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// 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.kotlin;
import com.android.tools.r8.graph.AppView;
import com.android.tools.r8.graph.DexClass;
import com.android.tools.r8.graph.DexDefinitionSupplier;
import com.android.tools.r8.graph.DexEncodedMethod;
import com.android.tools.r8.naming.NamingLens;
import com.android.tools.r8.utils.Pair;
import java.util.function.Consumer;
import kotlinx.metadata.KmPackage;
import kotlinx.metadata.jvm.KotlinClassHeader;
import kotlinx.metadata.jvm.KotlinClassMetadata;
import kotlinx.metadata.jvm.KotlinClassMetadata.MultiFileClassPart;
// Holds information about Metadata.MultiFileClassPartInfo
public class KotlinMultiFileClassPartInfo implements KotlinClassLevelInfo {
// TODO(b/157630779): Maybe model facadeClassName.
private final String facadeClassName;
private final KotlinPackageInfo packageInfo;
private final String packageName;
private final int[] metadataVersion;
private KotlinMultiFileClassPartInfo(
String facadeClassName,
KotlinPackageInfo packageInfo,
String packageName,
int[] metadataVersion) {
this.facadeClassName = facadeClassName;
this.packageInfo = packageInfo;
this.packageName = packageName;
this.metadataVersion = metadataVersion;
}
static KotlinMultiFileClassPartInfo create(
MultiFileClassPart classPart,
String packageName,
int[] metadataVersion,
DexClass clazz,
AppView<?> appView,
Consumer<DexEncodedMethod> keepByteCode) {
KmPackage kmPackage = classPart.toKmPackage();
KotlinJvmSignatureExtensionInformation extensionInformation =
KotlinJvmSignatureExtensionInformation.readInformationFromMessage(
classPart, appView.options());
return new KotlinMultiFileClassPartInfo(
classPart.getFacadeClassName(),
KotlinPackageInfo.create(kmPackage, clazz, appView, keepByteCode, extensionInformation),
packageName,
metadataVersion);
}
@Override
public boolean isMultiFileClassPart() {
return true;
}
@Override
public KotlinMultiFileClassPartInfo asMultiFileClassPart() {
return this;
}
@Override
public Pair<KotlinClassHeader, Boolean> rewrite(
DexClass clazz, AppView<?> appView, NamingLens namingLens) {
KmPackage kmPackage = new KmPackage();
boolean rewritten = packageInfo.rewrite(kmPackage, clazz, appView, namingLens);
KotlinClassMetadata.MultiFileClassPart.Writer writer =
new KotlinClassMetadata.MultiFileClassPart.Writer();
kmPackage.accept(writer);
return Pair.create(writer.write(facadeClassName).getHeader(), rewritten);
}
@Override
public String getPackageName() {
return packageName;
}
@Override
public int[] getMetadataVersion() {
return metadataVersion;
}
@Override
public void trace(DexDefinitionSupplier definitionSupplier) {
packageInfo.trace(definitionSupplier);
}
}