| // Copyright (c) 2019, 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.AppView; |
| import com.android.tools.r8.graph.DexField; |
| import com.android.tools.r8.graph.DexItemFactory; |
| import com.android.tools.r8.graph.DexMethod; |
| import com.android.tools.r8.graph.DexString; |
| import com.android.tools.r8.graph.DexType; |
| import com.android.tools.r8.graph.InnerClassAttribute; |
| import com.android.tools.r8.naming.NamingLens.NonIdentityNamingLens; |
| import com.android.tools.r8.utils.InternalOptions; |
| import java.util.IdentityHashMap; |
| |
| // Naming lens for rewriting java.lang.Record to the internal RecordTag type. |
| public class RecordRewritingNamingLens extends NonIdentityNamingLens { |
| |
| final NamingLens namingLens; |
| private final DexItemFactory factory; |
| |
| public static NamingLens createRecordRewritingNamingLens( |
| AppView<?> appView, NamingLens namingLens) { |
| if (appView.options().shouldDesugarRecords() |
| && appView |
| .appInfo() |
| .definitionForWithoutExistenceAssert(appView.dexItemFactory().recordType) |
| != null) { |
| return new RecordRewritingNamingLens(namingLens, appView); |
| } |
| return namingLens; |
| } |
| |
| public RecordRewritingNamingLens(NamingLens namingLens, AppView<?> appView) { |
| super(appView.dexItemFactory(), new IdentityHashMap<>()); |
| this.namingLens = namingLens; |
| factory = appView.dexItemFactory(); |
| } |
| |
| private boolean isRenamed(DexType type) { |
| return getRenaming(type) != null; |
| } |
| |
| private DexString getRenaming(DexType type) { |
| if (type == factory.recordType) { |
| return factory.recordTagType.descriptor; |
| } |
| return null; |
| } |
| |
| @Override |
| protected DexString internalLookupClassDescriptor(DexType type) { |
| DexString renaming = getRenaming(type); |
| return renaming != null ? renaming : namingLens.lookupDescriptor(type); |
| } |
| |
| @Override |
| public DexString lookupInnerName(InnerClassAttribute attribute, InternalOptions options) { |
| assert !isRenamed(attribute.getInner()); |
| return namingLens.lookupInnerName(attribute, options); |
| } |
| |
| @Override |
| public DexString lookupName(DexMethod method) { |
| // Record rewriting does not influence method name. |
| return namingLens.lookupName(method); |
| } |
| |
| @Override |
| public DexString lookupName(DexField field) { |
| // Record rewriting does not influence field name. |
| return namingLens.lookupName(field); |
| } |
| |
| @Override |
| public DexString lookupDescriptorForJavaTypeName(String typeName) { |
| if (typeName.equals(factory.recordType.toSourceString())) { |
| return factory.recordTagType.descriptor; |
| } |
| return namingLens.lookupDescriptorForJavaTypeName(typeName); |
| } |
| |
| @Override |
| public boolean hasPrefixRewritingLogic() { |
| return namingLens.hasPrefixRewritingLogic(); |
| } |
| |
| @Override |
| public DexString prefixRewrittenType(DexType type) { |
| return namingLens.prefixRewrittenType(type); |
| } |
| |
| @Override |
| public String lookupPackageName(String packageName) { |
| return namingLens.lookupPackageName(packageName); |
| } |
| |
| @Override |
| public boolean verifyRenamingConsistentWithResolution(DexMethod item) { |
| return namingLens.verifyRenamingConsistentWithResolution(item); |
| } |
| } |