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 _do_message { 22 public: 23 virtual const char* name() const; 24 virtual std::string message(int ev) const; 25 virtual error_condition default_error_condition(int ev) const; 26 }; 27 } 28 29 const char *_object_error_category::name() const { 30 return "llvm.object"; 31 } 32 33 std::string _object_error_category::message(int ev) const { 34 object_error::Impl E = static_cast<object_error::Impl>(ev); 35 switch (E) { 36 case object_error::success: return "Success"; 37 case object_error::arch_not_found: 38 return "No object file for requested architecture"; 39 case object_error::invalid_file_type: 40 return "The file was not recognized as a valid object file"; 41 case object_error::parse_failed: 42 return "Invalid data was encountered while parsing the file"; 43 case object_error::unexpected_eof: 44 return "The end of the file was unexpectedly encountered"; 45 } 46 llvm_unreachable("An enumerator of object_error does not have a message " 47 "defined."); 48 } 49 50 error_condition _object_error_category::default_error_condition(int ev) const { 51 if (ev == object_error::success) 52 return errc::success; 53 return errc::invalid_argument; 54 } 55 56 const error_category &object::object_category() { 57 static _object_error_category o; 58 return o; 59 } 60
