de.uka.ilkd.key.strategy.feature

Class InstantiatedSVFeature

java.lang.Object

de.uka.ilkd.key.strategy.feature.BinaryFeature

de.uka.ilkd.key.strategy.feature.BinaryTacletAppFeature

de.uka.ilkd.key.strategy.feature.InstantiatedSVFeature

All Implemented Interfaces:

Feature

Direct Known Subclasses:

SVNeedsInstantiation

public class InstantiatedSVFeature
extends BinaryTacletAppFeature

Feature that returns zero iff a certain schema variable is instantiated. If the schemavariable is not instantiated schema variable or does not occur in the taclet infinity costs are returned.

Field Summary

Fields

Modifier and Type	Field and Description
private ProjectionToTerm	instProj

Fields inherited from class de.uka.ilkd.key.strategy.feature.BinaryFeature

TOP_COST, ZERO_COST

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	InstantiatedSVFeature(Name svName)

Method Summary

Modifier and Type	Method and Description
static Feature	create(Name svName)
protected boolean	filter(TacletApp app, PosInOccurrence pos, Goal goal) Compute whether the result of the feature is zero (true) or infinity (false)

Methods inherited from class de.uka.ilkd.key.strategy.feature.BinaryTacletAppFeature

filter

Methods inherited from class de.uka.ilkd.key.strategy.feature.BinaryFeature

computeCost

Methods inherited from class java.lang.Object

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

Field Detail

instProj

private final ProjectionToTerm instProj

Constructor Detail

InstantiatedSVFeature

protected InstantiatedSVFeature(Name svName)

Method Detail

create

public static Feature create(Name svName)

filter

protected boolean filter(TacletApp app,
                         PosInOccurrence pos,
                         Goal goal)

Description copied from class: BinaryTacletAppFeature

Compute whether the result of the feature is zero (true) or infinity (false)

Specified by:

filter in class BinaryTacletAppFeature

Parameters:

app - the TacletApp

pos - position where app is to be applied

goal - the goal on which app is to be applied

Returns:

true iff the the result of the feature is supposed to be zero.