Brian Wilkerson
f0d249e269
R=scheglov@google.com Review URL: https://codereview.chromium.org/1513643009 .
45 lines
1.4 KiB
Dart
45 lines
1.4 KiB
Dart
// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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library analyzer.source.package_map_provider;
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import 'package:analyzer/file_system/file_system.dart';
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/**
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* Data structure output by PackageMapProvider. This contains both the package
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* map and dependency information.
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*/
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class PackageMapInfo {
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/**
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* The package map itself. This is a map from package name to a list of
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* the folders containing source code for the package.
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*
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* `null` if an error occurred.
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*/
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Map<String, List<Folder>> packageMap;
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/**
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* Dependency information. This is a set of the paths which were consulted
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* in order to generate the package map. If any of these files is
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* modified, the package map will need to be regenerated.
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*/
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Set<String> dependencies;
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PackageMapInfo(this.packageMap, this.dependencies);
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}
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/**
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* A PackageMapProvider is an entity capable of determining the mapping from
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* package name to source directory for a given folder.
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*/
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abstract class PackageMapProvider {
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/**
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* Compute a package map for the given folder, if possible.
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*
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* If a package map can't be computed (e.g. because an error occurred), a
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* [PackageMapInfo] will still be returned, but its packageMap will be null.
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*/
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PackageMapInfo computePackageMap(Folder folder);
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}
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