/* Qilin - a Java Pointer Analysis Framework
 * Copyright (C) 2021-2030 Qilin developers
 *
 * This program 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 3.0 of the
 * License, or (at your option) any later version.
 *
 * This program 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 General Lesser Public License for more details.
 *
 * You should have received a copy of the GNU General Lesser Public
 * License along with this program.  If not, see
 * <https://www.gnu.org/licenses/lgpl-3.0.en.html>.
 */

package qilin.microben.core.assign;

import qilin.microben.utils.Assert;

/*
 * Note that there is no explicit PAG edge from receiver variable to this^{callee} due to the virtual dispatch.
 * */
public class Receiver2This {
    static class A {
        void foo(Object o) {
            Assert.notAlias(this, o);
        }
    }

    static class B extends A {
        void foo(Object o) {
            Assert.mayAlias(this, o);
        }
    }

    static void test(A a, Object b) {
        a.foo(b);
    }

    public static void main(String[] args) {
        A a1 = new A(); // A
        A a2 = new B(); // B
        a1.foo(a2);
        test(a1, a2);
        test(a2, a2);
    }
}
