9d40fb808f
Some projects do not use the TEMP_FAILURE_RETRY macro but define their own one, as not to depend on glibc / Bionic details. By allowing the user to override the list of macros, these projects can also benefit from this check. Differential Revision: https://reviews.llvm.org/D83144
43 lines
1.6 KiB
C++
43 lines
1.6 KiB
C++
//===--- ComparisonInTempFailureRetryCheck.h - clang-tidy--------*- 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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#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_ANDROID_COMPARISONINTEMPFAILURERETRYCHECK_H
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#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_ANDROID_COMPARISONINTEMPFAILURERETRYCHECK_H
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#include "../ClangTidyCheck.h"
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/ADT/StringRef.h"
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#include <string>
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namespace clang {
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namespace tidy {
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namespace android {
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/// Attempts to catch calls to TEMP_FAILURE_RETRY with a top-level comparison
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/// operation, like `TEMP_FAILURE_RETRY(read(...) != N)`. In these cases, the
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/// comparison should go outside of the TEMP_FAILURE_RETRY.
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///
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/// TEMP_FAILURE_RETRY is a macro provided by both glibc and Bionic.
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class ComparisonInTempFailureRetryCheck : public ClangTidyCheck {
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public:
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ComparisonInTempFailureRetryCheck(StringRef Name, ClangTidyContext *Context);
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void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
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void registerMatchers(ast_matchers::MatchFinder *Finder) override;
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void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
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private:
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const std::string RawRetryList;
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SmallVector<StringRef, 5> RetryMacros;
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};
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} // namespace android
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} // namespace tidy
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} // namespace clang
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#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_ANDROID_COMPARISONINTEMPFAILURERETRYCHECK_H
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