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//===--- ComparisonInTempFailureRetryCheck.h - clang-tidy--------*- 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
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_ANDROID_COMPARISONINTEMPFAILURERETRYCHECK_H
#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_ANDROID_COMPARISONINTEMPFAILURERETRYCHECK_H
#include "../ClangTidyCheck.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringRef.h"
#include <string>
namespace clang {
namespace tidy {
namespace android {
/// Attempts to catch calls to TEMP_FAILURE_RETRY with a top-level comparison
/// operation, like `TEMP_FAILURE_RETRY(read(...) != N)`. In these cases, the
/// comparison should go outside of the TEMP_FAILURE_RETRY.
///
/// TEMP_FAILURE_RETRY is a macro provided by both glibc and Bionic.
class ComparisonInTempFailureRetryCheck : public ClangTidyCheck {
public:
ComparisonInTempFailureRetryCheck(StringRef Name, ClangTidyContext *Context);
void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
void registerMatchers(ast_matchers::MatchFinder *Finder) override;
void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
private:
const std::string RawRetryList;
SmallVector<StringRef, 5> RetryMacros;
};
} // namespace android
} // namespace tidy
} // namespace clang
#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_ANDROID_COMPARISONINTEMPFAILURERETRYCHECK_H
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