60 lines · cpp
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-exception6//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. It18// will be removed once this transition is complete. Clients should prefer to19// 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} // namespace53 54const std::error_category &llvm::msf::MSFErrCategory() {55 static MSFErrorCategory MSFCategory;56 return MSFCategory;57}58 59char MSFError::ID;60