| // Copyright (c) 2021, the R8 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. |
| package com.android.tools.r8.ir.desugar.desugaredlibrary.retargeter; |
| |
| import com.android.tools.r8.contexts.CompilationContext.ClassSynthesisDesugaringContext; |
| import com.android.tools.r8.graph.AppView; |
| import com.android.tools.r8.graph.DexMethod; |
| import com.android.tools.r8.ir.desugar.CfClassSynthesizerDesugaring; |
| import com.android.tools.r8.ir.desugar.CfClassSynthesizerDesugaringEventConsumer; |
| import com.android.tools.r8.ir.desugar.desugaredlibrary.machinespecification.EmulatedDispatchMethodDescriptor; |
| import java.util.Map; |
| |
| public class DesugaredLibraryRetargeterL8Synthesizer implements CfClassSynthesizerDesugaring { |
| |
| private final AppView<?> appView; |
| private final DesugaredLibraryRetargeterSyntheticHelper syntheticHelper; |
| |
| public static DesugaredLibraryRetargeterL8Synthesizer create(AppView<?> appView) { |
| assert appView.options().isDesugaredLibraryCompilation(); |
| if (appView |
| .options() |
| .machineDesugaredLibrarySpecification |
| .getEmulatedVirtualRetarget() |
| .isEmpty()) { |
| return null; |
| } |
| return new DesugaredLibraryRetargeterL8Synthesizer(appView); |
| } |
| |
| public DesugaredLibraryRetargeterL8Synthesizer(AppView<?> appView) { |
| this.appView = appView; |
| this.syntheticHelper = new DesugaredLibraryRetargeterSyntheticHelper(appView); |
| } |
| |
| @Override |
| public String uniqueIdentifier() { |
| return "$retargeter$"; |
| } |
| |
| @Override |
| public void synthesizeClasses( |
| ClassSynthesisDesugaringContext processingContext, |
| CfClassSynthesizerDesugaringEventConsumer eventConsumer) { |
| Map<DexMethod, EmulatedDispatchMethodDescriptor> emulatedVirtualRetarget = |
| appView.options().machineDesugaredLibrarySpecification.getEmulatedVirtualRetarget(); |
| for (EmulatedDispatchMethodDescriptor emulatedDispatchMethod : |
| emulatedVirtualRetarget.values()) { |
| syntheticHelper.ensureProgramEmulatedHolderDispatchMethod( |
| emulatedDispatchMethod, eventConsumer); |
| } |
| } |
| } |