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• LeftRecursiveRuleWalker.java

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org.antlr.v4.parse.LeftRecursiveRuleWalker Maven / Gradle / Ivy

// $ANTLR 3.5 org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g 2013-01-21 20:03:20

package org.antlr.v4.parse;

import org.antlr.v4.misc.*;
import org.antlr.v4.tool.*;
import org.antlr.v4.tool.ast.*;


import org.antlr.runtime.*;
import org.antlr.runtime.tree.*;
import java.util.Stack;
import java.util.List;
import java.util.ArrayList;
import java.util.Map;
import java.util.HashMap;

/** Find left-recursive rules */
@SuppressWarnings("all")
public class LeftRecursiveRuleWalker extends TreeParser {
	public static final String[] tokenNames = new String[] {
		"", "", "", "", "ACTION", "ACTION_CHAR_LITERAL", 
		"ACTION_ESC", "ACTION_STRING_LITERAL", "ARG_ACTION", "ARG_OR_CHARSET", 
		"ASSIGN", "AT", "CATCH", "COLON", "COLONCOLON", "COMMA", "COMMENT", "DOC_COMMENT", 
		"DOLLAR", "DOT", "ERRCHAR", "ESC_SEQ", "FINALLY", "FRAGMENT", "GRAMMAR", 
		"GT", "HEX_DIGIT", "ID", "IMPORT", "INT", "LEXER", "LEXER_CHAR_SET", "LOCALS", 
		"LPAREN", "LT", "MODE", "NESTED_ACTION", "NLCHARS", "NOT", "NameChar", 
		"NameStartChar", "OPTIONS", "OR", "PARSER", "PLUS", "PLUS_ASSIGN", "POUND", 
		"PRIVATE", "PROTECTED", "PUBLIC", "QUESTION", "RANGE", "RARROW", "RBRACE", 
		"RETURNS", "RPAREN", "RULE_REF", "SEMI", "SEMPRED", "SRC", "STAR", "STRING_LITERAL", 
		"SYNPRED", "THROWS", "TOKENS_SPEC", "TOKEN_REF", "TREE_GRAMMAR", "UNICODE_ESC", 
		"WS", "WSCHARS", "WSNLCHARS", "ALT", "ALTLIST", "ARG", "ARGLIST", "BLOCK", 
		"CHAR_RANGE", "CLOSURE", "COMBINED", "ELEMENT_OPTIONS", "EPSILON", "INITACTION", 
		"LABEL", "LEXER_ACTION_CALL", "LEXER_ALT_ACTION", "LIST", "OPTIONAL", 
		"POSITIVE_CLOSURE", "PREC_RULE", "RESULT", "RET", "RULE", "RULEACTIONS", 
		"RULEMODIFIERS", "RULES", "SET", "TEMPLATE", "WILDCARD"
	};
	public static final int EOF=-1;
	public static final int ACTION=4;
	public static final int ACTION_CHAR_LITERAL=5;
	public static final int ACTION_ESC=6;
	public static final int ACTION_STRING_LITERAL=7;
	public static final int ARG_ACTION=8;
	public static final int ARG_OR_CHARSET=9;
	public static final int ASSIGN=10;
	public static final int AT=11;
	public static final int CATCH=12;
	public static final int COLON=13;
	public static final int COLONCOLON=14;
	public static final int COMMA=15;
	public static final int COMMENT=16;
	public static final int DOC_COMMENT=17;
	public static final int DOLLAR=18;
	public static final int DOT=19;
	public static final int ERRCHAR=20;
	public static final int ESC_SEQ=21;
	public static final int FINALLY=22;
	public static final int FRAGMENT=23;
	public static final int GRAMMAR=24;
	public static final int GT=25;
	public static final int HEX_DIGIT=26;
	public static final int ID=27;
	public static final int IMPORT=28;
	public static final int INT=29;
	public static final int LEXER=30;
	public static final int LEXER_CHAR_SET=31;
	public static final int LOCALS=32;
	public static final int LPAREN=33;
	public static final int LT=34;
	public static final int MODE=35;
	public static final int NESTED_ACTION=36;
	public static final int NLCHARS=37;
	public static final int NOT=38;
	public static final int NameChar=39;
	public static final int NameStartChar=40;
	public static final int OPTIONS=41;
	public static final int OR=42;
	public static final int PARSER=43;
	public static final int PLUS=44;
	public static final int PLUS_ASSIGN=45;
	public static final int POUND=46;
	public static final int PRIVATE=47;
	public static final int PROTECTED=48;
	public static final int PUBLIC=49;
	public static final int QUESTION=50;
	public static final int RANGE=51;
	public static final int RARROW=52;
	public static final int RBRACE=53;
	public static final int RETURNS=54;
	public static final int RPAREN=55;
	public static final int RULE_REF=56;
	public static final int SEMI=57;
	public static final int SEMPRED=58;
	public static final int SRC=59;
	public static final int STAR=60;
	public static final int STRING_LITERAL=61;
	public static final int SYNPRED=62;
	public static final int THROWS=63;
	public static final int TOKENS_SPEC=64;
	public static final int TOKEN_REF=65;
	public static final int TREE_GRAMMAR=66;
	public static final int UNICODE_ESC=67;
	public static final int WS=68;
	public static final int WSCHARS=69;
	public static final int WSNLCHARS=70;
	public static final int ALT=71;
	public static final int ALTLIST=72;
	public static final int ARG=73;
	public static final int ARGLIST=74;
	public static final int BLOCK=75;
	public static final int CHAR_RANGE=76;
	public static final int CLOSURE=77;
	public static final int COMBINED=78;
	public static final int ELEMENT_OPTIONS=79;
	public static final int EPSILON=80;
	public static final int INITACTION=81;
	public static final int LABEL=82;
	public static final int LEXER_ACTION_CALL=83;
	public static final int LEXER_ALT_ACTION=84;
	public static final int LIST=85;
	public static final int OPTIONAL=86;
	public static final int POSITIVE_CLOSURE=87;
	public static final int PREC_RULE=88;
	public static final int RESULT=89;
	public static final int RET=90;
	public static final int RULE=91;
	public static final int RULEACTIONS=92;
	public static final int RULEMODIFIERS=93;
	public static final int RULES=94;
	public static final int SET=95;
	public static final int TEMPLATE=96;
	public static final int WILDCARD=97;

	// delegates
	public TreeParser[] getDelegates() {
		return new TreeParser[] {};
	}

	// delegators


	public LeftRecursiveRuleWalker(TreeNodeStream input) {
		this(input, new RecognizerSharedState());
	}
	public LeftRecursiveRuleWalker(TreeNodeStream input, RecognizerSharedState state) {
		super(input, state);
	}

	@Override public String[] getTokenNames() { return LeftRecursiveRuleWalker.tokenNames; }
	@Override public String getGrammarFileName() { return "org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g"; }


	private String ruleName;
	private int currentOuterAltNumber; // which outer alt of rule?
	public int numAlts;  // how many alts for this rule total?

	public void setTokenPrec(GrammarAST t, int alt) {}
	public void binaryAlt(AltAST altTree, int alt) {}
	public void ternaryAlt(AltAST altTree, int alt) {}
	public void prefixAlt(AltAST altTree, int alt) {}
	public void suffixAlt(AltAST altTree, int alt) {}
	public void otherAlt(AltAST altTree, int alt) {}
	public void setReturnValues(GrammarAST t) {}



	// $ANTLR start "rec_rule"
	// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:65:1: public rec_rule returns [boolean isLeftRec] : ^(r= RULE id= RULE_REF ( DOC_COMMENT )? ( ruleModifier )? ( ^( RETURNS a= ARG_ACTION ) )? ( ^( LOCALS ARG_ACTION ) )? ( ^( OPTIONS ( . )* ) | ^( AT ID ACTION ) )* ruleBlock exceptionGroup ) ;
	public final boolean rec_rule() throws RecognitionException {
		boolean isLeftRec = false;


		GrammarAST r=null;
		GrammarAST id=null;
		GrammarAST a=null;
		TreeRuleReturnScope ruleBlock1 =null;


			currentOuterAltNumber = 1;

		try {
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:70:2: ( ^(r= RULE id= RULE_REF ( DOC_COMMENT )? ( ruleModifier )? ( ^( RETURNS a= ARG_ACTION ) )? ( ^( LOCALS ARG_ACTION ) )? ( ^( OPTIONS ( . )* ) | ^( AT ID ACTION ) )* ruleBlock exceptionGroup ) )
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:70:4: ^(r= RULE id= RULE_REF ( DOC_COMMENT )? ( ruleModifier )? ( ^( RETURNS a= ARG_ACTION ) )? ( ^( LOCALS ARG_ACTION ) )? ( ^( OPTIONS ( . )* ) | ^( AT ID ACTION ) )* ruleBlock exceptionGroup )
			{
			r=(GrammarAST)match(input,RULE,FOLLOW_RULE_in_rec_rule72); if (state.failed) return isLeftRec;
			match(input, Token.DOWN, null); if (state.failed) return isLeftRec;
			id=(GrammarAST)match(input,RULE_REF,FOLLOW_RULE_REF_in_rec_rule76); if (state.failed) return isLeftRec;
			if ( state.backtracking==0 ) {ruleName=id.getText();}
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:71:4: ( DOC_COMMENT )?
			int alt1=2;
			int LA1_0 = input.LA(1);
			if ( (LA1_0==DOC_COMMENT) ) {
				alt1=1;
			}
			switch (alt1) {
				case 1 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:71:4: DOC_COMMENT
					{
					match(input,DOC_COMMENT,FOLLOW_DOC_COMMENT_in_rec_rule83); if (state.failed) return isLeftRec;
					}
					break;

			}

			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:71:17: ( ruleModifier )?
			int alt2=2;
			int LA2_0 = input.LA(1);
			if ( ((LA2_0 >= PRIVATE && LA2_0 <= PUBLIC)) ) {
				alt2=1;
			}
			switch (alt2) {
				case 1 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:71:17: ruleModifier
					{
					pushFollow(FOLLOW_ruleModifier_in_rec_rule86);
					ruleModifier();
					state._fsp--;
					if (state.failed) return isLeftRec;
					}
					break;

			}

			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:73:4: ( ^( RETURNS a= ARG_ACTION ) )?
			int alt3=2;
			int LA3_0 = input.LA(1);
			if ( (LA3_0==RETURNS) ) {
				alt3=1;
			}
			switch (alt3) {
				case 1 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:73:5: ^( RETURNS a= ARG_ACTION )
					{
					match(input,RETURNS,FOLLOW_RETURNS_in_rec_rule95); if (state.failed) return isLeftRec;
					match(input, Token.DOWN, null); if (state.failed) return isLeftRec;
					a=(GrammarAST)match(input,ARG_ACTION,FOLLOW_ARG_ACTION_in_rec_rule99); if (state.failed) return isLeftRec;
					if ( state.backtracking==0 ) {setReturnValues(a);}
					match(input, Token.UP, null); if (state.failed) return isLeftRec;

					}
					break;

			}

			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:75:9: ( ^( LOCALS ARG_ACTION ) )?
			int alt4=2;
			int LA4_0 = input.LA(1);
			if ( (LA4_0==LOCALS) ) {
				alt4=1;
			}
			switch (alt4) {
				case 1 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:75:11: ^( LOCALS ARG_ACTION )
					{
					match(input,LOCALS,FOLLOW_LOCALS_in_rec_rule118); if (state.failed) return isLeftRec;
					match(input, Token.DOWN, null); if (state.failed) return isLeftRec;
					match(input,ARG_ACTION,FOLLOW_ARG_ACTION_in_rec_rule120); if (state.failed) return isLeftRec;
					match(input, Token.UP, null); if (state.failed) return isLeftRec;

					}
					break;

			}

			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:76:9: ( ^( OPTIONS ( . )* ) | ^( AT ID ACTION ) )*
			loop6:
			while (true) {
				int alt6=3;
				int LA6_0 = input.LA(1);
				if ( (LA6_0==OPTIONS) ) {
					alt6=1;
				}
				else if ( (LA6_0==AT) ) {
					alt6=2;
				}

				switch (alt6) {
				case 1 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:76:11: ^( OPTIONS ( . )* )
					{
					match(input,OPTIONS,FOLLOW_OPTIONS_in_rec_rule138); if (state.failed) return isLeftRec;
					if ( input.LA(1)==Token.DOWN ) {
						match(input, Token.DOWN, null); if (state.failed) return isLeftRec;
						// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:76:21: ( . )*
						loop5:
						while (true) {
							int alt5=2;
							int LA5_0 = input.LA(1);
							if ( ((LA5_0 >= ACTION && LA5_0 <= WILDCARD)) ) {
								alt5=1;
							}
							else if ( (LA5_0==UP) ) {
								alt5=2;
							}

							switch (alt5) {
							case 1 :
								// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:76:21: .
								{
								matchAny(input); if (state.failed) return isLeftRec;
								}
								break;

							default :
								break loop5;
							}
						}

						match(input, Token.UP, null); if (state.failed) return isLeftRec;
					}

					}
					break;
				case 2 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:77:11: ^( AT ID ACTION )
					{
					match(input,AT,FOLLOW_AT_in_rec_rule155); if (state.failed) return isLeftRec;
					match(input, Token.DOWN, null); if (state.failed) return isLeftRec;
					match(input,ID,FOLLOW_ID_in_rec_rule157); if (state.failed) return isLeftRec;
					match(input,ACTION,FOLLOW_ACTION_in_rec_rule159); if (state.failed) return isLeftRec;
					match(input, Token.UP, null); if (state.failed) return isLeftRec;

					}
					break;

				default :
					break loop6;
				}
			}

			pushFollow(FOLLOW_ruleBlock_in_rec_rule175);
			ruleBlock1=ruleBlock();
			state._fsp--;
			if (state.failed) return isLeftRec;
			if ( state.backtracking==0 ) {isLeftRec = (ruleBlock1!=null?((LeftRecursiveRuleWalker.ruleBlock_return)ruleBlock1).isLeftRec:false);}
			pushFollow(FOLLOW_exceptionGroup_in_rec_rule182);
			exceptionGroup();
			state._fsp--;
			if (state.failed) return isLeftRec;
			match(input, Token.UP, null); if (state.failed) return isLeftRec;

			}

		}
		 
		finally {
			// do for sure before leaving
		}
		return isLeftRec;
	}
	// $ANTLR end "rec_rule"



	// $ANTLR start "exceptionGroup"
	// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:84:1: exceptionGroup : ( exceptionHandler )* ( finallyClause )? ;
	public final void exceptionGroup() throws RecognitionException {
		try {
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:85:5: ( ( exceptionHandler )* ( finallyClause )? )
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:85:7: ( exceptionHandler )* ( finallyClause )?
			{
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:85:7: ( exceptionHandler )*
			loop7:
			while (true) {
				int alt7=2;
				int LA7_0 = input.LA(1);
				if ( (LA7_0==CATCH) ) {
					alt7=1;
				}

				switch (alt7) {
				case 1 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:85:7: exceptionHandler
					{
					pushFollow(FOLLOW_exceptionHandler_in_exceptionGroup200);
					exceptionHandler();
					state._fsp--;
					if (state.failed) return;
					}
					break;

				default :
					break loop7;
				}
			}

			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:85:25: ( finallyClause )?
			int alt8=2;
			int LA8_0 = input.LA(1);
			if ( (LA8_0==FINALLY) ) {
				alt8=1;
			}
			switch (alt8) {
				case 1 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:85:25: finallyClause
					{
					pushFollow(FOLLOW_finallyClause_in_exceptionGroup203);
					finallyClause();
					state._fsp--;
					if (state.failed) return;
					}
					break;

			}

			}

		}
		 
		finally {
			// do for sure before leaving
		}
	}
	// $ANTLR end "exceptionGroup"



	// $ANTLR start "exceptionHandler"
	// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:88:1: exceptionHandler : ^( CATCH ARG_ACTION ACTION ) ;
	public final void exceptionHandler() throws RecognitionException {
		try {
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:89:2: ( ^( CATCH ARG_ACTION ACTION ) )
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:89:4: ^( CATCH ARG_ACTION ACTION )
			{
			match(input,CATCH,FOLLOW_CATCH_in_exceptionHandler219); if (state.failed) return;
			match(input, Token.DOWN, null); if (state.failed) return;
			match(input,ARG_ACTION,FOLLOW_ARG_ACTION_in_exceptionHandler221); if (state.failed) return;
			match(input,ACTION,FOLLOW_ACTION_in_exceptionHandler223); if (state.failed) return;
			match(input, Token.UP, null); if (state.failed) return;

			}

		}
		 
		finally {
			// do for sure before leaving
		}
	}
	// $ANTLR end "exceptionHandler"



	// $ANTLR start "finallyClause"
	// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:92:1: finallyClause : ^( FINALLY ACTION ) ;
	public final void finallyClause() throws RecognitionException {
		try {
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:93:2: ( ^( FINALLY ACTION ) )
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:93:4: ^( FINALLY ACTION )
			{
			match(input,FINALLY,FOLLOW_FINALLY_in_finallyClause236); if (state.failed) return;
			match(input, Token.DOWN, null); if (state.failed) return;
			match(input,ACTION,FOLLOW_ACTION_in_finallyClause238); if (state.failed) return;
			match(input, Token.UP, null); if (state.failed) return;

			}

		}
		 
		finally {
			// do for sure before leaving
		}
	}
	// $ANTLR end "finallyClause"



	// $ANTLR start "ruleModifier"
	// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:96:1: ruleModifier : ( PUBLIC | PRIVATE | PROTECTED );
	public final void ruleModifier() throws RecognitionException {
		try {
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:97:5: ( PUBLIC | PRIVATE | PROTECTED )
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:
			{
			if ( (input.LA(1) >= PRIVATE && input.LA(1) <= PUBLIC) ) {
				input.consume();
				state.errorRecovery=false;
				state.failed=false;
			}
			else {
				if (state.backtracking>0) {state.failed=true; return;}
				MismatchedSetException mse = new MismatchedSetException(null,input);
				throw mse;
			}
			}

		}
		 
		finally {
			// do for sure before leaving
		}
	}
	// $ANTLR end "ruleModifier"


	public static class ruleBlock_return extends TreeRuleReturnScope {
		public boolean isLeftRec;
	};


	// $ANTLR start "ruleBlock"
	// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:102:1: ruleBlock returns [boolean isLeftRec] : ^( BLOCK (o= outerAlternative )+ ) ;
	public final LeftRecursiveRuleWalker.ruleBlock_return ruleBlock() throws RecognitionException {
		LeftRecursiveRuleWalker.ruleBlock_return retval = new LeftRecursiveRuleWalker.ruleBlock_return();
		retval.start = input.LT(1);

		TreeRuleReturnScope o =null;

		boolean lr=false; this.numAlts = ((GrammarAST)retval.start).getChildCount();
		try {
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:104:2: ( ^( BLOCK (o= outerAlternative )+ ) )
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:104:4: ^( BLOCK (o= outerAlternative )+ )
			{
			match(input,BLOCK,FOLLOW_BLOCK_in_ruleBlock293); if (state.failed) return retval;
			match(input, Token.DOWN, null); if (state.failed) return retval;
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:105:4: (o= outerAlternative )+
			int cnt9=0;
			loop9:
			while (true) {
				int alt9=2;
				int LA9_0 = input.LA(1);
				if ( (LA9_0==ALT) ) {
					alt9=1;
				}

				switch (alt9) {
				case 1 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:106:5: o= outerAlternative
					{
					pushFollow(FOLLOW_outerAlternative_in_ruleBlock306);
					o=outerAlternative();
					state._fsp--;
					if (state.failed) return retval;
					if ( state.backtracking==0 ) {if ((o!=null?((LeftRecursiveRuleWalker.outerAlternative_return)o).isLeftRec:false)) retval.isLeftRec = true;}
					if ( state.backtracking==0 ) {currentOuterAltNumber++;}
					}
					break;

				default :
					if ( cnt9 >= 1 ) break loop9;
					if (state.backtracking>0) {state.failed=true; return retval;}
					EarlyExitException eee = new EarlyExitException(9, input);
					throw eee;
				}
				cnt9++;
			}

			match(input, Token.UP, null); if (state.failed) return retval;

			}

		}
		 
		finally {
			// do for sure before leaving
		}
		return retval;
	}
	// $ANTLR end "ruleBlock"


	public static class outerAlternative_return extends TreeRuleReturnScope {
		public boolean isLeftRec;
	};


	// $ANTLR start "outerAlternative"
	// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:114:1: outerAlternative returns [boolean isLeftRec] : ( ( binaryMultipleOp )=> binaryMultipleOp | ( binary )=> binary | ( ternary )=> ternary | ( prefix )=> prefix | ( suffix )=> suffix | ^( ALT ( element )+ ) );
	public final LeftRecursiveRuleWalker.outerAlternative_return outerAlternative() throws RecognitionException {
		LeftRecursiveRuleWalker.outerAlternative_return retval = new LeftRecursiveRuleWalker.outerAlternative_return();
		retval.start = input.LT(1);

		try {
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:115:5: ( ( binaryMultipleOp )=> binaryMultipleOp | ( binary )=> binary | ( ternary )=> ternary | ( prefix )=> prefix | ( suffix )=> suffix | ^( ALT ( element )+ ) )
			int alt11=6;
			int LA11_0 = input.LA(1);
			if ( (LA11_0==ALT) ) {
				int LA11_1 = input.LA(2);
				if ( (synpred1_LeftRecursiveRuleWalker()) ) {
					alt11=1;
				}
				else if ( (synpred2_LeftRecursiveRuleWalker()) ) {
					alt11=2;
				}
				else if ( (synpred3_LeftRecursiveRuleWalker()) ) {
					alt11=3;
				}
				else if ( (synpred4_LeftRecursiveRuleWalker()) ) {
					alt11=4;
				}
				else if ( (synpred5_LeftRecursiveRuleWalker()) ) {
					alt11=5;
				}
				else if ( (true) ) {
					alt11=6;
				}

			}

			else {
				if (state.backtracking>0) {state.failed=true; return retval;}
				NoViableAltException nvae =
					new NoViableAltException("", 11, 0, input);
				throw nvae;
			}

			switch (alt11) {
				case 1 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:115:9: ( binaryMultipleOp )=> binaryMultipleOp
					{
					pushFollow(FOLLOW_binaryMultipleOp_in_outerAlternative355);
					binaryMultipleOp();
					state._fsp--;
					if (state.failed) return retval;
					if ( state.backtracking==0 ) {binaryAlt((AltAST)((GrammarAST)retval.start), currentOuterAltNumber); retval.isLeftRec =true;}
					}
					break;
				case 2 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:117:9: ( binary )=> binary
					{
					pushFollow(FOLLOW_binary_in_outerAlternative411);
					binary();
					state._fsp--;
					if (state.failed) return retval;
					if ( state.backtracking==0 ) {binaryAlt((AltAST)((GrammarAST)retval.start), currentOuterAltNumber); retval.isLeftRec =true;}
					}
					break;
				case 3 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:119:9: ( ternary )=> ternary
					{
					pushFollow(FOLLOW_ternary_in_outerAlternative466);
					ternary();
					state._fsp--;
					if (state.failed) return retval;
					if ( state.backtracking==0 ) {ternaryAlt((AltAST)((GrammarAST)retval.start), currentOuterAltNumber); retval.isLeftRec =true;}
					}
					break;
				case 4 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:121:9: ( prefix )=> prefix
					{
					pushFollow(FOLLOW_prefix_in_outerAlternative522);
					prefix();
					state._fsp--;
					if (state.failed) return retval;
					if ( state.backtracking==0 ) {prefixAlt((AltAST)((GrammarAST)retval.start), currentOuterAltNumber);}
					}
					break;
				case 5 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:123:9: ( suffix )=> suffix
					{
					pushFollow(FOLLOW_suffix_in_outerAlternative578);
					suffix();
					state._fsp--;
					if (state.failed) return retval;
					if ( state.backtracking==0 ) {suffixAlt((AltAST)((GrammarAST)retval.start), currentOuterAltNumber); retval.isLeftRec =true;}
					}
					break;
				case 6 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:125:9: ^( ALT ( element )+ )
					{
					match(input,ALT,FOLLOW_ALT_in_outerAlternative620); if (state.failed) return retval;
					match(input, Token.DOWN, null); if (state.failed) return retval;
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:125:15: ( element )+
					int cnt10=0;
					loop10:
					while (true) {
						int alt10=2;
						int LA10_0 = input.LA(1);
						if ( (LA10_0==ACTION||LA10_0==ASSIGN||LA10_0==DOT||LA10_0==NOT||LA10_0==PLUS_ASSIGN||LA10_0==RANGE||LA10_0==RULE_REF||LA10_0==SEMPRED||LA10_0==STRING_LITERAL||LA10_0==TOKEN_REF||LA10_0==BLOCK||LA10_0==CLOSURE||LA10_0==EPSILON||(LA10_0 >= OPTIONAL && LA10_0 <= POSITIVE_CLOSURE)||LA10_0==SET||LA10_0==WILDCARD) ) {
							alt10=1;
						}

						switch (alt10) {
						case 1 :
							// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:125:15: element
							{
							pushFollow(FOLLOW_element_in_outerAlternative622);
							element();
							state._fsp--;
							if (state.failed) return retval;
							}
							break;

						default :
							if ( cnt10 >= 1 ) break loop10;
							if (state.backtracking>0) {state.failed=true; return retval;}
							EarlyExitException eee = new EarlyExitException(10, input);
							throw eee;
						}
						cnt10++;
					}

					match(input, Token.UP, null); if (state.failed) return retval;

					if ( state.backtracking==0 ) {otherAlt((AltAST)((GrammarAST)retval.start), currentOuterAltNumber);}
					}
					break;

			}
		}
		 
		finally {
			// do for sure before leaving
		}
		return retval;
	}
	// $ANTLR end "outerAlternative"



	// $ANTLR start "binaryMultipleOp"
	// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:130:1: binaryMultipleOp : ^( ALT recurse bops recurse ( ACTION )? ) ;
	public final void binaryMultipleOp() throws RecognitionException {
		try {
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:131:2: ( ^( ALT recurse bops recurse ( ACTION )? ) )
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:131:4: ^( ALT recurse bops recurse ( ACTION )? )
			{
			match(input,ALT,FOLLOW_ALT_in_binaryMultipleOp673); if (state.failed) return;
			match(input, Token.DOWN, null); if (state.failed) return;
			pushFollow(FOLLOW_recurse_in_binaryMultipleOp675);
			recurse();
			state._fsp--;
			if (state.failed) return;
			pushFollow(FOLLOW_bops_in_binaryMultipleOp677);
			bops();
			state._fsp--;
			if (state.failed) return;
			pushFollow(FOLLOW_recurse_in_binaryMultipleOp679);
			recurse();
			state._fsp--;
			if (state.failed) return;
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:131:32: ( ACTION )?
			int alt12=2;
			int LA12_0 = input.LA(1);
			if ( (LA12_0==ACTION) ) {
				alt12=1;
			}
			switch (alt12) {
				case 1 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:131:32: ACTION
					{
					match(input,ACTION,FOLLOW_ACTION_in_binaryMultipleOp681); if (state.failed) return;
					}
					break;

			}

			match(input, Token.UP, null); if (state.failed) return;

			}

		}
		 
		finally {
			// do for sure before leaving
		}
	}
	// $ANTLR end "binaryMultipleOp"



	// $ANTLR start "bops"
	// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:134:1: bops : ( ^( ASSIGN ID bops ) | ^( BLOCK ( ^( ALT (op= token )+ ) )+ ) | ^( SET (op= token )+ ) );
	public final void bops() throws RecognitionException {
		GrammarAST op =null;

		try {
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:134:5: ( ^( ASSIGN ID bops ) | ^( BLOCK ( ^( ALT (op= token )+ ) )+ ) | ^( SET (op= token )+ ) )
			int alt16=3;
			switch ( input.LA(1) ) {
			case ASSIGN:
				{
				alt16=1;
				}
				break;
			case BLOCK:
				{
				alt16=2;
				}
				break;
			case SET:
				{
				alt16=3;
				}
				break;
			default:
				if (state.backtracking>0) {state.failed=true; return;}
				NoViableAltException nvae =
					new NoViableAltException("", 16, 0, input);
				throw nvae;
			}
			switch (alt16) {
				case 1 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:134:9: ^( ASSIGN ID bops )
					{
					match(input,ASSIGN,FOLLOW_ASSIGN_in_bops696); if (state.failed) return;
					match(input, Token.DOWN, null); if (state.failed) return;
					match(input,ID,FOLLOW_ID_in_bops698); if (state.failed) return;
					pushFollow(FOLLOW_bops_in_bops700);
					bops();
					state._fsp--;
					if (state.failed) return;
					match(input, Token.UP, null); if (state.failed) return;

					}
					break;
				case 2 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:135:4: ^( BLOCK ( ^( ALT (op= token )+ ) )+ )
					{
					match(input,BLOCK,FOLLOW_BLOCK_in_bops708); if (state.failed) return;
					match(input, Token.DOWN, null); if (state.failed) return;
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:135:13: ( ^( ALT (op= token )+ ) )+
					int cnt14=0;
					loop14:
					while (true) {
						int alt14=2;
						int LA14_0 = input.LA(1);
						if ( (LA14_0==ALT) ) {
							alt14=1;
						}

						switch (alt14) {
						case 1 :
							// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:135:15: ^( ALT (op= token )+ )
							{
							match(input,ALT,FOLLOW_ALT_in_bops714); if (state.failed) return;
							match(input, Token.DOWN, null); if (state.failed) return;
							// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:135:22: (op= token )+
							int cnt13=0;
							loop13:
							while (true) {
								int alt13=2;
								int LA13_0 = input.LA(1);
								if ( (LA13_0==ASSIGN||LA13_0==PLUS_ASSIGN||LA13_0==STRING_LITERAL||LA13_0==TOKEN_REF) ) {
									alt13=1;
								}

								switch (alt13) {
								case 1 :
									// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:135:23: op= token
									{
									pushFollow(FOLLOW_token_in_bops719);
									op=token();
									state._fsp--;
									if (state.failed) return;
									}
									break;

								default :
									if ( cnt13 >= 1 ) break loop13;
									if (state.backtracking>0) {state.failed=true; return;}
									EarlyExitException eee = new EarlyExitException(13, input);
									throw eee;
								}
								cnt13++;
							}

							if ( state.backtracking==0 ) {setTokenPrec(op, currentOuterAltNumber);}
							match(input, Token.UP, null); if (state.failed) return;

							}
							break;

						default :
							if ( cnt14 >= 1 ) break loop14;
							if (state.backtracking>0) {state.failed=true; return;}
							EarlyExitException eee = new EarlyExitException(14, input);
							throw eee;
						}
						cnt14++;
					}

					match(input, Token.UP, null); if (state.failed) return;

					}
					break;
				case 3 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:136:9: ^( SET (op= token )+ )
					{
					match(input,SET,FOLLOW_SET_in_bops741); if (state.failed) return;
					match(input, Token.DOWN, null); if (state.failed) return;
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:136:15: (op= token )+
					int cnt15=0;
					loop15:
					while (true) {
						int alt15=2;
						int LA15_0 = input.LA(1);
						if ( (LA15_0==ASSIGN||LA15_0==PLUS_ASSIGN||LA15_0==STRING_LITERAL||LA15_0==TOKEN_REF) ) {
							alt15=1;
						}

						switch (alt15) {
						case 1 :
							// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:136:16: op= token
							{
							pushFollow(FOLLOW_token_in_bops746);
							op=token();
							state._fsp--;
							if (state.failed) return;
							}
							break;

						default :
							if ( cnt15 >= 1 ) break loop15;
							if (state.backtracking>0) {state.failed=true; return;}
							EarlyExitException eee = new EarlyExitException(15, input);
							throw eee;
						}
						cnt15++;
					}

					if ( state.backtracking==0 ) {setTokenPrec(op, currentOuterAltNumber);}
					match(input, Token.UP, null); if (state.failed) return;

					}
					break;

			}
		}
		 
		finally {
			// do for sure before leaving
		}
	}
	// $ANTLR end "bops"



	// $ANTLR start "binary"
	// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:139:1: binary : ^( ALT recurse (op= token )+ recurse ( ACTION )? ) ;
	public final void binary() throws RecognitionException {
		GrammarAST op =null;

		try {
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:140:2: ( ^( ALT recurse (op= token )+ recurse ( ACTION )? ) )
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:140:4: ^( ALT recurse (op= token )+ recurse ( ACTION )? )
			{
			match(input,ALT,FOLLOW_ALT_in_binary767); if (state.failed) return;
			match(input, Token.DOWN, null); if (state.failed) return;
			pushFollow(FOLLOW_recurse_in_binary769);
			recurse();
			state._fsp--;
			if (state.failed) return;
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:140:19: (op= token )+
			int cnt17=0;
			loop17:
			while (true) {
				int alt17=2;
				int LA17_0 = input.LA(1);
				if ( (LA17_0==ASSIGN) ) {
					int LA17_1 = input.LA(2);
					if ( (LA17_1==DOWN) ) {
						int LA17_4 = input.LA(3);
						if ( (LA17_4==ID) ) {
							int LA17_5 = input.LA(4);
							if ( (LA17_5==ASSIGN||LA17_5==PLUS_ASSIGN||LA17_5==STRING_LITERAL||LA17_5==TOKEN_REF) ) {
								alt17=1;
							}

						}

					}

				}
				else if ( (LA17_0==PLUS_ASSIGN||LA17_0==STRING_LITERAL||LA17_0==TOKEN_REF) ) {
					alt17=1;
				}

				switch (alt17) {
				case 1 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:140:20: op= token
					{
					pushFollow(FOLLOW_token_in_binary774);
					op=token();
					state._fsp--;
					if (state.failed) return;
					}
					break;

				default :
					if ( cnt17 >= 1 ) break loop17;
					if (state.backtracking>0) {state.failed=true; return;}
					EarlyExitException eee = new EarlyExitException(17, input);
					throw eee;
				}
				cnt17++;
			}

			if ( state.backtracking==0 ) {setTokenPrec(op, currentOuterAltNumber);}
			pushFollow(FOLLOW_recurse_in_binary780);
			recurse();
			state._fsp--;
			if (state.failed) return;
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:140:85: ( ACTION )?
			int alt18=2;
			int LA18_0 = input.LA(1);
			if ( (LA18_0==ACTION) ) {
				alt18=1;
			}
			switch (alt18) {
				case 1 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:140:85: ACTION
					{
					match(input,ACTION,FOLLOW_ACTION_in_binary782); if (state.failed) return;
					}
					break;

			}

			match(input, Token.UP, null); if (state.failed) return;

			}

		}
		 
		finally {
			// do for sure before leaving
		}
	}
	// $ANTLR end "binary"



	// $ANTLR start "ternary"
	// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:143:1: ternary : ^( ALT recurse op= token recurse token recurse ( ACTION )? ) ;
	public final void ternary() throws RecognitionException {
		GrammarAST op =null;

		try {
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:144:2: ( ^( ALT recurse op= token recurse token recurse ( ACTION )? ) )
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:144:4: ^( ALT recurse op= token recurse token recurse ( ACTION )? )
			{
			match(input,ALT,FOLLOW_ALT_in_ternary798); if (state.failed) return;
			match(input, Token.DOWN, null); if (state.failed) return;
			pushFollow(FOLLOW_recurse_in_ternary800);
			recurse();
			state._fsp--;
			if (state.failed) return;
			pushFollow(FOLLOW_token_in_ternary804);
			op=token();
			state._fsp--;
			if (state.failed) return;
			pushFollow(FOLLOW_recurse_in_ternary806);
			recurse();
			state._fsp--;
			if (state.failed) return;
			pushFollow(FOLLOW_token_in_ternary808);
			token();
			state._fsp--;
			if (state.failed) return;
			pushFollow(FOLLOW_recurse_in_ternary810);
			recurse();
			state._fsp--;
			if (state.failed) return;
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:144:50: ( ACTION )?
			int alt19=2;
			int LA19_0 = input.LA(1);
			if ( (LA19_0==ACTION) ) {
				alt19=1;
			}
			switch (alt19) {
				case 1 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:144:50: ACTION
					{
					match(input,ACTION,FOLLOW_ACTION_in_ternary812); if (state.failed) return;
					}
					break;

			}

			match(input, Token.UP, null); if (state.failed) return;

			if ( state.backtracking==0 ) {setTokenPrec(op, currentOuterAltNumber);}
			}

		}
		 
		finally {
			// do for sure before leaving
		}
	}
	// $ANTLR end "ternary"



	// $ANTLR start "prefix"
	// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:147:1: prefix : ^( ALT ({...}? element )+ recurse ( ACTION )? ) ;
	public final void prefix() throws RecognitionException {
		try {
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:148:2: ( ^( ALT ({...}? element )+ recurse ( ACTION )? ) )
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:148:4: ^( ALT ({...}? element )+ recurse ( ACTION )? )
			{
			match(input,ALT,FOLLOW_ALT_in_prefix830); if (state.failed) return;
			if ( state.backtracking==0 ) {setTokenPrec((GrammarAST)input.LT(1), currentOuterAltNumber);}
			match(input, Token.DOWN, null); if (state.failed) return;
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:149:4: ({...}? element )+
			int cnt20=0;
			loop20:
			while (true) {
				int alt20=2;
				switch ( input.LA(1) ) {
				case ASSIGN:
					{
					int LA20_1 = input.LA(2);
					if ( (LA20_1==DOWN) ) {
						int LA20_4 = input.LA(3);
						if ( (LA20_4==ID) ) {
							int LA20_7 = input.LA(4);
							if ( (LA20_7==RULE_REF) ) {
								int LA20_8 = input.LA(5);
								if ( (LA20_8==DOWN) ) {
									alt20=1;
								}
								else if ( (LA20_8==UP) ) {
									int LA20_9 = input.LA(6);
									if ( (LA20_9==ACTION) ) {
										int LA20_10 = input.LA(7);
										if ( (LA20_10==ACTION||LA20_10==ASSIGN||LA20_10==DOT||LA20_10==NOT||LA20_10==PLUS_ASSIGN||LA20_10==RANGE||LA20_10==RULE_REF||LA20_10==SEMPRED||LA20_10==STRING_LITERAL||LA20_10==TOKEN_REF||LA20_10==BLOCK||LA20_10==CLOSURE||LA20_10==EPSILON||(LA20_10 >= OPTIONAL && LA20_10 <= POSITIVE_CLOSURE)||LA20_10==SET||LA20_10==WILDCARD) ) {
											alt20=1;
										}

									}
									else if ( (LA20_9==ASSIGN||LA20_9==DOT||LA20_9==NOT||LA20_9==PLUS_ASSIGN||LA20_9==RANGE||LA20_9==RULE_REF||LA20_9==SEMPRED||LA20_9==STRING_LITERAL||LA20_9==TOKEN_REF||LA20_9==BLOCK||LA20_9==CLOSURE||LA20_9==EPSILON||(LA20_9 >= OPTIONAL && LA20_9 <= POSITIVE_CLOSURE)||LA20_9==SET||LA20_9==WILDCARD) ) {
										alt20=1;
									}

								}

							}
							else if ( (LA20_7==ACTION||LA20_7==ASSIGN||LA20_7==DOT||LA20_7==NOT||LA20_7==PLUS_ASSIGN||LA20_7==RANGE||LA20_7==SEMPRED||LA20_7==STRING_LITERAL||LA20_7==TOKEN_REF||LA20_7==BLOCK||LA20_7==CLOSURE||LA20_7==EPSILON||(LA20_7 >= OPTIONAL && LA20_7 <= POSITIVE_CLOSURE)||LA20_7==SET||LA20_7==WILDCARD) ) {
								alt20=1;
							}

						}

					}

					}
					break;
				case RULE_REF:
					{
					int LA20_2 = input.LA(2);
					if ( (LA20_2==DOWN||LA20_2==ASSIGN||LA20_2==DOT||LA20_2==NOT||LA20_2==PLUS_ASSIGN||LA20_2==RANGE||LA20_2==RULE_REF||LA20_2==SEMPRED||LA20_2==STRING_LITERAL||LA20_2==TOKEN_REF||LA20_2==BLOCK||LA20_2==CLOSURE||LA20_2==EPSILON||(LA20_2 >= OPTIONAL && LA20_2 <= POSITIVE_CLOSURE)||LA20_2==SET||LA20_2==WILDCARD) ) {
						alt20=1;
					}
					else if ( (LA20_2==ACTION) ) {
						int LA20_5 = input.LA(3);
						if ( (LA20_5==ACTION||LA20_5==ASSIGN||LA20_5==DOT||LA20_5==NOT||LA20_5==PLUS_ASSIGN||LA20_5==RANGE||LA20_5==RULE_REF||LA20_5==SEMPRED||LA20_5==STRING_LITERAL||LA20_5==TOKEN_REF||LA20_5==BLOCK||LA20_5==CLOSURE||LA20_5==EPSILON||(LA20_5 >= OPTIONAL && LA20_5 <= POSITIVE_CLOSURE)||LA20_5==SET||LA20_5==WILDCARD) ) {
							alt20=1;
						}

					}

					}
					break;
				case ACTION:
				case DOT:
				case NOT:
				case PLUS_ASSIGN:
				case RANGE:
				case SEMPRED:
				case STRING_LITERAL:
				case TOKEN_REF:
				case BLOCK:
				case CLOSURE:
				case EPSILON:
				case OPTIONAL:
				case POSITIVE_CLOSURE:
				case SET:
				case WILDCARD:
					{
					alt20=1;
					}
					break;
				}
				switch (alt20) {
				case 1 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:149:5: {...}? element
					{
					if ( !((!((CommonTree)input.LT(1)).getText().equals(ruleName))) ) {
						if (state.backtracking>0) {state.failed=true; return;}
						throw new FailedPredicateException(input, "prefix", "!((CommonTree)input.LT(1)).getText().equals(ruleName)");
					}
					pushFollow(FOLLOW_element_in_prefix840);
					element();
					state._fsp--;
					if (state.failed) return;
					}
					break;

				default :
					if ( cnt20 >= 1 ) break loop20;
					if (state.backtracking>0) {state.failed=true; return;}
					EarlyExitException eee = new EarlyExitException(20, input);
					throw eee;
				}
				cnt20++;
			}

			pushFollow(FOLLOW_recurse_in_prefix847);
			recurse();
			state._fsp--;
			if (state.failed) return;
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:150:12: ( ACTION )?
			int alt21=2;
			int LA21_0 = input.LA(1);
			if ( (LA21_0==ACTION) ) {
				alt21=1;
			}
			switch (alt21) {
				case 1 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:150:12: ACTION
					{
					match(input,ACTION,FOLLOW_ACTION_in_prefix849); if (state.failed) return;
					}
					break;

			}

			match(input, Token.UP, null); if (state.failed) return;

			}

		}
		 
		finally {
			// do for sure before leaving
		}
	}
	// $ANTLR end "prefix"



	// $ANTLR start "suffix"
	// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:154:1: suffix : ^( ALT recurse ( element )+ ) ;
	public final void suffix() throws RecognitionException {
		try {
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:154:8: ( ^( ALT recurse ( element )+ ) )
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:154:10: ^( ALT recurse ( element )+ )
			{
			match(input,ALT,FOLLOW_ALT_in_suffix867); if (state.failed) return;
			match(input, Token.DOWN, null); if (state.failed) return;
			pushFollow(FOLLOW_recurse_in_suffix869);
			recurse();
			state._fsp--;
			if (state.failed) return;
			if ( state.backtracking==0 ) {setTokenPrec((GrammarAST)input.LT(1), currentOuterAltNumber);}
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:154:89: ( element )+
			int cnt22=0;
			loop22:
			while (true) {
				int alt22=2;
				int LA22_0 = input.LA(1);
				if ( (LA22_0==ACTION||LA22_0==ASSIGN||LA22_0==DOT||LA22_0==NOT||LA22_0==PLUS_ASSIGN||LA22_0==RANGE||LA22_0==RULE_REF||LA22_0==SEMPRED||LA22_0==STRING_LITERAL||LA22_0==TOKEN_REF||LA22_0==BLOCK||LA22_0==CLOSURE||LA22_0==EPSILON||(LA22_0 >= OPTIONAL && LA22_0 <= POSITIVE_CLOSURE)||LA22_0==SET||LA22_0==WILDCARD) ) {
					alt22=1;
				}

				switch (alt22) {
				case 1 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:154:89: element
					{
					pushFollow(FOLLOW_element_in_suffix873);
					element();
					state._fsp--;
					if (state.failed) return;
					}
					break;

				default :
					if ( cnt22 >= 1 ) break loop22;
					if (state.backtracking>0) {state.failed=true; return;}
					EarlyExitException eee = new EarlyExitException(22, input);
					throw eee;
				}
				cnt22++;
			}

			match(input, Token.UP, null); if (state.failed) return;

			}

		}
		 
		finally {
			// do for sure before leaving
		}
	}
	// $ANTLR end "suffix"



	// $ANTLR start "recurse"
	// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:156:1: recurse : ( ^( ASSIGN ID recurseNoLabel ) | recurseNoLabel );
	public final void recurse() throws RecognitionException {
		try {
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:157:2: ( ^( ASSIGN ID recurseNoLabel ) | recurseNoLabel )
			int alt23=2;
			int LA23_0 = input.LA(1);
			if ( (LA23_0==ASSIGN) ) {
				alt23=1;
			}
			else if ( (LA23_0==RULE_REF) ) {
				alt23=2;
			}

			else {
				if (state.backtracking>0) {state.failed=true; return;}
				NoViableAltException nvae =
					new NoViableAltException("", 23, 0, input);
				throw nvae;
			}

			switch (alt23) {
				case 1 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:157:4: ^( ASSIGN ID recurseNoLabel )
					{
					match(input,ASSIGN,FOLLOW_ASSIGN_in_recurse888); if (state.failed) return;
					match(input, Token.DOWN, null); if (state.failed) return;
					match(input,ID,FOLLOW_ID_in_recurse890); if (state.failed) return;
					pushFollow(FOLLOW_recurseNoLabel_in_recurse892);
					recurseNoLabel();
					state._fsp--;
					if (state.failed) return;
					match(input, Token.UP, null); if (state.failed) return;

					}
					break;
				case 2 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:158:4: recurseNoLabel
					{
					pushFollow(FOLLOW_recurseNoLabel_in_recurse898);
					recurseNoLabel();
					state._fsp--;
					if (state.failed) return;
					}
					break;

			}
		}
		 
		finally {
			// do for sure before leaving
		}
	}
	// $ANTLR end "recurse"



	// $ANTLR start "recurseNoLabel"
	// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:161:1: recurseNoLabel :{...}? RULE_REF ;
	public final void recurseNoLabel() throws RecognitionException {
		try {
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:161:16: ({...}? RULE_REF )
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:161:18: {...}? RULE_REF
			{
			if ( !((((CommonTree)input.LT(1)).getText().equals(ruleName))) ) {
				if (state.backtracking>0) {state.failed=true; return;}
				throw new FailedPredicateException(input, "recurseNoLabel", "((CommonTree)input.LT(1)).getText().equals(ruleName)");
			}
			match(input,RULE_REF,FOLLOW_RULE_REF_in_recurseNoLabel910); if (state.failed) return;
			}

		}
		 
		finally {
			// do for sure before leaving
		}
	}
	// $ANTLR end "recurseNoLabel"



	// $ANTLR start "token"
	// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:163:1: token returns [GrammarAST t=null] : ( ^( ASSIGN ID s= token ) | ^( PLUS_ASSIGN ID s= token ) |b= STRING_LITERAL | ^(b= STRING_LITERAL elementOptions ) | ^(c= TOKEN_REF elementOptions ) |c= TOKEN_REF );
	public final GrammarAST token() throws RecognitionException {
		GrammarAST t = null;


		GrammarAST b=null;
		GrammarAST c=null;
		GrammarAST s =null;

		try {
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:164:2: ( ^( ASSIGN ID s= token ) | ^( PLUS_ASSIGN ID s= token ) |b= STRING_LITERAL | ^(b= STRING_LITERAL elementOptions ) | ^(c= TOKEN_REF elementOptions ) |c= TOKEN_REF )
			int alt24=6;
			switch ( input.LA(1) ) {
			case ASSIGN:
				{
				alt24=1;
				}
				break;
			case PLUS_ASSIGN:
				{
				alt24=2;
				}
				break;
			case STRING_LITERAL:
				{
				int LA24_3 = input.LA(2);
				if ( (LA24_3==DOWN) ) {
					alt24=4;
				}
				else if ( (LA24_3==UP||LA24_3==ASSIGN||LA24_3==PLUS_ASSIGN||LA24_3==RULE_REF||LA24_3==STRING_LITERAL||LA24_3==TOKEN_REF) ) {
					alt24=3;
				}

				else {
					if (state.backtracking>0) {state.failed=true; return t;}
					int nvaeMark = input.mark();
					try {
						input.consume();
						NoViableAltException nvae =
							new NoViableAltException("", 24, 3, input);
						throw nvae;
					} finally {
						input.rewind(nvaeMark);
					}
				}

				}
				break;
			case TOKEN_REF:
				{
				int LA24_4 = input.LA(2);
				if ( (LA24_4==DOWN) ) {
					alt24=5;
				}
				else if ( (LA24_4==UP||LA24_4==ASSIGN||LA24_4==PLUS_ASSIGN||LA24_4==RULE_REF||LA24_4==STRING_LITERAL||LA24_4==TOKEN_REF) ) {
					alt24=6;
				}

				else {
					if (state.backtracking>0) {state.failed=true; return t;}
					int nvaeMark = input.mark();
					try {
						input.consume();
						NoViableAltException nvae =
							new NoViableAltException("", 24, 4, input);
						throw nvae;
					} finally {
						input.rewind(nvaeMark);
					}
				}

				}
				break;
			default:
				if (state.backtracking>0) {state.failed=true; return t;}
				NoViableAltException nvae =
					new NoViableAltException("", 24, 0, input);
				throw nvae;
			}
			switch (alt24) {
				case 1 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:164:4: ^( ASSIGN ID s= token )
					{
					match(input,ASSIGN,FOLLOW_ASSIGN_in_token924); if (state.failed) return t;
					match(input, Token.DOWN, null); if (state.failed) return t;
					match(input,ID,FOLLOW_ID_in_token926); if (state.failed) return t;
					pushFollow(FOLLOW_token_in_token930);
					s=token();
					state._fsp--;
					if (state.failed) return t;
					if ( state.backtracking==0 ) {t = s;}
					match(input, Token.UP, null); if (state.failed) return t;

					}
					break;
				case 2 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:165:4: ^( PLUS_ASSIGN ID s= token )
					{
					match(input,PLUS_ASSIGN,FOLLOW_PLUS_ASSIGN_in_token939); if (state.failed) return t;
					match(input, Token.DOWN, null); if (state.failed) return t;
					match(input,ID,FOLLOW_ID_in_token941); if (state.failed) return t;
					pushFollow(FOLLOW_token_in_token945);
					s=token();
					state._fsp--;
					if (state.failed) return t;
					if ( state.backtracking==0 ) {t = s;}
					match(input, Token.UP, null); if (state.failed) return t;

					}
					break;
				case 3 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:166:4: b= STRING_LITERAL
					{
					b=(GrammarAST)match(input,STRING_LITERAL,FOLLOW_STRING_LITERAL_in_token955); if (state.failed) return t;
					if ( state.backtracking==0 ) {t = b;}
					}
					break;
				case 4 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:167:7: ^(b= STRING_LITERAL elementOptions )
					{
					b=(GrammarAST)match(input,STRING_LITERAL,FOLLOW_STRING_LITERAL_in_token976); if (state.failed) return t;
					match(input, Token.DOWN, null); if (state.failed) return t;
					pushFollow(FOLLOW_elementOptions_in_token978);
					elementOptions();
					state._fsp--;
					if (state.failed) return t;
					match(input, Token.UP, null); if (state.failed) return t;

					if ( state.backtracking==0 ) {t = b;}
					}
					break;
				case 5 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:168:7: ^(c= TOKEN_REF elementOptions )
					{
					c=(GrammarAST)match(input,TOKEN_REF,FOLLOW_TOKEN_REF_in_token993); if (state.failed) return t;
					match(input, Token.DOWN, null); if (state.failed) return t;
					pushFollow(FOLLOW_elementOptions_in_token995);
					elementOptions();
					state._fsp--;
					if (state.failed) return t;
					match(input, Token.UP, null); if (state.failed) return t;

					if ( state.backtracking==0 ) {t = c;}
					}
					break;
				case 6 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:169:4: c= TOKEN_REF
					{
					c=(GrammarAST)match(input,TOKEN_REF,FOLLOW_TOKEN_REF_in_token1007); if (state.failed) return t;
					if ( state.backtracking==0 ) {t = c;}
					}
					break;

			}
		}
		 
		finally {
			// do for sure before leaving
		}
		return t;
	}
	// $ANTLR end "token"



	// $ANTLR start "elementOptions"
	// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:172:1: elementOptions : ^( ELEMENT_OPTIONS ( elementOption )* ) ;
	public final void elementOptions() throws RecognitionException {
		try {
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:173:5: ( ^( ELEMENT_OPTIONS ( elementOption )* ) )
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:173:7: ^( ELEMENT_OPTIONS ( elementOption )* )
			{
			match(input,ELEMENT_OPTIONS,FOLLOW_ELEMENT_OPTIONS_in_elementOptions1037); if (state.failed) return;
			if ( input.LA(1)==Token.DOWN ) {
				match(input, Token.DOWN, null); if (state.failed) return;
				// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:173:25: ( elementOption )*
				loop25:
				while (true) {
					int alt25=2;
					int LA25_0 = input.LA(1);
					if ( (LA25_0==ASSIGN||LA25_0==ID) ) {
						alt25=1;
					}

					switch (alt25) {
					case 1 :
						// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:173:25: elementOption
						{
						pushFollow(FOLLOW_elementOption_in_elementOptions1039);
						elementOption();
						state._fsp--;
						if (state.failed) return;
						}
						break;

					default :
						break loop25;
					}
				}

				match(input, Token.UP, null); if (state.failed) return;
			}

			}

		}
		 
		finally {
			// do for sure before leaving
		}
	}
	// $ANTLR end "elementOptions"



	// $ANTLR start "elementOption"
	// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:176:1: elementOption : ( ID | ^( ASSIGN ID ID ) | ^( ASSIGN ID STRING_LITERAL ) | ^( ASSIGN ID ACTION ) | ^( ASSIGN ID INT ) );
	public final void elementOption() throws RecognitionException {
		try {
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:177:5: ( ID | ^( ASSIGN ID ID ) | ^( ASSIGN ID STRING_LITERAL ) | ^( ASSIGN ID ACTION ) | ^( ASSIGN ID INT ) )
			int alt26=5;
			int LA26_0 = input.LA(1);
			if ( (LA26_0==ID) ) {
				alt26=1;
			}
			else if ( (LA26_0==ASSIGN) ) {
				int LA26_2 = input.LA(2);
				if ( (LA26_2==DOWN) ) {
					int LA26_3 = input.LA(3);
					if ( (LA26_3==ID) ) {
						switch ( input.LA(4) ) {
						case ID:
							{
							alt26=2;
							}
							break;
						case STRING_LITERAL:
							{
							alt26=3;
							}
							break;
						case ACTION:
							{
							alt26=4;
							}
							break;
						case INT:
							{
							alt26=5;
							}
							break;
						default:
							if (state.backtracking>0) {state.failed=true; return;}
							int nvaeMark = input.mark();
							try {
								for (int nvaeConsume = 0; nvaeConsume < 4 - 1; nvaeConsume++) {
									input.consume();
								}
								NoViableAltException nvae =
									new NoViableAltException("", 26, 4, input);
								throw nvae;
							} finally {
								input.rewind(nvaeMark);
							}
						}
					}

					else {
						if (state.backtracking>0) {state.failed=true; return;}
						int nvaeMark = input.mark();
						try {
							for (int nvaeConsume = 0; nvaeConsume < 3 - 1; nvaeConsume++) {
								input.consume();
							}
							NoViableAltException nvae =
								new NoViableAltException("", 26, 3, input);
							throw nvae;
						} finally {
							input.rewind(nvaeMark);
						}
					}

				}

				else {
					if (state.backtracking>0) {state.failed=true; return;}
					int nvaeMark = input.mark();
					try {
						input.consume();
						NoViableAltException nvae =
							new NoViableAltException("", 26, 2, input);
						throw nvae;
					} finally {
						input.rewind(nvaeMark);
					}
				}

			}

			else {
				if (state.backtracking>0) {state.failed=true; return;}
				NoViableAltException nvae =
					new NoViableAltException("", 26, 0, input);
				throw nvae;
			}

			switch (alt26) {
				case 1 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:177:7: ID
					{
					match(input,ID,FOLLOW_ID_in_elementOption1058); if (state.failed) return;
					}
					break;
				case 2 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:178:9: ^( ASSIGN ID ID )
					{
					match(input,ASSIGN,FOLLOW_ASSIGN_in_elementOption1069); if (state.failed) return;
					match(input, Token.DOWN, null); if (state.failed) return;
					match(input,ID,FOLLOW_ID_in_elementOption1071); if (state.failed) return;
					match(input,ID,FOLLOW_ID_in_elementOption1073); if (state.failed) return;
					match(input, Token.UP, null); if (state.failed) return;

					}
					break;
				case 3 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:179:9: ^( ASSIGN ID STRING_LITERAL )
					{
					match(input,ASSIGN,FOLLOW_ASSIGN_in_elementOption1085); if (state.failed) return;
					match(input, Token.DOWN, null); if (state.failed) return;
					match(input,ID,FOLLOW_ID_in_elementOption1087); if (state.failed) return;
					match(input,STRING_LITERAL,FOLLOW_STRING_LITERAL_in_elementOption1089); if (state.failed) return;
					match(input, Token.UP, null); if (state.failed) return;

					}
					break;
				case 4 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:180:9: ^( ASSIGN ID ACTION )
					{
					match(input,ASSIGN,FOLLOW_ASSIGN_in_elementOption1101); if (state.failed) return;
					match(input, Token.DOWN, null); if (state.failed) return;
					match(input,ID,FOLLOW_ID_in_elementOption1103); if (state.failed) return;
					match(input,ACTION,FOLLOW_ACTION_in_elementOption1105); if (state.failed) return;
					match(input, Token.UP, null); if (state.failed) return;

					}
					break;
				case 5 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:181:9: ^( ASSIGN ID INT )
					{
					match(input,ASSIGN,FOLLOW_ASSIGN_in_elementOption1117); if (state.failed) return;
					match(input, Token.DOWN, null); if (state.failed) return;
					match(input,ID,FOLLOW_ID_in_elementOption1119); if (state.failed) return;
					match(input,INT,FOLLOW_INT_in_elementOption1121); if (state.failed) return;
					match(input, Token.UP, null); if (state.failed) return;

					}
					break;

			}
		}
		 
		finally {
			// do for sure before leaving
		}
	}
	// $ANTLR end "elementOption"



	// $ANTLR start "element"
	// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:184:1: element : ( atom | ^( NOT element ) | ^( RANGE atom atom ) | ^( ASSIGN ID element ) | ^( PLUS_ASSIGN ID element ) | ^( SET ( setElement )+ ) | RULE_REF | ebnf | ACTION | SEMPRED | EPSILON );
	public final void element() throws RecognitionException {
		try {
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:185:2: ( atom | ^( NOT element ) | ^( RANGE atom atom ) | ^( ASSIGN ID element ) | ^( PLUS_ASSIGN ID element ) | ^( SET ( setElement )+ ) | RULE_REF | ebnf | ACTION | SEMPRED | EPSILON )
			int alt28=11;
			switch ( input.LA(1) ) {
			case RULE_REF:
				{
				int LA28_1 = input.LA(2);
				if ( (LA28_1==DOWN) ) {
					alt28=1;
				}
				else if ( ((LA28_1 >= UP && LA28_1 <= ACTION)||LA28_1==ASSIGN||LA28_1==DOT||LA28_1==NOT||LA28_1==PLUS_ASSIGN||LA28_1==RANGE||LA28_1==RULE_REF||LA28_1==SEMPRED||LA28_1==STRING_LITERAL||LA28_1==TOKEN_REF||LA28_1==BLOCK||LA28_1==CLOSURE||LA28_1==EPSILON||(LA28_1 >= OPTIONAL && LA28_1 <= POSITIVE_CLOSURE)||LA28_1==SET||LA28_1==WILDCARD) ) {
					alt28=7;
				}

				else {
					if (state.backtracking>0) {state.failed=true; return;}
					int nvaeMark = input.mark();
					try {
						input.consume();
						NoViableAltException nvae =
							new NoViableAltException("", 28, 1, input);
						throw nvae;
					} finally {
						input.rewind(nvaeMark);
					}
				}

				}
				break;
			case DOT:
			case STRING_LITERAL:
			case TOKEN_REF:
			case WILDCARD:
				{
				alt28=1;
				}
				break;
			case NOT:
				{
				alt28=2;
				}
				break;
			case RANGE:
				{
				alt28=3;
				}
				break;
			case ASSIGN:
				{
				alt28=4;
				}
				break;
			case PLUS_ASSIGN:
				{
				alt28=5;
				}
				break;
			case SET:
				{
				alt28=6;
				}
				break;
			case BLOCK:
			case CLOSURE:
			case OPTIONAL:
			case POSITIVE_CLOSURE:
				{
				alt28=8;
				}
				break;
			case ACTION:
				{
				alt28=9;
				}
				break;
			case SEMPRED:
				{
				alt28=10;
				}
				break;
			case EPSILON:
				{
				alt28=11;
				}
				break;
			default:
				if (state.backtracking>0) {state.failed=true; return;}
				NoViableAltException nvae =
					new NoViableAltException("", 28, 0, input);
				throw nvae;
			}
			switch (alt28) {
				case 1 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:185:4: atom
					{
					pushFollow(FOLLOW_atom_in_element1136);
					atom();
					state._fsp--;
					if (state.failed) return;
					}
					break;
				case 2 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:186:4: ^( NOT element )
					{
					match(input,NOT,FOLLOW_NOT_in_element1142); if (state.failed) return;
					match(input, Token.DOWN, null); if (state.failed) return;
					pushFollow(FOLLOW_element_in_element1144);
					element();
					state._fsp--;
					if (state.failed) return;
					match(input, Token.UP, null); if (state.failed) return;

					}
					break;
				case 3 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:187:4: ^( RANGE atom atom )
					{
					match(input,RANGE,FOLLOW_RANGE_in_element1151); if (state.failed) return;
					match(input, Token.DOWN, null); if (state.failed) return;
					pushFollow(FOLLOW_atom_in_element1153);
					atom();
					state._fsp--;
					if (state.failed) return;
					pushFollow(FOLLOW_atom_in_element1155);
					atom();
					state._fsp--;
					if (state.failed) return;
					match(input, Token.UP, null); if (state.failed) return;

					}
					break;
				case 4 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:188:4: ^( ASSIGN ID element )
					{
					match(input,ASSIGN,FOLLOW_ASSIGN_in_element1162); if (state.failed) return;
					match(input, Token.DOWN, null); if (state.failed) return;
					match(input,ID,FOLLOW_ID_in_element1164); if (state.failed) return;
					pushFollow(FOLLOW_element_in_element1166);
					element();
					state._fsp--;
					if (state.failed) return;
					match(input, Token.UP, null); if (state.failed) return;

					}
					break;
				case 5 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:189:4: ^( PLUS_ASSIGN ID element )
					{
					match(input,PLUS_ASSIGN,FOLLOW_PLUS_ASSIGN_in_element1173); if (state.failed) return;
					match(input, Token.DOWN, null); if (state.failed) return;
					match(input,ID,FOLLOW_ID_in_element1175); if (state.failed) return;
					pushFollow(FOLLOW_element_in_element1177);
					element();
					state._fsp--;
					if (state.failed) return;
					match(input, Token.UP, null); if (state.failed) return;

					}
					break;
				case 6 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:190:7: ^( SET ( setElement )+ )
					{
					match(input,SET,FOLLOW_SET_in_element1187); if (state.failed) return;
					match(input, Token.DOWN, null); if (state.failed) return;
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:190:13: ( setElement )+
					int cnt27=0;
					loop27:
					while (true) {
						int alt27=2;
						int LA27_0 = input.LA(1);
						if ( (LA27_0==STRING_LITERAL||LA27_0==TOKEN_REF) ) {
							alt27=1;
						}

						switch (alt27) {
						case 1 :
							// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:190:13: setElement
							{
							pushFollow(FOLLOW_setElement_in_element1189);
							setElement();
							state._fsp--;
							if (state.failed) return;
							}
							break;

						default :
							if ( cnt27 >= 1 ) break loop27;
							if (state.backtracking>0) {state.failed=true; return;}
							EarlyExitException eee = new EarlyExitException(27, input);
							throw eee;
						}
						cnt27++;
					}

					match(input, Token.UP, null); if (state.failed) return;

					}
					break;
				case 7 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:191:9: RULE_REF
					{
					match(input,RULE_REF,FOLLOW_RULE_REF_in_element1201); if (state.failed) return;
					}
					break;
				case 8 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:192:4: ebnf
					{
					pushFollow(FOLLOW_ebnf_in_element1206);
					ebnf();
					state._fsp--;
					if (state.failed) return;
					}
					break;
				case 9 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:193:4: ACTION
					{
					match(input,ACTION,FOLLOW_ACTION_in_element1211); if (state.failed) return;
					}
					break;
				case 10 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:194:4: SEMPRED
					{
					match(input,SEMPRED,FOLLOW_SEMPRED_in_element1216); if (state.failed) return;
					}
					break;
				case 11 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:195:4: EPSILON
					{
					match(input,EPSILON,FOLLOW_EPSILON_in_element1221); if (state.failed) return;
					}
					break;

			}
		}
		 
		finally {
			// do for sure before leaving
		}
	}
	// $ANTLR end "element"



	// $ANTLR start "setElement"
	// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:198:1: setElement : ( STRING_LITERAL | TOKEN_REF );
	public final void setElement() throws RecognitionException {
		try {
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:199:2: ( STRING_LITERAL | TOKEN_REF )
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:
			{
			if ( input.LA(1)==STRING_LITERAL||input.LA(1)==TOKEN_REF ) {
				input.consume();
				state.errorRecovery=false;
				state.failed=false;
			}
			else {
				if (state.backtracking>0) {state.failed=true; return;}
				MismatchedSetException mse = new MismatchedSetException(null,input);
				throw mse;
			}
			}

		}
		 
		finally {
			// do for sure before leaving
		}
	}
	// $ANTLR end "setElement"



	// $ANTLR start "ebnf"
	// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:203:1: ebnf : ( block | ^( OPTIONAL block ) | ^( CLOSURE block ) | ^( POSITIVE_CLOSURE block ) );
	public final void ebnf() throws RecognitionException {
		try {
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:203:5: ( block | ^( OPTIONAL block ) | ^( CLOSURE block ) | ^( POSITIVE_CLOSURE block ) )
			int alt29=4;
			switch ( input.LA(1) ) {
			case BLOCK:
				{
				alt29=1;
				}
				break;
			case OPTIONAL:
				{
				alt29=2;
				}
				break;
			case CLOSURE:
				{
				alt29=3;
				}
				break;
			case POSITIVE_CLOSURE:
				{
				alt29=4;
				}
				break;
			default:
				if (state.backtracking>0) {state.failed=true; return;}
				NoViableAltException nvae =
					new NoViableAltException("", 29, 0, input);
				throw nvae;
			}
			switch (alt29) {
				case 1 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:203:9: block
					{
					pushFollow(FOLLOW_block_in_ebnf1248);
					block();
					state._fsp--;
					if (state.failed) return;
					}
					break;
				case 2 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:204:9: ^( OPTIONAL block )
					{
					match(input,OPTIONAL,FOLLOW_OPTIONAL_in_ebnf1260); if (state.failed) return;
					match(input, Token.DOWN, null); if (state.failed) return;
					pushFollow(FOLLOW_block_in_ebnf1262);
					block();
					state._fsp--;
					if (state.failed) return;
					match(input, Token.UP, null); if (state.failed) return;

					}
					break;
				case 3 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:205:9: ^( CLOSURE block )
					{
					match(input,CLOSURE,FOLLOW_CLOSURE_in_ebnf1276); if (state.failed) return;
					match(input, Token.DOWN, null); if (state.failed) return;
					pushFollow(FOLLOW_block_in_ebnf1278);
					block();
					state._fsp--;
					if (state.failed) return;
					match(input, Token.UP, null); if (state.failed) return;

					}
					break;
				case 4 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:206:9: ^( POSITIVE_CLOSURE block )
					{
					match(input,POSITIVE_CLOSURE,FOLLOW_POSITIVE_CLOSURE_in_ebnf1292); if (state.failed) return;
					match(input, Token.DOWN, null); if (state.failed) return;
					pushFollow(FOLLOW_block_in_ebnf1294);
					block();
					state._fsp--;
					if (state.failed) return;
					match(input, Token.UP, null); if (state.failed) return;

					}
					break;

			}
		}
		 
		finally {
			// do for sure before leaving
		}
	}
	// $ANTLR end "ebnf"



	// $ANTLR start "block"
	// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:209:1: block : ^( BLOCK ( ACTION )? ( alternative )+ ) ;
	public final void block() throws RecognitionException {
		try {
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:210:5: ( ^( BLOCK ( ACTION )? ( alternative )+ ) )
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:210:7: ^( BLOCK ( ACTION )? ( alternative )+ )
			{
			match(input,BLOCK,FOLLOW_BLOCK_in_block1314); if (state.failed) return;
			match(input, Token.DOWN, null); if (state.failed) return;
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:210:15: ( ACTION )?
			int alt30=2;
			int LA30_0 = input.LA(1);
			if ( (LA30_0==ACTION) ) {
				alt30=1;
			}
			switch (alt30) {
				case 1 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:210:15: ACTION
					{
					match(input,ACTION,FOLLOW_ACTION_in_block1316); if (state.failed) return;
					}
					break;

			}

			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:210:23: ( alternative )+
			int cnt31=0;
			loop31:
			while (true) {
				int alt31=2;
				int LA31_0 = input.LA(1);
				if ( (LA31_0==ALT) ) {
					alt31=1;
				}

				switch (alt31) {
				case 1 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:210:23: alternative
					{
					pushFollow(FOLLOW_alternative_in_block1319);
					alternative();
					state._fsp--;
					if (state.failed) return;
					}
					break;

				default :
					if ( cnt31 >= 1 ) break loop31;
					if (state.backtracking>0) {state.failed=true; return;}
					EarlyExitException eee = new EarlyExitException(31, input);
					throw eee;
				}
				cnt31++;
			}

			match(input, Token.UP, null); if (state.failed) return;

			}

		}
		 
		finally {
			// do for sure before leaving
		}
	}
	// $ANTLR end "block"



	// $ANTLR start "alternative"
	// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:213:1: alternative : ^( ALT ( element )+ ) ;
	public final void alternative() throws RecognitionException {
		try {
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:214:2: ( ^( ALT ( element )+ ) )
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:214:4: ^( ALT ( element )+ )
			{
			match(input,ALT,FOLLOW_ALT_in_alternative1336); if (state.failed) return;
			match(input, Token.DOWN, null); if (state.failed) return;
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:214:10: ( element )+
			int cnt32=0;
			loop32:
			while (true) {
				int alt32=2;
				int LA32_0 = input.LA(1);
				if ( (LA32_0==ACTION||LA32_0==ASSIGN||LA32_0==DOT||LA32_0==NOT||LA32_0==PLUS_ASSIGN||LA32_0==RANGE||LA32_0==RULE_REF||LA32_0==SEMPRED||LA32_0==STRING_LITERAL||LA32_0==TOKEN_REF||LA32_0==BLOCK||LA32_0==CLOSURE||LA32_0==EPSILON||(LA32_0 >= OPTIONAL && LA32_0 <= POSITIVE_CLOSURE)||LA32_0==SET||LA32_0==WILDCARD) ) {
					alt32=1;
				}

				switch (alt32) {
				case 1 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:214:10: element
					{
					pushFollow(FOLLOW_element_in_alternative1338);
					element();
					state._fsp--;
					if (state.failed) return;
					}
					break;

				default :
					if ( cnt32 >= 1 ) break loop32;
					if (state.backtracking>0) {state.failed=true; return;}
					EarlyExitException eee = new EarlyExitException(32, input);
					throw eee;
				}
				cnt32++;
			}

			match(input, Token.UP, null); if (state.failed) return;

			}

		}
		 
		finally {
			// do for sure before leaving
		}
	}
	// $ANTLR end "alternative"



	// $ANTLR start "atom"
	// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:217:1: atom : ( ^( RULE_REF ( ARG_ACTION )? ( elementOptions )? ) | ^( STRING_LITERAL elementOptions ) | STRING_LITERAL | ^( TOKEN_REF elementOptions ) | TOKEN_REF | ^( WILDCARD elementOptions ) | WILDCARD | ^( DOT ID element ) );
	public final void atom() throws RecognitionException {
		try {
			// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:218:2: ( ^( RULE_REF ( ARG_ACTION )? ( elementOptions )? ) | ^( STRING_LITERAL elementOptions ) | STRING_LITERAL | ^( TOKEN_REF elementOptions ) | TOKEN_REF | ^( WILDCARD elementOptions ) | WILDCARD | ^( DOT ID element ) )
			int alt35=8;
			switch ( input.LA(1) ) {
			case RULE_REF:
				{
				alt35=1;
				}
				break;
			case STRING_LITERAL:
				{
				int LA35_2 = input.LA(2);
				if ( (LA35_2==DOWN) ) {
					alt35=2;
				}
				else if ( ((LA35_2 >= UP && LA35_2 <= ACTION)||LA35_2==ASSIGN||LA35_2==DOT||LA35_2==NOT||LA35_2==PLUS_ASSIGN||LA35_2==RANGE||LA35_2==RULE_REF||LA35_2==SEMPRED||LA35_2==STRING_LITERAL||LA35_2==TOKEN_REF||LA35_2==BLOCK||LA35_2==CLOSURE||LA35_2==EPSILON||(LA35_2 >= OPTIONAL && LA35_2 <= POSITIVE_CLOSURE)||LA35_2==SET||LA35_2==WILDCARD) ) {
					alt35=3;
				}

				else {
					if (state.backtracking>0) {state.failed=true; return;}
					int nvaeMark = input.mark();
					try {
						input.consume();
						NoViableAltException nvae =
							new NoViableAltException("", 35, 2, input);
						throw nvae;
					} finally {
						input.rewind(nvaeMark);
					}
				}

				}
				break;
			case TOKEN_REF:
				{
				int LA35_3 = input.LA(2);
				if ( (LA35_3==DOWN) ) {
					alt35=4;
				}
				else if ( ((LA35_3 >= UP && LA35_3 <= ACTION)||LA35_3==ASSIGN||LA35_3==DOT||LA35_3==NOT||LA35_3==PLUS_ASSIGN||LA35_3==RANGE||LA35_3==RULE_REF||LA35_3==SEMPRED||LA35_3==STRING_LITERAL||LA35_3==TOKEN_REF||LA35_3==BLOCK||LA35_3==CLOSURE||LA35_3==EPSILON||(LA35_3 >= OPTIONAL && LA35_3 <= POSITIVE_CLOSURE)||LA35_3==SET||LA35_3==WILDCARD) ) {
					alt35=5;
				}

				else {
					if (state.backtracking>0) {state.failed=true; return;}
					int nvaeMark = input.mark();
					try {
						input.consume();
						NoViableAltException nvae =
							new NoViableAltException("", 35, 3, input);
						throw nvae;
					} finally {
						input.rewind(nvaeMark);
					}
				}

				}
				break;
			case WILDCARD:
				{
				int LA35_4 = input.LA(2);
				if ( (LA35_4==DOWN) ) {
					alt35=6;
				}
				else if ( ((LA35_4 >= UP && LA35_4 <= ACTION)||LA35_4==ASSIGN||LA35_4==DOT||LA35_4==NOT||LA35_4==PLUS_ASSIGN||LA35_4==RANGE||LA35_4==RULE_REF||LA35_4==SEMPRED||LA35_4==STRING_LITERAL||LA35_4==TOKEN_REF||LA35_4==BLOCK||LA35_4==CLOSURE||LA35_4==EPSILON||(LA35_4 >= OPTIONAL && LA35_4 <= POSITIVE_CLOSURE)||LA35_4==SET||LA35_4==WILDCARD) ) {
					alt35=7;
				}

				else {
					if (state.backtracking>0) {state.failed=true; return;}
					int nvaeMark = input.mark();
					try {
						input.consume();
						NoViableAltException nvae =
							new NoViableAltException("", 35, 4, input);
						throw nvae;
					} finally {
						input.rewind(nvaeMark);
					}
				}

				}
				break;
			case DOT:
				{
				alt35=8;
				}
				break;
			default:
				if (state.backtracking>0) {state.failed=true; return;}
				NoViableAltException nvae =
					new NoViableAltException("", 35, 0, input);
				throw nvae;
			}
			switch (alt35) {
				case 1 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:218:4: ^( RULE_REF ( ARG_ACTION )? ( elementOptions )? )
					{
					match(input,RULE_REF,FOLLOW_RULE_REF_in_atom1355); if (state.failed) return;
					if ( input.LA(1)==Token.DOWN ) {
						match(input, Token.DOWN, null); if (state.failed) return;
						// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:218:15: ( ARG_ACTION )?
						int alt33=2;
						int LA33_0 = input.LA(1);
						if ( (LA33_0==ARG_ACTION) ) {
							alt33=1;
						}
						switch (alt33) {
							case 1 :
								// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:218:15: ARG_ACTION
								{
								match(input,ARG_ACTION,FOLLOW_ARG_ACTION_in_atom1357); if (state.failed) return;
								}
								break;

						}

						// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:218:27: ( elementOptions )?
						int alt34=2;
						int LA34_0 = input.LA(1);
						if ( (LA34_0==ELEMENT_OPTIONS) ) {
							alt34=1;
						}
						switch (alt34) {
							case 1 :
								// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:218:27: elementOptions
								{
								pushFollow(FOLLOW_elementOptions_in_atom1360);
								elementOptions();
								state._fsp--;
								if (state.failed) return;
								}
								break;

						}

						match(input, Token.UP, null); if (state.failed) return;
					}

					}
					break;
				case 2 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:219:8: ^( STRING_LITERAL elementOptions )
					{
					match(input,STRING_LITERAL,FOLLOW_STRING_LITERAL_in_atom1372); if (state.failed) return;
					match(input, Token.DOWN, null); if (state.failed) return;
					pushFollow(FOLLOW_elementOptions_in_atom1374);
					elementOptions();
					state._fsp--;
					if (state.failed) return;
					match(input, Token.UP, null); if (state.failed) return;

					}
					break;
				case 3 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:220:4: STRING_LITERAL
					{
					match(input,STRING_LITERAL,FOLLOW_STRING_LITERAL_in_atom1380); if (state.failed) return;
					}
					break;
				case 4 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:221:7: ^( TOKEN_REF elementOptions )
					{
					match(input,TOKEN_REF,FOLLOW_TOKEN_REF_in_atom1389); if (state.failed) return;
					match(input, Token.DOWN, null); if (state.failed) return;
					pushFollow(FOLLOW_elementOptions_in_atom1391);
					elementOptions();
					state._fsp--;
					if (state.failed) return;
					match(input, Token.UP, null); if (state.failed) return;

					}
					break;
				case 5 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:222:4: TOKEN_REF
					{
					match(input,TOKEN_REF,FOLLOW_TOKEN_REF_in_atom1397); if (state.failed) return;
					}
					break;
				case 6 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:223:7: ^( WILDCARD elementOptions )
					{
					match(input,WILDCARD,FOLLOW_WILDCARD_in_atom1406); if (state.failed) return;
					match(input, Token.DOWN, null); if (state.failed) return;
					pushFollow(FOLLOW_elementOptions_in_atom1408);
					elementOptions();
					state._fsp--;
					if (state.failed) return;
					match(input, Token.UP, null); if (state.failed) return;

					}
					break;
				case 7 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:224:4: WILDCARD
					{
					match(input,WILDCARD,FOLLOW_WILDCARD_in_atom1414); if (state.failed) return;
					}
					break;
				case 8 :
					// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:225:4: ^( DOT ID element )
					{
					match(input,DOT,FOLLOW_DOT_in_atom1420); if (state.failed) return;
					match(input, Token.DOWN, null); if (state.failed) return;
					match(input,ID,FOLLOW_ID_in_atom1422); if (state.failed) return;
					pushFollow(FOLLOW_element_in_atom1424);
					element();
					state._fsp--;
					if (state.failed) return;
					match(input, Token.UP, null); if (state.failed) return;

					}
					break;

			}
		}
		 
		finally {
			// do for sure before leaving
		}
	}
	// $ANTLR end "atom"

	// $ANTLR start synpred1_LeftRecursiveRuleWalker
	public final void synpred1_LeftRecursiveRuleWalker_fragment() throws RecognitionException {
		// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:115:9: ( binaryMultipleOp )
		// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:115:10: binaryMultipleOp
		{
		pushFollow(FOLLOW_binaryMultipleOp_in_synpred1_LeftRecursiveRuleWalker351);
		binaryMultipleOp();
		state._fsp--;
		if (state.failed) return;
		}

	}
	// $ANTLR end synpred1_LeftRecursiveRuleWalker

	// $ANTLR start synpred2_LeftRecursiveRuleWalker
	public final void synpred2_LeftRecursiveRuleWalker_fragment() throws RecognitionException {
		// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:117:9: ( binary )
		// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:117:10: binary
		{
		pushFollow(FOLLOW_binary_in_synpred2_LeftRecursiveRuleWalker397);
		binary();
		state._fsp--;
		if (state.failed) return;
		}

	}
	// $ANTLR end synpred2_LeftRecursiveRuleWalker

	// $ANTLR start synpred3_LeftRecursiveRuleWalker
	public final void synpred3_LeftRecursiveRuleWalker_fragment() throws RecognitionException {
		// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:119:9: ( ternary )
		// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:119:10: ternary
		{
		pushFollow(FOLLOW_ternary_in_synpred3_LeftRecursiveRuleWalker453);
		ternary();
		state._fsp--;
		if (state.failed) return;
		}

	}
	// $ANTLR end synpred3_LeftRecursiveRuleWalker

	// $ANTLR start synpred4_LeftRecursiveRuleWalker
	public final void synpred4_LeftRecursiveRuleWalker_fragment() throws RecognitionException {
		// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:121:9: ( prefix )
		// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:121:10: prefix
		{
		pushFollow(FOLLOW_prefix_in_synpred4_LeftRecursiveRuleWalker508);
		prefix();
		state._fsp--;
		if (state.failed) return;
		}

	}
	// $ANTLR end synpred4_LeftRecursiveRuleWalker

	// $ANTLR start synpred5_LeftRecursiveRuleWalker
	public final void synpred5_LeftRecursiveRuleWalker_fragment() throws RecognitionException {
		// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:123:9: ( suffix )
		// org\\antlr\\v4\\parse\\LeftRecursiveRuleWalker.g:123:10: suffix
		{
		pushFollow(FOLLOW_suffix_in_synpred5_LeftRecursiveRuleWalker564);
		suffix();
		state._fsp--;
		if (state.failed) return;
		}

	}
	// $ANTLR end synpred5_LeftRecursiveRuleWalker

	// Delegated rules

	public final boolean synpred5_LeftRecursiveRuleWalker() {
		state.backtracking++;
		int start = input.mark();
		try {
			synpred5_LeftRecursiveRuleWalker_fragment(); // can never throw exception
		} catch (RecognitionException re) {
			System.err.println("impossible: "+re);
		}
		boolean success = !state.failed;
		input.rewind(start);
		state.backtracking--;
		state.failed=false;
		return success;
	}
	public final boolean synpred4_LeftRecursiveRuleWalker() {
		state.backtracking++;
		int start = input.mark();
		try {
			synpred4_LeftRecursiveRuleWalker_fragment(); // can never throw exception
		} catch (RecognitionException re) {
			System.err.println("impossible: "+re);
		}
		boolean success = !state.failed;
		input.rewind(start);
		state.backtracking--;
		state.failed=false;
		return success;
	}
	public final boolean synpred2_LeftRecursiveRuleWalker() {
		state.backtracking++;
		int start = input.mark();
		try {
			synpred2_LeftRecursiveRuleWalker_fragment(); // can never throw exception
		} catch (RecognitionException re) {
			System.err.println("impossible: "+re);
		}
		boolean success = !state.failed;
		input.rewind(start);
		state.backtracking--;
		state.failed=false;
		return success;
	}
	public final boolean synpred1_LeftRecursiveRuleWalker() {
		state.backtracking++;
		int start = input.mark();
		try {
			synpred1_LeftRecursiveRuleWalker_fragment(); // can never throw exception
		} catch (RecognitionException re) {
			System.err.println("impossible: "+re);
		}
		boolean success = !state.failed;
		input.rewind(start);
		state.backtracking--;
		state.failed=false;
		return success;
	}
	public final boolean synpred3_LeftRecursiveRuleWalker() {
		state.backtracking++;
		int start = input.mark();
		try {
			synpred3_LeftRecursiveRuleWalker_fragment(); // can never throw exception
		} catch (RecognitionException re) {
			System.err.println("impossible: "+re);
		}
		boolean success = !state.failed;
		input.rewind(start);
		state.backtracking--;
		state.failed=false;
		return success;
	}



	public static final BitSet FOLLOW_RULE_in_rec_rule72 = new BitSet(new long[]{0x0000000000000004L});
	public static final BitSet FOLLOW_RULE_REF_in_rec_rule76 = new BitSet(new long[]{0x0043820100020800L,0x0000000000000800L});
	public static final BitSet FOLLOW_DOC_COMMENT_in_rec_rule83 = new BitSet(new long[]{0x0043820100000800L,0x0000000000000800L});
	public static final BitSet FOLLOW_ruleModifier_in_rec_rule86 = new BitSet(new long[]{0x0040020100000800L,0x0000000000000800L});
	public static final BitSet FOLLOW_RETURNS_in_rec_rule95 = new BitSet(new long[]{0x0000000000000004L});
	public static final BitSet FOLLOW_ARG_ACTION_in_rec_rule99 = new BitSet(new long[]{0x0000000000000008L});
	public static final BitSet FOLLOW_LOCALS_in_rec_rule118 = new BitSet(new long[]{0x0000000000000004L});
	public static final BitSet FOLLOW_ARG_ACTION_in_rec_rule120 = new BitSet(new long[]{0x0000000000000008L});
	public static final BitSet FOLLOW_OPTIONS_in_rec_rule138 = new BitSet(new long[]{0x0000000000000004L});
	public static final BitSet FOLLOW_AT_in_rec_rule155 = new BitSet(new long[]{0x0000000000000004L});
	public static final BitSet FOLLOW_ID_in_rec_rule157 = new BitSet(new long[]{0x0000000000000010L});
	public static final BitSet FOLLOW_ACTION_in_rec_rule159 = new BitSet(new long[]{0x0000000000000008L});
	public static final BitSet FOLLOW_ruleBlock_in_rec_rule175 = new BitSet(new long[]{0x0000000000401008L});
	public static final BitSet FOLLOW_exceptionGroup_in_rec_rule182 = new BitSet(new long[]{0x0000000000000008L});
	public static final BitSet FOLLOW_exceptionHandler_in_exceptionGroup200 = new BitSet(new long[]{0x0000000000401002L});
	public static final BitSet FOLLOW_finallyClause_in_exceptionGroup203 = new BitSet(new long[]{0x0000000000000002L});
	public static final BitSet FOLLOW_CATCH_in_exceptionHandler219 = new BitSet(new long[]{0x0000000000000004L});
	public static final BitSet FOLLOW_ARG_ACTION_in_exceptionHandler221 = new BitSet(new long[]{0x0000000000000010L});
	public static final BitSet FOLLOW_ACTION_in_exceptionHandler223 = new BitSet(new long[]{0x0000000000000008L});
	public static final BitSet FOLLOW_FINALLY_in_finallyClause236 = new BitSet(new long[]{0x0000000000000004L});
	public static final BitSet FOLLOW_ACTION_in_finallyClause238 = new BitSet(new long[]{0x0000000000000008L});
	public static final BitSet FOLLOW_BLOCK_in_ruleBlock293 = new BitSet(new long[]{0x0000000000000004L});
	public static final BitSet FOLLOW_outerAlternative_in_ruleBlock306 = new BitSet(new long[]{0x0000000000000008L,0x0000000000000080L});
	public static final BitSet FOLLOW_binaryMultipleOp_in_outerAlternative355 = new BitSet(new long[]{0x0000000000000002L});
	public static final BitSet FOLLOW_binary_in_outerAlternative411 = new BitSet(new long[]{0x0000000000000002L});
	public static final BitSet FOLLOW_ternary_in_outerAlternative466 = new BitSet(new long[]{0x0000000000000002L});
	public static final BitSet FOLLOW_prefix_in_outerAlternative522 = new BitSet(new long[]{0x0000000000000002L});
	public static final BitSet FOLLOW_suffix_in_outerAlternative578 = new BitSet(new long[]{0x0000000000000002L});
	public static final BitSet FOLLOW_ALT_in_outerAlternative620 = new BitSet(new long[]{0x0000000000000004L});
	public static final BitSet FOLLOW_element_in_outerAlternative622 = new BitSet(new long[]{0x2508204000080418L,0x0000000280C12802L});
	public static final BitSet FOLLOW_ALT_in_binaryMultipleOp673 = new BitSet(new long[]{0x0000000000000004L});
	public static final BitSet FOLLOW_recurse_in_binaryMultipleOp675 = new BitSet(new long[]{0x0000000000000400L,0x0000000080000800L});
	public static final BitSet FOLLOW_bops_in_binaryMultipleOp677 = new BitSet(new long[]{0x0100000000000400L});
	public static final BitSet FOLLOW_recurse_in_binaryMultipleOp679 = new BitSet(new long[]{0x0000000000000018L});
	public static final BitSet FOLLOW_ACTION_in_binaryMultipleOp681 = new BitSet(new long[]{0x0000000000000008L});
	public static final BitSet FOLLOW_ASSIGN_in_bops696 = new BitSet(new long[]{0x0000000000000004L});
	public static final BitSet FOLLOW_ID_in_bops698 = new BitSet(new long[]{0x0000000000000400L,0x0000000080000800L});
	public static final BitSet FOLLOW_bops_in_bops700 = new BitSet(new long[]{0x0000000000000008L});
	public static final BitSet FOLLOW_BLOCK_in_bops708 = new BitSet(new long[]{0x0000000000000004L});
	public static final BitSet FOLLOW_ALT_in_bops714 = new BitSet(new long[]{0x0000000000000004L});
	public static final BitSet FOLLOW_token_in_bops719 = new BitSet(new long[]{0x2000200000000408L,0x0000000000000002L});
	public static final BitSet FOLLOW_SET_in_bops741 = new BitSet(new long[]{0x0000000000000004L});
	public static final BitSet FOLLOW_token_in_bops746 = new BitSet(new long[]{0x2000200000000408L,0x0000000000000002L});
	public static final BitSet FOLLOW_ALT_in_binary767 = new BitSet(new long[]{0x0000000000000004L});
	public static final BitSet FOLLOW_recurse_in_binary769 = new BitSet(new long[]{0x2000200000000400L,0x0000000000000002L});
	public static final BitSet FOLLOW_token_in_binary774 = new BitSet(new long[]{0x2100200000000400L,0x0000000000000002L});
	public static final BitSet FOLLOW_recurse_in_binary780 = new BitSet(new long[]{0x0000000000000018L});
	public static final BitSet FOLLOW_ACTION_in_binary782 = new BitSet(new long[]{0x0000000000000008L});
	public static final BitSet FOLLOW_ALT_in_ternary798 = new BitSet(new long[]{0x0000000000000004L});
	public static final BitSet FOLLOW_recurse_in_ternary800 = new BitSet(new long[]{0x2000200000000400L,0x0000000000000002L});
	public static final BitSet FOLLOW_token_in_ternary804 = new BitSet(new long[]{0x0100000000000400L});
	public static final BitSet FOLLOW_recurse_in_ternary806 = new BitSet(new long[]{0x2000200000000400L,0x0000000000000002L});
	public static final BitSet FOLLOW_token_in_ternary808 = new BitSet(new long[]{0x0100000000000400L});
	public static final BitSet FOLLOW_recurse_in_ternary810 = new BitSet(new long[]{0x0000000000000018L});
	public static final BitSet FOLLOW_ACTION_in_ternary812 = new BitSet(new long[]{0x0000000000000008L});
	public static final BitSet FOLLOW_ALT_in_prefix830 = new BitSet(new long[]{0x0000000000000004L});
	public static final BitSet FOLLOW_element_in_prefix840 = new BitSet(new long[]{0x2508204000080410L,0x0000000280C12802L});
	public static final BitSet FOLLOW_recurse_in_prefix847 = new BitSet(new long[]{0x0000000000000018L});
	public static final BitSet FOLLOW_ACTION_in_prefix849 = new BitSet(new long[]{0x0000000000000008L});
	public static final BitSet FOLLOW_ALT_in_suffix867 = new BitSet(new long[]{0x0000000000000004L});
	public static final BitSet FOLLOW_recurse_in_suffix869 = new BitSet(new long[]{0x2508204000080410L,0x0000000280C12802L});
	public static final BitSet FOLLOW_element_in_suffix873 = new BitSet(new long[]{0x2508204000080418L,0x0000000280C12802L});
	public static final BitSet FOLLOW_ASSIGN_in_recurse888 = new BitSet(new long[]{0x0000000000000004L});
	public static final BitSet FOLLOW_ID_in_recurse890 = new BitSet(new long[]{0x0100000000000000L});
	public static final BitSet FOLLOW_recurseNoLabel_in_recurse892 = new BitSet(new long[]{0x0000000000000008L});
	public static final BitSet FOLLOW_recurseNoLabel_in_recurse898 = new BitSet(new long[]{0x0000000000000002L});
	public static final BitSet FOLLOW_RULE_REF_in_recurseNoLabel910 = new BitSet(new long[]{0x0000000000000002L});
	public static final BitSet FOLLOW_ASSIGN_in_token924 = new BitSet(new long[]{0x0000000000000004L});
	public static final BitSet FOLLOW_ID_in_token926 = new BitSet(new long[]{0x2000200000000400L,0x0000000000000002L});
	public static final BitSet FOLLOW_token_in_token930 = new BitSet(new long[]{0x0000000000000008L});
	public static final BitSet FOLLOW_PLUS_ASSIGN_in_token939 = new BitSet(new long[]{0x0000000000000004L});
	public static final BitSet FOLLOW_ID_in_token941 = new BitSet(new long[]{0x2000200000000400L,0x0000000000000002L});
	public static final BitSet FOLLOW_token_in_token945 = new BitSet(new long[]{0x0000000000000008L});
	public static final BitSet FOLLOW_STRING_LITERAL_in_token955 = new BitSet(new long[]{0x0000000000000002L});
	public static final BitSet FOLLOW_STRING_LITERAL_in_token976 = new BitSet(new long[]{0x0000000000000004L});
	public static final BitSet FOLLOW_elementOptions_in_token978 = new BitSet(new long[]{0x0000000000000008L});
	public static final BitSet FOLLOW_TOKEN_REF_in_token993 = new BitSet(new long[]{0x0000000000000004L});
	public static final BitSet FOLLOW_elementOptions_in_token995 = new BitSet(new long[]{0x0000000000000008L});
	public static final BitSet FOLLOW_TOKEN_REF_in_token1007 = new BitSet(new long[]{0x0000000000000002L});
	public static final BitSet FOLLOW_ELEMENT_OPTIONS_in_elementOptions1037 = new BitSet(new long[]{0x0000000000000004L});
	public static final BitSet FOLLOW_elementOption_in_elementOptions1039 = new BitSet(new long[]{0x0000000008000408L});
	public static final BitSet FOLLOW_ID_in_elementOption1058 = new BitSet(new long[]{0x0000000000000002L});
	public static final BitSet FOLLOW_ASSIGN_in_elementOption1069 = new BitSet(new long[]{0x0000000000000004L});
	public static final BitSet FOLLOW_ID_in_elementOption1071 = new BitSet(new long[]{0x0000000008000000L});
	public static final BitSet FOLLOW_ID_in_elementOption1073 = new BitSet(new long[]{0x0000000000000008L});
	public static final BitSet FOLLOW_ASSIGN_in_elementOption1085 = new BitSet(new long[]{0x0000000000000004L});
	public static final BitSet FOLLOW_ID_in_elementOption1087 = new BitSet(new long[]{0x2000000000000000L});
	public static final BitSet FOLLOW_STRING_LITERAL_in_elementOption1089 = new BitSet(new long[]{0x0000000000000008L});
	public static final BitSet FOLLOW_ASSIGN_in_elementOption1101 = new BitSet(new long[]{0x0000000000000004L});
	public static final BitSet FOLLOW_ID_in_elementOption1103 = new BitSet(new long[]{0x0000000000000010L});
	public static final BitSet FOLLOW_ACTION_in_elementOption1105 = new BitSet(new long[]{0x0000000000000008L});
	public static final BitSet FOLLOW_ASSIGN_in_elementOption1117 = new BitSet(new long[]{0x0000000000000004L});
	public static final BitSet FOLLOW_ID_in_elementOption1119 = new BitSet(new long[]{0x0000000020000000L});
	public static final BitSet FOLLOW_INT_in_elementOption1121 = new BitSet(new long[]{0x0000000000000008L});
	public static final BitSet FOLLOW_atom_in_element1136 = new BitSet(new long[]{0x0000000000000002L});
	public static final BitSet FOLLOW_NOT_in_element1142 = new BitSet(new long[]{0x0000000000000004L});
	public static final BitSet FOLLOW_element_in_element1144 = new BitSet(new long[]{0x0000000000000008L});
	public static final BitSet FOLLOW_RANGE_in_element1151 = new BitSet(new long[]{0x0000000000000004L});
	public static final BitSet FOLLOW_atom_in_element1153 = new BitSet(new long[]{0x2100000000080000L,0x0000000200000002L});
	public static final BitSet FOLLOW_atom_in_element1155 = new BitSet(new long[]{0x0000000000000008L});
	public static final BitSet FOLLOW_ASSIGN_in_element1162 = new BitSet(new long[]{0x0000000000000004L});
	public static final BitSet FOLLOW_ID_in_element1164 = new BitSet(new long[]{0x2508204000080410L,0x0000000280C12802L});
	public static final BitSet FOLLOW_element_in_element1166 = new BitSet(new long[]{0x0000000000000008L});
	public static final BitSet FOLLOW_PLUS_ASSIGN_in_element1173 = new BitSet(new long[]{0x0000000000000004L});
	public static final BitSet FOLLOW_ID_in_element1175 = new BitSet(new long[]{0x2508204000080410L,0x0000000280C12802L});
	public static final BitSet FOLLOW_element_in_element1177 = new BitSet(new long[]{0x0000000000000008L});
	public static final BitSet FOLLOW_SET_in_element1187 = new BitSet(new long[]{0x0000000000000004L});
	public static final BitSet FOLLOW_setElement_in_element1189 = new BitSet(new long[]{0x2000000000000008L,0x0000000000000002L});
	public static final BitSet FOLLOW_RULE_REF_in_element1201 = new BitSet(new long[]{0x0000000000000002L});
	public static final BitSet FOLLOW_ebnf_in_element1206 = new BitSet(new long[]{0x0000000000000002L});
	public static final BitSet FOLLOW_ACTION_in_element1211 = new BitSet(new long[]{0x0000000000000002L});
	public static final BitSet FOLLOW_SEMPRED_in_element1216 = new BitSet(new long[]{0x0000000000000002L});
	public static final BitSet FOLLOW_EPSILON_in_element1221 = new BitSet(new long[]{0x0000000000000002L});
	public static final BitSet FOLLOW_block_in_ebnf1248 = new BitSet(new long[]{0x0000000000000002L});
	public static final BitSet FOLLOW_OPTIONAL_in_ebnf1260 = new BitSet(new long[]{0x0000000000000004L});
	public static final BitSet FOLLOW_block_in_ebnf1262 = new BitSet(new long[]{0x0000000000000008L});
	public static final BitSet FOLLOW_CLOSURE_in_ebnf1276 = new BitSet(new long[]{0x0000000000000004L});
	public static final BitSet FOLLOW_block_in_ebnf1278 = new BitSet(new long[]{0x0000000000000008L});
	public static final BitSet FOLLOW_POSITIVE_CLOSURE_in_ebnf1292 = new BitSet(new long[]{0x0000000000000004L});
	public static final BitSet FOLLOW_block_in_ebnf1294 = new BitSet(new long[]{0x0000000000000008L});
	public static final BitSet FOLLOW_BLOCK_in_block1314 = new BitSet(new long[]{0x0000000000000004L});
	public static final BitSet FOLLOW_ACTION_in_block1316 = new BitSet(new long[]{0x0000000000000000L,0x0000000000000080L});
	public static final BitSet FOLLOW_alternative_in_block1319 = new BitSet(new long[]{0x0000000000000008L,0x0000000000000080L});
	public static final BitSet FOLLOW_ALT_in_alternative1336 = new BitSet(new long[]{0x0000000000000004L});
	public static final BitSet FOLLOW_element_in_alternative1338 = new BitSet(new long[]{0x2508204000080418L,0x0000000280C12802L});
	public static final BitSet FOLLOW_RULE_REF_in_atom1355 = new BitSet(new long[]{0x0000000000000004L});
	public static final BitSet FOLLOW_ARG_ACTION_in_atom1357 = new BitSet(new long[]{0x0000000000000008L,0x0000000000008000L});
	public static final BitSet FOLLOW_elementOptions_in_atom1360 = new BitSet(new long[]{0x0000000000000008L});
	public static final BitSet FOLLOW_STRING_LITERAL_in_atom1372 = new BitSet(new long[]{0x0000000000000004L});
	public static final BitSet FOLLOW_elementOptions_in_atom1374 = new BitSet(new long[]{0x0000000000000008L});
	public static final BitSet FOLLOW_STRING_LITERAL_in_atom1380 = new BitSet(new long[]{0x0000000000000002L});
	public static final BitSet FOLLOW_TOKEN_REF_in_atom1389 = new BitSet(new long[]{0x0000000000000004L});
	public static final BitSet FOLLOW_elementOptions_in_atom1391 = new BitSet(new long[]{0x0000000000000008L});
	public static final BitSet FOLLOW_TOKEN_REF_in_atom1397 = new BitSet(new long[]{0x0000000000000002L});
	public static final BitSet FOLLOW_WILDCARD_in_atom1406 = new BitSet(new long[]{0x0000000000000004L});
	public static final BitSet FOLLOW_elementOptions_in_atom1408 = new BitSet(new long[]{0x0000000000000008L});
	public static final BitSet FOLLOW_WILDCARD_in_atom1414 = new BitSet(new long[]{0x0000000000000002L});
	public static final BitSet FOLLOW_DOT_in_atom1420 = new BitSet(new long[]{0x0000000000000004L});
	public static final BitSet FOLLOW_ID_in_atom1422 = new BitSet(new long[]{0x2508204000080410L,0x0000000280C12802L});
	public static final BitSet FOLLOW_element_in_atom1424 = new BitSet(new long[]{0x0000000000000008L});
	public static final BitSet FOLLOW_binaryMultipleOp_in_synpred1_LeftRecursiveRuleWalker351 = new BitSet(new long[]{0x0000000000000002L});
	public static final BitSet FOLLOW_binary_in_synpred2_LeftRecursiveRuleWalker397 = new BitSet(new long[]{0x0000000000000002L});
	public static final BitSet FOLLOW_ternary_in_synpred3_LeftRecursiveRuleWalker453 = new BitSet(new long[]{0x0000000000000002L});
	public static final BitSet FOLLOW_prefix_in_synpred4_LeftRecursiveRuleWalker508 = new BitSet(new long[]{0x0000000000000002L});
	public static final BitSet FOLLOW_suffix_in_synpred5_LeftRecursiveRuleWalker564 = new BitSet(new long[]{0x0000000000000002L});
}