Static Value-Flow Analysis
Public Member Functions | Static Public Member Functions | Private Attributes | List of all members
SVF::NullPtrVFGNode Class Reference

#include <VFGNode.h>

Inheritance diagram for SVF::NullPtrVFGNode:
SVF::VFGNode SVF::GenericNode< NodeTy, EdgeTy > SVF::SVFBaseNode

Public Member Functions

 NullPtrVFGNode (NodeID id, const PAGNode *n)
 Constructor. More...
 
bool isPTANode () const
 Whether this node is of pointer type (used for pointer analysis). More...
 
const PAGNodegetPAGNode () const
 Return corresponding PAGNode. More...
 
const NodeBS getDefSVFVars () const override
 Return the left hand side SVF Vars. More...
 
const std::string toString () const override
 
- Public Member Functions inherited from SVF::VFGNode
 VFGNode (NodeID i, VFGNodeK k)
 Constructor. More...
 
virtual const ICFGNodegetICFGNode () const
 Return corresponding ICFG node. More...
 
virtual void setICFGNode (const ICFGNode *node)
 Set corresponding ICFG node. More...
 
virtual const SVFFunctiongetFun () const
 Get the function of this SVFGNode. More...
 
virtual const SVFValuegetValue () const
 Return the corresponding LLVM value, if possible, nullptr otherwise. More...
 
- Public Member Functions inherited from SVF::GenericNode< NodeTy, EdgeTy >
 GenericNode (NodeID i, GNodeK k)
 Constructor. More...
 
virtual ~GenericNode ()
 Destructor. More...
 
bool hasIncomingEdge () const
 Has incoming/outgoing edge set. More...
 
bool hasOutgoingEdge () const
 
iterator OutEdgeBegin ()
 iterators More...
 
iterator OutEdgeEnd ()
 
iterator InEdgeBegin ()
 
iterator InEdgeEnd ()
 
const_iterator OutEdgeBegin () const
 
const_iterator OutEdgeEnd () const
 
const_iterator InEdgeBegin () const
 
const_iterator InEdgeEnd () const
 
virtual iterator directOutEdgeBegin ()
 Iterators used for SCC detection, overwrite it in child class if necessary. More...
 
virtual iterator directOutEdgeEnd ()
 
virtual iterator directInEdgeBegin ()
 
virtual iterator directInEdgeEnd ()
 
virtual const_iterator directOutEdgeBegin () const
 
virtual const_iterator directOutEdgeEnd () const
 
virtual const_iterator directInEdgeBegin () const
 
virtual const_iterator directInEdgeEnd () const
 
bool addIncomingEdge (EdgeType *inEdge)
 Add incoming and outgoing edges. More...
 
bool addOutgoingEdge (EdgeType *outEdge)
 
EdgeTypehasIncomingEdge (EdgeType *edge) const
 Find incoming and outgoing edges. More...
 
EdgeTypehasOutgoingEdge (EdgeType *edge) const
 
const GEdgeSetTygetOutEdges () const
 
const GEdgeSetTygetInEdges () const
 
u32_t removeIncomingEdge (EdgeType *edge)
 
u32_t removeOutgoingEdge (EdgeType *edge)
 
- Public Member Functions inherited from SVF::SVFBaseNode
 SVFBaseNode (NodeID i, GNodeK k, SVFType *ty=nullptr)
 
NodeID getId () const
 Get ID. More...
 
GNodeK getNodeKind () const
 Get node kind. More...
 
virtual const SVFTypegetType () const
 
virtual void setSourceLoc (const std::string &sourceCodeInfo)
 
virtual const std::string getSourceLoc () const
 
const std::string valueOnlyToString () const
 

Static Public Member Functions

static bool classof (const NullPtrVFGNode *)
 Methods for support type inquiry through isa, cast, and dyn_cast: More...
 
static bool classof (const VFGNode *node)
 
static bool classof (const GenericVFGNodeTy *node)
 
static bool classof (const SVFBaseNode *node)
 
- Static Public Member Functions inherited from SVF::VFGNode
static bool classof (const VFGNode *)
 
static bool classof (const GenericVFGNodeTy *node)
 
static bool classof (const SVFBaseNode *node)
 
- Static Public Member Functions inherited from SVF::GenericNode< NodeTy, EdgeTy >
static bool classof (const GenericNode< NodeTy, EdgeTy > *)
 
static bool classof (const SVFBaseNode *)
 

Private Attributes

const PAGNodenode
 

Additional Inherited Members

- Public Types inherited from SVF::VFGNode
typedef GNodeK VFGNodeK
 
typedef VFGEdge::VFGEdgeSetTy::iterator iterator
 
typedef VFGEdge::VFGEdgeSetTy::const_iterator const_iterator
 
typedef Set< const CallPE * > CallPESet
 
typedef Set< const RetPE * > RetPESet
 
- Public Types inherited from SVF::GenericNode< NodeTy, EdgeTy >
typedef NodeTy NodeType
 
typedef EdgeTy EdgeType
 
typedef OrderedSet< EdgeType *, typename EdgeType::equalGEdge > GEdgeSetTy
 Edge kind. More...
 
typedef GEdgeSetTy::iterator iterator
 
typedef GEdgeSetTy::const_iterator const_iterator
 
- Public Types inherited from SVF::SVFBaseNode
enum  GNodeK {
  IntraBlock , GlobalBlock , FunEntryBlock , FunExitBlock ,
  FunCallBlock , FunRetBlock , ValNode , GepValNode ,
  RetNode , VarargNode , DummyValNode , ObjNode ,
  GepObjNode , FIObjNode , DummyObjNode , Cmp ,
  BinaryOp , UnaryOp , Branch , DummyVProp ,
  NPtr , FRet , ARet , AParm ,
  FParm , Addr , Copy , Gep ,
  Store , Load , TPhi , TIntraPhi ,
  TInterPhi , FPIN , FPOUT , APIN ,
  APOUT , MPhi , MIntraPhi , MInterPhi ,
  CallNodeKd , CDNodeKd , CFLNodeKd , CHNodeKd ,
  ConstraintNodeKd , TCTNodeKd , DCHNodeKd , OtherKd
}
 
- Static Protected Member Functions inherited from SVF::SVFBaseNode
static bool isICFGNodeKinds (GNodeK n)
 Helper functions to check node kinds. More...
 
static bool isInterICFGNodeKind (GNodeK n)
 
static bool isSVFVarKind (GNodeK n)
 
static bool isValVarKinds (GNodeK n)
 
static bool isObjVarKinds (GNodeK n)
 
static bool isVFGNodeKinds (GNodeK n)
 
static bool isArgumentVFGNodeKinds (GNodeK n)
 
static bool isStmtVFGNodeKinds (GNodeK n)
 
static bool isPHIVFGNodeKinds (GNodeK n)
 
static bool isMRSVFGNodeKinds (GNodeK n)
 
static bool isMSSAPHISVFGNodeKinds (GNodeK n)
 
- Protected Attributes inherited from SVF::VFGNode
const ICFGNodeicfgNode
 
- Protected Attributes inherited from SVF::SVFBaseNode
NodeID id
 Node ID. More...
 
GNodeK nodeKind
 Node kind. More...
 
const SVFTypetype
 SVF type. More...
 
std::string sourceLoc
 Source code information of this value. More...
 

Detailed Description

Dummy Definition for undef and null pointers

Definition at line 1217 of file VFGNode.h.

Constructor & Destructor Documentation

◆ NullPtrVFGNode()

SVF::NullPtrVFGNode::NullPtrVFGNode ( NodeID  id,
const PAGNode n 
)
inline

Constructor.

Definition at line 1223 of file VFGNode.h.

1223  : VFGNode(id,NPtr), node(n)
1224  {
1225 
1226  }
cJSON * n
Definition: cJSON.cpp:2558
const PAGNode * node
Definition: VFGNode.h:1220
VFGNode(NodeID i, VFGNodeK k)
Constructor.
Definition: VFGNode.h:61

Member Function Documentation

◆ classof() [1/4]

static bool SVF::NullPtrVFGNode::classof ( const GenericVFGNodeTy node)
inlinestatic

Definition at line 1247 of file VFGNode.h.

1248  {
1249  return node->getNodeKind() == NPtr;
1250  }
GNodeK getNodeKind() const
Get node kind.
Definition: GenericGraph.h:266

◆ classof() [2/4]

static bool SVF::NullPtrVFGNode::classof ( const NullPtrVFGNode )
inlinestatic

Methods for support type inquiry through isa, cast, and dyn_cast:

Definition at line 1239 of file VFGNode.h.

1240  {
1241  return true;
1242  }

◆ classof() [3/4]

static bool SVF::NullPtrVFGNode::classof ( const SVFBaseNode node)
inlinestatic

Definition at line 1251 of file VFGNode.h.

1252  {
1253  return node->getNodeKind() == NPtr;
1254  }

◆ classof() [4/4]

static bool SVF::NullPtrVFGNode::classof ( const VFGNode node)
inlinestatic

Definition at line 1243 of file VFGNode.h.

1244  {
1245  return node->getNodeKind() == NPtr;
1246  }

◆ getDefSVFVars()

const NodeBS NullPtrVFGNode::getDefSVFVars ( ) const
overridevirtual

Return the left hand side SVF Vars.

Implements SVF::VFGNode.

Definition at line 362 of file VFG.cpp.

363 {
364  NodeBS nb;
365  nb.set(getPAGNode()->getId());
366  return nb;
367 }
const PAGNode * getPAGNode() const
Return corresponding PAGNode.
Definition: VFGNode.h:1233
NodeID getId() const
Get ID.
Definition: GenericGraph.h:260
void set(unsigned Idx)

◆ getPAGNode()

const PAGNode* SVF::NullPtrVFGNode::getPAGNode ( ) const
inline

Return corresponding PAGNode.

Definition at line 1233 of file VFGNode.h.

1234  {
1235  return node;
1236  }

◆ isPTANode()

bool SVF::NullPtrVFGNode::isPTANode ( ) const
inline

Whether this node is of pointer type (used for pointer analysis).

Definition at line 1228 of file VFGNode.h.

1229  {
1230  return node->isPointer();
1231  }
virtual bool isPointer() const
Whether it is a pointer.
Definition: SVFVariables.h:106

◆ toString()

const std::string NullPtrVFGNode::toString ( ) const
overridevirtual

Reimplemented from SVF::VFGNode.

Definition at line 369 of file VFG.cpp.

370 {
371  std::string str;
372  std::stringstream rawstr(str);
373  rawstr << "NullPtrVFGNode ID: " << getId();
374  rawstr << " PAGNode ID: " << node->getId() << "\n";
375  return rawstr.str();
376 }
const char *const string
Definition: cJSON.h:172

Member Data Documentation

◆ node

const PAGNode* SVF::NullPtrVFGNode::node
private

Definition at line 1220 of file VFGNode.h.


The documentation for this class was generated from the following files: