2 * Copyright (C) 2009 Google Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
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13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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26 #ifndef V8PerIsolateData_h
27 #define V8PerIsolateData_h
29 #include "bindings/v8/ScopedPersistent.h"
30 #include "bindings/v8/ScriptState.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 struct WrapperTypeInfo;
48 class ExternalStringVisitor;
50 typedef WTF::Vector<DOMDataStore*> DOMDataStoreList;
52 class V8PerIsolateData {
54 static void ensureInitialized(v8::Isolate*);
55 static V8PerIsolateData* from(v8::Isolate* isolate)
58 ASSERT(isolate->GetData(gin::kEmbedderBlink));
59 return static_cast<V8PerIsolateData*>(isolate->GetData(gin::kEmbedderBlink));
61 static void dispose(v8::Isolate*);
62 static v8::Isolate* mainThreadIsolate();
64 v8::Isolate* isolate() { return m_isolate; }
66 v8::Handle<v8::FunctionTemplate> toStringTemplate();
68 StringCache* stringCache() { return m_stringCache.get(); }
70 v8::Persistent<v8::Value>& ensureLiveRoot();
72 int recursionLevel() const { return m_recursionLevel; }
73 int incrementRecursionLevel() { return ++m_recursionLevel; }
74 int decrementRecursionLevel() { return --m_recursionLevel; }
76 bool performingMicrotaskCheckpoint() const { return m_performingMicrotaskCheckpoint; }
77 void setPerformingMicrotaskCheckpoint(bool performingMicrotaskCheckpoint) { m_performingMicrotaskCheckpoint = performingMicrotaskCheckpoint; }
80 int internalScriptRecursionLevel() const { return m_internalScriptRecursionLevel; }
81 int incrementInternalScriptRecursionLevel() { return ++m_internalScriptRecursionLevel; }
82 int decrementInternalScriptRecursionLevel() { return --m_internalScriptRecursionLevel; }
85 GCEventData* gcEventData() { return m_gcEventData.get(); }
86 V8HiddenValue* hiddenValue() { return m_hiddenValue.get(); }
88 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);
89 v8::Handle<v8::FunctionTemplate> existingDOMTemplate(void* domTemplateKey);
90 void setDOMTemplate(void* domTemplateKey, v8::Handle<v8::FunctionTemplate>);
92 bool hasInstance(const WrapperTypeInfo*, v8::Handle<v8::Value>);
93 v8::Handle<v8::Object> findInstanceInPrototypeChain(const WrapperTypeInfo*, v8::Handle<v8::Value>);
95 v8::Local<v8::Context> ensureScriptRegexpContext();
97 const char* previousSamplingState() const { return m_previousSamplingState; }
98 void setPreviousSamplingState(const char* name) { m_previousSamplingState = name; }
101 explicit V8PerIsolateData(v8::Isolate*);
104 typedef HashMap<const void*, v8::Eternal<v8::FunctionTemplate> > DOMTemplateMap;
105 DOMTemplateMap& currentDOMTemplateMap();
106 bool hasInstance(const WrapperTypeInfo*, v8::Handle<v8::Value>, DOMTemplateMap&);
107 v8::Handle<v8::Object> findInstanceInPrototypeChain(const WrapperTypeInfo*, v8::Handle<v8::Value>, DOMTemplateMap&);
109 v8::Isolate* m_isolate;
110 OwnPtr<gin::IsolateHolder> m_isolateHolder;
111 DOMTemplateMap m_domTemplateMapForMainWorld;
112 DOMTemplateMap m_domTemplateMapForNonMainWorld;
113 ScopedPersistent<v8::FunctionTemplate> m_toStringTemplate;
114 OwnPtr<StringCache> m_stringCache;
115 OwnPtr<V8HiddenValue> m_hiddenValue;
116 ScopedPersistent<v8::Value> m_liveRoot;
117 RefPtr<ScriptState> m_scriptRegexpScriptState;
119 const char* m_previousSamplingState;
121 bool m_constructorMode;
122 friend class ConstructorMode;
124 int m_recursionLevel;
127 int m_internalScriptRecursionLevel;
129 OwnPtr<GCEventData> m_gcEventData;
130 bool m_performingMicrotaskCheckpoint;
133 } // namespace WebCore
135 #endif // V8PerIsolateData_h