Add: Basic range check for replace()

OpenTTD · Apr 7, 2024 · e507643 · e507643
1 parent 26f271f
commit e507643
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/nml/ast/replace.py b/nml/ast/replace.py
@@ -54,6 +54,8 @@ def __init__(self, param_list, sprite_list, name, pos):
 
     def pre_process(self):
         self.start_id = self.start_id.reduce(global_constants.const_list)
+        if isinstance(self.start_id, expression.ConstantNumeric):
+            generic.check_range(self.start_id.value, 0, 4895 - len(self.sprite_list), "replace-block parameter 1 'start'", self.start_id.pos)
 
     def debug_print(self, indentation):
         generic.print_dbg(indentation, "Replace sprites starting at")