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  switch (ev) {
35  case object_error::success: return "Success";
36  case object_error::invalid_file_type:
37    return "The file was not recognized as a valid object file";
38  case object_error::parse_failed:
39    return "Invalid data was encountered while parsing the file";
40  case object_error::unexpected_eof:
41    return "The end of the file was unexpectedly encountered";
42  default:
43    llvm_unreachable("An enumerator of object_error does not have a message "
44                     "defined.");
45  }
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