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WIP: new mypyc primitive forweakref.ref.__call__#19145

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feat: new primitive forweakref.__call__
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@BobTheBuidler
BobTheBuidler committedMay 23, 2025
commit3b71a7f71d1ede3ff858285c68d9cce43fa02ed0
10 changes: 9 additions & 1 deletionmypyc/primitives/weakref_ops.py
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Original file line numberDiff line numberDiff line change
@@ -1,6 +1,6 @@
from mypyc.ir.ops import ERR_MAGIC
from mypyc.ir.rtypes import object_rprimitive
from mypyc.primitives.registry import function_op
from mypyc.primitives.registry importERR_NEG_INT,function_op

# Weakref operations

Expand All@@ -11,3 +11,11 @@
c_function_name="PyWeakref_NewRef",
error_kind=ERR_MAGIC,
)

deref_op = function_op(
name="weakref.ReferenceType.__call__",
arg_types=[object_rprimitive],
return_type=object_rprimitive,
c_function_name="PyWeakref_GetRef",
error_kind=ERR_NEG_INT,
)
14 changes: 8 additions & 6 deletionsmypyc/test-data/irbuild-weakref.test
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Original file line numberDiff line numberDiff line change
Expand Up@@ -2,24 +2,26 @@
import weakref
from typing import Any, Callable
def f(x: object, cb: Callable[[object], Any]) -> object:
return weakref.ref(x, cb)
return weakref.ref(x, cb)()

[out]
def f(x, cb):
x, cb, r0 :: object
x, cb, r0, r1 :: object
L0:
r0 = PyWeakref_NewRef(x, cb)
return r0
r1 = PyWeakref_GetRef(r0)
return r1

[case testFromWeakrefRefCallback]
from typing import Any, Callable
from weakref import ref
def f(x: object, cb: Callable[[object], Any]) -> object:
return ref(x, cb)
return ref(x, cb)()

[out]
def f(x, cb):
x, cb, r0 :: object
x, cb, r0, r1 :: object
L0:
r0 = PyWeakref_NewRef(x, cb)
return r0
r1 = PyWeakref_GetRef(r0)
return r1
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