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 #include <string> 13 14 using namespace llvm; 15 using namespace llvm::codeview; 16 17 namespace { 18 // FIXME: This class is only here to support the transition to llvm::Error. It 19 // will be removed once this transition is complete. Clients should prefer to 20 // deal with the Error value directly, rather than converting to error_code. 21 class CodeViewErrorCategory : public std::error_category { 22 public: 23 const char *name() const noexcept override { return "llvm.codeview"; } 24 std::string message(int Condition) const override { 25 switch (static_cast<cv_error_code>(Condition)) { 26 case cv_error_code::unspecified: 27 return "An unknown CodeView error has occurred."; 28 case cv_error_code::insufficient_buffer: 29 return "The buffer is not large enough to read the requested number of " 30 "bytes."; 31 case cv_error_code::corrupt_record: 32 return "The CodeView record is corrupted."; 33 case cv_error_code::no_records: 34 return "There are no records."; 35 case cv_error_code::operation_unsupported: 36 return "The requested operation is not supported."; 37 case cv_error_code::unknown_member_record: 38 return "The member record is of an unknown type."; 39 } 40 llvm_unreachable("Unrecognized cv_error_code"); 41 } 42 }; 43 } // namespace 44 45 static llvm::ManagedStatic<CodeViewErrorCategory> CodeViewErrCategory; 46 const std::error_category &llvm::codeview::CVErrorCategory() { 47 return *CodeViewErrCategory; 48 } 49 50 char CodeViewError::ID; 51