clang-tools  8.0.0
CloexecCreatCheck.cpp
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1 //===--- CloexecCreatCheck.cpp - clang-tidy--------------------------------===//
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 #include "CloexecCreatCheck.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 CloexecCreatCheck::registerMatchers(MatchFinder *Finder) {
21  auto CharPointerType = hasType(pointerType(pointee(isAnyCharacter())));
22  auto MODETType = hasType(namedDecl(hasName("mode_t")));
23  registerMatchersImpl(Finder,
24  functionDecl(isExternC(), returns(isInteger()),
25  hasName("creat"),
26  hasParameter(0, CharPointerType),
27  hasParameter(1, MODETType)));
28 }
29 
30 void CloexecCreatCheck::check(const MatchFinder::MatchResult &Result) {
31  const std::string &ReplacementText =
32  (Twine("open (") + getSpellingArg(Result, 0) +
33  ", O_WRONLY | O_CREAT | O_TRUNC | O_CLOEXEC, " +
34  getSpellingArg(Result, 1) + ")")
35  .str();
36  replaceFunc(Result,
37  "prefer open() to creat() because open() allows O_CLOEXEC",
38  ReplacementText);
39 }
40 
41 } // namespace android
42 } // namespace tidy
43 } // namespace clang
llvm::Optional< llvm::Expected< tooling::AtomicChanges > > Result
===– Representation.cpp - ClangDoc Representation --------—*- C++ -*-===//