ComparisonInTempFailureRetryCheck.h 1.5 KB

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  1. //===--- ComparisonInTempFailureRetryCheck.h - clang-tidy--------*- C++ -*-===//
  2. //
  3. // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
  4. // See https://llvm.org/LICENSE.txt for license information.
  5. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
  6. //
  7. //===----------------------------------------------------------------------===//
  8. #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_ANDROID_COMPARISONINTEMPFAILURERETRYCHECK_H
  9. #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_ANDROID_COMPARISONINTEMPFAILURERETRYCHECK_H
  10. #include "../ClangTidyCheck.h"
  11. #include "llvm/ADT/SmallVector.h"
  12. #include "llvm/ADT/StringRef.h"
  13. #include <string>
  14. namespace clang::tidy::android {
  15. /// Attempts to catch calls to TEMP_FAILURE_RETRY with a top-level comparison
  16. /// operation, like `TEMP_FAILURE_RETRY(read(...) != N)`. In these cases, the
  17. /// comparison should go outside of the TEMP_FAILURE_RETRY.
  18. ///
  19. /// TEMP_FAILURE_RETRY is a macro provided by both glibc and Bionic.
  20. class ComparisonInTempFailureRetryCheck : public ClangTidyCheck {
  21. public:
  22. ComparisonInTempFailureRetryCheck(StringRef Name, ClangTidyContext *Context);
  23. void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
  24. void registerMatchers(ast_matchers::MatchFinder *Finder) override;
  25. void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
  26. private:
  27. const StringRef RawRetryList;
  28. SmallVector<StringRef, 5> RetryMacros;
  29. };
  30. } // namespace clang::tidy::android
  31. #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_ANDROID_COMPARISONINTEMPFAILURERETRYCHECK_H