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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 "src/arguments.h" | 7 #include "src/arguments.h" |
| 8 #include "src/code-stubs.h" | 8 #include "src/code-stubs.h" |
| 9 #include "src/conversions-inl.h" | 9 #include "src/conversions-inl.h" |
| 10 #include "src/elements.h" | 10 #include "src/elements.h" |
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| 367 CONVERT_NUMBER_CHECKED(int, key, Int32, args[1]); | 367 CONVERT_NUMBER_CHECKED(int, key, Int32, args[1]); |
| 368 | 368 |
| 369 if (key < 0) { | 369 if (key < 0) { |
| 370 return object->elements(); | 370 return object->elements(); |
| 371 } | 371 } |
| 372 | 372 |
| 373 uint32_t capacity = static_cast<uint32_t>(object->elements()->length()); | 373 uint32_t capacity = static_cast<uint32_t>(object->elements()->length()); |
| 374 uint32_t index = static_cast<uint32_t>(key); | 374 uint32_t index = static_cast<uint32_t>(key); |
| 375 | 375 |
| 376 if (index >= capacity) { | 376 if (index >= capacity) { |
| 377 if (object->WouldConvertToSlowElements(index)) { | 377 if (object->map()->is_prototype_map() || |
| 378 object->WouldConvertToSlowElements(index)) { |
| 378 // We don't want to allow operations that cause lazy deopt. Return a Smi | 379 // We don't want to allow operations that cause lazy deopt. Return a Smi |
| 379 // as a signal that optimized code should eagerly deoptimize. | 380 // as a signal that optimized code should eagerly deoptimize. |
| 380 return Smi::FromInt(0); | 381 return Smi::FromInt(0); |
| 381 } | 382 } |
| 382 | 383 |
| 383 uint32_t new_capacity = JSObject::NewElementsCapacity(index + 1); | 384 uint32_t new_capacity = JSObject::NewElementsCapacity(index + 1); |
| 384 object->GetElementsAccessor()->GrowCapacityAndConvert(object, new_capacity); | 385 object->GetElementsAccessor()->GrowCapacityAndConvert(object, new_capacity); |
| 385 } | 386 } |
| 386 | 387 |
| 387 // On success, return the fixed array elements. | 388 // On success, return the fixed array elements. |
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| 538 // If SameValueZero(searchElement, elementK) is true, return true. | 539 // If SameValueZero(searchElement, elementK) is true, return true. |
| 539 if (search_element->SameValueZero(*element_k)) { | 540 if (search_element->SameValueZero(*element_k)) { |
| 540 return isolate->heap()->true_value(); | 541 return isolate->heap()->true_value(); |
| 541 } | 542 } |
| 542 } | 543 } |
| 543 return isolate->heap()->false_value(); | 544 return isolate->heap()->false_value(); |
| 544 } | 545 } |
| 545 | 546 |
| 546 } // namespace internal | 547 } // namespace internal |
| 547 } // namespace v8 | 548 } // namespace v8 |
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