| // 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.kotlin; |
| |
| import com.google.common.collect.ImmutableList; |
| import java.util.List; |
| import java.util.function.Consumer; |
| import kotlinx.metadata.KmVersionRequirement; |
| |
| class KotlinVersionRequirementInfo { |
| |
| private static final KotlinVersionRequirementInfo NO_VERSION_REQUIREMENTS = |
| new KotlinVersionRequirementInfo(ImmutableList.of()); |
| |
| private final List<KmVersionRequirement> versionRequirements; |
| |
| private KotlinVersionRequirementInfo(List<KmVersionRequirement> versionRequirements) { |
| this.versionRequirements = versionRequirements; |
| } |
| |
| static KotlinVersionRequirementInfo create(List<KmVersionRequirement> kmVersionRequirements) { |
| if (kmVersionRequirements.isEmpty()) { |
| return NO_VERSION_REQUIREMENTS; |
| } |
| return new KotlinVersionRequirementInfo(ImmutableList.copyOf(kmVersionRequirements)); |
| } |
| |
| boolean rewrite(Consumer<List<KmVersionRequirement>> consumer) { |
| if (this == NO_VERSION_REQUIREMENTS) { |
| return false; |
| } |
| consumer.accept(versionRequirements); |
| return false; |
| } |
| } |