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bytecodes.c
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bytecodes.c
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// This file contains instruction definitions.
// It is read by Tools/cases_generator/generate_cases.py
// to generate Python/generated_cases.c.h.
// Note that there is some dummy C code at the top and bottom of the file
// to fool text editors like VS Code into believing this is valid C code.
// The actual instruction definitions start at // BEGIN BYTECODES //.
// See Tools/cases_generator/README.md for more information.
#include "Python.h"
#include "pycore_abstract.h" // _PyIndex_Check()
#include "pycore_call.h" // _PyObject_FastCallDictTstate()
#include "pycore_ceval.h" // _PyEval_SignalAsyncExc()
#include "pycore_code.h"
#include "pycore_function.h"
#include "pycore_intrinsics.h"
#include "pycore_long.h" // _PyLong_GetZero()
#include "pycore_instruments.h"
#include "pycore_object.h" // _PyObject_GC_TRACK()
#include "pycore_moduleobject.h" // PyModuleObject
#include "pycore_opcode.h" // EXTRA_CASES
#include "pycore_pyerrors.h" // _PyErr_GetRaisedException()
#include "pycore_pymem.h" // _PyMem_IsPtrFreed()
#include "pycore_pystate.h" // _PyInterpreterState_GET()
#include "pycore_range.h" // _PyRangeIterObject
#include "pycore_sliceobject.h" // _PyBuildSlice_ConsumeRefs
#include "pycore_sysmodule.h" // _PySys_Audit()
#include "pycore_tuple.h" // _PyTuple_ITEMS()
#include "pycore_emscripten_signal.h" // _Py_CHECK_EMSCRIPTEN_SIGNALS
#include "pycore_dict.h"
#include "dictobject.h"
#include "pycore_frame.h"
#include "opcode.h"
#include "pydtrace.h"
#include "setobject.h"
#include "structmember.h" // struct PyMemberDef, T_OFFSET_EX
#define USE_COMPUTED_GOTOS 0
#include "ceval_macros.h"
/* Flow control macros */
#define DEOPT_IF(cond, instname) ((void)0)
#define ERROR_IF(cond, labelname) ((void)0)
#define GO_TO_INSTRUCTION(instname) ((void)0)
#define PREDICT(opname) ((void)0)
#define inst(name, ...) case name:
#define op(name, ...) /* NAME is ignored */
#define macro(name) static int MACRO_##name
#define super(name) static int SUPER_##name
#define family(name, ...) static int family_##name
// Dummy variables for stack effects.
static PyObject *value, *value1, *value2, *left, *right, *res, *sum, *prod, *sub;
static PyObject *container, *start, *stop, *v, *lhs, *rhs, *res2;
static PyObject *list, *tuple, *dict, *owner, *set, *str, *tup, *map, *keys;
static PyObject *exit_func, *lasti, *val, *retval, *obj, *iter;
static PyObject *aiter, *awaitable, *iterable, *w, *exc_value, *bc;
static PyObject *orig, *excs, *update, *b, *fromlist, *level, *from;
static PyObject **pieces, **values;
static size_t jump;
// Dummy variables for cache effects
static uint16_t invert, counter, index, hint;
static uint32_t type_version;
static PyObject *
dummy_func(
PyThreadState *tstate,
_PyInterpreterFrame *frame,
unsigned char opcode,
unsigned int oparg,
_Py_atomic_int * const eval_breaker,
_PyCFrame cframe,
_Py_CODEUNIT *next_instr,
PyObject **stack_pointer,
PyObject *kwnames,
int throwflag,
binaryfunc binary_ops[],
PyObject *args[]
)
{
// Dummy labels.
pop_1_error:
// Dummy locals.
PyObject *annotations;
PyObject *attrs;
PyObject *bottom;
PyObject *callable;
PyObject *callargs;
PyObject *closure;
PyObject *codeobj;
PyObject *cond;
PyObject *defaults;
PyObject *descr;
_PyInterpreterFrame entry_frame;
PyObject *exc;
PyObject *exit;
PyObject *fget;
PyObject *fmt_spec;
PyObject *func;
uint32_t func_version;
PyObject *getattribute;
PyObject *kwargs;
PyObject *kwdefaults;
PyObject *len_o;
PyObject *match;
PyObject *match_type;
PyObject *method;
PyObject *mgr;
Py_ssize_t min_args;
PyObject *names;
PyObject *new_exc;
PyObject *next;
PyObject *none;
PyObject *null;
PyObject *prev_exc;
PyObject *receiver;
PyObject *rest;
int result;
PyObject *self;
PyObject *seq;
PyObject *slice;
PyObject *step;
PyObject *subject;
PyObject *top;
PyObject *type;
int values_or_none;
switch (opcode) {
// BEGIN BYTECODES //
inst(NOP, (--)) {
}
inst(RESUME, (--)) {
assert(tstate->cframe == &cframe);
assert(frame == cframe.current_frame);
/* Possibly combine this with eval breaker */
if (frame->f_code->_co_instrumentation_version != tstate->interp->monitoring_version) {
int err = _Py_Instrument(frame->f_code, tstate->interp);
ERROR_IF(err, error);
next_instr--;
}
else if (_Py_atomic_load_relaxed_int32(eval_breaker) && oparg < 2) {
goto handle_eval_breaker;
}
}
inst(INSTRUMENTED_RESUME, (--)) {
/* Possible performance enhancement:
* We need to check the eval breaker anyway, can we
* combine the instrument verison check and the eval breaker test?
*/
if (frame->f_code->_co_instrumentation_version != tstate->interp->monitoring_version) {
if (_Py_Instrument(frame->f_code, tstate->interp)) {
goto error;
}
next_instr--;
}
else {
_PyFrame_SetStackPointer(frame, stack_pointer);
int err = _Py_call_instrumentation(
tstate, oparg > 0, frame, next_instr-1);
stack_pointer = _PyFrame_GetStackPointer(frame);
ERROR_IF(err, error);
if (frame->prev_instr != next_instr-1) {
/* Instrumentation has jumped */
next_instr = frame->prev_instr;
DISPATCH();
}
if (_Py_atomic_load_relaxed_int32(eval_breaker) && oparg < 2) {
goto handle_eval_breaker;
}
}
}
inst(LOAD_CLOSURE, (-- value)) {
/* We keep LOAD_CLOSURE so that the bytecode stays more readable. */
value = GETLOCAL(oparg);
ERROR_IF(value == NULL, unbound_local_error);
Py_INCREF(value);
}
inst(LOAD_FAST_CHECK, (-- value)) {
value = GETLOCAL(oparg);
ERROR_IF(value == NULL, unbound_local_error);
Py_INCREF(value);
}
inst(LOAD_FAST, (-- value)) {
value = GETLOCAL(oparg);
assert(value != NULL);
Py_INCREF(value);
}
inst(LOAD_CONST, (-- value)) {
value = GETITEM(frame->f_code->co_consts, oparg);
Py_INCREF(value);
}
inst(STORE_FAST, (value --)) {
SETLOCAL(oparg, value);
}
super(LOAD_FAST__LOAD_FAST) = LOAD_FAST + LOAD_FAST;
super(LOAD_FAST__LOAD_CONST) = LOAD_FAST + LOAD_CONST;
super(STORE_FAST__LOAD_FAST) = STORE_FAST + LOAD_FAST;
super(STORE_FAST__STORE_FAST) = STORE_FAST + STORE_FAST;
super(LOAD_CONST__LOAD_FAST) = LOAD_CONST + LOAD_FAST;
inst(POP_TOP, (value --)) {
DECREF_INPUTS();
}
inst(PUSH_NULL, (-- res)) {
res = NULL;
}
macro(END_FOR) = POP_TOP + POP_TOP;
inst(INSTRUMENTED_END_FOR, (receiver, value --)) {
/* 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, next_instr-1)) {
goto error;
}
PyErr_SetRaisedException(NULL);
}
DECREF_INPUTS();
}
inst(END_SEND, (receiver, value -- value)) {
Py_DECREF(receiver);
}
inst(INSTRUMENTED_END_SEND, (receiver, value -- value)) {
if (PyGen_Check(receiver) || PyCoro_CheckExact(receiver)) {
PyErr_SetObject(PyExc_StopIteration, value);
if (monitor_stop_iteration(tstate, frame, next_instr-1)) {
goto error;
}
PyErr_SetRaisedException(NULL);
}
Py_DECREF(receiver);
}
inst(UNARY_NEGATIVE, (value -- res)) {
res = PyNumber_Negative(value);
DECREF_INPUTS();
ERROR_IF(res == NULL, error);
}
inst(UNARY_NOT, (value -- res)) {
int err = PyObject_IsTrue(value);
DECREF_INPUTS();
ERROR_IF(err < 0, error);
if (err == 0) {
res = Py_True;
}
else {
res = Py_False;
}
Py_INCREF(res);
}
inst(UNARY_INVERT, (value -- res)) {
res = PyNumber_Invert(value);
DECREF_INPUTS();
ERROR_IF(res == NULL, error);
}
family(binary_op, INLINE_CACHE_ENTRIES_BINARY_OP) = {
BINARY_OP,
BINARY_OP_ADD_FLOAT,
BINARY_OP_ADD_INT,
BINARY_OP_ADD_UNICODE,
// BINARY_OP_INPLACE_ADD_UNICODE, // This is an odd duck.
BINARY_OP_MULTIPLY_FLOAT,
BINARY_OP_MULTIPLY_INT,
BINARY_OP_SUBTRACT_FLOAT,
BINARY_OP_SUBTRACT_INT,
};
inst(BINARY_OP_MULTIPLY_INT, (unused/1, left, right -- prod)) {
DEOPT_IF(!PyLong_CheckExact(left), BINARY_OP);
DEOPT_IF(!PyLong_CheckExact(right), BINARY_OP);
STAT_INC(BINARY_OP, hit);
prod = _PyLong_Multiply((PyLongObject *)left, (PyLongObject *)right);
_Py_DECREF_SPECIALIZED(right, (destructor)PyObject_Free);
_Py_DECREF_SPECIALIZED(left, (destructor)PyObject_Free);
ERROR_IF(prod == NULL, error);
}
inst(BINARY_OP_MULTIPLY_FLOAT, (unused/1, left, right -- prod)) {
DEOPT_IF(!PyFloat_CheckExact(left), BINARY_OP);
DEOPT_IF(!PyFloat_CheckExact(right), BINARY_OP);
STAT_INC(BINARY_OP, hit);
double dprod = ((PyFloatObject *)left)->ob_fval *
((PyFloatObject *)right)->ob_fval;
DECREF_INPUTS_AND_REUSE_FLOAT(left, right, dprod, prod);
}
inst(BINARY_OP_SUBTRACT_INT, (unused/1, left, right -- sub)) {
DEOPT_IF(!PyLong_CheckExact(left), BINARY_OP);
DEOPT_IF(!PyLong_CheckExact(right), BINARY_OP);
STAT_INC(BINARY_OP, hit);
sub = _PyLong_Subtract((PyLongObject *)left, (PyLongObject *)right);
_Py_DECREF_SPECIALIZED(right, (destructor)PyObject_Free);
_Py_DECREF_SPECIALIZED(left, (destructor)PyObject_Free);
ERROR_IF(sub == NULL, error);
}
inst(BINARY_OP_SUBTRACT_FLOAT, (unused/1, left, right -- sub)) {
DEOPT_IF(!PyFloat_CheckExact(left), BINARY_OP);
DEOPT_IF(!PyFloat_CheckExact(right), BINARY_OP);
STAT_INC(BINARY_OP, hit);
double dsub = ((PyFloatObject *)left)->ob_fval - ((PyFloatObject *)right)->ob_fval;
DECREF_INPUTS_AND_REUSE_FLOAT(left, right, dsub, sub);
}
inst(BINARY_OP_ADD_UNICODE, (unused/1, left, right -- res)) {
DEOPT_IF(!PyUnicode_CheckExact(left), BINARY_OP);
DEOPT_IF(Py_TYPE(right) != Py_TYPE(left), BINARY_OP);
STAT_INC(BINARY_OP, hit);
res = PyUnicode_Concat(left, right);
_Py_DECREF_SPECIALIZED(left, _PyUnicode_ExactDealloc);
_Py_DECREF_SPECIALIZED(right, _PyUnicode_ExactDealloc);
ERROR_IF(res == NULL, error);
}
// This is a subtle one. It's a super-instruction for
// BINARY_OP_ADD_UNICODE followed by STORE_FAST
// where the store goes into the left argument.
// So the inputs are the same as for all BINARY_OP
// specializations, but there is no output.
// At the end we just skip over the STORE_FAST.
inst(BINARY_OP_INPLACE_ADD_UNICODE, (left, right --)) {
DEOPT_IF(!PyUnicode_CheckExact(left), BINARY_OP);
DEOPT_IF(Py_TYPE(right) != Py_TYPE(left), BINARY_OP);
_Py_CODEUNIT true_next = next_instr[INLINE_CACHE_ENTRIES_BINARY_OP];
assert(true_next.op.code == STORE_FAST ||
true_next.op.code == STORE_FAST__LOAD_FAST);
PyObject **target_local = &GETLOCAL(true_next.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);
ERROR_IF(*target_local == NULL, error);
// The STORE_FAST is already done.
JUMPBY(INLINE_CACHE_ENTRIES_BINARY_OP + 1);
}
inst(BINARY_OP_ADD_FLOAT, (unused/1, left, right -- sum)) {
DEOPT_IF(!PyFloat_CheckExact(left), BINARY_OP);
DEOPT_IF(Py_TYPE(right) != Py_TYPE(left), BINARY_OP);
STAT_INC(BINARY_OP, hit);
double dsum = ((PyFloatObject *)left)->ob_fval +
((PyFloatObject *)right)->ob_fval;
DECREF_INPUTS_AND_REUSE_FLOAT(left, right, dsum, sum);
}
inst(BINARY_OP_ADD_INT, (unused/1, left, right -- sum)) {
DEOPT_IF(!PyLong_CheckExact(left), BINARY_OP);
DEOPT_IF(Py_TYPE(right) != Py_TYPE(left), BINARY_OP);
STAT_INC(BINARY_OP, hit);
sum = _PyLong_Add((PyLongObject *)left, (PyLongObject *)right);
_Py_DECREF_SPECIALIZED(right, (destructor)PyObject_Free);
_Py_DECREF_SPECIALIZED(left, (destructor)PyObject_Free);
ERROR_IF(sum == NULL, error);
}
family(binary_subscr, INLINE_CACHE_ENTRIES_BINARY_SUBSCR) = {
BINARY_SUBSCR,
BINARY_SUBSCR_DICT,
BINARY_SUBSCR_GETITEM,
BINARY_SUBSCR_LIST_INT,
BINARY_SUBSCR_TUPLE_INT,
};
inst(BINARY_SUBSCR, (unused/1, container, sub -- res)) {
#if ENABLE_SPECIALIZATION
_PyBinarySubscrCache *cache = (_PyBinarySubscrCache *)next_instr;
if (ADAPTIVE_COUNTER_IS_ZERO(cache->counter)) {
next_instr--;
_Py_Specialize_BinarySubscr(container, sub, next_instr);
DISPATCH_SAME_OPARG();
}
STAT_INC(BINARY_SUBSCR, deferred);
DECREMENT_ADAPTIVE_COUNTER(cache->counter);
#endif /* ENABLE_SPECIALIZATION */
res = PyObject_GetItem(container, sub);
DECREF_INPUTS();
ERROR_IF(res == NULL, error);
}
inst(BINARY_SLICE, (container, start, stop -- res)) {
PyObject *slice = _PyBuildSlice_ConsumeRefs(start, stop);
// Can't use ERROR_IF() here, because we haven't
// DECREF'ed container yet, and we still own slice.
if (slice == NULL) {
res = NULL;
}
else {
res = PyObject_GetItem(container, slice);
Py_DECREF(slice);
}
Py_DECREF(container);
ERROR_IF(res == NULL, error);
}
inst(STORE_SLICE, (v, container, start, stop -- )) {
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);
ERROR_IF(err, error);
}
inst(BINARY_SUBSCR_LIST_INT, (unused/1, list, sub -- res)) {
DEOPT_IF(!PyLong_CheckExact(sub), BINARY_SUBSCR);
DEOPT_IF(!PyList_CheckExact(list), BINARY_SUBSCR);
// Deopt unless 0 <= sub < PyList_Size(list)
DEOPT_IF(!_PyLong_IsNonNegativeCompact((PyLongObject *)sub), BINARY_SUBSCR);
Py_ssize_t index = ((PyLongObject*)sub)->long_value.ob_digit[0];
DEOPT_IF(index >= PyList_GET_SIZE(list), BINARY_SUBSCR);
STAT_INC(BINARY_SUBSCR, hit);
res = PyList_GET_ITEM(list, index);
assert(res != NULL);
Py_INCREF(res);
_Py_DECREF_SPECIALIZED(sub, (destructor)PyObject_Free);
Py_DECREF(list);
}
inst(BINARY_SUBSCR_TUPLE_INT, (unused/1, tuple, sub -- res)) {
DEOPT_IF(!PyLong_CheckExact(sub), BINARY_SUBSCR);
DEOPT_IF(!PyTuple_CheckExact(tuple), BINARY_SUBSCR);
// Deopt unless 0 <= sub < PyTuple_Size(list)
DEOPT_IF(!_PyLong_IsNonNegativeCompact((PyLongObject *)sub), BINARY_SUBSCR);
Py_ssize_t index = ((PyLongObject*)sub)->long_value.ob_digit[0];
DEOPT_IF(index >= PyTuple_GET_SIZE(tuple), BINARY_SUBSCR);
STAT_INC(BINARY_SUBSCR, hit);
res = PyTuple_GET_ITEM(tuple, index);
assert(res != NULL);
Py_INCREF(res);
_Py_DECREF_SPECIALIZED(sub, (destructor)PyObject_Free);
Py_DECREF(tuple);
}
inst(BINARY_SUBSCR_DICT, (unused/1, dict, sub -- res)) {
DEOPT_IF(!PyDict_CheckExact(dict), BINARY_SUBSCR);
STAT_INC(BINARY_SUBSCR, hit);
res = PyDict_GetItemWithError(dict, sub);
if (res == NULL) {
if (!_PyErr_Occurred(tstate)) {
_PyErr_SetKeyError(sub);
}
DECREF_INPUTS();
ERROR_IF(true, error);
}
Py_INCREF(res); // Do this before DECREF'ing dict, sub
DECREF_INPUTS();
}
inst(BINARY_SUBSCR_GETITEM, (unused/1, container, sub -- unused)) {
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;
JUMPBY(INLINE_CACHE_ENTRIES_BINARY_SUBSCR);
frame->return_offset = 0;
DISPATCH_INLINED(new_frame);
}
inst(LIST_APPEND, (list, unused[oparg-1], v -- list, unused[oparg-1])) {
ERROR_IF(_PyList_AppendTakeRef((PyListObject *)list, v) < 0, error);
PREDICT(JUMP_BACKWARD);
}
inst(SET_ADD, (set, unused[oparg-1], v -- set, unused[oparg-1])) {
int err = PySet_Add(set, v);
DECREF_INPUTS();
ERROR_IF(err, error);
PREDICT(JUMP_BACKWARD);
}
family(store_subscr, INLINE_CACHE_ENTRIES_STORE_SUBSCR) = {
STORE_SUBSCR,
STORE_SUBSCR_DICT,
STORE_SUBSCR_LIST_INT,
};
inst(STORE_SUBSCR, (counter/1, v, container, sub -- )) {
#if ENABLE_SPECIALIZATION
if (ADAPTIVE_COUNTER_IS_ZERO(counter)) {
next_instr--;
_Py_Specialize_StoreSubscr(container, sub, next_instr);
DISPATCH_SAME_OPARG();
}
STAT_INC(STORE_SUBSCR, deferred);
_PyStoreSubscrCache *cache = (_PyStoreSubscrCache *)next_instr;
DECREMENT_ADAPTIVE_COUNTER(cache->counter);
#else
(void)counter; // Unused.
#endif /* ENABLE_SPECIALIZATION */
/* container[sub] = v */
int err = PyObject_SetItem(container, sub, v);
DECREF_INPUTS();
ERROR_IF(err, error);
}
inst(STORE_SUBSCR_LIST_INT, (unused/1, value, list, sub -- )) {
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);
}
inst(STORE_SUBSCR_DICT, (unused/1, value, dict, sub -- )) {
DEOPT_IF(!PyDict_CheckExact(dict), STORE_SUBSCR);
STAT_INC(STORE_SUBSCR, hit);
int err = _PyDict_SetItem_Take2((PyDictObject *)dict, sub, value);
Py_DECREF(dict);
ERROR_IF(err, error);
}
inst(DELETE_SUBSCR, (container, sub --)) {
/* del container[sub] */
int err = PyObject_DelItem(container, sub);
DECREF_INPUTS();
ERROR_IF(err, error);
}
inst(CALL_INTRINSIC_1, (value -- res)) {
assert(oparg <= MAX_INTRINSIC_1);
res = _PyIntrinsics_UnaryFunctions[oparg](tstate, value);
DECREF_INPUTS();
ERROR_IF(res == NULL, error);
}
inst(CALL_INTRINSIC_2, (value2, value1 -- res)) {
assert(oparg <= MAX_INTRINSIC_2);
res = _PyIntrinsics_BinaryFunctions[oparg](tstate, value2, value1);
DECREF_INPUTS();
ERROR_IF(res == NULL, error);
}
inst(RAISE_VARARGS, (args[oparg] -- )) {
PyObject *cause = NULL, *exc = NULL;
switch (oparg) {
case 2:
cause = args[1];
/* fall through */
case 1:
exc = args[0];
/* fall through */
case 0:
ERROR_IF(do_raise(tstate, exc, cause), exception_unwind);
break;
default:
_PyErr_SetString(tstate, PyExc_SystemError,
"bad RAISE_VARARGS oparg");
break;
}
ERROR_IF(true, error);
}
inst(INTERPRETER_EXIT, (retval --)) {
assert(frame == &entry_frame);
assert(_PyFrame_IsIncomplete(frame));
STACK_SHRINK(1); // Since we're not going to DISPATCH()
assert(EMPTY());
/* Restore previous cframe and return. */
tstate->cframe = cframe.previous;
assert(tstate->cframe->current_frame == frame->previous);
assert(!_PyErr_Occurred(tstate));
_Py_LeaveRecursiveCallTstate(tstate);
return retval;
}
inst(RETURN_VALUE, (retval --)) {
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 = cframe.current_frame = dying->previous;
_PyEvalFrameClearAndPop(tstate, dying);
frame->prev_instr += frame->return_offset;
_PyFrame_StackPush(frame, retval);
goto resume_frame;
}
inst(INSTRUMENTED_RETURN_VALUE, (retval --)) {
int err = _Py_call_instrumentation_arg(
tstate, PY_MONITORING_EVENT_PY_RETURN,
frame, next_instr-1, retval);
if (err) goto 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 = cframe.current_frame = dying->previous;
_PyEvalFrameClearAndPop(tstate, dying);
frame->prev_instr += frame->return_offset;
_PyFrame_StackPush(frame, retval);
goto resume_frame;
}
inst(RETURN_CONST, (--)) {
PyObject *retval = GETITEM(frame->f_code->co_consts, oparg);
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 = cframe.current_frame = dying->previous;
_PyEvalFrameClearAndPop(tstate, dying);
frame->prev_instr += frame->return_offset;
_PyFrame_StackPush(frame, retval);
goto resume_frame;
}
inst(INSTRUMENTED_RETURN_CONST, (--)) {
PyObject *retval = GETITEM(frame->f_code->co_consts, oparg);
int err = _Py_call_instrumentation_arg(
tstate, PY_MONITORING_EVENT_PY_RETURN,
frame, next_instr-1, retval);
if (err) goto 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 = cframe.current_frame = dying->previous;
_PyEvalFrameClearAndPop(tstate, dying);
frame->prev_instr += frame->return_offset;
_PyFrame_StackPush(frame, retval);
goto resume_frame;
}
inst(GET_AITER, (obj -- iter)) {
unaryfunc getter = NULL;
PyTypeObject *type = Py_TYPE(obj);
if (type->tp_as_async != NULL) {
getter = type->tp_as_async->am_aiter;
}
if (getter == NULL) {
_PyErr_Format(tstate, PyExc_TypeError,
"'async for' requires an object with "
"__aiter__ method, got %.100s",
type->tp_name);
DECREF_INPUTS();
ERROR_IF(true, error);
}
iter = (*getter)(obj);
DECREF_INPUTS();
ERROR_IF(iter == NULL, 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);
ERROR_IF(true, error);
}
}
inst(GET_ANEXT, (aiter -- aiter, awaitable)) {
unaryfunc getter = NULL;
PyObject *next_iter = NULL;
PyTypeObject *type = Py_TYPE(aiter);
if (PyAsyncGen_CheckExact(aiter)) {
awaitable = type->tp_as_async->am_anext(aiter);
if (awaitable == NULL) {
goto error;
}
} else {
if (type->tp_as_async != NULL){
getter = type->tp_as_async->am_anext;
}
if (getter != NULL) {
next_iter = (*getter)(aiter);
if (next_iter == NULL) {
goto error;
}
}
else {
_PyErr_Format(tstate, PyExc_TypeError,
"'async for' requires an iterator with "
"__anext__ method, got %.100s",
type->tp_name);
goto error;
}
awaitable = _PyCoro_GetAwaitableIter(next_iter);
if (awaitable == NULL) {
_PyErr_FormatFromCause(
PyExc_TypeError,
"'async for' received an invalid object "
"from __anext__: %.100s",
Py_TYPE(next_iter)->tp_name);
Py_DECREF(next_iter);
goto error;
} else {
Py_DECREF(next_iter);
}
}
PREDICT(LOAD_CONST);
}
inst(GET_AWAITABLE, (iterable -- iter)) {
iter = _PyCoro_GetAwaitableIter(iterable);
if (iter == NULL) {
format_awaitable_error(tstate, Py_TYPE(iterable), oparg);
}
DECREF_INPUTS();
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. */
}
}
ERROR_IF(iter == NULL, error);
PREDICT(LOAD_CONST);
}
family(for_iter, INLINE_CACHE_ENTRIES_FOR_ITER) = {
SEND,
SEND_GEN,
};
inst(SEND, (unused/1, receiver, v -- receiver, retval)) {
#if ENABLE_SPECIALIZATION
_PySendCache *cache = (_PySendCache *)next_instr;
if (ADAPTIVE_COUNTER_IS_ZERO(cache->counter)) {
next_instr--;
_Py_Specialize_Send(receiver, next_instr);
DISPATCH_SAME_OPARG();
}
STAT_INC(SEND, deferred);
DECREMENT_ADAPTIVE_COUNTER(cache->counter);
#endif /* ENABLE_SPECIALIZATION */
assert(frame != &entry_frame);
if ((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;
frame->return_offset = oparg;
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;
JUMPBY(INLINE_CACHE_ENTRIES_SEND);
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, next_instr-1);
}
if (_PyGen_FetchStopIterationValue(&retval) == 0) {
assert(retval != NULL);
JUMPBY(oparg);
}
else {
goto error;
}
}
Py_DECREF(v);
}
inst(SEND_GEN, (unused/1, receiver, v -- receiver)) {
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;
frame->return_offset = oparg;
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;
JUMPBY(INLINE_CACHE_ENTRIES_SEND);
DISPATCH_INLINED(gen_frame);
}
inst(INSTRUMENTED_YIELD_VALUE, (retval -- unused)) {
assert(frame != &entry_frame);
PyGenObject *gen = _PyFrame_GetGenerator(frame);
gen->gi_frame_state = FRAME_SUSPENDED;
_PyFrame_SetStackPointer(frame, stack_pointer - 1);
int err = _Py_call_instrumentation_arg(
tstate, PY_MONITORING_EVENT_PY_YIELD,
frame, next_instr-1, retval);
if (err) goto 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 = cframe.current_frame = frame->previous;
gen_frame->previous = NULL;
_PyFrame_StackPush(frame, retval);
goto resume_frame;
}
inst(YIELD_VALUE, (retval -- unused)) {
// 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);
PyGenObject *gen = _PyFrame_GetGenerator(frame);
gen->gi_frame_state = FRAME_SUSPENDED;
_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 = cframe.current_frame = frame->previous;
gen_frame->previous = NULL;
_PyFrame_StackPush(frame, retval);
goto resume_frame;
}
inst(POP_EXCEPT, (exc_value -- )) {
_PyErr_StackItem *exc_info = tstate->exc_info;
Py_XSETREF(exc_info->exc_value, exc_value);
}
inst(RERAISE, (values[oparg], exc -- values[oparg])) {
assert(oparg >= 0 && oparg <= 2);
if (oparg) {
PyObject *lasti = values[0];
if (PyLong_Check(lasti)) {
frame->prev_instr = _PyCode_CODE(frame->f_code) + PyLong_AsLong(lasti);
assert(!_PyErr_Occurred(tstate));
}
else {
assert(PyLong_Check(lasti));
_PyErr_SetString(tstate, PyExc_SystemError, "lasti is not an int");
goto error;
}
}
assert(exc && PyExceptionInstance_Check(exc));
Py_INCREF(exc);
_PyErr_SetRaisedException(tstate, exc);
goto exception_unwind;
}
inst(END_ASYNC_FOR, (awaitable, exc -- )) {
assert(exc && PyExceptionInstance_Check(exc));
if (PyErr_GivenExceptionMatches(exc, PyExc_StopAsyncIteration)) {
DECREF_INPUTS();
}
else {
Py_INCREF(exc);
_PyErr_SetRaisedException(tstate, exc);
goto exception_unwind;
}
}
inst(CLEANUP_THROW, (sub_iter, last_sent_val, exc_value -- none, value)) {
assert(throwflag);
assert(exc_value && PyExceptionInstance_Check(exc_value));
if (PyErr_GivenExceptionMatches(exc_value, PyExc_StopIteration)) {
value = Py_NewRef(((PyStopIterationObject *)exc_value)->value);
DECREF_INPUTS();
none = Py_NewRef(Py_None);
}
else {
_PyErr_SetRaisedException(tstate, Py_NewRef(exc_value));
goto exception_unwind;
}
}
inst(LOAD_ASSERTION_ERROR, ( -- value)) {
value = Py_NewRef(PyExc_AssertionError);
}
inst(LOAD_BUILD_CLASS, ( -- bc)) {
if (PyDict_CheckExact(BUILTINS())) {
bc = _PyDict_GetItemWithError(BUILTINS(),
&_Py_ID(__build_class__));
if (bc == NULL) {
if (!_PyErr_Occurred(tstate)) {
_PyErr_SetString(tstate, PyExc_NameError,
"__build_class__ not found");
}
ERROR_IF(true, error);
}
Py_INCREF(bc);
}
else {
bc = PyObject_GetItem(BUILTINS(), &_Py_ID(__build_class__));
if (bc == NULL) {
if (_PyErr_ExceptionMatches(tstate, PyExc_KeyError))
_PyErr_SetString(tstate, PyExc_NameError,
"__build_class__ not found");
ERROR_IF(true, error);
}
}
}
inst(STORE_NAME, (v -- )) {
PyObject *name = GETITEM(frame->f_code->co_names, oparg);
PyObject *ns = LOCALS();
int err;
if (ns == NULL) {
_PyErr_Format(tstate, PyExc_SystemError,