emacs/code/elpa/lsp-mode-20240727.1013/lsp-yang.el
2024-07-28 12:03:37 -04:00

123 lines
4.2 KiB
EmacsLisp

;;; lsp-yang.el --- YANG Client settings -*- lexical-binding: t; -*-
;; Copyright (C) 2024 Siddharth Sharma
;; Author: Siddharth Sharma <siddharth.sharma@ericsson.com>
;; Keywords: languages, yang, lsp
;; 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 <https://www.gnu.org/licenses/>.
;;; Commentary:
;; LSP support for YANG using using an external language server. Currently
;; the supported server is:
;;
;; yang-lsp (yls).
;; See https://github.com/TypeFox/yang-lsp/blob/master/docs/Settings.md
;; for setting up the user/project/workspace files.
;;; Code:
(require 'lsp-mode)
(defgroup lsp-yang nil
"LSP support for the YANG data modeling language using yang-lsp server."
:group 'lsp-yang
:link '(url-link "https://github.com/TypeFox/yang-lsp"))
(defcustom lsp-yang-yls-version "0.7.6"
"yang-lsp server version to download.
It has to be set before `lsp-yang.el' is loaded and it has to
be available here: https://github.com/TypeFox/yang-lsp/releases/"
:type 'string
:group 'lsp-yang
:package-version '(lsp-mode . "9.0.0"))
(add-to-list 'auto-mode-alist '("^yang\\.settings$" . jsonc-mode))
(defcustom lsp-yang-yls-settings-schema-url
(format "https://raw.githubusercontent.com/TypeFox/yang-lsp/v%s/schema/yang-lsp-settings-schema.json"
lsp-yang-yls-version)
"URL for yang-lsp server settings schema"
:type 'string
:group 'lsp-yang
:package-version '(lsp-mode . "9.0.0"))
(defcustom lsp-yang-yls-executable "yang-language-server"
"The yang-lsp server executable to use.
Leave as just the executable name to use the default behavior of finding the
executable with variable `exec-path'."
:group 'lsp-yang
:type 'string)
(defcustom lsp-yang-yls-download-url
(format "https://github.com/TypeFox/yang-lsp/releases/download/v%s/yang-language-server_%s.zip"
lsp-yang-yls-version
lsp-yang-yls-version)
"Automatic download url for yang-lsp server"
:type 'string
:group 'lsp-yang
:package-version '(lsp-mode . "9.0.0"))
(defcustom lsp-yang-yls-store-path
(f-join lsp-server-install-dir "yang-lsp" "yang-lsp")
"The path to the file in which `yang-language-server' will be stored."
:type 'file
:group 'lsp-yang
:package-version '(lsp-mode . "9.0.0"))
(defcustom lsp-yang-yls-binary-path
(f-join lsp-server-install-dir (format "yang-lsp/yang-language-server-%s/bin"
lsp-yang-yls-version)
(pcase system-type
('windows-nt "yang-language-server.bat")
(_ "yang-language-server")))
"The path to `yang-language-server' binary."
:type 'file
:group 'lsp-yang
:package-version '(lsp-mode . "9.0.0"))
(defun lsp-yang--stored-yls-executable ()
"Return the stored yang-lsp server executable."
(executable-find lsp-yang-yls-binary-path))
(lsp-dependency
'yang-lsp
`(:download :url lsp-yang-yls-download-url
:decompress :zip
:store-path lsp-yang-yls-store-path
:binary-path lsp-yang-yls-binary-path
:set-exectutable? t))
(lsp-register-client
(make-lsp-client
:new-connection (lsp-stdio-connection
(lambda () (or (executable-find lsp-yang-yls-executable)
(lsp-yang--stored-yls-executable)))
(lambda () (or (executable-find lsp-yang-yls-executable)
(file-executable-p (lsp-yang--stored-yls-executable)))))
:major-modes '(yang-mode)
:language-id "YANG"
:priority -1
:server-id 'yls
:download-server-fn (lambda (_client callback error-callback _update?)
(lsp-package-ensure 'yang-lsp callback error-callback))))
(lsp-consistency-check lsp-yang)
(provide 'lsp-yang)
;;; lsp-yang.el ends here