1 //=== SmartPtr.h - Tracking smart pointer state. -------------------*- C++ -*-// 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 // Defines inter-checker API for the smart pointer modeling. It allows 10 // dependent checkers to figure out if an smart pointer is null or not. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #ifndef LLVM_CLANG_LIB_STATICANALYZER_CHECKERS_SMARTPTR_H 15 #define LLVM_CLANG_LIB_STATICANALYZER_CHECKERS_SMARTPTR_H 16 17 #include "clang/StaticAnalyzer/Core/PathSensitive/CallEvent.h" 18 19 namespace clang { 20 namespace ento { 21 namespace smartptr { 22 23 /// Returns true if the event call is on smart pointer. 24 bool isStdSmartPtrCall(const CallEvent &Call); 25 bool isStdSmartPtr(const CXXRecordDecl *RD); 26 bool isStdSmartPtr(const Expr *E); 27 28 /// Returns whether the smart pointer is null or not. 29 bool isNullSmartPtr(const ProgramStateRef State, const MemRegion *ThisRegion); 30 31 const BugType *getNullDereferenceBugType(); 32 33 } // namespace smartptr 34 } // namespace ento 35 } // namespace clang 36 37 #endif // LLVM_CLANG_LIB_STATICANALYZER_CHECKERS_SMARTPTR_H 38