| // Copyright (c) 2018, 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.kotlin; |
| |
| import static com.android.tools.r8.kotlin.KotlinMetadataSynthesizer.toRenamedBinaryName; |
| |
| import com.android.tools.r8.graph.AppView; |
| import com.android.tools.r8.graph.DexClass; |
| import com.android.tools.r8.graph.DexType; |
| import com.android.tools.r8.naming.NamingLens; |
| import com.android.tools.r8.shaking.AppInfoWithLiveness; |
| import com.android.tools.r8.utils.DescriptorUtils; |
| import com.android.tools.r8.utils.StringUtils; |
| import kotlinx.metadata.KmPackage; |
| import kotlinx.metadata.jvm.KotlinClassHeader; |
| import kotlinx.metadata.jvm.KotlinClassMetadata; |
| |
| public final class KotlinClassPart extends KotlinInfo<KotlinClassMetadata.MultiFileClassPart> { |
| |
| KmPackage kmPackage; |
| // TODO(b/151194869): is it better to maintain DexType? |
| String facadeClassName; |
| |
| static KotlinClassPart fromKotlinClassMetadata( |
| KotlinClassMetadata kotlinClassMetadata, DexClass clazz) { |
| assert kotlinClassMetadata instanceof KotlinClassMetadata.MultiFileClassPart; |
| KotlinClassMetadata.MultiFileClassPart multiFileClassPart = |
| (KotlinClassMetadata.MultiFileClassPart) kotlinClassMetadata; |
| return new KotlinClassPart(multiFileClassPart, clazz); |
| } |
| |
| private KotlinClassPart(KotlinClassMetadata.MultiFileClassPart metadata, DexClass clazz) { |
| super(metadata, clazz); |
| } |
| |
| @Override |
| void processMetadata(KotlinClassMetadata.MultiFileClassPart metadata) { |
| kmPackage = metadata.toKmPackage(); |
| facadeClassName = metadata.getFacadeClassName(); |
| } |
| |
| @Override |
| void rewrite(AppView<AppInfoWithLiveness> appView, NamingLens lens) { |
| DexType facadeClassType = appView.dexItemFactory().createType( |
| DescriptorUtils.getDescriptorFromClassBinaryName(facadeClassName)); |
| facadeClassName = toRenamedBinaryName(facadeClassType, appView, lens); |
| if (!appView.options().enableKotlinMetadataRewritingForMembers) { |
| return; |
| } |
| rewriteDeclarationContainer(appView, lens); |
| } |
| |
| @Override |
| KotlinClassHeader createHeader() { |
| if (facadeClassName != null) { |
| KotlinClassMetadata.MultiFileClassPart.Writer writer = |
| new KotlinClassMetadata.MultiFileClassPart.Writer(); |
| kmPackage.accept(writer); |
| return writer.write(facadeClassName).getHeader(); |
| } else { |
| // It's no longer part of multi-file class. |
| KotlinClassMetadata.FileFacade.Writer writer = new KotlinClassMetadata.FileFacade.Writer(); |
| kmPackage.accept(writer); |
| return writer.write().getHeader(); |
| } |
| } |
| |
| @Override |
| public Kind getKind() { |
| return Kind.Part; |
| } |
| |
| @Override |
| public boolean isClassPart() { |
| return true; |
| } |
| |
| @Override |
| public KotlinClassPart asClassPart() { |
| return this; |
| } |
| |
| @Override |
| public String toString(String indent) { |
| StringBuilder sb = new StringBuilder(indent); |
| sb.append("Metadata.MultiFileClassPart {"); |
| sb.append(StringUtils.LINE_SEPARATOR); |
| sb.append(kmDeclarationContainerToString(indent + INDENT)); |
| appendKeyValue(indent + INDENT, "facadeClassName", facadeClassName, sb); |
| sb.append(indent); |
| sb.append("}"); |
| return sb.toString(); |
| } |
| } |