JPathExpr     *JSONPath   `parser:"| @@"`
	ListExpr      *ListExpr   `parser:"| @@"`
	SubExpression *Expression `parser:"| \"(\" @@ \")\""`
	// Include function expressions here.
	FuncCall *FuncExpr `parser:"| @@"`
}

// FuncExpr represents a function call
type FuncExpr struct {
	SFunc     *SimpleArgFunc `parser:"  @@"`
	Count     *CountFunc     `parser:"| @@"`

  func.mutable_signature()->set_is_stateful(true);
  *flib_def.add_function() = std::move(func);
  TF_ASSERT_OK(root.graph()->AddFunctionLibrary(flib_def));
  NodeDef call_node;
  call_node.set_name("fn_call");
  call_node.set_op("Stateful_func");
  Status status;
  Node* call = root.graph()->AddNode(call_node, &status);
  TF_ASSERT_OK(status);

  Output shape = Output(call, 0);
  Output reshape_input =

  return host_compute_node;
}

// Resets "_device_ordinal" attr to placeholder value for related nodes
// (XlaRecvAtHost nodes; XlaSendFromHost nodes; If/While/FuncCall nodes
// containing XlaRecvAtHost/XlaSendFromHost).
Status ResetDeviceOrdinalToPlaceholderValue(Graph* g) {
  AttrValue device_ordinal_value;
  device_ordinal_value.set_placeholder("_device_ordinal");