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/****************************************************************************
Copyright (c) 2016 Chukong Technologies Inc.
Copyright (c) 2017-2023 Xiamen Yaji Software Co., Ltd.
http://www.cocos.com
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/
#include "Object.h"
#include "v8/HelperMacros.h"
// Use node::Buffer to replace v8 api,to avoid link err in editor platform.
#if CC_EDITOR && CC_PLATFORM == CC_PLATFORM_WINDOWS
#include <node_buffer.h>
#endif
#if SCRIPT_ENGINE_TYPE == SCRIPT_ENGINE_V8
#include "../MappingUtils.h"
#include "Class.h"
#include "ScriptEngine.h"
#include "Utils.h"
#include "base/std/container/unordered_map.h"
#include <memory>
#include <sstream>
#include "base/std/container/array.h"
#define JSB_FUNC_DEFAULT_MAX_ARG_COUNT (10)
namespace se {
namespace {
v8::Isolate *__isolate = nullptr; // NOLINT
#if CC_DEBUG_JS_OBJECT_ID && CC_DEBUG
uint32_t nativeObjectId = 0;
#endif
} // namespace
class JSBPersistentHandleVisitor : public v8::PersistentHandleVisitor {
public:
JSBPersistentHandleVisitor() = default;
void VisitPersistentHandle(v8::Persistent<v8::Value> *value, uint16_t classId) override {
if (value == nullptr || classId != ObjectWrap::MAGIC_CLASS_ID_JSB) {
return;
}
auto &persistObj = v8::Persistent<v8::Object>::Cast(*value);
const int fieldCount = v8::Object::InternalFieldCount(persistObj);
if (fieldCount != 1) {
return;
}
void *ptr = v8::Object::GetAlignedPointerFromInternalField(persistObj, 0);
if (ptr == nullptr) {
return;
}
auto *obj = reinterpret_cast<Object *>(ptr);
auto *nativeObj = obj->getPrivateData();
if (nativeObj == nullptr) {
// Not a JSB binding object
return;
}
// Remove mapping
se::NativePtrToObjectMap::erase(nativeObj, obj);
// Invoke finalize callback
if (obj->_finalizeCb != nullptr) {
obj->_finalizeCb(obj);
} else {
if (obj->_getClass() != nullptr) {
if (obj->_getClass()->_finalizeFunc != nullptr) {
obj->_getClass()->_finalizeFunc(obj);
}
}
}
if (obj->getRefCount() != 1) {
CC_LOG_WARNING("se::Object (%p) reference count (%u) is not 1", obj, obj->getRefCount());
}
obj->decRef();
}
};
Object::Object() { // NOLINT
#if JSB_TRACK_OBJECT_CREATION
_objectCreationStackFrame = se::ScriptEngine::getInstance()->getCurrentStackTrace();
#endif
}
Object::~Object() {
if (_rootCount > 0) {
_obj.unref();
}
delete _privateObject;
_privateObject = nullptr;
}
/* static */
void Object::nativeObjectFinalizeHook(Object *seObj) {
if (seObj == nullptr) {
return;
}
if (seObj->_clearMappingInFinalizer && seObj->_privateData != nullptr) {
void *nativeObj = seObj->_privateData;
NativePtrToObjectMap::erase(nativeObj, seObj);
}
if (seObj->_finalizeCb != nullptr) {
seObj->_finalizeCb(seObj);
} else {
if (seObj->_getClass() != nullptr && seObj->_getClass()->_finalizeFunc != nullptr) {
seObj->_getClass()->_finalizeFunc(seObj);
}
}
seObj->decRef();
}
/* static */
void Object::setIsolate(v8::Isolate *isolate) {
__isolate = isolate;
ObjectWrap::setIsolateValid(__isolate != nullptr);
}
void Object::cleanup() {
JSBPersistentHandleVisitor jsbVisitor;
__isolate->VisitHandlesWithClassIds(&jsbVisitor);
SE_ASSERT(NativePtrToObjectMap::size() == 0, "NativePtrToObjectMap should be empty!");
}
Object *Object::createProxyTarget(se::Object *proxy) {
SE_ASSERT(proxy->isProxy(), "parameter is not a Proxy object");
v8::Local<v8::Object> jsobj = proxy->getProxyTarget().As<v8::Object>();
Object *obj = Object::_createJSObject(nullptr, jsobj);
return obj;
}
Object *Object::createPlainObject() {
v8::Local<v8::Object> jsobj = v8::Object::New(__isolate);
Object *obj = _createJSObject(nullptr, jsobj);
return obj;
}
Object *Object::createMapObject() {
v8::Local<v8::Map> jsobj = v8::Map::New(__isolate);
return _createJSObject(nullptr, jsobj);
}
Object *Object::createSetObject() {
v8::Local<v8::Set> jsobj = v8::Set::New(__isolate);
return _createJSObject(nullptr, jsobj);
}
Object *Object::getObjectWithPtr(void *ptr) {
Object *obj = nullptr;
NativePtrToObjectMap::forEach(ptr, [&obj](se::Object *foundObj) {
obj = foundObj;
obj->incRef();
});
return obj;
}
Object *Object::_createJSObject(Class *cls, v8::Local<v8::Object> obj) { // NOLINT(readability-identifier-naming)
auto *ret = ccnew Object();
if (!ret->init(cls, obj)) {
delete ret;
ret = nullptr;
}
return ret;
}
Object *Object::createObjectWithClass(Class *cls) {
v8::Local<v8::Object> jsobj = Class::_createJSObjectWithClass(cls);
Object *obj = Object::_createJSObject(cls, jsobj);
return obj;
}
/* static */
Object *Object::createObjectWithConstructor(se::Object *constructor) {
auto jsVal = constructor->_getJSObject()->CallAsConstructor(__isolate->GetCurrentContext(), 0, nullptr);
if (jsVal.IsEmpty()) {
return nullptr;
}
v8::Local<v8::Object> jsobj = v8::Local<v8::Object>::Cast(jsVal.ToLocalChecked());
return Object::_createJSObject(nullptr, jsobj);
}
/* static */
Object *Object::createObjectWithConstructor(se::Object *constructor, const ValueArray &args) {
ccstd::vector<v8::Local<v8::Value>> jsArgs(args.size());
internal::seToJsArgs(__isolate, args, jsArgs.data());
auto jsVal = constructor->_getJSObject()->CallAsConstructor(__isolate->GetCurrentContext(), static_cast<int>(args.size()), jsArgs.data());
if (jsVal.IsEmpty()) {
return nullptr;
}
v8::Local<v8::Object> jsobj = v8::Local<v8::Object>::Cast(jsVal.ToLocalChecked());
return Object::_createJSObject(nullptr, jsobj);
}
Object *Object::createArrayObject(size_t length) {
v8::Local<v8::Array> jsobj = v8::Array::New(__isolate, static_cast<int>(length));
Object *obj = Object::_createJSObject(nullptr, jsobj);
return obj;
}
Object *Object::createArrayBufferObject(const void *data, size_t byteLength) {
#if CC_EDITOR && CC_PLATFORM == CC_PLATFORM_WINDOWS
auto nodeBuffer = node::Buffer::New(__isolate, byteLength);
auto *srcData = node::Buffer::Data(nodeBuffer.ToLocalChecked());
v8::Local<v8::ArrayBuffer> jsobj = nodeBuffer.ToLocalChecked().As<v8::TypedArray>()->Buffer();
#else
v8::Local<v8::ArrayBuffer> jsobj = v8::ArrayBuffer::New(__isolate, byteLength);
auto *srcData = jsobj->GetBackingStore()->Data();
#endif
if (data) {
memcpy(srcData, data, byteLength);
} else {
memset(srcData, 0, byteLength);
}
Object *obj = Object::_createJSObject(nullptr, jsobj);
return obj;
}
/* static */
Object *Object::createExternalArrayBufferObject(void *contents, size_t byteLength, BufferContentsFreeFunc freeFunc, void *freeUserData /* = nullptr*/) {
Object *obj = nullptr;
#if CC_EDITOR && CC_PLATFORM == CC_PLATFORM_WINDOWS
auto nodeBuffer = node::Buffer::New(
__isolate, (char *)contents, byteLength, [](char *data, void *hint) {}, nullptr)
.ToLocalChecked()
.As<v8::TypedArray>();
v8::Local<v8::ArrayBuffer> jsobj = nodeBuffer.As<v8::TypedArray>()->Buffer();
#else
std::shared_ptr<v8::BackingStore> backingStore = v8::ArrayBuffer::NewBackingStore(contents, byteLength, freeFunc, freeUserData);
v8::Local<v8::ArrayBuffer> jsobj = v8::ArrayBuffer::New(__isolate, backingStore);
#endif
if (!jsobj.IsEmpty()) {
obj = Object::_createJSObject(nullptr, jsobj);
}
return obj;
}
Object *Object::createTypedArray(TypedArrayType type, const void *data, size_t byteLength) {
if (type == TypedArrayType::NONE) {
SE_LOGE("Don't pass se::Object::TypedArrayType::NONE to createTypedArray API!");
return nullptr;
}
if (type == TypedArrayType::UINT8_CLAMPED) {
SE_LOGE("Doesn't support to create Uint8ClampedArray with Object::createTypedArray API!");
return nullptr;
}
#if CC_EDITOR && CC_PLATFORM == CC_PLATFORM_WINDOWS
auto nodeBuffer = node::Buffer::New(__isolate, byteLength);
auto *srcData = node::Buffer::Data(nodeBuffer.ToLocalChecked());
v8::Local<v8::ArrayBuffer> jsobj = nodeBuffer.ToLocalChecked().As<v8::TypedArray>()->Buffer();
#else
v8::Local<v8::ArrayBuffer> jsobj = v8::ArrayBuffer::New(__isolate, byteLength);
auto *srcData = jsobj->GetBackingStore()->Data();
#endif
// If data has content,then will copy data into buffer,or will only clear buffer.
if (data) {
memcpy(srcData, data, byteLength);
} else {
memset(srcData, 0, byteLength);
}
v8::Local<v8::Object> arr;
switch (type) {
case TypedArrayType::INT8:
arr = v8::Int8Array::New(jsobj, 0, byteLength);
break;
case TypedArrayType::INT16:
arr = v8::Int16Array::New(jsobj, 0, byteLength / 2);
break;
case TypedArrayType::INT32:
arr = v8::Int32Array::New(jsobj, 0, byteLength / 4);
break;
case TypedArrayType::UINT8:
arr = v8::Uint8Array::New(jsobj, 0, byteLength);
break;
case TypedArrayType::UINT16:
arr = v8::Uint16Array::New(jsobj, 0, byteLength / 2);
break;
case TypedArrayType::UINT32:
arr = v8::Uint32Array::New(jsobj, 0, byteLength / 4);
break;
case TypedArrayType::FLOAT32:
arr = v8::Float32Array::New(jsobj, 0, byteLength / 4);
break;
case TypedArrayType::FLOAT64:
arr = v8::Float64Array::New(jsobj, 0, byteLength / 8);
break;
default:
CC_ABORT(); // Should never go here.
break;
}
Object *obj = Object::_createJSObject(nullptr, arr);
return obj;
}
Object *Object::createTypedArrayWithBuffer(TypedArrayType type, const Object *obj) {
return Object::createTypedArrayWithBuffer(type, obj, 0);
}
Object *Object::createTypedArrayWithBuffer(TypedArrayType type, const Object *obj, size_t offset) {
size_t byteLength{0};
uint8_t *skip{nullptr};
obj->getArrayBufferData(&skip, &byteLength);
return Object::createTypedArrayWithBuffer(type, obj, offset, byteLength - offset);
}
Object *Object::createTypedArrayWithBuffer(TypedArrayType type, const Object *obj, size_t offset, size_t byteLength) {
if (type == TypedArrayType::NONE) {
SE_LOGE("Don't pass se::Object::TypedArrayType::NONE to createTypedArray API!");
return nullptr;
}
if (type == TypedArrayType::UINT8_CLAMPED) {
SE_LOGE("Doesn't support to create Uint8ClampedArray with Object::createTypedArray API!");
return nullptr;
}
v8::Local<v8::Object> typedArray;
CC_ASSERT(obj->isArrayBuffer());
v8::Local<v8::ArrayBuffer> jsobj = obj->_getJSObject().As<v8::ArrayBuffer>();
switch (type) {
case TypedArrayType::INT8:
typedArray = v8::Int8Array::New(jsobj, offset, byteLength);
break;
case TypedArrayType::INT16:
typedArray = v8::Int16Array::New(jsobj, offset, byteLength / 2);
break;
case TypedArrayType::INT32:
typedArray = v8::Int32Array::New(jsobj, offset, byteLength / 4);
break;
case TypedArrayType::UINT8:
typedArray = v8::Uint8Array::New(jsobj, offset, byteLength);
break;
case TypedArrayType::UINT16:
typedArray = v8::Uint16Array::New(jsobj, offset, byteLength / 2);
break;
case TypedArrayType::UINT32:
typedArray = v8::Uint32Array::New(jsobj, offset, byteLength / 4);
break;
case TypedArrayType::FLOAT32:
typedArray = v8::Float32Array::New(jsobj, offset, byteLength / 4);
break;
case TypedArrayType::FLOAT64:
typedArray = v8::Float64Array::New(jsobj, offset, byteLength / 8);
break;
default:
CC_ABORT(); // Should never go here.
break;
}
return Object::_createJSObject(nullptr, typedArray);
}
Object *Object::createUint8TypedArray(uint8_t *bytes, size_t byteLength) {
return createTypedArray(TypedArrayType::UINT8, bytes, byteLength);
}
Object *Object::createJSONObject(const ccstd::string &jsonStr) {
v8::Local<v8::Context> context = __isolate->GetCurrentContext();
Value strVal(jsonStr);
v8::Local<v8::Value> jsStr;
internal::seToJsValue(__isolate, strVal, &jsStr);
v8::Local<v8::String> v8Str = v8::Local<v8::String>::Cast(jsStr);
v8::MaybeLocal<v8::Value> ret = v8::JSON::Parse(context, v8Str);
if (ret.IsEmpty()) {
return nullptr;
}
v8::Local<v8::Object> jsobj = v8::Local<v8::Object>::Cast(ret.ToLocalChecked());
return Object::_createJSObject(nullptr, jsobj);
}
bool Object::init(Class *cls, v8::Local<v8::Object> obj) {
_cls = cls;
_obj.init(obj, this, _cls != nullptr);
_obj.setFinalizeCallback(nativeObjectFinalizeHook);
#if CC_DEBUG && CC_DEBUG_JS_OBJECT_ID
// this->_objectId = ++nativeObjectId;
// defineOwnProperty("__object_id__", se::Value(this->_objectId), false, false, false);
// defineOwnProperty("__native_class_name__", se::Value(cls ? cls->getName() : "[noname]"), false, false, false);
#endif
return true;
}
bool Object::getProperty(const char *name, Value *data, bool cachePropertyName) {
CC_ASSERT_NOT_NULL(data);
data->setUndefined();
v8::HandleScope handleScope(__isolate);
if (_obj.persistent().IsEmpty()) {
return false;
}
v8::MaybeLocal<v8::String> nameValue;
if (cachePropertyName) {
nameValue = ScriptEngine::getInstance()->_getStringPool().get(__isolate, name);
} else {
nameValue = v8::String::NewFromUtf8(__isolate, name, v8::NewStringType::kNormal);
}
if (nameValue.IsEmpty()) {
return false;
}
v8::Local<v8::String> nameValToLocal = nameValue.ToLocalChecked();
v8::Local<v8::Context> context = __isolate->GetCurrentContext();
v8::Local<v8::Object> localObj = _obj.handle(__isolate);
v8::Maybe<bool> maybeExist = localObj->Has(context, nameValToLocal);
if (maybeExist.IsNothing()) {
return false;
}
if (!maybeExist.FromJust()) {
return false;
}
v8::MaybeLocal<v8::Value> result = localObj->Get(context, nameValToLocal);
if (result.IsEmpty()) {
return false;
}
internal::jsToSeValue(__isolate, result.ToLocalChecked(), data);
return true;
}
bool Object::deleteProperty(const char *name) {
v8::HandleScope handleScope(__isolate);
if (_obj.persistent().IsEmpty()) {
return false;
}
v8::MaybeLocal<v8::String> nameValue = v8::String::NewFromUtf8(__isolate, name, v8::NewStringType::kNormal);
if (nameValue.IsEmpty()) {
return false;
}
v8::Local<v8::String> nameValToLocal = nameValue.ToLocalChecked();
v8::Local<v8::Context> context = __isolate->GetCurrentContext();
v8::Maybe<bool> maybeExist = _obj.handle(__isolate)->Delete(context, nameValToLocal);
if (maybeExist.IsNothing()) {
return false;
}
if (!maybeExist.FromJust()) {
return false;
}
return true;
}
bool Object::setProperty(const char *name, const Value &data) {
v8::MaybeLocal<v8::String> nameValue = ScriptEngine::getInstance()->_getStringPool().get(__isolate, name);
if (nameValue.IsEmpty()) {
return false;
}
v8::Local<v8::Value> value;
internal::seToJsValue(__isolate, data, &value);
v8::Maybe<bool> ret = _obj.handle(__isolate)->Set(__isolate->GetCurrentContext(), nameValue.ToLocalChecked(), value);
if (ret.IsNothing()) {
SE_LOGD("ERROR: %s, Set return nothing ...\n", __FUNCTION__);
return false;
}
return true;
}
bool Object::defineProperty(const char *name, v8::FunctionCallback getter, v8::FunctionCallback setter) {
v8::MaybeLocal<v8::String> nameValue = v8::String::NewFromUtf8(__isolate, name, v8::NewStringType::kNormal);
if (nameValue.IsEmpty()) {
return false;
}
v8::Local<v8::String> nameValChecked = nameValue.ToLocalChecked();
v8::Local<v8::Name> jsName = v8::Local<v8::Name>::Cast(nameValChecked);
v8::Local<v8::Context> currentContext = __isolate->GetCurrentContext();
v8::MaybeLocal<v8::Function> v8Getter = v8::Function::New(currentContext, getter);
v8::MaybeLocal<v8::Function> v8Setter = v8::Function::New(currentContext, setter);
if (!v8Getter.IsEmpty() && !v8Setter.IsEmpty()) {
_obj.handle(__isolate)->SetAccessorProperty(jsName, v8Getter.ToLocalChecked(), v8Setter.ToLocalChecked());
} else if (v8Getter.IsEmpty()) {
_obj.handle(__isolate)->SetAccessorProperty(jsName, {}, v8Setter.ToLocalChecked());
} else if (v8Setter.IsEmpty()) {
_obj.handle(__isolate)->SetAccessorProperty(jsName, v8Getter.ToLocalChecked(), {});
}
return true;
}
bool Object::defineOwnProperty(const char *name, const se::Value &value, bool writable, bool enumerable, bool configurable) {
v8::MaybeLocal<v8::String> nameValue = v8::String::NewFromUtf8(__isolate, name, v8::NewStringType::kNormal);
if (nameValue.IsEmpty()) {
return false;
}
int flag{v8::PropertyAttribute::None};
if (!writable) {
flag |= v8::PropertyAttribute::ReadOnly;
}
if (!enumerable) {
flag |= v8::PropertyAttribute::DontEnum;
}
if (!configurable) {
flag |= v8::PropertyAttribute::DontDelete;
}
v8::Local<v8::Value> v8Value;
internal::seToJsValue(__isolate, value, &v8Value);
v8::Local<v8::String> nameValChecked = nameValue.ToLocalChecked();
v8::Local<v8::Name> jsName = v8::Local<v8::Name>::Cast(nameValChecked);
v8::Maybe<bool> ret = _obj.handle(__isolate)->DefineOwnProperty(__isolate->GetCurrentContext(), jsName, v8Value, static_cast<v8::PropertyAttribute>(flag));
return ret.IsJust() && ret.FromJust();
}
bool Object::isFunction() const {
return const_cast<Object *>(this)->_obj.handle(__isolate)->IsCallable();
}
bool Object::_isNativeFunction() const { // NOLINT(readability-identifier-naming)
if (isFunction()) {
ccstd::string info = toString();
if (info.find("[native code]") != ccstd::string::npos) {
return true;
}
}
return false;
}
bool Object::isTypedArray() const {
return const_cast<Object *>(this)->_obj.handle(__isolate)->IsTypedArray();
}
bool Object::isProxy() const {
return const_cast<Object *>(this)->_obj.handle(__isolate)->IsProxy();
}
v8::Local<v8::Value> Object::getProxyTarget() const {
v8::Local<v8::Value> value = const_cast<Object *>(this)->_obj.handle(__isolate);
CC_ASSERTF(value->IsProxy(), "Object is not a Proxy");
v8::Proxy *proxy = v8::Proxy::Cast(*value);
return proxy->GetTarget();
}
Object::TypedArrayType Object::getTypedArrayType() const {
v8::Local<v8::Value> value = const_cast<Object *>(this)->_obj.handle(__isolate);
TypedArrayType ret = TypedArrayType::NONE;
if (value->IsFloat32Array()) {
ret = TypedArrayType::FLOAT32;
} else if (value->IsUint32Array()) {
ret = TypedArrayType::UINT32;
} else if (value->IsUint16Array()) {
ret = TypedArrayType::UINT16;
} else if (value->IsUint8Array()) {
ret = TypedArrayType::UINT8;
} else if (value->IsInt32Array()) {
ret = TypedArrayType::INT32;
} else if (value->IsInt16Array()) {
ret = TypedArrayType::INT16;
} else if (value->IsInt8Array()) {
ret = TypedArrayType::INT8;
} else if (value->IsUint8ClampedArray()) {
ret = TypedArrayType::UINT8_CLAMPED;
} else if (value->IsFloat64Array()) {
ret = TypedArrayType::FLOAT64;
}
return ret;
}
bool Object::getTypedArrayData(uint8_t **ptr, size_t *length) const {
CC_ASSERT(isTypedArray());
v8::Local<v8::Object> obj = const_cast<Object *>(this)->_obj.handle(__isolate);
#if CC_EDITOR && CC_PLATFORM == CC_PLATFORM_WINDOWS
char *data = node::Buffer::Data(obj);
*ptr = reinterpret_cast<uint8_t *>(data);
if (length) {
*length = node::Buffer::Length(obj);
}
#else
v8::Local<v8::TypedArray> arr = v8::Local<v8::TypedArray>::Cast(obj);
const auto &backingStore = arr->Buffer()->GetBackingStore();
*ptr = static_cast<uint8_t *>(backingStore->Data()) + arr->ByteOffset();
if (length) {
*length = arr->ByteLength();
}
#endif
return true;
}
bool Object::isArrayBuffer() const {
v8::Local<v8::Object> obj = const_cast<Object *>(this)->_obj.handle(__isolate);
return obj->IsArrayBuffer();
}
bool Object::getArrayBufferData(uint8_t **ptr, size_t *length) const {
CC_ASSERT(isArrayBuffer());
#if CC_EDITOR && CC_PLATFORM == CC_PLATFORM_WINDOWS
v8::Local<v8::ArrayBuffer> jsobj = _getJSObject().As<v8::ArrayBuffer>();
auto obj = v8::Int8Array::New(jsobj, 0, jsobj->ByteLength());
char *data = node::Buffer::Data(obj.As<v8::Value>());
*ptr = reinterpret_cast<uint8_t *>(data);
if (length) {
*length = node::Buffer::Length(obj.As<v8::Value>());
}
#else
v8::Local<v8::Object> obj = const_cast<Object *>(this)->_obj.handle(__isolate);
v8::Local<v8::ArrayBuffer> arrBuf = v8::Local<v8::ArrayBuffer>::Cast(obj);
const auto &backingStore = arrBuf->GetBackingStore();
*ptr = static_cast<uint8_t *>(backingStore->Data());
if (length) {
*length = backingStore->ByteLength();
}
#endif
return true;
}
void Object::setPrivateObject(PrivateObjectBase *data) {
CC_ASSERT_NULL(_privateObject);
#if CC_DEBUG
// CC_ASSERT(!NativePtrToObjectMap::contains(data->getRaw()));
if (data != nullptr) {
NativePtrToObjectMap::filter(data->getRaw(), _getClass())
.forEach([&](se::Object *seObj) {
auto *pri = seObj->getPrivateObject();
SE_LOGE("Already exists object %s/[%s], trying to add %s/[%s]\n", pri->getName(), typeid(*pri).name(), data->getName(), typeid(*data).name());
#if JSB_TRACK_OBJECT_CREATION
SE_LOGE(" previous object created at %s\n", it->second->_objectCreationStackFrame.c_str());
#endif
CC_ABORT();
});
}
#endif
internal::setPrivate(__isolate, _obj, this);
_privateObject = data;
if (data != nullptr) {
_privateData = data->getRaw();
NativePtrToObjectMap::emplace(_privateData, this);
} else {
_privateData = nullptr;
}
}
PrivateObjectBase *Object::getPrivateObject() const {
return _privateObject;
}
void Object::clearPrivateData(bool clearMapping) {
if (_privateObject != nullptr) {
if (clearMapping) {
NativePtrToObjectMap::erase(_privateData, this);
}
internal::clearPrivate(__isolate, _obj);
delete _privateObject;
_privateObject = nullptr;
_privateData = nullptr;
}
}
v8::Local<v8::Object> Object::_getJSObject() const { // NOLINT(readability-identifier-naming)
return const_cast<Object *>(this)->_obj.handle(__isolate);
}
ObjectWrap &Object::_getWrap() { // NOLINT(readability-identifier-naming)
return _obj;
}
bool Object::call(const ValueArray &args, Object *thisObject, Value *rval /* = nullptr*/) {
if (_obj.persistent().IsEmpty()) {
SE_LOGD("Function object is released!\n");
return false;
}
size_t argc = args.size();
ccstd::array<v8::Local<v8::Value>, JSB_FUNC_DEFAULT_MAX_ARG_COUNT> argv;
std::unique_ptr<ccstd::vector<v8::Local<v8::Value>>> vecArgs;
v8::Local<v8::Value> *pArgv = argv.data();
if (argc > JSB_FUNC_DEFAULT_MAX_ARG_COUNT) {
vecArgs = std::make_unique<ccstd::vector<v8::Local<v8::Value>>>();
vecArgs->resize(argc);
pArgv = vecArgs->data();
}
internal::seToJsArgs(__isolate, args, pArgv);
v8::Local<v8::Object> thiz = v8::Local<v8::Object>::Cast(v8::Undefined(__isolate));
if (thisObject != nullptr) {
if (thisObject->_obj.persistent().IsEmpty()) {
SE_LOGD("This object is released!\n");
return false;
}
thiz = thisObject->_obj.handle(__isolate);
}
for (size_t i = 0; i < argc; ++i) {
if (pArgv[i].IsEmpty()) {
SE_LOGD("%s argv[%d] is released!\n", __FUNCTION__, (int)i);
return false;
}
}
v8::Local<v8::Context> context = se::ScriptEngine::getInstance()->_getContext();
#if CC_DEBUG
v8::TryCatch tryCatch(__isolate);
#endif
v8::MaybeLocal<v8::Value> result = _obj.handle(__isolate)->CallAsFunction(context, thiz, static_cast<int>(argc), pArgv);
#if CC_DEBUG
if (tryCatch.HasCaught()) {
v8::String::Utf8Value stack(__isolate, tryCatch.StackTrace(__isolate->GetCurrentContext()).ToLocalChecked());
SE_REPORT_ERROR("Invoking function failed, %s", *stack);
}
#endif
if (!result.IsEmpty()) {
if (rval != nullptr) {
internal::jsToSeValue(__isolate, result.ToLocalChecked(), rval);
}
return true;
}
SE_REPORT_ERROR("Invoking function (%p) failed!", this);
se::ScriptEngine::getInstance()->clearException();
// CC_ABORT();
return false;
}
bool Object::defineFunction(const char *funcName, void (*func)(const v8::FunctionCallbackInfo<v8::Value> &args)) {
v8::MaybeLocal<v8::String> maybeFuncName = v8::String::NewFromUtf8(__isolate, funcName, v8::NewStringType::kNormal);
if (maybeFuncName.IsEmpty()) {
return false;
}
v8::Local<v8::Context> context = __isolate->GetCurrentContext();
v8::MaybeLocal<v8::Function> maybeFunc = v8::FunctionTemplate::New(__isolate, func)->GetFunction(context);
if (maybeFunc.IsEmpty()) {
return false;
}
v8::Maybe<bool> ret = _obj.handle(__isolate)->Set(context,
v8::Local<v8::Name>::Cast(maybeFuncName.ToLocalChecked()),
maybeFunc.ToLocalChecked());
return ret.IsJust() && ret.FromJust();
}
bool Object::isMap() const {
return const_cast<Object *>(this)->_obj.handle(__isolate)->IsMap();
}
bool Object::isWeakMap() const {
return const_cast<Object *>(this)->_obj.handle(__isolate)->IsWeakMap();
}
bool Object::isSet() const {
return const_cast<Object *>(this)->_obj.handle(__isolate)->IsSet();
}
bool Object::isWeakSet() const {
return const_cast<Object *>(this)->_obj.handle(__isolate)->IsWeakSet();
}
bool Object::isArray() const {
return const_cast<Object *>(this)->_obj.handle(__isolate)->IsArray();
}
bool Object::getArrayLength(uint32_t *length) const {
CC_ASSERT(isArray());
CC_ASSERT_NOT_NULL(length);
auto *thiz = const_cast<Object *>(this);
auto v8Arr = v8::Local<v8::Array>::Cast(thiz->_obj.handle(__isolate));
*length = v8Arr->Length();
return true;
}
bool Object::getArrayElement(uint32_t index, Value *data) const {
CC_ASSERT(isArray());
CC_ASSERT_NOT_NULL(data);
auto *thiz = const_cast<Object *>(this);
v8::MaybeLocal<v8::Value> result = thiz->_obj.handle(__isolate)->Get(__isolate->GetCurrentContext(), index);
if (result.IsEmpty()) {
return false;
}
internal::jsToSeValue(__isolate, result.ToLocalChecked(), data);
return true;
}
bool Object::setArrayElement(uint32_t index, const Value &data) {
CC_ASSERT(isArray());
v8::Local<v8::Value> jsval;
internal::seToJsValue(__isolate, data, &jsval);
v8::Maybe<bool> ret = _obj.handle(__isolate)->Set(__isolate->GetCurrentContext(), index, jsval);
return ret.IsJust() && ret.FromJust();
}
bool Object::getAllKeys(ccstd::vector<ccstd::string> *allKeys) const {
CC_ASSERT_NOT_NULL(allKeys);
auto *thiz = const_cast<Object *>(this);
v8::Local<v8::Context> context = __isolate->GetCurrentContext();
v8::MaybeLocal<v8::Array> keys = thiz->_obj.handle(__isolate)->GetOwnPropertyNames(context);
if (keys.IsEmpty()) {
return false;
}
v8::Local<v8::Array> keysChecked = keys.ToLocalChecked();
Value keyVal;
for (uint32_t i = 0, len = keysChecked->Length(); i < len; ++i) {
v8::MaybeLocal<v8::Value> key = keysChecked->Get(context, i);
if (key.IsEmpty()) {
allKeys->clear();
return false;
}
internal::jsToSeValue(__isolate, key.ToLocalChecked(), &keyVal);
if (keyVal.isString()) {
allKeys->push_back(keyVal.toString());
} else if (keyVal.isNumber()) {
char buf[50] = {0};
snprintf(buf, sizeof(buf), "%d", keyVal.toInt32());
allKeys->push_back(buf);
} else {
assert(false);
}
}
return true;
}
void Object::clearMap() { // NOLINT
CC_ASSERT(isMap());
v8::Map::Cast(*_getJSObject())->Clear();
}
bool Object::removeMapElement(const Value &key) { // NOLINT
CC_ASSERT(isMap());
v8::Local<v8::Value> v8Key;
internal::seToJsValue(__isolate, key, &v8Key);
v8::Maybe<bool> ret = v8::Map::Cast(*_getJSObject())->Delete(__isolate->GetCurrentContext(), v8Key);
return ret.IsJust() && ret.FromJust();
}
bool Object::getMapElement(const Value &key, Value *outValue) const {
CC_ASSERT(isMap());
if (outValue == nullptr) {
return false;
}
v8::Local<v8::Value> v8Key;
internal::seToJsValue(__isolate, key, &v8Key);
v8::MaybeLocal<v8::Value> ret = v8::Map::Cast(*_getJSObject())->Get(__isolate->GetCurrentContext(), v8Key);
if (ret.IsEmpty()) {
outValue->setUndefined();
return false;
}
internal::jsToSeValue(__isolate, ret.ToLocalChecked(), outValue);
return true;
}
bool Object::setMapElement(const Value &key, const Value &value) { // NOLINT
CC_ASSERT(isMap());
v8::Local<v8::Value> v8Key;
internal::seToJsValue(__isolate, key, &v8Key);
v8::Local<v8::Value> v8Value;
internal::seToJsValue(__isolate, value, &v8Value);
v8::MaybeLocal<v8::Map> ret = v8::Map::Cast(*_getJSObject())->Set(__isolate->GetCurrentContext(), v8Key, v8Value);
return !ret.IsEmpty();
}
uint32_t Object::getMapSize() const {
CC_ASSERT(isMap());
return static_cast<uint32_t>(v8::Map::Cast(*_getJSObject())->Size());
}
ccstd::vector<std::pair<Value, Value>> Object::getAllElementsInMap() const {
CC_ASSERT(isMap());
auto *v8Map = v8::Map::Cast(*_getJSObject());
if (v8Map->Size() == 0) {
return {};
}
v8::Local<v8::Array> keyValueArray = v8Map->AsArray();
uint32_t length = keyValueArray->Length();
if (length == 0) {
return {};
}
SE_ASSERT(length % 2 == 0, "should be multiple of 2");
ccstd::vector<std::pair<Value, Value>> ret;
ret.reserve(length / 2);
v8::Local<v8::Context> currentContext = __isolate->GetCurrentContext();
for (uint32_t i = 0; i < length; i += 2) {
v8::MaybeLocal<v8::Value> key = keyValueArray->Get(currentContext, i);
v8::MaybeLocal<v8::Value> value = keyValueArray->Get(currentContext, i + 1);
if (key.IsEmpty() || value.IsEmpty()) {
continue;
}
Value seKey;
Value seValue;
internal::jsToSeValue(__isolate, key.ToLocalChecked(), &seKey);
internal::jsToSeValue(__isolate, value.ToLocalChecked(), &seValue);
ret.emplace_back(seKey, seValue);
}
return ret;
}
void Object::clearSet() { // NOLINT
CC_ASSERT(isSet());
v8::Set::Cast(*_getJSObject())->Clear();
}
bool Object::removeSetElement(const Value &value) { // NOLINT
CC_ASSERT(isSet());
v8::Local<v8::Value> v8Value;
internal::seToJsValue(__isolate, value, &v8Value);
v8::Maybe<bool> ret = v8::Set::Cast(*_getJSObject())->Delete(__isolate->GetCurrentContext(), v8Value);
return ret.IsJust() && ret.FromJust();
}
bool Object::addSetElement(const Value &value) { // NOLINT
CC_ASSERT(isSet());
v8::Local<v8::Value> v8Value;
internal::seToJsValue(__isolate, value, &v8Value);
v8::MaybeLocal<v8::Set> ret = v8::Set::Cast(*_getJSObject())->Add(__isolate->GetCurrentContext(), v8Value);
return !ret.IsEmpty();
}
bool Object::isElementInSet(const Value &value) const {
CC_ASSERT(isSet());
v8::Local<v8::Value> v8Value;
internal::seToJsValue(__isolate, value, &v8Value);
v8::Maybe<bool> ret = v8::Set::Cast(*_getJSObject())->Has(__isolate->GetCurrentContext(), v8Value);
return ret.IsJust() && ret.FromJust();
}
uint32_t Object::getSetSize() const {
CC_ASSERT(isSet());
return static_cast<uint32_t>(v8::Set::Cast(*_getJSObject())->Size());
}
ValueArray Object::getAllElementsInSet() const {
CC_ASSERT(isSet());
auto *v8Set = v8::Set::Cast(*_getJSObject());
if (v8Set->Size() == 0) {
return {};
}
v8::Local<v8::Array> keyValueArray = v8Set->AsArray();
uint32_t length = keyValueArray->Length();
if (length == 0) {
return {};
}
ValueArray ret;
ret.reserve(length);
v8::Local<v8::Context> currentContext = __isolate->GetCurrentContext();
for (uint32_t i = 0; i < length; ++i) {
v8::MaybeLocal<v8::Value> value = keyValueArray->Get(currentContext, i);
if (value.IsEmpty()) {
continue;
}
Value seValue;
internal::jsToSeValue(__isolate, value.ToLocalChecked(), &seValue);
ret.emplace_back(seValue);
}
return ret;
}
Class *Object::_getClass() const { // NOLINT(readability-identifier-naming)
return _cls;
}
void Object::_setFinalizeCallback(V8FinalizeFunc finalizeCb) { // NOLINT(readability-identifier-naming)
CC_ASSERT_NOT_NULL(finalizeCb);
_finalizeCb = finalizeCb;
}
void Object::root() {
if (_rootCount == 0) {
_obj.ref();
}
++_rootCount;
}
void Object::unroot() {
if (_rootCount > 0) {
--_rootCount;
if (_rootCount == 0) {
_obj.unref();
}
}
}
bool Object::isRooted() const {
return _rootCount > 0;
}
bool Object::strictEquals(Object *o) const {
auto *a = const_cast<Object *>(this);
return a->_obj.handle(__isolate) == o->_obj.handle(__isolate);
}
bool Object::attachObject(Object *obj) {
CC_ASSERT(obj);
Object *global = ScriptEngine::getInstance()->getGlobalObject();
Value jsbVal;
if (!global->getProperty("jsb", &jsbVal)) {
return false;
}
Object *jsbObj = jsbVal.toObject();
Value func;
if (!jsbObj->getProperty("registerNativeRef", &func)) {
return false;
}
ValueArray args;
args.push_back(Value(this));
args.push_back(Value(obj));
func.toObject()->call(args, global);
return true;
}
bool Object::detachObject(Object *obj) {
CC_ASSERT(obj);
Object *global = ScriptEngine::getInstance()->getGlobalObject();
Value jsbVal;
if (!global->getProperty("jsb", &jsbVal)) {
return false;
}
Object *jsbObj = jsbVal.toObject();
Value func;
if (!jsbObj->getProperty("unregisterNativeRef", &func)) {
return false;
}
ValueArray args;
args.push_back(Value(this));
args.push_back(Value(obj));
func.toObject()->call(args, global);
return true;
}
ccstd::string Object::toString() const {
v8::Local<v8::Object> v8Obj = const_cast<Object *>(this)->_obj.handle(__isolate);
v8::String::Utf8Value utf8(__isolate, v8Obj);
return *utf8;
}
ccstd::string Object::toStringExt() const {
if (isFunction()) return "[function]";
if (isArray()) return "[array]";
if (isArrayBuffer()) return "[arraybuffer]";
if (isTypedArray()) return "[typedarray]";
ccstd::vector<ccstd::string> keys;
getAllKeys(&keys);
std::stringstream ss;
ss << "{";
for (auto &k : keys) {
ss << k << ", ";
}
ss << "}";
return ss.str();
}
} // namespace se
#endif // #if SCRIPT_ENGINE_TYPE == SCRIPT_ENGINE_V8