expression_parser.py 文件源码

def _base_or_array_expression(self):
        array_indices = pyparsing.ZeroOrMore(
            _OPEN_BRACKETS
            + self.expression
            + _CLOSE_BRACKETS
        )
        return (
            self._base_expression()
            + pyparsing.Group(array_indices)
        ).setParseAction(self._create_base_or_array_expression)