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cpython/Python/generated_cases.c.h

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// This file is generated by Tools/cases_generator/tier1_generator.py
// from:
// Python/bytecodes.c
// Do not edit!
#ifdef TIER_TWO
#error "This file is for Tier 1 only"
#endif
#define TIER_ONE 1
TARGET(BEFORE_ASYNC_WITH) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(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;
}
stack_pointer[-1] = exit;
stack_pointer[0] = res;
stack_pointer += 1;
DISPATCH();
}
TARGET(BEFORE_WITH) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(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;
}
stack_pointer[-1] = exit;
stack_pointer[0] = res;
stack_pointer += 1;
DISPATCH();
}
TARGET(BINARY_OP) {
frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(BINARY_OP);
PREDICTED(BINARY_OP);
_Py_CODEUNIT *this_instr = next_instr - 2;
PyObject *rhs;
PyObject *lhs;
PyObject *res;
// _SPECIALIZE_BINARY_OP
rhs = stack_pointer[-1];
lhs = stack_pointer[-2];
{
uint16_t counter = read_u16(&this_instr[1].cache);
TIER_ONE_ONLY
#if ENABLE_SPECIALIZATION
if (ADAPTIVE_COUNTER_IS_ZERO(counter)) {
next_instr = this_instr;
_Py_Specialize_BinaryOp(lhs, rhs, next_instr, oparg, LOCALS_ARRAY);
DISPATCH_SAME_OPARG();
}
STAT_INC(BINARY_OP, deferred);
DECREMENT_ADAPTIVE_COUNTER(this_instr[1].cache);
#endif /* ENABLE_SPECIALIZATION */
assert(NB_ADD <= oparg);
assert(oparg <= NB_INPLACE_XOR);
}
// _BINARY_OP
{
assert(_PyEval_BinaryOps[oparg]);
res = _PyEval_BinaryOps[oparg](lhs, rhs);
Py_DECREF(lhs);
Py_DECREF(rhs);
if (res == NULL) goto pop_2_error;
}
stack_pointer[-2] = res;
stack_pointer += -1;
DISPATCH();
}
TARGET(BINARY_OP_ADD_FLOAT) {
frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(BINARY_OP_ADD_FLOAT);
static_assert(INLINE_CACHE_ENTRIES_BINARY_OP == 1, "incorrect cache size");
PyObject *right;
PyObject *left;
PyObject *res;
// _GUARD_BOTH_FLOAT
right = stack_pointer[-1];
left = stack_pointer[-2];
{
DEOPT_IF(!PyFloat_CheckExact(left), BINARY_OP);
DEOPT_IF(!PyFloat_CheckExact(right), BINARY_OP);
}
/* Skip 1 cache entry */
// _BINARY_OP_ADD_FLOAT
{
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;
DISPATCH();
}
TARGET(BINARY_OP_ADD_INT) {
frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(BINARY_OP_ADD_INT);
static_assert(INLINE_CACHE_ENTRIES_BINARY_OP == 1, "incorrect cache size");
PyObject *right;
PyObject *left;
PyObject *res;
// _GUARD_BOTH_INT
right = stack_pointer[-1];
left = stack_pointer[-2];
{
DEOPT_IF(!PyLong_CheckExact(left), BINARY_OP);
DEOPT_IF(!PyLong_CheckExact(right), BINARY_OP);
}
/* Skip 1 cache entry */
// _BINARY_OP_ADD_INT
{
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_pointer[-2] = res;
stack_pointer += -1;
DISPATCH();
}
TARGET(BINARY_OP_ADD_UNICODE) {
frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(BINARY_OP_ADD_UNICODE);
static_assert(INLINE_CACHE_ENTRIES_BINARY_OP == 1, "incorrect cache size");
PyObject *right;
PyObject *left;
PyObject *res;
// _GUARD_BOTH_UNICODE
right = stack_pointer[-1];
left = stack_pointer[-2];
{
DEOPT_IF(!PyUnicode_CheckExact(left), BINARY_OP);
DEOPT_IF(!PyUnicode_CheckExact(right), BINARY_OP);
}
/* Skip 1 cache entry */
// _BINARY_OP_ADD_UNICODE
{
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_pointer[-2] = res;
stack_pointer += -1;
DISPATCH();
}
TARGET(BINARY_OP_INPLACE_ADD_UNICODE) {
frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(BINARY_OP_INPLACE_ADD_UNICODE);
static_assert(INLINE_CACHE_ENTRIES_BINARY_OP == 1, "incorrect cache size");
PyObject *right;
PyObject *left;
// _GUARD_BOTH_UNICODE
right = stack_pointer[-1];
left = stack_pointer[-2];
{
DEOPT_IF(!PyUnicode_CheckExact(left), BINARY_OP);
DEOPT_IF(!PyUnicode_CheckExact(right), BINARY_OP);
}
/* Skip 1 cache entry */
// _BINARY_OP_INPLACE_ADD_UNICODE
{
TIER_ONE_ONLY
assert(next_instr->op.code == STORE_FAST);
PyObject **target_local = &GETLOCAL(next_instr->op.arg);
DEOPT_IF(*target_local != left, BINARY_OP);
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;
// The STORE_FAST is already done.
assert(next_instr->op.code == STORE_FAST);
SKIP_OVER(1);
}
stack_pointer += -2;
DISPATCH();
}
TARGET(BINARY_OP_MULTIPLY_FLOAT) {
frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(BINARY_OP_MULTIPLY_FLOAT);
static_assert(INLINE_CACHE_ENTRIES_BINARY_OP == 1, "incorrect cache size");
PyObject *right;
PyObject *left;
PyObject *res;
// _GUARD_BOTH_FLOAT
right = stack_pointer[-1];
left = stack_pointer[-2];
{
DEOPT_IF(!PyFloat_CheckExact(left), BINARY_OP);
DEOPT_IF(!PyFloat_CheckExact(right), BINARY_OP);
}
/* Skip 1 cache entry */
// _BINARY_OP_MULTIPLY_FLOAT
{
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;
DISPATCH();
}
TARGET(BINARY_OP_MULTIPLY_INT) {
frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(BINARY_OP_MULTIPLY_INT);
static_assert(INLINE_CACHE_ENTRIES_BINARY_OP == 1, "incorrect cache size");
PyObject *right;
PyObject *left;
PyObject *res;
// _GUARD_BOTH_INT
right = stack_pointer[-1];
left = stack_pointer[-2];
{
DEOPT_IF(!PyLong_CheckExact(left), BINARY_OP);
DEOPT_IF(!PyLong_CheckExact(right), BINARY_OP);
}
/* Skip 1 cache entry */
// _BINARY_OP_MULTIPLY_INT
{
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_pointer[-2] = res;
stack_pointer += -1;
DISPATCH();
}
TARGET(BINARY_OP_SUBTRACT_FLOAT) {
frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(BINARY_OP_SUBTRACT_FLOAT);
static_assert(INLINE_CACHE_ENTRIES_BINARY_OP == 1, "incorrect cache size");
PyObject *right;
PyObject *left;
PyObject *res;
// _GUARD_BOTH_FLOAT
right = stack_pointer[-1];
left = stack_pointer[-2];
{
DEOPT_IF(!PyFloat_CheckExact(left), BINARY_OP);
DEOPT_IF(!PyFloat_CheckExact(right), BINARY_OP);
}
/* Skip 1 cache entry */
// _BINARY_OP_SUBTRACT_FLOAT
{
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;
DISPATCH();
}
TARGET(BINARY_OP_SUBTRACT_INT) {
frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(BINARY_OP_SUBTRACT_INT);
static_assert(INLINE_CACHE_ENTRIES_BINARY_OP == 1, "incorrect cache size");
PyObject *right;
PyObject *left;
PyObject *res;
// _GUARD_BOTH_INT
right = stack_pointer[-1];
left = stack_pointer[-2];
{
DEOPT_IF(!PyLong_CheckExact(left), BINARY_OP);
DEOPT_IF(!PyLong_CheckExact(right), BINARY_OP);
}
/* Skip 1 cache entry */
// _BINARY_OP_SUBTRACT_INT
{
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_pointer[-2] = res;
stack_pointer += -1;
DISPATCH();
}
TARGET(BINARY_SLICE) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(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;
stack_pointer[-3] = res;
stack_pointer += -2;
DISPATCH();
}
TARGET(BINARY_SUBSCR) {
frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(BINARY_SUBSCR);
PREDICTED(BINARY_SUBSCR);
_Py_CODEUNIT *this_instr = next_instr - 2;
PyObject *sub;
PyObject *container;
PyObject *res;
// _SPECIALIZE_BINARY_SUBSCR
sub = stack_pointer[-1];
container = stack_pointer[-2];
{
uint16_t counter = read_u16(&this_instr[1].cache);
TIER_ONE_ONLY
#if ENABLE_SPECIALIZATION
if (ADAPTIVE_COUNTER_IS_ZERO(counter)) {
next_instr = this_instr;
_Py_Specialize_BinarySubscr(container, sub, next_instr);
DISPATCH_SAME_OPARG();
}
STAT_INC(BINARY_SUBSCR, deferred);
DECREMENT_ADAPTIVE_COUNTER(this_instr[1].cache);
#endif /* ENABLE_SPECIALIZATION */
}
// _BINARY_SUBSCR
{
res = PyObject_GetItem(container, sub);
Py_DECREF(container);
Py_DECREF(sub);
if (res == NULL) goto pop_2_error;
}
stack_pointer[-2] = res;
stack_pointer += -1;
DISPATCH();
}
TARGET(BINARY_SUBSCR_DICT) {
frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(BINARY_SUBSCR_DICT);
static_assert(INLINE_CACHE_ENTRIES_BINARY_SUBSCR == 1, "incorrect cache size");
PyObject *sub;
PyObject *dict;
PyObject *res;
/* Skip 1 cache entry */
sub = stack_pointer[-1];
dict = stack_pointer[-2];
DEOPT_IF(!PyDict_CheckExact(dict), BINARY_SUBSCR);
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;
// not found or error
stack_pointer[-2] = res;
stack_pointer += -1;
DISPATCH();
}
TARGET(BINARY_SUBSCR_GETITEM) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(BINARY_SUBSCR_GETITEM);
static_assert(INLINE_CACHE_ENTRIES_BINARY_SUBSCR == 1, "incorrect cache size");
PyObject *sub;
PyObject *container;
/* Skip 1 cache entry */
sub = stack_pointer[-1];
container = stack_pointer[-2];
DEOPT_IF(tstate->interp->eval_frame, BINARY_SUBSCR);
PyTypeObject *tp = Py_TYPE(container);
DEOPT_IF(!PyType_HasFeature(tp, Py_TPFLAGS_HEAPTYPE), BINARY_SUBSCR);
PyHeapTypeObject *ht = (PyHeapTypeObject *)tp;
PyObject *cached = ht->_spec_cache.getitem;
DEOPT_IF(cached == NULL, BINARY_SUBSCR);
assert(PyFunction_Check(cached));
PyFunctionObject *getitem = (PyFunctionObject *)cached;
uint32_t cached_version = ht->_spec_cache.getitem_version;
DEOPT_IF(getitem->func_version != cached_version, BINARY_SUBSCR);
PyCodeObject *code = (PyCodeObject *)getitem->func_code;
assert(code->co_argcount == 2);
DEOPT_IF(!_PyThreadState_HasStackSpace(tstate, code->co_framesize), BINARY_SUBSCR);
STAT_INC(BINARY_SUBSCR, hit);
Py_INCREF(getitem);
_PyInterpreterFrame *new_frame = _PyFrame_PushUnchecked(tstate, getitem, 2);
STACK_SHRINK(2);
new_frame->localsplus[0] = container;
new_frame->localsplus[1] = sub;
frame->return_offset = (uint16_t)(next_instr - this_instr);
DISPATCH_INLINED(new_frame);
}
TARGET(BINARY_SUBSCR_LIST_INT) {
frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(BINARY_SUBSCR_LIST_INT);
static_assert(INLINE_CACHE_ENTRIES_BINARY_SUBSCR == 1, "incorrect cache size");
PyObject *sub;
PyObject *list;
PyObject *res;
/* Skip 1 cache entry */
sub = stack_pointer[-1];
list = stack_pointer[-2];
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_pointer[-2] = res;
stack_pointer += -1;
DISPATCH();
}
TARGET(BINARY_SUBSCR_STR_INT) {
frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(BINARY_SUBSCR_STR_INT);
static_assert(INLINE_CACHE_ENTRIES_BINARY_SUBSCR == 1, "incorrect cache size");
PyObject *sub;
PyObject *str;
PyObject *res;
/* Skip 1 cache entry */
sub = stack_pointer[-1];
str = stack_pointer[-2];
DEOPT_IF(!PyLong_CheckExact(sub), BINARY_SUBSCR);
DEOPT_IF(!PyUnicode_CheckExact(str), BINARY_SUBSCR);
DEOPT_IF(!_PyLong_IsNonNegativeCompact((PyLongObject *)sub), BINARY_SUBSCR);
Py_ssize_t index = ((PyLongObject*)sub)->long_value.ob_digit[0];
DEOPT_IF(PyUnicode_GET_LENGTH(str) <= index, BINARY_SUBSCR);
// Specialize for reading an ASCII character from any string:
Py_UCS4 c = PyUnicode_READ_CHAR(str, index);
DEOPT_IF(Py_ARRAY_LENGTH(_Py_SINGLETON(strings).ascii) <= c, BINARY_SUBSCR);
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;
DISPATCH();
}
TARGET(BINARY_SUBSCR_TUPLE_INT) {
frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(BINARY_SUBSCR_TUPLE_INT);
static_assert(INLINE_CACHE_ENTRIES_BINARY_SUBSCR == 1, "incorrect cache size");
PyObject *sub;
PyObject *tuple;
PyObject *res;
/* Skip 1 cache entry */
sub = stack_pointer[-1];
tuple = stack_pointer[-2];
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_pointer[-2] = res;
stack_pointer += -1;
DISPATCH();
}
TARGET(BUILD_CONST_KEY_MAP) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(BUILD_CONST_KEY_MAP);
PyObject *keys;
PyObject **values;
PyObject *map;
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; }
stack_pointer[-1 - oparg] = map;
stack_pointer += -oparg;
DISPATCH();
}
TARGET(BUILD_LIST) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(BUILD_LIST);
PyObject **values;
PyObject *list;
values = &stack_pointer[-oparg];
list = _PyList_FromArraySteal(values, oparg);
if (list == NULL) { stack_pointer += -oparg; goto error; }
stack_pointer[-oparg] = list;
stack_pointer += 1 - oparg;
DISPATCH();
}
TARGET(BUILD_MAP) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(BUILD_MAP);
PyObject **values;
PyObject *map;
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; }
stack_pointer[-oparg*2] = map;
stack_pointer += 1 - oparg*2;
DISPATCH();
}
TARGET(BUILD_SET) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(BUILD_SET);
PyObject **values;
PyObject *set;
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; }
}
stack_pointer[-oparg] = set;
stack_pointer += 1 - oparg;
DISPATCH();
}
TARGET(BUILD_SLICE) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(BUILD_SLICE);
PyObject *step = NULL;
PyObject *stop;
PyObject *start;
PyObject *slice;
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; }
stack_pointer[-2 - ((oparg == 3) ? 1 : 0)] = slice;
stack_pointer += -1 - ((oparg == 3) ? 1 : 0);
DISPATCH();
}
TARGET(BUILD_STRING) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(BUILD_STRING);
PyObject **pieces;
PyObject *str;
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; }
stack_pointer[-oparg] = str;
stack_pointer += 1 - oparg;
DISPATCH();
}
TARGET(BUILD_TUPLE) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(BUILD_TUPLE);
PyObject **values;
PyObject *tup;
values = &stack_pointer[-oparg];
tup = _PyTuple_FromArraySteal(values, oparg);
if (tup == NULL) { stack_pointer += -oparg; goto error; }
stack_pointer[-oparg] = tup;
stack_pointer += 1 - oparg;
DISPATCH();
}
TARGET(CACHE) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(CACHE);
TIER_ONE_ONLY
assert(0 && "Executing a cache.");
Py_UNREACHABLE();
}
TARGET(CALL) {
frame->instr_ptr = next_instr;
next_instr += 4;
INSTRUCTION_STATS(CALL);
PREDICTED(CALL);
_Py_CODEUNIT *this_instr = next_instr - 4;
PyObject **args;
PyObject *self_or_null;
PyObject *callable;
PyObject *res;
// _SPECIALIZE_CALL
args = &stack_pointer[-oparg];
self_or_null = stack_pointer[-1 - oparg];
callable = stack_pointer[-2 - oparg];
{
uint16_t counter = read_u16(&this_instr[1].cache);
TIER_ONE_ONLY
#if ENABLE_SPECIALIZATION
if (ADAPTIVE_COUNTER_IS_ZERO(counter)) {
next_instr = this_instr;
_Py_Specialize_Call(callable, next_instr, oparg + (self_or_null != NULL));
DISPATCH_SAME_OPARG();
}
STAT_INC(CALL, deferred);
DECREMENT_ADAPTIVE_COUNTER(this_instr[1].cache);
#endif /* ENABLE_SPECIALIZATION */
}
/* Skip 2 cache entries */
// _CALL
{
// oparg counts all of the args, but *not* self:
int total_args = oparg;
if (self_or_null != NULL) {
args--;
total_args++;
}
else if (Py_TYPE(callable) == &PyMethod_Type) {
args--;
total_args++;
PyObject *self = ((PyMethodObject *)callable)->im_self;
args[0] = Py_NewRef(self);
PyObject *method = ((PyMethodObject *)callable)->im_func;
args[-1] = Py_NewRef(method);
Py_DECREF(callable);
callable = method;
}
// Check if the call can be inlined or not
if (Py_TYPE(callable) == &PyFunction_Type &&
tstate->interp->eval_frame == NULL &&
((PyFunctionObject *)callable)->vectorcall == _PyFunction_Vectorcall)
{
int code_flags = ((PyCodeObject*)PyFunction_GET_CODE(callable))->co_flags;
PyObject *locals = code_flags & CO_OPTIMIZED ? NULL : Py_NewRef(PyFunction_GET_GLOBALS(callable));
_PyInterpreterFrame *new_frame = _PyEvalFramePushAndInit(
tstate, (PyFunctionObject *)callable, locals,
args, total_args, NULL
);
// Manipulate stack directly since we leave using DISPATCH_INLINED().
STACK_SHRINK(oparg + 2);
// The frame has stolen all the arguments from the stack,
// so there is no need to clean them up.
if (new_frame == NULL) {
GOTO_ERROR(error);
}
frame->return_offset = (uint16_t)(next_instr - this_instr);
DISPATCH_INLINED(new_frame);
}
/* Callable is not a normal Python function */
res = PyObject_Vectorcall(
callable, args,
total_args | PY_VECTORCALL_ARGUMENTS_OFFSET,
NULL);
if (opcode == INSTRUMENTED_CALL) {
PyObject *arg = total_args == 0 ?
&_PyInstrumentation_MISSING : args[0];
if (res == NULL) {
_Py_call_instrumentation_exc2(
tstate, PY_MONITORING_EVENT_C_RAISE,
frame, this_instr, callable, arg);
}
else {
int err = _Py_call_instrumentation_2args(
tstate, PY_MONITORING_EVENT_C_RETURN,
frame, this_instr, callable, arg);
if (err < 0) {
Py_CLEAR(res);
}
}
}
assert((res != NULL) ^ (_PyErr_Occurred(tstate) != NULL));
Py_DECREF(callable);
for (int i = 0; i < total_args; i++) {
Py_DECREF(args[i]);
}
if (res == NULL) { stack_pointer += -2 - oparg; goto error; }
}
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
CHECK_EVAL_BREAKER();
DISPATCH();
}
TARGET(CALL_ALLOC_AND_ENTER_INIT) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 4;
INSTRUCTION_STATS(CALL_ALLOC_AND_ENTER_INIT);
static_assert(INLINE_CACHE_ENTRIES_CALL == 3, "incorrect cache size");
PyObject **args;
PyObject *null;
PyObject *callable;
/* Skip 1 cache entry */
/* Skip 2 cache entries */
args = &stack_pointer[-oparg];
null = stack_pointer[-1 - oparg];
callable = stack_pointer[-2 - oparg];
/* This instruction does the following:
* 1. Creates the object (by calling ``object.__new__``)
* 2. Pushes a shim frame to the frame stack (to cleanup after ``__init__``)
* 3. Pushes the frame for ``__init__`` to the frame stack
* */
_PyCallCache *cache = (_PyCallCache *)&this_instr[1];
DEOPT_IF(null != NULL, CALL);
DEOPT_IF(!PyType_Check(callable), CALL);
PyTypeObject *tp = (PyTypeObject *)callable;
DEOPT_IF(tp->tp_version_tag != read_u32(cache->func_version), CALL);
PyHeapTypeObject *cls = (PyHeapTypeObject *)callable;
PyFunctionObject *init = (PyFunctionObject *)cls->_spec_cache.init;
PyCodeObject *code = (PyCodeObject *)init->func_code;
DEOPT_IF(code->co_argcount != oparg+1, CALL);
DEOPT_IF(!_PyThreadState_HasStackSpace(tstate, code->co_framesize + _Py_InitCleanup.co_framesize), CALL);
STAT_INC(CALL, hit);
PyObject *self = _PyType_NewManagedObject(tp);
if (self == NULL) {
GOTO_ERROR(error);
}
Py_DECREF(tp);
_PyInterpreterFrame *shim = _PyFrame_PushTrampolineUnchecked(
tstate, (PyCodeObject *)&_Py_InitCleanup, 1);
assert(_PyCode_CODE((PyCodeObject *)shim->f_executable)[0].op.code == EXIT_INIT_CHECK);
/* Push self onto stack of shim */
Py_INCREF(self);
shim->localsplus[0] = self;
Py_INCREF(init);
_PyInterpreterFrame *init_frame = _PyFrame_PushUnchecked(tstate, init, oparg+1);
/* Copy self followed by args to __init__ frame */
init_frame->localsplus[0] = self;
for (int i = 0; i < oparg; i++) {
init_frame->localsplus[i+1] = args[i];
}
frame->return_offset = (uint16_t)(next_instr - this_instr);
STACK_SHRINK(oparg+2);
_PyFrame_SetStackPointer(frame, stack_pointer);
/* Link frames */
init_frame->previous = shim;
shim->previous = frame;
frame = tstate->current_frame = init_frame;
CALL_STAT_INC(inlined_py_calls);
/* Account for pushing the extra frame.
* We don't check recursion depth here,
* as it will be checked after start_frame */
tstate->py_recursion_remaining--;
goto start_frame;
}
TARGET(CALL_BOUND_METHOD_EXACT_ARGS) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 4;
INSTRUCTION_STATS(CALL_BOUND_METHOD_EXACT_ARGS);
static_assert(INLINE_CACHE_ENTRIES_CALL == 3, "incorrect cache size");
PyObject *null;
PyObject *callable;
PyObject *func;
PyObject *self;
PyObject *self_or_null;
PyObject **args;
_PyInterpreterFrame *new_frame;
/* Skip 1 cache entry */
// _CHECK_PEP_523
{
DEOPT_IF(tstate->interp->eval_frame, CALL);
}
// _CHECK_CALL_BOUND_METHOD_EXACT_ARGS
null = stack_pointer[-1 - oparg];
callable = stack_pointer[-2 - oparg];
{
DEOPT_IF(null != NULL, CALL);
DEOPT_IF(Py_TYPE(callable) != &PyMethod_Type, CALL);
}
// _INIT_CALL_BOUND_METHOD_EXACT_ARGS
{
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);
}
// _CHECK_FUNCTION_EXACT_ARGS
self_or_null = self;
callable = func;
{
uint32_t func_version = read_u32(&this_instr[2].cache);
DEOPT_IF(!PyFunction_Check(callable), CALL);
PyFunctionObject *func = (PyFunctionObject *)callable;
DEOPT_IF(func->func_version != func_version, CALL);
PyCodeObject *code = (PyCodeObject *)func->func_code;
DEOPT_IF(code->co_argcount != oparg + (self_or_null != NULL), CALL);
}
// _CHECK_STACK_SPACE
{
PyFunctionObject *func = (PyFunctionObject *)callable;
PyCodeObject *code = (PyCodeObject *)func->func_code;
DEOPT_IF(!_PyThreadState_HasStackSpace(tstate, code->co_framesize), CALL);
DEOPT_IF(tstate->py_recursion_remaining <= 1, CALL);
}
// _INIT_CALL_PY_EXACT_ARGS
args = &stack_pointer[-oparg];
self_or_null = stack_pointer[-1 - 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];
}
}
// _SAVE_RETURN_OFFSET
{
#if TIER_ONE
frame->return_offset = (uint16_t)(next_instr - this_instr);
#endif
#if TIER_TWO
frame->return_offset = oparg;
#endif
}
// _PUSH_FRAME
{
// 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 += -2 - oparg;
_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);
DISPATCH();
}
TARGET(CALL_BUILTIN_CLASS) {
frame->instr_ptr = next_instr;
next_instr += 4;
INSTRUCTION_STATS(CALL_BUILTIN_CLASS);
static_assert(INLINE_CACHE_ENTRIES_CALL == 3, "incorrect cache size");
PyObject **args;
PyObject *self_or_null;
PyObject *callable;
PyObject *res;
/* Skip 1 cache entry */
/* Skip 2 cache entries */
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++;
}
DEOPT_IF(!PyType_Check(callable), CALL);
PyTypeObject *tp = (PyTypeObject *)callable;
DEOPT_IF(tp->tp_vectorcall == NULL, CALL);
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; }
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
CHECK_EVAL_BREAKER();
DISPATCH();
}
TARGET(CALL_BUILTIN_FAST) {
frame->instr_ptr = next_instr;
next_instr += 4;
INSTRUCTION_STATS(CALL_BUILTIN_FAST);
static_assert(INLINE_CACHE_ENTRIES_CALL == 3, "incorrect cache size");
PyObject **args;
PyObject *self_or_null;
PyObject *callable;
PyObject *res;
/* Skip 1 cache entry */
/* Skip 2 cache entries */
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++;
}
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_pointer += -2 - oparg; goto 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_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
CHECK_EVAL_BREAKER();
DISPATCH();
}
TARGET(CALL_BUILTIN_FAST_WITH_KEYWORDS) {
frame->instr_ptr = next_instr;
next_instr += 4;
INSTRUCTION_STATS(CALL_BUILTIN_FAST_WITH_KEYWORDS);
static_assert(INLINE_CACHE_ENTRIES_CALL == 3, "incorrect cache size");
PyObject **args;
PyObject *self_or_null;
PyObject *callable;
PyObject *res;
/* Skip 1 cache entry */
/* Skip 2 cache entries */
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++;
}
DEOPT_IF(!PyCFunction_CheckExact(callable), CALL);
DEOPT_IF(PyCFunction_GET_FLAGS(callable) != (METH_FASTCALL | METH_KEYWORDS), CALL);
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; }
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
CHECK_EVAL_BREAKER();
DISPATCH();
}
TARGET(CALL_BUILTIN_O) {
frame->instr_ptr = next_instr;
next_instr += 4;
INSTRUCTION_STATS(CALL_BUILTIN_O);
static_assert(INLINE_CACHE_ENTRIES_CALL == 3, "incorrect cache size");
PyObject **args;
PyObject *self_or_null;
PyObject *callable;
PyObject *res;
/* Skip 1 cache entry */
/* Skip 2 cache entries */
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++;
}
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(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; }
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
CHECK_EVAL_BREAKER();
DISPATCH();
}
TARGET(CALL_FUNCTION_EX) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(CALL_FUNCTION_EX);
PREDICTED(CALL_FUNCTION_EX);
_Py_CODEUNIT *this_instr = next_instr - 1;
PyObject *kwargs = NULL;
PyObject *callargs;
PyObject *func;
PyObject *result;
if (oparg & 1) { kwargs = stack_pointer[-(oparg & 1)]; }
callargs = stack_pointer[-1 - (oparg & 1)];
func = stack_pointer[-3 - (oparg & 1)];
// DICT_MERGE is called before this opcode if there are kwargs.
// It converts all dict subtypes in kwargs into regular dicts.
assert(kwargs == NULL || PyDict_CheckExact(kwargs));
if (!PyTuple_CheckExact(callargs)) {
if (check_args_iterable(tstate, func, callargs) < 0) {
GOTO_ERROR(error);
}
PyObject *tuple = PySequence_Tuple(callargs);
if (tuple == NULL) {
GOTO_ERROR(error);
}
Py_SETREF(callargs, tuple);
}
assert(PyTuple_CheckExact(callargs));
EVAL_CALL_STAT_INC_IF_FUNCTION(EVAL_CALL_FUNCTION_EX, func);
if (opcode == INSTRUMENTED_CALL_FUNCTION_EX &&
!PyFunction_Check(func) && !PyMethod_Check(func)
) {
PyObject *arg = PyTuple_GET_SIZE(callargs) > 0 ?
PyTuple_GET_ITEM(callargs, 0) : Py_None;
int err = _Py_call_instrumentation_2args(
tstate, PY_MONITORING_EVENT_CALL,
frame, this_instr, func, arg);
if (err) GOTO_ERROR(error);
result = PyObject_Call(func, callargs, kwargs);
if (result == NULL) {
_Py_call_instrumentation_exc2(
tstate, PY_MONITORING_EVENT_C_RAISE,
frame, this_instr, func, arg);
}
else {
int err = _Py_call_instrumentation_2args(
tstate, PY_MONITORING_EVENT_C_RETURN,
frame, this_instr, func, arg);
if (err < 0) {
Py_CLEAR(result);
}
}
}
else {
if (Py_TYPE(func) == &PyFunction_Type &&
tstate->interp->eval_frame == NULL &&
((PyFunctionObject *)func)->vectorcall == _PyFunction_Vectorcall) {
assert(PyTuple_CheckExact(callargs));
Py_ssize_t nargs = PyTuple_GET_SIZE(callargs);
int code_flags = ((PyCodeObject *)PyFunction_GET_CODE(func))->co_flags;
PyObject *locals = code_flags & CO_OPTIMIZED ? NULL : Py_NewRef(PyFunction_GET_GLOBALS(func));
_PyInterpreterFrame *new_frame = _PyEvalFramePushAndInit_Ex(tstate,
(PyFunctionObject *)func, locals,
nargs, callargs, kwargs);
// Need to manually shrink the stack since we exit with DISPATCH_INLINED.
STACK_SHRINK(oparg + 3);
if (new_frame == NULL) {
GOTO_ERROR(error);
}
assert(next_instr - this_instr == 1);
frame->return_offset = 1;
DISPATCH_INLINED(new_frame);
}
result = PyObject_Call(func, callargs, kwargs);
}
Py_DECREF(func);
Py_DECREF(callargs);
Py_XDECREF(kwargs);
assert(PEEK(2 + (oparg & 1)) == NULL);
if (result == NULL) { stack_pointer += -3 - (oparg & 1); goto error; }
stack_pointer[-3 - (oparg & 1)] = result;
stack_pointer += -2 - (oparg & 1);
CHECK_EVAL_BREAKER();
DISPATCH();
}
TARGET(CALL_INTRINSIC_1) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(CALL_INTRINSIC_1);
PyObject *value;
PyObject *res;
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;
stack_pointer[-1] = res;
DISPATCH();
}
TARGET(CALL_INTRINSIC_2) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(CALL_INTRINSIC_2);
PyObject *value1;
PyObject *value2;
PyObject *res;
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;
stack_pointer[-2] = res;
stack_pointer += -1;
DISPATCH();
}
TARGET(CALL_ISINSTANCE) {
frame->instr_ptr = next_instr;
next_instr += 4;
INSTRUCTION_STATS(CALL_ISINSTANCE);
static_assert(INLINE_CACHE_ENTRIES_CALL == 3, "incorrect cache size");
PyObject **args;
PyObject *self_or_null;
PyObject *callable;
PyObject *res;
/* Skip 1 cache entry */
/* Skip 2 cache entries */
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++;
}
DEOPT_IF(total_args != 2, CALL);
PyInterpreterState *interp = tstate->interp;
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(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; }
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
DISPATCH();
}
TARGET(CALL_KW) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(CALL_KW);
PREDICTED(CALL_KW);
_Py_CODEUNIT *this_instr = next_instr - 1;
PyObject *kwnames;
PyObject **args;
PyObject *self_or_null;
PyObject *callable;
PyObject *res;
kwnames = stack_pointer[-1];
args = &stack_pointer[-1 - oparg];
self_or_null = stack_pointer[-2 - oparg];
callable = stack_pointer[-3 - oparg];
// oparg counts all of the args, but *not* self:
int total_args = oparg;
if (self_or_null != NULL) {
args--;
total_args++;
}
if (self_or_null == NULL && Py_TYPE(callable) == &PyMethod_Type) {
args--;
total_args++;
PyObject *self = ((PyMethodObject *)callable)->im_self;
args[0] = Py_NewRef(self);
PyObject *method = ((PyMethodObject *)callable)->im_func;
args[-1] = Py_NewRef(method);
Py_DECREF(callable);
callable = method;
}
int positional_args = total_args - (int)PyTuple_GET_SIZE(kwnames);
// Check if the call can be inlined or not
if (Py_TYPE(callable) == &PyFunction_Type &&
tstate->interp->eval_frame == NULL &&
((PyFunctionObject *)callable)->vectorcall == _PyFunction_Vectorcall)
{
int code_flags = ((PyCodeObject*)PyFunction_GET_CODE(callable))->co_flags;
PyObject *locals = code_flags & CO_OPTIMIZED ? NULL : Py_NewRef(PyFunction_GET_GLOBALS(callable));
_PyInterpreterFrame *new_frame = _PyEvalFramePushAndInit(
tstate, (PyFunctionObject *)callable, locals,
args, positional_args, kwnames
);
Py_DECREF(kwnames);
// Manipulate stack directly since we leave using DISPATCH_INLINED().
STACK_SHRINK(oparg + 3);
// The frame has stolen all the arguments from the stack,
// so there is no need to clean them up.
if (new_frame == NULL) {
GOTO_ERROR(error);
}
assert(next_instr - this_instr == 1);
frame->return_offset = 1;
DISPATCH_INLINED(new_frame);
}
/* Callable is not a normal Python function */
res = PyObject_Vectorcall(
callable, args,
positional_args | PY_VECTORCALL_ARGUMENTS_OFFSET,
kwnames);
if (opcode == INSTRUMENTED_CALL_KW) {
PyObject *arg = total_args == 0 ?
&_PyInstrumentation_MISSING : args[0];
if (res == NULL) {
_Py_call_instrumentation_exc2(
tstate, PY_MONITORING_EVENT_C_RAISE,
frame, this_instr, callable, arg);
}
else {
int err = _Py_call_instrumentation_2args(
tstate, PY_MONITORING_EVENT_C_RETURN,
frame, this_instr, callable, arg);
if (err < 0) {
Py_CLEAR(res);
}
}
}
Py_DECREF(kwnames);
assert((res != NULL) ^ (_PyErr_Occurred(tstate) != NULL));
Py_DECREF(callable);
for (int i = 0; i < total_args; i++) {
Py_DECREF(args[i]);
}
if (res == NULL) { stack_pointer += -3 - oparg; goto error; }
stack_pointer[-3 - oparg] = res;
stack_pointer += -2 - oparg;
CHECK_EVAL_BREAKER();
DISPATCH();
}
TARGET(CALL_LEN) {
frame->instr_ptr = next_instr;
next_instr += 4;
INSTRUCTION_STATS(CALL_LEN);
static_assert(INLINE_CACHE_ENTRIES_CALL == 3, "incorrect cache size");
PyObject **args;
PyObject *self_or_null;
PyObject *callable;
PyObject *res;
/* Skip 1 cache entry */
/* Skip 2 cache entries */
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++;
}
DEOPT_IF(total_args != 1, CALL);
PyInterpreterState *interp = tstate->interp;
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(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; }
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
DISPATCH();
}
TARGET(CALL_LIST_APPEND) {
frame->instr_ptr = next_instr;
next_instr += 4;
INSTRUCTION_STATS(CALL_LIST_APPEND);
static_assert(INLINE_CACHE_ENTRIES_CALL == 3, "incorrect cache size");
PyObject **args;
PyObject *self;
PyObject *callable;
/* Skip 1 cache entry */
/* Skip 2 cache entries */
args = &stack_pointer[-oparg];
self = stack_pointer[-1 - oparg];
callable = stack_pointer[-2 - oparg];
TIER_ONE_ONLY
assert(oparg == 1);
PyInterpreterState *interp = tstate->interp;
DEOPT_IF(callable != interp->callable_cache.list_append, CALL);
assert(self != NULL);
DEOPT_IF(!PyList_Check(self), CALL);
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();
}
TARGET(CALL_METHOD_DESCRIPTOR_FAST) {
frame->instr_ptr = next_instr;
next_instr += 4;
INSTRUCTION_STATS(CALL_METHOD_DESCRIPTOR_FAST);
static_assert(INLINE_CACHE_ENTRIES_CALL == 3, "incorrect cache size");
PyObject **args;
PyObject *self_or_null;
PyObject *callable;
PyObject *res;
/* Skip 1 cache entry */
/* Skip 2 cache entries */
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 */
DEOPT_IF(!Py_IS_TYPE(method, &PyMethodDescr_Type), CALL);
PyMethodDef *meth = method->d_method;
DEOPT_IF(meth->ml_flags != METH_FASTCALL, CALL);
PyObject *self = args[0];
DEOPT_IF(!Py_IS_TYPE(self, method->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_pointer += -2 - oparg; goto error; }
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
CHECK_EVAL_BREAKER();
DISPATCH();
}
TARGET(CALL_METHOD_DESCRIPTOR_FAST_WITH_KEYWORDS) {
frame->instr_ptr = next_instr;
next_instr += 4;
INSTRUCTION_STATS(CALL_METHOD_DESCRIPTOR_FAST_WITH_KEYWORDS);
static_assert(INLINE_CACHE_ENTRIES_CALL == 3, "incorrect cache size");
PyObject **args;
PyObject *self_or_null;
PyObject *callable;
PyObject *res;
/* Skip 1 cache entry */
/* Skip 2 cache entries */
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;
DEOPT_IF(!Py_IS_TYPE(method, &PyMethodDescr_Type), CALL);
PyMethodDef *meth = method->d_method;
DEOPT_IF(meth->ml_flags != (METH_FASTCALL|METH_KEYWORDS), CALL);
PyTypeObject *d_type = method->d_common.d_type;
PyObject *self = args[0];
DEOPT_IF(!Py_IS_TYPE(self, d_type), CALL);
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; }
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
CHECK_EVAL_BREAKER();
DISPATCH();
}
TARGET(CALL_METHOD_DESCRIPTOR_NOARGS) {
frame->instr_ptr = next_instr;
next_instr += 4;
INSTRUCTION_STATS(CALL_METHOD_DESCRIPTOR_NOARGS);
static_assert(INLINE_CACHE_ENTRIES_CALL == 3, "incorrect cache size");
PyObject **args;
PyObject *self_or_null;
PyObject *callable;
PyObject *res;
/* Skip 1 cache entry */
/* Skip 2 cache entries */
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++;
}
DEOPT_IF(total_args != 1, CALL);
PyMethodDescrObject *method = (PyMethodDescrObject *)callable;
DEOPT_IF(!Py_IS_TYPE(method, &PyMethodDescr_Type), CALL);
PyMethodDef *meth = method->d_method;
PyObject *self = args[0];
DEOPT_IF(!Py_IS_TYPE(self, method->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(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; }
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
CHECK_EVAL_BREAKER();
DISPATCH();
}
TARGET(CALL_METHOD_DESCRIPTOR_O) {
frame->instr_ptr = next_instr;
next_instr += 4;
INSTRUCTION_STATS(CALL_METHOD_DESCRIPTOR_O);
static_assert(INLINE_CACHE_ENTRIES_CALL == 3, "incorrect cache size");
PyObject **args;
PyObject *self_or_null;
PyObject *callable;
PyObject *res;
/* Skip 1 cache entry */
/* Skip 2 cache entries */
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;
DEOPT_IF(total_args != 2, CALL);
DEOPT_IF(!Py_IS_TYPE(method, &PyMethodDescr_Type), CALL);
PyMethodDef *meth = method->d_method;
DEOPT_IF(meth->ml_flags != METH_O, CALL);
PyObject *arg = args[1];
PyObject *self = args[0];
DEOPT_IF(!Py_IS_TYPE(self, method->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(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; }
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
CHECK_EVAL_BREAKER();
DISPATCH();
}
TARGET(CALL_PY_EXACT_ARGS) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 4;
INSTRUCTION_STATS(CALL_PY_EXACT_ARGS);
static_assert(INLINE_CACHE_ENTRIES_CALL == 3, "incorrect cache size");
PyObject *self_or_null;
PyObject *callable;
PyObject **args;
_PyInterpreterFrame *new_frame;
/* Skip 1 cache entry */
// _CHECK_PEP_523
{
DEOPT_IF(tstate->interp->eval_frame, CALL);
}
// _CHECK_FUNCTION_EXACT_ARGS
self_or_null = stack_pointer[-1 - oparg];
callable = stack_pointer[-2 - oparg];
{
uint32_t func_version = read_u32(&this_instr[2].cache);
DEOPT_IF(!PyFunction_Check(callable), CALL);
PyFunctionObject *func = (PyFunctionObject *)callable;
DEOPT_IF(func->func_version != func_version, CALL);
PyCodeObject *code = (PyCodeObject *)func->func_code;
DEOPT_IF(code->co_argcount != oparg + (self_or_null != NULL), CALL);
}
// _CHECK_STACK_SPACE
{
PyFunctionObject *func = (PyFunctionObject *)callable;
PyCodeObject *code = (PyCodeObject *)func->func_code;
DEOPT_IF(!_PyThreadState_HasStackSpace(tstate, code->co_framesize), CALL);
DEOPT_IF(tstate->py_recursion_remaining <= 1, CALL);
}
// _INIT_CALL_PY_EXACT_ARGS
args = &stack_pointer[-oparg];
self_or_null = stack_pointer[-1 - 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];
}
}
// _SAVE_RETURN_OFFSET
{
#if TIER_ONE
frame->return_offset = (uint16_t)(next_instr - this_instr);
#endif
#if TIER_TWO
frame->return_offset = oparg;
#endif
}
// _PUSH_FRAME
{
// 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 += -2 - oparg;
_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);
DISPATCH();
}
TARGET(CALL_PY_WITH_DEFAULTS) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 4;
INSTRUCTION_STATS(CALL_PY_WITH_DEFAULTS);
static_assert(INLINE_CACHE_ENTRIES_CALL == 3, "incorrect cache size");
PyObject **args;
PyObject *self_or_null;
PyObject *callable;
/* Skip 1 cache entry */
args = &stack_pointer[-oparg];
self_or_null = stack_pointer[-1 - oparg];
callable = stack_pointer[-2 - oparg];
uint32_t func_version = read_u32(&this_instr[2].cache);
DEOPT_IF(tstate->interp->eval_frame, CALL);
int argcount = oparg;
if (self_or_null != NULL) {
args--;
argcount++;
}
DEOPT_IF(!PyFunction_Check(callable), CALL);
PyFunctionObject *func = (PyFunctionObject *)callable;
DEOPT_IF(func->func_version != func_version, CALL);
PyCodeObject *code = (PyCodeObject *)func->func_code;
assert(func->func_defaults);
assert(PyTuple_CheckExact(func->func_defaults));
int defcount = (int)PyTuple_GET_SIZE(func->func_defaults);
assert(defcount <= code->co_argcount);
int min_args = code->co_argcount - defcount;
DEOPT_IF(argcount > code->co_argcount, CALL);
DEOPT_IF(argcount < min_args, CALL);
DEOPT_IF(!_PyThreadState_HasStackSpace(tstate, code->co_framesize), CALL);
STAT_INC(CALL, hit);
_PyInterpreterFrame *new_frame = _PyFrame_PushUnchecked(tstate, func, code->co_argcount);
for (int i = 0; i < argcount; i++) {
new_frame->localsplus[i] = args[i];
}
for (int i = argcount; i < code->co_argcount; i++) {
PyObject *def = PyTuple_GET_ITEM(func->func_defaults, i - min_args);
new_frame->localsplus[i] = Py_NewRef(def);
}
// Manipulate stack and cache directly since we leave using DISPATCH_INLINED().
STACK_SHRINK(oparg + 2);
frame->return_offset = (uint16_t)(next_instr - this_instr);
DISPATCH_INLINED(new_frame);
}
TARGET(CALL_STR_1) {
frame->instr_ptr = next_instr;
next_instr += 4;
INSTRUCTION_STATS(CALL_STR_1);
static_assert(INLINE_CACHE_ENTRIES_CALL == 3, "incorrect cache size");
PyObject **args;
PyObject *null;
PyObject *callable;
PyObject *res;
/* Skip 1 cache entry */
/* Skip 2 cache entries */
args = &stack_pointer[-oparg];
null = stack_pointer[-1 - oparg];
callable = stack_pointer[-2 - oparg];
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_pointer += -2 - oparg; goto error; }
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
CHECK_EVAL_BREAKER();
DISPATCH();
}
TARGET(CALL_TUPLE_1) {
frame->instr_ptr = next_instr;
next_instr += 4;
INSTRUCTION_STATS(CALL_TUPLE_1);
static_assert(INLINE_CACHE_ENTRIES_CALL == 3, "incorrect cache size");
PyObject **args;
PyObject *null;
PyObject *callable;
PyObject *res;
/* Skip 1 cache entry */
/* Skip 2 cache entries */
args = &stack_pointer[-oparg];
null = stack_pointer[-1 - oparg];
callable = stack_pointer[-2 - oparg];
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_pointer += -2 - oparg; goto error; }
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
CHECK_EVAL_BREAKER();
DISPATCH();
}
TARGET(CALL_TYPE_1) {
frame->instr_ptr = next_instr;
next_instr += 4;
INSTRUCTION_STATS(CALL_TYPE_1);
static_assert(INLINE_CACHE_ENTRIES_CALL == 3, "incorrect cache size");
PyObject **args;
PyObject *null;
PyObject *callable;
PyObject *res;
/* Skip 1 cache entry */
/* Skip 2 cache entries */
args = &stack_pointer[-oparg];
null = stack_pointer[-1 - oparg];
callable = stack_pointer[-2 - oparg];
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_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
DISPATCH();
}
TARGET(CHECK_EG_MATCH) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(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;
}
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;
assert((match == NULL) == (rest == NULL));
if (match == NULL) goto pop_2_error;
if (!Py_IsNone(match)) {
PyErr_SetHandledException(match);
}
stack_pointer[-2] = rest;
stack_pointer[-1] = match;
DISPATCH();
}
TARGET(CHECK_EXC_MATCH) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(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;
}
int res = PyErr_GivenExceptionMatches(left, right);
Py_DECREF(right);
b = res ? Py_True : Py_False;
stack_pointer[-1] = b;
DISPATCH();
}
TARGET(CLEANUP_THROW) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(CLEANUP_THROW);
PyObject *exc_value;
PyObject *last_sent_val;
PyObject *sub_iter;
PyObject *none;
PyObject *value;
exc_value = stack_pointer[-1];
last_sent_val = stack_pointer[-2];
sub_iter = stack_pointer[-3];
TIER_ONE_ONLY
assert(throwflag);
assert(exc_value && PyExceptionInstance_Check(exc_value));
if (PyErr_GivenExceptionMatches(exc_value, PyExc_StopIteration)) {
value = Py_NewRef(((PyStopIterationObject *)exc_value)->value);
Py_DECREF(sub_iter);
Py_DECREF(last_sent_val);
Py_DECREF(exc_value);
none = Py_None;
}
else {
_PyErr_SetRaisedException(tstate, Py_NewRef(exc_value));
monitor_reraise(tstate, frame, this_instr);
goto exception_unwind;
}
stack_pointer[-3] = none;
stack_pointer[-2] = value;
stack_pointer += -1;
DISPATCH();
}
TARGET(COMPARE_OP) {
frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(COMPARE_OP);
PREDICTED(COMPARE_OP);
_Py_CODEUNIT *this_instr = next_instr - 2;
PyObject *right;
PyObject *left;
PyObject *res;
// _SPECIALIZE_COMPARE_OP
right = stack_pointer[-1];
left = stack_pointer[-2];
{
uint16_t counter = read_u16(&this_instr[1].cache);
TIER_ONE_ONLY
#if ENABLE_SPECIALIZATION
if (ADAPTIVE_COUNTER_IS_ZERO(counter)) {
next_instr = this_instr;
_Py_Specialize_CompareOp(left, right, next_instr, oparg);
DISPATCH_SAME_OPARG();
}
STAT_INC(COMPARE_OP, deferred);
DECREMENT_ADAPTIVE_COUNTER(this_instr[1].cache);
#endif /* ENABLE_SPECIALIZATION */
}
// _COMPARE_OP
{
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_pointer[-2] = res;
stack_pointer += -1;
DISPATCH();
}
TARGET(COMPARE_OP_FLOAT) {
frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(COMPARE_OP_FLOAT);
static_assert(INLINE_CACHE_ENTRIES_COMPARE_OP == 1, "incorrect cache size");
PyObject *right;
PyObject *left;
PyObject *res;
/* Skip 1 cache entry */
right = stack_pointer[-1];
left = stack_pointer[-2];
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_pointer[-2] = res;
stack_pointer += -1;
DISPATCH();
}
TARGET(COMPARE_OP_INT) {
frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(COMPARE_OP_INT);
static_assert(INLINE_CACHE_ENTRIES_COMPARE_OP == 1, "incorrect cache size");
PyObject *right;
PyObject *left;
PyObject *res;
/* Skip 1 cache entry */
right = stack_pointer[-1];
left = stack_pointer[-2];
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_pointer[-2] = res;
stack_pointer += -1;
DISPATCH();
}
TARGET(COMPARE_OP_STR) {
frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(COMPARE_OP_STR);
static_assert(INLINE_CACHE_ENTRIES_COMPARE_OP == 1, "incorrect cache size");
PyObject *right;
PyObject *left;
PyObject *res;
/* Skip 1 cache entry */
right = stack_pointer[-1];
left = stack_pointer[-2];
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_pointer[-2] = res;
stack_pointer += -1;
DISPATCH();
}
TARGET(CONTAINS_OP) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(CONTAINS_OP);
PyObject *right;
PyObject *left;
PyObject *b;
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;
b = (res ^ oparg) ? Py_True : Py_False;
stack_pointer[-2] = b;
stack_pointer += -1;
DISPATCH();
}
TARGET(CONVERT_VALUE) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(CONVERT_VALUE);
PyObject *value;
PyObject *result;
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;
stack_pointer[-1] = result;
DISPATCH();
}
TARGET(COPY) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(COPY);
PyObject *bottom;
PyObject *top;
bottom = stack_pointer[-1 - (oparg-1)];
assert(oparg > 0);
top = Py_NewRef(bottom);
stack_pointer[0] = top;
stack_pointer += 1;
DISPATCH();
}
TARGET(COPY_FREE_VARS) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(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);
}
DISPATCH();
}
TARGET(DELETE_ATTR) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(DELETE_ATTR);
PyObject *owner;
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_pointer += -1;
DISPATCH();
}
TARGET(DELETE_DEREF) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(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) {
_PyEval_FormatExcUnbound(tstate, _PyFrame_GetCode(frame), oparg);
GOTO_ERROR(error);
}
PyCell_SET(cell, NULL);
Py_DECREF(oldobj);
DISPATCH();
}
TARGET(DELETE_FAST) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(DELETE_FAST);
PyObject *v = GETLOCAL(oparg);
if (v == NULL) goto unbound_local_error;
SETLOCAL(oparg, NULL);
DISPATCH();
}
TARGET(DELETE_GLOBAL) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(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)) {
_PyEval_FormatExcCheckArg(tstate, PyExc_NameError,
NAME_ERROR_MSG, name);
}
GOTO_ERROR(error);
}
DISPATCH();
}
TARGET(DELETE_NAME) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(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(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);
}
DISPATCH();
}
TARGET(DELETE_SUBSCR) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(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;
stack_pointer += -2;
DISPATCH();
}
TARGET(DICT_MERGE) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(DICT_MERGE);
PyObject *update;
PyObject *dict;
PyObject *callable;
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;
}
Py_DECREF(update);
stack_pointer += -1;
DISPATCH();
}
TARGET(DICT_UPDATE) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(DICT_UPDATE);
PyObject *update;
PyObject *dict;
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;
}
Py_DECREF(update);
stack_pointer += -1;
DISPATCH();
}
TARGET(END_ASYNC_FOR) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(END_ASYNC_FOR);
PyObject *exc;
PyObject *awaitable;
exc = stack_pointer[-1];
awaitable = stack_pointer[-2];
TIER_ONE_ONLY
assert(exc && PyExceptionInstance_Check(exc));
if (PyErr_GivenExceptionMatches(exc, PyExc_StopAsyncIteration)) {
Py_DECREF(awaitable);
Py_DECREF(exc);
}
else {
Py_INCREF(exc);
_PyErr_SetRaisedException(tstate, exc);
monitor_reraise(tstate, frame, this_instr);
goto exception_unwind;
}
stack_pointer += -2;
DISPATCH();
}
TARGET(END_FOR) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(END_FOR);
PyObject *value;
// _POP_TOP
value = stack_pointer[-1];
{
Py_DECREF(value);
}
// _POP_TOP
value = stack_pointer[-2];
{
Py_DECREF(value);
}
stack_pointer += -2;
DISPATCH();
}
TARGET(END_SEND) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(END_SEND);
PyObject *value;
PyObject *receiver;
value = stack_pointer[-1];
receiver = stack_pointer[-2];
Py_DECREF(receiver);
stack_pointer[-2] = value;
stack_pointer += -1;
DISPATCH();
}
TARGET(ENTER_EXECUTOR) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(ENTER_EXECUTOR);
TIER_ONE_ONLY
CHECK_EVAL_BREAKER();
PyCodeObject *code = _PyFrame_GetCode(frame);
_PyExecutorObject *executor = (_PyExecutorObject *)code->co_executors->executors[oparg&255];
if (executor->vm_data.valid) {
Py_INCREF(executor);
if (executor->execute == _PyUOpExecute) {
current_executor = (_PyUOpExecutorObject *)executor;
GOTO_TIER_TWO();
}
next_instr = executor->execute(executor, frame, stack_pointer);
frame = tstate->current_frame;
if (next_instr == NULL) {
goto resume_with_error;
}
stack_pointer = _PyFrame_GetStackPointer(frame);
}
else {
code->co_executors->executors[oparg & 255] = NULL;
opcode = this_instr->op.code = executor->vm_data.opcode;
this_instr->op.arg = executor->vm_data.oparg;
oparg = (oparg & (~255)) | executor->vm_data.oparg;
Py_DECREF(executor);
next_instr = this_instr;
DISPATCH_GOTO();
}
DISPATCH();
}
TARGET(EXIT_INIT_CHECK) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(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;
DISPATCH();
}
TARGET(EXTENDED_ARG) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(EXTENDED_ARG);
TIER_ONE_ONLY
assert(oparg);
opcode = next_instr->op.code;
oparg = oparg << 8 | next_instr->op.arg;
PRE_DISPATCH_GOTO();
DISPATCH_GOTO();
}
TARGET(FORMAT_SIMPLE) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(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;
}
else {
res = value;
}
stack_pointer[-1] = res;
DISPATCH();
}
TARGET(FORMAT_WITH_SPEC) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(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;
stack_pointer[-2] = res;
stack_pointer += -1;
DISPATCH();
}
TARGET(FOR_ITER) {
frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(FOR_ITER);
PREDICTED(FOR_ITER);
_Py_CODEUNIT *this_instr = next_instr - 2;
PyObject *iter;
PyObject *next;
// _SPECIALIZE_FOR_ITER
iter = stack_pointer[-1];
{
uint16_t counter = read_u16(&this_instr[1].cache);
TIER_ONE_ONLY
#if ENABLE_SPECIALIZATION
if (ADAPTIVE_COUNTER_IS_ZERO(counter)) {
next_instr = this_instr;
_Py_Specialize_ForIter(iter, next_instr, oparg);
DISPATCH_SAME_OPARG();
}
STAT_INC(FOR_ITER, deferred);
DECREMENT_ADAPTIVE_COUNTER(this_instr[1].cache);
#endif /* ENABLE_SPECIALIZATION */
}
// _FOR_ITER
{
/* 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);
}
monitor_raise(tstate, frame, this_instr);
_PyErr_Clear(tstate);
}
/* iterator ended normally */
assert(next_instr[oparg].op.code == END_FOR ||
next_instr[oparg].op.code == INSTRUMENTED_END_FOR);
Py_DECREF(iter);
STACK_SHRINK(1);
/* Jump forward oparg, then skip following END_FOR instruction */
JUMPBY(oparg + 1);
DISPATCH();
}
// Common case: no jump, leave it to the code generator
}
stack_pointer[0] = next;
stack_pointer += 1;
DISPATCH();
}
TARGET(FOR_ITER_GEN) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(FOR_ITER_GEN);
static_assert(INLINE_CACHE_ENTRIES_FOR_ITER == 1, "incorrect cache size");
PyObject *iter;
/* Skip 1 cache entry */
iter = stack_pointer[-1];
DEOPT_IF(tstate->interp->eval_frame, FOR_ITER);
PyGenObject *gen = (PyGenObject *)iter;
DEOPT_IF(Py_TYPE(gen) != &PyGen_Type, FOR_ITER);
DEOPT_IF(gen->gi_frame_state >= FRAME_EXECUTING, FOR_ITER);
STAT_INC(FOR_ITER, hit);
_PyInterpreterFrame *gen_frame = (_PyInterpreterFrame *)gen->gi_iframe;
_PyFrame_StackPush(gen_frame, Py_None);
gen->gi_frame_state = FRAME_EXECUTING;
gen->gi_exc_state.previous_item = tstate->exc_info;
tstate->exc_info = &gen->gi_exc_state;
assert(next_instr[oparg].op.code == END_FOR ||
next_instr[oparg].op.code == INSTRUMENTED_END_FOR);
assert(next_instr - this_instr + oparg <= UINT16_MAX);
frame->return_offset = (uint16_t)(next_instr - this_instr + oparg);
DISPATCH_INLINED(gen_frame);
}
TARGET(FOR_ITER_LIST) {
frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(FOR_ITER_LIST);
static_assert(INLINE_CACHE_ENTRIES_FOR_ITER == 1, "incorrect cache size");
PyObject *iter;
PyObject *next;
/* Skip 1 cache entry */
// _ITER_CHECK_LIST
iter = stack_pointer[-1];
{
DEOPT_IF(Py_TYPE(iter) != &PyListIter_Type, FOR_ITER);
}
// _ITER_JUMP_LIST
{
_PyListIterObject *it = (_PyListIterObject *)iter;
assert(Py_TYPE(iter) == &PyListIter_Type);
STAT_INC(FOR_ITER, hit);
PyListObject *seq = it->it_seq;
if (seq == NULL || it->it_index >= PyList_GET_SIZE(seq)) {
if (seq != NULL) {
it->it_seq = NULL;
Py_DECREF(seq);
}
Py_DECREF(iter);
STACK_SHRINK(1);
/* Jump forward oparg, then skip following END_FOR instruction */
JUMPBY(oparg + 1);
DISPATCH();
}
}
// _ITER_NEXT_LIST
{
_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;
DISPATCH();
}
TARGET(FOR_ITER_RANGE) {
frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(FOR_ITER_RANGE);
static_assert(INLINE_CACHE_ENTRIES_FOR_ITER == 1, "incorrect cache size");
PyObject *iter;
PyObject *next;
/* Skip 1 cache entry */
// _ITER_CHECK_RANGE
iter = stack_pointer[-1];
{
_PyRangeIterObject *r = (_PyRangeIterObject *)iter;
DEOPT_IF(Py_TYPE(r) != &PyRangeIter_Type, FOR_ITER);
}
// _ITER_JUMP_RANGE
{
_PyRangeIterObject *r = (_PyRangeIterObject *)iter;
assert(Py_TYPE(r) == &PyRangeIter_Type);
STAT_INC(FOR_ITER, hit);
if (r->len <= 0) {
STACK_SHRINK(1);
Py_DECREF(r);
// Jump over END_FOR instruction.
JUMPBY(oparg + 1);
DISPATCH();
}
}
// _ITER_NEXT_RANGE
{
_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_pointer[0] = next;
stack_pointer += 1;
DISPATCH();
}
TARGET(FOR_ITER_TUPLE) {
frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(FOR_ITER_TUPLE);
static_assert(INLINE_CACHE_ENTRIES_FOR_ITER == 1, "incorrect cache size");
PyObject *iter;
PyObject *next;
/* Skip 1 cache entry */
// _ITER_CHECK_TUPLE
iter = stack_pointer[-1];
{
DEOPT_IF(Py_TYPE(iter) != &PyTupleIter_Type, FOR_ITER);
}
// _ITER_JUMP_TUPLE
{
_PyTupleIterObject *it = (_PyTupleIterObject *)iter;
assert(Py_TYPE(iter) == &PyTupleIter_Type);
STAT_INC(FOR_ITER, hit);
PyTupleObject *seq = it->it_seq;
if (seq == NULL || it->it_index >= PyTuple_GET_SIZE(seq)) {
if (seq != NULL) {
it->it_seq = NULL;
Py_DECREF(seq);
}
Py_DECREF(iter);
STACK_SHRINK(1);
/* Jump forward oparg, then skip following END_FOR instruction */
JUMPBY(oparg + 1);
DISPATCH();
}
}
// _ITER_NEXT_TUPLE
{
_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;
DISPATCH();
}
TARGET(GET_AITER) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(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;
}
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;
DISPATCH();
}
TARGET(GET_ANEXT) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(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;
DISPATCH();
}
TARGET(GET_AWAITABLE) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(GET_AWAITABLE);
PyObject *iterable;
PyObject *iter;
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;
stack_pointer[-1] = iter;
DISPATCH();
}
TARGET(GET_ITER) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(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;
stack_pointer[-1] = iter;
DISPATCH();
}
TARGET(GET_LEN) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(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;
len_o = PyLong_FromSsize_t(len_i);
if (len_o == NULL) goto error;
stack_pointer[0] = len_o;
stack_pointer += 1;
DISPATCH();
}
TARGET(GET_YIELD_FROM_ITER) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(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;
DISPATCH();
}
TARGET(IMPORT_FROM) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(IMPORT_FROM);
PyObject *from;
PyObject *res;
from = stack_pointer[-1];
TIER_ONE_ONLY
PyObject *name = GETITEM(FRAME_CO_NAMES, oparg);
res = import_from(tstate, from, name);
if (res == NULL) goto error;
stack_pointer[0] = res;
stack_pointer += 1;
DISPATCH();
}
TARGET(IMPORT_NAME) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(IMPORT_NAME);
PyObject *fromlist;
PyObject *level;
PyObject *res;
fromlist = stack_pointer[-1];
level = stack_pointer[-2];
TIER_ONE_ONLY
PyObject *name = GETITEM(FRAME_CO_NAMES, oparg);
res = import_name(tstate, frame, name, fromlist, level);
Py_DECREF(level);
Py_DECREF(fromlist);
if (res == NULL) goto pop_2_error;
stack_pointer[-2] = res;
stack_pointer += -1;
DISPATCH();
}
TARGET(INSTRUMENTED_CALL) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 4;
INSTRUCTION_STATS(INSTRUMENTED_CALL);
/* Skip 3 cache entries */
int is_meth = PEEK(oparg + 1) != NULL;
int total_args = oparg + is_meth;
PyObject *function = PEEK(oparg + 2);
PyObject *arg = total_args == 0 ?
&_PyInstrumentation_MISSING : PEEK(total_args);
int err = _Py_call_instrumentation_2args(
tstate, PY_MONITORING_EVENT_CALL,
frame, this_instr, function, arg);
if (err) goto error;
INCREMENT_ADAPTIVE_COUNTER(this_instr[1].cache);
GO_TO_INSTRUCTION(CALL);
}
TARGET(INSTRUMENTED_CALL_FUNCTION_EX) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(INSTRUMENTED_CALL_FUNCTION_EX);
GO_TO_INSTRUCTION(CALL_FUNCTION_EX);
}
TARGET(INSTRUMENTED_CALL_KW) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(INSTRUMENTED_CALL_KW);
int is_meth = PEEK(oparg + 2) != NULL;
int total_args = oparg + is_meth;
PyObject *function = PEEK(oparg + 3);
PyObject *arg = total_args == 0 ? &_PyInstrumentation_MISSING
: PEEK(total_args + 1);
int err = _Py_call_instrumentation_2args(
tstate, PY_MONITORING_EVENT_CALL,
frame, this_instr, function, arg);
if (err) goto error;
GO_TO_INSTRUCTION(CALL_KW);
}
TARGET(INSTRUMENTED_END_FOR) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(INSTRUMENTED_END_FOR);
PyObject *value;
PyObject *receiver;
value = stack_pointer[-1];
receiver = stack_pointer[-2];
TIER_ONE_ONLY
/* Need to create a fake StopIteration error here,
* to conform to PEP 380 */
if (PyGen_Check(receiver)) {
PyErr_SetObject(PyExc_StopIteration, value);
if (monitor_stop_iteration(tstate, frame, this_instr)) {
GOTO_ERROR(error);
}
PyErr_SetRaisedException(NULL);
}
Py_DECREF(receiver);
Py_DECREF(value);
stack_pointer += -2;
DISPATCH();
}
TARGET(INSTRUMENTED_END_SEND) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(INSTRUMENTED_END_SEND);
PyObject *value;
PyObject *receiver;
value = stack_pointer[-1];
receiver = stack_pointer[-2];
TIER_ONE_ONLY
if (PyGen_Check(receiver) || PyCoro_CheckExact(receiver)) {
PyErr_SetObject(PyExc_StopIteration, value);
if (monitor_stop_iteration(tstate, frame, this_instr)) {
GOTO_ERROR(error);
}
PyErr_SetRaisedException(NULL);
}
Py_DECREF(receiver);
stack_pointer[-2] = value;
stack_pointer += -1;
DISPATCH();
}
TARGET(INSTRUMENTED_FOR_ITER) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(INSTRUMENTED_FOR_ITER);
/* Skip 1 cache entry */
_Py_CODEUNIT *target;
PyObject *iter = TOP();
PyObject *next = (*Py_TYPE(iter)->tp_iternext)(iter);
if (next != NULL) {
PUSH(next);
target = next_instr;
}
else {
if (_PyErr_Occurred(tstate)) {
if (!_PyErr_ExceptionMatches(tstate, PyExc_StopIteration)) {
GOTO_ERROR(error);
}
monitor_raise(tstate, frame, this_instr);
_PyErr_Clear(tstate);
}
/* iterator ended normally */
assert(next_instr[oparg].op.code == END_FOR ||
next_instr[oparg].op.code == INSTRUMENTED_END_FOR);
STACK_SHRINK(1);
Py_DECREF(iter);
/* Skip END_FOR */
target = next_instr + oparg + 1;
}
INSTRUMENTED_JUMP(this_instr, target, PY_MONITORING_EVENT_BRANCH);
DISPATCH();
}
TARGET(INSTRUMENTED_INSTRUCTION) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(INSTRUMENTED_INSTRUCTION);
int next_opcode = _Py_call_instrumentation_instruction(
tstate, frame, this_instr);
if (next_opcode < 0) goto error;
next_instr = this_instr;
if (_PyOpcode_Caches[next_opcode]) {
INCREMENT_ADAPTIVE_COUNTER(this_instr[1].cache);
}
assert(next_opcode > 0 && next_opcode < 256);
opcode = next_opcode;
DISPATCH_GOTO();
}
TARGET(INSTRUMENTED_JUMP_BACKWARD) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(INSTRUMENTED_JUMP_BACKWARD);
/* Skip 1 cache entry */
CHECK_EVAL_BREAKER();
INSTRUMENTED_JUMP(this_instr, next_instr - oparg, PY_MONITORING_EVENT_JUMP);
DISPATCH();
}
TARGET(INSTRUMENTED_JUMP_FORWARD) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(INSTRUMENTED_JUMP_FORWARD);
INSTRUMENTED_JUMP(this_instr, next_instr + oparg, PY_MONITORING_EVENT_JUMP);
DISPATCH();
}
TARGET(INSTRUMENTED_LOAD_SUPER_ATTR) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(INSTRUMENTED_LOAD_SUPER_ATTR);
/* Skip 1 cache entry */
// cancel out the decrement that will happen in LOAD_SUPER_ATTR; we
// don't want to specialize instrumented instructions
INCREMENT_ADAPTIVE_COUNTER(this_instr[1].cache);
GO_TO_INSTRUCTION(LOAD_SUPER_ATTR);
}
TARGET(INSTRUMENTED_POP_JUMP_IF_FALSE) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(INSTRUMENTED_POP_JUMP_IF_FALSE);
/* Skip 1 cache entry */
PyObject *cond = POP();
assert(PyBool_Check(cond));
int flag = Py_IsFalse(cond);
int offset = flag * oparg;
#if ENABLE_SPECIALIZATION
this_instr[1].cache = (this_instr[1].cache << 1) | flag;
#endif
INSTRUMENTED_JUMP(this_instr, next_instr + offset, PY_MONITORING_EVENT_BRANCH);
DISPATCH();
}
TARGET(INSTRUMENTED_POP_JUMP_IF_NONE) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(INSTRUMENTED_POP_JUMP_IF_NONE);
/* Skip 1 cache entry */
PyObject *value = POP();
int flag = Py_IsNone(value);
int offset;
if (flag) {
offset = oparg;
}
else {
Py_DECREF(value);
offset = 0;
}
#if ENABLE_SPECIALIZATION
this_instr[1].cache = (this_instr[1].cache << 1) | flag;
#endif
INSTRUMENTED_JUMP(this_instr, next_instr + offset, PY_MONITORING_EVENT_BRANCH);
DISPATCH();
}
TARGET(INSTRUMENTED_POP_JUMP_IF_NOT_NONE) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(INSTRUMENTED_POP_JUMP_IF_NOT_NONE);
/* Skip 1 cache entry */
PyObject *value = POP();
int offset;
int nflag = Py_IsNone(value);
if (nflag) {
offset = 0;
}
else {
Py_DECREF(value);
offset = oparg;
}
#if ENABLE_SPECIALIZATION
this_instr[1].cache = (this_instr[1].cache << 1) | !nflag;
#endif
INSTRUMENTED_JUMP(this_instr, next_instr + offset, PY_MONITORING_EVENT_BRANCH);
DISPATCH();
}
TARGET(INSTRUMENTED_POP_JUMP_IF_TRUE) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(INSTRUMENTED_POP_JUMP_IF_TRUE);
/* Skip 1 cache entry */
PyObject *cond = POP();
assert(PyBool_Check(cond));
int flag = Py_IsTrue(cond);
int offset = flag * oparg;
#if ENABLE_SPECIALIZATION
this_instr[1].cache = (this_instr[1].cache << 1) | flag;
#endif
INSTRUMENTED_JUMP(this_instr, next_instr + offset, PY_MONITORING_EVENT_BRANCH);
DISPATCH();
}
TARGET(INSTRUMENTED_RESUME) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(INSTRUMENTED_RESUME);
uintptr_t global_version = _Py_atomic_load_uintptr_relaxed(&tstate->interp->ceval.eval_breaker) & ~_PY_EVAL_EVENTS_MASK;
uintptr_t code_version = _PyFrame_GetCode(frame)->_co_instrumentation_version;
if (code_version != global_version) {
if (_Py_Instrument(_PyFrame_GetCode(frame), tstate->interp)) {
GOTO_ERROR(error);
}
next_instr = this_instr;
}
else {
if ((oparg & RESUME_OPARG_LOCATION_MASK) < RESUME_AFTER_YIELD_FROM) {
CHECK_EVAL_BREAKER();
}
_PyFrame_SetStackPointer(frame, stack_pointer);
int err = _Py_call_instrumentation(
tstate, oparg > 0, frame, this_instr);
stack_pointer = _PyFrame_GetStackPointer(frame);
if (err) goto error;
if (frame->instr_ptr != this_instr) {
/* Instrumentation has jumped */
next_instr = this_instr;
DISPATCH();
}
}
DISPATCH();
}
TARGET(INSTRUMENTED_RETURN_CONST) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(INSTRUMENTED_RETURN_CONST);
PyObject *retval = GETITEM(FRAME_CO_CONSTS, oparg);
int err = _Py_call_instrumentation_arg(
tstate, PY_MONITORING_EVENT_PY_RETURN,
frame, this_instr, retval);
if (err) GOTO_ERROR(error);
Py_INCREF(retval);
assert(EMPTY());
_PyFrame_SetStackPointer(frame, stack_pointer);
_Py_LeaveRecursiveCallPy(tstate);
assert(frame != &entry_frame);
// 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_IP(frame->return_offset);
goto resume_frame;
}
TARGET(INSTRUMENTED_RETURN_VALUE) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(INSTRUMENTED_RETURN_VALUE);
PyObject *retval;
retval = stack_pointer[-1];
int err = _Py_call_instrumentation_arg(
tstate, PY_MONITORING_EVENT_PY_RETURN,
frame, this_instr, retval);
if (err) GOTO_ERROR(error);
STACK_SHRINK(1);
assert(EMPTY());
_PyFrame_SetStackPointer(frame, stack_pointer);
_Py_LeaveRecursiveCallPy(tstate);
assert(frame != &entry_frame);
// 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_IP(frame->return_offset);
goto resume_frame;
}
TARGET(INSTRUMENTED_YIELD_VALUE) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(INSTRUMENTED_YIELD_VALUE);
PyObject *retval;
retval = stack_pointer[-1];
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);
int err = _Py_call_instrumentation_arg(
tstate, PY_MONITORING_EVENT_PY_YIELD,
frame, this_instr, retval);
if (err) GOTO_ERROR(error);
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;
}
TARGET(INTERPRETER_EXIT) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(INTERPRETER_EXIT);
PyObject *retval;
retval = stack_pointer[-1];
TIER_ONE_ONLY
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;
}
TARGET(IS_OP) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(IS_OP);
PyObject *right;
PyObject *left;
PyObject *b;
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;
DISPATCH();
}
TARGET(JUMP_BACKWARD) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(JUMP_BACKWARD);
/* Skip 1 cache entry */
CHECK_EVAL_BREAKER();
assert(oparg <= INSTR_OFFSET());
JUMPBY(-oparg);
#if ENABLE_SPECIALIZATION
this_instr[1].cache += (1 << OPTIMIZER_BITS_IN_COUNTER);
/* We are using unsigned values, but we really want signed values, so
* do the 2s complement comparison manually */
uint16_t ucounter = this_instr[1].cache + (1 << 15);
uint16_t threshold = tstate->interp->optimizer_backedge_threshold + (1 << 15);
// Double-check that the opcode isn't instrumented or something:
if (ucounter > threshold && this_instr->op.code == JUMP_BACKWARD) {
OPT_STAT_INC(attempts);
int optimized = _PyOptimizer_BackEdge(frame, this_instr, next_instr, stack_pointer);
if (optimized < 0) goto error;
if (optimized) {
// Rewind and enter the executor:
assert(this_instr->op.code == ENTER_EXECUTOR);
next_instr = this_instr;
this_instr[1].cache &= ((1 << OPTIMIZER_BITS_IN_COUNTER) - 1);
}
else {
int backoff = this_instr[1].cache & ((1 << OPTIMIZER_BITS_IN_COUNTER) - 1);
if (backoff < MINIMUM_TIER2_BACKOFF) {
backoff = MINIMUM_TIER2_BACKOFF;
}
else if (backoff < 15 - OPTIMIZER_BITS_IN_COUNTER) {
backoff++;
}
assert(backoff <= 15 - OPTIMIZER_BITS_IN_COUNTER);
this_instr[1].cache = ((1 << 16) - ((1 << OPTIMIZER_BITS_IN_COUNTER) << backoff)) | backoff;
}
}
#endif /* ENABLE_SPECIALIZATION */
DISPATCH();
}
TARGET(JUMP_BACKWARD_NO_INTERRUPT) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(JUMP_BACKWARD_NO_INTERRUPT);
TIER_ONE_ONLY
/* 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);
DISPATCH();
}
TARGET(JUMP_FORWARD) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(JUMP_FORWARD);
TIER_ONE_ONLY
JUMPBY(oparg);
DISPATCH();
}
TARGET(LIST_APPEND) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(LIST_APPEND);
PyObject *v;
PyObject *list;
v = stack_pointer[-1];
list = stack_pointer[-2 - (oparg-1)];
if (_PyList_AppendTakeRef((PyListObject *)list, v) < 0) goto pop_1_error;
stack_pointer += -1;
DISPATCH();
}
TARGET(LIST_EXTEND) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(LIST_EXTEND);
PyObject *iterable;
PyObject *list;
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;
}
assert(Py_IsNone(none_val));
Py_DECREF(iterable);
stack_pointer += -1;
DISPATCH();
}
TARGET(LOAD_ASSERTION_ERROR) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(LOAD_ASSERTION_ERROR);
PyObject *value;
value = Py_NewRef(PyExc_AssertionError);
stack_pointer[0] = value;
stack_pointer += 1;
DISPATCH();
}
TARGET(LOAD_ATTR) {
frame->instr_ptr = next_instr;
next_instr += 10;
INSTRUCTION_STATS(LOAD_ATTR);
PREDICTED(LOAD_ATTR);
_Py_CODEUNIT *this_instr = next_instr - 10;
PyObject *owner;
PyObject *attr;
PyObject *self_or_null = NULL;
// _SPECIALIZE_LOAD_ATTR
owner = stack_pointer[-1];
{
uint16_t counter = read_u16(&this_instr[1].cache);
TIER_ONE_ONLY
#if ENABLE_SPECIALIZATION
if (ADAPTIVE_COUNTER_IS_ZERO(counter)) {
PyObject *name = GETITEM(FRAME_CO_NAMES, oparg>>1);
next_instr = this_instr;
_Py_Specialize_LoadAttr(owner, next_instr, name);
DISPATCH_SAME_OPARG();
}
STAT_INC(LOAD_ATTR, deferred);
DECREMENT_ADAPTIVE_COUNTER(this_instr[1].cache);
#endif /* ENABLE_SPECIALIZATION */
}
/* Skip 8 cache entries */
// _LOAD_ATTR
{
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;
self_or_null = NULL;
}
}
else {
/* Classic, pushes one value. */
attr = PyObject_GetAttr(owner, name);
Py_DECREF(owner);
if (attr == NULL) goto pop_1_error;
}
}
stack_pointer[-1] = attr;
if (oparg & 1) stack_pointer[0] = self_or_null;
stack_pointer += (oparg & 1);
DISPATCH();
}
TARGET(LOAD_ATTR_CLASS) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 10;
INSTRUCTION_STATS(LOAD_ATTR_CLASS);
static_assert(INLINE_CACHE_ENTRIES_LOAD_ATTR == 9, "incorrect cache size");
PyObject *owner;
PyObject *attr;
PyObject *null = NULL;
/* Skip 1 cache entry */
// _CHECK_ATTR_CLASS
owner = stack_pointer[-1];
{
uint32_t type_version = read_u32(&this_instr[2].cache);
DEOPT_IF(!PyType_Check(owner), LOAD_ATTR);
assert(type_version != 0);
DEOPT_IF(((PyTypeObject *)owner)->tp_version_tag != type_version, LOAD_ATTR);
}
/* Skip 2 cache entries */
// _LOAD_ATTR_CLASS
{
PyObject *descr = read_obj(&this_instr[6].cache);
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);
DISPATCH();
}
TARGET(LOAD_ATTR_GETATTRIBUTE_OVERRIDDEN) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 10;
INSTRUCTION_STATS(LOAD_ATTR_GETATTRIBUTE_OVERRIDDEN);
static_assert(INLINE_CACHE_ENTRIES_LOAD_ATTR == 9, "incorrect cache size");
PyObject *owner;
/* Skip 1 cache entry */
owner = stack_pointer[-1];
uint32_t type_version = read_u32(&this_instr[2].cache);
uint32_t func_version = read_u32(&this_instr[4].cache);
PyObject *getattribute = read_obj(&this_instr[6].cache);
assert((oparg & 1) == 0);
DEOPT_IF(tstate->interp->eval_frame, LOAD_ATTR);
PyTypeObject *cls = Py_TYPE(owner);
assert(type_version != 0);
DEOPT_IF(cls->tp_version_tag != type_version, LOAD_ATTR);
assert(Py_IS_TYPE(getattribute, &PyFunction_Type));
PyFunctionObject *f = (PyFunctionObject *)getattribute;
assert(func_version != 0);
DEOPT_IF(f->func_version != func_version, LOAD_ATTR);
PyCodeObject *code = (PyCodeObject *)f->func_code;
assert(code->co_argcount == 2);
DEOPT_IF(!_PyThreadState_HasStackSpace(tstate, code->co_framesize), LOAD_ATTR);
STAT_INC(LOAD_ATTR, hit);
PyObject *name = GETITEM(FRAME_CO_NAMES, oparg >> 1);
Py_INCREF(f);
_PyInterpreterFrame *new_frame = _PyFrame_PushUnchecked(tstate, f, 2);
// Manipulate stack directly because we exit with DISPATCH_INLINED().
STACK_SHRINK(1);
new_frame->localsplus[0] = owner;
new_frame->localsplus[1] = Py_NewRef(name);
frame->return_offset = (uint16_t)(next_instr - this_instr);
DISPATCH_INLINED(new_frame);
}
TARGET(LOAD_ATTR_INSTANCE_VALUE) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 10;
INSTRUCTION_STATS(LOAD_ATTR_INSTANCE_VALUE);
static_assert(INLINE_CACHE_ENTRIES_LOAD_ATTR == 9, "incorrect cache size");
PyObject *owner;
PyObject *attr;
PyObject *null = NULL;
/* Skip 1 cache entry */
// _GUARD_TYPE_VERSION
owner = stack_pointer[-1];
{
uint32_t type_version = read_u32(&this_instr[2].cache);
PyTypeObject *tp = Py_TYPE(owner);
assert(type_version != 0);
DEOPT_IF(tp->tp_version_tag != type_version, LOAD_ATTR);
}
// _CHECK_MANAGED_OBJECT_HAS_VALUES
{
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) && !_PyObject_MakeInstanceAttributesFromDict(owner, dorv), LOAD_ATTR);
}
// _LOAD_ATTR_INSTANCE_VALUE
{
uint16_t index = read_u16(&this_instr[4].cache);
PyDictOrValues dorv = *_PyObject_DictOrValuesPointer(owner);
attr = _PyDictOrValues_GetValues(dorv)->values[index];
DEOPT_IF(attr == NULL, LOAD_ATTR);
STAT_INC(LOAD_ATTR, hit);
Py_INCREF(attr);
null = NULL;
Py_DECREF(owner);
}
/* Skip 5 cache entries */
stack_pointer[-1] = attr;
if (oparg & 1) stack_pointer[0] = null;
stack_pointer += (oparg & 1);
DISPATCH();
}
TARGET(LOAD_ATTR_METHOD_LAZY_DICT) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 10;
INSTRUCTION_STATS(LOAD_ATTR_METHOD_LAZY_DICT);
static_assert(INLINE_CACHE_ENTRIES_LOAD_ATTR == 9, "incorrect cache size");
PyObject *owner;
PyObject *attr;
PyObject *self = NULL;
/* Skip 1 cache entry */
// _GUARD_TYPE_VERSION
owner = stack_pointer[-1];
{
uint32_t type_version = read_u32(&this_instr[2].cache);
PyTypeObject *tp = Py_TYPE(owner);
assert(type_version != 0);
DEOPT_IF(tp->tp_version_tag != type_version, LOAD_ATTR);
}
// _CHECK_ATTR_METHOD_LAZY_DICT
{
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 */
DEOPT_IF(dict != NULL, LOAD_ATTR);
}
/* Skip 2 cache entries */
// _LOAD_ATTR_METHOD_LAZY_DICT
{
PyObject *descr = read_obj(&this_instr[6].cache);
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);
DISPATCH();
}
TARGET(LOAD_ATTR_METHOD_NO_DICT) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 10;
INSTRUCTION_STATS(LOAD_ATTR_METHOD_NO_DICT);
static_assert(INLINE_CACHE_ENTRIES_LOAD_ATTR == 9, "incorrect cache size");
PyObject *owner;
PyObject *attr;
PyObject *self = NULL;
/* Skip 1 cache entry */
// _GUARD_TYPE_VERSION
owner = stack_pointer[-1];
{
uint32_t type_version = read_u32(&this_instr[2].cache);
PyTypeObject *tp = Py_TYPE(owner);
assert(type_version != 0);
DEOPT_IF(tp->tp_version_tag != type_version, LOAD_ATTR);
}
/* Skip 2 cache entries */
// _LOAD_ATTR_METHOD_NO_DICT
{
PyObject *descr = read_obj(&this_instr[6].cache);
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);
DISPATCH();
}
TARGET(LOAD_ATTR_METHOD_WITH_VALUES) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 10;
INSTRUCTION_STATS(LOAD_ATTR_METHOD_WITH_VALUES);
static_assert(INLINE_CACHE_ENTRIES_LOAD_ATTR == 9, "incorrect cache size");
PyObject *owner;
PyObject *attr;
PyObject *self = NULL;
/* Skip 1 cache entry */
// _GUARD_TYPE_VERSION
owner = stack_pointer[-1];
{
uint32_t type_version = read_u32(&this_instr[2].cache);
PyTypeObject *tp = Py_TYPE(owner);
assert(type_version != 0);
DEOPT_IF(tp->tp_version_tag != type_version, LOAD_ATTR);
}
// _GUARD_DORV_VALUES_INST_ATTR_FROM_DICT
{
assert(Py_TYPE(owner)->tp_flags & Py_TPFLAGS_MANAGED_DICT);
PyDictOrValues *dorv = _PyObject_DictOrValuesPointer(owner);
DEOPT_IF(!_PyDictOrValues_IsValues(*dorv) && !_PyObject_MakeInstanceAttributesFromDict(owner, dorv), LOAD_ATTR);
}
// _GUARD_KEYS_VERSION
{
uint32_t keys_version = read_u32(&this_instr[4].cache);
PyTypeObject *owner_cls = Py_TYPE(owner);
PyHeapTypeObject *owner_heap_type = (PyHeapTypeObject *)owner_cls;
DEOPT_IF(owner_heap_type->ht_cached_keys->dk_version != keys_version, LOAD_ATTR);
}
// _LOAD_ATTR_METHOD_WITH_VALUES
{
PyObject *descr = read_obj(&this_instr[6].cache);
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);
DISPATCH();
}
TARGET(LOAD_ATTR_MODULE) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 10;
INSTRUCTION_STATS(LOAD_ATTR_MODULE);
static_assert(INLINE_CACHE_ENTRIES_LOAD_ATTR == 9, "incorrect cache size");
PyObject *owner;
PyObject *attr;
PyObject *null = NULL;
/* Skip 1 cache entry */
// _CHECK_ATTR_MODULE
owner = stack_pointer[-1];
{
uint32_t type_version = read_u32(&this_instr[2].cache);
DEOPT_IF(!PyModule_CheckExact(owner), LOAD_ATTR);
PyDictObject *dict = (PyDictObject *)((PyModuleObject *)owner)->md_dict;
assert(dict != NULL);
DEOPT_IF(dict->ma_keys->dk_version != type_version, LOAD_ATTR);
}
// _LOAD_ATTR_MODULE
{
uint16_t index = read_u16(&this_instr[4].cache);
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;
DEOPT_IF(attr == NULL, LOAD_ATTR);
STAT_INC(LOAD_ATTR, hit);
Py_INCREF(attr);
null = NULL;
Py_DECREF(owner);
}
/* Skip 5 cache entries */
stack_pointer[-1] = attr;
if (oparg & 1) stack_pointer[0] = null;
stack_pointer += (oparg & 1);
DISPATCH();
}
TARGET(LOAD_ATTR_NONDESCRIPTOR_NO_DICT) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 10;
INSTRUCTION_STATS(LOAD_ATTR_NONDESCRIPTOR_NO_DICT);
static_assert(INLINE_CACHE_ENTRIES_LOAD_ATTR == 9, "incorrect cache size");
PyObject *owner;
PyObject *attr;
/* Skip 1 cache entry */
// _GUARD_TYPE_VERSION
owner = stack_pointer[-1];
{
uint32_t type_version = read_u32(&this_instr[2].cache);
PyTypeObject *tp = Py_TYPE(owner);
assert(type_version != 0);
DEOPT_IF(tp->tp_version_tag != type_version, LOAD_ATTR);
}
/* Skip 2 cache entries */
// _LOAD_ATTR_NONDESCRIPTOR_NO_DICT
{
PyObject *descr = read_obj(&this_instr[6].cache);
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);
DISPATCH();
}
TARGET(LOAD_ATTR_NONDESCRIPTOR_WITH_VALUES) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 10;
INSTRUCTION_STATS(LOAD_ATTR_NONDESCRIPTOR_WITH_VALUES);
static_assert(INLINE_CACHE_ENTRIES_LOAD_ATTR == 9, "incorrect cache size");
PyObject *owner;
PyObject *attr;
/* Skip 1 cache entry */
// _GUARD_TYPE_VERSION
owner = stack_pointer[-1];
{
uint32_t type_version = read_u32(&this_instr[2].cache);
PyTypeObject *tp = Py_TYPE(owner);
assert(type_version != 0);
DEOPT_IF(tp->tp_version_tag != type_version, LOAD_ATTR);
}
// _GUARD_DORV_VALUES_INST_ATTR_FROM_DICT
{
assert(Py_TYPE(owner)->tp_flags & Py_TPFLAGS_MANAGED_DICT);
PyDictOrValues *dorv = _PyObject_DictOrValuesPointer(owner);
DEOPT_IF(!_PyDictOrValues_IsValues(*dorv) && !_PyObject_MakeInstanceAttributesFromDict(owner, dorv), LOAD_ATTR);
}
// _GUARD_KEYS_VERSION
{
uint32_t keys_version = read_u32(&this_instr[4].cache);
PyTypeObject *owner_cls = Py_TYPE(owner);
PyHeapTypeObject *owner_heap_type = (PyHeapTypeObject *)owner_cls;
DEOPT_IF(owner_heap_type->ht_cached_keys->dk_version != keys_version, LOAD_ATTR);
}
// _LOAD_ATTR_NONDESCRIPTOR_WITH_VALUES
{
PyObject *descr = read_obj(&this_instr[6].cache);
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);
DISPATCH();
}
TARGET(LOAD_ATTR_PROPERTY) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 10;
INSTRUCTION_STATS(LOAD_ATTR_PROPERTY);
static_assert(INLINE_CACHE_ENTRIES_LOAD_ATTR == 9, "incorrect cache size");
PyObject *owner;
/* Skip 1 cache entry */
owner = stack_pointer[-1];
uint32_t type_version = read_u32(&this_instr[2].cache);
uint32_t func_version = read_u32(&this_instr[4].cache);
PyObject *fget = read_obj(&this_instr[6].cache);
assert((oparg & 1) == 0);
DEOPT_IF(tstate->interp->eval_frame, LOAD_ATTR);
PyTypeObject *cls = Py_TYPE(owner);
assert(type_version != 0);
DEOPT_IF(cls->tp_version_tag != type_version, LOAD_ATTR);
assert(Py_IS_TYPE(fget, &PyFunction_Type));
PyFunctionObject *f = (PyFunctionObject *)fget;
assert(func_version != 0);
DEOPT_IF(f->func_version != func_version, LOAD_ATTR);
PyCodeObject *code = (PyCodeObject *)f->func_code;
assert(code->co_argcount == 1);
DEOPT_IF(!_PyThreadState_HasStackSpace(tstate, code->co_framesize), LOAD_ATTR);
STAT_INC(LOAD_ATTR, hit);
Py_INCREF(fget);
_PyInterpreterFrame *new_frame = _PyFrame_PushUnchecked(tstate, f, 1);
// Manipulate stack directly because we exit with DISPATCH_INLINED().
STACK_SHRINK(1);
new_frame->localsplus[0] = owner;
frame->return_offset = (uint16_t)(next_instr - this_instr);
DISPATCH_INLINED(new_frame);
}
TARGET(LOAD_ATTR_SLOT) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 10;
INSTRUCTION_STATS(LOAD_ATTR_SLOT);
static_assert(INLINE_CACHE_ENTRIES_LOAD_ATTR == 9, "incorrect cache size");
PyObject *owner;
PyObject *attr;
PyObject *null = NULL;
/* Skip 1 cache entry */
// _GUARD_TYPE_VERSION
owner = stack_pointer[-1];
{
uint32_t type_version = read_u32(&this_instr[2].cache);
PyTypeObject *tp = Py_TYPE(owner);
assert(type_version != 0);
DEOPT_IF(tp->tp_version_tag != type_version, LOAD_ATTR);
}
// _LOAD_ATTR_SLOT
{
uint16_t index = read_u16(&this_instr[4].cache);
char *addr = (char *)owner + index;
attr = *(PyObject **)addr;
DEOPT_IF(attr == NULL, LOAD_ATTR);
STAT_INC(LOAD_ATTR, hit);
Py_INCREF(attr);
null = NULL;
Py_DECREF(owner);
}
/* Skip 5 cache entries */
stack_pointer[-1] = attr;
if (oparg & 1) stack_pointer[0] = null;
stack_pointer += (oparg & 1);
DISPATCH();
}
TARGET(LOAD_ATTR_WITH_HINT) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 10;
INSTRUCTION_STATS(LOAD_ATTR_WITH_HINT);
static_assert(INLINE_CACHE_ENTRIES_LOAD_ATTR == 9, "incorrect cache size");
PyObject *owner;
PyObject *attr;
PyObject *null = NULL;
/* Skip 1 cache entry */
// _GUARD_TYPE_VERSION
owner = stack_pointer[-1];
{
uint32_t type_version = read_u32(&this_instr[2].cache);
PyTypeObject *tp = Py_TYPE(owner);
assert(type_version != 0);
DEOPT_IF(tp->tp_version_tag != type_version, LOAD_ATTR);
}
// _CHECK_ATTR_WITH_HINT
{
assert(Py_TYPE(owner)->tp_flags & Py_TPFLAGS_MANAGED_DICT);
PyDictOrValues dorv = *_PyObject_DictOrValuesPointer(owner);
DEOPT_IF(_PyDictOrValues_IsValues(dorv), LOAD_ATTR);
PyDictObject *dict = (PyDictObject *)_PyDictOrValues_GetDict(dorv);
DEOPT_IF(dict == NULL, LOAD_ATTR);
assert(PyDict_CheckExact((PyObject *)dict));
}
// _LOAD_ATTR_WITH_HINT
{
uint16_t hint = read_u16(&this_instr[4].cache);
PyDictOrValues dorv = *_PyObject_DictOrValuesPointer(owner);
PyDictObject *dict = (PyDictObject *)_PyDictOrValues_GetDict(dorv);
DEOPT_IF(hint >= (size_t)dict->ma_keys->dk_nentries, LOAD_ATTR);
PyObject *name = GETITEM(FRAME_CO_NAMES, oparg>>1);
if (DK_IS_UNICODE(dict->ma_keys)) {
PyDictUnicodeEntry *ep = DK_UNICODE_ENTRIES(dict->ma_keys) + hint;
DEOPT_IF(ep->me_key != name, LOAD_ATTR);
attr = ep->me_value;
}
else {
PyDictKeyEntry *ep = DK_ENTRIES(dict->ma_keys) + hint;
DEOPT_IF(ep->me_key != name, LOAD_ATTR);
attr = ep->me_value;
}
DEOPT_IF(attr == NULL, LOAD_ATTR);
STAT_INC(LOAD_ATTR, hit);
Py_INCREF(attr);
null = NULL;
Py_DECREF(owner);
}
/* Skip 5 cache entries */
stack_pointer[-1] = attr;
if (oparg & 1) stack_pointer[0] = null;
stack_pointer += (oparg & 1);
DISPATCH();
}
TARGET(LOAD_BUILD_CLASS) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(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_pointer[0] = bc;
stack_pointer += 1;
DISPATCH();
}
TARGET(LOAD_CONST) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(LOAD_CONST);
PyObject *value;
value = GETITEM(FRAME_CO_CONSTS, oparg);
Py_INCREF(value);
stack_pointer[0] = value;
stack_pointer += 1;
DISPATCH();
}
TARGET(LOAD_DEREF) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(LOAD_DEREF);
PyObject *value;
PyObject *cell = GETLOCAL(oparg);
value = PyCell_GET(cell);
if (value == NULL) {
_PyEval_FormatExcUnbound(tstate, _PyFrame_GetCode(frame), oparg);
if (true) goto error;
}
Py_INCREF(value);
stack_pointer[0] = value;
stack_pointer += 1;
DISPATCH();
}
TARGET(LOAD_FAST) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(LOAD_FAST);
PyObject *value;
value = GETLOCAL(oparg);
assert(value != NULL);
Py_INCREF(value);
stack_pointer[0] = value;
stack_pointer += 1;
DISPATCH();
}
TARGET(LOAD_FAST_AND_CLEAR) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(LOAD_FAST_AND_CLEAR);
PyObject *value;
value = GETLOCAL(oparg);
// do not use SETLOCAL here, it decrefs the old value
GETLOCAL(oparg) = NULL;
stack_pointer[0] = value;
stack_pointer += 1;
DISPATCH();
}
TARGET(LOAD_FAST_CHECK) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(LOAD_FAST_CHECK);
PyObject *value;
value = GETLOCAL(oparg);
if (value == NULL) goto unbound_local_error;
Py_INCREF(value);
stack_pointer[0] = value;
stack_pointer += 1;
DISPATCH();
}
TARGET(LOAD_FAST_LOAD_FAST) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(LOAD_FAST_LOAD_FAST);
PyObject *value1;
PyObject *value2;
uint32_t oparg1 = oparg >> 4;
uint32_t oparg2 = oparg & 15;
value1 = GETLOCAL(oparg1);
value2 = GETLOCAL(oparg2);
Py_INCREF(value1);
Py_INCREF(value2);
stack_pointer[0] = value1;
stack_pointer[1] = value2;
stack_pointer += 2;
DISPATCH();
}
TARGET(LOAD_FROM_DICT_OR_DEREF) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(LOAD_FROM_DICT_OR_DEREF);
PyObject *class_dict;
PyObject *value;
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;
DISPATCH();
}
TARGET(LOAD_FROM_DICT_OR_GLOBALS) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(LOAD_FROM_DICT_OR_GLOBALS);
PyObject *mod_or_class_dict;
PyObject *v;
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;
DISPATCH();
}
TARGET(LOAD_GLOBAL) {
frame->instr_ptr = next_instr;
next_instr += 5;
INSTRUCTION_STATS(LOAD_GLOBAL);
PREDICTED(LOAD_GLOBAL);
_Py_CODEUNIT *this_instr = next_instr - 5;
PyObject *res;
PyObject *null = NULL;
// _SPECIALIZE_LOAD_GLOBAL
{
uint16_t counter = read_u16(&this_instr[1].cache);
TIER_ONE_ONLY
#if ENABLE_SPECIALIZATION
if (ADAPTIVE_COUNTER_IS_ZERO(counter)) {
PyObject *name = GETITEM(FRAME_CO_NAMES, oparg>>1);
next_instr = this_instr;
_Py_Specialize_LoadGlobal(GLOBALS(), BUILTINS(), next_instr, name);
DISPATCH_SAME_OPARG();
}
STAT_INC(LOAD_GLOBAL, deferred);
DECREMENT_ADAPTIVE_COUNTER(this_instr[1].cache);
#endif /* ENABLE_SPECIALIZATION */
}
/* Skip 1 cache entry */
/* Skip 1 cache entry */
/* Skip 1 cache entry */
// _LOAD_GLOBAL
{
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;
}
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;
if (res == NULL) {
/* namespace 2: builtins */
if (PyMapping_GetOptionalItem(BUILTINS(), name, &res) < 0) goto error;
if (res == NULL) {
_PyEval_FormatExcCheckArg(
tstate, PyExc_NameError,
NAME_ERROR_MSG, name);
if (true) goto error;
}
}
}
null = NULL;
}
stack_pointer[0] = res;
if (oparg & 1) stack_pointer[1] = null;
stack_pointer += 1 + (oparg & 1);
DISPATCH();
}
TARGET(LOAD_GLOBAL_BUILTIN) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 5;
INSTRUCTION_STATS(LOAD_GLOBAL_BUILTIN);
static_assert(INLINE_CACHE_ENTRIES_LOAD_GLOBAL == 4, "incorrect cache size");
PyObject *res;
PyObject *null = NULL;
/* Skip 1 cache entry */
// _GUARD_GLOBALS_VERSION
{
uint16_t version = read_u16(&this_instr[2].cache);
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));
}
// _GUARD_BUILTINS_VERSION
{
uint16_t version = read_u16(&this_instr[3].cache);
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));
}
// _LOAD_GLOBAL_BUILTINS
{
uint16_t index = read_u16(&this_instr[4].cache);
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_pointer[0] = res;
if (oparg & 1) stack_pointer[1] = null;
stack_pointer += 1 + (oparg & 1);
DISPATCH();
}
TARGET(LOAD_GLOBAL_MODULE) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 5;
INSTRUCTION_STATS(LOAD_GLOBAL_MODULE);
static_assert(INLINE_CACHE_ENTRIES_LOAD_GLOBAL == 4, "incorrect cache size");
PyObject *res;
PyObject *null = NULL;
/* Skip 1 cache entry */
// _GUARD_GLOBALS_VERSION
{
uint16_t version = read_u16(&this_instr[2].cache);
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));
}
/* Skip 1 cache entry */
// _LOAD_GLOBAL_MODULE
{
uint16_t index = read_u16(&this_instr[4].cache);
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_pointer[0] = res;
if (oparg & 1) stack_pointer[1] = null;
stack_pointer += 1 + (oparg & 1);
DISPATCH();
}
TARGET(LOAD_LOCALS) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(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_pointer[0] = locals;
stack_pointer += 1;
DISPATCH();
}
TARGET(LOAD_NAME) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(LOAD_NAME);
PyObject *v;
PyObject *mod_or_class_dict = LOCALS();
if (mod_or_class_dict == NULL) {
_PyErr_SetString(tstate, PyExc_SystemError,
"no locals found");
if (true) goto error;
}
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;
DISPATCH();
}
TARGET(LOAD_SUPER_ATTR) {
frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(LOAD_SUPER_ATTR);
PREDICTED(LOAD_SUPER_ATTR);
_Py_CODEUNIT *this_instr = next_instr - 2;
PyObject *class;
PyObject *global_super;
PyObject *self;
PyObject *attr;
PyObject *null = NULL;
// _SPECIALIZE_LOAD_SUPER_ATTR
class = stack_pointer[-2];
global_super = stack_pointer[-3];
{
uint16_t counter = read_u16(&this_instr[1].cache);
TIER_ONE_ONLY
#if ENABLE_SPECIALIZATION
int load_method = oparg & 1;
if (ADAPTIVE_COUNTER_IS_ZERO(counter)) {
next_instr = this_instr;
_Py_Specialize_LoadSuperAttr(global_super, class, next_instr, load_method);
DISPATCH_SAME_OPARG();
}
STAT_INC(LOAD_SUPER_ATTR, deferred);
DECREMENT_ADAPTIVE_COUNTER(this_instr[1].cache);
#endif /* ENABLE_SPECIALIZATION */
}
// _LOAD_SUPER_ATTR
self = stack_pointer[-1];
{
TIER_ONE_ONLY
if (opcode == INSTRUMENTED_LOAD_SUPER_ATTR) {
PyObject *arg = oparg & 2 ? class : &_PyInstrumentation_MISSING;
int err = _Py_call_instrumentation_2args(
tstate, PY_MONITORING_EVENT_CALL,
frame, this_instr, global_super, arg);
if (err) goto pop_3_error;
}
// we make no attempt to optimize here; specializations should
// handle any case whose performance we care about
PyObject *stack[] = {class, self};
PyObject *super = PyObject_Vectorcall(global_super, stack, oparg & 2, NULL);
if (opcode == INSTRUMENTED_LOAD_SUPER_ATTR) {
PyObject *arg = oparg & 2 ? class : &_PyInstrumentation_MISSING;
if (super == NULL) {
_Py_call_instrumentation_exc2(
tstate, PY_MONITORING_EVENT_C_RAISE,
frame, this_instr, global_super, arg);
}
else {
int err = _Py_call_instrumentation_2args(
tstate, PY_MONITORING_EVENT_C_RETURN,
frame, this_instr, global_super, arg);
if (err < 0) {
Py_CLEAR(super);
}
}
}
Py_DECREF(global_super);
Py_DECREF(class);
Py_DECREF(self);
if (super == NULL) goto pop_3_error;
PyObject *name = GETITEM(FRAME_CO_NAMES, oparg >> 2);
attr = PyObject_GetAttr(super, name);
Py_DECREF(super);
if (attr == NULL) goto pop_3_error;
null = NULL;
}
stack_pointer[-3] = attr;
if (oparg & 1) stack_pointer[-2] = null;
stack_pointer += -2 + (oparg & 1);
DISPATCH();
}
TARGET(LOAD_SUPER_ATTR_ATTR) {
frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(LOAD_SUPER_ATTR_ATTR);
static_assert(INLINE_CACHE_ENTRIES_LOAD_SUPER_ATTR == 1, "incorrect cache size");
PyObject *self;
PyObject *class;
PyObject *global_super;
PyObject *attr;
/* Skip 1 cache entry */
self = stack_pointer[-1];
class = stack_pointer[-2];
global_super = stack_pointer[-3];
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);
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;
stack_pointer[-3] = attr;
stack_pointer += -2 + ((0) ? 1 : 0);
DISPATCH();
}
TARGET(LOAD_SUPER_ATTR_METHOD) {
frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(LOAD_SUPER_ATTR_METHOD);
static_assert(INLINE_CACHE_ENTRIES_LOAD_SUPER_ATTR == 1, "incorrect cache size");
PyObject *self;
PyObject *class;
PyObject *global_super;
PyObject *attr;
PyObject *self_or_null;
/* Skip 1 cache entry */
self = stack_pointer[-1];
class = stack_pointer[-2];
global_super = stack_pointer[-3];
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;
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;
}
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;
DISPATCH();
}
TARGET(MAKE_CELL) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(MAKE_CELL);
// "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);
DISPATCH();
}
TARGET(MAKE_FUNCTION) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(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;
DISPATCH();
}
TARGET(MAP_ADD) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(MAP_ADD);
PyObject *value;
PyObject *key;
PyObject *dict;
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;
stack_pointer += -2;
DISPATCH();
}
TARGET(MATCH_CLASS) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(MATCH_CLASS);
PyObject *names;
PyObject *type;
PyObject *subject;
PyObject *attrs;
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;
// Error!
attrs = Py_None; // Failure!
}
stack_pointer[-3] = attrs;
stack_pointer += -2;
DISPATCH();
}
TARGET(MATCH_KEYS) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(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;
stack_pointer[0] = values_or_none;
stack_pointer += 1;
DISPATCH();
}
TARGET(MATCH_MAPPING) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(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;
DISPATCH();
}
TARGET(MATCH_SEQUENCE) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(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;
DISPATCH();
}
TARGET(NOP) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(NOP);
DISPATCH();
}
TARGET(POP_EXCEPT) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(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 == Py_None ? NULL : exc_value);
stack_pointer += -1;
DISPATCH();
}
TARGET(POP_JUMP_IF_FALSE) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(POP_JUMP_IF_FALSE);
PyObject *cond;
/* Skip 1 cache entry */
cond = stack_pointer[-1];
assert(PyBool_Check(cond));
int flag = Py_IsFalse(cond);
#if ENABLE_SPECIALIZATION
this_instr[1].cache = (this_instr[1].cache << 1) | flag;
#endif
JUMPBY(oparg * flag);
stack_pointer += -1;
DISPATCH();
}
TARGET(POP_JUMP_IF_NONE) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(POP_JUMP_IF_NONE);
PyObject *value;
PyObject *b;
PyObject *cond;
/* Skip 1 cache entry */
// _IS_NONE
value = stack_pointer[-1];
{
if (Py_IsNone(value)) {
b = Py_True;
}
else {
b = Py_False;
Py_DECREF(value);
}
}
// _POP_JUMP_IF_TRUE
cond = b;
{
assert(PyBool_Check(cond));
int flag = Py_IsTrue(cond);
#if ENABLE_SPECIALIZATION
this_instr[1].cache = (this_instr[1].cache << 1) | flag;
#endif
JUMPBY(oparg * flag);
}
stack_pointer += -1;
DISPATCH();
}
TARGET(POP_JUMP_IF_NOT_NONE) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(POP_JUMP_IF_NOT_NONE);
PyObject *value;
PyObject *b;
PyObject *cond;
/* Skip 1 cache entry */
// _IS_NONE
value = stack_pointer[-1];
{
if (Py_IsNone(value)) {
b = Py_True;
}
else {
b = Py_False;
Py_DECREF(value);
}
}
// _POP_JUMP_IF_FALSE
cond = b;
{
assert(PyBool_Check(cond));
int flag = Py_IsFalse(cond);
#if ENABLE_SPECIALIZATION
this_instr[1].cache = (this_instr[1].cache << 1) | flag;
#endif
JUMPBY(oparg * flag);
}
stack_pointer += -1;
DISPATCH();
}
TARGET(POP_JUMP_IF_TRUE) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(POP_JUMP_IF_TRUE);
PyObject *cond;
/* Skip 1 cache entry */
cond = stack_pointer[-1];
assert(PyBool_Check(cond));
int flag = Py_IsTrue(cond);
#if ENABLE_SPECIALIZATION
this_instr[1].cache = (this_instr[1].cache << 1) | flag;
#endif
JUMPBY(oparg * flag);
stack_pointer += -1;
DISPATCH();
}
TARGET(POP_TOP) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(POP_TOP);
PyObject *value;
value = stack_pointer[-1];
Py_DECREF(value);
stack_pointer += -1;
DISPATCH();
}
TARGET(PUSH_EXC_INFO) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(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;
DISPATCH();
}
TARGET(PUSH_NULL) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(PUSH_NULL);
PyObject *res;
res = NULL;
stack_pointer[0] = res;
stack_pointer += 1;
DISPATCH();
}
TARGET(RAISE_VARARGS) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(RAISE_VARARGS);
PyObject **args;
args = &stack_pointer[-oparg];
TIER_ONE_ONLY
PyObject *cause = NULL, *exc = NULL;
switch (oparg) {
case 2:
cause = args[1];
/* fall through */
case 1:
exc = args[0];
/* fall through */
case 0:
if (do_raise(tstate, exc, cause)) {
assert(oparg == 0);
monitor_reraise(tstate, frame, this_instr);
goto exception_unwind;
}
break;
default:
_PyErr_SetString(tstate, PyExc_SystemError,
"bad RAISE_VARARGS oparg");
break;
}
if (true) { stack_pointer += -oparg; goto error; }
}
TARGET(RERAISE) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(RERAISE);
PyObject *exc;
PyObject **values;
exc = stack_pointer[-1];
values = &stack_pointer[-1 - oparg];
TIER_ONE_ONLY
assert(oparg >= 0 && oparg <= 2);
if (oparg) {
PyObject *lasti = values[0];
if (PyLong_Check(lasti)) {
frame->instr_ptr = _PyCode_CODE(_PyFrame_GetCode(frame)) + PyLong_AsLong(lasti);
assert(!_PyErr_Occurred(tstate));
}
else {
assert(PyLong_Check(lasti));
_PyErr_SetString(tstate, PyExc_SystemError, "lasti is not an int");
GOTO_ERROR(error);
}
}
assert(exc && PyExceptionInstance_Check(exc));
Py_INCREF(exc);
_PyErr_SetRaisedException(tstate, exc);
monitor_reraise(tstate, frame, this_instr);
goto exception_unwind;
}
TARGET(RESERVED) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(RESERVED);
TIER_ONE_ONLY
assert(0 && "Executing RESERVED instruction.");
Py_UNREACHABLE();
}
TARGET(RESUME) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(RESUME);
PREDICTED(RESUME);
_Py_CODEUNIT *this_instr = next_instr - 1;
TIER_ONE_ONLY
assert(frame == tstate->current_frame);
uintptr_t global_version =
_Py_atomic_load_uintptr_relaxed(&tstate->interp->ceval.eval_breaker) &
~_PY_EVAL_EVENTS_MASK;
uintptr_t code_version = _PyFrame_GetCode(frame)->_co_instrumentation_version;
assert((code_version & 255) == 0);
if (code_version != global_version) {
int err = _Py_Instrument(_PyFrame_GetCode(frame), tstate->interp);
if (err) goto error;
next_instr = this_instr;
}
else {
if ((oparg & RESUME_OPARG_LOCATION_MASK) < RESUME_AFTER_YIELD_FROM) {
CHECK_EVAL_BREAKER();
}
this_instr->op.code = RESUME_CHECK;
}
DISPATCH();
}
TARGET(RESUME_CHECK) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(RESUME_CHECK);
static_assert(0 == 0, "incorrect cache size");
#if defined(__EMSCRIPTEN__)
DEOPT_IF(_Py_emscripten_signal_clock == 0, RESUME);
_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);
DEOPT_IF(eval_breaker != version, RESUME);
DISPATCH();
}
TARGET(RETURN_CONST) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(RETURN_CONST);
PyObject *value;
PyObject *retval;
// _LOAD_CONST
{
value = GETITEM(FRAME_CO_CONSTS, oparg);
Py_INCREF(value);
}
// _POP_FRAME
retval = value;
{
#if TIER_ONE
assert(frame != &entry_frame);
#endif
_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
}
DISPATCH();
}
TARGET(RETURN_GENERATOR) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(RETURN_GENERATOR);
TIER_ONE_ONLY
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;
}
TARGET(RETURN_VALUE) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(RETURN_VALUE);
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
DISPATCH();
}
TARGET(SEND) {
frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(SEND);
PREDICTED(SEND);
_Py_CODEUNIT *this_instr = next_instr - 2;
PyObject *receiver;
PyObject *v;
PyObject *retval;
// _SPECIALIZE_SEND
receiver = stack_pointer[-2];
{
uint16_t counter = read_u16(&this_instr[1].cache);
TIER_ONE_ONLY
#if ENABLE_SPECIALIZATION
if (ADAPTIVE_COUNTER_IS_ZERO(counter)) {
next_instr = this_instr;
_Py_Specialize_Send(receiver, next_instr);
DISPATCH_SAME_OPARG();
}
STAT_INC(SEND, deferred);
DECREMENT_ADAPTIVE_COUNTER(this_instr[1].cache);
#endif /* ENABLE_SPECIALIZATION */
}
// _SEND
v = stack_pointer[-1];
{
assert(frame != &entry_frame);
if ((tstate->interp->eval_frame == NULL) &&
(Py_TYPE(receiver) == &PyGen_Type || Py_TYPE(receiver) == &PyCoro_Type) &&
((PyGenObject *)receiver)->gi_frame_state < FRAME_EXECUTING)
{
PyGenObject *gen = (PyGenObject *)receiver;
_PyInterpreterFrame *gen_frame = (_PyInterpreterFrame *)gen->gi_iframe;
STACK_SHRINK(1);
_PyFrame_StackPush(gen_frame, v);
gen->gi_frame_state = FRAME_EXECUTING;
gen->gi_exc_state.previous_item = tstate->exc_info;
tstate->exc_info = &gen->gi_exc_state;
assert(next_instr - this_instr + oparg <= UINT16_MAX);
frame->return_offset = (uint16_t)(next_instr - this_instr + oparg);
DISPATCH_INLINED(gen_frame);
}
if (Py_IsNone(v) && PyIter_Check(receiver)) {
retval = Py_TYPE(receiver)->tp_iternext(receiver);
}
else {
retval = PyObject_CallMethodOneArg(receiver, &_Py_ID(send), v);
}
if (retval == NULL) {
if (_PyErr_ExceptionMatches(tstate, PyExc_StopIteration)
) {
monitor_raise(tstate, frame, this_instr);
}
if (_PyGen_FetchStopIterationValue(&retval) == 0) {
assert(retval != NULL);
JUMPBY(oparg);
}
else {
GOTO_ERROR(error);
}
}
Py_DECREF(v);
}
stack_pointer[-1] = retval;
DISPATCH();
}
TARGET(SEND_GEN) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(SEND_GEN);
static_assert(INLINE_CACHE_ENTRIES_SEND == 1, "incorrect cache size");
PyObject *v;
PyObject *receiver;
/* Skip 1 cache entry */
v = stack_pointer[-1];
receiver = stack_pointer[-2];
DEOPT_IF(tstate->interp->eval_frame, SEND);
PyGenObject *gen = (PyGenObject *)receiver;
DEOPT_IF(Py_TYPE(gen) != &PyGen_Type && Py_TYPE(gen) != &PyCoro_Type, SEND);
DEOPT_IF(gen->gi_frame_state >= FRAME_EXECUTING, SEND);
STAT_INC(SEND, hit);
_PyInterpreterFrame *gen_frame = (_PyInterpreterFrame *)gen->gi_iframe;
STACK_SHRINK(1);
_PyFrame_StackPush(gen_frame, v);
gen->gi_frame_state = FRAME_EXECUTING;
gen->gi_exc_state.previous_item = tstate->exc_info;
tstate->exc_info = &gen->gi_exc_state;
assert(next_instr - this_instr + oparg <= UINT16_MAX);
frame->return_offset = (uint16_t)(next_instr - this_instr + oparg);
DISPATCH_INLINED(gen_frame);
}
TARGET(SETUP_ANNOTATIONS) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(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 (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);
}
DISPATCH();
}
TARGET(SET_ADD) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(SET_ADD);
PyObject *v;
PyObject *set;
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;
stack_pointer += -1;
DISPATCH();
}
TARGET(SET_FUNCTION_ATTRIBUTE) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(SET_FUNCTION_ATTRIBUTE);
PyObject *func;
PyObject *attr;
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;
DISPATCH();
}
TARGET(SET_UPDATE) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(SET_UPDATE);
PyObject *iterable;
PyObject *set;
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;
stack_pointer += -1;
DISPATCH();
}
TARGET(STORE_ATTR) {
frame->instr_ptr = next_instr;
next_instr += 5;
INSTRUCTION_STATS(STORE_ATTR);
PREDICTED(STORE_ATTR);
_Py_CODEUNIT *this_instr = next_instr - 5;
PyObject *owner;
PyObject *v;
// _SPECIALIZE_STORE_ATTR
owner = stack_pointer[-1];
{
uint16_t counter = read_u16(&this_instr[1].cache);
TIER_ONE_ONLY
#if ENABLE_SPECIALIZATION
if (ADAPTIVE_COUNTER_IS_ZERO(counter)) {
PyObject *name = GETITEM(FRAME_CO_NAMES, oparg);
next_instr = this_instr;
_Py_Specialize_StoreAttr(owner, next_instr, name);
DISPATCH_SAME_OPARG();
}
STAT_INC(STORE_ATTR, deferred);
DECREMENT_ADAPTIVE_COUNTER(this_instr[1].cache);
#endif /* ENABLE_SPECIALIZATION */
}
/* Skip 3 cache entries */
// _STORE_ATTR
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;
}
stack_pointer += -2;
DISPATCH();
}
TARGET(STORE_ATTR_INSTANCE_VALUE) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 5;
INSTRUCTION_STATS(STORE_ATTR_INSTANCE_VALUE);
static_assert(INLINE_CACHE_ENTRIES_STORE_ATTR == 4, "incorrect cache size");
PyObject *owner;
PyObject *value;
/* Skip 1 cache entry */
// _GUARD_TYPE_VERSION
owner = stack_pointer[-1];
{
uint32_t type_version = read_u32(&this_instr[2].cache);
PyTypeObject *tp = Py_TYPE(owner);
assert(type_version != 0);
DEOPT_IF(tp->tp_version_tag != type_version, STORE_ATTR);
}
// _GUARD_DORV_VALUES
{
assert(Py_TYPE(owner)->tp_flags & Py_TPFLAGS_MANAGED_DICT);
PyDictOrValues dorv = *_PyObject_DictOrValuesPointer(owner);
DEOPT_IF(!_PyDictOrValues_IsValues(dorv), STORE_ATTR);
}
// _STORE_ATTR_INSTANCE_VALUE
value = stack_pointer[-2];
{
uint16_t index = read_u16(&this_instr[4].cache);
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;
DISPATCH();
}
TARGET(STORE_ATTR_SLOT) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 5;
INSTRUCTION_STATS(STORE_ATTR_SLOT);
static_assert(INLINE_CACHE_ENTRIES_STORE_ATTR == 4, "incorrect cache size");
PyObject *owner;
PyObject *value;
/* Skip 1 cache entry */
// _GUARD_TYPE_VERSION
owner = stack_pointer[-1];
{
uint32_t type_version = read_u32(&this_instr[2].cache);
PyTypeObject *tp = Py_TYPE(owner);
assert(type_version != 0);
DEOPT_IF(tp->tp_version_tag != type_version, STORE_ATTR);
}
// _STORE_ATTR_SLOT
value = stack_pointer[-2];
{
uint16_t index = read_u16(&this_instr[4].cache);
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;
DISPATCH();
}
TARGET(STORE_ATTR_WITH_HINT) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 5;
INSTRUCTION_STATS(STORE_ATTR_WITH_HINT);
static_assert(INLINE_CACHE_ENTRIES_STORE_ATTR == 4, "incorrect cache size");
PyObject *owner;
PyObject *value;
/* Skip 1 cache entry */
owner = stack_pointer[-1];
value = stack_pointer[-2];
uint32_t type_version = read_u32(&this_instr[2].cache);
uint16_t hint = read_u16(&this_instr[4].cache);
PyTypeObject *tp = Py_TYPE(owner);
assert(type_version != 0);
DEOPT_IF(tp->tp_version_tag != type_version, STORE_ATTR);
assert(tp->tp_flags & Py_TPFLAGS_MANAGED_DICT);
PyDictOrValues dorv = *_PyObject_DictOrValuesPointer(owner);
DEOPT_IF(_PyDictOrValues_IsValues(dorv), STORE_ATTR);
PyDictObject *dict = (PyDictObject *)_PyDictOrValues_GetDict(dorv);
DEOPT_IF(dict == NULL, STORE_ATTR);
assert(PyDict_CheckExact((PyObject *)dict));
PyObject *name = GETITEM(FRAME_CO_NAMES, oparg);
DEOPT_IF(hint >= (size_t)dict->ma_keys->dk_nentries, STORE_ATTR);
PyObject *old_value;
uint64_t new_version;
if (DK_IS_UNICODE(dict->ma_keys)) {
PyDictUnicodeEntry *ep = DK_UNICODE_ENTRIES(dict->ma_keys) + hint;
DEOPT_IF(ep->me_key != name, STORE_ATTR);
old_value = ep->me_value;
DEOPT_IF(old_value == NULL, STORE_ATTR);
new_version = _PyDict_NotifyEvent(tstate->interp, PyDict_EVENT_MODIFIED, dict, name, value);
ep->me_value = value;
}
else {
PyDictKeyEntry *ep = DK_ENTRIES(dict->ma_keys) + hint;
DEOPT_IF(ep->me_key != name, STORE_ATTR);
old_value = ep->me_value;
DEOPT_IF(old_value == NULL, STORE_ATTR);
new_version = _PyDict_NotifyEvent(tstate->interp, PyDict_EVENT_MODIFIED, dict, name, value);
ep->me_value = value;
}
Py_DECREF(old_value);
STAT_INC(STORE_ATTR, hit);
/* Ensure dict is GC tracked if it needs to be */
if (!_PyObject_GC_IS_TRACKED(dict) && _PyObject_GC_MAY_BE_TRACKED(value)) {
_PyObject_GC_TRACK(dict);
}
/* PEP 509 */
dict->ma_version_tag = new_version;
Py_DECREF(owner);
stack_pointer += -2;
DISPATCH();
}
TARGET(STORE_DEREF) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(STORE_DEREF);
PyObject *v;
v = stack_pointer[-1];
PyObject *cell = GETLOCAL(oparg);
PyObject *oldobj = PyCell_GET(cell);
PyCell_SET(cell, v);
Py_XDECREF(oldobj);
stack_pointer += -1;
DISPATCH();
}
TARGET(STORE_FAST) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(STORE_FAST);
PyObject *value;
value = stack_pointer[-1];
SETLOCAL(oparg, value);
stack_pointer += -1;
DISPATCH();
}
TARGET(STORE_FAST_LOAD_FAST) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(STORE_FAST_LOAD_FAST);
PyObject *value1;
PyObject *value2;
value1 = stack_pointer[-1];
uint32_t oparg1 = oparg >> 4;
uint32_t oparg2 = oparg & 15;
SETLOCAL(oparg1, value1);
value2 = GETLOCAL(oparg2);
Py_INCREF(value2);
stack_pointer[-1] = value2;
DISPATCH();
}
TARGET(STORE_FAST_STORE_FAST) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(STORE_FAST_STORE_FAST);
PyObject *value1;
PyObject *value2;
value1 = stack_pointer[-1];
value2 = stack_pointer[-2];
uint32_t oparg1 = oparg >> 4;
uint32_t oparg2 = oparg & 15;
SETLOCAL(oparg1, value1);
SETLOCAL(oparg2, value2);
stack_pointer += -2;
DISPATCH();
}
TARGET(STORE_GLOBAL) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(STORE_GLOBAL);
PyObject *v;
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_pointer += -1;
DISPATCH();
}
TARGET(STORE_NAME) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(STORE_NAME);
PyObject *v;
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_pointer += -1;
DISPATCH();
}
TARGET(STORE_SLICE) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(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;
stack_pointer += -4;
DISPATCH();
}
TARGET(STORE_SUBSCR) {
frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(STORE_SUBSCR);
PREDICTED(STORE_SUBSCR);
_Py_CODEUNIT *this_instr = next_instr - 2;
PyObject *sub;
PyObject *container;
PyObject *v;
// _SPECIALIZE_STORE_SUBSCR
sub = stack_pointer[-1];
container = stack_pointer[-2];
{
uint16_t counter = read_u16(&this_instr[1].cache);
TIER_ONE_ONLY
#if ENABLE_SPECIALIZATION
if (ADAPTIVE_COUNTER_IS_ZERO(counter)) {
next_instr = this_instr;
_Py_Specialize_StoreSubscr(container, sub, next_instr);
DISPATCH_SAME_OPARG();
}
STAT_INC(STORE_SUBSCR, deferred);
DECREMENT_ADAPTIVE_COUNTER(this_instr[1].cache);
#endif /* ENABLE_SPECIALIZATION */
}
// _STORE_SUBSCR
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;
}
stack_pointer += -3;
DISPATCH();
}
TARGET(STORE_SUBSCR_DICT) {
frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(STORE_SUBSCR_DICT);
static_assert(INLINE_CACHE_ENTRIES_STORE_SUBSCR == 1, "incorrect cache size");
PyObject *sub;
PyObject *dict;
PyObject *value;
/* Skip 1 cache entry */
sub = stack_pointer[-1];
dict = stack_pointer[-2];
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_pointer += -3;
DISPATCH();
}
TARGET(STORE_SUBSCR_LIST_INT) {
frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(STORE_SUBSCR_LIST_INT);
static_assert(INLINE_CACHE_ENTRIES_STORE_SUBSCR == 1, "incorrect cache size");
PyObject *sub;
PyObject *list;
PyObject *value;
/* Skip 1 cache entry */
sub = stack_pointer[-1];
list = stack_pointer[-2];
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_pointer += -3;
DISPATCH();
}
TARGET(SWAP) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(SWAP);
PyObject *top;
PyObject *bottom;
top = stack_pointer[-1];
bottom = stack_pointer[-2 - (oparg-2)];
assert(oparg >= 2);
stack_pointer[-2 - (oparg-2)] = top;
stack_pointer[-1] = bottom;
DISPATCH();
}
TARGET(TO_BOOL) {
frame->instr_ptr = next_instr;
next_instr += 4;
INSTRUCTION_STATS(TO_BOOL);
PREDICTED(TO_BOOL);
_Py_CODEUNIT *this_instr = next_instr - 4;
PyObject *value;
PyObject *res;
// _SPECIALIZE_TO_BOOL
value = stack_pointer[-1];
{
uint16_t counter = read_u16(&this_instr[1].cache);
TIER_ONE_ONLY
#if ENABLE_SPECIALIZATION
if (ADAPTIVE_COUNTER_IS_ZERO(counter)) {
next_instr = this_instr;
_Py_Specialize_ToBool(value, next_instr);
DISPATCH_SAME_OPARG();
}
STAT_INC(TO_BOOL, deferred);
DECREMENT_ADAPTIVE_COUNTER(this_instr[1].cache);
#endif /* ENABLE_SPECIALIZATION */
}
/* Skip 2 cache entries */
// _TO_BOOL
{
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;
DISPATCH();
}
TARGET(TO_BOOL_ALWAYS_TRUE) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
next_instr += 4;
INSTRUCTION_STATS(TO_BOOL_ALWAYS_TRUE);
static_assert(INLINE_CACHE_ENTRIES_TO_BOOL == 3, "incorrect cache size");
PyObject *value;
PyObject *res;
/* Skip 1 cache entry */
value = stack_pointer[-1];
uint32_t version = read_u32(&this_instr[2].cache);
// 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;
DISPATCH();
}
TARGET(TO_BOOL_BOOL) {
frame->instr_ptr = next_instr;
next_instr += 4;
INSTRUCTION_STATS(TO_BOOL_BOOL);
static_assert(INLINE_CACHE_ENTRIES_TO_BOOL == 3, "incorrect cache size");
PyObject *value;
/* Skip 1 cache entry */
/* Skip 2 cache entries */
value = stack_pointer[-1];
DEOPT_IF(!PyBool_Check(value), TO_BOOL);
STAT_INC(TO_BOOL, hit);
DISPATCH();
}
TARGET(TO_BOOL_INT) {
frame->instr_ptr = next_instr;
next_instr += 4;
INSTRUCTION_STATS(TO_BOOL_INT);
static_assert(INLINE_CACHE_ENTRIES_TO_BOOL == 3, "incorrect cache size");
PyObject *value;
PyObject *res;
/* Skip 1 cache entry */
/* Skip 2 cache entries */
value = stack_pointer[-1];
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;
DISPATCH();
}
TARGET(TO_BOOL_LIST) {
frame->instr_ptr = next_instr;
next_instr += 4;
INSTRUCTION_STATS(TO_BOOL_LIST);
static_assert(INLINE_CACHE_ENTRIES_TO_BOOL == 3, "incorrect cache size");
PyObject *value;
PyObject *res;
/* Skip 1 cache entry */
/* Skip 2 cache entries */
value = stack_pointer[-1];
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;
DISPATCH();
}
TARGET(TO_BOOL_NONE) {
frame->instr_ptr = next_instr;
next_instr += 4;
INSTRUCTION_STATS(TO_BOOL_NONE);
static_assert(INLINE_CACHE_ENTRIES_TO_BOOL == 3, "incorrect cache size");
PyObject *value;
PyObject *res;
/* Skip 1 cache entry */
/* Skip 2 cache entries */
value = stack_pointer[-1];
// 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;
DISPATCH();
}
TARGET(TO_BOOL_STR) {
frame->instr_ptr = next_instr;
next_instr += 4;
INSTRUCTION_STATS(TO_BOOL_STR);
static_assert(INLINE_CACHE_ENTRIES_TO_BOOL == 3, "incorrect cache size");
PyObject *value;
PyObject *res;
/* Skip 1 cache entry */
/* Skip 2 cache entries */
value = stack_pointer[-1];
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;
DISPATCH();
}
TARGET(UNARY_INVERT) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(UNARY_INVERT);
PyObject *value;
PyObject *res;
value = stack_pointer[-1];
res = PyNumber_Invert(value);
Py_DECREF(value);
if (res == NULL) goto pop_1_error;
stack_pointer[-1] = res;
DISPATCH();
}
TARGET(UNARY_NEGATIVE) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(UNARY_NEGATIVE);
PyObject *value;
PyObject *res;
value = stack_pointer[-1];
res = PyNumber_Negative(value);
Py_DECREF(value);
if (res == NULL) goto pop_1_error;
stack_pointer[-1] = res;
DISPATCH();
}
TARGET(UNARY_NOT) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(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;
DISPATCH();
}
TARGET(UNPACK_EX) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(UNPACK_EX);
PyObject *seq;
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;
stack_pointer += (oparg >> 8) + (oparg & 0xFF);
DISPATCH();
}
TARGET(UNPACK_SEQUENCE) {
frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(UNPACK_SEQUENCE);
PREDICTED(UNPACK_SEQUENCE);
_Py_CODEUNIT *this_instr = next_instr - 2;
PyObject *seq;
// _SPECIALIZE_UNPACK_SEQUENCE
seq = stack_pointer[-1];
{
uint16_t counter = read_u16(&this_instr[1].cache);
TIER_ONE_ONLY
#if ENABLE_SPECIALIZATION
if (ADAPTIVE_COUNTER_IS_ZERO(counter)) {
next_instr = this_instr;
_Py_Specialize_UnpackSequence(seq, next_instr, oparg);
DISPATCH_SAME_OPARG();
}
STAT_INC(UNPACK_SEQUENCE, deferred);
DECREMENT_ADAPTIVE_COUNTER(this_instr[1].cache);
#endif /* ENABLE_SPECIALIZATION */
(void)seq;
(void)counter;
}
// _UNPACK_SEQUENCE
{
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;
}
stack_pointer += -1 + oparg;
DISPATCH();
}
TARGET(UNPACK_SEQUENCE_LIST) {
frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(UNPACK_SEQUENCE_LIST);
static_assert(INLINE_CACHE_ENTRIES_UNPACK_SEQUENCE == 1, "incorrect cache size");
PyObject *seq;
PyObject **values;
/* Skip 1 cache entry */
seq = stack_pointer[-1];
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_pointer += -1 + oparg;
DISPATCH();
}
TARGET(UNPACK_SEQUENCE_TUPLE) {
frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(UNPACK_SEQUENCE_TUPLE);
static_assert(INLINE_CACHE_ENTRIES_UNPACK_SEQUENCE == 1, "incorrect cache size");
PyObject *seq;
PyObject **values;
/* Skip 1 cache entry */
seq = stack_pointer[-1];
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_pointer += -1 + oparg;
DISPATCH();
}
TARGET(UNPACK_SEQUENCE_TWO_TUPLE) {
frame->instr_ptr = next_instr;
next_instr += 2;
INSTRUCTION_STATS(UNPACK_SEQUENCE_TWO_TUPLE);
static_assert(INLINE_CACHE_ENTRIES_UNPACK_SEQUENCE == 1, "incorrect cache size");
PyObject *seq;
PyObject **values;
/* Skip 1 cache entry */
seq = stack_pointer[-1];
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_pointer += -1 + oparg;
DISPATCH();
}
TARGET(WITH_EXCEPT_START) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(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;
stack_pointer[0] = res;
stack_pointer += 1;
DISPATCH();
}
TARGET(YIELD_VALUE) {
frame->instr_ptr = next_instr;
next_instr += 1;
INSTRUCTION_STATS(YIELD_VALUE);
PyObject *retval;
retval = stack_pointer[-1];
TIER_ONE_ONLY
// 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;
}
#undef TIER_ONE
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