/* * 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 "../../src/Native.h" #include "WasmEngine.h" #include "WasmHelper.h" namespace script { template ScriptClass::ScriptClass(const ScriptClass::ConstructFromCpp) : internalState_() { auto engine = &wasm_backend::currentEngine(); // Because we only has Weak hold to obj // to prevent obj from GCed, we relay on obj be the local ref. Local out; static_assert(sizeof(int32_t) == sizeof(void*), "32-bit wasm assert"); { StackFrameScope scope; auto mark = wasm_backend::WasmEngine::make>(wasm_backend::NativeHelper::pushCppNewMark()); Local ins = Number::newNumber(reinterpret_cast(this)); auto obj = engine->newNativeClass(mark, ins); out = scope.returnValue(obj); } internalState_.scriptEngine_ = engine; internalState_.weakRef_ = out.asObject(); } template T* Arguments::engineAs() const { return script::internal::scriptDynamicCast(callbackInfo_.engine_); } } // namespace script