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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/api-natives.h" | 5 #include "src/api-natives.h" |
| 6 | 6 |
| 7 #include "src/api.h" | 7 #include "src/api.h" |
| 8 #include "src/isolate-inl.h" | 8 #include "src/isolate-inl.h" |
| 9 #include "src/lookup.h" | 9 #include "src/lookup.h" |
| 10 #include "src/messages.h" | 10 #include "src/messages.h" |
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| 529 | 529 |
| 530 MaybeHandle<JSObject> ApiNatives::InstantiateRemoteObject( | 530 MaybeHandle<JSObject> ApiNatives::InstantiateRemoteObject( |
| 531 Handle<ObjectTemplateInfo> data) { | 531 Handle<ObjectTemplateInfo> data) { |
| 532 Isolate* isolate = data->GetIsolate(); | 532 Isolate* isolate = data->GetIsolate(); |
| 533 InvokeScope invoke_scope(isolate); | 533 InvokeScope invoke_scope(isolate); |
| 534 | 534 |
| 535 Handle<FunctionTemplateInfo> constructor( | 535 Handle<FunctionTemplateInfo> constructor( |
| 536 FunctionTemplateInfo::cast(data->constructor())); | 536 FunctionTemplateInfo::cast(data->constructor())); |
| 537 Handle<Map> object_map = isolate->factory()->NewMap( | 537 Handle<Map> object_map = isolate->factory()->NewMap( |
| 538 JS_SPECIAL_API_OBJECT_TYPE, | 538 JS_SPECIAL_API_OBJECT_TYPE, |
| 539 JSObject::kHeaderSize + data->internal_field_count() * kPointerSize, | 539 JSObject::kHeaderSize + data->embedder_field_count() * kPointerSize, |
| 540 FAST_HOLEY_SMI_ELEMENTS); | 540 FAST_HOLEY_SMI_ELEMENTS); |
| 541 object_map->SetConstructor(*constructor); | 541 object_map->SetConstructor(*constructor); |
| 542 object_map->set_is_access_check_needed(true); | 542 object_map->set_is_access_check_needed(true); |
| 543 | 543 |
| 544 Handle<JSObject> object = isolate->factory()->NewJSObjectFromMap(object_map); | 544 Handle<JSObject> object = isolate->factory()->NewJSObjectFromMap(object_map); |
| 545 JSObject::ForceSetPrototype(object, isolate->factory()->null_value()); | 545 JSObject::ForceSetPrototype(object, isolate->factory()->null_value()); |
| 546 | 546 |
| 547 return object; | 547 return object; |
| 548 } | 548 } |
| 549 | 549 |
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| 624 } | 624 } |
| 625 | 625 |
| 626 if (prototype->IsTheHole(isolate)) { | 626 if (prototype->IsTheHole(isolate)) { |
| 627 prototype = isolate->factory()->NewFunctionPrototype(result); | 627 prototype = isolate->factory()->NewFunctionPrototype(result); |
| 628 } else if (obj->prototype_provider_template()->IsUndefined(isolate)) { | 628 } else if (obj->prototype_provider_template()->IsUndefined(isolate)) { |
| 629 JSObject::AddProperty(Handle<JSObject>::cast(prototype), | 629 JSObject::AddProperty(Handle<JSObject>::cast(prototype), |
| 630 isolate->factory()->constructor_string(), result, | 630 isolate->factory()->constructor_string(), result, |
| 631 DONT_ENUM); | 631 DONT_ENUM); |
| 632 } | 632 } |
| 633 | 633 |
| 634 int internal_field_count = 0; | 634 int embedder_field_count = 0; |
| 635 bool immutable_proto = false; | 635 bool immutable_proto = false; |
| 636 if (!obj->instance_template()->IsUndefined(isolate)) { | 636 if (!obj->instance_template()->IsUndefined(isolate)) { |
| 637 Handle<ObjectTemplateInfo> instance_template = Handle<ObjectTemplateInfo>( | 637 Handle<ObjectTemplateInfo> instance_template = Handle<ObjectTemplateInfo>( |
| 638 ObjectTemplateInfo::cast(obj->instance_template())); | 638 ObjectTemplateInfo::cast(obj->instance_template())); |
| 639 internal_field_count = instance_template->internal_field_count(); | 639 embedder_field_count = instance_template->embedder_field_count(); |
| 640 immutable_proto = instance_template->immutable_proto(); | 640 immutable_proto = instance_template->immutable_proto(); |
| 641 } | 641 } |
| 642 | 642 |
| 643 // TODO(svenpanne) Kill ApiInstanceType and refactor things by generalizing | 643 // TODO(svenpanne) Kill ApiInstanceType and refactor things by generalizing |
| 644 // JSObject::GetHeaderSize. | 644 // JSObject::GetHeaderSize. |
| 645 int instance_size = kPointerSize * internal_field_count; | 645 int instance_size = kPointerSize * embedder_field_count; |
| 646 InstanceType type; | 646 InstanceType type; |
| 647 switch (instance_type) { | 647 switch (instance_type) { |
| 648 case JavaScriptObjectType: | 648 case JavaScriptObjectType: |
| 649 if (!obj->needs_access_check() && | 649 if (!obj->needs_access_check() && |
| 650 obj->named_property_handler()->IsUndefined(isolate) && | 650 obj->named_property_handler()->IsUndefined(isolate) && |
| 651 obj->indexed_property_handler()->IsUndefined(isolate)) { | 651 obj->indexed_property_handler()->IsUndefined(isolate)) { |
| 652 type = JS_API_OBJECT_TYPE; | 652 type = JS_API_OBJECT_TYPE; |
| 653 } else { | 653 } else { |
| 654 type = JS_SPECIAL_API_OBJECT_TYPE; | 654 type = JS_SPECIAL_API_OBJECT_TYPE; |
| 655 } | 655 } |
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| 703 map->set_is_constructor(true); | 703 map->set_is_constructor(true); |
| 704 } | 704 } |
| 705 | 705 |
| 706 if (immutable_proto) map->set_immutable_proto(true); | 706 if (immutable_proto) map->set_immutable_proto(true); |
| 707 | 707 |
| 708 return result; | 708 return result; |
| 709 } | 709 } |
| 710 | 710 |
| 711 } // namespace internal | 711 } // namespace internal |
| 712 } // namespace v8 | 712 } // namespace v8 |
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