src/main/java/com/android/tools/r8/optimize/argumentpropagation/codescanner/ConcreteReferenceTypeParameterState.java

// Copyright (c) 2021, 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.optimize.argumentpropagation.codescanner;

import com.android.tools.r8.graph.AppView;
import com.android.tools.r8.graph.DexType;
import com.android.tools.r8.ir.analysis.type.DynamicType;
import com.android.tools.r8.ir.analysis.type.Nullability;
import com.android.tools.r8.shaking.AppInfoWithLiveness;
import com.android.tools.r8.utils.Action;
import java.util.Set;

public abstract class ConcreteReferenceTypeParameterState extends ConcreteParameterState {

  ConcreteReferenceTypeParameterState(Set<MethodParameter> inParameters) {
    super(inParameters);
  }

  public abstract DynamicType getDynamicType();

  public abstract Nullability getNullability();

  @Override
  public boolean isReferenceParameter() {
    return true;
  }

  @Override
  public ConcreteReferenceTypeParameterState asReferenceParameter() {
    return this;
  }

  public abstract ParameterState mutableJoin(
      AppView<AppInfoWithLiveness> appView,
      ConcreteReferenceTypeParameterState parameterState,
      DexType parameterType,
      Action onChangedAction);
}