tools/llvm-cxxdump/Error.h

   1 //===- Error.h - system_error extensions for llvm-cxxdump -------*- 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-cxxdump tool.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #ifndef LLVM_TOOLS_LLVM_CXXDUMP_ERROR_H
  15 #define LLVM_TOOLS_LLVM_CXXDUMP_ERROR_H
  16
  17 #include <system_error>
  18
  19 namespace llvm {
  20 const std::error_category &cxxdump_category();
  21
  22 enum class cxxdump_error {
  23   success = 0,
  24   file_not_found,
  25   unrecognized_file_format,
  26 };
  27
  28 inline std::error_code make_error_code(cxxdump_error e) {
  29   return std::error_code(static_cast<int>(e), cxxdump_category());
  30 }
  31
  32 } // namespace llvm
  33
  34 namespace std {
  35 template <>
  36 struct is_error_code_enum<llvm::cxxdump_error> : std::true_type {};
  37 }
  38
  39 #endif