| /* |
| * Copyright (C) 2009 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef V8PerIsolateData_h |
| #define V8PerIsolateData_h |
| |
| #include "bindings/v8/ScopedPersistent.h" |
| #include "bindings/v8/UnsafePersistent.h" |
| #include "bindings/v8/WrapperTypeInfo.h" |
| #include <v8.h> |
| #include "wtf/Forward.h" |
| #include "wtf/HashMap.h" |
| #include "wtf/OwnPtr.h" |
| #include "wtf/Vector.h" |
| |
| namespace WebCore { |
| |
| class DOMDataStore; |
| class GCEventData; |
| class StringCache; |
| class V8HiddenPropertyName; |
| struct WrapperTypeInfo; |
| |
| class ExternalStringVisitor; |
| |
| typedef WTF::Vector<DOMDataStore*> DOMDataList; |
| |
| class V8PerIsolateData { |
| public: |
| static V8PerIsolateData* create(v8::Isolate*); |
| static void ensureInitialized(v8::Isolate*); |
| static V8PerIsolateData* current() |
| { |
| return from(v8::Isolate::GetCurrent()); |
| } |
| static V8PerIsolateData* from(v8::Isolate* isolate) |
| { |
| ASSERT(isolate); |
| ASSERT(isolate->GetData()); |
| return static_cast<V8PerIsolateData*>(isolate->GetData()); |
| } |
| static void dispose(v8::Isolate*); |
| |
| typedef HashMap<void*, UnsafePersistent<v8::FunctionTemplate> > TemplateMap; |
| |
| TemplateMap& rawTemplateMap(WrapperWorldType worldType) |
| { |
| if (worldType == MainWorld) |
| return m_rawTemplatesForMainWorld; |
| return m_rawTemplatesForNonMainWorld; |
| } |
| |
| TemplateMap& templateMap(WrapperWorldType worldType) |
| { |
| if (worldType == MainWorld) |
| return m_templatesForMainWorld; |
| return m_templatesForNonMainWorld; |
| } |
| |
| v8::Handle<v8::FunctionTemplate> toStringTemplate(); |
| v8::Handle<v8::FunctionTemplate> lazyEventListenerToStringTemplate() |
| { |
| return v8::Local<v8::FunctionTemplate>::New(m_isolate, m_lazyEventListenerToStringTemplate); |
| } |
| |
| StringCache* stringCache() { return m_stringCache.get(); } |
| |
| v8::Persistent<v8::Value>& ensureLiveRoot(); |
| |
| DOMDataList& allStores() { return m_domDataList; } |
| |
| V8HiddenPropertyName* hiddenPropertyName() { return m_hiddenPropertyName.get(); } |
| |
| void registerDOMDataStore(DOMDataStore* domDataStore) |
| { |
| ASSERT(m_domDataList.find(domDataStore) == kNotFound); |
| m_domDataList.append(domDataStore); |
| } |
| |
| void unregisterDOMDataStore(DOMDataStore* domDataStore) |
| { |
| ASSERT(m_domDataList.find(domDataStore) != kNotFound); |
| m_domDataList.remove(m_domDataList.find(domDataStore)); |
| } |
| |
| // DOMDataStore is owned outside V8PerIsolateData. |
| DOMDataStore* workerDOMDataStore() { return m_workerDomDataStore; } |
| void setWorkerDOMDataStore(DOMDataStore* store) { m_workerDomDataStore = store; } |
| |
| int recursionLevel() const { return m_recursionLevel; } |
| int incrementRecursionLevel() { return ++m_recursionLevel; } |
| int decrementRecursionLevel() { return --m_recursionLevel; } |
| |
| #ifndef NDEBUG |
| int internalScriptRecursionLevel() const { return m_internalScriptRecursionLevel; } |
| int incrementInternalScriptRecursionLevel() { return ++m_internalScriptRecursionLevel; } |
| int decrementInternalScriptRecursionLevel() { return --m_internalScriptRecursionLevel; } |
| #endif |
| |
| GCEventData* gcEventData() { return m_gcEventData.get(); } |
| |
| // Gives the system a hint that we should request garbage collection |
| // upon the next close or navigation event, because some expensive |
| // objects have been allocated that we want to take every opportunity |
| // to collect. |
| void setShouldCollectGarbageSoon() { m_shouldCollectGarbageSoon = true; } |
| void clearShouldCollectGarbageSoon() { m_shouldCollectGarbageSoon = false; } |
| bool shouldCollectGarbageSoon() const { return m_shouldCollectGarbageSoon; } |
| |
| v8::Handle<v8::FunctionTemplate> privateTemplate(WrapperWorldType, void* privatePointer, v8::FunctionCallback = 0, v8::Handle<v8::Value> data = v8::Handle<v8::Value>(), v8::Handle<v8::Signature> = v8::Handle<v8::Signature>(), int length = 0); |
| v8::Handle<v8::FunctionTemplate> privateTemplateIfExists(WrapperWorldType, void* privatePointer); |
| void setPrivateTemplate(WrapperWorldType, void* privatePointer, v8::Handle<v8::FunctionTemplate>); |
| |
| v8::Handle<v8::FunctionTemplate> rawTemplate(WrapperTypeInfo*, WrapperWorldType); |
| |
| bool hasInstance(WrapperTypeInfo*, v8::Handle<v8::Value>, WrapperWorldType); |
| |
| v8::Local<v8::Context> ensureRegexContext(); |
| |
| const char* previousSamplingState() const { return m_previousSamplingState; } |
| void setPreviousSamplingState(const char* name) { m_previousSamplingState = name; } |
| |
| private: |
| explicit V8PerIsolateData(v8::Isolate*); |
| ~V8PerIsolateData(); |
| static void constructorOfToString(const v8::FunctionCallbackInfo<v8::Value>&); |
| |
| v8::Isolate* m_isolate; |
| TemplateMap m_rawTemplatesForMainWorld; |
| TemplateMap m_rawTemplatesForNonMainWorld; |
| TemplateMap m_templatesForMainWorld; |
| TemplateMap m_templatesForNonMainWorld; |
| ScopedPersistent<v8::FunctionTemplate> m_toStringTemplate; |
| v8::Persistent<v8::FunctionTemplate> m_lazyEventListenerToStringTemplate; |
| OwnPtr<StringCache> m_stringCache; |
| |
| Vector<DOMDataStore*> m_domDataList; |
| DOMDataStore* m_workerDomDataStore; |
| |
| OwnPtr<V8HiddenPropertyName> m_hiddenPropertyName; |
| ScopedPersistent<v8::Value> m_liveRoot; |
| ScopedPersistent<v8::Context> m_regexContext; |
| |
| const char* m_previousSamplingState; |
| |
| bool m_constructorMode; |
| friend class ConstructorMode; |
| |
| int m_recursionLevel; |
| |
| #ifndef NDEBUG |
| int m_internalScriptRecursionLevel; |
| #endif |
| OwnPtr<GCEventData> m_gcEventData; |
| bool m_shouldCollectGarbageSoon; |
| }; |
| |
| } // namespace WebCore |
| |
| #endif // V8PerIsolateData_h |