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95a045bd | 1 | ;;; tex-mode.el --- TeX, LaTeX, and SliTeX mode commands -*- coding: utf-8 -*- |
d501f516 | 2 | |
dd166d5f | 3 | ;; Copyright (C) 1985, 1986, 1989, 1992, 1994, 1995, 1996, 1997, 1998, 1999, |
d7a0267c | 4 | ;; 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc. |
eea8d4ef | 5 | |
70f20973 | 6 | ;; Maintainer: FSF |
d7b4d18f | 7 | ;; Keywords: tex |
e5167999 | 8 | |
528415e7 | 9 | ;; Contributions over the years by William F. Schelter, Dick King, |
70f20973 | 10 | ;; Stephen Gildea, Michael Prange, Jacob Gore, and Edward M. Reingold. |
528415e7 | 11 | |
869bff31 | 12 | ;; This file is part of GNU Emacs. |
13 | ||
14 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
15 | ;; it under the terms of the GNU General Public License as published by | |
e5167999 | 16 | ;; the Free Software Foundation; either version 2, or (at your option) |
869bff31 | 17 | ;; any later version. |
18 | ||
19 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
20 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
21 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
22 | ;; GNU General Public License for more details. | |
23 | ||
24 | ;; You should have received a copy of the GNU General Public License | |
6da9bbd6 | 25 | ;; along with GNU Emacs; see the file COPYING. If not, write to the |
4fc5845f LK |
26 | ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
27 | ;; Boston, MA 02110-1301, USA. | |
869bff31 | 28 | |
55535639 PJ |
29 | ;;; Commentary: |
30 | ||
e5167999 ER |
31 | ;;; Code: |
32 | ||
bed1b0c8 RS |
33 | ;; Pacify the byte-compiler |
34 | (eval-when-compile | |
35 | (require 'compare-w) | |
ea590e1c | 36 | (require 'cl) |
bed1b0c8 RS |
37 | (require 'skeleton)) |
38 | ||
2e261f76 JB |
39 | (defvar font-lock-comment-face) |
40 | (defvar font-lock-doc-face) | |
41 | ||
a0e9c22a | 42 | (require 'shell) |
2f3067de | 43 | (require 'compile) |
528415e7 | 44 | |
d61140e8 | 45 | (defgroup tex-file nil |
d1218e3e | 46 | "TeX files and directories." |
d61140e8 RS |
47 | :prefix "tex-" |
48 | :group 'tex) | |
49 | ||
50 | (defgroup tex-run nil | |
d1218e3e | 51 | "Running external commands from TeX mode." |
d61140e8 RS |
52 | :prefix "tex-" |
53 | :group 'tex) | |
54 | ||
55 | (defgroup tex-view nil | |
d1218e3e | 56 | "Viewing and printing TeX files." |
d61140e8 RS |
57 | :prefix "tex-" |
58 | :group 'tex) | |
59 | ||
7e1dae73 | 60 | ;;;###autoload |
d61140e8 RS |
61 | (defcustom tex-shell-file-name nil |
62 | "*If non-nil, the shell file name to run in the subshell used to run TeX." | |
63 | :type '(choice (const :tag "None" nil) | |
64 | string) | |
65 | :group 'tex-run) | |
528415e7 | 66 | |
7e1dae73 | 67 | ;;;###autoload |
d61140e8 | 68 | (defcustom tex-directory "." |
f73741fc | 69 | "*Directory in which temporary files are written. |
81c735c0 | 70 | You can make this `/tmp' if your TEXINPUTS has no relative directories in it |
528415e7 | 71 | and you don't try to apply \\[tex-region] or \\[tex-buffer] when there are |
d61140e8 RS |
72 | `\\input' commands with relative directories." |
73 | :type 'directory | |
74 | :group 'tex-file) | |
869bff31 | 75 | |
725b7428 | 76 | ;;;###autoload |
d61140e8 | 77 | (defcustom tex-first-line-header-regexp nil |
725b7428 RS |
78 | "Regexp for matching a first line which `tex-region' should include. |
79 | If this is non-nil, it should be a regular expression string; | |
80 | if it matches the first line of the file, | |
d61140e8 RS |
81 | `tex-region' always includes the first line in the TeX run." |
82 | :type '(choice (const :tag "None" nil) | |
83 | regexp) | |
84 | :group 'tex-file) | |
725b7428 | 85 | |
f73741fc | 86 | ;;;###autoload |
d61140e8 | 87 | (defcustom tex-main-file nil |
f73741fc | 88 | "*The main TeX source file which includes this buffer's file. |
be4a962d RS |
89 | The command `tex-file' runs TeX on the file specified by `tex-main-file' |
90 | if the variable is non-nil." | |
d61140e8 RS |
91 | :type '(choice (const :tag "None" nil) |
92 | file) | |
93 | :group 'tex-file) | |
f73741fc | 94 | |
7e1dae73 | 95 | ;;;###autoload |
d61140e8 RS |
96 | (defcustom tex-offer-save t |
97 | "*If non-nil, ask about saving modified buffers before \\[tex-file] is run." | |
98 | :type 'boolean | |
99 | :group 'tex-file) | |
869bff31 | 100 | |
7e1dae73 | 101 | ;;;###autoload |
d61140e8 | 102 | (defcustom tex-run-command "tex" |
869bff31 | 103 | "*Command used to run TeX subjob. |
c3ce7bf4 RS |
104 | TeX Mode sets `tex-command' to this string. |
105 | See the documentation of that variable." | |
d61140e8 RS |
106 | :type 'string |
107 | :group 'tex-run) | |
869bff31 | 108 | |
7e1dae73 | 109 | ;;;###autoload |
d61140e8 | 110 | (defcustom latex-run-command "latex" |
869bff31 | 111 | "*Command used to run LaTeX subjob. |
c3ce7bf4 RS |
112 | LaTeX Mode sets `tex-command' to this string. |
113 | See the documentation of that variable." | |
d61140e8 RS |
114 | :type 'string |
115 | :group 'tex-run) | |
528415e7 | 116 | |
bed1b0c8 RS |
117 | ;;;###autoload |
118 | (defcustom slitex-run-command "slitex" | |
119 | "*Command used to run SliTeX subjob. | |
c3ce7bf4 RS |
120 | SliTeX Mode sets `tex-command' to this string. |
121 | See the documentation of that variable." | |
bed1b0c8 RS |
122 | :type 'string |
123 | :group 'tex-run) | |
124 | ||
c3ce7bf4 | 125 | ;;;###autoload |
95a045bd | 126 | (defcustom tex-start-options "" |
9e0ad27a | 127 | "*TeX options to use when starting TeX. |
95a045bd SM |
128 | These immediately precede the commands in `tex-start-commands' |
129 | and the input file name, with no separating space and are not shell-quoted. | |
130 | If nil, TeX runs with no options. See the documentation of `tex-command'." | |
131 | :type 'string | |
bed1b0c8 | 132 | :group 'tex-run |
bf247b6e | 133 | :version "22.1") |
9e0ad27a RS |
134 | |
135 | ;;;###autoload | |
136 | (defcustom tex-start-commands "\\nonstopmode\\input" | |
137 | "*TeX commands to use when starting TeX. | |
95a045bd SM |
138 | They are shell-quoted and precede the input file name, with a separating space. |
139 | If nil, no commands are used. See the documentation of `tex-command'." | |
9e0ad27a RS |
140 | :type '(radio (const :tag "Interactive \(nil\)" nil) |
141 | (const :tag "Nonstop \(\"\\nonstopmode\\input\"\)" | |
142 | "\\nonstopmode\\input") | |
143 | (string :tag "String at your choice")) | |
144 | :group 'tex-run | |
bf247b6e | 145 | :version "22.1") |
bed1b0c8 | 146 | |
7afecb99 | 147 | (defvar latex-standard-block-names |
dd459839 SM |
148 | '("abstract" "array" "center" "description" |
149 | "displaymath" "document" "enumerate" "eqnarray" | |
150 | "eqnarray*" "equation" "figure" "figure*" | |
151 | "flushleft" "flushright" "itemize" "letter" | |
152 | "list" "minipage" "picture" "quotation" | |
153 | "quote" "slide" "sloppypar" "tabbing" | |
154 | "table" "table*" "tabular" "tabular*" | |
155 | "thebibliography" "theindex*" "titlepage" "trivlist" | |
156 | "verbatim" "verbatim*" "verse" "math") | |
528415e7 RS |
157 | "Standard LaTeX block names.") |
158 | ||
7e1dae73 | 159 | ;;;###autoload |
d61140e8 | 160 | (defcustom latex-block-names nil |
528415e7 | 161 | "*User defined LaTeX block names. |
7afecb99 | 162 | Combined with `latex-standard-block-names' for minibuffer completion." |
d61140e8 RS |
163 | :type '(repeat string) |
164 | :group 'tex-run) | |
869bff31 | 165 | |
7e1dae73 | 166 | ;;;###autoload |
d61140e8 | 167 | (defcustom tex-bibtex-command "bibtex" |
528415e7 | 168 | "*Command used by `tex-bibtex-file' to gather bibliographic data. |
81c735c0 | 169 | If this string contains an asterisk (`*'), that is replaced by the file name; |
d61140e8 RS |
170 | otherwise, the file name, preceded by blank, is added at the end." |
171 | :type 'string | |
172 | :group 'tex-run) | |
869bff31 | 173 | |
7e1dae73 | 174 | ;;;###autoload |
d61140e8 | 175 | (defcustom tex-dvi-print-command "lpr -d" |
528415e7 | 176 | "*Command used by \\[tex-print] to print a .dvi file. |
81c735c0 | 177 | If this string contains an asterisk (`*'), that is replaced by the file name; |
d61140e8 RS |
178 | otherwise, the file name, preceded by blank, is added at the end." |
179 | :type 'string | |
180 | :group 'tex-view) | |
528415e7 | 181 | |
7e1dae73 | 182 | ;;;###autoload |
d61140e8 | 183 | (defcustom tex-alt-dvi-print-command "lpr -d" |
528415e7 | 184 | "*Command used by \\[tex-print] with a prefix arg to print a .dvi file. |
81c735c0 RS |
185 | If this string contains an asterisk (`*'), that is replaced by the file name; |
186 | otherwise, the file name, preceded by blank, is added at the end. | |
528415e7 | 187 | |
81c735c0 RS |
188 | If two printers are not enough of a choice, you can set the variable |
189 | `tex-alt-dvi-print-command' to an expression that asks what you want; | |
528415e7 RS |
190 | for example, |
191 | ||
192 | (setq tex-alt-dvi-print-command | |
193 | '(format \"lpr -P%s\" (read-string \"Use printer: \"))) | |
194 | ||
195 | would tell \\[tex-print] with a prefix argument to ask you which printer to | |
d61140e8 RS |
196 | use." |
197 | :type '(choice (string :tag "Command") | |
198 | (sexp :tag "Expression")) | |
199 | :group 'tex-view) | |
869bff31 | 200 | |
7e1dae73 | 201 | ;;;###autoload |
dd166d5f SM |
202 | (defcustom tex-dvi-view-command |
203 | '(cond | |
204 | ((eq window-system 'x) "xdvi") | |
bf247b6e | 205 | ((eq window-system 'w32) "yap") |
dd166d5f | 206 | (t "dvi2tty * | cat -s")) |
81c735c0 | 207 | "*Command used by \\[tex-view] to display a `.dvi' file. |
746c30e2 | 208 | If it is a string, that specifies the command directly. |
81c735c0 | 209 | If this string contains an asterisk (`*'), that is replaced by the file name; |
746c30e2 | 210 | otherwise, the file name, preceded by a space, is added at the end. |
528415e7 | 211 | |
746c30e2 RS |
212 | If the value is a form, it is evaluated to get the command to use." |
213 | :type '(choice (const nil) string sexp) | |
d61140e8 | 214 | :group 'tex-view) |
869bff31 | 215 | |
7e1dae73 | 216 | ;;;###autoload |
d61140e8 | 217 | (defcustom tex-show-queue-command "lpq" |
528415e7 | 218 | "*Command used by \\[tex-show-print-queue] to show the print queue. |
d61140e8 RS |
219 | Should show the queue(s) that \\[tex-print] puts jobs on." |
220 | :type 'string | |
221 | :group 'tex-view) | |
869bff31 | 222 | |
7e1dae73 | 223 | ;;;###autoload |
9920303f | 224 | (defcustom tex-default-mode 'latex-mode |
869bff31 | 225 | "*Mode to enter for a new file that might be either TeX or LaTeX. |
226 | This variable is used when it can't be determined whether the file | |
227 | is plain TeX or LaTeX or what because the file contains no commands. | |
d61140e8 RS |
228 | Normally set to either `plain-tex-mode' or `latex-mode'." |
229 | :type 'function | |
230 | :group 'tex) | |
869bff31 | 231 | |
7e1dae73 | 232 | ;;;###autoload |
d61140e8 RS |
233 | (defcustom tex-open-quote "``" |
234 | "*String inserted by typing \\[tex-insert-quote] to open a quotation." | |
235 | :type 'string | |
95a045bd | 236 | :options '("``" "\"<" "\"`" "<<" "«") |
d61140e8 | 237 | :group 'tex) |
869bff31 | 238 | |
7e1dae73 | 239 | ;;;###autoload |
d61140e8 RS |
240 | (defcustom tex-close-quote "''" |
241 | "*String inserted by typing \\[tex-insert-quote] to close a quotation." | |
242 | :type 'string | |
95a045bd | 243 | :options '("''" "\">" "\"'" ">>" "»") |
d61140e8 | 244 | :group 'tex) |
869bff31 | 245 | |
528415e7 RS |
246 | (defvar tex-last-temp-file nil |
247 | "Latest temporary file generated by \\[tex-region] and \\[tex-buffer]. | |
248 | Deleted when the \\[tex-region] or \\[tex-buffer] is next run, or when the | |
81c735c0 | 249 | tex shell terminates.") |
528415e7 | 250 | |
95a045bd | 251 | (defvar tex-command "tex" |
c3ce7bf4 | 252 | "*Command to run TeX. |
95a045bd | 253 | If this string contains an asterisk \(`*'\), that is replaced by the file name; |
9e0ad27a RS |
254 | otherwise the value of `tex-start-options', the \(shell-quoted\) |
255 | value of `tex-start-commands', and the file name are added at the end | |
256 | with blanks as separators. | |
c3ce7bf4 RS |
257 | |
258 | In TeX, LaTeX, and SliTeX Mode this variable becomes buffer local. | |
259 | In these modes, use \\[set-variable] if you want to change it for the | |
260 | current buffer.") | |
869bff31 | 261 | |
262 | (defvar tex-trailer nil | |
263 | "String appended after the end of a region sent to TeX by \\[tex-region].") | |
264 | ||
265 | (defvar tex-start-of-header nil | |
898b9ac1 | 266 | "Regular expression used by \\[tex-region] to find start of file's header.") |
869bff31 | 267 | |
268 | (defvar tex-end-of-header nil | |
898b9ac1 | 269 | "Regular expression used by \\[tex-region] to find end of file's header.") |
869bff31 | 270 | |
271 | (defvar tex-shell-cd-command "cd" | |
272 | "Command to give to shell running TeX to change directory. | |
81c735c0 | 273 | The value of `tex-directory' is appended to this, separated by a space.") |
869bff31 | 274 | |
275 | (defvar tex-zap-file nil | |
276 | "Temporary file name used for text being sent as input to TeX. | |
277 | Should be a simple file name with no extension or directory specification.") | |
278 | ||
279 | (defvar tex-last-buffer-texed nil | |
280 | "Buffer which was last TeXed.") | |
281 | ||
282 | (defvar tex-print-file nil | |
283 | "File name that \\[tex-print] prints. | |
284 | Set by \\[tex-region], \\[tex-buffer], and \\[tex-file].") | |
285 | ||
8a591d52 SM |
286 | (defvar tex-mode-syntax-table |
287 | (let ((st (make-syntax-table))) | |
288 | (modify-syntax-entry ?% "<" st) | |
289 | (modify-syntax-entry ?\n ">" st) | |
290 | (modify-syntax-entry ?\f ">" st) | |
291 | (modify-syntax-entry ?\C-@ "w" st) | |
292 | (modify-syntax-entry ?' "w" st) | |
293 | (modify-syntax-entry ?@ "_" st) | |
294 | (modify-syntax-entry ?* "_" st) | |
295 | (modify-syntax-entry ?\t " " st) | |
bca7a08b SM |
296 | ;; ~ is printed by TeX as a space, but it's semantics in the syntax |
297 | ;; of TeX is not `whitespace' (i.e. it's just like \hspace{foo}). | |
8a591d52 SM |
298 | (modify-syntax-entry ?~ "." st) |
299 | (modify-syntax-entry ?$ "$$" st) | |
300 | (modify-syntax-entry ?\\ "/" st) | |
301 | (modify-syntax-entry ?\" "." st) | |
302 | (modify-syntax-entry ?& "." st) | |
303 | (modify-syntax-entry ?_ "." st) | |
304 | (modify-syntax-entry ?^ "." st) | |
305 | st) | |
869bff31 | 306 | "Syntax table used while in TeX mode.") |
53c4fe47 SM |
307 | \f |
308 | ;;;; | |
309 | ;;;; Imenu support | |
310 | ;;;; | |
869bff31 | 311 | |
d6709b80 | 312 | (defcustom latex-imenu-indent-string ". " |
a53c647b RS |
313 | "*String to add repeated in front of nested sectional units for Imenu. |
314 | An alternative value is \" . \", if you use a font with a narrow period." | |
315 | :type 'string | |
316 | :group 'tex) | |
317 | ||
d6709b80 SM |
318 | (defvar latex-section-alist |
319 | '(("part" . 0) ("chapter" . 1) | |
320 | ("section" . 2) ("subsection" . 3) | |
321 | ("subsubsection" . 4) | |
322 | ("paragraph" . 5) ("subparagraph" . 6))) | |
323 | ||
53c4fe47 SM |
324 | (defvar latex-metasection-list |
325 | '("documentstyle" "documentclass" | |
326 | "begin{document}" "end{document}" | |
327 | "appendix" "frontmatter" "mainmatter" "backmatter")) | |
328 | ||
a5e2ae01 | 329 | (defun latex-imenu-create-index () |
53c4fe47 SM |
330 | "Generate an alist for imenu from a LaTeX buffer." |
331 | (let ((section-regexp | |
332 | (concat "\\\\" (regexp-opt (mapcar 'car latex-section-alist) t) | |
333 | "\\*?[ \t]*{")) | |
334 | (metasection-regexp | |
335 | (concat "\\\\" (regexp-opt latex-metasection-list t))) | |
336 | i0 menu case-fold-search) | |
a53c647b RS |
337 | (save-excursion |
338 | ;; Find the top-most level in this file but don't allow it to be | |
339 | ;; any deeper than "section" (which is top-level in an article). | |
340 | (goto-char (point-min)) | |
341 | (if (search-forward-regexp "\\\\part\\*?[ \t]*{" nil t) | |
342 | (setq i0 0) | |
343 | (if (search-forward-regexp "\\\\chapter\\*?[ \t]*{" nil t) | |
344 | (setq i0 1) | |
345 | (setq i0 2))) | |
346 | ||
347 | ;; Look for chapters and sections. | |
348 | (goto-char (point-min)) | |
53c4fe47 | 349 | (while (search-forward-regexp section-regexp nil t) |
a53c647b RS |
350 | (let ((start (match-beginning 0)) |
351 | (here (point)) | |
352 | (i (cdr (assoc (buffer-substring-no-properties | |
353 | (match-beginning 1) | |
354 | (match-end 1)) | |
d6709b80 | 355 | latex-section-alist)))) |
a53c647b RS |
356 | (backward-char 1) |
357 | (condition-case err | |
358 | (progn | |
359 | ;; Using sexps allows some use of matching {...} inside | |
360 | ;; titles. | |
361 | (forward-sexp 1) | |
d6709b80 SM |
362 | (push (cons (concat (apply 'concat |
363 | (make-list | |
364 | (max 0 (- i i0)) | |
365 | latex-imenu-indent-string)) | |
366 | (buffer-substring-no-properties | |
367 | here (1- (point)))) | |
368 | start) | |
369 | menu)) | |
a53c647b RS |
370 | (error nil)))) |
371 | ||
372 | ;; Look for included material. | |
373 | (goto-char (point-min)) | |
374 | (while (search-forward-regexp | |
375 | "\\\\\\(include\\|input\\|verbatiminput\\|bibliography\\)\ | |
53c4fe47 | 376 | \[ \t]*{\\([^}\n]+\\)}" |
a53c647b | 377 | nil t) |
53c4fe47 SM |
378 | (push (cons (concat "<<" (buffer-substring-no-properties |
379 | (match-beginning 2) | |
380 | (match-end 2)) | |
381 | (if (= (char-after (match-beginning 1)) ?b) | |
382 | ".bbl" | |
383 | ".tex")) | |
384 | (match-beginning 0)) | |
385 | menu)) | |
a53c647b RS |
386 | |
387 | ;; Look for \frontmatter, \mainmatter, \backmatter, and \appendix. | |
388 | (goto-char (point-min)) | |
53c4fe47 SM |
389 | (while (search-forward-regexp metasection-regexp nil t) |
390 | (push (cons "--" (match-beginning 0)) menu)) | |
a53c647b RS |
391 | |
392 | ;; Sort in increasing buffer position order. | |
393 | (sort menu (function (lambda (a b) (< (cdr a) (cdr b)))))))) | |
53c4fe47 SM |
394 | \f |
395 | ;;;; | |
396 | ;;;; Outline support | |
397 | ;;;; | |
398 | ||
399 | (defvar latex-outline-regexp | |
400 | (concat "\\\\" | |
401 | (regexp-opt (append latex-metasection-list | |
402 | (mapcar 'car latex-section-alist)) t))) | |
403 | ||
404 | (defun latex-outline-level () | |
405 | (if (looking-at latex-outline-regexp) | |
406 | (1+ (or (cdr (assoc (match-string 1) latex-section-alist)) -1)) | |
407 | 1000)) | |
408 | \f | |
409 | ;;;; | |
410 | ;;;; Font-Lock support | |
411 | ;;;; | |
412 | ||
413 | ;(defvar tex-font-lock-keywords | |
414 | ; ;; Regexps updated with help from Ulrik Dickow <dickow@nbi.dk>. | |
415 | ; '(("\\\\\\(begin\\|end\\|newcommand\\){\\([a-zA-Z0-9\\*]+\\)}" | |
416 | ; 2 font-lock-function-name-face) | |
417 | ; ("\\\\\\(cite\\|label\\|pageref\\|ref\\){\\([^} \t\n]+\\)}" | |
418 | ; 2 font-lock-constant-face) | |
419 | ; ;; It seems a bit dubious to use `bold' and `italic' faces since we might | |
420 | ; ;; not be able to display those fonts. | |
421 | ; ("{\\\\bf\\([^}]+\\)}" 1 'bold keep) | |
422 | ; ("{\\\\\\(em\\|it\\|sl\\)\\([^}]+\\)}" 2 'italic keep) | |
423 | ; ("\\\\\\([a-zA-Z@]+\\|.\\)" . font-lock-keyword-face) | |
424 | ; ("^[ \t\n]*\\\\def[\\\\@]\\(\\w+\\)" 1 font-lock-function-name-face keep)) | |
425 | ; ;; Rewritten and extended for LaTeX2e by Ulrik Dickow <dickow@nbi.dk>. | |
426 | ; '(("\\\\\\(begin\\|end\\|newcommand\\){\\([a-zA-Z0-9\\*]+\\)}" | |
427 | ; 2 font-lock-function-name-face) | |
428 | ; ("\\\\\\(cite\\|label\\|pageref\\|ref\\){\\([^} \t\n]+\\)}" | |
429 | ; 2 font-lock-constant-face) | |
430 | ; ("^[ \t]*\\\\def\\\\\\(\\(\\w\\|@\\)+\\)" 1 font-lock-function-name-face) | |
431 | ; "\\\\\\([a-zA-Z@]+\\|.\\)" | |
432 | ; ;; It seems a bit dubious to use `bold' and `italic' faces since we might | |
433 | ; ;; not be able to display those fonts. | |
434 | ; ;; LaTeX2e: \emph{This is emphasized}. | |
435 | ; ("\\\\emph{\\([^}]+\\)}" 1 'italic keep) | |
436 | ; ;; LaTeX2e: \textbf{This is bold}, \textit{...}, \textsl{...} | |
437 | ; ("\\\\text\\(\\(bf\\)\\|it\\|sl\\){\\([^}]+\\)}" | |
438 | ; 3 (if (match-beginning 2) 'bold 'italic) keep) | |
439 | ; ;; Old-style bf/em/it/sl. Stop at `\\' and un-escaped `&', for tables. | |
440 | ; ("\\\\\\(\\(bf\\)\\|em\\|it\\|sl\\)\\>\\(\\([^}&\\]\\|\\\\[^\\]\\)+\\)" | |
441 | ; 3 (if (match-beginning 2) 'bold 'italic) keep)) | |
442 | ||
443 | ;; Rewritten with the help of Alexandra Bac <abac@welcome.disi.unige.it>. | |
444 | (defconst tex-font-lock-keywords-1 | |
445 | (eval-when-compile | |
446 | (let* (;; Names of commands whose arg should be fontified as heading, etc. | |
447 | (headings (regexp-opt | |
448 | '("title" "begin" "end" "chapter" "part" | |
449 | "section" "subsection" "subsubsection" | |
450 | "paragraph" "subparagraph" "subsubparagraph" | |
7afecb99 SM |
451 | "newcommand" "renewcommand" "providecommand" |
452 | "newenvironment" "renewenvironment" | |
453 | "newtheorem" "renewtheorem") | |
53c4fe47 SM |
454 | t)) |
455 | (variables (regexp-opt | |
456 | '("newcounter" "newcounter*" "setcounter" "addtocounter" | |
457 | "setlength" "addtolength" "settowidth") | |
458 | t)) | |
459 | (includes (regexp-opt | |
460 | '("input" "include" "includeonly" "bibliography" | |
461 | "epsfig" "psfig" "epsf" "nofiles" "usepackage" | |
15ca8de7 | 462 | "documentstyle" "documentclass" "verbatiminput" |
dd166d5f SM |
463 | "includegraphics" "includegraphics*" |
464 | "url" "nolinkurl") | |
53c4fe47 SM |
465 | t)) |
466 | ;; Miscellany. | |
467 | (slash "\\\\") | |
15ca8de7 SM |
468 | (opt " *\\(\\[[^]]*\\] *\\)*") |
469 | ;; This would allow highlighting \newcommand\CMD but requires | |
470 | ;; adapting subgroup numbers below. | |
471 | ;; (arg "\\(?:{\\(\\(?:[^{}\\]+\\|\\\\.\\|{[^}]*}\\)+\\)\\|\\\\[a-z*]+\\)")) | |
1598a961 | 472 | (arg "{\\(\\(?:[^{}\\]+\\|\\\\.\\|{[^}]*}\\)+\\)")) |
53c4fe47 | 473 | (list |
b119fdd5 | 474 | ;; font-lock-syntactic-keywords causes the \ of \end{verbatim} to be |
621f893a | 475 | ;; highlighted as tex-verbatim face. Let's undo that. |
b119fdd5 SM |
476 | ;; This is ugly and brittle :-( --Stef |
477 | '("^\\(\\\\\\)end" (1 (get-text-property (match-end 1) 'face) t)) | |
95a045bd SM |
478 | ;; display $$ math $$ |
479 | ;; We only mark the match between $$ and $$ because the $$ delimiters | |
480 | ;; themselves have already been marked (along with $..$) by syntactic | |
481 | ;; fontification. Also this is done at the very beginning so as to | |
482 | ;; interact with the other keywords in the same way as $...$ does. | |
483 | (list "\\$\\$\\([^$]+\\)\\$\\$" 1 'tex-math-face) | |
53c4fe47 SM |
484 | ;; Heading args. |
485 | (list (concat slash headings "\\*?" opt arg) | |
bdbd9606 SM |
486 | ;; If ARG ends up matching too much (if the {} don't match, f.ex) |
487 | ;; jit-lock will do funny things: when updating the buffer | |
488 | ;; the re-highlighting is only done locally so it will just | |
489 | ;; match the local line, but defer-contextually will | |
490 | ;; match more lines at a time, so ARG will end up matching | |
491 | ;; a lot more, which might suddenly include a comment | |
492 | ;; so you get things highlighted bold when you type them | |
493 | ;; but they get turned back to normal a little while later | |
494 | ;; because "there's already a face there". | |
495 | ;; Using `keep' works around this un-intuitive behavior as well | |
15ca8de7 SM |
496 | ;; as improves the behavior in the very rare case where you do |
497 | ;; have a comment in ARG. | |
bdbd9606 | 498 | 3 'font-lock-function-name-face 'keep) |
7afecb99 SM |
499 | (list (concat slash "\\(?:provide\\|\\(?:re\\)?new\\)command\\** *\\(\\\\[A-Za-z@]+\\)") |
500 | 1 'font-lock-function-name-face 'keep) | |
53c4fe47 | 501 | ;; Variable args. |
15ca8de7 | 502 | (list (concat slash variables " *" arg) 2 'font-lock-variable-name-face) |
53c4fe47 SM |
503 | ;; Include args. |
504 | (list (concat slash includes opt arg) 3 'font-lock-builtin-face) | |
505 | ;; Definitions. I think. | |
15ca8de7 | 506 | '("^[ \t]*\\\\def *\\\\\\(\\(\\w\\|@\\)+\\)" |
bdbd9606 | 507 | 1 font-lock-function-name-face)))) |
53c4fe47 SM |
508 | "Subdued expressions to highlight in TeX modes.") |
509 | ||
1f4cc034 SM |
510 | (defun tex-font-lock-append-prop (prop) |
511 | (unless (memq (get-text-property (match-end 1) 'face) | |
621f893a | 512 | '(font-lock-comment-face tex-verbatim)) |
1f4cc034 SM |
513 | prop)) |
514 | ||
53c4fe47 SM |
515 | (defconst tex-font-lock-keywords-2 |
516 | (append tex-font-lock-keywords-1 | |
517 | (eval-when-compile | |
518 | (let* (;; | |
519 | ;; Names of commands whose arg should be fontified with fonts. | |
1598a961 | 520 | (bold (regexp-opt '("textbf" "textsc" "textup" |
53c4fe47 | 521 | "boldsymbol" "pmb") t)) |
1598a961 | 522 | (italic (regexp-opt '("textit" "textsl" "emph") t)) |
a3d80d4a SM |
523 | ;; FIXME: unimplemented yet. |
524 | ;; (type (regexp-opt '("texttt" "textmd" "textrm" "textsf") t)) | |
53c4fe47 SM |
525 | ;; |
526 | ;; Names of commands whose arg should be fontified as a citation. | |
527 | (citations (regexp-opt | |
528 | '("label" "ref" "pageref" "vref" "eqref" | |
15ca8de7 | 529 | "cite" "nocite" "index" "glossary" "bibitem" |
1598a961 SM |
530 | ;; These are text, rather than citations. |
531 | ;; "caption" "footnote" "footnotemark" "footnotetext" | |
532 | ) | |
53c4fe47 SM |
533 | t)) |
534 | ;; | |
535 | ;; Names of commands that should be fontified. | |
1b741d9e AS |
536 | (specials-1 (regexp-opt '("\\" "\\*") t)) ;; "-" |
537 | (specials-2 (regexp-opt | |
538 | '("linebreak" "nolinebreak" "pagebreak" "nopagebreak" | |
539 | "newline" "newpage" "clearpage" "cleardoublepage" | |
540 | "displaybreak" "allowdisplaybreaks" | |
541 | "enlargethispage") t)) | |
53c4fe47 SM |
542 | (general "\\([a-zA-Z@]+\\**\\|[^ \t\n]\\)") |
543 | ;; | |
544 | ;; Miscellany. | |
545 | (slash "\\\\") | |
15ca8de7 | 546 | (opt " *\\(\\[[^]]*\\] *\\)*") |
7afecb99 | 547 | (args "\\(\\(?:[^{}&\\]+\\|\\\\.\\|{[^}]*}\\)+\\)") |
1598a961 | 548 | (arg "{\\(\\(?:[^{}\\]+\\|\\\\.\\|{[^}]*}\\)+\\)")) |
53c4fe47 SM |
549 | (list |
550 | ;; | |
551 | ;; Citation args. | |
552 | (list (concat slash citations opt arg) 3 'font-lock-constant-face) | |
553 | ;; | |
15ca8de7 | 554 | ;; Text between `` quotes ''. |
95a045bd | 555 | (cons (concat (regexp-opt `("``" "\"<" "\"`" "<<" "«") t) |
7abc9add | 556 | "[^'\">{]+" ;a bit pessimistic |
95a045bd | 557 | (regexp-opt `("''" "\">" "\"'" ">>" "»") t)) |
15ca8de7 SM |
558 | 'font-lock-string-face) |
559 | ;; | |
53c4fe47 | 560 | ;; Command names, special and general. |
1b741d9e AS |
561 | (cons (concat slash specials-1) 'font-lock-warning-face) |
562 | (list (concat "\\(" slash specials-2 "\\)\\([^a-zA-Z@]\\|\\'\\)") | |
563 | 1 'font-lock-warning-face) | |
53c4fe47 SM |
564 | (concat slash general) |
565 | ;; | |
566 | ;; Font environments. It seems a bit dubious to use `bold' etc. faces | |
567 | ;; since we might not be able to display those fonts. | |
1f4cc034 SM |
568 | (list (concat slash bold " *" arg) 2 |
569 | '(tex-font-lock-append-prop 'bold) 'append) | |
570 | (list (concat slash italic " *" arg) 2 | |
571 | '(tex-font-lock-append-prop 'italic) 'append) | |
1598a961 | 572 | ;; (list (concat slash type arg) 2 '(quote bold-italic) 'append) |
53c4fe47 SM |
573 | ;; |
574 | ;; Old-style bf/em/it/sl. Stop at `\\' and un-escaped `&', for tables. | |
7afecb99 | 575 | (list (concat "\\\\\\(em\\|it\\|sl\\)\\>" args) |
1f4cc034 | 576 | 2 '(tex-font-lock-append-prop 'italic) 'append) |
7afecb99 SM |
577 | ;; This is separate from the previous one because of cases like |
578 | ;; {\em foo {\bf bar} bla} where both match. | |
7c357894 | 579 | (list (concat "\\\\\\(bf\\(series\\)?\\)\\>" args) |
9bf211ad | 580 | 3 '(tex-font-lock-append-prop 'bold) 'append))))) |
53c4fe47 SM |
581 | "Gaudy expressions to highlight in TeX modes.") |
582 | ||
7afecb99 SM |
583 | (defun tex-font-lock-suscript (pos) |
584 | (unless (or (memq (get-text-property pos 'face) | |
585 | '(font-lock-constant-face font-lock-builtin-face | |
621f893a | 586 | font-lock-comment-face tex-verbatim)) |
7afecb99 SM |
587 | ;; Check for backslash quoting |
588 | (let ((odd nil) | |
589 | (pos pos)) | |
590 | (while (eq (char-before pos) ?\\) | |
591 | (setq pos (1- pos) odd (not odd))) | |
592 | odd)) | |
593 | (if (eq (char-after pos) ?_) | |
594 | '(face subscript display (raise -0.3)) | |
595 | '(face superscript display (raise +0.3))))) | |
596 | ||
587043f8 SM |
597 | (defun tex-font-lock-match-suscript (limit) |
598 | "Match subscript and superscript patterns up to LIMIT." | |
599 | (when (re-search-forward "[_^] *\\([^\n\\{}]\\|\ | |
e924d021 | 600 | \\\\\\([a-zA-Z@]+\\|[^ \t\n]\\)\\|\\({\\)\\)" limit t) |
587043f8 SM |
601 | (when (match-end 3) |
602 | (let ((beg (match-beginning 3)) | |
603 | (end (save-restriction | |
604 | (narrow-to-region (point-min) limit) | |
605 | (condition-case nil (scan-lists (point) 1 1) (error nil))))) | |
606 | (store-match-data (if end | |
43c50d22 SM |
607 | (list (match-beginning 0) end beg end) |
608 | (list beg beg beg beg))))) | |
587043f8 SM |
609 | t)) |
610 | ||
7afecb99 SM |
611 | (defconst tex-font-lock-keywords-3 |
612 | (append tex-font-lock-keywords-2 | |
587043f8 SM |
613 | '((tex-font-lock-match-suscript |
614 | (1 (tex-font-lock-suscript (match-beginning 0)) append)))) | |
7afecb99 SM |
615 | "Experimental expressions to highlight in TeX modes.") |
616 | ||
53c4fe47 SM |
617 | (defvar tex-font-lock-keywords tex-font-lock-keywords-1 |
618 | "Default expressions to highlight in TeX modes.") | |
0fb4f245 | 619 | |
7afecb99 SM |
620 | (defvar tex-verbatim-environments |
621 | '("verbatim" "verbatim*")) | |
622 | ||
623 | (defvar tex-font-lock-syntactic-keywords | |
624 | (let ((verbs (regexp-opt tex-verbatim-environments t))) | |
625 | `((,(concat "^\\\\begin *{" verbs "}.*\\(\n\\)") 2 "|") | |
1f4cc034 SM |
626 | ;; Technically, we'd like to put the "|" property on the \n preceding |
627 | ;; the \end, but this would have 2 disadvantages: | |
628 | ;; 1 - it's wrong if the verbatim env is empty (the same \n is used to | |
629 | ;; start and end the fenced-string). | |
630 | ;; 2 - font-lock considers the preceding \n as being part of the | |
631 | ;; preceding line, so things gets screwed every time the previous | |
632 | ;; line is re-font-locked on its own. | |
b119fdd5 SM |
633 | ;; There's a hack in tex-font-lock-keywords-1 to remove the verbatim |
634 | ;; face from the \ but C-M-f still jumps to the wrong spot :-( --Stef | |
1f4cc034 | 635 | (,(concat "^\\(\\\\\\)end *{" verbs "}\\(.?\\)") (1 "|") (3 "<")) |
7afecb99 SM |
636 | ;; ("^\\(\\\\\\)begin *{comment}" 1 "< b") |
637 | ;; ("^\\\\end *{comment}.*\\(\n\\)" 1 "> b") | |
3307a4fa SM |
638 | ("\\\\verb\\**\\([^a-z@*]\\)" |
639 | ;; Do it last, because it uses syntax-ppss which needs the | |
640 | ;; syntax-table properties of previous entries. | |
641 | 1 (tex-font-lock-verb (match-end 1)))))) | |
7afecb99 SM |
642 | |
643 | (defun tex-font-lock-unfontify-region (beg end) | |
644 | (font-lock-default-unfontify-region beg end) | |
645 | (while (< beg end) | |
646 | (let ((next (next-single-property-change beg 'display nil end)) | |
647 | (prop (get-text-property beg 'display))) | |
648 | (if (and (eq (car-safe prop) 'raise) | |
649 | (member (car-safe (cdr prop)) '(-0.3 +0.3)) | |
650 | (null (cddr prop))) | |
651 | (put-text-property beg next 'display nil)) | |
652 | (setq beg next)))) | |
653 | ||
654 | (defface superscript | |
655 | '((t :height 0.8)) ;; :raise 0.3 | |
18a8c773 LK |
656 | "Face used for superscripts." |
657 | :group 'tex) | |
7afecb99 SM |
658 | (defface subscript |
659 | '((t :height 0.8)) ;; :raise -0.3 | |
18a8c773 LK |
660 | "Face used for subscripts." |
661 | :group 'tex) | |
bdbd9606 | 662 | |
ad49d9d6 | 663 | (defface tex-math |
bdbd9606 | 664 | '((t :inherit font-lock-string-face)) |
18a8c773 LK |
665 | "Face used to highlight TeX math expressions." |
666 | :group 'tex) | |
ad49d9d6 MB |
667 | ;; backward-compatibility alias |
668 | (put 'tex-math-face 'face-alias 'tex-math) | |
669 | (defvar tex-math-face 'tex-math) | |
670 | ||
671 | (defface tex-verbatim | |
7afecb99 SM |
672 | ;; '((t :inherit font-lock-string-face)) |
673 | '((t :family "courier")) | |
18a8c773 LK |
674 | "Face used to highlight TeX verbatim environments." |
675 | :group 'tex) | |
ad49d9d6 MB |
676 | ;; backward-compatibility alias |
677 | (put 'tex-verbatim-face 'face-alias 'tex-verbatim) | |
678 | (defvar tex-verbatim-face 'tex-verbatim) | |
bdbd9606 | 679 | |
3307a4fa SM |
680 | (defun tex-font-lock-verb (end) |
681 | "Place syntax-table properties on the \verb construct. | |
682 | END is the position of the first delimiter after \verb." | |
683 | (unless (nth 8 (syntax-ppss end)) | |
684 | ;; Do nothing if the \verb construct is itself inside a comment or | |
685 | ;; verbatim env. | |
686 | (save-excursion | |
687 | ;; Let's find the end and mark it. | |
688 | ;; We used to do it inside tex-font-lock-syntactic-face-function, but | |
689 | ;; this leads to funny effects when jumping to the end of the buffer, | |
690 | ;; because font-lock applies font-lock-syntactic-keywords to the whole | |
691 | ;; preceding text but font-lock-syntactic-face-function only to the | |
692 | ;; actually displayed text. | |
693 | (goto-char end) | |
694 | (let ((char (char-before))) | |
695 | (skip-chars-forward (string ?^ char)) ;; Use `end' ? | |
696 | (when (eq (char-syntax (preceding-char)) ?/) | |
697 | (put-text-property (1- (point)) (point) 'syntax-table '(1))) | |
698 | (unless (eobp) | |
699 | (put-text-property (point) (1+ (point)) 'syntax-table '(7)) | |
700 | ;; Cause the rest of the buffer to be re-fontified. | |
701 | ;; (remove-text-properties (1+ (point)) (point-max) '(fontified)) | |
702 | ))) | |
703 | "\"")) | |
704 | ||
bdbd9606 SM |
705 | ;; Use string syntax but math face for $...$. |
706 | (defun tex-font-lock-syntactic-face-function (state) | |
7afecb99 SM |
707 | (let ((char (nth 3 state))) |
708 | (cond | |
709 | ((not char) font-lock-comment-face) | |
710 | ((eq char ?$) tex-math-face) | |
3307a4fa | 711 | (t tex-verbatim-face)))) |
bdbd9606 | 712 | |
53c4fe47 | 713 | \f |
869bff31 | 714 | (defun tex-define-common-keys (keymap) |
81c735c0 | 715 | "Define the keys that we want defined both in TeX mode and in the TeX shell." |
869bff31 | 716 | (define-key keymap "\C-c\C-k" 'tex-kill-job) |
717 | (define-key keymap "\C-c\C-l" 'tex-recenter-output-buffer) | |
718 | (define-key keymap "\C-c\C-q" 'tex-show-print-queue) | |
719 | (define-key keymap "\C-c\C-p" 'tex-print) | |
720 | (define-key keymap "\C-c\C-v" 'tex-view) | |
62a24cb5 RS |
721 | |
722 | (define-key keymap [menu-bar tex] (cons "TeX" (make-sparse-keymap "TeX"))) | |
723 | ||
bdbd9606 SM |
724 | (define-key keymap [menu-bar tex tex-kill-job] |
725 | '(menu-item "Tex Kill" tex-kill-job :enable (tex-shell-running))) | |
cf6d6e8a | 726 | (define-key keymap [menu-bar tex tex-recenter-output-buffer] |
bdbd9606 SM |
727 | '(menu-item "Tex Recenter" tex-recenter-output-buffer |
728 | :enable (get-buffer "*tex-shell*"))) | |
62a24cb5 RS |
729 | (define-key keymap [menu-bar tex tex-show-print-queue] |
730 | '("Show Print Queue" . tex-show-print-queue)) | |
cf6d6e8a | 731 | (define-key keymap [menu-bar tex tex-alt-print] |
bdbd9606 SM |
732 | '(menu-item "Tex Print (alt printer)" tex-alt-print |
733 | :enable (stringp tex-print-file))) | |
734 | (define-key keymap [menu-bar tex tex-print] | |
735 | '(menu-item "Tex Print" tex-print :enable (stringp tex-print-file))) | |
736 | (define-key keymap [menu-bar tex tex-view] | |
737 | '(menu-item "Tex View" tex-view :enable (stringp tex-print-file)))) | |
738 | ||
739 | (defvar tex-mode-map | |
740 | (let ((map (make-sparse-keymap))) | |
15ca8de7 | 741 | (set-keymap-parent map text-mode-map) |
bdbd9606 SM |
742 | (tex-define-common-keys map) |
743 | (define-key map "\"" 'tex-insert-quote) | |
744 | (define-key map "(" 'skeleton-pair-insert-maybe) | |
745 | (define-key map "{" 'skeleton-pair-insert-maybe) | |
746 | (define-key map "[" 'skeleton-pair-insert-maybe) | |
747 | (define-key map "$" 'skeleton-pair-insert-maybe) | |
748 | (define-key map "\n" 'tex-terminate-paragraph) | |
749 | (define-key map "\M-\r" 'latex-insert-item) | |
750 | (define-key map "\C-c}" 'up-list) | |
751 | (define-key map "\C-c{" 'tex-insert-braces) | |
752 | (define-key map "\C-c\C-r" 'tex-region) | |
753 | (define-key map "\C-c\C-b" 'tex-buffer) | |
754 | (define-key map "\C-c\C-f" 'tex-file) | |
75035a80 | 755 | (define-key map "\C-c\C-c" 'tex-compile) |
bdbd9606 | 756 | (define-key map "\C-c\C-i" 'tex-bibtex-file) |
7afecb99 SM |
757 | (define-key map "\C-c\C-o" 'latex-insert-block) |
758 | (define-key map "\C-c\C-e" 'latex-close-block) | |
bdbd9606 SM |
759 | (define-key map "\C-c\C-u" 'tex-goto-last-unclosed-latex-block) |
760 | (define-key map "\C-c\C-m" 'tex-feed-input) | |
761 | (define-key map [(control return)] 'tex-feed-input) | |
762 | (define-key map [menu-bar tex tex-bibtex-file] | |
763 | '("BibTeX File" . tex-bibtex-file)) | |
764 | (define-key map [menu-bar tex tex-validate-region] | |
765 | '(menu-item "Validate Region" tex-validate-region :enable mark-active)) | |
766 | (define-key map [menu-bar tex tex-validate-buffer] | |
767 | '("Validate Buffer" . tex-validate-buffer)) | |
768 | (define-key map [menu-bar tex tex-region] | |
769 | '(menu-item "TeX Region" tex-region :enable mark-active)) | |
770 | (define-key map [menu-bar tex tex-buffer] | |
771 | '("TeX Buffer" . tex-buffer)) | |
772 | (define-key map [menu-bar tex tex-file] '("TeX File" . tex-file)) | |
773 | map) | |
15ca8de7 SM |
774 | "Keymap shared by TeX modes.") |
775 | ||
776 | (defvar latex-mode-map | |
777 | (let ((map (make-sparse-keymap))) | |
778 | (set-keymap-parent map tex-mode-map) | |
a3d80d4a | 779 | (define-key map "\C-c\C-s" 'latex-split-block) |
15ca8de7 SM |
780 | map) |
781 | "Keymap for `latex-mode'. See also `tex-mode-map'.") | |
782 | ||
783 | (defvar plain-tex-mode-map | |
784 | (let ((map (make-sparse-keymap))) | |
785 | (set-keymap-parent map tex-mode-map) | |
786 | map) | |
787 | "Keymap for `plain-tex-mode'. See also `tex-mode-map'.") | |
cf6d6e8a | 788 | |
d6709b80 SM |
789 | (defvar tex-shell-map |
790 | (let ((m (make-sparse-keymap))) | |
791 | (set-keymap-parent m shell-mode-map) | |
792 | (tex-define-common-keys m) | |
793 | m) | |
81c735c0 | 794 | "Keymap for the TeX shell. |
dca5ea48 | 795 | Inherits `shell-mode-map' with a few additions.") |
869bff31 | 796 | |
6da9bbd6 RS |
797 | (defvar tex-face-alist |
798 | '((bold . "{\\bf ") | |
799 | (italic . "{\\it ") | |
800 | (bold-italic . "{\\bi ") ; hypothetical | |
801 | (underline . "\\underline{") | |
802 | (default . "{\\rm ")) | |
803 | "Alist of face and TeX font name for facemenu.") | |
804 | ||
805 | (defvar tex-latex-face-alist | |
806 | `((italic . "{\\em ") | |
807 | ,@tex-face-alist) | |
808 | "Alist of face and LaTeX font name for facemenu.") | |
809 | ||
15ca8de7 SM |
810 | ;; This would be a lot simpler if we just used a regexp search, |
811 | ;; but then it would be too slow. | |
a3d80d4a | 812 | (defun tex-guess-mode () |
d6709b80 | 813 | (let ((mode tex-default-mode) slash comment) |
869bff31 | 814 | (save-excursion |
815 | (goto-char (point-min)) | |
816 | (while (and (setq slash (search-forward "\\" nil t)) | |
817 | (setq comment (let ((search-end (point))) | |
818 | (save-excursion | |
819 | (beginning-of-line) | |
820 | (search-forward "%" search-end t)))))) | |
bdbd9606 SM |
821 | (when (and slash (not comment)) |
822 | (setq mode | |
823 | (if (looking-at | |
824 | (eval-when-compile | |
825 | (concat | |
826 | (regexp-opt '("documentstyle" "documentclass" | |
95a045bd | 827 | "begin" "subsection" "section" |
bca7a08b | 828 | "part" "chapter" "newcommand" |
29a47b89 | 829 | "renewcommand" "RequirePackage") 'words) |
bdbd9606 | 830 | "\\|NeedsTeXFormat{LaTeX"))) |
dd166d5f SM |
831 | (if (and (looking-at |
832 | "document\\(style\\|class\\)\\(\\[.*\\]\\)?{slides}") | |
833 | ;; SliTeX is almost never used any more nowadays. | |
834 | (tex-executable-exists-p slitex-run-command)) | |
bdbd9606 SM |
835 | 'slitex-mode |
836 | 'latex-mode) | |
837 | 'plain-tex-mode)))) | |
d6709b80 | 838 | (funcall mode))) |
e4c8c838 | 839 | |
a3d80d4a SM |
840 | ;; `tex-mode' plays two roles: it's the parent of several sub-modes |
841 | ;; but it's also the function that chooses between those submodes. | |
842 | ;; To tell the difference between those two cases where the function | |
843 | ;; might be called, we check `delay-mode-hooks'. | |
a3d80d4a SM |
844 | (define-derived-mode tex-mode text-mode "generic-TeX" |
845 | (tex-common-initialization)) | |
bca7a08b SM |
846 | ;; We now move the function and define it again. This gives a warning |
847 | ;; in the byte-compiler :-( but it's difficult to avoid because | |
848 | ;; `define-derived-mode' will necessarily define the function once | |
849 | ;; and we need to define it a second time for `autoload' to get the | |
850 | ;; proper docstring. | |
851 | (defalias 'tex-mode-internal (symbol-function 'tex-mode)) | |
852 | ;;;###autoload | |
853 | (defun tex-mode () | |
854 | "Major mode for editing files of input for TeX, LaTeX, or SliTeX. | |
a3d80d4a SM |
855 | Tries to determine (by looking at the beginning of the file) whether |
856 | this file is for plain TeX, LaTeX, or SliTeX and calls `plain-tex-mode', | |
857 | `latex-mode', or `slitex-mode', respectively. If it cannot be determined, | |
858 | such as if there are no commands in the file, the value of `tex-default-mode' | |
859 | says which mode to use." | |
bca7a08b SM |
860 | (interactive) |
861 | (if delay-mode-hooks | |
862 | ;; We're called from one of the children already. | |
863 | (tex-mode-internal) | |
864 | (tex-guess-mode))) | |
a3d80d4a | 865 | |
1639cc2e DK |
866 | ;; The following three autoloaded aliases appear to conflict with |
867 | ;; AUCTeX. However, even though AUCTeX uses the mixed case variants | |
868 | ;; for all mode relevant variables and hooks, the invocation function | |
869 | ;; and setting of `major-mode' themselves need to be lowercase for | |
870 | ;; AUCTeX to provide a fully functional user-level replacement. So | |
871 | ;; these aliases should remain as they are, in particular since AUCTeX | |
872 | ;; users are likely to use them. | |
873 | ||
6503cec3 | 874 | ;;;###autoload |
31e1d920 | 875 | (defalias 'TeX-mode 'tex-mode) |
6503cec3 | 876 | ;;;###autoload |
c3ce7bf4 RS |
877 | (defalias 'plain-TeX-mode 'plain-tex-mode) |
878 | ;;;###autoload | |
31e1d920 | 879 | (defalias 'LaTeX-mode 'latex-mode) |
869bff31 | 880 | |
7229064d | 881 | ;;;###autoload |
a3d80d4a | 882 | (define-derived-mode plain-tex-mode tex-mode "TeX" |
869bff31 | 883 | "Major mode for editing files of input for plain TeX. |
884 | Makes $ and } display the characters they match. | |
885 | Makes \" insert `` when it seems to be the beginning of a quotation, | |
886 | and '' when it appears to be the end; it inserts \" only after a \\. | |
887 | ||
888 | Use \\[tex-region] to run TeX on the current region, plus a \"header\" | |
889 | copied from the top of the file (containing macro definitions, etc.), | |
890 | running TeX under a special subshell. \\[tex-buffer] does the whole buffer. | |
891 | \\[tex-file] saves the buffer and then processes the file. | |
892 | \\[tex-print] prints the .dvi file made by any of these. | |
893 | \\[tex-view] previews the .dvi file made by any of these. | |
894 | \\[tex-bibtex-file] runs bibtex on the file of the current buffer. | |
895 | ||
e6b0b773 | 896 | Use \\[tex-validate-buffer] to check buffer for paragraphs containing |
869bff31 | 897 | mismatched $'s or braces. |
898 | ||
899 | Special commands: | |
15ca8de7 | 900 | \\{plain-tex-mode-map} |
869bff31 | 901 | |
902 | Mode variables: | |
903 | tex-run-command | |
904 | Command string used by \\[tex-region] or \\[tex-buffer]. | |
905 | tex-directory | |
906 | Directory in which to create temporary files for TeX jobs | |
907 | run by \\[tex-region] or \\[tex-buffer]. | |
908 | tex-dvi-print-command | |
909 | Command string used by \\[tex-print] to print a .dvi file. | |
528415e7 RS |
910 | tex-alt-dvi-print-command |
911 | Alternative command string used by \\[tex-print] (when given a prefix | |
912 | argument) to print a .dvi file. | |
869bff31 | 913 | tex-dvi-view-command |
914 | Command string used by \\[tex-view] to preview a .dvi file. | |
915 | tex-show-queue-command | |
916 | Command string used by \\[tex-show-print-queue] to show the print | |
917 | queue that \\[tex-print] put your job on. | |
918 | ||
81c735c0 RS |
919 | Entering Plain-tex mode runs the hook `text-mode-hook', then the hook |
920 | `tex-mode-hook', and finally the hook `plain-tex-mode-hook'. When the | |
921 | special subshell is initiated, the hook `tex-shell-hook' is run." | |
a3d80d4a SM |
922 | (set (make-local-variable 'tex-command) tex-run-command) |
923 | (set (make-local-variable 'tex-start-of-header) "%\\*\\*start of header") | |
924 | (set (make-local-variable 'tex-end-of-header) "%\\*\\*end of header") | |
925 | (set (make-local-variable 'tex-trailer) "\\bye\n")) | |
869bff31 | 926 | |
7229064d | 927 | ;;;###autoload |
a3d80d4a | 928 | (define-derived-mode latex-mode tex-mode "LaTeX" |
869bff31 | 929 | "Major mode for editing files of input for LaTeX. |
930 | Makes $ and } display the characters they match. | |
931 | Makes \" insert `` when it seems to be the beginning of a quotation, | |
932 | and '' when it appears to be the end; it inserts \" only after a \\. | |
933 | ||
934 | Use \\[tex-region] to run LaTeX on the current region, plus the preamble | |
935 | copied from the top of the file (containing \\documentstyle, etc.), | |
936 | running LaTeX under a special subshell. \\[tex-buffer] does the whole buffer. | |
937 | \\[tex-file] saves the buffer and then processes the file. | |
938 | \\[tex-print] prints the .dvi file made by any of these. | |
939 | \\[tex-view] previews the .dvi file made by any of these. | |
940 | \\[tex-bibtex-file] runs bibtex on the file of the current buffer. | |
941 | ||
e6b0b773 | 942 | Use \\[tex-validate-buffer] to check buffer for paragraphs containing |
869bff31 | 943 | mismatched $'s or braces. |
944 | ||
945 | Special commands: | |
15ca8de7 | 946 | \\{latex-mode-map} |
869bff31 | 947 | |
948 | Mode variables: | |
949 | latex-run-command | |
950 | Command string used by \\[tex-region] or \\[tex-buffer]. | |
951 | tex-directory | |
952 | Directory in which to create temporary files for LaTeX jobs | |
953 | run by \\[tex-region] or \\[tex-buffer]. | |
954 | tex-dvi-print-command | |
955 | Command string used by \\[tex-print] to print a .dvi file. | |
528415e7 RS |
956 | tex-alt-dvi-print-command |
957 | Alternative command string used by \\[tex-print] (when given a prefix | |
958 | argument) to print a .dvi file. | |
869bff31 | 959 | tex-dvi-view-command |
960 | Command string used by \\[tex-view] to preview a .dvi file. | |
961 | tex-show-queue-command | |
962 | Command string used by \\[tex-show-print-queue] to show the print | |
963 | queue that \\[tex-print] put your job on. | |
964 | ||
bed1b0c8 | 965 | Entering Latex mode runs the hook `text-mode-hook', then |
81c735c0 RS |
966 | `tex-mode-hook', and finally `latex-mode-hook'. When the special |
967 | subshell is initiated, `tex-shell-hook' is run." | |
a3d80d4a SM |
968 | (set (make-local-variable 'tex-command) latex-run-command) |
969 | (set (make-local-variable 'tex-start-of-header) | |
970 | "\\\\document\\(style\\|class\\)") | |
971 | (set (make-local-variable 'tex-end-of-header) "\\\\begin\\s-*{document}") | |
d9cbee57 | 972 | (set (make-local-variable 'tex-trailer) "\\end{document}\n") |
ab2c9f54 RS |
973 | ;; A line containing just $$ is treated as a paragraph separator. |
974 | ;; A line starting with $$ starts a paragraph, | |
975 | ;; but does not separate paragraphs if it has more stuff on it. | |
d6709b80 | 976 | (setq paragraph-start |
a3d80d4a | 977 | (concat "[ \t]*\\(\\$\\$\\|" |
d6709b80 SM |
978 | "\\\\[][]\\|" |
979 | "\\\\" (regexp-opt (append | |
980 | (mapcar 'car latex-section-alist) | |
981 | '("begin" "label" "end" | |
982 | "item" "bibitem" "newline" "noindent" | |
983 | "newpage" "footnote" "marginpar" | |
984 | "parbox" "caption")) t) | |
985 | "\\>\\|\\\\[a-z]*" (regexp-opt '("space" "skip" "page") t) | |
dd459839 | 986 | "\\>\\)")) |
d6709b80 | 987 | (setq paragraph-separate |
dd459839 | 988 | (concat "[\f%]\\|[ \t]*\\($\\|" |
d6709b80 SM |
989 | "\\\\[][]\\|" |
990 | "\\\\" (regexp-opt (append | |
991 | (mapcar 'car latex-section-alist) | |
992 | '("begin" "label" "end" )) t) | |
993 | "\\>\\|\\\\\\(" (regexp-opt '("item" "bibitem" "newline" | |
994 | "noindent" "newpage" "footnote" | |
995 | "marginpar" "parbox" "caption")) | |
dd459839 SM |
996 | "\\|\\$\\$\\|[a-z]*\\(space\\|skip\\|page[a-z]*\\)" |
997 | "\\>\\)[ \t]*\\($\\|%\\)\\)")) | |
d6709b80 SM |
998 | (set (make-local-variable 'imenu-create-index-function) |
999 | 'latex-imenu-create-index) | |
1000 | (set (make-local-variable 'tex-face-alist) tex-latex-face-alist) | |
95a045bd | 1001 | (add-hook 'fill-nobreak-predicate 'latex-fill-nobreak-predicate nil t) |
ea590e1c | 1002 | (set (make-local-variable 'indent-line-function) 'latex-indent) |
dd459839 | 1003 | (set (make-local-variable 'fill-indent-according-to-mode) t) |
d6709b80 SM |
1004 | (set (make-local-variable 'outline-regexp) latex-outline-regexp) |
1005 | (set (make-local-variable 'outline-level) 'latex-outline-level) | |
53c4fe47 | 1006 | (set (make-local-variable 'forward-sexp-function) 'latex-forward-sexp) |
a3d80d4a | 1007 | (set (make-local-variable 'skeleton-end-hook) nil)) |
869bff31 | 1008 | |
bd2f2323 | 1009 | ;;;###autoload |
d6709b80 | 1010 | (define-derived-mode slitex-mode latex-mode "SliTeX" |
869bff31 | 1011 | "Major mode for editing files of input for SliTeX. |
1012 | Makes $ and } display the characters they match. | |
1013 | Makes \" insert `` when it seems to be the beginning of a quotation, | |
1014 | and '' when it appears to be the end; it inserts \" only after a \\. | |
1015 | ||
1016 | Use \\[tex-region] to run SliTeX on the current region, plus the preamble | |
1017 | copied from the top of the file (containing \\documentstyle, etc.), | |
1018 | running SliTeX under a special subshell. \\[tex-buffer] does the whole buffer. | |
1019 | \\[tex-file] saves the buffer and then processes the file. | |
1020 | \\[tex-print] prints the .dvi file made by any of these. | |
1021 | \\[tex-view] previews the .dvi file made by any of these. | |
1022 | \\[tex-bibtex-file] runs bibtex on the file of the current buffer. | |
1023 | ||
e6b0b773 | 1024 | Use \\[tex-validate-buffer] to check buffer for paragraphs containing |
869bff31 | 1025 | mismatched $'s or braces. |
1026 | ||
1027 | Special commands: | |
15ca8de7 | 1028 | \\{slitex-mode-map} |
869bff31 | 1029 | |
1030 | Mode variables: | |
1031 | slitex-run-command | |
1032 | Command string used by \\[tex-region] or \\[tex-buffer]. | |
1033 | tex-directory | |
1034 | Directory in which to create temporary files for SliTeX jobs | |
1035 | run by \\[tex-region] or \\[tex-buffer]. | |
1036 | tex-dvi-print-command | |
1037 | Command string used by \\[tex-print] to print a .dvi file. | |
528415e7 RS |
1038 | tex-alt-dvi-print-command |
1039 | Alternative command string used by \\[tex-print] (when given a prefix | |
1040 | argument) to print a .dvi file. | |
869bff31 | 1041 | tex-dvi-view-command |
1042 | Command string used by \\[tex-view] to preview a .dvi file. | |
1043 | tex-show-queue-command | |
1044 | Command string used by \\[tex-show-print-queue] to show the print | |
1045 | queue that \\[tex-print] put your job on. | |
1046 | ||
81c735c0 RS |
1047 | Entering SliTeX mode runs the hook `text-mode-hook', then the hook |
1048 | `tex-mode-hook', then the hook `latex-mode-hook', and finally the hook | |
1049 | `slitex-mode-hook'. When the special subshell is initiated, the hook | |
1050 | `tex-shell-hook' is run." | |
869bff31 | 1051 | (setq tex-command slitex-run-command) |
d6709b80 | 1052 | (setq tex-start-of-header "\\\\documentstyle{slides}\\|\\\\documentclass{slides}")) |
869bff31 | 1053 | |
1054 | (defun tex-common-initialization () | |
822eddf4 | 1055 | ;; Regexp isearch should accept newline and formfeed as whitespace. |
d6709b80 | 1056 | (set (make-local-variable 'search-whitespace-regexp) "[ \t\r\n\f]+") |
64db2461 | 1057 | ;; A line containing just $$ is treated as a paragraph separator. |
d6709b80 SM |
1058 | (set (make-local-variable 'paragraph-start) |
1059 | "[ \t]*$\\|[\f\\\\%]\\|[ \t]*\\$\\$") | |
ab2c9f54 RS |
1060 | ;; A line starting with $$ starts a paragraph, |
1061 | ;; but does not separate paragraphs if it has more stuff on it. | |
d6709b80 SM |
1062 | (set (make-local-variable 'paragraph-separate) |
1063 | "[ \t]*$\\|[\f\\\\%]\\|[ \t]*\\$\\$[ \t]*$") | |
1064 | (set (make-local-variable 'comment-start) "%") | |
1065 | (set (make-local-variable 'comment-add) 1) | |
1066 | (set (make-local-variable 'comment-start-skip) | |
5ae0d697 | 1067 | "\\(\\(^\\|[^\\\n]\\)\\(\\\\\\\\\\)*\\)\\(%+ *\\)") |
d6709b80 SM |
1068 | (set (make-local-variable 'parse-sexp-ignore-comments) t) |
1069 | (set (make-local-variable 'compare-windows-whitespace) | |
1070 | 'tex-categorize-whitespace) | |
1071 | (set (make-local-variable 'facemenu-add-face-function) | |
1072 | (lambda (face end) | |
6ecedb40 SM |
1073 | (or (cdr (assq face tex-face-alist)) |
1074 | (error "Face %s not configured for %s mode" face mode-name)))) | |
d6709b80 SM |
1075 | (set (make-local-variable 'facemenu-end-add-face) "}") |
1076 | (set (make-local-variable 'facemenu-remove-face-function) t) | |
1077 | (set (make-local-variable 'font-lock-defaults) | |
7afecb99 SM |
1078 | '((tex-font-lock-keywords tex-font-lock-keywords-1 |
1079 | tex-font-lock-keywords-2 tex-font-lock-keywords-3) | |
d6709b80 SM |
1080 | nil nil ((?$ . "\"")) nil |
1081 | ;; Who ever uses that anyway ??? | |
bdbd9606 SM |
1082 | (font-lock-mark-block-function . mark-paragraph) |
1083 | (font-lock-syntactic-face-function | |
7afecb99 SM |
1084 | . tex-font-lock-syntactic-face-function) |
1085 | (font-lock-unfontify-region-function | |
1086 | . tex-font-lock-unfontify-region) | |
1087 | (font-lock-syntactic-keywords | |
1088 | . tex-font-lock-syntactic-keywords) | |
1089 | (parse-sexp-lookup-properties . t))) | |
95a045bd SM |
1090 | ;; TABs in verbatim environments don't do what you think. |
1091 | (set (make-local-variable 'indent-tabs-mode) nil) | |
7afecb99 | 1092 | ;; Other vars that should be buffer-local. |
869bff31 | 1093 | (make-local-variable 'tex-command) |
1094 | (make-local-variable 'tex-start-of-header) | |
1095 | (make-local-variable 'tex-end-of-header) | |
1096 | (make-local-variable 'tex-trailer)) | |
1097 | ||
869bff31 | 1098 | (defun tex-categorize-whitespace (backward-limit) |
1099 | ;; compare-windows-whitespace is set to this. | |
1100 | ;; This is basically a finite-state machine. | |
1101 | ;; Returns a symbol telling how TeX would treat | |
1102 | ;; the whitespace we are looking at: null, space, or par. | |
1103 | (let ((category 'null) | |
1104 | (not-finished t)) | |
1105 | (skip-chars-backward " \t\n\f" backward-limit) | |
1106 | (while not-finished | |
1107 | (cond ((looking-at "[ \t]+") | |
1108 | (goto-char (match-end 0)) | |
2be5fefb | 1109 | (if (eq category 'null) |
869bff31 | 1110 | (setq category 'space))) |
1111 | ((looking-at "\n") | |
2be5fefb | 1112 | (cond ((eq category 'newline) |
869bff31 | 1113 | (setq category 'par) |
1114 | (setq not-finished nil)) | |
1115 | (t | |
1116 | (setq category 'newline) ;a strictly internal state | |
1117 | (goto-char (match-end 0))))) | |
1118 | ((looking-at "\f+") | |
1119 | (setq category 'par) | |
1120 | (setq not-finished nil)) | |
1121 | (t | |
1122 | (setq not-finished nil)))) | |
1123 | (skip-chars-forward " \t\n\f") | |
2be5fefb | 1124 | (if (eq category 'newline) |
869bff31 | 1125 | 'space ;TeX doesn't distinguish |
1126 | category))) | |
1127 | ||
1128 | (defun tex-insert-quote (arg) | |
1129 | "Insert the appropriate quote marks for TeX. | |
08348502 RS |
1130 | Inserts the value of `tex-open-quote' (normally ``) or `tex-close-quote' |
1131 | \(normally '') depending on the context. With prefix argument, always | |
869bff31 | 1132 | inserts \" characters." |
528415e7 | 1133 | (interactive "*P") |
95a045bd | 1134 | (if (or arg (memq (char-syntax (preceding-char)) '(?/ ?\\)) |
014e29b9 | 1135 | (eq (get-text-property (point) 'face) 'tex-verbatim) |
95a045bd SM |
1136 | (save-excursion |
1137 | (backward-char (length tex-open-quote)) | |
1138 | (when (or (looking-at (regexp-quote tex-open-quote)) | |
1139 | (looking-at (regexp-quote tex-close-quote))) | |
1140 | (delete-char (length tex-open-quote)) | |
1141 | t))) | |
869bff31 | 1142 | (self-insert-command (prefix-numeric-value arg)) |
d1218e3e | 1143 | (insert (if (memq (char-syntax (preceding-char)) '(?\( ?> ?\s)) |
95a045bd | 1144 | tex-open-quote tex-close-quote)))) |
869bff31 | 1145 | |
e6b0b773 MR |
1146 | (defun tex-validate-buffer () |
1147 | "Check current buffer for paragraphs containing mismatched braces or $s. | |
bbd93e41 | 1148 | Their positions are recorded in the buffer `*Occur*'. |
e6b0b773 MR |
1149 | To find a particular invalidity from `*Occur*', switch to that buffer |
1150 | and type C-c C-c or click with mouse-2 | |
1151 | on the line for the invalidity you want to see." | |
869bff31 | 1152 | (interactive) |
bbd93e41 RS |
1153 | (let ((buffer (current-buffer)) |
1154 | (prevpos (point-min)) | |
e6b0b773 MR |
1155 | (linenum nil) |
1156 | (num-matches 0)) | |
bbd93e41 RS |
1157 | (with-output-to-temp-buffer "*Occur*" |
1158 | (princ "Mismatches:\n") | |
a3d80d4a | 1159 | (with-current-buffer standard-output |
bbd93e41 | 1160 | (occur-mode) |
52ab062c CW |
1161 | ;; This won't actually work...Really, this whole thing should |
1162 | ;; be rewritten instead of being a hack on top of occur. | |
1163 | (setq occur-revert-arguments (list nil 0 (list buffer)))) | |
bbd93e41 RS |
1164 | (save-excursion |
1165 | (goto-char (point-max)) | |
52ab062c | 1166 | (while (and (not (bobp))) |
710a0f53 KH |
1167 | (let ((end (point)) |
1168 | prev-end) | |
bbd93e41 | 1169 | ;; Scan the previous paragraph for invalidities. |
710a0f53 KH |
1170 | (if (search-backward "\n\n" nil t) |
1171 | (progn | |
1172 | (setq prev-end (point)) | |
1173 | (forward-char 2)) | |
1174 | (goto-char (setq prev-end (point-min)))) | |
869bff31 | 1175 | (or (tex-validate-region (point) end) |
a3d80d4a | 1176 | (let* ((end (line-beginning-position 2)) |
bbd93e41 RS |
1177 | start tem) |
1178 | (beginning-of-line) | |
1179 | (setq start (point)) | |
1180 | ;; Keep track of line number as we scan, | |
1181 | ;; in a cumulative fashion. | |
1182 | (if linenum | |
1183 | (setq linenum (- linenum (count-lines prevpos (point)))) | |
1184 | (setq linenum (1+ (count-lines 1 start)))) | |
1185 | (setq prevpos (point)) | |
bed1b0c8 | 1186 | ;; Mention this mismatch in *Occur*. |
bbd93e41 | 1187 | ;; Since we scan from end of buffer to beginning, |
e6b0b773 | 1188 | ;; add each mismatch at the beginning of *Occur*. |
bbd93e41 RS |
1189 | (save-excursion |
1190 | (setq tem (point-marker)) | |
1191 | (set-buffer standard-output) | |
1192 | (goto-char (point-min)) | |
1193 | ;; Skip "Mismatches:" header line. | |
1194 | (forward-line 1) | |
e6b0b773 | 1195 | (setq num-matches (1+ num-matches)) |
bbd93e41 | 1196 | (insert-buffer-substring buffer start end) |
e6b0b773 MR |
1197 | (let (text-beg (text-end (point-marker))) |
1198 | (forward-char (- start end)) | |
1199 | (setq text-beg (point-marker)) | |
1200 | (insert (format "%3d: " linenum)) | |
a865de85 EZ |
1201 | (add-text-properties |
1202 | text-beg (- text-end 1) | |
1203 | '(mouse-face highlight | |
1204 | help-echo "mouse-2: go to this invalidity")) | |
1598a961 | 1205 | (put-text-property text-beg (- text-end 1) |
52ab062c | 1206 | 'occur-target tem))))) |
710a0f53 | 1207 | (goto-char prev-end)))) |
bdbd9606 | 1208 | (with-current-buffer standard-output |
003274a0 JPW |
1209 | (let ((no-matches (zerop num-matches))) |
1210 | (if no-matches | |
1211 | (insert "None!\n")) | |
1212 | (if (interactive-p) | |
f04232c3 JPW |
1213 | (message (cond (no-matches "No mismatches found") |
1214 | ((= num-matches 1) "1 mismatch found") | |
1215 | (t "%d mismatches found")) | |
1216 | num-matches))))))) | |
869bff31 | 1217 | |
1218 | (defun tex-validate-region (start end) | |
1219 | "Check for mismatched braces or $'s in region. | |
1220 | Returns t if no mismatches. Returns nil and moves point to suspect | |
1221 | area if a mismatch is found." | |
1222 | (interactive "r") | |
1223 | (let ((failure-point nil) (max-possible-sexps (- end start))) | |
1224 | (save-excursion | |
1225 | (condition-case () | |
1226 | (save-restriction | |
1227 | (narrow-to-region start end) | |
2ed2806c | 1228 | ;; First check that the open and close parens balance in numbers. |
869bff31 | 1229 | (goto-char start) |
e6b0b773 | 1230 | (while (<= 0 (setq max-possible-sexps (1- max-possible-sexps))) |
2ed2806c KH |
1231 | (forward-sexp 1)) |
1232 | ;; Now check that like matches like. | |
1233 | (goto-char start) | |
35dccc62 SM |
1234 | (while (re-search-forward "\\s(" nil t) |
1235 | (save-excursion | |
1236 | (let ((pos (match-beginning 0))) | |
1237 | (goto-char pos) | |
2ed2806c | 1238 | (forward-sexp 1) |
35dccc62 SM |
1239 | (or (eq (preceding-char) (cdr (syntax-after pos))) |
1240 | (eq (char-after pos) (cdr (syntax-after (1- (point))))) | |
1241 | (error "Mismatched parentheses")))))) | |
869bff31 | 1242 | (error |
bed1b0c8 RS |
1243 | (skip-syntax-forward " .>") |
1244 | (setq failure-point (point))))) | |
bdbd9606 SM |
1245 | (if failure-point (goto-char failure-point)) |
1246 | (not failure-point))) | |
869bff31 | 1247 | |
1248 | (defun tex-terminate-paragraph (inhibit-validation) | |
1249 | "Insert two newlines, breaking a paragraph for TeX. | |
81c735c0 | 1250 | Check for mismatched braces or $s in paragraph being terminated. |
869bff31 | 1251 | A prefix arg inhibits the checking." |
528415e7 | 1252 | (interactive "*P") |
869bff31 | 1253 | (or inhibit-validation |
1254 | (save-excursion | |
1255 | (tex-validate-region | |
bed1b0c8 RS |
1256 | (save-excursion |
1257 | (search-backward "\n\n" nil 'move) | |
1258 | (point)) | |
1259 | (point))) | |
869bff31 | 1260 | (message "Paragraph being closed appears to contain a mismatch")) |
1261 | (insert "\n\n")) | |
1262 | ||
7afecb99 | 1263 | (define-skeleton tex-insert-braces |
869bff31 | 1264 | "Make a pair of braces and be poised to type inside of them." |
7afecb99 SM |
1265 | nil |
1266 | ?\{ _ ?}) | |
869bff31 | 1267 | |
9bd4f69c RS |
1268 | ;; This function is used as the value of fill-nobreak-predicate |
1269 | ;; in LaTeX mode. Its job is to prevent line-breaking inside | |
1270 | ;; of a \verb construct. | |
1271 | (defun latex-fill-nobreak-predicate () | |
7afecb99 SM |
1272 | (save-excursion |
1273 | (skip-chars-backward " ") | |
1274 | ;; Don't break after \ since `\ ' has special meaning. | |
1275 | (or (and (not (bobp)) (memq (char-syntax (char-before)) '(?\\ ?/))) | |
1276 | (let ((opoint (point)) | |
1277 | inside) | |
1278 | (beginning-of-line) | |
1279 | (while (re-search-forward "\\\\verb\\(.\\)" opoint t) | |
1280 | (unless (re-search-forward (regexp-quote (match-string 1)) opoint t) | |
1281 | (setq inside t))) | |
1282 | inside)))) | |
9bd4f69c | 1283 | |
53c4fe47 SM |
1284 | (defvar latex-block-default "enumerate") |
1285 | ||
8084f5d8 | 1286 | (defvar latex-block-args-alist |
dd166d5f SM |
1287 | '(("array" nil ?\{ (skeleton-read "Format: ") ?\}) |
1288 | ("tabular" nil ?\{ (skeleton-read "Format: ") ?\}) | |
1289 | ("minipage" nil ?\{ (skeleton-read "Size: ") ?\}) | |
1290 | ("picture" nil ?\( (skeleton-read "SizeX,SizeY: ") ?\)) | |
1291 | ;; FIXME: This is right for Prosper, but not for seminar. | |
1292 | ;; ("slide" nil ?\{ (skeleton-read "Title: ") ?\}) | |
1293 | ) | |
8084f5d8 SM |
1294 | "Skeleton element to use for arguments to particular environments. |
1295 | Every element of the list has the form (NAME . SKEL-ELEM) where NAME is | |
1296 | the name of the environment and SKEL-ELEM is an element to use in | |
1297 | a skeleton (see `skeleton-insert').") | |
1298 | ||
1299 | (defvar latex-block-body-alist | |
1300 | '(("enumerate" nil '(latex-insert-item) > _) | |
1301 | ("itemize" nil '(latex-insert-item) > _) | |
dd166d5f SM |
1302 | ("table" nil "\\caption{" > (skeleton-read "Caption: ") "}" > \n |
1303 | '(if (and (boundp 'reftex-mode) reftex-mode) (reftex-label "table")) | |
1304 | \n _) | |
1305 | ("figure" nil > _ \n "\\caption{" > (skeleton-read "Caption: ") "}" > \n | |
1306 | '(if (and (boundp 'reftex-mode) reftex-mode) (reftex-label "table")))) | |
8084f5d8 SM |
1307 | "Skeleton element to use for the body of particular environments. |
1308 | Every element of the list has the form (NAME . SKEL-ELEM) where NAME is | |
1309 | the name of the environment and SKEL-ELEM is an element to use in | |
1310 | a skeleton (see `skeleton-insert').") | |
1311 | ||
15ca8de7 | 1312 | ;; Like tex-insert-braces, but for LaTeX. |
7afecb99 SM |
1313 | (defalias 'tex-latex-block 'latex-insert-block) |
1314 | (define-skeleton latex-insert-block | |
8a591d52 | 1315 | "Create a matching pair of lines \\begin{NAME} and \\end{NAME} at point. |
869bff31 | 1316 | Puts point on a blank line between them." |
53c4fe47 SM |
1317 | (let ((choice (completing-read (format "LaTeX block name [%s]: " |
1318 | latex-block-default) | |
95a045bd | 1319 | (append latex-block-names |
7afecb99 | 1320 | latex-standard-block-names) |
53c4fe47 SM |
1321 | nil nil nil nil latex-block-default))) |
1322 | (setq latex-block-default choice) | |
7afecb99 | 1323 | (unless (or (member choice latex-standard-block-names) |
53c4fe47 SM |
1324 | (member choice latex-block-names)) |
1325 | ;; Remember new block names for later completion. | |
1326 | (push choice latex-block-names)) | |
1327 | choice) | |
95a045bd | 1328 | \n "\\begin{" str "}" |
8084f5d8 | 1329 | (cdr (assoc str latex-block-args-alist)) |
dd166d5f SM |
1330 | > \n (or (cdr (assoc str latex-block-body-alist)) '(nil > _)) |
1331 | (unless (bolp) '\n) | |
95a045bd | 1332 | "\\end{" str "}" > \n) |
53c4fe47 | 1333 | |
ea590e1c SM |
1334 | (define-skeleton latex-insert-item |
1335 | "Insert a \item macro." | |
1336 | nil | |
15ca8de7 | 1337 | \n "\\item " >) |
ea590e1c | 1338 | |
53c4fe47 SM |
1339 | \f |
1340 | ;;;; | |
1341 | ;;;; LaTeX syntax navigation | |
1342 | ;;;; | |
869bff31 | 1343 | |
5e56fb53 SM |
1344 | (defmacro tex-search-noncomment (&rest body) |
1345 | "Execute BODY as long as it return non-nil and point is in a comment. | |
1346 | Return the value returned by the last execution of BODY." | |
1347 | (declare (debug t)) | |
1348 | (let ((res-sym (make-symbol "result"))) | |
1349 | `(let (,res-sym) | |
1350 | (while | |
1351 | (and (setq ,res-sym (progn ,@body)) | |
1352 | (save-excursion (skip-chars-backward "^\n%") (not (bolp))))) | |
1353 | ,res-sym))) | |
1354 | ||
869bff31 | 1355 | (defun tex-last-unended-begin () |
81c735c0 | 1356 | "Leave point at the beginning of the last `\\begin{...}' that is unended." |
95a045bd | 1357 | (condition-case nil |
5e56fb53 SM |
1358 | (while (and (tex-search-noncomment |
1359 | (re-search-backward "\\\\\\(begin\\|end\\)\\s *{")) | |
95a045bd SM |
1360 | (looking-at "\\\\end")) |
1361 | (tex-last-unended-begin)) | |
1362 | (search-failed (error "Couldn't find unended \\begin")))) | |
869bff31 | 1363 | |
53c4fe47 SM |
1364 | (defun tex-next-unmatched-end () |
1365 | "Leave point at the end of the next `\\end' that is unended." | |
5e56fb53 SM |
1366 | (while (and (tex-search-noncomment |
1367 | (re-search-forward "\\\\\\(begin\\|end\\)\\s *{[^}]+}")) | |
ea590e1c SM |
1368 | (save-excursion (goto-char (match-beginning 0)) |
1369 | (looking-at "\\\\begin"))) | |
53c4fe47 SM |
1370 | (tex-next-unmatched-end))) |
1371 | ||
6a900cf1 ER |
1372 | (defun tex-goto-last-unclosed-latex-block () |
1373 | "Move point to the last unclosed \\begin{...}. | |
1374 | Mark is left at original location." | |
1375 | (interactive) | |
1376 | (let ((spot)) | |
1377 | (save-excursion | |
95a045bd | 1378 | (tex-last-unended-begin) |
6a900cf1 ER |
1379 | (setq spot (point))) |
1380 | (push-mark) | |
1381 | (goto-char spot))) | |
1382 | ||
53c4fe47 SM |
1383 | (defun latex-backward-sexp-1 () |
1384 | "Like (backward-sexp 1) but aware of multi-char elements." | |
1385 | (let ((pos (point)) | |
1386 | (forward-sexp-function)) | |
1387 | (backward-sexp 1) | |
1388 | (if (looking-at "\\\\begin\\>") | |
1389 | (signal 'scan-error | |
1390 | (list "Containing expression ends prematurely" | |
1391 | (point) (prog1 (point) (goto-char pos)))) | |
1392 | (when (eq (char-after) ?{) | |
1393 | (let ((newpos (point))) | |
1394 | (when (ignore-errors (backward-sexp 1) t) | |
e67064e2 SM |
1395 | (if (or (looking-at "\\\\end\\>") |
1396 | ;; In case the \\ ends a verbatim section. | |
1397 | (and (looking-at "end\\>") (eq (char-before) ?\\))) | |
53c4fe47 SM |
1398 | (tex-last-unended-begin) |
1399 | (goto-char newpos)))))))) | |
1400 | ||
1401 | (defun latex-forward-sexp-1 () | |
1402 | "Like (forward-sexp 1) but aware of multi-char elements." | |
1403 | (let ((pos (point)) | |
1404 | (forward-sexp-function)) | |
1405 | (forward-sexp 1) | |
1406 | (let ((newpos (point))) | |
1407 | (skip-syntax-backward "/w") | |
1408 | (cond | |
1409 | ((looking-at "\\\\end\\>") | |
1410 | (signal 'scan-error | |
1411 | (list "Containing expression ends prematurely" | |
1412 | (point) | |
1413 | (prog1 | |
1414 | (progn (ignore-errors (forward-sexp 2)) (point)) | |
1415 | (goto-char pos))))) | |
1416 | ((looking-at "\\\\begin\\>") | |
1417 | (goto-char (match-end 0)) | |
1418 | (tex-next-unmatched-end)) | |
1419 | (t (goto-char newpos)))))) | |
1420 | ||
1421 | (defun latex-forward-sexp (&optional arg) | |
1422 | "Like `forward-sexp' but aware of multi-char elements." | |
1423 | (interactive "P") | |
1424 | (unless arg (setq arg 1)) | |
1425 | (let ((pos (point))) | |
1426 | (condition-case err | |
1427 | (while (/= arg 0) | |
1428 | (setq arg | |
1429 | (if (> arg 0) | |
1430 | (progn (latex-forward-sexp-1) (1- arg)) | |
1431 | (progn (latex-backward-sexp-1) (1+ arg))))) | |
1432 | (scan-error | |
1433 | (goto-char pos) | |
1434 | (signal (car err) (cdr err)))))) | |
1435 | ||
ea590e1c SM |
1436 | (defun latex-syntax-after () |
1437 | "Like (char-syntax (char-after)) but aware of multi-char elements." | |
15ca8de7 | 1438 | (if (looking-at "\\\\end\\>") ?\) (char-syntax (following-char)))) |
ea590e1c SM |
1439 | |
1440 | (defun latex-skip-close-parens () | |
1441 | "Like (skip-syntax-forward \" )\") but aware of multi-char elements." | |
1442 | (let ((forward-sexp-function nil)) | |
1443 | (while (progn (skip-syntax-forward " )") | |
1444 | (looking-at "\\\\end\\>")) | |
1445 | (forward-sexp 2)))) | |
1446 | ||
1447 | (defun latex-down-list () | |
1448 | "Like (down-list 1) but aware of multi-char elements." | |
1449 | (forward-comment (point-max)) | |
1450 | (let ((forward-sexp-function nil)) | |
1451 | (if (not (looking-at "\\\\begin\\>")) | |
1452 | (down-list 1) | |
1453 | (forward-sexp 1) | |
1454 | ;; Skip arguments. | |
7afecb99 SM |
1455 | (while (looking-at "[ \t]*[[{(]") |
1456 | (with-syntax-table tex-mode-syntax-table | |
1457 | (forward-sexp)))))) | |
ea590e1c | 1458 | |
7afecb99 SM |
1459 | (defalias 'tex-close-latex-block 'latex-close-block) |
1460 | (define-skeleton latex-close-block | |
1461 | "Create an \\end{...} to match the last unclosed \\begin{...}." | |
1462 | (save-excursion | |
1463 | (tex-last-unended-begin) | |
1464 | (if (not (looking-at "\\\\begin\\(\\s *{[^}\n]*}\\)")) '("{" _ "}") | |
1465 | (match-string 1))) | |
1466 | \n "\\end" str > \n) | |
1467 | ||
1468 | (define-skeleton latex-split-block | |
1469 | "Split the enclosing environment by inserting \\end{..}\\begin{..} at point." | |
1470 | (save-excursion | |
1471 | (tex-last-unended-begin) | |
1472 | (if (not (looking-at "\\\\begin\\(\\s *{[^}\n]*}\\)")) '("{" _ "}") | |
1473 | (prog1 (match-string 1) | |
1474 | (goto-char (match-end 1)) | |
1475 | (setq v1 (buffer-substring (point) | |
1476 | (progn | |
1477 | (while (looking-at "[ \t]*[[{]") | |
1478 | (forward-sexp 1)) | |
1479 | (point))))))) | |
1480 | \n "\\end" str > \n _ \n "\\begin" str v1 > \n) | |
15ca8de7 SM |
1481 | |
1482 | (defconst tex-discount-args-cmds | |
1483 | '("begin" "end" "input" "special" "cite" "ref" "include" "includeonly" | |
1484 | "documentclass" "usepackage" "label") | |
1485 | "TeX commands whose arguments should not be counted as text.") | |
1486 | ||
1487 | (defun tex-count-words (begin end) | |
1488 | "Count the number of words in the buffer." | |
1489 | (interactive | |
1490 | (if (and transient-mark-mode mark-active) | |
1491 | (list (region-beginning) (region-end)) | |
1492 | (list (point-min) (point-max)))) | |
1493 | ;; TODO: skip comments and math and maybe some environments. | |
1494 | (save-excursion | |
1495 | (goto-char begin) | |
1496 | (let ((count 0)) | |
1497 | (while (and (< (point) end) (re-search-forward "\\<" end t)) | |
1498 | (if (not (eq (char-syntax (preceding-char)) ?/)) | |
1499 | (progn | |
1500 | ;; Don't count single-char words. | |
1501 | (unless (looking-at ".\\>") (incf count)) | |
1502 | (forward-char 1)) | |
1503 | (let ((cmd | |
1504 | (buffer-substring-no-properties | |
1505 | (point) (progn (when (zerop (skip-chars-forward "a-zA-Z@")) | |
1506 | (forward-char 1)) | |
1507 | (point))))) | |
1508 | (when (member cmd tex-discount-args-cmds) | |
1509 | (skip-chars-forward "*") | |
1510 | (forward-comment (point-max)) | |
1511 | (when (looking-at "\\[") | |
1512 | (forward-sexp 1) | |
1513 | (forward-comment (point-max))) | |
1514 | (if (not (looking-at "{")) | |
1515 | (forward-char 1) | |
1516 | (forward-sexp 1)))))) | |
1517 | (message "%s words" count)))) | |
b781e739 SS |
1518 | |
1519 | ||
869bff31 | 1520 | \f |
1521 | ;;; Invoking TeX in an inferior shell. | |
1522 | ||
15ca8de7 SM |
1523 | ;; Why use a shell instead of running TeX directly? Because if TeX |
1524 | ;; gets stuck, the user can switch to the shell window and type at it. | |
869bff31 | 1525 | |
15ca8de7 | 1526 | ;; The utility functions: |
869bff31 | 1527 | |
bdbd9606 | 1528 | (define-derived-mode tex-shell shell-mode "TeX-Shell" |
3f2c97ea SM |
1529 | (set (make-local-variable 'compilation-parse-errors-function) |
1530 | 'tex-compilation-parse-errors) | |
bdbd9606 SM |
1531 | (compilation-shell-minor-mode t)) |
1532 | ||
d974af30 | 1533 | ;;;###autoload |
869bff31 | 1534 | (defun tex-start-shell () |
d6709b80 SM |
1535 | (with-current-buffer |
1536 | (make-comint | |
1537 | "tex-shell" | |
07c16ec4 | 1538 | (or tex-shell-file-name (getenv "ESHELL") shell-file-name) |
4042dc25 | 1539 | nil |
053be11a | 1540 | ;; Specify an interactive shell, to make sure it prompts. |
4042dc25 | 1541 | "-i") |
528415e7 RS |
1542 | (let ((proc (get-process "tex-shell"))) |
1543 | (set-process-sentinel proc 'tex-shell-sentinel) | |
003274a0 | 1544 | (set-process-query-on-exit-flag proc nil) |
bdbd9606 | 1545 | (tex-shell) |
528415e7 | 1546 | (while (zerop (buffer-size)) |
51b2c841 RS |
1547 | (sleep-for 1))))) |
1548 | ||
033306e3 RS |
1549 | (defun tex-feed-input () |
1550 | "Send input to the tex shell process. | |
1551 | In the tex buffer this can be used to continue an interactive tex run. | |
bed1b0c8 | 1552 | In the tex shell buffer this command behaves like `comint-send-input'." |
033306e3 | 1553 | (interactive) |
b781e739 | 1554 | (set-buffer (tex-shell-buf)) |
033306e3 RS |
1555 | (comint-send-input) |
1556 | (tex-recenter-output-buffer nil)) | |
1557 | ||
51b2c841 RS |
1558 | (defun tex-display-shell () |
1559 | "Make the TeX shell buffer visible in a window." | |
b781e739 | 1560 | (display-buffer (tex-shell-buf)) |
51b2c841 | 1561 | (tex-recenter-output-buffer nil)) |
528415e7 RS |
1562 | |
1563 | (defun tex-shell-sentinel (proc msg) | |
1564 | (cond ((null (buffer-name (process-buffer proc))) | |
1565 | ;; buffer killed | |
1566 | (set-process-buffer proc nil) | |
1567 | (tex-delete-last-temp-files)) | |
1568 | ((memq (process-status proc) '(signal exit)) | |
1569 | (tex-delete-last-temp-files)))) | |
1570 | ||
1571 | (defun tex-set-buffer-directory (buffer directory) | |
869bff31 | 1572 | "Set BUFFER's default directory to be DIRECTORY." |
1573 | (setq directory (file-name-as-directory (expand-file-name directory))) | |
1574 | (if (not (file-directory-p directory)) | |
1575 | (error "%s is not a directory" directory) | |
1576 | (save-excursion | |
1577 | (set-buffer buffer) | |
1578 | (setq default-directory directory)))) | |
1579 | ||
30803a05 RS |
1580 | (defvar tex-send-command-modified-tick 0) |
1581 | (make-variable-buffer-local 'tex-send-command-modified-tick) | |
1582 | ||
bdbd9606 | 1583 | (defun tex-shell-proc () |
b781e739 | 1584 | (or (tex-shell-running) (error "No TeX subprocess"))) |
bdbd9606 SM |
1585 | (defun tex-shell-buf () |
1586 | (process-buffer (tex-shell-proc))) | |
b781e739 SS |
1587 | (defun tex-shell-buf-no-error () |
1588 | (let ((proc (tex-shell-running))) | |
1589 | (and proc (process-buffer proc)))) | |
bdbd9606 | 1590 | |
528415e7 | 1591 | (defun tex-send-command (command &optional file background) |
4cdc1d4b | 1592 | "Send COMMAND to TeX shell process, substituting optional FILE for *. |
8241d7b9 ER |
1593 | Do this in background if optional BACKGROUND is t. If COMMAND has no *, |
1594 | FILE will be appended, preceded by a blank, to COMMAND. If FILE is nil, no | |
1595 | substitution will be made in COMMAND. COMMAND can be any expression that | |
460e1b7d RS |
1596 | evaluates to a command string. |
1597 | ||
1598 | Return the process in which TeX is running." | |
528415e7 RS |
1599 | (save-excursion |
1600 | (let* ((cmd (eval command)) | |
bdbd9606 | 1601 | (proc (tex-shell-proc)) |
64db2461 | 1602 | (buf (process-buffer proc)) |
4f45adda | 1603 | (star (string-match "\\*" cmd)) |
4cdc1d4b RS |
1604 | (string |
1605 | (concat | |
8ca66348 SM |
1606 | (if (null file) |
1607 | cmd | |
1608 | (if (file-name-absolute-p file) | |
1609 | (setq file (convert-standard-filename file))) | |
1610 | (if star (concat (substring cmd 0 star) | |
1611 | (shell-quote-argument file) | |
1612 | (substring cmd (1+ star))) | |
1613 | (concat cmd " " (shell-quote-argument file)))) | |
4cdc1d4b | 1614 | (if background "&" "")))) |
64db2461 RS |
1615 | ;; Switch to buffer before checking for subproc output in it. |
1616 | (set-buffer buf) | |
30803a05 RS |
1617 | ;; If text is unchanged since previous tex-send-command, |
1618 | ;; we haven't got any output. So wait for output now. | |
64db2461 | 1619 | (if (= (buffer-modified-tick buf) tex-send-command-modified-tick) |
30803a05 | 1620 | (accept-process-output proc)) |
4cdc1d4b RS |
1621 | (goto-char (process-mark proc)) |
1622 | (insert string) | |
30803a05 | 1623 | (comint-send-input) |
460e1b7d RS |
1624 | (setq tex-send-command-modified-tick (buffer-modified-tick buf)) |
1625 | proc))) | |
528415e7 | 1626 | |
a15849cb RS |
1627 | (defun tex-delete-last-temp-files (&optional not-all) |
1628 | "Delete any junk files from last temp file. | |
1629 | If NOT-ALL is non-nil, save the `.dvi' file." | |
528415e7 RS |
1630 | (if tex-last-temp-file |
1631 | (let* ((dir (file-name-directory tex-last-temp-file)) | |
adf6b7f9 KH |
1632 | (list (and (file-directory-p dir) |
1633 | (file-name-all-completions | |
02fd229c RS |
1634 | (file-name-sans-extension |
1635 | (file-name-nondirectory tex-last-temp-file)) | |
1636 | dir)))) | |
adf6b7f9 | 1637 | (while list |
a15849cb RS |
1638 | (if not-all |
1639 | (and | |
1640 | ;; If arg is non-nil, don't delete the .dvi file. | |
1641 | (not (string-match "\\.dvi$" (car list))) | |
1642 | (delete-file (concat dir (car list)))) | |
1643 | (delete-file (concat dir (car list)))) | |
528415e7 RS |
1644 | (setq list (cdr list)))))) |
1645 | ||
99621a14 | 1646 | (add-hook 'kill-emacs-hook 'tex-delete-last-temp-files) |
869bff31 | 1647 | |
75035a80 SM |
1648 | ;; |
1649 | ;; Machinery to guess the command that the user wants to execute. | |
1650 | ;; | |
1651 | ||
1652 | (defvar tex-compile-history nil) | |
1653 | ||
1654 | (defvar tex-input-files-re | |
1655 | (eval-when-compile | |
1656 | (concat "\\." (regexp-opt '("tex" "texi" "texinfo" | |
1657 | "bbl" "ind" "sty" "cls") t) | |
1658 | ;; Include files with no dots (for directories). | |
1659 | "\\'\\|\\`[^.]+\\'"))) | |
1660 | ||
1661 | (defcustom tex-use-reftex t | |
1662 | "If non-nil, use RefTeX's list of files to determine what command to use." | |
18a8c773 LK |
1663 | :type 'boolean |
1664 | :group 'tex) | |
75035a80 SM |
1665 | |
1666 | (defvar tex-compile-commands | |
1667 | '(((concat "pdf" tex-command | |
bf4ec222 | 1668 | " " (if (< 0 (length tex-start-commands)) |
d18fc930 | 1669 | (shell-quote-argument tex-start-commands)) " %f") |
75035a80 SM |
1670 | t "%r.pdf") |
1671 | ((concat tex-command | |
bf4ec222 | 1672 | " " (if (< 0 (length tex-start-commands)) |
d18fc930 | 1673 | (shell-quote-argument tex-start-commands)) " %f") |
75035a80 SM |
1674 | t "%r.dvi") |
1675 | ("xdvi %r &" "%r.dvi") | |
29a47b89 SM |
1676 | ("xpdf %r.pdf &" "%r.pdf") |
1677 | ("gv %r.ps &" "%r.ps") | |
1678 | ("yap %r &" "%r.dvi") | |
75035a80 | 1679 | ("advi %r &" "%r.dvi") |
29a47b89 | 1680 | ("gv %r.pdf &" "%r.pdf") |
75035a80 SM |
1681 | ("bibtex %r" "%r.aux" "%r.bbl") |
1682 | ("makeindex %r" "%r.idx" "%r.ind") | |
1683 | ("texindex %r.??") | |
1684 | ("dvipdfm %r" "%r.dvi" "%r.pdf") | |
1685 | ("dvipdf %r" "%r.dvi" "%r.pdf") | |
dd166d5f | 1686 | ("dvips -o %r.ps %r" "%r.dvi" "%r.ps") |
e70ff1af | 1687 | ("ps2pdf %r.ps" "%r.ps" "%r.pdf") |
75035a80 SM |
1688 | ("lpr %r.ps" "%r.ps")) |
1689 | "List of commands for `tex-compile'. | |
1690 | Each element should be of the form (FORMAT IN OUT) where | |
1691 | FORMAT is an expression that evaluates to a string that can contain | |
1692 | - `%r' the main file name without extension. | |
1693 | - `%f' the main file name. | |
1694 | IN can be either a string (with the same % escapes in it) indicating | |
1695 | the name of the input file, or t to indicate that the input is all | |
1696 | the TeX files of the document, or nil if we don't know. | |
1697 | OUT describes the output file and is either a %-escaped string | |
1698 | or nil to indicate that there is no output file.") | |
1699 | ||
8084f5d8 SM |
1700 | ;; defsubst* gives better byte-code than defsubst. |
1701 | (defsubst* tex-string-prefix-p (str1 str2) | |
1702 | "Return non-nil if STR1 is a prefix of STR2" | |
1703 | (eq t (compare-strings str2 nil (length str1) str1 nil nil))) | |
1704 | ||
dd459839 SM |
1705 | (defun tex-guess-main-file (&optional all) |
1706 | "Find a likely `tex-main-file'. | |
1707 | Looks for hints in other buffers in the same directory or in | |
8084f5d8 SM |
1708 | ALL other buffers. If ALL is `sub' only look at buffers in parent directories |
1709 | of the current buffer." | |
dd459839 SM |
1710 | (let ((dir default-directory) |
1711 | (header-re tex-start-of-header)) | |
1712 | (catch 'found | |
1713 | ;; Look for a buffer with `tex-main-file' set. | |
1714 | (dolist (buf (if (consp all) all (buffer-list))) | |
1715 | (with-current-buffer buf | |
8084f5d8 SM |
1716 | (when (and (cond |
1717 | ((null all) (equal dir default-directory)) | |
1718 | ((eq all 'sub) (tex-string-prefix-p default-directory dir)) | |
1719 | (t)) | |
dd459839 SM |
1720 | (stringp tex-main-file)) |
1721 | (throw 'found (expand-file-name tex-main-file))))) | |
1722 | ;; Look for a buffer containing the magic `tex-start-of-header'. | |
1723 | (dolist (buf (if (consp all) all (buffer-list))) | |
1724 | (with-current-buffer buf | |
8084f5d8 SM |
1725 | (when (and (cond |
1726 | ((null all) (equal dir default-directory)) | |
1727 | ((eq all 'sub) (tex-string-prefix-p default-directory dir)) | |
1728 | (t)) | |
dd459839 SM |
1729 | buffer-file-name |
1730 | ;; (or (easy-mmode-derived-mode-p 'latex-mode) | |
1731 | ;; (easy-mmode-derived-mode-p 'plain-tex-mode)) | |
1732 | (save-excursion | |
cb30255a SM |
1733 | (save-restriction |
1734 | (widen) | |
1735 | (goto-char (point-min)) | |
95a045bd SM |
1736 | (re-search-forward |
1737 | header-re (+ (point) 10000) t)))) | |
dd459839 SM |
1738 | (throw 'found (expand-file-name buffer-file-name)))))))) |
1739 | ||
07c16ec4 SM |
1740 | (defun tex-main-file () |
1741 | "Return the relative name of the main file." | |
bdbd9606 SM |
1742 | (let* ((file (or tex-main-file |
1743 | ;; Compatibility with AUCTeX. | |
96c0d9e9 | 1744 | (with-no-warnings |
034a48f4 MR |
1745 | (when (boundp 'TeX-master) |
1746 | (cond ((stringp TeX-master) | |
1747 | (make-local-variable 'tex-main-file) | |
1748 | (setq tex-main-file TeX-master)) | |
1749 | ((and (eq TeX-master t) buffer-file-name) | |
1750 | (file-relative-name buffer-file-name))))) | |
bdbd9606 SM |
1751 | ;; Try to guess the main file. |
1752 | (if (not buffer-file-name) | |
1753 | (error "Buffer is not associated with any file") | |
1754 | (file-relative-name | |
1755 | (if (save-excursion | |
1756 | (goto-char (point-min)) | |
95a045bd SM |
1757 | (re-search-forward tex-start-of-header |
1758 | (+ (point) 10000) t)) | |
bdbd9606 SM |
1759 | ;; This is the main file. |
1760 | buffer-file-name | |
1761 | ;; This isn't the main file, let's try to find better, | |
1762 | (or (tex-guess-main-file) | |
8084f5d8 | 1763 | (tex-guess-main-file 'sub) |
bdbd9606 | 1764 | ;; (tex-guess-main-file t) |
07c16ec4 | 1765 | buffer-file-name))))))) |
e70ff1af SM |
1766 | (if (or (file-exists-p file) (string-match "\\.tex\\'" file)) |
1767 | file (concat file ".tex")))) | |
dd459839 | 1768 | |
75035a80 SM |
1769 | (defun tex-summarize-command (cmd) |
1770 | (if (not (stringp cmd)) "" | |
1771 | (mapconcat 'identity | |
1772 | (mapcar (lambda (s) (car (split-string s))) | |
1773 | (split-string cmd "\\s-*\\(?:;\\|&&\\)\\s-*")) | |
1774 | "&"))) | |
1775 | ||
1776 | (defun tex-uptodate-p (file) | |
1777 | "Return non-nil if FILE is not uptodate w.r.t the document source files. | |
1778 | FILE is typically the output DVI or PDF file." | |
1779 | ;; We should check all the files included !!! | |
1780 | (and | |
1781 | ;; Clearly, the target must exist. | |
1782 | (file-exists-p file) | |
1783 | ;; And the last run must not have asked for a rerun. | |
1784 | ;; FIXME: this should check that the last run was done on the same file. | |
1785 | (let ((buf (condition-case nil (tex-shell-buf) (error nil)))) | |
1786 | (when buf | |
1787 | (with-current-buffer buf | |
1788 | (save-excursion | |
1789 | (goto-char (point-max)) | |
1790 | (and (re-search-backward | |
8ca66348 SM |
1791 | (concat |
1792 | "(see the transcript file for additional information)" | |
1793 | "\\|^Output written on .*" | |
1794 | (regexp-quote (file-name-nondirectory file)) | |
1795 | " (.*)\\.") nil t) | |
75035a80 SM |
1796 | (> (save-excursion |
1797 | (or (re-search-backward "\\[[0-9]+\\]" nil t) | |
1798 | (point-min))) | |
1799 | (save-excursion | |
1800 | (or (re-search-backward "Rerun" nil t) | |
1801 | (point-min))))))))) | |
1802 | ;; And the input files must not have been changed in the meantime. | |
1803 | (let ((files (if (and tex-use-reftex | |
1804 | (fboundp 'reftex-scanning-info-available-p) | |
1805 | (reftex-scanning-info-available-p)) | |
1806 | (reftex-all-document-files) | |
1807 | (list (file-name-directory (expand-file-name file))))) | |
1808 | (ignored-dirs-re | |
1809 | (concat | |
1810 | (regexp-opt | |
1811 | (delq nil (mapcar (lambda (s) (if (eq (aref s (1- (length s))) ?/) | |
1812 | (substring s 0 (1- (length s))))) | |
1813 | completion-ignored-extensions)) | |
1814 | t) "\\'")) | |
1815 | (uptodate t)) | |
1816 | (while (and files uptodate) | |
1817 | (let ((f (pop files))) | |
e70ff1af SM |
1818 | (if (and (file-directory-p f) |
1819 | ;; Avoid infinite loops. | |
1820 | (not (file-symlink-p f))) | |
75035a80 SM |
1821 | (unless (string-match ignored-dirs-re f) |
1822 | (setq files (nconc | |
1823 | (directory-files f t tex-input-files-re) | |
1824 | files))) | |
1825 | (when (file-newer-than-file-p f file) | |
1826 | (setq uptodate nil))))) | |
1827 | uptodate))) | |
bf247b6e | 1828 | |
75035a80 SM |
1829 | |
1830 | (autoload 'format-spec "format-spec") | |
1831 | ||
1832 | (defvar tex-executable-cache nil) | |
1833 | (defun tex-executable-exists-p (name) | |
1834 | "Like `executable-find' but with a cache." | |
1835 | (let ((cache (assoc name tex-executable-cache))) | |
1836 | (if cache (cdr cache) | |
1837 | (let ((executable (executable-find name))) | |
1838 | (push (cons name executable) tex-executable-cache) | |
1839 | executable)))) | |
1840 | ||
1841 | (defun tex-command-executable (cmd) | |
1842 | (let ((s (if (stringp cmd) cmd (eval (car cmd))))) | |
1843 | (substring s 0 (string-match "[ \t]\\|\\'" s)))) | |
1844 | ||
1845 | (defun tex-command-active-p (cmd fspec) | |
1846 | "Return non-nil if the CMD spec might need to be run." | |
1847 | (let ((in (nth 1 cmd)) | |
1848 | (out (nth 2 cmd))) | |
1849 | (if (stringp in) | |
1850 | (let ((file (format-spec in fspec))) | |
1851 | (when (file-exists-p file) | |
1852 | (or (not out) | |
1853 | (file-newer-than-file-p | |
1854 | file (format-spec out fspec))))) | |
1855 | (when (and (eq in t) (stringp out)) | |
1856 | (not (tex-uptodate-p (format-spec out fspec))))))) | |
1857 | ||
8084f5d8 | 1858 | (defun tex-compile-default (fspec) |
dd166d5f | 1859 | "Guess a default command given the `format-spec' FSPEC." |
75035a80 SM |
1860 | ;; TODO: Learn to do latex+dvips! |
1861 | (let ((cmds nil) | |
1862 | (unchanged-in nil)) | |
1863 | ;; Only consider active commands. | |
1864 | (dolist (cmd tex-compile-commands) | |
1865 | (when (tex-executable-exists-p (tex-command-executable cmd)) | |
1866 | (if (tex-command-active-p cmd fspec) | |
1867 | (push cmd cmds) | |
1868 | (push (nth 1 cmd) unchanged-in)))) | |
dd166d5f | 1869 | ;; If no command seems to be applicable, arbitrarily pick the first one. |
29a47b89 | 1870 | (setq cmds (if cmds (nreverse cmds) (list (car tex-compile-commands)))) |
75035a80 SM |
1871 | ;; Remove those commands whose input was considered stable for |
1872 | ;; some other command (typically if (t . "%.pdf") is inactive | |
1873 | ;; then we're using pdflatex and the fact that the dvi file | |
1874 | ;; is inexistent doesn't matter). | |
1875 | (let ((tmp nil)) | |
1876 | (dolist (cmd cmds) | |
1877 | (unless (member (nth 1 cmd) unchanged-in) | |
1878 | (push cmd tmp))) | |
8084f5d8 | 1879 | ;; Only remove if there's something left. |
29a47b89 | 1880 | (if tmp (setq cmds (nreverse tmp)))) |
8084f5d8 SM |
1881 | ;; Remove commands whose input is not uptodate either. |
1882 | (let ((outs (delq nil (mapcar (lambda (x) (nth 2 x)) cmds))) | |
1883 | (tmp nil)) | |
1884 | (dolist (cmd cmds) | |
75035a80 | 1885 | (unless (member (nth 1 cmd) outs) |
8084f5d8 SM |
1886 | (push cmd tmp))) |
1887 | ;; Only remove if there's something left. | |
29a47b89 | 1888 | (if tmp (setq cmds (nreverse tmp)))) |
75035a80 SM |
1889 | ;; Select which file we're going to operate on (the latest). |
1890 | (let ((latest (nth 1 (car cmds)))) | |
1891 | (dolist (cmd (prog1 (cdr cmds) (setq cmds (list (car cmds))))) | |
1892 | (if (equal latest (nth 1 cmd)) | |
1893 | (push cmd cmds) | |
1894 | (unless (eq latest t) ;Can't beat that! | |
1895 | (if (or (not (stringp latest)) | |
1896 | (eq (nth 1 cmd) t) | |
1897 | (and (stringp (nth 1 cmd)) | |
1898 | (file-newer-than-file-p | |
1899 | (format-spec (nth 1 cmd) fspec) | |
1900 | (format-spec latest fspec)))) | |
1901 | (setq latest (nth 1 cmd) cmds (list cmd))))))) | |
1902 | ;; Expand the command spec into the actual text. | |
1903 | (dolist (cmd (prog1 cmds (setq cmds nil))) | |
1904 | (push (cons (eval (car cmd)) (cdr cmd)) cmds)) | |
1905 | ;; Select the favorite command from the history. | |
1906 | (let ((hist tex-compile-history) | |
8084f5d8 | 1907 | re hist-cmd) |
75035a80 | 1908 | (while hist |
8084f5d8 | 1909 | (setq hist-cmd (pop hist)) |
75035a80 | 1910 | (setq re (concat "\\`" |
8084f5d8 | 1911 | (regexp-quote (tex-command-executable hist-cmd)) |
75035a80 SM |
1912 | "\\([ \t]\\|\\'\\)")) |
1913 | (dolist (cmd cmds) | |
8084f5d8 SM |
1914 | ;; If the hist entry uses the same command and applies to a file |
1915 | ;; of the same type (e.g. `gv %r.pdf' vs `gv %r.ps'), select cmd. | |
1916 | (and (string-match re (car cmd)) | |
1917 | (or (not (string-match "%[fr]\\([-._[:alnum:]]+\\)" (car cmd))) | |
1918 | (string-match (regexp-quote (match-string 1 (car cmd))) | |
1919 | hist-cmd)) | |
1920 | (setq hist nil cmds (list cmd))))) | |
1921 | ;; Substitute and return. | |
1922 | (if (and hist-cmd | |
1923 | (string-match (concat "[' \t\"]" (format-spec "%r" fspec) | |
1924 | "\\([;&' \t\"]\\|\\'\\)") hist-cmd)) | |
1925 | ;; The history command was already applied to the same file, | |
1926 | ;; so just reuse it. | |
1927 | hist-cmd | |
1928 | (if cmds (format-spec (caar cmds) fspec)))))) | |
75035a80 SM |
1929 | |
1930 | (defun tex-compile (dir cmd) | |
1931 | "Run a command CMD on current TeX buffer's file in DIR." | |
1932 | ;; FIXME: Use time-stamps on files to decide the next op. | |
1933 | (interactive | |
1934 | (let* ((file (tex-main-file)) | |
5e56fb53 SM |
1935 | (default-directory |
1936 | (prog1 (file-name-directory (expand-file-name file)) | |
1937 | (setq file (file-name-nondirectory file)))) | |
75035a80 | 1938 | (root (file-name-sans-extension file)) |
d18fc930 SM |
1939 | (fspec (list (cons ?r (shell-quote-argument root)) |
1940 | (cons ?f (shell-quote-argument file)))) | |
8084f5d8 | 1941 | (default (tex-compile-default fspec))) |
5e56fb53 | 1942 | (list default-directory |
75035a80 SM |
1943 | (completing-read |
1944 | (format "Command [%s]: " (tex-summarize-command default)) | |
1945 | (mapcar (lambda (x) | |
1946 | (list (format-spec (eval (car x)) fspec))) | |
1947 | tex-compile-commands) | |
1948 | nil nil nil 'tex-compile-history default)))) | |
1949 | (save-some-buffers (not compilation-ask-about-save) nil) | |
1950 | (if (tex-shell-running) | |
1951 | (tex-kill-job) | |
1952 | (tex-start-shell)) | |
1953 | (tex-send-tex-command cmd dir)) | |
d6709b80 SM |
1954 | |
1955 | (defun tex-start-tex (command file &optional dir) | |
460e1b7d | 1956 | "Start a TeX run, using COMMAND on FILE." |
6633b891 | 1957 | (let* ((star (string-match "\\*" command)) |
460e1b7d | 1958 | (compile-command |
6633b891 KH |
1959 | (if star |
1960 | (concat (substring command 0 star) | |
d18fc930 | 1961 | (shell-quote-argument file) |
6633b891 KH |
1962 | (substring command (1+ star))) |
1963 | (concat command " " | |
95a045bd | 1964 | tex-start-options |
9e0ad27a | 1965 | (if (< 0 (length tex-start-commands)) |
d18fc930 SM |
1966 | (concat |
1967 | (shell-quote-argument tex-start-commands) " ")) | |
1968 | (shell-quote-argument file))))) | |
bdbd9606 SM |
1969 | (tex-send-tex-command compile-command dir))) |
1970 | ||
1971 | (defun tex-send-tex-command (cmd &optional dir) | |
b781e739 SS |
1972 | (unless (or (equal dir (let ((buf (tex-shell-buf-no-error))) |
1973 | (and buf (with-current-buffer buf | |
1974 | default-directory)))) | |
bdbd9606 SM |
1975 | (not dir)) |
1976 | (let (shell-dirtrack-verbose) | |
8ca66348 | 1977 | (tex-send-command tex-shell-cd-command dir))) |
bdbd9606 | 1978 | (with-current-buffer (process-buffer (tex-send-command cmd)) |
bdbd9606 SM |
1979 | (setq compilation-last-buffer (current-buffer)) |
1980 | (compilation-forget-errors) | |
1598a961 | 1981 | ;; Don't parse previous compilations. |
bdbd9606 SM |
1982 | (set-marker compilation-parsing-end (1- (point-max)))) |
1983 | (tex-display-shell) | |
1984 | (setq tex-last-buffer-texed (current-buffer))) | |
460e1b7d | 1985 | \f |
1598a961 SM |
1986 | (defvar tex-error-parse-syntax-table |
1987 | (let ((st (make-syntax-table))) | |
1988 | (modify-syntax-entry ?\( "()" st) | |
1989 | (modify-syntax-entry ?\) ")(" st) | |
1990 | (modify-syntax-entry ?\\ "\\" st) | |
1991 | (modify-syntax-entry ?\{ "_" st) | |
1992 | (modify-syntax-entry ?\} "_" st) | |
1993 | (modify-syntax-entry ?\[ "_" st) | |
1994 | (modify-syntax-entry ?\] "_" st) | |
1995 | ;; Single quotations may appear in errors | |
1996 | (modify-syntax-entry ?\" "_" st) | |
1997 | st) | |
1998 | "Syntax-table used while parsing TeX error messages.") | |
1999 | ||
460e1b7d | 2000 | (defun tex-compilation-parse-errors (limit-search find-at-least) |
f05bd645 RS |
2001 | "Parse the current buffer as TeX error messages. |
2002 | See the variable `compilation-parse-errors-function' for the interface it uses. | |
2003 | ||
2004 | This function parses only the last TeX compilation. | |
2005 | It works on TeX compilations only. It is necessary for that purpose, | |
2006 | since TeX does not put file names and line numbers on the same line as | |
2007 | for the error messages." | |
460e1b7d RS |
2008 | (require 'thingatpt) |
2009 | (setq compilation-error-list nil) | |
f05bd645 RS |
2010 | (let ((default-directory ; Perhaps dir has changed meanwhile. |
2011 | (file-name-directory (buffer-file-name tex-last-buffer-texed))) | |
f05bd645 RS |
2012 | found-desired (num-errors-found 0) |
2013 | last-filename last-linenum last-position | |
2014 | begin-of-error end-of-error) | |
f05bd645 RS |
2015 | ;; Don't reparse messages already seen at last parse. |
2016 | (goto-char compilation-parsing-end) | |
2017 | ;; Parse messages. | |
2018 | (while (and (not (or found-desired (eobp))) | |
2019 | (prog1 (re-search-forward "^! " nil 'move) | |
2020 | (setq begin-of-error (match-beginning 0) | |
2021 | end-of-error (match-end 0))) | |
2022 | (re-search-forward | |
2023 | "^l\\.\\([0-9]+\\) \\(\\.\\.\\.\\)?\\(.*\\)$" nil 'move)) | |
3f2c97ea | 2024 | (let* ((this-error (copy-marker begin-of-error)) |
003274a0 | 2025 | (linenum (string-to-number (match-string 1))) |
f05bd645 RS |
2026 | (error-text (regexp-quote (match-string 3))) |
2027 | (filename | |
2028 | (save-excursion | |
ea590e1c SM |
2029 | (with-syntax-table tex-error-parse-syntax-table |
2030 | (backward-up-list 1) | |
2031 | (skip-syntax-forward "(_") | |
2032 | (while (not (file-readable-p (thing-at-point 'filename))) | |
2033 | (skip-syntax-backward "(_") | |
2034 | (backward-up-list 1) | |
2035 | (skip-syntax-forward "(_")) | |
2036 | (thing-at-point 'filename)))) | |
f05bd645 RS |
2037 | (new-file |
2038 | (or (null last-filename) | |
2039 | (not (string-equal last-filename filename)))) | |
2040 | (error-location | |
cc9f5376 SM |
2041 | (with-current-buffer |
2042 | (if (equal filename (concat tex-zap-file ".tex")) | |
2043 | tex-last-buffer-texed | |
2044 | (find-file-noselect filename)) | |
2045 | (save-excursion | |
2046 | (if new-file | |
2047 | (progn (goto-line linenum) (setq last-position nil)) | |
2048 | (goto-char last-position) | |
2049 | (forward-line (- linenum last-linenum))) | |
2050 | ;; first try a forward search for the error text, | |
2051 | ;; then a backward search limited by the last error. | |
2052 | (let ((starting-point (point))) | |
2053 | (or (re-search-forward error-text nil t) | |
2054 | (re-search-backward error-text last-position t) | |
2055 | (goto-char starting-point))) | |
2056 | (point-marker))))) | |
f05bd645 RS |
2057 | (goto-char this-error) |
2058 | (if (and compilation-error-list | |
2059 | (or (and find-at-least | |
2060 | (>= num-errors-found | |
2061 | find-at-least)) | |
2062 | (and limit-search | |
2063 | (>= end-of-error limit-search))) | |
2064 | new-file) | |
2065 | (setq found-desired t) | |
2066 | (setq num-errors-found (1+ num-errors-found) | |
2067 | last-filename filename | |
2068 | last-linenum linenum | |
2069 | last-position error-location | |
2070 | compilation-error-list ; Add the new error | |
2071 | (cons (cons this-error error-location) | |
2072 | compilation-error-list)) | |
2073 | (goto-char end-of-error))))) | |
ee13a145 | 2074 | (set-marker compilation-parsing-end (point)) |
13376c78 | 2075 | (setq compilation-error-list (nreverse compilation-error-list))) |
460e1b7d | 2076 | \f |
528415e7 | 2077 | ;;; The commands: |
869bff31 | 2078 | |
2079 | (defun tex-region (beg end) | |
2080 | "Run TeX on the current region, via a temporary file. | |
2081 | The file's name comes from the variable `tex-zap-file' and the | |
2082 | variable `tex-directory' says where to put it. | |
2083 | ||
2084 | If the buffer has a header, the header is given to TeX before the | |
2085 | region itself. The buffer's header is all lines between the strings | |
2086 | defined by `tex-start-of-header' and `tex-end-of-header' inclusive. | |
2087 | The header must start in the first 100 lines of the buffer. | |
2088 | ||
2089 | The value of `tex-trailer' is given to TeX as input after the region. | |
2090 | ||
2091 | The value of `tex-command' specifies the command to use to run TeX." | |
2092 | (interactive "r") | |
2093 | (if (tex-shell-running) | |
2094 | (tex-kill-job) | |
2095 | (tex-start-shell)) | |
2096 | (or tex-zap-file | |
2097 | (setq tex-zap-file (tex-generate-zap-file-name))) | |
6d34c59f RS |
2098 | ;; Temp file will be written and TeX will be run in zap-directory. |
2099 | ;; If the TEXINPUTS file has relative directories or if the region has | |
2100 | ;; \input of files, this must be the same directory as the file for | |
2101 | ;; TeX to access the correct inputs. That's why it's safest if | |
2102 | ;; tex-directory is ".". | |
2103 | (let* ((zap-directory | |
528415e7 | 2104 | (file-name-as-directory (expand-file-name tex-directory))) |
d6709b80 SM |
2105 | (tex-out-file (expand-file-name (concat tex-zap-file ".tex") |
2106 | zap-directory))) | |
0d548e5d RS |
2107 | ;; Don't delete temp files if we do the same buffer twice in a row. |
2108 | (or (eq (current-buffer) tex-last-buffer-texed) | |
2109 | (tex-delete-last-temp-files t)) | |
869bff31 | 2110 | ;; Write the new temp file. |
2111 | (save-excursion | |
2112 | (save-restriction | |
2113 | (widen) | |
2114 | (goto-char (point-min)) | |
2115 | (forward-line 100) | |
2116 | (let ((search-end (point)) | |
6d34c59f RS |
2117 | (default-directory zap-directory) |
2118 | (already-output 0)) | |
869bff31 | 2119 | (goto-char (point-min)) |
6d34c59f | 2120 | |
725b7428 RS |
2121 | ;; Maybe copy first line, such as `\input texinfo', to temp file. |
2122 | (and tex-first-line-header-regexp | |
2123 | (looking-at tex-first-line-header-regexp) | |
bed1b0c8 | 2124 | (write-region (point) |
6d34c59f RS |
2125 | (progn (forward-line 1) |
2126 | (setq already-output (point))) | |
725b7428 RS |
2127 | tex-out-file nil nil)) |
2128 | ||
6d34c59f RS |
2129 | ;; Write out the header, if there is one, |
2130 | ;; and any of the specified region which extends before it. | |
2131 | ;; But don't repeat anything already written. | |
898b9ac1 | 2132 | (if (re-search-forward tex-start-of-header search-end t) |
6d34c59f | 2133 | (let (hbeg) |
869bff31 | 2134 | (beginning-of-line) |
2135 | (setq hbeg (point)) ;mark beginning of header | |
898b9ac1 | 2136 | (if (re-search-forward tex-end-of-header nil t) |
6d34c59f RS |
2137 | (let (hend) |
2138 | (forward-line 1) | |
bed1b0c8 | 2139 | (setq hend (point)) ;mark end of header |
6d34c59f RS |
2140 | (write-region (max (min hbeg beg) already-output) |
2141 | hend | |
2142 | tex-out-file | |
2143 | (not (zerop already-output)) nil) | |
2144 | (setq already-output hend))))) | |
2145 | ||
2146 | ;; Write out the specified region | |
2147 | ;; (but don't repeat anything already written). | |
2148 | (write-region (max beg already-output) end | |
2149 | tex-out-file | |
2150 | (not (zerop already-output)) nil)) | |
2151 | ;; Write the trailer, if any. | |
2152 | ;; Precede it with a newline to make sure it | |
2153 | ;; is not hidden in a comment. | |
2154 | (if tex-trailer | |
2155 | (write-region (concat "\n" tex-trailer) nil | |
2156 | tex-out-file t nil)))) | |
528415e7 RS |
2157 | ;; Record the file name to be deleted afterward. |
2158 | (setq tex-last-temp-file tex-out-file) | |
f05bd645 RS |
2159 | ;; Use a relative file name here because (1) the proper dir |
2160 | ;; is already current, and (2) the abs file name is sometimes | |
2161 | ;; too long and can make tex crash. | |
d6709b80 SM |
2162 | (tex-start-tex tex-command (concat tex-zap-file ".tex") zap-directory) |
2163 | (setq tex-print-file tex-out-file))) | |
869bff31 | 2164 | |
2165 | (defun tex-buffer () | |
2166 | "Run TeX on current buffer. See \\[tex-region] for more information. | |
528415e7 RS |
2167 | Does not save the buffer, so it's useful for trying experimental versions. |
2168 | See \\[tex-file] for an alternative." | |
869bff31 | 2169 | (interactive) |
2170 | (tex-region (point-min) (point-max))) | |
2171 | ||
2172 | (defun tex-file () | |
2173 | "Prompt to save all buffers and run TeX (or LaTeX) on current buffer's file. | |
2174 | This function is more useful than \\[tex-buffer] when you need the | |
2175 | `.aux' file of LaTeX to have the correct name." | |
2176 | (interactive) | |
7abc9add SS |
2177 | (when tex-offer-save |
2178 | (save-some-buffers)) | |
d6709b80 | 2179 | (let* ((source-file (tex-main-file)) |
07c16ec4 | 2180 | (file-dir (file-name-directory (expand-file-name source-file)))) |
869bff31 | 2181 | (if (tex-shell-running) |
2182 | (tex-kill-job) | |
2183 | (tex-start-shell)) | |
d6709b80 | 2184 | (tex-start-tex tex-command source-file file-dir) |
f05bd645 | 2185 | (setq tex-print-file (expand-file-name source-file)))) |
869bff31 | 2186 | |
2187 | (defun tex-generate-zap-file-name () | |
2188 | "Generate a unique name suitable for use as a file name." | |
2189 | ;; Include the shell process number and host name | |
2190 | ;; in case there are multiple shells (for same or different user). | |
f5cdb851 KH |
2191 | ;; Dec 1998: There is a report that some versions of xdvi |
2192 | ;; don't work with file names that start with #. | |
5616ee46 | 2193 | (format "_TZ_%d-%s" |
869bff31 | 2194 | (process-id (get-buffer-process "*tex-shell*")) |
07c16ec4 | 2195 | (subst-char-in-string ?. ?- (system-name)))) |
869bff31 | 2196 | |
2197 | ;; This will perhaps be useful for modifying TEXINPUTS. | |
2198 | ;; Expand each file name, separated by colons, in the string S. | |
2199 | (defun tex-expand-files (s) | |
2200 | (let (elts (start 0)) | |
2201 | (while (string-match ":" s start) | |
2202 | (setq elts (cons (substring s start (match-beginning 0)) elts)) | |
2203 | (setq start (match-end 0))) | |
2204 | (or (= start 0) | |
2205 | (setq elts (cons (substring s start) elts))) | |
c0df1972 SM |
2206 | (mapconcat (lambda (elt) |
2207 | (if (= (length elt) 0) elt (expand-file-name elt))) | |
5616ee46 | 2208 | (nreverse elts) ":"))) |
869bff31 | 2209 | |
2210 | (defun tex-shell-running () | |
713f7b15 | 2211 | (let ((proc (get-process "tex-shell"))) |
b781e739 SS |
2212 | (when proc |
2213 | (if (and (eq (process-status proc) 'run) | |
2214 | (buffer-live-p (process-buffer proc))) | |
2215 | ;; return the TeX process on success | |
2216 | proc | |
2217 | ;; get rid of the process permanently | |
2218 | ;; this should get rid of the annoying w32 problem with | |
2219 | ;; dead tex-shell buffer and live process | |
2220 | (delete-process proc))))) | |
869bff31 | 2221 | |
2222 | (defun tex-kill-job () | |
2223 | "Kill the currently running TeX job." | |
2224 | (interactive) | |
b781e739 | 2225 | ;; `quit-process' leads to core dumps of the tex process (except if |
bed1b0c8 RS |
2226 | ;; coredumpsize has limit 0kb as on many environments). One would |
2227 | ;; like to use (kill-process proc 'lambda), however that construct | |
2228 | ;; does not work on some systems and kills the shell itself. | |
b781e739 SS |
2229 | (let ((proc (get-process "tex-shell"))) |
2230 | (when proc (quit-process proc t)))) | |
869bff31 | 2231 | |
2232 | (defun tex-recenter-output-buffer (linenum) | |
2233 | "Redisplay buffer of TeX job output so that most recent output can be seen. | |
2234 | The last line of the buffer is displayed on | |
2235 | line LINE of the window, or centered if LINE is nil." | |
2236 | (interactive "P") | |
2237 | (let ((tex-shell (get-buffer "*tex-shell*")) | |
23b64225 | 2238 | (window)) |
869bff31 | 2239 | (if (null tex-shell) |
2240 | (message "No TeX output buffer") | |
23b64225 RS |
2241 | (setq window (display-buffer tex-shell)) |
2242 | (save-selected-window | |
2243 | (select-window window) | |
2244 | (bury-buffer tex-shell) | |
2245 | (goto-char (point-max)) | |
2246 | (recenter (if linenum | |
2247 | (prefix-numeric-value linenum) | |
2248 | (/ (window-height) 2))))))) | |
869bff31 | 2249 | |
528415e7 | 2250 | (defun tex-print (&optional alt) |
869bff31 | 2251 | "Print the .dvi file made by \\[tex-region], \\[tex-buffer] or \\[tex-file]. |
1433a222 CZ |
2252 | Runs the shell command defined by `tex-dvi-print-command'. If prefix argument |
2253 | is provided, use the alternative command, `tex-alt-dvi-print-command'." | |
528415e7 | 2254 | (interactive "P") |
869bff31 | 2255 | (let ((print-file-name-dvi (tex-append tex-print-file ".dvi")) |
2256 | test-name) | |
2257 | (if (and (not (equal (current-buffer) tex-last-buffer-texed)) | |
45c3304d RS |
2258 | (buffer-file-name) |
2259 | ;; Check that this buffer's printed file is up to date. | |
869bff31 | 2260 | (file-newer-than-file-p |
2261 | (setq test-name (tex-append (buffer-file-name) ".dvi")) | |
45c3304d | 2262 | (buffer-file-name))) |
869bff31 | 2263 | (setq print-file-name-dvi test-name)) |
528415e7 RS |
2264 | (if (not (file-exists-p print-file-name-dvi)) |
2265 | (error "No appropriate `.dvi' file could be found") | |
460e1b7d RS |
2266 | (if (tex-shell-running) |
2267 | (tex-kill-job) | |
2268 | (tex-start-shell)) | |
528415e7 | 2269 | (tex-send-command |
bed1b0c8 | 2270 | (if alt tex-alt-dvi-print-command tex-dvi-print-command) |
b5352ff5 | 2271 | print-file-name-dvi |
602503c5 | 2272 | t)))) |
869bff31 | 2273 | |
cf6d6e8a RS |
2274 | (defun tex-alt-print () |
2275 | "Print the .dvi file made by \\[tex-region], \\[tex-buffer] or \\[tex-file]. | |
002b0d00 | 2276 | Runs the shell command defined by `tex-alt-dvi-print-command'." |
cf6d6e8a RS |
2277 | (interactive) |
2278 | (tex-print t)) | |
2279 | ||
869bff31 | 2280 | (defun tex-view () |
2281 | "Preview the last `.dvi' file made by running TeX under Emacs. | |
2282 | This means, made using \\[tex-region], \\[tex-buffer] or \\[tex-file]. | |
2b7971c9 RS |
2283 | The variable `tex-dvi-view-command' specifies the shell command for preview. |
2284 | You must set that variable yourself before using this command, | |
2285 | because there is no standard value that would generally work." | |
869bff31 | 2286 | (interactive) |
2b7971c9 RS |
2287 | (or tex-dvi-view-command |
2288 | (error "You must set `tex-dvi-view-command'")) | |
3356ce3b EZ |
2289 | ;; Restart the TeX shell if necessary. |
2290 | (or (tex-shell-running) | |
2291 | (tex-start-shell)) | |
746c30e2 | 2292 | (let ((tex-dvi-print-command (eval tex-dvi-view-command))) |
869bff31 | 2293 | (tex-print))) |
2294 | ||
2295 | (defun tex-append (file-name suffix) | |
2296 | "Append to FILENAME the suffix SUFFIX, using same algorithm TeX uses. | |
cf6d6e8a | 2297 | Pascal-based TeX scans for the first period, C TeX uses the last. |
869bff31 | 2298 | No period is retained immediately before SUFFIX, |
2299 | so normally SUFFIX starts with one." | |
2300 | (if (stringp file-name) | |
cf6d6e8a RS |
2301 | (let ((file (file-name-nondirectory file-name)) |
2302 | trial-name) | |
6da9bbd6 | 2303 | ;; Try splitting on last period. |
7d0ca249 RS |
2304 | ;; The first-period split can get fooled when two files |
2305 | ;; named a.tex and a.b.tex are both tex'd; | |
2306 | ;; the last-period split must be right if it matches at all. | |
cf6d6e8a RS |
2307 | (setq trial-name |
2308 | (concat (file-name-directory file-name) | |
2309 | (substring file 0 | |
7d0ca249 | 2310 | (string-match "\\.[^.]*$" file)) |
cf6d6e8a RS |
2311 | suffix)) |
2312 | (if (or (file-exists-p trial-name) | |
2313 | (file-exists-p (concat trial-name ".aux"))) ;for BibTeX files | |
2314 | trial-name | |
7d0ca249 | 2315 | ;; Not found, so split on first period. |
cf6d6e8a RS |
2316 | (concat (file-name-directory file-name) |
2317 | (substring file 0 | |
7d0ca249 | 2318 | (string-match "\\." file)) |
cf6d6e8a | 2319 | suffix))) |
869bff31 | 2320 | " ")) |
2321 | ||
2322 | (defun tex-show-print-queue () | |
2323 | "Show the print queue that \\[tex-print] put your job on. | |
1433a222 | 2324 | Runs the shell command defined by `tex-show-queue-command'." |
869bff31 | 2325 | (interactive) |
2326 | (if (tex-shell-running) | |
2327 | (tex-kill-job) | |
2328 | (tex-start-shell)) | |
51b2c841 RS |
2329 | (tex-send-command tex-show-queue-command) |
2330 | (tex-display-shell)) | |
869bff31 | 2331 | |
2332 | (defun tex-bibtex-file () | |
2333 | "Run BibTeX on the current buffer's file." | |
2334 | (interactive) | |
2335 | (if (tex-shell-running) | |
2336 | (tex-kill-job) | |
2337 | (tex-start-shell)) | |
e6b0b773 MR |
2338 | (let (shell-dirtrack-verbose |
2339 | (tex-out-file | |
869bff31 | 2340 | (tex-append (file-name-nondirectory (buffer-file-name)) "")) |
2341 | (file-dir (file-name-directory (buffer-file-name)))) | |
8ca66348 | 2342 | (tex-send-command tex-shell-cd-command file-dir) |
51b2c841 RS |
2343 | (tex-send-command tex-bibtex-command tex-out-file)) |
2344 | (tex-display-shell)) | |
ea590e1c SM |
2345 | \f |
2346 | ;;;; | |
2347 | ;;;; LaTeX indentation | |
2348 | ;;;; | |
2349 | ||
2350 | (defvar tex-indent-allhanging t) | |
2351 | (defvar tex-indent-arg 4) | |
2352 | (defvar tex-indent-basic 2) | |
2353 | (defvar tex-indent-item tex-indent-basic) | |
2354 | (defvar tex-indent-item-re "\\\\\\(bib\\)?item\\>") | |
dd166d5f | 2355 | (defvar latex-noindent-environments '("document")) |
ea590e1c | 2356 | |
8a591d52 SM |
2357 | (defvar tex-latex-indent-syntax-table |
2358 | (let ((st (make-syntax-table tex-mode-syntax-table))) | |
2359 | (modify-syntax-entry ?$ "." st) | |
2360 | (modify-syntax-entry ?\( "." st) | |
2361 | (modify-syntax-entry ?\) "." st) | |
2362 | st) | |
2363 | "Syntax table used while computing indentation.") | |
ea590e1c SM |
2364 | |
2365 | (defun latex-indent (&optional arg) | |
7afecb99 | 2366 | (if (and (eq (get-text-property (line-beginning-position) 'face) |
014e29b9 | 2367 | 'tex-verbatim)) |
a3d80d4a | 2368 | 'noindent |
7afecb99 SM |
2369 | (with-syntax-table tex-latex-indent-syntax-table |
2370 | ;; TODO: Rather than ignore $, we should try to be more clever about it. | |
2371 | (let ((indent | |
2372 | (save-excursion | |
2373 | (beginning-of-line) | |
2374 | (latex-find-indent)))) | |
2375 | (if (< indent 0) (setq indent 0)) | |
2376 | (if (<= (current-column) (current-indentation)) | |
2377 | (indent-line-to indent) | |
2378 | (save-excursion (indent-line-to indent))))))) | |
ea590e1c SM |
2379 | |
2380 | (defun latex-find-indent (&optional virtual) | |
2381 | "Find the proper indentation of text after point. | |
2382 | VIRTUAL if non-nil indicates that we're only trying to find the indentation | |
2383 | in order to determine the indentation of something else. | |
2384 | There might be text before point." | |
2385 | (save-excursion | |
2386 | (skip-chars-forward " \t") | |
2387 | (or | |
7afecb99 SM |
2388 | ;; Stick the first line at column 0. |
2389 | (and (= (point-min) (line-beginning-position)) 0) | |
ea590e1c | 2390 | ;; Trust the current indentation, if such info is applicable. |
7afecb99 SM |
2391 | (and virtual (save-excursion (skip-chars-backward " \t&") (bolp)) |
2392 | (current-column)) | |
2393 | ;; Stick verbatim environments to the left margin. | |
2394 | (and (looking-at "\\\\\\(begin\\|end\\) *{\\([^\n}]+\\)") | |
2395 | (member (match-string 2) tex-verbatim-environments) | |
2396 | 0) | |
ea590e1c SM |
2397 | ;; Put leading close-paren where the matching open brace would be. |
2398 | (and (eq (latex-syntax-after) ?\)) | |
2399 | (ignore-errors | |
2400 | (save-excursion | |
2401 | (latex-skip-close-parens) | |
2402 | (latex-backward-sexp-1) | |
2403 | (latex-find-indent 'virtual)))) | |
2404 | ;; Default (maybe an argument) | |
2405 | (let ((pos (point)) | |
ea590e1c SM |
2406 | ;; Outdent \item if necessary. |
2407 | (indent (if (looking-at tex-indent-item-re) (- tex-indent-item) 0)) | |
2408 | up-list-pos) | |
2409 | ;; Find the previous point which determines our current indentation. | |
2410 | (condition-case err | |
2411 | (progn | |
2412 | (latex-backward-sexp-1) | |
2413 | (while (> (current-column) (current-indentation)) | |
2414 | (latex-backward-sexp-1))) | |
2415 | (scan-error | |
2416 | (setq up-list-pos (nth 2 err)))) | |
8908cf40 SM |
2417 | (cond |
2418 | ((= (point-min) pos) 0) ; We're really just indenting the first line. | |
2419 | ((integerp up-list-pos) | |
2420 | ;; Have to indent relative to the open-paren. | |
2421 | (goto-char up-list-pos) | |
2422 | (if (and (not tex-indent-allhanging) | |
dd166d5f SM |
2423 | (save-excursion |
2424 | ;; Make sure we're an argument to a macro and | |
2425 | ;; that the macro is at the beginning of a line. | |
2426 | (condition-case nil | |
2427 | (progn | |
2428 | (while (eq (char-syntax (char-after)) ?\() | |
2429 | (forward-sexp -1)) | |
2430 | (and (eq (char-syntax (char-after)) ?/) | |
2431 | (progn (skip-chars-backward " \t&") | |
2432 | (bolp)))) | |
2433 | (scan-error nil))) | |
8908cf40 SM |
2434 | (> pos (progn (latex-down-list) |
2435 | (forward-comment (point-max)) | |
2436 | (point)))) | |
7afecb99 | 2437 | ;; Align with the first element after the open-paren. |
8908cf40 SM |
2438 | (current-column) |
2439 | ;; We're the first element after a hanging brace. | |
2440 | (goto-char up-list-pos) | |
dd166d5f SM |
2441 | (+ (if (and (looking-at "\\\\begin *{\\([^\n}]+\\)") |
2442 | (member (match-string 1) | |
2443 | latex-noindent-environments)) | |
2444 | 0 tex-indent-basic) | |
2445 | indent (latex-find-indent 'virtual)))) | |
8908cf40 SM |
2446 | ;; We're now at the "beginning" of a line. |
2447 | ((not (and (not virtual) (eq (char-after) ?\\))) | |
2448 | ;; Nothing particular here: just keep the same indentation. | |
2449 | (+ indent (current-column))) | |
2450 | ;; We're now looking at a macro call. | |
dd166d5f SM |
2451 | ((looking-at tex-indent-item-re) |
2452 | ;; Indenting relative to an item, have to re-add the outdenting. | |
8908cf40 SM |
2453 | (+ indent (current-column) tex-indent-item)) |
2454 | (t | |
2455 | (let ((col (current-column))) | |
d1218e3e | 2456 | (if (or (not (eq (char-syntax (or (char-after pos) ?\s)) ?\()) |
dd166d5f SM |
2457 | ;; Can't be an arg if there's an empty line inbetween. |
2458 | (save-excursion (re-search-forward "^[ \t]*$" pos t))) | |
8908cf40 SM |
2459 | ;; If the first char was not an open-paren, there's |
2460 | ;; a risk that this is really not an argument to the | |
2461 | ;; macro at all. | |
21749f14 RS |
2462 | (+ indent col) |
2463 | (forward-sexp 1) | |
2464 | (if (< (line-end-position) | |
2465 | (save-excursion (forward-comment (point-max)) | |
2466 | (point))) | |
8908cf40 SM |
2467 | ;; we're indenting the first argument. |
2468 | (min (current-column) (+ tex-indent-arg col)) | |
2469 | (skip-syntax-forward " ") | |
2470 | (current-column)))))))))) | |
a3d80d4a SM |
2471 | ;;; DocTeX support |
2472 | ||
2473 | (defun doctex-font-lock-^^A () | |
2474 | (if (eq (char-after (line-beginning-position)) ?\%) | |
2475 | (progn | |
2476 | (put-text-property | |
2477 | (1- (match-beginning 1)) (match-beginning 1) | |
2478 | 'syntax-table | |
2479 | (if (= (1+ (line-beginning-position)) (match-beginning 1)) | |
2480 | ;; The `%' is a single-char comment, which Emacs | |
2481 | ;; syntax-table can't deal with. We could turn it | |
2482 | ;; into a non-comment, or use `\n%' or `%^' as the comment. | |
2483 | ;; Instead, we include it in the ^^A comment. | |
2484 | (eval-when-compile (string-to-syntax "< b")) | |
2485 | (eval-when-compile (string-to-syntax ">")))) | |
2486 | (let ((end (line-end-position))) | |
2487 | (if (< end (point-max)) | |
2488 | (put-text-property | |
2489 | end (1+ end) | |
2490 | 'syntax-table | |
2491 | (eval-when-compile (string-to-syntax "> b"))))) | |
2492 | (eval-when-compile (string-to-syntax "< b"))))) | |
2493 | ||
2494 | (defun doctex-font-lock-syntactic-face-function (state) | |
2495 | ;; Mark DocTeX documentation, which is parsed as a style A comment | |
2496 | ;; starting in column 0. | |
2497 | (if (or (nth 3 state) (nth 7 state) | |
2498 | (not (memq (char-before (nth 8 state)) | |
2499 | '(?\n nil)))) | |
2500 | ;; Anything else is just as for LaTeX. | |
2501 | (tex-font-lock-syntactic-face-function state) | |
2502 | font-lock-doc-face)) | |
2503 | ||
2504 | (defvar doctex-font-lock-syntactic-keywords | |
2505 | (append | |
2506 | tex-font-lock-syntactic-keywords | |
2507 | ;; For DocTeX comment-in-doc. | |
2508 | `(("\\(\\^\\)\\^A" (1 (doctex-font-lock-^^A)))))) | |
2509 | ||
2510 | (defvar doctex-font-lock-keywords | |
2511 | (append tex-font-lock-keywords | |
2512 | '(("^%<[^>]*>" (0 font-lock-preprocessor-face t))))) | |
2513 | ||
2514 | ;;;###autoload | |
2515 | (define-derived-mode doctex-mode latex-mode "DocTeX" | |
2516 | "Major mode to edit DocTeX files." | |
2517 | (setq font-lock-defaults | |
2518 | (cons (append (car font-lock-defaults) '(doctex-font-lock-keywords)) | |
2519 | (mapcar | |
2520 | (lambda (x) | |
2521 | (case (car-safe x) | |
2522 | (font-lock-syntactic-keywords | |
2523 | (cons (car x) 'doctex-font-lock-syntactic-keywords)) | |
2524 | (font-lock-syntactic-face-function | |
2525 | (cons (car x) 'doctex-font-lock-syntactic-face-function)) | |
2526 | (t x))) | |
2527 | (cdr font-lock-defaults))))) | |
528415e7 RS |
2528 | |
2529 | (run-hooks 'tex-mode-load-hook) | |
869bff31 | 2530 | |
49116ac0 JB |
2531 | (provide 'tex-mode) |
2532 | ||
dd166d5f | 2533 | ;; arch-tag: c0a680b1-63aa-4547-84b9-4193c29c0080 |
d501f516 | 2534 | ;;; tex-mode.el ends here |