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cpython/Python/executor_cases.c.h

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// This file is generated by Tools/cases_generator/tier2_generator.py
// from:
// Python/bytecodes.c
// Do not edit!
#ifdef TIER_ONE
#error "This file is for Tier 2 only"
#endif
#define TIER_TWO 2
case _NOP: {
break;
}
case _RESUME_CHECK: {
#if defined(__EMSCRIPTEN__)
if (_Py_emscripten_signal_clock == 0) goto deoptimize;
_Py_emscripten_signal_clock -= Py_EMSCRIPTEN_SIGNAL_HANDLING;
#endif
uintptr_t eval_breaker = _Py_atomic_load_uintptr_relaxed(&tstate->interp->ceval.eval_breaker);
uintptr_t version = _PyFrame_GetCode(frame)->_co_instrumentation_version;
assert((version & _PY_EVAL_EVENTS_MASK) == 0);
if (eval_breaker != version) goto deoptimize;
break;
}
/* _INSTRUMENTED_RESUME is not a viable micro-op for tier 2 */
case _LOAD_FAST_CHECK: {
PyObject *value;
oparg = CURRENT_OPARG();
value = GETLOCAL(oparg);
if (value == NULL) goto unbound_local_error_tier_two;
Py_INCREF(value);
stack_pointer[0] = value;
stack_pointer += 1;
break;
}
case _LOAD_FAST: {
PyObject *value;
oparg = CURRENT_OPARG();
value = GETLOCAL(oparg);
assert(value != NULL);
Py_INCREF(value);
stack_pointer[0] = value;
stack_pointer += 1;
break;
}
case _LOAD_FAST_AND_CLEAR: {
PyObject *value;
oparg = CURRENT_OPARG();
value = GETLOCAL(oparg);
// do not use SETLOCAL here, it decrefs the old value
GETLOCAL(oparg) = NULL;
stack_pointer[0] = value;
stack_pointer += 1;
break;
}
case _LOAD_CONST: {
PyObject *value;
oparg = CURRENT_OPARG();
value = GETITEM(FRAME_CO_CONSTS, oparg);
Py_INCREF(value);
stack_pointer[0] = value;
stack_pointer += 1;
break;
}
case _STORE_FAST: {
PyObject *value;
oparg = CURRENT_OPARG();
value = stack_pointer[-1];
SETLOCAL(oparg, value);
stack_pointer += -1;
break;
}
case _POP_TOP: {
PyObject *value;
value = stack_pointer[-1];
Py_DECREF(value);
stack_pointer += -1;
break;
}
case _PUSH_NULL: {
PyObject *res;
res = NULL;
stack_pointer[0] = res;
stack_pointer += 1;
break;
}
case _END_SEND: {
PyObject *value;
PyObject *receiver;
value = stack_pointer[-1];
receiver = stack_pointer[-2];
Py_DECREF(receiver);
stack_pointer[-2] = value;
stack_pointer += -1;
break;
}
case _UNARY_NEGATIVE: {
PyObject *value;
PyObject *res;
value = stack_pointer[-1];
res = PyNumber_Negative(value);
Py_DECREF(value);
if (res == NULL) goto pop_1_error_tier_two;
stack_pointer[-1] = res;
break;
}
case _UNARY_NOT: {
PyObject *value;
PyObject *res;
value = stack_pointer[-1];
assert(PyBool_Check(value));
res = Py_IsFalse(value) ? Py_True : Py_False;
stack_pointer[-1] = res;
break;
}
case _TO_BOOL: {
PyObject *value;
PyObject *res;
value = stack_pointer[-1];
int err = PyObject_IsTrue(value);
Py_DECREF(value);
if (err < 0) goto pop_1_error_tier_two;
res = err ? Py_True : Py_False;
stack_pointer[-1] = res;
break;
}
case _TO_BOOL_BOOL: {
PyObject *value;
value = stack_pointer[-1];
if (!PyBool_Check(value)) goto deoptimize;
STAT_INC(TO_BOOL, hit);
break;
}
case _TO_BOOL_INT: {
PyObject *value;
PyObject *res;
value = stack_pointer[-1];
if (!PyLong_CheckExact(value)) goto deoptimize;
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;
PyObject *res;
value = stack_pointer[-1];
if (!PyList_CheckExact(value)) goto deoptimize;
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;
PyObject *res;
value = stack_pointer[-1];
// This one is a bit weird, because we expect *some* failures:
if (!Py_IsNone(value)) goto deoptimize;
STAT_INC(TO_BOOL, hit);
res = Py_False;
stack_pointer[-1] = res;
break;
}
case _TO_BOOL_STR: {
PyObject *value;
PyObject *res;
value = stack_pointer[-1];
if (!PyUnicode_CheckExact(value)) goto deoptimize;
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;
PyObject *res;
value = stack_pointer[-1];
uint32_t version = (uint32_t)CURRENT_OPERAND();
// This one is a bit weird, because we expect *some* failures:
assert(version);
if (Py_TYPE(value)->tp_version_tag != version) goto deoptimize;
STAT_INC(TO_BOOL, hit);
Py_DECREF(value);
res = Py_True;
stack_pointer[-1] = res;
break;
}
case _UNARY_INVERT: {
PyObject *value;
PyObject *res;
value = stack_pointer[-1];
res = PyNumber_Invert(value);
Py_DECREF(value);
if (res == NULL) goto pop_1_error_tier_two;
stack_pointer[-1] = res;
break;
}
case _GUARD_BOTH_INT: {
PyObject *right;
PyObject *left;
right = stack_pointer[-1];
left = stack_pointer[-2];
if (!PyLong_CheckExact(left)) goto deoptimize;
if (!PyLong_CheckExact(right)) goto deoptimize;
break;
}
case _BINARY_OP_MULTIPLY_INT: {
PyObject *right;
PyObject *left;
PyObject *res;
right = stack_pointer[-1];
left = stack_pointer[-2];
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_tier_two;
stack_pointer[-2] = res;
stack_pointer += -1;
break;
}
case _BINARY_OP_ADD_INT: {
PyObject *right;
PyObject *left;
PyObject *res;
right = stack_pointer[-1];
left = stack_pointer[-2];
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_tier_two;
stack_pointer[-2] = res;
stack_pointer += -1;
break;
}
case _BINARY_OP_SUBTRACT_INT: {
PyObject *right;
PyObject *left;
PyObject *res;
right = stack_pointer[-1];
left = stack_pointer[-2];
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_tier_two;
stack_pointer[-2] = res;
stack_pointer += -1;
break;
}
case _GUARD_BOTH_FLOAT: {
PyObject *right;
PyObject *left;
right = stack_pointer[-1];
left = stack_pointer[-2];
if (!PyFloat_CheckExact(left)) goto deoptimize;
if (!PyFloat_CheckExact(right)) goto deoptimize;
break;
}
case _BINARY_OP_MULTIPLY_FLOAT: {
PyObject *right;
PyObject *left;
PyObject *res;
right = stack_pointer[-1];
left = stack_pointer[-2];
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_pointer[-2] = res;
stack_pointer += -1;
break;
}
case _BINARY_OP_ADD_FLOAT: {
PyObject *right;
PyObject *left;
PyObject *res;
right = stack_pointer[-1];
left = stack_pointer[-2];
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_pointer[-2] = res;
stack_pointer += -1;
break;
}
case _BINARY_OP_SUBTRACT_FLOAT: {
PyObject *right;
PyObject *left;
PyObject *res;
right = stack_pointer[-1];
left = stack_pointer[-2];
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_pointer[-2] = res;
stack_pointer += -1;
break;
}
case _GUARD_BOTH_UNICODE: {
PyObject *right;
PyObject *left;
right = stack_pointer[-1];
left = stack_pointer[-2];
if (!PyUnicode_CheckExact(left)) goto deoptimize;
if (!PyUnicode_CheckExact(right)) goto deoptimize;
break;
}
case _BINARY_OP_ADD_UNICODE: {
PyObject *right;
PyObject *left;
PyObject *res;
right = stack_pointer[-1];
left = stack_pointer[-2];
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_tier_two;
stack_pointer[-2] = res;
stack_pointer += -1;
break;
}
case _BINARY_OP_INPLACE_ADD_UNICODE: {
PyObject *right;
PyObject *left;
right = stack_pointer[-1];
left = stack_pointer[-2];
assert(next_instr->op.code == STORE_FAST);
PyObject **target_local = &GETLOCAL(next_instr->op.arg);
if (*target_local != left) goto deoptimize;
STAT_INC(BINARY_OP, hit);
/* Handle `left = left + right` or `left += right` for str.
*
* When possible, extend `left` in place rather than
* allocating a new PyUnicodeObject. This attempts to avoid
* quadratic behavior when one neglects to use str.join().
*
* If `left` has only two references remaining (one from
* the stack, one in the locals), DECREFing `left` leaves
* only the locals reference, so PyUnicode_Append knows
* that the string is safe to mutate.
*/
assert(Py_REFCNT(left) >= 2);
_Py_DECREF_NO_DEALLOC(left);
PyUnicode_Append(target_local, right);
_Py_DECREF_SPECIALIZED(right, _PyUnicode_ExactDealloc);
if (*target_local == NULL) goto pop_2_error_tier_two;
// The STORE_FAST is already done.
assert(next_instr->op.code == STORE_FAST);
SKIP_OVER(1);
stack_pointer += -2;
break;
}
case _BINARY_SUBSCR: {
PyObject *sub;
PyObject *container;
PyObject *res;
sub = stack_pointer[-1];
container = stack_pointer[-2];
res = PyObject_GetItem(container, sub);
Py_DECREF(container);
Py_DECREF(sub);
if (res == NULL) goto pop_2_error_tier_two;
stack_pointer[-2] = res;
stack_pointer += -1;
break;
}
case _BINARY_SLICE: {
PyObject *stop;
PyObject *start;
PyObject *container;
PyObject *res;
stop = stack_pointer[-1];
start = stack_pointer[-2];
container = stack_pointer[-3];
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_tier_two;
stack_pointer[-3] = res;
stack_pointer += -2;
break;
}
case _STORE_SLICE: {
PyObject *stop;
PyObject *start;
PyObject *container;
PyObject *v;
stop = stack_pointer[-1];
start = stack_pointer[-2];
container = stack_pointer[-3];
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_tier_two;
stack_pointer += -4;
break;
}
case _BINARY_SUBSCR_LIST_INT: {
PyObject *sub;
PyObject *list;
PyObject *res;
sub = stack_pointer[-1];
list = stack_pointer[-2];
if (!PyLong_CheckExact(sub)) goto deoptimize;
if (!PyList_CheckExact(list)) goto deoptimize;
// Deopt unless 0 <= sub < PyList_Size(list)
if (!_PyLong_IsNonNegativeCompact((PyLongObject *)sub)) goto deoptimize;
Py_ssize_t index = ((PyLongObject*)sub)->long_value.ob_digit[0];
if (index >= PyList_GET_SIZE(list)) goto deoptimize;
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_pointer[-2] = res;
stack_pointer += -1;
break;
}
case _BINARY_SUBSCR_STR_INT: {
PyObject *sub;
PyObject *str;
PyObject *res;
sub = stack_pointer[-1];
str = stack_pointer[-2];
if (!PyLong_CheckExact(sub)) goto deoptimize;
if (!PyUnicode_CheckExact(str)) goto deoptimize;
if (!_PyLong_IsNonNegativeCompact((PyLongObject *)sub)) goto deoptimize;
Py_ssize_t index = ((PyLongObject*)sub)->long_value.ob_digit[0];
if (PyUnicode_GET_LENGTH(str) <= index) goto deoptimize;
// Specialize for reading an ASCII character from any string:
Py_UCS4 c = PyUnicode_READ_CHAR(str, index);
if (Py_ARRAY_LENGTH(_Py_SINGLETON(strings).ascii) <= c) goto deoptimize;
STAT_INC(BINARY_SUBSCR, hit);
res = (PyObject*)&_Py_SINGLETON(strings).ascii[c];
_Py_DECREF_SPECIALIZED(sub, (destructor)PyObject_Free);
Py_DECREF(str);
stack_pointer[-2] = res;
stack_pointer += -1;
break;
}
case _BINARY_SUBSCR_TUPLE_INT: {
PyObject *sub;
PyObject *tuple;
PyObject *res;
sub = stack_pointer[-1];
tuple = stack_pointer[-2];
if (!PyLong_CheckExact(sub)) goto deoptimize;
if (!PyTuple_CheckExact(tuple)) goto deoptimize;
// Deopt unless 0 <= sub < PyTuple_Size(list)
if (!_PyLong_IsNonNegativeCompact((PyLongObject *)sub)) goto deoptimize;
Py_ssize_t index = ((PyLongObject*)sub)->long_value.ob_digit[0];
if (index >= PyTuple_GET_SIZE(tuple)) goto deoptimize;
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_pointer[-2] = res;
stack_pointer += -1;
break;
}
case _BINARY_SUBSCR_DICT: {
PyObject *sub;
PyObject *dict;
PyObject *res;
sub = stack_pointer[-1];
dict = stack_pointer[-2];
if (!PyDict_CheckExact(dict)) goto deoptimize;
STAT_INC(BINARY_SUBSCR, hit);
int rc = PyDict_GetItemRef(dict, sub, &res);
if (rc == 0) {
_PyErr_SetKeyError(sub);
}
Py_DECREF(dict);
Py_DECREF(sub);
if (rc <= 0) goto pop_2_error_tier_two;
// not found or error
stack_pointer[-2] = res;
stack_pointer += -1;
break;
}
/* _BINARY_SUBSCR_GETITEM is not a viable micro-op for tier 2 */
case _LIST_APPEND: {
PyObject *v;
PyObject *list;
oparg = CURRENT_OPARG();
v = stack_pointer[-1];
list = stack_pointer[-2 - (oparg-1)];
if (_PyList_AppendTakeRef((PyListObject *)list, v) < 0) goto pop_1_error_tier_two;
stack_pointer += -1;
break;
}
case _SET_ADD: {
PyObject *v;
PyObject *set;
oparg = CURRENT_OPARG();
v = stack_pointer[-1];
set = stack_pointer[-2 - (oparg-1)];
int err = PySet_Add(set, v);
Py_DECREF(v);
if (err) goto pop_1_error_tier_two;
stack_pointer += -1;
break;
}
case _STORE_SUBSCR: {
PyObject *sub;
PyObject *container;
PyObject *v;
sub = stack_pointer[-1];
container = stack_pointer[-2];
v = stack_pointer[-3];
/* 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_tier_two;
stack_pointer += -3;
break;
}
case _STORE_SUBSCR_LIST_INT: {
PyObject *sub;
PyObject *list;
PyObject *value;
sub = stack_pointer[-1];
list = stack_pointer[-2];
value = stack_pointer[-3];
if (!PyLong_CheckExact(sub)) goto deoptimize;
if (!PyList_CheckExact(list)) goto deoptimize;
// Ensure nonnegative, zero-or-one-digit ints.
if (!_PyLong_IsNonNegativeCompact((PyLongObject *)sub)) goto deoptimize;
Py_ssize_t index = ((PyLongObject*)sub)->long_value.ob_digit[0];
// Ensure index < len(list)
if (index >= PyList_GET_SIZE(list)) goto deoptimize;
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_pointer += -3;
break;
}
case _STORE_SUBSCR_DICT: {
PyObject *sub;
PyObject *dict;
PyObject *value;
sub = stack_pointer[-1];
dict = stack_pointer[-2];
value = stack_pointer[-3];
if (!PyDict_CheckExact(dict)) goto deoptimize;
STAT_INC(STORE_SUBSCR, hit);
int err = _PyDict_SetItem_Take2((PyDictObject *)dict, sub, value);
Py_DECREF(dict);
if (err) goto pop_3_error_tier_two;
stack_pointer += -3;
break;
}
case _DELETE_SUBSCR: {
PyObject *sub;
PyObject *container;
sub = stack_pointer[-1];
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_tier_two;
stack_pointer += -2;
break;
}
case _CALL_INTRINSIC_1: {
PyObject *value;
PyObject *res;
oparg = CURRENT_OPARG();
value = stack_pointer[-1];
assert(oparg <= MAX_INTRINSIC_1);
res = _PyIntrinsics_UnaryFunctions[oparg].func(tstate, value);
Py_DECREF(value);
if (res == NULL) goto pop_1_error_tier_two;
stack_pointer[-1] = res;
break;
}
case _CALL_INTRINSIC_2: {
PyObject *value1;
PyObject *value2;
PyObject *res;
oparg = CURRENT_OPARG();
value1 = stack_pointer[-1];
value2 = stack_pointer[-2];
assert(oparg <= MAX_INTRINSIC_2);
res = _PyIntrinsics_BinaryFunctions[oparg].func(tstate, value2, value1);
Py_DECREF(value2);
Py_DECREF(value1);
if (res == NULL) goto pop_2_error_tier_two;
stack_pointer[-2] = res;
stack_pointer += -1;
break;
}
case _INTERPRETER_EXIT: {
PyObject *retval;
retval = stack_pointer[-1];
assert(frame == &entry_frame);
assert(_PyFrame_IsIncomplete(frame));
/* Restore previous frame and return. */
tstate->current_frame = frame->previous;
assert(!_PyErr_Occurred(tstate));
tstate->c_recursion_remaining += PY_EVAL_C_STACK_UNITS;
return retval;
}
case _POP_FRAME: {
PyObject *retval;
retval = stack_pointer[-1];
#if TIER_ONE
assert(frame != &entry_frame);
#endif
stack_pointer += -1;
_PyFrame_SetStackPointer(frame, stack_pointer);
assert(EMPTY());
_Py_LeaveRecursiveCallPy(tstate);
// GH-99729: We need to unlink the frame *before* clearing it:
_PyInterpreterFrame *dying = frame;
frame = tstate->current_frame = dying->previous;
_PyEval_FrameClearAndPop(tstate, dying);
_PyFrame_StackPush(frame, retval);
LOAD_SP();
LOAD_IP(frame->return_offset);
#if LLTRACE && TIER_ONE
lltrace = maybe_lltrace_resume_frame(frame, &entry_frame, GLOBALS());
if (lltrace < 0) {
goto exit_unwind;
}
#endif
break;
}
/* _INSTRUMENTED_RETURN_VALUE is not a viable micro-op for tier 2 */
/* _INSTRUMENTED_RETURN_CONST is not a viable micro-op for tier 2 */
case _GET_AITER: {
PyObject *obj;
PyObject *iter;
obj = stack_pointer[-1];
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_tier_two;
}
iter = (*getter)(obj);
Py_DECREF(obj);
if (iter == NULL) goto pop_1_error_tier_two;
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_tier_two;
}
stack_pointer[-1] = iter;
break;
}
case _GET_ANEXT: {
PyObject *aiter;
PyObject *awaitable;
aiter = stack_pointer[-1];
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(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(error);
}
}
else {
_PyErr_Format(tstate, PyExc_TypeError,
"'async for' requires an iterator with "
"__anext__ method, got %.100s",
type->tp_name);
GOTO_ERROR(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(error);
} else {
Py_DECREF(next_iter);
}
}
stack_pointer[0] = awaitable;
stack_pointer += 1;
break;
}
case _GET_AWAITABLE: {
PyObject *iterable;
PyObject *iter;
oparg = CURRENT_OPARG();
iterable = stack_pointer[-1];
iter = _PyCoro_GetAwaitableIter(iterable);
if (iter == NULL) {
_PyEval_FormatAwaitableError(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_tier_two;
stack_pointer[-1] = iter;
break;
}
/* _SEND is not a viable micro-op for tier 2 */
/* _SEND_GEN is not a viable micro-op for tier 2 */
/* _INSTRUMENTED_YIELD_VALUE is not a viable micro-op for tier 2 */
case _YIELD_VALUE: {
PyObject *retval;
oparg = CURRENT_OPARG();
retval = stack_pointer[-1];
// NOTE: It's important that YIELD_VALUE never raises an exception!
// The compiler treats any exception raised here as a failed close()
// or throw() call.
assert(frame != &entry_frame);
frame->instr_ptr = next_instr;
PyGenObject *gen = _PyFrame_GetGenerator(frame);
assert(FRAME_SUSPENDED_YIELD_FROM == FRAME_SUSPENDED + 1);
assert(oparg == 0 || oparg == 1);
gen->gi_frame_state = FRAME_SUSPENDED + oparg;
_PyFrame_SetStackPointer(frame, stack_pointer - 1);
tstate->exc_info = gen->gi_exc_state.previous_item;
gen->gi_exc_state.previous_item = NULL;
_Py_LeaveRecursiveCallPy(tstate);
_PyInterpreterFrame *gen_frame = frame;
frame = tstate->current_frame = frame->previous;
gen_frame->previous = NULL;
_PyFrame_StackPush(frame, retval);
/* We don't know which of these is relevant here, so keep them equal */
assert(INLINE_CACHE_ENTRIES_SEND == INLINE_CACHE_ENTRIES_FOR_ITER);
LOAD_IP(1 + INLINE_CACHE_ENTRIES_SEND);
goto resume_frame;
}
case _POP_EXCEPT: {
PyObject *exc_value;
exc_value = stack_pointer[-1];
_PyErr_StackItem *exc_info = tstate->exc_info;
Py_XSETREF(exc_info->exc_value, exc_value);
stack_pointer += -1;
break;
}
case _LOAD_ASSERTION_ERROR: {
PyObject *value;
value = Py_NewRef(PyExc_AssertionError);
stack_pointer[0] = value;
stack_pointer += 1;
break;
}
case _LOAD_BUILD_CLASS: {
PyObject *bc;
if (PyMapping_GetOptionalItem(BUILTINS(), &_Py_ID(__build_class__), &bc) < 0) goto error_tier_two;
if (bc == NULL) {
_PyErr_SetString(tstate, PyExc_NameError,
"__build_class__ not found");
if (true) goto error_tier_two;
}
stack_pointer[0] = bc;
stack_pointer += 1;
break;
}
case _STORE_NAME: {
PyObject *v;
oparg = CURRENT_OPARG();
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_tier_two;
}
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_tier_two;
stack_pointer += -1;
break;
}
case _DELETE_NAME: {
oparg = CURRENT_OPARG();
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(error);
}
err = PyObject_DelItem(ns, name);
// Can't use ERROR_IF here.
if (err != 0) {
_PyEval_FormatExcCheckArg(tstate, PyExc_NameError,
NAME_ERROR_MSG,
name);
GOTO_ERROR(error);
}
break;
}
case _UNPACK_SEQUENCE: {
PyObject *seq;
oparg = CURRENT_OPARG();
seq = stack_pointer[-1];
PyObject **top = stack_pointer + oparg - 1;
int res = _PyEval_UnpackIterable(tstate, seq, oparg, -1, top);
Py_DECREF(seq);
if (res == 0) goto pop_1_error_tier_two;
stack_pointer += -1 + oparg;
break;
}
case _UNPACK_SEQUENCE_TWO_TUPLE: {
PyObject *seq;
PyObject **values;
oparg = CURRENT_OPARG();
seq = stack_pointer[-1];
values = &stack_pointer[-1];
if (!PyTuple_CheckExact(seq)) goto deoptimize;
if (PyTuple_GET_SIZE(seq) != 2) goto deoptimize;
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_pointer += -1 + oparg;
break;
}
case _UNPACK_SEQUENCE_TUPLE: {
PyObject *seq;
PyObject **values;
oparg = CURRENT_OPARG();
seq = stack_pointer[-1];
values = &stack_pointer[-1];
if (!PyTuple_CheckExact(seq)) goto deoptimize;
if (PyTuple_GET_SIZE(seq) != oparg) goto deoptimize;
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_pointer += -1 + oparg;
break;
}
case _UNPACK_SEQUENCE_LIST: {
PyObject *seq;
PyObject **values;
oparg = CURRENT_OPARG();
seq = stack_pointer[-1];
values = &stack_pointer[-1];
if (!PyList_CheckExact(seq)) goto deoptimize;
if (PyList_GET_SIZE(seq) != oparg) goto deoptimize;
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_pointer += -1 + oparg;
break;
}
case _UNPACK_EX: {
PyObject *seq;
oparg = CURRENT_OPARG();
seq = stack_pointer[-1];
int totalargs = 1 + (oparg & 0xFF) + (oparg >> 8);
PyObject **top = stack_pointer + totalargs - 1;
int res = _PyEval_UnpackIterable(tstate, seq, oparg & 0xFF, oparg >> 8, top);
Py_DECREF(seq);
if (res == 0) goto pop_1_error_tier_two;
stack_pointer += (oparg >> 8) + (oparg & 0xFF);
break;
}
case _STORE_ATTR: {
PyObject *owner;
PyObject *v;
oparg = CURRENT_OPARG();
owner = stack_pointer[-1];
v = stack_pointer[-2];
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_tier_two;
stack_pointer += -2;
break;
}
case _DELETE_ATTR: {
PyObject *owner;
oparg = CURRENT_OPARG();
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_tier_two;
stack_pointer += -1;
break;
}
case _STORE_GLOBAL: {
PyObject *v;
oparg = CURRENT_OPARG();
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_tier_two;
stack_pointer += -1;
break;
}
case _DELETE_GLOBAL: {
oparg = CURRENT_OPARG();
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)) {
_PyEval_FormatExcCheckArg(tstate, PyExc_NameError,
NAME_ERROR_MSG, name);
}
GOTO_ERROR(error);
}
break;
}
case _LOAD_LOCALS: {
PyObject *locals;
locals = LOCALS();
if (locals == NULL) {
_PyErr_SetString(tstate, PyExc_SystemError,
"no locals found");
if (true) goto error_tier_two;
}
Py_INCREF(locals);
stack_pointer[0] = locals;
stack_pointer += 1;
break;
}
case _LOAD_FROM_DICT_OR_GLOBALS: {
PyObject *mod_or_class_dict;
PyObject *v;
oparg = CURRENT_OPARG();
mod_or_class_dict = stack_pointer[-1];
PyObject *name = GETITEM(FRAME_CO_NAMES, oparg);
if (PyMapping_GetOptionalItem(mod_or_class_dict, name, &v) < 0) {
GOTO_ERROR(error);
}
if (v == NULL) {
if (PyDict_GetItemRef(GLOBALS(), name, &v) < 0) {
GOTO_ERROR(error);
}
if (v == NULL) {
if (PyMapping_GetOptionalItem(BUILTINS(), name, &v) < 0) {
GOTO_ERROR(error);
}
if (v == NULL) {
_PyEval_FormatExcCheckArg(
tstate, PyExc_NameError,
NAME_ERROR_MSG, name);
GOTO_ERROR(error);
}
}
}
Py_DECREF(mod_or_class_dict);
stack_pointer[-1] = v;
break;
}
case _LOAD_NAME: {
PyObject *v;
oparg = CURRENT_OPARG();
PyObject *mod_or_class_dict = LOCALS();
if (mod_or_class_dict == NULL) {
_PyErr_SetString(tstate, PyExc_SystemError,
"no locals found");
if (true) goto error_tier_two;
}
PyObject *name = GETITEM(FRAME_CO_NAMES, oparg);
if (PyMapping_GetOptionalItem(mod_or_class_dict, name, &v) < 0) {
GOTO_ERROR(error);
}
if (v == NULL) {
if (PyDict_GetItemRef(GLOBALS(), name, &v) < 0) {
GOTO_ERROR(error);
}
if (v == NULL) {
if (PyMapping_GetOptionalItem(BUILTINS(), name, &v) < 0) {
GOTO_ERROR(error);
}
if (v == NULL) {
_PyEval_FormatExcCheckArg(
tstate, PyExc_NameError,
NAME_ERROR_MSG, name);
GOTO_ERROR(error);
}
}
}
stack_pointer[0] = v;
stack_pointer += 1;
break;
}
case _LOAD_GLOBAL: {
PyObject *res;
PyObject *null = NULL;
oparg = CURRENT_OPARG();
PyObject *name = GETITEM(FRAME_CO_NAMES, oparg>>1);
if (PyDict_CheckExact(GLOBALS())
&& PyDict_CheckExact(BUILTINS()))
{
res = _PyDict_LoadGlobal((PyDictObject *)GLOBALS(),
(PyDictObject *)BUILTINS(),
name);
if (res == NULL) {
if (!_PyErr_Occurred(tstate)) {
/* _PyDict_LoadGlobal() returns NULL without raising
* an exception if the key doesn't exist */
_PyEval_FormatExcCheckArg(tstate, PyExc_NameError,
NAME_ERROR_MSG, name);
}
if (true) goto error_tier_two;
}
Py_INCREF(res);
}
else {
/* Slow-path if globals or builtins is not a dict */
/* namespace 1: globals */
if (PyMapping_GetOptionalItem(GLOBALS(), name, &res) < 0) goto error_tier_two;
if (res == NULL) {
/* namespace 2: builtins */
if (PyMapping_GetOptionalItem(BUILTINS(), name, &res) < 0) goto error_tier_two;
if (res == NULL) {
_PyEval_FormatExcCheckArg(
tstate, PyExc_NameError,
NAME_ERROR_MSG, name);
if (true) goto error_tier_two;
}
}
}
null = NULL;
stack_pointer[0] = res;
if (oparg & 1) stack_pointer[1] = null;
stack_pointer += 1 + ((oparg & 1));
break;
}
case _GUARD_GLOBALS_VERSION: {
uint16_t version = (uint16_t)CURRENT_OPERAND();
PyDictObject *dict = (PyDictObject *)GLOBALS();
if (!PyDict_CheckExact(dict)) goto deoptimize;
if (dict->ma_keys->dk_version != version) goto deoptimize;
assert(DK_IS_UNICODE(dict->ma_keys));
break;
}
case _GUARD_BUILTINS_VERSION: {
uint16_t version = (uint16_t)CURRENT_OPERAND();
PyDictObject *dict = (PyDictObject *)BUILTINS();
if (!PyDict_CheckExact(dict)) goto deoptimize;
if (dict->ma_keys->dk_version != version) goto deoptimize;
assert(DK_IS_UNICODE(dict->ma_keys));
break;
}
case _LOAD_GLOBAL_MODULE: {
PyObject *res;
PyObject *null = NULL;
oparg = CURRENT_OPARG();
uint16_t index = (uint16_t)CURRENT_OPERAND();
PyDictObject *dict = (PyDictObject *)GLOBALS();
PyDictUnicodeEntry *entries = DK_UNICODE_ENTRIES(dict->ma_keys);
res = entries[index].me_value;
if (res == NULL) goto deoptimize;
Py_INCREF(res);
STAT_INC(LOAD_GLOBAL, hit);
null = NULL;
stack_pointer[0] = res;
if (oparg & 1) stack_pointer[1] = null;
stack_pointer += 1 + ((oparg & 1));
break;
}
case _LOAD_GLOBAL_BUILTINS: {
PyObject *res;
PyObject *null = NULL;
oparg = CURRENT_OPARG();
uint16_t index = (uint16_t)CURRENT_OPERAND();
PyDictObject *bdict = (PyDictObject *)BUILTINS();
PyDictUnicodeEntry *entries = DK_UNICODE_ENTRIES(bdict->ma_keys);
res = entries[index].me_value;
if (res == NULL) goto deoptimize;
Py_INCREF(res);
STAT_INC(LOAD_GLOBAL, hit);
null = NULL;
stack_pointer[0] = res;
if (oparg & 1) stack_pointer[1] = null;
stack_pointer += 1 + ((oparg & 1));
break;
}
case _DELETE_FAST: {
oparg = CURRENT_OPARG();
PyObject *v = GETLOCAL(oparg);
if (v == NULL) goto unbound_local_error_tier_two;
SETLOCAL(oparg, NULL);
break;
}
case _MAKE_CELL: {
oparg = CURRENT_OPARG();
// "initial" is probably NULL but not if it's an arg (or set
// via PyFrame_LocalsToFast() before MAKE_CELL has run).
PyObject *initial = GETLOCAL(oparg);
PyObject *cell = PyCell_New(initial);
if (cell == NULL) {
GOTO_ERROR(error);
}
SETLOCAL(oparg, cell);
break;
}
case _DELETE_DEREF: {
oparg = CURRENT_OPARG();
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) {
_PyEval_FormatExcUnbound(tstate, _PyFrame_GetCode(frame), oparg);
GOTO_ERROR(error);
}
PyCell_SET(cell, NULL);
Py_DECREF(oldobj);
break;
}
case _LOAD_FROM_DICT_OR_DEREF: {
PyObject *class_dict;
PyObject *value;
oparg = CURRENT_OPARG();
class_dict = stack_pointer[-1];
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) {
GOTO_ERROR(error);
}
if (!value) {
PyObject *cell = GETLOCAL(oparg);
value = PyCell_GET(cell);
if (value == NULL) {
_PyEval_FormatExcUnbound(tstate, _PyFrame_GetCode(frame), oparg);
GOTO_ERROR(error);
}
Py_INCREF(value);
}
Py_DECREF(class_dict);
stack_pointer[-1] = value;
break;
}
case _LOAD_DEREF: {
PyObject *value;
oparg = CURRENT_OPARG();
PyObject *cell = GETLOCAL(oparg);
value = PyCell_GET(cell);
if (value == NULL) {
_PyEval_FormatExcUnbound(tstate, _PyFrame_GetCode(frame), oparg);
if (true) goto error_tier_two;
}
Py_INCREF(value);
stack_pointer[0] = value;
stack_pointer += 1;
break;
}
case _STORE_DEREF: {
PyObject *v;
oparg = CURRENT_OPARG();
v = stack_pointer[-1];
PyObject *cell = GETLOCAL(oparg);
PyObject *oldobj = PyCell_GET(cell);
PyCell_SET(cell, v);
Py_XDECREF(oldobj);
stack_pointer += -1;
break;
}
case _COPY_FREE_VARS: {
oparg = CURRENT_OPARG();
/* 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;
PyObject *str;
oparg = CURRENT_OPARG();
pieces = &stack_pointer[-oparg];
str = _PyUnicode_JoinArray(&_Py_STR(empty), pieces, oparg);
for (int _i = oparg; --_i >= 0;) {
Py_DECREF(pieces[_i]);
}
if (str == NULL) { stack_pointer += -oparg; goto error_tier_two; }
stack_pointer[-oparg] = str;
stack_pointer += 1 - oparg;
break;
}
case _BUILD_TUPLE: {
PyObject **values;
PyObject *tup;
oparg = CURRENT_OPARG();
values = &stack_pointer[-oparg];
tup = _PyTuple_FromArraySteal(values, oparg);
if (tup == NULL) { stack_pointer += -oparg; goto error_tier_two; }
stack_pointer[-oparg] = tup;
stack_pointer += 1 - oparg;
break;
}
case _BUILD_LIST: {
PyObject **values;
PyObject *list;
oparg = CURRENT_OPARG();
values = &stack_pointer[-oparg];
list = _PyList_FromArraySteal(values, oparg);
if (list == NULL) { stack_pointer += -oparg; goto error_tier_two; }
stack_pointer[-oparg] = list;
stack_pointer += 1 - oparg;
break;
}
case _LIST_EXTEND: {
PyObject *iterable;
PyObject *list;
oparg = CURRENT_OPARG();
iterable = stack_pointer[-1];
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_tier_two;
}
assert(Py_IsNone(none_val));
Py_DECREF(iterable);
stack_pointer += -1;
break;
}
case _SET_UPDATE: {
PyObject *iterable;
PyObject *set;
oparg = CURRENT_OPARG();
iterable = stack_pointer[-1];
set = stack_pointer[-2 - (oparg-1)];
int err = _PySet_Update(set, iterable);
Py_DECREF(iterable);
if (err < 0) goto pop_1_error_tier_two;
stack_pointer += -1;
break;
}
case _BUILD_SET: {
PyObject **values;
PyObject *set;
oparg = CURRENT_OPARG();
values = &stack_pointer[-oparg];
set = PySet_New(NULL);
if (set == NULL)
GOTO_ERROR(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_pointer += -oparg; goto error_tier_two; }
}
stack_pointer[-oparg] = set;
stack_pointer += 1 - oparg;
break;
}
case _BUILD_MAP: {
PyObject **values;
PyObject *map;
oparg = CURRENT_OPARG();
values = &stack_pointer[-oparg*2];
map = _PyDict_FromItems(
values, 2,
values+1, 2,
oparg);
for (int _i = oparg*2; --_i >= 0;) {
Py_DECREF(values[_i]);
}
if (map == NULL) { stack_pointer += -oparg*2; goto error_tier_two; }
stack_pointer[-oparg*2] = map;
stack_pointer += 1 - oparg*2;
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_tier_two;
}
/* check if __annotations__ in locals()... */
if (PyMapping_GetOptionalItem(LOCALS(), &_Py_ID(__annotations__), &ann_dict) < 0) goto error_tier_two;
if (ann_dict == NULL) {
ann_dict = PyDict_New();
if (ann_dict == NULL) goto error_tier_two;
err = PyObject_SetItem(LOCALS(), &_Py_ID(__annotations__),
ann_dict);
Py_DECREF(ann_dict);
if (err) goto error_tier_two;
}
else {
Py_DECREF(ann_dict);
}
break;
}
case _BUILD_CONST_KEY_MAP: {
PyObject *keys;
PyObject **values;
PyObject *map;
oparg = CURRENT_OPARG();
keys = stack_pointer[-1];
values = &stack_pointer[-1 - oparg];
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(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_pointer += -1 - oparg; goto error_tier_two; }
stack_pointer[-1 - oparg] = map;
stack_pointer += -oparg;
break;
}
case _DICT_UPDATE: {
PyObject *update;
PyObject *dict;
oparg = CURRENT_OPARG();
update = stack_pointer[-1];
dict = stack_pointer[-2 - (oparg - 1)];
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_tier_two;
}
Py_DECREF(update);
stack_pointer += -1;
break;
}
case _DICT_MERGE: {
PyObject *update;
PyObject *dict;
PyObject *callable;
oparg = CURRENT_OPARG();
update = stack_pointer[-1];
dict = stack_pointer[-2 - (oparg - 1)];
callable = stack_pointer[-5 - (oparg - 1)];
if (_PyDict_MergeEx(dict, update, 2) < 0) {
_PyEval_FormatKwargsError(tstate, callable, update);
Py_DECREF(update);
if (true) goto pop_1_error_tier_two;
}
Py_DECREF(update);
stack_pointer += -1;
break;
}
case _MAP_ADD: {
PyObject *value;
PyObject *key;
PyObject *dict;
oparg = CURRENT_OPARG();
value = stack_pointer[-1];
key = stack_pointer[-2];
dict = stack_pointer[-3 - (oparg - 1)];
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_tier_two;
stack_pointer += -2;
break;
}
/* _INSTRUMENTED_LOAD_SUPER_ATTR is not a viable micro-op for tier 2 */
case _LOAD_SUPER_ATTR_ATTR: {
PyObject *self;
PyObject *class;
PyObject *global_super;
PyObject *attr;
oparg = CURRENT_OPARG();
self = stack_pointer[-1];
class = stack_pointer[-2];
global_super = stack_pointer[-3];
assert(!(oparg & 1));
if (global_super != (PyObject *)&PySuper_Type) goto deoptimize;
if (!PyType_Check(class)) goto deoptimize;
STAT_INC(LOAD_SUPER_ATTR, hit);
PyObject *name = GETITEM(FRAME_CO_NAMES, oparg >> 2);
attr = _PySuper_Lookup((PyTypeObject *)class, self, name, NULL);
Py_DECREF(global_super);
Py_DECREF(class);
Py_DECREF(self);
if (attr == NULL) goto pop_3_error_tier_two;
stack_pointer[-3] = attr;
stack_pointer += -2 + (((0) ? 1 : 0));
break;
}
case _LOAD_SUPER_ATTR_METHOD: {
PyObject *self;
PyObject *class;
PyObject *global_super;
PyObject *attr;
PyObject *self_or_null;
oparg = CURRENT_OPARG();
self = stack_pointer[-1];
class = stack_pointer[-2];
global_super = stack_pointer[-3];
assert(oparg & 1);
if (global_super != (PyObject *)&PySuper_Type) goto deoptimize;
if (!PyType_Check(class)) goto deoptimize;
STAT_INC(LOAD_SUPER_ATTR, hit);
PyObject *name = GETITEM(FRAME_CO_NAMES, oparg >> 2);
PyTypeObject *cls = (PyTypeObject *)class;
int method_found = 0;
attr = _PySuper_Lookup(cls, self, name,
Py_TYPE(self)->tp_getattro == PyObject_GenericGetAttr ? &method_found : NULL);
Py_DECREF(global_super);
Py_DECREF(class);
if (attr == NULL) {
Py_DECREF(self);
if (true) goto pop_3_error_tier_two;
}
if (method_found) {
self_or_null = self; // transfer ownership
} else {
Py_DECREF(self);
self_or_null = NULL;
}
stack_pointer[-3] = attr;
stack_pointer[-2] = self_or_null;
stack_pointer += -1;
break;
}
case _LOAD_ATTR: {
PyObject *owner;
PyObject *attr;
PyObject *self_or_null = NULL;
oparg = CURRENT_OPARG();
owner = stack_pointer[-1];
PyObject *name = GETITEM(FRAME_CO_NAMES, oparg >> 1);
if (oparg & 1) {
/* Designed to work in tandem with CALL, pushes two values. */
attr = NULL;
if (_PyObject_GetMethod(owner, name, &attr)) {
/* We can bypass temporary bound method object.
meth is unbound method and obj is self.
meth | self | arg1 | ... | argN
*/
assert(attr != NULL); // No errors on this branch
self_or_null = 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 (attr == NULL) goto pop_1_error_tier_two;
self_or_null = NULL;
}
}
else {
/* Classic, pushes one value. */
attr = PyObject_GetAttr(owner, name);
Py_DECREF(owner);
if (attr == NULL) goto pop_1_error_tier_two;
}
stack_pointer[-1] = attr;
if (oparg & 1) stack_pointer[0] = self_or_null;
stack_pointer += ((oparg & 1));
break;
}
case _GUARD_TYPE_VERSION: {
PyObject *owner;
owner = stack_pointer[-1];
uint32_t type_version = (uint32_t)CURRENT_OPERAND();
PyTypeObject *tp = Py_TYPE(owner);
assert(type_version != 0);
if (tp->tp_version_tag != type_version) goto deoptimize;
break;
}
case _CHECK_MANAGED_OBJECT_HAS_VALUES: {
PyObject *owner;
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);
if (!_PyDictOrValues_IsValues(*dorv) && !_PyObject_MakeInstanceAttributesFromDict(owner, dorv)) goto deoptimize;
break;
}
case _LOAD_ATTR_INSTANCE_VALUE: {
PyObject *owner;
PyObject *attr;
PyObject *null = NULL;
oparg = CURRENT_OPARG();
owner = stack_pointer[-1];
uint16_t index = (uint16_t)CURRENT_OPERAND();
PyDictOrValues dorv = *_PyObject_DictOrValuesPointer(owner);
attr = _PyDictOrValues_GetValues(dorv)->values[index];
if (attr == NULL) goto deoptimize;
STAT_INC(LOAD_ATTR, hit);
Py_INCREF(attr);
null = NULL;
Py_DECREF(owner);
stack_pointer[-1] = attr;
if (oparg & 1) stack_pointer[0] = null;
stack_pointer += ((oparg & 1));
break;
}
case _CHECK_ATTR_MODULE: {
PyObject *owner;
owner = stack_pointer[-1];
uint32_t type_version = (uint32_t)CURRENT_OPERAND();
if (!PyModule_CheckExact(owner)) goto deoptimize;
PyDictObject *dict = (PyDictObject *)((PyModuleObject *)owner)->md_dict;
assert(dict != NULL);
if (dict->ma_keys->dk_version != type_version) goto deoptimize;
break;
}
case _LOAD_ATTR_MODULE: {
PyObject *owner;
PyObject *attr;
PyObject *null = NULL;
oparg = CURRENT_OPARG();
owner = stack_pointer[-1];
uint16_t index = (uint16_t)CURRENT_OPERAND();
PyDictObject *dict = (PyDictObject *)((PyModuleObject *)owner)->md_dict;
assert(dict->ma_keys->dk_kind == DICT_KEYS_UNICODE);
assert(index < dict->ma_keys->dk_nentries);
PyDictUnicodeEntry *ep = DK_UNICODE_ENTRIES(dict->ma_keys) + index;
attr = ep->me_value;
if (attr == NULL) goto deoptimize;
STAT_INC(LOAD_ATTR, hit);
Py_INCREF(attr);
null = NULL;
Py_DECREF(owner);
stack_pointer[-1] = attr;
if (oparg & 1) stack_pointer[0] = null;
stack_pointer += ((oparg & 1));
break;
}
case _CHECK_ATTR_WITH_HINT: {
PyObject *owner;
owner = stack_pointer[-1];
assert(Py_TYPE(owner)->tp_flags & Py_TPFLAGS_MANAGED_DICT);
PyDictOrValues dorv = *_PyObject_DictOrValuesPointer(owner);
if (_PyDictOrValues_IsValues(dorv)) goto deoptimize;
PyDictObject *dict = (PyDictObject *)_PyDictOrValues_GetDict(dorv);
if (dict == NULL) goto deoptimize;
assert(PyDict_CheckExact((PyObject *)dict));
break;
}
case _LOAD_ATTR_WITH_HINT: {
PyObject *owner;
PyObject *attr;
PyObject *null = NULL;
oparg = CURRENT_OPARG();
owner = stack_pointer[-1];
uint16_t hint = (uint16_t)CURRENT_OPERAND();
PyDictOrValues dorv = *_PyObject_DictOrValuesPointer(owner);
PyDictObject *dict = (PyDictObject *)_PyDictOrValues_GetDict(dorv);
if (hint >= (size_t)dict->ma_keys->dk_nentries) goto deoptimize;
PyObject *name = GETITEM(FRAME_CO_NAMES, oparg>>1);
if (DK_IS_UNICODE(dict->ma_keys)) {
PyDictUnicodeEntry *ep = DK_UNICODE_ENTRIES(dict->ma_keys) + hint;
if (ep->me_key != name) goto deoptimize;
attr = ep->me_value;
}
else {
PyDictKeyEntry *ep = DK_ENTRIES(dict->ma_keys) + hint;
if (ep->me_key != name) goto deoptimize;
attr = ep->me_value;
}
if (attr == NULL) goto deoptimize;
STAT_INC(LOAD_ATTR, hit);
Py_INCREF(attr);
null = NULL;
Py_DECREF(owner);
stack_pointer[-1] = attr;
if (oparg & 1) stack_pointer[0] = null;
stack_pointer += ((oparg & 1));
break;
}
case _LOAD_ATTR_SLOT: {
PyObject *owner;
PyObject *attr;
PyObject *null = NULL;
oparg = CURRENT_OPARG();
owner = stack_pointer[-1];
uint16_t index = (uint16_t)CURRENT_OPERAND();
char *addr = (char *)owner + index;
attr = *(PyObject **)addr;
if (attr == NULL) goto deoptimize;
STAT_INC(LOAD_ATTR, hit);
Py_INCREF(attr);
null = NULL;
Py_DECREF(owner);
stack_pointer[-1] = attr;
if (oparg & 1) stack_pointer[0] = null;
stack_pointer += ((oparg & 1));
break;
}
case _CHECK_ATTR_CLASS: {
PyObject *owner;
owner = stack_pointer[-1];
uint32_t type_version = (uint32_t)CURRENT_OPERAND();
if (!PyType_Check(owner)) goto deoptimize;
assert(type_version != 0);
if (((PyTypeObject *)owner)->tp_version_tag != type_version) goto deoptimize;
break;
}
case _LOAD_ATTR_CLASS: {
PyObject *owner;
PyObject *attr;
PyObject *null = NULL;
oparg = CURRENT_OPARG();
owner = stack_pointer[-1];
PyObject *descr = (PyObject *)CURRENT_OPERAND();
STAT_INC(LOAD_ATTR, hit);
assert(descr != NULL);
attr = Py_NewRef(descr);
null = NULL;
Py_DECREF(owner);
stack_pointer[-1] = attr;
if (oparg & 1) stack_pointer[0] = null;
stack_pointer += ((oparg & 1));
break;
}
/* _LOAD_ATTR_PROPERTY is not a viable micro-op for tier 2 */
/* _LOAD_ATTR_GETATTRIBUTE_OVERRIDDEN is not a viable micro-op for tier 2 */
case _GUARD_DORV_VALUES: {
PyObject *owner;
owner = stack_pointer[-1];
assert(Py_TYPE(owner)->tp_flags & Py_TPFLAGS_MANAGED_DICT);
PyDictOrValues dorv = *_PyObject_DictOrValuesPointer(owner);
if (!_PyDictOrValues_IsValues(dorv)) goto deoptimize;
break;
}
case _STORE_ATTR_INSTANCE_VALUE: {
PyObject *owner;
PyObject *value;
owner = stack_pointer[-1];
value = stack_pointer[-2];
uint16_t index = (uint16_t)CURRENT_OPERAND();
PyDictOrValues dorv = *_PyObject_DictOrValuesPointer(owner);
STAT_INC(STORE_ATTR, hit);
PyDictValues *values = _PyDictOrValues_GetValues(dorv);
PyObject *old_value = values->values[index];
values->values[index] = value;
if (old_value == NULL) {
_PyDictValues_AddToInsertionOrder(values, index);
}
else {
Py_DECREF(old_value);
}
Py_DECREF(owner);
stack_pointer += -2;
break;
}
/* _STORE_ATTR_WITH_HINT is not a viable micro-op for tier 2 */
case _STORE_ATTR_SLOT: {
PyObject *owner;
PyObject *value;
owner = stack_pointer[-1];
value = stack_pointer[-2];
uint16_t index = (uint16_t)CURRENT_OPERAND();
char *addr = (char *)owner + index;
STAT_INC(STORE_ATTR, hit);
PyObject *old_value = *(PyObject **)addr;
*(PyObject **)addr = value;
Py_XDECREF(old_value);
Py_DECREF(owner);
stack_pointer += -2;
break;
}
case _COMPARE_OP: {
PyObject *right;
PyObject *left;
PyObject *res;
oparg = CURRENT_OPARG();
right = stack_pointer[-1];
left = stack_pointer[-2];
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_tier_two;
if (oparg & 16) {
int res_bool = PyObject_IsTrue(res);
Py_DECREF(res);
if (res_bool < 0) goto pop_2_error_tier_two;
res = res_bool ? Py_True : Py_False;
}
stack_pointer[-2] = res;
stack_pointer += -1;
break;
}
case _COMPARE_OP_FLOAT: {
PyObject *right;
PyObject *left;
PyObject *res;
oparg = CURRENT_OPARG();
right = stack_pointer[-1];
left = stack_pointer[-2];
if (!PyFloat_CheckExact(left)) goto deoptimize;
if (!PyFloat_CheckExact(right)) goto deoptimize;
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_pointer[-2] = res;
stack_pointer += -1;
break;
}
case _COMPARE_OP_INT: {
PyObject *right;
PyObject *left;
PyObject *res;
oparg = CURRENT_OPARG();
right = stack_pointer[-1];
left = stack_pointer[-2];
if (!PyLong_CheckExact(left)) goto deoptimize;
if (!PyLong_CheckExact(right)) goto deoptimize;
if (!_PyLong_IsCompact((PyLongObject *)left)) goto deoptimize;
if (!_PyLong_IsCompact((PyLongObject *)right)) goto deoptimize;
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_pointer[-2] = res;
stack_pointer += -1;
break;
}
case _COMPARE_OP_STR: {
PyObject *right;
PyObject *left;
PyObject *res;
oparg = CURRENT_OPARG();
right = stack_pointer[-1];
left = stack_pointer[-2];
if (!PyUnicode_CheckExact(left)) goto deoptimize;
if (!PyUnicode_CheckExact(right)) goto deoptimize;
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_pointer[-2] = res;
stack_pointer += -1;
break;
}
case _IS_OP: {
PyObject *right;
PyObject *left;
PyObject *b;
oparg = CURRENT_OPARG();
right = stack_pointer[-1];
left = stack_pointer[-2];
int res = Py_Is(left, right) ^ oparg;
Py_DECREF(left);
Py_DECREF(right);
b = res ? Py_True : Py_False;
stack_pointer[-2] = b;
stack_pointer += -1;
break;
}
case _CONTAINS_OP: {
PyObject *right;
PyObject *left;
PyObject *b;
oparg = CURRENT_OPARG();
right = stack_pointer[-1];
left = stack_pointer[-2];
int res = PySequence_Contains(right, left);
Py_DECREF(left);
Py_DECREF(right);
if (res < 0) goto pop_2_error_tier_two;
b = (res ^ oparg) ? Py_True : Py_False;
stack_pointer[-2] = b;
stack_pointer += -1;
break;
}
case _CHECK_EG_MATCH: {
PyObject *match_type;
PyObject *exc_value;
PyObject *rest;
PyObject *match;
match_type = stack_pointer[-1];
exc_value = stack_pointer[-2];
if (_PyEval_CheckExceptStarTypeValid(tstate, match_type) < 0) {
Py_DECREF(exc_value);
Py_DECREF(match_type);
if (true) goto pop_2_error_tier_two;
}
match = NULL;
rest = NULL;
int res = _PyEval_ExceptionGroupMatch(exc_value, match_type,
&match, &rest);
Py_DECREF(exc_value);
Py_DECREF(match_type);
if (res < 0) goto pop_2_error_tier_two;
assert((match == NULL) == (rest == NULL));
if (match == NULL) goto pop_2_error_tier_two;
if (!Py_IsNone(match)) {
PyErr_SetHandledException(match);
}
stack_pointer[-2] = rest;
stack_pointer[-1] = match;
break;
}
case _CHECK_EXC_MATCH: {
PyObject *right;
PyObject *left;
PyObject *b;
right = stack_pointer[-1];
left = stack_pointer[-2];
assert(PyExceptionInstance_Check(left));
if (_PyEval_CheckExceptTypeValid(tstate, right) < 0) {
Py_DECREF(right);
if (true) goto pop_1_error_tier_two;
}
int res = PyErr_GivenExceptionMatches(left, right);
Py_DECREF(right);
b = res ? Py_True : Py_False;
stack_pointer[-1] = b;
break;
}
case _JUMP_FORWARD: {
oparg = CURRENT_OPARG();
JUMPBY(oparg);
break;
}
/* _JUMP_BACKWARD is not a viable micro-op for tier 2 */
/* _POP_JUMP_IF_FALSE is not a viable micro-op for tier 2 */
/* _POP_JUMP_IF_TRUE is not a viable micro-op for tier 2 */
case _IS_NONE: {
PyObject *value;
PyObject *b;
value = stack_pointer[-1];
if (Py_IsNone(value)) {
b = Py_True;
}
else {
b = Py_False;
Py_DECREF(value);
}
stack_pointer[-1] = b;
break;
}
case _JUMP_BACKWARD_NO_INTERRUPT: {
oparg = CURRENT_OPARG();
/* This bytecode is used in the `yield from` or `await` loop.
* If there is an interrupt, we want it handled in the innermost
* generator or coroutine, so we deliberately do not check it here.
* (see bpo-30039).
*/
JUMPBY(-oparg);
break;
}
case _GET_LEN: {
PyObject *obj;
PyObject *len_o;
obj = stack_pointer[-1];
// PUSH(len(TOS))
Py_ssize_t len_i = PyObject_Length(obj);
if (len_i < 0) goto error_tier_two;
len_o = PyLong_FromSsize_t(len_i);
if (len_o == NULL) goto error_tier_two;
stack_pointer[0] = len_o;
stack_pointer += 1;
break;
}
case _MATCH_CLASS: {
PyObject *names;
PyObject *type;
PyObject *subject;
PyObject *attrs;
oparg = CURRENT_OPARG();
names = stack_pointer[-1];
type = stack_pointer[-2];
subject = stack_pointer[-3];
// Pop TOS and TOS1. Set TOS to a tuple of attributes on success, or
// None on failure.
assert(PyTuple_CheckExact(names));
attrs = _PyEval_MatchClass(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_tier_two;
// Error!
attrs = Py_None; // Failure!
}
stack_pointer[-3] = attrs;
stack_pointer += -2;
break;
}
case _MATCH_MAPPING: {
PyObject *subject;
PyObject *res;
subject = stack_pointer[-1];
int match = Py_TYPE(subject)->tp_flags & Py_TPFLAGS_MAPPING;
res = match ? Py_True : Py_False;
stack_pointer[0] = res;
stack_pointer += 1;
break;
}
case _MATCH_SEQUENCE: {
PyObject *subject;
PyObject *res;
subject = stack_pointer[-1];
int match = Py_TYPE(subject)->tp_flags & Py_TPFLAGS_SEQUENCE;
res = match ? Py_True : Py_False;
stack_pointer[0] = res;
stack_pointer += 1;
break;
}
case _MATCH_KEYS: {
PyObject *keys;
PyObject *subject;
PyObject *values_or_none;
keys = stack_pointer[-1];
subject = stack_pointer[-2];
// On successful match, PUSH(values). Otherwise, PUSH(None).
values_or_none = _PyEval_MatchKeys(tstate, subject, keys);
if (values_or_none == NULL) goto error_tier_two;
stack_pointer[0] = values_or_none;
stack_pointer += 1;
break;
}
case _GET_ITER: {
PyObject *iterable;
PyObject *iter;
iterable = stack_pointer[-1];
/* before: [obj]; after [getiter(obj)] */
iter = PyObject_GetIter(iterable);
Py_DECREF(iterable);
if (iter == NULL) goto pop_1_error_tier_two;
stack_pointer[-1] = iter;
break;
}
case _GET_YIELD_FROM_ITER: {
PyObject *iterable;
PyObject *iter;
iterable = stack_pointer[-1];
/* 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(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(error);
}
Py_DECREF(iterable);
}
stack_pointer[-1] = iter;
break;
}
/* _FOR_ITER is not a viable micro-op for tier 2 */
case _FOR_ITER_TIER_TWO: {
PyObject *iter;
PyObject *next;
iter = stack_pointer[-1];
/* before: [iter]; after: [iter, iter()] *or* [] (and jump over END_FOR.) */
next = (*Py_TYPE(iter)->tp_iternext)(iter);
if (next == NULL) {
if (_PyErr_Occurred(tstate)) {
if (!_PyErr_ExceptionMatches(tstate, PyExc_StopIteration)) {
GOTO_ERROR(error);
}
_PyErr_Clear(tstate);
}
/* iterator ended normally */
Py_DECREF(iter);
STACK_SHRINK(1);
/* The translator sets the deopt target just past END_FOR */
if (true) goto deoptimize;
}
// Common case: no jump, leave it to the code generator
stack_pointer[0] = next;
stack_pointer += 1;
break;
}
/* _INSTRUMENTED_FOR_ITER is not a viable micro-op for tier 2 */
case _ITER_CHECK_LIST: {
PyObject *iter;
iter = stack_pointer[-1];
if (Py_TYPE(iter) != &PyListIter_Type) goto deoptimize;
break;
}
/* _ITER_JUMP_LIST is not a viable micro-op for tier 2 */
case _GUARD_NOT_EXHAUSTED_LIST: {
PyObject *iter;
iter = stack_pointer[-1];
_PyListIterObject *it = (_PyListIterObject *)iter;
assert(Py_TYPE(iter) == &PyListIter_Type);
PyListObject *seq = it->it_seq;
if (seq == NULL) goto deoptimize;
if (it->it_index >= PyList_GET_SIZE(seq)) goto deoptimize;
break;
}
case _ITER_NEXT_LIST: {
PyObject *iter;
PyObject *next;
iter = stack_pointer[-1];
_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_pointer[0] = next;
stack_pointer += 1;
break;
}
case _ITER_CHECK_TUPLE: {
PyObject *iter;
iter = stack_pointer[-1];
if (Py_TYPE(iter) != &PyTupleIter_Type) goto deoptimize;
break;
}
/* _ITER_JUMP_TUPLE is not a viable micro-op for tier 2 */
case _GUARD_NOT_EXHAUSTED_TUPLE: {
PyObject *iter;
iter = stack_pointer[-1];
_PyTupleIterObject *it = (_PyTupleIterObject *)iter;
assert(Py_TYPE(iter) == &PyTupleIter_Type);
PyTupleObject *seq = it->it_seq;
if (seq == NULL) goto deoptimize;
if (it->it_index >= PyTuple_GET_SIZE(seq)) goto deoptimize;
break;
}
case _ITER_NEXT_TUPLE: {
PyObject *iter;
PyObject *next;
iter = stack_pointer[-1];
_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_pointer[0] = next;
stack_pointer += 1;
break;
}
case _ITER_CHECK_RANGE: {
PyObject *iter;
iter = stack_pointer[-1];
_PyRangeIterObject *r = (_PyRangeIterObject *)iter;
if (Py_TYPE(r) != &PyRangeIter_Type) goto deoptimize;
break;
}
/* _ITER_JUMP_RANGE is not a viable micro-op for tier 2 */
case _GUARD_NOT_EXHAUSTED_RANGE: {
PyObject *iter;
iter = stack_pointer[-1];
_PyRangeIterObject *r = (_PyRangeIterObject *)iter;
assert(Py_TYPE(r) == &PyRangeIter_Type);
if (r->len <= 0) goto deoptimize;
break;
}
case _ITER_NEXT_RANGE: {
PyObject *iter;
PyObject *next;
iter = stack_pointer[-1];
_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_tier_two;
stack_pointer[0] = next;
stack_pointer += 1;
break;
}
/* _FOR_ITER_GEN is not a viable micro-op for tier 2 */
case _BEFORE_ASYNC_WITH: {
PyObject *mgr;
PyObject *exit;
PyObject *res;
mgr = stack_pointer[-1];
PyObject *enter = _PyObject_LookupSpecial(mgr, &_Py_ID(__aenter__));
if (enter == NULL) {
if (!_PyErr_Occurred(tstate)) {
_PyErr_Format(tstate, PyExc_TypeError,
"'%.200s' object does not support the "
"asynchronous context manager protocol",
Py_TYPE(mgr)->tp_name);
}
GOTO_ERROR(error);
}
exit = _PyObject_LookupSpecial(mgr, &_Py_ID(__aexit__));
if (exit == NULL) {
if (!_PyErr_Occurred(tstate)) {
_PyErr_Format(tstate, PyExc_TypeError,
"'%.200s' object does not support the "
"asynchronous context manager protocol "
"(missed __aexit__ method)",
Py_TYPE(mgr)->tp_name);
}
Py_DECREF(enter);
GOTO_ERROR(error);
}
Py_DECREF(mgr);
res = _PyObject_CallNoArgsTstate(tstate, enter);
Py_DECREF(enter);
if (res == NULL) {
Py_DECREF(exit);
if (true) goto pop_1_error_tier_two;
}
stack_pointer[-1] = exit;
stack_pointer[0] = res;
stack_pointer += 1;
break;
}
case _BEFORE_WITH: {
PyObject *mgr;
PyObject *exit;
PyObject *res;
mgr = stack_pointer[-1];
/* pop the context manager, push its __exit__ and the
* value returned from calling its __enter__
*/
PyObject *enter = _PyObject_LookupSpecial(mgr, &_Py_ID(__enter__));
if (enter == NULL) {
if (!_PyErr_Occurred(tstate)) {
_PyErr_Format(tstate, PyExc_TypeError,
"'%.200s' object does not support the "
"context manager protocol",
Py_TYPE(mgr)->tp_name);
}
GOTO_ERROR(error);
}
exit = _PyObject_LookupSpecial(mgr, &_Py_ID(__exit__));
if (exit == NULL) {
if (!_PyErr_Occurred(tstate)) {
_PyErr_Format(tstate, PyExc_TypeError,
"'%.200s' object does not support the "
"context manager protocol "
"(missed __exit__ method)",
Py_TYPE(mgr)->tp_name);
}
Py_DECREF(enter);
GOTO_ERROR(error);
}
Py_DECREF(mgr);
res = _PyObject_CallNoArgsTstate(tstate, enter);
Py_DECREF(enter);
if (res == NULL) {
Py_DECREF(exit);
if (true) goto pop_1_error_tier_two;
}
stack_pointer[-1] = exit;
stack_pointer[0] = res;
stack_pointer += 1;
break;
}
case _WITH_EXCEPT_START: {
PyObject *val;
PyObject *lasti;
PyObject *exit_func;
PyObject *res;
val = stack_pointer[-1];
lasti = stack_pointer[-3];
exit_func = stack_pointer[-4];
/* 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);
if (tb == NULL) {
tb = Py_None;
}
else {
Py_DECREF(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_tier_two;
stack_pointer[0] = res;
stack_pointer += 1;
break;
}
case _PUSH_EXC_INFO: {
PyObject *new_exc;
PyObject *prev_exc;
new_exc = stack_pointer[-1];
_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_pointer[-1] = prev_exc;
stack_pointer[0] = new_exc;
stack_pointer += 1;
break;
}
case _GUARD_DORV_VALUES_INST_ATTR_FROM_DICT: {
PyObject *owner;
owner = stack_pointer[-1];
assert(Py_TYPE(owner)->tp_flags & Py_TPFLAGS_MANAGED_DICT);
PyDictOrValues *dorv = _PyObject_DictOrValuesPointer(owner);
if (!_PyDictOrValues_IsValues(*dorv) && !_PyObject_MakeInstanceAttributesFromDict(owner, dorv)) goto deoptimize;
break;
}
case _GUARD_KEYS_VERSION: {
PyObject *owner;
owner = stack_pointer[-1];
uint32_t keys_version = (uint32_t)CURRENT_OPERAND();
PyTypeObject *owner_cls = Py_TYPE(owner);
PyHeapTypeObject *owner_heap_type = (PyHeapTypeObject *)owner_cls;
if (owner_heap_type->ht_cached_keys->dk_version != keys_version) goto deoptimize;
break;
}
case _LOAD_ATTR_METHOD_WITH_VALUES: {
PyObject *owner;
PyObject *attr;
PyObject *self = NULL;
oparg = CURRENT_OPARG();
owner = stack_pointer[-1];
PyObject *descr = (PyObject *)CURRENT_OPERAND();
assert(oparg & 1);
/* Cached method object */
STAT_INC(LOAD_ATTR, hit);
assert(descr != NULL);
attr = Py_NewRef(descr);
assert(_PyType_HasFeature(Py_TYPE(attr), Py_TPFLAGS_METHOD_DESCRIPTOR));
self = owner;
stack_pointer[-1] = attr;
if (1) stack_pointer[0] = self;
stack_pointer += (((1) ? 1 : 0));
break;
}
case _LOAD_ATTR_METHOD_NO_DICT: {
PyObject *owner;
PyObject *attr;
PyObject *self = NULL;
oparg = CURRENT_OPARG();
owner = stack_pointer[-1];
PyObject *descr = (PyObject *)CURRENT_OPERAND();
assert(oparg & 1);
assert(Py_TYPE(owner)->tp_dictoffset == 0);
STAT_INC(LOAD_ATTR, hit);
assert(descr != NULL);
assert(_PyType_HasFeature(Py_TYPE(descr), Py_TPFLAGS_METHOD_DESCRIPTOR));
attr = Py_NewRef(descr);
self = owner;
stack_pointer[-1] = attr;
if (1) stack_pointer[0] = self;
stack_pointer += (((1) ? 1 : 0));
break;
}
case _LOAD_ATTR_NONDESCRIPTOR_WITH_VALUES: {
PyObject *owner;
PyObject *attr;
oparg = CURRENT_OPARG();
owner = stack_pointer[-1];
PyObject *descr = (PyObject *)CURRENT_OPERAND();
assert((oparg & 1) == 0);
STAT_INC(LOAD_ATTR, hit);
assert(descr != NULL);
Py_DECREF(owner);
attr = Py_NewRef(descr);
stack_pointer[-1] = attr;
stack_pointer += (((0) ? 1 : 0));
break;
}
case _LOAD_ATTR_NONDESCRIPTOR_NO_DICT: {
PyObject *owner;
PyObject *attr;
oparg = CURRENT_OPARG();
owner = stack_pointer[-1];
PyObject *descr = (PyObject *)CURRENT_OPERAND();
assert((oparg & 1) == 0);
assert(Py_TYPE(owner)->tp_dictoffset == 0);
STAT_INC(LOAD_ATTR, hit);
assert(descr != NULL);
Py_DECREF(owner);
attr = Py_NewRef(descr);
stack_pointer[-1] = attr;
stack_pointer += (((0) ? 1 : 0));
break;
}
case _CHECK_ATTR_METHOD_LAZY_DICT: {
PyObject *owner;
owner = stack_pointer[-1];
Py_ssize_t dictoffset = Py_TYPE(owner)->tp_dictoffset;
assert(dictoffset > 0);
PyObject *dict = *(PyObject **)((char *)owner + dictoffset);
/* This object has a __dict__, just not yet created */
if (dict != NULL) goto deoptimize;
break;
}
case _LOAD_ATTR_METHOD_LAZY_DICT: {
PyObject *owner;
PyObject *attr;
PyObject *self = NULL;
oparg = CURRENT_OPARG();
owner = stack_pointer[-1];
PyObject *descr = (PyObject *)CURRENT_OPERAND();
assert(oparg & 1);
STAT_INC(LOAD_ATTR, hit);
assert(descr != NULL);
assert(_PyType_HasFeature(Py_TYPE(descr), Py_TPFLAGS_METHOD_DESCRIPTOR));
attr = Py_NewRef(descr);
self = owner;
stack_pointer[-1] = attr;
if (1) stack_pointer[0] = self;
stack_pointer += (((1) ? 1 : 0));
break;
}
/* _INSTRUMENTED_CALL is not a viable micro-op for tier 2 */
/* _CALL is not a viable micro-op for tier 2 */
case _CHECK_CALL_BOUND_METHOD_EXACT_ARGS: {
PyObject *null;
PyObject *callable;
oparg = CURRENT_OPARG();
null = stack_pointer[-1 - oparg];
callable = stack_pointer[-2 - oparg];
if (null != NULL) goto deoptimize;
if (Py_TYPE(callable) != &PyMethod_Type) goto deoptimize;
break;
}
case _INIT_CALL_BOUND_METHOD_EXACT_ARGS: {
PyObject *callable;
PyObject *func;
PyObject *self;
oparg = CURRENT_OPARG();
callable = stack_pointer[-2 - oparg];
STAT_INC(CALL, hit);
self = Py_NewRef(((PyMethodObject *)callable)->im_self);
stack_pointer[-1 - oparg] = self; // Patch stack as it is used by _INIT_CALL_PY_EXACT_ARGS
func = Py_NewRef(((PyMethodObject *)callable)->im_func);
stack_pointer[-2 - oparg] = func; // This is used by CALL, upon deoptimization
Py_DECREF(callable);
stack_pointer[-2 - oparg] = func;
stack_pointer[-1 - oparg] = self;
break;
}
case _CHECK_PEP_523: {
if (tstate->interp->eval_frame) goto deoptimize;
break;
}
case _CHECK_FUNCTION_EXACT_ARGS: {
PyObject *self_or_null;
PyObject *callable;
oparg = CURRENT_OPARG();
self_or_null = stack_pointer[-1 - oparg];
callable = stack_pointer[-2 - oparg];
uint32_t func_version = (uint32_t)CURRENT_OPERAND();
if (!PyFunction_Check(callable)) goto deoptimize;
PyFunctionObject *func = (PyFunctionObject *)callable;
if (func->func_version != func_version) goto deoptimize;
PyCodeObject *code = (PyCodeObject *)func->func_code;
if (code->co_argcount != oparg + (self_or_null != NULL)) goto deoptimize;
break;
}
case _CHECK_STACK_SPACE: {
PyObject *callable;
oparg = CURRENT_OPARG();
callable = stack_pointer[-2 - oparg];
PyFunctionObject *func = (PyFunctionObject *)callable;
PyCodeObject *code = (PyCodeObject *)func->func_code;
if (!_PyThreadState_HasStackSpace(tstate, code->co_framesize)) goto deoptimize;
if (tstate->py_recursion_remaining <= 1) goto deoptimize;
break;
}
case _INIT_CALL_PY_EXACT_ARGS: {
PyObject **args;
PyObject *self_or_null;
PyObject *callable;
_PyInterpreterFrame *new_frame;
oparg = CURRENT_OPARG();
args = &stack_pointer[-oparg];
self_or_null = stack_pointer[-1 - oparg];
callable = stack_pointer[-2 - oparg];
int argcount = oparg;
if (self_or_null != NULL) {
args--;
argcount++;
}
STAT_INC(CALL, hit);
PyFunctionObject *func = (PyFunctionObject *)callable;
new_frame = _PyFrame_PushUnchecked(tstate, func, argcount);
for (int i = 0; i < argcount; i++) {
new_frame->localsplus[i] = args[i];
}
stack_pointer[-2 - oparg] = (PyObject *)new_frame;
stack_pointer += -1 - oparg;
break;
}
case _PUSH_FRAME: {
_PyInterpreterFrame *new_frame;
new_frame = (_PyInterpreterFrame *)stack_pointer[-1];
// Write it out explicitly because it's subtly different.
// Eventually this should be the only occurrence of this code.
assert(tstate->interp->eval_frame == NULL);
stack_pointer += -1;
_PyFrame_SetStackPointer(frame, stack_pointer);
new_frame->previous = frame;
CALL_STAT_INC(inlined_py_calls);
frame = tstate->current_frame = new_frame;
tstate->py_recursion_remaining--;
LOAD_SP();
LOAD_IP(0);
#if LLTRACE && TIER_ONE
lltrace = maybe_lltrace_resume_frame(frame, &entry_frame, GLOBALS());
if (lltrace < 0) {
goto exit_unwind;
}
#endif
stack_pointer += (((0) ? 1 : 0));
break;
}
/* _CALL_PY_WITH_DEFAULTS is not a viable micro-op for tier 2 */
case _CALL_TYPE_1: {
PyObject **args;
PyObject *null;
PyObject *callable;
PyObject *res;
oparg = CURRENT_OPARG();
args = &stack_pointer[-oparg];
null = stack_pointer[-1 - oparg];
callable = stack_pointer[-2 - oparg];
assert(oparg == 1);
if (null != NULL) goto deoptimize;
PyObject *obj = args[0];
if (callable != (PyObject *)&PyType_Type) goto deoptimize;
STAT_INC(CALL, hit);
res = Py_NewRef(Py_TYPE(obj));
Py_DECREF(obj);
Py_DECREF(&PyType_Type); // I.e., callable
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
break;
}
case _CALL_STR_1: {
PyObject **args;
PyObject *null;
PyObject *callable;
PyObject *res;
oparg = CURRENT_OPARG();
args = &stack_pointer[-oparg];
null = stack_pointer[-1 - oparg];
callable = stack_pointer[-2 - oparg];
assert(oparg == 1);
if (null != NULL) goto deoptimize;
if (callable != (PyObject *)&PyUnicode_Type) goto deoptimize;
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_pointer += -2 - oparg; goto error_tier_two; }
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
CHECK_EVAL_BREAKER();
break;
}
case _CALL_TUPLE_1: {
PyObject **args;
PyObject *null;
PyObject *callable;
PyObject *res;
oparg = CURRENT_OPARG();
args = &stack_pointer[-oparg];
null = stack_pointer[-1 - oparg];
callable = stack_pointer[-2 - oparg];
assert(oparg == 1);
if (null != NULL) goto deoptimize;
if (callable != (PyObject *)&PyTuple_Type) goto deoptimize;
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_pointer += -2 - oparg; goto error_tier_two; }
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
CHECK_EVAL_BREAKER();
break;
}
/* _CALL_ALLOC_AND_ENTER_INIT is not a viable micro-op for tier 2 */
case _EXIT_INIT_CHECK: {
PyObject *should_be_none;
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(error);
}
stack_pointer += -1;
break;
}
case _CALL_BUILTIN_CLASS: {
PyObject **args;
PyObject *self_or_null;
PyObject *callable;
PyObject *res;
oparg = CURRENT_OPARG();
args = &stack_pointer[-oparg];
self_or_null = stack_pointer[-1 - oparg];
callable = stack_pointer[-2 - oparg];
int total_args = oparg;
if (self_or_null != NULL) {
args--;
total_args++;
}
if (!PyType_Check(callable)) goto deoptimize;
PyTypeObject *tp = (PyTypeObject *)callable;
if (tp->tp_vectorcall == NULL) goto deoptimize;
STAT_INC(CALL, hit);
res = tp->tp_vectorcall((PyObject *)tp, args, total_args, NULL);
/* Free the arguments. */
for (int i = 0; i < total_args; i++) {
Py_DECREF(args[i]);
}
Py_DECREF(tp);
if (res == NULL) { stack_pointer += -2 - oparg; goto error_tier_two; }
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
CHECK_EVAL_BREAKER();
break;
}
case _CALL_BUILTIN_O: {
PyObject **args;
PyObject *self_or_null;
PyObject *callable;
PyObject *res;
oparg = CURRENT_OPARG();
args = &stack_pointer[-oparg];
self_or_null = stack_pointer[-1 - oparg];
callable = stack_pointer[-2 - oparg];
/* Builtin METH_O functions */
int total_args = oparg;
if (self_or_null != NULL) {
args--;
total_args++;
}
if (total_args != 1) goto deoptimize;
if (!PyCFunction_CheckExact(callable)) goto deoptimize;
if (PyCFunction_GET_FLAGS(callable) != METH_O) goto deoptimize;
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(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_pointer += -2 - oparg; goto error_tier_two; }
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
CHECK_EVAL_BREAKER();
break;
}
case _CALL_BUILTIN_FAST: {
PyObject **args;
PyObject *self_or_null;
PyObject *callable;
PyObject *res;
oparg = CURRENT_OPARG();
args = &stack_pointer[-oparg];
self_or_null = stack_pointer[-1 - oparg];
callable = stack_pointer[-2 - oparg];
/* Builtin METH_FASTCALL functions, without keywords */
int total_args = oparg;
if (self_or_null != NULL) {
args--;
total_args++;
}
if (!PyCFunction_CheckExact(callable)) goto deoptimize;
if (PyCFunction_GET_FLAGS(callable) != METH_FASTCALL) goto deoptimize;
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_pointer += -2 - oparg; goto error_tier_two; }
/* 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_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
CHECK_EVAL_BREAKER();
break;
}
case _CALL_BUILTIN_FAST_WITH_KEYWORDS: {
PyObject **args;
PyObject *self_or_null;
PyObject *callable;
PyObject *res;
oparg = CURRENT_OPARG();
args = &stack_pointer[-oparg];
self_or_null = stack_pointer[-1 - oparg];
callable = stack_pointer[-2 - oparg];
/* Builtin METH_FASTCALL | METH_KEYWORDS functions */
int total_args = oparg;
if (self_or_null != NULL) {
args--;
total_args++;
}
if (!PyCFunction_CheckExact(callable)) goto deoptimize;
if (PyCFunction_GET_FLAGS(callable) != (METH_FASTCALL | METH_KEYWORDS)) goto deoptimize;
STAT_INC(CALL, hit);
/* res = func(self, args, nargs, kwnames) */
_PyCFunctionFastWithKeywords cfunc =
(_PyCFunctionFastWithKeywords)(void(*)(void))
PyCFunction_GET_FUNCTION(callable);
res = cfunc(PyCFunction_GET_SELF(callable), args, total_args, NULL);
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_pointer += -2 - oparg; goto error_tier_two; }
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
CHECK_EVAL_BREAKER();
break;
}
case _CALL_LEN: {
PyObject **args;
PyObject *self_or_null;
PyObject *callable;
PyObject *res;
oparg = CURRENT_OPARG();
args = &stack_pointer[-oparg];
self_or_null = stack_pointer[-1 - oparg];
callable = stack_pointer[-2 - oparg];
/* len(o) */
int total_args = oparg;
if (self_or_null != NULL) {
args--;
total_args++;
}
if (total_args != 1) goto deoptimize;
PyInterpreterState *interp = tstate->interp;
if (callable != interp->callable_cache.len) goto deoptimize;
STAT_INC(CALL, hit);
PyObject *arg = args[0];
Py_ssize_t len_i = PyObject_Length(arg);
if (len_i < 0) {
GOTO_ERROR(error);
}
res = PyLong_FromSsize_t(len_i);
assert((res != NULL) ^ (_PyErr_Occurred(tstate) != NULL));
Py_DECREF(callable);
Py_DECREF(arg);
if (res == NULL) { stack_pointer += -2 - oparg; goto error_tier_two; }
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
break;
}
case _CALL_ISINSTANCE: {
PyObject **args;
PyObject *self_or_null;
PyObject *callable;
PyObject *res;
oparg = CURRENT_OPARG();
args = &stack_pointer[-oparg];
self_or_null = stack_pointer[-1 - oparg];
callable = stack_pointer[-2 - oparg];
/* isinstance(o, o2) */
int total_args = oparg;
if (self_or_null != NULL) {
args--;
total_args++;
}
if (total_args != 2) goto deoptimize;
PyInterpreterState *interp = tstate->interp;
if (callable != interp->callable_cache.isinstance) goto deoptimize;
STAT_INC(CALL, hit);
PyObject *cls = args[1];
PyObject *inst = args[0];
int retval = PyObject_IsInstance(inst, cls);
if (retval < 0) {
GOTO_ERROR(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_pointer += -2 - oparg; goto error_tier_two; }
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
break;
}
case _CALL_LIST_APPEND: {
PyObject **args;
PyObject *self;
PyObject *callable;
oparg = CURRENT_OPARG();
args = &stack_pointer[-oparg];
self = stack_pointer[-1 - oparg];
callable = stack_pointer[-2 - oparg];
assert(oparg == 1);
PyInterpreterState *interp = tstate->interp;
if (callable != interp->callable_cache.list_append) goto deoptimize;
assert(self != NULL);
if (!PyList_Check(self)) goto deoptimize;
STAT_INC(CALL, hit);
if (_PyList_AppendTakeRef((PyListObject *)self, args[0]) < 0) {
goto pop_1_error; // Since arg is DECREF'ed already
}
Py_DECREF(self);
Py_DECREF(callable);
STACK_SHRINK(3);
// Skip POP_TOP
assert(next_instr->op.code == POP_TOP);
SKIP_OVER(1);
DISPATCH();
}
case _CALL_METHOD_DESCRIPTOR_O: {
PyObject **args;
PyObject *self_or_null;
PyObject *callable;
PyObject *res;
oparg = CURRENT_OPARG();
args = &stack_pointer[-oparg];
self_or_null = stack_pointer[-1 - oparg];
callable = stack_pointer[-2 - oparg];
int total_args = oparg;
if (self_or_null != NULL) {
args--;
total_args++;
}
PyMethodDescrObject *method = (PyMethodDescrObject *)callable;
if (total_args != 2) goto deoptimize;
if (!Py_IS_TYPE(method, &PyMethodDescr_Type)) goto deoptimize;
PyMethodDef *meth = method->d_method;
if (meth->ml_flags != METH_O) goto deoptimize;
PyObject *arg = args[1];
PyObject *self = args[0];
if (!Py_IS_TYPE(self, method->d_common.d_type)) goto deoptimize;
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(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_pointer += -2 - oparg; goto error_tier_two; }
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
CHECK_EVAL_BREAKER();
break;
}
case _CALL_METHOD_DESCRIPTOR_FAST_WITH_KEYWORDS: {
PyObject **args;
PyObject *self_or_null;
PyObject *callable;
PyObject *res;
oparg = CURRENT_OPARG();
args = &stack_pointer[-oparg];
self_or_null = stack_pointer[-1 - oparg];
callable = stack_pointer[-2 - oparg];
int total_args = oparg;
if (self_or_null != NULL) {
args--;
total_args++;
}
PyMethodDescrObject *method = (PyMethodDescrObject *)callable;
if (!Py_IS_TYPE(method, &PyMethodDescr_Type)) goto deoptimize;
PyMethodDef *meth = method->d_method;
if (meth->ml_flags != (METH_FASTCALL|METH_KEYWORDS)) goto deoptimize;
PyTypeObject *d_type = method->d_common.d_type;
PyObject *self = args[0];
if (!Py_IS_TYPE(self, d_type)) goto deoptimize;
STAT_INC(CALL, hit);
int nargs = total_args - 1;
_PyCFunctionFastWithKeywords cfunc =
(_PyCFunctionFastWithKeywords)(void(*)(void))meth->ml_meth;
res = cfunc(self, args + 1, nargs, NULL);
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_pointer += -2 - oparg; goto error_tier_two; }
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
CHECK_EVAL_BREAKER();
break;
}
case _CALL_METHOD_DESCRIPTOR_NOARGS: {
PyObject **args;
PyObject *self_or_null;
PyObject *callable;
PyObject *res;
oparg = CURRENT_OPARG();
args = &stack_pointer[-oparg];
self_or_null = stack_pointer[-1 - oparg];
callable = stack_pointer[-2 - oparg];
assert(oparg == 0 || oparg == 1);
int total_args = oparg;
if (self_or_null != NULL) {
args--;
total_args++;
}
if (total_args != 1) goto deoptimize;
PyMethodDescrObject *method = (PyMethodDescrObject *)callable;
if (!Py_IS_TYPE(method, &PyMethodDescr_Type)) goto deoptimize;
PyMethodDef *meth = method->d_method;
PyObject *self = args[0];
if (!Py_IS_TYPE(self, method->d_common.d_type)) goto deoptimize;
if (meth->ml_flags != METH_NOARGS) goto deoptimize;
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(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_pointer += -2 - oparg; goto error_tier_two; }
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
CHECK_EVAL_BREAKER();
break;
}
case _CALL_METHOD_DESCRIPTOR_FAST: {
PyObject **args;
PyObject *self_or_null;
PyObject *callable;
PyObject *res;
oparg = CURRENT_OPARG();
args = &stack_pointer[-oparg];
self_or_null = stack_pointer[-1 - oparg];
callable = stack_pointer[-2 - oparg];
int total_args = oparg;
if (self_or_null != NULL) {
args--;
total_args++;
}
PyMethodDescrObject *method = (PyMethodDescrObject *)callable;
/* Builtin METH_FASTCALL methods, without keywords */
if (!Py_IS_TYPE(method, &PyMethodDescr_Type)) goto deoptimize;
PyMethodDef *meth = method->d_method;
if (meth->ml_flags != METH_FASTCALL) goto deoptimize;
PyObject *self = args[0];
if (!Py_IS_TYPE(self, method->d_common.d_type)) goto deoptimize;
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_pointer += -2 - oparg; goto error_tier_two; }
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
CHECK_EVAL_BREAKER();
break;
}
/* _INSTRUMENTED_CALL_KW is not a viable micro-op for tier 2 */
/* _CALL_KW is not a viable micro-op for tier 2 */
/* _INSTRUMENTED_CALL_FUNCTION_EX is not a viable micro-op for tier 2 */
/* _CALL_FUNCTION_EX is not a viable micro-op for tier 2 */
case _MAKE_FUNCTION: {
PyObject *codeobj;
PyObject *func;
codeobj = stack_pointer[-1];
PyFunctionObject *func_obj = (PyFunctionObject *)
PyFunction_New(codeobj, GLOBALS());
Py_DECREF(codeobj);
if (func_obj == NULL) {
GOTO_ERROR(error);
}
_PyFunction_SetVersion(
func_obj, ((PyCodeObject *)codeobj)->co_version);
func = (PyObject *)func_obj;
stack_pointer[-1] = func;
break;
}
case _SET_FUNCTION_ATTRIBUTE: {
PyObject *func;
PyObject *attr;
oparg = CURRENT_OPARG();
func = stack_pointer[-1];
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_pointer[-2] = func;
stack_pointer += -1;
break;
}
case _RETURN_GENERATOR: {
assert(PyFunction_Check(frame->f_funcobj));
PyFunctionObject *func = (PyFunctionObject *)frame->f_funcobj;
PyGenObject *gen = (PyGenObject *)_Py_MakeCoro(func);
if (gen == NULL) {
GOTO_ERROR(error);
}
assert(EMPTY());
_PyFrame_SetStackPointer(frame, stack_pointer);
_PyInterpreterFrame *gen_frame = (_PyInterpreterFrame *)gen->gi_iframe;
frame->instr_ptr = next_instr;
_PyFrame_Copy(frame, gen_frame);
assert(frame->frame_obj == NULL);
gen->gi_frame_state = FRAME_CREATED;
gen_frame->owner = FRAME_OWNED_BY_GENERATOR;
_Py_LeaveRecursiveCallPy(tstate);
assert(frame != &entry_frame);
_PyInterpreterFrame *prev = frame->previous;
_PyThreadState_PopFrame(tstate, frame);
frame = tstate->current_frame = prev;
_PyFrame_StackPush(frame, (PyObject *)gen);
LOAD_IP(frame->return_offset);
goto resume_frame;
}
case _BUILD_SLICE: {
PyObject *step = NULL;
PyObject *stop;
PyObject *start;
PyObject *slice;
oparg = CURRENT_OPARG();
if (oparg == 3) { step = stack_pointer[-(((oparg == 3) ? 1 : 0))]; }
stop = stack_pointer[-1 - (((oparg == 3) ? 1 : 0))];
start = stack_pointer[-2 - (((oparg == 3) ? 1 : 0))];
slice = PySlice_New(start, stop, step);
Py_DECREF(start);
Py_DECREF(stop);
Py_XDECREF(step);
if (slice == NULL) { stack_pointer += -2 - (((oparg == 3) ? 1 : 0)); goto error_tier_two; }
stack_pointer[-2 - (((oparg == 3) ? 1 : 0))] = slice;
stack_pointer += -1 - (((oparg == 3) ? 1 : 0));
break;
}
case _CONVERT_VALUE: {
PyObject *value;
PyObject *result;
oparg = CURRENT_OPARG();
value = stack_pointer[-1];
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_tier_two;
stack_pointer[-1] = result;
break;
}
case _FORMAT_SIMPLE: {
PyObject *value;
PyObject *res;
value = stack_pointer[-1];
/* 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_tier_two;
}
else {
res = value;
}
stack_pointer[-1] = res;
break;
}
case _FORMAT_WITH_SPEC: {
PyObject *fmt_spec;
PyObject *value;
PyObject *res;
fmt_spec = stack_pointer[-1];
value = stack_pointer[-2];
res = PyObject_Format(value, fmt_spec);
Py_DECREF(value);
Py_DECREF(fmt_spec);
if (res == NULL) goto pop_2_error_tier_two;
stack_pointer[-2] = res;
stack_pointer += -1;
break;
}
case _COPY: {
PyObject *bottom;
PyObject *top;
oparg = CURRENT_OPARG();
bottom = stack_pointer[-1 - (oparg-1)];
assert(oparg > 0);
top = Py_NewRef(bottom);
stack_pointer[0] = top;
stack_pointer += 1;
break;
}
case _BINARY_OP: {
PyObject *rhs;
PyObject *lhs;
PyObject *res;
oparg = CURRENT_OPARG();
rhs = stack_pointer[-1];
lhs = stack_pointer[-2];
assert(_PyEval_BinaryOps[oparg]);
res = _PyEval_BinaryOps[oparg](lhs, rhs);
Py_DECREF(lhs);
Py_DECREF(rhs);
if (res == NULL) goto pop_2_error_tier_two;
stack_pointer[-2] = res;
stack_pointer += -1;
break;
}
case _SWAP: {
PyObject *top;
PyObject *bottom;
oparg = CURRENT_OPARG();
top = stack_pointer[-1];
bottom = stack_pointer[-2 - (oparg-2)];
assert(oparg >= 2);
stack_pointer[-2 - (oparg-2)] = top;
stack_pointer[-1] = bottom;
break;
}
/* _INSTRUMENTED_INSTRUCTION is not a viable micro-op for tier 2 */
/* _INSTRUMENTED_JUMP_FORWARD is not a viable micro-op for tier 2 */
/* _INSTRUMENTED_JUMP_BACKWARD is not a viable micro-op for tier 2 */
/* _INSTRUMENTED_POP_JUMP_IF_TRUE is not a viable micro-op for tier 2 */
/* _INSTRUMENTED_POP_JUMP_IF_FALSE is not a viable micro-op for tier 2 */
/* _INSTRUMENTED_POP_JUMP_IF_NONE is not a viable micro-op for tier 2 */
/* _INSTRUMENTED_POP_JUMP_IF_NOT_NONE is not a viable micro-op for tier 2 */
case _GUARD_IS_TRUE_POP: {
PyObject *flag;
flag = stack_pointer[-1];
if (Py_IsFalse(flag)) goto deoptimize;
assert(Py_IsTrue(flag));
stack_pointer += -1;
break;
}
case _GUARD_IS_FALSE_POP: {
PyObject *flag;
flag = stack_pointer[-1];
if (Py_IsTrue(flag)) goto deoptimize;
assert(Py_IsFalse(flag));
stack_pointer += -1;
break;
}
case _GUARD_IS_NONE_POP: {
PyObject *val;
val = stack_pointer[-1];
if (!Py_IsNone(val)) goto deoptimize;
stack_pointer += -1;
break;
}
case _GUARD_IS_NOT_NONE_POP: {
PyObject *val;
val = stack_pointer[-1];
if (Py_IsNone(val)) goto deoptimize;
Py_DECREF(val);
stack_pointer += -1;
break;
}
case _JUMP_TO_TOP: {
next_uop = current_executor->trace;
CHECK_EVAL_BREAKER();
break;
}
case _SET_IP: {
oparg = CURRENT_OPARG();
TIER_TWO_ONLY
// TODO: Put the code pointer in `operand` to avoid indirection via `frame`
frame->instr_ptr = _PyCode_CODE(_PyFrame_GetCode(frame)) + oparg;
break;
}
case _SAVE_RETURN_OFFSET: {
oparg = CURRENT_OPARG();
#if TIER_ONE
frame->return_offset = (uint16_t)(next_instr - this_instr);
#endif
#if TIER_TWO
frame->return_offset = oparg;
#endif
break;
}
case _EXIT_TRACE: {
TIER_TWO_ONLY
GOTO_TIER_ONE();
break;
}
case _INSERT: {
PyObject *top;
oparg = CURRENT_OPARG();
top = stack_pointer[-1];
// Inserts TOS at position specified by oparg;
memmove(&stack_pointer[-1 - oparg], &stack_pointer[-oparg], oparg * sizeof(stack_pointer[0]));
stack_pointer[-1 - oparg] = top;
break;
}
case _CHECK_VALIDITY: {
TIER_TWO_ONLY
if (!current_executor->base.vm_data.valid) goto deoptimize;
break;
}
#undef TIER_TWO
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