Method save_state

Lib/_pyrepl/_module_completer.py:471–478

(self)

    @contextmanager
    def save_state(self) -> Any:
        try:
            self.stack.append(self.index)
            yield
        except ParseError:
            self.index = self.stack.pop()
        else:
            self.stack.pop()

    def __bool__(self) -> bool:
        return self.index < len(self.tokens)