| // 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.horizontalclassmerging.policies; |
| |
| import com.android.tools.r8.horizontalclassmerging.MergeGroup; |
| import com.android.tools.r8.horizontalclassmerging.MultiClassPolicy; |
| import com.android.tools.r8.utils.InternalOptions; |
| import java.util.Collection; |
| import java.util.Collections; |
| |
| public class VerifyMultiClassPolicyAlwaysSatisfied extends MultiClassPolicy { |
| |
| private final MultiClassPolicy policy; |
| |
| public VerifyMultiClassPolicyAlwaysSatisfied(MultiClassPolicy policy) { |
| this.policy = policy; |
| } |
| |
| @Override |
| public String getName() { |
| return "VerifyMultiClassPolicyAlwaysSatisfied(" + policy.getName() + ")"; |
| } |
| |
| @Override |
| public boolean shouldSkipPolicy() { |
| return !InternalOptions.assertionsEnabled() || policy.shouldSkipPolicy(); |
| } |
| |
| @Override |
| public Collection<MergeGroup> apply(MergeGroup group) { |
| assert verifySameAppliedGroup(group); |
| return Collections.singletonList(group); |
| } |
| |
| private boolean verifySameAppliedGroup(MergeGroup group) { |
| Collection<MergeGroup> applied = policy.apply(group); |
| assert applied.size() == 1; |
| MergeGroup appliedGroup = applied.iterator().next(); |
| assert appliedGroup.size() == group.size() && group.containsAll(appliedGroup); |
| return true; |
| } |
| } |