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gr.iti.mklab.framework.utils.booleanparse.BooleanQueryParser Maven / Gradle / Ivy

package gr.iti.mklab.framework.utils.booleanparse;

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 gr.iti.mklab.framework.utils.booleanparse.BooleanQueryListener;
import gr.iti.mklab.framework.utils.booleanparse.BooleanQueryParser;
import gr.iti.mklab.framework.utils.booleanparse.BooleanQueryVisitor;

import java.util.List;
import java.util.Iterator;
import java.util.ArrayList;

@SuppressWarnings({"all", "warnings", "unchecked", "unused", "cast"})
public class BooleanQueryParser extends Parser {
	static { RuntimeMetaData.checkVersion("4.5.3", RuntimeMetaData.VERSION); }

	protected static final DFA[] _decisionToDFA;
	protected static final PredictionContextCache _sharedContextCache =
		new PredictionContextCache();
	public static final int
		LPAREN=1, RPAREN=2, OR=3, NOT=4, AND=5, WORD=6, WS=7;
	public static final int
		RULE_expression = 0, RULE_not = 1, RULE_and = 2, RULE_or = 3, RULE_atom = 4;
	public static final String[] ruleNames = {
		"expression", "not", "and", "or", "atom"
	};

	private static final String[] _LITERAL_NAMES = {
		null, "'('", "')'", "'OR'", "'NOT'", "'AND'"
	};
	private static final String[] _SYMBOLIC_NAMES = {
		null, "LPAREN", "RPAREN", "OR", "NOT", "AND", "WORD", "WS"
	};
	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] = "";
			}
		}
	}

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

	@Override

	public Vocabulary getVocabulary() {
		return VOCABULARY;
	}

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

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

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

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

	public BooleanQueryParser(TokenStream input) {
		super(input);
		_interp = new ParserATNSimulator(this,_ATN,_decisionToDFA,_sharedContextCache);
	}
	public static class ExpressionContext extends ParserRuleContext {
		public NotContext not() {
			return getRuleContext(NotContext.class,0);
		}
		public ExpressionContext(ParserRuleContext parent, int invokingState) {
			super(parent, invokingState);
		}
		@Override public int getRuleIndex() { return RULE_expression; }
		@Override
		public void enterRule(ParseTreeListener listener) {
			if ( listener instanceof BooleanQueryListener ) ((BooleanQueryListener)listener).enterExpression(this);
		}
		@Override
		public void exitRule(ParseTreeListener listener) {
			if ( listener instanceof BooleanQueryListener ) ((BooleanQueryListener)listener).exitExpression(this);
		}
		@Override
		public  T accept(ParseTreeVisitor visitor) {
			if ( visitor instanceof BooleanQueryVisitor ) return ((BooleanQueryVisitor)visitor).visitExpression(this);
			else return visitor.visitChildren(this);
		}
	}

	public final ExpressionContext expression() throws RecognitionException {
		ExpressionContext _localctx = new ExpressionContext(_ctx, getState());
		enterRule(_localctx, 0, RULE_expression);
		try {
			enterOuterAlt(_localctx, 1);
			{
			setState(10);
			not();
			}
		}
		catch (RecognitionException re) {
			_localctx.exception = re;
			_errHandler.reportError(this, re);
			_errHandler.recover(this, re);
		}
		finally {
			exitRule();
		}
		return _localctx;
	}

	public static class NotContext extends ParserRuleContext {
		public List and() {
			return getRuleContexts(AndContext.class);
		}
		public AndContext and(int i) {
			return getRuleContext(AndContext.class,i);
		}
		public List NOT() { return getTokens(BooleanQueryParser.NOT); }
		public TerminalNode NOT(int i) {
			return getToken(BooleanQueryParser.NOT, i);
		}
		public NotContext(ParserRuleContext parent, int invokingState) {
			super(parent, invokingState);
		}
		@Override public int getRuleIndex() { return RULE_not; }
		@Override
		public void enterRule(ParseTreeListener listener) {
			if ( listener instanceof BooleanQueryListener ) ((BooleanQueryListener)listener).enterNot(this);
		}
		@Override
		public void exitRule(ParseTreeListener listener) {
			if ( listener instanceof BooleanQueryListener ) ((BooleanQueryListener)listener).exitNot(this);
		}
		@Override
		public  T accept(ParseTreeVisitor visitor) {
			if ( visitor instanceof BooleanQueryVisitor ) return ((BooleanQueryVisitor)visitor).visitNot(this);
			else return visitor.visitChildren(this);
		}
	}

	public final NotContext not() throws RecognitionException {
		NotContext _localctx = new NotContext(_ctx, getState());
		enterRule(_localctx, 2, RULE_not);
		int _la;
		try {
			setState(26);
			switch (_input.LA(1)) {
			case LPAREN:
			case WORD:
				enterOuterAlt(_localctx, 1);
				{
				setState(12);
				and();
				setState(17);
				_errHandler.sync(this);
				_la = _input.LA(1);
				while (_la==NOT) {
					{
					{
					setState(13);
					match(NOT);
					setState(14);
					and();
					}
					}
					setState(19);
					_errHandler.sync(this);
					_la = _input.LA(1);
				}
				}
				break;
			case NOT:
				enterOuterAlt(_localctx, 2);
				{
				setState(22); 
				_errHandler.sync(this);
				_la = _input.LA(1);
				do {
					{
					{
					setState(20);
					match(NOT);
					setState(21);
					and();
					}
					}
					setState(24); 
					_errHandler.sync(this);
					_la = _input.LA(1);
				} while ( _la==NOT );
				}
				break;
			default:
				throw new NoViableAltException(this);
			}
		}
		catch (RecognitionException re) {
			_localctx.exception = re;
			_errHandler.reportError(this, re);
			_errHandler.recover(this, re);
		}
		finally {
			exitRule();
		}
		return _localctx;
	}

	public static class AndContext extends ParserRuleContext {
		public List or() {
			return getRuleContexts(OrContext.class);
		}
		public OrContext or(int i) {
			return getRuleContext(OrContext.class,i);
		}
		public List AND() { return getTokens(BooleanQueryParser.AND); }
		public TerminalNode AND(int i) {
			return getToken(BooleanQueryParser.AND, i);
		}
		public AndContext(ParserRuleContext parent, int invokingState) {
			super(parent, invokingState);
		}
		@Override public int getRuleIndex() { return RULE_and; }
		@Override
		public void enterRule(ParseTreeListener listener) {
			if ( listener instanceof BooleanQueryListener ) ((BooleanQueryListener)listener).enterAnd(this);
		}
		@Override
		public void exitRule(ParseTreeListener listener) {
			if ( listener instanceof BooleanQueryListener ) ((BooleanQueryListener)listener).exitAnd(this);
		}
		@Override
		public  T accept(ParseTreeVisitor visitor) {
			if ( visitor instanceof BooleanQueryVisitor ) return ((BooleanQueryVisitor)visitor).visitAnd(this);
			else return visitor.visitChildren(this);
		}
	}

	public final AndContext and() throws RecognitionException {
		AndContext _localctx = new AndContext(_ctx, getState());
		enterRule(_localctx, 4, RULE_and);
		int _la;
		try {
			enterOuterAlt(_localctx, 1);
			{
			setState(28);
			or();
			setState(33);
			_errHandler.sync(this);
			_la = _input.LA(1);
			while (_la==AND) {
				{
				{
				setState(29);
				match(AND);
				setState(30);
				or();
				}
				}
				setState(35);
				_errHandler.sync(this);
				_la = _input.LA(1);
			}
			}
		}
		catch (RecognitionException re) {
			_localctx.exception = re;
			_errHandler.reportError(this, re);
			_errHandler.recover(this, re);
		}
		finally {
			exitRule();
		}
		return _localctx;
	}

	public static class OrContext extends ParserRuleContext {
		public List atom() {
			return getRuleContexts(AtomContext.class);
		}
		public AtomContext atom(int i) {
			return getRuleContext(AtomContext.class,i);
		}
		public List OR() { return getTokens(BooleanQueryParser.OR); }
		public TerminalNode OR(int i) {
			return getToken(BooleanQueryParser.OR, i);
		}
		public OrContext(ParserRuleContext parent, int invokingState) {
			super(parent, invokingState);
		}
		@Override public int getRuleIndex() { return RULE_or; }
		@Override
		public void enterRule(ParseTreeListener listener) {
			if ( listener instanceof BooleanQueryListener ) ((BooleanQueryListener)listener).enterOr(this);
		}
		@Override
		public void exitRule(ParseTreeListener listener) {
			if ( listener instanceof BooleanQueryListener ) ((BooleanQueryListener)listener).exitOr(this);
		}
		@Override
		public  T accept(ParseTreeVisitor visitor) {
			if ( visitor instanceof BooleanQueryVisitor ) return ((BooleanQueryVisitor)visitor).visitOr(this);
			else return visitor.visitChildren(this);
		}
	}

	public final OrContext or() throws RecognitionException {
		OrContext _localctx = new OrContext(_ctx, getState());
		enterRule(_localctx, 6, RULE_or);
		int _la;
		try {
			enterOuterAlt(_localctx, 1);
			{
			setState(36);
			atom();
			setState(41);
			_errHandler.sync(this);
			_la = _input.LA(1);
			while (_la==OR) {
				{
				{
				setState(37);
				match(OR);
				setState(38);
				atom();
				}
				}
				setState(43);
				_errHandler.sync(this);
				_la = _input.LA(1);
			}
			}
		}
		catch (RecognitionException re) {
			_localctx.exception = re;
			_errHandler.reportError(this, re);
			_errHandler.recover(this, re);
		}
		finally {
			exitRule();
		}
		return _localctx;
	}

	public static class AtomContext extends ParserRuleContext {
		public List WORD() { return getTokens(BooleanQueryParser.WORD); }
		public TerminalNode WORD(int i) {
			return getToken(BooleanQueryParser.WORD, i);
		}
		public TerminalNode LPAREN() { return getToken(BooleanQueryParser.LPAREN, 0); }
		public ExpressionContext expression() {
			return getRuleContext(ExpressionContext.class,0);
		}
		public TerminalNode RPAREN() { return getToken(BooleanQueryParser.RPAREN, 0); }
		public AtomContext(ParserRuleContext parent, int invokingState) {
			super(parent, invokingState);
		}
		@Override public int getRuleIndex() { return RULE_atom; }
		@Override
		public void enterRule(ParseTreeListener listener) {
			if ( listener instanceof BooleanQueryListener ) ((BooleanQueryListener)listener).enterAtom(this);
		}
		@Override
		public void exitRule(ParseTreeListener listener) {
			if ( listener instanceof BooleanQueryListener ) ((BooleanQueryListener)listener).exitAtom(this);
		}
		@Override
		public  T accept(ParseTreeVisitor visitor) {
			if ( visitor instanceof BooleanQueryVisitor ) return ((BooleanQueryVisitor)visitor).visitAtom(this);
			else return visitor.visitChildren(this);
		}
	}

	public final AtomContext atom() throws RecognitionException {
		AtomContext _localctx = new AtomContext(_ctx, getState());
		enterRule(_localctx, 8, RULE_atom);
		int _la;
		try {
			setState(53);
			switch (_input.LA(1)) {
			case WORD:
				enterOuterAlt(_localctx, 1);
				{
				setState(45); 
				_errHandler.sync(this);
				_la = _input.LA(1);
				do {
					{
					{
					setState(44);
					match(WORD);
					}
					}
					setState(47); 
					_errHandler.sync(this);
					_la = _input.LA(1);
				} while ( _la==WORD );
				}
				break;
			case LPAREN:
				enterOuterAlt(_localctx, 2);
				{
				setState(49);
				match(LPAREN);
				setState(50);
				expression();
				setState(51);
				match(RPAREN);
				}
				break;
			default:
				throw new NoViableAltException(this);
			}
		}
		catch (RecognitionException re) {
			_localctx.exception = re;
			_errHandler.reportError(this, re);
			_errHandler.recover(this, re);
		}
		finally {
			exitRule();
		}
		return _localctx;
	}

	public static final String _serializedATN =
		"\3\u0430\ud6d1\u8206\uad2d\u4417\uaef1\u8d80\uaadd\3\t:\4\2\t\2\4\3\t"+
		"\3\4\4\t\4\4\5\t\5\4\6\t\6\3\2\3\2\3\3\3\3\3\3\7\3\22\n\3\f\3\16\3\25"+
		"\13\3\3\3\3\3\6\3\31\n\3\r\3\16\3\32\5\3\35\n\3\3\4\3\4\3\4\7\4\"\n\4"+
		"\f\4\16\4%\13\4\3\5\3\5\3\5\7\5*\n\5\f\5\16\5-\13\5\3\6\6\6\60\n\6\r\6"+
		"\16\6\61\3\6\3\6\3\6\3\6\5\68\n\6\3\6\2\2\7\2\4\6\b\n\2\2;\2\f\3\2\2\2"+
		"\4\34\3\2\2\2\6\36\3\2\2\2\b&\3\2\2\2\n\67\3\2\2\2\f\r\5\4\3\2\r\3\3\2"+
		"\2\2\16\23\5\6\4\2\17\20\7\6\2\2\20\22\5\6\4\2\21\17\3\2\2\2\22\25\3\2"+
		"\2\2\23\21\3\2\2\2\23\24\3\2\2\2\24\35\3\2\2\2\25\23\3\2\2\2\26\27\7\6"+
		"\2\2\27\31\5\6\4\2\30\26\3\2\2\2\31\32\3\2\2\2\32\30\3\2\2\2\32\33\3\2"+
		"\2\2\33\35\3\2\2\2\34\16\3\2\2\2\34\30\3\2\2\2\35\5\3\2\2\2\36#\5\b\5"+
		"\2\37 \7\7\2\2 \"\5\b\5\2!\37\3\2\2\2\"%\3\2\2\2#!\3\2\2\2#$\3\2\2\2$"+
		"\7\3\2\2\2%#\3\2\2\2&+\5\n\6\2\'(\7\5\2\2(*\5\n\6\2)\'\3\2\2\2*-\3\2\2"+
		"\2+)\3\2\2\2+,\3\2\2\2,\t\3\2\2\2-+\3\2\2\2.\60\7\b\2\2/.\3\2\2\2\60\61"+
		"\3\2\2\2\61/\3\2\2\2\61\62\3\2\2\2\628\3\2\2\2\63\64\7\3\2\2\64\65\5\2"+
		"\2\2\65\66\7\4\2\2\668\3\2\2\2\67/\3\2\2\2\67\63\3\2\2\28\13\3\2\2\2\t"+
		"\23\32\34#+\61\67";
	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);
		}
	}
}




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