tools/llvm-readobj/Error.h

   1 //===- Error.h - system_error extensions for llvm-readobj -------*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // This declares a new error_category for the llvm-readobj tool.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #ifndef LLVM_TOOLS_LLVM_READOBJ_ERROR_H
  15 #define LLVM_TOOLS_LLVM_READOBJ_ERROR_H
  16
  17 #include <system_error>
  18
  19 namespace llvm {
  20 const std::error_category &readobj_category();
  21
  22 enum class readobj_error {
  23   success = 0,
  24   file_not_found,
  25   unsupported_file_format,
  26   unrecognized_file_format,
  27   unsupported_obj_file_format,
  28   unknown_symbol
  29 };
  30
  31 inline std::error_code make_error_code(readobj_error e) {
  32   return std::error_code(static_cast<int>(e), readobj_category());
  33 }
  34
  35 } // namespace llvm
  36
  37 namespace std {
  38 template <> struct is_error_code_enum<llvm::readobj_error> : std::true_type {};
  39 }
  40
  41 #endif