gi
Class Lexicon.Expression

java.lang.Object
  gi.Lexicon.Expression

Direct Known Subclasses:

Lexicon.Alphabet, Lexicon.Concatenation, Lexicon.Repetition, Lexicon.Singleton, Lexicon.Union

Enclosing class:

Lexicon

protected abstract static class Lexicon.Expression

extends Object

This class implements an Expression expressing a regular language.

Version:

1.2

Author:

© 1999-2004 Craig A. Rich <carich@csupomona.edu>

Field Summary

(package private) Integer	f The final state of the NFA constructed from this Expression.
(package private) Integer	i The initial state of the NFA constructed from this Expression.

Constructor Summary

protected

Lexicon.Expression()

Method Summary

(package private) abstract Lexicon.Expression

copy() Creates a copy of this Expression, and replicates the NFA constructed from this Expression.

Methods inherited from class java.lang.Object

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

Field Detail

f

Integer f

The final state of the NFA constructed from this Expression.

i

Integer i

The initial state of the NFA constructed from this Expression.

Constructor Detail

Lexicon.Expression

protected Lexicon.Expression()

Method Detail

copy

abstract Lexicon.Expression copy()

Creates a copy of this Expression, and replicates the NFA constructed from this Expression.

Returns:

a copy of this Expression.