blob: f6f447aa4d020f31188132406d08a2d8d52baa9d [file] [log] [blame]
// Copyright (c) 2018, 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.
// @dart = 2.9
library fasta.builder_graph;
import 'package:kernel/kernel.dart' show LibraryDependency, LibraryPart;
import 'package:kernel/util/graph.dart' show Graph;
import 'builder/library_builder.dart';
import 'export.dart' show Export;
import 'import.dart' show Import;
import 'dill/dill_library_builder.dart' show DillLibraryBuilder;
import 'source/source_library_builder.dart' show SourceLibraryBuilder;
import 'incremental_compiler.dart' show getPartUri;
class BuilderGraph implements Graph<Uri> {
final Map<Uri, LibraryBuilder> builders;
BuilderGraph(this.builders);
Iterable<Uri> get vertices => builders.keys;
Iterable<Uri> neighborsOf(Uri vertex) sync* {
LibraryBuilder library = builders[vertex];
if (library == null) {
throw "Library not found: $vertex";
}
if (library is SourceLibraryBuilder) {
for (Import import in library.imports) {
// 'imported' can be null for fake imports, such as dart-ext:.
if (import.imported != null) {
Uri uri = import.imported.importUri;
if (builders.containsKey(uri)) {
yield uri;
}
}
}
for (Export export in library.exports) {
Uri uri = export.exported.importUri;
if (builders.containsKey(uri)) {
yield uri;
}
}
for (SourceLibraryBuilder part in library.parts) {
Uri uri = part.importUri;
if (builders.containsKey(uri)) {
yield uri;
}
}
} else if (library is DillLibraryBuilder) {
// Imports and exports
for (LibraryDependency dependency in library.library.dependencies) {
Uri uri = dependency.targetLibrary.importUri;
if (builders.containsKey(uri)) {
yield uri;
}
}
// Parts
for (LibraryPart part in library.library.parts) {
Uri uri = getPartUri(library.importUri, part);
if (builders.containsKey(uri)) {
yield uri;
}
}
}
}
}