| // 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.ir.analysis.type; |
| |
| import com.android.tools.r8.graph.AppView; |
| import com.android.tools.r8.graph.DexType; |
| import com.android.tools.r8.graph.GraphLens; |
| import com.android.tools.r8.shaking.AppInfoWithLiveness; |
| import java.util.Set; |
| |
| public class ExactDynamicType extends DynamicTypeWithUpperBound { |
| |
| ExactDynamicType(ClassTypeElement exactDynamicType) { |
| super(exactDynamicType); |
| } |
| |
| @Override |
| public ClassTypeElement getDynamicUpperBoundType() { |
| return getExactClassType(); |
| } |
| |
| @Override |
| public ClassTypeElement getDynamicLowerBoundType() { |
| return getExactClassType(); |
| } |
| |
| @Override |
| public ClassTypeElement getExactClassType() { |
| return super.getDynamicUpperBoundType().asClassType(); |
| } |
| |
| @Override |
| public boolean hasDynamicLowerBoundType() { |
| return true; |
| } |
| |
| @Override |
| public boolean isExactClassType() { |
| return true; |
| } |
| |
| @Override |
| public DynamicType rewrittenWithLens( |
| AppView<AppInfoWithLiveness> appView, GraphLens graphLens, Set<DexType> prunedTypes) { |
| TypeElement rewrittenType = |
| getExactClassType().rewrittenWithLens(appView, graphLens, null, prunedTypes); |
| assert rewrittenType.isClassType() || rewrittenType.isPrimitiveType(); |
| return rewrittenType.isClassType() |
| ? new ExactDynamicType(rewrittenType.asClassType()) |
| : unknown(); |
| } |
| |
| @Override |
| public ExactDynamicType withNullability(Nullability nullability) { |
| if (getNullability() == nullability) { |
| return this; |
| } |
| return new ExactDynamicType(getExactClassType().getOrCreateVariant(nullability)); |
| } |
| |
| @Override |
| public boolean equals(Object other) { |
| if (other == null || getClass() != other.getClass()) { |
| return false; |
| } |
| ExactDynamicType dynamicType = (ExactDynamicType) other; |
| return getExactClassType().equals(dynamicType.getExactClassType()); |
| } |
| |
| @Override |
| public int hashCode() { |
| return getExactClassType().hashCode(); |
| } |
| } |