JFlex
Class LexicalStates

java.lang.Object
  JFlex.LexicalStates

public class LexicalStates
extends java.lang.Object

Simple symbol table, mapping lexical state names to integers.

Version:

JFlex 1.4.1, $Revision: 2.2 $, $Date: 2004/11/06 23:03:32 $

Author:

Gerwin Klein

Field Summary

(package private) java.util.Vector	inclusive codes of inclusive states (subset of states)
(package private) int	numStates number of declared states
(package private) java.util.Hashtable	states maps state name to state number

Constructor Summary

LexicalStates()
constructs a new lexical state symbol table

Method Summary

java.util.Enumeration	getInclusiveStates() returns the code of all inclusive states
java.lang.Integer	getNumber(java.lang.String name) returns the number (code) of a declared state, null if no such state has been declared.
void	insert(java.lang.String name, boolean is_inclusive) insert a new state declaration
java.util.Enumeration	names() returns the names of all states
int	number() returns the number of declared states

Methods inherited from class java.lang.Object

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

Field Detail

states

java.util.Hashtable states

maps state name to state number

inclusive

java.util.Vector inclusive

codes of inclusive states (subset of states)

numStates

int numStates

number of declared states

Constructor Detail

LexicalStates

public LexicalStates()

constructs a new lexical state symbol table

Method Detail

insert

public void insert(java.lang.String name,
                   boolean is_inclusive)

insert a new state declaration

getNumber

public java.lang.Integer getNumber(java.lang.String name)

returns the number (code) of a declared state, null if no such state has been declared.

number

public int number()

returns the number of declared states

names

public java.util.Enumeration names()

returns the names of all states

getInclusiveStates

public java.util.Enumeration getInclusiveStates()

returns the code of all inclusive states