Error.cpp revision 79ac9c8402d4113d42ff2d713c7acdfa800d2397
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 17using namespace llvm; 18using namespace object; 19 20namespace { 21class _object_error_category : public _do_message { 22public: 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 29const char *_object_error_category::name() const { 30 return "llvm.object"; 31} 32 33std::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::invalid_file_type: 38 return "The file was not recognized as a valid object file"; 39 case object_error::parse_failed: 40 return "Invalid data was encountered while parsing the file"; 41 case object_error::unexpected_eof: 42 return "The end of the file was unexpectedly encountered"; 43 } 44 llvm_unreachable("An enumerator of object_error does not have a message " 45 "defined."); 46} 47 48error_condition _object_error_category::default_error_condition(int ev) const { 49 if (ev == object_error::success) 50 return errc::success; 51 return errc::invalid_argument; 52} 53 54const error_category &object::object_category() { 55 static _object_error_category o; 56 return o; 57} 58