// Generated from Hello.g4 by ANTLR 4.13.2
import org.antlr.v4.runtime.atn.*;
import org.antlr.v4.runtime.dfa.DFA;
import org.antlr.v4.runtime.*;
import org.antlr.v4.runtime.misc.*;
import org.antlr.v4.runtime.tree.*;
import java.util.List;
import java.util.Iterator;
import java.util.ArrayList;

@SuppressWarnings({"all", "warnings", "unchecked", "unused", "cast", "CheckReturnValue", "this-escape"})
public class HelloParser extends Parser {
	static { RuntimeMetaData.checkVersion("4.13.2", RuntimeMetaData.VERSION); }

	protected static final DFA[] _decisionToDFA;
	protected static final PredictionContextCache _sharedContextCache =
		new PredictionContextCache();
	public static final int
		T__0=1, T__1=2, ID=3, WS=4;
	public static final int
		RULE_greeting = 0, RULE_greet = 1, RULE_start = 2;
	private static String[] makeRuleNames() {
		return new String[] {
			"greeting", "greet", "start"
		};
	}
	public static final String[] ruleNames = makeRuleNames();

	private static String[] makeLiteralNames() {
		return new String[] {
			null, "'hello'", "'hi'"
		};
	}
	private static final String[] _LITERAL_NAMES = makeLiteralNames();
	private static String[] makeSymbolicNames() {
		return new String[] {
			null, null, null, "ID", "WS"
		};
	}
	private static final String[] _SYMBOLIC_NAMES = makeSymbolicNames();
	public static final Vocabulary VOCABULARY = new VocabularyImpl(_LITERAL_NAMES, _SYMBOLIC_NAMES);

	/**
	 * @deprecated Use {@link #VOCABULARY} instead.
	 */
	@Deprecated
	public static final String[] tokenNames;
	static {
		tokenNames = new String[_SYMBOLIC_NAMES.length];
		for (int i = 0; i < tokenNames.length; i++) {
			tokenNames[i] = VOCABULARY.getLiteralName(i);
			if (tokenNames[i] == null) {
				tokenNames[i] = VOCABULARY.getSymbolicName(i);
			}

			if (tokenNames[i] == null) {
				tokenNames[i] = "<INVALID>";
			}
		}
	}

	@Override
	@Deprecated
	public String[] getTokenNames() {
		return tokenNames;
	}

	@Override

	public Vocabulary getVocabulary() {
		return VOCABULARY;
	}

	@Override
	public String getGrammarFileName() { return "Hello.g4"; }

	@Override
	public String[] getRuleNames() { return ruleNames; }

	@Override
	public String getSerializedATN() { return _serializedATN; }

	@Override
	public ATN getATN() { return _ATN; }

	public HelloParser(TokenStream input) {
		super(input);
		_interp = new ParserATNSimulator(this,_ATN,_decisionToDFA,_sharedContextCache);
	}

	@SuppressWarnings("CheckReturnValue")
	public static class GreetingContext extends ParserRuleContext {
		public List<GreetContext> greet() {
			return getRuleContexts(GreetContext.class);
		}
		public GreetContext greet(int i) {
			return getRuleContext(GreetContext.class,i);
		}
		public GreetingContext(ParserRuleContext parent, int invokingState) {
			super(parent, invokingState);
		}
		@Override public int getRuleIndex() { return RULE_greeting; }
		@Override
		public void enterRule(ParseTreeListener listener) {
			if ( listener instanceof HelloListener ) ((HelloListener)listener).enterGreeting(this);
		}
		@Override
		public void exitRule(ParseTreeListener listener) {
			if ( listener instanceof HelloListener ) ((HelloListener)listener).exitGreeting(this);
		}
	}

	public final GreetingContext greeting() throws RecognitionException {
		GreetingContext _localctx = new GreetingContext(_ctx, getState());
		enterRule(_localctx, 0, RULE_greeting);
		int _la;
		try {
			enterOuterAlt(_localctx, 1);
			{
			setState(7); 
			_errHandler.sync(this);
			_la = _input.LA(1);
			do {
				{
				{
				setState(6);
				greet();
				}
				}
				setState(9); 
				_errHandler.sync(this);
				_la = _input.LA(1);
			} while ( _la==T__0 || _la==T__1 );
			}
		}
		catch (RecognitionException re) {
			_localctx.exception = re;
			_errHandler.reportError(this, re);
			_errHandler.recover(this, re);
		}
		finally {
			exitRule();
		}
		return _localctx;
	}

	@SuppressWarnings("CheckReturnValue")
	public static class GreetContext extends ParserRuleContext {
		public GreetContext(ParserRuleContext parent, int invokingState) {
			super(parent, invokingState);
		}
		@Override public int getRuleIndex() { return RULE_greet; }
		@Override
		public void enterRule(ParseTreeListener listener) {
			if ( listener instanceof HelloListener ) ((HelloListener)listener).enterGreet(this);
		}
		@Override
		public void exitRule(ParseTreeListener listener) {
			if ( listener instanceof HelloListener ) ((HelloListener)listener).exitGreet(this);
		}
	}

	public final GreetContext greet() throws RecognitionException {
		GreetContext _localctx = new GreetContext(_ctx, getState());
		enterRule(_localctx, 2, RULE_greet);
		int _la;
		try {
			enterOuterAlt(_localctx, 1);
			{
			setState(11);
			_la = _input.LA(1);
			if ( !(_la==T__0 || _la==T__1) ) {
			_errHandler.recoverInline(this);
			}
			else {
				if ( _input.LA(1)==Token.EOF ) matchedEOF = true;
				_errHandler.reportMatch(this);
				consume();
			}
			}
		}
		catch (RecognitionException re) {
			_localctx.exception = re;
			_errHandler.reportError(this, re);
			_errHandler.recover(this, re);
		}
		finally {
			exitRule();
		}
		return _localctx;
	}

	@SuppressWarnings("CheckReturnValue")
	public static class StartContext extends ParserRuleContext {
		public TerminalNode ID() { return getToken(HelloParser.ID, 0); }
		public StartContext(ParserRuleContext parent, int invokingState) {
			super(parent, invokingState);
		}
		@Override public int getRuleIndex() { return RULE_start; }
		@Override
		public void enterRule(ParseTreeListener listener) {
			if ( listener instanceof HelloListener ) ((HelloListener)listener).enterStart(this);
		}
		@Override
		public void exitRule(ParseTreeListener listener) {
			if ( listener instanceof HelloListener ) ((HelloListener)listener).exitStart(this);
		}
	}

	public final StartContext start() throws RecognitionException {
		StartContext _localctx = new StartContext(_ctx, getState());
		enterRule(_localctx, 4, RULE_start);
		try {
			enterOuterAlt(_localctx, 1);
			{
			setState(13);
			match(T__0);
			setState(14);
			match(ID);
			}
		}
		catch (RecognitionException re) {
			_localctx.exception = re;
			_errHandler.reportError(this, re);
			_errHandler.recover(this, re);
		}
		finally {
			exitRule();
		}
		return _localctx;
	}

	public static final String _serializedATN =
		"\u0004\u0001\u0004\u0011\u0002\u0000\u0007\u0000\u0002\u0001\u0007\u0001"+
		"\u0002\u0002\u0007\u0002\u0001\u0000\u0004\u0000\b\b\u0000\u000b\u0000"+
		"\f\u0000\t\u0001\u0001\u0001\u0001\u0001\u0002\u0001\u0002\u0001\u0002"+
		"\u0001\u0002\u0000\u0000\u0003\u0000\u0002\u0004\u0000\u0001\u0001\u0000"+
		"\u0001\u0002\u000e\u0000\u0007\u0001\u0000\u0000\u0000\u0002\u000b\u0001"+
		"\u0000\u0000\u0000\u0004\r\u0001\u0000\u0000\u0000\u0006\b\u0003\u0002"+
		"\u0001\u0000\u0007\u0006\u0001\u0000\u0000\u0000\b\t\u0001\u0000\u0000"+
		"\u0000\t\u0007\u0001\u0000\u0000\u0000\t\n\u0001\u0000\u0000\u0000\n\u0001"+
		"\u0001\u0000\u0000\u0000\u000b\f\u0007\u0000\u0000\u0000\f\u0003\u0001"+
		"\u0000\u0000\u0000\r\u000e\u0005\u0001\u0000\u0000\u000e\u000f\u0005\u0003"+
		"\u0000\u0000\u000f\u0005\u0001\u0000\u0000\u0000\u0001\t";
	public static final ATN _ATN =
		new ATNDeserializer().deserialize(_serializedATN.toCharArray());
	static {
		_decisionToDFA = new DFA[_ATN.getNumberOfDecisions()];
		for (int i = 0; i < _ATN.getNumberOfDecisions(); i++) {
			_decisionToDFA[i] = new DFA(_ATN.getDecisionState(i), i);
		}
	}
}