/**
 * TypeInfo support code.
 *
 * Copyright: Copyright Digital Mars 2004 - 2009.
 * License:   <a href="http://www.boost.org/LICENSE_1_0.txt">Boost License 1.0</a>.
 * Authors:   Walter Bright
 *
 *          Copyright Digital Mars 2004 - 2009.
 * Distributed under the Boost Software License, Version 1.0.
 *    (See accompanying file LICENSE_1_0.txt or copy at
 *          http://www.boost.org/LICENSE_1_0.txt)
 */
module rt.typeinfo.ti_C;

// Object

class TypeInfo_C : TypeInfo
{
    override hash_t getHash(in void* p)
    {
        Object o = *cast(Object*)p;
        return o ? o.toHash() : 0;
    }

    override equals_t equals(in void* p1, in void* p2)
    {
        Object o1 = *cast(Object*)p1;
        Object o2 = *cast(Object*)p2;

        return o1 == o2;
    }

    override int compare(in void* p1, in void* p2)
    {
        Object o1 = *cast(Object*)p1;
        Object o2 = *cast(Object*)p2;
        int c = 0;

        // Regard null references as always being "less than"
        if (!(o1 is o2))
        {
            if (o1)
            {   if (!o2)
                    c = 1;
                else
                    c = o1.opCmp(o2);
            }
            else
                c = -1;
        }
        return c;
    }

    override size_t tsize()
    {
        return Object.sizeof;
    }

    override uint flags()
    {
        return 1;
    }
}
