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| 1 // Copyright 2016 the V8 project authors. All rights reserved. | 1 // Copyright 2016 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/builtins/builtins-utils.h" | 5 #include "src/builtins/builtins-utils.h" |
| 6 #include "src/builtins/builtins.h" | 6 #include "src/builtins/builtins.h" |
| 7 #include "src/code-factory.h" | 7 #include "src/code-factory.h" |
| 8 #include "src/code-stub-assembler.h" | 8 #include "src/code-stub-assembler.h" |
| 9 #include "src/counters.h" | 9 #include "src/counters.h" |
| 10 #include "src/keys.h" | 10 #include "src/keys.h" |
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| 95 if (!accessor->IsCallable()) { | 95 if (!accessor->IsCallable()) { |
| 96 MessageTemplate::Template message = | 96 MessageTemplate::Template message = |
| 97 which_accessor == ACCESSOR_GETTER | 97 which_accessor == ACCESSOR_GETTER |
| 98 ? MessageTemplate::kObjectGetterExpectingFunction | 98 ? MessageTemplate::kObjectGetterExpectingFunction |
| 99 : MessageTemplate::kObjectSetterExpectingFunction; | 99 : MessageTemplate::kObjectSetterExpectingFunction; |
| 100 THROW_NEW_ERROR_RETURN_FAILURE(isolate, NewTypeError(message)); | 100 THROW_NEW_ERROR_RETURN_FAILURE(isolate, NewTypeError(message)); |
| 101 } | 101 } |
| 102 // 3. Let desc be PropertyDescriptor{[[Get]]: getter, [[Enumerable]]: true, | 102 // 3. Let desc be PropertyDescriptor{[[Get]]: getter, [[Enumerable]]: true, |
| 103 // [[Configurable]]: true}. | 103 // [[Configurable]]: true}. |
| 104 PropertyDescriptor desc; | 104 PropertyDescriptor desc; |
| 105 |
| 105 if (which_accessor == ACCESSOR_GETTER) { | 106 if (which_accessor == ACCESSOR_GETTER) { |
| 106 desc.set_get(accessor); | 107 desc.set_get(accessor); |
| 107 } else { | 108 } else { |
| 108 DCHECK(which_accessor == ACCESSOR_SETTER); | 109 DCHECK(which_accessor == ACCESSOR_SETTER); |
| 109 desc.set_set(accessor); | 110 desc.set_set(accessor); |
| 110 } | 111 } |
| 111 desc.set_enumerable(true); | 112 desc.set_enumerable(true); |
| 112 desc.set_configurable(true); | 113 desc.set_configurable(true); |
| 113 // 4. Let key be ? ToPropertyKey(P). | 114 // 4. Let key be ? ToPropertyKey(P). |
| 114 ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, name, | 115 ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, name, |
| 115 Object::ToPropertyKey(isolate, name)); | 116 Object::ToPropertyKey(isolate, name)); |
| 116 // 5. Perform ? DefinePropertyOrThrow(O, key, desc). | 117 // 5. Perform ? DefinePropertyOrThrow(O, key, desc). |
| 117 // To preserve legacy behavior, we ignore errors silently rather than | 118 // To preserve legacy behavior, we ignore errors silently rather than |
| 118 // throwing an exception. | 119 // throwing an exception. |
| 119 Maybe<bool> success = JSReceiver::DefineOwnProperty( | 120 Maybe<bool> success = JSReceiver::DefineOwnProperty( |
| 120 isolate, receiver, name, &desc, | 121 isolate, receiver, name, &desc, |
| 121 FLAG_harmony_strict_legacy_accessor_builtins ? Object::THROW_ON_ERROR | 122 FLAG_harmony_strict_legacy_accessor_builtins ? Object::THROW_ON_ERROR |
| 122 : Object::DONT_THROW); | 123 : Object::DONT_THROW, |
| 124 CallInterceptors::kDontSkip); |
| 125 |
| 123 MAYBE_RETURN(success, isolate->heap()->exception()); | 126 MAYBE_RETURN(success, isolate->heap()->exception()); |
| 124 if (!success.FromJust()) { | 127 if (!success.FromJust()) { |
| 125 isolate->CountUsage(v8::Isolate::kDefineGetterOrSetterWouldThrow); | 128 isolate->CountUsage(v8::Isolate::kDefineGetterOrSetterWouldThrow); |
| 126 } | 129 } |
| 127 // 6. Return undefined. | 130 // 6. Return undefined. |
| 128 return isolate->heap()->undefined_value(); | 131 return isolate->heap()->undefined_value(); |
| 129 } | 132 } |
| 130 | 133 |
| 131 Object* ObjectLookupAccessor(Isolate* isolate, Handle<Object> object, | 134 Object* ObjectLookupAccessor(Isolate* isolate, Handle<Object> object, |
| 132 Handle<Object> key, AccessorComponent component) { | 135 Handle<Object> key, AccessorComponent component) { |
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| 518 if (object->IsJSReceiver()) { | 521 if (object->IsJSReceiver()) { |
| 519 MAYBE_RETURN(JSReceiver::SetIntegrityLevel(Handle<JSReceiver>::cast(object), | 522 MAYBE_RETURN(JSReceiver::SetIntegrityLevel(Handle<JSReceiver>::cast(object), |
| 520 SEALED, Object::THROW_ON_ERROR), | 523 SEALED, Object::THROW_ON_ERROR), |
| 521 isolate->heap()->exception()); | 524 isolate->heap()->exception()); |
| 522 } | 525 } |
| 523 return *object; | 526 return *object; |
| 524 } | 527 } |
| 525 | 528 |
| 526 } // namespace internal | 529 } // namespace internal |
| 527 } // namespace v8 | 530 } // namespace v8 |
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