\C-c\C-q" 'ps-run-quit) |
| 436 | (define-key ps-run-mode-map "\C-c\C-k" 'ps-run-kill) |
| 437 | (define-key ps-run-mode-map "\C-c\C-e" 'ps-run-goto-error) |
| 438 | (define-key ps-run-mode-map [mouse-2] 'ps-run-mouse-goto-error)) |
| 439 | |
| 440 | \f |
| 441 | ;; Syntax table. |
| 442 | |
| 443 | (unless ps-mode-syntax-table |
| 444 | (setq ps-mode-syntax-table (make-syntax-table)) |
| 445 | |
| 446 | (modify-syntax-entry ?\% "< " ps-mode-syntax-table) |
| 447 | (modify-syntax-entry ?\n "> " ps-mode-syntax-table) |
| 448 | (modify-syntax-entry ?\r "> " ps-mode-syntax-table) |
| 449 | (modify-syntax-entry ?\f "> " ps-mode-syntax-table) |
| 450 | (modify-syntax-entry ?\< "(>" ps-mode-syntax-table) |
| 451 | (modify-syntax-entry ?\> ")<" ps-mode-syntax-table) |
| 452 | |
| 453 | (modify-syntax-entry ?\! "w " ps-mode-syntax-table) |
| 454 | (modify-syntax-entry ?\" "w " ps-mode-syntax-table) |
| 455 | (modify-syntax-entry ?\# "w " ps-mode-syntax-table) |
| 456 | (modify-syntax-entry ?\$ "w " ps-mode-syntax-table) |
| 457 | (modify-syntax-entry ?\& "w " ps-mode-syntax-table) |
| 458 | (modify-syntax-entry ?\' "w " ps-mode-syntax-table) |
| 459 | (modify-syntax-entry ?\* "w " ps-mode-syntax-table) |
| 460 | (modify-syntax-entry ?\+ "w " ps-mode-syntax-table) |
| 461 | (modify-syntax-entry ?\, "w " ps-mode-syntax-table) |
| 462 | (modify-syntax-entry ?\- "w " ps-mode-syntax-table) |
| 463 | (modify-syntax-entry ?\. "w " ps-mode-syntax-table) |
| 464 | (modify-syntax-entry ?\: "w " ps-mode-syntax-table) |
| 465 | (modify-syntax-entry ?\; "w " ps-mode-syntax-table) |
| 466 | (modify-syntax-entry ?\= "w " ps-mode-syntax-table) |
| 467 | (modify-syntax-entry ?\? "w " ps-mode-syntax-table) |
| 468 | (modify-syntax-entry ?\@ "w " ps-mode-syntax-table) |
| 469 | (modify-syntax-entry ?\\ "w " ps-mode-syntax-table) |
| 470 | (modify-syntax-entry ?^ "w " ps-mode-syntax-table) ; NOT: ?\^ |
| 471 | (modify-syntax-entry ?\_ "w " ps-mode-syntax-table) |
| 472 | (modify-syntax-entry ?\` "w " ps-mode-syntax-table) |
| 473 | (modify-syntax-entry ?\| "w " ps-mode-syntax-table) |
| 474 | (modify-syntax-entry ?\~ "w " ps-mode-syntax-table) |
| 475 | |
| 476 | (let ((i 128)) |
| 477 | (while (< i 256) |
| 478 | (modify-syntax-entry i "w " ps-mode-syntax-table) |
| 479 | (setq i (1+ i))))) |
| 480 | |
| 481 | \f |
| 482 | |
| 483 | (declare-function doc-view-minor-mode "doc-view") |
| 484 | |
| 485 | ;; PostScript mode. |
| 486 | |
| 487 | ;;;###autoload |
| 488 | (define-derived-mode ps-mode prog-mode "PostScript" |
| 489 | "Major mode for editing PostScript with GNU Emacs. |
| 490 | |
| 491 | Entry to this mode calls `ps-mode-hook'. |
| 492 | |
| 493 | The following variables hold user options, and can |
| 494 | be set through the `customize' command: |
| 495 | |
| 496 | `ps-mode-auto-indent' |
| 497 | `ps-mode-tab' |
| 498 | `ps-mode-paper-size' |
| 499 | `ps-mode-print-function' |
| 500 | `ps-run-prompt' |
| 501 | `ps-run-font-lock-keywords-2' |
| 502 | `ps-run-x' |
| 503 | `ps-run-dumb' |
| 504 | `ps-run-init' |
| 505 | `ps-run-error-line-numbers' |
| 506 | `ps-run-tmp-dir' |
| 507 | |
| 508 | Type \\[describe-variable] for documentation on these options. |
| 509 | |
| 510 | |
| 511 | \\{ps-mode-map} |
| 512 | |
| 513 | |
| 514 | When starting an interactive PostScript process with \\[ps-run-start], |
| 515 | a second window will be displayed, and `ps-run-mode-hook' will be called. |
| 516 | The keymap for this second window is: |
| 517 | |
| 518 | \\{ps-run-mode-map} |
| 519 | |
| 520 | |
| 521 | When Ghostscript encounters an error it displays an error message |
| 522 | with a file position. Clicking mouse-2 on this number will bring |
| 523 | point to the corresponding spot in the PostScript window, if input |
| 524 | to the interpreter was sent from that window. |
| 525 | Typing \\<ps-run-mode-map>\\[ps-run-goto-error] when the cursor is at the number has the same effect." |
| 526 | (set (make-local-variable 'font-lock-defaults) |
| 527 | '((ps-mode-font-lock-keywords |
| 528 | ps-mode-font-lock-keywords-1 |
| 529 | ps-mode-font-lock-keywords-2 |
| 530 | ps-mode-font-lock-keywords-3) |
| 531 | t)) |
| 532 | (set (make-local-variable 'comment-start) "%") |
| 533 | ;; NOTE: `\' has a special meaning in strings only |
| 534 | (set (make-local-variable 'comment-start-skip) "%+[ \t]*") |
| 535 | ;; enable doc-view-minor-mode => C-c C-c starts viewing the current ps file |
| 536 | ;; with doc-view-mode. |
| 537 | (doc-view-minor-mode 1)) |
| 538 | |
| 539 | (defun ps-mode-show-version () |
| 540 | "Show current version of PostScript mode." |
| 541 | (interactive) |
| 542 | (message " *** PostScript Mode (ps-mode) Version %s *** " ps-mode-version)) |
| 543 | |
| 544 | ;; From reporter.el |
| 545 | (defvar reporter-prompt-for-summary-p) |
| 546 | (defvar reporter-dont-compact-list) |
| 547 | |
| 548 | (defun ps-mode-submit-bug-report () |
| 549 | "Submit via mail a bug report on PostScript mode." |
| 550 | (interactive) |
| 551 | (when (y-or-n-p "Submit bug report on PostScript mode? ") |
| 552 | (let ((reporter-prompt-for-summary-p nil) |
| 553 | (reporter-dont-compact-list '(ps-mode-print-function |
| 554 | ps-run-font-lock-keywords-2))) |
| 555 | (reporter-submit-bug-report |
| 556 | ps-mode-maintainer-address |
| 557 | (format "ps-mode.el %s [%s]" ps-mode-version system-type) |
| 558 | '(ps-mode-auto-indent |
| 559 | ps-mode-tab |
| 560 | ps-mode-paper-size |
| 561 | ps-mode-print-function |
| 562 | ps-run-prompt |
| 563 | ps-run-font-lock-keywords-2 |
| 564 | ps-run-x |
| 565 | ps-run-dumb |
| 566 | ps-run-init |
| 567 | ps-run-error-line-numbers |
| 568 | ps-run-tmp-dir))))) |
| 569 | |
| 570 | \f |
| 571 | ;; Helper functions for font-lock. |
| 572 | |
| 573 | ;; When this function is called, point is at an opening bracket. |
| 574 | ;; This function should test if point is at the start of a string |
| 575 | ;; with nested brackets. |
| 576 | ;; If true: move point to end of string |
| 577 | ;; set string to match data nr 2 |
| 578 | ;; return new point |
| 579 | ;; If false: return nil |
| 580 | (defun ps-mode-looking-at-nested (limit) |
| 581 | (let ((first (point)) |
| 582 | (level 1) |
| 583 | pos) |
| 584 | ;; Move past opening bracket. |
| 585 | (forward-char 1) |
| 586 | (setq pos (point)) |
| 587 | (while (and (> level 0) (< pos limit)) |
| 588 | ;; Search next bracket, stepping over escaped brackets. |
| 589 | (if (not (looking-at "\\([^()\\\n]\\|\\\\.\\)*\\([()]\\)")) |
| 590 | (setq level -1) |
| 591 | (setq level (+ level (if (string= "(" (match-string 2)) 1 -1))) |
| 592 | (goto-char (setq pos (match-end 0))))) |
| 593 | (if (not (= level 0)) |
| 594 | nil |
| 595 | ;; Found string with nested brackets, now set match data nr 2. |
| 596 | (set-match-data (list first pos nil nil first pos)) |
| 597 | pos))) |
| 598 | |
| 599 | ;; This function should search for a string or comment |
| 600 | ;; If comment, return as match data nr 1 |
| 601 | ;; If string, return as match data nr 2 |
| 602 | (defun ps-mode-match-string-or-comment (limit) |
| 603 | ;; Find the first potential match. |
| 604 | (if (not (re-search-forward "[%(]" limit t)) |
| 605 | ;; Nothing found: return failure. |
| 606 | nil |
| 607 | (let ((end (match-end 0))) |
| 608 | (goto-char (match-beginning 0)) |
| 609 | (cond ((looking-at "\\(%.*\\)\\|\\((\\([^()\\\n]\\|\\\\.\\)*)\\)") |
| 610 | ;; It's a comment or string without nested, unescaped brackets. |
| 611 | (goto-char (match-end 0)) |
| 612 | (point)) |
| 613 | ((ps-mode-looking-at-nested limit) |
| 614 | ;; It's a string with nested brackets. |
| 615 | (point)) |
| 616 | (t |
| 617 | ;; Try next match. |
| 618 | (goto-char end) |
| 619 | (ps-mode-match-string-or-comment limit)))))) |
| 620 | |
| 621 | \f |
| 622 | ;; Key-handlers. |
| 623 | |
| 624 | (defun ps-mode-target-column () |
| 625 | "To what column should text on current line be indented? |
| 626 | |
| 627 | Identation is increased if the last token on the current line |
| 628 | defines the beginning of a group. These tokens are: { [ <<" |
| 629 | (save-excursion |
| 630 | (beginning-of-line) |
| 631 | (if (looking-at "[ \t]*\\(}\\|\\]\\|>>\\)") |
| 632 | (condition-case err |
| 633 | (progn |
| 634 | (goto-char (match-end 0)) |
| 635 | (backward-sexp 1) |
| 636 | (beginning-of-line) |
| 637 | (if (looking-at "[ \t]+") |
| 638 | (goto-char (match-end 0))) |
| 639 | (current-column)) |
| 640 | (error |
| 641 | (ding) |
| 642 | (message "%s" (error-message-string err)) |
| 643 | 0)) |
| 644 | (let (target) |
| 645 | (if (not (re-search-backward "[^ \t\n\r\f][ \t\n\r\f]*\\=" nil t)) |
| 646 | 0 |
| 647 | (goto-char (match-beginning 0)) |
| 648 | (beginning-of-line) |
| 649 | (if (looking-at "[ \t]+") |
| 650 | (goto-char (match-end 0))) |
| 651 | (setq target (current-column)) |
| 652 | (end-of-line) |
| 653 | (if (re-search-backward "\\({\\|\\[\\|<<\\)[ \t]*\\(%[^\n]*\\)?\\=" nil t) |
| 654 | (setq target (+ target ps-mode-tab))) |
| 655 | target))))) |
| 656 | |
| 657 | (defun ps-mode-newline () |
| 658 | "Insert newline with proper indentation." |
| 659 | (interactive) |
| 660 | (delete-horizontal-space) |
| 661 | (insert "\n") |
| 662 | (if ps-mode-auto-indent |
| 663 | (indent-to (ps-mode-target-column)))) |
| 664 | |
| 665 | (defun ps-mode-tabkey () |
| 666 | "Indent/reindent current line, or insert tab." |
| 667 | (interactive) |
| 668 | (let ((column (current-column)) |
| 669 | target) |
| 670 | (if (or (not ps-mode-auto-indent) |
| 671 | (< ps-mode-tab 1) |
| 672 | (not (re-search-backward "^[ \t]*\\=" nil t))) |
| 673 | (insert "\t") |
| 674 | (setq target (ps-mode-target-column)) |
| 675 | (while (<= target column) |
| 676 | (setq target (+ target ps-mode-tab))) |
| 677 | (indent-line-to target)))) |
| 678 | |
| 679 | (defun ps-mode-backward-delete-char () |
| 680 | "Delete backward indentation, or delete backward character." |
| 681 | (interactive) |
| 682 | (let ((column (current-column)) |
| 683 | target) |
| 684 | (if (or (not ps-mode-auto-indent) |
| 685 | (< ps-mode-tab 1) |
| 686 | (not (re-search-backward "^[ \t]+\\=" nil t))) |
| 687 | (call-interactively 'delete-backward-char) |
| 688 | (setq target (ps-mode-target-column)) |
| 689 | (while (> column target) |
| 690 | (setq target (+ target ps-mode-tab))) |
| 691 | (while (>= target column) |
| 692 | (setq target (- target ps-mode-tab))) |
| 693 | (if (< target 0) |
| 694 | (setq target 0)) |
| 695 | (indent-line-to target)))) |
| 696 | |
| 697 | (defun ps-mode-r-brace () |
| 698 | "Insert `}' and perform balance." |
| 699 | (interactive) |
| 700 | (insert "}") |
| 701 | (ps-mode-r-balance "}")) |
| 702 | |
| 703 | (defun ps-mode-r-angle () |
| 704 | "Insert `]' and perform balance." |
| 705 | (interactive) |
| 706 | (insert "]") |
| 707 | (ps-mode-r-balance "]")) |
| 708 | |
| 709 | (defun ps-mode-r-gt () |
| 710 | "Insert `>' and perform balance." |
| 711 | (interactive) |
| 712 | (insert ">") |
| 713 | (ps-mode-r-balance ">>")) |
| 714 | |
| 715 | (defun ps-mode-r-balance (right) |
| 716 | "Adjust indentification if point after RIGHT." |
| 717 | (if ps-mode-auto-indent |
| 718 | (save-excursion |
| 719 | (when (re-search-backward (concat "^[ \t]*" (regexp-quote right) "\\=") nil t) |
| 720 | (indent-line-to (ps-mode-target-column))))) |
| 721 | (blink-matching-open)) |
| 722 | |
| 723 | (defun ps-mode-other-newline () |
| 724 | "Perform newline in `*ps-run*' buffer." |
| 725 | (interactive) |
| 726 | (ps-run-send-string "")) |
| 727 | |
| 728 | \f |
| 729 | ;; Print PostScript. |
| 730 | |
| 731 | (defun ps-mode-print-buffer () |
| 732 | "Print buffer as PostScript." |
| 733 | (interactive) |
| 734 | (funcall ps-mode-print-function)) |
| 735 | |
| 736 | (defun ps-mode-print-region (begin end) |
| 737 | "Print region as PostScript, adding minimal header and footer lines: |
| 738 | |
| 739 | %!PS |
| 740 | <region> |
| 741 | showpage" |
| 742 | (interactive "r") |
| 743 | (let ((buf (current-buffer))) |
| 744 | (with-temp-buffer |
| 745 | (insert "%!PS\n") |
| 746 | (insert-buffer-substring buf begin end) |
| 747 | (insert "\nshowpage\n") |
| 748 | (funcall ps-mode-print-function)))) |
| 749 | |
| 750 | \f |
| 751 | ;; Comment Out / Uncomment. |
| 752 | |
| 753 | (defun ps-mode-comment-out-region (begin end) |
| 754 | "Comment out region." |
| 755 | (interactive "r") |
| 756 | (let ((endm (make-marker))) |
| 757 | (set-marker endm end) |
| 758 | (save-excursion |
| 759 | (goto-char begin) |
| 760 | (if (= (current-column) 0) |
| 761 | (insert "%")) |
| 762 | (while (and (= (forward-line) 0) |
| 763 | (< (point) (marker-position endm))) |
| 764 | (insert "%"))) |
| 765 | (set-marker endm nil))) |
| 766 | |
| 767 | (defun ps-mode-uncomment-region (begin end) |
| 768 | "Uncomment region. |
| 769 | |
| 770 | Only one `%' is removed, and it has to be in the first column." |
| 771 | (interactive "r") |
| 772 | (let ((endm (make-marker))) |
| 773 | (set-marker endm end) |
| 774 | (save-excursion |
| 775 | (goto-char begin) |
| 776 | (if (looking-at "^%") |
| 777 | (delete-char 1)) |
| 778 | (while (and (= (forward-line) 0) |
| 779 | (< (point) (marker-position endm))) |
| 780 | (if (looking-at "%") |
| 781 | (delete-char 1)))) |
| 782 | (set-marker endm nil))) |
| 783 | |
| 784 | \f |
| 785 | ;; Convert 8-bit to octal codes. |
| 786 | |
| 787 | (defun ps-mode-octal-buffer () |
| 788 | "Change 8-bit characters to octal codes in buffer." |
| 789 | (interactive) |
| 790 | (ps-mode-octal-region (point-min) (point-max))) |
| 791 | |
| 792 | (defun ps-mode-octal-region (begin end) |
| 793 | "Change 8-bit characters to octal codes in region." |
| 794 | (interactive "r") |
| 795 | (if buffer-read-only |
| 796 | (progn |
| 797 | (ding) |
| 798 | (message "Buffer is read only")) |
| 799 | (save-excursion |
| 800 | (let (endm i) |
| 801 | (setq endm (make-marker)) |
| 802 | (set-marker endm end) |
| 803 | (goto-char begin) |
| 804 | (setq i 0) |
| 805 | (while (re-search-forward "[\200-\377]" (marker-position endm) t) |
| 806 | (setq i (1+ i)) |
| 807 | (backward-char) |
| 808 | (insert (format "\\%03o" (string-to-char (buffer-substring (point) (1+ (point)))))) |
| 809 | (delete-char 1)) |
| 810 | (message "%d change%s made" i (if (= i 1) "" "s")) |
| 811 | (set-marker endm nil))))) |
| 812 | |
| 813 | \f |
| 814 | ;; Cookbook. |
| 815 | |
| 816 | (defun ps-mode-center () |
| 817 | "Insert function /center." |
| 818 | (interactive) |
| 819 | (insert " |
| 820 | /center { |
| 821 | dup stringwidth |
| 822 | exch 2 div neg |
| 823 | exch 2 div neg |
| 824 | rmoveto |
| 825 | } bind def |
| 826 | ")) |
| 827 | |
| 828 | (defun ps-mode-right () |
| 829 | "Insert function /right." |
| 830 | (interactive) |
| 831 | (insert " |
| 832 | /right { |
| 833 | dup stringwidth |
| 834 | exch neg |
| 835 | exch neg |
| 836 | rmoveto |
| 837 | } bind def |
| 838 | ")) |
| 839 | |
| 840 | (defun ps-mode-RE () |
| 841 | "Insert function /RE." |
| 842 | (interactive) |
| 843 | (insert " |
| 844 | % `new-font-name' `encoding-vector' `old-font-name' RE - |
| 845 | /RE { |
| 846 | findfont |
| 847 | dup maxlength dict begin { |
| 848 | 1 index /FID ne { def } { pop pop } ifelse |
| 849 | } forall |
| 850 | /Encoding exch def |
| 851 | dup /FontName exch def |
| 852 | currentdict end definefont pop |
| 853 | } bind def |
| 854 | ")) |
| 855 | |
| 856 | (defun ps-mode-latin-extended () |
| 857 | "Insert array /ISOLatin1Extended. |
| 858 | |
| 859 | This encoding vector contains all the entries from ISOLatin1Encoding |
| 860 | plus the usually uncoded characters inserted on positions 1 through 28." |
| 861 | (interactive) |
| 862 | (insert " |
| 863 | % ISOLatin1Encoding, extended with remaining uncoded glyphs |
| 864 | /ISOLatin1Extended [ |
| 865 | /.notdef /Lslash /lslash /OE /oe /Scaron /scaron /Zcaron /zcaron |
| 866 | /Ydieresis /trademark /bullet /dagger /daggerdbl /ellipsis /emdash |
| 867 | /endash /fi /fl /florin /fraction /guilsinglleft /guilsinglright |
| 868 | /perthousand /quotedblbase /quotedblleft /quotedblright |
| 869 | /quotesinglbase /quotesingle /.notdef /.notdef /.notdef /space |
| 870 | /exclam /quotedbl /numbersign /dollar /percent /ampersand |
| 871 | /quoteright /parenleft /parenright /asterisk /plus /comma /minus |
| 872 | /period /slash /zero /one /two /three /four /five /six /seven /eight |
| 873 | /nine /colon /semicolon /less /equal /greater /question /at /A /B /C |
| 874 | /D /E /F /G /H /I /J /K /L /M /N /O /P /Q /R /S /T /U /V /W /X /Y /Z |
| 875 | /bracketleft /backslash /bracketright /asciicircum /underscore |
| 876 | /quoteleft /a /b /c /d /e /f /g /h /i /j /k /l /m /n /o /p /q /r /s |
| 877 | /t /u /v /w /x /y /z /braceleft /bar /braceright /asciitilde |
| 878 | /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef |
| 879 | /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef |
| 880 | /.notdef /.notdef /.notdef /dotlessi /grave /acute /circumflex |
| 881 | /tilde /macron /breve /dotaccent /dieresis /.notdef /ring /cedilla |
| 882 | /.notdef /hungarumlaut /ogonek /caron /space /exclamdown /cent |
| 883 | /sterling /currency /yen /brokenbar /section /dieresis /copyright |
| 884 | /ordfeminine /guillemotleft /logicalnot /hyphen /registered /macron |
| 885 | /degree /plusminus /twosuperior /threesuperior /acute /mu /paragraph |
| 886 | /periodcentered /cedilla /onesuperior /ordmasculine /guillemotright |
| 887 | /onequarter /onehalf /threequarters /questiondown /Agrave /Aacute |
| 888 | /Acircumflex /Atilde /Adieresis /Aring /AE /Ccedilla /Egrave /Eacute |
| 889 | /Ecircumflex /Edieresis /Igrave /Iacute /Icircumflex /Idieresis /Eth |
| 890 | /Ntilde /Ograve /Oacute /Ocircumflex /Otilde /Odieresis /multiply |
| 891 | /Oslash /Ugrave /Uacute /Ucircumflex /Udieresis /Yacute /Thorn |
| 892 | /germandbls /agrave /aacute /acircumflex /atilde /adieresis /aring |
| 893 | /ae /ccedilla /egrave /eacute /ecircumflex /edieresis /igrave |
| 894 | /iacute /icircumflex /idieresis /eth /ntilde /ograve /oacute |
| 895 | /ocircumflex /otilde /odieresis /divide /oslash /ugrave /uacute |
| 896 | /ucircumflex /udieresis /yacute /thorn /ydieresis |
| 897 | ] def |
| 898 | ")) |
| 899 | |
| 900 | (defun ps-mode-heapsort () |
| 901 | "Insert function /Heapsort." |
| 902 | (interactive) |
| 903 | (insert " |
| 904 | % `array-element' Heapsort-cvi-or-cvr-or-cvs `number-or-string' |
| 905 | /Heapsort-cvi-or-cvr-or-cvs { |
| 906 | % 0 get |
| 907 | } bind def |
| 908 | % `array' Heapsort `sorted-array' |
| 909 | /Heapsort { |
| 910 | dup length /hsR exch def |
| 911 | /hsL hsR 2 idiv 1 add def |
| 912 | { |
| 913 | hsR 2 lt { exit } if |
| 914 | hsL 1 gt { |
| 915 | /hsL hsL 1 sub def |
| 916 | } { |
| 917 | /hsR hsR 1 sub def |
| 918 | dup dup dup 0 get exch dup hsR get |
| 919 | 0 exch put |
| 920 | hsR exch put |
| 921 | } ifelse |
| 922 | dup hsL 1 sub get /hsT exch def |
| 923 | /hsJ hsL def |
| 924 | { |
| 925 | /hsS hsJ def |
| 926 | /hsJ hsJ dup add def |
| 927 | hsJ hsR gt { exit } if |
| 928 | hsJ hsR lt { |
| 929 | dup dup hsJ 1 sub get Heapsort-cvi-or-cvr-or-cvs |
| 930 | exch hsJ get Heapsort-cvi-or-cvr-or-cvs |
| 931 | lt { /hsJ hsJ 1 add def } if |
| 932 | } if |
| 933 | dup hsJ 1 sub get Heapsort-cvi-or-cvr-or-cvs |
| 934 | hsT Heapsort-cvi-or-cvr-or-cvs |
| 935 | le { exit } if |
| 936 | dup dup hsS 1 sub exch hsJ 1 sub get put |
| 937 | } loop |
| 938 | dup hsS 1 sub hsT put |
| 939 | } loop |
| 940 | } bind def |
| 941 | ")) |
| 942 | |
| 943 | \f |
| 944 | ;; EPSF document lay-out. |
| 945 | |
| 946 | (defun ps-mode-epsf-sparse () |
| 947 | "Insert sparse EPSF template." |
| 948 | (interactive) |
| 949 | (goto-char (point-max)) |
| 950 | (unless (re-search-backward "%%EOF[ \t\n]*\\'" nil t) |
| 951 | (goto-char (point-max)) |
| 952 | (insert "\n%%EOF\n")) |
| 953 | (goto-char (point-max)) |
| 954 | (unless (re-search-backward "\\bshowpage[ \t\n]+%%EOF[ \t\n]*\\'" nil t) |
| 955 | (re-search-backward "%%EOF") |
| 956 | (insert "showpage\n")) |
| 957 | (goto-char (point-max)) |
| 958 | (unless (re-search-backward "\\bend[ \t\n]+\\bshowpage[ \t\n]+%%EOF[ \t\n]*\\'" nil t) |
| 959 | (re-search-backward "showpage") |
| 960 | (insert "\nend\n")) |
| 961 | (goto-char (point-min)) |
| 962 | (insert "%!PS-Adobe-3.0 EPSF-3.0\n%%BoundingBox: 0 0 ") |
| 963 | (insert (format "%d %d\n\n" |
| 964 | (car ps-mode-paper-size) |
| 965 | (car (cdr ps-mode-paper-size)))) |
| 966 | (insert "64 dict begin\n\n")) |
| 967 | |
| 968 | (defun ps-mode-epsf-rich () |
| 969 | "Insert rich EPSF template." |
| 970 | (interactive) |
| 971 | (ps-mode-epsf-sparse) |
| 972 | (forward-line -3) |
| 973 | (when buffer-file-name |
| 974 | (insert "%%Title: " (file-name-nondirectory buffer-file-name) "\n")) |
| 975 | (insert "%%Creator: " (user-full-name) "\n") |
| 976 | (insert "%%CreationDate: " (current-time-string) "\n") |
| 977 | (insert "%%EndComments\n") |
| 978 | (forward-line 3)) |
| 979 | |
| 980 | \f |
| 981 | ;; Interactive PostScript interpreter. |
| 982 | |
| 983 | (define-derived-mode ps-run-mode comint-mode "Interactive PS" |
| 984 | "Major mode in interactive PostScript window. |
| 985 | This mode is invoked from `ps-mode' and should not be called directly." |
| 986 | (set (make-local-variable 'font-lock-defaults) |
| 987 | '((ps-run-font-lock-keywords |
| 988 | ps-run-font-lock-keywords-1 |
| 989 | ps-run-font-lock-keywords-2) |
| 990 | t)) |
| 991 | (setq mode-line-process '(":%s"))) |
| 992 | |
| 993 | (defun ps-run-running () |
| 994 | "Error if not in `ps-mode' or not running PostScript." |
| 995 | (unless (derived-mode-p 'ps-mode) |
| 996 | (error "This function can only be called from PostScript mode")) |
| 997 | (unless (equal (process-status "ps-run") 'run) |
| 998 | (error "No PostScript process running"))) |
| 999 | |
| 1000 | (defun ps-run-start () |
| 1001 | "Start interactive PostScript." |
| 1002 | (interactive) |
| 1003 | (let ((command (or (and window-system ps-run-x) ps-run-dumb)) |
| 1004 | (init-file nil) |
| 1005 | (process-connection-type nil) |
| 1006 | (oldwin (selected-window))) |
| 1007 | (unless command |
| 1008 | (error "No command specified to run interactive PostScript")) |
| 1009 | (unless (and ps-run-mark (markerp ps-run-mark)) |
| 1010 | (setq ps-run-mark (make-marker))) |
| 1011 | (when ps-run-init |
| 1012 | (setq init-file (ps-run-make-tmp-filename)) |
| 1013 | (write-region (concat ps-run-init "\n") 0 init-file) |
| 1014 | (setq init-file (list init-file))) |
| 1015 | (pop-to-buffer "*ps-run*") |
| 1016 | (ps-run-mode) |
| 1017 | (when (process-status "ps-run") |
| 1018 | (delete-process "ps-run")) |
| 1019 | (erase-buffer) |
| 1020 | (setq command (append command init-file)) |
| 1021 | (insert (mapconcat 'identity command " ") "\n") |
| 1022 | (apply 'make-comint "ps-run" (car command) nil (cdr command)) |
| 1023 | (with-current-buffer "*ps-run*" |
| 1024 | (use-local-map ps-run-mode-map) |
| 1025 | (setq comint-prompt-regexp ps-run-prompt)) |
| 1026 | (select-window oldwin))) |
| 1027 | |
| 1028 | (defun ps-run-quit () |
| 1029 | "Quit interactive PostScript." |
| 1030 | (interactive) |
| 1031 | (ps-run-send-string "quit") |
| 1032 | (ps-run-cleanup)) |
| 1033 | |
| 1034 | (defun ps-run-kill () |
| 1035 | "Kill interactive PostScript." |
| 1036 | (interactive) |
| 1037 | (delete-process "ps-run") |
| 1038 | (ps-run-cleanup)) |
| 1039 | |
| 1040 | (defun ps-run-clear () |
| 1041 | "Clear/reset PostScript graphics." |
| 1042 | (interactive) |
| 1043 | (ps-run-send-string "showpage") |
| 1044 | (sit-for 1) |
| 1045 | (ps-run-send-string "")) |
| 1046 | |
| 1047 | (defun ps-run-buffer () |
| 1048 | "Send buffer to PostScript interpreter." |
| 1049 | (interactive) |
| 1050 | (ps-run-region (point-min) (point-max))) |
| 1051 | |
| 1052 | (defun ps-run-region (begin end) |
| 1053 | "Send region to PostScript interpreter." |
| 1054 | (interactive "r") |
| 1055 | (ps-run-running) |
| 1056 | (setq ps-run-parent (buffer-name)) |
| 1057 | (let ((f (ps-run-make-tmp-filename))) |
| 1058 | (set-marker ps-run-mark begin) |
| 1059 | (write-region begin end f) |
| 1060 | (ps-run-send-string (format "(%s) run" f)))) |
| 1061 | |
| 1062 | (defun ps-run-boundingbox () |
| 1063 | "View BoundingBox." |
| 1064 | (interactive) |
| 1065 | (ps-run-running) |
| 1066 | (let (x1 y1 x2 y2 f |
| 1067 | (buf (current-buffer))) |
| 1068 | (save-excursion |
| 1069 | (goto-char 1) |
| 1070 | (re-search-forward |
| 1071 | "^%%BoundingBox:[ \t]+\\(-?[0-9]+\\)[ \t]+\\(-?[0-9]+\\)[ \t]+\\(-?[0-9]+\\)[ \t]+\\(-?[0-9]+\\)") |
| 1072 | (setq x1 (match-string 1) |
| 1073 | y1 (match-string 2) |
| 1074 | x2 (match-string 3) |
| 1075 | y2 (match-string 4))) |
| 1076 | (unless (< (string-to-number x1) (string-to-number x2)) |
| 1077 | (error "x1 (%s) should be less than x2 (%s)" x1 x2)) |
| 1078 | (unless (< (string-to-number y1) (string-to-number y2)) |
| 1079 | (error "y1 (%s) should be less than y2 (%s)" y1 y2)) |
| 1080 | (setq f (ps-run-make-tmp-filename)) |
| 1081 | (write-region |
| 1082 | (format |
| 1083 | "gsave |
| 1084 | initgraphics |
| 1085 | 2 setlinewidth |
| 1086 | %s %s moveto |
| 1087 | %s %s lineto |
| 1088 | %s %s lineto |
| 1089 | %s %s lineto |
| 1090 | closepath |
| 1091 | gsave |
| 1092 | [ 4 20 ] 0 setdash |
| 1093 | 1 0 0 setrgbcolor |
| 1094 | stroke |
| 1095 | grestore |
| 1096 | gsave |
| 1097 | [ 4 20 ] 8 setdash |
| 1098 | 0 1 0 setrgbcolor |
| 1099 | stroke |
| 1100 | grestore |
| 1101 | [ 4 20 ] 16 setdash |
| 1102 | 0 0 1 setrgbcolor |
| 1103 | stroke |
| 1104 | grestore |
| 1105 | " x1 y1 x2 y1 x2 y2 x1 y2) |
| 1106 | 0 |
| 1107 | f) |
| 1108 | (ps-run-send-string (format "(%s) run" f)) |
| 1109 | (set-buffer buf))) |
| 1110 | |
| 1111 | (defun ps-run-send-string (string) |
| 1112 | (let ((oldwin (selected-window))) |
| 1113 | (pop-to-buffer "*ps-run*") |
| 1114 | (comint-goto-process-mark) |
| 1115 | (insert string) |
| 1116 | (comint-send-input) |
| 1117 | (select-window oldwin))) |
| 1118 | |
| 1119 | (defun ps-run-make-tmp-filename () |
| 1120 | (unless ps-mode-tmp-file |
| 1121 | (setq ps-mode-tmp-file |
| 1122 | (let ((temporary-file-directory (or ps-run-tmp-dir |
| 1123 | temporary-file-directory))) |
| 1124 | (make-temp-file "ps-run-")))) |
| 1125 | ps-mode-tmp-file) |
| 1126 | |
| 1127 | ;; Remove temporary file |
| 1128 | ;; This shouldn't fail twice, because it is called at kill-emacs |
| 1129 | (defun ps-run-cleanup () |
| 1130 | (when ps-mode-tmp-file |
| 1131 | (let ((i ps-mode-tmp-file)) |
| 1132 | (setq ps-mode-tmp-file nil) |
| 1133 | (when (file-exists-p i) |
| 1134 | (delete-file i))))) |
| 1135 | |
| 1136 | (defun ps-run-mouse-goto-error (event) |
| 1137 | "Set point at mouse click, then call `ps-run-goto-error'." |
| 1138 | (interactive "e") |
| 1139 | (mouse-set-point event) |
| 1140 | (ps-run-goto-error)) |
| 1141 | |
| 1142 | (defun ps-run-goto-error () |
| 1143 | "Jump to buffer position read as integer at point. |
| 1144 | Use line numbers if `ps-run-error-line-numbers' is not nil" |
| 1145 | (interactive) |
| 1146 | (let ((p (point))) |
| 1147 | (unless (looking-at "[0-9]") |
| 1148 | (goto-char (max 1 (1- (point))))) |
| 1149 | (when (looking-at "[0-9]") |
| 1150 | (forward-char 1) |
| 1151 | (forward-word -1) |
| 1152 | (when (looking-at "[0-9]+") |
| 1153 | (let (i) |
| 1154 | (setq |
| 1155 | i |
| 1156 | (string-to-number |
| 1157 | (buffer-substring (match-beginning 0) (match-end 0)))) |
| 1158 | (goto-char p) |
| 1159 | (pop-to-buffer ps-run-parent) |
| 1160 | (if ps-run-error-line-numbers |
| 1161 | (progn |
| 1162 | (goto-char (marker-position ps-run-mark)) |
| 1163 | (forward-line (1- i)) |
| 1164 | (end-of-line)) |
| 1165 | (goto-char (+ i (marker-position ps-run-mark))))))))) |
| 1166 | |
| 1167 | \f |
| 1168 | ;; |
| 1169 | (add-hook 'kill-emacs-hook 'ps-run-cleanup) |
| 1170 | |
| 1171 | (provide 'ps-mode) |
| 1172 | |
| 1173 | ;;; ps-mode.el ends here |