/*
 *  Copyright (C) 2004-2005 by Digital Mars, www.digitalmars.com
 *  Written by Walter Bright
 *
 *  This software is provided 'as-is', without any express or implied
 *  warranty. In no event will the authors be held liable for any damages
 *  arising from the use of this software.
 *
 *  Permission is granted to anyone to use this software for any purpose,
 *  including commercial applications, and to alter it and redistribute it
 *  freely, in both source and binary form, subject to the following
 *  restrictions:
 *
 *  o  The origin of this software must not be misrepresented; you must not
 *     claim that you wrote the original software. If you use this software
 *     in a product, an acknowledgment in the product documentation would be
 *     appreciated but is not required.
 *  o  Altered source versions must be plainly marked as such, and must not
 *     be misrepresented as being the original software.
 *  o  This notice may not be removed or altered from any source
 *     distribution.
 */

module std.typeinfo.ti_C;

// Object

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

    override int 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;
    }
}

