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

There is a newer version: 9.1.7

/*
 * 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.interfaces;

import proguard.analysis.cpa.defaults.NeverAbortOperator;

/**
 * This interface wraps the main CPA algorithm parametrized by the {@link ReachedSet}, the {@link Waitlist}, and the {@link AbortOperator}.
 *
 * @author Dmitry Ivanov
 */
public interface Algorithm
{

    /**
     * Launches the algorithm updating the {@code reachedSet} and the {@code waitlist}.
     * A proper selection of parameters allows resuming the algorithm from a saved state.
     * The {@code abortOperator} determines whether the analysis should end prematurely.
     */
    void run(ReachedSet reachedSet, Waitlist waitlist, AbortOperator abortOperator);

    /**
     * Launches the algorithm updating the {@code reachedSet} and the {@code waitlist}.
     * A proper selection of parameters allows resuming the algorithm from a saved state.
     */
    default void run(ReachedSet reachedSet, Waitlist waitlist)
    {
        run(reachedSet, waitlist, NeverAbortOperator.INSTANCE);
    }
}