1 //===- Error.cpp - system_error extensions for obj2yaml ---------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include "Error.h" 11 #include "llvm/Support/ErrorHandling.h" 12 13 using namespace llvm; 14 15 namespace { 16 // FIXME: This class is only here to support the transition to llvm::Error. It 17 // will be removed once this transition is complete. Clients should prefer to 18 // deal with the Error value directly, rather than converting to error_code. 19 class _obj2yaml_error_category : public std::error_category { 20 public: 21 const char *name() const LLVM_NOEXCEPT override; 22 std::string message(int ev) const override; 23 }; 24 } // namespace 25 name() const26const char *_obj2yaml_error_category::name() const LLVM_NOEXCEPT { 27 return "obj2yaml"; 28 } 29 message(int ev) const30std::string _obj2yaml_error_category::message(int ev) const { 31 switch (static_cast<obj2yaml_error>(ev)) { 32 case obj2yaml_error::success: 33 return "Success"; 34 case obj2yaml_error::file_not_found: 35 return "No such file."; 36 case obj2yaml_error::unrecognized_file_format: 37 return "Unrecognized file type."; 38 case obj2yaml_error::unsupported_obj_file_format: 39 return "Unsupported object file format."; 40 case obj2yaml_error::not_implemented: 41 return "Feature not yet implemented."; 42 } 43 llvm_unreachable("An enumerator of obj2yaml_error does not have a message " 44 "defined."); 45 } 46 47 namespace llvm { 48 obj2yaml_category()49const std::error_category &obj2yaml_category() { 50 static _obj2yaml_error_category o; 51 return o; 52 } 53 54 char Obj2YamlError::ID = 0; 55 log(raw_ostream & OS) const56void Obj2YamlError::log(raw_ostream &OS) const { OS << ErrMsg << "\n"; } 57 convertToErrorCode() const58std::error_code Obj2YamlError::convertToErrorCode() const { 59 return std::error_code(static_cast<int>(Code), obj2yaml_category()); 60 } 61 62 } // namespace llvm 63