| // 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/fxjs_v8.h" |
| |
| #include <vector> |
| |
| #include "third_party/base/allocator/partition_allocator/partition_alloc.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 FXJS_ArrayBufferAllocator* g_arrayBufferAllocator = nullptr; |
| static v8::Global<v8::ObjectTemplate>* g_DefaultGlobalObjectTemplate = nullptr; |
| static wchar_t kPerObjectDataTag[] = L"CFXJS_PerObjectData"; |
| |
| class CFXJS_PerObjectData { |
| public: |
| explicit CFXJS_PerObjectData(int nObjDefID) |
| : m_ObjDefID(nObjDefID), m_pPrivate(nullptr) {} |
| |
| 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; |
| void* 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* FXJS_ArrayBufferAllocator::Allocate(size_t length) { |
| if (length > kMaxAllowedBytes) |
| return nullptr; |
| void* p = AllocateUninitialized(length); |
| if (p) |
| memset(p, 0, length); |
| return p; |
| } |
| |
| void* FXJS_ArrayBufferAllocator::AllocateUninitialized(size_t length) { |
| if (length > kMaxAllowedBytes) |
| return nullptr; |
| return pdfium::base::PartitionAllocGeneric( |
| gArrayBufferPartitionAllocator.root(), length, "FXJS_ArrayBuffer"); |
| } |
| |
| void FXJS_ArrayBufferAllocator::Free(void* data, size_t length) { |
| pdfium::base::PartitionFreeGeneric(gArrayBufferPartitionAllocator.root(), |
| data); |
| } |
| |
| 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(CFXJS_Engine::CurrentEngineFromIsolate(isolate), |
| 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 FXJS_ArrayBufferAllocator(); |
| 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() : CJS_V8(nullptr) {} |
| |
| CFXJS_Engine::CFXJS_Engine(v8::Isolate* pIsolate) : CJS_V8(pIsolate) {} |
| |
| CFXJS_Engine::~CFXJS_Engine() = default; |
| |
| // static |
| CFXJS_Engine* CFXJS_Engine::CurrentEngineFromIsolate(v8::Isolate* pIsolate) { |
| return static_cast<CFXJS_Engine*>( |
| pIsolate->GetCurrentContext()->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::FreeObjectPrivate(void* pPerObjectData) { |
| delete static_cast<CFXJS_PerObjectData*>(pPerObjectData); |
| } |
| |
| // 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; |
| } |
| |
| 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); |
| |
| v8Context->SetAlignedPointerInEmbedderData(kPerContextDataIndex, this); |
| |
| 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 = NewFxDynamicObj(i, true); |
| if (!obj.IsEmpty()) { |
| v8Context->Global()->Set(v8Context, pObjName, obj).FromJust(); |
| m_StaticObjects[i] = new v8::Global<v8::Object>(GetIsolate(), obj); |
| } else { |
| m_StaticObjects[i] = nullptr; |
| } |
| } |
| } |
| ResetPersistentContext(v8Context); |
| } |
| |
| void CFXJS_Engine::ReleaseEngine() { |
| v8::Isolate::Scope isolate_scope(GetIsolate()); |
| v8::HandleScope handle_scope(GetIsolate()); |
| v8::Local<v8::Context> context = NewLocalContext(); |
| v8::Context::Scope context_scope(context); |
| FXJS_PerIsolateData* pData = FXJS_PerIsolateData::Get(GetIsolate()); |
| if (!pData) |
| return; |
| |
| ClearConstArray(); |
| |
| 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] && !m_StaticObjects[i]->IsEmpty()) { |
| pObj = v8::Local<v8::Object>::New(GetIsolate(), *m_StaticObjects[i]); |
| delete m_StaticObjects[i]; |
| m_StaticObjects[i] = nullptr; |
| } |
| |
| if (!pObj.IsEmpty()) { |
| if (pObjDef->m_pDestructor) |
| pObjDef->m_pDestructor(this, pObj); |
| FreeObjectPrivate(pObj); |
| } |
| } |
| |
| ReleasePersistentContext(); |
| |
| 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(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(try_catch.Exception()); |
| // TODO(tsepez): return error via pError->message. |
| return -1; |
| } |
| return 0; |
| } |
| |
| v8::Local<v8::Object> CFXJS_Engine::NewFxDynamicObj(int nObjDefnID, |
| bool bStatic) { |
| v8::Isolate::Scope isolate_scope(GetIsolate()); |
| v8::Local<v8::Context> context = GetIsolate()->GetCurrentContext(); |
| if (nObjDefnID == -1) { |
| v8::Local<v8::ObjectTemplate> objTempl = |
| v8::ObjectTemplate::New(GetIsolate()); |
| v8::Local<v8::Object> obj; |
| if (!objTempl->NewInstance(context).ToLocal(&obj)) |
| return v8::Local<v8::Object>(); |
| return obj; |
| } |
| |
| 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())); |
| } |
| |
| void CFXJS_Engine::SetObjectPrivate(v8::Local<v8::Object> pObj, void* p) { |
| CFXJS_PerObjectData* pPerObjectData = |
| CFXJS_PerObjectData::GetFromObject(pObj); |
| if (!pPerObjectData) |
| return; |
| pPerObjectData->m_pPrivate = p; |
| } |
| |
| void* 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 : nullptr; |
| } |