clang-tools  15.0.0git
CloexecAccept4Check.cpp
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1 //===--- CloexecAccept4Check.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 "CloexecAccept4Check.h"
10 #include "../utils/ASTUtils.h"
11 #include "clang/AST/ASTContext.h"
12 #include "clang/ASTMatchers/ASTMatchFinder.h"
13 
14 using namespace clang::ast_matchers;
15 
16 namespace clang {
17 namespace tidy {
18 namespace android {
19 
20 void CloexecAccept4Check::registerMatchers(MatchFinder *Finder) {
21  auto SockAddrPointerType =
22  hasType(pointsTo(recordDecl(isStruct(), hasName("sockaddr"))));
23  auto SockLenPointerType = hasType(pointsTo(namedDecl(hasName("socklen_t"))));
24 
25  registerMatchersImpl(Finder,
26  functionDecl(returns(isInteger()), hasName("accept4"),
27  hasParameter(0, hasType(isInteger())),
28  hasParameter(1, SockAddrPointerType),
29  hasParameter(2, SockLenPointerType),
30  hasParameter(3, hasType(isInteger()))));
31 }
32 
33 void CloexecAccept4Check::check(const MatchFinder::MatchResult &Result) {
34  insertMacroFlag(Result, /*MacroFlag=*/"SOCK_CLOEXEC", /*ArgPos=*/3);
35 }
36 
37 } // namespace android
38 } // namespace tidy
39 } // namespace clang
clang::clangd::check
bool check(llvm::StringRef File, llvm::Optional< Range > LineRange, const ThreadsafeFS &TFS, const ClangdLSPServer::Options &Opts, bool EnableCodeCompletion)
Definition: Check.cpp:273
clang::ast_matchers
Definition: AbseilMatcher.h:14
clang
===– Representation.cpp - ClangDoc Representation --------—*- C++ -*-===//
Definition: ApplyReplacements.h:27
CloexecAccept4Check.h