# File lib/puppet-lint/plugin.rb, line 84
  def title_tokens
    @title_tokens ||= Proc.new do
      result = []
      tokens.each_index do |token_idx|
        if tokens[token_idx].type == :COLON
          # gather a list of tokens that are resource titles
          if tokens[token_idx-1].type == :RBRACK
            array_start_idx = tokens.rindex { |r|
              r.type == :LBRACK
            }
            title_array_tokens = tokens[(array_start_idx + 1)..(token_idx - 2)]
            result += title_array_tokens.select { |token|
              {:STRING => true, :NAME => true}.include? token.type
            }
          else
            next_token = tokens[token_idx].next_code_token
            if next_token.type != :LBRACE
              result << tokens[token_idx - 1]
            end
          end
        end
      end
      result
    end.call
  end