Error.h revision 263508 
1//===- Error.h - 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 declares a new error_category for the Object library.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef LLVM_OBJECT_ERROR_H
15#define LLVM_OBJECT_ERROR_H
16
17#include "llvm/Support/system_error.h"
18
19namespace llvm {
20namespace object {
21
22const error_category &object_category();
23
24struct object_error {
25  enum Impl {
26    success = 0,
27    arch_not_found,
28    invalid_file_type,
29    parse_failed,
30    unexpected_eof
31  };
32  Impl V;
33
34  object_error(Impl V) : V(V) {}
35  operator Impl() const { return V; }
36};
37
38inline error_code make_error_code(object_error e) {
39  return error_code(static_cast<int>(e), object_category());
40}
41
42} // end namespace object.
43
44template <> struct is_error_code_enum<object::object_error> : true_type { };
45
46template <> struct is_error_code_enum<object::object_error::Impl> : true_type {
47};
48
49} // end namespace llvm.
50
51#endif
52