blob: 1f355eeebeb0c430c6ae3e6b282a394429012762 [file] [log] [blame]
// Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
import 'package:analyzer/src/summary2/reference.dart';
class Scope {
final Scope? parent;
final Map<String, Reference> map;
Scope(this.parent,; : this(null, <String, Reference>{});
void declare(String name, Reference reference) {
map[name] = reference;
void forEach(void Function(String name, Reference reference) f) {
Reference? lookup(String name) {
var reference = map[name];
if (reference != null) return reference;
return parent?.lookup(name);