// SPDX-License-Identifier: Apache-2.0

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

#pragma once

#include "ast/instruction.h"

#include "common/symbol.h"

#include "runtime/component/hostfunc.h"

#include <memory>

#include <numeric>

#include <string>

#include <vector>

namespace WasmEdge {

namespace Runtime {

namespace Instance {

namespace Component {

class FunctionInstance {

public:

  FunctionInstance() = delete;

  /// Move constructor.

  FunctionInstance(FunctionInstance &&Inst) noexcept

      : FuncType(Inst.FuncType), Data(std::move(Inst.Data)) {}

  FunctionInstance(

      std::unique_ptr<WasmEdge::Runtime::Component::HostFunctionBase>

          &&Func) noexcept

      : FuncType(Func->getFuncType()), Data(std::move(Func)) {}

  const AST::FunctionType &getFuncType() const noexcept { return FuncType; }

  WasmEdge::Runtime::Component::HostFunctionBase &getHostFunc() const noexcept {

    return *Data;

  }

private:

  AST::FunctionType FuncType;

  std::unique_ptr<WasmEdge::Runtime::Component::HostFunctionBase> Data;

};

} // namespace Component

} // namespace Instance

} // namespace Runtime

} // namespace WasmEdge