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GH-127705: Use _PyStackRefs in the default build. (GH-127875)

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Mark Shannon 2025-03-10 14:06:56 +00:00 • committed by GitHub
parent 7cc99a54b7
commit 2bef8ea8ea
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21 changed files with 688 additions and 254 deletions
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58
Python/ceval.c
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@ -133,36 +133,55 @@
#ifdef Py_DEBUG
static void
dump_item(_PyStackRef item)
{
if (PyStackRef_IsNull(item)) {
printf("<NULL>");
return;
}
PyObject *obj = PyStackRef_AsPyObjectBorrow(item);
if (obj == NULL) {
printf("<nil>");
return;
}
if (
obj == Py_None
|| PyBool_Check(obj)
|| PyLong_CheckExact(obj)
|| PyFloat_CheckExact(obj)
|| PyUnicode_CheckExact(obj)
) {
if (PyObject_Print(obj, stdout, 0) == 0) {
return;
}
PyErr_Clear();
}
// Don't call __repr__(), it might recurse into the interpreter.
printf("<%s at %p>", Py_TYPE(obj)->tp_name, (void *)obj);
}
static void
dump_stack(_PyInterpreterFrame *frame, _PyStackRef *stack_pointer)
{
_PyFrame_SetStackPointer(frame, stack_pointer);
_PyStackRef *locals_base = _PyFrame_GetLocalsArray(frame);
_PyStackRef *stack_base = _PyFrame_Stackbase(frame);
PyObject *exc = PyErr_GetRaisedException();
printf(" locals=[");
for (_PyStackRef *ptr = locals_base; ptr < stack_base; ptr++) {
if (ptr != locals_base) {
printf(", ");
}
dump_item(*ptr);
}
printf("]\n");
printf(" stack=[");
for (_PyStackRef *ptr = stack_base; ptr < stack_pointer; ptr++) {
if (ptr != stack_base) {
printf(", ");
}
PyObject *obj = PyStackRef_AsPyObjectBorrow(*ptr);
if (obj == NULL) {
printf("<nil>");
continue;
}
if (
obj == Py_None
|| PyBool_Check(obj)
|| PyLong_CheckExact(obj)
|| PyFloat_CheckExact(obj)
|| PyUnicode_CheckExact(obj)
) {
if (PyObject_Print(obj, stdout, 0) == 0) {
continue;
}
PyErr_Clear();
}
// Don't call __repr__(), it might recurse into the interpreter.
printf("<%s at %p>", Py_TYPE(obj)->tp_name, PyStackRef_AsPyObjectBorrow(*ptr));
dump_item(*ptr);
}
printf("]\n");
fflush(stdout);
@ -1390,7 +1409,6 @@ initialize_locals(PyThreadState *tstate, PyFunctionObject *func,
{
PyCodeObject *co = (PyCodeObject*)func->func_code;
const Py_ssize_t total_args = co->co_argcount + co->co_kwonlyargcount;
/* Create a dictionary for keyword parameters (**kwags) */
PyObject *kwdict;
Py_ssize_t i;