diff --git a/src/main/kotlin/SMNP.kt b/src/main/kotlin/SMNP.kt
index 169d47a..c39ae61 100644
--- a/src/main/kotlin/SMNP.kt
+++ b/src/main/kotlin/SMNP.kt
@@ -2,5 +2,5 @@ import interpreter.Interpreter
 
 fun main(args: Array<String>) {
     val interpreter = Interpreter()
-    interpreter.run("{ a = b = c = [2, 3, 4] as (i, j, k) ^ { x y z(1, 2, c(), {a  -> b() }) } % i == 2 [1, xyz, [true, { 1 -> false, 2 -> { @c -> @d, @e -> false } }, [@c], 4, \"h\"]] 2 @c @d * 3.14 }")
+    interpreter.run("extend list<note, int> as this { function play() { play(this); return null; } function x() {} }")
 }
\ No newline at end of file
diff --git a/src/main/kotlin/dsl/ast/model/node/RootNode.kt b/src/main/kotlin/dsl/ast/model/node/RootNode.kt
new file mode 100644
index 0000000..d52e56a
--- /dev/null
+++ b/src/main/kotlin/dsl/ast/model/node/RootNode.kt
@@ -0,0 +1,5 @@
+package dsl.ast.model.node
+
+import dsl.token.model.entity.TokenPosition
+
+class RootNode(nodes: List<Node>, position: TokenPosition) : Node(nodes, position)
\ No newline at end of file
diff --git a/src/main/kotlin/dsl/ast/parser/RootParser.kt b/src/main/kotlin/dsl/ast/parser/RootParser.kt
new file mode 100644
index 0000000..35eefc0
--- /dev/null
+++ b/src/main/kotlin/dsl/ast/parser/RootParser.kt
@@ -0,0 +1,20 @@
+package dsl.ast.parser
+
+import dsl.ast.model.entity.ParserOutput
+import dsl.ast.model.node.RootNode
+import dsl.token.model.entity.TokenList
+
+class RootParser : Parser() {
+    override fun tryToParse(input: TokenList): ParserOutput {
+        return repeat(
+            oneOf(
+                ImportParser(),
+                FunctionDefinitionParser(),
+                ExtendParser(),
+                StatementParser()
+            )
+        ) { list, tokenPosition ->
+            RootNode(list, tokenPosition)
+        }.parse(input)
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/interpreter/Interpreter.kt b/src/main/kotlin/interpreter/Interpreter.kt
index b092933..f98d0ac 100644
--- a/src/main/kotlin/interpreter/Interpreter.kt
+++ b/src/main/kotlin/interpreter/Interpreter.kt
@@ -1,18 +1,17 @@
 package interpreter
 
-import dsl.ast.model.node.Node
-import dsl.ast.parser.Parser
-import dsl.ast.parser.StatementParser
+import dsl.ast.parser.RootParser
 import dsl.token.tokenizer.DefaultTokenizer
 import java.io.File
 
 class Interpreter {
     fun run(code: String) {
         val tokenizer = DefaultTokenizer()
+        val parser = RootParser()
         val lines = code.split("\n")
         val tokens = tokenizer.tokenize(lines)
 
-        val ast = Parser.repeat(StatementParser()) { nodes, pos -> object : Node(nodes, pos) {}  }.parse(tokens)
+        val ast = parser.parse(tokens)
 
         ast.node.pretty()
         println(tokens)