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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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| 98 kVisitStruct9, | 98 kVisitStruct9, |
| 99 kVisitStructGeneric, | 99 kVisitStructGeneric, |
| 100 | 100 |
| 101 kVisitConsString, | 101 kVisitConsString, |
| 102 kVisitOddball, | 102 kVisitOddball, |
| 103 kVisitCode, | 103 kVisitCode, |
| 104 kVisitMap, | 104 kVisitMap, |
| 105 kVisitPropertyCell, | 105 kVisitPropertyCell, |
| 106 kVisitSharedFunctionInfo, | 106 kVisitSharedFunctionInfo, |
| 107 kVisitJSFunction, | 107 kVisitJSFunction, |
| 108 kVisitJSRegExp, | |
| 108 | 109 |
| 109 kVisitorIdCount, | 110 kVisitorIdCount, |
| 110 kMinObjectSizeInWords = 2 | 111 kMinObjectSizeInWords = 2 |
| 111 }; | 112 }; |
| 112 | 113 |
| 113 // Visitor ID should fit in one byte. | 114 // Visitor ID should fit in one byte. |
| 114 STATIC_ASSERT(kVisitorIdCount <= 256); | 115 STATIC_ASSERT(kVisitorIdCount <= 256); |
| 115 | 116 |
| 116 // Determine which specialized visitor should be used for given instance type | 117 // Determine which specialized visitor should be used for given instance type |
| 117 // and instance type. | 118 // and instance type. |
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| 293 Context::ScavengeBodyDescriptor, | 294 Context::ScavengeBodyDescriptor, |
| 294 int>::Visit); | 295 int>::Visit); |
| 295 | 296 |
| 296 table_.Register(kVisitByteArray, &VisitByteArray); | 297 table_.Register(kVisitByteArray, &VisitByteArray); |
| 297 | 298 |
| 298 table_.Register(kVisitSharedFunctionInfo, | 299 table_.Register(kVisitSharedFunctionInfo, |
| 299 &FixedBodyVisitor<StaticVisitor, | 300 &FixedBodyVisitor<StaticVisitor, |
| 300 SharedFunctionInfo::BodyDescriptor, | 301 SharedFunctionInfo::BodyDescriptor, |
| 301 int>::Visit); | 302 int>::Visit); |
| 302 | 303 |
| 304 table_.Register(kVisitJSRegExp, | |
|
Erik Corry
2011/06/30 18:48:25
Fits on one line.
Rico
2011/07/01 05:58:09
Done.
| |
| 305 &VisitJSRegExp); | |
| 306 | |
| 303 table_.Register(kVisitSeqAsciiString, &VisitSeqAsciiString); | 307 table_.Register(kVisitSeqAsciiString, &VisitSeqAsciiString); |
| 304 | 308 |
| 305 table_.Register(kVisitSeqTwoByteString, &VisitSeqTwoByteString); | 309 table_.Register(kVisitSeqTwoByteString, &VisitSeqTwoByteString); |
| 306 | 310 |
| 307 table_.Register(kVisitJSFunction, | 311 table_.Register(kVisitJSFunction, |
| 308 &JSObjectVisitor:: | 312 &JSObjectVisitor:: |
| 309 template VisitSpecialized<JSFunction::kSize>); | 313 template VisitSpecialized<JSFunction::kSize>); |
| 310 | 314 |
| 311 table_.RegisterSpecializations<DataObjectVisitor, | 315 table_.RegisterSpecializations<DataObjectVisitor, |
| 312 kVisitDataObject, | 316 kVisitDataObject, |
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| 335 static inline int VisitFixedDoubleArray(Map* map, HeapObject* object) { | 339 static inline int VisitFixedDoubleArray(Map* map, HeapObject* object) { |
| 336 int length = reinterpret_cast<FixedDoubleArray*>(object)->length(); | 340 int length = reinterpret_cast<FixedDoubleArray*>(object)->length(); |
| 337 return FixedDoubleArray::SizeFor(length); | 341 return FixedDoubleArray::SizeFor(length); |
| 338 } | 342 } |
| 339 | 343 |
| 340 static inline int VisitSeqAsciiString(Map* map, HeapObject* object) { | 344 static inline int VisitSeqAsciiString(Map* map, HeapObject* object) { |
| 341 return SeqAsciiString::cast(object)-> | 345 return SeqAsciiString::cast(object)-> |
| 342 SeqAsciiStringSize(map->instance_type()); | 346 SeqAsciiStringSize(map->instance_type()); |
| 343 } | 347 } |
| 344 | 348 |
| 349 static inline int VisitJSRegExp(Map* map, HeapObject* object) { | |
| 350 return JSObjectVisitor::Visit(map, object); | |
| 351 } | |
| 352 | |
| 345 static inline int VisitSeqTwoByteString(Map* map, HeapObject* object) { | 353 static inline int VisitSeqTwoByteString(Map* map, HeapObject* object) { |
| 346 return SeqTwoByteString::cast(object)-> | 354 return SeqTwoByteString::cast(object)-> |
| 347 SeqTwoByteStringSize(map->instance_type()); | 355 SeqTwoByteStringSize(map->instance_type()); |
| 348 } | 356 } |
| 349 | 357 |
| 350 class DataObjectVisitor { | 358 class DataObjectVisitor { |
| 351 public: | 359 public: |
| 352 template<int object_size> | 360 template<int object_size> |
| 353 static inline int VisitSpecialized(Map* map, HeapObject* object) { | 361 static inline int VisitSpecialized(Map* map, HeapObject* object) { |
| 354 return object_size; | 362 return object_size; |
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| 423 | 431 |
| 424 for (; !it.done(); it.next()) { | 432 for (; !it.done(); it.next()) { |
| 425 it.rinfo()->template Visit<StaticVisitor>(heap); | 433 it.rinfo()->template Visit<StaticVisitor>(heap); |
| 426 } | 434 } |
| 427 } | 435 } |
| 428 | 436 |
| 429 | 437 |
| 430 } } // namespace v8::internal | 438 } } // namespace v8::internal |
| 431 | 439 |
| 432 #endif // V8_OBJECTS_VISITING_H_ | 440 #endif // V8_OBJECTS_VISITING_H_ |
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