include/llvm/DebugInfo/PDB/GenericError.h

   1 //===- GenericError.h - system_error extensions for PDB ---------*- 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_DEBUGINFO_PDB_ERROR_H
  10 #define LLVM_DEBUGINFO_PDB_ERROR_H
  11
  12 #include "llvm/ADT/StringRef.h"
  13 #include "llvm/Support/Error.h"
  14
  15 namespace llvm {
  16 namespace pdb {
  17
  18 enum class pdb_error_code {
  19   invalid_utf8_path = 1,
  20   dia_sdk_not_present,
  21   dia_failed_loading,
  22   signature_out_of_date,
  23   no_matching_pch,
  24   unspecified,
  25 };
  26 } // namespace pdb
  27 } // namespace llvm
  28
  29 namespace std {
  30 template <>
  31 struct is_error_code_enum<llvm::pdb::pdb_error_code> : std::true_type {};
  32 } // namespace std
  33
  34 namespace llvm {
  35 namespace pdb {
  36 const std::error_category &PDBErrCategory();
  37
  38 inline std::error_code make_error_code(pdb_error_code E) {
  39   return std::error_code(static_cast<int>(E), PDBErrCategory());
  40 }
  41
  42 /// Base class for errors originating when parsing raw PDB files
  43 class PDBError : public ErrorInfo<PDBError, StringError> {
  44 public:
  45   using ErrorInfo<PDBError, StringError>::ErrorInfo; // inherit constructors
  46   PDBError(const Twine &S) : ErrorInfo(S, pdb_error_code::unspecified) {}
  47   static char ID;
  48 };
  49 } // namespace pdb
  50 } // namespace llvm
  51 #endif