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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 "bootstrapper.h" | 5 #include "bootstrapper.h" |
6 | 6 |
7 #include "accessors.h" | 7 #include "accessors.h" |
8 #include "isolate-inl.h" | 8 #include "isolate-inl.h" |
9 #include "natives.h" | 9 #include "natives.h" |
10 #include "snapshot.h" | 10 #include "snapshot.h" |
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385 | 385 |
386 void Genesis::SetFunctionInstanceDescriptor( | 386 void Genesis::SetFunctionInstanceDescriptor( |
387 Handle<Map> map, PrototypePropertyMode prototypeMode) { | 387 Handle<Map> map, PrototypePropertyMode prototypeMode) { |
388 int size = (prototypeMode == DONT_ADD_PROTOTYPE) ? 4 : 5; | 388 int size = (prototypeMode == DONT_ADD_PROTOTYPE) ? 4 : 5; |
389 Map::EnsureDescriptorSlack(map, size); | 389 Map::EnsureDescriptorSlack(map, size); |
390 | 390 |
391 Handle<Foreign> length(factory()->NewForeign(&Accessors::FunctionLength)); | 391 Handle<Foreign> length(factory()->NewForeign(&Accessors::FunctionLength)); |
392 Handle<Foreign> name(factory()->NewForeign(&Accessors::FunctionName)); | 392 Handle<Foreign> name(factory()->NewForeign(&Accessors::FunctionName)); |
393 Handle<Foreign> args(factory()->NewForeign(&Accessors::FunctionArguments)); | 393 Handle<Foreign> args(factory()->NewForeign(&Accessors::FunctionArguments)); |
394 Handle<Foreign> caller(factory()->NewForeign(&Accessors::FunctionCaller)); | 394 Handle<Foreign> caller(factory()->NewForeign(&Accessors::FunctionCaller)); |
395 Handle<Foreign> prototype; | |
396 if (prototypeMode != DONT_ADD_PROTOTYPE) { | |
397 prototype = factory()->NewForeign(&Accessors::FunctionPrototype); | |
398 } | |
399 PropertyAttributes attribs = static_cast<PropertyAttributes>( | 395 PropertyAttributes attribs = static_cast<PropertyAttributes>( |
400 DONT_ENUM | DONT_DELETE | READ_ONLY); | 396 DONT_ENUM | DONT_DELETE | READ_ONLY); |
401 | 397 |
402 { // Add length. | 398 { // Add length. |
403 CallbacksDescriptor d(factory()->length_string(), length, attribs); | 399 CallbacksDescriptor d(factory()->length_string(), length, attribs); |
404 map->AppendDescriptor(&d); | 400 map->AppendDescriptor(&d); |
405 } | 401 } |
406 { // Add name. | 402 { // Add name. |
407 CallbacksDescriptor d(factory()->name_string(), name, attribs); | 403 CallbacksDescriptor d(factory()->name_string(), name, attribs); |
408 map->AppendDescriptor(&d); | 404 map->AppendDescriptor(&d); |
409 } | 405 } |
410 { // Add arguments. | 406 { // Add arguments. |
411 CallbacksDescriptor d(factory()->arguments_string(), args, attribs); | 407 CallbacksDescriptor d(factory()->arguments_string(), args, attribs); |
412 map->AppendDescriptor(&d); | 408 map->AppendDescriptor(&d); |
413 } | 409 } |
414 { // Add caller. | 410 { // Add caller. |
415 CallbacksDescriptor d(factory()->caller_string(), caller, attribs); | 411 CallbacksDescriptor d(factory()->caller_string(), caller, attribs); |
416 map->AppendDescriptor(&d); | 412 map->AppendDescriptor(&d); |
417 } | 413 } |
418 if (prototypeMode != DONT_ADD_PROTOTYPE) { | 414 if (prototypeMode != DONT_ADD_PROTOTYPE) { |
419 // Add prototype. | |
420 if (prototypeMode == ADD_WRITEABLE_PROTOTYPE) { | 415 if (prototypeMode == ADD_WRITEABLE_PROTOTYPE) { |
421 attribs = static_cast<PropertyAttributes>(attribs & ~READ_ONLY); | 416 attribs = static_cast<PropertyAttributes>(attribs & ~READ_ONLY); |
422 } | 417 } |
423 CallbacksDescriptor d(factory()->prototype_string(), prototype, attribs); | 418 Handle<AccessorInfo> prototype = |
| 419 Accessors::FunctionPrototypeInfo(isolate(), attribs); |
| 420 CallbacksDescriptor d(Handle<Name>(Name::cast(prototype->name())), |
| 421 prototype, attribs); |
424 map->AppendDescriptor(&d); | 422 map->AppendDescriptor(&d); |
425 } | 423 } |
426 } | 424 } |
427 | 425 |
428 | 426 |
429 Handle<Map> Genesis::CreateFunctionMap(PrototypePropertyMode prototype_mode) { | 427 Handle<Map> Genesis::CreateFunctionMap(PrototypePropertyMode prototype_mode) { |
430 Handle<Map> map = factory()->NewMap(JS_FUNCTION_TYPE, JSFunction::kSize); | 428 Handle<Map> map = factory()->NewMap(JS_FUNCTION_TYPE, JSFunction::kSize); |
431 SetFunctionInstanceDescriptor(map, prototype_mode); | 429 SetFunctionInstanceDescriptor(map, prototype_mode); |
432 map->set_function_with_prototype(prototype_mode != DONT_ADD_PROTOTYPE); | 430 map->set_function_with_prototype(prototype_mode != DONT_ADD_PROTOTYPE); |
433 return map; | 431 return map; |
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516 | 514 |
517 void Genesis::SetStrictFunctionInstanceDescriptor( | 515 void Genesis::SetStrictFunctionInstanceDescriptor( |
518 Handle<Map> map, PrototypePropertyMode prototypeMode) { | 516 Handle<Map> map, PrototypePropertyMode prototypeMode) { |
519 int size = (prototypeMode == DONT_ADD_PROTOTYPE) ? 4 : 5; | 517 int size = (prototypeMode == DONT_ADD_PROTOTYPE) ? 4 : 5; |
520 Map::EnsureDescriptorSlack(map, size); | 518 Map::EnsureDescriptorSlack(map, size); |
521 | 519 |
522 Handle<Foreign> length(factory()->NewForeign(&Accessors::FunctionLength)); | 520 Handle<Foreign> length(factory()->NewForeign(&Accessors::FunctionLength)); |
523 Handle<Foreign> name(factory()->NewForeign(&Accessors::FunctionName)); | 521 Handle<Foreign> name(factory()->NewForeign(&Accessors::FunctionName)); |
524 Handle<AccessorPair> arguments(factory()->NewAccessorPair()); | 522 Handle<AccessorPair> arguments(factory()->NewAccessorPair()); |
525 Handle<AccessorPair> caller(factory()->NewAccessorPair()); | 523 Handle<AccessorPair> caller(factory()->NewAccessorPair()); |
526 Handle<Foreign> prototype; | |
527 if (prototypeMode != DONT_ADD_PROTOTYPE) { | |
528 prototype = factory()->NewForeign(&Accessors::FunctionPrototype); | |
529 } | |
530 PropertyAttributes rw_attribs = | 524 PropertyAttributes rw_attribs = |
531 static_cast<PropertyAttributes>(DONT_ENUM | DONT_DELETE); | 525 static_cast<PropertyAttributes>(DONT_ENUM | DONT_DELETE); |
532 PropertyAttributes ro_attribs = | 526 PropertyAttributes ro_attribs = |
533 static_cast<PropertyAttributes>(DONT_ENUM | DONT_DELETE | READ_ONLY); | 527 static_cast<PropertyAttributes>(DONT_ENUM | DONT_DELETE | READ_ONLY); |
534 | 528 |
535 { // Add length. | 529 { // Add length. |
536 CallbacksDescriptor d(factory()->length_string(), length, ro_attribs); | 530 CallbacksDescriptor d(factory()->length_string(), length, ro_attribs); |
537 map->AppendDescriptor(&d); | 531 map->AppendDescriptor(&d); |
538 } | 532 } |
539 { // Add name. | 533 { // Add name. |
540 CallbacksDescriptor d(factory()->name_string(), name, ro_attribs); | 534 CallbacksDescriptor d(factory()->name_string(), name, ro_attribs); |
541 map->AppendDescriptor(&d); | 535 map->AppendDescriptor(&d); |
542 } | 536 } |
543 { // Add arguments. | 537 { // Add arguments. |
544 CallbacksDescriptor d(factory()->arguments_string(), arguments, | 538 CallbacksDescriptor d(factory()->arguments_string(), arguments, |
545 rw_attribs); | 539 rw_attribs); |
546 map->AppendDescriptor(&d); | 540 map->AppendDescriptor(&d); |
547 } | 541 } |
548 { // Add caller. | 542 { // Add caller. |
549 CallbacksDescriptor d(factory()->caller_string(), caller, rw_attribs); | 543 CallbacksDescriptor d(factory()->caller_string(), caller, rw_attribs); |
550 map->AppendDescriptor(&d); | 544 map->AppendDescriptor(&d); |
551 } | 545 } |
552 if (prototypeMode != DONT_ADD_PROTOTYPE) { | 546 if (prototypeMode != DONT_ADD_PROTOTYPE) { |
553 // Add prototype. | 547 // Add prototype. |
554 PropertyAttributes attribs = | 548 PropertyAttributes attribs = |
555 prototypeMode == ADD_WRITEABLE_PROTOTYPE ? rw_attribs : ro_attribs; | 549 prototypeMode == ADD_WRITEABLE_PROTOTYPE ? rw_attribs : ro_attribs; |
556 CallbacksDescriptor d(factory()->prototype_string(), prototype, attribs); | 550 Handle<AccessorInfo> prototype = |
| 551 Accessors::FunctionPrototypeInfo(isolate(), attribs); |
| 552 CallbacksDescriptor d(Handle<Name>(Name::cast(prototype->name())), |
| 553 prototype, attribs); |
557 map->AppendDescriptor(&d); | 554 map->AppendDescriptor(&d); |
558 } | 555 } |
559 } | 556 } |
560 | 557 |
561 | 558 |
562 // ECMAScript 5th Edition, 13.2.3 | 559 // ECMAScript 5th Edition, 13.2.3 |
563 Handle<JSFunction> Genesis::GetThrowTypeErrorFunction() { | 560 Handle<JSFunction> Genesis::GetThrowTypeErrorFunction() { |
564 if (throw_type_error_function.is_null()) { | 561 if (throw_type_error_function.is_null()) { |
565 Handle<String> name = factory()->InternalizeOneByteString( | 562 Handle<String> name = factory()->InternalizeOneByteString( |
566 STATIC_ASCII_VECTOR("ThrowTypeError")); | 563 STATIC_ASCII_VECTOR("ThrowTypeError")); |
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2682 return from + sizeof(NestingCounterType); | 2679 return from + sizeof(NestingCounterType); |
2683 } | 2680 } |
2684 | 2681 |
2685 | 2682 |
2686 // Called when the top-level V8 mutex is destroyed. | 2683 // Called when the top-level V8 mutex is destroyed. |
2687 void Bootstrapper::FreeThreadResources() { | 2684 void Bootstrapper::FreeThreadResources() { |
2688 ASSERT(!IsActive()); | 2685 ASSERT(!IsActive()); |
2689 } | 2686 } |
2690 | 2687 |
2691 } } // namespace v8::internal | 2688 } } // namespace v8::internal |
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