refactor name expression for compiler

lib/typed/ast/basic_values.rb

@@ -1,39 +1,41 @@
 module Typed
-  class IntegerExpression < Expression
-    attr_accessor :value
-    def initialize(value)
-      @value = value
+  module Tree
+    class IntegerExpression < Expression
+      attr_accessor :value
+      def initialize(value)
+        @value = value
+      end
     end
-  end
-  class FloatExpression < Expression
-    attr_accessor :value
-    def initialize(value)
-      @value = value
+    class FloatExpression < Expression
+      attr_accessor :value
+      def initialize(value)
+        @value = value
+      end
     end
-  end
-  class TrueExpression < Expression
-  end
-  class FalseExpression < Expression
-  end
-  class NilExpression < Expression
-  end
-  class StringExpression < Expression
-    attr_accessor :value
-    def initialize(value)
-      @value = value
+    class TrueExpression < Expression
     end
-  end
-  class NameExpression < Expression
-    attr_accessor :value
-    alias :name :value
-    def initialize(value)
-      @value = value
+    class FalseExpression < Expression
     end
-  end
-  class ClassExpression < Expression
-    attr_accessor :value
-    def initialize(value)
-      @value = value
+    class NilExpression < Expression
+    end
+    class StringExpression < Expression
+      attr_accessor :value
+      def initialize(value)
+        @value = value
+      end
+    end
+    class NameExpression < Expression
+      attr_accessor :value
+      alias :name :value
+      def initialize(value)
+        @value = value
+      end
+    end
+    class ClassExpression < Expression
+      attr_accessor :value
+      def initialize(value)
+        @value = value
+      end
     end
   end
 end

lib/typed/ast/to_code.rb

@@ -125,26 +125,26 @@ module Typed
     end
 
     def on_int expression
-      IntegerExpression.new(expression.children.first)
+      Tree::IntegerExpression.new(expression.children.first)
     end
 
     def on_true expression
-      TrueExpression.new
+      Tree::TrueExpression.new
     end
 
     def on_false expression
-      FalseExpression.new
+      Tree::FalseExpression.new
     end
 
     def on_nil expression
-      NilExpression.new
+      Tree::NilExpression.new
     end
 
     def on_name statement
-      NameExpression.new(statement.children.first)
+      Tree::NameExpression.new(statement.children.first)
     end
     def on_string expression
-      StringExpression.new(expression.children.first)
+      Tree::StringExpression.new(expression.children.first)
     end
 
     def on_class_name expression