| // 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.cf.code.CfInstruction; |
| import com.android.tools.r8.cf.code.CfTryCatch; |
| import com.android.tools.r8.graph.AppView; |
| import com.android.tools.r8.graph.CfCode; |
| import com.android.tools.r8.graph.DexEncodedMethod; |
| import com.android.tools.r8.graph.DexMethod; |
| import com.android.tools.r8.ir.code.Position; |
| import com.android.tools.r8.ir.conversion.CfSourceCode; |
| import com.android.tools.r8.ir.conversion.SourceCode; |
| import com.android.tools.r8.ir.synthetic.AbstractSynthesizedCode.SourceCodeProvider; |
| import com.android.tools.r8.origin.Origin; |
| import com.google.common.collect.ImmutableList; |
| import java.util.List; |
| |
| public abstract class CfSyntheticSourceCodeProvider implements SourceCodeProvider { |
| |
| private final DexEncodedMethod method; |
| private final DexMethod originalMethod; |
| protected final AppView<?> appView; |
| |
| public CfSyntheticSourceCodeProvider( |
| DexEncodedMethod method, DexMethod originalMethod, AppView<?> appView) { |
| this.method = method; |
| this.originalMethod = originalMethod; |
| this.appView = appView; |
| } |
| |
| @Override |
| public SourceCode get(Position callerPosition) { |
| CfCode code = generateCfCode(callerPosition); |
| return new CfSourceCode( |
| code, |
| code.getLocalVariables(), |
| method, |
| originalMethod, |
| callerPosition, |
| Origin.unknown(), |
| appView); |
| } |
| |
| protected abstract CfCode generateCfCode(Position callerPosition); |
| |
| protected CfCode standardCfCodeFromInstructions(List<CfInstruction> instructions) { |
| return new CfCode( |
| method.method.holder, |
| defaultMaxStack(), |
| defaultMaxLocals(), |
| instructions, |
| defaultTryCatchs(), |
| ImmutableList.of()); |
| } |
| |
| protected int defaultMaxStack() { |
| return 16; |
| } |
| |
| protected int defaultMaxLocals() { |
| return 16; |
| } |
| |
| protected List<CfTryCatch> defaultTryCatchs() { |
| return ImmutableList.of(); |
| } |
| } |