clang-tools  9.0.0
AvoidSpinlockCheck.cpp
Go to the documentation of this file.
1 //===--- AvoidSpinlockCheck.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 "AvoidSpinlockCheck.h"
10 #include "clang/AST/ASTContext.h"
11 #include "clang/ASTMatchers/ASTMatchFinder.h"
12 
13 using namespace clang::ast_matchers;
14 
15 namespace clang {
16 namespace tidy {
17 namespace objc {
18 
19 void AvoidSpinlockCheck::registerMatchers(MatchFinder *Finder) {
20  Finder->addMatcher(
21  callExpr(callee((functionDecl(hasAnyName(
22  "OSSpinlockLock", "OSSpinlockUnlock", "OSSpinlockTry")))))
23  .bind("spinlock"),
24  this);
25 }
26 
27 void AvoidSpinlockCheck::check(const MatchFinder::MatchResult &Result) {
28  const auto *MatchedExpr = Result.Nodes.getNodeAs<CallExpr>("spinlock");
29  diag(MatchedExpr->getBeginLoc(),
30  "use os_unfair_lock_lock() or dispatch queue APIs instead of the "
31  "deprecated OSSpinLock");
32 }
33 
34 } // namespace objc
35 } // namespace tidy
36 } // namespace clang
===– Representation.cpp - ClangDoc Representation --------—*- C++ -*-===//
llvm::Optional< llvm::Expected< tooling::AtomicChanges > > Result
Definition: Rename.cpp:36