| // 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.ir.desugar.BackportedMethodRewriter.MethodInvokeRewriter; |
| import org.objectweb.asm.Opcodes; |
| |
| public final class CollectionMethodRewrites { |
| |
| private CollectionMethodRewrites() {} |
| |
| public static MethodInvokeRewriter rewriteListOfEmpty() { |
| return rewriteToCollectionMethod("emptyList"); |
| } |
| |
| public static MethodInvokeRewriter rewriteSetOfEmpty() { |
| return rewriteToCollectionMethod("emptySet"); |
| } |
| |
| public static MethodInvokeRewriter rewriteMapOfEmpty() { |
| return rewriteToCollectionMethod("emptyMap"); |
| } |
| |
| private static MethodInvokeRewriter rewriteToCollectionMethod(String methodName) { |
| return (invoke, factory) -> |
| new CfInvoke( |
| Opcodes.INVOKESTATIC, |
| factory.createMethod(factory.collectionsType, invoke.getMethod().proto, methodName), |
| false); |
| } |
| } |