| // Copyright (c) 2018, 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.cf.code; |
| |
| import com.android.tools.r8.cf.CfPrinter; |
| import com.android.tools.r8.graph.AppView; |
| import com.android.tools.r8.graph.CfCompareHelper; |
| import com.android.tools.r8.graph.DexClassAndMethod; |
| import com.android.tools.r8.graph.DexItemFactory; |
| import com.android.tools.r8.graph.DexProgramClass; |
| import com.android.tools.r8.graph.DexType; |
| import com.android.tools.r8.graph.GraphLens; |
| import com.android.tools.r8.graph.InitClassLens; |
| import com.android.tools.r8.graph.ProgramMethod; |
| import com.android.tools.r8.graph.UseRegistry; |
| import com.android.tools.r8.ir.conversion.CfSourceCode; |
| import com.android.tools.r8.ir.conversion.CfState; |
| import com.android.tools.r8.ir.conversion.IRBuilder; |
| import com.android.tools.r8.ir.conversion.LensCodeRewriterUtils; |
| import com.android.tools.r8.ir.optimize.Inliner.ConstraintWithTarget; |
| import com.android.tools.r8.ir.optimize.InliningConstraints; |
| import com.android.tools.r8.naming.NamingLens; |
| import com.android.tools.r8.utils.InternalOptions; |
| import java.util.Comparator; |
| import org.objectweb.asm.MethodVisitor; |
| import org.objectweb.asm.Opcodes; |
| |
| public class CfMultiANewArray extends CfInstruction { |
| |
| private final DexType type; |
| private final int dimensions; |
| |
| public CfMultiANewArray(DexType type, int dimensions) { |
| this.type = type; |
| this.dimensions = dimensions; |
| } |
| |
| public DexType getType() { |
| return type; |
| } |
| |
| public int getDimensions() { |
| return dimensions; |
| } |
| |
| @Override |
| public int getCompareToId() { |
| return Opcodes.MULTIANEWARRAY; |
| } |
| |
| @Override |
| public int internalCompareTo(CfInstruction other, CfCompareHelper helper) { |
| return Comparator.comparingInt(CfMultiANewArray::getDimensions) |
| .thenComparing(CfMultiANewArray::getType, DexType::slowCompareTo) |
| .compare(this, ((CfMultiANewArray) other)); |
| } |
| |
| @Override |
| public void write( |
| AppView<?> appView, |
| ProgramMethod context, |
| DexItemFactory dexItemFactory, |
| GraphLens graphLens, |
| InitClassLens initClassLens, |
| NamingLens namingLens, |
| LensCodeRewriterUtils rewriter, |
| MethodVisitor visitor) { |
| DexType rewrittenType = graphLens.lookupType(getType()); |
| visitor.visitMultiANewArrayInsn(namingLens.lookupInternalName(rewrittenType), dimensions); |
| } |
| |
| @Override |
| public void print(CfPrinter printer) { |
| printer.print(this); |
| } |
| |
| @Override |
| void internalRegisterUse(UseRegistry registry, DexClassAndMethod context) { |
| registry.registerTypeReference(type); |
| } |
| |
| @Override |
| public boolean canThrow() { |
| return true; |
| } |
| |
| @Override |
| public void buildIR(IRBuilder builder, CfState state, CfSourceCode code) { |
| InternalOptions options = builder.appView.options(); |
| assert !options.isGeneratingDex(); |
| int[] dimensions = state.popReverse(this.dimensions); |
| builder.addMultiNewArray(type, state.push(type).register, dimensions); |
| } |
| |
| @Override |
| public ConstraintWithTarget inliningConstraint( |
| InliningConstraints inliningConstraints, DexProgramClass context) { |
| return inliningConstraints.forInvokeMultiNewArray(type, context); |
| } |
| |
| @Override |
| public void evaluate( |
| CfFrameVerificationHelper frameBuilder, |
| DexType context, |
| DexType returnType, |
| DexItemFactory factory, |
| InitClassLens initClassLens) { |
| // ..., count1, [count2, ...] → |
| // ..., arrayref |
| for (int i = 0; i < dimensions; i++) { |
| frameBuilder.pop(factory.intType); |
| } |
| frameBuilder.push(type); |
| } |
| } |