1 //===- Error.h - system_error extensions for PDB ----------------*- 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 #ifndef LLVM_DEBUGINFO_PDB_ERROR_H
11 #define LLVM_DEBUGINFO_PDB_ERROR_H
12 
13 #include "llvm/ADT/StringRef.h"
14 #include "llvm/Support/Error.h"
15 
16 namespace llvm {
17 namespace pdb {
18 
19 enum class pdb_error_code {
20   invalid_utf8_path = 1,
21   dia_sdk_not_present,
22   dia_failed_loading,
23   signature_out_of_date,
24   external_cmdline_ref,
25   unspecified,
26 };
27 } // namespace pdb
28 } // namespace llvm
29 
30 namespace std {
31 template <>
32 struct is_error_code_enum<llvm::pdb::pdb_error_code> : std::true_type {};
33 } // namespace std
34 
35 namespace llvm {
36 namespace pdb {
37 const std::error_category &PDBErrCategory();
38 
39 inline std::error_code make_error_code(pdb_error_code E) {
40   return std::error_code(static_cast<int>(E), PDBErrCategory());
41 }
42 
43 /// Base class for errors originating when parsing raw PDB files
44 class PDBError : public ErrorInfo<PDBError, StringError> {
45 public:
46   using ErrorInfo<PDBError, StringError>::ErrorInfo; // inherit constructors
47   PDBError(const Twine &S) : ErrorInfo(S, pdb_error_code::unspecified) {}
48   static char ID;
49 };
50 } // namespace pdb
51 } // namespace llvm
52 #endif
53