Fix: Missing $ instead of EOF

cminus/parser/dfa.py

@@ -157,7 +157,7 @@ def transition(self, token: Token) -> Tuple['State', Node, Token]:
         if epsilon_transition is None or not epsilon_transition.parent_dfa.in_follow(token): # syntax error
             if all(isinstance(transition, (TerminalTransition, EpsilonTransition)) for transition in self.current_state.transitions):
                 error_lexeme = self.current_state.transitions[0].value \
-                    or self.current_state.transitions[0].token_type.name
+                    or self.current_state.transitions[0].token_type.value
                 ParserErrorLogger.instance.missing_token(token.lineno, error_lexeme)
                 raise ParserError(ParserErrorType.MissingTerminal)
 

cminus/parser/error_logger.py

@@ -40,7 +40,7 @@ def missing_token(self, lineno: int, lexeme: str):
     def illegal_token(self, token: Token):
         lexeme = token.lexeme \
             if token.type not in [TokenType.ID, TokenType.NUM] \
-            else token.type.name
+            else token.type.value
         self.__log(token.lineno, _ErrorType.IllegalToken, lexeme)
 
     def unexpected_eof(self, lineno: int):

cminus/scanner/dfa.py

@@ -8,13 +8,13 @@ class TokenType(Enum):
     """
     TokenType class
     """
-    ID = 1
-    KEYWORD = 2
-    SYMBOL = 3
-    NUM = 4
-    COMMENT = 5
-    WHITESPACE = 6
-    EOF = 7
+    ID = 'ID'
+    KEYWORD = 'KEYWORD'
+    SYMBOL = 'SYMBOL'
+    NUM = 'NUM'
+    COMMENT = 'COMMENT'
+    WHITESPACE = 'WHITESPACE'
+    EOF = '$'
 
 
 TTransitionToken = TypeVar('TTransitionToken')

cminus/scanner/scanner.py

@@ -28,7 +28,7 @@ class Token:
     def __str__(self) -> str:
         if self.type == TokenType.EOF:
             return self.lexeme
-        return f'({self.type.name}, {self.lexeme})'
+        return f'({self.type.value}, {self.lexeme})'
 
 
 class Scanner: