// This file is generated by Tools/cases_generator/tier2_generator.py // from: // Python/bytecodes.c // Do not edit! #ifdef TIER_ONE #error "This file is for Tier 2 only" #endif #define TIER_TWO 2 case _NOP: { break; } case _RESUME_CHECK: { #if defined(__EMSCRIPTEN__) if (_Py_emscripten_signal_clock == 0) goto deoptimize; _Py_emscripten_signal_clock -= Py_EMSCRIPTEN_SIGNAL_HANDLING; #endif uintptr_t eval_breaker = _Py_atomic_load_uintptr_relaxed(&tstate->interp->ceval.eval_breaker); uintptr_t version = _PyFrame_GetCode(frame)->_co_instrumentation_version; assert((version & _PY_EVAL_EVENTS_MASK) == 0); if (eval_breaker != version) goto deoptimize; break; } /* _INSTRUMENTED_RESUME is not a viable micro-op for tier 2 */ case _LOAD_FAST_CHECK: { PyObject *value; oparg = CURRENT_OPARG(); value = GETLOCAL(oparg); if (value == NULL) goto unbound_local_error_tier_two; Py_INCREF(value); stack_pointer[0] = value; stack_pointer += 1; break; } case _LOAD_FAST: { PyObject *value; oparg = CURRENT_OPARG(); value = GETLOCAL(oparg); assert(value != NULL); Py_INCREF(value); stack_pointer[0] = value; stack_pointer += 1; break; } case _LOAD_FAST_AND_CLEAR: { PyObject *value; oparg = CURRENT_OPARG(); value = GETLOCAL(oparg); // do not use SETLOCAL here, it decrefs the old value GETLOCAL(oparg) = NULL; stack_pointer[0] = value; stack_pointer += 1; break; } case _LOAD_CONST: { PyObject *value; oparg = CURRENT_OPARG(); value = GETITEM(FRAME_CO_CONSTS, oparg); Py_INCREF(value); stack_pointer[0] = value; stack_pointer += 1; break; } case _STORE_FAST: { PyObject *value; oparg = CURRENT_OPARG(); value = stack_pointer[-1]; SETLOCAL(oparg, value); stack_pointer += -1; break; } case _POP_TOP: { PyObject *value; value = stack_pointer[-1]; Py_DECREF(value); stack_pointer += -1; break; } case _PUSH_NULL: { PyObject *res; res = NULL; stack_pointer[0] = res; stack_pointer += 1; break; } case _END_SEND: { PyObject *value; PyObject *receiver; value = stack_pointer[-1]; receiver = stack_pointer[-2]; Py_DECREF(receiver); stack_pointer[-2] = value; stack_pointer += -1; break; } case _UNARY_NEGATIVE: { PyObject *value; PyObject *res; value = stack_pointer[-1]; res = PyNumber_Negative(value); Py_DECREF(value); if (res == NULL) goto pop_1_error_tier_two; stack_pointer[-1] = res; break; } case _UNARY_NOT: { PyObject *value; PyObject *res; value = stack_pointer[-1]; assert(PyBool_Check(value)); res = Py_IsFalse(value) ? Py_True : Py_False; stack_pointer[-1] = res; break; } case _TO_BOOL: { PyObject *value; PyObject *res; value = stack_pointer[-1]; int err = PyObject_IsTrue(value); Py_DECREF(value); if (err < 0) goto pop_1_error_tier_two; res = err ? Py_True : Py_False; stack_pointer[-1] = res; break; } case _TO_BOOL_BOOL: { PyObject *value; value = stack_pointer[-1]; if (!PyBool_Check(value)) goto deoptimize; STAT_INC(TO_BOOL, hit); break; } case _TO_BOOL_INT: { PyObject *value; PyObject *res; value = stack_pointer[-1]; if (!PyLong_CheckExact(value)) goto deoptimize; STAT_INC(TO_BOOL, hit); if (_PyLong_IsZero((PyLongObject *)value)) { assert(_Py_IsImmortal(value)); res = Py_False; } else { Py_DECREF(value); res = Py_True; } stack_pointer[-1] = res; break; } case _TO_BOOL_LIST: { PyObject *value; PyObject *res; value = stack_pointer[-1]; if (!PyList_CheckExact(value)) goto deoptimize; STAT_INC(TO_BOOL, hit); res = Py_SIZE(value) ? Py_True : Py_False; Py_DECREF(value); stack_pointer[-1] = res; break; } case _TO_BOOL_NONE: { PyObject *value; PyObject *res; value = stack_pointer[-1]; // This one is a bit weird, because we expect *some* failures: if (!Py_IsNone(value)) goto deoptimize; STAT_INC(TO_BOOL, hit); res = Py_False; stack_pointer[-1] = res; break; } case _TO_BOOL_STR: { PyObject *value; PyObject *res; value = stack_pointer[-1]; if (!PyUnicode_CheckExact(value)) goto deoptimize; STAT_INC(TO_BOOL, hit); if (value == &_Py_STR(empty)) { assert(_Py_IsImmortal(value)); res = Py_False; } else { assert(Py_SIZE(value)); Py_DECREF(value); res = Py_True; } stack_pointer[-1] = res; break; } case _TO_BOOL_ALWAYS_TRUE: { PyObject *value; PyObject *res; value = stack_pointer[-1]; uint32_t version = (uint32_t)CURRENT_OPERAND(); // This one is a bit weird, because we expect *some* failures: assert(version); if (Py_TYPE(value)->tp_version_tag != version) goto deoptimize; STAT_INC(TO_BOOL, hit); Py_DECREF(value); res = Py_True; stack_pointer[-1] = res; break; } case _UNARY_INVERT: { PyObject *value; PyObject *res; value = stack_pointer[-1]; res = PyNumber_Invert(value); Py_DECREF(value); if (res == NULL) goto pop_1_error_tier_two; stack_pointer[-1] = res; break; } case _GUARD_BOTH_INT: { PyObject *right; PyObject *left; right = stack_pointer[-1]; left = stack_pointer[-2]; if (!PyLong_CheckExact(left)) goto deoptimize; if (!PyLong_CheckExact(right)) goto deoptimize; break; } case _BINARY_OP_MULTIPLY_INT: { PyObject *right; PyObject *left; PyObject *res; right = stack_pointer[-1]; left = stack_pointer[-2]; STAT_INC(BINARY_OP, hit); res = _PyLong_Multiply((PyLongObject *)left, (PyLongObject *)right); _Py_DECREF_SPECIALIZED(right, (destructor)PyObject_Free); _Py_DECREF_SPECIALIZED(left, (destructor)PyObject_Free); if (res == NULL) goto pop_2_error_tier_two; stack_pointer[-2] = res; stack_pointer += -1; break; } case _BINARY_OP_ADD_INT: { PyObject *right; PyObject *left; PyObject *res; right = stack_pointer[-1]; left = stack_pointer[-2]; STAT_INC(BINARY_OP, hit); res = _PyLong_Add((PyLongObject *)left, (PyLongObject *)right); _Py_DECREF_SPECIALIZED(right, (destructor)PyObject_Free); _Py_DECREF_SPECIALIZED(left, (destructor)PyObject_Free); if (res == NULL) goto pop_2_error_tier_two; stack_pointer[-2] = res; stack_pointer += -1; break; } case _BINARY_OP_SUBTRACT_INT: { PyObject *right; PyObject *left; PyObject *res; right = stack_pointer[-1]; left = stack_pointer[-2]; STAT_INC(BINARY_OP, hit); res = _PyLong_Subtract((PyLongObject *)left, (PyLongObject *)right); _Py_DECREF_SPECIALIZED(right, (destructor)PyObject_Free); _Py_DECREF_SPECIALIZED(left, (destructor)PyObject_Free); if (res == NULL) goto pop_2_error_tier_two; stack_pointer[-2] = res; stack_pointer += -1; break; } case _GUARD_BOTH_FLOAT: { PyObject *right; PyObject *left; right = stack_pointer[-1]; left = stack_pointer[-2]; if (!PyFloat_CheckExact(left)) goto deoptimize; if (!PyFloat_CheckExact(right)) goto deoptimize; break; } case _BINARY_OP_MULTIPLY_FLOAT: { PyObject *right; PyObject *left; PyObject *res; right = stack_pointer[-1]; left = stack_pointer[-2]; STAT_INC(BINARY_OP, hit); double dres = ((PyFloatObject *)left)->ob_fval * ((PyFloatObject *)right)->ob_fval; DECREF_INPUTS_AND_REUSE_FLOAT(left, right, dres, res); stack_pointer[-2] = res; stack_pointer += -1; break; } case _BINARY_OP_ADD_FLOAT: { PyObject *right; PyObject *left; PyObject *res; right = stack_pointer[-1]; left = stack_pointer[-2]; STAT_INC(BINARY_OP, hit); double dres = ((PyFloatObject *)left)->ob_fval + ((PyFloatObject *)right)->ob_fval; DECREF_INPUTS_AND_REUSE_FLOAT(left, right, dres, res); stack_pointer[-2] = res; stack_pointer += -1; break; } case _BINARY_OP_SUBTRACT_FLOAT: { PyObject *right; PyObject *left; PyObject *res; right = stack_pointer[-1]; left = stack_pointer[-2]; STAT_INC(BINARY_OP, hit); double dres = ((PyFloatObject *)left)->ob_fval - ((PyFloatObject *)right)->ob_fval; DECREF_INPUTS_AND_REUSE_FLOAT(left, right, dres, res); stack_pointer[-2] = res; stack_pointer += -1; break; } case _GUARD_BOTH_UNICODE: { PyObject *right; PyObject *left; right = stack_pointer[-1]; left = stack_pointer[-2]; if (!PyUnicode_CheckExact(left)) goto deoptimize; if (!PyUnicode_CheckExact(right)) goto deoptimize; break; } case _BINARY_OP_ADD_UNICODE: { PyObject *right; PyObject *left; PyObject *res; right = stack_pointer[-1]; left = stack_pointer[-2]; STAT_INC(BINARY_OP, hit); res = PyUnicode_Concat(left, right); _Py_DECREF_SPECIALIZED(left, _PyUnicode_ExactDealloc); _Py_DECREF_SPECIALIZED(right, _PyUnicode_ExactDealloc); if (res == NULL) goto pop_2_error_tier_two; stack_pointer[-2] = res; stack_pointer += -1; break; } case _BINARY_SUBSCR: { PyObject *sub; PyObject *container; PyObject *res; sub = stack_pointer[-1]; container = stack_pointer[-2]; res = PyObject_GetItem(container, sub); Py_DECREF(container); Py_DECREF(sub); if (res == NULL) goto pop_2_error_tier_two; stack_pointer[-2] = res; stack_pointer += -1; break; } case _BINARY_SLICE: { PyObject *stop; PyObject *start; PyObject *container; PyObject *res; stop = stack_pointer[-1]; start = stack_pointer[-2]; container = stack_pointer[-3]; PyObject *slice = _PyBuildSlice_ConsumeRefs(start, stop); // Can't use ERROR_IF() here, because we haven't // DECREF'ed container yet, and we still own slice. if (slice == NULL) { res = NULL; } else { res = PyObject_GetItem(container, slice); Py_DECREF(slice); } Py_DECREF(container); if (res == NULL) goto pop_3_error_tier_two; stack_pointer[-3] = res; stack_pointer += -2; break; } case _STORE_SLICE: { PyObject *stop; PyObject *start; PyObject *container; PyObject *v; stop = stack_pointer[-1]; start = stack_pointer[-2]; container = stack_pointer[-3]; v = stack_pointer[-4]; PyObject *slice = _PyBuildSlice_ConsumeRefs(start, stop); int err; if (slice == NULL) { err = 1; } else { err = PyObject_SetItem(container, slice, v); Py_DECREF(slice); } Py_DECREF(v); Py_DECREF(container); if (err) goto pop_4_error_tier_two; stack_pointer += -4; break; } case _BINARY_SUBSCR_LIST_INT: { PyObject *sub; PyObject *list; PyObject *res; sub = stack_pointer[-1]; list = stack_pointer[-2]; if (!PyLong_CheckExact(sub)) goto deoptimize; if (!PyList_CheckExact(list)) goto deoptimize; // Deopt unless 0 <= sub < PyList_Size(list) if (!_PyLong_IsNonNegativeCompact((PyLongObject *)sub)) goto deoptimize; Py_ssize_t index = ((PyLongObject*)sub)->long_value.ob_digit[0]; if (index >= PyList_GET_SIZE(list)) goto deoptimize; STAT_INC(BINARY_SUBSCR, hit); res = PyList_GET_ITEM(list, index); assert(res != NULL); Py_INCREF(res); _Py_DECREF_SPECIALIZED(sub, (destructor)PyObject_Free); Py_DECREF(list); stack_pointer[-2] = res; stack_pointer += -1; break; } case _BINARY_SUBSCR_STR_INT: { PyObject *sub; PyObject *str; PyObject *res; sub = stack_pointer[-1]; str = stack_pointer[-2]; if (!PyLong_CheckExact(sub)) goto deoptimize; if (!PyUnicode_CheckExact(str)) goto deoptimize; if (!_PyLong_IsNonNegativeCompact((PyLongObject *)sub)) goto deoptimize; Py_ssize_t index = ((PyLongObject*)sub)->long_value.ob_digit[0]; if (PyUnicode_GET_LENGTH(str) <= index) goto deoptimize; // Specialize for reading an ASCII character from any string: Py_UCS4 c = PyUnicode_READ_CHAR(str, index); if (Py_ARRAY_LENGTH(_Py_SINGLETON(strings).ascii) <= c) goto deoptimize; STAT_INC(BINARY_SUBSCR, hit); res = (PyObject*)&_Py_SINGLETON(strings).ascii[c]; _Py_DECREF_SPECIALIZED(sub, (destructor)PyObject_Free); Py_DECREF(str); stack_pointer[-2] = res; stack_pointer += -1; break; } case _BINARY_SUBSCR_TUPLE_INT: { PyObject *sub; PyObject *tuple; PyObject *res; sub = stack_pointer[-1]; tuple = stack_pointer[-2]; if (!PyLong_CheckExact(sub)) goto deoptimize; if (!PyTuple_CheckExact(tuple)) goto deoptimize; // Deopt unless 0 <= sub < PyTuple_Size(list) if (!_PyLong_IsNonNegativeCompact((PyLongObject *)sub)) goto deoptimize; Py_ssize_t index = ((PyLongObject*)sub)->long_value.ob_digit[0]; if (index >= PyTuple_GET_SIZE(tuple)) goto deoptimize; STAT_INC(BINARY_SUBSCR, hit); res = PyTuple_GET_ITEM(tuple, index); assert(res != NULL); Py_INCREF(res); _Py_DECREF_SPECIALIZED(sub, (destructor)PyObject_Free); Py_DECREF(tuple); stack_pointer[-2] = res; stack_pointer += -1; break; } case _BINARY_SUBSCR_DICT: { PyObject *sub; PyObject *dict; PyObject *res; sub = stack_pointer[-1]; dict = stack_pointer[-2]; if (!PyDict_CheckExact(dict)) goto deoptimize; STAT_INC(BINARY_SUBSCR, hit); int rc = PyDict_GetItemRef(dict, sub, &res); if (rc == 0) { _PyErr_SetKeyError(sub); } Py_DECREF(dict); Py_DECREF(sub); if (rc <= 0) goto pop_2_error_tier_two; // not found or error stack_pointer[-2] = res; stack_pointer += -1; break; } /* _BINARY_SUBSCR_GETITEM is not a viable micro-op for tier 2 */ case _LIST_APPEND: { PyObject *v; PyObject *list; oparg = CURRENT_OPARG(); v = stack_pointer[-1]; list = stack_pointer[-2 - (oparg-1)]; if (_PyList_AppendTakeRef((PyListObject *)list, v) < 0) goto pop_1_error_tier_two; stack_pointer += -1; break; } case _SET_ADD: { PyObject *v; PyObject *set; oparg = CURRENT_OPARG(); v = stack_pointer[-1]; set = stack_pointer[-2 - (oparg-1)]; int err = PySet_Add(set, v); Py_DECREF(v); if (err) goto pop_1_error_tier_two; stack_pointer += -1; break; } case _STORE_SUBSCR: { PyObject *sub; PyObject *container; PyObject *v; sub = stack_pointer[-1]; container = stack_pointer[-2]; v = stack_pointer[-3]; /* container[sub] = v */ int err = PyObject_SetItem(container, sub, v); Py_DECREF(v); Py_DECREF(container); Py_DECREF(sub); if (err) goto pop_3_error_tier_two; stack_pointer += -3; break; } case _STORE_SUBSCR_LIST_INT: { PyObject *sub; PyObject *list; PyObject *value; sub = stack_pointer[-1]; list = stack_pointer[-2]; value = stack_pointer[-3]; if (!PyLong_CheckExact(sub)) goto deoptimize; if (!PyList_CheckExact(list)) goto deoptimize; // Ensure nonnegative, zero-or-one-digit ints. if (!_PyLong_IsNonNegativeCompact((PyLongObject *)sub)) goto deoptimize; Py_ssize_t index = ((PyLongObject*)sub)->long_value.ob_digit[0]; // Ensure index < len(list) if (index >= PyList_GET_SIZE(list)) goto deoptimize; STAT_INC(STORE_SUBSCR, hit); PyObject *old_value = PyList_GET_ITEM(list, index); PyList_SET_ITEM(list, index, value); assert(old_value != NULL); Py_DECREF(old_value); _Py_DECREF_SPECIALIZED(sub, (destructor)PyObject_Free); Py_DECREF(list); stack_pointer += -3; break; } case _STORE_SUBSCR_DICT: { PyObject *sub; PyObject *dict; PyObject *value; sub = stack_pointer[-1]; dict = stack_pointer[-2]; value = stack_pointer[-3]; if (!PyDict_CheckExact(dict)) goto deoptimize; STAT_INC(STORE_SUBSCR, hit); int err = _PyDict_SetItem_Take2((PyDictObject *)dict, sub, value); Py_DECREF(dict); if (err) goto pop_3_error_tier_two; stack_pointer += -3; break; } case _DELETE_SUBSCR: { PyObject *sub; PyObject *container; sub = stack_pointer[-1]; container = stack_pointer[-2]; /* del container[sub] */ int err = PyObject_DelItem(container, sub); Py_DECREF(container); Py_DECREF(sub); if (err) goto pop_2_error_tier_two; stack_pointer += -2; break; } case _CALL_INTRINSIC_1: { PyObject *value; PyObject *res; oparg = CURRENT_OPARG(); value = stack_pointer[-1]; assert(oparg <= MAX_INTRINSIC_1); res = _PyIntrinsics_UnaryFunctions[oparg].func(tstate, value); Py_DECREF(value); if (res == NULL) goto pop_1_error_tier_two; stack_pointer[-1] = res; break; } case _CALL_INTRINSIC_2: { PyObject *value1; PyObject *value2; PyObject *res; oparg = CURRENT_OPARG(); value1 = stack_pointer[-1]; value2 = stack_pointer[-2]; assert(oparg <= MAX_INTRINSIC_2); res = _PyIntrinsics_BinaryFunctions[oparg].func(tstate, value2, value1); Py_DECREF(value2); Py_DECREF(value1); if (res == NULL) goto pop_2_error_tier_two; stack_pointer[-2] = res; stack_pointer += -1; break; } case _POP_FRAME: { PyObject *retval; retval = stack_pointer[-1]; #if TIER_ONE assert(frame != &entry_frame); #endif stack_pointer += -1; _PyFrame_SetStackPointer(frame, stack_pointer); assert(EMPTY()); _Py_LeaveRecursiveCallPy(tstate); // GH-99729: We need to unlink the frame *before* clearing it: _PyInterpreterFrame *dying = frame; frame = tstate->current_frame = dying->previous; _PyEval_FrameClearAndPop(tstate, dying); _PyFrame_StackPush(frame, retval); LOAD_SP(); LOAD_IP(frame->return_offset); #if LLTRACE && TIER_ONE lltrace = maybe_lltrace_resume_frame(frame, &entry_frame, GLOBALS()); if (lltrace < 0) { goto exit_unwind; } #endif break; } /* _INSTRUMENTED_RETURN_VALUE is not a viable micro-op for tier 2 */ /* _INSTRUMENTED_RETURN_CONST is not a viable micro-op for tier 2 */ case _GET_AITER: { PyObject *obj; PyObject *iter; obj = stack_pointer[-1]; unaryfunc getter = NULL; PyTypeObject *type = Py_TYPE(obj); if (type->tp_as_async != NULL) { getter = type->tp_as_async->am_aiter; } if (getter == NULL) { _PyErr_Format(tstate, PyExc_TypeError, "'async for' requires an object with " "__aiter__ method, got %.100s", type->tp_name); Py_DECREF(obj); if (true) goto pop_1_error_tier_two; } iter = (*getter)(obj); Py_DECREF(obj); if (iter == NULL) goto pop_1_error_tier_two; if (Py_TYPE(iter)->tp_as_async == NULL || Py_TYPE(iter)->tp_as_async->am_anext == NULL) { _PyErr_Format(tstate, PyExc_TypeError, "'async for' received an object from __aiter__ " "that does not implement __anext__: %.100s", Py_TYPE(iter)->tp_name); Py_DECREF(iter); if (true) goto pop_1_error_tier_two; } stack_pointer[-1] = iter; break; } case _GET_ANEXT: { PyObject *aiter; PyObject *awaitable; aiter = stack_pointer[-1]; unaryfunc getter = NULL; PyObject *next_iter = NULL; PyTypeObject *type = Py_TYPE(aiter); if (PyAsyncGen_CheckExact(aiter)) { awaitable = type->tp_as_async->am_anext(aiter); if (awaitable == NULL) { GOTO_ERROR(error); } } else { if (type->tp_as_async != NULL){ getter = type->tp_as_async->am_anext; } if (getter != NULL) { next_iter = (*getter)(aiter); if (next_iter == NULL) { GOTO_ERROR(error); } } else { _PyErr_Format(tstate, PyExc_TypeError, "'async for' requires an iterator with " "__anext__ method, got %.100s", type->tp_name); GOTO_ERROR(error); } awaitable = _PyCoro_GetAwaitableIter(next_iter); if (awaitable == NULL) { _PyErr_FormatFromCause( PyExc_TypeError, "'async for' received an invalid object " "from __anext__: %.100s", Py_TYPE(next_iter)->tp_name); Py_DECREF(next_iter); GOTO_ERROR(error); } else { Py_DECREF(next_iter); } } stack_pointer[0] = awaitable; stack_pointer += 1; break; } case _GET_AWAITABLE: { PyObject *iterable; PyObject *iter; oparg = CURRENT_OPARG(); iterable = stack_pointer[-1]; iter = _PyCoro_GetAwaitableIter(iterable); if (iter == NULL) { _PyEval_FormatAwaitableError(tstate, Py_TYPE(iterable), oparg); } Py_DECREF(iterable); if (iter != NULL && PyCoro_CheckExact(iter)) { PyObject *yf = _PyGen_yf((PyGenObject*)iter); if (yf != NULL) { /* `iter` is a coroutine object that is being awaited, `yf` is a pointer to the current awaitable being awaited on. */ Py_DECREF(yf); Py_CLEAR(iter); _PyErr_SetString(tstate, PyExc_RuntimeError, "coroutine is being awaited already"); /* The code below jumps to `error` if `iter` is NULL. */ } } if (iter == NULL) goto pop_1_error_tier_two; stack_pointer[-1] = iter; break; } /* _SEND is not a viable micro-op for tier 2 */ /* _SEND_GEN is not a viable micro-op for tier 2 */ /* _INSTRUMENTED_YIELD_VALUE is not a viable micro-op for tier 2 */ case _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; break; } case _LOAD_ASSERTION_ERROR: { PyObject *value; value = Py_NewRef(PyExc_AssertionError); stack_pointer[0] = value; stack_pointer += 1; break; } case _LOAD_BUILD_CLASS: { PyObject *bc; if (PyMapping_GetOptionalItem(BUILTINS(), &_Py_ID(__build_class__), &bc) < 0) goto error_tier_two; if (bc == NULL) { _PyErr_SetString(tstate, PyExc_NameError, "__build_class__ not found"); if (true) goto error_tier_two; } stack_pointer[0] = bc; stack_pointer += 1; break; } case _STORE_NAME: { PyObject *v; oparg = CURRENT_OPARG(); v = stack_pointer[-1]; PyObject *name = GETITEM(FRAME_CO_NAMES, oparg); PyObject *ns = LOCALS(); int err; if (ns == NULL) { _PyErr_Format(tstate, PyExc_SystemError, "no locals found when storing %R", name); Py_DECREF(v); if (true) goto pop_1_error_tier_two; } if (PyDict_CheckExact(ns)) err = PyDict_SetItem(ns, name, v); else err = PyObject_SetItem(ns, name, v); Py_DECREF(v); if (err) goto pop_1_error_tier_two; stack_pointer += -1; break; } case _DELETE_NAME: { oparg = CURRENT_OPARG(); PyObject *name = GETITEM(FRAME_CO_NAMES, oparg); PyObject *ns = LOCALS(); int err; if (ns == NULL) { _PyErr_Format(tstate, PyExc_SystemError, "no locals when deleting %R", name); GOTO_ERROR(error); } err = PyObject_DelItem(ns, name); // Can't use ERROR_IF here. if (err != 0) { _PyEval_FormatExcCheckArg(tstate, PyExc_NameError, NAME_ERROR_MSG, name); GOTO_ERROR(error); } break; } case _UNPACK_SEQUENCE: { PyObject *seq; oparg = CURRENT_OPARG(); seq = stack_pointer[-1]; PyObject **top = stack_pointer + oparg - 1; int res = _PyEval_UnpackIterable(tstate, seq, oparg, -1, top); Py_DECREF(seq); if (res == 0) goto pop_1_error_tier_two; stack_pointer += -1 + oparg; break; } case _UNPACK_SEQUENCE_TWO_TUPLE: { PyObject *seq; PyObject **values; oparg = CURRENT_OPARG(); seq = stack_pointer[-1]; values = &stack_pointer[-1]; if (!PyTuple_CheckExact(seq)) goto deoptimize; if (PyTuple_GET_SIZE(seq) != 2) goto deoptimize; assert(oparg == 2); STAT_INC(UNPACK_SEQUENCE, hit); values[0] = Py_NewRef(PyTuple_GET_ITEM(seq, 1)); values[1] = Py_NewRef(PyTuple_GET_ITEM(seq, 0)); Py_DECREF(seq); stack_pointer += -1 + oparg; break; } case _UNPACK_SEQUENCE_TUPLE: { PyObject *seq; PyObject **values; oparg = CURRENT_OPARG(); seq = stack_pointer[-1]; values = &stack_pointer[-1]; if (!PyTuple_CheckExact(seq)) goto deoptimize; if (PyTuple_GET_SIZE(seq) != oparg) goto deoptimize; STAT_INC(UNPACK_SEQUENCE, hit); PyObject **items = _PyTuple_ITEMS(seq); for (int i = oparg; --i >= 0; ) { *values++ = Py_NewRef(items[i]); } Py_DECREF(seq); stack_pointer += -1 + oparg; break; } case _UNPACK_SEQUENCE_LIST: { PyObject *seq; PyObject **values; oparg = CURRENT_OPARG(); seq = stack_pointer[-1]; values = &stack_pointer[-1]; if (!PyList_CheckExact(seq)) goto deoptimize; if (PyList_GET_SIZE(seq) != oparg) goto deoptimize; STAT_INC(UNPACK_SEQUENCE, hit); PyObject **items = _PyList_ITEMS(seq); for (int i = oparg; --i >= 0; ) { *values++ = Py_NewRef(items[i]); } Py_DECREF(seq); stack_pointer += -1 + oparg; break; } case _UNPACK_EX: { PyObject *seq; oparg = CURRENT_OPARG(); seq = stack_pointer[-1]; int totalargs = 1 + (oparg & 0xFF) + (oparg >> 8); PyObject **top = stack_pointer + totalargs - 1; int res = _PyEval_UnpackIterable(tstate, seq, oparg & 0xFF, oparg >> 8, top); Py_DECREF(seq); if (res == 0) goto pop_1_error_tier_two; stack_pointer += (oparg >> 8) + (oparg & 0xFF); break; } case _STORE_ATTR: { PyObject *owner; PyObject *v; oparg = CURRENT_OPARG(); owner = stack_pointer[-1]; v = stack_pointer[-2]; PyObject *name = GETITEM(FRAME_CO_NAMES, oparg); int err = PyObject_SetAttr(owner, name, v); Py_DECREF(v); Py_DECREF(owner); if (err) goto pop_2_error_tier_two; stack_pointer += -2; break; } case _DELETE_ATTR: { PyObject *owner; oparg = CURRENT_OPARG(); owner = stack_pointer[-1]; PyObject *name = GETITEM(FRAME_CO_NAMES, oparg); int err = PyObject_DelAttr(owner, name); Py_DECREF(owner); if (err) goto pop_1_error_tier_two; stack_pointer += -1; break; } case _STORE_GLOBAL: { PyObject *v; oparg = CURRENT_OPARG(); v = stack_pointer[-1]; PyObject *name = GETITEM(FRAME_CO_NAMES, oparg); int err = PyDict_SetItem(GLOBALS(), name, v); Py_DECREF(v); if (err) goto pop_1_error_tier_two; stack_pointer += -1; break; } case _DELETE_GLOBAL: { oparg = CURRENT_OPARG(); PyObject *name = GETITEM(FRAME_CO_NAMES, oparg); int err; err = PyDict_DelItem(GLOBALS(), name); // Can't use ERROR_IF here. if (err != 0) { if (_PyErr_ExceptionMatches(tstate, PyExc_KeyError)) { _PyEval_FormatExcCheckArg(tstate, PyExc_NameError, NAME_ERROR_MSG, name); } GOTO_ERROR(error); } break; } case _LOAD_LOCALS: { PyObject *locals; locals = LOCALS(); if (locals == NULL) { _PyErr_SetString(tstate, PyExc_SystemError, "no locals found"); if (true) goto error_tier_two; } Py_INCREF(locals); stack_pointer[0] = locals; stack_pointer += 1; break; } case _LOAD_FROM_DICT_OR_GLOBALS: { PyObject *mod_or_class_dict; PyObject *v; oparg = CURRENT_OPARG(); mod_or_class_dict = stack_pointer[-1]; PyObject *name = GETITEM(FRAME_CO_NAMES, oparg); if (PyMapping_GetOptionalItem(mod_or_class_dict, name, &v) < 0) { GOTO_ERROR(error); } if (v == NULL) { if (PyDict_GetItemRef(GLOBALS(), name, &v) < 0) { GOTO_ERROR(error); } if (v == NULL) { if (PyMapping_GetOptionalItem(BUILTINS(), name, &v) < 0) { GOTO_ERROR(error); } if (v == NULL) { _PyEval_FormatExcCheckArg( tstate, PyExc_NameError, NAME_ERROR_MSG, name); GOTO_ERROR(error); } } } Py_DECREF(mod_or_class_dict); stack_pointer[-1] = v; break; } case _LOAD_NAME: { PyObject *v; oparg = CURRENT_OPARG(); PyObject *mod_or_class_dict = LOCALS(); if (mod_or_class_dict == NULL) { _PyErr_SetString(tstate, PyExc_SystemError, "no locals found"); if (true) goto error_tier_two; } PyObject *name = GETITEM(FRAME_CO_NAMES, oparg); if (PyMapping_GetOptionalItem(mod_or_class_dict, name, &v) < 0) { GOTO_ERROR(error); } if (v == NULL) { if (PyDict_GetItemRef(GLOBALS(), name, &v) < 0) { GOTO_ERROR(error); } if (v == NULL) { if (PyMapping_GetOptionalItem(BUILTINS(), name, &v) < 0) { GOTO_ERROR(error); } if (v == NULL) { _PyEval_FormatExcCheckArg( tstate, PyExc_NameError, NAME_ERROR_MSG, name); GOTO_ERROR(error); } } } stack_pointer[0] = v; stack_pointer += 1; break; } case _LOAD_GLOBAL: { PyObject *res; PyObject *null = NULL; oparg = CURRENT_OPARG(); PyObject *name = GETITEM(FRAME_CO_NAMES, oparg>>1); if (PyDict_CheckExact(GLOBALS()) && PyDict_CheckExact(BUILTINS())) { res = _PyDict_LoadGlobal((PyDictObject *)GLOBALS(), (PyDictObject *)BUILTINS(), name); if (res == NULL) { if (!_PyErr_Occurred(tstate)) { /* _PyDict_LoadGlobal() returns NULL without raising * an exception if the key doesn't exist */ _PyEval_FormatExcCheckArg(tstate, PyExc_NameError, NAME_ERROR_MSG, name); } if (true) goto error_tier_two; } Py_INCREF(res); } else { /* Slow-path if globals or builtins is not a dict */ /* namespace 1: globals */ if (PyMapping_GetOptionalItem(GLOBALS(), name, &res) < 0) goto error_tier_two; if (res == NULL) { /* namespace 2: builtins */ if (PyMapping_GetOptionalItem(BUILTINS(), name, &res) < 0) goto error_tier_two; if (res == NULL) { _PyEval_FormatExcCheckArg( tstate, PyExc_NameError, NAME_ERROR_MSG, name); if (true) goto error_tier_two; } } } null = NULL; stack_pointer[0] = res; if (oparg & 1) stack_pointer[1] = null; stack_pointer += 1 + (oparg & 1); break; } case _GUARD_GLOBALS_VERSION: { uint16_t version = (uint16_t)CURRENT_OPERAND(); PyDictObject *dict = (PyDictObject *)GLOBALS(); if (!PyDict_CheckExact(dict)) goto deoptimize; if (dict->ma_keys->dk_version != version) goto deoptimize; assert(DK_IS_UNICODE(dict->ma_keys)); break; } case _GUARD_BUILTINS_VERSION: { uint16_t version = (uint16_t)CURRENT_OPERAND(); PyDictObject *dict = (PyDictObject *)BUILTINS(); if (!PyDict_CheckExact(dict)) goto deoptimize; if (dict->ma_keys->dk_version != version) goto deoptimize; assert(DK_IS_UNICODE(dict->ma_keys)); break; } case _LOAD_GLOBAL_MODULE: { PyObject *res; PyObject *null = NULL; oparg = CURRENT_OPARG(); uint16_t index = (uint16_t)CURRENT_OPERAND(); PyDictObject *dict = (PyDictObject *)GLOBALS(); PyDictUnicodeEntry *entries = DK_UNICODE_ENTRIES(dict->ma_keys); res = entries[index].me_value; if (res == NULL) goto deoptimize; Py_INCREF(res); STAT_INC(LOAD_GLOBAL, hit); null = NULL; stack_pointer[0] = res; if (oparg & 1) stack_pointer[1] = null; stack_pointer += 1 + (oparg & 1); break; } case _LOAD_GLOBAL_BUILTINS: { PyObject *res; PyObject *null = NULL; oparg = CURRENT_OPARG(); uint16_t index = (uint16_t)CURRENT_OPERAND(); PyDictObject *bdict = (PyDictObject *)BUILTINS(); PyDictUnicodeEntry *entries = DK_UNICODE_ENTRIES(bdict->ma_keys); res = entries[index].me_value; if (res == NULL) goto deoptimize; Py_INCREF(res); STAT_INC(LOAD_GLOBAL, hit); null = NULL; stack_pointer[0] = res; if (oparg & 1) stack_pointer[1] = null; stack_pointer += 1 + (oparg & 1); break; } case _DELETE_FAST: { oparg = CURRENT_OPARG(); PyObject *v = GETLOCAL(oparg); if (v == NULL) goto unbound_local_error_tier_two; SETLOCAL(oparg, NULL); break; } case _MAKE_CELL: { oparg = CURRENT_OPARG(); // "initial" is probably NULL but not if it's an arg (or set // via PyFrame_LocalsToFast() before MAKE_CELL has run). PyObject *initial = GETLOCAL(oparg); PyObject *cell = PyCell_New(initial); if (cell == NULL) { GOTO_ERROR(error); } SETLOCAL(oparg, cell); break; } case _DELETE_DEREF: { oparg = CURRENT_OPARG(); PyObject *cell = GETLOCAL(oparg); PyObject *oldobj = PyCell_GET(cell); // Can't use ERROR_IF here. // Fortunately we don't need its superpower. if (oldobj == NULL) { _PyEval_FormatExcUnbound(tstate, _PyFrame_GetCode(frame), oparg); GOTO_ERROR(error); } PyCell_SET(cell, NULL); Py_DECREF(oldobj); break; } case _LOAD_FROM_DICT_OR_DEREF: { PyObject *class_dict; PyObject *value; oparg = CURRENT_OPARG(); class_dict = stack_pointer[-1]; PyObject *name; assert(class_dict); assert(oparg >= 0 && oparg < _PyFrame_GetCode(frame)->co_nlocalsplus); name = PyTuple_GET_ITEM(_PyFrame_GetCode(frame)->co_localsplusnames, oparg); if (PyMapping_GetOptionalItem(class_dict, name, &value) < 0) { GOTO_ERROR(error); } if (!value) { PyObject *cell = GETLOCAL(oparg); value = PyCell_GET(cell); if (value == NULL) { _PyEval_FormatExcUnbound(tstate, _PyFrame_GetCode(frame), oparg); GOTO_ERROR(error); } Py_INCREF(value); } Py_DECREF(class_dict); stack_pointer[-1] = value; break; } case _LOAD_DEREF: { PyObject *value; oparg = CURRENT_OPARG(); PyObject *cell = GETLOCAL(oparg); value = PyCell_GET(cell); if (value == NULL) { _PyEval_FormatExcUnbound(tstate, _PyFrame_GetCode(frame), oparg); if (true) goto error_tier_two; } Py_INCREF(value); stack_pointer[0] = value; stack_pointer += 1; break; } case _STORE_DEREF: { PyObject *v; oparg = CURRENT_OPARG(); v = stack_pointer[-1]; PyObject *cell = GETLOCAL(oparg); PyObject *oldobj = PyCell_GET(cell); PyCell_SET(cell, v); Py_XDECREF(oldobj); stack_pointer += -1; break; } case _COPY_FREE_VARS: { oparg = CURRENT_OPARG(); /* Copy closure variables to free variables */ PyCodeObject *co = _PyFrame_GetCode(frame); assert(PyFunction_Check(frame->f_funcobj)); PyObject *closure = ((PyFunctionObject *)frame->f_funcobj)->func_closure; assert(oparg == co->co_nfreevars); int offset = co->co_nlocalsplus - oparg; for (int i = 0; i < oparg; ++i) { PyObject *o = PyTuple_GET_ITEM(closure, i); frame->localsplus[offset + i] = Py_NewRef(o); } break; } case _BUILD_STRING: { PyObject **pieces; PyObject *str; oparg = CURRENT_OPARG(); pieces = &stack_pointer[-oparg]; str = _PyUnicode_JoinArray(&_Py_STR(empty), pieces, oparg); for (int _i = oparg; --_i >= 0;) { Py_DECREF(pieces[_i]); } if (str == NULL) { stack_pointer += -oparg; goto error_tier_two; } stack_pointer[-oparg] = str; stack_pointer += 1 - oparg; break; } case _BUILD_TUPLE: { PyObject **values; PyObject *tup; oparg = CURRENT_OPARG(); values = &stack_pointer[-oparg]; tup = _PyTuple_FromArraySteal(values, oparg); if (tup == NULL) { stack_pointer += -oparg; goto error_tier_two; } stack_pointer[-oparg] = tup; stack_pointer += 1 - oparg; break; } case _BUILD_LIST: { PyObject **values; PyObject *list; oparg = CURRENT_OPARG(); values = &stack_pointer[-oparg]; list = _PyList_FromArraySteal(values, oparg); if (list == NULL) { stack_pointer += -oparg; goto error_tier_two; } stack_pointer[-oparg] = list; stack_pointer += 1 - oparg; break; } case _LIST_EXTEND: { PyObject *iterable; PyObject *list; oparg = CURRENT_OPARG(); iterable = stack_pointer[-1]; list = stack_pointer[-2 - (oparg-1)]; PyObject *none_val = _PyList_Extend((PyListObject *)list, iterable); if (none_val == NULL) { if (_PyErr_ExceptionMatches(tstate, PyExc_TypeError) && (Py_TYPE(iterable)->tp_iter == NULL && !PySequence_Check(iterable))) { _PyErr_Clear(tstate); _PyErr_Format(tstate, PyExc_TypeError, "Value after * must be an iterable, not %.200s", Py_TYPE(iterable)->tp_name); } Py_DECREF(iterable); if (true) goto pop_1_error_tier_two; } assert(Py_IsNone(none_val)); Py_DECREF(iterable); stack_pointer += -1; break; } case _SET_UPDATE: { PyObject *iterable; PyObject *set; oparg = CURRENT_OPARG(); iterable = stack_pointer[-1]; set = stack_pointer[-2 - (oparg-1)]; int err = _PySet_Update(set, iterable); Py_DECREF(iterable); if (err < 0) goto pop_1_error_tier_two; stack_pointer += -1; break; } case _BUILD_SET: { PyObject **values; PyObject *set; oparg = CURRENT_OPARG(); values = &stack_pointer[-oparg]; set = PySet_New(NULL); if (set == NULL) GOTO_ERROR(error); int err = 0; for (int i = 0; i < oparg; i++) { PyObject *item = values[i]; if (err == 0) err = PySet_Add(set, item); Py_DECREF(item); } if (err != 0) { Py_DECREF(set); if (true) { stack_pointer += -oparg; goto error_tier_two; } } stack_pointer[-oparg] = set; stack_pointer += 1 - oparg; break; } case _BUILD_MAP: { PyObject **values; PyObject *map; oparg = CURRENT_OPARG(); values = &stack_pointer[-oparg*2]; map = _PyDict_FromItems( values, 2, values+1, 2, oparg); for (int _i = oparg*2; --_i >= 0;) { Py_DECREF(values[_i]); } if (map == NULL) { stack_pointer += -oparg*2; goto error_tier_two; } stack_pointer[-oparg*2] = map; stack_pointer += 1 - oparg*2; break; } case _SETUP_ANNOTATIONS: { int err; PyObject *ann_dict; if (LOCALS() == NULL) { _PyErr_Format(tstate, PyExc_SystemError, "no locals found when setting up annotations"); if (true) goto error_tier_two; } /* check if __annotations__ in locals()... */ if (PyMapping_GetOptionalItem(LOCALS(), &_Py_ID(__annotations__), &ann_dict) < 0) goto error_tier_two; if (ann_dict == NULL) { ann_dict = PyDict_New(); if (ann_dict == NULL) goto error_tier_two; err = PyObject_SetItem(LOCALS(), &_Py_ID(__annotations__), ann_dict); Py_DECREF(ann_dict); if (err) goto error_tier_two; } else { Py_DECREF(ann_dict); } break; } case _BUILD_CONST_KEY_MAP: { PyObject *keys; PyObject **values; PyObject *map; oparg = CURRENT_OPARG(); keys = stack_pointer[-1]; values = &stack_pointer[-1 - oparg]; if (!PyTuple_CheckExact(keys) || PyTuple_GET_SIZE(keys) != (Py_ssize_t)oparg) { _PyErr_SetString(tstate, PyExc_SystemError, "bad BUILD_CONST_KEY_MAP keys argument"); GOTO_ERROR(error); // Pop the keys and values. } map = _PyDict_FromItems( &PyTuple_GET_ITEM(keys, 0), 1, values, 1, oparg); for (int _i = oparg; --_i >= 0;) { Py_DECREF(values[_i]); } Py_DECREF(keys); if (map == NULL) { stack_pointer += -1 - oparg; goto error_tier_two; } stack_pointer[-1 - oparg] = map; stack_pointer += -oparg; break; } case _DICT_UPDATE: { PyObject *update; PyObject *dict; oparg = CURRENT_OPARG(); update = stack_pointer[-1]; dict = stack_pointer[-2 - (oparg - 1)]; if (PyDict_Update(dict, update) < 0) { if (_PyErr_ExceptionMatches(tstate, PyExc_AttributeError)) { _PyErr_Format(tstate, PyExc_TypeError, "'%.200s' object is not a mapping", Py_TYPE(update)->tp_name); } Py_DECREF(update); if (true) goto pop_1_error_tier_two; } Py_DECREF(update); stack_pointer += -1; break; } case _DICT_MERGE: { PyObject *update; PyObject *dict; PyObject *callable; oparg = CURRENT_OPARG(); update = stack_pointer[-1]; dict = stack_pointer[-2 - (oparg - 1)]; callable = stack_pointer[-5 - (oparg - 1)]; if (_PyDict_MergeEx(dict, update, 2) < 0) { _PyEval_FormatKwargsError(tstate, callable, update); Py_DECREF(update); if (true) goto pop_1_error_tier_two; } Py_DECREF(update); stack_pointer += -1; break; } case _MAP_ADD: { PyObject *value; PyObject *key; PyObject *dict; oparg = CURRENT_OPARG(); value = stack_pointer[-1]; key = stack_pointer[-2]; dict = stack_pointer[-3 - (oparg - 1)]; assert(PyDict_CheckExact(dict)); /* dict[key] = value */ // Do not DECREF INPUTS because the function steals the references if (_PyDict_SetItem_Take2((PyDictObject *)dict, key, value) != 0) goto pop_2_error_tier_two; stack_pointer += -2; break; } /* _INSTRUMENTED_LOAD_SUPER_ATTR is not a viable micro-op for tier 2 */ case _LOAD_SUPER_ATTR_ATTR: { PyObject *self; PyObject *class; PyObject *global_super; PyObject *attr; oparg = CURRENT_OPARG(); self = stack_pointer[-1]; class = stack_pointer[-2]; global_super = stack_pointer[-3]; assert(!(oparg & 1)); if (global_super != (PyObject *)&PySuper_Type) goto deoptimize; if (!PyType_Check(class)) goto deoptimize; STAT_INC(LOAD_SUPER_ATTR, hit); PyObject *name = GETITEM(FRAME_CO_NAMES, oparg >> 2); attr = _PySuper_Lookup((PyTypeObject *)class, self, name, NULL); Py_DECREF(global_super); Py_DECREF(class); Py_DECREF(self); if (attr == NULL) goto pop_3_error_tier_two; stack_pointer[-3] = attr; stack_pointer += -2 + ((0) ? 1 : 0); break; } case _LOAD_SUPER_ATTR_METHOD: { PyObject *self; PyObject *class; PyObject *global_super; PyObject *attr; PyObject *self_or_null; oparg = CURRENT_OPARG(); self = stack_pointer[-1]; class = stack_pointer[-2]; global_super = stack_pointer[-3]; assert(oparg & 1); if (global_super != (PyObject *)&PySuper_Type) goto deoptimize; if (!PyType_Check(class)) goto deoptimize; STAT_INC(LOAD_SUPER_ATTR, hit); PyObject *name = GETITEM(FRAME_CO_NAMES, oparg >> 2); PyTypeObject *cls = (PyTypeObject *)class; int method_found = 0; attr = _PySuper_Lookup(cls, self, name, Py_TYPE(self)->tp_getattro == PyObject_GenericGetAttr ? &method_found : NULL); Py_DECREF(global_super); Py_DECREF(class); if (attr == NULL) { Py_DECREF(self); if (true) goto pop_3_error_tier_two; } if (method_found) { self_or_null = self; // transfer ownership } else { Py_DECREF(self); self_or_null = NULL; } stack_pointer[-3] = attr; stack_pointer[-2] = self_or_null; stack_pointer += -1; break; } case _LOAD_ATTR: { PyObject *owner; PyObject *attr; PyObject *self_or_null = NULL; oparg = CURRENT_OPARG(); owner = stack_pointer[-1]; PyObject *name = GETITEM(FRAME_CO_NAMES, oparg >> 1); if (oparg & 1) { /* Designed to work in tandem with CALL, pushes two values. */ attr = NULL; if (_PyObject_GetMethod(owner, name, &attr)) { /* We can bypass temporary bound method object. meth is unbound method and obj is self. meth | self | arg1 | ... | argN */ assert(attr != NULL); // No errors on this branch self_or_null = owner; // Transfer ownership } else { /* meth is not an unbound method (but a regular attr, or something was returned by a descriptor protocol). Set the second element of the stack to NULL, to signal CALL that it's not a method call. meth | NULL | arg1 | ... | argN */ Py_DECREF(owner); if (attr == NULL) goto pop_1_error_tier_two; self_or_null = NULL; } } else { /* Classic, pushes one value. */ attr = PyObject_GetAttr(owner, name); Py_DECREF(owner); if (attr == NULL) goto pop_1_error_tier_two; } stack_pointer[-1] = attr; if (oparg & 1) stack_pointer[0] = self_or_null; stack_pointer += (oparg & 1); break; } case _GUARD_TYPE_VERSION: { PyObject *owner; owner = stack_pointer[-1]; uint32_t type_version = (uint32_t)CURRENT_OPERAND(); PyTypeObject *tp = Py_TYPE(owner); assert(type_version != 0); if (tp->tp_version_tag != type_version) goto deoptimize; break; } case _CHECK_MANAGED_OBJECT_HAS_VALUES: { PyObject *owner; owner = stack_pointer[-1]; assert(Py_TYPE(owner)->tp_dictoffset < 0); assert(Py_TYPE(owner)->tp_flags & Py_TPFLAGS_MANAGED_DICT); PyDictOrValues *dorv = _PyObject_DictOrValuesPointer(owner); if (!_PyDictOrValues_IsValues(*dorv) && !_PyObject_MakeInstanceAttributesFromDict(owner, dorv)) goto deoptimize; break; } case _LOAD_ATTR_INSTANCE_VALUE: { PyObject *owner; PyObject *attr; PyObject *null = NULL; oparg = CURRENT_OPARG(); owner = stack_pointer[-1]; uint16_t index = (uint16_t)CURRENT_OPERAND(); PyDictOrValues dorv = *_PyObject_DictOrValuesPointer(owner); attr = _PyDictOrValues_GetValues(dorv)->values[index]; if (attr == NULL) goto deoptimize; STAT_INC(LOAD_ATTR, hit); Py_INCREF(attr); null = NULL; Py_DECREF(owner); stack_pointer[-1] = attr; if (oparg & 1) stack_pointer[0] = null; stack_pointer += (oparg & 1); break; } case _CHECK_ATTR_MODULE: { PyObject *owner; owner = stack_pointer[-1]; uint32_t type_version = (uint32_t)CURRENT_OPERAND(); if (!PyModule_CheckExact(owner)) goto deoptimize; PyDictObject *dict = (PyDictObject *)((PyModuleObject *)owner)->md_dict; assert(dict != NULL); if (dict->ma_keys->dk_version != type_version) goto deoptimize; break; } case _LOAD_ATTR_MODULE: { PyObject *owner; PyObject *attr; PyObject *null = NULL; oparg = CURRENT_OPARG(); owner = stack_pointer[-1]; uint16_t index = (uint16_t)CURRENT_OPERAND(); PyDictObject *dict = (PyDictObject *)((PyModuleObject *)owner)->md_dict; assert(dict->ma_keys->dk_kind == DICT_KEYS_UNICODE); assert(index < dict->ma_keys->dk_nentries); PyDictUnicodeEntry *ep = DK_UNICODE_ENTRIES(dict->ma_keys) + index; attr = ep->me_value; if (attr == NULL) goto deoptimize; STAT_INC(LOAD_ATTR, hit); Py_INCREF(attr); null = NULL; Py_DECREF(owner); stack_pointer[-1] = attr; if (oparg & 1) stack_pointer[0] = null; stack_pointer += (oparg & 1); break; } case _CHECK_ATTR_WITH_HINT: { PyObject *owner; owner = stack_pointer[-1]; assert(Py_TYPE(owner)->tp_flags & Py_TPFLAGS_MANAGED_DICT); PyDictOrValues dorv = *_PyObject_DictOrValuesPointer(owner); if (_PyDictOrValues_IsValues(dorv)) goto deoptimize; PyDictObject *dict = (PyDictObject *)_PyDictOrValues_GetDict(dorv); if (dict == NULL) goto deoptimize; assert(PyDict_CheckExact((PyObject *)dict)); break; } case _LOAD_ATTR_WITH_HINT: { PyObject *owner; PyObject *attr; PyObject *null = NULL; oparg = CURRENT_OPARG(); owner = stack_pointer[-1]; uint16_t hint = (uint16_t)CURRENT_OPERAND(); PyDictOrValues dorv = *_PyObject_DictOrValuesPointer(owner); PyDictObject *dict = (PyDictObject *)_PyDictOrValues_GetDict(dorv); if (hint >= (size_t)dict->ma_keys->dk_nentries) goto deoptimize; PyObject *name = GETITEM(FRAME_CO_NAMES, oparg>>1); if (DK_IS_UNICODE(dict->ma_keys)) { PyDictUnicodeEntry *ep = DK_UNICODE_ENTRIES(dict->ma_keys) + hint; if (ep->me_key != name) goto deoptimize; attr = ep->me_value; } else { PyDictKeyEntry *ep = DK_ENTRIES(dict->ma_keys) + hint; if (ep->me_key != name) goto deoptimize; attr = ep->me_value; } if (attr == NULL) goto deoptimize; STAT_INC(LOAD_ATTR, hit); Py_INCREF(attr); null = NULL; Py_DECREF(owner); stack_pointer[-1] = attr; if (oparg & 1) stack_pointer[0] = null; stack_pointer += (oparg & 1); break; } case _LOAD_ATTR_SLOT: { PyObject *owner; PyObject *attr; PyObject *null = NULL; oparg = CURRENT_OPARG(); owner = stack_pointer[-1]; uint16_t index = (uint16_t)CURRENT_OPERAND(); char *addr = (char *)owner + index; attr = *(PyObject **)addr; if (attr == NULL) goto deoptimize; STAT_INC(LOAD_ATTR, hit); Py_INCREF(attr); null = NULL; Py_DECREF(owner); stack_pointer[-1] = attr; if (oparg & 1) stack_pointer[0] = null; stack_pointer += (oparg & 1); break; } case _CHECK_ATTR_CLASS: { PyObject *owner; owner = stack_pointer[-1]; uint32_t type_version = (uint32_t)CURRENT_OPERAND(); if (!PyType_Check(owner)) goto deoptimize; assert(type_version != 0); if (((PyTypeObject *)owner)->tp_version_tag != type_version) goto deoptimize; break; } case _LOAD_ATTR_CLASS: { PyObject *owner; PyObject *attr; PyObject *null = NULL; oparg = CURRENT_OPARG(); owner = stack_pointer[-1]; PyObject *descr = (PyObject *)CURRENT_OPERAND(); STAT_INC(LOAD_ATTR, hit); assert(descr != NULL); attr = Py_NewRef(descr); null = NULL; Py_DECREF(owner); stack_pointer[-1] = attr; if (oparg & 1) stack_pointer[0] = null; stack_pointer += (oparg & 1); break; } /* _LOAD_ATTR_PROPERTY is not a viable micro-op for tier 2 */ /* _LOAD_ATTR_GETATTRIBUTE_OVERRIDDEN is not a viable micro-op for tier 2 */ case _GUARD_DORV_VALUES: { PyObject *owner; owner = stack_pointer[-1]; assert(Py_TYPE(owner)->tp_flags & Py_TPFLAGS_MANAGED_DICT); PyDictOrValues dorv = *_PyObject_DictOrValuesPointer(owner); if (!_PyDictOrValues_IsValues(dorv)) goto deoptimize; break; } case _STORE_ATTR_INSTANCE_VALUE: { PyObject *owner; PyObject *value; owner = stack_pointer[-1]; value = stack_pointer[-2]; uint16_t index = (uint16_t)CURRENT_OPERAND(); PyDictOrValues dorv = *_PyObject_DictOrValuesPointer(owner); STAT_INC(STORE_ATTR, hit); PyDictValues *values = _PyDictOrValues_GetValues(dorv); PyObject *old_value = values->values[index]; values->values[index] = value; if (old_value == NULL) { _PyDictValues_AddToInsertionOrder(values, index); } else { Py_DECREF(old_value); } Py_DECREF(owner); stack_pointer += -2; break; } /* _STORE_ATTR_WITH_HINT is not a viable micro-op for tier 2 */ case _STORE_ATTR_SLOT: { PyObject *owner; PyObject *value; owner = stack_pointer[-1]; value = stack_pointer[-2]; uint16_t index = (uint16_t)CURRENT_OPERAND(); char *addr = (char *)owner + index; STAT_INC(STORE_ATTR, hit); PyObject *old_value = *(PyObject **)addr; *(PyObject **)addr = value; Py_XDECREF(old_value); Py_DECREF(owner); stack_pointer += -2; break; } case _COMPARE_OP: { PyObject *right; PyObject *left; PyObject *res; oparg = CURRENT_OPARG(); right = stack_pointer[-1]; left = stack_pointer[-2]; assert((oparg >> 5) <= Py_GE); res = PyObject_RichCompare(left, right, oparg >> 5); Py_DECREF(left); Py_DECREF(right); if (res == NULL) goto pop_2_error_tier_two; if (oparg & 16) { int res_bool = PyObject_IsTrue(res); Py_DECREF(res); if (res_bool < 0) goto pop_2_error_tier_two; res = res_bool ? Py_True : Py_False; } stack_pointer[-2] = res; stack_pointer += -1; break; } case _COMPARE_OP_FLOAT: { PyObject *right; PyObject *left; PyObject *res; oparg = CURRENT_OPARG(); right = stack_pointer[-1]; left = stack_pointer[-2]; if (!PyFloat_CheckExact(left)) goto deoptimize; if (!PyFloat_CheckExact(right)) goto deoptimize; STAT_INC(COMPARE_OP, hit); double dleft = PyFloat_AS_DOUBLE(left); double dright = PyFloat_AS_DOUBLE(right); // 1 if NaN, 2 if <, 4 if >, 8 if ==; this matches low four bits of the oparg int sign_ish = COMPARISON_BIT(dleft, dright); _Py_DECREF_SPECIALIZED(left, _PyFloat_ExactDealloc); _Py_DECREF_SPECIALIZED(right, _PyFloat_ExactDealloc); res = (sign_ish & oparg) ? Py_True : Py_False; // It's always a bool, so we don't care about oparg & 16. stack_pointer[-2] = res; stack_pointer += -1; break; } case _COMPARE_OP_INT: { PyObject *right; PyObject *left; PyObject *res; oparg = CURRENT_OPARG(); right = stack_pointer[-1]; left = stack_pointer[-2]; if (!PyLong_CheckExact(left)) goto deoptimize; if (!PyLong_CheckExact(right)) goto deoptimize; if (!_PyLong_IsCompact((PyLongObject *)left)) goto deoptimize; if (!_PyLong_IsCompact((PyLongObject *)right)) goto deoptimize; STAT_INC(COMPARE_OP, hit); assert(_PyLong_DigitCount((PyLongObject *)left) <= 1 && _PyLong_DigitCount((PyLongObject *)right) <= 1); Py_ssize_t ileft = _PyLong_CompactValue((PyLongObject *)left); Py_ssize_t iright = _PyLong_CompactValue((PyLongObject *)right); // 2 if <, 4 if >, 8 if ==; this matches the low 4 bits of the oparg int sign_ish = COMPARISON_BIT(ileft, iright); _Py_DECREF_SPECIALIZED(left, (destructor)PyObject_Free); _Py_DECREF_SPECIALIZED(right, (destructor)PyObject_Free); res = (sign_ish & oparg) ? Py_True : Py_False; // It's always a bool, so we don't care about oparg & 16. stack_pointer[-2] = res; stack_pointer += -1; break; } case _COMPARE_OP_STR: { PyObject *right; PyObject *left; PyObject *res; oparg = CURRENT_OPARG(); right = stack_pointer[-1]; left = stack_pointer[-2]; if (!PyUnicode_CheckExact(left)) goto deoptimize; if (!PyUnicode_CheckExact(right)) goto deoptimize; STAT_INC(COMPARE_OP, hit); int eq = _PyUnicode_Equal(left, right); assert((oparg >> 5) == Py_EQ || (oparg >> 5) == Py_NE); _Py_DECREF_SPECIALIZED(left, _PyUnicode_ExactDealloc); _Py_DECREF_SPECIALIZED(right, _PyUnicode_ExactDealloc); assert(eq == 0 || eq == 1); assert((oparg & 0xf) == COMPARISON_NOT_EQUALS || (oparg & 0xf) == COMPARISON_EQUALS); assert(COMPARISON_NOT_EQUALS + 1 == COMPARISON_EQUALS); res = ((COMPARISON_NOT_EQUALS + eq) & oparg) ? Py_True : Py_False; // It's always a bool, so we don't care about oparg & 16. stack_pointer[-2] = res; stack_pointer += -1; break; } case _IS_OP: { PyObject *right; PyObject *left; PyObject *b; oparg = CURRENT_OPARG(); right = stack_pointer[-1]; left = stack_pointer[-2]; int res = Py_Is(left, right) ^ oparg; Py_DECREF(left); Py_DECREF(right); b = res ? Py_True : Py_False; stack_pointer[-2] = b; stack_pointer += -1; break; } case _CONTAINS_OP: { PyObject *right; PyObject *left; PyObject *b; oparg = CURRENT_OPARG(); right = stack_pointer[-1]; left = stack_pointer[-2]; int res = PySequence_Contains(right, left); Py_DECREF(left); Py_DECREF(right); if (res < 0) goto pop_2_error_tier_two; b = (res ^ oparg) ? Py_True : Py_False; stack_pointer[-2] = b; stack_pointer += -1; break; } case _CHECK_EG_MATCH: { PyObject *match_type; PyObject *exc_value; PyObject *rest; PyObject *match; match_type = stack_pointer[-1]; exc_value = stack_pointer[-2]; if (_PyEval_CheckExceptStarTypeValid(tstate, match_type) < 0) { Py_DECREF(exc_value); Py_DECREF(match_type); if (true) goto pop_2_error_tier_two; } match = NULL; rest = NULL; int res = _PyEval_ExceptionGroupMatch(exc_value, match_type, &match, &rest); Py_DECREF(exc_value); Py_DECREF(match_type); if (res < 0) goto pop_2_error_tier_two; assert((match == NULL) == (rest == NULL)); if (match == NULL) goto pop_2_error_tier_two; if (!Py_IsNone(match)) { PyErr_SetHandledException(match); } stack_pointer[-2] = rest; stack_pointer[-1] = match; break; } case _CHECK_EXC_MATCH: { PyObject *right; PyObject *left; PyObject *b; right = stack_pointer[-1]; left = stack_pointer[-2]; assert(PyExceptionInstance_Check(left)); if (_PyEval_CheckExceptTypeValid(tstate, right) < 0) { Py_DECREF(right); if (true) goto pop_1_error_tier_two; } int res = PyErr_GivenExceptionMatches(left, right); Py_DECREF(right); b = res ? Py_True : Py_False; stack_pointer[-1] = b; break; } /* _JUMP_BACKWARD is not a viable micro-op for tier 2 */ /* _POP_JUMP_IF_FALSE is not a viable micro-op for tier 2 */ /* _POP_JUMP_IF_TRUE is not a viable micro-op for tier 2 */ case _IS_NONE: { PyObject *value; PyObject *b; value = stack_pointer[-1]; if (Py_IsNone(value)) { b = Py_True; } else { b = Py_False; Py_DECREF(value); } stack_pointer[-1] = b; break; } case _GET_LEN: { PyObject *obj; PyObject *len_o; obj = stack_pointer[-1]; // PUSH(len(TOS)) Py_ssize_t len_i = PyObject_Length(obj); if (len_i < 0) goto error_tier_two; len_o = PyLong_FromSsize_t(len_i); if (len_o == NULL) goto error_tier_two; stack_pointer[0] = len_o; stack_pointer += 1; break; } case _MATCH_CLASS: { PyObject *names; PyObject *type; PyObject *subject; PyObject *attrs; oparg = CURRENT_OPARG(); names = stack_pointer[-1]; type = stack_pointer[-2]; subject = stack_pointer[-3]; // Pop TOS and TOS1. Set TOS to a tuple of attributes on success, or // None on failure. assert(PyTuple_CheckExact(names)); attrs = _PyEval_MatchClass(tstate, subject, type, oparg, names); Py_DECREF(subject); Py_DECREF(type); Py_DECREF(names); if (attrs) { assert(PyTuple_CheckExact(attrs)); // Success! } else { if (_PyErr_Occurred(tstate)) goto pop_3_error_tier_two; // Error! attrs = Py_None; // Failure! } stack_pointer[-3] = attrs; stack_pointer += -2; break; } case _MATCH_MAPPING: { PyObject *subject; PyObject *res; subject = stack_pointer[-1]; int match = Py_TYPE(subject)->tp_flags & Py_TPFLAGS_MAPPING; res = match ? Py_True : Py_False; stack_pointer[0] = res; stack_pointer += 1; break; } case _MATCH_SEQUENCE: { PyObject *subject; PyObject *res; subject = stack_pointer[-1]; int match = Py_TYPE(subject)->tp_flags & Py_TPFLAGS_SEQUENCE; res = match ? Py_True : Py_False; stack_pointer[0] = res; stack_pointer += 1; break; } case _MATCH_KEYS: { PyObject *keys; PyObject *subject; PyObject *values_or_none; keys = stack_pointer[-1]; subject = stack_pointer[-2]; // On successful match, PUSH(values). Otherwise, PUSH(None). values_or_none = _PyEval_MatchKeys(tstate, subject, keys); if (values_or_none == NULL) goto error_tier_two; stack_pointer[0] = values_or_none; stack_pointer += 1; break; } case _GET_ITER: { PyObject *iterable; PyObject *iter; iterable = stack_pointer[-1]; /* before: [obj]; after [getiter(obj)] */ iter = PyObject_GetIter(iterable); Py_DECREF(iterable); if (iter == NULL) goto pop_1_error_tier_two; stack_pointer[-1] = iter; break; } case _GET_YIELD_FROM_ITER: { PyObject *iterable; PyObject *iter; iterable = stack_pointer[-1]; /* before: [obj]; after [getiter(obj)] */ if (PyCoro_CheckExact(iterable)) { /* `iterable` is a coroutine */ if (!(_PyFrame_GetCode(frame)->co_flags & (CO_COROUTINE | CO_ITERABLE_COROUTINE))) { /* and it is used in a 'yield from' expression of a regular generator. */ _PyErr_SetString(tstate, PyExc_TypeError, "cannot 'yield from' a coroutine object " "in a non-coroutine generator"); GOTO_ERROR(error); } iter = iterable; } else if (PyGen_CheckExact(iterable)) { iter = iterable; } else { /* `iterable` is not a generator. */ iter = PyObject_GetIter(iterable); if (iter == NULL) { GOTO_ERROR(error); } Py_DECREF(iterable); } stack_pointer[-1] = iter; break; } /* _FOR_ITER is not a viable micro-op for tier 2 */ case _FOR_ITER_TIER_TWO: { PyObject *iter; PyObject *next; iter = stack_pointer[-1]; /* before: [iter]; after: [iter, iter()] *or* [] (and jump over END_FOR.) */ next = (*Py_TYPE(iter)->tp_iternext)(iter); if (next == NULL) { if (_PyErr_Occurred(tstate)) { if (!_PyErr_ExceptionMatches(tstate, PyExc_StopIteration)) { GOTO_ERROR(error); } _PyErr_Clear(tstate); } /* iterator ended normally */ Py_DECREF(iter); STACK_SHRINK(1); /* The translator sets the deopt target just past END_FOR */ if (true) goto deoptimize; } // Common case: no jump, leave it to the code generator stack_pointer[0] = next; stack_pointer += 1; break; } /* _INSTRUMENTED_FOR_ITER is not a viable micro-op for tier 2 */ case _ITER_CHECK_LIST: { PyObject *iter; iter = stack_pointer[-1]; if (Py_TYPE(iter) != &PyListIter_Type) goto deoptimize; break; } /* _ITER_JUMP_LIST is not a viable micro-op for tier 2 */ case _GUARD_NOT_EXHAUSTED_LIST: { PyObject *iter; iter = stack_pointer[-1]; _PyListIterObject *it = (_PyListIterObject *)iter; assert(Py_TYPE(iter) == &PyListIter_Type); PyListObject *seq = it->it_seq; if (seq == NULL) goto deoptimize; if (it->it_index >= PyList_GET_SIZE(seq)) goto deoptimize; break; } case _ITER_NEXT_LIST: { PyObject *iter; PyObject *next; iter = stack_pointer[-1]; _PyListIterObject *it = (_PyListIterObject *)iter; assert(Py_TYPE(iter) == &PyListIter_Type); PyListObject *seq = it->it_seq; assert(seq); assert(it->it_index < PyList_GET_SIZE(seq)); next = Py_NewRef(PyList_GET_ITEM(seq, it->it_index++)); stack_pointer[0] = next; stack_pointer += 1; break; } case _ITER_CHECK_TUPLE: { PyObject *iter; iter = stack_pointer[-1]; if (Py_TYPE(iter) != &PyTupleIter_Type) goto deoptimize; break; } /* _ITER_JUMP_TUPLE is not a viable micro-op for tier 2 */ case _GUARD_NOT_EXHAUSTED_TUPLE: { PyObject *iter; iter = stack_pointer[-1]; _PyTupleIterObject *it = (_PyTupleIterObject *)iter; assert(Py_TYPE(iter) == &PyTupleIter_Type); PyTupleObject *seq = it->it_seq; if (seq == NULL) goto deoptimize; if (it->it_index >= PyTuple_GET_SIZE(seq)) goto deoptimize; break; } case _ITER_NEXT_TUPLE: { PyObject *iter; PyObject *next; iter = stack_pointer[-1]; _PyTupleIterObject *it = (_PyTupleIterObject *)iter; assert(Py_TYPE(iter) == &PyTupleIter_Type); PyTupleObject *seq = it->it_seq; assert(seq); assert(it->it_index < PyTuple_GET_SIZE(seq)); next = Py_NewRef(PyTuple_GET_ITEM(seq, it->it_index++)); stack_pointer[0] = next; stack_pointer += 1; break; } case _ITER_CHECK_RANGE: { PyObject *iter; iter = stack_pointer[-1]; _PyRangeIterObject *r = (_PyRangeIterObject *)iter; if (Py_TYPE(r) != &PyRangeIter_Type) goto deoptimize; break; } /* _ITER_JUMP_RANGE is not a viable micro-op for tier 2 */ case _GUARD_NOT_EXHAUSTED_RANGE: { PyObject *iter; iter = stack_pointer[-1]; _PyRangeIterObject *r = (_PyRangeIterObject *)iter; assert(Py_TYPE(r) == &PyRangeIter_Type); if (r->len <= 0) goto deoptimize; break; } case _ITER_NEXT_RANGE: { PyObject *iter; PyObject *next; iter = stack_pointer[-1]; _PyRangeIterObject *r = (_PyRangeIterObject *)iter; assert(Py_TYPE(r) == &PyRangeIter_Type); assert(r->len > 0); long value = r->start; r->start = value + r->step; r->len--; next = PyLong_FromLong(value); if (next == NULL) goto error_tier_two; stack_pointer[0] = next; stack_pointer += 1; break; } /* _FOR_ITER_GEN is not a viable micro-op for tier 2 */ case _BEFORE_ASYNC_WITH: { PyObject *mgr; PyObject *exit; PyObject *res; mgr = stack_pointer[-1]; PyObject *enter = _PyObject_LookupSpecial(mgr, &_Py_ID(__aenter__)); if (enter == NULL) { if (!_PyErr_Occurred(tstate)) { _PyErr_Format(tstate, PyExc_TypeError, "'%.200s' object does not support the " "asynchronous context manager protocol", Py_TYPE(mgr)->tp_name); } GOTO_ERROR(error); } exit = _PyObject_LookupSpecial(mgr, &_Py_ID(__aexit__)); if (exit == NULL) { if (!_PyErr_Occurred(tstate)) { _PyErr_Format(tstate, PyExc_TypeError, "'%.200s' object does not support the " "asynchronous context manager protocol " "(missed __aexit__ method)", Py_TYPE(mgr)->tp_name); } Py_DECREF(enter); GOTO_ERROR(error); } Py_DECREF(mgr); res = _PyObject_CallNoArgsTstate(tstate, enter); Py_DECREF(enter); if (res == NULL) { Py_DECREF(exit); if (true) goto pop_1_error_tier_two; } stack_pointer[-1] = exit; stack_pointer[0] = res; stack_pointer += 1; break; } case _BEFORE_WITH: { PyObject *mgr; PyObject *exit; PyObject *res; mgr = stack_pointer[-1]; /* pop the context manager, push its __exit__ and the * value returned from calling its __enter__ */ PyObject *enter = _PyObject_LookupSpecial(mgr, &_Py_ID(__enter__)); if (enter == NULL) { if (!_PyErr_Occurred(tstate)) { _PyErr_Format(tstate, PyExc_TypeError, "'%.200s' object does not support the " "context manager protocol", Py_TYPE(mgr)->tp_name); } GOTO_ERROR(error); } exit = _PyObject_LookupSpecial(mgr, &_Py_ID(__exit__)); if (exit == NULL) { if (!_PyErr_Occurred(tstate)) { _PyErr_Format(tstate, PyExc_TypeError, "'%.200s' object does not support the " "context manager protocol " "(missed __exit__ method)", Py_TYPE(mgr)->tp_name); } Py_DECREF(enter); GOTO_ERROR(error); } Py_DECREF(mgr); res = _PyObject_CallNoArgsTstate(tstate, enter); Py_DECREF(enter); if (res == NULL) { Py_DECREF(exit); if (true) goto pop_1_error_tier_two; } stack_pointer[-1] = exit; stack_pointer[0] = res; stack_pointer += 1; break; } case _WITH_EXCEPT_START: { PyObject *val; PyObject *lasti; PyObject *exit_func; PyObject *res; val = stack_pointer[-1]; lasti = stack_pointer[-3]; exit_func = stack_pointer[-4]; /* At the top of the stack are 4 values: - val: TOP = exc_info() - unused: SECOND = previous exception - lasti: THIRD = lasti of exception in exc_info() - exit_func: FOURTH = the context.__exit__ bound method We call FOURTH(type(TOP), TOP, GetTraceback(TOP)). Then we push the __exit__ return value. */ PyObject *exc, *tb; assert(val && PyExceptionInstance_Check(val)); exc = PyExceptionInstance_Class(val); tb = PyException_GetTraceback(val); if (tb == NULL) { tb = Py_None; } else { Py_DECREF(tb); } assert(PyLong_Check(lasti)); (void)lasti; // Shut up compiler warning if asserts are off PyObject *stack[4] = {NULL, exc, val, tb}; res = PyObject_Vectorcall(exit_func, stack + 1, 3 | PY_VECTORCALL_ARGUMENTS_OFFSET, NULL); if (res == NULL) goto error_tier_two; stack_pointer[0] = res; stack_pointer += 1; break; } case _PUSH_EXC_INFO: { PyObject *new_exc; PyObject *prev_exc; new_exc = stack_pointer[-1]; _PyErr_StackItem *exc_info = tstate->exc_info; if (exc_info->exc_value != NULL) { prev_exc = exc_info->exc_value; } else { prev_exc = Py_None; } assert(PyExceptionInstance_Check(new_exc)); exc_info->exc_value = Py_NewRef(new_exc); stack_pointer[-1] = prev_exc; stack_pointer[0] = new_exc; stack_pointer += 1; break; } case _GUARD_DORV_VALUES_INST_ATTR_FROM_DICT: { PyObject *owner; owner = stack_pointer[-1]; assert(Py_TYPE(owner)->tp_flags & Py_TPFLAGS_MANAGED_DICT); PyDictOrValues *dorv = _PyObject_DictOrValuesPointer(owner); if (!_PyDictOrValues_IsValues(*dorv) && !_PyObject_MakeInstanceAttributesFromDict(owner, dorv)) goto deoptimize; break; } case _GUARD_KEYS_VERSION: { PyObject *owner; owner = stack_pointer[-1]; uint32_t keys_version = (uint32_t)CURRENT_OPERAND(); PyTypeObject *owner_cls = Py_TYPE(owner); PyHeapTypeObject *owner_heap_type = (PyHeapTypeObject *)owner_cls; if (owner_heap_type->ht_cached_keys->dk_version != keys_version) goto deoptimize; break; } case _LOAD_ATTR_METHOD_WITH_VALUES: { PyObject *owner; PyObject *attr; PyObject *self = NULL; oparg = CURRENT_OPARG(); owner = stack_pointer[-1]; PyObject *descr = (PyObject *)CURRENT_OPERAND(); assert(oparg & 1); /* Cached method object */ STAT_INC(LOAD_ATTR, hit); assert(descr != NULL); attr = Py_NewRef(descr); assert(_PyType_HasFeature(Py_TYPE(attr), Py_TPFLAGS_METHOD_DESCRIPTOR)); self = owner; stack_pointer[-1] = attr; if (1) stack_pointer[0] = self; stack_pointer += ((1) ? 1 : 0); break; } case _LOAD_ATTR_METHOD_NO_DICT: { PyObject *owner; PyObject *attr; PyObject *self = NULL; oparg = CURRENT_OPARG(); owner = stack_pointer[-1]; PyObject *descr = (PyObject *)CURRENT_OPERAND(); assert(oparg & 1); assert(Py_TYPE(owner)->tp_dictoffset == 0); STAT_INC(LOAD_ATTR, hit); assert(descr != NULL); assert(_PyType_HasFeature(Py_TYPE(descr), Py_TPFLAGS_METHOD_DESCRIPTOR)); attr = Py_NewRef(descr); self = owner; stack_pointer[-1] = attr; if (1) stack_pointer[0] = self; stack_pointer += ((1) ? 1 : 0); break; } case _LOAD_ATTR_NONDESCRIPTOR_WITH_VALUES: { PyObject *owner; PyObject *attr; oparg = CURRENT_OPARG(); owner = stack_pointer[-1]; PyObject *descr = (PyObject *)CURRENT_OPERAND(); assert((oparg & 1) == 0); STAT_INC(LOAD_ATTR, hit); assert(descr != NULL); Py_DECREF(owner); attr = Py_NewRef(descr); stack_pointer[-1] = attr; stack_pointer += ((0) ? 1 : 0); break; } case _LOAD_ATTR_NONDESCRIPTOR_NO_DICT: { PyObject *owner; PyObject *attr; oparg = CURRENT_OPARG(); owner = stack_pointer[-1]; PyObject *descr = (PyObject *)CURRENT_OPERAND(); assert((oparg & 1) == 0); assert(Py_TYPE(owner)->tp_dictoffset == 0); STAT_INC(LOAD_ATTR, hit); assert(descr != NULL); Py_DECREF(owner); attr = Py_NewRef(descr); stack_pointer[-1] = attr; stack_pointer += ((0) ? 1 : 0); break; } case _CHECK_ATTR_METHOD_LAZY_DICT: { PyObject *owner; owner = stack_pointer[-1]; Py_ssize_t dictoffset = Py_TYPE(owner)->tp_dictoffset; assert(dictoffset > 0); PyObject *dict = *(PyObject **)((char *)owner + dictoffset); /* This object has a __dict__, just not yet created */ if (dict != NULL) goto deoptimize; break; } case _LOAD_ATTR_METHOD_LAZY_DICT: { PyObject *owner; PyObject *attr; PyObject *self = NULL; oparg = CURRENT_OPARG(); owner = stack_pointer[-1]; PyObject *descr = (PyObject *)CURRENT_OPERAND(); assert(oparg & 1); STAT_INC(LOAD_ATTR, hit); assert(descr != NULL); assert(_PyType_HasFeature(Py_TYPE(descr), Py_TPFLAGS_METHOD_DESCRIPTOR)); attr = Py_NewRef(descr); self = owner; stack_pointer[-1] = attr; if (1) stack_pointer[0] = self; stack_pointer += ((1) ? 1 : 0); break; } /* _INSTRUMENTED_CALL is not a viable micro-op for tier 2 */ /* _CALL is not a viable micro-op for tier 2 */ case _CHECK_CALL_BOUND_METHOD_EXACT_ARGS: { PyObject *null; PyObject *callable; oparg = CURRENT_OPARG(); null = stack_pointer[-1 - oparg]; callable = stack_pointer[-2 - oparg]; if (null != NULL) goto deoptimize; if (Py_TYPE(callable) != &PyMethod_Type) goto deoptimize; break; } case _INIT_CALL_BOUND_METHOD_EXACT_ARGS: { PyObject *callable; PyObject *func; PyObject *self; oparg = CURRENT_OPARG(); callable = stack_pointer[-2 - oparg]; STAT_INC(CALL, hit); self = Py_NewRef(((PyMethodObject *)callable)->im_self); stack_pointer[-1 - oparg] = self; // Patch stack as it is used by _INIT_CALL_PY_EXACT_ARGS func = Py_NewRef(((PyMethodObject *)callable)->im_func); stack_pointer[-2 - oparg] = func; // This is used by CALL, upon deoptimization Py_DECREF(callable); stack_pointer[-2 - oparg] = func; stack_pointer[-1 - oparg] = self; break; } case _CHECK_PEP_523: { if (tstate->interp->eval_frame) goto deoptimize; break; } case _CHECK_FUNCTION_EXACT_ARGS: { PyObject *self_or_null; PyObject *callable; oparg = CURRENT_OPARG(); self_or_null = stack_pointer[-1 - oparg]; callable = stack_pointer[-2 - oparg]; uint32_t func_version = (uint32_t)CURRENT_OPERAND(); if (!PyFunction_Check(callable)) goto deoptimize; PyFunctionObject *func = (PyFunctionObject *)callable; if (func->func_version != func_version) goto deoptimize; PyCodeObject *code = (PyCodeObject *)func->func_code; if (code->co_argcount != oparg + (self_or_null != NULL)) goto deoptimize; break; } case _CHECK_STACK_SPACE: { PyObject *callable; oparg = CURRENT_OPARG(); callable = stack_pointer[-2 - oparg]; PyFunctionObject *func = (PyFunctionObject *)callable; PyCodeObject *code = (PyCodeObject *)func->func_code; if (!_PyThreadState_HasStackSpace(tstate, code->co_framesize)) goto deoptimize; if (tstate->py_recursion_remaining <= 1) goto deoptimize; break; } case _INIT_CALL_PY_EXACT_ARGS: { PyObject **args; PyObject *self_or_null; PyObject *callable; _PyInterpreterFrame *new_frame; oparg = CURRENT_OPARG(); args = &stack_pointer[-oparg]; self_or_null = stack_pointer[-1 - oparg]; callable = stack_pointer[-2 - oparg]; int argcount = oparg; if (self_or_null != NULL) { args--; argcount++; } STAT_INC(CALL, hit); PyFunctionObject *func = (PyFunctionObject *)callable; new_frame = _PyFrame_PushUnchecked(tstate, func, argcount); for (int i = 0; i < argcount; i++) { new_frame->localsplus[i] = args[i]; } stack_pointer[-2 - oparg] = (PyObject *)new_frame; stack_pointer += -1 - oparg; break; } case _PUSH_FRAME: { _PyInterpreterFrame *new_frame; new_frame = (_PyInterpreterFrame *)stack_pointer[-1]; // Write it out explicitly because it's subtly different. // Eventually this should be the only occurrence of this code. assert(tstate->interp->eval_frame == NULL); stack_pointer += -1; _PyFrame_SetStackPointer(frame, stack_pointer); new_frame->previous = frame; CALL_STAT_INC(inlined_py_calls); frame = tstate->current_frame = new_frame; tstate->py_recursion_remaining--; LOAD_SP(); LOAD_IP(0); #if LLTRACE && TIER_ONE lltrace = maybe_lltrace_resume_frame(frame, &entry_frame, GLOBALS()); if (lltrace < 0) { goto exit_unwind; } #endif stack_pointer += ((0) ? 1 : 0); break; } /* _CALL_PY_WITH_DEFAULTS is not a viable micro-op for tier 2 */ case _CALL_TYPE_1: { PyObject **args; PyObject *null; PyObject *callable; PyObject *res; oparg = CURRENT_OPARG(); args = &stack_pointer[-oparg]; null = stack_pointer[-1 - oparg]; callable = stack_pointer[-2 - oparg]; assert(oparg == 1); if (null != NULL) goto deoptimize; PyObject *obj = args[0]; if (callable != (PyObject *)&PyType_Type) goto deoptimize; STAT_INC(CALL, hit); res = Py_NewRef(Py_TYPE(obj)); Py_DECREF(obj); Py_DECREF(&PyType_Type); // I.e., callable stack_pointer[-2 - oparg] = res; stack_pointer += -1 - oparg; break; } case _CALL_STR_1: { PyObject **args; PyObject *null; PyObject *callable; PyObject *res; oparg = CURRENT_OPARG(); args = &stack_pointer[-oparg]; null = stack_pointer[-1 - oparg]; callable = stack_pointer[-2 - oparg]; assert(oparg == 1); if (null != NULL) goto deoptimize; if (callable != (PyObject *)&PyUnicode_Type) goto deoptimize; STAT_INC(CALL, hit); PyObject *arg = args[0]; res = PyObject_Str(arg); Py_DECREF(arg); Py_DECREF(&PyUnicode_Type); // I.e., callable if (res == NULL) { stack_pointer += -2 - oparg; goto error_tier_two; } stack_pointer[-2 - oparg] = res; stack_pointer += -1 - oparg; CHECK_EVAL_BREAKER(); break; } case _CALL_TUPLE_1: { PyObject **args; PyObject *null; PyObject *callable; PyObject *res; oparg = CURRENT_OPARG(); args = &stack_pointer[-oparg]; null = stack_pointer[-1 - oparg]; callable = stack_pointer[-2 - oparg]; assert(oparg == 1); if (null != NULL) goto deoptimize; if (callable != (PyObject *)&PyTuple_Type) goto deoptimize; STAT_INC(CALL, hit); PyObject *arg = args[0]; res = PySequence_Tuple(arg); Py_DECREF(arg); Py_DECREF(&PyTuple_Type); // I.e., tuple if (res == NULL) { stack_pointer += -2 - oparg; goto error_tier_two; } stack_pointer[-2 - oparg] = res; stack_pointer += -1 - oparg; CHECK_EVAL_BREAKER(); break; } /* _CALL_ALLOC_AND_ENTER_INIT is not a viable micro-op for tier 2 */ case _EXIT_INIT_CHECK: { PyObject *should_be_none; should_be_none = stack_pointer[-1]; assert(STACK_LEVEL() == 2); if (should_be_none != Py_None) { PyErr_Format(PyExc_TypeError, "__init__() should return None, not '%.200s'", Py_TYPE(should_be_none)->tp_name); GOTO_ERROR(error); } stack_pointer += -1; break; } case _CALL_BUILTIN_CLASS: { PyObject **args; PyObject *self_or_null; PyObject *callable; PyObject *res; oparg = CURRENT_OPARG(); args = &stack_pointer[-oparg]; self_or_null = stack_pointer[-1 - oparg]; callable = stack_pointer[-2 - oparg]; int total_args = oparg; if (self_or_null != NULL) { args--; total_args++; } if (!PyType_Check(callable)) goto deoptimize; PyTypeObject *tp = (PyTypeObject *)callable; if (tp->tp_vectorcall == NULL) goto deoptimize; STAT_INC(CALL, hit); res = tp->tp_vectorcall((PyObject *)tp, args, total_args, NULL); /* Free the arguments. */ for (int i = 0; i < total_args; i++) { Py_DECREF(args[i]); } Py_DECREF(tp); if (res == NULL) { stack_pointer += -2 - oparg; goto error_tier_two; } stack_pointer[-2 - oparg] = res; stack_pointer += -1 - oparg; CHECK_EVAL_BREAKER(); break; } case _CALL_BUILTIN_O: { PyObject **args; PyObject *self_or_null; PyObject *callable; PyObject *res; oparg = CURRENT_OPARG(); args = &stack_pointer[-oparg]; self_or_null = stack_pointer[-1 - oparg]; callable = stack_pointer[-2 - oparg]; /* Builtin METH_O functions */ int total_args = oparg; if (self_or_null != NULL) { args--; total_args++; } if (total_args != 1) goto deoptimize; if (!PyCFunction_CheckExact(callable)) goto deoptimize; if (PyCFunction_GET_FLAGS(callable) != METH_O) goto deoptimize; STAT_INC(CALL, hit); PyCFunction cfunc = PyCFunction_GET_FUNCTION(callable); // This is slower but CPython promises to check all non-vectorcall // function calls. if (_Py_EnterRecursiveCallTstate(tstate, " while calling a Python object")) { GOTO_ERROR(error); } PyObject *arg = args[0]; res = _PyCFunction_TrampolineCall(cfunc, PyCFunction_GET_SELF(callable), arg); _Py_LeaveRecursiveCallTstate(tstate); assert((res != NULL) ^ (_PyErr_Occurred(tstate) != NULL)); Py_DECREF(arg); Py_DECREF(callable); if (res == NULL) { stack_pointer += -2 - oparg; goto error_tier_two; } stack_pointer[-2 - oparg] = res; stack_pointer += -1 - oparg; CHECK_EVAL_BREAKER(); break; } case _CALL_BUILTIN_FAST: { PyObject **args; PyObject *self_or_null; PyObject *callable; PyObject *res; oparg = CURRENT_OPARG(); args = &stack_pointer[-oparg]; self_or_null = stack_pointer[-1 - oparg]; callable = stack_pointer[-2 - oparg]; /* Builtin METH_FASTCALL functions, without keywords */ int total_args = oparg; if (self_or_null != NULL) { args--; total_args++; } if (!PyCFunction_CheckExact(callable)) goto deoptimize; if (PyCFunction_GET_FLAGS(callable) != METH_FASTCALL) goto deoptimize; STAT_INC(CALL, hit); PyCFunction cfunc = PyCFunction_GET_FUNCTION(callable); /* res = func(self, args, nargs) */ res = ((_PyCFunctionFast)(void(*)(void))cfunc)( PyCFunction_GET_SELF(callable), args, total_args); assert((res != NULL) ^ (_PyErr_Occurred(tstate) != NULL)); /* Free the arguments. */ for (int i = 0; i < total_args; i++) { Py_DECREF(args[i]); } Py_DECREF(callable); if (res == NULL) { stack_pointer += -2 - oparg; goto error_tier_two; } /* Not deopting because this doesn't mean our optimization was wrong. `res` can be NULL for valid reasons. Eg. getattr(x, 'invalid'). In those cases an exception is set, so we must handle it. */ stack_pointer[-2 - oparg] = res; stack_pointer += -1 - oparg; CHECK_EVAL_BREAKER(); break; } case _CALL_BUILTIN_FAST_WITH_KEYWORDS: { PyObject **args; PyObject *self_or_null; PyObject *callable; PyObject *res; oparg = CURRENT_OPARG(); args = &stack_pointer[-oparg]; self_or_null = stack_pointer[-1 - oparg]; callable = stack_pointer[-2 - oparg]; /* Builtin METH_FASTCALL | METH_KEYWORDS functions */ int total_args = oparg; if (self_or_null != NULL) { args--; total_args++; } if (!PyCFunction_CheckExact(callable)) goto deoptimize; if (PyCFunction_GET_FLAGS(callable) != (METH_FASTCALL | METH_KEYWORDS)) goto deoptimize; STAT_INC(CALL, hit); /* res = func(self, args, nargs, kwnames) */ _PyCFunctionFastWithKeywords cfunc = (_PyCFunctionFastWithKeywords)(void(*)(void)) PyCFunction_GET_FUNCTION(callable); res = cfunc(PyCFunction_GET_SELF(callable), args, total_args, NULL); assert((res != NULL) ^ (_PyErr_Occurred(tstate) != NULL)); /* Free the arguments. */ for (int i = 0; i < total_args; i++) { Py_DECREF(args[i]); } Py_DECREF(callable); if (res == NULL) { stack_pointer += -2 - oparg; goto error_tier_two; } stack_pointer[-2 - oparg] = res; stack_pointer += -1 - oparg; CHECK_EVAL_BREAKER(); break; } case _CALL_LEN: { PyObject **args; PyObject *self_or_null; PyObject *callable; PyObject *res; oparg = CURRENT_OPARG(); args = &stack_pointer[-oparg]; self_or_null = stack_pointer[-1 - oparg]; callable = stack_pointer[-2 - oparg]; /* len(o) */ int total_args = oparg; if (self_or_null != NULL) { args--; total_args++; } if (total_args != 1) goto deoptimize; PyInterpreterState *interp = tstate->interp; if (callable != interp->callable_cache.len) goto deoptimize; STAT_INC(CALL, hit); PyObject *arg = args[0]; Py_ssize_t len_i = PyObject_Length(arg); if (len_i < 0) { GOTO_ERROR(error); } res = PyLong_FromSsize_t(len_i); assert((res != NULL) ^ (_PyErr_Occurred(tstate) != NULL)); Py_DECREF(callable); Py_DECREF(arg); if (res == NULL) { stack_pointer += -2 - oparg; goto error_tier_two; } stack_pointer[-2 - oparg] = res; stack_pointer += -1 - oparg; break; } case _CALL_ISINSTANCE: { PyObject **args; PyObject *self_or_null; PyObject *callable; PyObject *res; oparg = CURRENT_OPARG(); args = &stack_pointer[-oparg]; self_or_null = stack_pointer[-1 - oparg]; callable = stack_pointer[-2 - oparg]; /* isinstance(o, o2) */ int total_args = oparg; if (self_or_null != NULL) { args--; total_args++; } if (total_args != 2) goto deoptimize; PyInterpreterState *interp = tstate->interp; if (callable != interp->callable_cache.isinstance) goto deoptimize; STAT_INC(CALL, hit); PyObject *cls = args[1]; PyObject *inst = args[0]; int retval = PyObject_IsInstance(inst, cls); if (retval < 0) { GOTO_ERROR(error); } res = PyBool_FromLong(retval); assert((res != NULL) ^ (_PyErr_Occurred(tstate) != NULL)); Py_DECREF(inst); Py_DECREF(cls); Py_DECREF(callable); if (res == NULL) { stack_pointer += -2 - oparg; goto error_tier_two; } stack_pointer[-2 - oparg] = res; stack_pointer += -1 - oparg; break; } case _CALL_METHOD_DESCRIPTOR_O: { PyObject **args; PyObject *self_or_null; PyObject *callable; PyObject *res; oparg = CURRENT_OPARG(); args = &stack_pointer[-oparg]; self_or_null = stack_pointer[-1 - oparg]; callable = stack_pointer[-2 - oparg]; int total_args = oparg; if (self_or_null != NULL) { args--; total_args++; } PyMethodDescrObject *method = (PyMethodDescrObject *)callable; if (total_args != 2) goto deoptimize; if (!Py_IS_TYPE(method, &PyMethodDescr_Type)) goto deoptimize; PyMethodDef *meth = method->d_method; if (meth->ml_flags != METH_O) goto deoptimize; PyObject *arg = args[1]; PyObject *self = args[0]; if (!Py_IS_TYPE(self, method->d_common.d_type)) goto deoptimize; STAT_INC(CALL, hit); PyCFunction cfunc = meth->ml_meth; // This is slower but CPython promises to check all non-vectorcall // function calls. if (_Py_EnterRecursiveCallTstate(tstate, " while calling a Python object")) { GOTO_ERROR(error); } res = _PyCFunction_TrampolineCall(cfunc, self, arg); _Py_LeaveRecursiveCallTstate(tstate); assert((res != NULL) ^ (_PyErr_Occurred(tstate) != NULL)); Py_DECREF(self); Py_DECREF(arg); Py_DECREF(callable); if (res == NULL) { stack_pointer += -2 - oparg; goto error_tier_two; } stack_pointer[-2 - oparg] = res; stack_pointer += -1 - oparg; CHECK_EVAL_BREAKER(); break; } case _CALL_METHOD_DESCRIPTOR_FAST_WITH_KEYWORDS: { PyObject **args; PyObject *self_or_null; PyObject *callable; PyObject *res; oparg = CURRENT_OPARG(); args = &stack_pointer[-oparg]; self_or_null = stack_pointer[-1 - oparg]; callable = stack_pointer[-2 - oparg]; int total_args = oparg; if (self_or_null != NULL) { args--; total_args++; } PyMethodDescrObject *method = (PyMethodDescrObject *)callable; if (!Py_IS_TYPE(method, &PyMethodDescr_Type)) goto deoptimize; PyMethodDef *meth = method->d_method; if (meth->ml_flags != (METH_FASTCALL|METH_KEYWORDS)) goto deoptimize; PyTypeObject *d_type = method->d_common.d_type; PyObject *self = args[0]; if (!Py_IS_TYPE(self, d_type)) goto deoptimize; STAT_INC(CALL, hit); int nargs = total_args - 1; _PyCFunctionFastWithKeywords cfunc = (_PyCFunctionFastWithKeywords)(void(*)(void))meth->ml_meth; res = cfunc(self, args + 1, nargs, NULL); assert((res != NULL) ^ (_PyErr_Occurred(tstate) != NULL)); /* Free the arguments. */ for (int i = 0; i < total_args; i++) { Py_DECREF(args[i]); } Py_DECREF(callable); if (res == NULL) { stack_pointer += -2 - oparg; goto error_tier_two; } stack_pointer[-2 - oparg] = res; stack_pointer += -1 - oparg; CHECK_EVAL_BREAKER(); break; } case _CALL_METHOD_DESCRIPTOR_NOARGS: { PyObject **args; PyObject *self_or_null; PyObject *callable; PyObject *res; oparg = CURRENT_OPARG(); args = &stack_pointer[-oparg]; self_or_null = stack_pointer[-1 - oparg]; callable = stack_pointer[-2 - oparg]; assert(oparg == 0 || oparg == 1); int total_args = oparg; if (self_or_null != NULL) { args--; total_args++; } if (total_args != 1) goto deoptimize; PyMethodDescrObject *method = (PyMethodDescrObject *)callable; if (!Py_IS_TYPE(method, &PyMethodDescr_Type)) goto deoptimize; PyMethodDef *meth = method->d_method; PyObject *self = args[0]; if (!Py_IS_TYPE(self, method->d_common.d_type)) goto deoptimize; if (meth->ml_flags != METH_NOARGS) goto deoptimize; STAT_INC(CALL, hit); PyCFunction cfunc = meth->ml_meth; // This is slower but CPython promises to check all non-vectorcall // function calls. if (_Py_EnterRecursiveCallTstate(tstate, " while calling a Python object")) { GOTO_ERROR(error); } res = _PyCFunction_TrampolineCall(cfunc, self, NULL); _Py_LeaveRecursiveCallTstate(tstate); assert((res != NULL) ^ (_PyErr_Occurred(tstate) != NULL)); Py_DECREF(self); Py_DECREF(callable); if (res == NULL) { stack_pointer += -2 - oparg; goto error_tier_two; } stack_pointer[-2 - oparg] = res; stack_pointer += -1 - oparg; CHECK_EVAL_BREAKER(); break; } case _CALL_METHOD_DESCRIPTOR_FAST: { PyObject **args; PyObject *self_or_null; PyObject *callable; PyObject *res; oparg = CURRENT_OPARG(); args = &stack_pointer[-oparg]; self_or_null = stack_pointer[-1 - oparg]; callable = stack_pointer[-2 - oparg]; int total_args = oparg; if (self_or_null != NULL) { args--; total_args++; } PyMethodDescrObject *method = (PyMethodDescrObject *)callable; /* Builtin METH_FASTCALL methods, without keywords */ if (!Py_IS_TYPE(method, &PyMethodDescr_Type)) goto deoptimize; PyMethodDef *meth = method->d_method; if (meth->ml_flags != METH_FASTCALL) goto deoptimize; PyObject *self = args[0]; if (!Py_IS_TYPE(self, method->d_common.d_type)) goto deoptimize; STAT_INC(CALL, hit); _PyCFunctionFast cfunc = (_PyCFunctionFast)(void(*)(void))meth->ml_meth; int nargs = total_args - 1; res = cfunc(self, args + 1, nargs); assert((res != NULL) ^ (_PyErr_Occurred(tstate) != NULL)); /* Clear the stack of the arguments. */ for (int i = 0; i < total_args; i++) { Py_DECREF(args[i]); } Py_DECREF(callable); if (res == NULL) { stack_pointer += -2 - oparg; goto error_tier_two; } stack_pointer[-2 - oparg] = res; stack_pointer += -1 - oparg; CHECK_EVAL_BREAKER(); break; } /* _INSTRUMENTED_CALL_KW is not a viable micro-op for tier 2 */ /* _CALL_KW is not a viable micro-op for tier 2 */ /* _INSTRUMENTED_CALL_FUNCTION_EX is not a viable micro-op for tier 2 */ /* _CALL_FUNCTION_EX is not a viable micro-op for tier 2 */ case _MAKE_FUNCTION: { PyObject *codeobj; PyObject *func; codeobj = stack_pointer[-1]; PyFunctionObject *func_obj = (PyFunctionObject *) PyFunction_New(codeobj, GLOBALS()); Py_DECREF(codeobj); if (func_obj == NULL) { GOTO_ERROR(error); } _PyFunction_SetVersion( func_obj, ((PyCodeObject *)codeobj)->co_version); func = (PyObject *)func_obj; stack_pointer[-1] = func; break; } case _SET_FUNCTION_ATTRIBUTE: { PyObject *func; PyObject *attr; oparg = CURRENT_OPARG(); func = stack_pointer[-1]; attr = stack_pointer[-2]; assert(PyFunction_Check(func)); PyFunctionObject *func_obj = (PyFunctionObject *)func; switch(oparg) { case MAKE_FUNCTION_CLOSURE: assert(func_obj->func_closure == NULL); func_obj->func_closure = attr; break; case MAKE_FUNCTION_ANNOTATIONS: assert(func_obj->func_annotations == NULL); func_obj->func_annotations = attr; break; case MAKE_FUNCTION_KWDEFAULTS: assert(PyDict_CheckExact(attr)); assert(func_obj->func_kwdefaults == NULL); func_obj->func_kwdefaults = attr; break; case MAKE_FUNCTION_DEFAULTS: assert(PyTuple_CheckExact(attr)); assert(func_obj->func_defaults == NULL); func_obj->func_defaults = attr; break; default: Py_UNREACHABLE(); } stack_pointer[-2] = func; stack_pointer += -1; break; } case _BUILD_SLICE: { PyObject *step = NULL; PyObject *stop; PyObject *start; PyObject *slice; oparg = CURRENT_OPARG(); if (oparg == 3) { step = stack_pointer[-((oparg == 3) ? 1 : 0)]; } stop = stack_pointer[-1 - ((oparg == 3) ? 1 : 0)]; start = stack_pointer[-2 - ((oparg == 3) ? 1 : 0)]; slice = PySlice_New(start, stop, step); Py_DECREF(start); Py_DECREF(stop); Py_XDECREF(step); if (slice == NULL) { stack_pointer += -2 - ((oparg == 3) ? 1 : 0); goto error_tier_two; } stack_pointer[-2 - ((oparg == 3) ? 1 : 0)] = slice; stack_pointer += -1 - ((oparg == 3) ? 1 : 0); break; } case _CONVERT_VALUE: { PyObject *value; PyObject *result; oparg = CURRENT_OPARG(); value = stack_pointer[-1]; convertion_func_ptr conv_fn; assert(oparg >= FVC_STR && oparg <= FVC_ASCII); conv_fn = CONVERSION_FUNCTIONS[oparg]; result = conv_fn(value); Py_DECREF(value); if (result == NULL) goto pop_1_error_tier_two; stack_pointer[-1] = result; break; } case _FORMAT_SIMPLE: { PyObject *value; PyObject *res; value = stack_pointer[-1]; /* If value is a unicode object, then we know the result * of format(value) is value itself. */ if (!PyUnicode_CheckExact(value)) { res = PyObject_Format(value, NULL); Py_DECREF(value); if (res == NULL) goto pop_1_error_tier_two; } else { res = value; } stack_pointer[-1] = res; break; } case _FORMAT_WITH_SPEC: { PyObject *fmt_spec; PyObject *value; PyObject *res; fmt_spec = stack_pointer[-1]; value = stack_pointer[-2]; res = PyObject_Format(value, fmt_spec); Py_DECREF(value); Py_DECREF(fmt_spec); if (res == NULL) goto pop_2_error_tier_two; stack_pointer[-2] = res; stack_pointer += -1; break; } case _COPY: { PyObject *bottom; PyObject *top; oparg = CURRENT_OPARG(); bottom = stack_pointer[-1 - (oparg-1)]; assert(oparg > 0); top = Py_NewRef(bottom); stack_pointer[0] = top; stack_pointer += 1; break; } case _BINARY_OP: { PyObject *rhs; PyObject *lhs; PyObject *res; oparg = CURRENT_OPARG(); rhs = stack_pointer[-1]; lhs = stack_pointer[-2]; assert(_PyEval_BinaryOps[oparg]); res = _PyEval_BinaryOps[oparg](lhs, rhs); Py_DECREF(lhs); Py_DECREF(rhs); if (res == NULL) goto pop_2_error_tier_two; stack_pointer[-2] = res; stack_pointer += -1; break; } case _SWAP: { PyObject *top; PyObject *bottom; oparg = CURRENT_OPARG(); top = stack_pointer[-1]; bottom = stack_pointer[-2 - (oparg-2)]; assert(oparg >= 2); stack_pointer[-2 - (oparg-2)] = top; stack_pointer[-1] = bottom; break; } /* _INSTRUMENTED_INSTRUCTION is not a viable micro-op for tier 2 */ /* _INSTRUMENTED_JUMP_FORWARD is not a viable micro-op for tier 2 */ /* _INSTRUMENTED_JUMP_BACKWARD is not a viable micro-op for tier 2 */ /* _INSTRUMENTED_POP_JUMP_IF_TRUE is not a viable micro-op for tier 2 */ /* _INSTRUMENTED_POP_JUMP_IF_FALSE is not a viable micro-op for tier 2 */ /* _INSTRUMENTED_POP_JUMP_IF_NONE is not a viable micro-op for tier 2 */ /* _INSTRUMENTED_POP_JUMP_IF_NOT_NONE is not a viable micro-op for tier 2 */ case _GUARD_IS_TRUE_POP: { PyObject *flag; flag = stack_pointer[-1]; stack_pointer += -1; if (!Py_IsTrue(flag)) goto deoptimize; assert(Py_IsTrue(flag)); break; } case _GUARD_IS_FALSE_POP: { PyObject *flag; flag = stack_pointer[-1]; stack_pointer += -1; if (!Py_IsFalse(flag)) goto deoptimize; assert(Py_IsFalse(flag)); break; } case _GUARD_IS_NONE_POP: { PyObject *val; val = stack_pointer[-1]; stack_pointer += -1; if (!Py_IsNone(val)) { Py_DECREF(val); if (1) goto deoptimize; } break; } case _GUARD_IS_NOT_NONE_POP: { PyObject *val; val = stack_pointer[-1]; stack_pointer += -1; if (Py_IsNone(val)) goto deoptimize; Py_DECREF(val); break; } case _JUMP_TO_TOP: { next_uop = current_executor->trace; CHECK_EVAL_BREAKER(); break; } case _SET_IP: { PyObject *instr_ptr = (PyObject *)CURRENT_OPERAND(); TIER_TWO_ONLY frame->instr_ptr = (_Py_CODEUNIT *)instr_ptr; break; } case _SAVE_RETURN_OFFSET: { oparg = CURRENT_OPARG(); #if TIER_ONE frame->return_offset = (uint16_t)(next_instr - this_instr); #endif #if TIER_TWO frame->return_offset = oparg; #endif break; } case _EXIT_TRACE: { TIER_TWO_ONLY if (1) goto deoptimize; break; } case _CHECK_VALIDITY: { TIER_TWO_ONLY if (!current_executor->vm_data.valid) goto deoptimize; break; } case _LOAD_CONST_INLINE: { PyObject *value; PyObject *ptr = (PyObject *)CURRENT_OPERAND(); TIER_TWO_ONLY value = Py_NewRef(ptr); stack_pointer[0] = value; stack_pointer += 1; break; } case _LOAD_CONST_INLINE_BORROW: { PyObject *value; PyObject *ptr = (PyObject *)CURRENT_OPERAND(); TIER_TWO_ONLY value = ptr; stack_pointer[0] = value; stack_pointer += 1; break; } case _LOAD_CONST_INLINE_WITH_NULL: { PyObject *value; PyObject *null; PyObject *ptr = (PyObject *)CURRENT_OPERAND(); TIER_TWO_ONLY value = Py_NewRef(ptr); null = NULL; stack_pointer[0] = value; stack_pointer[1] = null; stack_pointer += 2; break; } case _LOAD_CONST_INLINE_BORROW_WITH_NULL: { PyObject *value; PyObject *null; PyObject *ptr = (PyObject *)CURRENT_OPERAND(); TIER_TWO_ONLY value = ptr; null = NULL; stack_pointer[0] = value; stack_pointer[1] = null; stack_pointer += 2; break; } case _CHECK_GLOBALS: { PyObject *dict = (PyObject *)CURRENT_OPERAND(); TIER_TWO_ONLY if (GLOBALS() != dict) goto deoptimize; break; } case _CHECK_BUILTINS: { PyObject *dict = (PyObject *)CURRENT_OPERAND(); TIER_TWO_ONLY if (BUILTINS() != dict) goto deoptimize; break; } case _INTERNAL_INCREMENT_OPT_COUNTER: { PyObject *opt; opt = stack_pointer[-1]; _PyCounterOptimizerObject *exe = (_PyCounterOptimizerObject *)opt; exe->count++; stack_pointer += -1; break; } case _CHECK_VALIDITY_AND_SET_IP: { PyObject *instr_ptr = (PyObject *)CURRENT_OPERAND(); TIER_TWO_ONLY if (!current_executor->vm_data.valid) goto deoptimize; frame->instr_ptr = (_Py_CODEUNIT *)instr_ptr; break; } #undef TIER_TWO