| // 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.DexProgramClass; |
| import com.android.tools.r8.horizontalclassmerging.SingleClassPolicy; |
| import com.google.common.collect.Streams; |
| |
| public class NoKotlinMetadata extends SingleClassPolicy { |
| |
| public NoKotlinMetadata() {} |
| |
| @Override |
| public boolean canMerge(DexProgramClass clazz) { |
| assert verifyNoUnexpectedKotlinInfo(clazz); |
| return true; |
| } |
| |
| private boolean verifyNoUnexpectedKotlinInfo(DexProgramClass clazz) { |
| assert clazz.getKotlinInfo().isNoKotlinInformation(); |
| assert verifyNoUnexpectedKotlinMemberInfo(clazz); |
| return true; |
| } |
| |
| private boolean verifyNoUnexpectedKotlinMemberInfo(DexProgramClass clazz) { |
| assert Streams.stream(clazz.members()) |
| .allMatch(member -> member.getKotlinInfo().isNoKotlinInformation()); |
| return true; |
| } |
| |
| @Override |
| public String getName() { |
| return "NoKotlinMetadata"; |
| } |
| } |