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Fix the Byte FSM bug #209

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Merged
shubhamugare merged 1 commit into from
Jun 11, 2025
Merged

Fix the Byte FSM bug #209

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18 changes: 7 additions & 11 deletions syncode/mask_store/byte_fsm.py
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Original file line number Diff line number Diff line change
Expand Up @@ -341,18 +341,14 @@ def consume_prefix(self, data: Union[str, bytes], current_state: Optional[Any] =
if not state_transitions: # No transitions - dead state
break

# Direct byte transition - most common case first
if byte in state_transitions:
cur_state = state_transitions[byte]
# Only get category if needed - reduces _get_category calls
category = self._get_category(byte)
if category is not None and category in state_transitions:
cur_state = state_transitions[category]
else:
# Only get category if needed - reduces _get_category calls
category = self._get_category(byte)
if category is not None and category in state_transitions:
cur_state = state_transitions[category]
else:
# No valid transition - we've reached a "dead" state
cur_state = None
break
# No valid transition - we've reached a "dead" state
cur_state = None
break

# Check if we're in a final state - using cached method
if is_final(cur_state):
Expand Down