1 //===- Error.h - system_error extensions for Object -------------*- 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 // This declares a new error_category for the Object library. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #ifndef LLVM_OBJECT_ERROR_H 15 #define LLVM_OBJECT_ERROR_H 16 17 #include "llvm/Support/system_error.h" 18 19 namespace llvm { 20 namespace object { 21 22 const error_category &object_category(); 23 24 struct object_error { 25 enum _ { 26 success = 0, 27 invalid_file_type, 28 parse_failed, 29 unexpected_eof 30 }; 31 _ v_; 32 33 object_error(_ v) : v_(v) {} 34 explicit object_error(int v) : v_(_(v)) {} 35 operator int() const {return v_;} 36 }; 37 38 inline error_code make_error_code(object_error e) { 39 return error_code(static_cast<int>(e), object_category()); 40 } 41 42 } // end namespace object. 43 44 template <> struct is_error_code_enum<object::object_error> : true_type { }; 45 46 template <> struct is_error_code_enum<object::object_error::_> : true_type { }; 47 48 } // end namespace llvm. 49 50 #endif 51
