clang-tools 8.0.0

ComparisonInTempFailureRetryCheck.h
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1 //===--- ComparisonInTempFailureRetryCheck.h - clang-tidy--------*- C++ -*-===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_ANDROID_COMPARISONINTEMPFAILURERETRYCHECK_H
11 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_ANDROID_COMPARISONINTEMPFAILURERETRYCHECK_H
12
13 #include "../ClangTidy.h"
14
15 namespace clang {
16 namespace tidy {
17 namespace android {
18
19 /// Attempts to catch calls to TEMP_FAILURE_RETRY with a top-level comparison
20 /// operation, like `TEMP_FAILURE_RETRY(read(...) != N)`. In these cases, the
21 /// comparison should go outside of the TEMP_FAILURE_RETRY.
22 ///
23 /// TEMP_FAILURE_RETRY is a macro provided by both glibc and Bionic.
24 class ComparisonInTempFailureRetryCheck : public ClangTidyCheck {
25 public:
26 ComparisonInTempFailureRetryCheck(StringRef Name, ClangTidyContext *Context)
27 : ClangTidyCheck(Name, Context) {}
28 void registerMatchers(ast_matchers::MatchFinder *Finder) override;
29 void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
30 };
31
32 } // namespace android
33 } // namespace tidy
34 } // namespace clang
35
36 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_ANDROID_COMPARISONINTEMPFAILURERETRYCHECK_H
clang::tidy::ClangTidyCheck
Base class for all clang-tidy checks.
Definition: ClangTidy.h:127
clang::tidy::android::ComparisonInTempFailureRetryCheck
Attempts to catch calls to TEMP_FAILURE_RETRY with a top-level comparison operation, like TEMP_FAILURE_RETRY(read(...) != N).
Definition: ComparisonInTempFailureRetryCheck.h:24
clang::tidy::android::ComparisonInTempFailureRetryCheck::check
void check(const ast_matchers::MatchFinder::MatchResult &Result) override
ClangTidyChecks that register ASTMatchers should do the actual work in here.
Definition: ComparisonInTempFailureRetryCheck.cpp:73
clang::tidy::android::ComparisonInTempFailureRetryCheck::ComparisonInTempFailureRetryCheck
ComparisonInTempFailureRetryCheck(StringRef Name, ClangTidyContext *Context)
Definition: ComparisonInTempFailureRetryCheck.h:26
Name
static constexpr llvm::StringLiteral Name
Definition: UppercaseLiteralSuffixCheck.cpp:28
Result
llvm::Optional< llvm::Expected< tooling::AtomicChanges > > Result
Definition: ClangdServer.cpp:60
clang
===– Representation.cpp - ClangDoc Representation --------—*- C++ -*-===//
Definition: ChangeNamespace.cpp:18
clang::tidy::ClangTidyContext
Every ClangTidyCheck reports errors through a DiagnosticsEngine provided by this context.
Definition: ClangTidyDiagnosticConsumer.h:100
clang::tidy::android::ComparisonInTempFailureRetryCheck::registerMatchers
void registerMatchers(ast_matchers::MatchFinder *Finder) override
Override this to register AST matchers with Finder.
Definition: ComparisonInTempFailureRetryCheck.cpp:49