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Posted to commits@metron.apache.org by ot...@apache.org on 2018/10/26 13:59:19 UTC

[2/3] metron git commit: METRON-1563 Initial Feature Branch Work (ottobackwards) closes apache/metron#1014

http://git-wip-us.apache.org/repos/asf/metron/blob/3df94987/metron-stellar/stellar-common/src/main/java/org/apache/metron/stellar/common/generated/StellarParser.java
----------------------------------------------------------------------
diff --git a/metron-stellar/stellar-common/src/main/java/org/apache/metron/stellar/common/generated/StellarParser.java b/metron-stellar/stellar-common/src/main/java/org/apache/metron/stellar/common/generated/StellarParser.java
index 3bd4ad1..3fda80b 100644
--- a/metron-stellar/stellar-common/src/main/java/org/apache/metron/stellar/common/generated/StellarParser.java
+++ b/metron-stellar/stellar-common/src/main/java/org/apache/metron/stellar/common/generated/StellarParser.java
@@ -38,48 +38,53 @@ public class StellarParser extends Parser {
 		new PredictionContextCache();
 	public static final int
 		IN=1, LAMBDA_OP=2, DOUBLE_QUOTE=3, SINGLE_QUOTE=4, COMMA=5, PERIOD=6, 
-		AND=7, OR=8, NOT=9, TRUE=10, FALSE=11, EQ=12, NEQ=13, LT=14, LTE=15, GT=16, 
-		GTE=17, QUESTION=18, COLON=19, IF=20, THEN=21, ELSE=22, NULL=23, NAN=24, 
-		MATCH=25, DEFAULT=26, MATCH_ACTION=27, MINUS=28, PLUS=29, DIV=30, MUL=31, 
-		LBRACE=32, RBRACE=33, LBRACKET=34, RBRACKET=35, LPAREN=36, RPAREN=37, 
-		NIN=38, EXISTS=39, EXPONENT=40, INT_LITERAL=41, DOUBLE_LITERAL=42, FLOAT_LITERAL=43, 
-		LONG_LITERAL=44, IDENTIFIER=45, STRING_LITERAL=46, COMMENT=47, WS=48;
+		AND=7, OR=8, NOT=9, TRUE=10, FALSE=11, ASSIGN=12, COLON_ASSIGN=13, PLUSASSIGN=14, 
+		MINUSASSIGN=15, DIVIDEASSIGN=16, MULTASSIGN=17, EQ=18, NEQ=19, LT=20, 
+		LTE=21, GT=22, GTE=23, QUESTION=24, COLON=25, IF=26, THEN=27, ELSE=28, 
+		NULL=29, NAN=30, MATCH=31, DEFAULT=32, MATCH_ACTION=33, MINUS=34, MINUSMINUS=35, 
+		PLUS=36, PLUSPLUS=37, DIV=38, MUL=39, LBRACE=40, RBRACE=41, LBRACKET=42, 
+		RBRACKET=43, LPAREN=44, RPAREN=45, NIN=46, EXISTS=47, EXPONENT=48, INT_LITERAL=49, 
+		DOUBLE_LITERAL=50, FLOAT_LITERAL=51, LONG_LITERAL=52, IDENTIFIER=53, STRING_LITERAL=54, 
+		COMMENT=55, WS=56;
 	public static final int
-		RULE_transformation = 0, RULE_transformation_expr = 1, RULE_if_expr = 2, 
-		RULE_then_expr = 3, RULE_else_expr = 4, RULE_conditional_expr = 5, RULE_logical_expr = 6, 
-		RULE_b_expr = 7, RULE_in_expr = 8, RULE_comparison_expr = 9, RULE_transformation_entity = 10, 
-		RULE_comp_operator = 11, RULE_func_args = 12, RULE_op_list = 13, RULE_list_entity = 14, 
-		RULE_kv_list = 15, RULE_map_entity = 16, RULE_arithmetic_expr = 17, RULE_arithmetic_expr_mul = 18, 
-		RULE_functions = 19, RULE_arithmetic_operands = 20, RULE_identifier_operand = 21, 
-		RULE_default_operand = 22, RULE_lambda_without_args = 23, RULE_lambda_with_args = 24, 
-		RULE_lambda_variables = 25, RULE_single_lambda_variable = 26, RULE_lambda_variable = 27, 
-		RULE_match_expr = 28, RULE_match_clauses = 29, RULE_match_clause = 30, 
-		RULE_match_clause_action = 31, RULE_match_clause_check = 32;
+		RULE_transformation = 0, RULE_transformation_expr = 1, RULE_assign_expr = 2, 
+		RULE_pre_expr = 3, RULE_post_expr = 4, RULE_if_expr = 5, RULE_then_expr = 6, 
+		RULE_else_expr = 7, RULE_conditional_expr = 8, RULE_logical_expr = 9, 
+		RULE_b_expr = 10, RULE_in_expr = 11, RULE_comparison_expr = 12, RULE_transformation_entity = 13, 
+		RULE_comp_operator = 14, RULE_func_args = 15, RULE_op_list = 16, RULE_list_entity = 17, 
+		RULE_kv_list = 18, RULE_map_entity = 19, RULE_arithmetic_expr = 20, RULE_arithmetic_expr_mul = 21, 
+		RULE_functions = 22, RULE_arithmetic_operands = 23, RULE_identifier_operand = 24, 
+		RULE_default_operand = 25, RULE_lambda_without_args = 26, RULE_lambda_with_args = 27, 
+		RULE_lambda_variables = 28, RULE_single_lambda_variable = 29, RULE_lambda_variable = 30, 
+		RULE_match_expr = 31, RULE_match_clauses = 32, RULE_match_clause = 33, 
+		RULE_match_clause_action = 34, RULE_match_clause_check = 35;
 	public static final String[] ruleNames = {
-		"transformation", "transformation_expr", "if_expr", "then_expr", "else_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", "default_operand", "lambda_without_args", 
-		"lambda_with_args", "lambda_variables", "single_lambda_variable", "lambda_variable", 
-		"match_expr", "match_clauses", "match_clause", "match_clause_action", 
-		"match_clause_check"
+		"transformation", "transformation_expr", "assign_expr", "pre_expr", "post_expr", 
+		"if_expr", "then_expr", "else_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", 
+		"default_operand", "lambda_without_args", "lambda_with_args", "lambda_variables", 
+		"single_lambda_variable", "lambda_variable", "match_expr", "match_clauses", 
+		"match_clause", "match_clause_action", "match_clause_check"
 	};
 
 	private static final String[] _LITERAL_NAMES = {
 		null, null, "'->'", "'\"'", "'''", "','", "'.'", null, null, null, null, 
-		null, "'=='", "'!='", "'<'", "'<='", "'>'", "'>='", "'?'", "':'", null, 
-		null, null, null, "'NaN'", null, null, "'=>'", "'-'", "'+'", "'/'", "'*'", 
-		"'{'", "'}'", "'['", "']'", "'('", "')'"
+		null, "'='", "':='", "'+='", "'-='", "'/='", "'*='", "'=='", "'!='", "'<'", 
+		"'<='", "'>'", "'>='", "'?'", "':'", null, null, null, null, "'NaN'", 
+		null, null, "'=>'", "'-'", "'--'", "'+'", "'++'", "'/'", "'*'", "'{'", 
+		"'}'", "'['", "']'", "'('", "')'"
 	};
 	private static final String[] _SYMBOLIC_NAMES = {
 		null, "IN", "LAMBDA_OP", "DOUBLE_QUOTE", "SINGLE_QUOTE", "COMMA", "PERIOD", 
-		"AND", "OR", "NOT", "TRUE", "FALSE", "EQ", "NEQ", "LT", "LTE", "GT", "GTE", 
-		"QUESTION", "COLON", "IF", "THEN", "ELSE", "NULL", "NAN", "MATCH", "DEFAULT", 
-		"MATCH_ACTION", "MINUS", "PLUS", "DIV", "MUL", "LBRACE", "RBRACE", "LBRACKET", 
-		"RBRACKET", "LPAREN", "RPAREN", "NIN", "EXISTS", "EXPONENT", "INT_LITERAL", 
-		"DOUBLE_LITERAL", "FLOAT_LITERAL", "LONG_LITERAL", "IDENTIFIER", "STRING_LITERAL", 
-		"COMMENT", "WS"
+		"AND", "OR", "NOT", "TRUE", "FALSE", "ASSIGN", "COLON_ASSIGN", "PLUSASSIGN", 
+		"MINUSASSIGN", "DIVIDEASSIGN", "MULTASSIGN", "EQ", "NEQ", "LT", "LTE", 
+		"GT", "GTE", "QUESTION", "COLON", "IF", "THEN", "ELSE", "NULL", "NAN", 
+		"MATCH", "DEFAULT", "MATCH_ACTION", "MINUS", "MINUSMINUS", "PLUS", "PLUSPLUS", 
+		"DIV", "MUL", "LBRACE", "RBRACE", "LBRACKET", "RBRACKET", "LPAREN", "RPAREN", 
+		"NIN", "EXISTS", "EXPONENT", "INT_LITERAL", "DOUBLE_LITERAL", "FLOAT_LITERAL", 
+		"LONG_LITERAL", "IDENTIFIER", "STRING_LITERAL", "COMMENT", "WS"
 	};
 	public static final Vocabulary VOCABULARY = new VocabularyImpl(_LITERAL_NAMES, _SYMBOLIC_NAMES);
 
@@ -155,9 +160,9 @@ public class StellarParser extends Parser {
 		try {
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(66);
+			setState(72);
 			transformation_expr();
-			setState(67);
+			setState(73);
 			match(EOF);
 			}
 		}
@@ -211,6 +216,34 @@ public class StellarParser extends Parser {
 			if ( listener instanceof StellarListener ) ((StellarListener)listener).exitLogicalExpression(this);
 		}
 	}
+	public static class PostEprContext extends Transformation_exprContext {
+		public Post_exprContext post_expr() {
+			return getRuleContext(Post_exprContext.class,0);
+		}
+		public PostEprContext(Transformation_exprContext ctx) { copyFrom(ctx); }
+		@Override
+		public void enterRule(ParseTreeListener listener) {
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).enterPostEpr(this);
+		}
+		@Override
+		public void exitRule(ParseTreeListener listener) {
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).exitPostEpr(this);
+		}
+	}
+	public static class PreExprContext extends Transformation_exprContext {
+		public Pre_exprContext pre_expr() {
+			return getRuleContext(Pre_exprContext.class,0);
+		}
+		public PreExprContext(Transformation_exprContext ctx) { copyFrom(ctx); }
+		@Override
+		public void enterRule(ParseTreeListener listener) {
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).enterPreExpr(this);
+		}
+		@Override
+		public void exitRule(ParseTreeListener listener) {
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).exitPreExpr(this);
+		}
+	}
 	public static class TransformationEntityContext extends Transformation_exprContext {
 		public Transformation_entityContext transformation_entity() {
 			return getRuleContext(Transformation_entityContext.class,0);
@@ -297,18 +330,32 @@ public class StellarParser extends Parser {
 			if ( listener instanceof StellarListener ) ((StellarListener)listener).exitMatchExpr(this);
 		}
 	}
+	public static class AssignExprContext extends Transformation_exprContext {
+		public Assign_exprContext assign_expr() {
+			return getRuleContext(Assign_exprContext.class,0);
+		}
+		public AssignExprContext(Transformation_exprContext ctx) { copyFrom(ctx); }
+		@Override
+		public void enterRule(ParseTreeListener listener) {
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).enterAssignExpr(this);
+		}
+		@Override
+		public void exitRule(ParseTreeListener listener) {
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).exitAssignExpr(this);
+		}
+	}
 
 	public final Transformation_exprContext transformation_expr() throws RecognitionException {
 		Transformation_exprContext _localctx = new Transformation_exprContext(_ctx, getState());
 		enterRule(_localctx, 2, RULE_transformation_expr);
 		try {
-			setState(80);
+			setState(89);
 			switch ( getInterpreter().adaptivePredict(_input,0,_ctx) ) {
 			case 1:
 				_localctx = new ConditionalExprContext(_localctx);
 				enterOuterAlt(_localctx, 1);
 				{
-				setState(69);
+				setState(75);
 				conditional_expr();
 				}
 				break;
@@ -316,11 +363,11 @@ public class StellarParser extends Parser {
 				_localctx = new TransformationExprContext(_localctx);
 				enterOuterAlt(_localctx, 2);
 				{
-				setState(70);
+				setState(76);
 				match(LPAREN);
-				setState(71);
+				setState(77);
 				transformation_expr();
-				setState(72);
+				setState(78);
 				match(RPAREN);
 				}
 				break;
@@ -328,7 +375,7 @@ public class StellarParser extends Parser {
 				_localctx = new ArithExpressionContext(_localctx);
 				enterOuterAlt(_localctx, 3);
 				{
-				setState(74);
+				setState(80);
 				arithmetic_expr(0);
 				}
 				break;
@@ -336,7 +383,7 @@ public class StellarParser extends Parser {
 				_localctx = new TransformationEntityContext(_localctx);
 				enterOuterAlt(_localctx, 4);
 				{
-				setState(75);
+				setState(81);
 				transformation_entity();
 				}
 				break;
@@ -344,7 +391,7 @@ public class StellarParser extends Parser {
 				_localctx = new ComparisonExpressionContext(_localctx);
 				enterOuterAlt(_localctx, 5);
 				{
-				setState(76);
+				setState(82);
 				comparison_expr(0);
 				}
 				break;
@@ -352,7 +399,7 @@ public class StellarParser extends Parser {
 				_localctx = new LogicalExpressionContext(_localctx);
 				enterOuterAlt(_localctx, 6);
 				{
-				setState(77);
+				setState(83);
 				logical_expr();
 				}
 				break;
@@ -360,7 +407,7 @@ public class StellarParser extends Parser {
 				_localctx = new InExpressionContext(_localctx);
 				enterOuterAlt(_localctx, 7);
 				{
-				setState(78);
+				setState(84);
 				in_expr();
 				}
 				break;
@@ -368,10 +415,389 @@ public class StellarParser extends Parser {
 				_localctx = new MatchExprContext(_localctx);
 				enterOuterAlt(_localctx, 8);
 				{
-				setState(79);
+				setState(85);
 				match_expr();
 				}
 				break;
+			case 9:
+				_localctx = new AssignExprContext(_localctx);
+				enterOuterAlt(_localctx, 9);
+				{
+				setState(86);
+				assign_expr();
+				}
+				break;
+			case 10:
+				_localctx = new PreExprContext(_localctx);
+				enterOuterAlt(_localctx, 10);
+				{
+				setState(87);
+				pre_expr();
+				}
+				break;
+			case 11:
+				_localctx = new PostEprContext(_localctx);
+				enterOuterAlt(_localctx, 11);
+				{
+				setState(88);
+				post_expr();
+				}
+				break;
+			}
+		}
+		catch (RecognitionException re) {
+			_localctx.exception = re;
+			_errHandler.reportError(this, re);
+			_errHandler.recover(this, re);
+		}
+		finally {
+			exitRule();
+		}
+		return _localctx;
+	}
+
+	public static class Assign_exprContext extends ParserRuleContext {
+		public Assign_exprContext(ParserRuleContext parent, int invokingState) {
+			super(parent, invokingState);
+		}
+		@Override public int getRuleIndex() { return RULE_assign_expr; }
+	 
+		public Assign_exprContext() { }
+		public void copyFrom(Assign_exprContext ctx) {
+			super.copyFrom(ctx);
+		}
+	}
+	public static class AssignExpressionContext extends Assign_exprContext {
+		public TerminalNode IDENTIFIER() { return getToken(StellarParser.IDENTIFIER, 0); }
+		public TerminalNode ASSIGN() { return getToken(StellarParser.ASSIGN, 0); }
+		public Transformation_exprContext transformation_expr() {
+			return getRuleContext(Transformation_exprContext.class,0);
+		}
+		public AssignExpressionContext(Assign_exprContext ctx) { copyFrom(ctx); }
+		@Override
+		public void enterRule(ParseTreeListener listener) {
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).enterAssignExpression(this);
+		}
+		@Override
+		public void exitRule(ParseTreeListener listener) {
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).exitAssignExpression(this);
+		}
+	}
+	public static class DivideAssignExpressionContext extends Assign_exprContext {
+		public TerminalNode IDENTIFIER() { return getToken(StellarParser.IDENTIFIER, 0); }
+		public TerminalNode DIVIDEASSIGN() { return getToken(StellarParser.DIVIDEASSIGN, 0); }
+		public Transformation_exprContext transformation_expr() {
+			return getRuleContext(Transformation_exprContext.class,0);
+		}
+		public DivideAssignExpressionContext(Assign_exprContext ctx) { copyFrom(ctx); }
+		@Override
+		public void enterRule(ParseTreeListener listener) {
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).enterDivideAssignExpression(this);
+		}
+		@Override
+		public void exitRule(ParseTreeListener listener) {
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).exitDivideAssignExpression(this);
+		}
+	}
+	public static class PlusAssignExpressionContext extends Assign_exprContext {
+		public TerminalNode IDENTIFIER() { return getToken(StellarParser.IDENTIFIER, 0); }
+		public TerminalNode PLUSASSIGN() { return getToken(StellarParser.PLUSASSIGN, 0); }
+		public Transformation_exprContext transformation_expr() {
+			return getRuleContext(Transformation_exprContext.class,0);
+		}
+		public PlusAssignExpressionContext(Assign_exprContext ctx) { copyFrom(ctx); }
+		@Override
+		public void enterRule(ParseTreeListener listener) {
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).enterPlusAssignExpression(this);
+		}
+		@Override
+		public void exitRule(ParseTreeListener listener) {
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).exitPlusAssignExpression(this);
+		}
+	}
+	public static class MultiAssignExpressionContext extends Assign_exprContext {
+		public TerminalNode IDENTIFIER() { return getToken(StellarParser.IDENTIFIER, 0); }
+		public TerminalNode MULTASSIGN() { return getToken(StellarParser.MULTASSIGN, 0); }
+		public Transformation_exprContext transformation_expr() {
+			return getRuleContext(Transformation_exprContext.class,0);
+		}
+		public MultiAssignExpressionContext(Assign_exprContext ctx) { copyFrom(ctx); }
+		@Override
+		public void enterRule(ParseTreeListener listener) {
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).enterMultiAssignExpression(this);
+		}
+		@Override
+		public void exitRule(ParseTreeListener listener) {
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).exitMultiAssignExpression(this);
+		}
+	}
+	public static class ColonAssignExpressionContext extends Assign_exprContext {
+		public TerminalNode IDENTIFIER() { return getToken(StellarParser.IDENTIFIER, 0); }
+		public TerminalNode COLON_ASSIGN() { return getToken(StellarParser.COLON_ASSIGN, 0); }
+		public Transformation_exprContext transformation_expr() {
+			return getRuleContext(Transformation_exprContext.class,0);
+		}
+		public ColonAssignExpressionContext(Assign_exprContext ctx) { copyFrom(ctx); }
+		@Override
+		public void enterRule(ParseTreeListener listener) {
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).enterColonAssignExpression(this);
+		}
+		@Override
+		public void exitRule(ParseTreeListener listener) {
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).exitColonAssignExpression(this);
+		}
+	}
+	public static class MinusAssignExpressionContext extends Assign_exprContext {
+		public TerminalNode IDENTIFIER() { return getToken(StellarParser.IDENTIFIER, 0); }
+		public TerminalNode MINUSASSIGN() { return getToken(StellarParser.MINUSASSIGN, 0); }
+		public Transformation_exprContext transformation_expr() {
+			return getRuleContext(Transformation_exprContext.class,0);
+		}
+		public MinusAssignExpressionContext(Assign_exprContext ctx) { copyFrom(ctx); }
+		@Override
+		public void enterRule(ParseTreeListener listener) {
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).enterMinusAssignExpression(this);
+		}
+		@Override
+		public void exitRule(ParseTreeListener listener) {
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).exitMinusAssignExpression(this);
+		}
+	}
+
+	public final Assign_exprContext assign_expr() throws RecognitionException {
+		Assign_exprContext _localctx = new Assign_exprContext(_ctx, getState());
+		enterRule(_localctx, 4, RULE_assign_expr);
+		try {
+			setState(109);
+			switch ( getInterpreter().adaptivePredict(_input,1,_ctx) ) {
+			case 1:
+				_localctx = new AssignExpressionContext(_localctx);
+				enterOuterAlt(_localctx, 1);
+				{
+				setState(91);
+				match(IDENTIFIER);
+				setState(92);
+				match(ASSIGN);
+				setState(93);
+				transformation_expr();
+				}
+				break;
+			case 2:
+				_localctx = new ColonAssignExpressionContext(_localctx);
+				enterOuterAlt(_localctx, 2);
+				{
+				setState(94);
+				match(IDENTIFIER);
+				setState(95);
+				match(COLON_ASSIGN);
+				setState(96);
+				transformation_expr();
+				}
+				break;
+			case 3:
+				_localctx = new PlusAssignExpressionContext(_localctx);
+				enterOuterAlt(_localctx, 3);
+				{
+				setState(97);
+				match(IDENTIFIER);
+				setState(98);
+				match(PLUSASSIGN);
+				setState(99);
+				transformation_expr();
+				}
+				break;
+			case 4:
+				_localctx = new MinusAssignExpressionContext(_localctx);
+				enterOuterAlt(_localctx, 4);
+				{
+				setState(100);
+				match(IDENTIFIER);
+				setState(101);
+				match(MINUSASSIGN);
+				setState(102);
+				transformation_expr();
+				}
+				break;
+			case 5:
+				_localctx = new DivideAssignExpressionContext(_localctx);
+				enterOuterAlt(_localctx, 5);
+				{
+				setState(103);
+				match(IDENTIFIER);
+				setState(104);
+				match(DIVIDEASSIGN);
+				setState(105);
+				transformation_expr();
+				}
+				break;
+			case 6:
+				_localctx = new MultiAssignExpressionContext(_localctx);
+				enterOuterAlt(_localctx, 6);
+				{
+				setState(106);
+				match(IDENTIFIER);
+				setState(107);
+				match(MULTASSIGN);
+				setState(108);
+				transformation_expr();
+				}
+				break;
+			}
+		}
+		catch (RecognitionException re) {
+			_localctx.exception = re;
+			_errHandler.reportError(this, re);
+			_errHandler.recover(this, re);
+		}
+		finally {
+			exitRule();
+		}
+		return _localctx;
+	}
+
+	public static class Pre_exprContext extends ParserRuleContext {
+		public Pre_exprContext(ParserRuleContext parent, int invokingState) {
+			super(parent, invokingState);
+		}
+		@Override public int getRuleIndex() { return RULE_pre_expr; }
+	 
+		public Pre_exprContext() { }
+		public void copyFrom(Pre_exprContext ctx) {
+			super.copyFrom(ctx);
+		}
+	}
+	public static class PreDecrementExpressionContext extends Pre_exprContext {
+		public TerminalNode MINUSMINUS() { return getToken(StellarParser.MINUSMINUS, 0); }
+		public TerminalNode IDENTIFIER() { return getToken(StellarParser.IDENTIFIER, 0); }
+		public PreDecrementExpressionContext(Pre_exprContext ctx) { copyFrom(ctx); }
+		@Override
+		public void enterRule(ParseTreeListener listener) {
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).enterPreDecrementExpression(this);
+		}
+		@Override
+		public void exitRule(ParseTreeListener listener) {
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).exitPreDecrementExpression(this);
+		}
+	}
+	public static class PreIncrementExpressionContext extends Pre_exprContext {
+		public TerminalNode PLUSPLUS() { return getToken(StellarParser.PLUSPLUS, 0); }
+		public TerminalNode IDENTIFIER() { return getToken(StellarParser.IDENTIFIER, 0); }
+		public PreIncrementExpressionContext(Pre_exprContext ctx) { copyFrom(ctx); }
+		@Override
+		public void enterRule(ParseTreeListener listener) {
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).enterPreIncrementExpression(this);
+		}
+		@Override
+		public void exitRule(ParseTreeListener listener) {
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).exitPreIncrementExpression(this);
+		}
+	}
+
+	public final Pre_exprContext pre_expr() throws RecognitionException {
+		Pre_exprContext _localctx = new Pre_exprContext(_ctx, getState());
+		enterRule(_localctx, 6, RULE_pre_expr);
+		try {
+			setState(115);
+			switch (_input.LA(1)) {
+			case PLUSPLUS:
+				_localctx = new PreIncrementExpressionContext(_localctx);
+				enterOuterAlt(_localctx, 1);
+				{
+				setState(111);
+				match(PLUSPLUS);
+				setState(112);
+				match(IDENTIFIER);
+				}
+				break;
+			case MINUSMINUS:
+				_localctx = new PreDecrementExpressionContext(_localctx);
+				enterOuterAlt(_localctx, 2);
+				{
+				setState(113);
+				match(MINUSMINUS);
+				setState(114);
+				match(IDENTIFIER);
+				}
+				break;
+			default:
+				throw new NoViableAltException(this);
+			}
+		}
+		catch (RecognitionException re) {
+			_localctx.exception = re;
+			_errHandler.reportError(this, re);
+			_errHandler.recover(this, re);
+		}
+		finally {
+			exitRule();
+		}
+		return _localctx;
+	}
+
+	public static class Post_exprContext extends ParserRuleContext {
+		public Post_exprContext(ParserRuleContext parent, int invokingState) {
+			super(parent, invokingState);
+		}
+		@Override public int getRuleIndex() { return RULE_post_expr; }
+	 
+		public Post_exprContext() { }
+		public void copyFrom(Post_exprContext ctx) {
+			super.copyFrom(ctx);
+		}
+	}
+	public static class PostIncrementExpressionContext extends Post_exprContext {
+		public TerminalNode IDENTIFIER() { return getToken(StellarParser.IDENTIFIER, 0); }
+		public TerminalNode PLUSPLUS() { return getToken(StellarParser.PLUSPLUS, 0); }
+		public PostIncrementExpressionContext(Post_exprContext ctx) { copyFrom(ctx); }
+		@Override
+		public void enterRule(ParseTreeListener listener) {
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).enterPostIncrementExpression(this);
+		}
+		@Override
+		public void exitRule(ParseTreeListener listener) {
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).exitPostIncrementExpression(this);
+		}
+	}
+	public static class PostDecrementExpressionContext extends Post_exprContext {
+		public TerminalNode IDENTIFIER() { return getToken(StellarParser.IDENTIFIER, 0); }
+		public TerminalNode MINUSMINUS() { return getToken(StellarParser.MINUSMINUS, 0); }
+		public PostDecrementExpressionContext(Post_exprContext ctx) { copyFrom(ctx); }
+		@Override
+		public void enterRule(ParseTreeListener listener) {
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).enterPostDecrementExpression(this);
+		}
+		@Override
+		public void exitRule(ParseTreeListener listener) {
+			if ( listener instanceof StellarListener ) ((StellarListener)listener).exitPostDecrementExpression(this);
+		}
+	}
+
+	public final Post_exprContext post_expr() throws RecognitionException {
+		Post_exprContext _localctx = new Post_exprContext(_ctx, getState());
+		enterRule(_localctx, 8, RULE_post_expr);
+		try {
+			setState(121);
+			switch ( getInterpreter().adaptivePredict(_input,3,_ctx) ) {
+			case 1:
+				_localctx = new PostIncrementExpressionContext(_localctx);
+				enterOuterAlt(_localctx, 1);
+				{
+				setState(117);
+				match(IDENTIFIER);
+				setState(118);
+				match(PLUSPLUS);
+				}
+				break;
+			case 2:
+				_localctx = new PostDecrementExpressionContext(_localctx);
+				enterOuterAlt(_localctx, 2);
+				{
+				setState(119);
+				match(IDENTIFIER);
+				setState(120);
+				match(MINUSMINUS);
+				}
+				break;
 			}
 		}
 		catch (RecognitionException re) {
@@ -405,11 +831,11 @@ public class StellarParser extends Parser {
 
 	public final If_exprContext if_expr() throws RecognitionException {
 		If_exprContext _localctx = new If_exprContext(_ctx, getState());
-		enterRule(_localctx, 4, RULE_if_expr);
+		enterRule(_localctx, 10, RULE_if_expr);
 		try {
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(82);
+			setState(123);
 			logical_expr();
 			}
 		}
@@ -444,11 +870,11 @@ public class StellarParser extends Parser {
 
 	public final Then_exprContext then_expr() throws RecognitionException {
 		Then_exprContext _localctx = new Then_exprContext(_ctx, getState());
-		enterRule(_localctx, 6, RULE_then_expr);
+		enterRule(_localctx, 12, RULE_then_expr);
 		try {
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(84);
+			setState(125);
 			transformation_expr();
 			}
 		}
@@ -483,11 +909,11 @@ public class StellarParser extends Parser {
 
 	public final Else_exprContext else_expr() throws RecognitionException {
 		Else_exprContext _localctx = new Else_exprContext(_ctx, getState());
-		enterRule(_localctx, 8, RULE_else_expr);
+		enterRule(_localctx, 14, RULE_else_expr);
 		try {
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(86);
+			setState(127);
 			transformation_expr();
 			}
 		}
@@ -561,9 +987,9 @@ public class StellarParser extends Parser {
 
 	public final Conditional_exprContext conditional_expr() throws RecognitionException {
 		Conditional_exprContext _localctx = new Conditional_exprContext(_ctx, getState());
-		enterRule(_localctx, 10, RULE_conditional_expr);
+		enterRule(_localctx, 16, RULE_conditional_expr);
 		try {
-			setState(101);
+			setState(142);
 			switch (_input.LA(1)) {
 			case NOT:
 			case TRUE:
@@ -583,15 +1009,15 @@ public class StellarParser extends Parser {
 				_localctx = new TernaryFuncWithoutIfContext(_localctx);
 				enterOuterAlt(_localctx, 1);
 				{
-				setState(88);
+				setState(129);
 				if_expr();
-				setState(89);
+				setState(130);
 				match(QUESTION);
-				setState(90);
+				setState(131);
 				then_expr();
-				setState(91);
+				setState(132);
 				match(COLON);
-				setState(92);
+				setState(133);
 				else_expr();
 				}
 				break;
@@ -599,17 +1025,17 @@ public class StellarParser extends Parser {
 				_localctx = new TernaryFuncWithIfContext(_localctx);
 				enterOuterAlt(_localctx, 2);
 				{
-				setState(94);
+				setState(135);
 				match(IF);
-				setState(95);
+				setState(136);
 				if_expr();
-				setState(96);
+				setState(137);
 				match(THEN);
-				setState(97);
+				setState(138);
 				then_expr();
-				setState(98);
+				setState(139);
 				match(ELSE);
-				setState(99);
+				setState(140);
 				else_expr();
 				}
 				break;
@@ -692,19 +1118,19 @@ public class StellarParser extends Parser {
 
 	public final Logical_exprContext logical_expr() throws RecognitionException {
 		Logical_exprContext _localctx = new Logical_exprContext(_ctx, getState());
-		enterRule(_localctx, 12, RULE_logical_expr);
+		enterRule(_localctx, 18, RULE_logical_expr);
 		try {
-			setState(112);
-			switch ( getInterpreter().adaptivePredict(_input,2,_ctx) ) {
+			setState(153);
+			switch ( getInterpreter().adaptivePredict(_input,5,_ctx) ) {
 			case 1:
 				_localctx = new LogicalExpressionAndContext(_localctx);
 				enterOuterAlt(_localctx, 1);
 				{
-				setState(103);
+				setState(144);
 				b_expr();
-				setState(104);
+				setState(145);
 				match(AND);
-				setState(105);
+				setState(146);
 				logical_expr();
 				}
 				break;
@@ -712,11 +1138,11 @@ public class StellarParser extends Parser {
 				_localctx = new LogicalExpressionOrContext(_localctx);
 				enterOuterAlt(_localctx, 2);
 				{
-				setState(107);
+				setState(148);
 				b_expr();
-				setState(108);
+				setState(149);
 				match(OR);
-				setState(109);
+				setState(150);
 				logical_expr();
 				}
 				break;
@@ -724,7 +1150,7 @@ public class StellarParser extends Parser {
 				_localctx = new BoleanExpressionContext(_localctx);
 				enterOuterAlt(_localctx, 3);
 				{
-				setState(111);
+				setState(152);
 				b_expr();
 				}
 				break;
@@ -764,21 +1190,21 @@ public class StellarParser extends Parser {
 
 	public final B_exprContext b_expr() throws RecognitionException {
 		B_exprContext _localctx = new B_exprContext(_ctx, getState());
-		enterRule(_localctx, 14, RULE_b_expr);
+		enterRule(_localctx, 20, RULE_b_expr);
 		try {
-			setState(116);
-			switch ( getInterpreter().adaptivePredict(_input,3,_ctx) ) {
+			setState(157);
+			switch ( getInterpreter().adaptivePredict(_input,6,_ctx) ) {
 			case 1:
 				enterOuterAlt(_localctx, 1);
 				{
-				setState(114);
+				setState(155);
 				comparison_expr(0);
 				}
 				break;
 			case 2:
 				enterOuterAlt(_localctx, 2);
 				{
-				setState(115);
+				setState(156);
 				in_expr();
 				}
 				break;
@@ -845,19 +1271,19 @@ public class StellarParser extends Parser {
 
 	public final In_exprContext in_expr() throws RecognitionException {
 		In_exprContext _localctx = new In_exprContext(_ctx, getState());
-		enterRule(_localctx, 16, RULE_in_expr);
+		enterRule(_localctx, 22, RULE_in_expr);
 		try {
-			setState(126);
-			switch ( getInterpreter().adaptivePredict(_input,4,_ctx) ) {
+			setState(167);
+			switch ( getInterpreter().adaptivePredict(_input,7,_ctx) ) {
 			case 1:
 				_localctx = new InExpressionStatementContext(_localctx);
 				enterOuterAlt(_localctx, 1);
 				{
-				setState(118);
+				setState(159);
 				identifier_operand();
-				setState(119);
+				setState(160);
 				match(IN);
-				setState(120);
+				setState(161);
 				b_expr();
 				}
 				break;
@@ -865,11 +1291,11 @@ public class StellarParser extends Parser {
 				_localctx = new NInExpressionStatementContext(_localctx);
 				enterOuterAlt(_localctx, 2);
 				{
-				setState(122);
+				setState(163);
 				identifier_operand();
-				setState(123);
+				setState(164);
 				match(NIN);
-				setState(124);
+				setState(165);
 				b_expr();
 				}
 				break;
@@ -974,27 +1400,27 @@ public class StellarParser extends Parser {
 		int _parentState = getState();
 		Comparison_exprContext _localctx = new Comparison_exprContext(_ctx, _parentState);
 		Comparison_exprContext _prevctx = _localctx;
-		int _startState = 18;
-		enterRecursionRule(_localctx, 18, RULE_comparison_expr, _p);
+		int _startState = 24;
+		enterRecursionRule(_localctx, 24, RULE_comparison_expr, _p);
 		try {
 			int _alt;
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(139);
-			switch ( getInterpreter().adaptivePredict(_input,5,_ctx) ) {
+			setState(180);
+			switch ( getInterpreter().adaptivePredict(_input,8,_ctx) ) {
 			case 1:
 				{
 				_localctx = new NotFuncContext(_localctx);
 				_ctx = _localctx;
 				_prevctx = _localctx;
 
-				setState(129);
+				setState(170);
 				match(NOT);
-				setState(130);
+				setState(171);
 				match(LPAREN);
-				setState(131);
+				setState(172);
 				logical_expr();
-				setState(132);
+				setState(173);
 				match(RPAREN);
 				}
 				break;
@@ -1003,11 +1429,11 @@ public class StellarParser extends Parser {
 				_localctx = new ComparisonExpressionParensContext(_localctx);
 				_ctx = _localctx;
 				_prevctx = _localctx;
-				setState(134);
+				setState(175);
 				match(LPAREN);
-				setState(135);
+				setState(176);
 				logical_expr();
-				setState(136);
+				setState(177);
 				match(RPAREN);
 				}
 				break;
@@ -1016,15 +1442,15 @@ public class StellarParser extends Parser {
 				_localctx = new OperandContext(_localctx);
 				_ctx = _localctx;
 				_prevctx = _localctx;
-				setState(138);
+				setState(179);
 				identifier_operand();
 				}
 				break;
 			}
 			_ctx.stop = _input.LT(-1);
-			setState(147);
+			setState(188);
 			_errHandler.sync(this);
-			_alt = getInterpreter().adaptivePredict(_input,6,_ctx);
+			_alt = getInterpreter().adaptivePredict(_input,9,_ctx);
 			while ( _alt!=2 && _alt!=org.antlr.v4.runtime.atn.ATN.INVALID_ALT_NUMBER ) {
 				if ( _alt==1 ) {
 					if ( _parseListeners!=null ) triggerExitRuleEvent();
@@ -1033,18 +1459,18 @@ public class StellarParser extends Parser {
 					{
 					_localctx = new ComparisonExpressionWithOperatorContext(new Comparison_exprContext(_parentctx, _parentState));
 					pushNewRecursionContext(_localctx, _startState, RULE_comparison_expr);
-					setState(141);
+					setState(182);
 					if (!(precpred(_ctx, 4))) throw new FailedPredicateException(this, "precpred(_ctx, 4)");
-					setState(142);
+					setState(183);
 					comp_operator();
-					setState(143);
+					setState(184);
 					comparison_expr(5);
 					}
 					} 
 				}
-				setState(149);
+				setState(190);
 				_errHandler.sync(this);
-				_alt = getInterpreter().adaptivePredict(_input,6,_ctx);
+				_alt = getInterpreter().adaptivePredict(_input,9,_ctx);
 			}
 			}
 		}
@@ -1079,11 +1505,11 @@ public class StellarParser extends Parser {
 
 	public final Transformation_entityContext transformation_entity() throws RecognitionException {
 		Transformation_entityContext _localctx = new Transformation_entityContext(_ctx, getState());
-		enterRule(_localctx, 20, RULE_transformation_entity);
+		enterRule(_localctx, 26, RULE_transformation_entity);
 		try {
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(150);
+			setState(191);
 			identifier_operand();
 			}
 		}
@@ -1129,13 +1555,13 @@ public class StellarParser extends Parser {
 
 	public final Comp_operatorContext comp_operator() throws RecognitionException {
 		Comp_operatorContext _localctx = new Comp_operatorContext(_ctx, getState());
-		enterRule(_localctx, 22, RULE_comp_operator);
+		enterRule(_localctx, 28, RULE_comp_operator);
 		int _la;
 		try {
 			_localctx = new ComparisonOpContext(_localctx);
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(152);
+			setState(193);
 			_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);
@@ -1177,27 +1603,27 @@ public class StellarParser extends Parser {
 
 	public final Func_argsContext func_args() throws RecognitionException {
 		Func_argsContext _localctx = new Func_argsContext(_ctx, getState());
-		enterRule(_localctx, 24, RULE_func_args);
+		enterRule(_localctx, 30, RULE_func_args);
 		try {
-			setState(160);
-			switch ( getInterpreter().adaptivePredict(_input,7,_ctx) ) {
+			setState(201);
+			switch ( getInterpreter().adaptivePredict(_input,10,_ctx) ) {
 			case 1:
 				enterOuterAlt(_localctx, 1);
 				{
-				setState(154);
+				setState(195);
 				match(LPAREN);
-				setState(155);
+				setState(196);
 				op_list(0);
-				setState(156);
+				setState(197);
 				match(RPAREN);
 				}
 				break;
 			case 2:
 				enterOuterAlt(_localctx, 2);
 				{
-				setState(158);
+				setState(199);
 				match(LPAREN);
-				setState(159);
+				setState(200);
 				match(RPAREN);
 				}
 				break;
@@ -1251,53 +1677,53 @@ public class StellarParser extends Parser {
 		int _parentState = getState();
 		Op_listContext _localctx = new Op_listContext(_ctx, _parentState);
 		Op_listContext _prevctx = _localctx;
-		int _startState = 26;
-		enterRecursionRule(_localctx, 26, RULE_op_list, _p);
+		int _startState = 32;
+		enterRecursionRule(_localctx, 32, RULE_op_list, _p);
 		try {
 			int _alt;
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(166);
-			switch ( getInterpreter().adaptivePredict(_input,8,_ctx) ) {
+			setState(207);
+			switch ( getInterpreter().adaptivePredict(_input,11,_ctx) ) {
 			case 1:
 				{
-				setState(163);
+				setState(204);
 				identifier_operand();
 				}
 				break;
 			case 2:
 				{
-				setState(164);
+				setState(205);
 				conditional_expr();
 				}
 				break;
 			case 3:
 				{
-				setState(165);
+				setState(206);
 				comparison_expr(0);
 				}
 				break;
 			}
 			_ctx.stop = _input.LT(-1);
-			setState(179);
+			setState(220);
 			_errHandler.sync(this);
-			_alt = getInterpreter().adaptivePredict(_input,10,_ctx);
+			_alt = getInterpreter().adaptivePredict(_input,13,_ctx);
 			while ( _alt!=2 && _alt!=org.antlr.v4.runtime.atn.ATN.INVALID_ALT_NUMBER ) {
 				if ( _alt==1 ) {
 					if ( _parseListeners!=null ) triggerExitRuleEvent();
 					_prevctx = _localctx;
 					{
-					setState(177);
-					switch ( getInterpreter().adaptivePredict(_input,9,_ctx) ) {
+					setState(218);
+					switch ( getInterpreter().adaptivePredict(_input,12,_ctx) ) {
 					case 1:
 						{
 						_localctx = new Op_listContext(_parentctx, _parentState);
 						pushNewRecursionContext(_localctx, _startState, RULE_op_list);
-						setState(168);
+						setState(209);
 						if (!(precpred(_ctx, 5))) throw new FailedPredicateException(this, "precpred(_ctx, 5)");
-						setState(169);
+						setState(210);
 						match(COMMA);
-						setState(170);
+						setState(211);
 						identifier_operand();
 						}
 						break;
@@ -1305,11 +1731,11 @@ public class StellarParser extends Parser {
 						{
 						_localctx = new Op_listContext(_parentctx, _parentState);
 						pushNewRecursionContext(_localctx, _startState, RULE_op_list);
-						setState(171);
+						setState(212);
 						if (!(precpred(_ctx, 3))) throw new FailedPredicateException(this, "precpred(_ctx, 3)");
-						setState(172);
+						setState(213);
 						match(COMMA);
-						setState(173);
+						setState(214);
 						conditional_expr();
 						}
 						break;
@@ -1317,20 +1743,20 @@ public class StellarParser extends Parser {
 						{
 						_localctx = new Op_listContext(_parentctx, _parentState);
 						pushNewRecursionContext(_localctx, _startState, RULE_op_list);
-						setState(174);
+						setState(215);
 						if (!(precpred(_ctx, 1))) throw new FailedPredicateException(this, "precpred(_ctx, 1)");
-						setState(175);
+						setState(216);
 						match(COMMA);
-						setState(176);
+						setState(217);
 						comparison_expr(0);
 						}
 						break;
 					}
 					} 
 				}
-				setState(181);
+				setState(222);
 				_errHandler.sync(this);
-				_alt = getInterpreter().adaptivePredict(_input,10,_ctx);
+				_alt = getInterpreter().adaptivePredict(_input,13,_ctx);
 			}
 			}
 		}
@@ -1367,27 +1793,27 @@ public class StellarParser extends Parser {
 
 	public final List_entityContext list_entity() throws RecognitionException {
 		List_entityContext _localctx = new List_entityContext(_ctx, getState());
-		enterRule(_localctx, 28, RULE_list_entity);
+		enterRule(_localctx, 34, RULE_list_entity);
 		try {
-			setState(188);
-			switch ( getInterpreter().adaptivePredict(_input,11,_ctx) ) {
+			setState(229);
+			switch ( getInterpreter().adaptivePredict(_input,14,_ctx) ) {
 			case 1:
 				enterOuterAlt(_localctx, 1);
 				{
-				setState(182);
+				setState(223);
 				match(LBRACKET);
-				setState(183);
+				setState(224);
 				match(RBRACKET);
 				}
 				break;
 			case 2:
 				enterOuterAlt(_localctx, 2);
 				{
-				setState(184);
+				setState(225);
 				match(LBRACKET);
-				setState(185);
+				setState(226);
 				op_list(0);
-				setState(186);
+				setState(227);
 				match(RBRACKET);
 				}
 				break;
@@ -1442,59 +1868,59 @@ public class StellarParser extends Parser {
 		int _parentState = getState();
 		Kv_listContext _localctx = new Kv_listContext(_ctx, _parentState);
 		Kv_listContext _prevctx = _localctx;
-		int _startState = 30;
-		enterRecursionRule(_localctx, 30, RULE_kv_list, _p);
+		int _startState = 36;
+		enterRecursionRule(_localctx, 36, RULE_kv_list, _p);
 		try {
 			int _alt;
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(199);
-			switch ( getInterpreter().adaptivePredict(_input,12,_ctx) ) {
+			setState(240);
+			switch ( getInterpreter().adaptivePredict(_input,15,_ctx) ) {
 			case 1:
 				{
-				setState(191);
+				setState(232);
 				identifier_operand();
-				setState(192);
+				setState(233);
 				match(COLON);
-				setState(193);
+				setState(234);
 				transformation_expr();
 				}
 				break;
 			case 2:
 				{
-				setState(195);
+				setState(236);
 				comparison_expr(0);
-				setState(196);
+				setState(237);
 				match(COLON);
-				setState(197);
+				setState(238);
 				transformation_expr();
 				}
 				break;
 			}
 			_ctx.stop = _input.LT(-1);
-			setState(215);
+			setState(256);
 			_errHandler.sync(this);
-			_alt = getInterpreter().adaptivePredict(_input,14,_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(213);
-					switch ( getInterpreter().adaptivePredict(_input,13,_ctx) ) {
+					setState(254);
+					switch ( getInterpreter().adaptivePredict(_input,16,_ctx) ) {
 					case 1:
 						{
 						_localctx = new Kv_listContext(_parentctx, _parentState);
 						pushNewRecursionContext(_localctx, _startState, RULE_kv_list);
-						setState(201);
+						setState(242);
 						if (!(precpred(_ctx, 2))) throw new FailedPredicateException(this, "precpred(_ctx, 2)");
-						setState(202);
+						setState(243);
 						match(COMMA);
-						setState(203);
+						setState(244);
 						identifier_operand();
-						setState(204);
+						setState(245);
 						match(COLON);
-						setState(205);
+						setState(246);
 						transformation_expr();
 						}
 						break;
@@ -1502,24 +1928,24 @@ public class StellarParser extends Parser {
 						{
 						_localctx = new Kv_listContext(_parentctx, _parentState);
 						pushNewRecursionContext(_localctx, _startState, RULE_kv_list);
-						setState(207);
+						setState(248);
 						if (!(precpred(_ctx, 1))) throw new FailedPredicateException(this, "precpred(_ctx, 1)");
-						setState(208);
+						setState(249);
 						match(COMMA);
-						setState(209);
+						setState(250);
 						comparison_expr(0);
-						setState(210);
+						setState(251);
 						match(COLON);
-						setState(211);
+						setState(252);
 						transformation_expr();
 						}
 						break;
 					}
 					} 
 				}
-				setState(217);
+				setState(258);
 				_errHandler.sync(this);
-				_alt = getInterpreter().adaptivePredict(_input,14,_ctx);
+				_alt = getInterpreter().adaptivePredict(_input,17,_ctx);
 			}
 			}
 		}
@@ -1556,27 +1982,27 @@ public class StellarParser extends Parser {
 
 	public final Map_entityContext map_entity() throws RecognitionException {
 		Map_entityContext _localctx = new Map_entityContext(_ctx, getState());
-		enterRule(_localctx, 32, RULE_map_entity);
+		enterRule(_localctx, 38, RULE_map_entity);
 		try {
-			setState(224);
-			switch ( getInterpreter().adaptivePredict(_input,15,_ctx) ) {
+			setState(265);
+			switch ( getInterpreter().adaptivePredict(_input,18,_ctx) ) {
 			case 1:
 				enterOuterAlt(_localctx, 1);
 				{
-				setState(218);
+				setState(259);
 				match(LBRACE);
-				setState(219);
+				setState(260);
 				kv_list(0);
-				setState(220);
+				setState(261);
 				match(RBRACE);
 				}
 				break;
 			case 2:
 				enterOuterAlt(_localctx, 2);
 				{
-				setState(222);
+				setState(263);
 				match(LBRACE);
-				setState(223);
+				setState(264);
 				match(RBRACE);
 				}
 				break;
@@ -1664,8 +2090,8 @@ public class StellarParser extends Parser {
 		int _parentState = getState();
 		Arithmetic_exprContext _localctx = new Arithmetic_exprContext(_ctx, _parentState);
 		Arithmetic_exprContext _prevctx = _localctx;
-		int _startState = 34;
-		enterRecursionRule(_localctx, 34, RULE_arithmetic_expr, _p);
+		int _startState = 40;
+		enterRecursionRule(_localctx, 40, RULE_arithmetic_expr, _p);
 		try {
 			int _alt;
 			enterOuterAlt(_localctx, 1);
@@ -1675,29 +2101,29 @@ public class StellarParser extends Parser {
 			_ctx = _localctx;
 			_prevctx = _localctx;
 
-			setState(227);
+			setState(268);
 			arithmetic_expr_mul(0);
 			}
 			_ctx.stop = _input.LT(-1);
-			setState(237);
+			setState(278);
 			_errHandler.sync(this);
-			_alt = getInterpreter().adaptivePredict(_input,17,_ctx);
+			_alt = getInterpreter().adaptivePredict(_input,20,_ctx);
 			while ( _alt!=2 && _alt!=org.antlr.v4.runtime.atn.ATN.INVALID_ALT_NUMBER ) {
 				if ( _alt==1 ) {
 					if ( _parseListeners!=null ) triggerExitRuleEvent();
 					_prevctx = _localctx;
 					{
-					setState(235);
-					switch ( getInterpreter().adaptivePredict(_input,16,_ctx) ) {
+					setState(276);
+					switch ( getInterpreter().adaptivePredict(_input,19,_ctx) ) {
 					case 1:
 						{
 						_localctx = new ArithExpr_plusContext(new Arithmetic_exprContext(_parentctx, _parentState));
 						pushNewRecursionContext(_localctx, _startState, RULE_arithmetic_expr);
-						setState(229);
+						setState(270);
 						if (!(precpred(_ctx, 2))) throw new FailedPredicateException(this, "precpred(_ctx, 2)");
-						setState(230);
+						setState(271);
 						match(PLUS);
-						setState(231);
+						setState(272);
 						arithmetic_expr_mul(0);
 						}
 						break;
@@ -1705,20 +2131,20 @@ public class StellarParser extends Parser {
 						{
 						_localctx = new ArithExpr_minusContext(new Arithmetic_exprContext(_parentctx, _parentState));
 						pushNewRecursionContext(_localctx, _startState, RULE_arithmetic_expr);
-						setState(232);
+						setState(273);
 						if (!(precpred(_ctx, 1))) throw new FailedPredicateException(this, "precpred(_ctx, 1)");
-						setState(233);
+						setState(274);
 						match(MINUS);
-						setState(234);
+						setState(275);
 						arithmetic_expr_mul(0);
 						}
 						break;
 					}
 					} 
 				}
-				setState(239);
+				setState(280);
 				_errHandler.sync(this);
-				_alt = getInterpreter().adaptivePredict(_input,17,_ctx);
+				_alt = getInterpreter().adaptivePredict(_input,20,_ctx);
 			}
 			}
 		}
@@ -1804,8 +2230,8 @@ 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 = 36;
-		enterRecursionRule(_localctx, 36, RULE_arithmetic_expr_mul, _p);
+		int _startState = 42;
+		enterRecursionRule(_localctx, 42, RULE_arithmetic_expr_mul, _p);
 		try {
 			int _alt;
 			enterOuterAlt(_localctx, 1);
@@ -1815,29 +2241,29 @@ public class StellarParser extends Parser {
 			_ctx = _localctx;
 			_prevctx = _localctx;
 
-			setState(241);
+			setState(282);
 			arithmetic_operands();
 			}
 			_ctx.stop = _input.LT(-1);
-			setState(251);
+			setState(292);
 			_errHandler.sync(this);
-			_alt = getInterpreter().adaptivePredict(_input,19,_ctx);
+			_alt = getInterpreter().adaptivePredict(_input,22,_ctx);
 			while ( _alt!=2 && _alt!=org.antlr.v4.runtime.atn.ATN.INVALID_ALT_NUMBER ) {
 				if ( _alt==1 ) {
 					if ( _parseListeners!=null ) triggerExitRuleEvent();
 					_prevctx = _localctx;
 					{
-					setState(249);
-					switch ( getInterpreter().adaptivePredict(_input,18,_ctx) ) {
+					setState(290);
+					switch ( getInterpreter().adaptivePredict(_input,21,_ctx) ) {
 					case 1:
 						{
 						_localctx = new ArithExpr_mulContext(new Arithmetic_expr_mulContext(_parentctx, _parentState));
 						pushNewRecursionContext(_localctx, _startState, RULE_arithmetic_expr_mul);
-						setState(243);
+						setState(284);
 						if (!(precpred(_ctx, 2))) throw new FailedPredicateException(this, "precpred(_ctx, 2)");
-						setState(244);
+						setState(285);
 						match(MUL);
-						setState(245);
+						setState(286);
 						arithmetic_expr_mul(3);
 						}
 						break;
@@ -1845,20 +2271,20 @@ public class StellarParser extends Parser {
 						{
 						_localctx = new ArithExpr_divContext(new Arithmetic_expr_mulContext(_parentctx, _parentState));
 						pushNewRecursionContext(_localctx, _startState, RULE_arithmetic_expr_mul);
-						setState(246);
+						setState(287);
 						if (!(precpred(_ctx, 1))) throw new FailedPredicateException(this, "precpred(_ctx, 1)");
-						setState(247);
+						setState(288);
 						match(DIV);
-						setState(248);
+						setState(289);
 						arithmetic_expr_mul(2);
 						}
 						break;
 					}
 					} 
 				}
-				setState(253);
+				setState(294);
 				_errHandler.sync(this);
-				_alt = getInterpreter().adaptivePredict(_input,19,_ctx);
+				_alt = getInterpreter().adaptivePredict(_input,22,_ctx);
 			}
 			}
 		}
@@ -1902,14 +2328,14 @@ public class StellarParser extends Parser {
 
 	public final FunctionsContext functions() throws RecognitionException {
 		FunctionsContext _localctx = new FunctionsContext(_ctx, getState());
-		enterRule(_localctx, 38, RULE_functions);
+		enterRule(_localctx, 44, RULE_functions);
 		try {
 			_localctx = new TransformationFuncContext(_localctx);
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(254);
+			setState(295);
 			match(IDENTIFIER);
-			setState(255);
+			setState(296);
 			func_args();
 			}
 		}
@@ -2056,15 +2482,15 @@ public class StellarParser extends Parser {
 
 	public final Arithmetic_operandsContext arithmetic_operands() throws RecognitionException {
 		Arithmetic_operandsContext _localctx = new Arithmetic_operandsContext(_ctx, getState());
-		enterRule(_localctx, 40, RULE_arithmetic_operands);
+		enterRule(_localctx, 46, RULE_arithmetic_operands);
 		try {
-			setState(272);
-			switch ( getInterpreter().adaptivePredict(_input,20,_ctx) ) {
+			setState(313);
+			switch ( getInterpreter().adaptivePredict(_input,23,_ctx) ) {
 			case 1:
 				_localctx = new NumericFunctionsContext(_localctx);
 				enterOuterAlt(_localctx, 1);
 				{
-				setState(257);
+				setState(298);
 				functions();
 				}
 				break;
@@ -2072,7 +2498,7 @@ public class StellarParser extends Parser {
 				_localctx = new DoubleLiteralContext(_localctx);
 				enterOuterAlt(_localctx, 2);
 				{
-				setState(258);
+				setState(299);
 				match(DOUBLE_LITERAL);
 				}
 				break;
@@ -2080,7 +2506,7 @@ public class StellarParser extends Parser {
 				_localctx = new IntLiteralContext(_localctx);
 				enterOuterAlt(_localctx, 3);
 				{
-				setState(259);
+				setState(300);
 				match(INT_LITERAL);
 				}
 				break;
@@ -2088,7 +2514,7 @@ public class StellarParser extends Parser {
 				_localctx = new LongLiteralContext(_localctx);
 				enterOuterAlt(_localctx, 4);
 				{
-				setState(260);
+				setState(301);
 				match(LONG_LITERAL);
 				}
 				break;
@@ -2096,7 +2522,7 @@ public class StellarParser extends Parser {
 				_localctx = new FloatLiteralContext(_localctx);
 				enterOuterAlt(_localctx, 5);
 				{
-				setState(261);
+				setState(302);
 				match(FLOAT_LITERAL);
 				}
 				break;
@@ -2104,7 +2530,7 @@ public class StellarParser extends Parser {
 				_localctx = new VariableContext(_localctx);
 				enterOuterAlt(_localctx, 6);
 				{
-				setState(262);
+				setState(303);
 				match(IDENTIFIER);
 				}
 				break;
@@ -2112,7 +2538,7 @@ public class StellarParser extends Parser {
 				_localctx = new NaNArithContext(_localctx);
 				enterOuterAlt(_localctx, 7);
 				{
-				setState(263);
+				setState(304);
 				match(NAN);
 				}
 				break;
@@ -2120,11 +2546,11 @@ public class StellarParser extends Parser {
 				_localctx = new ParenArithContext(_localctx);
 				enterOuterAlt(_localctx, 8);
 				{
-				setState(264);
+				setState(305);
 				match(LPAREN);
-				setState(265);
+				setState(306);
 				arithmetic_expr(0);
-				setState(266);
+				setState(307);
 				match(RPAREN);
 				}
 				break;
@@ -2132,11 +2558,11 @@ public class StellarParser extends Parser {
 				_localctx = new CondExprContext(_localctx);
 				enterOuterAlt(_localctx, 9);
 				{
-				setState(268);
+				setState(309);
 				match(LPAREN);
-				setState(269);
+				setState(310);
 				conditional_expr();
-				setState(270);
+				setState(311);
 				match(RPAREN);
 				}
 				break;
@@ -2319,16 +2745,16 @@ public class StellarParser extends Parser {
 
 	public final Identifier_operandContext identifier_operand() throws RecognitionException {
 		Identifier_operandContext _localctx = new Identifier_operandContext(_ctx, getState());
-		enterRule(_localctx, 42, RULE_identifier_operand);
+		enterRule(_localctx, 48, RULE_identifier_operand);
 		int _la;
 		try {
-			setState(291);
-			switch ( getInterpreter().adaptivePredict(_input,21,_ctx) ) {
+			setState(332);
+			switch ( getInterpreter().adaptivePredict(_input,24,_ctx) ) {
 			case 1:
 				_localctx = new LogicalConstContext(_localctx);
 				enterOuterAlt(_localctx, 1);
 				{
-				setState(274);
+				setState(315);
 				_la = _input.LA(1);
 				if ( !(_la==TRUE || _la==FALSE) ) {
 				_errHandler.recoverInline(this);
@@ -2341,7 +2767,7 @@ public class StellarParser extends Parser {
 				_localctx = new LambdaWithArgsExprContext(_localctx);
 				enterOuterAlt(_localctx, 2);
 				{
-				setState(275);
+				setState(316);
 				lambda_with_args();
 				}
 				break;
@@ -2349,7 +2775,7 @@ public class StellarParser extends Parser {
 				_localctx = new LambdaWithoutArgsExprContext(_localctx);
 				enterOuterAlt(_localctx, 3);
 				{
-				setState(276);
+				setState(317);
 				lambda_without_args();
 				}
 				break;
@@ -2357,7 +2783,7 @@ public class StellarParser extends Parser {
 				_localctx = new ArithmeticOperandsContext(_localctx);
 				enterOuterAlt(_localctx, 4);
 				{
-				setState(277);
+				setState(318);
 				arithmetic_expr(0);
 				}
 				break;
@@ -2365,7 +2791,7 @@ public class StellarParser extends Parser {
 				_localctx = new StringLiteralContext(_localctx);
 				enterOuterAlt(_localctx, 5);
 				{
-				setState(278);
+				setState(319);
 				match(STRING_LITERAL);
 				}
 				break;
@@ -2373,7 +2799,7 @@ public class StellarParser extends Parser {
 				_localctx = new ListContext(_localctx);
 				enterOuterAlt(_localctx, 6);
 				{
-				setState(279);
+				setState(320);
 				list_entity();
 				}
 				break;
@@ -2381,7 +2807,7 @@ public class StellarParser extends Parser {
 				_localctx = new MapConstContext(_localctx);
 				enterOuterAlt(_localctx, 7);
 				{
-				setState(280);
+				setState(321);
 				map_entity();
 				}
 				break;
@@ -2389,7 +2815,7 @@ public class StellarParser extends Parser {
 				_localctx = new NullConstContext(_localctx);
 				enterOuterAlt(_localctx, 8);
 				{
-				setState(281);
+				setState(322);
 				match(NULL);
 				}
 				break;
@@ -2397,13 +2823,13 @@ public class StellarParser extends Parser {
 				_localctx = new ExistsFuncContext(_localctx);
 				enterOuterAlt(_localctx, 9);
 				{
-				setState(282);
+				setState(323);
 				match(EXISTS);
-				setState(283);
+				setState(324);
 				match(LPAREN);
-				setState(284);
+				setState(325);
 				match(IDENTIFIER);
-				setState(285);
+				setState(326);
 				match(RPAREN);
 				}
 				break;
@@ -2411,11 +2837,11 @@ public class StellarParser extends Parser {
 				_localctx = new CondExpr_parenContext(_localctx);
 				enterOuterAlt(_localctx, 10);
 				{
-				setState(286);
+				setState(327);
 				match(LPAREN);
-				setState(287);
+				setState(328);
 				conditional_expr();
-				setState(288);
+				setState(329);
 				match(RPAREN);
 				}
 				break;
@@ -2423,7 +2849,7 @@ public class StellarParser extends Parser {
 				_localctx = new FuncContext(_localctx);
 				enterOuterAlt(_localctx, 11);
 				{
-				setState(290);
+				setState(331);
 				functions();
 				}
 				break;
@@ -2466,12 +2892,12 @@ public class StellarParser extends Parser {
 
 	public final Default_operandContext default_operand() throws RecognitionException {
 		Default_operandContext _localctx = new Default_operandContext(_ctx, getState());
-		enterRule(_localctx, 44, RULE_default_operand);
+		enterRule(_localctx, 50, RULE_default_operand);
 		try {
 			_localctx = new DefaultContext(_localctx);
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(293);
+			setState(334);
 			match(DEFAULT);
 			}
 		}
@@ -2509,17 +2935,17 @@ public class StellarParser extends Parser {
 
 	public final Lambda_without_argsContext lambda_without_args() throws RecognitionException {
 		Lambda_without_argsContext _localctx = new Lambda_without_argsContext(_ctx, getState());
-		enterRule(_localctx, 46, RULE_lambda_without_args);
+		enterRule(_localctx, 52, RULE_lambda_without_args);
 		try {
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(295);
+			setState(336);
 			match(LPAREN);
-			setState(296);
+			setState(337);
 			match(RPAREN);
-			setState(297);
+			setState(338);
 			match(LAMBDA_OP);
-			setState(298);
+			setState(339);
 			transformation_expr();
 			}
 		}
@@ -2563,33 +2989,33 @@ public class StellarParser extends Parser {
 
 	public final Lambda_with_argsContext lambda_with_args() throws RecognitionException {
 		Lambda_with_argsContext _localctx = new Lambda_with_argsContext(_ctx, getState());
-		enterRule(_localctx, 48, RULE_lambda_with_args);
+		enterRule(_localctx, 54, RULE_lambda_with_args);
 		try {
-			setState(310);
+			setState(351);
 			switch (_input.LA(1)) {
 			case LPAREN:
 				enterOuterAlt(_localctx, 1);
 				{
-				setState(300);
+				setState(341);
 				match(LPAREN);
-				setState(301);
+				setState(342);
 				lambda_variables();
-				setState(302);
+				setState(343);
 				match(RPAREN);
-				setState(303);
+				setState(344);
 				match(LAMBDA_OP);
-				setState(304);
+				setState(345);
 				transformation_expr();
 				}
 				break;
 			case IDENTIFIER:
 				enterOuterAlt(_localctx, 2);
 				{
-				setState(306);
+				setState(347);
 				single_lambda_variable();
-				setState(307);
+				setState(348);
 				match(LAMBDA_OP);
-				setState(308);
+				setState(349);
 				transformation_expr();
 				}
 				break;
@@ -2635,26 +3061,26 @@ public class StellarParser extends Parser {
 
 	public final Lambda_variablesContext lambda_variables() throws RecognitionException {
 		Lambda_variablesContext _localctx = new Lambda_variablesContext(_ctx, getState());
-		enterRule(_localctx, 50, RULE_lambda_variables);
+		enterRule(_localctx, 56, RULE_lambda_variables);
 		int _la;
 		try {
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(312);
+			setState(353);
 			lambda_variable();
-			setState(317);
+			setState(358);
 			_errHandler.sync(this);
 			_la = _input.LA(1);
 			while (_la==COMMA) {
 				{
 				{
-				setState(313);
+				setState(354);
 				match(COMMA);
-				setState(314);
+				setState(355);
 				lambda_variable();
 				}
 				}
-				setState(319);
+				setState(360);
 				_errHandler.sync(this);
 				_la = _input.LA(1);
 			}
@@ -2691,11 +3117,11 @@ public class StellarParser extends Parser {
 
 	public final Single_lambda_variableContext single_lambda_variable() throws RecognitionException {
 		Single_lambda_variableContext _localctx = new Single_lambda_variableContext(_ctx, getState());
-		enterRule(_localctx, 52, RULE_single_lambda_variable);
+		enterRule(_localctx, 58, RULE_single_lambda_variable);
 		try {
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(320);
+			setState(361);
 			lambda_variable();
 			}
 		}
@@ -2728,11 +3154,11 @@ public class StellarParser extends Parser {
 
 	public final Lambda_variableContext lambda_variable() throws RecognitionException {
 		Lambda_variableContext _localctx = new Lambda_variableContext(_ctx, getState());
-		enterRule(_localctx, 54, RULE_lambda_variable);
+		enterRule(_localctx, 60, RULE_lambda_variable);
 		try {
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(322);
+			setState(363);
 			match(IDENTIFIER);
 			}
 		}
@@ -2784,26 +3210,26 @@ public class StellarParser extends Parser {
 
 	public final Match_exprContext match_expr() throws RecognitionException {
 		Match_exprContext _localctx = new Match_exprContext(_ctx, getState());
-		enterRule(_localctx, 56, RULE_match_expr);
+		enterRule(_localctx, 62, RULE_match_expr);
 		try {
 			_localctx = new MatchClausesContext(_localctx);
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(324);
+			setState(365);
 			match(MATCH);
-			setState(325);
+			setState(366);
 			match(LBRACE);
-			setState(326);
+			setState(367);
 			match_clauses();
-			setState(327);
+			setState(368);
 			match(COMMA);
-			setState(328);
+			setState(369);
 			match(DEFAULT);
-			setState(329);
+			setState(370);
 			match(MATCH_ACTION);
-			setState(330);
+			setState(371);
 			match_clause_action();
-			setState(331);
+			setState(372);
 			match(RBRACE);
 			}
 		}
@@ -2845,30 +3271,30 @@ public class StellarParser extends Parser {
 
 	public final Match_clausesContext match_clauses() throws RecognitionException {
 		Match_clausesContext _localctx = new Match_clausesContext(_ctx, getState());
-		enterRule(_localctx, 58, RULE_match_clauses);
+		enterRule(_localctx, 64, RULE_match_clauses);
 		try {
 			int _alt;
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(333);
+			setState(374);
 			match_clause();
-			setState(338);
+			setState(379);
 			_errHandler.sync(this);
-			_alt = getInterpreter().adaptivePredict(_input,24,_ctx);
+			_alt = getInterpreter().adaptivePredict(_input,27,_ctx);
 			while ( _alt!=2 && _alt!=org.antlr.v4.runtime.atn.ATN.INVALID_ALT_NUMBER ) {
 				if ( _alt==1 ) {
 					{
 					{
-					setState(334);
+					setState(375);
 					match(COMMA);
-					setState(335);
+					setState(376);
 					match_clause();
 					}
 					} 
 				}
-				setState(340);
+				setState(381);
 				_errHandler.sync(this);
-				_alt = getInterpreter().adaptivePredict(_input,24,_ctx);
+				_alt = getInterpreter().adaptivePredict(_input,27,_ctx);
 			}
 			}
 		}
@@ -2907,15 +3333,15 @@ public class StellarParser extends Parser {
 
 	public final Match_clauseContext match_clause() throws RecognitionException {
 		Match_clauseContext _localctx = new Match_clauseContext(_ctx, getState());
-		enterRule(_localctx, 60, RULE_match_clause);
+		enterRule(_localctx, 66, RULE_match_clause);
 		try {
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(341);
+			setState(382);
 			match_clause_check();
-			setState(342);
+			setState(383);
 			match(MATCH_ACTION);
-			setState(343);
+			setState(384);
 			match_clause_action();
 			}
 		}
@@ -2958,12 +3384,12 @@ public class StellarParser extends Parser {
 
 	public final Match_clause_actionContext match_clause_action() throws RecognitionException {
 		Match_clause_actionContext _localctx = new Match_clause_actionContext(_ctx, getState());
-		enterRule(_localctx, 62, RULE_match_clause_action);
+		enterRule(_localctx, 68, RULE_match_clause_action);
 		try {
 			_localctx = new MatchClauseActionContext(_localctx);
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(345);
+			setState(386);
 			transformation_expr();
 			}
 		}
@@ -3009,15 +3435,15 @@ public class StellarParser extends Parser {
 
 	public final Match_clause_checkContext match_clause_check() throws RecognitionException {
 		Match_clause_checkContext _localctx = new Match_clause_checkContext(_ctx, getState());
-		enterRule(_localctx, 64, RULE_match_clause_check);
+		enterRule(_localctx, 70, RULE_match_clause_check);
 		try {
-			setState(349);
-			switch ( getInterpreter().adaptivePredict(_input,25,_ctx) ) {
+			setState(390);
+			switch ( getInterpreter().adaptivePredict(_input,28,_ctx) ) {
 			case 1:
 				_localctx = new MatchClauseCheckExprContext(_localctx);
 				enterOuterAlt(_localctx, 1);
 				{
-				setState(347);
+				setState(388);
 				logical_expr();
 				}
 				break;
@@ -3025,7 +3451,7 @@ public class StellarParser extends Parser {
 				_localctx = new MatchClauseCheckExprContext(_localctx);
 				enterOuterAlt(_localctx, 2);
 				{
-				setState(348);
+				setState(389);
 				conditional_expr();
 				}
 				break;
@@ -3044,15 +3470,15 @@ public class StellarParser extends Parser {
 
 	public boolean sempred(RuleContext _localctx, int ruleIndex, int predIndex) {
 		switch (ruleIndex) {
-		case 9:
+		case 12:
 			return comparison_expr_sempred((Comparison_exprContext)_localctx, predIndex);
-		case 13:
+		case 16:
 			return op_list_sempred((Op_listContext)_localctx, predIndex);
-		case 15:
+		case 18:
 			return kv_list_sempred((Kv_listContext)_localctx, predIndex);
-		case 17:
+		case 20:
 			return arithmetic_expr_sempred((Arithmetic_exprContext)_localctx, predIndex);
-		case 18:
+		case 21:
 			return arithmetic_expr_mul_sempred((Arithmetic_expr_mulContext)_localctx, predIndex);
 		}
 		return true;
@@ -3104,128 +3530,144 @@ public class StellarParser extends Parser {
 	}
 
 	public static final String _serializedATN =
-		"\3\u0430\ud6d1\u8206\uad2d\u4417\uaef1\u8d80\uaadd\3\62\u0162\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"+
+		"\3\u0430\ud6d1\u8206\uad2d\u4417\uaef1\u8d80\uaadd\3:\u018b\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\4\24\t\24\4\25\t\25\4\26\t\26\4\27\t\27\4\30\t\30\4\31\t\31"+
 		"\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\"\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\3\3\5"+
-		"\3S\n\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\3\7\3"+
-		"\7\3\7\3\7\3\7\5\7h\n\7\3\b\3\b\3\b\3\b\3\b\3\b\3\b\3\b\3\b\5\bs\n\b\3"+
-		"\t\3\t\5\tw\n\t\3\n\3\n\3\n\3\n\3\n\3\n\3\n\3\n\5\n\u0081\n\n\3\13\3\13"+
-		"\3\13\3\13\3\13\3\13\3\13\3\13\3\13\3\13\3\13\5\13\u008e\n\13\3\13\3\13"+
-		"\3\13\3\13\7\13\u0094\n\13\f\13\16\13\u0097\13\13\3\f\3\f\3\r\3\r\3\16"+
-		"\3\16\3\16\3\16\3\16\3\16\5\16\u00a3\n\16\3\17\3\17\3\17\3\17\5\17\u00a9"+
-		"\n\17\3\17\3\17\3\17\3\17\3\17\3\17\3\17\3\17\3\17\7\17\u00b4\n\17\f\17"+
-		"\16\17\u00b7\13\17\3\20\3\20\3\20\3\20\3\20\3\20\5\20\u00bf\n\20\3\21"+
-		"\3\21\3\21\3\21\3\21\3\21\3\21\3\21\3\21\5\21\u00ca\n\21\3\21\3\21\3\21"+
-		"\3\21\3\21\3\21\3\21\3\21\3\21\3\21\3\21\3\21\7\21\u00d8\n\21\f\21\16"+
-		"\21\u00db\13\21\3\22\3\22\3\22\3\22\3\22\3\22\5\22\u00e3\n\22\3\23\3\23"+
-		"\3\23\3\23\3\23\3\23\3\23\3\23\3\23\7\23\u00ee\n\23\f\23\16\23\u00f1\13"+
-		"\23\3\24\3\24\3\24\3\24\3\24\3\24\3\24\3\24\3\24\7\24\u00fc\n\24\f\24"+
-		"\16\24\u00ff\13\24\3\25\3\25\3\25\3\26\3\26\3\26\3\26\3\26\3\26\3\26\3"+
-		"\26\3\26\3\26\3\26\3\26\3\26\3\26\3\26\5\26\u0113\n\26\3\27\3\27\3\27"+
-		"\3\27\3\27\3\27\3\27\3\27\3\27\3\27\3\27\3\27\3\27\3\27\3\27\3\27\3\27"+
-		"\5\27\u0126\n\27\3\30\3\30\3\31\3\31\3\31\3\31\3\31\3\32\3\32\3\32\3\32"+
-		"\3\32\3\32\3\32\3\32\3\32\3\32\5\32\u0139\n\32\3\33\3\33\3\33\7\33\u013e"+
-		"\n\33\f\33\16\33\u0141\13\33\3\34\3\34\3\35\3\35\3\36\3\36\3\36\3\36\3"+
-		"\36\3\36\3\36\3\36\3\36\3\37\3\37\3\37\7\37\u0153\n\37\f\37\16\37\u0156"+
-		"\13\37\3 \3 \3 \3 \3!\3!\3\"\3\"\5\"\u0160\n\"\3\"\2\7\24\34 $&#\2\4\6"+
-		"\b\n\f\16\20\22\24\26\30\32\34\36 \"$&(*,.\60\62\64\668:<>@B\2\4\3\2\16"+
-		"\23\3\2\f\r\u0174\2D\3\2\2\2\4R\3\2\2\2\6T\3\2\2\2\bV\3\2\2\2\nX\3\2\2"+
-		"\2\fg\3\2\2\2\16r\3\2\2\2\20v\3\2\2\2\22\u0080\3\2\2\2\24\u008d\3\2\2"+
-		"\2\26\u0098\3\2\2\2\30\u009a\3\2\2\2\32\u00a2\3\2\2\2\34\u00a8\3\2\2\2"+
-		"\36\u00be\3\2\2\2 \u00c9\3\2\2\2\"\u00e2\3\2\2\2$\u00e4\3\2\2\2&\u00f2"+
-		"\3\2\2\2(\u0100\3\2\2\2*\u0112\3\2\2\2,\u0125\3\2\2\2.\u0127\3\2\2\2\60"+
-		"\u0129\3\2\2\2\62\u0138\3\2\2\2\64\u013a\3\2\2\2\66\u0142\3\2\2\28\u0144"+
-		"\3\2\2\2:\u0146\3\2\2\2<\u014f\3\2\2\2>\u0157\3\2\2\2@\u015b\3\2\2\2B"+
-		"\u015f\3\2\2\2DE\5\4\3\2EF\7\2\2\3F\3\3\2\2\2GS\5\f\7\2HI\7&\2\2IJ\5\4"+
-		"\3\2JK\7\'\2\2KS\3\2\2\2LS\5$\23\2MS\5\26\f\2NS\5\24\13\2OS\5\16\b\2P"+
-		"S\5\22\n\2QS\5:\36\2RG\3\2\2\2RH\3\2\2\2RL\3\2\2\2RM\3\2\2\2RN\3\2\2\2"+
-		"RO\3\2\2\2RP\3\2\2\2RQ\3\2\2\2S\5\3\2\2\2TU\5\16\b\2U\7\3\2\2\2VW\5\4"+
-		"\3\2W\t\3\2\2\2XY\5\4\3\2Y\13\3\2\2\2Z[\5\6\4\2[\\\7\24\2\2\\]\5\b\5\2"+
-		"]^\7\25\2\2^_\5\n\6\2_h\3\2\2\2`a\7\26\2\2ab\5\6\4\2bc\7\27\2\2cd\5\b"+
-		"\5\2de\7\30\2\2ef\5\n\6\2fh\3\2\2\2gZ\3\2\2\2g`\3\2\2\2h\r\3\2\2\2ij\5"+
-		"\20\t\2jk\7\t\2\2kl\5\16\b\2ls\3\2\2\2mn\5\20\t\2no\7\n\2\2op\5\16\b\2"+
-		"ps\3\2\2\2qs\5\20\t\2ri\3\2\2\2rm\3\2\2\2rq\3\2\2\2s\17\3\2\2\2tw\5\24"+
-		"\13\2uw\5\22\n\2vt\3\2\2\2vu\3\2\2\2w\21\3\2\2\2xy\5,\27\2yz\7\3\2\2z"+
-		"{\5\20\t\2{\u0081\3\2\2\2|}\5,\27\2}~\7(\2\2~\177\5\20\t\2\177\u0081\3"+
-		"\2\2\2\u0080x\3\2\2\2\u0080|\3\2\2\2\u0081\23\3\2\2\2\u0082\u0083\b\13"+
-		"\1\2\u0083\u0084\7\13\2\2\u0084\u0085\7&\2\2\u0085\u0086\5\16\b\2\u0086"+
-		"\u0087\7\'\2\2\u0087\u008e\3\2\2\2\u0088\u0089\7&\2\2\u0089\u008a\5\16"+
-		"\b\2\u008a\u008b\7\'\2\2\u008b\u008e\3\2\2\2\u008c\u008e\5,\27\2\u008d"+
-		"\u0082\3\2\2\2\u008d\u0088\3\2\2\2\u008d\u008c\3\2\2\2\u008e\u0095\3\2"+
-		"\2\2\u008f\u0090\f\6\2\2\u0090\u0091\5\30\r\2\u0091\u0092\5\24\13\7\u0092"+
-		"\u0094\3\2\2\2\u0093\u008f\3\2\2\2\u0094\u0097\3\2\2\2\u0095\u0093\3\2"+
-		"\2\2\u0095\u0096\3\2\2\2\u0096\25\3\2\2\2\u0097\u0095\3\2\2\2\u0098\u0099"+
-		"\5,\27\2\u0099\27\3\2\2\2\u009a\u009b\t\2\2\2\u009b\31\3\2\2\2\u009c\u009d"+
-		"\7&\2\2\u009d\u009e\5\34\17\2\u009e\u009f\7\'\2\2\u009f\u00a3\3\2\2\2"+
-		"\u00a0\u00a1\7&\2\2\u00a1\u00a3\7\'\2\2\u00a2\u009c\3\2\2\2\u00a2\u00a0"+
-		"\3\2\2\2\u00a3\33\3\2\2\2\u00a4\u00a5\b\17\1\2\u00a5\u00a9\5,\27\2\u00a6"+
-		"\u00a9\5\f\7\2\u00a7\u00a9\5\24\13\2\u00a8\u00a4\3\2\2\2\u00a8\u00a6\3"+
-		"\2\2\2\u00a8\u00a7\3\2\2\2\u00a9\u00b5\3\2\2\2\u00aa\u00ab\f\7\2\2\u00ab"+
-		"\u00ac\7\7\2\2\u00ac\u00b4\5,\27\2\u00ad\u00ae\f\5\2\2\u00ae\u00af\7\7"+
-		"\2\2\u00af\u00b4\5\f\7\2\u00b0\u00b1\f\3\2\2\u00b1\u00b2\7\7\2\2\u00b2"+
-		"\u00b4\5\24\13\2\u00b3\u00aa\3\2\2\2\u00b3\u00ad\3\2\2\2\u00b3\u00b0\3"+
-		"\2\2\2\u00b4\u00b7\3\2\2\2\u00b5\u00b3\3\2\2\2\u00b5\u00b6\3\2\2\2\u00b6"+
-		"\35\3\2\2\2\u00b7\u00b5\3\2\2\2\u00b8\u00b9\7$\2\2\u00b9\u00bf\7%\2\2"+
-		"\u00ba\u00bb\7$\2\2\u00bb\u00bc\5\34\17\2\u00bc\u00bd\7%\2\2\u00bd\u00bf"+
-		"\3\2\2\2\u00be\u00b8\3\2\2\2\u00be\u00ba\3\2\2\2\u00bf\37\3\2\2\2\u00c0"+
-		"\u00c1\b\21\1\2\u00c1\u00c2\5,\27\2\u00c2\u00c3\7\25\2\2\u00c3\u00c4\5"+
-		"\4\3\2\u00c4\u00ca\3\2\2\2\u00c5\u00c6\5\24\13\2\u00c6\u00c7\7\25\2\2"+
-		"\u00c7\u00c8\5\4\3\2\u00c8\u00ca\3\2\2\2\u00c9\u00c0\3\2\2\2\u00c9\u00c5"+
-		"\3\2\2\2\u00ca\u00d9\3\2\2\2\u00cb\u00cc\f\4\2\2\u00cc\u00cd\7\7\2\2\u00cd"+
-		"\u00ce\5,\27\2\u00ce\u00cf\7\25\2\2\u00cf\u00d0\5\4\3\2\u00d0\u00d8\3"+
-		"\2\2\2\u00d1\u00d2\f\3\2\2\u00d2\u00d3\7\7\2\2\u00d3\u00d4\5\24\13\2\u00d4"+
-		"\u00d5\7\25\2\2\u00d5\u00d6\5\4\3\2\u00d6\u00d8\3\2\2\2\u00d7\u00cb\3"+
-		"\2\2\2\u00d7\u00d1\3\2\2\2\u00d8\u00db\3\2\2\2\u00d9\u00d7\3\2\2\2\u00d9"+
-		"\u00da\3\2\2\2\u00da!\3\2\2\2\u00db\u00d9\3\2\2\2\u00dc\u00dd\7\"\2\2"+
-		"\u00dd\u00de\5 \21\2\u00de\u00df\7#\2\2\u00df\u00e3\3\2\2\2\u00e0\u00e1"+
-		"\7\"\2\2\u00e1\u00e3\7#\2\2\u00e2\u00dc\3\2\2\2\u00e2\u00e0\3\2\2\2\u00e3"+
-		"#\3\2\2\2\u00e4\u00e5\b\23\1\2\u00e5\u00e6\5&\24\2\u00e6\u00ef\3\2\2\2"+
-		"\u00e7\u00e8\f\4\2\2\u00e8\u00e9\7\37\2\2\u00e9\u00ee\5&\24\2\u00ea\u00eb"+
-		"\f\3\2\2\u00eb\u00ec\7\36\2\2\u00ec\u00ee\5&\24\2\u00ed\u00e7\3\2\2\2"+
-		"\u00ed\u00ea\3\2\2\2\u00ee\u00f1\3\2\2\2\u00ef\u00ed\3\2\2\2\u00ef\u00f0"+
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+		"\u0100\3\2\2\2\u0102\u0103\3\2\2\2\u0103\'\3\2\2\2\u0104\u0102\3\2\2\2"+
+		"\u0105\u0106\7*\2\2\u0106\u0107\5&\24\2\u0107\u0108\7+\2\2\u0108\u010c"+
+		"\3\2\2\2\u0109\u010a\7*\2\2\u010a\u010c\7+\2\2\u010b\u0105\3\2\2\2\u010b"+
+		"\u0109\3\2\2\2\u010c)\3\2\2\2\u010d\u010e\b\26\1\2\u010e\u010f\5,\27\2"+
+		"\u010f\u0118\3\2\2\2\u0110\u0111\f\4\2\2\u0111\u0112\7&\2\2\u0112\u0117"+
+		"\5,\27\2\u0113\u0114\f\3\2\2\u0114\u0115\7$\2\2\u0115\u0117\5,\27\2\u0116"+
+		"\u0110\3\2\2\2\u0116\u0113\3\2\2\2\u0117\u011a\3\2\2\2\u0118\u0116\3\2"+
+		"\2\2\u0118\u0119\3\2\2\2\u0119+\3\2\2\2\u011a\u0118\3\2\2\2\u011b\u011c"+
+		"\b\27\1\2\u011c\u011d\5\60\31\2\u011d\u0126\3\2\2\2\u011e\u011f\f\4\2"+
+		"\2\u011f\u0120\7)\2\2\u0120\u0125\5,\27\5\u0121\u0122\f\3\2\2\u0122\u0123"+
+		"\7(\2\2\u0123\u0125\5,\27\4\u0124\u011e\3\2\2\2\u0124\u0121\3\2\2\2\u0125"+
+		"\u0128\3\2\2\2\u0126\u0124\3\2\2\2\u0126\u0127\3\2\2\2\u0127-\3\2\2\2"+
+		"\u0128\u0126\3\2\2\2\u0129\u012a\7\67\2\2\u012a\u012b\5 \21\2\u012b/\3"+
+		"\2\2\2\u012c\u013c\5.\30\2\u012d\u013c\7\64\2\2\u012e\u013c\7\63\2\2\u012f"+
+		"\u013c\7\66\2\2\u0130\u013c\7\65\2\2\u0131\u013c\7\67\2\2\u0132\u013c"+
+		"\7 \2\2\u0133\u0134\7.\2\2\u0134\u0135\5*\26\2\u0135\u0136\7/\2\2\u0136"+
+		"\u013c\3\2\2\2\u0137\u0138\7.\2\2\u0138\u0139\5\22\n\2\u0139\u013a\7/"+
+		"\2\2\u013a\u013c\3\2\2\2\u013b\u012c\3\2\2\2\u013b\u012d\3\2\2\2\u013b"+
+		"\u012e\3\2\2\2\u013b\u012f\3\2\2\2\u013b\u0130\3\2\2\2\u013b\u0131\3\2"+
+		"\2\2\u013b\u0132\3\2\2\2\u013b\u0133\3\2\2\2\u013b\u0137\3\2\2\2\u013c"+
+		"\61\3\2\2\2\u013d\u014f\t\3\2\2\u013e\u014f\58\35\2\u013f\u014f\5\66\34"+
+		"\2\u0140\u014f\5*\26\2\u0141\u014f\78\2\2\u0142\u014f\5$\23\2\u0143\u014f"+
+		"\5(\25\2\u0144\u014f\7\37\2\2\u0145\u0146\7\61\2\2\u0146\u0147\7.\2\2"+
+		"\u0147\u0148\7\67\2\2\u0148\u014f\7/\2\2\u0149\u014a\7.\2\2\u014a\u014b"+
+		"\5\22\n\2\u014b\u014c\7/\2\2\u014c\u014f\3\2\2\2\u014d\u014f\5.\30\2\u014e"+
+		"\u013d\3\2\2\2\u014e\u013e\3\2\2\2\u014e\u013f\3\2\2\2\u014e\u0140\3\2"+
+		"\2\2\u014e\u0141\3\2\2\2\u014e\u0142\3\2\2\2\u014e\u0143\3\2\2\2\u014e"+
+		"\u0144\3\2\2\2\u014e\u0145\3\2\2\2\u014e\u0149\3\2\2\2\u014e\u014d\3\2"+
+		"\2\2\u014f\63\3\2\2\2\u0150\u0151\7\"\2\2\u0151\65\3\2\2\2\u0152\u0153"+
+		"\7.\2\2\u0153\u0154\7/\2\2\u0154\u0155\7\4\2\2\u0155\u0156\5\4\3\2\u0156"+
+		"\67\3\2\2\2\u0157\u0158\7.\2\2\u0158\u0159\5:\36\2\u0159\u015a\7/\2\2"+
+		"\u015a\u015b\7\4\2\2\u015b\u015c\5\4\3\2\u015c\u0162\3\2\2\2\u015d\u015e"+
+		"\5<\37\2\u015e\u015f\7\4\2\2\u015f\u0160\5\4\3\2\u0160\u0162\3\2\2\2\u0161"+
+		"\u0157\3\2\2\2\u0161\u015d\3\2\2\2\u01629\3\2\2\2\u0163\u0168\5> \2\u0164"+
+		"\u0165\7\7\2\2\u0165\u0167\5> \2\u0166\u0164\3\2\2\2\u0167\u016a\3\2\2"+
+		"\2\u0168\u0166\3\2\2\2\u0168\u0169\3\2\2\2\u0169;\3\2\2\2\u016a\u0168"+
+		"\3\2\2\2\u016b\u016c\5> \2\u016c=\3\2\2\2\u016d\u016e\7\67\2\2\u016e?"+
+		"\3\2\2\2\u016f\u0170\7!\2\2\u0170\u0171\7*\2\2\u0171\u0172\5B\"\2\u0172"+
+		"\u0173\7\7\2\2\u0173\u0174\7\"\2\2\u0174\u0175\7#\2\2\u0175\u0176\5F$"+
+		"\2\u0176\u0177\7+\2\2\u0177A\3\2\2\2\u0178\u017d\5D#\2\u0179\u017a\7\7"+
+		"\2\2\u017a\u017c\5D#\2\u017b\u0179\3\2\2\2\u017c\u017f\3\2\2\2\u017d\u017b"+
+		"\3\2\2\2\u017d\u017e\3\2\2\2\u017eC\3\2\2\2\u017f\u017d\3\2\2\2\u0180"+
+		"\u0181\5H%\2\u0181\u0182\7#\2\2\u0182\u0183\5F$\2\u0183E\3\2\2\2\u0184"+
+		"\u0185\5\4\3\2\u0185G\3\2\2\2\u0186\u0189\5\24\13\2\u0187\u0189\5\22\n"+
+		"\2\u0188\u0186\3\2\2\2\u0188\u0187\3\2\2\2\u0189I\3\2\2\2\37[ou{\u0090"+
+		"\u009b\u009f\u00a9\u00b6\u00be\u00cb\u00d1\u00dc\u00de\u00e7\u00f2\u0100"+
+		"\u0102\u010b\u0116\u0118\u0124\u0126\u013b\u014e\u0161\u0168\u017d\u0188";
 	public static final ATN _ATN =
 		new ATNDeserializer().deserialize(_serializedATN.toCharArray());
 	static {

http://git-wip-us.apache.org/repos/asf/metron/blob/3df94987/metron-stellar/stellar-common/src/main/java/org/apache/metron/stellar/common/utils/StellarProcessorUtils.java
----------------------------------------------------------------------
diff --git a/metron-stellar/stellar-common/src/main/java/org/apache/metron/stellar/common/utils/StellarProcessorUtils.java b/metron-stellar/stellar-common/src/main/java/org/apache/metron/stellar/common/utils/StellarProcessorUtils.java
index 51e7aaa..7a76071 100644
--- a/metron-stellar/stellar-common/src/main/java/org/apache/metron/stellar/common/utils/StellarProcessorUtils.java
+++ b/metron-stellar/stellar-common/src/main/java/org/apache/metron/stellar/common/utils/StellarProcessorUtils.java
@@ -96,6 +96,7 @@ public class StellarProcessorUtils {
               return variables.get(x);
             }
             ,x-> x.equals(MapVariableResolver.ALL_FIELDS) || variables.containsKey(x)
+            ,(x,y) -> variables.put(x,y)
     );
     return run(expression, varResolver, context);
   }