nashorn/src/jdk/nashorn/internal/ir/Assignment.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code 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 Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
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 *
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package jdk.nashorn.internal.ir;

/**
 * Can a node be an assignment under certain circumstances?
 * Then it should implement this interface
 *
 * @param <D> the destination type
 */
public interface Assignment<D extends Expression> {

    /**
     * Get assignment destination
     *
     * @return get the assignment destination node
     */
    public D getAssignmentDest();

    /**
     * Get the assignment source
     *
     * @return get the assignment source node
     */
    public Expression getAssignmentSource();

    /**
     * Set assignment destination node.
     * @param n the assignment destination node.
     * @return a node equivalent to this one except for the requested change.
     */
    public Node setAssignmentDest(D n);
}