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-rw-r--r--Include/descrobject.h14
-rw-r--r--Misc/NEWS8
-rw-r--r--Objects/descrobject.c30
-rw-r--r--Objects/typeobject.c2
4 files changed, 31 insertions, 23 deletions
diff --git a/Include/descrobject.h b/Include/descrobject.h
index f06b421..7c42808 100644
--- a/Include/descrobject.h
+++ b/Include/descrobject.h
@@ -37,15 +37,17 @@ struct wrapperbase {
/* Various kinds of descriptor objects */
-#define PyDescr_COMMON \
- PyObject_HEAD \
- PyTypeObject *d_type; \
- PyObject *d_name
-
typedef struct {
- PyDescr_COMMON;
+ PyObject_HEAD
+ PyTypeObject *d_type;
+ PyObject *d_name;
} PyDescrObject;
+#define PyDescr_COMMON PyDescrObject d_common
+
+#define PyDescr_TYPE(x) (((PyDescrObject *)(x))->d_type)
+#define PyDescr_NAME(x) (((PyDescrObject *)(x))->d_name)
+
typedef struct {
PyDescr_COMMON;
PyMethodDef *d_method;
diff --git a/Misc/NEWS b/Misc/NEWS
index 01ca4d1..da7fa5b 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -36,7 +36,12 @@ Core and Builtins
C-API
-----
-- Issue #6405: Remove duplicatet type declarations in descrobject.h.
+- Issue #6151: Made PyDescr_COMMON conform to standard C (like PyObject_HEAD
+ in PEP 3123). The PyDescr_TYPE and PyDescr_NAME macros should be
+ should used for accessing the d_type and d_name members of structures
+ using PyDescr_COMMON.
+
+- Issue #6405: Remove duplicate type declarations in descrobject.h.
- The code flags for old __future__ features are now available again.
@@ -49,6 +54,7 @@ C-API
- Issue #1419652: Change the first argument to PyImport_AppendInittab() to
``const char *`` as the string is stored beyond the call.
+
Library
-------
diff --git a/Objects/descrobject.c b/Objects/descrobject.c
index d658151..a254339 100644
--- a/Objects/descrobject.c
+++ b/Objects/descrobject.c
@@ -92,7 +92,7 @@ classmethod_get(PyMethodDescrObject *descr, PyObject *obj, PyObject *type)
"descriptor '%V' for type '%s' "
"needs either an object or a type",
descr_name((PyDescrObject *)descr), "?",
- descr->d_type->tp_name);
+ PyDescr_TYPE(descr)->tp_name);
return NULL;
}
}
@@ -101,16 +101,16 @@ classmethod_get(PyMethodDescrObject *descr, PyObject *obj, PyObject *type)
"descriptor '%V' for type '%s' "
"needs a type, not a '%s' as arg 2",
descr_name((PyDescrObject *)descr), "?",
- descr->d_type->tp_name,
+ PyDescr_TYPE(descr)->tp_name,
type->ob_type->tp_name);
return NULL;
}
- if (!PyType_IsSubtype((PyTypeObject *)type, descr->d_type)) {
+ if (!PyType_IsSubtype((PyTypeObject *)type, PyDescr_TYPE(descr))) {
PyErr_Format(PyExc_TypeError,
"descriptor '%V' for type '%s' "
"doesn't apply to type '%s'",
descr_name((PyDescrObject *)descr), "?",
- descr->d_type->tp_name,
+ PyDescr_TYPE(descr)->tp_name,
((PyTypeObject *)type)->tp_name);
return NULL;
}
@@ -149,7 +149,7 @@ getset_get(PyGetSetDescrObject *descr, PyObject *obj, PyObject *type)
PyErr_Format(PyExc_AttributeError,
"attribute '%V' of '%.100s' objects is not readable",
descr_name((PyDescrObject *)descr), "?",
- descr->d_type->tp_name);
+ PyDescr_TYPE(descr)->tp_name);
return NULL;
}
@@ -204,7 +204,7 @@ getset_set(PyGetSetDescrObject *descr, PyObject *obj, PyObject *value)
PyErr_Format(PyExc_AttributeError,
"attribute '%V' of '%.100s' objects is not writable",
descr_name((PyDescrObject *)descr), "?",
- descr->d_type->tp_name);
+ PyDescr_TYPE(descr)->tp_name);
return -1;
}
@@ -222,17 +222,17 @@ methoddescr_call(PyMethodDescrObject *descr, PyObject *args, PyObject *kwds)
"descriptor '%V' of '%.100s' "
"object needs an argument",
descr_name((PyDescrObject *)descr), "?",
- descr->d_type->tp_name);
+ PyDescr_TYPE(descr)->tp_name);
return NULL;
}
self = PyTuple_GET_ITEM(args, 0);
- if (!PyObject_IsInstance(self, (PyObject *)(descr->d_type))) {
+ if (!PyObject_IsInstance(self, (PyObject *)PyDescr_TYPE(descr))) {
PyErr_Format(PyExc_TypeError,
"descriptor '%V' "
"requires a '%.100s' object "
"but received a '%.100s'",
descr_name((PyDescrObject *)descr), "?",
- descr->d_type->tp_name,
+ PyDescr_TYPE(descr)->tp_name,
self->ob_type->tp_name);
return NULL;
}
@@ -257,7 +257,7 @@ classmethoddescr_call(PyMethodDescrObject *descr, PyObject *args,
{
PyObject *func, *result;
- func = PyCFunction_New(descr->d_method, (PyObject *)descr->d_type);
+ func = PyCFunction_New(descr->d_method, (PyObject *)PyDescr_TYPE(descr));
if (func == NULL)
return NULL;
@@ -280,17 +280,17 @@ wrapperdescr_call(PyWrapperDescrObject *descr, PyObject *args, PyObject *kwds)
"descriptor '%V' of '%.100s' "
"object needs an argument",
descr_name((PyDescrObject *)descr), "?",
- descr->d_type->tp_name);
+ PyDescr_TYPE(descr)->tp_name);
return NULL;
}
self = PyTuple_GET_ITEM(args, 0);
- if (!PyObject_IsInstance(self, (PyObject *)(descr->d_type))) {
+ if (!PyObject_IsInstance(self, (PyObject *)PyDescr_TYPE(descr))) {
PyErr_Format(PyExc_TypeError,
"descriptor '%V' "
"requires a '%.100s' object "
"but received a '%.100s'",
descr_name((PyDescrObject *)descr), "?",
- descr->d_type->tp_name,
+ PyDescr_TYPE(descr)->tp_name,
self->ob_type->tp_name);
return NULL;
}
@@ -949,7 +949,7 @@ static PyMemberDef wrapper_members[] = {
static PyObject *
wrapper_objclass(wrapperobject *wp)
{
- PyObject *c = (PyObject *)wp->descr->d_type;
+ PyObject *c = (PyObject *)PyDescr_TYPE(wp->descr);
Py_INCREF(c);
return c;
@@ -1059,7 +1059,7 @@ PyWrapper_New(PyObject *d, PyObject *self)
assert(PyObject_TypeCheck(d, &PyWrapperDescr_Type));
descr = (PyWrapperDescrObject *)d;
- assert(PyObject_IsInstance(self, (PyObject *)(descr->d_type)));
+ assert(PyObject_IsInstance(self, (PyObject *)PyDescr_TYPE(descr)));
wp = PyObject_GC_New(wrapperobject, &wrappertype);
if (wp != NULL) {
diff --git a/Objects/typeobject.c b/Objects/typeobject.c
index 60483e7..24866ff 100644
--- a/Objects/typeobject.c
+++ b/Objects/typeobject.c
@@ -5648,7 +5648,7 @@ update_one_slot(PyTypeObject *type, slotdef *p)
generic = p->function;
d = (PyWrapperDescrObject *)descr;
if (d->d_base->wrapper == p->wrapper &&
- PyType_IsSubtype(type, d->d_type))
+ PyType_IsSubtype(type, PyDescr_TYPE(d)))
{
if (specific == NULL ||
specific == d->d_wrapped)