Add support for Zig (zls) (#2723)

CHANGELOG.org

@@ -26,6 +26,7 @@
   `dired` and `lsp-mode` diagnostics.
   * Add Grammarly support.
   * Add D support.
+  * Add Zig support.
 ** Release 7.0.1
   * Introduced ~lsp-diagnostics-mode~.
   * Safe renamed ~lsp-flycheck-default-level~ -> ~lsp-diagnostics-flycheck-default-level~

clients/lsp-zig.el

@@ -0,0 +1,36 @@
+;;; lsp-zig.el --- lsp-mode Zig integration -*- lexical-binding: t; -*-
+
+;; Copyright (C) 2021 Riccardo Binetti
+
+;; Author: Riccardo Binetti <[email protected]>
+;; Keywords: languages,tools
+
+;; 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:
+
+;;  client for zls, the Zig language server
+
+;;; Code:
+
+(require 'lsp-mode)
+
+(lsp-register-client
+ (make-lsp-client
+  :new-connection (lsp-stdio-connection "zls")
+  :activation-fn (lsp-activate-on "zig")
+  :server-id 'zls))
+
+(provide 'lsp-zig)
+;;; lsp-zig.el ends here

docs/lsp-clients.json

@@ -635,5 +635,13 @@
     "installation": "npm install -g yaml-language-server",
     "lsp-install-server": "yamlls",
     "debugger": "Not available"
+  },
+  {
+    "name": "zig",
+    "full-name": "Zig",
+    "server-name": "zls",
+    "server-url": "https://github.com/zigtools/zls",
+    "installation-url": "https://github.com/zigtools/zls#installation",
+    "debugger": "Not available"
   }
 ]

lsp-mode.el

@@ -175,7 +175,7 @@ As defined by the Language Server Protocol 3.16."
          lsp-kotlin lsp-lua lsp-nim lsp-nix lsp-metals lsp-ocaml lsp-perl lsp-php lsp-pwsh
          lsp-pyls lsp-python-ms lsp-purescript lsp-r lsp-rf lsp-rust lsp-solargraph lsp-sorbet
          lsp-tex lsp-terraform lsp-vala lsp-verilog lsp-vetur lsp-vhdl lsp-vimscript lsp-xml
-         lsp-yaml lsp-sqls lsp-svelte lsp-steep)
+         lsp-yaml lsp-sqls lsp-svelte lsp-steep lsp-zig)
   "List of the clients to be automatically required."
   :group 'lsp-mode
   :type '(repeat symbol))
@@ -769,7 +769,8 @@ Changes take effect only when a new session is started."
                                         (prolog-mode . "prolog")
                                         (vala-mode . "vala")
                                         (actionscript-mode . "actionscript")
-                                        (d-mode . "d"))
+                                        (d-mode . "d")
+                                        (zig-mode . "zig"))
   "Language id configuration.")
 
 (defvar lsp--last-active-workspaces nil

mkdocs.yml

@@ -102,6 +102,7 @@ nav:
     - Vue: page/lsp-vetur.md
     - XML: page/lsp-xml.md
     - YAML: page/lsp-yaml.md
+    - Zig: page/lsp-zig.md
   - Debugging:
       - https://emacs-lsp.github.io/dap-mode
   - Gallery: