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#include "llvm/Support/ManagedStatic.h"
17
18using namespace llvm;
19using namespace object;
20
21namespace {
22class _object_error_category : public std::error_category {
23public:
24  const char* name() const LLVM_NOEXCEPT override;
25  std::string message(int ev) const override;
26};
27}
28
29const char *_object_error_category::name() const LLVM_NOEXCEPT {
30  return "llvm.object";
31}
32
33std::string _object_error_category::message(int EV) const {
34  object_error E = static_cast<object_error>(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  case object_error::bitcode_section_not_found:
46    return "Bitcode section not found in object file";
47  }
48  llvm_unreachable("An enumerator of object_error does not have a message "
49                   "defined.");
50}
51
52static ManagedStatic<_object_error_category> error_category;
53
54const std::error_category &object::object_category() {
55  return *error_category;
56}
57