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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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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2043 inline void set_length(int value); | 2043 inline void set_length(int value); |
2044 | 2044 |
2045 inline static FixedArrayBase* cast(Object* object); | 2045 inline static FixedArrayBase* cast(Object* object); |
2046 | 2046 |
2047 // Layout description. | 2047 // Layout description. |
2048 // Length is smi tagged when it is stored. | 2048 // Length is smi tagged when it is stored. |
2049 static const int kLengthOffset = HeapObject::kHeaderSize; | 2049 static const int kLengthOffset = HeapObject::kHeaderSize; |
2050 static const int kHeaderSize = kLengthOffset + kPointerSize; | 2050 static const int kHeaderSize = kLengthOffset + kPointerSize; |
2051 }; | 2051 }; |
2052 | 2052 |
| 2053 class FixedDoubleArray; |
2053 | 2054 |
2054 // FixedArray describes fixed-sized arrays with element type Object*. | 2055 // FixedArray describes fixed-sized arrays with element type Object*. |
2055 class FixedArray: public FixedArrayBase { | 2056 class FixedArray: public FixedArrayBase { |
2056 public: | 2057 public: |
2057 // Setter and getter for elements. | 2058 // Setter and getter for elements. |
2058 inline Object* get(int index); | 2059 inline Object* get(int index); |
2059 // Setter that uses write barrier. | 2060 // Setter that uses write barrier. |
2060 inline void set(int index, Object* value); | 2061 inline void set(int index, Object* value); |
2061 | 2062 |
2062 // Setter that doesn't need write barrier). | 2063 // Setter that doesn't need write barrier). |
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2085 // Copy operations. | 2086 // Copy operations. |
2086 MUST_USE_RESULT inline MaybeObject* Copy(); | 2087 MUST_USE_RESULT inline MaybeObject* Copy(); |
2087 MUST_USE_RESULT MaybeObject* CopySize(int new_length); | 2088 MUST_USE_RESULT MaybeObject* CopySize(int new_length); |
2088 | 2089 |
2089 // Add the elements of a JSArray to this FixedArray. | 2090 // Add the elements of a JSArray to this FixedArray. |
2090 MUST_USE_RESULT MaybeObject* AddKeysFromJSArray(JSArray* array); | 2091 MUST_USE_RESULT MaybeObject* AddKeysFromJSArray(JSArray* array); |
2091 | 2092 |
2092 // Compute the union of this and other. | 2093 // Compute the union of this and other. |
2093 MUST_USE_RESULT MaybeObject* UnionOfKeys(FixedArray* other); | 2094 MUST_USE_RESULT MaybeObject* UnionOfKeys(FixedArray* other); |
2094 | 2095 |
| 2096 // Compute the union of this and other. |
| 2097 MUST_USE_RESULT MaybeObject* UnionOfDoubleKeys( |
| 2098 FixedDoubleArray* other); |
| 2099 |
2095 // Copy a sub array from the receiver to dest. | 2100 // Copy a sub array from the receiver to dest. |
2096 void CopyTo(int pos, FixedArray* dest, int dest_pos, int len); | 2101 void CopyTo(int pos, FixedArray* dest, int dest_pos, int len); |
2097 | 2102 |
2098 // Garbage collection support. | 2103 // Garbage collection support. |
2099 static int SizeFor(int length) { return kHeaderSize + length * kPointerSize; } | 2104 static int SizeFor(int length) { return kHeaderSize + length * kPointerSize; } |
2100 | 2105 |
2101 // Code Generation support. | 2106 // Code Generation support. |
2102 static int OffsetOfElementAt(int index) { return SizeFor(index); } | 2107 static int OffsetOfElementAt(int index) { return SizeFor(index); } |
2103 | 2108 |
2104 // Casting. | 2109 // Casting. |
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7178 } else { | 7183 } else { |
7179 value &= ~(1 << bit_position); | 7184 value &= ~(1 << bit_position); |
7180 } | 7185 } |
7181 return value; | 7186 return value; |
7182 } | 7187 } |
7183 }; | 7188 }; |
7184 | 7189 |
7185 } } // namespace v8::internal | 7190 } } // namespace v8::internal |
7186 | 7191 |
7187 #endif // V8_OBJECTS_H_ | 7192 #endif // V8_OBJECTS_H_ |
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