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An easy-to-learn/use static analysis framework for Java

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/*
 * Tai-e: A Static Analysis Framework for Java
 *
 * Copyright (C) 2022 Tian Tan 
 * Copyright (C) 2022 Yue Li 
 *
 * This file is part of Tai-e.
 *
 * Tai-e is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation, either version 3
 * of the License, or (at your option) any later version.
 *
 * Tai-e is distributed in the hope that it will be useful,but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
 * Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with Tai-e. If not, see .
 */

package pascal.taie.config;

import pascal.taie.util.graph.Graph;
import pascal.taie.util.graph.SimpleGraph;

import java.util.List;
import java.util.Set;

/**
 * Contains information about analysis execution plan.
 *
 * @param analyses        list of analyses to be executed.
 * @param dependenceGraph graph that describes dependencies among analyses.
 *                        This graph is used to clear unused analysis results.
 * @param keepResult      set of IDs for the analyses whose results are kept.
 */
public record Plan(
        List analyses,
        Graph dependenceGraph,
        Set keepResult) {

    /**
     * Special element for {@link #keepResult}, which means
     * to keep results of all analyses.
     */
    public static final String KEEP_ALL = "$KEEP-ALL";

    private static final Plan EMPTY = new Plan(List.of(), new SimpleGraph<>(), Set.of());

    /**
     * @return an empty plan.
     */
    public static Plan emptyPlan() {
        return EMPTY;
    }
}