soot.toolkits.scalar

Class BackwardFlowAnalysis<N,A>

java.lang.Object

soot.toolkits.scalar.AbstractFlowAnalysis<N,A>

soot.toolkits.scalar.FlowAnalysis<N,A>

soot.toolkits.scalar.BackwardFlowAnalysis<N,A>

Direct Known Subclasses:

CombinedDUAnalysis, CommonPrecedingEqualValueAnalysis, DownSafetyAnalysis, LockableReferenceAnalysis, New2InitFlowAnalysis, NotIsolatedAnalysis, NullnessAssumptionAnalysis, PostDominatorAnalysis, StrayRWFinder

public abstract class BackwardFlowAnalysis<N,A>
extends FlowAnalysis<N,A>

Abstract class that provides the fixed point iteration functionality required by all BackwardFlowAnalyses.

Nested Class Summary

Nested classes/interfaces inherited from class soot.toolkits.scalar.FlowAnalysis

FlowAnalysis.Flow

Field Summary

Fields inherited from class soot.toolkits.scalar.FlowAnalysis

filterUnitToAfterFlow, unitToAfterFlow

Fields inherited from class soot.toolkits.scalar.AbstractFlowAnalysis

filterUnitToBeforeFlow, graph, unitToBeforeFlow

Constructor Summary

Constructors

Constructor and Description
BackwardFlowAnalysis(DirectedGraph<N> graph) Construct the analysis from a DirectedGraph representation of a Body.

Method Summary

Methods

Modifier and Type	Method and Description
protected void	doAnalysis() Carries out the actual flow analysis.
protected boolean	isForward() Returns false

Methods inherited from class soot.toolkits.scalar.FlowAnalysis

flowThrough, getFlow, getFlowAfter, getFlowBefore, omissible

Methods inherited from class soot.toolkits.scalar.AbstractFlowAnalysis

copy, entryInitialFlow, merge, merge, mergeInto, newInitialFlow, treatTrapHandlersAsEntries

Methods inherited from class java.lang.Object

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

Constructor Detail

BackwardFlowAnalysis

public BackwardFlowAnalysis(DirectedGraph<N> graph)

Construct the analysis from a DirectedGraph representation of a Body.

Method Detail

isForward

protected boolean isForward()

Returns false

Specified by:

isForward in class AbstractFlowAnalysis<N,A>

Returns:

false

doAnalysis

protected void doAnalysis()

Description copied from class: AbstractFlowAnalysis

Carries out the actual flow analysis. Typically called from a concrete FlowAnalysis's constructor.

Specified by:

doAnalysis in class AbstractFlowAnalysis<N,A>