1 //===- Error.h - 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 #ifndef LLVM_TOOLS_OBJ2YAML_ERROR_H 11 #define LLVM_TOOLS_OBJ2YAML_ERROR_H 12 13 #include "llvm/Support/Error.h" 14 15 #include <system_error> 16 17 namespace llvm { 18 const std::error_category &obj2yaml_category(); 19 20 enum class obj2yaml_error { 21 success = 0, 22 file_not_found, 23 unrecognized_file_format, 24 unsupported_obj_file_format, 25 not_implemented 26 }; 27 make_error_code(obj2yaml_error e)28inline std::error_code make_error_code(obj2yaml_error e) { 29 return std::error_code(static_cast<int>(e), obj2yaml_category()); 30 } 31 32 class Obj2YamlError : public ErrorInfo<Obj2YamlError> { 33 public: 34 static char ID; Obj2YamlError(obj2yaml_error C)35 Obj2YamlError(obj2yaml_error C) : Code(C) {} Obj2YamlError(std::string ErrMsg)36 Obj2YamlError(std::string ErrMsg) : ErrMsg(std::move(ErrMsg)) {} Obj2YamlError(obj2yaml_error C,std::string ErrMsg)37 Obj2YamlError(obj2yaml_error C, std::string ErrMsg) 38 : ErrMsg(std::move(ErrMsg)), Code(C) {} 39 void log(raw_ostream &OS) const override; getErrorMessage()40 const std::string &getErrorMessage() const { return ErrMsg; } 41 std::error_code convertToErrorCode() const override; 42 43 private: 44 std::string ErrMsg; 45 obj2yaml_error Code; 46 }; 47 48 } // namespace llvm 49 50 namespace std { 51 template <> struct is_error_code_enum<llvm::obj2yaml_error> : std::true_type {}; 52 } 53 54 #endif 55