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GH-120024: Refactor code a bit so that escaping calls can be wrapped in spill code in code generator#122693

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Merged
markshannon merged 1 commit into from
Aug 6, 2024
Merged

GH-120024: Refactor code a bit so that escaping calls can be wrapped in spill code in code generator #122693

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50 changes: 32 additions & 18 deletions Python/bytecodes.c
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Original file line numberDiff line numberDiff line change
Expand Up@@ -287,7 +287,8 @@ dummy_func(
/* Need to create a fake StopIteration error here,
* to conform to PEP 380 */
if (PyStackRef_GenCheck(receiver)){
if (monitor_stop_iteration(tstate, frame, this_instr, PyStackRef_AsPyObjectBorrow(value))){
int err = monitor_stop_iteration(tstate, frame, this_instr, PyStackRef_AsPyObjectBorrow(value));
if (err){
ERROR_NO_POP();
}
}
Expand All@@ -302,7 +303,8 @@ dummy_func(
tier1 inst(INSTRUMENTED_END_SEND, (receiver, value -- value)){
PyObject *receiver_o = PyStackRef_AsPyObjectBorrow(receiver);
if (PyGen_Check(receiver_o) || PyCoro_CheckExact(receiver_o)){
if (monitor_stop_iteration(tstate, frame, this_instr, PyStackRef_AsPyObjectBorrow(value))){
int err = monitor_stop_iteration(tstate, frame, this_instr, PyStackRef_AsPyObjectBorrow(value));
if (err){
ERROR_NO_POP();
}
}
Expand DownExpand Up@@ -1069,11 +1071,12 @@ dummy_func(
PyStackRef_AsPyObjectBorrow(v));
}
if (retval_o == NULL){
if (_PyErr_ExceptionMatches(tstate, PyExc_StopIteration)
){
int matches = _PyErr_ExceptionMatches(tstate, PyExc_StopIteration);
if (matches){
_PyEval_MonitorRaise(tstate, frame, this_instr);
}
if (_PyGen_FetchStopIterationValue(&retval_o) == 0){
int err = _PyGen_FetchStopIterationValue(&retval_o);
if (err == 0){
assert(retval_o != NULL);
JUMPBY(oparg);
}
Expand DownExpand Up@@ -1210,7 +1213,8 @@ dummy_func(
assert(throwflag);
assert(exc_value && PyExceptionInstance_Check(exc_value));

if (PyErr_GivenExceptionMatches(exc_value, PyExc_StopIteration)){
int matches = PyErr_GivenExceptionMatches(exc_value, PyExc_StopIteration);
if (matches){
value = PyStackRef_FromPyObjectNew(((PyStopIterationObject *)exc_value)->value);
DECREF_INPUTS();
none = PyStackRef_None;
Expand DownExpand Up@@ -1425,7 +1429,8 @@ dummy_func(
inst(LOAD_FROM_DICT_OR_GLOBALS, (mod_or_class_dict -- v)){
PyObject *name = GETITEM(FRAME_CO_NAMES, oparg);
PyObject *v_o;
if (PyMapping_GetOptionalItem(PyStackRef_AsPyObjectBorrow(mod_or_class_dict), name, &v_o) < 0){
int err = PyMapping_GetOptionalItem(PyStackRef_AsPyObjectBorrow(mod_or_class_dict), name, &v_o);
if (err < 0){
ERROR_NO_POP();
}
if (v_o == NULL){
Expand DownExpand Up@@ -1596,7 +1601,8 @@ dummy_func(
assert(class_dict);
assert(oparg >= 0 && oparg < _PyFrame_GetCode(frame)->co_nlocalsplus);
name = PyTuple_GET_ITEM(_PyFrame_GetCode(frame)->co_localsplusnames, oparg);
if (PyMapping_GetOptionalItem(class_dict, name, &value_o) < 0){
int err = PyMapping_GetOptionalItem(class_dict, name, &value_o);
if (err < 0){
ERROR_NO_POP();
}
if (!value_o){
Expand DownExpand Up@@ -1676,7 +1682,8 @@ dummy_func(

PyObject *none_val = _PyList_Extend((PyListObject *)list, iterable);
if (none_val == NULL){
if (_PyErr_ExceptionMatches(tstate, PyExc_TypeError) &&
int matches = _PyErr_ExceptionMatches(tstate, PyExc_TypeError);
if (matches &&
(Py_TYPE(iterable)->tp_iter == NULL && !PySequence_Check(iterable)))
{
_PyErr_Clear(tstate);
Expand DownExpand Up@@ -1762,8 +1769,10 @@ dummy_func(
PyObject *dict_o = PyStackRef_AsPyObjectBorrow(dict);
PyObject *update_o = PyStackRef_AsPyObjectBorrow(update);

if (PyDict_Update(dict_o, update_o) < 0){
if (_PyErr_ExceptionMatches(tstate, PyExc_AttributeError)){
int err = PyDict_Update(dict_o, update_o);
if (err < 0){
int matches = _PyErr_ExceptionMatches(tstate, PyExc_AttributeError);
if (matches){
_PyErr_Format(tstate, PyExc_TypeError,
"'%.200s' object is not a mapping",
Py_TYPE(update_o)->tp_name);
Expand All@@ -1779,7 +1788,8 @@ dummy_func(
PyObject *dict_o = PyStackRef_AsPyObjectBorrow(dict);
PyObject *update_o = PyStackRef_AsPyObjectBorrow(update);

if (_PyDict_MergeEx(dict_o, update_o, 2) < 0){
int err = _PyDict_MergeEx(dict_o, update_o, 2);
if (err < 0){
_PyEval_FormatKwargsError(tstate, callable_o, update_o);
DECREF_INPUTS();
ERROR_IF(true, error);
Expand DownExpand Up@@ -1943,7 +1953,8 @@ dummy_func(
if (oparg & 1){
/* Designed to work in tandem with CALL, pushes two values. */
attr_o = NULL;
if (_PyObject_GetMethod(PyStackRef_AsPyObjectBorrow(owner), name, &attr_o)){
int is_meth = _PyObject_GetMethod(PyStackRef_AsPyObjectBorrow(owner), name, &attr_o);
if (is_meth){
/* We can bypass temporary bound method object.
meth is unbound method and obj is self.
meth | self | arg1 | ... | argN
Expand DownExpand Up@@ -2431,8 +2442,8 @@ dummy_func(
inst(CHECK_EG_MATCH, (exc_value_st, match_type_st -- rest, match)){
PyObject *exc_value = PyStackRef_AsPyObjectBorrow(exc_value_st);
PyObject *match_type = PyStackRef_AsPyObjectBorrow(match_type_st);

if (_PyEval_CheckExceptStarTypeValid(tstate, match_type) < 0){
int err = _PyEval_CheckExceptStarTypeValid(tstate, match_type);
if (err < 0){
DECREF_INPUTS();
ERROR_IF(true, error);
}
Expand DownExpand Up@@ -2719,7 +2730,8 @@ dummy_func(
if (next_o == NULL){
next = PyStackRef_NULL;
if (_PyErr_Occurred(tstate)){
if (!_PyErr_ExceptionMatches(tstate, PyExc_StopIteration)){
int matches = _PyErr_ExceptionMatches(tstate, PyExc_StopIteration);
if (!matches){
ERROR_NO_POP();
}
_PyEval_MonitorRaise(tstate, frame, this_instr);
Expand All@@ -2744,7 +2756,8 @@ dummy_func(
PyObject *next_o = (*Py_TYPE(iter_o)->tp_iternext)(iter_o);
if (next_o == NULL){
if (_PyErr_Occurred(tstate)){
if (!_PyErr_ExceptionMatches(tstate, PyExc_StopIteration)){
int matches = _PyErr_ExceptionMatches(tstate, PyExc_StopIteration);
if (!matches){
ERROR_NO_POP();
}
_PyEval_MonitorRaise(tstate, frame, frame->instr_ptr);
Expand All@@ -2771,7 +2784,8 @@ dummy_func(
}
else{
if (_PyErr_Occurred(tstate)){
if (!_PyErr_ExceptionMatches(tstate, PyExc_StopIteration)){
int matches = _PyErr_ExceptionMatches(tstate, PyExc_StopIteration);
if (!matches){
ERROR_NO_POP();
}
_PyEval_MonitorRaise(tstate, frame, this_instr);
Expand Down
24 changes: 16 additions & 8 deletions Python/executor_cases.c.h
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46 changes: 30 additions & 16 deletions Python/generated_cases.c.h
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