| // 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 static com.android.tools.r8.kotlin.KotlinMetadataUtils.toJvmMethodSignature; |
| |
| 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.shaking.AppInfoWithLiveness; |
| import com.android.tools.r8.utils.Reporter; |
| import kotlinx.metadata.KmLambda; |
| import kotlinx.metadata.KmLambdaVisitor; |
| import kotlinx.metadata.jvm.JvmExtensionsKt; |
| import kotlinx.metadata.jvm.JvmMethodSignature; |
| |
| // Holds information about a KmLambda |
| public class KotlinLambdaInfo { |
| |
| private final KotlinFunctionInfo function; |
| |
| private KotlinLambdaInfo(KotlinFunctionInfo function) { |
| this.function = function; |
| } |
| |
| static KotlinLambdaInfo create( |
| DexClass clazz, |
| KmLambda lambda, |
| DexDefinitionSupplier definitionSupplier, |
| Reporter reporter) { |
| if (lambda == null) { |
| assert false; |
| return null; |
| } |
| JvmMethodSignature signature = JvmExtensionsKt.getSignature(lambda.function); |
| if (signature == null) { |
| assert false; |
| return null; |
| } |
| for (DexEncodedMethod method : clazz.methods()) { |
| if (toJvmMethodSignature(method.method).asString().equals(signature.asString())) { |
| KotlinFunctionInfo kotlinFunctionInfo = |
| KotlinFunctionInfo.create(lambda.function, definitionSupplier, reporter); |
| method.setKotlinMemberInfo(kotlinFunctionInfo); |
| return new KotlinLambdaInfo(kotlinFunctionInfo); |
| } |
| } |
| // TODO(b/155536535): Resolve this assert for NestTreeShakeJarVerificationTest. |
| // assert false; |
| return null; |
| } |
| |
| boolean rewrite( |
| KmVisitorProviders.KmLambdaVisitorProvider visitorProvider, |
| DexClass clazz, |
| AppView<AppInfoWithLiveness> appView, |
| NamingLens namingLens) { |
| for (DexEncodedMethod method : clazz.methods()) { |
| if (method.getKotlinMemberInfo() == function) { |
| KmLambdaVisitor kmLambdaVisitor = visitorProvider.get(); |
| function.rewrite(kmLambdaVisitor::visitFunction, method, appView, namingLens); |
| return true; |
| } |
| } |
| return false; |
| } |
| } |