1 //===- CodeViewError.cpp - Error extensions for CodeView --------*- 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/CodeView/CodeViewError.h"
10 #include "llvm/Support/ErrorHandling.h"
11 #include "llvm/Support/ManagedStatic.h"
12 
13 using namespace llvm;
14 using namespace llvm::codeview;
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 CodeViewErrorCategory : public std::error_category {
21 public:
name() const22   const char *name() const noexcept override { return "llvm.codeview"; }
message(int Condition) const23   std::string message(int Condition) const override {
24     switch (static_cast<cv_error_code>(Condition)) {
25     case cv_error_code::unspecified:
26       return "An unknown CodeView error has occurred.";
27     case cv_error_code::insufficient_buffer:
28       return "The buffer is not large enough to read the requested number of "
29              "bytes.";
30     case cv_error_code::corrupt_record:
31       return "The CodeView record is corrupted.";
32     case cv_error_code::no_records:
33       return "There are no records.";
34     case cv_error_code::operation_unsupported:
35       return "The requested operation is not supported.";
36     case cv_error_code::unknown_member_record:
37       return "The member record is of an unknown type.";
38     }
39     llvm_unreachable("Unrecognized cv_error_code");
40   }
41 };
42 } // namespace
43 
44 static llvm::ManagedStatic<CodeViewErrorCategory> CodeViewErrCategory;
CVErrorCategory()45 const std::error_category &llvm::codeview::CVErrorCategory() {
46   return *CodeViewErrCategory;
47 }
48 
49 char CodeViewError::ID;
50