84 lines
2.3 KiB
Python
84 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 __future__ import annotations
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from mypyc.ir.ops import ERR_FALSE, ERR_MAGIC
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from mypyc.ir.rtypes import (
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bit_rprimitive,
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c_pyssize_t_rprimitive,
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int_rprimitive,
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list_rprimitive,
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object_rprimitive,
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tuple_rprimitive,
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)
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from mypyc.primitives.registry import custom_op, function_op, load_address_op, method_op
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# Get the 'builtins.tuple' type object.
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load_address_op(name="builtins.tuple", type=object_rprimitive, 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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)
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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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)
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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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)
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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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)
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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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)
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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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)
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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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)
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