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26 #ifndef V8PerIsolateData_h
27 #define V8PerIsolateData_h
29 #include "bindings/v8/ScopedPersistent.h"
30 #include "bindings/v8/UnsafePersistent.h"
31 #include "bindings/v8/V8HiddenValue.h"
32 #include "bindings/v8/WrapperTypeInfo.h"
33 #include "gin/public/gin_embedders.h"
34 #include "gin/public/isolate_holder.h"
36 #include "wtf/Forward.h"
37 #include "wtf/HashMap.h"
38 #include "wtf/OwnPtr.h"
39 #include "wtf/Vector.h"
46 class V8PerContextData;
47 struct WrapperTypeInfo;
49 class ExternalStringVisitor;
51 typedef WTF::Vector<DOMDataStore*> DOMDataStoreList;
53 class V8PerIsolateData {
55 static void ensureInitialized(v8::Isolate*);
56 static V8PerIsolateData* current()
58 return from(v8::Isolate::GetCurrent());
60 static V8PerIsolateData* from(v8::Isolate* isolate)
63 ASSERT(isolate->GetData(gin::kEmbedderBlink));
64 return static_cast<V8PerIsolateData*>(isolate->GetData(gin::kEmbedderBlink));
66 static void dispose(v8::Isolate*);
67 static v8::Isolate* mainThreadIsolate();
69 v8::Isolate* isolate() { return m_isolate; }
71 v8::Handle<v8::FunctionTemplate> toStringTemplate();
73 StringCache* stringCache() { return m_stringCache.get(); }
75 v8::Persistent<v8::Value>& ensureLiveRoot();
77 int recursionLevel() const { return m_recursionLevel; }
78 int incrementRecursionLevel() { return ++m_recursionLevel; }
79 int decrementRecursionLevel() { return --m_recursionLevel; }
81 bool performingMicrotaskCheckpoint() const { return m_performingMicrotaskCheckpoint; }
82 void setPerformingMicrotaskCheckpoint(bool performingMicrotaskCheckpoint) { m_performingMicrotaskCheckpoint = performingMicrotaskCheckpoint; }
85 int internalScriptRecursionLevel() const { return m_internalScriptRecursionLevel; }
86 int incrementInternalScriptRecursionLevel() { return ++m_internalScriptRecursionLevel; }
87 int decrementInternalScriptRecursionLevel() { return --m_internalScriptRecursionLevel; }
90 GCEventData* gcEventData() { return m_gcEventData.get(); }
91 V8HiddenValue* hiddenValue() { return m_hiddenValue.get(); }
93 v8::Handle<v8::FunctionTemplate> domTemplate(void* domTemplateKey, v8::FunctionCallback = 0, v8::Handle<v8::Value> data = v8::Handle<v8::Value>(), v8::Handle<v8::Signature> = v8::Handle<v8::Signature>(), int length = 0);
94 v8::Handle<v8::FunctionTemplate> existingDOMTemplate(void* domTemplateKey);
95 void setDOMTemplate(void* domTemplateKey, v8::Handle<v8::FunctionTemplate>);
97 bool hasInstance(const WrapperTypeInfo*, v8::Handle<v8::Value>);
98 v8::Handle<v8::Object> findInstanceInPrototypeChain(const WrapperTypeInfo*, v8::Handle<v8::Value>);
100 v8::Local<v8::Context> ensureRegexContext();
102 const char* previousSamplingState() const { return m_previousSamplingState; }
103 void setPreviousSamplingState(const char* name) { m_previousSamplingState = name; }
106 explicit V8PerIsolateData(v8::Isolate*);
109 typedef HashMap<const void*, v8::Eternal<v8::FunctionTemplate> > DOMTemplateMap;
110 DOMTemplateMap& currentDOMTemplateMap();
111 bool hasInstance(const WrapperTypeInfo*, v8::Handle<v8::Value>, DOMTemplateMap&);
112 v8::Handle<v8::Object> findInstanceInPrototypeChain(const WrapperTypeInfo*, v8::Handle<v8::Value>, DOMTemplateMap&);
114 v8::Isolate* m_isolate;
115 OwnPtr<gin::IsolateHolder> m_isolateHolder;
116 DOMTemplateMap m_domTemplateMapForMainWorld;
117 DOMTemplateMap m_domTemplateMapForNonMainWorld;
118 ScopedPersistent<v8::FunctionTemplate> m_toStringTemplate;
119 OwnPtr<StringCache> m_stringCache;
120 OwnPtr<V8HiddenValue> m_hiddenValue;
121 ScopedPersistent<v8::Value> m_liveRoot;
122 OwnPtr<V8PerContextData> m_perContextDataForRegex;
124 const char* m_previousSamplingState;
126 bool m_constructorMode;
127 friend class ConstructorMode;
129 int m_recursionLevel;
132 int m_internalScriptRecursionLevel;
134 OwnPtr<GCEventData> m_gcEventData;
135 bool m_performingMicrotaskCheckpoint;
138 } // namespace WebCore
140 #endif // V8PerIsolateData_h