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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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321 return this == Failure::Exception(); | 321 return this == Failure::Exception(); |
322 } | 322 } |
323 | 323 |
324 | 324 |
325 bool Object::IsJSObject() { | 325 bool Object::IsJSObject() { |
326 return IsHeapObject() | 326 return IsHeapObject() |
327 && HeapObject::cast(this)->map()->instance_type() >= FIRST_JS_OBJECT_TYPE; | 327 && HeapObject::cast(this)->map()->instance_type() >= FIRST_JS_OBJECT_TYPE; |
328 } | 328 } |
329 | 329 |
330 | 330 |
| 331 bool Object::IsJSContextExtensionObject() { |
| 332 return IsHeapObject() |
| 333 && (HeapObject::cast(this)->map()->instance_type() == |
| 334 JS_CONTEXT_EXTENSION_OBJECT_TYPE); |
| 335 } |
| 336 |
| 337 |
331 bool Object::IsMap() { | 338 bool Object::IsMap() { |
332 return Object::IsHeapObject() | 339 return Object::IsHeapObject() |
333 && HeapObject::cast(this)->map()->instance_type() == MAP_TYPE; | 340 && HeapObject::cast(this)->map()->instance_type() == MAP_TYPE; |
334 } | 341 } |
335 | 342 |
336 | 343 |
337 bool Object::IsFixedArray() { | 344 bool Object::IsFixedArray() { |
338 return Object::IsHeapObject() | 345 return Object::IsHeapObject() |
339 && HeapObject::cast(this)->map()->instance_type() == FIXED_ARRAY_TYPE; | 346 && HeapObject::cast(this)->map()->instance_type() == FIXED_ARRAY_TYPE; |
340 } | 347 } |
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1011 return JSBuiltinsObject::kSize; | 1018 return JSBuiltinsObject::kSize; |
1012 case JS_FUNCTION_TYPE: | 1019 case JS_FUNCTION_TYPE: |
1013 return JSFunction::kSize; | 1020 return JSFunction::kSize; |
1014 case JS_VALUE_TYPE: | 1021 case JS_VALUE_TYPE: |
1015 return JSValue::kSize; | 1022 return JSValue::kSize; |
1016 case JS_ARRAY_TYPE: | 1023 case JS_ARRAY_TYPE: |
1017 return JSValue::kSize; | 1024 return JSValue::kSize; |
1018 case JS_REGEXP_TYPE: | 1025 case JS_REGEXP_TYPE: |
1019 return JSValue::kSize; | 1026 return JSValue::kSize; |
1020 case JS_OBJECT_TYPE: | 1027 case JS_OBJECT_TYPE: |
| 1028 case JS_CONTEXT_EXTENSION_OBJECT_TYPE: |
1021 return JSObject::kHeaderSize; | 1029 return JSObject::kHeaderSize; |
1022 default: | 1030 default: |
1023 UNREACHABLE(); | 1031 UNREACHABLE(); |
1024 return 0; | 1032 return 0; |
1025 } | 1033 } |
1026 } | 1034 } |
1027 | 1035 |
1028 | 1036 |
1029 int JSObject::GetInternalFieldCount() { | 1037 int JSObject::GetInternalFieldCount() { |
1030 ASSERT(1 << kPointerSizeLog2 == kPointerSize); | 1038 ASSERT(1 << kPointerSizeLog2 == kPointerSize); |
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2486 #undef WRITE_INT_FIELD | 2494 #undef WRITE_INT_FIELD |
2487 #undef READ_SHORT_FIELD | 2495 #undef READ_SHORT_FIELD |
2488 #undef WRITE_SHORT_FIELD | 2496 #undef WRITE_SHORT_FIELD |
2489 #undef READ_BYTE_FIELD | 2497 #undef READ_BYTE_FIELD |
2490 #undef WRITE_BYTE_FIELD | 2498 #undef WRITE_BYTE_FIELD |
2491 | 2499 |
2492 | 2500 |
2493 } } // namespace v8::internal | 2501 } } // namespace v8::internal |
2494 | 2502 |
2495 #endif // V8_OBJECTS_INL_H_ | 2503 #endif // V8_OBJECTS_INL_H_ |
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