Validate eval-expressions a bit better

2019-10-12 17:44:49 +08:00 · 2019-10-12 17:44:49 +08:00 · 87ae518d3e
parent 7a5d1790ea
commit 87ae518d3e
1 changed files with 1 additions and 1 deletions
--- a/ppcasm.py
+++ b/ppcasm.py
@ -138,7 +138,7 @@ def instruction(line, variables):
            regex = r'^cr([0-7])$'
            eval_func = eval_register_arg
        else:
-            regex = r'^([^\.]+)$'
+            regex = r'^[\w' + re.escape('()+-*/%|&~^') + r']+$'
            eval_func = eval_expression

        validation_list.append((regex, eval_func))