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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #include "src/arguments.h" | 7 #include "src/arguments.h" |
8 #include "src/bootstrapper.h" | 8 #include "src/bootstrapper.h" |
9 #include "src/debug.h" | 9 #include "src/debug.h" |
10 #include "src/messages.h" | 10 #include "src/messages.h" |
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450 ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, result, | 450 ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, result, |
451 JSObject::PreventExtensions(obj)); | 451 JSObject::PreventExtensions(obj)); |
452 return *result; | 452 return *result; |
453 } | 453 } |
454 | 454 |
455 | 455 |
456 RUNTIME_FUNCTION(Runtime_IsExtensible) { | 456 RUNTIME_FUNCTION(Runtime_IsExtensible) { |
457 SealHandleScope shs(isolate); | 457 SealHandleScope shs(isolate); |
458 DCHECK(args.length() == 1); | 458 DCHECK(args.length() == 1); |
459 CONVERT_ARG_CHECKED(JSObject, obj, 0); | 459 CONVERT_ARG_CHECKED(JSObject, obj, 0); |
460 if (obj->IsJSGlobalProxy()) { | 460 return isolate->heap()->ToBoolean(obj->IsExtensible()); |
461 PrototypeIterator iter(isolate, obj); | |
462 if (iter.IsAtEnd()) return isolate->heap()->false_value(); | |
463 DCHECK(iter.GetCurrent()->IsJSGlobalObject()); | |
464 obj = JSObject::cast(iter.GetCurrent()); | |
465 } | |
466 return isolate->heap()->ToBoolean(obj->map()->is_extensible()); | |
467 } | 461 } |
468 | 462 |
469 | 463 |
470 RUNTIME_FUNCTION(Runtime_DisableAccessChecks) { | 464 RUNTIME_FUNCTION(Runtime_DisableAccessChecks) { |
471 HandleScope scope(isolate); | 465 HandleScope scope(isolate); |
472 DCHECK(args.length() == 1); | 466 DCHECK(args.length() == 1); |
473 CONVERT_ARG_HANDLE_CHECKED(HeapObject, object, 0); | 467 CONVERT_ARG_HANDLE_CHECKED(HeapObject, object, 0); |
474 Handle<Map> old_map(object->map()); | 468 Handle<Map> old_map(object->map()); |
475 bool needs_access_checks = old_map->is_access_check_needed(); | 469 bool needs_access_checks = old_map->is_access_check_needed(); |
476 if (needs_access_checks) { | 470 if (needs_access_checks) { |
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1578 CONVERT_PROPERTY_ATTRIBUTES_CHECKED(attrs, 3); | 1572 CONVERT_PROPERTY_ATTRIBUTES_CHECKED(attrs, 3); |
1579 | 1573 |
1580 RETURN_FAILURE_ON_EXCEPTION( | 1574 RETURN_FAILURE_ON_EXCEPTION( |
1581 isolate, | 1575 isolate, |
1582 JSObject::DefineAccessor(object, name, isolate->factory()->null_value(), | 1576 JSObject::DefineAccessor(object, name, isolate->factory()->null_value(), |
1583 setter, attrs)); | 1577 setter, attrs)); |
1584 return isolate->heap()->undefined_value(); | 1578 return isolate->heap()->undefined_value(); |
1585 } | 1579 } |
1586 } // namespace internal | 1580 } // namespace internal |
1587 } // namespace v8 | 1581 } // namespace v8 |
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