105 lines
4.2 KiB
EmacsLisp
105 lines
4.2 KiB
EmacsLisp
;;; latex-flymake.el --- Flymake integration -*- lexical-binding: t; -*-
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;; Copyright (C), 2018 Free Software Foundation, Inc.
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;; Author: Alex Branham <branham@utexas.edu>
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;; Maintainer: auctex-devel@gnu.org
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;; Created: 2018-02-11
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;; Keywords: tex
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;; This file is part of AUCTeX.
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;; AUCTeX is free software; you can redistribute it and/or modify it
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;; under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 3, or (at your option)
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;; any later version.
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;; AUCTeX is distributed in the hope that it will be useful, but
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;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;; 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 AUCTeX; see the file COPYING. If not, write to the Free
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;; Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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;; 02110-1301, USA.
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;;; Commentary:
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;; This file provides flymake integration for latex documents using
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;; "chktex" as a backend. You must be running Emacs 26 or newer.
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;; Enable it by adding the following to your init file:
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;; (add-hook 'LaTeX-mode-hook #'flymake-mode)
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;;; Code:
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(eval-when-compile
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(require 'cl-lib))
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(require 'flymake)
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(defvar-local LaTeX--flymake-proc nil)
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(defun LaTeX-flymake (report-fn &rest _args)
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"Setup flymake integration.
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REPORT-FN is flymake's callback function."
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(unless (executable-find "chktex")
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(error "Cannot find chktex"))
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(when (process-live-p LaTeX--flymake-proc)
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(kill-process LaTeX--flymake-proc))
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(let ((source (current-buffer)))
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(save-restriction
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(widen)
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(setq
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LaTeX--flymake-proc
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(make-process
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:name "LaTeX-flymake" :noquery t :connection-type 'pipe
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:buffer (generate-new-buffer " *LaTeX-flymake*")
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:command '("chktex" "--verbosity=0" "--quiet" "--inputfiles")
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:sentinel
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(lambda (proc _event)
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(when (eq 'exit (process-status proc))
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(unwind-protect
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(if (with-current-buffer source (eq proc LaTeX--flymake-proc))
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(with-current-buffer (process-buffer proc)
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(goto-char (point-min))
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(cl-loop
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while (search-forward-regexp
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(rx line-start "stdin:"
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;; line
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(group-n 1 (one-or-more num))
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":"
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;; column
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(group-n 2 (one-or-more num))
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":"
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;; This is information about the
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;; number of the warning, which we
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;; probably don't care about:
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(one-or-more num)
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":"
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;; Warning message:
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(group-n 3 (one-or-more not-newline)) line-end)
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nil t)
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for msg = (match-string 3)
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for (beg . end) = (flymake-diag-region
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source
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(string-to-number (match-string 1))
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(string-to-number (match-string 2)))
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for type = :warning
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collect (flymake-make-diagnostic source
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beg
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end
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type
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msg)
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into diags
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finally (funcall report-fn diags)))
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(flymake-log :warning "Canceling obsolete check %s"
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proc))
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(kill-buffer (process-buffer proc)))))))
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(process-send-region LaTeX--flymake-proc (point-min) (point-max))
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(process-send-eof LaTeX--flymake-proc))))
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(provide 'latex-flymake)
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;;; latex-flymake.el ends here
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