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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 <stdlib.h> | 5 #include <stdlib.h> |
6 #include <limits> | 6 #include <limits> |
7 | 7 |
8 #include "src/v8.h" | 8 #include "src/v8.h" |
9 | 9 |
10 #include "src/isolate-inl.h" | 10 #include "src/isolate-inl.h" |
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100 isolate->factory()->NewMap(JS_OBJECT_TYPE, JSObject::kHeaderSize); | 100 isolate->factory()->NewMap(JS_OBJECT_TYPE, JSObject::kHeaderSize); |
101 map->SetPrototype(prototype_parent); | 101 map->SetPrototype(prototype_parent); |
102 map->set_constructor(*constructor); | 102 map->set_constructor(*constructor); |
103 Handle<JSObject> prototype = isolate->factory()->NewJSObjectFromMap(map); | 103 Handle<JSObject> prototype = isolate->factory()->NewJSObjectFromMap(map); |
104 | 104 |
105 Handle<String> name_string = name->IsString() | 105 Handle<String> name_string = name->IsString() |
106 ? Handle<String>::cast(name) | 106 ? Handle<String>::cast(name) |
107 : isolate->factory()->empty_string(); | 107 : isolate->factory()->empty_string(); |
108 constructor->shared()->set_name(*name_string); | 108 constructor->shared()->set_name(*name_string); |
109 | 109 |
| 110 if (FLAG_experimental_classes) { |
| 111 if (!super_class->IsTheHole() && !super_class->IsNull()) { |
| 112 Handle<Code> stub(isolate->builtins()->JSConstructStubForDerived()); |
| 113 constructor->shared()->set_construct_stub(*stub); |
| 114 } |
| 115 } |
| 116 |
110 JSFunction::SetPrototype(constructor, prototype); | 117 JSFunction::SetPrototype(constructor, prototype); |
111 PropertyAttributes attribs = | 118 PropertyAttributes attribs = |
112 static_cast<PropertyAttributes>(DONT_ENUM | DONT_DELETE | READ_ONLY); | 119 static_cast<PropertyAttributes>(DONT_ENUM | DONT_DELETE | READ_ONLY); |
113 RETURN_FAILURE_ON_EXCEPTION( | 120 RETURN_FAILURE_ON_EXCEPTION( |
114 isolate, JSObject::SetOwnPropertyIgnoreAttributes( | 121 isolate, JSObject::SetOwnPropertyIgnoreAttributes( |
115 constructor, isolate->factory()->prototype_string(), | 122 constructor, isolate->factory()->prototype_string(), |
116 prototype, attribs)); | 123 prototype, attribs)); |
117 | 124 |
118 // TODO(arv): Only do this conditionally. | 125 // TODO(arv): Only do this conditionally. |
119 Handle<Symbol> home_object_symbol(isolate->heap()->home_object_symbol()); | 126 Handle<Symbol> home_object_symbol(isolate->heap()->home_object_symbol()); |
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435 } | 442 } |
436 | 443 |
437 Handle<Object> result; | 444 Handle<Object> result; |
438 ASSIGN_RETURN_FAILURE_ON_EXCEPTION( | 445 ASSIGN_RETURN_FAILURE_ON_EXCEPTION( |
439 isolate, result, | 446 isolate, result, |
440 Execution::Call(isolate, proto_function, receiver, argc, argv, false)); | 447 Execution::Call(isolate, proto_function, receiver, argc, argv, false)); |
441 return *result; | 448 return *result; |
442 } | 449 } |
443 } | 450 } |
444 } // namespace v8::internal | 451 } // namespace v8::internal |
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