| /* |
| * Copyright (C) 2016 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. |
| */ |
| |
| @constructor |
| @globalPrivate |
| function createSetIterator(iteratedObject, kind) |
| { |
| "use strict"; |
| |
| @assert(@isSet(iteratedObject)); |
| @putByIdDirectPrivate(this, "iteratedObject", iteratedObject); |
| @putByIdDirectPrivate(this, "setIteratorKind", kind); |
| @putByIdDirectPrivate(this, "setBucket", @setBucketHead(iteratedObject)); |
| } |
| |
| function values() |
| { |
| "use strict"; |
| |
| if (!@isSet(this)) |
| @throwTypeError("Set.prototype.values requires that |this| be Set"); |
| |
| return new @createSetIterator(this, @iterationKindValue); |
| } |
| |
| function entries() |
| { |
| "use strict"; |
| |
| if (!@isSet(this)) |
| @throwTypeError("Set.prototype.entries requires that |this| be Set"); |
| |
| return new @createSetIterator(this, @iterationKindKeyValue); |
| } |
| |
| function forEach(callback /*, thisArg */) |
| { |
| "use strict"; |
| |
| if (!@isSet(this)) |
| @throwTypeError("Set operation called on non-Set object"); |
| |
| if (typeof callback !== 'function') |
| @throwTypeError("Set.prototype.forEach callback must be a function"); |
| |
| var thisArg = @argument(1); |
| var bucket = @setBucketHead(this); |
| |
| do { |
| bucket = @setBucketNext(bucket); |
| if (bucket === @sentinelSetBucket) |
| break; |
| var key = @setBucketKey(bucket); |
| callback.@call(thisArg, key, key, this); |
| } while (true); |
| } |