mirror of
https://github.com/quizhizhe/LiteLoaderBDS-1.16.40.git
synced 2025-06-06 20:03:51 +00:00
260 lines
6.7 KiB
C++
260 lines
6.7 KiB
C++
/*
|
|
* Tencent is pleased to support the open source community by making ScriptX available.
|
|
* Copyright (C) 2021 THL A29 Limited, a Tencent company. All rights reserved.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <utility>
|
|
#include "../../src/Exception.h"
|
|
#include "../../src/NativeConverter.hpp"
|
|
#include "../../src/Reference.h"
|
|
#include "../../src/Scope.h"
|
|
#include "../../src/utils/GlobalWeakBookkeeping.hpp"
|
|
#include "JscHelper.h"
|
|
|
|
namespace script {
|
|
|
|
namespace jsc_backend {
|
|
|
|
inline void retain(JSContextRef context, JSValueRef val) {
|
|
if (val) JSValueProtect(context, val);
|
|
}
|
|
|
|
inline void release(JSContextRef context, JSValueRef val) {
|
|
if (val) JSValueUnprotect(context, val);
|
|
}
|
|
|
|
struct JscBookKeepFetcher {
|
|
template <typename T>
|
|
static ::script::internal::GlobalWeakBookkeeping* get(const T* ref) {
|
|
if (!ref) return nullptr;
|
|
auto& val = JscEngine::refVal(const_cast<T*>(ref));
|
|
if (!val.engine_) return nullptr;
|
|
return &val.engine_->globalWeakBookkeeping_;
|
|
}
|
|
|
|
template <typename T>
|
|
static ::script::internal::GlobalWeakBookkeeping::HandleType& handle(const T* ref) {
|
|
auto& val = JscEngine::refVal(const_cast<T*>(ref));
|
|
return val.handle_;
|
|
}
|
|
};
|
|
|
|
using BookKeep = ::script::internal::GlobalWeakBookkeeping::Helper<JscBookKeepFetcher>;
|
|
|
|
} // namespace jsc_backend
|
|
|
|
template <typename T>
|
|
Global<T>::Global() noexcept : val_() {}
|
|
|
|
template <typename T>
|
|
Global<T>::Global(const script::Local<T>& localReference)
|
|
: val_{localReference.val_, jsc_backend::currentEngine()} {
|
|
if (val_.ref_) jsc_backend::retain(val_.engine_->context_, val_.ref_);
|
|
jsc_backend::BookKeep::keep(this);
|
|
}
|
|
|
|
template <typename T>
|
|
Global<T>::Global(const script::Weak<T>& weak)
|
|
: val_{const_cast<typename jsc_backend::RefTypeMap<T>::jscType>(weak.val_.ref_.get()),
|
|
weak.val_.engine_} {
|
|
if (val_.ref_) jsc_backend::retain(val_.engine_->context_, val_.ref_);
|
|
jsc_backend::BookKeep::keep(this);
|
|
}
|
|
|
|
template <typename T>
|
|
Global<T>::Global(const script::Global<T>& copy) : val_() {
|
|
*this = copy;
|
|
}
|
|
|
|
template <typename T>
|
|
Global<T>::Global(script::Global<T>&& move) noexcept : val_() {
|
|
*this = std::move(move);
|
|
}
|
|
|
|
template <typename T>
|
|
Global<T>::~Global() {
|
|
if (!isEmpty()) {
|
|
EngineScope scope(val_.engine_);
|
|
reset();
|
|
}
|
|
}
|
|
|
|
template <typename T>
|
|
Global<T>& Global<T>::operator=(const script::Global<T>& assign) {
|
|
bool wasEmtpy = isEmpty();
|
|
if (!wasEmtpy) {
|
|
jsc_backend::release(val_.engine_->context_, val_.ref_);
|
|
}
|
|
|
|
val_.ref_ = assign.val_.ref_;
|
|
val_.engine_ = assign.val_.engine_;
|
|
if (val_.ref_) jsc_backend::retain(val_.engine_->context_, val_.ref_);
|
|
|
|
jsc_backend::BookKeep::afterCopy(wasEmtpy, this, &assign);
|
|
return *this;
|
|
}
|
|
|
|
template <typename T>
|
|
Global<T>& Global<T>::operator=(script::Global<T>&& move) noexcept {
|
|
bool wasEmtpy = isEmpty();
|
|
if (!wasEmtpy) {
|
|
wasEmtpy = false;
|
|
jsc_backend::release(val_.engine_->context_, val_.ref_);
|
|
}
|
|
|
|
val_.ref_ = move.val_.ref_;
|
|
val_.engine_ = move.val_.engine_;
|
|
move.val_.ref_ = nullptr;
|
|
move.val_.engine_ = nullptr;
|
|
jsc_backend::BookKeep::afterMove(wasEmtpy, this, &move);
|
|
return *this;
|
|
}
|
|
|
|
template <typename T>
|
|
void Global<T>::swap(Global& rhs) noexcept {
|
|
std::swap(val_.ref_, rhs.val_.ref_);
|
|
std::swap(val_.engine_, rhs.val_.engine_);
|
|
jsc_backend::BookKeep::afterSwap(this, &rhs);
|
|
}
|
|
|
|
template <typename T>
|
|
Global<T>& Global<T>::operator=(const script::Local<T>& assign) {
|
|
*this = Global<T>(assign);
|
|
return *this;
|
|
}
|
|
|
|
template <typename T>
|
|
Local<T> Global<T>::get() const {
|
|
if (isEmpty()) throw Exception("get on empty Global");
|
|
return Local<T>(val_.ref_);
|
|
}
|
|
|
|
template <typename T>
|
|
Local<Value> Global<T>::getValue() const {
|
|
return Local<Value>(val_.ref_);
|
|
}
|
|
|
|
template <typename T>
|
|
bool Global<T>::isEmpty() const {
|
|
return val_.ref_ == nullptr;
|
|
}
|
|
|
|
template <typename T>
|
|
void Global<T>::reset() {
|
|
if (!isEmpty()) {
|
|
jsc_backend::release(val_.engine_->context_, val_.ref_);
|
|
jsc_backend::BookKeep::remove(this);
|
|
val_.ref_ = nullptr;
|
|
val_.engine_ = nullptr;
|
|
}
|
|
}
|
|
|
|
// == Weak ==
|
|
|
|
template <typename T>
|
|
Weak<T>::Weak() noexcept : val_() {}
|
|
|
|
template <typename T>
|
|
Weak<T>::~Weak() {
|
|
if (!isEmpty()) {
|
|
EngineScope scope(val_.engine_);
|
|
reset();
|
|
}
|
|
}
|
|
|
|
template <typename T>
|
|
Weak<T>::Weak(const script::Local<T>& localReference)
|
|
: val_(localReference.val_, jsc_backend::currentEngine()) {
|
|
jsc_backend::BookKeep::keep(this);
|
|
}
|
|
|
|
template <typename T>
|
|
Weak<T>::Weak(const script::Global<T>& globalReference)
|
|
: val_(globalReference.val_.ref_, jsc_backend::currentEngine()) {
|
|
jsc_backend::BookKeep::keep(this);
|
|
}
|
|
|
|
template <typename T>
|
|
Weak<T>::Weak(const script::Weak<T>& copy) : val_() {
|
|
*this = copy;
|
|
}
|
|
|
|
template <typename T>
|
|
Weak<T>::Weak(script::Weak<T>&& move) noexcept : val_() {
|
|
*this = std::move(move);
|
|
}
|
|
|
|
template <typename T>
|
|
Weak<T>& Weak<T>::operator=(const script::Weak<T>& assign) {
|
|
bool wasEmtpy = isEmpty();
|
|
val_.ref_ = assign.val_.ref_;
|
|
val_.engine_ = assign.val_.engine_;
|
|
jsc_backend::BookKeep::afterCopy(wasEmtpy, this, &assign);
|
|
return *this;
|
|
}
|
|
|
|
template <typename T>
|
|
Weak<T>& Weak<T>::operator=(script::Weak<T>&& move) noexcept {
|
|
bool wasEmpty = isEmpty();
|
|
val_.ref_ = std::move(move.val_.ref_);
|
|
val_.engine_ = std::move(move.val_.engine_);
|
|
jsc_backend::BookKeep::afterMove(wasEmpty, this, &move);
|
|
return *this;
|
|
}
|
|
|
|
template <typename T>
|
|
void Weak<T>::swap(Weak& rhs) noexcept {
|
|
std::swap(val_.ref_, rhs.val_.ref_);
|
|
std::swap(val_.engine_, rhs.val_.engine_);
|
|
jsc_backend::BookKeep::afterSwap(this, &rhs);
|
|
}
|
|
|
|
template <typename T>
|
|
Weak<T>& Weak<T>::operator=(const script::Local<T>& assign) {
|
|
*this = Weak<T>(assign);
|
|
return *this;
|
|
}
|
|
|
|
template <typename T>
|
|
Local<T> Weak<T>::get() const {
|
|
auto value = getValue();
|
|
if (value.isNull()) throw Exception("get on empty Weak");
|
|
return converter::Converter<Local<T>>::toCpp(value);
|
|
}
|
|
|
|
template <typename T>
|
|
Local<Value> Weak<T>::getValue() const {
|
|
using type = typename jsc_backend::RefTypeMap<Value>::jscType;
|
|
return Local<Value>(const_cast<type>(val_.ref_.get()));
|
|
}
|
|
|
|
template <typename T>
|
|
bool Weak<T>::isEmpty() const {
|
|
return val_.ref_.isEmpty();
|
|
}
|
|
|
|
template <typename T>
|
|
void Weak<T>::reset() noexcept {
|
|
if (!isEmpty()) {
|
|
jsc_backend::BookKeep::remove(this);
|
|
val_.ref_.reset(val_.engine_);
|
|
val_.engine_ = nullptr;
|
|
}
|
|
}
|
|
|
|
} // namespace script
|