clang-tools 17.0.0git
CloexecEpollCreateCheck.cpp
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1//===--- CloexecEpollCreateCheck.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
10#include "clang/AST/ASTContext.h"
11#include "clang/ASTMatchers/ASTMatchFinder.h"
12
13using namespace clang::ast_matchers;
14
15namespace clang::tidy::android {
16
19 Finder, functionDecl(returns(isInteger()), hasName("epoll_create"),
20 hasParameter(0, hasType(isInteger()))));
21}
22
23void CloexecEpollCreateCheck::check(const MatchFinder::MatchResult &Result) {
24 replaceFunc(Result,
25 "prefer epoll_create() to epoll_create1() "
26 "because epoll_create1() allows "
27 "EPOLL_CLOEXEC",
28 "epoll_create1(EPOLL_CLOEXEC)");
29}
30
31} // namespace clang::tidy::android
void replaceFunc(const ast_matchers::MatchFinder::MatchResult &Result, StringRef WarningMsg, StringRef FixMsg)
Type2 is to replace the API to another function that has required the ability.
void registerMatchersImpl(ast_matchers::MatchFinder *Finder, ast_matchers::internal::Matcher< FunctionDecl > Function)
void check(const ast_matchers::MatchFinder::MatchResult &Result) override
ClangTidyChecks that register ASTMatchers should do the actual work in here.
void registerMatchers(ast_matchers::MatchFinder *Finder) override
Override this to register AST matchers with Finder.