| // 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.diagnostic; |
| |
| import com.android.tools.r8.Keep; |
| import java.util.Collection; |
| |
| /** |
| * Information about the contexts that references an item that was not part of the compilation unit. |
| */ |
| @Keep |
| public interface MissingDefinitionInfo { |
| |
| /** |
| * Predicate that is true iff the MissingDefinitionInfo is an instance of {@link |
| * MissingClassInfo}. |
| */ |
| default boolean isMissingClass() { |
| return false; |
| } |
| |
| /** |
| * Predicate that is true iff the MissingDefinitionInfo is an instance of {@link |
| * MissingFieldInfo}. |
| */ |
| default boolean isMissingField() { |
| return false; |
| } |
| |
| /** |
| * Predicate that is true iff the MissingDefinitionInfo is an instance of {@link |
| * MissingMethodInfo}. |
| */ |
| default boolean isMissingMethod() { |
| return false; |
| } |
| |
| /** |
| * Return a non-null {@link MissingClassInfo} if this type is {@link MissingClassInfo}. |
| * |
| * @return this with static type of {@link MissingClassInfo}. |
| */ |
| default MissingClassInfo asMissingClass() { |
| return null; |
| } |
| |
| /** |
| * Return a non-null {@link MissingFieldInfo} if this type is {@link MissingFieldInfo}. |
| * |
| * @return this with static type of {@link MissingFieldInfo}. |
| */ |
| default MissingFieldInfo asMissingField() { |
| return null; |
| } |
| |
| /** |
| * Return a non-null {@link MissingMethodInfo} if this type is {@link MissingMethodInfo}. |
| * |
| * @return this with static type of {@link MissingMethodInfo}. |
| */ |
| default MissingMethodInfo asMissingMethod() { |
| return null; |
| } |
| |
| /** User friendly description of the missing definition. */ |
| String getDiagnosticMessage(); |
| |
| /** The contexts from which this missing definition was referenced. */ |
| Collection<DefinitionContext> getReferencedFromContexts(); |
| } |