feat: add kos parser and queries (#8389)

runtime/queries/kos/highlights.scm

@@ -0,0 +1,141 @@
+(hash_bang) @keyword.directive
+
+(comment) @comment @spell
+
+(number) @number
+
+(identifier) @variable
+
+(property_identifier) @property
+
+[
+  (string_literal)
+  (string_literal_begin)
+  (string_literal_continuation)
+  (string_literal_end)
+] @string
+
+[
+  "case"
+  "default"
+  "else"
+  "if"
+  "switch"
+] @keyword.conditional
+
+"import" @keyword.import
+
+[
+  (break_statement)
+  (continue_statement)
+  "for"
+  "loop"
+  "repeat"
+  "while"
+] @keyword.repeat
+
+(for_statement
+  "in" @keyword.repeat)
+
+"class" @keyword.type
+
+[
+  "return"
+  "yield"
+] @keyword.return
+
+[
+  "catch"
+  "defer"
+  "throw"
+  "try"
+] @keyword.exception
+
+[
+  "constructor"
+  "fun"
+  "=>"
+] @keyword.function
+
+[
+  "_"
+  (line)
+  "assert"
+  ;"async"
+  "const"
+  "do"
+  "extends"
+  (fallthrough_statement)
+  ;"get"
+  ;"match"
+  "public"
+  ;"set"
+  ;"static"
+  "var"
+  "with"
+] @keyword
+
+[
+  (this)
+  (super)
+] @variable.builtin
+
+[
+  (false)
+  (true)
+] @boolean
+
+(void) @constant.builtin
+
+[
+  "("
+  ")"
+  "["
+  "]"
+  "{"
+  "}"
+] @punctuation.bracket
+
+[
+  ";"
+  ":"
+  "."
+  ","
+] @punctuation.delimiter
+
+[
+  (arithmetic_assignment_operator)
+  (comparison_operator)
+  (bitwise_operator)
+  (additive_operator)
+  (multiplicative_operator)
+  (logical_operator)
+  (unary_operator)
+  "->"
+  "..."
+  "="
+  "?"
+] @operator
+
+(conditional_expression
+  [
+    "?"
+    ":"
+  ] @keyword.conditional.ternary)
+
+(class_member
+  (function_decl
+    name: (identifier) @function.method))
+
+(function_decl
+  name: (identifier) @function)
+
+(class_decl
+  name: (identifier) @type)
+
+(invocation
+  (identifier) @function.call)
+
+(invocation
+  (refinement
+    property: (property_identifier) @function.method.call))