/*

 * Copyright (c) 2014, 2016, 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 jdk.vm.ci.hotspot;

import jdk.vm.ci.meta.JavaConstant;

import jdk.vm.ci.meta.JavaKind;

import jdk.vm.ci.meta.VMConstant;

import jdk.vm.ci.meta.Value;

import jdk.vm.ci.meta.ValueKind;

public final class HotSpotSentinelConstant extends Value implements JavaConstant, VMConstant {

    private final JavaKind javaKind;

    public HotSpotSentinelConstant(ValueKind<?> valueKind, JavaKind javaKind) {

        super(valueKind);

        this.javaKind = javaKind;

    }

    @Override

    public JavaKind getJavaKind() {

        return javaKind;

    }

    @Override

    public boolean isNull() {

        return true;

    }

    @Override

    public boolean isDefaultForKind() {

        return true;

    }

    @Override

    public Object asBoxedPrimitive() {

        throw new IllegalArgumentException();

    }

    @Override

    public int asInt() {

        throw new IllegalArgumentException();

    }

    @Override

    public boolean asBoolean() {

        throw new IllegalArgumentException();

    }

    @Override

    public long asLong() {

        throw new IllegalArgumentException();

    }

    @Override

    public float asFloat() {

        throw new IllegalArgumentException();

    }

    @Override

    public double asDouble() {

        throw new IllegalArgumentException();

    }

    @Override

    public String toString() {

        return JavaConstant.toString(this);

    }

    @Override

    public String toValueString() {

        return "sentinel";

    }

    @Override

    public int hashCode() {

        return 13;

    }

    @Override

    public boolean equals(Object o) {

        return o instanceof HotSpotSentinelConstant;

    }

}