| // Copyright (c) 2019, 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. |
| |
| /// Test the modular compilation pipeline of ddc. |
| /// |
| /// This is a shell that runs multiple tests, one per folder under `data/`. |
| import 'dart:io'; |
| |
| import 'package:modular_test/src/io_pipeline.dart'; |
| import 'package:modular_test/src/pipeline.dart'; |
| import 'package:modular_test/src/suite.dart'; |
| import 'package:modular_test/src/runner.dart'; |
| |
| Uri sdkRoot = Platform.script.resolve("../../../"); |
| Options _options; |
| String _dartdevcScript; |
| String _kernelWorkerScript; |
| main(List<String> args) async { |
| _options = Options.parse(args); |
| await _resolveScripts(); |
| await runSuite( |
| sdkRoot.resolve('tests/modular/'), |
| 'tests/modular', |
| _options, |
| IOPipeline([ |
| SourceToSummaryDillStep(), |
| DDKStep(), |
| RunD8(), |
| ], cacheSharedModules: true)); |
| } |
| |
| const dillId = DataId("dill"); |
| const jsId = DataId("js"); |
| const txtId = DataId("txt"); |
| |
| class SourceToSummaryDillStep implements IOModularStep { |
| @override |
| List<DataId> get resultData => const [dillId]; |
| |
| @override |
| bool get needsSources => true; |
| |
| @override |
| List<DataId> get dependencyDataNeeded => const [dillId]; |
| |
| @override |
| List<DataId> get moduleDataNeeded => const []; |
| |
| @override |
| bool get onlyOnMain => false; |
| |
| @override |
| Future<void> execute(Module module, Uri root, ModuleDataToRelativeUri toUri, |
| List<String> flags) async { |
| if (_options.verbose) print("\nstep: source-to-dill on $module"); |
| |
| // We use non file-URI schemes for representing source locations in a |
| // root-agnostic way. This allows us to refer to file across modules and |
| // across steps without exposing the underlying temporary folders that are |
| // created by the framework. In build systems like bazel this is especially |
| // important because each step may be run on a different machine. |
| // |
| // Files in packages are defined in terms of `package:` URIs, while |
| // non-package URIs are defined using the `dart-dev-app` scheme. |
| String rootScheme = module.isSdk ? 'dev-dart-sdk' : 'dev-dart-app'; |
| String sourceToImportUri(Uri relativeUri) => |
| _sourceToImportUri(module, rootScheme, relativeUri); |
| |
| Set<Module> transitiveDependencies = computeTransitiveDependencies(module); |
| await _createPackagesFile(module, root, transitiveDependencies); |
| |
| List<String> sources; |
| List<String> extraArgs; |
| if (module.isSdk) { |
| sources = ['dart:core']; |
| extraArgs = ['--libraries-file', '$rootScheme:///sdk/lib/libraries.json']; |
| assert(transitiveDependencies.isEmpty); |
| } else { |
| sources = module.sources.map(sourceToImportUri).toList(); |
| extraArgs = ['--packages-file', '$rootScheme:/.packages']; |
| } |
| |
| List<String> args = [ |
| _kernelWorkerScript, |
| '--summary-only', |
| '--target', |
| 'ddc', |
| '--multi-root', |
| '$root', |
| '--multi-root-scheme', |
| rootScheme, |
| ...extraArgs, |
| '--output', |
| '${toUri(module, dillId)}', |
| ...(transitiveDependencies |
| .expand((m) => ['--input-linked', '${toUri(m, dillId)}'])), |
| ...(sources.expand((String uri) => ['--source', uri])), |
| ...(flags.expand((String flag) => ['--enable-experiment', flag])), |
| ]; |
| |
| var result = |
| await _runProcess(Platform.resolvedExecutable, args, root.toFilePath()); |
| _checkExitCode(result, this, module); |
| } |
| |
| @override |
| void notifyCached(Module module) { |
| if (_options.verbose) print("\ncached step: source-to-dill on $module"); |
| } |
| } |
| |
| class DDKStep implements IOModularStep { |
| @override |
| List<DataId> get resultData => const [jsId]; |
| |
| @override |
| bool get needsSources => true; |
| |
| @override |
| List<DataId> get dependencyDataNeeded => const [dillId]; |
| |
| @override |
| List<DataId> get moduleDataNeeded => const [dillId]; |
| |
| @override |
| bool get onlyOnMain => false; |
| |
| @override |
| Future<void> execute(Module module, Uri root, ModuleDataToRelativeUri toUri, |
| List<String> flags) async { |
| if (_options.verbose) print("\nstep: ddk on $module"); |
| |
| Set<Module> transitiveDependencies = computeTransitiveDependencies(module); |
| await _createPackagesFile(module, root, transitiveDependencies); |
| |
| String rootScheme = module.isSdk ? 'dev-dart-sdk' : 'dev-dart-app'; |
| List<String> sources; |
| List<String> extraArgs; |
| if (module.isSdk) { |
| sources = ['dart:core']; |
| extraArgs = ['--compile-sdk']; |
| assert(transitiveDependencies.isEmpty); |
| } else { |
| Module sdkModule = module.dependencies.firstWhere((m) => m.isSdk); |
| sources = module.sources |
| .map((relativeUri) => |
| _sourceToImportUri(module, rootScheme, relativeUri)) |
| .toList(); |
| extraArgs = [ |
| '--dart-sdk-summary', |
| '${toUri(sdkModule, dillId)}', |
| '--packages', |
| '.packages', |
| ]; |
| } |
| |
| Uri output = toUri(module, jsId); |
| |
| List<String> args = [ |
| '--packages=${sdkRoot.toFilePath()}/.packages', |
| _dartdevcScript, |
| '--kernel', |
| '--modules=es6', |
| '--no-summarize', |
| '--no-source-map', |
| '--multi-root-scheme', |
| rootScheme, |
| ...sources, |
| ...extraArgs, |
| for (String flag in flags) '--enable-experiment=$flag', |
| ...(transitiveDependencies |
| .where((m) => !m.isSdk) |
| .expand((m) => ['-s', '${toUri(m, dillId)}=${m.name}'])), |
| '-o', |
| '$output', |
| ]; |
| var result = |
| await _runProcess(Platform.resolvedExecutable, args, root.toFilePath()); |
| _checkExitCode(result, this, module); |
| } |
| |
| @override |
| void notifyCached(Module module) { |
| if (_options.verbose) print("\ncached step: ddk on $module"); |
| } |
| } |
| |
| class RunD8 implements IOModularStep { |
| @override |
| List<DataId> get resultData => const [txtId]; |
| |
| @override |
| bool get needsSources => false; |
| |
| @override |
| List<DataId> get dependencyDataNeeded => const [jsId]; |
| |
| @override |
| List<DataId> get moduleDataNeeded => const [jsId]; |
| |
| @override |
| bool get onlyOnMain => true; |
| |
| @override |
| Future<void> execute(Module module, Uri root, ModuleDataToRelativeUri toUri, |
| List<String> flags) async { |
| if (_options.verbose) print("\nstep: d8 on $module"); |
| |
| // Rename sdk.js to dart_sdk.js (the alternative, but more hermetic solution |
| // would be to rename the import on all other .js files, but seems |
| // overkill/unnecessary. |
| if (await File.fromUri(root.resolve('dart_sdk.js')).exists()) { |
| throw 'error: dart_sdk.js already exists.'; |
| } |
| |
| await File.fromUri(root.resolve('sdk.js')) |
| .copy(root.resolve('dart_sdk.js').toFilePath()); |
| var runjs = ''' |
| import { dart, _isolate_helper } from 'dart_sdk.js'; |
| import { main } from 'main.js'; |
| _isolate_helper.startRootIsolate(() => {}, []); |
| main.main(); |
| '''; |
| |
| var wrapper = |
| root.resolveUri(toUri(module, jsId)).toFilePath() + ".wrapper.js"; |
| await File(wrapper).writeAsString(runjs); |
| List<String> d8Args = ['--module', wrapper]; |
| var result = await _runProcess( |
| sdkRoot.resolve(_d8executable).toFilePath(), d8Args, root.toFilePath()); |
| |
| _checkExitCode(result, this, module); |
| |
| await File.fromUri(root.resolveUri(toUri(module, txtId))) |
| .writeAsString(result.stdout as String); |
| } |
| |
| @override |
| void notifyCached(Module module) { |
| if (_options.verbose) print("\ncached step: d8 on $module"); |
| } |
| } |
| |
| void _checkExitCode(ProcessResult result, IOModularStep step, Module module) { |
| if (result.exitCode != 0 || _options.verbose) { |
| stdout.write(result.stdout); |
| stderr.write(result.stderr); |
| } |
| if (result.exitCode != 0) { |
| throw "${step.runtimeType} failed on $module:\n\n" |
| "stdout:\n${result.stdout}\n\n" |
| "stderr:\n${result.stderr}"; |
| } |
| } |
| |
| Future<ProcessResult> _runProcess( |
| String command, List<String> arguments, String workingDirectory) { |
| if (_options.verbose) { |
| print('command:\n$command ${arguments.join(' ')} from $workingDirectory'); |
| } |
| return Process.run(command, arguments, workingDirectory: workingDirectory); |
| } |
| |
| String get _d8executable { |
| if (Platform.isWindows) { |
| return 'third_party/d8/windows/d8.exe'; |
| } else if (Platform.isLinux) { |
| return 'third_party/d8/linux/d8'; |
| } else if (Platform.isMacOS) { |
| return 'third_party/d8/macos/d8'; |
| } |
| throw UnsupportedError('Unsupported platform.'); |
| } |
| |
| Future<void> _createPackagesFile( |
| Module module, Uri root, Set<Module> transitiveDependencies) async { |
| // We create a .packages file which defines the location of this module if |
| // it is a package. The CFE requires that if a `package:` URI of a |
| // dependency is used in an import, then we need that package entry in the |
| // .packages file. However, after it checks that the definition exists, the |
| // CFE will not actually use the resolved URI if a library for the import |
| // URI is already found in one of the provided .dill files of the |
| // dependencies. For that reason, and to ensure that a step only has access |
| // to the files provided in a module, we generate a .packages with invalid |
| // folders for other packages. |
| // TODO(sigmund): follow up with the CFE to see if we can remove the need |
| // for the .packages entry altogether if they won't need to read the |
| // sources. |
| var packagesContents = StringBuffer(); |
| if (module.isPackage) { |
| packagesContents.write('${module.name}:${module.packageBase}\n'); |
| } |
| for (Module dependency in transitiveDependencies) { |
| if (dependency.isPackage) { |
| packagesContents.write('${dependency.name}:unused\n'); |
| } |
| } |
| |
| await File.fromUri(root.resolve('.packages')) |
| .writeAsString('$packagesContents'); |
| } |
| |
| String _sourceToImportUri(Module module, String rootScheme, Uri relativeUri) { |
| if (module.isPackage) { |
| var basePath = module.packageBase.path; |
| var packageRelativePath = basePath == "./" |
| ? relativeUri.path |
| : relativeUri.path.substring(basePath.length); |
| return 'package:${module.name}/$packageRelativePath'; |
| } else { |
| return '$rootScheme:/$relativeUri'; |
| } |
| } |
| |
| Future<void> _resolveScripts() async { |
| Future<String> resolve( |
| String sdkSourcePath, String relativeSnapshotPath) async { |
| String result = sdkRoot.resolve(sdkSourcePath).toFilePath(); |
| if (_options.useSdk) { |
| String snapshot = Uri.file(Platform.resolvedExecutable) |
| .resolve(relativeSnapshotPath) |
| .toFilePath(); |
| if (await File(snapshot).exists()) { |
| return snapshot; |
| } |
| } |
| return result; |
| } |
| |
| _dartdevcScript = await resolve( |
| 'pkg/dev_compiler/bin/dartdevc.dart', 'snapshots/dartdevc.dart.snapshot'); |
| _kernelWorkerScript = await resolve('utils/bazel/kernel_worker.dart', |
| 'snapshots/kernel_worker.dart.snapshot'); |
| } |