mirror of
https://git.savannah.gnu.org/git/emacs.git
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3558 lines
129 KiB
EmacsLisp
3558 lines
129 KiB
EmacsLisp
;;; tex-mode.el --- TeX, LaTeX, and SliTeX mode commands -*- lexical-binding:t -*-
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;; Copyright (C) 1985-1986, 1989, 1992, 1994-1999, 2001-2020 Free
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;; Software Foundation, Inc.
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;; Maintainer: emacs-devel@gnu.org
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;; Keywords: tex
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;; Contributions over the years by William F. Schelter, Dick King,
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;; Stephen Gildea, Michael Prange, Jacob Gore, and Edward M. Reingold.
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;;; Code:
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;; Pacify the byte-compiler
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(eval-when-compile
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(require 'compare-w)
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(require 'cl-lib)
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(require 'skeleton))
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(defvar font-lock-comment-face)
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(defvar font-lock-doc-face)
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(require 'shell)
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(require 'compile)
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(defgroup tex-file nil
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"TeX files and directories."
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:prefix "tex-"
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:group 'tex)
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(defgroup tex-run nil
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"Running external commands from TeX mode."
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:prefix "tex-"
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:group 'tex)
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(defgroup tex-view nil
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"Viewing and printing TeX files."
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:prefix "tex-"
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:group 'tex)
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(defgroup tex-flymake nil
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"Flymake backend for linting TeX files."
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:prefix "tex-"
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:group 'tex)
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;;;###autoload
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(defcustom tex-shell-file-name nil
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"If non-nil, the shell file name to run in the subshell used to run TeX."
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:type '(choice (const :tag "None" nil)
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string)
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:group 'tex-run)
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;;;###autoload
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(defcustom tex-directory (purecopy ".")
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"Directory in which temporary files are written.
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You can make this `/tmp' if your TEXINPUTS has no relative directories in it
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and you don't try to apply \\[tex-region] or \\[tex-buffer] when there are
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`\\input' commands with relative directories."
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:type 'directory
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:group 'tex-file)
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;;;###autoload
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(defcustom tex-first-line-header-regexp nil
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"Regexp for matching a first line which `tex-region' should include.
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If this is non-nil, it should be a regular expression string;
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if it matches the first line of the file,
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`tex-region' always includes the first line in the TeX run."
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:type '(choice (const :tag "None" nil)
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regexp)
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:group 'tex-file)
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;;;###autoload
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(defcustom tex-main-file nil
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"The main TeX source file which includes this buffer's file.
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The command `tex-file' runs TeX on the file specified by `tex-main-file'
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if the variable is non-nil."
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:type '(choice (const :tag "None" nil)
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file)
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:group 'tex-file)
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;;;###autoload
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(defcustom tex-offer-save t
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"If non-nil, ask about saving modified buffers before \\[tex-file] is run."
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:type 'boolean
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:group 'tex-file)
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;;;###autoload
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(defcustom tex-run-command (purecopy "tex")
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"Command used to run TeX subjob.
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TeX Mode sets `tex-command' to this string.
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See the documentation of that variable."
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:type 'string
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:group 'tex-run)
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;;;###autoload
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(defcustom latex-run-command (purecopy "latex")
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"Command used to run LaTeX subjob.
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LaTeX Mode sets `tex-command' to this string.
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See the documentation of that variable."
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:type 'string
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:group 'tex-run)
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;;;###autoload
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(defcustom slitex-run-command (purecopy "slitex")
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"Command used to run SliTeX subjob.
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SliTeX Mode sets `tex-command' to this string.
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See the documentation of that variable."
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:type 'string
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:group 'tex-run)
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;;;###autoload
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(defcustom tex-start-options (purecopy "")
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"TeX options to use when starting TeX.
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These immediately precede the commands in `tex-start-commands'
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and the input file name, with no separating space and are not shell-quoted.
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If nil, TeX runs with no options. See the documentation of `tex-command'."
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:type 'string
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:group 'tex-run
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:version "22.1")
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;;;###autoload
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(defcustom tex-start-commands (purecopy "\\nonstopmode\\input")
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"TeX commands to use when starting TeX.
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They are shell-quoted and precede the input file name, with a separating space.
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If nil, no commands are used. See the documentation of `tex-command'."
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:type '(radio (const :tag "Interactive (nil)" nil)
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(const :tag "Nonstop (\"\\nonstopmode\\input\")"
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"\\nonstopmode\\input")
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(string :tag "String at your choice"))
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:group 'tex-run
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:version "22.1")
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(defvar latex-standard-block-names
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'("abstract" "array" "center" "description"
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"displaymath" "document" "enumerate" "eqnarray"
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"eqnarray*" "equation" "figure" "figure*"
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"flushleft" "flushright" "itemize" "letter"
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"list" "minipage" "picture" "quotation"
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"quote" "slide" "sloppypar" "tabbing"
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"table" "table*" "tabular" "tabular*"
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"thebibliography" "theindex*" "titlepage" "trivlist"
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"verbatim" "verbatim*" "verse" "math")
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"Standard LaTeX block names.")
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;;;###autoload
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(defcustom latex-block-names nil
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"User defined LaTeX block names.
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Combined with `latex-standard-block-names' for minibuffer completion."
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:type '(repeat string)
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:group 'tex-run)
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;;;###autoload
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(defcustom tex-bibtex-command (purecopy "bibtex")
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"Command used by `tex-bibtex-file' to gather bibliographic data.
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If this string contains an asterisk (`*'), that is replaced by the file name;
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otherwise, the file name, preceded by blank, is added at the end."
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:type 'string
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:group 'tex-run)
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;;;###autoload
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(defcustom tex-dvi-print-command (purecopy "lpr -d")
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"Command used by \\[tex-print] to print a .dvi file.
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If this string contains an asterisk (`*'), that is replaced by the file name;
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otherwise, the file name, preceded by blank, is added at the end."
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:type 'string
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:group 'tex-view)
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;;;###autoload
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(defcustom tex-alt-dvi-print-command (purecopy "lpr -d")
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"Command used by \\[tex-print] with a prefix arg to print a .dvi file.
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If this string contains an asterisk (`*'), that is replaced by the file name;
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otherwise, the file name, preceded by blank, is added at the end.
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If two printers are not enough of a choice, you can set the variable
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`tex-alt-dvi-print-command' to an expression that asks what you want;
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for example,
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(setq tex-alt-dvi-print-command
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\\='(format \"lpr -P%s\" (read-string \"Use printer: \")))
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would tell \\[tex-print] with a prefix argument to ask you which printer to
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use."
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:type '(choice (string :tag "Command")
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(sexp :tag "Expression"))
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:group 'tex-view)
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;;;###autoload
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(defcustom tex-dvi-view-command
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`(cond
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((eq window-system 'x) ,(purecopy "xdvi"))
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((eq window-system 'w32) ,(purecopy "yap"))
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(t ,(purecopy "dvi2tty * | cat -s")))
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"Command used by \\[tex-view] to display a `.dvi' file.
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If it is a string, that specifies the command directly.
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If this string contains an asterisk (`*'), that is replaced by the file name;
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otherwise, the file name, preceded by a space, is added at the end.
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If the value is a form, it is evaluated to get the command to use."
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:type '(choice (const nil) string sexp)
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:group 'tex-view)
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;;;###autoload
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(defcustom tex-show-queue-command (purecopy "lpq")
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"Command used by \\[tex-show-print-queue] to show the print queue.
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Should show the queue(s) that \\[tex-print] puts jobs on."
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:type 'string
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:group 'tex-view)
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;;;###autoload
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(defcustom tex-default-mode 'latex-mode
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"Mode to enter for a new file that might be either TeX or LaTeX.
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This variable is used when it can't be determined whether the file
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is plain TeX or LaTeX or what because the file contains no commands.
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Normally set to either `plain-tex-mode' or `latex-mode'."
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:type 'function
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:group 'tex)
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;;;###autoload
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(defcustom tex-open-quote (purecopy "``")
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"String inserted by typing \\[tex-insert-quote] to open a quotation."
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:type 'string
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:options '("``" "\"<" "\"`" "<<" "«")
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:group 'tex)
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;;;###autoload
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(defcustom tex-close-quote (purecopy "''")
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"String inserted by typing \\[tex-insert-quote] to close a quotation."
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:type 'string
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:options '("''" "\">" "\"'" ">>" "»")
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:group 'tex)
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(defcustom tex-fontify-script t
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"If non-nil, fontify subscript and superscript strings."
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:type 'boolean
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:group 'tex
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:version "23.1")
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(put 'tex-fontify-script 'safe-local-variable #'booleanp)
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(defcustom tex-font-script-display '(-0.2 0.2)
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"How much to lower and raise subscript and superscript content.
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This is a list of two floats. The first is negative and
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specifies how much subscript is lowered, the second is positive
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and specifies how much superscript is raised. Heights are
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measured relative to that of the normal text."
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:group 'tex
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:type '(list (float :tag "Subscript")
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(float :tag "Superscript"))
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:version "23.1")
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(defcustom tex-chktex-program "chktex"
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"ChkTeX executable to use for linting TeX files."
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:version "26.1"
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:type 'string
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:link '(url-link "man:chktex(1)")
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:group 'tex-flymake)
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(defcustom tex-chktex-extra-flags nil
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"Extra command line flags for `tex-chktex-program'."
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:version "26.1"
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:type '(repeat string)
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:group 'tex-flymake)
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(defvar tex-last-temp-file nil
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"Latest temporary file generated by \\[tex-region] and \\[tex-buffer].
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Deleted when the \\[tex-region] or \\[tex-buffer] is next run, or when the
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tex shell terminates.")
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(defvar tex-command "tex"
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"Command to run TeX.
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If this string contains an asterisk \(`*'), that is replaced by the file name;
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otherwise the value of `tex-start-options', the \(shell-quoted)
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value of `tex-start-commands', and the file name are added at the end
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with blanks as separators.
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In TeX, LaTeX, and SliTeX Mode this variable becomes buffer local.")
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(defvar tex-trailer nil
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"String appended after the end of a region sent to TeX by \\[tex-region].")
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(defvar tex-start-of-header nil
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"Regular expression used by \\[tex-region] to find start of file's header.")
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(defvar tex-end-of-header nil
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"Regular expression used by \\[tex-region] to find end of file's header.")
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(defvar tex-shell-cd-command "cd"
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"Command to give to shell running TeX to change directory.
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The value of `tex-directory' is appended to this, separated by a space.")
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(defvar tex-zap-file nil
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"Temporary file name used for text being sent as input to TeX.
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Should be a simple file name with no extension or directory specification.")
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(defvar tex-last-buffer-texed nil
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"Buffer which was last TeXed.")
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(defvar tex-print-file nil
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"File name that \\[tex-print] prints.
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Set by \\[tex-region], \\[tex-buffer], and \\[tex-file].")
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(defvar tex-mode-syntax-table
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(let ((st (make-syntax-table)))
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(modify-syntax-entry ?% "<" st)
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(modify-syntax-entry ?\n ">" st)
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(modify-syntax-entry ?\f ">" st)
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(modify-syntax-entry ?\C-@ "w" st)
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(modify-syntax-entry ?' "w" st)
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(modify-syntax-entry ?@ "_" st)
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(modify-syntax-entry ?* "_" st)
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(modify-syntax-entry ?\t " " st)
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;; ~ is printed by TeX as a space, but it's semantics in the syntax
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;; of TeX is not `whitespace' (i.e. it's just like \hspace{foo}).
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(modify-syntax-entry ?~ "." st)
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(modify-syntax-entry ?$ "$$" st)
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(modify-syntax-entry ?\\ "/" st)
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(modify-syntax-entry ?\" "." st)
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(modify-syntax-entry ?& "." st)
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(modify-syntax-entry ?_ "." st)
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(modify-syntax-entry ?^ "." st)
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st)
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"Syntax table used while in TeX mode.")
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;;;;
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;;;; Imenu support
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;;;;
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(defcustom latex-imenu-indent-string ". "
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"String to add repeated in front of nested sectional units for Imenu.
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An alternative value is \" . \", if you use a font with a narrow period."
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:type 'string
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:group 'tex)
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(defvar latex-section-alist
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'(("part" . 0) ("chapter" . 1)
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("section" . 2) ("subsection" . 3)
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("subsubsection" . 4)
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("paragraph" . 5) ("subparagraph" . 6)))
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(defvar latex-metasection-list
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'("documentstyle" "documentclass"
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"begin{document}" "end{document}"
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"appendix" "frontmatter" "mainmatter" "backmatter"))
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(defun latex-imenu-create-index ()
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"Generate an alist for imenu from a LaTeX buffer."
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(let ((section-regexp
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(concat "\\\\" (regexp-opt (mapcar #'car latex-section-alist) t)
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"\\*?[ \t]*{"))
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(metasection-regexp
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(concat "\\\\" (regexp-opt latex-metasection-list t)))
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i0 menu case-fold-search)
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(save-excursion
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;; Find the top-most level in this file but don't allow it to be
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;; any deeper than "section" (which is top-level in an article).
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(goto-char (point-min))
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(if (search-forward-regexp "\\\\part\\*?[ \t]*{" nil t)
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(setq i0 0)
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(if (search-forward-regexp "\\\\chapter\\*?[ \t]*{" nil t)
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(setq i0 1)
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(setq i0 2)))
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;; Look for chapters and sections.
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(goto-char (point-min))
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(while (search-forward-regexp section-regexp nil t)
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(let ((start (match-beginning 0))
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(here (point))
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(i (cdr (assoc (buffer-substring-no-properties
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(match-beginning 1)
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(match-end 1))
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latex-section-alist))))
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(backward-char 1)
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(condition-case nil
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(progn
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;; Using sexps allows some use of matching {...} inside
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;; titles.
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(forward-sexp 1)
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(push (cons (concat (apply #'concat
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(make-list
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(max 0 (- i i0))
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latex-imenu-indent-string))
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(buffer-substring-no-properties
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here (1- (point))))
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start)
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menu))
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(error nil))))
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;; Look for included material.
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(goto-char (point-min))
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(while (search-forward-regexp
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"\\\\\\(include\\|input\\|verbatiminput\\|bibliography\\)\
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[ \t]*{\\([^}\n]+\\)}"
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nil t)
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(push (cons (concat "<<" (buffer-substring-no-properties
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(match-beginning 2)
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(match-end 2))
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(if (= (char-after (match-beginning 1)) ?b)
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".bbl"
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".tex"))
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(match-beginning 0))
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menu))
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;; Look for \frontmatter, \mainmatter, \backmatter, and \appendix.
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(goto-char (point-min))
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(while (search-forward-regexp metasection-regexp nil t)
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(push (cons "--" (match-beginning 0)) menu))
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;; Sort in increasing buffer position order.
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(sort menu (function (lambda (a b) (< (cdr a) (cdr b))))))))
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;;;;
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;;;; Outline support
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;;;;
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(defvar latex-outline-regexp
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(concat "\\\\"
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(regexp-opt (append latex-metasection-list
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(mapcar #'car latex-section-alist))
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t)))
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(defun latex-outline-level ()
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(if (looking-at latex-outline-regexp)
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(1+ (or (cdr (assoc (match-string 1) latex-section-alist)) -1))
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1000))
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(defun tex-current-defun-name ()
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"Return the name of the TeX section/paragraph/chapter at point, or nil."
|
||
(save-excursion
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(when (re-search-backward
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"\\\\\\(sub\\)*\\(section\\|paragraph\\|chapter\\)"
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nil t)
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(goto-char (match-beginning 0))
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(buffer-substring-no-properties
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(1+ (point)) ; without initial backslash
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(line-end-position)))))
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;;;;
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;;;; Font-Lock support
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;;;;
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;(defvar tex-font-lock-keywords
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; ;; Regexps updated with help from Ulrik Dickow <dickow@nbi.dk>.
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; '(("\\\\\\(begin\\|end\\|newcommand\\){\\([a-zA-Z0-9\\*]+\\)}"
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; 2 font-lock-function-name-face)
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; ("\\\\\\(cite\\|label\\|pageref\\|ref\\){\\([^} \t\n]+\\)}"
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; 2 font-lock-constant-face)
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||
; ;; It seems a bit dubious to use `bold' and `italic' faces since we might
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; ;; not be able to display those fonts.
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; ("{\\\\bf\\([^}]+\\)}" 1 'bold keep)
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||
; ("{\\\\\\(em\\|it\\|sl\\)\\([^}]+\\)}" 2 'italic keep)
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||
; ("\\\\\\([a-zA-Z@]+\\|.\\)" . font-lock-keyword-face)
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||
; ("^[ \t\n]*\\\\def[\\\\@]\\(\\w+\\)" 1 font-lock-function-name-face keep))
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; ;; Rewritten and extended for LaTeX2e by Ulrik Dickow <dickow@nbi.dk>.
|
||
; '(("\\\\\\(begin\\|end\\|newcommand\\){\\([a-zA-Z0-9\\*]+\\)}"
|
||
; 2 font-lock-function-name-face)
|
||
; ("\\\\\\(cite\\|label\\|pageref\\|ref\\){\\([^} \t\n]+\\)}"
|
||
; 2 font-lock-constant-face)
|
||
; ("^[ \t]*\\\\def\\\\\\(\\(\\w\\|@\\)+\\)" 1 font-lock-function-name-face)
|
||
; "\\\\\\([a-zA-Z@]+\\|.\\)"
|
||
; ;; It seems a bit dubious to use `bold' and `italic' faces since we might
|
||
; ;; not be able to display those fonts.
|
||
; ;; LaTeX2e: \emph{This is emphasized}.
|
||
; ("\\\\emph{\\([^}]+\\)}" 1 'italic keep)
|
||
; ;; LaTeX2e: \textbf{This is bold}, \textit{...}, \textsl{...}
|
||
; ("\\\\text\\(\\(bf\\)\\|it\\|sl\\){\\([^}]+\\)}"
|
||
; 3 (if (match-beginning 2) 'bold 'italic) keep)
|
||
; ;; Old-style bf/em/it/sl. Stop at `\\' and un-escaped `&', for tables.
|
||
; ("\\\\\\(\\(bf\\)\\|em\\|it\\|sl\\)\\>\\(\\([^}&\\]\\|\\\\[^\\]\\)+\\)"
|
||
; 3 (if (match-beginning 2) 'bold 'italic) keep))
|
||
|
||
;; Rewritten with the help of Alexandra Bac <abac@welcome.disi.unige.it>.
|
||
(defconst tex-font-lock-keywords-1
|
||
(eval-when-compile
|
||
(let* (;; Names of commands whose arg should be fontified as heading, etc.
|
||
(headings (regexp-opt
|
||
'("title" "begin" "end" "chapter" "part"
|
||
"section" "subsection" "subsubsection"
|
||
"paragraph" "subparagraph" "subsubparagraph"
|
||
"newcommand" "renewcommand" "providecommand"
|
||
"newenvironment" "renewenvironment"
|
||
"newtheorem" "renewtheorem")
|
||
t))
|
||
(variables (regexp-opt
|
||
'("newcounter" "newcounter*" "setcounter" "addtocounter"
|
||
"setlength" "addtolength" "settowidth")
|
||
t))
|
||
(includes (regexp-opt
|
||
'("input" "include" "includeonly" "bibliography"
|
||
"epsfig" "psfig" "epsf" "nofiles" "usepackage"
|
||
"documentstyle" "documentclass" "verbatiminput"
|
||
"includegraphics" "includegraphics*")
|
||
t))
|
||
(verbish (regexp-opt '("url" "nolinkurl" "path") t))
|
||
;; Miscellany.
|
||
(slash "\\\\")
|
||
(opt " *\\(\\[[^]]*\\] *\\)*")
|
||
;; This would allow highlighting \newcommand\CMD but requires
|
||
;; adapting subgroup numbers below.
|
||
;; (arg "\\(?:{\\(\\(?:[^{}\\]+\\|\\\\.\\|{[^}]*}\\)+\\)\\|\\\\[a-z*]+\\)"))
|
||
(inbraces-re (lambda (re)
|
||
(concat "\\(?:[^{}\\]\\|\\\\.\\|" re "\\)")))
|
||
(arg (concat "{\\(" (funcall inbraces-re "{[^}]*}") "+\\)")))
|
||
`( ;; Highlight $$math$$ and $math$.
|
||
;; This is done at the very beginning so as to interact with the other
|
||
;; keywords in the same way as comments and strings.
|
||
(,(concat "\\$\\$?\\(?:[^$\\{}]\\|\\\\.\\|{"
|
||
(funcall inbraces-re
|
||
(concat "{" (funcall inbraces-re "{[^}]*}") "*}"))
|
||
"*}\\)+\\$?\\$")
|
||
(0 'tex-math))
|
||
;; Heading args.
|
||
(,(concat slash headings "\\*?" opt arg)
|
||
;; If ARG ends up matching too much (if the {} don't match, e.g.)
|
||
;; jit-lock will do funny things: when updating the buffer
|
||
;; the re-highlighting is only done locally so it will just
|
||
;; match the local line, but defer-contextually will
|
||
;; match more lines at a time, so ARG will end up matching
|
||
;; a lot more, which might suddenly include a comment
|
||
;; so you get things highlighted bold when you type them
|
||
;; but they get turned back to normal a little while later
|
||
;; because "there's already a face there".
|
||
;; Using `keep' works around this un-intuitive behavior as well
|
||
;; as improves the behavior in the very rare case where you do
|
||
;; have a comment in ARG.
|
||
3 font-lock-function-name-face keep)
|
||
(,(concat slash "\\(?:provide\\|\\(?:re\\)?new\\)command\\** *\\(\\\\[A-Za-z@]+\\)")
|
||
1 font-lock-function-name-face keep)
|
||
;; Variable args.
|
||
(,(concat slash variables " *" arg) 2 font-lock-variable-name-face)
|
||
;; Include args.
|
||
(,(concat slash includes opt arg) 3 font-lock-builtin-face)
|
||
;; Verbatim-like args.
|
||
(,(concat slash verbish opt arg) 3 'tex-verbatim t)
|
||
;; Definitions. I think.
|
||
("^[ \t]*\\\\def *\\\\\\(\\(\\w\\|@\\)+\\)"
|
||
1 font-lock-function-name-face))))
|
||
"Subdued expressions to highlight in TeX modes.")
|
||
|
||
(defun tex-font-lock-append-prop (prop)
|
||
(unless (memq (get-text-property (match-end 1) 'face)
|
||
'(font-lock-comment-face tex-verbatim))
|
||
prop))
|
||
|
||
(defconst tex-font-lock-keywords-2
|
||
(append tex-font-lock-keywords-1
|
||
(eval-when-compile
|
||
(let* (;;
|
||
;; Names of commands whose arg should be fontified with fonts.
|
||
(bold (regexp-opt '("textbf" "textsc" "textup"
|
||
"boldsymbol" "pmb")
|
||
t))
|
||
(italic (regexp-opt '("textit" "textsl" "emph") t))
|
||
;; FIXME: unimplemented yet.
|
||
;; (type (regexp-opt '("texttt" "textmd" "textrm" "textsf") t))
|
||
;;
|
||
;; Names of commands whose arg should be fontified as a citation.
|
||
(citations (regexp-opt
|
||
'("label" "ref" "pageref" "vref" "eqref"
|
||
"cite" "nocite" "index" "glossary" "bibitem"
|
||
;; natbib's two variants of \cite:
|
||
"citep" "citet"
|
||
;; These are text, rather than citations.
|
||
;; "caption" "footnote" "footnotemark" "footnotetext"
|
||
)
|
||
t))
|
||
;;
|
||
;; Names of commands that should be fontified.
|
||
(specials-1 (regexp-opt '("\\" "\\*") t)) ;; "-"
|
||
(specials-2 (regexp-opt
|
||
'("linebreak" "nolinebreak" "pagebreak" "nopagebreak"
|
||
"newline" "newpage" "clearpage" "cleardoublepage"
|
||
"displaybreak" "allowdisplaybreaks"
|
||
"enlargethispage")
|
||
t))
|
||
(general "\\([a-zA-Z@]+\\**\\|[^ \t\n]\\)")
|
||
;;
|
||
;; Miscellany.
|
||
(slash "\\\\")
|
||
(opt " *\\(\\[[^]]*\\] *\\)*")
|
||
(args "\\(\\(?:[^{}&\\]+\\|\\\\.\\|{[^}]*}\\)+\\)")
|
||
(arg "{\\(\\(?:[^{}\\]+\\|\\\\.\\|{[^}]*}\\)+\\)"))
|
||
(list
|
||
;;
|
||
;; Citation args.
|
||
(list (concat slash citations opt arg) 3 'font-lock-constant-face)
|
||
;;
|
||
;; Text between `` quotes ''.
|
||
(cons (concat (regexp-opt '("``" "\"<" "\"`" "<<" "«") t)
|
||
"[^'\">{]+" ;a bit pessimistic
|
||
(regexp-opt '("''" "\">" "\"'" ">>" "»") t))
|
||
'font-lock-string-face)
|
||
;;
|
||
;; Command names, special and general.
|
||
(cons (concat slash specials-1) 'font-lock-warning-face)
|
||
(list (concat "\\(" slash specials-2 "\\)\\([^a-zA-Z@]\\|\\'\\)")
|
||
1 'font-lock-warning-face)
|
||
(concat slash general)
|
||
;;
|
||
;; Font environments. It seems a bit dubious to use `bold' etc. faces
|
||
;; since we might not be able to display those fonts.
|
||
(list (concat slash bold " *" arg) 2
|
||
'(tex-font-lock-append-prop 'bold) 'append)
|
||
(list (concat slash italic " *" arg) 2
|
||
'(tex-font-lock-append-prop 'italic) 'append)
|
||
;; (list (concat slash type arg) 2 '(quote bold-italic) 'append)
|
||
;;
|
||
;; Old-style bf/em/it/sl. Stop at `\\' and un-escaped `&', for tables.
|
||
(list (concat "\\\\\\(em\\|it\\|sl\\)\\>" args)
|
||
2 '(tex-font-lock-append-prop 'italic) 'append)
|
||
;; This is separate from the previous one because of cases like
|
||
;; {\em foo {\bf bar} bla} where both match.
|
||
(list (concat "\\\\\\(bf\\(series\\)?\\)\\>" args)
|
||
3 '(tex-font-lock-append-prop 'bold) 'append)))))
|
||
"Gaudy expressions to highlight in TeX modes.")
|
||
|
||
(defun tex-font-lock-suscript (pos)
|
||
(unless (or (memq (get-text-property pos 'face)
|
||
'(font-lock-constant-face font-lock-builtin-face
|
||
font-lock-comment-face tex-verbatim))
|
||
;; Check for backslash quoting
|
||
(let ((odd nil)
|
||
(pos pos))
|
||
(while (eq (char-before pos) ?\\)
|
||
(setq pos (1- pos) odd (not odd)))
|
||
odd))
|
||
(if (eq (char-after pos) ?_)
|
||
`(face subscript display (raise ,(car tex-font-script-display)))
|
||
`(face superscript display (raise ,(cadr tex-font-script-display))))))
|
||
|
||
(defun tex-font-lock-match-suscript (limit)
|
||
"Match subscript and superscript patterns up to LIMIT."
|
||
(when (and tex-fontify-script
|
||
(re-search-forward "[_^] *\\([^\n\\{}]\\|\
|
||
\\\\\\([a-zA-Z@]+\\|[^ \t\n]\\)\\|\\({\\)\\)" limit t))
|
||
(when (match-end 3)
|
||
(let ((beg (match-beginning 3))
|
||
(end (save-restriction
|
||
(narrow-to-region (point-min) limit)
|
||
(condition-case nil (scan-lists (point) 1 1) (error nil)))))
|
||
(store-match-data (if end
|
||
(list (match-beginning 0) end beg end)
|
||
(list beg beg beg beg)))))
|
||
t))
|
||
|
||
(defconst tex-font-lock-keywords-3
|
||
(append tex-font-lock-keywords-2
|
||
'((tex-font-lock-match-suscript
|
||
(1 (tex-font-lock-suscript (match-beginning 0)) append))))
|
||
"Experimental expressions to highlight in TeX modes.")
|
||
|
||
(defconst tex-font-lock-keywords tex-font-lock-keywords-1
|
||
"Default expressions to highlight in TeX modes.")
|
||
|
||
(defvar tex-verbatim-environments
|
||
'("verbatim" "verbatim*"))
|
||
(put 'tex-verbatim-environments 'safe-local-variable
|
||
(lambda (x) (not (memq nil (mapcar #'stringp x)))))
|
||
|
||
(eval-when-compile
|
||
(defconst tex-syntax-propertize-rules
|
||
(syntax-propertize-precompile-rules
|
||
("\\\\verb\\**\\([^a-z@*]\\)"
|
||
(1 (prog1 "\""
|
||
(tex-font-lock-verb
|
||
(match-beginning 0) (char-after (match-beginning 1))))))))
|
||
|
||
(defconst latex-syntax-propertize-rules
|
||
(syntax-propertize-precompile-rules
|
||
tex-syntax-propertize-rules
|
||
("\\\\\\(?:end\\|begin\\) *\\({[^\n{}]*}\\)"
|
||
(1 (ignore
|
||
(tex-env-mark (match-beginning 0)
|
||
(match-beginning 1) (match-end 1))))))))
|
||
|
||
(defun tex-env-mark (cmd start end)
|
||
(when (= cmd (line-beginning-position))
|
||
(let ((arg (buffer-substring-no-properties (1+ start) (1- end))))
|
||
(when (member arg tex-verbatim-environments)
|
||
(if (eq ?b (char-after (1+ cmd)))
|
||
;; \begin
|
||
(put-text-property (line-end-position)
|
||
(line-beginning-position 2)
|
||
'syntax-table (string-to-syntax "< c"))
|
||
;; In the case of an empty verbatim env, the \n after the \begin is
|
||
;; the same as the \n before the \end. Lucky for us, the "> c"
|
||
;; property associated to the \end will be placed afterwards, so it
|
||
;; will override the "< c".
|
||
(put-text-property (1- cmd) cmd
|
||
'syntax-table (string-to-syntax "> c"))
|
||
;; The text between \end{verbatim} and \n is ignored, so we'll treat
|
||
;; it as a comment.
|
||
(put-text-property end (min (1+ end) (line-end-position))
|
||
'syntax-table (string-to-syntax "<"))))))
|
||
;; Mark env args for possible electric pairing.
|
||
(unless (get-char-property (1+ start) 'text-clones) ;Already paired-up.
|
||
(put-text-property start end 'latex-env-pair t)))
|
||
|
||
(define-minor-mode latex-electric-env-pair-mode
|
||
"Toggle Latex Electric Env Pair mode.
|
||
|
||
Latex Electric Env Pair mode is a buffer-local minor mode for use
|
||
with `latex-mode'. When enabled, typing a \\begin or \\end tag
|
||
automatically inserts its partner."
|
||
:lighter "/e"
|
||
(if latex-electric-env-pair-mode
|
||
(add-hook 'before-change-functions
|
||
#'latex-env-before-change nil 'local)
|
||
(remove-hook 'before-change-functions
|
||
#'latex-env-before-change 'local)))
|
||
|
||
(defun latex-env-before-change (start end)
|
||
(when (get-text-property start 'latex-env-pair)
|
||
(condition-case err
|
||
(with-silent-modifications
|
||
;; Remove properties even if don't find a pair.
|
||
(remove-list-of-text-properties
|
||
(previous-single-property-change (1+ start) 'latex-env-pair)
|
||
(next-single-property-change start 'latex-env-pair)
|
||
'(latex-env-pair))
|
||
(unless (or (get-char-property start 'text-clones)
|
||
(get-char-property (1+ start) 'text-clones)
|
||
(save-excursion
|
||
(goto-char start)
|
||
(not (re-search-backward
|
||
"\\\\\\(?:end\\|begi\\(n\\)\\) *{"
|
||
(line-beginning-position) t))))
|
||
(let ((cmd-start (match-beginning 0))
|
||
(type (match-end 1)) ;nil for \end, else \begin.
|
||
(arg-start (1- (match-end 0))))
|
||
(save-excursion
|
||
(goto-char (match-end 0))
|
||
(when (and (looking-at "[^\n{}]*}")
|
||
(> (match-end 0) end))
|
||
(let ((arg-end (match-end 0)))
|
||
(if (null type) ;\end
|
||
(progn (goto-char arg-end)
|
||
(latex-forward-sexp -1)
|
||
(forward-word-strictly 1))
|
||
(goto-char cmd-start)
|
||
(latex-forward-sexp 1)
|
||
(let (forward-sexp-function) (backward-sexp)))
|
||
(when (looking-at
|
||
(regexp-quote (buffer-substring arg-start arg-end)))
|
||
(text-clone-create arg-start arg-end))))))))
|
||
(scan-error nil)
|
||
(error (message "Error in latex-env-before-change: %s" err)))))
|
||
|
||
(defun tex-font-lock-unfontify-region (beg end)
|
||
(font-lock-default-unfontify-region beg end)
|
||
(while (< beg end)
|
||
(let ((next (next-single-property-change beg 'display nil end))
|
||
(prop (get-text-property beg 'display)))
|
||
(if (and (eq (car-safe prop) 'raise)
|
||
(member (car-safe (cdr prop)) tex-font-script-display)
|
||
(null (cddr prop)))
|
||
(put-text-property beg next 'display nil))
|
||
(setq beg next))))
|
||
|
||
(defcustom tex-suscript-height-ratio 0.8
|
||
"Ratio of subscript/superscript height to that of the preceding text.
|
||
In nested subscript/superscript, this factor is applied repeatedly,
|
||
subject to the limit set by `tex-suscript-height-minimum'."
|
||
:type 'float
|
||
:group 'tex
|
||
:version "23.1")
|
||
|
||
(defcustom tex-suscript-height-minimum 0.0
|
||
"Integer or float limiting the minimum size of subscript/superscript text.
|
||
An integer is an absolute height in units of 1/10 point, a float
|
||
is a height relative to that of the default font. Zero means no minimum."
|
||
:type '(choice (integer :tag "Integer height in 1/10 point units")
|
||
(float :tag "Fraction of default font height"))
|
||
:group 'tex
|
||
:version "23.1")
|
||
|
||
(defun tex-suscript-height (height)
|
||
"Return the integer height of subscript/superscript font in 1/10 points.
|
||
Not smaller than the value set by `tex-suscript-height-minimum'."
|
||
(ceiling (max (if (integerp tex-suscript-height-minimum)
|
||
tex-suscript-height-minimum
|
||
;; For bootstrapping.
|
||
(condition-case nil
|
||
(* tex-suscript-height-minimum
|
||
(face-attribute 'default :height))
|
||
(error 0)))
|
||
;; NB assumes height is integer.
|
||
(* height tex-suscript-height-ratio))))
|
||
|
||
(defface superscript
|
||
'((t :height tex-suscript-height)) ;; :raise 0.2
|
||
"Face used for superscripts."
|
||
:group 'tex)
|
||
(defface subscript
|
||
'((t :height tex-suscript-height)) ;; :raise -0.2
|
||
"Face used for subscripts."
|
||
:group 'tex)
|
||
|
||
(defface tex-math
|
||
'((t :inherit font-lock-string-face))
|
||
"Face used to highlight TeX math expressions."
|
||
:group 'tex)
|
||
|
||
(defface tex-verbatim
|
||
'((t :inherit fixed-pitch-serif))
|
||
"Face used to highlight TeX verbatim environments."
|
||
:group 'tex)
|
||
|
||
(defun tex-font-lock-verb (start delim)
|
||
"Place syntax table properties on the \\verb construct.
|
||
START is the position of the \\ and DELIM is the delimiter char."
|
||
;; Do nothing if the \verb construct is itself inside a comment or
|
||
;; verbatim env.
|
||
(unless (nth 8 (save-excursion (syntax-ppss start)))
|
||
;; Let's find the end and mark it.
|
||
(let ((afterdelim (point)))
|
||
(skip-chars-forward (string ?^ delim) (line-end-position))
|
||
(if (eolp)
|
||
;; "LaTeX Error: \verb ended by end of line."
|
||
;; Remove the syntax-table property we've just put on the
|
||
;; start-delimiter, so it doesn't spill over subsequent lines.
|
||
(put-text-property (1- afterdelim) afterdelim
|
||
'syntax-table nil)
|
||
(when (eq (char-syntax (preceding-char)) ?/)
|
||
(put-text-property (1- (point)) (point)
|
||
'syntax-table (string-to-syntax ".")))
|
||
(put-text-property (point) (1+ (point))
|
||
'syntax-table (string-to-syntax "\""))))))
|
||
|
||
;; Use string syntax but math face for $...$.
|
||
(defun tex-font-lock-syntactic-face-function (state)
|
||
(let ((char (nth 3 state)))
|
||
(cond
|
||
((not char)
|
||
(if (eq 2 (nth 7 state)) 'tex-verbatim font-lock-comment-face))
|
||
((eq char ?$) 'tex-math)
|
||
;; A \verb element.
|
||
(t 'tex-verbatim))))
|
||
|
||
|
||
(defun tex-define-common-keys (keymap)
|
||
"Define the keys that we want defined both in TeX mode and in the TeX shell."
|
||
(define-key keymap "\C-c\C-k" 'tex-kill-job)
|
||
(define-key keymap "\C-c\C-l" 'tex-recenter-output-buffer)
|
||
(define-key keymap "\C-c\C-q" 'tex-show-print-queue)
|
||
(define-key keymap "\C-c\C-p" 'tex-print)
|
||
(define-key keymap "\C-c\C-v" 'tex-view)
|
||
|
||
(define-key keymap [menu-bar tex] (cons "TeX" (make-sparse-keymap "TeX")))
|
||
|
||
(define-key keymap [menu-bar tex tex-kill-job]
|
||
'(menu-item "Tex Kill" tex-kill-job :enable (tex-shell-running)))
|
||
(define-key keymap [menu-bar tex tex-recenter-output-buffer]
|
||
'(menu-item "Tex Recenter" tex-recenter-output-buffer
|
||
:enable (get-buffer "*tex-shell*")))
|
||
(define-key keymap [menu-bar tex tex-show-print-queue]
|
||
'("Show Print Queue" . tex-show-print-queue))
|
||
(define-key keymap [menu-bar tex tex-alt-print]
|
||
'(menu-item "Tex Print (alt printer)" tex-alt-print
|
||
:enable (stringp tex-print-file)))
|
||
(define-key keymap [menu-bar tex tex-print]
|
||
'(menu-item "Tex Print" tex-print :enable (stringp tex-print-file)))
|
||
(define-key keymap [menu-bar tex tex-view]
|
||
'(menu-item "Tex View" tex-view :enable (stringp tex-print-file))))
|
||
|
||
(defvar tex-mode-map
|
||
(let ((map (make-sparse-keymap)))
|
||
(set-keymap-parent map text-mode-map)
|
||
(tex-define-common-keys map)
|
||
(define-key map "\"" 'tex-insert-quote)
|
||
(define-key map "\n" 'tex-handle-newline)
|
||
(define-key map "\M-\r" 'latex-insert-item)
|
||
(define-key map "\C-c}" 'up-list)
|
||
(define-key map "\C-c{" 'tex-insert-braces)
|
||
(define-key map "\C-c\C-r" 'tex-region)
|
||
(define-key map "\C-c\C-b" 'tex-buffer)
|
||
(define-key map "\C-c\C-f" 'tex-file)
|
||
(define-key map "\C-c\C-c" 'tex-compile)
|
||
(define-key map "\C-c\C-i" 'tex-bibtex-file)
|
||
(define-key map "\C-c\C-o" 'latex-insert-block)
|
||
|
||
;; Redundant keybindings, for consistency with SGML mode.
|
||
(define-key map "\C-c\C-t" 'latex-insert-block)
|
||
(define-key map "\C-c]" 'latex-close-block)
|
||
(define-key map "\C-c/" 'latex-close-block)
|
||
|
||
(define-key map "\C-c\C-e" 'latex-close-block)
|
||
(define-key map "\C-c\C-u" 'tex-goto-last-unclosed-latex-block)
|
||
(define-key map "\C-c\C-m" 'tex-feed-input)
|
||
(define-key map [(control return)] 'tex-feed-input)
|
||
(define-key map [menu-bar tex tex-bibtex-file]
|
||
'("BibTeX File" . tex-bibtex-file))
|
||
(define-key map [menu-bar tex tex-validate-region]
|
||
'(menu-item "Validate Region" tex-validate-region :enable mark-active))
|
||
(define-key map [menu-bar tex tex-validate-buffer]
|
||
'("Validate Buffer" . tex-validate-buffer))
|
||
(define-key map [menu-bar tex tex-region]
|
||
'(menu-item "TeX Region" tex-region :enable mark-active))
|
||
(define-key map [menu-bar tex tex-buffer]
|
||
'("TeX Buffer" . tex-buffer))
|
||
(define-key map [menu-bar tex tex-file] '("TeX File" . tex-file))
|
||
map)
|
||
"Keymap shared by TeX modes.")
|
||
|
||
(defvar latex-mode-map
|
||
(let ((map (make-sparse-keymap)))
|
||
(set-keymap-parent map tex-mode-map)
|
||
(define-key map "\C-c\C-s" 'latex-split-block)
|
||
map)
|
||
"Keymap for `latex-mode'. See also `tex-mode-map'.")
|
||
|
||
(defvar plain-tex-mode-map
|
||
(let ((map (make-sparse-keymap)))
|
||
(set-keymap-parent map tex-mode-map)
|
||
map)
|
||
"Keymap for `plain-tex-mode'. See also `tex-mode-map'.")
|
||
|
||
(defvar tex-shell-map
|
||
(let ((m (make-sparse-keymap)))
|
||
(set-keymap-parent m shell-mode-map)
|
||
(tex-define-common-keys m)
|
||
m)
|
||
"Keymap for the TeX shell.
|
||
Inherits `shell-mode-map' with a few additions.")
|
||
|
||
(defvar tex-face-alist
|
||
'((bold . "{\\bf ")
|
||
(italic . "{\\it ")
|
||
(bold-italic . "{\\bi ") ; hypothetical
|
||
(underline . "\\underline{")
|
||
(default . "{\\rm "))
|
||
"Alist of face and TeX font name for facemenu.")
|
||
|
||
(defvar tex-latex-face-alist
|
||
`((italic . "{\\em ")
|
||
,@tex-face-alist)
|
||
"Alist of face and LaTeX font name for facemenu.")
|
||
|
||
(defun tex-facemenu-add-face-function (face _end)
|
||
(or (cdr (assq face tex-face-alist))
|
||
(or (and (consp face)
|
||
(consp (car face))
|
||
(null (cdr face))
|
||
(eq major-mode 'latex-mode)
|
||
;; This actually requires the `color' LaTeX package.
|
||
(cond ((eq (caar face) :foreground)
|
||
(format "{\\color{%s} " (cadr (car face))))
|
||
((eq (caar face) :background)
|
||
(format "\\colorbox{%s}{" (cadr (car face))))))
|
||
(error "Face %s not configured for %s mode" face mode-name))))
|
||
|
||
;; This would be a lot simpler if we just used a regexp search,
|
||
;; but then it would be too slow.
|
||
(defun tex-guess-mode ()
|
||
(let ((mode tex-default-mode) slash comment)
|
||
(save-excursion
|
||
(goto-char (point-min))
|
||
(while (and (setq slash (search-forward "\\" nil t))
|
||
(setq comment (let ((search-end (point)))
|
||
(save-excursion
|
||
(beginning-of-line)
|
||
(search-forward "%" search-end t))))))
|
||
(when (and slash (not comment))
|
||
(setq mode
|
||
(if (looking-at
|
||
(eval-when-compile
|
||
(concat
|
||
(regexp-opt '("documentstyle" "documentclass"
|
||
"begin" "subsection" "section"
|
||
"part" "chapter" "newcommand"
|
||
"renewcommand" "RequirePackage") 'words)
|
||
"\\|NeedsTeXFormat{LaTeX")))
|
||
(if (and (looking-at
|
||
"document\\(style\\|class\\)\\(\\[.*\\]\\)?{slides}")
|
||
;; SliTeX is almost never used any more nowadays.
|
||
(tex-executable-exists-p slitex-run-command))
|
||
'slitex-mode
|
||
'latex-mode)
|
||
'plain-tex-mode))))
|
||
(funcall mode)))
|
||
|
||
;; `tex-mode' plays two roles: it's the parent of several sub-modes
|
||
;; but it's also the function that chooses between those submodes.
|
||
;; To tell the difference between those two cases where the function
|
||
;; might be called, we check `delay-mode-hooks'.
|
||
(define-derived-mode tex-mode text-mode "generic-TeX"
|
||
(tex-common-initialization))
|
||
;; We now move the function and define it again. This gives a warning
|
||
;; in the byte-compiler :-( but it's difficult to avoid because
|
||
;; `define-derived-mode' will necessarily define the function once
|
||
;; and we need to define it a second time for `autoload' to get the
|
||
;; proper docstring.
|
||
(defalias 'tex-mode-internal (symbol-function 'tex-mode))
|
||
|
||
;; Suppress the byte-compiler warning about multiple definitions.
|
||
;; This is a) ugly, and b) cheating, but this was the last
|
||
;; remaining warning from byte-compiling all of Emacs...
|
||
(eval-when-compile
|
||
(if (boundp 'byte-compile-function-environment)
|
||
(setq byte-compile-function-environment
|
||
(delq (assq 'tex-mode byte-compile-function-environment)
|
||
byte-compile-function-environment))))
|
||
|
||
;;;###autoload
|
||
(defun tex-mode ()
|
||
"Major mode for editing files of input for TeX, LaTeX, or SliTeX.
|
||
Tries to determine (by looking at the beginning of the file) whether
|
||
this file is for plain TeX, LaTeX, or SliTeX and calls `plain-tex-mode',
|
||
`latex-mode', or `slitex-mode', respectively. If it cannot be determined,
|
||
such as if there are no commands in the file, the value of `tex-default-mode'
|
||
says which mode to use."
|
||
(interactive)
|
||
(if delay-mode-hooks
|
||
;; We're called from one of the children already.
|
||
(tex-mode-internal)
|
||
(tex-guess-mode)))
|
||
|
||
;; The following three autoloaded aliases appear to conflict with
|
||
;; AUCTeX. However, even though AUCTeX uses the mixed case variants
|
||
;; for all mode relevant variables and hooks, the invocation function
|
||
;; and setting of `major-mode' themselves need to be lowercase for
|
||
;; AUCTeX to provide a fully functional user-level replacement. So
|
||
;; these aliases should remain as they are, in particular since AUCTeX
|
||
;; users are likely to use them.
|
||
|
||
;;;###autoload
|
||
(defalias 'TeX-mode 'tex-mode)
|
||
;;;###autoload
|
||
(defalias 'plain-TeX-mode 'plain-tex-mode)
|
||
;;;###autoload
|
||
(defalias 'LaTeX-mode 'latex-mode)
|
||
|
||
;;;###autoload
|
||
(define-derived-mode plain-tex-mode tex-mode "TeX"
|
||
"Major mode for editing files of input for plain TeX.
|
||
Makes $ and } display the characters they match.
|
||
Makes \" insert \\=`\\=` when it seems to be the beginning of a quotation,
|
||
and \\='\\=' when it appears to be the end; it inserts \" only after a \\.
|
||
|
||
Use \\[tex-region] to run TeX on the current region, plus a \"header\"
|
||
copied from the top of the file (containing macro definitions, etc.),
|
||
running TeX under a special subshell. \\[tex-buffer] does the whole buffer.
|
||
\\[tex-file] saves the buffer and then processes the file.
|
||
\\[tex-print] prints the .dvi file made by any of these.
|
||
\\[tex-view] previews the .dvi file made by any of these.
|
||
\\[tex-bibtex-file] runs bibtex on the file of the current buffer.
|
||
|
||
Use \\[tex-validate-buffer] to check buffer for paragraphs containing
|
||
mismatched $'s or braces.
|
||
|
||
Special commands:
|
||
\\{plain-tex-mode-map}
|
||
|
||
Mode variables:
|
||
tex-run-command
|
||
Command string used by \\[tex-region] or \\[tex-buffer].
|
||
tex-directory
|
||
Directory in which to create temporary files for TeX jobs
|
||
run by \\[tex-region] or \\[tex-buffer].
|
||
tex-dvi-print-command
|
||
Command string used by \\[tex-print] to print a .dvi file.
|
||
tex-alt-dvi-print-command
|
||
Alternative command string used by \\[tex-print] (when given a prefix
|
||
argument) to print a .dvi file.
|
||
tex-dvi-view-command
|
||
Command string used by \\[tex-view] to preview a .dvi file.
|
||
tex-show-queue-command
|
||
Command string used by \\[tex-show-print-queue] to show the print
|
||
queue that \\[tex-print] put your job on.
|
||
|
||
Entering Plain-tex mode runs the hook `text-mode-hook', then the hook
|
||
`tex-mode-hook', and finally the hook `plain-tex-mode-hook'. When the
|
||
special subshell is initiated, the hook `tex-shell-hook' is run."
|
||
(setq-local tex-command tex-run-command)
|
||
(setq-local tex-start-of-header "%\\*\\*start of header")
|
||
(setq-local tex-end-of-header "%\\*\\*end of header")
|
||
(setq-local tex-trailer "\\bye\n"))
|
||
|
||
;;;###autoload
|
||
(define-derived-mode latex-mode tex-mode "LaTeX"
|
||
"Major mode for editing files of input for LaTeX.
|
||
Makes $ and } display the characters they match.
|
||
Makes \" insert \\=`\\=` when it seems to be the beginning of a quotation,
|
||
and \\='\\=' when it appears to be the end; it inserts \" only after a \\.
|
||
|
||
Use \\[tex-region] to run LaTeX on the current region, plus the preamble
|
||
copied from the top of the file (containing \\documentstyle, etc.),
|
||
running LaTeX under a special subshell. \\[tex-buffer] does the whole buffer.
|
||
\\[tex-file] saves the buffer and then processes the file.
|
||
\\[tex-print] prints the .dvi file made by any of these.
|
||
\\[tex-view] previews the .dvi file made by any of these.
|
||
\\[tex-bibtex-file] runs bibtex on the file of the current buffer.
|
||
|
||
Use \\[tex-validate-buffer] to check buffer for paragraphs containing
|
||
mismatched $'s or braces.
|
||
|
||
Special commands:
|
||
\\{latex-mode-map}
|
||
|
||
Mode variables:
|
||
latex-run-command
|
||
Command string used by \\[tex-region] or \\[tex-buffer].
|
||
tex-directory
|
||
Directory in which to create temporary files for LaTeX jobs
|
||
run by \\[tex-region] or \\[tex-buffer].
|
||
tex-dvi-print-command
|
||
Command string used by \\[tex-print] to print a .dvi file.
|
||
tex-alt-dvi-print-command
|
||
Alternative command string used by \\[tex-print] (when given a prefix
|
||
argument) to print a .dvi file.
|
||
tex-dvi-view-command
|
||
Command string used by \\[tex-view] to preview a .dvi file.
|
||
tex-show-queue-command
|
||
Command string used by \\[tex-show-print-queue] to show the print
|
||
queue that \\[tex-print] put your job on.
|
||
|
||
Entering Latex mode runs the hook `text-mode-hook', then
|
||
`tex-mode-hook', and finally `latex-mode-hook'. When the special
|
||
subshell is initiated, `tex-shell-hook' is run."
|
||
(setq-local tex-command latex-run-command)
|
||
(setq-local tex-start-of-header "\\\\document\\(style\\|class\\)")
|
||
(setq-local tex-end-of-header "\\\\begin\\s-*{document}")
|
||
(setq-local tex-trailer "\\end{document}\n")
|
||
;; A line containing just $$ is treated as a paragraph separator.
|
||
;; A line starting with $$ starts a paragraph,
|
||
;; but does not separate paragraphs if it has more stuff on it.
|
||
;; For \pagebreak allow latex optional arg like \pagebreak[2]
|
||
(setq paragraph-start
|
||
(concat "[ \t]*\\(\\$\\$\\|"
|
||
"\\\\[][]\\|"
|
||
"\\\\" (regexp-opt (append
|
||
(mapcar #'car latex-section-alist)
|
||
'("begin" "label" "end"
|
||
"item" "bibitem" "newline" "noindent"
|
||
"newpage" "footnote" "marginpar"
|
||
"parbox" "caption"))
|
||
t)
|
||
"\\>\\|\\\\[a-z]*" (regexp-opt '("space" "skip" "page") t)
|
||
"\\>\\)"))
|
||
(setq paragraph-separate
|
||
(concat "\\([ \t]*%\\)\\|[\f]\\|[ \t]*\\($\\|"
|
||
"\\\\[][]\\|"
|
||
"\\\\" (regexp-opt (append
|
||
(mapcar #'car latex-section-alist)
|
||
'("begin" "label" "end" ))
|
||
t)
|
||
"\\>\\|\\\\\\(" (regexp-opt '("item" "bibitem" "newline"
|
||
"noindent" "newpage" "footnote"
|
||
"marginpar" "parbox" "caption"))
|
||
"\\|\\$\\$\\|[a-z]*\\(space\\|skip\\|page[a-z]*\\)"
|
||
"\\>\\)[][0-9 \t]*\\($\\|%\\)\\)"))
|
||
(setq-local imenu-create-index-function #'latex-imenu-create-index)
|
||
(setq-local tex-face-alist tex-latex-face-alist)
|
||
(add-hook 'fill-nobreak-predicate #'latex-fill-nobreak-predicate nil t)
|
||
(setq-local indent-line-function #'latex-indent)
|
||
(setq-local fill-indent-according-to-mode t)
|
||
(add-hook 'completion-at-point-functions
|
||
#'latex-complete-data nil 'local)
|
||
(add-hook 'flymake-diagnostic-functions #'tex-chktex nil t)
|
||
(setq-local outline-regexp latex-outline-regexp)
|
||
(setq-local outline-level #'latex-outline-level)
|
||
(setq-local forward-sexp-function #'latex-forward-sexp)
|
||
(setq-local skeleton-end-hook nil))
|
||
|
||
;;;###autoload
|
||
(define-derived-mode slitex-mode latex-mode "SliTeX"
|
||
"Major mode for editing files of input for SliTeX.
|
||
Makes $ and } display the characters they match.
|
||
Makes \" insert \\=`\\=` when it seems to be the beginning of a quotation,
|
||
and \\='\\=' when it appears to be the end; it inserts \" only after a \\.
|
||
|
||
Use \\[tex-region] to run SliTeX on the current region, plus the preamble
|
||
copied from the top of the file (containing \\documentstyle, etc.),
|
||
running SliTeX under a special subshell. \\[tex-buffer] does the whole buffer.
|
||
\\[tex-file] saves the buffer and then processes the file.
|
||
\\[tex-print] prints the .dvi file made by any of these.
|
||
\\[tex-view] previews the .dvi file made by any of these.
|
||
\\[tex-bibtex-file] runs bibtex on the file of the current buffer.
|
||
|
||
Use \\[tex-validate-buffer] to check buffer for paragraphs containing
|
||
mismatched $'s or braces.
|
||
|
||
Special commands:
|
||
\\{slitex-mode-map}
|
||
|
||
Mode variables:
|
||
slitex-run-command
|
||
Command string used by \\[tex-region] or \\[tex-buffer].
|
||
tex-directory
|
||
Directory in which to create temporary files for SliTeX jobs
|
||
run by \\[tex-region] or \\[tex-buffer].
|
||
tex-dvi-print-command
|
||
Command string used by \\[tex-print] to print a .dvi file.
|
||
tex-alt-dvi-print-command
|
||
Alternative command string used by \\[tex-print] (when given a prefix
|
||
argument) to print a .dvi file.
|
||
tex-dvi-view-command
|
||
Command string used by \\[tex-view] to preview a .dvi file.
|
||
tex-show-queue-command
|
||
Command string used by \\[tex-show-print-queue] to show the print
|
||
queue that \\[tex-print] put your job on.
|
||
|
||
Entering SliTeX mode runs the hook `text-mode-hook', then the hook
|
||
`tex-mode-hook', then the hook `latex-mode-hook', and finally the hook
|
||
`slitex-mode-hook'. When the special subshell is initiated, the hook
|
||
`tex-shell-hook' is run."
|
||
(setq tex-command slitex-run-command)
|
||
(setq tex-start-of-header "\\\\documentstyle{slides}\\|\\\\documentclass{slides}"))
|
||
|
||
(defvar tildify-space-string)
|
||
(defvar tildify-foreach-region-function)
|
||
(declare-function tildify-foreach-ignore-environments
|
||
"tildify" (pairs callback _beg end))
|
||
(defvar tex--prettify-symbols-alist)
|
||
|
||
(defun tex-common-initialization ()
|
||
;; Regexp isearch should accept newline and formfeed as whitespace.
|
||
(setq-local search-whitespace-regexp "[ \t\r\n\f]+")
|
||
;; Use tilde as hard-space character in tildify package.
|
||
(setq-local tildify-space-string "~")
|
||
;; FIXME: Use the fact that we're parsing the document already
|
||
;; rather than using regex-based filtering.
|
||
(setq-local tildify-foreach-region-function
|
||
(apply-partially
|
||
#'tildify-foreach-ignore-environments
|
||
`(("\\\\\\\\" . "") ; do not remove this
|
||
(,(eval-when-compile
|
||
(concat "\\\\begin{\\("
|
||
(regexp-opt '("verbatim" "math" "displaymath"
|
||
"equation" "eqnarray" "eqnarray*"))
|
||
"\\)}"))
|
||
. ("\\\\end{" 1 "}"))
|
||
("\\\\verb\\*?\\(.\\)" . (1))
|
||
("\\$\\$?" . (0))
|
||
("\\\\(" . "\\\\)")
|
||
("\\\\[[]" . "\\\\[]]")
|
||
("\\\\[a-zA-Z]+\\( +\\|{}\\)[a-zA-Z]*" . "")
|
||
("%" . "$"))))
|
||
;; A line containing just $$ is treated as a paragraph separator.
|
||
(setq-local paragraph-start "[ \t]*$\\|[\f\\\\%]\\|[ \t]*\\$\\$")
|
||
;; A line starting with $$ starts a paragraph,
|
||
;; but does not separate paragraphs if it has more stuff on it.
|
||
(setq-local paragraph-separate "[ \t]*$\\|[\f\\\\%]\\|[ \t]*\\$\\$[ \t]*$")
|
||
(setq-local add-log-current-defun-function #'tex-current-defun-name)
|
||
(setq-local comment-start "%")
|
||
(setq-local comment-add 1)
|
||
(setq-local comment-start-skip
|
||
"\\(\\(^\\|[^\\\n]\\)\\(\\\\\\\\\\)*\\)\\(%+ *\\)")
|
||
(setq-local parse-sexp-ignore-comments t)
|
||
(setq-local compare-windows-whitespace #'tex-categorize-whitespace)
|
||
(setq-local facemenu-add-face-function #'tex-facemenu-add-face-function)
|
||
(setq-local facemenu-end-add-face "}")
|
||
(setq-local facemenu-remove-face-function t)
|
||
(setq-local font-lock-defaults
|
||
'((tex-font-lock-keywords tex-font-lock-keywords-1
|
||
tex-font-lock-keywords-2 tex-font-lock-keywords-3)
|
||
nil nil nil nil
|
||
;; Who ever uses that anyway ???
|
||
(font-lock-mark-block-function . mark-paragraph)
|
||
(font-lock-syntactic-face-function
|
||
. tex-font-lock-syntactic-face-function)
|
||
(font-lock-unfontify-region-function
|
||
. tex-font-lock-unfontify-region)))
|
||
(setq-local prettify-symbols-alist tex--prettify-symbols-alist)
|
||
(add-function :override (local 'prettify-symbols-compose-predicate)
|
||
#'tex--prettify-symbols-compose-p)
|
||
(setq-local syntax-propertize-function
|
||
(syntax-propertize-rules latex-syntax-propertize-rules))
|
||
;; TABs in verbatim environments don't do what you think.
|
||
(setq-local indent-tabs-mode nil)
|
||
;; Other vars that should be buffer-local.
|
||
(make-local-variable 'tex-command)
|
||
(make-local-variable 'tex-start-of-header)
|
||
(make-local-variable 'tex-end-of-header)
|
||
(make-local-variable 'tex-trailer))
|
||
|
||
(defun tex-categorize-whitespace (backward-limit)
|
||
;; compare-windows-whitespace is set to this.
|
||
;; This is basically a finite-state machine.
|
||
;; Returns a symbol telling how TeX would treat
|
||
;; the whitespace we are looking at: null, space, or par.
|
||
(let ((category 'null)
|
||
(not-finished t))
|
||
(skip-chars-backward " \t\n\f" backward-limit)
|
||
(while not-finished
|
||
(cond ((looking-at "[ \t]+")
|
||
(goto-char (match-end 0))
|
||
(if (eq category 'null)
|
||
(setq category 'space)))
|
||
((looking-at "\n")
|
||
(cond ((eq category 'newline)
|
||
(setq category 'par)
|
||
(setq not-finished nil))
|
||
(t
|
||
(setq category 'newline) ;a strictly internal state
|
||
(goto-char (match-end 0)))))
|
||
((looking-at "\f+")
|
||
(setq category 'par)
|
||
(setq not-finished nil))
|
||
(t
|
||
(setq not-finished nil))))
|
||
(skip-chars-forward " \t\n\f")
|
||
(if (eq category 'newline)
|
||
'space ;TeX doesn't distinguish
|
||
category)))
|
||
|
||
(defun tex-insert-quote (arg)
|
||
"Insert the appropriate quote marks for TeX.
|
||
Inserts the value of `tex-open-quote' (normally \\=`\\=`) or `tex-close-quote'
|
||
\(normally \\='\\=') depending on the context. With prefix argument, always
|
||
inserts \" characters."
|
||
(interactive "*P")
|
||
;; Discover if we'll be inserting normal double quotes.
|
||
;;
|
||
(if (or arg (memq (char-syntax (preceding-char)) '(?/ ?\\))
|
||
(eq (get-text-property (point) 'face) 'tex-verbatim)
|
||
(nth 4 (syntax-ppss)) ; non-nil if point is in a TeX comment
|
||
;; Discover if a preceding occurrence of `tex-open-quote'
|
||
;; should be morphed to a normal double quote.
|
||
;;
|
||
(and (>= (point) (+ (point-min) (length tex-open-quote)))
|
||
(save-excursion
|
||
(backward-char (length tex-open-quote))
|
||
(when (or (looking-at (regexp-quote tex-open-quote))
|
||
(looking-at (regexp-quote tex-close-quote)))
|
||
(delete-char (length tex-open-quote))
|
||
(when (looking-at (regexp-quote tex-close-quote))
|
||
(delete-char (length tex-close-quote)))
|
||
t))))
|
||
;; Insert the normal quote (eventually letting
|
||
;; `electric-pair-mode' do its thing).
|
||
;;
|
||
(self-insert-command (prefix-numeric-value arg))
|
||
;; We'll be inserting fancy TeX quotes, but consider and imitate
|
||
;; `electric-pair-mode''s two behaviors: pair-insertion and
|
||
;; region wrapping.
|
||
;;
|
||
(if (and electric-pair-mode (use-region-p))
|
||
(let* ((saved (point-marker)))
|
||
(goto-char (mark))
|
||
(insert (if (> saved (mark)) tex-open-quote tex-close-quote))
|
||
(goto-char saved)
|
||
(insert (if (> saved (mark)) tex-close-quote tex-open-quote)))
|
||
(if (or (memq (char-syntax (preceding-char)) '(?\( ?> ?\s))
|
||
(memq (preceding-char) '(?~ ?')))
|
||
;; We're in an "opening" context
|
||
;;
|
||
(if electric-pair-mode
|
||
(if (looking-at (regexp-quote tex-close-quote))
|
||
(forward-char (length tex-close-quote))
|
||
(insert tex-open-quote)
|
||
(insert tex-close-quote)
|
||
(backward-char (length tex-close-quote)))
|
||
(insert tex-open-quote))
|
||
;; We're in a "closing" context.
|
||
;;
|
||
(if (looking-at (regexp-quote tex-close-quote))
|
||
(forward-char (length tex-close-quote))
|
||
(insert tex-close-quote))))))
|
||
|
||
(defun tex-validate-buffer ()
|
||
"Check current buffer for paragraphs containing mismatched braces or $s.
|
||
Their positions are recorded in the buffer `*Occur*'.
|
||
To find a particular invalidity from `*Occur*', switch to that buffer
|
||
and type C-c C-c or click with mouse-2
|
||
on the line for the invalidity you want to see."
|
||
(interactive)
|
||
(let ((buffer (current-buffer))
|
||
(prevpos (point-min))
|
||
(linenum nil)
|
||
(num-matches 0))
|
||
(with-output-to-temp-buffer "*Occur*"
|
||
(princ "Mismatches:\n")
|
||
(with-current-buffer standard-output
|
||
(occur-mode)
|
||
;; This won't actually work...Really, this whole thing should
|
||
;; be rewritten instead of being a hack on top of occur.
|
||
(setq occur-revert-arguments (list nil 0 (list buffer))))
|
||
(save-excursion
|
||
(goto-char (point-max))
|
||
;; Do a little shimmy to place point at the end of the last
|
||
;; "real" paragraph. Need to avoid validating across an \end,
|
||
;; because that blows up latex-forward-sexp.
|
||
(backward-paragraph)
|
||
(forward-paragraph)
|
||
(while (not (bobp))
|
||
;; Scan the previous paragraph for invalidities.
|
||
(backward-paragraph)
|
||
(save-excursion
|
||
(or (tex-validate-region (point) (save-excursion
|
||
(forward-paragraph)
|
||
(point)))
|
||
(let ((end (line-beginning-position 2))
|
||
start tem)
|
||
(beginning-of-line)
|
||
(setq start (point))
|
||
;; Keep track of line number as we scan,
|
||
;; in a cumulative fashion.
|
||
(if linenum
|
||
(setq linenum (- linenum
|
||
(count-lines prevpos (point))))
|
||
(setq linenum (1+ (count-lines 1 start))))
|
||
(setq prevpos (point))
|
||
;; Mention this mismatch in *Occur*.
|
||
;; Since we scan from end of buffer to beginning,
|
||
;; add each mismatch at the beginning of *Occur*.
|
||
(save-excursion
|
||
(setq tem (point-marker))
|
||
(set-buffer standard-output)
|
||
(goto-char (point-min))
|
||
;; Skip "Mismatches:" header line.
|
||
(forward-line 1)
|
||
(setq num-matches (1+ num-matches))
|
||
(insert-buffer-substring buffer start end)
|
||
(let (text-beg (text-end (point-marker)))
|
||
(forward-char (- start end))
|
||
(setq text-beg (point-marker))
|
||
(insert (format "%3d: " linenum))
|
||
(add-text-properties
|
||
text-beg (- text-end 1)
|
||
'(mouse-face highlight
|
||
help-echo
|
||
"mouse-2: go to this invalidity"))
|
||
(put-text-property text-beg (- text-end 1)
|
||
'occur-target tem))))))))
|
||
(with-current-buffer standard-output
|
||
(let ((no-matches (zerop num-matches)))
|
||
(if no-matches
|
||
(insert "None!\n"))
|
||
(if (called-interactively-p 'interactive)
|
||
(message (cond (no-matches "No mismatches found")
|
||
((= num-matches 1) "1 mismatch found")
|
||
(t "%d mismatches found"))
|
||
num-matches)))))))
|
||
|
||
(defun tex-validate-region (start end)
|
||
"Check for mismatched braces or $'s in region.
|
||
Returns t if no mismatches. Returns nil and moves point to suspect
|
||
area if a mismatch is found."
|
||
(interactive "r")
|
||
(let ((failure-point nil) (max-possible-sexps (- end start)))
|
||
(save-excursion
|
||
(condition-case ()
|
||
(save-restriction
|
||
(narrow-to-region start end)
|
||
;; First check that the open and close parens balance in numbers.
|
||
(goto-char start)
|
||
(while (and (not (eobp))
|
||
(<= 0 (setq max-possible-sexps
|
||
(1- max-possible-sexps))))
|
||
(forward-sexp 1))
|
||
;; Now check that like matches like.
|
||
(goto-char start)
|
||
(while (re-search-forward "\\s(" nil t)
|
||
(save-excursion
|
||
(let ((pos (match-beginning 0)))
|
||
(goto-char pos)
|
||
(skip-chars-backward "\\\\") ; escaped parens
|
||
(forward-sexp 1)
|
||
(or (eq (preceding-char) (cdr (syntax-after pos)))
|
||
(eq (char-after pos) (cdr (syntax-after (1- (point)))))
|
||
(error "Mismatched parentheses"))))))
|
||
(error
|
||
(skip-syntax-forward " .>")
|
||
(setq failure-point (point)))))
|
||
(if failure-point (goto-char failure-point))
|
||
(not failure-point)))
|
||
|
||
(defun tex-handle-newline (inhibit-validation)
|
||
"Break a TeX paragraph with two newlines, or continue a comment.
|
||
If not in a comment, insert two newlines, breaking a paragraph for TeX,
|
||
and check for mismatched braces or $s in the paragraph being terminated
|
||
unless prefix arg INHIBIT-VALIDATION is non-nil to inhibit the checking.
|
||
Otherwise (in a comment), just insert a single continued comment line."
|
||
(interactive "*P")
|
||
(if (nth 4 (syntax-ppss)) ; non-nil if point is in a TeX comment
|
||
(comment-indent-new-line)
|
||
(tex-terminate-paragraph inhibit-validation)))
|
||
|
||
(defun tex-terminate-paragraph (inhibit-validation)
|
||
"Insert two newlines, breaking a paragraph for TeX.
|
||
Check for mismatched braces or $s in paragraph being terminated.
|
||
A prefix arg inhibits the checking."
|
||
(interactive "*P")
|
||
(or inhibit-validation
|
||
(save-excursion
|
||
;; For the purposes of this, a "paragraph" is a block of text
|
||
;; wherein all the brackets etc are expected to be balanced. It
|
||
;; may start after a blank line (ie a "proper" paragraph), or
|
||
;; a begin{} or end{} block, etc.
|
||
(tex-validate-region
|
||
(save-excursion
|
||
(backward-paragraph)
|
||
(point))
|
||
(point)))
|
||
(message "Paragraph being closed appears to contain a mismatch"))
|
||
(insert "\n\n"))
|
||
|
||
(define-skeleton tex-insert-braces
|
||
"Make a pair of braces and be poised to type inside of them."
|
||
nil
|
||
?\{ _ ?})
|
||
|
||
;; This function is used as the value of fill-nobreak-predicate
|
||
;; in LaTeX mode. Its job is to prevent line-breaking inside
|
||
;; of a \verb construct.
|
||
(defun latex-fill-nobreak-predicate ()
|
||
(save-excursion
|
||
(skip-chars-backward " ")
|
||
;; Don't break after \ since `\ ' has special meaning.
|
||
(or (and (not (bobp)) (memq (char-syntax (char-before)) '(?\\ ?/)))
|
||
(let ((opoint (point))
|
||
inside)
|
||
(beginning-of-line)
|
||
(while (re-search-forward "\\\\verb\\(.\\)" opoint t)
|
||
(unless (re-search-forward (regexp-quote (match-string 1)) opoint t)
|
||
(setq inside t)))
|
||
inside))))
|
||
|
||
(defvar latex-block-default "enumerate")
|
||
|
||
(defvar latex-block-args-alist
|
||
'(("array" nil ?\{ (skeleton-read "Format: ") ?\})
|
||
("tabular" nil ?\{ (skeleton-read "Format: ") ?\})
|
||
("minipage" nil ?\{ (skeleton-read "Size: ") ?\})
|
||
("picture" nil ?\( (skeleton-read "SizeX,SizeY: ") ?\))
|
||
;; FIXME: This is right for Prosper, but not for seminar.
|
||
;; ("slide" nil ?\{ (skeleton-read "Title: ") ?\})
|
||
)
|
||
"Skeleton element to use for arguments to particular environments.
|
||
Every element of the list has the form (NAME . SKEL-ELEM) where NAME is
|
||
the name of the environment and SKEL-ELEM is an element to use in
|
||
a skeleton (see `skeleton-insert').")
|
||
|
||
(defvar latex-block-body-alist
|
||
'(("enumerate" nil '(latex-insert-item) > _)
|
||
("itemize" nil '(latex-insert-item) > _)
|
||
("table" nil "\\caption{" > (skeleton-read "Caption: ") "}" > \n
|
||
'(if (and (boundp 'reftex-mode) reftex-mode) (reftex-label "table"))
|
||
\n _)
|
||
("figure" nil > _ \n "\\caption{" > (skeleton-read "Caption: ") "}" > \n
|
||
'(if (and (boundp 'reftex-mode) reftex-mode) (reftex-label "table"))))
|
||
"Skeleton element to use for the body of particular environments.
|
||
Every element of the list has the form (NAME . SKEL-ELEM) where NAME is
|
||
the name of the environment and SKEL-ELEM is an element to use in
|
||
a skeleton (see `skeleton-insert').")
|
||
|
||
;; Like tex-insert-braces, but for LaTeX.
|
||
(defalias 'tex-latex-block 'latex-insert-block)
|
||
(define-skeleton latex-insert-block
|
||
"Create a matching pair of lines \\begin{NAME} and \\end{NAME} at point.
|
||
Puts point on a blank line between them."
|
||
(let ((choice (completing-read (format "LaTeX block name [%s]: "
|
||
latex-block-default)
|
||
(latex-complete-envnames)
|
||
nil nil nil nil latex-block-default)))
|
||
(setq latex-block-default choice)
|
||
(unless (or (member choice latex-standard-block-names)
|
||
(member choice latex-block-names))
|
||
;; Remember new block names for later completion.
|
||
(push choice latex-block-names))
|
||
choice)
|
||
\n "\\begin{" str "}"
|
||
(cdr (assoc str latex-block-args-alist))
|
||
> \n (or (cdr (assoc str latex-block-body-alist)) '(nil > _))
|
||
(unless (bolp) '\n)
|
||
"\\end{" str "}" > \n)
|
||
|
||
(define-skeleton latex-insert-item
|
||
"Insert an \\item macro."
|
||
nil
|
||
\n "\\item " >)
|
||
|
||
|
||
;;;; LaTeX completion.
|
||
|
||
(defvar latex-complete-bibtex-cache nil)
|
||
|
||
(define-obsolete-function-alias 'latex-string-prefix-p
|
||
#'string-prefix-p "24.3")
|
||
|
||
(defvar bibtex-reference-key)
|
||
(declare-function reftex-get-bibfile-list "reftex-cite.el" ())
|
||
|
||
(defun latex-complete-bibtex-keys ()
|
||
(when (bound-and-true-p reftex-mode)
|
||
(lambda (key pred action)
|
||
(let ((re (concat "^[ \t]*@\\([a-zA-Z]+\\)[ \t\n]*\\([{(][ \t\n]*\\)"
|
||
(regexp-quote key)))
|
||
(files (reftex-get-bibfile-list))
|
||
keys)
|
||
(if (and (eq (car latex-complete-bibtex-cache)
|
||
(reftex-get-bibfile-list))
|
||
(string-prefix-p (nth 1 latex-complete-bibtex-cache)
|
||
key))
|
||
;; Use the cache.
|
||
(setq keys (nth 2 latex-complete-bibtex-cache))
|
||
(dolist (file files)
|
||
(with-current-buffer (find-file-noselect file)
|
||
(goto-char (point-min))
|
||
(while (re-search-forward re nil t)
|
||
(goto-char (match-end 2))
|
||
(when (and (not (member-ignore-case (match-string 1)
|
||
'("c" "comment" "string")))
|
||
(looking-at bibtex-reference-key))
|
||
(push (match-string-no-properties 0) keys)))))
|
||
;; Fill the cache.
|
||
(setq-local latex-complete-bibtex-cache (list files key keys)))
|
||
(complete-with-action action keys key pred)))))
|
||
|
||
(defun latex-complete-envnames ()
|
||
(completion-table-in-turn
|
||
(append latex-block-names latex-standard-block-names)
|
||
(completion-table-dynamic
|
||
(lambda (str)
|
||
(with-current-buffer (if (and (minibufferp) (minibuffer-selected-window))
|
||
(window-buffer (minibuffer-selected-window))
|
||
(current-buffer))
|
||
(save-excursion
|
||
(let ((comps '())
|
||
(pos (point)))
|
||
(goto-char (point-min))
|
||
(while (re-search-forward (concat "\\\\begin{\\(" str "[^}\n ]*\\)")
|
||
nil t)
|
||
(unless (and (<= (match-beginning 0) pos)
|
||
(>= (match-end 0) pos))
|
||
(push (match-string 1) comps)))
|
||
comps)))))))
|
||
|
||
(defun latex-complete-refkeys ()
|
||
(when (boundp 'reftex-docstruct-symbol)
|
||
(symbol-value reftex-docstruct-symbol)))
|
||
|
||
(defvar latex-complete-alist
|
||
`(("\\`\\\\\\(short\\)?cite\\'" . ,#'latex-complete-bibtex-keys)
|
||
("\\`\\\\\\(begin\\|end\\)\\'" . ,#'latex-complete-envnames)
|
||
("\\`\\\\[vf]?ref\\'" . ,#'latex-complete-refkeys)))
|
||
|
||
(defun latex-complete-data ()
|
||
"Get completion-data at point."
|
||
(save-excursion
|
||
(let ((pt (point)))
|
||
(skip-chars-backward "^ {}\n\t\\\\")
|
||
(pcase (char-before)
|
||
((or 'nil ?\s ?\n ?\t ?\}) nil)
|
||
(?\\
|
||
;; TODO: Complete commands.
|
||
nil)
|
||
(?\{
|
||
;; Complete args to commands.
|
||
(let* ((cmd
|
||
(save-excursion
|
||
(forward-char -1)
|
||
(skip-chars-backward " \n")
|
||
(buffer-substring (point)
|
||
(progn
|
||
(skip-chars-backward "a-zA-Z@*")
|
||
(let ((n (skip-chars-backward "\\\\")))
|
||
(forward-char (* 2 (/ n 2))))
|
||
(point)))))
|
||
(start (point))
|
||
(_ (progn (goto-char pt) (skip-chars-backward "^," start)))
|
||
(comp-beg (point))
|
||
(_ (progn (goto-char pt) (skip-chars-forward "^, {}\n\t\\\\")))
|
||
(comp-end (point))
|
||
(table
|
||
(funcall
|
||
(let ((f (lambda () t)))
|
||
(dolist (comp latex-complete-alist)
|
||
(if (string-match (car comp) cmd)
|
||
(setq f (cdr comp))))
|
||
f))))
|
||
(if (eq table t)
|
||
;; Unknown command.
|
||
nil
|
||
(list comp-beg comp-end table))))))))
|
||
|
||
;;;;
|
||
;;;; LaTeX syntax navigation
|
||
;;;;
|
||
|
||
(defmacro tex-search-noncomment (&rest body)
|
||
"Execute BODY as long as it return non-nil and point is in a comment.
|
||
Return the value returned by the last execution of BODY."
|
||
(declare (debug t))
|
||
(let ((res-sym (make-symbol "result")))
|
||
`(let (,res-sym)
|
||
(while
|
||
(and (setq ,res-sym (progn ,@body))
|
||
(save-excursion (skip-chars-backward "^\n%") (not (bolp)))))
|
||
,res-sym)))
|
||
|
||
(defun tex-last-unended-begin ()
|
||
"Leave point at the beginning of the last `\\begin{...}' that is unended."
|
||
(condition-case nil
|
||
(while (and (tex-search-noncomment
|
||
(re-search-backward "\\\\\\(begin\\|end\\)\\s *{"))
|
||
(looking-at "\\\\end"))
|
||
(tex-last-unended-begin))
|
||
(search-failed (error "Couldn't find unended \\begin"))))
|
||
|
||
(defun tex-next-unmatched-end ()
|
||
"Leave point at the end of the next `\\end' that is unmatched."
|
||
(while (and (tex-search-noncomment
|
||
(re-search-forward "\\\\\\(begin\\|end\\)\\s *{[^}]+}"))
|
||
(save-excursion (goto-char (match-beginning 0))
|
||
(looking-at "\\\\begin")))
|
||
(tex-next-unmatched-end)))
|
||
|
||
(defun tex-next-unmatched-eparen (otype)
|
||
"Leave point after the next unmatched escaped closing parenthesis.
|
||
The string OTYPE is an opening parenthesis type: `(', `{', or `['."
|
||
(condition-case nil
|
||
(let ((ctype (char-to-string (cdr (aref (syntax-table)
|
||
(string-to-char otype))))))
|
||
(while (and (tex-search-noncomment
|
||
(re-search-forward (format "\\\\[%s%s]" ctype otype)))
|
||
(save-excursion
|
||
(goto-char (match-beginning 0))
|
||
(looking-at (format "\\\\%s" (regexp-quote otype)))))
|
||
(tex-next-unmatched-eparen otype)))
|
||
(wrong-type-argument (error "Unknown opening parenthesis type: %s" otype))
|
||
(search-failed (error "Couldn't find closing escaped paren"))))
|
||
|
||
(defun tex-last-unended-eparen (ctype)
|
||
"Leave point at the start of the last unended escaped opening parenthesis.
|
||
The string CTYPE is a closing parenthesis type: `)', `}', or `]'."
|
||
(condition-case nil
|
||
(let ((otype (char-to-string (cdr (aref (syntax-table)
|
||
(string-to-char ctype))))))
|
||
(while (and (tex-search-noncomment
|
||
(re-search-backward (format "\\\\[%s%s]" ctype otype)))
|
||
(looking-at (format "\\\\%s" (regexp-quote ctype))))
|
||
(tex-last-unended-eparen ctype)))
|
||
(wrong-type-argument (error "Unknown opening parenthesis type: %s" ctype))
|
||
(search-failed (error "Couldn't find unended escaped paren"))))
|
||
|
||
(defun tex-goto-last-unclosed-latex-block ()
|
||
"Move point to the last unclosed \\begin{...}.
|
||
Mark is left at original location."
|
||
(interactive)
|
||
(let ((spot))
|
||
(save-excursion
|
||
(tex-last-unended-begin)
|
||
(setq spot (point)))
|
||
(push-mark)
|
||
(goto-char spot)))
|
||
|
||
(defvar latex-handle-escaped-parens t)
|
||
|
||
;; Don't think this one actually _needs_ (for the purposes of
|
||
;; tex-mode) to handle escaped parens.
|
||
;; Does not handle escaped parens when latex-handle-escaped-parens is nil.
|
||
(defun latex-backward-sexp-1 ()
|
||
"Like (backward-sexp 1) but aware of multi-char elements and escaped parens."
|
||
(let ((pos (point))
|
||
(forward-sexp-function))
|
||
(backward-sexp 1)
|
||
(cond ((looking-at
|
||
(if latex-handle-escaped-parens
|
||
"\\\\\\(begin\\>\\|[[({]\\)"
|
||
"\\\\begin\\>"))
|
||
(signal 'scan-error
|
||
(list "Containing expression ends prematurely"
|
||
(point) (prog1 (point) (goto-char pos)))))
|
||
((and latex-handle-escaped-parens
|
||
(looking-at "\\\\\\([])}]\\)"))
|
||
(tex-last-unended-eparen (match-string 1)))
|
||
((eq (char-after) ?{)
|
||
(let ((newpos (point)))
|
||
(when (ignore-errors (backward-sexp 1) t)
|
||
(if (or (looking-at "\\\\end\\>")
|
||
;; In case the \\ ends a verbatim section.
|
||
(and (looking-at "end\\>") (eq (char-before) ?\\)))
|
||
(tex-last-unended-begin)
|
||
(goto-char newpos))))))))
|
||
|
||
;; Note this does not handle things like mismatched brackets inside
|
||
;; begin/end blocks.
|
||
;; Needs to handle escaped parens for tex-validate-*.
|
||
;; https://lists.gnu.org/r/bug-gnu-emacs/2007-09/msg00038.html
|
||
;; Does not handle escaped parens when latex-handle-escaped-parens is nil.
|
||
(defun latex-forward-sexp-1 ()
|
||
"Like (forward-sexp 1) but aware of multi-char elements and escaped parens."
|
||
(let ((pos (point))
|
||
(forward-sexp-function))
|
||
(forward-sexp 1)
|
||
(let ((newpos (point)))
|
||
(skip-syntax-backward "/w")
|
||
(cond
|
||
((looking-at "\\\\end\\>")
|
||
(signal 'scan-error
|
||
(list "Containing expression ends prematurely"
|
||
(point)
|
||
(prog1
|
||
(progn (ignore-errors (forward-sexp 2)) (point))
|
||
(goto-char pos)))))
|
||
((looking-at "\\\\begin\\>")
|
||
(goto-char (match-end 0))
|
||
(tex-next-unmatched-end))
|
||
;; A better way to handle this, \( .. \) etc, is probably to
|
||
;; temporarily change the syntax of the \ in \( to punctuation.
|
||
((and latex-handle-escaped-parens
|
||
(looking-back "\\\\[])}]" (- (point) 2)))
|
||
(signal 'scan-error
|
||
(list "Containing expression ends prematurely"
|
||
(- (point) 2) (prog1 (point)
|
||
(goto-char pos)))))
|
||
((and latex-handle-escaped-parens
|
||
(looking-back "\\\\\\([({[]\\)" (- (point) 2)))
|
||
(tex-next-unmatched-eparen (match-string 1)))
|
||
(t (goto-char newpos))))))
|
||
|
||
(defun latex-forward-sexp (&optional arg)
|
||
"Like `forward-sexp' but aware of multi-char elements and escaped parens."
|
||
(interactive "P")
|
||
(unless arg (setq arg 1))
|
||
(let ((pos (point))
|
||
(opoint 0))
|
||
(condition-case err
|
||
(while (and (/= (point) opoint)
|
||
(/= arg 0))
|
||
(setq opoint (point))
|
||
(setq arg
|
||
(if (> arg 0)
|
||
(progn (latex-forward-sexp-1) (1- arg))
|
||
(progn (latex-backward-sexp-1) (1+ arg)))))
|
||
(scan-error
|
||
(goto-char pos)
|
||
(signal (car err) (cdr err))))))
|
||
|
||
(defun latex-syntax-after ()
|
||
"Like (char-syntax (char-after)) but aware of multi-char elements."
|
||
(if (looking-at "\\\\end\\>") ?\) (char-syntax (following-char))))
|
||
|
||
(defun latex-skip-close-parens ()
|
||
"Like (skip-syntax-forward \" )\") but aware of multi-char elements."
|
||
(let ((forward-sexp-function nil))
|
||
(while (progn (skip-syntax-forward " )")
|
||
(looking-at "\\\\end\\>"))
|
||
(forward-sexp 2))))
|
||
|
||
(defun latex-down-list ()
|
||
"Like (down-list 1) but aware of multi-char elements."
|
||
(forward-comment (point-max))
|
||
(let ((forward-sexp-function nil))
|
||
(if (not (looking-at "\\\\begin\\>"))
|
||
(down-list 1)
|
||
(forward-sexp 1)
|
||
;; Skip arguments.
|
||
(while (looking-at "[ \t]*[[{(]")
|
||
(with-syntax-table tex-mode-syntax-table
|
||
(forward-sexp))))))
|
||
|
||
(defalias 'tex-close-latex-block 'latex-close-block)
|
||
(define-skeleton latex-close-block
|
||
"Create an \\end{...} to match the last unclosed \\begin{...}."
|
||
(save-excursion
|
||
(tex-last-unended-begin)
|
||
(if (not (looking-at "\\\\begin\\(\\s *{[^}\n]*}\\)")) '("{" _ "}")
|
||
(match-string 1)))
|
||
\n "\\end" str > \n)
|
||
|
||
(define-skeleton latex-split-block
|
||
"Split the enclosing environment by inserting \\end{..}\\begin{..} at point."
|
||
(save-excursion
|
||
(tex-last-unended-begin)
|
||
(if (not (looking-at "\\\\begin\\(\\s *{[^}\n]*}\\)")) '("{" _ "}")
|
||
(prog1 (match-string 1)
|
||
(goto-char (match-end 1))
|
||
(setq v1 (buffer-substring (point)
|
||
(progn
|
||
(while (looking-at "[ \t]*[[{]")
|
||
(forward-sexp 1))
|
||
(point)))))))
|
||
\n "\\end" str > \n _ \n "\\begin" str v1 > \n)
|
||
|
||
(defconst tex-discount-args-cmds
|
||
'("begin" "end" "input" "special" "cite" "ref" "include" "includeonly"
|
||
"documentclass" "usepackage" "label")
|
||
"TeX commands whose arguments should not be counted as text.")
|
||
|
||
(defun tex-count-words (begin end)
|
||
"Count the number of words in the buffer."
|
||
(interactive
|
||
(if (and transient-mark-mode mark-active)
|
||
(list (region-beginning) (region-end))
|
||
(list (point-min) (point-max))))
|
||
;; TODO: skip comments and math and maybe some environments.
|
||
(save-excursion
|
||
(goto-char begin)
|
||
(let ((count 0))
|
||
(while (and (< (point) end) (re-search-forward "\\<" end t))
|
||
(if (not (eq (char-syntax (preceding-char)) ?/))
|
||
(progn
|
||
;; Don't count single-char words.
|
||
(unless (looking-at ".\\>") (cl-incf count))
|
||
(forward-char 1))
|
||
(let ((cmd
|
||
(buffer-substring-no-properties
|
||
(point) (progn (when (zerop (skip-chars-forward "a-zA-Z@"))
|
||
(forward-char 1))
|
||
(point)))))
|
||
(when (member cmd tex-discount-args-cmds)
|
||
(skip-chars-forward "*")
|
||
(forward-comment (point-max))
|
||
(when (looking-at "\\[")
|
||
(forward-sexp 1)
|
||
(forward-comment (point-max)))
|
||
(if (not (looking-at "{"))
|
||
(forward-char 1)
|
||
(forward-sexp 1))))))
|
||
(message "%s words" count))))
|
||
|
||
|
||
|
||
;;; Invoking TeX in an inferior shell.
|
||
|
||
;; Why use a shell instead of running TeX directly? Because if TeX
|
||
;; gets stuck, the user can switch to the shell window and type at it.
|
||
|
||
(defvar tex-error-parse-syntax-table
|
||
(let ((st (make-syntax-table)))
|
||
(modify-syntax-entry ?\( "()" st)
|
||
(modify-syntax-entry ?\) ")(" st)
|
||
(modify-syntax-entry ?\\ "\\" st)
|
||
(modify-syntax-entry ?\{ "_" st)
|
||
(modify-syntax-entry ?\} "_" st)
|
||
(modify-syntax-entry ?\[ "_" st)
|
||
(modify-syntax-entry ?\] "_" st)
|
||
;; Single quotations may appear in errors
|
||
(modify-syntax-entry ?\" "_" st)
|
||
st)
|
||
"Syntax-table used while parsing TeX error messages.")
|
||
|
||
(defun tex-old-error-file-name ()
|
||
;; This is unreliable, partly because we don't try very hard, and
|
||
;; partly because TeX's output format is eminently ambiguous and unfriendly
|
||
;; to automation.
|
||
(save-excursion
|
||
(save-match-data
|
||
(with-syntax-table tex-error-parse-syntax-table
|
||
(beginning-of-line)
|
||
(backward-up-list 1)
|
||
(skip-syntax-forward "(_")
|
||
(while (not (let ((try-filename (thing-at-point 'filename)))
|
||
(and try-filename
|
||
(not (string= "" try-filename))
|
||
(file-readable-p try-filename))))
|
||
(skip-syntax-backward "(_")
|
||
(backward-up-list 1)
|
||
(skip-syntax-forward "(_"))
|
||
(thing-at-point 'filename)))))
|
||
|
||
(defconst tex-error-regexp-alist
|
||
;; First alternative handles the newer --file-line-error style:
|
||
;; ./test2.tex:14: Too many }'s.
|
||
'(gnu
|
||
;; Second handles the old-style, which spans two lines but doesn't include
|
||
;; any file info:
|
||
;; ! Too many }'s.
|
||
;; l.396 toto}
|
||
("^l\\.\\([1-9][0-9]*\\) \\(?:\\.\\.\\.\\)?\\(.*\\)$"
|
||
tex-old-error-file-name 1 nil nil nil
|
||
;; Since there's no filename to highlight, let's highlight the message.
|
||
(2 compilation-error-face))
|
||
;; A few common warning messages.
|
||
("^\\(?:Und\\|Ov\\)erfull \\\\[hv]box .* at lines? \\(\\([1-9][0-9]*\\)\\(?:--\\([1-9][0-9]*\\)\\)?\\)$"
|
||
tex-old-error-file-name (2 . 3) nil 1 nil
|
||
(1 compilation-warning-face))
|
||
("^(Font) *\\([^ \n].* on input line \\([1-9][0-9]*\\)\\)\\.$"
|
||
tex-old-error-file-name 2 nil 1 1
|
||
(2 compilation-warning-face))
|
||
;; Included files get output as (<file> ...).
|
||
;; FIXME: there tend to be a boatload of them at the beginning of the
|
||
;; output which aren't that interesting. Maybe we should filter out
|
||
;; all the file name that start with /usr/share?
|
||
;; ("(\\.?/\\([^() \n]+\\)" 1 nil nil 0)
|
||
))
|
||
|
||
;; The utility functions:
|
||
|
||
(define-derived-mode tex-shell shell-mode "TeX-Shell"
|
||
(setq-local compilation-error-regexp-alist tex-error-regexp-alist)
|
||
(compilation-shell-minor-mode t))
|
||
|
||
;;;###autoload
|
||
(defun tex-start-shell ()
|
||
(with-current-buffer
|
||
(make-comint
|
||
"tex-shell"
|
||
(or tex-shell-file-name (getenv "ESHELL") shell-file-name)
|
||
nil
|
||
;; Specify an interactive shell, to make sure it prompts.
|
||
"-i")
|
||
(let ((proc (get-process "tex-shell")))
|
||
(set-process-sentinel proc 'tex-shell-sentinel)
|
||
(set-process-query-on-exit-flag proc nil)
|
||
(tex-shell)
|
||
(while (zerop (buffer-size))
|
||
(sleep-for 1)))))
|
||
|
||
(defun tex-feed-input ()
|
||
"Send input to the tex shell process.
|
||
In the tex buffer this can be used to continue an interactive tex run.
|
||
In the tex shell buffer this command behaves like `comint-send-input'."
|
||
(interactive)
|
||
(set-buffer (tex-shell-buf))
|
||
(comint-send-input)
|
||
(tex-recenter-output-buffer nil))
|
||
|
||
(defun tex-display-shell ()
|
||
"Make the TeX shell buffer visible in a window."
|
||
(display-buffer (tex-shell-buf))
|
||
(tex-recenter-output-buffer nil))
|
||
|
||
(defun tex-shell-sentinel (proc _msg)
|
||
(cond ((null (buffer-name (process-buffer proc)))
|
||
;; buffer killed
|
||
(set-process-buffer proc nil)
|
||
(tex-delete-last-temp-files))
|
||
((memq (process-status proc) '(signal exit))
|
||
(tex-delete-last-temp-files))))
|
||
|
||
(defun tex-set-buffer-directory (buffer directory)
|
||
"Set BUFFER's default directory to be DIRECTORY."
|
||
(setq directory (file-name-as-directory (expand-file-name directory)))
|
||
(if (not (file-directory-p directory))
|
||
(error "%s is not a directory" directory)
|
||
(with-current-buffer buffer
|
||
(setq default-directory directory))))
|
||
|
||
(defvar tex-send-command-modified-tick 0)
|
||
(make-variable-buffer-local 'tex-send-command-modified-tick)
|
||
|
||
(defun tex-shell-proc ()
|
||
(or (tex-shell-running) (error "No TeX subprocess")))
|
||
(defun tex-shell-buf ()
|
||
(process-buffer (tex-shell-proc)))
|
||
(defun tex-shell-buf-no-error ()
|
||
(let ((proc (tex-shell-running)))
|
||
(and proc (process-buffer proc))))
|
||
|
||
(defun tex-send-command (command &optional file background)
|
||
"Send COMMAND to TeX shell process, substituting optional FILE for *.
|
||
Do this in background if optional BACKGROUND is t. If COMMAND has no *,
|
||
FILE will be appended, preceded by a blank, to COMMAND. If FILE is nil, no
|
||
substitution will be made in COMMAND. COMMAND can be any expression that
|
||
evaluates to a command string.
|
||
|
||
Return the process in which TeX is running."
|
||
(save-excursion
|
||
(let* ((cmd (eval command))
|
||
(proc (tex-shell-proc))
|
||
(buf (process-buffer proc))
|
||
(star (string-match "\\*" cmd))
|
||
(string
|
||
(concat
|
||
(if (null file)
|
||
cmd
|
||
(if (file-name-absolute-p file)
|
||
(setq file (convert-standard-filename file)))
|
||
(if star (concat (substring cmd 0 star)
|
||
(shell-quote-argument file)
|
||
(substring cmd (1+ star)))
|
||
(concat cmd " " (shell-quote-argument file))))
|
||
(if background "&" ""))))
|
||
;; Switch to buffer before checking for subproc output in it.
|
||
(set-buffer buf)
|
||
;; If text is unchanged since previous tex-send-command,
|
||
;; we haven't got any output. So wait for output now.
|
||
(if (= (buffer-modified-tick buf) tex-send-command-modified-tick)
|
||
(accept-process-output proc))
|
||
(goto-char (process-mark proc))
|
||
(insert string)
|
||
(comint-send-input)
|
||
(setq tex-send-command-modified-tick (buffer-modified-tick buf))
|
||
proc)))
|
||
|
||
(defun tex-delete-last-temp-files (&optional not-all)
|
||
"Delete any junk files from last temp file.
|
||
If NOT-ALL is non-nil, save the `.dvi' file."
|
||
(if tex-last-temp-file
|
||
(let* ((dir (file-name-directory tex-last-temp-file))
|
||
(list (and (file-directory-p dir)
|
||
(file-name-all-completions
|
||
(file-name-base tex-last-temp-file)
|
||
dir))))
|
||
(while list
|
||
(if not-all
|
||
(and
|
||
;; If arg is non-nil, don't delete the .dvi file.
|
||
(not (string-match "\\.dvi$" (car list)))
|
||
(delete-file (concat dir (car list))))
|
||
(delete-file (concat dir (car list))))
|
||
(setq list (cdr list))))))
|
||
|
||
(add-hook 'kill-emacs-hook #'tex-delete-last-temp-files)
|
||
|
||
;;
|
||
;; Machinery to guess the command that the user wants to execute.
|
||
;;
|
||
|
||
(defvar tex-compile-history nil)
|
||
|
||
(defvar tex-input-files-re
|
||
(eval-when-compile
|
||
(concat "\\." (regexp-opt '("tex" "texi" "texinfo"
|
||
"bbl" "ind" "sty" "cls") t)
|
||
;; Include files with no dots (for directories).
|
||
"\\'\\|\\`[^.]+\\'")))
|
||
|
||
(defcustom tex-use-reftex t
|
||
"If non-nil, use RefTeX's list of files to determine what command to use."
|
||
:type 'boolean
|
||
:group 'tex)
|
||
|
||
(defvar tex-compile-commands
|
||
`(,@(mapcar (lambda (prefix)
|
||
`((concat ,prefix tex-command
|
||
" " (if (< 0 (length tex-start-commands))
|
||
(shell-quote-argument tex-start-commands))
|
||
" %f")
|
||
t "%r.pdf"))
|
||
'("pdf" "xe" "lua"))
|
||
((concat tex-command
|
||
" " (if (< 0 (length tex-start-commands))
|
||
(shell-quote-argument tex-start-commands))
|
||
" %f")
|
||
t "%r.dvi")
|
||
("xdvi %r &" "%r.dvi")
|
||
("\\doc-view \"%r.pdf\"" "%r.pdf")
|
||
("xpdf %r.pdf &" "%r.pdf")
|
||
("gv %r.ps &" "%r.ps")
|
||
("yap %r &" "%r.dvi")
|
||
("advi %r &" "%r.dvi")
|
||
("gv %r.pdf &" "%r.pdf")
|
||
("bibtex %r" "%r.aux" "%r.bbl")
|
||
("makeindex %r" "%r.idx" "%r.ind")
|
||
("texindex %r.??")
|
||
("dvipdfm %r" "%r.dvi" "%r.pdf")
|
||
("dvipdf %r" "%r.dvi" "%r.pdf")
|
||
("dvips -o %r.ps %r" "%r.dvi" "%r.ps")
|
||
("ps2pdf %r.ps" "%r.ps" "%r.pdf")
|
||
("lpr %r.ps" "%r.ps"))
|
||
"List of commands for `tex-compile'.
|
||
Each element should be of the form (FORMAT IN OUT) where
|
||
FORMAT is an expression that evaluates to a string that can contain
|
||
- `%r' the main file name without extension.
|
||
- `%f' the main file name.
|
||
IN can be either a string (with the same % escapes in it) indicating
|
||
the name of the input file, or t to indicate that the input is all
|
||
the TeX files of the document, or nil if we don't know.
|
||
OUT describes the output file and is either a %-escaped string
|
||
or nil to indicate that there is no output file.")
|
||
|
||
(define-obsolete-function-alias 'tex-string-prefix-p #'string-prefix-p "24.3")
|
||
|
||
(defun tex-guess-main-file (&optional all)
|
||
"Find a likely `tex-main-file'.
|
||
Looks for hints in other buffers in the same directory or in
|
||
ALL other buffers. If ALL is `sub' only look at buffers in parent directories
|
||
of the current buffer."
|
||
(let ((dir default-directory)
|
||
(header-re tex-start-of-header))
|
||
(catch 'found
|
||
;; Look for a buffer with `tex-main-file' set.
|
||
(dolist (buf (if (consp all) all (buffer-list)))
|
||
(with-current-buffer buf
|
||
(when (and (cond
|
||
((null all) (equal dir default-directory))
|
||
((eq all 'sub) (string-prefix-p default-directory dir))
|
||
(t))
|
||
(stringp tex-main-file))
|
||
(throw 'found (expand-file-name tex-main-file)))))
|
||
;; Look for a buffer containing the magic `tex-start-of-header'.
|
||
(dolist (buf (if (consp all) all (buffer-list)))
|
||
(with-current-buffer buf
|
||
(when (and (cond
|
||
((null all) (equal dir default-directory))
|
||
((eq all 'sub) (string-prefix-p default-directory dir))
|
||
(t))
|
||
buffer-file-name
|
||
;; (or (easy-mmode-derived-mode-p 'latex-mode)
|
||
;; (easy-mmode-derived-mode-p 'plain-tex-mode))
|
||
(save-excursion
|
||
(save-restriction
|
||
(widen)
|
||
(goto-char (point-min))
|
||
(re-search-forward
|
||
header-re (+ (point) 10000) t))))
|
||
(throw 'found (expand-file-name buffer-file-name))))))))
|
||
|
||
(defun tex-main-file ()
|
||
"Return the relative name of the main file."
|
||
(let* ((file (or tex-main-file
|
||
;; Compatibility with AUCTeX.
|
||
(with-no-warnings
|
||
(when (boundp 'TeX-master)
|
||
(cond ((stringp TeX-master)
|
||
(setq-local tex-main-file TeX-master))
|
||
((and (eq TeX-master t) buffer-file-name)
|
||
(file-relative-name buffer-file-name)))))
|
||
;; Try to guess the main file.
|
||
(if (not buffer-file-name)
|
||
(error "Buffer is not associated with any file")
|
||
(file-relative-name
|
||
(if (save-excursion
|
||
(goto-char (point-min))
|
||
(re-search-forward tex-start-of-header
|
||
(+ (point) 10000) t))
|
||
;; This is the main file.
|
||
buffer-file-name
|
||
;; This isn't the main file, let's try to find better,
|
||
(or (tex-guess-main-file)
|
||
(tex-guess-main-file 'sub)
|
||
;; (tex-guess-main-file t)
|
||
buffer-file-name)))))))
|
||
(if (or (file-exists-p file) (string-match "\\.tex\\'" file))
|
||
file (concat file ".tex"))))
|
||
|
||
(defun tex-summarize-command (cmd)
|
||
(if (not (stringp cmd)) ""
|
||
(mapconcat #'identity
|
||
(mapcar (lambda (s) (car (split-string s)))
|
||
(split-string cmd "\\s-*\\(?:;\\|&&\\)\\s-*"))
|
||
"&")))
|
||
|
||
(defun tex-uptodate-p (file)
|
||
"Return non-nil if FILE is not uptodate w.r.t the document source files.
|
||
FILE is typically the output DVI or PDF file."
|
||
;; We should check all the files included !!!
|
||
(and
|
||
;; Clearly, the target must exist.
|
||
(file-exists-p file)
|
||
;; And the last run must not have asked for a rerun.
|
||
;; FIXME: this should check that the last run was done on the same file.
|
||
(let ((buf (condition-case nil (tex-shell-buf) (error nil))))
|
||
(when buf
|
||
(with-current-buffer buf
|
||
(save-excursion
|
||
(goto-char (point-max))
|
||
(and (re-search-backward
|
||
(concat "(see the transcript file for additional information)"
|
||
"\\|^Output written on .*"
|
||
(regexp-quote (file-name-nondirectory file))
|
||
" (.*)\\.")
|
||
nil t)
|
||
(> (save-excursion
|
||
;; Usually page numbers are output as [N], but
|
||
;; I've already seen things like
|
||
;; [N{/var/lib/texmf/fonts/map/pdftex/updmap/pdftex.map}]
|
||
;; as well as [N.N] (e.g. with 'acmart' style).
|
||
(or (re-search-backward
|
||
"\\[[0-9]+\\({[^}]*}\\|\\.[0-9]+\\)?\\]"
|
||
nil t)
|
||
(point-min)))
|
||
(save-excursion
|
||
(or (re-search-backward "Rerun" nil t)
|
||
(point-min)))))))))
|
||
;; And the input files must not have been changed in the meantime.
|
||
(let ((files (if (and tex-use-reftex
|
||
(fboundp 'reftex-scanning-info-available-p)
|
||
(reftex-scanning-info-available-p))
|
||
(reftex-all-document-files)
|
||
(list (file-name-directory (expand-file-name file)))))
|
||
(ignored-dirs-re
|
||
(concat
|
||
(regexp-opt
|
||
(delq nil (mapcar (lambda (s) (if (eq (aref s (1- (length s))) ?/)
|
||
(substring s 0 (1- (length s)))))
|
||
completion-ignored-extensions))
|
||
t) "\\'"))
|
||
(uptodate t))
|
||
(while (and files uptodate)
|
||
(let ((f (pop files)))
|
||
(if (and (file-directory-p f)
|
||
;; Avoid infinite loops.
|
||
(not (file-symlink-p f)))
|
||
(unless (string-match ignored-dirs-re f)
|
||
(setq files (nconc
|
||
(ignore-errors ;Not readable or something.
|
||
(directory-files f t tex-input-files-re))
|
||
files)))
|
||
(when (file-newer-than-file-p f file)
|
||
(setq uptodate nil)))))
|
||
uptodate)))
|
||
|
||
|
||
(autoload 'format-spec "format-spec")
|
||
|
||
(defvar tex-executable-cache nil)
|
||
(defun tex-executable-exists-p (name)
|
||
"Like `executable-find' but with a cache."
|
||
(let ((f (and (string-match "^\\\\\\([^ \t\n]+\\)" name)
|
||
(intern-soft (concat "tex-cmd-" (match-string 1 name))))))
|
||
(if (fboundp f)
|
||
f
|
||
(let ((cache (assoc name tex-executable-cache)))
|
||
(if cache (cdr cache)
|
||
(let ((executable (executable-find name)))
|
||
(push (cons name executable) tex-executable-cache)
|
||
executable))))))
|
||
|
||
(defun tex-command-executable (cmd)
|
||
(let ((s (if (stringp cmd) cmd (eval (car cmd)))))
|
||
(substring s 0 (string-match "[ \t]\\|\\'" s))))
|
||
|
||
(defun tex-command-active-p (cmd fspec)
|
||
"Return non-nil if the CMD spec might need to be run."
|
||
(let ((in (nth 1 cmd))
|
||
(out (nth 2 cmd)))
|
||
(if (stringp in)
|
||
(let ((file (format-spec in fspec)))
|
||
(when (file-exists-p file)
|
||
(or (not out)
|
||
(file-newer-than-file-p
|
||
file (format-spec out fspec)))))
|
||
(when (and (eq in t) (stringp out))
|
||
(not (tex-uptodate-p (format-spec out fspec)))))))
|
||
|
||
(defcustom tex-cmd-bibtex-args "--min-crossref=100"
|
||
"Extra args to pass to `bibtex' by default."
|
||
:type 'string
|
||
:version "23.1"
|
||
:group 'tex-run)
|
||
|
||
(defun tex-format-cmd (format fspec)
|
||
"Like `format-spec' but adds user-specified args to the command.
|
||
Only applies the FSPEC to the args part of FORMAT."
|
||
(if (not (string-match "\\([^ /\\]+\\) " format))
|
||
(format-spec format fspec)
|
||
(let* ((prefix (substring format 0 (match-beginning 0)))
|
||
(cmd (match-string 1 format))
|
||
(args (substring format (match-end 0)))
|
||
(sym (intern-soft (format "tex-cmd-%s-args" cmd)))
|
||
(extra-args (and sym (symbol-value sym))))
|
||
(concat prefix cmd
|
||
(if extra-args (concat " " extra-args))
|
||
" " (format-spec args fspec)))))
|
||
|
||
(defun tex-compile-default (fspec)
|
||
"Guess a default command given the `format-spec' FSPEC."
|
||
;; TODO: Learn to do latex+dvips!
|
||
(let ((cmds nil)
|
||
(unchanged-in nil))
|
||
;; Only consider active commands.
|
||
(dolist (cmd tex-compile-commands)
|
||
(when (tex-executable-exists-p (tex-command-executable cmd))
|
||
(if (tex-command-active-p cmd fspec)
|
||
(push cmd cmds)
|
||
(push (nth 1 cmd) unchanged-in))))
|
||
;; If no command seems to be applicable, arbitrarily pick the first one.
|
||
(setq cmds (if cmds (nreverse cmds) (list (car tex-compile-commands))))
|
||
;; Remove those commands whose input was considered stable for
|
||
;; some other command (typically if (t . "%.pdf") is inactive
|
||
;; then we're using pdflatex and the fact that the dvi file
|
||
;; is nonexistent doesn't matter).
|
||
(let ((tmp nil))
|
||
(dolist (cmd cmds)
|
||
(unless (member (nth 1 cmd) unchanged-in)
|
||
(push cmd tmp)))
|
||
;; Only remove if there's something left.
|
||
(if tmp (setq cmds (nreverse tmp))))
|
||
;; Remove commands whose input is not uptodate either.
|
||
(let ((outs (delq nil (mapcar (lambda (x) (nth 2 x)) cmds)))
|
||
(tmp nil))
|
||
(dolist (cmd cmds)
|
||
(unless (member (nth 1 cmd) outs)
|
||
(push cmd tmp)))
|
||
;; Only remove if there's something left.
|
||
(if tmp (setq cmds (nreverse tmp))))
|
||
;; Select which file we're going to operate on (the latest).
|
||
(let ((latest (nth 1 (car cmds))))
|
||
(dolist (cmd (prog1 (cdr cmds) (setq cmds (list (car cmds)))))
|
||
(if (equal latest (nth 1 cmd))
|
||
(push cmd cmds)
|
||
(unless (eq latest t) ;Can't beat that!
|
||
(if (or (not (stringp latest))
|
||
(eq (nth 1 cmd) t)
|
||
(and (stringp (nth 1 cmd))
|
||
(file-newer-than-file-p
|
||
(format-spec (nth 1 cmd) fspec)
|
||
(format-spec latest fspec))))
|
||
(setq latest (nth 1 cmd) cmds (list cmd)))))))
|
||
;; Expand the command spec into the actual text.
|
||
(dolist (cmd (prog1 cmds (setq cmds nil)))
|
||
(push (cons (eval (car cmd)) (cdr cmd)) cmds))
|
||
;; Select the favorite command from the history.
|
||
(let ((hist tex-compile-history)
|
||
re hist-cmd)
|
||
(while hist
|
||
(setq hist-cmd (pop hist))
|
||
(setq re (concat "\\`"
|
||
(regexp-quote (tex-command-executable hist-cmd))
|
||
"\\([ \t]\\|\\'\\)"))
|
||
(dolist (cmd cmds)
|
||
;; If the hist entry uses the same command and applies to a file
|
||
;; of the same type (e.g. `gv %r.pdf' vs `gv %r.ps'), select cmd.
|
||
(and (string-match re (car cmd))
|
||
(or (not (string-match "%[fr]\\([-._[:alnum:]]+\\)" (car cmd)))
|
||
(string-match (regexp-quote (match-string 1 (car cmd)))
|
||
hist-cmd))
|
||
(setq hist nil cmds (list cmd)))))
|
||
;; Substitute and return.
|
||
(if (and hist-cmd
|
||
(string-match (concat "[' \t\"]" (format-spec "%r" fspec)
|
||
"\\([;&' \t\"]\\|\\'\\)")
|
||
hist-cmd))
|
||
;; The history command was already applied to the same file,
|
||
;; so just reuse it.
|
||
hist-cmd
|
||
(if cmds (tex-format-cmd (caar cmds) fspec))))))
|
||
|
||
(defun tex-cmd-doc-view (file)
|
||
(pop-to-buffer (find-file-noselect file)))
|
||
|
||
(defun tex-compile (dir cmd)
|
||
"Run a command CMD on current TeX buffer's file in DIR."
|
||
;; FIXME: Use time-stamps on files to decide the next op.
|
||
(interactive
|
||
(let* ((file (tex-main-file))
|
||
(default-directory
|
||
(prog1 (file-name-directory (expand-file-name file))
|
||
(setq file (file-name-nondirectory file))))
|
||
(root (file-name-sans-extension file))
|
||
(fspec (list (cons ?r (shell-quote-argument root))
|
||
(cons ?f (shell-quote-argument file))))
|
||
(default (tex-compile-default fspec)))
|
||
(list default-directory
|
||
(completing-read
|
||
(format "Command [%s]: " (tex-summarize-command default))
|
||
(mapcar (lambda (x)
|
||
(list (tex-format-cmd (eval (car x)) fspec)))
|
||
tex-compile-commands)
|
||
nil nil nil 'tex-compile-history default))))
|
||
(save-some-buffers (not compilation-ask-about-save) nil)
|
||
(let ((f (and (string-match "^\\\\\\([^ \t\n]+\\)" cmd)
|
||
(intern-soft (concat "tex-cmd-" (match-string 1 cmd))))))
|
||
(if (functionp f)
|
||
(condition-case nil
|
||
(let ((default-directory dir))
|
||
(apply f (split-string-and-unquote
|
||
(substring cmd (match-end 0)))))
|
||
(wrong-number-of-arguments
|
||
(error "Wrong number of arguments to %s"
|
||
(substring (symbol-name f) 8))))
|
||
(if (tex-shell-running)
|
||
(tex-kill-job)
|
||
(tex-start-shell))
|
||
(tex-send-tex-command cmd dir))))
|
||
|
||
(defun tex-start-tex (command file &optional dir)
|
||
"Start a TeX run, using COMMAND on FILE."
|
||
(let* ((star (string-match "\\*" command))
|
||
(compile-command
|
||
(if star
|
||
(concat (substring command 0 star)
|
||
(shell-quote-argument file)
|
||
(substring command (1+ star)))
|
||
(concat command " "
|
||
tex-start-options
|
||
(if (< 0 (length tex-start-commands))
|
||
(concat
|
||
(shell-quote-argument tex-start-commands) " "))
|
||
(shell-quote-argument file)))))
|
||
(tex-send-tex-command compile-command dir)))
|
||
|
||
(defun tex-send-tex-command (cmd &optional dir)
|
||
(unless (or (equal dir (let ((buf (tex-shell-buf-no-error)))
|
||
(and buf (with-current-buffer buf
|
||
default-directory))))
|
||
(not dir))
|
||
(let (shell-dirtrack-verbose)
|
||
(tex-send-command tex-shell-cd-command dir)))
|
||
(with-current-buffer (process-buffer (tex-send-command cmd))
|
||
(setq compilation-last-buffer (current-buffer))
|
||
(compilation-forget-errors)
|
||
;; Don't parse previous compilations.
|
||
(set-marker compilation-parsing-end (1- (point-max))))
|
||
(tex-display-shell)
|
||
(setq tex-last-buffer-texed (current-buffer)))
|
||
|
||
;;; The commands:
|
||
|
||
(defun tex-region (beg end)
|
||
"Run TeX on the current region, via a temporary file.
|
||
The file's name comes from the variable `tex-zap-file' and the
|
||
variable `tex-directory' says where to put it.
|
||
|
||
If the buffer has a header, the header is given to TeX before the
|
||
region itself. The buffer's header is all lines between the strings
|
||
defined by `tex-start-of-header' and `tex-end-of-header' inclusive.
|
||
The header must start in the first 100 lines of the buffer.
|
||
|
||
The value of `tex-trailer' is given to TeX as input after the region.
|
||
|
||
The value of `tex-command' specifies the command to use to run TeX."
|
||
(interactive "r")
|
||
(if (tex-shell-running)
|
||
(tex-kill-job)
|
||
(tex-start-shell))
|
||
(or tex-zap-file
|
||
(setq tex-zap-file (tex-generate-zap-file-name)))
|
||
;; Temp file will be written and TeX will be run in zap-directory.
|
||
;; If the TEXINPUTS file has relative directories or if the region has
|
||
;; \input of files, this must be the same directory as the file for
|
||
;; TeX to access the correct inputs. That's why it's safest if
|
||
;; tex-directory is ".".
|
||
(let* ((zap-directory
|
||
(file-name-as-directory (expand-file-name tex-directory)))
|
||
(tex-out-file (expand-file-name (concat tex-zap-file ".tex")
|
||
zap-directory))
|
||
(main-file (expand-file-name (tex-main-file)))
|
||
(ismain (string-equal main-file (buffer-file-name)))
|
||
already-output)
|
||
;; Don't delete temp files if we do the same buffer twice in a row.
|
||
(or (eq (current-buffer) tex-last-buffer-texed)
|
||
(tex-delete-last-temp-files t))
|
||
(let ((default-directory zap-directory)) ; why?
|
||
;; We assume the header is fully contained in tex-main-file.
|
||
;; We use f-f-ns so we get prompted about any changes on disk.
|
||
(with-current-buffer (find-file-noselect main-file)
|
||
(setq already-output (tex-region-header tex-out-file
|
||
(and ismain beg))))
|
||
;; Write out the specified region (but don't repeat anything
|
||
;; already written in the header).
|
||
(write-region (if ismain
|
||
(max beg already-output)
|
||
beg)
|
||
end tex-out-file (not (zerop already-output)))
|
||
;; Write the trailer, if any.
|
||
;; Precede it with a newline to make sure it
|
||
;; is not hidden in a comment.
|
||
(if tex-trailer
|
||
(write-region (concat "\n" tex-trailer) nil
|
||
tex-out-file t)))
|
||
;; Record the file name to be deleted afterward.
|
||
(setq tex-last-temp-file tex-out-file)
|
||
;; Use a relative file name here because (1) the proper dir
|
||
;; is already current, and (2) the abs file name is sometimes
|
||
;; too long and can make tex crash.
|
||
(tex-start-tex tex-command (concat tex-zap-file ".tex") zap-directory)
|
||
(setq tex-print-file tex-out-file)))
|
||
|
||
(defun tex-region-header (file &optional beg)
|
||
"If there is a TeX header in the current buffer, write it to FILE.
|
||
Return point at the end of the region so written, or zero. If
|
||
the optional buffer position BEG is specified, then the region
|
||
written out starts at BEG, if this lies before the start of the header.
|
||
|
||
If the first line matches `tex-first-line-header-regexp', it is
|
||
also written out. The variables `tex-start-of-header' and
|
||
`tex-end-of-header' are used to locate the header. Note that the
|
||
start of the header is required to be within the first 100 lines."
|
||
(save-excursion
|
||
(save-restriction
|
||
(widen)
|
||
(goto-char (point-min))
|
||
(let ((search-end (save-excursion
|
||
(forward-line 100)
|
||
(point)))
|
||
(already-output 0)
|
||
hbeg hend)
|
||
;; Maybe copy first line, such as `\input texinfo', to temp file.
|
||
(and tex-first-line-header-regexp
|
||
(looking-at tex-first-line-header-regexp)
|
||
(write-region (point)
|
||
(progn (forward-line 1)
|
||
(setq already-output (point)))
|
||
file))
|
||
;; Write out the header, if there is one, and any of the
|
||
;; specified region which extends before it. But don't repeat
|
||
;; anything already written.
|
||
(and tex-start-of-header
|
||
(re-search-forward tex-start-of-header search-end t)
|
||
(progn
|
||
(beginning-of-line)
|
||
(setq hbeg (point)) ; mark beginning of header
|
||
(when (re-search-forward tex-end-of-header nil t)
|
||
(forward-line 1)
|
||
(setq hend (point)) ; mark end of header
|
||
(write-region
|
||
(max (if beg
|
||
(min hbeg beg)
|
||
hbeg)
|
||
already-output)
|
||
hend file (not (zerop already-output)))
|
||
(setq already-output hend))))
|
||
already-output))))
|
||
|
||
(defun tex-buffer ()
|
||
"Run TeX on current buffer. See \\[tex-region] for more information.
|
||
Does not save the buffer, so it's useful for trying experimental versions.
|
||
See \\[tex-file] for an alternative."
|
||
(interactive)
|
||
(tex-region (point-min) (point-max)))
|
||
|
||
(defun tex-file ()
|
||
"Prompt to save all buffers and run TeX (or LaTeX) on current buffer's file.
|
||
This function is more useful than \\[tex-buffer] when you need the
|
||
`.aux' file of LaTeX to have the correct name."
|
||
(interactive)
|
||
(when tex-offer-save
|
||
(save-some-buffers))
|
||
(let* ((source-file (tex-main-file))
|
||
(file-dir (file-name-directory (expand-file-name source-file))))
|
||
(if (tex-shell-running)
|
||
(tex-kill-job)
|
||
(tex-start-shell))
|
||
(tex-start-tex tex-command source-file file-dir)
|
||
(setq tex-print-file (expand-file-name source-file))))
|
||
|
||
(defun tex-generate-zap-file-name ()
|
||
"Generate a unique name suitable for use as a file name."
|
||
;; Include the shell process number and host name
|
||
;; in case there are multiple shells (for same or different user).
|
||
;; Dec 1998: There is a report that some versions of xdvi
|
||
;; don't work with file names that start with #.
|
||
(format "_TZ_%d-%s"
|
||
(process-id (get-buffer-process "*tex-shell*"))
|
||
(subst-char-in-string ?. ?- (system-name))))
|
||
|
||
;; This will perhaps be useful for modifying TEXINPUTS.
|
||
;; Expand each file name, separated by colons, in the string S.
|
||
(defun tex-expand-files (s)
|
||
(let (elts (start 0))
|
||
(while (string-match ":" s start)
|
||
(setq elts (cons (substring s start (match-beginning 0)) elts))
|
||
(setq start (match-end 0)))
|
||
(or (= start 0)
|
||
(setq elts (cons (substring s start) elts)))
|
||
(mapconcat (lambda (elt)
|
||
(if (= (length elt) 0) elt (expand-file-name elt)))
|
||
(nreverse elts) ":")))
|
||
|
||
(defun tex-shell-running ()
|
||
(let ((proc (get-process "tex-shell")))
|
||
(when proc
|
||
(if (and (eq (process-status proc) 'run)
|
||
(buffer-live-p (process-buffer proc)))
|
||
;; return the TeX process on success
|
||
proc
|
||
;; get rid of the process permanently
|
||
;; this should get rid of the annoying w32 problem with
|
||
;; dead tex-shell buffer and live process
|
||
(delete-process proc)))))
|
||
|
||
(defun tex-kill-job ()
|
||
"Kill the currently running TeX job."
|
||
(interactive)
|
||
;; `quit-process' leads to core dumps of the tex process (except if
|
||
;; coredumpsize has limit 0kb as on many environments). One would
|
||
;; like to use (kill-process proc 'lambda), however that construct
|
||
;; does not work on some systems and kills the shell itself.
|
||
(let ((proc (get-process "tex-shell")))
|
||
(when proc (quit-process proc t))))
|
||
|
||
(defun tex-recenter-output-buffer (linenum)
|
||
"Redisplay buffer of TeX job output so that most recent output can be seen.
|
||
The last line of the buffer is displayed on
|
||
line LINE of the window, or centered if LINE is nil."
|
||
(interactive "P")
|
||
(let ((tex-shell (get-buffer "*tex-shell*"))
|
||
(window))
|
||
(if (null tex-shell)
|
||
(message "No TeX output buffer")
|
||
(setq window (display-buffer tex-shell))
|
||
(with-selected-window window
|
||
(bury-buffer tex-shell)
|
||
(goto-char (point-max))
|
||
(recenter (if linenum
|
||
(prefix-numeric-value linenum)
|
||
(/ (window-height) 2)))))))
|
||
|
||
(defcustom tex-print-file-extension ".dvi"
|
||
"The TeX-compiled file extension for viewing and printing.
|
||
If you use pdflatex instead of latex, set this to \".pdf\" and modify
|
||
`tex-dvi-view-command' and `tex-dvi-print-command' appropriately."
|
||
:type 'string
|
||
:group 'tex-view
|
||
:version "25.1")
|
||
|
||
(defun tex-print (&optional alt)
|
||
"Print the .dvi file made by \\[tex-region], \\[tex-buffer] or \\[tex-file].
|
||
Runs the shell command defined by `tex-dvi-print-command'. If prefix argument
|
||
is provided, use the alternative command, `tex-alt-dvi-print-command'."
|
||
(interactive "P")
|
||
(let ((print-file-name-dvi (tex-append tex-print-file
|
||
tex-print-file-extension))
|
||
test-name)
|
||
(if (and (not (equal (current-buffer) tex-last-buffer-texed))
|
||
(buffer-file-name)
|
||
;; Check that this buffer's printed file is up to date.
|
||
(file-newer-than-file-p
|
||
(setq test-name (tex-append (buffer-file-name)
|
||
tex-print-file-extension))
|
||
(buffer-file-name)))
|
||
(setq print-file-name-dvi test-name))
|
||
(if (not (file-exists-p print-file-name-dvi))
|
||
(error "No appropriate `.dvi' file could be found")
|
||
(if (tex-shell-running)
|
||
(tex-kill-job)
|
||
(tex-start-shell))
|
||
(tex-send-command
|
||
(if alt tex-alt-dvi-print-command tex-dvi-print-command)
|
||
print-file-name-dvi
|
||
t))))
|
||
|
||
(defun tex-alt-print ()
|
||
"Print the .dvi file made by \\[tex-region], \\[tex-buffer] or \\[tex-file].
|
||
Runs the shell command defined by `tex-alt-dvi-print-command'."
|
||
(interactive)
|
||
(tex-print t))
|
||
|
||
(defun tex-view ()
|
||
"Preview the last `.dvi' file made by running TeX under Emacs.
|
||
This means, made using \\[tex-region], \\[tex-buffer] or \\[tex-file].
|
||
The variable `tex-dvi-view-command' specifies the shell command for preview.
|
||
You must set that variable yourself before using this command,
|
||
because there is no standard value that would generally work."
|
||
(interactive)
|
||
(or tex-dvi-view-command
|
||
(error "You must set `tex-dvi-view-command'"))
|
||
;; Restart the TeX shell if necessary.
|
||
(or (tex-shell-running)
|
||
(tex-start-shell))
|
||
(let ((tex-dvi-print-command (eval tex-dvi-view-command)))
|
||
(tex-print)))
|
||
|
||
(defun tex-append (file-name suffix)
|
||
"Append to FILENAME the suffix SUFFIX, using same algorithm TeX uses.
|
||
Pascal-based TeX scans for the first period, C TeX uses the last.
|
||
No period is retained immediately before SUFFIX,
|
||
so normally SUFFIX starts with one."
|
||
(if (stringp file-name)
|
||
(let ((file (file-name-nondirectory file-name))
|
||
trial-name)
|
||
;; Try splitting on last period.
|
||
;; The first-period split can get fooled when two files
|
||
;; named a.tex and a.b.tex are both tex'd;
|
||
;; the last-period split must be right if it matches at all.
|
||
(setq trial-name
|
||
(concat (file-name-directory file-name)
|
||
(substring file 0
|
||
(string-match "\\.[^.]*$" file))
|
||
suffix))
|
||
(if (or (file-exists-p trial-name)
|
||
(file-exists-p (concat trial-name ".aux"))) ;for BibTeX files
|
||
trial-name
|
||
;; Not found, so split on first period.
|
||
(concat (file-name-directory file-name)
|
||
(substring file 0
|
||
(string-match "\\." file))
|
||
suffix)))
|
||
" "))
|
||
|
||
(defun tex-show-print-queue ()
|
||
"Show the print queue that \\[tex-print] put your job on.
|
||
Runs the shell command defined by `tex-show-queue-command'."
|
||
(interactive)
|
||
(if (tex-shell-running)
|
||
(tex-kill-job)
|
||
(tex-start-shell))
|
||
(tex-send-command tex-show-queue-command)
|
||
(tex-display-shell))
|
||
|
||
(defun tex-bibtex-file ()
|
||
"Run BibTeX on the current buffer's file."
|
||
(interactive)
|
||
(if (tex-shell-running)
|
||
(tex-kill-job)
|
||
(tex-start-shell))
|
||
(let* (shell-dirtrack-verbose
|
||
(source-file (expand-file-name (tex-main-file)))
|
||
(tex-out-file
|
||
(tex-append (file-name-nondirectory source-file) ""))
|
||
(file-dir (file-name-directory source-file)))
|
||
(tex-send-command tex-shell-cd-command file-dir)
|
||
(tex-send-command tex-bibtex-command tex-out-file))
|
||
(tex-display-shell))
|
||
|
||
;;;;
|
||
;;;; LaTeX indentation
|
||
;;;;
|
||
|
||
(defvar tex-indent-allhanging t)
|
||
(defvar tex-indent-arg 4)
|
||
(defvar tex-indent-basic 2)
|
||
(defvar tex-indent-item tex-indent-basic)
|
||
(defvar tex-indent-item-re "\\\\\\(bib\\)?item\\>")
|
||
(defcustom latex-noindent-environments '("document")
|
||
"Environments whose content is not indented by `tex-indent-basic'."
|
||
:type '(repeat string)
|
||
:safe (lambda (x) (not (memq nil (mapcar #'stringp x))))
|
||
:group 'tex-file
|
||
:version "27.1")
|
||
|
||
(defcustom latex-noindent-commands '("emph" "footnote")
|
||
"Commands for which `tex-indent-basic' should not be used."
|
||
:type '(repeat string)
|
||
:safe (lambda (x) (not (memq nil (mapcar #'stringp x))))
|
||
:group 'tex-file
|
||
:version "27.1")
|
||
|
||
(defvar tex-latex-indent-syntax-table
|
||
(let ((st (make-syntax-table tex-mode-syntax-table)))
|
||
(modify-syntax-entry ?$ "." st)
|
||
(modify-syntax-entry ?\( "." st)
|
||
(modify-syntax-entry ?\) "." st)
|
||
st)
|
||
"Syntax table used while computing indentation.")
|
||
|
||
(defun latex-indent (&optional _arg)
|
||
(if (and (eq (get-text-property (if (and (eobp) (bolp))
|
||
(max (point-min) (1- (point)))
|
||
(line-beginning-position))
|
||
'face)
|
||
'tex-verbatim))
|
||
'noindent
|
||
(with-syntax-table tex-latex-indent-syntax-table
|
||
;; TODO: Rather than ignore $, we should try to be more clever about it.
|
||
(let ((indent
|
||
(save-excursion
|
||
(beginning-of-line)
|
||
(latex-find-indent))))
|
||
(if (< indent 0) (setq indent 0))
|
||
(if (<= (current-column) (current-indentation))
|
||
(indent-line-to indent)
|
||
(save-excursion (indent-line-to indent)))))))
|
||
|
||
(defcustom latex-indent-within-escaped-parens nil
|
||
"Non-nil means add extra indent to text within escaped parens.
|
||
When this is non-nil, text within matching pairs of escaped
|
||
parens is indented at the column following the open paren. The
|
||
default value does not add any extra indent thus providing the
|
||
behavior of Emacs 22 and earlier."
|
||
:type 'boolean
|
||
:group 'tex
|
||
:version "23.1")
|
||
|
||
(defun latex-find-indent (&optional virtual)
|
||
"Find the proper indentation of text after point.
|
||
VIRTUAL if non-nil indicates that we're only trying to find the indentation
|
||
in order to determine the indentation of something else.
|
||
There might be text before point."
|
||
(let ((latex-handle-escaped-parens latex-indent-within-escaped-parens))
|
||
(save-excursion
|
||
(skip-chars-forward " \t")
|
||
(or
|
||
;; Stick the first line at column 0.
|
||
(and (= (point-min) (line-beginning-position)) 0)
|
||
;; Trust the current indentation, if such info is applicable.
|
||
(and virtual (save-excursion (skip-chars-backward " \t&") (bolp))
|
||
(current-column))
|
||
;; Stick verbatim environments to the left margin.
|
||
(and (looking-at "\\\\\\(begin\\|end\\) *{\\([^\n}]+\\)")
|
||
(member (match-string 2) tex-verbatim-environments)
|
||
0)
|
||
;; Put leading close-paren where the matching open paren would be.
|
||
(let (escaped)
|
||
(and (or (eq (latex-syntax-after) ?\))
|
||
;; Try to handle escaped close parens but keep
|
||
;; original position if it doesn't work out.
|
||
(and latex-handle-escaped-parens
|
||
(setq escaped (looking-at "\\\\\\([])}]\\)"))))
|
||
(ignore-errors
|
||
(save-excursion
|
||
(when escaped
|
||
(goto-char (match-beginning 1)))
|
||
(latex-skip-close-parens)
|
||
(latex-backward-sexp-1)
|
||
(latex-find-indent 'virtual)))))
|
||
;; Default (maybe an argument)
|
||
(let ((pos (point))
|
||
;; Outdent \item if necessary.
|
||
(indent (if (looking-at tex-indent-item-re) (- tex-indent-item) 0))
|
||
up-list-pos)
|
||
;; Find the previous point which determines our current indentation.
|
||
(condition-case err
|
||
(progn
|
||
(latex-backward-sexp-1)
|
||
(while (> (current-column) (current-indentation))
|
||
(latex-backward-sexp-1)))
|
||
(scan-error
|
||
(setq up-list-pos (nth 2 err))))
|
||
(cond
|
||
((= (point-min) pos) 0) ; We're really just indenting the first line.
|
||
((integerp up-list-pos)
|
||
;; Have to indent relative to the open-paren.
|
||
(goto-char up-list-pos)
|
||
(if (and (not tex-indent-allhanging)
|
||
(save-excursion
|
||
;; Make sure we're an argument to a macro and
|
||
;; that the macro is at the beginning of a line.
|
||
(condition-case nil
|
||
(progn
|
||
(while (eq (char-syntax (char-after)) ?\()
|
||
(forward-sexp -1))
|
||
(and (eq (char-syntax (char-after)) ?/)
|
||
(progn (skip-chars-backward " \t&")
|
||
(bolp))))
|
||
(scan-error nil)))
|
||
(> pos (progn (latex-down-list)
|
||
(forward-comment (point-max))
|
||
(point))))
|
||
;; Align with the first element after the open-paren.
|
||
(current-column)
|
||
;; We're the first element after a hanging brace.
|
||
(goto-char up-list-pos)
|
||
(+ (if (if (eq (char-after) ?\{)
|
||
(save-excursion
|
||
(skip-chars-backward " \t")
|
||
(let ((end (point)))
|
||
(skip-chars-backward "a-zA-Z")
|
||
(and (eq (char-before) ?\\)
|
||
(member (buffer-substring (point) end)
|
||
latex-noindent-commands))))
|
||
(and (looking-at "\\\\begin *{\\([^\n}]+\\)")
|
||
(member (match-string 1)
|
||
latex-noindent-environments)))
|
||
0 tex-indent-basic)
|
||
indent (latex-find-indent 'virtual))))
|
||
;; We're now at the "beginning" of a line.
|
||
((not (and (not virtual) (eq (char-after) ?\\)))
|
||
;; Nothing particular here: just keep the same indentation.
|
||
(+ indent (current-column)))
|
||
;; We're now looking at a macro call.
|
||
((looking-at tex-indent-item-re)
|
||
;; Indenting relative to an item, have to re-add the outdenting.
|
||
(+ indent (current-column) tex-indent-item))
|
||
(t
|
||
(let ((col (current-column)))
|
||
(if (or (not (eq (char-syntax (or (char-after pos) ?\s)) ?\())
|
||
;; Can't be an arg if there's an empty line in between.
|
||
(save-excursion (re-search-forward "^[ \t]*$" pos t)))
|
||
;; If the first char was not an open-paren, there's
|
||
;; a risk that this is really not an argument to the
|
||
;; macro at all.
|
||
(+ indent col)
|
||
(forward-sexp 1)
|
||
(if (< (line-end-position)
|
||
(save-excursion (forward-comment (point-max))
|
||
(point)))
|
||
;; we're indenting the first argument.
|
||
(min (current-column) (+ tex-indent-arg col))
|
||
(skip-syntax-forward " ")
|
||
(current-column)))))))))))
|
||
;;; DocTeX support
|
||
|
||
(defun doctex-font-lock-^^A ()
|
||
(if (eq (char-after (line-beginning-position)) ?\%)
|
||
(progn
|
||
(put-text-property
|
||
(1- (match-beginning 1)) (match-beginning 1)
|
||
'syntax-table
|
||
(if (= (1+ (line-beginning-position)) (match-beginning 1))
|
||
;; The `%' is a single-char comment, which Emacs
|
||
;; syntax-table can't deal with. We could turn it
|
||
;; into a non-comment, or use `\n%' or `%^' as the comment.
|
||
;; Instead, we include it in the ^^A comment.
|
||
(string-to-syntax "< b")
|
||
(string-to-syntax ">")))
|
||
(let ((end (line-end-position)))
|
||
(if (< end (point-max))
|
||
(put-text-property
|
||
end (1+ end)
|
||
'syntax-table
|
||
(string-to-syntax "> b"))))
|
||
(string-to-syntax "< b"))))
|
||
|
||
(defun doctex-font-lock-syntactic-face-function (state)
|
||
;; Mark DocTeX documentation, which is parsed as a style A comment
|
||
;; starting in column 0.
|
||
(if (or (nth 3 state) (nth 7 state)
|
||
(not (memq (char-before (nth 8 state))
|
||
'(?\n nil))))
|
||
;; Anything else is just as for LaTeX.
|
||
(tex-font-lock-syntactic-face-function state)
|
||
font-lock-doc-face))
|
||
|
||
(eval-when-compile
|
||
(defconst doctex-syntax-propertize-rules
|
||
(syntax-propertize-precompile-rules
|
||
latex-syntax-propertize-rules
|
||
;; For DocTeX comment-in-doc.
|
||
("\\(\\^\\)\\^A" (1 (doctex-font-lock-^^A))))))
|
||
|
||
(defvar doctex-font-lock-keywords
|
||
(append tex-font-lock-keywords
|
||
'(("^%<[^>]*>" (0 font-lock-preprocessor-face t)))))
|
||
|
||
;;;###autoload
|
||
(define-derived-mode doctex-mode latex-mode "DocTeX"
|
||
"Major mode to edit DocTeX files."
|
||
(setq font-lock-defaults
|
||
(cons (append (car font-lock-defaults) '(doctex-font-lock-keywords))
|
||
(mapcar
|
||
(lambda (x)
|
||
(pcase (car-safe x)
|
||
('font-lock-syntactic-face-function
|
||
(cons (car x) #'doctex-font-lock-syntactic-face-function))
|
||
(_ x)))
|
||
(cdr font-lock-defaults))))
|
||
(setq-local syntax-propertize-function
|
||
(syntax-propertize-rules doctex-syntax-propertize-rules)))
|
||
|
||
;;; Prettify Symbols Support
|
||
|
||
(defvar tex--prettify-symbols-alist
|
||
'( ;; Lowercase Greek letters.
|
||
("\\alpha" . ?α)
|
||
("\\beta" . ?β)
|
||
("\\gamma" . ?γ)
|
||
("\\delta" . ?δ)
|
||
("\\epsilon" . ?ϵ)
|
||
("\\zeta" . ?ζ)
|
||
("\\eta" . ?η)
|
||
("\\theta" . ?θ)
|
||
("\\iota" . ?ι)
|
||
("\\kappa" . ?κ)
|
||
("\\lambda" . ?λ)
|
||
("\\mu" . ?μ)
|
||
("\\nu" . ?ν)
|
||
("\\xi" . ?ξ)
|
||
;; There is no \omicron because it looks like a latin o.
|
||
("\\pi" . ?π)
|
||
("\\rho" . ?ρ)
|
||
("\\sigma" . ?σ)
|
||
("\\tau" . ?τ)
|
||
("\\upsilon" . ?υ)
|
||
("\\phi" . ?ϕ)
|
||
("\\chi" . ?χ)
|
||
("\\psi" . ?ψ)
|
||
("\\omega" . ?ω)
|
||
;; Uppercase Greek letters.
|
||
("\\Gamma" . ?Γ)
|
||
("\\Delta" . ?Δ)
|
||
("\\Lambda" . ?Λ)
|
||
("\\Phi" . ?Φ)
|
||
("\\Pi" . ?Π)
|
||
("\\Psi" . ?Ψ)
|
||
("\\Sigma" . ?Σ)
|
||
("\\Theta" . ?Θ)
|
||
("\\Upsilon" . ?Υ)
|
||
("\\Xi" . ?Ξ)
|
||
("\\Omega" . ?Ω)
|
||
|
||
;; Other math symbols (taken from leim/quail/latin-ltx.el).
|
||
("\\Box" . ?□)
|
||
("\\Bumpeq" . ?≎)
|
||
("\\Cap" . ?⋒)
|
||
("\\Cup" . ?⋓)
|
||
("\\Diamond" . ?◇)
|
||
("\\Downarrow" . ?⇓)
|
||
("\\H{o}" . ?ő)
|
||
("\\Im" . ?ℑ)
|
||
("\\Join" . ?⋈)
|
||
("\\Leftarrow" . ?⇐)
|
||
("\\Leftrightarrow" . ?⇔)
|
||
("\\Ll" . ?⋘)
|
||
("\\Lleftarrow" . ?⇚)
|
||
("\\Longleftarrow" . ?⇐)
|
||
("\\Longleftrightarrow" . ?⇔)
|
||
("\\Longrightarrow" . ?⇒)
|
||
("\\Lsh" . ?↰)
|
||
("\\Re" . ?ℜ)
|
||
("\\Rightarrow" . ?⇒)
|
||
("\\Rrightarrow" . ?⇛)
|
||
("\\Rsh" . ?↱)
|
||
("\\Subset" . ?⋐)
|
||
("\\Supset" . ?⋑)
|
||
("\\Uparrow" . ?⇑)
|
||
("\\Updownarrow" . ?⇕)
|
||
("\\Vdash" . ?⊩)
|
||
("\\Vert" . ?‖)
|
||
("\\Vvdash" . ?⊪)
|
||
("\\aleph" . ?ℵ)
|
||
("\\amalg" . ?∐)
|
||
("\\angle" . ?∠)
|
||
("\\approx" . ?≈)
|
||
("\\approxeq" . ?≊)
|
||
("\\ast" . ?∗)
|
||
("\\asymp" . ?≍)
|
||
("\\backcong" . ?≌)
|
||
("\\backepsilon" . ?∍)
|
||
("\\backprime" . ?‵)
|
||
("\\backsim" . ?∽)
|
||
("\\backsimeq" . ?⋍)
|
||
("\\backslash" . ?\\)
|
||
("\\barwedge" . ?⊼)
|
||
("\\because" . ?∵)
|
||
("\\beth" . ?ℶ)
|
||
("\\between" . ?≬)
|
||
("\\bigcap" . ?⋂)
|
||
("\\bigcirc" . ?◯)
|
||
("\\bigcup" . ?⋃)
|
||
("\\bigstar" . ?★)
|
||
("\\bigtriangledown" . ?▽)
|
||
("\\bigtriangleup" . ?△)
|
||
("\\bigvee" . ?⋁)
|
||
("\\bigwedge" . ?⋀)
|
||
("\\blacklozenge" . ?✦)
|
||
("\\blacksquare" . ?▪)
|
||
("\\blacktriangle" . ?▴)
|
||
("\\blacktriangledown" . ?▾)
|
||
("\\blacktriangleleft" . ?◂)
|
||
("\\blacktriangleright" . ?▸)
|
||
("\\bot" . ?⊥)
|
||
("\\bowtie" . ?⋈)
|
||
("\\boxminus" . ?⊟)
|
||
("\\boxplus" . ?⊞)
|
||
("\\boxtimes" . ?⊠)
|
||
("\\bullet" . ?•)
|
||
("\\bumpeq" . ?≏)
|
||
("\\cap" . ?∩)
|
||
("\\cdots" . ?⋯)
|
||
("\\centerdot" . ?·)
|
||
("\\checkmark" . ?✓)
|
||
("\\chi" . ?χ)
|
||
("\\cdot" . ?⋅)
|
||
("\\cdots" . ?⋯)
|
||
("\\circ" . ?∘)
|
||
("\\circeq" . ?≗)
|
||
("\\circlearrowleft" . ?↺)
|
||
("\\circlearrowright" . ?↻)
|
||
("\\circledR" . ?®)
|
||
("\\circledS" . ?Ⓢ)
|
||
("\\circledast" . ?⊛)
|
||
("\\circledcirc" . ?⊚)
|
||
("\\circleddash" . ?⊝)
|
||
("\\clubsuit" . ?♣)
|
||
("\\coloneq" . ?≔)
|
||
("\\complement" . ?∁)
|
||
("\\cong" . ?≅)
|
||
("\\coprod" . ?∐)
|
||
("\\cup" . ?∪)
|
||
("\\curlyeqprec" . ?⋞)
|
||
("\\curlyeqsucc" . ?⋟)
|
||
("\\curlypreceq" . ?≼)
|
||
("\\curlyvee" . ?⋎)
|
||
("\\curlywedge" . ?⋏)
|
||
("\\curvearrowleft" . ?↶)
|
||
("\\curvearrowright" . ?↷)
|
||
("\\dag" . ?†)
|
||
("\\dagger" . ?†)
|
||
("\\daleth" . ?ℸ)
|
||
("\\dashv" . ?⊣)
|
||
("\\ddag" . ?‡)
|
||
("\\ddagger" . ?‡)
|
||
("\\ddots" . ?⋱)
|
||
("\\diamond" . ?⋄)
|
||
("\\diamondsuit" . ?♢)
|
||
("\\divideontimes" . ?⋇)
|
||
("\\doteq" . ?≐)
|
||
("\\doteqdot" . ?≑)
|
||
("\\dotplus" . ?∔)
|
||
("\\dotsquare" . ?⊡)
|
||
("\\downarrow" . ?↓)
|
||
("\\downdownarrows" . ?⇊)
|
||
("\\downleftharpoon" . ?⇃)
|
||
("\\downrightharpoon" . ?⇂)
|
||
("\\ell" . ?ℓ)
|
||
("\\emptyset" . ?∅)
|
||
("\\eqcirc" . ?≖)
|
||
("\\eqcolon" . ?≕)
|
||
("\\eqslantgtr" . ?⋝)
|
||
("\\eqslantless" . ?⋜)
|
||
("\\equiv" . ?≡)
|
||
("\\exists" . ?∃)
|
||
("\\fallingdotseq" . ?≒)
|
||
("\\flat" . ?♭)
|
||
("\\forall" . ?∀)
|
||
("\\frown" . ?⌢)
|
||
("\\ge" . ?≥)
|
||
("\\geq" . ?≥)
|
||
("\\geqq" . ?≧)
|
||
("\\geqslant" . ?≥)
|
||
("\\gets" . ?←)
|
||
("\\gg" . ?≫)
|
||
("\\ggg" . ?⋙)
|
||
("\\gimel" . ?ℷ)
|
||
("\\gnapprox" . ?⋧)
|
||
("\\gneq" . ?≩)
|
||
("\\gneqq" . ?≩)
|
||
("\\gnsim" . ?⋧)
|
||
("\\gtrapprox" . ?≳)
|
||
("\\gtrdot" . ?⋗)
|
||
("\\gtreqless" . ?⋛)
|
||
("\\gtreqqless" . ?⋛)
|
||
("\\gtrless" . ?≷)
|
||
("\\gtrsim" . ?≳)
|
||
("\\gvertneqq" . ?≩)
|
||
("\\hbar" . ?ℏ)
|
||
("\\heartsuit" . ?♥)
|
||
("\\hookleftarrow" . ?↩)
|
||
("\\hookrightarrow" . ?↪)
|
||
("\\iff" . ?⇔)
|
||
("\\imath" . ?ı)
|
||
("\\in" . ?∈)
|
||
("\\infty" . ?∞)
|
||
("\\int" . ?∫)
|
||
("\\intercal" . ?⊺)
|
||
("\\langle" . 10216) ; Literal ?⟨ breaks indentation.
|
||
("\\lbrace" . ?{)
|
||
("\\lbrack" . ?\[)
|
||
("\\lceil" . ?⌈)
|
||
("\\ldots" . ?…)
|
||
("\\le" . ?≤)
|
||
("\\leadsto" . ?↝)
|
||
("\\leftarrow" . ?←)
|
||
("\\leftarrowtail" . ?↢)
|
||
("\\leftharpoondown" . ?↽)
|
||
("\\leftharpoonup" . ?↼)
|
||
("\\leftleftarrows" . ?⇇)
|
||
;; ("\\leftparengtr" ?〈), see bug#12948.
|
||
("\\leftrightarrow" . ?↔)
|
||
("\\leftrightarrows" . ?⇆)
|
||
("\\leftrightharpoons" . ?⇋)
|
||
("\\leftrightsquigarrow" . ?↭)
|
||
("\\leftthreetimes" . ?⋋)
|
||
("\\leq" . ?≤)
|
||
("\\leqq" . ?≦)
|
||
("\\leqslant" . ?≤)
|
||
("\\lessapprox" . ?≲)
|
||
("\\lessdot" . ?⋖)
|
||
("\\lesseqgtr" . ?⋚)
|
||
("\\lesseqqgtr" . ?⋚)
|
||
("\\lessgtr" . ?≶)
|
||
("\\lesssim" . ?≲)
|
||
("\\lfloor" . ?⌊)
|
||
("\\lhd" . ?◁)
|
||
("\\rhd" . ?▷)
|
||
("\\ll" . ?≪)
|
||
("\\llcorner" . ?⌞)
|
||
("\\lnapprox" . ?⋦)
|
||
("\\lneq" . ?≨)
|
||
("\\lneqq" . ?≨)
|
||
("\\lnsim" . ?⋦)
|
||
("\\longleftarrow" . ?←)
|
||
("\\longleftrightarrow" . ?↔)
|
||
("\\longmapsto" . ?↦)
|
||
("\\longrightarrow" . ?→)
|
||
("\\looparrowleft" . ?↫)
|
||
("\\looparrowright" . ?↬)
|
||
("\\lozenge" . ?✧)
|
||
("\\lq" . ?‘)
|
||
("\\lrcorner" . ?⌟)
|
||
("\\ltimes" . ?⋉)
|
||
("\\lvertneqq" . ?≨)
|
||
("\\maltese" . ?✠)
|
||
("\\mapsto" . ?↦)
|
||
("\\measuredangle" . ?∡)
|
||
("\\mho" . ?℧)
|
||
("\\mid" . ?∣)
|
||
("\\models" . ?⊧)
|
||
("\\mp" . ?∓)
|
||
("\\multimap" . ?⊸)
|
||
("\\nLeftarrow" . ?⇍)
|
||
("\\nLeftrightarrow" . ?⇎)
|
||
("\\nRightarrow" . ?⇏)
|
||
("\\nVDash" . ?⊯)
|
||
("\\nVdash" . ?⊮)
|
||
("\\nabla" . ?∇)
|
||
("\\napprox" . ?≉)
|
||
("\\natural" . ?♮)
|
||
("\\ncong" . ?≇)
|
||
("\\ne" . ?≠)
|
||
("\\nearrow" . ?↗)
|
||
("\\neg" . ?¬)
|
||
("\\neq" . ?≠)
|
||
("\\nequiv" . ?≢)
|
||
("\\newline" . ?
)
|
||
("\\nexists" . ?∄)
|
||
("\\ngeq" . ?≱)
|
||
("\\ngeqq" . ?≱)
|
||
("\\ngeqslant" . ?≱)
|
||
("\\ngtr" . ?≯)
|
||
("\\ni" . ?∋)
|
||
("\\nleftarrow" . ?↚)
|
||
("\\nleftrightarrow" . ?↮)
|
||
("\\nleq" . ?≰)
|
||
("\\nleqq" . ?≰)
|
||
("\\nleqslant" . ?≰)
|
||
("\\nless" . ?≮)
|
||
("\\nmid" . ?∤)
|
||
;; ("\\not" ?̸) ;FIXME: conflict with "NOT SIGN" ¬.
|
||
("\\notin" . ?∉)
|
||
("\\nparallel" . ?∦)
|
||
("\\nprec" . ?⊀)
|
||
("\\npreceq" . ?⋠)
|
||
("\\nrightarrow" . ?↛)
|
||
("\\nshortmid" . ?∤)
|
||
("\\nshortparallel" . ?∦)
|
||
("\\nsim" . ?≁)
|
||
("\\nsimeq" . ?≄)
|
||
("\\nsubset" . ?⊄)
|
||
("\\nsubseteq" . ?⊈)
|
||
("\\nsubseteqq" . ?⊈)
|
||
("\\nsucc" . ?⊁)
|
||
("\\nsucceq" . ?⋡)
|
||
("\\nsupset" . ?⊅)
|
||
("\\nsupseteq" . ?⊉)
|
||
("\\nsupseteqq" . ?⊉)
|
||
("\\ntriangleleft" . ?⋪)
|
||
("\\ntrianglelefteq" . ?⋬)
|
||
("\\ntriangleright" . ?⋫)
|
||
("\\ntrianglerighteq" . ?⋭)
|
||
("\\nvDash" . ?⊭)
|
||
("\\nvdash" . ?⊬)
|
||
("\\nwarrow" . ?↖)
|
||
("\\odot" . ?⊙)
|
||
("\\oint" . ?∮)
|
||
("\\ominus" . ?⊖)
|
||
("\\oplus" . ?⊕)
|
||
("\\oslash" . ?⊘)
|
||
("\\otimes" . ?⊗)
|
||
("\\par" . ?
)
|
||
("\\parallel" . ?∥)
|
||
("\\partial" . ?∂)
|
||
("\\perp" . ?⊥)
|
||
("\\pitchfork" . ?⋔)
|
||
("\\prec" . ?≺)
|
||
("\\precapprox" . ?≾)
|
||
("\\preceq" . ?≼)
|
||
("\\precnapprox" . ?⋨)
|
||
("\\precnsim" . ?⋨)
|
||
("\\precsim" . ?≾)
|
||
("\\prime" . ?′)
|
||
("\\prod" . ?∏)
|
||
("\\propto" . ?∝)
|
||
("\\qed" . ?∎)
|
||
("\\qquad" . ?⧢)
|
||
("\\quad" . ?␣)
|
||
("\\rangle" . 10217) ; Literal ?⟩ breaks indentation.
|
||
("\\rbrace" . ?})
|
||
("\\rbrack" . ?\])
|
||
("\\rceil" . ?⌉)
|
||
("\\rfloor" . ?⌋)
|
||
("\\rightarrow" . ?→)
|
||
("\\rightarrowtail" . ?↣)
|
||
("\\rightharpoondown" . ?⇁)
|
||
("\\rightharpoonup" . ?⇀)
|
||
("\\rightleftarrows" . ?⇄)
|
||
("\\rightleftharpoons" . ?⇌)
|
||
;; ("\\rightparengtr" ?⦔) ;; Was ?〉, see bug#12948.
|
||
("\\rightrightarrows" . ?⇉)
|
||
("\\rightthreetimes" . ?⋌)
|
||
("\\risingdotseq" . ?≓)
|
||
("\\rtimes" . ?⋊)
|
||
("\\times" . ?×)
|
||
("\\sbs" . ?﹨)
|
||
("\\searrow" . ?↘)
|
||
("\\setminus" . ?∖)
|
||
("\\sharp" . ?♯)
|
||
("\\shortmid" . ?∣)
|
||
("\\shortparallel" . ?∥)
|
||
("\\sim" . ?∼)
|
||
("\\simeq" . ?≃)
|
||
("\\smallamalg" . ?∐)
|
||
("\\smallsetminus" . ?∖)
|
||
("\\smallsmile" . ?⌣)
|
||
("\\smile" . ?⌣)
|
||
("\\spadesuit" . ?♠)
|
||
("\\sphericalangle" . ?∢)
|
||
("\\sqcap" . ?⊓)
|
||
("\\sqcup" . ?⊔)
|
||
("\\sqsubset" . ?⊏)
|
||
("\\sqsubseteq" . ?⊑)
|
||
("\\sqsupset" . ?⊐)
|
||
("\\sqsupseteq" . ?⊒)
|
||
("\\square" . ?□)
|
||
("\\squigarrowright" . ?⇝)
|
||
("\\star" . ?⋆)
|
||
("\\straightphi" . ?φ)
|
||
("\\subset" . ?⊂)
|
||
("\\subseteq" . ?⊆)
|
||
("\\subseteqq" . ?⊆)
|
||
("\\subsetneq" . ?⊊)
|
||
("\\subsetneqq" . ?⊊)
|
||
("\\succ" . ?≻)
|
||
("\\succapprox" . ?≿)
|
||
("\\succcurlyeq" . ?≽)
|
||
("\\succeq" . ?≽)
|
||
("\\succnapprox" . ?⋩)
|
||
("\\succnsim" . ?⋩)
|
||
("\\succsim" . ?≿)
|
||
("\\sum" . ?∑)
|
||
("\\supset" . ?⊃)
|
||
("\\supseteq" . ?⊇)
|
||
("\\supseteqq" . ?⊇)
|
||
("\\supsetneq" . ?⊋)
|
||
("\\supsetneqq" . ?⊋)
|
||
("\\surd" . ?√)
|
||
("\\swarrow" . ?↙)
|
||
("\\therefore" . ?∴)
|
||
("\\thickapprox" . ?≈)
|
||
("\\thicksim" . ?∼)
|
||
("\\to" . ?→)
|
||
("\\top" . ?⊤)
|
||
("\\triangle" . ?▵)
|
||
("\\triangledown" . ?▿)
|
||
("\\triangleleft" . ?◃)
|
||
("\\trianglelefteq" . ?⊴)
|
||
("\\triangleq" . ?≜)
|
||
("\\triangleright" . ?▹)
|
||
("\\trianglerighteq" . ?⊵)
|
||
("\\twoheadleftarrow" . ?↞)
|
||
("\\twoheadrightarrow" . ?↠)
|
||
("\\ulcorner" . ?⌜)
|
||
("\\uparrow" . ?↑)
|
||
("\\updownarrow" . ?↕)
|
||
("\\upleftharpoon" . ?↿)
|
||
("\\uplus" . ?⊎)
|
||
("\\uprightharpoon" . ?↾)
|
||
("\\upuparrows" . ?⇈)
|
||
("\\urcorner" . ?⌝)
|
||
("\\u{i}" . ?ĭ)
|
||
("\\vDash" . ?⊨)
|
||
("\\varepsilon" . ?ε)
|
||
("\\varphi" . ?φ)
|
||
("\\varprime" . ?′)
|
||
("\\varpropto" . ?∝)
|
||
("\\varrho" . ?ϱ)
|
||
("\\varsigma" ?ς)
|
||
("\\vartriangleleft" . ?⊲)
|
||
("\\vartriangleright" . ?⊳)
|
||
("\\vdash" . ?⊢)
|
||
("\\vdots" . ?⋮)
|
||
("\\vee" . ?∨)
|
||
("\\veebar" . ?⊻)
|
||
("\\vert" . ?|)
|
||
("\\wedge" . ?∧)
|
||
("\\wp" . ?℘)
|
||
("\\wr" . ?≀)
|
||
("\\Bbb{N}" . ?ℕ) ; AMS commands for blackboard bold
|
||
("\\Bbb{P}" . ?ℙ) ; Also sometimes \mathbb.
|
||
("\\Bbb{Q}" . ?ℚ)
|
||
("\\Bbb{R}" . ?ℝ)
|
||
("\\Bbb{Z}" . ?ℤ)
|
||
("--" . ?–)
|
||
("---" . ?—)
|
||
("\\ordfeminine" . ?ª)
|
||
("\\ordmasculine" . ?º)
|
||
("\\lambdabar" . ?ƛ)
|
||
("\\celsius" . ?℃)
|
||
("\\textmu" . ?µ)
|
||
("\\textfractionsolidus" . ?⁄)
|
||
("\\textbigcircle" . ?⃝)
|
||
("\\textmusicalnote" . ?♪)
|
||
("\\textdied" . ?✝)
|
||
("\\textcolonmonetary" . ?₡)
|
||
("\\textwon" . ?₩)
|
||
("\\textnaira" . ?₦)
|
||
("\\textpeso" . ?₱)
|
||
("\\textlira" . ?₤)
|
||
("\\textrecipe" . ?℞)
|
||
("\\textinterrobang" . ?‽)
|
||
("\\textpertenthousand" . ?‱)
|
||
("\\textbaht" . ?฿)
|
||
("\\textnumero" . ?№)
|
||
("\\textdiscount" . ?⁒)
|
||
("\\textestimated" . ?℮)
|
||
("\\textopenbullet" . ?◦)
|
||
("\\textlquill" . 8261) ; Literal ?⁅ breaks indentation.
|
||
("\\textrquill" . 8262) ; Literal ?⁆ breaks indentation.
|
||
("\\textcircledP" . ?℗)
|
||
("\\textreferencemark" . ?※))
|
||
"A `prettify-symbols-alist' usable for (La)TeX modes.")
|
||
|
||
(defun tex--prettify-symbols-compose-p (_start end _match)
|
||
(or
|
||
;; If the matched symbol doesn't end in a word character, then we
|
||
;; simply allow composition. The symbol is probably something like
|
||
;; \|, \(, etc.
|
||
(not (eq ?w (char-syntax (char-before end))))
|
||
;; Else we look at what follows the match in order to decide.
|
||
(let* ((after-char (char-after end))
|
||
(after-syntax (char-syntax after-char)))
|
||
(not (or
|
||
;; Don't compose \alpha@foo.
|
||
(eq after-char ?@)
|
||
;; The \alpha in \alpha2 or \alpha-\beta may be composed but
|
||
;; of course \alphax may not.
|
||
(and (eq after-syntax ?w)
|
||
(not (memq after-char
|
||
'(?0 ?1 ?2 ?3 ?4 ?5 ?6 ?7 ?8 ?9 ?+ ?- ?' ?\"))))
|
||
;; Don't compose inside verbatim blocks.
|
||
(eq 2 (nth 7 (syntax-ppss))))))))
|
||
|
||
|
||
;;; Flymake support
|
||
|
||
(defvar-local tex-chktex--process nil)
|
||
|
||
(defun tex-chktex-command ()
|
||
"Return a list of command arguments for invoking ChkTeX."
|
||
`(,tex-chktex-program ,@tex-chktex-extra-flags
|
||
"--quiet" "--verbosity=0" "--inputfiles"))
|
||
|
||
(defun tex-chktex (report-fn &rest _args)
|
||
"Flymake backend for linting TeX buffers with ChkTeX."
|
||
(unless (executable-find tex-chktex-program)
|
||
(error "Cannot find a suitable TeX checker"))
|
||
(when (process-live-p tex-chktex--process)
|
||
(kill-process tex-chktex--process))
|
||
(let ((source (current-buffer))
|
||
(re "^stdin:\\([0-9]+\\):\\([0-9]+\\):\\([0-9]+\\):\\(.*\\)$"))
|
||
(save-restriction
|
||
(widen)
|
||
(setq tex-chktex--process
|
||
(make-process
|
||
:name "tex-chktex"
|
||
:buffer (generate-new-buffer "*tex-chktex*")
|
||
:command (tex-chktex-command)
|
||
:noquery t :connection-type 'pipe
|
||
:sentinel
|
||
(lambda (process _event)
|
||
(when (eq (process-status process) 'exit)
|
||
(unwind-protect
|
||
(when (eq process
|
||
(with-current-buffer source tex-chktex--process))
|
||
(with-current-buffer (process-buffer process)
|
||
(goto-char (point-min))
|
||
(cl-loop
|
||
while (search-forward-regexp re nil t)
|
||
for msg = (match-string 4)
|
||
for line = (string-to-number (match-string 1))
|
||
for col = (string-to-number (match-string 2))
|
||
for (beg . end) = (flymake-diag-region source line col)
|
||
collect (flymake-make-diagnostic source beg end :warning msg)
|
||
into diags
|
||
finally (funcall report-fn diags))))
|
||
(kill-buffer (process-buffer process)))))))
|
||
(process-send-region tex-chktex--process (point-min) (point-max))
|
||
(process-send-eof tex-chktex--process))))
|
||
|
||
(run-hooks 'tex-mode-load-hook)
|
||
|
||
(provide 'tex-mode)
|
||
|
||
;;; tex-mode.el ends here
|