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Posted to commits@metron.apache.org by ce...@apache.org on 2017/02/03 16:01:51 UTC

[1/2] incubator-metron git commit: METRON-658: Updated Grammar to Handle More Uses of in/not in Expressions closes apache/incubator-metron#430

Repository: incubator-metron
Updated Branches:
  refs/heads/master fd77ec329 -> 8340c0e25


http://git-wip-us.apache.org/repos/asf/incubator-metron/blob/8340c0e2/metron-platform/metron-common/src/main/java/org/apache/metron/common/stellar/generated/StellarParser.java
----------------------------------------------------------------------
diff --git a/metron-platform/metron-common/src/main/java/org/apache/metron/common/stellar/generated/StellarParser.java b/metron-platform/metron-common/src/main/java/org/apache/metron/common/stellar/generated/StellarParser.java
index 4043601..b8f5173 100644
--- a/metron-platform/metron-common/src/main/java/org/apache/metron/common/stellar/generated/StellarParser.java
+++ b/metron-platform/metron-common/src/main/java/org/apache/metron/common/stellar/generated/StellarParser.java
@@ -2,7 +2,7 @@
 package org.apache.metron.common.stellar.generated;
 
 //CHECKSTYLE:OFF
-/**
+/*
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -46,14 +46,14 @@ public class StellarParser extends Parser {
 		WS=43;
 	public static final int
 		RULE_transformation = 0, RULE_transformation_expr = 1, RULE_conditional_expr = 2, 
-		RULE_comparison_expr = 3, RULE_transformation_entity = 4, RULE_comp_operator = 5, 
-		RULE_arith_operator_addition = 6, RULE_arith_operator_mul = 7, RULE_func_args = 8, 
-		RULE_op_list = 9, RULE_list_entity = 10, RULE_kv_list = 11, RULE_map_entity = 12, 
-		RULE_arithmetic_expr = 13, RULE_arithmetic_expr_mul = 14, RULE_functions = 15, 
-		RULE_arithmetic_operands = 16, RULE_identifier_operand = 17;
+		RULE_logical_expr = 3, RULE_b_expr = 4, RULE_in_expr = 5, RULE_comparison_expr = 6, 
+		RULE_transformation_entity = 7, RULE_comp_operator = 8, RULE_func_args = 9, 
+		RULE_op_list = 10, RULE_list_entity = 11, RULE_kv_list = 12, RULE_map_entity = 13, 
+		RULE_arithmetic_expr = 14, RULE_arithmetic_expr_mul = 15, RULE_functions = 16, 
+		RULE_arithmetic_operands = 17, RULE_identifier_operand = 18;
 	public static final String[] ruleNames = {
-		"transformation", "transformation_expr", "conditional_expr", "comparison_expr", 
-		"transformation_entity", "comp_operator", "arith_operator_addition", "arith_operator_mul", 
+		"transformation", "transformation_expr", "conditional_expr", "logical_expr", 
+		"b_expr", "in_expr", "comparison_expr", "transformation_entity", "comp_operator", 
 		"func_args", "op_list", "list_entity", "kv_list", "map_entity", "arithmetic_expr", 
 		"arithmetic_expr_mul", "functions", "arithmetic_operands", "identifier_operand"
 	};
@@ -145,9 +145,9 @@ public class StellarParser extends Parser {
 		try {
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(36);
+			setState(38);
 			transformation_expr();
-			setState(37);
+			setState(39);
 			match(EOF);
 			}
 		}
@@ -187,6 +187,20 @@ public class StellarParser extends Parser {
 			if ( listener instanceof StellarListener ) ((StellarListener)listener).exitComparisonExpression(this);
 		}
 	}
+	public static class LogicalExpressionContext extends Transformation_exprContext {
+		public Logical_exprContext logical_expr() {
+			return getRuleContext(Logical_exprContext.class,0);
+		}
+		public LogicalExpressionContext(Transformation_exprContext ctx) { copyFrom(ctx); }
+		@Override
+		public void enterRule(ParseTreeListener listener) {
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).enterLogicalExpression(this);
+		}
+		@Override
+		public void exitRule(ParseTreeListener listener) {
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).exitLogicalExpression(this);
+		}
+	}
 	public static class TransformationEntityContext extends Transformation_exprContext {
 		public Transformation_entityContext transformation_entity() {
 			return getRuleContext(Transformation_entityContext.class,0);
@@ -201,6 +215,20 @@ public class StellarParser extends Parser {
 			if ( listener instanceof StellarListener ) ((StellarListener)listener).exitTransformationEntity(this);
 		}
 	}
+	public static class InExpressionContext extends Transformation_exprContext {
+		public In_exprContext in_expr() {
+			return getRuleContext(In_exprContext.class,0);
+		}
+		public InExpressionContext(Transformation_exprContext ctx) { copyFrom(ctx); }
+		@Override
+		public void enterRule(ParseTreeListener listener) {
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).enterInExpression(this);
+		}
+		@Override
+		public void exitRule(ParseTreeListener listener) {
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).exitInExpression(this);
+		}
+	}
 	public static class ArithExpressionContext extends Transformation_exprContext {
 		public Arithmetic_exprContext arithmetic_expr() {
 			return getRuleContext(Arithmetic_exprContext.class,0);
@@ -250,13 +278,13 @@ public class StellarParser extends Parser {
 		Transformation_exprContext _localctx = new Transformation_exprContext(_ctx, getState());
 		enterRule(_localctx, 2, RULE_transformation_expr);
 		try {
-			setState(47);
+			setState(51);
 			switch ( getInterpreter().adaptivePredict(_input,0,_ctx) ) {
 			case 1:
 				_localctx = new ConditionalExprContext(_localctx);
 				enterOuterAlt(_localctx, 1);
 				{
-				setState(39);
+				setState(41);
 				conditional_expr();
 				}
 				break;
@@ -264,11 +292,11 @@ public class StellarParser extends Parser {
 				_localctx = new TransformationExprContext(_localctx);
 				enterOuterAlt(_localctx, 2);
 				{
-				setState(40);
+				setState(42);
 				match(LPAREN);
-				setState(41);
+				setState(43);
 				transformation_expr();
-				setState(42);
+				setState(44);
 				match(RPAREN);
 				}
 				break;
@@ -276,7 +304,7 @@ public class StellarParser extends Parser {
 				_localctx = new ArithExpressionContext(_localctx);
 				enterOuterAlt(_localctx, 3);
 				{
-				setState(44);
+				setState(46);
 				arithmetic_expr(0);
 				}
 				break;
@@ -284,7 +312,7 @@ public class StellarParser extends Parser {
 				_localctx = new TransformationEntityContext(_localctx);
 				enterOuterAlt(_localctx, 4);
 				{
-				setState(45);
+				setState(47);
 				transformation_entity();
 				}
 				break;
@@ -292,10 +320,26 @@ public class StellarParser extends Parser {
 				_localctx = new ComparisonExpressionContext(_localctx);
 				enterOuterAlt(_localctx, 5);
 				{
-				setState(46);
+				setState(48);
 				comparison_expr(0);
 				}
 				break;
+			case 6:
+				_localctx = new LogicalExpressionContext(_localctx);
+				enterOuterAlt(_localctx, 6);
+				{
+				setState(49);
+				logical_expr();
+				}
+				break;
+			case 7:
+				_localctx = new InExpressionContext(_localctx);
+				enterOuterAlt(_localctx, 7);
+				{
+				setState(50);
+				in_expr();
+				}
+				break;
 			}
 		}
 		catch (RecognitionException re) {
@@ -321,8 +365,8 @@ public class StellarParser extends Parser {
 		}
 	}
 	public static class TernaryFuncWithoutIfContext extends Conditional_exprContext {
-		public Comparison_exprContext comparison_expr() {
-			return getRuleContext(Comparison_exprContext.class,0);
+		public Logical_exprContext logical_expr() {
+			return getRuleContext(Logical_exprContext.class,0);
 		}
 		public TerminalNode QUESTION() { return getToken(StellarParser.QUESTION, 0); }
 		public List<Transformation_exprContext> transformation_expr() {
@@ -344,8 +388,8 @@ public class StellarParser extends Parser {
 	}
 	public static class TernaryFuncWithIfContext extends Conditional_exprContext {
 		public TerminalNode IF() { return getToken(StellarParser.IF, 0); }
-		public Comparison_exprContext comparison_expr() {
-			return getRuleContext(Comparison_exprContext.class,0);
+		public Logical_exprContext logical_expr() {
+			return getRuleContext(Logical_exprContext.class,0);
 		}
 		public TerminalNode THEN() { return getToken(StellarParser.THEN, 0); }
 		public List<Transformation_exprContext> transformation_expr() {
@@ -370,7 +414,7 @@ public class StellarParser extends Parser {
 		Conditional_exprContext _localctx = new Conditional_exprContext(_ctx, getState());
 		enterRule(_localctx, 4, RULE_conditional_expr);
 		try {
-			setState(62);
+			setState(66);
 			switch (_input.LA(1)) {
 			case NOT:
 			case TRUE:
@@ -389,15 +433,15 @@ public class StellarParser extends Parser {
 				_localctx = new TernaryFuncWithoutIfContext(_localctx);
 				enterOuterAlt(_localctx, 1);
 				{
-				setState(49);
-				comparison_expr(0);
-				setState(50);
+				setState(53);
+				logical_expr();
+				setState(54);
 				match(QUESTION);
-				setState(51);
+				setState(55);
 				transformation_expr();
-				setState(52);
+				setState(56);
 				match(COLON);
-				setState(53);
+				setState(57);
 				transformation_expr();
 				}
 				break;
@@ -405,17 +449,17 @@ public class StellarParser extends Parser {
 				_localctx = new TernaryFuncWithIfContext(_localctx);
 				enterOuterAlt(_localctx, 2);
 				{
-				setState(55);
+				setState(59);
 				match(IF);
-				setState(56);
-				comparison_expr(0);
-				setState(57);
+				setState(60);
+				logical_expr();
+				setState(61);
 				match(THEN);
-				setState(58);
+				setState(62);
 				transformation_expr();
-				setState(59);
+				setState(63);
 				match(ELSE);
-				setState(60);
+				setState(64);
 				transformation_expr();
 				}
 				break;
@@ -434,140 +478,326 @@ public class StellarParser extends Parser {
 		return _localctx;
 	}
 
-	public static class Comparison_exprContext extends ParserRuleContext {
-		public Comparison_exprContext(ParserRuleContext parent, int invokingState) {
+	public static class Logical_exprContext extends ParserRuleContext {
+		public Logical_exprContext(ParserRuleContext parent, int invokingState) {
 			super(parent, invokingState);
 		}
-		@Override public int getRuleIndex() { return RULE_comparison_expr; }
+		@Override public int getRuleIndex() { return RULE_logical_expr; }
 	 
-		public Comparison_exprContext() { }
-		public void copyFrom(Comparison_exprContext ctx) {
+		public Logical_exprContext() { }
+		public void copyFrom(Logical_exprContext ctx) {
 			super.copyFrom(ctx);
 		}
 	}
-	public static class NotFuncContext extends Comparison_exprContext {
-		public TerminalNode NOT() { return getToken(StellarParser.NOT, 0); }
-		public TerminalNode LPAREN() { return getToken(StellarParser.LPAREN, 0); }
-		public Comparison_exprContext comparison_expr() {
-			return getRuleContext(Comparison_exprContext.class,0);
+	public static class LogicalExpressionAndContext extends Logical_exprContext {
+		public B_exprContext b_expr() {
+			return getRuleContext(B_exprContext.class,0);
 		}
-		public TerminalNode RPAREN() { return getToken(StellarParser.RPAREN, 0); }
-		public NotFuncContext(Comparison_exprContext ctx) { copyFrom(ctx); }
+		public TerminalNode AND() { return getToken(StellarParser.AND, 0); }
+		public Logical_exprContext logical_expr() {
+			return getRuleContext(Logical_exprContext.class,0);
+		}
+		public LogicalExpressionAndContext(Logical_exprContext ctx) { copyFrom(ctx); }
 		@Override
 		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof StellarListener ) ((StellarListener)listener).enterNotFunc(this);
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).enterLogicalExpressionAnd(this);
 		}
 		@Override
 		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof StellarListener ) ((StellarListener)listener).exitNotFunc(this);
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).exitLogicalExpressionAnd(this);
 		}
 	}
-	public static class ComparisonExpressionParensContext extends Comparison_exprContext {
-		public TerminalNode LPAREN() { return getToken(StellarParser.LPAREN, 0); }
-		public Comparison_exprContext comparison_expr() {
-			return getRuleContext(Comparison_exprContext.class,0);
+	public static class BoleanExpressionContext extends Logical_exprContext {
+		public B_exprContext b_expr() {
+			return getRuleContext(B_exprContext.class,0);
 		}
-		public TerminalNode RPAREN() { return getToken(StellarParser.RPAREN, 0); }
-		public ComparisonExpressionParensContext(Comparison_exprContext ctx) { copyFrom(ctx); }
+		public BoleanExpressionContext(Logical_exprContext ctx) { copyFrom(ctx); }
 		@Override
 		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof StellarListener ) ((StellarListener)listener).enterComparisonExpressionParens(this);
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).enterBoleanExpression(this);
 		}
 		@Override
 		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof StellarListener ) ((StellarListener)listener).exitComparisonExpressionParens(this);
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).exitBoleanExpression(this);
 		}
 	}
-	public static class InExpressionContext extends Comparison_exprContext {
-		public List<Identifier_operandContext> identifier_operand() {
-			return getRuleContexts(Identifier_operandContext.class);
+	public static class LogicalExpressionOrContext extends Logical_exprContext {
+		public B_exprContext b_expr() {
+			return getRuleContext(B_exprContext.class,0);
 		}
-		public Identifier_operandContext identifier_operand(int i) {
-			return getRuleContext(Identifier_operandContext.class,i);
+		public TerminalNode OR() { return getToken(StellarParser.OR, 0); }
+		public Logical_exprContext logical_expr() {
+			return getRuleContext(Logical_exprContext.class,0);
 		}
-		public TerminalNode IN() { return getToken(StellarParser.IN, 0); }
-		public InExpressionContext(Comparison_exprContext ctx) { copyFrom(ctx); }
+		public LogicalExpressionOrContext(Logical_exprContext ctx) { copyFrom(ctx); }
 		@Override
 		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof StellarListener ) ((StellarListener)listener).enterInExpression(this);
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).enterLogicalExpressionOr(this);
 		}
 		@Override
 		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof StellarListener ) ((StellarListener)listener).exitInExpression(this);
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).exitLogicalExpressionOr(this);
 		}
 	}
-	public static class ComparisonExpressionWithOperatorContext extends Comparison_exprContext {
-		public List<Identifier_operandContext> identifier_operand() {
-			return getRuleContexts(Identifier_operandContext.class);
+
+	public final Logical_exprContext logical_expr() throws RecognitionException {
+		Logical_exprContext _localctx = new Logical_exprContext(_ctx, getState());
+		enterRule(_localctx, 6, RULE_logical_expr);
+		try {
+			setState(77);
+			switch ( getInterpreter().adaptivePredict(_input,2,_ctx) ) {
+			case 1:
+				_localctx = new LogicalExpressionAndContext(_localctx);
+				enterOuterAlt(_localctx, 1);
+				{
+				setState(68);
+				b_expr();
+				setState(69);
+				match(AND);
+				setState(70);
+				logical_expr();
+				}
+				break;
+			case 2:
+				_localctx = new LogicalExpressionOrContext(_localctx);
+				enterOuterAlt(_localctx, 2);
+				{
+				setState(72);
+				b_expr();
+				setState(73);
+				match(OR);
+				setState(74);
+				logical_expr();
+				}
+				break;
+			case 3:
+				_localctx = new BoleanExpressionContext(_localctx);
+				enterOuterAlt(_localctx, 3);
+				{
+				setState(76);
+				b_expr();
+				}
+				break;
+			}
+		}
+		catch (RecognitionException re) {
+			_localctx.exception = re;
+			_errHandler.reportError(this, re);
+			_errHandler.recover(this, re);
 		}
-		public Identifier_operandContext identifier_operand(int i) {
-			return getRuleContext(Identifier_operandContext.class,i);
+		finally {
+			exitRule();
 		}
-		public Comp_operatorContext comp_operator() {
-			return getRuleContext(Comp_operatorContext.class,0);
+		return _localctx;
+	}
+
+	public static class B_exprContext extends ParserRuleContext {
+		public Comparison_exprContext comparison_expr() {
+			return getRuleContext(Comparison_exprContext.class,0);
 		}
-		public ComparisonExpressionWithOperatorContext(Comparison_exprContext ctx) { copyFrom(ctx); }
+		public In_exprContext in_expr() {
+			return getRuleContext(In_exprContext.class,0);
+		}
+		public B_exprContext(ParserRuleContext parent, int invokingState) {
+			super(parent, invokingState);
+		}
+		@Override public int getRuleIndex() { return RULE_b_expr; }
 		@Override
 		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof StellarListener ) ((StellarListener)listener).enterComparisonExpressionWithOperator(this);
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).enterB_expr(this);
 		}
 		@Override
 		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof StellarListener ) ((StellarListener)listener).exitComparisonExpressionWithOperator(this);
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).exitB_expr(this);
 		}
 	}
-	public static class LogicalExpressionAndContext extends Comparison_exprContext {
-		public List<Comparison_exprContext> comparison_expr() {
-			return getRuleContexts(Comparison_exprContext.class);
+
+	public final B_exprContext b_expr() throws RecognitionException {
+		B_exprContext _localctx = new B_exprContext(_ctx, getState());
+		enterRule(_localctx, 8, RULE_b_expr);
+		try {
+			setState(81);
+			switch ( getInterpreter().adaptivePredict(_input,3,_ctx) ) {
+			case 1:
+				enterOuterAlt(_localctx, 1);
+				{
+				setState(79);
+				comparison_expr(0);
+				}
+				break;
+			case 2:
+				enterOuterAlt(_localctx, 2);
+				{
+				setState(80);
+				in_expr();
+				}
+				break;
+			}
 		}
-		public Comparison_exprContext comparison_expr(int i) {
-			return getRuleContext(Comparison_exprContext.class,i);
+		catch (RecognitionException re) {
+			_localctx.exception = re;
+			_errHandler.reportError(this, re);
+			_errHandler.recover(this, re);
 		}
-		public TerminalNode AND() { return getToken(StellarParser.AND, 0); }
-		public LogicalExpressionAndContext(Comparison_exprContext ctx) { copyFrom(ctx); }
+		finally {
+			exitRule();
+		}
+		return _localctx;
+	}
+
+	public static class In_exprContext extends ParserRuleContext {
+		public In_exprContext(ParserRuleContext parent, int invokingState) {
+			super(parent, invokingState);
+		}
+		@Override public int getRuleIndex() { return RULE_in_expr; }
+	 
+		public In_exprContext() { }
+		public void copyFrom(In_exprContext ctx) {
+			super.copyFrom(ctx);
+		}
+	}
+	public static class NInExpressionStatementContext extends In_exprContext {
+		public Identifier_operandContext identifier_operand() {
+			return getRuleContext(Identifier_operandContext.class,0);
+		}
+		public TerminalNode NIN() { return getToken(StellarParser.NIN, 0); }
+		public B_exprContext b_expr() {
+			return getRuleContext(B_exprContext.class,0);
+		}
+		public NInExpressionStatementContext(In_exprContext ctx) { copyFrom(ctx); }
 		@Override
 		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof StellarListener ) ((StellarListener)listener).enterLogicalExpressionAnd(this);
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).enterNInExpressionStatement(this);
 		}
 		@Override
 		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof StellarListener ) ((StellarListener)listener).exitLogicalExpressionAnd(this);
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).exitNInExpressionStatement(this);
 		}
 	}
-	public static class NInExpressionContext extends Comparison_exprContext {
-		public List<Identifier_operandContext> identifier_operand() {
-			return getRuleContexts(Identifier_operandContext.class);
+	public static class InExpressionStatementContext extends In_exprContext {
+		public Identifier_operandContext identifier_operand() {
+			return getRuleContext(Identifier_operandContext.class,0);
 		}
-		public Identifier_operandContext identifier_operand(int i) {
-			return getRuleContext(Identifier_operandContext.class,i);
+		public TerminalNode IN() { return getToken(StellarParser.IN, 0); }
+		public B_exprContext b_expr() {
+			return getRuleContext(B_exprContext.class,0);
 		}
-		public TerminalNode NIN() { return getToken(StellarParser.NIN, 0); }
-		public NInExpressionContext(Comparison_exprContext ctx) { copyFrom(ctx); }
+		public InExpressionStatementContext(In_exprContext ctx) { copyFrom(ctx); }
 		@Override
 		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof StellarListener ) ((StellarListener)listener).enterNInExpression(this);
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).enterInExpressionStatement(this);
 		}
 		@Override
 		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof StellarListener ) ((StellarListener)listener).exitNInExpression(this);
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).exitInExpressionStatement(this);
+		}
+	}
+
+	public final In_exprContext in_expr() throws RecognitionException {
+		In_exprContext _localctx = new In_exprContext(_ctx, getState());
+		enterRule(_localctx, 10, RULE_in_expr);
+		try {
+			setState(91);
+			switch ( getInterpreter().adaptivePredict(_input,4,_ctx) ) {
+			case 1:
+				_localctx = new InExpressionStatementContext(_localctx);
+				enterOuterAlt(_localctx, 1);
+				{
+				setState(83);
+				identifier_operand();
+				setState(84);
+				match(IN);
+				setState(85);
+				b_expr();
+				}
+				break;
+			case 2:
+				_localctx = new NInExpressionStatementContext(_localctx);
+				enterOuterAlt(_localctx, 2);
+				{
+				setState(87);
+				identifier_operand();
+				setState(88);
+				match(NIN);
+				setState(89);
+				b_expr();
+				}
+				break;
+			}
+		}
+		catch (RecognitionException re) {
+			_localctx.exception = re;
+			_errHandler.reportError(this, re);
+			_errHandler.recover(this, re);
 		}
+		finally {
+			exitRule();
+		}
+		return _localctx;
 	}
-	public static class LogicalExpressionOrContext extends Comparison_exprContext {
+
+	public static class Comparison_exprContext extends ParserRuleContext {
+		public Comparison_exprContext(ParserRuleContext parent, int invokingState) {
+			super(parent, invokingState);
+		}
+		@Override public int getRuleIndex() { return RULE_comparison_expr; }
+	 
+		public Comparison_exprContext() { }
+		public void copyFrom(Comparison_exprContext ctx) {
+			super.copyFrom(ctx);
+		}
+	}
+	public static class NotFuncContext extends Comparison_exprContext {
+		public TerminalNode NOT() { return getToken(StellarParser.NOT, 0); }
+		public TerminalNode LPAREN() { return getToken(StellarParser.LPAREN, 0); }
+		public Logical_exprContext logical_expr() {
+			return getRuleContext(Logical_exprContext.class,0);
+		}
+		public TerminalNode RPAREN() { return getToken(StellarParser.RPAREN, 0); }
+		public NotFuncContext(Comparison_exprContext ctx) { copyFrom(ctx); }
+		@Override
+		public void enterRule(ParseTreeListener listener) {
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).enterNotFunc(this);
+		}
+		@Override
+		public void exitRule(ParseTreeListener listener) {
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).exitNotFunc(this);
+		}
+	}
+	public static class ComparisonExpressionParensContext extends Comparison_exprContext {
+		public TerminalNode LPAREN() { return getToken(StellarParser.LPAREN, 0); }
+		public Logical_exprContext logical_expr() {
+			return getRuleContext(Logical_exprContext.class,0);
+		}
+		public TerminalNode RPAREN() { return getToken(StellarParser.RPAREN, 0); }
+		public ComparisonExpressionParensContext(Comparison_exprContext ctx) { copyFrom(ctx); }
+		@Override
+		public void enterRule(ParseTreeListener listener) {
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).enterComparisonExpressionParens(this);
+		}
+		@Override
+		public void exitRule(ParseTreeListener listener) {
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).exitComparisonExpressionParens(this);
+		}
+	}
+	public static class ComparisonExpressionWithOperatorContext extends Comparison_exprContext {
 		public List<Comparison_exprContext> comparison_expr() {
 			return getRuleContexts(Comparison_exprContext.class);
 		}
 		public Comparison_exprContext comparison_expr(int i) {
 			return getRuleContext(Comparison_exprContext.class,i);
 		}
-		public TerminalNode OR() { return getToken(StellarParser.OR, 0); }
-		public LogicalExpressionOrContext(Comparison_exprContext ctx) { copyFrom(ctx); }
+		public Comp_operatorContext comp_operator() {
+			return getRuleContext(Comp_operatorContext.class,0);
+		}
+		public ComparisonExpressionWithOperatorContext(Comparison_exprContext ctx) { copyFrom(ctx); }
 		@Override
 		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof StellarListener ) ((StellarListener)listener).enterLogicalExpressionOr(this);
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).enterComparisonExpressionWithOperator(this);
 		}
 		@Override
 		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof StellarListener ) ((StellarListener)listener).exitLogicalExpressionOr(this);
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).exitComparisonExpressionWithOperator(this);
 		}
 	}
 	public static class OperandContext extends Comparison_exprContext {
@@ -594,133 +824,77 @@ public class StellarParser extends Parser {
 		int _parentState = getState();
 		Comparison_exprContext _localctx = new Comparison_exprContext(_ctx, _parentState);
 		Comparison_exprContext _prevctx = _localctx;
-		int _startState = 6;
-		enterRecursionRule(_localctx, 6, RULE_comparison_expr, _p);
+		int _startState = 12;
+		enterRecursionRule(_localctx, 12, RULE_comparison_expr, _p);
 		try {
 			int _alt;
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(87);
-			switch ( getInterpreter().adaptivePredict(_input,2,_ctx) ) {
+			setState(104);
+			switch ( getInterpreter().adaptivePredict(_input,5,_ctx) ) {
 			case 1:
 				{
-				_localctx = new ComparisonExpressionWithOperatorContext(_localctx);
-				_ctx = _localctx;
-				_prevctx = _localctx;
-
-				setState(65);
-				identifier_operand();
-				setState(66);
-				comp_operator();
-				setState(67);
-				identifier_operand();
-				}
-				break;
-			case 2:
-				{
-				_localctx = new InExpressionContext(_localctx);
-				_ctx = _localctx;
-				_prevctx = _localctx;
-				setState(69);
-				identifier_operand();
-				setState(70);
-				match(IN);
-				setState(71);
-				identifier_operand();
-				}
-				break;
-			case 3:
-				{
-				_localctx = new NInExpressionContext(_localctx);
-				_ctx = _localctx;
-				_prevctx = _localctx;
-				setState(73);
-				identifier_operand();
-				setState(74);
-				match(NIN);
-				setState(75);
-				identifier_operand();
-				}
-				break;
-			case 4:
-				{
 				_localctx = new NotFuncContext(_localctx);
 				_ctx = _localctx;
 				_prevctx = _localctx;
-				setState(77);
+
+				setState(94);
 				match(NOT);
-				setState(78);
+				setState(95);
 				match(LPAREN);
-				setState(79);
-				comparison_expr(0);
-				setState(80);
+				setState(96);
+				logical_expr();
+				setState(97);
 				match(RPAREN);
 				}
 				break;
-			case 5:
+			case 2:
 				{
 				_localctx = new ComparisonExpressionParensContext(_localctx);
 				_ctx = _localctx;
 				_prevctx = _localctx;
-				setState(82);
+				setState(99);
 				match(LPAREN);
-				setState(83);
-				comparison_expr(0);
-				setState(84);
+				setState(100);
+				logical_expr();
+				setState(101);
 				match(RPAREN);
 				}
 				break;
-			case 6:
+			case 3:
 				{
 				_localctx = new OperandContext(_localctx);
 				_ctx = _localctx;
 				_prevctx = _localctx;
-				setState(86);
+				setState(103);
 				identifier_operand();
 				}
 				break;
 			}
 			_ctx.stop = _input.LT(-1);
-			setState(97);
+			setState(112);
 			_errHandler.sync(this);
-			_alt = getInterpreter().adaptivePredict(_input,4,_ctx);
+			_alt = getInterpreter().adaptivePredict(_input,6,_ctx);
 			while ( _alt!=2 && _alt!=org.antlr.v4.runtime.atn.ATN.INVALID_ALT_NUMBER ) {
 				if ( _alt==1 ) {
 					if ( _parseListeners!=null ) triggerExitRuleEvent();
 					_prevctx = _localctx;
 					{
-					setState(95);
-					switch ( getInterpreter().adaptivePredict(_input,3,_ctx) ) {
-					case 1:
-						{
-						_localctx = new LogicalExpressionAndContext(new Comparison_exprContext(_parentctx, _parentState));
-						pushNewRecursionContext(_localctx, _startState, RULE_comparison_expr);
-						setState(89);
-						if (!(precpred(_ctx, 5))) throw new FailedPredicateException(this, "precpred(_ctx, 5)");
-						setState(90);
-						match(AND);
-						setState(91);
-						comparison_expr(6);
-						}
-						break;
-					case 2:
-						{
-						_localctx = new LogicalExpressionOrContext(new Comparison_exprContext(_parentctx, _parentState));
-						pushNewRecursionContext(_localctx, _startState, RULE_comparison_expr);
-						setState(92);
-						if (!(precpred(_ctx, 4))) throw new FailedPredicateException(this, "precpred(_ctx, 4)");
-						setState(93);
-						match(OR);
-						setState(94);
-						comparison_expr(5);
-						}
-						break;
+					{
+					_localctx = new ComparisonExpressionWithOperatorContext(new Comparison_exprContext(_parentctx, _parentState));
+					pushNewRecursionContext(_localctx, _startState, RULE_comparison_expr);
+					setState(106);
+					if (!(precpred(_ctx, 4))) throw new FailedPredicateException(this, "precpred(_ctx, 4)");
+					setState(107);
+					comp_operator();
+					setState(108);
+					comparison_expr(5);
 					}
 					} 
 				}
-				setState(99);
+				setState(114);
 				_errHandler.sync(this);
-				_alt = getInterpreter().adaptivePredict(_input,4,_ctx);
+				_alt = getInterpreter().adaptivePredict(_input,6,_ctx);
 			}
 			}
 		}
@@ -755,11 +929,11 @@ public class StellarParser extends Parser {
 
 	public final Transformation_entityContext transformation_entity() throws RecognitionException {
 		Transformation_entityContext _localctx = new Transformation_entityContext(_ctx, getState());
-		enterRule(_localctx, 8, RULE_transformation_entity);
+		enterRule(_localctx, 14, RULE_transformation_entity);
 		try {
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(100);
+			setState(115);
 			identifier_operand();
 			}
 		}
@@ -805,13 +979,13 @@ public class StellarParser extends Parser {
 
 	public final Comp_operatorContext comp_operator() throws RecognitionException {
 		Comp_operatorContext _localctx = new Comp_operatorContext(_ctx, getState());
-		enterRule(_localctx, 10, RULE_comp_operator);
+		enterRule(_localctx, 16, RULE_comp_operator);
 		int _la;
 		try {
 			_localctx = new ComparisonOpContext(_localctx);
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(102);
+			setState(117);
 			_la = _input.LA(1);
 			if ( !((((_la) & ~0x3f) == 0 && ((1L << _la) & ((1L << EQ) | (1L << NEQ) | (1L << LT) | (1L << LTE) | (1L << GT) | (1L << GTE))) != 0)) ) {
 			_errHandler.recoverInline(this);
@@ -831,112 +1005,6 @@ public class StellarParser extends Parser {
 		return _localctx;
 	}
 
-	public static class Arith_operator_additionContext extends ParserRuleContext {
-		public Arith_operator_additionContext(ParserRuleContext parent, int invokingState) {
-			super(parent, invokingState);
-		}
-		@Override public int getRuleIndex() { return RULE_arith_operator_addition; }
-	 
-		public Arith_operator_additionContext() { }
-		public void copyFrom(Arith_operator_additionContext ctx) {
-			super.copyFrom(ctx);
-		}
-	}
-	public static class ArithOp_plusContext extends Arith_operator_additionContext {
-		public TerminalNode PLUS() { return getToken(StellarParser.PLUS, 0); }
-		public TerminalNode MINUS() { return getToken(StellarParser.MINUS, 0); }
-		public ArithOp_plusContext(Arith_operator_additionContext ctx) { copyFrom(ctx); }
-		@Override
-		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof StellarListener ) ((StellarListener)listener).enterArithOp_plus(this);
-		}
-		@Override
-		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof StellarListener ) ((StellarListener)listener).exitArithOp_plus(this);
-		}
-	}
-
-	public final Arith_operator_additionContext arith_operator_addition() throws RecognitionException {
-		Arith_operator_additionContext _localctx = new Arith_operator_additionContext(_ctx, getState());
-		enterRule(_localctx, 12, RULE_arith_operator_addition);
-		int _la;
-		try {
-			_localctx = new ArithOp_plusContext(_localctx);
-			enterOuterAlt(_localctx, 1);
-			{
-			setState(104);
-			_la = _input.LA(1);
-			if ( !(_la==MINUS || _la==PLUS) ) {
-			_errHandler.recoverInline(this);
-			} else {
-				consume();
-			}
-			}
-		}
-		catch (RecognitionException re) {
-			_localctx.exception = re;
-			_errHandler.reportError(this, re);
-			_errHandler.recover(this, re);
-		}
-		finally {
-			exitRule();
-		}
-		return _localctx;
-	}
-
-	public static class Arith_operator_mulContext extends ParserRuleContext {
-		public Arith_operator_mulContext(ParserRuleContext parent, int invokingState) {
-			super(parent, invokingState);
-		}
-		@Override public int getRuleIndex() { return RULE_arith_operator_mul; }
-	 
-		public Arith_operator_mulContext() { }
-		public void copyFrom(Arith_operator_mulContext ctx) {
-			super.copyFrom(ctx);
-		}
-	}
-	public static class ArithOp_mulContext extends Arith_operator_mulContext {
-		public TerminalNode MUL() { return getToken(StellarParser.MUL, 0); }
-		public TerminalNode DIV() { return getToken(StellarParser.DIV, 0); }
-		public ArithOp_mulContext(Arith_operator_mulContext ctx) { copyFrom(ctx); }
-		@Override
-		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof StellarListener ) ((StellarListener)listener).enterArithOp_mul(this);
-		}
-		@Override
-		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof StellarListener ) ((StellarListener)listener).exitArithOp_mul(this);
-		}
-	}
-
-	public final Arith_operator_mulContext arith_operator_mul() throws RecognitionException {
-		Arith_operator_mulContext _localctx = new Arith_operator_mulContext(_ctx, getState());
-		enterRule(_localctx, 14, RULE_arith_operator_mul);
-		int _la;
-		try {
-			_localctx = new ArithOp_mulContext(_localctx);
-			enterOuterAlt(_localctx, 1);
-			{
-			setState(106);
-			_la = _input.LA(1);
-			if ( !(_la==DIV || _la==MUL) ) {
-			_errHandler.recoverInline(this);
-			} else {
-				consume();
-			}
-			}
-		}
-		catch (RecognitionException re) {
-			_localctx.exception = re;
-			_errHandler.reportError(this, re);
-			_errHandler.recover(this, re);
-		}
-		finally {
-			exitRule();
-		}
-		return _localctx;
-	}
-
 	public static class Func_argsContext extends ParserRuleContext {
 		public TerminalNode LPAREN() { return getToken(StellarParser.LPAREN, 0); }
 		public Op_listContext op_list() {
@@ -959,27 +1027,27 @@ public class StellarParser extends Parser {
 
 	public final Func_argsContext func_args() throws RecognitionException {
 		Func_argsContext _localctx = new Func_argsContext(_ctx, getState());
-		enterRule(_localctx, 16, RULE_func_args);
+		enterRule(_localctx, 18, RULE_func_args);
 		try {
-			setState(114);
-			switch ( getInterpreter().adaptivePredict(_input,5,_ctx) ) {
+			setState(125);
+			switch ( getInterpreter().adaptivePredict(_input,7,_ctx) ) {
 			case 1:
 				enterOuterAlt(_localctx, 1);
 				{
-				setState(108);
+				setState(119);
 				match(LPAREN);
-				setState(109);
+				setState(120);
 				op_list(0);
-				setState(110);
+				setState(121);
 				match(RPAREN);
 				}
 				break;
 			case 2:
 				enterOuterAlt(_localctx, 2);
 				{
-				setState(112);
+				setState(123);
 				match(LPAREN);
-				setState(113);
+				setState(124);
 				match(RPAREN);
 				}
 				break;
@@ -1030,47 +1098,47 @@ public class StellarParser extends Parser {
 		int _parentState = getState();
 		Op_listContext _localctx = new Op_listContext(_ctx, _parentState);
 		Op_listContext _prevctx = _localctx;
-		int _startState = 18;
-		enterRecursionRule(_localctx, 18, RULE_op_list, _p);
+		int _startState = 20;
+		enterRecursionRule(_localctx, 20, RULE_op_list, _p);
 		try {
 			int _alt;
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(119);
-			switch ( getInterpreter().adaptivePredict(_input,6,_ctx) ) {
+			setState(130);
+			switch ( getInterpreter().adaptivePredict(_input,8,_ctx) ) {
 			case 1:
 				{
-				setState(117);
+				setState(128);
 				identifier_operand();
 				}
 				break;
 			case 2:
 				{
-				setState(118);
+				setState(129);
 				conditional_expr();
 				}
 				break;
 			}
 			_ctx.stop = _input.LT(-1);
-			setState(129);
+			setState(140);
 			_errHandler.sync(this);
-			_alt = getInterpreter().adaptivePredict(_input,8,_ctx);
+			_alt = getInterpreter().adaptivePredict(_input,10,_ctx);
 			while ( _alt!=2 && _alt!=org.antlr.v4.runtime.atn.ATN.INVALID_ALT_NUMBER ) {
 				if ( _alt==1 ) {
 					if ( _parseListeners!=null ) triggerExitRuleEvent();
 					_prevctx = _localctx;
 					{
-					setState(127);
-					switch ( getInterpreter().adaptivePredict(_input,7,_ctx) ) {
+					setState(138);
+					switch ( getInterpreter().adaptivePredict(_input,9,_ctx) ) {
 					case 1:
 						{
 						_localctx = new Op_listContext(_parentctx, _parentState);
 						pushNewRecursionContext(_localctx, _startState, RULE_op_list);
-						setState(121);
+						setState(132);
 						if (!(precpred(_ctx, 3))) throw new FailedPredicateException(this, "precpred(_ctx, 3)");
-						setState(122);
+						setState(133);
 						match(COMMA);
-						setState(123);
+						setState(134);
 						identifier_operand();
 						}
 						break;
@@ -1078,20 +1146,20 @@ public class StellarParser extends Parser {
 						{
 						_localctx = new Op_listContext(_parentctx, _parentState);
 						pushNewRecursionContext(_localctx, _startState, RULE_op_list);
-						setState(124);
+						setState(135);
 						if (!(precpred(_ctx, 1))) throw new FailedPredicateException(this, "precpred(_ctx, 1)");
-						setState(125);
+						setState(136);
 						match(COMMA);
-						setState(126);
+						setState(137);
 						conditional_expr();
 						}
 						break;
 					}
 					} 
 				}
-				setState(131);
+				setState(142);
 				_errHandler.sync(this);
-				_alt = getInterpreter().adaptivePredict(_input,8,_ctx);
+				_alt = getInterpreter().adaptivePredict(_input,10,_ctx);
 			}
 			}
 		}
@@ -1128,27 +1196,27 @@ public class StellarParser extends Parser {
 
 	public final List_entityContext list_entity() throws RecognitionException {
 		List_entityContext _localctx = new List_entityContext(_ctx, getState());
-		enterRule(_localctx, 20, RULE_list_entity);
+		enterRule(_localctx, 22, RULE_list_entity);
 		try {
-			setState(138);
-			switch ( getInterpreter().adaptivePredict(_input,9,_ctx) ) {
+			setState(149);
+			switch ( getInterpreter().adaptivePredict(_input,11,_ctx) ) {
 			case 1:
 				enterOuterAlt(_localctx, 1);
 				{
-				setState(132);
+				setState(143);
 				match(LBRACKET);
-				setState(133);
+				setState(144);
 				op_list(0);
-				setState(134);
+				setState(145);
 				match(RBRACKET);
 				}
 				break;
 			case 2:
 				enterOuterAlt(_localctx, 2);
 				{
-				setState(136);
+				setState(147);
 				match(LBRACKET);
-				setState(137);
+				setState(148);
 				match(RBRACKET);
 				}
 				break;
@@ -1200,24 +1268,24 @@ public class StellarParser extends Parser {
 		int _parentState = getState();
 		Kv_listContext _localctx = new Kv_listContext(_ctx, _parentState);
 		Kv_listContext _prevctx = _localctx;
-		int _startState = 22;
-		enterRecursionRule(_localctx, 22, RULE_kv_list, _p);
+		int _startState = 24;
+		enterRecursionRule(_localctx, 24, RULE_kv_list, _p);
 		try {
 			int _alt;
 			enterOuterAlt(_localctx, 1);
 			{
 			{
-			setState(141);
+			setState(152);
 			identifier_operand();
-			setState(142);
+			setState(153);
 			match(COLON);
-			setState(143);
+			setState(154);
 			transformation_expr();
 			}
 			_ctx.stop = _input.LT(-1);
-			setState(153);
+			setState(164);
 			_errHandler.sync(this);
-			_alt = getInterpreter().adaptivePredict(_input,10,_ctx);
+			_alt = getInterpreter().adaptivePredict(_input,12,_ctx);
 			while ( _alt!=2 && _alt!=org.antlr.v4.runtime.atn.ATN.INVALID_ALT_NUMBER ) {
 				if ( _alt==1 ) {
 					if ( _parseListeners!=null ) triggerExitRuleEvent();
@@ -1226,22 +1294,22 @@ public class StellarParser extends Parser {
 					{
 					_localctx = new Kv_listContext(_parentctx, _parentState);
 					pushNewRecursionContext(_localctx, _startState, RULE_kv_list);
-					setState(145);
+					setState(156);
 					if (!(precpred(_ctx, 1))) throw new FailedPredicateException(this, "precpred(_ctx, 1)");
-					setState(146);
+					setState(157);
 					match(COMMA);
-					setState(147);
+					setState(158);
 					identifier_operand();
-					setState(148);
+					setState(159);
 					match(COLON);
-					setState(149);
+					setState(160);
 					transformation_expr();
 					}
 					} 
 				}
-				setState(155);
+				setState(166);
 				_errHandler.sync(this);
-				_alt = getInterpreter().adaptivePredict(_input,10,_ctx);
+				_alt = getInterpreter().adaptivePredict(_input,12,_ctx);
 			}
 			}
 		}
@@ -1278,27 +1346,27 @@ public class StellarParser extends Parser {
 
 	public final Map_entityContext map_entity() throws RecognitionException {
 		Map_entityContext _localctx = new Map_entityContext(_ctx, getState());
-		enterRule(_localctx, 24, RULE_map_entity);
+		enterRule(_localctx, 26, RULE_map_entity);
 		try {
-			setState(162);
-			switch ( getInterpreter().adaptivePredict(_input,11,_ctx) ) {
+			setState(173);
+			switch ( getInterpreter().adaptivePredict(_input,13,_ctx) ) {
 			case 1:
 				enterOuterAlt(_localctx, 1);
 				{
-				setState(156);
+				setState(167);
 				match(LBRACE);
-				setState(157);
+				setState(168);
 				kv_list(0);
-				setState(158);
+				setState(169);
 				match(RBRACE);
 				}
 				break;
 			case 2:
 				enterOuterAlt(_localctx, 2);
 				{
-				setState(160);
+				setState(171);
 				match(LBRACE);
-				setState(161);
+				setState(172);
 				match(RBRACE);
 				}
 				break;
@@ -1386,8 +1454,8 @@ public class StellarParser extends Parser {
 		int _parentState = getState();
 		Arithmetic_exprContext _localctx = new Arithmetic_exprContext(_ctx, _parentState);
 		Arithmetic_exprContext _prevctx = _localctx;
-		int _startState = 26;
-		enterRecursionRule(_localctx, 26, RULE_arithmetic_expr, _p);
+		int _startState = 28;
+		enterRecursionRule(_localctx, 28, RULE_arithmetic_expr, _p);
 		try {
 			int _alt;
 			enterOuterAlt(_localctx, 1);
@@ -1397,29 +1465,29 @@ public class StellarParser extends Parser {
 			_ctx = _localctx;
 			_prevctx = _localctx;
 
-			setState(165);
+			setState(176);
 			arithmetic_expr_mul(0);
 			}
 			_ctx.stop = _input.LT(-1);
-			setState(175);
+			setState(186);
 			_errHandler.sync(this);
-			_alt = getInterpreter().adaptivePredict(_input,13,_ctx);
+			_alt = getInterpreter().adaptivePredict(_input,15,_ctx);
 			while ( _alt!=2 && _alt!=org.antlr.v4.runtime.atn.ATN.INVALID_ALT_NUMBER ) {
 				if ( _alt==1 ) {
 					if ( _parseListeners!=null ) triggerExitRuleEvent();
 					_prevctx = _localctx;
 					{
-					setState(173);
-					switch ( getInterpreter().adaptivePredict(_input,12,_ctx) ) {
+					setState(184);
+					switch ( getInterpreter().adaptivePredict(_input,14,_ctx) ) {
 					case 1:
 						{
 						_localctx = new ArithExpr_plusContext(new Arithmetic_exprContext(_parentctx, _parentState));
 						pushNewRecursionContext(_localctx, _startState, RULE_arithmetic_expr);
-						setState(167);
+						setState(178);
 						if (!(precpred(_ctx, 2))) throw new FailedPredicateException(this, "precpred(_ctx, 2)");
-						setState(168);
+						setState(179);
 						match(PLUS);
-						setState(169);
+						setState(180);
 						arithmetic_expr_mul(0);
 						}
 						break;
@@ -1427,20 +1495,20 @@ public class StellarParser extends Parser {
 						{
 						_localctx = new ArithExpr_minusContext(new Arithmetic_exprContext(_parentctx, _parentState));
 						pushNewRecursionContext(_localctx, _startState, RULE_arithmetic_expr);
-						setState(170);
+						setState(181);
 						if (!(precpred(_ctx, 1))) throw new FailedPredicateException(this, "precpred(_ctx, 1)");
-						setState(171);
+						setState(182);
 						match(MINUS);
-						setState(172);
+						setState(183);
 						arithmetic_expr_mul(0);
 						}
 						break;
 					}
 					} 
 				}
-				setState(177);
+				setState(188);
 				_errHandler.sync(this);
-				_alt = getInterpreter().adaptivePredict(_input,13,_ctx);
+				_alt = getInterpreter().adaptivePredict(_input,15,_ctx);
 			}
 			}
 		}
@@ -1526,8 +1594,8 @@ public class StellarParser extends Parser {
 		int _parentState = getState();
 		Arithmetic_expr_mulContext _localctx = new Arithmetic_expr_mulContext(_ctx, _parentState);
 		Arithmetic_expr_mulContext _prevctx = _localctx;
-		int _startState = 28;
-		enterRecursionRule(_localctx, 28, RULE_arithmetic_expr_mul, _p);
+		int _startState = 30;
+		enterRecursionRule(_localctx, 30, RULE_arithmetic_expr_mul, _p);
 		try {
 			int _alt;
 			enterOuterAlt(_localctx, 1);
@@ -1537,29 +1605,29 @@ public class StellarParser extends Parser {
 			_ctx = _localctx;
 			_prevctx = _localctx;
 
-			setState(179);
+			setState(190);
 			arithmetic_operands();
 			}
 			_ctx.stop = _input.LT(-1);
-			setState(189);
+			setState(200);
 			_errHandler.sync(this);
-			_alt = getInterpreter().adaptivePredict(_input,15,_ctx);
+			_alt = getInterpreter().adaptivePredict(_input,17,_ctx);
 			while ( _alt!=2 && _alt!=org.antlr.v4.runtime.atn.ATN.INVALID_ALT_NUMBER ) {
 				if ( _alt==1 ) {
 					if ( _parseListeners!=null ) triggerExitRuleEvent();
 					_prevctx = _localctx;
 					{
-					setState(187);
-					switch ( getInterpreter().adaptivePredict(_input,14,_ctx) ) {
+					setState(198);
+					switch ( getInterpreter().adaptivePredict(_input,16,_ctx) ) {
 					case 1:
 						{
 						_localctx = new ArithExpr_mulContext(new Arithmetic_expr_mulContext(_parentctx, _parentState));
 						pushNewRecursionContext(_localctx, _startState, RULE_arithmetic_expr_mul);
-						setState(181);
+						setState(192);
 						if (!(precpred(_ctx, 2))) throw new FailedPredicateException(this, "precpred(_ctx, 2)");
-						setState(182);
+						setState(193);
 						match(MUL);
-						setState(183);
+						setState(194);
 						arithmetic_expr_mul(3);
 						}
 						break;
@@ -1567,20 +1635,20 @@ public class StellarParser extends Parser {
 						{
 						_localctx = new ArithExpr_divContext(new Arithmetic_expr_mulContext(_parentctx, _parentState));
 						pushNewRecursionContext(_localctx, _startState, RULE_arithmetic_expr_mul);
-						setState(184);
+						setState(195);
 						if (!(precpred(_ctx, 1))) throw new FailedPredicateException(this, "precpred(_ctx, 1)");
-						setState(185);
+						setState(196);
 						match(DIV);
-						setState(186);
+						setState(197);
 						arithmetic_expr_mul(2);
 						}
 						break;
 					}
 					} 
 				}
-				setState(191);
+				setState(202);
 				_errHandler.sync(this);
-				_alt = getInterpreter().adaptivePredict(_input,15,_ctx);
+				_alt = getInterpreter().adaptivePredict(_input,17,_ctx);
 			}
 			}
 		}
@@ -1624,14 +1692,14 @@ public class StellarParser extends Parser {
 
 	public final FunctionsContext functions() throws RecognitionException {
 		FunctionsContext _localctx = new FunctionsContext(_ctx, getState());
-		enterRule(_localctx, 30, RULE_functions);
+		enterRule(_localctx, 32, RULE_functions);
 		try {
 			_localctx = new TransformationFuncContext(_localctx);
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(192);
+			setState(203);
 			match(IDENTIFIER);
-			setState(193);
+			setState(204);
 			func_args();
 			}
 		}
@@ -1766,15 +1834,15 @@ public class StellarParser extends Parser {
 
 	public final Arithmetic_operandsContext arithmetic_operands() throws RecognitionException {
 		Arithmetic_operandsContext _localctx = new Arithmetic_operandsContext(_ctx, getState());
-		enterRule(_localctx, 32, RULE_arithmetic_operands);
+		enterRule(_localctx, 34, RULE_arithmetic_operands);
 		try {
-			setState(209);
-			switch ( getInterpreter().adaptivePredict(_input,16,_ctx) ) {
+			setState(220);
+			switch ( getInterpreter().adaptivePredict(_input,18,_ctx) ) {
 			case 1:
 				_localctx = new NumericFunctionsContext(_localctx);
 				enterOuterAlt(_localctx, 1);
 				{
-				setState(195);
+				setState(206);
 				functions();
 				}
 				break;
@@ -1782,7 +1850,7 @@ public class StellarParser extends Parser {
 				_localctx = new DoubleLiteralContext(_localctx);
 				enterOuterAlt(_localctx, 2);
 				{
-				setState(196);
+				setState(207);
 				match(DOUBLE_LITERAL);
 				}
 				break;
@@ -1790,7 +1858,7 @@ public class StellarParser extends Parser {
 				_localctx = new IntLiteralContext(_localctx);
 				enterOuterAlt(_localctx, 3);
 				{
-				setState(197);
+				setState(208);
 				match(INT_LITERAL);
 				}
 				break;
@@ -1798,7 +1866,7 @@ public class StellarParser extends Parser {
 				_localctx = new LongLiteralContext(_localctx);
 				enterOuterAlt(_localctx, 4);
 				{
-				setState(198);
+				setState(209);
 				match(LONG_LITERAL);
 				}
 				break;
@@ -1806,7 +1874,7 @@ public class StellarParser extends Parser {
 				_localctx = new FloatLiteralContext(_localctx);
 				enterOuterAlt(_localctx, 5);
 				{
-				setState(199);
+				setState(210);
 				match(FLOAT_LITERAL);
 				}
 				break;
@@ -1814,7 +1882,7 @@ public class StellarParser extends Parser {
 				_localctx = new VariableContext(_localctx);
 				enterOuterAlt(_localctx, 6);
 				{
-				setState(200);
+				setState(211);
 				match(IDENTIFIER);
 				}
 				break;
@@ -1822,11 +1890,11 @@ public class StellarParser extends Parser {
 				_localctx = new ParenArithContext(_localctx);
 				enterOuterAlt(_localctx, 7);
 				{
-				setState(201);
+				setState(212);
 				match(LPAREN);
-				setState(202);
+				setState(213);
 				arithmetic_expr(0);
-				setState(203);
+				setState(214);
 				match(RPAREN);
 				}
 				break;
@@ -1834,11 +1902,11 @@ public class StellarParser extends Parser {
 				_localctx = new CondExprContext(_localctx);
 				enterOuterAlt(_localctx, 8);
 				{
-				setState(205);
+				setState(216);
 				match(LPAREN);
-				setState(206);
+				setState(217);
 				conditional_expr();
-				setState(207);
+				setState(218);
 				match(RPAREN);
 				}
 				break;
@@ -1979,16 +2047,16 @@ public class StellarParser extends Parser {
 
 	public final Identifier_operandContext identifier_operand() throws RecognitionException {
 		Identifier_operandContext _localctx = new Identifier_operandContext(_ctx, getState());
-		enterRule(_localctx, 34, RULE_identifier_operand);
+		enterRule(_localctx, 36, RULE_identifier_operand);
 		int _la;
 		try {
-			setState(225);
-			switch ( getInterpreter().adaptivePredict(_input,17,_ctx) ) {
+			setState(236);
+			switch ( getInterpreter().adaptivePredict(_input,19,_ctx) ) {
 			case 1:
 				_localctx = new LogicalConstContext(_localctx);
 				enterOuterAlt(_localctx, 1);
 				{
-				setState(211);
+				setState(222);
 				_la = _input.LA(1);
 				if ( !(_la==TRUE || _la==FALSE) ) {
 				_errHandler.recoverInline(this);
@@ -2001,7 +2069,7 @@ public class StellarParser extends Parser {
 				_localctx = new ArithmeticOperandsContext(_localctx);
 				enterOuterAlt(_localctx, 2);
 				{
-				setState(212);
+				setState(223);
 				arithmetic_expr(0);
 				}
 				break;
@@ -2009,7 +2077,7 @@ public class StellarParser extends Parser {
 				_localctx = new StringLiteralContext(_localctx);
 				enterOuterAlt(_localctx, 3);
 				{
-				setState(213);
+				setState(224);
 				match(STRING_LITERAL);
 				}
 				break;
@@ -2017,7 +2085,7 @@ public class StellarParser extends Parser {
 				_localctx = new ListContext(_localctx);
 				enterOuterAlt(_localctx, 4);
 				{
-				setState(214);
+				setState(225);
 				list_entity();
 				}
 				break;
@@ -2025,7 +2093,7 @@ public class StellarParser extends Parser {
 				_localctx = new MapConstContext(_localctx);
 				enterOuterAlt(_localctx, 5);
 				{
-				setState(215);
+				setState(226);
 				map_entity();
 				}
 				break;
@@ -2033,7 +2101,7 @@ public class StellarParser extends Parser {
 				_localctx = new NullConstContext(_localctx);
 				enterOuterAlt(_localctx, 6);
 				{
-				setState(216);
+				setState(227);
 				match(NULL);
 				}
 				break;
@@ -2041,13 +2109,13 @@ public class StellarParser extends Parser {
 				_localctx = new ExistsFuncContext(_localctx);
 				enterOuterAlt(_localctx, 7);
 				{
-				setState(217);
+				setState(228);
 				match(EXISTS);
-				setState(218);
+				setState(229);
 				match(LPAREN);
-				setState(219);
+				setState(230);
 				match(IDENTIFIER);
-				setState(220);
+				setState(231);
 				match(RPAREN);
 				}
 				break;
@@ -2055,11 +2123,11 @@ public class StellarParser extends Parser {
 				_localctx = new CondExpr_parenContext(_localctx);
 				enterOuterAlt(_localctx, 8);
 				{
-				setState(221);
+				setState(232);
 				match(LPAREN);
-				setState(222);
+				setState(233);
 				conditional_expr();
-				setState(223);
+				setState(234);
 				match(RPAREN);
 				}
 				break;
@@ -2078,15 +2146,15 @@ public class StellarParser extends Parser {
 
 	public boolean sempred(RuleContext _localctx, int ruleIndex, int predIndex) {
 		switch (ruleIndex) {
-		case 3:
+		case 6:
 			return comparison_expr_sempred((Comparison_exprContext)_localctx, predIndex);
-		case 9:
+		case 10:
 			return op_list_sempred((Op_listContext)_localctx, predIndex);
-		case 11:
+		case 12:
 			return kv_list_sempred((Kv_listContext)_localctx, predIndex);
-		case 13:
-			return arithmetic_expr_sempred((Arithmetic_exprContext)_localctx, predIndex);
 		case 14:
+			return arithmetic_expr_sempred((Arithmetic_exprContext)_localctx, predIndex);
+		case 15:
 			return arithmetic_expr_mul_sempred((Arithmetic_expr_mulContext)_localctx, predIndex);
 		}
 		return true;
@@ -2094,122 +2162,125 @@ public class StellarParser extends Parser {
 	private boolean comparison_expr_sempred(Comparison_exprContext _localctx, int predIndex) {
 		switch (predIndex) {
 		case 0:
-			return precpred(_ctx, 5);
-		case 1:
 			return precpred(_ctx, 4);
 		}
 		return true;
 	}
 	private boolean op_list_sempred(Op_listContext _localctx, int predIndex) {
 		switch (predIndex) {
-		case 2:
+		case 1:
 			return precpred(_ctx, 3);
-		case 3:
+		case 2:
 			return precpred(_ctx, 1);
 		}
 		return true;
 	}
 	private boolean kv_list_sempred(Kv_listContext _localctx, int predIndex) {
 		switch (predIndex) {
-		case 4:
+		case 3:
 			return precpred(_ctx, 1);
 		}
 		return true;
 	}
 	private boolean arithmetic_expr_sempred(Arithmetic_exprContext _localctx, int predIndex) {
 		switch (predIndex) {
-		case 5:
+		case 4:
 			return precpred(_ctx, 2);
-		case 6:
+		case 5:
 			return precpred(_ctx, 1);
 		}
 		return true;
 	}
 	private boolean arithmetic_expr_mul_sempred(Arithmetic_expr_mulContext _localctx, int predIndex) {
 		switch (predIndex) {
-		case 7:
+		case 6:
 			return precpred(_ctx, 2);
-		case 8:
+		case 7:
 			return precpred(_ctx, 1);
 		}
 		return true;
 	}
 
 	public static final String _serializedATN =
-		"\3\u0430\ud6d1\u8206\uad2d\u4417\uaef1\u8d80\uaadd\3-\u00e6\4\2\t\2\4"+
+		"\3\u0430\ud6d1\u8206\uad2d\u4417\uaef1\u8d80\uaadd\3-\u00f1\4\2\t\2\4"+
 		"\3\t\3\4\4\t\4\4\5\t\5\4\6\t\6\4\7\t\7\4\b\t\b\4\t\t\t\4\n\t\n\4\13\t"+
 		"\13\4\f\t\f\4\r\t\r\4\16\t\16\4\17\t\17\4\20\t\20\4\21\t\21\4\22\t\22"+
-		"\4\23\t\23\3\2\3\2\3\2\3\3\3\3\3\3\3\3\3\3\3\3\3\3\3\3\5\3\62\n\3\3\4"+
-		"\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\5\4A\n\4\3\5\3\5\3\5"+
-		"\3\5\3\5\3\5\3\5\3\5\3\5\3\5\3\5\3\5\3\5\3\5\3\5\3\5\3\5\3\5\3\5\3\5\3"+
-		"\5\3\5\3\5\5\5Z\n\5\3\5\3\5\3\5\3\5\3\5\3\5\7\5b\n\5\f\5\16\5e\13\5\3"+
-		"\6\3\6\3\7\3\7\3\b\3\b\3\t\3\t\3\n\3\n\3\n\3\n\3\n\3\n\5\nu\n\n\3\13\3"+
-		"\13\3\13\5\13z\n\13\3\13\3\13\3\13\3\13\3\13\3\13\7\13\u0082\n\13\f\13"+
-		"\16\13\u0085\13\13\3\f\3\f\3\f\3\f\3\f\3\f\5\f\u008d\n\f\3\r\3\r\3\r\3"+
-		"\r\3\r\3\r\3\r\3\r\3\r\3\r\3\r\7\r\u009a\n\r\f\r\16\r\u009d\13\r\3\16"+
-		"\3\16\3\16\3\16\3\16\3\16\5\16\u00a5\n\16\3\17\3\17\3\17\3\17\3\17\3\17"+
-		"\3\17\3\17\3\17\7\17\u00b0\n\17\f\17\16\17\u00b3\13\17\3\20\3\20\3\20"+
-		"\3\20\3\20\3\20\3\20\3\20\3\20\7\20\u00be\n\20\f\20\16\20\u00c1\13\20"+
-		"\3\21\3\21\3\21\3\22\3\22\3\22\3\22\3\22\3\22\3\22\3\22\3\22\3\22\3\22"+
-		"\3\22\3\22\3\22\5\22\u00d4\n\22\3\23\3\23\3\23\3\23\3\23\3\23\3\23\3\23"+
-		"\3\23\3\23\3\23\3\23\3\23\3\23\5\23\u00e4\n\23\3\23\2\7\b\24\30\34\36"+
-		"\24\2\4\6\b\n\f\16\20\22\24\26\30\32\34\36 \"$\2\6\3\2\f\21\3\2\30\31"+
-		"\3\2\32\33\3\2\n\13\u00f8\2&\3\2\2\2\4\61\3\2\2\2\6@\3\2\2\2\bY\3\2\2"+
-		"\2\nf\3\2\2\2\fh\3\2\2\2\16j\3\2\2\2\20l\3\2\2\2\22t\3\2\2\2\24y\3\2\2"+
-		"\2\26\u008c\3\2\2\2\30\u008e\3\2\2\2\32\u00a4\3\2\2\2\34\u00a6\3\2\2\2"+
-		"\36\u00b4\3\2\2\2 \u00c2\3\2\2\2\"\u00d3\3\2\2\2$\u00e3\3\2\2\2&\'\5\4"+
-		"\3\2\'(\7\2\2\3(\3\3\2\2\2)\62\5\6\4\2*+\7 \2\2+,\5\4\3\2,-\7!\2\2-\62"+
-		"\3\2\2\2.\62\5\34\17\2/\62\5\n\6\2\60\62\5\b\5\2\61)\3\2\2\2\61*\3\2\2"+
-		"\2\61.\3\2\2\2\61/\3\2\2\2\61\60\3\2\2\2\62\5\3\2\2\2\63\64\5\b\5\2\64"+
-		"\65\7\22\2\2\65\66\5\4\3\2\66\67\7\23\2\2\678\5\4\3\28A\3\2\2\29:\7\24"+
-		"\2\2:;\5\b\5\2;<\7\25\2\2<=\5\4\3\2=>\7\26\2\2>?\5\4\3\2?A\3\2\2\2@\63"+
-		"\3\2\2\2@9\3\2\2\2A\7\3\2\2\2BC\b\5\1\2CD\5$\23\2DE\5\f\7\2EF\5$\23\2"+
-		"FZ\3\2\2\2GH\5$\23\2HI\7\"\2\2IJ\5$\23\2JZ\3\2\2\2KL\5$\23\2LM\7#\2\2"+
-		"MN\5$\23\2NZ\3\2\2\2OP\7\t\2\2PQ\7 \2\2QR\5\b\5\2RS\7!\2\2SZ\3\2\2\2T"+
-		"U\7 \2\2UV\5\b\5\2VW\7!\2\2WZ\3\2\2\2XZ\5$\23\2YB\3\2\2\2YG\3\2\2\2YK"+
-		"\3\2\2\2YO\3\2\2\2YT\3\2\2\2YX\3\2\2\2Zc\3\2\2\2[\\\f\7\2\2\\]\7\7\2\2"+
-		"]b\5\b\5\b^_\f\6\2\2_`\7\b\2\2`b\5\b\5\7a[\3\2\2\2a^\3\2\2\2be\3\2\2\2"+
-		"ca\3\2\2\2cd\3\2\2\2d\t\3\2\2\2ec\3\2\2\2fg\5$\23\2g\13\3\2\2\2hi\t\2"+
-		"\2\2i\r\3\2\2\2jk\t\3\2\2k\17\3\2\2\2lm\t\4\2\2m\21\3\2\2\2no\7 \2\2o"+
-		"p\5\24\13\2pq\7!\2\2qu\3\2\2\2rs\7 \2\2su\7!\2\2tn\3\2\2\2tr\3\2\2\2u"+
-		"\23\3\2\2\2vw\b\13\1\2wz\5$\23\2xz\5\6\4\2yv\3\2\2\2yx\3\2\2\2z\u0083"+
-		"\3\2\2\2{|\f\5\2\2|}\7\5\2\2}\u0082\5$\23\2~\177\f\3\2\2\177\u0080\7\5"+
-		"\2\2\u0080\u0082\5\6\4\2\u0081{\3\2\2\2\u0081~\3\2\2\2\u0082\u0085\3\2"+
-		"\2\2\u0083\u0081\3\2\2\2\u0083\u0084\3\2\2\2\u0084\25\3\2\2\2\u0085\u0083"+
-		"\3\2\2\2\u0086\u0087\7\36\2\2\u0087\u0088\5\24\13\2\u0088\u0089\7\37\2"+
-		"\2\u0089\u008d\3\2\2\2\u008a\u008b\7\36\2\2\u008b\u008d\7\37\2\2\u008c"+
-		"\u0086\3\2\2\2\u008c\u008a\3\2\2\2\u008d\27\3\2\2\2\u008e\u008f\b\r\1"+
-		"\2\u008f\u0090\5$\23\2\u0090\u0091\7\23\2\2\u0091\u0092\5\4\3\2\u0092"+
-		"\u009b\3\2\2\2\u0093\u0094\f\3\2\2\u0094\u0095\7\5\2\2\u0095\u0096\5$"+
-		"\23\2\u0096\u0097\7\23\2\2\u0097\u0098\5\4\3\2\u0098\u009a\3\2\2\2\u0099"+
-		"\u0093\3\2\2\2\u009a\u009d\3\2\2\2\u009b\u0099\3\2\2\2\u009b\u009c\3\2"+
-		"\2\2\u009c\31\3\2\2\2\u009d\u009b\3\2\2\2\u009e\u009f\7\34\2\2\u009f\u00a0"+
-		"\5\30\r\2\u00a0\u00a1\7\35\2\2\u00a1\u00a5\3\2\2\2\u00a2\u00a3\7\34\2"+
-		"\2\u00a3\u00a5\7\35\2\2\u00a4\u009e\3\2\2\2\u00a4\u00a2\3\2\2\2\u00a5"+
-		"\33\3\2\2\2\u00a6\u00a7\b\17\1\2\u00a7\u00a8\5\36\20\2\u00a8\u00b1\3\2"+
-		"\2\2\u00a9\u00aa\f\4\2\2\u00aa\u00ab\7\31\2\2\u00ab\u00b0\5\36\20\2\u00ac"+
-		"\u00ad\f\3\2\2\u00ad\u00ae\7\30\2\2\u00ae\u00b0\5\36\20\2\u00af\u00a9"+
-		"\3\2\2\2\u00af\u00ac\3\2\2\2\u00b0\u00b3\3\2\2\2\u00b1\u00af\3\2\2\2\u00b1"+
-		"\u00b2\3\2\2\2\u00b2\35\3\2\2\2\u00b3\u00b1\3\2\2\2\u00b4\u00b5\b\20\1"+
-		"\2\u00b5\u00b6\5\"\22\2\u00b6\u00bf\3\2\2\2\u00b7\u00b8\f\4\2\2\u00b8"+
-		"\u00b9\7\33\2\2\u00b9\u00be\5\36\20\5\u00ba\u00bb\f\3\2\2\u00bb\u00bc"+
-		"\7\32\2\2\u00bc\u00be\5\36\20\4\u00bd\u00b7\3\2\2\2\u00bd\u00ba\3\2\2"+
-		"\2\u00be\u00c1\3\2\2\2\u00bf\u00bd\3\2\2\2\u00bf\u00c0\3\2\2\2\u00c0\37"+
-		"\3\2\2\2\u00c1\u00bf\3\2\2\2\u00c2\u00c3\7*\2\2\u00c3\u00c4\5\22\n\2\u00c4"+
-		"!\3\2\2\2\u00c5\u00d4\5 \21\2\u00c6\u00d4\7\'\2\2\u00c7\u00d4\7&\2\2\u00c8"+
-		"\u00d4\7)\2\2\u00c9\u00d4\7(\2\2\u00ca\u00d4\7*\2\2\u00cb\u00cc\7 \2\2"+
-		"\u00cc\u00cd\5\34\17\2\u00cd\u00ce\7!\2\2\u00ce\u00d4\3\2\2\2\u00cf\u00d0"+
-		"\7 \2\2\u00d0\u00d1\5\6\4\2\u00d1\u00d2\7!\2\2\u00d2\u00d4\3\2\2\2\u00d3"+
-		"\u00c5\3\2\2\2\u00d3\u00c6\3\2\2\2\u00d3\u00c7\3\2\2\2\u00d3\u00c8\3\2"+
-		"\2\2\u00d3\u00c9\3\2\2\2\u00d3\u00ca\3\2\2\2\u00d3\u00cb\3\2\2\2\u00d3"+
-		"\u00cf\3\2\2\2\u00d4#\3\2\2\2\u00d5\u00e4\t\5\2\2\u00d6\u00e4\5\34\17"+
-		"\2\u00d7\u00e4\7+\2\2\u00d8\u00e4\5\26\f\2\u00d9\u00e4\5\32\16\2\u00da"+
-		"\u00e4\7\27\2\2\u00db\u00dc\7$\2\2\u00dc\u00dd\7 \2\2\u00dd\u00de\7*\2"+
-		"\2\u00de\u00e4\7!\2\2\u00df\u00e0\7 \2\2\u00e0\u00e1\5\6\4\2\u00e1\u00e2"+
-		"\7!\2\2\u00e2\u00e4\3\2\2\2\u00e3\u00d5\3\2\2\2\u00e3\u00d6\3\2\2\2\u00e3"+
-		"\u00d7\3\2\2\2\u00e3\u00d8\3\2\2\2\u00e3\u00d9\3\2\2\2\u00e3\u00da\3\2"+
-		"\2\2\u00e3\u00db\3\2\2\2\u00e3\u00df\3\2\2\2\u00e4%\3\2\2\2\24\61@Yac"+
-		"ty\u0081\u0083\u008c\u009b\u00a4\u00af\u00b1\u00bd\u00bf\u00d3\u00e3";
+		"\4\23\t\23\4\24\t\24\3\2\3\2\3\2\3\3\3\3\3\3\3\3\3\3\3\3\3\3\3\3\3\3\3"+
+		"\3\5\3\66\n\3\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\5\4"+
+		"E\n\4\3\5\3\5\3\5\3\5\3\5\3\5\3\5\3\5\3\5\5\5P\n\5\3\6\3\6\5\6T\n\6\3"+
+		"\7\3\7\3\7\3\7\3\7\3\7\3\7\3\7\5\7^\n\7\3\b\3\b\3\b\3\b\3\b\3\b\3\b\3"+
+		"\b\3\b\3\b\3\b\5\bk\n\b\3\b\3\b\3\b\3\b\7\bq\n\b\f\b\16\bt\13\b\3\t\3"+
+		"\t\3\n\3\n\3\13\3\13\3\13\3\13\3\13\3\13\5\13\u0080\n\13\3\f\3\f\3\f\5"+
+		"\f\u0085\n\f\3\f\3\f\3\f\3\f\3\f\3\f\7\f\u008d\n\f\f\f\16\f\u0090\13\f"+
+		"\3\r\3\r\3\r\3\r\3\r\3\r\5\r\u0098\n\r\3\16\3\16\3\16\3\16\3\16\3\16\3"+
+		"\16\3\16\3\16\3\16\3\16\7\16\u00a5\n\16\f\16\16\16\u00a8\13\16\3\17\3"+
+		"\17\3\17\3\17\3\17\3\17\5\17\u00b0\n\17\3\20\3\20\3\20\3\20\3\20\3\20"+
+		"\3\20\3\20\3\20\7\20\u00bb\n\20\f\20\16\20\u00be\13\20\3\21\3\21\3\21"+
+		"\3\21\3\21\3\21\3\21\3\21\3\21\7\21\u00c9\n\21\f\21\16\21\u00cc\13\21"+
+		"\3\22\3\22\3\22\3\23\3\23\3\23\3\23\3\23\3\23\3\23\3\23\3\23\3\23\3\23"+
+		"\3\23\3\23\3\23\5\23\u00df\n\23\3\24\3\24\3\24\3\24\3\24\3\24\3\24\3\24"+
+		"\3\24\3\24\3\24\3\24\3\24\3\24\5\24\u00ef\n\24\3\24\2\7\16\26\32\36 \25"+
+		"\2\4\6\b\n\f\16\20\22\24\26\30\32\34\36 \"$&\2\4\3\2\f\21\3\2\n\13\u0104"+
+		"\2(\3\2\2\2\4\65\3\2\2\2\6D\3\2\2\2\bO\3\2\2\2\nS\3\2\2\2\f]\3\2\2\2\16"+
+		"j\3\2\2\2\20u\3\2\2\2\22w\3\2\2\2\24\177\3\2\2\2\26\u0084\3\2\2\2\30\u0097"+
+		"\3\2\2\2\32\u0099\3\2\2\2\34\u00af\3\2\2\2\36\u00b1\3\2\2\2 \u00bf\3\2"+
+		"\2\2\"\u00cd\3\2\2\2$\u00de\3\2\2\2&\u00ee\3\2\2\2()\5\4\3\2)*\7\2\2\3"+
+		"*\3\3\2\2\2+\66\5\6\4\2,-\7 \2\2-.\5\4\3\2./\7!\2\2/\66\3\2\2\2\60\66"+
+		"\5\36\20\2\61\66\5\20\t\2\62\66\5\16\b\2\63\66\5\b\5\2\64\66\5\f\7\2\65"+
+		"+\3\2\2\2\65,\3\2\2\2\65\60\3\2\2\2\65\61\3\2\2\2\65\62\3\2\2\2\65\63"+
+		"\3\2\2\2\65\64\3\2\2\2\66\5\3\2\2\2\678\5\b\5\289\7\22\2\29:\5\4\3\2:"+
+		";\7\23\2\2;<\5\4\3\2<E\3\2\2\2=>\7\24\2\2>?\5\b\5\2?@\7\25\2\2@A\5\4\3"+
+		"\2AB\7\26\2\2BC\5\4\3\2CE\3\2\2\2D\67\3\2\2\2D=\3\2\2\2E\7\3\2\2\2FG\5"+
+		"\n\6\2GH\7\7\2\2HI\5\b\5\2IP\3\2\2\2JK\5\n\6\2KL\7\b\2\2LM\5\b\5\2MP\3"+
+		"\2\2\2NP\5\n\6\2OF\3\2\2\2OJ\3\2\2\2ON\3\2\2\2P\t\3\2\2\2QT\5\16\b\2R"+
+		"T\5\f\7\2SQ\3\2\2\2SR\3\2\2\2T\13\3\2\2\2UV\5&\24\2VW\7\"\2\2WX\5\n\6"+
+		"\2X^\3\2\2\2YZ\5&\24\2Z[\7#\2\2[\\\5\n\6\2\\^\3\2\2\2]U\3\2\2\2]Y\3\2"+
+		"\2\2^\r\3\2\2\2_`\b\b\1\2`a\7\t\2\2ab\7 \2\2bc\5\b\5\2cd\7!\2\2dk\3\2"+
+		"\2\2ef\7 \2\2fg\5\b\5\2gh\7!\2\2hk\3\2\2\2ik\5&\24\2j_\3\2\2\2je\3\2\2"+
+		"\2ji\3\2\2\2kr\3\2\2\2lm\f\6\2\2mn\5\22\n\2no\5\16\b\7oq\3\2\2\2pl\3\2"+
+		"\2\2qt\3\2\2\2rp\3\2\2\2rs\3\2\2\2s\17\3\2\2\2tr\3\2\2\2uv\5&\24\2v\21"+
+		"\3\2\2\2wx\t\2\2\2x\23\3\2\2\2yz\7 \2\2z{\5\26\f\2{|\7!\2\2|\u0080\3\2"+
+		"\2\2}~\7 \2\2~\u0080\7!\2\2\177y\3\2\2\2\177}\3\2\2\2\u0080\25\3\2\2\2"+
+		"\u0081\u0082\b\f\1\2\u0082\u0085\5&\24\2\u0083\u0085\5\6\4\2\u0084\u0081"+
+		"\3\2\2\2\u0084\u0083\3\2\2\2\u0085\u008e\3\2\2\2\u0086\u0087\f\5\2\2\u0087"+
+		"\u0088\7\5\2\2\u0088\u008d\5&\24\2\u0089\u008a\f\3\2\2\u008a\u008b\7\5"+
+		"\2\2\u008b\u008d\5\6\4\2\u008c\u0086\3\2\2\2\u008c\u0089\3\2\2\2\u008d"+
+		"\u0090\3\2\2\2\u008e\u008c\3\2\2\2\u008e\u008f\3\2\2\2\u008f\27\3\2\2"+
+		"\2\u0090\u008e\3\2\2\2\u0091\u0092\7\36\2\2\u0092\u0093\5\26\f\2\u0093"+
+		"\u0094\7\37\2\2\u0094\u0098\3\2\2\2\u0095\u0096\7\36\2\2\u0096\u0098\7"+
+		"\37\2\2\u0097\u0091\3\2\2\2\u0097\u0095\3\2\2\2\u0098\31\3\2\2\2\u0099"+
+		"\u009a\b\16\1\2\u009a\u009b\5&\24\2\u009b\u009c\7\23\2\2\u009c\u009d\5"+
+		"\4\3\2\u009d\u00a6\3\2\2\2\u009e\u009f\f\3\2\2\u009f\u00a0\7\5\2\2\u00a0"+
+		"\u00a1\5&\24\2\u00a1\u00a2\7\23\2\2\u00a2\u00a3\5\4\3\2\u00a3\u00a5\3"+
+		"\2\2\2\u00a4\u009e\3\2\2\2\u00a5\u00a8\3\2\2\2\u00a6\u00a4\3\2\2\2\u00a6"+
+		"\u00a7\3\2\2\2\u00a7\33\3\2\2\2\u00a8\u00a6\3\2\2\2\u00a9\u00aa\7\34\2"+
+		"\2\u00aa\u00ab\5\32\16\2\u00ab\u00ac\7\35\2\2\u00ac\u00b0\3\2\2\2\u00ad"+
+		"\u00ae\7\34\2\2\u00ae\u00b0\7\35\2\2\u00af\u00a9\3\2\2\2\u00af\u00ad\3"+
+		"\2\2\2\u00b0\35\3\2\2\2\u00b1\u00b2\b\20\1\2\u00b2\u00b3\5 \21\2\u00b3"+
+		"\u00bc\3\2\2\2\u00b4\u00b5\f\4\2\2\u00b5\u00b6\7\31\2\2\u00b6\u00bb\5"+
+		" \21\2\u00b7\u00b8\f\3\2\2\u00b8\u00b9\7\30\2\2\u00b9\u00bb\5 \21\2\u00ba"+
+		"\u00b4\3\2\2\2\u00ba\u00b7\3\2\2\2\u00bb\u00be\3\2\2\2\u00bc\u00ba\3\2"+
+		"\2\2\u00bc\u00bd\3\2\2\2\u00bd\37\3\2\2\2\u00be\u00bc\3\2\2\2\u00bf\u00c0"+
+		"\b\21\1\2\u00c0\u00c1\5$\23\2\u00c1\u00ca\3\2\2\2\u00c2\u00c3\f\4\2\2"+
+		"\u00c3\u00c4\7\33\2\2\u00c4\u00c9\5 \21\5\u00c5\u00c6\f\3\2\2\u00c6\u00c7"+
+		"\7\32\2\2\u00c7\u00c9\5 \21\4\u00c8\u00c2\3\2\2\2\u00c8\u00c5\3\2\2\2"+
+		"\u00c9\u00cc\3\2\2\2\u00ca\u00c8\3\2\2\2\u00ca\u00cb\3\2\2\2\u00cb!\3"+
+		"\2\2\2\u00cc\u00ca\3\2\2\2\u00cd\u00ce\7*\2\2\u00ce\u00cf\5\24\13\2\u00cf"+
+		"#\3\2\2\2\u00d0\u00df\5\"\22\2\u00d1\u00df\7\'\2\2\u00d2\u00df\7&\2\2"+
+		"\u00d3\u00df\7)\2\2\u00d4\u00df\7(\2\2\u00d5\u00df\7*\2\2\u00d6\u00d7"+
+		"\7 \2\2\u00d7\u00d8\5\36\20\2\u00d8\u00d9\7!\2\2\u00d9\u00df\3\2\2\2\u00da"+
+		"\u00db\7 \2\2\u00db\u00dc\5\6\4\2\u00dc\u00dd\7!\2\2\u00dd\u00df\3\2\2"+
+		"\2\u00de\u00d0\3\2\2\2\u00de\u00d1\3\2\2\2\u00de\u00d2\3\2\2\2\u00de\u00d3"+
+		"\3\2\2\2\u00de\u00d4\3\2\2\2\u00de\u00d5\3\2\2\2\u00de\u00d6\3\2\2\2\u00de"+
+		"\u00da\3\2\2\2\u00df%\3\2\2\2\u00e0\u00ef\t\3\2\2\u00e1\u00ef\5\36\20"+
+		"\2\u00e2\u00ef\7+\2\2\u00e3\u00ef\5\30\r\2\u00e4\u00ef\5\34\17\2\u00e5"+
+		"\u00ef\7\27\2\2\u00e6\u00e7\7$\2\2\u00e7\u00e8\7 \2\2\u00e8\u00e9\7*\2"+
+		"\2\u00e9\u00ef\7!\2\2\u00ea\u00eb\7 \2\2\u00eb\u00ec\5\6\4\2\u00ec\u00ed"+
+		"\7!\2\2\u00ed\u00ef\3\2\2\2\u00ee\u00e0\3\2\2\2\u00ee\u00e1\3\2\2\2\u00ee"+
+		"\u00e2\3\2\2\2\u00ee\u00e3\3\2\2\2\u00ee\u00e4\3\2\2\2\u00ee\u00e5\3\2"+
+		"\2\2\u00ee\u00e6\3\2\2\2\u00ee\u00ea\3\2\2\2\u00ef\'\3\2\2\2\26\65DOS"+
+		"]jr\177\u0084\u008c\u008e\u0097\u00a6\u00af\u00ba\u00bc\u00c8\u00ca\u00de"+
+		"\u00ee";
 	public static final ATN _ATN =
 		new ATNDeserializer().deserialize(_serializedATN.toCharArray());
 	static {

http://git-wip-us.apache.org/repos/asf/incubator-metron/blob/8340c0e2/metron-platform/metron-common/src/test/java/org/apache/metron/common/stellar/StellarTest.java
----------------------------------------------------------------------
diff --git a/metron-platform/metron-common/src/test/java/org/apache/metron/common/stellar/StellarTest.java b/metron-platform/metron-common/src/test/java/org/apache/metron/common/stellar/StellarTest.java
index 29df491..dabf293 100644
--- a/metron-platform/metron-common/src/test/java/org/apache/metron/common/stellar/StellarTest.java
+++ b/metron-platform/metron-common/src/test/java/org/apache/metron/common/stellar/StellarTest.java
@@ -41,6 +41,7 @@ import static org.apache.metron.common.dsl.functions.resolver.ClasspathFunctionR
 import static org.apache.metron.common.utils.StellarProcessorUtils.run;
 import static org.apache.metron.common.utils.StellarProcessorUtils.runPredicate;
 
+@SuppressWarnings("ALL")
 public class StellarTest {
 
   @Test
@@ -192,7 +193,14 @@ public class StellarTest {
       String query = "if 1 + 1 < 2 then 'one' else 'two'";
       Assert.assertEquals("two", run(query, new HashMap<>()));
     }
-
+    {
+      String query = "if 1 + 1 <= 2 AND 1 + 2 in [3] then 'one' else 'two'";
+      Assert.assertEquals("one", run(query, new HashMap<>()));
+    }
+    {
+      String query = "if 1 + 1 <= 2 AND (1 + 2 in [3]) then 'one' else 'two'";
+      Assert.assertEquals("one", run(query, new HashMap<>()));
+    }
     {
       String query = "if not(1 < 2) then 'one' else 'two'";
       Assert.assertEquals("two", run(query, new HashMap<>()));
@@ -210,6 +218,34 @@ public class StellarTest {
       Assert.assertEquals("two", run(query, ImmutableMap.of("one", 1, "very_nearly_one", 1.0000001)));
     }
     {
+      String query = "if one == very_nearly_one OR one == very_nearly_one then 'one' else 'two'";
+      Assert.assertEquals("two", run(query, ImmutableMap.of("one", 1, "very_nearly_one", 1.0000001)));
+    }
+    {
+      String query = "if one == very_nearly_one OR one != very_nearly_one then 'one' else 'two'";
+      Assert.assertEquals("one", run(query, ImmutableMap.of("one", 1, "very_nearly_one", 1.0000001)));
+    }
+    {
+      String query = "if one != very_nearly_one OR one == very_nearly_one then 'one' else 'two'";
+      Assert.assertEquals("one", run(query, ImmutableMap.of("one", 1, "very_nearly_one", 1.0000001)));
+    }
+    {
+      String query = "if 'foo' in ['foo'] OR one == very_nearly_one then 'one' else 'two'";
+      Assert.assertEquals("one", run(query, ImmutableMap.of("one", 1, "very_nearly_one", 1.0000001)));
+    }
+    {
+      String query = "if ('foo' in ['foo']) OR one == very_nearly_one then 'one' else 'two'";
+      Assert.assertEquals("one", run(query, ImmutableMap.of("one", 1, "very_nearly_one", 1.0000001)));
+    }
+    {
+      String query = "if not('foo' in ['foo']) OR one == very_nearly_one then 'one' else 'two'";
+      Assert.assertEquals("two", run(query, ImmutableMap.of("one", 1, "very_nearly_one", 1.0000001)));
+    }
+    {
+      String query = "if not('foo' in ['foo'] OR one == very_nearly_one) then 'one' else 'two'";
+      Assert.assertEquals("two", run(query, ImmutableMap.of("one", 1, "very_nearly_one", 1.0000001)));
+    }
+    {
       String query = "1 < 2 ? 'one' : 'two'";
       Assert.assertEquals("one", run(query, new HashMap<>()));
     }
@@ -225,6 +261,30 @@ public class StellarTest {
       String query = "1 < 2 ? one*3 : 'two'";
       Assert.assertTrue(Math.abs(3 - (int) run(query, ImmutableMap.of("one", 1))) < 1e-6);
     }
+    {
+      String query = "1 < 2 AND 1 < 2 ? one*3 : 'two'";
+      Assert.assertTrue(Math.abs(3 - (int) run(query, ImmutableMap.of("one", 1))) < 1e-6);
+    }
+    {
+      String query = "1 < 2 AND 1 > 2 ? one*3 : 'two'";
+      Assert.assertEquals("two", run(query, ImmutableMap.of("one", 1)));
+    }
+    {
+      String query = "1 > 2 AND 1 < 2 ? one*3 : 'two'";
+      Assert.assertEquals("two", run(query, ImmutableMap.of("one", 1)));
+    }
+    {
+      String query = "1 < 2 AND 'foo' in ['', 'foo'] ? one*3 : 'two'";
+      Assert.assertEquals(3, run(query, ImmutableMap.of("one", 1)));
+    }
+    {
+      String query = "1 < 2 AND ('foo' in ['', 'foo']) ? one*3 : 'two'";
+      Assert.assertEquals(3, run(query, ImmutableMap.of("one", 1)));
+    }
+    {
+      String query = "'foo' in ['', 'foo'] ? one*3 : 'two'";
+      Assert.assertEquals(3, run(query, ImmutableMap.of("one", 1)));
+    }
   }
 
   @Test
@@ -457,6 +517,26 @@ public class StellarTest {
   }
 
   @Test
+  public void inNestedInStatement() throws Exception {
+    final Map<String, String> variableMap = new HashMap<>();
+
+    Assert.assertTrue(runPredicate("('grok' not in 'foobar') == true", variableMap::get));
+    Assert.assertTrue(runPredicate("'grok' not in ('foobar' == true)", variableMap::get));
+    Assert.assertFalse(runPredicate("'grok' in 'grokbar' == true", variableMap::get));
+    Assert.assertTrue(runPredicate("false in 'grokbar' == true", variableMap::get));
+
+    Assert.assertTrue(runPredicate("('foo' in 'foobar') == true", variableMap::get));
+    Assert.assertFalse(runPredicate("'foo' in ('foobar' == true)", variableMap::get));
+    Assert.assertTrue(runPredicate("'grok' not in 'grokbar' == true", variableMap::get));
+    Assert.assertTrue(runPredicate("false in 'grokbar' == true", variableMap::get));
+    Assert.assertTrue(runPredicate("'foo' in ['foo'] AND 'bar' in ['bar']", variableMap::get));
+    Assert.assertTrue(runPredicate("('foo' in ['foo']) AND 'bar' in ['bar']", variableMap::get));
+    Assert.assertTrue(runPredicate("'foo' in ['foo'] AND ('bar' in ['bar'])", variableMap::get));
+    Assert.assertTrue(runPredicate("('foo' in ['foo']) AND ('bar' in ['bar'])", variableMap::get));
+    Assert.assertTrue(runPredicate("('foo' in ['foo'] AND 'bar' in ['bar'])", variableMap::get));
+  }
+
+  @Test
   public void testExists() throws Exception {
     final Map<String, String> variableMap = new HashMap<String, String>() {{
       put("foo", "casey");
@@ -494,6 +574,8 @@ public class StellarTest {
     }};
     Assert.assertTrue(runPredicate("IN_SUBNET(ip, '192.168.0.0/24')", v -> variableMap.get(v)));
     Assert.assertTrue(runPredicate("IN_SUBNET(ip, '192.168.0.0/24', '11.0.0.0/24')", v -> variableMap.get(v)));
+    Assert.assertTrue(runPredicate("IN_SUBNET(ip, '192.168.0.0/24', '11.0.0.0/24') in [true]", v -> variableMap.get(v)));
+    Assert.assertTrue(runPredicate("true in IN_SUBNET(ip, '192.168.0.0/24', '11.0.0.0/24')", v -> variableMap.get(v)));
     Assert.assertFalse(runPredicate("IN_SUBNET(ip_dst_addr, '192.168.0.0/24', '11.0.0.0/24')", v -> variableMap.get(v)));
     Assert.assertFalse(runPredicate("IN_SUBNET(other_ip, '192.168.0.0/24')", v -> variableMap.get(v)));
     Assert.assertFalse(runPredicate("IN_SUBNET(blah, '192.168.0.0/24')", v -> variableMap.get(v)));


[2/2] incubator-metron git commit: METRON-658: Updated Grammar to Handle More Uses of in/not in Expressions closes apache/incubator-metron#430

Posted by ce...@apache.org.
METRON-658: Updated Grammar to Handle More Uses of in/not in Expressions closes apache/incubator-metron#430


Project: http://git-wip-us.apache.org/repos/asf/incubator-metron/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-metron/commit/8340c0e2
Tree: http://git-wip-us.apache.org/repos/asf/incubator-metron/tree/8340c0e2
Diff: http://git-wip-us.apache.org/repos/asf/incubator-metron/diff/8340c0e2

Branch: refs/heads/master
Commit: 8340c0e25d04f13c2ded2cb37159d9644d00ccff
Parents: fd77ec3
Author: JJ <jj...@gmail.com>
Authored: Fri Feb 3 11:01:23 2017 -0500
Committer: cstella <ce...@gmail.com>
Committed: Fri Feb 3 11:01:23 2017 -0500

----------------------------------------------------------------------
 .../metron/common/stellar/generated/Stellar.g4  |  190 ++--
 .../metron/common/stellar/StellarCompiler.java  |   49 +-
 .../stellar/generated/StellarBaseListener.java  |   74 +-
 .../common/stellar/generated/StellarLexer.java  |  316 ++---
 .../stellar/generated/StellarListener.java      |  144 ++-
 .../common/stellar/generated/StellarParser.java | 1075 ++++++++++--------
 .../metron/common/stellar/StellarTest.java      |   84 +-
 7 files changed, 1080 insertions(+), 852 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/incubator-metron/blob/8340c0e2/metron-platform/metron-common/src/main/antlr4/org/apache/metron/common/stellar/generated/Stellar.g4
----------------------------------------------------------------------
diff --git a/metron-platform/metron-common/src/main/antlr4/org/apache/metron/common/stellar/generated/Stellar.g4 b/metron-platform/metron-common/src/main/antlr4/org/apache/metron/common/stellar/generated/Stellar.g4
index 98af17f..3005323 100644
--- a/metron-platform/metron-common/src/main/antlr4/org/apache/metron/common/stellar/generated/Stellar.g4
+++ b/metron-platform/metron-common/src/main/antlr4/org/apache/metron/common/stellar/generated/Stellar.g4
@@ -1,4 +1,4 @@
-/**
+/*
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -20,7 +20,7 @@ grammar Stellar;
 
 @header {
 //CHECKSTYLE:OFF
-/**
+/*
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -45,7 +45,6 @@ DOUBLE_QUOTE : '"';
 SINGLE_QUOTE : '\'';
 COMMA : ',';
 PERIOD : '.';
-fragment EOL : '\n';
 
 AND : 'and' | '&&' | 'AND';
 OR : 'or' | '||' | 'OR';
@@ -90,13 +89,13 @@ DOUBLE_LITERAL :
   | INT_LITERAL EXPONENT D?
   | INT_LITERAL EXPONENT? D
   ;
-FLOAT_LITERAL  :
+FLOAT_LITERAL :
   INT_LITERAL PERIOD DIGIT* EXPONENT? F
   | MINUS? PERIOD DIGIT+ EXPONENT? F
   | INT_LITERAL EXPONENT? F
   ;
-LONG_LITERAL  : INT_LITERAL L ;
-IDENTIFIER : [a-zA-Z_][a-zA-Z_\.:0-9]* ;
+LONG_LITERAL : INT_LITERAL L;
+IDENTIFIER : [a-zA-Z_][a-zA-Z_\.:0-9]*;
 
 STRING_LITERAL :
   DOUBLE_QUOTE SCHAR* DOUBLE_QUOTE
@@ -106,9 +105,9 @@ STRING_LITERAL :
 // COMMENT and WS are stripped from the output token stream by sending
 // to a different channel 'skip'
 
-COMMENT : '//' .+? (EOL|EOF) -> skip ;
+COMMENT : '//' .+? (EOL|EOF) -> skip;
 
-WS : [ \r\t\u000C\n]+ -> skip ;
+WS : [ \r\t\u000C\n]+ -> skip;
 
 fragment ZERO: '0';
 fragment FIRST_DIGIT: '1'..'9';
@@ -118,7 +117,7 @@ fragment D: ('d'|'D');
 fragment E: ('e'|'E');
 fragment F: ('f'|'F');
 fragment L: ('l'|'L');
-
+fragment EOL : '\n';
 
 /* Parser rules */
 
@@ -126,76 +125,105 @@ transformation : transformation_expr EOF;
 
 transformation_expr:
    conditional_expr #ConditionalExpr
-  |  LPAREN transformation_expr RPAREN #TransformationExpr
-  | arithmetic_expr               # ArithExpression
+  | LPAREN transformation_expr RPAREN #TransformationExpr
+  | arithmetic_expr # ArithExpression
   | transformation_entity #TransformationEntity
-  | comparison_expr               # ComparisonExpression
-  ;
-conditional_expr :  comparison_expr QUESTION transformation_expr COLON transformation_expr #TernaryFuncWithoutIf
-                 | IF comparison_expr THEN transformation_expr ELSE transformation_expr #TernaryFuncWithIf
-                 ;
-
-comparison_expr : identifier_operand comp_operator identifier_operand # ComparisonExpressionWithOperator
-                | identifier_operand IN identifier_operand #InExpression
-                | identifier_operand NIN identifier_operand #NInExpression
-                | comparison_expr AND comparison_expr #LogicalExpressionAnd
-                | comparison_expr OR comparison_expr #LogicalExpressionOr
-                | NOT LPAREN comparison_expr RPAREN #NotFunc
-                | LPAREN comparison_expr RPAREN # ComparisonExpressionParens
-                | identifier_operand #operand
-                ;
-transformation_entity : identifier_operand
-  ;
-comp_operator : (EQ | NEQ | LT | LTE | GT | GTE) # ComparisonOp
-              ;
-arith_operator_addition : (PLUS | MINUS) # ArithOp_plus
-               ;
-arith_operator_mul : (MUL | DIV) # ArithOp_mul
-               ;
-func_args : LPAREN op_list RPAREN
-          | LPAREN RPAREN
-          ;
-op_list : identifier_operand
-        | op_list COMMA identifier_operand
-        | conditional_expr
-        | op_list COMMA conditional_expr
-        ;
-list_entity : LBRACKET op_list RBRACKET
-            | LBRACKET RBRACKET;
-
-kv_list : identifier_operand COLON transformation_expr
-        | kv_list COMMA identifier_operand COLON transformation_expr
-        ;
-
-map_entity : LBRACE kv_list RBRACE
-           | LBRACE RBRACE;
-
-arithmetic_expr: arithmetic_expr_mul #ArithExpr_solo
-               | arithmetic_expr PLUS arithmetic_expr_mul #ArithExpr_plus
-               | arithmetic_expr MINUS arithmetic_expr_mul #ArithExpr_minus
-                ;
-arithmetic_expr_mul : arithmetic_operands #ArithExpr_mul_solo
-                    | arithmetic_expr_mul MUL arithmetic_expr_mul #ArithExpr_mul
-                    | arithmetic_expr_mul DIV arithmetic_expr_mul #ArithExpr_div
-                    ;
-
-functions : IDENTIFIER func_args #TransformationFunc
-          ;
-arithmetic_operands : functions #NumericFunctions
-                    | DOUBLE_LITERAL #DoubleLiteral
-                    | INT_LITERAL #IntLiteral
-                    | LONG_LITERAL #LongLiteral
-                    | FLOAT_LITERAL #FloatLiteral
-                    | IDENTIFIER #Variable
-                    | LPAREN arithmetic_expr RPAREN #ParenArith
-                    | LPAREN conditional_expr RPAREN#condExpr
-                    ;
-identifier_operand : (TRUE | FALSE) # LogicalConst
-                   | arithmetic_expr #ArithmeticOperands
-                   | STRING_LITERAL # StringLiteral
-                   | list_entity #List
-                   | map_entity #MapConst
-                   | NULL #NullConst
-                   | EXISTS LPAREN IDENTIFIER RPAREN #ExistsFunc
-                   | LPAREN conditional_expr RPAREN#condExpr_paren
-                   ;
+  | comparison_expr # ComparisonExpression
+  | logical_expr #LogicalExpression
+  | in_expr #InExpression
+  ;
+
+conditional_expr :
+  logical_expr QUESTION transformation_expr COLON transformation_expr #TernaryFuncWithoutIf
+  | IF logical_expr THEN transformation_expr ELSE transformation_expr #TernaryFuncWithIf
+  ;
+
+logical_expr:
+  b_expr AND logical_expr #LogicalExpressionAnd
+  | b_expr OR logical_expr #LogicalExpressionOr
+  | b_expr #BoleanExpression
+  ;
+
+b_expr:
+  comparison_expr
+  | in_expr
+  ;
+
+in_expr:
+  identifier_operand IN b_expr #InExpressionStatement
+  | identifier_operand NIN b_expr #NInExpressionStatement
+  ;
+
+comparison_expr :
+  comparison_expr comp_operator comparison_expr #ComparisonExpressionWithOperator
+  | NOT LPAREN logical_expr RPAREN #NotFunc
+  | LPAREN logical_expr RPAREN #ComparisonExpressionParens
+  | identifier_operand #operand
+  ;
+
+transformation_entity : identifier_operand;
+
+comp_operator : (EQ | NEQ | LT | LTE | GT | GTE) # ComparisonOp;
+
+func_args :
+  LPAREN op_list RPAREN
+  | LPAREN RPAREN
+  ;
+
+op_list :
+  identifier_operand
+  | op_list COMMA identifier_operand
+  | conditional_expr
+  | op_list COMMA conditional_expr
+  ;
+
+list_entity :
+  LBRACKET op_list RBRACKET
+  | LBRACKET RBRACKET
+  ;
+
+kv_list :
+  identifier_operand COLON transformation_expr
+  | kv_list COMMA identifier_operand COLON transformation_expr
+  ;
+
+map_entity :
+  LBRACE kv_list RBRACE
+  | LBRACE RBRACE
+  ;
+
+arithmetic_expr:
+  arithmetic_expr_mul #ArithExpr_solo
+  | arithmetic_expr PLUS arithmetic_expr_mul #ArithExpr_plus
+  | arithmetic_expr MINUS arithmetic_expr_mul #ArithExpr_minus
+  ;
+
+arithmetic_expr_mul :
+  arithmetic_operands #ArithExpr_mul_solo
+  | arithmetic_expr_mul MUL arithmetic_expr_mul #ArithExpr_mul
+  | arithmetic_expr_mul DIV arithmetic_expr_mul #ArithExpr_div
+  ;
+
+functions : IDENTIFIER func_args #TransformationFunc;
+
+arithmetic_operands :
+  functions #NumericFunctions
+  | DOUBLE_LITERAL #DoubleLiteral
+  | INT_LITERAL #IntLiteral
+  | LONG_LITERAL #LongLiteral
+  | FLOAT_LITERAL #FloatLiteral
+  | IDENTIFIER #Variable
+  | LPAREN arithmetic_expr RPAREN #ParenArith
+  | LPAREN conditional_expr RPAREN #condExpr
+  ;
+
+identifier_operand :
+  (TRUE | FALSE) #LogicalConst
+  | arithmetic_expr #ArithmeticOperands
+  | STRING_LITERAL # StringLiteral
+  | list_entity #List
+  | map_entity #MapConst
+  | NULL #NullConst
+  | EXISTS LPAREN IDENTIFIER RPAREN #ExistsFunc
+  | LPAREN conditional_expr RPAREN #condExpr_paren
+  ;
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-metron/blob/8340c0e2/metron-platform/metron-common/src/main/java/org/apache/metron/common/stellar/StellarCompiler.java
----------------------------------------------------------------------
diff --git a/metron-platform/metron-common/src/main/java/org/apache/metron/common/stellar/StellarCompiler.java b/metron-platform/metron-common/src/main/java/org/apache/metron/common/stellar/StellarCompiler.java
index 4822b31..4af299e 100644
--- a/metron-platform/metron-common/src/main/java/org/apache/metron/common/stellar/StellarCompiler.java
+++ b/metron-platform/metron-common/src/main/java/org/apache/metron/common/stellar/StellarCompiler.java
@@ -57,20 +57,20 @@ public class StellarCompiler extends StellarBaseListener {
   private final NumberLiteralEvaluator numberLiteralEvaluator;
   private final ComparisonExpressionWithOperatorEvaluator comparisonExpressionWithOperatorEvaluator;
 
-  public StellarCompiler(VariableResolver variableResolver,
-                         FunctionResolver functionResolver,
-                         Context context,
-                         Stack<Token<?>> tokenStack,
-                         ArithmeticEvaluator arithmeticEvaluator,
-                         NumberLiteralEvaluator numberLiteralEvaluator,
-                         ComparisonExpressionWithOperatorEvaluator comparisonExpressionWithOperatorEvaluator) {
+  public StellarCompiler(final VariableResolver variableResolver,
+                         final FunctionResolver functionResolver,
+                         final Context context,
+                         final Stack<Token<?>> tokenStack,
+                         final ArithmeticEvaluator arithmeticEvaluator,
+                         final NumberLiteralEvaluator numberLiteralEvaluator,
+                         final ComparisonExpressionWithOperatorEvaluator comparisonExpressionWithOperatorEvaluator) {
     this.variableResolver = variableResolver;
     this.functionResolver = functionResolver;
     this.context = context;
     this.tokenStack = tokenStack;
     this.arithmeticEvaluator = arithmeticEvaluator;
     this.numberLiteralEvaluator = numberLiteralEvaluator;
-    this. comparisonExpressionWithOperatorEvaluator = comparisonExpressionWithOperatorEvaluator;
+    this.comparisonExpressionWithOperatorEvaluator = comparisonExpressionWithOperatorEvaluator;
   }
 
   @Override
@@ -78,22 +78,22 @@ public class StellarCompiler extends StellarBaseListener {
     tokenStack.clear();
   }
 
-  private boolean handleIn(Token<?> left, Token<?> right) {
+  private boolean handleIn(final Token<?> left, final Token<?> right) {
     Object key = right.getValue();
 
 
     if (left.getValue() != null) {
-      if(left.getValue() instanceof String && key instanceof String) {
-        return ((String)left.getValue()).contains(key.toString());
+      if (left.getValue() instanceof String && key instanceof String) {
+        return ((String) left.getValue()).contains(key.toString());
       }
-      else if(left.getValue() instanceof Collection) {
-        return ((Collection)left.getValue()).contains(key);
+      else if (left.getValue() instanceof Collection) {
+        return ((Collection) left.getValue()).contains(key);
       }
-      else if(left.getValue() instanceof Map) {
-        return ((Map)left.getValue()).containsKey(key);
+      else if (left.getValue() instanceof Map) {
+        return ((Map) left.getValue()).containsKey(key);
       }
       else {
-        if(key == null) {
+        if (key == null) {
           return key == left.getValue();
         }
         else {
@@ -145,7 +145,7 @@ public class StellarCompiler extends StellarBaseListener {
     Token<?> elseExpr = popStack();
     Token<?> thenExpr = popStack();
     Token<?> ifExpr = popStack();
-    boolean b = ((Token<Boolean>) ifExpr).getValue();
+    @SuppressWarnings("unchecked") boolean b = ((Token<Boolean>) ifExpr).getValue();
     if (b) {
       tokenStack.push(thenExpr);
     } else {
@@ -164,14 +164,14 @@ public class StellarCompiler extends StellarBaseListener {
   }
 
   @Override
-  public void exitInExpression(StellarParser.InExpressionContext ctx) {
+  public void exitInExpressionStatement(StellarParser.InExpressionStatementContext ctx) {
     Token<?> left = popStack();
     Token<?> right = popStack();
     tokenStack.push(new Token<>(handleIn(left, right), Boolean.class));
   }
 
   @Override
-  public void exitNInExpression(StellarParser.NInExpressionContext ctx) {
+  public void exitNInExpressionStatement(StellarParser.NInExpressionStatementContext ctx) {
     Token<?> left = popStack();
     Token<?> right = popStack();
     tokenStack.push(new Token<>(!handleIn(left, right), Boolean.class));
@@ -230,7 +230,7 @@ public class StellarCompiler extends StellarBaseListener {
 
   @Override
   public void exitLogicalConst(StellarParser.LogicalConstContext ctx) {
-    Boolean b = null;
+    Boolean b;
     switch (ctx.getText().toUpperCase()) {
       case "TRUE":
         b = true;
@@ -244,7 +244,7 @@ public class StellarCompiler extends StellarBaseListener {
     tokenStack.push(new Token<>(b, Boolean.class));
   }
 
-  private boolean booleanOp(Token<?> left, Token<?> right, BooleanOp op, String opName) {
+  private boolean booleanOp(final Token<?> left, final Token<?> right, final BooleanOp op, final String opName) {
     Boolean l = ConversionUtils.convert(left.getValue(), Boolean.class);
     Boolean r = ConversionUtils.convert(right.getValue(), Boolean.class);
     if (l == null || r == null) {
@@ -277,7 +277,8 @@ public class StellarCompiler extends StellarBaseListener {
    * @param token The token containing the function arguments.
    * @return
    */
-  private List<Object> getFunctionArguments(Token<?> token) {
+  @SuppressWarnings("unchecked")
+  private List<Object> getFunctionArguments(final Token<?> token) {
     if (token.getUnderlyingType().equals(List.class)) {
       return (List<Object>) token.getValue();
 
@@ -404,8 +405,8 @@ public class StellarCompiler extends StellarBaseListener {
   }
 
   public Object getResult() throws ParseException {
-    if(actualException != null) {
-      throw new ParseException("Unable to execute: " +actualException.getMessage(), actualException);
+    if (actualException != null) {
+      throw new ParseException("Unable to execute: " + actualException.getMessage(), actualException);
     }
     if (tokenStack.empty()) {
       throw new ParseException("Invalid predicate: Empty stack.");

http://git-wip-us.apache.org/repos/asf/incubator-metron/blob/8340c0e2/metron-platform/metron-common/src/main/java/org/apache/metron/common/stellar/generated/StellarBaseListener.java
----------------------------------------------------------------------
diff --git a/metron-platform/metron-common/src/main/java/org/apache/metron/common/stellar/generated/StellarBaseListener.java b/metron-platform/metron-common/src/main/java/org/apache/metron/common/stellar/generated/StellarBaseListener.java
index e0a8770..c13930d 100644
--- a/metron-platform/metron-common/src/main/java/org/apache/metron/common/stellar/generated/StellarBaseListener.java
+++ b/metron-platform/metron-common/src/main/java/org/apache/metron/common/stellar/generated/StellarBaseListener.java
@@ -2,7 +2,7 @@
 package org.apache.metron.common.stellar.generated;
 
 //CHECKSTYLE:OFF
-/**
+/*
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -109,6 +109,30 @@ public class StellarBaseListener implements StellarListener {
 	 *
 	 * <p>The default implementation does nothing.</p>
 	 */
+	@Override public void enterLogicalExpression(StellarParser.LogicalExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitLogicalExpression(StellarParser.LogicalExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterInExpression(StellarParser.InExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitInExpression(StellarParser.InExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
 	@Override public void enterTernaryFuncWithoutIf(StellarParser.TernaryFuncWithoutIfContext ctx) { }
 	/**
 	 * {@inheritDoc}
@@ -133,145 +157,145 @@ public class StellarBaseListener implements StellarListener {
 	 *
 	 * <p>The default implementation does nothing.</p>
 	 */
-	@Override public void enterNotFunc(StellarParser.NotFuncContext ctx) { }
+	@Override public void enterLogicalExpressionAnd(StellarParser.LogicalExpressionAndContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
 	 * <p>The default implementation does nothing.</p>
 	 */
-	@Override public void exitNotFunc(StellarParser.NotFuncContext ctx) { }
+	@Override public void exitLogicalExpressionAnd(StellarParser.LogicalExpressionAndContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
 	 * <p>The default implementation does nothing.</p>
 	 */
-	@Override public void enterComparisonExpressionParens(StellarParser.ComparisonExpressionParensContext ctx) { }
+	@Override public void enterLogicalExpressionOr(StellarParser.LogicalExpressionOrContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
 	 * <p>The default implementation does nothing.</p>
 	 */
-	@Override public void exitComparisonExpressionParens(StellarParser.ComparisonExpressionParensContext ctx) { }
+	@Override public void exitLogicalExpressionOr(StellarParser.LogicalExpressionOrContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
 	 * <p>The default implementation does nothing.</p>
 	 */
-	@Override public void enterInExpression(StellarParser.InExpressionContext ctx) { }
+	@Override public void enterBoleanExpression(StellarParser.BoleanExpressionContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
 	 * <p>The default implementation does nothing.</p>
 	 */
-	@Override public void exitInExpression(StellarParser.InExpressionContext ctx) { }
+	@Override public void exitBoleanExpression(StellarParser.BoleanExpressionContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
 	 * <p>The default implementation does nothing.</p>
 	 */
-	@Override public void enterComparisonExpressionWithOperator(StellarParser.ComparisonExpressionWithOperatorContext ctx) { }
+	@Override public void enterB_expr(StellarParser.B_exprContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
 	 * <p>The default implementation does nothing.</p>
 	 */
-	@Override public void exitComparisonExpressionWithOperator(StellarParser.ComparisonExpressionWithOperatorContext ctx) { }
+	@Override public void exitB_expr(StellarParser.B_exprContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
 	 * <p>The default implementation does nothing.</p>
 	 */
-	@Override public void enterLogicalExpressionAnd(StellarParser.LogicalExpressionAndContext ctx) { }
+	@Override public void enterInExpressionStatement(StellarParser.InExpressionStatementContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
 	 * <p>The default implementation does nothing.</p>
 	 */
-	@Override public void exitLogicalExpressionAnd(StellarParser.LogicalExpressionAndContext ctx) { }
+	@Override public void exitInExpressionStatement(StellarParser.InExpressionStatementContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
 	 * <p>The default implementation does nothing.</p>
 	 */
-	@Override public void enterNInExpression(StellarParser.NInExpressionContext ctx) { }
+	@Override public void enterNInExpressionStatement(StellarParser.NInExpressionStatementContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
 	 * <p>The default implementation does nothing.</p>
 	 */
-	@Override public void exitNInExpression(StellarParser.NInExpressionContext ctx) { }
+	@Override public void exitNInExpressionStatement(StellarParser.NInExpressionStatementContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
 	 * <p>The default implementation does nothing.</p>
 	 */
-	@Override public void enterLogicalExpressionOr(StellarParser.LogicalExpressionOrContext ctx) { }
+	@Override public void enterNotFunc(StellarParser.NotFuncContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
 	 * <p>The default implementation does nothing.</p>
 	 */
-	@Override public void exitLogicalExpressionOr(StellarParser.LogicalExpressionOrContext ctx) { }
+	@Override public void exitNotFunc(StellarParser.NotFuncContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
 	 * <p>The default implementation does nothing.</p>
 	 */
-	@Override public void enterOperand(StellarParser.OperandContext ctx) { }
+	@Override public void enterComparisonExpressionParens(StellarParser.ComparisonExpressionParensContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
 	 * <p>The default implementation does nothing.</p>
 	 */
-	@Override public void exitOperand(StellarParser.OperandContext ctx) { }
+	@Override public void exitComparisonExpressionParens(StellarParser.ComparisonExpressionParensContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
 	 * <p>The default implementation does nothing.</p>
 	 */
-	@Override public void enterTransformation_entity(StellarParser.Transformation_entityContext ctx) { }
+	@Override public void enterComparisonExpressionWithOperator(StellarParser.ComparisonExpressionWithOperatorContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
 	 * <p>The default implementation does nothing.</p>
 	 */
-	@Override public void exitTransformation_entity(StellarParser.Transformation_entityContext ctx) { }
+	@Override public void exitComparisonExpressionWithOperator(StellarParser.ComparisonExpressionWithOperatorContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
 	 * <p>The default implementation does nothing.</p>
 	 */
-	@Override public void enterComparisonOp(StellarParser.ComparisonOpContext ctx) { }
+	@Override public void enterOperand(StellarParser.OperandContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
 	 * <p>The default implementation does nothing.</p>
 	 */
-	@Override public void exitComparisonOp(StellarParser.ComparisonOpContext ctx) { }
+	@Override public void exitOperand(StellarParser.OperandContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
 	 * <p>The default implementation does nothing.</p>
 	 */
-	@Override public void enterArithOp_plus(StellarParser.ArithOp_plusContext ctx) { }
+	@Override public void enterTransformation_entity(StellarParser.Transformation_entityContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
 	 * <p>The default implementation does nothing.</p>
 	 */
-	@Override public void exitArithOp_plus(StellarParser.ArithOp_plusContext ctx) { }
+	@Override public void exitTransformation_entity(StellarParser.Transformation_entityContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
 	 * <p>The default implementation does nothing.</p>
 	 */
-	@Override public void enterArithOp_mul(StellarParser.ArithOp_mulContext ctx) { }
+	@Override public void enterComparisonOp(StellarParser.ComparisonOpContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
 	 * <p>The default implementation does nothing.</p>
 	 */
-	@Override public void exitArithOp_mul(StellarParser.ArithOp_mulContext ctx) { }
+	@Override public void exitComparisonOp(StellarParser.ComparisonOpContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *

http://git-wip-us.apache.org/repos/asf/incubator-metron/blob/8340c0e2/metron-platform/metron-common/src/main/java/org/apache/metron/common/stellar/generated/StellarLexer.java
----------------------------------------------------------------------
diff --git a/metron-platform/metron-common/src/main/java/org/apache/metron/common/stellar/generated/StellarLexer.java b/metron-platform/metron-common/src/main/java/org/apache/metron/common/stellar/generated/StellarLexer.java
index 83e6434..ff2e9cb 100644
--- a/metron-platform/metron-common/src/main/java/org/apache/metron/common/stellar/generated/StellarLexer.java
+++ b/metron-platform/metron-common/src/main/java/org/apache/metron/common/stellar/generated/StellarLexer.java
@@ -2,7 +2,7 @@
 package org.apache.metron.common.stellar.generated;
 
 //CHECKSTYLE:OFF
-/**
+/*
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -49,13 +49,13 @@ public class StellarLexer extends Lexer {
 	};
 
 	public static final String[] ruleNames = {
-		"DOUBLE_QUOTE", "SINGLE_QUOTE", "COMMA", "PERIOD", "EOL", "AND", "OR", 
-		"NOT", "TRUE", "FALSE", "EQ", "NEQ", "LT", "LTE", "GT", "GTE", "QUESTION", 
-		"COLON", "IF", "THEN", "ELSE", "NULL", "MINUS", "PLUS", "DIV", "MUL", 
-		"LBRACE", "RBRACE", "LBRACKET", "RBRACKET", "LPAREN", "RPAREN", "IN", 
-		"NIN", "EXISTS", "EXPONENT", "INT_LITERAL", "DOUBLE_LITERAL", "FLOAT_LITERAL", 
-		"LONG_LITERAL", "IDENTIFIER", "STRING_LITERAL", "COMMENT", "WS", "ZERO", 
-		"FIRST_DIGIT", "DIGIT", "SCHAR", "D", "E", "F", "L"
+		"DOUBLE_QUOTE", "SINGLE_QUOTE", "COMMA", "PERIOD", "AND", "OR", "NOT", 
+		"TRUE", "FALSE", "EQ", "NEQ", "LT", "LTE", "GT", "GTE", "QUESTION", "COLON", 
+		"IF", "THEN", "ELSE", "NULL", "MINUS", "PLUS", "DIV", "MUL", "LBRACE", 
+		"RBRACE", "LBRACKET", "RBRACKET", "LPAREN", "RPAREN", "IN", "NIN", "EXISTS", 
+		"EXPONENT", "INT_LITERAL", "DOUBLE_LITERAL", "FLOAT_LITERAL", "LONG_LITERAL", 
+		"IDENTIFIER", "STRING_LITERAL", "COMMENT", "WS", "ZERO", "FIRST_DIGIT", 
+		"DIGIT", "SCHAR", "D", "E", "F", "L", "EOL"
 	};
 
 	private static final String[] _LITERAL_NAMES = {
@@ -133,156 +133,156 @@ public class StellarLexer extends Lexer {
 		"\4\32\t\32\4\33\t\33\4\34\t\34\4\35\t\35\4\36\t\36\4\37\t\37\4 \t \4!"+
 		"\t!\4\"\t\"\4#\t#\4$\t$\4%\t%\4&\t&\4\'\t\'\4(\t(\4)\t)\4*\t*\4+\t+\4"+
 		",\t,\4-\t-\4.\t.\4/\t/\4\60\t\60\4\61\t\61\4\62\t\62\4\63\t\63\4\64\t"+
-		"\64\4\65\t\65\3\2\3\2\3\3\3\3\3\4\3\4\3\5\3\5\3\6\3\6\3\7\3\7\3\7\3\7"+
-		"\3\7\3\7\3\7\3\7\5\7~\n\7\3\b\3\b\3\b\3\b\3\b\3\b\5\b\u0086\n\b\3\t\3"+
-		"\t\3\t\3\t\3\t\3\t\5\t\u008e\n\t\3\n\3\n\3\n\3\n\3\n\3\n\3\n\3\n\5\n\u0098"+
-		"\n\n\3\13\3\13\3\13\3\13\3\13\3\13\3\13\3\13\3\13\3\13\5\13\u00a4\n\13"+
-		"\3\f\3\f\3\f\3\r\3\r\3\r\3\16\3\16\3\17\3\17\3\17\3\20\3\20\3\21\3\21"+
-		"\3\21\3\22\3\22\3\23\3\23\3\24\3\24\3\24\3\24\5\24\u00be\n\24\3\25\3\25"+
-		"\3\25\3\25\3\25\3\25\3\25\3\25\5\25\u00c8\n\25\3\26\3\26\3\26\3\26\3\26"+
-		"\3\26\3\26\3\26\5\26\u00d2\n\26\3\27\3\27\3\27\3\27\3\27\3\27\3\27\3\27"+
-		"\5\27\u00dc\n\27\3\30\3\30\3\31\3\31\3\32\3\32\3\33\3\33\3\34\3\34\3\35"+
-		"\3\35\3\36\3\36\3\37\3\37\3 \3 \3!\3!\3\"\3\"\3\"\3\"\5\"\u00f6\n\"\3"+
-		"#\3#\3#\3#\3#\3#\3#\3#\3#\3#\3#\3#\5#\u0104\n#\3$\3$\3$\3$\3$\3$\3$\3"+
-		"$\3$\3$\3$\3$\5$\u0112\n$\3%\3%\3%\5%\u0117\n%\3%\6%\u011a\n%\r%\16%\u011b"+
-		"\3&\5&\u011f\n&\3&\3&\5&\u0123\n&\3&\3&\7&\u0127\n&\f&\16&\u012a\13&\5"+
-		"&\u012c\n&\3\'\3\'\3\'\7\'\u0131\n\'\f\'\16\'\u0134\13\'\3\'\5\'\u0137"+
-		"\n\'\3\'\5\'\u013a\n\'\3\'\3\'\6\'\u013e\n\'\r\'\16\'\u013f\3\'\5\'\u0143"+
-		"\n\'\3\'\5\'\u0146\n\'\3\'\3\'\3\'\5\'\u014b\n\'\3\'\3\'\5\'\u014f\n\'"+
-		"\3\'\3\'\5\'\u0153\n\'\3(\3(\3(\7(\u0158\n(\f(\16(\u015b\13(\3(\5(\u015e"+
-		"\n(\3(\3(\3(\5(\u0163\n(\3(\3(\6(\u0167\n(\r(\16(\u0168\3(\5(\u016c\n"+
-		"(\3(\3(\3(\3(\5(\u0172\n(\3(\3(\5(\u0176\n(\3)\3)\3)\3*\3*\7*\u017d\n"+
-		"*\f*\16*\u0180\13*\3+\3+\7+\u0184\n+\f+\16+\u0187\13+\3+\3+\3+\3+\7+\u018d"+
-		"\n+\f+\16+\u0190\13+\3+\3+\5+\u0194\n+\3,\3,\3,\3,\6,\u019a\n,\r,\16,"+
-		"\u019b\3,\3,\5,\u01a0\n,\3,\3,\3-\6-\u01a5\n-\r-\16-\u01a6\3-\3-\3.\3"+
-		".\3/\3/\3\60\3\60\3\61\3\61\3\62\3\62\3\63\3\63\3\64\3\64\3\65\3\65\3"+
-		"\u019b\2\66\3\3\5\4\7\5\t\6\13\2\r\7\17\b\21\t\23\n\25\13\27\f\31\r\33"+
-		"\16\35\17\37\20!\21#\22%\23\'\24)\25+\26-\27/\30\61\31\63\32\65\33\67"+
-		"\349\35;\36=\37? A!C\"E#G$I%K&M\'O(Q)S*U+W,Y-[\2]\2_\2a\2c\2e\2g\2i\2"+
-		"\3\2\n\5\2C\\aac|\b\2\60\60\62<C\\^^aac|\5\2\13\f\16\17\"\"\7\2\f\f\17"+
-		"\17$$))^^\4\2FFff\4\2GGgg\4\2HHhh\4\2NNnn\u01df\2\3\3\2\2\2\2\5\3\2\2"+
-		"\2\2\7\3\2\2\2\2\t\3\2\2\2\2\r\3\2\2\2\2\17\3\2\2\2\2\21\3\2\2\2\2\23"+
-		"\3\2\2\2\2\25\3\2\2\2\2\27\3\2\2\2\2\31\3\2\2\2\2\33\3\2\2\2\2\35\3\2"+
-		"\2\2\2\37\3\2\2\2\2!\3\2\2\2\2#\3\2\2\2\2%\3\2\2\2\2\'\3\2\2\2\2)\3\2"+
-		"\2\2\2+\3\2\2\2\2-\3\2\2\2\2/\3\2\2\2\2\61\3\2\2\2\2\63\3\2\2\2\2\65\3"+
-		"\2\2\2\2\67\3\2\2\2\29\3\2\2\2\2;\3\2\2\2\2=\3\2\2\2\2?\3\2\2\2\2A\3\2"+
-		"\2\2\2C\3\2\2\2\2E\3\2\2\2\2G\3\2\2\2\2I\3\2\2\2\2K\3\2\2\2\2M\3\2\2\2"+
-		"\2O\3\2\2\2\2Q\3\2\2\2\2S\3\2\2\2\2U\3\2\2\2\2W\3\2\2\2\2Y\3\2\2\2\3k"+
-		"\3\2\2\2\5m\3\2\2\2\7o\3\2\2\2\tq\3\2\2\2\13s\3\2\2\2\r}\3\2\2\2\17\u0085"+
-		"\3\2\2\2\21\u008d\3\2\2\2\23\u0097\3\2\2\2\25\u00a3\3\2\2\2\27\u00a5\3"+
-		"\2\2\2\31\u00a8\3\2\2\2\33\u00ab\3\2\2\2\35\u00ad\3\2\2\2\37\u00b0\3\2"+
-		"\2\2!\u00b2\3\2\2\2#\u00b5\3\2\2\2%\u00b7\3\2\2\2\'\u00bd\3\2\2\2)\u00c7"+
-		"\3\2\2\2+\u00d1\3\2\2\2-\u00db\3\2\2\2/\u00dd\3\2\2\2\61\u00df\3\2\2\2"+
-		"\63\u00e1\3\2\2\2\65\u00e3\3\2\2\2\67\u00e5\3\2\2\29\u00e7\3\2\2\2;\u00e9"+
-		"\3\2\2\2=\u00eb\3\2\2\2?\u00ed\3\2\2\2A\u00ef\3\2\2\2C\u00f5\3\2\2\2E"+
-		"\u0103\3\2\2\2G\u0111\3\2\2\2I\u0113\3\2\2\2K\u012b\3\2\2\2M\u0152\3\2"+
-		"\2\2O\u0175\3\2\2\2Q\u0177\3\2\2\2S\u017a\3\2\2\2U\u0193\3\2\2\2W\u0195"+
-		"\3\2\2\2Y\u01a4\3\2\2\2[\u01aa\3\2\2\2]\u01ac\3\2\2\2_\u01ae\3\2\2\2a"+
-		"\u01b0\3\2\2\2c\u01b2\3\2\2\2e\u01b4\3\2\2\2g\u01b6\3\2\2\2i\u01b8\3\2"+
-		"\2\2kl\7$\2\2l\4\3\2\2\2mn\7)\2\2n\6\3\2\2\2op\7.\2\2p\b\3\2\2\2qr\7\60"+
-		"\2\2r\n\3\2\2\2st\7\f\2\2t\f\3\2\2\2uv\7c\2\2vw\7p\2\2w~\7f\2\2xy\7(\2"+
-		"\2y~\7(\2\2z{\7C\2\2{|\7P\2\2|~\7F\2\2}u\3\2\2\2}x\3\2\2\2}z\3\2\2\2~"+
-		"\16\3\2\2\2\177\u0080\7q\2\2\u0080\u0086\7t\2\2\u0081\u0082\7~\2\2\u0082"+
-		"\u0086\7~\2\2\u0083\u0084\7Q\2\2\u0084\u0086\7T\2\2\u0085\177\3\2\2\2"+
-		"\u0085\u0081\3\2\2\2\u0085\u0083\3\2\2\2\u0086\20\3\2\2\2\u0087\u0088"+
-		"\7p\2\2\u0088\u0089\7q\2\2\u0089\u008e\7v\2\2\u008a\u008b\7P\2\2\u008b"+
-		"\u008c\7Q\2\2\u008c\u008e\7V\2\2\u008d\u0087\3\2\2\2\u008d\u008a\3\2\2"+
-		"\2\u008e\22\3\2\2\2\u008f\u0090\7v\2\2\u0090\u0091\7t\2\2\u0091\u0092"+
-		"\7w\2\2\u0092\u0098\7g\2\2\u0093\u0094\7V\2\2\u0094\u0095\7T\2\2\u0095"+
-		"\u0096\7W\2\2\u0096\u0098\7G\2\2\u0097\u008f\3\2\2\2\u0097\u0093\3\2\2"+
-		"\2\u0098\24\3\2\2\2\u0099\u009a\7h\2\2\u009a\u009b\7c\2\2\u009b\u009c"+
-		"\7n\2\2\u009c\u009d\7u\2\2\u009d\u00a4\7g\2\2\u009e\u009f\7H\2\2\u009f"+
-		"\u00a0\7C\2\2\u00a0\u00a1\7N\2\2\u00a1\u00a2\7U\2\2\u00a2\u00a4\7G\2\2"+
-		"\u00a3\u0099\3\2\2\2\u00a3\u009e\3\2\2\2\u00a4\26\3\2\2\2\u00a5\u00a6"+
-		"\7?\2\2\u00a6\u00a7\7?\2\2\u00a7\30\3\2\2\2\u00a8\u00a9\7#\2\2\u00a9\u00aa"+
-		"\7?\2\2\u00aa\32\3\2\2\2\u00ab\u00ac\7>\2\2\u00ac\34\3\2\2\2\u00ad\u00ae"+
-		"\7>\2\2\u00ae\u00af\7?\2\2\u00af\36\3\2\2\2\u00b0\u00b1\7@\2\2\u00b1 "+
-		"\3\2\2\2\u00b2\u00b3\7@\2\2\u00b3\u00b4\7?\2\2\u00b4\"\3\2\2\2\u00b5\u00b6"+
-		"\7A\2\2\u00b6$\3\2\2\2\u00b7\u00b8\7<\2\2\u00b8&\3\2\2\2\u00b9\u00ba\7"+
-		"K\2\2\u00ba\u00be\7H\2\2\u00bb\u00bc\7k\2\2\u00bc\u00be\7h\2\2\u00bd\u00b9"+
-		"\3\2\2\2\u00bd\u00bb\3\2\2\2\u00be(\3\2\2\2\u00bf\u00c0\7V\2\2\u00c0\u00c1"+
-		"\7J\2\2\u00c1\u00c2\7G\2\2\u00c2\u00c8\7P\2\2\u00c3\u00c4\7v\2\2\u00c4"+
-		"\u00c5\7j\2\2\u00c5\u00c6\7g\2\2\u00c6\u00c8\7p\2\2\u00c7\u00bf\3\2\2"+
-		"\2\u00c7\u00c3\3\2\2\2\u00c8*\3\2\2\2\u00c9\u00ca\7G\2\2\u00ca\u00cb\7"+
-		"N\2\2\u00cb\u00cc\7U\2\2\u00cc\u00d2\7G\2\2\u00cd\u00ce\7g\2\2\u00ce\u00cf"+
-		"\7n\2\2\u00cf\u00d0\7u\2\2\u00d0\u00d2\7g\2\2\u00d1\u00c9\3\2\2\2\u00d1"+
-		"\u00cd\3\2\2\2\u00d2,\3\2\2\2\u00d3\u00d4\7p\2\2\u00d4\u00d5\7w\2\2\u00d5"+
-		"\u00d6\7n\2\2\u00d6\u00dc\7n\2\2\u00d7\u00d8\7P\2\2\u00d8\u00d9\7W\2\2"+
-		"\u00d9\u00da\7N\2\2\u00da\u00dc\7N\2\2\u00db\u00d3\3\2\2\2\u00db\u00d7"+
-		"\3\2\2\2\u00dc.\3\2\2\2\u00dd\u00de\7/\2\2\u00de\60\3\2\2\2\u00df\u00e0"+
-		"\7-\2\2\u00e0\62\3\2\2\2\u00e1\u00e2\7\61\2\2\u00e2\64\3\2\2\2\u00e3\u00e4"+
-		"\7,\2\2\u00e4\66\3\2\2\2\u00e5\u00e6\7}\2\2\u00e68\3\2\2\2\u00e7\u00e8"+
-		"\7\177\2\2\u00e8:\3\2\2\2\u00e9\u00ea\7]\2\2\u00ea<\3\2\2\2\u00eb\u00ec"+
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+		"\7G\2\2\u0095\u008d\3\2\2\2\u0095\u0091\3\2\2\2\u0096\22\3\2\2\2\u0097"+
+		"\u0098\7h\2\2\u0098\u0099\7c\2\2\u0099\u009a\7n\2\2\u009a\u009b\7u\2\2"+
+		"\u009b\u00a2\7g\2\2\u009c\u009d\7H\2\2\u009d\u009e\7C\2\2\u009e\u009f"+
+		"\7N\2\2\u009f\u00a0\7U\2\2\u00a0\u00a2\7G\2\2\u00a1\u0097\3\2\2\2\u00a1"+
+		"\u009c\3\2\2\2\u00a2\24\3\2\2\2\u00a3\u00a4\7?\2\2\u00a4\u00a5\7?\2\2"+
+		"\u00a5\26\3\2\2\2\u00a6\u00a7\7#\2\2\u00a7\u00a8\7?\2\2\u00a8\30\3\2\2"+
+		"\2\u00a9\u00aa\7>\2\2\u00aa\32\3\2\2\2\u00ab\u00ac\7>\2\2\u00ac\u00ad"+
+		"\7?\2\2\u00ad\34\3\2\2\2\u00ae\u00af\7@\2\2\u00af\36\3\2\2\2\u00b0\u00b1"+
+		"\7@\2\2\u00b1\u00b2\7?\2\2\u00b2 \3\2\2\2\u00b3\u00b4\7A\2\2\u00b4\"\3"+
+		"\2\2\2\u00b5\u00b6\7<\2\2\u00b6$\3\2\2\2\u00b7\u00b8\7K\2\2\u00b8\u00bc"+
+		"\7H\2\2\u00b9\u00ba\7k\2\2\u00ba\u00bc\7h\2\2\u00bb\u00b7\3\2\2\2\u00bb"+
+		"\u00b9\3\2\2\2\u00bc&\3\2\2\2\u00bd\u00be\7V\2\2\u00be\u00bf\7J\2\2\u00bf"+
+		"\u00c0\7G\2\2\u00c0\u00c6\7P\2\2\u00c1\u00c2\7v\2\2\u00c2\u00c3\7j\2\2"+
+		"\u00c3\u00c4\7g\2\2\u00c4\u00c6\7p\2\2\u00c5\u00bd\3\2\2\2\u00c5\u00c1"+
+		"\3\2\2\2\u00c6(\3\2\2\2\u00c7\u00c8\7G\2\2\u00c8\u00c9\7N\2\2\u00c9\u00ca"+
+		"\7U\2\2\u00ca\u00d0\7G\2\2\u00cb\u00cc\7g\2\2\u00cc\u00cd\7n\2\2\u00cd"+
+		"\u00ce\7u\2\2\u00ce\u00d0\7g\2\2\u00cf\u00c7\3\2\2\2\u00cf\u00cb\3\2\2"+
+		"\2\u00d0*\3\2\2\2\u00d1\u00d2\7p\2\2\u00d2\u00d3\7w\2\2\u00d3\u00d4\7"+
+		"n\2\2\u00d4\u00da\7n\2\2\u00d5\u00d6\7P\2\2\u00d6\u00d7\7W\2\2\u00d7\u00d8"+
+		"\7N\2\2\u00d8\u00da\7N\2\2\u00d9\u00d1\3\2\2\2\u00d9\u00d5\3\2\2\2\u00da"+
+		",\3\2\2\2\u00db\u00dc\7/\2\2\u00dc.\3\2\2\2\u00dd\u00de\7-\2\2\u00de\60"+
+		"\3\2\2\2\u00df\u00e0\7\61\2\2\u00e0\62\3\2\2\2\u00e1\u00e2\7,\2\2\u00e2"+
+		"\64\3\2\2\2\u00e3\u00e4\7}\2\2\u00e4\66\3\2\2\2\u00e5\u00e6\7\177\2\2"+
+		"\u00e68\3\2\2\2\u00e7\u00e8\7]\2\2\u00e8:\3\2\2\2\u00e9\u00ea\7_\2\2\u00ea"+
+		"<\3\2\2\2\u00eb\u00ec\7*\2\2\u00ec>\3\2\2\2\u00ed\u00ee\7+\2\2\u00ee@"+
+		"\3\2\2\2\u00ef\u00f0\7k\2\2\u00f0\u00f4\7p\2\2\u00f1\u00f2\7K\2\2\u00f2"+
+		"\u00f4\7P\2\2\u00f3\u00ef\3\2\2\2\u00f3\u00f1\3\2\2\2\u00f4B\3\2\2\2\u00f5"+
+		"\u00f6\7p\2\2\u00f6\u00f7\7q\2\2\u00f7\u00f8\7v\2\2\u00f8\u00f9\7\"\2"+
+		"\2\u00f9\u00fa\7k\2\2\u00fa\u0102\7p\2\2\u00fb\u00fc\7P\2\2\u00fc\u00fd"+
+		"\7Q\2\2\u00fd\u00fe\7V\2\2\u00fe\u00ff\7\"\2\2\u00ff\u0100\7K\2\2\u0100"+
+		"\u0102\7P\2\2\u0101\u00f5\3\2\2\2\u0101\u00fb\3\2\2\2\u0102D\3\2\2\2\u0103"+
+		"\u0104\7g\2\2\u0104\u0105\7z\2\2\u0105\u0106\7k\2\2\u0106\u0107\7u\2\2"+
+		"\u0107\u0108\7v\2\2\u0108\u0110\7u\2\2\u0109\u010a\7G\2\2\u010a\u010b"+
+		"\7Z\2\2\u010b\u010c\7K\2\2\u010c\u010d\7U\2\2\u010d\u010e\7V\2\2\u010e"+
+		"\u0110\7U\2\2\u010f\u0103\3\2\2\2\u010f\u0109\3\2\2\2\u0110F\3\2\2\2\u0111"+
+		"\u0114\5c\62\2\u0112\u0115\5/\30\2\u0113\u0115\5-\27\2\u0114\u0112\3\2"+
+		"\2\2\u0114\u0113\3\2\2\2\u0114\u0115\3\2\2\2\u0115\u0117\3\2\2\2\u0116"+
+		"\u0118\5]/\2\u0117\u0116\3\2\2\2\u0118\u0119\3\2\2\2\u0119\u0117\3\2\2"+
+		"\2\u0119\u011a\3\2\2\2\u011aH\3\2\2\2\u011b\u011d\5-\27\2\u011c\u011b"+
+		"\3\2\2\2\u011c\u011d\3\2\2\2\u011d\u011e\3\2\2\2\u011e\u012a\5Y-\2\u011f"+
+		"\u0121\5-\27\2\u0120\u011f\3\2\2\2\u0120\u0121\3\2\2\2\u0121\u0122\3\2"+
+		"\2\2\u0122\u0126\5[.\2\u0123\u0125\5]/\2\u0124\u0123\3\2\2\2\u0125\u0128"+
+		"\3\2\2\2\u0126\u0124\3\2\2\2\u0126\u0127\3\2\2\2\u0127\u012a\3\2\2\2\u0128"+
+		"\u0126\3\2\2\2\u0129\u011c\3\2\2\2\u0129\u0120\3\2\2\2\u012aJ\3\2\2\2"+
+		"\u012b\u012c\5I%\2\u012c\u0130\5\t\5\2\u012d\u012f\5]/\2\u012e\u012d\3"+
+		"\2\2\2\u012f\u0132\3\2\2\2\u0130\u012e\3\2\2\2\u0130\u0131\3\2\2\2\u0131"+
+		"\u0134\3\2\2\2\u0132\u0130\3\2\2\2\u0133\u0135\5G$\2\u0134\u0133\3\2\2"+
+		"\2\u0134\u0135\3\2\2\2\u0135\u0137\3\2\2\2\u0136\u0138\5a\61\2\u0137\u0136"+
+		"\3\2\2\2\u0137\u0138\3\2\2\2\u0138\u0151\3\2\2\2\u0139\u013b\5\t\5\2\u013a"+
+		"\u013c\5]/\2\u013b\u013a\3\2\2\2\u013c\u013d\3\2\2\2\u013d\u013b\3\2\2"+
+		"\2\u013d\u013e\3\2\2\2\u013e\u0140\3\2\2\2\u013f\u0141\5G$\2\u0140\u013f"+
+		"\3\2\2\2\u0140\u0141\3\2\2\2\u0141\u0143\3\2\2\2\u0142\u0144\5a\61\2\u0143"+
+		"\u0142\3\2\2\2\u0143\u0144\3\2\2\2\u0144\u0151\3\2\2\2\u0145\u0146\5I"+
+		"%\2\u0146\u0148\5G$\2\u0147\u0149\5a\61\2\u0148\u0147\3\2\2\2\u0148\u0149"+
+		"\3\2\2\2\u0149\u0151\3\2\2\2\u014a\u014c\5I%\2\u014b\u014d\5G$\2\u014c"+
+		"\u014b\3\2\2\2\u014c\u014d\3\2\2\2\u014d\u014e\3\2\2\2\u014e\u014f\5a"+
+		"\61\2\u014f\u0151\3\2\2\2\u0150\u012b\3\2\2\2\u0150\u0139\3\2\2\2\u0150"+
+		"\u0145\3\2\2\2\u0150\u014a\3\2\2\2\u0151L\3\2\2\2\u0152\u0153\5I%\2\u0153"+
+		"\u0157\5\t\5\2\u0154\u0156\5]/\2\u0155\u0154\3\2\2\2\u0156\u0159\3\2\2"+
+		"\2\u0157\u0155\3\2\2\2\u0157\u0158\3\2\2\2\u0158\u015b\3\2\2\2\u0159\u0157"+
+		"\3\2\2\2\u015a\u015c\5G$\2\u015b\u015a\3\2\2\2\u015b\u015c\3\2\2\2\u015c"+
+		"\u015d\3\2\2\2\u015d\u015e\5e\63\2\u015e\u0174\3\2\2\2\u015f\u0161\5-"+
+		"\27\2\u0160\u015f\3\2\2\2\u0160\u0161\3\2\2\2\u0161\u0162\3\2\2\2\u0162"+
+		"\u0164\5\t\5\2\u0163\u0165\5]/\2\u0164\u0163\3\2\2\2\u0165\u0166\3\2\2"+
+		"\2\u0166\u0164\3\2\2\2\u0166\u0167\3\2\2\2\u0167\u0169\3\2\2\2\u0168\u016a"+
+		"\5G$\2\u0169\u0168\3\2\2\2\u0169\u016a\3\2\2\2\u016a\u016b\3\2\2\2\u016b"+
+		"\u016c\5e\63\2\u016c\u0174\3\2\2\2\u016d\u016f\5I%\2\u016e\u0170\5G$\2"+
+		"\u016f\u016e\3\2\2\2\u016f\u0170\3\2\2\2\u0170\u0171\3\2\2\2\u0171\u0172"+
+		"\5e\63\2\u0172\u0174\3\2\2\2\u0173\u0152\3\2\2\2\u0173\u0160\3\2\2\2\u0173"+
+		"\u016d\3\2\2\2\u0174N\3\2\2\2\u0175\u0176\5I%\2\u0176\u0177\5g\64\2\u0177"+
+		"P\3\2\2\2\u0178\u017c\t\2\2\2\u0179\u017b\t\3\2\2\u017a\u0179\3\2\2\2"+
+		"\u017b\u017e\3\2\2\2\u017c\u017a\3\2\2\2\u017c\u017d\3\2\2\2\u017dR\3"+
+		"\2\2\2\u017e\u017c\3\2\2\2\u017f\u0183\5\3\2\2\u0180\u0182\5_\60\2\u0181"+
+		"\u0180\3\2\2\2\u0182\u0185\3\2\2\2\u0183\u0181\3\2\2\2\u0183\u0184\3\2"+
+		"\2\2\u0184\u0186\3\2\2\2\u0185\u0183\3\2\2\2\u0186\u0187\5\3\2\2\u0187"+
+		"\u0192\3\2\2\2\u0188\u018c\5\5\3\2\u0189\u018b\5_\60\2\u018a\u0189\3\2"+
+		"\2\2\u018b\u018e\3\2\2\2\u018c\u018a\3\2\2\2\u018c\u018d\3\2\2\2\u018d"+
+		"\u018f\3\2\2\2\u018e\u018c\3\2\2\2\u018f\u0190\5\5\3\2\u0190\u0192\3\2"+
+		"\2\2\u0191\u017f\3\2\2\2\u0191\u0188\3\2\2\2\u0192T\3\2\2\2\u0193\u0194"+
+		"\7\61\2\2\u0194\u0195\7\61\2\2\u0195\u0197\3\2\2\2\u0196\u0198\13\2\2"+
+		"\2\u0197\u0196\3\2\2\2\u0198\u0199\3\2\2\2\u0199\u019a\3\2\2\2\u0199\u0197"+
+		"\3\2\2\2\u019a\u019d\3\2\2\2\u019b\u019e\5i\65\2\u019c\u019e\7\2\2\3\u019d"+
+		"\u019b\3\2\2\2\u019d\u019c\3\2\2\2\u019e\u019f\3\2\2\2\u019f\u01a0\b+"+
+		"\2\2\u01a0V\3\2\2\2\u01a1\u01a3\t\4\2\2\u01a2\u01a1\3\2\2\2\u01a3\u01a4"+
+		"\3\2\2\2\u01a4\u01a2\3\2\2\2\u01a4\u01a5\3\2\2\2\u01a5\u01a6\3\2\2\2\u01a6"+
+		"\u01a7\b,\2\2\u01a7X\3\2\2\2\u01a8\u01a9\7\62\2\2\u01a9Z\3\2\2\2\u01aa"+
+		"\u01ab\4\63;\2\u01ab\\\3\2\2\2\u01ac\u01ad\4\62;\2\u01ad^\3\2\2\2\u01ae"+
+		"\u01af\n\5\2\2\u01af`\3\2\2\2\u01b0\u01b1\t\6\2\2\u01b1b\3\2\2\2\u01b2"+
+		"\u01b3\t\7\2\2\u01b3d\3\2\2\2\u01b4\u01b5\t\b\2\2\u01b5f\3\2\2\2\u01b6"+
+		"\u01b7\t\t\2\2\u01b7h\3\2\2\2\u01b8\u01b9\7\f\2\2\u01b9j\3\2\2\2,\2{\u0083"+
+		"\u008b\u0095\u00a1\u00bb\u00c5\u00cf\u00d9\u00f3\u0101\u010f\u0114\u0119"+
+		"\u011c\u0120\u0126\u0129\u0130\u0134\u0137\u013d\u0140\u0143\u0148\u014c"+
+		"\u0150\u0157\u015b\u0160\u0166\u0169\u016f\u0173\u017c\u0183\u018c\u0191"+
+		"\u0199\u019d\u01a4\3\b\2\2";
 	public static final ATN _ATN =
 		new ATNDeserializer().deserialize(_serializedATN.toCharArray());
 	static {

http://git-wip-us.apache.org/repos/asf/incubator-metron/blob/8340c0e2/metron-platform/metron-common/src/main/java/org/apache/metron/common/stellar/generated/StellarListener.java
----------------------------------------------------------------------
diff --git a/metron-platform/metron-common/src/main/java/org/apache/metron/common/stellar/generated/StellarListener.java b/metron-platform/metron-common/src/main/java/org/apache/metron/common/stellar/generated/StellarListener.java
index 8755e2a..bf3c272 100644
--- a/metron-platform/metron-common/src/main/java/org/apache/metron/common/stellar/generated/StellarListener.java
+++ b/metron-platform/metron-common/src/main/java/org/apache/metron/common/stellar/generated/StellarListener.java
@@ -2,7 +2,7 @@
 package org.apache.metron.common.stellar.generated;
 
 //CHECKSTYLE:OFF
-/**
+/*
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
@@ -99,6 +99,30 @@ public interface StellarListener extends ParseTreeListener {
 	 */
 	void exitComparisonExpression(StellarParser.ComparisonExpressionContext ctx);
 	/**
+	 * Enter a parse tree produced by the {@code LogicalExpression}
+	 * labeled alternative in {@link StellarParser#transformation_expr}.
+	 * @param ctx the parse tree
+	 */
+	void enterLogicalExpression(StellarParser.LogicalExpressionContext ctx);
+	/**
+	 * Exit a parse tree produced by the {@code LogicalExpression}
+	 * labeled alternative in {@link StellarParser#transformation_expr}.
+	 * @param ctx the parse tree
+	 */
+	void exitLogicalExpression(StellarParser.LogicalExpressionContext ctx);
+	/**
+	 * Enter a parse tree produced by the {@code InExpression}
+	 * labeled alternative in {@link StellarParser#transformation_expr}.
+	 * @param ctx the parse tree
+	 */
+	void enterInExpression(StellarParser.InExpressionContext ctx);
+	/**
+	 * Exit a parse tree produced by the {@code InExpression}
+	 * labeled alternative in {@link StellarParser#transformation_expr}.
+	 * @param ctx the parse tree
+	 */
+	void exitInExpression(StellarParser.InExpressionContext ctx);
+	/**
 	 * Enter a parse tree produced by the {@code TernaryFuncWithoutIf}
 	 * labeled alternative in {@link StellarParser#conditional_expr}.
 	 * @param ctx the parse tree
@@ -123,89 +147,111 @@ public interface StellarListener extends ParseTreeListener {
 	 */
 	void exitTernaryFuncWithIf(StellarParser.TernaryFuncWithIfContext ctx);
 	/**
-	 * Enter a parse tree produced by the {@code NotFunc}
-	 * labeled alternative in {@link StellarParser#comparison_expr}.
+	 * Enter a parse tree produced by the {@code LogicalExpressionAnd}
+	 * labeled alternative in {@link StellarParser#logical_expr}.
 	 * @param ctx the parse tree
 	 */
-	void enterNotFunc(StellarParser.NotFuncContext ctx);
+	void enterLogicalExpressionAnd(StellarParser.LogicalExpressionAndContext ctx);
 	/**
-	 * Exit a parse tree produced by the {@code NotFunc}
-	 * labeled alternative in {@link StellarParser#comparison_expr}.
+	 * Exit a parse tree produced by the {@code LogicalExpressionAnd}
+	 * labeled alternative in {@link StellarParser#logical_expr}.
 	 * @param ctx the parse tree
 	 */
-	void exitNotFunc(StellarParser.NotFuncContext ctx);
+	void exitLogicalExpressionAnd(StellarParser.LogicalExpressionAndContext ctx);
 	/**
-	 * Enter a parse tree produced by the {@code ComparisonExpressionParens}
-	 * labeled alternative in {@link StellarParser#comparison_expr}.
+	 * Enter a parse tree produced by the {@code LogicalExpressionOr}
+	 * labeled alternative in {@link StellarParser#logical_expr}.
 	 * @param ctx the parse tree
 	 */
-	void enterComparisonExpressionParens(StellarParser.ComparisonExpressionParensContext ctx);
+	void enterLogicalExpressionOr(StellarParser.LogicalExpressionOrContext ctx);
 	/**
-	 * Exit a parse tree produced by the {@code ComparisonExpressionParens}
-	 * labeled alternative in {@link StellarParser#comparison_expr}.
+	 * Exit a parse tree produced by the {@code LogicalExpressionOr}
+	 * labeled alternative in {@link StellarParser#logical_expr}.
 	 * @param ctx the parse tree
 	 */
-	void exitComparisonExpressionParens(StellarParser.ComparisonExpressionParensContext ctx);
+	void exitLogicalExpressionOr(StellarParser.LogicalExpressionOrContext ctx);
 	/**
-	 * Enter a parse tree produced by the {@code InExpression}
-	 * labeled alternative in {@link StellarParser#comparison_expr}.
+	 * Enter a parse tree produced by the {@code BoleanExpression}
+	 * labeled alternative in {@link StellarParser#logical_expr}.
 	 * @param ctx the parse tree
 	 */
-	void enterInExpression(StellarParser.InExpressionContext ctx);
+	void enterBoleanExpression(StellarParser.BoleanExpressionContext ctx);
 	/**
-	 * Exit a parse tree produced by the {@code InExpression}
-	 * labeled alternative in {@link StellarParser#comparison_expr}.
+	 * Exit a parse tree produced by the {@code BoleanExpression}
+	 * labeled alternative in {@link StellarParser#logical_expr}.
 	 * @param ctx the parse tree
 	 */
-	void exitInExpression(StellarParser.InExpressionContext ctx);
+	void exitBoleanExpression(StellarParser.BoleanExpressionContext ctx);
 	/**
-	 * Enter a parse tree produced by the {@code ComparisonExpressionWithOperator}
-	 * labeled alternative in {@link StellarParser#comparison_expr}.
+	 * Enter a parse tree produced by {@link StellarParser#b_expr}.
 	 * @param ctx the parse tree
 	 */
-	void enterComparisonExpressionWithOperator(StellarParser.ComparisonExpressionWithOperatorContext ctx);
+	void enterB_expr(StellarParser.B_exprContext ctx);
 	/**
-	 * Exit a parse tree produced by the {@code ComparisonExpressionWithOperator}
-	 * labeled alternative in {@link StellarParser#comparison_expr}.
+	 * Exit a parse tree produced by {@link StellarParser#b_expr}.
 	 * @param ctx the parse tree
 	 */
-	void exitComparisonExpressionWithOperator(StellarParser.ComparisonExpressionWithOperatorContext ctx);
+	void exitB_expr(StellarParser.B_exprContext ctx);
 	/**
-	 * Enter a parse tree produced by the {@code LogicalExpressionAnd}
+	 * Enter a parse tree produced by the {@code InExpressionStatement}
+	 * labeled alternative in {@link StellarParser#in_expr}.
+	 * @param ctx the parse tree
+	 */
+	void enterInExpressionStatement(StellarParser.InExpressionStatementContext ctx);
+	/**
+	 * Exit a parse tree produced by the {@code InExpressionStatement}
+	 * labeled alternative in {@link StellarParser#in_expr}.
+	 * @param ctx the parse tree
+	 */
+	void exitInExpressionStatement(StellarParser.InExpressionStatementContext ctx);
+	/**
+	 * Enter a parse tree produced by the {@code NInExpressionStatement}
+	 * labeled alternative in {@link StellarParser#in_expr}.
+	 * @param ctx the parse tree
+	 */
+	void enterNInExpressionStatement(StellarParser.NInExpressionStatementContext ctx);
+	/**
+	 * Exit a parse tree produced by the {@code NInExpressionStatement}
+	 * labeled alternative in {@link StellarParser#in_expr}.
+	 * @param ctx the parse tree
+	 */
+	void exitNInExpressionStatement(StellarParser.NInExpressionStatementContext ctx);
+	/**
+	 * Enter a parse tree produced by the {@code NotFunc}
 	 * labeled alternative in {@link StellarParser#comparison_expr}.
 	 * @param ctx the parse tree
 	 */
-	void enterLogicalExpressionAnd(StellarParser.LogicalExpressionAndContext ctx);
+	void enterNotFunc(StellarParser.NotFuncContext ctx);
 	/**
-	 * Exit a parse tree produced by the {@code LogicalExpressionAnd}
+	 * Exit a parse tree produced by the {@code NotFunc}
 	 * labeled alternative in {@link StellarParser#comparison_expr}.
 	 * @param ctx the parse tree
 	 */
-	void exitLogicalExpressionAnd(StellarParser.LogicalExpressionAndContext ctx);
+	void exitNotFunc(StellarParser.NotFuncContext ctx);
 	/**
-	 * Enter a parse tree produced by the {@code NInExpression}
+	 * Enter a parse tree produced by the {@code ComparisonExpressionParens}
 	 * labeled alternative in {@link StellarParser#comparison_expr}.
 	 * @param ctx the parse tree
 	 */
-	void enterNInExpression(StellarParser.NInExpressionContext ctx);
+	void enterComparisonExpressionParens(StellarParser.ComparisonExpressionParensContext ctx);
 	/**
-	 * Exit a parse tree produced by the {@code NInExpression}
+	 * Exit a parse tree produced by the {@code ComparisonExpressionParens}
 	 * labeled alternative in {@link StellarParser#comparison_expr}.
 	 * @param ctx the parse tree
 	 */
-	void exitNInExpression(StellarParser.NInExpressionContext ctx);
+	void exitComparisonExpressionParens(StellarParser.ComparisonExpressionParensContext ctx);
 	/**
-	 * Enter a parse tree produced by the {@code LogicalExpressionOr}
+	 * Enter a parse tree produced by the {@code ComparisonExpressionWithOperator}
 	 * labeled alternative in {@link StellarParser#comparison_expr}.
 	 * @param ctx the parse tree
 	 */
-	void enterLogicalExpressionOr(StellarParser.LogicalExpressionOrContext ctx);
+	void enterComparisonExpressionWithOperator(StellarParser.ComparisonExpressionWithOperatorContext ctx);
 	/**
-	 * Exit a parse tree produced by the {@code LogicalExpressionOr}
+	 * Exit a parse tree produced by the {@code ComparisonExpressionWithOperator}
 	 * labeled alternative in {@link StellarParser#comparison_expr}.
 	 * @param ctx the parse tree
 	 */
-	void exitLogicalExpressionOr(StellarParser.LogicalExpressionOrContext ctx);
+	void exitComparisonExpressionWithOperator(StellarParser.ComparisonExpressionWithOperatorContext ctx);
 	/**
 	 * Enter a parse tree produced by the {@code operand}
 	 * labeled alternative in {@link StellarParser#comparison_expr}.
@@ -241,30 +287,6 @@ public interface StellarListener extends ParseTreeListener {
 	 */
 	void exitComparisonOp(StellarParser.ComparisonOpContext ctx);
 	/**
-	 * Enter a parse tree produced by the {@code ArithOp_plus}
-	 * labeled alternative in {@link StellarParser#arith_operator_addition}.
-	 * @param ctx the parse tree
-	 */
-	void enterArithOp_plus(StellarParser.ArithOp_plusContext ctx);
-	/**
-	 * Exit a parse tree produced by the {@code ArithOp_plus}
-	 * labeled alternative in {@link StellarParser#arith_operator_addition}.
-	 * @param ctx the parse tree
-	 */
-	void exitArithOp_plus(StellarParser.ArithOp_plusContext ctx);
-	/**
-	 * Enter a parse tree produced by the {@code ArithOp_mul}
-	 * labeled alternative in {@link StellarParser#arith_operator_mul}.
-	 * @param ctx the parse tree
-	 */
-	void enterArithOp_mul(StellarParser.ArithOp_mulContext ctx);
-	/**
-	 * Exit a parse tree produced by the {@code ArithOp_mul}
-	 * labeled alternative in {@link StellarParser#arith_operator_mul}.
-	 * @param ctx the parse tree
-	 */
-	void exitArithOp_mul(StellarParser.ArithOp_mulContext ctx);
-	/**
 	 * Enter a parse tree produced by {@link StellarParser#func_args}.
 	 * @param ctx the parse tree
 	 */