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llvm-mirror/include/llvm/DebugInfo/PDB/DIA/DIAError.h
Alexandre Ganea 487196fe1d [DebugInfo] Common behavior for error types
Following D50807, and heading towards D50664, this intermediary change does the following:

1. Upgrade all custom Error types in llvm/trunk/lib/DebugInfo/ to use the new StringError behavior (D50807).
2. Implement std::is_error_code_enum and make_error_code() for DebugInfo error enumerations.
3. Rename GenericError -> PDBError (the file will be renamed in a subsequent commit)
4. Update custom error messages to follow the same formatting: (\w\s*)+\.
5. Keep generic "file not found" (ENOENT) errors as they are in PDB code. Previously, there used to be a custom enumeration for that purpose.
6. Remove a few extraneous LF in log() implementations. Printing LF is a responsability at a higher level, not at the error level.

Differential Revision: https://reviews.llvm.org/D51499

llvm-svn: 341228
2018-08-31 17:41:58 +00:00

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1.3 KiB
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//===- DIAError.h - Error extensions for PDB DIA implementation -*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_DEBUGINFO_PDB_DIA_DIAERROR_H
#define LLVM_DEBUGINFO_PDB_DIA_DIAERROR_H
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/Error.h"
namespace llvm {
namespace pdb {
enum class dia_error_code {
unspecified = 1,
could_not_create_impl,
invalid_file_format,
invalid_parameter,
already_loaded,
debug_info_mismatch,
};
} // namespace pdb
} // namespace llvm
namespace std {
template <>
struct is_error_code_enum<llvm::pdb::dia_error_code> : std::true_type {};
} // namespace std
namespace llvm {
namespace pdb {
const std::error_category &DIAErrCategory();
inline std::error_code make_error_code(dia_error_code E) {
return std::error_code(static_cast<int>(E), DIAErrCategory());
}
/// Base class for errors originating in DIA SDK, e.g. COM calls
class DIAError : public ErrorInfo<DIAError, StringError> {
public:
using ErrorInfo<DIAError, StringError>::ErrorInfo;
DIAError(const Twine &S) : ErrorInfo(S, dia_error_code::unspecified) {}
static char ID;
};
} // namespace pdb
} // namespace llvm
#endif