Removed fixed dependencies

packages/analyzer/lib/src/summary/summary_sdk.dart

+// Copyright (c) 2015, 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.
+
+library analyzer.src.summary.summary_sdk;
+
+import 'package:analyzer/dart/element/element.dart';
+import 'package:analyzer/dart/element/type.dart';
+import 'package:analyzer/file_system/file_system.dart' show ResourceProvider;
+import 'package:analyzer/src/context/cache.dart' show CacheEntry;
+import 'package:analyzer/src/context/context.dart';
+import 'package:analyzer/src/dart/element/type.dart';
+import 'package:analyzer/src/generated/constant.dart';
+import 'package:analyzer/src/generated/engine.dart';
+import 'package:analyzer/src/generated/resolver.dart';
+import 'package:analyzer/src/generated/sdk.dart';
+import 'package:analyzer/src/generated/source.dart'
+    show DartUriResolver, Source, SourceFactory;
+import 'package:analyzer/src/summary/idl.dart';
+import 'package:analyzer/src/summary/package_bundle_reader.dart';
+import 'package:analyzer/src/summary/resynthesize.dart';
+import 'package:analyzer/src/task/dart.dart';
+import 'package:analyzer/task/model.dart' show ResultDescriptor, TargetedResult;
+
+class SdkSummaryResultProvider extends ResynthesizerResultProvider {
+  final SummaryTypeProvider typeProvider = new SummaryTypeProvider();
+
+  SdkSummaryResultProvider(
+      InternalAnalysisContext context, PackageBundle bundle, bool strongMode)
+      : super(context, new SummaryDataStore(const <String>[])) {
+    addBundle(null, bundle);
+    createResynthesizer(null, typeProvider);
+    _buildCoreLibrary();
+    _buildAsyncLibrary();
+    resynthesizer.finalizeCoreAsyncLibraries();
+    context.typeProvider = typeProvider;
+  }
+
+  @override
+  bool compute(CacheEntry entry, ResultDescriptor result) {
+    if (result == TYPE_PROVIDER) {
+      entry.setValue(result as ResultDescriptor<TypeProvider>, typeProvider,
+          TargetedResult.EMPTY_LIST);
+      return true;
+    }
+    return super.compute(entry, result);
+  }
+
+  @override
+  bool hasResultsForSource(Source source) {
+    return source.source != null && source.isInSystemLibrary;
+  }
+
+  void _buildAsyncLibrary() {
+    LibraryElement library = resynthesizer.getLibraryElement('dart:async');
+    typeProvider.initializeAsync(library);
+  }
+
+  void _buildCoreLibrary() {
+    LibraryElement library = resynthesizer.getLibraryElement('dart:core');
+    typeProvider.initializeCore(library);
+  }
+}
+
+/**
+ * The implementation of [SummaryResynthesizer] for Dart SDK.
+ */
+class SdkSummaryResynthesizer extends SummaryResynthesizer {
+  final PackageBundle bundle;
+  final Map<String, UnlinkedUnit> unlinkedSummaries = <String, UnlinkedUnit>{};
+  final Map<String, LinkedLibrary> linkedSummaries = <String, LinkedLibrary>{};
+
+  SdkSummaryResynthesizer(AnalysisContext context, TypeProvider typeProvider,
+      SourceFactory sourceFactory, this.bundle, bool strongMode)
+      : super(null, context, typeProvider, sourceFactory, strongMode) {
+    for (int i = 0; i < bundle.unlinkedUnitUris.length; i++) {
+      unlinkedSummaries[bundle.unlinkedUnitUris[i]] = bundle.unlinkedUnits[i];
+    }
+    for (int i = 0; i < bundle.linkedLibraryUris.length; i++) {
+      linkedSummaries[bundle.linkedLibraryUris[i]] = bundle.linkedLibraries[i];
+    }
+  }
+
+  @override
+  LinkedLibrary getLinkedSummary(String uri) {
+    return linkedSummaries[uri];
+  }
+
+  @override
+  UnlinkedUnit getUnlinkedSummary(String uri) {
+    return unlinkedSummaries[uri];
+  }
+
+  @override
+  bool hasLibrarySummary(String uri) {
+    return uri.startsWith('dart:');
+  }
+}
+
+/**
+ * An implementation of [DartSdk] which provides analysis results for `dart:`
+ * libraries from the given summary file.  This implementation is limited and
+ * suitable only for command-line tools, but not for IDEs - it does not
+ * implement [sdkLibraries], [sdkVersion], [uris] and [fromFileUri].
+ */
+class SummaryBasedDartSdk implements DartSdk {
+  final bool strongMode;
+  SummaryDataStore _dataStore;
+  InSummaryUriResolver _uriResolver;
+  PackageBundle _bundle;
+  ResourceProvider resourceProvider;
+
+  /**
+   * The [AnalysisContext] which is used for all of the sources in this sdk.
+   */
+  InternalAnalysisContext _analysisContext;
+
+  SummaryBasedDartSdk(String summaryPath, this.strongMode) {
+    _dataStore = new SummaryDataStore(<String>[summaryPath]);
+    _uriResolver = new InSummaryUriResolver(resourceProvider, _dataStore);
+    _bundle = _dataStore.bundles.single;
+  }
+
+  SummaryBasedDartSdk.fromBundle(
+      this.strongMode, PackageBundle bundle, this.resourceProvider) {
+    _dataStore = new SummaryDataStore([]);
+    _dataStore.addBundle('dart_sdk.sum', bundle);
+    _uriResolver = new InSummaryUriResolver(resourceProvider, _dataStore);
+    _bundle = bundle;
+  }
+
+  /**
+   * Return the [PackageBundle] for this SDK, not `null`.
+   */
+  PackageBundle get bundle => _bundle;
+
+  @override
+  AnalysisContext get context {
+    if (_analysisContext == null) {
+      AnalysisOptionsImpl analysisOptions = new AnalysisOptionsImpl()
+        ..strongMode = strongMode;
+      _analysisContext = new SdkAnalysisContext(analysisOptions);
+      SourceFactory factory = new SourceFactory(
+          [new DartUriResolver(this)], null, resourceProvider);
+      _analysisContext.sourceFactory = factory;
+      _analysisContext.resultProvider =
+          new SdkSummaryResultProvider(_analysisContext, _bundle, strongMode);
+    }
+    return _analysisContext;
+  }
+
+  @override
+  List<SdkLibrary> get sdkLibraries {
+    throw new UnimplementedError();
+  }
+
+  @override
+  String get sdkVersion {
+    throw new UnimplementedError();
+  }
+
+  @override
+  List<String> get uris {
+    throw new UnimplementedError();
+  }
+
+  @override
+  Source fromFileUri(Uri uri) {
+    return null;
+  }
+
+  @override
+  PackageBundle getLinkedBundle() => _bundle;
+
+  @override
+  SdkLibrary getSdkLibrary(String uri) {
+    // This is not quite correct, but currently it's used only in
+    // to report errors on importing or exporting of internal libraries.
+    return null;
+  }
+
+  @override
+  Source mapDartUri(String uriStr) {
+    Uri uri = Uri.parse(uriStr);
+    return _uriResolver.resolveAbsolute(uri);
+  }
+}
+
+/**
+ * Implementation of [TypeProvider] which can be initialized separately with
+ * `dart:core` and `dart:async` libraries.
+ */
+class SummaryTypeProvider extends TypeProviderBase {
+  LibraryElement _coreLibrary;
+  LibraryElement _asyncLibrary;
+
+  InterfaceType _boolType;
+  InterfaceType _deprecatedType;
+  InterfaceType _doubleType;
+  InterfaceType _functionType;
+  InterfaceType _futureDynamicType;
+  InterfaceType _futureNullType;
+  InterfaceType _futureType;
+  InterfaceType _intType;
+  InterfaceType _iterableDynamicType;
+  InterfaceType _iterableType;
+  InterfaceType _listType;
+  InterfaceType _mapType;
+  DartObjectImpl _nullObject;
+  InterfaceType _nullType;
+  InterfaceType _numType;
+  InterfaceType _objectType;
+  InterfaceType _stackTraceType;
+  InterfaceType _streamDynamicType;
+  InterfaceType _streamType;
+  InterfaceType _stringType;
+  InterfaceType _symbolType;
+  InterfaceType _typeType;
+
+  @override
+  InterfaceType get boolType {
+    assert(_coreLibrary != null);
+    _boolType ??= _getType(_coreLibrary, "bool");
+    return _boolType;
+  }
+
+  @override
+  DartType get bottomType => BottomTypeImpl.instance;
+
+  @override
+  InterfaceType get deprecatedType {
+    assert(_coreLibrary != null);
+    _deprecatedType ??= _getType(_coreLibrary, "Deprecated");
+    return _deprecatedType;
+  }
+
+  @override
+  InterfaceType get doubleType {
+    assert(_coreLibrary != null);
+    _doubleType ??= _getType(_coreLibrary, "double");
+    return _doubleType;
+  }
+
+  @override
+  DartType get dynamicType => DynamicTypeImpl.instance;
+
+  @override
+  InterfaceType get functionType {
+    assert(_coreLibrary != null);
+    _functionType ??= _getType(_coreLibrary, "Function");
+    return _functionType;
+  }
+
+  @override
+  InterfaceType get futureDynamicType {
+    assert(_asyncLibrary != null);
+    _futureDynamicType ??= futureType.instantiate(<DartType>[dynamicType]);
+    return _futureDynamicType;
+  }
+
+  @override
+  InterfaceType get futureNullType {
+    assert(_asyncLibrary != null);
+    _futureNullType ??= futureType.instantiate(<DartType>[nullType]);
+    return _futureNullType;
+  }
+
+  @override
+  InterfaceType get futureType {
+    assert(_asyncLibrary != null);
+    _futureType ??= _getType(_asyncLibrary, "Future");
+    return _futureType;
+  }
+
+  @override
+  InterfaceType get intType {
+    assert(_coreLibrary != null);
+    _intType ??= _getType(_coreLibrary, "int");
+    return _intType;
+  }
+
+  @override
+  InterfaceType get iterableDynamicType {
+    assert(_coreLibrary != null);
+    _iterableDynamicType ??= iterableType.instantiate(<DartType>[dynamicType]);
+    return _iterableDynamicType;
+  }
+
+  @override
+  InterfaceType get iterableType {
+    assert(_coreLibrary != null);
+    _iterableType ??= _getType(_coreLibrary, "Iterable");
+    return _iterableType;
+  }
+
+  @override
+  InterfaceType get listType {
+    assert(_coreLibrary != null);
+    _listType ??= _getType(_coreLibrary, "List");
+    return _listType;
+  }
+
+  @override
+  InterfaceType get mapType {
+    assert(_coreLibrary != null);
+    _mapType ??= _getType(_coreLibrary, "Map");
+    return _mapType;
+  }
+
+  @override
+  DartObjectImpl get nullObject {
+    if (_nullObject == null) {
+      _nullObject = new DartObjectImpl(nullType, NullState.NULL_STATE);
+    }
+    return _nullObject;
+  }
+
+  @override
+  InterfaceType get nullType {
+    assert(_coreLibrary != null);
+    _nullType ??= _getType(_coreLibrary, "Null");
+    return _nullType;
+  }
+
+  @override
+  InterfaceType get numType {
+    assert(_coreLibrary != null);
+    _numType ??= _getType(_coreLibrary, "num");
+    return _numType;
+  }
+
+  @override
+  InterfaceType get objectType {
+    assert(_coreLibrary != null);
+    _objectType ??= _getType(_coreLibrary, "Object");
+    return _objectType;
+  }
+
+  @override
+  InterfaceType get stackTraceType {
+    assert(_coreLibrary != null);
+    _stackTraceType ??= _getType(_coreLibrary, "StackTrace");
+    return _stackTraceType;
+  }
+
+  @override
+  InterfaceType get streamDynamicType {
+    assert(_asyncLibrary != null);
+    _streamDynamicType ??= streamType.instantiate(<DartType>[dynamicType]);
+    return _streamDynamicType;
+  }
+
+  @override
+  InterfaceType get streamType {
+    assert(_asyncLibrary != null);
+    _streamType ??= _getType(_asyncLibrary, "Stream");
+    return _streamType;
+  }
+
+  @override
+  InterfaceType get stringType {
+    assert(_coreLibrary != null);
+    _stringType ??= _getType(_coreLibrary, "String");
+    return _stringType;
+  }
+
+  @override
+  InterfaceType get symbolType {
+    assert(_coreLibrary != null);
+    _symbolType ??= _getType(_coreLibrary, "Symbol");
+    return _symbolType;
+  }
+
+  @override
+  InterfaceType get typeType {
+    assert(_coreLibrary != null);
+    _typeType ??= _getType(_coreLibrary, "Type");
+    return _typeType;
+  }
+
+  @override
+  DartType get undefinedType => UndefinedTypeImpl.instance;
+
+  /**
+   * Initialize the `dart:async` types provided by this type provider.
+   */
+  void initializeAsync(LibraryElement library) {
+    assert(_coreLibrary != null);
+    assert(_asyncLibrary == null);
+    _asyncLibrary = library;
+  }
+
+  /**
+   * Initialize the `dart:core` types provided by this type provider.
+   */
+  void initializeCore(LibraryElement library) {
+    assert(_coreLibrary == null);
+    assert(_asyncLibrary == null);
+    _coreLibrary = library;
+  }
+
+  /**
+   * Return the type with the given [name] from the given [library], or
+   * throw a [StateError] if there is no class with the given name.
+   */
+  InterfaceType _getType(LibraryElement library, String name) {
+    Element element = library.getType(name);
+    if (element == null) {
+      throw new StateError("No definition of type $name");
+    }
+    return (element as ClassElement).type;
+  }
+}