| //===- 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 |