public Class NFA

Class Inheritance

extends Object

java.lang.Object
org.antlr.analysis.NFA

Imports

An NFA (collection of NFAStates) constructed from a grammar. This NFA is one big machine for entire grammar. Decision points are recorded by the Grammar object so we can, for example, convert to DFA or simulate the NFA (interpret a decision).

Field Summary

Modifier and Type	Field and Description
public boolean	complete
protected NFAFactory	factory Which factory created this NFA?
public Grammar	grammar This NFA represents which grammar?
public static final int	INVALID_ALT_NUMBER

Constructor Summary

Access	Constructor and Description
public	NFA(Grammar g)

Method Summary

Modifier and Type	Method and Description
public void	addState(NFAState state)
public NFAFactory	getFactory()
public int	getNewNFAStateNumber()
public NFAState	getState(int s)
public void	setFactory(NFAFactory factory)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

complete	back to summary
public boolean complete

factory	back to summary
protected NFAFactory factory Which factory created this NFA?

grammar	back to summary
public Grammar grammar This NFA represents which grammar?

INVALID_ALT_NUMBER	back to summary
public static final int INVALID_ALT_NUMBER

Constructor Detail

NFA	back to summary
public NFA(Grammar g)

Method Detail

addState	back to summary
public void addState(NFAState state)

getFactory	back to summary
public NFAFactory getFactory()

getNewNFAStateNumber	back to summary
public int getNewNFAStateNumber()

getState	back to summary
public NFAState getState(int s)

setFactory	back to summary
public void setFactory(NFAFactory factory)