def __init__(self,
entity: "Entity",
value_type: "Type",
name: str,
location: Location,
multi: bool = False,
nullable: bool = False) -> None:
Locatable.__init__(self)
self.location = location
self.__name: str = name
entity.add_attribute(self)
self.__entity = entity
self.__multi = multi
self.__nullable = nullable
self.__type: Type = value_type
if multi:
self.__type = TypedList(self.__type)
if nullable:
self.__type = NullableType(self.__type)
self.low: int = 0 if nullable else 1
# This attribute is only used for the DeprecatedOptionVariable
self.high: Optional[int] = None
self.comment = None # type: Optional[str]
self.end: Optional[RelationAttribute] = None
def __init__(
self,
mytype: "Entity",
resolver: Resolver,
queue: QueueScheduler,
node: Optional["dataflow.InstanceNodeReference"] = None,
) -> None:
Locatable.__init__(self)
# ExecutionContext, Resolver -> this class only uses it as an "interface", so no constructor call!
self.resolver = resolver.get_root_resolver()
self.type = mytype
self.slots: Dict[str, ResultVariable] = {}
for attr_name in mytype.get_all_attribute_names():
if attr_name in self.slots:
# prune duplicates because get_new_result_variable() has side effects
# don't use set for pruning because side effects drive control flow and set iteration is nondeterministic
continue
attribute = mytype.get_attribute(attr_name)
assert attribute is not None # Make mypy happy
self.slots[attr_name] = attribute.get_new_result_variable(
self, queue)
# TODO: this is somewhat ugly. Is there a cleaner way to enforce this constraint
assert (resolver.dataflow_graph is None) == (node is None)
self.dataflow_graph: Optional[DataflowGraph] = None
self.instance_node: Optional[dataflow.InstanceNodeReference] = node
if self.instance_node is not None:
self.dataflow_graph = DataflowGraph(self, resolver.dataflow_graph)
for name, var in self.slots.items():
var.set_dataflow_node(
dataflow.InstanceAttributeNodeReference(
self.instance_node.top_node(), name))
self.slots["self"] = ResultVariable()
self.slots["self"].set_value(self, None)
if self.instance_node is not None:
self_var_node: dataflow.AssignableNodeReference = dataflow.AssignableNode(
"__self__").reference()
self_var_node.assign(self.instance_node, self,
cast(DataflowGraph, self.dataflow_graph))
self.slots["self"].set_dataflow_node(self_var_node)
self.sid = id(self)
self.implementations: "Set[Implementation]" = set()
# see inmanta.ast.execute.scheduler.QueueScheduler
self.trackers: List[Tracker] = []
self.locations: List[Location] = []
def __init__(self) -> None:
Locatable.__init__(self)
self.constraint = None # type: ExpressionStatement
self.implementations = [] # type: List[Implementation]
self.comment = None # type: str
self.normalized = False