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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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| 262 source, Handle<Smi>::cast(start_position)->value(), | 262 source, Handle<Smi>::cast(start_position)->value(), |
| 263 Handle<Smi>::cast(end_position)->value()); | 263 Handle<Smi>::cast(end_position)->value()); |
| 264 } | 264 } |
| 265 | 265 |
| 266 | 266 |
| 267 static MaybeHandle<Object> LoadFromSuper(Isolate* isolate, | 267 static MaybeHandle<Object> LoadFromSuper(Isolate* isolate, |
| 268 Handle<Object> receiver, | 268 Handle<Object> receiver, |
| 269 Handle<JSObject> home_object, | 269 Handle<JSObject> home_object, |
| 270 Handle<Name> name, | 270 Handle<Name> name, |
| 271 LanguageMode language_mode) { | 271 LanguageMode language_mode) { |
| 272 if (home_object->IsAccessCheckNeeded() && !isolate->MayAccess(home_object)) { | 272 if (home_object->IsAccessCheckNeeded() && |
| 273 !isolate->MayAccess(handle(isolate->context()), home_object)) { |
| 273 isolate->ReportFailedAccessCheck(home_object); | 274 isolate->ReportFailedAccessCheck(home_object); |
| 274 RETURN_EXCEPTION_IF_SCHEDULED_EXCEPTION(isolate, Object); | 275 RETURN_EXCEPTION_IF_SCHEDULED_EXCEPTION(isolate, Object); |
| 275 } | 276 } |
| 276 | 277 |
| 277 PrototypeIterator iter(isolate, home_object); | 278 PrototypeIterator iter(isolate, home_object); |
| 278 Handle<Object> proto = PrototypeIterator::GetCurrent(iter); | 279 Handle<Object> proto = PrototypeIterator::GetCurrent(iter); |
| 279 if (!proto->IsJSReceiver()) { | 280 if (!proto->IsJSReceiver()) { |
| 280 return Object::ReadAbsentProperty(isolate, proto, name, language_mode); | 281 return Object::ReadAbsentProperty(isolate, proto, name, language_mode); |
| 281 } | 282 } |
| 282 | 283 |
| 283 LookupIterator it(receiver, name, Handle<JSReceiver>::cast(proto)); | 284 LookupIterator it(receiver, name, Handle<JSReceiver>::cast(proto)); |
| 284 Handle<Object> result; | 285 Handle<Object> result; |
| 285 ASSIGN_RETURN_ON_EXCEPTION(isolate, result, | 286 ASSIGN_RETURN_ON_EXCEPTION(isolate, result, |
| 286 Object::GetProperty(&it, language_mode), Object); | 287 Object::GetProperty(&it, language_mode), Object); |
| 287 return result; | 288 return result; |
| 288 } | 289 } |
| 289 | 290 |
| 290 | 291 |
| 291 static MaybeHandle<Object> LoadElementFromSuper(Isolate* isolate, | 292 static MaybeHandle<Object> LoadElementFromSuper(Isolate* isolate, |
| 292 Handle<Object> receiver, | 293 Handle<Object> receiver, |
| 293 Handle<JSObject> home_object, | 294 Handle<JSObject> home_object, |
| 294 uint32_t index, | 295 uint32_t index, |
| 295 LanguageMode language_mode) { | 296 LanguageMode language_mode) { |
| 296 if (home_object->IsAccessCheckNeeded() && !isolate->MayAccess(home_object)) { | 297 if (home_object->IsAccessCheckNeeded() && |
| 298 !isolate->MayAccess(handle(isolate->context()), home_object)) { |
| 297 isolate->ReportFailedAccessCheck(home_object); | 299 isolate->ReportFailedAccessCheck(home_object); |
| 298 RETURN_EXCEPTION_IF_SCHEDULED_EXCEPTION(isolate, Object); | 300 RETURN_EXCEPTION_IF_SCHEDULED_EXCEPTION(isolate, Object); |
| 299 } | 301 } |
| 300 | 302 |
| 301 PrototypeIterator iter(isolate, home_object); | 303 PrototypeIterator iter(isolate, home_object); |
| 302 Handle<Object> proto = PrototypeIterator::GetCurrent(iter); | 304 Handle<Object> proto = PrototypeIterator::GetCurrent(iter); |
| 303 if (!proto->IsJSReceiver()) { | 305 if (!proto->IsJSReceiver()) { |
| 304 Handle<Object> name = isolate->factory()->NewNumberFromUint(index); | 306 Handle<Object> name = isolate->factory()->NewNumberFromUint(index); |
| 305 return Object::ReadAbsentProperty(isolate, proto, name, language_mode); | 307 return Object::ReadAbsentProperty(isolate, proto, name, language_mode); |
| 306 } | 308 } |
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| 362 ASSIGN_RETURN_FAILURE_ON_EXCEPTION( | 364 ASSIGN_RETURN_FAILURE_ON_EXCEPTION( |
| 363 isolate, result, | 365 isolate, result, |
| 364 LoadFromSuper(isolate, receiver, home_object, name, language_mode)); | 366 LoadFromSuper(isolate, receiver, home_object, name, language_mode)); |
| 365 return *result; | 367 return *result; |
| 366 } | 368 } |
| 367 | 369 |
| 368 | 370 |
| 369 static Object* StoreToSuper(Isolate* isolate, Handle<JSObject> home_object, | 371 static Object* StoreToSuper(Isolate* isolate, Handle<JSObject> home_object, |
| 370 Handle<Object> receiver, Handle<Name> name, | 372 Handle<Object> receiver, Handle<Name> name, |
| 371 Handle<Object> value, LanguageMode language_mode) { | 373 Handle<Object> value, LanguageMode language_mode) { |
| 372 if (home_object->IsAccessCheckNeeded() && !isolate->MayAccess(home_object)) { | 374 if (home_object->IsAccessCheckNeeded() && |
| 375 !isolate->MayAccess(handle(isolate->context()), home_object)) { |
| 373 isolate->ReportFailedAccessCheck(home_object); | 376 isolate->ReportFailedAccessCheck(home_object); |
| 374 RETURN_FAILURE_IF_SCHEDULED_EXCEPTION(isolate); | 377 RETURN_FAILURE_IF_SCHEDULED_EXCEPTION(isolate); |
| 375 } | 378 } |
| 376 | 379 |
| 377 PrototypeIterator iter(isolate, home_object); | 380 PrototypeIterator iter(isolate, home_object); |
| 378 Handle<Object> proto = PrototypeIterator::GetCurrent(iter); | 381 Handle<Object> proto = PrototypeIterator::GetCurrent(iter); |
| 379 if (!proto->IsJSReceiver()) return isolate->heap()->undefined_value(); | 382 if (!proto->IsJSReceiver()) return isolate->heap()->undefined_value(); |
| 380 | 383 |
| 381 LookupIterator it(receiver, name, Handle<JSReceiver>::cast(proto)); | 384 LookupIterator it(receiver, name, Handle<JSReceiver>::cast(proto)); |
| 382 Handle<Object> result; | 385 Handle<Object> result; |
| 383 ASSIGN_RETURN_FAILURE_ON_EXCEPTION( | 386 ASSIGN_RETURN_FAILURE_ON_EXCEPTION( |
| 384 isolate, result, | 387 isolate, result, |
| 385 Object::SetSuperProperty(&it, value, language_mode, | 388 Object::SetSuperProperty(&it, value, language_mode, |
| 386 Object::CERTAINLY_NOT_STORE_FROM_KEYED)); | 389 Object::CERTAINLY_NOT_STORE_FROM_KEYED)); |
| 387 return *result; | 390 return *result; |
| 388 } | 391 } |
| 389 | 392 |
| 390 | 393 |
| 391 static Object* StoreElementToSuper(Isolate* isolate, | 394 static Object* StoreElementToSuper(Isolate* isolate, |
| 392 Handle<JSObject> home_object, | 395 Handle<JSObject> home_object, |
| 393 Handle<Object> receiver, uint32_t index, | 396 Handle<Object> receiver, uint32_t index, |
| 394 Handle<Object> value, | 397 Handle<Object> value, |
| 395 LanguageMode language_mode) { | 398 LanguageMode language_mode) { |
| 396 if (home_object->IsAccessCheckNeeded() && !isolate->MayAccess(home_object)) { | 399 if (home_object->IsAccessCheckNeeded() && |
| 400 !isolate->MayAccess(handle(isolate->context()), home_object)) { |
| 397 isolate->ReportFailedAccessCheck(home_object); | 401 isolate->ReportFailedAccessCheck(home_object); |
| 398 RETURN_FAILURE_IF_SCHEDULED_EXCEPTION(isolate); | 402 RETURN_FAILURE_IF_SCHEDULED_EXCEPTION(isolate); |
| 399 } | 403 } |
| 400 | 404 |
| 401 PrototypeIterator iter(isolate, home_object); | 405 PrototypeIterator iter(isolate, home_object); |
| 402 Handle<Object> proto = PrototypeIterator::GetCurrent(iter); | 406 Handle<Object> proto = PrototypeIterator::GetCurrent(iter); |
| 403 if (!proto->IsJSReceiver()) return isolate->heap()->undefined_value(); | 407 if (!proto->IsJSReceiver()) return isolate->heap()->undefined_value(); |
| 404 | 408 |
| 405 LookupIterator it(isolate, receiver, index, Handle<JSReceiver>::cast(proto)); | 409 LookupIterator it(isolate, receiver, index, Handle<JSReceiver>::cast(proto)); |
| 406 Handle<Object> result; | 410 Handle<Object> result; |
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| 510 ASSIGN_RETURN_FAILURE_ON_EXCEPTION( | 514 ASSIGN_RETURN_FAILURE_ON_EXCEPTION( |
| 511 isolate, result, | 515 isolate, result, |
| 512 Execution::New(isolate, super_constructor, original_constructor, | 516 Execution::New(isolate, super_constructor, original_constructor, |
| 513 argument_count, arguments.get())); | 517 argument_count, arguments.get())); |
| 514 | 518 |
| 515 return *result; | 519 return *result; |
| 516 } | 520 } |
| 517 | 521 |
| 518 } // namespace internal | 522 } // namespace internal |
| 519 } // namespace v8 | 523 } // namespace v8 |
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