include/llvm/DebugInfo/PDB/Native/RawError.h

   1 //===- RawError.h - Error extensions for raw PDB implementation -*- 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_RAW_RAWERROR_H
  10 #define LLVM_DEBUGINFO_PDB_RAW_RAWERROR_H
  11
  12 #include "llvm/Support/Error.h"
  13
  14 #include <string>
  15
  16 namespace llvm {
  17 namespace pdb {
  18 enum class raw_error_code {
  19   unspecified = 1,
  20   feature_unsupported,
  21   invalid_format,
  22   corrupt_file,
  23   insufficient_buffer,
  24   no_stream,
  25   index_out_of_bounds,
  26   invalid_block_address,
  27   duplicate_entry,
  28   no_entry,
  29   not_writable,
  30   stream_too_long,
  31   invalid_tpi_hash,
  32 };
  33 } // namespace pdb
  34 } // namespace llvm
  35
  36 namespace std {
  37 template <>
  38 struct is_error_code_enum<llvm::pdb::raw_error_code> : std::true_type {};
  39 } // namespace std
  40
  41 namespace llvm {
  42 namespace pdb {
  43 const std::error_category &RawErrCategory();
  44
  45 inline std::error_code make_error_code(raw_error_code E) {
  46   return std::error_code(static_cast<int>(E), RawErrCategory());
  47 }
  48
  49 /// Base class for errors originating when parsing raw PDB files
  50 class RawError : public ErrorInfo<RawError, StringError> {
  51 public:
  52   using ErrorInfo<RawError, StringError>::ErrorInfo; // inherit constructors
  53   RawError(const Twine &S) : ErrorInfo(S, raw_error_code::unspecified) {}
  54   static char ID;
  55 };
  56 } // namespace pdb
  57 } // namespace llvm
  58 #endif