ProgramState.h revision 8bef8238181a30e52dea380789a7e2d760eac532
1ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek//== ProgramState.h - Path-sensitive "State" for tracking values -*- C++ -*--=// 2ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek// 3ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek// The LLVM Compiler Infrastructure 4ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek// 5ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek// This file is distributed under the University of Illinois Open Source 6ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek// License. See LICENSE.TXT for details. 7ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek// 8ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek//===----------------------------------------------------------------------===// 9ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek// 10ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek// This file defines SymbolRef, ExprBindKey, and ProgramState*. 11ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek// 12ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek//===----------------------------------------------------------------------===// 13ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 14ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek#ifndef LLVM_CLANG_GR_VALUESTATE_H 15ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek#define LLVM_CLANG_GR_VALUESTATE_H 16ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 17ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek#include "clang/Basic/LLVM.h" 18ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek#include "clang/StaticAnalyzer/Core/PathSensitive/ConstraintManager.h" 19ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek#include "clang/StaticAnalyzer/Core/PathSensitive/Environment.h" 20ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek#include "clang/StaticAnalyzer/Core/PathSensitive/Store.h" 21ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek#include "clang/StaticAnalyzer/Core/PathSensitive/SValBuilder.h" 228bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek#include "clang/StaticAnalyzer/Core/PathSensitive/ProgramState_Fwd.h" 23ceac1d6e0521161adf7ac9834b1a7ad79d73fea4Anna Zaks#include "clang/StaticAnalyzer/Core/PathSensitive/TaintTag.h" 24ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek#include "llvm/ADT/PointerIntPair.h" 25ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek#include "llvm/ADT/FoldingSet.h" 26ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek#include "llvm/ADT/ImmutableMap.h" 27ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 28ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremeneknamespace llvm { 29ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenekclass APSInt; 30ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenekclass BumpPtrAllocator; 31ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek} 32ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 33ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremeneknamespace clang { 34ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenekclass ASTContext; 35ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 36ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremeneknamespace ento { 37ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 38eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaksclass CallOrObjCMessage; 398bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek 40ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenektypedef ConstraintManager* (*ConstraintManagerCreator)(ProgramStateManager&, 41ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek SubEngine&); 42ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenektypedef StoreManager* (*StoreManagerCreator)(ProgramStateManager&); 43ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 44ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek//===----------------------------------------------------------------------===// 45ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek// ProgramStateTrait - Traits used by the Generic Data Map of a ProgramState. 46ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek//===----------------------------------------------------------------------===// 47ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 48ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenektemplate <typename T> struct ProgramStatePartialTrait; 49ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 50ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenektemplate <typename T> struct ProgramStateTrait { 51ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek typedef typename T::data_type data_type; 52ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek static inline void *GDMIndex() { return &T::TagInt; } 53ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek static inline void *MakeVoidPtr(data_type D) { return (void*) D; } 54ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek static inline data_type MakeData(void *const* P) { 55ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return P ? (data_type) *P : (data_type) 0; 56ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek } 57ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek}; 58ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 595f625712f622f6e57de17b6f7eec242956b993eeAnna Zaks/// \class ProgramState 60ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek/// ProgramState - This class encapsulates: 61ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek/// 62ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek/// 1. A mapping from expressions to values (Environment) 63ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek/// 2. A mapping from locations to values (Store) 64ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek/// 3. Constraints on symbolic values (GenericDataMap) 65ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek/// 66ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek/// Together these represent the "abstract state" of a program. 67ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek/// 68ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek/// ProgramState is intended to be used as a functional object; that is, 69ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek/// once it is created and made "persistent" in a FoldingSet, its 70ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek/// values will never change. 71ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenekclass ProgramState : public llvm::FoldingSetNode { 72ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenekpublic: 73ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek typedef llvm::ImmutableSet<llvm::APSInt*> IntSetTy; 74ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek typedef llvm::ImmutableMap<void*, void*> GenericDataMap; 75ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 76ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenekprivate: 77ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek void operator=(const ProgramState& R) const; // Do not implement. 78ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 79ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek friend class ProgramStateManager; 80ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek friend class ExplodedGraph; 81ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek friend class ExplodedNode; 82ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 83ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek ProgramStateManager *stateMgr; 84ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek Environment Env; // Maps a Stmt to its current SVal. 85ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek Store store; // Maps a location to its current value. 86ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek GenericDataMap GDM; // Custom data stored by a client of this class. 87ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek unsigned refCount; 88ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 89ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// makeWithStore - Return a ProgramState with the same values as the current 90ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// state with the exception of using the specified Store. 918bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek ProgramStateRef makeWithStore(const StoreRef &store) const; 92ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 93ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek void setStore(const StoreRef &storeRef); 94ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 95ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenekpublic: 96ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 97ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// This ctor is used when creating the first ProgramState object. 98ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek ProgramState(ProgramStateManager *mgr, const Environment& env, 99ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek StoreRef st, GenericDataMap gdm); 100ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 101ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// Copy ctor - We must explicitly define this or else the "Next" ptr 102ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// in FoldingSetNode will also get copied. 103ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek ProgramState(const ProgramState &RHS); 104ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 105ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek ~ProgramState(); 106ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 107ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// Return the ProgramStateManager associated with this state. 108ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek ProgramStateManager &getStateManager() const { return *stateMgr; } 109ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 110ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// Return true if this state is referenced by a persistent ExplodedNode. 111ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek bool referencedByExplodedNode() const { return refCount > 0; } 112ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 113ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// getEnvironment - Return the environment associated with this state. 114ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// The environment is the mapping from expressions to values. 115ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek const Environment& getEnvironment() const { return Env; } 116ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 117ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// Return the store associated with this state. The store 118ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// is a mapping from locations to values. 119ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek Store getStore() const { return store; } 120ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 121ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 122ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// getGDM - Return the generic data map associated with this state. 123ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek GenericDataMap getGDM() const { return GDM; } 124ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 125ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek void setGDM(GenericDataMap gdm) { GDM = gdm; } 126ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 127ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// Profile - Profile the contents of a ProgramState object for use in a 128ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// FoldingSet. Two ProgramState objects are considered equal if they 129ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// have the same Environment, Store, and GenericDataMap. 1308bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek static void Profile(llvm::FoldingSetNodeID& ID, ProgramStateRef V) { 131ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek V->Env.Profile(ID); 132ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek ID.AddPointer(V->store); 133ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek V->GDM.Profile(ID); 134ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek } 135ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 136ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// Profile - Used to profile the contents of this object for inclusion 137ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// in a FoldingSet. 138ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek void Profile(llvm::FoldingSetNodeID& ID) const { 139ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek Profile(ID, this); 140ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek } 141ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 142ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek BasicValueFactory &getBasicVals() const; 143ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek SymbolManager &getSymbolManager() const; 144ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 145ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek //==---------------------------------------------------------------------==// 146ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek // Constraints on values. 147ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek //==---------------------------------------------------------------------==// 148ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek // 149ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek // Each ProgramState records constraints on symbolic values. These constraints 150ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek // are managed using the ConstraintManager associated with a ProgramStateManager. 151ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek // As constraints gradually accrue on symbolic values, added constraints 152ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek // may conflict and indicate that a state is infeasible (as no real values 153ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek // could satisfy all the constraints). This is the principal mechanism 154ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek // for modeling path-sensitivity in ExprEngine/ProgramState. 155ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek // 156ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek // Various "assume" methods form the interface for adding constraints to 157ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek // symbolic values. A call to 'assume' indicates an assumption being placed 158ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek // on one or symbolic values. 'assume' methods take the following inputs: 159ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek // 160ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek // (1) A ProgramState object representing the current state. 161ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek // 162ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek // (2) The assumed constraint (which is specific to a given "assume" method). 163ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek // 164ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek // (3) A binary value "Assumption" that indicates whether the constraint is 165ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek // assumed to be true or false. 166ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek // 167ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek // The output of "assume*" is a new ProgramState object with the added constraints. 168ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek // If no new state is feasible, NULL is returned. 169ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek // 170ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 1718bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek ProgramStateRef assume(DefinedOrUnknownSVal cond, bool assumption) const; 172ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 173ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// This method assumes both "true" and "false" for 'cond', and 174ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// returns both corresponding states. It's shorthand for doing 175ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// 'assume' twice. 1768bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek std::pair<ProgramStateRef , ProgramStateRef > 177ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek assume(DefinedOrUnknownSVal cond) const; 178ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 1798bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek ProgramStateRef assumeInBound(DefinedOrUnknownSVal idx, 180ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek DefinedOrUnknownSVal upperBound, 181ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek bool assumption) const; 182ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 1835f625712f622f6e57de17b6f7eec242956b993eeAnna Zaks /// Utility method for getting regions. 184ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek const VarRegion* getRegion(const VarDecl *D, const LocationContext *LC) const; 185ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 186ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek //==---------------------------------------------------------------------==// 187ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek // Binding and retrieving values to/from the environment and symbolic store. 188ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek //==---------------------------------------------------------------------==// 189ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 190ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// BindCompoundLiteral - Return the state that has the bindings currently 191ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// in this state plus the bindings for the CompoundLiteral. 1928bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek ProgramStateRef bindCompoundLiteral(const CompoundLiteralExpr *CL, 193ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek const LocationContext *LC, 194ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek SVal V) const; 195ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 196ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// Create a new state by binding the value 'V' to the statement 'S' in the 197ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// state's environment. 1988bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek ProgramStateRef BindExpr(const Stmt *S, const LocationContext *LCtx, 1995eca482fe895ea57bc82410222e6426c09e63284Ted Kremenek SVal V, bool Invalidate = true) const; 200ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 201ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// Create a new state by binding the value 'V' and location 'locaton' to the 202ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// statement 'S' in the state's environment. 2038bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek ProgramStateRef bindExprAndLocation(const Stmt *S, 2045eca482fe895ea57bc82410222e6426c09e63284Ted Kremenek const LocationContext *LCtx, 2055eca482fe895ea57bc82410222e6426c09e63284Ted Kremenek SVal location, SVal V) const; 206ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 2078bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek ProgramStateRef bindDecl(const VarRegion *VR, SVal V) const; 208ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 2098bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek ProgramStateRef bindDeclWithNoInit(const VarRegion *VR) const; 210ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 2118bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek ProgramStateRef bindLoc(Loc location, SVal V) const; 212ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 2138bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek ProgramStateRef bindLoc(SVal location, SVal V) const; 214ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 2158bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek ProgramStateRef bindDefault(SVal loc, SVal V) const; 216ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 2178bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek ProgramStateRef unbindLoc(Loc LV) const; 218ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 219ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// invalidateRegions - Returns the state with bindings for the given regions 220ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// cleared from the store. The regions are provided as a continuous array 221ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// from Begin to End. Optionally invalidates global regions as well. 2228bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek ProgramStateRef invalidateRegions(ArrayRef<const MemRegion *> Regions, 223eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks const Expr *E, unsigned BlockCount, 224eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks StoreManager::InvalidatedSymbols *IS = 0, 225eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks const CallOrObjCMessage *Call = 0) const; 226ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 227ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// enterStackFrame - Returns the state for entry to the given stack frame, 228ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// preserving the current state. 2298bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek ProgramStateRef enterStackFrame(const LocationContext *callerCtx, 2300849ade4bb3e90c2fc0ce01ccd330f76f91da732Ted Kremenek const StackFrameContext *calleeCtx) const; 231ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 232ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// Get the lvalue for a variable reference. 233ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek Loc getLValue(const VarDecl *D, const LocationContext *LC) const; 234ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 235ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// Get the lvalue for a StringLiteral. 236ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek Loc getLValue(const StringLiteral *literal) const; 237ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 238ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek Loc getLValue(const CompoundLiteralExpr *literal, 239ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek const LocationContext *LC) const; 240ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 241ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// Get the lvalue for an ivar reference. 242ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek SVal getLValue(const ObjCIvarDecl *decl, SVal base) const; 243ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 244ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// Get the lvalue for a field reference. 245ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek SVal getLValue(const FieldDecl *decl, SVal Base) const; 246ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 247ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// Get the lvalue for an array index. 248ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek SVal getLValue(QualType ElementType, SVal Idx, SVal Base) const; 249ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 250ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek const llvm::APSInt *getSymVal(SymbolRef sym) const; 251ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 252ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// Returns the SVal bound to the statement 'S' in the state's environment. 2535eca482fe895ea57bc82410222e6426c09e63284Ted Kremenek SVal getSVal(const Stmt *S, const LocationContext *LCtx, 2545eca482fe895ea57bc82410222e6426c09e63284Ted Kremenek bool useOnlyDirectBindings = false) const; 255ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 2565eca482fe895ea57bc82410222e6426c09e63284Ted Kremenek SVal getSValAsScalarOrLoc(const Stmt *Ex, const LocationContext *LCtx) const; 257ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 258ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek SVal getSVal(Loc LV, QualType T = QualType()) const; 259ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 260ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// Returns the "raw" SVal bound to LV before any value simplfication. 261ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek SVal getRawSVal(Loc LV, QualType T= QualType()) const; 262ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 263ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek SVal getSVal(const MemRegion* R) const; 264ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 265ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek SVal getSValAsScalarOrLoc(const MemRegion *R) const; 266ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 2675f625712f622f6e57de17b6f7eec242956b993eeAnna Zaks /// \brief Visits the symbols reachable from the given SVal using the provided 2685f625712f622f6e57de17b6f7eec242956b993eeAnna Zaks /// SymbolVisitor. 2695f625712f622f6e57de17b6f7eec242956b993eeAnna Zaks /// 2705f625712f622f6e57de17b6f7eec242956b993eeAnna Zaks /// This is a convenience API. Consider using ScanReachableSymbols class 2715f625712f622f6e57de17b6f7eec242956b993eeAnna Zaks /// directly when making multiple scans on the same state with the same 2725f625712f622f6e57de17b6f7eec242956b993eeAnna Zaks /// visitor to avoid repeated initialization cost. 2735f625712f622f6e57de17b6f7eec242956b993eeAnna Zaks /// \sa ScanReachableSymbols 274ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek bool scanReachableSymbols(SVal val, SymbolVisitor& visitor) const; 275ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 2765f625712f622f6e57de17b6f7eec242956b993eeAnna Zaks /// \brief Visits the symbols reachable from the SVals in the given range 2775f625712f622f6e57de17b6f7eec242956b993eeAnna Zaks /// using the provided SymbolVisitor. 278ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek bool scanReachableSymbols(const SVal *I, const SVal *E, 279ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek SymbolVisitor &visitor) const; 280ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 2815f625712f622f6e57de17b6f7eec242956b993eeAnna Zaks /// \brief Visits the symbols reachable from the regions in the given 2825f625712f622f6e57de17b6f7eec242956b993eeAnna Zaks /// MemRegions range using the provided SymbolVisitor. 283ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek bool scanReachableSymbols(const MemRegion * const *I, 284ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek const MemRegion * const *E, 285ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek SymbolVisitor &visitor) const; 286ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 287ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek template <typename CB> CB scanReachableSymbols(SVal val) const; 288ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek template <typename CB> CB scanReachableSymbols(const SVal *beg, 289ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek const SVal *end) const; 290ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 291ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek template <typename CB> CB 292ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek scanReachableSymbols(const MemRegion * const *beg, 293ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek const MemRegion * const *end) const; 294ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 295ceac1d6e0521161adf7ac9834b1a7ad79d73fea4Anna Zaks /// Create a new state in which the statement is marked as tainted. 2968bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek ProgramStateRef addTaint(const Stmt *S, const LocationContext *LCtx, 297ceac1d6e0521161adf7ac9834b1a7ad79d73fea4Anna Zaks TaintTagType Kind = TaintTagGeneric) const; 298ceac1d6e0521161adf7ac9834b1a7ad79d73fea4Anna Zaks 299ceac1d6e0521161adf7ac9834b1a7ad79d73fea4Anna Zaks /// Create a new state in which the symbol is marked as tainted. 3008bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek ProgramStateRef addTaint(SymbolRef S, 301ceac1d6e0521161adf7ac9834b1a7ad79d73fea4Anna Zaks TaintTagType Kind = TaintTagGeneric) const; 302ceac1d6e0521161adf7ac9834b1a7ad79d73fea4Anna Zaks 30328fd98d66dab4569316de2b5881d91b534a42461Anna Zaks /// Create a new state in which the region symbol is marked as tainted. 3048bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek ProgramStateRef addTaint(const MemRegion *R, 30528fd98d66dab4569316de2b5881d91b534a42461Anna Zaks TaintTagType Kind = TaintTagGeneric) const; 30628fd98d66dab4569316de2b5881d91b534a42461Anna Zaks 307ceac1d6e0521161adf7ac9834b1a7ad79d73fea4Anna Zaks /// Check if the statement is tainted in the current state. 3085eca482fe895ea57bc82410222e6426c09e63284Ted Kremenek bool isTainted(const Stmt *S, const LocationContext *LCtx, 3095eca482fe895ea57bc82410222e6426c09e63284Ted Kremenek TaintTagType Kind = TaintTagGeneric) const; 310ceac1d6e0521161adf7ac9834b1a7ad79d73fea4Anna Zaks bool isTainted(SVal V, TaintTagType Kind = TaintTagGeneric) const; 3119f03b62036a7abc0a227b17f4a49b9eefced9450Anna Zaks bool isTainted(SymbolRef Sym, TaintTagType Kind = TaintTagGeneric) const; 312dcf06fa1fbb9c018e152629ef3f3fa7b1acffe7aAnna Zaks bool isTainted(const MemRegion *Reg, TaintTagType Kind=TaintTagGeneric) const; 313ceac1d6e0521161adf7ac9834b1a7ad79d73fea4Anna Zaks 314ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek //==---------------------------------------------------------------------==// 315ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek // Accessing the Generic Data Map (GDM). 316ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek //==---------------------------------------------------------------------==// 317ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 318ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek void *const* FindGDM(void *K) const; 319ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 320ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek template<typename T> 3218bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek ProgramStateRef add(typename ProgramStateTrait<T>::key_type K) const; 322ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 323ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek template <typename T> 324ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek typename ProgramStateTrait<T>::data_type 325ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek get() const { 326ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return ProgramStateTrait<T>::MakeData(FindGDM(ProgramStateTrait<T>::GDMIndex())); 327ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek } 328ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 329ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek template<typename T> 330ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek typename ProgramStateTrait<T>::lookup_type 331ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek get(typename ProgramStateTrait<T>::key_type key) const { 332ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek void *const* d = FindGDM(ProgramStateTrait<T>::GDMIndex()); 333ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return ProgramStateTrait<T>::Lookup(ProgramStateTrait<T>::MakeData(d), key); 334ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek } 335ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 336ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek template <typename T> 337ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek typename ProgramStateTrait<T>::context_type get_context() const; 338ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 339ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 340ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek template<typename T> 3418bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek ProgramStateRef remove(typename ProgramStateTrait<T>::key_type K) const; 342ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 343ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek template<typename T> 3448bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek ProgramStateRef remove(typename ProgramStateTrait<T>::key_type K, 345ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek typename ProgramStateTrait<T>::context_type C) const; 346ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek template <typename T> 3478bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek ProgramStateRef remove() const; 348ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 349ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek template<typename T> 3508bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek ProgramStateRef set(typename ProgramStateTrait<T>::data_type D) const; 351ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 352ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek template<typename T> 3538bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek ProgramStateRef set(typename ProgramStateTrait<T>::key_type K, 354ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek typename ProgramStateTrait<T>::value_type E) const; 355ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 356ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek template<typename T> 3578bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek ProgramStateRef set(typename ProgramStateTrait<T>::key_type K, 358ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek typename ProgramStateTrait<T>::value_type E, 359ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek typename ProgramStateTrait<T>::context_type C) const; 360ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 361ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek template<typename T> 362ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek bool contains(typename ProgramStateTrait<T>::key_type key) const { 363ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek void *const* d = FindGDM(ProgramStateTrait<T>::GDMIndex()); 364ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return ProgramStateTrait<T>::Contains(ProgramStateTrait<T>::MakeData(d), key); 365ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek } 366ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 367ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek // Pretty-printing. 3685eca482fe895ea57bc82410222e6426c09e63284Ted Kremenek void print(raw_ostream &Out, const char *nl = "\n", 369ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek const char *sep = "") const; 3705eca482fe895ea57bc82410222e6426c09e63284Ted Kremenek void printDOT(raw_ostream &Out) const; 371be97b7edb112520d764c24e8b9a159cdc692bcb6Anna Zaks void printTaint(raw_ostream &Out, const char *nl = "\n", 372be97b7edb112520d764c24e8b9a159cdc692bcb6Anna Zaks const char *sep = "") const; 373ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 374d0167853f46cc78787b06255a44f9dcedd04a8ecAnna Zaks void dump() const; 375be97b7edb112520d764c24e8b9a159cdc692bcb6Anna Zaks void dumpTaint() const; 376d0167853f46cc78787b06255a44f9dcedd04a8ecAnna Zaks 377ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenekprivate: 378ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// Increments the number of times this state is referenced by ExplodeNodes. 379ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek void incrementReferenceCount() { ++refCount; } 380ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 381ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// Decrement the number of times this state is referenced by ExplodeNodes. 382ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek void decrementReferenceCount() { 383ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek assert(refCount > 0); 384ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek --refCount; 385ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek } 386ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 3878bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek ProgramStateRef 388537716ad8dd10f984b6cfe6985afade1185c5e3cJordy Rose invalidateRegionsImpl(ArrayRef<const MemRegion *> Regions, 389537716ad8dd10f984b6cfe6985afade1185c5e3cJordy Rose const Expr *E, unsigned BlockCount, 390537716ad8dd10f984b6cfe6985afade1185c5e3cJordy Rose StoreManager::InvalidatedSymbols &IS, 391eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks const CallOrObjCMessage *Call) const; 392ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek}; 393ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 394ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenekclass ProgramStateSet { 3958bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek typedef llvm::SmallPtrSet<ProgramStateRef,5> ImplTy; 396ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek ImplTy Impl; 397ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenekpublic: 398ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek ProgramStateSet() {} 399ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 4008bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek inline void Add(ProgramStateRef St) { 401ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek Impl.insert(St); 402ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek } 403ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 404ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek typedef ImplTy::const_iterator iterator; 405ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 406ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek inline unsigned size() const { return Impl.size(); } 407ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek inline bool empty() const { return Impl.empty(); } 408ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 409ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek inline iterator begin() const { return Impl.begin(); } 410ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek inline iterator end() const { return Impl.end(); } 411ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 412ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek class AutoPopulate { 413ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek ProgramStateSet &S; 414ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek unsigned StartSize; 4158bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek ProgramStateRef St; 416ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek public: 4178bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek AutoPopulate(ProgramStateSet &s, ProgramStateRef st) 418ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek : S(s), StartSize(S.size()), St(st) {} 419ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 420ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek ~AutoPopulate() { 421ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek if (StartSize == S.size()) 422ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek S.Add(St); 423ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek } 424ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek }; 425ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek}; 426ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 427ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek//===----------------------------------------------------------------------===// 428ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek// ProgramStateManager - Factory object for ProgramStates. 429ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek//===----------------------------------------------------------------------===// 430ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 431ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenekclass ProgramStateManager { 432ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek friend class ProgramState; 433ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenekprivate: 434ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// Eng - The SubEngine that owns this state manager. 435ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek SubEngine *Eng; /* Can be null. */ 436ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 437ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek EnvironmentManager EnvMgr; 438ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek llvm::OwningPtr<StoreManager> StoreMgr; 439ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek llvm::OwningPtr<ConstraintManager> ConstraintMgr; 440ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 441ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek ProgramState::GenericDataMap::Factory GDMFactory; 442ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 443ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek typedef llvm::DenseMap<void*,std::pair<void*,void (*)(void*)> > GDMContextsTy; 444ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek GDMContextsTy GDMContexts; 445ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 446ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// StateSet - FoldingSet containing all the states created for analyzing 447ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// a particular function. This is used to unique states. 448ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek llvm::FoldingSet<ProgramState> StateSet; 449ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 450ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// Object that manages the data for all created SVals. 451ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek llvm::OwningPtr<SValBuilder> svalBuilder; 452ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 453ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// A BumpPtrAllocator to allocate states. 454ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek llvm::BumpPtrAllocator &Alloc; 455ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 456ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// A vector of recently allocated ProgramStates that can potentially be 457ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// reused. 458ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek std::vector<ProgramState *> recentlyAllocatedStates; 459ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 460ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// A vector of ProgramStates that we can reuse. 461ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek std::vector<ProgramState *> freeStates; 462ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 463ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenekpublic: 464ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek ProgramStateManager(ASTContext &Ctx, 465ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek StoreManagerCreator CreateStoreManager, 466ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek ConstraintManagerCreator CreateConstraintManager, 467ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek llvm::BumpPtrAllocator& alloc, 468ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek SubEngine &subeng) 469ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek : Eng(&subeng), 470ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek EnvMgr(alloc), 471ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek GDMFactory(alloc), 472ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek svalBuilder(createSimpleSValBuilder(alloc, Ctx, *this)), 473ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek Alloc(alloc) { 474ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek StoreMgr.reset((*CreateStoreManager)(*this)); 475ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek ConstraintMgr.reset((*CreateConstraintManager)(*this, subeng)); 476ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek } 477ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 478ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek ProgramStateManager(ASTContext &Ctx, 479ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek StoreManagerCreator CreateStoreManager, 480ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek ConstraintManager* ConstraintManagerPtr, 481ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek llvm::BumpPtrAllocator& alloc) 482ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek : Eng(0), 483ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek EnvMgr(alloc), 484ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek GDMFactory(alloc), 485ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek svalBuilder(createSimpleSValBuilder(alloc, Ctx, *this)), 486ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek Alloc(alloc) { 487ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek StoreMgr.reset((*CreateStoreManager)(*this)); 488ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek ConstraintMgr.reset(ConstraintManagerPtr); 489ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek } 490ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 491ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek ~ProgramStateManager(); 492ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 4938bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek ProgramStateRef getInitialState(const LocationContext *InitLoc); 494ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 495ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek ASTContext &getContext() { return svalBuilder->getContext(); } 496ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek const ASTContext &getContext() const { return svalBuilder->getContext(); } 497ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 498ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek BasicValueFactory &getBasicVals() { 499ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return svalBuilder->getBasicValueFactory(); 500ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek } 501ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek const BasicValueFactory& getBasicVals() const { 502ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return svalBuilder->getBasicValueFactory(); 503ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek } 504ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 505ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek SValBuilder &getSValBuilder() { 506ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return *svalBuilder; 507ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek } 508ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 509ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek SymbolManager &getSymbolManager() { 510ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return svalBuilder->getSymbolManager(); 511ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek } 512ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek const SymbolManager &getSymbolManager() const { 513ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return svalBuilder->getSymbolManager(); 514ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek } 515ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 516ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek llvm::BumpPtrAllocator& getAllocator() { return Alloc; } 517ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 518ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek MemRegionManager& getRegionManager() { 519ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return svalBuilder->getRegionManager(); 520ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek } 521ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek const MemRegionManager& getRegionManager() const { 522ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return svalBuilder->getRegionManager(); 523ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek } 524ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 525ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek StoreManager& getStoreManager() { return *StoreMgr; } 526ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek ConstraintManager& getConstraintManager() { return *ConstraintMgr; } 527ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek SubEngine* getOwningEngine() { return Eng; } 528ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 5298bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek ProgramStateRef removeDeadBindings(ProgramStateRef St, 530ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek const StackFrameContext *LCtx, 531ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek SymbolReaper& SymReaper); 532ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 533ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// Marshal a new state for the callee in another translation unit. 534ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// 'state' is owned by the caller's engine. 5358bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek ProgramStateRef MarshalState(ProgramStateRef state, const StackFrameContext *L); 536ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 537ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenekpublic: 538ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 539ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek SVal ArrayToPointer(Loc Array) { 540ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return StoreMgr->ArrayToPointer(Array); 541ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek } 542ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 543ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek // Methods that manipulate the GDM. 5448bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek ProgramStateRef addGDM(ProgramStateRef St, void *Key, void *Data); 5458bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek ProgramStateRef removeGDM(ProgramStateRef state, void *Key); 546ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 547ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek // Methods that query & manipulate the Store. 548ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 5498bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek void iterBindings(ProgramStateRef state, StoreManager::BindingsHandler& F) { 550ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek StoreMgr->iterBindings(state->getStore(), F); 551ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek } 552ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 5538bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek ProgramStateRef getPersistentState(ProgramState &Impl); 5548bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek ProgramStateRef getPersistentStateWithGDM(ProgramStateRef FromState, 5558bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek ProgramStateRef GDMState); 556ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 5578bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek bool haveEqualEnvironments(ProgramStateRef S1, ProgramStateRef S2) { 558ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return S1->Env == S2->Env; 559ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek } 560ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 5618bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek bool haveEqualStores(ProgramStateRef S1, ProgramStateRef S2) { 562ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return S1->store == S2->store; 563ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek } 564ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 565ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// Periodically called by ExprEngine to recycle ProgramStates that were 566ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek /// created but never used for creating an ExplodedNode. 567ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek void recycleUnusedStates(); 568ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 569ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek //==---------------------------------------------------------------------==// 570ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek // Generic Data Map methods. 571ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek //==---------------------------------------------------------------------==// 572ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek // 573ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek // ProgramStateManager and ProgramState support a "generic data map" that allows 574ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek // different clients of ProgramState objects to embed arbitrary data within a 575ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek // ProgramState object. The generic data map is essentially an immutable map 576ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek // from a "tag" (that acts as the "key" for a client) and opaque values. 577ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek // Tags/keys and values are simply void* values. The typical way that clients 578ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek // generate unique tags are by taking the address of a static variable. 579ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek // Clients are responsible for ensuring that data values referred to by a 580ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek // the data pointer are immutable (and thus are essentially purely functional 581ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek // data). 582ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek // 583ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek // The templated methods below use the ProgramStateTrait<T> class 584ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek // to resolve keys into the GDM and to return data values to clients. 585ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek // 586ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 587ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek // Trait based GDM dispatch. 588ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek template <typename T> 5898bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek ProgramStateRef set(ProgramStateRef st, typename ProgramStateTrait<T>::data_type D) { 590ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return addGDM(st, ProgramStateTrait<T>::GDMIndex(), 591ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek ProgramStateTrait<T>::MakeVoidPtr(D)); 592ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek } 593ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 594ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek template<typename T> 5958bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek ProgramStateRef set(ProgramStateRef st, 596ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek typename ProgramStateTrait<T>::key_type K, 597ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek typename ProgramStateTrait<T>::value_type V, 598ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek typename ProgramStateTrait<T>::context_type C) { 599ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 600ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return addGDM(st, ProgramStateTrait<T>::GDMIndex(), 601ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek ProgramStateTrait<T>::MakeVoidPtr(ProgramStateTrait<T>::Set(st->get<T>(), K, V, C))); 602ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek } 603ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 604ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek template <typename T> 6058bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek ProgramStateRef add(ProgramStateRef st, 606ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek typename ProgramStateTrait<T>::key_type K, 607ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek typename ProgramStateTrait<T>::context_type C) { 608ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return addGDM(st, ProgramStateTrait<T>::GDMIndex(), 609ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek ProgramStateTrait<T>::MakeVoidPtr(ProgramStateTrait<T>::Add(st->get<T>(), K, C))); 610ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek } 611ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 612ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek template <typename T> 6138bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek ProgramStateRef remove(ProgramStateRef st, 614ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek typename ProgramStateTrait<T>::key_type K, 615ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek typename ProgramStateTrait<T>::context_type C) { 616ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 617ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return addGDM(st, ProgramStateTrait<T>::GDMIndex(), 618ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek ProgramStateTrait<T>::MakeVoidPtr(ProgramStateTrait<T>::Remove(st->get<T>(), K, C))); 619ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek } 620ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 621ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek template <typename T> 6228bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek ProgramStateRef remove(ProgramStateRef st) { 623ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return removeGDM(st, ProgramStateTrait<T>::GDMIndex()); 624ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek } 625ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 626ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek void *FindGDMContext(void *index, 627ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek void *(*CreateContext)(llvm::BumpPtrAllocator&), 628ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek void (*DeleteContext)(void*)); 629ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 630ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek template <typename T> 631ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek typename ProgramStateTrait<T>::context_type get_context() { 632ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek void *p = FindGDMContext(ProgramStateTrait<T>::GDMIndex(), 633ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek ProgramStateTrait<T>::CreateContext, 634ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek ProgramStateTrait<T>::DeleteContext); 635ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 636ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return ProgramStateTrait<T>::MakeContext(p); 637ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek } 638ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 6398bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek const llvm::APSInt* getSymVal(ProgramStateRef St, SymbolRef sym) { 640ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return ConstraintMgr->getSymVal(St, sym); 641ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek } 642ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 6438bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek void EndPath(ProgramStateRef St) { 644ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek ConstraintMgr->EndPath(St); 645ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek } 646ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek}; 647ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 648ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 649ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek//===----------------------------------------------------------------------===// 650ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek// Out-of-line method definitions for ProgramState. 651ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek//===----------------------------------------------------------------------===// 652ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 653ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenekinline const VarRegion* ProgramState::getRegion(const VarDecl *D, 6545eca482fe895ea57bc82410222e6426c09e63284Ted Kremenek const LocationContext *LC) const 6555eca482fe895ea57bc82410222e6426c09e63284Ted Kremenek{ 656ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return getStateManager().getRegionManager().getVarRegion(D, LC); 657ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek} 658ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 6598bef8238181a30e52dea380789a7e2d760eac532Ted Kremenekinline ProgramStateRef ProgramState::assume(DefinedOrUnknownSVal Cond, 660ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek bool Assumption) const { 661ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek if (Cond.isUnknown()) 662ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return this; 663ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 664ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return getStateManager().ConstraintMgr->assume(this, cast<DefinedSVal>(Cond), 665ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek Assumption); 666ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek} 667ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 6688bef8238181a30e52dea380789a7e2d760eac532Ted Kremenekinline std::pair<ProgramStateRef , ProgramStateRef > 669ae160f880d183ab938fd7ce3b891694ae2f569c0Ted KremenekProgramState::assume(DefinedOrUnknownSVal Cond) const { 670ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek if (Cond.isUnknown()) 671ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return std::make_pair(this, this); 672ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 673ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return getStateManager().ConstraintMgr->assumeDual(this, 674ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek cast<DefinedSVal>(Cond)); 675ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek} 676ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 6778bef8238181a30e52dea380789a7e2d760eac532Ted Kremenekinline ProgramStateRef ProgramState::bindLoc(SVal LV, SVal V) const { 678ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return !isa<Loc>(LV) ? this : bindLoc(cast<Loc>(LV), V); 679ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek} 680ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 681ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenekinline Loc ProgramState::getLValue(const VarDecl *VD, 682ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek const LocationContext *LC) const { 683ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return getStateManager().StoreMgr->getLValueVar(VD, LC); 684ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek} 685ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 686ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenekinline Loc ProgramState::getLValue(const StringLiteral *literal) const { 687ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return getStateManager().StoreMgr->getLValueString(literal); 688ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek} 689ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 690ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenekinline Loc ProgramState::getLValue(const CompoundLiteralExpr *literal, 691ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek const LocationContext *LC) const { 692ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return getStateManager().StoreMgr->getLValueCompoundLiteral(literal, LC); 693ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek} 694ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 695ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenekinline SVal ProgramState::getLValue(const ObjCIvarDecl *D, SVal Base) const { 696ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return getStateManager().StoreMgr->getLValueIvar(D, Base); 697ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek} 698ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 699ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenekinline SVal ProgramState::getLValue(const FieldDecl *D, SVal Base) const { 700ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return getStateManager().StoreMgr->getLValueField(D, Base); 701ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek} 702ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 703ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenekinline SVal ProgramState::getLValue(QualType ElementType, SVal Idx, SVal Base) const{ 704ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek if (NonLoc *N = dyn_cast<NonLoc>(&Idx)) 705ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return getStateManager().StoreMgr->getLValueElement(ElementType, *N, Base); 706ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return UnknownVal(); 707ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek} 708ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 709ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenekinline const llvm::APSInt *ProgramState::getSymVal(SymbolRef sym) const { 710ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return getStateManager().getSymVal(this, sym); 711ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek} 712ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 7135eca482fe895ea57bc82410222e6426c09e63284Ted Kremenekinline SVal ProgramState::getSVal(const Stmt *Ex, const LocationContext *LCtx, 7145eca482fe895ea57bc82410222e6426c09e63284Ted Kremenek bool useOnlyDirectBindings) const{ 7155eca482fe895ea57bc82410222e6426c09e63284Ted Kremenek return Env.getSVal(EnvironmentEntry(Ex, LCtx), 7165eca482fe895ea57bc82410222e6426c09e63284Ted Kremenek *getStateManager().svalBuilder, 717ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek useOnlyDirectBindings); 718ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek} 719ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 7205eca482fe895ea57bc82410222e6426c09e63284Ted Kremenekinline SVal 7215eca482fe895ea57bc82410222e6426c09e63284Ted KremenekProgramState::getSValAsScalarOrLoc(const Stmt *S, 7225eca482fe895ea57bc82410222e6426c09e63284Ted Kremenek const LocationContext *LCtx) const { 723ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek if (const Expr *Ex = dyn_cast<Expr>(S)) { 724ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek QualType T = Ex->getType(); 725ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek if (Ex->isLValue() || Loc::isLocType(T) || T->isIntegerType()) 7265eca482fe895ea57bc82410222e6426c09e63284Ted Kremenek return getSVal(S, LCtx); 727ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek } 728ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 729ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return UnknownVal(); 730ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek} 731ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 732ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenekinline SVal ProgramState::getRawSVal(Loc LV, QualType T) const { 7331437425a62dbf7bdb0a855d3ed3b05ed2019ec1eAnna Zaks return getStateManager().StoreMgr->getBinding(getStore(), LV, T); 734ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek} 735ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 736ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenekinline SVal ProgramState::getSVal(const MemRegion* R) const { 7371437425a62dbf7bdb0a855d3ed3b05ed2019ec1eAnna Zaks return getStateManager().StoreMgr->getBinding(getStore(), 7381437425a62dbf7bdb0a855d3ed3b05ed2019ec1eAnna Zaks loc::MemRegionVal(R)); 739ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek} 740ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 741ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenekinline BasicValueFactory &ProgramState::getBasicVals() const { 742ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return getStateManager().getBasicVals(); 743ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek} 744ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 745ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenekinline SymbolManager &ProgramState::getSymbolManager() const { 746ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return getStateManager().getSymbolManager(); 747ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek} 748ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 749ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenektemplate<typename T> 7508bef8238181a30e52dea380789a7e2d760eac532Ted KremenekProgramStateRef ProgramState::add(typename ProgramStateTrait<T>::key_type K) const { 751ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return getStateManager().add<T>(this, K, get_context<T>()); 752ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek} 753ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 754ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenektemplate <typename T> 755ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenektypename ProgramStateTrait<T>::context_type ProgramState::get_context() const { 756ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return getStateManager().get_context<T>(); 757ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek} 758ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 759ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenektemplate<typename T> 7608bef8238181a30e52dea380789a7e2d760eac532Ted KremenekProgramStateRef ProgramState::remove(typename ProgramStateTrait<T>::key_type K) const { 761ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return getStateManager().remove<T>(this, K, get_context<T>()); 762ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek} 763ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 764ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenektemplate<typename T> 7658bef8238181a30e52dea380789a7e2d760eac532Ted KremenekProgramStateRef ProgramState::remove(typename ProgramStateTrait<T>::key_type K, 766ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek typename ProgramStateTrait<T>::context_type C) const { 767ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return getStateManager().remove<T>(this, K, C); 768ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek} 769ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 770ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenektemplate <typename T> 7718bef8238181a30e52dea380789a7e2d760eac532Ted KremenekProgramStateRef ProgramState::remove() const { 772ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return getStateManager().remove<T>(this); 773ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek} 774ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 775ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenektemplate<typename T> 7768bef8238181a30e52dea380789a7e2d760eac532Ted KremenekProgramStateRef ProgramState::set(typename ProgramStateTrait<T>::data_type D) const { 777ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return getStateManager().set<T>(this, D); 778ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek} 779ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 780ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenektemplate<typename T> 7818bef8238181a30e52dea380789a7e2d760eac532Ted KremenekProgramStateRef ProgramState::set(typename ProgramStateTrait<T>::key_type K, 782ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek typename ProgramStateTrait<T>::value_type E) const { 783ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return getStateManager().set<T>(this, K, E, get_context<T>()); 784ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek} 785ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 786ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenektemplate<typename T> 7878bef8238181a30e52dea380789a7e2d760eac532Ted KremenekProgramStateRef ProgramState::set(typename ProgramStateTrait<T>::key_type K, 788ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek typename ProgramStateTrait<T>::value_type E, 789ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek typename ProgramStateTrait<T>::context_type C) const { 790ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return getStateManager().set<T>(this, K, E, C); 791ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek} 792ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 793ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenektemplate <typename CB> 794ae160f880d183ab938fd7ce3b891694ae2f569c0Ted KremenekCB ProgramState::scanReachableSymbols(SVal val) const { 795ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek CB cb(this); 796ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek scanReachableSymbols(val, cb); 797ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return cb; 798ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek} 799ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 800ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenektemplate <typename CB> 801ae160f880d183ab938fd7ce3b891694ae2f569c0Ted KremenekCB ProgramState::scanReachableSymbols(const SVal *beg, const SVal *end) const { 802ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek CB cb(this); 803ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek scanReachableSymbols(beg, end, cb); 804ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return cb; 805ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek} 806ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 807ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenektemplate <typename CB> 808ae160f880d183ab938fd7ce3b891694ae2f569c0Ted KremenekCB ProgramState::scanReachableSymbols(const MemRegion * const *beg, 809ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek const MemRegion * const *end) const { 810ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek CB cb(this); 811ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek scanReachableSymbols(beg, end, cb); 812ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek return cb; 813ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek} 814ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 8155f625712f622f6e57de17b6f7eec242956b993eeAnna Zaks/// \class ScanReachableSymbols 8165f625712f622f6e57de17b6f7eec242956b993eeAnna Zaks/// A Utility class that allows to visit the reachable symbols using a custom 8175f625712f622f6e57de17b6f7eec242956b993eeAnna Zaks/// SymbolVisitor. 8185f625712f622f6e57de17b6f7eec242956b993eeAnna Zaksclass ScanReachableSymbols : public SubRegionMap::Visitor { 81999ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikie virtual void anchor(); 8205f625712f622f6e57de17b6f7eec242956b993eeAnna Zaks typedef llvm::DenseMap<const void*, unsigned> VisitedItems; 8215f625712f622f6e57de17b6f7eec242956b993eeAnna Zaks 8225f625712f622f6e57de17b6f7eec242956b993eeAnna Zaks VisitedItems visited; 8238bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek ProgramStateRef state; 8245f625712f622f6e57de17b6f7eec242956b993eeAnna Zaks SymbolVisitor &visitor; 8255f625712f622f6e57de17b6f7eec242956b993eeAnna Zaks llvm::OwningPtr<SubRegionMap> SRM; 8265f625712f622f6e57de17b6f7eec242956b993eeAnna Zakspublic: 8275f625712f622f6e57de17b6f7eec242956b993eeAnna Zaks 8288bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek ScanReachableSymbols(ProgramStateRef st, SymbolVisitor& v) 8295f625712f622f6e57de17b6f7eec242956b993eeAnna Zaks : state(st), visitor(v) {} 8305f625712f622f6e57de17b6f7eec242956b993eeAnna Zaks 8315f625712f622f6e57de17b6f7eec242956b993eeAnna Zaks bool scan(nonloc::CompoundVal val); 8325f625712f622f6e57de17b6f7eec242956b993eeAnna Zaks bool scan(SVal val); 8335f625712f622f6e57de17b6f7eec242956b993eeAnna Zaks bool scan(const MemRegion *R); 8345f625712f622f6e57de17b6f7eec242956b993eeAnna Zaks bool scan(const SymExpr *sym); 8355f625712f622f6e57de17b6f7eec242956b993eeAnna Zaks 8365f625712f622f6e57de17b6f7eec242956b993eeAnna Zaks // From SubRegionMap::Visitor. 8375f625712f622f6e57de17b6f7eec242956b993eeAnna Zaks bool Visit(const MemRegion* Parent, const MemRegion* SubRegion) { 8385f625712f622f6e57de17b6f7eec242956b993eeAnna Zaks return scan(SubRegion); 8395f625712f622f6e57de17b6f7eec242956b993eeAnna Zaks } 8405f625712f622f6e57de17b6f7eec242956b993eeAnna Zaks}; 8415f625712f622f6e57de17b6f7eec242956b993eeAnna Zaks 842ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek} // end GR namespace 843ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 844ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek} // end clang namespace 845ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek 846ae160f880d183ab938fd7ce3b891694ae2f569c0Ted Kremenek#endif 847