com.ugos.jiprolog.extensions.terms

Class FreeVariables2

java.lang.Object

com.ugos.jiprolog.engine.JIPXCall

com.ugos.jiprolog.extensions.terms.FreeVariables2

public class FreeVariables2
extends JIPXCall

Constructor Summary

Constructors

Constructor and Description
FreeVariables2()

Method Summary

Methods

Modifier and Type	Method and Description
boolean	hasMoreChoicePoints() Invoked by xcall/2 to check if the custom predicate has more choice points on backtracking.
boolean	unify(JIPCons input, Hashtable varsTbl) Invoked by xcall/2 to check if the custom predicate unify with the passed parameters For more information see the section "How to write a custom built-in predicate" in the Reference Manual.

Methods inherited from class com.ugos.jiprolog.engine.JIPXCall

getJIPEngine, getPredicate, getQueryHandle, init

Methods inherited from class java.lang.Object

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

Constructor Detail

FreeVariables2

public FreeVariables2()

Method Detail

unify

public final boolean unify(JIPCons input,
            Hashtable varsTbl)

Description copied from class: JIPXCall

Invoked by xcall/2 to check if the custom predicate unify with the passed parameters For more information see the section "How to write a custom built-in predicate" in the Reference Manual.

Specified by:

unify in class JIPXCall

Parameters:

input - the parameters passed to the predicate.

Returns:

true if the custom predicates unify with the parameter passed, false otherwise

See Also:

JIPCons

hasMoreChoicePoints

public boolean hasMoreChoicePoints()

Description copied from class: JIPXCall

Invoked by xcall/2 to check if the custom predicate has more choice points on backtracking.

Specified by:

hasMoreChoicePoints in class JIPXCall

Returns:

true if the custom predicate has more choice points, false otherwise.