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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/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #include "src/arguments.h" | 7 #include "src/arguments.h" |
8 #include "src/conversions.h" | 8 #include "src/conversions.h" |
9 #include "src/elements.h" | 9 #include "src/elements.h" |
10 #include "src/objects.h" | 10 #include "src/objects.h" |
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113 #define ELEMENTS_TRAITS(Class, KindParam, Store) \ | 113 #define ELEMENTS_TRAITS(Class, KindParam, Store) \ |
114 template<> class ElementsKindTraits<KindParam> { \ | 114 template<> class ElementsKindTraits<KindParam> { \ |
115 public: /* NOLINT */ \ | 115 public: /* NOLINT */ \ |
116 static const ElementsKind Kind = KindParam; \ | 116 static const ElementsKind Kind = KindParam; \ |
117 typedef Store BackingStore; \ | 117 typedef Store BackingStore; \ |
118 }; | 118 }; |
119 ELEMENTS_LIST(ELEMENTS_TRAITS) | 119 ELEMENTS_LIST(ELEMENTS_TRAITS) |
120 #undef ELEMENTS_TRAITS | 120 #undef ELEMENTS_TRAITS |
121 | 121 |
122 | 122 |
123 ElementsAccessor** ElementsAccessor::elements_accessors_; | 123 ElementsAccessor** ElementsAccessor::elements_accessors_ = NULL; |
124 | 124 |
125 | 125 |
126 static bool HasKey(Handle<FixedArray> array, Handle<Object> key_handle) { | 126 static bool HasKey(Handle<FixedArray> array, Handle<Object> key_handle) { |
127 DisallowHeapAllocation no_gc; | 127 DisallowHeapAllocation no_gc; |
128 Object* key = *key_handle; | 128 Object* key = *key_handle; |
129 int len0 = array->length(); | 129 int len0 = array->length(); |
130 for (int i = 0; i < len0; i++) { | 130 for (int i = 0; i < len0; i++) { |
131 Object* element = array->get(i); | 131 Object* element = array->get(i); |
132 if (element->IsSmi() && element == key) return true; | 132 if (element->IsSmi() && element == key) return true; |
133 if (element->IsString() && | 133 if (element->IsString() && |
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1728 }; | 1728 }; |
1729 | 1729 |
1730 STATIC_ASSERT((sizeof(accessor_array) / sizeof(*accessor_array)) == | 1730 STATIC_ASSERT((sizeof(accessor_array) / sizeof(*accessor_array)) == |
1731 kElementsKindCount); | 1731 kElementsKindCount); |
1732 | 1732 |
1733 elements_accessors_ = accessor_array; | 1733 elements_accessors_ = accessor_array; |
1734 } | 1734 } |
1735 | 1735 |
1736 | 1736 |
1737 void ElementsAccessor::TearDown() { | 1737 void ElementsAccessor::TearDown() { |
| 1738 if (elements_accessors_ == NULL) return; |
1738 #define ACCESSOR_DELETE(Class, Kind, Store) delete elements_accessors_[Kind]; | 1739 #define ACCESSOR_DELETE(Class, Kind, Store) delete elements_accessors_[Kind]; |
1739 ELEMENTS_LIST(ACCESSOR_DELETE) | 1740 ELEMENTS_LIST(ACCESSOR_DELETE) |
1740 #undef ACCESSOR_DELETE | 1741 #undef ACCESSOR_DELETE |
1741 elements_accessors_ = NULL; | 1742 elements_accessors_ = NULL; |
1742 } | 1743 } |
1743 | 1744 |
1744 | 1745 |
1745 template <typename ElementsAccessorSubclass, typename ElementsKindTraits> | 1746 template <typename ElementsAccessorSubclass, typename ElementsKindTraits> |
1746 MUST_USE_RESULT | 1747 MUST_USE_RESULT |
1747 MaybeHandle<Object> ElementsAccessorBase<ElementsAccessorSubclass, | 1748 MaybeHandle<Object> ElementsAccessorBase<ElementsAccessorSubclass, |
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1897 UNREACHABLE(); | 1898 UNREACHABLE(); |
1898 break; | 1899 break; |
1899 } | 1900 } |
1900 | 1901 |
1901 array->set_elements(*elms); | 1902 array->set_elements(*elms); |
1902 array->set_length(Smi::FromInt(number_of_elements)); | 1903 array->set_length(Smi::FromInt(number_of_elements)); |
1903 return array; | 1904 return array; |
1904 } | 1905 } |
1905 | 1906 |
1906 } } // namespace v8::internal | 1907 } } // namespace v8::internal |
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