Bugfix: Bei GOTO zu nicht vorhandener Markierung wird jetzt die richtige Zeile angezeigt.

info4/kapitel-8/Interpreter/gotointerpreter.py

@@ -118,10 +118,10 @@ class GOTOInterpreter:
         current_token = self.next_token()
         while current_token is not None and max(self.marker_to_position.keys()) < int(marker_number):
             current_token = self.verify_line(current_token)
-        if marker_number not in self.marker_to_position.keys():
-            self.error_handler.handle_error('GOTO zu nicht vorhandener Markierung')
         self.lex.current_position = self.marker_to_position.get(marker_number)
         self.error_handler.line_number = self.marker_to_line.get(marker_number)
+        if marker_number not in self.marker_to_position.keys():
+            self.error_handler.handle_error('GOTO zu nicht vorhandener Markierung')
         return self.next_token()
 
     def verify_goto(self, goto_token):
@@ -136,10 +136,10 @@ class GOTOInterpreter:
         current_token = self.next_token()
         while current_token is not None and max(self.marker_to_position.keys()) < int(marker_number):
             current_token = self.verify_line(current_token)
-        if marker_number not in self.marker_to_position.keys():
-            self.error_handler.handle_error('GOTO zu nicht vorhandener Markierung')
         self.lex.current_position = saved_position
         self.error_handler.line_number = saved_line
+        if marker_number not in self.marker_to_position.keys():
+            self.error_handler.handle_error('GOTO zu nicht vorhandener Markierung')
         return self.next_token()
 
     def process_if(self, if_token):