irbuild-classes.test

[case testGetAttribute]
class A:
    x: int

def f(a: A) -> int:
    return a.x
[out]
def f(a):
    a :: __main__.A
    r0 :: int
L0:
    r0 = a.x
    return r0

[case testSetAttribute]
class A:
    x: int

def f(a: A) -> None:
    a.x = 1
[out]
def f(a):
    a :: __main__.A
    r0 :: bool
L0:
    a.x = 2; r0 = is_error
    return 1

[case testUserClassInList]
class C:
    x: int

def f() -> int:
    c = C()
    c.x = 5
    a = [c]
    d = a[0]
    return d.x + 1
[out]
def f():
    r0, c :: __main__.C
    r1 :: bool
    r2 :: list
    r3 :: ptr
    a :: list
    r4 :: object
    r5, d :: __main__.C
    r6, r7 :: int
L0:
    r0 = C()
    c = r0
    c.x = 10; r1 = is_error
    r2 = PyList_New(1)
    r3 = list_items r2
    buf_init_item r3, 0, c
    keep_alive r2
    a = r2
    r4 = CPyList_GetItemShort(a, 0)
    r5 = cast(__main__.C, r4)
    d = r5
    r6 = borrow d.x
    r7 = CPyTagged_Add(r6, 2)
    keep_alive d
    return r7

[case testMethodCall]
class A:
    def f(self, x: int, y: str) -> int:
        return x + 10

def g(a: A) -> None:
    a.f(1, 'hi')
[out]
def A.f(self, x, y):
    self :: __main__.A
    x :: int
    y :: str
    r0 :: int
L0:
    r0 = CPyTagged_Add(x, 20)
    return r0
def g(a):
    a :: __main__.A
    r0 :: str
    r1 :: int
L0:
    r0 = 'hi'
    r1 = a.f(2, r0)
    return 1

[case testForwardUse]
def g(a: A) -> int:
    return a.n

class A:
    n : int

[out]
def g(a):
    a :: __main__.A
    r0 :: int
L0:
    r0 = a.n
    return r0

[case testOptionalMember]
from typing import Optional
class Node:
    next: Optional[Node]
    def length(self) -> int:
        if self.next is not None:
            return 1 + self.next.length()
        return 1
[out]
def Node.length(self):
    self :: __main__.Node
    r0 :: union[__main__.Node, None]
    r1 :: object
    r2 :: bit
    r3 :: union[__main__.Node, None]
    r4 :: __main__.Node
    r5, r6 :: int
L0:
    r0 = borrow self.next
    r1 = load_address _Py_NoneStruct
    r2 = r0 != r1
    keep_alive self
    if r2 goto L1 else goto L2 :: bool
L1:
    r3 = self.next
    r4 = cast(__main__.Node, r3)
    r5 = r4.length()
    r6 = CPyTagged_Add(2, r5)
    return r6
L2:
    return 2

[case testSubclass]
class A:
    def __init__(self) -> None:
        self.x = 10
class B(A):
    def __init__(self) -> None:
        self.x = 20
        self.y = 30
[out]
def A.__init__(self):
    self :: __main__.A
L0:
    self.x = 20
    return 1
def B.__init__(self):
    self :: __main__.B
L0:
    self.x = 40
    self.y = 60
    return 1

[case testAttrLvalue]
class O(object):
    def __init__(self) -> None:
        self.x = 1

def increment(o: O) -> O:
    o.x += 1
    return o
[out]
def O.__init__(self):
    self :: __main__.O
L0:
    self.x = 2
    return 1
def increment(o):
    o :: __main__.O
    r0, r1 :: int
    r2 :: bool
L0:
    r0 = borrow o.x
    r1 = CPyTagged_Add(r0, 2)
    o.x = r1; r2 = is_error
    return o

[case testSubclass_withgil_toplevel]
from typing import TypeVar, Generic
from mypy_extensions import trait
T = TypeVar('T')
class C:
    pass

@trait
class S:
    pass

class D(C, S, Generic[T]):
    pass

[out]
def __top_level__():
    r0, r1 :: object
    r2 :: bit
    r3 :: str
    r4, r5 :: object
    r6 :: str
    r7 :: dict
    r8, r9 :: object
    r10 :: str
    r11 :: dict
    r12 :: object
    r13 :: str
    r14 :: dict
    r15 :: str
    r16 :: object
    r17 :: object[1]
    r18 :: object_ptr
    r19 :: object
    r20 :: dict
    r21 :: str
    r22 :: i32
    r23 :: bit
    r24 :: object
    r25 :: str
    r26, r27 :: object
    r28 :: bool
    r29 :: str
    r30 :: tuple
    r31 :: i32
    r32 :: bit
    r33 :: dict
    r34 :: str
    r35 :: i32
    r36 :: bit
    r37 :: object
    r38 :: str
    r39, r40 :: object
    r41 :: str
    r42 :: tuple
    r43 :: i32
    r44 :: bit
    r45 :: dict
    r46 :: str
    r47 :: i32
    r48 :: bit
    r49, r50 :: object
    r51 :: dict
    r52 :: str
    r53 :: object
    r54 :: dict
    r55 :: str
    r56, r57 :: object
    r58 :: tuple
    r59 :: str
    r60, r61 :: object
    r62 :: bool
    r63, r64 :: str
    r65 :: tuple
    r66 :: i32
    r67 :: bit
    r68 :: dict
    r69 :: str
    r70 :: i32
    r71 :: bit
L0:
    r0 = builtins :: module
    r1 = load_address _Py_NoneStruct
    r2 = r0 != r1
    if r2 goto L2 else goto L1 :: bool
L1:
    r3 = 'builtins'
    r4 = PyImport_Import(r3)
    builtins = r4 :: module
L2:
    r5 = ('TypeVar', 'Generic')
    r6 = 'typing'
    r7 = __main__.globals :: static
    r8 = CPyImport_ImportFromMany(r6, r5, r5, r7)
    typing = r8 :: module
    r9 = ('trait',)
    r10 = 'mypy_extensions'
    r11 = __main__.globals :: static
    r12 = CPyImport_ImportFromMany(r10, r9, r9, r11)
    mypy_extensions = r12 :: module
    r13 = 'T'
    r14 = __main__.globals :: static
    r15 = 'TypeVar'
    r16 = CPyDict_GetItem(r14, r15)
    r17 = [r13]
    r18 = load_address r17
    r19 = PyObject_Vectorcall(r16, r18, 1, 0)
    keep_alive r13
    r20 = __main__.globals :: static
    r21 = 'T'
    r22 = CPyDict_SetItem(r20, r21, r19)
    r23 = r22 >= 0 :: signed
    r24 = <error> :: object
    r25 = '__main__'
    r26 = __main__.C_template :: type
    r27 = CPyType_FromTemplate(r26, r24, r25)
    r28 = C_trait_vtable_setup()
    r29 = '__mypyc_attrs__'
    r30 = CPyTuple_LoadEmptyTupleConstant()
    r31 = PyObject_SetAttr(r27, r29, r30)
    r32 = r31 >= 0 :: signed
    __main__.C = r27 :: type
    r33 = __main__.globals :: static
    r34 = 'C'
    r35 = PyDict_SetItem(r33, r34, r27)
    r36 = r35 >= 0 :: signed
    r37 = <error> :: object
    r38 = '__main__'
    r39 = __main__.S_template :: type
    r40 = CPyType_FromTemplate(r39, r37, r38)
    r41 = '__mypyc_attrs__'
    r42 = CPyTuple_LoadEmptyTupleConstant()
    r43 = PyObject_SetAttr(r40, r41, r42)
    r44 = r43 >= 0 :: signed
    __main__.S = r40 :: type
    r45 = __main__.globals :: static
    r46 = 'S'
    r47 = PyDict_SetItem(r45, r46, r40)
    r48 = r47 >= 0 :: signed
    r49 = __main__.C :: type
    r50 = __main__.S :: type
    r51 = __main__.globals :: static
    r52 = 'Generic'
    r53 = CPyDict_GetItem(r51, r52)
    r54 = __main__.globals :: static
    r55 = 'T'
    r56 = CPyDict_GetItem(r54, r55)
    r57 = PyObject_GetItem(r53, r56)
    r58 = PyTuple_Pack(3, r49, r50, r57)
    r59 = '__main__'
    r60 = __main__.D_template :: type
    r61 = CPyType_FromTemplate(r60, r58, r59)
    r62 = D_trait_vtable_setup()
    r63 = '__mypyc_attrs__'
    r64 = '__dict__'
    r65 = PyTuple_Pack(1, r64)
    r66 = PyObject_SetAttr(r61, r63, r65)
    r67 = r66 >= 0 :: signed
    __main__.D = r61 :: type
    r68 = __main__.globals :: static
    r69 = 'D'
    r70 = PyDict_SetItem(r68, r69, r61)
    r71 = r70 >= 0 :: signed
    return 1

[case testIsInstance]
class A: pass
class B(A): pass

def f(x: A) -> B:
    if isinstance(x, B):
        return x
    return B()
[out]
def f(x):
    x :: __main__.A
    r0 :: object
    r1 :: ptr
    r2 :: object
    r3 :: bit
    r4, r5 :: __main__.B
L0:
    r0 = __main__.B :: type
    r1 = get_element_ptr x ob_type :: PyObject
    r2 = borrow load_mem r1 :: builtins.object*
    keep_alive x
    r3 = r2 == r0
    if r3 goto L1 else goto L2 :: bool
L1:
    r4 = cast(__main__.B, x)
    return r4
L2:
    r5 = B()
    return r5

[case testIsInstanceTuple]
from typing import Union
class R: pass
class A(R): pass
class B(R): pass
class C(R): pass

def f(x: R) -> Union[A, B]:
    if isinstance(x, (A, B)):
        return x
    return A()
[out]
def f(x):
    x :: __main__.R
    r0 :: object
    r1 :: ptr
    r2 :: object
    r3 :: bit
    r4 :: bool
    r5 :: object
    r6 :: ptr
    r7 :: object
    r8 :: bit
    r9 :: union[__main__.A, __main__.B]
    r10 :: __main__.A
L0:
    r0 = __main__.A :: type
    r1 = get_element_ptr x ob_type :: PyObject
    r2 = borrow load_mem r1 :: builtins.object*
    keep_alive x
    r3 = r2 == r0
    if r3 goto L1 else goto L2 :: bool
L1:
    r4 = r3
    goto L3
L2:
    r5 = __main__.B :: type
    r6 = get_element_ptr x ob_type :: PyObject
    r7 = borrow load_mem r6 :: builtins.object*
    keep_alive x
    r8 = r7 == r5
    r4 = r8
L3:
    if r4 goto L4 else goto L5 :: bool
L4:
    r9 = cast(union[__main__.A, __main__.B], x)
    return r9
L5:
    r10 = A()
    return r10

[case testIsInstanceFewSubclasses]
class R: pass
class A(R): pass

def f(x: object) -> R:
    if isinstance(x, R):
        return x
    return A()
[out]
def f(x):
    x, r0 :: object
    r1 :: ptr
    r2 :: object
    r3 :: bit
    r4 :: bool
    r5 :: object
    r6 :: ptr
    r7 :: object
    r8 :: bit
    r9 :: __main__.R
    r10 :: __main__.A
L0:
    r0 = __main__.A :: type
    r1 = get_element_ptr x ob_type :: PyObject
    r2 = borrow load_mem r1 :: builtins.object*
    keep_alive x
    r3 = r2 == r0
    if r3 goto L1 else goto L2 :: bool
L1:
    r4 = r3
    goto L3
L2:
    r5 = __main__.R :: type
    r6 = get_element_ptr x ob_type :: PyObject
    r7 = borrow load_mem r6 :: builtins.object*
    keep_alive x
    r8 = r7 == r5
    r4 = r8
L3:
    if r4 goto L4 else goto L5 :: bool
L4:
    r9 = cast(__main__.R, x)
    return r9
L5:
    r10 = A()
    return r10

[case testIsInstanceFewSubclassesTrait]
from mypy_extensions import trait
class B: pass
@trait
class R: pass
class A(B, R): pass
class C(B, R): pass

def f(x: object) -> R:
    if isinstance(x, R):
        return x
    return A()
[out]
def f(x):
    x, r0 :: object
    r1 :: ptr
    r2 :: object
    r3 :: bit
    r4 :: bool
    r5 :: object
    r6 :: ptr
    r7 :: object
    r8 :: bit
    r9 :: __main__.R
    r10 :: __main__.A
L0:
    r0 = __main__.A :: type
    r1 = get_element_ptr x ob_type :: PyObject
    r2 = borrow load_mem r1 :: builtins.object*
    keep_alive x
    r3 = r2 == r0
    if r3 goto L1 else goto L2 :: bool
L1:
    r4 = r3
    goto L3
L2:
    r5 = __main__.C :: type
    r6 = get_element_ptr x ob_type :: PyObject
    r7 = borrow load_mem r6 :: builtins.object*
    keep_alive x
    r8 = r7 == r5
    r4 = r8
L3:
    if r4 goto L4 else goto L5 :: bool
L4:
    r9 = cast(__main__.R, x)
    return r9
L5:
    r10 = A()
    return r10

[case testIsInstanceManySubclasses]
class R: pass
class A(R): pass
class B(R): pass
class C(R): pass

def f(x: object) -> R:
    if isinstance(x, R):
        return x
    return B()
[out]
def f(x):
    x, r0 :: object
    r1 :: bool
    r2 :: __main__.R
    r3 :: __main__.B
L0:
    r0 = __main__.R :: type
    r1 = CPy_TypeCheck(x, r0)
    if r1 goto L1 else goto L2 :: bool
L1:
    r2 = cast(__main__.R, x)
    return r2
L2:
    r3 = B()
    return r3

[case testFakeSuper]
class A:
    def __init__(self, x: int) -> None:
        self.x = x
class B(A):
    def __init__(self, x: int, y: int) -> None:
        A.__init__(self, x)
        self.y = y
[out]
def A.__init__(self, x):
    self :: __main__.A
    x :: int
L0:
    self.x = x
    return 1
def B.__init__(self, x, y):
    self :: __main__.B
    x, y :: int
    r0 :: None
L0:
    r0 = A.__init__(self, x)
    self.y = y
    return 1

[case testClassMethod]
class C:
    @staticmethod
    def foo(x: int) -> int: return 10 + x
    @classmethod
    def bar(cls, x: int) -> int: return 10 + x

def lol() -> int:
    return C.foo(1) + C.bar(2)
[out]
def C.foo(x):
    x, r0 :: int
L0:
    r0 = CPyTagged_Add(20, x)
    return r0
def C.bar(cls, x):
    cls :: object
    x, r0 :: int
L0:
    r0 = CPyTagged_Add(20, x)
    return r0
def lol():
    r0 :: int
    r1 :: object
    r2, r3 :: int
L0:
    r0 = C.foo(2)
    r1 = __main__.C :: type
    r2 = C.bar(r1, 4)
    r3 = CPyTagged_Add(r0, r2)
    return r3

[case testCallClassMethodViaCls_64bit]
class C:
    @classmethod
    def f(cls, x: int) -> int:
        return cls.g(x)

    @classmethod
    def g(cls, x: int) -> int:
        return x

class D:
    @classmethod
    def f(cls, x: int) -> int:
        # TODO: This could also be optimized, since g is not ever overridden
        return cls.g(x)

    @classmethod
    def g(cls, x: int) -> int:
        return x

class DD(D):
    pass
[out]
def C.f(cls, x):
    cls :: object
    x :: int
    r0 :: object
    r1 :: int
L0:
    r0 = __main__.C :: type
    r1 = C.g(r0, x)
    return r1
def C.g(cls, x):
    cls :: object
    x :: int
L0:
    return x
def D.f(cls, x):
    cls :: object
    x :: int
    r0 :: str
    r1 :: object
    r2 :: object[2]
    r3 :: object_ptr
    r4 :: object
    r5 :: int
L0:
    r0 = 'g'
    r1 = box(int, x)
    r2 = [cls, r1]
    r3 = load_address r2
    r4 = PyObject_VectorcallMethod(r0, r3, 9223372036854775810, 0)
    keep_alive cls, r1
    r5 = unbox(int, r4)
    return r5
def D.g(cls, x):
    cls :: object
    x :: int
L0:
    return x

[case testCannotAssignToClsArgument]
from typing import Any, cast

class C:
    @classmethod
    def m(cls) -> None:
        cls = cast(Any, D)  # E: Cannot assign to the first argument of classmethod
        cls, x = cast(Any, D), 1  # E: Cannot assign to the first argument of classmethod
        cls, x = cast(Any, [1, 2])  # E: Cannot assign to the first argument of classmethod
        cls.m()

class D:
    pass

[case testSuper1]
class A:
    def __init__(self, x: int) -> None:
        self.x = x
class B(A):
    def __init__(self, x: int, y: int) -> None:
        super().__init__(x)
        self.y = y
[out]
def A.__init__(self, x):
    self :: __main__.A
    x :: int
L0:
    self.x = x
    return 1
def B.__init__(self, x, y):
    self :: __main__.B
    x, y :: int
    r0 :: None
L0:
    r0 = A.__init__(self, x)
    self.y = y
    return 1

[case testSuper2]
from mypy_extensions import trait
@trait
class T:
    def foo(self) -> None: pass

class X(T):
    def foo(self) -> None:
        super().foo()
[out]
def T.foo(self):
    self :: __main__.T
L0:
    return 1
def X.foo(self):
    self :: __main__.X
    r0 :: None
L0:
    r0 = T.foo(self)
    return 1

[case testSuperCallToObjectInitIsOmitted]
class C:
    def __init__(self) -> None:
        super().__init__()
class D: pass
class E(D):
    def __init__(self) -> None:
        super().__init__()
class F(C):
    def __init__(self) -> None:
        super().__init__()
class DictSubclass(dict):
    def __init__(self) -> None:
        super().__init__()
[out]
def C.__init__(self):
    self :: __main__.C
L0:
    return 1
def E.__init__(self):
    self :: __main__.E
L0:
    return 1
def F.__init__(self):
    self :: __main__.F
    r0 :: None
L0:
    r0 = C.__init__(self)
    return 1
def DictSubclass.__init__(self):
    self :: dict
    r0 :: object
    r1 :: str
    r2, r3 :: object
    r4 :: object[2]
    r5 :: object_ptr
    r6 :: object
    r7 :: str
    r8, r9 :: object
L0:
    r0 = builtins :: module
    r1 = 'super'
    r2 = CPyObject_GetAttr(r0, r1)
    r3 = __main__.DictSubclass :: type
    r4 = [r3, self]
    r5 = load_address r4
    r6 = PyObject_Vectorcall(r2, r5, 2, 0)
    keep_alive r3, self
    r7 = '__init__'
    r8 = CPyObject_GetAttr(r6, r7)
    r9 = PyObject_Vectorcall(r8, 0, 0, 0)
    return 1

[case testClassVariable]
from typing import ClassVar
class A:
    x = 10  # type: ClassVar[int]

def f() -> int:
    return A.x
[out]
def f():
    r0 :: object
    r1 :: str
    r2 :: object
    r3 :: int
L0:
    r0 = __main__.A :: type
    r1 = 'x'
    r2 = CPyObject_GetAttr(r0, r1)
    r3 = unbox(int, r2)
    return r3

[case testNoEqDefined]
class A:
    pass

def f(a: A, b: A) -> bool:
    return a == b

def f2(a: A, b: A) -> bool:
    return a != b

[out]
def f(a, b):
    a, b :: __main__.A
    r0 :: bit
L0:
    r0 = a == b
    return r0
def f2(a, b):
    a, b :: __main__.A
    r0 :: bit
L0:
    r0 = a != b
    return r0

[case testEqDefined]
class Base:
    def __eq__(self, other: object) -> bool:
        return False
class Derived(Base):
    def __eq__(self, other: object) -> bool:
        return True

def f(a: Base, b: Base) -> bool:
    return a == b

def f2(a: Base, b: Base) -> bool:
    return a != b

def fOpt(a: Derived, b: Derived) -> bool:
    return a == b

def fOpt2(a: Derived, b: Derived) -> bool:
    return a != b

[out]
def Base.__eq__(self, other):
    self :: __main__.Base
    other, r0 :: object
L0:
    r0 = box(bool, 0)
    return r0
def Base.__ne__(__mypyc_self__, rhs):
    __mypyc_self__ :: __main__.Base
    rhs, r0, r1 :: object
    r2 :: bit
    r3 :: object
    r4, r5 :: bit
    r6 :: object
    r7 :: bit
    r8 :: i32
    r9 :: bit
    r10 :: bool
    r11 :: object
L0:
    r0 = __mypyc_self__.__eq__(rhs)
    r1 = load_address _Py_NotImplementedStruct
    r2 = r0 == r1
    if r2 goto L7 else goto L1 :: bool
L1:
    r3 = load_global Py_True :: static
    r4 = r0 == r3
    if r4 goto L2 else goto L3 :: bool
L2:
    r5 = 0
    goto L6
L3:
    r6 = load_global Py_False :: static
    r7 = r0 == r6
    if r7 goto L4 else goto L5 :: bool
L4:
    r5 = 1
    goto L6
L5:
    r8 = PyObject_Not(r0)
    r9 = r8 >= 0 :: signed
    r10 = truncate r8: i32 to builtins.bool
    r5 = r10
L6:
    r11 = box(bit, r5)
    return r11
L7:
    return r1
def Derived.__eq__(self, other):
    self :: __main__.Derived
    other, r0 :: object
L0:
    r0 = box(bool, 1)
    return r0
def f(a, b):
    a, b :: __main__.Base
    r0 :: object
    r1 :: bool
L0:
    r0 = PyObject_RichCompare(a, b, 2)
    r1 = unbox(bool, r0)
    return r1
def f2(a, b):
    a, b :: __main__.Base
    r0 :: object
    r1 :: bool
L0:
    r0 = PyObject_RichCompare(a, b, 3)
    r1 = unbox(bool, r0)
    return r1
def fOpt(a, b):
    a, b :: __main__.Derived
    r0 :: object
    r1 :: bool
L0:
    r0 = a.__eq__(b)
    r1 = unbox(bool, r0)
    return r1
def fOpt2(a, b):
    a, b :: __main__.Derived
    r0 :: object
    r1 :: bool
L0:
    r0 = a.__ne__(b)
    r1 = unbox(bool, r0)
    return r1

[case testEqDefinedLater_64bit]
def f(a: 'Base', b: 'Base') -> bool:
    return a == b

def f2(a: 'Base', b: 'Base') -> bool:
    return a != b

def fOpt(a: 'Derived', b: 'Derived') -> bool:
    return a == b

def fOpt2(a: 'Derived', b: 'Derived') -> bool:
    return a != b

class Base:
    pass
class Derived(Base):
    def __eq__(self, other: object) -> bool:
        return True

[out]
def f(a, b):
    a, b :: __main__.Base
    r0 :: object
    r1 :: bool
L0:
    r0 = PyObject_RichCompare(a, b, 2)
    r1 = unbox(bool, r0)
    return r1
def f2(a, b):
    a, b :: __main__.Base
    r0 :: object
    r1 :: bool
L0:
    r0 = PyObject_RichCompare(a, b, 3)
    r1 = unbox(bool, r0)
    return r1
def fOpt(a, b):
    a, b :: __main__.Derived
    r0 :: object
    r1 :: bool
L0:
    r0 = a.__eq__(b)
    r1 = unbox(bool, r0)
    return r1
def fOpt2(a, b):
    a, b :: __main__.Derived
    r0 :: str
    r1 :: object[2]
    r2 :: object_ptr
    r3 :: object
    r4 :: bool
L0:
    r0 = '__ne__'
    r1 = [a, b]
    r2 = load_address r1
    r3 = PyObject_VectorcallMethod(r0, r2, 9223372036854775810, 0)
    keep_alive a, b
    r4 = unbox(bool, r3)
    return r4
def Derived.__eq__(self, other):
    self :: __main__.Derived
    other, r0 :: object
L0:
    r0 = box(bool, 1)
    return r0
def Derived.__ne__(__mypyc_self__, rhs):
    __mypyc_self__ :: __main__.Derived
    rhs, r0, r1 :: object
    r2 :: bit
    r3 :: object
    r4, r5 :: bit
    r6 :: object
    r7 :: bit
    r8 :: i32
    r9 :: bit
    r10 :: bool
    r11 :: object
L0:
    r0 = __mypyc_self__.__eq__(rhs)
    r1 = load_address _Py_NotImplementedStruct
    r2 = r0 == r1
    if r2 goto L7 else goto L1 :: bool
L1:
    r3 = load_global Py_True :: static
    r4 = r0 == r3
    if r4 goto L2 else goto L3 :: bool
L2:
    r5 = 0
    goto L6
L3:
    r6 = load_global Py_False :: static
    r7 = r0 == r6
    if r7 goto L4 else goto L5 :: bool
L4:
    r5 = 1
    goto L6
L5:
    r8 = PyObject_Not(r0)
    r9 = r8 >= 0 :: signed
    r10 = truncate r8: i32 to builtins.bool
    r5 = r10
L6:
    r11 = box(bit, r5)
    return r11
L7:
    return r1

[case testDefaultVars]
from typing import ClassVar, Optional
class A:
    x = 10
    def lol(self) -> None:
        self.x = 100

LOL = 'lol'
class B(A):
    y = LOL
    z: Optional[str] = None
    b = True
    bogus = None  # type: int
[out]
def A.lol(self):
    self :: __main__.A
    r0 :: bool
L0:
    self.x = 200; r0 = is_error
    return 1
def A.__mypyc_defaults_setup(__mypyc_self__):
    __mypyc_self__ :: __main__.A
L0:
    __mypyc_self__.x = 20
    return 1
def B.__mypyc_defaults_setup(__mypyc_self__):
    __mypyc_self__ :: __main__.B
    r0 :: dict
    r1 :: str
    r2 :: object
    r3 :: str
    r4 :: object
L0:
    __mypyc_self__.x = 20
    r0 = __main__.globals :: static
    r1 = 'LOL'
    r2 = CPyDict_GetItem(r0, r1)
    r3 = cast(str, r2)
    __mypyc_self__.y = r3
    r4 = box(None, 1)
    __mypyc_self__.z = r4
    __mypyc_self__.b = 1
    return 1

[case testSubclassDictSpecalized]
from typing import Dict
class WelpDict(Dict[str, int]):
    pass
def foo(x: WelpDict) -> None:
    # we care that the specalized op gets used
    x.update(x)
[out]
def foo(x):
    x :: dict
    r0 :: i32
    r1 :: bit
L0:
    r0 = CPyDict_Update(x, x)
    r1 = r0 >= 0 :: signed
    return 1

[case testNoSpuriousLinearity]
# Make sure that the non-trait MRO linearity check isn't affected by processing order
class A(B): pass
class B(C): pass
class C: pass
[out]

[case testDeletableSemanticAnalysis]
class Err1:
    __deletable__ = 'x'  # E: "__deletable__" must be initialized with a list or tuple expression
class Err2:
    __deletable__ = [
        1  # E: Invalid "__deletable__" item; string literal expected
    ]
class Err3:
    __deletable__ = ['x', ['y'], 'z']  # E: Invalid "__deletable__" item; string literal expected
class Err4:
    __deletable__ = (1,)  # E: Invalid "__deletable__" item; string literal expected
a = ['x']
class Err5:
    __deletable__ = a  # E: "__deletable__" must be initialized with a list or tuple expression

class Ok1:
    __deletable__ = ('x',)
    x: int
class Ok2:
    __deletable__ = ['x']
    x: int

[case testInvalidDeletableAttribute]
class NotDeletable:
    __deletable__ = ['x']
    x: int
    y: int

def g(o: NotDeletable) -> None:
    del o.x
    del o.y  # E: "y" cannot be deleted \
             # N: Using "__deletable__ = ['<attr>']" in the class body enables "del obj.<attr>"

class Base:
    x: int

class Deriv(Base):
    __deletable__ = ['x']  # E: Attribute "x" not defined in "Deriv" (defined in "Base")

class UndefinedDeletable:
    __deletable__ = ['x']  # E: Attribute "x" not defined

class DeletableProperty:
    __deletable__ = ['prop']  # E: Cannot make property "prop" deletable

    @property
    def prop(self) -> int:
        return 5

[case testFinalDeletable]
from typing import Final

class DeletableFinal1:
    x: Final[int]  # E: Deletable attribute cannot be final

    __deletable__ = ['x']

    def __init__(self, x: int) -> None:
        self.x = x

class DeletableFinal2:
    X: Final = 0  # E: Deletable attribute cannot be final

    __deletable__ = ['X']

[case testNeedAnnotateClassVar]
from typing import Final, ClassVar, Type

class C:
    a = 'A'
    b: str = 'B'
    f: Final = 'F'
    c: ClassVar = 'C'

class D(C):
    pass

def f() -> None:
    C.a  # E: Cannot access instance attribute "a" through class object \
         # N: (Hint: Use "x: Final = ..." or "x: ClassVar = ..." to define a class attribute)
    C.b  # E: Cannot access instance attribute "b" through class object \
         # N: (Hint: Use "x: Final = ..." or "x: ClassVar = ..." to define a class attribute)
    C.f
    C.c

    D.a  # E: Cannot access instance attribute "a" through class object \
         # N: (Hint: Use "x: Final = ..." or "x: ClassVar = ..." to define a class attribute)
    D.b  # E: Cannot access instance attribute "b" through class object \
         # N: (Hint: Use "x: Final = ..." or "x: ClassVar = ..." to define a class attribute)
    D.f
    D.c

def g(c: Type[C], d: Type[D]) -> None:
    c.a  # E: Cannot access instance attribute "a" through class object \
         # N: (Hint: Use "x: Final = ..." or "x: ClassVar = ..." to define a class attribute)
    c.f
    c.c

    d.a  # E: Cannot access instance attribute "a" through class object \
         # N: (Hint: Use "x: Final = ..." or "x: ClassVar = ..." to define a class attribute)
    d.f
    d.c

[case testSetAttributeWithDefaultInInit]
class C:
    s = ''

    def __init__(self, s: str) -> None:
        self.s = s
[out]
def C.__init__(self, s):
    self :: __main__.C
    s :: str
    r0 :: bool
L0:
    self.s = s; r0 = is_error
    return 1
def C.__mypyc_defaults_setup(__mypyc_self__):
    __mypyc_self__ :: __main__.C
    r0 :: str
L0:
    r0 = ''
    __mypyc_self__.s = r0
    return 1

[case testBorrowAttribute]
def f(d: D) -> int:
    return d.c.x

class C:
    x: int
class D:
    c: C
[out]
def f(d):
    d :: __main__.D
    r0 :: __main__.C
    r1 :: int
L0:
    r0 = borrow d.c
    r1 = r0.x
    keep_alive d
    return r1

[case testNoBorrowOverPropertyAccess]
class C:
    d: D
class D:
    @property
    def e(self) -> E:
        return E()
class E:
    x: int
def f(c: C) -> int:
    return c.d.e.x
[out]
def D.e(self):
    self :: __main__.D
    r0 :: __main__.E
L0:
    r0 = E()
    return r0
def f(c):
    c :: __main__.C
    r0 :: __main__.D
    r1 :: __main__.E
    r2 :: int
L0:
    r0 = c.d
    r1 = r0.e
    r2 = r1.x
    return r2

[case testBorrowResultOfCustomGetItemInIfStatement]
from typing import List

class C:
    def __getitem__(self, x: int) -> List[int]:
        return []

def f(x: C) -> None:
    # In this case the keep_alive must come before the branch, as otherwise
    # reference count transform will get confused.
    if x[1][0] == 2:
        y = 1
    else:
        y = 2
[out]
def C.__getitem__(self, x):
    self :: __main__.C
    x :: int
    r0 :: list
L0:
    r0 = PyList_New(0)
    return r0
def f(x):
    x :: __main__.C
    r0 :: list
    r1 :: object
    r2 :: int
    r3 :: bit
    y :: int
L0:
    r0 = x.__getitem__(2)
    r1 = CPyList_GetItemShortBorrow(r0, 0)
    r2 = unbox(int, r1)
    r3 = int_eq r2, 4
    keep_alive r0
    if r3 goto L1 else goto L2 :: bool
L1:
    y = 2
    goto L3
L2:
    y = 4
L3:
    return 1

[case testIncompatibleDefinitionOfAttributeInSubclass]
from mypy_extensions import trait

class Base:
    x: int

class Bad1(Base):
    x: bool  # E: Type of "x" is incompatible with definition in class "Base"

class Good1(Base):
    x: int

class Good2(Base):
    x: int = 0

class Good3(Base):
    x = 0

class Good4(Base):
    def __init__(self) -> None:
        self.x = 0

class Good5(Base):
    def __init__(self) -> None:
        self.x: int = 0

class Base2(Base):
    pass

class Bad2(Base2):
    x: bool = False  # E: Type of "x" is incompatible with definition in class "Base"

class Bad3(Base):
    x = False  # E: Type of "x" is incompatible with definition in class "Base"

@trait
class T:
    y: object

class E(T):
    y: str  # E: Type of "y" is incompatible with definition in trait "T"


[case testNestedClasses]
def outer():
    class Inner:  # E: Nested class definitions not supported
        pass

    return Inner

if True:
    class OtherInner:  # E: Nested class definitions not supported
        pass

[case testEnumClassAlias]
from enum import Enum
from typing import Literal, Union

class SomeEnum(Enum):
    AVALUE = "a"

ALIAS = Literal[SomeEnum.AVALUE]
ALIAS2 = Union[Literal[SomeEnum.AVALUE], None]

[case testMypycAttrNativeClassErrors]
from mypy_extensions import mypyc_attr

@mypyc_attr(native_class=False)
class AnnontatedNonExtensionClass:
    pass

@mypyc_attr(native_class=False)
class DerivedExplicitNonNativeClass(AnnontatedNonExtensionClass):
    pass


def decorator(cls):
    return cls

@mypyc_attr(native_class=True)
@decorator
class NonNativeClassContradiction():  # E: Class is marked as native_class=True but it can't be a native class. Classes that have decorators other than supported decorators can't be native classes.
    pass


@mypyc_attr(native_class="yes")
class BadUse():  # E: native_class must be used with True or False only
    pass

[case testMypycAttrNativeClassMetaError]
from mypy_extensions import mypyc_attr

@mypyc_attr(native_class=True)
class M(type):  # E: Inheriting from most builtin types is unimplemented \
                # N: Potential workaround: @mypy_extensions.mypyc_attr(native_class=False) \
                # N: https://mypyc.readthedocs.io/en/stable/native_classes.html#defining-non-native-classes
    pass

@mypyc_attr(native_class=True)
class A(metaclass=M):  # E: Class is marked as native_class=True but it can't be a native class. Classes with a metaclass other than ABCMeta, TypingMeta or GenericMeta can't be native classes.
    pass

[case testReservedName]
from typing import Any, overload

def decorator(cls):
    return cls

class TestMethod:
    def __mypyc_generator_helper__(self) -> None:  # E: Method name "__mypyc_generator_helper__" is reserved for mypyc internal use
        pass

class TestDecorator:
    @decorator  # E: Method name "__mypyc_generator_helper__" is reserved for mypyc internal use
    def __mypyc_generator_helper__(self) -> None:
        pass

class TestOverload:
    @overload # E: Method name "__mypyc_generator_helper__" is reserved for mypyc internal use
    def __mypyc_generator_helper__(self, x: int) -> int: ...

    @overload
    def __mypyc_generator_helper__(self, x: str) -> str: ...

    def __mypyc_generator_helper__(self, x: Any) -> Any:
        return x

[case testNativeBufferFastPath]
from typing import Final
from mypy_extensions import u8
from librt.internal import (
    WriteBuffer, ReadBuffer, write_bool, read_bool, write_str, read_str, write_float, read_float,
    write_int, read_int, write_tag, read_tag, write_bytes, read_bytes,
    cache_version,
)

Tag = u8
TAG: Final[Tag] = 1

def foo() -> None:
    b = WriteBuffer()
    write_str(b, "foo")
    write_bytes(b, b"bar")
    write_bool(b, True)
    write_float(b, 0.1)
    write_int(b, 1)
    write_tag(b, TAG)

    rb = ReadBuffer(b.getvalue())
    x = read_str(rb)
    xb = read_bytes(rb)
    y = read_bool(rb)
    z = read_float(rb)
    t = read_int(rb)
    u = read_tag(rb)
    v = cache_version()
[out]
def foo():
    r0, b :: librt.internal.WriteBuffer
    r1 :: str
    r2 :: None
    r3 :: bytes
    r4, r5, r6, r7, r8 :: None
    r9 :: bytes
    r10, rb :: librt.internal.ReadBuffer
    r11, x :: str
    r12, xb :: bytes
    r13, y :: bool
    r14, z :: float
    r15, t :: int
    r16, u, r17, v :: u8
L0:
    r0 = WriteBuffer_internal()
    b = r0
    r1 = 'foo'
    r2 = write_str_internal(b, r1)
    r3 = b'bar'
    r4 = write_bytes_internal(b, r3)
    r5 = write_bool_internal(b, 1)
    r6 = write_float_internal(b, 0.1)
    r7 = write_int_internal(b, 2)
    r8 = write_tag_internal(b, 1)
    r9 = WriteBuffer_getvalue_internal(b)
    r10 = ReadBuffer_internal(r9)
    rb = r10
    r11 = read_str_internal(rb)
    x = r11
    r12 = read_bytes_internal(rb)
    xb = r12
    r13 = read_bool_internal(rb)
    y = r13
    r14 = read_float_internal(rb)
    z = r14
    r15 = read_int_internal(rb)
    t = r15
    r16 = read_tag_internal(rb)
    u = r16
    r17 = cache_version_internal()
    v = r17
    return 1

[case testEnumFastPath]
from enum import Enum

def test(e: E) -> bool:
    return e.is_one()

class E(Enum):
    ONE = 1
    TWO = 2

    def is_one(self) -> bool:
        return self == E.ONE
[out]
def test(e):
    e :: __main__.E
    r0 :: bool
L0:
    r0 = e.__mypyc_fast_is_one()
    return r0
def is_one_E_obj.__get__(__mypyc_self__, instance, owner):
    __mypyc_self__, instance, owner, r0 :: object
    r1 :: bit
    r2 :: object
L0:
    r0 = load_address _Py_NoneStruct
    r1 = instance == r0
    if r1 goto L1 else goto L2 :: bool
L1:
    return __mypyc_self__
L2:
    r2 = PyMethod_New(__mypyc_self__, instance)
    return r2
def is_one_E_obj.__call__(__mypyc_self__, self):
    __mypyc_self__ :: __main__.is_one_E_obj
    self, r0 :: __main__.E
    r1 :: bool
    r2 :: bit
L0:
    r0 = __main__.E.ONE :: static
    if is_error(r0) goto L1 else goto L2
L1:
    r1 = raise NameError('value for final name "ONE" was not set')
    unreachable
L2:
    r2 = self == r0
    return r2
def E.__mypyc_fast_is_one(self):
    self, r0 :: __main__.E
    r1 :: bool
    r2 :: bit
L0:
    r0 = __main__.E.ONE :: static
    if is_error(r0) goto L1 else goto L2
L1:
    r1 = raise NameError('value for final name "ONE" was not set')
    unreachable
L2:
    r2 = self == r0
    return r2

[case testTypeObjectName_python3_11]
from typing import Any

class C: pass
class D(C): pass

def n1(t: type[object]) -> str:
    return t.__name__

def n2(t: Any) -> str:
    return t.__name__

def n3() -> str:
    return C.__name__

def n4(t: type[C]) -> str:
    return t.__name__
[out]
def n1(t):
    t, r0 :: object
    r1 :: str
L0:
    r0 = CPy_GetName(t)
    r1 = cast(str, r0)
    return r1
def n2(t):
    t, r0 :: object
    r1 :: str
L0:
    r0 = CPy_GetName(t)
    r1 = cast(str, r0)
    return r1
def n3():
    r0, r1 :: object
    r2 :: str
L0:
    r0 = __main__.C :: type
    r1 = CPy_GetName(r0)
    r2 = cast(str, r1)
    return r2
def n4(t):
    t, r0 :: object
    r1 :: str
L0:
    r0 = CPy_GetName(t)
    r1 = cast(str, r0)
    return r1

[case testTypeOfObject]
class C: pass
class D(C): pass

def generic_type(x: object) -> type[object]:
    return type(x)

def generic_class(x: object) -> type[object]:
    return x.__class__

def native_type(x: C) -> type[object]:
    return type(x)

def native_class(x: C) -> type[object]:
    return x.__class__
[out]
def generic_type(x):
    x, r0 :: object
L0:
    r0 = CPy_TYPE(x)
    return r0
def generic_class(x):
    x :: object
    r0 :: str
    r1 :: object
L0:
    r0 = '__class__'
    r1 = CPyObject_GetAttr(x, r0)
    return r1
def native_type(x):
    x :: __main__.C
    r0 :: object
L0:
    r0 = CPy_TYPE(x)
    return r0
def native_class(x):
    x :: __main__.C
    r0 :: object
L0:
    r0 = CPy_TYPE(x)
    return r0

[case testDunderNew]
from __future__ import annotations
from typing import Any

class Test:
    val: int

    def __new__(cls, val: int) -> Test:
        obj = super().__new__(cls)
        obj.val = val
        return obj

def fn() -> Test:
    return Test.__new__(Test, 42)

class NewClassMethod:
    val: int

    @classmethod
    def __new__(cls, val: int) -> NewClassMethod:
        obj = super().__new__(cls)
        obj.val = val
        return obj

def fn2() -> NewClassMethod:
    return NewClassMethod.__new__(42)

class NotTransformed:
    def __new__(cls, val: int) -> Any:
        return super().__new__(str)

    def factory(cls: Any, val: int) -> Any:
        cls = str
        return super().__new__(cls)

[out]
def Test.__new__(cls, val):
    cls :: object
    val :: int
    r0, obj :: __main__.Test
    r1 :: bool
L0:
    r0 = __mypyc__Test_setup(cls)
    obj = r0
    obj.val = val; r1 = is_error
    return obj
def fn():
    r0 :: object
    r1 :: __main__.Test
L0:
    r0 = __main__.Test :: type
    r1 = Test.__new__(r0, 84)
    return r1
def NewClassMethod.__new__(cls, val):
    cls :: object
    val :: int
    r0, obj :: __main__.NewClassMethod
    r1 :: bool
L0:
    r0 = __mypyc__NewClassMethod_setup(cls)
    obj = r0
    obj.val = val; r1 = is_error
    return obj
def fn2():
    r0 :: object
    r1 :: __main__.NewClassMethod
L0:
    r0 = __main__.NewClassMethod :: type
    r1 = NewClassMethod.__new__(r0, 84)
    return r1
def NotTransformed.__new__(cls, val):
    cls :: object
    val :: int
    r0 :: object
    r1 :: str
    r2, r3 :: object
    r4 :: object[2]
    r5 :: object_ptr
    r6 :: object
    r7 :: str
    r8, r9 :: object
    r10 :: object[1]
    r11 :: object_ptr
    r12 :: object
    r13 :: str
L0:
    r0 = builtins :: module
    r1 = 'super'
    r2 = CPyObject_GetAttr(r0, r1)
    r3 = __main__.NotTransformed :: type
    r4 = [r3, cls]
    r5 = load_address r4
    r6 = PyObject_Vectorcall(r2, r5, 2, 0)
    keep_alive r3, cls
    r7 = '__new__'
    r8 = CPyObject_GetAttr(r6, r7)
    r9 = load_address PyUnicode_Type
    r10 = [r9]
    r11 = load_address r10
    r12 = PyObject_Vectorcall(r8, r11, 1, 0)
    keep_alive r9
    r13 = cast(str, r12)
    return r13
def NotTransformed.factory(cls, val):
    cls :: object
    val :: int
    r0, r1 :: object
    r2 :: str
    r3, r4 :: object
    r5 :: object[2]
    r6 :: object_ptr
    r7 :: object
    r8 :: str
    r9 :: object
    r10 :: object[1]
    r11 :: object_ptr
    r12 :: object
L0:
    r0 = load_address PyUnicode_Type
    cls = r0
    r1 = builtins :: module
    r2 = 'super'
    r3 = CPyObject_GetAttr(r1, r2)
    r4 = __main__.NotTransformed :: type
    r5 = [r4, cls]
    r6 = load_address r5
    r7 = PyObject_Vectorcall(r3, r6, 2, 0)
    keep_alive r4, cls
    r8 = '__new__'
    r9 = CPyObject_GetAttr(r7, r8)
    r10 = [cls]
    r11 = load_address r10
    r12 = PyObject_Vectorcall(r9, r11, 1, 0)
    keep_alive cls
    return r12

[case testObjectDunderNew_64bit]
from __future__ import annotations
from mypy_extensions import mypyc_attr
from typing import Any

class Test:
    val: int

    def __new__(cls, val: int) -> Test:
        obj = object.__new__(cls)
        obj.val = val
        return obj

def fn() -> Test:
    return Test.__new__(Test, 42)

class NewClassMethod:
    val: int

    @classmethod
    def __new__(cls, val: int) -> NewClassMethod:
        obj = object.__new__(cls)
        obj.val = val
        return obj

def fn2() -> NewClassMethod:
    return NewClassMethod.__new__(42)

class NotTransformed:
    def __new__(cls, val: int) -> Any:
        return object.__new__(str)

    def factory(cls: Any, val: int) -> Any:
        cls = str
        return object.__new__(cls)

@mypyc_attr(native_class=False)
class NonNative:
    def __new__(cls: Any) -> Any:
        cls = str
        return cls("str")

class InheritsPython(dict):
    def __new__(cls: Any) -> Any:
        cls = dict
        return cls({})

class ObjectNewOutsideDunderNew:
    def __init__(self) -> None:
        object.__new__(ObjectNewOutsideDunderNew)

def object_new_outside_class() -> None:
    object.__new__(Test)

[out]
def Test.__new__(cls, val):
    cls :: object
    val :: int
    r0, obj :: __main__.Test
    r1 :: bool
L0:
    r0 = __mypyc__Test_setup(cls)
    obj = r0
    obj.val = val; r1 = is_error
    return obj
def fn():
    r0 :: object
    r1 :: __main__.Test
L0:
    r0 = __main__.Test :: type
    r1 = Test.__new__(r0, 84)
    return r1
def NewClassMethod.__new__(cls, val):
    cls :: object
    val :: int
    r0, obj :: __main__.NewClassMethod
    r1 :: bool
L0:
    r0 = __mypyc__NewClassMethod_setup(cls)
    obj = r0
    obj.val = val; r1 = is_error
    return obj
def fn2():
    r0 :: object
    r1 :: __main__.NewClassMethod
L0:
    r0 = __main__.NewClassMethod :: type
    r1 = NewClassMethod.__new__(r0, 84)
    return r1
def NotTransformed.__new__(cls, val):
    cls :: object
    val :: int
    r0 :: object
    r1 :: str
    r2, r3 :: object
    r4 :: str
    r5 :: object[2]
    r6 :: object_ptr
    r7 :: object
    r8 :: str
L0:
    r0 = builtins :: module
    r1 = 'object'
    r2 = CPyObject_GetAttr(r0, r1)
    r3 = load_address PyUnicode_Type
    r4 = '__new__'
    r5 = [r2, r3]
    r6 = load_address r5
    r7 = PyObject_VectorcallMethod(r4, r6, 9223372036854775810, 0)
    keep_alive r2, r3
    r8 = cast(str, r7)
    return r8
def NotTransformed.factory(cls, val):
    cls :: object
    val :: int
    r0, r1 :: object
    r2 :: str
    r3 :: object
    r4 :: str
    r5 :: object[2]
    r6 :: object_ptr
    r7 :: object
L0:
    r0 = load_address PyUnicode_Type
    cls = r0
    r1 = builtins :: module
    r2 = 'object'
    r3 = CPyObject_GetAttr(r1, r2)
    r4 = '__new__'
    r5 = [r3, cls]
    r6 = load_address r5
    r7 = PyObject_VectorcallMethod(r4, r6, 9223372036854775810, 0)
    keep_alive r3, cls
    return r7
def __new___NonNative_obj.__get__(__mypyc_self__, instance, owner):
    __mypyc_self__, instance, owner, r0 :: object
    r1 :: bit
    r2 :: object
L0:
    r0 = load_address _Py_NoneStruct
    r1 = instance == r0
    if r1 goto L1 else goto L2 :: bool
L1:
    return __mypyc_self__
L2:
    r2 = PyMethod_New(__mypyc_self__, instance)
    return r2
def __new___NonNative_obj.__call__(__mypyc_self__, cls):
    __mypyc_self__ :: __main__.__new___NonNative_obj
    cls, r0 :: object
    r1 :: str
    r2 :: object[1]
    r3 :: object_ptr
    r4 :: object
L0:
    r0 = load_address PyUnicode_Type
    cls = r0
    r1 = 'str'
    r2 = [r1]
    r3 = load_address r2
    r4 = PyObject_Vectorcall(cls, r3, 1, 0)
    keep_alive r1
    return r4
def InheritsPython.__new__(cls):
    cls, r0 :: object
    r1 :: dict
    r2 :: object[1]
    r3 :: object_ptr
    r4 :: object
L0:
    r0 = load_address PyDict_Type
    cls = r0
    r1 = PyDict_New()
    r2 = [r1]
    r3 = load_address r2
    r4 = PyObject_Vectorcall(cls, r3, 1, 0)
    keep_alive r1
    return r4
def ObjectNewOutsideDunderNew.__init__(self):
    self :: __main__.ObjectNewOutsideDunderNew
    r0 :: object
    r1 :: str
    r2, r3 :: object
    r4 :: str
    r5 :: object[2]
    r6 :: object_ptr
    r7 :: object
L0:
    r0 = builtins :: module
    r1 = 'object'
    r2 = CPyObject_GetAttr(r0, r1)
    r3 = __main__.ObjectNewOutsideDunderNew :: type
    r4 = '__new__'
    r5 = [r2, r3]
    r6 = load_address r5
    r7 = PyObject_VectorcallMethod(r4, r6, 9223372036854775810, 0)
    keep_alive r2, r3
    return 1
def object_new_outside_class():
    r0 :: object
    r1 :: str
    r2, r3 :: object
    r4 :: str
    r5 :: object[2]
    r6 :: object_ptr
    r7 :: object
L0:
    r0 = builtins :: module
    r1 = 'object'
    r2 = CPyObject_GetAttr(r0, r1)
    r3 = __main__.Test :: type
    r4 = '__new__'
    r5 = [r2, r3]
    r6 = load_address r5
    r7 = PyObject_VectorcallMethod(r4, r6, 9223372036854775810, 0)
    keep_alive r2, r3
    return 1

[case testUnsupportedDunderNew]
from __future__ import annotations
from mypy_extensions import mypyc_attr
from typing import Any

@mypyc_attr(native_class=False)
class NonNative:
    def __new__(cls) -> NonNative:
        return super().__new__(cls)  # E: "object.__new__()" not supported for non-extension classes

class InheritsPython(dict):
    def __new__(cls) -> InheritsPython:
        return super().__new__(cls)  # E: "object.__new__()" not supported for classes inheriting from non-native classes

@mypyc_attr(native_class=False)
class NonNativeObjectNew:
    def __new__(cls) -> NonNativeObjectNew:
        return object.__new__(cls)  # E: "object.__new__()" not supported for non-extension classes

class InheritsPythonObjectNew(dict):
    def __new__(cls) -> InheritsPythonObjectNew:
        return object.__new__(cls)  # E: "object.__new__()" not supported for classes inheriting from non-native classes

class ClsAssignment:
    def __new__(cls: Any) -> Any:
        cls = str  # E: Assignment to argument "cls" in "__new__" method unsupported
        return super().__new__(cls)

class ClsTupleAssignment:
    def __new__(class_i_want: Any, val: int) -> Any:
        class_i_want, val = dict, 1  # E: Assignment to argument "class_i_want" in "__new__" method unsupported
        return object.__new__(class_i_want)

class ClsListAssignment:
    def __new__(cls: Any, val: str) -> Any:
        [cls, val] = [object, "object"]  # E: Assignment to argument "cls" in "__new__" method unsupported
        return object.__new__(cls)

class ClsNestedAssignment:
    def __new__(cls: Any, val1: str, val2: int) -> Any:
        [val1, [val2, cls]] = ["val1", [2, int]]  # E: Assignment to argument "cls" in "__new__" method unsupported
        return object.__new__(cls)

class WrongNumberOfArgs:
    def __new__(cls):
        return super().__new__()  # E: "object.__new__()" supported only with 1 argument, got 0

class WrongNumberOfArgsObjectNew:
    def __new__(cls):
        return object.__new__(cls, 1)  # E: "object.__new__()" supported only with 1 argument, got 2

[case testClassWithFreeList]
from mypy_extensions import mypyc_attr, trait

@mypyc_attr(free_list_len=1)
class UsesFreeList:
    pass

@mypyc_attr(free_list_len=None)
class NoFreeList:
    pass

@mypyc_attr(free_list_len=2)  # E: Unsupported value for "free_list_len": 2
class FreeListError:
    pass

@trait
@mypyc_attr(free_list_len=1)  # E: "free_list_len" can't be used with traits
class NonNative:
    pass

@mypyc_attr(free_list_len=1, allow_interpreted_subclasses=True)  # E: "free_list_len" can't be used in a class that allows interpreted subclasses
class InterpSub:
    pass

[case testUnsupportedGetAttr]
from mypy_extensions import mypyc_attr

@mypyc_attr(allow_interpreted_subclasses=True)
class AllowsInterpreted:
    def __getattr__(self, attr: str) -> object:  # E: "__getattr__" not supported in class "AllowsInterpreted" because it allows interpreted subclasses
        return 0

class InheritsInterpreted(dict):
    def __getattr__(self, attr: str) -> object:  # E: "__getattr__" not supported in class "InheritsInterpreted" because it inherits from a non-native class
        return 0

@mypyc_attr(native_class=False)
class NonNative:
    pass

class InheritsNonNative(NonNative):
    def __getattr__(self, attr: str) -> object:  # E: "__getattr__" not supported in class "InheritsNonNative" because it inherits from a non-native class
        return 0

[case testGetAttr]
from typing import ClassVar

class GetAttr:
    class_var = "x"
    class_var_annotated: ClassVar[int] = 99

    def __init__(self, regular_attr: int):
        self.regular_attr = regular_attr

    def __getattr__(self, attr: str) -> object:
        return attr

    def method(self) -> int:
        return 0

def test_getattr() -> list[object]:
    i = GetAttr(42)
    one = i.one
    two = i.regular_attr
    three = i.class_var
    four = i.class_var_annotated
    five = i.method()
    return [one, two, three, four, five]

[typing fixtures/typing-full.pyi]
[out]
def GetAttr.__init__(self, regular_attr):
    self :: __main__.GetAttr
    regular_attr :: int
L0:
    self.regular_attr = regular_attr
    return 1
def GetAttr.__getattr__(self, attr):
    self :: __main__.GetAttr
    attr :: str
L0:
    return attr
def GetAttr.__getattr____wrapper(__mypyc_self__, attr):
    __mypyc_self__ :: __main__.GetAttr
    attr, r0 :: object
    r1 :: bit
    r2 :: str
    r3 :: object
L0:
    r0 = CPyObject_GenericGetAttr(__mypyc_self__, attr)
    r1 = r0 != 0
    if r1 goto L1 else goto L2 :: bool
L1:
    return r0
L2:
    r2 = cast(str, attr)
    r3 = __mypyc_self__.__getattr__(r2)
    return r3
def GetAttr.method(self):
    self :: __main__.GetAttr
L0:
    return 0
def GetAttr.__mypyc_defaults_setup(__mypyc_self__):
    __mypyc_self__ :: __main__.GetAttr
    r0 :: str
L0:
    r0 = 'x'
    __mypyc_self__.class_var = r0
    return 1
def test_getattr():
    r0, i :: __main__.GetAttr
    r1 :: str
    r2, one :: object
    r3, two :: int
    r4, three, r5 :: str
    r6 :: object
    r7, four, r8, five :: int
    r9 :: list
    r10, r11, r12 :: object
    r13 :: ptr
L0:
    r0 = GetAttr(84)
    i = r0
    r1 = 'one'
    r2 = CPyObject_GetAttr(i, r1)
    one = r2
    r3 = i.regular_attr
    two = r3
    r4 = i.class_var
    three = r4
    r5 = 'class_var_annotated'
    r6 = CPyObject_GetAttr(i, r5)
    r7 = unbox(int, r6)
    four = r7
    r8 = i.method()
    five = r8
    r9 = PyList_New(5)
    r10 = box(int, two)
    r11 = box(int, four)
    r12 = box(int, five)
    r13 = list_items r9
    buf_init_item r13, 0, one
    buf_init_item r13, 1, r10
    buf_init_item r13, 2, three
    buf_init_item r13, 3, r11
    buf_init_item r13, 4, r12
    keep_alive r9
    return r9

[case testUnsupportedSetAttr]
from mypy_extensions import mypyc_attr

@mypyc_attr(allow_interpreted_subclasses=True)
class AllowsInterpreted:
    def __setattr__(self, attr: str, val: object) -> None:  # E: "__setattr__" not supported in class "AllowsInterpreted" because it allows interpreted subclasses
        pass

    def __delattr__(self, attr: str) -> None:
        pass

class InheritsInterpreted(dict):
    def __setattr__(self, attr: str, val: object) -> None:  # E: "__setattr__" not supported in class "InheritsInterpreted" because it inherits from a non-native class
        pass

    def __delattr__(self, attr: str) -> None:
        pass

@mypyc_attr(native_class=False)
class NonNative:
    def __setattr__(self, attr: str, val: object) -> None:
        pass

class InheritsNonNative(NonNative):
    def __setattr__(self, attr: str, val: object) -> None:  # E: "__setattr__" not supported in class "InheritsNonNative" because it inherits from a non-native class
        pass

    def __delattr__(self, attr: str) -> None:
        pass

[case testUnsupportedDelAttr]
class SetAttr:
    def __setattr__(self, attr: str, val: object) -> None:
        pass

class NoSetAttr:
    def __delattr__(self, attr: str) -> None:  # E: "__delattr__" supported only in classes that also override "__setattr__", or inherit from a native class that overrides it.
        pass

class InheritedSetAttr(SetAttr):
    def __delattr__(self, attr: str) -> None:
        pass

[case testSetAttr]
from typing import ClassVar
class SetAttr:
    _attributes: dict[str, object]
    regular_attr: int
    class_var: ClassVar[str] = "x"

    def __init__(self, regular_attr: int, extra_attrs: dict[str, object], new_attr: str, new_val: object) -> None:
        super().__setattr__("_attributes", extra_attrs)
        object.__setattr__(self, "regular_attr", regular_attr)

        super().__setattr__(new_attr, new_val)
        object.__setattr__(self, new_attr, new_val)

    def __setattr__(self, key: str, val: object) -> None:
        if key == "regular_attr":
            super().__setattr__("regular_attr", val)
        elif key == "class_var":
            raise AttributeError()
        else:
            self._attributes[key] = val

def test(attr: str, val: object) -> None:
    i = SetAttr(99, {}, attr, val)
    i.regular_attr = 100
    i.new_attr = 101

    object.__setattr__(i, "regular_attr", 11)
    object.__setattr__(i, attr, val)

[typing fixtures/typing-full.pyi]
[out]
def SetAttr.__init__(self, regular_attr, extra_attrs, new_attr, new_val):
    self :: __main__.SetAttr
    regular_attr :: int
    extra_attrs :: dict
    new_attr :: str
    new_val :: object
    r0 :: i32
    r1 :: bit
    r2 :: i32
    r3 :: bit
L0:
    self._attributes = extra_attrs
    self.regular_attr = regular_attr
    r0 = CPyObject_GenericSetAttr(self, new_attr, new_val)
    r1 = r0 >= 0 :: signed
    r2 = CPyObject_GenericSetAttr(self, new_attr, new_val)
    r3 = r2 >= 0 :: signed
    return 1
def SetAttr.__setattr__(self, key, val):
    self :: __main__.SetAttr
    key :: str
    val :: object
    r0 :: str
    r1 :: bool
    r2 :: int
    r3 :: bool
    r4 :: str
    r5 :: bool
    r6 :: object
    r7 :: str
    r8, r9 :: object
    r10 :: dict
    r11 :: i32
    r12 :: bit
L0:
    r0 = 'regular_attr'
    r1 = CPyStr_EqualLiteral(key, r0, 12)
    if r1 goto L1 else goto L2 :: bool
L1:
    r2 = unbox(int, val)
    self.regular_attr = r2; r3 = is_error
    goto L6
L2:
    r4 = 'class_var'
    r5 = CPyStr_EqualLiteral(key, r4, 9)
    if r5 goto L3 else goto L4 :: bool
L3:
    r6 = builtins :: module
    r7 = 'AttributeError'
    r8 = CPyObject_GetAttr(r6, r7)
    r9 = PyObject_Vectorcall(r8, 0, 0, 0)
    CPy_Raise(r9)
    unreachable
L4:
    r10 = self._attributes
    r11 = CPyDict_SetItem(r10, key, val)
    r12 = r11 >= 0 :: signed
L5:
L6:
    return 1
def SetAttr.__setattr____wrapper(__mypyc_self__, attr, value):
    __mypyc_self__ :: __main__.SetAttr
    attr, value :: object
    r0 :: bit
    r1 :: i32
    r2 :: bit
    r3 :: str
    r4 :: None
L0:
    r0 = value == 0
    if r0 goto L1 else goto L2 :: bool
L1:
    r1 = CPyObject_GenericSetAttr(__mypyc_self__, attr, 0)
    r2 = r1 >= 0 :: signed
    return 0
L2:
    r3 = cast(str, attr)
    r4 = __mypyc_self__.__setattr__(r3, value)
    return 0
def test(attr, val):
    attr :: str
    val :: object
    r0 :: dict
    r1, i :: __main__.SetAttr
    r2 :: str
    r3 :: object
    r4 :: None
    r5 :: str
    r6 :: object
    r7 :: i32
    r8 :: bit
    r9 :: str
    r10 :: object
    r11 :: i32
    r12 :: bit
    r13 :: i32
    r14 :: bit
L0:
    r0 = PyDict_New()
    r1 = SetAttr(198, r0, attr, val)
    i = r1
    r2 = 'regular_attr'
    r3 = object 100
    r4 = i.__setattr__(r2, r3)
    r5 = 'new_attr'
    r6 = object 101
    r7 = PyObject_SetAttr(i, r5, r6)
    r8 = r7 >= 0 :: signed
    r9 = 'regular_attr'
    r10 = object 11
    r11 = CPyObject_GenericSetAttr(i, r9, r10)
    r12 = r11 >= 0 :: signed
    r13 = CPyObject_GenericSetAttr(i, attr, val)
    r14 = r13 >= 0 :: signed
    return 1

[case testSetAttrAndDelAttr]
from typing import ClassVar
class SetAttr:
    _attributes: dict[str, object]
    regular_attr: int
    class_var: ClassVar[str] = "x"

    def __init__(self, regular_attr: int, extra_attrs: dict[str, object], new_attr: str, new_val: object) -> None:
        super().__setattr__("_attributes", extra_attrs)
        object.__setattr__(self, "regular_attr", regular_attr)

        super().__setattr__(new_attr, new_val)
        object.__setattr__(self, new_attr, new_val)

    def __setattr__(self, key: str, val: object) -> None:
        if key == "regular_attr":
            super().__setattr__("regular_attr", val)
        elif key == "class_var":
            raise AttributeError()
        else:
            self._attributes[key] = val

    def __delattr__(self, key: str) -> None:
        del self._attributes[key]

[typing fixtures/typing-full.pyi]
[out]
def SetAttr.__init__(self, regular_attr, extra_attrs, new_attr, new_val):
    self :: __main__.SetAttr
    regular_attr :: int
    extra_attrs :: dict
    new_attr :: str
    new_val :: object
    r0 :: i32
    r1 :: bit
    r2 :: i32
    r3 :: bit
L0:
    self._attributes = extra_attrs
    self.regular_attr = regular_attr
    r0 = CPyObject_GenericSetAttr(self, new_attr, new_val)
    r1 = r0 >= 0 :: signed
    r2 = CPyObject_GenericSetAttr(self, new_attr, new_val)
    r3 = r2 >= 0 :: signed
    return 1
def SetAttr.__setattr__(self, key, val):
    self :: __main__.SetAttr
    key :: str
    val :: object
    r0 :: str
    r1 :: bool
    r2 :: int
    r3 :: bool
    r4 :: str
    r5 :: bool
    r6 :: object
    r7 :: str
    r8, r9 :: object
    r10 :: dict
    r11 :: i32
    r12 :: bit
L0:
    r0 = 'regular_attr'
    r1 = CPyStr_EqualLiteral(key, r0, 12)
    if r1 goto L1 else goto L2 :: bool
L1:
    r2 = unbox(int, val)
    self.regular_attr = r2; r3 = is_error
    goto L6
L2:
    r4 = 'class_var'
    r5 = CPyStr_EqualLiteral(key, r4, 9)
    if r5 goto L3 else goto L4 :: bool
L3:
    r6 = builtins :: module
    r7 = 'AttributeError'
    r8 = CPyObject_GetAttr(r6, r7)
    r9 = PyObject_Vectorcall(r8, 0, 0, 0)
    CPy_Raise(r9)
    unreachable
L4:
    r10 = self._attributes
    r11 = CPyDict_SetItem(r10, key, val)
    r12 = r11 >= 0 :: signed
L5:
L6:
    return 1
def SetAttr.__setattr____wrapper(__mypyc_self__, attr, value):
    __mypyc_self__ :: __main__.SetAttr
    attr, value :: object
    r0 :: bit
    r1 :: str
    r2 :: None
    r3 :: str
    r4 :: None
L0:
    r0 = value == 0
    if r0 goto L1 else goto L2 :: bool
L1:
    r1 = cast(str, attr)
    r2 = __mypyc_self__.__delattr__(r1)
    return 0
L2:
    r3 = cast(str, attr)
    r4 = __mypyc_self__.__setattr__(r3, value)
    return 0
def SetAttr.__delattr__(self, key):
    self :: __main__.SetAttr
    key :: str
    r0 :: dict
    r1 :: i32
    r2 :: bit
L0:
    r0 = self._attributes
    r1 = PyObject_DelItem(r0, key)
    r2 = r1 >= 0 :: signed
    return 1

[case testUntransformedSetAttr_64bit]
from mypy_extensions import mypyc_attr

class SetAttr:
    def super_missing_args(self):
        super().__setattr__()
        super().__setattr__("attr")

    def object_missing_args(self):
        object.__setattr__()
        object.__setattr__(self)
        object.__setattr__(self, "attr")

@mypyc_attr(native_class=False)
class NonNative:
    def super_setattr(self, key: str, val: object) -> None:
        super().__setattr__(key, val)

    def object_setattr(self, key: str, val: object) -> None:
        object.__setattr__(self, key, val)

class InheritsPython(NonNative):
    def super_setattr(self, key: str, val: object) -> None:
        super().__setattr__(key, val)

    def object_setattr(self, key: str, val: object) -> None:
        object.__setattr__(self, key, val)

class BuiltInBase(dict):
    def super_setattr(self, key: str, val: object) -> None:
        super().__setattr__(key, val)

    def object_setattr(self, key: str, val: object) -> None:
        object.__setattr__(self, key, val)

[typing fixtures/typing-full.pyi]
[out]
def SetAttr.super_missing_args(self):
    self :: __main__.SetAttr
    r0 :: object
    r1 :: str
    r2, r3 :: object
    r4 :: object[2]
    r5 :: object_ptr
    r6 :: object
    r7 :: str
    r8, r9, r10 :: object
    r11 :: str
    r12, r13 :: object
    r14 :: object[2]
    r15 :: object_ptr
    r16 :: object
    r17 :: str
    r18 :: object
    r19 :: str
    r20 :: object[1]
    r21 :: object_ptr
    r22, r23 :: object
L0:
    r0 = builtins :: module
    r1 = 'super'
    r2 = CPyObject_GetAttr(r0, r1)
    r3 = __main__.SetAttr :: type
    r4 = [r3, self]
    r5 = load_address r4
    r6 = PyObject_Vectorcall(r2, r5, 2, 0)
    keep_alive r3, self
    r7 = '__setattr__'
    r8 = CPyObject_GetAttr(r6, r7)
    r9 = PyObject_Vectorcall(r8, 0, 0, 0)
    r10 = builtins :: module
    r11 = 'super'
    r12 = CPyObject_GetAttr(r10, r11)
    r13 = __main__.SetAttr :: type
    r14 = [r13, self]
    r15 = load_address r14
    r16 = PyObject_Vectorcall(r12, r15, 2, 0)
    keep_alive r13, self
    r17 = '__setattr__'
    r18 = CPyObject_GetAttr(r16, r17)
    r19 = 'attr'
    r20 = [r19]
    r21 = load_address r20
    r22 = PyObject_Vectorcall(r18, r21, 1, 0)
    keep_alive r19
    r23 = box(None, 1)
    return r23
def SetAttr.object_missing_args(self):
    self :: __main__.SetAttr
    r0 :: object
    r1 :: str
    r2 :: object
    r3 :: str
    r4 :: object[1]
    r5 :: object_ptr
    r6, r7 :: object
    r8 :: str
    r9 :: object
    r10 :: str
    r11 :: object[2]
    r12 :: object_ptr
    r13, r14 :: object
    r15 :: str
    r16 :: object
    r17, r18 :: str
    r19 :: object[3]
    r20 :: object_ptr
    r21, r22 :: object
L0:
    r0 = builtins :: module
    r1 = 'object'
    r2 = CPyObject_GetAttr(r0, r1)
    r3 = '__setattr__'
    r4 = [r2]
    r5 = load_address r4
    r6 = PyObject_VectorcallMethod(r3, r5, 9223372036854775809, 0)
    keep_alive r2
    r7 = builtins :: module
    r8 = 'object'
    r9 = CPyObject_GetAttr(r7, r8)
    r10 = '__setattr__'
    r11 = [r9, self]
    r12 = load_address r11
    r13 = PyObject_VectorcallMethod(r10, r12, 9223372036854775810, 0)
    keep_alive r9, self
    r14 = builtins :: module
    r15 = 'object'
    r16 = CPyObject_GetAttr(r14, r15)
    r17 = 'attr'
    r18 = '__setattr__'
    r19 = [r16, self, r17]
    r20 = load_address r19
    r21 = PyObject_VectorcallMethod(r18, r20, 9223372036854775811, 0)
    keep_alive r16, self, r17
    r22 = box(None, 1)
    return r22
def super_setattr_NonNative_obj.__get__(__mypyc_self__, instance, owner):
    __mypyc_self__, instance, owner, r0 :: object
    r1 :: bit
    r2 :: object
L0:
    r0 = load_address _Py_NoneStruct
    r1 = instance == r0
    if r1 goto L1 else goto L2 :: bool
L1:
    return __mypyc_self__
L2:
    r2 = PyMethod_New(__mypyc_self__, instance)
    return r2
def super_setattr_NonNative_obj.__call__(__mypyc_self__, self, key, val):
    __mypyc_self__ :: __main__.super_setattr_NonNative_obj
    self :: __main__.NonNative
    key :: str
    val, r0 :: object
    r1 :: str
    r2, r3 :: object
    r4 :: object[2]
    r5 :: object_ptr
    r6 :: object
    r7 :: str
    r8 :: object
    r9 :: object[2]
    r10 :: object_ptr
    r11 :: object
L0:
    r0 = builtins :: module
    r1 = 'super'
    r2 = CPyObject_GetAttr(r0, r1)
    r3 = __main__.NonNative :: type
    r4 = [r3, self]
    r5 = load_address r4
    r6 = PyObject_Vectorcall(r2, r5, 2, 0)
    keep_alive r3, self
    r7 = '__setattr__'
    r8 = CPyObject_GetAttr(r6, r7)
    r9 = [key, val]
    r10 = load_address r9
    r11 = PyObject_Vectorcall(r8, r10, 2, 0)
    keep_alive key, val
    return 1
def object_setattr_NonNative_obj.__get__(__mypyc_self__, instance, owner):
    __mypyc_self__, instance, owner, r0 :: object
    r1 :: bit
    r2 :: object
L0:
    r0 = load_address _Py_NoneStruct
    r1 = instance == r0
    if r1 goto L1 else goto L2 :: bool
L1:
    return __mypyc_self__
L2:
    r2 = PyMethod_New(__mypyc_self__, instance)
    return r2
def object_setattr_NonNative_obj.__call__(__mypyc_self__, self, key, val):
    __mypyc_self__ :: __main__.object_setattr_NonNative_obj
    self :: __main__.NonNative
    key :: str
    val, r0 :: object
    r1 :: str
    r2 :: object
    r3 :: str
    r4 :: object[4]
    r5 :: object_ptr
    r6 :: object
L0:
    r0 = builtins :: module
    r1 = 'object'
    r2 = CPyObject_GetAttr(r0, r1)
    r3 = '__setattr__'
    r4 = [r2, self, key, val]
    r5 = load_address r4
    r6 = PyObject_VectorcallMethod(r3, r5, 9223372036854775812, 0)
    keep_alive r2, self, key, val
    return 1
def InheritsPython.super_setattr(self, key, val):
    self :: __main__.InheritsPython
    key :: str
    val, r0 :: object
    r1 :: str
    r2, r3 :: object
    r4 :: object[2]
    r5 :: object_ptr
    r6 :: object
    r7 :: str
    r8 :: object
    r9 :: object[2]
    r10 :: object_ptr
    r11 :: object
L0:
    r0 = builtins :: module
    r1 = 'super'
    r2 = CPyObject_GetAttr(r0, r1)
    r3 = __main__.InheritsPython :: type
    r4 = [r3, self]
    r5 = load_address r4
    r6 = PyObject_Vectorcall(r2, r5, 2, 0)
    keep_alive r3, self
    r7 = '__setattr__'
    r8 = CPyObject_GetAttr(r6, r7)
    r9 = [key, val]
    r10 = load_address r9
    r11 = PyObject_Vectorcall(r8, r10, 2, 0)
    keep_alive key, val
    return 1
def InheritsPython.object_setattr(self, key, val):
    self :: __main__.InheritsPython
    key :: str
    val, r0 :: object
    r1 :: str
    r2 :: object
    r3 :: str
    r4 :: object[4]
    r5 :: object_ptr
    r6 :: object
L0:
    r0 = builtins :: module
    r1 = 'object'
    r2 = CPyObject_GetAttr(r0, r1)
    r3 = '__setattr__'
    r4 = [r2, self, key, val]
    r5 = load_address r4
    r6 = PyObject_VectorcallMethod(r3, r5, 9223372036854775812, 0)
    keep_alive r2, self, key, val
    return 1
def BuiltInBase.super_setattr(self, key, val):
    self :: dict
    key :: str
    val, r0 :: object
    r1 :: str
    r2, r3 :: object
    r4 :: object[2]
    r5 :: object_ptr
    r6 :: object
    r7 :: str
    r8 :: object
    r9 :: object[2]
    r10 :: object_ptr
    r11 :: object
L0:
    r0 = builtins :: module
    r1 = 'super'
    r2 = CPyObject_GetAttr(r0, r1)
    r3 = __main__.BuiltInBase :: type
    r4 = [r3, self]
    r5 = load_address r4
    r6 = PyObject_Vectorcall(r2, r5, 2, 0)
    keep_alive r3, self
    r7 = '__setattr__'
    r8 = CPyObject_GetAttr(r6, r7)
    r9 = [key, val]
    r10 = load_address r9
    r11 = PyObject_Vectorcall(r8, r10, 2, 0)
    keep_alive key, val
    return 1
def BuiltInBase.object_setattr(self, key, val):
    self :: dict
    key :: str
    val, r0 :: object
    r1 :: str
    r2 :: object
    r3 :: str
    r4 :: object[4]
    r5 :: object_ptr
    r6 :: object
L0:
    r0 = builtins :: module
    r1 = 'object'
    r2 = CPyObject_GetAttr(r0, r1)
    r3 = '__setattr__'
    r4 = [r2, self, key, val]
    r5 = load_address r4
    r6 = PyObject_VectorcallMethod(r3, r5, 9223372036854775812, 0)
    keep_alive r2, self, key, val
    return 1

[case testInvalidMypycAttr]
from mypy_extensions import mypyc_attr

@mypyc_attr("allow_interpreted_subclasses", "invalid_arg")  # E: "invalid_arg" is not a supported "mypyc_attr" \
                                                            # N: supported keys: "allow_interpreted_subclasses", "free_list_len", "native_class", "serializable"
class InvalidArg:
    pass
@mypyc_attr(invalid_kwarg=True)  # E: "invalid_kwarg" is not a supported "mypyc_attr" \
                                 # N: supported keys: "allow_interpreted_subclasses", "free_list_len", "native_class", "serializable"
class InvalidKwarg:
    pass
@mypyc_attr(str())  # E: All "mypyc_attr" positional arguments must be string literals.
class InvalidLiteral:
    pass

[case testIsInstanceInterpretedSubclasses]
from typing import Any
from mypy_extensions import mypyc_attr

@mypyc_attr(native_class=False)
class NonNative:
    pass

@mypyc_attr(allow_interpreted_subclasses=True)
class InterpSubclasses:
    pass

def isinstance_nonnative(x: Any) -> bool:
    return isinstance(x, NonNative)
def isinstance_interpreted_subclasses(x: Any) -> bool:
    return isinstance(x, InterpSubclasses)
[out]
def isinstance_nonnative(x):
    x, r0 :: object
    r1 :: ptr
    r2 :: object
    r3 :: bit
L0:
    r0 = __main__.NonNative :: type
    r1 = get_element_ptr x ob_type :: PyObject
    r2 = borrow load_mem r1 :: builtins.object*
    keep_alive x
    r3 = r2 == r0
    return r3
def isinstance_interpreted_subclasses(x):
    x, r0 :: object
    r1 :: bool
L0:
    r0 = __main__.InterpSubclasses :: type
    r1 = CPy_TypeCheck(x, r0)
    return r1