LLVM API Documentation
00001 //===- Error.cpp - system_error extensions for Object -----------*- C++ -*-===// 00002 // 00003 // The LLVM Compiler Infrastructure 00004 // 00005 // This file is distributed under the University of Illinois Open Source 00006 // License. See LICENSE.TXT for details. 00007 // 00008 //===----------------------------------------------------------------------===// 00009 // 00010 // This defines a new error_category for the Object library. 00011 // 00012 //===----------------------------------------------------------------------===// 00013 00014 #include "llvm/Object/Error.h" 00015 #include "llvm/Support/ErrorHandling.h" 00016 00017 using namespace llvm; 00018 using namespace object; 00019 00020 namespace { 00021 class _object_error_category : public std::error_category { 00022 public: 00023 const char* name() const LLVM_NOEXCEPT override; 00024 std::string message(int ev) const override; 00025 }; 00026 } 00027 00028 const char *_object_error_category::name() const LLVM_NOEXCEPT { 00029 return "llvm.object"; 00030 } 00031 00032 std::string _object_error_category::message(int EV) const { 00033 object_error E = static_cast<object_error>(EV); 00034 switch (E) { 00035 case object_error::success: return "Success"; 00036 case object_error::arch_not_found: 00037 return "No object file for requested architecture"; 00038 case object_error::invalid_file_type: 00039 return "The file was not recognized as a valid object file"; 00040 case object_error::parse_failed: 00041 return "Invalid data was encountered while parsing the file"; 00042 case object_error::unexpected_eof: 00043 return "The end of the file was unexpectedly encountered"; 00044 } 00045 llvm_unreachable("An enumerator of object_error does not have a message " 00046 "defined."); 00047 } 00048 00049 const std::error_category &object::object_category() { 00050 static _object_error_category o; 00051 return o; 00052 }