parse_constant

# File lib/rdoc/parser/ruby.rb, line 1923
  def parse_constant(container, single, tk, comment)
    name = tk.name
    skip_tkspace(false)
    eq_tk = get_tk

    unless TkASSIGN === eq_tk then
      unget_tk(eq_tk)
      return
    end


    nest = 0
    get_tkread

    tk = get_tk
    if TkGT === tk then
      unget_tk(tk)
      unget_tk(eq_tk)
      return
    end

    loop do
        case tk
        when TkSEMICOLON
          break
        when TkLPAREN, TkfLPAREN, TkLBRACE, TkLBRACK, TkDO
          nest += 1
        when TkRPAREN, TkRBRACE, TkRBRACK, TkEND
          nest -= 1
        when TkCOMMENT
          if nest <= 0 && @scanner.lex_state == EXPR_END
            unget_tk(tk)
            break
          end
        when TkNL
          if (nest <= 0) && ((@scanner.lex_state == EXPR_END) || ([email protected]))
            unget_tk(tk)
            break
          end
        end
        tk = get_tk
    end

    res = get_tkread.tr("\n", " ").strip
    res = "" if res == ";"

    con = RDoc::Constant.new name, res, comment
    read_documentation_modifiers con, RDoc::CONSTANT_MODIFIERS

    if con.document_self
      container.add_constant(con)
    end
  end