Fixed BNF concept evaluations

parsers/PythonParser.py

@@ -1,5 +1,5 @@
 from core.builtin_concepts import BuiltinConcepts
-from core.tokenizer import Tokenizer, LexerError
+from core.tokenizer import Tokenizer, LexerError, TokenKind
 from parsers.BaseParser import BaseParser, Node, ErrorNode
 from dataclasses import dataclass
 import ast
@@ -66,13 +66,17 @@ class PythonParser(BaseParser):
         sheerka = context.sheerka
         tree = None
 
+        python_switcher = {
+            TokenKind.CONCEPT: lambda t: f"__C__{t.value}__C__"
+        }
+
         try:
             if isinstance(text, str) and "c:" in text:
-                source = self.get_text_from_tokens(list(Tokenizer(text)))
+                source = self.get_text_from_tokens(list(Tokenizer(text)), python_switcher)
             elif isinstance(text, str):
                 source = text
             else:
-                source = self.get_text_from_tokens(text)
+                source = self.get_text_from_tokens(text, python_switcher)
             source = source.strip()
 
             text = text if isinstance(text, str) else source