mirror of
https://github.com/quizhizhe/LiteLoaderBDS-1.16.40.git
synced 2025-06-06 20:03:51 +00:00
131 lines
3.5 KiB
C++
131 lines
3.5 KiB
C++
/*
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* Tencent is pleased to support the open source community by making ScriptX available.
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* Copyright (C) 2021 THL A29 Limited, a Tencent company. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <type_traits>
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#include "../../../src/foundation.h"
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#include "../../../src/types.h"
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#include "../../../src/utils/GlobalWeakBookkeeping.hpp"
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#include "../V8Helper.h"
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namespace script {
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namespace v8_backend {
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// T is script type
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// type is mapped v8 type
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template <typename T>
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struct _V8ValueType {};
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template <typename T>
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using V8ValueType = typename _V8ValueType<T>::type;
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#define TypeMap(scriptType, v8Type) \
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template <> \
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struct _V8ValueType<scriptType> { \
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using type = v8Type; \
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}
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TypeMap(::script::Value, v8::Value);
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TypeMap(::script::Object, v8::Object);
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TypeMap(::script::String, v8::String);
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TypeMap(::script::Number, v8::Number);
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TypeMap(::script::Boolean, v8::Boolean);
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TypeMap(::script::Function, v8::Function);
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TypeMap(::script::Array, v8::Array);
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TypeMap(::script::ByteBuffer, v8::Value);
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TypeMap(::script::Unsupported, v8::Value);
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#undef TypeMap
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template <typename T>
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class GlobalRefState {
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private:
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using V8Global =
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typename ::v8::CopyablePersistentTraits<v8_backend::V8ValueType<T>>::CopyablePersistent;
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public:
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V8Engine* engine_ = nullptr;
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V8Global ref_{};
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::script::internal::GlobalWeakBookkeeping::HandleType handle_{};
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GlobalRefState() = default;
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GlobalRefState(V8Engine* scriptEngine, const Local<T>& localReference);
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GlobalRefState(V8Engine* scriptEngine, const V8Global& v8Global);
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GlobalRefState(const GlobalRefState& copy) : engine_(copy.engine_), ref_(copy.ref_) {}
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GlobalRefState(GlobalRefState&& move) noexcept
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: engine_(move.engine_), ref_(std::move(move.ref_)) {
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// v8 Ref don't have a move assign
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// this is still a copy
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move.ref_.Reset();
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move.engine_ = nullptr;
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}
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GlobalRefState& operator=(const GlobalRefState& assign) {
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if (this != &assign) {
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engine_ = assign.engine_;
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ref_ = assign.ref_;
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}
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return *this;
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}
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GlobalRefState& operator=(GlobalRefState&& assign) noexcept {
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if (this != &assign) {
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engine_ = assign.engine_;
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// v8 Ref don't have a move assign
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// this is still a copy
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ref_ = std::move(assign.ref_);
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assign.ref_.Reset();
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assign.engine_ = nullptr;
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}
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return *this;
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}
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void swap(GlobalRefState& other) {
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std::swap(ref_, other.ref_);
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std::swap(engine_, other.engine_);
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}
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void makeWeak() {
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if (!ref_.IsEmpty()) ref_.SetWeak();
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}
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};
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} // namespace v8_backend
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template <typename T>
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struct internal::ImplType<Local<T>> {
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using type = typename v8::Local<v8_backend::V8ValueType<T>>;
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};
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template <typename T>
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struct internal::ImplType<Global<T>> {
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using type = typename v8_backend::GlobalRefState<T>;
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};
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template <typename T>
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struct internal::ImplType<Weak<T>> {
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using type = typename v8_backend::GlobalRefState<T>;
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};
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} // namespace script
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