from smnp.ast.node.atom import AtomParser from smnp.ast.node.list import ListParser from smnp.ast.node.operator import BinaryOperator from smnp.ast.parser import Parser from smnp.token.type import TokenType class Chain(BinaryOperator): pass itemParser = Parser.oneOf( ListParser, AtomParser, ) ChainParser = Parser.leftAssociativeOperatorParser(itemParser, [TokenType.DOT], itemParser, lambda left, op, right: Chain.withValues(left, op, right))