de.uka.ilkd.key.rule.conditions

Class DifferentFields

java.lang.Object

de.uka.ilkd.key.rule.VariableConditionAdapter

de.uka.ilkd.key.rule.conditions.DifferentFields

All Implemented Interfaces:

VariableCondition

public final class DifferentFields
extends VariableConditionAdapter

This variable condition checks if given two terms s, t both terms have a different unique symbol as top level operator

Field Summary

Fields

Modifier and Type	Field and Description
private SchemaVariable	var1
private SchemaVariable	var2

Constructor Summary

Constructors

Constructor and Description
DifferentFields(SchemaVariable var1, SchemaVariable var2)

Method Summary

Modifier and Type	Method and Description
boolean	check(SchemaVariable var, SVSubstitute instCandidate, SVInstantiations instMap, Services services) checks if the condition for a correct instantiation is fulfilled
boolean	checkHelp(java.lang.Object o1, java.lang.Object o2)
java.lang.String	toString()

Methods inherited from class de.uka.ilkd.key.rule.VariableConditionAdapter

check

Methods inherited from class java.lang.Object

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

Field Detail

var1

private final SchemaVariable var1

var2

private final SchemaVariable var2

Constructor Detail

DifferentFields

public DifferentFields(SchemaVariable var1,
                       SchemaVariable var2)

Method Detail

check

public boolean check(SchemaVariable var,
                     SVSubstitute instCandidate,
                     SVInstantiations instMap,
                     Services services)

Description copied from class: VariableConditionAdapter

checks if the condition for a correct instantiation is fulfilled

Specified by:

check in class VariableConditionAdapter

Parameters:

var - the template Variable to be instantiated

instMap - the MatchCondition with the current matching state and in particular the SVInstantiations that are already known to be needed

services - the program information object

Returns:

true iff condition is fulfilled

checkHelp

public boolean checkHelp(java.lang.Object o1,
                         java.lang.Object o2)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object