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1 // Copyright 2015 the V8 project authors. All rights reserved. | 1 // Copyright 2015 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/objects.h" | 5 #include "src/objects.h" |
6 | 6 |
7 #include <cmath> | 7 #include <cmath> |
8 #include <iomanip> | 8 #include <iomanip> |
9 #include <sstream> | 9 #include <sstream> |
10 | 10 |
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8248 Handle<JSObject> object, | 8248 Handle<JSObject> object, |
8249 AllocationSiteUsageContext* site_context, | 8249 AllocationSiteUsageContext* site_context, |
8250 DeepCopyHints hints) { | 8250 DeepCopyHints hints) { |
8251 JSObjectWalkVisitor<AllocationSiteUsageContext> v(site_context, true, hints); | 8251 JSObjectWalkVisitor<AllocationSiteUsageContext> v(site_context, true, hints); |
8252 MaybeHandle<JSObject> copy = v.StructureWalk(object); | 8252 MaybeHandle<JSObject> copy = v.StructureWalk(object); |
8253 Handle<JSObject> for_assert; | 8253 Handle<JSObject> for_assert; |
8254 DCHECK(!copy.ToHandle(&for_assert) || !for_assert.is_identical_to(object)); | 8254 DCHECK(!copy.ToHandle(&for_assert) || !for_assert.is_identical_to(object)); |
8255 return copy; | 8255 return copy; |
8256 } | 8256 } |
8257 | 8257 |
8258 class DummyContextObject : public AllocationSiteContext { | |
8259 public: | |
8260 explicit DummyContextObject(Isolate* isolate) | |
8261 : AllocationSiteContext(isolate) {} | |
8262 | |
8263 bool ShouldCreateMemento(Handle<JSObject> object) { return false; } | |
8264 Handle<AllocationSite> EnterNewScope() { return Handle<AllocationSite>(); } | |
8265 void ExitScope(Handle<AllocationSite> site, Handle<JSObject> object) {} | |
8266 }; | |
8267 | |
8268 MaybeHandle<JSObject> JSObject::DeepCopy(Handle<JSObject> object, | |
8269 DeepCopyHints hints) { | |
8270 DummyContextObject dummy_context_object(object->GetIsolate()); | |
8271 JSObjectWalkVisitor<DummyContextObject> v(&dummy_context_object, true, hints); | |
8272 MaybeHandle<JSObject> copy = v.StructureWalk(object); | |
8273 Handle<JSObject> for_assert; | |
8274 DCHECK(!copy.ToHandle(&for_assert) || !for_assert.is_identical_to(object)); | |
8275 return copy; | |
8276 } | |
8277 | 8258 |
8278 // static | 8259 // static |
8279 MaybeHandle<Object> JSReceiver::ToPrimitive(Handle<JSReceiver> receiver, | 8260 MaybeHandle<Object> JSReceiver::ToPrimitive(Handle<JSReceiver> receiver, |
8280 ToPrimitiveHint hint) { | 8261 ToPrimitiveHint hint) { |
8281 Isolate* const isolate = receiver->GetIsolate(); | 8262 Isolate* const isolate = receiver->GetIsolate(); |
8282 Handle<Object> exotic_to_prim; | 8263 Handle<Object> exotic_to_prim; |
8283 ASSIGN_RETURN_ON_EXCEPTION( | 8264 ASSIGN_RETURN_ON_EXCEPTION( |
8284 isolate, exotic_to_prim, | 8265 isolate, exotic_to_prim, |
8285 GetMethod(receiver, isolate->factory()->to_primitive_symbol()), Object); | 8266 GetMethod(receiver, isolate->factory()->to_primitive_symbol()), Object); |
8286 if (!exotic_to_prim->IsUndefined()) { | 8267 if (!exotic_to_prim->IsUndefined()) { |
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19789 if (cell->value() != *new_value) { | 19770 if (cell->value() != *new_value) { |
19790 cell->set_value(*new_value); | 19771 cell->set_value(*new_value); |
19791 Isolate* isolate = cell->GetIsolate(); | 19772 Isolate* isolate = cell->GetIsolate(); |
19792 cell->dependent_code()->DeoptimizeDependentCodeGroup( | 19773 cell->dependent_code()->DeoptimizeDependentCodeGroup( |
19793 isolate, DependentCode::kPropertyCellChangedGroup); | 19774 isolate, DependentCode::kPropertyCellChangedGroup); |
19794 } | 19775 } |
19795 } | 19776 } |
19796 | 19777 |
19797 } // namespace internal | 19778 } // namespace internal |
19798 } // namespace v8 | 19779 } // namespace v8 |
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