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lsp-rubocop.el (2147B)

      1 ;;; lsp-rubocop.el --- lsp-mode for RuboCop  -*- lexical-binding: t; -*-
      2 
      3 ;; Copyright (C) 2023  Koichi Ito
      4 
      5 ;; Author: Koichi Ito <koic.ito@gmail.com>
      6 ;; Keywords: lsp, ruby, languages
      7 
      8 ;; This program is free software; you can redistribute it and/or modify
      9 ;; it under the terms of the GNU General Public License as published by
     10 ;; the Free Software Foundation, either version 3 of the License, or
     11 ;; (at your option) any later version.
     12 
     13 ;; This program is distributed in the hope that it will be useful,
     14 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
     15 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     16 ;; GNU General Public License for more details.
     17 
     18 ;; You should have received a copy of the GNU General Public License
     19 ;; along with this program.  If not, see <https://www.gnu.org/licenses/>.
     20 
     21 ;;; Commentary:
     22 
     23 ;; LSP client for RuboCop which is a Ruby static code analyzer (a.k.a. linter)
     24 ;; and code formatter.
     25 
     26 ;;; Code:
     27 
     28 (require 'lsp-mode)
     29 
     30 (defgroup lsp-rubocop nil
     31   "LSP support for RuboCop, using the RuboCop built-in language server."
     32   :group 'lsp-mode
     33   :link '(url-link "https://github.com/rubocop/rubocop")
     34   :package-version '(lsp-mode . "9.0.0"))
     35 
     36 (defcustom lsp-rubocop-use-bundler nil
     37   "Run RuboCop using Bundler."
     38   :type 'boolean
     39   :safe #'booleanp
     40   :group 'lsp-rubocop
     41   :package-version '(lsp-mode . "9.0.0"))
     42 
     43 (defcustom lsp-rubocop-server-path nil
     44   "Path of the RuboCop built-in language server executable.
     45 If specified, `lsp-rubocop-use-bundler' is ignored."
     46   :type 'file
     47   :group 'lsp-rubocop
     48   :package-version '(lsp-mode . "9.0.0"))
     49 
     50 (defun lsp-rubocop--build-command ()
     51   "Build a command to start the RuboCop built-in language server."
     52   (append
     53    (if (and lsp-rubocop-use-bundler (not lsp-rubocop-server-path)) '("bundle" "exec"))
     54    (list (or lsp-rubocop-server-path "rubocop") "--lsp")))
     55 
     56 (lsp-register-client
     57  (make-lsp-client
     58   :new-connection (lsp-stdio-connection #'lsp-rubocop--build-command)
     59   :activation-fn (lsp-activate-on "ruby")
     60   :priority -1
     61   :server-id 'rubocop-ls))
     62 
     63 (lsp-consistency-check lsp-rubocop)
     64 
     65 (provide 'lsp-rubocop)
     66 ;;; lsp-rubocop.el ends here