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gh-103906: Remove immortal refcounting in compile/marshal.c #103922

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merged 4 commits into from
Jun 5, 2023
Merged

gh-103906: Remove immortal refcounting in compile/marshal.c #103922

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8cdd24d
gh-103906: Remove immortal refcounting in compile.c
corona10 Apr 27, 2023
6d0dd68
Remove refcounting for Py_None
corona10 Apr 27, 2023
57d9b5f
Update Python/compile.c
corona10 Apr 27, 2023
414eae5
Remove more cases
corona10 Apr 27, 2023
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2 changes: 1 addition & 1 deletion Objects/sliceobject.c
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Original file line number Diff line number Diff line change
Expand Up @@ -26,7 +26,7 @@ ellipsis_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
PyErr_SetString(PyExc_TypeError, "EllipsisType takes no arguments");
return NULL;
}
return Py_NewRef(Py_Ellipsis);
return Py_Ellipsis;
}

static void
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6 changes: 3 additions & 3 deletions Python/compile.c
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Expand Up @@ -892,10 +892,10 @@ static PyObject*
merge_consts_recursive(PyObject *const_cache, PyObject *o)
{
assert(PyDict_CheckExact(const_cache));
// None and Ellipsis are singleton, and key is the singleton.
// None and Ellipsis are immortal objects, and key is the singleton.
// No need to merge object and key.
if (o == Py_None || o == Py_Ellipsis) {
return Py_NewRef(o);
return o;
}

PyObject *key = _PyCode_ConstantKey(o);
Expand Down Expand Up @@ -5706,7 +5706,7 @@ compiler_error(struct compiler *c, location loc,
}
PyObject *loc_obj = PyErr_ProgramTextObject(c->c_filename, loc.lineno);
if (loc_obj == NULL) {
loc_obj = Py_NewRef(Py_None);
loc_obj = Py_None;
}
PyObject *args = Py_BuildValue("O(OiiOii)", msg, c->c_filename,
loc.lineno, loc.col_offset + 1, loc_obj,
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8 changes: 4 additions & 4 deletions Python/marshal.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1015,23 +1015,23 @@ r_object(RFILE *p)
break;

case TYPE_NONE:
retval = Py_NewRef(Py_None);
retval = Py_None;
break;

case TYPE_STOPITER:
retval = Py_NewRef(PyExc_StopIteration);
break;

case TYPE_ELLIPSIS:
retval = Py_NewRef(Py_Ellipsis);
retval = Py_Ellipsis;
break;

case TYPE_FALSE:
retval = Py_NewRef(Py_False);
retval = Py_False;
break;

case TYPE_TRUE:
retval = Py_NewRef(Py_True);
retval = Py_True;
break;

case TYPE_INT:
Expand Down