Package qilin.core.pag

Class VarNode

java.lang.Object

qilin.core.pag.Node

qilin.core.pag.ValNode

qilin.core.pag.VarNode

All Implemented Interfaces:

Comparable, Numberable

Direct Known Subclasses:

ContextVarNode, GlobalVarNode, LocalVarNode

public abstract class VarNode
extends ValNode

Represents a simple variable node in the pointer assignment graph.

Author:

Ondrej Lhotak

Field Summary

Fields

Modifier and Type	Field	Description
protected Map<SparkField,FieldRefNode>	fields
protected boolean	interProcSource
protected boolean	interProcTarget
protected Object	variable

Fields inherited from class qilin.core.pag.Node

p2set, type

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	VarNode(Object variable, Type t)

Method Summary

Modifier and Type	Method	Description
abstract VarNode	base()
Context	context()
FieldRefNode	dot(SparkField field)	Returns the field ref node having this node as its base, and field as its field; null if nonexistent.
Collection<FieldRefNode>	getAllFieldRefs()	Returns all field ref nodes having this node as their base.
abstract SootMethod	getMethod()
Object	getVariable()	Returns the underlying variable that this node represents.
boolean	isInterProcSource()	Returns true if this node is the potential source of a interprocedural assignment edge which may be added during on-the-fly call graph updating.
boolean	isInterProcTarget()	Returns true if this node is the potential target of a interprocedural assignment edge which may be added during on-the-fly call graph updating.
void	setInterProcSource()	Designates this node as the potential source of a interprocedural assignment edge which may be added during on-the-fly call graph updating.
void	setInterProcTarget()	Designates this node as the potential target of a interprocedural assignment edge which may be added during on-the-fly call graph updating.

Methods inherited from class qilin.core.pag.ValNode

compareTo, discardP2Set, getP2Set

Methods inherited from class qilin.core.pag.Node

equals, getNumber, getType, hashCode, setNumber

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface qilin.util.Numberable

getNumber, setNumber

Field Details

variable

protected Object variable

fields

protected Map<SparkField,FieldRefNode> fields

interProcTarget

protected boolean interProcTarget

interProcSource

protected boolean interProcSource

Constructor Details

VarNode

protected VarNode(Object variable,
 Type t)

Method Details

context

public Context context()

getAllFieldRefs

public Collection<FieldRefNode> getAllFieldRefs()

Returns all field ref nodes having this node as their base.

dot

public FieldRefNode dot(SparkField field)

Returns the field ref node having this node as its base, and field as its field; null if nonexistent.

getVariable

public Object getVariable()

Returns the underlying variable that this node represents.

setInterProcTarget

public void setInterProcTarget()

Designates this node as the potential target of a interprocedural assignment edge which may be added during on-the-fly call graph updating.

isInterProcTarget

public boolean isInterProcTarget()

Returns true if this node is the potential target of a interprocedural assignment edge which may be added during on-the-fly call graph updating.

setInterProcSource

public void setInterProcSource()

Designates this node as the potential source of a interprocedural assignment edge which may be added during on-the-fly call graph updating.

isInterProcSource

public boolean isInterProcSource()

Returns true if this node is the potential source of a interprocedural assignment edge which may be added during on-the-fly call graph updating.

base

public abstract VarNode base()

getMethod

public abstract SootMethod getMethod()