// SPDX-License-Identifier: Apache-2.0

// SPDX-FileCopyrightText: 2019-2024 Second State INC

//===-- wasmedge/ast/component/start.h - Start class definition -----------===//

//

// Part of the WasmEdge Project.

//

//===----------------------------------------------------------------------===//

///

/// \file

/// This file contains the declaration of the Start node class.

///

//===----------------------------------------------------------------------===//

#pragma once

#include "ast/component/type.h"

#include "common/span.h"

#include <vector>

namespace WasmEdge {

namespace AST {

namespace Component {

// start ::= f:<funcidx> arg*:vec(<valueidx>) r:<u32>

//         => (start f (value arg)* (result (value))ʳ)

/// AST Component::Start node.

class Start {

public:

  uint32_t getFunctionIndex() const noexcept { return FuncIdx; }

  uint32_t &getFunctionIndex() noexcept { return FuncIdx; }

  Span<const uint32_t> getArguments() const noexcept { return Args; }

  std::vector<uint32_t> &getArguments() noexcept { return Args; }

  uint32_t getResult() const noexcept { return Result; }

  uint32_t &getResult() noexcept { return Result; }

private:

  uint32_t FuncIdx;

  std::vector<uint32_t> Args;

  uint32_t Result;

};

} // namespace Component

} // namespace AST

} // namespace WasmEdge