class RDoc::Parser::C

def add_alias(var_name, class_obj, old_name, new_name, comment)
  al = RDoc::Alias.new '', old_name, new_name, comment, singleton: @singleton_classes.key?(var_name)
  al.record_location @top_level
  class_obj.add_alias al
  @stats.add_alias al
  al
end