1//===- Error.cpp - system_error extensions for llvm-cxxdump -----*- 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// This defines a new error_category for the llvm-cxxdump tool. 10// 11//===----------------------------------------------------------------------===// 12 13#include "Error.h" 14#include "llvm/Support/ErrorHandling.h" 15 16using namespace llvm; 17 18namespace { 19// FIXME: This class is only here to support the transition to llvm::Error. It 20// will be removed once this transition is complete. Clients should prefer to 21// deal with the Error value directly, rather than converting to error_code. 22class cxxdump_error_category : public std::error_category { 23public: 24 const char *name() const noexcept override { return "llvm.cxxdump"; } 25 std::string message(int ev) const override { 26 switch (static_cast<cxxdump_error>(ev)) { 27 case cxxdump_error::success: 28 return "Success"; 29 case cxxdump_error::file_not_found: 30 return "No such file."; 31 case cxxdump_error::unrecognized_file_format: 32 return "Unrecognized file type."; 33 } 34 llvm_unreachable( 35 "An enumerator of cxxdump_error does not have a message defined."); 36 } 37}; 38} // namespace 39 40namespace llvm { 41const std::error_category &cxxdump_category() { 42 static cxxdump_error_category o; 43 return o; 44} 45} // namespace llvm 46