Flycheck syntax checker for Lua using luacheck

flycheck-luacheck.el

;;; flycheck-luacheck.el --- Flycheck syntax checker using luacheck  -*- lexical-binding: t; -*-

;; Copyright (C) 2015  Peter Vasil

;; Author: Peter Vasil <mail@petervasil.net>
;; Keywords:

;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.

;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;; GNU General Public License for more details.

;; You should have received a copy of the GNU General Public License
;; along with this program.  If not, see <http://www.gnu.org/licenses/>.

;;; Commentary:

;; Flycheck syntax checker for Lua using luacheck.

;;; Code:

(require 'flycheck)

(flycheck-def-config-file-var flycheck-luacheckrc luacheck ".luacheckrc"
  :safe #'stringp
  :package-version '(flycheck . "0.23"))

(flycheck-define-checker luacheck
  "A Lua syntax checker using luacheck.

See URL `https://github.com/mpeterv/luacheck'."
  :command ("luacheck"
            (config-file "--config" flycheck-luacheckrc)
            "--formatter" "plain"
            "--codes"                   ; Show warning codes
            "--no-color"
            source)
  :error-patterns
  ((warning line-start (file-name)
            ":" line ":" column ": (" (id (and "W" (one-or-more digit)))
            ") " (message) line-end)
   (error line-start (file-name)
          ":" line ":" column ":" (message) line-end))
  :modes lua-mode)

;;;###autoload
(defun flycheck-luacheck-setup ()
  "Setup flycheck-luacheck."
  (add-to-list 'flycheck-checkers 'luacheck))

(provide 'flycheck-luacheck)
;;; flycheck-luacheck.el ends here