| // Copyright (c) 2022, 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.keepanno.ast; |
| |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.function.Predicate; |
| |
| public abstract class KeepClassReference { |
| |
| public static KeepClassReference fromBindingReference(String bindingReference) { |
| return new BindingReference(bindingReference); |
| } |
| |
| public static KeepClassReference fromClassNamePattern( |
| KeepQualifiedClassNamePattern classNamePattern) { |
| return new SomeItem(classNamePattern); |
| } |
| |
| public boolean isBindingReference() { |
| return asBindingReference() != null; |
| } |
| |
| public boolean isClassNamePattern() { |
| return asClassNamePattern() != null; |
| } |
| |
| public String asBindingReference() { |
| return null; |
| } |
| |
| public KeepQualifiedClassNamePattern asClassNamePattern() { |
| return null; |
| } |
| |
| public abstract Collection<String> getBindingReferences(); |
| |
| public boolean isAny(Predicate<String> onReference) { |
| return isBindingReference() |
| ? onReference.test(asBindingReference()) |
| : asClassNamePattern().isAny(); |
| } |
| |
| private static class BindingReference extends KeepClassReference { |
| private final String bindingReference; |
| |
| private BindingReference(String bindingReference) { |
| assert bindingReference != null; |
| this.bindingReference = bindingReference; |
| } |
| |
| @Override |
| public String asBindingReference() { |
| return bindingReference; |
| } |
| |
| @Override |
| public Collection<String> getBindingReferences() { |
| return Collections.singletonList(bindingReference); |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (o == null || getClass() != o.getClass()) { |
| return false; |
| } |
| BindingReference that = (BindingReference) o; |
| return bindingReference.equals(that.bindingReference); |
| } |
| |
| @Override |
| public int hashCode() { |
| return bindingReference.hashCode(); |
| } |
| |
| @Override |
| public String toString() { |
| return bindingReference; |
| } |
| } |
| |
| private static class SomeItem extends KeepClassReference { |
| private final KeepQualifiedClassNamePattern classNamePattern; |
| |
| private SomeItem(KeepQualifiedClassNamePattern classNamePattern) { |
| assert classNamePattern != null; |
| this.classNamePattern = classNamePattern; |
| } |
| |
| @Override |
| public KeepQualifiedClassNamePattern asClassNamePattern() { |
| return classNamePattern; |
| } |
| |
| @Override |
| public Collection<String> getBindingReferences() { |
| return Collections.emptyList(); |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (o == null || getClass() != o.getClass()) { |
| return false; |
| } |
| SomeItem someItem = (SomeItem) o; |
| return classNamePattern.equals(someItem.classNamePattern); |
| } |
| |
| @Override |
| public int hashCode() { |
| return classNamePattern.hashCode(); |
| } |
| |
| @Override |
| public String toString() { |
| return classNamePattern.toString(); |
| } |
| } |
| } |