diff --git a/src/main/java/org/programsnail/truffle_lama/nodes/controlflow/LamaIfNode.java b/src/main/java/org/programsnail/truffle_lama/nodes/controlflow/LamaIfNode.java
index 0d620b9..c1693df 100644
--- a/src/main/java/org/programsnail/truffle_lama/nodes/controlflow/LamaIfNode.java
+++ b/src/main/java/org/programsnail/truffle_lama/nodes/controlflow/LamaIfNode.java
@@ -4,6 +4,9 @@ import com.oracle.truffle.api.frame.VirtualFrame;
 import com.oracle.truffle.api.nodes.UnexpectedResultException;
 import com.oracle.truffle.api.profiles.ConditionProfile;
 import org.programsnail.truffle_lama.nodes.LamaExpressionNode;
+import org.programsnail.truffle_lama.runtime.LamaUnit;
+
+import java.util.Objects;
 
 public final class LamaIfNode extends LamaExpressionNode {
     @Child
@@ -19,9 +22,10 @@ public final class LamaIfNode extends LamaExpressionNode {
 
     @Override
     public Object executeGeneric(VirtualFrame frame) throws UnexpectedResultException {
-      if (this.condition.profile(this.conditionExpr.executeBoolean(frame))) {
-          return this.thenExpr.executeGeneric(frame);
-      }
-      return this.elseExpr; // TODO: cases with no else
+        if (this.condition.profile(this.conditionExpr.executeBoolean(frame))) {
+            return this.thenExpr.executeGeneric(frame);
+        }
+        // TODO: or throw ??
+        return Objects.requireNonNullElse(this.elseExpr, LamaUnit.INSTANCE);
     }
 }
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 2eb1d1b..a531362 100644
--- a/src/main/java/org/programsnail/truffle_lama/parser/Lama.g4
+++ b/src/main/java/org/programsnail/truffle_lama/parser/Lama.g4
@@ -49,6 +49,7 @@ grammar Lama;
 {
 // DO NOT MODIFY - generated from Lama.g4
 
+import java.util.Optional;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
@@ -110,27 +111,66 @@ public static LamaExpressionNode parseLama(LamaLanguage language, Source source)
 
 // parser
 
-lama : /* (import_expression)* */ scope_expression EOF;
+lama returns [LamaExpressionNode result]:
+    /* (import_expression)* */
+    scope_expression { $result = $scope_expression.result; }
+    EOF;
 
 //import_expression : 'import' UIDENT ';';
 
-scope_expression :
-      definition+ (expression)?
-    | expression;
+scope_expression  returns [LamaExpressionNode result]:
+    definition { $result = $expression.result; }
+    (
+        definition { $result = factory.createSeqNode($result, $expression.result); }
+    )* (
+        expression { $result = factory.createSeqNode($result, $expression.result); }
+    )?
+    | expression { $result = $expression.result; }
+;
 
 definition returns [LamaExpressionNode result]:
-      variable_definition
-    | function_definition
+      variable_definition { $result = $variable_definition.result; }
+    | function_definition { $result = $function_definition.result; }
+;
 //    | infix_definition;
 
 //
 
-variable_definition: ('var' | 'public') variable_definition_sequence;
-variable_definition_sequence : variable_definition_item (',' variable_definition_item)* ';';
-variable_definition_item : LIDENT ('=' basic_expression)?;
-function_definition returns [LamaExpressionNode result]: ('public')? 'fun' LIDENT '(' (function_arguments)? ')' function_body;
-function_arguments : LIDENT (',' LIDENT)*;
-function_body returns [LamaExpressionNode result]: '{' scope_expression '}';
+variable_definition returns [LamaExpressionNode result]
+    : { boolean is_public = false; }
+    ('var' |
+        'public' { is_public = true; }
+    )
+    variable_definition_sequence[is_public] { $result = $variable_definition_sequence.result; }
+;
+variable_definition_sequence[boolean is_public] returns [LamaExpressionNode result]:
+    variable_definition_item { $result = factory.addVarNode($variable_definition_item.name, $variable_definition_item.expr); }
+    (','
+        variable_definition_item { $result = factory.addSeqNode($result, factory.addVarNode($variable_definition_item.name, $variable_definition_item.expr)); }
+    )* ';';
+variable_definition_item returns [TruffleString name, Optional<LamaExpressionNode> expr]
+    : { $expr = Optional.empty(); }
+    LIDENT { $name = $LIDENT; }
+    ('='
+        basic_expression { $expr = Optional.of($basic_expression.result); }
+    )?;
+function_definition returns [LamaExpressionNode result]  // TODO: scopes
+    : { boolean is_public = false; }
+    (
+        'public' { is_public = true; }
+    )? 'fun' LIDENT '(' (function_arguments)? ')' function_body
+    { $result = factory.addFunctionDefinition($LIDENT, $function_arguments.args, $function_body.result); }
+;
+function_arguments returns [List<TruffleString> args]
+    : { $args = new ArrayList<TruffleString>(); }
+    LIDENT { $args.addLast($LIDENT); }
+    (','
+        LIDENT { $args.addLast($LIDENT); }
+    )*;
+function_body returns [LamaExpressionNode result]:
+    '{'
+        scope_expression { $result = $scope_expression.result; }
+    '}';
 
 //
 
@@ -141,93 +181,217 @@ function_body returns [LamaExpressionNode result]: '{' scope_expression '}';
 
 //
 
-expression returns [LamaExpressionNode result]: basic_expression (';' expression)?;
-basic_expression returns [LamaExpressionNode result]: binary_expression;
-binary_expression returns [LamaExpressionNode result]: postfix_expression (any_infix postfix_expression)*;
-postfix_expression returns [LamaExpressionNode result]: ('-')? primary (postfix)*;
-postfix :
-    '(' expression (',' expression)* ')'
+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); }
+    )*;
+postfix_expression returns [LamaExpressionNode result]
+    : { boolean with_minus = false; }
+    (
+        MINUS { with_minus = true; }
+    )?
+        primary { $result = $primary.result; }
+    (
+        postfix {
+            if ($postfix.access_index.isPresent()) {
+                $result = factory.createElemNode($result, ($postfix.access_index.get())); // TODO: or RefElem node
+            } else {
+                $result = factory.createCallNode($result, $postfix.args);
+            }
+        }
+    )*; // TODO: elem or elem ref for access node ??
+postfix returns [List<LamaExpressionNode> args, Optional<LamaExpressionNode> access_index]
+    : { $args = new ArrayList<LamaExpressionNode>(); $access_index = Option.empty(); }
+    '('
+        expression { $args.addLast($expression.result); }
+        (','
+            expression { $args.addLast($expression.result); }
+        )*
+    ')'
   | '(' ')'
-  | '[' expression ']';
+  | '['
+        expression { $access_index = Option.of($expression.result); }
+    ']'
+;
 
 primary returns [LamaExpressionNode result]:
-    DECIMAL_LITERAL
-  | STRING_LITERAL
-  | CHAR_LITERAL
-  | LIDENT
-  | 'true'
-  | 'false'
-  | 'infix' any_infix
+    DECIMAL_LITERAL { $result = factory.createConstNode($DECIMAL_LITERAL); } // minus - inside decimal literal definition
+  | STRING_LITERAL { $result = factory.createStringNode(LamaStrings.convertStringLiteral($STRING_LITERAL)); }
+  | CHAR_LITERAL { $result = factory.createConstNode(LamaStrings.convertCharLiteral($CHAR_LITERAL)); }
+  | LIDENT { $result = factory.createRefNode($LIDENT); }
+  | 'true' { $result = factory.createConstNode(1); }
+  | 'false' { $result = factory.createConstNode(0); }
+  | 'infix' any_infix { $result = factory.createRefNode($any_infix.result); }
   | 'fun' '(' function_arguments ')' function_body
-  | 'skip'
-  | '(' scope_expression ')'
-  | list_expression
-  | array_expression
-  | s_expression
-  | if_expression
-  | while_do_expression
-  | do_while_expression
-  | for_expression
-  | case_expression
+    { $result = factory.addClosureDefinition($function_arguments.args, $function_body.result); } // TODO: scopes
+  | 'skip' { $result = factory.createSkipNode(); }
+  | '(' scope_expression ')' { $result = $scope_expression.result; } // add some scope for correct attribution ??
+  | list_expression { $result = $list_expression.result; }
+  | array_expression { $result = $array_expression.result; }
+  | s_expression { $result = $s_expression.result; }
+  | if_expression { $result = $if_expression.result; }
+  | while_do_expression { $result = $while_do_expression.result; }
+  | do_while_expression { $result = $do_while_expression.result; }
+  | for_expression { $result = $for_expression.result; }
+  | case_expression { $result = $case_expression.result; }
 ;
 
 //
 
-array_expression returns [LamaExpressionNode result]: '[' (expression (',' expression)* )? ']';
-list_expression  returns [LamaExpressionNode result]: '{' (expression (',' expression)* )? '}';
-s_expression  returns [LamaExpressionNode result]: /*TODO */ UIDENT ('(' (expression (',' expression)* )? ')')?;
+array_expression returns [LamaExpressionNode result]
+    : { List<LamaExpressionNode> elems = new ArrayList<LamaExpressionNode>(); }
+    '[' (
+        expression { elems.addLast($expression.result); }
+        (','
+            expression { elems.addLast($expression.result); }
+        )*
+    )? ']'
+    { $result = factory.createArrayNode(elems); }
+;
+list_expression  returns [LamaExpressionNode result]
+   : { List<LamaExpressionNode> elems = new ArrayList<LamaExpressionNode>(); }
+    '{' (
+        expression { elems.addLast($expression.result); }
+        (','
+            expression {elems.addLast($expression.result); }
+        )*
+    )? '}'
+   { $result = factory.createListSexpNode(elems); }
+;
+s_expression returns [LamaExpressionNode result]
+    : { List<LamaExpressionNode> elems = new ArrayList<LamaExpressionNode>(); }
+    UIDENT
+    ('(' (
+        expression {elems.addLast($expression.result); }
+        (','
+            expression {elems.addLast($expression.result); }
+        )*
+    )? ')')?
+    { $result = factory.createSexpNode($UIDENT, elems); }
+;
 
 //
 
-if_expression  returns [LamaExpressionNode result]: 'if' expression 'then' scope_expression (else_part)? 'fi';
-else_part :
-    'elif' expression 'then' scope_expression (else_part)?
-  | 'else' scope_expression;
+if_expression returns [LamaExpressionNode result]
+    : { LamaExpressionNode do_else = null; }
+    'if' expression 'then' scope_expression (
+        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 (
+        else_part { do_else = $else_part.result; }
+    )? { $result = factory.createIfNode($expression.result, $scope_expression.result, do_else); }
+  | 'else' scope_expression { $result = $scope_expression.result; };
 
 //
 
-while_do_expression  returns [LamaExpressionNode result]: 'while' expression 'do' scope_expression 'od';
-do_while_expression  returns [LamaExpressionNode result]: 'do' scope_expression 'while' expression 'od';
-for_expression  returns [LamaExpressionNode result]: 'for' scope_expression ',' expression ',' expression 'do' scope_expression 'od';
+while_do_expression returns [LamaExpressionNode result]: 'while' expression 'do' scope_expression 'od'
+    { $result = factory.createWhileNode($expression.result, $scope_expression.result); };
+do_while_expression returns [LamaExpressionNode result]: 'do' scope_expression '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))); }
+;
 
 //
 
-pattern  returns [LamaPattern result]: cons_pattern | simple_pattern;
-cons_pattern returns [LamaPattern result]: simple_pattern ':' pattern;
+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}); };
 simple_pattern returns [LamaPattern result]:
-    wildcard_pattern
-  | s_expr_pattern
-  | array_pattern
-  | list_pattern
-  | LIDENT ('@' pattern)?
-  | (MINUS)? DECIMAL_LITERAL
-  | STRING_LITERAL
-  | CHAR_LITERAL
-  | 'true'
-  | 'false'
-  | '#' 'box'
-  | '#' 'val'
-  | '#' 'str'
-  | '#' 'array'
-  | '#''sexp'
-  | '#' 'fun'
-  | '(' pattern ')'
+    wildcard_pattern { $result = $wildcard_pattern.result; }
+  | s_expr_pattern { $result = $s_expr_pattern.result; }
+  | array_pattern { $result = $array_pattern.result; }
+  | list_pattern { $result = $list_pattern.result; }
+  | LIDENT
+    { LamaPattern pat = null; }
+    ('@'
+        pattern { pat = $pattern.result; }
+    )?
+    { $result = factory.createNamedPattern($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); }
+  | '#' 'box' { $result = factory.createBoxedPattern(); }
+  | '#' 'val' { $result = factory.createUnBoxedPattern(); }
+  | '#' 'str' { $result = factory.createStringTagPattern(); }
+  | '#' 'array' { $result = factory.createArrayTagPattern(); }
+  | '#''sexp' { $result = factory.createSexpTagPattern(); }
+  | '#' 'fun' { $result = factory.createClosureTagPattern(); }
+  | '(' pattern ')' { $result = $pattern.result; } // add some scope for correct attribution ??
 ;
 
-wildcard_pattern returns [LamaPattern result]: '_';
-s_expr_pattern returns [LamaPattern result]: UIDENT ('(' (pattern (',' pattern)*)? ')')?;
-array_pattern returns [LamaPattern result]: '[' (pattern (',' pattern)*)? ']';
-list_pattern returns [LamaPattern result]: '{' (pattern (',' pattern)*)? '}';
+wildcard_pattern returns [LamaPattern result]: '_' { $result = factory.createWildcardPattern(); };
+s_expr_pattern returns [LamaPattern result]
+    : { List<LamaPattern> elems = new ArrayList<LamaPattern>(); }
+    UIDENT
+    ('(' (
+        pattern { elems.addLast($pattern.result); }
+        (','
+            pattern { elems.addLast($pattern.result); }
+        )*)?
+    ')')?
+    { $result = factory.createSexpPattern($UIDENT, elems); }
+;
+array_pattern returns [LamaPattern result]
+    : { List<LamaPattern> elems = new ArrayList<LamaPattern>(); }
+    '[' (
+        pattern { elems.addLast($pattern.result); }
+        (','
+            pattern { elems.addLast($pattern.result); }
+        )*)?
+    ']'
+    { $result = factory.createArrayPattern(elems); }
+;
+list_pattern returns [LamaPattern result]:
+    '{' (
+        pattern { $result = $pattern.result; }
+        (','
+            pattern { $result = factory.createSexpPattern("cons", {$result, $pattern.result}); } //FIXME: wrong order
+        )*)?
+    '}';
 
 //
 
-case_expression  returns [LamaExpressionNode result]: 'case' expression 'of' case_branches 'esac';
-case_branches : case_branch ('|' case_branch)*;
-case_branch : pattern '->' scope_expression;
+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; }
+    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]:
+    pattern { $pat = $pattern.result; }
+    '->'
+    scope_expression { $expr = $scope_expression.result; }
+;
 
-//
-
-any_infix : INFIX | MINUS;
+any_infix returns [String result]:
+      INFIX { $result = $INFIX; }
+    | MINUS { $result = $MINUS; }
+;
 
 // lexer
 
@@ -239,13 +403,13 @@ fragment NON_ZERO_DIGIT : [1-9];
 fragment DIGIT : [0-9];
 fragment STRING_CHAR : ~('"' | '\r' | '\n');
 
-MINUS: '-';
+MINUS : '-';
 INFIX : [+*/%$#@!|&^?<>.:=\-]+;
 UIDENT : [A-Z][a-zA-Z_0-9]*;
 LIDENT : [a-z][a-zA-Z_0-9]*;
 
 CHAR_LITERAL : '\'' STRING_CHAR '\'';
 STRING_LITERAL : '"' STRING_CHAR* '"';
-DECIMAL_LITERAL : '0' | ('-'?) NON_ZERO_DIGIT DIGIT*;
+DECIMAL_LITERAL : '0' | /*('-'?)*/ NON_ZERO_DIGIT DIGIT*;
 
 WORD : [a-zA-Z_0-9]+;
\ No newline at end of file
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 b8dd464..6294a85 100644
--- a/src/main/java/org/programsnail/truffle_lama/parser/Lama.interp
+++ b/src/main/java/org/programsnail/truffle_lama/parser/Lama.interp
@@ -1,27 +1,20 @@
 token literal names:
 null
-'import'
-';'
 'var'
 'public'
 ','
+';'
 '='
 'fun'
 '('
 ')'
 '{'
 '}'
-'infix'
-'infixl'
-'infixr'
-'at'
-'before'
-'after'
-'-'
 '['
 ']'
 'true'
 'false'
+'infix'
 'skip'
 'if'
 'then'
@@ -32,7 +25,6 @@ null
 'do'
 'od'
 'for'
-'|'
 ':'
 '@'
 '#'
@@ -45,10 +37,12 @@ null
 'case'
 'of'
 'esac'
+'|'
 '->'
 null
 null
 null
+'-'
 null
 null
 null
@@ -98,27 +92,20 @@ null
 null
 null
 null
-null
-null
-null
-null
-null
-null
-null
 WS
 COMMENT
 LINE_COMMENT
-WORD
+MINUS
 INFIX
 UIDENT
 LIDENT
 CHAR_LITERAL
 STRING_LITERAL
 DECIMAL_LITERAL
+WORD
 
 rule names:
 lama
-import_expression
 scope_expression
 definition
 variable_definition
@@ -127,10 +114,6 @@ variable_definition_item
 function_definition
 function_arguments
 function_body
-infix_definition
-infix_head
-infixity
-level
 expression
 basic_expression
 binary_expression
@@ -155,7 +138,8 @@ list_pattern
 case_expression
 case_branches
 case_branch
+any_infix
 
 
 atn:
-[4, 1, 56, 424, 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, 2, 34, 7, 34, 2, 35, 7, 35, 2, 36, 7, 36, 2, 37, 7, 37, 1, 0, 5, 0, 78, 8, 0, 10, 0, 12, 0, 81, 9, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 4, 2, 91, 8, 2, 11, 2, 12, 2, 92, 1, 2, 3, 2, 96, 8, 2, 1, 2, 3, 2, 99, 8, 2, 1, 3, 1, 3, 1, 3, 3, 3, 104, 8, 3, 1, 4, 1, 4, 1, 4, 1, 5, 1, 5, 1, 5, 5, 5, 112, 8, 5, 10, 5, 12, 5, 115, 9, 5, 1, 5, 1, 5, 1, 6, 1, 6, 1, 6, 3, 6, 122, 8, 6, 1, 7, 3, 7, 125, 8, 7, 1, 7, 1, 7, 1, 7, 1, 7, 3, 7, 131, 8, 7, 1, 7, 1, 7, 1, 7, 1, 8, 1, 8, 1, 8, 5, 8, 139, 8, 8, 10, 8, 12, 8, 142, 9, 8, 1, 9, 1, 9, 1, 9, 1, 9, 1, 10, 1, 10, 1, 10, 1, 10, 1, 10, 1, 10, 1, 11, 3, 11, 155, 8, 11, 1, 11, 1, 11, 1, 11, 1, 11, 1, 12, 1, 12, 1, 13, 1, 13, 1, 13, 1, 14, 1, 14, 1, 14, 3, 14, 169, 8, 14, 1, 15, 1, 15, 1, 16, 1, 16, 1, 16, 5, 16, 176, 8, 16, 10, 16, 12, 16, 179, 9, 16, 1, 17, 3, 17, 182, 8, 17, 1, 17, 1, 17, 5, 17, 186, 8, 17, 10, 17, 12, 17, 189, 9, 17, 1, 18, 1, 18, 1, 18, 1, 18, 5, 18, 195, 8, 18, 10, 18, 12, 18, 198, 9, 18, 1, 18, 1, 18, 1, 18, 1, 18, 1, 18, 1, 18, 3, 18, 206, 8, 18, 1, 19, 1, 19, 1, 19, 1, 19, 1, 19, 1, 19, 1, 19, 1, 19, 1, 19, 1, 19, 1, 19, 1, 19, 1, 19, 1, 19, 1, 19, 1, 19, 1, 19, 1, 19, 1, 19, 1, 19, 1, 19, 1, 19, 1, 19, 1, 19, 1, 19, 1, 19, 1, 19, 3, 19, 235, 8, 19, 1, 20, 1, 20, 1, 20, 1, 20, 5, 20, 241, 8, 20, 10, 20, 12, 20, 244, 9, 20, 3, 20, 246, 8, 20, 1, 20, 1, 20, 1, 21, 1, 21, 1, 21, 1, 21, 5, 21, 254, 8, 21, 10, 21, 12, 21, 257, 9, 21, 3, 21, 259, 8, 21, 1, 21, 1, 21, 1, 22, 1, 22, 1, 22, 1, 22, 1, 22, 5, 22, 268, 8, 22, 10, 22, 12, 22, 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6, 25, -1, 0, 427, 428, 5, 43, 0, 0, 428, 430, 6, 25, -1, 0, 429, 427, 1, 0, 0, 0, 429, 430, 1, 0, 0, 0, 430, 431, 1, 0, 0, 0, 431, 432, 5, 49, 0, 0, 432, 465, 6, 25, -1, 0, 433, 434, 5, 48, 0, 0, 434, 465, 6, 25, -1, 0, 435, 436, 5, 47, 0, 0, 436, 465, 6, 25, -1, 0, 437, 438, 5, 13, 0, 0, 438, 465, 6, 25, -1, 0, 439, 440, 5, 14, 0, 0, 440, 465, 6, 25, -1, 0, 441, 442, 5, 28, 0, 0, 442, 443, 5, 29, 0, 0, 443, 465, 6, 25, -1, 0, 444, 445, 5, 28, 0, 0, 445, 446, 5, 30, 0, 0, 446, 465, 6, 25, -1, 0, 447, 448, 5, 28, 0, 0, 448, 449, 5, 31, 0, 0, 449, 465, 6, 25, -1, 0, 450, 451, 5, 28, 0, 0, 451, 452, 5, 32, 0, 0, 452, 465, 6, 25, -1, 0, 453, 454, 5, 28, 0, 0, 454, 455, 5, 33, 0, 0, 455, 465, 6, 25, -1, 0, 456, 457, 5, 28, 0, 0, 457, 458, 5, 6, 0, 0, 458, 465, 6, 25, -1, 0, 459, 460, 5, 7, 0, 0, 460, 461, 3, 46, 23, 0, 461, 462, 5, 8, 0, 0, 462, 463, 6, 25, -1, 0, 463, 465, 1, 0, 0, 0, 464, 405, 1, 0, 0, 0, 464, 408, 1, 0, 0, 0, 464, 411, 1, 0, 0, 0, 464, 414, 1, 0, 0, 0, 464, 417, 1, 0, 0, 0, 464, 426, 1, 0, 0, 0, 464, 433, 1, 0, 0, 0, 464, 435, 1, 0, 0, 0, 464, 437, 1, 0, 0, 0, 464, 439, 1, 0, 0, 0, 464, 441, 1, 0, 0, 0, 464, 444, 1, 0, 0, 0, 464, 447, 1, 0, 0, 0, 464, 450, 1, 0, 0, 0, 464, 453, 1, 0, 0, 0, 464, 456, 1, 0, 0, 0, 464, 459, 1, 0, 0, 0, 465, 51, 1, 0, 0, 0, 466, 467, 5, 34, 0, 0, 467, 468, 6, 26, -1, 0, 468, 53, 1, 0, 0, 0, 469, 470, 6, 27, -1, 0, 470, 486, 5, 45, 0, 0, 471, 483, 5, 7, 0, 0, 472, 473, 3, 46, 23, 0, 473, 480, 6, 27, -1, 0, 474, 475, 5, 3, 0, 0, 475, 476, 3, 46, 23, 0, 476, 477, 6, 27, -1, 0, 477, 479, 1, 0, 0, 0, 478, 474, 1, 0, 0, 0, 479, 482, 1, 0, 0, 0, 480, 478, 1, 0, 0, 0, 480, 481, 1, 0, 0, 0, 481, 484, 1, 0, 0, 0, 482, 480, 1, 0, 0, 0, 483, 472, 1, 0, 0, 0, 483, 484, 1, 0, 0, 0, 484, 485, 1, 0, 0, 0, 485, 487, 5, 8, 0, 0, 486, 471, 1, 0, 0, 0, 486, 487, 1, 0, 0, 0, 487, 488, 1, 0, 0, 0, 488, 489, 6, 27, -1, 0, 489, 55, 1, 0, 0, 0, 490, 491, 6, 28, -1, 0, 491, 503, 5, 11, 0, 0, 492, 493, 3, 46, 23, 0, 493, 500, 6, 28, -1, 0, 494, 495, 5, 3, 0, 0, 495, 496, 3, 46, 23, 0, 496, 497, 6, 28, -1, 0, 497, 499, 1, 0, 0, 0, 498, 494, 1, 0, 0, 0, 499, 502, 1, 0, 0, 0, 500, 498, 1, 0, 0, 0, 500, 501, 1, 0, 0, 0, 501, 504, 1, 0, 0, 0, 502, 500, 1, 0, 0, 0, 503, 492, 1, 0, 0, 0, 503, 504, 1, 0, 0, 0, 504, 505, 1, 0, 0, 0, 505, 506, 5, 12, 0, 0, 506, 507, 6, 28, -1, 0, 507, 57, 1, 0, 0, 0, 508, 520, 5, 9, 0, 0, 509, 510, 3, 46, 23, 0, 510, 517, 6, 29, -1, 0, 511, 512, 5, 3, 0, 0, 512, 513, 3, 46, 23, 0, 513, 514, 6, 29, -1, 0, 514, 516, 1, 0, 0, 0, 515, 511, 1, 0, 0, 0, 516, 519, 1, 0, 0, 0, 517, 515, 1, 0, 0, 0, 517, 518, 1, 0, 0, 0, 518, 521, 1, 0, 0, 0, 519, 517, 1, 0, 0, 0, 520, 509, 1, 0, 0, 0, 520, 521, 1, 0, 0, 0, 521, 522, 1, 0, 0, 0, 522, 523, 5, 10, 0, 0, 523, 59, 1, 0, 0, 0, 524, 525, 5, 35, 0, 0, 525, 526, 3, 18, 9, 0, 526, 527, 5, 36, 0, 0, 527, 528, 3, 62, 31, 0, 528, 529, 5, 37, 0, 0, 529, 530, 6, 30, -1, 0, 530, 61, 1, 0, 0, 0, 531, 532, 6, 31, -1, 0, 532, 533, 3, 64, 32, 0, 533, 540, 6, 31, -1, 0, 534, 535, 5, 38, 0, 0, 535, 536, 3, 64, 32, 0, 536, 537, 6, 31, -1, 0, 537, 539, 1, 0, 0, 0, 538, 534, 1, 0, 0, 0, 539, 542, 1, 0, 0, 0, 540, 538, 1, 0, 0, 0, 540, 541, 1, 0, 0, 0, 541, 63, 1, 0, 0, 0, 542, 540, 1, 0, 0, 0, 543, 544, 3, 46, 23, 0, 544, 545, 6, 32, -1, 0, 545, 546, 5, 39, 0, 0, 546, 547, 3, 2, 1, 0, 547, 548, 6, 32, -1, 0, 548, 65, 1, 0, 0, 0, 549, 550, 5, 44, 0, 0, 550, 554, 6, 33, -1, 0, 551, 552, 5, 43, 0, 0, 552, 554, 6, 33, -1, 0, 553, 549, 1, 0, 0, 0, 553, 551, 1, 0, 0, 0, 554, 67, 1, 0, 0, 0, 40, 79, 85, 90, 98, 104, 117, 129, 134, 140, 154, 168, 181, 187, 196, 209, 221, 277, 289, 292, 307, 310, 326, 329, 332, 344, 357, 365, 398, 423, 429, 464, 480, 483, 486, 500, 503, 517, 520, 540, 553]
\ No newline at end of file
diff --git a/src/main/java/org/programsnail/truffle_lama/parser/Lama.tokens b/src/main/java/org/programsnail/truffle_lama/parser/Lama.tokens
index ae67504..479a7ae 100644
--- a/src/main/java/org/programsnail/truffle_lama/parser/Lama.tokens
+++ b/src/main/java/org/programsnail/truffle_lama/parser/Lama.tokens
@@ -37,66 +37,54 @@ T__35=36
 T__36=37
 T__37=38
 T__38=39
-T__39=40
-T__40=41
-T__41=42
-T__42=43
-T__43=44
-T__44=45
-T__45=46
-WS=47
-COMMENT=48
-LINE_COMMENT=49
+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
-INFIX=51
-UIDENT=52
-LIDENT=53
-CHAR_LITERAL=54
-STRING_LITERAL=55
-DECIMAL_LITERAL=56
-'import'=1
-';'=2
-'var'=3
-'public'=4
-','=5
-'='=6
-'fun'=7
-'('=8
-')'=9
-'{'=10
-'}'=11
-'infix'=12
-'infixl'=13
-'infixr'=14
-'at'=15
-'before'=16
-'after'=17
-'-'=18
-'['=19
-']'=20
-'true'=21
-'false'=22
-'skip'=23
-'if'=24
-'then'=25
-'fi'=26
-'elif'=27
-'else'=28
-'while'=29
-'do'=30
-'od'=31
-'for'=32
-'|'=33
-':'=34
-'@'=35
-'#'=36
-'box'=37
-'val'=38
-'str'=39
-'array'=40
-'sexp'=41
-'_'=42
-'case'=43
-'of'=44
-'esac'=45
-'->'=46
+'var'=1
+'public'=2
+','=3
+';'=4
+'='=5
+'fun'=6
+'('=7
+')'=8
+'{'=9
+'}'=10
+'['=11
+']'=12
+'true'=13
+'false'=14
+'infix'=15
+'skip'=16
+'if'=17
+'then'=18
+'fi'=19
+'elif'=20
+'else'=21
+'while'=22
+'do'=23
+'od'=24
+'for'=25
+':'=26
+'@'=27
+'#'=28
+'box'=29
+'val'=30
+'str'=31
+'array'=32
+'sexp'=33
+'_'=34
+'case'=35
+'of'=36
+'esac'=37
+'|'=38
+'->'=39
+'-'=43
diff --git a/src/main/java/org/programsnail/truffle_lama/parser/LamaBaseListener.java b/src/main/java/org/programsnail/truffle_lama/parser/LamaBaseListener.java
index 98d45cd..4da5690 100644
--- a/src/main/java/org/programsnail/truffle_lama/parser/LamaBaseListener.java
+++ b/src/main/java/org/programsnail/truffle_lama/parser/LamaBaseListener.java
@@ -24,18 +24,6 @@ public class LamaBaseListener implements LamaListener {
 	 * <p>The default implementation does nothing.</p>
 	 */
 	@Override public void exitLama(LamaParser.LamaContext ctx) { }
-	/**
-	 * {@inheritDoc}
-	 *
-	 * <p>The default implementation does nothing.</p>
-	 */
-	@Override public void enterImport_expression(LamaParser.Import_expressionContext ctx) { }
-	/**
-	 * {@inheritDoc}
-	 *
-	 * <p>The default implementation does nothing.</p>
-	 */
-	@Override public void exitImport_expression(LamaParser.Import_expressionContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
@@ -132,54 +120,6 @@ public class LamaBaseListener implements LamaListener {
 	 * <p>The default implementation does nothing.</p>
 	 */
 	@Override public void exitFunction_body(LamaParser.Function_bodyContext ctx) { }
-	/**
-	 * {@inheritDoc}
-	 *
-	 * <p>The default implementation does nothing.</p>
-	 */
-	@Override public void enterInfix_definition(LamaParser.Infix_definitionContext ctx) { }
-	/**
-	 * {@inheritDoc}
-	 *
-	 * <p>The default implementation does nothing.</p>
-	 */
-	@Override public void exitInfix_definition(LamaParser.Infix_definitionContext ctx) { }
-	/**
-	 * {@inheritDoc}
-	 *
-	 * <p>The default implementation does nothing.</p>
-	 */
-	@Override public void enterInfix_head(LamaParser.Infix_headContext ctx) { }
-	/**
-	 * {@inheritDoc}
-	 *
-	 * <p>The default implementation does nothing.</p>
-	 */
-	@Override public void exitInfix_head(LamaParser.Infix_headContext ctx) { }
-	/**
-	 * {@inheritDoc}
-	 *
-	 * <p>The default implementation does nothing.</p>
-	 */
-	@Override public void enterInfixity(LamaParser.InfixityContext ctx) { }
-	/**
-	 * {@inheritDoc}
-	 *
-	 * <p>The default implementation does nothing.</p>
-	 */
-	@Override public void exitInfixity(LamaParser.InfixityContext ctx) { }
-	/**
-	 * {@inheritDoc}
-	 *
-	 * <p>The default implementation does nothing.</p>
-	 */
-	@Override public void enterLevel(LamaParser.LevelContext ctx) { }
-	/**
-	 * {@inheritDoc}
-	 *
-	 * <p>The default implementation does nothing.</p>
-	 */
-	@Override public void exitLevel(LamaParser.LevelContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
@@ -468,6 +408,18 @@ public class LamaBaseListener implements LamaListener {
 	 * <p>The default implementation does nothing.</p>
 	 */
 	@Override public void exitCase_branch(LamaParser.Case_branchContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterAny_infix(LamaParser.Any_infixContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitAny_infix(LamaParser.Any_infixContext ctx) { }
 
 	/**
 	 * {@inheritDoc}
diff --git a/src/main/java/org/programsnail/truffle_lama/parser/LamaBaseVisitor.java b/src/main/java/org/programsnail/truffle_lama/parser/LamaBaseVisitor.java
index 41d14c8..a069335 100644
--- a/src/main/java/org/programsnail/truffle_lama/parser/LamaBaseVisitor.java
+++ b/src/main/java/org/programsnail/truffle_lama/parser/LamaBaseVisitor.java
@@ -19,13 +19,6 @@ public class LamaBaseVisitor<T> extends AbstractParseTreeVisitor<T> implements L
 	 * {@link #visitChildren} on {@code ctx}.</p>
 	 */
 	@Override public T visitLama(LamaParser.LamaContext ctx) { return visitChildren(ctx); }
-	/**
-	 * {@inheritDoc}
-	 *
-	 * <p>The default implementation returns the result of calling
-	 * {@link #visitChildren} on {@code ctx}.</p>
-	 */
-	@Override public T visitImport_expression(LamaParser.Import_expressionContext ctx) { return visitChildren(ctx); }
 	/**
 	 * {@inheritDoc}
 	 *
@@ -82,34 +75,6 @@ public class LamaBaseVisitor<T> extends AbstractParseTreeVisitor<T> implements L
 	 * {@link #visitChildren} on {@code ctx}.</p>
 	 */
 	@Override public T visitFunction_body(LamaParser.Function_bodyContext ctx) { return visitChildren(ctx); }
-	/**
-	 * {@inheritDoc}
-	 *
-	 * <p>The default implementation returns the result of calling
-	 * {@link #visitChildren} on {@code ctx}.</p>
-	 */
-	@Override public T visitInfix_definition(LamaParser.Infix_definitionContext ctx) { return visitChildren(ctx); }
-	/**
-	 * {@inheritDoc}
-	 *
-	 * <p>The default implementation returns the result of calling
-	 * {@link #visitChildren} on {@code ctx}.</p>
-	 */
-	@Override public T visitInfix_head(LamaParser.Infix_headContext ctx) { return visitChildren(ctx); }
-	/**
-	 * {@inheritDoc}
-	 *
-	 * <p>The default implementation returns the result of calling
-	 * {@link #visitChildren} on {@code ctx}.</p>
-	 */
-	@Override public T visitInfixity(LamaParser.InfixityContext ctx) { return visitChildren(ctx); }
-	/**
-	 * {@inheritDoc}
-	 *
-	 * <p>The default implementation returns the result of calling
-	 * {@link #visitChildren} on {@code ctx}.</p>
-	 */
-	@Override public T visitLevel(LamaParser.LevelContext ctx) { return visitChildren(ctx); }
 	/**
 	 * {@inheritDoc}
 	 *
@@ -278,4 +243,11 @@ public class LamaBaseVisitor<T> extends AbstractParseTreeVisitor<T> implements L
 	 * {@link #visitChildren} on {@code ctx}.</p>
 	 */
 	@Override public T visitCase_branch(LamaParser.Case_branchContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitAny_infix(LamaParser.Any_infixContext ctx) { return visitChildren(ctx); }
 }
\ No newline at end of file
diff --git a/src/main/java/org/programsnail/truffle_lama/parser/LamaLexer.interp b/src/main/java/org/programsnail/truffle_lama/parser/LamaLexer.interp
index 1171b41..96338cd 100644
--- a/src/main/java/org/programsnail/truffle_lama/parser/LamaLexer.interp
+++ b/src/main/java/org/programsnail/truffle_lama/parser/LamaLexer.interp
@@ -1,27 +1,20 @@
 token literal names:
 null
-'import'
-';'
 'var'
 'public'
 ','
+';'
 '='
 'fun'
 '('
 ')'
 '{'
 '}'
-'infix'
-'infixl'
-'infixr'
-'at'
-'before'
-'after'
-'-'
 '['
 ']'
 'true'
 'false'
+'infix'
 'skip'
 'if'
 'then'
@@ -32,7 +25,6 @@ null
 'do'
 'od'
 'for'
-'|'
 ':'
 '@'
 '#'
@@ -45,10 +37,12 @@ null
 'case'
 'of'
 'esac'
+'|'
 '->'
 null
 null
 null
+'-'
 null
 null
 null
@@ -98,23 +92,17 @@ null
 null
 null
 null
-null
-null
-null
-null
-null
-null
-null
 WS
 COMMENT
 LINE_COMMENT
-WORD
+MINUS
 INFIX
 UIDENT
 LIDENT
 CHAR_LITERAL
 STRING_LITERAL
 DECIMAL_LITERAL
+WORD
 
 rule names:
 T__0
@@ -156,26 +144,20 @@ T__35
 T__36
 T__37
 T__38
-T__39
-T__40
-T__41
-T__42
-T__43
-T__44
-T__45
 WS
 COMMENT
 LINE_COMMENT
 NON_ZERO_DIGIT
 DIGIT
 STRING_CHAR
-WORD
+MINUS
 INFIX
 UIDENT
 LIDENT
 CHAR_LITERAL
 STRING_LITERAL
 DECIMAL_LITERAL
+WORD
 
 channel names:
 DEFAULT_TOKEN_CHANNEL
@@ -185,4 +167,4 @@ mode names:
 DEFAULT_MODE
 
 atn:
-[4, 0, 56, 387, 6, -1, 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, 2, 34, 7, 34, 2, 35, 7, 35, 2, 36, 7, 36, 2, 37, 7, 37, 2, 38, 7, 38, 2, 39, 7, 39, 2, 40, 7, 40, 2, 41, 7, 41, 2, 42, 7, 42, 2, 43, 7, 43, 2, 44, 7, 44, 2, 45, 7, 45, 2, 46, 7, 46, 2, 47, 7, 47, 2, 48, 7, 48, 2, 49, 7, 49, 2, 50, 7, 50, 2, 51, 7, 51, 2, 52, 7, 52, 2, 53, 7, 53, 2, 54, 7, 54, 2, 55, 7, 55, 2, 56, 7, 56, 2, 57, 7, 57, 2, 58, 7, 58, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 4, 1, 4, 1, 5, 1, 5, 1, 6, 1, 6, 1, 6, 1, 6, 1, 7, 1, 7, 1, 8, 1, 8, 1, 9, 1, 9, 1, 10, 1, 10, 1, 11, 1, 11, 1, 11, 1, 11, 1, 11, 1, 11, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 13, 1, 13, 1, 13, 1, 13, 1, 13, 1, 13, 1, 13, 1, 14, 1, 14, 1, 14, 1, 15, 1, 15, 1, 15, 1, 15, 1, 15, 1, 15, 1, 15, 1, 16, 1, 16, 1, 16, 1, 16, 1, 16, 1, 16, 1, 17, 1, 17, 1, 18, 1, 18, 1, 19, 1, 19, 1, 20, 1, 20, 1, 20, 1, 20, 1, 20, 1, 21, 1, 21, 1, 21, 1, 21, 1, 21, 1, 21, 1, 22, 1, 22, 1, 22, 1, 22, 1, 22, 1, 23, 1, 23, 1, 23, 1, 24, 1, 24, 1, 24, 1, 24, 1, 24, 1, 25, 1, 25, 1, 25, 1, 26, 1, 26, 1, 26, 1, 26, 1, 26, 1, 27, 1, 27, 1, 27, 1, 27, 1, 27, 1, 28, 1, 28, 1, 28, 1, 28, 1, 28, 1, 28, 1, 29, 1, 29, 1, 29, 1, 30, 1, 30, 1, 30, 1, 31, 1, 31, 1, 31, 1, 31, 1, 32, 1, 32, 1, 33, 1, 33, 1, 34, 1, 34, 1, 35, 1, 35, 1, 36, 1, 36, 1, 36, 1, 36, 1, 37, 1, 37, 1, 37, 1, 37, 1, 38, 1, 38, 1, 38, 1, 38, 1, 39, 1, 39, 1, 39, 1, 39, 1, 39, 1, 39, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 41, 1, 41, 1, 42, 1, 42, 1, 42, 1, 42, 1, 42, 1, 43, 1, 43, 1, 43, 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1, 44, 1, 45, 1, 45, 1, 46, 4, 46, 290, 8, 46, 11, 46, 12, 46, 291, 1, 47, 1, 47, 5, 47, 296, 8, 47, 10, 47, 12, 47, 299, 9, 47, 1, 48, 1, 48, 5, 48, 303, 8, 48, 10, 48, 12, 48, 306, 9, 48, 1, 49, 1, 49, 1, 49, 1, 49, 1, 50, 1, 50, 5, 50, 314, 8, 50, 10, 50, 12, 50, 317, 9, 50, 1, 50, 1, 50, 1, 51, 1, 51, 1, 51, 5, 51, 324, 8, 51, 10, 51, 12, 51, 327, 9, 51, 3, 51, 329, 8, 51, 1, 52, 4, 52, 332, 8, 52, 11, 52, 12, 52, 333, 1, 261, 0, 53, 1, 1, 3, 2, 5, 3, 7, 4, 9, 5, 11, 6, 13, 7, 15, 8, 17, 9, 19, 10, 21, 11, 23, 12, 25, 13, 27, 14, 29, 15, 31, 16, 33, 17, 35, 18, 37, 19, 39, 20, 41, 21, 43, 22, 45, 23, 47, 24, 49, 25, 51, 26, 53, 27, 55, 28, 57, 29, 59, 30, 61, 31, 63, 32, 65, 33, 67, 34, 69, 35, 71, 36, 73, 37, 75, 38, 77, 39, 79, 40, 81, 41, 83, 42, 85, 0, 87, 0, 89, 0, 91, 43, 93, 44, 95, 45, 97, 46, 99, 47, 101, 48, 103, 49, 105, 50, 1, 0, 9, 3, 0, 9, 10, 12, 13, 32, 32, 2, 0, 10, 10, 13, 13, 1, 0, 49, 57, 1, 0, 48, 57, 3, 0, 10, 10, 13, 13, 34, 34, 8, 0, 33, 33, 35, 38, 42, 43, 45, 47, 58, 58, 60, 64, 94, 94, 124, 124, 1, 0, 65, 90, 4, 0, 48, 57, 65, 90, 95, 95, 97, 122, 1, 0, 97, 122, 341, 0, 1, 1, 0, 0, 0, 0, 3, 1, 0, 0, 0, 0, 5, 1, 0, 0, 0, 0, 7, 1, 0, 0, 0, 0, 9, 1, 0, 0, 0, 0, 11, 1, 0, 0, 0, 0, 13, 1, 0, 0, 0, 0, 15, 1, 0, 0, 0, 0, 17, 1, 0, 0, 0, 0, 19, 1, 0, 0, 0, 0, 21, 1, 0, 0, 0, 0, 23, 1, 0, 0, 0, 0, 25, 1, 0, 0, 0, 0, 27, 1, 0, 0, 0, 0, 29, 1, 0, 0, 0, 0, 31, 1, 0, 0, 0, 0, 33, 1, 0, 0, 0, 0, 35, 1, 0, 0, 0, 0, 37, 1, 0, 0, 0, 0, 39, 1, 0, 0, 0, 0, 41, 1, 0, 0, 0, 0, 43, 1, 0, 0, 0, 0, 45, 1, 0, 0, 0, 0, 47, 1, 0, 0, 0, 0, 49, 1, 0, 0, 0, 0, 51, 1, 0, 0, 0, 0, 53, 1, 0, 0, 0, 0, 55, 1, 0, 0, 0, 0, 57, 1, 0, 0, 0, 0, 59, 1, 0, 0, 0, 0, 61, 1, 0, 0, 0, 0, 63, 1, 0, 0, 0, 0, 65, 1, 0, 0, 0, 0, 67, 1, 0, 0, 0, 0, 69, 1, 0, 0, 0, 0, 71, 1, 0, 0, 0, 0, 73, 1, 0, 0, 0, 0, 75, 1, 0, 0, 0, 0, 77, 1, 0, 0, 0, 0, 79, 1, 0, 0, 0, 0, 81, 1, 0, 0, 0, 0, 83, 1, 0, 0, 0, 0, 91, 1, 0, 0, 0, 0, 93, 1, 0, 0, 0, 0, 95, 1, 0, 0, 0, 0, 97, 1, 0, 0, 0, 0, 99, 1, 0, 0, 0, 0, 101, 1, 0, 0, 0, 0, 103, 1, 0, 0, 0, 0, 105, 1, 0, 0, 0, 1, 107, 1, 0, 0, 0, 3, 111, 1, 0, 0, 0, 5, 118, 1, 0, 0, 0, 7, 120, 1, 0, 0, 0, 9, 122, 1, 0, 0, 0, 11, 124, 1, 0, 0, 0, 13, 128, 1, 0, 0, 0, 15, 130, 1, 0, 0, 0, 17, 132, 1, 0, 0, 0, 19, 134, 1, 0, 0, 0, 21, 136, 1, 0, 0, 0, 23, 138, 1, 0, 0, 0, 25, 140, 1, 0, 0, 0, 27, 145, 1, 0, 0, 0, 29, 151, 1, 0, 0, 0, 31, 157, 1, 0, 0, 0, 33, 162, 1, 0, 0, 0, 35, 165, 1, 0, 0, 0, 37, 170, 1, 0, 0, 0, 39, 173, 1, 0, 0, 0, 41, 178, 1, 0, 0, 0, 43, 183, 1, 0, 0, 0, 45, 189, 1, 0, 0, 0, 47, 192, 1, 0, 0, 0, 49, 195, 1, 0, 0, 0, 51, 199, 1, 0, 0, 0, 53, 201, 1, 0, 0, 0, 55, 203, 1, 0, 0, 0, 57, 205, 1, 0, 0, 0, 59, 209, 1, 0, 0, 0, 61, 213, 1, 0, 0, 0, 63, 217, 1, 0, 0, 0, 65, 223, 1, 0, 0, 0, 67, 228, 1, 0, 0, 0, 69, 230, 1, 0, 0, 0, 71, 235, 1, 0, 0, 0, 73, 238, 1, 0, 0, 0, 75, 243, 1, 0, 0, 0, 77, 245, 1, 0, 0, 0, 79, 249, 1, 0, 0, 0, 81, 255, 1, 0, 0, 0, 83, 269, 1, 0, 0, 0, 85, 280, 1, 0, 0, 0, 87, 282, 1, 0, 0, 0, 89, 284, 1, 0, 0, 0, 91, 286, 1, 0, 0, 0, 93, 289, 1, 0, 0, 0, 95, 293, 1, 0, 0, 0, 97, 300, 1, 0, 0, 0, 99, 307, 1, 0, 0, 0, 101, 311, 1, 0, 0, 0, 103, 328, 1, 0, 0, 0, 105, 331, 1, 0, 0, 0, 107, 108, 5, 118, 0, 0, 108, 109, 5, 97, 0, 0, 109, 110, 5, 114, 0, 0, 110, 2, 1, 0, 0, 0, 111, 112, 5, 112, 0, 0, 112, 113, 5, 117, 0, 0, 113, 114, 5, 98, 0, 0, 114, 115, 5, 108, 0, 0, 115, 116, 5, 105, 0, 0, 116, 117, 5, 99, 0, 0, 117, 4, 1, 0, 0, 0, 118, 119, 5, 44, 0, 0, 119, 6, 1, 0, 0, 0, 120, 121, 5, 59, 0, 0, 121, 8, 1, 0, 0, 0, 122, 123, 5, 61, 0, 0, 123, 10, 1, 0, 0, 0, 124, 125, 5, 102, 0, 0, 125, 126, 5, 117, 0, 0, 126, 127, 5, 110, 0, 0, 127, 12, 1, 0, 0, 0, 128, 129, 5, 40, 0, 0, 129, 14, 1, 0, 0, 0, 130, 131, 5, 41, 0, 0, 131, 16, 1, 0, 0, 0, 132, 133, 5, 123, 0, 0, 133, 18, 1, 0, 0, 0, 134, 135, 5, 125, 0, 0, 135, 20, 1, 0, 0, 0, 136, 137, 5, 91, 0, 0, 137, 22, 1, 0, 0, 0, 138, 139, 5, 93, 0, 0, 139, 24, 1, 0, 0, 0, 140, 141, 5, 116, 0, 0, 141, 142, 5, 114, 0, 0, 142, 143, 5, 117, 0, 0, 143, 144, 5, 101, 0, 0, 144, 26, 1, 0, 0, 0, 145, 146, 5, 102, 0, 0, 146, 147, 5, 97, 0, 0, 147, 148, 5, 108, 0, 0, 148, 149, 5, 115, 0, 0, 149, 150, 5, 101, 0, 0, 150, 28, 1, 0, 0, 0, 151, 152, 5, 105, 0, 0, 152, 153, 5, 110, 0, 0, 153, 154, 5, 102, 0, 0, 154, 155, 5, 105, 0, 0, 155, 156, 5, 120, 0, 0, 156, 30, 1, 0, 0, 0, 157, 158, 5, 115, 0, 0, 158, 159, 5, 107, 0, 0, 159, 160, 5, 105, 0, 0, 160, 161, 5, 112, 0, 0, 161, 32, 1, 0, 0, 0, 162, 163, 5, 105, 0, 0, 163, 164, 5, 102, 0, 0, 164, 34, 1, 0, 0, 0, 165, 166, 5, 116, 0, 0, 166, 167, 5, 104, 0, 0, 167, 168, 5, 101, 0, 0, 168, 169, 5, 110, 0, 0, 169, 36, 1, 0, 0, 0, 170, 171, 5, 102, 0, 0, 171, 172, 5, 105, 0, 0, 172, 38, 1, 0, 0, 0, 173, 174, 5, 101, 0, 0, 174, 175, 5, 108, 0, 0, 175, 176, 5, 105, 0, 0, 176, 177, 5, 102, 0, 0, 177, 40, 1, 0, 0, 0, 178, 179, 5, 101, 0, 0, 179, 180, 5, 108, 0, 0, 180, 181, 5, 115, 0, 0, 181, 182, 5, 101, 0, 0, 182, 42, 1, 0, 0, 0, 183, 184, 5, 119, 0, 0, 184, 185, 5, 104, 0, 0, 185, 186, 5, 105, 0, 0, 186, 187, 5, 108, 0, 0, 187, 188, 5, 101, 0, 0, 188, 44, 1, 0, 0, 0, 189, 190, 5, 100, 0, 0, 190, 191, 5, 111, 0, 0, 191, 46, 1, 0, 0, 0, 192, 193, 5, 111, 0, 0, 193, 194, 5, 100, 0, 0, 194, 48, 1, 0, 0, 0, 195, 196, 5, 102, 0, 0, 196, 197, 5, 111, 0, 0, 197, 198, 5, 114, 0, 0, 198, 50, 1, 0, 0, 0, 199, 200, 5, 58, 0, 0, 200, 52, 1, 0, 0, 0, 201, 202, 5, 64, 0, 0, 202, 54, 1, 0, 0, 0, 203, 204, 5, 35, 0, 0, 204, 56, 1, 0, 0, 0, 205, 206, 5, 98, 0, 0, 206, 207, 5, 111, 0, 0, 207, 208, 5, 120, 0, 0, 208, 58, 1, 0, 0, 0, 209, 210, 5, 118, 0, 0, 210, 211, 5, 97, 0, 0, 211, 212, 5, 108, 0, 0, 212, 60, 1, 0, 0, 0, 213, 214, 5, 115, 0, 0, 214, 215, 5, 116, 0, 0, 215, 216, 5, 114, 0, 0, 216, 62, 1, 0, 0, 0, 217, 218, 5, 97, 0, 0, 218, 219, 5, 114, 0, 0, 219, 220, 5, 114, 0, 0, 220, 221, 5, 97, 0, 0, 221, 222, 5, 121, 0, 0, 222, 64, 1, 0, 0, 0, 223, 224, 5, 115, 0, 0, 224, 225, 5, 101, 0, 0, 225, 226, 5, 120, 0, 0, 226, 227, 5, 112, 0, 0, 227, 66, 1, 0, 0, 0, 228, 229, 5, 95, 0, 0, 229, 68, 1, 0, 0, 0, 230, 231, 5, 99, 0, 0, 231, 232, 5, 97, 0, 0, 232, 233, 5, 115, 0, 0, 233, 234, 5, 101, 0, 0, 234, 70, 1, 0, 0, 0, 235, 236, 5, 111, 0, 0, 236, 237, 5, 102, 0, 0, 237, 72, 1, 0, 0, 0, 238, 239, 5, 101, 0, 0, 239, 240, 5, 115, 0, 0, 240, 241, 5, 97, 0, 0, 241, 242, 5, 99, 0, 0, 242, 74, 1, 0, 0, 0, 243, 244, 5, 124, 0, 0, 244, 76, 1, 0, 0, 0, 245, 246, 5, 45, 0, 0, 246, 247, 5, 62, 0, 0, 247, 78, 1, 0, 0, 0, 248, 250, 7, 0, 0, 0, 249, 248, 1, 0, 0, 0, 250, 251, 1, 0, 0, 0, 251, 249, 1, 0, 0, 0, 251, 252, 1, 0, 0, 0, 252, 253, 1, 0, 0, 0, 253, 254, 6, 39, 0, 0, 254, 80, 1, 0, 0, 0, 255, 256, 5, 47, 0, 0, 256, 257, 5, 42, 0, 0, 257, 261, 1, 0, 0, 0, 258, 260, 9, 0, 0, 0, 259, 258, 1, 0, 0, 0, 260, 263, 1, 0, 0, 0, 261, 262, 1, 0, 0, 0, 261, 259, 1, 0, 0, 0, 262, 264, 1, 0, 0, 0, 263, 261, 1, 0, 0, 0, 264, 265, 5, 42, 0, 0, 265, 266, 5, 47, 0, 0, 266, 267, 1, 0, 0, 0, 267, 268, 6, 40, 0, 0, 268, 82, 1, 0, 0, 0, 269, 270, 5, 47, 0, 0, 270, 271, 5, 47, 0, 0, 271, 275, 1, 0, 0, 0, 272, 274, 8, 1, 0, 0, 273, 272, 1, 0, 0, 0, 274, 277, 1, 0, 0, 0, 275, 273, 1, 0, 0, 0, 275, 276, 1, 0, 0, 0, 276, 278, 1, 0, 0, 0, 277, 275, 1, 0, 0, 0, 278, 279, 6, 41, 0, 0, 279, 84, 1, 0, 0, 0, 280, 281, 7, 2, 0, 0, 281, 86, 1, 0, 0, 0, 282, 283, 7, 3, 0, 0, 283, 88, 1, 0, 0, 0, 284, 285, 8, 4, 0, 0, 285, 90, 1, 0, 0, 0, 286, 287, 5, 45, 0, 0, 287, 92, 1, 0, 0, 0, 288, 290, 7, 5, 0, 0, 289, 288, 1, 0, 0, 0, 290, 291, 1, 0, 0, 0, 291, 289, 1, 0, 0, 0, 291, 292, 1, 0, 0, 0, 292, 94, 1, 0, 0, 0, 293, 297, 7, 6, 0, 0, 294, 296, 7, 7, 0, 0, 295, 294, 1, 0, 0, 0, 296, 299, 1, 0, 0, 0, 297, 295, 1, 0, 0, 0, 297, 298, 1, 0, 0, 0, 298, 96, 1, 0, 0, 0, 299, 297, 1, 0, 0, 0, 300, 304, 7, 8, 0, 0, 301, 303, 7, 7, 0, 0, 302, 301, 1, 0, 0, 0, 303, 306, 1, 0, 0, 0, 304, 302, 1, 0, 0, 0, 304, 305, 1, 0, 0, 0, 305, 98, 1, 0, 0, 0, 306, 304, 1, 0, 0, 0, 307, 308, 5, 39, 0, 0, 308, 309, 3, 89, 44, 0, 309, 310, 5, 39, 0, 0, 310, 100, 1, 0, 0, 0, 311, 315, 5, 34, 0, 0, 312, 314, 3, 89, 44, 0, 313, 312, 1, 0, 0, 0, 314, 317, 1, 0, 0, 0, 315, 313, 1, 0, 0, 0, 315, 316, 1, 0, 0, 0, 316, 318, 1, 0, 0, 0, 317, 315, 1, 0, 0, 0, 318, 319, 5, 34, 0, 0, 319, 102, 1, 0, 0, 0, 320, 329, 5, 48, 0, 0, 321, 325, 3, 85, 42, 0, 322, 324, 3, 87, 43, 0, 323, 322, 1, 0, 0, 0, 324, 327, 1, 0, 0, 0, 325, 323, 1, 0, 0, 0, 325, 326, 1, 0, 0, 0, 326, 329, 1, 0, 0, 0, 327, 325, 1, 0, 0, 0, 328, 320, 1, 0, 0, 0, 328, 321, 1, 0, 0, 0, 329, 104, 1, 0, 0, 0, 330, 332, 7, 7, 0, 0, 331, 330, 1, 0, 0, 0, 332, 333, 1, 0, 0, 0, 333, 331, 1, 0, 0, 0, 333, 334, 1, 0, 0, 0, 334, 106, 1, 0, 0, 0, 11, 0, 251, 261, 275, 291, 297, 304, 315, 325, 328, 333, 1, 6, 0, 0]
\ No newline at end of file
diff --git a/src/main/java/org/programsnail/truffle_lama/parser/LamaLexer.java b/src/main/java/org/programsnail/truffle_lama/parser/LamaLexer.java
index 80bd59a..b334cb3 100644
--- a/src/main/java/org/programsnail/truffle_lama/parser/LamaLexer.java
+++ b/src/main/java/org/programsnail/truffle_lama/parser/LamaLexer.java
@@ -25,9 +25,8 @@ public class LamaLexer extends Lexer {
 		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, T__39=40, T__40=41, T__41=42, T__42=43, T__43=44, T__44=45, 
-		T__45=46, WS=47, COMMENT=48, LINE_COMMENT=49, WORD=50, INFIX=51, UIDENT=52, 
-		LIDENT=53, CHAR_LITERAL=54, STRING_LITERAL=55, DECIMAL_LITERAL=56;
+		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 String[] channelNames = {
 		"DEFAULT_TOKEN_CHANNEL", "HIDDEN"
 	};
@@ -42,22 +41,21 @@ public class LamaLexer extends Lexer {
 			"T__9", "T__10", "T__11", "T__12", "T__13", "T__14", "T__15", "T__16", 
 			"T__17", "T__18", "T__19", "T__20", "T__21", "T__22", "T__23", "T__24", 
 			"T__25", "T__26", "T__27", "T__28", "T__29", "T__30", "T__31", "T__32", 
-			"T__33", "T__34", "T__35", "T__36", "T__37", "T__38", "T__39", "T__40", 
-			"T__41", "T__42", "T__43", "T__44", "T__45", "WS", "COMMENT", "LINE_COMMENT", 
-			"NON_ZERO_DIGIT", "DIGIT", "STRING_CHAR", "WORD", "INFIX", "UIDENT", 
-			"LIDENT", "CHAR_LITERAL", "STRING_LITERAL", "DECIMAL_LITERAL"
+			"T__33", "T__34", "T__35", "T__36", "T__37", "T__38", "WS", "COMMENT", 
+			"LINE_COMMENT", "NON_ZERO_DIGIT", "DIGIT", "STRING_CHAR", "MINUS", "INFIX", 
+			"UIDENT", "LIDENT", "CHAR_LITERAL", "STRING_LITERAL", "DECIMAL_LITERAL", 
+			"WORD"
 		};
 	}
 	public static final String[] ruleNames = makeRuleNames();
 
 	private static String[] makeLiteralNames() {
 		return new String[] {
-			null, "'import'", "';'", "'var'", "'public'", "','", "'='", "'fun'", 
-			"'('", "')'", "'{'", "'}'", "'infix'", "'infixl'", "'infixr'", "'at'", 
-			"'before'", "'after'", "'-'", "'['", "']'", "'true'", "'false'", "'skip'", 
+			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'", "'->'"
+			"'for'", "':'", "'@'", "'#'", "'box'", "'val'", "'str'", "'array'", "'sexp'", 
+			"'_'", "'case'", "'of'", "'esac'", "'|'", "'->'", null, null, null, "'-'"
 		};
 	}
 	private static final String[] _LITERAL_NAMES = makeLiteralNames();
@@ -66,9 +64,9 @@ public class LamaLexer extends Lexer {
 			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, null, null, null, null, null, null, null, "WS", 
-			"COMMENT", "LINE_COMMENT", "WORD", "INFIX", "UIDENT", "LIDENT", "CHAR_LITERAL", 
-			"STRING_LITERAL", "DECIMAL_LITERAL"
+			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();
@@ -130,7 +128,7 @@ public class LamaLexer extends Lexer {
 	public ATN getATN() { return _ATN; }
 
 	public static final String _serializedATN =
-		"\u0004\u00008\u0183\u0006\uffff\uffff\u0002\u0000\u0007\u0000\u0002\u0001"+
+		"\u0004\u00002\u014f\u0006\uffff\uffff\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"+
@@ -144,50 +142,44 @@ public class LamaLexer extends Lexer {
 		"!\u0002\"\u0007\"\u0002#\u0007#\u0002$\u0007$\u0002%\u0007%\u0002&\u0007"+
 		"&\u0002\'\u0007\'\u0002(\u0007(\u0002)\u0007)\u0002*\u0007*\u0002+\u0007"+
 		"+\u0002,\u0007,\u0002-\u0007-\u0002.\u0007.\u0002/\u0007/\u00020\u0007"+
-		"0\u00021\u00071\u00022\u00072\u00023\u00073\u00024\u00074\u00025\u0007"+
-		"5\u00026\u00076\u00027\u00077\u00028\u00078\u00029\u00079\u0002:\u0007"+
-		":\u0001\u0000\u0001\u0000\u0001\u0000\u0001\u0000\u0001\u0000\u0001\u0000"+
-		"\u0001\u0000\u0001\u0001\u0001\u0001\u0001\u0002\u0001\u0002\u0001\u0002"+
-		"\u0001\u0002\u0001\u0003\u0001\u0003\u0001\u0003\u0001\u0003\u0001\u0003"+
+		"0\u00021\u00071\u00022\u00072\u00023\u00073\u00024\u00074\u0001\u0000"+
+		"\u0001\u0000\u0001\u0000\u0001\u0000\u0001\u0001\u0001\u0001\u0001\u0001"+
+		"\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0002\u0001\u0002"+
 		"\u0001\u0003\u0001\u0003\u0001\u0004\u0001\u0004\u0001\u0005\u0001\u0005"+
-		"\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0007\u0001\u0007"+
+		"\u0001\u0005\u0001\u0005\u0001\u0006\u0001\u0006\u0001\u0007\u0001\u0007"+
 		"\u0001\b\u0001\b\u0001\t\u0001\t\u0001\n\u0001\n\u0001\u000b\u0001\u000b"+
-		"\u0001\u000b\u0001\u000b\u0001\u000b\u0001\u000b\u0001\f\u0001\f\u0001"+
-		"\f\u0001\f\u0001\f\u0001\f\u0001\f\u0001\r\u0001\r\u0001\r\u0001\r\u0001"+
-		"\r\u0001\r\u0001\r\u0001\u000e\u0001\u000e\u0001\u000e\u0001\u000f\u0001"+
-		"\u000f\u0001\u000f\u0001\u000f\u0001\u000f\u0001\u000f\u0001\u000f\u0001"+
-		"\u0010\u0001\u0010\u0001\u0010\u0001\u0010\u0001\u0010\u0001\u0010\u0001"+
-		"\u0011\u0001\u0011\u0001\u0012\u0001\u0012\u0001\u0013\u0001\u0013\u0001"+
-		"\u0014\u0001\u0014\u0001\u0014\u0001\u0014\u0001\u0014\u0001\u0015\u0001"+
-		"\u0015\u0001\u0015\u0001\u0015\u0001\u0015\u0001\u0015\u0001\u0016\u0001"+
-		"\u0016\u0001\u0016\u0001\u0016\u0001\u0016\u0001\u0017\u0001\u0017\u0001"+
-		"\u0017\u0001\u0018\u0001\u0018\u0001\u0018\u0001\u0018\u0001\u0018\u0001"+
-		"\u0019\u0001\u0019\u0001\u0019\u0001\u001a\u0001\u001a\u0001\u001a\u0001"+
-		"\u001a\u0001\u001a\u0001\u001b\u0001\u001b\u0001\u001b\u0001\u001b\u0001"+
-		"\u001b\u0001\u001c\u0001\u001c\u0001\u001c\u0001\u001c\u0001\u001c\u0001"+
-		"\u001c\u0001\u001d\u0001\u001d\u0001\u001d\u0001\u001e\u0001\u001e\u0001"+
-		"\u001e\u0001\u001f\u0001\u001f\u0001\u001f\u0001\u001f\u0001 \u0001 \u0001"+
-		"!\u0001!\u0001\"\u0001\"\u0001#\u0001#\u0001$\u0001$\u0001$\u0001$\u0001"+
-		"%\u0001%\u0001%\u0001%\u0001&\u0001&\u0001&\u0001&\u0001\'\u0001\'\u0001"+
-		"\'\u0001\'\u0001\'\u0001\'\u0001(\u0001(\u0001(\u0001(\u0001(\u0001)\u0001"+
-		")\u0001*\u0001*\u0001*\u0001*\u0001*\u0001+\u0001+\u0001+\u0001,\u0001"+
-		",\u0001,\u0001,\u0001,\u0001-\u0001-\u0001-\u0001.\u0004.\u012d\b.\u000b"+
-		".\f.\u012e\u0001.\u0001.\u0001/\u0001/\u0001/\u0001/\u0005/\u0137\b/\n"+
-		"/\f/\u013a\t/\u0001/\u0001/\u0001/\u0001/\u0001/\u00010\u00010\u00010"+
-		"\u00010\u00050\u0145\b0\n0\f0\u0148\t0\u00010\u00010\u00011\u00011\u0001"+
-		"2\u00012\u00013\u00013\u00014\u00044\u0153\b4\u000b4\f4\u0154\u00015\u0004"+
-		"5\u0158\b5\u000b5\f5\u0159\u00016\u00016\u00056\u015e\b6\n6\f6\u0161\t"+
-		"6\u00017\u00017\u00057\u0165\b7\n7\f7\u0168\t7\u00018\u00018\u00018\u0001"+
-		"8\u00019\u00019\u00059\u0170\b9\n9\f9\u0173\t9\u00019\u00019\u0001:\u0001"+
-		":\u0003:\u0179\b:\u0001:\u0001:\u0005:\u017d\b:\n:\f:\u0180\t:\u0003:"+
-		"\u0182\b:\u0001\u0138\u0000;\u0001\u0001\u0003\u0002\u0005\u0003\u0007"+
-		"\u0004\t\u0005\u000b\u0006\r\u0007\u000f\b\u0011\t\u0013\n\u0015\u000b"+
-		"\u0017\f\u0019\r\u001b\u000e\u001d\u000f\u001f\u0010!\u0011#\u0012%\u0013"+
-		"\'\u0014)\u0015+\u0016-\u0017/\u00181\u00193\u001a5\u001b7\u001c9\u001d"+
-		";\u001e=\u001f? A!C\"E#G$I%K&M\'O(Q)S*U+W,Y-[.]/_0a1c\u0000e\u0000g\u0000"+
-		"i2k3m4o5q6s7u8\u0001\u0000\t\u0003\u0000\t\n\f\r  \u0002\u0000\n\n\r\r"+
-		"\u0001\u000019\u0001\u000009\u0003\u0000\n\n\r\r\"\"\u0004\u000009AZ_"+
-		"_az\b\u0000!!#&*+-/::<@^^||\u0001\u0000AZ\u0001\u0000az\u018a\u0000\u0001"+
+		"\u0001\f\u0001\f\u0001\f\u0001\f\u0001\f\u0001\r\u0001\r\u0001\r\u0001"+
+		"\r\u0001\r\u0001\r\u0001\u000e\u0001\u000e\u0001\u000e\u0001\u000e\u0001"+
+		"\u000e\u0001\u000e\u0001\u000f\u0001\u000f\u0001\u000f\u0001\u000f\u0001"+
+		"\u000f\u0001\u0010\u0001\u0010\u0001\u0010\u0001\u0011\u0001\u0011\u0001"+
+		"\u0011\u0001\u0011\u0001\u0011\u0001\u0012\u0001\u0012\u0001\u0012\u0001"+
+		"\u0013\u0001\u0013\u0001\u0013\u0001\u0013\u0001\u0013\u0001\u0014\u0001"+
+		"\u0014\u0001\u0014\u0001\u0014\u0001\u0014\u0001\u0015\u0001\u0015\u0001"+
+		"\u0015\u0001\u0015\u0001\u0015\u0001\u0015\u0001\u0016\u0001\u0016\u0001"+
+		"\u0016\u0001\u0017\u0001\u0017\u0001\u0017\u0001\u0018\u0001\u0018\u0001"+
+		"\u0018\u0001\u0018\u0001\u0019\u0001\u0019\u0001\u001a\u0001\u001a\u0001"+
+		"\u001b\u0001\u001b\u0001\u001c\u0001\u001c\u0001\u001c\u0001\u001c\u0001"+
+		"\u001d\u0001\u001d\u0001\u001d\u0001\u001d\u0001\u001e\u0001\u001e\u0001"+
+		"\u001e\u0001\u001e\u0001\u001f\u0001\u001f\u0001\u001f\u0001\u001f\u0001"+
+		"\u001f\u0001\u001f\u0001 \u0001 \u0001 \u0001 \u0001 \u0001!\u0001!\u0001"+
+		"\"\u0001\"\u0001\"\u0001\"\u0001\"\u0001#\u0001#\u0001#\u0001$\u0001$"+
+		"\u0001$\u0001$\u0001$\u0001%\u0001%\u0001&\u0001&\u0001&\u0001\'\u0004"+
+		"\'\u00fa\b\'\u000b\'\f\'\u00fb\u0001\'\u0001\'\u0001(\u0001(\u0001(\u0001"+
+		"(\u0005(\u0104\b(\n(\f(\u0107\t(\u0001(\u0001(\u0001(\u0001(\u0001(\u0001"+
+		")\u0001)\u0001)\u0001)\u0005)\u0112\b)\n)\f)\u0115\t)\u0001)\u0001)\u0001"+
+		"*\u0001*\u0001+\u0001+\u0001,\u0001,\u0001-\u0001-\u0001.\u0004.\u0122"+
+		"\b.\u000b.\f.\u0123\u0001/\u0001/\u0005/\u0128\b/\n/\f/\u012b\t/\u0001"+
+		"0\u00010\u00050\u012f\b0\n0\f0\u0132\t0\u00011\u00011\u00011\u00011\u0001"+
+		"2\u00012\u00052\u013a\b2\n2\f2\u013d\t2\u00012\u00012\u00013\u00013\u0001"+
+		"3\u00053\u0144\b3\n3\f3\u0147\t3\u00033\u0149\b3\u00014\u00044\u014c\b"+
+		"4\u000b4\f4\u014d\u0001\u0105\u00005\u0001\u0001\u0003\u0002\u0005\u0003"+
+		"\u0007\u0004\t\u0005\u000b\u0006\r\u0007\u000f\b\u0011\t\u0013\n\u0015"+
+		"\u000b\u0017\f\u0019\r\u001b\u000e\u001d\u000f\u001f\u0010!\u0011#\u0012"+
+		"%\u0013\'\u0014)\u0015+\u0016-\u0017/\u00181\u00193\u001a5\u001b7\u001c"+
+		"9\u001d;\u001e=\u001f? A!C\"E#G$I%K&M\'O(Q)S*U\u0000W\u0000Y\u0000[+]"+
+		",_-a.c/e0g1i2\u0001\u0000\t\u0003\u0000\t\n\f\r  \u0002\u0000\n\n\r\r"+
+		"\u0001\u000019\u0001\u000009\u0003\u0000\n\n\r\r\"\"\b\u0000!!#&*+-/:"+
+		":<@^^||\u0001\u0000AZ\u0004\u000009AZ__az\u0001\u0000az\u0155\u0000\u0001"+
 		"\u0001\u0000\u0000\u0000\u0000\u0003\u0001\u0000\u0000\u0000\u0000\u0005"+
 		"\u0001\u0000\u0000\u0000\u0000\u0007\u0001\u0000\u0000\u0000\u0000\t\u0001"+
 		"\u0000\u0000\u0000\u0000\u000b\u0001\u0000\u0000\u0000\u0000\r\u0001\u0000"+
@@ -206,164 +198,140 @@ public class LamaLexer extends Lexer {
 		"C\u0001\u0000\u0000\u0000\u0000E\u0001\u0000\u0000\u0000\u0000G\u0001"+
 		"\u0000\u0000\u0000\u0000I\u0001\u0000\u0000\u0000\u0000K\u0001\u0000\u0000"+
 		"\u0000\u0000M\u0001\u0000\u0000\u0000\u0000O\u0001\u0000\u0000\u0000\u0000"+
-		"Q\u0001\u0000\u0000\u0000\u0000S\u0001\u0000\u0000\u0000\u0000U\u0001"+
-		"\u0000\u0000\u0000\u0000W\u0001\u0000\u0000\u0000\u0000Y\u0001\u0000\u0000"+
-		"\u0000\u0000[\u0001\u0000\u0000\u0000\u0000]\u0001\u0000\u0000\u0000\u0000"+
-		"_\u0001\u0000\u0000\u0000\u0000a\u0001\u0000\u0000\u0000\u0000i\u0001"+
-		"\u0000\u0000\u0000\u0000k\u0001\u0000\u0000\u0000\u0000m\u0001\u0000\u0000"+
-		"\u0000\u0000o\u0001\u0000\u0000\u0000\u0000q\u0001\u0000\u0000\u0000\u0000"+
-		"s\u0001\u0000\u0000\u0000\u0000u\u0001\u0000\u0000\u0000\u0001w\u0001"+
-		"\u0000\u0000\u0000\u0003~\u0001\u0000\u0000\u0000\u0005\u0080\u0001\u0000"+
-		"\u0000\u0000\u0007\u0084\u0001\u0000\u0000\u0000\t\u008b\u0001\u0000\u0000"+
-		"\u0000\u000b\u008d\u0001\u0000\u0000\u0000\r\u008f\u0001\u0000\u0000\u0000"+
-		"\u000f\u0093\u0001\u0000\u0000\u0000\u0011\u0095\u0001\u0000\u0000\u0000"+
-		"\u0013\u0097\u0001\u0000\u0000\u0000\u0015\u0099\u0001\u0000\u0000\u0000"+
-		"\u0017\u009b\u0001\u0000\u0000\u0000\u0019\u00a1\u0001\u0000\u0000\u0000"+
-		"\u001b\u00a8\u0001\u0000\u0000\u0000\u001d\u00af\u0001\u0000\u0000\u0000"+
-		"\u001f\u00b2\u0001\u0000\u0000\u0000!\u00b9\u0001\u0000\u0000\u0000#\u00bf"+
-		"\u0001\u0000\u0000\u0000%\u00c1\u0001\u0000\u0000\u0000\'\u00c3\u0001"+
-		"\u0000\u0000\u0000)\u00c5\u0001\u0000\u0000\u0000+\u00ca\u0001\u0000\u0000"+
-		"\u0000-\u00d0\u0001\u0000\u0000\u0000/\u00d5\u0001\u0000\u0000\u00001"+
-		"\u00d8\u0001\u0000\u0000\u00003\u00dd\u0001\u0000\u0000\u00005\u00e0\u0001"+
-		"\u0000\u0000\u00007\u00e5\u0001\u0000\u0000\u00009\u00ea\u0001\u0000\u0000"+
-		"\u0000;\u00f0\u0001\u0000\u0000\u0000=\u00f3\u0001\u0000\u0000\u0000?"+
-		"\u00f6\u0001\u0000\u0000\u0000A\u00fa\u0001\u0000\u0000\u0000C\u00fc\u0001"+
-		"\u0000\u0000\u0000E\u00fe\u0001\u0000\u0000\u0000G\u0100\u0001\u0000\u0000"+
-		"\u0000I\u0102\u0001\u0000\u0000\u0000K\u0106\u0001\u0000\u0000\u0000M"+
-		"\u010a\u0001\u0000\u0000\u0000O\u010e\u0001\u0000\u0000\u0000Q\u0114\u0001"+
-		"\u0000\u0000\u0000S\u0119\u0001\u0000\u0000\u0000U\u011b\u0001\u0000\u0000"+
-		"\u0000W\u0120\u0001\u0000\u0000\u0000Y\u0123\u0001\u0000\u0000\u0000["+
-		"\u0128\u0001\u0000\u0000\u0000]\u012c\u0001\u0000\u0000\u0000_\u0132\u0001"+
-		"\u0000\u0000\u0000a\u0140\u0001\u0000\u0000\u0000c\u014b\u0001\u0000\u0000"+
-		"\u0000e\u014d\u0001\u0000\u0000\u0000g\u014f\u0001\u0000\u0000\u0000i"+
-		"\u0152\u0001\u0000\u0000\u0000k\u0157\u0001\u0000\u0000\u0000m\u015b\u0001"+
-		"\u0000\u0000\u0000o\u0162\u0001\u0000\u0000\u0000q\u0169\u0001\u0000\u0000"+
-		"\u0000s\u016d\u0001\u0000\u0000\u0000u\u0181\u0001\u0000\u0000\u0000w"+
-		"x\u0005i\u0000\u0000xy\u0005m\u0000\u0000yz\u0005p\u0000\u0000z{\u0005"+
-		"o\u0000\u0000{|\u0005r\u0000\u0000|}\u0005t\u0000\u0000}\u0002\u0001\u0000"+
-		"\u0000\u0000~\u007f\u0005;\u0000\u0000\u007f\u0004\u0001\u0000\u0000\u0000"+
-		"\u0080\u0081\u0005v\u0000\u0000\u0081\u0082\u0005a\u0000\u0000\u0082\u0083"+
-		"\u0005r\u0000\u0000\u0083\u0006\u0001\u0000\u0000\u0000\u0084\u0085\u0005"+
-		"p\u0000\u0000\u0085\u0086\u0005u\u0000\u0000\u0086\u0087\u0005b\u0000"+
-		"\u0000\u0087\u0088\u0005l\u0000\u0000\u0088\u0089\u0005i\u0000\u0000\u0089"+
-		"\u008a\u0005c\u0000\u0000\u008a\b\u0001\u0000\u0000\u0000\u008b\u008c"+
-		"\u0005,\u0000\u0000\u008c\n\u0001\u0000\u0000\u0000\u008d\u008e\u0005"+
-		"=\u0000\u0000\u008e\f\u0001\u0000\u0000\u0000\u008f\u0090\u0005f\u0000"+
-		"\u0000\u0090\u0091\u0005u\u0000\u0000\u0091\u0092\u0005n\u0000\u0000\u0092"+
-		"\u000e\u0001\u0000\u0000\u0000\u0093\u0094\u0005(\u0000\u0000\u0094\u0010"+
-		"\u0001\u0000\u0000\u0000\u0095\u0096\u0005)\u0000\u0000\u0096\u0012\u0001"+
-		"\u0000\u0000\u0000\u0097\u0098\u0005{\u0000\u0000\u0098\u0014\u0001\u0000"+
-		"\u0000\u0000\u0099\u009a\u0005}\u0000\u0000\u009a\u0016\u0001\u0000\u0000"+
-		"\u0000\u009b\u009c\u0005i\u0000\u0000\u009c\u009d\u0005n\u0000\u0000\u009d"+
-		"\u009e\u0005f\u0000\u0000\u009e\u009f\u0005i\u0000\u0000\u009f\u00a0\u0005"+
-		"x\u0000\u0000\u00a0\u0018\u0001\u0000\u0000\u0000\u00a1\u00a2\u0005i\u0000"+
-		"\u0000\u00a2\u00a3\u0005n\u0000\u0000\u00a3\u00a4\u0005f\u0000\u0000\u00a4"+
-		"\u00a5\u0005i\u0000\u0000\u00a5\u00a6\u0005x\u0000\u0000\u00a6\u00a7\u0005"+
-		"l\u0000\u0000\u00a7\u001a\u0001\u0000\u0000\u0000\u00a8\u00a9\u0005i\u0000"+
-		"\u0000\u00a9\u00aa\u0005n\u0000\u0000\u00aa\u00ab\u0005f\u0000\u0000\u00ab"+
-		"\u00ac\u0005i\u0000\u0000\u00ac\u00ad\u0005x\u0000\u0000\u00ad\u00ae\u0005"+
-		"r\u0000\u0000\u00ae\u001c\u0001\u0000\u0000\u0000\u00af\u00b0\u0005a\u0000"+
-		"\u0000\u00b0\u00b1\u0005t\u0000\u0000\u00b1\u001e\u0001\u0000\u0000\u0000"+
-		"\u00b2\u00b3\u0005b\u0000\u0000\u00b3\u00b4\u0005e\u0000\u0000\u00b4\u00b5"+
-		"\u0005f\u0000\u0000\u00b5\u00b6\u0005o\u0000\u0000\u00b6\u00b7\u0005r"+
-		"\u0000\u0000\u00b7\u00b8\u0005e\u0000\u0000\u00b8 \u0001\u0000\u0000\u0000"+
-		"\u00b9\u00ba\u0005a\u0000\u0000\u00ba\u00bb\u0005f\u0000\u0000\u00bb\u00bc"+
-		"\u0005t\u0000\u0000\u00bc\u00bd\u0005e\u0000\u0000\u00bd\u00be\u0005r"+
-		"\u0000\u0000\u00be\"\u0001\u0000\u0000\u0000\u00bf\u00c0\u0005-\u0000"+
-		"\u0000\u00c0$\u0001\u0000\u0000\u0000\u00c1\u00c2\u0005[\u0000\u0000\u00c2"+
-		"&\u0001\u0000\u0000\u0000\u00c3\u00c4\u0005]\u0000\u0000\u00c4(\u0001"+
-		"\u0000\u0000\u0000\u00c5\u00c6\u0005t\u0000\u0000\u00c6\u00c7\u0005r\u0000"+
-		"\u0000\u00c7\u00c8\u0005u\u0000\u0000\u00c8\u00c9\u0005e\u0000\u0000\u00c9"+
-		"*\u0001\u0000\u0000\u0000\u00ca\u00cb\u0005f\u0000\u0000\u00cb\u00cc\u0005"+
-		"a\u0000\u0000\u00cc\u00cd\u0005l\u0000\u0000\u00cd\u00ce\u0005s\u0000"+
-		"\u0000\u00ce\u00cf\u0005e\u0000\u0000\u00cf,\u0001\u0000\u0000\u0000\u00d0"+
-		"\u00d1\u0005s\u0000\u0000\u00d1\u00d2\u0005k\u0000\u0000\u00d2\u00d3\u0005"+
-		"i\u0000\u0000\u00d3\u00d4\u0005p\u0000\u0000\u00d4.\u0001\u0000\u0000"+
-		"\u0000\u00d5\u00d6\u0005i\u0000\u0000\u00d6\u00d7\u0005f\u0000\u0000\u00d7"+
-		"0\u0001\u0000\u0000\u0000\u00d8\u00d9\u0005t\u0000\u0000\u00d9\u00da\u0005"+
-		"h\u0000\u0000\u00da\u00db\u0005e\u0000\u0000\u00db\u00dc\u0005n\u0000"+
-		"\u0000\u00dc2\u0001\u0000\u0000\u0000\u00dd\u00de\u0005f\u0000\u0000\u00de"+
-		"\u00df\u0005i\u0000\u0000\u00df4\u0001\u0000\u0000\u0000\u00e0\u00e1\u0005"+
-		"e\u0000\u0000\u00e1\u00e2\u0005l\u0000\u0000\u00e2\u00e3\u0005i\u0000"+
-		"\u0000\u00e3\u00e4\u0005f\u0000\u0000\u00e46\u0001\u0000\u0000\u0000\u00e5"+
-		"\u00e6\u0005e\u0000\u0000\u00e6\u00e7\u0005l\u0000\u0000\u00e7\u00e8\u0005"+
-		"s\u0000\u0000\u00e8\u00e9\u0005e\u0000\u0000\u00e98\u0001\u0000\u0000"+
-		"\u0000\u00ea\u00eb\u0005w\u0000\u0000\u00eb\u00ec\u0005h\u0000\u0000\u00ec"+
-		"\u00ed\u0005i\u0000\u0000\u00ed\u00ee\u0005l\u0000\u0000\u00ee\u00ef\u0005"+
-		"e\u0000\u0000\u00ef:\u0001\u0000\u0000\u0000\u00f0\u00f1\u0005d\u0000"+
-		"\u0000\u00f1\u00f2\u0005o\u0000\u0000\u00f2<\u0001\u0000\u0000\u0000\u00f3"+
-		"\u00f4\u0005o\u0000\u0000\u00f4\u00f5\u0005d\u0000\u0000\u00f5>\u0001"+
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-		"\u0000\u00f8\u00f9\u0005r\u0000\u0000\u00f9@\u0001\u0000\u0000\u0000\u00fa"+
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+		"\u0000\u0000\u0000\u0114\u0116\u0001\u0000\u0000\u0000\u0115\u0113\u0001"+
+		"\u0000\u0000\u0000\u0116\u0117\u0006)\u0000\u0000\u0117T\u0001\u0000\u0000"+
+		"\u0000\u0118\u0119\u0007\u0002\u0000\u0000\u0119V\u0001\u0000\u0000\u0000"+
+		"\u011a\u011b\u0007\u0003\u0000\u0000\u011bX\u0001\u0000\u0000\u0000\u011c"+
+		"\u011d\b\u0004\u0000\u0000\u011dZ\u0001\u0000\u0000\u0000\u011e\u011f"+
+		"\u0005-\u0000\u0000\u011f\\\u0001\u0000\u0000\u0000\u0120\u0122\u0007"+
+		"\u0005\u0000\u0000\u0121\u0120\u0001\u0000\u0000\u0000\u0122\u0123\u0001"+
+		"\u0000\u0000\u0000\u0123\u0121\u0001\u0000\u0000\u0000\u0123\u0124\u0001"+
+		"\u0000\u0000\u0000\u0124^\u0001\u0000\u0000\u0000\u0125\u0129\u0007\u0006"+
+		"\u0000\u0000\u0126\u0128\u0007\u0007\u0000\u0000\u0127\u0126\u0001\u0000"+
+		"\u0000\u0000\u0128\u012b\u0001\u0000\u0000\u0000\u0129\u0127\u0001\u0000"+
+		"\u0000\u0000\u0129\u012a\u0001\u0000\u0000\u0000\u012a`\u0001\u0000\u0000"+
+		"\u0000\u012b\u0129\u0001\u0000\u0000\u0000\u012c\u0130\u0007\b\u0000\u0000"+
+		"\u012d\u012f\u0007\u0007\u0000\u0000\u012e\u012d\u0001\u0000\u0000\u0000"+
+		"\u012f\u0132\u0001\u0000\u0000\u0000\u0130\u012e\u0001\u0000\u0000\u0000"+
+		"\u0130\u0131\u0001\u0000\u0000\u0000\u0131b\u0001\u0000\u0000\u0000\u0132"+
+		"\u0130\u0001\u0000\u0000\u0000\u0133\u0134\u0005\'\u0000\u0000\u0134\u0135"+
+		"\u0003Y,\u0000\u0135\u0136\u0005\'\u0000\u0000\u0136d\u0001\u0000\u0000"+
+		"\u0000\u0137\u013b\u0005\"\u0000\u0000\u0138\u013a\u0003Y,\u0000\u0139"+
+		"\u0138\u0001\u0000\u0000\u0000\u013a\u013d\u0001\u0000\u0000\u0000\u013b"+
+		"\u0139\u0001\u0000\u0000\u0000\u013b\u013c\u0001\u0000\u0000\u0000\u013c"+
+		"\u013e\u0001\u0000\u0000\u0000\u013d\u013b\u0001\u0000\u0000\u0000\u013e"+
+		"\u013f\u0005\"\u0000\u0000\u013ff\u0001\u0000\u0000\u0000\u0140\u0149"+
+		"\u00050\u0000\u0000\u0141\u0145\u0003U*\u0000\u0142\u0144\u0003W+\u0000"+
+		"\u0143\u0142\u0001\u0000\u0000\u0000\u0144\u0147\u0001\u0000\u0000\u0000"+
+		"\u0145\u0143\u0001\u0000\u0000\u0000\u0145\u0146\u0001\u0000\u0000\u0000"+
+		"\u0146\u0149\u0001\u0000\u0000\u0000\u0147\u0145\u0001\u0000\u0000\u0000"+
+		"\u0148\u0140\u0001\u0000\u0000\u0000\u0148\u0141\u0001\u0000\u0000\u0000"+
+		"\u0149h\u0001\u0000\u0000\u0000\u014a\u014c\u0007\u0007\u0000\u0000\u014b"+
+		"\u014a\u0001\u0000\u0000\u0000\u014c\u014d\u0001\u0000\u0000\u0000\u014d"+
+		"\u014b\u0001\u0000\u0000\u0000\u014d\u014e\u0001\u0000\u0000\u0000\u014e"+
+		"j\u0001\u0000\u0000\u0000\u000b\u0000\u00fb\u0105\u0113\u0123\u0129\u0130"+
+		"\u013b\u0145\u0148\u014d\u0001\u0006\u0000\u0000";
 	public static final ATN _ATN =
 		new ATNDeserializer().deserialize(_serializedATN.toCharArray());
 	static {
diff --git a/src/main/java/org/programsnail/truffle_lama/parser/LamaLexer.tokens b/src/main/java/org/programsnail/truffle_lama/parser/LamaLexer.tokens
index ae67504..479a7ae 100644
--- a/src/main/java/org/programsnail/truffle_lama/parser/LamaLexer.tokens
+++ b/src/main/java/org/programsnail/truffle_lama/parser/LamaLexer.tokens
@@ -37,66 +37,54 @@ T__35=36
 T__36=37
 T__37=38
 T__38=39
-T__39=40
-T__40=41
-T__41=42
-T__42=43
-T__43=44
-T__44=45
-T__45=46
-WS=47
-COMMENT=48
-LINE_COMMENT=49
+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
-INFIX=51
-UIDENT=52
-LIDENT=53
-CHAR_LITERAL=54
-STRING_LITERAL=55
-DECIMAL_LITERAL=56
-'import'=1
-';'=2
-'var'=3
-'public'=4
-','=5
-'='=6
-'fun'=7
-'('=8
-')'=9
-'{'=10
-'}'=11
-'infix'=12
-'infixl'=13
-'infixr'=14
-'at'=15
-'before'=16
-'after'=17
-'-'=18
-'['=19
-']'=20
-'true'=21
-'false'=22
-'skip'=23
-'if'=24
-'then'=25
-'fi'=26
-'elif'=27
-'else'=28
-'while'=29
-'do'=30
-'od'=31
-'for'=32
-'|'=33
-':'=34
-'@'=35
-'#'=36
-'box'=37
-'val'=38
-'str'=39
-'array'=40
-'sexp'=41
-'_'=42
-'case'=43
-'of'=44
-'esac'=45
-'->'=46
+'var'=1
+'public'=2
+','=3
+';'=4
+'='=5
+'fun'=6
+'('=7
+')'=8
+'{'=9
+'}'=10
+'['=11
+']'=12
+'true'=13
+'false'=14
+'infix'=15
+'skip'=16
+'if'=17
+'then'=18
+'fi'=19
+'elif'=20
+'else'=21
+'while'=22
+'do'=23
+'od'=24
+'for'=25
+':'=26
+'@'=27
+'#'=28
+'box'=29
+'val'=30
+'str'=31
+'array'=32
+'sexp'=33
+'_'=34
+'case'=35
+'of'=36
+'esac'=37
+'|'=38
+'->'=39
+'-'=43
diff --git a/src/main/java/org/programsnail/truffle_lama/parser/LamaListener.java b/src/main/java/org/programsnail/truffle_lama/parser/LamaListener.java
index e326e5e..c584a01 100644
--- a/src/main/java/org/programsnail/truffle_lama/parser/LamaListener.java
+++ b/src/main/java/org/programsnail/truffle_lama/parser/LamaListener.java
@@ -17,16 +17,6 @@ public interface LamaListener extends ParseTreeListener {
 	 * @param ctx the parse tree
 	 */
 	void exitLama(LamaParser.LamaContext ctx);
-	/**
-	 * Enter a parse tree produced by {@link LamaParser#import_expression}.
-	 * @param ctx the parse tree
-	 */
-	void enterImport_expression(LamaParser.Import_expressionContext ctx);
-	/**
-	 * Exit a parse tree produced by {@link LamaParser#import_expression}.
-	 * @param ctx the parse tree
-	 */
-	void exitImport_expression(LamaParser.Import_expressionContext ctx);
 	/**
 	 * Enter a parse tree produced by {@link LamaParser#scope_expression}.
 	 * @param ctx the parse tree
@@ -107,46 +97,6 @@ public interface LamaListener extends ParseTreeListener {
 	 * @param ctx the parse tree
 	 */
 	void exitFunction_body(LamaParser.Function_bodyContext ctx);
-	/**
-	 * Enter a parse tree produced by {@link LamaParser#infix_definition}.
-	 * @param ctx the parse tree
-	 */
-	void enterInfix_definition(LamaParser.Infix_definitionContext ctx);
-	/**
-	 * Exit a parse tree produced by {@link LamaParser#infix_definition}.
-	 * @param ctx the parse tree
-	 */
-	void exitInfix_definition(LamaParser.Infix_definitionContext ctx);
-	/**
-	 * Enter a parse tree produced by {@link LamaParser#infix_head}.
-	 * @param ctx the parse tree
-	 */
-	void enterInfix_head(LamaParser.Infix_headContext ctx);
-	/**
-	 * Exit a parse tree produced by {@link LamaParser#infix_head}.
-	 * @param ctx the parse tree
-	 */
-	void exitInfix_head(LamaParser.Infix_headContext ctx);
-	/**
-	 * Enter a parse tree produced by {@link LamaParser#infixity}.
-	 * @param ctx the parse tree
-	 */
-	void enterInfixity(LamaParser.InfixityContext ctx);
-	/**
-	 * Exit a parse tree produced by {@link LamaParser#infixity}.
-	 * @param ctx the parse tree
-	 */
-	void exitInfixity(LamaParser.InfixityContext ctx);
-	/**
-	 * Enter a parse tree produced by {@link LamaParser#level}.
-	 * @param ctx the parse tree
-	 */
-	void enterLevel(LamaParser.LevelContext ctx);
-	/**
-	 * Exit a parse tree produced by {@link LamaParser#level}.
-	 * @param ctx the parse tree
-	 */
-	void exitLevel(LamaParser.LevelContext ctx);
 	/**
 	 * Enter a parse tree produced by {@link LamaParser#expression}.
 	 * @param ctx the parse tree
@@ -387,4 +337,14 @@ public interface LamaListener extends ParseTreeListener {
 	 * @param ctx the parse tree
 	 */
 	void exitCase_branch(LamaParser.Case_branchContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link LamaParser#any_infix}.
+	 * @param ctx the parse tree
+	 */
+	void enterAny_infix(LamaParser.Any_infixContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link LamaParser#any_infix}.
+	 * @param ctx the parse tree
+	 */
+	void exitAny_infix(LamaParser.Any_infixContext ctx);
 }
\ 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 8a834a9..a5159cb 100644
--- a/src/main/java/org/programsnail/truffle_lama/parser/LamaNodeFactory.java
+++ b/src/main/java/org/programsnail/truffle_lama/parser/LamaNodeFactory.java
@@ -58,6 +58,28 @@ public class LamaNodeFactory {
 //        this.allFunctions = new HashMap<>();
     }
 
+    // ---
+
+    public void enterScope() {
+        // TODO
+    }
+
+    public void exitScope() {
+        // TODO
+    }
+
+    // ---
+
+    public LamaExpressionNode createStringNode(String value) {
+
+    }
+
+    public LamaExpressionNode createConstNode(long value) {
+
+    }
+
+    // ---
+
     public LamaExpressionNode getRootExpr() {
         // TODO
         return null;
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 a97dffc..31a2b88 100644
--- a/src/main/java/org/programsnail/truffle_lama/parser/LamaParser.java
+++ b/src/main/java/org/programsnail/truffle_lama/parser/LamaParser.java
@@ -3,6 +3,7 @@ package org.programsnail.truffle_lama.parser;
 
 // DO NOT MODIFY - generated from Lama.g4
 
+import java.util.Optional;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
@@ -35,45 +36,41 @@ public class LamaParser extends Parser {
 		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, T__39=40, T__40=41, T__41=42, T__42=43, T__43=44, T__44=45, 
-		T__45=46, WS=47, COMMENT=48, LINE_COMMENT=49, WORD=50, INFIX=51, UIDENT=52, 
-		LIDENT=53, CHAR_LITERAL=54, STRING_LITERAL=55, DECIMAL_LITERAL=56;
+		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_import_expression = 1, RULE_scope_expression = 2, 
-		RULE_definition = 3, RULE_variable_definition = 4, RULE_variable_definition_sequence = 5, 
-		RULE_variable_definition_item = 6, RULE_function_definition = 7, RULE_function_arguments = 8, 
-		RULE_function_body = 9, RULE_infix_definition = 10, RULE_infix_head = 11, 
-		RULE_infixity = 12, RULE_level = 13, RULE_expression = 14, RULE_basic_expression = 15, 
-		RULE_binary_expression = 16, RULE_postfix_expression = 17, RULE_postfix = 18, 
-		RULE_primary = 19, RULE_array_expression = 20, RULE_list_expression = 21, 
-		RULE_s_expression = 22, RULE_if_expression = 23, RULE_else_part = 24, 
-		RULE_while_do_expression = 25, RULE_do_while_expression = 26, RULE_for_expression = 27, 
-		RULE_pattern = 28, RULE_cons_pattern = 29, RULE_simple_pattern = 30, RULE_wildcard_pattern = 31, 
-		RULE_s_expr_pattern = 32, RULE_array_pattern = 33, RULE_list_pattern = 34, 
-		RULE_case_expression = 35, RULE_case_branches = 36, RULE_case_branch = 37;
+		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", "import_expression", "scope_expression", "definition", "variable_definition", 
-			"variable_definition_sequence", "variable_definition_item", "function_definition", 
-			"function_arguments", "function_body", "infix_definition", "infix_head", 
-			"infixity", "level", "expression", "basic_expression", "binary_expression", 
+			"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"
+			"case_expression", "case_branches", "case_branch", "any_infix"
 		};
 	}
 	public static final String[] ruleNames = makeRuleNames();
 
 	private static String[] makeLiteralNames() {
 		return new String[] {
-			null, "'import'", "';'", "'var'", "'public'", "','", "'='", "'fun'", 
-			"'('", "')'", "'{'", "'}'", "'infix'", "'infixl'", "'infixr'", "'at'", 
-			"'before'", "'after'", "'-'", "'['", "']'", "'true'", "'false'", "'skip'", 
+			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'", "'->'"
+			"'for'", "':'", "'@'", "'#'", "'box'", "'val'", "'str'", "'array'", "'sexp'", 
+			"'_'", "'case'", "'of'", "'esac'", "'|'", "'->'", null, null, null, "'-'"
 		};
 	}
 	private static final String[] _LITERAL_NAMES = makeLiteralNames();
@@ -82,9 +79,9 @@ public class LamaParser extends Parser {
 			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, null, null, null, null, null, null, null, "WS", 
-			"COMMENT", "LINE_COMMENT", "WORD", "INFIX", "UIDENT", "LIDENT", "CHAR_LITERAL", 
-			"STRING_LITERAL", "DECIMAL_LITERAL"
+			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();
@@ -181,16 +178,12 @@ public class LamaParser extends Parser {
 
 	@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 List<Import_expressionContext> import_expression() {
-			return getRuleContexts(Import_expressionContext.class);
-		}
-		public Import_expressionContext import_expression(int i) {
-			return getRuleContext(Import_expressionContext.class,i);
-		}
 		public LamaContext(ParserRuleContext parent, int invokingState) {
 			super(parent, invokingState);
 		}
@@ -213,27 +206,13 @@ public class LamaParser extends Parser {
 	public final LamaContext lama() throws RecognitionException {
 		LamaContext _localctx = new LamaContext(_ctx, getState());
 		enterRule(_localctx, 0, RULE_lama);
-		int _la;
 		try {
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(79);
-			_errHandler.sync(this);
-			_la = _input.LA(1);
-			while (_la==T__0) {
-				{
-				{
-				setState(76);
-				import_expression();
-				}
-				}
-				setState(81);
-				_errHandler.sync(this);
-				_la = _input.LA(1);
-			}
-			setState(82);
-			scope_expression();
-			setState(83);
+			setState(68);
+			((LamaContext)_localctx).scope_expression = scope_expression();
+			 ((LamaContext)_localctx).result =  ((LamaContext)_localctx).scope_expression.result; 
+			setState(70);
 			match(EOF);
 			}
 		}
@@ -248,55 +227,10 @@ public class LamaParser extends Parser {
 		return _localctx;
 	}
 
-	@SuppressWarnings("CheckReturnValue")
-	public static class Import_expressionContext extends ParserRuleContext {
-		public TerminalNode UIDENT() { return getToken(LamaParser.UIDENT, 0); }
-		public Import_expressionContext(ParserRuleContext parent, int invokingState) {
-			super(parent, invokingState);
-		}
-		@Override public int getRuleIndex() { return RULE_import_expression; }
-		@Override
-		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).enterImport_expression(this);
-		}
-		@Override
-		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).exitImport_expression(this);
-		}
-		@Override
-		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
-			if ( visitor instanceof LamaVisitor ) return ((LamaVisitor<? extends T>)visitor).visitImport_expression(this);
-			else return visitor.visitChildren(this);
-		}
-	}
-
-	public final Import_expressionContext import_expression() throws RecognitionException {
-		Import_expressionContext _localctx = new Import_expressionContext(_ctx, getState());
-		enterRule(_localctx, 2, RULE_import_expression);
-		try {
-			enterOuterAlt(_localctx, 1);
-			{
-			setState(85);
-			match(T__0);
-			setState(86);
-			match(UIDENT);
-			setState(87);
-			match(T__1);
-			}
-		}
-		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);
 		}
@@ -327,42 +261,43 @@ public class LamaParser extends Parser {
 
 	public final Scope_expressionContext scope_expression() throws RecognitionException {
 		Scope_expressionContext _localctx = new Scope_expressionContext(_ctx, getState());
-		enterRule(_localctx, 4, RULE_scope_expression);
+		enterRule(_localctx, 2, RULE_scope_expression);
 		try {
 			int _alt;
-			setState(98);
+			setState(90);
 			_errHandler.sync(this);
-			switch ( getInterpreter().adaptivePredict(_input,3,_ctx) ) {
+			switch ( getInterpreter().adaptivePredict(_input,2,_ctx) ) {
 			case 1:
 				enterOuterAlt(_localctx, 1);
 				{
-				setState(90); 
+				setState(72);
+				definition();
+				 ((Scope_expressionContext)_localctx).result =  ((Scope_expressionContext)_localctx).expression.result; 
+				setState(79);
 				_errHandler.sync(this);
-				_alt = 1;
-				do {
-					switch (_alt) {
-					case 1:
+				_alt = getInterpreter().adaptivePredict(_input,0,_ctx);
+				while ( _alt!=2 && _alt!= ATN.INVALID_ALT_NUMBER ) {
+					if ( _alt==1 ) {
 						{
 						{
-						setState(89);
+						setState(74);
 						definition();
+						 ((Scope_expressionContext)_localctx).result =  factory.createSeqNode(_localctx.result, ((Scope_expressionContext)_localctx).expression.result); 
 						}
-						}
-						break;
-					default:
-						throw new NoViableAltException(this);
+						} 
 					}
-					setState(92); 
+					setState(81);
 					_errHandler.sync(this);
-					_alt = getInterpreter().adaptivePredict(_input,1,_ctx);
-				} while ( _alt!=2 && _alt!= ATN.INVALID_ALT_NUMBER );
-				setState(95);
+					_alt = getInterpreter().adaptivePredict(_input,0,_ctx);
+				}
+				setState(85);
 				_errHandler.sync(this);
-				switch ( getInterpreter().adaptivePredict(_input,2,_ctx) ) {
+				switch ( getInterpreter().adaptivePredict(_input,1,_ctx) ) {
 				case 1:
 					{
-					setState(94);
-					expression();
+					setState(82);
+					((Scope_expressionContext)_localctx).expression = expression();
+					 ((Scope_expressionContext)_localctx).result =  factory.createSeqNode(_localctx.result, ((Scope_expressionContext)_localctx).expression.result); 
 					}
 					break;
 				}
@@ -371,8 +306,9 @@ public class LamaParser extends Parser {
 			case 2:
 				enterOuterAlt(_localctx, 2);
 				{
-				setState(97);
-				expression();
+				setState(87);
+				((Scope_expressionContext)_localctx).expression = expression();
+				 ((Scope_expressionContext)_localctx).result =  ((Scope_expressionContext)_localctx).expression.result; 
 				}
 				break;
 			}
@@ -390,15 +326,15 @@ public class LamaParser extends Parser {
 
 	@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 Infix_definitionContext infix_definition() {
-			return getRuleContext(Infix_definitionContext.class,0);
-		}
 		public DefinitionContext(ParserRuleContext parent, int invokingState) {
 			super(parent, invokingState);
 		}
@@ -420,30 +356,25 @@ public class LamaParser extends Parser {
 
 	public final DefinitionContext definition() throws RecognitionException {
 		DefinitionContext _localctx = new DefinitionContext(_ctx, getState());
-		enterRule(_localctx, 6, RULE_definition);
+		enterRule(_localctx, 4, RULE_definition);
 		try {
-			setState(103);
+			setState(98);
 			_errHandler.sync(this);
-			switch ( getInterpreter().adaptivePredict(_input,4,_ctx) ) {
+			switch ( getInterpreter().adaptivePredict(_input,3,_ctx) ) {
 			case 1:
 				enterOuterAlt(_localctx, 1);
 				{
-				setState(100);
-				variable_definition();
+				setState(92);
+				((DefinitionContext)_localctx).variable_definition = variable_definition();
+				 ((DefinitionContext)_localctx).result =  ((DefinitionContext)_localctx).variable_definition.result; 
 				}
 				break;
 			case 2:
 				enterOuterAlt(_localctx, 2);
 				{
-				setState(101);
-				function_definition();
-				}
-				break;
-			case 3:
-				enterOuterAlt(_localctx, 3);
-				{
-				setState(102);
-				infix_definition();
+				setState(95);
+				((DefinitionContext)_localctx).function_definition = function_definition();
+				 ((DefinitionContext)_localctx).result =  ((DefinitionContext)_localctx).function_definition.result; 
 				}
 				break;
 			}
@@ -461,6 +392,8 @@ public class LamaParser extends Parser {
 
 	@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);
 		}
@@ -485,23 +418,33 @@ public class LamaParser extends Parser {
 
 	public final Variable_definitionContext variable_definition() throws RecognitionException {
 		Variable_definitionContext _localctx = new Variable_definitionContext(_ctx, getState());
-		enterRule(_localctx, 8, RULE_variable_definition);
-		int _la;
+		enterRule(_localctx, 6, RULE_variable_definition);
 		try {
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(105);
-			_la = _input.LA(1);
-			if ( !(_la==T__2 || _la==T__3) ) {
-			_errHandler.recoverInline(this);
-			}
-			else {
-				if ( _input.LA(1)==Token.EOF ) matchedEOF = true;
-				_errHandler.reportMatch(this);
-				consume();
+			 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_definition_sequence();
+			((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) {
@@ -517,14 +460,19 @@ public class LamaParser extends Parser {
 
 	@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) {
+		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
@@ -542,33 +490,35 @@ public class LamaParser extends Parser {
 		}
 	}
 
-	public final Variable_definition_sequenceContext variable_definition_sequence() throws RecognitionException {
-		Variable_definition_sequenceContext _localctx = new Variable_definition_sequenceContext(_ctx, getState());
-		enterRule(_localctx, 10, RULE_variable_definition_sequence);
+	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(108);
-			variable_definition_item();
-			setState(113);
+			setState(109);
+			((Variable_definition_sequenceContext)_localctx).variable_definition_item = variable_definition_item();
+			 ((Variable_definition_sequenceContext)_localctx).result =  factory.addVarNode(((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__4) {
+			while (_la==T__2) {
 				{
 				{
-				setState(109);
-				match(T__4);
-				setState(110);
-				variable_definition_item();
+				setState(111);
+				match(T__2);
+				setState(112);
+				((Variable_definition_sequenceContext)_localctx).variable_definition_item = variable_definition_item();
+				 ((Variable_definition_sequenceContext)_localctx).result =  factory.addSeqNode(_localctx.result, factory.addVarNode(((Variable_definition_sequenceContext)_localctx).variable_definition_item.name, ((Variable_definition_sequenceContext)_localctx).variable_definition_item.expr)); 
 				}
 				}
-				setState(115);
+				setState(119);
 				_errHandler.sync(this);
 				_la = _input.LA(1);
 			}
-			setState(116);
-			match(T__1);
+			setState(120);
+			match(T__3);
 			}
 		}
 		catch (RecognitionException re) {
@@ -584,6 +534,10 @@ public class LamaParser extends Parser {
 
 	@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);
@@ -609,22 +563,25 @@ public class LamaParser extends Parser {
 
 	public final Variable_definition_itemContext variable_definition_item() throws RecognitionException {
 		Variable_definition_itemContext _localctx = new Variable_definition_itemContext(_ctx, getState());
-		enterRule(_localctx, 12, RULE_variable_definition_item);
+		enterRule(_localctx, 10, RULE_variable_definition_item);
 		int _la;
 		try {
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(118);
-			match(LIDENT);
-			setState(121);
+			 ((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__5) {
+			if (_la==T__4) {
 				{
-				setState(119);
-				match(T__5);
-				setState(120);
-				basic_expression();
+				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); 
 				}
 			}
 
@@ -643,6 +600,10 @@ public class LamaParser extends Parser {
 
 	@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);
@@ -671,41 +632,44 @@ public class LamaParser extends Parser {
 
 	public final Function_definitionContext function_definition() throws RecognitionException {
 		Function_definitionContext _localctx = new Function_definitionContext(_ctx, getState());
-		enterRule(_localctx, 14, RULE_function_definition);
+		enterRule(_localctx, 12, RULE_function_definition);
 		int _la;
 		try {
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(124);
+			 boolean is_public = false; 
+			setState(134);
 			_errHandler.sync(this);
 			_la = _input.LA(1);
-			if (_la==T__3) {
+			if (_la==T__1) {
 				{
-				setState(123);
-				match(T__3);
+				setState(132);
+				match(T__1);
+				 is_public = true; 
 				}
 			}
 
-			setState(126);
+			setState(136);
+			match(T__5);
+			setState(137);
+			((Function_definitionContext)_localctx).LIDENT = match(LIDENT);
+			setState(138);
 			match(T__6);
-			setState(127);
-			match(LIDENT);
-			setState(128);
-			match(T__7);
-			setState(130);
+			setState(140);
 			_errHandler.sync(this);
 			_la = _input.LA(1);
 			if (_la==LIDENT) {
 				{
-				setState(129);
-				function_arguments();
+				setState(139);
+				((Function_definitionContext)_localctx).function_arguments = function_arguments();
 				}
 			}
 
-			setState(132);
-			match(T__8);
-			setState(133);
-			function_body();
+			setState(142);
+			match(T__7);
+			setState(143);
+			((Function_definitionContext)_localctx).function_body = function_body();
+			 ((Function_definitionContext)_localctx).result =  factory.addFunctionDefinition(((Function_definitionContext)_localctx).LIDENT, ((Function_definitionContext)_localctx).function_arguments.args, ((Function_definitionContext)_localctx).function_body.result); 
 			}
 		}
 		catch (RecognitionException re) {
@@ -721,6 +685,8 @@ public class LamaParser extends Parser {
 
 	@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);
@@ -746,26 +712,29 @@ public class LamaParser extends Parser {
 
 	public final Function_argumentsContext function_arguments() throws RecognitionException {
 		Function_argumentsContext _localctx = new Function_argumentsContext(_ctx, getState());
-		enterRule(_localctx, 16, RULE_function_arguments);
+		enterRule(_localctx, 14, RULE_function_arguments);
 		int _la;
 		try {
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(135);
-			match(LIDENT);
-			setState(140);
+			 ((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__4) {
+			while (_la==T__2) {
 				{
 				{
-				setState(136);
-				match(T__4);
-				setState(137);
-				match(LIDENT);
+				setState(149);
+				match(T__2);
+				setState(150);
+				((Function_argumentsContext)_localctx).LIDENT = match(LIDENT);
+				 _localctx.args.addLast(((Function_argumentsContext)_localctx).LIDENT); 
 				}
 				}
-				setState(142);
+				setState(156);
 				_errHandler.sync(this);
 				_la = _input.LA(1);
 			}
@@ -784,6 +753,8 @@ public class LamaParser extends Parser {
 
 	@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);
 		}
@@ -808,244 +779,17 @@ public class LamaParser extends Parser {
 
 	public final Function_bodyContext function_body() throws RecognitionException {
 		Function_bodyContext _localctx = new Function_bodyContext(_ctx, getState());
-		enterRule(_localctx, 18, RULE_function_body);
+		enterRule(_localctx, 16, RULE_function_body);
 		try {
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(143);
-			match(T__9);
-			setState(144);
-			scope_expression();
-			setState(145);
-			match(T__10);
-			}
-		}
-		catch (RecognitionException re) {
-			_localctx.exception = re;
-			_errHandler.reportError(this, re);
-			_errHandler.recover(this, re);
-		}
-		finally {
-			exitRule();
-		}
-		return _localctx;
-	}
-
-	@SuppressWarnings("CheckReturnValue")
-	public static class Infix_definitionContext extends ParserRuleContext {
-		public Infix_headContext infix_head() {
-			return getRuleContext(Infix_headContext.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 Infix_definitionContext(ParserRuleContext parent, int invokingState) {
-			super(parent, invokingState);
-		}
-		@Override public int getRuleIndex() { return RULE_infix_definition; }
-		@Override
-		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).enterInfix_definition(this);
-		}
-		@Override
-		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).exitInfix_definition(this);
-		}
-		@Override
-		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
-			if ( visitor instanceof LamaVisitor ) return ((LamaVisitor<? extends T>)visitor).visitInfix_definition(this);
-			else return visitor.visitChildren(this);
-		}
-	}
-
-	public final Infix_definitionContext infix_definition() throws RecognitionException {
-		Infix_definitionContext _localctx = new Infix_definitionContext(_ctx, getState());
-		enterRule(_localctx, 20, RULE_infix_definition);
-		try {
-			enterOuterAlt(_localctx, 1);
-			{
-			setState(147);
-			infix_head();
-			setState(148);
-			match(T__7);
-			setState(149);
-			function_arguments();
-			setState(150);
-			match(T__8);
-			setState(151);
-			function_body();
-			}
-		}
-		catch (RecognitionException re) {
-			_localctx.exception = re;
-			_errHandler.reportError(this, re);
-			_errHandler.recover(this, re);
-		}
-		finally {
-			exitRule();
-		}
-		return _localctx;
-	}
-
-	@SuppressWarnings("CheckReturnValue")
-	public static class Infix_headContext extends ParserRuleContext {
-		public InfixityContext infixity() {
-			return getRuleContext(InfixityContext.class,0);
-		}
-		public TerminalNode INFIX() { return getToken(LamaParser.INFIX, 0); }
-		public LevelContext level() {
-			return getRuleContext(LevelContext.class,0);
-		}
-		public Infix_headContext(ParserRuleContext parent, int invokingState) {
-			super(parent, invokingState);
-		}
-		@Override public int getRuleIndex() { return RULE_infix_head; }
-		@Override
-		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).enterInfix_head(this);
-		}
-		@Override
-		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).exitInfix_head(this);
-		}
-		@Override
-		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
-			if ( visitor instanceof LamaVisitor ) return ((LamaVisitor<? extends T>)visitor).visitInfix_head(this);
-			else return visitor.visitChildren(this);
-		}
-	}
-
-	public final Infix_headContext infix_head() throws RecognitionException {
-		Infix_headContext _localctx = new Infix_headContext(_ctx, getState());
-		enterRule(_localctx, 22, RULE_infix_head);
-		int _la;
-		try {
-			enterOuterAlt(_localctx, 1);
-			{
-			setState(154);
-			_errHandler.sync(this);
-			_la = _input.LA(1);
-			if (_la==T__3) {
-				{
-				setState(153);
-				match(T__3);
-				}
-			}
-
-			setState(156);
-			infixity();
 			setState(157);
-			match(INFIX);
+			match(T__8);
 			setState(158);
-			level();
-			}
-		}
-		catch (RecognitionException re) {
-			_localctx.exception = re;
-			_errHandler.reportError(this, re);
-			_errHandler.recover(this, re);
-		}
-		finally {
-			exitRule();
-		}
-		return _localctx;
-	}
-
-	@SuppressWarnings("CheckReturnValue")
-	public static class InfixityContext extends ParserRuleContext {
-		public InfixityContext(ParserRuleContext parent, int invokingState) {
-			super(parent, invokingState);
-		}
-		@Override public int getRuleIndex() { return RULE_infixity; }
-		@Override
-		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).enterInfixity(this);
-		}
-		@Override
-		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).exitInfixity(this);
-		}
-		@Override
-		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
-			if ( visitor instanceof LamaVisitor ) return ((LamaVisitor<? extends T>)visitor).visitInfixity(this);
-			else return visitor.visitChildren(this);
-		}
-	}
-
-	public final InfixityContext infixity() throws RecognitionException {
-		InfixityContext _localctx = new InfixityContext(_ctx, getState());
-		enterRule(_localctx, 24, RULE_infixity);
-		int _la;
-		try {
-			enterOuterAlt(_localctx, 1);
-			{
+			((Function_bodyContext)_localctx).scope_expression = scope_expression();
+			 ((Function_bodyContext)_localctx).result =  ((Function_bodyContext)_localctx).scope_expression.result; 
 			setState(160);
-			_la = _input.LA(1);
-			if ( !((((_la) & ~0x3f) == 0 && ((1L << _la) & 28672L) != 0)) ) {
-			_errHandler.recoverInline(this);
-			}
-			else {
-				if ( _input.LA(1)==Token.EOF ) matchedEOF = true;
-				_errHandler.reportMatch(this);
-				consume();
-			}
-			}
-		}
-		catch (RecognitionException re) {
-			_localctx.exception = re;
-			_errHandler.reportError(this, re);
-			_errHandler.recover(this, re);
-		}
-		finally {
-			exitRule();
-		}
-		return _localctx;
-	}
-
-	@SuppressWarnings("CheckReturnValue")
-	public static class LevelContext extends ParserRuleContext {
-		public TerminalNode INFIX() { return getToken(LamaParser.INFIX, 0); }
-		public LevelContext(ParserRuleContext parent, int invokingState) {
-			super(parent, invokingState);
-		}
-		@Override public int getRuleIndex() { return RULE_level; }
-		@Override
-		public void enterRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).enterLevel(this);
-		}
-		@Override
-		public void exitRule(ParseTreeListener listener) {
-			if ( listener instanceof LamaListener ) ((LamaListener)listener).exitLevel(this);
-		}
-		@Override
-		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
-			if ( visitor instanceof LamaVisitor ) return ((LamaVisitor<? extends T>)visitor).visitLevel(this);
-			else return visitor.visitChildren(this);
-		}
-	}
-
-	public final LevelContext level() throws RecognitionException {
-		LevelContext _localctx = new LevelContext(_ctx, getState());
-		enterRule(_localctx, 26, RULE_level);
-		int _la;
-		try {
-			enterOuterAlt(_localctx, 1);
-			{
-			setState(162);
-			_la = _input.LA(1);
-			if ( !((((_la) & ~0x3f) == 0 && ((1L << _la) & 229376L) != 0)) ) {
-			_errHandler.recoverInline(this);
-			}
-			else {
-				if ( _input.LA(1)==Token.EOF ) matchedEOF = true;
-				_errHandler.reportMatch(this);
-				consume();
-			}
-			setState(163);
-			match(INFIX);
+			match(T__9);
 			}
 		}
 		catch (RecognitionException re) {
@@ -1062,6 +806,8 @@ public class LamaParser extends Parser {
 	@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);
 		}
@@ -1089,22 +835,24 @@ public class LamaParser extends Parser {
 
 	public final ExpressionContext expression() throws RecognitionException {
 		ExpressionContext _localctx = new ExpressionContext(_ctx, getState());
-		enterRule(_localctx, 28, RULE_expression);
+		enterRule(_localctx, 18, RULE_expression);
 		int _la;
 		try {
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(165);
-			basic_expression();
+			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__1) {
+			if (_la==T__3) {
 				{
-				setState(166);
-				match(T__1);
-				setState(167);
-				expression();
+				setState(164);
+				match(T__3);
+				setState(165);
+				((ExpressionContext)_localctx).expression = expression();
+				 ((ExpressionContext)_localctx).result =  factory.createSeqNode(_localctx.result, ((ExpressionContext)_localctx).expression.result); 
 				}
 			}
 
@@ -1124,6 +872,7 @@ public class LamaParser extends Parser {
 	@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);
 		}
@@ -1148,12 +897,13 @@ public class LamaParser extends Parser {
 
 	public final Basic_expressionContext basic_expression() throws RecognitionException {
 		Basic_expressionContext _localctx = new Basic_expressionContext(_ctx, getState());
-		enterRule(_localctx, 30, RULE_basic_expression);
+		enterRule(_localctx, 20, RULE_basic_expression);
 		try {
 			enterOuterAlt(_localctx, 1);
 			{
 			setState(170);
-			binary_expression();
+			((Basic_expressionContext)_localctx).binary_expression = binary_expression();
+			 ((Basic_expressionContext)_localctx).result =  ((Basic_expressionContext)_localctx).binary_expression.result; 
 			}
 		}
 		catch (RecognitionException re) {
@@ -1170,15 +920,19 @@ public class LamaParser extends Parser {
 	@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<TerminalNode> INFIX() { return getTokens(LamaParser.INFIX); }
-		public TerminalNode INFIX(int i) {
-			return getToken(LamaParser.INFIX, 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);
@@ -1201,26 +955,28 @@ public class LamaParser extends Parser {
 
 	public final Binary_expressionContext binary_expression() throws RecognitionException {
 		Binary_expressionContext _localctx = new Binary_expressionContext(_ctx, getState());
-		enterRule(_localctx, 32, RULE_binary_expression);
+		enterRule(_localctx, 22, RULE_binary_expression);
 		int _la;
 		try {
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(172);
-			postfix_expression();
-			setState(177);
+			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==INFIX) {
+			while (_la==MINUS || _la==INFIX) {
 				{
 				{
-				setState(173);
-				match(INFIX);
-				setState(174);
-				postfix_expression();
+				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(179);
+				setState(183);
 				_errHandler.sync(this);
 				_la = _input.LA(1);
 			}
@@ -1240,9 +996,12 @@ public class LamaParser extends Parser {
 	@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);
 		}
@@ -1270,34 +1029,44 @@ public class LamaParser extends Parser {
 
 	public final Postfix_expressionContext postfix_expression() throws RecognitionException {
 		Postfix_expressionContext _localctx = new Postfix_expressionContext(_ctx, getState());
-		enterRule(_localctx, 34, RULE_postfix_expression);
+		enterRule(_localctx, 24, RULE_postfix_expression);
 		int _la;
 		try {
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(181);
-			_errHandler.sync(this);
-			_la = _input.LA(1);
-			if (_la==T__17) {
-				{
-				setState(180);
-				match(T__17);
-				}
-			}
-
-			setState(183);
-			primary();
+			 boolean with_minus = false; 
 			setState(187);
 			_errHandler.sync(this);
 			_la = _input.LA(1);
-			while (_la==T__7 || _la==T__18) {
+			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(184);
-				postfix();
+				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(189);
+				setState(198);
 				_errHandler.sync(this);
 				_la = _input.LA(1);
 			}
@@ -1316,6 +1085,9 @@ public class LamaParser extends Parser {
 
 	@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);
 		}
@@ -1343,52 +1115,63 @@ public class LamaParser extends Parser {
 
 	public final PostfixContext postfix() throws RecognitionException {
 		PostfixContext _localctx = new PostfixContext(_ctx, getState());
-		enterRule(_localctx, 36, RULE_postfix);
+		enterRule(_localctx, 26, RULE_postfix);
 		int _la;
 		try {
-			setState(205);
+			setState(221);
 			_errHandler.sync(this);
-			switch (_input.LA(1)) {
-			case T__7:
+			switch ( getInterpreter().adaptivePredict(_input,15,_ctx) ) {
+			case 1:
 				enterOuterAlt(_localctx, 1);
 				{
-				setState(190);
-				match(T__7);
-				setState(191);
-				expression();
-				setState(196);
+				 ((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__4) {
+				while (_la==T__2) {
 					{
 					{
-					setState(192);
-					match(T__4);
-					setState(193);
-					expression();
+					setState(203);
+					match(T__2);
+					setState(204);
+					((PostfixContext)_localctx).expression = expression();
+					 _localctx.args.addLast(((PostfixContext)_localctx).expression.result); 
 					}
 					}
-					setState(198);
+					setState(211);
 					_errHandler.sync(this);
 					_la = _input.LA(1);
 				}
-				setState(199);
-				match(T__8);
+				setState(212);
+				match(T__7);
 				}
 				break;
-			case T__18:
+			case 2:
 				enterOuterAlt(_localctx, 2);
 				{
-				setState(201);
-				match(T__18);
-				setState(202);
-				expression();
-				setState(203);
-				match(T__19);
+				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;
-			default:
-				throw new NoViableAltException(this);
 			}
 		}
 		catch (RecognitionException re) {
@@ -1405,11 +1188,29 @@ public class LamaParser extends Parser {
 	@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 TerminalNode INFIX() { return getToken(LamaParser.INFIX, 0); }
+		public Any_infixContext any_infix() {
+			return getRuleContext(Any_infixContext.class,0);
+		}
 		public Function_argumentsContext function_arguments() {
 			return getRuleContext(Function_argumentsContext.class,0);
 		}
@@ -1464,149 +1265,167 @@ public class LamaParser extends Parser {
 
 	public final PrimaryContext primary() throws RecognitionException {
 		PrimaryContext _localctx = new PrimaryContext(_ctx, getState());
-		enterRule(_localctx, 38, RULE_primary);
+		enterRule(_localctx, 28, RULE_primary);
 		try {
-			setState(234);
+			setState(277);
 			_errHandler.sync(this);
 			switch (_input.LA(1)) {
 			case DECIMAL_LITERAL:
 				enterOuterAlt(_localctx, 1);
 				{
-				setState(207);
-				match(DECIMAL_LITERAL);
+				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(208);
-				match(STRING_LITERAL);
+				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(209);
-				match(CHAR_LITERAL);
+				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(210);
-				match(LIDENT);
+				setState(229);
+				((PrimaryContext)_localctx).LIDENT = match(LIDENT);
+				 ((PrimaryContext)_localctx).result =  factory.createRefNode(((PrimaryContext)_localctx).LIDENT); 
 				}
 				break;
-			case T__20:
+			case T__12:
 				enterOuterAlt(_localctx, 5);
 				{
-				setState(211);
-				match(T__20);
+				setState(231);
+				match(T__12);
+				 ((PrimaryContext)_localctx).result =  factory.createConstNode(1); 
 				}
 				break;
-			case T__21:
+			case T__13:
 				enterOuterAlt(_localctx, 6);
 				{
-				setState(212);
-				match(T__21);
+				setState(233);
+				match(T__13);
+				 ((PrimaryContext)_localctx).result =  factory.createConstNode(0); 
 				}
 				break;
-			case T__11:
+			case T__14:
 				enterOuterAlt(_localctx, 7);
 				{
-				setState(213);
-				match(T__11);
-				setState(214);
-				match(INFIX);
+				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.addClosureDefinition(((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, 8);
-				{
-				setState(215);
-				match(T__6);
-				setState(216);
-				match(T__7);
-				setState(217);
-				function_arguments();
-				setState(218);
-				match(T__8);
-				setState(219);
-				function_body();
-				}
-				break;
-			case T__22:
-				enterOuterAlt(_localctx, 9);
-				{
-				setState(221);
-				match(T__22);
-				}
-				break;
-			case T__7:
 				enterOuterAlt(_localctx, 10);
 				{
-				setState(222);
+				setState(248);
+				match(T__6);
+				setState(249);
+				((PrimaryContext)_localctx).scope_expression = scope_expression();
+				setState(250);
 				match(T__7);
-				setState(223);
-				scope_expression();
-				setState(224);
-				match(T__8);
+				 ((PrimaryContext)_localctx).result =  ((PrimaryContext)_localctx).scope_expression.result; 
 				}
 				break;
-			case T__9:
+			case T__8:
 				enterOuterAlt(_localctx, 11);
 				{
-				setState(226);
-				list_expression();
+				setState(253);
+				((PrimaryContext)_localctx).list_expression = list_expression();
+				 ((PrimaryContext)_localctx).result =  ((PrimaryContext)_localctx).list_expression.result; 
 				}
 				break;
-			case T__18:
+			case T__10:
 				enterOuterAlt(_localctx, 12);
 				{
-				setState(227);
-				array_expression();
+				setState(256);
+				((PrimaryContext)_localctx).array_expression = array_expression();
+				 ((PrimaryContext)_localctx).result =  ((PrimaryContext)_localctx).array_expression.result; 
 				}
 				break;
 			case UIDENT:
 				enterOuterAlt(_localctx, 13);
 				{
-				setState(228);
-				s_expression();
+				setState(259);
+				((PrimaryContext)_localctx).s_expression = s_expression();
+				 ((PrimaryContext)_localctx).result =  ((PrimaryContext)_localctx).s_expression.result; 
 				}
 				break;
-			case T__23:
+			case T__16:
 				enterOuterAlt(_localctx, 14);
 				{
-				setState(229);
-				if_expression();
+				setState(262);
+				((PrimaryContext)_localctx).if_expression = if_expression();
+				 ((PrimaryContext)_localctx).result =  ((PrimaryContext)_localctx).if_expression.result; 
 				}
 				break;
-			case T__28:
+			case T__21:
 				enterOuterAlt(_localctx, 15);
 				{
-				setState(230);
-				while_do_expression();
+				setState(265);
+				((PrimaryContext)_localctx).while_do_expression = while_do_expression();
+				 ((PrimaryContext)_localctx).result =  ((PrimaryContext)_localctx).while_do_expression.result; 
 				}
 				break;
-			case T__29:
+			case T__22:
 				enterOuterAlt(_localctx, 16);
 				{
-				setState(231);
-				do_while_expression();
+				setState(268);
+				((PrimaryContext)_localctx).do_while_expression = do_while_expression();
+				 ((PrimaryContext)_localctx).result =  ((PrimaryContext)_localctx).do_while_expression.result; 
 				}
 				break;
-			case T__31:
+			case T__24:
 				enterOuterAlt(_localctx, 17);
 				{
-				setState(232);
-				for_expression();
+				setState(271);
+				((PrimaryContext)_localctx).for_expression = for_expression();
+				 ((PrimaryContext)_localctx).result =  ((PrimaryContext)_localctx).for_expression.result; 
 				}
 				break;
-			case T__42:
+			case T__34:
 				enterOuterAlt(_localctx, 18);
 				{
-				setState(233);
-				case_expression();
+				setState(274);
+				((PrimaryContext)_localctx).case_expression = case_expression();
+				 ((PrimaryContext)_localctx).result =  ((PrimaryContext)_localctx).case_expression.result; 
 				}
 				break;
 			default:
@@ -1626,6 +1445,8 @@ public class LamaParser extends Parser {
 
 	@SuppressWarnings("CheckReturnValue")
 	public static class Array_expressionContext extends ParserRuleContext {
+		public LamaExpressionNode result;
+		public ExpressionContext expression;
 		public List<ExpressionContext> expression() {
 			return getRuleContexts(ExpressionContext.class);
 		}
@@ -1653,41 +1474,45 @@ public class LamaParser extends Parser {
 
 	public final Array_expressionContext array_expression() throws RecognitionException {
 		Array_expressionContext _localctx = new Array_expressionContext(_ctx, getState());
-		enterRule(_localctx, 40, RULE_array_expression);
+		enterRule(_localctx, 30, RULE_array_expression);
 		int _la;
 		try {
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(236);
-			match(T__18);
-			setState(245);
+			 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) & 139620390479336832L) != 0)) {
+			if ((((_la) & ~0x3f) == 0 && ((1L << _la) & 1099546033908416L) != 0)) {
 				{
-				setState(237);
-				expression();
-				setState(242);
+				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__4) {
+				while (_la==T__2) {
 					{
 					{
-					setState(238);
-					match(T__4);
-					setState(239);
-					expression();
+					setState(283);
+					match(T__2);
+					setState(284);
+					((Array_expressionContext)_localctx).expression = expression();
+					 elems.addLast(((Array_expressionContext)_localctx).expression.result); 
 					}
 					}
-					setState(244);
+					setState(291);
 					_errHandler.sync(this);
 					_la = _input.LA(1);
 				}
 				}
 			}
 
-			setState(247);
-			match(T__19);
+			setState(294);
+			match(T__11);
+			 ((Array_expressionContext)_localctx).result =  factory.createArrayNode(elems); 
 			}
 		}
 		catch (RecognitionException re) {
@@ -1703,6 +1528,8 @@ public class LamaParser extends Parser {
 
 	@SuppressWarnings("CheckReturnValue")
 	public static class List_expressionContext extends ParserRuleContext {
+		public LamaExpressionNode result;
+		public ExpressionContext expression;
 		public List<ExpressionContext> expression() {
 			return getRuleContexts(ExpressionContext.class);
 		}
@@ -1730,41 +1557,45 @@ public class LamaParser extends Parser {
 
 	public final List_expressionContext list_expression() throws RecognitionException {
 		List_expressionContext _localctx = new List_expressionContext(_ctx, getState());
-		enterRule(_localctx, 42, RULE_list_expression);
+		enterRule(_localctx, 32, RULE_list_expression);
 		int _la;
 		try {
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(249);
-			match(T__9);
-			setState(258);
+			 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) & 139620390479336832L) != 0)) {
+			if ((((_la) & ~0x3f) == 0 && ((1L << _la) & 1099546033908416L) != 0)) {
 				{
-				setState(250);
-				expression();
-				setState(255);
+				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__4) {
+				while (_la==T__2) {
 					{
 					{
-					setState(251);
-					match(T__4);
-					setState(252);
-					expression();
+					setState(301);
+					match(T__2);
+					setState(302);
+					((List_expressionContext)_localctx).expression = expression();
+					elems.addLast(((List_expressionContext)_localctx).expression.result); 
 					}
 					}
-					setState(257);
+					setState(309);
 					_errHandler.sync(this);
 					_la = _input.LA(1);
 				}
 				}
 			}
 
-			setState(260);
-			match(T__10);
+			setState(312);
+			match(T__9);
+			 ((List_expressionContext)_localctx).result =  factory.createListSexpNode(elems); 
 			}
 		}
 		catch (RecognitionException re) {
@@ -1780,6 +1611,9 @@ public class LamaParser extends Parser {
 
 	@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);
@@ -1808,51 +1642,55 @@ public class LamaParser extends Parser {
 
 	public final S_expressionContext s_expression() throws RecognitionException {
 		S_expressionContext _localctx = new S_expressionContext(_ctx, getState());
-		enterRule(_localctx, 44, RULE_s_expression);
+		enterRule(_localctx, 34, RULE_s_expression);
 		int _la;
 		try {
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(262);
-			match(UIDENT);
-			setState(275);
+			 List<LamaExpressionNode> elems = new ArrayList<LamaExpressionNode>(); 
+			setState(316);
+			((S_expressionContext)_localctx).UIDENT = match(UIDENT);
+			setState(332);
 			_errHandler.sync(this);
-			switch ( getInterpreter().adaptivePredict(_input,24,_ctx) ) {
+			switch ( getInterpreter().adaptivePredict(_input,23,_ctx) ) {
 			case 1:
 				{
-				setState(263);
-				match(T__7);
-				setState(272);
+				setState(317);
+				match(T__6);
+				setState(329);
 				_errHandler.sync(this);
 				_la = _input.LA(1);
-				if ((((_la) & ~0x3f) == 0 && ((1L << _la) & 139620390479336832L) != 0)) {
+				if ((((_la) & ~0x3f) == 0 && ((1L << _la) & 1099546033908416L) != 0)) {
 					{
-					setState(264);
-					expression();
-					setState(269);
+					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__4) {
+					while (_la==T__2) {
 						{
 						{
-						setState(265);
-						match(T__4);
-						setState(266);
-						expression();
+						setState(320);
+						match(T__2);
+						setState(321);
+						((S_expressionContext)_localctx).expression = expression();
+						elems.addLast(((S_expressionContext)_localctx).expression.result); 
 						}
 						}
-						setState(271);
+						setState(328);
 						_errHandler.sync(this);
 						_la = _input.LA(1);
 					}
 					}
 				}
 
-				setState(274);
-				match(T__8);
+				setState(331);
+				match(T__7);
 				}
 				break;
 			}
+			 ((S_expressionContext)_localctx).result =  factory.createSexpNode(((S_expressionContext)_localctx).UIDENT, elems); 
 			}
 		}
 		catch (RecognitionException re) {
@@ -1868,6 +1706,10 @@ public class LamaParser extends Parser {
 
 	@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);
 		}
@@ -1898,31 +1740,34 @@ public class LamaParser extends Parser {
 
 	public final If_expressionContext if_expression() throws RecognitionException {
 		If_expressionContext _localctx = new If_expressionContext(_ctx, getState());
-		enterRule(_localctx, 46, RULE_if_expression);
+		enterRule(_localctx, 36, RULE_if_expression);
 		int _la;
 		try {
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(277);
-			match(T__23);
-			setState(278);
-			expression();
-			setState(279);
-			match(T__24);
-			setState(280);
-			scope_expression();
-			setState(282);
+			 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__26 || _la==T__27) {
+			if (_la==T__19 || _la==T__20) {
 				{
-				setState(281);
-				else_part();
+				setState(341);
+				((If_expressionContext)_localctx).else_part = else_part();
+				 do_else = ((If_expressionContext)_localctx).else_part.result; 
 				}
 			}
 
-			setState(284);
-			match(T__25);
+			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) {
@@ -1938,6 +1783,10 @@ public class LamaParser extends Parser {
 
 	@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);
 		}
@@ -1968,42 +1817,46 @@ public class LamaParser extends Parser {
 
 	public final Else_partContext else_part() throws RecognitionException {
 		Else_partContext _localctx = new Else_partContext(_ctx, getState());
-		enterRule(_localctx, 48, RULE_else_part);
+		enterRule(_localctx, 38, RULE_else_part);
 		int _la;
 		try {
-			setState(295);
+			setState(365);
 			_errHandler.sync(this);
 			switch (_input.LA(1)) {
-			case T__26:
+			case T__19:
 				enterOuterAlt(_localctx, 1);
 				{
-				setState(286);
-				match(T__26);
-				setState(287);
-				expression();
-				setState(288);
-				match(T__24);
-				setState(289);
-				scope_expression();
-				setState(291);
+				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__26 || _la==T__27) {
+				if (_la==T__19 || _la==T__20) {
 					{
-					setState(290);
-					else_part();
+					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__27:
+			case T__20:
 				enterOuterAlt(_localctx, 2);
 				{
-				setState(293);
-				match(T__27);
-				setState(294);
-				scope_expression();
+				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:
@@ -2023,6 +1876,9 @@ public class LamaParser extends Parser {
 
 	@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);
 		}
@@ -2050,20 +1906,21 @@ public class LamaParser extends Parser {
 
 	public final While_do_expressionContext while_do_expression() throws RecognitionException {
 		While_do_expressionContext _localctx = new While_do_expressionContext(_ctx, getState());
-		enterRule(_localctx, 50, RULE_while_do_expression);
+		enterRule(_localctx, 40, RULE_while_do_expression);
 		try {
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(297);
-			match(T__28);
-			setState(298);
-			expression();
-			setState(299);
-			match(T__29);
-			setState(300);
-			scope_expression();
-			setState(301);
-			match(T__30);
+			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) {
@@ -2079,6 +1936,9 @@ public class LamaParser extends Parser {
 
 	@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);
 		}
@@ -2106,20 +1966,21 @@ public class LamaParser extends Parser {
 
 	public final Do_while_expressionContext do_while_expression() throws RecognitionException {
 		Do_while_expressionContext _localctx = new Do_while_expressionContext(_ctx, getState());
-		enterRule(_localctx, 52, RULE_do_while_expression);
+		enterRule(_localctx, 42, RULE_do_while_expression);
 		try {
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(303);
-			match(T__29);
-			setState(304);
-			scope_expression();
-			setState(305);
-			match(T__28);
-			setState(306);
-			expression();
-			setState(307);
-			match(T__30);
+			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) {
@@ -2135,6 +1996,11 @@ public class LamaParser extends Parser {
 
 	@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);
 		}
@@ -2168,28 +2034,29 @@ public class LamaParser extends Parser {
 
 	public final For_expressionContext for_expression() throws RecognitionException {
 		For_expressionContext _localctx = new For_expressionContext(_ctx, getState());
-		enterRule(_localctx, 54, RULE_for_expression);
+		enterRule(_localctx, 44, RULE_for_expression);
 		try {
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(309);
-			match(T__31);
-			setState(310);
-			scope_expression();
-			setState(311);
-			match(T__4);
-			setState(312);
-			expression();
-			setState(313);
-			match(T__4);
-			setState(314);
-			expression();
-			setState(315);
-			match(T__29);
-			setState(316);
-			scope_expression();
-			setState(317);
-			match(T__30);
+			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) {
@@ -2205,6 +2072,9 @@ public class LamaParser extends Parser {
 
 	@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);
 		}
@@ -2232,16 +2102,27 @@ public class LamaParser extends Parser {
 
 	public final PatternContext pattern() throws RecognitionException {
 		PatternContext _localctx = new PatternContext(_ctx, getState());
-		enterRule(_localctx, 56, RULE_pattern);
+		enterRule(_localctx, 46, RULE_pattern);
 		try {
-			enterOuterAlt(_localctx, 1);
-			{
-			setState(319);
-			cons_pattern();
-			setState(320);
-			match(T__32);
-			setState(321);
-			simple_pattern();
+			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) {
@@ -2257,6 +2138,9 @@ public class LamaParser extends Parser {
 
 	@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);
 		}
@@ -2284,16 +2168,17 @@ public class LamaParser extends Parser {
 
 	public final Cons_patternContext cons_pattern() throws RecognitionException {
 		Cons_patternContext _localctx = new Cons_patternContext(_ctx, getState());
-		enterRule(_localctx, 58, RULE_cons_pattern);
+		enterRule(_localctx, 48, RULE_cons_pattern);
 		try {
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(323);
-			simple_pattern();
-			setState(324);
-			match(T__33);
-			setState(325);
-			pattern();
+			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) {
@@ -2309,6 +2194,16 @@ public class LamaParser extends Parser {
 
 	@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);
 		}
@@ -2326,6 +2221,7 @@ public class LamaParser extends Parser {
 			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) {
@@ -2349,167 +2245,188 @@ public class LamaParser extends Parser {
 
 	public final Simple_patternContext simple_pattern() throws RecognitionException {
 		Simple_patternContext _localctx = new Simple_patternContext(_ctx, getState());
-		enterRule(_localctx, 60, RULE_simple_pattern);
+		enterRule(_localctx, 50, RULE_simple_pattern);
 		int _la;
 		try {
-			setState(360);
+			setState(464);
 			_errHandler.sync(this);
 			switch ( getInterpreter().adaptivePredict(_input,30,_ctx) ) {
 			case 1:
 				enterOuterAlt(_localctx, 1);
 				{
-				setState(327);
-				wildcard_pattern();
+				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(328);
-				s_expr_pattern();
+				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(329);
-				array_pattern();
+				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(330);
-				list_pattern();
+				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(331);
-				match(LIDENT);
-				setState(334);
+				setState(417);
+				((Simple_patternContext)_localctx).LIDENT = match(LIDENT);
+				 LamaPattern pat = null; 
+				setState(423);
 				_errHandler.sync(this);
 				_la = _input.LA(1);
-				if (_la==T__34) {
+				if (_la==T__26) {
 					{
-					setState(332);
-					match(T__34);
-					setState(333);
-					pattern();
+					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);
 				{
-				setState(337);
+				 boolean is_negative = false; 
+				setState(429);
 				_errHandler.sync(this);
 				_la = _input.LA(1);
-				if (_la==T__17) {
+				if (_la==MINUS) {
 					{
-					setState(336);
-					match(T__17);
+					setState(427);
+					match(MINUS);
+					 is_negative = true; 
 					}
 				}
 
-				setState(339);
-				match(DECIMAL_LITERAL);
+				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(340);
-				match(STRING_LITERAL);
+				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(341);
-				match(CHAR_LITERAL);
+				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(342);
-				match(T__20);
+				setState(437);
+				match(T__12);
+				 ((Simple_patternContext)_localctx).result =  factory.createConstPattern(1); 
 				}
 				break;
 			case 10:
 				enterOuterAlt(_localctx, 10);
 				{
-				setState(343);
-				match(T__21);
+				setState(439);
+				match(T__13);
+				 ((Simple_patternContext)_localctx).result =  factory.createConstPattern(0); 
 				}
 				break;
 			case 11:
 				enterOuterAlt(_localctx, 11);
 				{
-				setState(344);
-				match(T__35);
-				setState(345);
-				match(T__36);
+				setState(441);
+				match(T__27);
+				setState(442);
+				match(T__28);
+				 ((Simple_patternContext)_localctx).result =  factory.createBoxedPattern(); 
 				}
 				break;
 			case 12:
 				enterOuterAlt(_localctx, 12);
 				{
-				setState(346);
-				match(T__35);
-				setState(347);
-				match(T__37);
+				setState(444);
+				match(T__27);
+				setState(445);
+				match(T__29);
+				 ((Simple_patternContext)_localctx).result =  factory.createUnBoxedPattern(); 
 				}
 				break;
 			case 13:
 				enterOuterAlt(_localctx, 13);
 				{
-				setState(348);
-				match(T__35);
-				setState(349);
-				match(T__38);
+				setState(447);
+				match(T__27);
+				setState(448);
+				match(T__30);
+				 ((Simple_patternContext)_localctx).result =  factory.createStringTagPattern(); 
 				}
 				break;
 			case 14:
 				enterOuterAlt(_localctx, 14);
 				{
-				setState(350);
-				match(T__35);
-				setState(351);
-				match(T__39);
+				setState(450);
+				match(T__27);
+				setState(451);
+				match(T__31);
+				 ((Simple_patternContext)_localctx).result =  factory.createArrayTagPattern(); 
 				}
 				break;
 			case 15:
 				enterOuterAlt(_localctx, 15);
 				{
-				setState(352);
-				match(T__35);
-				setState(353);
-				match(T__40);
+				setState(453);
+				match(T__27);
+				setState(454);
+				match(T__32);
+				 ((Simple_patternContext)_localctx).result =  factory.createSexpTagPattern(); 
 				}
 				break;
 			case 16:
 				enterOuterAlt(_localctx, 16);
 				{
-				setState(354);
-				match(T__35);
-				setState(355);
-				match(T__6);
+				setState(456);
+				match(T__27);
+				setState(457);
+				match(T__5);
+				 ((Simple_patternContext)_localctx).result =  factory.createClosureTagPattern(); 
 				}
 				break;
 			case 17:
 				enterOuterAlt(_localctx, 17);
 				{
-				setState(356);
+				setState(459);
+				match(T__6);
+				setState(460);
+				((Simple_patternContext)_localctx).pattern = pattern();
+				setState(461);
 				match(T__7);
-				setState(357);
-				pattern();
-				setState(358);
-				match(T__8);
+				 ((Simple_patternContext)_localctx).result =  ((Simple_patternContext)_localctx).pattern.result; 
 				}
 				break;
 			}
@@ -2527,6 +2444,7 @@ public class LamaParser extends Parser {
 
 	@SuppressWarnings("CheckReturnValue")
 	public static class Wildcard_patternContext extends ParserRuleContext {
+		public LamaPattern result;
 		public Wildcard_patternContext(ParserRuleContext parent, int invokingState) {
 			super(parent, invokingState);
 		}
@@ -2548,12 +2466,13 @@ public class LamaParser extends Parser {
 
 	public final Wildcard_patternContext wildcard_pattern() throws RecognitionException {
 		Wildcard_patternContext _localctx = new Wildcard_patternContext(_ctx, getState());
-		enterRule(_localctx, 62, RULE_wildcard_pattern);
+		enterRule(_localctx, 52, RULE_wildcard_pattern);
 		try {
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(362);
-			match(T__41);
+			setState(466);
+			match(T__33);
+			 ((Wildcard_patternContext)_localctx).result =  factory.createWildcardPattern(); 
 			}
 		}
 		catch (RecognitionException re) {
@@ -2569,6 +2488,9 @@ public class LamaParser extends Parser {
 
 	@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);
@@ -2597,51 +2519,55 @@ public class LamaParser extends Parser {
 
 	public final S_expr_patternContext s_expr_pattern() throws RecognitionException {
 		S_expr_patternContext _localctx = new S_expr_patternContext(_ctx, getState());
-		enterRule(_localctx, 64, RULE_s_expr_pattern);
+		enterRule(_localctx, 54, RULE_s_expr_pattern);
 		int _la;
 		try {
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(364);
-			match(UIDENT);
-			setState(377);
+			 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__7) {
+			if (_la==T__6) {
 				{
-				setState(365);
-				match(T__7);
-				setState(374);
+				setState(471);
+				match(T__6);
+				setState(483);
 				_errHandler.sync(this);
 				_la = _input.LA(1);
-				if ((((_la) & ~0x3f) == 0 && ((1L << _la) & 139616055221552384L) != 0)) {
+				if ((((_la) & ~0x3f) == 0 && ((1L << _la) & 1099529076107904L) != 0)) {
 					{
-					setState(366);
-					pattern();
-					setState(371);
+					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__4) {
+					while (_la==T__2) {
 						{
 						{
-						setState(367);
-						match(T__4);
-						setState(368);
-						pattern();
+						setState(474);
+						match(T__2);
+						setState(475);
+						((S_expr_patternContext)_localctx).pattern = pattern();
+						 elems.addLast(((S_expr_patternContext)_localctx).pattern.result); 
 						}
 						}
-						setState(373);
+						setState(482);
 						_errHandler.sync(this);
 						_la = _input.LA(1);
 					}
 					}
 				}
 
-				setState(376);
-				match(T__8);
+				setState(485);
+				match(T__7);
 				}
 			}
 
+			 ((S_expr_patternContext)_localctx).result =  factory.createSexpPattern(((S_expr_patternContext)_localctx).UIDENT, elems); 
 			}
 		}
 		catch (RecognitionException re) {
@@ -2657,6 +2583,8 @@ public class LamaParser extends Parser {
 
 	@SuppressWarnings("CheckReturnValue")
 	public static class Array_patternContext extends ParserRuleContext {
+		public LamaPattern result;
+		public PatternContext pattern;
 		public List<PatternContext> pattern() {
 			return getRuleContexts(PatternContext.class);
 		}
@@ -2684,41 +2612,45 @@ public class LamaParser extends Parser {
 
 	public final Array_patternContext array_pattern() throws RecognitionException {
 		Array_patternContext _localctx = new Array_patternContext(_ctx, getState());
-		enterRule(_localctx, 66, RULE_array_pattern);
+		enterRule(_localctx, 56, RULE_array_pattern);
 		int _la;
 		try {
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(379);
-			match(T__18);
-			setState(388);
+			 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) & 139616055221552384L) != 0)) {
+			if ((((_la) & ~0x3f) == 0 && ((1L << _la) & 1099529076107904L) != 0)) {
 				{
-				setState(380);
-				pattern();
-				setState(385);
+				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__4) {
+				while (_la==T__2) {
 					{
 					{
-					setState(381);
-					match(T__4);
-					setState(382);
-					pattern();
+					setState(494);
+					match(T__2);
+					setState(495);
+					((Array_patternContext)_localctx).pattern = pattern();
+					 elems.addLast(((Array_patternContext)_localctx).pattern.result); 
 					}
 					}
-					setState(387);
+					setState(502);
 					_errHandler.sync(this);
 					_la = _input.LA(1);
 				}
 				}
 			}
 
-			setState(390);
-			match(T__19);
+			setState(505);
+			match(T__11);
+			 ((Array_patternContext)_localctx).result =  factory.createArrayPattern(elems); 
 			}
 		}
 		catch (RecognitionException re) {
@@ -2734,6 +2666,8 @@ public class LamaParser extends Parser {
 
 	@SuppressWarnings("CheckReturnValue")
 	public static class List_patternContext extends ParserRuleContext {
+		public LamaPattern result;
+		public PatternContext pattern;
 		public List<PatternContext> pattern() {
 			return getRuleContexts(PatternContext.class);
 		}
@@ -2761,41 +2695,43 @@ public class LamaParser extends Parser {
 
 	public final List_patternContext list_pattern() throws RecognitionException {
 		List_patternContext _localctx = new List_patternContext(_ctx, getState());
-		enterRule(_localctx, 68, RULE_list_pattern);
+		enterRule(_localctx, 58, RULE_list_pattern);
 		int _la;
 		try {
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(392);
-			match(T__9);
-			setState(401);
+			setState(508);
+			match(T__8);
+			setState(520);
 			_errHandler.sync(this);
 			_la = _input.LA(1);
-			if ((((_la) & ~0x3f) == 0 && ((1L << _la) & 139616055221552384L) != 0)) {
+			if ((((_la) & ~0x3f) == 0 && ((1L << _la) & 1099529076107904L) != 0)) {
 				{
-				setState(393);
-				pattern();
-				setState(398);
+				setState(509);
+				((List_patternContext)_localctx).pattern = pattern();
+				 ((List_patternContext)_localctx).result =  ((List_patternContext)_localctx).pattern.result; 
+				setState(517);
 				_errHandler.sync(this);
 				_la = _input.LA(1);
-				while (_la==T__4) {
+				while (_la==T__2) {
 					{
 					{
-					setState(394);
-					match(T__4);
-					setState(395);
-					pattern();
+					setState(511);
+					match(T__2);
+					setState(512);
+					((List_patternContext)_localctx).pattern = pattern();
+					 ((List_patternContext)_localctx).result =  factory.createSexpPattern("cons", {_localctx.result, ((List_patternContext)_localctx).pattern.result}); 
 					}
 					}
-					setState(400);
+					setState(519);
 					_errHandler.sync(this);
 					_la = _input.LA(1);
 				}
 				}
 			}
 
-			setState(403);
-			match(T__10);
+			setState(522);
+			match(T__9);
 			}
 		}
 		catch (RecognitionException re) {
@@ -2811,6 +2747,9 @@ public class LamaParser extends Parser {
 
 	@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);
 		}
@@ -2838,20 +2777,21 @@ public class LamaParser extends Parser {
 
 	public final Case_expressionContext case_expression() throws RecognitionException {
 		Case_expressionContext _localctx = new Case_expressionContext(_ctx, getState());
-		enterRule(_localctx, 70, RULE_case_expression);
+		enterRule(_localctx, 60, RULE_case_expression);
 		try {
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(405);
-			match(T__42);
-			setState(406);
-			expression();
-			setState(407);
-			match(T__43);
-			setState(408);
-			case_branches();
-			setState(409);
-			match(T__44);
+			setState(524);
+			match(T__34);
+			setState(525);
+			((Case_expressionContext)_localctx).expression = expression();
+			setState(526);
+			match(T__35);
+			setState(527);
+			((Case_expressionContext)_localctx).case_branches = case_branches();
+			setState(528);
+			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) {
@@ -2867,6 +2807,9 @@ public class LamaParser extends Parser {
 
 	@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);
 		}
@@ -2894,26 +2837,29 @@ public class LamaParser extends Parser {
 
 	public final Case_branchesContext case_branches() throws RecognitionException {
 		Case_branchesContext _localctx = new Case_branchesContext(_ctx, getState());
-		enterRule(_localctx, 72, RULE_case_branches);
+		enterRule(_localctx, 62, RULE_case_branches);
 		int _la;
 		try {
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(411);
-			case_branch();
-			setState(416);
+			 ((Case_branchesContext)_localctx).pats =  new ArrayList<LamaPattern>(); ((Case_branchesContext)_localctx).exprs =  new ArrayList<LamaExpressionNode> exprs; 
+			setState(532);
+			((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(540);
 			_errHandler.sync(this);
 			_la = _input.LA(1);
-			while (_la==T__32) {
+			while (_la==T__37) {
 				{
 				{
-				setState(412);
-				match(T__32);
-				setState(413);
-				case_branch();
+				setState(534);
+				match(T__37);
+				setState(535);
+				((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(418);
+				setState(542);
 				_errHandler.sync(this);
 				_la = _input.LA(1);
 			}
@@ -2932,6 +2878,10 @@ public class LamaParser extends Parser {
 
 	@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);
 		}
@@ -2959,16 +2909,82 @@ public class LamaParser extends Parser {
 
 	public final Case_branchContext case_branch() throws RecognitionException {
 		Case_branchContext _localctx = new Case_branchContext(_ctx, getState());
-		enterRule(_localctx, 74, RULE_case_branch);
+		enterRule(_localctx, 64, RULE_case_branch);
 		try {
 			enterOuterAlt(_localctx, 1);
 			{
-			setState(419);
-			pattern();
-			setState(420);
-			match(T__45);
-			setState(421);
-			scope_expression();
+			setState(543);
+			((Case_branchContext)_localctx).pattern = pattern();
+			 ((Case_branchContext)_localctx).pat =  ((Case_branchContext)_localctx).pattern.result; 
+			setState(545);
+			match(T__38);
+			setState(546);
+			((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(553);
+			_errHandler.sync(this);
+			switch (_input.LA(1)) {
+			case INFIX:
+				enterOuterAlt(_localctx, 1);
+				{
+				setState(549);
+				((Any_infixContext)_localctx).INFIX = match(INFIX);
+				 ((Any_infixContext)_localctx).result =  ((Any_infixContext)_localctx).INFIX; 
+				}
+				break;
+			case MINUS:
+				enterOuterAlt(_localctx, 2);
+				{
+				setState(551);
+				((Any_infixContext)_localctx).MINUS = match(MINUS);
+				 ((Any_infixContext)_localctx).result =  ((Any_infixContext)_localctx).MINUS; 
+				}
+				break;
+			default:
+				throw new NoViableAltException(this);
 			}
 		}
 		catch (RecognitionException re) {
@@ -2983,7 +2999,7 @@ public class LamaParser extends Parser {
 	}
 
 	public static final String _serializedATN =
-		"\u0004\u00018\u01a8\u0002\u0000\u0007\u0000\u0002\u0001\u0007\u0001\u0002"+
+		"\u0004\u00012\u022c\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"+
@@ -2993,274 +3009,374 @@ public class LamaParser extends Parser {
 		"\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!\u0002\"\u0007\"\u0002"+
-		"#\u0007#\u0002$\u0007$\u0002%\u0007%\u0001\u0000\u0005\u0000N\b\u0000"+
-		"\n\u0000\f\u0000Q\t\u0000\u0001\u0000\u0001\u0000\u0001\u0000\u0001\u0001"+
-		"\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0002\u0004\u0002[\b\u0002"+
-		"\u000b\u0002\f\u0002\\\u0001\u0002\u0003\u0002`\b\u0002\u0001\u0002\u0003"+
-		"\u0002c\b\u0002\u0001\u0003\u0001\u0003\u0001\u0003\u0003\u0003h\b\u0003"+
-		"\u0001\u0004\u0001\u0004\u0001\u0004\u0001\u0005\u0001\u0005\u0001\u0005"+
-		"\u0005\u0005p\b\u0005\n\u0005\f\u0005s\t\u0005\u0001\u0005\u0001\u0005"+
-		"\u0001\u0006\u0001\u0006\u0001\u0006\u0003\u0006z\b\u0006\u0001\u0007"+
-		"\u0003\u0007}\b\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007"+
-		"\u0003\u0007\u0083\b\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\b"+
-		"\u0001\b\u0001\b\u0005\b\u008b\b\b\n\b\f\b\u008e\t\b\u0001\t\u0001\t\u0001"+
-		"\t\u0001\t\u0001\n\u0001\n\u0001\n\u0001\n\u0001\n\u0001\n\u0001\u000b"+
-		"\u0003\u000b\u009b\b\u000b\u0001\u000b\u0001\u000b\u0001\u000b\u0001\u000b"+
-		"\u0001\f\u0001\f\u0001\r\u0001\r\u0001\r\u0001\u000e\u0001\u000e\u0001"+
-		"\u000e\u0003\u000e\u00a9\b\u000e\u0001\u000f\u0001\u000f\u0001\u0010\u0001"+
-		"\u0010\u0001\u0010\u0005\u0010\u00b0\b\u0010\n\u0010\f\u0010\u00b3\t\u0010"+
-		"\u0001\u0011\u0003\u0011\u00b6\b\u0011\u0001\u0011\u0001\u0011\u0005\u0011"+
-		"\u00ba\b\u0011\n\u0011\f\u0011\u00bd\t\u0011\u0001\u0012\u0001\u0012\u0001"+
-		"\u0012\u0001\u0012\u0005\u0012\u00c3\b\u0012\n\u0012\f\u0012\u00c6\t\u0012"+
-		"\u0001\u0012\u0001\u0012\u0001\u0012\u0001\u0012\u0001\u0012\u0001\u0012"+
-		"\u0003\u0012\u00ce\b\u0012\u0001\u0013\u0001\u0013\u0001\u0013\u0001\u0013"+
-		"\u0001\u0013\u0001\u0013\u0001\u0013\u0001\u0013\u0001\u0013\u0001\u0013"+
-		"\u0001\u0013\u0001\u0013\u0001\u0013\u0001\u0013\u0001\u0013\u0001\u0013"+
-		"\u0001\u0013\u0001\u0013\u0001\u0013\u0001\u0013\u0001\u0013\u0001\u0013"+
-		"\u0001\u0013\u0001\u0013\u0001\u0013\u0001\u0013\u0001\u0013\u0003\u0013"+
-		"\u00eb\b\u0013\u0001\u0014\u0001\u0014\u0001\u0014\u0001\u0014\u0005\u0014"+
-		"\u00f1\b\u0014\n\u0014\f\u0014\u00f4\t\u0014\u0003\u0014\u00f6\b\u0014"+
-		"\u0001\u0014\u0001\u0014\u0001\u0015\u0001\u0015\u0001\u0015\u0001\u0015"+
-		"\u0005\u0015\u00fe\b\u0015\n\u0015\f\u0015\u0101\t\u0015\u0003\u0015\u0103"+
-		"\b\u0015\u0001\u0015\u0001\u0015\u0001\u0016\u0001\u0016\u0001\u0016\u0001"+
-		"\u0016\u0001\u0016\u0005\u0016\u010c\b\u0016\n\u0016\f\u0016\u010f\t\u0016"+
-		"\u0003\u0016\u0111\b\u0016\u0001\u0016\u0003\u0016\u0114\b\u0016\u0001"+
-		"\u0017\u0001\u0017\u0001\u0017\u0001\u0017\u0001\u0017\u0003\u0017\u011b"+
-		"\b\u0017\u0001\u0017\u0001\u0017\u0001\u0018\u0001\u0018\u0001\u0018\u0001"+
-		"\u0018\u0001\u0018\u0003\u0018\u0124\b\u0018\u0001\u0018\u0001\u0018\u0003"+
-		"\u0018\u0128\b\u0018\u0001\u0019\u0001\u0019\u0001\u0019\u0001\u0019\u0001"+
-		"\u0019\u0001\u0019\u0001\u001a\u0001\u001a\u0001\u001a\u0001\u001a\u0001"+
-		"\u001a\u0001\u001a\u0001\u001b\u0001\u001b\u0001\u001b\u0001\u001b\u0001"+
-		"\u001b\u0001\u001b\u0001\u001b\u0001\u001b\u0001\u001b\u0001\u001b\u0001"+
+		"\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"+
+		"\u0002\u0001\u0002\u0001\u0002\u0001\u0002\u0003\u0002c\b\u0002\u0001"+
+		"\u0003\u0001\u0003\u0001\u0003\u0001\u0003\u0003\u0003i\b\u0003\u0001"+
+		"\u0003\u0001\u0003\u0001\u0003\u0001\u0004\u0001\u0004\u0001\u0004\u0001"+
+		"\u0004\u0001\u0004\u0001\u0004\u0005\u0004t\b\u0004\n\u0004\f\u0004w\t"+
+		"\u0004\u0001\u0004\u0001\u0004\u0001\u0005\u0001\u0005\u0001\u0005\u0001"+
+		"\u0005\u0001\u0005\u0001\u0005\u0001\u0005\u0003\u0005\u0082\b\u0005\u0001"+
+		"\u0006\u0001\u0006\u0001\u0006\u0003\u0006\u0087\b\u0006\u0001\u0006\u0001"+
+		"\u0006\u0001\u0006\u0001\u0006\u0003\u0006\u008d\b\u0006\u0001\u0006\u0001"+
+		"\u0006\u0001\u0006\u0001\u0006\u0001\u0007\u0001\u0007\u0001\u0007\u0001"+
+		"\u0007\u0001\u0007\u0001\u0007\u0005\u0007\u0099\b\u0007\n\u0007\f\u0007"+
+		"\u009c\t\u0007\u0001\b\u0001\b\u0001\b\u0001\b\u0001\b\u0001\t\u0001\t"+
+		"\u0001\t\u0001\t\u0001\t\u0001\t\u0003\t\u00a9\b\t\u0001\n\u0001\n\u0001"+
+		"\n\u0001\u000b\u0001\u000b\u0001\u000b\u0001\u000b\u0001\u000b\u0001\u000b"+
+		"\u0005\u000b\u00b4\b\u000b\n\u000b\f\u000b\u00b7\t\u000b\u0001\f\u0001"+
+		"\f\u0001\f\u0003\f\u00bc\b\f\u0001\f\u0001\f\u0001\f\u0001\f\u0001\f\u0005"+
+		"\f\u00c3\b\f\n\f\f\f\u00c6\t\f\u0001\r\u0001\r\u0001\r\u0001\r\u0001\r"+
+		"\u0001\r\u0001\r\u0001\r\u0005\r\u00d0\b\r\n\r\f\r\u00d3\t\r\u0001\r\u0001"+
+		"\r\u0001\r\u0001\r\u0001\r\u0001\r\u0001\r\u0001\r\u0001\r\u0003\r\u00de"+
+		"\b\r\u0001\u000e\u0001\u000e\u0001\u000e\u0001\u000e\u0001\u000e\u0001"+
+		"\u000e\u0001\u000e\u0001\u000e\u0001\u000e\u0001\u000e\u0001\u000e\u0001"+
+		"\u000e\u0001\u000e\u0001\u000e\u0001\u000e\u0001\u000e\u0001\u000e\u0001"+
+		"\u000e\u0001\u000e\u0001\u000e\u0001\u000e\u0001\u000e\u0001\u000e\u0001"+
+		"\u000e\u0001\u000e\u0001\u000e\u0001\u000e\u0001\u000e\u0001\u000e\u0001"+
+		"\u000e\u0001\u000e\u0001\u000e\u0001\u000e\u0001\u000e\u0001\u000e\u0001"+
+		"\u000e\u0001\u000e\u0001\u000e\u0001\u000e\u0001\u000e\u0001\u000e\u0001"+
+		"\u000e\u0001\u000e\u0001\u000e\u0001\u000e\u0001\u000e\u0001\u000e\u0001"+
+		"\u000e\u0001\u000e\u0001\u000e\u0001\u000e\u0001\u000e\u0001\u000e\u0001"+
+		"\u000e\u0003\u000e\u0116\b\u000e\u0001\u000f\u0001\u000f\u0001\u000f\u0001"+
+		"\u000f\u0001\u000f\u0001\u000f\u0001\u000f\u0001\u000f\u0005\u000f\u0120"+
+		"\b\u000f\n\u000f\f\u000f\u0123\t\u000f\u0003\u000f\u0125\b\u000f\u0001"+
+		"\u000f\u0001\u000f\u0001\u000f\u0001\u0010\u0001\u0010\u0001\u0010\u0001"+
+		"\u0010\u0001\u0010\u0001\u0010\u0001\u0010\u0001\u0010\u0005\u0010\u0132"+
+		"\b\u0010\n\u0010\f\u0010\u0135\t\u0010\u0003\u0010\u0137\b\u0010\u0001"+
+		"\u0010\u0001\u0010\u0001\u0010\u0001\u0011\u0001\u0011\u0001\u0011\u0001"+
+		"\u0011\u0001\u0011\u0001\u0011\u0001\u0011\u0001\u0011\u0001\u0011\u0005"+
+		"\u0011\u0145\b\u0011\n\u0011\f\u0011\u0148\t\u0011\u0003\u0011\u014a\b"+
+		"\u0011\u0001\u0011\u0003\u0011\u014d\b\u0011\u0001\u0011\u0001\u0011\u0001"+
+		"\u0012\u0001\u0012\u0001\u0012\u0001\u0012\u0001\u0012\u0001\u0012\u0001"+
+		"\u0012\u0001\u0012\u0003\u0012\u0159\b\u0012\u0001\u0012\u0001\u0012\u0001"+
+		"\u0012\u0001\u0013\u0001\u0013\u0001\u0013\u0001\u0013\u0001\u0013\u0001"+
+		"\u0013\u0001\u0013\u0001\u0013\u0003\u0013\u0166\b\u0013\u0001\u0013\u0001"+
+		"\u0013\u0001\u0013\u0001\u0013\u0001\u0013\u0001\u0013\u0003\u0013\u016e"+
+		"\b\u0013\u0001\u0014\u0001\u0014\u0001\u0014\u0001\u0014\u0001\u0014\u0001"+
+		"\u0014\u0001\u0014\u0001\u0015\u0001\u0015\u0001\u0015\u0001\u0015\u0001"+
+		"\u0015\u0001\u0015\u0001\u0015\u0001\u0016\u0001\u0016\u0001\u0016\u0001"+
+		"\u0016\u0001\u0016\u0001\u0016\u0001\u0016\u0001\u0016\u0001\u0016\u0001"+
+		"\u0016\u0001\u0016\u0001\u0017\u0001\u0017\u0001\u0017\u0001\u0017\u0001"+
+		"\u0017\u0001\u0017\u0003\u0017\u018f\b\u0017\u0001\u0018\u0001\u0018\u0001"+
+		"\u0018\u0001\u0018\u0001\u0018\u0001\u0019\u0001\u0019\u0001\u0019\u0001"+
+		"\u0019\u0001\u0019\u0001\u0019\u0001\u0019\u0001\u0019\u0001\u0019\u0001"+
+		"\u0019\u0001\u0019\u0001\u0019\u0001\u0019\u0001\u0019\u0001\u0019\u0001"+
+		"\u0019\u0001\u0019\u0001\u0019\u0003\u0019\u01a8\b\u0019\u0001\u0019\u0001"+
+		"\u0019\u0001\u0019\u0001\u0019\u0003\u0019\u01ae\b\u0019\u0001\u0019\u0001"+
+		"\u0019\u0001\u0019\u0001\u0019\u0001\u0019\u0001\u0019\u0001\u0019\u0001"+
+		"\u0019\u0001\u0019\u0001\u0019\u0001\u0019\u0001\u0019\u0001\u0019\u0001"+
+		"\u0019\u0001\u0019\u0001\u0019\u0001\u0019\u0001\u0019\u0001\u0019\u0001"+
+		"\u0019\u0001\u0019\u0001\u0019\u0001\u0019\u0001\u0019\u0001\u0019\u0001"+
+		"\u0019\u0001\u0019\u0001\u0019\u0001\u0019\u0001\u0019\u0001\u0019\u0001"+
+		"\u0019\u0001\u0019\u0003\u0019\u01d1\b\u0019\u0001\u001a\u0001\u001a\u0001"+
+		"\u001a\u0001\u001b\u0001\u001b\u0001\u001b\u0001\u001b\u0001\u001b\u0001"+
+		"\u001b\u0001\u001b\u0001\u001b\u0001\u001b\u0005\u001b\u01df\b\u001b\n"+
+		"\u001b\f\u001b\u01e2\t\u001b\u0003\u001b\u01e4\b\u001b\u0001\u001b\u0003"+
+		"\u001b\u01e7\b\u001b\u0001\u001b\u0001\u001b\u0001\u001c\u0001\u001c\u0001"+
+		"\u001c\u0001\u001c\u0001\u001c\u0001\u001c\u0001\u001c\u0001\u001c\u0005"+
+		"\u001c\u01f3\b\u001c\n\u001c\f\u001c\u01f6\t\u001c\u0003\u001c\u01f8\b"+
 		"\u001c\u0001\u001c\u0001\u001c\u0001\u001c\u0001\u001d\u0001\u001d\u0001"+
+		"\u001d\u0001\u001d\u0001\u001d\u0001\u001d\u0001\u001d\u0005\u001d\u0204"+
+		"\b\u001d\n\u001d\f\u001d\u0207\t\u001d\u0003\u001d\u0209\b\u001d\u0001"+
 		"\u001d\u0001\u001d\u0001\u001e\u0001\u001e\u0001\u001e\u0001\u001e\u0001"+
-		"\u001e\u0001\u001e\u0001\u001e\u0003\u001e\u014f\b\u001e\u0001\u001e\u0003"+
-		"\u001e\u0152\b\u001e\u0001\u001e\u0001\u001e\u0001\u001e\u0001\u001e\u0001"+
-		"\u001e\u0001\u001e\u0001\u001e\u0001\u001e\u0001\u001e\u0001\u001e\u0001"+
-		"\u001e\u0001\u001e\u0001\u001e\u0001\u001e\u0001\u001e\u0001\u001e\u0001"+
-		"\u001e\u0001\u001e\u0001\u001e\u0001\u001e\u0001\u001e\u0003\u001e\u0169"+
-		"\b\u001e\u0001\u001f\u0001\u001f\u0001 \u0001 \u0001 \u0001 \u0001 \u0005"+
-		" \u0172\b \n \f \u0175\t \u0003 \u0177\b \u0001 \u0003 \u017a\b \u0001"+
-		"!\u0001!\u0001!\u0001!\u0005!\u0180\b!\n!\f!\u0183\t!\u0003!\u0185\b!"+
-		"\u0001!\u0001!\u0001\"\u0001\"\u0001\"\u0001\"\u0005\"\u018d\b\"\n\"\f"+
-		"\"\u0190\t\"\u0003\"\u0192\b\"\u0001\"\u0001\"\u0001#\u0001#\u0001#\u0001"+
-		"#\u0001#\u0001#\u0001$\u0001$\u0001$\u0005$\u019f\b$\n$\f$\u01a2\t$\u0001"+
-		"%\u0001%\u0001%\u0001%\u0001%\u0000\u0000&\u0000\u0002\u0004\u0006\b\n"+
-		"\f\u000e\u0010\u0012\u0014\u0016\u0018\u001a\u001c\u001e \"$&(*,.0246"+
-		"8:<>@BDFHJ\u0000\u0003\u0001\u0000\u0003\u0004\u0001\u0000\f\u000e\u0001"+
-		"\u0000\u000f\u0011\u01c8\u0000O\u0001\u0000\u0000\u0000\u0002U\u0001\u0000"+
-		"\u0000\u0000\u0004b\u0001\u0000\u0000\u0000\u0006g\u0001\u0000\u0000\u0000"+
-		"\bi\u0001\u0000\u0000\u0000\nl\u0001\u0000\u0000\u0000\fv\u0001\u0000"+
-		"\u0000\u0000\u000e|\u0001\u0000\u0000\u0000\u0010\u0087\u0001\u0000\u0000"+
-		"\u0000\u0012\u008f\u0001\u0000\u0000\u0000\u0014\u0093\u0001\u0000\u0000"+
-		"\u0000\u0016\u009a\u0001\u0000\u0000\u0000\u0018\u00a0\u0001\u0000\u0000"+
-		"\u0000\u001a\u00a2\u0001\u0000\u0000\u0000\u001c\u00a5\u0001\u0000\u0000"+
-		"\u0000\u001e\u00aa\u0001\u0000\u0000\u0000 \u00ac\u0001\u0000\u0000\u0000"+
-		"\"\u00b5\u0001\u0000\u0000\u0000$\u00cd\u0001\u0000\u0000\u0000&\u00ea"+
-		"\u0001\u0000\u0000\u0000(\u00ec\u0001\u0000\u0000\u0000*\u00f9\u0001\u0000"+
-		"\u0000\u0000,\u0106\u0001\u0000\u0000\u0000.\u0115\u0001\u0000\u0000\u0000"+
-		"0\u0127\u0001\u0000\u0000\u00002\u0129\u0001\u0000\u0000\u00004\u012f"+
-		"\u0001\u0000\u0000\u00006\u0135\u0001\u0000\u0000\u00008\u013f\u0001\u0000"+
-		"\u0000\u0000:\u0143\u0001\u0000\u0000\u0000<\u0168\u0001\u0000\u0000\u0000"+
-		">\u016a\u0001\u0000\u0000\u0000@\u016c\u0001\u0000\u0000\u0000B\u017b"+
-		"\u0001\u0000\u0000\u0000D\u0188\u0001\u0000\u0000\u0000F\u0195\u0001\u0000"+
-		"\u0000\u0000H\u019b\u0001\u0000\u0000\u0000J\u01a3\u0001\u0000\u0000\u0000"+
-		"LN\u0003\u0002\u0001\u0000ML\u0001\u0000\u0000\u0000NQ\u0001\u0000\u0000"+
-		"\u0000OM\u0001\u0000\u0000\u0000OP\u0001\u0000\u0000\u0000PR\u0001\u0000"+
-		"\u0000\u0000QO\u0001\u0000\u0000\u0000RS\u0003\u0004\u0002\u0000ST\u0005"+
-		"\u0000\u0000\u0001T\u0001\u0001\u0000\u0000\u0000UV\u0005\u0001\u0000"+
-		"\u0000VW\u00054\u0000\u0000WX\u0005\u0002\u0000\u0000X\u0003\u0001\u0000"+
-		"\u0000\u0000Y[\u0003\u0006\u0003\u0000ZY\u0001\u0000\u0000\u0000[\\\u0001"+
-		"\u0000\u0000\u0000\\Z\u0001\u0000\u0000\u0000\\]\u0001\u0000\u0000\u0000"+
-		"]_\u0001\u0000\u0000\u0000^`\u0003\u001c\u000e\u0000_^\u0001\u0000\u0000"+
-		"\u0000_`\u0001\u0000\u0000\u0000`c\u0001\u0000\u0000\u0000ac\u0003\u001c"+
-		"\u000e\u0000bZ\u0001\u0000\u0000\u0000ba\u0001\u0000\u0000\u0000c\u0005"+
-		"\u0001\u0000\u0000\u0000dh\u0003\b\u0004\u0000eh\u0003\u000e\u0007\u0000"+
-		"fh\u0003\u0014\n\u0000gd\u0001\u0000\u0000\u0000ge\u0001\u0000\u0000\u0000"+
-		"gf\u0001\u0000\u0000\u0000h\u0007\u0001\u0000\u0000\u0000ij\u0007\u0000"+
-		"\u0000\u0000jk\u0003\n\u0005\u0000k\t\u0001\u0000\u0000\u0000lq\u0003"+
-		"\f\u0006\u0000mn\u0005\u0005\u0000\u0000np\u0003\f\u0006\u0000om\u0001"+
-		"\u0000\u0000\u0000ps\u0001\u0000\u0000\u0000qo\u0001\u0000\u0000\u0000"+
-		"qr\u0001\u0000\u0000\u0000rt\u0001\u0000\u0000\u0000sq\u0001\u0000\u0000"+
-		"\u0000tu\u0005\u0002\u0000\u0000u\u000b\u0001\u0000\u0000\u0000vy\u0005"+
-		"5\u0000\u0000wx\u0005\u0006\u0000\u0000xz\u0003\u001e\u000f\u0000yw\u0001"+
-		"\u0000\u0000\u0000yz\u0001\u0000\u0000\u0000z\r\u0001\u0000\u0000\u0000"+
-		"{}\u0005\u0004\u0000\u0000|{\u0001\u0000\u0000\u0000|}\u0001\u0000\u0000"+
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-		"\u01a5\u01a6\u0003\u0004\u0002\u0000\u01a6K\u0001\u0000\u0000\u0000\'"+
-		"O\\_bgqy|\u0082\u008c\u009a\u00a8\u00b1\u00b5\u00bb\u00c4\u00cd\u00ea"+
-		"\u00f2\u00f5\u00ff\u0102\u010d\u0110\u0113\u011a\u0123\u0127\u014e\u0151"+
-		"\u0168\u0173\u0176\u0179\u0181\u0184\u018e\u0191\u01a0";
+		"\u001e\u0001\u001e\u0001\u001e\u0001\u001f\u0001\u001f\u0001\u001f\u0001"+
+		"\u001f\u0001\u001f\u0001\u001f\u0001\u001f\u0005\u001f\u021b\b\u001f\n"+
+		"\u001f\f\u001f\u021e\t\u001f\u0001 \u0001 \u0001 \u0001 \u0001 \u0001"+
+		" \u0001!\u0001!\u0001!\u0001!\u0003!\u022a\b!\u0001!\u0000\u0000\"\u0000"+
+		"\u0002\u0004\u0006\b\n\f\u000e\u0010\u0012\u0014\u0016\u0018\u001a\u001c"+
+		"\u001e \"$&(*,.02468:<>@B\u0000\u0000\u0251\u0000D\u0001\u0000\u0000\u0000"+
+		"\u0002Z\u0001\u0000\u0000\u0000\u0004b\u0001\u0000\u0000\u0000\u0006d"+
+		"\u0001\u0000\u0000\u0000\bm\u0001\u0000\u0000\u0000\nz\u0001\u0000\u0000"+
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+		"\u0010\u009d\u0001\u0000\u0000\u0000\u0012\u00a2\u0001\u0000\u0000\u0000"+
+		"\u0014\u00aa\u0001\u0000\u0000\u0000\u0016\u00ad\u0001\u0000\u0000\u0000"+
+		"\u0018\u00b8\u0001\u0000\u0000\u0000\u001a\u00dd\u0001\u0000\u0000\u0000"+
+		"\u001c\u0115\u0001\u0000\u0000\u0000\u001e\u0117\u0001\u0000\u0000\u0000"+
+		" \u0129\u0001\u0000\u0000\u0000\"\u013b\u0001\u0000\u0000\u0000$\u0150"+
+		"\u0001\u0000\u0000\u0000&\u016d\u0001\u0000\u0000\u0000(\u016f\u0001\u0000"+
+		"\u0000\u0000*\u0176\u0001\u0000\u0000\u0000,\u017d\u0001\u0000\u0000\u0000"+
+		".\u018e\u0001\u0000\u0000\u00000\u0190\u0001\u0000\u0000\u00002\u01d0"+
+		"\u0001\u0000\u0000\u00004\u01d2\u0001\u0000\u0000\u00006\u01d5\u0001\u0000"+
+		"\u0000\u00008\u01ea\u0001\u0000\u0000\u0000:\u01fc\u0001\u0000\u0000\u0000"+
+		"<\u020c\u0001\u0000\u0000\u0000>\u0213\u0001\u0000\u0000\u0000@\u021f"+
+		"\u0001\u0000\u0000\u0000B\u0229\u0001\u0000\u0000\u0000DE\u0003\u0002"+
+		"\u0001\u0000EF\u0006\u0000\uffff\uffff\u0000FG\u0005\u0000\u0000\u0001"+
+		"G\u0001\u0001\u0000\u0000\u0000HI\u0003\u0004\u0002\u0000IO\u0006\u0001"+
+		"\uffff\uffff\u0000JK\u0003\u0004\u0002\u0000KL\u0006\u0001\uffff\uffff"+
+		"\u0000LN\u0001\u0000\u0000\u0000MJ\u0001\u0000\u0000\u0000NQ\u0001\u0000"+
+		"\u0000\u0000OM\u0001\u0000\u0000\u0000OP\u0001\u0000\u0000\u0000PU\u0001"+
+		"\u0000\u0000\u0000QO\u0001\u0000\u0000\u0000RS\u0003\u0012\t\u0000ST\u0006"+
+		"\u0001\uffff\uffff\u0000TV\u0001\u0000\u0000\u0000UR\u0001\u0000\u0000"+
+		"\u0000UV\u0001\u0000\u0000\u0000V[\u0001\u0000\u0000\u0000WX\u0003\u0012"+
+		"\t\u0000XY\u0006\u0001\uffff\uffff\u0000Y[\u0001\u0000\u0000\u0000ZH\u0001"+
+		"\u0000\u0000\u0000ZW\u0001\u0000\u0000\u0000[\u0003\u0001\u0000\u0000"+
+		"\u0000\\]\u0003\u0006\u0003\u0000]^\u0006\u0002\uffff\uffff\u0000^c\u0001"+
+		"\u0000\u0000\u0000_`\u0003\f\u0006\u0000`a\u0006\u0002\uffff\uffff\u0000"+
+		"ac\u0001\u0000\u0000\u0000b\\\u0001\u0000\u0000\u0000b_\u0001\u0000\u0000"+
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+		"\uffff\u0000he\u0001\u0000\u0000\u0000hf\u0001\u0000\u0000\u0000ij\u0001"+
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+		"l\u0007\u0001\u0000\u0000\u0000mn\u0003\n\u0005\u0000nu\u0006\u0004\uffff"+
+		"\uffff\u0000op\u0005\u0003\u0000\u0000pq\u0003\n\u0005\u0000qr\u0006\u0004"+
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+		"tw\u0001\u0000\u0000\u0000us\u0001\u0000\u0000\u0000uv\u0001\u0000\u0000"+
+		"\u0000vx\u0001\u0000\u0000\u0000wu\u0001\u0000\u0000\u0000xy\u0005\u0004"+
+		"\u0000\u0000y\t\u0001\u0000\u0000\u0000z{\u0006\u0005\uffff\uffff\u0000"+
+		"{|\u0005.\u0000\u0000|\u0081\u0006\u0005\uffff\uffff\u0000}~\u0005\u0005"+
+		"\u0000\u0000~\u007f\u0003\u0014\n\u0000\u007f\u0080\u0006\u0005\uffff"+
+		"\uffff\u0000\u0080\u0082\u0001\u0000\u0000\u0000\u0081}\u0001\u0000\u0000"+
+		"\u0000\u0081\u0082\u0001\u0000\u0000\u0000\u0082\u000b\u0001\u0000\u0000"+
+		"\u0000\u0083\u0086\u0006\u0006\uffff\uffff\u0000\u0084\u0085\u0005\u0002"+
+		"\u0000\u0000\u0085\u0087\u0006\u0006\uffff\uffff\u0000\u0086\u0084\u0001"+
+		"\u0000\u0000\u0000\u0086\u0087\u0001\u0000\u0000\u0000\u0087\u0088\u0001"+
+		"\u0000\u0000\u0000\u0088\u0089\u0005\u0006\u0000\u0000\u0089\u008a\u0005"+
+		".\u0000\u0000\u008a\u008c\u0005\u0007\u0000\u0000\u008b\u008d\u0003\u000e"+
+		"\u0007\u0000\u008c\u008b\u0001\u0000\u0000\u0000\u008c\u008d\u0001\u0000"+
+		"\u0000\u0000\u008d\u008e\u0001\u0000\u0000\u0000\u008e\u008f\u0005\b\u0000"+
+		"\u0000\u008f\u0090\u0003\u0010\b\u0000\u0090\u0091\u0006\u0006\uffff\uffff"+
+		"\u0000\u0091\r\u0001\u0000\u0000\u0000\u0092\u0093\u0006\u0007\uffff\uffff"+
+		"\u0000\u0093\u0094\u0005.\u0000\u0000\u0094\u009a\u0006\u0007\uffff\uffff"+
+		"\u0000\u0095\u0096\u0005\u0003\u0000\u0000\u0096\u0097\u0005.\u0000\u0000"+
+		"\u0097\u0099\u0006\u0007\uffff\uffff\u0000\u0098\u0095\u0001\u0000\u0000"+
+		"\u0000\u0099\u009c\u0001\u0000\u0000\u0000\u009a\u0098\u0001\u0000\u0000"+
+		"\u0000\u009a\u009b\u0001\u0000\u0000\u0000\u009b\u000f\u0001\u0000\u0000"+
+		"\u0000\u009c\u009a\u0001\u0000\u0000\u0000\u009d\u009e\u0005\t\u0000\u0000"+
+		"\u009e\u009f\u0003\u0002\u0001\u0000\u009f\u00a0\u0006\b\uffff\uffff\u0000"+
+		"\u00a0\u00a1\u0005\n\u0000\u0000\u00a1\u0011\u0001\u0000\u0000\u0000\u00a2"+
+		"\u00a3\u0003\u0014\n\u0000\u00a3\u00a8\u0006\t\uffff\uffff\u0000\u00a4"+
+		"\u00a5\u0005\u0004\u0000\u0000\u00a5\u00a6\u0003\u0012\t\u0000\u00a6\u00a7"+
+		"\u0006\t\uffff\uffff\u0000\u00a7\u00a9\u0001\u0000\u0000\u0000\u00a8\u00a4"+
+		"\u0001\u0000\u0000\u0000\u00a8\u00a9\u0001\u0000\u0000\u0000\u00a9\u0013"+
+		"\u0001\u0000\u0000\u0000\u00aa\u00ab\u0003\u0016\u000b\u0000\u00ab\u00ac"+
+		"\u0006\n\uffff\uffff\u0000\u00ac\u0015\u0001\u0000\u0000\u0000\u00ad\u00ae"+
+		"\u0003\u0018\f\u0000\u00ae\u00b5\u0006\u000b\uffff\uffff\u0000\u00af\u00b0"+
+		"\u0003B!\u0000\u00b0\u00b1\u0003\u0018\f\u0000\u00b1\u00b2\u0006\u000b"+
+		"\uffff\uffff\u0000\u00b2\u00b4\u0001\u0000\u0000\u0000\u00b3\u00af\u0001"+
+		"\u0000\u0000\u0000\u00b4\u00b7\u0001\u0000\u0000\u0000\u00b5\u00b3\u0001"+
+		"\u0000\u0000\u0000\u00b5\u00b6\u0001\u0000\u0000\u0000\u00b6\u0017\u0001"+
+		"\u0000\u0000\u0000\u00b7\u00b5\u0001\u0000\u0000\u0000\u00b8\u00bb\u0006"+
+		"\f\uffff\uffff\u0000\u00b9\u00ba\u0005+\u0000\u0000\u00ba\u00bc\u0006"+
+		"\f\uffff\uffff\u0000\u00bb\u00b9\u0001\u0000\u0000\u0000\u00bb\u00bc\u0001"+
+		"\u0000\u0000\u0000\u00bc\u00bd\u0001\u0000\u0000\u0000\u00bd\u00be\u0003"+
+		"\u001c\u000e\u0000\u00be\u00c4\u0006\f\uffff\uffff\u0000\u00bf\u00c0\u0003"+
+		"\u001a\r\u0000\u00c0\u00c1\u0006\f\uffff\uffff\u0000\u00c1\u00c3\u0001"+
+		"\u0000\u0000\u0000\u00c2\u00bf\u0001\u0000\u0000\u0000\u00c3\u00c6\u0001"+
+		"\u0000\u0000\u0000\u00c4\u00c2\u0001\u0000\u0000\u0000\u00c4\u00c5\u0001"+
+		"\u0000\u0000\u0000\u00c5\u0019\u0001\u0000\u0000\u0000\u00c6\u00c4\u0001"+
+		"\u0000\u0000\u0000\u00c7\u00c8\u0006\r\uffff\uffff\u0000\u00c8\u00c9\u0005"+
+		"\u0007\u0000\u0000\u00c9\u00ca\u0003\u0012\t\u0000\u00ca\u00d1\u0006\r"+
+		"\uffff\uffff\u0000\u00cb\u00cc\u0005\u0003\u0000\u0000\u00cc\u00cd\u0003"+
+		"\u0012\t\u0000\u00cd\u00ce\u0006\r\uffff\uffff\u0000\u00ce\u00d0\u0001"+
+		"\u0000\u0000\u0000\u00cf\u00cb\u0001\u0000\u0000\u0000\u00d0\u00d3\u0001"+
+		"\u0000\u0000\u0000\u00d1\u00cf\u0001\u0000\u0000\u0000\u00d1\u00d2\u0001"+
+		"\u0000\u0000\u0000\u00d2\u00d4\u0001\u0000\u0000\u0000\u00d3\u00d1\u0001"+
+		"\u0000\u0000\u0000\u00d4\u00d5\u0005\b\u0000\u0000\u00d5\u00de\u0001\u0000"+
+		"\u0000\u0000\u00d6\u00d7\u0005\u0007\u0000\u0000\u00d7\u00de\u0005\b\u0000"+
+		"\u0000\u00d8\u00d9\u0005\u000b\u0000\u0000\u00d9\u00da\u0003\u0012\t\u0000"+
+		"\u00da\u00db\u0006\r\uffff\uffff\u0000\u00db\u00dc\u0005\f\u0000\u0000"+
+		"\u00dc\u00de\u0001\u0000\u0000\u0000\u00dd\u00c7\u0001\u0000\u0000\u0000"+
+		"\u00dd\u00d6\u0001\u0000\u0000\u0000\u00dd\u00d8\u0001\u0000\u0000\u0000"+
+		"\u00de\u001b\u0001\u0000\u0000\u0000\u00df\u00e0\u00051\u0000\u0000\u00e0"+
+		"\u0116\u0006\u000e\uffff\uffff\u0000\u00e1\u00e2\u00050\u0000\u0000\u00e2"+
+		"\u0116\u0006\u000e\uffff\uffff\u0000\u00e3\u00e4\u0005/\u0000\u0000\u00e4"+
+		"\u0116\u0006\u000e\uffff\uffff\u0000\u00e5\u00e6\u0005.\u0000\u0000\u00e6"+
+		"\u0116\u0006\u000e\uffff\uffff\u0000\u00e7\u00e8\u0005\r\u0000\u0000\u00e8"+
+		"\u0116\u0006\u000e\uffff\uffff\u0000\u00e9\u00ea\u0005\u000e\u0000\u0000"+
+		"\u00ea\u0116\u0006\u000e\uffff\uffff\u0000\u00eb\u00ec\u0005\u000f\u0000"+
+		"\u0000\u00ec\u00ed\u0003B!\u0000\u00ed\u00ee\u0006\u000e\uffff\uffff\u0000"+
+		"\u00ee\u0116\u0001\u0000\u0000\u0000\u00ef\u00f0\u0005\u0006\u0000\u0000"+
+		"\u00f0\u00f1\u0005\u0007\u0000\u0000\u00f1\u00f2\u0003\u000e\u0007\u0000"+
+		"\u00f2\u00f3\u0005\b\u0000\u0000\u00f3\u00f4\u0003\u0010\b\u0000\u00f4"+
+		"\u00f5\u0006\u000e\uffff\uffff\u0000\u00f5\u0116\u0001\u0000\u0000\u0000"+
+		"\u00f6\u00f7\u0005\u0010\u0000\u0000\u00f7\u0116\u0006\u000e\uffff\uffff"+
+		"\u0000\u00f8\u00f9\u0005\u0007\u0000\u0000\u00f9\u00fa\u0003\u0002\u0001"+
+		"\u0000\u00fa\u00fb\u0005\b\u0000\u0000\u00fb\u00fc\u0006\u000e\uffff\uffff"+
+		"\u0000\u00fc\u0116\u0001\u0000\u0000\u0000\u00fd\u00fe\u0003 \u0010\u0000"+
+		"\u00fe\u00ff\u0006\u000e\uffff\uffff\u0000\u00ff\u0116\u0001\u0000\u0000"+
+		"\u0000\u0100\u0101\u0003\u001e\u000f\u0000\u0101\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\u010b\u0116\u0001\u0000"+
+		"\u0000\u0000\u010c\u010d\u0003*\u0015\u0000\u010d\u010e\u0006\u000e\uffff"+
+		"\uffff\u0000\u010e\u0116\u0001\u0000\u0000\u0000\u010f\u0110\u0003,\u0016"+
+		"\u0000\u0110\u0111\u0006\u000e\uffff\uffff\u0000\u0111\u0116\u0001\u0000"+
+		"\u0000\u0000\u0112\u0113\u0003<\u001e\u0000\u0113\u0114\u0006\u000e\uffff"+
+		"\uffff\u0000\u0114\u0116\u0001\u0000\u0000\u0000\u0115\u00df\u0001\u0000"+
+		"\u0000\u0000\u0115\u00e1\u0001\u0000\u0000\u0000\u0115\u00e3\u0001\u0000"+
+		"\u0000\u0000\u0115\u00e5\u0001\u0000\u0000\u0000\u0115\u00e7\u0001\u0000"+
+		"\u0000\u0000\u0115\u00e9\u0001\u0000\u0000\u0000\u0115\u00eb\u0001\u0000"+
+		"\u0000\u0000\u0115\u00ef\u0001\u0000\u0000\u0000\u0115\u00f6\u0001\u0000"+
+		"\u0000\u0000\u0115\u00f8\u0001\u0000\u0000\u0000\u0115\u00fd\u0001\u0000"+
+		"\u0000\u0000\u0115\u0100\u0001\u0000\u0000\u0000\u0115\u0103\u0001\u0000"+
+		"\u0000\u0000\u0115\u0106\u0001\u0000\u0000\u0000\u0115\u0109\u0001\u0000"+
+		"\u0000\u0000\u0115\u010c\u0001\u0000\u0000\u0000\u0115\u010f\u0001\u0000"+
+		"\u0000\u0000\u0115\u0112\u0001\u0000\u0000\u0000\u0116\u001d\u0001\u0000"+
+		"\u0000\u0000\u0117\u0118\u0006\u000f\uffff\uffff\u0000\u0118\u0124\u0005"+
+		"\u000b\u0000\u0000\u0119\u011a\u0003\u0012\t\u0000\u011a\u0121\u0006\u000f"+
+		"\uffff\uffff\u0000\u011b\u011c\u0005\u0003\u0000\u0000\u011c\u011d\u0003"+
+		"\u0012\t\u0000\u011d\u011e\u0006\u000f\uffff\uffff\u0000\u011e\u0120\u0001"+
+		"\u0000\u0000\u0000\u011f\u011b\u0001\u0000\u0000\u0000\u0120\u0123\u0001"+
+		"\u0000\u0000\u0000\u0121\u011f\u0001\u0000\u0000\u0000\u0121\u0122\u0001"+
+		"\u0000\u0000\u0000\u0122\u0125\u0001\u0000\u0000\u0000\u0123\u0121\u0001"+
+		"\u0000\u0000\u0000\u0124\u0119\u0001\u0000\u0000\u0000\u0124\u0125\u0001"+
+		"\u0000\u0000\u0000\u0125\u0126\u0001\u0000\u0000\u0000\u0126\u0127\u0005"+
+		"\f\u0000\u0000\u0127\u0128\u0006\u000f\uffff\uffff\u0000\u0128\u001f\u0001"+
+		"\u0000\u0000\u0000\u0129\u012a\u0006\u0010\uffff\uffff\u0000\u012a\u0136"+
+		"\u0005\t\u0000\u0000\u012b\u012c\u0003\u0012\t\u0000\u012c\u0133\u0006"+
+		"\u0010\uffff\uffff\u0000\u012d\u012e\u0005\u0003\u0000\u0000\u012e\u012f"+
+		"\u0003\u0012\t\u0000\u012f\u0130\u0006\u0010\uffff\uffff\u0000\u0130\u0132"+
+		"\u0001\u0000\u0000\u0000\u0131\u012d\u0001\u0000\u0000\u0000\u0132\u0135"+
+		"\u0001\u0000\u0000\u0000\u0133\u0131\u0001\u0000\u0000\u0000\u0133\u0134"+
+		"\u0001\u0000\u0000\u0000\u0134\u0137\u0001\u0000\u0000\u0000\u0135\u0133"+
+		"\u0001\u0000\u0000\u0000\u0136\u012b\u0001\u0000\u0000\u0000\u0136\u0137"+
+		"\u0001\u0000\u0000\u0000\u0137\u0138\u0001\u0000\u0000\u0000\u0138\u0139"+
+		"\u0005\n\u0000\u0000\u0139\u013a\u0006\u0010\uffff\uffff\u0000\u013a!"+
+		"\u0001\u0000\u0000\u0000\u013b\u013c\u0006\u0011\uffff\uffff\u0000\u013c"+
+		"\u014c\u0005-\u0000\u0000\u013d\u0149\u0005\u0007\u0000\u0000\u013e\u013f"+
+		"\u0003\u0012\t\u0000\u013f\u0146\u0006\u0011\uffff\uffff\u0000\u0140\u0141"+
+		"\u0005\u0003\u0000\u0000\u0141\u0142\u0003\u0012\t\u0000\u0142\u0143\u0006"+
+		"\u0011\uffff\uffff\u0000\u0143\u0145\u0001\u0000\u0000\u0000\u0144\u0140"+
+		"\u0001\u0000\u0000\u0000\u0145\u0148\u0001\u0000\u0000\u0000\u0146\u0144"+
+		"\u0001\u0000\u0000\u0000\u0146\u0147\u0001\u0000\u0000\u0000\u0147\u014a"+
+		"\u0001\u0000\u0000\u0000\u0148\u0146\u0001\u0000\u0000\u0000\u0149\u013e"+
+		"\u0001\u0000\u0000\u0000\u0149\u014a\u0001\u0000\u0000\u0000\u014a\u014b"+
+		"\u0001\u0000\u0000\u0000\u014b\u014d\u0005\b\u0000\u0000\u014c\u013d\u0001"+
+		"\u0000\u0000\u0000\u014c\u014d\u0001\u0000\u0000\u0000\u014d\u014e\u0001"+
+		"\u0000\u0000\u0000\u014e\u014f\u0006\u0011\uffff\uffff\u0000\u014f#\u0001"+
+		"\u0000\u0000\u0000\u0150\u0151\u0006\u0012\uffff\uffff\u0000\u0151\u0152"+
+		"\u0005\u0011\u0000\u0000\u0152\u0153\u0003\u0012\t\u0000\u0153\u0154\u0005"+
+		"\u0012\u0000\u0000\u0154\u0158\u0003\u0002\u0001\u0000\u0155\u0156\u0003"+
+		"&\u0013\u0000\u0156\u0157\u0006\u0012\uffff\uffff\u0000\u0157\u0159\u0001"+
+		"\u0000\u0000\u0000\u0158\u0155\u0001\u0000\u0000\u0000\u0158\u0159\u0001"+
+		"\u0000\u0000\u0000\u0159\u015a\u0001\u0000\u0000\u0000\u015a\u015b\u0005"+
+		"\u0013\u0000\u0000\u015b\u015c\u0006\u0012\uffff\uffff\u0000\u015c%\u0001"+
+		"\u0000\u0000\u0000\u015d\u015e\u0005\u0014\u0000\u0000\u015e\u015f\u0006"+
+		"\u0013\uffff\uffff\u0000\u015f\u0160\u0003\u0012\t\u0000\u0160\u0161\u0005"+
+		"\u0012\u0000\u0000\u0161\u0165\u0003\u0002\u0001\u0000\u0162\u0163\u0003"+
+		"&\u0013\u0000\u0163\u0164\u0006\u0013\uffff\uffff\u0000\u0164\u0166\u0001"+
+		"\u0000\u0000\u0000\u0165\u0162\u0001\u0000\u0000\u0000\u0165\u0166\u0001"+
+		"\u0000\u0000\u0000\u0166\u0167\u0001\u0000\u0000\u0000\u0167\u0168\u0006"+
+		"\u0013\uffff\uffff\u0000\u0168\u016e\u0001\u0000\u0000\u0000\u0169\u016a"+
+		"\u0005\u0015\u0000\u0000\u016a\u016b\u0003\u0002\u0001\u0000\u016b\u016c"+
+		"\u0006\u0013\uffff\uffff\u0000\u016c\u016e\u0001\u0000\u0000\u0000\u016d"+
+		"\u015d\u0001\u0000\u0000\u0000\u016d\u0169\u0001\u0000\u0000\u0000\u016e"+
+		"\'\u0001\u0000\u0000\u0000\u016f\u0170\u0005\u0016\u0000\u0000\u0170\u0171"+
+		"\u0003\u0012\t\u0000\u0171\u0172\u0005\u0017\u0000\u0000\u0172\u0173\u0003"+
+		"\u0002\u0001\u0000\u0173\u0174\u0005\u0018\u0000\u0000\u0174\u0175\u0006"+
+		"\u0014\uffff\uffff\u0000\u0175)\u0001\u0000\u0000\u0000\u0176\u0177\u0005"+
+		"\u0017\u0000\u0000\u0177\u0178\u0003\u0002\u0001\u0000\u0178\u0179\u0005"+
+		"\u0016\u0000\u0000\u0179\u017a\u0003\u0012\t\u0000\u017a\u017b\u0005\u0018"+
+		"\u0000\u0000\u017b\u017c\u0006\u0015\uffff\uffff\u0000\u017c+\u0001\u0000"+
+		"\u0000\u0000\u017d\u017e\u0005\u0019\u0000\u0000\u017e\u017f\u0003\u0002"+
+		"\u0001\u0000\u017f\u0180\u0005\u0003\u0000\u0000\u0180\u0181\u0003\u0012"+
+		"\t\u0000\u0181\u0182\u0005\u0003\u0000\u0000\u0182\u0183\u0003\u0012\t"+
+		"\u0000\u0183\u0184\u0005\u0017\u0000\u0000\u0184\u0185\u0003\u0002\u0001"+
+		"\u0000\u0185\u0186\u0005\u0018\u0000\u0000\u0186\u0187\u0006\u0016\uffff"+
+		"\uffff\u0000\u0187-\u0001\u0000\u0000\u0000\u0188\u0189\u00030\u0018\u0000"+
+		"\u0189\u018a\u0006\u0017\uffff\uffff\u0000\u018a\u018f\u0001\u0000\u0000"+
+		"\u0000\u018b\u018c\u00032\u0019\u0000\u018c\u018d\u0006\u0017\uffff\uffff"+
+		"\u0000\u018d\u018f\u0001\u0000\u0000\u0000\u018e\u0188\u0001\u0000\u0000"+
+		"\u0000\u018e\u018b\u0001\u0000\u0000\u0000\u018f/\u0001\u0000\u0000\u0000"+
+		"\u0190\u0191\u00032\u0019\u0000\u0191\u0192\u0005\u001a\u0000\u0000\u0192"+
+		"\u0193\u0003.\u0017\u0000\u0193\u0194\u0006\u0018\uffff\uffff\u0000\u0194"+
+		"1\u0001\u0000\u0000\u0000\u0195\u0196\u00034\u001a\u0000\u0196\u0197\u0006"+
+		"\u0019\uffff\uffff\u0000\u0197\u01d1\u0001\u0000\u0000\u0000\u0198\u0199"+
+		"\u00036\u001b\u0000\u0199\u019a\u0006\u0019\uffff\uffff\u0000\u019a\u01d1"+
+		"\u0001\u0000\u0000\u0000\u019b\u019c\u00038\u001c\u0000\u019c\u019d\u0006"+
+		"\u0019\uffff\uffff\u0000\u019d\u01d1\u0001\u0000\u0000\u0000\u019e\u019f"+
+		"\u0003:\u001d\u0000\u019f\u01a0\u0006\u0019\uffff\uffff\u0000\u01a0\u01d1"+
+		"\u0001\u0000\u0000\u0000\u01a1\u01a2\u0005.\u0000\u0000\u01a2\u01a7\u0006"+
+		"\u0019\uffff\uffff\u0000\u01a3\u01a4\u0005\u001b\u0000\u0000\u01a4\u01a5"+
+		"\u0003.\u0017\u0000\u01a5\u01a6\u0006\u0019\uffff\uffff\u0000\u01a6\u01a8"+
+		"\u0001\u0000\u0000\u0000\u01a7\u01a3\u0001\u0000\u0000\u0000\u01a7\u01a8"+
+		"\u0001\u0000\u0000\u0000\u01a8\u01a9\u0001\u0000\u0000\u0000\u01a9\u01d1"+
+		"\u0006\u0019\uffff\uffff\u0000\u01aa\u01ad\u0006\u0019\uffff\uffff\u0000"+
+		"\u01ab\u01ac\u0005+\u0000\u0000\u01ac\u01ae\u0006\u0019\uffff\uffff\u0000"+
+		"\u01ad\u01ab\u0001\u0000\u0000\u0000\u01ad\u01ae\u0001\u0000\u0000\u0000"+
+		"\u01ae\u01af\u0001\u0000\u0000\u0000\u01af\u01b0\u00051\u0000\u0000\u01b0"+
+		"\u01d1\u0006\u0019\uffff\uffff\u0000\u01b1\u01b2\u00050\u0000\u0000\u01b2"+
+		"\u01d1\u0006\u0019\uffff\uffff\u0000\u01b3\u01b4\u0005/\u0000\u0000\u01b4"+
+		"\u01d1\u0006\u0019\uffff\uffff\u0000\u01b5\u01b6\u0005\r\u0000\u0000\u01b6"+
+		"\u01d1\u0006\u0019\uffff\uffff\u0000\u01b7\u01b8\u0005\u000e\u0000\u0000"+
+		"\u01b8\u01d1\u0006\u0019\uffff\uffff\u0000\u01b9\u01ba\u0005\u001c\u0000"+
+		"\u0000\u01ba\u01bb\u0005\u001d\u0000\u0000\u01bb\u01d1\u0006\u0019\uffff"+
+		"\uffff\u0000\u01bc\u01bd\u0005\u001c\u0000\u0000\u01bd\u01be\u0005\u001e"+
+		"\u0000\u0000\u01be\u01d1\u0006\u0019\uffff\uffff\u0000\u01bf\u01c0\u0005"+
+		"\u001c\u0000\u0000\u01c0\u01c1\u0005\u001f\u0000\u0000\u01c1\u01d1\u0006"+
+		"\u0019\uffff\uffff\u0000\u01c2\u01c3\u0005\u001c\u0000\u0000\u01c3\u01c4"+
+		"\u0005 \u0000\u0000\u01c4\u01d1\u0006\u0019\uffff\uffff\u0000\u01c5\u01c6"+
+		"\u0005\u001c\u0000\u0000\u01c6\u01c7\u0005!\u0000\u0000\u01c7\u01d1\u0006"+
+		"\u0019\uffff\uffff\u0000\u01c8\u01c9\u0005\u001c\u0000\u0000\u01c9\u01ca"+
+		"\u0005\u0006\u0000\u0000\u01ca\u01d1\u0006\u0019\uffff\uffff\u0000\u01cb"+
+		"\u01cc\u0005\u0007\u0000\u0000\u01cc\u01cd\u0003.\u0017\u0000\u01cd\u01ce"+
+		"\u0005\b\u0000\u0000\u01ce\u01cf\u0006\u0019\uffff\uffff\u0000\u01cf\u01d1"+
+		"\u0001\u0000\u0000\u0000\u01d0\u0195\u0001\u0000\u0000\u0000\u01d0\u0198"+
+		"\u0001\u0000\u0000\u0000\u01d0\u019b\u0001\u0000\u0000\u0000\u01d0\u019e"+
+		"\u0001\u0000\u0000\u0000\u01d0\u01a1\u0001\u0000\u0000\u0000\u01d0\u01aa"+
+		"\u0001\u0000\u0000\u0000\u01d0\u01b1\u0001\u0000\u0000\u0000\u01d0\u01b3"+
+		"\u0001\u0000\u0000\u0000\u01d0\u01b5\u0001\u0000\u0000\u0000\u01d0\u01b7"+
+		"\u0001\u0000\u0000\u0000\u01d0\u01b9\u0001\u0000\u0000\u0000\u01d0\u01bc"+
+		"\u0001\u0000\u0000\u0000\u01d0\u01bf\u0001\u0000\u0000\u0000\u01d0\u01c2"+
+		"\u0001\u0000\u0000\u0000\u01d0\u01c5\u0001\u0000\u0000\u0000\u01d0\u01c8"+
+		"\u0001\u0000\u0000\u0000\u01d0\u01cb\u0001\u0000\u0000\u0000\u01d13\u0001"+
+		"\u0000\u0000\u0000\u01d2\u01d3\u0005\"\u0000\u0000\u01d3\u01d4\u0006\u001a"+
+		"\uffff\uffff\u0000\u01d45\u0001\u0000\u0000\u0000\u01d5\u01d6\u0006\u001b"+
+		"\uffff\uffff\u0000\u01d6\u01e6\u0005-\u0000\u0000\u01d7\u01e3\u0005\u0007"+
+		"\u0000\u0000\u01d8\u01d9\u0003.\u0017\u0000\u01d9\u01e0\u0006\u001b\uffff"+
+		"\uffff\u0000\u01da\u01db\u0005\u0003\u0000\u0000\u01db\u01dc\u0003.\u0017"+
+		"\u0000\u01dc\u01dd\u0006\u001b\uffff\uffff\u0000\u01dd\u01df\u0001\u0000"+
+		"\u0000\u0000\u01de\u01da\u0001\u0000\u0000\u0000\u01df\u01e2\u0001\u0000"+
+		"\u0000\u0000\u01e0\u01de\u0001\u0000\u0000\u0000\u01e0\u01e1\u0001\u0000"+
+		"\u0000\u0000\u01e1\u01e4\u0001\u0000\u0000\u0000\u01e2\u01e0\u0001\u0000"+
+		"\u0000\u0000\u01e3\u01d8\u0001\u0000\u0000\u0000\u01e3\u01e4\u0001\u0000"+
+		"\u0000\u0000\u01e4\u01e5\u0001\u0000\u0000\u0000\u01e5\u01e7\u0005\b\u0000"+
+		"\u0000\u01e6\u01d7\u0001\u0000\u0000\u0000\u01e6\u01e7\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\u01f2\u0001\u0000"+
+		"\u0000\u0000\u01f4\u01f5\u0001\u0000\u0000\u0000\u01f5\u01f8\u0001\u0000"+
+		"\u0000\u0000\u01f6\u01f4\u0001\u0000\u0000\u0000\u01f7\u01ec\u0001\u0000"+
+		"\u0000\u0000\u01f7\u01f8\u0001\u0000\u0000\u0000\u01f8\u01f9\u0001\u0000"+
+		"\u0000\u0000\u01f9\u01fa\u0005\f\u0000\u0000\u01fa\u01fb\u0006\u001c\uffff"+
+		"\uffff\u0000\u01fb9\u0001\u0000\u0000\u0000\u01fc\u0208\u0005\t\u0000"+
+		"\u0000\u01fd\u01fe\u0003.\u0017\u0000\u01fe\u0205\u0006\u001d\uffff\uffff"+
+		"\u0000\u01ff\u0200\u0005\u0003\u0000\u0000\u0200\u0201\u0003.\u0017\u0000"+
+		"\u0201\u0202\u0006\u001d\uffff\uffff\u0000\u0202\u0204\u0001\u0000\u0000"+
+		"\u0000\u0203\u01ff\u0001\u0000\u0000\u0000\u0204\u0207\u0001\u0000\u0000"+
+		"\u0000\u0205\u0203\u0001\u0000\u0000\u0000\u0205\u0206\u0001\u0000\u0000"+
+		"\u0000\u0206\u0209\u0001\u0000\u0000\u0000\u0207\u0205\u0001\u0000\u0000"+
+		"\u0000\u0208\u01fd\u0001\u0000\u0000\u0000\u0208\u0209\u0001\u0000\u0000"+
+		"\u0000\u0209\u020a\u0001\u0000\u0000\u0000\u020a\u020b\u0005\n\u0000\u0000"+
+		"\u020b;\u0001\u0000\u0000\u0000\u020c\u020d\u0005#\u0000\u0000\u020d\u020e"+
+		"\u0003\u0012\t\u0000\u020e\u020f\u0005$\u0000\u0000\u020f\u0210\u0003"+
+		">\u001f\u0000\u0210\u0211\u0005%\u0000\u0000\u0211\u0212\u0006\u001e\uffff"+
+		"\uffff\u0000\u0212=\u0001\u0000\u0000\u0000\u0213\u0214\u0006\u001f\uffff"+
+		"\uffff\u0000\u0214\u0215\u0003@ \u0000\u0215\u021c\u0006\u001f\uffff\uffff"+
+		"\u0000\u0216\u0217\u0005&\u0000\u0000\u0217\u0218\u0003@ \u0000\u0218"+
+		"\u0219\u0006\u001f\uffff\uffff\u0000\u0219\u021b\u0001\u0000\u0000\u0000"+
+		"\u021a\u0216\u0001\u0000\u0000\u0000\u021b\u021e\u0001\u0000\u0000\u0000"+
+		"\u021c\u021a\u0001\u0000\u0000\u0000\u021c\u021d\u0001\u0000\u0000\u0000"+
+		"\u021d?\u0001\u0000\u0000\u0000\u021e\u021c\u0001\u0000\u0000\u0000\u021f"+
+		"\u0220\u0003.\u0017\u0000\u0220\u0221\u0006 \uffff\uffff\u0000\u0221\u0222"+
+		"\u0005\'\u0000\u0000\u0222\u0223\u0003\u0002\u0001\u0000\u0223\u0224\u0006"+
+		" \uffff\uffff\u0000\u0224A\u0001\u0000\u0000\u0000\u0225\u0226\u0005,"+
+		"\u0000\u0000\u0226\u022a\u0006!\uffff\uffff\u0000\u0227\u0228\u0005+\u0000"+
+		"\u0000\u0228\u022a\u0006!\uffff\uffff\u0000\u0229\u0225\u0001\u0000\u0000"+
+		"\u0000\u0229\u0227\u0001\u0000\u0000\u0000\u022aC\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\u0205\u0208\u021c\u0229";
 	public static final ATN _ATN =
 		new ATNDeserializer().deserialize(_serializedATN.toCharArray());
 	static {
diff --git a/src/main/java/org/programsnail/truffle_lama/parser/LamaVisitor.java b/src/main/java/org/programsnail/truffle_lama/parser/LamaVisitor.java
index d88565a..2a437a6 100644
--- a/src/main/java/org/programsnail/truffle_lama/parser/LamaVisitor.java
+++ b/src/main/java/org/programsnail/truffle_lama/parser/LamaVisitor.java
@@ -16,12 +16,6 @@ public interface LamaVisitor<T> extends ParseTreeVisitor<T> {
 	 * @return the visitor result
 	 */
 	T visitLama(LamaParser.LamaContext ctx);
-	/**
-	 * Visit a parse tree produced by {@link LamaParser#import_expression}.
-	 * @param ctx the parse tree
-	 * @return the visitor result
-	 */
-	T visitImport_expression(LamaParser.Import_expressionContext ctx);
 	/**
 	 * Visit a parse tree produced by {@link LamaParser#scope_expression}.
 	 * @param ctx the parse tree
@@ -70,30 +64,6 @@ public interface LamaVisitor<T> extends ParseTreeVisitor<T> {
 	 * @return the visitor result
 	 */
 	T visitFunction_body(LamaParser.Function_bodyContext ctx);
-	/**
-	 * Visit a parse tree produced by {@link LamaParser#infix_definition}.
-	 * @param ctx the parse tree
-	 * @return the visitor result
-	 */
-	T visitInfix_definition(LamaParser.Infix_definitionContext ctx);
-	/**
-	 * Visit a parse tree produced by {@link LamaParser#infix_head}.
-	 * @param ctx the parse tree
-	 * @return the visitor result
-	 */
-	T visitInfix_head(LamaParser.Infix_headContext ctx);
-	/**
-	 * Visit a parse tree produced by {@link LamaParser#infixity}.
-	 * @param ctx the parse tree
-	 * @return the visitor result
-	 */
-	T visitInfixity(LamaParser.InfixityContext ctx);
-	/**
-	 * Visit a parse tree produced by {@link LamaParser#level}.
-	 * @param ctx the parse tree
-	 * @return the visitor result
-	 */
-	T visitLevel(LamaParser.LevelContext ctx);
 	/**
 	 * Visit a parse tree produced by {@link LamaParser#expression}.
 	 * @param ctx the parse tree
@@ -238,4 +208,10 @@ public interface LamaVisitor<T> extends ParseTreeVisitor<T> {
 	 * @return the visitor result
 	 */
 	T visitCase_branch(LamaParser.Case_branchContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link LamaParser#any_infix}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitAny_infix(LamaParser.Any_infixContext ctx);
 }
\ No newline at end of file