| 1 | //===- Error.cpp - system_error extensions for llvm-cxxdump -----*- C++ -*-===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | // |
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| 9 | // This defines a new error_category for the llvm-cxxdump tool. |
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| 10 | // |
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| 11 | //===----------------------------------------------------------------------===// |
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| 12 | |
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| 13 | #include "Error.h" |
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| 14 | #include "llvm/Support/ErrorHandling.h" |
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| 15 | #include <string> |
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| 16 | |
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| 17 | using namespace llvm; |
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| 18 | |
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| 19 | namespace { |
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| 20 | // FIXME: This class is only here to support the transition to llvm::Error. It |
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| 21 | // will be removed once this transition is complete. Clients should prefer to |
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| 22 | // deal with the Error value directly, rather than converting to error_code. |
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| 23 | class cxxdump_error_category : public std::error_category { |
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| 24 | public: |
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| 25 | const char *name() const noexcept override { return "llvm.cxxdump" ; } |
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| 26 | std::string message(int ev) const override { |
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| 27 | switch (static_cast<cxxdump_error>(ev)) { |
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| 28 | case cxxdump_error::success: |
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| 29 | return "Success" ; |
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| 30 | case cxxdump_error::file_not_found: |
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| 31 | return "No such file." ; |
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| 32 | case cxxdump_error::unrecognized_file_format: |
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| 33 | return "Unrecognized file type." ; |
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| 34 | } |
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| 35 | llvm_unreachable( |
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| 36 | "An enumerator of cxxdump_error does not have a message defined." ); |
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| 37 | } |
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| 38 | }; |
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| 39 | } // namespace |
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| 40 | |
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| 41 | namespace llvm { |
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| 42 | const std::error_category &cxxdump_category() { |
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| 43 | static cxxdump_error_category o; |
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| 44 | return o; |
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| 45 | } |
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| 46 | } // namespace llvm |
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| 47 | |
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