mirror of
https://github.com/quizhizhe/LiteLoaderBDS-1.16.40.git
synced 2025-06-06 12:03:39 +00:00
169 lines
4.8 KiB
C++
169 lines
4.8 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 <memory>
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#include <string>
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#include <unordered_map>
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#include <utility>
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#include "../../src/Engine.h"
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#include "../../src/Exception.h"
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#include "../../src/Scope.h"
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#include "../../src/utils/MessageQueue.h"
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#include "WasmHelper.h"
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namespace script::test {
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class ScriptXTestFixture;
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}
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namespace script::wasm_backend {
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class WasmEngine : public ScriptEngine {
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// < classDefine, Class >
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std::unordered_map<const void*, Global<Object>> classDefineRegistry_{};
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std::shared_ptr<utils::MessageQueue> messageQueue_ = std::make_shared<utils::MessageQueue>();
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bool ignoreDestroyCall_ = false;
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std::thread::id engineThreadId_ = {};
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WasmEngine();
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// for unit-test only
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void unitTestResetRegistry();
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public:
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static WasmEngine* instance();
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SCRIPTX_DISALLOW_COPY_AND_MOVE(WasmEngine);
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/**
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* WasmEngine can't be destroyed.
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* So the default implementation is to throw exception.
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* By WasmEngine::ignoreDestroyCall, change the behavior to ignore, and don't throw.
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*/
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static void ignoreDestroyCall();
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void destroy() override;
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bool isDestroying() const override;
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Local<Object> getGlobal() const;
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Local<Value> get(const Local<String>& key) override;
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void set(const Local<String>& key, const Local<Value>& value) override;
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using ScriptEngine::set;
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Local<Value> eval(const Local<String>& script, const Local<Value>& sourceFile);
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Local<Value> eval(const Local<String>& script, const Local<String>& sourceFile) override;
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Local<Value> eval(const Local<String>& script) override;
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using ScriptEngine::eval;
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Local<Value> loadFile(const Local<String>& scriptFile) override;
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std::shared_ptr<utils::MessageQueue> messageQueue() override;
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void gc() override;
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void adjustAssociatedMemory(int64_t count) override;
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ScriptLanguage getLanguageType() override;
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std::string getEngineVersion() override;
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protected:
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~WasmEngine() override;
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private:
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template <typename T>
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void registerNativeClassImpl(const ClassDefine<T>* classDefine);
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template <typename T>
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Local<Object> newConstructor(const ClassDefine<T>* classDefine);
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template <typename T>
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void defineInstance(const ClassDefine<T>* classDefine, const Local<Object>& obj);
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static Local<Object> getNamespaceForRegister(const std::string_view& nameSpace);
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void defineStatic(const Local<Object>& obj, const internal::StaticDefine& define);
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static void* verifyAndGetInstance(const void* classDefine, int thiz);
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template <typename T>
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Local<Object> newNativeClassImpl(const ClassDefine<T>* classDefine, size_t size,
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const Local<Value>* args);
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template <typename T>
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bool isInstanceOfImpl(const Local<Value>& value, const ClassDefine<T>* classDefine);
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template <typename T>
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T* getNativeInstanceImpl(const Local<Value>& value, const ClassDefine<T>* classDefine);
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private:
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// helpers
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template <typename T>
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static auto&& refIndex(const Local<T>& ref) {
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return ref.val_;
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}
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template <typename T>
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static int refIndex(const Weak<T>& ref) {
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return ref.val_;
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}
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template <typename T, typename... Args>
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static T make(Args&&... args) {
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return T(std::forward<Args>(args)...);
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}
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friend class ::script::ScriptEngine;
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friend class ::script::ScriptClass;
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friend class ::script::Exception;
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friend class ::script::Object;
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friend class ::script::Arguments;
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friend class Stack;
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friend class WasmEngineScope;
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friend class WasmStackFrameScope;
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friend struct ::script::wasm_interop;
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friend class ByteBufferHelper;
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friend Local<Value> callFunction(const Local<Function>& func, const Local<Value>& thiz,
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size_t size, const Local<Value>* args);
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friend void invokeFunctionHelper(Stack::RawFunctionType func, void* ptr0, void* ptr1,
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int stackBase, WasmEngine* engine);
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static void doDeleteScriptClass(ScriptClass* scriptClass);
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friend void deleteScriptClassHelper(ScriptClass* scriptClass);
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friend WasmEngine& currentEngine();
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// UnitTest
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friend class ::script::test::ScriptXTestFixture;
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};
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} // namespace script::wasm_backend
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