Add qml lsp support

installer/install-qmlls.cmd

@@ -0,0 +1,7 @@
+@echo off
+
+setlocal
+set version="0.2"
+curl -L -o "qmlls-windows.zip" "https://github.com/TheQtCompanyRnD/qmlls-workflow/releases/download/%version%/qmlls-windows-%version%.zip"
+call "%~dp0\run_unzip.cmd" qmlls-windows.zip qmlls.exe
+del qmlls-windows.zip

installer/install-qmlls.sh

@@ -0,0 +1,27 @@
+#!/bin/sh
+
+set -e
+os=$(uname -s | tr "[:upper:]" "[:lower:]")
+url="${url_ubuntu}"
+platform="ubuntu"
+version="0.2"
+
+case $os in
+linux)
+  platform="ubuntu"
+  ;;
+darwin)
+  platform="macos"
+  ;;
+*)
+  echo "unknow platform: $os"
+  exit 1
+  ;;
+esac
+
+curl -L -o "qmlls-${platform}.zip" "https://github.com/TheQtCompanyRnD/qmlls-workflow/releases/download/${version}/qmlls-${platform}-${version}.zip"
+
+tar -xf "qmlls-${platform}.zip" qmlls
+rm "qmlls-${platform}.zip"
+chmod +x qmlls
+

settings.json

@@ -1438,6 +1438,17 @@
       ]
     }
   ],
+  "qml": [
+      {
+          "command": "qmlls",
+          "url" : "https://github.com/qt/qtdeclarative",
+          "description": "An implementation of the Language Server Protocol for qml/qmljs",
+          "requires": [],
+          "root_uri_patterns": [
+            ".qmlls.ini"
+          ]
+      }
+  ],
   "r": [
     {
       "command": "r-languageserver",

settings/qmlls.vim

@@ -0,0 +1,11 @@
+augroup vim_lsp_settings_qmlls
+  au!
+  LspRegisterServer {
+      \ 'name': 'qmlls',
+      \ 'cmd': {server_info->lsp_settings#get('qmlls', 'cmd', [lsp_settings#exec_path('qmlls')])+lsp_settings#get('qmlls', 'args', ['-E'])},
+      \ 'root_uri':{server_info->lsp_settings#get('qmlls', 'root_uri', lsp_settings#root_uri('qmlls'))},
+      \ 'allowlist': lsp_settings#get('qmlls', 'allowlist', ['qml', 'qmljs']),
+      \ 'blocklist': lsp_settings#get('qmlls', 'blocklist', []),
+      \ 'config': lsp_settings#get('qmlls', 'config', lsp_settings#server_config('pyls-all')),
+      \ }
+augroup END