Package org.antlr.analysis

Class State

java.lang.Object

org.antlr.analysis.State

Direct Known Subclasses:

DFAState, NFAState

public abstract class State
extends java.lang.Object

A generic state machine state.

Field Summary

Fields

Modifier and Type	Field	Description
protected boolean	acceptState	An accept state is an end of rule state for lexers and parser grammar rules.
static int	INVALID_STATE_NUMBER
int	stateNumber

Constructor Summary

Constructors

Constructor	Description
State()

Method Summary

Modifier and Type	Method	Description
abstract void	addTransition(Transition e)
abstract int	getNumberOfTransitions()
boolean	isAcceptState()
void	setAcceptState(boolean acceptState)
abstract Transition	transition(int i)

Methods inherited from class java.lang.Object

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

Field Detail

INVALID_STATE_NUMBER

public static final int INVALID_STATE_NUMBER

See Also:

Constant Field Values

stateNumber

public int stateNumber

acceptState

protected boolean acceptState

An accept state is an end of rule state for lexers and parser grammar rules.

Constructor Detail

State

public State()

Method Detail

getNumberOfTransitions

public abstract int getNumberOfTransitions()

addTransition

public abstract void addTransition(Transition e)

transition

public abstract Transition transition(int i)

isAcceptState

public boolean isAcceptState()

setAcceptState

public void setAcceptState(boolean acceptState)