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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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/accessors.h" | 5 #include "src/accessors.h" |
6 | 6 |
7 #include "src/api.h" | 7 #include "src/api.h" |
8 #include "src/contexts.h" | 8 #include "src/contexts.h" |
9 #include "src/deoptimizer.h" | 9 #include "src/deoptimizer.h" |
10 #include "src/execution.h" | 10 #include "src/execution.h" |
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197 | 197 |
198 uint32_t length = 0; | 198 uint32_t length = 0; |
199 if (!JSArray::AnythingToArrayLength(isolate, length_obj, &length)) { | 199 if (!JSArray::AnythingToArrayLength(isolate, length_obj, &length)) { |
200 isolate->OptionalRescheduleException(false); | 200 isolate->OptionalRescheduleException(false); |
201 return; | 201 return; |
202 } | 202 } |
203 | 203 |
204 if (JSArray::ObservableSetLength(array, length).is_null()) { | 204 if (JSArray::ObservableSetLength(array, length).is_null()) { |
205 isolate->OptionalRescheduleException(false); | 205 isolate->OptionalRescheduleException(false); |
206 } | 206 } |
207 | |
208 if (info.ShouldThrowOnError()) { | |
209 uint32_t actual_new_len = 0; | |
210 CHECK(array->length()->ToArrayLength(&actual_new_len)); | |
211 // Throw TypeError if there were non-deletable elements. | |
212 if (actual_new_len != length) { | |
213 Factory* factory = isolate->factory(); | |
214 isolate->Throw(*factory->NewTypeError( | |
215 MessageTemplate::kStrictDeleteProperty, | |
216 factory->NewNumberFromUint(actual_new_len - 1), array)); | |
217 isolate->OptionalRescheduleException(false); | |
218 } | |
219 } | |
220 } | 207 } |
221 | 208 |
222 | 209 |
223 Handle<AccessorInfo> Accessors::ArrayLengthInfo( | 210 Handle<AccessorInfo> Accessors::ArrayLengthInfo( |
224 Isolate* isolate, PropertyAttributes attributes) { | 211 Isolate* isolate, PropertyAttributes attributes) { |
225 return MakeAccessor(isolate, | 212 return MakeAccessor(isolate, |
226 isolate->factory()->length_string(), | 213 isolate->factory()->length_string(), |
227 &ArrayLengthGetter, | 214 &ArrayLengthGetter, |
228 &ArrayLengthSetter, | 215 &ArrayLengthSetter, |
229 attributes); | 216 attributes); |
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1410 isolate->ScheduleThrow(*exception); | 1397 isolate->ScheduleThrow(*exception); |
1411 return; | 1398 return; |
1412 } | 1399 } |
1413 info.GetReturnValue().Set(v8::Utils::ToLocal(Handle<Object>(value, isolate))); | 1400 info.GetReturnValue().Set(v8::Utils::ToLocal(Handle<Object>(value, isolate))); |
1414 } | 1401 } |
1415 | 1402 |
1416 | 1403 |
1417 static void ModuleSetExport(v8::Local<v8::Name> property, | 1404 static void ModuleSetExport(v8::Local<v8::Name> property, |
1418 v8::Local<v8::Value> value, | 1405 v8::Local<v8::Value> value, |
1419 const v8::PropertyCallbackInfo<void>& info) { | 1406 const v8::PropertyCallbackInfo<void>& info) { |
1420 if (!info.ShouldThrowOnError()) return; | |
1421 Handle<Name> name = v8::Utils::OpenHandle(*property); | 1407 Handle<Name> name = v8::Utils::OpenHandle(*property); |
1422 Isolate* isolate = name->GetIsolate(); | 1408 Isolate* isolate = name->GetIsolate(); |
1423 Handle<Object> exception = | 1409 Handle<Object> exception = |
1424 isolate->factory()->NewTypeError(MessageTemplate::kNotDefined, name); | 1410 isolate->factory()->NewTypeError(MessageTemplate::kNotDefined, name); |
1425 isolate->ScheduleThrow(*exception); | 1411 isolate->ScheduleThrow(*exception); |
1426 } | 1412 } |
1427 | 1413 |
1428 | 1414 |
1429 Handle<AccessorInfo> Accessors::MakeModuleExport( | 1415 Handle<AccessorInfo> Accessors::MakeModuleExport( |
1430 Handle<String> name, | 1416 Handle<String> name, |
1431 int index, | 1417 int index, |
1432 PropertyAttributes attributes) { | 1418 PropertyAttributes attributes) { |
1433 Isolate* isolate = name->GetIsolate(); | 1419 Isolate* isolate = name->GetIsolate(); |
1434 Handle<AccessorInfo> info = MakeAccessor(isolate, name, &ModuleGetExport, | 1420 Handle<AccessorInfo> info = MakeAccessor(isolate, name, &ModuleGetExport, |
1435 &ModuleSetExport, attributes); | 1421 &ModuleSetExport, attributes); |
1436 info->set_data(Smi::FromInt(index)); | 1422 info->set_data(Smi::FromInt(index)); |
1437 return info; | 1423 return info; |
1438 } | 1424 } |
1439 | 1425 |
1440 | 1426 |
1441 } // namespace internal | 1427 } // namespace internal |
1442 } // namespace v8 | 1428 } // namespace v8 |
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