Line data Source code
1 : // Copyright 2018 the V8 project authors. All rights reserved.
2 : // Use of this source code is governed by a BSD-style license that can be
3 : // found in the LICENSE file.
4 :
5 : #ifndef V8_OBJECTS_JS_OBJECTS_INL_H_
6 : #define V8_OBJECTS_JS_OBJECTS_INL_H_
7 :
8 : #include "src/objects/js-objects.h"
9 :
10 : #include "src/feedback-vector.h"
11 : #include "src/field-index-inl.h"
12 : #include "src/heap/heap-write-barrier.h"
13 : #include "src/keys.h"
14 : #include "src/lookup-inl.h"
15 : #include "src/objects/embedder-data-slot-inl.h"
16 : #include "src/objects/feedback-cell-inl.h"
17 : #include "src/objects/hash-table-inl.h"
18 : #include "src/objects/heap-number-inl.h"
19 : #include "src/objects/property-array-inl.h"
20 : #include "src/objects/shared-function-info.h"
21 : #include "src/objects/slots.h"
22 : #include "src/objects/smi-inl.h"
23 : #include "src/prototype-inl.h"
24 :
25 : // Has to be the last include (doesn't have include guards):
26 : #include "src/objects/object-macros.h"
27 :
28 : namespace v8 {
29 : namespace internal {
30 :
31 : OBJECT_CONSTRUCTORS_IMPL(JSReceiver, HeapObject)
32 : OBJECT_CONSTRUCTORS_IMPL(JSObject, JSReceiver)
33 : OBJECT_CONSTRUCTORS_IMPL(JSAsyncFromSyncIterator, JSObject)
34 : OBJECT_CONSTRUCTORS_IMPL(JSBoundFunction, JSObject)
35 : OBJECT_CONSTRUCTORS_IMPL(JSDate, JSObject)
36 : OBJECT_CONSTRUCTORS_IMPL(JSFunction, JSObject)
37 : OBJECT_CONSTRUCTORS_IMPL(JSGlobalObject, JSObject)
38 : OBJECT_CONSTRUCTORS_IMPL(JSGlobalProxy, JSObject)
39 : JSIteratorResult::JSIteratorResult(Address ptr) : JSObject(ptr) {}
40 : OBJECT_CONSTRUCTORS_IMPL(JSMessageObject, JSObject)
41 : OBJECT_CONSTRUCTORS_IMPL(JSStringIterator, JSObject)
42 : OBJECT_CONSTRUCTORS_IMPL(JSValue, JSObject)
43 :
44 : NEVER_READ_ONLY_SPACE_IMPL(JSReceiver)
45 :
46 : CAST_ACCESSOR(JSAsyncFromSyncIterator)
47 : CAST_ACCESSOR(JSBoundFunction)
48 : CAST_ACCESSOR(JSDate)
49 : CAST_ACCESSOR(JSFunction)
50 : CAST_ACCESSOR(JSGlobalObject)
51 : CAST_ACCESSOR(JSGlobalProxy)
52 : CAST_ACCESSOR(JSIteratorResult)
53 : CAST_ACCESSOR(JSMessageObject)
54 : CAST_ACCESSOR(JSObject)
55 : CAST_ACCESSOR(JSReceiver)
56 : CAST_ACCESSOR(JSStringIterator)
57 : CAST_ACCESSOR(JSValue)
58 :
59 10785821 : MaybeHandle<Object> JSReceiver::GetProperty(Isolate* isolate,
60 : Handle<JSReceiver> receiver,
61 : Handle<Name> name) {
62 10785821 : LookupIterator it(isolate, receiver, name, receiver);
63 17300604 : if (!it.IsFound()) return it.factory()->undefined_value();
64 4271040 : return Object::GetProperty(&it);
65 : }
66 :
67 50331939 : MaybeHandle<Object> JSReceiver::GetElement(Isolate* isolate,
68 : Handle<JSReceiver> receiver,
69 : uint32_t index) {
70 : LookupIterator it(isolate, receiver, index, receiver);
71 99896526 : if (!it.IsFound()) return it.factory()->undefined_value();
72 767352 : return Object::GetProperty(&it);
73 : }
74 :
75 5700990 : Handle<Object> JSReceiver::GetDataProperty(Handle<JSReceiver> object,
76 : Handle<Name> name) {
77 : LookupIterator it(object, name, object,
78 : LookupIterator::PROTOTYPE_CHAIN_SKIP_INTERCEPTOR);
79 8041733 : if (!it.IsFound()) return it.factory()->undefined_value();
80 3360247 : return GetDataProperty(&it);
81 : }
82 :
83 3271692 : MaybeHandle<Object> JSReceiver::GetPrototype(Isolate* isolate,
84 : Handle<JSReceiver> receiver) {
85 : // We don't expect access checks to be needed on JSProxy objects.
86 : DCHECK(!receiver->IsAccessCheckNeeded() || receiver->IsJSObject());
87 : PrototypeIterator iter(isolate, receiver, kStartAtReceiver,
88 : PrototypeIterator::END_AT_NON_HIDDEN);
89 3237791 : do {
90 3278327 : if (!iter.AdvanceFollowingProxies()) return MaybeHandle<Object>();
91 : } while (!iter.IsAtEnd());
92 3231156 : return PrototypeIterator::GetCurrent(iter);
93 : }
94 :
95 291269 : MaybeHandle<Object> JSReceiver::GetProperty(Isolate* isolate,
96 : Handle<JSReceiver> receiver,
97 : const char* name) {
98 291269 : Handle<String> str = isolate->factory()->InternalizeUtf8String(name);
99 291269 : return GetProperty(isolate, receiver, str);
100 : }
101 :
102 : // static
103 972 : V8_WARN_UNUSED_RESULT MaybeHandle<FixedArray> JSReceiver::OwnPropertyKeys(
104 : Handle<JSReceiver> object) {
105 : return KeyAccumulator::GetKeys(object, KeyCollectionMode::kOwnOnly,
106 : ALL_PROPERTIES,
107 1663 : GetKeysConversion::kConvertToString);
108 : }
109 :
110 1828796 : bool JSObject::PrototypeHasNoElements(Isolate* isolate, JSObject object) {
111 : DisallowHeapAllocation no_gc;
112 : HeapObject prototype = HeapObject::cast(object->map()->prototype());
113 : ReadOnlyRoots roots(isolate);
114 : HeapObject null = roots.null_value();
115 : FixedArrayBase empty_fixed_array = roots.empty_fixed_array();
116 : FixedArrayBase empty_slow_element_dictionary =
117 : roots.empty_slow_element_dictionary();
118 10901594 : while (prototype != null) {
119 : Map map = prototype->map();
120 4547373 : if (map->IsCustomElementsReceiverMap()) return false;
121 : FixedArrayBase elements = JSObject::cast(prototype)->elements();
122 4544882 : if (elements != empty_fixed_array &&
123 : elements != empty_slow_element_dictionary) {
124 : return false;
125 : }
126 : prototype = HeapObject::cast(map->prototype());
127 : }
128 : return true;
129 : }
130 :
131 574538961 : ACCESSORS(JSReceiver, raw_properties_or_hash, Object, kPropertiesOrHashOffset)
132 :
133 131452 : FixedArrayBase JSObject::elements() const {
134 698175926 : Object array = READ_FIELD(*this, kElementsOffset);
135 131452 : return FixedArrayBase::cast(array);
136 : }
137 :
138 90695 : void JSObject::EnsureCanContainHeapObjectElements(Handle<JSObject> object) {
139 90695 : JSObject::ValidateElements(*object);
140 : ElementsKind elements_kind = object->map()->elements_kind();
141 90695 : if (!IsObjectElementsKind(elements_kind)) {
142 0 : if (IsHoleyElementsKind(elements_kind)) {
143 0 : TransitionElementsKind(object, HOLEY_ELEMENTS);
144 : } else {
145 0 : TransitionElementsKind(object, PACKED_ELEMENTS);
146 : }
147 : }
148 90695 : }
149 :
150 : template <typename TSlot>
151 535903 : void JSObject::EnsureCanContainElements(Handle<JSObject> object, TSlot objects,
152 : uint32_t count,
153 : EnsureElementsMode mode) {
154 : static_assert(std::is_same<TSlot, FullObjectSlot>::value ||
155 : std::is_same<TSlot, ObjectSlot>::value,
156 : "Only ObjectSlot and FullObjectSlot are expected here");
157 535903 : ElementsKind current_kind = object->GetElementsKind();
158 : ElementsKind target_kind = current_kind;
159 : {
160 : DisallowHeapAllocation no_allocation;
161 : DCHECK(mode != ALLOW_COPIED_DOUBLE_ELEMENTS);
162 : bool is_holey = IsHoleyElementsKind(current_kind);
163 535903 : if (current_kind == HOLEY_ELEMENTS) return;
164 : Object the_hole = object->GetReadOnlyRoots().the_hole_value();
165 29463589 : for (uint32_t i = 0; i < count; ++i, ++objects) {
166 : Object current = *objects;
167 14463855 : if (current == the_hole) {
168 : is_holey = true;
169 : target_kind = GetHoleyElementsKind(target_kind);
170 12972931 : } else if (!current->IsSmi()) {
171 10356945 : if (mode == ALLOW_CONVERTED_DOUBLE_ELEMENTS && current->IsNumber()) {
172 1734444 : if (IsSmiElementsKind(target_kind)) {
173 217 : if (is_holey) {
174 : target_kind = HOLEY_DOUBLE_ELEMENTS;
175 : } else {
176 : target_kind = PACKED_DOUBLE_ELEMENTS;
177 : }
178 : }
179 3625902 : } else if (is_holey) {
180 : target_kind = HOLEY_ELEMENTS;
181 : break;
182 : } else {
183 : target_kind = PACKED_ELEMENTS;
184 : }
185 : }
186 : }
187 : }
188 535879 : if (target_kind != current_kind) {
189 94812 : TransitionElementsKind(object, target_kind);
190 : }
191 : }
192 :
193 93626 : void JSObject::EnsureCanContainElements(Handle<JSObject> object,
194 : Handle<FixedArrayBase> elements,
195 : uint32_t length,
196 : EnsureElementsMode mode) {
197 : ReadOnlyRoots roots = object->GetReadOnlyRoots();
198 93626 : if (elements->map() != roots.fixed_double_array_map()) {
199 : DCHECK(elements->map() == roots.fixed_array_map() ||
200 : elements->map() == roots.fixed_cow_array_map());
201 93626 : if (mode == ALLOW_COPIED_DOUBLE_ELEMENTS) {
202 : mode = DONT_ALLOW_DOUBLE_ELEMENTS;
203 : }
204 : ObjectSlot objects =
205 93626 : Handle<FixedArray>::cast(elements)->GetFirstElementAddress();
206 93626 : EnsureCanContainElements(object, objects, length, mode);
207 : return;
208 : }
209 :
210 : DCHECK(mode == ALLOW_COPIED_DOUBLE_ELEMENTS);
211 0 : if (object->GetElementsKind() == HOLEY_SMI_ELEMENTS) {
212 0 : TransitionElementsKind(object, HOLEY_DOUBLE_ELEMENTS);
213 0 : } else if (object->GetElementsKind() == PACKED_SMI_ELEMENTS) {
214 : Handle<FixedDoubleArray> double_array =
215 : Handle<FixedDoubleArray>::cast(elements);
216 0 : for (uint32_t i = 0; i < length; ++i) {
217 0 : if (double_array->is_the_hole(i)) {
218 0 : TransitionElementsKind(object, HOLEY_DOUBLE_ELEMENTS);
219 : return;
220 : }
221 : }
222 0 : TransitionElementsKind(object, PACKED_DOUBLE_ELEMENTS);
223 : }
224 : }
225 :
226 726356 : void JSObject::SetMapAndElements(Handle<JSObject> object, Handle<Map> new_map,
227 : Handle<FixedArrayBase> value) {
228 726356 : JSObject::MigrateToMap(object, new_map);
229 : DCHECK((object->map()->has_fast_smi_or_object_elements() ||
230 : (*value == object->GetReadOnlyRoots().empty_fixed_array()) ||
231 : object->map()->has_fast_string_wrapper_elements()) ==
232 : (value->map() == object->GetReadOnlyRoots().fixed_array_map() ||
233 : value->map() == object->GetReadOnlyRoots().fixed_cow_array_map()));
234 : DCHECK((*value == object->GetReadOnlyRoots().empty_fixed_array()) ||
235 : (object->map()->has_fast_double_elements() ==
236 : value->IsFixedDoubleArray()));
237 726356 : object->set_elements(*value);
238 726356 : }
239 :
240 6215046 : void JSObject::set_elements(FixedArrayBase value, WriteBarrierMode mode) {
241 7574694 : WRITE_FIELD(*this, kElementsOffset, value);
242 12430093 : CONDITIONAL_WRITE_BARRIER(*this, kElementsOffset, value, mode);
243 6215045 : }
244 :
245 39512896 : void JSObject::initialize_elements() {
246 39512896 : FixedArrayBase elements = map()->GetInitialElements();
247 39512907 : WRITE_FIELD(*this, kElementsOffset, elements);
248 39512907 : }
249 :
250 668103 : InterceptorInfo JSObject::GetIndexedInterceptor() {
251 668103 : return map()->GetIndexedInterceptor();
252 : }
253 :
254 1626139 : InterceptorInfo JSObject::GetNamedInterceptor() {
255 1626139 : return map()->GetNamedInterceptor();
256 : }
257 :
258 : int JSObject::GetHeaderSize() const { return GetHeaderSize(map()); }
259 :
260 112125860 : int JSObject::GetHeaderSize(const Map map) {
261 : // Check for the most common kind of JavaScript object before
262 : // falling into the generic switch. This speeds up the internal
263 : // field operations considerably on average.
264 : InstanceType instance_type = map->instance_type();
265 : return instance_type == JS_OBJECT_TYPE
266 : ? JSObject::kHeaderSize
267 191248009 : : GetHeaderSize(instance_type, map->has_prototype_slot());
268 : }
269 :
270 : // static
271 : int JSObject::GetEmbedderFieldsStartOffset(const Map map) {
272 : // Embedder fields are located after the object header.
273 28364076 : return GetHeaderSize(map);
274 : }
275 :
276 2069481 : int JSObject::GetEmbedderFieldsStartOffset() {
277 2069515 : return GetEmbedderFieldsStartOffset(map());
278 : }
279 :
280 : // static
281 26294555 : int JSObject::GetEmbedderFieldCount(const Map map) {
282 : int instance_size = map->instance_size();
283 26294555 : if (instance_size == kVariableSizeSentinel) return 0;
284 : // Embedder fields are located after the object header, whereas in-object
285 : // properties are located at the end of the object. We don't have to round up
286 : // the header size here because division by kEmbedderDataSlotSizeInTaggedSlots
287 : // will swallow potential padding in case of (kTaggedSize !=
288 : // kSystemPointerSize) anyway.
289 26294576 : return (((instance_size - GetEmbedderFieldsStartOffset(map)) >>
290 26294572 : kTaggedSizeLog2) -
291 26294576 : map->GetInObjectProperties()) /
292 26294572 : kEmbedderDataSlotSizeInTaggedSlots;
293 : }
294 :
295 700374 : int JSObject::GetEmbedderFieldCount() const {
296 700374 : return GetEmbedderFieldCount(map());
297 : }
298 :
299 2067273 : int JSObject::GetEmbedderFieldOffset(int index) {
300 : DCHECK_LT(static_cast<unsigned>(index),
301 : static_cast<unsigned>(GetEmbedderFieldCount()));
302 2069481 : return GetEmbedderFieldsStartOffset() + (kEmbedderDataSlotSize * index);
303 : }
304 :
305 1032642 : Object JSObject::GetEmbedderField(int index) {
306 1032640 : return EmbedderDataSlot(*this, index).load_tagged();
307 : }
308 :
309 1034555 : void JSObject::SetEmbedderField(int index, Object value) {
310 : EmbedderDataSlot::store_tagged(*this, index, value);
311 1034604 : }
312 :
313 : void JSObject::SetEmbedderField(int index, Smi value) {
314 : EmbedderDataSlot(*this, index).store_smi(value);
315 : }
316 :
317 : bool JSObject::IsUnboxedDoubleField(FieldIndex index) {
318 : if (!FLAG_unbox_double_fields) return false;
319 : return map()->IsUnboxedDoubleField(index);
320 : }
321 :
322 : // Access fast-case object properties at index. The use of these routines
323 : // is needed to correctly distinguish between properties stored in-object and
324 : // properties stored in the properties array.
325 93730780 : Object JSObject::RawFastPropertyAt(FieldIndex index) {
326 : DCHECK(!IsUnboxedDoubleField(index));
327 93730780 : if (index.is_inobject()) {
328 12923961 : return READ_FIELD(*this, index.offset());
329 : } else {
330 161613638 : return property_array()->get(index.outobject_array_index());
331 : }
332 : }
333 :
334 : double JSObject::RawFastDoublePropertyAt(FieldIndex index) {
335 : DCHECK(IsUnboxedDoubleField(index));
336 0 : return READ_DOUBLE_FIELD(*this, index.offset());
337 : }
338 :
339 : uint64_t JSObject::RawFastDoublePropertyAsBitsAt(FieldIndex index) {
340 : DCHECK(IsUnboxedDoubleField(index));
341 : return READ_UINT64_FIELD(*this, index.offset());
342 : }
343 :
344 100135620 : void JSObject::RawFastPropertyAtPut(FieldIndex index, Object value) {
345 100135620 : if (index.is_inobject()) {
346 : int offset = index.offset();
347 80682765 : WRITE_FIELD(*this, offset, value);
348 80682765 : WRITE_BARRIER(*this, offset, value);
349 : } else {
350 19452855 : property_array()->set(index.outobject_array_index(), value);
351 : }
352 100135611 : }
353 :
354 : void JSObject::RawFastDoublePropertyAsBitsAtPut(FieldIndex index,
355 : uint64_t bits) {
356 : // Double unboxing is enabled only on 64-bit platforms without pointer
357 : // compression.
358 : DCHECK_EQ(kDoubleSize, kTaggedSize);
359 : Address field_addr = FIELD_ADDR(*this, index.offset());
360 : base::Relaxed_Store(reinterpret_cast<base::AtomicWord*>(field_addr),
361 : static_cast<base::AtomicWord>(bits));
362 : }
363 :
364 : void JSObject::FastPropertyAtPut(FieldIndex index, Object value) {
365 : if (IsUnboxedDoubleField(index)) {
366 : DCHECK(value->IsMutableHeapNumber());
367 : // Ensure that all bits of the double value are preserved.
368 : RawFastDoublePropertyAsBitsAtPut(
369 : index, MutableHeapNumber::cast(value)->value_as_bits());
370 : } else {
371 363834 : RawFastPropertyAtPut(index, value);
372 : }
373 : }
374 :
375 56882411 : void JSObject::WriteToField(int descriptor, PropertyDetails details,
376 : Object value) {
377 : DCHECK_EQ(kField, details.location());
378 : DCHECK_EQ(kData, details.kind());
379 : DisallowHeapAllocation no_gc;
380 56882411 : FieldIndex index = FieldIndex::ForDescriptor(map(), descriptor);
381 56882433 : if (details.representation().IsDouble()) {
382 : // Nothing more to be done.
383 50242 : if (value->IsUninitialized()) {
384 1267 : return;
385 : }
386 : // Manipulating the signaling NaN used for the hole and uninitialized
387 : // double field sentinel in C++, e.g. with bit_cast or value()/set_value(),
388 : // will change its value on ia32 (the x87 stack is used to return values
389 : // and stores to the stack silently clear the signalling bit).
390 : uint64_t bits;
391 48975 : if (value->IsSmi()) {
392 6374 : bits = bit_cast<uint64_t>(static_cast<double>(Smi::ToInt(value)));
393 : } else {
394 : DCHECK(value->IsHeapNumber());
395 : bits = HeapNumber::cast(value)->value_as_bits();
396 : }
397 : if (IsUnboxedDoubleField(index)) {
398 : RawFastDoublePropertyAsBitsAtPut(index, bits);
399 : } else {
400 48975 : auto box = MutableHeapNumber::cast(RawFastPropertyAt(index));
401 : box->set_value_as_bits(bits);
402 : }
403 : } else {
404 56832191 : RawFastPropertyAtPut(index, value);
405 : }
406 : }
407 :
408 554670 : int JSObject::GetInObjectPropertyOffset(int index) {
409 554670 : return map()->GetInObjectPropertyOffset(index);
410 : }
411 :
412 0 : Object JSObject::InObjectPropertyAt(int index) {
413 0 : int offset = GetInObjectPropertyOffset(index);
414 0 : return READ_FIELD(*this, offset);
415 : }
416 :
417 554670 : Object JSObject::InObjectPropertyAtPut(int index, Object value,
418 : WriteBarrierMode mode) {
419 : // Adjust for the number of properties stored in the object.
420 554670 : int offset = GetInObjectPropertyOffset(index);
421 554670 : WRITE_FIELD(*this, offset, value);
422 652349 : CONDITIONAL_WRITE_BARRIER(*this, offset, value, mode);
423 554670 : return value;
424 : }
425 :
426 21023717 : void JSObject::InitializeBody(Map map, int start_offset,
427 : Object pre_allocated_value, Object filler_value) {
428 : DCHECK_IMPLIES(filler_value->IsHeapObject(),
429 : !ObjectInYoungGeneration(filler_value));
430 : DCHECK_IMPLIES(pre_allocated_value->IsHeapObject(),
431 : !ObjectInYoungGeneration(pre_allocated_value));
432 : int size = map->instance_size();
433 : int offset = start_offset;
434 21023717 : if (filler_value != pre_allocated_value) {
435 : int end_of_pre_allocated_offset =
436 230087 : size - (map->UnusedPropertyFields() * kTaggedSize);
437 : DCHECK_LE(kHeaderSize, end_of_pre_allocated_offset);
438 534755 : while (offset < end_of_pre_allocated_offset) {
439 152334 : WRITE_FIELD(*this, offset, pre_allocated_value);
440 152334 : offset += kTaggedSize;
441 : }
442 : }
443 296518767 : while (offset < size) {
444 137747525 : WRITE_FIELD(*this, offset, filler_value);
445 137747525 : offset += kTaggedSize;
446 : }
447 21023717 : }
448 :
449 : Object JSBoundFunction::raw_bound_target_function() const {
450 : return READ_FIELD(*this, kBoundTargetFunctionOffset);
451 : }
452 :
453 5782 : ACCESSORS(JSBoundFunction, bound_target_function, JSReceiver,
454 : kBoundTargetFunctionOffset)
455 3215 : ACCESSORS(JSBoundFunction, bound_this, Object, kBoundThisOffset)
456 3964 : ACCESSORS(JSBoundFunction, bound_arguments, FixedArray, kBoundArgumentsOffset)
457 :
458 180026451 : ACCESSORS(JSFunction, raw_feedback_cell, FeedbackCell, kFeedbackCellOffset)
459 :
460 18157192 : ACCESSORS(JSGlobalObject, native_context, NativeContext, kNativeContextOffset)
461 500139 : ACCESSORS(JSGlobalObject, global_proxy, JSGlobalProxy, kGlobalProxyOffset)
462 :
463 6491224 : ACCESSORS(JSGlobalProxy, native_context, Object, kNativeContextOffset)
464 :
465 11963086 : FeedbackVector JSFunction::feedback_vector() const {
466 : DCHECK(has_feedback_vector());
467 11963086 : return FeedbackVector::cast(raw_feedback_cell()->value());
468 : }
469 :
470 3082423 : FixedArray JSFunction::closure_feedback_cell_array() const {
471 : DCHECK(has_closure_feedback_cell_array());
472 3082423 : return FixedArray::cast(raw_feedback_cell()->value());
473 : }
474 :
475 : // Code objects that are marked for deoptimization are not considered to be
476 : // optimized. This is because the JSFunction might have been already
477 : // deoptimized but its code() still needs to be unlinked, which will happen on
478 : // its next activation.
479 : // TODO(jupvfranco): rename this function. Maybe RunOptimizedCode,
480 : // or IsValidOptimizedCode.
481 3882725 : bool JSFunction::IsOptimized() {
482 8231231 : return is_compiled() && code()->kind() == Code::OPTIMIZED_FUNCTION &&
483 4526214 : !code()->marked_for_deoptimization();
484 : }
485 :
486 625619 : bool JSFunction::HasOptimizedCode() {
487 1248190 : return IsOptimized() ||
488 1868299 : (has_feedback_vector() && feedback_vector()->has_optimized_code() &&
489 626268 : !feedback_vector()->optimized_code()->marked_for_deoptimization());
490 : }
491 :
492 488804 : bool JSFunction::HasOptimizationMarker() {
493 488804 : return has_feedback_vector() && feedback_vector()->has_optimization_marker();
494 : }
495 :
496 : void JSFunction::ClearOptimizationMarker() {
497 : DCHECK(has_feedback_vector());
498 335317 : feedback_vector()->ClearOptimizationMarker();
499 : }
500 :
501 : // Optimized code marked for deoptimization will tier back down to running
502 : // interpreted on its next activation, and already doesn't count as IsOptimized.
503 6104 : bool JSFunction::IsInterpreted() {
504 17694 : return is_compiled() && (code()->is_interpreter_trampoline_builtin() ||
505 5504 : (code()->kind() == Code::OPTIMIZED_FUNCTION &&
506 11608 : code()->marked_for_deoptimization()));
507 : }
508 :
509 : bool JSFunction::ChecksOptimizationMarker() {
510 : return code()->checks_optimization_marker();
511 : }
512 :
513 158492 : bool JSFunction::IsMarkedForOptimization() {
514 316976 : return has_feedback_vector() && feedback_vector()->optimization_marker() ==
515 158492 : OptimizationMarker::kCompileOptimized;
516 : }
517 :
518 150893 : bool JSFunction::IsMarkedForConcurrentOptimization() {
519 301786 : return has_feedback_vector() &&
520 150893 : feedback_vector()->optimization_marker() ==
521 150893 : OptimizationMarker::kCompileOptimizedConcurrent;
522 : }
523 :
524 199324 : bool JSFunction::IsInOptimizationQueue() {
525 398624 : return has_feedback_vector() && feedback_vector()->optimization_marker() ==
526 199324 : OptimizationMarker::kInOptimizationQueue;
527 : }
528 :
529 309921 : void JSFunction::CompleteInobjectSlackTrackingIfActive() {
530 309921 : if (!has_prototype_slot()) return;
531 324129 : if (has_initial_map() && initial_map()->IsInobjectSlackTrackingInProgress()) {
532 115309 : initial_map()->CompleteInobjectSlackTracking(GetIsolate());
533 : }
534 : }
535 :
536 199 : AbstractCode JSFunction::abstract_code() {
537 199 : if (IsInterpreted()) {
538 146 : return AbstractCode::cast(shared()->GetBytecodeArray());
539 : } else {
540 : return AbstractCode::cast(code());
541 : }
542 : }
543 :
544 982782 : Code JSFunction::code() const {
545 28638260 : return Code::cast(RELAXED_READ_FIELD(*this, kCodeOffset));
546 : }
547 :
548 17178290 : void JSFunction::set_code(Code value) {
549 : DCHECK(!ObjectInYoungGeneration(value));
550 17178290 : RELAXED_WRITE_FIELD(*this, kCodeOffset, value);
551 17178290 : MarkingBarrier(*this, RawField(kCodeOffset), value);
552 17178306 : }
553 :
554 : void JSFunction::set_code_no_write_barrier(Code value) {
555 : DCHECK(!ObjectInYoungGeneration(value));
556 : RELAXED_WRITE_FIELD(*this, kCodeOffset, value);
557 : }
558 :
559 1603598 : SharedFunctionInfo JSFunction::shared() const {
560 : return SharedFunctionInfo::cast(
561 366805687 : RELAXED_READ_FIELD(*this, kSharedFunctionInfoOffset));
562 : }
563 :
564 15477415 : void JSFunction::set_shared(SharedFunctionInfo value, WriteBarrierMode mode) {
565 : // Release semantics to support acquire read in NeedsResetDueToFlushedBytecode
566 15477415 : RELEASE_WRITE_FIELD(*this, kSharedFunctionInfoOffset, value);
567 30954833 : CONDITIONAL_WRITE_BARRIER(*this, kSharedFunctionInfoOffset, value, mode);
568 15477416 : }
569 :
570 : void JSFunction::ClearOptimizedCodeSlot(const char* reason) {
571 : if (has_feedback_vector() && feedback_vector()->has_optimized_code()) {
572 : if (FLAG_trace_opt) {
573 : PrintF("[evicting entry from optimizing code feedback slot (%s) for ",
574 : reason);
575 : ShortPrint();
576 : PrintF("]\n");
577 : }
578 : feedback_vector()->ClearOptimizedCode();
579 : }
580 : }
581 :
582 : void JSFunction::SetOptimizationMarker(OptimizationMarker marker) {
583 : DCHECK(has_feedback_vector());
584 : DCHECK(ChecksOptimizationMarker());
585 : DCHECK(!HasOptimizedCode());
586 :
587 500590 : feedback_vector()->SetOptimizationMarker(marker);
588 : }
589 :
590 28128307 : bool JSFunction::has_feedback_vector() const {
591 84384147 : return shared()->is_compiled() &&
592 43063667 : !raw_feedback_cell()->value()->IsUndefined() &&
593 28128377 : raw_feedback_cell()->value()->IsFeedbackVector();
594 : }
595 :
596 3082418 : bool JSFunction::has_closure_feedback_cell_array() const {
597 9247270 : return shared()->is_compiled() &&
598 3082425 : !raw_feedback_cell()->value()->IsUndefined() &&
599 3082425 : raw_feedback_cell()->value()->IsFixedArray();
600 : }
601 :
602 : Context JSFunction::context() {
603 26334966 : return Context::cast(READ_FIELD(*this, kContextOffset));
604 : }
605 :
606 408261 : bool JSFunction::has_context() const {
607 816522 : return READ_FIELD(*this, kContextOffset)->IsContext();
608 : }
609 :
610 2181738 : JSGlobalProxy JSFunction::global_proxy() { return context()->global_proxy(); }
611 :
612 8038498 : NativeContext JSFunction::native_context() {
613 8038498 : return context()->native_context();
614 : }
615 :
616 15477171 : void JSFunction::set_context(Object value) {
617 : DCHECK(value->IsUndefined() || value->IsContext());
618 15477171 : WRITE_FIELD(*this, kContextOffset, value);
619 15477171 : WRITE_BARRIER(*this, kContextOffset, value);
620 15477170 : }
621 :
622 163275068 : ACCESSORS_CHECKED(JSFunction, prototype_or_initial_map, Object,
623 : kPrototypeOrInitialMapOffset, map()->has_prototype_slot())
624 :
625 23707982 : bool JSFunction::has_prototype_slot() const {
626 23707982 : return map()->has_prototype_slot();
627 : }
628 :
629 : Map JSFunction::initial_map() { return Map::cast(prototype_or_initial_map()); }
630 :
631 41902197 : bool JSFunction::has_initial_map() {
632 : DCHECK(has_prototype_slot());
633 41902211 : return prototype_or_initial_map()->IsMap();
634 : }
635 :
636 6835701 : bool JSFunction::has_instance_prototype() {
637 : DCHECK(has_prototype_slot());
638 7606443 : return has_initial_map() || !prototype_or_initial_map()->IsTheHole();
639 : }
640 :
641 6546375 : bool JSFunction::has_prototype() {
642 : DCHECK(has_prototype_slot());
643 6546375 : return map()->has_non_instance_prototype() || has_instance_prototype();
644 : }
645 :
646 7512867 : bool JSFunction::has_prototype_property() {
647 15027274 : return (has_prototype_slot() && IsConstructor()) ||
648 7512875 : IsGeneratorFunction(shared()->kind());
649 : }
650 :
651 7512867 : bool JSFunction::PrototypeRequiresRuntimeLookup() {
652 13988440 : return !has_prototype_property() || map()->has_non_instance_prototype();
653 : }
654 :
655 5257507 : Object JSFunction::instance_prototype() {
656 : DCHECK(has_instance_prototype());
657 5257507 : if (has_initial_map()) return initial_map()->prototype();
658 : // When there is no initial map and the prototype is a JSReceiver, the
659 : // initial map field is used for the prototype field.
660 : return prototype_or_initial_map();
661 : }
662 :
663 4343573 : Object JSFunction::prototype() {
664 : DCHECK(has_prototype());
665 : // If the function's prototype property has been set to a non-JSReceiver
666 : // value, that value is stored in the constructor field of the map.
667 4343573 : if (map()->has_non_instance_prototype()) {
668 13406 : Object prototype = map()->GetConstructor();
669 : // The map must have a prototype in that field, not a back pointer.
670 : DCHECK(!prototype->IsMap());
671 : DCHECK(!prototype->IsFunctionTemplateInfo());
672 13406 : return prototype;
673 : }
674 4330167 : return instance_prototype();
675 : }
676 :
677 4550942 : bool JSFunction::is_compiled() const {
678 8787314 : return code()->builtin_index() != Builtins::kCompileLazy &&
679 8787314 : shared()->is_compiled();
680 : }
681 :
682 61003255 : bool JSFunction::NeedsResetDueToFlushedBytecode() {
683 61003255 : if (!FLAG_flush_bytecode) return false;
684 :
685 : // Do a raw read for shared and code fields here since this function may be
686 : // called on a concurrent thread and the JSFunction might not be fully
687 : // initialized yet.
688 122173902 : Object maybe_shared = ACQUIRE_READ_FIELD(*this, kSharedFunctionInfoOffset);
689 121919342 : Object maybe_code = RELAXED_READ_FIELD(*this, kCodeOffset);
690 :
691 121565401 : if (!maybe_shared->IsSharedFunctionInfo() || !maybe_code->IsCode()) {
692 : return false;
693 : }
694 :
695 60684190 : SharedFunctionInfo shared = SharedFunctionInfo::cast(maybe_shared);
696 : Code code = Code::cast(maybe_code);
697 65768124 : return !shared->is_compiled() &&
698 : code->builtin_index() != Builtins::kCompileLazy;
699 : }
700 :
701 1537227 : void JSFunction::ResetIfBytecodeFlushed() {
702 1537227 : if (NeedsResetDueToFlushedBytecode()) {
703 : // Bytecode was flushed and function is now uncompiled, reset JSFunction
704 : // by setting code to CompileLazy and clearing the feedback vector.
705 8352 : set_code(GetIsolate()->builtins()->builtin(i::Builtins::kCompileLazy));
706 16704 : raw_feedback_cell()->set_value(
707 25056 : ReadOnlyRoots(GetIsolate()).undefined_value());
708 : }
709 1537226 : }
710 :
711 574114 : ACCESSORS(JSValue, value, Object, kValueOffset)
712 :
713 872182 : ACCESSORS(JSDate, value, Object, kValueOffset)
714 167496 : ACCESSORS(JSDate, cache_stamp, Object, kCacheStampOffset)
715 12429 : ACCESSORS(JSDate, year, Object, kYearOffset)
716 11781 : ACCESSORS(JSDate, month, Object, kMonthOffset)
717 11610 : ACCESSORS(JSDate, day, Object, kDayOffset)
718 11538 : ACCESSORS(JSDate, weekday, Object, kWeekdayOffset)
719 14688 : ACCESSORS(JSDate, hour, Object, kHourOffset)
720 12384 : ACCESSORS(JSDate, min, Object, kMinOffset)
721 11763 : ACCESSORS(JSDate, sec, Object, kSecOffset)
722 :
723 : MessageTemplate JSMessageObject::type() const {
724 4236 : Object value = READ_FIELD(*this, kTypeOffset);
725 : return MessageTemplateFromInt(Smi::ToInt(value));
726 : }
727 : void JSMessageObject::set_type(MessageTemplate value) {
728 1359648 : WRITE_FIELD(*this, kTypeOffset, Smi::FromInt(static_cast<int>(value)));
729 : }
730 6834801 : ACCESSORS(JSMessageObject, argument, Object, kArgumentsOffset)
731 6852774 : ACCESSORS(JSMessageObject, script, Script, kScriptOffset)
732 6800339 : ACCESSORS(JSMessageObject, stack_frames, Object, kStackFramesOffset)
733 1428875 : SMI_ACCESSORS(JSMessageObject, start_position, kStartPositionOffset)
734 1374071 : SMI_ACCESSORS(JSMessageObject, end_position, kEndPositionOffset)
735 1384560 : SMI_ACCESSORS(JSMessageObject, error_level, kErrorLevelOffset)
736 :
737 336875519 : ElementsKind JSObject::GetElementsKind() const {
738 : ElementsKind kind = map()->elements_kind();
739 : #if VERIFY_HEAP && DEBUG
740 : FixedArrayBase fixed_array =
741 : FixedArrayBase::unchecked_cast(READ_FIELD(*this, kElementsOffset));
742 :
743 : // If a GC was caused while constructing this object, the elements
744 : // pointer may point to a one pointer filler map.
745 : if (ElementsAreSafeToExamine()) {
746 : Map map = fixed_array->map();
747 : if (IsSmiOrObjectElementsKind(kind)) {
748 : DCHECK(map == GetReadOnlyRoots().fixed_array_map() ||
749 : map == GetReadOnlyRoots().fixed_cow_array_map());
750 : } else if (IsDoubleElementsKind(kind)) {
751 : DCHECK(fixed_array->IsFixedDoubleArray() ||
752 : fixed_array == GetReadOnlyRoots().empty_fixed_array());
753 : } else if (kind == DICTIONARY_ELEMENTS) {
754 : DCHECK(fixed_array->IsFixedArray());
755 : DCHECK(fixed_array->IsDictionary());
756 : } else {
757 : DCHECK(kind > DICTIONARY_ELEMENTS);
758 : }
759 : DCHECK(!IsSloppyArgumentsElementsKind(kind) ||
760 : (elements()->IsFixedArray() && elements()->length() >= 2));
761 : }
762 : #endif
763 336875519 : return kind;
764 : }
765 :
766 1568417 : bool JSObject::HasObjectElements() {
767 3560889 : return IsObjectElementsKind(GetElementsKind());
768 : }
769 :
770 2043129 : bool JSObject::HasSmiElements() { return IsSmiElementsKind(GetElementsKind()); }
771 :
772 1350000 : bool JSObject::HasSmiOrObjectElements() {
773 2704433 : return IsSmiOrObjectElementsKind(GetElementsKind());
774 : }
775 :
776 1353067 : bool JSObject::HasDoubleElements() {
777 3375614 : return IsDoubleElementsKind(GetElementsKind());
778 : }
779 :
780 4951690 : bool JSObject::HasHoleyElements() {
781 9906071 : return IsHoleyElementsKind(GetElementsKind());
782 : }
783 :
784 90758 : bool JSObject::HasFastElements() {
785 2295465 : return IsFastElementsKind(GetElementsKind());
786 : }
787 :
788 123280 : bool JSObject::HasFastPackedElements() {
789 246560 : return IsFastPackedElementsKind(GetElementsKind());
790 : }
791 :
792 613 : bool JSObject::HasDictionaryElements() {
793 506061 : return GetElementsKind() == DICTIONARY_ELEMENTS;
794 : }
795 :
796 105 : bool JSObject::HasPackedElements() {
797 105 : return GetElementsKind() == PACKED_ELEMENTS;
798 : }
799 :
800 : bool JSObject::HasFastArgumentsElements() {
801 : return GetElementsKind() == FAST_SLOPPY_ARGUMENTS_ELEMENTS;
802 : }
803 :
804 : bool JSObject::HasSlowArgumentsElements() {
805 165080 : return GetElementsKind() == SLOW_SLOPPY_ARGUMENTS_ELEMENTS;
806 : }
807 :
808 63 : bool JSObject::HasSloppyArgumentsElements() {
809 22388205 : return IsSloppyArgumentsElementsKind(GetElementsKind());
810 : }
811 :
812 : bool JSObject::HasStringWrapperElements() {
813 125725 : return IsStringWrapperElementsKind(GetElementsKind());
814 : }
815 :
816 : bool JSObject::HasFastStringWrapperElements() {
817 1082807 : return GetElementsKind() == FAST_STRING_WRAPPER_ELEMENTS;
818 : }
819 :
820 : bool JSObject::HasSlowStringWrapperElements() {
821 236233 : return GetElementsKind() == SLOW_STRING_WRAPPER_ELEMENTS;
822 : }
823 :
824 1567796 : bool JSObject::HasFixedTypedArrayElements() {
825 : DCHECK(!elements().is_null());
826 1567796 : return map()->has_fixed_typed_array_elements();
827 : }
828 :
829 : #define FIXED_TYPED_ELEMENTS_CHECK(Type, type, TYPE, ctype) \
830 : bool JSObject::HasFixed##Type##Elements() { \
831 : FixedArrayBase array = elements(); \
832 : return array->map()->instance_type() == FIXED_##TYPE##_ARRAY_TYPE; \
833 : }
834 :
835 900 : TYPED_ARRAYS(FIXED_TYPED_ELEMENTS_CHECK)
836 :
837 : #undef FIXED_TYPED_ELEMENTS_CHECK
838 :
839 6408026 : bool JSObject::HasNamedInterceptor() { return map()->has_named_interceptor(); }
840 :
841 1229144 : bool JSObject::HasIndexedInterceptor() {
842 1229144 : return map()->has_indexed_interceptor();
843 : }
844 :
845 : void JSGlobalObject::set_global_dictionary(GlobalDictionary dictionary) {
846 : DCHECK(IsJSGlobalObject());
847 91464 : set_raw_properties_or_hash(dictionary);
848 : }
849 :
850 78887041 : GlobalDictionary JSGlobalObject::global_dictionary() {
851 : DCHECK(!HasFastProperties());
852 : DCHECK(IsJSGlobalObject());
853 78887034 : return GlobalDictionary::cast(raw_properties_or_hash());
854 : }
855 :
856 : NumberDictionary JSObject::element_dictionary() {
857 : DCHECK(HasDictionaryElements() || HasSlowStringWrapperElements());
858 : return NumberDictionary::cast(elements());
859 : }
860 :
861 15475789 : void JSReceiver::initialize_properties() {
862 : ReadOnlyRoots roots = GetReadOnlyRoots();
863 : DCHECK(!ObjectInYoungGeneration(roots.empty_fixed_array()));
864 : DCHECK(!ObjectInYoungGeneration(roots.empty_property_dictionary()));
865 15475789 : if (map()->is_dictionary_map()) {
866 29 : WRITE_FIELD(*this, kPropertiesOrHashOffset,
867 : roots.empty_property_dictionary());
868 : } else {
869 15475760 : WRITE_FIELD(*this, kPropertiesOrHashOffset, roots.empty_fixed_array());
870 : }
871 15475789 : }
872 :
873 117387819 : bool JSReceiver::HasFastProperties() const {
874 : DCHECK(
875 : raw_properties_or_hash()->IsSmi() ||
876 : (raw_properties_or_hash()->IsDictionary() == map()->is_dictionary_map()));
877 117387819 : return !map()->is_dictionary_map();
878 : }
879 :
880 9864729 : NameDictionary JSReceiver::property_dictionary() const {
881 : DCHECK(!IsJSGlobalObject());
882 : DCHECK(!HasFastProperties());
883 :
884 : Object prop = raw_properties_or_hash();
885 9864729 : if (prop->IsSmi()) {
886 : return GetReadOnlyRoots().empty_property_dictionary();
887 : }
888 :
889 : return NameDictionary::cast(prop);
890 : }
891 :
892 : // TODO(gsathya): Pass isolate directly to this function and access
893 : // the heap from this.
894 118356401 : PropertyArray JSReceiver::property_array() const {
895 : DCHECK(HasFastProperties());
896 :
897 : Object prop = raw_properties_or_hash();
898 236710791 : if (prop->IsSmi() || prop == GetReadOnlyRoots().empty_fixed_array()) {
899 : return GetReadOnlyRoots().empty_property_array();
900 : }
901 :
902 : return PropertyArray::cast(prop);
903 : }
904 :
905 108649 : Maybe<bool> JSReceiver::HasProperty(Handle<JSReceiver> object,
906 : Handle<Name> name) {
907 : LookupIterator it = LookupIterator::PropertyOrElement(object->GetIsolate(),
908 108649 : object, name, object);
909 108649 : return HasProperty(&it);
910 : }
911 :
912 7327 : Maybe<bool> JSReceiver::HasOwnProperty(Handle<JSReceiver> object,
913 : uint32_t index) {
914 7327 : if (object->IsJSModuleNamespace()) return Just(false);
915 :
916 7327 : if (object->IsJSObject()) { // Shortcut.
917 : LookupIterator it(object->GetIsolate(), object, index, object,
918 : LookupIterator::OWN);
919 7246 : return HasProperty(&it);
920 : }
921 :
922 : Maybe<PropertyAttributes> attributes =
923 81 : JSReceiver::GetOwnPropertyAttributes(object, index);
924 81 : MAYBE_RETURN(attributes, Nothing<bool>());
925 81 : return Just(attributes.FromJust() != ABSENT);
926 : }
927 :
928 6896656 : Maybe<PropertyAttributes> JSReceiver::GetPropertyAttributes(
929 : Handle<JSReceiver> object, Handle<Name> name) {
930 : LookupIterator it = LookupIterator::PropertyOrElement(object->GetIsolate(),
931 6896656 : object, name, object);
932 6896656 : return GetPropertyAttributes(&it);
933 : }
934 :
935 628175 : Maybe<PropertyAttributes> JSReceiver::GetOwnPropertyAttributes(
936 : Handle<JSReceiver> object, Handle<Name> name) {
937 : LookupIterator it = LookupIterator::PropertyOrElement(
938 628175 : object->GetIsolate(), object, name, object, LookupIterator::OWN);
939 628175 : return GetPropertyAttributes(&it);
940 : }
941 :
942 81 : Maybe<PropertyAttributes> JSReceiver::GetOwnPropertyAttributes(
943 : Handle<JSReceiver> object, uint32_t index) {
944 : LookupIterator it(object->GetIsolate(), object, index, object,
945 : LookupIterator::OWN);
946 81 : return GetPropertyAttributes(&it);
947 : }
948 :
949 1745648 : Maybe<bool> JSReceiver::HasElement(Handle<JSReceiver> object, uint32_t index) {
950 : LookupIterator it(object->GetIsolate(), object, index, object);
951 1745648 : return HasProperty(&it);
952 : }
953 :
954 : Maybe<PropertyAttributes> JSReceiver::GetElementAttributes(
955 : Handle<JSReceiver> object, uint32_t index) {
956 : Isolate* isolate = object->GetIsolate();
957 : LookupIterator it(isolate, object, index, object);
958 : return GetPropertyAttributes(&it);
959 : }
960 :
961 : Maybe<PropertyAttributes> JSReceiver::GetOwnElementAttributes(
962 : Handle<JSReceiver> object, uint32_t index) {
963 : Isolate* isolate = object->GetIsolate();
964 : LookupIterator it(isolate, object, index, object, LookupIterator::OWN);
965 : return GetPropertyAttributes(&it);
966 : }
967 :
968 : bool JSGlobalObject::IsDetached() {
969 : return global_proxy()->IsDetachedFrom(*this);
970 : }
971 :
972 495536 : bool JSGlobalProxy::IsDetachedFrom(JSGlobalObject global) const {
973 : const PrototypeIterator iter(this->GetIsolate(), *this);
974 495535 : return iter.GetCurrent() != global;
975 : }
976 :
977 : inline int JSGlobalProxy::SizeWithEmbedderFields(int embedder_field_count) {
978 : DCHECK_GE(embedder_field_count, 0);
979 90393 : return kSize + embedder_field_count * kEmbedderDataSlotSize;
980 : }
981 :
982 92373 : ACCESSORS(JSIteratorResult, value, Object, kValueOffset)
983 90855 : ACCESSORS(JSIteratorResult, done, Object, kDoneOffset)
984 :
985 1055 : ACCESSORS(JSAsyncFromSyncIterator, sync_iterator, JSReceiver,
986 : kSyncIteratorOffset)
987 1055 : ACCESSORS(JSAsyncFromSyncIterator, next, Object, kNextOffset)
988 :
989 0 : ACCESSORS(JSStringIterator, string, String, kStringOffset)
990 0 : SMI_ACCESSORS(JSStringIterator, index, kNextIndexOffset)
991 :
992 4130602 : static inline bool ShouldConvertToSlowElements(JSObject object,
993 : uint32_t capacity,
994 : uint32_t index,
995 : uint32_t* new_capacity) {
996 : STATIC_ASSERT(JSObject::kMaxUncheckedOldFastElementsLength <=
997 : JSObject::kMaxUncheckedFastElementsLength);
998 4130602 : if (index < capacity) {
999 3570336 : *new_capacity = capacity;
1000 3570336 : return false;
1001 : }
1002 560266 : if (index - capacity >= JSObject::kMaxGap) return true;
1003 617392 : *new_capacity = JSObject::NewElementsCapacity(index + 1);
1004 : DCHECK_LT(index, *new_capacity);
1005 : // TODO(ulan): Check if it works with young large objects.
1006 617392 : if (*new_capacity <= JSObject::kMaxUncheckedOldFastElementsLength ||
1007 44279 : (*new_capacity <= JSObject::kMaxUncheckedFastElementsLength &&
1008 : ObjectInYoungGeneration(object))) {
1009 : return false;
1010 : }
1011 : // If the fast-case backing storage takes up much more memory than a
1012 : // dictionary backing storage would, the object should have slow elements.
1013 2283 : int used_elements = object->GetFastElementsUsage();
1014 : uint32_t size_threshold = NumberDictionary::kPreferFastElementsSizeFactor *
1015 2283 : NumberDictionary::ComputeCapacity(used_elements) *
1016 2283 : NumberDictionary::kEntrySize;
1017 2283 : return size_threshold <= *new_capacity;
1018 : }
1019 :
1020 : } // namespace internal
1021 : } // namespace v8
1022 :
1023 : #include "src/objects/object-macros-undef.h"
1024 :
1025 : #endif // V8_OBJECTS_JS_OBJECTS_INL_H_
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