llvm-project/llvm/lib/DebugInfo/CodeView/CodeViewError.cpp

50 lines
1.9 KiB
C++

//===- CodeViewError.cpp - Error extensions for CodeView --------*- 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/CodeView/CodeViewError.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/ManagedStatic.h"
using namespace llvm;
using namespace llvm::codeview;
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 CodeViewErrorCategory : public std::error_category {
public:
const char *name() const noexcept override { return "llvm.codeview"; }
std::string message(int Condition) const override {
switch (static_cast<cv_error_code>(Condition)) {
case cv_error_code::unspecified:
return "An unknown CodeView error has occurred.";
case cv_error_code::insufficient_buffer:
return "The buffer is not large enough to read the requested number of "
"bytes.";
case cv_error_code::corrupt_record:
return "The CodeView record is corrupted.";
case cv_error_code::no_records:
return "There are no records.";
case cv_error_code::operation_unsupported:
return "The requested operation is not supported.";
case cv_error_code::unknown_member_record:
return "The member record is of an unknown type.";
}
llvm_unreachable("Unrecognized cv_error_code");
}
};
} // namespace
static llvm::ManagedStatic<CodeViewErrorCategory> CodeViewErrCategory;
const std::error_category &llvm::codeview::CVErrorCategory() {
return *CodeViewErrCategory;
}
char CodeViewError::ID;