def get(self, want_leading = False, want_comment = False):
        """Get the next token.

        @param want_leading: If True, return a WHITESPACE token if the
        first character read is whitespace.  The default is False.
        @type want_leading: bool
        @param want_comment: If True, return a COMMENT token if the
        first token read is a comment.  The default is False.
        @type want_comment: bool
        @rtype: Token object
        @raises dns.exception.UnexpectedEnd: input ended prematurely
        @raises dns.exception.SyntaxError: input was badly formed
        """

        if not self.ungotten_token is None:
            token = self.ungotten_token
            self.ungotten_token = None
            if token.is_whitespace():
                if want_leading:
                    return token
            elif token.is_comment():
                if want_comment:
                    return token
            else:
                return token
        skipped = self.skip_whitespace()
        if want_leading and skipped > 0:
            return Token(WHITESPACE, ' ')
        token = ''
        ttype = IDENTIFIER
        has_escape = False
        while True:
            c = self._get_char()
            if c == '' or self.delimiters in c:
                if c == '' and self.quoting:
                    raise dns.exception.UnexpectedEnd
                if token == '' and ttype != QUOTED_STRING:
                    if c == '(':
                        self.multiline += 1
                        self.skip_whitespace()
                        continue
                    elif c == ')':
                        if not self.multiline > 0:
                            raise dns.exception.SyntaxError
                        self.multiline -= 1
                        self.skip_whitespace()
                        continue
                    elif c == '"':
                        if not self.quoting:
                            self.quoting = True
                            self.delimiters = _QUOTING_DELIMITERS
                            ttype = QUOTED_STRING
                            continue
                        else:
                            self.quoting = False
                            self.delimiters = _DELIMITERS
                            self.skip_whitespace()
                            continue
                    elif c == '\n':
                        return Token(EOL, '\n')
                    elif c == ';':
                        while 1:
                            c = self._get_char()
                            if c == '\n' or c == '':
                                break
                            token += c
                        if want_comment:
                            self._unget_char(c)
                            return Token(COMMENT, token)
                        elif c == '':
                            if self.multiline:
                                raise dns.exception.SyntaxError('unbalanced parentheses')
                            return Token(EOF)
                        elif self.multiline:
                            self.skip_whitespace()
                            token = ''
                            continue
                        else:
                            return Token(EOL, '\n')
                    else:
                        # This code exists in case we ever want a
                        # delimiter to be returned.  It never produces
                        # a token currently.
                        token = c
                        ttype = DELIMITER
                else:
                    self._unget_char(c)
                break
            elif self.quoting:
                if c == '\\':
                    c = self._get_char()
                    if c == '':
                        raise dns.exception.UnexpectedEnd
                    if c.isdigit():
                        c2 = self._get_char()
                        if c2 == '':
                            raise dns.exception.UnexpectedEnd
                        c3 = self._get_char()
                        if c == '':
                            raise dns.exception.UnexpectedEnd
                        if not (c2.isdigit() and c3.isdigit()):
                            raise dns.exception.SyntaxError
                        c = chr(int(c) * 100 + int(c2) * 10 + int(c3))
                elif c == '\n':
                    raise dns.exception.SyntaxError('newline in quoted string')
            elif c == '\\':
                #
                # It's an escape.  Put it and the next character into
                # the token; it will be checked later for goodness.
                #
                token += c
                has_escape = True
                c = self._get_char()
                if c == '' or c == '\n':
                    raise dns.exception.UnexpectedEnd
            token += c
        if token == '' and ttype != QUOTED_STRING:
            if self.multiline:
                raise dns.exception.SyntaxError('unbalanced parentheses')
            ttype = EOF
        return Token(ttype, token, has_escape)
dataset/ETHPy150Open catap/namebench/nb_third_party/dns/tokenizer.py/Tokenizer.get/swapped operands of `in`