| // 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.ir.analysis.value; |
| |
| import com.android.tools.r8.graph.AppView; |
| import com.android.tools.r8.graph.DexEncodedField; |
| import com.android.tools.r8.graph.DexField; |
| import com.android.tools.r8.graph.GraphLens; |
| import com.android.tools.r8.shaking.AppInfoWithLiveness; |
| import java.util.Arrays; |
| import java.util.Objects; |
| import java.util.function.BiConsumer; |
| |
| public class EnumValuesObjectState extends ObjectState { |
| |
| private final ObjectState[] state; |
| |
| public EnumValuesObjectState(ObjectState[] state) { |
| assert state.length > 0; |
| assert Arrays.stream(state).noneMatch(Objects::isNull); |
| this.state = state; |
| } |
| |
| @Override |
| public void forEachAbstractFieldValue(BiConsumer<DexField, AbstractValue> consumer) {} |
| |
| @Override |
| public AbstractValue getAbstractFieldValue(DexEncodedField field) { |
| return UnknownValue.getInstance(); |
| } |
| |
| public ObjectState getObjectStateForOrdinal(int ordinal) { |
| if (ordinal < 0 || ordinal >= state.length) { |
| return ObjectState.empty(); |
| } |
| return state[ordinal]; |
| } |
| |
| public int getEnumValuesSize() { |
| return state.length; |
| } |
| |
| @Override |
| public boolean isEnumValuesObjectState() { |
| return true; |
| } |
| |
| @Override |
| public EnumValuesObjectState asEnumValuesObjectState() { |
| return this; |
| } |
| |
| @Override |
| public boolean isEmpty() { |
| // Non-empty by construction. |
| return false; |
| } |
| |
| @Override |
| public ObjectState rewrittenWithLens(AppView<AppInfoWithLiveness> appView, GraphLens lens) { |
| ObjectState[] newState = new ObjectState[state.length]; |
| for (int i = 0; i < state.length; i++) { |
| newState[i] = state[i].rewrittenWithLens(appView, lens); |
| } |
| return new EnumValuesObjectState(newState); |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (getClass() != o.getClass()) { |
| return false; |
| } |
| EnumValuesObjectState other = (EnumValuesObjectState) o; |
| if (state.length != other.state.length) { |
| return false; |
| } |
| for (int i = 0; i < state.length; i++) { |
| if (!state[i].equals(other.state[i])) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Arrays.hashCode(state); |
| } |
| } |