| // 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. |
| |
| library dart2js.kernel.frontend_strategy; |
| |
| import '../common.dart'; |
| import '../common/backend_api.dart'; |
| import '../common/resolution.dart'; |
| import '../common/tasks.dart'; |
| import '../common/work.dart'; |
| import '../common_elements.dart'; |
| import '../compiler.dart'; |
| import '../deferred_load.dart' show DeferredLoadTask; |
| import '../elements/entities.dart'; |
| import '../elements/types.dart'; |
| import '../enqueue.dart'; |
| import '../environment.dart' as env; |
| import '../frontend_strategy.dart'; |
| import '../js_backend/allocator_analysis.dart' show KAllocatorAnalysis; |
| import '../js_backend/backend_usage.dart'; |
| import '../js_backend/interceptor_data.dart'; |
| import '../js_backend/native_data.dart'; |
| import '../js_backend/no_such_method_registry.dart'; |
| import '../js_backend/runtime_types.dart'; |
| import '../js_model/closure.dart' show ScopeModel; |
| import '../library_loader.dart'; |
| import '../native/enqueue.dart' show NativeResolutionEnqueuer; |
| import '../native/resolver.dart'; |
| import '../options.dart'; |
| import '../universe/class_hierarchy.dart'; |
| import '../universe/world_builder.dart'; |
| import '../universe/world_impact.dart'; |
| import 'deferred_load.dart'; |
| import 'element_map.dart'; |
| import 'element_map_impl.dart'; |
| |
| /// Front end strategy that loads '.dill' files and builds a resolved element |
| /// model from kernel IR nodes. |
| class KernelFrontEndStrategy extends FrontendStrategyBase { |
| CompilerOptions _options; |
| CompilerTask _compilerTask; |
| KernelToElementMapImpl _elementMap; |
| RuntimeTypesNeedBuilder _runtimeTypesNeedBuilder; |
| |
| KernelAnnotationProcessor _annotationProcesser; |
| |
| final Map<MemberEntity, ScopeModel> closureModels = |
| <MemberEntity, ScopeModel>{}; |
| |
| KernelFrontEndStrategy(this._compilerTask, this._options, |
| DiagnosticReporter reporter, env.Environment environment) { |
| assert(_compilerTask != null); |
| _elementMap = |
| new KernelToElementMapImpl(reporter, environment, this, _options); |
| } |
| |
| @override |
| void registerLoadedLibraries(LoadedLibraries loadedLibraries) { |
| _elementMap.addComponent(loadedLibraries.component); |
| } |
| |
| @override |
| ElementEnvironment get elementEnvironment => _elementMap.elementEnvironment; |
| |
| @override |
| CommonElements get commonElements => _elementMap.commonElements; |
| |
| DartTypes get dartTypes => _elementMap.types; |
| |
| KernelToElementMap get elementMap => _elementMap; |
| |
| @override |
| AnnotationProcessor get annotationProcesser => _annotationProcesser ??= |
| new KernelAnnotationProcessor(elementMap, nativeBasicDataBuilder); |
| |
| @override |
| DeferredLoadTask createDeferredLoadTask(Compiler compiler) => |
| new KernelDeferredLoadTask(compiler, _elementMap); |
| |
| @override |
| NativeClassFinder createNativeClassFinder(NativeBasicData nativeBasicData) { |
| return new BaseNativeClassFinder( |
| _elementMap.elementEnvironment, nativeBasicData); |
| } |
| |
| NoSuchMethodResolver createNoSuchMethodResolver() { |
| return new KernelNoSuchMethodResolver(elementMap); |
| } |
| |
| /// Computes the main function from [mainLibrary] adding additional world |
| /// impact to [impactBuilder]. |
| FunctionEntity computeMain(WorldImpactBuilder impactBuilder) { |
| return elementEnvironment.mainFunction; |
| } |
| |
| RuntimeTypesNeedBuilder createRuntimeTypesNeedBuilder() { |
| return _runtimeTypesNeedBuilder ??= _options.disableRtiOptimization |
| ? const TrivialRuntimeTypesNeedBuilder() |
| : new RuntimeTypesNeedBuilderImpl( |
| elementEnvironment, _elementMap.types); |
| } |
| |
| RuntimeTypesNeedBuilder get runtimeTypesNeedBuilderForTesting => |
| _runtimeTypesNeedBuilder; |
| |
| ResolutionWorldBuilder createResolutionWorldBuilder( |
| NativeBasicData nativeBasicData, |
| NativeDataBuilder nativeDataBuilder, |
| InterceptorDataBuilder interceptorDataBuilder, |
| BackendUsageBuilder backendUsageBuilder, |
| RuntimeTypesNeedBuilder rtiNeedBuilder, |
| KAllocatorAnalysis allocatorAnalysis, |
| NativeResolutionEnqueuer nativeResolutionEnqueuer, |
| NoSuchMethodRegistry noSuchMethodRegistry, |
| SelectorConstraintsStrategy selectorConstraintsStrategy, |
| ClassHierarchyBuilder classHierarchyBuilder, |
| ClassQueries classQueries) { |
| return new ResolutionWorldBuilderImpl( |
| _options, |
| elementMap, |
| elementMap.elementEnvironment, |
| elementMap.types, |
| elementMap.commonElements, |
| nativeBasicData, |
| nativeDataBuilder, |
| interceptorDataBuilder, |
| backendUsageBuilder, |
| rtiNeedBuilder, |
| allocatorAnalysis, |
| nativeResolutionEnqueuer, |
| noSuchMethodRegistry, |
| selectorConstraintsStrategy, |
| classHierarchyBuilder, |
| classQueries); |
| } |
| |
| @override |
| WorkItemBuilder createResolutionWorkItemBuilder( |
| NativeBasicData nativeBasicData, |
| NativeDataBuilder nativeDataBuilder, |
| ImpactTransformer impactTransformer, |
| Map<Entity, WorldImpact> impactCache) { |
| return new KernelWorkItemBuilder(_compilerTask, elementMap, nativeBasicData, |
| nativeDataBuilder, impactTransformer, closureModels, impactCache); |
| } |
| |
| ClassQueries createClassQueries() { |
| return new KernelClassQueries(elementMap); |
| } |
| |
| @override |
| SourceSpan spanFromSpannable(Spannable spannable, Entity currentElement) { |
| return _elementMap.getSourceSpan(spannable, currentElement); |
| } |
| } |
| |
| class KernelWorkItemBuilder implements WorkItemBuilder { |
| final CompilerTask _compilerTask; |
| final KernelToElementMapImpl _elementMap; |
| final ImpactTransformer _impactTransformer; |
| final NativeMemberResolver _nativeMemberResolver; |
| final Map<MemberEntity, ScopeModel> closureModels; |
| final Map<Entity, WorldImpact> impactCache; |
| |
| KernelWorkItemBuilder( |
| this._compilerTask, |
| this._elementMap, |
| NativeBasicData nativeBasicData, |
| NativeDataBuilder nativeDataBuilder, |
| this._impactTransformer, |
| this.closureModels, |
| this.impactCache) |
| : _nativeMemberResolver = new KernelNativeMemberResolver( |
| _elementMap, nativeBasicData, nativeDataBuilder); |
| |
| @override |
| WorkItem createWorkItem(MemberEntity entity) { |
| return new KernelWorkItem(_compilerTask, _elementMap, _impactTransformer, |
| _nativeMemberResolver, entity, closureModels, impactCache); |
| } |
| } |
| |
| class KernelWorkItem implements WorkItem { |
| final CompilerTask _compilerTask; |
| final KernelToElementMapImpl _elementMap; |
| final ImpactTransformer _impactTransformer; |
| final NativeMemberResolver _nativeMemberResolver; |
| final MemberEntity element; |
| final Map<MemberEntity, ScopeModel> closureModels; |
| final Map<Entity, WorldImpact> impactCache; |
| |
| KernelWorkItem( |
| this._compilerTask, |
| this._elementMap, |
| this._impactTransformer, |
| this._nativeMemberResolver, |
| this.element, |
| this.closureModels, |
| this.impactCache); |
| |
| @override |
| WorldImpact run() { |
| return _compilerTask.measure(() { |
| _nativeMemberResolver.resolveNativeMember(element); |
| _compilerTask.measureSubtask('closures', () { |
| ScopeModel closureModel = _elementMap.computeScopeModel(element); |
| if (closureModel != null) { |
| closureModels[element] = closureModel; |
| } |
| }); |
| return _compilerTask.measureSubtask('worldImpact', () { |
| ResolutionImpact impact = _elementMap.computeWorldImpact(element); |
| WorldImpact worldImpact = |
| _impactTransformer.transformResolutionImpact(impact); |
| if (impactCache != null) { |
| impactCache[element] = worldImpact; |
| } |
| return worldImpact; |
| }); |
| }); |
| } |
| } |