MathOpsParser.java

// Generated from C:/Users/khali/OneDrive/Documents/CS 320/Coding Assignment 3-1/src/MathOps.g4 by ANTLR 4.13.1
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"})
public class MathOpsParser extends Parser {
	static { RuntimeMetaData.checkVersion("4.13.1", RuntimeMetaData.VERSION); }

	protected static final DFA[] _decisionToDFA;
	protected static final PredictionContextCache _sharedContextCache =
		new PredictionContextCache();
	public static final int
		SCIENTIFIC_NUMBER=1, BASE10=2, BASEe=3, SIN=4, COS=5, TAN=6, ASIN=7, ACOS=8, 
		ATAN=9, SINH=10, COSH=11, TANH=12, FACTORIAL=13, LPAREN=14, RPAREN=15, 
		PLUS=16, MINUS=17, TIMES=18, DIV=19, POW=20, WS=21;
	public static final int
		RULE_file_ = 0, RULE_expression = 1, RULE_atom = 2, RULE_scientific = 3;
	private static String[] makeRuleNames() {
		return new String[] {
			"file_", "expression", "atom", "scientific"
		};
	}
	public static final String[] ruleNames = makeRuleNames();

	private static String[] makeLiteralNames() {
		return new String[] {
			null, null, "'log'", "'ln'", "'sin'", "'cos'", "'tan'", "'asin'", "'acos'", 
			"'atan'", "'sinh'", "'cosh'", "'tanh'", "'!'", "'('", "')'", "'+'", "'-'", 
			"'x'", "'\\u00F7'", "'**'"
		};
	}
	private static final String[] _LITERAL_NAMES = makeLiteralNames();
	private static String[] makeSymbolicNames() {
		return new String[] {
			null, "SCIENTIFIC_NUMBER", "BASE10", "BASEe", "SIN", "COS", "TAN", "ASIN", 
			"ACOS", "ATAN", "SINH", "COSH", "TANH", "FACTORIAL", "LPAREN", "RPAREN", 
			"PLUS", "MINUS", "TIMES", "DIV", "POW", "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 "MathOps.g4"; }

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

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

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

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

	@SuppressWarnings("CheckReturnValue")
	public static class File_Context extends ParserRuleContext {
		public File_Context(ParserRuleContext parent, int invokingState) {
			super(parent, invokingState);
		}
		@Override public int getRuleIndex() { return RULE_file_; }
	 
		public File_Context() { }
		public void copyFrom(File_Context ctx) {
			super.copyFrom(ctx);
		}
	}
	@SuppressWarnings("CheckReturnValue")
	public static class FinalExprContext extends File_Context {
		public ExpressionContext epr;
		public List<ExpressionContext> expression() {
			return getRuleContexts(ExpressionContext.class);
		}
		public ExpressionContext expression(int i) {
			return getRuleContext(ExpressionContext.class,i);
		}
		public FinalExprContext(File_Context ctx) { copyFrom(ctx); }
		@Override
		public void enterRule(ParseTreeListener listener) {
			if ( listener instanceof MathOpsListener ) ((MathOpsListener)listener).enterFinalExpr(this);
		}
		@Override
		public void exitRule(ParseTreeListener listener) {
			if ( listener instanceof MathOpsListener ) ((MathOpsListener)listener).exitFinalExpr(this);
		}
		@Override
		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
			if ( visitor instanceof MathOpsVisitor ) return ((MathOpsVisitor<? extends T>)visitor).visitFinalExpr(this);
			else return visitor.visitChildren(this);
		}
	}

	public final File_Context file_() throws RecognitionException {
		File_Context _localctx = new File_Context(_ctx, getState());
		enterRule(_localctx, 0, RULE_file_);
		int _la;
		try {
			_localctx = new FinalExprContext(_localctx);
			enterOuterAlt(_localctx, 1);
			{
			setState(11);
			_errHandler.sync(this);
			_la = _input.LA(1);
			while ((((_la) & ~0x3f) == 0 && ((1L << _la) & 155646L) != 0)) {
				{
				{
				setState(8);
				((FinalExprContext)_localctx).epr = expression(0);
				}
				}
				setState(13);
				_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;
	}

	@SuppressWarnings("CheckReturnValue")
	public static class ExpressionContext extends ParserRuleContext {
		public ExpressionContext(ParserRuleContext parent, int invokingState) {
			super(parent, invokingState);
		}
		@Override public int getRuleIndex() { return RULE_expression; }
	 
		public ExpressionContext() { }
		public void copyFrom(ExpressionContext ctx) {
			super.copyFrom(ctx);
		}
	}
	@SuppressWarnings("CheckReturnValue")
	public static class ParenContext extends ExpressionContext {
		public TerminalNode LPAREN() { return getToken(MathOpsParser.LPAREN, 0); }
		public ExpressionContext expression() {
			return getRuleContext(ExpressionContext.class,0);
		}
		public TerminalNode RPAREN() { return getToken(MathOpsParser.RPAREN, 0); }
		public ParenContext(ExpressionContext ctx) { copyFrom(ctx); }
		@Override
		public void enterRule(ParseTreeListener listener) {
			if ( listener instanceof MathOpsListener ) ((MathOpsListener)listener).enterParen(this);
		}
		@Override
		public void exitRule(ParseTreeListener listener) {
			if ( listener instanceof MathOpsListener ) ((MathOpsListener)listener).exitParen(this);
		}
		@Override
		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
			if ( visitor instanceof MathOpsVisitor ) return ((MathOpsVisitor<? extends T>)visitor).visitParen(this);
			else return visitor.visitChildren(this);
		}
	}
	@SuppressWarnings("CheckReturnValue")
	public static class NegationContext extends ExpressionContext {
		public ExpressionContext right;
		public TerminalNode MINUS() { return getToken(MathOpsParser.MINUS, 0); }
		public ExpressionContext expression() {
			return getRuleContext(ExpressionContext.class,0);
		}
		public NegationContext(ExpressionContext ctx) { copyFrom(ctx); }
		@Override
		public void enterRule(ParseTreeListener listener) {
			if ( listener instanceof MathOpsListener ) ((MathOpsListener)listener).enterNegation(this);
		}
		@Override
		public void exitRule(ParseTreeListener listener) {
			if ( listener instanceof MathOpsListener ) ((MathOpsListener)listener).exitNegation(this);
		}
		@Override
		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
			if ( visitor instanceof MathOpsVisitor ) return ((MathOpsVisitor<? extends T>)visitor).visitNegation(this);
			else return visitor.visitChildren(this);
		}
	}
	@SuppressWarnings("CheckReturnValue")
	public static class FuncContext extends ExpressionContext {
		public Token op;
		public ExpressionContext right;
		public TerminalNode LPAREN() { return getToken(MathOpsParser.LPAREN, 0); }
		public TerminalNode RPAREN() { return getToken(MathOpsParser.RPAREN, 0); }
		public ExpressionContext expression() {
			return getRuleContext(ExpressionContext.class,0);
		}
		public TerminalNode SIN() { return getToken(MathOpsParser.SIN, 0); }
		public TerminalNode COS() { return getToken(MathOpsParser.COS, 0); }
		public TerminalNode TAN() { return getToken(MathOpsParser.TAN, 0); }
		public TerminalNode ASIN() { return getToken(MathOpsParser.ASIN, 0); }
		public TerminalNode ACOS() { return getToken(MathOpsParser.ACOS, 0); }
		public TerminalNode ATAN() { return getToken(MathOpsParser.ATAN, 0); }
		public TerminalNode SINH() { return getToken(MathOpsParser.SINH, 0); }
		public TerminalNode COSH() { return getToken(MathOpsParser.COSH, 0); }
		public TerminalNode TANH() { return getToken(MathOpsParser.TANH, 0); }
		public TerminalNode BASE10() { return getToken(MathOpsParser.BASE10, 0); }
		public TerminalNode BASEe() { return getToken(MathOpsParser.BASEe, 0); }
		public FuncContext(ExpressionContext ctx) { copyFrom(ctx); }
		@Override
		public void enterRule(ParseTreeListener listener) {
			if ( listener instanceof MathOpsListener ) ((MathOpsListener)listener).enterFunc(this);
		}
		@Override
		public void exitRule(ParseTreeListener listener) {
			if ( listener instanceof MathOpsListener ) ((MathOpsListener)listener).exitFunc(this);
		}
		@Override
		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
			if ( visitor instanceof MathOpsVisitor ) return ((MathOpsVisitor<? extends T>)visitor).visitFunc(this);
			else return visitor.visitChildren(this);
		}
	}
	@SuppressWarnings("CheckReturnValue")
	public static class MulDivContext extends ExpressionContext {
		public Token op;
		public List<ExpressionContext> expression() {
			return getRuleContexts(ExpressionContext.class);
		}
		public ExpressionContext expression(int i) {
			return getRuleContext(ExpressionContext.class,i);
		}
		public TerminalNode TIMES() { return getToken(MathOpsParser.TIMES, 0); }
		public TerminalNode DIV() { return getToken(MathOpsParser.DIV, 0); }
		public MulDivContext(ExpressionContext ctx) { copyFrom(ctx); }
		@Override
		public void enterRule(ParseTreeListener listener) {
			if ( listener instanceof MathOpsListener ) ((MathOpsListener)listener).enterMulDiv(this);
		}
		@Override
		public void exitRule(ParseTreeListener listener) {
			if ( listener instanceof MathOpsListener ) ((MathOpsListener)listener).exitMulDiv(this);
		}
		@Override
		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
			if ( visitor instanceof MathOpsVisitor ) return ((MathOpsVisitor<? extends T>)visitor).visitMulDiv(this);
			else return visitor.visitChildren(this);
		}
	}
	@SuppressWarnings("CheckReturnValue")
	public static class AddSubContext extends ExpressionContext {
		public Token op;
		public List<ExpressionContext> expression() {
			return getRuleContexts(ExpressionContext.class);
		}
		public ExpressionContext expression(int i) {
			return getRuleContext(ExpressionContext.class,i);
		}
		public TerminalNode PLUS() { return getToken(MathOpsParser.PLUS, 0); }
		public TerminalNode MINUS() { return getToken(MathOpsParser.MINUS, 0); }
		public AddSubContext(ExpressionContext ctx) { copyFrom(ctx); }
		@Override
		public void enterRule(ParseTreeListener listener) {
			if ( listener instanceof MathOpsListener ) ((MathOpsListener)listener).enterAddSub(this);
		}
		@Override
		public void exitRule(ParseTreeListener listener) {
			if ( listener instanceof MathOpsListener ) ((MathOpsListener)listener).exitAddSub(this);
		}
		@Override
		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
			if ( visitor instanceof MathOpsVisitor ) return ((MathOpsVisitor<? extends T>)visitor).visitAddSub(this);
			else return visitor.visitChildren(this);
		}
	}
	@SuppressWarnings("CheckReturnValue")
	public static class NumContext extends ExpressionContext {
		public AtomContext atom() {
			return getRuleContext(AtomContext.class,0);
		}
		public NumContext(ExpressionContext ctx) { copyFrom(ctx); }
		@Override
		public void enterRule(ParseTreeListener listener) {
			if ( listener instanceof MathOpsListener ) ((MathOpsListener)listener).enterNum(this);
		}
		@Override
		public void exitRule(ParseTreeListener listener) {
			if ( listener instanceof MathOpsListener ) ((MathOpsListener)listener).exitNum(this);
		}
		@Override
		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
			if ( visitor instanceof MathOpsVisitor ) return ((MathOpsVisitor<? extends T>)visitor).visitNum(this);
			else return visitor.visitChildren(this);
		}
	}
	@SuppressWarnings("CheckReturnValue")
	public static class PowContext extends ExpressionContext {
		public ExpressionContext left;
		public Token op;
		public ExpressionContext right;
		public List<ExpressionContext> expression() {
			return getRuleContexts(ExpressionContext.class);
		}
		public ExpressionContext expression(int i) {
			return getRuleContext(ExpressionContext.class,i);
		}
		public TerminalNode POW() { return getToken(MathOpsParser.POW, 0); }
		public PowContext(ExpressionContext ctx) { copyFrom(ctx); }
		@Override
		public void enterRule(ParseTreeListener listener) {
			if ( listener instanceof MathOpsListener ) ((MathOpsListener)listener).enterPow(this);
		}
		@Override
		public void exitRule(ParseTreeListener listener) {
			if ( listener instanceof MathOpsListener ) ((MathOpsListener)listener).exitPow(this);
		}
		@Override
		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
			if ( visitor instanceof MathOpsVisitor ) return ((MathOpsVisitor<? extends T>)visitor).visitPow(this);
			else return visitor.visitChildren(this);
		}
	}
	@SuppressWarnings("CheckReturnValue")
	public static class FactContext extends ExpressionContext {
		public Token op;
		public ExpressionContext expression() {
			return getRuleContext(ExpressionContext.class,0);
		}
		public TerminalNode FACTORIAL() { return getToken(MathOpsParser.FACTORIAL, 0); }
		public FactContext(ExpressionContext ctx) { copyFrom(ctx); }
		@Override
		public void enterRule(ParseTreeListener listener) {
			if ( listener instanceof MathOpsListener ) ((MathOpsListener)listener).enterFact(this);
		}
		@Override
		public void exitRule(ParseTreeListener listener) {
			if ( listener instanceof MathOpsListener ) ((MathOpsListener)listener).exitFact(this);
		}
		@Override
		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
			if ( visitor instanceof MathOpsVisitor ) return ((MathOpsVisitor<? extends T>)visitor).visitFact(this);
			else return visitor.visitChildren(this);
		}
	}

	public final ExpressionContext expression() throws RecognitionException {
		return expression(0);
	}

	private ExpressionContext expression(int _p) throws RecognitionException {
		ParserRuleContext _parentctx = _ctx;
		int _parentState = getState();
		ExpressionContext _localctx = new ExpressionContext(_ctx, _parentState);
		ExpressionContext _prevctx = _localctx;
		int _startState = 2;
		enterRecursionRule(_localctx, 2, RULE_expression, _p);
		int _la;
		try {
			int _alt;
			enterOuterAlt(_localctx, 1);
			{
			setState(27);
			_errHandler.sync(this);
			switch (_input.LA(1)) {
			case SCIENTIFIC_NUMBER:
				{
				_localctx = new NumContext(_localctx);
				_ctx = _localctx;
				_prevctx = _localctx;

				setState(15);
				atom();
				}
				break;
			case BASE10:
			case BASEe:
			case SIN:
			case COS:
			case TAN:
			case ASIN:
			case ACOS:
			case ATAN:
			case SINH:
			case COSH:
			case TANH:
				{
				_localctx = new FuncContext(_localctx);
				_ctx = _localctx;
				_prevctx = _localctx;
				setState(16);
				((FuncContext)_localctx).op = _input.LT(1);
				_la = _input.LA(1);
				if ( !((((_la) & ~0x3f) == 0 && ((1L << _la) & 8188L) != 0)) ) {
					((FuncContext)_localctx).op = (Token)_errHandler.recoverInline(this);
				}
				else {
					if ( _input.LA(1)==Token.EOF ) matchedEOF = true;
					_errHandler.reportMatch(this);
					consume();
				}
				setState(17);
				match(LPAREN);
				setState(18);
				((FuncContext)_localctx).right = expression(0);
				setState(19);
				match(RPAREN);
				}
				break;
			case MINUS:
				{
				_localctx = new NegationContext(_localctx);
				_ctx = _localctx;
				_prevctx = _localctx;
				setState(21);
				match(MINUS);
				setState(22);
				((NegationContext)_localctx).right = expression(4);
				}
				break;
			case LPAREN:
				{
				_localctx = new ParenContext(_localctx);
				_ctx = _localctx;
				_prevctx = _localctx;
				setState(23);
				match(LPAREN);
				setState(24);
				expression(0);
				setState(25);
				match(RPAREN);
				}
				break;
			default:
				throw new NoViableAltException(this);
			}
			_ctx.stop = _input.LT(-1);
			setState(42);
			_errHandler.sync(this);
			_alt = getInterpreter().adaptivePredict(_input,3,_ctx);
			while ( _alt!=2 && _alt!=org.antlr.v4.runtime.atn.ATN.INVALID_ALT_NUMBER ) {
				if ( _alt==1 ) {
					if ( _parseListeners!=null ) triggerExitRuleEvent();
					_prevctx = _localctx;
					{
					setState(40);
					_errHandler.sync(this);
					switch ( getInterpreter().adaptivePredict(_input,2,_ctx) ) {
					case 1:
						{
						_localctx = new PowContext(new ExpressionContext(_parentctx, _parentState));
						((PowContext)_localctx).left = _prevctx;
						pushNewRecursionContext(_localctx, _startState, RULE_expression);
						setState(29);
						if (!(precpred(_ctx, 5))) throw new FailedPredicateException(this, "precpred(_ctx, 5)");
						setState(30);
						((PowContext)_localctx).op = match(POW);
						setState(31);
						((PowContext)_localctx).right = expression(6);
						}
						break;
					case 2:
						{
						_localctx = new MulDivContext(new ExpressionContext(_parentctx, _parentState));
						pushNewRecursionContext(_localctx, _startState, RULE_expression);
						setState(32);
						if (!(precpred(_ctx, 3))) throw new FailedPredicateException(this, "precpred(_ctx, 3)");
						setState(33);
						((MulDivContext)_localctx).op = _input.LT(1);
						_la = _input.LA(1);
						if ( !(_la==TIMES || _la==DIV) ) {
							((MulDivContext)_localctx).op = (Token)_errHandler.recoverInline(this);
						}
						else {
							if ( _input.LA(1)==Token.EOF ) matchedEOF = true;
							_errHandler.reportMatch(this);
							consume();
						}
						setState(34);
						expression(4);
						}
						break;
					case 3:
						{
						_localctx = new AddSubContext(new ExpressionContext(_parentctx, _parentState));
						pushNewRecursionContext(_localctx, _startState, RULE_expression);
						setState(35);
						if (!(precpred(_ctx, 2))) throw new FailedPredicateException(this, "precpred(_ctx, 2)");
						setState(36);
						((AddSubContext)_localctx).op = _input.LT(1);
						_la = _input.LA(1);
						if ( !(_la==PLUS || _la==MINUS) ) {
							((AddSubContext)_localctx).op = (Token)_errHandler.recoverInline(this);
						}
						else {
							if ( _input.LA(1)==Token.EOF ) matchedEOF = true;
							_errHandler.reportMatch(this);
							consume();
						}
						setState(37);
						expression(3);
						}
						break;
					case 4:
						{
						_localctx = new FactContext(new ExpressionContext(_parentctx, _parentState));
						pushNewRecursionContext(_localctx, _startState, RULE_expression);
						setState(38);
						if (!(precpred(_ctx, 6))) throw new FailedPredicateException(this, "precpred(_ctx, 6)");
						setState(39);
						((FactContext)_localctx).op = match(FACTORIAL);
						}
						break;
					}
					} 
				}
				setState(44);
				_errHandler.sync(this);
				_alt = getInterpreter().adaptivePredict(_input,3,_ctx);
			}
			}
		}
		catch (RecognitionException re) {
			_localctx.exception = re;
			_errHandler.reportError(this, re);
			_errHandler.recover(this, re);
		}
		finally {
			unrollRecursionContexts(_parentctx);
		}
		return _localctx;
	}

	@SuppressWarnings("CheckReturnValue")
	public static class AtomContext extends ParserRuleContext {
		public ScientificContext scientific() {
			return getRuleContext(ScientificContext.class,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 MathOpsListener ) ((MathOpsListener)listener).enterAtom(this);
		}
		@Override
		public void exitRule(ParseTreeListener listener) {
			if ( listener instanceof MathOpsListener ) ((MathOpsListener)listener).exitAtom(this);
		}
		@Override
		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
			if ( visitor instanceof MathOpsVisitor ) return ((MathOpsVisitor<? extends T>)visitor).visitAtom(this);
			else return visitor.visitChildren(this);
		}
	}

	public final AtomContext atom() throws RecognitionException {
		AtomContext _localctx = new AtomContext(_ctx, getState());
		enterRule(_localctx, 4, RULE_atom);
		try {
			enterOuterAlt(_localctx, 1);
			{
			setState(45);
			scientific();
			}
		}
		catch (RecognitionException re) {
			_localctx.exception = re;
			_errHandler.reportError(this, re);
			_errHandler.recover(this, re);
		}
		finally {
			exitRule();
		}
		return _localctx;
	}

	@SuppressWarnings("CheckReturnValue")
	public static class ScientificContext extends ParserRuleContext {
		public TerminalNode SCIENTIFIC_NUMBER() { return getToken(MathOpsParser.SCIENTIFIC_NUMBER, 0); }
		public ScientificContext(ParserRuleContext parent, int invokingState) {
			super(parent, invokingState);
		}
		@Override public int getRuleIndex() { return RULE_scientific; }
		@Override
		public void enterRule(ParseTreeListener listener) {
			if ( listener instanceof MathOpsListener ) ((MathOpsListener)listener).enterScientific(this);
		}
		@Override
		public void exitRule(ParseTreeListener listener) {
			if ( listener instanceof MathOpsListener ) ((MathOpsListener)listener).exitScientific(this);
		}
		@Override
		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
			if ( visitor instanceof MathOpsVisitor ) return ((MathOpsVisitor<? extends T>)visitor).visitScientific(this);
			else return visitor.visitChildren(this);
		}
	}

	public final ScientificContext scientific() throws RecognitionException {
		ScientificContext _localctx = new ScientificContext(_ctx, getState());
		enterRule(_localctx, 6, RULE_scientific);
		try {
			enterOuterAlt(_localctx, 1);
			{
			setState(47);
			match(SCIENTIFIC_NUMBER);
			}
		}
		catch (RecognitionException re) {
			_localctx.exception = re;
			_errHandler.reportError(this, re);
			_errHandler.recover(this, re);
		}
		finally {
			exitRule();
		}
		return _localctx;
	}

	public boolean sempred(RuleContext _localctx, int ruleIndex, int predIndex) {
		switch (ruleIndex) {
		case 1:
			return expression_sempred((ExpressionContext)_localctx, predIndex);
		}
		return true;
	}
	private boolean expression_sempred(ExpressionContext _localctx, int predIndex) {
		switch (predIndex) {
		case 0:
			return precpred(_ctx, 5);
		case 1:
			return precpred(_ctx, 3);
		case 2:
			return precpred(_ctx, 2);
		case 3:
			return precpred(_ctx, 6);
		}
		return true;
	}

	public static final String _serializedATN =
		"\u0004\u0001\u00152\u0002\u0000\u0007\u0000\u0002\u0001\u0007\u0001\u0002"+
		"\u0002\u0007\u0002\u0002\u0003\u0007\u0003\u0001\u0000\u0005\u0000\n\b"+
		"\u0000\n\u0000\f\u0000\r\t\u0000\u0001\u0001\u0001\u0001\u0001\u0001\u0001"+
		"\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001"+
		"\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0003\u0001\u001c\b\u0001\u0001"+
		"\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001"+
		"\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0005\u0001)\b"+
		"\u0001\n\u0001\f\u0001,\t\u0001\u0001\u0002\u0001\u0002\u0001\u0003\u0001"+
		"\u0003\u0001\u0003\u0000\u0001\u0002\u0004\u0000\u0002\u0004\u0006\u0000"+
		"\u0003\u0001\u0000\u0002\f\u0001\u0000\u0012\u0013\u0001\u0000\u0010\u0011"+
		"5\u0000\u000b\u0001\u0000\u0000\u0000\u0002\u001b\u0001\u0000\u0000\u0000"+
		"\u0004-\u0001\u0000\u0000\u0000\u0006/\u0001\u0000\u0000\u0000\b\n\u0003"+
		"\u0002\u0001\u0000\t\b\u0001\u0000\u0000\u0000\n\r\u0001\u0000\u0000\u0000"+
		"\u000b\t\u0001\u0000\u0000\u0000\u000b\f\u0001\u0000\u0000\u0000\f\u0001"+
		"\u0001\u0000\u0000\u0000\r\u000b\u0001\u0000\u0000\u0000\u000e\u000f\u0006"+
		"\u0001\uffff\uffff\u0000\u000f\u001c\u0003\u0004\u0002\u0000\u0010\u0011"+
		"\u0007\u0000\u0000\u0000\u0011\u0012\u0005\u000e\u0000\u0000\u0012\u0013"+
		"\u0003\u0002\u0001\u0000\u0013\u0014\u0005\u000f\u0000\u0000\u0014\u001c"+
		"\u0001\u0000\u0000\u0000\u0015\u0016\u0005\u0011\u0000\u0000\u0016\u001c"+
		"\u0003\u0002\u0001\u0004\u0017\u0018\u0005\u000e\u0000\u0000\u0018\u0019"+
		"\u0003\u0002\u0001\u0000\u0019\u001a\u0005\u000f\u0000\u0000\u001a\u001c"+
		"\u0001\u0000\u0000\u0000\u001b\u000e\u0001\u0000\u0000\u0000\u001b\u0010"+
		"\u0001\u0000\u0000\u0000\u001b\u0015\u0001\u0000\u0000\u0000\u001b\u0017"+
		"\u0001\u0000\u0000\u0000\u001c*\u0001\u0000\u0000\u0000\u001d\u001e\n"+
		"\u0005\u0000\u0000\u001e\u001f\u0005\u0014\u0000\u0000\u001f)\u0003\u0002"+
		"\u0001\u0006 !\n\u0003\u0000\u0000!\"\u0007\u0001\u0000\u0000\")\u0003"+
		"\u0002\u0001\u0004#$\n\u0002\u0000\u0000$%\u0007\u0002\u0000\u0000%)\u0003"+
		"\u0002\u0001\u0003&\'\n\u0006\u0000\u0000\')\u0005\r\u0000\u0000(\u001d"+
		"\u0001\u0000\u0000\u0000( \u0001\u0000\u0000\u0000(#\u0001\u0000\u0000"+
		"\u0000(&\u0001\u0000\u0000\u0000),\u0001\u0000\u0000\u0000*(\u0001\u0000"+
		"\u0000\u0000*+\u0001\u0000\u0000\u0000+\u0003\u0001\u0000\u0000\u0000"+
		",*\u0001\u0000\u0000\u0000-.\u0003\u0006\u0003\u0000.\u0005\u0001\u0000"+
		"\u0000\u0000/0\u0005\u0001\u0000\u00000\u0007\u0001\u0000\u0000\u0000"+
		"\u0004\u000b\u001b(*";
	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);
		}
	}
}