| // 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.shaking; |
| |
| import com.android.tools.r8.graph.DexDefinition; |
| import com.android.tools.r8.graph.DexDefinitionSupplier; |
| import com.android.tools.r8.graph.DexProgramClass; |
| import com.android.tools.r8.graph.DexType; |
| import com.android.tools.r8.graph.GraphLens; |
| |
| public abstract class EnqueuerEvent { |
| |
| public static UnconditionalKeepInfoEvent unconditional() { |
| return UnconditionalKeepInfoEvent.get(); |
| } |
| |
| public DexDefinition getDefinition(DexDefinitionSupplier definitions) { |
| return null; |
| } |
| |
| public boolean isNoSuchEvent() { |
| return false; |
| } |
| |
| public boolean isClassEvent() { |
| return false; |
| } |
| |
| public ClassEnqueuerEvent asClassEvent() { |
| return null; |
| } |
| |
| public boolean isLiveClassEvent() { |
| return false; |
| } |
| |
| public LiveClassEnqueuerEvent asLiveClassEvent() { |
| return null; |
| } |
| |
| public boolean isInstantiatedClassEvent() { |
| return false; |
| } |
| |
| public InstantiatedClassEnqueuerEvent asInstantiatedClassEvent() { |
| return null; |
| } |
| |
| public boolean isUnconditionalKeepInfoEvent() { |
| return false; |
| } |
| |
| public abstract EnqueuerEvent rewrittenWithLens(GraphLens lens); |
| |
| public static class NoSuchEnqueuerEvent extends EnqueuerEvent { |
| |
| private static final NoSuchEnqueuerEvent INSTANCE = new NoSuchEnqueuerEvent(); |
| |
| private NoSuchEnqueuerEvent() {} |
| |
| public static NoSuchEnqueuerEvent get() { |
| return INSTANCE; |
| } |
| |
| @Override |
| public boolean isNoSuchEvent() { |
| return true; |
| } |
| |
| @Override |
| public EnqueuerEvent rewrittenWithLens(GraphLens lens) { |
| return this; |
| } |
| } |
| |
| public abstract static class ClassEnqueuerEvent extends EnqueuerEvent { |
| |
| private final DexType clazz; |
| |
| ClassEnqueuerEvent(DexType clazz) { |
| this.clazz = clazz; |
| } |
| |
| @Override |
| public DexDefinition getDefinition(DexDefinitionSupplier definitions) { |
| return definitions.definitionFor(getType()); |
| } |
| |
| public DexType getType() { |
| return clazz; |
| } |
| |
| @Override |
| public boolean isClassEvent() { |
| return true; |
| } |
| |
| @Override |
| public ClassEnqueuerEvent asClassEvent() { |
| return this; |
| } |
| } |
| |
| public static class LiveClassEnqueuerEvent extends ClassEnqueuerEvent { |
| |
| public LiveClassEnqueuerEvent(DexProgramClass clazz) { |
| this(clazz.getType()); |
| } |
| |
| private LiveClassEnqueuerEvent(DexType type) { |
| super(type); |
| } |
| |
| @Override |
| public boolean isLiveClassEvent() { |
| return true; |
| } |
| |
| @Override |
| public LiveClassEnqueuerEvent asLiveClassEvent() { |
| return this; |
| } |
| |
| @Override |
| public EnqueuerEvent rewrittenWithLens(GraphLens lens) { |
| DexType rewrittenType = lens.lookupType(getType()); |
| if (rewrittenType.isIntType()) { |
| return NoSuchEnqueuerEvent.get(); |
| } |
| return new LiveClassEnqueuerEvent(rewrittenType); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (obj == this) { |
| return true; |
| } |
| if (obj instanceof LiveClassEnqueuerEvent) { |
| LiveClassEnqueuerEvent event = (LiveClassEnqueuerEvent) obj; |
| return getType() == event.getType(); |
| } |
| return false; |
| } |
| |
| @Override |
| public int hashCode() { |
| return (getType().hashCode() << 1) | 0; |
| } |
| } |
| |
| public static class InstantiatedClassEnqueuerEvent extends ClassEnqueuerEvent { |
| |
| public InstantiatedClassEnqueuerEvent(DexProgramClass clazz) { |
| this(clazz.getType()); |
| } |
| |
| private InstantiatedClassEnqueuerEvent(DexType type) { |
| super(type); |
| } |
| |
| @Override |
| public boolean isInstantiatedClassEvent() { |
| return true; |
| } |
| |
| @Override |
| public InstantiatedClassEnqueuerEvent asInstantiatedClassEvent() { |
| return this; |
| } |
| |
| @Override |
| public EnqueuerEvent rewrittenWithLens(GraphLens lens) { |
| DexType rewrittenType = lens.lookupType(getType()); |
| if (rewrittenType.isIntType()) { |
| return NoSuchEnqueuerEvent.get(); |
| } |
| return new InstantiatedClassEnqueuerEvent(rewrittenType); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (obj == this) { |
| return true; |
| } |
| if (obj instanceof InstantiatedClassEnqueuerEvent) { |
| InstantiatedClassEnqueuerEvent event = (InstantiatedClassEnqueuerEvent) obj; |
| return getType() == event.getType(); |
| } |
| return false; |
| } |
| |
| @Override |
| public int hashCode() { |
| return (getType().hashCode() << 1) | 1; |
| } |
| } |
| |
| public static class UnconditionalKeepInfoEvent extends EnqueuerEvent { |
| |
| private static final UnconditionalKeepInfoEvent INSTANCE = new UnconditionalKeepInfoEvent(); |
| |
| private UnconditionalKeepInfoEvent() {} |
| |
| public static UnconditionalKeepInfoEvent get() { |
| return INSTANCE; |
| } |
| |
| @Override |
| public boolean isUnconditionalKeepInfoEvent() { |
| return true; |
| } |
| |
| @Override |
| public EnqueuerEvent rewrittenWithLens(GraphLens lens) { |
| return this; |
| } |
| } |
| } |