Get rid of HeapRootVisitor and make SlotVisitor less painful to use
[WebKit-https.git] / Source / JavaScriptCore / runtime / HashMapImpl.cpp
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25
26 #include "config.h"
27 #include "HashMapImpl.h"
28
29 #include "JSCInlines.h"
30
31 namespace JSC {
32
33 template<>
34 const ClassInfo HashMapBucket<HashMapBucketDataKey>::s_info =
35     { "HashMapBucket", nullptr, 0, CREATE_METHOD_TABLE(HashMapBucket<HashMapBucketDataKey>) };
36
37 template<>
38 const ClassInfo HashMapBucket<HashMapBucketDataKeyValue>::s_info =
39     { "HashMapBucket", nullptr, 0, CREATE_METHOD_TABLE(HashMapBucket<HashMapBucketDataKeyValue>) };
40
41 template <typename Data>
42 void HashMapBucket<Data>::visitChildren(JSCell* cell, SlotVisitor& visitor)
43 {
44     HashMapBucket* thisObject = jsCast<HashMapBucket*>(cell);
45     ASSERT_GC_OBJECT_INHERITS(thisObject, info());
46     Base::visitChildren(thisObject, visitor);
47
48     visitor.append(thisObject->m_next);
49     visitor.append(thisObject->m_prev);
50
51     static_assert(sizeof(Data) % sizeof(WriteBarrier<Unknown>) == 0, "We assume that these are filled with WriteBarrier<Unknown> members only.");
52     visitor.appendValues(bitwise_cast<WriteBarrier<Unknown>*>(&thisObject->m_data), sizeof(Data) / sizeof(WriteBarrier<Unknown>));
53 }
54
55 template<>
56 const ClassInfo HashMapImpl<HashMapBucket<HashMapBucketDataKey>>::s_info =
57     { "HashMapImpl", nullptr, 0, CREATE_METHOD_TABLE(HashMapImpl<HashMapBucket<HashMapBucketDataKey>>) };
58
59 template<>
60 const ClassInfo HashMapImpl<HashMapBucket<HashMapBucketDataKeyValue>>::s_info =
61     { "HashMapImpl", nullptr, 0, CREATE_METHOD_TABLE(HashMapImpl<HashMapBucket<HashMapBucketDataKeyValue>>) };
62
63 template <typename HashMapBucket>
64 void HashMapImpl<HashMapBucket>::visitChildren(JSCell* cell, SlotVisitor& visitor)
65 {
66     HashMapImpl* thisObject = jsCast<HashMapImpl*>(cell);
67     ASSERT_GC_OBJECT_INHERITS(thisObject, info());
68     Base::visitChildren(thisObject, visitor);
69
70     visitor.append(thisObject->m_head);
71     visitor.append(thisObject->m_tail);
72     
73     if (HashMapBufferType* buffer = thisObject->m_buffer.get())
74         visitor.markAuxiliary(buffer);
75 }
76
77 const ClassInfo* getHashMapBucketKeyClassInfo()
78 {
79     return &HashMapBucket<HashMapBucketDataKey>::s_info;
80 }
81 const ClassInfo* getHashMapBucketKeyValueClassInfo()
82 {
83     return &HashMapBucket<HashMapBucketDataKeyValue>::s_info;
84 }
85 const ClassInfo* getHashMapImplKeyClassInfo()
86 {
87     return &HashMapImpl<HashMapBucket<HashMapBucketDataKey>>::s_info;
88 }
89 const ClassInfo* getHashMapImplKeyValueClassInfo()
90 {
91     return &HashMapImpl<HashMapBucket<HashMapBucketDataKeyValue>>::s_info;
92 }
93
94 } // namespace JSC