lib/pione/transformer/document-transformer.rb in pione-0.1.1 vs lib/pione/transformer/document-transformer.rb in pione-0.1.2

@@ -1,38 +1,33 @@
 module Pione
   module Transformer
+    # DocumentTransformer is a transformer for syntax tree of document.
     class DocumentTransformer < Parslet::Transform
       include LiteralTransformer
       include FeatureExprTransformer
       include ExprTransformer
       include FlowElementTransformer
       include BlockTransformer
       include RuleDefinitionTransformer
 
+      # @param package_name [String]
+      #   package name of the document
       def initialize(package_name="main")
         super()
         @current_package_name = package_name
         Thread.current[:current_package_name] = @current_package_name
       end
 
-      def apply(*args)
-        res = super
-        return res
-      end
-
       def check_model_type(data, type)
         data.pione_model_type == type
       end
 
-      #
-      # statement
-      #
-
+      # Transform +:param_block+ as Naming::ParamBlock.
       rule(:param_block => sequence(:assignment_list)) {
         Naming.ParamBlock(assignment_list)
       }
 
-      # package
+      # Transform +:package+ as Naming::Package.
       rule(:package => subtree(:tree)) {
         @current_package = Naming.Package(tree[:package_name].to_s)
       }
     end
   end