| // Copyright (c) 2020, 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.horizontalclassmerging.policies; |
| |
| import com.android.tools.r8.graph.AppInfoWithClassHierarchy; |
| import com.android.tools.r8.graph.AppView; |
| import com.android.tools.r8.graph.DexProgramClass; |
| import com.android.tools.r8.horizontalclassmerging.MultiClassSameReferencePolicy; |
| import com.android.tools.r8.horizontalclassmerging.policies.CheckAbstractClasses.AbstractClassification; |
| import com.android.tools.r8.utils.InternalOptions; |
| |
| public class CheckAbstractClasses extends MultiClassSameReferencePolicy<AbstractClassification> { |
| |
| enum AbstractClassification { |
| ABSTRACT, |
| NOT_ABSTRACT |
| } |
| |
| private final InternalOptions options; |
| |
| public CheckAbstractClasses(AppView<? extends AppInfoWithClassHierarchy> appView) { |
| this.options = appView.options(); |
| } |
| |
| @Override |
| public String getName() { |
| return "CheckAbstractClasses"; |
| } |
| |
| @Override |
| public boolean shouldSkipPolicy() { |
| // We can just make the target class non-abstract if one of the classes in the group |
| // is non-abstract. |
| return options.canUseAbstractMethodOnNonAbstractClass(); |
| } |
| |
| @Override |
| public AbstractClassification getMergeKey(DexProgramClass clazz) { |
| return clazz.isAbstract() |
| ? AbstractClassification.ABSTRACT |
| : AbstractClassification.NOT_ABSTRACT; |
| } |
| } |