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