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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 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
| 4 // met: | 4 // met: |
| 5 // | 5 // |
| 6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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| 429 if (!IsFastObjectElementsKind(elements_kind)) { | 429 if (!IsFastObjectElementsKind(elements_kind)) { |
| 430 if (IsFastHoleyElementsKind(elements_kind)) { | 430 if (IsFastHoleyElementsKind(elements_kind)) { |
| 431 CHECK(!TransitionElements(object, FAST_HOLEY_ELEMENTS, | 431 CHECK(!TransitionElements(object, FAST_HOLEY_ELEMENTS, |
| 432 isolate)->IsFailure()); | 432 isolate)->IsFailure()); |
| 433 } else { | 433 } else { |
| 434 CHECK(!TransitionElements(object, FAST_ELEMENTS, isolate)->IsFailure()); | 434 CHECK(!TransitionElements(object, FAST_ELEMENTS, isolate)->IsFailure()); |
| 435 } | 435 } |
| 436 } | 436 } |
| 437 } | 437 } |
| 438 | 438 |
| 439 object->ValidateElements(); | 439 JSObject::ValidateElements(object); |
| 440 return object; | 440 return object; |
| 441 } | 441 } |
| 442 | 442 |
| 443 | 443 |
| 444 MUST_USE_RESULT static MaybeHandle<Object> CreateLiteralBoilerplate( | 444 MUST_USE_RESULT static MaybeHandle<Object> CreateLiteralBoilerplate( |
| 445 Isolate* isolate, | 445 Isolate* isolate, |
| 446 Handle<FixedArray> literals, | 446 Handle<FixedArray> literals, |
| 447 Handle<FixedArray> array) { | 447 Handle<FixedArray> array) { |
| 448 Handle<FixedArray> elements = CompileTimeValue::GetElements(array); | 448 Handle<FixedArray> elements = CompileTimeValue::GetElements(array); |
| 449 const bool kHasNoFunctionLiteral = false; | 449 const bool kHasNoFunctionLiteral = false; |
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| 5294 // of a string using [] notation. We need to support this too in | 5294 // of a string using [] notation. We need to support this too in |
| 5295 // JavaScript. | 5295 // JavaScript. |
| 5296 // In the case of a String object we just need to redirect the assignment to | 5296 // In the case of a String object we just need to redirect the assignment to |
| 5297 // the underlying string if the index is in range. Since the underlying | 5297 // the underlying string if the index is in range. Since the underlying |
| 5298 // string does nothing with the assignment then we can ignore such | 5298 // string does nothing with the assignment then we can ignore such |
| 5299 // assignments. | 5299 // assignments. |
| 5300 if (js_object->IsStringObjectWithCharacterAt(index)) { | 5300 if (js_object->IsStringObjectWithCharacterAt(index)) { |
| 5301 return value; | 5301 return value; |
| 5302 } | 5302 } |
| 5303 | 5303 |
| 5304 js_object->ValidateElements(); | 5304 JSObject::ValidateElements(js_object); |
| 5305 if (js_object->HasExternalArrayElements() || | 5305 if (js_object->HasExternalArrayElements() || |
| 5306 js_object->HasFixedTypedArrayElements()) { | 5306 js_object->HasFixedTypedArrayElements()) { |
| 5307 if (!value->IsNumber() && !value->IsUndefined()) { | 5307 if (!value->IsNumber() && !value->IsUndefined()) { |
| 5308 bool has_exception; | 5308 bool has_exception; |
| 5309 Handle<Object> number = | 5309 Handle<Object> number = |
| 5310 Execution::ToNumber(isolate, value, &has_exception); | 5310 Execution::ToNumber(isolate, value, &has_exception); |
| 5311 if (has_exception) return Handle<Object>(); // exception | 5311 if (has_exception) return Handle<Object>(); // exception |
| 5312 value = number; | 5312 value = number; |
| 5313 } | 5313 } |
| 5314 } | 5314 } |
| 5315 Handle<Object> result = JSObject::SetElement(js_object, index, value, attr, | 5315 Handle<Object> result = JSObject::SetElement(js_object, index, value, attr, |
| 5316 strict_mode, | 5316 strict_mode, |
| 5317 true, | 5317 true, |
| 5318 set_mode); | 5318 set_mode); |
| 5319 js_object->ValidateElements(); | 5319 JSObject::ValidateElements(js_object); |
| 5320 return result.is_null() ? result : value; | 5320 return result.is_null() ? result : value; |
| 5321 } | 5321 } |
| 5322 | 5322 |
| 5323 if (key->IsName()) { | 5323 if (key->IsName()) { |
| 5324 Handle<Name> name = Handle<Name>::cast(key); | 5324 Handle<Name> name = Handle<Name>::cast(key); |
| 5325 if (name->AsArrayIndex(&index)) { | 5325 if (name->AsArrayIndex(&index)) { |
| 5326 if (js_object->HasExternalArrayElements()) { | 5326 if (js_object->HasExternalArrayElements()) { |
| 5327 if (!value->IsNumber() && !value->IsUndefined()) { | 5327 if (!value->IsNumber() && !value->IsUndefined()) { |
| 5328 bool has_exception; | 5328 bool has_exception; |
| 5329 Handle<Object> number = | 5329 Handle<Object> number = |
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| 10650 return *JSObject::PrepareElementsForSort(object, limit); | 10650 return *JSObject::PrepareElementsForSort(object, limit); |
| 10651 } | 10651 } |
| 10652 | 10652 |
| 10653 | 10653 |
| 10654 // Move contents of argument 0 (an array) to argument 1 (an array) | 10654 // Move contents of argument 0 (an array) to argument 1 (an array) |
| 10655 RUNTIME_FUNCTION(MaybeObject*, Runtime_MoveArrayContents) { | 10655 RUNTIME_FUNCTION(MaybeObject*, Runtime_MoveArrayContents) { |
| 10656 HandleScope scope(isolate); | 10656 HandleScope scope(isolate); |
| 10657 ASSERT(args.length() == 2); | 10657 ASSERT(args.length() == 2); |
| 10658 CONVERT_ARG_HANDLE_CHECKED(JSArray, from, 0); | 10658 CONVERT_ARG_HANDLE_CHECKED(JSArray, from, 0); |
| 10659 CONVERT_ARG_HANDLE_CHECKED(JSArray, to, 1); | 10659 CONVERT_ARG_HANDLE_CHECKED(JSArray, to, 1); |
| 10660 from->ValidateElements(); | 10660 JSObject::ValidateElements(from); |
| 10661 to->ValidateElements(); | 10661 JSObject::ValidateElements(to); |
| 10662 | 10662 |
| 10663 Handle<FixedArrayBase> new_elements(from->elements()); | 10663 Handle<FixedArrayBase> new_elements(from->elements()); |
| 10664 ElementsKind from_kind = from->GetElementsKind(); | 10664 ElementsKind from_kind = from->GetElementsKind(); |
| 10665 Handle<Map> new_map = JSObject::GetElementsTransitionMap(to, from_kind); | 10665 Handle<Map> new_map = JSObject::GetElementsTransitionMap(to, from_kind); |
| 10666 JSObject::SetMapAndElements(to, new_map, new_elements); | 10666 JSObject::SetMapAndElements(to, new_map, new_elements); |
| 10667 to->set_length(from->length()); | 10667 to->set_length(from->length()); |
| 10668 | 10668 |
| 10669 JSObject::ResetElements(from); | 10669 JSObject::ResetElements(from); |
| 10670 from->set_length(Smi::FromInt(0)); | 10670 from->set_length(Smi::FromInt(0)); |
| 10671 | 10671 |
| 10672 to->ValidateElements(); | 10672 JSObject::ValidateElements(to); |
| 10673 return *to; | 10673 return *to; |
| 10674 } | 10674 } |
| 10675 | 10675 |
| 10676 | 10676 |
| 10677 // How many elements does this object/array have? | 10677 // How many elements does this object/array have? |
| 10678 RUNTIME_FUNCTION(MaybeObject*, Runtime_EstimateNumberOfElements) { | 10678 RUNTIME_FUNCTION(MaybeObject*, Runtime_EstimateNumberOfElements) { |
| 10679 SealHandleScope shs(isolate); | 10679 SealHandleScope shs(isolate); |
| 10680 ASSERT(args.length() == 1); | 10680 ASSERT(args.length() == 1); |
| 10681 CONVERT_ARG_CHECKED(JSObject, object, 0); | 10681 CONVERT_ARG_CHECKED(JSObject, object, 0); |
| 10682 HeapObject* elements = object->elements(); | 10682 HeapObject* elements = object->elements(); |
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| 15258 } | 15258 } |
| 15259 } | 15259 } |
| 15260 | 15260 |
| 15261 | 15261 |
| 15262 void Runtime::OutOfMemory() { | 15262 void Runtime::OutOfMemory() { |
| 15263 Heap::FatalProcessOutOfMemory("CALL_AND_RETRY_LAST", true); | 15263 Heap::FatalProcessOutOfMemory("CALL_AND_RETRY_LAST", true); |
| 15264 UNREACHABLE(); | 15264 UNREACHABLE(); |
| 15265 } | 15265 } |
| 15266 | 15266 |
| 15267 } } // namespace v8::internal | 15267 } } // namespace v8::internal |
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