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 #include <string> 13 14 using namespace llvm; 15 using namespace llvm::msf; 16 17 namespace { 18 // FIXME: This class is only here to support the transition to llvm::Error. It 19 // will be removed once this transition is complete. Clients should prefer to 20 // deal with the Error value directly, rather than converting to error_code. 21 class MSFErrorCategory : public std::error_category { 22 public: 23 const char *name() const noexcept override { return "llvm.msf"; } 24 std::string message(int Condition) const override { 25 switch (static_cast<msf_error_code>(Condition)) { 26 case msf_error_code::unspecified: 27 return "An unknown error has occurred."; 28 case msf_error_code::insufficient_buffer: 29 return "The buffer is not large enough to read the requested number of " 30 "bytes."; 31 case msf_error_code::size_overflow: 32 return "Output data is larger than 4 GiB."; 33 case msf_error_code::not_writable: 34 return "The specified stream is not writable."; 35 case msf_error_code::no_stream: 36 return "The specified stream does not exist."; 37 case msf_error_code::invalid_format: 38 return "The data is in an unexpected format."; 39 case msf_error_code::block_in_use: 40 return "The block is already in use."; 41 } 42 llvm_unreachable("Unrecognized msf_error_code"); 43 } 44 }; 45 } // namespace 46 47 static llvm::ManagedStatic<MSFErrorCategory> MSFCategory; 48 const std::error_category &llvm::msf::MSFErrCategory() { return *MSFCategory; } 49 50 char MSFError::ID; 51