LLVM  10.0.0svn
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 
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  const char *name() const noexcept override { return "llvm.pdb"; }
23  std::string message(int Condition) const override {
24  switch (static_cast<pdb_error_code>(Condition)) {
26  return "An unknown error has occurred.";
28  return "LLVM was not compiled with support for DIA. This usually means "
29  "that you are not using MSVC, or your Visual Studio "
30  "installation is corrupt.";
32  return "DIA is only supported when using MSVC.";
34  return "The PDB file path is an invalid UTF8 sequence.";
36  return "The signature does not match; the file(s) might be out of date.";
38  return "No matching precompiled header could be located.";
39  }
40  llvm_unreachable("Unrecognized generic_error_code");
41  }
42 };
43 } // namespace
44 
47 
48 char PDBError::ID;
This class represents lattice values for constants.
Definition: AllocatorList.h:23
const std::error_category & PDBErrCategory()
static ManagedStatic< _object_error_category > error_category
Definition: Error.cpp:74
#define llvm_unreachable(msg)
Marks that the current location is not supposed to be reachable.
static llvm::ManagedStatic< PDBErrorCategory > PDBCategory
aarch64 promote const
static const char * name
ManagedStatic - This transparently changes the behavior of global statics to be lazily constructed on...
Definition: ManagedStatic.h:83