check if macro language numeric variables are of correct type (fix issue #208)

robhagemans · robhagemans · commit bb2af3b15f66 · 2022-08-14T11:07:47.000+01:00
diff --git a/pcbasic/basic/mlparser.py b/pcbasic/basic/mlparser.py
@@ -40,11 +40,13 @@ def parse_number(self, default=None):
             if len(c) == 0:
                 raise error.BASICError(error.IFC)
             elif ord(c) > 8:
-                step = self._parse_variable().to_int()
+                stepval = self._parse_variable()
+                step = values.pass_number(stepval).to_int()
                 self.require_read((b';',), err=error.IFC)
             else:
                 # varptr$
-                step = self.memory.get_value_for_varptrstr(self.read(3)).to_int()
+                stepval = self.memory.get_value_for_varptrstr(self.read(3))
+                step = values.pass_number(stepval).to_int()
         elif c and c in DIGITS:
             step = self._parse_const()
         elif default is not None:
