/Users/buildslave/jenkins/workspace/clang-stage2-coverage-R/llvm/lib/DebugInfo/PDB/GenericError.cpp
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1 | | //===- Error.cpp - system_error extensions for PDB --------------*- C++ -*-===// |
2 | | // |
3 | | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
4 | | // See https://llvm.org/LICENSE.txt for license information. |
5 | | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
6 | | // |
7 | | //===----------------------------------------------------------------------===// |
8 | | |
9 | | #include "llvm/DebugInfo/PDB/GenericError.h" |
10 | | #include "llvm/Support/ErrorHandling.h" |
11 | | #include "llvm/Support/ManagedStatic.h" |
12 | | |
13 | | using namespace llvm; |
14 | | using namespace llvm::pdb; |
15 | | |
16 | | namespace { |
17 | | // FIXME: This class is only here to support the transition to llvm::Error. It |
18 | | // will be removed once this transition is complete. Clients should prefer to |
19 | | // deal with the Error value directly, rather than converting to error_code. |
20 | | class PDBErrorCategory : public std::error_category { |
21 | | public: |
22 | 0 | const char *name() const noexcept override { return "llvm.pdb"; } |
23 | 2 | std::string message(int Condition) const override { |
24 | 2 | switch (static_cast<pdb_error_code>(Condition)) { |
25 | 2 | case pdb_error_code::unspecified: |
26 | 0 | return "An unknown error has occurred."; |
27 | 2 | case pdb_error_code::dia_sdk_not_present: |
28 | 0 | return "LLVM was not compiled with support for DIA. This usually means " |
29 | 0 | "that you are not using MSVC, or your Visual Studio " |
30 | 0 | "installation is corrupt."; |
31 | 2 | case pdb_error_code::dia_failed_loading: |
32 | 0 | return "DIA is only supported when using MSVC."; |
33 | 2 | case pdb_error_code::invalid_utf8_path: |
34 | 0 | return "The PDB file path is an invalid UTF8 sequence."; |
35 | 2 | case pdb_error_code::signature_out_of_date: |
36 | 2 | return "The signature does not match; the file(s) might be out of date."; |
37 | 2 | case pdb_error_code::external_cmdline_ref: |
38 | 0 | return "The path to this file must be provided on the command-line."; |
39 | 0 | } |
40 | 0 | llvm_unreachable("Unrecognized generic_error_code"); |
41 | 0 | } |
42 | | }; |
43 | | } // namespace |
44 | | |
45 | | static llvm::ManagedStatic<PDBErrorCategory> PDBCategory; |
46 | 2 | const std::error_category &llvm::pdb::PDBErrCategory() { return *PDBCategory; } |
47 | | |
48 | | char PDBError::ID; |