74 lines
2.3 KiB
Python
74 lines
2.3 KiB
Python
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"""Primitive tuple ops for *variable-length* tuples.
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Note: Varying-length tuples are represented as boxed Python tuple
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objects, i.e. tuple_rprimitive (RPrimitive), not RTuple.
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"""
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from mypyc.ir.ops import ERR_MAGIC, ERR_FALSE
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from mypyc.ir.rtypes import (
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tuple_rprimitive, int_rprimitive, list_rprimitive, object_rprimitive,
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c_pyssize_t_rprimitive, bit_rprimitive
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)
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from mypyc.primitives.registry import load_address_op, method_op, function_op, custom_op
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# Get the 'builtins.tuple' type object.
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load_address_op(
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name='builtins.tuple',
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type=object_rprimitive,
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src='PyTuple_Type')
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# tuple[index] (for an int index)
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tuple_get_item_op = method_op(
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name='__getitem__',
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arg_types=[tuple_rprimitive, int_rprimitive],
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return_type=object_rprimitive,
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c_function_name='CPySequenceTuple_GetItem',
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error_kind=ERR_MAGIC)
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# Construct a boxed tuple from items: (item1, item2, ...)
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new_tuple_op = custom_op(
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arg_types=[c_pyssize_t_rprimitive],
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return_type=tuple_rprimitive,
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c_function_name='PyTuple_Pack',
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error_kind=ERR_MAGIC,
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var_arg_type=object_rprimitive)
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new_tuple_with_length_op = custom_op(
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arg_types=[c_pyssize_t_rprimitive],
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return_type=tuple_rprimitive,
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c_function_name='PyTuple_New',
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error_kind=ERR_MAGIC)
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# PyTuple_SET_ITEM does no error checking,
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# and should only be used to fill in brand new tuples.
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new_tuple_set_item_op = custom_op(
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arg_types=[tuple_rprimitive, int_rprimitive, object_rprimitive],
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return_type=bit_rprimitive,
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c_function_name='CPySequenceTuple_SetItemUnsafe',
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error_kind=ERR_FALSE,
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steals=[False, False, True])
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# Construct tuple from a list.
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list_tuple_op = function_op(
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name='builtins.tuple',
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arg_types=[list_rprimitive],
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return_type=tuple_rprimitive,
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c_function_name='PyList_AsTuple',
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error_kind=ERR_MAGIC,
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priority=2)
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# Construct tuple from an arbitrary (iterable) object.
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function_op(
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name='builtins.tuple',
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arg_types=[object_rprimitive],
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return_type=tuple_rprimitive,
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c_function_name='PySequence_Tuple',
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error_kind=ERR_MAGIC)
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# tuple[begin:end]
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tuple_slice_op = custom_op(
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arg_types=[tuple_rprimitive, int_rprimitive, int_rprimitive],
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return_type=object_rprimitive,
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c_function_name='CPySequenceTuple_GetSlice',
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error_kind=ERR_MAGIC)
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