lex

# File lib/rdoc/parser/ruby.rb, line 523
  def lex
    until (TkNL === (tk = token) or TkEND_OF_SCRIPT === tk) and
           not @continue or tk.nil?
    end

    line = get_read

    if line == "" and TkEND_OF_SCRIPT === tk or tk.nil? then
      nil
    else
      line
    end
  end