| // Copyright (c) 2017, 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.naming; |
| |
| import com.android.tools.r8.graph.CachedHashValueDexItem; |
| import com.android.tools.r8.graph.DexString; |
| import com.android.tools.r8.graph.DexType; |
| import com.android.tools.r8.shaking.Enqueuer.AppInfoWithLiveness; |
| import com.android.tools.r8.shaking.RootSetBuilder.RootSet; |
| import com.android.tools.r8.utils.InternalOptions; |
| import com.google.common.collect.ImmutableList; |
| import java.util.IdentityHashMap; |
| import java.util.Map; |
| import java.util.function.Function; |
| |
| abstract class MemberNameMinifier<MemberType, StateType extends CachedHashValueDexItem> { |
| |
| protected final AppInfoWithLiveness appInfo; |
| protected final RootSet rootSet; |
| protected final ImmutableList<String> dictionary; |
| |
| protected final Map<MemberType, DexString> renaming = new IdentityHashMap<>(); |
| protected final Map<DexType, NamingState<StateType, ?>> states = new IdentityHashMap<>(); |
| protected final NamingState<StateType, ?> globalState; |
| protected final boolean useUniqueMemberNames; |
| protected final boolean overloadAggressively; |
| |
| MemberNameMinifier(AppInfoWithLiveness appInfo, RootSet rootSet, InternalOptions options) { |
| this.appInfo = appInfo; |
| this.rootSet = rootSet; |
| this.dictionary = options.proguardConfiguration.getObfuscationDictionary(); |
| this.useUniqueMemberNames = options.proguardConfiguration.isUseUniqueClassMemberNames(); |
| this.overloadAggressively = |
| options.proguardConfiguration.isOverloadAggressivelyWithoutUseUniqueClassMemberNames(); |
| this.globalState = NamingState.createRoot( |
| appInfo.dexItemFactory, dictionary, getKeyTransform(), useUniqueMemberNames); |
| } |
| |
| abstract Function<StateType, ?> getKeyTransform(); |
| |
| protected NamingState<StateType, ?> computeStateIfAbsent( |
| DexType type, Function<DexType, NamingState<StateType, ?>> f) { |
| return useUniqueMemberNames ? globalState : states.computeIfAbsent(type, f); |
| } |
| |
| protected NamingState<StateType, ?> getState(DexType type) { |
| return useUniqueMemberNames ? globalState : states.get(type); |
| } |
| } |