blob: 714040493061497f5b6c44e9fcbb1154a93055fc [file] [log] [blame]
// Copyright (c) 2017, 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.cf.code.CfFrame.FrameType;
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.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.structural.CompareToVisitor;
import java.util.ListIterator;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;
public class CfNew extends CfInstruction {
private final DexType type;
public CfNew(DexType type) {
this.type = type;
}
public DexType getType() {
return type;
}
@Override
public int getCompareToId() {
return Opcodes.NEW;
}
@Override
public int internalAcceptCompareTo(
CfInstruction other, CompareToVisitor visitor, CfCompareHelper helper) {
return type.acceptCompareTo(((CfNew) other).type, visitor);
}
@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.visitTypeInsn(Opcodes.NEW, namingLens.lookupInternalName(rewrittenType));
}
@Override
public void print(CfPrinter printer) {
printer.print(this);
}
@Override
void internalRegisterUse(
UseRegistry registry, DexClassAndMethod context, ListIterator<CfInstruction> iterator) {
registry.registerNewInstance(type);
}
@Override
public boolean canThrow() {
return true;
}
@Override
public void buildIR(IRBuilder builder, CfState state, CfSourceCode code) {
builder.addNewInstance(state.push(type).register, type);
}
@Override
public ConstraintWithTarget inliningConstraint(
InliningConstraints inliningConstraints, ProgramMethod context) {
return inliningConstraints.forNewInstance(type, context);
}
@Override
public void evaluate(
CfFrameVerificationHelper frameBuilder,
DexType context,
DexType returnType,
DexItemFactory factory,
InitClassLens initClassLens) {
// ... →
// ..., objectref
frameBuilder.push(FrameType.uninitializedNew(new CfLabel(), type));
}
}