/*

 * Copyright (c) 2010, 2013, 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.  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,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 */

package jdk.nashorn.internal.codegen;

import static jdk.nashorn.internal.codegen.ObjectClassGenerator.OBJECT_FIELDS_ONLY;

import jdk.nashorn.internal.ir.Symbol;

/**

 * A tuple of values used for map creation

 * @param <T> value type

 */

class MapTuple<T> {

    final String key;

    final Symbol symbol;

    final T      value;

    MapTuple(final String key, final Symbol symbol) {

        this(key, symbol, null);

    }

    MapTuple(final String key, final Symbol symbol, final T value) {

        this.key    = key;

        this.symbol = symbol;

        this.value  = value;

    }

    public Class<?> getValueType() {

        return OBJECT_FIELDS_ONLY ? Object.class : null; //until proven otherwise we are undefined, see NASHORN-592 int.class;

    }

    boolean isPrimitive() {

        return !OBJECT_FIELDS_ONLY && getValueType().isPrimitive() && getValueType() != boolean.class;

    }

    @Override

    public String toString() {

        return "[key=" + key + ", symbol=" + symbol + ", value=" + value + " (" + (value == null ? "null" : value.getClass().getSimpleName()) +")]";

    }

}