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: 22 const char *name() const noexcept override { return "llvm.codeview"; } 23 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; 45 const std::error_category &llvm::codeview::CVErrorCategory() { 46 return *CodeViewErrCategory; 47 } 48 49 char CodeViewError::ID; 50