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 13 using namespace llvm; 14 using namespace llvm::msf; 15 16 namespace { 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. 20 class MSFErrorCategory : public std::error_category { 21 public: name() const22 const char *name() const noexcept override { return "llvm.msf"; } message(int Condition) const23 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 MSFErrCategory()54const std::error_category &llvm::msf::MSFErrCategory() { 55 static MSFErrorCategory MSFCategory; 56 return MSFCategory; 57 } 58 59 char MSFError::ID; 60