Generate spec.sum and strong.sum summaties for SDK.

pkg/analyzer/tool/summary/build_sdk_summary.dart

-import 'dart:io';
-
-import 'package:analyzer/dart/element/element.dart';
-import 'package:analyzer/src/generated/engine.dart';
-import 'package:analyzer/src/generated/java_io.dart';
-import 'package:analyzer/src/generated/sdk.dart';
-import 'package:analyzer/src/generated/sdk_io.dart';
-import 'package:analyzer/src/generated/source.dart';
-import 'package:analyzer/src/summary/format.dart';
-import 'package:analyzer/src/summary/summarize_elements.dart';
-
-main(List<String> args) {
-  if (args.length < 1 || args.length > 2) {
-    _printUsage();
-    exitCode = 1;
-    return;
-  }
-  //
-  // Prepare output file path.
-  //
-  String outputFilePath = args[0];
-  if (FileSystemEntity.isDirectorySync(outputFilePath)) {
-    print("'$outputFilePath' is a directory.");
-    _printUsage();
-    exitCode = 1;
-    return;
-  }
-  //
-  // Prepare SDK path.
-  //
-  String sdkPath;
-  if (args.length == 2) {
-    sdkPath = args[1];
-    if (!FileSystemEntity.isDirectorySync('$sdkPath/lib')) {
-      print("'$sdkPath/lib' does not exist.");
-      _printUsage();
-      exitCode = 1;
-      return;
-    }
-  } else {
-    sdkPath = DirectoryBasedDartSdk.defaultSdkDirectory.getAbsolutePath();
-  }
-  //
-  // Prepare SDK.
-  //
-  DirectoryBasedDartSdk sdk = new DirectoryBasedDartSdk(new JavaFile(sdkPath));
-  AnalysisContext context = sdk.context;
-  //
-  // Serialize each SDK library.
-  //
-  List<String> linkedLibraryUris = <String>[];
-  List<LinkedLibraryBuilder> linkedLibraries = <LinkedLibraryBuilder>[];
-  List<String> unlinkedUnitUris = <String>[];
-  List<UnlinkedUnitBuilder> unlinkedUnits = <UnlinkedUnitBuilder>[];
-  for (SdkLibrary lib in sdk.sdkLibraries) {
-    print('Resolving and serializing: ${lib.shortName}');
-    Source librarySource = sdk.mapDartUri(lib.shortName);
-    LibraryElement libraryElement =
-        context.computeLibraryElement(librarySource);
-    // TODO(paulberry): also build a summary of the SDK in strong mode.
-    LibrarySerializationResult libraryResult =
-        serializeLibrary(libraryElement, context.typeProvider, false);
-    linkedLibraryUris.add(lib.shortName);
-    linkedLibraries.add(libraryResult.linked);
-    unlinkedUnitUris.addAll(libraryResult.unitUris);
-    unlinkedUnits.addAll(libraryResult.unlinkedUnits);
-  }
-  //
-  // Write the whole SDK bundle.
-  //
-  SdkBundleBuilder sdkBundle = new SdkBundleBuilder(
-      linkedLibraryUris: linkedLibraryUris,
-      linkedLibraries: linkedLibraries,
-      unlinkedUnitUris: unlinkedUnitUris,
-      unlinkedUnits: unlinkedUnits);
-  File file = new File(outputFilePath);
-  file.writeAsBytesSync(sdkBundle.toBuffer(), mode: FileMode.WRITE_ONLY);
-}
-
-/**
- * The name of the SDK summary builder application.
- */
-const BINARY_NAME = "build_sdk_summary";
-
-/**
- * Print information about how to use the SDK summary builder.
- */
-void _printUsage() {
-  print('Usage: $BINARY_NAME output_file_path [sdk_path]');
-}