[WIP] Support tag query for reference

TODO: class initializer, toplevel function call

Author: malkoG

queries/tags.scm

@@ -137,3 +137,55 @@
 (function_signature
   name: (identifier) @name) @definition.function 
 
+(expression_statement
+ (identifier)
+ (selector
+  (unconditional_assignable_selector
+	"."
+	(identifier) @name))) @reference.call
+
+(assignment_expression
+  left: (assignable_expression 
+		  (identifier)
+		  (unconditional_assignable_selector
+			"."
+			(identifier) @name))) @reference.call
+
+(expression_statement
+ (identifier)
+ (selector
+  (unconditional_assignable_selector
+	"."
+	(identifier)))
+ (selector 
+   (argument_part 
+	(arguments)))) @reference.call
+
+(expression_statement
+ (identifier)
+ (selector
+  (conditional_assignable_selector
+	"?."
+	(identifier) @name))) @reference.call
+
+(assignment_expression
+  left: (assignable_expression 
+		  (identifier)
+		  (conditional_assignable_selector
+			"?."
+			(identifier) @name))) @reference.call
+
+(expression_statement
+ (identifier)
+ (selector
+  (conditional_assignable_selector
+	"?."
+	(identifier)))
+ (selector 
+   (argument_part 
+	(arguments)))) @reference.call
+
+(expression_statement
+ (identifier)
+ (selector 
+   (argument_part))) @reference.call

test/tags/functions.dart

@@ -22,10 +22,19 @@ void main() {
   final instance = SomeClass();
   instance.str;
   instance.getter;
+  //        ^ @reference.call
+  instance?.getter;
+  //        ^ @reference.call
   instance.setter = 12;
+  //        ^ @reference.call
+  instance?.setter = 12;
   instance.method();
+  instance?.method();
+  //        ^ @reference.call
   topLevelFn();
+  //        ^ @reference.call
   instance.extensionMethod();
+  //          ^ @reference.call
   instance
     ..method()
     ..str