}

// VariableNode holds a list of variable names, possibly with chained field
// accesses. The dollar sign is part of the (first) name.
type VariableNode struct {
	NodeType
	Pos
	tr    *Tree
	Ident []string // Variable name and fields in lexical order.
}

func (t *Tree) newVariable(pos Pos, ident string) *VariableNode {

    StringAttr device_attr =
        variable_v2_op->getAttrOfType<StringAttr>("device");
    if (!device_attr) device_attr = builder.getStringAttr("");
    StringRef variable_name =
        GetNodeNameFromClassAttrOrSharedNameAttr(variable_v2_op);
    if (variable_name.empty()) {
      return signalPassFailure();
    }
    VarHandleOp var_handle_op = builder.create<VarHandleOp>(
        variable_v2_op.getLoc(),

  for (auto func_op : module.getOps<func::FuncOp>()) {
    for (auto var_handle_op : func_op.getOps<TF::VarHandleOp>()) {
      auto variable_name = GetVariableName(var_handle_op);
      if (variable_names.count(variable_name)) continue;
      var_ops.emplace_back(var_handle_op);
      variable_names.insert(variable_name);
    }
  }

  // Get resources from Session.
  auto resource_tensors_or = GetResourcesFromSession(var_ops, session);

  TFE_OpSetAttrShape(op, "shape", {}, 0, status);
  TFE_OpSetAttrString(op, "container", "localhost", 0);
  TFE_OpSetAttrString(op, "shared_name", variable_name.data(),
                      variable_name.size());
  if (!device_name.empty()) {
    TFE_OpSetDevice(op, device_name.c_str(), status);
  }
  if (TF_GetCode(status) != TF_OK) return nullptr;
  TFE_TensorHandle* var_handle = nullptr;
  int num_retvals = 1;

	case *parse.PipeNode:
		// Parenthesized pipeline. The arguments are all inside the pipeline; final must be absent.
		s.notAFunction(cmd.Args, final)
		return s.evalPipeline(dot, n)
	case *parse.VariableNode:
		return s.evalVariableNode(dot, n, cmd.Args, final)
	}
	s.at(firstWord)
	s.notAFunction(cmd.Args, final)
	switch word := firstWord.(type) {
	case *parse.BoolNode:
		return reflect.ValueOf(word.True)

		if err != nil {
			b.Fatal(err)
		}
	}
}

var sinkv, sinkl string

func BenchmarkVariableString(b *testing.B) {
	v := &VariableNode{
		Ident: []string{"$", "A", "BB", "CCC", "THIS_IS_THE_VARIABLE_BEING_PROCESSED"},
	}
	b.ResetTimer()
	b.ReportAllocs()
	for i := 0; i < b.N; i++ {
		sinkv = v.String()
	}
	if sinkv == "" {

  """
  variable_nodes = {}

  for var_node in filter(_is_variable, graph_def.node):
    shared_name = str(var_node.attr['shared_name'].s, encoding='utf-8')
    variable_nodes[shared_name] = var_node

  for func in graph_def.library.function:
    for var_node in filter(_is_variable, func.node_def):
      variable_nodes[shared_name] = var_node

  return variable_nodes

		{"Tree", Type, 0},
		{"Tree.Mode", Field, 16},
		{"Tree.Name", Field, 0},
		{"Tree.ParseName", Field, 1},
		{"Tree.Root", Field, 0},
		{"VariableNode", Type, 0},
		{"VariableNode.Ident", Field, 0},
		{"VariableNode.NodeType", Field, 0},
		{"VariableNode.Pos", Field, 1},
		{"WithNode", Type, 0},
		{"WithNode.BranchNode", Field, 0},
	},
	"time": {
		{"(*Location).String", Method, 0},