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| 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 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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| 607 inline bool IsCode(); | 607 inline bool IsCode(); |
| 608 inline bool IsOddball(); | 608 inline bool IsOddball(); |
| 609 inline bool IsSharedFunctionInfo(); | 609 inline bool IsSharedFunctionInfo(); |
| 610 inline bool IsJSValue(); | 610 inline bool IsJSValue(); |
| 611 inline bool IsProxy(); | 611 inline bool IsProxy(); |
| 612 inline bool IsBoolean(); | 612 inline bool IsBoolean(); |
| 613 inline bool IsJSArray(); | 613 inline bool IsJSArray(); |
| 614 inline bool IsHashTable(); | 614 inline bool IsHashTable(); |
| 615 inline bool IsDictionary(); | 615 inline bool IsDictionary(); |
| 616 inline bool IsSymbolTable(); | 616 inline bool IsSymbolTable(); |
| 617 inline bool IsEvalCache(); | 617 inline bool IsCompilationCacheTable(); |
| 618 inline bool IsPrimitive(); | 618 inline bool IsPrimitive(); |
| 619 inline bool IsGlobalObject(); | 619 inline bool IsGlobalObject(); |
| 620 inline bool IsJSGlobalObject(); | 620 inline bool IsJSGlobalObject(); |
| 621 inline bool IsJSBuiltinsObject(); | 621 inline bool IsJSBuiltinsObject(); |
| 622 inline bool IsUndetectableObject(); | 622 inline bool IsUndetectableObject(); |
| 623 inline bool IsAccessCheckNeeded(); | 623 inline bool IsAccessCheckNeeded(); |
| 624 | 624 |
| 625 // Returns true if this object is an instance of the specified | 625 // Returns true if this object is an instance of the specified |
| 626 // function template. | 626 // function template. |
| 627 bool IsInstanceOf(FunctionTemplateInfo* type); | 627 bool IsInstanceOf(FunctionTemplateInfo* type); |
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| 1811 // Casting. | 1811 // Casting. |
| 1812 static inline SymbolTable* cast(Object* obj); | 1812 static inline SymbolTable* cast(Object* obj); |
| 1813 | 1813 |
| 1814 private: | 1814 private: |
| 1815 Object* LookupKey(HashTableKey* key, Object** s); | 1815 Object* LookupKey(HashTableKey* key, Object** s); |
| 1816 | 1816 |
| 1817 DISALLOW_IMPLICIT_CONSTRUCTORS(SymbolTable); | 1817 DISALLOW_IMPLICIT_CONSTRUCTORS(SymbolTable); |
| 1818 }; | 1818 }; |
| 1819 | 1819 |
| 1820 | 1820 |
| 1821 // EvalCache for caching eval'ed string and function. | 1821 class CompilationCacheTable: public HashTable<0, 2> { |
| 1822 // | |
| 1823 // The cache is cleaned up during a mark-compact GC. | |
| 1824 class EvalCache: public HashTable<0, 2> { | |
| 1825 public: | 1822 public: |
| 1826 // Find cached value for a string key, otherwise return null. | 1823 // Find cached value for a string key, otherwise return null. |
| 1827 Object* Lookup(String* src); | 1824 Object* Lookup(String* src); |
| 1828 Object* Put(String* src, Object* value); | 1825 Object* Put(String* src, Object* value); |
| 1829 | 1826 |
| 1830 static inline EvalCache* cast(Object* obj); | 1827 static inline CompilationCacheTable* cast(Object* obj); |
| 1831 | 1828 |
| 1832 private: | 1829 private: |
| 1833 DISALLOW_IMPLICIT_CONSTRUCTORS(EvalCache); | 1830 DISALLOW_IMPLICIT_CONSTRUCTORS(CompilationCacheTable); |
| 1834 }; | 1831 }; |
| 1835 | 1832 |
| 1836 | 1833 |
| 1837 // Dictionary for keeping properties and elements in slow case. | 1834 // Dictionary for keeping properties and elements in slow case. |
| 1838 // | 1835 // |
| 1839 // One element in the prefix is used for storing non-element | 1836 // One element in the prefix is used for storing non-element |
| 1840 // information about the dictionary. | 1837 // information about the dictionary. |
| 1841 // | 1838 // |
| 1842 // The rest of the array embeds triples of (key, value, details). | 1839 // The rest of the array embeds triples of (key, value, details). |
| 1843 // if key == undefined the triple is empty. | 1840 // if key == undefined the triple is empty. |
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| 3852 } else { | 3849 } else { |
| 3853 value &= ~(1 << bit_position); | 3850 value &= ~(1 << bit_position); |
| 3854 } | 3851 } |
| 3855 return value; | 3852 return value; |
| 3856 } | 3853 } |
| 3857 }; | 3854 }; |
| 3858 | 3855 |
| 3859 } } // namespace v8::internal | 3856 } } // namespace v8::internal |
| 3860 | 3857 |
| 3861 #endif // V8_OBJECTS_H_ | 3858 #endif // V8_OBJECTS_H_ |
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