llvm-mirror/include/llvm/Object/Error.h

//===- Error.h - system_error extensions for Object -------------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This declares a new error_category for the Object library.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_OBJECT_ERROR_H
#define LLVM_OBJECT_ERROR_H

#include "llvm/Support/system_error.h"

namespace llvm {
namespace object {

const error_category &object_category();

struct object_error {
  enum Impl {
    success = 0,
    arch_not_found,
    invalid_file_type,
    parse_failed,
    unexpected_eof
  };
  Impl V;

  object_error(Impl V) : V(V) {}
  operator Impl() const { return V; }
};

inline error_code make_error_code(object_error e) {
  return error_code(static_cast<int>(e), object_category());
}

} // end namespace object.

template <> struct is_error_code_enum<object::object_error> : true_type { };

template <> struct is_error_code_enum<object::object_error::Impl> : true_type {
};

} // end namespace llvm.

#endif