1//===- MSFError.cpp - Error extensions for MSF files ------------*- 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/MSF/MSFError.h"
10#include "llvm/Support/ErrorHandling.h"
11#include "llvm/Support/ManagedStatic.h"
12
13using namespace llvm;
14using namespace llvm::msf;
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 MSFErrorCategory : public std::error_category {
21public:
22  const char *name() const noexcept override { return "llvm.msf"; }
23  std::string message(int Condition) const override {
24    switch (static_cast<msf_error_code>(Condition)) {
25    case msf_error_code::unspecified:
26      return "An unknown error has occurred.";
27    case msf_error_code::insufficient_buffer:
28      return "The buffer is not large enough to read the requested number of "
29             "bytes.";
30    case msf_error_code::not_writable:
31      return "The specified stream is not writable.";
32    case msf_error_code::no_stream:
33      return "The specified stream does not exist.";
34    case msf_error_code::invalid_format:
35      return "The data is in an unexpected format.";
36    case msf_error_code::block_in_use:
37      return "The block is already in use.";
38    }
39    llvm_unreachable("Unrecognized msf_error_code");
40  }
41};
42} // namespace
43
44static llvm::ManagedStatic<MSFErrorCategory> MSFCategory;
45const std::error_category &llvm::msf::MSFErrCategory() { return *MSFCategory; }
46
47char MSFError::ID;
48