| // Copyright (c) 2022, 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.naming; |
| |
| import com.android.tools.r8.graph.AppView; |
| import com.android.tools.r8.graph.DexClass; |
| import com.android.tools.r8.graph.SubtypingInfo; |
| import com.android.tools.r8.shaking.AppInfoWithLiveness; |
| import com.android.tools.r8.utils.SetUtils; |
| import java.util.Set; |
| |
| public class MinifierUtils { |
| |
| public static SubtypingInfo createSubtypingInfo(AppView<AppInfoWithLiveness> appView) { |
| Set<DexClass> classesToBuildSubtypeInformationFor = |
| SetUtils.newIdentityHashSet(appView.app().classes()); |
| appView |
| .appInfo() |
| .getObjectAllocationInfoCollection() |
| .forEachInstantiatedLambdaInterfaces( |
| type -> { |
| DexClass lambdaInterface = appView.contextIndependentDefinitionFor(type); |
| if (lambdaInterface != null) { |
| classesToBuildSubtypeInformationFor.add(lambdaInterface); |
| } |
| }); |
| appView.appInfo().forEachReferencedClasspathClass(classesToBuildSubtypeInformationFor::add); |
| return SubtypingInfo.create(classesToBuildSubtypeInformationFor, appView); |
| } |
| } |