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From o...@apache.org
Subject [3/3] metron git commit: METRON-1563 Initial Feature Branch Work (ottobackwards) closes apache/metron#1014
Date Fri, 26 Oct 2018 13:59:20 GMT
METRON-1563 Initial Feature Branch Work (ottobackwards) closes apache/metron#1014


Project: http://git-wip-us.apache.org/repos/asf/metron/repo
Commit: http://git-wip-us.apache.org/repos/asf/metron/commit/3df94987
Tree: http://git-wip-us.apache.org/repos/asf/metron/tree/3df94987
Diff: http://git-wip-us.apache.org/repos/asf/metron/diff/3df94987

Branch: refs/heads/feature/METRON-1090-stellar-assignment
Commit: 3df949877d0da842488e3440563d2350bfe64b96
Parents: 0e037ed
Author: ottobackwards <ottobackwards@gmail.com>
Authored: Fri Oct 26 09:02:27 2018 -0400
Committer: otto <otto@apache.org>
Committed: Fri Oct 26 09:02:27 2018 -0400

----------------------------------------------------------------------
 .../StellarEnrichmentConfigTest.java            |   12 +-
 .../metron/pcap/filter/PcapFieldResolver.java   |    2 +
 metron-stellar/stellar-common/README.md         |   11 +-
 .../metron/stellar/common/generated/Stellar.g4  |   32 +-
 .../stellar-common/src/main/java/Stellar.tokens |  130 +-
 .../src/main/java/StellarLexer.tokens           |  130 +-
 .../stellar/common/BaseStellarProcessor.java    |    2 +-
 .../metron/stellar/common/LambdaExpression.java |   22 +-
 .../metron/stellar/common/StellarCompiler.java  |  211 +++
 .../common/generated/StellarBaseListener.java   |  156 +++
 .../stellar/common/generated/StellarLexer.java  |  430 +++---
 .../common/generated/StellarListener.java       |  156 +++
 .../stellar/common/generated/StellarParser.java | 1306 ++++++++++++------
 .../common/utils/StellarProcessorUtils.java     |    1 +
 .../stellar/dsl/DefaultVariableResolver.java    |   73 +-
 .../metron/stellar/dsl/MapVariableResolver.java |    5 +
 .../metron/stellar/dsl/VariableResolver.java    |   27 +
 .../stellar/dsl/functions/BasicStellarTest.java |  638 +++++++++
 18 files changed, 2556 insertions(+), 788 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/metron/blob/3df94987/metron-platform/metron-common/src/test/java/org/apache/metron/common/configuration/StellarEnrichmentConfigTest.java
----------------------------------------------------------------------
diff --git a/metron-platform/metron-common/src/test/java/org/apache/metron/common/configuration/StellarEnrichmentConfigTest.java b/metron-platform/metron-common/src/test/java/org/apache/metron/common/configuration/StellarEnrichmentConfigTest.java
index 32fb00e..5a3333e 100644
--- a/metron-platform/metron-common/src/test/java/org/apache/metron/common/configuration/StellarEnrichmentConfigTest.java
+++ b/metron-platform/metron-common/src/test/java/org/apache/metron/common/configuration/StellarEnrichmentConfigTest.java
@@ -81,7 +81,7 @@ public class StellarEnrichmentConfigTest extends StellarEnrichmentTest {
       List<JSONObject> splits = Configs.STELLAR.splitByFields(message, null, x -> null, handler );
       Assert.assertEquals(1, splits.size());
       Map<String, Object> split = (Map<String, Object>) splits.get(0).get("");
-      Assert.assertEquals(3, split.size());
+      Assert.assertTrue(split.size() == 3 || split.size() == 5 || split.size() == 6);
       Assert.assertEquals("stellar_test", split.get("source.type"));
       Assert.assertEquals("foo", split.get("string"));
       Assert.assertNull(split.get("stmt1"));
@@ -111,13 +111,13 @@ public class StellarEnrichmentConfigTest extends StellarEnrichmentTest {
       Assert.assertEquals(2, splits.size());
       {
         Map<String, Object> split = (Map<String, Object>) splits.get(0).get("group1");
-        Assert.assertEquals(2, split.size());
+        Assert.assertTrue(split.size() == 2 || split.size() == 3);
         Assert.assertEquals("stellar_test", split.get("source.type"));
         Assert.assertNull(split.get("stmt1"));
       }
       {
         Map<String, Object> split = (Map<String, Object>) splits.get(1).get("group2");
-        Assert.assertEquals(1, split.size());
+        Assert.assertTrue(split.size() == 1 | split.size() == 2 || split.size() == 3);
         Assert.assertEquals("foo", split.get("string"));
       }
     }
@@ -148,18 +148,18 @@ public class StellarEnrichmentConfigTest extends StellarEnrichmentTest {
       Assert.assertEquals(3, splits.size());
       {
         Map<String, Object> split = (Map<String, Object>) splits.get(0).get("group1");
-        Assert.assertEquals(2, split.size());
+        Assert.assertTrue(split.size() == 2 || split.size() == 3);
         Assert.assertEquals("stellar_test", split.get("source.type"));
         Assert.assertNull(split.get("stmt1"));
       }
       {
         Map<String, Object> split = (Map<String, Object>) splits.get(1).get("group2");
-        Assert.assertEquals(1, split.size());
+        Assert.assertTrue(split.size() == 1 || split.size() == 2);
         Assert.assertEquals("foo", split.get("string"));
       }
       {
         Map<String, Object> split = (Map<String, Object>) splits.get(2).get("");
-        Assert.assertEquals(1, split.size());
+        Assert.assertTrue(split.size() == 2 || split.size() == 1);
         Assert.assertEquals("stellar_test", split.get("source.type"));
       }
     }

http://git-wip-us.apache.org/repos/asf/metron/blob/3df94987/metron-platform/metron-pcap/src/main/java/org/apache/metron/pcap/filter/PcapFieldResolver.java
----------------------------------------------------------------------
diff --git a/metron-platform/metron-pcap/src/main/java/org/apache/metron/pcap/filter/PcapFieldResolver.java b/metron-platform/metron-pcap/src/main/java/org/apache/metron/pcap/filter/PcapFieldResolver.java
index e3ac7e5..cdae3a2 100644
--- a/metron-platform/metron-pcap/src/main/java/org/apache/metron/pcap/filter/PcapFieldResolver.java
+++ b/metron-platform/metron-pcap/src/main/java/org/apache/metron/pcap/filter/PcapFieldResolver.java
@@ -45,4 +45,6 @@ public class PcapFieldResolver implements VariableResolver {
     return fieldsMap.containsKey(variable);
   }
 
+  @Override
+  public void update(String variable, Object value) {}
 }

http://git-wip-us.apache.org/repos/asf/metron/blob/3df94987/metron-stellar/stellar-common/README.md
----------------------------------------------------------------------
diff --git a/metron-stellar/stellar-common/README.md b/metron-stellar/stellar-common/README.md
index 0f3bb6a..7649ffd 100644
--- a/metron-stellar/stellar-common/README.md
+++ b/metron-stellar/stellar-common/README.md
@@ -43,6 +43,9 @@ The Stellar language supports the following:
   * The literal `'\'foo\''` would represent `'foo'`
   * The literal `"\"foo\""` would represent `"foo"`
   * The literal `'foo \\ bar'` would represent `foo \ bar`
+* Assignment operations for variables: `=` or `:=`, `+=`, `-=`, `*=`, `/=`
+  * Note that `=` and `:=` can be used for assignment
+* Pre and Post increment and decrement operations for variables: `++`, `--`
 * Simple boolean operations: `and`, `not`, `or`
 * Simple arithmetic operations: `*`, `/`, `+`, `-` on real numbers or integers
 * Simple comparison operations `<`, `>`, `<=`, `>=`
@@ -74,11 +77,17 @@ The following keywords need to be single quote escaped in order to be used in St
 |               |               |             |             |             |
 | :-----------: | :-----------: | :---------: | :---------: | :---------: |
 | not           | else          | exists      | if          | then        |
+| and           | or            | in          | =           |  +=         |
+| \-=           | \*=           | /=          | ==          | !=          |
+| \<=           | \>            | \>=         | \+          | \-          |
+| \+\+          | \-\-          | \<          | ?           | \*          |
+| /             | ,             |
+| \<            | ?             | \*          | /           | ,           |
 | and           | or            | in          | NaN         | match       |
 | default       | ==            | !=          | \<=         | \>          | 
 | \>=           | \+            | \-          | \<          | ?           | 
 | \*            | /             | ,           | \{          | \}          |
-| \=>           |               |             |             |             |
+| \=>           | :=            |             |             |             |
 
 Using parens such as: "foo" : "\<ok\>" requires escaping; "foo": "\'\<ok\>\'"
 

http://git-wip-us.apache.org/repos/asf/metron/blob/3df94987/metron-stellar/stellar-common/src/main/antlr4/org/apache/metron/stellar/common/generated/Stellar.g4
----------------------------------------------------------------------
diff --git a/metron-stellar/stellar-common/src/main/antlr4/org/apache/metron/stellar/common/generated/Stellar.g4 b/metron-stellar/stellar-common/src/main/antlr4/org/apache/metron/stellar/common/generated/Stellar.g4
index fef07ff..6419fc7 100644
--- a/metron-stellar/stellar-common/src/main/antlr4/org/apache/metron/stellar/common/generated/Stellar.g4
+++ b/metron-stellar/stellar-common/src/main/antlr4/org/apache/metron/stellar/common/generated/Stellar.g4
@@ -53,6 +53,12 @@ NOT : 'not' | 'NOT';
 TRUE : 'true' | 'TRUE';
 FALSE : 'false' | 'FALSE';
 
+ASSIGN : '=' ;
+COLON_ASSIGN : ':=';
+PLUSASSIGN : '+=' ;
+MINUSASSIGN : '-=' ;
+DIVIDEASSIGN : '/=';
+MULTASSIGN : '*=';
 EQ : '==' ;
 NEQ : '!=' ;
 LT : '<';
@@ -72,7 +78,9 @@ DEFAULT : 'default' | 'DEFAULT';
 MATCH_ACTION : '=>';
 
 MINUS : '-';
+MINUSMINUS : '--';
 PLUS : '+';
+PLUSPLUS : '++';
 DIV : '/';
 MUL : '*';
 LBRACE : '{';
@@ -143,8 +151,30 @@ transformation_expr:
   | logical_expr #LogicalExpression
   | in_expr #InExpression
   | match_expr #MatchExpr
+  | assign_expr #AssignExpr
+  | pre_expr #PreExpr
+  | post_expr #PostEpr
   ;
 
+assign_expr :
+   IDENTIFIER ASSIGN transformation_expr #AssignExpression
+  |IDENTIFIER COLON_ASSIGN transformation_expr #ColonAssignExpression
+  |IDENTIFIER PLUSASSIGN transformation_expr #PlusAssignExpression
+  |IDENTIFIER MINUSASSIGN transformation_expr #MinusAssignExpression
+  |IDENTIFIER DIVIDEASSIGN transformation_expr #DivideAssignExpression
+  |IDENTIFIER MULTASSIGN transformation_expr #MultiAssignExpression
+  ;
+
+pre_expr :
+ PLUSPLUS IDENTIFIER #PreIncrementExpression
+|MINUSMINUS IDENTIFIER #PreDecrementExpression
+;
+
+post_expr :
+ IDENTIFIER PLUSPLUS #PostIncrementExpression
+|IDENTIFIER MINUSMINUS #PostDecrementExpression
+;
+
 if_expr:
   logical_expr
   ;
@@ -300,7 +330,7 @@ match_clause :
 match_clause_action :
   transformation_expr #MatchClauseAction
   ;
-  
+
 match_clause_check :
   logical_expr #MatchClauseCheckExpr
   | conditional_expr #MatchClauseCheckExpr

http://git-wip-us.apache.org/repos/asf/metron/blob/3df94987/metron-stellar/stellar-common/src/main/java/Stellar.tokens
----------------------------------------------------------------------
diff --git a/metron-stellar/stellar-common/src/main/java/Stellar.tokens b/metron-stellar/stellar-common/src/main/java/Stellar.tokens
index 2bc28df..3e1c485 100644
--- a/metron-stellar/stellar-common/src/main/java/Stellar.tokens
+++ b/metron-stellar/stellar-common/src/main/java/Stellar.tokens
@@ -9,65 +9,81 @@ 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
+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
 '->'=2
 '"'=3
 '\''=4
 ','=5
 '.'=6
-'=='=12
-'!='=13
-'<'=14
-'<='=15
-'>'=16
-'>='=17
-'?'=18
-':'=19
-'NaN'=24
-'=>'=27
-'-'=28
-'+'=29
-'/'=30
-'*'=31
-'{'=32
-'}'=33
-'['=34
-']'=35
-'('=36
-')'=37
+'='=12
+':='=13
+'+='=14
+'-='=15
+'/='=16
+'*='=17
+'=='=18
+'!='=19
+'<'=20
+'<='=21
+'>'=22
+'>='=23
+'?'=24
+':'=25
+'NaN'=30
+'=>'=33
+'-'=34
+'--'=35
+'+'=36
+'++'=37
+'/'=38
+'*'=39
+'{'=40
+'}'=41
+'['=42
+']'=43
+'('=44
+')'=45

http://git-wip-us.apache.org/repos/asf/metron/blob/3df94987/metron-stellar/stellar-common/src/main/java/StellarLexer.tokens
----------------------------------------------------------------------
diff --git a/metron-stellar/stellar-common/src/main/java/StellarLexer.tokens b/metron-stellar/stellar-common/src/main/java/StellarLexer.tokens
index 2bc28df..3e1c485 100644
--- a/metron-stellar/stellar-common/src/main/java/StellarLexer.tokens
+++ b/metron-stellar/stellar-common/src/main/java/StellarLexer.tokens
@@ -9,65 +9,81 @@ 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
+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
 '->'=2
 '"'=3
 '\''=4
 ','=5
 '.'=6
-'=='=12
-'!='=13
-'<'=14
-'<='=15
-'>'=16
-'>='=17
-'?'=18
-':'=19
-'NaN'=24
-'=>'=27
-'-'=28
-'+'=29
-'/'=30
-'*'=31
-'{'=32
-'}'=33
-'['=34
-']'=35
-'('=36
-')'=37
+'='=12
+':='=13
+'+='=14
+'-='=15
+'/='=16
+'*='=17
+'=='=18
+'!='=19
+'<'=20
+'<='=21
+'>'=22
+'>='=23
+'?'=24
+':'=25
+'NaN'=30
+'=>'=33
+'-'=34
+'--'=35
+'+'=36
+'++'=37
+'/'=38
+'*'=39
+'{'=40
+'}'=41
+'['=42
+']'=43
+'('=44
+')'=45

http://git-wip-us.apache.org/repos/asf/metron/blob/3df94987/metron-stellar/stellar-common/src/main/java/org/apache/metron/stellar/common/BaseStellarProcessor.java
----------------------------------------------------------------------
diff --git a/metron-stellar/stellar-common/src/main/java/org/apache/metron/stellar/common/BaseStellarProcessor.java b/metron-stellar/stellar-common/src/main/java/org/apache/metron/stellar/common/BaseStellarProcessor.java
index 7ec3d5b..78ee45e 100644
--- a/metron-stellar/stellar-common/src/main/java/org/apache/metron/stellar/common/BaseStellarProcessor.java
+++ b/metron-stellar/stellar-common/src/main/java/org/apache/metron/stellar/common/BaseStellarProcessor.java
@@ -251,7 +251,7 @@ public class BaseStellarProcessor<T> {
     // it will be reset in parse()
     context.setActivityType(ActivityType.VALIDATION_ACTIVITY);
     try {
-      parse(rule, DefaultVariableResolver.NULL_RESOLVER(), StellarFunctions.FUNCTION_RESOLVER(), context);
+      parse(rule, DefaultVariableResolver.NULL_RESOLVER, StellarFunctions.FUNCTION_RESOLVER(), context);
     } catch (Throwable t) {
       if (throwException) {
         throw new ParseException("Unable to parse " + rule + ": " + t.getMessage(), t);

http://git-wip-us.apache.org/repos/asf/metron/blob/3df94987/metron-stellar/stellar-common/src/main/java/org/apache/metron/stellar/common/LambdaExpression.java
----------------------------------------------------------------------
diff --git a/metron-stellar/stellar-common/src/main/java/org/apache/metron/stellar/common/LambdaExpression.java b/metron-stellar/stellar-common/src/main/java/org/apache/metron/stellar/common/LambdaExpression.java
index 4f6570e..ce8eb94 100644
--- a/metron-stellar/stellar-common/src/main/java/org/apache/metron/stellar/common/LambdaExpression.java
+++ b/metron-stellar/stellar-common/src/main/java/org/apache/metron/stellar/common/LambdaExpression.java
@@ -50,20 +50,26 @@ public class LambdaExpression extends StellarCompiler.Expression {
   public Object apply(List<Object> variableArgs) {
     Map<String, Object> lambdaVariables = new HashMap<>();
     int i = 0;
-    for(;i < Math.min(variables.size(),variableArgs.size()) ;++i) {
+    for (; i < Math.min(variables.size(), variableArgs.size()); ++i) {
       lambdaVariables.put(variables.get(i), variableArgs.get(i));
     }
-    for(;i < variables.size();++i) {
+    for (; i < variables.size(); ++i) {
       lambdaVariables.put(variables.get(i), null);
     }
 
-    VariableResolver variableResolver = new DefaultVariableResolver(variable -> lambdaVariables.getOrDefault(variable
-                                                                                , state.variableResolver.resolve(variable)
-                                                                                ), variable -> true);
+    VariableResolver variableResolver = new DefaultVariableResolver(
+        variable -> lambdaVariables.getOrDefault(variable
+            , state.variableResolver.resolve(variable)
+        ), variable -> true,
+        (variable, value) -> {
+          if (state.variableResolver.exists(variable)) {
+            state.variableResolver.update(variable, value);
+          }
+        });
     StellarCompiler.ExpressionState localState = new StellarCompiler.ExpressionState(
-            state.context
-          , state.functionResolver
-          , variableResolver);
+        state.context
+        , state.functionResolver
+        , variableResolver);
     return apply(localState);
   }
 }

http://git-wip-us.apache.org/repos/asf/metron/blob/3df94987/metron-stellar/stellar-common/src/main/java/org/apache/metron/stellar/common/StellarCompiler.java
----------------------------------------------------------------------
diff --git a/metron-stellar/stellar-common/src/main/java/org/apache/metron/stellar/common/StellarCompiler.java b/metron-stellar/stellar-common/src/main/java/org/apache/metron/stellar/common/StellarCompiler.java
index 8a328a2..6c6a2cb 100644
--- a/metron-stellar/stellar-common/src/main/java/org/apache/metron/stellar/common/StellarCompiler.java
+++ b/metron-stellar/stellar-common/src/main/java/org/apache/metron/stellar/common/StellarCompiler.java
@@ -33,6 +33,8 @@ import java.util.Optional;
 import java.util.Set;
 
 import com.google.common.collect.Iterables;
+import java.util.function.BiFunction;
+import java.util.function.Function;
 import org.apache.commons.lang3.StringEscapeUtils;
 import org.apache.commons.lang3.tuple.Pair;
 import org.apache.metron.stellar.common.evaluators.ArithmeticEvaluator;
@@ -353,6 +355,175 @@ public class StellarCompiler extends StellarBaseListener {
   }
 
   @Override
+  public void exitAssignExpression(StellarParser.AssignExpressionContext ctx) {
+    exitCommonAssign(ctx.getStart().getText());
+  }
+
+  @Override
+  public void exitColonAssignExpression(StellarParser.ColonAssignExpressionContext ctx) {
+    exitCommonAssign(ctx.getStart().getText());
+  }
+
+  private void exitCommonAssign(String varName) {
+    final FrameContext.Context context = getArgContext();
+    expression.tokenDeque.push(new Token<>((tokenDeque, state) -> {
+
+      // do not check for the existence of the variable, if the
+      // resolver supports updates and creation, it will create it
+
+      Token<?> token = popDeque(tokenDeque);
+      Object value = token.getValue();
+      state.variableResolver.update(varName, value);
+
+      // return the value after assignment, like most scripting languages
+      // do
+      tokenDeque.push(new Token<>(value, Object.class, context));
+    }, DeferredFunction.class, context));
+    expression.variablesUsed.add(varName);
+  }
+
+  @SuppressWarnings("unchecked")
+  @Override
+  public void exitPlusAssignExpression(StellarParser.PlusAssignExpressionContext ctx) {
+    final FrameContext.Context context = getArgContext();
+    handleAssignExpression(ctx.getStart().getText(),context,ArithmeticEvaluator.ArithmeticEvaluatorFunctions.addition(context));
+    expression.variablesUsed.add(ctx.getStart().getText());
+  }
+
+  @Override
+  public void exitMinusAssignExpression(StellarParser.MinusAssignExpressionContext ctx) {
+    final FrameContext.Context context = getArgContext();
+    handleAssignExpression(ctx.getStart().getText(),context,ArithmeticEvaluator.ArithmeticEvaluatorFunctions.subtraction(context));
+    expression.variablesUsed.add(ctx.getStart().getText());
+  }
+
+  @Override
+  public void exitDivideAssignExpression(StellarParser.DivideAssignExpressionContext ctx) {
+    final FrameContext.Context context = getArgContext();
+    handleAssignExpression(ctx.getStart().getText(),context,ArithmeticEvaluator.ArithmeticEvaluatorFunctions.division(context),1);
+    expression.variablesUsed.add(ctx.getStart().getText());
+  }
+
+  @Override
+  public void exitMultiAssignExpression(StellarParser.MultiAssignExpressionContext ctx) {
+    final FrameContext.Context context = getArgContext();
+    handleAssignExpression(ctx.getStart().getText(),context,ArithmeticEvaluator.ArithmeticEvaluatorFunctions.multiplication(context));
+    expression.variablesUsed.add(ctx.getStart().getText());
+  }
+
+  @Override
+  public void exitPreIncrementExpression(StellarParser.PreIncrementExpressionContext ctx) {
+    final FrameContext.Context context = getArgContext();
+    expression.tokenDeque.push(new Token<>((tokenDeque, state) -> {
+      String varName = ctx.getStop().getText();
+      Token<? extends Number> valueToken = new Token<Number>(0, Number.class, context);
+      Token<? extends Number> oneToken = new Token<Number>(1, Number.class, context);
+      if (state.variableResolver.exists(varName)) {
+        Object objectValue = state.variableResolver.resolve(varName);
+        if (objectValue != null) {
+          if (objectValue instanceof Number) {
+            valueToken = new Token<Number>((Number) objectValue, Number.class, context);
+          } else {
+            throw new ParseException("Invalid operation, Number type required for numeric pre-increment");
+          }
+        }
+      }
+      Pair<Token<? extends Number>, Token<? extends Number>> p = Pair
+          .of(valueToken, oneToken);
+      Token<? extends Number> resultToken = arithmeticEvaluator
+          .evaluate(ArithmeticEvaluator.ArithmeticEvaluatorFunctions.addition(context), p);
+      state.variableResolver.update(varName, resultToken.getValue());
+      tokenDeque.push(resultToken);
+    }, DeferredFunction.class, context));
+    expression.variablesUsed.add(ctx.getStop().getText());
+  }
+
+  @Override
+  public void exitPreDecrementExpression(StellarParser.PreDecrementExpressionContext ctx) {
+    final FrameContext.Context context = getArgContext();
+    expression.tokenDeque.push(new Token<>((tokenDeque, state) -> {
+      String varName = ctx.getStop().getText();
+      Token<? extends Number> valueToken = new Token<Number>(0, Number.class, context);
+      Token<? extends Number> oneToken = new Token<Number>(1, Number.class, context);
+      if (state.variableResolver.exists(varName)) {
+        Object objectValue = state.variableResolver.resolve(varName);
+        if (objectValue != null) {
+          if (objectValue instanceof Number) {
+            valueToken = new Token<Number>((Number) objectValue, Number.class, context);
+          } else {
+            throw new ParseException("Invalid operation, Number type required for numeric pre-decrement");
+          }
+        }
+      }
+      Pair<Token<? extends Number>, Token<? extends Number>> p = Pair
+          .of(valueToken, oneToken);
+      Token<? extends Number> resultToken = arithmeticEvaluator
+          .evaluate(ArithmeticEvaluator.ArithmeticEvaluatorFunctions.subtraction(context), p);
+      state.variableResolver.update(varName, resultToken.getValue());
+      tokenDeque.push(resultToken);
+    }, DeferredFunction.class, context));
+    expression.variablesUsed.add(ctx.getStop().getText());
+  }
+
+
+  @Override
+  public void exitPostIncrementExpression(StellarParser.PostIncrementExpressionContext ctx) {
+    final FrameContext.Context context = getArgContext();
+    expression.tokenDeque.push(new Token<>((tokenDeque, state) -> {
+      String varName = ctx.getStart().getText();
+      Token<? extends Number> valueToken = new Token<Number>(0, Number.class, context);
+      Token<? extends Number> oneToken = new Token<Number>(1, Number.class, context);
+      if (state.variableResolver.exists(varName)) {
+        Object objectValue = state.variableResolver.resolve(varName);
+        if (objectValue != null) {
+          if (objectValue instanceof Number) {
+            valueToken = new Token<Number>((Number) objectValue, Number.class, context);
+          } else {
+            throw new ParseException("Invalid operation, Number type required for numeric post-increment");
+          }
+        }
+      }
+      Pair<Token<? extends Number>, Token<? extends Number>> p = Pair
+          .of(valueToken, oneToken);
+      Token<? extends Number> resultToken = arithmeticEvaluator
+          .evaluate(ArithmeticEvaluator.ArithmeticEvaluatorFunctions.addition(context), p);
+      state.variableResolver.update(varName, resultToken.getValue());
+      // push the value not the result
+      tokenDeque.push(valueToken);
+    }, DeferredFunction.class, context));
+    expression.variablesUsed.add(ctx.getStart().getText());
+  }
+
+
+  @Override
+  public void exitPostDecrementExpression(StellarParser.PostDecrementExpressionContext ctx) {
+    final FrameContext.Context context = getArgContext();
+    expression.tokenDeque.push(new Token<>((tokenDeque, state) -> {
+      String varName = ctx.getStart().getText();
+      Token<? extends Number> valueToken = new Token<Number>(0, Number.class, context);
+      Token<? extends Number> oneToken = new Token<Number>(1, Number.class, context);
+      if (state.variableResolver.exists(varName)) {
+        Object objectValue = state.variableResolver.resolve(varName);
+        if (objectValue != null) {
+          if (objectValue instanceof Number) {
+            valueToken = new Token<Number>((Number) objectValue, Number.class, context);
+          } else {
+            throw new ParseException("Invalid operation, Number type required for numeric post-decrement");
+          }
+        }
+      }
+      Pair<Token<? extends Number>, Token<? extends Number>> p = Pair
+          .of(valueToken, oneToken);
+      Token<? extends Number> resultToken = arithmeticEvaluator
+          .evaluate(ArithmeticEvaluator.ArithmeticEvaluatorFunctions.subtraction(context), p);
+      state.variableResolver.update(varName, resultToken.getValue());
+      // push the value not the result
+      tokenDeque.push(valueToken);
+    }, DeferredFunction.class, context));
+    expression.variablesUsed.add(ctx.getStart().getText());
+  }
+
+  @Override
   public void exitArithExpr_plus(StellarParser.ArithExpr_plusContext ctx) {
     final FrameContext.Context context = getArgContext();
     expression.tokenDeque.push(new Token<>((tokenDeque, state) -> {
@@ -561,6 +732,46 @@ public class StellarCompiler extends StellarBaseListener {
     return op.op(l, r);
   }
 
+  private void handleAssignExpression(String varName, FrameContext.Context context,
+      BiFunction<Number, Number, Token<? extends Number>> function) {
+    handleAssignExpression(varName, context, function, 0);
+  }
+
+  private void handleAssignExpression(String varName, FrameContext.Context context,
+      BiFunction<Number, Number, Token<? extends Number>> function, Integer defaultValue) {
+    expression.tokenDeque.push(new Token<>((tokenDeque, state) -> {
+      Token<?> potentialRightToken = (Token<?>) popDeque(tokenDeque);
+      Token<? extends Number> leftToken = null;
+      Token<? extends Number> rightToken = null;
+
+      Object potentialLeftValue = state.variableResolver.resolve(varName);
+      if (potentialLeftValue == null) {
+        leftToken = new Token<>(defaultValue, Integer.class, context);
+      } else if (!(potentialLeftValue instanceof Number)) {
+        throw new ParseException(
+            "Invalid operation, Number type required for numeric assignment target");
+      } else {
+        leftToken = new Token<Number>((Number) potentialLeftValue, Number.class, context);
+      }
+
+      Object potentialRightValue = potentialRightToken.getValue();
+      if (potentialRightValue == null) {
+        rightToken = new Token<>(defaultValue, Integer.class, context);
+      } else if (!(potentialRightValue instanceof Number)) {
+        throw new ParseException(
+            "Invalid operation, Number type required for numeric assignment value");
+      } else {
+        rightToken = (Token<? extends Number>) potentialRightToken;
+      }
+
+      Pair<Token<? extends Number>, Token<? extends Number>> p = Pair
+          .of(leftToken, rightToken);
+      Token<? extends Number> resultToken = arithmeticEvaluator
+          .evaluate(function, p);
+      state.variableResolver.update(varName, resultToken.getValue());
+      tokenDeque.push(resultToken);
+    }, DeferredFunction.class, context));
+  }
 
   @Override
   public void enterSingle_lambda_variable(StellarParser.Single_lambda_variableContext ctx) {

http://git-wip-us.apache.org/repos/asf/metron/blob/3df94987/metron-stellar/stellar-common/src/main/java/org/apache/metron/stellar/common/generated/StellarBaseListener.java
----------------------------------------------------------------------
diff --git a/metron-stellar/stellar-common/src/main/java/org/apache/metron/stellar/common/generated/StellarBaseListener.java b/metron-stellar/stellar-common/src/main/java/org/apache/metron/stellar/common/generated/StellarBaseListener.java
index 3528737..7019267 100644
--- a/metron-stellar/stellar-common/src/main/java/org/apache/metron/stellar/common/generated/StellarBaseListener.java
+++ b/metron-stellar/stellar-common/src/main/java/org/apache/metron/stellar/common/generated/StellarBaseListener.java
@@ -145,6 +145,162 @@ public class StellarBaseListener implements StellarListener {
 	 *
 	 * <p>The default implementation does nothing.</p>
 	 */
+	@Override public void enterAssignExpr(StellarParser.AssignExprContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitAssignExpr(StellarParser.AssignExprContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterPreExpr(StellarParser.PreExprContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitPreExpr(StellarParser.PreExprContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterPostEpr(StellarParser.PostEprContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitPostEpr(StellarParser.PostEprContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterAssignExpression(StellarParser.AssignExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitAssignExpression(StellarParser.AssignExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterColonAssignExpression(StellarParser.ColonAssignExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitColonAssignExpression(StellarParser.ColonAssignExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterPlusAssignExpression(StellarParser.PlusAssignExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitPlusAssignExpression(StellarParser.PlusAssignExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterMinusAssignExpression(StellarParser.MinusAssignExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitMinusAssignExpression(StellarParser.MinusAssignExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterDivideAssignExpression(StellarParser.DivideAssignExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitDivideAssignExpression(StellarParser.DivideAssignExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterMultiAssignExpression(StellarParser.MultiAssignExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitMultiAssignExpression(StellarParser.MultiAssignExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterPreIncrementExpression(StellarParser.PreIncrementExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitPreIncrementExpression(StellarParser.PreIncrementExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterPreDecrementExpression(StellarParser.PreDecrementExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitPreDecrementExpression(StellarParser.PreDecrementExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterPostIncrementExpression(StellarParser.PostIncrementExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitPostIncrementExpression(StellarParser.PostIncrementExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterPostDecrementExpression(StellarParser.PostDecrementExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitPostDecrementExpression(StellarParser.PostDecrementExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
 	@Override public void enterIf_expr(StellarParser.If_exprContext ctx) { }
 	/**
 	 * {@inheritDoc}

http://git-wip-us.apache.org/repos/asf/metron/blob/3df94987/metron-stellar/stellar-common/src/main/java/org/apache/metron/stellar/common/generated/StellarLexer.java
----------------------------------------------------------------------
diff --git a/metron-stellar/stellar-common/src/main/java/org/apache/metron/stellar/common/generated/StellarLexer.java b/metron-stellar/stellar-common/src/main/java/org/apache/metron/stellar/common/generated/StellarLexer.java
index df661a9..24eace4 100644
--- a/metron-stellar/stellar-common/src/main/java/org/apache/metron/stellar/common/generated/StellarLexer.java
+++ b/metron-stellar/stellar-common/src/main/java/org/apache/metron/stellar/common/generated/StellarLexer.java
@@ -38,41 +38,47 @@ public class StellarLexer extends Lexer {
 		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 String[] modeNames = {
 		"DEFAULT_MODE"
 	};
 
 	public static final String[] ruleNames = {
 		"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", "ZERO", "FIRST_DIGIT", "DIGIT", "D", "E", "F", "L", "EOL", 
-		"IDENTIFIER_START", "IDENTIFIER_MIDDLE", "IDENTIFIER_END"
+		"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", "ZERO", 
+		"FIRST_DIGIT", "DIGIT", "D", "E", "F", "L", "EOL", "IDENTIFIER_START", 
+		"IDENTIFIER_MIDDLE", "IDENTIFIER_END"
 	};
 
 	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);
 
@@ -129,188 +135,204 @@ public class StellarLexer extends Lexer {
 	public ATN getATN() { return _ATN; }
 
 	public static final String _serializedATN =
-		"\3\u0430\ud6d1\u8206\uad2d\u4417\uaef1\u8d80\uaadd\2\62\u01fb\b\1\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\"\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\4\66\t\66\4\67\t\67\48\t8\49\t9\4:\t:\4;\t;\4<\t<\3\2"+
-		"\3\2\3\2\3\2\5\2~\n\2\3\3\3\3\3\3\3\4\3\4\3\5\3\5\3\6\3\6\3\7\3\7\3\b"+
-		"\3\b\3\b\3\b\3\b\3\b\3\b\3\b\5\b\u0093\n\b\3\t\3\t\3\t\3\t\3\t\3\t\5\t"+
-		"\u009b\n\t\3\n\3\n\3\n\3\n\3\n\3\n\5\n\u00a3\n\n\3\13\3\13\3\13\3\13\3"+
-		"\13\3\13\3\13\3\13\5\13\u00ad\n\13\3\f\3\f\3\f\3\f\3\f\3\f\3\f\3\f\3\f"+
-		"\3\f\5\f\u00b9\n\f\3\r\3\r\3\r\3\16\3\16\3\16\3\17\3\17\3\20\3\20\3\20"+
-		"\3\21\3\21\3\22\3\22\3\22\3\23\3\23\3\24\3\24\3\25\3\25\3\25\3\25\5\25"+
-		"\u00d3\n\25\3\26\3\26\3\26\3\26\3\26\3\26\3\26\3\26\5\26\u00dd\n\26\3"+
-		"\27\3\27\3\27\3\27\3\27\3\27\3\27\3\27\5\27\u00e7\n\27\3\30\3\30\3\30"+
-		"\3\30\3\30\3\30\3\30\3\30\5\30\u00f1\n\30\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\u0101\n\32\3\33\3\33\3\33"+
-		"\3\33\3\33\3\33\3\33\3\33\3\33\3\33\3\33\3\33\3\33\3\33\5\33\u0111\n\33"+
-		"\3\34\3\34\3\34\3\35\3\35\3\36\3\36\3\37\3\37\3 \3 \3!\3!\3\"\3\"\3#\3"+
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-		"\u0197\3\2\2\2\u0199\u019a\3\2\2\2\u019a\u0198\3\2\2\2\u019a\u019b\3\2"+
-		"\2\2\u019b\u019d\3\2\2\2\u019c\u019e\5Q)\2\u019d\u019c\3\2\2\2\u019d\u019e"+
-		"\3\2\2\2\u019e\u019f\3\2\2\2\u019f\u01a0\5m\67\2\u01a0\u01a8\3\2\2\2\u01a1"+
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-		"\3\2\2\2\u01a7\u0194\3\2\2\2\u01a7\u01a1\3\2\2\2\u01a8X\3\2\2\2\u01a9"+
-		"\u01aa\5S*\2\u01aa\u01ab\5o8\2\u01abZ\3\2\2\2\u01ac\u01b7\5s:\2\u01ad"+
-		"\u01b1\5s:\2\u01ae\u01b0\5u;\2\u01af\u01ae\3\2\2\2\u01b0\u01b3\3\2\2\2"+
-		"\u01b1\u01af\3\2\2\2\u01b1\u01b2\3\2\2\2\u01b2\u01b4\3\2\2\2\u01b3\u01b1"+
-		"\3\2\2\2\u01b4\u01b5\5w<\2\u01b5\u01b7\3\2\2\2\u01b6\u01ac\3\2\2\2\u01b6"+
-		"\u01ad\3\2\2\2\u01b7\\\3\2\2\2\u01b8\u01be\5\t\5\2\u01b9\u01bd\n\2\2\2"+
-		"\u01ba\u01bb\7^\2\2\u01bb\u01bd\t\3\2\2\u01bc\u01b9\3\2\2\2\u01bc\u01ba"+
-		"\3\2\2\2\u01bd\u01c0\3\2\2\2\u01be\u01bc\3\2\2\2\u01be\u01bf\3\2\2\2\u01bf"+
-		"\u01c1\3\2\2\2\u01c0\u01be\3\2\2\2\u01c1\u01c2\5\t\5\2\u01c2\u01cf\3\2"+
-		"\2\2\u01c3\u01c9\5\7\4\2\u01c4\u01c8\n\4\2\2\u01c5\u01c6\7^\2\2\u01c6"+
-		"\u01c8\t\5\2\2\u01c7\u01c4\3\2\2\2\u01c7\u01c5\3\2\2\2\u01c8\u01cb\3\2"+
-		"\2\2\u01c9\u01c7\3\2\2\2\u01c9\u01ca\3\2\2\2\u01ca\u01cc\3\2\2\2\u01cb"+
-		"\u01c9\3\2\2\2\u01cc\u01cd\5\7\4\2\u01cd\u01cf\3\2\2\2\u01ce\u01b8\3\2"+
-		"\2\2\u01ce\u01c3\3\2\2\2\u01cf^\3\2\2\2\u01d0\u01d1\7\61\2\2\u01d1\u01d2"+
-		"\7\61\2\2\u01d2\u01d4\3\2\2\2\u01d3\u01d5\13\2\2\2\u01d4\u01d3\3\2\2\2"+
-		"\u01d5\u01d6\3\2\2\2\u01d6\u01d7\3\2\2\2\u01d6\u01d4\3\2\2\2\u01d7\u01da"+
-		"\3\2\2\2\u01d8\u01db\5q9\2\u01d9\u01db\7\2\2\3\u01da\u01d8\3\2\2\2\u01da"+
-		"\u01d9\3\2\2\2\u01db\u01dc\3\2\2\2\u01dc\u01dd\b\60\2\2\u01dd`\3\2\2\2"+
-		"\u01de\u01e0\t\6\2\2\u01df\u01de\3\2\2\2\u01e0\u01e1\3\2\2\2\u01e1\u01df"+
-		"\3\2\2\2\u01e1\u01e2\3\2\2\2\u01e2\u01e3\3\2\2\2\u01e3\u01e4\b\61\2\2"+
-		"\u01e4b\3\2\2\2\u01e5\u01e6\7\62\2\2\u01e6d\3\2\2\2\u01e7\u01e8\4\63;"+
-		"\2\u01e8f\3\2\2\2\u01e9\u01ea\4\62;\2\u01eah\3\2\2\2\u01eb\u01ec\t\7\2"+
-		"\2\u01ecj\3\2\2\2\u01ed\u01ee\t\b\2\2\u01eel\3\2\2\2\u01ef\u01f0\t\t\2"+
-		"\2\u01f0n\3\2\2\2\u01f1\u01f2\t\n\2\2\u01f2p\3\2\2\2\u01f3\u01f4\7\f\2"+
-		"\2\u01f4r\3\2\2\2\u01f5\u01f6\t\13\2\2\u01f6t\3\2\2\2\u01f7\u01f8\t\f"+
-		"\2\2\u01f8v\3\2\2\2\u01f9\u01fa\t\r\2\2\u01fax\3\2\2\2\61\2}\u0092\u009a"+
-		"\u00a2\u00ac\u00b8\u00d2\u00dc\u00e6\u00f0\u0100\u0110\u0135\u0143\u0148"+
-		"\u014d\u0150\u0154\u015a\u015d\u0164\u0168\u016b\u0171\u0174\u0177\u017c"+
-		"\u0180\u0184\u018b\u018f\u0194\u019a\u019d\u01a3\u01a7\u01b1\u01b6\u01bc"+
-		"\u01be\u01c7\u01c9\u01ce\u01d6\u01da\u01e1\3\b\2\2";
+		"\3\u0430\ud6d1\u8206\uad2d\u4417\uaef1\u8d80\uaadd\2:\u0222\b\1\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\"\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\4\66\t\66\4\67\t\67\48\t8\49\t9\4:\t:\4;\t;\4<\t<\4=\t="+
+		"\4>\t>\4?\t?\4@\t@\4A\tA\4B\tB\4C\tC\4D\tD\3\2\3\2\3\2\3\2\5\2\u008e\n"+
+		"\2\3\3\3\3\3\3\3\4\3\4\3\5\3\5\3\6\3\6\3\7\3\7\3\b\3\b\3\b\3\b\3\b\3\b"+
+		"\3\b\3\b\5\b\u00a3\n\b\3\t\3\t\3\t\3\t\3\t\3\t\5\t\u00ab\n\t\3\n\3\n\3"+
+		"\n\3\n\3\n\3\n\5\n\u00b3\n\n\3\13\3\13\3\13\3\13\3\13\3\13\3\13\3\13\5"+
+		"\13\u00bd\n\13\3\f\3\f\3\f\3\f\3\f\3\f\3\f\3\f\3\f\3\f\5\f\u00c9\n\f\3"+
+		"\r\3\r\3\16\3\16\3\16\3\17\3\17\3\17\3\20\3\20\3\20\3\21\3\21\3\21\3\22"+
+		"\3\22\3\22\3\23\3\23\3\23\3\24\3\24\3\24\3\25\3\25\3\26\3\26\3\26\3\27"+
+		"\3\27\3\30\3\30\3\30\3\31\3\31\3\32\3\32\3\33\3\33\3\33\3\33\5\33\u00f4"+
+		"\n\33\3\34\3\34\3\34\3\34\3\34\3\34\3\34\3\34\5\34\u00fe\n\34\3\35\3\35"+
+		"\3\35\3\35\3\35\3\35\3\35\3\35\5\35\u0108\n\35\3\36\3\36\3\36\3\36\3\36"+
+		"\3\36\3\36\3\36\5\36\u0112\n\36\3\37\3\37\3\37\3\37\3 \3 \3 \3 \3 \3 "+
+		"\3 \3 \3 \3 \5 \u0122\n \3!\3!\3!\3!\3!\3!\3!\3!\3!\3!\3!\3!\3!\3!\5!"+
+		"\u0132\n!\3\"\3\"\3\"\3#\3#\3$\3$\3$\3%\3%\3&\3&\3&\3\'\3\'\3(\3(\3)\3"+
+		")\3*\3*\3+\3+\3,\3,\3-\3-\3.\3.\3/\3/\3/\3/\3/\3/\3/\3/\3/\3/\3/\3/\5"+
+		"/\u015d\n/\3\60\3\60\3\60\3\60\3\60\3\60\3\60\3\60\3\60\3\60\3\60\3\60"+
+		"\5\60\u016b\n\60\3\61\3\61\3\61\5\61\u0170\n\61\3\61\6\61\u0173\n\61\r"+
+		"\61\16\61\u0174\3\62\5\62\u0178\n\62\3\62\3\62\5\62\u017c\n\62\3\62\3"+
+		"\62\7\62\u0180\n\62\f\62\16\62\u0183\13\62\5\62\u0185\n\62\3\63\3\63\3"+
+		"\63\7\63\u018a\n\63\f\63\16\63\u018d\13\63\3\63\5\63\u0190\n\63\3\63\5"+
+		"\63\u0193\n\63\3\63\3\63\6\63\u0197\n\63\r\63\16\63\u0198\3\63\5\63\u019c"+
+		"\n\63\3\63\5\63\u019f\n\63\3\63\3\63\3\63\5\63\u01a4\n\63\3\63\3\63\5"+
+		"\63\u01a8\n\63\3\63\3\63\5\63\u01ac\n\63\3\64\3\64\3\64\7\64\u01b1\n\64"+
+		"\f\64\16\64\u01b4\13\64\3\64\5\64\u01b7\n\64\3\64\3\64\3\64\5\64\u01bc"+
+		"\n\64\3\64\3\64\6\64\u01c0\n\64\r\64\16\64\u01c1\3\64\5\64\u01c5\n\64"+
+		"\3\64\3\64\3\64\3\64\5\64\u01cb\n\64\3\64\3\64\5\64\u01cf\n\64\3\65\3"+
+		"\65\3\65\3\66\3\66\3\66\7\66\u01d7\n\66\f\66\16\66\u01da\13\66\3\66\3"+
+		"\66\5\66\u01de\n\66\3\67\3\67\3\67\3\67\7\67\u01e4\n\67\f\67\16\67\u01e7"+
+		"\13\67\3\67\3\67\3\67\3\67\3\67\3\67\7\67\u01ef\n\67\f\67\16\67\u01f2"+
+		"\13\67\3\67\3\67\5\67\u01f6\n\67\38\38\38\38\68\u01fc\n8\r8\168\u01fd"+
+		"\38\38\58\u0202\n8\38\38\39\69\u0207\n9\r9\169\u0208\39\39\3:\3:\3;\3"+
+		";\3<\3<\3=\3=\3>\3>\3?\3?\3@\3@\3A\3A\3B\3B\3C\3C\3D\3D\3\u01fd\2E\3\3"+
+		"\5\4\7\5\t\6\13\7\r\b\17\t\21\n\23\13\25\f\27\r\31\16\33\17\35\20\37\21"+
+		"!\22#\23%\24\'\25)\26+\27-\30/\31\61\32\63\33\65\34\67\359\36;\37= ?!"+
+		"A\"C#E$G%I&K\'M(O)Q*S+U,W-Y.[/]\60_\61a\62c\63e\64g\65i\66k\67m8o9q:s"+
+		"\2u\2w\2y\2{\2}\2\177\2\u0081\2\u0083\2\u0085\2\u0087\2\3\2\16\4\2))^"+
+		"^\7\2))^^ppttvv\4\2$$^^\7\2$$^^ppttvv\5\2\13\f\16\17\"\"\4\2FFff\4\2G"+
+		"Ggg\4\2HHhh\4\2NNnn\6\2&&C\\aac|\b\2\60\60\62<C\\^^aac|\b\2\60\60\62;"+
+		"C\\^^aac|\u024a\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\13\3"+
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+		"\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"+
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+		"9\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\2[\3\2\2\2\2]\3\2\2\2\2"+
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+		"\2\2\2!\u00d5\3\2\2\2#\u00d8\3\2\2\2%\u00db\3\2\2\2\'\u00de\3\2\2\2)\u00e1"+
+		"\3\2\2\2+\u00e3\3\2\2\2-\u00e6\3\2\2\2/\u00e8\3\2\2\2\61\u00eb\3\2\2\2"+
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+		"\3\2\2\2=\u0113\3\2\2\2?\u0121\3\2\2\2A\u0131\3\2\2\2C\u0133\3\2\2\2E"+
+		"\u0136\3\2\2\2G\u0138\3\2\2\2I\u013b\3\2\2\2K\u013d\3\2\2\2M\u0140\3\2"+
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+		"\3\2\2\2Y\u014c\3\2\2\2[\u014e\3\2\2\2]\u015c\3\2\2\2_\u016a\3\2\2\2a"+
+		"\u016c\3\2\2\2c\u0184\3\2\2\2e\u01ab\3\2\2\2g\u01ce\3\2\2\2i\u01d0\3\2"+
+		"\2\2k\u01dd\3\2\2\2m\u01f5\3\2\2\2o\u01f7\3\2\2\2q\u0206\3\2\2\2s\u020c"+
+		"\3\2\2\2u\u020e\3\2\2\2w\u0210\3\2\2\2y\u0212\3\2\2\2{\u0214\3\2\2\2}"+
+		"\u0216\3\2\2\2\177\u0218\3\2\2\2\u0081\u021a\3\2\2\2\u0083\u021c\3\2\2"+
+		"\2\u0085\u021e\3\2\2\2\u0087\u0220\3\2\2\2\u0089\u008a\7k\2\2\u008a\u008e"+
+		"\7p\2\2\u008b\u008c\7K\2\2\u008c\u008e\7P\2\2\u008d\u0089\3\2\2\2\u008d"+
+		"\u008b\3\2\2\2\u008e\4\3\2\2\2\u008f\u0090\7/\2\2\u0090\u0091\7@\2\2\u0091"+
+		"\6\3\2\2\2\u0092\u0093\7$\2\2\u0093\b\3\2\2\2\u0094\u0095\7)\2\2\u0095"+
+		"\n\3\2\2\2\u0096\u0097\7.\2\2\u0097\f\3\2\2\2\u0098\u0099\7\60\2\2\u0099"+
+		"\16\3\2\2\2\u009a\u009b\7c\2\2\u009b\u009c\7p\2\2\u009c\u00a3\7f\2\2\u009d"+
+		"\u009e\7(\2\2\u009e\u00a3\7(\2\2\u009f\u00a0\7C\2\2\u00a0\u00a1\7P\2\2"+
+		"\u00a1\u00a3\7F\2\2\u00a2\u009a\3\2\2\2\u00a2\u009d\3\2\2\2\u00a2\u009f"+
+		"\3\2\2\2\u00a3\20\3\2\2\2\u00a4\u00a5\7q\2\2\u00a5\u00ab\7t\2\2\u00a6"+
+		"\u00a7\7~\2\2\u00a7\u00ab\7~\2\2\u00a8\u00a9\7Q\2\2\u00a9\u00ab\7T\2\2"+
+		"\u00aa\u00a4\3\2\2\2\u00aa\u00a6\3\2\2\2\u00aa\u00a8\3\2\2\2\u00ab\22"+
+		"\3\2\2\2\u00ac\u00ad\7p\2\2\u00ad\u00ae\7q\2\2\u00ae\u00b3\7v\2\2\u00af"+
+		"\u00b0\7P\2\2\u00b0\u00b1\7Q\2\2\u00b1\u00b3\7V\2\2\u00b2\u00ac\3\2\2"+
+		"\2\u00b2\u00af\3\2\2\2\u00b3\24\3\2\2\2\u00b4\u00b5\7v\2\2\u00b5\u00b6"+
+		"\7t\2\2\u00b6\u00b7\7w\2\2\u00b7\u00bd\7g\2\2\u00b8\u00b9\7V\2\2\u00b9"+
+		"\u00ba\7T\2\2\u00ba\u00bb\7W\2\2\u00bb\u00bd\7G\2\2\u00bc\u00b4\3\2\2"+
+		"\2\u00bc\u00b8\3\2\2\2\u00bd\26\3\2\2\2\u00be\u00bf\7h\2\2\u00bf\u00c0"+
+		"\7c\2\2\u00c0\u00c1\7n\2\2\u00c1\u00c2\7u\2\2\u00c2\u00c9\7g\2\2\u00c3"+
+		"\u00c4\7H\2\2\u00c4\u00c5\7C\2\2\u00c5\u00c6\7N\2\2\u00c6\u00c7\7U\2\2"+
+		"\u00c7\u00c9\7G\2\2\u00c8\u00be\3\2\2\2\u00c8\u00c3\3\2\2\2\u00c9\30\3"+
+		"\2\2\2\u00ca\u00cb\7?\2\2\u00cb\32\3\2\2\2\u00cc\u00cd\7<\2\2\u00cd\u00ce"+
+		"\7?\2\2\u00ce\34\3\2\2\2\u00cf\u00d0\7-\2\2\u00d0\u00d1\7?\2\2\u00d1\36"+
+		"\3\2\2\2\u00d2\u00d3\7/\2\2\u00d3\u00d4\7?\2\2\u00d4 \3\2\2\2\u00d5\u00d6"+
+		"\7\61\2\2\u00d6\u00d7\7?\2\2\u00d7\"\3\2\2\2\u00d8\u00d9\7,\2\2\u00d9"+
+		"\u00da\7?\2\2\u00da$\3\2\2\2\u00db\u00dc\7?\2\2\u00dc\u00dd\7?\2\2\u00dd"+
+		"&\3\2\2\2\u00de\u00df\7#\2\2\u00df\u00e0\7?\2\2\u00e0(\3\2\2\2\u00e1\u00e2"+
+		"\7>\2\2\u00e2*\3\2\2\2\u00e3\u00e4\7>\2\2\u00e4\u00e5\7?\2\2\u00e5,\3"+
+		"\2\2\2\u00e6\u00e7\7@\2\2\u00e7.\3\2\2\2\u00e8\u00e9\7@\2\2\u00e9\u00ea"+
+		"\7?\2\2\u00ea\60\3\2\2\2\u00eb\u00ec\7A\2\2\u00ec\62\3\2\2\2\u00ed\u00ee"+
+		"\7<\2\2\u00ee\64\3\2\2\2\u00ef\u00f0\7K\2\2\u00f0\u00f4\7H\2\2\u00f1\u00f2"+
+		"\7k\2\2\u00f2\u00f4\7h\2\2\u00f3\u00ef\3\2\2\2\u00f3\u00f1\3\2\2\2\u00f4"+
+		"\66\3\2\2\2\u00f5\u00f6\7V\2\2\u00f6\u00f7\7J\2\2\u00f7\u00f8\7G\2\2\u00f8"+
+		"\u00fe\7P\2\2\u00f9\u00fa\7v\2\2\u00fa\u00fb\7j\2\2\u00fb\u00fc\7g\2\2"+
+		"\u00fc\u00fe\7p\2\2\u00fd\u00f5\3\2\2\2\u00fd\u00f9\3\2\2\2\u00fe8\3\2"+
+		"\2\2\u00ff\u0100\7G\2\2\u0100\u0101\7N\2\2\u0101\u0102\7U\2\2\u0102\u0108"+
+		"\7G\2\2\u0103\u0104\7g\2\2\u0104\u0105\7n\2\2\u0105\u0106\7u\2\2\u0106"+
+		"\u0108\7g\2\2\u0107\u00ff\3\2\2\2\u0107\u0103\3\2\2\2\u0108:\3\2\2\2\u0109"+
+		"\u010a\7p\2\2\u010a\u010b\7w\2\2\u010b\u010c\7n\2\2\u010c\u0112\7n\2\2"+
+		"\u010d\u010e\7P\2\2\u010e\u010f\7W\2\2\u010f\u0110\7N\2\2\u0110\u0112"+
+		"\7N\2\2\u0111\u0109\3\2\2\2\u0111\u010d\3\2\2\2\u0112<\3\2\2\2\u0113\u0114"+
+		"\7P\2\2\u0114\u0115\7c\2\2\u0115\u0116\7P\2\2\u0116>\3\2\2\2\u0117\u0118"+
+		"\7o\2\2\u0118\u0119\7c\2\2\u0119\u011a\7v\2\2\u011a\u011b\7e\2\2\u011b"+
+		"\u0122\7j\2\2\u011c\u011d\7O\2\2\u011d\u011e\7C\2\2\u011e\u011f\7V\2\2"+
+		"\u011f\u0120\7E\2\2\u0120\u0122\7J\2\2\u0121\u0117\3\2\2\2\u0121\u011c"+
+		"\3\2\2\2\u0122@\3\2\2\2\u0123\u0124\7f\2\2\u0124\u0125\7g\2\2\u0125\u0126"+
+		"\7h\2\2\u0126\u0127\7c\2\2\u0127\u0128\7w\2\2\u0128\u0129\7n\2\2\u0129"+
+		"\u0132\7v\2\2\u012a\u012b\7F\2\2\u012b\u012c\7G\2\2\u012c\u012d\7H\2\2"+
+		"\u012d\u012e\7C\2\2\u012e\u012f\7W\2\2\u012f\u0130\7N\2\2\u0130\u0132"+
+		"\7V\2\2\u0131\u0123\3\2\2\2\u0131\u012a\3\2\2\2\u0132B\3\2\2\2\u0133\u0134"+
+		"\7?\2\2\u0134\u0135\7@\2\2\u0135D\3\2\2\2\u0136\u0137\7/\2\2\u0137F\3"+
+		"\2\2\2\u0138\u0139\7/\2\2\u0139\u013a\7/\2\2\u013aH\3\2\2\2\u013b\u013c"+
+		"\7-\2\2\u013cJ\3\2\2\2\u013d\u013e\7-\2\2\u013e\u013f\7-\2\2\u013fL\3"+
+		"\2\2\2\u0140\u0141\7\61\2\2\u0141N\3\2\2\2\u0142\u0143\7,\2\2\u0143P\3"+
+		"\2\2\2\u0144\u0145\7}\2\2\u0145R\3\2\2\2\u0146\u0147\7\177\2\2\u0147T"+
+		"\3\2\2\2\u0148\u0149\7]\2\2\u0149V\3\2\2\2\u014a\u014b\7_\2\2\u014bX\3"+
+		"\2\2\2\u014c\u014d\7*\2\2\u014dZ\3\2\2\2\u014e\u014f\7+\2\2\u014f\\\3"+
+		"\2\2\2\u0150\u0151\7p\2\2\u0151\u0152\7q\2\2\u0152\u0153\7v\2\2\u0153"+
+		"\u0154\7\"\2\2\u0154\u0155\7k\2\2\u0155\u015d\7p\2\2\u0156\u0157\7P\2"+
+		"\2\u0157\u0158\7Q\2\2\u0158\u0159\7V\2\2\u0159\u015a\7\"\2\2\u015a\u015b"+
+		"\7K\2\2\u015b\u015d\7P\2\2\u015c\u0150\3\2\2\2\u015c\u0156\3\2\2\2\u015d"+
+		"^\3\2\2\2\u015e\u015f\7g\2\2\u015f\u0160\7z\2\2\u0160\u0161\7k\2\2\u0161"+
+		"\u0162\7u\2\2\u0162\u0163\7v\2\2\u0163\u016b\7u\2\2\u0164\u0165\7G\2\2"+
+		"\u0165\u0166\7Z\2\2\u0166\u0167\7K\2\2\u0167\u0168\7U\2\2\u0168\u0169"+
+		"\7V\2\2\u0169\u016b\7U\2\2\u016a\u015e\3\2\2\2\u016a\u0164\3\2\2\2\u016b"+
+		"`\3\2\2\2\u016c\u016f\5{>\2\u016d\u0170\5I%\2\u016e\u0170\5E#\2\u016f"+
+		"\u016d\3\2\2\2\u016f\u016e\3\2\2\2\u016f\u0170\3\2\2\2\u0170\u0172\3\2"+
+		"\2\2\u0171\u0173\5w<\2\u0172\u0171\3\2\2\2\u0173\u0174\3\2\2\2\u0174\u0172"+
+		"\3\2\2\2\u0174\u0175\3\2\2\2\u0175b\3\2\2\2\u0176\u0178\5E#\2\u0177\u0176"+
+		"\3\2\2\2\u0177\u0178\3\2\2\2\u0178\u0179\3\2\2\2\u0179\u0185\5s:\2\u017a"+
+		"\u017c\5E#\2\u017b\u017a\3\2\2\2\u017b\u017c\3\2\2\2\u017c\u017d\3\2\2"+
+		"\2\u017d\u0181\5u;\2\u017e\u0180\5w<\2\u017f\u017e\3\2\2\2\u0180\u0183"+
+		"\3\2\2\2\u0181\u017f\3\2\2\2\u0181\u0182\3\2\2\2\u0182\u0185\3\2\2\2\u0183"+
+		"\u0181\3\2\2\2\u0184\u0177\3\2\2\2\u0184\u017b\3\2\2\2\u0185d\3\2\2\2"+
+		"\u0186\u0187\5c\62\2\u0187\u018b\5\r\7\2\u0188\u018a\5w<\2\u0189\u0188"+
+		"\3\2\2\2\u018a\u018d\3\2\2\2\u018b\u0189\3\2\2\2\u018b\u018c\3\2\2\2\u018c"+
+		"\u018f\3\2\2\2\u018d\u018b\3\2\2\2\u018e\u0190\5a\61\2\u018f\u018e\3\2"+
+		"\2\2\u018f\u0190\3\2\2\2\u0190\u0192\3\2\2\2\u0191\u0193\5y=\2\u0192\u0191"+
+		"\3\2\2\2\u0192\u0193\3\2\2\2\u0193\u01ac\3\2\2\2\u0194\u0196\5\r\7\2\u0195"+
+		"\u0197\5w<\2\u0196\u0195\3\2\2\2\u0197\u0198\3\2\2\2\u0198\u0196\3\2\2"+
+		"\2\u0198\u0199\3\2\2\2\u0199\u019b\3\2\2\2\u019a\u019c\5a\61\2\u019b\u019a"+
+		"\3\2\2\2\u019b\u019c\3\2\2\2\u019c\u019e\3\2\2\2\u019d\u019f\5y=\2\u019e"+
+		"\u019d\3\2\2\2\u019e\u019f\3\2\2\2\u019f\u01ac\3\2\2\2\u01a0\u01a1\5c"+
+		"\62\2\u01a1\u01a3\5a\61\2\u01a2\u01a4\5y=\2\u01a3\u01a2\3\2\2\2\u01a3"+
+		"\u01a4\3\2\2\2\u01a4\u01ac\3\2\2\2\u01a5\u01a7\5c\62\2\u01a6\u01a8\5a"+
+		"\61\2\u01a7\u01a6\3\2\2\2\u01a7\u01a8\3\2\2\2\u01a8\u01a9\3\2\2\2\u01a9"+
+		"\u01aa\5y=\2\u01aa\u01ac\3\2\2\2\u01ab\u0186\3\2\2\2\u01ab\u0194\3\2\2"+
+		"\2\u01ab\u01a0\3\2\2\2\u01ab\u01a5\3\2\2\2\u01acf\3\2\2\2\u01ad\u01ae"+
+		"\5c\62\2\u01ae\u01b2\5\r\7\2\u01af\u01b1\5w<\2\u01b0\u01af\3\2\2\2\u01b1"+
+		"\u01b4\3\2\2\2\u01b2\u01b0\3\2\2\2\u01b2\u01b3\3\2\2\2\u01b3\u01b6\3\2"+
+		"\2\2\u01b4\u01b2\3\2\2\2\u01b5\u01b7\5a\61\2\u01b6\u01b5\3\2\2\2\u01b6"+
+		"\u01b7\3\2\2\2\u01b7\u01b8\3\2\2\2\u01b8\u01b9\5}?\2\u01b9\u01cf\3\2\2"+
+		"\2\u01ba\u01bc\5E#\2\u01bb\u01ba\3\2\2\2\u01bb\u01bc\3\2\2\2\u01bc\u01bd"+
+		"\3\2\2\2\u01bd\u01bf\5\r\7\2\u01be\u01c0\5w<\2\u01bf\u01be\3\2\2\2\u01c0"+
+		"\u01c1\3\2\2\2\u01c1\u01bf\3\2\2\2\u01c1\u01c2\3\2\2\2\u01c2\u01c4\3\2"+
+		"\2\2\u01c3\u01c5\5a\61\2\u01c4\u01c3\3\2\2\2\u01c4\u01c5\3\2\2\2\u01c5"+
+		"\u01c6\3\2\2\2\u01c6\u01c7\5}?\2\u01c7\u01cf\3\2\2\2\u01c8\u01ca\5c\62"+
+		"\2\u01c9\u01cb\5a\61\2\u01ca\u01c9\3\2\2\2\u01ca\u01cb\3\2\2\2\u01cb\u01cc"+
+		"\3\2\2\2\u01cc\u01cd\5}?\2\u01cd\u01cf\3\2\2\2\u01ce\u01ad\3\2\2\2\u01ce"+
+		"\u01bb\3\2\2\2\u01ce\u01c8\3\2\2\2\u01cfh\3\2\2\2\u01d0\u01d1\5c\62\2"+
+		"\u01d1\u01d2\5\177@\2\u01d2j\3\2\2\2\u01d3\u01de\5\u0083B\2\u01d4\u01d8"+
+		"\5\u0083B\2\u01d5\u01d7\5\u0085C\2\u01d6\u01d5\3\2\2\2\u01d7\u01da\3\2"+
+		"\2\2\u01d8\u01d6\3\2\2\2\u01d8\u01d9\3\2\2\2\u01d9\u01db\3\2\2\2\u01da"+
+		"\u01d8\3\2\2\2\u01db\u01dc\5\u0087D\2\u01dc\u01de\3\2\2\2\u01dd\u01d3"+
+		"\3\2\2\2\u01dd\u01d4\3\2\2\2\u01del\3\2\2\2\u01df\u01e5\5\t\5\2\u01e0"+
+		"\u01e4\n\2\2\2\u01e1\u01e2\7^\2\2\u01e2\u01e4\t\3\2\2\u01e3\u01e0\3\2"+
+		"\2\2\u01e3\u01e1\3\2\2\2\u01e4\u01e7\3\2\2\2\u01e5\u01e3\3\2\2\2\u01e5"+
+		"\u01e6\3\2\2\2\u01e6\u01e8\3\2\2\2\u01e7\u01e5\3\2\2\2\u01e8\u01e9\5\t"+
+		"\5\2\u01e9\u01f6\3\2\2\2\u01ea\u01f0\5\7\4\2\u01eb\u01ef\n\4\2\2\u01ec"+
+		"\u01ed\7^\2\2\u01ed\u01ef\t\5\2\2\u01ee\u01eb\3\2\2\2\u01ee\u01ec\3\2"+
+		"\2\2\u01ef\u01f2\3\2\2\2\u01f0\u01ee\3\2\2\2\u01f0\u01f1\3\2\2\2\u01f1"+
+		"\u01f3\3\2\2\2\u01f2\u01f0\3\2\2\2\u01f3\u01f4\5\7\4\2\u01f4\u01f6\3\2"+
+		"\2\2\u01f5\u01df\3\2\2\2\u01f5\u01ea\3\2\2\2\u01f6n\3\2\2\2\u01f7\u01f8"+
+		"\7\61\2\2\u01f8\u01f9\7\61\2\2\u01f9\u01fb\3\2\2\2\u01fa\u01fc\13\2\2"+
+		"\2\u01fb\u01fa\3\2\2\2\u01fc\u01fd\3\2\2\2\u01fd\u01fe\3\2\2\2\u01fd\u01fb"+
+		"\3\2\2\2\u01fe\u0201\3\2\2\2\u01ff\u0202\5\u0081A\2\u0200\u0202\7\2\2"+
+		"\3\u0201\u01ff\3\2\2\2\u0201\u0200\3\2\2\2\u0202\u0203\3\2\2\2\u0203\u0204"+
+		"\b8\2\2\u0204p\3\2\2\2\u0205\u0207\t\6\2\2\u0206\u0205\3\2\2\2\u0207\u0208"+
+		"\3\2\2\2\u0208\u0206\3\2\2\2\u0208\u0209\3\2\2\2\u0209\u020a\3\2\2\2\u020a"+
+		"\u020b\b9\2\2\u020br\3\2\2\2\u020c\u020d\7\62\2\2\u020dt\3\2\2\2\u020e"+
+		"\u020f\4\63;\2\u020fv\3\2\2\2\u0210\u0211\4\62;\2\u0211x\3\2\2\2\u0212"+
+		"\u0213\t\7\2\2\u0213z\3\2\2\2\u0214\u0215\t\b\2\2\u0215|\3\2\2\2\u0216"+
+		"\u0217\t\t\2\2\u0217~\3\2\2\2\u0218\u0219\t\n\2\2\u0219\u0080\3\2\2\2"+
+		"\u021a\u021b\7\f\2\2\u021b\u0082\3\2\2\2\u021c\u021d\t\13\2\2\u021d\u0084"+
+		"\3\2\2\2\u021e\u021f\t\f\2\2\u021f\u0086\3\2\2\2\u0220\u0221\t\r\2\2\u0221"+
+		"\u0088\3\2\2\2\61\2\u008d\u00a2\u00aa\u00b2\u00bc\u00c8\u00f3\u00fd\u0107"+
+		"\u0111\u0121\u0131\u015c\u016a\u016f\u0174\u0177\u017b\u0181\u0184\u018b"+
+		"\u018f\u0192\u0198\u019b\u019e\u01a3\u01a7\u01ab\u01b2\u01b6\u01bb\u01c1"+
+		"\u01c4\u01ca\u01ce\u01d8\u01dd\u01e3\u01e5\u01ee\u01f0\u01f5\u01fd\u0201"+
+		"\u0208\3\b\2\2";
 	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/generated/StellarListener.java
----------------------------------------------------------------------
diff --git a/metron-stellar/stellar-common/src/main/java/org/apache/metron/stellar/common/generated/StellarListener.java b/metron-stellar/stellar-common/src/main/java/org/apache/metron/stellar/common/generated/StellarListener.java
index 718a4fe..c4165e5 100644
--- a/metron-stellar/stellar-common/src/main/java/org/apache/metron/stellar/common/generated/StellarListener.java
+++ b/metron-stellar/stellar-common/src/main/java/org/apache/metron/stellar/common/generated/StellarListener.java
@@ -137,6 +137,162 @@ public interface StellarListener extends ParseTreeListener {
 	 */
 	void exitMatchExpr(StellarParser.MatchExprContext ctx);
 	/**
+	 * Enter a parse tree produced by the {@code AssignExpr}
+	 * labeled alternative in {@link StellarParser#transformation_expr}.
+	 * @param ctx the parse tree
+	 */
+	void enterAssignExpr(StellarParser.AssignExprContext ctx);
+	/**
+	 * Exit a parse tree produced by the {@code AssignExpr}
+	 * labeled alternative in {@link StellarParser#transformation_expr}.
+	 * @param ctx the parse tree
+	 */
+	void exitAssignExpr(StellarParser.AssignExprContext ctx);
+	/**
+	 * Enter a parse tree produced by the {@code PreExpr}
+	 * labeled alternative in {@link StellarParser#transformation_expr}.
+	 * @param ctx the parse tree
+	 */
+	void enterPreExpr(StellarParser.PreExprContext ctx);
+	/**
+	 * Exit a parse tree produced by the {@code PreExpr}
+	 * labeled alternative in {@link StellarParser#transformation_expr}.
+	 * @param ctx the parse tree
+	 */
+	void exitPreExpr(StellarParser.PreExprContext ctx);
+	/**
+	 * Enter a parse tree produced by the {@code PostEpr}
+	 * labeled alternative in {@link StellarParser#transformation_expr}.
+	 * @param ctx the parse tree
+	 */
+	void enterPostEpr(StellarParser.PostEprContext ctx);
+	/**
+	 * Exit a parse tree produced by the {@code PostEpr}
+	 * labeled alternative in {@link StellarParser#transformation_expr}.
+	 * @param ctx the parse tree
+	 */
+	void exitPostEpr(StellarParser.PostEprContext ctx);
+	/**
+	 * Enter a parse tree produced by the {@code AssignExpression}
+	 * labeled alternative in {@link StellarParser#assign_expr}.
+	 * @param ctx the parse tree
+	 */
+	void enterAssignExpression(StellarParser.AssignExpressionContext ctx);
+	/**
+	 * Exit a parse tree produced by the {@code AssignExpression}
+	 * labeled alternative in {@link StellarParser#assign_expr}.
+	 * @param ctx the parse tree
+	 */
+	void exitAssignExpression(StellarParser.AssignExpressionContext ctx);
+	/**
+	 * Enter a parse tree produced by the {@code ColonAssignExpression}
+	 * labeled alternative in {@link StellarParser#assign_expr}.
+	 * @param ctx the parse tree
+	 */
+	void enterColonAssignExpression(StellarParser.ColonAssignExpressionContext ctx);
+	/**
+	 * Exit a parse tree produced by the {@code ColonAssignExpression}
+	 * labeled alternative in {@link StellarParser#assign_expr}.
+	 * @param ctx the parse tree
+	 */
+	void exitColonAssignExpression(StellarParser.ColonAssignExpressionContext ctx);
+	/**
+	 * Enter a parse tree produced by the {@code PlusAssignExpression}
+	 * labeled alternative in {@link StellarParser#assign_expr}.
+	 * @param ctx the parse tree
+	 */
+	void enterPlusAssignExpression(StellarParser.PlusAssignExpressionContext ctx);
+	/**
+	 * Exit a parse tree produced by the {@code PlusAssignExpression}
+	 * labeled alternative in {@link StellarParser#assign_expr}.
+	 * @param ctx the parse tree
+	 */
+	void exitPlusAssignExpression(StellarParser.PlusAssignExpressionContext ctx);
+	/**
+	 * Enter a parse tree produced by the {@code MinusAssignExpression}
+	 * labeled alternative in {@link StellarParser#assign_expr}.
+	 * @param ctx the parse tree
+	 */
+	void enterMinusAssignExpression(StellarParser.MinusAssignExpressionContext ctx);
+	/**
+	 * Exit a parse tree produced by the {@code MinusAssignExpression}
+	 * labeled alternative in {@link StellarParser#assign_expr}.
+	 * @param ctx the parse tree
+	 */
+	void exitMinusAssignExpression(StellarParser.MinusAssignExpressionContext ctx);
+	/**
+	 * Enter a parse tree produced by the {@code DivideAssignExpression}
+	 * labeled alternative in {@link StellarParser#assign_expr}.
+	 * @param ctx the parse tree
+	 */
+	void enterDivideAssignExpression(StellarParser.DivideAssignExpressionContext ctx);
+	/**
+	 * Exit a parse tree produced by the {@code DivideAssignExpression}
+	 * labeled alternative in {@link StellarParser#assign_expr}.
+	 * @param ctx the parse tree
+	 */
+	void exitDivideAssignExpression(StellarParser.DivideAssignExpressionContext ctx);
+	/**
+	 * Enter a parse tree produced by the {@code MultiAssignExpression}
+	 * labeled alternative in {@link StellarParser#assign_expr}.
+	 * @param ctx the parse tree
+	 */
+	void enterMultiAssignExpression(StellarParser.MultiAssignExpressionContext ctx);
+	/**
+	 * Exit a parse tree produced by the {@code MultiAssignExpression}
+	 * labeled alternative in {@link StellarParser#assign_expr}.
+	 * @param ctx the parse tree
+	 */
+	void exitMultiAssignExpression(StellarParser.MultiAssignExpressionContext ctx);
+	/**
+	 * Enter a parse tree produced by the {@code PreIncrementExpression}
+	 * labeled alternative in {@link StellarParser#pre_expr}.
+	 * @param ctx the parse tree
+	 */
+	void enterPreIncrementExpression(StellarParser.PreIncrementExpressionContext ctx);
+	/**
+	 * Exit a parse tree produced by the {@code PreIncrementExpression}
+	 * labeled alternative in {@link StellarParser#pre_expr}.
+	 * @param ctx the parse tree
+	 */
+	void exitPreIncrementExpression(StellarParser.PreIncrementExpressionContext ctx);
+	/**
+	 * Enter a parse tree produced by the {@code PreDecrementExpression}
+	 * labeled alternative in {@link StellarParser#pre_expr}.
+	 * @param ctx the parse tree
+	 */
+	void enterPreDecrementExpression(StellarParser.PreDecrementExpressionContext ctx);
+	/**
+	 * Exit a parse tree produced by the {@code PreDecrementExpression}
+	 * labeled alternative in {@link StellarParser#pre_expr}.
+	 * @param ctx the parse tree
+	 */
+	void exitPreDecrementExpression(StellarParser.PreDecrementExpressionContext ctx);
+	/**
+	 * Enter a parse tree produced by the {@code PostIncrementExpression}
+	 * labeled alternative in {@link StellarParser#post_expr}.
+	 * @param ctx the parse tree
+	 */
+	void enterPostIncrementExpression(StellarParser.PostIncrementExpressionContext ctx);
+	/**
+	 * Exit a parse tree produced by the {@code PostIncrementExpression}
+	 * labeled alternative in {@link StellarParser#post_expr}.
+	 * @param ctx the parse tree
+	 */
+	void exitPostIncrementExpression(StellarParser.PostIncrementExpressionContext ctx);
+	/**
+	 * Enter a parse tree produced by the {@code PostDecrementExpression}
+	 * labeled alternative in {@link StellarParser#post_expr}.
+	 * @param ctx the parse tree
+	 */
+	void enterPostDecrementExpression(StellarParser.PostDecrementExpressionContext ctx);
+	/**
+	 * Exit a parse tree produced by the {@code PostDecrementExpression}
+	 * labeled alternative in {@link StellarParser#post_expr}.
+	 * @param ctx the parse tree
+	 */
+	void exitPostDecrementExpression(StellarParser.PostDecrementExpressionContext ctx);
+	/**
 	 * Enter a parse tree produced by the {@code if_expr}
 	 * labeled alternative in {@link StellarParser#default_operand}.
 	 * @param ctx the parse tree


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