| // 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.ir.desugar.backports; |
| |
| import com.android.tools.r8.cf.code.CfInvoke; |
| import com.android.tools.r8.graph.DexItemFactory; |
| import com.android.tools.r8.graph.DexType; |
| import com.android.tools.r8.ir.desugar.BackportedMethodRewriter.MethodInvokeRewriter; |
| import java.util.function.Function; |
| import org.objectweb.asm.Opcodes; |
| |
| public final class OptionalMethodRewrites { |
| |
| private OptionalMethodRewrites() {} |
| |
| private static MethodInvokeRewriter createRewriter( |
| Function<DexItemFactory, DexType> holderTypeSupplier, String methodName) { |
| return (invoke, factory) -> |
| new CfInvoke( |
| Opcodes.INVOKEVIRTUAL, |
| factory.createMethod( |
| holderTypeSupplier.apply(factory), invoke.getMethod().proto, methodName), |
| false); |
| } |
| |
| public static MethodInvokeRewriter rewriteOrElseGet() { |
| return createRewriter(factory -> factory.optionalType, "get"); |
| } |
| |
| public static MethodInvokeRewriter rewriteDoubleOrElseGet() { |
| return createRewriter(factory -> factory.optionalDoubleType, "getAsDouble"); |
| } |
| |
| public static MethodInvokeRewriter rewriteIntOrElseGet() { |
| return createRewriter(factory -> factory.optionalIntType, "getAsInt"); |
| } |
| |
| public static MethodInvokeRewriter rewriteLongOrElseGet() { |
| return createRewriter(factory -> factory.optionalLongType, "getAsLong"); |
| } |
| } |