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::tidy::darwin { 16 registerMatchers(MatchFinder * Finder)17void AvoidSpinlockCheck::registerMatchers(MatchFinder *Finder) { 18 Finder->addMatcher( 19 callExpr(callee((functionDecl(hasAnyName( 20 "OSSpinlockLock", "OSSpinlockUnlock", "OSSpinlockTry"))))) 21 .bind("spinlock"), 22 this); 23 } 24 check(const MatchFinder::MatchResult & Result)25void AvoidSpinlockCheck::check(const MatchFinder::MatchResult &Result) { 26 const auto *MatchedExpr = Result.Nodes.getNodeAs<CallExpr>("spinlock"); 27 diag(MatchedExpr->getBeginLoc(), 28 "use os_unfair_lock_lock() or dispatch queue APIs instead of the " 29 "deprecated OSSpinLock"); 30 } 31 32 } // namespace clang::tidy::darwin 33