group Sample

class_definition ::=
<<<
class <%= @name %><% if @superclass %> < <%= @superclass %><% end %>
% if @attributes

% for attr in @attributes 
<%= attribute( *attr ).to_s.chomp %>
% end
% end
% if @methods
% for method in ( @methods || [] )
<%= method( method ) %>
% end
% end
end
>>>

attribute( name, access = 'rw' ) ::=
<<<
% case @access.to_s.downcase
% when 'r'
  attr_reader :<%= @name %>
% when 'w'
  attr_writer :<%= @name %>
% else
  attr_accessor :<%= @name %>
% end
>>>

method ::=
<<<
  
  def <%= @name %><% if @arguments and not @arguments.empty? %>( <%= @arguments.join( ', ' ) %> )<% end %>
<%= @body.gsub( /^/, '    ' ) %>
  end
>>>