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