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GH-90699: use statically allocated interned strings in typeobject's slotdefs (GH-94706)

This commit is contained in:
Kumar Aditya 2022-09-08 03:32:08 +05:30 committed by GitHub
parent b65686c505
commit 4e4bfffe2d
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 140 additions and 176 deletions
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3
Include/internal/pycore_typeobject.h
View File

@ -11,7 +11,6 @@ extern "C" {
/* runtime lifecycle */
extern PyStatus _PyTypes_InitState(PyInterpreterState *);
extern PyStatus _PyTypes_InitTypes(PyInterpreterState *);
extern void _PyTypes_FiniTypes(PyInterpreterState *);
extern void _PyTypes_Fini(PyInterpreterState *);
@ -67,8 +66,6 @@ struct types_state {
};
extern PyStatus _PyTypes_InitSlotDefs(void);
extern int _PyStaticType_InitBuiltin(PyTypeObject *type);
extern static_builtin_state * _PyStaticType_GetState(PyTypeObject *);
extern void _PyStaticType_ClearWeakRefs(PyTypeObject *type);

18
Objects/object.c
View File

@ -14,7 +14,6 @@
#include "pycore_pymem.h" // _PyMem_IsPtrFreed()
#include "pycore_pystate.h" // _PyThreadState_GET()
#include "pycore_symtable.h" // PySTEntry_Type
#include "pycore_typeobject.h" // _PyTypes_InitSlotDefs()
#include "pycore_unionobject.h" // _PyUnion_Type
#include "pycore_interpreteridobject.h" // _PyInterpreterID_Type
@ -1835,23 +1834,6 @@ PyObject _Py_NotImplementedStruct = {
1, &_PyNotImplemented_Type
};
PyStatus
_PyTypes_InitState(PyInterpreterState *interp)
{
if (!_Py_IsMainInterpreter(interp)) {
return _PyStatus_OK();
}
PyStatus status = _PyTypes_InitSlotDefs();
if (_PyStatus_EXCEPTION(status)) {
return status;
}
return _PyStatus_OK();
}
#ifdef MS_WINDOWS
extern PyTypeObject PyHKEY_Type;
#endif

254
Objects/typeobject.c
View File

@ -56,9 +56,6 @@ typedef struct PySlot_Offset {
static PyObject *
slot_tp_new(PyTypeObject *type, PyObject *args, PyObject *kwds);
static void
clear_slotdefs(void);
static PyObject *
lookup_maybe_method(PyObject *self, PyObject *attr, int *unbound);
@ -364,9 +361,6 @@ _PyTypes_Fini(PyInterpreterState *interp)
{
struct type_cache *cache = &interp->types.type_cache;
type_cache_clear(cache, NULL);
if (_Py_IsMainInterpreter(interp)) {
clear_slotdefs();
}
assert(interp->types.num_builtins_initialized == 0);
// All the static builtin types should have been finalized already.
@ -8451,8 +8445,7 @@ which incorporates the additional structures used for numbers, sequences and
mappings. Note that multiple names may map to the same slot (e.g. __eq__,
__ne__ etc. all map to tp_richcompare) and one name may map to multiple slots
(e.g. __str__ affects tp_str as well as tp_repr). The table is terminated with
an all-zero entry. (This table is further initialized in
_PyTypes_InitSlotDefs().)
an all-zero entry.
*/
typedef struct wrapperbase slotdef;
@ -8470,14 +8463,14 @@ typedef struct wrapperbase slotdef;
#undef RBINSLOT
#define TPSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
{NAME, offsetof(PyTypeObject, SLOT), (void *)(FUNCTION), WRAPPER, \
PyDoc_STR(DOC)}
{#NAME, offsetof(PyTypeObject, SLOT), (void *)(FUNCTION), WRAPPER, \
PyDoc_STR(DOC), .name_strobj = &_Py_ID(NAME)}
#define FLSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC, FLAGS) \
{NAME, offsetof(PyTypeObject, SLOT), (void *)(FUNCTION), WRAPPER, \
PyDoc_STR(DOC), FLAGS}
{#NAME, offsetof(PyTypeObject, SLOT), (void *)(FUNCTION), WRAPPER, \
PyDoc_STR(DOC), FLAGS, .name_strobj = &_Py_ID(NAME) }
#define ETSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
{NAME, offsetof(PyHeapTypeObject, SLOT), (void *)(FUNCTION), WRAPPER, \
PyDoc_STR(DOC)}
{#NAME, offsetof(PyHeapTypeObject, SLOT), (void *)(FUNCTION), WRAPPER, \
PyDoc_STR(DOC), .name_strobj = &_Py_ID(NAME) }
#define AMSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
ETSLOT(NAME, as_async.SLOT, FUNCTION, WRAPPER, DOC)
#define SQSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
@ -8488,204 +8481,204 @@ typedef struct wrapperbase slotdef;
ETSLOT(NAME, as_number.SLOT, FUNCTION, WRAPPER, DOC)
#define UNSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
ETSLOT(NAME, as_number.SLOT, FUNCTION, WRAPPER, \
NAME "($self, /)\n--\n\n" DOC)
#NAME "($self, /)\n--\n\n" DOC)
#define IBSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
ETSLOT(NAME, as_number.SLOT, FUNCTION, WRAPPER, \
NAME "($self, value, /)\n--\n\nReturn self" DOC "value.")
#NAME "($self, value, /)\n--\n\nReturn self" DOC "value.")
#define BINSLOT(NAME, SLOT, FUNCTION, DOC) \
ETSLOT(NAME, as_number.SLOT, FUNCTION, wrap_binaryfunc_l, \
NAME "($self, value, /)\n--\n\nReturn self" DOC "value.")
#NAME "($self, value, /)\n--\n\nReturn self" DOC "value.")
#define RBINSLOT(NAME, SLOT, FUNCTION, DOC) \
ETSLOT(NAME, as_number.SLOT, FUNCTION, wrap_binaryfunc_r, \
NAME "($self, value, /)\n--\n\nReturn value" DOC "self.")
#NAME "($self, value, /)\n--\n\nReturn value" DOC "self.")
#define BINSLOTNOTINFIX(NAME, SLOT, FUNCTION, DOC) \
ETSLOT(NAME, as_number.SLOT, FUNCTION, wrap_binaryfunc_l, \
NAME "($self, value, /)\n--\n\n" DOC)
#NAME "($self, value, /)\n--\n\n" DOC)
#define RBINSLOTNOTINFIX(NAME, SLOT, FUNCTION, DOC) \
ETSLOT(NAME, as_number.SLOT, FUNCTION, wrap_binaryfunc_r, \
NAME "($self, value, /)\n--\n\n" DOC)
#NAME "($self, value, /)\n--\n\n" DOC)
static slotdef slotdefs[] = {
TPSLOT("__getattribute__", tp_getattr, NULL, NULL, ""),
TPSLOT("__getattr__", tp_getattr, NULL, NULL, ""),
TPSLOT("__setattr__", tp_setattr, NULL, NULL, ""),
TPSLOT("__delattr__", tp_setattr, NULL, NULL, ""),
TPSLOT("__repr__", tp_repr, slot_tp_repr, wrap_unaryfunc,
TPSLOT(__getattribute__, tp_getattr, NULL, NULL, ""),
TPSLOT(__getattr__, tp_getattr, NULL, NULL, ""),
TPSLOT(__setattr__, tp_setattr, NULL, NULL, ""),
TPSLOT(__delattr__, tp_setattr, NULL, NULL, ""),
TPSLOT(__repr__, tp_repr, slot_tp_repr, wrap_unaryfunc,
"__repr__($self, /)\n--\n\nReturn repr(self)."),
TPSLOT("__hash__", tp_hash, slot_tp_hash, wrap_hashfunc,
TPSLOT(__hash__, tp_hash, slot_tp_hash, wrap_hashfunc,
"__hash__($self, /)\n--\n\nReturn hash(self)."),
FLSLOT("__call__", tp_call, slot_tp_call, (wrapperfunc)(void(*)(void))wrap_call,
FLSLOT(__call__, tp_call, slot_tp_call, (wrapperfunc)(void(*)(void))wrap_call,
"__call__($self, /, *args, **kwargs)\n--\n\nCall self as a function.",
PyWrapperFlag_KEYWORDS),
TPSLOT("__str__", tp_str, slot_tp_str, wrap_unaryfunc,
TPSLOT(__str__, tp_str, slot_tp_str, wrap_unaryfunc,
"__str__($self, /)\n--\n\nReturn str(self)."),
TPSLOT("__getattribute__", tp_getattro, _Py_slot_tp_getattr_hook,
TPSLOT(__getattribute__, tp_getattro, _Py_slot_tp_getattr_hook,
wrap_binaryfunc,
"__getattribute__($self, name, /)\n--\n\nReturn getattr(self, name)."),
TPSLOT("__getattr__", tp_getattro, _Py_slot_tp_getattr_hook, NULL, ""),
TPSLOT("__setattr__", tp_setattro, slot_tp_setattro, wrap_setattr,
TPSLOT(__getattr__, tp_getattro, _Py_slot_tp_getattr_hook, NULL, ""),
TPSLOT(__setattr__, tp_setattro, slot_tp_setattro, wrap_setattr,
"__setattr__($self, name, value, /)\n--\n\nImplement setattr(self, name, value)."),
TPSLOT("__delattr__", tp_setattro, slot_tp_setattro, wrap_delattr,
TPSLOT(__delattr__, tp_setattro, slot_tp_setattro, wrap_delattr,
"__delattr__($self, name, /)\n--\n\nImplement delattr(self, name)."),
TPSLOT("__lt__", tp_richcompare, slot_tp_richcompare, richcmp_lt,
TPSLOT(__lt__, tp_richcompare, slot_tp_richcompare, richcmp_lt,
"__lt__($self, value, /)\n--\n\nReturn self<value."),
TPSLOT("__le__", tp_richcompare, slot_tp_richcompare, richcmp_le,
TPSLOT(__le__, tp_richcompare, slot_tp_richcompare, richcmp_le,
"__le__($self, value, /)\n--\n\nReturn self<=value."),
TPSLOT("__eq__", tp_richcompare, slot_tp_richcompare, richcmp_eq,
TPSLOT(__eq__, tp_richcompare, slot_tp_richcompare, richcmp_eq,
"__eq__($self, value, /)\n--\n\nReturn self==value."),
TPSLOT("__ne__", tp_richcompare, slot_tp_richcompare, richcmp_ne,
TPSLOT(__ne__, tp_richcompare, slot_tp_richcompare, richcmp_ne,
"__ne__($self, value, /)\n--\n\nReturn self!=value."),
TPSLOT("__gt__", tp_richcompare, slot_tp_richcompare, richcmp_gt,
TPSLOT(__gt__, tp_richcompare, slot_tp_richcompare, richcmp_gt,
"__gt__($self, value, /)\n--\n\nReturn self>value."),
TPSLOT("__ge__", tp_richcompare, slot_tp_richcompare, richcmp_ge,
TPSLOT(__ge__, tp_richcompare, slot_tp_richcompare, richcmp_ge,
"__ge__($self, value, /)\n--\n\nReturn self>=value."),
TPSLOT("__iter__", tp_iter, slot_tp_iter, wrap_unaryfunc,
TPSLOT(__iter__, tp_iter, slot_tp_iter, wrap_unaryfunc,
"__iter__($self, /)\n--\n\nImplement iter(self)."),
TPSLOT("__next__", tp_iternext, slot_tp_iternext, wrap_next,
TPSLOT(__next__, tp_iternext, slot_tp_iternext, wrap_next,
"__next__($self, /)\n--\n\nImplement next(self)."),
TPSLOT("__get__", tp_descr_get, slot_tp_descr_get, wrap_descr_get,
TPSLOT(__get__, tp_descr_get, slot_tp_descr_get, wrap_descr_get,
"__get__($self, instance, owner=None, /)\n--\n\nReturn an attribute of instance, which is of type owner."),
TPSLOT("__set__", tp_descr_set, slot_tp_descr_set, wrap_descr_set,
TPSLOT(__set__, tp_descr_set, slot_tp_descr_set, wrap_descr_set,
"__set__($self, instance, value, /)\n--\n\nSet an attribute of instance to value."),
TPSLOT("__delete__", tp_descr_set, slot_tp_descr_set,
TPSLOT(__delete__, tp_descr_set, slot_tp_descr_set,
wrap_descr_delete,
"__delete__($self, instance, /)\n--\n\nDelete an attribute of instance."),
FLSLOT("__init__", tp_init, slot_tp_init, (wrapperfunc)(void(*)(void))wrap_init,
FLSLOT(__init__, tp_init, slot_tp_init, (wrapperfunc)(void(*)(void))wrap_init,
"__init__($self, /, *args, **kwargs)\n--\n\n"
"Initialize self. See help(type(self)) for accurate signature.",
PyWrapperFlag_KEYWORDS),
TPSLOT("__new__", tp_new, slot_tp_new, NULL,
TPSLOT(__new__, tp_new, slot_tp_new, NULL,
"__new__(type, /, *args, **kwargs)\n--\n\n"
"Create and return new object. See help(type) for accurate signature."),
TPSLOT("__del__", tp_finalize, slot_tp_finalize, (wrapperfunc)wrap_del, ""),
TPSLOT(__del__, tp_finalize, slot_tp_finalize, (wrapperfunc)wrap_del, ""),
AMSLOT("__await__", am_await, slot_am_await, wrap_unaryfunc,
AMSLOT(__await__, am_await, slot_am_await, wrap_unaryfunc,
"__await__($self, /)\n--\n\nReturn an iterator to be used in await expression."),
AMSLOT("__aiter__", am_aiter, slot_am_aiter, wrap_unaryfunc,
AMSLOT(__aiter__, am_aiter, slot_am_aiter, wrap_unaryfunc,
"__aiter__($self, /)\n--\n\nReturn an awaitable, that resolves in asynchronous iterator."),
AMSLOT("__anext__", am_anext, slot_am_anext, wrap_unaryfunc,
AMSLOT(__anext__, am_anext, slot_am_anext, wrap_unaryfunc,
"__anext__($self, /)\n--\n\nReturn a value or raise StopAsyncIteration."),
BINSLOT("__add__", nb_add, slot_nb_add,
BINSLOT(__add__, nb_add, slot_nb_add,
"+"),
RBINSLOT("__radd__", nb_add, slot_nb_add,
RBINSLOT(__radd__, nb_add, slot_nb_add,
"+"),
BINSLOT("__sub__", nb_subtract, slot_nb_subtract,
BINSLOT(__sub__, nb_subtract, slot_nb_subtract,
"-"),
RBINSLOT("__rsub__", nb_subtract, slot_nb_subtract,
RBINSLOT(__rsub__, nb_subtract, slot_nb_subtract,
"-"),
BINSLOT("__mul__", nb_multiply, slot_nb_multiply,
BINSLOT(__mul__, nb_multiply, slot_nb_multiply,
"*"),
RBINSLOT("__rmul__", nb_multiply, slot_nb_multiply,
RBINSLOT(__rmul__, nb_multiply, slot_nb_multiply,
"*"),
BINSLOT("__mod__", nb_remainder, slot_nb_remainder,
BINSLOT(__mod__, nb_remainder, slot_nb_remainder,
"%"),
RBINSLOT("__rmod__", nb_remainder, slot_nb_remainder,
RBINSLOT(__rmod__, nb_remainder, slot_nb_remainder,
"%"),
BINSLOTNOTINFIX("__divmod__", nb_divmod, slot_nb_divmod,
BINSLOTNOTINFIX(__divmod__, nb_divmod, slot_nb_divmod,
"Return divmod(self, value)."),
RBINSLOTNOTINFIX("__rdivmod__", nb_divmod, slot_nb_divmod,
RBINSLOTNOTINFIX(__rdivmod__, nb_divmod, slot_nb_divmod,
"Return divmod(value, self)."),
NBSLOT("__pow__", nb_power, slot_nb_power, wrap_ternaryfunc,
NBSLOT(__pow__, nb_power, slot_nb_power, wrap_ternaryfunc,
"__pow__($self, value, mod=None, /)\n--\n\nReturn pow(self, value, mod)."),
NBSLOT("__rpow__", nb_power, slot_nb_power, wrap_ternaryfunc_r,
NBSLOT(__rpow__, nb_power, slot_nb_power, wrap_ternaryfunc_r,
"__rpow__($self, value, mod=None, /)\n--\n\nReturn pow(value, self, mod)."),
UNSLOT("__neg__", nb_negative, slot_nb_negative, wrap_unaryfunc, "-self"),
UNSLOT("__pos__", nb_positive, slot_nb_positive, wrap_unaryfunc, "+self"),
UNSLOT("__abs__", nb_absolute, slot_nb_absolute, wrap_unaryfunc,
UNSLOT(__neg__, nb_negative, slot_nb_negative, wrap_unaryfunc, "-self"),
UNSLOT(__pos__, nb_positive, slot_nb_positive, wrap_unaryfunc, "+self"),
UNSLOT(__abs__, nb_absolute, slot_nb_absolute, wrap_unaryfunc,
"abs(self)"),
UNSLOT("__bool__", nb_bool, slot_nb_bool, wrap_inquirypred,
UNSLOT(__bool__, nb_bool, slot_nb_bool, wrap_inquirypred,
"True if self else False"),
UNSLOT("__invert__", nb_invert, slot_nb_invert, wrap_unaryfunc, "~self"),
BINSLOT("__lshift__", nb_lshift, slot_nb_lshift, "<<"),
RBINSLOT("__rlshift__", nb_lshift, slot_nb_lshift, "<<"),
BINSLOT("__rshift__", nb_rshift, slot_nb_rshift, ">>"),
RBINSLOT("__rrshift__", nb_rshift, slot_nb_rshift, ">>"),
BINSLOT("__and__", nb_and, slot_nb_and, "&"),
RBINSLOT("__rand__", nb_and, slot_nb_and, "&"),
BINSLOT("__xor__", nb_xor, slot_nb_xor, "^"),
RBINSLOT("__rxor__", nb_xor, slot_nb_xor, "^"),
BINSLOT("__or__", nb_or, slot_nb_or, "|"),
RBINSLOT("__ror__", nb_or, slot_nb_or, "|"),
UNSLOT("__int__", nb_int, slot_nb_int, wrap_unaryfunc,
UNSLOT(__invert__, nb_invert, slot_nb_invert, wrap_unaryfunc, "~self"),
BINSLOT(__lshift__, nb_lshift, slot_nb_lshift, "<<"),
RBINSLOT(__rlshift__, nb_lshift, slot_nb_lshift, "<<"),
BINSLOT(__rshift__, nb_rshift, slot_nb_rshift, ">>"),
RBINSLOT(__rrshift__, nb_rshift, slot_nb_rshift, ">>"),
BINSLOT(__and__, nb_and, slot_nb_and, "&"),
RBINSLOT(__rand__, nb_and, slot_nb_and, "&"),
BINSLOT(__xor__, nb_xor, slot_nb_xor, "^"),
RBINSLOT(__rxor__, nb_xor, slot_nb_xor, "^"),
BINSLOT(__or__, nb_or, slot_nb_or, "|"),
RBINSLOT(__ror__, nb_or, slot_nb_or, "|"),
UNSLOT(__int__, nb_int, slot_nb_int, wrap_unaryfunc,
"int(self)"),
UNSLOT("__float__", nb_float, slot_nb_float, wrap_unaryfunc,
UNSLOT(__float__, nb_float, slot_nb_float, wrap_unaryfunc,
"float(self)"),
IBSLOT("__iadd__", nb_inplace_add, slot_nb_inplace_add,
IBSLOT(__iadd__, nb_inplace_add, slot_nb_inplace_add,
wrap_binaryfunc, "+="),
IBSLOT("__isub__", nb_inplace_subtract, slot_nb_inplace_subtract,
IBSLOT(__isub__, nb_inplace_subtract, slot_nb_inplace_subtract,
wrap_binaryfunc, "-="),
IBSLOT("__imul__", nb_inplace_multiply, slot_nb_inplace_multiply,
IBSLOT(__imul__, nb_inplace_multiply, slot_nb_inplace_multiply,
wrap_binaryfunc, "*="),
IBSLOT("__imod__", nb_inplace_remainder, slot_nb_inplace_remainder,
IBSLOT(__imod__, nb_inplace_remainder, slot_nb_inplace_remainder,
wrap_binaryfunc, "%="),
IBSLOT("__ipow__", nb_inplace_power, slot_nb_inplace_power,
IBSLOT(__ipow__, nb_inplace_power, slot_nb_inplace_power,
wrap_ternaryfunc, "**="),
IBSLOT("__ilshift__", nb_inplace_lshift, slot_nb_inplace_lshift,
IBSLOT(__ilshift__, nb_inplace_lshift, slot_nb_inplace_lshift,
wrap_binaryfunc, "<<="),
IBSLOT("__irshift__", nb_inplace_rshift, slot_nb_inplace_rshift,
IBSLOT(__irshift__, nb_inplace_rshift, slot_nb_inplace_rshift,
wrap_binaryfunc, ">>="),
IBSLOT("__iand__", nb_inplace_and, slot_nb_inplace_and,
IBSLOT(__iand__, nb_inplace_and, slot_nb_inplace_and,
wrap_binaryfunc, "&="),
IBSLOT("__ixor__", nb_inplace_xor, slot_nb_inplace_xor,
IBSLOT(__ixor__, nb_inplace_xor, slot_nb_inplace_xor,
wrap_binaryfunc, "^="),
IBSLOT("__ior__", nb_inplace_or, slot_nb_inplace_or,
IBSLOT(__ior__, nb_inplace_or, slot_nb_inplace_or,
wrap_binaryfunc, "|="),
BINSLOT("__floordiv__", nb_floor_divide, slot_nb_floor_divide, "//"),
RBINSLOT("__rfloordiv__", nb_floor_divide, slot_nb_floor_divide, "//"),
BINSLOT("__truediv__", nb_true_divide, slot_nb_true_divide, "/"),
RBINSLOT("__rtruediv__", nb_true_divide, slot_nb_true_divide, "/"),
IBSLOT("__ifloordiv__", nb_inplace_floor_divide,
BINSLOT(__floordiv__, nb_floor_divide, slot_nb_floor_divide, "//"),
RBINSLOT(__rfloordiv__, nb_floor_divide, slot_nb_floor_divide, "//"),
BINSLOT(__truediv__, nb_true_divide, slot_nb_true_divide, "/"),
RBINSLOT(__rtruediv__, nb_true_divide, slot_nb_true_divide, "/"),
IBSLOT(__ifloordiv__, nb_inplace_floor_divide,
slot_nb_inplace_floor_divide, wrap_binaryfunc, "//="),
IBSLOT("__itruediv__", nb_inplace_true_divide,
IBSLOT(__itruediv__, nb_inplace_true_divide,
slot_nb_inplace_true_divide, wrap_binaryfunc, "/="),
NBSLOT("__index__", nb_index, slot_nb_index, wrap_unaryfunc,
NBSLOT(__index__, nb_index, slot_nb_index, wrap_unaryfunc,
"__index__($self, /)\n--\n\n"
"Return self converted to an integer, if self is suitable "
"for use as an index into a list."),
BINSLOT("__matmul__", nb_matrix_multiply, slot_nb_matrix_multiply,
BINSLOT(__matmul__, nb_matrix_multiply, slot_nb_matrix_multiply,
"@"),
RBINSLOT("__rmatmul__", nb_matrix_multiply, slot_nb_matrix_multiply,
RBINSLOT(__rmatmul__, nb_matrix_multiply, slot_nb_matrix_multiply,
"@"),
IBSLOT("__imatmul__", nb_inplace_matrix_multiply, slot_nb_inplace_matrix_multiply,
IBSLOT(__imatmul__, nb_inplace_matrix_multiply, slot_nb_inplace_matrix_multiply,
wrap_binaryfunc, "@="),
MPSLOT("__len__", mp_length, slot_mp_length, wrap_lenfunc,
MPSLOT(__len__, mp_length, slot_mp_length, wrap_lenfunc,
"__len__($self, /)\n--\n\nReturn len(self)."),
MPSLOT("__getitem__", mp_subscript, slot_mp_subscript,
MPSLOT(__getitem__, mp_subscript, slot_mp_subscript,
wrap_binaryfunc,
"__getitem__($self, key, /)\n--\n\nReturn self[key]."),
MPSLOT("__setitem__", mp_ass_subscript, slot_mp_ass_subscript,
MPSLOT(__setitem__, mp_ass_subscript, slot_mp_ass_subscript,
wrap_objobjargproc,
"__setitem__($self, key, value, /)\n--\n\nSet self[key] to value."),
MPSLOT("__delitem__", mp_ass_subscript, slot_mp_ass_subscript,
MPSLOT(__delitem__, mp_ass_subscript, slot_mp_ass_subscript,
wrap_delitem,
"__delitem__($self, key, /)\n--\n\nDelete self[key]."),
SQSLOT("__len__", sq_length, slot_sq_length, wrap_lenfunc,
SQSLOT(__len__, sq_length, slot_sq_length, wrap_lenfunc,
"__len__($self, /)\n--\n\nReturn len(self)."),
/* Heap types defining __add__/__mul__ have sq_concat/sq_repeat == NULL.
The logic in abstract.c always falls back to nb_add/nb_multiply in
this case. Defining both the nb_* and the sq_* slots to call the
user-defined methods has unexpected side-effects, as shown by
test_descr.notimplemented() */
SQSLOT("__add__", sq_concat, NULL, wrap_binaryfunc,
SQSLOT(__add__, sq_concat, NULL, wrap_binaryfunc,
"__add__($self, value, /)\n--\n\nReturn self+value."),
SQSLOT("__mul__", sq_repeat, NULL, wrap_indexargfunc,
SQSLOT(__mul__, sq_repeat, NULL, wrap_indexargfunc,
"__mul__($self, value, /)\n--\n\nReturn self*value."),
SQSLOT("__rmul__", sq_repeat, NULL, wrap_indexargfunc,
SQSLOT(__rmul__, sq_repeat, NULL, wrap_indexargfunc,
"__rmul__($self, value, /)\n--\n\nReturn value*self."),
SQSLOT("__getitem__", sq_item, slot_sq_item, wrap_sq_item,
SQSLOT(__getitem__, sq_item, slot_sq_item, wrap_sq_item,
"__getitem__($self, key, /)\n--\n\nReturn self[key]."),
SQSLOT("__setitem__", sq_ass_item, slot_sq_ass_item, wrap_sq_setitem,
SQSLOT(__setitem__, sq_ass_item, slot_sq_ass_item, wrap_sq_setitem,
"__setitem__($self, key, value, /)\n--\n\nSet self[key] to value."),
SQSLOT("__delitem__", sq_ass_item, slot_sq_ass_item, wrap_sq_delitem,
SQSLOT(__delitem__, sq_ass_item, slot_sq_ass_item, wrap_sq_delitem,
"__delitem__($self, key, /)\n--\n\nDelete self[key]."),
SQSLOT("__contains__", sq_contains, slot_sq_contains, wrap_objobjproc,
SQSLOT(__contains__, sq_contains, slot_sq_contains, wrap_objobjproc,
"__contains__($self, key, /)\n--\n\nReturn key in self."),
SQSLOT("__iadd__", sq_inplace_concat, NULL,
SQSLOT(__iadd__, sq_inplace_concat, NULL,
wrap_binaryfunc,
"__iadd__($self, value, /)\n--\n\nImplement self+=value."),
SQSLOT("__imul__", sq_inplace_repeat, NULL,
SQSLOT(__imul__, sq_inplace_repeat, NULL,
wrap_indexargfunc,
"__imul__($self, value, /)\n--\n\nImplement self*=value."),
@ -8953,38 +8946,6 @@ update_slots_callback(PyTypeObject *type, void *data)
return 0;
}
static int slotdefs_initialized = 0;
/* Initialize the slotdefs table by adding interned string objects for the
names. */
PyStatus
_PyTypes_InitSlotDefs(void)
{
if (slotdefs_initialized) {
return _PyStatus_OK();
}
for (slotdef *p = slotdefs; p->name; p++) {
/* Slots must be ordered by their offset in the PyHeapTypeObject. */
assert(!p[1].name || p->offset <= p[1].offset);
/* bpo-40521: Interned strings are shared by all subinterpreters */
p->name_strobj = PyUnicode_InternFromString(p->name);
if (!p->name_strobj || !PyUnicode_CHECK_INTERNED(p->name_strobj)) {
return _PyStatus_NO_MEMORY();
}
}
slotdefs_initialized = 1;
return _PyStatus_OK();
}
/* Undo _PyTypes_InitSlotDefs(), releasing the interned strings. */
static void clear_slotdefs(void)
{
for (slotdef *p = slotdefs; p->name; p++) {
Py_CLEAR(p->name_strobj);
}
slotdefs_initialized = 0;
}
/* Update the slots after assignment to a class (type) attribute. */
static int
update_slot(PyTypeObject *type, PyObject *name)
@ -8997,10 +8958,10 @@ update_slot(PyTypeObject *type, PyObject *name)
assert(PyUnicode_CheckExact(name));
assert(PyUnicode_CHECK_INTERNED(name));
assert(slotdefs_initialized);
pp = ptrs;
for (p = slotdefs; p->name; p++) {
assert(PyUnicode_CheckExact(p->name_strobj));
assert(PyUnicode_CHECK_INTERNED(p->name_strobj));
assert(PyUnicode_CheckExact(name));
/* bpo-40521: Using interned strings. */
if (p->name_strobj == name) {
@ -9028,7 +8989,6 @@ static void
fixup_slot_dispatchers(PyTypeObject *type)
{
assert(!PyErr_Occurred());
assert(slotdefs_initialized);
for (slotdef *p = slotdefs; p->name; ) {
p = update_one_slot(type, p);
}
@ -9042,7 +9002,6 @@ update_all_slots(PyTypeObject* type)
/* Clear the VALID_VERSION flag of 'type' and all its subclasses. */
PyType_Modified(type);
assert(slotdefs_initialized);
for (p = slotdefs; p->name; p++) {
/* update_slot returns int but can't actually fail */
update_slot(type, p->name_strobj);
@ -9213,7 +9172,6 @@ add_operators(PyTypeObject *type)
PyObject *descr;
void **ptr;
assert(slotdefs_initialized);
for (p = slotdefs; p->name; p++) {
if (p->wrapper == NULL)
continue;

5
Python/pylifecycle.c
View File

@ -695,11 +695,6 @@ pycore_init_types(PyInterpreterState *interp)
{
PyStatus status;
status = _PyTypes_InitState(interp);
if (_PyStatus_EXCEPTION(status)) {
return status;
}
status = _PyTypes_InitTypes(interp);
if (_PyStatus_EXCEPTION(status)) {
return status;

36
Tools/scripts/generate_global_objects.py
View File

@ -14,6 +14,7 @@ IGNORED = {
'DUNDER', # Objects/typeobject.c
'RDUNDER', # Objects/typeobject.c
'SPECIAL', # Objects/weakrefobject.c
'NAME', # Objects/typeobject.c
}
IDENTIFIERS = [
# from ADD() Python/_warnings.c
@ -42,11 +43,27 @@ IDENTIFIERS = [
# from SLOT* in Objects/typeobject.c
'__abs__',
'__add__',
'__aiter__',
'__and__',
'__divmod__',
'__anext__',
'__await__',
'__bool__',
'__call__',
'__contains__',
'__del__',
'__delattr__',
'__delete__',
'__delitem__',
'__eq__',
'__float__',
'__floordiv__',
'__ge__',
'__get__',
'__getattr__',
'__getattribute__',
'__getitem__',
'__gt__',
'__hash__',
'__iadd__',
'__iand__',
'__ifloordiv__',
@ -54,24 +71,34 @@ IDENTIFIERS = [
'__imatmul__',
'__imod__',
'__imul__',
'__index__',
'__init__',
'__int__',
'__invert__',
'__ior__',
'__ipow__',
'__irshift__',
'__isub__',
'__iter__',
'__itruediv__',
'__ixor__',
'__le__',
'__len__',
'__lshift__',
'__lt__',
'__matmul__',
'__mod__',
'__mul__',
'__ne__',
'__neg__',
'__new__',
'__next__',
'__or__',
'__pos__',
'__pow__',
'__radd__',
'__rand__',
'__rdivmod__',
'__repr__',
'__rfloordiv__',
'__rlshift__',
'__rmatmul__',
@ -84,10 +111,15 @@ IDENTIFIERS = [
'__rsub__',
'__rtruediv__',
'__rxor__',
'__set__',
'__setattr__',
'__setitem__',
'__str__',
'__sub__',
'__truediv__',
'__xor__',
'__divmod__',
'__rdivmod__',
]