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author | wolfbeast <mcwerewolf@wolfbeast.com> | 2019-08-18 16:25:15 +0200 |
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committer | wolfbeast <mcwerewolf@wolfbeast.com> | 2019-08-18 16:26:16 +0200 |
commit | 202296d02aa99afa90581333ab059c050b9c3ade (patch) | |
tree | 6ed8a1289bed1bb06d2703ea77cba5fccd3bdffa /js/src/vm/NativeObject-inl.h | |
parent | 1530f48c27fb13d7cbd2708c9f0fcf2dabc6ed6a (diff) | |
parent | ab6242a93b849b0a3c7525b16bc01dd3172fc167 (diff) | |
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Pull Basilisk-release forward.
Diffstat (limited to 'js/src/vm/NativeObject-inl.h')
-rw-r--r-- | js/src/vm/NativeObject-inl.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/js/src/vm/NativeObject-inl.h b/js/src/vm/NativeObject-inl.h index 48a42a8db..e55e3db04 100644 --- a/js/src/vm/NativeObject-inl.h +++ b/js/src/vm/NativeObject-inl.h @@ -235,6 +235,38 @@ NativeObject::ensureDenseElements(ExclusiveContext* cx, uint32_t index, uint32_t return DenseElementResult::Success; } +inline DenseElementResult +NativeObject::setOrExtendDenseElements(ExclusiveContext* cx, uint32_t start, const Value* vp, + uint32_t count, + ShouldUpdateTypes updateTypes) +{ + if (denseElementsAreFrozen()) + return DenseElementResult::Incomplete; + + if (is<ArrayObject>() && + !as<ArrayObject>().lengthIsWritable() && + start + count >= as<ArrayObject>().length()) + { + return DenseElementResult::Incomplete; + } + + DenseElementResult result = ensureDenseElements(cx, start, count); + if (result != DenseElementResult::Success) + return result; + + if (is<ArrayObject>() && start + count >= as<ArrayObject>().length()) + as<ArrayObject>().setLengthInt32(start + count); + + if (updateTypes == ShouldUpdateTypes::DontUpdate && !shouldConvertDoubleElements()) { + copyDenseElements(start, vp, count); + } else { + for (size_t i = 0; i < count; i++) + setDenseElementWithType(cx, start + i, vp[i]); + } + + return DenseElementResult::Success; +} + inline Value NativeObject::getDenseOrTypedArrayElement(uint32_t idx) { |