| // Copyright (c) 2017, 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. |
| |
| // Partial test that the closed world computed from [WorldImpact]s derived from |
| // kernel is equivalent to the original computed from resolution. |
| library dart2js.kernel.closed_world2_test; |
| |
| import 'dart:async'; |
| |
| import 'package:async_helper/async_helper.dart'; |
| import 'package:compiler/src/commandline_options.dart'; |
| import 'package:compiler/src/common.dart'; |
| import 'package:compiler/src/common_elements.dart'; |
| import 'package:compiler/src/compiler.dart'; |
| import 'package:compiler/src/elements/resolution_types.dart'; |
| import 'package:compiler/src/elements/types.dart'; |
| import 'package:compiler/src/enqueue.dart'; |
| import 'package:compiler/src/js_backend/backend_usage.dart'; |
| import 'package:compiler/src/kernel/element_map_impl.dart'; |
| import 'package:compiler/src/kernel/kernel_strategy.dart'; |
| import 'package:compiler/src/serialization/equivalence.dart'; |
| import 'package:compiler/src/universe/world_builder.dart'; |
| import 'package:compiler/src/util/util.dart'; |
| import 'package:compiler/src/world.dart'; |
| import 'package:expect/expect.dart'; |
| import '../memory_compiler.dart'; |
| import '../serialization/helper.dart'; |
| import '../equivalence/check_functions.dart'; |
| import 'compiler_helper.dart'; |
| import 'test_helpers.dart'; |
| |
| const SOURCE = const { |
| 'main.dart': ''' |
| import 'dart:html'; |
| import 'dart:typed_data'; |
| import 'package:expect/expect.dart'; |
| |
| class ClassWithSetter { |
| void set setter(_) {} |
| } |
| |
| class Mixin { |
| method1() {} |
| method2() {} |
| method3() {} |
| } |
| class Class1 = Object with Mixin; |
| class Class2 extends Object with Mixin { |
| method3() {} |
| } |
| |
| method1() {} // Deliberately the same name as the instance member in Mixin. |
| |
| @NoInline() |
| main() { |
| print('Hello World'); |
| ''.contains; // Trigger member closurization. |
| new Element.div(); |
| new ClassWithSetter().setter = null; |
| new Class1().method1(); |
| new Class2().method2(); |
| new Class2().method3(); |
| null is List<int>; // Use generic test |
| method1(); // Both top level and instance method named 'method1' are live. |
| #main; // Use a const symbol. |
| const Symbol('foo'); // Use the const Symbol constructor directly |
| new Int8List(0); // Use redirect factory to abstract native class |
| } |
| ''' |
| }; |
| |
| main(List<String> args) { |
| asyncTest(() async { |
| await mainInternal(args); |
| }); |
| } |
| |
| enum ResultKind { crashes, errors, warnings, success, failure } |
| |
| Future<ResultKind> mainInternal(List<String> args, |
| {bool skipWarnings: false, bool skipErrors: false}) async { |
| Arguments arguments = new Arguments.from(args); |
| Uri entryPoint; |
| Map<String, String> memorySourceFiles; |
| if (arguments.uri != null) { |
| entryPoint = arguments.uri; |
| memorySourceFiles = const <String, String>{}; |
| } else { |
| entryPoint = Uri.parse('memory:main.dart'); |
| memorySourceFiles = SOURCE; |
| } |
| |
| enableDebugMode(); |
| |
| print('---- analyze-only ------------------------------------------------'); |
| DiagnosticCollector collector = new DiagnosticCollector(); |
| Compiler compiler1 = compilerFor( |
| entryPoint: entryPoint, |
| memorySourceFiles: memorySourceFiles, |
| diagnosticHandler: collector, |
| options: [Flags.analyzeOnly, Flags.enableAssertMessage]); |
| ElementResolutionWorldBuilder.useInstantiationMap = true; |
| compiler1.resolution.retainCachesForTesting = true; |
| await compiler1.run(entryPoint); |
| if (collector.crashes.isNotEmpty) { |
| print('Skipping due to crashes.'); |
| return ResultKind.crashes; |
| } |
| if (collector.errors.isNotEmpty && skipErrors) { |
| print('Skipping due to errors.'); |
| return ResultKind.errors; |
| } |
| if (collector.warnings.isNotEmpty && skipWarnings) { |
| print('Skipping due to warnings.'); |
| return ResultKind.warnings; |
| } |
| Expect.isFalse(compiler1.compilationFailed); |
| ResolutionEnqueuer enqueuer1 = compiler1.enqueuer.resolution; |
| ClosedWorld closedWorld1 = compiler1.resolutionWorldBuilder.closeWorld(); |
| BackendUsage backendUsage1 = closedWorld1.backendUsage; |
| |
| Pair<Compiler, Compiler> compilers = |
| await analyzeOnly(entryPoint, memorySourceFiles, printSteps: true); |
| Compiler compiler = compilers.a; |
| compiler.resolutionWorldBuilder.closeWorld(); |
| ElementEnvironment environment1 = compiler.elementEnvironment; |
| |
| Compiler compiler2 = compilers.b; |
| KernelFrontEndStrategy frontEndStrategy = compiler2.frontEndStrategy; |
| KernelToElementMapImpl elementMap = frontEndStrategy.elementMap; |
| Expect.isFalse(compiler2.compilationFailed); |
| |
| KernelEquivalence equivalence = new KernelEquivalence(elementMap); |
| TestStrategy strategy = equivalence.defaultStrategy; |
| |
| ElementEnvironment environment2 = compiler2.elementEnvironment; |
| checkElementEnvironment(environment1, environment2, strategy); |
| |
| ResolutionEnqueuer enqueuer2 = compiler2.enqueuer.resolution; |
| ClosedWorld closedWorld2 = compiler2.resolutionWorldBuilder.closeWorld(); |
| BackendUsage backendUsage2 = closedWorld2.backendUsage; |
| |
| checkNativeClasses(compiler1, compiler2, strategy); |
| |
| checkBackendUsage(backendUsage1, backendUsage2, strategy); |
| |
| checkResolutionEnqueuers(backendUsage1, backendUsage2, enqueuer1, enqueuer2, |
| elementEquivalence: equivalence.entityEquivalence, |
| typeEquivalence: (ResolutionDartType a, DartType b) { |
| return equivalence.typeEquivalence(unalias(a), b); |
| }, elementFilter: elementFilter, verbose: arguments.verbose); |
| |
| checkClosedWorlds(closedWorld1, closedWorld2, |
| strategy: equivalence.defaultStrategy, verbose: arguments.verbose); |
| |
| return ResultKind.success; |
| } |