org.antlr.v4.runtime.dfa

Class DFA

java.lang.Object

org.antlr.v4.runtime.dfa.DFA

public class DFA
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
DecisionState	atnStartState From which ATN state did we create this DFA?
int	decision
DFAState	s0
Map<DFAState,DFAState>	states A set of all DFA states.

Constructor Summary

Constructors

Constructor and Description
DFA(DecisionState atnStartState)
DFA(DecisionState atnStartState, int decision)

Method Summary

Methods

Modifier and Type	Method and Description
List<DFAState>	getStates() Return a list of all states in this DFA, ordered by state number.
String	toLexerString()
String	toString()
String	toString(String[] tokenNames)

Methods inherited from class java.lang.Object

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

Field Detail

states

@NotNull
public final Map<DFAState,DFAState> states

A set of all DFA states. Use Map so we can get old state back (Set only allows you to see if it's there).

s0

@Nullable
public DFAState s0

decision

public final int decision

atnStartState

@NotNull
public final DecisionState atnStartState

From which ATN state did we create this DFA?

Constructor Detail

DFA

public DFA(@NotNull
   DecisionState atnStartState)

DFA

public DFA(@NotNull
   DecisionState atnStartState,
   int decision)

Method Detail

getStates

@NotNull
public List<DFAState> getStates()

Return a list of all states in this DFA, ordered by state number.

toString

public String toString()

Overrides:

toString in class Object

toString

public String toString(@Nullable
              String[] tokenNames)

toLexerString

public String toLexerString()