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 <string>
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::size_overflow_4096:
31 return "Output data is larger than 4 GiB.";
32 case msf_error_code::size_overflow_8192:
33 return "Output data is larger than 8 GiB.";
34 case msf_error_code::size_overflow_16384:
35 return "Output data is larger than 16 GiB.";
36 case msf_error_code::size_overflow_32768:
37 return "Output data is larger than 32 GiB.";
38 case msf_error_code::not_writable:
39 return "The specified stream is not writable.";
40 case msf_error_code::no_stream:
41 return "The specified stream does not exist.";
42 case msf_error_code::invalid_format:
43 return "The data is in an unexpected format.";
44 case msf_error_code::block_in_use:
45 return "The block is already in use.";
46 case msf_error_code::stream_directory_overflow:
47 return "PDB stream directory too large.";
48 }
49 llvm_unreachable("Unrecognized msf_error_code");
50 }
51};
52} // namespace
53
54const std::error_category &llvm::msf::MSFErrCategory() {
55 static MSFErrorCategory MSFCategory;
56 return MSFCategory;
57}
58
59char MSFError::ID;
60