__init__.py 文件源码

def _collect_refs(self, item_val, acc=None, no_opt=False):
        if acc is None:
            acc = deque()

        from gramfuzz.fields import Opt
        if no_opt and (isinstance(item_val, Opt) or item_val.shortest_is_nothing):
            return acc

        from gramfuzz.fields import Ref
        if isinstance(item_val, Ref):
            acc.append(item_val)

        if hasattr(item_val, "values"):
            for val in item_val.values:
                self._collect_refs(val, acc)

        return acc

    # --------------------------------------
    # public, but intended for internal use
    # --------------------------------------