Fixed infinite recursion when parsing complex BNF node

src/core/sheerka/services/SheerkaAdmin.py

@@ -1,3 +1,5 @@
+import time
+
 from core.builtin_concepts import BuiltinConcepts
 from core.sheerka.services.sheerka_service import BaseService
 
@@ -39,6 +41,7 @@ class SheerkaAdmin(BaseService):
         :return:
         """
         try:
+            start = time.time_ns()
             self.sheerka.during_restore = True
             with open(CONCEPTS_FILE, "r") as f:
                 for line in f.readlines():
@@ -50,5 +53,11 @@ class SheerkaAdmin(BaseService):
                     if len(res) > 1 or not res[0].status:
                         self.sheerka.log.error("Error detected !")
             self.sheerka.during_restore = False
+            stop = time.time_ns()
+
+            nano_sec = stop - start
+            dt = nano_sec / 1e6
+            elapsed = f"{dt} ms" if dt < 1000 else f"{dt / 1000} s"
+            print(f"Execution time: {elapsed}")
         except IOError:
             pass