skip_optional_do_after_expression

in lib/rdoc/parser/ruby.rb [2204:2241]

• 33 lines of code
• 16 McCabe index (conditional complexity)

  def skip_optional_do_after_expression
    skip_tkspace_without_nl
    tk = get_tk

    b_nest = 0
    nest = 0

    loop do
      break unless tk
      case tk[:kind]
      when :on_semicolon, :on_nl, :on_ignored_nl then
        break if b_nest.zero?
      when :on_lparen then
        nest += 1
      when :on_rparen then
        nest -= 1
      when :on_kw then
        case tk[:text]
        when 'begin'
          b_nest += 1
        when 'end'
          b_nest -= 1
        when 'do'
          break if nest.zero?
        end
      when :on_comment, :on_embdoc then
        if b_nest.zero? and "\n" == tk[:text][-1] then
          break
        end
      end
      tk = get_tk
    end

    skip_tkspace_without_nl

    get_tk if peek_tk && :on_kw == peek_tk[:kind] && 'do' == peek_tk[:text]
  end