1 //===- Error.cpp - 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 defines a new error_category for the Object library. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #include "llvm/Object/Error.h" 15 #include "llvm/Support/ErrorHandling.h" 16 17 using namespace llvm; 18 using namespace object; 19 20 namespace { 21 class _object_error_category : public std::error_category { 22 public: 23 const char* name() const LLVM_NOEXCEPT override; 24 std::string message(int ev) const override; 25 }; 26 } 27 28 const char *_object_error_category::name() const { 29 return "llvm.object"; 30 } 31 32 std::string _object_error_category::message(int EV) const { 33 object_error E = static_cast<object_error>(EV); 34 switch (E) { 35 case object_error::success: return "Success"; 36 case object_error::arch_not_found: 37 return "No object file for requested architecture"; 38 case object_error::invalid_file_type: 39 return "The file was not recognized as a valid object file"; 40 case object_error::parse_failed: 41 return "Invalid data was encountered while parsing the file"; 42 case object_error::unexpected_eof: 43 return "The end of the file was unexpectedly encountered"; 44 } 45 llvm_unreachable("An enumerator of object_error does not have a message " 46 "defined."); 47 } 48 49 const std::error_category &object::object_category() { 50 static _object_error_category o; 51 return o; 52 } 53