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| //===- Error.cpp - system_error extensions for PDB --------------*- 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
//
//===----------------------------------------------------------------------===//
#include "llvm/DebugInfo/PDB/GenericError.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/ManagedStatic.h"
using namespace llvm;
using namespace llvm::pdb;
namespace {
// FIXME: This class is only here to support the transition to llvm::Error. It
// will be removed once this transition is complete. Clients should prefer to
// deal with the Error value directly, rather than converting to error_code.
class PDBErrorCategory : public std::error_category {
public:
const char *name() const noexcept override { return "llvm.pdb"; }
std::string message(int Condition) const override {
switch (static_cast<pdb_error_code>(Condition)) {
case pdb_error_code::unspecified:
return "An unknown error has occurred.";
case pdb_error_code::dia_sdk_not_present:
return "LLVM was not compiled with support for DIA. This usually means "
"that you are not using MSVC, or your Visual Studio "
"installation is corrupt.";
case pdb_error_code::dia_failed_loading:
return "DIA is only supported when using MSVC.";
case pdb_error_code::invalid_utf8_path:
return "The PDB file path is an invalid UTF8 sequence.";
case pdb_error_code::signature_out_of_date:
return "The signature does not match; the file(s) might be out of date.";
case pdb_error_code::no_matching_pch:
return "No matching precompiled header could be located.";
}
llvm_unreachable("Unrecognized generic_error_code");
}
};
} // namespace
static llvm::ManagedStatic<PDBErrorCategory> PDBCategory;
const std::error_category &llvm::pdb::PDBErrCategory() { return *PDBCategory; }
char PDBError::ID;
|