WebKit/Source/JavaScriptCore/builtins/SetPrototype.js at main · WebKit/WebKit · GitHub

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* 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.

function forEach(callback /*, thisArg */)

{

"use strict";

if (!@isSet(this))

@throwTypeError("Set operation called on non-Set object");

if (!@isCallable(callback))

@throwTypeError("Set.prototype.forEach callback must be a function");

var thisArg = @argument(1);

var storage = @setStorage(this);

var entry = 0;

do {

storage = @setIterationNext(storage, entry);

if (storage == @orderedHashTableSentinel)

break;

entry = @setIterationEntry(storage) + 1;

var key = @setIterationEntryKey(storage);

callback.@call(thisArg, key, key, this);

} while (true);

}

WebKit/Source/JavaScriptCore/builtins/SetPrototype.js at main · WebKit/WebKit · GitHub

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