This document provides a complete API reference for the pysvf.pyi file in the SVF-Python project.

• Constants and Type Aliases
• Global Functions
• Core Classes
  • ICFGNode
  • IntraICFGNode
  • InterICFGNode
  • GlobalICFGNode
  • CallGraphNode
  • CallGraphEdge
  • CallGraph
  • FunEntryICFGNode
  • FunExitICFGNode
  • CallICFGNode
  • RetICFGNode
  • ICFGEdge
  • IntraCFGEdge
  • CallCFGEdge
  • RetCFGEdge
  • SVFStmt
  • AssignStmt
  • AddrStmt
  • CopyStmt
  • StoreStmt
  • LoadStmt
  • CallPE
  • RetPE
  • GepStmt
  • MultiOpndStmt
  • PhiStmt
  • SelectStmt
  • CmpStmt
  • BinaryOPStmt
  • UnaryOPStmt
  • BranchStmt
  • ICFG
  • SVFVar
  • ValVar
  • ObjVar
  • ArgValVar

---

Name	Type	Description
BIN_DIR	str	Binary directory path
CURRENT_DIR	str	Current directory path
SVF_DIR	str	SVF directory path
LLVM_DIR	str	LLVM directory path
EXTAPI_BC_PATH	str	External API bytecode path
Z3_DIR	str	Z3 solver directory path
SVFFunction	Any	SVF function type alias
SVFValue	Any	SVF value type alias
SVFLLVMValue	Any	SVF LLVM value type alias
SVFLoop	Any	SVF loop type alias
SVFLoopInfo	Any	SVF loop info type alias
BranchInst	Any	Branch instruction type alias
MemObj	Any	Memory object type alias
OffsetVarAndGepTypePair	Any	Offset variable and GEP type pair alias

---

Function Name	Parameters	Return Type	Description
run_tool	tool_name: str, args: List[str]	None	Run the specified tool

---

Base class for ICFG (Interprocedural Control Flow Graph) nodes.

Method Name	Parameters	Return Type	Description
__init__	*args, **kwargs	None	Constructor (not intended for direct instantiation)
toString	None	str	Get the string representation of the ICFG node
getId	None	int	Get the ID of the ICFG node
getFun	None	SVFFunction	Get the function that the ICFG node belongs to
getBB	None	SVFBasicBlock	Get the basic block that the ICFG node belongs to
getSVFStmts	None	List[SVFStmt]	Get the SVF statements associated with the ICFG node
asFunEntry	None	FunEntryICFGNode	Downcast to FunEntryICFGNode
asFunExit	None	FunExitICFGNode	Downcast to FunExitICFGNode
asCall	None	CallICFGNode	Downcast to CallICFGNode
asRet	None	RetICFGNode	Downcast to RetICFGNode
isFunEntry	None	bool	Check if the ICFG node is a function entry node
isFunExit	None	bool	Check if the ICFG node is a function exit node
isCall	None	bool	Check if the ICFG node is a function call node
isRet	None	bool	Check if the ICFG node is a function return node
getOutEdges	None	List[ICFGEdge]	Get the out edges of the ICFG node
getInEdges	None	List[ICFGEdge]	Get the in edges of the ICFG node

Inherits from ICFGNode, represents intraprocedural ICFG nodes.

Method Name	Parameters	Return Type	Description
__init__	*args, **kwargs	None	Constructor (not intended for direct instantiation)
isRetInst	None	bool	Check if this is a return instruction

Inherits from ICFGNode, represents interprocedural ICFG nodes.

Method Name	Parameters	Return Type	Description
__init__	*args, **kwargs	None	Constructor (not intended for direct instantiation)

Inherits from ICFGNode, represents global ICFG nodes.

Method Name	Parameters	Return Type	Description
__init__	*args, **kwargs	None	Constructor (not intended for direct instantiation)

Call graph node class.

Method Name	Parameters	Return Type	Description
__init__	*args, **kwargs	None	Constructor (not intended for direct instantiation)
getFunction	None	SVFFunction	Get the function of the call graph node
getId	None	int	Get the ID of the call graph node
getName	None	str	Get the name of the function
getInEdges	None	List[CallGraphEdge]	Get incoming edges of this node
getOutEdges	None	List[CallGraphEdge]	Get outgoing edges of this node
isReachableFromProgEntry	None	bool	Check if this function is reachable from program entry
toString	None	str	Get string representation of this node

Call graph edge class.

Method Name	Parameters	Return Type	Description
__init__	*args, **kwargs	None	Constructor (not intended for direct instantiation)
getSrcNode	None	CallGraphNode	Get the source node of the call graph edge
getDstNode	None	CallGraphNode	Get the destination node of the call graph edge
getCallSiteID	None	int	Get the call site ID
getSrcID	None	int	Get source node ID
getDstID	None	int	Get destination node ID
getDirectCalls	None	List[CallICFGNode]	Get direct call ICFG nodes
getIndirectCalls	None	List[CallICFGNode]	Get indirect call ICFG nodes
isDirectCallEdge	None	bool	Check if this is a direct call edge
isIndirectCallEdge	None	bool	Check if this is an indirect call edge
toString	None	str	Get string representation

Call graph class.

Method Name	Parameters	Return Type	Description
__init__	*args, **kwargs	None	Constructor (not intended for direct instantiation)
getGNode	id: int	CallGraphNode	Get the call graph node by ID
dump	None	None	Dump the call graph to console
view	None	None	View the call graph (opens visualization)
getCallGraphNodeByFunObj	fun: FunObjVar	CallGraphNode	Get the call graph node for the given function
getCallGraphNodeByName	name: str	CallGraphNode	Get the call graph node for the given function name
getCallGraphNodeById	id: int	CallGraphNode	Get the call graph node by ID
getNodes	None	List[CallGraphNode]	Get all nodes in this call graph
isReachableBetweenFunctions	src: SVFFunction, dst: SVFFunction	bool	Check if there's a path between two functions

Inherits from ICFGNode, represents function entry ICFG nodes.

Method Name	Parameters	Return Type	Description
__init__	*args, **kwargs	None	Constructor (not intended for direct instantiation)
getFormalParms	None	List[SVFVar]	Get the formal parameters of the function
addFormalParm	parm: SVFVar	None	Add a formal parameter to the function

Inherits from ICFGNode, represents function exit ICFG nodes.

Method Name	Parameters	Return Type	Description
__init__	*args, **kwargs	None	Constructor (not intended for direct instantiation)
getFormalRet	None	SVFVar	Get the formal return value of the function
addFormalRet	ret: SVFVar	None	Add a formal return value to the function

Inherits from ICFGNode, represents call ICFG nodes.

Method Name	Parameters	Return Type	Description
__init__	*args, **kwargs	None	Constructor (not intended for direct instantiation)
getCaller	None	FunEntryICFGNode	Get the caller function
getCalledFunction	None	FunObjVar	Get the called function
getActualParms	None	List[SVFVar]	Get the actual parameters of the call
addActualParms	parm: SVFVar	None	Add an actual parameter to the call
getArgument	idx: int	SVFVar	Get the argument at the given index
isVarArg	None	bool	Check if the call is a vararg call
isVirtualCall	None	bool	Check if the call is a virtual call
getRetICFGNode	None	RetICFGNode	Get the return ICFG node

Inherits from ICFGNode, represents return ICFG nodes.

Method Name	Parameters	Return Type	Description
__init__	*args, **kwargs	None	Constructor (not intended for direct instantiation)
getActualRet	None	SVFVar	Get the actual return value
addActualRet	ret: SVFVar	None	Add an actual return value
getCallICFGNode	None	CallICFGNode	Get the call ICFG node

Base class for ICFG edges.

Method Name	Parameters	Return Type	Description
__init__	*args, **kwargs	None	Constructor (not intended for direct instantiation)
toString	None	str	Get the string representation of the ICFG edge
isCFGEdge	None	bool	Check if the edge is a CFG edge
isCallCFGEdge	None	bool	Check if the edge is a call CFG edge
isRetCFGEdge	None	bool	Check if the edge is a return CFG edge
isIntraCFGEdge	None	bool	Check if the edge is an intra CFG edge
getSrcNode	None	ICFGNode	Get the source node of the edge
getDstNode	None	ICFGNode	Get the destination node of the edge
asIntraCFGEdge	None	IntraCFGEdge	Downcast to IntraCFGEdge
asCallCFGEdge	None	CallCFGEdge	Downcast to CallCFGEdge
asRetCFGEdge	None	RetCFGEdge	Downcast to RetCFGEdge

Inherits from ICFGEdge, represents intraprocedural CFG edges.

Method Name	Parameters	Return Type	Description
__init__	*args, **kwargs	None	Constructor (not intended for direct instantiation)
getCondition	None	SVFStmt	Get the condition of the edge
getSuccessorCondValue	None	SVFValue	Get the successor condition value

Inherits from ICFGEdge, represents call CFG edges.

Method Name	Parameters	Return Type	Description
__init__	*args, **kwargs	None	Constructor (not intended for direct instantiation)
getCallSite	None	CallICFGNode	Get the call site
getCallPEs	None	List[CallPE]	Get the call PEs

Inherits from ICFGEdge, represents return CFG edges.

Method Name	Parameters	Return Type	Description
__init__	*args, **kwargs	None	Constructor (not intended for direct instantiation)
getCallSite	None	CallICFGNode	Get the call site
getRetPE	None	RetPE	Get the return PE

Base class for SVF statements.

Method Name	Parameters	Return Type	Description
__init__	*args, **kwargs	None	Constructor (not intended for direct instantiation)
toString	None	str	Get the string representation of the SVF statement
getEdgeId	None	int	Get the ID of the SVF statement
getICFGNode	None	ICFGNode	Get the ICFG node that the SVF statement belongs to
getValue	None	SVFValue	Get the value of the SVF statement
getBB	None	SVFBasicBlock	Get the basic block that the SVF statement belongs to
isAddrStmt	None	bool	Check if the SVF statement is an address statement
isCopyStmt	None	bool	Check if the SVF statement is a copy statement
isStoreStmt	None	bool	Check if the SVF statement is a store statement
isLoadStmt	None	bool	Check if the SVF statement is a load statement
isCallPE	None	bool	Check if the SVF statement is a call PE
isRetPE	None	bool	Check if the SVF statement is a return PE
isGepStmt	None	bool	Check if the SVF statement is a GEP statement
isPhiStmt	None	bool	Check if the SVF statement is a phi statement
isSelectStmt	None	bool	Check if the SVF statement is a select statement
isCmpStmt	None	bool	Check if the SVF statement is a compare statement
isBinaryOpStmt	None	bool	Check if the SVF statement is a binary operation statement
isUnaryOpStmt	None	bool	Check if the SVF statement is a unary operation statement
isBranchStmt	None	bool	Check if the SVF statement is a branch statement
asAddrStmt	None	AddrStmt	Downcast the SVF statement to an address statement
asCopyStmt	None	CopyStmt	Downcast the SVF statement to a copy statement
asStoreStmt	None	StoreStmt	Downcast the SVF statement to a store statement
asLoadStmt	None	LoadStmt	Downcast the SVF statement to a load statement
asCallPE	None	CallPE	Downcast the SVF statement to a call PE
asRetPE	None	RetPE	Downcast the SVF statement to a return PE
asGepStmt	None	GepStmt	Downcast the SVF statement to a GEP statement
asPhiStmt	None	PhiStmt	Downcast the SVF statement to a phi statement
asSelectStmt	None	SelectStmt	Downcast the SVF statement to a select statement
asCmpStmt	None	CmpStmt	Downcast the SVF statement to a compare statement
asBinaryOpStmt	None	BinaryOPStmt	Downcast the SVF statement to a binary operation statement
asUnaryOpStmt	None	UnaryOPStmt	Downcast the SVF statement to a unary operation statement
asBranchStmt	None	BranchStmt	Downcast the SVF statement to a branch statement

Inherits from SVFStmt, represents assignment statements.

Method Name	Parameters	Return Type	Description
getLHSVar	None	SVFVar	Get the LHS variable of the assignment statement
getLHSVarID	None	int	Get the ID of the LHS variable of the assignment statement
getRHSVar	None	SVFVar	Get the RHS variable of the assignment statement
getRHSVarID	None	int	Get the ID of the RHS variable of the assignment statement

Inherits from AssignStmt, represents address statements.

Method Name	Parameters	Return Type	Description
getArrSize	None	SVFValue	Get the array size of the address statement

Inherits from AssignStmt, represents copy statements.

Method Name	Parameters	Return Type	Description
__init__	*args, **kwargs	None	Constructor (not intended for direct instantiation)
getCopyKind	None	int	Get the copy kind of the copy statement
isBitcast	None	bool	Check if the copy statement is a bitcast
isInt2Ptr	None	bool	Check if the copy statement is an int2ptr
isPtr2Int	None	bool	Check if the copy statement is a ptr2int
isSext	None	bool	Check if the copy statement is a sext
isZext	None	bool	Check if the copy statement is a zext
isValueCopy	None	bool	Check if the copy statement is a value copy

Inherits from AssignStmt, represents store statements.

Method Name	Parameters	Return Type	Description
(Inherits from AssignStmt)	-	-	-

Inherits from AssignStmt, represents load statements.

Method Name	Parameters	Return Type	Description
(Inherits from AssignStmt)	-	-	-

Inherits from AssignStmt, represents call PE.

Method Name	Parameters	Return Type	Description
__init__	*args, **kwargs	None	Constructor (not intended for direct instantiation)
getCallSite	None	CallICFGNode	Get the call site
getFunEntryICFGNode	None	FunEntryICFGNode	Get the function entry ICFG node

Inherits from AssignStmt, represents return PE.

Method Name	Parameters	Return Type	Description
__init__	*args, **kwargs	None	Constructor (not intended for direct instantiation)
getCallSite	None	CallICFGNode	Get the call site
getFunExitICFGNode	None	FunExitICFGNode	Get the function exit ICFG node

Inherits from AssignStmt, represents GEP (GetElementPtr) statements.

Method Name	Parameters	Return Type	Description
__init__	*args, **kwargs	None	Constructor (not intended for direct instantiation)
isConstantOffset	None	bool	Check if the GEP statement has a constant offset
getConstantOffset	None	int	Get the constant offset
getConstantByteOffset	None	int	Get the constant byte offset
getConstantStructFldIdx	None	int	Get the constant struct field index
getOffsetVarAndGepTypePairVec	None	List[OffsetVarAndGepTypePair]	Get the offset variable and GEP type pair vector
getSrcPointeeType	None	SVFType	Get the source pointee type

Inherits from SVFStmt, represents multi-operand statements.

Method Name	Parameters	Return Type	Description
getOpVar	ID: int	SVFVar	Get the operand variable
getOpVarId	None	int	Get the ID of the operand variable
getOpndVars	None	List[SVFVar]	Get the operand variables
getRes	None	SVFVar	Get the result variable
getResId	None	int	Get the ID of the result variable
getOpVarNum	None	int	Get the number of operand variables
__iter__	None	Iterator[SVFVar]	Iterate over the operand variables

Inherits from MultiOpndStmt, represents phi statements.

Method Name	Parameters	Return Type	Description
getOpICFGNode	idx: int	ICFGNode	Get the operand ICFG node
isFunRetPhi	None	bool	Check if the phi statement is a function return phi

Inherits from MultiOpndStmt, represents select statements.

Method Name	Parameters	Return Type	Description
getCondition	None	SVFVar	Get the condition variable
getTrueValue	None	SVFVar	Get the true value variable
getFalseValue	None	SVFVar	Get the false value variable

Inherits from MultiOpndStmt, represents compare statements.

Method Name	Parameters	Return Type	Description
getPredicate	None	int	Get the predicate

Inherits from MultiOpndStmt, represents binary operation statements.

Method Name	Parameters	Return Type	Description
__init__	*args, **kwargs	None	Constructor (not intended for direct instantiation)
getOpcode	None	int	Get the opcode of the binary operation

Inherits from SVFStmt, represents unary operation statements.

Method Name	Parameters	Return Type	Description
__init__	*args, **kwargs	None	Constructor (not intended for direct instantiation)
getOp	None	int	Get the opcode
getRes	None	SVFVar	Get the result variable
getResVar	None	SVFVar	Get the result variable
getResId	None	int	Get the ID of the result variable
getOpVar	None	SVFVar	Get the operand variable
getOpVarId	None	int	Get the ID of the operand variable
getOpcode	None	int	Get the opcode of the unary operation

Inherits from SVFStmt, represents branch statements.

Method Name	Parameters	Return Type	Description
__init__	*args, **kwargs	None	Constructor (not intended for direct instantiation)
getSuccessors	None	List[ICFGNode]	Get the successors of the branch statement
getNumSuccessors	None	int	Get the number of successors
isConditional	None	bool	Check if the branch statement is conditional
isUnconditional	None	bool	Check if the branch statement is unconditional
getCondition	None	SVFVar	Get the condition variable
getBranchInst	None	BranchInst	Get the branch instruction

ICFG (Interprocedural Control Flow Graph) class.

Method Name	Parameters	Return Type	Description
__init__	*args, **kwargs	None	Constructor (not intended for direct instantiation)
getNodes	None	List[ICFGNode]	Get the nodes of the ICFG
getGNode	id: int	ICFGNode	Get the ICFG node with the given ID
getGlobalICFGNode	None	ICFGNode	Get the global ICFG node
dump	file: str	None	Dump the ICFG to a file
__iter__	None	Iterator[tuple[int, ICFGNode]]	Iterate over the ICFG nodes
getFunEntryICFGNode	fun: FunObjVar	FunEntryICFGNode	Get the function entry ICFG node for the given function

Base class for SVF variables.

Method Name	Parameters	Return Type	Description
__init__	*args, **kwargs	None	Constructor (not intended for direct instantiation)
getName	None	str	Get the name of the SVF variable
getId	None	int	Get the ID of the SVF variable
isPointer	None	bool	Check if the SVF variable is a pointer
isConstDataOrAggDataButNotNullPtr	None	bool	Check if the SVF variable is const data or agg data but not a null pointer
isIsolatedNode	None	bool	Check if the SVF variable is an isolated node
getValueName	None	str	Get the value name of the SVF variable
getFunction	None	SVFFunction	Get the function that the SVF variable belongs to
ptrInUncalledFunction	None	bool	Check if the pointer is in an uncalled function
isConstDataOrAggData	None	bool	Check if the SVF variable is const data or agg data
toString	None	str	Get the string representation of the SVF variable
isValVar	None	bool	Check if the SVF variable is a ValVar
isObjVar	None	bool	Check if the SVF variable is an ObjVar
isGepValVar	None	bool	Check if the SVF variable is a GepValVar
isGepObjVar	None	bool	Check if the SVF variable is a GepObjVar
isFunObjVar	None	bool	Check if the SVF variable is a FunObjVar
isFunValVar	None	bool	Check if the SVF variable is a FunValVar
isArgValVar	None	bool	Check if the SVF variable is an ArgValVar
isRetValVar	None	bool	Check if the SVF variable is a RetValPN
isDummyValVar	None	bool	Check if the SVF variable is a DummyValVar
isDummyObjVar	None	bool	Check if the SVF variable is a DummyObjVar
asValVar	None	ValVar	Downcast the SVF variable to a ValVar
asObjVar	None	ObjVar	Downcast the SVF variable to an ObjVar
asGepValVar	None	GepValVar	Downcast the SVF variable to a GepValVar
asGepObjVar	None	GepObjVar	Downcast the SVF variable to a GepObjVar
asFunObjVar	None	FunObjVar	Downcast the SVF variable to a FunObjVar
asFunValVar	None	FunValVar	Downcast the SVF variable to a FunValVar
asArgValVar	None	ArgValVar	Downcast the SVF variable to an ArgValVar
asRetValVar	None	RetValPN	Downcast the SVF variable to a RetValPN
asDummyValVar	None	DummyValVar	Downcast the SVF variable to a DummyValVar
asDummyObjVar	None	DummyObjVar	Downcast the SVF variable to a DummyObjVar
getInEdges	None	List[SVFStmt]	Get incoming edges
getOutEdges	None	List[SVFStmt]	Get outgoing edges

Inherits from SVFVar, represents value variables.

Method Name	Parameters	Return Type	Description
__init__	*args, **kwargs	None	Constructor (not intended for direct instantiation)
getICFGNode	None	ICFGNode	Get the ICFG node that the SVF variable belongs to
getValueName	None	str	Get the value name of the SVF variable
getFunction	None	SVFFunction	Get the function that the SVF variable belongs to
toString	None	str	Get the string representation of the SVF variable
getType	None	SVFType	Get the type of the SVF variable
isFunValVar	None	bool	Check if the SVF variable is a FunValVar
asFunValVar	None	FunValVar	Downcast the SVF variable to a FunValVar
isArgValVar	None	bool	Check if the SVF variable is an ArgValVar
asArgValVar	None	ArgValVar	Downcast the SVF variable to an ArgValVar
isGlobalValVar	None	bool	Check if the SVF variable is a GlobalValVar
asGlobalValVar	None	GlobalValVar	Downcast the SVF variable to a GlobalValVar
isConstAggValVar	None	bool	Check if the SVF variable is a ConstAggValVar
asConstAggValVar	None	ConstAggValVar	Downcast the SVF variable to a ConstAggValVar
isConstDataValVar	None	bool	Check if the SVF variable is a ConstDataValVar
asConstDataValVar	None	ConstDataValVar	Downcast the SVF variable to a ConstDataValVar
isConstFPValVar	None	bool	Check if the SVF variable is a ConstFPValVar
asConstFPValVar	None	ConstFPValVar	Downcast the SVF variable to a ConstFPValVar
isConstIntValVar	None	bool	Check if the SVF variable is a ConstIntValVar
asConstIntValVar	None	ConstIntValVar	Downcast the SVF variable to a ConstIntValVar
isConstNullPtrValVar	None	bool	Check if the SVF variable is a ConstNullPtrValVar
asConstNullPtrValVar	None	ConstNullPtrValVar	Downcast the SVF variable to a ConstNullPtrValVar
isBlackHoleValVar	None	bool	Check if the SVF variable is a BlackHoleValVar
asBlackHoleValVar	None	BlackHoleValVar	Downcast the SVF variable to a BlackHoleValVar
isGepValVar	None	bool	Check if the SVF variable is a GepValVar
asGepValVar	None	GepValVar	Downcast the SVF variable to a GepValVar
isRetValPN	None	bool	Check if the SVF variable is a RetValPN
asRetValPN	None	RetValPN	Downcast the SVF variable to a RetValPN
isVarArgValPN	None	bool	Check if the SVF variable is a VarArgValPN
asVarArgValPN	None	VarArgValPN	Downcast the SVF variable to a VarArgValPN
isDummyValVar	None	bool	Check if the SVF variable is a DummyValVar
asDummyValVar	None	DummyValVar	Downcast the SVF variable to a DummyValVar

Inherits from SVFVar, represents object variables.

Method Name	Parameters	Return Type	Description
__init__	*args, **kwargs	None	Constructor (not intended for direct instantiation)
getValueName	None	str	Get the value name of the SVF variable
toString	None	str	Get the string representation of the SVF variable
isObjVar	node: SVFVar	bool	Check if the SVF variable is an ObjVar (static method)
asObjVar	node: SVFVar	ObjVar	Downcast the SVF variable to an ObjVar (static method)
isBaseObjVar	node: ObjVar	bool	Check if the SVF variable is a BaseObjVar (static method)
asBaseObjVar	node: ObjVar	BaseObjVar	Downcast the SVF variable to a BaseObjVar (static method)
isGepObjVar	node: ObjVar	bool	Check if the SVF variable is a GepObjVar (static method)
asGepObjVar	node: ObjVar	GepObjVar	Downcast the SVF variable to a GepObjVar (static method)
isFunObjVar	node: ObjVar	bool	Check if the SVF variable is a FunObjVar (static method)
asFunObjVar	node: ObjVar	FunObjVar	Downcast the SVF variable to a FunObjVar (static method)
isConstAggObjVar	None	bool	Check if this is a constant aggregate object variable
isConstDataObjVar	None	bool	Check if this is a constant data object variable
isConstFPObjVar	None	bool	Check if this is a constant floating point object variable
isConstIntObjVar	None	bool	Check if this is a constant integer object variable
isConstNullPtrObjVar	None	bool	Check if this is a constant null pointer object variable
isGlobalObjVar	None	bool	Check if this is a global object variable
isHeapObjVar	None	bool	Check if this is a heap object variable
isStackObjVar	None	bool	Check if this is a stack object variable
asConstAggObjVar	None	ConstAggObjVar	Cast to ConstAggObjVar if possible
asConstDataObjVar	None	ConstDataObjVar	Cast to ConstDataObjVar if possible
asConstFPObjVar	None	ConstFPObjVar	Cast to ConstFPObjVar if possible
asConstIntObjVar	None	ConstIntObjVar	Cast to ConstIntObjVar if possible
asConstNullPtrObjVar	None	ConstNullPtrObjVar	Cast to ConstNullPtrObjVar if possible
asGlobalObjVar	None	GlobalObjVar	Cast to GlobalObjVar if possible
asHeapObjVar	None	HeapObjVar	Cast to HeapObjVar if possible
asStackObjVar	None	StackObjVar	Cast to StackObjVar if possible

Inherits from ValVar, represents argument value variables.

Method Name	Parameters	Return Type	Description
__init__	*args, **kwargs	None	Constructor (not intended for direct instantiation)
getFunction	None	SVFFunction	Get the function that the SVF variable belongs to
getParent	None	SVFVar	Get the parent of the SVF variable
getArgNo	None	int	Get the argument number
isPointer	None	bool	Check if the SVF variable is a pointer