/*
 * Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved.
 * 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.
 *
 * 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,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */
package com.oracle.max.graal.nodes.java;

import com.oracle.max.graal.nodes.*;
import com.oracle.max.graal.nodes.type.*;
import com.sun.cri.ci.*;

/**
 * The {@code AccessIndexedNode} class is the base class of instructions that read or write
 * elements of an array.
 */
public abstract class AccessIndexedNode extends AccessArrayNode {

    @Input private ValueNode index;
    @Input private ValueNode length;

    public ValueNode index() {
        return index;
    }

    public ValueNode length() {
        return length;
    }

    private final CiKind elementType;

    /**
     * Create an new AccessIndexedNode.
     * @param kind the result kind of the access
     * @param array the instruction producing the array
     * @param index the instruction producing the index
     * @param length the instruction producing the length
     * @param elementKind the type of the elements of the array
     */
    protected AccessIndexedNode(Stamp stamp, ValueNode array, ValueNode index, ValueNode length, CiKind elementKind) {
        super(stamp, array);
        this.index = index;
        this.length = length;
        this.elementType = elementKind;
    }

    /**
     * Gets the element type of the array.
     * @return the element type
     */
    public CiKind elementKind() {
        return elementType;
    }
}