mirror of
https://github.com/quizhizhe/LiteLoaderBDS-1.16.40.git
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89 lines
2.2 KiB
C++
89 lines
2.2 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 <cstdint>
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#include <memory>
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#include <optional>
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#include <string>
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#include <utility>
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#include "../../../src/types.h"
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#include "../WasmHelper.h"
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namespace script {
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namespace wasm_backend {
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struct ByteBufferState {
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// val_ maybe any TypedArray or our "decorated shared Int8Array"
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mutable int val_ = -1;
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mutable std::shared_ptr<void> backingStore_;
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mutable size_t size_ = 0;
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mutable std::optional<ByteBuffer::Type> type_;
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/**
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* constructor to create ByteBuffer wrapping ArrayBuffer of SharedByteBuffer
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* @param val
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*/
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/*no explict*/ ByteBufferState(int val); // NOLINT
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/** constructor to create SharedByteBuffer */
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ByteBufferState(std::shared_ptr<void> backingStore, size_t size);
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ByteBufferState(ByteBufferState&& move) noexcept;
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ByteBufferState(const ByteBufferState&) = default;
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ByteBufferState& operator=(int);
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void reset() const;
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void fillTypeAndSize() const;
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void fillBackingStore() const;
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void fillWrapperIfNeed() const;
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};
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void swap(ByteBufferState& lhs, ByteBufferState& rhs);
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} // namespace wasm_backend
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namespace internal {
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template <typename T>
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struct ImplType<Local<T>> {
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using type = int;
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};
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template <>
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struct ImplType<Local<ByteBuffer>> {
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using type = wasm_backend::ByteBufferState;
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};
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template <typename T>
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struct ImplType<Global<T>> {
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using type = int;
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};
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template <typename T>
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struct ImplType<Weak<T>> {
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using type = int;
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};
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} // namespace internal
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} // namespace script
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