diff --git a/.gitignore b/.gitignore
index 16b6540..b526ca6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,5 @@
-__pycache__/
-.vscode
-.vscode/
-res/output/
-res/input/
\ No newline at end of file
+__pycache__/*
+res/output/*
+res/input/*
+.vscode/*
+*.pyc
\ No newline at end of file
diff --git a/NassiShneidermann.py b/NassiShneidermann.py
index 766e210..685eb86 100644
--- a/NassiShneidermann.py
+++ b/NassiShneidermann.py
@@ -1,7 +1,8 @@
+from os import cpu_count
 from code_to_image import NSD_save
 from Iinstruction import Iinstruction
+import interpet_source as itp
 import logging
-import re
 
 class NassiShneidermanDiagram:
 
@@ -29,44 +30,14 @@ class NassiShneidermanDiagram:
             x, y = instruction.to_image(x, y, x_sz, 200)
         cti.NSD_save(filename)
 
-    @staticmethod
-    def load_code_lines(filepath):
-        lines = []
-        try:
-            with open(filepath) as file:
-                for _line in file:
-                    line:str = _line.strip()
-                    if line and not re.match(r"""^//|^#|^COMMENT|^--""", line):
-                        lines.append(line)
-        except:
-            logging.error(f"Failed to open input file {filepath}!")
-        
-        return lines
-
-    def load_from_file(self, filepath: str):
-        filtered_lines = self.load_code_lines(filepath)
-        global_scope = []
-        current_scope = global_scope
-        for line in filtered_lines:
-            logging.debug(line)
-            if line.__contains__('}'):
-                current_scope.append("scope exit")
-                current_scope = global_scope[-1] # does not get correct parent scope
-                #TODO: get correct parent scope
-            if line.__contains__('{'):
-                current_scope.append("scope enter")
-                current_scope.append([])
-                current_scope = current_scope[-1]
-
-            elif not line.__contains__('}'):
-                current_scope.append("generic instruction")
-        print(global_scope)
-
+    def load_from_file(self, filepath:str):
+        source_code = itp.load_src(filepath)
+        instructions = itp.get_scoped_instructions(filepath)
 
 
 
     
-"""if __name__ == "__main__":
+if __name__ == "__main__":
     #for debugging
     from Iinstruction import *
 
@@ -74,4 +45,4 @@ class NassiShneidermanDiagram:
 
     NSD.load_from_file("res/input/input.java")
 
-    NSD.convert_to_image("Nina", 500)"""
+    NSD.convert_to_image("Nina", 500)
diff --git a/__pycache__/Iinstruction.cpython-39.pyc b/__pycache__/Iinstruction.cpython-39.pyc
new file mode 100644
index 0000000..9cf077e
Binary files /dev/null and b/__pycache__/Iinstruction.cpython-39.pyc differ
diff --git a/__pycache__/code_to_image.cpython-39.pyc b/__pycache__/code_to_image.cpython-39.pyc
new file mode 100644
index 0000000..a01154a
Binary files /dev/null and b/__pycache__/code_to_image.cpython-39.pyc differ
diff --git a/interpet_source.py b/interpet_source.py
new file mode 100644
index 0000000..a5939dd
--- /dev/null
+++ b/interpet_source.py
@@ -0,0 +1,84 @@
+from Iinstruction import *
+import logging
+import re
+from typing import Any, Iterator
+
+class Scope():
+
+    def __init__(self, enclosing_scope) -> None:
+        self.enclosing_scope = enclosing_scope
+        self.contents = []
+    
+    def add_instruction(self, instruction) -> None:
+        self.contents.append(instruction)
+
+    def add_subscope(self, subscope) -> None:
+        self.contents.append(subscope)
+
+def load_src(filepath: str) -> list[str]:
+    lines = []
+    try:
+        with open(filepath) as file:
+            for _line in file:
+                line:str = _line.strip()
+                if line and not re.match(r"""^//|^#|^COMMENT|^--""", line):
+                    lines.append(line)
+    except:
+        logging.error(f"Failed to open input file {filepath}!")
+    
+    return lines
+
+def get_scopes(src: list[str]):
+    global_scope = Scope(None)
+    current_scope = global_scope
+
+    for line in src:
+        logging.debug(line)
+        if line.__contains__('}'):
+            current_scope.add_instruction("scope exit")
+            current_scope = current_scope.enclosing_scope
+        if line.__contains__('{'):
+            current_scope.add_instruction("scope enter")
+            subscope = Scope(current_scope)
+            current_scope.add_subscope(subscope)
+            current_scope = subscope
+
+        elif not line.__contains__('}'):
+            current_scope.add_instruction("generic instruction")
+    
+    return global_scope
+
+def get_instructions(scope: Scope) -> list[Any]:
+    instructions = []
+
+    for item in scope.contents:
+        if isinstance(item, Scope):
+            instructions.extend(get_instructions(item))
+        else:
+            instructions.append(item)
+    
+    return instructions
+
+
+
+def get_scoped_instructions(filepath:str) -> list[Any]:
+    source_code = load_src(filepath)
+    global_scope = get_scopes(source_code)
+
+    instructions = get_instructions(global_scope)
+    return instructions
+
+if __name__ == "__main__":
+
+    def print_scope(scope: Scope):
+        print('[', end='')
+        for item in scope.contents:
+            if isinstance(item, Scope):
+                print_scope(item)
+            else:
+                print(item, end=", ")
+        print(']')
+
+    logging.basicConfig(level=logging.DEBUG)
+    inst = get_scoped_instructions("res/input/input.java")
+    print(inst)
\ No newline at end of file
diff --git a/res/output/Nina.png b/res/output/Nina.png
index 6f46d69..987d273 100644
Binary files a/res/output/Nina.png and b/res/output/Nina.png differ