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cpython/Python/executor_cases.c.h

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// This file is generated by Tools/cases_generator/generate_cases.py
// from:
// Python/bytecodes.c
// Do not edit!
case NOP: {
break;
}
case LOAD_FAST_CHECK: {
PyObject *value;
value = GETLOCAL(oparg);
if (value == NULL) goto unbound_local_error;
Py_INCREF(value);
STACK_GROW(1);
stack_pointer[-1] = value;
break;
}
case LOAD_FAST: {
PyObject *value;
value = GETLOCAL(oparg);
assert(value != NULL);
Py_INCREF(value);
STACK_GROW(1);
stack_pointer[-1] = value;
break;
}
case LOAD_FAST_AND_CLEAR: {
PyObject *value;
value = GETLOCAL(oparg);
// do not use SETLOCAL here, it decrefs the old value
GETLOCAL(oparg) = NULL;
STACK_GROW(1);
stack_pointer[-1] = value;
break;
}
case LOAD_CONST: {
PyObject *value;
value = GETITEM(FRAME_CO_CONSTS, oparg);
Py_INCREF(value);
STACK_GROW(1);
stack_pointer[-1] = value;
break;
}
case STORE_FAST: {
PyObject *value = stack_pointer[-1];
SETLOCAL(oparg, value);
STACK_SHRINK(1);
break;
}
case POP_TOP: {
PyObject *value = stack_pointer[-1];
Py_DECREF(value);
STACK_SHRINK(1);
break;
}
case PUSH_NULL: {
PyObject *res;
res = NULL;
STACK_GROW(1);
stack_pointer[-1] = res;
break;
}
case END_SEND: {
PyObject *value = stack_pointer[-1];
PyObject *receiver = stack_pointer[-2];
Py_DECREF(receiver);
STACK_SHRINK(1);
stack_pointer[-1] = value;
break;
}
case UNARY_NEGATIVE: {
PyObject *value = stack_pointer[-1];
PyObject *res;
res = PyNumber_Negative(value);
Py_DECREF(value);
if (res == NULL) goto pop_1_error;
stack_pointer[-1] = res;
break;
}
case UNARY_NOT: {
PyObject *value = stack_pointer[-1];
PyObject *res;
assert(PyBool_Check(value));
res = Py_IsFalse(value) ? Py_True : Py_False;
stack_pointer[-1] = res;
break;
}
case TO_BOOL: {
static_assert(INLINE_CACHE_ENTRIES_TO_BOOL == 3, "incorrect cache size");
PyObject *value = stack_pointer[-1];
PyObject *res;
#if ENABLE_SPECIALIZATION
_PyToBoolCache *cache = (_PyToBoolCache *)next_instr;
if (ADAPTIVE_COUNTER_IS_ZERO(cache->counter)) {
next_instr--;
_Py_Specialize_ToBool(value, next_instr);
DISPATCH_SAME_OPARG();
}
STAT_INC(TO_BOOL, deferred);
DECREMENT_ADAPTIVE_COUNTER(cache->counter);
#endif /* ENABLE_SPECIALIZATION */
int err = PyObject_IsTrue(value);
Py_DECREF(value);
if (err < 0) goto pop_1_error;
res = err ? Py_True : Py_False;
stack_pointer[-1] = res;
break;
}
case TO_BOOL_BOOL: {
PyObject *value = stack_pointer[-1];
DEOPT_IF(!PyBool_Check(value), TO_BOOL);
STAT_INC(TO_BOOL, hit);
break;
}
case TO_BOOL_INT: {
PyObject *value = stack_pointer[-1];
PyObject *res;
DEOPT_IF(!PyLong_CheckExact(value), TO_BOOL);
STAT_INC(TO_BOOL, hit);
if (_PyLong_IsZero((PyLongObject *)value)) {
assert(_Py_IsImmortal(value));
res = Py_False;
}
else {
Py_DECREF(value);
res = Py_True;
}
stack_pointer[-1] = res;
break;
}
case TO_BOOL_LIST: {
PyObject *value = stack_pointer[-1];
PyObject *res;
DEOPT_IF(!PyList_CheckExact(value), TO_BOOL);
STAT_INC(TO_BOOL, hit);
res = Py_SIZE(value) ? Py_True : Py_False;
Py_DECREF(value);
stack_pointer[-1] = res;
break;
}
case TO_BOOL_NONE: {
PyObject *value = stack_pointer[-1];
PyObject *res;
// This one is a bit weird, because we expect *some* failures:
DEOPT_IF(!Py_IsNone(value), TO_BOOL);
STAT_INC(TO_BOOL, hit);
res = Py_False;
stack_pointer[-1] = res;
break;
}
case TO_BOOL_STR: {
PyObject *value = stack_pointer[-1];
PyObject *res;
DEOPT_IF(!PyUnicode_CheckExact(value), TO_BOOL);
STAT_INC(TO_BOOL, hit);
if (value == &_Py_STR(empty)) {
assert(_Py_IsImmortal(value));
res = Py_False;
}
else {
assert(Py_SIZE(value));
Py_DECREF(value);
res = Py_True;
}
stack_pointer[-1] = res;
break;
}
case TO_BOOL_ALWAYS_TRUE: {
PyObject *value = stack_pointer[-1];
PyObject *res;
uint32_t version = (uint32_t)operand;
// This one is a bit weird, because we expect *some* failures:
assert(version);
DEOPT_IF(Py_TYPE(value)->tp_version_tag != version, TO_BOOL);
STAT_INC(TO_BOOL, hit);
Py_DECREF(value);
res = Py_True;
stack_pointer[-1] = res;
break;
}
case UNARY_INVERT: {
PyObject *value = stack_pointer[-1];
PyObject *res;
res = PyNumber_Invert(value);
Py_DECREF(value);
if (res == NULL) goto pop_1_error;
stack_pointer[-1] = res;
break;
}
case _GUARD_BOTH_INT: {
PyObject *right = stack_pointer[-1];
PyObject *left = stack_pointer[-2];
DEOPT_IF(!PyLong_CheckExact(left), BINARY_OP);
DEOPT_IF(!PyLong_CheckExact(right), BINARY_OP);
break;
}
case _BINARY_OP_MULTIPLY_INT: {
PyObject *right = stack_pointer[-1];
PyObject *left = stack_pointer[-2];
PyObject *res;
STAT_INC(BINARY_OP, hit);
res = _PyLong_Multiply((PyLongObject *)left, (PyLongObject *)right);
_Py_DECREF_SPECIALIZED(right, (destructor)PyObject_Free);
_Py_DECREF_SPECIALIZED(left, (destructor)PyObject_Free);
if (res == NULL) goto pop_2_error;
STACK_SHRINK(1);
stack_pointer[-1] = res;
break;
}
case _BINARY_OP_ADD_INT: {
PyObject *right = stack_pointer[-1];
PyObject *left = stack_pointer[-2];
PyObject *res;
STAT_INC(BINARY_OP, hit);
res = _PyLong_Add((PyLongObject *)left, (PyLongObject *)right);
_Py_DECREF_SPECIALIZED(right, (destructor)PyObject_Free);
_Py_DECREF_SPECIALIZED(left, (destructor)PyObject_Free);
if (res == NULL) goto pop_2_error;
STACK_SHRINK(1);
stack_pointer[-1] = res;
break;
}
case _BINARY_OP_SUBTRACT_INT: {
PyObject *right = stack_pointer[-1];
PyObject *left = stack_pointer[-2];
PyObject *res;
STAT_INC(BINARY_OP, hit);
res = _PyLong_Subtract((PyLongObject *)left, (PyLongObject *)right);
_Py_DECREF_SPECIALIZED(right, (destructor)PyObject_Free);
_Py_DECREF_SPECIALIZED(left, (destructor)PyObject_Free);
if (res == NULL) goto pop_2_error;
STACK_SHRINK(1);
stack_pointer[-1] = res;
break;
}
case _GUARD_BOTH_FLOAT: {
PyObject *right = stack_pointer[-1];
PyObject *left = stack_pointer[-2];
DEOPT_IF(!PyFloat_CheckExact(left), BINARY_OP);
DEOPT_IF(!PyFloat_CheckExact(right), BINARY_OP);
break;
}
case _BINARY_OP_MULTIPLY_FLOAT: {
PyObject *right = stack_pointer[-1];
PyObject *left = stack_pointer[-2];
PyObject *res;
STAT_INC(BINARY_OP, hit);
double dres =
((PyFloatObject *)left)->ob_fval *
((PyFloatObject *)right)->ob_fval;
DECREF_INPUTS_AND_REUSE_FLOAT(left, right, dres, res);
STACK_SHRINK(1);
stack_pointer[-1] = res;
break;
}
case _BINARY_OP_ADD_FLOAT: {
PyObject *right = stack_pointer[-1];
PyObject *left = stack_pointer[-2];
PyObject *res;
STAT_INC(BINARY_OP, hit);
double dres =
((PyFloatObject *)left)->ob_fval +
((PyFloatObject *)right)->ob_fval;
DECREF_INPUTS_AND_REUSE_FLOAT(left, right, dres, res);
STACK_SHRINK(1);
stack_pointer[-1] = res;
break;
}
case _BINARY_OP_SUBTRACT_FLOAT: {
PyObject *right = stack_pointer[-1];
PyObject *left = stack_pointer[-2];
PyObject *res;
STAT_INC(BINARY_OP, hit);
double dres =
((PyFloatObject *)left)->ob_fval -
((PyFloatObject *)right)->ob_fval;
DECREF_INPUTS_AND_REUSE_FLOAT(left, right, dres, res);
STACK_SHRINK(1);
stack_pointer[-1] = res;
break;
}
case _GUARD_BOTH_UNICODE: {
PyObject *right = stack_pointer[-1];
PyObject *left = stack_pointer[-2];
DEOPT_IF(!PyUnicode_CheckExact(left), BINARY_OP);
DEOPT_IF(!PyUnicode_CheckExact(right), BINARY_OP);
break;
}
case _BINARY_OP_ADD_UNICODE: {
PyObject *right = stack_pointer[-1];
PyObject *left = stack_pointer[-2];
PyObject *res;
STAT_INC(BINARY_OP, hit);
res = PyUnicode_Concat(left, right);
_Py_DECREF_SPECIALIZED(left, _PyUnicode_ExactDealloc);
_Py_DECREF_SPECIALIZED(right, _PyUnicode_ExactDealloc);
if (res == NULL) goto pop_2_error;
STACK_SHRINK(1);
stack_pointer[-1] = res;
break;
}
case BINARY_SUBSCR: {
static_assert(INLINE_CACHE_ENTRIES_BINARY_SUBSCR == 1, "incorrect cache size");
PyObject *sub = stack_pointer[-1];
PyObject *container = stack_pointer[-2];
PyObject *res;
#if ENABLE_SPECIALIZATION
_PyBinarySubscrCache *cache = (_PyBinarySubscrCache *)next_instr;
if (ADAPTIVE_COUNTER_IS_ZERO(cache->counter)) {
next_instr--;
_Py_Specialize_BinarySubscr(container, sub, next_instr);
DISPATCH_SAME_OPARG();
}
STAT_INC(BINARY_SUBSCR, deferred);
DECREMENT_ADAPTIVE_COUNTER(cache->counter);
#endif /* ENABLE_SPECIALIZATION */
res = PyObject_GetItem(container, sub);
Py_DECREF(container);
Py_DECREF(sub);
if (res == NULL) goto pop_2_error;
STACK_SHRINK(1);
stack_pointer[-1] = res;
break;
}
case BINARY_SLICE: {
PyObject *stop = stack_pointer[-1];
PyObject *start = stack_pointer[-2];
PyObject *container = stack_pointer[-3];
PyObject *res;
PyObject *slice = _PyBuildSlice_ConsumeRefs(start, stop);
// Can't use ERROR_IF() here, because we haven't
// DECREF'ed container yet, and we still own slice.
if (slice == NULL) {
res = NULL;
}
else {
res = PyObject_GetItem(container, slice);
Py_DECREF(slice);
}
Py_DECREF(container);
if (res == NULL) goto pop_3_error;
STACK_SHRINK(2);
stack_pointer[-1] = res;
break;
}
case STORE_SLICE: {
PyObject *stop = stack_pointer[-1];
PyObject *start = stack_pointer[-2];
PyObject *container = stack_pointer[-3];
PyObject *v = stack_pointer[-4];
PyObject *slice = _PyBuildSlice_ConsumeRefs(start, stop);
int err;
if (slice == NULL) {
err = 1;
}
else {
err = PyObject_SetItem(container, slice, v);
Py_DECREF(slice);
}
Py_DECREF(v);
Py_DECREF(container);
if (err) goto pop_4_error;
STACK_SHRINK(4);
break;
}
case BINARY_SUBSCR_LIST_INT: {
PyObject *sub = stack_pointer[-1];
PyObject *list = stack_pointer[-2];
PyObject *res;
DEOPT_IF(!PyLong_CheckExact(sub), BINARY_SUBSCR);
DEOPT_IF(!PyList_CheckExact(list), BINARY_SUBSCR);
// Deopt unless 0 <= sub < PyList_Size(list)
DEOPT_IF(!_PyLong_IsNonNegativeCompact((PyLongObject *)sub), BINARY_SUBSCR);
Py_ssize_t index = ((PyLongObject*)sub)->long_value.ob_digit[0];
DEOPT_IF(index >= PyList_GET_SIZE(list), BINARY_SUBSCR);
STAT_INC(BINARY_SUBSCR, hit);
res = PyList_GET_ITEM(list, index);
assert(res != NULL);
Py_INCREF(res);
_Py_DECREF_SPECIALIZED(sub, (destructor)PyObject_Free);
Py_DECREF(list);
STACK_SHRINK(1);
stack_pointer[-1] = res;
break;
}
case BINARY_SUBSCR_TUPLE_INT: {
PyObject *sub = stack_pointer[-1];
PyObject *tuple = stack_pointer[-2];
PyObject *res;
DEOPT_IF(!PyLong_CheckExact(sub), BINARY_SUBSCR);
DEOPT_IF(!PyTuple_CheckExact(tuple), BINARY_SUBSCR);
// Deopt unless 0 <= sub < PyTuple_Size(list)
DEOPT_IF(!_PyLong_IsNonNegativeCompact((PyLongObject *)sub), BINARY_SUBSCR);
Py_ssize_t index = ((PyLongObject*)sub)->long_value.ob_digit[0];
DEOPT_IF(index >= PyTuple_GET_SIZE(tuple), BINARY_SUBSCR);
STAT_INC(BINARY_SUBSCR, hit);
res = PyTuple_GET_ITEM(tuple, index);
assert(res != NULL);
Py_INCREF(res);
_Py_DECREF_SPECIALIZED(sub, (destructor)PyObject_Free);
Py_DECREF(tuple);
STACK_SHRINK(1);
stack_pointer[-1] = res;
break;
}
case BINARY_SUBSCR_DICT: {
PyObject *sub = stack_pointer[-1];
PyObject *dict = stack_pointer[-2];
PyObject *res;
DEOPT_IF(!PyDict_CheckExact(dict), BINARY_SUBSCR);
STAT_INC(BINARY_SUBSCR, hit);
res = PyDict_GetItemWithError(dict, sub);
if (res == NULL) {
if (!_PyErr_Occurred(tstate)) {
_PyErr_SetKeyError(sub);
}
Py_DECREF(dict);
Py_DECREF(sub);
if (true) goto pop_2_error;
}
Py_INCREF(res); // Do this before DECREF'ing dict, sub
Py_DECREF(dict);
Py_DECREF(sub);
STACK_SHRINK(1);
stack_pointer[-1] = res;
break;
}
case LIST_APPEND: {
PyObject *v = stack_pointer[-1];
PyObject *list = stack_pointer[-(2 + (oparg-1))];
if (_PyList_AppendTakeRef((PyListObject *)list, v) < 0) goto pop_1_error;
STACK_SHRINK(1);
break;
}
case SET_ADD: {
PyObject *v = stack_pointer[-1];
PyObject *set = stack_pointer[-(2 + (oparg-1))];
int err = PySet_Add(set, v);
Py_DECREF(v);
if (err) goto pop_1_error;
STACK_SHRINK(1);
break;
}
case STORE_SUBSCR: {
static_assert(INLINE_CACHE_ENTRIES_STORE_SUBSCR == 1, "incorrect cache size");
PyObject *sub = stack_pointer[-1];
PyObject *container = stack_pointer[-2];
PyObject *v = stack_pointer[-3];
#if ENABLE_SPECIALIZATION
_PyStoreSubscrCache *cache = (_PyStoreSubscrCache *)next_instr;
if (ADAPTIVE_COUNTER_IS_ZERO(cache->counter)) {
next_instr--;
_Py_Specialize_StoreSubscr(container, sub, next_instr);
DISPATCH_SAME_OPARG();
}
STAT_INC(STORE_SUBSCR, deferred);
DECREMENT_ADAPTIVE_COUNTER(cache->counter);
#endif /* ENABLE_SPECIALIZATION */
/* container[sub] = v */
int err = PyObject_SetItem(container, sub, v);
Py_DECREF(v);
Py_DECREF(container);
Py_DECREF(sub);
if (err) goto pop_3_error;
STACK_SHRINK(3);
break;
}
case STORE_SUBSCR_LIST_INT: {
PyObject *sub = stack_pointer[-1];
PyObject *list = stack_pointer[-2];
PyObject *value = stack_pointer[-3];
DEOPT_IF(!PyLong_CheckExact(sub), STORE_SUBSCR);
DEOPT_IF(!PyList_CheckExact(list), STORE_SUBSCR);
// Ensure nonnegative, zero-or-one-digit ints.
DEOPT_IF(!_PyLong_IsNonNegativeCompact((PyLongObject *)sub), STORE_SUBSCR);
Py_ssize_t index = ((PyLongObject*)sub)->long_value.ob_digit[0];
// Ensure index < len(list)
DEOPT_IF(index >= PyList_GET_SIZE(list), STORE_SUBSCR);
STAT_INC(STORE_SUBSCR, hit);
PyObject *old_value = PyList_GET_ITEM(list, index);
PyList_SET_ITEM(list, index, value);
assert(old_value != NULL);
Py_DECREF(old_value);
_Py_DECREF_SPECIALIZED(sub, (destructor)PyObject_Free);
Py_DECREF(list);
STACK_SHRINK(3);
break;
}
case STORE_SUBSCR_DICT: {
PyObject *sub = stack_pointer[-1];
PyObject *dict = stack_pointer[-2];
PyObject *value = stack_pointer[-3];
DEOPT_IF(!PyDict_CheckExact(dict), STORE_SUBSCR);
STAT_INC(STORE_SUBSCR, hit);
int err = _PyDict_SetItem_Take2((PyDictObject *)dict, sub, value);
Py_DECREF(dict);
if (err) goto pop_3_error;
STACK_SHRINK(3);
break;
}
case DELETE_SUBSCR: {
PyObject *sub = stack_pointer[-1];
PyObject *container = stack_pointer[-2];
/* del container[sub] */
int err = PyObject_DelItem(container, sub);
Py_DECREF(container);
Py_DECREF(sub);
if (err) goto pop_2_error;
STACK_SHRINK(2);
break;
}
case CALL_INTRINSIC_1: {
PyObject *value = stack_pointer[-1];
PyObject *res;
assert(oparg <= MAX_INTRINSIC_1);
res = _PyIntrinsics_UnaryFunctions[oparg](tstate, value);
Py_DECREF(value);
if (res == NULL) goto pop_1_error;
stack_pointer[-1] = res;
break;
}
case CALL_INTRINSIC_2: {
PyObject *value1 = stack_pointer[-1];
PyObject *value2 = stack_pointer[-2];
PyObject *res;
assert(oparg <= MAX_INTRINSIC_2);
res = _PyIntrinsics_BinaryFunctions[oparg](tstate, value2, value1);
Py_DECREF(value2);
Py_DECREF(value1);
if (res == NULL) goto pop_2_error;
STACK_SHRINK(1);
stack_pointer[-1] = res;
break;
}
case GET_AITER: {
PyObject *obj = stack_pointer[-1];
PyObject *iter;
unaryfunc getter = NULL;
PyTypeObject *type = Py_TYPE(obj);
if (type->tp_as_async != NULL) {
getter = type->tp_as_async->am_aiter;
}
if (getter == NULL) {
_PyErr_Format(tstate, PyExc_TypeError,
"'async for' requires an object with "
"__aiter__ method, got %.100s",
type->tp_name);
Py_DECREF(obj);
if (true) goto pop_1_error;
}
iter = (*getter)(obj);
Py_DECREF(obj);
if (iter == NULL) goto pop_1_error;
if (Py_TYPE(iter)->tp_as_async == NULL ||
Py_TYPE(iter)->tp_as_async->am_anext == NULL) {
_PyErr_Format(tstate, PyExc_TypeError,
"'async for' received an object from __aiter__ "
"that does not implement __anext__: %.100s",
Py_TYPE(iter)->tp_name);
Py_DECREF(iter);
if (true) goto pop_1_error;
}
stack_pointer[-1] = iter;
break;
}
case GET_ANEXT: {
PyObject *aiter = stack_pointer[-1];
PyObject *awaitable;
unaryfunc getter = NULL;
PyObject *next_iter = NULL;
PyTypeObject *type = Py_TYPE(aiter);
if (PyAsyncGen_CheckExact(aiter)) {
awaitable = type->tp_as_async->am_anext(aiter);
if (awaitable == NULL) {
goto error;
}
} else {
if (type->tp_as_async != NULL){
getter = type->tp_as_async->am_anext;
}
if (getter != NULL) {
next_iter = (*getter)(aiter);
if (next_iter == NULL) {
goto error;
}
}
else {
_PyErr_Format(tstate, PyExc_TypeError,
"'async for' requires an iterator with "
"__anext__ method, got %.100s",
type->tp_name);
goto error;
}
awaitable = _PyCoro_GetAwaitableIter(next_iter);
if (awaitable == NULL) {
_PyErr_FormatFromCause(
PyExc_TypeError,
"'async for' received an invalid object "
"from __anext__: %.100s",
Py_TYPE(next_iter)->tp_name);
Py_DECREF(next_iter);
goto error;
} else {
Py_DECREF(next_iter);
}
}
STACK_GROW(1);
stack_pointer[-1] = awaitable;
break;
}
case GET_AWAITABLE: {
PyObject *iterable = stack_pointer[-1];
PyObject *iter;
iter = _PyCoro_GetAwaitableIter(iterable);
if (iter == NULL) {
format_awaitable_error(tstate, Py_TYPE(iterable), oparg);
}
Py_DECREF(iterable);
if (iter != NULL && PyCoro_CheckExact(iter)) {
PyObject *yf = _PyGen_yf((PyGenObject*)iter);
if (yf != NULL) {
/* `iter` is a coroutine object that is being
awaited, `yf` is a pointer to the current awaitable
being awaited on. */
Py_DECREF(yf);
Py_CLEAR(iter);
_PyErr_SetString(tstate, PyExc_RuntimeError,
"coroutine is being awaited already");
/* The code below jumps to `error` if `iter` is NULL. */
}
}
if (iter == NULL) goto pop_1_error;
stack_pointer[-1] = iter;
break;
}
case POP_EXCEPT: {
PyObject *exc_value = stack_pointer[-1];
_PyErr_StackItem *exc_info = tstate->exc_info;
Py_XSETREF(exc_info->exc_value, exc_value);
STACK_SHRINK(1);
break;
}
case LOAD_ASSERTION_ERROR: {
PyObject *value;
value = Py_NewRef(PyExc_AssertionError);
STACK_GROW(1);
stack_pointer[-1] = value;
break;
}
case LOAD_BUILD_CLASS: {
PyObject *bc;
if (PyMapping_GetOptionalItem(BUILTINS(), &_Py_ID(__build_class__), &bc) < 0) goto error;
if (bc == NULL) {
_PyErr_SetString(tstate, PyExc_NameError,
"__build_class__ not found");
if (true) goto error;
}
STACK_GROW(1);
stack_pointer[-1] = bc;
break;
}
case STORE_NAME: {
PyObject *v = stack_pointer[-1];
PyObject *name = GETITEM(FRAME_CO_NAMES, oparg);
PyObject *ns = LOCALS();
int err;
if (ns == NULL) {
_PyErr_Format(tstate, PyExc_SystemError,
"no locals found when storing %R", name);
Py_DECREF(v);
if (true) goto pop_1_error;
}
if (PyDict_CheckExact(ns))
err = PyDict_SetItem(ns, name, v);
else
err = PyObject_SetItem(ns, name, v);
Py_DECREF(v);
if (err) goto pop_1_error;
STACK_SHRINK(1);
break;
}
case DELETE_NAME: {
PyObject *name = GETITEM(FRAME_CO_NAMES, oparg);
PyObject *ns = LOCALS();
int err;
if (ns == NULL) {
_PyErr_Format(tstate, PyExc_SystemError,
"no locals when deleting %R", name);
goto error;
}
err = PyObject_DelItem(ns, name);
// Can't use ERROR_IF here.
if (err != 0) {
format_exc_check_arg(tstate, PyExc_NameError,
NAME_ERROR_MSG,
name);
goto error;
}
break;
}
case UNPACK_SEQUENCE: {
static_assert(INLINE_CACHE_ENTRIES_UNPACK_SEQUENCE == 1, "incorrect cache size");
PyObject *seq = stack_pointer[-1];
#if ENABLE_SPECIALIZATION
_PyUnpackSequenceCache *cache = (_PyUnpackSequenceCache *)next_instr;
if (ADAPTIVE_COUNTER_IS_ZERO(cache->counter)) {
next_instr--;
_Py_Specialize_UnpackSequence(seq, next_instr, oparg);
DISPATCH_SAME_OPARG();
}
STAT_INC(UNPACK_SEQUENCE, deferred);
DECREMENT_ADAPTIVE_COUNTER(cache->counter);
#endif /* ENABLE_SPECIALIZATION */
PyObject **top = stack_pointer + oparg - 1;
int res = unpack_iterable(tstate, seq, oparg, -1, top);
Py_DECREF(seq);
if (res == 0) goto pop_1_error;
STACK_SHRINK(1);
STACK_GROW(oparg);
break;
}
case UNPACK_SEQUENCE_TWO_TUPLE: {
PyObject *seq = stack_pointer[-1];
PyObject **values = stack_pointer - (1);
DEOPT_IF(!PyTuple_CheckExact(seq), UNPACK_SEQUENCE);
DEOPT_IF(PyTuple_GET_SIZE(seq) != 2, UNPACK_SEQUENCE);
assert(oparg == 2);
STAT_INC(UNPACK_SEQUENCE, hit);
values[0] = Py_NewRef(PyTuple_GET_ITEM(seq, 1));
values[1] = Py_NewRef(PyTuple_GET_ITEM(seq, 0));
Py_DECREF(seq);
STACK_SHRINK(1);
STACK_GROW(oparg);
break;
}
case UNPACK_SEQUENCE_TUPLE: {
PyObject *seq = stack_pointer[-1];
PyObject **values = stack_pointer - (1);
DEOPT_IF(!PyTuple_CheckExact(seq), UNPACK_SEQUENCE);
DEOPT_IF(PyTuple_GET_SIZE(seq) != oparg, UNPACK_SEQUENCE);
STAT_INC(UNPACK_SEQUENCE, hit);
PyObject **items = _PyTuple_ITEMS(seq);
for (int i = oparg; --i >= 0; ) {
*values++ = Py_NewRef(items[i]);
}
Py_DECREF(seq);
STACK_SHRINK(1);
STACK_GROW(oparg);
break;
}
case UNPACK_SEQUENCE_LIST: {
PyObject *seq = stack_pointer[-1];
PyObject **values = stack_pointer - (1);
DEOPT_IF(!PyList_CheckExact(seq), UNPACK_SEQUENCE);
DEOPT_IF(PyList_GET_SIZE(seq) != oparg, UNPACK_SEQUENCE);
STAT_INC(UNPACK_SEQUENCE, hit);
PyObject **items = _PyList_ITEMS(seq);
for (int i = oparg; --i >= 0; ) {
*values++ = Py_NewRef(items[i]);
}
Py_DECREF(seq);
STACK_SHRINK(1);
STACK_GROW(oparg);
break;
}
case UNPACK_EX: {
PyObject *seq = stack_pointer[-1];
int totalargs = 1 + (oparg & 0xFF) + (oparg >> 8);
PyObject **top = stack_pointer + totalargs - 1;
int res = unpack_iterable(tstate, seq, oparg & 0xFF, oparg >> 8, top);
Py_DECREF(seq);
if (res == 0) goto pop_1_error;
STACK_GROW((oparg & 0xFF) + (oparg >> 8));
break;
}
case STORE_ATTR: {
static_assert(INLINE_CACHE_ENTRIES_STORE_ATTR == 4, "incorrect cache size");
PyObject *owner = stack_pointer[-1];
PyObject *v = stack_pointer[-2];
#if ENABLE_SPECIALIZATION
_PyAttrCache *cache = (_PyAttrCache *)next_instr;
if (ADAPTIVE_COUNTER_IS_ZERO(cache->counter)) {
PyObject *name = GETITEM(FRAME_CO_NAMES, oparg);
next_instr--;
_Py_Specialize_StoreAttr(owner, next_instr, name);
DISPATCH_SAME_OPARG();
}
STAT_INC(STORE_ATTR, deferred);
DECREMENT_ADAPTIVE_COUNTER(cache->counter);
#endif /* ENABLE_SPECIALIZATION */
PyObject *name = GETITEM(FRAME_CO_NAMES, oparg);
int err = PyObject_SetAttr(owner, name, v);
Py_DECREF(v);
Py_DECREF(owner);
if (err) goto pop_2_error;
STACK_SHRINK(2);
break;
}
case DELETE_ATTR: {
PyObject *owner = stack_pointer[-1];
PyObject *name = GETITEM(FRAME_CO_NAMES, oparg);
int err = PyObject_DelAttr(owner, name);
Py_DECREF(owner);
if (err) goto pop_1_error;
STACK_SHRINK(1);
break;
}
case STORE_GLOBAL: {
PyObject *v = stack_pointer[-1];
PyObject *name = GETITEM(FRAME_CO_NAMES, oparg);
int err = PyDict_SetItem(GLOBALS(), name, v);
Py_DECREF(v);
if (err) goto pop_1_error;
STACK_SHRINK(1);
break;
}
case DELETE_GLOBAL: {
PyObject *name = GETITEM(FRAME_CO_NAMES, oparg);
int err;
err = PyDict_DelItem(GLOBALS(), name);
// Can't use ERROR_IF here.
if (err != 0) {
if (_PyErr_ExceptionMatches(tstate, PyExc_KeyError)) {
format_exc_check_arg(tstate, PyExc_NameError,
NAME_ERROR_MSG, name);
}
goto error;
}
break;
}
case _LOAD_LOCALS: {
PyObject *locals;
locals = LOCALS();
if (locals == NULL) {
_PyErr_SetString(tstate, PyExc_SystemError,
"no locals found");
if (true) goto error;
}
Py_INCREF(locals);
STACK_GROW(1);
stack_pointer[-1] = locals;
break;
}
case _LOAD_FROM_DICT_OR_GLOBALS: {
PyObject *mod_or_class_dict = stack_pointer[-1];
PyObject *v;
PyObject *name = GETITEM(FRAME_CO_NAMES, oparg);
if (PyMapping_GetOptionalItem(mod_or_class_dict, name, &v) < 0) {
Py_DECREF(mod_or_class_dict);
goto error;
}
Py_DECREF(mod_or_class_dict);
if (v == NULL) {
v = PyDict_GetItemWithError(GLOBALS(), name);
if (v != NULL) {
Py_INCREF(v);
}
else if (_PyErr_Occurred(tstate)) {
goto error;
}
else {
if (PyMapping_GetOptionalItem(BUILTINS(), name, &v) < 0) {
goto error;
}
if (v == NULL) {
format_exc_check_arg(
tstate, PyExc_NameError,
NAME_ERROR_MSG, name);
goto error;
}
}
}
stack_pointer[-1] = v;
break;
}
case LOAD_GLOBAL: {
static_assert(INLINE_CACHE_ENTRIES_LOAD_GLOBAL == 4, "incorrect cache size");
PyObject *null = NULL;
PyObject *v;
#if ENABLE_SPECIALIZATION
_PyLoadGlobalCache *cache = (_PyLoadGlobalCache *)next_instr;
if (ADAPTIVE_COUNTER_IS_ZERO(cache->counter)) {
PyObject *name = GETITEM(FRAME_CO_NAMES, oparg>>1);
next_instr--;
_Py_Specialize_LoadGlobal(GLOBALS(), BUILTINS(), next_instr, name);
DISPATCH_SAME_OPARG();
}
STAT_INC(LOAD_GLOBAL, deferred);
DECREMENT_ADAPTIVE_COUNTER(cache->counter);
#endif /* ENABLE_SPECIALIZATION */
PyObject *name = GETITEM(FRAME_CO_NAMES, oparg>>1);
if (PyDict_CheckExact(GLOBALS())
&& PyDict_CheckExact(BUILTINS()))
{
v = _PyDict_LoadGlobal((PyDictObject *)GLOBALS(),
(PyDictObject *)BUILTINS(),
name);
if (v == NULL) {
if (!_PyErr_Occurred(tstate)) {
/* _PyDict_LoadGlobal() returns NULL without raising
* an exception if the key doesn't exist */
format_exc_check_arg(tstate, PyExc_NameError,
NAME_ERROR_MSG, name);
}
if (true) goto error;
}
Py_INCREF(v);
}
else {
/* Slow-path if globals or builtins is not a dict */
/* namespace 1: globals */
if (PyMapping_GetOptionalItem(GLOBALS(), name, &v) < 0) goto error;
if (v == NULL) {
/* namespace 2: builtins */
if (PyMapping_GetOptionalItem(BUILTINS(), name, &v) < 0) goto error;
if (v == NULL) {
format_exc_check_arg(
tstate, PyExc_NameError,
NAME_ERROR_MSG, name);
if (true) goto error;
}
}
}
null = NULL;
STACK_GROW(1);
STACK_GROW(((oparg & 1) ? 1 : 0));
stack_pointer[-1] = v;
if (oparg & 1) { stack_pointer[-(1 + ((oparg & 1) ? 1 : 0))] = null; }
break;
}
case _SKIP_CACHE: {
break;
}
case _GUARD_GLOBALS_VERSION: {
uint16_t version = (uint16_t)operand;
PyDictObject *dict = (PyDictObject *)GLOBALS();
DEOPT_IF(!PyDict_CheckExact(dict), LOAD_GLOBAL);
DEOPT_IF(dict->ma_keys->dk_version != version, LOAD_GLOBAL);
assert(DK_IS_UNICODE(dict->ma_keys));
break;
}
case _GUARD_BUILTINS_VERSION: {
uint16_t version = (uint16_t)operand;
PyDictObject *dict = (PyDictObject *)BUILTINS();
DEOPT_IF(!PyDict_CheckExact(dict), LOAD_GLOBAL);
DEOPT_IF(dict->ma_keys->dk_version != version, LOAD_GLOBAL);
assert(DK_IS_UNICODE(dict->ma_keys));
break;
}
case _LOAD_GLOBAL_MODULE: {
PyObject *null = NULL;
PyObject *res;
uint16_t index = (uint16_t)operand;
PyDictObject *dict = (PyDictObject *)GLOBALS();
PyDictUnicodeEntry *entries = DK_UNICODE_ENTRIES(dict->ma_keys);
res = entries[index].me_value;
DEOPT_IF(res == NULL, LOAD_GLOBAL);
Py_INCREF(res);
STAT_INC(LOAD_GLOBAL, hit);
null = NULL;
STACK_GROW(1);
STACK_GROW(((oparg & 1) ? 1 : 0));
stack_pointer[-1] = res;
if (oparg & 1) { stack_pointer[-(1 + ((oparg & 1) ? 1 : 0))] = null; }
break;
}
case _LOAD_GLOBAL_BUILTINS: {
PyObject *null = NULL;
PyObject *res;
uint16_t index = (uint16_t)operand;
PyDictObject *bdict = (PyDictObject *)BUILTINS();
PyDictUnicodeEntry *entries = DK_UNICODE_ENTRIES(bdict->ma_keys);
res = entries[index].me_value;
DEOPT_IF(res == NULL, LOAD_GLOBAL);
Py_INCREF(res);
STAT_INC(LOAD_GLOBAL, hit);
null = NULL;
STACK_GROW(1);
STACK_GROW(((oparg & 1) ? 1 : 0));
stack_pointer[-1] = res;
if (oparg & 1) { stack_pointer[-(1 + ((oparg & 1) ? 1 : 0))] = null; }
break;
}
case DELETE_FAST: {
PyObject *v = GETLOCAL(oparg);
if (v == NULL) goto unbound_local_error;
SETLOCAL(oparg, NULL);
break;
}
case DELETE_DEREF: {
PyObject *cell = GETLOCAL(oparg);
PyObject *oldobj = PyCell_GET(cell);
// Can't use ERROR_IF here.
// Fortunately we don't need its superpower.
if (oldobj == NULL) {
format_exc_unbound(tstate, _PyFrame_GetCode(frame), oparg);
goto error;
}
PyCell_SET(cell, NULL);
Py_DECREF(oldobj);
break;
}
case LOAD_FROM_DICT_OR_DEREF: {
PyObject *class_dict = stack_pointer[-1];
PyObject *value;
PyObject *name;
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) < 0) {
Py_DECREF(class_dict);
goto error;
}
Py_DECREF(class_dict);
if (!value) {
PyObject *cell = GETLOCAL(oparg);
value = PyCell_GET(cell);
if (value == NULL) {
format_exc_unbound(tstate, _PyFrame_GetCode(frame), oparg);
goto error;
}
Py_INCREF(value);
}
stack_pointer[-1] = value;
break;
}
case LOAD_DEREF: {
PyObject *value;
PyObject *cell = GETLOCAL(oparg);
value = PyCell_GET(cell);
if (value == NULL) {
format_exc_unbound(tstate, _PyFrame_GetCode(frame), oparg);
if (true) goto error;
}
Py_INCREF(value);
STACK_GROW(1);
stack_pointer[-1] = value;
break;
}
case STORE_DEREF: {
PyObject *v = stack_pointer[-1];
PyObject *cell = GETLOCAL(oparg);
PyObject *oldobj = PyCell_GET(cell);
PyCell_SET(cell, v);
Py_XDECREF(oldobj);
STACK_SHRINK(1);
break;
}
case COPY_FREE_VARS: {
/* Copy closure variables to free variables */
PyCodeObject *co = _PyFrame_GetCode(frame);
assert(PyFunction_Check(frame->f_funcobj));
PyObject *closure = ((PyFunctionObject *)frame->f_funcobj)->func_closure;
assert(oparg == co->co_nfreevars);
int offset = co->co_nlocalsplus - oparg;
for (int i = 0; i < oparg; ++i) {
PyObject *o = PyTuple_GET_ITEM(closure, i);
frame->localsplus[offset + i] = Py_NewRef(o);
}
break;
}
case BUILD_STRING: {
PyObject **pieces = (stack_pointer - oparg);
PyObject *str;
str = _PyUnicode_JoinArray(&_Py_STR(empty), pieces, oparg);
for (int _i = oparg; --_i >= 0;) {
Py_DECREF(pieces[_i]);
}
if (str == NULL) { STACK_SHRINK(oparg); goto error; }
STACK_SHRINK(oparg);
STACK_GROW(1);
stack_pointer[-1] = str;
break;
}
case BUILD_TUPLE: {
PyObject **values = (stack_pointer - oparg);
PyObject *tup;
tup = _PyTuple_FromArraySteal(values, oparg);
if (tup == NULL) { STACK_SHRINK(oparg); goto error; }
STACK_SHRINK(oparg);
STACK_GROW(1);
stack_pointer[-1] = tup;
break;
}
case BUILD_LIST: {
PyObject **values = (stack_pointer - oparg);
PyObject *list;
list = _PyList_FromArraySteal(values, oparg);
if (list == NULL) { STACK_SHRINK(oparg); goto error; }
STACK_SHRINK(oparg);
STACK_GROW(1);
stack_pointer[-1] = list;
break;
}
case LIST_EXTEND: {
PyObject *iterable = stack_pointer[-1];
PyObject *list = stack_pointer[-(2 + (oparg-1))];
PyObject *none_val = _PyList_Extend((PyListObject *)list, iterable);
if (none_val == NULL) {
if (_PyErr_ExceptionMatches(tstate, PyExc_TypeError) &&
(Py_TYPE(iterable)->tp_iter == NULL && !PySequence_Check(iterable)))
{
_PyErr_Clear(tstate);
_PyErr_Format(tstate, PyExc_TypeError,
"Value after * must be an iterable, not %.200s",
Py_TYPE(iterable)->tp_name);
}
Py_DECREF(iterable);
if (true) goto pop_1_error;
}
assert(Py_IsNone(none_val));
Py_DECREF(iterable);
STACK_SHRINK(1);
break;
}
case SET_UPDATE: {
PyObject *iterable = stack_pointer[-1];
PyObject *set = stack_pointer[-(2 + (oparg-1))];
int err = _PySet_Update(set, iterable);
Py_DECREF(iterable);
if (err < 0) goto pop_1_error;
STACK_SHRINK(1);
break;
}
case BUILD_SET: {
PyObject **values = (stack_pointer - oparg);
PyObject *set;
set = PySet_New(NULL);
if (set == NULL)
goto error;
int err = 0;
for (int i = 0; i < oparg; i++) {
PyObject *item = values[i];
if (err == 0)
err = PySet_Add(set, item);
Py_DECREF(item);
}
if (err != 0) {
Py_DECREF(set);
if (true) { STACK_SHRINK(oparg); goto error; }
}
STACK_SHRINK(oparg);
STACK_GROW(1);
stack_pointer[-1] = set;
break;
}
case BUILD_MAP: {
PyObject **values = (stack_pointer - oparg*2);
PyObject *map;
map = _PyDict_FromItems(
values, 2,
values+1, 2,
oparg);
if (map == NULL)
goto error;
for (int _i = oparg*2; --_i >= 0;) {
Py_DECREF(values[_i]);
}
if (map == NULL) { STACK_SHRINK(oparg*2); goto error; }
STACK_SHRINK(oparg*2);
STACK_GROW(1);
stack_pointer[-1] = map;
break;
}
case SETUP_ANNOTATIONS: {
int err;
PyObject *ann_dict;
if (LOCALS() == NULL) {
_PyErr_Format(tstate, PyExc_SystemError,
"no locals found when setting up annotations");
if (true) goto error;
}
/* check if __annotations__ in locals()... */
if (PyDict_CheckExact(LOCALS())) {
ann_dict = _PyDict_GetItemWithError(LOCALS(),
&_Py_ID(__annotations__));
if (ann_dict == NULL) {
if (_PyErr_Occurred(tstate)) goto error;
/* ...if not, create a new one */
ann_dict = PyDict_New();
if (ann_dict == NULL) goto error;
err = PyDict_SetItem(LOCALS(), &_Py_ID(__annotations__),
ann_dict);
Py_DECREF(ann_dict);
if (err) goto error;
}
}
else {
/* do the same if locals() is not a dict */
if (PyMapping_GetOptionalItem(LOCALS(), &_Py_ID(__annotations__), &ann_dict) < 0) goto error;
if (ann_dict == NULL) {
ann_dict = PyDict_New();
if (ann_dict == NULL) goto error;
err = PyObject_SetItem(LOCALS(), &_Py_ID(__annotations__),
ann_dict);
Py_DECREF(ann_dict);
if (err) goto error;
}
else {
Py_DECREF(ann_dict);
}
}
break;
}
case BUILD_CONST_KEY_MAP: {
PyObject *keys = stack_pointer[-1];
PyObject **values = (stack_pointer - (1 + oparg));
PyObject *map;
if (!PyTuple_CheckExact(keys) ||
PyTuple_GET_SIZE(keys) != (Py_ssize_t)oparg) {
_PyErr_SetString(tstate, PyExc_SystemError,
"bad BUILD_CONST_KEY_MAP keys argument");
goto error; // Pop the keys and values.
}
map = _PyDict_FromItems(
&PyTuple_GET_ITEM(keys, 0), 1,
values, 1, oparg);
for (int _i = oparg; --_i >= 0;) {
Py_DECREF(values[_i]);
}
Py_DECREF(keys);
if (map == NULL) { STACK_SHRINK(oparg); goto pop_1_error; }
STACK_SHRINK(oparg);
stack_pointer[-1] = map;
break;
}
case DICT_UPDATE: {
PyObject *update = stack_pointer[-1];
PyObject *dict = PEEK(oparg + 1); // update is still on the stack
if (PyDict_Update(dict, update) < 0) {
if (_PyErr_ExceptionMatches(tstate, PyExc_AttributeError)) {
_PyErr_Format(tstate, PyExc_TypeError,
"'%.200s' object is not a mapping",
Py_TYPE(update)->tp_name);
}
Py_DECREF(update);
if (true) goto pop_1_error;
}
Py_DECREF(update);
STACK_SHRINK(1);
break;
}
case DICT_MERGE: {
PyObject *update = stack_pointer[-1];
PyObject *dict = PEEK(oparg + 1); // update is still on the stack
if (_PyDict_MergeEx(dict, update, 2) < 0) {
format_kwargs_error(tstate, PEEK(3 + oparg), update);
Py_DECREF(update);
if (true) goto pop_1_error;
}
Py_DECREF(update);
STACK_SHRINK(1);
break;
}
case MAP_ADD: {
PyObject *value = stack_pointer[-1];
PyObject *key = stack_pointer[-2];
PyObject *dict = PEEK(oparg + 2); // key, value are still on the stack
assert(PyDict_CheckExact(dict));
/* dict[key] = value */
// Do not DECREF INPUTS because the function steals the references
if (_PyDict_SetItem_Take2((PyDictObject *)dict, key, value) != 0) goto pop_2_error;
STACK_SHRINK(2);
break;
}
case LOAD_SUPER_ATTR_ATTR: {
PyObject *self = stack_pointer[-1];
PyObject *class = stack_pointer[-2];
PyObject *global_super = stack_pointer[-3];
PyObject *res2 = NULL;
PyObject *res;
assert(!(oparg & 1));
DEOPT_IF(global_super != (PyObject *)&PySuper_Type, LOAD_SUPER_ATTR);
DEOPT_IF(!PyType_Check(class), LOAD_SUPER_ATTR);
STAT_INC(LOAD_SUPER_ATTR, hit);
PyObject *name = GETITEM(FRAME_CO_NAMES, oparg >> 2);
res = _PySuper_Lookup((PyTypeObject *)class, self, name, NULL);
Py_DECREF(global_super);
Py_DECREF(class);
Py_DECREF(self);
if (res == NULL) goto pop_3_error;
STACK_SHRINK(2);
STACK_GROW(((oparg & 1) ? 1 : 0));
stack_pointer[-1] = res;
if (oparg & 1) { stack_pointer[-(1 + ((oparg & 1) ? 1 : 0))] = res2; }
break;
}
case LOAD_SUPER_ATTR_METHOD: {
PyObject *self = stack_pointer[-1];
PyObject *class = stack_pointer[-2];
PyObject *global_super = stack_pointer[-3];
PyObject *res2;
PyObject *res;
assert(oparg & 1);
DEOPT_IF(global_super != (PyObject *)&PySuper_Type, LOAD_SUPER_ATTR);
DEOPT_IF(!PyType_Check(class), LOAD_SUPER_ATTR);
STAT_INC(LOAD_SUPER_ATTR, hit);
PyObject *name = GETITEM(FRAME_CO_NAMES, oparg >> 2);
PyTypeObject *cls = (PyTypeObject *)class;
int method_found = 0;
res2 = _PySuper_Lookup(cls, self, name,
cls->tp_getattro == PyObject_GenericGetAttr ? &method_found : NULL);
Py_DECREF(global_super);
Py_DECREF(class);
if (res2 == NULL) {
Py_DECREF(self);
if (true) goto pop_3_error;
}
if (method_found) {
res = self; // transfer ownership
} else {
Py_DECREF(self);
res = res2;
res2 = NULL;
}
STACK_SHRINK(1);
stack_pointer[-1] = res;
stack_pointer[-2] = res2;
break;
}
case LOAD_ATTR: {
static_assert(INLINE_CACHE_ENTRIES_LOAD_ATTR == 9, "incorrect cache size");
PyObject *owner = stack_pointer[-1];
PyObject *res2 = NULL;
PyObject *res;
#if ENABLE_SPECIALIZATION
_PyAttrCache *cache = (_PyAttrCache *)next_instr;
if (ADAPTIVE_COUNTER_IS_ZERO(cache->counter)) {
PyObject *name = GETITEM(FRAME_CO_NAMES, oparg>>1);
next_instr--;
_Py_Specialize_LoadAttr(owner, next_instr, name);
DISPATCH_SAME_OPARG();
}
STAT_INC(LOAD_ATTR, deferred);
DECREMENT_ADAPTIVE_COUNTER(cache->counter);
#endif /* ENABLE_SPECIALIZATION */
PyObject *name = GETITEM(FRAME_CO_NAMES, oparg >> 1);
if (oparg & 1) {
/* Designed to work in tandem with CALL, pushes two values. */
PyObject* meth = NULL;
if (_PyObject_GetMethod(owner, name, &meth)) {
/* We can bypass temporary bound method object.
meth is unbound method and obj is self.
meth | self | arg1 | ... | argN
*/
assert(meth != NULL); // No errors on this branch
res2 = meth;
res = owner; // Transfer ownership
}
else {
/* meth is not an unbound method (but a regular attr, or
something was returned by a descriptor protocol). Set
the second element of the stack to NULL, to signal
CALL that it's not a method call.
NULL | meth | arg1 | ... | argN
*/
Py_DECREF(owner);
if (meth == NULL) goto pop_1_error;
res2 = NULL;
res = meth;
}
}
else {
/* Classic, pushes one value. */
res = PyObject_GetAttr(owner, name);
Py_DECREF(owner);
if (res == NULL) goto pop_1_error;
}
STACK_GROW(((oparg & 1) ? 1 : 0));
stack_pointer[-1] = res;
if (oparg & 1) { stack_pointer[-(1 + ((oparg & 1) ? 1 : 0))] = res2; }
break;
}
case _GUARD_TYPE_VERSION: {
PyObject *owner = stack_pointer[-1];
uint32_t type_version = (uint32_t)operand;
PyTypeObject *tp = Py_TYPE(owner);
assert(type_version != 0);
DEOPT_IF(tp->tp_version_tag != type_version, LOAD_ATTR);
break;
}
case _CHECK_MANAGED_OBJECT_HAS_VALUES: {
PyObject *owner = stack_pointer[-1];
assert(Py_TYPE(owner)->tp_dictoffset < 0);
assert(Py_TYPE(owner)->tp_flags & Py_TPFLAGS_MANAGED_DICT);
PyDictOrValues dorv = *_PyObject_DictOrValuesPointer(owner);
DEOPT_IF(!_PyDictOrValues_IsValues(dorv), LOAD_ATTR);
break;
}
case _LOAD_ATTR_INSTANCE_VALUE: {
PyObject *owner = stack_pointer[-1];
PyObject *res2 = NULL;
PyObject *res;
uint16_t index = (uint16_t)operand;
PyDictOrValues dorv = *_PyObject_DictOrValuesPointer(owner);
res = _PyDictOrValues_GetValues(dorv)->values[index];
DEOPT_IF(res == NULL, LOAD_ATTR);
STAT_INC(LOAD_ATTR, hit);
Py_INCREF(res);
res2 = NULL;
Py_DECREF(owner);
STACK_GROW(((oparg & 1) ? 1 : 0));
stack_pointer[-1] = res;
if (oparg & 1) { stack_pointer[-(1 + ((oparg & 1) ? 1 : 0))] = res2; }
break;
}
case COMPARE_OP: {
static_assert(INLINE_CACHE_ENTRIES_COMPARE_OP == 1, "incorrect cache size");
PyObject *right = stack_pointer[-1];
PyObject *left = stack_pointer[-2];
PyObject *res;
#if ENABLE_SPECIALIZATION
_PyCompareOpCache *cache = (_PyCompareOpCache *)next_instr;
if (ADAPTIVE_COUNTER_IS_ZERO(cache->counter)) {
next_instr--;
_Py_Specialize_CompareOp(left, right, next_instr, oparg);
DISPATCH_SAME_OPARG();
}
STAT_INC(COMPARE_OP, deferred);
DECREMENT_ADAPTIVE_COUNTER(cache->counter);
#endif /* ENABLE_SPECIALIZATION */
assert((oparg >> 5) <= Py_GE);
res = PyObject_RichCompare(left, right, oparg >> 5);
Py_DECREF(left);
Py_DECREF(right);
if (res == NULL) goto pop_2_error;
if (oparg & 16) {
int res_bool = PyObject_IsTrue(res);
Py_DECREF(res);
if (res_bool < 0) goto pop_2_error;
res = res_bool ? Py_True : Py_False;
}
STACK_SHRINK(1);
stack_pointer[-1] = res;
break;
}
case COMPARE_OP_FLOAT: {
PyObject *right = stack_pointer[-1];
PyObject *left = stack_pointer[-2];
PyObject *res;
DEOPT_IF(!PyFloat_CheckExact(left), COMPARE_OP);
DEOPT_IF(!PyFloat_CheckExact(right), COMPARE_OP);
STAT_INC(COMPARE_OP, hit);
double dleft = PyFloat_AS_DOUBLE(left);
double dright = PyFloat_AS_DOUBLE(right);
// 1 if NaN, 2 if <, 4 if >, 8 if ==; this matches low four bits of the oparg
int sign_ish = COMPARISON_BIT(dleft, dright);
_Py_DECREF_SPECIALIZED(left, _PyFloat_ExactDealloc);
_Py_DECREF_SPECIALIZED(right, _PyFloat_ExactDealloc);
res = (sign_ish & oparg) ? Py_True : Py_False;
// It's always a bool, so we don't care about oparg & 16.
STACK_SHRINK(1);
stack_pointer[-1] = res;
break;
}
case COMPARE_OP_INT: {
PyObject *right = stack_pointer[-1];
PyObject *left = stack_pointer[-2];
PyObject *res;
DEOPT_IF(!PyLong_CheckExact(left), COMPARE_OP);
DEOPT_IF(!PyLong_CheckExact(right), COMPARE_OP);
DEOPT_IF(!_PyLong_IsCompact((PyLongObject *)left), COMPARE_OP);
DEOPT_IF(!_PyLong_IsCompact((PyLongObject *)right), COMPARE_OP);
STAT_INC(COMPARE_OP, hit);
assert(_PyLong_DigitCount((PyLongObject *)left) <= 1 &&
_PyLong_DigitCount((PyLongObject *)right) <= 1);
Py_ssize_t ileft = _PyLong_CompactValue((PyLongObject *)left);
Py_ssize_t iright = _PyLong_CompactValue((PyLongObject *)right);
// 2 if <, 4 if >, 8 if ==; this matches the low 4 bits of the oparg
int sign_ish = COMPARISON_BIT(ileft, iright);
_Py_DECREF_SPECIALIZED(left, (destructor)PyObject_Free);
_Py_DECREF_SPECIALIZED(right, (destructor)PyObject_Free);
res = (sign_ish & oparg) ? Py_True : Py_False;
// It's always a bool, so we don't care about oparg & 16.
STACK_SHRINK(1);
stack_pointer[-1] = res;
break;
}
case COMPARE_OP_STR: {
PyObject *right = stack_pointer[-1];
PyObject *left = stack_pointer[-2];
PyObject *res;
DEOPT_IF(!PyUnicode_CheckExact(left), COMPARE_OP);
DEOPT_IF(!PyUnicode_CheckExact(right), COMPARE_OP);
STAT_INC(COMPARE_OP, hit);
int eq = _PyUnicode_Equal(left, right);
assert((oparg >> 5) == Py_EQ || (oparg >> 5) == Py_NE);
_Py_DECREF_SPECIALIZED(left, _PyUnicode_ExactDealloc);
_Py_DECREF_SPECIALIZED(right, _PyUnicode_ExactDealloc);
assert(eq == 0 || eq == 1);
assert((oparg & 0xf) == COMPARISON_NOT_EQUALS || (oparg & 0xf) == COMPARISON_EQUALS);
assert(COMPARISON_NOT_EQUALS + 1 == COMPARISON_EQUALS);
res = ((COMPARISON_NOT_EQUALS + eq) & oparg) ? Py_True : Py_False;
// It's always a bool, so we don't care about oparg & 16.
STACK_SHRINK(1);
stack_pointer[-1] = res;
break;
}
case IS_OP: {
PyObject *right = stack_pointer[-1];
PyObject *left = stack_pointer[-2];
PyObject *b;
int res = Py_Is(left, right) ^ oparg;
Py_DECREF(left);
Py_DECREF(right);
b = res ? Py_True : Py_False;
STACK_SHRINK(1);
stack_pointer[-1] = b;
break;
}
case CONTAINS_OP: {
PyObject *right = stack_pointer[-1];
PyObject *left = stack_pointer[-2];
PyObject *b;
int res = PySequence_Contains(right, left);
Py_DECREF(left);
Py_DECREF(right);
if (res < 0) goto pop_2_error;
b = (res ^ oparg) ? Py_True : Py_False;
STACK_SHRINK(1);
stack_pointer[-1] = b;
break;
}
case CHECK_EG_MATCH: {
PyObject *match_type = stack_pointer[-1];
PyObject *exc_value = stack_pointer[-2];
PyObject *rest;
PyObject *match;
if (check_except_star_type_valid(tstate, match_type) < 0) {
Py_DECREF(exc_value);
Py_DECREF(match_type);
if (true) goto pop_2_error;
}
match = NULL;
rest = NULL;
int res = exception_group_match(exc_value, match_type,
&match, &rest);
Py_DECREF(exc_value);
Py_DECREF(match_type);
if (res < 0) goto pop_2_error;
assert((match == NULL) == (rest == NULL));
if (match == NULL) goto pop_2_error;
if (!Py_IsNone(match)) {
PyErr_SetHandledException(match);
}
stack_pointer[-1] = match;
stack_pointer[-2] = rest;
break;
}
case CHECK_EXC_MATCH: {
PyObject *right = stack_pointer[-1];
PyObject *left = stack_pointer[-2];
PyObject *b;
assert(PyExceptionInstance_Check(left));
if (check_except_type_valid(tstate, right) < 0) {
Py_DECREF(right);
if (true) goto pop_1_error;
}
int res = PyErr_GivenExceptionMatches(left, right);
Py_DECREF(right);
b = res ? Py_True : Py_False;
stack_pointer[-1] = b;
break;
}
case IS_NONE: {
PyObject *value = stack_pointer[-1];
PyObject *b;
if (Py_IsNone(value)) {
b = Py_True;
}
else {
b = Py_False;
Py_DECREF(value);
}
stack_pointer[-1] = b;
break;
}
case GET_LEN: {
PyObject *obj = stack_pointer[-1];
PyObject *len_o;
// PUSH(len(TOS))
Py_ssize_t len_i = PyObject_Length(obj);
if (len_i < 0) goto error;
len_o = PyLong_FromSsize_t(len_i);
if (len_o == NULL) goto error;
STACK_GROW(1);
stack_pointer[-1] = len_o;
break;
}
case MATCH_CLASS: {
PyObject *names = stack_pointer[-1];
PyObject *type = stack_pointer[-2];
PyObject *subject = stack_pointer[-3];
PyObject *attrs;
// Pop TOS and TOS1. Set TOS to a tuple of attributes on success, or
// None on failure.
assert(PyTuple_CheckExact(names));
attrs = match_class(tstate, subject, type, oparg, names);
Py_DECREF(subject);
Py_DECREF(type);
Py_DECREF(names);
if (attrs) {
assert(PyTuple_CheckExact(attrs)); // Success!
}
else {
if (_PyErr_Occurred(tstate)) goto pop_3_error;
attrs = Py_None; // Failure!
}
STACK_SHRINK(2);
stack_pointer[-1] = attrs;
break;
}
case MATCH_MAPPING: {
PyObject *subject = stack_pointer[-1];
PyObject *res;
int match = Py_TYPE(subject)->tp_flags & Py_TPFLAGS_MAPPING;
res = match ? Py_True : Py_False;
STACK_GROW(1);
stack_pointer[-1] = res;
break;
}
case MATCH_SEQUENCE: {
PyObject *subject = stack_pointer[-1];
PyObject *res;
int match = Py_TYPE(subject)->tp_flags & Py_TPFLAGS_SEQUENCE;
res = match ? Py_True : Py_False;
STACK_GROW(1);
stack_pointer[-1] = res;
break;
}
case MATCH_KEYS: {
PyObject *keys = stack_pointer[-1];
PyObject *subject = stack_pointer[-2];
PyObject *values_or_none;
// On successful match, PUSH(values). Otherwise, PUSH(None).
values_or_none = match_keys(tstate, subject, keys);
if (values_or_none == NULL) goto error;
STACK_GROW(1);
stack_pointer[-1] = values_or_none;
break;
}
case GET_ITER: {
PyObject *iterable = stack_pointer[-1];
PyObject *iter;
/* before: [obj]; after [getiter(obj)] */
iter = PyObject_GetIter(iterable);
Py_DECREF(iterable);
if (iter == NULL) goto pop_1_error;
stack_pointer[-1] = iter;
break;
}
case GET_YIELD_FROM_ITER: {
PyObject *iterable = stack_pointer[-1];
PyObject *iter;
/* before: [obj]; after [getiter(obj)] */
if (PyCoro_CheckExact(iterable)) {
/* `iterable` is a coroutine */
if (!(_PyFrame_GetCode(frame)->co_flags & (CO_COROUTINE | CO_ITERABLE_COROUTINE))) {
/* and it is used in a 'yield from' expression of a
regular generator. */
_PyErr_SetString(tstate, PyExc_TypeError,
"cannot 'yield from' a coroutine object "
"in a non-coroutine generator");
goto error;
}
iter = iterable;
}
else if (PyGen_CheckExact(iterable)) {
iter = iterable;
}
else {
/* `iterable` is not a generator. */
iter = PyObject_GetIter(iterable);
if (iter == NULL) {
goto error;
}
Py_DECREF(iterable);
}
stack_pointer[-1] = iter;
break;
}
case _ITER_CHECK_LIST: {
PyObject *iter = stack_pointer[-1];
DEOPT_IF(Py_TYPE(iter) != &PyListIter_Type, FOR_ITER);
break;
}
case _IS_ITER_EXHAUSTED_LIST: {
PyObject *iter = stack_pointer[-1];
PyObject *exhausted;
_PyListIterObject *it = (_PyListIterObject *)iter;
assert(Py_TYPE(iter) == &PyListIter_Type);
PyListObject *seq = it->it_seq;
if (seq == NULL) {
exhausted = Py_True;
}
else if (it->it_index >= PyList_GET_SIZE(seq)) {
Py_DECREF(seq);
it->it_seq = NULL;
exhausted = Py_True;
}
else {
exhausted = Py_False;
}
STACK_GROW(1);
stack_pointer[-1] = exhausted;
break;
}
case _ITER_NEXT_LIST: {
PyObject *iter = stack_pointer[-1];
PyObject *next;
_PyListIterObject *it = (_PyListIterObject *)iter;
assert(Py_TYPE(iter) == &PyListIter_Type);
PyListObject *seq = it->it_seq;
assert(seq);
assert(it->it_index < PyList_GET_SIZE(seq));
next = Py_NewRef(PyList_GET_ITEM(seq, it->it_index++));
STACK_GROW(1);
stack_pointer[-1] = next;
break;
}
case _ITER_CHECK_TUPLE: {
PyObject *iter = stack_pointer[-1];
DEOPT_IF(Py_TYPE(iter) != &PyTupleIter_Type, FOR_ITER);
break;
}
case _IS_ITER_EXHAUSTED_TUPLE: {
PyObject *iter = stack_pointer[-1];
PyObject *exhausted;
_PyTupleIterObject *it = (_PyTupleIterObject *)iter;
assert(Py_TYPE(iter) == &PyTupleIter_Type);
PyTupleObject *seq = it->it_seq;
if (seq == NULL) {
exhausted = Py_True;
}
else if (it->it_index >= PyTuple_GET_SIZE(seq)) {
Py_DECREF(seq);
it->it_seq = NULL;
exhausted = Py_True;
}
else {
exhausted = Py_False;
}
STACK_GROW(1);
stack_pointer[-1] = exhausted;
break;
}
case _ITER_NEXT_TUPLE: {
PyObject *iter = stack_pointer[-1];
PyObject *next;
_PyTupleIterObject *it = (_PyTupleIterObject *)iter;
assert(Py_TYPE(iter) == &PyTupleIter_Type);
PyTupleObject *seq = it->it_seq;
assert(seq);
assert(it->it_index < PyTuple_GET_SIZE(seq));
next = Py_NewRef(PyTuple_GET_ITEM(seq, it->it_index++));
STACK_GROW(1);
stack_pointer[-1] = next;
break;
}
case _ITER_CHECK_RANGE: {
PyObject *iter = stack_pointer[-1];
_PyRangeIterObject *r = (_PyRangeIterObject *)iter;
DEOPT_IF(Py_TYPE(r) != &PyRangeIter_Type, FOR_ITER);
break;
}
case _IS_ITER_EXHAUSTED_RANGE: {
PyObject *iter = stack_pointer[-1];
PyObject *exhausted;
_PyRangeIterObject *r = (_PyRangeIterObject *)iter;
assert(Py_TYPE(r) == &PyRangeIter_Type);
exhausted = r->len <= 0 ? Py_True : Py_False;
STACK_GROW(1);
stack_pointer[-1] = exhausted;
break;
}
case _ITER_NEXT_RANGE: {
PyObject *iter = stack_pointer[-1];
PyObject *next;
_PyRangeIterObject *r = (_PyRangeIterObject *)iter;
assert(Py_TYPE(r) == &PyRangeIter_Type);
assert(r->len > 0);
long value = r->start;
r->start = value + r->step;
r->len--;
next = PyLong_FromLong(value);
if (next == NULL) goto error;
STACK_GROW(1);
stack_pointer[-1] = next;
break;
}
case WITH_EXCEPT_START: {
PyObject *val = stack_pointer[-1];
PyObject *lasti = stack_pointer[-3];
PyObject *exit_func = stack_pointer[-4];
PyObject *res;
/* At the top of the stack are 4 values:
- val: TOP = exc_info()
- unused: SECOND = previous exception
- lasti: THIRD = lasti of exception in exc_info()
- exit_func: FOURTH = the context.__exit__ bound method
We call FOURTH(type(TOP), TOP, GetTraceback(TOP)).
Then we push the __exit__ return value.
*/
PyObject *exc, *tb;
assert(val && PyExceptionInstance_Check(val));
exc = PyExceptionInstance_Class(val);
tb = PyException_GetTraceback(val);
Py_XDECREF(tb);
assert(PyLong_Check(lasti));
(void)lasti; // Shut up compiler warning if asserts are off
PyObject *stack[4] = {NULL, exc, val, tb};
res = PyObject_Vectorcall(exit_func, stack + 1,
3 | PY_VECTORCALL_ARGUMENTS_OFFSET, NULL);
if (res == NULL) goto error;
STACK_GROW(1);
stack_pointer[-1] = res;
break;
}
case PUSH_EXC_INFO: {
PyObject *new_exc = stack_pointer[-1];
PyObject *prev_exc;
_PyErr_StackItem *exc_info = tstate->exc_info;
if (exc_info->exc_value != NULL) {
prev_exc = exc_info->exc_value;
}
else {
prev_exc = Py_None;
}
assert(PyExceptionInstance_Check(new_exc));
exc_info->exc_value = Py_NewRef(new_exc);
STACK_GROW(1);
stack_pointer[-1] = new_exc;
stack_pointer[-2] = prev_exc;
break;
}
case CALL_NO_KW_TYPE_1: {
PyObject **args = (stack_pointer - oparg);
PyObject *callable = stack_pointer[-(1 + oparg)];
PyObject *null = stack_pointer[-(2 + oparg)];
PyObject *res;
ASSERT_KWNAMES_IS_NULL();
assert(oparg == 1);
DEOPT_IF(null != NULL, CALL);
PyObject *obj = args[0];
DEOPT_IF(callable != (PyObject *)&PyType_Type, CALL);
STAT_INC(CALL, hit);
res = Py_NewRef(Py_TYPE(obj));
Py_DECREF(obj);
Py_DECREF(&PyType_Type); // I.e., callable
STACK_SHRINK(oparg);
STACK_SHRINK(1);
stack_pointer[-1] = res;
break;
}
case CALL_NO_KW_STR_1: {
PyObject **args = (stack_pointer - oparg);
PyObject *callable = stack_pointer[-(1 + oparg)];
PyObject *null = stack_pointer[-(2 + oparg)];
PyObject *res;
ASSERT_KWNAMES_IS_NULL();
assert(oparg == 1);
DEOPT_IF(null != NULL, CALL);
DEOPT_IF(callable != (PyObject *)&PyUnicode_Type, CALL);
STAT_INC(CALL, hit);
PyObject *arg = args[0];
res = PyObject_Str(arg);
Py_DECREF(arg);
Py_DECREF(&PyUnicode_Type); // I.e., callable
if (res == NULL) { STACK_SHRINK(oparg); goto pop_2_error; }
STACK_SHRINK(oparg);
STACK_SHRINK(1);
stack_pointer[-1] = res;
CHECK_EVAL_BREAKER();
break;
}
case CALL_NO_KW_TUPLE_1: {
PyObject **args = (stack_pointer - oparg);
PyObject *callable = stack_pointer[-(1 + oparg)];
PyObject *null = stack_pointer[-(2 + oparg)];
PyObject *res;
ASSERT_KWNAMES_IS_NULL();
assert(oparg == 1);
DEOPT_IF(null != NULL, CALL);
DEOPT_IF(callable != (PyObject *)&PyTuple_Type, CALL);
STAT_INC(CALL, hit);
PyObject *arg = args[0];
res = PySequence_Tuple(arg);
Py_DECREF(arg);
Py_DECREF(&PyTuple_Type); // I.e., tuple
if (res == NULL) { STACK_SHRINK(oparg); goto pop_2_error; }
STACK_SHRINK(oparg);
STACK_SHRINK(1);
stack_pointer[-1] = res;
CHECK_EVAL_BREAKER();
break;
}
case EXIT_INIT_CHECK: {
PyObject *should_be_none = stack_pointer[-1];
assert(STACK_LEVEL() == 2);
if (should_be_none != Py_None) {
PyErr_Format(PyExc_TypeError,
"__init__() should return None, not '%.200s'",
Py_TYPE(should_be_none)->tp_name);
goto error;
}
STACK_SHRINK(1);
break;
}
case CALL_NO_KW_BUILTIN_O: {
PyObject **args = (stack_pointer - oparg);
PyObject *callable = stack_pointer[-(1 + oparg)];
PyObject *method = stack_pointer[-(2 + oparg)];
PyObject *res;
/* Builtin METH_O functions */
ASSERT_KWNAMES_IS_NULL();
int is_meth = method != NULL;
int total_args = oparg;
if (is_meth) {
callable = method;
args--;
total_args++;
}
DEOPT_IF(total_args != 1, CALL);
DEOPT_IF(!PyCFunction_CheckExact(callable), CALL);
DEOPT_IF(PyCFunction_GET_FLAGS(callable) != METH_O, CALL);
STAT_INC(CALL, hit);
PyCFunction cfunc = PyCFunction_GET_FUNCTION(callable);
// This is slower but CPython promises to check all non-vectorcall
// function calls.
if (_Py_EnterRecursiveCallTstate(tstate, " while calling a Python object")) {
goto error;
}
PyObject *arg = args[0];
res = _PyCFunction_TrampolineCall(cfunc, PyCFunction_GET_SELF(callable), arg);
_Py_LeaveRecursiveCallTstate(tstate);
assert((res != NULL) ^ (_PyErr_Occurred(tstate) != NULL));
Py_DECREF(arg);
Py_DECREF(callable);
if (res == NULL) { STACK_SHRINK(oparg); goto pop_2_error; }
STACK_SHRINK(oparg);
STACK_SHRINK(1);
stack_pointer[-1] = res;
CHECK_EVAL_BREAKER();
break;
}
case CALL_NO_KW_BUILTIN_FAST: {
PyObject **args = (stack_pointer - oparg);
PyObject *callable = stack_pointer[-(1 + oparg)];
PyObject *method = stack_pointer[-(2 + oparg)];
PyObject *res;
/* Builtin METH_FASTCALL functions, without keywords */
ASSERT_KWNAMES_IS_NULL();
int is_meth = method != NULL;
int total_args = oparg;
if (is_meth) {
callable = method;
args--;
total_args++;
}
DEOPT_IF(!PyCFunction_CheckExact(callable), CALL);
DEOPT_IF(PyCFunction_GET_FLAGS(callable) != METH_FASTCALL, CALL);
STAT_INC(CALL, hit);
PyCFunction cfunc = PyCFunction_GET_FUNCTION(callable);
/* res = func(self, args, nargs) */
res = ((_PyCFunctionFast)(void(*)(void))cfunc)(
PyCFunction_GET_SELF(callable),
args,
total_args);
assert((res != NULL) ^ (_PyErr_Occurred(tstate) != NULL));
/* Free the arguments. */
for (int i = 0; i < total_args; i++) {
Py_DECREF(args[i]);
}
Py_DECREF(callable);
if (res == NULL) { STACK_SHRINK(oparg); goto pop_2_error; }
/* Not deopting because this doesn't mean our optimization was
wrong. `res` can be NULL for valid reasons. Eg. getattr(x,
'invalid'). In those cases an exception is set, so we must
handle it.
*/
STACK_SHRINK(oparg);
STACK_SHRINK(1);
stack_pointer[-1] = res;
CHECK_EVAL_BREAKER();
break;
}
case CALL_NO_KW_LEN: {
PyObject **args = (stack_pointer - oparg);
PyObject *callable = stack_pointer[-(1 + oparg)];
PyObject *method = stack_pointer[-(2 + oparg)];
PyObject *res;
ASSERT_KWNAMES_IS_NULL();
/* len(o) */
int is_meth = method != NULL;
int total_args = oparg;
if (is_meth) {
callable = method;
args--;
total_args++;
}
DEOPT_IF(total_args != 1, CALL);
PyInterpreterState *interp = _PyInterpreterState_GET();
DEOPT_IF(callable != interp->callable_cache.len, CALL);
STAT_INC(CALL, hit);
PyObject *arg = args[0];
Py_ssize_t len_i = PyObject_Length(arg);
if (len_i < 0) {
goto error;
}
res = PyLong_FromSsize_t(len_i);
assert((res != NULL) ^ (_PyErr_Occurred(tstate) != NULL));
Py_DECREF(callable);
Py_DECREF(arg);
if (res == NULL) { STACK_SHRINK(oparg); goto pop_2_error; }
STACK_SHRINK(oparg);
STACK_SHRINK(1);
stack_pointer[-1] = res;
break;
}
case CALL_NO_KW_ISINSTANCE: {
PyObject **args = (stack_pointer - oparg);
PyObject *callable = stack_pointer[-(1 + oparg)];
PyObject *method = stack_pointer[-(2 + oparg)];
PyObject *res;
ASSERT_KWNAMES_IS_NULL();
/* isinstance(o, o2) */
int is_meth = method != NULL;
int total_args = oparg;
if (is_meth) {
callable = method;
args--;
total_args++;
}
DEOPT_IF(total_args != 2, CALL);
PyInterpreterState *interp = _PyInterpreterState_GET();
DEOPT_IF(callable != interp->callable_cache.isinstance, CALL);
STAT_INC(CALL, hit);
PyObject *cls = args[1];
PyObject *inst = args[0];
int retval = PyObject_IsInstance(inst, cls);
if (retval < 0) {
goto error;
}
res = PyBool_FromLong(retval);
assert((res != NULL) ^ (_PyErr_Occurred(tstate) != NULL));
Py_DECREF(inst);
Py_DECREF(cls);
Py_DECREF(callable);
if (res == NULL) { STACK_SHRINK(oparg); goto pop_2_error; }
STACK_SHRINK(oparg);
STACK_SHRINK(1);
stack_pointer[-1] = res;
break;
}
case CALL_NO_KW_METHOD_DESCRIPTOR_O: {
PyObject **args = (stack_pointer - oparg);
PyObject *method = stack_pointer[-(2 + oparg)];
PyObject *res;
ASSERT_KWNAMES_IS_NULL();
int is_meth = method != NULL;
int total_args = oparg;
if (is_meth) {
args--;
total_args++;
}
PyMethodDescrObject *callable =
(PyMethodDescrObject *)PEEK(total_args + 1);
DEOPT_IF(total_args != 2, CALL);
DEOPT_IF(!Py_IS_TYPE(callable, &PyMethodDescr_Type), CALL);
PyMethodDef *meth = callable->d_method;
DEOPT_IF(meth->ml_flags != METH_O, CALL);
PyObject *arg = args[1];
PyObject *self = args[0];
DEOPT_IF(!Py_IS_TYPE(self, callable->d_common.d_type), CALL);
STAT_INC(CALL, hit);
PyCFunction cfunc = meth->ml_meth;
// This is slower but CPython promises to check all non-vectorcall
// function calls.
if (_Py_EnterRecursiveCallTstate(tstate, " while calling a Python object")) {
goto error;
}
res = _PyCFunction_TrampolineCall(cfunc, self, arg);
_Py_LeaveRecursiveCallTstate(tstate);
assert((res != NULL) ^ (_PyErr_Occurred(tstate) != NULL));
Py_DECREF(self);
Py_DECREF(arg);
Py_DECREF(callable);
if (res == NULL) { STACK_SHRINK(oparg); goto pop_2_error; }
STACK_SHRINK(oparg);
STACK_SHRINK(1);
stack_pointer[-1] = res;
CHECK_EVAL_BREAKER();
break;
}
case CALL_NO_KW_METHOD_DESCRIPTOR_NOARGS: {
PyObject **args = (stack_pointer - oparg);
PyObject *method = stack_pointer[-(2 + oparg)];
PyObject *res;
ASSERT_KWNAMES_IS_NULL();
assert(oparg == 0 || oparg == 1);
int is_meth = method != NULL;
int total_args = oparg;
if (is_meth) {
args--;
total_args++;
}
DEOPT_IF(total_args != 1, CALL);
PyMethodDescrObject *callable = (PyMethodDescrObject *)SECOND();
DEOPT_IF(!Py_IS_TYPE(callable, &PyMethodDescr_Type), CALL);
PyMethodDef *meth = callable->d_method;
PyObject *self = args[0];
DEOPT_IF(!Py_IS_TYPE(self, callable->d_common.d_type), CALL);
DEOPT_IF(meth->ml_flags != METH_NOARGS, CALL);
STAT_INC(CALL, hit);
PyCFunction cfunc = meth->ml_meth;
// This is slower but CPython promises to check all non-vectorcall
// function calls.
if (_Py_EnterRecursiveCallTstate(tstate, " while calling a Python object")) {
goto error;
}
res = _PyCFunction_TrampolineCall(cfunc, self, NULL);
_Py_LeaveRecursiveCallTstate(tstate);
assert((res != NULL) ^ (_PyErr_Occurred(tstate) != NULL));
Py_DECREF(self);
Py_DECREF(callable);
if (res == NULL) { STACK_SHRINK(oparg); goto pop_2_error; }
STACK_SHRINK(oparg);
STACK_SHRINK(1);
stack_pointer[-1] = res;
CHECK_EVAL_BREAKER();
break;
}
case CALL_NO_KW_METHOD_DESCRIPTOR_FAST: {
PyObject **args = (stack_pointer - oparg);
PyObject *method = stack_pointer[-(2 + oparg)];
PyObject *res;
ASSERT_KWNAMES_IS_NULL();
int is_meth = method != NULL;
int total_args = oparg;
if (is_meth) {
args--;
total_args++;
}
PyMethodDescrObject *callable =
(PyMethodDescrObject *)PEEK(total_args + 1);
/* Builtin METH_FASTCALL methods, without keywords */
DEOPT_IF(!Py_IS_TYPE(callable, &PyMethodDescr_Type), CALL);
PyMethodDef *meth = callable->d_method;
DEOPT_IF(meth->ml_flags != METH_FASTCALL, CALL);
PyObject *self = args[0];
DEOPT_IF(!Py_IS_TYPE(self, callable->d_common.d_type), CALL);
STAT_INC(CALL, hit);
_PyCFunctionFast cfunc =
(_PyCFunctionFast)(void(*)(void))meth->ml_meth;
int nargs = total_args - 1;
res = cfunc(self, args + 1, nargs);
assert((res != NULL) ^ (_PyErr_Occurred(tstate) != NULL));
/* Clear the stack of the arguments. */
for (int i = 0; i < total_args; i++) {
Py_DECREF(args[i]);
}
Py_DECREF(callable);
if (res == NULL) { STACK_SHRINK(oparg); goto pop_2_error; }
STACK_SHRINK(oparg);
STACK_SHRINK(1);
stack_pointer[-1] = res;
CHECK_EVAL_BREAKER();
break;
}
case MAKE_FUNCTION: {
PyObject *codeobj = stack_pointer[-1];
PyObject *func;
PyFunctionObject *func_obj = (PyFunctionObject *)
PyFunction_New(codeobj, GLOBALS());
Py_DECREF(codeobj);
if (func_obj == NULL) {
goto error;
}
func_obj->func_version = ((PyCodeObject *)codeobj)->co_version;
func = (PyObject *)func_obj;
stack_pointer[-1] = func;
break;
}
case SET_FUNCTION_ATTRIBUTE: {
PyObject *func = stack_pointer[-1];
PyObject *attr = stack_pointer[-2];
assert(PyFunction_Check(func));
PyFunctionObject *func_obj = (PyFunctionObject *)func;
switch(oparg) {
case MAKE_FUNCTION_CLOSURE:
assert(func_obj->func_closure == NULL);
func_obj->func_closure = attr;
break;
case MAKE_FUNCTION_ANNOTATIONS:
assert(func_obj->func_annotations == NULL);
func_obj->func_annotations = attr;
break;
case MAKE_FUNCTION_KWDEFAULTS:
assert(PyDict_CheckExact(attr));
assert(func_obj->func_kwdefaults == NULL);
func_obj->func_kwdefaults = attr;
break;
case MAKE_FUNCTION_DEFAULTS:
assert(PyTuple_CheckExact(attr));
assert(func_obj->func_defaults == NULL);
func_obj->func_defaults = attr;
break;
default:
Py_UNREACHABLE();
}
STACK_SHRINK(1);
stack_pointer[-1] = func;
break;
}
case BUILD_SLICE: {
PyObject *step = (oparg == 3) ? stack_pointer[-(((oparg == 3) ? 1 : 0))] : NULL;
PyObject *stop = stack_pointer[-(1 + ((oparg == 3) ? 1 : 0))];
PyObject *start = stack_pointer[-(2 + ((oparg == 3) ? 1 : 0))];
PyObject *slice;
slice = PySlice_New(start, stop, step);
Py_DECREF(start);
Py_DECREF(stop);
Py_XDECREF(step);
if (slice == NULL) { STACK_SHRINK(((oparg == 3) ? 1 : 0)); goto pop_2_error; }
STACK_SHRINK(((oparg == 3) ? 1 : 0));
STACK_SHRINK(1);
stack_pointer[-1] = slice;
break;
}
case CONVERT_VALUE: {
PyObject *value = stack_pointer[-1];
PyObject *result;
convertion_func_ptr conv_fn;
assert(oparg >= FVC_STR && oparg <= FVC_ASCII);
conv_fn = CONVERSION_FUNCTIONS[oparg];
result = conv_fn(value);
Py_DECREF(value);
if (result == NULL) goto pop_1_error;
stack_pointer[-1] = result;
break;
}
case FORMAT_SIMPLE: {
PyObject *value = stack_pointer[-1];
PyObject *res;
/* If value is a unicode object, then we know the result
* of format(value) is value itself. */
if (!PyUnicode_CheckExact(value)) {
res = PyObject_Format(value, NULL);
Py_DECREF(value);
if (res == NULL) goto pop_1_error;
}
else {
res = value;
}
stack_pointer[-1] = res;
break;
}
case FORMAT_WITH_SPEC: {
PyObject *fmt_spec = stack_pointer[-1];
PyObject *value = stack_pointer[-2];
PyObject *res;
res = PyObject_Format(value, fmt_spec);
Py_DECREF(value);
Py_DECREF(fmt_spec);
if (res == NULL) goto pop_2_error;
STACK_SHRINK(1);
stack_pointer[-1] = res;
break;
}
case COPY: {
PyObject *bottom = stack_pointer[-(1 + (oparg-1))];
PyObject *top;
assert(oparg > 0);
top = Py_NewRef(bottom);
STACK_GROW(1);
stack_pointer[-1] = top;
break;
}
case BINARY_OP: {
static_assert(INLINE_CACHE_ENTRIES_BINARY_OP == 1, "incorrect cache size");
PyObject *rhs = stack_pointer[-1];
PyObject *lhs = stack_pointer[-2];
PyObject *res;
#if ENABLE_SPECIALIZATION
_PyBinaryOpCache *cache = (_PyBinaryOpCache *)next_instr;
if (ADAPTIVE_COUNTER_IS_ZERO(cache->counter)) {
next_instr--;
_Py_Specialize_BinaryOp(lhs, rhs, next_instr, oparg, LOCALS_ARRAY);
DISPATCH_SAME_OPARG();
}
STAT_INC(BINARY_OP, deferred);
DECREMENT_ADAPTIVE_COUNTER(cache->counter);
#endif /* ENABLE_SPECIALIZATION */
assert(0 <= oparg);
assert((unsigned)oparg < Py_ARRAY_LENGTH(binary_ops));
assert(binary_ops[oparg]);
res = binary_ops[oparg](lhs, rhs);
Py_DECREF(lhs);
Py_DECREF(rhs);
if (res == NULL) goto pop_2_error;
STACK_SHRINK(1);
stack_pointer[-1] = res;
break;
}
case SWAP: {
PyObject *top = stack_pointer[-1];
PyObject *bottom = stack_pointer[-(2 + (oparg-2))];
assert(oparg >= 2);
stack_pointer[-1] = bottom;
stack_pointer[-(2 + (oparg-2))] = top;
break;
}
case _POP_JUMP_IF_FALSE: {
PyObject *flag = stack_pointer[-1];
if (Py_IsFalse(flag)) {
pc = oparg;
}
STACK_SHRINK(1);
break;
}
case _POP_JUMP_IF_TRUE: {
PyObject *flag = stack_pointer[-1];
if (Py_IsTrue(flag)) {
pc = oparg;
}
STACK_SHRINK(1);
break;
}
case JUMP_TO_TOP: {
pc = 0;
CHECK_EVAL_BREAKER();
break;
}
case SAVE_IP: {
frame->prev_instr = ip_offset + oparg;
break;
}
case EXIT_TRACE: {
frame->prev_instr--; // Back up to just before destination
_PyFrame_SetStackPointer(frame, stack_pointer);
Py_DECREF(self);
return frame;
break;
}
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