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/*
* Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
// @internal
function toInteger(target)
{
"use strict";
var numberValue = @Number(target);
// isNaN(numberValue)
if (numberValue !== numberValue)
return 0;
if (numberValue === 0 || !@isFinite(numberValue))
return numberValue;
return (numberValue > 0 ? 1 : -1) * @floor(@abs(numberValue));
}
function toLength(target)
{
"use strict";
var maxSafeInteger = 0x1FFFFFFFFFFFFF;
var length = @toInteger(target);
// originally Math.min(Math.max(length, 0), maxSafeInteger));
return length > 0 ? (length < maxSafeInteger ? length : maxSafeInteger) : 0;
}
function isDictionary(object)
{
"use strict";
return object === @undefined || object == null || typeof object === "object";
}
// FIXME: this needs to have it's name changed to "get [Symbol.species]".
// see: https://bugs.webkit.org/show_bug.cgi?id=151363
function speciesGetter()
{
return this;
}
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