fix #27403, use AST summaries in DDC

pkg/dev_compiler/lib/src/analyzer/context.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.
 
 import 'package:args/args.dart' show ArgParser, ArgResults;
 import 'package:analyzer/file_system/file_system.dart'
     show ResourceProvider, ResourceUriResolver;
 import 'package:analyzer/file_system/physical_file_system.dart'
     show PhysicalResourceProvider;
 import 'package:analyzer/source/custom_resolver.dart';
 import 'package:analyzer/source/package_map_resolver.dart';
 import 'package:analyzer/src/context/builder.dart';
 import 'package:analyzer/src/context/context.dart' show AnalysisContextImpl;
 import 'package:analyzer/src/dart/sdk/sdk.dart' show FolderBasedDartSdk;
 import 'package:analyzer/src/generated/engine.dart'
-    show AnalysisContext, AnalysisEngine, AnalysisOptionsImpl;
+    show AnalysisEngine, AnalysisOptionsImpl;
 import 'package:analyzer/src/generated/source.dart'
     show DartUriResolver, SourceFactory, UriResolver;
 import 'package:analyzer/src/summary/package_bundle_reader.dart'
-    show InSummaryUriResolver, InputPackagesResultProvider, SummaryDataStore;
+    show InSummaryUriResolver, SummaryDataStore;
 import 'package:analyzer/src/summary/summary_sdk.dart' show SummaryBasedDartSdk;
 import 'package:cli_util/cli_util.dart' show getSdkDir;
 import 'package:path/path.dart' as path;
 
 import 'multi_package_resolver.dart' show MultiPackageResolver;
 
 /// Options used to set up Source URI resolution in the analysis context.
 class AnalyzerOptions {
   /// Custom URI mappings, such as "dart:foo" -> "path/to/foo.dart"
   final Map<String, String> customUrlMappings;
@@ skipping 60 matching lines @@
     for (var mapping in argument) {
       var splitMapping = mapping.split(',');
       if (splitMapping.length >= 2) {
         mappings[splitMapping[0]] = path.absolute(splitMapping[1]);
       }
     }
     return mappings;
   }
 }
 
-/// Creates an [AnalysisContext] with dev_compiler type rules and inference,
-/// using [createSourceFactory] to set up its [SourceFactory].
-AnalysisContext createAnalysisContextWithSources(AnalyzerOptions options,
-    {DartUriResolver sdkResolver,
-    List<UriResolver> fileResolvers,
-    ResourceProvider resourceProvider}) {
-  AnalysisEngine.instance.processRequiredPlugins();
-
-  sdkResolver ??=
-      createSdkPathResolver(options.dartSdkSummaryPath, options.dartSdkPath);
-
-  // Read the summaries.
-  SummaryDataStore summaryData;
-  if (options.summaryPaths.isNotEmpty) {
-    summaryData = new SummaryDataStore(options.summaryPaths);
-  }
-
-  var srcFactory = _createSourceFactory(options,
-      sdkResolver: sdkResolver,
-      fileResolvers: fileResolvers,
-      summaryData: summaryData,
-      resourceProvider: resourceProvider);
-
-  var context = createAnalysisContext();
-  context.sourceFactory = srcFactory;
-  if (summaryData != null) {
-    context.typeProvider = sdkResolver.dartSdk.context.typeProvider;
-    context.resultProvider =
-        new InputPackagesResultProvider(context, summaryData);
-  }
-  return context;
-}
-
 /// Creates an analysis context that contains our restricted typing rules.
 AnalysisContextImpl createAnalysisContext() {
   var res = AnalysisEngine.instance.createAnalysisContext();
   res.analysisOptions = new AnalysisOptionsImpl()
     ..strongMode = true
     ..trackCacheDependencies = false;
   return res;
 }
 
 /// Creates a SourceFactory configured by the [options].
 ///
 /// Use [options.useMockSdk] to specify the SDK mode, or use [sdkResolver]
 /// to entirely override the DartUriResolver.
 ///
 /// If supplied, [fileResolvers] will override the default `file:` and
 /// `package:` URI resolvers.
-SourceFactory _createSourceFactory(AnalyzerOptions options,
+SourceFactory createSourceFactory(AnalyzerOptions options,
     {DartUriResolver sdkResolver,
     List<UriResolver> fileResolvers,
     SummaryDataStore summaryData,
     ResourceProvider resourceProvider}) {
   resourceProvider ??= PhysicalResourceProvider.INSTANCE;
   var resolvers = <UriResolver>[];
   if (options.customUrlMappings.isNotEmpty) {
     resolvers.add(
         new CustomUriResolver(resourceProvider, options.customUrlMappings));
   }
@@ skipping 36 matching lines @@
   return sdk;
 }
 
 /// Creates a [DartUriResolver] that uses the SDK at the given [sdkPath].
 DartUriResolver createSdkPathResolver(String sdkSummaryPath, String sdkPath) {
   var sdk = (sdkSummaryPath != null)
       ? new SummaryBasedDartSdk(sdkSummaryPath, true)
       : _createFolderBasedDartSdk(sdkPath);
   return new DartUriResolver(sdk);
 }