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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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557 bool Object::IsSymbolTable() { | 557 bool Object::IsSymbolTable() { |
558 return IsHashTable() && this == Heap::raw_unchecked_symbol_table(); | 558 return IsHashTable() && this == Heap::raw_unchecked_symbol_table(); |
559 } | 559 } |
560 | 560 |
561 | 561 |
562 bool Object::IsCompilationCacheTable() { | 562 bool Object::IsCompilationCacheTable() { |
563 return IsHashTable(); | 563 return IsHashTable(); |
564 } | 564 } |
565 | 565 |
566 | 566 |
| 567 bool Object::IsCodeCacheHashTable() { |
| 568 return IsHashTable(); |
| 569 } |
| 570 |
| 571 |
567 bool Object::IsMapCache() { | 572 bool Object::IsMapCache() { |
568 return IsHashTable(); | 573 return IsHashTable(); |
569 } | 574 } |
570 | 575 |
571 | 576 |
572 bool Object::IsPrimitive() { | 577 bool Object::IsPrimitive() { |
573 return IsOddball() || IsNumber() || IsString(); | 578 return IsOddball() || IsNumber() || IsString(); |
574 } | 579 } |
575 | 580 |
576 | 581 |
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1553 | 1558 |
1554 | 1559 |
1555 // ------------------------------------ | 1560 // ------------------------------------ |
1556 // Cast operations | 1561 // Cast operations |
1557 | 1562 |
1558 | 1563 |
1559 CAST_ACCESSOR(FixedArray) | 1564 CAST_ACCESSOR(FixedArray) |
1560 CAST_ACCESSOR(DescriptorArray) | 1565 CAST_ACCESSOR(DescriptorArray) |
1561 CAST_ACCESSOR(SymbolTable) | 1566 CAST_ACCESSOR(SymbolTable) |
1562 CAST_ACCESSOR(CompilationCacheTable) | 1567 CAST_ACCESSOR(CompilationCacheTable) |
| 1568 CAST_ACCESSOR(CodeCacheHashTable) |
1563 CAST_ACCESSOR(MapCache) | 1569 CAST_ACCESSOR(MapCache) |
1564 CAST_ACCESSOR(String) | 1570 CAST_ACCESSOR(String) |
1565 CAST_ACCESSOR(SeqString) | 1571 CAST_ACCESSOR(SeqString) |
1566 CAST_ACCESSOR(SeqAsciiString) | 1572 CAST_ACCESSOR(SeqAsciiString) |
1567 CAST_ACCESSOR(SeqTwoByteString) | 1573 CAST_ACCESSOR(SeqTwoByteString) |
1568 CAST_ACCESSOR(ConsString) | 1574 CAST_ACCESSOR(ConsString) |
1569 CAST_ACCESSOR(ExternalString) | 1575 CAST_ACCESSOR(ExternalString) |
1570 CAST_ACCESSOR(ExternalAsciiString) | 1576 CAST_ACCESSOR(ExternalAsciiString) |
1571 CAST_ACCESSOR(ExternalTwoByteString) | 1577 CAST_ACCESSOR(ExternalTwoByteString) |
1572 CAST_ACCESSOR(JSObject) | 1578 CAST_ACCESSOR(JSObject) |
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2245 | 2251 |
2246 void Map::set_prototype(Object* value, WriteBarrierMode mode) { | 2252 void Map::set_prototype(Object* value, WriteBarrierMode mode) { |
2247 ASSERT(value->IsNull() || value->IsJSObject()); | 2253 ASSERT(value->IsNull() || value->IsJSObject()); |
2248 WRITE_FIELD(this, kPrototypeOffset, value); | 2254 WRITE_FIELD(this, kPrototypeOffset, value); |
2249 CONDITIONAL_WRITE_BARRIER(this, kPrototypeOffset, mode); | 2255 CONDITIONAL_WRITE_BARRIER(this, kPrototypeOffset, mode); |
2250 } | 2256 } |
2251 | 2257 |
2252 | 2258 |
2253 ACCESSORS(Map, instance_descriptors, DescriptorArray, | 2259 ACCESSORS(Map, instance_descriptors, DescriptorArray, |
2254 kInstanceDescriptorsOffset) | 2260 kInstanceDescriptorsOffset) |
2255 ACCESSORS(Map, code_cache, FixedArray, kCodeCacheOffset) | 2261 ACCESSORS(Map, code_cache, Object, kCodeCacheOffset) |
2256 ACCESSORS(Map, constructor, Object, kConstructorOffset) | 2262 ACCESSORS(Map, constructor, Object, kConstructorOffset) |
2257 | 2263 |
2258 ACCESSORS(JSFunction, shared, SharedFunctionInfo, kSharedFunctionInfoOffset) | 2264 ACCESSORS(JSFunction, shared, SharedFunctionInfo, kSharedFunctionInfoOffset) |
2259 ACCESSORS(JSFunction, literals, FixedArray, kLiteralsOffset) | 2265 ACCESSORS(JSFunction, literals, FixedArray, kLiteralsOffset) |
2260 | 2266 |
2261 ACCESSORS(GlobalObject, builtins, JSBuiltinsObject, kBuiltinsOffset) | 2267 ACCESSORS(GlobalObject, builtins, JSBuiltinsObject, kBuiltinsOffset) |
2262 ACCESSORS(GlobalObject, global_context, Context, kGlobalContextOffset) | 2268 ACCESSORS(GlobalObject, global_context, Context, kGlobalContextOffset) |
2263 ACCESSORS(GlobalObject, global_receiver, JSObject, kGlobalReceiverOffset) | 2269 ACCESSORS(GlobalObject, global_receiver, JSObject, kGlobalReceiverOffset) |
2264 | 2270 |
2265 ACCESSORS(JSGlobalProxy, context, Object, kContextOffset) | 2271 ACCESSORS(JSGlobalProxy, context, Object, kContextOffset) |
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2383 kStartPositionAndTypeOffset) | 2389 kStartPositionAndTypeOffset) |
2384 INT_ACCESSORS(SharedFunctionInfo, end_position, kEndPositionOffset) | 2390 INT_ACCESSORS(SharedFunctionInfo, end_position, kEndPositionOffset) |
2385 INT_ACCESSORS(SharedFunctionInfo, function_token_position, | 2391 INT_ACCESSORS(SharedFunctionInfo, function_token_position, |
2386 kFunctionTokenPositionOffset) | 2392 kFunctionTokenPositionOffset) |
2387 INT_ACCESSORS(SharedFunctionInfo, compiler_hints, | 2393 INT_ACCESSORS(SharedFunctionInfo, compiler_hints, |
2388 kCompilerHintsOffset) | 2394 kCompilerHintsOffset) |
2389 INT_ACCESSORS(SharedFunctionInfo, this_property_assignments_count, | 2395 INT_ACCESSORS(SharedFunctionInfo, this_property_assignments_count, |
2390 kThisPropertyAssignmentsCountOffset) | 2396 kThisPropertyAssignmentsCountOffset) |
2391 | 2397 |
2392 | 2398 |
| 2399 ACCESSORS(CodeCache, default_cache, FixedArray, kDefaultCacheOffset) |
| 2400 ACCESSORS(CodeCache, normal_type_cache, Object, kNormalTypeCacheOffset) |
| 2401 |
2393 bool Script::HasValidSource() { | 2402 bool Script::HasValidSource() { |
2394 Object* src = this->source(); | 2403 Object* src = this->source(); |
2395 if (!src->IsString()) return true; | 2404 if (!src->IsString()) return true; |
2396 String* src_str = String::cast(src); | 2405 String* src_str = String::cast(src); |
2397 if (!StringShape(src_str).IsExternal()) return true; | 2406 if (!StringShape(src_str).IsExternal()) return true; |
2398 if (src_str->IsAsciiRepresentation()) { | 2407 if (src_str->IsAsciiRepresentation()) { |
2399 return ExternalAsciiString::cast(src)->resource() != NULL; | 2408 return ExternalAsciiString::cast(src)->resource() != NULL; |
2400 } else if (src_str->IsTwoByteRepresentation()) { | 2409 } else if (src_str->IsTwoByteRepresentation()) { |
2401 return ExternalTwoByteString::cast(src)->resource() != NULL; | 2410 return ExternalTwoByteString::cast(src)->resource() != NULL; |
2402 } | 2411 } |
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2983 FixedArray::set(index, key, mode); | 2992 FixedArray::set(index, key, mode); |
2984 FixedArray::set(index+1, value, mode); | 2993 FixedArray::set(index+1, value, mode); |
2985 FixedArray::fast_set(this, index+2, details.AsSmi()); | 2994 FixedArray::fast_set(this, index+2, details.AsSmi()); |
2986 } | 2995 } |
2987 | 2996 |
2988 | 2997 |
2989 void Map::ClearCodeCache() { | 2998 void Map::ClearCodeCache() { |
2990 // No write barrier is needed since empty_fixed_array is not in new space. | 2999 // No write barrier is needed since empty_fixed_array is not in new space. |
2991 // Please note this function is used during marking: | 3000 // Please note this function is used during marking: |
2992 // - MarkCompactCollector::MarkUnmarkedObject | 3001 // - MarkCompactCollector::MarkUnmarkedObject |
2993 ASSERT(!Heap::InNewSpace(Heap::raw_unchecked_empty_fixed_array())); | 3002 ASSERT(!Heap::InNewSpace(Heap::undefined_value())); |
2994 WRITE_FIELD(this, kCodeCacheOffset, Heap::raw_unchecked_empty_fixed_array()); | 3003 WRITE_FIELD(this, kCodeCacheOffset, Heap::undefined_value()); |
2995 } | 3004 } |
2996 | 3005 |
2997 | 3006 |
2998 void JSArray::EnsureSize(int required_size) { | 3007 void JSArray::EnsureSize(int required_size) { |
2999 ASSERT(HasFastElements()); | 3008 ASSERT(HasFastElements()); |
3000 Array* elts = elements(); | 3009 Array* elts = elements(); |
3001 const int kArraySizeThatFitsComfortablyInNewSpace = 128; | 3010 const int kArraySizeThatFitsComfortablyInNewSpace = 128; |
3002 if (elts->length() < required_size) { | 3011 if (elts->length() < required_size) { |
3003 // Doubling in size would be overkill, but leave some slack to avoid | 3012 // Doubling in size would be overkill, but leave some slack to avoid |
3004 // constantly growing. | 3013 // constantly growing. |
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3047 #undef WRITE_INT_FIELD | 3056 #undef WRITE_INT_FIELD |
3048 #undef READ_SHORT_FIELD | 3057 #undef READ_SHORT_FIELD |
3049 #undef WRITE_SHORT_FIELD | 3058 #undef WRITE_SHORT_FIELD |
3050 #undef READ_BYTE_FIELD | 3059 #undef READ_BYTE_FIELD |
3051 #undef WRITE_BYTE_FIELD | 3060 #undef WRITE_BYTE_FIELD |
3052 | 3061 |
3053 | 3062 |
3054 } } // namespace v8::internal | 3063 } } // namespace v8::internal |
3055 | 3064 |
3056 #endif // V8_OBJECTS_INL_H_ | 3065 #endif // V8_OBJECTS_INL_H_ |
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