Add starpls server (Starlark LSP)

"starpls is a language server for Starlark, the configuration language
used by Bazel and Buck2." [1]

[1]: https://github.com/withered-magic/starpls

README.md

@@ -171,6 +171,7 @@ You can change the directory to install servers by set `g:lsp_settings_servers_d
 | SQL               | sql-language-server                 |    Yes    |      Yes      |
 | SQL               | sqls                                |    Yes    |      Yes      |
 | SQL               | plpgsql-server                      | UNIX Only |      Yes      |
+| Starlark          | starpls                             |    Yes    |      Yes      |
 | Scala             | Metals                              |    Yes    |      Yes      |
 | Svelte            | svelte-language-server              |    Yes    |      Yes      |
 | Svelte            | tailwindcss-intellisense            |    Yes    |      Yes      |

installer/install-starpls.cmd

@@ -0,0 +1,3 @@
+@echo off
+
+curl -L -o "starpls.exe" "https://github.com/withered-magic/starpls/releases/latest/download/starpls-windows-amd64.exe"

installer/install-starpls.sh

@@ -0,0 +1,41 @@
+#!/bin/sh
+
+set -e
+
+os=$(uname -s | tr "[:upper:]" "[:lower:]")
+arch="$(uname -m)"
+
+case $os in
+linux)
+  if [ "$arch" = "x86_64" ]; then
+    platform="linux-amd64"
+  else
+    echo "unknown architecture: $arch"
+    exit 1
+  fi
+  ;;
+darwin)
+  if [ "$arch" = "aarch64" ] || [ "$arch" = "arm64" ]; then
+    platform="darwin-arm64"
+  else
+    echo "unknown architecture: $arch"
+    exit 1
+  fi
+  ;;
+mingw64_nt*)
+  if [ "$arch" = "x86_64" ]; then
+    platform="windows-amd64.exe"
+  else
+    echo "unknown architecture: $arch"
+    exit 1
+  fi
+  ;;
+*)
+  echo "unknow platform: $os"
+  exit 1
+  ;;
+esac
+
+curl -L -o "starpls" "https://github.com/withered-magic/starpls/releases/latest/download/starpls-$platform"
+
+chmod +x starpls

settings.json

@@ -66,6 +66,14 @@
       ]
     }
   ],
+  "bzl": [
+    {
+      "command": "starpls",
+      "url": "https://github.com/withered-magic/starpls",
+      "description": "An LSP implementation for Starlark, the configuration language used by Bazel and Buck2.",
+      "requires": []
+    }
+  ],
   "c": [
     {
       "command": "clangd",

settings/starpls.vim

@@ -0,0 +1,15 @@
+augroup vim_lsp_settings_starpls
+  au!
+  LspRegisterServer {
+      \ 'name': 'starpls',
+      \ 'cmd': {server_info->lsp_settings#get('starpls', 'cmd', [lsp_settings#exec_path('starpls')]+lsp_settings#get('starpls', 'args', []))},
+      \ 'root_uri':{server_info->lsp_settings#get('starpls', 'root_uri', lsp_settings#root_uri('starpls'))},
+      \ 'initialization_options': lsp_settings#get('starpls', 'initialization_options', {}),
+      \ 'allowlist': lsp_settings#get('starpls', 'allowlist', ['bzl', 'starlark']),
+      \ 'blocklist': lsp_settings#get('starpls', 'blocklist', []),
+      \ 'config': lsp_settings#get('starpls', 'config', lsp_settings#server_config('starpls')),
+      \ 'workspace_config': lsp_settings#get('starpls', 'workspace_config', {}),
+      \ 'semantic_highlight': lsp_settings#get('starpls', 'semantic_highlight', {}),
+      \ }
+augroup END
+