lib

var ExtractorErrorType = rnt.Cal(
	rnt.TypeType,
	rnt.NewStr("ExtractorError"),
	rnt.NewTuple(rnt.ExceptionType),
	rnt.NewDict()).(rnt.Type)

var ExtractorRunner rnt.Object

var Extractors = make(map[string]rnt.Object)

var RegisterExtractor = rnt.NewSimpleFunction("RegisterExtractor",
	[]string{"key", "class"},
	func(args []rnt.Object) rnt.Object {
		key := args[0].(rnt.Str).Value()
		class := args[1]
		Extractors[key] = class
		return rnt.None
	})

var SetExtractorRunner = rnt.NewSimpleFunction("SetExtractorRunner",
	[]string{"runner"},
	func(args []rnt.Object) rnt.Object {
		ExtractorRunner = args[0]
		return rnt.None
	})