diff --git a/gen/extract.py b/gen/extract.py
index a57c730..e07e381 100755
--- a/gen/extract.py
+++ b/gen/extract.py
@@ -31,8 +31,8 @@ def read_file(path):
 
 
 def write_json(header, key):
-    header["outpath"] += "." + key + ".json"
-    with open(header.get("outpath"), "w+") as f:
+    outpath = header["outpath"] + "." + key + ".json"
+    with open(outpath, "w+") as f:
         json.dump(header[key], f, indent=4)
 
 
@@ -43,41 +43,41 @@ def prepare_header(header, out_dir):
     return header
 
 
-def create_simple_AST(ast):
+def create_simple_ast(ast):
     elems = {"functions": "",
              "structs": "",
              "enums": ""}
     elems["functions"] = extract_functions_from_ast(ast)
+    elems["enums"] = extract_enums_from_ast(ast)
     return elems
 
 
 # extracts top level functions only (is there anything else in C?)
 def extract_functions_from_ast(ast):
     functions = []
-    children = ast["children"]
-    for child in children:
+    for child in ast["children"]:
         if child["kind"] == "CursorKind.FUNCTION_DECL":
-            functions.append(simple_AST_functions(child))
+            functions.append(simple_ast_functions(child))
     return functions
 
 
-def simple_AST_functions(func_AST):
+def simple_ast_functions(func_ast):
     simple_func = {"name": "",
                    "return_type": "",
                    "arguments": []}
 
-    simple_func["name"] = func_AST["name"]
-    simple_func["return_type"] = func_AST["result_type"]
+    simple_func["name"] = func_ast["name"]
+    simple_func["return_type"] = func_ast["result_type"]
     arguments = []
     # check if func has args
-    if "children" in func_AST:
-        for arg_AST in func_AST["children"]:
+    if "children" in func_ast:
+        for arg_ast in func_ast["children"]:
             arg_simple = None
-            if arg_AST["kind"] == "CursorKind.PARM_DECL":
+            if arg_ast["kind"] == "CursorKind.PARM_DECL":
                 arg_simple = {"name": "",
                               "type": ""}
-                arg_simple["name"] = arg_AST["name"]
-                arg_simple["type"] = arg_AST["type"]
+                arg_simple["name"] = arg_ast["name"]
+                arg_simple["type"] = arg_ast["type"]
             if arg_simple:
                 arguments.append(arg_simple)
 
@@ -86,6 +86,40 @@ def simple_AST_functions(func_AST):
     return simple_func
 
 
+# only typedef enums
+def extract_enums_from_ast(ast):
+    enums = []
+    for typedef in ast["children"]:
+        if typedef["kind"] == "CursorKind.TYPEDEF_DECL":
+            typename = typedef["type"]
+            if "children" in typedef:
+                for enum in typedef["children"]:
+                    if enum["kind"] == "CursorKind.ENUM_DECL":
+                        enums.append(simple_ast_enums(enum, typename))
+
+    return enums
+
+
+def simple_ast_enums(enum_ast, typename):
+    simple_enum = {"name": typename,
+                   "items": []}
+
+    items = []
+    for item in enum_ast["children"]:
+        if item["kind"] == "CursorKind.ENUM_CONSTANT_DECL":
+            simple_item = {"name": "",
+                           "value": ""}
+            simple_item["name"] = item["name"]
+            simple_item["value"] = item["value"]
+            items.append(simple_item)
+
+    if items:
+        simple_enum["items"] = items
+
+    return simple_enum
+
+
+
 def main():
     input()
     parser = AST_Parser("/opt/local/libexec/llvm-9.0/lib/libclang.dylib")
@@ -105,11 +139,11 @@ def main():
     for header in headers:
         header = prepare_header(header, out_dir)
         print("processing path: " + header.get("path") + "...")
-        header["AST"] = parser.parse(header["path"], header["sourcecode"])
-        write_json(header, "AST")
+        header["ast"] = parser.parse(header["path"], header["sourcecode"])
+        write_json(header, "ast")
 
-        header["simple_AST"] = create_simple_AST(header["AST"])
-        write_json(header, "simple_AST")
+        header["simple_ast"] = create_simple_ast(header["ast"])
+        write_json(header, "simple_ast")
 
 
 if __name__ == "__main__":