exp
Class NumSexp

java.lang.Object
  |
  +--exp.Sexp
        |
        +--exp.AtomSexp
              |
              +--exp.NumSexp

Direct Known Subclasses:

DoubleSexp, IntSexp

public abstract class NumSexp

extends AtomSexp

NumSexp Classe astratta per i numeri (interi e reali)

Version:

7/12/1999

Author:

Marco Chiesi

Fields inherited from class exp.Sexp

EOF, FALSE, NIL, TRUE

Constructor Summary

NumSexp()

Method Summary

void	accept(SexpVisitor v) Specifica del visitor
Sexp	applyOpDouble(double v1, double v2, java.lang.String op) Applicazione di un operatore a numeri double
abstract Sexp	applyOperator(NumSexp v, java.lang.String op)
Sexp	applyOpInteger(int v1, int v2, java.lang.String op) Applicazione di un operatore a numeri interi
abstract double	getVal() Metodi astratti
abstract double	getValDouble()
abstract int	getValInt()
boolean	isEq(Sexp e) Controlla l'uguaglianza tra espressioni
boolean	isNull() Metodi implementati di Sexp

Methods inherited from class exp.AtomSexp

car, cdr, isAtom, isList

Methods inherited from class exp.Sexp

accept2, append, assoc, atom, caar, cadr, car, cdar, cddr, cdr, cons, dup, eq, isAnAtom, isAtom, isEq, isList, isNull, isPair, length, list1, list2, list3, list4, list5, listArray, member, pairList, selfEvaluating, toSimpleString, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

NumSexp

public NumSexp()

Method Detail

getVal

public abstract double getVal()

Metodi astratti

getValInt

public abstract int getValInt()

getValDouble

public abstract double getValDouble()

applyOperator

public abstract Sexp applyOperator(NumSexp v,
                                   java.lang.String op)

isNull

public boolean isNull()

Metodi implementati di Sexp

Overrides:

isNull in class Sexp

isEq

public boolean isEq(Sexp e)

Description copied from class: Sexp

Controlla l'uguaglianza tra espressioni

Overrides:

isEq in class Sexp

accept

public void accept(SexpVisitor v)

Specifica del visitor

Overrides:

accept in class Sexp

applyOpInteger

public Sexp applyOpInteger(int v1,
                           int v2,
                           java.lang.String op)

Applicazione di un operatore a numeri interi

applyOpDouble

public Sexp applyOpDouble(double v1,
                          double v2,
                          java.lang.String op)

Applicazione di un operatore a numeri double