| // 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.retrace; |
| |
| import com.android.tools.r8.Keep; |
| import com.android.tools.r8.references.FieldReference; |
| import com.android.tools.r8.references.TypeReference; |
| import java.util.Objects; |
| |
| @Keep |
| public abstract class RetracedField { |
| |
| private RetracedField() {} |
| |
| public boolean isUnknown() { |
| return true; |
| } |
| |
| public final boolean isKnown() { |
| return !isUnknown(); |
| } |
| |
| public KnownRetracedField asKnown() { |
| return null; |
| } |
| |
| public abstract RetracedClass getHolderClass(); |
| |
| public abstract String getFieldName(); |
| |
| public static final class KnownRetracedField extends RetracedField { |
| |
| private final RetracedClass classReference; |
| private final FieldReference fieldReference; |
| |
| private KnownRetracedField(RetracedClass classReference, FieldReference fieldReference) { |
| this.classReference = classReference; |
| this.fieldReference = fieldReference; |
| } |
| |
| @Override |
| public boolean isUnknown() { |
| return false; |
| } |
| |
| @Override |
| public KnownRetracedField asKnown() { |
| return this; |
| } |
| |
| @Override |
| public RetracedClass getHolderClass() { |
| return classReference; |
| } |
| |
| @Override |
| public String getFieldName() { |
| return fieldReference.getFieldName(); |
| } |
| |
| public TypeReference getFieldType() { |
| return fieldReference.getFieldType(); |
| } |
| |
| public FieldReference getFieldReference() { |
| return fieldReference; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (o == null || getClass() != o.getClass()) { |
| return false; |
| } |
| KnownRetracedField that = (KnownRetracedField) o; |
| assert !fieldReference.equals(that.fieldReference) |
| || classReference.equals(that.classReference); |
| return fieldReference.equals(that.fieldReference); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(classReference, fieldReference); |
| } |
| } |
| |
| public static final class UnknownRetracedField extends RetracedField { |
| |
| private final RetracedClass classReference; |
| private final String name; |
| |
| private UnknownRetracedField(RetracedClass classReference, String name) { |
| this.classReference = classReference; |
| this.name = name; |
| } |
| |
| @Override |
| public RetracedClass getHolderClass() { |
| return classReference; |
| } |
| |
| @Override |
| public String getFieldName() { |
| return name; |
| } |
| } |
| |
| static RetracedField create(RetracedClass classReference, FieldReference fieldReference) { |
| return new KnownRetracedField(classReference, fieldReference); |
| } |
| |
| static RetracedField createUnknown(RetracedClass classReference, String name) { |
| return new UnknownRetracedField(classReference, name); |
| } |
| } |