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| 1 /* | |
| 2 * Copyright (C) 2009 Google Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions | |
| 6 * are met: | |
| 7 * 1. Redistributions of source code must retain the above copyright | |
| 8 * notice, this list of conditions and the following disclaimer. | |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer in the | |
| 11 * documentation and/or other materials provided with the distribution. | |
| 12 * | |
| 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 | |
| 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
| 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
| 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
| 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
| 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF | |
| 23 * THE POSSIBILITY OF SUCH DAMAGE. | |
| 24 */ | |
| 25 | |
| 26 #ifndef V8PerIsolateData_h | |
| 27 #define V8PerIsolateData_h | |
| 28 | |
| 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" | |
| 35 #include <v8.h> | |
| 36 #include "wtf/Forward.h" | |
| 37 #include "wtf/HashMap.h" | |
| 38 #include "wtf/OwnPtr.h" | |
| 39 #include "wtf/Vector.h" | |
| 40 | |
| 41 namespace WebCore { | |
| 42 | |
| 43 class DOMDataStore; | |
| 44 class GCEventData; | |
| 45 class StringCache; | |
| 46 struct WrapperTypeInfo; | |
| 47 | |
| 48 class ExternalStringVisitor; | |
| 49 | |
| 50 typedef WTF::Vector<DOMDataStore*> DOMDataStoreList; | |
| 51 | |
| 52 class V8PerIsolateData { | |
| 53 public: | |
| 54 static void ensureInitialized(v8::Isolate*); | |
| 55 static V8PerIsolateData* from(v8::Isolate* isolate) | |
| 56 { | |
| 57 ASSERT(isolate); | |
| 58 ASSERT(isolate->GetData(gin::kEmbedderBlink)); | |
| 59 return static_cast<V8PerIsolateData*>(isolate->GetData(gin::kEmbedderBli
nk)); | |
| 60 } | |
| 61 static void dispose(v8::Isolate*); | |
| 62 static v8::Isolate* mainThreadIsolate(); | |
| 63 | |
| 64 v8::Isolate* isolate() { return m_isolate; } | |
| 65 | |
| 66 v8::Handle<v8::FunctionTemplate> toStringTemplate(); | |
| 67 | |
| 68 StringCache* stringCache() { return m_stringCache.get(); } | |
| 69 | |
| 70 v8::Persistent<v8::Value>& ensureLiveRoot(); | |
| 71 | |
| 72 int recursionLevel() const { return m_recursionLevel; } | |
| 73 int incrementRecursionLevel() { return ++m_recursionLevel; } | |
| 74 int decrementRecursionLevel() { return --m_recursionLevel; } | |
| 75 | |
| 76 bool performingMicrotaskCheckpoint() const { return m_performingMicrotaskChe
ckpoint; } | |
| 77 void setPerformingMicrotaskCheckpoint(bool performingMicrotaskCheckpoint) {
m_performingMicrotaskCheckpoint = performingMicrotaskCheckpoint; } | |
| 78 | |
| 79 #ifndef NDEBUG | |
| 80 int internalScriptRecursionLevel() const { return m_internalScriptRecursionL
evel; } | |
| 81 int incrementInternalScriptRecursionLevel() { return ++m_internalScriptRecur
sionLevel; } | |
| 82 int decrementInternalScriptRecursionLevel() { return --m_internalScriptRecur
sionLevel; } | |
| 83 #endif | |
| 84 | |
| 85 GCEventData* gcEventData() { return m_gcEventData.get(); } | |
| 86 V8HiddenValue* hiddenValue() { return m_hiddenValue.get(); } | |
| 87 | |
| 88 v8::Handle<v8::FunctionTemplate> domTemplate(void* domTemplateKey, v8::Funct
ionCallback = 0, v8::Handle<v8::Value> data = v8::Handle<v8::Value>(), v8::Handl
e<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>); | |
| 91 | |
| 92 bool hasInstance(const WrapperTypeInfo*, v8::Handle<v8::Value>); | |
| 93 v8::Handle<v8::Object> findInstanceInPrototypeChain(const WrapperTypeInfo*,
v8::Handle<v8::Value>); | |
| 94 | |
| 95 v8::Local<v8::Context> ensureScriptRegexpContext(); | |
| 96 | |
| 97 const char* previousSamplingState() const { return m_previousSamplingState;
} | |
| 98 void setPreviousSamplingState(const char* name) { m_previousSamplingState =
name; } | |
| 99 | |
| 100 private: | |
| 101 explicit V8PerIsolateData(v8::Isolate*); | |
| 102 ~V8PerIsolateData(); | |
| 103 | |
| 104 typedef HashMap<const void*, v8::Eternal<v8::FunctionTemplate> > DOMTemplate
Map; | |
| 105 DOMTemplateMap& currentDOMTemplateMap(); | |
| 106 bool hasInstance(const WrapperTypeInfo*, v8::Handle<v8::Value>, DOMTemplateM
ap&); | |
| 107 v8::Handle<v8::Object> findInstanceInPrototypeChain(const WrapperTypeInfo*,
v8::Handle<v8::Value>, DOMTemplateMap&); | |
| 108 | |
| 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; | |
| 118 | |
| 119 const char* m_previousSamplingState; | |
| 120 | |
| 121 bool m_constructorMode; | |
| 122 friend class ConstructorMode; | |
| 123 | |
| 124 int m_recursionLevel; | |
| 125 | |
| 126 #ifndef NDEBUG | |
| 127 int m_internalScriptRecursionLevel; | |
| 128 #endif | |
| 129 OwnPtr<GCEventData> m_gcEventData; | |
| 130 bool m_performingMicrotaskCheckpoint; | |
| 131 }; | |
| 132 | |
| 133 } // namespace WebCore | |
| 134 | |
| 135 #endif // V8PerIsolateData_h | |
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