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Issue 1757933002: Walk the hidden prototype chain in SetSuperProperty (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 4 years, 9 months ago
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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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4250 // property. 4250 // property.
4251 4251
4252 ShouldThrow should_throw = 4252 ShouldThrow should_throw =
4253 is_sloppy(language_mode) ? DONT_THROW : THROW_ON_ERROR; 4253 is_sloppy(language_mode) ? DONT_THROW : THROW_ON_ERROR;
4254 4254
4255 if (!it->GetReceiver()->IsJSReceiver()) { 4255 if (!it->GetReceiver()->IsJSReceiver()) {
4256 return WriteToReadOnlyProperty(it, value, should_throw); 4256 return WriteToReadOnlyProperty(it, value, should_throw);
4257 } 4257 }
4258 Handle<JSReceiver> receiver = Handle<JSReceiver>::cast(it->GetReceiver()); 4258 Handle<JSReceiver> receiver = Handle<JSReceiver>::cast(it->GetReceiver());
4259 4259
4260 LookupIterator::Configuration c = LookupIterator::OWN; 4260 LookupIterator::Configuration c = LookupIterator::HIDDEN;
4261 LookupIterator own_lookup = 4261 LookupIterator own_lookup =
4262 it->IsElement() ? LookupIterator(isolate, receiver, it->index(), c) 4262 it->IsElement() ? LookupIterator(isolate, receiver, it->index(), c)
4263 : LookupIterator(receiver, it->name(), c); 4263 : LookupIterator(receiver, it->name(), c);
4264 4264
4265 for (; own_lookup.IsFound(); own_lookup.Next()) { 4265 for (; own_lookup.IsFound(); own_lookup.Next()) {
4266 switch (own_lookup.state()) { 4266 switch (own_lookup.state()) {
4267 case LookupIterator::ACCESS_CHECK: 4267 case LookupIterator::ACCESS_CHECK:
4268 if (!own_lookup.HasAccess()) { 4268 if (!own_lookup.HasAccess()) {
4269 return JSObject::SetPropertyWithFailedAccessCheck(&own_lookup, value, 4269 return JSObject::SetPropertyWithFailedAccessCheck(&own_lookup, value,
4270 should_throw); 4270 should_throw);
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19769 if (cell->value() != *new_value) { 19769 if (cell->value() != *new_value) {
19770 cell->set_value(*new_value); 19770 cell->set_value(*new_value);
19771 Isolate* isolate = cell->GetIsolate(); 19771 Isolate* isolate = cell->GetIsolate();
19772 cell->dependent_code()->DeoptimizeDependentCodeGroup( 19772 cell->dependent_code()->DeoptimizeDependentCodeGroup(
19773 isolate, DependentCode::kPropertyCellChangedGroup); 19773 isolate, DependentCode::kPropertyCellChangedGroup);
19774 } 19774 }
19775 } 19775 }
19776 19776
19777 } // namespace internal 19777 } // namespace internal
19778 } // namespace v8 19778 } // namespace v8
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