| // 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.MethodReference; |
| import com.android.tools.r8.references.TypeReference; |
| import java.util.List; |
| import java.util.Objects; |
| |
| @Keep |
| public abstract class RetracedMethod { |
| |
| private RetracedMethod() {} |
| |
| public boolean isUnknown() { |
| return true; |
| } |
| |
| public final boolean isKnown() { |
| return !isUnknown(); |
| } |
| |
| public KnownRetracedMethod asKnown() { |
| return null; |
| } |
| |
| public abstract RetracedClass getHolderClass(); |
| |
| public abstract String getMethodName(); |
| |
| public static final class KnownRetracedMethod extends RetracedMethod { |
| |
| private final MethodReference methodReference; |
| private final RetracedClass classReference; |
| |
| private KnownRetracedMethod(RetracedClass classReference, MethodReference methodReference) { |
| assert methodReference != null; |
| this.classReference = classReference; |
| this.methodReference = methodReference; |
| } |
| |
| @Override |
| public boolean isUnknown() { |
| return false; |
| } |
| |
| public boolean isVoid() { |
| return methodReference.getReturnType() == null; |
| } |
| |
| @Override |
| public KnownRetracedMethod asKnown() { |
| return this; |
| } |
| |
| @Override |
| public RetracedClass getHolderClass() { |
| return classReference; |
| } |
| |
| @Override |
| public String getMethodName() { |
| return methodReference.getMethodName(); |
| } |
| |
| public TypeReference getReturnType() { |
| assert !isVoid(); |
| return methodReference.getReturnType(); |
| } |
| |
| public List<TypeReference> getFormalTypes() { |
| return methodReference.getFormalTypes(); |
| } |
| |
| public MethodReference getClassReference() { |
| return methodReference; |
| } |
| |
| public boolean equalsMethodReference(MethodReference reference) { |
| return methodReference.equals(reference); |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (o == null || getClass() != o.getClass()) { |
| return false; |
| } |
| KnownRetracedMethod that = (KnownRetracedMethod) o; |
| assert !methodReference.equals(that.methodReference) |
| || classReference.equals(that.classReference); |
| return methodReference.equals(that.methodReference); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(methodReference, classReference); |
| } |
| } |
| |
| public static final class UnknownRetracedMethod extends RetracedMethod { |
| |
| private final RetracedClass classReference; |
| private final String name; |
| |
| private UnknownRetracedMethod(RetracedClass classReference, String name) { |
| this.classReference = classReference; |
| this.name = name; |
| } |
| |
| @Override |
| public RetracedClass getHolderClass() { |
| return classReference; |
| } |
| |
| @Override |
| public String getMethodName() { |
| return name; |
| } |
| } |
| |
| static RetracedMethod create(RetracedClass classReference, MethodReference methodReference) { |
| return new KnownRetracedMethod(classReference, methodReference); |
| } |
| |
| static RetracedMethod createUnknown(RetracedClass classReference, String name) { |
| return new UnknownRetracedMethod(classReference, name); |
| } |
| } |