org.antlr.tool
public class FASerializer extends java.lang.Object
Modifier and Type | Field and Description |
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protected Grammar |
grammar |
protected java.util.Set |
markedStates
To prevent infinite recursion when walking state machines, record
which states we've visited.
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protected int |
stateCounter
Each state we walk will get a new state number for serialization
purposes.
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protected java.util.Map |
stateNumberTranslator
Rather than add a new instance variable to NFA and DFA just for
serializing machines, map old state numbers to new state numbers
by a State object -> Integer new state number HashMap.
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Constructor and Description |
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FASerializer(Grammar grammar)
This aspect is associated with a grammar; used to get token names
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Modifier and Type | Method and Description |
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java.lang.String |
serialize(State s) |
java.lang.String |
serialize(State s,
boolean renumber)
Return a string representation of a state machine.
|
protected void |
walkFANormalizingStateNumbers(State s)
In stateNumberTranslator, get a map from State to new, normalized
state number.
|
protected void |
walkSerializingFA(java.util.List lines,
State s) |
protected java.util.Set markedStates
protected int stateCounter
protected java.util.Map stateNumberTranslator
protected Grammar grammar
public FASerializer(Grammar grammar)
public java.lang.String serialize(State s)
public java.lang.String serialize(State s, boolean renumber)
protected void walkFANormalizingStateNumbers(State s)
protected void walkSerializingFA(java.util.List lines, State s)
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