tools/obj2yaml/Error.h

   1 //===- Error.h - system_error extensions for obj2yaml -----------*- 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 #ifndef LLVM_TOOLS_OBJ2YAML_ERROR_H
  10 #define LLVM_TOOLS_OBJ2YAML_ERROR_H
  11
  12 #include "llvm/Support/Error.h"
  13
  14 #include <system_error>
  15
  16 namespace llvm {
  17 const std::error_category &obj2yaml_category();
  18
  19 enum class obj2yaml_error {
  20   success = 0,
  21   file_not_found,
  22   unrecognized_file_format,
  23   unsupported_obj_file_format,
  24   not_implemented
  25 };
  26
  27 inline std::error_code make_error_code(obj2yaml_error e) {
  28   return std::error_code(static_cast<int>(e), obj2yaml_category());
  29 }
  30
  31 class Obj2YamlError : public ErrorInfo<Obj2YamlError> {
  32 public:
  33   static char ID;
  34   Obj2YamlError(obj2yaml_error C) : Code(C) {}
  35   Obj2YamlError(std::string ErrMsg) : ErrMsg(std::move(ErrMsg)) {}
  36   Obj2YamlError(obj2yaml_error C, std::string ErrMsg)
  37       : ErrMsg(std::move(ErrMsg)), Code(C) {}
  38   void log(raw_ostream &OS) const override;
  39   const std::string &getErrorMessage() const { return ErrMsg; }
  40   std::error_code convertToErrorCode() const override;
  41
  42 private:
  43   std::string ErrMsg;
  44   obj2yaml_error Code;
  45 };
  46
  47 } // namespace llvm
  48
  49 namespace std {
  50 template <> struct is_error_code_enum<llvm::obj2yaml_error> : std::true_type {};
  51 }
  52
  53 #endif