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 
19 namespace llvm {
20 namespace object {
21 
22 const error_category &object_category();
23 
24 struct 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 
38 inline 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 
44 template <> struct is_error_code_enum<object::object_error> : true_type { };
45 
46 template <> struct is_error_code_enum<object::object_error::Impl> : true_type {
47 };
48 
49 } // end namespace llvm.
50 
51 #endif
52