org.sosy_lab.solver.visitors

Class DefaultBooleanFormulaVisitor<R>

java.lang.Object

org.sosy_lab.solver.visitors.DefaultBooleanFormulaVisitor<R>

Type Parameters:

R - Return type for each traversal operation.

All Implemented Interfaces:

BooleanFormulaVisitor<R>

public abstract class DefaultBooleanFormulaVisitor<R>
extends Object
implements BooleanFormulaVisitor<R>

A formula visitor which allows for the default implementation.

Constructor Summary

Constructors

Constructor and Description
DefaultBooleanFormulaVisitor()

Method Summary

Modifier and Type	Method and Description
R	visitAnd(List<BooleanFormula> pOperands) Visit an AND-expression.
R	visitAtom(BooleanFormula pAtom, FunctionDeclaration<BooleanFormula> decl) Visit an SMT atom.
R	visitBoundVar(BooleanFormula var, int deBruijnIdx) Visit a boolean variable bound by a quantifier.
R	visitConstant(boolean value) Visit a constant with a given value.
protected abstract R	visitDefault()
R	visitEquivalence(BooleanFormula pOperand1, BooleanFormula pOperand2) Visit an equivalence between two formulas of boolean sort: operand1 = operand2
R	visitIfThenElse(BooleanFormula pCondition, BooleanFormula pThenFormula, BooleanFormula pElseFormula) Visit an if-then-else expression.
R	visitImplication(BooleanFormula pOperand1, BooleanFormula pOperand2) Visit an implication.
R	visitNot(BooleanFormula pOperand) Visit a NOT-expression.
R	visitOr(List<BooleanFormula> pOperands) Visit an OR-expression.
R	visitQuantifier(QuantifiedFormulaManager.Quantifier quantifier, BooleanFormula quantifiedAST, List<Formula> boundVars, BooleanFormula body) Visit a quantifier: forall- or exists-.
R	visitXor(BooleanFormula operand1, BooleanFormula operand2) Visit a XOR-expression.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultBooleanFormulaVisitor

public DefaultBooleanFormulaVisitor()

Method Detail

visitDefault

protected abstract R visitDefault()

visitConstant

public R visitConstant(boolean value)

Description copied from interface: BooleanFormulaVisitor

Visit a constant with a given value.

Specified by:

visitConstant in interface BooleanFormulaVisitor<R>

See Also:

BooleanFormulaManager.makeBoolean(boolean)

visitBoundVar

public R visitBoundVar(BooleanFormula var,
                       int deBruijnIdx)

Description copied from interface: BooleanFormulaVisitor

Visit a boolean variable bound by a quantifier.

Specified by:

visitBoundVar in interface BooleanFormulaVisitor<R>

visitAtom

public R visitAtom(BooleanFormula pAtom,
                   FunctionDeclaration<BooleanFormula> decl)

Description copied from interface: BooleanFormulaVisitor

Visit an SMT atom. An atom can be a theory expression, constant, or a variable.

This is anything with a boolean sort which is not covered by the cases above.

Specified by:

visitAtom in interface BooleanFormulaVisitor<R>

visitNot

public R visitNot(BooleanFormula pOperand)

Description copied from interface: BooleanFormulaVisitor

Visit a NOT-expression.

Specified by:

visitNot in interface BooleanFormulaVisitor<R>

Parameters:

pOperand - Negated term.

See Also:

BooleanFormulaManager.not(org.sosy_lab.solver.api.BooleanFormula)

visitAnd

public R visitAnd(List<BooleanFormula> pOperands)

Description copied from interface: BooleanFormulaVisitor

Visit an AND-expression.

Specified by:

visitAnd in interface BooleanFormulaVisitor<R>

See Also:

BooleanFormulaManager.and(org.sosy_lab.solver.api.BooleanFormula, org.sosy_lab.solver.api.BooleanFormula)

visitOr

public R visitOr(List<BooleanFormula> pOperands)

Description copied from interface: BooleanFormulaVisitor

Visit an OR-expression.

Specified by:

visitOr in interface BooleanFormulaVisitor<R>

See Also:

BooleanFormulaManager.or(org.sosy_lab.solver.api.BooleanFormula, org.sosy_lab.solver.api.BooleanFormula)

visitXor

public R visitXor(BooleanFormula operand1,
                  BooleanFormula operand2)

Description copied from interface: BooleanFormulaVisitor

Visit a XOR-expression.

Specified by:

visitXor in interface BooleanFormulaVisitor<R>

See Also:

BooleanFormulaManager.xor(org.sosy_lab.solver.api.BooleanFormula, org.sosy_lab.solver.api.BooleanFormula)

visitEquivalence

public R visitEquivalence(BooleanFormula pOperand1,
                          BooleanFormula pOperand2)

Description copied from interface: BooleanFormulaVisitor

Visit an equivalence between two formulas of boolean sort: operand1 = operand2

Specified by:

visitEquivalence in interface BooleanFormulaVisitor<R>

See Also:

BooleanFormulaManager.equivalence(org.sosy_lab.solver.api.BooleanFormula, org.sosy_lab.solver.api.BooleanFormula)

visitImplication

public R visitImplication(BooleanFormula pOperand1,
                          BooleanFormula pOperand2)

Description copied from interface: BooleanFormulaVisitor

Visit an implication.

Specified by:

visitImplication in interface BooleanFormulaVisitor<R>

See Also:

BooleanFormulaManager.implication(org.sosy_lab.solver.api.BooleanFormula, org.sosy_lab.solver.api.BooleanFormula)

visitIfThenElse

public R visitIfThenElse(BooleanFormula pCondition,
                         BooleanFormula pThenFormula,
                         BooleanFormula pElseFormula)

Description copied from interface: BooleanFormulaVisitor

Visit an if-then-else expression.

Specified by:

visitIfThenElse in interface BooleanFormulaVisitor<R>

See Also:

BooleanFormulaManager.ifThenElse(org.sosy_lab.solver.api.BooleanFormula, T, T)

visitQuantifier

public R visitQuantifier(QuantifiedFormulaManager.Quantifier quantifier,
                         BooleanFormula quantifiedAST,
                         List<Formula> boundVars,
                         BooleanFormula body)

Description copied from interface: BooleanFormulaVisitor

Visit a quantifier: forall- or exists-.

Specified by:

visitQuantifier in interface BooleanFormulaVisitor<R>

Parameters:

quantifier - Quantifier type: FORALL- or EXISTS-

quantifiedAST - AST of the quantified node. Provided because it is difficult to re-create from the parameters.

boundVars - Variables bound by this quantifier.

body - Body of the quantified expression.

See Also:

QuantifiedFormulaManager.mkQuantifier(org.sosy_lab.solver.api.QuantifiedFormulaManager.Quantifier, java.util.List<? extends org.sosy_lab.solver.api.Formula>, org.sosy_lab.solver.api.BooleanFormula), QuantifiedFormulaManager.forall(java.util.List<? extends org.sosy_lab.solver.api.Formula>, org.sosy_lab.solver.api.BooleanFormula), QuantifiedFormulaManager.exists(java.util.List<? extends org.sosy_lab.solver.api.Formula>, org.sosy_lab.solver.api.BooleanFormula)