// Generated from Expr.g4 by ANTLR 4.5
package org.tax.exprgen;
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"})
public class ExprParser extends Parser {
static { RuntimeMetaData.checkVersion("4.5", RuntimeMetaData.VERSION); }
protected static final DFA[] _decisionToDFA;
protected static final PredictionContextCache _sharedContextCache =
new PredictionContextCache();
public static final int
DECIMAL=1, INT=2, DIGIT=3, LOWERCASE=4, UPPERCASE=5, BOOLEANLITERAL=6,
ID=7, LPAR=8, RPAR=9, ASSIGN=10, GT=11, LT=12, BANG=13, TILDE=14, QUESTION=15,
EQUAL=16, LE=17, GE=18, NOTEQUAL=19, AND=20, OR=21, INC=22, DEC=23, ADD=24,
SUB=25, MUL=26, DIV=27, BITAND=28, BITOR=29, CARET=30, MOD=31, SINGLEQUOTE=32,
DOULEQUOTE=33, NEWLINE=34, COLON=35, LBRA=36, RBRA=37, SLASH=38, WS=39;
public static final int
RULE_myexpr = 0, RULE_literal = 1, RULE_expression = 2, RULE_variable = 3;
public static final String[] ruleNames = {
"myexpr", "literal", "expression", "variable"
};
private static final String[] _LITERAL_NAMES = {
null, null, null, null, null, null, null, null, "'('", "')'", "'='", "'>'",
"'<'", "'!'", "'~'", "'?'", "'=='", "'<='", "'>='", "'!='", "'&&'", "'||'",
"'++'", "'--'", "'+'", "'-'", "'*'", null, "'&'", "'|'", "'^'", "'%'",
"'''", "'\"'", null, "':'", "'{'", "'}'"
};
private static final String[] _SYMBOLIC_NAMES = {
null, "DECIMAL", "INT", "DIGIT", "LOWERCASE", "UPPERCASE", "BOOLEANLITERAL",
"ID", "LPAR", "RPAR", "ASSIGN", "GT", "LT", "BANG", "TILDE", "QUESTION",
"EQUAL", "LE", "GE", "NOTEQUAL", "AND", "OR", "INC", "DEC", "ADD", "SUB",
"MUL", "DIV", "BITAND", "BITOR", "CARET", "MOD", "SINGLEQUOTE", "DOULEQUOTE",
"NEWLINE", "COLON", "LBRA", "RBRA", "SLASH", "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] = "<INVALID>";
}
}
}
@Override
@Deprecated
public String[] getTokenNames() {
return tokenNames;
}
@Override
public Vocabulary getVocabulary() {
return VOCABULARY;
}
@Override
public String getGrammarFileName() { return "Expr.g4"; }
@Override
public String[] getRuleNames() { return ruleNames; }
@Override
public String getSerializedATN() { return _serializedATN; }
@Override
public ATN getATN() { return _ATN; }
public ExprParser(TokenStream input) {
super(input);
_interp = new ParserATNSimulator(this,_ATN,_decisionToDFA,_sharedContextCache);
}
public static class MyexprContext extends ParserRuleContext {
public List<ExpressionContext> expression() {
return getRuleContexts(ExpressionContext.class);
}
public ExpressionContext expression(int i) {
return getRuleContext(ExpressionContext.class,i);
}
public List<TerminalNode> NEWLINE() { return getTokens(ExprParser.NEWLINE); }
public TerminalNode NEWLINE(int i) {
return getToken(ExprParser.NEWLINE, i);
}
public MyexprContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_myexpr; }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof ExprListener ) ((ExprListener)listener).enterMyexpr(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof ExprListener ) ((ExprListener)listener).exitMyexpr(this);
}
@Override
public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
if ( visitor instanceof ExprVisitor ) return ((ExprVisitor<? extends T>)visitor).visitMyexpr(this);
else return visitor.visitChildren(this);
}
}
public final MyexprContext myexpr() throws RecognitionException {
MyexprContext _localctx = new MyexprContext(_ctx, getState());
enterRule(_localctx, 0, RULE_myexpr);
int _la;
try {
enterOuterAlt(_localctx, 1);
{
setState(13);
_errHandler.sync(this);
_la = _input.LA(1);
while ((((_la) & ~0x3f) == 0 && ((1L << _la) & ((1L << DECIMAL) | (1L << INT) | (1L << BOOLEANLITERAL) | (1L << ID) | (1L << LPAR) | (1L << BANG))) != 0)) {
{
{
setState(8);
expression(0);
setState(9);
match(NEWLINE);
}
}
setState(15);
_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 LiteralContext extends ParserRuleContext {
public LiteralContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_literal; }
public LiteralContext() { }
public void copyFrom(LiteralContext ctx) {
super.copyFrom(ctx);
}
}
public static class VarLiteralContext extends LiteralContext {
public VariableContext variable() {
return getRuleContext(VariableContext.class,0);
}
public VarLiteralContext(LiteralContext ctx) { copyFrom(ctx); }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof ExprListener ) ((ExprListener)listener).enterVarLiteral(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof ExprListener ) ((ExprListener)listener).exitVarLiteral(this);
}
@Override
public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
if ( visitor instanceof ExprVisitor ) return ((ExprVisitor<? extends T>)visitor).visitVarLiteral(this);
else return visitor.visitChildren(this);
}
}
public static class BOOLLiteralContext extends LiteralContext {
public TerminalNode BOOLEANLITERAL() { return getToken(ExprParser.BOOLEANLITERAL, 0); }
public BOOLLiteralContext(LiteralContext ctx) { copyFrom(ctx); }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof ExprListener ) ((ExprListener)listener).enterBOOLLiteral(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof ExprListener ) ((ExprListener)listener).exitBOOLLiteral(this);
}
@Override
public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
if ( visitor instanceof ExprVisitor ) return ((ExprVisitor<? extends T>)visitor).visitBOOLLiteral(this);
else return visitor.visitChildren(this);
}
}
public static class DECIMALLiteralContext extends LiteralContext {
public TerminalNode DECIMAL() { return getToken(ExprParser.DECIMAL, 0); }
public DECIMALLiteralContext(LiteralContext ctx) { copyFrom(ctx); }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof ExprListener ) ((ExprListener)listener).enterDECIMALLiteral(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof ExprListener ) ((ExprListener)listener).exitDECIMALLiteral(this);
}
@Override
public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
if ( visitor instanceof ExprVisitor ) return ((ExprVisitor<? extends T>)visitor).visitDECIMALLiteral(this);
else return visitor.visitChildren(this);
}
}
public static class INTLiteralContext extends LiteralContext {
public TerminalNode INT() { return getToken(ExprParser.INT, 0); }
public INTLiteralContext(LiteralContext ctx) { copyFrom(ctx); }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof ExprListener ) ((ExprListener)listener).enterINTLiteral(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof ExprListener ) ((ExprListener)listener).exitINTLiteral(this);
}
@Override
public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
if ( visitor instanceof ExprVisitor ) return ((ExprVisitor<? extends T>)visitor).visitINTLiteral(this);
else return visitor.visitChildren(this);
}
}
public final LiteralContext literal() throws RecognitionException {
LiteralContext _localctx = new LiteralContext(_ctx, getState());
enterRule(_localctx, 2, RULE_literal);
try {
setState(20);
switch (_input.LA(1)) {
case DECIMAL:
_localctx = new DECIMALLiteralContext(_localctx);
enterOuterAlt(_localctx, 1);
{
setState(16);
match(DECIMAL);
}
break;
case INT:
_localctx = new INTLiteralContext(_localctx);
enterOuterAlt(_localctx, 2);
{
setState(17);
match(INT);
}
break;
case ID:
_localctx = new VarLiteralContext(_localctx);
enterOuterAlt(_localctx, 3);
{
setState(18);
variable();
}
break;
case BOOLEANLITERAL:
_localctx = new BOOLLiteralContext(_localctx);
enterOuterAlt(_localctx, 4);
{
setState(19);
match(BOOLEANLITERAL);
}
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 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);
}
}
public static class LITExprContext extends ExpressionContext {
public LiteralContext literal() {
return getRuleContext(LiteralContext.class,0);
}
public LITExprContext(ExpressionContext ctx) { copyFrom(ctx); }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof ExprListener ) ((ExprListener)listener).enterLITExpr(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof ExprListener ) ((ExprListener)listener).exitLITExpr(this);
}
@Override
public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
if ( visitor instanceof ExprVisitor ) return ((ExprVisitor<? extends T>)visitor).visitLITExpr(this);
else return visitor.visitChildren(this);
}
}
public static class ANDExprContext 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 AND() { return getToken(ExprParser.AND, 0); }
public ANDExprContext(ExpressionContext ctx) { copyFrom(ctx); }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof ExprListener ) ((ExprListener)listener).enterANDExpr(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof ExprListener ) ((ExprListener)listener).exitANDExpr(this);
}
@Override
public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
if ( visitor instanceof ExprVisitor ) return ((ExprVisitor<? extends T>)visitor).visitANDExpr(this);
else return visitor.visitChildren(this);
}
}
public static class ADDSUBExprContext 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 ADD() { return getToken(ExprParser.ADD, 0); }
public TerminalNode SUB() { return getToken(ExprParser.SUB, 0); }
public ADDSUBExprContext(ExpressionContext ctx) { copyFrom(ctx); }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof ExprListener ) ((ExprListener)listener).enterADDSUBExpr(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof ExprListener ) ((ExprListener)listener).exitADDSUBExpr(this);
}
@Override
public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
if ( visitor instanceof ExprVisitor ) return ((ExprVisitor<? extends T>)visitor).visitADDSUBExpr(this);
else return visitor.visitChildren(this);
}
}
public static class PARExprContext extends ExpressionContext {
public TerminalNode LPAR() { return getToken(ExprParser.LPAR, 0); }
public ExpressionContext expression() {
return getRuleContext(ExpressionContext.class,0);
}
public TerminalNode RPAR() { return getToken(ExprParser.RPAR, 0); }
public PARExprContext(ExpressionContext ctx) { copyFrom(ctx); }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof ExprListener ) ((ExprListener)listener).enterPARExpr(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof ExprListener ) ((ExprListener)listener).exitPARExpr(this);
}
@Override
public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
if ( visitor instanceof ExprVisitor ) return ((ExprVisitor<? extends T>)visitor).visitPARExpr(this);
else return visitor.visitChildren(this);
}
}
public static class EQUALExprContext 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 EQUAL() { return getToken(ExprParser.EQUAL, 0); }
public TerminalNode NOTEQUAL() { return getToken(ExprParser.NOTEQUAL, 0); }
public EQUALExprContext(ExpressionContext ctx) { copyFrom(ctx); }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof ExprListener ) ((ExprListener)listener).enterEQUALExpr(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof ExprListener ) ((ExprListener)listener).exitEQUALExpr(this);
}
@Override
public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
if ( visitor instanceof ExprVisitor ) return ((ExprVisitor<? extends T>)visitor).visitEQUALExpr(this);
else return visitor.visitChildren(this);
}
}
public static class BANGExprContext extends ExpressionContext {
public Token op;
public ExpressionContext expression() {
return getRuleContext(ExpressionContext.class,0);
}
public TerminalNode BANG() { return getToken(ExprParser.BANG, 0); }
public BANGExprContext(ExpressionContext ctx) { copyFrom(ctx); }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof ExprListener ) ((ExprListener)listener).enterBANGExpr(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof ExprListener ) ((ExprListener)listener).exitBANGExpr(this);
}
@Override
public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
if ( visitor instanceof ExprVisitor ) return ((ExprVisitor<? extends T>)visitor).visitBANGExpr(this);
else return visitor.visitChildren(this);
}
}
public static class ORExprContext 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 OR() { return getToken(ExprParser.OR, 0); }
public ORExprContext(ExpressionContext ctx) { copyFrom(ctx); }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof ExprListener ) ((ExprListener)listener).enterORExpr(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof ExprListener ) ((ExprListener)listener).exitORExpr(this);
}
@Override
public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
if ( visitor instanceof ExprVisitor ) return ((ExprVisitor<? extends T>)visitor).visitORExpr(this);
else return visitor.visitChildren(this);
}
}
public static class COMPExprContext 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 GE() { return getToken(ExprParser.GE, 0); }
public TerminalNode LE() { return getToken(ExprParser.LE, 0); }
public TerminalNode GT() { return getToken(ExprParser.GT, 0); }
public TerminalNode LT() { return getToken(ExprParser.LT, 0); }
public COMPExprContext(ExpressionContext ctx) { copyFrom(ctx); }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof ExprListener ) ((ExprListener)listener).enterCOMPExpr(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof ExprListener ) ((ExprListener)listener).exitCOMPExpr(this);
}
@Override
public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
if ( visitor instanceof ExprVisitor ) return ((ExprVisitor<? extends T>)visitor).visitCOMPExpr(this);
else return visitor.visitChildren(this);
}
}
public static class MULDIVExprContext 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 MUL() { return getToken(ExprParser.MUL, 0); }
public TerminalNode DIV() { return getToken(ExprParser.DIV, 0); }
public TerminalNode MOD() { return getToken(ExprParser.MOD, 0); }
public MULDIVExprContext(ExpressionContext ctx) { copyFrom(ctx); }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof ExprListener ) ((ExprListener)listener).enterMULDIVExpr(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof ExprListener ) ((ExprListener)listener).exitMULDIVExpr(this);
}
@Override
public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
if ( visitor instanceof ExprVisitor ) return ((ExprVisitor<? extends T>)visitor).visitMULDIVExpr(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 = 4;
enterRecursionRule(_localctx, 4, RULE_expression, _p);
int _la;
try {
int _alt;
enterOuterAlt(_localctx, 1);
{
setState(30);
switch (_input.LA(1)) {
case BANG:
{
_localctx = new BANGExprContext(_localctx);
_ctx = _localctx;
_prevctx = _localctx;
setState(23);
((BANGExprContext)_localctx).op = match(BANG);
setState(24);
expression(6);
}
break;
case DECIMAL:
case INT:
case BOOLEANLITERAL:
case ID:
{
_localctx = new LITExprContext(_localctx);
_ctx = _localctx;
_prevctx = _localctx;
setState(25);
literal();
}
break;
case LPAR:
{
_localctx = new PARExprContext(_localctx);
_ctx = _localctx;
_prevctx = _localctx;
{
setState(26);
match(LPAR);
setState(27);
expression(0);
setState(28);
match(RPAR);
}
}
break;
default:
throw new NoViableAltException(this);
}
_ctx.stop = _input.LT(-1);
setState(52);
_errHandler.sync(this);
_alt = getInterpreter().adaptivePredict(_input,4,_ctx);
while ( _alt!=2 && _alt!=org.antlr.v4.runtime.atn.ATN.INVALID_ALT_NUMBER ) {
if ( _alt==1 ) {
if ( _parseListeners!=null ) triggerExitRuleEvent();
_prevctx = _localctx;
{
setState(50);
switch ( getInterpreter().adaptivePredict(_input,3,_ctx) ) {
case 1:
{
_localctx = new ANDExprContext(new ExpressionContext(_parentctx, _parentState));
pushNewRecursionContext(_localctx, _startState, RULE_expression);
setState(32);
if (!(precpred(_ctx, 8))) throw new FailedPredicateException(this, "precpred(_ctx, 8)");
setState(33);
((ANDExprContext)_localctx).op = match(AND);
setState(34);
expression(9);
}
break;
case 2:
{
_localctx = new ORExprContext(new ExpressionContext(_parentctx, _parentState));
pushNewRecursionContext(_localctx, _startState, RULE_expression);
setState(35);
if (!(precpred(_ctx, 7))) throw new FailedPredicateException(this, "precpred(_ctx, 7)");
setState(36);
((ORExprContext)_localctx).op = match(OR);
setState(37);
expression(8);
}
break;
case 3:
{
_localctx = new COMPExprContext(new ExpressionContext(_parentctx, _parentState));
pushNewRecursionContext(_localctx, _startState, RULE_expression);
setState(38);
if (!(precpred(_ctx, 5))) throw new FailedPredicateException(this, "precpred(_ctx, 5)");
setState(39);
((COMPExprContext)_localctx).op = _input.LT(1);
_la = _input.LA(1);
if ( !((((_la) & ~0x3f) == 0 && ((1L << _la) & ((1L << GT) | (1L << LT) | (1L << LE) | (1L << GE))) != 0)) ) {
((COMPExprContext)_localctx).op = (Token)_errHandler.recoverInline(this);
} else {
consume();
}
setState(40);
expression(6);
}
break;
case 4:
{
_localctx = new EQUALExprContext(new ExpressionContext(_parentctx, _parentState));
pushNewRecursionContext(_localctx, _startState, RULE_expression);
setState(41);
if (!(precpred(_ctx, 4))) throw new FailedPredicateException(this, "precpred(_ctx, 4)");
setState(42);
((EQUALExprContext)_localctx).op = _input.LT(1);
_la = _input.LA(1);
if ( !(_la==EQUAL || _la==NOTEQUAL) ) {
((EQUALExprContext)_localctx).op = (Token)_errHandler.recoverInline(this);
} else {
consume();
}
setState(43);
expression(5);
}
break;
case 5:
{
_localctx = new MULDIVExprContext(new ExpressionContext(_parentctx, _parentState));
pushNewRecursionContext(_localctx, _startState, RULE_expression);
setState(44);
if (!(precpred(_ctx, 3))) throw new FailedPredicateException(this, "precpred(_ctx, 3)");
setState(45);
((MULDIVExprContext)_localctx).op = _input.LT(1);
_la = _input.LA(1);
if ( !((((_la) & ~0x3f) == 0 && ((1L << _la) & ((1L << MUL) | (1L << DIV) | (1L << MOD))) != 0)) ) {
((MULDIVExprContext)_localctx).op = (Token)_errHandler.recoverInline(this);
} else {
consume();
}
setState(46);
expression(4);
}
break;
case 6:
{
_localctx = new ADDSUBExprContext(new ExpressionContext(_parentctx, _parentState));
pushNewRecursionContext(_localctx, _startState, RULE_expression);
setState(47);
if (!(precpred(_ctx, 2))) throw new FailedPredicateException(this, "precpred(_ctx, 2)");
setState(48);
((ADDSUBExprContext)_localctx).op = _input.LT(1);
_la = _input.LA(1);
if ( !(_la==ADD || _la==SUB) ) {
((ADDSUBExprContext)_localctx).op = (Token)_errHandler.recoverInline(this);
} else {
consume();
}
setState(49);
expression(3);
}
break;
}
}
}
setState(54);
_errHandler.sync(this);
_alt = getInterpreter().adaptivePredict(_input,4,_ctx);
}
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
unrollRecursionContexts(_parentctx);
}
return _localctx;
}
public static class VariableContext extends ParserRuleContext {
public TerminalNode ID() { return getToken(ExprParser.ID, 0); }
public VariableContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_variable; }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof ExprListener ) ((ExprListener)listener).enterVariable(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof ExprListener ) ((ExprListener)listener).exitVariable(this);
}
@Override
public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
if ( visitor instanceof ExprVisitor ) return ((ExprVisitor<? extends T>)visitor).visitVariable(this);
else return visitor.visitChildren(this);
}
}
public final VariableContext variable() throws RecognitionException {
VariableContext _localctx = new VariableContext(_ctx, getState());
enterRule(_localctx, 6, RULE_variable);
try {
enterOuterAlt(_localctx, 1);
{
setState(55);
match(ID);
}
}
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 2:
return expression_sempred((ExpressionContext)_localctx, predIndex);
}
return true;
}
private boolean expression_sempred(ExpressionContext _localctx, int predIndex) {
switch (predIndex) {
case 0:
return precpred(_ctx, 8);
case 1:
return precpred(_ctx, 7);
case 2:
return precpred(_ctx, 5);
case 3:
return precpred(_ctx, 4);
case 4:
return precpred(_ctx, 3);
case 5:
return precpred(_ctx, 2);
}
return true;
}
public static final String _serializedATN =
"\3\u0430\ud6d1\u8206\uad2d\u4417\uaef1\u8d80\uaadd\3)<\4\2\t\2\4\3\t\3"+
"\4\4\t\4\4\5\t\5\3\2\3\2\3\2\7\2\16\n\2\f\2\16\2\21\13\2\3\3\3\3\3\3\3"+
"\3\5\3\27\n\3\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\5\4!\n\4\3\4\3\4\3\4\3\4"+
"\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\7\4\65\n\4\f"+
"\4\16\48\13\4\3\5\3\5\3\5\2\3\6\6\2\4\6\b\2\6\4\2\r\16\23\24\4\2\22\22"+
"\25\25\4\2\34\35!!\3\2\32\33C\2\17\3\2\2\2\4\26\3\2\2\2\6 \3\2\2\2\b9"+
"\3\2\2\2\n\13\5\6\4\2\13\f\7$\2\2\f\16\3\2\2\2\r\n\3\2\2\2\16\21\3\2\2"+
"\2\17\r\3\2\2\2\17\20\3\2\2\2\20\3\3\2\2\2\21\17\3\2\2\2\22\27\7\3\2\2"+
"\23\27\7\4\2\2\24\27\5\b\5\2\25\27\7\b\2\2\26\22\3\2\2\2\26\23\3\2\2\2"+
"\26\24\3\2\2\2\26\25\3\2\2\2\27\5\3\2\2\2\30\31\b\4\1\2\31\32\7\17\2\2"+
"\32!\5\6\4\b\33!\5\4\3\2\34\35\7\n\2\2\35\36\5\6\4\2\36\37\7\13\2\2\37"+
"!\3\2\2\2 \30\3\2\2\2 \33\3\2\2\2 \34\3\2\2\2!\66\3\2\2\2\"#\f\n\2\2#"+
"$\7\26\2\2$\65\5\6\4\13%&\f\t\2\2&\'\7\27\2\2\'\65\5\6\4\n()\f\7\2\2)"+
"*\t\2\2\2*\65\5\6\4\b+,\f\6\2\2,-\t\3\2\2-\65\5\6\4\7./\f\5\2\2/\60\t"+
"\4\2\2\60\65\5\6\4\6\61\62\f\4\2\2\62\63\t\5\2\2\63\65\5\6\4\5\64\"\3"+
"\2\2\2\64%\3\2\2\2\64(\3\2\2\2\64+\3\2\2\2\64.\3\2\2\2\64\61\3\2\2\2\65"+
"8\3\2\2\2\66\64\3\2\2\2\66\67\3\2\2\2\67\7\3\2\2\28\66\3\2\2\29:\7\t\2"+
"\2:\t\3\2\2\2\7\17\26 \64\66";
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);
}
}
}