clang-tools  17.0.0git
CloexecDupCheck.cpp
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1 //===--- CloexecDupCheck.cpp - clang-tidy----------------------------------===//
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 
9 #include "CloexecDupCheck.h"
10 #include "clang/AST/ASTContext.h"
11 #include "clang/ASTMatchers/ASTMatchFinder.h"
12 
13 using namespace clang::ast_matchers;
14 
15 namespace clang::tidy::android {
16 
17 void CloexecDupCheck::registerMatchers(MatchFinder *Finder) {
18  registerMatchersImpl(Finder,
19  functionDecl(returns(isInteger()), hasName("dup"),
20  hasParameter(0, hasType(isInteger()))));
21 }
22 
23 void CloexecDupCheck::check(const MatchFinder::MatchResult &Result) {
24  std::string ReplacementText =
25  (Twine("fcntl(") + getSpellingArg(Result, 0) + ", F_DUPFD_CLOEXEC)")
26  .str();
27 
28  replaceFunc(Result,
29  "prefer fcntl() to dup() because fcntl() allows F_DUPFD_CLOEXEC",
30  ReplacementText);
31 }
32 
33 } // namespace clang::tidy::android
CloexecDupCheck.h
clang::tidy::android
Definition: AndroidTidyModule.cpp:31
clang::ast_matchers
Definition: AbseilMatcher.h:13
clang::clangd::check
bool check(llvm::StringRef File, const ThreadsafeFS &TFS, const ClangdLSPServer::Options &Opts)
Definition: Check.cpp:418