//===- Error.cpp - system_error extensions for llvm-cxxdump -----*- C++ -*-===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// // // This defines a new error_category for the llvm-cxxdump tool. // //===----------------------------------------------------------------------===// #include "Error.h" #include "llvm/Support/ErrorHandling.h" using namespace llvm; namespace { // FIXME: This class is only here to support the transition to llvm::Error. It // will be removed once this transition is complete. Clients should prefer to // deal with the Error value directly, rather than converting to error_code. class cxxdump_error_category : public std::error_category { public: const char *name() const noexcept override { return "llvm.cxxdump"; } std::string message(int ev) const override { switch (static_cast<cxxdump_error>(ev)) { case cxxdump_error::success: return "Success"; case cxxdump_error::file_not_found: return "No such file."; case cxxdump_error::unrecognized_file_format: return "Unrecognized file type."; } llvm_unreachable( "An enumerator of cxxdump_error does not have a message defined."); } }; } // namespace namespace llvm { const std::error_category &cxxdump_category() { static cxxdump_error_category o; return o; } } // namespace llvm |