1//== DynamicTypeMap.h - Dynamic type map ----------------------- -*- C++ -*--=// 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// This file provides APIs for tracking dynamic type information. 11// 12//===----------------------------------------------------------------------===// 13 14#ifndef LLVM_CLANG_STATICANALYZER_CORE_PATHSENSITIVE_DYNAMICTYPEMAP_H 15#define LLVM_CLANG_STATICANALYZER_CORE_PATHSENSITIVE_DYNAMICTYPEMAP_H 16#include "clang/StaticAnalyzer/Core/BugReporter/PathDiagnostic.h" 17#include "clang/StaticAnalyzer/Core/PathSensitive/ProgramState.h" 18#include "clang/StaticAnalyzer/Core/PathSensitive/ProgramStateTrait.h" 19#include "llvm/ADT/ImmutableMap.h" 20 21namespace clang { 22namespace ento { 23 24/// The GDM component containing the dynamic type info. This is a map from a 25/// symbol to its most likely type. 26struct DynamicTypeMap {}; 27typedef llvm::ImmutableMap<const MemRegion *, DynamicTypeInfo> 28 DynamicTypeMapImpl; 29template <> 30struct ProgramStateTrait<DynamicTypeMap> 31 : public ProgramStatePartialTrait<DynamicTypeMapImpl> { 32 static void *GDMIndex() { 33 static int index = 0; 34 return &index; 35 } 36}; 37 38/// \brief Get dynamic type information for a region. 39DynamicTypeInfo getDynamicTypeInfo(ProgramStateRef State, 40 const MemRegion *Reg); 41 42/// \brief Set dynamic type information of the region; return the new state. 43ProgramStateRef setDynamicTypeInfo(ProgramStateRef State, const MemRegion *Reg, 44 DynamicTypeInfo NewTy); 45 46/// \brief Set dynamic type information of the region; return the new state. 47inline ProgramStateRef setDynamicTypeInfo(ProgramStateRef State, 48 const MemRegion *Reg, QualType NewTy, 49 bool CanBeSubClassed = true) { 50 return setDynamicTypeInfo(State, Reg, 51 DynamicTypeInfo(NewTy, CanBeSubClassed)); 52} 53 54} // ento 55} // clang 56 57#endif // LLVM_CLANG_STATICANALYZER_CORE_PATHSENSITIVE_DYNAMICTYPEMAP_H 58