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//===- 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
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