org.antlr.v4.runtime.dfa.DFA Java Examples

private DFA[] getDFA() {
    DFA[] result = new DFA[_ATN.getNumberOfDecisions()];
    for (int i = 0; i < _ATN.getNumberOfDecisions(); i++) {
        result[i] = new DFA(_ATN.getDecisionState(i), i);
    }
    return result;
}
 

private static DFA[] createDecisionToDFA(ATN atn)
{
    DFA[] decisionToDFA = new DFA[atn.getNumberOfDecisions()];
    for (int i = 0; i < decisionToDFA.length; i++) {
        decisionToDFA[i] = new DFA(atn.getDecisionState(i), i);
    }
    return decisionToDFA;
}
 

@Override
public void reportAmbiguity(Parser recognizer, DFA dfa, int startIndex, int stopIndex, boolean exact, BitSet ambigAlts, ATNConfigSet configs) {
    String input = recognizer.getInputStream().getText(new Interval(startIndex, stopIndex));
    String warning = String.format("FULL AMBIGUITY: %d-%d, exact: %b, input: %s", startIndex, stopIndex, exact, input);
    logger.debug(warning);
    errors.addWarning(warning);
}
 

@Override
default void reportContextSensitivity(
    Parser recognizer,
    DFA dfa,
    int startIndex,
    int stopIndex,
    int prediction,
    ATNConfigSet configs) {
    // Ignore this always.
}
 

@Override
default void reportAttemptingFullContext(
    Parser recognizer,
    DFA dfa,
    int startIndex,
    int stopIndex,
    BitSet conflictingAlts,
    ATNConfigSet configs) {
    // Ignore this always.
}
 

@Override
public void reportAmbiguity(
    Parser recognizer,
    DFA dfa,
    int startIndex,
    int stopIndex,
    boolean exact,
    BitSet ambigAlts,
    ATNConfigSet configs) {
    hasAmbiguity = true;
    ambiguityCount++;
}
 

@Override
default void reportAmbiguity(
    Parser recognizer,
    DFA dfa,
    int startIndex,
    int stopIndex,
    boolean exact,
    BitSet ambigAlts,
    ATNConfigSet configs) {
    // Ignore this always.
}
 

@Override
public void reportAttemptingFullContext(Parser arg0, DFA arg1, int arg2, int arg3, BitSet arg4, ATNConfigSet arg5) {
	// Nothing to do
}
 

@Override
public void reportContextSensitivity(Parser recognizer, DFA dfa, int startIndex, int stopIndex, int prediction, ATNConfigSet configs) {
}
 

@Override
public void reportAmbiguity(@NotNull Parser parser, @NotNull DFA dfa, int i, int i2, boolean b, @Nullable BitSet bitSet, @NotNull ATNConfigSet atnConfigs) {
    throw new IllegalArgumentException("ambiguity");
}
 

@Override
public void reportContextSensitivity(Parser parser, DFA dfa, int i, int i1, int i2, ATNConfigSet atnConfigSet) {
    log.error("CSSErrorListener context sensitivity | ");
}
 

@Override
public void reportContextSensitivity(Parser arg0, DFA arg1, int arg2, int arg3, int arg4, ATNConfigSet arg5) {
	// Nothing to do
}
 

@Override
public void reportContextSensitivity(Parser recognizer, DFA dfa, int startIndex, int stopIndex, int prediction, ATNConfigSet configs) {
    error = true;
    errorMsg = "Context Sensitivity error";
}
 

@Override
public void reportAmbiguity(Parser arg0, DFA arg1, int arg2, int arg3, boolean arg4, BitSet arg5, ATNConfigSet arg6) {
	// Nothing to do
}
 

@Override
public void reportContextSensitivity(org.antlr.v4.runtime.Parser parser, DFA dfa, int i, int i1, int i2, ATNConfigSet atnConfigSet) {
    // Ignoring this Antlr4 event
}
 

@Override
public void reportAttemptingFullContext(org.antlr.v4.runtime.Parser parser, DFA dfa, int i, int i1, BitSet bitSet, ATNConfigSet atnConfigSet) {
    // Ignoring this Antlr4 event
}
 

@Override
public void reportAmbiguity(org.antlr.v4.runtime.Parser parser, DFA dfa, int i, int i1, boolean b, BitSet bitSet, ATNConfigSet atnConfigSet) {
    // Ignoring this Antlr4 event
}
 

public PositionAdjustingLexerATNSimulator(Lexer recog, ATN atn, DFA[] decisionToDFA, PredictionContextCache sharedContextCache) {
    super(recog, atn, decisionToDFA, sharedContextCache);
}
 

@Override
public void reportAmbiguity(
    Parser arg0, DFA arg1, int arg2, int arg3, boolean arg4, BitSet arg5, ATNConfigSet arg6) {}
 

@Override
public void reportAttemptingFullContext(Parser recognizer, DFA dfa, int startIndex, int stopIndex, BitSet conflictingAlts, ATNConfigSet configs) {
}
 

@Override
public void reportAmbiguity(Parser recognizer, DFA dfa, int startIndex, int stopIndex, boolean exact, BitSet ambigAlts, ATNConfigSet configs) {
}
 

@Override
public void reportContextSensitivity(Parser recognizer, DFA dfa, int startIndex, int stopIndex, int prediction,
		ATNConfigSet configs) {
	
}
 

@Override
public void reportAttemptingFullContext(Parser recognizer, DFA dfa, int startIndex, int stopIndex, BitSet conflictingAlts, ATNConfigSet configs) {
    error = true;
    errorMsg = "Attempting Full Context error";
}
 

@Override
public void reportAmbiguity(Parser recognizer, DFA dfa, int startIndex, int stopIndex, boolean exact, BitSet ambigAlts, ATNConfigSet configs) {
    error = true;
    errorMsg = "Ambiguity error";
}
 

@Override
public void reportContextSensitivity(Parser recognizer, DFA dfa, int startIndex, int stopIndex, int prediction, ATNConfigSet configs) {
    logger.debug("CONTEXT SENSITIVITY: {}-{}, prediction: {}", startIndex, stopIndex, prediction);
}
 

@Override
public void reportAttemptingFullContext(Parser recognizer, DFA dfa, int startIndex, int stopIndex, BitSet conflictingAlts, ATNConfigSet configs) {
    String input = recognizer.getInputStream().getText(new Interval(startIndex, stopIndex));
    logger.debug("FULL CONTEXT: {}-{}, alts: {}, {}", startIndex, stopIndex, conflictingAlts, input);
}
 

@Override
public void reportContextSensitivity(Parser recognizer, DFA dfa, int startIndex, int stopIndex, int prediction,
		ATNConfigSet configs) {
	
}
 

@Override
public void reportAttemptingFullContext(Parser recognizer, DFA dfa, int startIndex, int stopIndex,
		BitSet conflictingAlts, ATNConfigSet configs) {
	
}
 

@Override
public void reportAmbiguity(Parser recognizer, DFA dfa, int startIndex, int stopIndex, boolean exact,
		BitSet ambigAlts, ATNConfigSet configs) {
	
}
 

@Override
public void reportAttemptingFullContext(Parser recognizer, DFA dfa, int startIndex, int stopIndex,
		BitSet conflictingAlts, ATNConfigSet configs) {
	
}