1//===- CodeViewError.cpp - Error extensions for CodeView --------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "llvm/DebugInfo/CodeView/CodeViewError.h"
10#include "llvm/Support/ErrorHandling.h"
11#include <string>
12
13using namespace llvm;
14using namespace llvm::codeview;
15
16namespace {
17// FIXME: This class is only here to support the transition to llvm::Error. It
18// will be removed once this transition is complete. Clients should prefer to
19// deal with the Error value directly, rather than converting to error_code.
20class CodeViewErrorCategory : public std::error_category {
21public:
22 const char *name() const noexcept override { return "llvm.codeview"; }
23 std::string message(int Condition) const override {
24 switch (static_cast<cv_error_code>(Condition)) {
25 case cv_error_code::unspecified:
26 return "An unknown CodeView error has occurred.";
27 case cv_error_code::insufficient_buffer:
28 return "The buffer is not large enough to read the requested number of "
29 "bytes.";
30 case cv_error_code::corrupt_record:
31 return "The CodeView record is corrupted.";
32 case cv_error_code::no_records:
33 return "There are no records.";
34 case cv_error_code::operation_unsupported:
35 return "The requested operation is not supported.";
36 case cv_error_code::unknown_member_record:
37 return "The member record is of an unknown type.";
38 }
39 llvm_unreachable("Unrecognized cv_error_code");
40 }
41};
42} // namespace
43
44const std::error_category &llvm::codeview::CVErrorCategory() {
45 static CodeViewErrorCategory CodeViewErrCategory;
46 return CodeViewErrCategory;
47}
48
49char CodeViewError::ID;
50