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idl: CDR compatibility for unbounded sequences & list #302

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idl: CDR compatibility for unbounded sequences & list #302

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10 changes: 9 additions & 1 deletion cyclonedds/idl/_builder.py
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Original file line number Diff line number Diff line change
Expand Up @@ -123,8 +123,16 @@ def _machine_for_type(cls, _type, add_size_header, use_version_2):
elif isclass(_type) and (issubclass(_type, IdlBitmask)):
return BitMaskMachine(_type, get_idl_annotations(_type)["bit_bound"])
elif get_origin(_type) == list:
submachine = cls._machine_for_type(get_args(_type)[0], add_size_header, use_version_2)

if isinstance(submachine, PrimitiveMachine):
return PlainCdrV2SequenceOfPrimitiveMachine(submachine.type)

if isinstance(submachine, (CharMachine)):
add_size_header = False

return SequenceMachine(
cls._machine_for_type(get_args(_type)[0], add_size_header, use_version_2),
submachine,
add_size_header=add_size_header
)
elif get_origin(_type) == dict:
Expand Down