OLD | NEW |
1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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 |
(...skipping 77 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
88 V(Oddball) \ | 88 V(Oddball) \ |
89 V(Code) \ | 89 V(Code) \ |
90 V(Map) \ | 90 V(Map) \ |
91 V(Cell) \ | 91 V(Cell) \ |
92 V(PropertyCell) \ | 92 V(PropertyCell) \ |
93 V(SharedFunctionInfo) \ | 93 V(SharedFunctionInfo) \ |
94 V(JSFunction) \ | 94 V(JSFunction) \ |
95 V(JSWeakMap) \ | 95 V(JSWeakMap) \ |
96 V(JSArrayBuffer) \ | 96 V(JSArrayBuffer) \ |
97 V(JSTypedArray) \ | 97 V(JSTypedArray) \ |
| 98 V(JSDataView) \ |
98 V(JSRegExp) | 99 V(JSRegExp) |
99 | 100 |
100 // For data objects, JS objects and structs along with generic visitor which | 101 // For data objects, JS objects and structs along with generic visitor which |
101 // can visit object of any size we provide visitors specialized by | 102 // can visit object of any size we provide visitors specialized by |
102 // object size in words. | 103 // object size in words. |
103 // Ids of specialized visitors are declared in a linear order (without | 104 // Ids of specialized visitors are declared in a linear order (without |
104 // holes) starting from the id of visitor specialized for 2 words objects | 105 // holes) starting from the id of visitor specialized for 2 words objects |
105 // (base visitor id) and ending with the id of generic visitor. | 106 // (base visitor id) and ending with the id of generic visitor. |
106 // Method GetVisitorIdForSize depends on this ordering to calculate visitor | 107 // Method GetVisitorIdForSize depends on this ordering to calculate visitor |
107 // id of specialized visitor from given instance size, base visitor id and | 108 // id of specialized visitor from given instance size, base visitor id and |
(...skipping 223 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
331 return SeqTwoByteString::cast(object)-> | 332 return SeqTwoByteString::cast(object)-> |
332 SeqTwoByteStringSize(map->instance_type()); | 333 SeqTwoByteStringSize(map->instance_type()); |
333 } | 334 } |
334 | 335 |
335 INLINE(static int VisitFreeSpace(Map* map, HeapObject* object)) { | 336 INLINE(static int VisitFreeSpace(Map* map, HeapObject* object)) { |
336 return FreeSpace::cast(object)->Size(); | 337 return FreeSpace::cast(object)->Size(); |
337 } | 338 } |
338 | 339 |
339 INLINE(static int VisitJSArrayBuffer(Map* map, HeapObject* object)); | 340 INLINE(static int VisitJSArrayBuffer(Map* map, HeapObject* object)); |
340 INLINE(static int VisitJSTypedArray(Map* map, HeapObject* object)); | 341 INLINE(static int VisitJSTypedArray(Map* map, HeapObject* object)); |
| 342 INLINE(static int VisitJSDataView(Map* map, HeapObject* object)); |
341 | 343 |
342 class DataObjectVisitor { | 344 class DataObjectVisitor { |
343 public: | 345 public: |
344 template<int object_size> | 346 template<int object_size> |
345 static inline int VisitSpecialized(Map* map, HeapObject* object) { | 347 static inline int VisitSpecialized(Map* map, HeapObject* object) { |
346 return object_size; | 348 return object_size; |
347 } | 349 } |
348 | 350 |
349 INLINE(static int Visit(Map* map, HeapObject* object)) { | 351 INLINE(static int Visit(Map* map, HeapObject* object)) { |
350 return map->instance_size(); | 352 return map->instance_size(); |
(...skipping 57 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
408 static void MarkInlinedFunctionsCode(Heap* heap, Code* code); | 410 static void MarkInlinedFunctionsCode(Heap* heap, Code* code); |
409 | 411 |
410 protected: | 412 protected: |
411 INLINE(static void VisitMap(Map* map, HeapObject* object)); | 413 INLINE(static void VisitMap(Map* map, HeapObject* object)); |
412 INLINE(static void VisitCode(Map* map, HeapObject* object)); | 414 INLINE(static void VisitCode(Map* map, HeapObject* object)); |
413 INLINE(static void VisitSharedFunctionInfo(Map* map, HeapObject* object)); | 415 INLINE(static void VisitSharedFunctionInfo(Map* map, HeapObject* object)); |
414 INLINE(static void VisitJSFunction(Map* map, HeapObject* object)); | 416 INLINE(static void VisitJSFunction(Map* map, HeapObject* object)); |
415 INLINE(static void VisitJSRegExp(Map* map, HeapObject* object)); | 417 INLINE(static void VisitJSRegExp(Map* map, HeapObject* object)); |
416 INLINE(static void VisitJSArrayBuffer(Map* map, HeapObject* object)); | 418 INLINE(static void VisitJSArrayBuffer(Map* map, HeapObject* object)); |
417 INLINE(static void VisitJSTypedArray(Map* map, HeapObject* object)); | 419 INLINE(static void VisitJSTypedArray(Map* map, HeapObject* object)); |
| 420 INLINE(static void VisitJSDataView(Map* map, HeapObject* object)); |
418 INLINE(static void VisitNativeContext(Map* map, HeapObject* object)); | 421 INLINE(static void VisitNativeContext(Map* map, HeapObject* object)); |
419 | 422 |
420 // Mark pointers in a Map and its TransitionArray together, possibly | 423 // Mark pointers in a Map and its TransitionArray together, possibly |
421 // treating transitions or back pointers weak. | 424 // treating transitions or back pointers weak. |
422 static void MarkMapContents(Heap* heap, Map* map); | 425 static void MarkMapContents(Heap* heap, Map* map); |
423 static void MarkTransitionArray(Heap* heap, TransitionArray* transitions); | 426 static void MarkTransitionArray(Heap* heap, TransitionArray* transitions); |
424 | 427 |
425 // Code flushing support. | 428 // Code flushing support. |
426 INLINE(static bool IsFlushable(Heap* heap, JSFunction* function)); | 429 INLINE(static bool IsFlushable(Heap* heap, JSFunction* function)); |
427 INLINE(static bool IsFlushable(Heap* heap, SharedFunctionInfo* shared_info)); | 430 INLINE(static bool IsFlushable(Heap* heap, SharedFunctionInfo* shared_info)); |
(...skipping 34 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
462 | 465 |
463 | 466 |
464 template<typename StaticVisitor> | 467 template<typename StaticVisitor> |
465 VisitorDispatchTable<typename StaticMarkingVisitor<StaticVisitor>::Callback> | 468 VisitorDispatchTable<typename StaticMarkingVisitor<StaticVisitor>::Callback> |
466 StaticMarkingVisitor<StaticVisitor>::table_; | 469 StaticMarkingVisitor<StaticVisitor>::table_; |
467 | 470 |
468 | 471 |
469 } } // namespace v8::internal | 472 } } // namespace v8::internal |
470 | 473 |
471 #endif // V8_OBJECTS_VISITING_H_ | 474 #endif // V8_OBJECTS_VISITING_H_ |
OLD | NEW |