add qmljs (#3126)

README.md

@@ -239,6 +239,7 @@ We are looking for maintainers to add more parsers and to write query files for
 - [x] [pug](https://github.com/zealot128/tree-sitter-pug) (maintained by @zealot128)
 - [x] [python](https://github.com/tree-sitter/tree-sitter-python) (maintained by @stsewd, @theHamsta)
 - [x] [ql](https://github.com/tree-sitter/tree-sitter-ql) (maintained by @pwntester)
+- [x] [qmljs](https://github.com/yuja/tree-sitter-qmljs) (maintained by @yuja)
 - [x] [Tree-sitter query language](https://github.com/nvim-treesitter/tree-sitter-query) (maintained by @steelsojka)
 - [x] [r](https://github.com/r-lib/tree-sitter-r) (maintained by @jimhester)
 - [x] [rasi](https://github.com/Fymyte/tree-sitter-rasi) (maintained by @Fymyte)

lua/nvim-treesitter/parsers.lua

@@ -43,7 +43,15 @@ local list = setmetatable({}, {
     filetype_to_parsername[parserconfig.filetype or parsername] = parsername
   end,
 })
-
+list.qmljs = {
+  install_info = {
+    url = "https://github.com/yuja/tree-sitter-qmljs",
+    branch = "master",
+    files = { "src/parser.c", "src/scanner.c" },
+  },
+  filetype = "qmljs",
+  maintainers = { "@yuja" },
+}
 list.scheme = {
   install_info = {
     url = "https://github.com/6cdh/tree-sitter-scheme",

queries/qmljs/highlights.scm

@@ -0,0 +1,133 @@
+; inherits: ecma
+
+;;; Annotations
+
+(ui_annotation
+  "@" @operator
+  type_name: [
+    (identifier) @attribute
+    (nested_identifier (identifier) @attribute)
+  ])
+
+;; type
+(ui_property 
+  type: (type_identifier) @type)
+
+;;; Properties
+
+(ui_object_definition_binding
+  name: [
+    (identifier) @property
+    (nested_identifier (identifier) @property)
+  ])
+
+(ui_binding
+  name: [
+    (identifier) @property
+    (nested_identifier (identifier) @property)
+  ])
+
+;; locals query appears not working unless id: <ref> isn't a parameter.
+(ui_binding
+  name: (identifier) @property
+  (#eq? @property "id")
+  value: (expression_statement (identifier) @variable))
+
+(ui_property
+  name: (identifier) @property)
+
+(ui_required
+  name: (identifier) @property)
+
+(ui_list_property_type
+  ["<" ">"] @punctuation.bracket)
+
+;;; Signals
+
+(ui_signal
+  name: (identifier) @function)
+
+(ui_signal_parameter
+  (identifier) @variable)
+
+;;; ui_object_definition
+(ui_object_definition
+	type_name: (identifier) @type)
+(ui_object_definition
+	type_name: (nested_identifier) @type)
+
+
+;;; js
+
+; Properties
+;-----------
+
+(property_identifier) @property
+
+; Literals
+;---------
+
+[
+  (true)
+  (false)
+  (null)
+  (undefined)
+] @constant.builtin
+
+(comment) @comment
+
+[
+  (string)
+  (template_string)
+] @string
+
+(regex) @string.special
+(number) @number
+
+; Tokens
+;-------
+
+
+
+;;; keywrod in qml
+[
+  "required"
+  "property"
+  "signal"
+] @keyword
+
+; from typescript
+
+(type_identifier) @type
+(predefined_type) @type.builtin
+
+((identifier) @type
+ (#match? @type "^[A-Z]"))
+
+(type_arguments
+  "<" @punctuation.bracket
+  ">" @punctuation.bracket)
+
+; Variables
+
+(required_parameter (identifier) @variable)
+(optional_parameter (identifier) @variable)
+
+; Keywords
+
+[ "abstract"
+  "declare"
+  "enum"
+  "export"
+  "implements"
+  "interface"
+  "keyof"
+  "namespace"
+  "private"
+  "protected"
+  "public"
+  "type"
+  "readonly"
+  "override"
+] @keyword
+