| // 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.synthetic; |
| |
| import com.android.tools.r8.graph.DexItemFactory; |
| import com.android.tools.r8.graph.DexMethod; |
| import com.android.tools.r8.graph.DexProto; |
| import com.android.tools.r8.graph.DexType; |
| import com.android.tools.r8.ir.code.Invoke.Type; |
| import com.android.tools.r8.ir.code.Position; |
| import com.android.tools.r8.ir.code.ValueType; |
| import com.android.tools.r8.ir.conversion.IRBuilder; |
| import java.util.Collections; |
| |
| // Source code representing simple forwarding method. |
| public final class ExceptionThrowingSourceCode extends SyntheticSourceCode { |
| |
| private static final int register = 0; |
| private final DexType exceptionType; |
| |
| public ExceptionThrowingSourceCode( |
| DexType receiver, DexMethod method, Position callerPosition, DexType exceptionType) { |
| super(receiver, method, callerPosition); |
| this.exceptionType = exceptionType; |
| } |
| |
| @Override |
| protected void prepareInstructions() { |
| add(builder -> build(builder, exceptionType)); |
| } |
| |
| public static void build(IRBuilder builder, DexType exceptionType) { |
| DexItemFactory factory = builder.appView.dexItemFactory(); |
| DexProto initProto = factory.createProto(factory.voidType); |
| DexMethod initMethod = |
| factory.createMethod(exceptionType, initProto, factory.constructorMethodName); |
| builder.addNewInstance(register, exceptionType); |
| builder.addInvoke( |
| Type.DIRECT, |
| initMethod, |
| initMethod.proto, |
| Collections.singletonList(ValueType.OBJECT), |
| Collections.singletonList(register), |
| false /* isInterface */); |
| builder.addThrow(register); |
| } |
| } |