Add name locations to AST

lib/rbs/ast/ruby/declarations.rb

@@ -46,6 +46,10 @@ def type_params = []
           def location
             rbs_location(node.location)
           end
+
+          def name_location
+            rbs_location(node.constant_path.location)
+          end
         end
 
         class ModuleDecl < Base
@@ -79,6 +83,10 @@ def self_types = []
           def location
             rbs_location(node.location)
           end
+
+          def name_location
+            rbs_location(node.constant_path.location)
+          end
         end
       end
     end

lib/rbs/ast/ruby/members.rb

@@ -206,6 +206,10 @@ def overloading?
           def annotations
             []
           end
+
+          def name_location
+            rbs_location(node.name_loc)
+          end
         end
       end
     end

sig/ast/ruby/declarations.rbs

@@ -32,6 +32,8 @@ module RBS
           def type_params: () -> Array[AST::TypeParam]
 
           def location: () -> Location
+
+          def name_location: () -> Location
         end
 
         class ModuleDecl < Base
@@ -53,6 +55,8 @@ module RBS
           def location: () -> Location
 
           def self_types: () -> Array[AST::Declarations::Module::Self]
+
+          def name_location: () -> Location
         end
       end
     end

sig/ast/ruby/members.rbs

@@ -65,6 +65,8 @@ module RBS
           def overloading?: () -> bool
 
           def annotations: () -> Array[AST::Annotation]
+
+          def name_location: () -> Location
         end
       end
     end