// SPDX-License-Identifier: Apache-2.0

// SPDX-FileCopyrightText: Copyright The WasmEdge Authors

#include "loader/loader.h"

namespace WasmEdge {

namespace Loader {

// Load to construct Expression node. See "include/loader/loader.h".

Expect<void> Loader::loadExpression(AST::Expression &Expr,

                                    std::optional<uint64_t> SizeBound) {

  return loadInstrSeq(SizeBound)

      .map_error([](auto E) {

        // The caller checks for section size mismatches.

        spdlog::error(ErrInfo::InfoAST(ASTNodeAttr::Expression));

        return E;

      })

      .and_then([&](auto Instrs) {

        Expr.getInstrs() = Instrs;

        return Expect<void>{};

      });

}

} // namespace Loader

} // namespace WasmEdge