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1
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2
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package demo;
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3
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import org.antlr.v4.runtime.Lexer;
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4
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import org.antlr.v4.runtime.CharStream;
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5
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import org.antlr.v4.runtime.Token;
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import org.antlr.v4.runtime.TokenStream;
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import org.antlr.v4.runtime.*;
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import org.antlr.v4.runtime.atn.*;
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import org.antlr.v4.runtime.dfa.DFA;
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10
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import org.antlr.v4.runtime.misc.*;
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11
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@SuppressWarnings({"all", "warnings", "unchecked", "unused", "cast", "CheckReturnValue", "this-escape"})
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public class DemoLexer extends Lexer {
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static { RuntimeMetaData.checkVersion("4.13.2", RuntimeMetaData.VERSION); }
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protected static final DFA[] _decisionToDFA;
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protected static final PredictionContextCache _sharedContextCache =
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new PredictionContextCache();
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public static final int
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NUM=1, WS=2;
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public static String[] channelNames = {
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"DEFAULT_TOKEN_CHANNEL", "HIDDEN"
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};
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public static String[] modeNames = {
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"DEFAULT_MODE"
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};
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private static String[] makeRuleNames() {
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return new String[] {
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"NUM", "DIGIT", "WS"
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};
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}
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public static final String[] ruleNames = makeRuleNames();
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35
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private static String[] makeLiteralNames() {
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return new String[] {
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};
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}
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private static final String[] _LITERAL_NAMES = makeLiteralNames();
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private static String[] makeSymbolicNames() {
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return new String[] {
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null, "NUM", "WS"
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};
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}
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private static final String[] _SYMBOLIC_NAMES = makeSymbolicNames();
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public static final Vocabulary VOCABULARY = new VocabularyImpl(_LITERAL_NAMES, _SYMBOLIC_NAMES);
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48
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50
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@Deprecated
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public static final String[] tokenNames;
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static {
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tokenNames = new String[_SYMBOLIC_NAMES.length];
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for (int i = 0; i < tokenNames.length; i++) {
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tokenNames[i] = VOCABULARY.getLiteralName(i);
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if (tokenNames[i] == null) {
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tokenNames[i] = VOCABULARY.getSymbolicName(i);
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}
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if (tokenNames[i] == null) {
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tokenNames[i] = "<INVALID>";
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}
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}
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}
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@Override
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@Deprecated
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public String[] getTokenNames() {
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return tokenNames;
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}
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@Override
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public Vocabulary getVocabulary() {
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return VOCABULARY;
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}
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int count = 0;
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82
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public DemoLexer(CharStream input) {
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super(input);
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_interp = new LexerATNSimulator(this,_ATN,_decisionToDFA,_sharedContextCache);
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}
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@Override
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public String getGrammarFileName() { return "DemoLexer.g4"; }
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91
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@Override
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public String[] getRuleNames() { return ruleNames; }
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@Override
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public String getSerializedATN() { return _serializedATN; }
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@Override
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public String[] getChannelNames() { return channelNames; }
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@Override
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public String[] getModeNames() { return modeNames; }
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103
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@Override
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public ATN getATN() { return _ATN; }
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@Override
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public void action(RuleContext _localctx, int ruleIndex, int actionIndex) {
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switch (ruleIndex) {
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case 0:
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NUM_action((RuleContext)_localctx, actionIndex);
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break;
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}
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}
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private void NUM_action(RuleContext _localctx, int actionIndex) {
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switch (actionIndex) {
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case 0:
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count++; System.out.println("inc count (int) = " + count);
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break;
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case 1:
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count++; System.out.println("inc count (frac) = " + count);
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break;
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case 2:
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124
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System.out.println("ALT1 chosen, final count = " + count);
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126
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break;
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case 3:
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count++; System.out.println("inc count (frac) = " + count);
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break;
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case 4:
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System.out.println("ALT2 chosen, final count = " + count);
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134
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break;
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case 5:
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137
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System.out.println("END NUM, count = " + count);
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count = 0;
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140
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break;
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}
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}
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@Override
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public boolean sempred(RuleContext _localctx, int ruleIndex, int predIndex) {
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switch (ruleIndex) {
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case 0:
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return NUM_sempred((RuleContext)_localctx, predIndex);
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}
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return true;
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}
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private boolean NUM_sempred(RuleContext _localctx, int predIndex) {
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153
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switch (predIndex) {
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154
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case 0:
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return count < 2;
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156
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}
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return true;
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158
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}
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159
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160
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public static final String _serializedATN =
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"\u0004\u0000\u00020\u0006\uffff\uffff\u0002\u0000\u0007\u0000\u0002\u0001"+
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162
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"\u0007\u0001\u0002\u0002\u0007\u0002\u0001\u0000\u0001\u0000\u0001\u0000"+
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"\u0004\u0000\u000b\b\u0000\u000b\u0000\f\u0000\f\u0001\u0000\u0001\u0000"+
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164
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"\u0001\u0000\u0001\u0000\u0001\u0000\u0004\u0000\u0014\b\u0000\u000b\u0000"+
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"\f\u0000\u0015\u0001\u0000\u0001\u0000\u0001\u0000\u0001\u0000\u0001\u0000"+
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"\u0001\u0000\u0004\u0000\u001e\b\u0000\u000b\u0000\f\u0000\u001f\u0001"+
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"\u0000\u0001\u0000\u0003\u0000$\b\u0000\u0001\u0000\u0001\u0000\u0001"+
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168
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"\u0001\u0001\u0001\u0001\u0002\u0004\u0002+\b\u0002\u000b\u0002\f\u0002"+
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",\u0001\u0002\u0001\u0002\u0000\u0000\u0003\u0001\u0001\u0003\u0000\u0005"+
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"\u0002\u0001\u0000\u0002\u0001\u000009\u0003\u0000\t\n\r\r 3\u0000\u0001"+
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"\u0001\u0000\u0000\u0000\u0000\u0005\u0001\u0000\u0000\u0000\u0001\n\u0001"+
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"\u0000\u0000\u0000\u0003\'\u0001\u0000\u0000\u0000\u0005*\u0001\u0000"+
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"\u0000\u0000\u0007\b\u0003\u0003\u0001\u0000\b\t\u0006\u0000\u0000\u0000"+
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"\t\u000b\u0001\u0000\u0000\u0000\n\u0007\u0001\u0000\u0000\u0000\u000b"+
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"\f\u0001\u0000\u0000\u0000\f\n\u0001\u0000\u0000\u0000\f\r\u0001\u0000"+
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"\u0000\u0000\r#\u0001\u0000\u0000\u0000\u000e\u000f\u0004\u0000\u0000"+
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177
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"\u0000\u000f\u0013\u0005.\u0000\u0000\u0010\u0011\u0003\u0003\u0001\u0000"+
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178
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"\u0011\u0012\u0006\u0000\u0001\u0000\u0012\u0014\u0001\u0000\u0000\u0000"+
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"\u0013\u0010\u0001\u0000\u0000\u0000\u0014\u0015\u0001\u0000\u0000\u0000"+
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"\u0015\u0013\u0001\u0000\u0000\u0000\u0015\u0016\u0001\u0000\u0000\u0000"+
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"\u0016\u0017\u0001\u0000\u0000\u0000\u0017\u0018\u0006\u0000\u0002\u0000"+
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"\u0018$\u0001\u0000\u0000\u0000\u0019\u001d\u0005.\u0000\u0000\u001a\u001b"+
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183
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"\u0003\u0003\u0001\u0000\u001b\u001c\u0006\u0000\u0003\u0000\u001c\u001e"+
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184
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"\u0001\u0000\u0000\u0000\u001d\u001a\u0001\u0000\u0000\u0000\u001e\u001f"+
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185
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"\u0001\u0000\u0000\u0000\u001f\u001d\u0001\u0000\u0000\u0000\u001f \u0001"+
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186
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"\u0000\u0000\u0000 !\u0001\u0000\u0000\u0000!\"\u0006\u0000\u0004\u0000"+
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187
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"\"$\u0001\u0000\u0000\u0000#\u000e\u0001\u0000\u0000\u0000#\u0019\u0001"+
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188
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"\u0000\u0000\u0000$%\u0001\u0000\u0000\u0000%&\u0006\u0000\u0005\u0000"+
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189
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"&\u0002\u0001\u0000\u0000\u0000\'(\u0007\u0000\u0000\u0000(\u0004\u0001"+
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190
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"\u0000\u0000\u0000)+\u0007\u0001\u0000\u0000*)\u0001\u0000\u0000\u0000"+
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191
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"+,\u0001\u0000\u0000\u0000,*\u0001\u0000\u0000\u0000,-\u0001\u0000\u0000"+
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192
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"\u0000-.\u0001\u0000\u0000\u0000./\u0006\u0002\u0006\u0000/\u0006\u0001"+
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193
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"\u0000\u0000\u0000\u0006\u0000\f\u0015\u001f#,\u0007\u0001\u0000\u0000"+
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194
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"\u0001\u0000\u0001\u0001\u0000\u0002\u0001\u0000\u0003\u0001\u0000\u0004"+
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195
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"\u0001\u0000\u0005\u0006\u0000\u0000";
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196
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public static final ATN _ATN =
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197
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new ATNDeserializer().deserialize(_serializedATN.toCharArray());
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198
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static {
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199
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_decisionToDFA = new DFA[_ATN.getNumberOfDecisions()];
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200
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for (int i = 0; i < _ATN.getNumberOfDecisions(); i++) {
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201
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_decisionToDFA[i] = new DFA(_ATN.getDecisionState(i), i);
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202
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}
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203
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}
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204
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}
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