| // 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.utils; |
| |
| import com.android.tools.r8.graph.DexClass; |
| import com.android.tools.r8.graph.DexDefinitionSupplier; |
| import com.android.tools.r8.graph.DexItemFactory; |
| import com.android.tools.r8.graph.DexType; |
| |
| public class AccessUtils { |
| |
| public static boolean isAccessibleInSameContextsAs( |
| DexType newType, DexType oldType, DexDefinitionSupplier definitions) { |
| DexItemFactory dexItemFactory = definitions.dexItemFactory(); |
| DexType newBaseType = newType.toBaseType(dexItemFactory); |
| if (!newBaseType.isClassType()) { |
| return true; |
| } |
| DexClass newBaseClass = definitions.definitionFor(newBaseType); |
| if (newBaseClass == null) { |
| return false; |
| } |
| if (newBaseClass.isPublic()) { |
| return true; |
| } |
| DexType oldBaseType = oldType.toBaseType(dexItemFactory); |
| assert oldBaseType.isClassType(); |
| DexClass oldBaseClass = definitions.definitionFor(oldBaseType); |
| if (oldBaseClass == null || oldBaseClass.isPublic()) { |
| return false; |
| } |
| return newBaseType.isSamePackage(oldBaseType); |
| } |
| } |