mirror of
https://github.com/quizhizhe/LiteLoaderBDS-1.16.40.git
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66 lines
2.0 KiB
C++
66 lines
2.0 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 "../../src/Native.hpp"
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#include "LuaEngine.h"
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#include "LuaHelper.hpp"
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namespace script {
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template <typename T>
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ScriptClass::ScriptClass(const ScriptClass::ConstructFromCpp<T>) : internalState_() {
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auto engine = lua_backend::currentEngine();
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// Out must be outside of StackFrameScope.
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// Because we only has Weak<Object> hold to obj
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// to prevent obj from GCed, we relay on obj be the local ref.
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Local<Value> out;
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{
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StackFrameScope scope;
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auto lua = engine->lua_;
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lua_pushlightuserdata(lua,
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const_cast<void *>(lua_backend::LuaEngine::kLuaNativeConstructorMarker_));
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auto mark = lua_gettop(lua);
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lua_pushlightuserdata(lua, this);
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auto thiz = lua_gettop(lua);
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auto obj = engine->newNativeClass<T>(lua_backend::LuaEngine::make<Local<Value>>(mark),
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lua_backend::LuaEngine::make<Local<Value>>(thiz));
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out = scope.returnValue(obj);
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}
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internalState_.scriptEngine_ = engine;
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internalState_.weakRef_ = out.asObject();
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}
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template <typename T>
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T *ScriptClass::getScriptEngineAs() const {
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return script::internal::scriptDynamicCast<T *>(internalState_.scriptEngine_);
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}
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template <typename T>
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T *Arguments::engineAs() const {
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return script::internal::scriptDynamicCast<T *>(callbackInfo_.engine);
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}
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} // namespace script
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