| //===- MSFError.h - Error extensions for MSF Files --------------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_DEBUGINFO_MSF_MSFERROR_H |
| #define LLVM_DEBUGINFO_MSF_MSFERROR_H |
| |
| #include "llvm/Support/Error.h" |
| |
| namespace llvm { |
| namespace msf { |
| enum class msf_error_code { |
| unspecified = 1, |
| insufficient_buffer, |
| not_writable, |
| no_stream, |
| invalid_format, |
| block_in_use, |
| size_overflow_4096, |
| size_overflow_8192, |
| size_overflow_16384, |
| size_overflow_32768, |
| stream_directory_overflow, |
| }; |
| } // namespace msf |
| } // namespace llvm |
| |
| namespace std { |
| template <> |
| struct is_error_code_enum<llvm::msf::msf_error_code> : std::true_type {}; |
| } // namespace std |
| |
| namespace llvm { |
| namespace msf { |
| const std::error_category &MSFErrCategory(); |
| |
| inline std::error_code make_error_code(msf_error_code E) { |
| return std::error_code(static_cast<int>(E), MSFErrCategory()); |
| } |
| |
| /// Base class for errors originating when parsing raw PDB files |
| class MSFError : public ErrorInfo<MSFError, StringError> { |
| public: |
| using ErrorInfo<MSFError, StringError>::ErrorInfo; // inherit constructors |
| MSFError(const Twine &S) : ErrorInfo(S, msf_error_code::unspecified) {} |
| |
| bool isPageOverflow() const { |
| switch (static_cast<msf_error_code>(convertToErrorCode().value())) { |
| case msf_error_code::unspecified: |
| case msf_error_code::insufficient_buffer: |
| case msf_error_code::not_writable: |
| case msf_error_code::no_stream: |
| case msf_error_code::invalid_format: |
| case msf_error_code::block_in_use: |
| return false; |
| case msf_error_code::size_overflow_4096: |
| case msf_error_code::size_overflow_8192: |
| case msf_error_code::size_overflow_16384: |
| case msf_error_code::size_overflow_32768: |
| case msf_error_code::stream_directory_overflow: |
| return true; |
| } |
| llvm_unreachable("msf error code not implemented"); |
| } |
| |
| static char ID; |
| }; |
| } // namespace msf |
| } // namespace llvm |
| |
| #endif // LLVM_DEBUGINFO_MSF_MSFERROR_H |