init

.venv/lib/python3.8/site-packages/mypyc/primitives/tuple_ops.py

@@ -0,0 +1,68 @@
+"""Primitive tuple ops for *variable-length* tuples.
+
+Note: Varying-length tuples are represented as boxed Python tuple
+objects, i.e. tuple_rprimitive (RPrimitive), not RTuple.
+"""
+
+from mypyc.ir.ops import ERR_MAGIC, ERR_FALSE
+from mypyc.ir.rtypes import (
+    tuple_rprimitive, int_rprimitive, list_rprimitive, object_rprimitive,
+    c_pyssize_t_rprimitive, bit_rprimitive
+)
+from mypyc.primitives.registry import method_op, function_op, custom_op
+
+
+# tuple[index] (for an int index)
+tuple_get_item_op = method_op(
+    name='__getitem__',
+    arg_types=[tuple_rprimitive, int_rprimitive],
+    return_type=object_rprimitive,
+    c_function_name='CPySequenceTuple_GetItem',
+    error_kind=ERR_MAGIC)
+
+# Construct a boxed tuple from items: (item1, item2, ...)
+new_tuple_op = custom_op(
+    arg_types=[c_pyssize_t_rprimitive],
+    return_type=tuple_rprimitive,
+    c_function_name='PyTuple_Pack',
+    error_kind=ERR_MAGIC,
+    var_arg_type=object_rprimitive)
+
+new_tuple_with_length_op = custom_op(
+    arg_types=[c_pyssize_t_rprimitive],
+    return_type=tuple_rprimitive,
+    c_function_name='PyTuple_New',
+    error_kind=ERR_MAGIC)
+
+# PyTuple_SET_ITEM does no error checking,
+# and should only be used to fill in brand new tuples.
+new_tuple_set_item_op = custom_op(
+    arg_types=[tuple_rprimitive, int_rprimitive, object_rprimitive],
+    return_type=bit_rprimitive,
+    c_function_name='CPySequenceTuple_SetItemUnsafe',
+    error_kind=ERR_FALSE,
+    steals=[False, False, True])
+
+# Construct tuple from a list.
+list_tuple_op = function_op(
+    name='builtins.tuple',
+    arg_types=[list_rprimitive],
+    return_type=tuple_rprimitive,
+    c_function_name='PyList_AsTuple',
+    error_kind=ERR_MAGIC,
+    priority=2)
+
+# Construct tuple from an arbitrary (iterable) object.
+function_op(
+    name='builtins.tuple',
+    arg_types=[object_rprimitive],
+    return_type=tuple_rprimitive,
+    c_function_name='PySequence_Tuple',
+    error_kind=ERR_MAGIC)
+
+# tuple[begin:end]
+tuple_slice_op = custom_op(
+    arg_types=[tuple_rprimitive, int_rprimitive, int_rprimitive],
+    return_type=object_rprimitive,
+    c_function_name='CPySequenceTuple_GetSlice',
+    error_kind=ERR_MAGIC)