Asger Feldthaus
8dd2b15951
This is implemented as a separate pass, although going forward I would like the new frontend to insert these checks. R=kmillikin@google.com Review-Url: https://codereview.chromium.org/2619193003 .
28 lines
922 B
Dart
28 lines
922 B
Dart
// Copyright (c) 2016, 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 kernel.repository;
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import 'ast.dart';
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/// Keeps track of which [Library] objects have been created for a given URI.
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///
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/// To load different files into the same IR, pass in the same repository
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/// object to the loaders.
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class Repository {
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final Map<Uri, Library> _uriToLibrary = <Uri, Library>{};
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final List<Library> libraries = <Library>[];
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Library getLibraryReference(Uri uri) {
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assert(uri.hasScheme);
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return _uriToLibrary.putIfAbsent(uri, () => _buildLibraryReference(uri));
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}
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Library _buildLibraryReference(Uri uri) {
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assert(uri.hasScheme);
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var library = new Library(uri, isExternal: true)..fileUri = '$uri';
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libraries.add(library);
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return library;
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}
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}
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