moved statements up one dir

lib/vool/class_statement.rb

@@ -0,0 +1,44 @@
+module Vool
+  class ClassStatement < Statement
+    attr_reader :name, :super_class_name , :body
+    attr_reader :clazz
+
+    def initialize( name , supe , body)
+      @name , @super_class_name , @body = name , supe , body
+    end
+
+    def normalize
+      ClassStatement.new(@name , @super_class_name, @body&.normalize )
+    end
+
+    def to_mom( _ )
+      create_class_object
+      mom = nil #return mom for test purpose
+      self.each do |node|
+        mom = node.to_mom(@clazz) if node.is_a?(MethodStatement)
+      end
+      mom
+    end
+
+    def each(&block)
+      block.call(self)
+      @body.each(&block) if @body
+    end
+
+    def create_class_object
+      @clazz = Parfait.object_space.get_class_by_name(@name )
+      if(@clazz)
+        #FIXME super class check with "sup"
+        #existing class, don't overwrite type (parfait only?)
+      else
+        @clazz = Parfait.object_space.create_class(@name , @super_class_name )
+        ivar_hash = {}
+        self.each do |node|
+          next unless node.is_a?(InstanceVariable) or node.is_a?(IvarAssignment)
+          ivar_hash[node.name] = :Object
+        end
+        @clazz.set_instance_type( Parfait::Type.for_hash( @clazz ,  ivar_hash ) )
+      end
+    end
+  end
+end