proguard.analysis.cpa.defaults.SingleWrapperTransferRelation Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of proguard-core Show documentation

ProGuardCORE is a free library to read, analyze, modify, and write Java class files.

There is a newer version: 9.1.6

/*
 * ProGuardCORE -- library to process Java bytecode.
 *
 * Copyright (c) 2002-2022 Guardsquare NV
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package proguard.analysis.cpa.defaults;

import java.util.Collection;
import java.util.Collections;
import proguard.analysis.cpa.interfaces.AbstractState;
import proguard.analysis.cpa.interfaces.Precision;
import proguard.analysis.cpa.interfaces.TransferRelation;
import proguard.analysis.cpa.interfaces.WrapperTransferRelation;

/**
 * This {@link WrapperTransferRelation} applies its (only) inner {@link TransferRelation} to the
 * input.
 *
 * @author Dmitry Ivanov
 */
public class SingleWrapperTransferRelation implements WrapperTransferRelation {

  protected TransferRelation wrappedTransferRelation;

  /**
   * Create a wrapper transfer relation around the given {@link TransferRelation}.
   *
   * @param wrappedTransferRelation a transfer relation to be wrapped
   */
  public SingleWrapperTransferRelation(TransferRelation wrappedTransferRelation) {
    this.wrappedTransferRelation = wrappedTransferRelation;
  }

  // implementations for WrapperTransferRelation

  @Override
  public Iterable getWrappedTransferRelations() {
    return Collections.singletonList(wrappedTransferRelation);
  }

  // implementations for TransferRelation

  @Override
  public Collection generateAbstractSuccessors(
      AbstractState abstractState, Precision precision) {
    return wrappedTransferRelation.generateAbstractSuccessors(abstractState, precision);
  }
}