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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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24
js/src/jsarray.h
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@ -72,30 +72,30 @@ extern ArrayObject*
NewDenseFullyAllocatedArrayWithTemplate(JSContext* cx, uint32_t length, JSObject* templateObject);
/* Create a dense array with the same copy-on-write elements as another object. */
extern JSObject*
extern ArrayObject*
NewDenseCopyOnWriteArray(JSContext* cx, HandleArrayObject templateObject, gc::InitialHeap heap);
// The methods below can create either boxed or unboxed arrays.
extern JSObject*
extern ArrayObject*
NewFullyAllocatedArrayTryUseGroup(ExclusiveContext* cx, HandleObjectGroup group, size_t length,
NewObjectKind newKind = GenericObject);
extern JSObject*
extern ArrayObject*
NewPartlyAllocatedArrayTryUseGroup(ExclusiveContext* cx, HandleObjectGroup group, size_t length);
extern JSObject*
extern ArrayObject*
NewFullyAllocatedArrayTryReuseGroup(JSContext* cx, JSObject* obj, size_t length,
NewObjectKind newKind = GenericObject);
extern JSObject*
extern ArrayObject*
NewPartlyAllocatedArrayTryReuseGroup(JSContext* cx, JSObject* obj, size_t length);
extern JSObject*
extern ArrayObject*
NewFullyAllocatedArrayForCallingAllocationSite(JSContext* cx, size_t length,
NewObjectKind newKind = GenericObject);
extern JSObject*
extern ArrayObject*
NewPartlyAllocatedArrayForCallingAllocationSite(JSContext* cx, size_t length, HandleObject proto);
enum class ShouldUpdateTypes
@ -104,17 +104,13 @@ enum class ShouldUpdateTypes
DontUpdate
};
extern bool
MaybeAnalyzeBeforeCreatingLargeArray(ExclusiveContext* cx, HandleObjectGroup group,
const Value* vp, size_t length);
extern JSObject*
extern ArrayObject*
NewCopiedArrayTryUseGroup(ExclusiveContext* cx, HandleObjectGroup group,
const Value* vp, size_t length,
NewObjectKind newKind = GenericObject,
ShouldUpdateTypes updateTypes = ShouldUpdateTypes::Update);
extern JSObject*
extern ArrayObject*
NewCopiedArrayForCallingAllocationSite(JSContext* cx, const Value* vp, size_t length,
HandleObject proto = nullptr);
@ -202,7 +198,7 @@ array_splice(JSContext* cx, unsigned argc, js::Value* vp);
extern bool
NewbornArrayPush(JSContext* cx, HandleObject obj, const Value& v);
extern JSObject*
extern ArrayObject*
ArrayConstructorOneArg(JSContext* cx, HandleObjectGroup group, int32_t lengthInt);
#ifdef DEBUG