Coverage Report

Created: 2019-05-19 14:56

/Users/buildslave/jenkins/workspace/clang-stage2-coverage-R/llvm/tools/lld/include/lld/Core/Error.h
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//===- Error.h - system_error extensions for lld ----------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This declares a new error_category for the lld library.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLD_CORE_ERROR_H
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#define LLD_CORE_ERROR_H
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#include "lld/Common/LLVM.h"
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#include "llvm/ADT/Twine.h"
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#include "llvm/Support/Error.h"
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#include <system_error>
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namespace lld {
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const std::error_category &YamlReaderCategory();
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enum class YamlReaderError {
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  unknown_keyword,
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  illegal_value
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};
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inline std::error_code make_error_code(YamlReaderError e) {
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  return std::error_code(static_cast<int>(e), YamlReaderCategory());
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}
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/// Creates an error_code object that has associated with it an arbitrary
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/// error messsage.  The value() of the error_code will always be non-zero
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/// but its value is meaningless. The messsage() will be (a copy of) the
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/// supplied error string.
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/// Note:  Once ErrorOr<> is updated to work with errors other than error_code,
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/// this can be updated to return some other kind of error.
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std::error_code make_dynamic_error_code(StringRef msg);
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/// Generic error.
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///
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/// For errors that don't require their own specific sub-error (most errors)
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/// this class can be used to describe the error via a string message.
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class GenericError : public llvm::ErrorInfo<GenericError> {
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public:
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  static char ID;
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  GenericError(Twine Msg);
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  const std::string &getMessage() const { return Msg; }
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  void log(llvm::raw_ostream &OS) const override;
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  std::error_code convertToErrorCode() const override {
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    return make_dynamic_error_code(getMessage());
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  }
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private:
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  std::string Msg;
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};
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} // end namespace lld
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namespace std {
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template <> struct is_error_code_enum<lld::YamlReaderError> : std::true_type {};
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}
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#endif