diff --git a/src/main/java/org/programsnail/truffle_lama/parser/Lama.g4 b/src/main/java/org/programsnail/truffle_lama/parser/Lama.g4
index ea6a454..8a73bab 100644
--- a/src/main/java/org/programsnail/truffle_lama/parser/Lama.g4
+++ b/src/main/java/org/programsnail/truffle_lama/parser/Lama.g4
@@ -52,13 +52,14 @@ grammar Lama;
 import java.util.Optional;
 import java.util.ArrayList;
 import java.util.List;
-import java.util.Map;
+import java.util.Objects;
 
-import com.oracle.truffle.api.RootCallTarget;
 import com.oracle.truffle.api.source.Source;
 import com.oracle.truffle.api.strings.TruffleString;
 import org.programsnail.truffle_lama.LamaLanguage;
 import org.programsnail.truffle_lama.nodes.LamaExpressionNode;
+import org.programsnail.truffle_lama.nodes.LamaRootNode;
+import org.programsnail.truffle_lama.nodes.pattern.LamaPattern;
 }
 
 @lexer::header
@@ -94,7 +95,7 @@ private static void throwParseError(Source source, int line, int charPositionInL
     throw new LamaParseError(source, line, col, length, String.format("Error(s) parsing script:%n" + location + message));
 }
 
-public static LamaExpressionNode parseLama(LamaLanguage language, Source source) {
+public static LamaRootNode parseLama(LamaLanguage language, Source source) {
     LamaLexer lexer = new LamaLexer(CharStreams.fromString(source.getCharacters().toString()));
     LamaParser parser = new LamaParser(new CommonTokenStream(lexer));
     lexer.removeErrorListeners();
@@ -113,26 +114,28 @@ public static LamaExpressionNode parseLama(LamaLanguage language, Source source)
 
 lama returns [LamaExpressionNode result]:
     /* (import_expression)* */
-    scope_expression { $result = $scope_expression.result; }
+    scope_expression[false] { $result = $scope_expression.result; factory.setRootExpr($result); }
     EOF;
 
 //import_expression : 'import' UIDENT ';';
 
-scope_expression  returns [LamaExpressionNode result]:
-    definition { $result = $expression.result; }
+scope_expression[boolean do_scope]  returns [LamaExpressionNode result]
+    : { if (do_scope) { factory.enterScope(); } }
+    (definition { $result = $expression.result; }
     (
         definition { $result = factory.createSeqNode($result, $expression.result); }
     )* (
         expression { $result = factory.createSeqNode($result, $expression.result); }
     )?
-    | expression { $result = $expression.result; }
+    | expression { $result = $expression.result; })
+    { if (do_scope) { factory.exitScope(); } }
 ;
 
 definition returns [LamaExpressionNode result]:
       variable_definition { $result = $variable_definition.result; }
     | function_definition { $result = $function_definition.result; }
-;
-//    | infix_definition;
+    ;
+//    | infix_definition { $result = $infix_definition.result; };
 
 //
 
@@ -144,32 +147,42 @@ variable_definition returns [LamaExpressionNode result]
     variable_definition_sequence[is_public] { $result = $variable_definition_sequence.result; }
 ;
 variable_definition_sequence[boolean is_public] returns [LamaExpressionNode result]:
-    variable_definition_item { $result = factory.createVarNode($variable_definition_item.name, $variable_definition_item.expr); }
+    variable_definition_item { $result = factory.createAssignVarNode($variable_definition_item.name, $variable_definition_item.expr); }
     (','
-        variable_definition_item { $result = factory.createSeqNode($result, factory.createVarNode($variable_definition_item.name, $variable_definition_item.expr)); }
+        variable_definition_item { $result = factory.createSeqNode($result, factory.createAssignVarNode($variable_definition_item.name, $variable_definition_item.expr)); }
     )* ';';
-variable_definition_item returns [TruffleString name, Optional<LamaExpressionNode> expr]
-    : { $expr = Optional.empty(); }
+variable_definition_item returns [Token name, LamaExpressionNode expr]
+    : { $expr = null; }
     LIDENT { $name = $LIDENT; }
     ('='
-        basic_expression { $expr = Optional.of($basic_expression.result); }
+        basic_expression { $expr = $basic_expression.result; }
     )?;
-function_definition returns [LamaExpressionNode result]  // TODO: scopes
-    : { boolean is_public = false; }
+function_definition returns [LamaExpressionNode result]
+    : {
+        boolean is_public = false;
+        List<Token> args = new ArrayList<Token>();
+        factory.enterScope(LamaNodeFactory.LexicalScope.Kind.FUNCTION);
+    }
     (
         'public' { is_public = true; }
-    )? 'fun' LIDENT '(' (function_arguments)? ')' function_body
-    { $result = factory.defineFunction($LIDENT, $function_arguments.args, $function_body.result); }
+    )? 'fun' LIDENT '(' (
+        function_arguments { args = $function_arguments.args; factory.addFunctionArguments(args); }
+    )? ')' function_body
+    {
+        $result = factory.createClosureNode($LIDENT, $function_body.result, args.size()); // create lambda for the function
+        factory.exitScope(); // TODO: create exit node to create vars ??
+        $result = factory.createAssignVarNode($LIDENT, $result); // create global function: out of the created scope
+    }
 ;
-function_arguments returns [List<TruffleString> args]
-    : { $args = new ArrayList<TruffleString>(); }
+function_arguments returns [List<Token> args]
+    : { $args = new ArrayList<Token>(); }
     LIDENT { $args.addLast($LIDENT); }
     (','
         LIDENT { $args.addLast($LIDENT); }
     )*;
 function_body returns [LamaExpressionNode result]:
     '{'
-        scope_expression { $result = $scope_expression.result; }
+        scope_expression[true] { $result = $scope_expression.result; }
     '}';
 
 //
@@ -185,14 +198,14 @@ expression returns [LamaExpressionNode result]:
     basic_expression { $result = $basic_expression.result; }
     (';'
         expression { $result = factory.createSeqNode($result, $expression.result); }
-    )?; // TODO: additional things, exit scope ??
+    )?;
 basic_expression returns [LamaExpressionNode result]: binary_expression { $result = $binary_expression.result; };
 binary_expression returns [LamaExpressionNode result]:
     postfix_expression { $result = $postfix_expression.result; }
     (
         any_infix
         postfix_expression { $result = factory.createBinopNode($any_infix.result, $result, $postfix_expression.result); }
-    )*;
+    )*; // TODO: replace with custom sequence parser (with infixity)
 postfix_expression returns [LamaExpressionNode result]
     : { boolean with_minus = false; }
     (
@@ -202,14 +215,24 @@ postfix_expression returns [LamaExpressionNode result]
     (
         postfix {
             if ($postfix.access_index.isPresent()) {
-                $result = factory.createElemNode($result, ($postfix.access_index.get())); // TODO: or RefElem node
+                $result = factory.createElemValueNode($result, $postfix.access_index.get());
+                // TODO: choose between elem and ref
             } else {
                 $result = factory.createCallNode($result, $postfix.args);
             }
         }
-    )*; // TODO: elem or elem ref for access node ??
+    )*
+    {
+        if (with_minus) {
+            $result = factory.createBinopNode(
+                $MINUS,
+                factory.createValueConstNode($MINUS, 0),
+                $result);
+        }
+    }
+;
 postfix returns [List<LamaExpressionNode> args, Optional<LamaExpressionNode> access_index]
-    : { $args = new ArrayList<LamaExpressionNode>(); $access_index = Option.empty(); }
+    : { $args = new ArrayList<LamaExpressionNode>(); $access_index = Optional.empty(); }
     '('
         expression { $args.addLast($expression.result); }
         (','
@@ -218,7 +241,7 @@ postfix returns [List<LamaExpressionNode> args, Optional<LamaExpressionNode> acc
     ')'
   | '(' ')'
   | '['
-        expression { $access_index = Option.of($expression.result); }
+        expression { $access_index = Optional.of($expression.result); }
     ']'
 ;
 
@@ -226,14 +249,25 @@ primary returns [LamaExpressionNode result]:
     DECIMAL_LITERAL { $result = factory.createConstNode($DECIMAL_LITERAL); } // minus - inside decimal literal definition
   | STRING_LITERAL { $result = factory.createStringNode($STRING_LITERAL); }
   | CHAR_LITERAL { $result = factory.createCharConstNode($CHAR_LITERAL); }
-  | LIDENT { $result = factory.createRefNode($LIDENT); }
+  | LIDENT { $result = factory.createValueNode($LIDENT); } // TODO: choose between value and ref
   | tok='true' { $result = factory.createValueConstNode($tok, 1); }
   | tok='false' { $result = factory.createValueConstNode($tok, 0); }
-  | 'infix' any_infix { $result = factory.createRefNode($any_infix.result); }
-  | 'fun' '(' function_arguments ')' function_body
-    { $result = factory.createClosureNode($function_arguments.args, $function_body.result); } // TODO: scopes
-  | 'skip' { $result = factory.createSkipNode(); }
-  | '(' scope_expression ')' { $result = $scope_expression.result; } // add some scope for correct attribution ??
+  | 'infix' any_infix { $result = factory.createValueNode($any_infix.result); }
+  | tok='fun' '('
+    {
+        List<Token> args = new ArrayList<Token>();
+        factory.enterScope(LamaNodeFactory.LexicalScope.Kind.INNER_CLOSURE);
+    }
+        function_arguments { args = $function_arguments.args; factory.addFunctionArguments(args); }
+        // TODO: make optional ??
+    ')'
+    function_body
+    {
+        $result = factory.createClosureNode($tok, $function_body.result, args.size());
+        factory.exitScope(); // TODO: create exit node to create vars ??
+    }
+  | tok='skip' { $result = factory.createSkipNode($tok); }
+  | '(' scope_expression[true] ')' { $result = $scope_expression.result; } // TODO: check
   | list_expression { $result = $list_expression.result; }
   | array_expression { $result = $array_expression.result; }
   | s_expression { $result = $s_expression.result; }
@@ -282,27 +316,31 @@ s_expression returns [LamaExpressionNode result]
 
 if_expression returns [LamaExpressionNode result]
     : { LamaExpressionNode do_else = null; }
-    'if' expression 'then' scope_expression (
+    'if' expression 'then' scope_expression[true]
+    (
         else_part { do_else = $else_part.result; }
     )? 'fi'
     { $result = factory.createIfNode($expression.result, $scope_expression.result, do_else); }
 ;
 else_part returns [LamaExpressionNode result]:
-    'elif' { LamaExpressionNode do_else = null; } expression 'then' scope_expression (
+    'elif' { LamaExpressionNode do_else = null; } expression 'then' scope_expression[true] (
         else_part { do_else = $else_part.result; }
     )? { $result = factory.createIfNode($expression.result, $scope_expression.result, do_else); }
-  | 'else' scope_expression { $result = $scope_expression.result; };
+  | 'else' scope_expression[true] { $result = $scope_expression.result; };
 
 //
 
-while_do_expression returns [LamaExpressionNode result]: 'while' expression 'do' scope_expression 'od'
+while_do_expression returns [LamaExpressionNode result]: 'while' expression 'do' scope_expression[true] 'od'
     { $result = factory.createWhileNode($expression.result, $scope_expression.result); };
-do_while_expression returns [LamaExpressionNode result]: 'do' scope_expression 'while' expression 'od'
+do_while_expression returns [LamaExpressionNode result]: 'do' scope_expression[true] 'while' expression 'od'
     { $result = factory.createDoWhileNode($expression.result, $scope_expression.result); };
 for_expression returns [LamaExpressionNode result]:
-    'for' init=scope_expression ',' cond=expression ',' inc=expression 'do' expr=scope_expression 'od'
-    // TODO: add scope, etc.
-    { $result = factory.createSeqNode($init.result, factory.createWhileNode($cond.result, factory.createSeqNode($expr.result, $inc.result))); }
+    'for' { factory.enterScope(); }
+    init=scope_expression[false] ',' cond=expression ',' inc=expression 'do' expr=scope_expression[true] 'od'
+    {
+        $result = factory.createSeqNode($init.result, factory.createWhileNode($cond.result, factory.createSeqNode($expr.result, $inc.result)));
+        factory.exitScope();
+    }
 ;
 
 //
@@ -311,7 +349,7 @@ pattern returns [LamaPattern result]:
       cons_pattern { $result = $cons_pattern.result; }
     | simple_pattern { $result = $simple_pattern.result; }
 ;
-cons_pattern returns [LamaPattern result]: simple_pattern ':' pattern { $result = factory.createSexpPattern("cons", {$simple_pattern.result, $pattern.result}); };
+cons_pattern returns [LamaPattern result]: simple_pattern ':' pattern { $result = factory.createSexpConsPattern($simple_pattern.result, $pattern.result); };
 simple_pattern returns [LamaPattern result]:
     wildcard_pattern { $result = $wildcard_pattern.result; }
   | s_expr_pattern { $result = $s_expr_pattern.result; }
@@ -322,16 +360,16 @@ simple_pattern returns [LamaPattern result]:
     ('@'
         pattern { pat = $pattern.result; }
     )?
-    { $result = factory.createNamedPattern($LIDENT, Objects.requireNonNullElse(pat, factory.createWildcardPattern()); }
+    { $result = factory.createNamedPattern($LIDENT, Objects.requireNonNullElse(pat, factory.createWildcardPattern())); }
   | { boolean is_negative = false; }
     (
         MINUS { is_negative = true; }
     )?
     DECIMAL_LITERAL { $result = is_negative ? factory.createNegativeConstPattern($DECIMAL_LITERAL) : factory.createConstPattern($DECIMAL_LITERAL); }
-  | STRING_LITERAL { $result = factory.createStringPattern(LamaStrings.convertStringLiteral($STRING_LITERAL)); }
-  | CHAR_LITERAL { $result = factory.createConstPattern(LamaStrings.convertCharLiteral($CHAR_LITERAL)); }
-  | 'true' { $result = factory.createConstPattern(1); }
-  | 'false' { $result = factory.createConstPattern(0); }
+  | STRING_LITERAL { $result = factory.createStringPattern($STRING_LITERAL); }
+  | CHAR_LITERAL { $result = factory.createConstPattern($CHAR_LITERAL); }
+  | tok='true' { $result = factory.createValueConstPattern($tok, 1); }
+  | tok='false' { $result = factory.createValueConstPattern($tok, 0); }
   | '#' 'box' { $result = factory.createBoxedPattern(); }
   | '#' 'val' { $result = factory.createUnBoxedPattern(); }
   | '#' 'str' { $result = factory.createStringTagPattern(); }
@@ -368,7 +406,7 @@ list_pattern returns [LamaPattern result]
     '{' (
         pattern { elems.addLast($pattern.result); }
         (','
-            pattern { elems.addLast($pattern.result); } //FIXME: wrong order
+            pattern { elems.addLast($pattern.result); }
         )*)?
     '}'
     { $result = factory.createListSexpPattern(elems); }
@@ -380,18 +418,20 @@ case_expression returns [LamaExpressionNode result]:
     'case' expression 'of' case_branches 'esac' { $result = factory.createCaseNode($expression.result, $case_branches.pats, $case_branches.exprs); }
 ;
 case_branches returns [List<LamaPattern> pats, List<LamaExpressionNode> exprs]
-    : { $pats = new ArrayList<LamaPattern>(); $exprs = new ArrayList<LamaExpressionNode> exprs; }
+    : { $pats = new ArrayList<LamaPattern>(); $exprs = new ArrayList<LamaExpressionNode>(); }
     case_branch { $pats.addLast($case_branch.pat); $exprs.addLast($case_branch.expr); }
     ('|'
         case_branch { $pats.addLast($case_branch.pat); $exprs.addLast($case_branch.expr); }
     )*;
-case_branch returns [LamaPattern pat, LamaExpressionNode expr]:
+case_branch returns [LamaPattern pat, LamaExpressionNode expr]
+    : { factory.enterScope(); }
     pattern { $pat = $pattern.result; }
     '->'
-    scope_expression { $expr = $scope_expression.result; }
+    scope_expression[false] { $expr = $scope_expression.result; }
+    { factory.exitScope(); }
 ;
 
-any_infix returns [String result]:
+any_infix returns [Token result]:
       INFIX { $result = $INFIX; }
     | MINUS { $result = $MINUS; }
 ;
diff --git a/src/main/java/org/programsnail/truffle_lama/parser/Lama.interp b/src/main/java/org/programsnail/truffle_lama/parser/Lama.interp
index 49adfe1..55bc57a 100644
--- a/src/main/java/org/programsnail/truffle_lama/parser/Lama.interp
+++ b/src/main/java/org/programsnail/truffle_lama/parser/Lama.interp
@@ -142,4 +142,4 @@ any_infix
 
 
 atn:
-[4, 1, 50, 558, 2, 0, 7, 0, 2, 1, 7, 1, 2, 2, 7, 2, 2, 3, 7, 3, 2, 4, 7, 4, 2, 5, 7, 5, 2, 6, 7, 6, 2, 7, 7, 7, 2, 8, 7, 8, 2, 9, 7, 9, 2, 10, 7, 10, 2, 11, 7, 11, 2, 12, 7, 12, 2, 13, 7, 13, 2, 14, 7, 14, 2, 15, 7, 15, 2, 16, 7, 16, 2, 17, 7, 17, 2, 18, 7, 18, 2, 19, 7, 19, 2, 20, 7, 20, 2, 21, 7, 21, 2, 22, 7, 22, 2, 23, 7, 23, 2, 24, 7, 24, 2, 25, 7, 25, 2, 26, 7, 26, 2, 27, 7, 27, 2, 28, 7, 28, 2, 29, 7, 29, 2, 30, 7, 30, 2, 31, 7, 31, 2, 32, 7, 32, 2, 33, 7, 33, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 5, 1, 78, 8, 1, 10, 1, 12, 1, 81, 9, 1, 1, 1, 1, 1, 1, 1, 3, 1, 86, 8, 1, 1, 1, 1, 1, 1, 1, 3, 1, 91, 8, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 3, 2, 99, 8, 2, 1, 3, 1, 3, 1, 3, 1, 3, 3, 3, 105, 8, 3, 1, 3, 1, 3, 1, 3, 1, 4, 1, 4, 1, 4, 1, 4, 1, 4, 1, 4, 5, 4, 116, 8, 4, 10, 4, 12, 4, 119, 9, 4, 1, 4, 1, 4, 1, 5, 1, 5, 1, 5, 1, 5, 1, 5, 1, 5, 1, 5, 3, 5, 130, 8, 5, 1, 6, 1, 6, 1, 6, 3, 6, 135, 8, 6, 1, 6, 1, 6, 1, 6, 1, 6, 3, 6, 141, 8, 6, 1, 6, 1, 6, 1, 6, 1, 6, 1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 5, 7, 153, 8, 7, 10, 7, 12, 7, 156, 9, 7, 1, 8, 1, 8, 1, 8, 1, 8, 1, 8, 1, 9, 1, 9, 1, 9, 1, 9, 1, 9, 1, 9, 3, 9, 169, 8, 9, 1, 10, 1, 10, 1, 10, 1, 11, 1, 11, 1, 11, 1, 11, 1, 11, 1, 11, 5, 11, 180, 8, 11, 10, 11, 12, 11, 183, 9, 11, 1, 12, 1, 12, 1, 12, 3, 12, 188, 8, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 5, 12, 195, 8, 12, 10, 12, 12, 12, 198, 9, 12, 1, 13, 1, 13, 1, 13, 1, 13, 1, 13, 1, 13, 1, 13, 1, 13, 5, 13, 208, 8, 13, 10, 13, 12, 13, 211, 9, 13, 1, 13, 1, 13, 1, 13, 1, 13, 1, 13, 1, 13, 1, 13, 1, 13, 1, 13, 3, 13, 222, 8, 13, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 3, 14, 278, 8, 14, 1, 15, 1, 15, 1, 15, 1, 15, 1, 15, 1, 15, 1, 15, 1, 15, 5, 15, 288, 8, 15, 10, 15, 12, 15, 291, 9, 15, 3, 15, 293, 8, 15, 1, 15, 1, 15, 1, 15, 1, 16, 1, 16, 1, 16, 1, 16, 1, 16, 1, 16, 1, 16, 1, 16, 5, 16, 306, 8, 16, 10, 16, 12, 16, 309, 9, 16, 3, 16, 311, 8, 16, 1, 16, 1, 16, 1, 16, 1, 17, 1, 17, 1, 17, 1, 17, 1, 17, 1, 17, 1, 17, 1, 17, 1, 17, 5, 17, 325, 8, 17, 10, 17, 12, 17, 328, 9, 17, 3, 17, 330, 8, 17, 1, 17, 3, 17, 333, 8, 17, 1, 17, 1, 17, 1, 18, 1, 18, 1, 18, 1, 18, 1, 18, 1, 18, 1, 18, 1, 18, 3, 18, 345, 8, 18, 1, 18, 1, 18, 1, 18, 1, 19, 1, 19, 1, 19, 1, 19, 1, 19, 1, 19, 1, 19, 1, 19, 3, 19, 358, 8, 19, 1, 19, 1, 19, 1, 19, 1, 19, 1, 19, 1, 19, 3, 19, 366, 8, 19, 1, 20, 1, 20, 1, 20, 1, 20, 1, 20, 1, 20, 1, 20, 1, 21, 1, 21, 1, 21, 1, 21, 1, 21, 1, 21, 1, 21, 1, 22, 1, 22, 1, 22, 1, 22, 1, 22, 1, 22, 1, 22, 1, 22, 1, 22, 1, 22, 1, 22, 1, 23, 1, 23, 1, 23, 1, 23, 1, 23, 1, 23, 3, 23, 399, 8, 23, 1, 24, 1, 24, 1, 24, 1, 24, 1, 24, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 3, 25, 424, 8, 25, 1, 25, 1, 25, 1, 25, 1, 25, 3, 25, 430, 8, 25, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 3, 25, 465, 8, 25, 1, 26, 1, 26, 1, 26, 1, 27, 1, 27, 1, 27, 1, 27, 1, 27, 1, 27, 1, 27, 1, 27, 1, 27, 5, 27, 479, 8, 27, 10, 27, 12, 27, 482, 9, 27, 3, 27, 484, 8, 27, 1, 27, 3, 27, 487, 8, 27, 1, 27, 1, 27, 1, 28, 1, 28, 1, 28, 1, 28, 1, 28, 1, 28, 1, 28, 1, 28, 5, 28, 499, 8, 28, 10, 28, 12, 28, 502, 9, 28, 3, 28, 504, 8, 28, 1, 28, 1, 28, 1, 28, 1, 29, 1, 29, 1, 29, 1, 29, 1, 29, 1, 29, 1, 29, 1, 29, 5, 29, 517, 8, 29, 10, 29, 12, 29, 520, 9, 29, 3, 29, 522, 8, 29, 1, 29, 1, 29, 1, 29, 1, 30, 1, 30, 1, 30, 1, 30, 1, 30, 1, 30, 1, 30, 1, 31, 1, 31, 1, 31, 1, 31, 1, 31, 1, 31, 1, 31, 5, 31, 541, 8, 31, 10, 31, 12, 31, 544, 9, 31, 1, 32, 1, 32, 1, 32, 1, 32, 1, 32, 1, 32, 1, 33, 1, 33, 1, 33, 1, 33, 3, 33, 556, 8, 33, 1, 33, 0, 0, 34, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, 64, 66, 0, 0, 595, 0, 68, 1, 0, 0, 0, 2, 90, 1, 0, 0, 0, 4, 98, 1, 0, 0, 0, 6, 100, 1, 0, 0, 0, 8, 109, 1, 0, 0, 0, 10, 122, 1, 0, 0, 0, 12, 131, 1, 0, 0, 0, 14, 146, 1, 0, 0, 0, 16, 157, 1, 0, 0, 0, 18, 162, 1, 0, 0, 0, 20, 170, 1, 0, 0, 0, 22, 173, 1, 0, 0, 0, 24, 184, 1, 0, 0, 0, 26, 221, 1, 0, 0, 0, 28, 277, 1, 0, 0, 0, 30, 279, 1, 0, 0, 0, 32, 297, 1, 0, 0, 0, 34, 315, 1, 0, 0, 0, 36, 336, 1, 0, 0, 0, 38, 365, 1, 0, 0, 0, 40, 367, 1, 0, 0, 0, 42, 374, 1, 0, 0, 0, 44, 381, 1, 0, 0, 0, 46, 398, 1, 0, 0, 0, 48, 400, 1, 0, 0, 0, 50, 464, 1, 0, 0, 0, 52, 466, 1, 0, 0, 0, 54, 469, 1, 0, 0, 0, 56, 490, 1, 0, 0, 0, 58, 508, 1, 0, 0, 0, 60, 526, 1, 0, 0, 0, 62, 533, 1, 0, 0, 0, 64, 545, 1, 0, 0, 0, 66, 555, 1, 0, 0, 0, 68, 69, 3, 2, 1, 0, 69, 70, 6, 0, -1, 0, 70, 71, 5, 0, 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24, 0, 0, 381, 382, 6, 20, -1, 0, 382, 41, 1, 0, 0, 0, 383, 384, 5, 23, 0, 0, 384, 385, 3, 2, 1, 0, 385, 386, 5, 22, 0, 0, 386, 387, 3, 18, 9, 0, 387, 388, 5, 24, 0, 0, 388, 389, 6, 21, -1, 0, 389, 43, 1, 0, 0, 0, 390, 391, 5, 25, 0, 0, 391, 392, 6, 22, -1, 0, 392, 393, 3, 2, 1, 0, 393, 394, 5, 3, 0, 0, 394, 395, 3, 18, 9, 0, 395, 396, 5, 3, 0, 0, 396, 397, 3, 18, 9, 0, 397, 398, 5, 23, 0, 0, 398, 399, 3, 2, 1, 0, 399, 400, 5, 24, 0, 0, 400, 401, 6, 22, -1, 0, 401, 45, 1, 0, 0, 0, 402, 403, 3, 48, 24, 0, 403, 404, 6, 23, -1, 0, 404, 409, 1, 0, 0, 0, 405, 406, 3, 50, 25, 0, 406, 407, 6, 23, -1, 0, 407, 409, 1, 0, 0, 0, 408, 402, 1, 0, 0, 0, 408, 405, 1, 0, 0, 0, 409, 47, 1, 0, 0, 0, 410, 411, 3, 50, 25, 0, 411, 412, 5, 26, 0, 0, 412, 413, 3, 46, 23, 0, 413, 414, 6, 24, -1, 0, 414, 49, 1, 0, 0, 0, 415, 416, 3, 52, 26, 0, 416, 417, 6, 25, -1, 0, 417, 475, 1, 0, 0, 0, 418, 419, 3, 54, 27, 0, 419, 420, 6, 25, -1, 0, 420, 475, 1, 0, 0, 0, 421, 422, 3, 56, 28, 0, 422, 423, 6, 25, -1, 0, 423, 475, 1, 0, 0, 0, 424, 425, 3, 58, 29, 0, 425, 426, 6, 25, -1, 0, 426, 475, 1, 0, 0, 0, 427, 428, 5, 46, 0, 0, 428, 433, 6, 25, -1, 0, 429, 430, 5, 27, 0, 0, 430, 431, 3, 46, 23, 0, 431, 432, 6, 25, -1, 0, 432, 434, 1, 0, 0, 0, 433, 429, 1, 0, 0, 0, 433, 434, 1, 0, 0, 0, 434, 435, 1, 0, 0, 0, 435, 475, 6, 25, -1, 0, 436, 439, 6, 25, -1, 0, 437, 438, 5, 43, 0, 0, 438, 440, 6, 25, -1, 0, 439, 437, 1, 0, 0, 0, 439, 440, 1, 0, 0, 0, 440, 441, 1, 0, 0, 0, 441, 442, 5, 49, 0, 0, 442, 475, 6, 25, -1, 0, 443, 444, 5, 48, 0, 0, 444, 475, 6, 25, -1, 0, 445, 446, 5, 47, 0, 0, 446, 475, 6, 25, -1, 0, 447, 448, 5, 13, 0, 0, 448, 475, 6, 25, -1, 0, 449, 450, 5, 14, 0, 0, 450, 475, 6, 25, -1, 0, 451, 452, 5, 28, 0, 0, 452, 453, 5, 29, 0, 0, 453, 475, 6, 25, -1, 0, 454, 455, 5, 28, 0, 0, 455, 456, 5, 30, 0, 0, 456, 475, 6, 25, -1, 0, 457, 458, 5, 28, 0, 0, 458, 459, 5, 31, 0, 0, 459, 475, 6, 25, -1, 0, 460, 461, 5, 28, 0, 0, 461, 462, 5, 32, 0, 0, 462, 475, 6, 25, -1, 0, 463, 464, 5, 28, 0, 0, 464, 465, 5, 33, 0, 0, 465, 475, 6, 25, -1, 0, 466, 467, 5, 28, 0, 0, 467, 468, 5, 6, 0, 0, 468, 475, 6, 25, -1, 0, 469, 470, 5, 7, 0, 0, 470, 471, 3, 46, 23, 0, 471, 472, 5, 8, 0, 0, 472, 473, 6, 25, -1, 0, 473, 475, 1, 0, 0, 0, 474, 415, 1, 0, 0, 0, 474, 418, 1, 0, 0, 0, 474, 421, 1, 0, 0, 0, 474, 424, 1, 0, 0, 0, 474, 427, 1, 0, 0, 0, 474, 436, 1, 0, 0, 0, 474, 443, 1, 0, 0, 0, 474, 445, 1, 0, 0, 0, 474, 447, 1, 0, 0, 0, 474, 449, 1, 0, 0, 0, 474, 451, 1, 0, 0, 0, 474, 454, 1, 0, 0, 0, 474, 457, 1, 0, 0, 0, 474, 460, 1, 0, 0, 0, 474, 463, 1, 0, 0, 0, 474, 466, 1, 0, 0, 0, 474, 469, 1, 0, 0, 0, 475, 51, 1, 0, 0, 0, 476, 477, 5, 34, 0, 0, 477, 478, 6, 26, -1, 0, 478, 53, 1, 0, 0, 0, 479, 480, 6, 27, -1, 0, 480, 496, 5, 45, 0, 0, 481, 493, 5, 7, 0, 0, 482, 483, 3, 46, 23, 0, 483, 490, 6, 27, -1, 0, 484, 485, 5, 3, 0, 0, 485, 486, 3, 46, 23, 0, 486, 487, 6, 27, -1, 0, 487, 489, 1, 0, 0, 0, 488, 484, 1, 0, 0, 0, 489, 492, 1, 0, 0, 0, 490, 488, 1, 0, 0, 0, 490, 491, 1, 0, 0, 0, 491, 494, 1, 0, 0, 0, 492, 490, 1, 0, 0, 0, 493, 482, 1, 0, 0, 0, 493, 494, 1, 0, 0, 0, 494, 495, 1, 0, 0, 0, 495, 497, 5, 8, 0, 0, 496, 481, 1, 0, 0, 0, 496, 497, 1, 0, 0, 0, 497, 498, 1, 0, 0, 0, 498, 499, 6, 27, -1, 0, 499, 55, 1, 0, 0, 0, 500, 501, 6, 28, -1, 0, 501, 513, 5, 11, 0, 0, 502, 503, 3, 46, 23, 0, 503, 510, 6, 28, -1, 0, 504, 505, 5, 3, 0, 0, 505, 506, 3, 46, 23, 0, 506, 507, 6, 28, -1, 0, 507, 509, 1, 0, 0, 0, 508, 504, 1, 0, 0, 0, 509, 512, 1, 0, 0, 0, 510, 508, 1, 0, 0, 0, 510, 511, 1, 0, 0, 0, 511, 514, 1, 0, 0, 0, 512, 510, 1, 0, 0, 0, 513, 502, 1, 0, 0, 0, 513, 514, 1, 0, 0, 0, 514, 515, 1, 0, 0, 0, 515, 516, 5, 12, 0, 0, 516, 517, 6, 28, -1, 0, 517, 57, 1, 0, 0, 0, 518, 519, 6, 29, -1, 0, 519, 531, 5, 9, 0, 0, 520, 521, 3, 46, 23, 0, 521, 528, 6, 29, -1, 0, 522, 523, 5, 3, 0, 0, 523, 524, 3, 46, 23, 0, 524, 525, 6, 29, -1, 0, 525, 527, 1, 0, 0, 0, 526, 522, 1, 0, 0, 0, 527, 530, 1, 0, 0, 0, 528, 526, 1, 0, 0, 0, 528, 529, 1, 0, 0, 0, 529, 532, 1, 0, 0, 0, 530, 528, 1, 0, 0, 0, 531, 520, 1, 0, 0, 0, 531, 532, 1, 0, 0, 0, 532, 533, 1, 0, 0, 0, 533, 534, 5, 10, 0, 0, 534, 535, 6, 29, -1, 0, 535, 59, 1, 0, 0, 0, 536, 537, 5, 35, 0, 0, 537, 538, 3, 18, 9, 0, 538, 539, 5, 36, 0, 0, 539, 540, 3, 62, 31, 0, 540, 541, 5, 37, 0, 0, 541, 542, 6, 30, -1, 0, 542, 61, 1, 0, 0, 0, 543, 544, 6, 31, -1, 0, 544, 545, 3, 64, 32, 0, 545, 552, 6, 31, -1, 0, 546, 547, 5, 38, 0, 0, 547, 548, 3, 64, 32, 0, 548, 549, 6, 31, -1, 0, 549, 551, 1, 0, 0, 0, 550, 546, 1, 0, 0, 0, 551, 554, 1, 0, 0, 0, 552, 550, 1, 0, 0, 0, 552, 553, 1, 0, 0, 0, 553, 63, 1, 0, 0, 0, 554, 552, 1, 0, 0, 0, 555, 556, 6, 32, -1, 0, 556, 557, 3, 46, 23, 0, 557, 558, 6, 32, -1, 0, 558, 559, 5, 39, 0, 0, 559, 560, 3, 2, 1, 0, 560, 561, 6, 32, -1, 0, 561, 562, 6, 32, -1, 0, 562, 65, 1, 0, 0, 0, 563, 564, 5, 44, 0, 0, 564, 568, 6, 33, -1, 0, 565, 566, 5, 43, 0, 0, 566, 568, 6, 33, -1, 0, 567, 563, 1, 0, 0, 0, 567, 565, 1, 0, 0, 0, 568, 67, 1, 0, 0, 0, 40, 80, 86, 91, 101, 107, 120, 132, 137, 145, 159, 173, 186, 192, 201, 216, 228, 286, 298, 301, 316, 319, 335, 338, 341, 353, 366, 374, 408, 433, 439, 474, 490, 493, 496, 510, 513, 528, 531, 552, 567]
\ No newline at end of file
diff --git a/src/main/java/org/programsnail/truffle_lama/parser/LamaNodeFactory.java b/src/main/java/org/programsnail/truffle_lama/parser/LamaNodeFactory.java
index a4a9067..9058b07 100644
--- a/src/main/java/org/programsnail/truffle_lama/parser/LamaNodeFactory.java
+++ b/src/main/java/org/programsnail/truffle_lama/parser/LamaNodeFactory.java
@@ -1,6 +1,5 @@
 package org.programsnail.truffle_lama.parser;
 
-import com.oracle.truffle.api.dsl.Specialization;
 import com.oracle.truffle.api.frame.FrameDescriptor;
 import com.oracle.truffle.api.frame.FrameSlotKind;
 import com.oracle.truffle.api.source.Source;
@@ -9,6 +8,7 @@ import org.antlr.v4.runtime.Token;
 import org.programsnail.truffle_lama.LamaLanguage;
 import org.programsnail.truffle_lama.LamaStrings;
 import org.programsnail.truffle_lama.nodes.LamaExpressionNode;
+import org.programsnail.truffle_lama.nodes.LamaRootNode;
 import org.programsnail.truffle_lama.nodes.controlflow.LamaCaseNode;
 import org.programsnail.truffle_lama.nodes.controlflow.LamaDoWhileNode;
 import org.programsnail.truffle_lama.nodes.controlflow.LamaIfNode;
@@ -132,7 +132,7 @@ public class LamaNodeFactory {
         // ---
 
         public boolean isGlobal() {
-            return outer == null;
+            return top == null;
         }
 
         public boolean isFramed() {
@@ -261,31 +261,102 @@ public class LamaNodeFactory {
     private final Source source;
     private final TruffleString sourceString;
 
-    /* State while parsing an expr. */
     private LexicalScope lexicalScope;
     private final LamaLanguage language;
+    private LamaExpressionNode rootExpr;
+
+    private enum InfixKind {
+        LEFT,
+        RIGHT,
+        NONE,
+    }
+
+    private Map<String, Integer> infixPriorities;
+    private Map<String, InfixKind> infixKinds;
 
     public LamaNodeFactory(LamaLanguage language, Source source) {
         this.language = language;
         this.source = source;
         this.sourceString = LamaStrings.fromJavaString(source.getCharacters().toString());
-        lexicalScope = new LexicalScope(null, LexicalScope.Kind.FUNCTION); // same to top level
+        this.lexicalScope = new LexicalScope(null, LexicalScope.Kind.FUNCTION); // same to top level
+
+        infixPriorities = new HashMap<>();
+        infixKinds = new HashMap<>();
     }
 
     // ---
 
+    public void enterScope() {
+        enterScope(LexicalScope.Kind.INNER_SCOPE);
+    }
+
     public void enterScope(LexicalScope.Kind kind) {
         lexicalScope = new LexicalScope(lexicalScope, kind);
     }
 
     public void exitScope() {
+        // TODO: save vars to clear them & create corresponding scope node ??
         lexicalScope = lexicalScope.getOuter();
     }
 
     // ---
 
+    // TODO: custom infixes: non-0integer indices (at, before, after)
+    // NOTE: very slow implementation, can be optimized
+    LamaExpressionNode createInfixArrayRecursive(List<Token> oprs, List<LamaExpressionNode> exprs) {
+        assert oprs.size() == exprs.size() - 1;
+
+        if (exprs.size() == 1) {
+            return exprs.getFirst();
+        }
+
+        if (exprs.size() == 2) {
+            return createAnyBinopNode(oprs.getFirst(), exprs.getFirst(), exprs.getLast());
+        }
+
+        int splitIndex = 0;
+        {
+            String splitOpr = null;
+            int splitPriority = 0;
+            InfixKind splitKind = null;
+            for (int i = 0; i < oprs.size(); ++i) {
+                String currentSplitOpr = oprs.get(i).getText();
+                if (Objects.equals(splitOpr, currentSplitOpr)) {
+                    if (splitKind == InfixKind.RIGHT) { // TODO: check left or right
+                        splitIndex = i;
+                        continue;
+                    }
+                    if (splitKind == InfixKind.NONE) {
+                        throw new LamaException("Operator '" + splitOpr + "' can't be chained");
+                    }
+                }
+
+                Integer currentSplitPriority = infixPriorities.get(currentSplitOpr);
+                if (currentSplitPriority == null) {
+                    throw new LamaException("Unknown operator '" + splitOpr + "' (split priority)");
+                }
+
+                if (splitOpr == null || currentSplitPriority > splitPriority) { // TODO: check < or >
+                    splitOpr = currentSplitOpr;
+                    splitPriority = currentSplitPriority;
+                    splitKind = infixKinds.get(splitOpr);
+                    if (splitKind == null) {
+                        throw new LamaException("Unknown operator '" + splitOpr + "' (split kind)");
+                    }
+                }
+            }
+        }
+
+        LamaExpressionNode leftExpr = createInfixArrayRecursive(oprs.subList(0, splitIndex), exprs.subList(0, splitIndex + 1));
+        LamaExpressionNode rightExpr = createInfixArrayRecursive(oprs.subList(splitIndex + 1, oprs.size()), exprs.subList(splitIndex + 1, exprs.size()));
+
+        return createAnyBinopNode(oprs.get(splitIndex), leftExpr, rightExpr);
+    }
+
+    // ---
+
     // TODO: add to parser
-    public void AddFunctionArguments(Token[] args) {
+    public void addFunctionArguments(List<Token> args) {
         for (Token arg : args) {
             lexicalScope.addArgument(arg.getText());
         }
@@ -327,7 +398,7 @@ public class LamaNodeFactory {
     public LamaExpressionNode createVarNode(Token token) {
         String name = token.getText();
 
-        int slot = lexicalScope.add(name); // TODO: check if not arg ??
+        int slot = lexicalScope.add(name);
         return addSrcFromToken(lexicalScope.isGlobal() /*global scope*/
                 ? new LamaGlobalVarNode(name)
                 : new LamaLocalVarNode(slot), token);
@@ -340,6 +411,10 @@ public class LamaNodeFactory {
     // TODO: fix assignment in parser
     public LamaExpressionNode createAssignVarNode(Token token, LamaExpressionNode value) {
         var definition = createVarNode(token);
+        if (value == null) {
+            return definition;
+        }
+
         var reference = createRefNode(token);
         var assignment = createAssignNode(reference, value);
         return createSeqNode(definition, assignment);
@@ -353,11 +428,14 @@ public class LamaNodeFactory {
     public LamaExpressionNode createAnyBinopNode(Token opToken, LamaExpressionNode left, LamaExpressionNode right) {
         String op = opToken.getText();
         return switch (op) {
+            // case ":" -> // TODO: cons
             case ":=" -> createAssignNode(left, right);
             case "+", "-", "/", "%",
                  "<", "<=", ">", ">=", "==", "!=",
                  "&&", "!!" -> createBinopNode(opToken, left, right);
-            default -> createCallNode(createRefNode(opToken), new LamaExpressionNode[]{left, right});
+            default -> createCallNode(
+                    createRefNode(opToken),
+                    List.of(new LamaExpressionNode[]{left, right}));
         };
     }
 
@@ -366,6 +444,11 @@ public class LamaNodeFactory {
         return addSrcFromNodes(LamaBinopNodeGen.create(left, right, op), left, right);
     }
 
+    public LamaExpressionNode createElemValueNode(LamaExpressionNode array, LamaExpressionNode index) {
+        // TODO: replace with separate node for more efficiency
+        return createElemRefOrValueNode(array, index, true);
+    }
+
     public LamaExpressionNode createElemRefOrValueNode(LamaExpressionNode array, LamaExpressionNode index, boolean doUnref) {
         return addUnref(createElemRefNode(array, index), doUnref);
     }
@@ -374,8 +457,16 @@ public class LamaNodeFactory {
         return addSrcFromNodes(LamaElemRefNodeGen.create(array, index), array, index);
     }
 
-    public LamaExpressionNode createCallNode(LamaExpressionNode func, LamaExpressionNode[] args) {
-        return addSrcFromNodes(new LamaCallNode(func, args), func, args.length > 0 ? args[args.length - 1] : func);
+    public LamaExpressionNode createCallNode(LamaExpressionNode func, List<LamaExpressionNode> args) {
+        return addSrcFromNodes(
+                new LamaCallNode(func, args.toArray(new LamaExpressionNode[0])),
+                func,
+                args.isEmpty() ? func : args.getLast());
+    }
+
+    public LamaExpressionNode createValueNode(Token token) {
+        // TODO: replace with separate node for more efficiency
+        return createRefOrValueNode(token, true);
     }
 
     public LamaExpressionNode createRefOrValueNode(Token token, boolean doUnref) {
@@ -407,27 +498,28 @@ public class LamaNodeFactory {
         return addSrcFromToken(new LamaSkipNode(), token);
     }
 
-    public LamaExpressionNode createArrayNode(LamaExpressionNode[] elems) {
-        LamaExpressionNode result = new LamaArrayNode(elems);
-        return elems.length > 0 ? addSrcFromNodes(result, elems[0], elems[elems.length - 1]) : result;
+    public LamaExpressionNode createArrayNode(List<LamaExpressionNode> elems) {
+        LamaExpressionNode[] elemsArray = elems.toArray(new LamaExpressionNode[0]);
+        LamaExpressionNode result = new LamaArrayNode(elemsArray);
+        return elems.isEmpty() ? result : addSrcFromNodes(result, elems.getFirst(), elems.getLast());
     }
 
     // sexps-pairs with tag 'cons'
-    public LamaExpressionNode createListSexpNode(LamaExpressionNode[] elems) {
+    public LamaExpressionNode createListSexpNode(List<LamaExpressionNode> elems) {
         LamaExpressionNode result = new LamaConstNode(0);
-        for (int i = elems.length - 1; i >= 0; --i) {
-            result = new LamaSexpNode(LamaStrings.fromJavaString("cons"), new LamaExpressionNode[]{elems[i], result});
+        for (int i = elems.size() - 1; i >= 0; --i) {
+            result = new LamaSexpNode(LamaStrings.fromJavaString("cons"), new LamaExpressionNode[]{elems.get(i), result});
         }
-        return elems.length > 0 ? addSrcFromNodes(result, elems[0], elems[elems.length - 1]) : result;
+        return elems.isEmpty() ? result : addSrcFromNodes(result, elems.getFirst(), elems.getLast());
     }
 
-    public LamaExpressionNode createSexpNode(Token tag, LamaExpressionNode[] elems) {
-        LamaExpressionNode result = new LamaSexpNode(LamaStrings.fromJavaString(tag.getText()), elems);
-        return elems.length > 0 ? addSrcFromNodes(result, elems[0]/*TODO: use tag instead*/, elems[elems.length - 1]) : addSrcFromToken(result, tag);
+    public LamaExpressionNode createSexpNode(Token tag, List<LamaExpressionNode> elems) {
+        LamaExpressionNode result = new LamaSexpNode(LamaStrings.fromJavaString(tag.getText()), elems.toArray(new LamaExpressionNode[0]));
+        return elems.isEmpty() ? addSrcFromToken(result, tag) : addSrcFromTokenAndNode(result, tag, elems.getLast());
     }
 
     public LamaExpressionNode createIfNode(LamaExpressionNode condition, LamaExpressionNode doThen, LamaExpressionNode doElse) {
-        return addSrcFromNodes(new LamaIfNode(condition, doThen, doElse), condition, doElse);
+        return addSrcFromNodes(new LamaIfNode(condition, doThen, doElse), condition, doElse == null ? doThen : doElse);
     }
 
     public LamaExpressionNode createWhileNode(LamaExpressionNode condition, LamaExpressionNode body) {
@@ -438,10 +530,16 @@ public class LamaNodeFactory {
         return addSrcFromNodes(new LamaDoWhileNode(condition, body), condition, body);
     }
 
-    public LamaExpressionNode createCaseNode(LamaExpressionNode value, LamaPattern[] patterns, LamaExpressionNode[] exprs) {
-        assert patterns.length == exprs.length;
-        assert patterns.length > 0;
-        return addSrcFromNodes(new LamaCaseNode(value, patterns, exprs), value, exprs[exprs.length - 1]);
+    public LamaExpressionNode createCaseNode(LamaExpressionNode value, List<LamaPattern> patterns, List<LamaExpressionNode> exprs) {
+        assert patterns.size() == exprs.size();
+        assert !patterns.isEmpty();
+        return addSrcFromNodes(
+                new LamaCaseNode(
+                        value,
+                        patterns.toArray(new LamaPattern[0]),
+                        exprs.toArray(new LamaExpressionNode[0])),
+                value,
+                exprs.getLast());
     }
 
     // ---
@@ -450,19 +548,23 @@ public class LamaNodeFactory {
         return new LamaWildcardPattern();
     }
 
-    public LamaPattern createSexpPattern(Token tag, LamaPattern[] elems) {
-        return new LamaSexpPattern(LamaStrings.fromJavaString(tag.getText()), elems);
+    public LamaPattern createSexpConsPattern(LamaPattern leftElem, LamaPattern rightElem) {
+        return new LamaSexpPattern(LamaStrings.fromJavaString("cons"), new LamaPattern[]{leftElem, rightElem});
     }
 
-    public LamaPattern createArrayPattern(LamaPattern[] elems) {
-        return new LamaArrayPattern(elems);
+    public LamaPattern createSexpPattern(Token tag, List<LamaPattern> elems) {
+        return new LamaSexpPattern(LamaStrings.fromJavaString(tag.getText()), elems.toArray(new LamaPattern[0]));
+    }
+
+    public LamaPattern createArrayPattern(List<LamaPattern> elems) {
+        return new LamaArrayPattern(elems.toArray(new LamaPattern[0]));
     }
 
     // sexps-pairs with tag 'cons'
-    public LamaPattern createListSexpPattern(LamaPattern[] elems) {
+    public LamaPattern createListSexpPattern(List<LamaPattern> elems) {
         LamaPattern result = new LamaConstPattern(0);
-        for (int i = elems.length - 1; i >= 0; --i) {
-            result = new LamaSexpPattern(LamaStrings.fromJavaString("cons"), new LamaPattern[]{elems[i], result});
+        for (int i = elems.size() - 1; i >= 0; --i) {
+            result = new LamaSexpPattern(LamaStrings.fromJavaString("cons"), new LamaPattern[]{elems.get(i), result});
         }
         return result;
     }
@@ -473,6 +575,10 @@ public class LamaNodeFactory {
         return new LamaNamedPattern(frameSlot, pattern);
     }
 
+    public LamaPattern createValueConstPattern(Token token, long value) {
+        return new LamaConstPattern(value);
+    }
+
     public LamaPattern createConstPattern(Token token) {
         return new LamaConstPattern(Long.parseLong(token.getText()));
     }
@@ -547,9 +653,12 @@ public class LamaNodeFactory {
 
     // ---
 
-    public LamaExpressionNode getRootExpr() {
-        // TODO
-        return null;
+    public void setRootExpr(LamaExpressionNode expr) {
+        this.rootExpr = expr;
+    }
+
+    public LamaRootNode getRootExpr() {
+        return new LamaRootNode(language, this.rootExpr);
     }
 
 
diff --git a/src/main/java/org/programsnail/truffle_lama/parser/LamaParser.java b/src/main/java/org/programsnail/truffle_lama/parser/LamaParser.java
index f6ee9c8..d1346eb 100644
--- a/src/main/java/org/programsnail/truffle_lama/parser/LamaParser.java
+++ b/src/main/java/org/programsnail/truffle_lama/parser/LamaParser.java
@@ -6,3387 +6,3814 @@ package org.programsnail.truffle_lama.parser;
 import java.util.Optional;
 import java.util.ArrayList;
 import java.util.List;
-import java.util.Map;
+import java.util.Objects;
 
-import com.oracle.truffle.api.RootCallTarget;
 import com.oracle.truffle.api.source.Source;
 import com.oracle.truffle.api.strings.TruffleString;
 import org.programsnail.truffle_lama.LamaLanguage;
 import org.programsnail.truffle_lama.nodes.LamaExpressionNode;
+import org.programsnail.truffle_lama.nodes.LamaRootNode;
+import org.programsnail.truffle_lama.nodes.pattern.LamaPattern;
 
 import org.antlr.v4.runtime.atn.*;
 import org.antlr.v4.runtime.dfa.DFA;
 import org.antlr.v4.runtime.*;
 import org.antlr.v4.runtime.misc.*;
 import org.antlr.v4.runtime.tree.*;
+
 import java.util.List;
 import java.util.Iterator;
 import java.util.ArrayList;
 
 @SuppressWarnings({"all", "warnings", "unchecked", "unused", "cast", "CheckReturnValue", "this-escape"})
 public class LamaParser extends Parser {
-	static { RuntimeMetaData.checkVersion("4.13.2", RuntimeMetaData.VERSION); }
-
-	protected static final DFA[] _decisionToDFA;
-	protected static final PredictionContextCache _sharedContextCache =
-		new PredictionContextCache();
-	public static final int
-		T__0=1, T__1=2, T__2=3, T__3=4, T__4=5, T__5=6, T__6=7, T__7=8, T__8=9, 
-		T__9=10, T__10=11, T__11=12, T__12=13, T__13=14, T__14=15, T__15=16, T__16=17, 
-		T__17=18, T__18=19, T__19=20, T__20=21, T__21=22, T__22=23, T__23=24, 
-		T__24=25, T__25=26, T__26=27, T__27=28, T__28=29, T__29=30, T__30=31, 
-		T__31=32, T__32=33, T__33=34, T__34=35, T__35=36, T__36=37, T__37=38, 
-		T__38=39, WS=40, COMMENT=41, LINE_COMMENT=42, MINUS=43, INFIX=44, UIDENT=45, 
-		LIDENT=46, CHAR_LITERAL=47, STRING_LITERAL=48, DECIMAL_LITERAL=49, WORD=50;
-	public static final int
-		RULE_lama = 0, RULE_scope_expression = 1, RULE_definition = 2, RULE_variable_definition = 3, 
-		RULE_variable_definition_sequence = 4, RULE_variable_definition_item = 5, 
-		RULE_function_definition = 6, RULE_function_arguments = 7, RULE_function_body = 8, 
-		RULE_expression = 9, RULE_basic_expression = 10, RULE_binary_expression = 11, 
-		RULE_postfix_expression = 12, RULE_postfix = 13, RULE_primary = 14, RULE_array_expression = 15, 
-		RULE_list_expression = 16, RULE_s_expression = 17, RULE_if_expression = 18, 
-		RULE_else_part = 19, RULE_while_do_expression = 20, RULE_do_while_expression = 21, 
-		RULE_for_expression = 22, RULE_pattern = 23, RULE_cons_pattern = 24, RULE_simple_pattern = 25, 
-		RULE_wildcard_pattern = 26, RULE_s_expr_pattern = 27, RULE_array_pattern = 28, 
-		RULE_list_pattern = 29, RULE_case_expression = 30, RULE_case_branches = 31, 
-		RULE_case_branch = 32, RULE_any_infix = 33;
-	private static String[] makeRuleNames() {
-		return new String[] {
-			"lama", "scope_expression", "definition", "variable_definition", "variable_definition_sequence", 
-			"variable_definition_item", "function_definition", "function_arguments", 
-			"function_body", "expression", "basic_expression", "binary_expression", 
-			"postfix_expression", "postfix", "primary", "array_expression", "list_expression", 
-			"s_expression", "if_expression", "else_part", "while_do_expression", 
-			"do_while_expression", "for_expression", "pattern", "cons_pattern", "simple_pattern", 
-			"wildcard_pattern", "s_expr_pattern", "array_pattern", "list_pattern", 
-			"case_expression", "case_branches", "case_branch", "any_infix"
-		};
-	}
-	public static final String[] ruleNames = makeRuleNames();
-
-	private static String[] makeLiteralNames() {
-		return new String[] {
-			null, "'var'", "'public'", "','", "';'", "'='", "'fun'", "'('", "')'", 
-			"'{'", "'}'", "'['", "']'", "'true'", "'false'", "'infix'", "'skip'", 
-			"'if'", "'then'", "'fi'", "'elif'", "'else'", "'while'", "'do'", "'od'", 
-			"'for'", "':'", "'@'", "'#'", "'box'", "'val'", "'str'", "'array'", "'sexp'", 
-			"'_'", "'case'", "'of'", "'esac'", "'|'", "'->'", null, null, null, "'-'"
-		};
-	}
-	private static final String[] _LITERAL_NAMES = makeLiteralNames();
-	private static String[] makeSymbolicNames() {
-		return new String[] {
-			null, null, null, null, null, null, null, null, null, null, null, null, 
-			null, null, null, null, null, null, null, null, null, null, null, null, 
-			null, null, null, null, null, null, null, null, null, null, null, null, 
-			null, null, null, null, "WS", "COMMENT", "LINE_COMMENT", "MINUS", "INFIX", 
-			"UIDENT", "LIDENT", "CHAR_LITERAL", "STRING_LITERAL", "DECIMAL_LITERAL", 
-			"WORD"
-		};
-	}
-	private static final String[] _SYMBOLIC_NAMES = makeSymbolicNames();
-	public static final Vocabulary VOCABULARY = new VocabularyImpl(_LITERAL_NAMES, _SYMBOLIC_NAMES);
-
-	/**
-	 * @deprecated Use {@link #VOCABULARY} instead.
-	 */
-	@Deprecated
-	public static final String[] tokenNames;
-	static {
-		tokenNames = new String[_SYMBOLIC_NAMES.length];
-		for (int i = 0; i < tokenNames.length; i++) {
-			tokenNames[i] = VOCABULARY.getLiteralName(i);
-			if (tokenNames[i] == null) {
-				tokenNames[i] = VOCABULARY.getSymbolicName(i);
-			}
-
-			if (tokenNames[i] == null) {
-				tokenNames[i] = "<INVALID>";
-			}
-		}
-	}
-
-	@Override
-	@Deprecated
-	public String[] getTokenNames() {
-		return tokenNames;
-	}
-
-	@Override
-
-	public Vocabulary getVocabulary() {
-		return VOCABULARY;
-	}
-
-	@Override
-	public String getGrammarFileName() { return "Lama.g4"; }
-
-	@Override
-	public String[] getRuleNames() { return ruleNames; }
-
-	@Override
-	public String getSerializedATN() { return _serializedATN; }
-
-	@Override
-	public ATN getATN() { return _ATN; }
-
-
-	private LamaNodeFactory factory;
-	private Source source;
-
-	private static final class BailoutErrorListener extends BaseErrorListener {
-	    private final Source source;
-	    BailoutErrorListener(Source source) {
-	        this.source = source;
-	    }
-	    @Override
-	    public void syntaxError(Recognizer<?, ?> recognizer, Object offendingSymbol, int line, int charPositionInLine, String msg, RecognitionException e) {
-	        throwParseError(source, line, charPositionInLine, (Token) offendingSymbol, msg);
-	    }
-	}
-
-	public void SemErr(Token token, String message) {
-	    assert token != null;
-	    throwParseError(source, token.getLine(), token.getCharPositionInLine(), token, message);
-	}
-
-	private static void throwParseError(Source source, int line, int charPositionInLine, Token token, String message) {
-	    int col = charPositionInLine + 1;
-	    String location = "-- line " + line + " col " + col + ": ";
-	    int length = token == null ? 1 : Math.max(token.getStopIndex() - token.getStartIndex(), 0);
-	    throw new LamaParseError(source, line, col, length, String.format("Error(s) parsing script:%n" + location + message));
-	}
-
-	public static LamaExpressionNode parseLama(LamaLanguage language, Source source) {
-	    LamaLexer lexer = new LamaLexer(CharStreams.fromString(source.getCharacters().toString()));
-	    LamaParser parser = new LamaParser(new CommonTokenStream(lexer));
-	    lexer.removeErrorListeners();
-	    parser.removeErrorListeners();
-	    BailoutErrorListener listener = new BailoutErrorListener(source);
-	    lexer.addErrorListener(listener);
-	    parser.addErrorListener(listener);
-	    parser.factory = new LamaNodeFactory(language, source);
-	    parser.source = source;
-	    parser.lama();
-	    return parser.factory.getRootExpr();
-	}
-
-	public LamaParser(TokenStream input) {
-		super(input);
-		_interp = new ParserATNSimulator(this,_ATN,_decisionToDFA,_sharedContextCache);
-	}
-
-	@SuppressWarnings("CheckReturnValue")
-	public static class LamaContext extends ParserRuleContext {
-		public LamaExpressionNode result;
-		public Scope_expressionContext scope_expression;
-		public Scope_expressionContext scope_expression() {
-			return getRuleContext(Scope_expressionContext.class,0);
-		}
-		public TerminalNode EOF() { return getToken(LamaParser.EOF, 0); }
-		public LamaContext(ParserRuleContext parent, int invokingState) {
-			super(parent, invokingState);
-		}
-		@Override public int getRuleIndex() { return RULE_lama; }
-		@Override
-		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).enterLama(this);
-		}
-		@Override
-		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).exitLama(this);
-		}
-		@Override
-		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
-			if ( visitor instanceof LamaVisitor ) return ((LamaVisitor<? extends T>)visitor).visitLama(this);
-			else return visitor.visitChildren(this);
-		}
-	}
-
-	public final LamaContext lama() throws RecognitionException {
-		LamaContext _localctx = new LamaContext(_ctx, getState());
-		enterRule(_localctx, 0, RULE_lama);
-		try {
-			enterOuterAlt(_localctx, 1);
-			{
-			setState(68);
-			((LamaContext)_localctx).scope_expression = scope_expression();
-			 ((LamaContext)_localctx).result =  ((LamaContext)_localctx).scope_expression.result; 
-			setState(70);
-			match(EOF);
-			}
-		}
-		catch (RecognitionException re) {
-			_localctx.exception = re;
-			_errHandler.reportError(this, re);
-			_errHandler.recover(this, re);
-		}
-		finally {
-			exitRule();
-		}
-		return _localctx;
-	}
-
-	@SuppressWarnings("CheckReturnValue")
-	public static class Scope_expressionContext extends ParserRuleContext {
-		public LamaExpressionNode result;
-		public ExpressionContext expression;
-		public List<DefinitionContext> definition() {
-			return getRuleContexts(DefinitionContext.class);
-		}
-		public DefinitionContext definition(int i) {
-			return getRuleContext(DefinitionContext.class,i);
-		}
-		public ExpressionContext expression() {
-			return getRuleContext(ExpressionContext.class,0);
-		}
-		public Scope_expressionContext(ParserRuleContext parent, int invokingState) {
-			super(parent, invokingState);
-		}
-		@Override public int getRuleIndex() { return RULE_scope_expression; }
-		@Override
-		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).enterScope_expression(this);
-		}
-		@Override
-		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).exitScope_expression(this);
-		}
-		@Override
-		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
-			if ( visitor instanceof LamaVisitor ) return ((LamaVisitor<? extends T>)visitor).visitScope_expression(this);
-			else return visitor.visitChildren(this);
-		}
-	}
-
-	public final Scope_expressionContext scope_expression() throws RecognitionException {
-		Scope_expressionContext _localctx = new Scope_expressionContext(_ctx, getState());
-		enterRule(_localctx, 2, RULE_scope_expression);
-		try {
-			int _alt;
-			setState(90);
-			_errHandler.sync(this);
-			switch ( getInterpreter().adaptivePredict(_input,2,_ctx) ) {
-			case 1:
-				enterOuterAlt(_localctx, 1);
-				{
-				setState(72);
-				definition();
-				 ((Scope_expressionContext)_localctx).result =  ((Scope_expressionContext)_localctx).expression.result; 
-				setState(79);
-				_errHandler.sync(this);
-				_alt = getInterpreter().adaptivePredict(_input,0,_ctx);
-				while ( _alt!=2 && _alt!= ATN.INVALID_ALT_NUMBER ) {
-					if ( _alt==1 ) {
-						{
-						{
-						setState(74);
-						definition();
-						 ((Scope_expressionContext)_localctx).result =  factory.createSeqNode(_localctx.result, ((Scope_expressionContext)_localctx).expression.result); 
-						}
-						} 
-					}
-					setState(81);
-					_errHandler.sync(this);
-					_alt = getInterpreter().adaptivePredict(_input,0,_ctx);
-				}
-				setState(85);
-				_errHandler.sync(this);
-				switch ( getInterpreter().adaptivePredict(_input,1,_ctx) ) {
-				case 1:
-					{
-					setState(82);
-					((Scope_expressionContext)_localctx).expression = expression();
-					 ((Scope_expressionContext)_localctx).result =  factory.createSeqNode(_localctx.result, ((Scope_expressionContext)_localctx).expression.result); 
-					}
-					break;
-				}
-				}
-				break;
-			case 2:
-				enterOuterAlt(_localctx, 2);
-				{
-				setState(87);
-				((Scope_expressionContext)_localctx).expression = expression();
-				 ((Scope_expressionContext)_localctx).result =  ((Scope_expressionContext)_localctx).expression.result; 
-				}
-				break;
-			}
-		}
-		catch (RecognitionException re) {
-			_localctx.exception = re;
-			_errHandler.reportError(this, re);
-			_errHandler.recover(this, re);
-		}
-		finally {
-			exitRule();
-		}
-		return _localctx;
-	}
-
-	@SuppressWarnings("CheckReturnValue")
-	public static class DefinitionContext extends ParserRuleContext {
-		public LamaExpressionNode result;
-		public Variable_definitionContext variable_definition;
-		public Function_definitionContext function_definition;
-		public Variable_definitionContext variable_definition() {
-			return getRuleContext(Variable_definitionContext.class,0);
-		}
-		public Function_definitionContext function_definition() {
-			return getRuleContext(Function_definitionContext.class,0);
-		}
-		public DefinitionContext(ParserRuleContext parent, int invokingState) {
-			super(parent, invokingState);
-		}
-		@Override public int getRuleIndex() { return RULE_definition; }
-		@Override
-		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).enterDefinition(this);
-		}
-		@Override
-		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).exitDefinition(this);
-		}
-		@Override
-		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
-			if ( visitor instanceof LamaVisitor ) return ((LamaVisitor<? extends T>)visitor).visitDefinition(this);
-			else return visitor.visitChildren(this);
-		}
-	}
-
-	public final DefinitionContext definition() throws RecognitionException {
-		DefinitionContext _localctx = new DefinitionContext(_ctx, getState());
-		enterRule(_localctx, 4, RULE_definition);
-		try {
-			setState(98);
-			_errHandler.sync(this);
-			switch ( getInterpreter().adaptivePredict(_input,3,_ctx) ) {
-			case 1:
-				enterOuterAlt(_localctx, 1);
-				{
-				setState(92);
-				((DefinitionContext)_localctx).variable_definition = variable_definition();
-				 ((DefinitionContext)_localctx).result =  ((DefinitionContext)_localctx).variable_definition.result; 
-				}
-				break;
-			case 2:
-				enterOuterAlt(_localctx, 2);
-				{
-				setState(95);
-				((DefinitionContext)_localctx).function_definition = function_definition();
-				 ((DefinitionContext)_localctx).result =  ((DefinitionContext)_localctx).function_definition.result; 
-				}
-				break;
-			}
-		}
-		catch (RecognitionException re) {
-			_localctx.exception = re;
-			_errHandler.reportError(this, re);
-			_errHandler.recover(this, re);
-		}
-		finally {
-			exitRule();
-		}
-		return _localctx;
-	}
-
-	@SuppressWarnings("CheckReturnValue")
-	public static class Variable_definitionContext extends ParserRuleContext {
-		public LamaExpressionNode result;
-		public Variable_definition_sequenceContext variable_definition_sequence;
-		public Variable_definition_sequenceContext variable_definition_sequence() {
-			return getRuleContext(Variable_definition_sequenceContext.class,0);
-		}
-		public Variable_definitionContext(ParserRuleContext parent, int invokingState) {
-			super(parent, invokingState);
-		}
-		@Override public int getRuleIndex() { return RULE_variable_definition; }
-		@Override
-		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).enterVariable_definition(this);
-		}
-		@Override
-		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).exitVariable_definition(this);
-		}
-		@Override
-		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
-			if ( visitor instanceof LamaVisitor ) return ((LamaVisitor<? extends T>)visitor).visitVariable_definition(this);
-			else return visitor.visitChildren(this);
-		}
-	}
-
-	public final Variable_definitionContext variable_definition() throws RecognitionException {
-		Variable_definitionContext _localctx = new Variable_definitionContext(_ctx, getState());
-		enterRule(_localctx, 6, RULE_variable_definition);
-		try {
-			enterOuterAlt(_localctx, 1);
-			{
-			 boolean is_public = false; 
-			setState(104);
-			_errHandler.sync(this);
-			switch (_input.LA(1)) {
-			case T__0:
-				{
-				setState(101);
-				match(T__0);
-				}
-				break;
-			case T__1:
-				{
-				setState(102);
-				match(T__1);
-				 is_public = true; 
-				}
-				break;
-			default:
-				throw new NoViableAltException(this);
-			}
-			setState(106);
-			((Variable_definitionContext)_localctx).variable_definition_sequence = variable_definition_sequence(is_public);
-			 ((Variable_definitionContext)_localctx).result =  ((Variable_definitionContext)_localctx).variable_definition_sequence.result; 
-			}
-		}
-		catch (RecognitionException re) {
-			_localctx.exception = re;
-			_errHandler.reportError(this, re);
-			_errHandler.recover(this, re);
-		}
-		finally {
-			exitRule();
-		}
-		return _localctx;
-	}
-
-	@SuppressWarnings("CheckReturnValue")
-	public static class Variable_definition_sequenceContext extends ParserRuleContext {
-		public boolean is_public;
-		public LamaExpressionNode result;
-		public Variable_definition_itemContext variable_definition_item;
-		public List<Variable_definition_itemContext> variable_definition_item() {
-			return getRuleContexts(Variable_definition_itemContext.class);
-		}
-		public Variable_definition_itemContext variable_definition_item(int i) {
-			return getRuleContext(Variable_definition_itemContext.class,i);
-		}
-		public Variable_definition_sequenceContext(ParserRuleContext parent, int invokingState) { super(parent, invokingState); }
-		public Variable_definition_sequenceContext(ParserRuleContext parent, int invokingState, boolean is_public) {
-			super(parent, invokingState);
-			this.is_public = is_public;
-		}
-		@Override public int getRuleIndex() { return RULE_variable_definition_sequence; }
-		@Override
-		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).enterVariable_definition_sequence(this);
-		}
-		@Override
-		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).exitVariable_definition_sequence(this);
-		}
-		@Override
-		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
-			if ( visitor instanceof LamaVisitor ) return ((LamaVisitor<? extends T>)visitor).visitVariable_definition_sequence(this);
-			else return visitor.visitChildren(this);
-		}
-	}
-
-	public final Variable_definition_sequenceContext variable_definition_sequence(boolean is_public) throws RecognitionException {
-		Variable_definition_sequenceContext _localctx = new Variable_definition_sequenceContext(_ctx, getState(), is_public);
-		enterRule(_localctx, 8, RULE_variable_definition_sequence);
-		int _la;
-		try {
-			enterOuterAlt(_localctx, 1);
-			{
-			setState(109);
-			((Variable_definition_sequenceContext)_localctx).variable_definition_item = variable_definition_item();
-			 ((Variable_definition_sequenceContext)_localctx).result =  factory.createVarNode(((Variable_definition_sequenceContext)_localctx).variable_definition_item.name, ((Variable_definition_sequenceContext)_localctx).variable_definition_item.expr); 
-			setState(117);
-			_errHandler.sync(this);
-			_la = _input.LA(1);
-			while (_la==T__2) {
-				{
-				{
-				setState(111);
-				match(T__2);
-				setState(112);
-				((Variable_definition_sequenceContext)_localctx).variable_definition_item = variable_definition_item();
-				 ((Variable_definition_sequenceContext)_localctx).result =  factory.createSeqNode(_localctx.result, factory.createVarNode(((Variable_definition_sequenceContext)_localctx).variable_definition_item.name, ((Variable_definition_sequenceContext)_localctx).variable_definition_item.expr)); 
-				}
-				}
-				setState(119);
-				_errHandler.sync(this);
-				_la = _input.LA(1);
-			}
-			setState(120);
-			match(T__3);
-			}
-		}
-		catch (RecognitionException re) {
-			_localctx.exception = re;
-			_errHandler.reportError(this, re);
-			_errHandler.recover(this, re);
-		}
-		finally {
-			exitRule();
-		}
-		return _localctx;
-	}
-
-	@SuppressWarnings("CheckReturnValue")
-	public static class Variable_definition_itemContext extends ParserRuleContext {
-		public TruffleString name;
-		public Optional<LamaExpressionNode> expr;
-		public Token LIDENT;
-		public Basic_expressionContext basic_expression;
-		public TerminalNode LIDENT() { return getToken(LamaParser.LIDENT, 0); }
-		public Basic_expressionContext basic_expression() {
-			return getRuleContext(Basic_expressionContext.class,0);
-		}
-		public Variable_definition_itemContext(ParserRuleContext parent, int invokingState) {
-			super(parent, invokingState);
-		}
-		@Override public int getRuleIndex() { return RULE_variable_definition_item; }
-		@Override
-		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).enterVariable_definition_item(this);
-		}
-		@Override
-		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).exitVariable_definition_item(this);
-		}
-		@Override
-		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
-			if ( visitor instanceof LamaVisitor ) return ((LamaVisitor<? extends T>)visitor).visitVariable_definition_item(this);
-			else return visitor.visitChildren(this);
-		}
-	}
-
-	public final Variable_definition_itemContext variable_definition_item() throws RecognitionException {
-		Variable_definition_itemContext _localctx = new Variable_definition_itemContext(_ctx, getState());
-		enterRule(_localctx, 10, RULE_variable_definition_item);
-		int _la;
-		try {
-			enterOuterAlt(_localctx, 1);
-			{
-			 ((Variable_definition_itemContext)_localctx).expr =  Optional.empty(); 
-			setState(123);
-			((Variable_definition_itemContext)_localctx).LIDENT = match(LIDENT);
-			 ((Variable_definition_itemContext)_localctx).name =  ((Variable_definition_itemContext)_localctx).LIDENT; 
-			setState(129);
-			_errHandler.sync(this);
-			_la = _input.LA(1);
-			if (_la==T__4) {
-				{
-				setState(125);
-				match(T__4);
-				setState(126);
-				((Variable_definition_itemContext)_localctx).basic_expression = basic_expression();
-				 ((Variable_definition_itemContext)_localctx).expr =  Optional.of(((Variable_definition_itemContext)_localctx).basic_expression.result); 
-				}
-			}
-
-			}
-		}
-		catch (RecognitionException re) {
-			_localctx.exception = re;
-			_errHandler.reportError(this, re);
-			_errHandler.recover(this, re);
-		}
-		finally {
-			exitRule();
-		}
-		return _localctx;
-	}
-
-	@SuppressWarnings("CheckReturnValue")
-	public static class Function_definitionContext extends ParserRuleContext {
-		public LamaExpressionNode result;
-		public Token LIDENT;
-		public Function_argumentsContext function_arguments;
-		public Function_bodyContext function_body;
-		public TerminalNode LIDENT() { return getToken(LamaParser.LIDENT, 0); }
-		public Function_bodyContext function_body() {
-			return getRuleContext(Function_bodyContext.class,0);
-		}
-		public Function_argumentsContext function_arguments() {
-			return getRuleContext(Function_argumentsContext.class,0);
-		}
-		public Function_definitionContext(ParserRuleContext parent, int invokingState) {
-			super(parent, invokingState);
-		}
-		@Override public int getRuleIndex() { return RULE_function_definition; }
-		@Override
-		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).enterFunction_definition(this);
-		}
-		@Override
-		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).exitFunction_definition(this);
-		}
-		@Override
-		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
-			if ( visitor instanceof LamaVisitor ) return ((LamaVisitor<? extends T>)visitor).visitFunction_definition(this);
-			else return visitor.visitChildren(this);
-		}
-	}
-
-	public final Function_definitionContext function_definition() throws RecognitionException {
-		Function_definitionContext _localctx = new Function_definitionContext(_ctx, getState());
-		enterRule(_localctx, 12, RULE_function_definition);
-		int _la;
-		try {
-			enterOuterAlt(_localctx, 1);
-			{
-			 boolean is_public = false; 
-			setState(134);
-			_errHandler.sync(this);
-			_la = _input.LA(1);
-			if (_la==T__1) {
-				{
-				setState(132);
-				match(T__1);
-				 is_public = true; 
-				}
-			}
-
-			setState(136);
-			match(T__5);
-			setState(137);
-			((Function_definitionContext)_localctx).LIDENT = match(LIDENT);
-			setState(138);
-			match(T__6);
-			setState(140);
-			_errHandler.sync(this);
-			_la = _input.LA(1);
-			if (_la==LIDENT) {
-				{
-				setState(139);
-				((Function_definitionContext)_localctx).function_arguments = function_arguments();
-				}
-			}
-
-			setState(142);
-			match(T__7);
-			setState(143);
-			((Function_definitionContext)_localctx).function_body = function_body();
-			 ((Function_definitionContext)_localctx).result =  factory.defineFunction(((Function_definitionContext)_localctx).LIDENT, ((Function_definitionContext)_localctx).function_arguments.args, ((Function_definitionContext)_localctx).function_body.result); 
-			}
-		}
-		catch (RecognitionException re) {
-			_localctx.exception = re;
-			_errHandler.reportError(this, re);
-			_errHandler.recover(this, re);
-		}
-		finally {
-			exitRule();
-		}
-		return _localctx;
-	}
-
-	@SuppressWarnings("CheckReturnValue")
-	public static class Function_argumentsContext extends ParserRuleContext {
-		public List<TruffleString> args;
-		public Token LIDENT;
-		public List<TerminalNode> LIDENT() { return getTokens(LamaParser.LIDENT); }
-		public TerminalNode LIDENT(int i) {
-			return getToken(LamaParser.LIDENT, i);
-		}
-		public Function_argumentsContext(ParserRuleContext parent, int invokingState) {
-			super(parent, invokingState);
-		}
-		@Override public int getRuleIndex() { return RULE_function_arguments; }
-		@Override
-		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).enterFunction_arguments(this);
-		}
-		@Override
-		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).exitFunction_arguments(this);
-		}
-		@Override
-		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
-			if ( visitor instanceof LamaVisitor ) return ((LamaVisitor<? extends T>)visitor).visitFunction_arguments(this);
-			else return visitor.visitChildren(this);
-		}
-	}
-
-	public final Function_argumentsContext function_arguments() throws RecognitionException {
-		Function_argumentsContext _localctx = new Function_argumentsContext(_ctx, getState());
-		enterRule(_localctx, 14, RULE_function_arguments);
-		int _la;
-		try {
-			enterOuterAlt(_localctx, 1);
-			{
-			 ((Function_argumentsContext)_localctx).args =  new ArrayList<TruffleString>(); 
-			setState(147);
-			((Function_argumentsContext)_localctx).LIDENT = match(LIDENT);
-			 _localctx.args.addLast(((Function_argumentsContext)_localctx).LIDENT); 
-			setState(154);
-			_errHandler.sync(this);
-			_la = _input.LA(1);
-			while (_la==T__2) {
-				{
-				{
-				setState(149);
-				match(T__2);
-				setState(150);
-				((Function_argumentsContext)_localctx).LIDENT = match(LIDENT);
-				 _localctx.args.addLast(((Function_argumentsContext)_localctx).LIDENT); 
-				}
-				}
-				setState(156);
-				_errHandler.sync(this);
-				_la = _input.LA(1);
-			}
-			}
-		}
-		catch (RecognitionException re) {
-			_localctx.exception = re;
-			_errHandler.reportError(this, re);
-			_errHandler.recover(this, re);
-		}
-		finally {
-			exitRule();
-		}
-		return _localctx;
-	}
-
-	@SuppressWarnings("CheckReturnValue")
-	public static class Function_bodyContext extends ParserRuleContext {
-		public LamaExpressionNode result;
-		public Scope_expressionContext scope_expression;
-		public Scope_expressionContext scope_expression() {
-			return getRuleContext(Scope_expressionContext.class,0);
-		}
-		public Function_bodyContext(ParserRuleContext parent, int invokingState) {
-			super(parent, invokingState);
-		}
-		@Override public int getRuleIndex() { return RULE_function_body; }
-		@Override
-		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).enterFunction_body(this);
-		}
-		@Override
-		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).exitFunction_body(this);
-		}
-		@Override
-		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
-			if ( visitor instanceof LamaVisitor ) return ((LamaVisitor<? extends T>)visitor).visitFunction_body(this);
-			else return visitor.visitChildren(this);
-		}
-	}
-
-	public final Function_bodyContext function_body() throws RecognitionException {
-		Function_bodyContext _localctx = new Function_bodyContext(_ctx, getState());
-		enterRule(_localctx, 16, RULE_function_body);
-		try {
-			enterOuterAlt(_localctx, 1);
-			{
-			setState(157);
-			match(T__8);
-			setState(158);
-			((Function_bodyContext)_localctx).scope_expression = scope_expression();
-			 ((Function_bodyContext)_localctx).result =  ((Function_bodyContext)_localctx).scope_expression.result; 
-			setState(160);
-			match(T__9);
-			}
-		}
-		catch (RecognitionException re) {
-			_localctx.exception = re;
-			_errHandler.reportError(this, re);
-			_errHandler.recover(this, re);
-		}
-		finally {
-			exitRule();
-		}
-		return _localctx;
-	}
-
-	@SuppressWarnings("CheckReturnValue")
-	public static class ExpressionContext extends ParserRuleContext {
-		public LamaExpressionNode result;
-		public Basic_expressionContext basic_expression;
-		public ExpressionContext expression;
-		public Basic_expressionContext basic_expression() {
-			return getRuleContext(Basic_expressionContext.class,0);
-		}
-		public ExpressionContext expression() {
-			return getRuleContext(ExpressionContext.class,0);
-		}
-		public ExpressionContext(ParserRuleContext parent, int invokingState) {
-			super(parent, invokingState);
-		}
-		@Override public int getRuleIndex() { return RULE_expression; }
-		@Override
-		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).enterExpression(this);
-		}
-		@Override
-		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).exitExpression(this);
-		}
-		@Override
-		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
-			if ( visitor instanceof LamaVisitor ) return ((LamaVisitor<? extends T>)visitor).visitExpression(this);
-			else return visitor.visitChildren(this);
-		}
-	}
-
-	public final ExpressionContext expression() throws RecognitionException {
-		ExpressionContext _localctx = new ExpressionContext(_ctx, getState());
-		enterRule(_localctx, 18, RULE_expression);
-		int _la;
-		try {
-			enterOuterAlt(_localctx, 1);
-			{
-			setState(162);
-			((ExpressionContext)_localctx).basic_expression = basic_expression();
-			 ((ExpressionContext)_localctx).result =  ((ExpressionContext)_localctx).basic_expression.result; 
-			setState(168);
-			_errHandler.sync(this);
-			_la = _input.LA(1);
-			if (_la==T__3) {
-				{
-				setState(164);
-				match(T__3);
-				setState(165);
-				((ExpressionContext)_localctx).expression = expression();
-				 ((ExpressionContext)_localctx).result =  factory.createSeqNode(_localctx.result, ((ExpressionContext)_localctx).expression.result); 
-				}
-			}
-
-			}
-		}
-		catch (RecognitionException re) {
-			_localctx.exception = re;
-			_errHandler.reportError(this, re);
-			_errHandler.recover(this, re);
-		}
-		finally {
-			exitRule();
-		}
-		return _localctx;
-	}
-
-	@SuppressWarnings("CheckReturnValue")
-	public static class Basic_expressionContext extends ParserRuleContext {
-		public LamaExpressionNode result;
-		public Binary_expressionContext binary_expression;
-		public Binary_expressionContext binary_expression() {
-			return getRuleContext(Binary_expressionContext.class,0);
-		}
-		public Basic_expressionContext(ParserRuleContext parent, int invokingState) {
-			super(parent, invokingState);
-		}
-		@Override public int getRuleIndex() { return RULE_basic_expression; }
-		@Override
-		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).enterBasic_expression(this);
-		}
-		@Override
-		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).exitBasic_expression(this);
-		}
-		@Override
-		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
-			if ( visitor instanceof LamaVisitor ) return ((LamaVisitor<? extends T>)visitor).visitBasic_expression(this);
-			else return visitor.visitChildren(this);
-		}
-	}
-
-	public final Basic_expressionContext basic_expression() throws RecognitionException {
-		Basic_expressionContext _localctx = new Basic_expressionContext(_ctx, getState());
-		enterRule(_localctx, 20, RULE_basic_expression);
-		try {
-			enterOuterAlt(_localctx, 1);
-			{
-			setState(170);
-			((Basic_expressionContext)_localctx).binary_expression = binary_expression();
-			 ((Basic_expressionContext)_localctx).result =  ((Basic_expressionContext)_localctx).binary_expression.result; 
-			}
-		}
-		catch (RecognitionException re) {
-			_localctx.exception = re;
-			_errHandler.reportError(this, re);
-			_errHandler.recover(this, re);
-		}
-		finally {
-			exitRule();
-		}
-		return _localctx;
-	}
-
-	@SuppressWarnings("CheckReturnValue")
-	public static class Binary_expressionContext extends ParserRuleContext {
-		public LamaExpressionNode result;
-		public Postfix_expressionContext postfix_expression;
-		public Any_infixContext any_infix;
-		public List<Postfix_expressionContext> postfix_expression() {
-			return getRuleContexts(Postfix_expressionContext.class);
-		}
-		public Postfix_expressionContext postfix_expression(int i) {
-			return getRuleContext(Postfix_expressionContext.class,i);
-		}
-		public List<Any_infixContext> any_infix() {
-			return getRuleContexts(Any_infixContext.class);
-		}
-		public Any_infixContext any_infix(int i) {
-			return getRuleContext(Any_infixContext.class,i);
-		}
-		public Binary_expressionContext(ParserRuleContext parent, int invokingState) {
-			super(parent, invokingState);
-		}
-		@Override public int getRuleIndex() { return RULE_binary_expression; }
-		@Override
-		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).enterBinary_expression(this);
-		}
-		@Override
-		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).exitBinary_expression(this);
-		}
-		@Override
-		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
-			if ( visitor instanceof LamaVisitor ) return ((LamaVisitor<? extends T>)visitor).visitBinary_expression(this);
-			else return visitor.visitChildren(this);
-		}
-	}
-
-	public final Binary_expressionContext binary_expression() throws RecognitionException {
-		Binary_expressionContext _localctx = new Binary_expressionContext(_ctx, getState());
-		enterRule(_localctx, 22, RULE_binary_expression);
-		int _la;
-		try {
-			enterOuterAlt(_localctx, 1);
-			{
-			setState(173);
-			((Binary_expressionContext)_localctx).postfix_expression = postfix_expression();
-			 ((Binary_expressionContext)_localctx).result =  ((Binary_expressionContext)_localctx).postfix_expression.result; 
-			setState(181);
-			_errHandler.sync(this);
-			_la = _input.LA(1);
-			while (_la==MINUS || _la==INFIX) {
-				{
-				{
-				setState(175);
-				((Binary_expressionContext)_localctx).any_infix = any_infix();
-				setState(176);
-				((Binary_expressionContext)_localctx).postfix_expression = postfix_expression();
-				 ((Binary_expressionContext)_localctx).result =  factory.createBinopNode(((Binary_expressionContext)_localctx).any_infix.result, _localctx.result, ((Binary_expressionContext)_localctx).postfix_expression.result); 
-				}
-				}
-				setState(183);
-				_errHandler.sync(this);
-				_la = _input.LA(1);
-			}
-			}
-		}
-		catch (RecognitionException re) {
-			_localctx.exception = re;
-			_errHandler.reportError(this, re);
-			_errHandler.recover(this, re);
-		}
-		finally {
-			exitRule();
-		}
-		return _localctx;
-	}
-
-	@SuppressWarnings("CheckReturnValue")
-	public static class Postfix_expressionContext extends ParserRuleContext {
-		public LamaExpressionNode result;
-		public PrimaryContext primary;
-		public PostfixContext postfix;
-		public PrimaryContext primary() {
-			return getRuleContext(PrimaryContext.class,0);
-		}
-		public TerminalNode MINUS() { return getToken(LamaParser.MINUS, 0); }
-		public List<PostfixContext> postfix() {
-			return getRuleContexts(PostfixContext.class);
-		}
-		public PostfixContext postfix(int i) {
-			return getRuleContext(PostfixContext.class,i);
-		}
-		public Postfix_expressionContext(ParserRuleContext parent, int invokingState) {
-			super(parent, invokingState);
-		}
-		@Override public int getRuleIndex() { return RULE_postfix_expression; }
-		@Override
-		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).enterPostfix_expression(this);
-		}
-		@Override
-		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).exitPostfix_expression(this);
-		}
-		@Override
-		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
-			if ( visitor instanceof LamaVisitor ) return ((LamaVisitor<? extends T>)visitor).visitPostfix_expression(this);
-			else return visitor.visitChildren(this);
-		}
-	}
-
-	public final Postfix_expressionContext postfix_expression() throws RecognitionException {
-		Postfix_expressionContext _localctx = new Postfix_expressionContext(_ctx, getState());
-		enterRule(_localctx, 24, RULE_postfix_expression);
-		int _la;
-		try {
-			enterOuterAlt(_localctx, 1);
-			{
-			 boolean with_minus = false; 
-			setState(187);
-			_errHandler.sync(this);
-			_la = _input.LA(1);
-			if (_la==MINUS) {
-				{
-				setState(185);
-				match(MINUS);
-				 with_minus = true; 
-				}
-			}
-
-			setState(189);
-			((Postfix_expressionContext)_localctx).primary = primary();
-			 ((Postfix_expressionContext)_localctx).result =  ((Postfix_expressionContext)_localctx).primary.result; 
-			setState(196);
-			_errHandler.sync(this);
-			_la = _input.LA(1);
-			while (_la==T__6 || _la==T__10) {
-				{
-				{
-				setState(191);
-				((Postfix_expressionContext)_localctx).postfix = postfix();
-
-				            if (((Postfix_expressionContext)_localctx).postfix.access_index.isPresent()) {
-				                ((Postfix_expressionContext)_localctx).result =  factory.createElemNode(_localctx.result, (((Postfix_expressionContext)_localctx).postfix.access_index.get())); // TODO: or RefElem node
-				            } else {
-				                ((Postfix_expressionContext)_localctx).result =  factory.createCallNode(_localctx.result, ((Postfix_expressionContext)_localctx).postfix.args);
-				            }
-				        
-				}
-				}
-				setState(198);
-				_errHandler.sync(this);
-				_la = _input.LA(1);
-			}
-			}
-		}
-		catch (RecognitionException re) {
-			_localctx.exception = re;
-			_errHandler.reportError(this, re);
-			_errHandler.recover(this, re);
-		}
-		finally {
-			exitRule();
-		}
-		return _localctx;
-	}
-
-	@SuppressWarnings("CheckReturnValue")
-	public static class PostfixContext extends ParserRuleContext {
-		public List<LamaExpressionNode> args;
-		public Optional<LamaExpressionNode> access_index;
-		public ExpressionContext expression;
-		public List<ExpressionContext> expression() {
-			return getRuleContexts(ExpressionContext.class);
-		}
-		public ExpressionContext expression(int i) {
-			return getRuleContext(ExpressionContext.class,i);
-		}
-		public PostfixContext(ParserRuleContext parent, int invokingState) {
-			super(parent, invokingState);
-		}
-		@Override public int getRuleIndex() { return RULE_postfix; }
-		@Override
-		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).enterPostfix(this);
-		}
-		@Override
-		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).exitPostfix(this);
-		}
-		@Override
-		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
-			if ( visitor instanceof LamaVisitor ) return ((LamaVisitor<? extends T>)visitor).visitPostfix(this);
-			else return visitor.visitChildren(this);
-		}
-	}
-
-	public final PostfixContext postfix() throws RecognitionException {
-		PostfixContext _localctx = new PostfixContext(_ctx, getState());
-		enterRule(_localctx, 26, RULE_postfix);
-		int _la;
-		try {
-			setState(221);
-			_errHandler.sync(this);
-			switch ( getInterpreter().adaptivePredict(_input,15,_ctx) ) {
-			case 1:
-				enterOuterAlt(_localctx, 1);
-				{
-				 ((PostfixContext)_localctx).args =  new ArrayList<LamaExpressionNode>(); ((PostfixContext)_localctx).access_index =  Option.empty(); 
-				setState(200);
-				match(T__6);
-				setState(201);
-				((PostfixContext)_localctx).expression = expression();
-				 _localctx.args.addLast(((PostfixContext)_localctx).expression.result); 
-				setState(209);
-				_errHandler.sync(this);
-				_la = _input.LA(1);
-				while (_la==T__2) {
-					{
-					{
-					setState(203);
-					match(T__2);
-					setState(204);
-					((PostfixContext)_localctx).expression = expression();
-					 _localctx.args.addLast(((PostfixContext)_localctx).expression.result); 
-					}
-					}
-					setState(211);
-					_errHandler.sync(this);
-					_la = _input.LA(1);
-				}
-				setState(212);
-				match(T__7);
-				}
-				break;
-			case 2:
-				enterOuterAlt(_localctx, 2);
-				{
-				setState(214);
-				match(T__6);
-				setState(215);
-				match(T__7);
-				}
-				break;
-			case 3:
-				enterOuterAlt(_localctx, 3);
-				{
-				setState(216);
-				match(T__10);
-				setState(217);
-				((PostfixContext)_localctx).expression = expression();
-				 ((PostfixContext)_localctx).access_index =  Option.of(((PostfixContext)_localctx).expression.result); 
-				setState(219);
-				match(T__11);
-				}
-				break;
-			}
-		}
-		catch (RecognitionException re) {
-			_localctx.exception = re;
-			_errHandler.reportError(this, re);
-			_errHandler.recover(this, re);
-		}
-		finally {
-			exitRule();
-		}
-		return _localctx;
-	}
-
-	@SuppressWarnings("CheckReturnValue")
-	public static class PrimaryContext extends ParserRuleContext {
-		public LamaExpressionNode result;
-		public Token DECIMAL_LITERAL;
-		public Token STRING_LITERAL;
-		public Token CHAR_LITERAL;
-		public Token LIDENT;
-		public Any_infixContext any_infix;
-		public Function_argumentsContext function_arguments;
-		public Function_bodyContext function_body;
-		public Scope_expressionContext scope_expression;
-		public List_expressionContext list_expression;
-		public Array_expressionContext array_expression;
-		public S_expressionContext s_expression;
-		public If_expressionContext if_expression;
-		public While_do_expressionContext while_do_expression;
-		public Do_while_expressionContext do_while_expression;
-		public For_expressionContext for_expression;
-		public Case_expressionContext case_expression;
-		public TerminalNode DECIMAL_LITERAL() { return getToken(LamaParser.DECIMAL_LITERAL, 0); }
-		public TerminalNode STRING_LITERAL() { return getToken(LamaParser.STRING_LITERAL, 0); }
-		public TerminalNode CHAR_LITERAL() { return getToken(LamaParser.CHAR_LITERAL, 0); }
-		public TerminalNode LIDENT() { return getToken(LamaParser.LIDENT, 0); }
-		public Any_infixContext any_infix() {
-			return getRuleContext(Any_infixContext.class,0);
-		}
-		public Function_argumentsContext function_arguments() {
-			return getRuleContext(Function_argumentsContext.class,0);
-		}
-		public Function_bodyContext function_body() {
-			return getRuleContext(Function_bodyContext.class,0);
-		}
-		public Scope_expressionContext scope_expression() {
-			return getRuleContext(Scope_expressionContext.class,0);
-		}
-		public List_expressionContext list_expression() {
-			return getRuleContext(List_expressionContext.class,0);
-		}
-		public Array_expressionContext array_expression() {
-			return getRuleContext(Array_expressionContext.class,0);
-		}
-		public S_expressionContext s_expression() {
-			return getRuleContext(S_expressionContext.class,0);
-		}
-		public If_expressionContext if_expression() {
-			return getRuleContext(If_expressionContext.class,0);
-		}
-		public While_do_expressionContext while_do_expression() {
-			return getRuleContext(While_do_expressionContext.class,0);
-		}
-		public Do_while_expressionContext do_while_expression() {
-			return getRuleContext(Do_while_expressionContext.class,0);
-		}
-		public For_expressionContext for_expression() {
-			return getRuleContext(For_expressionContext.class,0);
-		}
-		public Case_expressionContext case_expression() {
-			return getRuleContext(Case_expressionContext.class,0);
-		}
-		public PrimaryContext(ParserRuleContext parent, int invokingState) {
-			super(parent, invokingState);
-		}
-		@Override public int getRuleIndex() { return RULE_primary; }
-		@Override
-		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).enterPrimary(this);
-		}
-		@Override
-		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).exitPrimary(this);
-		}
-		@Override
-		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
-			if ( visitor instanceof LamaVisitor ) return ((LamaVisitor<? extends T>)visitor).visitPrimary(this);
-			else return visitor.visitChildren(this);
-		}
-	}
-
-	public final PrimaryContext primary() throws RecognitionException {
-		PrimaryContext _localctx = new PrimaryContext(_ctx, getState());
-		enterRule(_localctx, 28, RULE_primary);
-		try {
-			setState(277);
-			_errHandler.sync(this);
-			switch (_input.LA(1)) {
-			case DECIMAL_LITERAL:
-				enterOuterAlt(_localctx, 1);
-				{
-				setState(223);
-				((PrimaryContext)_localctx).DECIMAL_LITERAL = match(DECIMAL_LITERAL);
-				 ((PrimaryContext)_localctx).result =  factory.createConstNode(((PrimaryContext)_localctx).DECIMAL_LITERAL); 
-				}
-				break;
-			case STRING_LITERAL:
-				enterOuterAlt(_localctx, 2);
-				{
-				setState(225);
-				((PrimaryContext)_localctx).STRING_LITERAL = match(STRING_LITERAL);
-				 ((PrimaryContext)_localctx).result =  factory.createStringNode(LamaStrings.convertStringLiteral(((PrimaryContext)_localctx).STRING_LITERAL)); 
-				}
-				break;
-			case CHAR_LITERAL:
-				enterOuterAlt(_localctx, 3);
-				{
-				setState(227);
-				((PrimaryContext)_localctx).CHAR_LITERAL = match(CHAR_LITERAL);
-				 ((PrimaryContext)_localctx).result =  factory.createConstNode(LamaStrings.convertCharLiteral(((PrimaryContext)_localctx).CHAR_LITERAL)); 
-				}
-				break;
-			case LIDENT:
-				enterOuterAlt(_localctx, 4);
-				{
-				setState(229);
-				((PrimaryContext)_localctx).LIDENT = match(LIDENT);
-				 ((PrimaryContext)_localctx).result =  factory.createRefNode(((PrimaryContext)_localctx).LIDENT); 
-				}
-				break;
-			case T__12:
-				enterOuterAlt(_localctx, 5);
-				{
-				setState(231);
-				match(T__12);
-				 ((PrimaryContext)_localctx).result =  factory.createConstNode(1); 
-				}
-				break;
-			case T__13:
-				enterOuterAlt(_localctx, 6);
-				{
-				setState(233);
-				match(T__13);
-				 ((PrimaryContext)_localctx).result =  factory.createConstNode(0); 
-				}
-				break;
-			case T__14:
-				enterOuterAlt(_localctx, 7);
-				{
-				setState(235);
-				match(T__14);
-				setState(236);
-				((PrimaryContext)_localctx).any_infix = any_infix();
-				 ((PrimaryContext)_localctx).result =  factory.createRefNode(((PrimaryContext)_localctx).any_infix.result); 
-				}
-				break;
-			case T__5:
-				enterOuterAlt(_localctx, 8);
-				{
-				setState(239);
-				match(T__5);
-				setState(240);
-				match(T__6);
-				setState(241);
-				((PrimaryContext)_localctx).function_arguments = function_arguments();
-				setState(242);
-				match(T__7);
-				setState(243);
-				((PrimaryContext)_localctx).function_body = function_body();
-				 ((PrimaryContext)_localctx).result =  factory.createClosureNode(((PrimaryContext)_localctx).function_arguments.args, ((PrimaryContext)_localctx).function_body.result); 
-				}
-				break;
-			case T__15:
-				enterOuterAlt(_localctx, 9);
-				{
-				setState(246);
-				match(T__15);
-				 ((PrimaryContext)_localctx).result =  factory.createSkipNode(); 
-				}
-				break;
-			case T__6:
-				enterOuterAlt(_localctx, 10);
-				{
-				setState(248);
-				match(T__6);
-				setState(249);
-				((PrimaryContext)_localctx).scope_expression = scope_expression();
-				setState(250);
-				match(T__7);
-				 ((PrimaryContext)_localctx).result =  ((PrimaryContext)_localctx).scope_expression.result; 
-				}
-				break;
-			case T__8:
-				enterOuterAlt(_localctx, 11);
-				{
-				setState(253);
-				((PrimaryContext)_localctx).list_expression = list_expression();
-				 ((PrimaryContext)_localctx).result =  ((PrimaryContext)_localctx).list_expression.result; 
-				}
-				break;
-			case T__10:
-				enterOuterAlt(_localctx, 12);
-				{
-				setState(256);
-				((PrimaryContext)_localctx).array_expression = array_expression();
-				 ((PrimaryContext)_localctx).result =  ((PrimaryContext)_localctx).array_expression.result; 
-				}
-				break;
-			case UIDENT:
-				enterOuterAlt(_localctx, 13);
-				{
-				setState(259);
-				((PrimaryContext)_localctx).s_expression = s_expression();
-				 ((PrimaryContext)_localctx).result =  ((PrimaryContext)_localctx).s_expression.result; 
-				}
-				break;
-			case T__16:
-				enterOuterAlt(_localctx, 14);
-				{
-				setState(262);
-				((PrimaryContext)_localctx).if_expression = if_expression();
-				 ((PrimaryContext)_localctx).result =  ((PrimaryContext)_localctx).if_expression.result; 
-				}
-				break;
-			case T__21:
-				enterOuterAlt(_localctx, 15);
-				{
-				setState(265);
-				((PrimaryContext)_localctx).while_do_expression = while_do_expression();
-				 ((PrimaryContext)_localctx).result =  ((PrimaryContext)_localctx).while_do_expression.result; 
-				}
-				break;
-			case T__22:
-				enterOuterAlt(_localctx, 16);
-				{
-				setState(268);
-				((PrimaryContext)_localctx).do_while_expression = do_while_expression();
-				 ((PrimaryContext)_localctx).result =  ((PrimaryContext)_localctx).do_while_expression.result; 
-				}
-				break;
-			case T__24:
-				enterOuterAlt(_localctx, 17);
-				{
-				setState(271);
-				((PrimaryContext)_localctx).for_expression = for_expression();
-				 ((PrimaryContext)_localctx).result =  ((PrimaryContext)_localctx).for_expression.result; 
-				}
-				break;
-			case T__34:
-				enterOuterAlt(_localctx, 18);
-				{
-				setState(274);
-				((PrimaryContext)_localctx).case_expression = case_expression();
-				 ((PrimaryContext)_localctx).result =  ((PrimaryContext)_localctx).case_expression.result; 
-				}
-				break;
-			default:
-				throw new NoViableAltException(this);
-			}
-		}
-		catch (RecognitionException re) {
-			_localctx.exception = re;
-			_errHandler.reportError(this, re);
-			_errHandler.recover(this, re);
-		}
-		finally {
-			exitRule();
-		}
-		return _localctx;
-	}
-
-	@SuppressWarnings("CheckReturnValue")
-	public static class Array_expressionContext extends ParserRuleContext {
-		public LamaExpressionNode result;
-		public ExpressionContext expression;
-		public List<ExpressionContext> expression() {
-			return getRuleContexts(ExpressionContext.class);
-		}
-		public ExpressionContext expression(int i) {
-			return getRuleContext(ExpressionContext.class,i);
-		}
-		public Array_expressionContext(ParserRuleContext parent, int invokingState) {
-			super(parent, invokingState);
-		}
-		@Override public int getRuleIndex() { return RULE_array_expression; }
-		@Override
-		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).enterArray_expression(this);
-		}
-		@Override
-		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).exitArray_expression(this);
-		}
-		@Override
-		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
-			if ( visitor instanceof LamaVisitor ) return ((LamaVisitor<? extends T>)visitor).visitArray_expression(this);
-			else return visitor.visitChildren(this);
-		}
-	}
-
-	public final Array_expressionContext array_expression() throws RecognitionException {
-		Array_expressionContext _localctx = new Array_expressionContext(_ctx, getState());
-		enterRule(_localctx, 30, RULE_array_expression);
-		int _la;
-		try {
-			enterOuterAlt(_localctx, 1);
-			{
-			 List<LamaExpressionNode> elems = new ArrayList<LamaExpressionNode>(); 
-			setState(280);
-			match(T__10);
-			setState(292);
-			_errHandler.sync(this);
-			_la = _input.LA(1);
-			if ((((_la) & ~0x3f) == 0 && ((1L << _la) & 1099546033908416L) != 0)) {
-				{
-				setState(281);
-				((Array_expressionContext)_localctx).expression = expression();
-				 elems.addLast(((Array_expressionContext)_localctx).expression.result); 
-				setState(289);
-				_errHandler.sync(this);
-				_la = _input.LA(1);
-				while (_la==T__2) {
-					{
-					{
-					setState(283);
-					match(T__2);
-					setState(284);
-					((Array_expressionContext)_localctx).expression = expression();
-					 elems.addLast(((Array_expressionContext)_localctx).expression.result); 
-					}
-					}
-					setState(291);
-					_errHandler.sync(this);
-					_la = _input.LA(1);
-				}
-				}
-			}
-
-			setState(294);
-			match(T__11);
-			 ((Array_expressionContext)_localctx).result =  factory.createArrayNode(elems); 
-			}
-		}
-		catch (RecognitionException re) {
-			_localctx.exception = re;
-			_errHandler.reportError(this, re);
-			_errHandler.recover(this, re);
-		}
-		finally {
-			exitRule();
-		}
-		return _localctx;
-	}
-
-	@SuppressWarnings("CheckReturnValue")
-	public static class List_expressionContext extends ParserRuleContext {
-		public LamaExpressionNode result;
-		public ExpressionContext expression;
-		public List<ExpressionContext> expression() {
-			return getRuleContexts(ExpressionContext.class);
-		}
-		public ExpressionContext expression(int i) {
-			return getRuleContext(ExpressionContext.class,i);
-		}
-		public List_expressionContext(ParserRuleContext parent, int invokingState) {
-			super(parent, invokingState);
-		}
-		@Override public int getRuleIndex() { return RULE_list_expression; }
-		@Override
-		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).enterList_expression(this);
-		}
-		@Override
-		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).exitList_expression(this);
-		}
-		@Override
-		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
-			if ( visitor instanceof LamaVisitor ) return ((LamaVisitor<? extends T>)visitor).visitList_expression(this);
-			else return visitor.visitChildren(this);
-		}
-	}
-
-	public final List_expressionContext list_expression() throws RecognitionException {
-		List_expressionContext _localctx = new List_expressionContext(_ctx, getState());
-		enterRule(_localctx, 32, RULE_list_expression);
-		int _la;
-		try {
-			enterOuterAlt(_localctx, 1);
-			{
-			 List<LamaExpressionNode> elems = new ArrayList<LamaExpressionNode>(); 
-			setState(298);
-			match(T__8);
-			setState(310);
-			_errHandler.sync(this);
-			_la = _input.LA(1);
-			if ((((_la) & ~0x3f) == 0 && ((1L << _la) & 1099546033908416L) != 0)) {
-				{
-				setState(299);
-				((List_expressionContext)_localctx).expression = expression();
-				 elems.addLast(((List_expressionContext)_localctx).expression.result); 
-				setState(307);
-				_errHandler.sync(this);
-				_la = _input.LA(1);
-				while (_la==T__2) {
-					{
-					{
-					setState(301);
-					match(T__2);
-					setState(302);
-					((List_expressionContext)_localctx).expression = expression();
-					elems.addLast(((List_expressionContext)_localctx).expression.result); 
-					}
-					}
-					setState(309);
-					_errHandler.sync(this);
-					_la = _input.LA(1);
-				}
-				}
-			}
-
-			setState(312);
-			match(T__9);
-			 ((List_expressionContext)_localctx).result =  factory.createListSexpNode(elems); 
-			}
-		}
-		catch (RecognitionException re) {
-			_localctx.exception = re;
-			_errHandler.reportError(this, re);
-			_errHandler.recover(this, re);
-		}
-		finally {
-			exitRule();
-		}
-		return _localctx;
-	}
-
-	@SuppressWarnings("CheckReturnValue")
-	public static class S_expressionContext extends ParserRuleContext {
-		public LamaExpressionNode result;
-		public Token UIDENT;
-		public ExpressionContext expression;
-		public TerminalNode UIDENT() { return getToken(LamaParser.UIDENT, 0); }
-		public List<ExpressionContext> expression() {
-			return getRuleContexts(ExpressionContext.class);
-		}
-		public ExpressionContext expression(int i) {
-			return getRuleContext(ExpressionContext.class,i);
-		}
-		public S_expressionContext(ParserRuleContext parent, int invokingState) {
-			super(parent, invokingState);
-		}
-		@Override public int getRuleIndex() { return RULE_s_expression; }
-		@Override
-		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).enterS_expression(this);
-		}
-		@Override
-		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).exitS_expression(this);
-		}
-		@Override
-		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
-			if ( visitor instanceof LamaVisitor ) return ((LamaVisitor<? extends T>)visitor).visitS_expression(this);
-			else return visitor.visitChildren(this);
-		}
-	}
-
-	public final S_expressionContext s_expression() throws RecognitionException {
-		S_expressionContext _localctx = new S_expressionContext(_ctx, getState());
-		enterRule(_localctx, 34, RULE_s_expression);
-		int _la;
-		try {
-			enterOuterAlt(_localctx, 1);
-			{
-			 List<LamaExpressionNode> elems = new ArrayList<LamaExpressionNode>(); 
-			setState(316);
-			((S_expressionContext)_localctx).UIDENT = match(UIDENT);
-			setState(332);
-			_errHandler.sync(this);
-			switch ( getInterpreter().adaptivePredict(_input,23,_ctx) ) {
-			case 1:
-				{
-				setState(317);
-				match(T__6);
-				setState(329);
-				_errHandler.sync(this);
-				_la = _input.LA(1);
-				if ((((_la) & ~0x3f) == 0 && ((1L << _la) & 1099546033908416L) != 0)) {
-					{
-					setState(318);
-					((S_expressionContext)_localctx).expression = expression();
-					elems.addLast(((S_expressionContext)_localctx).expression.result); 
-					setState(326);
-					_errHandler.sync(this);
-					_la = _input.LA(1);
-					while (_la==T__2) {
-						{
-						{
-						setState(320);
-						match(T__2);
-						setState(321);
-						((S_expressionContext)_localctx).expression = expression();
-						elems.addLast(((S_expressionContext)_localctx).expression.result); 
-						}
-						}
-						setState(328);
-						_errHandler.sync(this);
-						_la = _input.LA(1);
-					}
-					}
-				}
-
-				setState(331);
-				match(T__7);
-				}
-				break;
-			}
-			 ((S_expressionContext)_localctx).result =  factory.createSexpNode(((S_expressionContext)_localctx).UIDENT, elems); 
-			}
-		}
-		catch (RecognitionException re) {
-			_localctx.exception = re;
-			_errHandler.reportError(this, re);
-			_errHandler.recover(this, re);
-		}
-		finally {
-			exitRule();
-		}
-		return _localctx;
-	}
-
-	@SuppressWarnings("CheckReturnValue")
-	public static class If_expressionContext extends ParserRuleContext {
-		public LamaExpressionNode result;
-		public ExpressionContext expression;
-		public Scope_expressionContext scope_expression;
-		public Else_partContext else_part;
-		public ExpressionContext expression() {
-			return getRuleContext(ExpressionContext.class,0);
-		}
-		public Scope_expressionContext scope_expression() {
-			return getRuleContext(Scope_expressionContext.class,0);
-		}
-		public Else_partContext else_part() {
-			return getRuleContext(Else_partContext.class,0);
-		}
-		public If_expressionContext(ParserRuleContext parent, int invokingState) {
-			super(parent, invokingState);
-		}
-		@Override public int getRuleIndex() { return RULE_if_expression; }
-		@Override
-		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).enterIf_expression(this);
-		}
-		@Override
-		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).exitIf_expression(this);
-		}
-		@Override
-		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
-			if ( visitor instanceof LamaVisitor ) return ((LamaVisitor<? extends T>)visitor).visitIf_expression(this);
-			else return visitor.visitChildren(this);
-		}
-	}
-
-	public final If_expressionContext if_expression() throws RecognitionException {
-		If_expressionContext _localctx = new If_expressionContext(_ctx, getState());
-		enterRule(_localctx, 36, RULE_if_expression);
-		int _la;
-		try {
-			enterOuterAlt(_localctx, 1);
-			{
-			 LamaExpressionNode do_else = null; 
-			setState(337);
-			match(T__16);
-			setState(338);
-			((If_expressionContext)_localctx).expression = expression();
-			setState(339);
-			match(T__17);
-			setState(340);
-			((If_expressionContext)_localctx).scope_expression = scope_expression();
-			setState(344);
-			_errHandler.sync(this);
-			_la = _input.LA(1);
-			if (_la==T__19 || _la==T__20) {
-				{
-				setState(341);
-				((If_expressionContext)_localctx).else_part = else_part();
-				 do_else = ((If_expressionContext)_localctx).else_part.result; 
-				}
-			}
-
-			setState(346);
-			match(T__18);
-			 ((If_expressionContext)_localctx).result =  factory.createIfNode(((If_expressionContext)_localctx).expression.result, ((If_expressionContext)_localctx).scope_expression.result, do_else); 
-			}
-		}
-		catch (RecognitionException re) {
-			_localctx.exception = re;
-			_errHandler.reportError(this, re);
-			_errHandler.recover(this, re);
-		}
-		finally {
-			exitRule();
-		}
-		return _localctx;
-	}
-
-	@SuppressWarnings("CheckReturnValue")
-	public static class Else_partContext extends ParserRuleContext {
-		public LamaExpressionNode result;
-		public ExpressionContext expression;
-		public Scope_expressionContext scope_expression;
-		public Else_partContext else_part;
-		public ExpressionContext expression() {
-			return getRuleContext(ExpressionContext.class,0);
-		}
-		public Scope_expressionContext scope_expression() {
-			return getRuleContext(Scope_expressionContext.class,0);
-		}
-		public Else_partContext else_part() {
-			return getRuleContext(Else_partContext.class,0);
-		}
-		public Else_partContext(ParserRuleContext parent, int invokingState) {
-			super(parent, invokingState);
-		}
-		@Override public int getRuleIndex() { return RULE_else_part; }
-		@Override
-		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).enterElse_part(this);
-		}
-		@Override
-		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).exitElse_part(this);
-		}
-		@Override
-		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
-			if ( visitor instanceof LamaVisitor ) return ((LamaVisitor<? extends T>)visitor).visitElse_part(this);
-			else return visitor.visitChildren(this);
-		}
-	}
-
-	public final Else_partContext else_part() throws RecognitionException {
-		Else_partContext _localctx = new Else_partContext(_ctx, getState());
-		enterRule(_localctx, 38, RULE_else_part);
-		int _la;
-		try {
-			setState(365);
-			_errHandler.sync(this);
-			switch (_input.LA(1)) {
-			case T__19:
-				enterOuterAlt(_localctx, 1);
-				{
-				setState(349);
-				match(T__19);
-				 LamaExpressionNode do_else = null; 
-				setState(351);
-				((Else_partContext)_localctx).expression = expression();
-				setState(352);
-				match(T__17);
-				setState(353);
-				((Else_partContext)_localctx).scope_expression = scope_expression();
-				setState(357);
-				_errHandler.sync(this);
-				_la = _input.LA(1);
-				if (_la==T__19 || _la==T__20) {
-					{
-					setState(354);
-					((Else_partContext)_localctx).else_part = else_part();
-					 do_else = ((Else_partContext)_localctx).else_part.result; 
-					}
-				}
-
-				 ((Else_partContext)_localctx).result =  factory.createIfNode(((Else_partContext)_localctx).expression.result, ((Else_partContext)_localctx).scope_expression.result, do_else); 
-				}
-				break;
-			case T__20:
-				enterOuterAlt(_localctx, 2);
-				{
-				setState(361);
-				match(T__20);
-				setState(362);
-				((Else_partContext)_localctx).scope_expression = scope_expression();
-				 ((Else_partContext)_localctx).result =  ((Else_partContext)_localctx).scope_expression.result; 
-				}
-				break;
-			default:
-				throw new NoViableAltException(this);
-			}
-		}
-		catch (RecognitionException re) {
-			_localctx.exception = re;
-			_errHandler.reportError(this, re);
-			_errHandler.recover(this, re);
-		}
-		finally {
-			exitRule();
-		}
-		return _localctx;
-	}
-
-	@SuppressWarnings("CheckReturnValue")
-	public static class While_do_expressionContext extends ParserRuleContext {
-		public LamaExpressionNode result;
-		public ExpressionContext expression;
-		public Scope_expressionContext scope_expression;
-		public ExpressionContext expression() {
-			return getRuleContext(ExpressionContext.class,0);
-		}
-		public Scope_expressionContext scope_expression() {
-			return getRuleContext(Scope_expressionContext.class,0);
-		}
-		public While_do_expressionContext(ParserRuleContext parent, int invokingState) {
-			super(parent, invokingState);
-		}
-		@Override public int getRuleIndex() { return RULE_while_do_expression; }
-		@Override
-		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).enterWhile_do_expression(this);
-		}
-		@Override
-		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).exitWhile_do_expression(this);
-		}
-		@Override
-		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
-			if ( visitor instanceof LamaVisitor ) return ((LamaVisitor<? extends T>)visitor).visitWhile_do_expression(this);
-			else return visitor.visitChildren(this);
-		}
-	}
-
-	public final While_do_expressionContext while_do_expression() throws RecognitionException {
-		While_do_expressionContext _localctx = new While_do_expressionContext(_ctx, getState());
-		enterRule(_localctx, 40, RULE_while_do_expression);
-		try {
-			enterOuterAlt(_localctx, 1);
-			{
-			setState(367);
-			match(T__21);
-			setState(368);
-			((While_do_expressionContext)_localctx).expression = expression();
-			setState(369);
-			match(T__22);
-			setState(370);
-			((While_do_expressionContext)_localctx).scope_expression = scope_expression();
-			setState(371);
-			match(T__23);
-			 ((While_do_expressionContext)_localctx).result =  factory.createWhileNode(((While_do_expressionContext)_localctx).expression.result, ((While_do_expressionContext)_localctx).scope_expression.result); 
-			}
-		}
-		catch (RecognitionException re) {
-			_localctx.exception = re;
-			_errHandler.reportError(this, re);
-			_errHandler.recover(this, re);
-		}
-		finally {
-			exitRule();
-		}
-		return _localctx;
-	}
-
-	@SuppressWarnings("CheckReturnValue")
-	public static class Do_while_expressionContext extends ParserRuleContext {
-		public LamaExpressionNode result;
-		public Scope_expressionContext scope_expression;
-		public ExpressionContext expression;
-		public Scope_expressionContext scope_expression() {
-			return getRuleContext(Scope_expressionContext.class,0);
-		}
-		public ExpressionContext expression() {
-			return getRuleContext(ExpressionContext.class,0);
-		}
-		public Do_while_expressionContext(ParserRuleContext parent, int invokingState) {
-			super(parent, invokingState);
-		}
-		@Override public int getRuleIndex() { return RULE_do_while_expression; }
-		@Override
-		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).enterDo_while_expression(this);
-		}
-		@Override
-		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).exitDo_while_expression(this);
-		}
-		@Override
-		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
-			if ( visitor instanceof LamaVisitor ) return ((LamaVisitor<? extends T>)visitor).visitDo_while_expression(this);
-			else return visitor.visitChildren(this);
-		}
-	}
-
-	public final Do_while_expressionContext do_while_expression() throws RecognitionException {
-		Do_while_expressionContext _localctx = new Do_while_expressionContext(_ctx, getState());
-		enterRule(_localctx, 42, RULE_do_while_expression);
-		try {
-			enterOuterAlt(_localctx, 1);
-			{
-			setState(374);
-			match(T__22);
-			setState(375);
-			((Do_while_expressionContext)_localctx).scope_expression = scope_expression();
-			setState(376);
-			match(T__21);
-			setState(377);
-			((Do_while_expressionContext)_localctx).expression = expression();
-			setState(378);
-			match(T__23);
-			 ((Do_while_expressionContext)_localctx).result =  factory.createDoWhileNode(((Do_while_expressionContext)_localctx).expression.result, ((Do_while_expressionContext)_localctx).scope_expression.result); 
-			}
-		}
-		catch (RecognitionException re) {
-			_localctx.exception = re;
-			_errHandler.reportError(this, re);
-			_errHandler.recover(this, re);
-		}
-		finally {
-			exitRule();
-		}
-		return _localctx;
-	}
-
-	@SuppressWarnings("CheckReturnValue")
-	public static class For_expressionContext extends ParserRuleContext {
-		public LamaExpressionNode result;
-		public Scope_expressionContext init;
-		public ExpressionContext cond;
-		public ExpressionContext inc;
-		public Scope_expressionContext expr;
-		public List<Scope_expressionContext> scope_expression() {
-			return getRuleContexts(Scope_expressionContext.class);
-		}
-		public Scope_expressionContext scope_expression(int i) {
-			return getRuleContext(Scope_expressionContext.class,i);
-		}
-		public List<ExpressionContext> expression() {
-			return getRuleContexts(ExpressionContext.class);
-		}
-		public ExpressionContext expression(int i) {
-			return getRuleContext(ExpressionContext.class,i);
-		}
-		public For_expressionContext(ParserRuleContext parent, int invokingState) {
-			super(parent, invokingState);
-		}
-		@Override public int getRuleIndex() { return RULE_for_expression; }
-		@Override
-		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).enterFor_expression(this);
-		}
-		@Override
-		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).exitFor_expression(this);
-		}
-		@Override
-		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
-			if ( visitor instanceof LamaVisitor ) return ((LamaVisitor<? extends T>)visitor).visitFor_expression(this);
-			else return visitor.visitChildren(this);
-		}
-	}
-
-	public final For_expressionContext for_expression() throws RecognitionException {
-		For_expressionContext _localctx = new For_expressionContext(_ctx, getState());
-		enterRule(_localctx, 44, RULE_for_expression);
-		try {
-			enterOuterAlt(_localctx, 1);
-			{
-			setState(381);
-			match(T__24);
-			setState(382);
-			((For_expressionContext)_localctx).init = scope_expression();
-			setState(383);
-			match(T__2);
-			setState(384);
-			((For_expressionContext)_localctx).cond = expression();
-			setState(385);
-			match(T__2);
-			setState(386);
-			((For_expressionContext)_localctx).inc = expression();
-			setState(387);
-			match(T__22);
-			setState(388);
-			((For_expressionContext)_localctx).expr = scope_expression();
-			setState(389);
-			match(T__23);
-			 ((For_expressionContext)_localctx).result =  factory.createSeqNode(((For_expressionContext)_localctx).init.result, factory.createWhileNode(((For_expressionContext)_localctx).cond.result, factory.createSeqNode(((For_expressionContext)_localctx).expr.result, ((For_expressionContext)_localctx).inc.result))); 
-			}
-		}
-		catch (RecognitionException re) {
-			_localctx.exception = re;
-			_errHandler.reportError(this, re);
-			_errHandler.recover(this, re);
-		}
-		finally {
-			exitRule();
-		}
-		return _localctx;
-	}
-
-	@SuppressWarnings("CheckReturnValue")
-	public static class PatternContext extends ParserRuleContext {
-		public LamaPattern result;
-		public Cons_patternContext cons_pattern;
-		public Simple_patternContext simple_pattern;
-		public Cons_patternContext cons_pattern() {
-			return getRuleContext(Cons_patternContext.class,0);
-		}
-		public Simple_patternContext simple_pattern() {
-			return getRuleContext(Simple_patternContext.class,0);
-		}
-		public PatternContext(ParserRuleContext parent, int invokingState) {
-			super(parent, invokingState);
-		}
-		@Override public int getRuleIndex() { return RULE_pattern; }
-		@Override
-		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).enterPattern(this);
-		}
-		@Override
-		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).exitPattern(this);
-		}
-		@Override
-		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
-			if ( visitor instanceof LamaVisitor ) return ((LamaVisitor<? extends T>)visitor).visitPattern(this);
-			else return visitor.visitChildren(this);
-		}
-	}
-
-	public final PatternContext pattern() throws RecognitionException {
-		PatternContext _localctx = new PatternContext(_ctx, getState());
-		enterRule(_localctx, 46, RULE_pattern);
-		try {
-			setState(398);
-			_errHandler.sync(this);
-			switch ( getInterpreter().adaptivePredict(_input,27,_ctx) ) {
-			case 1:
-				enterOuterAlt(_localctx, 1);
-				{
-				setState(392);
-				((PatternContext)_localctx).cons_pattern = cons_pattern();
-				 ((PatternContext)_localctx).result =  ((PatternContext)_localctx).cons_pattern.result; 
-				}
-				break;
-			case 2:
-				enterOuterAlt(_localctx, 2);
-				{
-				setState(395);
-				((PatternContext)_localctx).simple_pattern = simple_pattern();
-				 ((PatternContext)_localctx).result =  ((PatternContext)_localctx).simple_pattern.result; 
-				}
-				break;
-			}
-		}
-		catch (RecognitionException re) {
-			_localctx.exception = re;
-			_errHandler.reportError(this, re);
-			_errHandler.recover(this, re);
-		}
-		finally {
-			exitRule();
-		}
-		return _localctx;
-	}
-
-	@SuppressWarnings("CheckReturnValue")
-	public static class Cons_patternContext extends ParserRuleContext {
-		public LamaPattern result;
-		public Simple_patternContext simple_pattern;
-		public PatternContext pattern;
-		public Simple_patternContext simple_pattern() {
-			return getRuleContext(Simple_patternContext.class,0);
-		}
-		public PatternContext pattern() {
-			return getRuleContext(PatternContext.class,0);
-		}
-		public Cons_patternContext(ParserRuleContext parent, int invokingState) {
-			super(parent, invokingState);
-		}
-		@Override public int getRuleIndex() { return RULE_cons_pattern; }
-		@Override
-		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).enterCons_pattern(this);
-		}
-		@Override
-		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).exitCons_pattern(this);
-		}
-		@Override
-		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
-			if ( visitor instanceof LamaVisitor ) return ((LamaVisitor<? extends T>)visitor).visitCons_pattern(this);
-			else return visitor.visitChildren(this);
-		}
-	}
-
-	public final Cons_patternContext cons_pattern() throws RecognitionException {
-		Cons_patternContext _localctx = new Cons_patternContext(_ctx, getState());
-		enterRule(_localctx, 48, RULE_cons_pattern);
-		try {
-			enterOuterAlt(_localctx, 1);
-			{
-			setState(400);
-			((Cons_patternContext)_localctx).simple_pattern = simple_pattern();
-			setState(401);
-			match(T__25);
-			setState(402);
-			((Cons_patternContext)_localctx).pattern = pattern();
-			 ((Cons_patternContext)_localctx).result =  factory.createSexpPattern("cons", {((Cons_patternContext)_localctx).simple_pattern.result, ((Cons_patternContext)_localctx).pattern.result}); 
-			}
-		}
-		catch (RecognitionException re) {
-			_localctx.exception = re;
-			_errHandler.reportError(this, re);
-			_errHandler.recover(this, re);
-		}
-		finally {
-			exitRule();
-		}
-		return _localctx;
-	}
-
-	@SuppressWarnings("CheckReturnValue")
-	public static class Simple_patternContext extends ParserRuleContext {
-		public LamaPattern result;
-		public Wildcard_patternContext wildcard_pattern;
-		public S_expr_patternContext s_expr_pattern;
-		public Array_patternContext array_pattern;
-		public List_patternContext list_pattern;
-		public Token LIDENT;
-		public PatternContext pattern;
-		public Token DECIMAL_LITERAL;
-		public Token STRING_LITERAL;
-		public Token CHAR_LITERAL;
-		public Wildcard_patternContext wildcard_pattern() {
-			return getRuleContext(Wildcard_patternContext.class,0);
-		}
-		public S_expr_patternContext s_expr_pattern() {
-			return getRuleContext(S_expr_patternContext.class,0);
-		}
-		public Array_patternContext array_pattern() {
-			return getRuleContext(Array_patternContext.class,0);
-		}
-		public List_patternContext list_pattern() {
-			return getRuleContext(List_patternContext.class,0);
-		}
-		public TerminalNode LIDENT() { return getToken(LamaParser.LIDENT, 0); }
-		public PatternContext pattern() {
-			return getRuleContext(PatternContext.class,0);
-		}
-		public TerminalNode DECIMAL_LITERAL() { return getToken(LamaParser.DECIMAL_LITERAL, 0); }
-		public TerminalNode MINUS() { return getToken(LamaParser.MINUS, 0); }
-		public TerminalNode STRING_LITERAL() { return getToken(LamaParser.STRING_LITERAL, 0); }
-		public TerminalNode CHAR_LITERAL() { return getToken(LamaParser.CHAR_LITERAL, 0); }
-		public Simple_patternContext(ParserRuleContext parent, int invokingState) {
-			super(parent, invokingState);
-		}
-		@Override public int getRuleIndex() { return RULE_simple_pattern; }
-		@Override
-		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).enterSimple_pattern(this);
-		}
-		@Override
-		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).exitSimple_pattern(this);
-		}
-		@Override
-		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
-			if ( visitor instanceof LamaVisitor ) return ((LamaVisitor<? extends T>)visitor).visitSimple_pattern(this);
-			else return visitor.visitChildren(this);
-		}
-	}
-
-	public final Simple_patternContext simple_pattern() throws RecognitionException {
-		Simple_patternContext _localctx = new Simple_patternContext(_ctx, getState());
-		enterRule(_localctx, 50, RULE_simple_pattern);
-		int _la;
-		try {
-			setState(464);
-			_errHandler.sync(this);
-			switch ( getInterpreter().adaptivePredict(_input,30,_ctx) ) {
-			case 1:
-				enterOuterAlt(_localctx, 1);
-				{
-				setState(405);
-				((Simple_patternContext)_localctx).wildcard_pattern = wildcard_pattern();
-				 ((Simple_patternContext)_localctx).result =  ((Simple_patternContext)_localctx).wildcard_pattern.result; 
-				}
-				break;
-			case 2:
-				enterOuterAlt(_localctx, 2);
-				{
-				setState(408);
-				((Simple_patternContext)_localctx).s_expr_pattern = s_expr_pattern();
-				 ((Simple_patternContext)_localctx).result =  ((Simple_patternContext)_localctx).s_expr_pattern.result; 
-				}
-				break;
-			case 3:
-				enterOuterAlt(_localctx, 3);
-				{
-				setState(411);
-				((Simple_patternContext)_localctx).array_pattern = array_pattern();
-				 ((Simple_patternContext)_localctx).result =  ((Simple_patternContext)_localctx).array_pattern.result; 
-				}
-				break;
-			case 4:
-				enterOuterAlt(_localctx, 4);
-				{
-				setState(414);
-				((Simple_patternContext)_localctx).list_pattern = list_pattern();
-				 ((Simple_patternContext)_localctx).result =  ((Simple_patternContext)_localctx).list_pattern.result; 
-				}
-				break;
-			case 5:
-				enterOuterAlt(_localctx, 5);
-				{
-				setState(417);
-				((Simple_patternContext)_localctx).LIDENT = match(LIDENT);
-				 LamaPattern pat = null; 
-				setState(423);
-				_errHandler.sync(this);
-				_la = _input.LA(1);
-				if (_la==T__26) {
-					{
-					setState(419);
-					match(T__26);
-					setState(420);
-					((Simple_patternContext)_localctx).pattern = pattern();
-					 pat = ((Simple_patternContext)_localctx).pattern.result; 
-					}
-				}
-
-				 ((Simple_patternContext)_localctx).result =  factory.createNamedPattern(((Simple_patternContext)_localctx).LIDENT, Objects.requireNonNullElse(pat, factory.createWildcardPattern()); 
-				}
-				break;
-			case 6:
-				enterOuterAlt(_localctx, 6);
-				{
-				 boolean is_negative = false; 
-				setState(429);
-				_errHandler.sync(this);
-				_la = _input.LA(1);
-				if (_la==MINUS) {
-					{
-					setState(427);
-					match(MINUS);
-					 is_negative = true; 
-					}
-				}
-
-				setState(431);
-				((Simple_patternContext)_localctx).DECIMAL_LITERAL = match(DECIMAL_LITERAL);
-				 ((Simple_patternContext)_localctx).result =  is_negative ? factory.createNegativeConstPattern(((Simple_patternContext)_localctx).DECIMAL_LITERAL) : factory.createConstPattern(((Simple_patternContext)_localctx).DECIMAL_LITERAL); 
-				}
-				break;
-			case 7:
-				enterOuterAlt(_localctx, 7);
-				{
-				setState(433);
-				((Simple_patternContext)_localctx).STRING_LITERAL = match(STRING_LITERAL);
-				 ((Simple_patternContext)_localctx).result =  factory.createStringPattern(LamaStrings.convertStringLiteral(((Simple_patternContext)_localctx).STRING_LITERAL)); 
-				}
-				break;
-			case 8:
-				enterOuterAlt(_localctx, 8);
-				{
-				setState(435);
-				((Simple_patternContext)_localctx).CHAR_LITERAL = match(CHAR_LITERAL);
-				 ((Simple_patternContext)_localctx).result =  factory.createConstPattern(LamaStrings.convertCharLiteral(((Simple_patternContext)_localctx).CHAR_LITERAL)); 
-				}
-				break;
-			case 9:
-				enterOuterAlt(_localctx, 9);
-				{
-				setState(437);
-				match(T__12);
-				 ((Simple_patternContext)_localctx).result =  factory.createConstPattern(1); 
-				}
-				break;
-			case 10:
-				enterOuterAlt(_localctx, 10);
-				{
-				setState(439);
-				match(T__13);
-				 ((Simple_patternContext)_localctx).result =  factory.createConstPattern(0); 
-				}
-				break;
-			case 11:
-				enterOuterAlt(_localctx, 11);
-				{
-				setState(441);
-				match(T__27);
-				setState(442);
-				match(T__28);
-				 ((Simple_patternContext)_localctx).result =  factory.createBoxedPattern(); 
-				}
-				break;
-			case 12:
-				enterOuterAlt(_localctx, 12);
-				{
-				setState(444);
-				match(T__27);
-				setState(445);
-				match(T__29);
-				 ((Simple_patternContext)_localctx).result =  factory.createUnBoxedPattern(); 
-				}
-				break;
-			case 13:
-				enterOuterAlt(_localctx, 13);
-				{
-				setState(447);
-				match(T__27);
-				setState(448);
-				match(T__30);
-				 ((Simple_patternContext)_localctx).result =  factory.createStringTagPattern(); 
-				}
-				break;
-			case 14:
-				enterOuterAlt(_localctx, 14);
-				{
-				setState(450);
-				match(T__27);
-				setState(451);
-				match(T__31);
-				 ((Simple_patternContext)_localctx).result =  factory.createArrayTagPattern(); 
-				}
-				break;
-			case 15:
-				enterOuterAlt(_localctx, 15);
-				{
-				setState(453);
-				match(T__27);
-				setState(454);
-				match(T__32);
-				 ((Simple_patternContext)_localctx).result =  factory.createSexpTagPattern(); 
-				}
-				break;
-			case 16:
-				enterOuterAlt(_localctx, 16);
-				{
-				setState(456);
-				match(T__27);
-				setState(457);
-				match(T__5);
-				 ((Simple_patternContext)_localctx).result =  factory.createClosureTagPattern(); 
-				}
-				break;
-			case 17:
-				enterOuterAlt(_localctx, 17);
-				{
-				setState(459);
-				match(T__6);
-				setState(460);
-				((Simple_patternContext)_localctx).pattern = pattern();
-				setState(461);
-				match(T__7);
-				 ((Simple_patternContext)_localctx).result =  ((Simple_patternContext)_localctx).pattern.result; 
-				}
-				break;
-			}
-		}
-		catch (RecognitionException re) {
-			_localctx.exception = re;
-			_errHandler.reportError(this, re);
-			_errHandler.recover(this, re);
-		}
-		finally {
-			exitRule();
-		}
-		return _localctx;
-	}
-
-	@SuppressWarnings("CheckReturnValue")
-	public static class Wildcard_patternContext extends ParserRuleContext {
-		public LamaPattern result;
-		public Wildcard_patternContext(ParserRuleContext parent, int invokingState) {
-			super(parent, invokingState);
-		}
-		@Override public int getRuleIndex() { return RULE_wildcard_pattern; }
-		@Override
-		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).enterWildcard_pattern(this);
-		}
-		@Override
-		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).exitWildcard_pattern(this);
-		}
-		@Override
-		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
-			if ( visitor instanceof LamaVisitor ) return ((LamaVisitor<? extends T>)visitor).visitWildcard_pattern(this);
-			else return visitor.visitChildren(this);
-		}
-	}
-
-	public final Wildcard_patternContext wildcard_pattern() throws RecognitionException {
-		Wildcard_patternContext _localctx = new Wildcard_patternContext(_ctx, getState());
-		enterRule(_localctx, 52, RULE_wildcard_pattern);
-		try {
-			enterOuterAlt(_localctx, 1);
-			{
-			setState(466);
-			match(T__33);
-			 ((Wildcard_patternContext)_localctx).result =  factory.createWildcardPattern(); 
-			}
-		}
-		catch (RecognitionException re) {
-			_localctx.exception = re;
-			_errHandler.reportError(this, re);
-			_errHandler.recover(this, re);
-		}
-		finally {
-			exitRule();
-		}
-		return _localctx;
-	}
-
-	@SuppressWarnings("CheckReturnValue")
-	public static class S_expr_patternContext extends ParserRuleContext {
-		public LamaPattern result;
-		public Token UIDENT;
-		public PatternContext pattern;
-		public TerminalNode UIDENT() { return getToken(LamaParser.UIDENT, 0); }
-		public List<PatternContext> pattern() {
-			return getRuleContexts(PatternContext.class);
-		}
-		public PatternContext pattern(int i) {
-			return getRuleContext(PatternContext.class,i);
-		}
-		public S_expr_patternContext(ParserRuleContext parent, int invokingState) {
-			super(parent, invokingState);
-		}
-		@Override public int getRuleIndex() { return RULE_s_expr_pattern; }
-		@Override
-		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).enterS_expr_pattern(this);
-		}
-		@Override
-		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).exitS_expr_pattern(this);
-		}
-		@Override
-		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
-			if ( visitor instanceof LamaVisitor ) return ((LamaVisitor<? extends T>)visitor).visitS_expr_pattern(this);
-			else return visitor.visitChildren(this);
-		}
-	}
-
-	public final S_expr_patternContext s_expr_pattern() throws RecognitionException {
-		S_expr_patternContext _localctx = new S_expr_patternContext(_ctx, getState());
-		enterRule(_localctx, 54, RULE_s_expr_pattern);
-		int _la;
-		try {
-			enterOuterAlt(_localctx, 1);
-			{
-			 List<LamaPattern> elems = new ArrayList<LamaPattern>(); 
-			setState(470);
-			((S_expr_patternContext)_localctx).UIDENT = match(UIDENT);
-			setState(486);
-			_errHandler.sync(this);
-			_la = _input.LA(1);
-			if (_la==T__6) {
-				{
-				setState(471);
-				match(T__6);
-				setState(483);
-				_errHandler.sync(this);
-				_la = _input.LA(1);
-				if ((((_la) & ~0x3f) == 0 && ((1L << _la) & 1099529076107904L) != 0)) {
-					{
-					setState(472);
-					((S_expr_patternContext)_localctx).pattern = pattern();
-					 elems.addLast(((S_expr_patternContext)_localctx).pattern.result); 
-					setState(480);
-					_errHandler.sync(this);
-					_la = _input.LA(1);
-					while (_la==T__2) {
-						{
-						{
-						setState(474);
-						match(T__2);
-						setState(475);
-						((S_expr_patternContext)_localctx).pattern = pattern();
-						 elems.addLast(((S_expr_patternContext)_localctx).pattern.result); 
-						}
-						}
-						setState(482);
-						_errHandler.sync(this);
-						_la = _input.LA(1);
-					}
-					}
-				}
-
-				setState(485);
-				match(T__7);
-				}
-			}
-
-			 ((S_expr_patternContext)_localctx).result =  factory.createSexpPattern(((S_expr_patternContext)_localctx).UIDENT, elems); 
-			}
-		}
-		catch (RecognitionException re) {
-			_localctx.exception = re;
-			_errHandler.reportError(this, re);
-			_errHandler.recover(this, re);
-		}
-		finally {
-			exitRule();
-		}
-		return _localctx;
-	}
-
-	@SuppressWarnings("CheckReturnValue")
-	public static class Array_patternContext extends ParserRuleContext {
-		public LamaPattern result;
-		public PatternContext pattern;
-		public List<PatternContext> pattern() {
-			return getRuleContexts(PatternContext.class);
-		}
-		public PatternContext pattern(int i) {
-			return getRuleContext(PatternContext.class,i);
-		}
-		public Array_patternContext(ParserRuleContext parent, int invokingState) {
-			super(parent, invokingState);
-		}
-		@Override public int getRuleIndex() { return RULE_array_pattern; }
-		@Override
-		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).enterArray_pattern(this);
-		}
-		@Override
-		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).exitArray_pattern(this);
-		}
-		@Override
-		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
-			if ( visitor instanceof LamaVisitor ) return ((LamaVisitor<? extends T>)visitor).visitArray_pattern(this);
-			else return visitor.visitChildren(this);
-		}
-	}
-
-	public final Array_patternContext array_pattern() throws RecognitionException {
-		Array_patternContext _localctx = new Array_patternContext(_ctx, getState());
-		enterRule(_localctx, 56, RULE_array_pattern);
-		int _la;
-		try {
-			enterOuterAlt(_localctx, 1);
-			{
-			 List<LamaPattern> elems = new ArrayList<LamaPattern>(); 
-			setState(491);
-			match(T__10);
-			setState(503);
-			_errHandler.sync(this);
-			_la = _input.LA(1);
-			if ((((_la) & ~0x3f) == 0 && ((1L << _la) & 1099529076107904L) != 0)) {
-				{
-				setState(492);
-				((Array_patternContext)_localctx).pattern = pattern();
-				 elems.addLast(((Array_patternContext)_localctx).pattern.result); 
-				setState(500);
-				_errHandler.sync(this);
-				_la = _input.LA(1);
-				while (_la==T__2) {
-					{
-					{
-					setState(494);
-					match(T__2);
-					setState(495);
-					((Array_patternContext)_localctx).pattern = pattern();
-					 elems.addLast(((Array_patternContext)_localctx).pattern.result); 
-					}
-					}
-					setState(502);
-					_errHandler.sync(this);
-					_la = _input.LA(1);
-				}
-				}
-			}
-
-			setState(505);
-			match(T__11);
-			 ((Array_patternContext)_localctx).result =  factory.createArrayPattern(elems); 
-			}
-		}
-		catch (RecognitionException re) {
-			_localctx.exception = re;
-			_errHandler.reportError(this, re);
-			_errHandler.recover(this, re);
-		}
-		finally {
-			exitRule();
-		}
-		return _localctx;
-	}
-
-	@SuppressWarnings("CheckReturnValue")
-	public static class List_patternContext extends ParserRuleContext {
-		public LamaPattern result;
-		public PatternContext pattern;
-		public List<PatternContext> pattern() {
-			return getRuleContexts(PatternContext.class);
-		}
-		public PatternContext pattern(int i) {
-			return getRuleContext(PatternContext.class,i);
-		}
-		public List_patternContext(ParserRuleContext parent, int invokingState) {
-			super(parent, invokingState);
-		}
-		@Override public int getRuleIndex() { return RULE_list_pattern; }
-		@Override
-		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).enterList_pattern(this);
-		}
-		@Override
-		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).exitList_pattern(this);
-		}
-		@Override
-		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
-			if ( visitor instanceof LamaVisitor ) return ((LamaVisitor<? extends T>)visitor).visitList_pattern(this);
-			else return visitor.visitChildren(this);
-		}
-	}
-
-	public final List_patternContext list_pattern() throws RecognitionException {
-		List_patternContext _localctx = new List_patternContext(_ctx, getState());
-		enterRule(_localctx, 58, RULE_list_pattern);
-		int _la;
-		try {
-			enterOuterAlt(_localctx, 1);
-			{
-			 List<LamaPattern> elems = new ArrayList<LamaPattern>(); 
-			setState(509);
-			match(T__8);
-			setState(521);
-			_errHandler.sync(this);
-			_la = _input.LA(1);
-			if ((((_la) & ~0x3f) == 0 && ((1L << _la) & 1099529076107904L) != 0)) {
-				{
-				setState(510);
-				((List_patternContext)_localctx).pattern = pattern();
-				 elems.addLast(((List_patternContext)_localctx).pattern.result); 
-				setState(518);
-				_errHandler.sync(this);
-				_la = _input.LA(1);
-				while (_la==T__2) {
-					{
-					{
-					setState(512);
-					match(T__2);
-					setState(513);
-					((List_patternContext)_localctx).pattern = pattern();
-					 elems.addLast(((List_patternContext)_localctx).pattern.result); 
-					}
-					}
-					setState(520);
-					_errHandler.sync(this);
-					_la = _input.LA(1);
-				}
-				}
-			}
-
-			setState(523);
-			match(T__9);
-			 ((List_patternContext)_localctx).result =  factory.createListSexpPattern(elems); 
-			}
-		}
-		catch (RecognitionException re) {
-			_localctx.exception = re;
-			_errHandler.reportError(this, re);
-			_errHandler.recover(this, re);
-		}
-		finally {
-			exitRule();
-		}
-		return _localctx;
-	}
-
-	@SuppressWarnings("CheckReturnValue")
-	public static class Case_expressionContext extends ParserRuleContext {
-		public LamaExpressionNode result;
-		public ExpressionContext expression;
-		public Case_branchesContext case_branches;
-		public ExpressionContext expression() {
-			return getRuleContext(ExpressionContext.class,0);
-		}
-		public Case_branchesContext case_branches() {
-			return getRuleContext(Case_branchesContext.class,0);
-		}
-		public Case_expressionContext(ParserRuleContext parent, int invokingState) {
-			super(parent, invokingState);
-		}
-		@Override public int getRuleIndex() { return RULE_case_expression; }
-		@Override
-		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).enterCase_expression(this);
-		}
-		@Override
-		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).exitCase_expression(this);
-		}
-		@Override
-		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
-			if ( visitor instanceof LamaVisitor ) return ((LamaVisitor<? extends T>)visitor).visitCase_expression(this);
-			else return visitor.visitChildren(this);
-		}
-	}
-
-	public final Case_expressionContext case_expression() throws RecognitionException {
-		Case_expressionContext _localctx = new Case_expressionContext(_ctx, getState());
-		enterRule(_localctx, 60, RULE_case_expression);
-		try {
-			enterOuterAlt(_localctx, 1);
-			{
-			setState(526);
-			match(T__34);
-			setState(527);
-			((Case_expressionContext)_localctx).expression = expression();
-			setState(528);
-			match(T__35);
-			setState(529);
-			((Case_expressionContext)_localctx).case_branches = case_branches();
-			setState(530);
-			match(T__36);
-			 ((Case_expressionContext)_localctx).result =  factory.createCaseNode(((Case_expressionContext)_localctx).expression.result, ((Case_expressionContext)_localctx).case_branches.pats, ((Case_expressionContext)_localctx).case_branches.exprs); 
-			}
-		}
-		catch (RecognitionException re) {
-			_localctx.exception = re;
-			_errHandler.reportError(this, re);
-			_errHandler.recover(this, re);
-		}
-		finally {
-			exitRule();
-		}
-		return _localctx;
-	}
-
-	@SuppressWarnings("CheckReturnValue")
-	public static class Case_branchesContext extends ParserRuleContext {
-		public List<LamaPattern> pats;
-		public List<LamaExpressionNode> exprs;
-		public Case_branchContext case_branch;
-		public List<Case_branchContext> case_branch() {
-			return getRuleContexts(Case_branchContext.class);
-		}
-		public Case_branchContext case_branch(int i) {
-			return getRuleContext(Case_branchContext.class,i);
-		}
-		public Case_branchesContext(ParserRuleContext parent, int invokingState) {
-			super(parent, invokingState);
-		}
-		@Override public int getRuleIndex() { return RULE_case_branches; }
-		@Override
-		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).enterCase_branches(this);
-		}
-		@Override
-		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).exitCase_branches(this);
-		}
-		@Override
-		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
-			if ( visitor instanceof LamaVisitor ) return ((LamaVisitor<? extends T>)visitor).visitCase_branches(this);
-			else return visitor.visitChildren(this);
-		}
-	}
-
-	public final Case_branchesContext case_branches() throws RecognitionException {
-		Case_branchesContext _localctx = new Case_branchesContext(_ctx, getState());
-		enterRule(_localctx, 62, RULE_case_branches);
-		int _la;
-		try {
-			enterOuterAlt(_localctx, 1);
-			{
-			 ((Case_branchesContext)_localctx).pats =  new ArrayList<LamaPattern>(); ((Case_branchesContext)_localctx).exprs =  new ArrayList<LamaExpressionNode> exprs; 
-			setState(534);
-			((Case_branchesContext)_localctx).case_branch = case_branch();
-			 _localctx.pats.addLast(((Case_branchesContext)_localctx).case_branch.pat); _localctx.exprs.addLast(((Case_branchesContext)_localctx).case_branch.expr); 
-			setState(542);
-			_errHandler.sync(this);
-			_la = _input.LA(1);
-			while (_la==T__37) {
-				{
-				{
-				setState(536);
-				match(T__37);
-				setState(537);
-				((Case_branchesContext)_localctx).case_branch = case_branch();
-				 _localctx.pats.addLast(((Case_branchesContext)_localctx).case_branch.pat); _localctx.exprs.addLast(((Case_branchesContext)_localctx).case_branch.expr); 
-				}
-				}
-				setState(544);
-				_errHandler.sync(this);
-				_la = _input.LA(1);
-			}
-			}
-		}
-		catch (RecognitionException re) {
-			_localctx.exception = re;
-			_errHandler.reportError(this, re);
-			_errHandler.recover(this, re);
-		}
-		finally {
-			exitRule();
-		}
-		return _localctx;
-	}
-
-	@SuppressWarnings("CheckReturnValue")
-	public static class Case_branchContext extends ParserRuleContext {
-		public LamaPattern pat;
-		public LamaExpressionNode expr;
-		public PatternContext pattern;
-		public Scope_expressionContext scope_expression;
-		public PatternContext pattern() {
-			return getRuleContext(PatternContext.class,0);
-		}
-		public Scope_expressionContext scope_expression() {
-			return getRuleContext(Scope_expressionContext.class,0);
-		}
-		public Case_branchContext(ParserRuleContext parent, int invokingState) {
-			super(parent, invokingState);
-		}
-		@Override public int getRuleIndex() { return RULE_case_branch; }
-		@Override
-		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).enterCase_branch(this);
-		}
-		@Override
-		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).exitCase_branch(this);
-		}
-		@Override
-		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
-			if ( visitor instanceof LamaVisitor ) return ((LamaVisitor<? extends T>)visitor).visitCase_branch(this);
-			else return visitor.visitChildren(this);
-		}
-	}
-
-	public final Case_branchContext case_branch() throws RecognitionException {
-		Case_branchContext _localctx = new Case_branchContext(_ctx, getState());
-		enterRule(_localctx, 64, RULE_case_branch);
-		try {
-			enterOuterAlt(_localctx, 1);
-			{
-			setState(545);
-			((Case_branchContext)_localctx).pattern = pattern();
-			 ((Case_branchContext)_localctx).pat =  ((Case_branchContext)_localctx).pattern.result; 
-			setState(547);
-			match(T__38);
-			setState(548);
-			((Case_branchContext)_localctx).scope_expression = scope_expression();
-			 ((Case_branchContext)_localctx).expr =  ((Case_branchContext)_localctx).scope_expression.result; 
-			}
-		}
-		catch (RecognitionException re) {
-			_localctx.exception = re;
-			_errHandler.reportError(this, re);
-			_errHandler.recover(this, re);
-		}
-		finally {
-			exitRule();
-		}
-		return _localctx;
-	}
-
-	@SuppressWarnings("CheckReturnValue")
-	public static class Any_infixContext extends ParserRuleContext {
-		public String result;
-		public Token INFIX;
-		public Token MINUS;
-		public TerminalNode INFIX() { return getToken(LamaParser.INFIX, 0); }
-		public TerminalNode MINUS() { return getToken(LamaParser.MINUS, 0); }
-		public Any_infixContext(ParserRuleContext parent, int invokingState) {
-			super(parent, invokingState);
-		}
-		@Override public int getRuleIndex() { return RULE_any_infix; }
-		@Override
-		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).enterAny_infix(this);
-		}
-		@Override
-		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).exitAny_infix(this);
-		}
-		@Override
-		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
-			if ( visitor instanceof LamaVisitor ) return ((LamaVisitor<? extends T>)visitor).visitAny_infix(this);
-			else return visitor.visitChildren(this);
-		}
-	}
-
-	public final Any_infixContext any_infix() throws RecognitionException {
-		Any_infixContext _localctx = new Any_infixContext(_ctx, getState());
-		enterRule(_localctx, 66, RULE_any_infix);
-		try {
-			setState(555);
-			_errHandler.sync(this);
-			switch (_input.LA(1)) {
-			case INFIX:
-				enterOuterAlt(_localctx, 1);
-				{
-				setState(551);
-				((Any_infixContext)_localctx).INFIX = match(INFIX);
-				 ((Any_infixContext)_localctx).result =  ((Any_infixContext)_localctx).INFIX; 
-				}
-				break;
-			case MINUS:
-				enterOuterAlt(_localctx, 2);
-				{
-				setState(553);
-				((Any_infixContext)_localctx).MINUS = match(MINUS);
-				 ((Any_infixContext)_localctx).result =  ((Any_infixContext)_localctx).MINUS; 
-				}
-				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 final String _serializedATN =
-		"\u0004\u00012\u022e\u0002\u0000\u0007\u0000\u0002\u0001\u0007\u0001\u0002"+
-		"\u0002\u0007\u0002\u0002\u0003\u0007\u0003\u0002\u0004\u0007\u0004\u0002"+
-		"\u0005\u0007\u0005\u0002\u0006\u0007\u0006\u0002\u0007\u0007\u0007\u0002"+
-		"\b\u0007\b\u0002\t\u0007\t\u0002\n\u0007\n\u0002\u000b\u0007\u000b\u0002"+
-		"\f\u0007\f\u0002\r\u0007\r\u0002\u000e\u0007\u000e\u0002\u000f\u0007\u000f"+
-		"\u0002\u0010\u0007\u0010\u0002\u0011\u0007\u0011\u0002\u0012\u0007\u0012"+
-		"\u0002\u0013\u0007\u0013\u0002\u0014\u0007\u0014\u0002\u0015\u0007\u0015"+
-		"\u0002\u0016\u0007\u0016\u0002\u0017\u0007\u0017\u0002\u0018\u0007\u0018"+
-		"\u0002\u0019\u0007\u0019\u0002\u001a\u0007\u001a\u0002\u001b\u0007\u001b"+
-		"\u0002\u001c\u0007\u001c\u0002\u001d\u0007\u001d\u0002\u001e\u0007\u001e"+
-		"\u0002\u001f\u0007\u001f\u0002 \u0007 \u0002!\u0007!\u0001\u0000\u0001"+
-		"\u0000\u0001\u0000\u0001\u0000\u0001\u0001\u0001\u0001\u0001\u0001\u0001"+
-		"\u0001\u0001\u0001\u0005\u0001N\b\u0001\n\u0001\f\u0001Q\t\u0001\u0001"+
-		"\u0001\u0001\u0001\u0001\u0001\u0003\u0001V\b\u0001\u0001\u0001\u0001"+
-		"\u0001\u0001\u0001\u0003\u0001[\b\u0001\u0001\u0002\u0001\u0002\u0001"+
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-		" \u0001 \u0001 \u0001 \u0001!\u0001!\u0001!\u0001!\u0003!\u022c\b!\u0001"+
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-		"\u0006\u000e\uffff\uffff\u0000\u00ee\u0116\u0001\u0000\u0000\u0000\u00ef"+
-		"\u00f0\u0005\u0006\u0000\u0000\u00f0\u00f1\u0005\u0007\u0000\u0000\u00f1"+
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-		"\u0001\u0000\u0000\u0000\u00f6\u00f7\u0005\u0010\u0000\u0000\u00f7\u0116"+
-		"\u0006\u000e\uffff\uffff\u0000\u00f8\u00f9\u0005\u0007\u0000\u0000\u00f9"+
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-		"\u0006\u000e\uffff\uffff\u0000\u00fc\u0116\u0001\u0000\u0000\u0000\u00fd"+
-		"\u00fe\u0003 \u0010\u0000\u00fe\u00ff\u0006\u000e\uffff\uffff\u0000\u00ff"+
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-		"\u0102\u0006\u000e\uffff\uffff\u0000\u0102\u0116\u0001\u0000\u0000\u0000"+
-		"\u0103\u0104\u0003\"\u0011\u0000\u0104\u0105\u0006\u000e\uffff\uffff\u0000"+
-		"\u0105\u0116\u0001\u0000\u0000\u0000\u0106\u0107\u0003$\u0012\u0000\u0107"+
-		"\u0108\u0006\u000e\uffff\uffff\u0000\u0108\u0116\u0001\u0000\u0000\u0000"+
-		"\u0109\u010a\u0003(\u0014\u0000\u010a\u010b\u0006\u000e\uffff\uffff\u0000"+
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-		"\u0016\uffff\uffff\u0000\u0187-\u0001\u0000\u0000\u0000\u0188\u0189\u0003"+
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-		"\u0000\u0000\u0000\u018b\u018c\u00032\u0019\u0000\u018c\u018d\u0006\u0017"+
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-		"\u0000\u01941\u0001\u0000\u0000\u0000\u0195\u0196\u00034\u001a\u0000\u0196"+
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-		"\u0000\u0000\u01ae\u01af\u0001\u0000\u0000\u0000\u01af\u01b0\u00051\u0000"+
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-		"\u0000\u01cb\u01cc\u0005\u0007\u0000\u0000\u01cc\u01cd\u0003.\u0017\u0000"+
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-		"\u0006\u001b\uffff\uffff\u0000\u01da\u01db\u0005\u0003\u0000\u0000\u01db"+
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-		"\u01df\u0001\u0000\u0000\u0000\u01de\u01da\u0001\u0000\u0000\u0000\u01df"+
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-		"\u0001\u0000\u0000\u0000\u01e7\u01e8\u0001\u0000\u0000\u0000\u01e8\u01e9"+
-		"\u0006\u001b\uffff\uffff\u0000\u01e97\u0001\u0000\u0000\u0000\u01ea\u01eb"+
-		"\u0006\u001c\uffff\uffff\u0000\u01eb\u01f7\u0005\u000b\u0000\u0000\u01ec"+
-		"\u01ed\u0003.\u0017\u0000\u01ed\u01f4\u0006\u001c\uffff\uffff\u0000\u01ee"+
-		"\u01ef\u0005\u0003\u0000\u0000\u01ef\u01f0\u0003.\u0017\u0000\u01f0\u01f1"+
-		"\u0006\u001c\uffff\uffff\u0000\u01f1\u01f3\u0001\u0000\u0000\u0000\u01f2"+
-		"\u01ee\u0001\u0000\u0000\u0000\u01f3\u01f6\u0001\u0000\u0000\u0000\u01f4"+
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-		"\u01ec\u0001\u0000\u0000\u0000\u01f7\u01f8\u0001\u0000\u0000\u0000\u01f8"+
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-		"\u0006\u001c\uffff\uffff\u0000\u01fb9\u0001\u0000\u0000\u0000\u01fc\u01fd"+
-		"\u0006\u001d\uffff\uffff\u0000\u01fd\u0209\u0005\t\u0000\u0000\u01fe\u01ff"+
-		"\u0003.\u0017\u0000\u01ff\u0206\u0006\u001d\uffff\uffff\u0000\u0200\u0201"+
-		"\u0005\u0003\u0000\u0000\u0201\u0202\u0003.\u0017\u0000\u0202\u0203\u0006"+
-		"\u001d\uffff\uffff\u0000\u0203\u0205\u0001\u0000\u0000\u0000\u0204\u0200"+
-		"\u0001\u0000\u0000\u0000\u0205\u0208\u0001\u0000\u0000\u0000\u0206\u0204"+
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-		"\u0001\u0000\u0000\u0000\u0208\u0206\u0001\u0000\u0000\u0000\u0209\u01fe"+
-		"\u0001\u0000\u0000\u0000\u0209\u020a\u0001\u0000\u0000\u0000\u020a\u020b"+
-		"\u0001\u0000\u0000\u0000\u020b\u020c\u0005\n\u0000\u0000\u020c\u020d\u0006"+
-		"\u001d\uffff\uffff\u0000\u020d;\u0001\u0000\u0000\u0000\u020e\u020f\u0005"+
-		"#\u0000\u0000\u020f\u0210\u0003\u0012\t\u0000\u0210\u0211\u0005$\u0000"+
-		"\u0000\u0211\u0212\u0003>\u001f\u0000\u0212\u0213\u0005%\u0000\u0000\u0213"+
-		"\u0214\u0006\u001e\uffff\uffff\u0000\u0214=\u0001\u0000\u0000\u0000\u0215"+
-		"\u0216\u0006\u001f\uffff\uffff\u0000\u0216\u0217\u0003@ \u0000\u0217\u021e"+
-		"\u0006\u001f\uffff\uffff\u0000\u0218\u0219\u0005&\u0000\u0000\u0219\u021a"+
-		"\u0003@ \u0000\u021a\u021b\u0006\u001f\uffff\uffff\u0000\u021b\u021d\u0001"+
-		"\u0000\u0000\u0000\u021c\u0218\u0001\u0000\u0000\u0000\u021d\u0220\u0001"+
-		"\u0000\u0000\u0000\u021e\u021c\u0001\u0000\u0000\u0000\u021e\u021f\u0001"+
-		"\u0000\u0000\u0000\u021f?\u0001\u0000\u0000\u0000\u0220\u021e\u0001\u0000"+
-		"\u0000\u0000\u0221\u0222\u0003.\u0017\u0000\u0222\u0223\u0006 \uffff\uffff"+
-		"\u0000\u0223\u0224\u0005\'\u0000\u0000\u0224\u0225\u0003\u0002\u0001\u0000"+
-		"\u0225\u0226\u0006 \uffff\uffff\u0000\u0226A\u0001\u0000\u0000\u0000\u0227"+
-		"\u0228\u0005,\u0000\u0000\u0228\u022c\u0006!\uffff\uffff\u0000\u0229\u022a"+
-		"\u0005+\u0000\u0000\u022a\u022c\u0006!\uffff\uffff\u0000\u022b\u0227\u0001"+
-		"\u0000\u0000\u0000\u022b\u0229\u0001\u0000\u0000\u0000\u022cC\u0001\u0000"+
-		"\u0000\u0000(OUZbhu\u0081\u0086\u008c\u009a\u00a8\u00b5\u00bb\u00c4\u00d1"+
-		"\u00dd\u0115\u0121\u0124\u0133\u0136\u0146\u0149\u014c\u0158\u0165\u016d"+
-		"\u018e\u01a7\u01ad\u01d0\u01e0\u01e3\u01e6\u01f4\u01f7\u0206\u0209\u021e"+
-		"\u022b";
-	public static final ATN _ATN =
-		new ATNDeserializer().deserialize(_serializedATN.toCharArray());
-	static {
-		_decisionToDFA = new DFA[_ATN.getNumberOfDecisions()];
-		for (int i = 0; i < _ATN.getNumberOfDecisions(); i++) {
-			_decisionToDFA[i] = new DFA(_ATN.getDecisionState(i), i);
-		}
-	}
+    static {
+        RuntimeMetaData.checkVersion("4.13.2", RuntimeMetaData.VERSION);
+    }
+
+    protected static final DFA[] _decisionToDFA;
+    protected static final PredictionContextCache _sharedContextCache =
+            new PredictionContextCache();
+    public static final int
+            T__0 = 1, T__1 = 2, T__2 = 3, T__3 = 4, T__4 = 5, T__5 = 6, T__6 = 7, T__7 = 8, T__8 = 9,
+            T__9 = 10, T__10 = 11, T__11 = 12, T__12 = 13, T__13 = 14, T__14 = 15, T__15 = 16, T__16 = 17,
+            T__17 = 18, T__18 = 19, T__19 = 20, T__20 = 21, T__21 = 22, T__22 = 23, T__23 = 24,
+            T__24 = 25, T__25 = 26, T__26 = 27, T__27 = 28, T__28 = 29, T__29 = 30, T__30 = 31,
+            T__31 = 32, T__32 = 33, T__33 = 34, T__34 = 35, T__35 = 36, T__36 = 37, T__37 = 38,
+            T__38 = 39, WS = 40, COMMENT = 41, LINE_COMMENT = 42, MINUS = 43, INFIX = 44, UIDENT = 45,
+            LIDENT = 46, CHAR_LITERAL = 47, STRING_LITERAL = 48, DECIMAL_LITERAL = 49, WORD = 50;
+    public static final int
+            RULE_lama = 0, RULE_scope_expression = 1, RULE_definition = 2, RULE_variable_definition = 3,
+            RULE_variable_definition_sequence = 4, RULE_variable_definition_item = 5,
+            RULE_function_definition = 6, RULE_function_arguments = 7, RULE_function_body = 8,
+            RULE_expression = 9, RULE_basic_expression = 10, RULE_binary_expression = 11,
+            RULE_postfix_expression = 12, RULE_postfix = 13, RULE_primary = 14, RULE_array_expression = 15,
+            RULE_list_expression = 16, RULE_s_expression = 17, RULE_if_expression = 18,
+            RULE_else_part = 19, RULE_while_do_expression = 20, RULE_do_while_expression = 21,
+            RULE_for_expression = 22, RULE_pattern = 23, RULE_cons_pattern = 24, RULE_simple_pattern = 25,
+            RULE_wildcard_pattern = 26, RULE_s_expr_pattern = 27, RULE_array_pattern = 28,
+            RULE_list_pattern = 29, RULE_case_expression = 30, RULE_case_branches = 31,
+            RULE_case_branch = 32, RULE_any_infix = 33;
+
+    private static String[] makeRuleNames() {
+        return new String[]{
+                "lama", "scope_expression", "definition", "variable_definition", "variable_definition_sequence",
+                "variable_definition_item", "function_definition", "function_arguments",
+                "function_body", "expression", "basic_expression", "binary_expression",
+                "postfix_expression", "postfix", "primary", "array_expression", "list_expression",
+                "s_expression", "if_expression", "else_part", "while_do_expression",
+                "do_while_expression", "for_expression", "pattern", "cons_pattern", "simple_pattern",
+                "wildcard_pattern", "s_expr_pattern", "array_pattern", "list_pattern",
+                "case_expression", "case_branches", "case_branch", "any_infix"
+        };
+    }
+
+    public static final String[] ruleNames = makeRuleNames();
+
+    private static String[] makeLiteralNames() {
+        return new String[]{
+                null, "'var'", "'public'", "','", "';'", "'='", "'fun'", "'('", "')'",
+                "'{'", "'}'", "'['", "']'", "'true'", "'false'", "'infix'", "'skip'",
+                "'if'", "'then'", "'fi'", "'elif'", "'else'", "'while'", "'do'", "'od'",
+                "'for'", "':'", "'@'", "'#'", "'box'", "'val'", "'str'", "'array'", "'sexp'",
+                "'_'", "'case'", "'of'", "'esac'", "'|'", "'->'", null, null, null, "'-'"
+        };
+    }
+
+    private static final String[] _LITERAL_NAMES = makeLiteralNames();
+
+    private static String[] makeSymbolicNames() {
+        return new String[]{
+                null, null, null, null, null, null, null, null, null, null, null, null,
+                null, null, null, null, null, null, null, null, null, null, null, null,
+                null, null, null, null, null, null, null, null, null, null, null, null,
+                null, null, null, null, "WS", "COMMENT", "LINE_COMMENT", "MINUS", "INFIX",
+                "UIDENT", "LIDENT", "CHAR_LITERAL", "STRING_LITERAL", "DECIMAL_LITERAL",
+                "WORD"
+        };
+    }
+
+    private static final String[] _SYMBOLIC_NAMES = makeSymbolicNames();
+    public static final Vocabulary VOCABULARY = new VocabularyImpl(_LITERAL_NAMES, _SYMBOLIC_NAMES);
+
+    /**
+     * @deprecated Use {@link #VOCABULARY} instead.
+     */
+    @Deprecated
+    public static final String[] tokenNames;
+
+    static {
+        tokenNames = new String[_SYMBOLIC_NAMES.length];
+        for (int i = 0; i < tokenNames.length; i++) {
+            tokenNames[i] = VOCABULARY.getLiteralName(i);
+            if (tokenNames[i] == null) {
+                tokenNames[i] = VOCABULARY.getSymbolicName(i);
+            }
+
+            if (tokenNames[i] == null) {
+                tokenNames[i] = "<INVALID>";
+            }
+        }
+    }
+
+    @Override
+    @Deprecated
+    public String[] getTokenNames() {
+        return tokenNames;
+    }
+
+    @Override
+
+    public Vocabulary getVocabulary() {
+        return VOCABULARY;
+    }
+
+    @Override
+    public String getGrammarFileName() {
+        return "Lama.g4";
+    }
+
+    @Override
+    public String[] getRuleNames() {
+        return ruleNames;
+    }
+
+    @Override
+    public String getSerializedATN() {
+        return _serializedATN;
+    }
+
+    @Override
+    public ATN getATN() {
+        return _ATN;
+    }
+
+
+    private LamaNodeFactory factory;
+    private Source source;
+
+    private static final class BailoutErrorListener extends BaseErrorListener {
+        private final Source source;
+
+        BailoutErrorListener(Source source) {
+            this.source = source;
+        }
+
+        @Override
+        public void syntaxError(Recognizer<?, ?> recognizer, Object offendingSymbol, int line, int charPositionInLine, String msg, RecognitionException e) {
+            throwParseError(source, line, charPositionInLine, (Token) offendingSymbol, msg);
+        }
+    }
+
+    public void SemErr(Token token, String message) {
+        assert token != null;
+        throwParseError(source, token.getLine(), token.getCharPositionInLine(), token, message);
+    }
+
+    private static void throwParseError(Source source, int line, int charPositionInLine, Token token, String message) {
+        int col = charPositionInLine + 1;
+        String location = "-- line " + line + " col " + col + ": ";
+        int length = token == null ? 1 : Math.max(token.getStopIndex() - token.getStartIndex(), 0);
+        throw new LamaParseError(source, line, col, length, String.format("Error(s) parsing script:%n" + location + message));
+    }
+
+    public static LamaRootNode parseLama(LamaLanguage language, Source source) {
+        LamaLexer lexer = new LamaLexer(CharStreams.fromString(source.getCharacters().toString()));
+        LamaParser parser = new LamaParser(new CommonTokenStream(lexer));
+        lexer.removeErrorListeners();
+        parser.removeErrorListeners();
+        BailoutErrorListener listener = new BailoutErrorListener(source);
+        lexer.addErrorListener(listener);
+        parser.addErrorListener(listener);
+        parser.factory = new LamaNodeFactory(language, source);
+        parser.source = source;
+        parser.lama();
+        return parser.factory.getRootExpr();
+    }
+
+    public LamaParser(TokenStream input) {
+        super(input);
+        _interp = new ParserATNSimulator(this, _ATN, _decisionToDFA, _sharedContextCache);
+    }
+
+    @SuppressWarnings("CheckReturnValue")
+    public static class LamaContext extends ParserRuleContext {
+        public LamaExpressionNode result;
+        public Scope_expressionContext scope_expression;
+
+        public Scope_expressionContext scope_expression() {
+            return getRuleContext(Scope_expressionContext.class, 0);
+        }
+
+        public TerminalNode EOF() {
+            return getToken(LamaParser.EOF, 0);
+        }
+
+        public LamaContext(ParserRuleContext parent, int invokingState) {
+            super(parent, invokingState);
+        }
+
+        @Override
+        public int getRuleIndex() {
+            return RULE_lama;
+        }
+
+        @Override
+        public void enterRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).enterLama(this);
+        }
+
+        @Override
+        public void exitRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).exitLama(this);
+        }
+
+        @Override
+        public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
+            if (visitor instanceof LamaVisitor) return ((LamaVisitor<? extends T>) visitor).visitLama(this);
+            else return visitor.visitChildren(this);
+        }
+    }
+
+    public final LamaContext lama() throws RecognitionException {
+        LamaContext _localctx = new LamaContext(_ctx, getState());
+        enterRule(_localctx, 0, RULE_lama);
+        try {
+            enterOuterAlt(_localctx, 1);
+            {
+                setState(68);
+                ((LamaContext) _localctx).scope_expression = scope_expression(false);
+                ((LamaContext) _localctx).result = ((LamaContext) _localctx).scope_expression.result;
+                factory.setRootExpr(_localctx.result);
+                setState(70);
+                match(EOF);
+            }
+        } catch (RecognitionException re) {
+            _localctx.exception = re;
+            _errHandler.reportError(this, re);
+            _errHandler.recover(this, re);
+        } finally {
+            exitRule();
+        }
+        return _localctx;
+    }
+
+    @SuppressWarnings("CheckReturnValue")
+    public static class Scope_expressionContext extends ParserRuleContext {
+        public boolean do_scope;
+        public LamaExpressionNode result;
+        public ExpressionContext expression;
+
+        public List<DefinitionContext> definition() {
+            return getRuleContexts(DefinitionContext.class);
+        }
+
+        public DefinitionContext definition(int i) {
+            return getRuleContext(DefinitionContext.class, i);
+        }
+
+        public ExpressionContext expression() {
+            return getRuleContext(ExpressionContext.class, 0);
+        }
+
+        public Scope_expressionContext(ParserRuleContext parent, int invokingState) {
+            super(parent, invokingState);
+        }
+
+        public Scope_expressionContext(ParserRuleContext parent, int invokingState, boolean do_scope) {
+            super(parent, invokingState);
+            this.do_scope = do_scope;
+        }
+
+        @Override
+        public int getRuleIndex() {
+            return RULE_scope_expression;
+        }
+
+        @Override
+        public void enterRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).enterScope_expression(this);
+        }
+
+        @Override
+        public void exitRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).exitScope_expression(this);
+        }
+
+        @Override
+        public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
+            if (visitor instanceof LamaVisitor) return ((LamaVisitor<? extends T>) visitor).visitScope_expression(this);
+            else return visitor.visitChildren(this);
+        }
+    }
+
+    public final Scope_expressionContext scope_expression(boolean do_scope) throws RecognitionException {
+        Scope_expressionContext _localctx = new Scope_expressionContext(_ctx, getState(), do_scope);
+        enterRule(_localctx, 2, RULE_scope_expression);
+        try {
+            int _alt;
+            enterOuterAlt(_localctx, 1);
+            {
+                if (do_scope) {
+                    factory.enterScope();
+                }
+                setState(91);
+                _errHandler.sync(this);
+                switch (getInterpreter().adaptivePredict(_input, 2, _ctx)) {
+                    case 1: {
+                        setState(73);
+                        definition();
+                        ((Scope_expressionContext) _localctx).result = ((Scope_expressionContext) _localctx).expression.result;
+                        setState(80);
+                        _errHandler.sync(this);
+                        _alt = getInterpreter().adaptivePredict(_input, 0, _ctx);
+                        while (_alt != 2 && _alt != ATN.INVALID_ALT_NUMBER) {
+                            if (_alt == 1) {
+                                {
+                                    {
+                                        setState(75);
+                                        definition();
+                                        ((Scope_expressionContext) _localctx).result = factory.createSeqNode(_localctx.result, ((Scope_expressionContext) _localctx).expression.result);
+                                    }
+                                }
+                            }
+                            setState(82);
+                            _errHandler.sync(this);
+                            _alt = getInterpreter().adaptivePredict(_input, 0, _ctx);
+                        }
+                        setState(86);
+                        _errHandler.sync(this);
+                        switch (getInterpreter().adaptivePredict(_input, 1, _ctx)) {
+                            case 1: {
+                                setState(83);
+                                ((Scope_expressionContext) _localctx).expression = expression();
+                                ((Scope_expressionContext) _localctx).result = factory.createSeqNode(_localctx.result, ((Scope_expressionContext) _localctx).expression.result);
+                            }
+                            break;
+                        }
+                    }
+                    break;
+                    case 2: {
+                        setState(88);
+                        ((Scope_expressionContext) _localctx).expression = expression();
+                        ((Scope_expressionContext) _localctx).result = ((Scope_expressionContext) _localctx).expression.result;
+                    }
+                    break;
+                }
+                if (do_scope) {
+                    factory.exitScope();
+                }
+            }
+        } catch (RecognitionException re) {
+            _localctx.exception = re;
+            _errHandler.reportError(this, re);
+            _errHandler.recover(this, re);
+        } finally {
+            exitRule();
+        }
+        return _localctx;
+    }
+
+    @SuppressWarnings("CheckReturnValue")
+    public static class DefinitionContext extends ParserRuleContext {
+        public LamaExpressionNode result;
+        public Variable_definitionContext variable_definition;
+        public Function_definitionContext function_definition;
+
+        public Variable_definitionContext variable_definition() {
+            return getRuleContext(Variable_definitionContext.class, 0);
+        }
+
+        public Function_definitionContext function_definition() {
+            return getRuleContext(Function_definitionContext.class, 0);
+        }
+
+        public DefinitionContext(ParserRuleContext parent, int invokingState) {
+            super(parent, invokingState);
+        }
+
+        @Override
+        public int getRuleIndex() {
+            return RULE_definition;
+        }
+
+        @Override
+        public void enterRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).enterDefinition(this);
+        }
+
+        @Override
+        public void exitRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).exitDefinition(this);
+        }
+
+        @Override
+        public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
+            if (visitor instanceof LamaVisitor) return ((LamaVisitor<? extends T>) visitor).visitDefinition(this);
+            else return visitor.visitChildren(this);
+        }
+    }
+
+    public final DefinitionContext definition() throws RecognitionException {
+        DefinitionContext _localctx = new DefinitionContext(_ctx, getState());
+        enterRule(_localctx, 4, RULE_definition);
+        try {
+            setState(101);
+            _errHandler.sync(this);
+            switch (getInterpreter().adaptivePredict(_input, 3, _ctx)) {
+                case 1:
+                    enterOuterAlt(_localctx, 1);
+                {
+                    setState(95);
+                    ((DefinitionContext) _localctx).variable_definition = variable_definition();
+                    ((DefinitionContext) _localctx).result = ((DefinitionContext) _localctx).variable_definition.result;
+                }
+                break;
+                case 2:
+                    enterOuterAlt(_localctx, 2);
+                {
+                    setState(98);
+                    ((DefinitionContext) _localctx).function_definition = function_definition();
+                    ((DefinitionContext) _localctx).result = ((DefinitionContext) _localctx).function_definition.result;
+                }
+                break;
+            }
+        } catch (RecognitionException re) {
+            _localctx.exception = re;
+            _errHandler.reportError(this, re);
+            _errHandler.recover(this, re);
+        } finally {
+            exitRule();
+        }
+        return _localctx;
+    }
+
+    @SuppressWarnings("CheckReturnValue")
+    public static class Variable_definitionContext extends ParserRuleContext {
+        public LamaExpressionNode result;
+        public Variable_definition_sequenceContext variable_definition_sequence;
+
+        public Variable_definition_sequenceContext variable_definition_sequence() {
+            return getRuleContext(Variable_definition_sequenceContext.class, 0);
+        }
+
+        public Variable_definitionContext(ParserRuleContext parent, int invokingState) {
+            super(parent, invokingState);
+        }
+
+        @Override
+        public int getRuleIndex() {
+            return RULE_variable_definition;
+        }
+
+        @Override
+        public void enterRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).enterVariable_definition(this);
+        }
+
+        @Override
+        public void exitRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).exitVariable_definition(this);
+        }
+
+        @Override
+        public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
+            if (visitor instanceof LamaVisitor)
+                return ((LamaVisitor<? extends T>) visitor).visitVariable_definition(this);
+            else return visitor.visitChildren(this);
+        }
+    }
+
+    public final Variable_definitionContext variable_definition() throws RecognitionException {
+        Variable_definitionContext _localctx = new Variable_definitionContext(_ctx, getState());
+        enterRule(_localctx, 6, RULE_variable_definition);
+        try {
+            enterOuterAlt(_localctx, 1);
+            {
+                boolean is_public = false;
+                setState(107);
+                _errHandler.sync(this);
+                switch (_input.LA(1)) {
+                    case T__0: {
+                        setState(104);
+                        match(T__0);
+                    }
+                    break;
+                    case T__1: {
+                        setState(105);
+                        match(T__1);
+                        is_public = true;
+                    }
+                    break;
+                    default:
+                        throw new NoViableAltException(this);
+                }
+                setState(109);
+                ((Variable_definitionContext) _localctx).variable_definition_sequence = variable_definition_sequence(is_public);
+                ((Variable_definitionContext) _localctx).result = ((Variable_definitionContext) _localctx).variable_definition_sequence.result;
+            }
+        } catch (RecognitionException re) {
+            _localctx.exception = re;
+            _errHandler.reportError(this, re);
+            _errHandler.recover(this, re);
+        } finally {
+            exitRule();
+        }
+        return _localctx;
+    }
+
+    @SuppressWarnings("CheckReturnValue")
+    public static class Variable_definition_sequenceContext extends ParserRuleContext {
+        public boolean is_public;
+        public LamaExpressionNode result;
+        public Variable_definition_itemContext variable_definition_item;
+
+        public List<Variable_definition_itemContext> variable_definition_item() {
+            return getRuleContexts(Variable_definition_itemContext.class);
+        }
+
+        public Variable_definition_itemContext variable_definition_item(int i) {
+            return getRuleContext(Variable_definition_itemContext.class, i);
+        }
+
+        public Variable_definition_sequenceContext(ParserRuleContext parent, int invokingState) {
+            super(parent, invokingState);
+        }
+
+        public Variable_definition_sequenceContext(ParserRuleContext parent, int invokingState, boolean is_public) {
+            super(parent, invokingState);
+            this.is_public = is_public;
+        }
+
+        @Override
+        public int getRuleIndex() {
+            return RULE_variable_definition_sequence;
+        }
+
+        @Override
+        public void enterRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).enterVariable_definition_sequence(this);
+        }
+
+        @Override
+        public void exitRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).exitVariable_definition_sequence(this);
+        }
+
+        @Override
+        public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
+            if (visitor instanceof LamaVisitor)
+                return ((LamaVisitor<? extends T>) visitor).visitVariable_definition_sequence(this);
+            else return visitor.visitChildren(this);
+        }
+    }
+
+    public final Variable_definition_sequenceContext variable_definition_sequence(boolean is_public) throws RecognitionException {
+        Variable_definition_sequenceContext _localctx = new Variable_definition_sequenceContext(_ctx, getState(), is_public);
+        enterRule(_localctx, 8, RULE_variable_definition_sequence);
+        int _la;
+        try {
+            enterOuterAlt(_localctx, 1);
+            {
+                setState(112);
+                ((Variable_definition_sequenceContext) _localctx).variable_definition_item = variable_definition_item();
+                ((Variable_definition_sequenceContext) _localctx).result = factory.createAssignVarNode(((Variable_definition_sequenceContext) _localctx).variable_definition_item.name, ((Variable_definition_sequenceContext) _localctx).variable_definition_item.expr);
+                setState(120);
+                _errHandler.sync(this);
+                _la = _input.LA(1);
+                while (_la == T__2) {
+                    {
+                        {
+                            setState(114);
+                            match(T__2);
+                            setState(115);
+                            ((Variable_definition_sequenceContext) _localctx).variable_definition_item = variable_definition_item();
+                            ((Variable_definition_sequenceContext) _localctx).result = factory.createSeqNode(_localctx.result, factory.createAssignVarNode(((Variable_definition_sequenceContext) _localctx).variable_definition_item.name, ((Variable_definition_sequenceContext) _localctx).variable_definition_item.expr));
+                        }
+                    }
+                    setState(122);
+                    _errHandler.sync(this);
+                    _la = _input.LA(1);
+                }
+                setState(123);
+                match(T__3);
+            }
+        } catch (RecognitionException re) {
+            _localctx.exception = re;
+            _errHandler.reportError(this, re);
+            _errHandler.recover(this, re);
+        } finally {
+            exitRule();
+        }
+        return _localctx;
+    }
+
+    @SuppressWarnings("CheckReturnValue")
+    public static class Variable_definition_itemContext extends ParserRuleContext {
+        public Token name;
+        public LamaExpressionNode expr;
+        public Token LIDENT;
+        public Basic_expressionContext basic_expression;
+
+        public TerminalNode LIDENT() {
+            return getToken(LamaParser.LIDENT, 0);
+        }
+
+        public Basic_expressionContext basic_expression() {
+            return getRuleContext(Basic_expressionContext.class, 0);
+        }
+
+        public Variable_definition_itemContext(ParserRuleContext parent, int invokingState) {
+            super(parent, invokingState);
+        }
+
+        @Override
+        public int getRuleIndex() {
+            return RULE_variable_definition_item;
+        }
+
+        @Override
+        public void enterRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).enterVariable_definition_item(this);
+        }
+
+        @Override
+        public void exitRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).exitVariable_definition_item(this);
+        }
+
+        @Override
+        public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
+            if (visitor instanceof LamaVisitor)
+                return ((LamaVisitor<? extends T>) visitor).visitVariable_definition_item(this);
+            else return visitor.visitChildren(this);
+        }
+    }
+
+    public final Variable_definition_itemContext variable_definition_item() throws RecognitionException {
+        Variable_definition_itemContext _localctx = new Variable_definition_itemContext(_ctx, getState());
+        enterRule(_localctx, 10, RULE_variable_definition_item);
+        int _la;
+        try {
+            enterOuterAlt(_localctx, 1);
+            {
+                ((Variable_definition_itemContext) _localctx).expr = null;
+                setState(126);
+                ((Variable_definition_itemContext) _localctx).LIDENT = match(LIDENT);
+                ((Variable_definition_itemContext) _localctx).name = ((Variable_definition_itemContext) _localctx).LIDENT;
+                setState(132);
+                _errHandler.sync(this);
+                _la = _input.LA(1);
+                if (_la == T__4) {
+                    {
+                        setState(128);
+                        match(T__4);
+                        setState(129);
+                        ((Variable_definition_itemContext) _localctx).basic_expression = basic_expression();
+                        ((Variable_definition_itemContext) _localctx).expr = ((Variable_definition_itemContext) _localctx).basic_expression.result;
+                    }
+                }
+
+            }
+        } catch (RecognitionException re) {
+            _localctx.exception = re;
+            _errHandler.reportError(this, re);
+            _errHandler.recover(this, re);
+        } finally {
+            exitRule();
+        }
+        return _localctx;
+    }
+
+    @SuppressWarnings("CheckReturnValue")
+    public static class Function_definitionContext extends ParserRuleContext {
+        public LamaExpressionNode result;
+        public Token LIDENT;
+        public Function_argumentsContext function_arguments;
+        public Function_bodyContext function_body;
+
+        public TerminalNode LIDENT() {
+            return getToken(LamaParser.LIDENT, 0);
+        }
+
+        public Function_bodyContext function_body() {
+            return getRuleContext(Function_bodyContext.class, 0);
+        }
+
+        public Function_argumentsContext function_arguments() {
+            return getRuleContext(Function_argumentsContext.class, 0);
+        }
+
+        public Function_definitionContext(ParserRuleContext parent, int invokingState) {
+            super(parent, invokingState);
+        }
+
+        @Override
+        public int getRuleIndex() {
+            return RULE_function_definition;
+        }
+
+        @Override
+        public void enterRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).enterFunction_definition(this);
+        }
+
+        @Override
+        public void exitRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).exitFunction_definition(this);
+        }
+
+        @Override
+        public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
+            if (visitor instanceof LamaVisitor)
+                return ((LamaVisitor<? extends T>) visitor).visitFunction_definition(this);
+            else return visitor.visitChildren(this);
+        }
+    }
+
+    public final Function_definitionContext function_definition() throws RecognitionException {
+        Function_definitionContext _localctx = new Function_definitionContext(_ctx, getState());
+        enterRule(_localctx, 12, RULE_function_definition);
+        int _la;
+        try {
+            enterOuterAlt(_localctx, 1);
+            {
+
+                boolean is_public = false;
+                List<Token> args = new ArrayList<Token>();
+                factory.enterScope(LamaNodeFactory.LexicalScope.Kind.FUNCTION);
+
+                setState(137);
+                _errHandler.sync(this);
+                _la = _input.LA(1);
+                if (_la == T__1) {
+                    {
+                        setState(135);
+                        match(T__1);
+                        is_public = true;
+                    }
+                }
+
+                setState(139);
+                match(T__5);
+                setState(140);
+                ((Function_definitionContext) _localctx).LIDENT = match(LIDENT);
+                setState(141);
+                match(T__6);
+                setState(145);
+                _errHandler.sync(this);
+                _la = _input.LA(1);
+                if (_la == LIDENT) {
+                    {
+                        setState(142);
+                        ((Function_definitionContext) _localctx).function_arguments = function_arguments();
+                        args = ((Function_definitionContext) _localctx).function_arguments.args;
+                        factory.addFunctionArguments(args);
+                    }
+                }
+
+                setState(147);
+                match(T__7);
+                setState(148);
+                ((Function_definitionContext) _localctx).function_body = function_body();
+
+                ((Function_definitionContext) _localctx).result = factory.createClosureNode(((Function_definitionContext) _localctx).LIDENT, ((Function_definitionContext) _localctx).function_body.result, args.size()); // create lambda for the function
+                factory.exitScope(); // TODO: create exit node to create vars ??
+                ((Function_definitionContext) _localctx).result = factory.createAssignVarNode(((Function_definitionContext) _localctx).LIDENT, _localctx.result); // create global function: out of the created scope
+
+            }
+        } catch (RecognitionException re) {
+            _localctx.exception = re;
+            _errHandler.reportError(this, re);
+            _errHandler.recover(this, re);
+        } finally {
+            exitRule();
+        }
+        return _localctx;
+    }
+
+    @SuppressWarnings("CheckReturnValue")
+    public static class Function_argumentsContext extends ParserRuleContext {
+        public List<Token> args;
+        public Token LIDENT;
+
+        public List<TerminalNode> LIDENT() {
+            return getTokens(LamaParser.LIDENT);
+        }
+
+        public TerminalNode LIDENT(int i) {
+            return getToken(LamaParser.LIDENT, i);
+        }
+
+        public Function_argumentsContext(ParserRuleContext parent, int invokingState) {
+            super(parent, invokingState);
+        }
+
+        @Override
+        public int getRuleIndex() {
+            return RULE_function_arguments;
+        }
+
+        @Override
+        public void enterRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).enterFunction_arguments(this);
+        }
+
+        @Override
+        public void exitRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).exitFunction_arguments(this);
+        }
+
+        @Override
+        public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
+            if (visitor instanceof LamaVisitor)
+                return ((LamaVisitor<? extends T>) visitor).visitFunction_arguments(this);
+            else return visitor.visitChildren(this);
+        }
+    }
+
+    public final Function_argumentsContext function_arguments() throws RecognitionException {
+        Function_argumentsContext _localctx = new Function_argumentsContext(_ctx, getState());
+        enterRule(_localctx, 14, RULE_function_arguments);
+        int _la;
+        try {
+            enterOuterAlt(_localctx, 1);
+            {
+                ((Function_argumentsContext) _localctx).args = new ArrayList<Token>();
+                setState(152);
+                ((Function_argumentsContext) _localctx).LIDENT = match(LIDENT);
+                _localctx.args.addLast(((Function_argumentsContext) _localctx).LIDENT);
+                setState(159);
+                _errHandler.sync(this);
+                _la = _input.LA(1);
+                while (_la == T__2) {
+                    {
+                        {
+                            setState(154);
+                            match(T__2);
+                            setState(155);
+                            ((Function_argumentsContext) _localctx).LIDENT = match(LIDENT);
+                            _localctx.args.addLast(((Function_argumentsContext) _localctx).LIDENT);
+                        }
+                    }
+                    setState(161);
+                    _errHandler.sync(this);
+                    _la = _input.LA(1);
+                }
+            }
+        } catch (RecognitionException re) {
+            _localctx.exception = re;
+            _errHandler.reportError(this, re);
+            _errHandler.recover(this, re);
+        } finally {
+            exitRule();
+        }
+        return _localctx;
+    }
+
+    @SuppressWarnings("CheckReturnValue")
+    public static class Function_bodyContext extends ParserRuleContext {
+        public LamaExpressionNode result;
+        public Scope_expressionContext scope_expression;
+
+        public Scope_expressionContext scope_expression() {
+            return getRuleContext(Scope_expressionContext.class, 0);
+        }
+
+        public Function_bodyContext(ParserRuleContext parent, int invokingState) {
+            super(parent, invokingState);
+        }
+
+        @Override
+        public int getRuleIndex() {
+            return RULE_function_body;
+        }
+
+        @Override
+        public void enterRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).enterFunction_body(this);
+        }
+
+        @Override
+        public void exitRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).exitFunction_body(this);
+        }
+
+        @Override
+        public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
+            if (visitor instanceof LamaVisitor) return ((LamaVisitor<? extends T>) visitor).visitFunction_body(this);
+            else return visitor.visitChildren(this);
+        }
+    }
+
+    public final Function_bodyContext function_body() throws RecognitionException {
+        Function_bodyContext _localctx = new Function_bodyContext(_ctx, getState());
+        enterRule(_localctx, 16, RULE_function_body);
+        try {
+            enterOuterAlt(_localctx, 1);
+            {
+                setState(162);
+                match(T__8);
+                setState(163);
+                ((Function_bodyContext) _localctx).scope_expression = scope_expression(true);
+                ((Function_bodyContext) _localctx).result = ((Function_bodyContext) _localctx).scope_expression.result;
+                setState(165);
+                match(T__9);
+            }
+        } catch (RecognitionException re) {
+            _localctx.exception = re;
+            _errHandler.reportError(this, re);
+            _errHandler.recover(this, re);
+        } finally {
+            exitRule();
+        }
+        return _localctx;
+    }
+
+    @SuppressWarnings("CheckReturnValue")
+    public static class ExpressionContext extends ParserRuleContext {
+        public LamaExpressionNode result;
+        public Basic_expressionContext basic_expression;
+        public ExpressionContext expression;
+
+        public Basic_expressionContext basic_expression() {
+            return getRuleContext(Basic_expressionContext.class, 0);
+        }
+
+        public ExpressionContext expression() {
+            return getRuleContext(ExpressionContext.class, 0);
+        }
+
+        public ExpressionContext(ParserRuleContext parent, int invokingState) {
+            super(parent, invokingState);
+        }
+
+        @Override
+        public int getRuleIndex() {
+            return RULE_expression;
+        }
+
+        @Override
+        public void enterRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).enterExpression(this);
+        }
+
+        @Override
+        public void exitRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).exitExpression(this);
+        }
+
+        @Override
+        public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
+            if (visitor instanceof LamaVisitor) return ((LamaVisitor<? extends T>) visitor).visitExpression(this);
+            else return visitor.visitChildren(this);
+        }
+    }
+
+    public final ExpressionContext expression() throws RecognitionException {
+        ExpressionContext _localctx = new ExpressionContext(_ctx, getState());
+        enterRule(_localctx, 18, RULE_expression);
+        int _la;
+        try {
+            enterOuterAlt(_localctx, 1);
+            {
+                setState(167);
+                ((ExpressionContext) _localctx).basic_expression = basic_expression();
+                ((ExpressionContext) _localctx).result = ((ExpressionContext) _localctx).basic_expression.result;
+                setState(173);
+                _errHandler.sync(this);
+                _la = _input.LA(1);
+                if (_la == T__3) {
+                    {
+                        setState(169);
+                        match(T__3);
+                        setState(170);
+                        ((ExpressionContext) _localctx).expression = expression();
+                        ((ExpressionContext) _localctx).result = factory.createSeqNode(_localctx.result, ((ExpressionContext) _localctx).expression.result);
+                    }
+                }
+
+            }
+        } catch (RecognitionException re) {
+            _localctx.exception = re;
+            _errHandler.reportError(this, re);
+            _errHandler.recover(this, re);
+        } finally {
+            exitRule();
+        }
+        return _localctx;
+    }
+
+    @SuppressWarnings("CheckReturnValue")
+    public static class Basic_expressionContext extends ParserRuleContext {
+        public LamaExpressionNode result;
+        public Binary_expressionContext binary_expression;
+
+        public Binary_expressionContext binary_expression() {
+            return getRuleContext(Binary_expressionContext.class, 0);
+        }
+
+        public Basic_expressionContext(ParserRuleContext parent, int invokingState) {
+            super(parent, invokingState);
+        }
+
+        @Override
+        public int getRuleIndex() {
+            return RULE_basic_expression;
+        }
+
+        @Override
+        public void enterRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).enterBasic_expression(this);
+        }
+
+        @Override
+        public void exitRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).exitBasic_expression(this);
+        }
+
+        @Override
+        public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
+            if (visitor instanceof LamaVisitor) return ((LamaVisitor<? extends T>) visitor).visitBasic_expression(this);
+            else return visitor.visitChildren(this);
+        }
+    }
+
+    public final Basic_expressionContext basic_expression() throws RecognitionException {
+        Basic_expressionContext _localctx = new Basic_expressionContext(_ctx, getState());
+        enterRule(_localctx, 20, RULE_basic_expression);
+        try {
+            enterOuterAlt(_localctx, 1);
+            {
+                setState(175);
+                ((Basic_expressionContext) _localctx).binary_expression = binary_expression();
+                ((Basic_expressionContext) _localctx).result = ((Basic_expressionContext) _localctx).binary_expression.result;
+            }
+        } catch (RecognitionException re) {
+            _localctx.exception = re;
+            _errHandler.reportError(this, re);
+            _errHandler.recover(this, re);
+        } finally {
+            exitRule();
+        }
+        return _localctx;
+    }
+
+    @SuppressWarnings("CheckReturnValue")
+    public static class Binary_expressionContext extends ParserRuleContext {
+        public LamaExpressionNode result;
+        public Postfix_expressionContext postfix_expression;
+        public Any_infixContext any_infix;
+
+        public List<Postfix_expressionContext> postfix_expression() {
+            return getRuleContexts(Postfix_expressionContext.class);
+        }
+
+        public Postfix_expressionContext postfix_expression(int i) {
+            return getRuleContext(Postfix_expressionContext.class, i);
+        }
+
+        public List<Any_infixContext> any_infix() {
+            return getRuleContexts(Any_infixContext.class);
+        }
+
+        public Any_infixContext any_infix(int i) {
+            return getRuleContext(Any_infixContext.class, i);
+        }
+
+        public Binary_expressionContext(ParserRuleContext parent, int invokingState) {
+            super(parent, invokingState);
+        }
+
+        @Override
+        public int getRuleIndex() {
+            return RULE_binary_expression;
+        }
+
+        @Override
+        public void enterRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).enterBinary_expression(this);
+        }
+
+        @Override
+        public void exitRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).exitBinary_expression(this);
+        }
+
+        @Override
+        public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
+            if (visitor instanceof LamaVisitor)
+                return ((LamaVisitor<? extends T>) visitor).visitBinary_expression(this);
+            else return visitor.visitChildren(this);
+        }
+    }
+
+    public final Binary_expressionContext binary_expression() throws RecognitionException {
+        Binary_expressionContext _localctx = new Binary_expressionContext(_ctx, getState());
+        enterRule(_localctx, 22, RULE_binary_expression);
+        int _la;
+        try {
+            enterOuterAlt(_localctx, 1);
+            {
+                setState(178);
+                ((Binary_expressionContext) _localctx).postfix_expression = postfix_expression();
+                ((Binary_expressionContext) _localctx).result = ((Binary_expressionContext) _localctx).postfix_expression.result;
+                setState(186);
+                _errHandler.sync(this);
+                _la = _input.LA(1);
+                while (_la == MINUS || _la == INFIX) {
+                    {
+                        {
+                            setState(180);
+                            ((Binary_expressionContext) _localctx).any_infix = any_infix();
+                            setState(181);
+                            ((Binary_expressionContext) _localctx).postfix_expression = postfix_expression();
+                            ((Binary_expressionContext) _localctx).result = factory.createBinopNode(((Binary_expressionContext) _localctx).any_infix.result, _localctx.result, ((Binary_expressionContext) _localctx).postfix_expression.result);
+                        }
+                    }
+                    setState(188);
+                    _errHandler.sync(this);
+                    _la = _input.LA(1);
+                }
+            }
+        } catch (RecognitionException re) {
+            _localctx.exception = re;
+            _errHandler.reportError(this, re);
+            _errHandler.recover(this, re);
+        } finally {
+            exitRule();
+        }
+        return _localctx;
+    }
+
+    @SuppressWarnings("CheckReturnValue")
+    public static class Postfix_expressionContext extends ParserRuleContext {
+        public LamaExpressionNode result;
+        public Token MINUS;
+        public PrimaryContext primary;
+        public PostfixContext postfix;
+
+        public PrimaryContext primary() {
+            return getRuleContext(PrimaryContext.class, 0);
+        }
+
+        public TerminalNode MINUS() {
+            return getToken(LamaParser.MINUS, 0);
+        }
+
+        public List<PostfixContext> postfix() {
+            return getRuleContexts(PostfixContext.class);
+        }
+
+        public PostfixContext postfix(int i) {
+            return getRuleContext(PostfixContext.class, i);
+        }
+
+        public Postfix_expressionContext(ParserRuleContext parent, int invokingState) {
+            super(parent, invokingState);
+        }
+
+        @Override
+        public int getRuleIndex() {
+            return RULE_postfix_expression;
+        }
+
+        @Override
+        public void enterRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).enterPostfix_expression(this);
+        }
+
+        @Override
+        public void exitRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).exitPostfix_expression(this);
+        }
+
+        @Override
+        public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
+            if (visitor instanceof LamaVisitor)
+                return ((LamaVisitor<? extends T>) visitor).visitPostfix_expression(this);
+            else return visitor.visitChildren(this);
+        }
+    }
+
+    public final Postfix_expressionContext postfix_expression() throws RecognitionException {
+        Postfix_expressionContext _localctx = new Postfix_expressionContext(_ctx, getState());
+        enterRule(_localctx, 24, RULE_postfix_expression);
+        int _la;
+        try {
+            enterOuterAlt(_localctx, 1);
+            {
+                boolean with_minus = false;
+                setState(192);
+                _errHandler.sync(this);
+                _la = _input.LA(1);
+                if (_la == MINUS) {
+                    {
+                        setState(190);
+                        ((Postfix_expressionContext) _localctx).MINUS = match(MINUS);
+                        with_minus = true;
+                    }
+                }
+
+                setState(194);
+                ((Postfix_expressionContext) _localctx).primary = primary();
+                ((Postfix_expressionContext) _localctx).result = ((Postfix_expressionContext) _localctx).primary.result;
+                setState(201);
+                _errHandler.sync(this);
+                _la = _input.LA(1);
+                while (_la == T__6 || _la == T__10) {
+                    {
+                        {
+                            setState(196);
+                            ((Postfix_expressionContext) _localctx).postfix = postfix();
+
+                            if (((Postfix_expressionContext) _localctx).postfix.access_index.isPresent()) {
+                                ((Postfix_expressionContext) _localctx).result = factory.createElemValueNode(_localctx.result, ((Postfix_expressionContext) _localctx).postfix.access_index.get());
+                                // TODO: choose between elem and ref
+                            } else {
+                                ((Postfix_expressionContext) _localctx).result = factory.createCallNode(_localctx.result, ((Postfix_expressionContext) _localctx).postfix.args);
+                            }
+
+                        }
+                    }
+                    setState(203);
+                    _errHandler.sync(this);
+                    _la = _input.LA(1);
+                }
+
+                if (with_minus) {
+                    ((Postfix_expressionContext) _localctx).result = factory.createBinopNode(
+                            ((Postfix_expressionContext) _localctx).MINUS,
+                            factory.createValueConstNode(((Postfix_expressionContext) _localctx).MINUS, 0),
+                            _localctx.result);
+                }
+
+            }
+        } catch (RecognitionException re) {
+            _localctx.exception = re;
+            _errHandler.reportError(this, re);
+            _errHandler.recover(this, re);
+        } finally {
+            exitRule();
+        }
+        return _localctx;
+    }
+
+    @SuppressWarnings("CheckReturnValue")
+    public static class PostfixContext extends ParserRuleContext {
+        public List<LamaExpressionNode> args;
+        public Optional<LamaExpressionNode> access_index;
+        public ExpressionContext expression;
+
+        public List<ExpressionContext> expression() {
+            return getRuleContexts(ExpressionContext.class);
+        }
+
+        public ExpressionContext expression(int i) {
+            return getRuleContext(ExpressionContext.class, i);
+        }
+
+        public PostfixContext(ParserRuleContext parent, int invokingState) {
+            super(parent, invokingState);
+        }
+
+        @Override
+        public int getRuleIndex() {
+            return RULE_postfix;
+        }
+
+        @Override
+        public void enterRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).enterPostfix(this);
+        }
+
+        @Override
+        public void exitRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).exitPostfix(this);
+        }
+
+        @Override
+        public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
+            if (visitor instanceof LamaVisitor) return ((LamaVisitor<? extends T>) visitor).visitPostfix(this);
+            else return visitor.visitChildren(this);
+        }
+    }
+
+    public final PostfixContext postfix() throws RecognitionException {
+        PostfixContext _localctx = new PostfixContext(_ctx, getState());
+        enterRule(_localctx, 26, RULE_postfix);
+        int _la;
+        try {
+            setState(228);
+            _errHandler.sync(this);
+            switch (getInterpreter().adaptivePredict(_input, 15, _ctx)) {
+                case 1:
+                    enterOuterAlt(_localctx, 1);
+                {
+                    ((PostfixContext) _localctx).args = new ArrayList<LamaExpressionNode>();
+                    ((PostfixContext) _localctx).access_index = Optional.empty();
+                    setState(207);
+                    match(T__6);
+                    setState(208);
+                    ((PostfixContext) _localctx).expression = expression();
+                    _localctx.args.addLast(((PostfixContext) _localctx).expression.result);
+                    setState(216);
+                    _errHandler.sync(this);
+                    _la = _input.LA(1);
+                    while (_la == T__2) {
+                        {
+                            {
+                                setState(210);
+                                match(T__2);
+                                setState(211);
+                                ((PostfixContext) _localctx).expression = expression();
+                                _localctx.args.addLast(((PostfixContext) _localctx).expression.result);
+                            }
+                        }
+                        setState(218);
+                        _errHandler.sync(this);
+                        _la = _input.LA(1);
+                    }
+                    setState(219);
+                    match(T__7);
+                }
+                break;
+                case 2:
+                    enterOuterAlt(_localctx, 2);
+                {
+                    setState(221);
+                    match(T__6);
+                    setState(222);
+                    match(T__7);
+                }
+                break;
+                case 3:
+                    enterOuterAlt(_localctx, 3);
+                {
+                    setState(223);
+                    match(T__10);
+                    setState(224);
+                    ((PostfixContext) _localctx).expression = expression();
+                    ((PostfixContext) _localctx).access_index = Optional.of(((PostfixContext) _localctx).expression.result);
+                    setState(226);
+                    match(T__11);
+                }
+                break;
+            }
+        } catch (RecognitionException re) {
+            _localctx.exception = re;
+            _errHandler.reportError(this, re);
+            _errHandler.recover(this, re);
+        } finally {
+            exitRule();
+        }
+        return _localctx;
+    }
+
+    @SuppressWarnings("CheckReturnValue")
+    public static class PrimaryContext extends ParserRuleContext {
+        public LamaExpressionNode result;
+        public Token DECIMAL_LITERAL;
+        public Token STRING_LITERAL;
+        public Token CHAR_LITERAL;
+        public Token LIDENT;
+        public Token tok;
+        public Any_infixContext any_infix;
+        public Function_argumentsContext function_arguments;
+        public Function_bodyContext function_body;
+        public Scope_expressionContext scope_expression;
+        public List_expressionContext list_expression;
+        public Array_expressionContext array_expression;
+        public S_expressionContext s_expression;
+        public If_expressionContext if_expression;
+        public While_do_expressionContext while_do_expression;
+        public Do_while_expressionContext do_while_expression;
+        public For_expressionContext for_expression;
+        public Case_expressionContext case_expression;
+
+        public TerminalNode DECIMAL_LITERAL() {
+            return getToken(LamaParser.DECIMAL_LITERAL, 0);
+        }
+
+        public TerminalNode STRING_LITERAL() {
+            return getToken(LamaParser.STRING_LITERAL, 0);
+        }
+
+        public TerminalNode CHAR_LITERAL() {
+            return getToken(LamaParser.CHAR_LITERAL, 0);
+        }
+
+        public TerminalNode LIDENT() {
+            return getToken(LamaParser.LIDENT, 0);
+        }
+
+        public Any_infixContext any_infix() {
+            return getRuleContext(Any_infixContext.class, 0);
+        }
+
+        public Function_argumentsContext function_arguments() {
+            return getRuleContext(Function_argumentsContext.class, 0);
+        }
+
+        public Function_bodyContext function_body() {
+            return getRuleContext(Function_bodyContext.class, 0);
+        }
+
+        public Scope_expressionContext scope_expression() {
+            return getRuleContext(Scope_expressionContext.class, 0);
+        }
+
+        public List_expressionContext list_expression() {
+            return getRuleContext(List_expressionContext.class, 0);
+        }
+
+        public Array_expressionContext array_expression() {
+            return getRuleContext(Array_expressionContext.class, 0);
+        }
+
+        public S_expressionContext s_expression() {
+            return getRuleContext(S_expressionContext.class, 0);
+        }
+
+        public If_expressionContext if_expression() {
+            return getRuleContext(If_expressionContext.class, 0);
+        }
+
+        public While_do_expressionContext while_do_expression() {
+            return getRuleContext(While_do_expressionContext.class, 0);
+        }
+
+        public Do_while_expressionContext do_while_expression() {
+            return getRuleContext(Do_while_expressionContext.class, 0);
+        }
+
+        public For_expressionContext for_expression() {
+            return getRuleContext(For_expressionContext.class, 0);
+        }
+
+        public Case_expressionContext case_expression() {
+            return getRuleContext(Case_expressionContext.class, 0);
+        }
+
+        public PrimaryContext(ParserRuleContext parent, int invokingState) {
+            super(parent, invokingState);
+        }
+
+        @Override
+        public int getRuleIndex() {
+            return RULE_primary;
+        }
+
+        @Override
+        public void enterRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).enterPrimary(this);
+        }
+
+        @Override
+        public void exitRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).exitPrimary(this);
+        }
+
+        @Override
+        public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
+            if (visitor instanceof LamaVisitor) return ((LamaVisitor<? extends T>) visitor).visitPrimary(this);
+            else return visitor.visitChildren(this);
+        }
+    }
+
+    public final PrimaryContext primary() throws RecognitionException {
+        PrimaryContext _localctx = new PrimaryContext(_ctx, getState());
+        enterRule(_localctx, 28, RULE_primary);
+        try {
+            setState(286);
+            _errHandler.sync(this);
+            switch (_input.LA(1)) {
+                case DECIMAL_LITERAL:
+                    enterOuterAlt(_localctx, 1);
+                {
+                    setState(230);
+                    ((PrimaryContext) _localctx).DECIMAL_LITERAL = match(DECIMAL_LITERAL);
+                    ((PrimaryContext) _localctx).result = factory.createConstNode(((PrimaryContext) _localctx).DECIMAL_LITERAL);
+                }
+                break;
+                case STRING_LITERAL:
+                    enterOuterAlt(_localctx, 2);
+                {
+                    setState(232);
+                    ((PrimaryContext) _localctx).STRING_LITERAL = match(STRING_LITERAL);
+                    ((PrimaryContext) _localctx).result = factory.createStringNode(((PrimaryContext) _localctx).STRING_LITERAL);
+                }
+                break;
+                case CHAR_LITERAL:
+                    enterOuterAlt(_localctx, 3);
+                {
+                    setState(234);
+                    ((PrimaryContext) _localctx).CHAR_LITERAL = match(CHAR_LITERAL);
+                    ((PrimaryContext) _localctx).result = factory.createCharConstNode(((PrimaryContext) _localctx).CHAR_LITERAL);
+                }
+                break;
+                case LIDENT:
+                    enterOuterAlt(_localctx, 4);
+                {
+                    setState(236);
+                    ((PrimaryContext) _localctx).LIDENT = match(LIDENT);
+                    ((PrimaryContext) _localctx).result = factory.createValueNode(((PrimaryContext) _localctx).LIDENT);
+                }
+                break;
+                case T__12:
+                    enterOuterAlt(_localctx, 5);
+                {
+                    setState(238);
+                    ((PrimaryContext) _localctx).tok = match(T__12);
+                    ((PrimaryContext) _localctx).result = factory.createValueConstNode(((PrimaryContext) _localctx).tok, 1);
+                }
+                break;
+                case T__13:
+                    enterOuterAlt(_localctx, 6);
+                {
+                    setState(240);
+                    ((PrimaryContext) _localctx).tok = match(T__13);
+                    ((PrimaryContext) _localctx).result = factory.createValueConstNode(((PrimaryContext) _localctx).tok, 0);
+                }
+                break;
+                case T__14:
+                    enterOuterAlt(_localctx, 7);
+                {
+                    setState(242);
+                    match(T__14);
+                    setState(243);
+                    ((PrimaryContext) _localctx).any_infix = any_infix();
+                    ((PrimaryContext) _localctx).result = factory.createValueNode(((PrimaryContext) _localctx).any_infix.result);
+                }
+                break;
+                case T__5:
+                    enterOuterAlt(_localctx, 8);
+                {
+                    setState(246);
+                    ((PrimaryContext) _localctx).tok = match(T__5);
+                    setState(247);
+                    match(T__6);
+
+                    List<Token> args = new ArrayList<Token>();
+                    factory.enterScope(LamaNodeFactory.LexicalScope.Kind.INNER_CLOSURE);
+
+                    setState(249);
+                    ((PrimaryContext) _localctx).function_arguments = function_arguments();
+                    args = ((PrimaryContext) _localctx).function_arguments.args;
+                    factory.addFunctionArguments(args);
+                    setState(251);
+                    match(T__7);
+                    setState(252);
+                    ((PrimaryContext) _localctx).function_body = function_body();
+
+                    ((PrimaryContext) _localctx).result = factory.createClosureNode(((PrimaryContext) _localctx).tok, ((PrimaryContext) _localctx).function_body.result, args.size());
+                    factory.exitScope(); // TODO: create exit node to create vars ??
+
+                }
+                break;
+                case T__15:
+                    enterOuterAlt(_localctx, 9);
+                {
+                    setState(255);
+                    ((PrimaryContext) _localctx).tok = match(T__15);
+                    ((PrimaryContext) _localctx).result = factory.createSkipNode(((PrimaryContext) _localctx).tok);
+                }
+                break;
+                case T__6:
+                    enterOuterAlt(_localctx, 10);
+                {
+                    setState(257);
+                    match(T__6);
+                    setState(258);
+                    ((PrimaryContext) _localctx).scope_expression = scope_expression(true);
+                    setState(259);
+                    match(T__7);
+                    ((PrimaryContext) _localctx).result = ((PrimaryContext) _localctx).scope_expression.result;
+                }
+                break;
+                case T__8:
+                    enterOuterAlt(_localctx, 11);
+                {
+                    setState(262);
+                    ((PrimaryContext) _localctx).list_expression = list_expression();
+                    ((PrimaryContext) _localctx).result = ((PrimaryContext) _localctx).list_expression.result;
+                }
+                break;
+                case T__10:
+                    enterOuterAlt(_localctx, 12);
+                {
+                    setState(265);
+                    ((PrimaryContext) _localctx).array_expression = array_expression();
+                    ((PrimaryContext) _localctx).result = ((PrimaryContext) _localctx).array_expression.result;
+                }
+                break;
+                case UIDENT:
+                    enterOuterAlt(_localctx, 13);
+                {
+                    setState(268);
+                    ((PrimaryContext) _localctx).s_expression = s_expression();
+                    ((PrimaryContext) _localctx).result = ((PrimaryContext) _localctx).s_expression.result;
+                }
+                break;
+                case T__16:
+                    enterOuterAlt(_localctx, 14);
+                {
+                    setState(271);
+                    ((PrimaryContext) _localctx).if_expression = if_expression();
+                    ((PrimaryContext) _localctx).result = ((PrimaryContext) _localctx).if_expression.result;
+                }
+                break;
+                case T__21:
+                    enterOuterAlt(_localctx, 15);
+                {
+                    setState(274);
+                    ((PrimaryContext) _localctx).while_do_expression = while_do_expression();
+                    ((PrimaryContext) _localctx).result = ((PrimaryContext) _localctx).while_do_expression.result;
+                }
+                break;
+                case T__22:
+                    enterOuterAlt(_localctx, 16);
+                {
+                    setState(277);
+                    ((PrimaryContext) _localctx).do_while_expression = do_while_expression();
+                    ((PrimaryContext) _localctx).result = ((PrimaryContext) _localctx).do_while_expression.result;
+                }
+                break;
+                case T__24:
+                    enterOuterAlt(_localctx, 17);
+                {
+                    setState(280);
+                    ((PrimaryContext) _localctx).for_expression = for_expression();
+                    ((PrimaryContext) _localctx).result = ((PrimaryContext) _localctx).for_expression.result;
+                }
+                break;
+                case T__34:
+                    enterOuterAlt(_localctx, 18);
+                {
+                    setState(283);
+                    ((PrimaryContext) _localctx).case_expression = case_expression();
+                    ((PrimaryContext) _localctx).result = ((PrimaryContext) _localctx).case_expression.result;
+                }
+                break;
+                default:
+                    throw new NoViableAltException(this);
+            }
+        } catch (RecognitionException re) {
+            _localctx.exception = re;
+            _errHandler.reportError(this, re);
+            _errHandler.recover(this, re);
+        } finally {
+            exitRule();
+        }
+        return _localctx;
+    }
+
+    @SuppressWarnings("CheckReturnValue")
+    public static class Array_expressionContext extends ParserRuleContext {
+        public LamaExpressionNode result;
+        public ExpressionContext expression;
+
+        public List<ExpressionContext> expression() {
+            return getRuleContexts(ExpressionContext.class);
+        }
+
+        public ExpressionContext expression(int i) {
+            return getRuleContext(ExpressionContext.class, i);
+        }
+
+        public Array_expressionContext(ParserRuleContext parent, int invokingState) {
+            super(parent, invokingState);
+        }
+
+        @Override
+        public int getRuleIndex() {
+            return RULE_array_expression;
+        }
+
+        @Override
+        public void enterRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).enterArray_expression(this);
+        }
+
+        @Override
+        public void exitRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).exitArray_expression(this);
+        }
+
+        @Override
+        public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
+            if (visitor instanceof LamaVisitor) return ((LamaVisitor<? extends T>) visitor).visitArray_expression(this);
+            else return visitor.visitChildren(this);
+        }
+    }
+
+    public final Array_expressionContext array_expression() throws RecognitionException {
+        Array_expressionContext _localctx = new Array_expressionContext(_ctx, getState());
+        enterRule(_localctx, 30, RULE_array_expression);
+        int _la;
+        try {
+            enterOuterAlt(_localctx, 1);
+            {
+                List<LamaExpressionNode> elems = new ArrayList<LamaExpressionNode>();
+                setState(289);
+                match(T__10);
+                setState(301);
+                _errHandler.sync(this);
+                _la = _input.LA(1);
+                if ((((_la) & ~0x3f) == 0 && ((1L << _la) & 1099546033908416L) != 0)) {
+                    {
+                        setState(290);
+                        ((Array_expressionContext) _localctx).expression = expression();
+                        elems.addLast(((Array_expressionContext) _localctx).expression.result);
+                        setState(298);
+                        _errHandler.sync(this);
+                        _la = _input.LA(1);
+                        while (_la == T__2) {
+                            {
+                                {
+                                    setState(292);
+                                    match(T__2);
+                                    setState(293);
+                                    ((Array_expressionContext) _localctx).expression = expression();
+                                    elems.addLast(((Array_expressionContext) _localctx).expression.result);
+                                }
+                            }
+                            setState(300);
+                            _errHandler.sync(this);
+                            _la = _input.LA(1);
+                        }
+                    }
+                }
+
+                setState(303);
+                match(T__11);
+                ((Array_expressionContext) _localctx).result = factory.createArrayNode(elems);
+            }
+        } catch (RecognitionException re) {
+            _localctx.exception = re;
+            _errHandler.reportError(this, re);
+            _errHandler.recover(this, re);
+        } finally {
+            exitRule();
+        }
+        return _localctx;
+    }
+
+    @SuppressWarnings("CheckReturnValue")
+    public static class List_expressionContext extends ParserRuleContext {
+        public LamaExpressionNode result;
+        public ExpressionContext expression;
+
+        public List<ExpressionContext> expression() {
+            return getRuleContexts(ExpressionContext.class);
+        }
+
+        public ExpressionContext expression(int i) {
+            return getRuleContext(ExpressionContext.class, i);
+        }
+
+        public List_expressionContext(ParserRuleContext parent, int invokingState) {
+            super(parent, invokingState);
+        }
+
+        @Override
+        public int getRuleIndex() {
+            return RULE_list_expression;
+        }
+
+        @Override
+        public void enterRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).enterList_expression(this);
+        }
+
+        @Override
+        public void exitRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).exitList_expression(this);
+        }
+
+        @Override
+        public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
+            if (visitor instanceof LamaVisitor) return ((LamaVisitor<? extends T>) visitor).visitList_expression(this);
+            else return visitor.visitChildren(this);
+        }
+    }
+
+    public final List_expressionContext list_expression() throws RecognitionException {
+        List_expressionContext _localctx = new List_expressionContext(_ctx, getState());
+        enterRule(_localctx, 32, RULE_list_expression);
+        int _la;
+        try {
+            enterOuterAlt(_localctx, 1);
+            {
+                List<LamaExpressionNode> elems = new ArrayList<LamaExpressionNode>();
+                setState(307);
+                match(T__8);
+                setState(319);
+                _errHandler.sync(this);
+                _la = _input.LA(1);
+                if ((((_la) & ~0x3f) == 0 && ((1L << _la) & 1099546033908416L) != 0)) {
+                    {
+                        setState(308);
+                        ((List_expressionContext) _localctx).expression = expression();
+                        elems.addLast(((List_expressionContext) _localctx).expression.result);
+                        setState(316);
+                        _errHandler.sync(this);
+                        _la = _input.LA(1);
+                        while (_la == T__2) {
+                            {
+                                {
+                                    setState(310);
+                                    match(T__2);
+                                    setState(311);
+                                    ((List_expressionContext) _localctx).expression = expression();
+                                    elems.addLast(((List_expressionContext) _localctx).expression.result);
+                                }
+                            }
+                            setState(318);
+                            _errHandler.sync(this);
+                            _la = _input.LA(1);
+                        }
+                    }
+                }
+
+                setState(321);
+                match(T__9);
+                ((List_expressionContext) _localctx).result = factory.createListSexpNode(elems);
+            }
+        } catch (RecognitionException re) {
+            _localctx.exception = re;
+            _errHandler.reportError(this, re);
+            _errHandler.recover(this, re);
+        } finally {
+            exitRule();
+        }
+        return _localctx;
+    }
+
+    @SuppressWarnings("CheckReturnValue")
+    public static class S_expressionContext extends ParserRuleContext {
+        public LamaExpressionNode result;
+        public Token UIDENT;
+        public ExpressionContext expression;
+
+        public TerminalNode UIDENT() {
+            return getToken(LamaParser.UIDENT, 0);
+        }
+
+        public List<ExpressionContext> expression() {
+            return getRuleContexts(ExpressionContext.class);
+        }
+
+        public ExpressionContext expression(int i) {
+            return getRuleContext(ExpressionContext.class, i);
+        }
+
+        public S_expressionContext(ParserRuleContext parent, int invokingState) {
+            super(parent, invokingState);
+        }
+
+        @Override
+        public int getRuleIndex() {
+            return RULE_s_expression;
+        }
+
+        @Override
+        public void enterRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).enterS_expression(this);
+        }
+
+        @Override
+        public void exitRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).exitS_expression(this);
+        }
+
+        @Override
+        public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
+            if (visitor instanceof LamaVisitor) return ((LamaVisitor<? extends T>) visitor).visitS_expression(this);
+            else return visitor.visitChildren(this);
+        }
+    }
+
+    public final S_expressionContext s_expression() throws RecognitionException {
+        S_expressionContext _localctx = new S_expressionContext(_ctx, getState());
+        enterRule(_localctx, 34, RULE_s_expression);
+        int _la;
+        try {
+            enterOuterAlt(_localctx, 1);
+            {
+                List<LamaExpressionNode> elems = new ArrayList<LamaExpressionNode>();
+                setState(325);
+                ((S_expressionContext) _localctx).UIDENT = match(UIDENT);
+                setState(341);
+                _errHandler.sync(this);
+                switch (getInterpreter().adaptivePredict(_input, 23, _ctx)) {
+                    case 1: {
+                        setState(326);
+                        match(T__6);
+                        setState(338);
+                        _errHandler.sync(this);
+                        _la = _input.LA(1);
+                        if ((((_la) & ~0x3f) == 0 && ((1L << _la) & 1099546033908416L) != 0)) {
+                            {
+                                setState(327);
+                                ((S_expressionContext) _localctx).expression = expression();
+                                elems.addLast(((S_expressionContext) _localctx).expression.result);
+                                setState(335);
+                                _errHandler.sync(this);
+                                _la = _input.LA(1);
+                                while (_la == T__2) {
+                                    {
+                                        {
+                                            setState(329);
+                                            match(T__2);
+                                            setState(330);
+                                            ((S_expressionContext) _localctx).expression = expression();
+                                            elems.addLast(((S_expressionContext) _localctx).expression.result);
+                                        }
+                                    }
+                                    setState(337);
+                                    _errHandler.sync(this);
+                                    _la = _input.LA(1);
+                                }
+                            }
+                        }
+
+                        setState(340);
+                        match(T__7);
+                    }
+                    break;
+                }
+                ((S_expressionContext) _localctx).result = factory.createSexpNode(((S_expressionContext) _localctx).UIDENT, elems);
+            }
+        } catch (RecognitionException re) {
+            _localctx.exception = re;
+            _errHandler.reportError(this, re);
+            _errHandler.recover(this, re);
+        } finally {
+            exitRule();
+        }
+        return _localctx;
+    }
+
+    @SuppressWarnings("CheckReturnValue")
+    public static class If_expressionContext extends ParserRuleContext {
+        public LamaExpressionNode result;
+        public ExpressionContext expression;
+        public Scope_expressionContext scope_expression;
+        public Else_partContext else_part;
+
+        public ExpressionContext expression() {
+            return getRuleContext(ExpressionContext.class, 0);
+        }
+
+        public Scope_expressionContext scope_expression() {
+            return getRuleContext(Scope_expressionContext.class, 0);
+        }
+
+        public Else_partContext else_part() {
+            return getRuleContext(Else_partContext.class, 0);
+        }
+
+        public If_expressionContext(ParserRuleContext parent, int invokingState) {
+            super(parent, invokingState);
+        }
+
+        @Override
+        public int getRuleIndex() {
+            return RULE_if_expression;
+        }
+
+        @Override
+        public void enterRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).enterIf_expression(this);
+        }
+
+        @Override
+        public void exitRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).exitIf_expression(this);
+        }
+
+        @Override
+        public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
+            if (visitor instanceof LamaVisitor) return ((LamaVisitor<? extends T>) visitor).visitIf_expression(this);
+            else return visitor.visitChildren(this);
+        }
+    }
+
+    public final If_expressionContext if_expression() throws RecognitionException {
+        If_expressionContext _localctx = new If_expressionContext(_ctx, getState());
+        enterRule(_localctx, 36, RULE_if_expression);
+        int _la;
+        try {
+            enterOuterAlt(_localctx, 1);
+            {
+                LamaExpressionNode do_else = null;
+                setState(346);
+                match(T__16);
+                setState(347);
+                ((If_expressionContext) _localctx).expression = expression();
+                setState(348);
+                match(T__17);
+                setState(349);
+                ((If_expressionContext) _localctx).scope_expression = scope_expression(true);
+                setState(353);
+                _errHandler.sync(this);
+                _la = _input.LA(1);
+                if (_la == T__19 || _la == T__20) {
+                    {
+                        setState(350);
+                        ((If_expressionContext) _localctx).else_part = else_part();
+                        do_else = ((If_expressionContext) _localctx).else_part.result;
+                    }
+                }
+
+                setState(355);
+                match(T__18);
+                ((If_expressionContext) _localctx).result = factory.createIfNode(((If_expressionContext) _localctx).expression.result, ((If_expressionContext) _localctx).scope_expression.result, do_else);
+            }
+        } catch (RecognitionException re) {
+            _localctx.exception = re;
+            _errHandler.reportError(this, re);
+            _errHandler.recover(this, re);
+        } finally {
+            exitRule();
+        }
+        return _localctx;
+    }
+
+    @SuppressWarnings("CheckReturnValue")
+    public static class Else_partContext extends ParserRuleContext {
+        public LamaExpressionNode result;
+        public ExpressionContext expression;
+        public Scope_expressionContext scope_expression;
+        public Else_partContext else_part;
+
+        public ExpressionContext expression() {
+            return getRuleContext(ExpressionContext.class, 0);
+        }
+
+        public Scope_expressionContext scope_expression() {
+            return getRuleContext(Scope_expressionContext.class, 0);
+        }
+
+        public Else_partContext else_part() {
+            return getRuleContext(Else_partContext.class, 0);
+        }
+
+        public Else_partContext(ParserRuleContext parent, int invokingState) {
+            super(parent, invokingState);
+        }
+
+        @Override
+        public int getRuleIndex() {
+            return RULE_else_part;
+        }
+
+        @Override
+        public void enterRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).enterElse_part(this);
+        }
+
+        @Override
+        public void exitRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).exitElse_part(this);
+        }
+
+        @Override
+        public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
+            if (visitor instanceof LamaVisitor) return ((LamaVisitor<? extends T>) visitor).visitElse_part(this);
+            else return visitor.visitChildren(this);
+        }
+    }
+
+    public final Else_partContext else_part() throws RecognitionException {
+        Else_partContext _localctx = new Else_partContext(_ctx, getState());
+        enterRule(_localctx, 38, RULE_else_part);
+        int _la;
+        try {
+            setState(374);
+            _errHandler.sync(this);
+            switch (_input.LA(1)) {
+                case T__19:
+                    enterOuterAlt(_localctx, 1);
+                {
+                    setState(358);
+                    match(T__19);
+                    LamaExpressionNode do_else = null;
+                    setState(360);
+                    ((Else_partContext) _localctx).expression = expression();
+                    setState(361);
+                    match(T__17);
+                    setState(362);
+                    ((Else_partContext) _localctx).scope_expression = scope_expression(true);
+                    setState(366);
+                    _errHandler.sync(this);
+                    _la = _input.LA(1);
+                    if (_la == T__19 || _la == T__20) {
+                        {
+                            setState(363);
+                            ((Else_partContext) _localctx).else_part = else_part();
+                            do_else = ((Else_partContext) _localctx).else_part.result;
+                        }
+                    }
+
+                    ((Else_partContext) _localctx).result = factory.createIfNode(((Else_partContext) _localctx).expression.result, ((Else_partContext) _localctx).scope_expression.result, do_else);
+                }
+                break;
+                case T__20:
+                    enterOuterAlt(_localctx, 2);
+                {
+                    setState(370);
+                    match(T__20);
+                    setState(371);
+                    ((Else_partContext) _localctx).scope_expression = scope_expression(true);
+                    ((Else_partContext) _localctx).result = ((Else_partContext) _localctx).scope_expression.result;
+                }
+                break;
+                default:
+                    throw new NoViableAltException(this);
+            }
+        } catch (RecognitionException re) {
+            _localctx.exception = re;
+            _errHandler.reportError(this, re);
+            _errHandler.recover(this, re);
+        } finally {
+            exitRule();
+        }
+        return _localctx;
+    }
+
+    @SuppressWarnings("CheckReturnValue")
+    public static class While_do_expressionContext extends ParserRuleContext {
+        public LamaExpressionNode result;
+        public ExpressionContext expression;
+        public Scope_expressionContext scope_expression;
+
+        public ExpressionContext expression() {
+            return getRuleContext(ExpressionContext.class, 0);
+        }
+
+        public Scope_expressionContext scope_expression() {
+            return getRuleContext(Scope_expressionContext.class, 0);
+        }
+
+        public While_do_expressionContext(ParserRuleContext parent, int invokingState) {
+            super(parent, invokingState);
+        }
+
+        @Override
+        public int getRuleIndex() {
+            return RULE_while_do_expression;
+        }
+
+        @Override
+        public void enterRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).enterWhile_do_expression(this);
+        }
+
+        @Override
+        public void exitRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).exitWhile_do_expression(this);
+        }
+
+        @Override
+        public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
+            if (visitor instanceof LamaVisitor)
+                return ((LamaVisitor<? extends T>) visitor).visitWhile_do_expression(this);
+            else return visitor.visitChildren(this);
+        }
+    }
+
+    public final While_do_expressionContext while_do_expression() throws RecognitionException {
+        While_do_expressionContext _localctx = new While_do_expressionContext(_ctx, getState());
+        enterRule(_localctx, 40, RULE_while_do_expression);
+        try {
+            enterOuterAlt(_localctx, 1);
+            {
+                setState(376);
+                match(T__21);
+                setState(377);
+                ((While_do_expressionContext) _localctx).expression = expression();
+                setState(378);
+                match(T__22);
+                setState(379);
+                ((While_do_expressionContext) _localctx).scope_expression = scope_expression(true);
+                setState(380);
+                match(T__23);
+                ((While_do_expressionContext) _localctx).result = factory.createWhileNode(((While_do_expressionContext) _localctx).expression.result, ((While_do_expressionContext) _localctx).scope_expression.result);
+            }
+        } catch (RecognitionException re) {
+            _localctx.exception = re;
+            _errHandler.reportError(this, re);
+            _errHandler.recover(this, re);
+        } finally {
+            exitRule();
+        }
+        return _localctx;
+    }
+
+    @SuppressWarnings("CheckReturnValue")
+    public static class Do_while_expressionContext extends ParserRuleContext {
+        public LamaExpressionNode result;
+        public Scope_expressionContext scope_expression;
+        public ExpressionContext expression;
+
+        public Scope_expressionContext scope_expression() {
+            return getRuleContext(Scope_expressionContext.class, 0);
+        }
+
+        public ExpressionContext expression() {
+            return getRuleContext(ExpressionContext.class, 0);
+        }
+
+        public Do_while_expressionContext(ParserRuleContext parent, int invokingState) {
+            super(parent, invokingState);
+        }
+
+        @Override
+        public int getRuleIndex() {
+            return RULE_do_while_expression;
+        }
+
+        @Override
+        public void enterRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).enterDo_while_expression(this);
+        }
+
+        @Override
+        public void exitRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).exitDo_while_expression(this);
+        }
+
+        @Override
+        public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
+            if (visitor instanceof LamaVisitor)
+                return ((LamaVisitor<? extends T>) visitor).visitDo_while_expression(this);
+            else return visitor.visitChildren(this);
+        }
+    }
+
+    public final Do_while_expressionContext do_while_expression() throws RecognitionException {
+        Do_while_expressionContext _localctx = new Do_while_expressionContext(_ctx, getState());
+        enterRule(_localctx, 42, RULE_do_while_expression);
+        try {
+            enterOuterAlt(_localctx, 1);
+            {
+                setState(383);
+                match(T__22);
+                setState(384);
+                ((Do_while_expressionContext) _localctx).scope_expression = scope_expression(true);
+                setState(385);
+                match(T__21);
+                setState(386);
+                ((Do_while_expressionContext) _localctx).expression = expression();
+                setState(387);
+                match(T__23);
+                ((Do_while_expressionContext) _localctx).result = factory.createDoWhileNode(((Do_while_expressionContext) _localctx).expression.result, ((Do_while_expressionContext) _localctx).scope_expression.result);
+            }
+        } catch (RecognitionException re) {
+            _localctx.exception = re;
+            _errHandler.reportError(this, re);
+            _errHandler.recover(this, re);
+        } finally {
+            exitRule();
+        }
+        return _localctx;
+    }
+
+    @SuppressWarnings("CheckReturnValue")
+    public static class For_expressionContext extends ParserRuleContext {
+        public LamaExpressionNode result;
+        public Scope_expressionContext init;
+        public ExpressionContext cond;
+        public ExpressionContext inc;
+        public Scope_expressionContext expr;
+
+        public List<Scope_expressionContext> scope_expression() {
+            return getRuleContexts(Scope_expressionContext.class);
+        }
+
+        public Scope_expressionContext scope_expression(int i) {
+            return getRuleContext(Scope_expressionContext.class, i);
+        }
+
+        public List<ExpressionContext> expression() {
+            return getRuleContexts(ExpressionContext.class);
+        }
+
+        public ExpressionContext expression(int i) {
+            return getRuleContext(ExpressionContext.class, i);
+        }
+
+        public For_expressionContext(ParserRuleContext parent, int invokingState) {
+            super(parent, invokingState);
+        }
+
+        @Override
+        public int getRuleIndex() {
+            return RULE_for_expression;
+        }
+
+        @Override
+        public void enterRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).enterFor_expression(this);
+        }
+
+        @Override
+        public void exitRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).exitFor_expression(this);
+        }
+
+        @Override
+        public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
+            if (visitor instanceof LamaVisitor) return ((LamaVisitor<? extends T>) visitor).visitFor_expression(this);
+            else return visitor.visitChildren(this);
+        }
+    }
+
+    public final For_expressionContext for_expression() throws RecognitionException {
+        For_expressionContext _localctx = new For_expressionContext(_ctx, getState());
+        enterRule(_localctx, 44, RULE_for_expression);
+        try {
+            enterOuterAlt(_localctx, 1);
+            {
+                setState(390);
+                match(T__24);
+                factory.enterScope();
+                setState(392);
+                ((For_expressionContext) _localctx).init = scope_expression(false);
+                setState(393);
+                match(T__2);
+                setState(394);
+                ((For_expressionContext) _localctx).cond = expression();
+                setState(395);
+                match(T__2);
+                setState(396);
+                ((For_expressionContext) _localctx).inc = expression();
+                setState(397);
+                match(T__22);
+                setState(398);
+                ((For_expressionContext) _localctx).expr = scope_expression(true);
+                setState(399);
+                match(T__23);
+
+                ((For_expressionContext) _localctx).result = factory.createSeqNode(((For_expressionContext) _localctx).init.result, factory.createWhileNode(((For_expressionContext) _localctx).cond.result, factory.createSeqNode(((For_expressionContext) _localctx).expr.result, ((For_expressionContext) _localctx).inc.result)));
+                factory.exitScope();
+
+            }
+        } catch (RecognitionException re) {
+            _localctx.exception = re;
+            _errHandler.reportError(this, re);
+            _errHandler.recover(this, re);
+        } finally {
+            exitRule();
+        }
+        return _localctx;
+    }
+
+    @SuppressWarnings("CheckReturnValue")
+    public static class PatternContext extends ParserRuleContext {
+        public LamaPattern result;
+        public Cons_patternContext cons_pattern;
+        public Simple_patternContext simple_pattern;
+
+        public Cons_patternContext cons_pattern() {
+            return getRuleContext(Cons_patternContext.class, 0);
+        }
+
+        public Simple_patternContext simple_pattern() {
+            return getRuleContext(Simple_patternContext.class, 0);
+        }
+
+        public PatternContext(ParserRuleContext parent, int invokingState) {
+            super(parent, invokingState);
+        }
+
+        @Override
+        public int getRuleIndex() {
+            return RULE_pattern;
+        }
+
+        @Override
+        public void enterRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).enterPattern(this);
+        }
+
+        @Override
+        public void exitRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).exitPattern(this);
+        }
+
+        @Override
+        public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
+            if (visitor instanceof LamaVisitor) return ((LamaVisitor<? extends T>) visitor).visitPattern(this);
+            else return visitor.visitChildren(this);
+        }
+    }
+
+    public final PatternContext pattern() throws RecognitionException {
+        PatternContext _localctx = new PatternContext(_ctx, getState());
+        enterRule(_localctx, 46, RULE_pattern);
+        try {
+            setState(408);
+            _errHandler.sync(this);
+            switch (getInterpreter().adaptivePredict(_input, 27, _ctx)) {
+                case 1:
+                    enterOuterAlt(_localctx, 1);
+                {
+                    setState(402);
+                    ((PatternContext) _localctx).cons_pattern = cons_pattern();
+                    ((PatternContext) _localctx).result = ((PatternContext) _localctx).cons_pattern.result;
+                }
+                break;
+                case 2:
+                    enterOuterAlt(_localctx, 2);
+                {
+                    setState(405);
+                    ((PatternContext) _localctx).simple_pattern = simple_pattern();
+                    ((PatternContext) _localctx).result = ((PatternContext) _localctx).simple_pattern.result;
+                }
+                break;
+            }
+        } catch (RecognitionException re) {
+            _localctx.exception = re;
+            _errHandler.reportError(this, re);
+            _errHandler.recover(this, re);
+        } finally {
+            exitRule();
+        }
+        return _localctx;
+    }
+
+    @SuppressWarnings("CheckReturnValue")
+    public static class Cons_patternContext extends ParserRuleContext {
+        public LamaPattern result;
+        public Simple_patternContext simple_pattern;
+        public PatternContext pattern;
+
+        public Simple_patternContext simple_pattern() {
+            return getRuleContext(Simple_patternContext.class, 0);
+        }
+
+        public PatternContext pattern() {
+            return getRuleContext(PatternContext.class, 0);
+        }
+
+        public Cons_patternContext(ParserRuleContext parent, int invokingState) {
+            super(parent, invokingState);
+        }
+
+        @Override
+        public int getRuleIndex() {
+            return RULE_cons_pattern;
+        }
+
+        @Override
+        public void enterRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).enterCons_pattern(this);
+        }
+
+        @Override
+        public void exitRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).exitCons_pattern(this);
+        }
+
+        @Override
+        public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
+            if (visitor instanceof LamaVisitor) return ((LamaVisitor<? extends T>) visitor).visitCons_pattern(this);
+            else return visitor.visitChildren(this);
+        }
+    }
+
+    public final Cons_patternContext cons_pattern() throws RecognitionException {
+        Cons_patternContext _localctx = new Cons_patternContext(_ctx, getState());
+        enterRule(_localctx, 48, RULE_cons_pattern);
+        try {
+            enterOuterAlt(_localctx, 1);
+            {
+                setState(410);
+                ((Cons_patternContext) _localctx).simple_pattern = simple_pattern();
+                setState(411);
+                match(T__25);
+                setState(412);
+                ((Cons_patternContext) _localctx).pattern = pattern();
+                ((Cons_patternContext) _localctx).result = factory.createSexpConsPattern(((Cons_patternContext) _localctx).simple_pattern.result, ((Cons_patternContext) _localctx).pattern.result);
+            }
+        } catch (RecognitionException re) {
+            _localctx.exception = re;
+            _errHandler.reportError(this, re);
+            _errHandler.recover(this, re);
+        } finally {
+            exitRule();
+        }
+        return _localctx;
+    }
+
+    @SuppressWarnings("CheckReturnValue")
+    public static class Simple_patternContext extends ParserRuleContext {
+        public LamaPattern result;
+        public Wildcard_patternContext wildcard_pattern;
+        public S_expr_patternContext s_expr_pattern;
+        public Array_patternContext array_pattern;
+        public List_patternContext list_pattern;
+        public Token LIDENT;
+        public PatternContext pattern;
+        public Token DECIMAL_LITERAL;
+        public Token STRING_LITERAL;
+        public Token CHAR_LITERAL;
+        public Token tok;
+
+        public Wildcard_patternContext wildcard_pattern() {
+            return getRuleContext(Wildcard_patternContext.class, 0);
+        }
+
+        public S_expr_patternContext s_expr_pattern() {
+            return getRuleContext(S_expr_patternContext.class, 0);
+        }
+
+        public Array_patternContext array_pattern() {
+            return getRuleContext(Array_patternContext.class, 0);
+        }
+
+        public List_patternContext list_pattern() {
+            return getRuleContext(List_patternContext.class, 0);
+        }
+
+        public TerminalNode LIDENT() {
+            return getToken(LamaParser.LIDENT, 0);
+        }
+
+        public PatternContext pattern() {
+            return getRuleContext(PatternContext.class, 0);
+        }
+
+        public TerminalNode DECIMAL_LITERAL() {
+            return getToken(LamaParser.DECIMAL_LITERAL, 0);
+        }
+
+        public TerminalNode MINUS() {
+            return getToken(LamaParser.MINUS, 0);
+        }
+
+        public TerminalNode STRING_LITERAL() {
+            return getToken(LamaParser.STRING_LITERAL, 0);
+        }
+
+        public TerminalNode CHAR_LITERAL() {
+            return getToken(LamaParser.CHAR_LITERAL, 0);
+        }
+
+        public Simple_patternContext(ParserRuleContext parent, int invokingState) {
+            super(parent, invokingState);
+        }
+
+        @Override
+        public int getRuleIndex() {
+            return RULE_simple_pattern;
+        }
+
+        @Override
+        public void enterRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).enterSimple_pattern(this);
+        }
+
+        @Override
+        public void exitRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).exitSimple_pattern(this);
+        }
+
+        @Override
+        public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
+            if (visitor instanceof LamaVisitor) return ((LamaVisitor<? extends T>) visitor).visitSimple_pattern(this);
+            else return visitor.visitChildren(this);
+        }
+    }
+
+    public final Simple_patternContext simple_pattern() throws RecognitionException {
+        Simple_patternContext _localctx = new Simple_patternContext(_ctx, getState());
+        enterRule(_localctx, 50, RULE_simple_pattern);
+        int _la;
+        try {
+            setState(474);
+            _errHandler.sync(this);
+            switch (getInterpreter().adaptivePredict(_input, 30, _ctx)) {
+                case 1:
+                    enterOuterAlt(_localctx, 1);
+                {
+                    setState(415);
+                    ((Simple_patternContext) _localctx).wildcard_pattern = wildcard_pattern();
+                    ((Simple_patternContext) _localctx).result = ((Simple_patternContext) _localctx).wildcard_pattern.result;
+                }
+                break;
+                case 2:
+                    enterOuterAlt(_localctx, 2);
+                {
+                    setState(418);
+                    ((Simple_patternContext) _localctx).s_expr_pattern = s_expr_pattern();
+                    ((Simple_patternContext) _localctx).result = ((Simple_patternContext) _localctx).s_expr_pattern.result;
+                }
+                break;
+                case 3:
+                    enterOuterAlt(_localctx, 3);
+                {
+                    setState(421);
+                    ((Simple_patternContext) _localctx).array_pattern = array_pattern();
+                    ((Simple_patternContext) _localctx).result = ((Simple_patternContext) _localctx).array_pattern.result;
+                }
+                break;
+                case 4:
+                    enterOuterAlt(_localctx, 4);
+                {
+                    setState(424);
+                    ((Simple_patternContext) _localctx).list_pattern = list_pattern();
+                    ((Simple_patternContext) _localctx).result = ((Simple_patternContext) _localctx).list_pattern.result;
+                }
+                break;
+                case 5:
+                    enterOuterAlt(_localctx, 5);
+                {
+                    setState(427);
+                    ((Simple_patternContext) _localctx).LIDENT = match(LIDENT);
+                    LamaPattern pat = null;
+                    setState(433);
+                    _errHandler.sync(this);
+                    _la = _input.LA(1);
+                    if (_la == T__26) {
+                        {
+                            setState(429);
+                            match(T__26);
+                            setState(430);
+                            ((Simple_patternContext) _localctx).pattern = pattern();
+                            pat = ((Simple_patternContext) _localctx).pattern.result;
+                        }
+                    }
+
+                    ((Simple_patternContext) _localctx).result = factory.createNamedPattern(((Simple_patternContext) _localctx).LIDENT, Objects.requireNonNullElse(pat, factory.createWildcardPattern()));
+                }
+                break;
+                case 6:
+                    enterOuterAlt(_localctx, 6);
+                {
+                    boolean is_negative = false;
+                    setState(439);
+                    _errHandler.sync(this);
+                    _la = _input.LA(1);
+                    if (_la == MINUS) {
+                        {
+                            setState(437);
+                            match(MINUS);
+                            is_negative = true;
+                        }
+                    }
+
+                    setState(441);
+                    ((Simple_patternContext) _localctx).DECIMAL_LITERAL = match(DECIMAL_LITERAL);
+                    ((Simple_patternContext) _localctx).result = is_negative ? factory.createNegativeConstPattern(((Simple_patternContext) _localctx).DECIMAL_LITERAL) : factory.createConstPattern(((Simple_patternContext) _localctx).DECIMAL_LITERAL);
+                }
+                break;
+                case 7:
+                    enterOuterAlt(_localctx, 7);
+                {
+                    setState(443);
+                    ((Simple_patternContext) _localctx).STRING_LITERAL = match(STRING_LITERAL);
+                    ((Simple_patternContext) _localctx).result = factory.createStringPattern(((Simple_patternContext) _localctx).STRING_LITERAL);
+                }
+                break;
+                case 8:
+                    enterOuterAlt(_localctx, 8);
+                {
+                    setState(445);
+                    ((Simple_patternContext) _localctx).CHAR_LITERAL = match(CHAR_LITERAL);
+                    ((Simple_patternContext) _localctx).result = factory.createConstPattern(((Simple_patternContext) _localctx).CHAR_LITERAL);
+                }
+                break;
+                case 9:
+                    enterOuterAlt(_localctx, 9);
+                {
+                    setState(447);
+                    ((Simple_patternContext) _localctx).tok = match(T__12);
+                    ((Simple_patternContext) _localctx).result = factory.createValueConstPattern(((Simple_patternContext) _localctx).tok, 1);
+                }
+                break;
+                case 10:
+                    enterOuterAlt(_localctx, 10);
+                {
+                    setState(449);
+                    ((Simple_patternContext) _localctx).tok = match(T__13);
+                    ((Simple_patternContext) _localctx).result = factory.createValueConstPattern(((Simple_patternContext) _localctx).tok, 0);
+                }
+                break;
+                case 11:
+                    enterOuterAlt(_localctx, 11);
+                {
+                    setState(451);
+                    match(T__27);
+                    setState(452);
+                    match(T__28);
+                    ((Simple_patternContext) _localctx).result = factory.createBoxedPattern();
+                }
+                break;
+                case 12:
+                    enterOuterAlt(_localctx, 12);
+                {
+                    setState(454);
+                    match(T__27);
+                    setState(455);
+                    match(T__29);
+                    ((Simple_patternContext) _localctx).result = factory.createUnBoxedPattern();
+                }
+                break;
+                case 13:
+                    enterOuterAlt(_localctx, 13);
+                {
+                    setState(457);
+                    match(T__27);
+                    setState(458);
+                    match(T__30);
+                    ((Simple_patternContext) _localctx).result = factory.createStringTagPattern();
+                }
+                break;
+                case 14:
+                    enterOuterAlt(_localctx, 14);
+                {
+                    setState(460);
+                    match(T__27);
+                    setState(461);
+                    match(T__31);
+                    ((Simple_patternContext) _localctx).result = factory.createArrayTagPattern();
+                }
+                break;
+                case 15:
+                    enterOuterAlt(_localctx, 15);
+                {
+                    setState(463);
+                    match(T__27);
+                    setState(464);
+                    match(T__32);
+                    ((Simple_patternContext) _localctx).result = factory.createSexpTagPattern();
+                }
+                break;
+                case 16:
+                    enterOuterAlt(_localctx, 16);
+                {
+                    setState(466);
+                    match(T__27);
+                    setState(467);
+                    match(T__5);
+                    ((Simple_patternContext) _localctx).result = factory.createClosureTagPattern();
+                }
+                break;
+                case 17:
+                    enterOuterAlt(_localctx, 17);
+                {
+                    setState(469);
+                    match(T__6);
+                    setState(470);
+                    ((Simple_patternContext) _localctx).pattern = pattern();
+                    setState(471);
+                    match(T__7);
+                    ((Simple_patternContext) _localctx).result = ((Simple_patternContext) _localctx).pattern.result;
+                }
+                break;
+            }
+        } catch (RecognitionException re) {
+            _localctx.exception = re;
+            _errHandler.reportError(this, re);
+            _errHandler.recover(this, re);
+        } finally {
+            exitRule();
+        }
+        return _localctx;
+    }
+
+    @SuppressWarnings("CheckReturnValue")
+    public static class Wildcard_patternContext extends ParserRuleContext {
+        public LamaPattern result;
+
+        public Wildcard_patternContext(ParserRuleContext parent, int invokingState) {
+            super(parent, invokingState);
+        }
+
+        @Override
+        public int getRuleIndex() {
+            return RULE_wildcard_pattern;
+        }
+
+        @Override
+        public void enterRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).enterWildcard_pattern(this);
+        }
+
+        @Override
+        public void exitRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).exitWildcard_pattern(this);
+        }
+
+        @Override
+        public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
+            if (visitor instanceof LamaVisitor) return ((LamaVisitor<? extends T>) visitor).visitWildcard_pattern(this);
+            else return visitor.visitChildren(this);
+        }
+    }
+
+    public final Wildcard_patternContext wildcard_pattern() throws RecognitionException {
+        Wildcard_patternContext _localctx = new Wildcard_patternContext(_ctx, getState());
+        enterRule(_localctx, 52, RULE_wildcard_pattern);
+        try {
+            enterOuterAlt(_localctx, 1);
+            {
+                setState(476);
+                match(T__33);
+                ((Wildcard_patternContext) _localctx).result = factory.createWildcardPattern();
+            }
+        } catch (RecognitionException re) {
+            _localctx.exception = re;
+            _errHandler.reportError(this, re);
+            _errHandler.recover(this, re);
+        } finally {
+            exitRule();
+        }
+        return _localctx;
+    }
+
+    @SuppressWarnings("CheckReturnValue")
+    public static class S_expr_patternContext extends ParserRuleContext {
+        public LamaPattern result;
+        public Token UIDENT;
+        public PatternContext pattern;
+
+        public TerminalNode UIDENT() {
+            return getToken(LamaParser.UIDENT, 0);
+        }
+
+        public List<PatternContext> pattern() {
+            return getRuleContexts(PatternContext.class);
+        }
+
+        public PatternContext pattern(int i) {
+            return getRuleContext(PatternContext.class, i);
+        }
+
+        public S_expr_patternContext(ParserRuleContext parent, int invokingState) {
+            super(parent, invokingState);
+        }
+
+        @Override
+        public int getRuleIndex() {
+            return RULE_s_expr_pattern;
+        }
+
+        @Override
+        public void enterRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).enterS_expr_pattern(this);
+        }
+
+        @Override
+        public void exitRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).exitS_expr_pattern(this);
+        }
+
+        @Override
+        public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
+            if (visitor instanceof LamaVisitor) return ((LamaVisitor<? extends T>) visitor).visitS_expr_pattern(this);
+            else return visitor.visitChildren(this);
+        }
+    }
+
+    public final S_expr_patternContext s_expr_pattern() throws RecognitionException {
+        S_expr_patternContext _localctx = new S_expr_patternContext(_ctx, getState());
+        enterRule(_localctx, 54, RULE_s_expr_pattern);
+        int _la;
+        try {
+            enterOuterAlt(_localctx, 1);
+            {
+                List<LamaPattern> elems = new ArrayList<LamaPattern>();
+                setState(480);
+                ((S_expr_patternContext) _localctx).UIDENT = match(UIDENT);
+                setState(496);
+                _errHandler.sync(this);
+                _la = _input.LA(1);
+                if (_la == T__6) {
+                    {
+                        setState(481);
+                        match(T__6);
+                        setState(493);
+                        _errHandler.sync(this);
+                        _la = _input.LA(1);
+                        if ((((_la) & ~0x3f) == 0 && ((1L << _la) & 1099529076107904L) != 0)) {
+                            {
+                                setState(482);
+                                ((S_expr_patternContext) _localctx).pattern = pattern();
+                                elems.addLast(((S_expr_patternContext) _localctx).pattern.result);
+                                setState(490);
+                                _errHandler.sync(this);
+                                _la = _input.LA(1);
+                                while (_la == T__2) {
+                                    {
+                                        {
+                                            setState(484);
+                                            match(T__2);
+                                            setState(485);
+                                            ((S_expr_patternContext) _localctx).pattern = pattern();
+                                            elems.addLast(((S_expr_patternContext) _localctx).pattern.result);
+                                        }
+                                    }
+                                    setState(492);
+                                    _errHandler.sync(this);
+                                    _la = _input.LA(1);
+                                }
+                            }
+                        }
+
+                        setState(495);
+                        match(T__7);
+                    }
+                }
+
+                ((S_expr_patternContext) _localctx).result = factory.createSexpPattern(((S_expr_patternContext) _localctx).UIDENT, elems);
+            }
+        } catch (RecognitionException re) {
+            _localctx.exception = re;
+            _errHandler.reportError(this, re);
+            _errHandler.recover(this, re);
+        } finally {
+            exitRule();
+        }
+        return _localctx;
+    }
+
+    @SuppressWarnings("CheckReturnValue")
+    public static class Array_patternContext extends ParserRuleContext {
+        public LamaPattern result;
+        public PatternContext pattern;
+
+        public List<PatternContext> pattern() {
+            return getRuleContexts(PatternContext.class);
+        }
+
+        public PatternContext pattern(int i) {
+            return getRuleContext(PatternContext.class, i);
+        }
+
+        public Array_patternContext(ParserRuleContext parent, int invokingState) {
+            super(parent, invokingState);
+        }
+
+        @Override
+        public int getRuleIndex() {
+            return RULE_array_pattern;
+        }
+
+        @Override
+        public void enterRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).enterArray_pattern(this);
+        }
+
+        @Override
+        public void exitRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).exitArray_pattern(this);
+        }
+
+        @Override
+        public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
+            if (visitor instanceof LamaVisitor) return ((LamaVisitor<? extends T>) visitor).visitArray_pattern(this);
+            else return visitor.visitChildren(this);
+        }
+    }
+
+    public final Array_patternContext array_pattern() throws RecognitionException {
+        Array_patternContext _localctx = new Array_patternContext(_ctx, getState());
+        enterRule(_localctx, 56, RULE_array_pattern);
+        int _la;
+        try {
+            enterOuterAlt(_localctx, 1);
+            {
+                List<LamaPattern> elems = new ArrayList<LamaPattern>();
+                setState(501);
+                match(T__10);
+                setState(513);
+                _errHandler.sync(this);
+                _la = _input.LA(1);
+                if ((((_la) & ~0x3f) == 0 && ((1L << _la) & 1099529076107904L) != 0)) {
+                    {
+                        setState(502);
+                        ((Array_patternContext) _localctx).pattern = pattern();
+                        elems.addLast(((Array_patternContext) _localctx).pattern.result);
+                        setState(510);
+                        _errHandler.sync(this);
+                        _la = _input.LA(1);
+                        while (_la == T__2) {
+                            {
+                                {
+                                    setState(504);
+                                    match(T__2);
+                                    setState(505);
+                                    ((Array_patternContext) _localctx).pattern = pattern();
+                                    elems.addLast(((Array_patternContext) _localctx).pattern.result);
+                                }
+                            }
+                            setState(512);
+                            _errHandler.sync(this);
+                            _la = _input.LA(1);
+                        }
+                    }
+                }
+
+                setState(515);
+                match(T__11);
+                ((Array_patternContext) _localctx).result = factory.createArrayPattern(elems);
+            }
+        } catch (RecognitionException re) {
+            _localctx.exception = re;
+            _errHandler.reportError(this, re);
+            _errHandler.recover(this, re);
+        } finally {
+            exitRule();
+        }
+        return _localctx;
+    }
+
+    @SuppressWarnings("CheckReturnValue")
+    public static class List_patternContext extends ParserRuleContext {
+        public LamaPattern result;
+        public PatternContext pattern;
+
+        public List<PatternContext> pattern() {
+            return getRuleContexts(PatternContext.class);
+        }
+
+        public PatternContext pattern(int i) {
+            return getRuleContext(PatternContext.class, i);
+        }
+
+        public List_patternContext(ParserRuleContext parent, int invokingState) {
+            super(parent, invokingState);
+        }
+
+        @Override
+        public int getRuleIndex() {
+            return RULE_list_pattern;
+        }
+
+        @Override
+        public void enterRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).enterList_pattern(this);
+        }
+
+        @Override
+        public void exitRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).exitList_pattern(this);
+        }
+
+        @Override
+        public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
+            if (visitor instanceof LamaVisitor) return ((LamaVisitor<? extends T>) visitor).visitList_pattern(this);
+            else return visitor.visitChildren(this);
+        }
+    }
+
+    public final List_patternContext list_pattern() throws RecognitionException {
+        List_patternContext _localctx = new List_patternContext(_ctx, getState());
+        enterRule(_localctx, 58, RULE_list_pattern);
+        int _la;
+        try {
+            enterOuterAlt(_localctx, 1);
+            {
+                List<LamaPattern> elems = new ArrayList<LamaPattern>();
+                setState(519);
+                match(T__8);
+                setState(531);
+                _errHandler.sync(this);
+                _la = _input.LA(1);
+                if ((((_la) & ~0x3f) == 0 && ((1L << _la) & 1099529076107904L) != 0)) {
+                    {
+                        setState(520);
+                        ((List_patternContext) _localctx).pattern = pattern();
+                        elems.addLast(((List_patternContext) _localctx).pattern.result);
+                        setState(528);
+                        _errHandler.sync(this);
+                        _la = _input.LA(1);
+                        while (_la == T__2) {
+                            {
+                                {
+                                    setState(522);
+                                    match(T__2);
+                                    setState(523);
+                                    ((List_patternContext) _localctx).pattern = pattern();
+                                    elems.addLast(((List_patternContext) _localctx).pattern.result);
+                                }
+                            }
+                            setState(530);
+                            _errHandler.sync(this);
+                            _la = _input.LA(1);
+                        }
+                    }
+                }
+
+                setState(533);
+                match(T__9);
+                ((List_patternContext) _localctx).result = factory.createListSexpPattern(elems);
+            }
+        } catch (RecognitionException re) {
+            _localctx.exception = re;
+            _errHandler.reportError(this, re);
+            _errHandler.recover(this, re);
+        } finally {
+            exitRule();
+        }
+        return _localctx;
+    }
+
+    @SuppressWarnings("CheckReturnValue")
+    public static class Case_expressionContext extends ParserRuleContext {
+        public LamaExpressionNode result;
+        public ExpressionContext expression;
+        public Case_branchesContext case_branches;
+
+        public ExpressionContext expression() {
+            return getRuleContext(ExpressionContext.class, 0);
+        }
+
+        public Case_branchesContext case_branches() {
+            return getRuleContext(Case_branchesContext.class, 0);
+        }
+
+        public Case_expressionContext(ParserRuleContext parent, int invokingState) {
+            super(parent, invokingState);
+        }
+
+        @Override
+        public int getRuleIndex() {
+            return RULE_case_expression;
+        }
+
+        @Override
+        public void enterRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).enterCase_expression(this);
+        }
+
+        @Override
+        public void exitRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).exitCase_expression(this);
+        }
+
+        @Override
+        public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
+            if (visitor instanceof LamaVisitor) return ((LamaVisitor<? extends T>) visitor).visitCase_expression(this);
+            else return visitor.visitChildren(this);
+        }
+    }
+
+    public final Case_expressionContext case_expression() throws RecognitionException {
+        Case_expressionContext _localctx = new Case_expressionContext(_ctx, getState());
+        enterRule(_localctx, 60, RULE_case_expression);
+        try {
+            enterOuterAlt(_localctx, 1);
+            {
+                setState(536);
+                match(T__34);
+                setState(537);
+                ((Case_expressionContext) _localctx).expression = expression();
+                setState(538);
+                match(T__35);
+                setState(539);
+                ((Case_expressionContext) _localctx).case_branches = case_branches();
+                setState(540);
+                match(T__36);
+                ((Case_expressionContext) _localctx).result = factory.createCaseNode(((Case_expressionContext) _localctx).expression.result, ((Case_expressionContext) _localctx).case_branches.pats, ((Case_expressionContext) _localctx).case_branches.exprs);
+            }
+        } catch (RecognitionException re) {
+            _localctx.exception = re;
+            _errHandler.reportError(this, re);
+            _errHandler.recover(this, re);
+        } finally {
+            exitRule();
+        }
+        return _localctx;
+    }
+
+    @SuppressWarnings("CheckReturnValue")
+    public static class Case_branchesContext extends ParserRuleContext {
+        public List<LamaPattern> pats;
+        public List<LamaExpressionNode> exprs;
+        public Case_branchContext case_branch;
+
+        public List<Case_branchContext> case_branch() {
+            return getRuleContexts(Case_branchContext.class);
+        }
+
+        public Case_branchContext case_branch(int i) {
+            return getRuleContext(Case_branchContext.class, i);
+        }
+
+        public Case_branchesContext(ParserRuleContext parent, int invokingState) {
+            super(parent, invokingState);
+        }
+
+        @Override
+        public int getRuleIndex() {
+            return RULE_case_branches;
+        }
+
+        @Override
+        public void enterRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).enterCase_branches(this);
+        }
+
+        @Override
+        public void exitRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).exitCase_branches(this);
+        }
+
+        @Override
+        public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
+            if (visitor instanceof LamaVisitor) return ((LamaVisitor<? extends T>) visitor).visitCase_branches(this);
+            else return visitor.visitChildren(this);
+        }
+    }
+
+    public final Case_branchesContext case_branches() throws RecognitionException {
+        Case_branchesContext _localctx = new Case_branchesContext(_ctx, getState());
+        enterRule(_localctx, 62, RULE_case_branches);
+        int _la;
+        try {
+            enterOuterAlt(_localctx, 1);
+            {
+                ((Case_branchesContext) _localctx).pats = new ArrayList<LamaPattern>();
+                ((Case_branchesContext) _localctx).exprs = new ArrayList<LamaExpressionNode>();
+                setState(544);
+                ((Case_branchesContext) _localctx).case_branch = case_branch();
+                _localctx.pats.addLast(((Case_branchesContext) _localctx).case_branch.pat);
+                _localctx.exprs.addLast(((Case_branchesContext) _localctx).case_branch.expr);
+                setState(552);
+                _errHandler.sync(this);
+                _la = _input.LA(1);
+                while (_la == T__37) {
+                    {
+                        {
+                            setState(546);
+                            match(T__37);
+                            setState(547);
+                            ((Case_branchesContext) _localctx).case_branch = case_branch();
+                            _localctx.pats.addLast(((Case_branchesContext) _localctx).case_branch.pat);
+                            _localctx.exprs.addLast(((Case_branchesContext) _localctx).case_branch.expr);
+                        }
+                    }
+                    setState(554);
+                    _errHandler.sync(this);
+                    _la = _input.LA(1);
+                }
+            }
+        } catch (RecognitionException re) {
+            _localctx.exception = re;
+            _errHandler.reportError(this, re);
+            _errHandler.recover(this, re);
+        } finally {
+            exitRule();
+        }
+        return _localctx;
+    }
+
+    @SuppressWarnings("CheckReturnValue")
+    public static class Case_branchContext extends ParserRuleContext {
+        public LamaPattern pat;
+        public LamaExpressionNode expr;
+        public PatternContext pattern;
+        public Scope_expressionContext scope_expression;
+
+        public PatternContext pattern() {
+            return getRuleContext(PatternContext.class, 0);
+        }
+
+        public Scope_expressionContext scope_expression() {
+            return getRuleContext(Scope_expressionContext.class, 0);
+        }
+
+        public Case_branchContext(ParserRuleContext parent, int invokingState) {
+            super(parent, invokingState);
+        }
+
+        @Override
+        public int getRuleIndex() {
+            return RULE_case_branch;
+        }
+
+        @Override
+        public void enterRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).enterCase_branch(this);
+        }
+
+        @Override
+        public void exitRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).exitCase_branch(this);
+        }
+
+        @Override
+        public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
+            if (visitor instanceof LamaVisitor) return ((LamaVisitor<? extends T>) visitor).visitCase_branch(this);
+            else return visitor.visitChildren(this);
+        }
+    }
+
+    public final Case_branchContext case_branch() throws RecognitionException {
+        Case_branchContext _localctx = new Case_branchContext(_ctx, getState());
+        enterRule(_localctx, 64, RULE_case_branch);
+        try {
+            enterOuterAlt(_localctx, 1);
+            {
+                factory.enterScope();
+                setState(556);
+                ((Case_branchContext) _localctx).pattern = pattern();
+                ((Case_branchContext) _localctx).pat = ((Case_branchContext) _localctx).pattern.result;
+                setState(558);
+                match(T__38);
+                setState(559);
+                ((Case_branchContext) _localctx).scope_expression = scope_expression(false);
+                ((Case_branchContext) _localctx).expr = ((Case_branchContext) _localctx).scope_expression.result;
+                factory.exitScope();
+            }
+        } catch (RecognitionException re) {
+            _localctx.exception = re;
+            _errHandler.reportError(this, re);
+            _errHandler.recover(this, re);
+        } finally {
+            exitRule();
+        }
+        return _localctx;
+    }
+
+    @SuppressWarnings("CheckReturnValue")
+    public static class Any_infixContext extends ParserRuleContext {
+        public Token result;
+        public Token INFIX;
+        public Token MINUS;
+
+        public TerminalNode INFIX() {
+            return getToken(LamaParser.INFIX, 0);
+        }
+
+        public TerminalNode MINUS() {
+            return getToken(LamaParser.MINUS, 0);
+        }
+
+        public Any_infixContext(ParserRuleContext parent, int invokingState) {
+            super(parent, invokingState);
+        }
+
+        @Override
+        public int getRuleIndex() {
+            return RULE_any_infix;
+        }
+
+        @Override
+        public void enterRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).enterAny_infix(this);
+        }
+
+        @Override
+        public void exitRule(ParseTreeListener listener) {
+            if (listener instanceof LamaListener) ((LamaListener) listener).exitAny_infix(this);
+        }
+
+        @Override
+        public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
+            if (visitor instanceof LamaVisitor) return ((LamaVisitor<? extends T>) visitor).visitAny_infix(this);
+            else return visitor.visitChildren(this);
+        }
+    }
+
+    public final Any_infixContext any_infix() throws RecognitionException {
+        Any_infixContext _localctx = new Any_infixContext(_ctx, getState());
+        enterRule(_localctx, 66, RULE_any_infix);
+        try {
+            setState(567);
+            _errHandler.sync(this);
+            switch (_input.LA(1)) {
+                case INFIX:
+                    enterOuterAlt(_localctx, 1);
+                {
+                    setState(563);
+                    ((Any_infixContext) _localctx).INFIX = match(INFIX);
+                    ((Any_infixContext) _localctx).result = ((Any_infixContext) _localctx).INFIX;
+                }
+                break;
+                case MINUS:
+                    enterOuterAlt(_localctx, 2);
+                {
+                    setState(565);
+                    ((Any_infixContext) _localctx).MINUS = match(MINUS);
+                    ((Any_infixContext) _localctx).result = ((Any_infixContext) _localctx).MINUS;
+                }
+                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 final String _serializedATN =
+            "\u0004\u00012\u023a\u0002\u0000\u0007\u0000\u0002\u0001\u0007\u0001\u0002" +
+                    "\u0002\u0007\u0002\u0002\u0003\u0007\u0003\u0002\u0004\u0007\u0004\u0002" +
+                    "\u0005\u0007\u0005\u0002\u0006\u0007\u0006\u0002\u0007\u0007\u0007\u0002" +
+                    "\b\u0007\b\u0002\t\u0007\t\u0002\n\u0007\n\u0002\u000b\u0007\u000b\u0002" +
+                    "\f\u0007\f\u0002\r\u0007\r\u0002\u000e\u0007\u000e\u0002\u000f\u0007\u000f" +
+                    "\u0002\u0010\u0007\u0010\u0002\u0011\u0007\u0011\u0002\u0012\u0007\u0012" +
+                    "\u0002\u0013\u0007\u0013\u0002\u0014\u0007\u0014\u0002\u0015\u0007\u0015" +
+                    "\u0002\u0016\u0007\u0016\u0002\u0017\u0007\u0017\u0002\u0018\u0007\u0018" +
+                    "\u0002\u0019\u0007\u0019\u0002\u001a\u0007\u001a\u0002\u001b\u0007\u001b" +
+                    "\u0002\u001c\u0007\u001c\u0002\u001d\u0007\u001d\u0002\u001e\u0007\u001e" +
+                    "\u0002\u001f\u0007\u001f\u0002 \u0007 \u0002!\u0007!\u0001\u0000\u0001" +
+                    "\u0000\u0001\u0000\u0001\u0000\u0001\u0001\u0001\u0001\u0001\u0001\u0001" +
+                    "\u0001\u0001\u0001\u0001\u0001\u0005\u0001O\b\u0001\n\u0001\f\u0001R\t" +
+                    "\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0003\u0001W\b\u0001\u0001" +
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+                    "\u001b\u0001\u0000\u0000\u0000\u00e6\u00e7\u00051\u0000\u0000\u00e7\u011f" +
+                    "\u0006\u000e\uffff\uffff\u0000\u00e8\u00e9\u00050\u0000\u0000\u00e9\u011f" +
+                    "\u0006\u000e\uffff\uffff\u0000\u00ea\u00eb\u0005/\u0000\u0000\u00eb\u011f" +
+                    "\u0006\u000e\uffff\uffff\u0000\u00ec\u00ed\u0005.\u0000\u0000\u00ed\u011f" +
+                    "\u0006\u000e\uffff\uffff\u0000\u00ee\u00ef\u0005\r\u0000\u0000\u00ef\u011f" +
+                    "\u0006\u000e\uffff\uffff\u0000\u00f0\u00f1\u0005\u000e\u0000\u0000\u00f1" +
+                    "\u011f\u0006\u000e\uffff\uffff\u0000\u00f2\u00f3\u0005\u000f\u0000\u0000" +
+                    "\u00f3\u00f4\u0003B!\u0000\u00f4\u00f5\u0006\u000e\uffff\uffff\u0000\u00f5" +
+                    "\u011f\u0001\u0000\u0000\u0000\u00f6\u00f7\u0005\u0006\u0000\u0000\u00f7" +
+                    "\u00f8\u0005\u0007\u0000\u0000\u00f8\u00f9\u0006\u000e\uffff\uffff\u0000" +
+                    "\u00f9\u00fa\u0003\u000e\u0007\u0000\u00fa\u00fb\u0006\u000e\uffff\uffff" +
+                    "\u0000\u00fb\u00fc\u0005\b\u0000\u0000\u00fc\u00fd\u0003\u0010\b\u0000" +
+                    "\u00fd\u00fe\u0006\u000e\uffff\uffff\u0000\u00fe\u011f\u0001\u0000\u0000" +
+                    "\u0000\u00ff\u0100\u0005\u0010\u0000\u0000\u0100\u011f\u0006\u000e\uffff" +
+                    "\uffff\u0000\u0101\u0102\u0005\u0007\u0000\u0000\u0102\u0103\u0003\u0002" +
+                    "\u0001\u0000\u0103\u0104\u0005\b\u0000\u0000\u0104\u0105\u0006\u000e\uffff" +
+                    "\uffff\u0000\u0105\u011f\u0001\u0000\u0000\u0000\u0106\u0107\u0003 \u0010" +
+                    "\u0000\u0107\u0108\u0006\u000e\uffff\uffff\u0000\u0108\u011f\u0001\u0000" +
+                    "\u0000\u0000\u0109\u010a\u0003\u001e\u000f\u0000\u010a\u010b\u0006\u000e" +
+                    "\uffff\uffff\u0000\u010b\u011f\u0001\u0000\u0000\u0000\u010c\u010d\u0003" +
+                    "\"\u0011\u0000\u010d\u010e\u0006\u000e\uffff\uffff\u0000\u010e\u011f\u0001" +
+                    "\u0000\u0000\u0000\u010f\u0110\u0003$\u0012\u0000\u0110\u0111\u0006\u000e" +
+                    "\uffff\uffff\u0000\u0111\u011f\u0001\u0000\u0000\u0000\u0112\u0113\u0003" +
+                    "(\u0014\u0000\u0113\u0114\u0006\u000e\uffff\uffff\u0000\u0114\u011f\u0001" +
+                    "\u0000\u0000\u0000\u0115\u0116\u0003*\u0015\u0000\u0116\u0117\u0006\u000e" +
+                    "\uffff\uffff\u0000\u0117\u011f\u0001\u0000\u0000\u0000\u0118\u0119\u0003" +
+                    ",\u0016\u0000\u0119\u011a\u0006\u000e\uffff\uffff\u0000\u011a\u011f\u0001" +
+                    "\u0000\u0000\u0000\u011b\u011c\u0003<\u001e\u0000\u011c\u011d\u0006\u000e" +
+                    "\uffff\uffff\u0000\u011d\u011f\u0001\u0000\u0000\u0000\u011e\u00e6\u0001" +
+                    "\u0000\u0000\u0000\u011e\u00e8\u0001\u0000\u0000\u0000\u011e\u00ea\u0001" +
+                    "\u0000\u0000\u0000\u011e\u00ec\u0001\u0000\u0000\u0000\u011e\u00ee\u0001" +
+                    "\u0000\u0000\u0000\u011e\u00f0\u0001\u0000\u0000\u0000\u011e\u00f2\u0001" +
+                    "\u0000\u0000\u0000\u011e\u00f6\u0001\u0000\u0000\u0000\u011e\u00ff\u0001" +
+                    "\u0000\u0000\u0000\u011e\u0101\u0001\u0000\u0000\u0000\u011e\u0106\u0001" +
+                    "\u0000\u0000\u0000\u011e\u0109\u0001\u0000\u0000\u0000\u011e\u010c\u0001" +
+                    "\u0000\u0000\u0000\u011e\u010f\u0001\u0000\u0000\u0000\u011e\u0112\u0001" +
+                    "\u0000\u0000\u0000\u011e\u0115\u0001\u0000\u0000\u0000\u011e\u0118\u0001" +
+                    "\u0000\u0000\u0000\u011e\u011b\u0001\u0000\u0000\u0000\u011f\u001d\u0001" +
+                    "\u0000\u0000\u0000\u0120\u0121\u0006\u000f\uffff\uffff\u0000\u0121\u012d" +
+                    "\u0005\u000b\u0000\u0000\u0122\u0123\u0003\u0012\t\u0000\u0123\u012a\u0006" +
+                    "\u000f\uffff\uffff\u0000\u0124\u0125\u0005\u0003\u0000\u0000\u0125\u0126" +
+                    "\u0003\u0012\t\u0000\u0126\u0127\u0006\u000f\uffff\uffff\u0000\u0127\u0129" +
+                    "\u0001\u0000\u0000\u0000\u0128\u0124\u0001\u0000\u0000\u0000\u0129\u012c" +
+                    "\u0001\u0000\u0000\u0000\u012a\u0128\u0001\u0000\u0000\u0000\u012a\u012b" +
+                    "\u0001\u0000\u0000\u0000\u012b\u012e\u0001\u0000\u0000\u0000\u012c\u012a" +
+                    "\u0001\u0000\u0000\u0000\u012d\u0122\u0001\u0000\u0000\u0000\u012d\u012e" +
+                    "\u0001\u0000\u0000\u0000\u012e\u012f\u0001\u0000\u0000\u0000\u012f\u0130" +
+                    "\u0005\f\u0000\u0000\u0130\u0131\u0006\u000f\uffff\uffff\u0000\u0131\u001f" +
+                    "\u0001\u0000\u0000\u0000\u0132\u0133\u0006\u0010\uffff\uffff\u0000\u0133" +
+                    "\u013f\u0005\t\u0000\u0000\u0134\u0135\u0003\u0012\t\u0000\u0135\u013c" +
+                    "\u0006\u0010\uffff\uffff\u0000\u0136\u0137\u0005\u0003\u0000\u0000\u0137" +
+                    "\u0138\u0003\u0012\t\u0000\u0138\u0139\u0006\u0010\uffff\uffff\u0000\u0139" +
+                    "\u013b\u0001\u0000\u0000\u0000\u013a\u0136\u0001\u0000\u0000\u0000\u013b" +
+                    "\u013e\u0001\u0000\u0000\u0000\u013c\u013a\u0001\u0000\u0000\u0000\u013c" +
+                    "\u013d\u0001\u0000\u0000\u0000\u013d\u0140\u0001\u0000\u0000\u0000\u013e" +
+                    "\u013c\u0001\u0000\u0000\u0000\u013f\u0134\u0001\u0000\u0000\u0000\u013f" +
+                    "\u0140\u0001\u0000\u0000\u0000\u0140\u0141\u0001\u0000\u0000\u0000\u0141" +
+                    "\u0142\u0005\n\u0000\u0000\u0142\u0143\u0006\u0010\uffff\uffff\u0000\u0143" +
+                    "!\u0001\u0000\u0000\u0000\u0144\u0145\u0006\u0011\uffff\uffff\u0000\u0145" +
+                    "\u0155\u0005-\u0000\u0000\u0146\u0152\u0005\u0007\u0000\u0000\u0147\u0148" +
+                    "\u0003\u0012\t\u0000\u0148\u014f\u0006\u0011\uffff\uffff\u0000\u0149\u014a" +
+                    "\u0005\u0003\u0000\u0000\u014a\u014b\u0003\u0012\t\u0000\u014b\u014c\u0006" +
+                    "\u0011\uffff\uffff\u0000\u014c\u014e\u0001\u0000\u0000\u0000\u014d\u0149" +
+                    "\u0001\u0000\u0000\u0000\u014e\u0151\u0001\u0000\u0000\u0000\u014f\u014d" +
+                    "\u0001\u0000\u0000\u0000\u014f\u0150\u0001\u0000\u0000\u0000\u0150\u0153" +
+                    "\u0001\u0000\u0000\u0000\u0151\u014f\u0001\u0000\u0000\u0000\u0152\u0147" +
+                    "\u0001\u0000\u0000\u0000\u0152\u0153\u0001\u0000\u0000\u0000\u0153\u0154" +
+                    "\u0001\u0000\u0000\u0000\u0154\u0156\u0005\b\u0000\u0000\u0155\u0146\u0001" +
+                    "\u0000\u0000\u0000\u0155\u0156\u0001\u0000\u0000\u0000\u0156\u0157\u0001" +
+                    "\u0000\u0000\u0000\u0157\u0158\u0006\u0011\uffff\uffff\u0000\u0158#\u0001" +
+                    "\u0000\u0000\u0000\u0159\u015a\u0006\u0012\uffff\uffff\u0000\u015a\u015b" +
+                    "\u0005\u0011\u0000\u0000\u015b\u015c\u0003\u0012\t\u0000\u015c\u015d\u0005" +
+                    "\u0012\u0000\u0000\u015d\u0161\u0003\u0002\u0001\u0000\u015e\u015f\u0003" +
+                    "&\u0013\u0000\u015f\u0160\u0006\u0012\uffff\uffff\u0000\u0160\u0162\u0001" +
+                    "\u0000\u0000\u0000\u0161\u015e\u0001\u0000\u0000\u0000\u0161\u0162\u0001" +
+                    "\u0000\u0000\u0000\u0162\u0163\u0001\u0000\u0000\u0000\u0163\u0164\u0005" +
+                    "\u0013\u0000\u0000\u0164\u0165\u0006\u0012\uffff\uffff\u0000\u0165%\u0001" +
+                    "\u0000\u0000\u0000\u0166\u0167\u0005\u0014\u0000\u0000\u0167\u0168\u0006" +
+                    "\u0013\uffff\uffff\u0000\u0168\u0169\u0003\u0012\t\u0000\u0169\u016a\u0005" +
+                    "\u0012\u0000\u0000\u016a\u016e\u0003\u0002\u0001\u0000\u016b\u016c\u0003" +
+                    "&\u0013\u0000\u016c\u016d\u0006\u0013\uffff\uffff\u0000\u016d\u016f\u0001" +
+                    "\u0000\u0000\u0000\u016e\u016b\u0001\u0000\u0000\u0000\u016e\u016f\u0001" +
+                    "\u0000\u0000\u0000\u016f\u0170\u0001\u0000\u0000\u0000\u0170\u0171\u0006" +
+                    "\u0013\uffff\uffff\u0000\u0171\u0177\u0001\u0000\u0000\u0000\u0172\u0173" +
+                    "\u0005\u0015\u0000\u0000\u0173\u0174\u0003\u0002\u0001\u0000\u0174\u0175" +
+                    "\u0006\u0013\uffff\uffff\u0000\u0175\u0177\u0001\u0000\u0000\u0000\u0176" +
+                    "\u0166\u0001\u0000\u0000\u0000\u0176\u0172\u0001\u0000\u0000\u0000\u0177" +
+                    "\'\u0001\u0000\u0000\u0000\u0178\u0179\u0005\u0016\u0000\u0000\u0179\u017a" +
+                    "\u0003\u0012\t\u0000\u017a\u017b\u0005\u0017\u0000\u0000\u017b\u017c\u0003" +
+                    "\u0002\u0001\u0000\u017c\u017d\u0005\u0018\u0000\u0000\u017d\u017e\u0006" +
+                    "\u0014\uffff\uffff\u0000\u017e)\u0001\u0000\u0000\u0000\u017f\u0180\u0005" +
+                    "\u0017\u0000\u0000\u0180\u0181\u0003\u0002\u0001\u0000\u0181\u0182\u0005" +
+                    "\u0016\u0000\u0000\u0182\u0183\u0003\u0012\t\u0000\u0183\u0184\u0005\u0018" +
+                    "\u0000\u0000\u0184\u0185\u0006\u0015\uffff\uffff\u0000\u0185+\u0001\u0000" +
+                    "\u0000\u0000\u0186\u0187\u0005\u0019\u0000\u0000\u0187\u0188\u0006\u0016" +
+                    "\uffff\uffff\u0000\u0188\u0189\u0003\u0002\u0001\u0000\u0189\u018a\u0005" +
+                    "\u0003\u0000\u0000\u018a\u018b\u0003\u0012\t\u0000\u018b\u018c\u0005\u0003" +
+                    "\u0000\u0000\u018c\u018d\u0003\u0012\t\u0000\u018d\u018e\u0005\u0017\u0000" +
+                    "\u0000\u018e\u018f\u0003\u0002\u0001\u0000\u018f\u0190\u0005\u0018\u0000" +
+                    "\u0000\u0190\u0191\u0006\u0016\uffff\uffff\u0000\u0191-\u0001\u0000\u0000" +
+                    "\u0000\u0192\u0193\u00030\u0018\u0000\u0193\u0194\u0006\u0017\uffff\uffff" +
+                    "\u0000\u0194\u0199\u0001\u0000\u0000\u0000\u0195\u0196\u00032\u0019\u0000" +
+                    "\u0196\u0197\u0006\u0017\uffff\uffff\u0000\u0197\u0199\u0001\u0000\u0000" +
+                    "\u0000\u0198\u0192\u0001\u0000\u0000\u0000\u0198\u0195\u0001\u0000\u0000" +
+                    "\u0000\u0199/\u0001\u0000\u0000\u0000\u019a\u019b\u00032\u0019\u0000\u019b" +
+                    "\u019c\u0005\u001a\u0000\u0000\u019c\u019d\u0003.\u0017\u0000\u019d\u019e" +
+                    "\u0006\u0018\uffff\uffff\u0000\u019e1\u0001\u0000\u0000\u0000\u019f\u01a0" +
+                    "\u00034\u001a\u0000\u01a0\u01a1\u0006\u0019\uffff\uffff\u0000\u01a1\u01db" +
+                    "\u0001\u0000\u0000\u0000\u01a2\u01a3\u00036\u001b\u0000\u01a3\u01a4\u0006" +
+                    "\u0019\uffff\uffff\u0000\u01a4\u01db\u0001\u0000\u0000\u0000\u01a5\u01a6" +
+                    "\u00038\u001c\u0000\u01a6\u01a7\u0006\u0019\uffff\uffff\u0000\u01a7\u01db" +
+                    "\u0001\u0000\u0000\u0000\u01a8\u01a9\u0003:\u001d\u0000\u01a9\u01aa\u0006" +
+                    "\u0019\uffff\uffff\u0000\u01aa\u01db\u0001\u0000\u0000\u0000\u01ab\u01ac" +
+                    "\u0005.\u0000\u0000\u01ac\u01b1\u0006\u0019\uffff\uffff\u0000\u01ad\u01ae" +
+                    "\u0005\u001b\u0000\u0000\u01ae\u01af\u0003.\u0017\u0000\u01af\u01b0\u0006" +
+                    "\u0019\uffff\uffff\u0000\u01b0\u01b2\u0001\u0000\u0000\u0000\u01b1\u01ad" +
+                    "\u0001\u0000\u0000\u0000\u01b1\u01b2\u0001\u0000\u0000\u0000\u01b2\u01b3" +
+                    "\u0001\u0000\u0000\u0000\u01b3\u01db\u0006\u0019\uffff\uffff\u0000\u01b4" +
+                    "\u01b7\u0006\u0019\uffff\uffff\u0000\u01b5\u01b6\u0005+\u0000\u0000\u01b6" +
+                    "\u01b8\u0006\u0019\uffff\uffff\u0000\u01b7\u01b5\u0001\u0000\u0000\u0000" +
+                    "\u01b7\u01b8\u0001\u0000\u0000\u0000\u01b8\u01b9\u0001\u0000\u0000\u0000" +
+                    "\u01b9\u01ba\u00051\u0000\u0000\u01ba\u01db\u0006\u0019\uffff\uffff\u0000" +
+                    "\u01bb\u01bc\u00050\u0000\u0000\u01bc\u01db\u0006\u0019\uffff\uffff\u0000" +
+                    "\u01bd\u01be\u0005/\u0000\u0000\u01be\u01db\u0006\u0019\uffff\uffff\u0000" +
+                    "\u01bf\u01c0\u0005\r\u0000\u0000\u01c0\u01db\u0006\u0019\uffff\uffff\u0000" +
+                    "\u01c1\u01c2\u0005\u000e\u0000\u0000\u01c2\u01db\u0006\u0019\uffff\uffff" +
+                    "\u0000\u01c3\u01c4\u0005\u001c\u0000\u0000\u01c4\u01c5\u0005\u001d\u0000" +
+                    "\u0000\u01c5\u01db\u0006\u0019\uffff\uffff\u0000\u01c6\u01c7\u0005\u001c" +
+                    "\u0000\u0000\u01c7\u01c8\u0005\u001e\u0000\u0000\u01c8\u01db\u0006\u0019" +
+                    "\uffff\uffff\u0000\u01c9\u01ca\u0005\u001c\u0000\u0000\u01ca\u01cb\u0005" +
+                    "\u001f\u0000\u0000\u01cb\u01db\u0006\u0019\uffff\uffff\u0000\u01cc\u01cd" +
+                    "\u0005\u001c\u0000\u0000\u01cd\u01ce\u0005 \u0000\u0000\u01ce\u01db\u0006" +
+                    "\u0019\uffff\uffff\u0000\u01cf\u01d0\u0005\u001c\u0000\u0000\u01d0\u01d1" +
+                    "\u0005!\u0000\u0000\u01d1\u01db\u0006\u0019\uffff\uffff\u0000\u01d2\u01d3" +
+                    "\u0005\u001c\u0000\u0000\u01d3\u01d4\u0005\u0006\u0000\u0000\u01d4\u01db" +
+                    "\u0006\u0019\uffff\uffff\u0000\u01d5\u01d6\u0005\u0007\u0000\u0000\u01d6" +
+                    "\u01d7\u0003.\u0017\u0000\u01d7\u01d8\u0005\b\u0000\u0000\u01d8\u01d9" +
+                    "\u0006\u0019\uffff\uffff\u0000\u01d9\u01db\u0001\u0000\u0000\u0000\u01da" +
+                    "\u019f\u0001\u0000\u0000\u0000\u01da\u01a2\u0001\u0000\u0000\u0000\u01da" +
+                    "\u01a5\u0001\u0000\u0000\u0000\u01da\u01a8\u0001\u0000\u0000\u0000\u01da" +
+                    "\u01ab\u0001\u0000\u0000\u0000\u01da\u01b4\u0001\u0000\u0000\u0000\u01da" +
+                    "\u01bb\u0001\u0000\u0000\u0000\u01da\u01bd\u0001\u0000\u0000\u0000\u01da" +
+                    "\u01bf\u0001\u0000\u0000\u0000\u01da\u01c1\u0001\u0000\u0000\u0000\u01da" +
+                    "\u01c3\u0001\u0000\u0000\u0000\u01da\u01c6\u0001\u0000\u0000\u0000\u01da" +
+                    "\u01c9\u0001\u0000\u0000\u0000\u01da\u01cc\u0001\u0000\u0000\u0000\u01da" +
+                    "\u01cf\u0001\u0000\u0000\u0000\u01da\u01d2\u0001\u0000\u0000\u0000\u01da" +
+                    "\u01d5\u0001\u0000\u0000\u0000\u01db3\u0001\u0000\u0000\u0000\u01dc\u01dd" +
+                    "\u0005\"\u0000\u0000\u01dd\u01de\u0006\u001a\uffff\uffff\u0000\u01de5" +
+                    "\u0001\u0000\u0000\u0000\u01df\u01e0\u0006\u001b\uffff\uffff\u0000\u01e0" +
+                    "\u01f0\u0005-\u0000\u0000\u01e1\u01ed\u0005\u0007\u0000\u0000\u01e2\u01e3" +
+                    "\u0003.\u0017\u0000\u01e3\u01ea\u0006\u001b\uffff\uffff\u0000\u01e4\u01e5" +
+                    "\u0005\u0003\u0000\u0000\u01e5\u01e6\u0003.\u0017\u0000\u01e6\u01e7\u0006" +
+                    "\u001b\uffff\uffff\u0000\u01e7\u01e9\u0001\u0000\u0000\u0000\u01e8\u01e4" +
+                    "\u0001\u0000\u0000\u0000\u01e9\u01ec\u0001\u0000\u0000\u0000\u01ea\u01e8" +
+                    "\u0001\u0000\u0000\u0000\u01ea\u01eb\u0001\u0000\u0000\u0000\u01eb\u01ee" +
+                    "\u0001\u0000\u0000\u0000\u01ec\u01ea\u0001\u0000\u0000\u0000\u01ed\u01e2" +
+                    "\u0001\u0000\u0000\u0000\u01ed\u01ee\u0001\u0000\u0000\u0000\u01ee\u01ef" +
+                    "\u0001\u0000\u0000\u0000\u01ef\u01f1\u0005\b\u0000\u0000\u01f0\u01e1\u0001" +
+                    "\u0000\u0000\u0000\u01f0\u01f1\u0001\u0000\u0000\u0000\u01f1\u01f2\u0001" +
+                    "\u0000\u0000\u0000\u01f2\u01f3\u0006\u001b\uffff\uffff\u0000\u01f37\u0001" +
+                    "\u0000\u0000\u0000\u01f4\u01f5\u0006\u001c\uffff\uffff\u0000\u01f5\u0201" +
+                    "\u0005\u000b\u0000\u0000\u01f6\u01f7\u0003.\u0017\u0000\u01f7\u01fe\u0006" +
+                    "\u001c\uffff\uffff\u0000\u01f8\u01f9\u0005\u0003\u0000\u0000\u01f9\u01fa" +
+                    "\u0003.\u0017\u0000\u01fa\u01fb\u0006\u001c\uffff\uffff\u0000\u01fb\u01fd" +
+                    "\u0001\u0000\u0000\u0000\u01fc\u01f8\u0001\u0000\u0000\u0000\u01fd\u0200" +
+                    "\u0001\u0000\u0000\u0000\u01fe\u01fc\u0001\u0000\u0000\u0000\u01fe\u01ff" +
+                    "\u0001\u0000\u0000\u0000\u01ff\u0202\u0001\u0000\u0000\u0000\u0200\u01fe" +
+                    "\u0001\u0000\u0000\u0000\u0201\u01f6\u0001\u0000\u0000\u0000\u0201\u0202" +
+                    "\u0001\u0000\u0000\u0000\u0202\u0203\u0001\u0000\u0000\u0000\u0203\u0204" +
+                    "\u0005\f\u0000\u0000\u0204\u0205\u0006\u001c\uffff\uffff\u0000\u02059" +
+                    "\u0001\u0000\u0000\u0000\u0206\u0207\u0006\u001d\uffff\uffff\u0000\u0207" +
+                    "\u0213\u0005\t\u0000\u0000\u0208\u0209\u0003.\u0017\u0000\u0209\u0210" +
+                    "\u0006\u001d\uffff\uffff\u0000\u020a\u020b\u0005\u0003\u0000\u0000\u020b" +
+                    "\u020c\u0003.\u0017\u0000\u020c\u020d\u0006\u001d\uffff\uffff\u0000\u020d" +
+                    "\u020f\u0001\u0000\u0000\u0000\u020e\u020a\u0001\u0000\u0000\u0000\u020f" +
+                    "\u0212\u0001\u0000\u0000\u0000\u0210\u020e\u0001\u0000\u0000\u0000\u0210" +
+                    "\u0211\u0001\u0000\u0000\u0000\u0211\u0214\u0001\u0000\u0000\u0000\u0212" +
+                    "\u0210\u0001\u0000\u0000\u0000\u0213\u0208\u0001\u0000\u0000\u0000\u0213" +
+                    "\u0214\u0001\u0000\u0000\u0000\u0214\u0215\u0001\u0000\u0000\u0000\u0215" +
+                    "\u0216\u0005\n\u0000\u0000\u0216\u0217\u0006\u001d\uffff\uffff\u0000\u0217" +
+                    ";\u0001\u0000\u0000\u0000\u0218\u0219\u0005#\u0000\u0000\u0219\u021a\u0003" +
+                    "\u0012\t\u0000\u021a\u021b\u0005$\u0000\u0000\u021b\u021c\u0003>\u001f" +
+                    "\u0000\u021c\u021d\u0005%\u0000\u0000\u021d\u021e\u0006\u001e\uffff\uffff" +
+                    "\u0000\u021e=\u0001\u0000\u0000\u0000\u021f\u0220\u0006\u001f\uffff\uffff" +
+                    "\u0000\u0220\u0221\u0003@ \u0000\u0221\u0228\u0006\u001f\uffff\uffff\u0000" +
+                    "\u0222\u0223\u0005&\u0000\u0000\u0223\u0224\u0003@ \u0000\u0224\u0225" +
+                    "\u0006\u001f\uffff\uffff\u0000\u0225\u0227\u0001\u0000\u0000\u0000\u0226" +
+                    "\u0222\u0001\u0000\u0000\u0000\u0227\u022a\u0001\u0000\u0000\u0000\u0228" +
+                    "\u0226\u0001\u0000\u0000\u0000\u0228\u0229\u0001\u0000\u0000\u0000\u0229" +
+                    "?\u0001\u0000\u0000\u0000\u022a\u0228\u0001\u0000\u0000\u0000\u022b\u022c" +
+                    "\u0006 \uffff\uffff\u0000\u022c\u022d\u0003.\u0017\u0000\u022d\u022e\u0006" +
+                    " \uffff\uffff\u0000\u022e\u022f\u0005\'\u0000\u0000\u022f\u0230\u0003" +
+                    "\u0002\u0001\u0000\u0230\u0231\u0006 \uffff\uffff\u0000\u0231\u0232\u0006" +
+                    " \uffff\uffff\u0000\u0232A\u0001\u0000\u0000\u0000\u0233\u0234\u0005," +
+                    "\u0000\u0000\u0234\u0238\u0006!\uffff\uffff\u0000\u0235\u0236\u0005+\u0000" +
+                    "\u0000\u0236\u0238\u0006!\uffff\uffff\u0000\u0237\u0233\u0001\u0000\u0000" +
+                    "\u0000\u0237\u0235\u0001\u0000\u0000\u0000\u0238C\u0001\u0000\u0000\u0000" +
+                    "(PV[ekx\u0084\u0089\u0091\u009f\u00ad\u00ba\u00c0\u00c9\u00d8\u00e4\u011e" +
+                    "\u012a\u012d\u013c\u013f\u014f\u0152\u0155\u0161\u016e\u0176\u0198\u01b1" +
+                    "\u01b7\u01da\u01ea\u01ed\u01f0\u01fe\u0201\u0210\u0213\u0228\u0237";
+    public static final ATN _ATN =
+            new ATNDeserializer().deserialize(_serializedATN.toCharArray());
+
+    static {
+        _decisionToDFA = new DFA[_ATN.getNumberOfDecisions()];
+        for (int i = 0; i < _ATN.getNumberOfDecisions(); i++) {
+            _decisionToDFA[i] = new DFA(_ATN.getDecisionState(i), i);
+        }
+    }
 }
\ No newline at end of file