1//===- MSFError.h - Error extensions for MSF Files --------------*- 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_MSF_MSFERROR_H
10#define LLVM_DEBUGINFO_MSF_MSFERROR_H
11
12#include "llvm/Support/Error.h"
13
14namespace llvm {
15namespace msf {
16enum class msf_error_code {
17 unspecified = 1,
18 insufficient_buffer,
19 not_writable,
20 no_stream,
21 invalid_format,
22 block_in_use,
23 size_overflow_4096,
24 size_overflow_8192,
25 size_overflow_16384,
26 size_overflow_32768,
27 stream_directory_overflow,
28};
29} // namespace msf
30} // namespace llvm
31
32namespace std {
33template <>
34struct is_error_code_enum<llvm::msf::msf_error_code> : std::true_type {};
35} // namespace std
36
37namespace llvm {
38namespace msf {
39const std::error_category &MSFErrCategory();
40
41inline std::error_code make_error_code(msf_error_code E) {
42 return std::error_code(static_cast<int>(E), MSFErrCategory());
43}
44
45/// Base class for errors originating when parsing raw PDB files
46class MSFError : public ErrorInfo<MSFError, StringError> {
47public:
48 using ErrorInfo<MSFError, StringError>::ErrorInfo; // inherit constructors
49 MSFError(const Twine &S) : ErrorInfo(S, msf_error_code::unspecified) {}
50
51 bool isPageOverflow() const {
52 switch (static_cast<msf_error_code>(convertToErrorCode().value())) {
53 case msf_error_code::unspecified:
54 case msf_error_code::insufficient_buffer:
55 case msf_error_code::not_writable:
56 case msf_error_code::no_stream:
57 case msf_error_code::invalid_format:
58 case msf_error_code::block_in_use:
59 return false;
60 case msf_error_code::size_overflow_4096:
61 case msf_error_code::size_overflow_8192:
62 case msf_error_code::size_overflow_16384:
63 case msf_error_code::size_overflow_32768:
64 case msf_error_code::stream_directory_overflow:
65 return true;
66 }
67 llvm_unreachable("msf error code not implemented");
68 }
69
70 static char ID;
71};
72} // namespace msf
73} // namespace llvm
74
75#endif // LLVM_DEBUGINFO_MSF_MSFERROR_H
76

source code of llvm/include/llvm/DebugInfo/MSF/MSFError.h