# File lib/yard/tags/directives.rb, line 519
      def call
        lang = tag.types ? tag.types.first.to_sym :
          (handler ? handler.parser.parser_type : :ruby)
        if handler && lang == handler.parser.parser_type
          pclass = Parser::SourceParser.parser_types[handler.parser.parser_type]
          pobj = pclass.new(tag.text, handler.parser.file)
          pobj.parse
          handler.parser.process(pobj.enumerator)
        else # initialize a new parse chain
          src_parser = Parser::SourceParser.new(lang, handler ? handler.globals : nil)
          src_parser.file = handler.parser.file if handler
          src_parser.parse(StringIO.new(tag.text))
        end
      end