/*
 * Copyright (c) 2013, 2014, 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.graal.replacements;

import com.oracle.graal.api.replacements.*;
import com.oracle.graal.replacements.nodes.*;

/**
 * Substitutions for {@link java.util.Arrays} methods.
 */
@ClassSubstitution(value = java.util.Arrays.class, defaultGuard = UnsafeSubstitutions.GetAndSetGuard.class)
public class ArraysSubstitutions {

    @MethodSubstitution
    public static boolean equals(boolean[] a, boolean[] a2) {
        if (a == a2) {
            return true;
        }
        if (a == null || a2 == null || a.length != a2.length) {
            return false;
        }
        return ArrayEqualsNode.equals(a, a2, a.length);
    }

    @MethodSubstitution
    public static boolean equals(byte[] a, byte[] a2) {
        if (a == a2) {
            return true;
        }
        if (a == null || a2 == null || a.length != a2.length) {
            return false;
        }
        return ArrayEqualsNode.equals(a, a2, a.length);
    }

    @MethodSubstitution
    public static boolean equals(char[] a, char[] a2) {
        if (a == a2) {
            return true;
        }
        if (a == null || a2 == null || a.length != a2.length) {
            return false;
        }
        return ArrayEqualsNode.equals(a, a2, a.length);
    }

    @MethodSubstitution
    public static boolean equals(short[] a, short[] a2) {
        if (a == a2) {
            return true;
        }
        if (a == null || a2 == null || a.length != a2.length) {
            return false;
        }
        return ArrayEqualsNode.equals(a, a2, a.length);
    }

    @MethodSubstitution
    public static boolean equals(int[] a, int[] a2) {
        if (a == a2) {
            return true;
        }
        if (a == null || a2 == null || a.length != a2.length) {
            return false;
        }
        return ArrayEqualsNode.equals(a, a2, a.length);
    }

    @MethodSubstitution
    public static boolean equals(long[] a, long[] a2) {
        if (a == a2) {
            return true;
        }
        if (a == null || a2 == null || a.length != a2.length) {
            return false;
        }
        return ArrayEqualsNode.equals(a, a2, a.length);
    }

    @MethodSubstitution
    public static boolean equals(float[] a, float[] a2) {
        if (a == a2) {
            return true;
        }
        if (a == null || a2 == null || a.length != a2.length) {
            return false;
        }
        return ArrayEqualsNode.equals(a, a2, a.length);
    }

    @MethodSubstitution
    public static boolean equals(double[] a, double[] a2) {
        if (a == a2) {
            return true;
        }
        if (a == null || a2 == null || a.length != a2.length) {
            return false;
        }
        return ArrayEqualsNode.equals(a, a2, a.length);
    }
}
