diff options
Diffstat (limited to 'fxjs/cfxjs_engine.cpp')
| -rw-r--r-- | fxjs/cfxjs_engine.cpp | 581 |
1 files changed, 581 insertions, 0 deletions
diff --git a/fxjs/cfxjs_engine.cpp b/fxjs/cfxjs_engine.cpp new file mode 100644 index 0000000000..c773a16324 --- /dev/null +++ b/fxjs/cfxjs_engine.cpp @@ -0,0 +1,581 @@ +// Copyright 2014 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#include "fxjs/cfxjs_engine.h" + +#include <memory> +#include <utility> +#include <vector> + +#include "fxjs/cfxjse_runtimedata.h" +#include "fxjs/cjs_object.h" + +// Keep this consistent with the values defined in gin/public/context_holder.h +// (without actually requiring a dependency on gin itself for the standalone +// embedders of PDFIum). The value we want to use is: +// kPerContextDataStartIndex + kEmbedderPDFium, which is 3. +static const unsigned int kPerContextDataIndex = 3u; +static unsigned int g_embedderDataSlot = 1u; +static v8::Isolate* g_isolate = nullptr; +static size_t g_isolate_ref_count = 0; +static CFX_V8ArrayBufferAllocator* g_arrayBufferAllocator = nullptr; +static v8::Global<v8::ObjectTemplate>* g_DefaultGlobalObjectTemplate = nullptr; +static wchar_t kPerObjectDataTag[] = L"CFXJS_PerObjectData"; + +// Global weak map to save dynamic objects. +class V8TemplateMapTraits : public v8::StdMapTraits<void*, v8::Object> { + public: + typedef v8::GlobalValueMap<void*, v8::Object, V8TemplateMapTraits> MapType; + typedef void WeakCallbackDataType; + + static WeakCallbackDataType* + WeakCallbackParameter(MapType* map, void* key, v8::Local<v8::Object> value) { + return key; + } + static MapType* MapFromWeakCallbackInfo( + const v8::WeakCallbackInfo<WeakCallbackDataType>&); + + static void* KeyFromWeakCallbackInfo( + const v8::WeakCallbackInfo<WeakCallbackDataType>& data) { + return data.GetParameter(); + } + static const v8::PersistentContainerCallbackType kCallbackType = + v8::kWeakWithInternalFields; + static void DisposeWeak( + const v8::WeakCallbackInfo<WeakCallbackDataType>& data) {} + static void OnWeakCallback( + const v8::WeakCallbackInfo<WeakCallbackDataType>& data) {} + static void Dispose(v8::Isolate* isolate, + v8::Global<v8::Object> value, + void* key); + static void DisposeCallbackData(WeakCallbackDataType* callbackData) {} +}; + +class V8TemplateMap { + public: + typedef v8::GlobalValueMap<void*, v8::Object, V8TemplateMapTraits> MapType; + + explicit V8TemplateMap(v8::Isolate* isolate); + ~V8TemplateMap(); + + void set(void* key, v8::Local<v8::Object> handle); + + friend class V8TemplateMapTraits; + + private: + MapType m_map; +}; + +class CFXJS_PerObjectData { + public: + explicit CFXJS_PerObjectData(int nObjDefID) : m_ObjDefID(nObjDefID) {} + + ~CFXJS_PerObjectData() = default; + + static void SetInObject(CFXJS_PerObjectData* pData, + v8::Local<v8::Object> pObj) { + if (pObj->InternalFieldCount() == 2) { + pObj->SetAlignedPointerInInternalField(0, pData); + pObj->SetAlignedPointerInInternalField( + 1, static_cast<void*>(kPerObjectDataTag)); + } + } + + static CFXJS_PerObjectData* GetFromObject(v8::Local<v8::Object> pObj) { + if (pObj.IsEmpty() || pObj->InternalFieldCount() != 2 || + pObj->GetAlignedPointerFromInternalField(1) != + static_cast<void*>(kPerObjectDataTag)) { + return nullptr; + } + return static_cast<CFXJS_PerObjectData*>( + pObj->GetAlignedPointerFromInternalField(0)); + } + + const int m_ObjDefID; + std::unique_ptr<CJS_Object> m_pPrivate; +}; + +class CFXJS_ObjDefinition { + public: + static int MaxID(v8::Isolate* pIsolate) { + return FXJS_PerIsolateData::Get(pIsolate)->m_ObjectDefnArray.size(); + } + + static CFXJS_ObjDefinition* ForID(v8::Isolate* pIsolate, int id) { + // Note: GetAt() halts if out-of-range even in release builds. + return FXJS_PerIsolateData::Get(pIsolate)->m_ObjectDefnArray[id].get(); + } + + CFXJS_ObjDefinition(v8::Isolate* isolate, + const char* sObjName, + FXJSOBJTYPE eObjType, + CFXJS_Engine::Constructor pConstructor, + CFXJS_Engine::Destructor pDestructor) + : m_ObjName(sObjName), + m_ObjType(eObjType), + m_pConstructor(pConstructor), + m_pDestructor(pDestructor), + m_pIsolate(isolate) { + v8::Isolate::Scope isolate_scope(isolate); + v8::HandleScope handle_scope(isolate); + + v8::Local<v8::FunctionTemplate> fun = v8::FunctionTemplate::New(isolate); + fun->InstanceTemplate()->SetInternalFieldCount(2); + fun->SetCallHandler([](const v8::FunctionCallbackInfo<v8::Value>& info) { + v8::Local<v8::Object> holder = info.Holder(); + ASSERT(holder->InternalFieldCount() == 2); + holder->SetAlignedPointerInInternalField(0, nullptr); + holder->SetAlignedPointerInInternalField(1, nullptr); + }); + if (eObjType == FXJSOBJTYPE_GLOBAL) { + fun->InstanceTemplate()->Set( + v8::Symbol::GetToStringTag(isolate), + v8::String::NewFromUtf8(isolate, "global", v8::NewStringType::kNormal) + .ToLocalChecked()); + } + m_FunctionTemplate.Reset(isolate, fun); + + v8::Local<v8::Signature> sig = v8::Signature::New(isolate, fun); + m_Signature.Reset(isolate, sig); + } + + int AssignID() { + FXJS_PerIsolateData* pData = FXJS_PerIsolateData::Get(m_pIsolate); + pData->m_ObjectDefnArray.emplace_back(this); + return pData->m_ObjectDefnArray.size() - 1; + } + + v8::Local<v8::ObjectTemplate> GetInstanceTemplate() { + v8::EscapableHandleScope scope(m_pIsolate); + v8::Local<v8::FunctionTemplate> function = + m_FunctionTemplate.Get(m_pIsolate); + return scope.Escape(function->InstanceTemplate()); + } + + v8::Local<v8::Signature> GetSignature() { + v8::EscapableHandleScope scope(m_pIsolate); + return scope.Escape(m_Signature.Get(m_pIsolate)); + } + + const char* const m_ObjName; + const FXJSOBJTYPE m_ObjType; + const CFXJS_Engine::Constructor m_pConstructor; + const CFXJS_Engine::Destructor m_pDestructor; + + v8::Isolate* m_pIsolate; + v8::Global<v8::FunctionTemplate> m_FunctionTemplate; + v8::Global<v8::Signature> m_Signature; +}; + +static v8::Local<v8::ObjectTemplate> GetGlobalObjectTemplate( + v8::Isolate* pIsolate) { + int maxID = CFXJS_ObjDefinition::MaxID(pIsolate); + for (int i = 0; i < maxID; ++i) { + CFXJS_ObjDefinition* pObjDef = CFXJS_ObjDefinition::ForID(pIsolate, i); + if (pObjDef->m_ObjType == FXJSOBJTYPE_GLOBAL) + return pObjDef->GetInstanceTemplate(); + } + if (!g_DefaultGlobalObjectTemplate) { + v8::Local<v8::ObjectTemplate> hGlobalTemplate = + v8::ObjectTemplate::New(pIsolate); + hGlobalTemplate->Set( + v8::Symbol::GetToStringTag(pIsolate), + v8::String::NewFromUtf8(pIsolate, "global", v8::NewStringType::kNormal) + .ToLocalChecked()); + g_DefaultGlobalObjectTemplate = + new v8::Global<v8::ObjectTemplate>(pIsolate, hGlobalTemplate); + } + return g_DefaultGlobalObjectTemplate->Get(pIsolate); +} + +void V8TemplateMapTraits::Dispose(v8::Isolate* isolate, + v8::Global<v8::Object> value, + void* key) { + v8::Local<v8::Object> obj = value.Get(isolate); + if (obj.IsEmpty()) + return; + int id = CFXJS_Engine::GetObjDefnID(obj); + if (id == -1) + return; + CFXJS_ObjDefinition* pObjDef = CFXJS_ObjDefinition::ForID(isolate, id); + if (!pObjDef) + return; + if (pObjDef->m_pDestructor) + pObjDef->m_pDestructor(obj); + CFXJS_Engine::FreeObjectPrivate(obj); +} + +V8TemplateMapTraits::MapType* V8TemplateMapTraits::MapFromWeakCallbackInfo( + const v8::WeakCallbackInfo<WeakCallbackDataType>& data) { + V8TemplateMap* pMap = + (FXJS_PerIsolateData::Get(data.GetIsolate()))->m_pDynamicObjsMap.get(); + return pMap ? &pMap->m_map : nullptr; +} + +void FXJS_Initialize(unsigned int embedderDataSlot, v8::Isolate* pIsolate) { + if (g_isolate) { + ASSERT(g_embedderDataSlot == embedderDataSlot); + ASSERT(g_isolate == pIsolate); + return; + } + g_embedderDataSlot = embedderDataSlot; + g_isolate = pIsolate; +} + +void FXJS_Release() { + ASSERT(!g_isolate || g_isolate_ref_count == 0); + delete g_DefaultGlobalObjectTemplate; + g_DefaultGlobalObjectTemplate = nullptr; + g_isolate = nullptr; + + delete g_arrayBufferAllocator; + g_arrayBufferAllocator = nullptr; +} + +bool FXJS_GetIsolate(v8::Isolate** pResultIsolate) { + if (g_isolate) { + *pResultIsolate = g_isolate; + return false; + } + // Provide backwards compatibility when no external isolate. + if (!g_arrayBufferAllocator) + g_arrayBufferAllocator = new CFX_V8ArrayBufferAllocator(); + v8::Isolate::CreateParams params; + params.array_buffer_allocator = g_arrayBufferAllocator; + *pResultIsolate = v8::Isolate::New(params); + return true; +} + +size_t FXJS_GlobalIsolateRefCount() { + return g_isolate_ref_count; +} + +V8TemplateMap::V8TemplateMap(v8::Isolate* isolate) : m_map(isolate) {} + +V8TemplateMap::~V8TemplateMap() {} + +void V8TemplateMap::set(void* key, v8::Local<v8::Object> handle) { + ASSERT(!m_map.Contains(key)); + m_map.Set(key, handle); +} + +FXJS_PerIsolateData::~FXJS_PerIsolateData() {} + +// static +void FXJS_PerIsolateData::SetUp(v8::Isolate* pIsolate) { + if (!pIsolate->GetData(g_embedderDataSlot)) + pIsolate->SetData(g_embedderDataSlot, new FXJS_PerIsolateData(pIsolate)); +} + +// static +FXJS_PerIsolateData* FXJS_PerIsolateData::Get(v8::Isolate* pIsolate) { + return static_cast<FXJS_PerIsolateData*>( + pIsolate->GetData(g_embedderDataSlot)); +} + +FXJS_PerIsolateData::FXJS_PerIsolateData(v8::Isolate* pIsolate) + : m_pDynamicObjsMap(new V8TemplateMap(pIsolate)) {} + +CFXJS_Engine::CFXJS_Engine() : CFX_V8(nullptr) {} + +CFXJS_Engine::CFXJS_Engine(v8::Isolate* pIsolate) : CFX_V8(pIsolate) {} + +CFXJS_Engine::~CFXJS_Engine() = default; + +// static +CFXJS_Engine* CFXJS_Engine::EngineFromIsolateCurrentContext( + v8::Isolate* pIsolate) { + return EngineFromContext(pIsolate->GetCurrentContext()); +} + +// static +CFXJS_Engine* CFXJS_Engine::EngineFromContext(v8::Local<v8::Context> pContext) { + return static_cast<CFXJS_Engine*>( + pContext->GetAlignedPointerFromEmbedderData(kPerContextDataIndex)); +} + +// static +int CFXJS_Engine::GetObjDefnID(v8::Local<v8::Object> pObj) { + CFXJS_PerObjectData* pData = CFXJS_PerObjectData::GetFromObject(pObj); + return pData ? pData->m_ObjDefID : -1; +} + +// static +void CFXJS_Engine::SetObjectPrivate(v8::Local<v8::Object> pObj, + std::unique_ptr<CJS_Object> p) { + CFXJS_PerObjectData* pPerObjectData = + CFXJS_PerObjectData::GetFromObject(pObj); + if (!pPerObjectData) + return; + pPerObjectData->m_pPrivate = std::move(p); +} + +// static +void CFXJS_Engine::FreeObjectPrivate(v8::Local<v8::Object> pObj) { + CFXJS_PerObjectData* pData = CFXJS_PerObjectData::GetFromObject(pObj); + pObj->SetAlignedPointerInInternalField(0, nullptr); + pObj->SetAlignedPointerInInternalField(1, nullptr); + delete pData; +} + +void CFXJS_Engine::SetIntoContext(v8::Local<v8::Context> pContext) { + pContext->SetAlignedPointerInEmbedderData(kPerContextDataIndex, this); +} + +int CFXJS_Engine::DefineObj(const char* sObjName, + FXJSOBJTYPE eObjType, + CFXJS_Engine::Constructor pConstructor, + CFXJS_Engine::Destructor pDestructor) { + v8::Isolate::Scope isolate_scope(GetIsolate()); + v8::HandleScope handle_scope(GetIsolate()); + FXJS_PerIsolateData::SetUp(GetIsolate()); + CFXJS_ObjDefinition* pObjDef = new CFXJS_ObjDefinition( + GetIsolate(), sObjName, eObjType, pConstructor, pDestructor); + return pObjDef->AssignID(); +} + +void CFXJS_Engine::DefineObjMethod(int nObjDefnID, + const char* sMethodName, + v8::FunctionCallback pMethodCall) { + v8::Isolate::Scope isolate_scope(GetIsolate()); + v8::HandleScope handle_scope(GetIsolate()); + CFXJS_ObjDefinition* pObjDef = + CFXJS_ObjDefinition::ForID(GetIsolate(), nObjDefnID); + v8::Local<v8::FunctionTemplate> fun = v8::FunctionTemplate::New( + GetIsolate(), pMethodCall, v8::Local<v8::Value>(), + pObjDef->GetSignature()); + fun->RemovePrototype(); + pObjDef->GetInstanceTemplate()->Set(NewString(sMethodName), fun, + v8::ReadOnly); +} + +void CFXJS_Engine::DefineObjProperty(int nObjDefnID, + const char* sPropName, + v8::AccessorGetterCallback pPropGet, + v8::AccessorSetterCallback pPropPut) { + v8::Isolate::Scope isolate_scope(GetIsolate()); + v8::HandleScope handle_scope(GetIsolate()); + CFXJS_ObjDefinition* pObjDef = + CFXJS_ObjDefinition::ForID(GetIsolate(), nObjDefnID); + pObjDef->GetInstanceTemplate()->SetAccessor(NewString(sPropName), pPropGet, + pPropPut); +} + +void CFXJS_Engine::DefineObjAllProperties( + int nObjDefnID, + v8::NamedPropertyQueryCallback pPropQurey, + v8::NamedPropertyGetterCallback pPropGet, + v8::NamedPropertySetterCallback pPropPut, + v8::NamedPropertyDeleterCallback pPropDel) { + v8::Isolate::Scope isolate_scope(GetIsolate()); + v8::HandleScope handle_scope(GetIsolate()); + CFXJS_ObjDefinition* pObjDef = + CFXJS_ObjDefinition::ForID(GetIsolate(), nObjDefnID); + pObjDef->GetInstanceTemplate()->SetNamedPropertyHandler(pPropGet, pPropPut, + pPropQurey, pPropDel); +} + +void CFXJS_Engine::DefineObjConst(int nObjDefnID, + const char* sConstName, + v8::Local<v8::Value> pDefault) { + v8::Isolate::Scope isolate_scope(GetIsolate()); + v8::HandleScope handle_scope(GetIsolate()); + CFXJS_ObjDefinition* pObjDef = + CFXJS_ObjDefinition::ForID(GetIsolate(), nObjDefnID); + pObjDef->GetInstanceTemplate()->Set(GetIsolate(), sConstName, pDefault); +} + +void CFXJS_Engine::DefineGlobalMethod(const char* sMethodName, + v8::FunctionCallback pMethodCall) { + v8::Isolate::Scope isolate_scope(GetIsolate()); + v8::HandleScope handle_scope(GetIsolate()); + v8::Local<v8::FunctionTemplate> fun = + v8::FunctionTemplate::New(GetIsolate(), pMethodCall); + fun->RemovePrototype(); + GetGlobalObjectTemplate(GetIsolate()) + ->Set(NewString(sMethodName), fun, v8::ReadOnly); +} + +void CFXJS_Engine::DefineGlobalConst(const wchar_t* sConstName, + v8::FunctionCallback pConstGetter) { + v8::Isolate::Scope isolate_scope(GetIsolate()); + v8::HandleScope handle_scope(GetIsolate()); + v8::Local<v8::FunctionTemplate> fun = + v8::FunctionTemplate::New(GetIsolate(), pConstGetter); + fun->RemovePrototype(); + GetGlobalObjectTemplate(GetIsolate()) + ->SetAccessorProperty(NewString(sConstName), fun); +} + +void CFXJS_Engine::InitializeEngine() { + if (GetIsolate() == g_isolate) + ++g_isolate_ref_count; + + v8::Isolate::Scope isolate_scope(GetIsolate()); + v8::HandleScope handle_scope(GetIsolate()); + + // This has to happen before we call GetGlobalObjectTemplate because that + // method gets the PerIsolateData from GetIsolate(). + FXJS_PerIsolateData::SetUp(GetIsolate()); + + v8::Local<v8::Context> v8Context = v8::Context::New( + GetIsolate(), nullptr, GetGlobalObjectTemplate(GetIsolate())); + v8::Context::Scope context_scope(v8Context); + SetIntoContext(v8Context); + + int maxID = CFXJS_ObjDefinition::MaxID(GetIsolate()); + m_StaticObjects.resize(maxID + 1); + for (int i = 0; i < maxID; ++i) { + CFXJS_ObjDefinition* pObjDef = CFXJS_ObjDefinition::ForID(GetIsolate(), i); + if (pObjDef->m_ObjType == FXJSOBJTYPE_GLOBAL) { + CFXJS_PerObjectData::SetInObject(new CFXJS_PerObjectData(i), + v8Context->Global() + ->GetPrototype() + ->ToObject(v8Context) + .ToLocalChecked()); + if (pObjDef->m_pConstructor) { + pObjDef->m_pConstructor(this, v8Context->Global() + ->GetPrototype() + ->ToObject(v8Context) + .ToLocalChecked()); + } + } else if (pObjDef->m_ObjType == FXJSOBJTYPE_STATIC) { + v8::Local<v8::String> pObjName = NewString(pObjDef->m_ObjName); + v8::Local<v8::Object> obj = NewFXJSBoundObject(i, true); + if (!obj.IsEmpty()) { + v8Context->Global()->Set(v8Context, pObjName, obj).FromJust(); + m_StaticObjects[i] = v8::Global<v8::Object>(GetIsolate(), obj); + } + } + } + m_V8Context.Reset(GetIsolate(), v8Context); +} + +void CFXJS_Engine::ReleaseEngine() { + v8::Isolate::Scope isolate_scope(GetIsolate()); + v8::HandleScope handle_scope(GetIsolate()); + v8::Local<v8::Context> context = GetV8Context(); + v8::Context::Scope context_scope(context); + FXJS_PerIsolateData* pData = FXJS_PerIsolateData::Get(GetIsolate()); + if (!pData) + return; + + m_ConstArrays.clear(); + + int maxID = CFXJS_ObjDefinition::MaxID(GetIsolate()); + for (int i = 0; i < maxID; ++i) { + CFXJS_ObjDefinition* pObjDef = CFXJS_ObjDefinition::ForID(GetIsolate(), i); + v8::Local<v8::Object> pObj; + if (pObjDef->m_ObjType == FXJSOBJTYPE_GLOBAL) { + pObj = + context->Global()->GetPrototype()->ToObject(context).ToLocalChecked(); + } else if (!m_StaticObjects[i].IsEmpty()) { + pObj = v8::Local<v8::Object>::New(GetIsolate(), m_StaticObjects[i]); + m_StaticObjects[i].Reset(); + } + + if (!pObj.IsEmpty()) { + if (pObjDef->m_pDestructor) + pObjDef->m_pDestructor(pObj); + FreeObjectPrivate(pObj); + } + } + + m_V8Context.Reset(); + + if (GetIsolate() == g_isolate && --g_isolate_ref_count > 0) + return; + + delete pData; + GetIsolate()->SetData(g_embedderDataSlot, nullptr); +} + +int CFXJS_Engine::Execute(const WideString& script, FXJSErr* pError) { + v8::Isolate::Scope isolate_scope(GetIsolate()); + v8::TryCatch try_catch(GetIsolate()); + v8::Local<v8::Context> context = GetIsolate()->GetCurrentContext(); + v8::Local<v8::Script> compiled_script; + if (!v8::Script::Compile(context, NewString(script.AsStringView())) + .ToLocal(&compiled_script)) { + v8::String::Utf8Value error(GetIsolate(), try_catch.Exception()); + // TODO(tsepez): return error via pError->message. + return -1; + } + + v8::Local<v8::Value> result; + if (!compiled_script->Run(context).ToLocal(&result)) { + v8::String::Utf8Value error(GetIsolate(), try_catch.Exception()); + // TODO(tsepez): return error via pError->message. + return -1; + } + return 0; +} + +v8::Local<v8::Object> CFXJS_Engine::NewFXJSBoundObject(int nObjDefnID, + bool bStatic) { + v8::Isolate::Scope isolate_scope(GetIsolate()); + v8::Local<v8::Context> context = GetIsolate()->GetCurrentContext(); + FXJS_PerIsolateData* pData = FXJS_PerIsolateData::Get(GetIsolate()); + if (!pData) + return v8::Local<v8::Object>(); + + if (nObjDefnID < 0 || nObjDefnID >= CFXJS_ObjDefinition::MaxID(GetIsolate())) + return v8::Local<v8::Object>(); + + CFXJS_ObjDefinition* pObjDef = + CFXJS_ObjDefinition::ForID(GetIsolate(), nObjDefnID); + v8::Local<v8::Object> obj; + if (!pObjDef->GetInstanceTemplate()->NewInstance(context).ToLocal(&obj)) + return v8::Local<v8::Object>(); + + CFXJS_PerObjectData* pObjData = new CFXJS_PerObjectData(nObjDefnID); + CFXJS_PerObjectData::SetInObject(pObjData, obj); + if (pObjDef->m_pConstructor) + pObjDef->m_pConstructor(this, obj); + + if (!bStatic && FXJS_PerIsolateData::Get(GetIsolate())->m_pDynamicObjsMap) + FXJS_PerIsolateData::Get(GetIsolate()) + ->m_pDynamicObjsMap->set(pObjData, obj); + + return obj; +} + +v8::Local<v8::Object> CFXJS_Engine::GetThisObj() { + v8::Isolate::Scope isolate_scope(GetIsolate()); + if (!FXJS_PerIsolateData::Get(GetIsolate())) + return v8::Local<v8::Object>(); + + // Return the global object. + v8::Local<v8::Context> context = GetIsolate()->GetCurrentContext(); + return context->Global()->GetPrototype()->ToObject(context).ToLocalChecked(); +} + +void CFXJS_Engine::Error(const WideString& message) { + GetIsolate()->ThrowException(NewString(message.AsStringView())); +} + +CJS_Object* CFXJS_Engine::GetObjectPrivate(v8::Local<v8::Object> pObj) { + CFXJS_PerObjectData* pData = CFXJS_PerObjectData::GetFromObject(pObj); + if (!pData && !pObj.IsEmpty()) { + // It could be a global proxy object. + v8::Local<v8::Value> v = pObj->GetPrototype(); + v8::Local<v8::Context> context = GetIsolate()->GetCurrentContext(); + if (v->IsObject()) { + pData = CFXJS_PerObjectData::GetFromObject( + v->ToObject(context).ToLocalChecked()); + } + } + return pData ? pData->m_pPrivate.get() : nullptr; +} + +v8::Local<v8::Array> CFXJS_Engine::GetConstArray(const WideString& name) { + return v8::Local<v8::Array>::New(GetIsolate(), m_ConstArrays[name]); +} + +void CFXJS_Engine::SetConstArray(const WideString& name, + v8::Local<v8::Array> array) { + m_ConstArrays[name] = v8::Global<v8::Array>(GetIsolate(), array); +} |