get_class_or_module

# File lib/rdoc/parser/ruby.rb, line 1558
  def get_class_or_module(container)
    skip_tkspace
    name_t = get_tk

    # class ::A -> A is in the top level
    if TkCOLON2 === name_t then
      name_t = get_tk
      container = @top_level
    end

    skip_tkspace(false)

    while TkCOLON2 === peek_tk do
      prev_container = container
      container = container.find_module_named(name_t.name)
      if !container
#          warn("Couldn't find module #{name_t.name}")
        container = prev_container.add_module RDoc::NormalModule, name_t.name
      end
      get_tk
      name_t = get_tk
    end
    skip_tkspace(false)
    return [container, name_t]
  end