tools/llvm-readobj/Error.h

   1 //===- Error.h - system_error extensions for llvm-readobj -------*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // This declares a new error_category for the llvm-readobj tool.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #ifndef LLVM_TOOLS_LLVM_READOBJ_ERROR_H
  14 #define LLVM_TOOLS_LLVM_READOBJ_ERROR_H
  15
  16 #include <system_error>
  17
  18 namespace llvm {
  19 const std::error_category &readobj_category();
  20
  21 enum class readobj_error {
  22   success = 0,
  23   file_not_found,
  24   unsupported_file_format,
  25   unrecognized_file_format,
  26   unsupported_obj_file_format,
  27   unknown_symbol
  28 };
  29
  30 inline std::error_code make_error_code(readobj_error e) {
  31   return std::error_code(static_cast<int>(e), readobj_category());
  32 }
  33
  34 } // namespace llvm
  35
  36 namespace std {
  37 template <> struct is_error_code_enum<llvm::readobj_error> : std::true_type {};
  38 }
  39
  40 #endif