add kotlin parser and highligh-queries

lua/nvim-treesitter/parsers.lua

@@ -111,6 +111,13 @@ list.java = {
   maintainers = {"@p00f"},
 }
 
+list.kotlin = {
+  install_info = {
+    url = "https://github.com/QthCN/tree-sitter-kotlin",
+    files = { "src/parser.c" },
+  },
+}
+
 list.html = {
   install_info = {
     url = "https://github.com/tree-sitter/tree-sitter-html",

queries/kotlin/highlights.scm

@@ -0,0 +1,158 @@
+;;; Kotlin 
+;; Issues
+
+; mapOf with type definition AND multiple entries are not highligted correctly. Issue in parser. Eg.
+; a = mapOf<String, String>(AA.value to AA.value, AA.value to AA.value)
+
+
+(function_modifier) @type
+
+;; String
+
+(line_string_literal) @string
+(multi_line_string_literal) @string
+(line_string_literal (interpolated_identifier)) @string
+(line_string_literal (interpolated_expression (line_string_literal))) @string
+
+;; Constants
+; Assume all-caps names are constants
+((simple_identifier) @constant
+ (#vim-match? @constant "^[A-Z][A-Z_]+"))
+
+
+;; Variables
+(class_parameter (simple_identifier) @variable.builtin)
+
+; Class level
+(property_declaration (variable_declaration (simple_identifier) @variable.builtin))
+
+(statements (call_expression (navigation_expression (simple_identifier) @variable.builtin)))
+
+(directly_assignable_expression (navigation_expression (simple_identifier) @variable.builtin))
+
+(directly_assignable_expression (simple_identifier) @variable.builtin)
+
+
+; TODO not supported yet
+; (navigation_expression (simple_identifier) @type
+;   (#is-not? local))
+; (directly_assignable_expression (simple_identifier) @type
+;   (#is-not? local))
+
+
+;; Property access syntax
+; TODO
+; a = get().value etc
+(assignment (navigation_expression (navigation_suffix) @type ))
+; val a = A.get().value etc
+(property_declaration  (navigation_expression (navigation_suffix) @type ))
+; value in `mapOf(A.value to B.value)` etc.
+(infix_expression  (navigation_expression (navigation_suffix) @type ))
+; java in `Car::class.java`
+(value_argument (navigation_expression (navigation_suffix) @type ))
+
+
+;; Interpolated
+
+(interpolated_identifier) @type
+(interpolated_expression) @type
+
+
+;; Builtin functions
+((simple_identifier) @function.builtin
+ (#vim-match? @function.builtin "(^let$|^listOf$|^mapOf$|^map$)"))
+
+
+((simple_identifier) @function.builtin
+ (#vim-match? @function.builtin "^to$"))
+
+
+(modifiers (annotation (user_type (type_identifier)))) @attribute
+
+(annotation) @attribute
+
+(integer_literal) @number
+
+(boolean_literal) @boolean
+
+
+;; it
+(indexing_expression (simple_identifier) @type
+  (#vim-match? @type "^it$"))
+
+
+;; Keywords
+
+[
+ "enum"
+ "as"
+ "class"
+ "object"
+ "data"
+ "val"
+ "init"
+ "private"
+ "var"
+ "break"
+ "by"
+ "fun"
+ "companion"
+ "return"
+ "constructor"
+] @keyword
+; const does not work
+
+
+;; Conditionals
+[
+"if"
+"is"
+"else"
+"when"
+] @conditional
+
+
+;; Includes
+
+"import" @include
+"package" @include
+
+
+;; Punctuation
+
+[
+";"
+"."
+","
+] @punctuation.delimiter
+
+[
+"["
+"]"
+"$"
+"${"
+"{"
+"}"
+"("
+")"
+] @punctuation.bracket
+
+;; Comments
+(comment) @comment
+
+; Methods
+
+(function_declaration (simple_identifier) @function)
+
+
+[
+"="
+"-"
+"->"
+"+"
+"++"
+"--"
+"*"
+] @operator
+
+(ERROR) @error