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Diffstat (limited to 'chromium/v8/src/objects/js-array.tq')
| -rw-r--r-- | chromium/v8/src/objects/js-array.tq | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/chromium/v8/src/objects/js-array.tq b/chromium/v8/src/objects/js-array.tq index 0cba7203a5c..dcffc68cba0 100644 --- a/chromium/v8/src/objects/js-array.tq +++ b/chromium/v8/src/objects/js-array.tq @@ -2,10 +2,28 @@ // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. +extern enum IterationKind extends uint31 +constexpr 'IterationKind' { kKeys, kValues, kEntries } + extern class JSArrayIterator extends JSObject { iterated_object: JSReceiver; next_index: Number; - kind: Smi; + kind: SmiTagged<IterationKind>; +} + +// Perform CreateArrayIterator (ES #sec-createarrayiterator). +@export +macro CreateArrayIterator(implicit context: NativeContext)( + array: JSReceiver, kind: constexpr IterationKind): JSArrayIterator { + return new JSArrayIterator{ + map: UnsafeCast<Map>( + context[NativeContextSlot::INITIAL_ARRAY_ITERATOR_MAP_INDEX]), + properties_or_hash: kEmptyFixedArray, + elements: kEmptyFixedArray, + iterated_object: array, + next_index: 0, + kind: SmiTag<IterationKind>(kind) + }; } extern class JSArray extends JSObject { |