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;;; tex.el --- Support for TeX documents. -*- lexical-binding: t; -*-
;; Copyright (C) 1985-2025 Free Software Foundation, Inc.
;; Maintainer: auctex-devel@gnu.org
;; Keywords: tex
;; This file is part of AUCTeX.
;; AUCTeX is free software; you can redistribute it and/or modify it
;; under the terms of the GNU General Public License as published by the
;; Free Software Foundation; either version 3, or (at your option) any
;; later version.
;; AUCTeX is distributed in the hope that it will be useful, but WITHOUT
;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
;; FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
;; for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;; This file provides basic functions used by the AUCTeX modes.
;;; Code:
(when (< emacs-major-version 28)
(error "AUCTeX requires Emacs 28.1 or later"))
(require 'custom)
(require 'auctex)
(require 'cl-lib)
(require 'subr-x)
(require 'texmathp)
;; seq.el is preloaded in Emacs 29, so the next form can be removed
;; once 29 is the minimum required Emacs version
(require 'seq)
;; Require dbus at compile time to get macro definition of
;; `dbus-ignore-errors'.
(eval-when-compile (require 'dbus))
;; Silence the compiler for functions:
(declare-function dbus-get-unique-name "ext:dbusbind.c"
(bus))
(declare-function dbus-ping "ext:dbus"
(bus service &optional timeout))
(declare-function dbus-introspect-get-method "ext:dbus"
(bus service path interface method))
(declare-function dbus-call-method "ext:dbus"
(bus service path interface method &rest args))
(declare-function dbus-register-signal "ext:dbus"
(bus service path interface signal handler &rest args))
(declare-function font-latex-setup "font-latex" nil)
(declare-function LaTeX-environment-list "latex" nil)
(declare-function LaTeX-bibliography-list "latex" nil)
(declare-function LaTeX-completion-label-annotation-function "latex" (label))
(declare-function LaTeX-completion-label-list "latex" nil)
(declare-function LaTeX-section-name "latex" (level))
(declare-function TeX-fold-mode "tex-fold" (&optional arg))
(declare-function comint-exec "ext:comint"
(buffer name command startfile switches))
(declare-function comint-mode "ext:comint" nil)
(declare-function tex--prettify-symbols-compose-p "ext:tex-mode"
(start end match))
(declare-function gnuserv-start "ext:gnuserv"
(&optional leave-dead) t)
;; Silence the compiler for variables:
;; tex.el: Variables defined somewhere in this file:
(defvar TeX-PDF-from-DVI)
(defvar TeX-PDF-mode)
(defvar TeX-PDF-mode-parsed)
(defvar TeX-all-extensions)
(defvar TeX-command-default)
(defvar TeX-default-extension)
(defvar TeX-esc)
(defvar TeX-interactive-mode)
(defvar TeX-macro-global)
(defvar TeX-mode-map)
(defvar TeX-mode-p)
(defvar TeX-output-extension)
(defvar TeX-source-correlate-mode)
(defvar TeX-source-specials-places)
(defvar TeX-source-specials-tex-flags)
(defvar TeX-synctex-tex-flags)
(defvar TeX-current-process-region-p)
(defvar TeX-region)
(defvar TeX-region-orig-buffer)
;; Variables defined in other AUCTeX libraries:
;; latex.el:
(defvar LaTeX-default-verb-delimiter)
(defvar LaTeX-optcl)
(defvar LaTeX-optop)
(defvar LaTeX-largest-level)
;; tex-ispell.el
(defvar TeX-ispell-verb-delimiters)
;; Others:
(defvar tex--prettify-symbols-alist) ; tex-mode.el
(defvar Info-file-list-for-emacs) ; info.el
(defvar ispell-parser) ; ispell.el
(defvar compilation-error-regexp-alist) ; compile.el
(defvar compilation-in-progress) ; compile.el
(defconst TeX-mode-comparison-alist
'((plain-tex-mode . plain-TeX-mode)
(latex-mode . LaTeX-mode)
(doctex-mode . docTeX-mode)
(context-mode . ConTeXt-mode)
(texinfo-mode . Texinfo-mode)
(ams-tex-mode . AmSTeX-mode)
(japanese-plain-tex-mode . japanese-plain-TeX-mode)
(japanese-latex-mode . japanese-LaTeX-mode))
"Comparison table of AUCTeX former and current mode names.
Each entry is of the form (FORMER . CURRENT) where FORMER and
CURRENT are each mode name symbols.")
(defgroup TeX-file nil
"Files used by AUCTeX."
:group 'AUCTeX)
(defgroup TeX-command nil
"Calling external commands from AUCTeX."
:group 'AUCTeX)
(defgroup LaTeX nil
"LaTeX support in AUCTeX."
:tag "LaTeX"
:group 'AUCTeX
:prefix "LaTeX-")
(defgroup TeX-misc nil
"Various AUCTeX settings."
:group 'AUCTeX)
;;; Site Customization
;;
;; The following variables are likely to need to be changed for your
;; site. You should do this with customize.
(defcustom TeX-command "tex"
"Command to run plain TeX."
:group 'TeX-command
:type 'string)
(defcustom TeX-Omega-command "omega"
"Command to run plain TeX on Omega."
:group 'TeX-command
:type '(choice (const :tag "Aleph" "aleph")
(const :tag "Omega" "omega")
(string :tag "Other command")))
(defcustom LaTeX-command "latex"
"Command to run LaTeX."
:group 'TeX-command
:type 'string)
(defcustom LaTeX-Omega-command "lambda"
"Command to run LaTeX on Omega."
:group 'TeX-command
:type '(choice (const :tag "Lamed" "lamed")
(const :tag "Lambda" "lambda")
(string :tag "Other command")))
(defcustom TeX-file-line-error t
"Whether to have TeX produce file:line:error style error messages."
:group 'TeX-command
:type 'boolean)
(defcustom ConTeXt-engine nil
"Engine to use for --engine in the texexec command.
If nil, none is specified."
:group 'TeX-command
:type '(choice (const :tag "Unspecified" nil)
string))
(defcustom ConTeXt-Omega-engine TeX-Omega-command
"Engine to use for --engine in the texexec command in Omega mode.
If nil, none is specified."
:group 'TeX-command
:type '(choice (const :tag "Unspecified" nil)
string))
;; At least in TeXLive 2009 ConTeXt does not support an omega option anymore.
(make-obsolete-variable 'ConTeXt-Omega-engine 'TeX-engine-alist "11.86")
(defcustom TeX-mode-hook nil
"A hook run in TeX mode buffers."
:type 'hook
:group 'TeX-misc)
;; This is the major configuration variable. Most sites will only need to
;; change the second string in each entry, which is the name of a command to
;; send to the shell. If you use other formatters like AMSLaTeX or AMSTeX, you
;; can add those to the list. See `TeX-expand-list' and
;; `TeX-expand-list-builtin' for a description of the % escapes
(defcustom TeX-command-list
'(("TeX" "%(PDF)%(tex) %(file-line-error) %`%(extraopts) %S%(PDFout)%(mode)%' %(output-dir) %t"
TeX-run-TeX nil
(plain-TeX-mode AmSTeX-mode Texinfo-mode) :help "Run plain TeX")
("LaTeX" "%`%l%(mode)%' %T"
TeX-run-TeX nil
(LaTeX-mode docTeX-mode) :help "Run LaTeX")
;; Not part of standard TeX.
("Makeinfo" "makeinfo %(extraopts) %(o-dir) %t" TeX-run-compile nil
(Texinfo-mode) :help "Run Makeinfo with Info output")
("Makeinfo HTML" "makeinfo %(extraopts) %(o-dir) --html %t" TeX-run-compile nil
(Texinfo-mode) :help "Run Makeinfo with HTML output")
("AmSTeX" "amstex %(PDFout) %`%(extraopts) %S%(mode)%' %(output-dir) %t"
TeX-run-TeX nil (AmSTeX-mode) :help "Run AMSTeX")
;; support for ConTeXt --pg
;; first version of ConTeXt to support nonstopmode: 2003.2.10
("ConTeXt" "%(cntxcom) --once %(extraopts) %(execopts)%t"
TeX-run-TeX nil (ConTeXt-mode) :help "Run ConTeXt once")
("ConTeXt Full" "%(cntxcom) %(extraopts) %(execopts)%t"
TeX-run-TeX nil
(ConTeXt-mode) :help "Run ConTeXt until completion")
("BibTeX" "bibtex %(O?aux)" TeX-run-BibTeX nil
(plain-TeX-mode LaTeX-mode docTeX-mode AmSTeX-mode Texinfo-mode
ConTeXt-mode)
:help "Run BibTeX")
("Biber" "biber %(output-dir) %s" TeX-run-Biber nil
(plain-TeX-mode LaTeX-mode docTeX-mode AmSTeX-mode Texinfo-mode)
:help "Run Biber")
;; Not part of standard TeX.
;; It seems that texindex doesn't support "--output-dir" option.
("Texindex" "texindex %s.??" TeX-run-command nil
(Texinfo-mode) :help "Run Texindex")
;; TODO:
;; 1. Supply "--dvipdf" option if `TeX-PDF-mode' and
;; `TeX-PDF-from-DVI' are non-nil.
;; 2. Supply "--build-dir=DIR" option when `TeX-output-dir' is
;; non-nil.
("Texi2dvi" "%(PDF)texi2dvi %t" TeX-run-command nil
(Texinfo-mode) :help "Run Texi2dvi or Texi2pdf")
("View" "%V" TeX-run-discard-or-function t t :help "Run Viewer")
("Print" "%p" TeX-run-command t t :help "Print the file")
("Queue" "%q" TeX-run-background nil t :help "View the printer queue"
:visible TeX-queue-command)
("File" "%(o?)dvips %d -o %f " TeX-run-dvips t
(plain-TeX-mode LaTeX-mode docTeX-mode AmSTeX-mode Texinfo-mode)
:help "Generate PostScript file")
("Dvips" "%(o?)dvips %d -o %f " TeX-run-dvips nil
(plain-TeX-mode LaTeX-mode docTeX-mode AmSTeX-mode Texinfo-mode)
:help "Convert DVI file to PostScript")
("Dvipdfmx" "dvipdfmx -o %(O?pdf) %d" TeX-run-dvipdfmx nil
(plain-TeX-mode LaTeX-mode docTeX-mode AmSTeX-mode Texinfo-mode)
:help "Convert DVI file to PDF with dvipdfmx")
("Ps2pdf" "ps2pdf %f %(O?pdf)" TeX-run-ps2pdf nil
(plain-TeX-mode LaTeX-mode docTeX-mode AmSTeX-mode Texinfo-mode)
:help "Convert PostScript file to PDF")
("LaTeXMk" "latexmk %(latexmk-out) %(file-line-error) %(output-dir) \
%`%(extraopts) %S%(mode)%' %t"
TeX-run-TeX nil (LaTeX-mode docTeX-mode) :help "Run LaTeXMk")
("Glossaries" "makeglossaries %(d-dir) %s" TeX-run-command nil
(plain-TeX-mode LaTeX-mode docTeX-mode AmSTeX-mode Texinfo-mode)
:help "Run makeglossaries to create glossary file")
("Index" "makeindex %(O?idx)" TeX-run-index nil
(plain-TeX-mode LaTeX-mode docTeX-mode AmSTeX-mode Texinfo-mode)
:help "Run makeindex to create index file")
("upMendex" "upmendex %(O?idx)" TeX-run-index t
(plain-TeX-mode LaTeX-mode docTeX-mode AmSTeX-mode Texinfo-mode)
:help "Run upmendex to create index file")
("Xindy" "texindy %s" TeX-run-command nil
(plain-TeX-mode LaTeX-mode docTeX-mode AmSTeX-mode Texinfo-mode)
:help "Run xindy to create index file")
("Check" "lacheck %s" TeX-run-compile nil (LaTeX-mode)
:help "Check LaTeX file for correctness")
("ChkTeX" "chktex -v6 %s" TeX-run-compile nil (LaTeX-mode)
:help "Check LaTeX file for common mistakes")
("Spell" "(TeX-ispell-document \"\")" TeX-run-function nil t
:help "Spell-check the document")
("Clean" "TeX-clean" TeX-run-function nil t
:help "Delete generated intermediate files")
("Clean All" "(TeX-clean t)" TeX-run-function nil t
:help "Delete generated intermediate and output files")
("Other" "" TeX-run-command t t :help "Run an arbitrary command"))
"List of commands to execute on the current document.
Each element is a list, whose first element is the name of the command
as it will be presented to the user.
The second element is the string handed to the shell after being
expanded. The expansion is done using the information found in
`TeX-expand-list'.
The third element is the function which actually start the process.
Several such hooks have been defined:
`TeX-run-command': Start up the process and show the output in a
separate buffer. Check that there is not two commands running for the
same file. Return the process object.
`TeX-run-format': As `TeX-run-command', but assume the output is created
by a TeX macro package. Return the process object.
`TeX-run-TeX': For TeX output.
`TeX-run-interactive': Run TeX or LaTeX interactively.
`TeX-run-BibTeX': For BibTeX output.
`TeX-run-Biber': For Biber output.
`TeX-run-compile': Use `compile' to run the process.
`TeX-run-shell': Use `shell-command' to run the process.
`TeX-run-discard': Start the process in the background, discarding its
output.
`TeX-run-background': Start the process in the background, show output
in other window.
`TeX-run-silent': Start the process in the background.
`TeX-run-discard-foreground': Start the process in the foreground,
discarding its output.
`TeX-run-function': Execute the Lisp function or function call
specified by the string in the second element. Consequently,
this hook does not start a process.
`TeX-run-discard-or-function': If the command is a Lisp function,
execute it as such, otherwise start the command as a process,
discarding its output.
To create your own hook, define a function taking three arguments: The
name of the command, the command string, and the name of the file to
process. It might be useful to use `TeX-run-command' in order to
create an asynchronous process.
If the fourth element is non-nil, the user will get a chance to
modify the expanded string.
The fifth element indicates in which mode(s) the command should be
present in the Command menu. Use t if it should be active in any
mode. If it should only be present in some modes, specify a list with
the respective mode names.
Any additional elements get just transferred to the respective menu entries."
:group 'TeX-command
:type '(repeat (group :value ("" "" TeX-run-command nil t)
(string :tag "Name")
(string :tag "Command")
(choice :tag "How"
:value TeX-run-command
(function-item TeX-run-command)
(function-item TeX-run-format)
(function-item TeX-run-TeX)
(function-item TeX-run-interactive)
(function-item TeX-run-BibTeX)
(function-item TeX-run-Biber)
(function-item TeX-run-compile)
(function-item TeX-run-shell)
(function-item TeX-run-discard)
(function-item TeX-run-background)
(function-item TeX-run-silent)
(function-item TeX-run-discard-foreground)
(function-item TeX-run-function)
(function-item TeX-run-discard-or-function)
(function :tag "Other"))
(boolean :tag "Prompt")
(choice :tag "Modes"
(const :tag "All" t)
(set (const :tag "Plain TeX" plain-TeX-mode)
(const :tag "LaTeX" LaTeX-mode)
(const :tag "DocTeX" docTeX-mode)
(const :tag "ConTeXt" ConTeXt-mode)
(const :tag "Texinfo" Texinfo-mode)
(const :tag "AmSTeX" AmSTeX-mode)))
(repeat :tag "Menu elements" :inline t sexp)))
:package-version '(auctex . "14.0.9"))
(defcustom TeX-command-output-list
'(
; Add the following line if you want to use htlatex (tex4ht)
; ("\\`htlatex" ("html"))
)
"List of regexps and file extensions.
Each element is a list, whose first element is a regular expression to
match against the name of the command that will be used to process the TeX
file.
The second element is either a string or a list with a string as element.
If it is a string this is the default file extension that will be expected
for output files that are produced by commands that match the first
element. The real file extension will be obtained from the logging output
if possible, defaulting to the given string.
If it is a list, the element of the list will be the fixed extension used
without looking at the logging output.
If this list does not yield an extension, the default is either \"dvi\"
or \"pdf\", depending on the setting of `TeX-PDF-mode'.
Extensions must be given without the \".\"."
:group 'TeX-command
:type '(repeat (group (regexp :tag "Command Regexp")
(choice (string :tag "Default Extension")
(group (string :tag "Fixed Extension"))))))
;; You may want to change the default LaTeX version for your site.
(defcustom LaTeX-version "2e"
"Default LaTeX version. Currently recognized is \"2\" and \"2e\"."
:group 'LaTeX
:type '(radio (const :format "%v\n%h"
:doc "\
The executable `latex' is LaTeX version 2."
"2")
(const :format "%v\n%h"
:doc "\
The executable `latex' is LaTeX version 2e."
"2e")
(string :tag "Other")))
;; Use different compilation commands depending on style.
;; Only works if parsing is enabled.
(defcustom LaTeX-command-style
;; They have all been combined in LaTeX 2e.
'(("" "%(PDF)%(latex) %(file-line-error) %(extraopts) %(output-dir) %S%(PDFout)"))
"List of style options and LaTeX commands.
If the first element (a regular expression) matches the name of one of
the style files, any occurrence of the string `%l' in a command in
`TeX-command-list' will be replaced with the second element. The first
match is used, if no match is found the `%l' is replaced with the empty
string."
:group 'TeX-command
:type '(repeat (group :value ("" "")
regexp (string :tag "Style"))))
;; Printing: If you want to print, TeX-print-command must be non-nil
;; (if it is nil, you'll get a complaint when using the print menu).
;; If you want to view the queue, TeX-queue-command needs to be
;; non-nil (if it is nil, it won't get mentioned in the menu). If
;; TeX-printer-list is nil, nothing else gets asked: the menu entries
;; lead directly to the respective commands. If those commands
;; contain %p, the value of TeX-printer-default gets inserted there,
;; no questions asked. Now if TeX-printer-list is non-nil, you'll
;; always get asked which printer you want to use. You can enter a
;; configured printer from TeX-printer-list, or an unknown one. The
;; respective menus will show all configured printers. Since you can
;; enter unknown printers, the printer name _must_ be set with %p in
;; TeX-print-command.
(defcustom TeX-print-command
"{ test -e %d && %(o?)dvips -P%p %r %s; } || lpr -P%p %o"
"Command used to print a file.
First `%p' is expanded to the printer name, then ordinary expansion is
performed as specified in `TeX-expand-list'. If it is nil,
then customization is requested."
:group 'TeX-command
:type '(choice (string :tag "Print command")
(const :tag "No print command customized" nil)))
(defcustom TeX-queue-command "lpq -P%p"
"Command used to show the status of a printer queue.
First `%p' is expanded to the printer name, then ordinary expansion is
performed as specified in `TeX-expand-list'. If this is nil,
the printer has no corresponding command."
:group 'TeX-command
:type '(choice (string :tag "Queue check command")
(const :tag "No such command" nil)))
;; Enter the names of the printers available at your site, or nil if
;; you only have one printer.
(defcustom TeX-printer-list
'(("Default"
;; Print to the (unnamed) default printer. If there is a DVI
;; file print via Dvips. If not, pass the output file (which
;; should then be a Postscript or PDF file) directly to lpr.
"{ test -e %d && %(o?)dvips -f %r %s | lpr; } || lpr %o"
;; Show the queue for the (unnamed) default printer.
"lpq"))
"List of available printers.
The first element of each entry is the printer name.
The second element is the command used to print to this
printer. It defaults to the value of `TeX-print-command' when nil.
The third element is the command used to examine the print queue for
this printer. It defaults to the value of `TeX-queue-command' similarly.
Any occurrence of `%p' in the second or third element is expanded to
the printer name given in the first element, then ordinary expansion
is performed as specified in `TeX-expand-list'.
If this list is empty, only `TeX-print-command' and `TeX-queue-command'
get consulted."
:group 'TeX-command
:type '(repeat (group (string :tag "Name")
(option (group :inline t
:extra-offset -4
(choice :tag "Print"
(const :tag "default")
(string :format "%v"))
(option (choice :tag "Queue"
(const :tag "default")
(string
:format "%v"))))))))
;; The name of the most used printer.
(defcustom TeX-printer-default (or (getenv "PRINTER")
(and TeX-printer-list
(car (car TeX-printer-list)))
"lp")
"Default printer to use with `TeX-command'."
:group 'TeX-command
:type 'string)
(defcustom TeX-print-style '(("^landscape$" "-t landscape"))
"List of style options and print options.
If the first element (a regular expression) matches the name of one of
the style files, any occurrence of the string `%r' in a command in
`TeX-command-list' will be replaced with the second element. The first
match is used, if no match is found the `%r' is replaced with the empty
string."
:group 'TeX-command
:type '(repeat (group regexp (string :tag "Command"))))
(defcustom TeX-command-extra-options ""
"String with the extra options to be given to the TeX processor."
:type 'string
:local t)
(defvar TeX-command-text nil
"Dynamically bound by `TeX-command-expand'.")
(defvar TeX-command-pos nil
"Dynamically bound by `TeX-command-expand'.")
(defvar TeX-expand-pos nil
"Dynamically bound by `TeX-command-expand'.")
(defvar TeX-expand-command nil
"Dynamically bound by `TeX-command-expand'.")
;; This is the list of expansion for the commands in
;; TeX-command-list. Not likely to be changed, but you may e.g. want
;; to handle .ps files.
(defvar TeX-expand-list-builtin
'(("%q" (lambda ()
(TeX-printer-query t)))
("%V" (lambda ()
(TeX-source-correlate-start-server-maybe)
(TeX-view-command-raw)))
("%r" (lambda ()
(TeX-style-check TeX-print-style)))
("%l" (lambda ()
(TeX-style-check LaTeX-command-style)))
("%(PDF)" (lambda ()
(if (and (eq TeX-engine 'default)
(if TeX-PDF-mode
(not (TeX-PDF-from-DVI))
TeX-DVI-via-PDFTeX))
"pdf"
"")))
("%(PDFout)" (lambda ()
(cond ((eq major-mode 'AmSTeX-mode)
(if TeX-PDF-mode
" -output-format=pdf"
" -output-format=dvi"))
((and (eq TeX-engine 'xetex)
(not TeX-PDF-mode))
" -no-pdf")
((and (eq TeX-engine 'luatex)
(not TeX-PDF-mode))
" --output-format=dvi")
((and (eq TeX-engine 'default)
(not TeX-PDF-mode)
TeX-DVI-via-PDFTeX)
" \"\\pdfoutput=0 \"")
(t ""))))
("%(mode)" (lambda ()
(if TeX-interactive-mode
""
" -interaction=nonstopmode")))
("%(file-line-error)"
(lambda () (if TeX-file-line-error " -file-line-error" "")))
("%(o?)" (lambda () (if (eq TeX-engine 'omega) "o" "")))
("%(tex)" (lambda () (eval (nth 2 (TeX-engine-in-engine-alist TeX-engine)))))
("%(latex)" (lambda () (eval (nth 3 (TeX-engine-in-engine-alist TeX-engine)))))
("%(cntxcom)" ConTeXt-expand-command)
("%(execopts)" ConTeXt-expand-options)
("%(extraopts)" (lambda () TeX-command-extra-options))
("%(output-dir)" TeX--output-dir-arg "--output-directory=")
("%(o-dir)" TeX--output-dir-arg "-o ")
("%(d-dir)" TeX--output-dir-arg "-d ")
("%S" TeX-source-correlate-expand-options)
("%dS" TeX-source-specials-view-expand-options)
("%cS" TeX-source-specials-view-expand-client)
("%(outpage)" (lambda ()
;; When `TeX-source-correlate-output-page-function' is nil
;; and we are using synctex, fallback on
;; `TeX-synctex-output-page'.
(and TeX-source-correlate-mode
(null TeX-source-correlate-output-page-function)
(eq (TeX-source-correlate-method-active) 'synctex)
(setq TeX-source-correlate-output-page-function
#'TeX-synctex-output-page))
(or (if TeX-source-correlate-output-page-function
(funcall TeX-source-correlate-output-page-function))
"1")))
;; `TeX-active-master-with-quotes' calls either `TeX-master-file'
;; or `TeX-region-file' returning the master or region file, and
;; adds suitable quotes for use in shell command line.
("%s" TeX-active-master-with-quotes nil t)
("%t" TeX-active-master-with-quotes t t)
("%(s-filename-only)" TeX-active-master-with-quotes nil t nil nil file-name-nondirectory)
("%(t-filename-only)" TeX-active-master-with-quotes t t nil nil file-name-nondirectory)
;; If any TeX codes appear in the interval between %` and %', move
;; all of them after the interval and supplement " \input". The
;; appearance is marked by leaving the bind to `TeX-command-text'
;; with the TeX codes.
;; Rule:
;; 1. %` and %' must appear in pair.
;; 2. %` and %' must not appear more than once in one command
;; line string (including the results of %-expansion).
;; 3. Each TeX codes between %` and %' must be enclosed in
;; double quotes and preceded by a space.
("%`" (lambda nil
(setq TeX-command-pos t TeX-command-text nil)
""))
(" \"\\" (lambda nil
(if (eq TeX-command-pos t)
(setq TeX-command-pos TeX-expand-pos
TeX-expand-pos (+ 3 TeX-expand-pos))
(setq TeX-expand-pos (1+ TeX-expand-pos)))))
("\"" (lambda nil (if (numberp TeX-command-pos)
(setq TeX-command-text
(concat
TeX-command-text
(substring TeX-expand-command
TeX-command-pos
(1+ TeX-expand-pos)))
TeX-expand-command
(concat
(substring TeX-expand-command
0
TeX-command-pos)
(substring TeX-expand-command
(1+ TeX-expand-pos)))
TeX-expand-pos TeX-command-pos
TeX-command-pos t)
(setq TeX-expand-pos (1+ TeX-expand-pos)))))
("%'" (lambda nil
(setq TeX-command-pos nil)
(if (stringp TeX-command-text)
(progn
(setq TeX-expand-pos (+ TeX-expand-pos (length TeX-command-text) 9))
(concat TeX-command-text " \"\\input\""))
"")))
;; The fourth argument of t directs to supply "\detokenize{}" when
;; necessary. See doc string and comment of
;; `TeX-active-master-with-quotes'.
("%T" TeX-active-master-with-quotes t t nil t)
("%n" TeX-current-line)
("%d" TeX-active-master-with-quotes "dvi" t)
("%f" TeX-active-master-with-quotes "ps" t)
("%(O?aux)" TeX-active-master-with-quotes "aux" t)
("%(O?idx)" TeX-active-master-with-quotes "idx" t)
("%(O?pdf)" TeX-active-master-with-quotes "pdf" t)
("%o" (lambda nil (TeX-active-master-with-quotes (TeX-output-extension) t)))
;; for source specials the file name generated for the xdvi
;; command needs to be relative to the master file, just in
;; case the file is in a different subdirectory
("%b" TeX-current-file-name-master-relative)
;; Okular forward PDF search requires absolute path.
("%a" (lambda nil (prin1-to-string (expand-file-name (TeX-buffer-file-name)))))
;; the following is for preview-latex.
("%m" preview-create-subdirectory)
;; LaTeXMk support
("%(latexmk-out)"
(lambda ()
(cond ((eq TeX-engine 'xetex)
" -pdf -pdflatex=xelatex")
((eq TeX-engine 'luatex)
(cond ((and TeX-PDF-mode
(TeX-PDF-from-DVI))
" -dvilua -pdfdvi")
((and (not TeX-PDF-mode)
TeX-DVI-via-PDFTeX)
" -dvilua -ps")
;; This covers the case:
;; (and TeX-PDF-mode (not (TeX-PDF-from-DVI)))
(t
" -pdflua")))
;; This covers everything else since we ignore 'omega:
(t
(cond ((and TeX-PDF-mode
(not (TeX-PDF-from-DVI)))
" -pdf")
((and TeX-PDF-mode
(string= (TeX-PDF-from-DVI) "Dvips"))
" -pdfps")
;; FIXME: This might be inaccurate:
((and TeX-PDF-mode
(string= (TeX-PDF-from-DVI) "Dvipdfmx"))
" -pdfdvi")
((and (not TeX-PDF-mode)
TeX-DVI-via-PDFTeX)
" -pdflatex -dvi -ps")
(t
" -dvi -ps")))))))
"List of built-in expansion strings for TeX command names.
This should not be changed by the user who can use
`TeX-expand-list' variable. The latter variable also contains a
description of the data format.
Programs should not use these variables directly but the function
`TeX-expand-list'.")
(defcustom TeX-expand-list nil
"List of expansion strings for TeX command names defined by the user.
Each entry is a list with two or more elements. The first
element is the string to be expanded. The second element is the
name of a function returning the expanded string when called with
the remaining elements as arguments.
The second element can also be a variable name whose value is
such function.
Built-in expansions provided in `TeX-expand-list-builtin' can be
overwritten by defining expansions strings with the same
expander. Only \"%p\" expander cannot be overwritten.
Programs should not use these variables directly but the function
`TeX-expand-list'."
:group 'TeX-command
:type '(repeat (group (string :tag "Key")
(sexp :tag "Expander")
(repeat :inline t
:tag "Arguments"
(sexp :format "%v")))))
(defun TeX-expand-list ()
"Complete list of expansion strings for TeX command names.
Concatenate `TeX-expand-list' and `TeX-expand-list-builtin' making
sure \"%p\" is the first entry."
(append
;; %p must be the first entry, see `TeX-print-command'.
'(("%p" TeX-printer-query))
TeX-expand-list
TeX-expand-list-builtin))
(defcustom TeX-parse-all-errors t
"Whether to automatically collect all warning and errors after running TeX.
If t, it makes it possible to use `TeX-previous-error' with TeX
commands."
:group 'TeX-command
:type 'boolean)
(defcustom TeX-LaTeX-sentinel-banner-regexp
"^\\(\\*\\* \\)?J?I?p?\\(La\\|Sli\\)TeX\\(2e\\)? \
\\(Version\\|ver\\.\\|<[0-9/-]*\\(?:u[^>]*\\)?>\\)"
"Regexp to identify the banner line in the LaTeX output."
:group 'TeX-output
:type 'regexp)
;;; Portability.
(defmacro TeX--if-macro-fboundp (name then &rest else)
"Execute THEN if macro NAME is bound and ELSE otherwise.
Essentially,
(TeX--if-macro-fboundp name then else...)
is equivalent to
(if (fboundp \\='name) then else...)
but takes care of byte-compilation issues where the byte-code for
the latter could signal an error if it has been compiled with
emacs 24.1 and is then later run by emacs 24.5."
(declare (indent 2) (debug (symbolp form &rest form)))
(if (fboundp name) ;If macro exists at compile-time, just use it.
then
`(if (fboundp ',name) ;Else, check if it exists at run-time.
(eval ',then) ;If it does, then run the then code.
,@else))) ;Otherwise, run the else code.
(require 'easymenu)
;;; Documentation for Info-goto-emacs-command-node and similar
(eval-after-load 'info '(dolist (elt '("TeX" "LaTeX" "ConTeXt" "Texinfo"
"docTeX"))
(add-to-list 'Info-file-list-for-emacs
(cons elt "AUCTeX"))))
(advice-add 'hack-one-local-variable :after #'TeX--call-minor-mode)
(defun TeX--call-minor-mode (var val &rest _)
"Call minor mode function if minor mode variable is found."
;; Instead of checking for each mode explicitly `minor-mode-list'
;; could be used. But this may make the byte compiler pop up.
(when (memq var '(TeX-PDF-mode
TeX-source-correlate-mode TeX-interactive-mode
TeX-fold-mode LaTeX-math-mode))
(funcall var (if (symbol-value val) 1 0))))
(defvar TeX-overlay-priority-step 16
"Numerical difference of priorities between nested overlays.
The step should be big enough to allow setting a priority for new
overlays between two existing ones.")
;; require crm here, because we often do
;;
;; (let ((crm-separator ","))
;; (TeX-completing-read-multiple ...))
;;
;; which results in a void-variable error if crm hasn't been loaded before.
(require 'crm)
;; For GNU Emacs 24.4 or later, based on `completing-read-multiple' of
;; git commit b14abca9476cba2f500b5eda89441d593dd0f12b
;; 2013-01-10 * lisp/emacs-lisp/crm.el: Allow any regexp for separators.
(defun TeX-completing-read-multiple
(prompt table &optional predicate require-match initial-input
hist def inherit-input-method)
"Like `completing-read-multiple' which see.
Retain zero-length substrings but ensure that empty input results
in nil across different emacs versions."
(unwind-protect
(progn
(add-hook 'choose-completion-string-functions
#'crm--choose-completion-string)
(let* ((minibuffer-completion-table #'crm--collection-fn)
(minibuffer-completion-predicate predicate)
;; see completing_read in src/minibuf.c
(minibuffer-completion-confirm
(unless (eq require-match t) require-match))
(crm-completion-table table)
(map (if require-match
crm-local-must-match-map
crm-local-completion-map))
;; If the user enters empty input, `read-from-minibuffer'
;; returns the empty string, not DEF.
(input (read-from-minibuffer
prompt initial-input map
nil hist def inherit-input-method))
result)
(and def (string-equal input "") (setq input def))
(if (equal (setq result (split-string input crm-separator))
'(""))
nil
result)))
(remove-hook 'choose-completion-string-functions
#'crm--choose-completion-string)))
(defun TeX-read-string (prompt &optional initial-input history default-value)
(read-string prompt initial-input history default-value t))
(defun TeX-active-mark ()
(and transient-mark-mode mark-active))
(defun TeX-activate-region ()
(setq deactivate-mark nil)
(activate-mark))
(defun TeX-overlay-prioritize (start end)
"Calculate a priority for an overlay extending from START to END.
The calculated priority is lower than the minimum of priorities
of surrounding overlays and higher than the maximum of enclosed
overlays."
(let (outer-priority inner-priority ov-priority)
(dolist (ov (overlays-in start end))
(when (or (eq (overlay-get ov 'category) 'TeX-fold)
(overlay-get ov 'preview-state))
(setq ov-priority (overlay-get ov 'priority))
(if (>= (overlay-start ov) start)
(setq inner-priority (max ov-priority (or inner-priority
ov-priority)))
(setq outer-priority (min ov-priority (or outer-priority
ov-priority))))))
(cond ((and inner-priority (not outer-priority))
(+ inner-priority TeX-overlay-priority-step))
((and (not inner-priority) outer-priority)
(/ outer-priority 2))
((and inner-priority outer-priority)
(+ (/ (- outer-priority inner-priority) 2) inner-priority))
(t TeX-overlay-priority-step))))
(defun TeX-delete-dups-by-car (alist &optional keep-list)
"Return a list of all elements in ALIST, but each car only once.
Elements of KEEP-LIST are not removed even if duplicate."
;; Copy of `reftex-uniquify-by-car' (written by David Kastrup).
(setq keep-list (TeX-sort-strings keep-list))
(setq alist (sort (copy-sequence alist)
#'TeX-car-string-lessp))
(let ((new alist) elt)
(while (cdr new)
(setq elt (caar new))
(while (and keep-list (string< (car keep-list) elt))
(setq keep-list (cdr keep-list)))
(unless (and keep-list (string= elt (car keep-list)))
(while (string= elt (car (cadr new)))
(setcdr new (cddr new))))
(setq new (cdr new))))
alist)
(defun TeX-delete-duplicate-strings (list)
"Return a list of all strings in LIST, but each only once."
(setq list (TeX-sort-strings list))
(let ((new list) elt)
(while (cdr new)
(setq elt (car new))
(while (string= elt (cadr new))
(setcdr new (cddr new)))
(setq new (cdr new))))
list)
(defun TeX-sort-strings (list)
"Return sorted list of all strings in LIST."
(sort (copy-sequence list) #'string<))
(defun TeX-car-string-lessp (s1 s2)
"Compare the cars of S1 and S2 in lexicographic order.
Return t if first is less than second in lexicographic order."
(string-lessp (car s1) (car s2)))
;;; Buffer
(defgroup TeX-output nil
"Parsing TeX output."
:prefix "TeX-"
:group 'AUCTeX)
(defcustom TeX-display-help t
"Control type of help display when stepping through errors with \\[TeX-next-error].
If t display help buffer. If nil display message about error in
echo area. If `expert' display output buffer with raw processor output."
:group 'TeX-output
:type '(choice (const :tag "Help buffer" t)
(const :tag "Echo area" nil)
(const :tag "Output buffer" expert)))
(defcustom TeX-debug-bad-boxes nil
"Non-nil means also find overfull/underfull box warnings with \\[TeX-next-error]."
:group 'TeX-output
:type 'boolean)
(defcustom TeX-debug-warnings nil
"Non-nil means also find LaTeX or package warnings with \\[TeX-next-error]."
:group 'TeX-output
:type 'boolean)
(defcustom TeX-ignore-warnings nil
"Controls which warnings are to be ignored.
It can be either a regexp matching warnings to be ignored, or a
symbol with the name of a custom function taking as arguments all
the information of the warning listed in `TeX-error-list', except
the last one about whether to ignore the warning.
If you want to use the custom function, see how it is used in the
code of `TeX-warning'."
:group 'TeX-command
:type '(choice (const :tag "Do not ignore anything" nil)
(string :tag "Regexp")
(symbol :tag "Function name")))
(defcustom TeX-suppress-ignored-warnings nil
"Whether to actually show ignored warnings.
Note that `TeX-debug-warnings' always takes the precedence."
:group 'TeX-command
:type 'boolean)
(defun TeX-toggle-debug-bad-boxes ()
"Toggle if the debugger should display \"bad boxes\" too."
(interactive)
(setq TeX-debug-bad-boxes (not TeX-debug-bad-boxes))
(message (concat "TeX-debug-bad-boxes: "
(if TeX-debug-bad-boxes "on" "off"))))
(defun TeX-toggle-debug-warnings ()
"Toggle if the debugger should display warnings too."
(interactive)
(setq TeX-debug-warnings (not TeX-debug-warnings))
(message (concat "TeX-debug-warnings: "
(if TeX-debug-warnings "on" "off"))))
(defun TeX-toggle-suppress-ignored-warnings ()
"Toggle if the debugger should display ignored warnings too.
See `TeX-suppress-ignored-warnings' and `TeX-ignore-warnings' for
more details."
(interactive)
(setq TeX-suppress-ignored-warnings (not TeX-suppress-ignored-warnings))