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Make use of ArrayObjects in favor of generic JS objects.

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ArrayObjects has been a thing for years but been under-used. About time
they are used where prudent.
This commit is contained in:
wolfbeast 2019-06-12 03:19:09 +00:00 • committed by Roy Tam
commit 87f3c86484
14 changed files with 57 additions and 96 deletions
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7
js/src/vm/ObjectGroup.cpp
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@ -774,7 +774,7 @@ GetValueTypeForTable(const Value& v)
return type;
}
/* static */ JSObject*
/* static */ ArrayObject*
ObjectGroup::newArrayObject(ExclusiveContext* cx,
const Value* vp, size_t length,
NewObjectKind newKind, NewArrayKind arrayKind)
@ -854,11 +854,8 @@ ObjectGroup::newArrayObject(ExclusiveContext* cx,
}
// The type of the elements being added will already be reflected in type
// information, but make sure when creating an unboxed array that the
// common element type is suitable for the unboxed representation.
// information.
ShouldUpdateTypes updateTypes = ShouldUpdateTypes::DontUpdate;
if (!MaybeAnalyzeBeforeCreatingLargeArray(cx, group, vp, length))
return nullptr;
if (group->maybePreliminaryObjects())
group->maybePreliminaryObjects()->maybeAnalyze(cx, group);