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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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25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | 27 |
28 #ifndef V8_LIVEOBJECTLIST_INL_H_ | 28 #ifndef V8_LIVEOBJECTLIST_INL_H_ |
29 #define V8_LIVEOBJECTLIST_INL_H_ | 29 #define V8_LIVEOBJECTLIST_INL_H_ |
30 | 30 |
31 #include "v8.h" | 31 #include "v8.h" |
32 | 32 |
33 #include "liveobjectlist.h" | 33 #include "liveobjectlist.h" |
34 | 34 |
| 35 namespace v8 { |
| 36 namespace internal { |
| 37 |
| 38 #ifdef LIVE_OBJECT_LIST |
| 39 |
| 40 void LiveObjectList::GCEpilogue() { |
| 41 if (!NeedLOLProcessing()) return; |
| 42 GCEpiloguePrivate(); |
| 43 } |
| 44 |
| 45 |
| 46 void LiveObjectList::GCPrologue() { |
| 47 if (!NeedLOLProcessing()) return; |
| 48 #ifdef VERIFY_LOL |
| 49 if (FLAG_verify_lol) { |
| 50 Verify(); |
| 51 } |
| 52 #endif |
| 53 } |
| 54 |
| 55 |
| 56 void LiveObjectList::IterateElements(ObjectVisitor* v) { |
| 57 if (!NeedLOLProcessing()) return; |
| 58 IterateElementsPrivate(v); |
| 59 } |
| 60 |
| 61 |
| 62 void LiveObjectList::ProcessNonLive(HeapObject *obj) { |
| 63 // Only do work if we have at least one list to process. |
| 64 if (last()) DoProcessNonLive(obj); |
| 65 } |
| 66 |
| 67 |
| 68 void LiveObjectList::UpdateReferencesForScavengeGC() { |
| 69 if (LiveObjectList::NeedLOLProcessing()) { |
| 70 UpdateLiveObjectListVisitor update_visitor; |
| 71 LiveObjectList::IterateElements(&update_visitor); |
| 72 } |
| 73 } |
| 74 |
| 75 |
| 76 LiveObjectList* LiveObjectList::FindLolForId(int id, |
| 77 LiveObjectList* start_lol) { |
| 78 if (id != 0) { |
| 79 LiveObjectList* lol = start_lol; |
| 80 while (lol != NULL) { |
| 81 if (lol->id() == id) { |
| 82 return lol; |
| 83 } |
| 84 lol = lol->prev_; |
| 85 } |
| 86 } |
| 87 return NULL; |
| 88 } |
| 89 |
| 90 |
| 91 // Iterates the elements in every lol and returns the one that matches the |
| 92 // specified key. If no matching element is found, then it returns NULL. |
| 93 template <typename T> |
| 94 inline LiveObjectList::Element* |
| 95 LiveObjectList::FindElementFor(T (*GetValue)(LiveObjectList::Element*), T key) { |
| 96 LiveObjectList *lol = last(); |
| 97 while (lol != NULL) { |
| 98 Element* elements = lol->elements_; |
| 99 for (int i = 0; i < lol->obj_count_; i++) { |
| 100 Element* element = &elements[i]; |
| 101 if (GetValue(element) == key) { |
| 102 return element; |
| 103 } |
| 104 } |
| 105 lol = lol->prev_; |
| 106 } |
| 107 return NULL; |
| 108 } |
| 109 |
| 110 |
| 111 inline int LiveObjectList::GetElementId(LiveObjectList::Element* element) { |
| 112 return element->id_; |
| 113 } |
| 114 |
| 115 |
| 116 inline HeapObject* |
| 117 LiveObjectList::GetElementObj(LiveObjectList::Element* element) { |
| 118 return element->obj_; |
| 119 } |
| 120 |
| 121 #endif // LIVE_OBJECT_LIST |
| 122 |
| 123 } } // namespace v8::internal |
| 124 |
35 #endif // V8_LIVEOBJECTLIST_INL_H_ | 125 #endif // V8_LIVEOBJECTLIST_INL_H_ |
36 | 126 |
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