Dart highlights: Add some basic queries

queries/dart/highlights.scm

@@ -0,0 +1,104 @@
+(dotted_identifier_list) @string
+
+; Methods
+
+(function_type
+  name: (identifier) @method)
+(super) @function
+
+; Annotations
+; TODO: highlight??
+(annotation
+  name: (identifier) @attribute)
+(marker_annotation
+  name: (identifier) @attribute)
+
+; TODO: operators
+[
+ "@" 
+ (additive_operator)
+] @operator
+; TODO: delimiers/punctuation
+
+; Types
+
+(class_definition
+  name: (identifier) @type)
+(constructor_signature
+  name: (identifier) @type)
+(type_identifier
+  (identifier) @type)
+(scoped_identifier
+  scope: (identifier) @type)
+(function_signature
+  name: (identifier) @method)
+(enum_declaration
+  name: (identifier) @type)
+(enum_constant
+  name: (identifier) @type)
+(type_identifier) @type
+(void_type) @type
+
+((scoped_identifier
+  scope: (identifier) @type
+  name: (identifier) @type)
+ (#match? @type "^[a-zA-Z]"))
+
+(type_identifier) @type
+
+; Variables
+
+((identifier) @constant
+ (#match? @constant "^_*[A-Z][A-Z\d_]+"))
+
+(this) @constant.builtin
+
+;; Parameters
+
+(formal_parameter
+    name: (identifier) @parameter)
+
+;; Literals
+
+(hex_integer_literal) @number
+(decimal_integer_literal) @number
+(decimal_floating_point_literal) @float
+
+(string_literal) @string
+(true) @boolean
+(false) @boolean
+(null_literal) @constant.builtin
+
+(comment) @comment
+
+; Keywords
+
+["import" "library" "export"] @include
+
+[
+ "abstract"
+ "assert"
+ "break"
+ "on"
+ "class"
+ "default"
+ "enum"
+ "extends"
+ "final"
+ "implements"
+ "is"
+ "as"
+ "mixin"
+ "external"
+ "new"
+ "return"
+ "static"
+ ] @keyword
+;TODO: var, async, await
+; "rethrow" @keyword
+
+["if" "else" "switch" "case"] @conditional
+
+["try" "throw" "catch" "finally"] @exception
+
+["do" "while" "continue" "for"] @repeat