offload/include/Shared/OffloadError.h

//===- OffloadError.h - Definition of error class -------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
//===----------------------------------------------------------------------===//

#ifndef OPENMP_LIBOMPTARGET_PLUGINS_NEXTGEN_COMMON_OFFLOAD_ERROR_H
#define OPENMP_LIBOMPTARGET_PLUGINS_NEXTGEN_COMMON_OFFLOAD_ERROR_H

#include "llvm/Support/Error.h"
#include "llvm/Support/ErrorHandling.h"

namespace error {

enum class ErrorCode {
#define OFFLOAD_ERRC(Name, _, Value) Name = Value,
#include "Shared/OffloadErrcodes.inc"
#undef OFFLOAD_ERRC
};

} // namespace error

namespace std {
template <> struct is_error_code_enum<error::ErrorCode> : std::true_type {};
} // namespace std

namespace error {

const std::error_category &OffloadErrCategory();

inline std::error_code make_error_code(ErrorCode E) {
  return std::error_code(static_cast<int>(E), OffloadErrCategory());
}

/// Base class for errors originating in DIA SDK, e.g. COM calls
class OffloadError : public llvm::ErrorInfo<OffloadError, llvm::StringError> {
public:
  using ErrorInfo<OffloadError, StringError>::ErrorInfo;

  OffloadError(const llvm::Twine &S) : ErrorInfo(S, ErrorCode::UNKNOWN) {}

  // The definition for this resides in the plugin static library
  static char ID;
};
} // namespace error

#endif