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Java Source Code / Java Documentation » Testing » KeY » de.uka.ilkd.key.proof.decproc.smtlib

Source Cross Reference Class Diagram Java Document (Java Doc)

java.lang .Object

de.uka.ilkd.key.proof.decproc.smtlib .Formula

de.uka.ilkd.key.proof.decproc.smtlib .LetFormula

LetFormula

public class LetFormula extends Formula (Code)

Represents a 'let'-construct formula as defined in the SMT-Lib specification, and specialized in the (QF_)AUFLIA sublogic.

Thereby a 'let'-construct consists of a formula f, a term variable termVar contained in f, and a term t. It is semantically equivalent to the formula obtained by replacing every free occurence of termVar in f by the term t.

LetFormula are immutable; their values cannot be changed after they are created
author:
akuwertz
version:
1.4, 12/12/2005 (Adjustments to superclass V1.5; further comments)

Constructor Summary
public	LetFormula(TermVariable tVar, Term t, Formula f) Creates a new `LetFormula` using the 'let'-construct.

Method Summary
public boolean	containsFormula(Formula form) Returns true if this `LetFormula` contains `form` as a subformula. In a 'let'-construct, the formula obtained by replacing every free occurence of its `TermVariable` `termVar` in its `Formula` `f` by its `Term` `t`, is checked for containing the specified `Formula` `form`.
public boolean	containsTerm(Term term) Returns true if this `LetFormula` contains the `Term` `term`.
public boolean	equals(Object o)
public boolean	equalsReplacedForm(Formula form) Returns true if the specified `Formula` `form` equals the `Formula` obtained from this `LetFormula` by replacing every free occurence of its `TermVariable` `termVar` by its `Term` `t`.
public Formula	getFormulaF()
public Term	getTermT()
public TermVariable	getTermVar()
public int	hashCode()
public int	hashCodeReplacedForm() Returns the hash code of the `Formula` obtained from this `LetFormula` by replacing every free occurence of its `TermVariable` `termVar` by its `Term` `t`.
public Formula	replaceFormVar(FormulaVariable formVar, Formula replacement)
public Formula	replaceTermVar(TermVariable tVar, Term replacement)
public String	toString()

Constructor Detail

LetFormula
public LetFormula(TermVariable tVar, Term t, Formula f)(Code)
	Creates a new `LetFormula` using the 'let'-construct. Parameters: tVar - the `TermVariable` which is to be semantically replaced Parameters: t - the `Term` which will be semantically inserted into f at every occurence of termVar Parameters: f - the `Formula` in which termVar will be semantically replaced by t throws: NullPointerException - if one of the specified arguments is `null` throws: IllegalArgumentException - if `termVar` is not contained in `f`

Method Detail

containsFormula
public boolean containsFormula(Formula form)(Code)
	Returns true if this `LetFormula` contains `form` as a subformula. In a 'let'-construct, the formula obtained by replacing every free occurence of its `TermVariable` `termVar` in its `Formula` `f` by its `Term` `t`, is checked for containing the specified `Formula` `form`. Parameters: form - the `Formula` be checked for containment in this `LetFormula` true if this `LetFormula` contains form

containsTerm
public boolean containsTerm(Term term)(Code)
	Returns true if this `LetFormula` contains the `Term` `term`. In a 'let'-construct, the formula obtained by replacing every free occurence of its `TermVariable` `termVar` in its `Formula` `f` by its `Term` `t`, is checked for containing the specified `Term` term. Parameters: term - the `Term` be checked for containment in this `LetFormula` true if this `LetFormula` contains `term`

equals
public boolean equals(Object o)(Code)

equalsReplacedForm
public boolean equalsReplacedForm(Formula form)(Code)
	Returns true if the specified `Formula` `form` equals the `Formula` obtained from this `LetFormula` by replacing every free occurence of its `TermVariable` `termVar` by its `Term` `t`. Parameters: form - the `Formula` to be compared with the replaced `Formula` ofthis `LetFormula` true if the specified `Formula` equals the replaced `Formula`of this `LetFormula`

getFormulaF
public Formula getFormulaF()(Code)
	Returns the `Formula` f of this `LetFormula` the `Formula` f of this `LetFormula`

getTermT
public Term getTermT()(Code)
	Returns the replacement term t of this `LetFormula` the term variable of this `LetFormula`

getTermVar
public TermVariable getTermVar()(Code)
	Returns the term variable of this `LetFormula` the term variable of this `LetFormula`

hashCode
public int hashCode()(Code)

hashCodeReplacedForm
public int hashCodeReplacedForm()(Code)
	Returns the hash code of the `Formula` obtained from this `LetFormula` by replacing every free occurence of its `TermVariable` `termVar` by its `Term` `t`. the hash code of the replaced `Formula` of this `LetFormula`

replaceFormVar
public Formula replaceFormVar(FormulaVariable formVar, Formula replacement)(Code)

replaceTermVar
public Formula replaceTermVar(TermVariable tVar, Term replacement)(Code)

toString
public String toString()(Code)

Methods inherited from de.uka.ilkd.key.proof.decproc.smtlib.Formula

public boolean containsFormula(Formula f)(Code)(Java Doc)
public boolean containsTerm(Term t)(Code)(Java Doc)
public boolean equals(Object o)(Code)(Java Doc)
final public String getOp()(Code)(Java Doc)
final public Formula[] getSubformulae()(Code)(Java Doc)
final public Term[] getSubterms()(Code)(Java Doc)
final public Vector getUIF()(Code)(Java Doc)
final public Vector getUIPredicates()(Code)(Java Doc)
public int hashCode()(Code)(Java Doc)
final protected static boolean isLegalIdentifier(String identifier)(Code)(Java Doc)
abstract public Formula replaceFormVar(FormulaVariable formVar, Formula replacement)(Code)(Java Doc)
abstract public Formula replaceTermVar(TermVariable termVar, Term replacement)(Code)(Java Doc)
abstract public String toString()(Code)(Java Doc)
final protected static Vector toVector(Object[] objects)(Code)(Java Doc)

Methods inherited from java.lang.Object

protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object o)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
public int hashCode()(Code)(Java Doc)
final public void notify() throws IllegalMonitorStateException(Code)(Java Doc)
final public void notifyAll() throws IllegalMonitorStateException(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final public void wait() throws IllegalMonitorStateException, InterruptedException(Code)(Java Doc)
final public void wait(long ms) throws IllegalMonitorStateException, InterruptedException(Code)(Java Doc)
final public void wait(long ms, int ns) throws IllegalMonitorStateException, InterruptedException(Code)(Java Doc)

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