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

abstract static class Lexicon.Expression

extends Object

This class implements an Expression denoting a regular language.

Version:

1.0

Author:

© 1999-2000 Craig A. Rich <carich@acm.org>

Field Summary

(package private) Integer	accept The accept state of the NFA recognizing the language denoted by this Expression.
(package private) Integer	initial The initial state of the NFA recognizing the language denoted by this Expression.

Constructor Summary

(package private)

Lexicon.Expression()

Method Summary

(package private) abstract Lexicon.Expression

copy() Creates a copy of this Expression.

Methods inherited from class java.lang.Object

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

Field Detail

accept

Integer accept

The accept state of the NFA recognizing the language denoted by this Expression.

initial

Integer initial

The initial state of the NFA recognizing the language denoted by this Expression.

Constructor Detail

Lexicon.Expression

Lexicon.Expression()

Method Detail

copy

abstract Lexicon.Expression copy()

Creates a copy of this Expression. The NFA recognizing the language denoted by this Expression is replicated.

Returns:

a copy of this Expression.