skip assembly in BOR mutator

crytic · Jan 27, 2025 · 1354dc5 · 1354dc5
1 parent 4aa141d
commit 1354dc5
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/slither/tools/mutator/mutators/BOR.py b/slither/tools/mutator/mutators/BOR.py
@@ -35,7 +35,10 @@ def _mutate(self) -> Dict:
                             line_no = node.source_mapping.lines
                             if not line_no[0] in self.dont_mutate_line:
                                 # Replace the expression with true
-                                new_str = f"{old_str.split(ir.type.value)[0]}{op.value}{old_str.split(ir.type.value)[1]}"
+                                halves = old_str.split(ir.type.value)
+                                if len(halves) != 2:
+                                    continue # skip if assembly
+                                new_str = f"{halves[0]}{op.value}{halves[1]}"
                                 create_patch_with_line(
                                     result,
                                     self.in_file,