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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/runtime/runtime-utils.h" | 5 #include "src/runtime/runtime-utils.h" |
| 6 | 6 |
| 7 #include <stdlib.h> | 7 #include <stdlib.h> |
| 8 #include <limits> | 8 #include <limits> |
| 9 | 9 |
| 10 #include "src/arguments.h" | 10 #include "src/arguments.h" |
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| 141 Handle<String> name_string = name->IsString() | 141 Handle<String> name_string = name->IsString() |
| 142 ? Handle<String>::cast(name) | 142 ? Handle<String>::cast(name) |
| 143 : isolate->factory()->empty_string(); | 143 : isolate->factory()->empty_string(); |
| 144 constructor->shared()->set_name(*name_string); | 144 constructor->shared()->set_name(*name_string); |
| 145 | 145 |
| 146 if (!super_class->IsTheHole()) { | 146 if (!super_class->IsTheHole()) { |
| 147 // Derived classes, just like builtins, don't create implicit receivers in | 147 // Derived classes, just like builtins, don't create implicit receivers in |
| 148 // [[construct]]. Instead they just set up new.target and call into the | 148 // [[construct]]. Instead they just set up new.target and call into the |
| 149 // constructor. Hence we can reuse the builtins construct stub for derived | 149 // constructor. Hence we can reuse the builtins construct stub for derived |
| 150 // classes. | 150 // classes. |
| 151 Handle<Code> stub(isolate->builtins()->JSBuiltinsConstructStub()); | 151 Handle<Code> stub(isolate->builtins()->JSBuiltinsConstructStubForDerived()); |
| 152 constructor->shared()->set_construct_stub(*stub); | 152 constructor->shared()->set_construct_stub(*stub); |
| 153 } | 153 } |
| 154 | 154 |
| 155 JSFunction::SetPrototype(constructor, prototype); | 155 JSFunction::SetPrototype(constructor, prototype); |
| 156 PropertyAttributes attribs = | 156 PropertyAttributes attribs = |
| 157 static_cast<PropertyAttributes>(DONT_ENUM | DONT_DELETE | READ_ONLY); | 157 static_cast<PropertyAttributes>(DONT_ENUM | DONT_DELETE | READ_ONLY); |
| 158 RETURN_ON_EXCEPTION(isolate, | 158 RETURN_ON_EXCEPTION(isolate, |
| 159 JSObject::SetOwnPropertyIgnoreAttributes( | 159 JSObject::SetOwnPropertyIgnoreAttributes( |
| 160 constructor, isolate->factory()->prototype_string(), | 160 constructor, isolate->factory()->prototype_string(), |
| 161 prototype, attribs), | 161 prototype, attribs), |
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| 466 | 466 |
| 467 RUNTIME_FUNCTION(Runtime_GetSuperConstructor) { | 467 RUNTIME_FUNCTION(Runtime_GetSuperConstructor) { |
| 468 SealHandleScope shs(isolate); | 468 SealHandleScope shs(isolate); |
| 469 DCHECK_EQ(1, args.length()); | 469 DCHECK_EQ(1, args.length()); |
| 470 CONVERT_ARG_CHECKED(JSFunction, active_function, 0); | 470 CONVERT_ARG_CHECKED(JSFunction, active_function, 0); |
| 471 return active_function->map()->prototype(); | 471 return active_function->map()->prototype(); |
| 472 } | 472 } |
| 473 | 473 |
| 474 } // namespace internal | 474 } // namespace internal |
| 475 } // namespace v8 | 475 } // namespace v8 |
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