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-rw-r--r--nandgame/assembler/assembler_main.py3
1 files changed, 3 insertions, 0 deletions
diff --git a/nandgame/assembler/assembler_main.py b/nandgame/assembler/assembler_main.py
index 881b8fe..9871a31 100644
--- a/nandgame/assembler/assembler_main.py
+++ b/nandgame/assembler/assembler_main.py
@@ -7,6 +7,9 @@ from py_nand_ass import assembler as ass # pyright: ignore[reportImplicitRelati
if __name__ == "__main__":
result = parse_file(sys.argv[1])
+ if not result:
+ print("Parsing returned an empty result")
+ sys.exit(1)
errors = ass.check_instructions(result)
errors = list(errors)