| // Copyright (c) 2021, 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.ir.optimize.classinliner.analysis; |
| |
| import java.util.function.BiFunction; |
| |
| class UnknownParameterUsagePerContext extends ParameterUsagePerContext { |
| |
| private static final UnknownParameterUsagePerContext INSTANCE = |
| new UnknownParameterUsagePerContext(); |
| |
| private UnknownParameterUsagePerContext() {} |
| |
| static UnknownParameterUsagePerContext getInstance() { |
| return INSTANCE; |
| } |
| |
| @Override |
| ParameterUsagePerContext externalize() { |
| return this; |
| } |
| |
| @Override |
| public ParameterUsage get(AnalysisContext context) { |
| return ParameterUsage.top(); |
| } |
| |
| @Override |
| public boolean isTop() { |
| return true; |
| } |
| |
| @Override |
| ParameterUsagePerContext rebuild( |
| BiFunction<AnalysisContext, ParameterUsage, ParameterUsage> transformation) { |
| return this; |
| } |
| } |