Package qilin.core.pag

Class GlobalVarNode

java.lang.Object

qilin.core.pag.PagNode

qilin.core.pag.ValNode

qilin.core.pag.VarNode

qilin.core.pag.GlobalVarNode

All Implemented Interfaces:

Comparable<ValNode>, Numberable

public class GlobalVarNode
extends VarNode

Represents a simple variable node in the pointer assignment graph that is not associated with any particular method invocation. Unlike LocalVarNode, whose underlying variable (see VarNode.getVariable()) can be several different kinds of synthetic key, a GlobalVarNode's variable is always exactly one of FieldSignature (a static field), StringConstant, or ClassConstant — see PAG.makeGlobalVarNode(Object, Type). Use getFieldSignature()/getStringConstant()/getClassConstant() instead of casting VarNode.getVariable() yourself.

Author:

Ondrej Lhotak

Field Summary

Fields inherited from class qilin.core.pag.VarNode

fields, interProcSource, interProcTarget, variable

Fields inherited from class qilin.core.pag.PagNode

p2set, type

Constructor Summary

Constructors

Constructor	Description
GlobalVarNode(Object variable, Type t)

Method Summary

Modifier and Type	Method	Description
VarNode	base()
ClassConstant	getClassConstant()	Returns the underlying class constant, or null if this node represents a field.
FieldSignature	getFieldSignature()	Returns the underlying static field, or null if this node represents a constant.
SootMethod	getMethod()
StringConstant	getStringConstant()	Returns the underlying string constant, or null if this node represents a field.
PagNode	parameterize(Parameterizer parameterizer, Context context)	Turns this node into its context-sensitive counterpart by calling back into the matching overload of parameterizer.
String	toString()

Methods inherited from class qilin.core.pag.VarNode

context, dot, getAllFieldRefs, getLocal, getMethodParameter, getVariable, isInterProcSource, isInterProcTarget, setInterProcSource, setInterProcTarget

Methods inherited from class qilin.core.pag.ValNode

compareTo, discardP2Set, getP2Set

Methods inherited from class qilin.core.pag.PagNode

equals, getNumber, getType, hashCode, setNumber

Methods inherited from class java.lang.Object

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

Methods inherited from interface qilin.util.Numberable

getNumber, setNumber

Constructor Details

GlobalVarNode

public GlobalVarNode(Object variable,
 Type t)

Method Details

base

public VarNode base()

Specified by:

base in class VarNode

getMethod

public SootMethod getMethod()

Specified by:

getMethod in class VarNode

getFieldSignature

public FieldSignature getFieldSignature()

Returns the underlying static field, or null if this node represents a constant.

getStringConstant

public StringConstant getStringConstant()

Returns the underlying string constant, or null if this node represents a field.

getClassConstant

public ClassConstant getClassConstant()

Returns the underlying class constant, or null if this node represents a field.

toString

public String toString()

Overrides:

toString in class Object

parameterize

public PagNode parameterize(Parameterizer parameterizer,
 Context context)

Description copied from class: PagNode

Turns this node into its context-sensitive counterpart by calling back into the matching overload of parameterizer. Only the node kinds that can actually be parameterized (LocalVarNode, FieldRefNode, AllocNode, FieldValNode, GlobalVarNode) override this; every other node kind is not meant to reach a context parameterization step, so the default fails loudly instead of silently doing nothing.

Overrides:

parameterize in class PagNode