def __init__(self, **options):
        level = get_choice_opt(options, 'unicodelevel', self.tokens.keys(), 'basic')
        if level not in self._all_tokens:
            # compile the regexes now
            self._tokens = self.__class__.process_tokendef(level)
        else:
            self._tokens = self._all_tokens[level]

        RegexLexer.__init__(self, **options)
dataset/ETHPy150Open darcyliu/storyboard/pygments/lexers/dotnet.py/CSharpLexer.__init__/original