// This file is generated by Tools/cases_generator/generate_cases.py // from: // Python/bytecodes.c // Do not edit! TARGET(NOP) { DISPATCH(); } TARGET(RESUME) { PREDICTED(RESUME); static_assert(0 == 0, "incorrect cache size"); TIER_ONE_ONLY assert(frame == tstate->current_frame); uintptr_t global_version = _Py_atomic_load_uintptr_relaxed(&tstate->interp->ceval.eval_breaker) & ~_PY_EVAL_EVENTS_MASK; uintptr_t code_version = _PyFrame_GetCode(frame)->_co_instrumentation_version; assert((code_version & 255) == 0); if (code_version != global_version) { int err = _Py_Instrument(_PyFrame_GetCode(frame), tstate->interp); if (err) goto error; next_instr--; } else { if (oparg < 2) { CHECK_EVAL_BREAKER(); } next_instr[-1].op.code = RESUME_CHECK; } DISPATCH(); } TARGET(RESUME_CHECK) { #if defined(__EMSCRIPTEN__) DEOPT_IF(_Py_emscripten_signal_clock == 0, RESUME); _Py_emscripten_signal_clock -= Py_EMSCRIPTEN_SIGNAL_HANDLING; #endif uintptr_t eval_breaker = _Py_atomic_load_uintptr_relaxed(&tstate->interp->ceval.eval_breaker); uintptr_t version = _PyFrame_GetCode(frame)->_co_instrumentation_version; assert((version & _PY_EVAL_EVENTS_MASK) == 0); DEOPT_IF(eval_breaker != version, RESUME); DISPATCH(); } TARGET(INSTRUMENTED_RESUME) { uintptr_t global_version = _Py_atomic_load_uintptr_relaxed(&tstate->interp->ceval.eval_breaker) & ~_PY_EVAL_EVENTS_MASK; uintptr_t code_version = _PyFrame_GetCode(frame)->_co_instrumentation_version; if (code_version != global_version) { if (_Py_Instrument(_PyFrame_GetCode(frame), tstate->interp)) { goto error; } next_instr--; } else { if (oparg < 2) { CHECK_EVAL_BREAKER(); } _PyFrame_SetStackPointer(frame, stack_pointer); int err = _Py_call_instrumentation( tstate, oparg > 0, frame, next_instr-1); stack_pointer = _PyFrame_GetStackPointer(frame); if (err) goto error; if (frame->prev_instr != next_instr-1) { /* Instrumentation has jumped */ next_instr = frame->prev_instr; DISPATCH(); } } DISPATCH(); } TARGET(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; DISPATCH(); } TARGET(LOAD_FAST) { PyObject *value; value = GETLOCAL(oparg); assert(value != NULL); Py_INCREF(value); STACK_GROW(1); stack_pointer[-1] = value; DISPATCH(); } TARGET(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; DISPATCH(); } TARGET(LOAD_FAST_LOAD_FAST) { PyObject *value1; PyObject *value2; uint32_t oparg1 = oparg >> 4; uint32_t oparg2 = oparg & 15; value1 = GETLOCAL(oparg1); value2 = GETLOCAL(oparg2); Py_INCREF(value1); Py_INCREF(value2); STACK_GROW(2); stack_pointer[-2] = value1; stack_pointer[-1] = value2; DISPATCH(); } TARGET(LOAD_CONST) { PyObject *value; value = GETITEM(FRAME_CO_CONSTS, oparg); Py_INCREF(value); STACK_GROW(1); stack_pointer[-1] = value; DISPATCH(); } TARGET(STORE_FAST) { PyObject *value; value = stack_pointer[-1]; SETLOCAL(oparg, value); STACK_SHRINK(1); DISPATCH(); } TARGET(STORE_FAST_LOAD_FAST) { PyObject *value1; PyObject *value2; value1 = stack_pointer[-1]; uint32_t oparg1 = oparg >> 4; uint32_t oparg2 = oparg & 15; SETLOCAL(oparg1, value1); value2 = GETLOCAL(oparg2); Py_INCREF(value2); stack_pointer[-1] = value2; DISPATCH(); } TARGET(STORE_FAST_STORE_FAST) { PyObject *value1; PyObject *value2; value1 = stack_pointer[-1]; value2 = stack_pointer[-2]; uint32_t oparg1 = oparg >> 4; uint32_t oparg2 = oparg & 15; SETLOCAL(oparg1, value1); SETLOCAL(oparg2, value2); STACK_SHRINK(2); DISPATCH(); } TARGET(POP_TOP) { PyObject *value; value = stack_pointer[-1]; Py_DECREF(value); STACK_SHRINK(1); DISPATCH(); } TARGET(PUSH_NULL) { PyObject *res; res = NULL; STACK_GROW(1); stack_pointer[-1] = res; DISPATCH(); } TARGET(END_FOR) { PyObject *value; // POP_TOP value = stack_pointer[-1]; { Py_DECREF(value); } // POP_TOP value = stack_pointer[-2]; { Py_DECREF(value); } STACK_SHRINK(2); DISPATCH(); } TARGET(INSTRUMENTED_END_FOR) { PyObject *value; PyObject *receiver; value = stack_pointer[-1]; receiver = stack_pointer[-2]; /* Need to create a fake StopIteration error here, * to conform to PEP 380 */ if (PyGen_Check(receiver)) { PyErr_SetObject(PyExc_StopIteration, value); if (monitor_stop_iteration(tstate, frame, next_instr-1)) { goto error; } PyErr_SetRaisedException(NULL); } Py_DECREF(receiver); Py_DECREF(value); STACK_SHRINK(2); DISPATCH(); } TARGET(END_SEND) { PyObject *value; PyObject *receiver; value = stack_pointer[-1]; receiver = stack_pointer[-2]; Py_DECREF(receiver); STACK_SHRINK(1); stack_pointer[-1] = value; DISPATCH(); } TARGET(INSTRUMENTED_END_SEND) { PyObject *value; PyObject *receiver; value = stack_pointer[-1]; receiver = stack_pointer[-2]; if (PyGen_Check(receiver) || PyCoro_CheckExact(receiver)) { PyErr_SetObject(PyExc_StopIteration, value); if (monitor_stop_iteration(tstate, frame, next_instr-1)) { goto error; } PyErr_SetRaisedException(NULL); } Py_DECREF(receiver); STACK_SHRINK(1); stack_pointer[-1] = value; DISPATCH(); } TARGET(UNARY_NEGATIVE) { PyObject *value; PyObject *res; value = stack_pointer[-1]; res = PyNumber_Negative(value); Py_DECREF(value); if (res == NULL) goto pop_1_error; stack_pointer[-1] = res; DISPATCH(); } TARGET(UNARY_NOT) { PyObject *value; PyObject *res; value = stack_pointer[-1]; assert(PyBool_Check(value)); res = Py_IsFalse(value) ? Py_True : Py_False; stack_pointer[-1] = res; DISPATCH(); } TARGET(TO_BOOL) { PREDICTED(TO_BOOL); static_assert(INLINE_CACHE_ENTRIES_TO_BOOL == 3, "incorrect cache size"); PyObject *value; PyObject *res; value = stack_pointer[-1]; #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; next_instr += 3; DISPATCH(); } TARGET(TO_BOOL_BOOL) { PyObject *value; value = stack_pointer[-1]; DEOPT_IF(!PyBool_Check(value), TO_BOOL); STAT_INC(TO_BOOL, hit); next_instr += 3; DISPATCH(); } TARGET(TO_BOOL_INT) { PyObject *value; PyObject *res; value = stack_pointer[-1]; DEOPT_IF(!PyLong_CheckExact(value), TO_BOOL); STAT_INC(TO_BOOL, hit); if (_PyLong_IsZero((PyLongObject *)value)) { assert(_Py_IsImmortal(value)); res = Py_False; } else { Py_DECREF(value); res = Py_True; } stack_pointer[-1] = res; next_instr += 3; DISPATCH(); } TARGET(TO_BOOL_LIST) { PyObject *value; PyObject *res; value = stack_pointer[-1]; DEOPT_IF(!PyList_CheckExact(value), TO_BOOL); STAT_INC(TO_BOOL, hit); res = Py_SIZE(value) ? Py_True : Py_False; Py_DECREF(value); stack_pointer[-1] = res; next_instr += 3; DISPATCH(); } TARGET(TO_BOOL_NONE) { PyObject *value; PyObject *res; value = stack_pointer[-1]; // This one is a bit weird, because we expect *some* failures: DEOPT_IF(!Py_IsNone(value), TO_BOOL); STAT_INC(TO_BOOL, hit); res = Py_False; stack_pointer[-1] = res; next_instr += 3; DISPATCH(); } TARGET(TO_BOOL_STR) { PyObject *value; PyObject *res; value = stack_pointer[-1]; DEOPT_IF(!PyUnicode_CheckExact(value), TO_BOOL); STAT_INC(TO_BOOL, hit); if (value == &_Py_STR(empty)) { assert(_Py_IsImmortal(value)); res = Py_False; } else { assert(Py_SIZE(value)); Py_DECREF(value); res = Py_True; } stack_pointer[-1] = res; next_instr += 3; DISPATCH(); } TARGET(TO_BOOL_ALWAYS_TRUE) { PyObject *value; PyObject *res; value = stack_pointer[-1]; uint32_t version = read_u32(&next_instr[1].cache); // This one is a bit weird, because we expect *some* failures: assert(version); DEOPT_IF(Py_TYPE(value)->tp_version_tag != version, TO_BOOL); STAT_INC(TO_BOOL, hit); Py_DECREF(value); res = Py_True; stack_pointer[-1] = res; next_instr += 3; DISPATCH(); } TARGET(UNARY_INVERT) { PyObject *value; PyObject *res; value = stack_pointer[-1]; res = PyNumber_Invert(value); Py_DECREF(value); if (res == NULL) goto pop_1_error; stack_pointer[-1] = res; DISPATCH(); } TARGET(BINARY_OP_MULTIPLY_INT) { PyObject *right; PyObject *left; PyObject *res; // _GUARD_BOTH_INT right = stack_pointer[-1]; left = stack_pointer[-2]; { DEOPT_IF(!PyLong_CheckExact(left), BINARY_OP); DEOPT_IF(!PyLong_CheckExact(right), BINARY_OP); } // _BINARY_OP_MULTIPLY_INT { STAT_INC(BINARY_OP, hit); res = _PyLong_Multiply((PyLongObject *)left, (PyLongObject *)right); _Py_DECREF_SPECIALIZED(right, (destructor)PyObject_Free); _Py_DECREF_SPECIALIZED(left, (destructor)PyObject_Free); if (res == NULL) goto pop_2_error; } STACK_SHRINK(1); stack_pointer[-1] = res; next_instr += 1; DISPATCH(); } TARGET(BINARY_OP_ADD_INT) { PyObject *right; PyObject *left; PyObject *res; // _GUARD_BOTH_INT right = stack_pointer[-1]; left = stack_pointer[-2]; { DEOPT_IF(!PyLong_CheckExact(left), BINARY_OP); DEOPT_IF(!PyLong_CheckExact(right), BINARY_OP); } // _BINARY_OP_ADD_INT { STAT_INC(BINARY_OP, hit); res = _PyLong_Add((PyLongObject *)left, (PyLongObject *)right); _Py_DECREF_SPECIALIZED(right, (destructor)PyObject_Free); _Py_DECREF_SPECIALIZED(left, (destructor)PyObject_Free); if (res == NULL) goto pop_2_error; } STACK_SHRINK(1); stack_pointer[-1] = res; next_instr += 1; DISPATCH(); } TARGET(BINARY_OP_SUBTRACT_INT) { PyObject *right; PyObject *left; PyObject *res; // _GUARD_BOTH_INT right = stack_pointer[-1]; left = stack_pointer[-2]; { DEOPT_IF(!PyLong_CheckExact(left), BINARY_OP); DEOPT_IF(!PyLong_CheckExact(right), BINARY_OP); } // _BINARY_OP_SUBTRACT_INT { STAT_INC(BINARY_OP, hit); res = _PyLong_Subtract((PyLongObject *)left, (PyLongObject *)right); _Py_DECREF_SPECIALIZED(right, (destructor)PyObject_Free); _Py_DECREF_SPECIALIZED(left, (destructor)PyObject_Free); if (res == NULL) goto pop_2_error; } STACK_SHRINK(1); stack_pointer[-1] = res; next_instr += 1; DISPATCH(); } TARGET(BINARY_OP_MULTIPLY_FLOAT) { PyObject *right; PyObject *left; PyObject *res; // _GUARD_BOTH_FLOAT right = stack_pointer[-1]; left = stack_pointer[-2]; { DEOPT_IF(!PyFloat_CheckExact(left), BINARY_OP); DEOPT_IF(!PyFloat_CheckExact(right), BINARY_OP); } // _BINARY_OP_MULTIPLY_FLOAT { STAT_INC(BINARY_OP, hit); double dres = ((PyFloatObject *)left)->ob_fval * ((PyFloatObject *)right)->ob_fval; DECREF_INPUTS_AND_REUSE_FLOAT(left, right, dres, res); } STACK_SHRINK(1); stack_pointer[-1] = res; next_instr += 1; DISPATCH(); } TARGET(BINARY_OP_ADD_FLOAT) { PyObject *right; PyObject *left; PyObject *res; // _GUARD_BOTH_FLOAT right = stack_pointer[-1]; left = stack_pointer[-2]; { DEOPT_IF(!PyFloat_CheckExact(left), BINARY_OP); DEOPT_IF(!PyFloat_CheckExact(right), BINARY_OP); } // _BINARY_OP_ADD_FLOAT { STAT_INC(BINARY_OP, hit); double dres = ((PyFloatObject *)left)->ob_fval + ((PyFloatObject *)right)->ob_fval; DECREF_INPUTS_AND_REUSE_FLOAT(left, right, dres, res); } STACK_SHRINK(1); stack_pointer[-1] = res; next_instr += 1; DISPATCH(); } TARGET(BINARY_OP_SUBTRACT_FLOAT) { PyObject *right; PyObject *left; PyObject *res; // _GUARD_BOTH_FLOAT right = stack_pointer[-1]; left = stack_pointer[-2]; { DEOPT_IF(!PyFloat_CheckExact(left), BINARY_OP); DEOPT_IF(!PyFloat_CheckExact(right), BINARY_OP); } // _BINARY_OP_SUBTRACT_FLOAT { STAT_INC(BINARY_OP, hit); double dres = ((PyFloatObject *)left)->ob_fval - ((PyFloatObject *)right)->ob_fval; DECREF_INPUTS_AND_REUSE_FLOAT(left, right, dres, res); } STACK_SHRINK(1); stack_pointer[-1] = res; next_instr += 1; DISPATCH(); } TARGET(BINARY_OP_ADD_UNICODE) { PyObject *right; PyObject *left; PyObject *res; // _GUARD_BOTH_UNICODE right = stack_pointer[-1]; left = stack_pointer[-2]; { DEOPT_IF(!PyUnicode_CheckExact(left), BINARY_OP); DEOPT_IF(!PyUnicode_CheckExact(right), BINARY_OP); } // _BINARY_OP_ADD_UNICODE { STAT_INC(BINARY_OP, hit); res = PyUnicode_Concat(left, right); _Py_DECREF_SPECIALIZED(left, _PyUnicode_ExactDealloc); _Py_DECREF_SPECIALIZED(right, _PyUnicode_ExactDealloc); if (res == NULL) goto pop_2_error; } STACK_SHRINK(1); stack_pointer[-1] = res; next_instr += 1; DISPATCH(); } TARGET(BINARY_OP_INPLACE_ADD_UNICODE) { PyObject *right; PyObject *left; // _GUARD_BOTH_UNICODE right = stack_pointer[-1]; left = stack_pointer[-2]; { DEOPT_IF(!PyUnicode_CheckExact(left), BINARY_OP); DEOPT_IF(!PyUnicode_CheckExact(right), BINARY_OP); } // _BINARY_OP_INPLACE_ADD_UNICODE { _Py_CODEUNIT true_next = next_instr[INLINE_CACHE_ENTRIES_BINARY_OP]; assert(true_next.op.code == STORE_FAST); PyObject **target_local = &GETLOCAL(true_next.op.arg); DEOPT_IF(*target_local != left, BINARY_OP); STAT_INC(BINARY_OP, hit); /* Handle `left = left + right` or `left += right` for str. * * When possible, extend `left` in place rather than * allocating a new PyUnicodeObject. This attempts to avoid * quadratic behavior when one neglects to use str.join(). * * If `left` has only two references remaining (one from * the stack, one in the locals), DECREFing `left` leaves * only the locals reference, so PyUnicode_Append knows * that the string is safe to mutate. */ assert(Py_REFCNT(left) >= 2); _Py_DECREF_NO_DEALLOC(left); PyUnicode_Append(target_local, right); _Py_DECREF_SPECIALIZED(right, _PyUnicode_ExactDealloc); if (*target_local == NULL) goto pop_2_error; // The STORE_FAST is already done. SKIP_OVER(INLINE_CACHE_ENTRIES_BINARY_OP + 1); } STACK_SHRINK(2); DISPATCH(); } TARGET(BINARY_SUBSCR) { PREDICTED(BINARY_SUBSCR); static_assert(INLINE_CACHE_ENTRIES_BINARY_SUBSCR == 1, "incorrect cache size"); PyObject *sub; PyObject *container; PyObject *res; sub = stack_pointer[-1]; container = stack_pointer[-2]; #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; next_instr += 1; DISPATCH(); } TARGET(BINARY_SLICE) { PyObject *stop; PyObject *start; PyObject *container; PyObject *res; stop = stack_pointer[-1]; start = stack_pointer[-2]; container = stack_pointer[-3]; PyObject *slice = _PyBuildSlice_ConsumeRefs(start, stop); // Can't use ERROR_IF() here, because we haven't // DECREF'ed container yet, and we still own slice. if (slice == NULL) { res = NULL; } else { res = PyObject_GetItem(container, slice); Py_DECREF(slice); } Py_DECREF(container); if (res == NULL) goto pop_3_error; STACK_SHRINK(2); stack_pointer[-1] = res; DISPATCH(); } TARGET(STORE_SLICE) { PyObject *stop; PyObject *start; PyObject *container; PyObject *v; stop = stack_pointer[-1]; start = stack_pointer[-2]; container = stack_pointer[-3]; v = stack_pointer[-4]; PyObject *slice = _PyBuildSlice_ConsumeRefs(start, stop); int err; if (slice == NULL) { err = 1; } else { err = PyObject_SetItem(container, slice, v); Py_DECREF(slice); } Py_DECREF(v); Py_DECREF(container); if (err) goto pop_4_error; STACK_SHRINK(4); DISPATCH(); } TARGET(BINARY_SUBSCR_LIST_INT) { PyObject *sub; PyObject *list; PyObject *res; sub = stack_pointer[-1]; list = stack_pointer[-2]; DEOPT_IF(!PyLong_CheckExact(sub), BINARY_SUBSCR); DEOPT_IF(!PyList_CheckExact(list), BINARY_SUBSCR); // Deopt unless 0 <= sub < PyList_Size(list) DEOPT_IF(!_PyLong_IsNonNegativeCompact((PyLongObject *)sub), BINARY_SUBSCR); Py_ssize_t index = ((PyLongObject*)sub)->long_value.ob_digit[0]; DEOPT_IF(index >= PyList_GET_SIZE(list), BINARY_SUBSCR); STAT_INC(BINARY_SUBSCR, hit); res = PyList_GET_ITEM(list, index); assert(res != NULL); Py_INCREF(res); _Py_DECREF_SPECIALIZED(sub, (destructor)PyObject_Free); Py_DECREF(list); STACK_SHRINK(1); stack_pointer[-1] = res; next_instr += 1; DISPATCH(); } TARGET(BINARY_SUBSCR_STR_INT) { PyObject *sub; PyObject *str; PyObject *res; sub = stack_pointer[-1]; str = stack_pointer[-2]; DEOPT_IF(!PyLong_CheckExact(sub), BINARY_SUBSCR); DEOPT_IF(!PyUnicode_CheckExact(str), BINARY_SUBSCR); DEOPT_IF(!_PyLong_IsNonNegativeCompact((PyLongObject *)sub), BINARY_SUBSCR); Py_ssize_t index = ((PyLongObject*)sub)->long_value.ob_digit[0]; DEOPT_IF(PyUnicode_GET_LENGTH(str) <= index, BINARY_SUBSCR); // Specialize for reading an ASCII character from any string: Py_UCS4 c = PyUnicode_READ_CHAR(str, index); DEOPT_IF(Py_ARRAY_LENGTH(_Py_SINGLETON(strings).ascii) <= c, BINARY_SUBSCR); STAT_INC(BINARY_SUBSCR, hit); res = (PyObject*)&_Py_SINGLETON(strings).ascii[c]; _Py_DECREF_SPECIALIZED(sub, (destructor)PyObject_Free); Py_DECREF(str); STACK_SHRINK(1); stack_pointer[-1] = res; next_instr += 1; DISPATCH(); } TARGET(BINARY_SUBSCR_TUPLE_INT) { PyObject *sub; PyObject *tuple; PyObject *res; sub = stack_pointer[-1]; tuple = stack_pointer[-2]; DEOPT_IF(!PyLong_CheckExact(sub), BINARY_SUBSCR); DEOPT_IF(!PyTuple_CheckExact(tuple), BINARY_SUBSCR); // Deopt unless 0 <= sub < PyTuple_Size(list) DEOPT_IF(!_PyLong_IsNonNegativeCompact((PyLongObject *)sub), BINARY_SUBSCR); Py_ssize_t index = ((PyLongObject*)sub)->long_value.ob_digit[0]; DEOPT_IF(index >= PyTuple_GET_SIZE(tuple), BINARY_SUBSCR); STAT_INC(BINARY_SUBSCR, hit); res = PyTuple_GET_ITEM(tuple, index); assert(res != NULL); Py_INCREF(res); _Py_DECREF_SPECIALIZED(sub, (destructor)PyObject_Free); Py_DECREF(tuple); STACK_SHRINK(1); stack_pointer[-1] = res; next_instr += 1; DISPATCH(); } TARGET(BINARY_SUBSCR_DICT) { PyObject *sub; PyObject *dict; PyObject *res; sub = stack_pointer[-1]; dict = stack_pointer[-2]; 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; next_instr += 1; DISPATCH(); } TARGET(BINARY_SUBSCR_GETITEM) { PyObject *sub; PyObject *container; sub = stack_pointer[-1]; container = stack_pointer[-2]; DEOPT_IF(tstate->interp->eval_frame, BINARY_SUBSCR); PyTypeObject *tp = Py_TYPE(container); DEOPT_IF(!PyType_HasFeature(tp, Py_TPFLAGS_HEAPTYPE), BINARY_SUBSCR); PyHeapTypeObject *ht = (PyHeapTypeObject *)tp; PyObject *cached = ht->_spec_cache.getitem; DEOPT_IF(cached == NULL, BINARY_SUBSCR); assert(PyFunction_Check(cached)); PyFunctionObject *getitem = (PyFunctionObject *)cached; uint32_t cached_version = ht->_spec_cache.getitem_version; DEOPT_IF(getitem->func_version != cached_version, BINARY_SUBSCR); PyCodeObject *code = (PyCodeObject *)getitem->func_code; assert(code->co_argcount == 2); DEOPT_IF(!_PyThreadState_HasStackSpace(tstate, code->co_framesize), BINARY_SUBSCR); STAT_INC(BINARY_SUBSCR, hit); Py_INCREF(getitem); _PyInterpreterFrame *new_frame = _PyFrame_PushUnchecked(tstate, getitem, 2); STACK_SHRINK(2); new_frame->localsplus[0] = container; new_frame->localsplus[1] = sub; SKIP_OVER(INLINE_CACHE_ENTRIES_BINARY_SUBSCR); frame->return_offset = 0; DISPATCH_INLINED(new_frame); } TARGET(LIST_APPEND) { PyObject *v; PyObject *list; v = stack_pointer[-1]; list = stack_pointer[-2 - (oparg-1)]; if (_PyList_AppendTakeRef((PyListObject *)list, v) < 0) goto pop_1_error; STACK_SHRINK(1); DISPATCH(); } TARGET(SET_ADD) { PyObject *v; PyObject *set; v = stack_pointer[-1]; set = stack_pointer[-2 - (oparg-1)]; int err = PySet_Add(set, v); Py_DECREF(v); if (err) goto pop_1_error; STACK_SHRINK(1); DISPATCH(); } TARGET(STORE_SUBSCR) { PREDICTED(STORE_SUBSCR); static_assert(INLINE_CACHE_ENTRIES_STORE_SUBSCR == 1, "incorrect cache size"); PyObject *sub; PyObject *container; PyObject *v; sub = stack_pointer[-1]; container = stack_pointer[-2]; v = stack_pointer[-3]; #if ENABLE_SPECIALIZATION _PyStoreSubscrCache *cache = (_PyStoreSubscrCache *)next_instr; if (ADAPTIVE_COUNTER_IS_ZERO(cache->counter)) { next_instr--; _Py_Specialize_StoreSubscr(container, sub, next_instr); DISPATCH_SAME_OPARG(); } STAT_INC(STORE_SUBSCR, deferred); DECREMENT_ADAPTIVE_COUNTER(cache->counter); #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); next_instr += 1; DISPATCH(); } TARGET(STORE_SUBSCR_LIST_INT) { PyObject *sub; PyObject *list; PyObject *value; sub = stack_pointer[-1]; list = stack_pointer[-2]; value = stack_pointer[-3]; DEOPT_IF(!PyLong_CheckExact(sub), STORE_SUBSCR); DEOPT_IF(!PyList_CheckExact(list), STORE_SUBSCR); // Ensure nonnegative, zero-or-one-digit ints. DEOPT_IF(!_PyLong_IsNonNegativeCompact((PyLongObject *)sub), STORE_SUBSCR); Py_ssize_t index = ((PyLongObject*)sub)->long_value.ob_digit[0]; // Ensure index < len(list) DEOPT_IF(index >= PyList_GET_SIZE(list), STORE_SUBSCR); STAT_INC(STORE_SUBSCR, hit); PyObject *old_value = PyList_GET_ITEM(list, index); PyList_SET_ITEM(list, index, value); assert(old_value != NULL); Py_DECREF(old_value); _Py_DECREF_SPECIALIZED(sub, (destructor)PyObject_Free); Py_DECREF(list); STACK_SHRINK(3); next_instr += 1; DISPATCH(); } TARGET(STORE_SUBSCR_DICT) { PyObject *sub; PyObject *dict; PyObject *value; sub = stack_pointer[-1]; dict = stack_pointer[-2]; value = stack_pointer[-3]; DEOPT_IF(!PyDict_CheckExact(dict), STORE_SUBSCR); STAT_INC(STORE_SUBSCR, hit); int err = _PyDict_SetItem_Take2((PyDictObject *)dict, sub, value); Py_DECREF(dict); if (err) goto pop_3_error; STACK_SHRINK(3); next_instr += 1; DISPATCH(); } TARGET(DELETE_SUBSCR) { PyObject *sub; PyObject *container; sub = stack_pointer[-1]; container = stack_pointer[-2]; /* del container[sub] */ int err = PyObject_DelItem(container, sub); Py_DECREF(container); Py_DECREF(sub); if (err) goto pop_2_error; STACK_SHRINK(2); DISPATCH(); } TARGET(CALL_INTRINSIC_1) { PyObject *value; PyObject *res; value = stack_pointer[-1]; assert(oparg <= MAX_INTRINSIC_1); res = _PyIntrinsics_UnaryFunctions[oparg].func(tstate, value); Py_DECREF(value); if (res == NULL) goto pop_1_error; stack_pointer[-1] = res; DISPATCH(); } TARGET(CALL_INTRINSIC_2) { PyObject *value1; PyObject *value2; PyObject *res; value1 = stack_pointer[-1]; value2 = stack_pointer[-2]; assert(oparg <= MAX_INTRINSIC_2); res = _PyIntrinsics_BinaryFunctions[oparg].func(tstate, value2, value1); Py_DECREF(value2); Py_DECREF(value1); if (res == NULL) goto pop_2_error; STACK_SHRINK(1); stack_pointer[-1] = res; DISPATCH(); } TARGET(RAISE_VARARGS) { PyObject **args; args = stack_pointer - oparg; PyObject *cause = NULL, *exc = NULL; switch (oparg) { case 2: cause = args[1]; /* fall through */ case 1: exc = args[0]; /* fall through */ case 0: if (do_raise(tstate, exc, cause)) { assert(oparg == 0); monitor_reraise(tstate, frame, next_instr-1); goto exception_unwind; } break; default: _PyErr_SetString(tstate, PyExc_SystemError, "bad RAISE_VARARGS oparg"); break; } if (true) { STACK_SHRINK(oparg); goto error; } } TARGET(INTERPRETER_EXIT) { PyObject *retval; retval = stack_pointer[-1]; assert(frame == &entry_frame); assert(_PyFrame_IsIncomplete(frame)); /* Restore previous frame and return. */ tstate->current_frame = frame->previous; assert(!_PyErr_Occurred(tstate)); tstate->c_recursion_remaining += PY_EVAL_C_STACK_UNITS; return retval; } TARGET(RETURN_VALUE) { PyObject *retval; // _SAVE_CURRENT_IP { TIER_ONE_ONLY frame->prev_instr = next_instr - 1; } // _POP_FRAME retval = stack_pointer[-1]; STACK_SHRINK(1); { assert(EMPTY()); #if TIER_ONE assert(frame != &entry_frame); #endif STORE_SP(); _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); frame->prev_instr += frame->return_offset; _PyFrame_StackPush(frame, retval); LOAD_SP(); LOAD_IP(); #if LLTRACE && TIER_ONE lltrace = maybe_lltrace_resume_frame(frame, &entry_frame, GLOBALS()); if (lltrace < 0) { goto exit_unwind; } #endif } DISPATCH(); } TARGET(INSTRUMENTED_RETURN_VALUE) { PyObject *retval; retval = stack_pointer[-1]; int err = _Py_call_instrumentation_arg( tstate, PY_MONITORING_EVENT_PY_RETURN, frame, next_instr-1, retval); if (err) goto error; STACK_SHRINK(1); assert(EMPTY()); _PyFrame_SetStackPointer(frame, stack_pointer); _Py_LeaveRecursiveCallPy(tstate); assert(frame != &entry_frame); // GH-99729: We need to unlink the frame *before* clearing it: _PyInterpreterFrame *dying = frame; frame = tstate->current_frame = dying->previous; _PyEval_FrameClearAndPop(tstate, dying); frame->prev_instr += frame->return_offset; _PyFrame_StackPush(frame, retval); goto resume_frame; } TARGET(RETURN_CONST) { PyObject *value; PyObject *retval; // LOAD_CONST { value = GETITEM(FRAME_CO_CONSTS, oparg); Py_INCREF(value); } // _SAVE_CURRENT_IP { TIER_ONE_ONLY frame->prev_instr = next_instr - 1; } // _POP_FRAME retval = value; { assert(EMPTY()); #if TIER_ONE assert(frame != &entry_frame); #endif STORE_SP(); _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); frame->prev_instr += frame->return_offset; _PyFrame_StackPush(frame, retval); LOAD_SP(); LOAD_IP(); #if LLTRACE && TIER_ONE lltrace = maybe_lltrace_resume_frame(frame, &entry_frame, GLOBALS()); if (lltrace < 0) { goto exit_unwind; } #endif } DISPATCH(); } TARGET(INSTRUMENTED_RETURN_CONST) { PyObject *retval = GETITEM(FRAME_CO_CONSTS, oparg); int err = _Py_call_instrumentation_arg( tstate, PY_MONITORING_EVENT_PY_RETURN, frame, next_instr-1, retval); if (err) goto error; Py_INCREF(retval); assert(EMPTY()); _PyFrame_SetStackPointer(frame, stack_pointer); _Py_LeaveRecursiveCallPy(tstate); assert(frame != &entry_frame); // GH-99729: We need to unlink the frame *before* clearing it: _PyInterpreterFrame *dying = frame; frame = tstate->current_frame = dying->previous; _PyEval_FrameClearAndPop(tstate, dying); frame->prev_instr += frame->return_offset; _PyFrame_StackPush(frame, retval); goto resume_frame; } TARGET(GET_AITER) { PyObject *obj; PyObject *iter; obj = stack_pointer[-1]; unaryfunc getter = NULL; PyTypeObject *type = Py_TYPE(obj); if (type->tp_as_async != NULL) { getter = type->tp_as_async->am_aiter; } if (getter == NULL) { _PyErr_Format(tstate, PyExc_TypeError, "'async for' requires an object with " "__aiter__ method, got %.100s", type->tp_name); Py_DECREF(obj); if (true) goto pop_1_error; } iter = (*getter)(obj); Py_DECREF(obj); if (iter == NULL) goto pop_1_error; if (Py_TYPE(iter)->tp_as_async == NULL || Py_TYPE(iter)->tp_as_async->am_anext == NULL) { _PyErr_Format(tstate, PyExc_TypeError, "'async for' received an object from __aiter__ " "that does not implement __anext__: %.100s", Py_TYPE(iter)->tp_name); Py_DECREF(iter); if (true) goto pop_1_error; } stack_pointer[-1] = iter; DISPATCH(); } TARGET(GET_ANEXT) { 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; } } 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; DISPATCH(); } TARGET(GET_AWAITABLE) { PyObject *iterable; PyObject *iter; iterable = stack_pointer[-1]; iter = _PyCoro_GetAwaitableIter(iterable); if (iter == NULL) { _PyEval_FormatAwaitableError(tstate, Py_TYPE(iterable), oparg); } Py_DECREF(iterable); if (iter != NULL && PyCoro_CheckExact(iter)) { PyObject *yf = _PyGen_yf((PyGenObject*)iter); if (yf != NULL) { /* `iter` is a coroutine object that is being awaited, `yf` is a pointer to the current awaitable being awaited on. */ Py_DECREF(yf); Py_CLEAR(iter); _PyErr_SetString(tstate, PyExc_RuntimeError, "coroutine is being awaited already"); /* The code below jumps to `error` if `iter` is NULL. */ } } if (iter == NULL) goto pop_1_error; stack_pointer[-1] = iter; DISPATCH(); } TARGET(SEND) { PREDICTED(SEND); static_assert(INLINE_CACHE_ENTRIES_SEND == 1, "incorrect cache size"); PyObject *v; PyObject *receiver; PyObject *retval; v = stack_pointer[-1]; receiver = stack_pointer[-2]; #if ENABLE_SPECIALIZATION _PySendCache *cache = (_PySendCache *)next_instr; if (ADAPTIVE_COUNTER_IS_ZERO(cache->counter)) { next_instr--; _Py_Specialize_Send(receiver, next_instr); DISPATCH_SAME_OPARG(); } STAT_INC(SEND, deferred); DECREMENT_ADAPTIVE_COUNTER(cache->counter); #endif /* ENABLE_SPECIALIZATION */ assert(frame != &entry_frame); if ((tstate->interp->eval_frame == NULL) && (Py_TYPE(receiver) == &PyGen_Type || Py_TYPE(receiver) == &PyCoro_Type) && ((PyGenObject *)receiver)->gi_frame_state < FRAME_EXECUTING) { PyGenObject *gen = (PyGenObject *)receiver; _PyInterpreterFrame *gen_frame = (_PyInterpreterFrame *)gen->gi_iframe; STACK_SHRINK(1); _PyFrame_StackPush(gen_frame, v); gen->gi_frame_state = FRAME_EXECUTING; gen->gi_exc_state.previous_item = tstate->exc_info; tstate->exc_info = &gen->gi_exc_state; SKIP_OVER(INLINE_CACHE_ENTRIES_SEND); frame->return_offset = oparg; DISPATCH_INLINED(gen_frame); } if (Py_IsNone(v) && PyIter_Check(receiver)) { retval = Py_TYPE(receiver)->tp_iternext(receiver); } else { retval = PyObject_CallMethodOneArg(receiver, &_Py_ID(send), v); } if (retval == NULL) { if (_PyErr_ExceptionMatches(tstate, PyExc_StopIteration) ) { monitor_raise(tstate, frame, next_instr-1); } if (_PyGen_FetchStopIterationValue(&retval) == 0) { assert(retval != NULL); JUMPBY(oparg); } else { goto error; } } Py_DECREF(v); stack_pointer[-1] = retval; next_instr += 1; DISPATCH(); } TARGET(SEND_GEN) { PyObject *v; PyObject *receiver; v = stack_pointer[-1]; receiver = stack_pointer[-2]; DEOPT_IF(tstate->interp->eval_frame, SEND); PyGenObject *gen = (PyGenObject *)receiver; DEOPT_IF(Py_TYPE(gen) != &PyGen_Type && Py_TYPE(gen) != &PyCoro_Type, SEND); DEOPT_IF(gen->gi_frame_state >= FRAME_EXECUTING, SEND); STAT_INC(SEND, hit); _PyInterpreterFrame *gen_frame = (_PyInterpreterFrame *)gen->gi_iframe; STACK_SHRINK(1); _PyFrame_StackPush(gen_frame, v); gen->gi_frame_state = FRAME_EXECUTING; gen->gi_exc_state.previous_item = tstate->exc_info; tstate->exc_info = &gen->gi_exc_state; SKIP_OVER(INLINE_CACHE_ENTRIES_SEND); frame->return_offset = oparg; DISPATCH_INLINED(gen_frame); } TARGET(INSTRUMENTED_YIELD_VALUE) { PyObject *retval; retval = stack_pointer[-1]; assert(frame != &entry_frame); assert(oparg >= 0); /* make the generator identify this as HAS_ARG */ PyGenObject *gen = _PyFrame_GetGenerator(frame); gen->gi_frame_state = FRAME_SUSPENDED; _PyFrame_SetStackPointer(frame, stack_pointer - 1); int err = _Py_call_instrumentation_arg( tstate, PY_MONITORING_EVENT_PY_YIELD, frame, next_instr-1, retval); if (err) goto error; tstate->exc_info = gen->gi_exc_state.previous_item; gen->gi_exc_state.previous_item = NULL; _Py_LeaveRecursiveCallPy(tstate); _PyInterpreterFrame *gen_frame = frame; frame = tstate->current_frame = frame->previous; gen_frame->previous = NULL; _PyFrame_StackPush(frame, retval); goto resume_frame; } TARGET(YIELD_VALUE) { PyObject *retval; retval = stack_pointer[-1]; // NOTE: It's important that YIELD_VALUE never raises an exception! // The compiler treats any exception raised here as a failed close() // or throw() call. assert(oparg >= 0); /* make the generator identify this as HAS_ARG */ assert(frame != &entry_frame); PyGenObject *gen = _PyFrame_GetGenerator(frame); gen->gi_frame_state = FRAME_SUSPENDED; _PyFrame_SetStackPointer(frame, stack_pointer - 1); tstate->exc_info = gen->gi_exc_state.previous_item; gen->gi_exc_state.previous_item = NULL; _Py_LeaveRecursiveCallPy(tstate); _PyInterpreterFrame *gen_frame = frame; frame = tstate->current_frame = frame->previous; gen_frame->previous = NULL; _PyFrame_StackPush(frame, retval); goto resume_frame; } TARGET(POP_EXCEPT) { PyObject *exc_value; exc_value = stack_pointer[-1]; _PyErr_StackItem *exc_info = tstate->exc_info; Py_XSETREF(exc_info->exc_value, exc_value); STACK_SHRINK(1); DISPATCH(); } TARGET(RERAISE) { PyObject *exc; PyObject **values; exc = stack_pointer[-1]; values = stack_pointer - 1 - oparg; assert(oparg >= 0 && oparg <= 2); if (oparg) { PyObject *lasti = values[0]; if (PyLong_Check(lasti)) { frame->prev_instr = _PyCode_CODE(_PyFrame_GetCode(frame)) + PyLong_AsLong(lasti); assert(!_PyErr_Occurred(tstate)); } else { assert(PyLong_Check(lasti)); _PyErr_SetString(tstate, PyExc_SystemError, "lasti is not an int"); goto error; } } assert(exc && PyExceptionInstance_Check(exc)); Py_INCREF(exc); _PyErr_SetRaisedException(tstate, exc); monitor_reraise(tstate, frame, next_instr-1); goto exception_unwind; } TARGET(END_ASYNC_FOR) { PyObject *exc; PyObject *awaitable; exc = stack_pointer[-1]; awaitable = stack_pointer[-2]; assert(exc && PyExceptionInstance_Check(exc)); if (PyErr_GivenExceptionMatches(exc, PyExc_StopAsyncIteration)) { Py_DECREF(awaitable); Py_DECREF(exc); } else { Py_INCREF(exc); _PyErr_SetRaisedException(tstate, exc); monitor_reraise(tstate, frame, next_instr-1); goto exception_unwind; } STACK_SHRINK(2); DISPATCH(); } TARGET(CLEANUP_THROW) { PyObject *exc_value; PyObject *last_sent_val; PyObject *sub_iter; PyObject *none; PyObject *value; exc_value = stack_pointer[-1]; last_sent_val = stack_pointer[-2]; sub_iter = stack_pointer[-3]; assert(throwflag); assert(exc_value && PyExceptionInstance_Check(exc_value)); if (PyErr_GivenExceptionMatches(exc_value, PyExc_StopIteration)) { value = Py_NewRef(((PyStopIterationObject *)exc_value)->value); Py_DECREF(sub_iter); Py_DECREF(last_sent_val); Py_DECREF(exc_value); none = Py_None; } else { _PyErr_SetRaisedException(tstate, Py_NewRef(exc_value)); monitor_reraise(tstate, frame, next_instr-1); goto exception_unwind; } STACK_SHRINK(1); stack_pointer[-2] = none; stack_pointer[-1] = value; DISPATCH(); } TARGET(LOAD_ASSERTION_ERROR) { PyObject *value; value = Py_NewRef(PyExc_AssertionError); STACK_GROW(1); stack_pointer[-1] = value; DISPATCH(); } TARGET(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; DISPATCH(); } TARGET(STORE_NAME) { PyObject *v; v = stack_pointer[-1]; PyObject *name = GETITEM(FRAME_CO_NAMES, oparg); PyObject *ns = LOCALS(); int err; if (ns == NULL) { _PyErr_Format(tstate, PyExc_SystemError, "no locals found when storing %R", name); Py_DECREF(v); if (true) goto pop_1_error; } if (PyDict_CheckExact(ns)) err = PyDict_SetItem(ns, name, v); else err = PyObject_SetItem(ns, name, v); Py_DECREF(v); if (err) goto pop_1_error; STACK_SHRINK(1); DISPATCH(); } TARGET(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) { _PyEval_FormatExcCheckArg(tstate, PyExc_NameError, NAME_ERROR_MSG, name); goto error; } DISPATCH(); } TARGET(UNPACK_SEQUENCE) { PREDICTED(UNPACK_SEQUENCE); static_assert(INLINE_CACHE_ENTRIES_UNPACK_SEQUENCE == 1, "incorrect cache size"); PyObject *seq; 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 = _PyEval_UnpackIterable(tstate, seq, oparg, -1, top); Py_DECREF(seq); if (res == 0) goto pop_1_error; STACK_SHRINK(1); STACK_GROW(oparg); next_instr += 1; DISPATCH(); } TARGET(UNPACK_SEQUENCE_TWO_TUPLE) { PyObject *seq; PyObject **values; seq = stack_pointer[-1]; values = stack_pointer - 1; DEOPT_IF(!PyTuple_CheckExact(seq), UNPACK_SEQUENCE); DEOPT_IF(PyTuple_GET_SIZE(seq) != 2, UNPACK_SEQUENCE); assert(oparg == 2); STAT_INC(UNPACK_SEQUENCE, hit); values[0] = Py_NewRef(PyTuple_GET_ITEM(seq, 1)); values[1] = Py_NewRef(PyTuple_GET_ITEM(seq, 0)); Py_DECREF(seq); STACK_SHRINK(1); STACK_GROW(oparg); next_instr += 1; DISPATCH(); } TARGET(UNPACK_SEQUENCE_TUPLE) { PyObject *seq; PyObject **values; seq = stack_pointer[-1]; values = stack_pointer - 1; DEOPT_IF(!PyTuple_CheckExact(seq), UNPACK_SEQUENCE); DEOPT_IF(PyTuple_GET_SIZE(seq) != oparg, UNPACK_SEQUENCE); STAT_INC(UNPACK_SEQUENCE, hit); PyObject **items = _PyTuple_ITEMS(seq); for (int i = oparg; --i >= 0; ) { *values++ = Py_NewRef(items[i]); } Py_DECREF(seq); STACK_SHRINK(1); STACK_GROW(oparg); next_instr += 1; DISPATCH(); } TARGET(UNPACK_SEQUENCE_LIST) { PyObject *seq; PyObject **values; seq = stack_pointer[-1]; values = stack_pointer - 1; DEOPT_IF(!PyList_CheckExact(seq), UNPACK_SEQUENCE); DEOPT_IF(PyList_GET_SIZE(seq) != oparg, UNPACK_SEQUENCE); STAT_INC(UNPACK_SEQUENCE, hit); PyObject **items = _PyList_ITEMS(seq); for (int i = oparg; --i >= 0; ) { *values++ = Py_NewRef(items[i]); } Py_DECREF(seq); STACK_SHRINK(1); STACK_GROW(oparg); next_instr += 1; DISPATCH(); } TARGET(UNPACK_EX) { PyObject *seq; seq = stack_pointer[-1]; int totalargs = 1 + (oparg & 0xFF) + (oparg >> 8); PyObject **top = stack_pointer + totalargs - 1; int res = _PyEval_UnpackIterable(tstate, seq, oparg & 0xFF, oparg >> 8, top); Py_DECREF(seq); if (res == 0) goto pop_1_error; STACK_GROW((oparg & 0xFF) + (oparg >> 8)); DISPATCH(); } TARGET(STORE_ATTR) { PREDICTED(STORE_ATTR); static_assert(INLINE_CACHE_ENTRIES_STORE_ATTR == 4, "incorrect cache size"); PyObject *owner; PyObject *v; owner = stack_pointer[-1]; v = stack_pointer[-2]; #if ENABLE_SPECIALIZATION _PyAttrCache *cache = (_PyAttrCache *)next_instr; if (ADAPTIVE_COUNTER_IS_ZERO(cache->counter)) { PyObject *name = GETITEM(FRAME_CO_NAMES, oparg); next_instr--; _Py_Specialize_StoreAttr(owner, next_instr, name); DISPATCH_SAME_OPARG(); } STAT_INC(STORE_ATTR, deferred); DECREMENT_ADAPTIVE_COUNTER(cache->counter); #endif /* ENABLE_SPECIALIZATION */ PyObject *name = GETITEM(FRAME_CO_NAMES, oparg); int err = PyObject_SetAttr(owner, name, v); Py_DECREF(v); Py_DECREF(owner); if (err) goto pop_2_error; STACK_SHRINK(2); next_instr += 4; DISPATCH(); } TARGET(DELETE_ATTR) { PyObject *owner; owner = stack_pointer[-1]; PyObject *name = GETITEM(FRAME_CO_NAMES, oparg); int err = PyObject_DelAttr(owner, name); Py_DECREF(owner); if (err) goto pop_1_error; STACK_SHRINK(1); DISPATCH(); } TARGET(STORE_GLOBAL) { PyObject *v; v = stack_pointer[-1]; PyObject *name = GETITEM(FRAME_CO_NAMES, oparg); int err = PyDict_SetItem(GLOBALS(), name, v); Py_DECREF(v); if (err) goto pop_1_error; STACK_SHRINK(1); DISPATCH(); } TARGET(DELETE_GLOBAL) { PyObject *name = GETITEM(FRAME_CO_NAMES, oparg); int err; err = PyDict_DelItem(GLOBALS(), name); // Can't use ERROR_IF here. if (err != 0) { if (_PyErr_ExceptionMatches(tstate, PyExc_KeyError)) { _PyEval_FormatExcCheckArg(tstate, PyExc_NameError, NAME_ERROR_MSG, name); } goto error; } DISPATCH(); } TARGET(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; DISPATCH(); } TARGET(LOAD_FROM_DICT_OR_GLOBALS) { PyObject *mod_or_class_dict; PyObject *v; mod_or_class_dict = stack_pointer[-1]; PyObject *name = GETITEM(FRAME_CO_NAMES, oparg); if (PyMapping_GetOptionalItem(mod_or_class_dict, name, &v) < 0) { goto error; } 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) { _PyEval_FormatExcCheckArg( tstate, PyExc_NameError, NAME_ERROR_MSG, name); goto error; } } } Py_DECREF(mod_or_class_dict); stack_pointer[-1] = v; DISPATCH(); } TARGET(LOAD_NAME) { PyObject *v; PyObject *mod_or_class_dict = LOCALS(); if (mod_or_class_dict == NULL) { _PyErr_SetString(tstate, PyExc_SystemError, "no locals found"); if (true) goto error; } PyObject *name = GETITEM(FRAME_CO_NAMES, oparg); if (PyMapping_GetOptionalItem(mod_or_class_dict, name, &v) < 0) { goto error; } 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) { _PyEval_FormatExcCheckArg( tstate, PyExc_NameError, NAME_ERROR_MSG, name); goto error; } } } STACK_GROW(1); stack_pointer[-1] = v; DISPATCH(); } TARGET(LOAD_GLOBAL) { PREDICTED(LOAD_GLOBAL); static_assert(INLINE_CACHE_ENTRIES_LOAD_GLOBAL == 4, "incorrect cache size"); PyObject *res; PyObject *null = NULL; #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())) { res = _PyDict_LoadGlobal((PyDictObject *)GLOBALS(), (PyDictObject *)BUILTINS(), name); if (res == NULL) { if (!_PyErr_Occurred(tstate)) { /* _PyDict_LoadGlobal() returns NULL without raising * an exception if the key doesn't exist */ _PyEval_FormatExcCheckArg(tstate, PyExc_NameError, NAME_ERROR_MSG, name); } if (true) goto error; } Py_INCREF(res); } else { /* Slow-path if globals or builtins is not a dict */ /* namespace 1: globals */ if (PyMapping_GetOptionalItem(GLOBALS(), name, &res) < 0) goto error; if (res == NULL) { /* namespace 2: builtins */ if (PyMapping_GetOptionalItem(BUILTINS(), name, &res) < 0) goto error; if (res == NULL) { _PyEval_FormatExcCheckArg( tstate, PyExc_NameError, NAME_ERROR_MSG, name); if (true) goto error; } } } null = NULL; STACK_GROW(1); STACK_GROW(((oparg & 1) ? 1 : 0)); stack_pointer[-1 - (oparg & 1 ? 1 : 0)] = res; if (oparg & 1) { stack_pointer[-(oparg & 1 ? 1 : 0)] = null; } next_instr += 4; DISPATCH(); } TARGET(LOAD_GLOBAL_MODULE) { PyObject *res; PyObject *null = NULL; // _GUARD_GLOBALS_VERSION { uint16_t version = read_u16(&next_instr[1].cache); PyDictObject *dict = (PyDictObject *)GLOBALS(); DEOPT_IF(!PyDict_CheckExact(dict), LOAD_GLOBAL); DEOPT_IF(dict->ma_keys->dk_version != version, LOAD_GLOBAL); assert(DK_IS_UNICODE(dict->ma_keys)); } // _LOAD_GLOBAL_MODULE { uint16_t index = read_u16(&next_instr[3].cache); PyDictObject *dict = (PyDictObject *)GLOBALS(); PyDictUnicodeEntry *entries = DK_UNICODE_ENTRIES(dict->ma_keys); res = entries[index].me_value; DEOPT_IF(res == NULL, LOAD_GLOBAL); Py_INCREF(res); STAT_INC(LOAD_GLOBAL, hit); null = NULL; } STACK_GROW(1); STACK_GROW(((oparg & 1) ? 1 : 0)); stack_pointer[-1 - (oparg & 1 ? 1 : 0)] = res; if (oparg & 1) { stack_pointer[-(oparg & 1 ? 1 : 0)] = null; } next_instr += 4; DISPATCH(); } TARGET(LOAD_GLOBAL_BUILTIN) { PyObject *res; PyObject *null = NULL; // _GUARD_GLOBALS_VERSION { uint16_t version = read_u16(&next_instr[1].cache); PyDictObject *dict = (PyDictObject *)GLOBALS(); DEOPT_IF(!PyDict_CheckExact(dict), LOAD_GLOBAL); DEOPT_IF(dict->ma_keys->dk_version != version, LOAD_GLOBAL); assert(DK_IS_UNICODE(dict->ma_keys)); } // _GUARD_BUILTINS_VERSION { uint16_t version = read_u16(&next_instr[2].cache); PyDictObject *dict = (PyDictObject *)BUILTINS(); DEOPT_IF(!PyDict_CheckExact(dict), LOAD_GLOBAL); DEOPT_IF(dict->ma_keys->dk_version != version, LOAD_GLOBAL); assert(DK_IS_UNICODE(dict->ma_keys)); } // _LOAD_GLOBAL_BUILTINS { uint16_t index = read_u16(&next_instr[3].cache); PyDictObject *bdict = (PyDictObject *)BUILTINS(); PyDictUnicodeEntry *entries = DK_UNICODE_ENTRIES(bdict->ma_keys); res = entries[index].me_value; DEOPT_IF(res == NULL, LOAD_GLOBAL); Py_INCREF(res); STAT_INC(LOAD_GLOBAL, hit); null = NULL; } STACK_GROW(1); STACK_GROW(((oparg & 1) ? 1 : 0)); stack_pointer[-1 - (oparg & 1 ? 1 : 0)] = res; if (oparg & 1) { stack_pointer[-(oparg & 1 ? 1 : 0)] = null; } next_instr += 4; DISPATCH(); } TARGET(DELETE_FAST) { PyObject *v = GETLOCAL(oparg); if (v == NULL) goto unbound_local_error; SETLOCAL(oparg, NULL); DISPATCH(); } TARGET(MAKE_CELL) { // "initial" is probably NULL but not if it's an arg (or set // via PyFrame_LocalsToFast() before MAKE_CELL has run). PyObject *initial = GETLOCAL(oparg); PyObject *cell = PyCell_New(initial); if (cell == NULL) { goto resume_with_error; } SETLOCAL(oparg, cell); DISPATCH(); } TARGET(DELETE_DEREF) { PyObject *cell = GETLOCAL(oparg); PyObject *oldobj = PyCell_GET(cell); // Can't use ERROR_IF here. // Fortunately we don't need its superpower. if (oldobj == NULL) { _PyEval_FormatExcUnbound(tstate, _PyFrame_GetCode(frame), oparg); goto error; } PyCell_SET(cell, NULL); Py_DECREF(oldobj); DISPATCH(); } TARGET(LOAD_FROM_DICT_OR_DEREF) { PyObject *class_dict; PyObject *value; class_dict = stack_pointer[-1]; PyObject *name; assert(class_dict); assert(oparg >= 0 && oparg < _PyFrame_GetCode(frame)->co_nlocalsplus); name = PyTuple_GET_ITEM(_PyFrame_GetCode(frame)->co_localsplusnames, oparg); if (PyMapping_GetOptionalItem(class_dict, name, &value) < 0) { Py_DECREF(class_dict); goto error; } Py_DECREF(class_dict); if (!value) { PyObject *cell = GETLOCAL(oparg); value = PyCell_GET(cell); if (value == NULL) { _PyEval_FormatExcUnbound(tstate, _PyFrame_GetCode(frame), oparg); goto error; } Py_INCREF(value); } stack_pointer[-1] = value; DISPATCH(); } TARGET(LOAD_DEREF) { PyObject *value; PyObject *cell = GETLOCAL(oparg); value = PyCell_GET(cell); if (value == NULL) { _PyEval_FormatExcUnbound(tstate, _PyFrame_GetCode(frame), oparg); if (true) goto error; } Py_INCREF(value); STACK_GROW(1); stack_pointer[-1] = value; DISPATCH(); } TARGET(STORE_DEREF) { PyObject *v; v = stack_pointer[-1]; PyObject *cell = GETLOCAL(oparg); PyObject *oldobj = PyCell_GET(cell); PyCell_SET(cell, v); Py_XDECREF(oldobj); STACK_SHRINK(1); DISPATCH(); } TARGET(COPY_FREE_VARS) { /* Copy closure variables to free variables */ PyCodeObject *co = _PyFrame_GetCode(frame); assert(PyFunction_Check(frame->f_funcobj)); PyObject *closure = ((PyFunctionObject *)frame->f_funcobj)->func_closure; assert(oparg == co->co_nfreevars); int offset = co->co_nlocalsplus - oparg; for (int i = 0; i < oparg; ++i) { PyObject *o = PyTuple_GET_ITEM(closure, i); frame->localsplus[offset + i] = Py_NewRef(o); } DISPATCH(); } TARGET(BUILD_STRING) { PyObject **pieces; PyObject *str; pieces = stack_pointer - oparg; str = _PyUnicode_JoinArray(&_Py_STR(empty), pieces, oparg); for (int _i = oparg; --_i >= 0;) { Py_DECREF(pieces[_i]); } if (str == NULL) { STACK_SHRINK(oparg); goto error; } STACK_SHRINK(oparg); STACK_GROW(1); stack_pointer[-1] = str; DISPATCH(); } TARGET(BUILD_TUPLE) { PyObject **values; PyObject *tup; values = stack_pointer - oparg; tup = _PyTuple_FromArraySteal(values, oparg); if (tup == NULL) { STACK_SHRINK(oparg); goto error; } STACK_SHRINK(oparg); STACK_GROW(1); stack_pointer[-1] = tup; DISPATCH(); } TARGET(BUILD_LIST) { PyObject **values; PyObject *list; values = stack_pointer - oparg; list = _PyList_FromArraySteal(values, oparg); if (list == NULL) { STACK_SHRINK(oparg); goto error; } STACK_SHRINK(oparg); STACK_GROW(1); stack_pointer[-1] = list; DISPATCH(); } TARGET(LIST_EXTEND) { PyObject *iterable; PyObject *list; iterable = stack_pointer[-1]; list = stack_pointer[-2 - (oparg-1)]; PyObject *none_val = _PyList_Extend((PyListObject *)list, iterable); if (none_val == NULL) { if (_PyErr_ExceptionMatches(tstate, PyExc_TypeError) && (Py_TYPE(iterable)->tp_iter == NULL && !PySequence_Check(iterable))) { _PyErr_Clear(tstate); _PyErr_Format(tstate, PyExc_TypeError, "Value after * must be an iterable, not %.200s", Py_TYPE(iterable)->tp_name); } Py_DECREF(iterable); if (true) goto pop_1_error; } assert(Py_IsNone(none_val)); Py_DECREF(iterable); STACK_SHRINK(1); DISPATCH(); } TARGET(SET_UPDATE) { PyObject *iterable; PyObject *set; iterable = stack_pointer[-1]; set = stack_pointer[-2 - (oparg-1)]; int err = _PySet_Update(set, iterable); Py_DECREF(iterable); if (err < 0) goto pop_1_error; STACK_SHRINK(1); DISPATCH(); } TARGET(BUILD_SET) { PyObject **values; PyObject *set; values = stack_pointer - oparg; 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; DISPATCH(); } TARGET(BUILD_MAP) { PyObject **values; PyObject *map; values = stack_pointer - oparg*2; map = _PyDict_FromItems( values, 2, values+1, 2, oparg); for (int _i = oparg*2; --_i >= 0;) { Py_DECREF(values[_i]); } if (map == NULL) { STACK_SHRINK(oparg*2); goto error; } STACK_SHRINK(oparg*2); STACK_GROW(1); stack_pointer[-1] = map; DISPATCH(); } TARGET(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); } } DISPATCH(); } TARGET(BUILD_CONST_KEY_MAP) { PyObject *keys; PyObject **values; PyObject *map; keys = stack_pointer[-1]; values = stack_pointer - 1 - oparg; if (!PyTuple_CheckExact(keys) || PyTuple_GET_SIZE(keys) != (Py_ssize_t)oparg) { _PyErr_SetString(tstate, PyExc_SystemError, "bad BUILD_CONST_KEY_MAP keys argument"); goto error; // 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; DISPATCH(); } TARGET(DICT_UPDATE) { PyObject *update; PyObject *dict; update = stack_pointer[-1]; dict = stack_pointer[-2 - (oparg - 1)]; if (PyDict_Update(dict, update) < 0) { if (_PyErr_ExceptionMatches(tstate, PyExc_AttributeError)) { _PyErr_Format(tstate, PyExc_TypeError, "'%.200s' object is not a mapping", Py_TYPE(update)->tp_name); } Py_DECREF(update); if (true) goto pop_1_error; } Py_DECREF(update); STACK_SHRINK(1); DISPATCH(); } TARGET(DICT_MERGE) { PyObject *update; PyObject *dict; PyObject *callable; update = stack_pointer[-1]; dict = stack_pointer[-2 - (oparg - 1)]; callable = stack_pointer[-5 - (oparg - 1)]; if (_PyDict_MergeEx(dict, update, 2) < 0) { _PyEval_FormatKwargsError(tstate, callable, update); Py_DECREF(update); if (true) goto pop_1_error; } Py_DECREF(update); STACK_SHRINK(1); DISPATCH(); } TARGET(MAP_ADD) { PyObject *value; PyObject *key; PyObject *dict; value = stack_pointer[-1]; key = stack_pointer[-2]; dict = stack_pointer[-3 - (oparg - 1)]; assert(PyDict_CheckExact(dict)); /* dict[key] = value */ // Do not DECREF INPUTS because the function steals the references if (_PyDict_SetItem_Take2((PyDictObject *)dict, key, value) != 0) goto pop_2_error; STACK_SHRINK(2); DISPATCH(); } TARGET(INSTRUMENTED_LOAD_SUPER_ATTR) { _PySuperAttrCache *cache = (_PySuperAttrCache *)next_instr; // cancel out the decrement that will happen in LOAD_SUPER_ATTR; we // don't want to specialize instrumented instructions INCREMENT_ADAPTIVE_COUNTER(cache->counter); GO_TO_INSTRUCTION(LOAD_SUPER_ATTR); } TARGET(LOAD_SUPER_ATTR) { PREDICTED(LOAD_SUPER_ATTR); static_assert(INLINE_CACHE_ENTRIES_LOAD_SUPER_ATTR == 1, "incorrect cache size"); PyObject *self; PyObject *class; PyObject *global_super; PyObject *attr; PyObject *null = NULL; self = stack_pointer[-1]; class = stack_pointer[-2]; global_super = stack_pointer[-3]; PyObject *name = GETITEM(FRAME_CO_NAMES, oparg >> 2); int load_method = oparg & 1; #if ENABLE_SPECIALIZATION _PySuperAttrCache *cache = (_PySuperAttrCache *)next_instr; if (ADAPTIVE_COUNTER_IS_ZERO(cache->counter)) { next_instr--; _Py_Specialize_LoadSuperAttr(global_super, class, next_instr, load_method); DISPATCH_SAME_OPARG(); } STAT_INC(LOAD_SUPER_ATTR, deferred); DECREMENT_ADAPTIVE_COUNTER(cache->counter); #endif /* ENABLE_SPECIALIZATION */ if (opcode == INSTRUMENTED_LOAD_SUPER_ATTR) { PyObject *arg = oparg & 2 ? class : &_PyInstrumentation_MISSING; int err = _Py_call_instrumentation_2args( tstate, PY_MONITORING_EVENT_CALL, frame, next_instr-1, global_super, arg); if (err) goto pop_3_error; } // we make no attempt to optimize here; specializations should // handle any case whose performance we care about PyObject *stack[] = {class, self}; PyObject *super = PyObject_Vectorcall(global_super, stack, oparg & 2, NULL); if (opcode == INSTRUMENTED_LOAD_SUPER_ATTR) { PyObject *arg = oparg & 2 ? class : &_PyInstrumentation_MISSING; if (super == NULL) { _Py_call_instrumentation_exc2( tstate, PY_MONITORING_EVENT_C_RAISE, frame, next_instr-1, global_super, arg); } else { int err = _Py_call_instrumentation_2args( tstate, PY_MONITORING_EVENT_C_RETURN, frame, next_instr-1, global_super, arg); if (err < 0) { Py_CLEAR(super); } } } Py_DECREF(global_super); Py_DECREF(class); Py_DECREF(self); if (super == NULL) goto pop_3_error; attr = PyObject_GetAttr(super, name); Py_DECREF(super); if (attr == NULL) goto pop_3_error; null = NULL; STACK_SHRINK(2); STACK_GROW(((oparg & 1) ? 1 : 0)); stack_pointer[-1 - (oparg & 1 ? 1 : 0)] = attr; if (oparg & 1) { stack_pointer[-(oparg & 1 ? 1 : 0)] = null; } next_instr += 1; DISPATCH(); } TARGET(LOAD_SUPER_ATTR_ATTR) { PyObject *self; PyObject *class; PyObject *global_super; PyObject *attr; self = stack_pointer[-1]; class = stack_pointer[-2]; global_super = stack_pointer[-3]; assert(!(oparg & 1)); DEOPT_IF(global_super != (PyObject *)&PySuper_Type, LOAD_SUPER_ATTR); DEOPT_IF(!PyType_Check(class), LOAD_SUPER_ATTR); STAT_INC(LOAD_SUPER_ATTR, hit); PyObject *name = GETITEM(FRAME_CO_NAMES, oparg >> 2); attr = _PySuper_Lookup((PyTypeObject *)class, self, name, NULL); Py_DECREF(global_super); Py_DECREF(class); Py_DECREF(self); if (attr == NULL) goto pop_3_error; STACK_SHRINK(2); stack_pointer[-1] = attr; next_instr += 1; DISPATCH(); } TARGET(LOAD_SUPER_ATTR_METHOD) { PyObject *self; PyObject *class; PyObject *global_super; PyObject *attr; PyObject *self_or_null; self = stack_pointer[-1]; class = stack_pointer[-2]; global_super = stack_pointer[-3]; assert(oparg & 1); DEOPT_IF(global_super != (PyObject *)&PySuper_Type, LOAD_SUPER_ATTR); DEOPT_IF(!PyType_Check(class), LOAD_SUPER_ATTR); STAT_INC(LOAD_SUPER_ATTR, hit); PyObject *name = GETITEM(FRAME_CO_NAMES, oparg >> 2); PyTypeObject *cls = (PyTypeObject *)class; int method_found = 0; attr = _PySuper_Lookup(cls, self, name, Py_TYPE(self)->tp_getattro == PyObject_GenericGetAttr ? &method_found : NULL); Py_DECREF(global_super); Py_DECREF(class); if (attr == NULL) { Py_DECREF(self); if (true) goto pop_3_error; } if (method_found) { self_or_null = self; // transfer ownership } else { Py_DECREF(self); self_or_null = NULL; } STACK_SHRINK(1); stack_pointer[-2] = attr; stack_pointer[-1] = self_or_null; next_instr += 1; DISPATCH(); } TARGET(LOAD_ATTR) { PREDICTED(LOAD_ATTR); static_assert(INLINE_CACHE_ENTRIES_LOAD_ATTR == 9, "incorrect cache size"); PyObject *owner; PyObject *attr; PyObject *self_or_null = NULL; owner = stack_pointer[-1]; #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. */ attr = NULL; if (_PyObject_GetMethod(owner, name, &attr)) { /* We can bypass temporary bound method object. meth is unbound method and obj is self. meth | self | arg1 | ... | argN */ assert(attr != NULL); // No errors on this branch self_or_null = owner; // Transfer ownership } else { /* meth is not an unbound method (but a regular attr, or something was returned by a descriptor protocol). Set the second element of the stack to NULL, to signal CALL that it's not a method call. NULL | meth | arg1 | ... | argN */ Py_DECREF(owner); if (attr == NULL) goto pop_1_error; self_or_null = NULL; } } else { /* Classic, pushes one value. */ attr = PyObject_GetAttr(owner, name); Py_DECREF(owner); if (attr == NULL) goto pop_1_error; } STACK_GROW(((oparg & 1) ? 1 : 0)); stack_pointer[-1 - (oparg & 1 ? 1 : 0)] = attr; if (oparg & 1) { stack_pointer[-(oparg & 1 ? 1 : 0)] = self_or_null; } next_instr += 9; DISPATCH(); } TARGET(LOAD_ATTR_INSTANCE_VALUE) { PyObject *owner; PyObject *attr; PyObject *null = NULL; // _GUARD_TYPE_VERSION owner = stack_pointer[-1]; { uint32_t type_version = read_u32(&next_instr[1].cache); PyTypeObject *tp = Py_TYPE(owner); assert(type_version != 0); DEOPT_IF(tp->tp_version_tag != type_version, LOAD_ATTR); } // _CHECK_MANAGED_OBJECT_HAS_VALUES { assert(Py_TYPE(owner)->tp_dictoffset < 0); assert(Py_TYPE(owner)->tp_flags & Py_TPFLAGS_MANAGED_DICT); PyDictOrValues *dorv = _PyObject_DictOrValuesPointer(owner); DEOPT_IF(!_PyDictOrValues_IsValues(*dorv) && !_PyObject_MakeInstanceAttributesFromDict(owner, dorv), LOAD_ATTR); } // _LOAD_ATTR_INSTANCE_VALUE { uint16_t index = read_u16(&next_instr[3].cache); PyDictOrValues dorv = *_PyObject_DictOrValuesPointer(owner); attr = _PyDictOrValues_GetValues(dorv)->values[index]; DEOPT_IF(attr == NULL, LOAD_ATTR); STAT_INC(LOAD_ATTR, hit); Py_INCREF(attr); null = NULL; Py_DECREF(owner); } STACK_GROW(((oparg & 1) ? 1 : 0)); stack_pointer[-1 - (oparg & 1 ? 1 : 0)] = attr; if (oparg & 1) { stack_pointer[-(oparg & 1 ? 1 : 0)] = null; } next_instr += 9; DISPATCH(); } TARGET(LOAD_ATTR_MODULE) { PyObject *owner; PyObject *attr; PyObject *null = NULL; // _CHECK_ATTR_MODULE owner = stack_pointer[-1]; { uint32_t type_version = read_u32(&next_instr[1].cache); DEOPT_IF(!PyModule_CheckExact(owner), LOAD_ATTR); PyDictObject *dict = (PyDictObject *)((PyModuleObject *)owner)->md_dict; assert(dict != NULL); DEOPT_IF(dict->ma_keys->dk_version != type_version, LOAD_ATTR); } // _LOAD_ATTR_MODULE { uint16_t index = read_u16(&next_instr[3].cache); PyDictObject *dict = (PyDictObject *)((PyModuleObject *)owner)->md_dict; assert(dict->ma_keys->dk_kind == DICT_KEYS_UNICODE); assert(index < dict->ma_keys->dk_nentries); PyDictUnicodeEntry *ep = DK_UNICODE_ENTRIES(dict->ma_keys) + index; attr = ep->me_value; DEOPT_IF(attr == NULL, LOAD_ATTR); STAT_INC(LOAD_ATTR, hit); Py_INCREF(attr); null = NULL; Py_DECREF(owner); } STACK_GROW(((oparg & 1) ? 1 : 0)); stack_pointer[-1 - (oparg & 1 ? 1 : 0)] = attr; if (oparg & 1) { stack_pointer[-(oparg & 1 ? 1 : 0)] = null; } next_instr += 9; DISPATCH(); } TARGET(LOAD_ATTR_WITH_HINT) { PyObject *owner; PyObject *attr; PyObject *null = NULL; // _GUARD_TYPE_VERSION owner = stack_pointer[-1]; { uint32_t type_version = read_u32(&next_instr[1].cache); PyTypeObject *tp = Py_TYPE(owner); assert(type_version != 0); DEOPT_IF(tp->tp_version_tag != type_version, LOAD_ATTR); } // _CHECK_ATTR_WITH_HINT { assert(Py_TYPE(owner)->tp_flags & Py_TPFLAGS_MANAGED_DICT); PyDictOrValues dorv = *_PyObject_DictOrValuesPointer(owner); DEOPT_IF(_PyDictOrValues_IsValues(dorv), LOAD_ATTR); PyDictObject *dict = (PyDictObject *)_PyDictOrValues_GetDict(dorv); DEOPT_IF(dict == NULL, LOAD_ATTR); assert(PyDict_CheckExact((PyObject *)dict)); } // _LOAD_ATTR_WITH_HINT { uint16_t hint = read_u16(&next_instr[3].cache); PyDictOrValues dorv = *_PyObject_DictOrValuesPointer(owner); PyDictObject *dict = (PyDictObject *)_PyDictOrValues_GetDict(dorv); DEOPT_IF(hint >= (size_t)dict->ma_keys->dk_nentries, LOAD_ATTR); PyObject *name = GETITEM(FRAME_CO_NAMES, oparg>>1); if (DK_IS_UNICODE(dict->ma_keys)) { PyDictUnicodeEntry *ep = DK_UNICODE_ENTRIES(dict->ma_keys) + hint; DEOPT_IF(ep->me_key != name, LOAD_ATTR); attr = ep->me_value; } else { PyDictKeyEntry *ep = DK_ENTRIES(dict->ma_keys) + hint; DEOPT_IF(ep->me_key != name, LOAD_ATTR); attr = ep->me_value; } DEOPT_IF(attr == NULL, LOAD_ATTR); STAT_INC(LOAD_ATTR, hit); Py_INCREF(attr); null = NULL; Py_DECREF(owner); } STACK_GROW(((oparg & 1) ? 1 : 0)); stack_pointer[-1 - (oparg & 1 ? 1 : 0)] = attr; if (oparg & 1) { stack_pointer[-(oparg & 1 ? 1 : 0)] = null; } next_instr += 9; DISPATCH(); } TARGET(LOAD_ATTR_SLOT) { PyObject *owner; PyObject *attr; PyObject *null = NULL; // _GUARD_TYPE_VERSION owner = stack_pointer[-1]; { uint32_t type_version = read_u32(&next_instr[1].cache); PyTypeObject *tp = Py_TYPE(owner); assert(type_version != 0); DEOPT_IF(tp->tp_version_tag != type_version, LOAD_ATTR); } // _LOAD_ATTR_SLOT { uint16_t index = read_u16(&next_instr[3].cache); char *addr = (char *)owner + index; attr = *(PyObject **)addr; DEOPT_IF(attr == NULL, LOAD_ATTR); STAT_INC(LOAD_ATTR, hit); Py_INCREF(attr); null = NULL; Py_DECREF(owner); } STACK_GROW(((oparg & 1) ? 1 : 0)); stack_pointer[-1 - (oparg & 1 ? 1 : 0)] = attr; if (oparg & 1) { stack_pointer[-(oparg & 1 ? 1 : 0)] = null; } next_instr += 9; DISPATCH(); } TARGET(LOAD_ATTR_CLASS) { PyObject *owner; PyObject *attr; PyObject *null = NULL; // _CHECK_ATTR_CLASS owner = stack_pointer[-1]; { uint32_t type_version = read_u32(&next_instr[1].cache); DEOPT_IF(!PyType_Check(owner), LOAD_ATTR); assert(type_version != 0); DEOPT_IF(((PyTypeObject *)owner)->tp_version_tag != type_version, LOAD_ATTR); } // _LOAD_ATTR_CLASS { PyObject *descr = read_obj(&next_instr[5].cache); STAT_INC(LOAD_ATTR, hit); assert(descr != NULL); attr = Py_NewRef(descr); null = NULL; Py_DECREF(owner); } STACK_GROW(((oparg & 1) ? 1 : 0)); stack_pointer[-1 - (oparg & 1 ? 1 : 0)] = attr; if (oparg & 1) { stack_pointer[-(oparg & 1 ? 1 : 0)] = null; } next_instr += 9; DISPATCH(); } TARGET(LOAD_ATTR_PROPERTY) { PyObject *owner; owner = stack_pointer[-1]; uint32_t type_version = read_u32(&next_instr[1].cache); uint32_t func_version = read_u32(&next_instr[3].cache); PyObject *fget = read_obj(&next_instr[5].cache); assert((oparg & 1) == 0); DEOPT_IF(tstate->interp->eval_frame, LOAD_ATTR); PyTypeObject *cls = Py_TYPE(owner); DEOPT_IF(cls->tp_version_tag != type_version, LOAD_ATTR); assert(type_version != 0); assert(Py_IS_TYPE(fget, &PyFunction_Type)); PyFunctionObject *f = (PyFunctionObject *)fget; assert(func_version != 0); DEOPT_IF(f->func_version != func_version, LOAD_ATTR); PyCodeObject *code = (PyCodeObject *)f->func_code; assert(code->co_argcount == 1); DEOPT_IF(!_PyThreadState_HasStackSpace(tstate, code->co_framesize), LOAD_ATTR); STAT_INC(LOAD_ATTR, hit); Py_INCREF(fget); _PyInterpreterFrame *new_frame = _PyFrame_PushUnchecked(tstate, f, 1); // Manipulate stack directly because we exit with DISPATCH_INLINED(). STACK_SHRINK(1); new_frame->localsplus[0] = owner; SKIP_OVER(INLINE_CACHE_ENTRIES_LOAD_ATTR); frame->return_offset = 0; DISPATCH_INLINED(new_frame); } TARGET(LOAD_ATTR_GETATTRIBUTE_OVERRIDDEN) { PyObject *owner; owner = stack_pointer[-1]; uint32_t type_version = read_u32(&next_instr[1].cache); uint32_t func_version = read_u32(&next_instr[3].cache); PyObject *getattribute = read_obj(&next_instr[5].cache); assert((oparg & 1) == 0); DEOPT_IF(tstate->interp->eval_frame, LOAD_ATTR); PyTypeObject *cls = Py_TYPE(owner); DEOPT_IF(cls->tp_version_tag != type_version, LOAD_ATTR); assert(type_version != 0); assert(Py_IS_TYPE(getattribute, &PyFunction_Type)); PyFunctionObject *f = (PyFunctionObject *)getattribute; assert(func_version != 0); DEOPT_IF(f->func_version != func_version, LOAD_ATTR); PyCodeObject *code = (PyCodeObject *)f->func_code; assert(code->co_argcount == 2); DEOPT_IF(!_PyThreadState_HasStackSpace(tstate, code->co_framesize), LOAD_ATTR); STAT_INC(LOAD_ATTR, hit); PyObject *name = GETITEM(FRAME_CO_NAMES, oparg >> 1); Py_INCREF(f); _PyInterpreterFrame *new_frame = _PyFrame_PushUnchecked(tstate, f, 2); // Manipulate stack directly because we exit with DISPATCH_INLINED(). STACK_SHRINK(1); new_frame->localsplus[0] = owner; new_frame->localsplus[1] = Py_NewRef(name); SKIP_OVER(INLINE_CACHE_ENTRIES_LOAD_ATTR); frame->return_offset = 0; DISPATCH_INLINED(new_frame); } TARGET(STORE_ATTR_INSTANCE_VALUE) { PyObject *owner; PyObject *value; // _GUARD_TYPE_VERSION owner = stack_pointer[-1]; { uint32_t type_version = read_u32(&next_instr[1].cache); PyTypeObject *tp = Py_TYPE(owner); assert(type_version != 0); DEOPT_IF(tp->tp_version_tag != type_version, STORE_ATTR); } // _GUARD_DORV_VALUES { assert(Py_TYPE(owner)->tp_flags & Py_TPFLAGS_MANAGED_DICT); PyDictOrValues dorv = *_PyObject_DictOrValuesPointer(owner); DEOPT_IF(!_PyDictOrValues_IsValues(dorv), STORE_ATTR); } // _STORE_ATTR_INSTANCE_VALUE value = stack_pointer[-2]; { uint16_t index = read_u16(&next_instr[3].cache); PyDictOrValues dorv = *_PyObject_DictOrValuesPointer(owner); STAT_INC(STORE_ATTR, hit); PyDictValues *values = _PyDictOrValues_GetValues(dorv); PyObject *old_value = values->values[index]; values->values[index] = value; if (old_value == NULL) { _PyDictValues_AddToInsertionOrder(values, index); } else { Py_DECREF(old_value); } Py_DECREF(owner); } STACK_SHRINK(2); next_instr += 4; DISPATCH(); } TARGET(STORE_ATTR_WITH_HINT) { PyObject *owner; PyObject *value; owner = stack_pointer[-1]; value = stack_pointer[-2]; uint32_t type_version = read_u32(&next_instr[1].cache); uint16_t hint = read_u16(&next_instr[3].cache); PyTypeObject *tp = Py_TYPE(owner); assert(type_version != 0); DEOPT_IF(tp->tp_version_tag != type_version, STORE_ATTR); assert(tp->tp_flags & Py_TPFLAGS_MANAGED_DICT); PyDictOrValues dorv = *_PyObject_DictOrValuesPointer(owner); DEOPT_IF(_PyDictOrValues_IsValues(dorv), STORE_ATTR); PyDictObject *dict = (PyDictObject *)_PyDictOrValues_GetDict(dorv); DEOPT_IF(dict == NULL, STORE_ATTR); assert(PyDict_CheckExact((PyObject *)dict)); PyObject *name = GETITEM(FRAME_CO_NAMES, oparg); DEOPT_IF(hint >= (size_t)dict->ma_keys->dk_nentries, STORE_ATTR); PyObject *old_value; uint64_t new_version; if (DK_IS_UNICODE(dict->ma_keys)) { PyDictUnicodeEntry *ep = DK_UNICODE_ENTRIES(dict->ma_keys) + hint; DEOPT_IF(ep->me_key != name, STORE_ATTR); old_value = ep->me_value; DEOPT_IF(old_value == NULL, STORE_ATTR); new_version = _PyDict_NotifyEvent(tstate->interp, PyDict_EVENT_MODIFIED, dict, name, value); ep->me_value = value; } else { PyDictKeyEntry *ep = DK_ENTRIES(dict->ma_keys) + hint; DEOPT_IF(ep->me_key != name, STORE_ATTR); old_value = ep->me_value; DEOPT_IF(old_value == NULL, STORE_ATTR); new_version = _PyDict_NotifyEvent(tstate->interp, PyDict_EVENT_MODIFIED, dict, name, value); ep->me_value = value; } Py_DECREF(old_value); STAT_INC(STORE_ATTR, hit); /* Ensure dict is GC tracked if it needs to be */ if (!_PyObject_GC_IS_TRACKED(dict) && _PyObject_GC_MAY_BE_TRACKED(value)) { _PyObject_GC_TRACK(dict); } /* PEP 509 */ dict->ma_version_tag = new_version; Py_DECREF(owner); STACK_SHRINK(2); next_instr += 4; DISPATCH(); } TARGET(STORE_ATTR_SLOT) { PyObject *owner; PyObject *value; // _GUARD_TYPE_VERSION owner = stack_pointer[-1]; { uint32_t type_version = read_u32(&next_instr[1].cache); PyTypeObject *tp = Py_TYPE(owner); assert(type_version != 0); DEOPT_IF(tp->tp_version_tag != type_version, STORE_ATTR); } // _STORE_ATTR_SLOT value = stack_pointer[-2]; { uint16_t index = read_u16(&next_instr[3].cache); char *addr = (char *)owner + index; STAT_INC(STORE_ATTR, hit); PyObject *old_value = *(PyObject **)addr; *(PyObject **)addr = value; Py_XDECREF(old_value); Py_DECREF(owner); } STACK_SHRINK(2); next_instr += 4; DISPATCH(); } TARGET(COMPARE_OP) { PREDICTED(COMPARE_OP); static_assert(INLINE_CACHE_ENTRIES_COMPARE_OP == 1, "incorrect cache size"); PyObject *right; PyObject *left; PyObject *res; right = stack_pointer[-1]; left = stack_pointer[-2]; #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; next_instr += 1; DISPATCH(); } TARGET(COMPARE_OP_FLOAT) { PyObject *right; PyObject *left; PyObject *res; right = stack_pointer[-1]; left = stack_pointer[-2]; DEOPT_IF(!PyFloat_CheckExact(left), COMPARE_OP); DEOPT_IF(!PyFloat_CheckExact(right), COMPARE_OP); STAT_INC(COMPARE_OP, hit); double dleft = PyFloat_AS_DOUBLE(left); double dright = PyFloat_AS_DOUBLE(right); // 1 if NaN, 2 if <, 4 if >, 8 if ==; this matches low four bits of the oparg int sign_ish = COMPARISON_BIT(dleft, dright); _Py_DECREF_SPECIALIZED(left, _PyFloat_ExactDealloc); _Py_DECREF_SPECIALIZED(right, _PyFloat_ExactDealloc); res = (sign_ish & oparg) ? Py_True : Py_False; // It's always a bool, so we don't care about oparg & 16. STACK_SHRINK(1); stack_pointer[-1] = res; next_instr += 1; DISPATCH(); } TARGET(COMPARE_OP_INT) { PyObject *right; PyObject *left; PyObject *res; right = stack_pointer[-1]; left = stack_pointer[-2]; DEOPT_IF(!PyLong_CheckExact(left), COMPARE_OP); DEOPT_IF(!PyLong_CheckExact(right), COMPARE_OP); DEOPT_IF(!_PyLong_IsCompact((PyLongObject *)left), COMPARE_OP); DEOPT_IF(!_PyLong_IsCompact((PyLongObject *)right), COMPARE_OP); STAT_INC(COMPARE_OP, hit); assert(_PyLong_DigitCount((PyLongObject *)left) <= 1 && _PyLong_DigitCount((PyLongObject *)right) <= 1); Py_ssize_t ileft = _PyLong_CompactValue((PyLongObject *)left); Py_ssize_t iright = _PyLong_CompactValue((PyLongObject *)right); // 2 if <, 4 if >, 8 if ==; this matches the low 4 bits of the oparg int sign_ish = COMPARISON_BIT(ileft, iright); _Py_DECREF_SPECIALIZED(left, (destructor)PyObject_Free); _Py_DECREF_SPECIALIZED(right, (destructor)PyObject_Free); res = (sign_ish & oparg) ? Py_True : Py_False; // It's always a bool, so we don't care about oparg & 16. STACK_SHRINK(1); stack_pointer[-1] = res; next_instr += 1; DISPATCH(); } TARGET(COMPARE_OP_STR) { PyObject *right; PyObject *left; PyObject *res; right = stack_pointer[-1]; left = stack_pointer[-2]; DEOPT_IF(!PyUnicode_CheckExact(left), COMPARE_OP); DEOPT_IF(!PyUnicode_CheckExact(right), COMPARE_OP); STAT_INC(COMPARE_OP, hit); int eq = _PyUnicode_Equal(left, right); assert((oparg >> 5) == Py_EQ || (oparg >> 5) == Py_NE); _Py_DECREF_SPECIALIZED(left, _PyUnicode_ExactDealloc); _Py_DECREF_SPECIALIZED(right, _PyUnicode_ExactDealloc); assert(eq == 0 || eq == 1); assert((oparg & 0xf) == COMPARISON_NOT_EQUALS || (oparg & 0xf) == COMPARISON_EQUALS); assert(COMPARISON_NOT_EQUALS + 1 == COMPARISON_EQUALS); res = ((COMPARISON_NOT_EQUALS + eq) & oparg) ? Py_True : Py_False; // It's always a bool, so we don't care about oparg & 16. STACK_SHRINK(1); stack_pointer[-1] = res; next_instr += 1; DISPATCH(); } TARGET(IS_OP) { PyObject *right; PyObject *left; PyObject *b; right = stack_pointer[-1]; left = stack_pointer[-2]; int res = Py_Is(left, right) ^ oparg; Py_DECREF(left); Py_DECREF(right); b = res ? Py_True : Py_False; STACK_SHRINK(1); stack_pointer[-1] = b; DISPATCH(); } TARGET(CONTAINS_OP) { PyObject *right; PyObject *left; PyObject *b; right = stack_pointer[-1]; left = stack_pointer[-2]; int res = PySequence_Contains(right, left); Py_DECREF(left); Py_DECREF(right); if (res < 0) goto pop_2_error; b = (res ^ oparg) ? Py_True : Py_False; STACK_SHRINK(1); stack_pointer[-1] = b; DISPATCH(); } TARGET(CHECK_EG_MATCH) { PyObject *match_type; PyObject *exc_value; PyObject *rest; PyObject *match; match_type = stack_pointer[-1]; exc_value = stack_pointer[-2]; if (_PyEval_CheckExceptStarTypeValid(tstate, match_type) < 0) { Py_DECREF(exc_value); Py_DECREF(match_type); if (true) goto pop_2_error; } match = NULL; rest = NULL; int res = _PyEval_ExceptionGroupMatch(exc_value, match_type, &match, &rest); Py_DECREF(exc_value); Py_DECREF(match_type); if (res < 0) goto pop_2_error; assert((match == NULL) == (rest == NULL)); if (match == NULL) goto pop_2_error; if (!Py_IsNone(match)) { PyErr_SetHandledException(match); } stack_pointer[-2] = rest; stack_pointer[-1] = match; DISPATCH(); } TARGET(CHECK_EXC_MATCH) { PyObject *right; PyObject *left; PyObject *b; right = stack_pointer[-1]; left = stack_pointer[-2]; assert(PyExceptionInstance_Check(left)); if (_PyEval_CheckExceptTypeValid(tstate, right) < 0) { Py_DECREF(right); if (true) goto pop_1_error; } int res = PyErr_GivenExceptionMatches(left, right); Py_DECREF(right); b = res ? Py_True : Py_False; stack_pointer[-1] = b; DISPATCH(); } TARGET(IMPORT_NAME) { PyObject *fromlist; PyObject *level; PyObject *res; fromlist = stack_pointer[-1]; level = stack_pointer[-2]; PyObject *name = GETITEM(FRAME_CO_NAMES, oparg); res = import_name(tstate, frame, name, fromlist, level); Py_DECREF(level); Py_DECREF(fromlist); if (res == NULL) goto pop_2_error; STACK_SHRINK(1); stack_pointer[-1] = res; DISPATCH(); } TARGET(IMPORT_FROM) { PyObject *from; PyObject *res; from = stack_pointer[-1]; PyObject *name = GETITEM(FRAME_CO_NAMES, oparg); res = import_from(tstate, from, name); if (res == NULL) goto error; STACK_GROW(1); stack_pointer[-1] = res; DISPATCH(); } TARGET(JUMP_FORWARD) { JUMPBY(oparg); DISPATCH(); } TARGET(JUMP_BACKWARD) { CHECK_EVAL_BREAKER(); _Py_CODEUNIT *here = next_instr - 1; assert(oparg <= INSTR_OFFSET()); JUMPBY(1-oparg); #if ENABLE_SPECIALIZATION here[1].cache += (1 << OPTIMIZER_BITS_IN_COUNTER); if (here[1].cache > tstate->interp->optimizer_backedge_threshold && // Double-check that the opcode isn't instrumented or something: here->op.code == JUMP_BACKWARD) { OPT_STAT_INC(attempts); int optimized = _PyOptimizer_BackEdge(frame, here, next_instr, stack_pointer); if (optimized < 0) goto error; if (optimized) { // Rewind and enter the executor: assert(here->op.code == ENTER_EXECUTOR); next_instr = here; } here[1].cache &= ((1 << OPTIMIZER_BITS_IN_COUNTER) - 1); } #endif /* ENABLE_SPECIALIZATION */ DISPATCH(); } TARGET(ENTER_EXECUTOR) { CHECK_EVAL_BREAKER(); PyCodeObject *code = _PyFrame_GetCode(frame); _PyExecutorObject *executor = (_PyExecutorObject *)code->co_executors->executors[oparg&255]; int original_oparg = executor->vm_data.oparg | (oparg & 0xfffff00); JUMPBY(1-original_oparg); frame->prev_instr = next_instr - 1; Py_INCREF(executor); frame = executor->execute(executor, frame, stack_pointer); if (frame == NULL) { frame = tstate->current_frame; goto resume_with_error; } goto resume_frame; } TARGET(POP_JUMP_IF_FALSE) { PyObject *cond; cond = stack_pointer[-1]; assert(PyBool_Check(cond)); int flag = Py_IsFalse(cond); #if ENABLE_SPECIALIZATION next_instr->cache = (next_instr->cache << 1) | flag; #endif JUMPBY(oparg * flag); STACK_SHRINK(1); next_instr += 1; DISPATCH(); } TARGET(POP_JUMP_IF_TRUE) { PyObject *cond; cond = stack_pointer[-1]; assert(PyBool_Check(cond)); int flag = Py_IsTrue(cond); #if ENABLE_SPECIALIZATION next_instr->cache = (next_instr->cache << 1) | flag; #endif JUMPBY(oparg * flag); STACK_SHRINK(1); next_instr += 1; DISPATCH(); } TARGET(POP_JUMP_IF_NONE) { PyObject *value; PyObject *b; PyObject *cond; // _IS_NONE value = stack_pointer[-1]; { if (Py_IsNone(value)) { b = Py_True; } else { b = Py_False; Py_DECREF(value); } } // POP_JUMP_IF_TRUE cond = b; { assert(PyBool_Check(cond)); int flag = Py_IsTrue(cond); #if ENABLE_SPECIALIZATION next_instr->cache = (next_instr->cache << 1) | flag; #endif JUMPBY(oparg * flag); } STACK_SHRINK(1); next_instr += 1; DISPATCH(); } TARGET(POP_JUMP_IF_NOT_NONE) { PyObject *value; PyObject *b; PyObject *cond; // _IS_NONE value = stack_pointer[-1]; { if (Py_IsNone(value)) { b = Py_True; } else { b = Py_False; Py_DECREF(value); } } // POP_JUMP_IF_FALSE cond = b; { assert(PyBool_Check(cond)); int flag = Py_IsFalse(cond); #if ENABLE_SPECIALIZATION next_instr->cache = (next_instr->cache << 1) | flag; #endif JUMPBY(oparg * flag); } STACK_SHRINK(1); next_instr += 1; DISPATCH(); } TARGET(JUMP_BACKWARD_NO_INTERRUPT) { /* This bytecode is used in the `yield from` or `await` loop. * If there is an interrupt, we want it handled in the innermost * generator or coroutine, so we deliberately do not check it here. * (see bpo-30039). */ JUMPBY(-oparg); DISPATCH(); } TARGET(GET_LEN) { PyObject *obj; PyObject *len_o; obj = stack_pointer[-1]; // PUSH(len(TOS)) Py_ssize_t len_i = PyObject_Length(obj); if (len_i < 0) goto error; len_o = PyLong_FromSsize_t(len_i); if (len_o == NULL) goto error; STACK_GROW(1); stack_pointer[-1] = len_o; DISPATCH(); } TARGET(MATCH_CLASS) { PyObject *names; PyObject *type; PyObject *subject; PyObject *attrs; names = stack_pointer[-1]; type = stack_pointer[-2]; subject = stack_pointer[-3]; // Pop TOS and TOS1. Set TOS to a tuple of attributes on success, or // None on failure. assert(PyTuple_CheckExact(names)); attrs = _PyEval_MatchClass(tstate, subject, type, oparg, names); Py_DECREF(subject); Py_DECREF(type); Py_DECREF(names); if (attrs) { assert(PyTuple_CheckExact(attrs)); // Success! } else { if (_PyErr_Occurred(tstate)) goto pop_3_error; attrs = Py_None; // Failure! } STACK_SHRINK(2); stack_pointer[-1] = attrs; DISPATCH(); } TARGET(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_GROW(1); stack_pointer[-1] = res; DISPATCH(); } TARGET(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_GROW(1); stack_pointer[-1] = res; DISPATCH(); } TARGET(MATCH_KEYS) { PyObject *keys; PyObject *subject; PyObject *values_or_none; keys = stack_pointer[-1]; subject = stack_pointer[-2]; // On successful match, PUSH(values). Otherwise, PUSH(None). values_or_none = _PyEval_MatchKeys(tstate, subject, keys); if (values_or_none == NULL) goto error; STACK_GROW(1); stack_pointer[-1] = values_or_none; DISPATCH(); } TARGET(GET_ITER) { PyObject *iterable; PyObject *iter; iterable = stack_pointer[-1]; /* before: [obj]; after [getiter(obj)] */ iter = PyObject_GetIter(iterable); Py_DECREF(iterable); if (iter == NULL) goto pop_1_error; stack_pointer[-1] = iter; DISPATCH(); } TARGET(GET_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; } 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; DISPATCH(); } TARGET(FOR_ITER) { PREDICTED(FOR_ITER); static_assert(INLINE_CACHE_ENTRIES_FOR_ITER == 1, "incorrect cache size"); PyObject *iter; PyObject *next; iter = stack_pointer[-1]; #if ENABLE_SPECIALIZATION _PyForIterCache *cache = (_PyForIterCache *)next_instr; if (ADAPTIVE_COUNTER_IS_ZERO(cache->counter)) { next_instr--; _Py_Specialize_ForIter(iter, next_instr, oparg); DISPATCH_SAME_OPARG(); } STAT_INC(FOR_ITER, deferred); DECREMENT_ADAPTIVE_COUNTER(cache->counter); #endif /* ENABLE_SPECIALIZATION */ /* 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; } monitor_raise(tstate, frame, next_instr-1); _PyErr_Clear(tstate); } /* iterator ended normally */ assert(next_instr[INLINE_CACHE_ENTRIES_FOR_ITER + oparg].op.code == END_FOR || next_instr[INLINE_CACHE_ENTRIES_FOR_ITER + oparg].op.code == INSTRUMENTED_END_FOR); Py_DECREF(iter); STACK_SHRINK(1); SKIP_OVER(INLINE_CACHE_ENTRIES_FOR_ITER); /* Jump forward oparg, then skip following END_FOR instruction */ JUMPBY(oparg + 1); DISPATCH(); } // Common case: no jump, leave it to the code generator STACK_GROW(1); stack_pointer[-1] = next; next_instr += 1; DISPATCH(); } TARGET(INSTRUMENTED_FOR_ITER) { _Py_CODEUNIT *here = next_instr-1; _Py_CODEUNIT *target; PyObject *iter = TOP(); PyObject *next = (*Py_TYPE(iter)->tp_iternext)(iter); if (next != NULL) { PUSH(next); target = next_instr + INLINE_CACHE_ENTRIES_FOR_ITER; } else { if (_PyErr_Occurred(tstate)) { if (!_PyErr_ExceptionMatches(tstate, PyExc_StopIteration)) { goto error; } monitor_raise(tstate, frame, here); _PyErr_Clear(tstate); } /* iterator ended normally */ assert(next_instr[INLINE_CACHE_ENTRIES_FOR_ITER + oparg].op.code == END_FOR || next_instr[INLINE_CACHE_ENTRIES_FOR_ITER + oparg].op.code == INSTRUMENTED_END_FOR); STACK_SHRINK(1); Py_DECREF(iter); /* Skip END_FOR */ target = next_instr + INLINE_CACHE_ENTRIES_FOR_ITER + oparg + 1; } INSTRUMENTED_JUMP(here, target, PY_MONITORING_EVENT_BRANCH); DISPATCH(); } TARGET(FOR_ITER_LIST) { PyObject *iter; PyObject *next; // _ITER_CHECK_LIST iter = stack_pointer[-1]; { DEOPT_IF(Py_TYPE(iter) != &PyListIter_Type, FOR_ITER); } // _ITER_JUMP_LIST { _PyListIterObject *it = (_PyListIterObject *)iter; assert(Py_TYPE(iter) == &PyListIter_Type); STAT_INC(FOR_ITER, hit); PyListObject *seq = it->it_seq; if (seq == NULL || it->it_index >= PyList_GET_SIZE(seq)) { if (seq != NULL) { it->it_seq = NULL; Py_DECREF(seq); } Py_DECREF(iter); STACK_SHRINK(1); SKIP_OVER(INLINE_CACHE_ENTRIES_FOR_ITER); /* Jump forward oparg, then skip following END_FOR instruction */ JUMPBY(oparg + 1); DISPATCH(); } } // _ITER_NEXT_LIST { _PyListIterObject *it = (_PyListIterObject *)iter; assert(Py_TYPE(iter) == &PyListIter_Type); PyListObject *seq = it->it_seq; assert(seq); assert(it->it_index < PyList_GET_SIZE(seq)); next = Py_NewRef(PyList_GET_ITEM(seq, it->it_index++)); } STACK_GROW(1); stack_pointer[-1] = next; next_instr += 1; DISPATCH(); } TARGET(FOR_ITER_TUPLE) { PyObject *iter; PyObject *next; // _ITER_CHECK_TUPLE iter = stack_pointer[-1]; { DEOPT_IF(Py_TYPE(iter) != &PyTupleIter_Type, FOR_ITER); } // _ITER_JUMP_TUPLE { _PyTupleIterObject *it = (_PyTupleIterObject *)iter; assert(Py_TYPE(iter) == &PyTupleIter_Type); STAT_INC(FOR_ITER, hit); PyTupleObject *seq = it->it_seq; if (seq == NULL || it->it_index >= PyTuple_GET_SIZE(seq)) { if (seq != NULL) { it->it_seq = NULL; Py_DECREF(seq); } Py_DECREF(iter); STACK_SHRINK(1); SKIP_OVER(INLINE_CACHE_ENTRIES_FOR_ITER); /* Jump forward oparg, then skip following END_FOR instruction */ JUMPBY(oparg + 1); DISPATCH(); } } // _ITER_NEXT_TUPLE { _PyTupleIterObject *it = (_PyTupleIterObject *)iter; assert(Py_TYPE(iter) == &PyTupleIter_Type); PyTupleObject *seq = it->it_seq; assert(seq); assert(it->it_index < PyTuple_GET_SIZE(seq)); next = Py_NewRef(PyTuple_GET_ITEM(seq, it->it_index++)); } STACK_GROW(1); stack_pointer[-1] = next; next_instr += 1; DISPATCH(); } TARGET(FOR_ITER_RANGE) { PyObject *iter; PyObject *next; // _ITER_CHECK_RANGE iter = stack_pointer[-1]; { _PyRangeIterObject *r = (_PyRangeIterObject *)iter; DEOPT_IF(Py_TYPE(r) != &PyRangeIter_Type, FOR_ITER); } // _ITER_JUMP_RANGE { _PyRangeIterObject *r = (_PyRangeIterObject *)iter; assert(Py_TYPE(r) == &PyRangeIter_Type); STAT_INC(FOR_ITER, hit); if (r->len <= 0) { STACK_SHRINK(1); Py_DECREF(r); SKIP_OVER(INLINE_CACHE_ENTRIES_FOR_ITER); // Jump over END_FOR instruction. JUMPBY(oparg + 1); DISPATCH(); } } // _ITER_NEXT_RANGE { _PyRangeIterObject *r = (_PyRangeIterObject *)iter; assert(Py_TYPE(r) == &PyRangeIter_Type); assert(r->len > 0); long value = r->start; r->start = value + r->step; r->len--; next = PyLong_FromLong(value); if (next == NULL) goto error; } STACK_GROW(1); stack_pointer[-1] = next; next_instr += 1; DISPATCH(); } TARGET(FOR_ITER_GEN) { PyObject *iter; iter = stack_pointer[-1]; DEOPT_IF(tstate->interp->eval_frame, FOR_ITER); PyGenObject *gen = (PyGenObject *)iter; DEOPT_IF(Py_TYPE(gen) != &PyGen_Type, FOR_ITER); DEOPT_IF(gen->gi_frame_state >= FRAME_EXECUTING, FOR_ITER); STAT_INC(FOR_ITER, hit); _PyInterpreterFrame *gen_frame = (_PyInterpreterFrame *)gen->gi_iframe; _PyFrame_StackPush(gen_frame, Py_None); gen->gi_frame_state = FRAME_EXECUTING; gen->gi_exc_state.previous_item = tstate->exc_info; tstate->exc_info = &gen->gi_exc_state; SKIP_OVER(INLINE_CACHE_ENTRIES_FOR_ITER); assert(next_instr[oparg].op.code == END_FOR || next_instr[oparg].op.code == INSTRUMENTED_END_FOR); frame->return_offset = oparg; DISPATCH_INLINED(gen_frame); } TARGET(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; } 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; } Py_DECREF(mgr); res = _PyObject_CallNoArgs(enter); Py_DECREF(enter); if (res == NULL) { Py_DECREF(exit); if (true) goto pop_1_error; } STACK_GROW(1); stack_pointer[-2] = exit; stack_pointer[-1] = res; DISPATCH(); } TARGET(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; } 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; } Py_DECREF(mgr); res = _PyObject_CallNoArgs(enter); Py_DECREF(enter); if (res == NULL) { Py_DECREF(exit); if (true) goto pop_1_error; } STACK_GROW(1); stack_pointer[-2] = exit; stack_pointer[-1] = res; DISPATCH(); } TARGET(WITH_EXCEPT_START) { PyObject *val; PyObject *lasti; PyObject *exit_func; PyObject *res; val = stack_pointer[-1]; lasti = stack_pointer[-3]; exit_func = stack_pointer[-4]; /* At the top of the stack are 4 values: - val: TOP = exc_info() - unused: SECOND = previous exception - lasti: THIRD = lasti of exception in exc_info() - exit_func: FOURTH = the context.__exit__ bound method We call FOURTH(type(TOP), TOP, GetTraceback(TOP)). Then we push the __exit__ return value. */ PyObject *exc, *tb; assert(val && PyExceptionInstance_Check(val)); exc = PyExceptionInstance_Class(val); tb = PyException_GetTraceback(val); if (tb == NULL) { tb = Py_None; } else { Py_DECREF(tb); } assert(PyLong_Check(lasti)); (void)lasti; // Shut up compiler warning if asserts are off PyObject *stack[4] = {NULL, exc, val, tb}; res = PyObject_Vectorcall(exit_func, stack + 1, 3 | PY_VECTORCALL_ARGUMENTS_OFFSET, NULL); if (res == NULL) goto error; STACK_GROW(1); stack_pointer[-1] = res; DISPATCH(); } TARGET(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_GROW(1); stack_pointer[-2] = prev_exc; stack_pointer[-1] = new_exc; DISPATCH(); } TARGET(LOAD_ATTR_METHOD_WITH_VALUES) { PyObject *owner; PyObject *attr; PyObject *self; // _GUARD_TYPE_VERSION owner = stack_pointer[-1]; { uint32_t type_version = read_u32(&next_instr[1].cache); PyTypeObject *tp = Py_TYPE(owner); assert(type_version != 0); DEOPT_IF(tp->tp_version_tag != type_version, LOAD_ATTR); } // _GUARD_DORV_VALUES_INST_ATTR_FROM_DICT { assert(Py_TYPE(owner)->tp_flags & Py_TPFLAGS_MANAGED_DICT); PyDictOrValues *dorv = _PyObject_DictOrValuesPointer(owner); DEOPT_IF(!_PyDictOrValues_IsValues(*dorv) && !_PyObject_MakeInstanceAttributesFromDict(owner, dorv), LOAD_ATTR); } // _GUARD_KEYS_VERSION { uint32_t keys_version = read_u32(&next_instr[3].cache); PyTypeObject *owner_cls = Py_TYPE(owner); PyHeapTypeObject *owner_heap_type = (PyHeapTypeObject *)owner_cls; DEOPT_IF(owner_heap_type->ht_cached_keys->dk_version != keys_version, LOAD_ATTR); } // _LOAD_ATTR_METHOD_WITH_VALUES { PyObject *descr = read_obj(&next_instr[5].cache); assert(oparg & 1); /* Cached method object */ STAT_INC(LOAD_ATTR, hit); assert(descr != NULL); attr = Py_NewRef(descr); assert(_PyType_HasFeature(Py_TYPE(attr), Py_TPFLAGS_METHOD_DESCRIPTOR)); self = owner; } STACK_GROW(1); stack_pointer[-2] = attr; stack_pointer[-1] = self; next_instr += 9; DISPATCH(); } TARGET(LOAD_ATTR_METHOD_NO_DICT) { PyObject *owner; PyObject *attr; PyObject *self; // _GUARD_TYPE_VERSION owner = stack_pointer[-1]; { uint32_t type_version = read_u32(&next_instr[1].cache); PyTypeObject *tp = Py_TYPE(owner); assert(type_version != 0); DEOPT_IF(tp->tp_version_tag != type_version, LOAD_ATTR); } // _LOAD_ATTR_METHOD_NO_DICT { PyObject *descr = read_obj(&next_instr[5].cache); assert(oparg & 1); assert(Py_TYPE(owner)->tp_dictoffset == 0); STAT_INC(LOAD_ATTR, hit); assert(descr != NULL); assert(_PyType_HasFeature(Py_TYPE(descr), Py_TPFLAGS_METHOD_DESCRIPTOR)); attr = Py_NewRef(descr); self = owner; } STACK_GROW(1); stack_pointer[-2] = attr; stack_pointer[-1] = self; next_instr += 9; DISPATCH(); } TARGET(LOAD_ATTR_NONDESCRIPTOR_WITH_VALUES) { PyObject *owner; PyObject *attr; // _GUARD_TYPE_VERSION owner = stack_pointer[-1]; { uint32_t type_version = read_u32(&next_instr[1].cache); PyTypeObject *tp = Py_TYPE(owner); assert(type_version != 0); DEOPT_IF(tp->tp_version_tag != type_version, LOAD_ATTR); } // _GUARD_DORV_VALUES_INST_ATTR_FROM_DICT { assert(Py_TYPE(owner)->tp_flags & Py_TPFLAGS_MANAGED_DICT); PyDictOrValues *dorv = _PyObject_DictOrValuesPointer(owner); DEOPT_IF(!_PyDictOrValues_IsValues(*dorv) && !_PyObject_MakeInstanceAttributesFromDict(owner, dorv), LOAD_ATTR); } // _GUARD_KEYS_VERSION { uint32_t keys_version = read_u32(&next_instr[3].cache); PyTypeObject *owner_cls = Py_TYPE(owner); PyHeapTypeObject *owner_heap_type = (PyHeapTypeObject *)owner_cls; DEOPT_IF(owner_heap_type->ht_cached_keys->dk_version != keys_version, LOAD_ATTR); } // _LOAD_ATTR_NONDESCRIPTOR_WITH_VALUES { PyObject *descr = read_obj(&next_instr[5].cache); assert((oparg & 1) == 0); STAT_INC(LOAD_ATTR, hit); assert(descr != NULL); Py_DECREF(owner); attr = Py_NewRef(descr); } stack_pointer[-1] = attr; next_instr += 9; DISPATCH(); } TARGET(LOAD_ATTR_NONDESCRIPTOR_NO_DICT) { PyObject *owner; PyObject *attr; // _GUARD_TYPE_VERSION owner = stack_pointer[-1]; { uint32_t type_version = read_u32(&next_instr[1].cache); PyTypeObject *tp = Py_TYPE(owner); assert(type_version != 0); DEOPT_IF(tp->tp_version_tag != type_version, LOAD_ATTR); } // _LOAD_ATTR_NONDESCRIPTOR_NO_DICT { PyObject *descr = read_obj(&next_instr[5].cache); assert((oparg & 1) == 0); assert(Py_TYPE(owner)->tp_dictoffset == 0); STAT_INC(LOAD_ATTR, hit); assert(descr != NULL); Py_DECREF(owner); attr = Py_NewRef(descr); } stack_pointer[-1] = attr; next_instr += 9; DISPATCH(); } TARGET(LOAD_ATTR_METHOD_LAZY_DICT) { PyObject *owner; PyObject *attr; PyObject *self; // _GUARD_TYPE_VERSION owner = stack_pointer[-1]; { uint32_t type_version = read_u32(&next_instr[1].cache); PyTypeObject *tp = Py_TYPE(owner); assert(type_version != 0); DEOPT_IF(tp->tp_version_tag != type_version, LOAD_ATTR); } // _CHECK_ATTR_METHOD_LAZY_DICT { Py_ssize_t dictoffset = Py_TYPE(owner)->tp_dictoffset; assert(dictoffset > 0); PyObject *dict = *(PyObject **)((char *)owner + dictoffset); /* This object has a __dict__, just not yet created */ DEOPT_IF(dict != NULL, LOAD_ATTR); } // _LOAD_ATTR_METHOD_LAZY_DICT { PyObject *descr = read_obj(&next_instr[5].cache); assert(oparg & 1); STAT_INC(LOAD_ATTR, hit); assert(descr != NULL); assert(_PyType_HasFeature(Py_TYPE(descr), Py_TPFLAGS_METHOD_DESCRIPTOR)); attr = Py_NewRef(descr); self = owner; } STACK_GROW(1); stack_pointer[-2] = attr; stack_pointer[-1] = self; next_instr += 9; DISPATCH(); } TARGET(INSTRUMENTED_CALL) { int is_meth = PEEK(oparg + 1) != NULL; int total_args = oparg + is_meth; PyObject *function = PEEK(oparg + 2); PyObject *arg = total_args == 0 ? &_PyInstrumentation_MISSING : PEEK(total_args); int err = _Py_call_instrumentation_2args( tstate, PY_MONITORING_EVENT_CALL, frame, next_instr-1, function, arg); if (err) goto error; _PyCallCache *cache = (_PyCallCache *)next_instr; INCREMENT_ADAPTIVE_COUNTER(cache->counter); GO_TO_INSTRUCTION(CALL); } TARGET(CALL) { PREDICTED(CALL); static_assert(INLINE_CACHE_ENTRIES_CALL == 3, "incorrect cache size"); PyObject **args; PyObject *self_or_null; PyObject *callable; PyObject *res; args = stack_pointer - oparg; self_or_null = stack_pointer[-1 - oparg]; callable = stack_pointer[-2 - oparg]; // oparg counts all of the args, but *not* self: int total_args = oparg; if (self_or_null != NULL) { args--; total_args++; } #if ENABLE_SPECIALIZATION _PyCallCache *cache = (_PyCallCache *)next_instr; if (ADAPTIVE_COUNTER_IS_ZERO(cache->counter)) { next_instr--; _Py_Specialize_Call(callable, next_instr, total_args); DISPATCH_SAME_OPARG(); } STAT_INC(CALL, deferred); DECREMENT_ADAPTIVE_COUNTER(cache->counter); #endif /* ENABLE_SPECIALIZATION */ if (self_or_null == NULL && Py_TYPE(callable) == &PyMethod_Type) { args--; total_args++; PyObject *self = ((PyMethodObject *)callable)->im_self; args[0] = Py_NewRef(self); PyObject *method = ((PyMethodObject *)callable)->im_func; args[-1] = Py_NewRef(method); Py_DECREF(callable); callable = method; } // Check if the call can be inlined or not if (Py_TYPE(callable) == &PyFunction_Type && tstate->interp->eval_frame == NULL && ((PyFunctionObject *)callable)->vectorcall == _PyFunction_Vectorcall) { int code_flags = ((PyCodeObject*)PyFunction_GET_CODE(callable))->co_flags; PyObject *locals = code_flags & CO_OPTIMIZED ? NULL : Py_NewRef(PyFunction_GET_GLOBALS(callable)); _PyInterpreterFrame *new_frame = _PyEvalFramePushAndInit( tstate, (PyFunctionObject *)callable, locals, args, total_args, NULL ); // Manipulate stack directly since we leave using DISPATCH_INLINED(). STACK_SHRINK(oparg + 2); // The frame has stolen all the arguments from the stack, // so there is no need to clean them up. if (new_frame == NULL) { goto error; } SKIP_OVER(INLINE_CACHE_ENTRIES_CALL); frame->return_offset = 0; DISPATCH_INLINED(new_frame); } /* Callable is not a normal Python function */ res = PyObject_Vectorcall( callable, args, total_args | PY_VECTORCALL_ARGUMENTS_OFFSET, NULL); if (opcode == INSTRUMENTED_CALL) { PyObject *arg = total_args == 0 ? &_PyInstrumentation_MISSING : args[0]; if (res == NULL) { _Py_call_instrumentation_exc2( tstate, PY_MONITORING_EVENT_C_RAISE, frame, next_instr-1, callable, arg); } else { int err = _Py_call_instrumentation_2args( tstate, PY_MONITORING_EVENT_C_RETURN, frame, next_instr-1, callable, arg); if (err < 0) { Py_CLEAR(res); } } } assert((res != NULL) ^ (_PyErr_Occurred(tstate) != NULL)); Py_DECREF(callable); for (int i = 0; i < total_args; i++) { Py_DECREF(args[i]); } if (res == NULL) { STACK_SHRINK(oparg); goto pop_2_error; } STACK_SHRINK(oparg); STACK_SHRINK(1); stack_pointer[-1] = res; next_instr += 3; CHECK_EVAL_BREAKER(); DISPATCH(); } TARGET(CALL_BOUND_METHOD_EXACT_ARGS) { PyObject *null; PyObject *callable; PyObject *self; PyObject *self_or_null; PyObject *func; PyObject **args; _PyInterpreterFrame *new_frame; // _CHECK_PEP_523 { DEOPT_IF(tstate->interp->eval_frame, CALL); } // _CHECK_CALL_BOUND_METHOD_EXACT_ARGS null = stack_pointer[-1 - oparg]; callable = stack_pointer[-2 - oparg]; { DEOPT_IF(null != NULL, CALL); DEOPT_IF(Py_TYPE(callable) != &PyMethod_Type, CALL); } // _INIT_CALL_BOUND_METHOD_EXACT_ARGS { STAT_INC(CALL, hit); self = Py_NewRef(((PyMethodObject *)callable)->im_self); stack_pointer[-1 - oparg] = self; // Patch stack as it is used by _INIT_CALL_PY_EXACT_ARGS func = Py_NewRef(((PyMethodObject *)callable)->im_func); stack_pointer[-2 - oparg] = func; // This is used by CALL, upon deoptimization Py_DECREF(callable); } // _CHECK_FUNCTION_EXACT_ARGS self_or_null = self; callable = func; { uint32_t func_version = read_u32(&next_instr[1].cache); DEOPT_IF(!PyFunction_Check(callable), CALL); PyFunctionObject *func = (PyFunctionObject *)callable; DEOPT_IF(func->func_version != func_version, CALL); PyCodeObject *code = (PyCodeObject *)func->func_code; DEOPT_IF(code->co_argcount != oparg + (self_or_null != NULL), CALL); } // _CHECK_STACK_SPACE { PyFunctionObject *func = (PyFunctionObject *)callable; PyCodeObject *code = (PyCodeObject *)func->func_code; DEOPT_IF(!_PyThreadState_HasStackSpace(tstate, code->co_framesize), CALL); DEOPT_IF(tstate->py_recursion_remaining <= 1, CALL); } // _INIT_CALL_PY_EXACT_ARGS args = stack_pointer - oparg; { int argcount = oparg; if (self_or_null != NULL) { args--; argcount++; } STAT_INC(CALL, hit); PyFunctionObject *func = (PyFunctionObject *)callable; new_frame = _PyFrame_PushUnchecked(tstate, func, argcount); for (int i = 0; i < argcount; i++) { new_frame->localsplus[i] = args[i]; } } // _SAVE_CURRENT_IP next_instr += 3; { TIER_ONE_ONLY frame->prev_instr = next_instr - 1; } // _PUSH_FRAME STACK_SHRINK(oparg); STACK_SHRINK(2); { // Write it out explicitly because it's subtly different. // Eventually this should be the only occurrence of this code. frame->return_offset = 0; assert(tstate->interp->eval_frame == NULL); STORE_SP(); new_frame->previous = frame; CALL_STAT_INC(inlined_py_calls); frame = tstate->current_frame = new_frame; tstate->py_recursion_remaining--; LOAD_SP(); LOAD_IP(); #if LLTRACE && TIER_ONE lltrace = maybe_lltrace_resume_frame(frame, &entry_frame, GLOBALS()); if (lltrace < 0) { goto exit_unwind; } #endif } DISPATCH(); } TARGET(CALL_PY_EXACT_ARGS) { PyObject *self_or_null; PyObject *callable; PyObject **args; _PyInterpreterFrame *new_frame; // _CHECK_PEP_523 { DEOPT_IF(tstate->interp->eval_frame, CALL); } // _CHECK_FUNCTION_EXACT_ARGS self_or_null = stack_pointer[-1 - oparg]; callable = stack_pointer[-2 - oparg]; { uint32_t func_version = read_u32(&next_instr[1].cache); DEOPT_IF(!PyFunction_Check(callable), CALL); PyFunctionObject *func = (PyFunctionObject *)callable; DEOPT_IF(func->func_version != func_version, CALL); PyCodeObject *code = (PyCodeObject *)func->func_code; DEOPT_IF(code->co_argcount != oparg + (self_or_null != NULL), CALL); } // _CHECK_STACK_SPACE { PyFunctionObject *func = (PyFunctionObject *)callable; PyCodeObject *code = (PyCodeObject *)func->func_code; DEOPT_IF(!_PyThreadState_HasStackSpace(tstate, code->co_framesize), CALL); DEOPT_IF(tstate->py_recursion_remaining <= 1, CALL); } // _INIT_CALL_PY_EXACT_ARGS args = stack_pointer - oparg; { int argcount = oparg; if (self_or_null != NULL) { args--; argcount++; } STAT_INC(CALL, hit); PyFunctionObject *func = (PyFunctionObject *)callable; new_frame = _PyFrame_PushUnchecked(tstate, func, argcount); for (int i = 0; i < argcount; i++) { new_frame->localsplus[i] = args[i]; } } // _SAVE_CURRENT_IP next_instr += 3; { TIER_ONE_ONLY frame->prev_instr = next_instr - 1; } // _PUSH_FRAME STACK_SHRINK(oparg); STACK_SHRINK(2); { // Write it out explicitly because it's subtly different. // Eventually this should be the only occurrence of this code. frame->return_offset = 0; assert(tstate->interp->eval_frame == NULL); STORE_SP(); new_frame->previous = frame; CALL_STAT_INC(inlined_py_calls); frame = tstate->current_frame = new_frame; tstate->py_recursion_remaining--; LOAD_SP(); LOAD_IP(); #if LLTRACE && TIER_ONE lltrace = maybe_lltrace_resume_frame(frame, &entry_frame, GLOBALS()); if (lltrace < 0) { goto exit_unwind; } #endif } DISPATCH(); } TARGET(CALL_PY_WITH_DEFAULTS) { PyObject **args; PyObject *self_or_null; PyObject *callable; args = stack_pointer - oparg; self_or_null = stack_pointer[-1 - oparg]; callable = stack_pointer[-2 - oparg]; uint32_t func_version = read_u32(&next_instr[1].cache); DEOPT_IF(tstate->interp->eval_frame, CALL); int argcount = oparg; if (self_or_null != NULL) { args--; argcount++; } DEOPT_IF(!PyFunction_Check(callable), CALL); PyFunctionObject *func = (PyFunctionObject *)callable; DEOPT_IF(func->func_version != func_version, CALL); PyCodeObject *code = (PyCodeObject *)func->func_code; assert(func->func_defaults); assert(PyTuple_CheckExact(func->func_defaults)); int defcount = (int)PyTuple_GET_SIZE(func->func_defaults); assert(defcount <= code->co_argcount); int min_args = code->co_argcount - defcount; DEOPT_IF(argcount > code->co_argcount, CALL); DEOPT_IF(argcount < min_args, CALL); DEOPT_IF(!_PyThreadState_HasStackSpace(tstate, code->co_framesize), CALL); STAT_INC(CALL, hit); _PyInterpreterFrame *new_frame = _PyFrame_PushUnchecked(tstate, func, code->co_argcount); for (int i = 0; i < argcount; i++) { new_frame->localsplus[i] = args[i]; } for (int i = argcount; i < code->co_argcount; i++) { PyObject *def = PyTuple_GET_ITEM(func->func_defaults, i - min_args); new_frame->localsplus[i] = Py_NewRef(def); } // Manipulate stack and cache directly since we leave using DISPATCH_INLINED(). STACK_SHRINK(oparg + 2); SKIP_OVER(INLINE_CACHE_ENTRIES_CALL); frame->return_offset = 0; DISPATCH_INLINED(new_frame); } TARGET(CALL_TYPE_1) { PyObject **args; PyObject *null; PyObject *callable; PyObject *res; args = stack_pointer - oparg; null = stack_pointer[-1 - oparg]; callable = stack_pointer[-2 - oparg]; assert(oparg == 1); DEOPT_IF(null != NULL, CALL); PyObject *obj = args[0]; DEOPT_IF(callable != (PyObject *)&PyType_Type, CALL); STAT_INC(CALL, hit); res = Py_NewRef(Py_TYPE(obj)); Py_DECREF(obj); Py_DECREF(&PyType_Type); // I.e., callable STACK_SHRINK(oparg); STACK_SHRINK(1); stack_pointer[-1] = res; next_instr += 3; DISPATCH(); } TARGET(CALL_STR_1) { PyObject **args; PyObject *null; PyObject *callable; PyObject *res; args = stack_pointer - oparg; null = stack_pointer[-1 - oparg]; callable = stack_pointer[-2 - oparg]; assert(oparg == 1); DEOPT_IF(null != NULL, CALL); DEOPT_IF(callable != (PyObject *)&PyUnicode_Type, CALL); STAT_INC(CALL, hit); PyObject *arg = args[0]; res = PyObject_Str(arg); Py_DECREF(arg); Py_DECREF(&PyUnicode_Type); // I.e., callable if (res == NULL) { STACK_SHRINK(oparg); goto pop_2_error; } STACK_SHRINK(oparg); STACK_SHRINK(1); stack_pointer[-1] = res; next_instr += 3; CHECK_EVAL_BREAKER(); DISPATCH(); } TARGET(CALL_TUPLE_1) { PyObject **args; PyObject *null; PyObject *callable; PyObject *res; args = stack_pointer - oparg; null = stack_pointer[-1 - oparg]; callable = stack_pointer[-2 - oparg]; assert(oparg == 1); DEOPT_IF(null != NULL, CALL); DEOPT_IF(callable != (PyObject *)&PyTuple_Type, CALL); STAT_INC(CALL, hit); PyObject *arg = args[0]; res = PySequence_Tuple(arg); Py_DECREF(arg); Py_DECREF(&PyTuple_Type); // I.e., tuple if (res == NULL) { STACK_SHRINK(oparg); goto pop_2_error; } STACK_SHRINK(oparg); STACK_SHRINK(1); stack_pointer[-1] = res; next_instr += 3; CHECK_EVAL_BREAKER(); DISPATCH(); } TARGET(CALL_ALLOC_AND_ENTER_INIT) { PyObject **args; PyObject *null; PyObject *callable; args = stack_pointer - oparg; null = stack_pointer[-1 - oparg]; callable = stack_pointer[-2 - oparg]; /* This instruction does the following: * 1. Creates the object (by calling ``object.__new__``) * 2. Pushes a shim frame to the frame stack (to cleanup after ``__init__``) * 3. Pushes the frame for ``__init__`` to the frame stack * */ _PyCallCache *cache = (_PyCallCache *)next_instr; DEOPT_IF(null != NULL, CALL); DEOPT_IF(!PyType_Check(callable), CALL); PyTypeObject *tp = (PyTypeObject *)callable; DEOPT_IF(tp->tp_version_tag != read_u32(cache->func_version), CALL); PyHeapTypeObject *cls = (PyHeapTypeObject *)callable; PyFunctionObject *init = (PyFunctionObject *)cls->_spec_cache.init; PyCodeObject *code = (PyCodeObject *)init->func_code; DEOPT_IF(code->co_argcount != oparg+1, CALL); DEOPT_IF(!_PyThreadState_HasStackSpace(tstate, code->co_framesize + _Py_InitCleanup.co_framesize), CALL); STAT_INC(CALL, hit); PyObject *self = _PyType_NewManagedObject(tp); if (self == NULL) { goto error; } Py_DECREF(tp); _PyInterpreterFrame *shim = _PyFrame_PushTrampolineUnchecked( tstate, (PyCodeObject *)&_Py_InitCleanup, 1); assert(_PyCode_CODE((PyCodeObject *)shim->f_executable)[1].op.code == EXIT_INIT_CHECK); /* Push self onto stack of shim */ Py_INCREF(self); shim->localsplus[0] = self; Py_INCREF(init); _PyInterpreterFrame *init_frame = _PyFrame_PushUnchecked(tstate, init, oparg+1); /* Copy self followed by args to __init__ frame */ init_frame->localsplus[0] = self; for (int i = 0; i < oparg; i++) { init_frame->localsplus[i+1] = args[i]; } SKIP_OVER(INLINE_CACHE_ENTRIES_CALL); frame->prev_instr = next_instr - 1; frame->return_offset = 0; STACK_SHRINK(oparg+2); _PyFrame_SetStackPointer(frame, stack_pointer); /* Link frames */ init_frame->previous = shim; shim->previous = frame; frame = tstate->current_frame = init_frame; CALL_STAT_INC(inlined_py_calls); /* Account for pushing the extra frame. * We don't check recursion depth here, * as it will be checked after start_frame */ tstate->py_recursion_remaining--; goto start_frame; } TARGET(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; } STACK_SHRINK(1); DISPATCH(); } TARGET(CALL_BUILTIN_CLASS) { PyObject **args; PyObject *self_or_null; PyObject *callable; PyObject *res; args = stack_pointer - oparg; self_or_null = stack_pointer[-1 - oparg]; callable = stack_pointer[-2 - oparg]; int total_args = oparg; if (self_or_null != NULL) { args--; total_args++; } DEOPT_IF(!PyType_Check(callable), CALL); PyTypeObject *tp = (PyTypeObject *)callable; DEOPT_IF(tp->tp_vectorcall == NULL, CALL); STAT_INC(CALL, hit); res = tp->tp_vectorcall((PyObject *)tp, args, total_args, NULL); /* Free the arguments. */ for (int i = 0; i < total_args; i++) { Py_DECREF(args[i]); } Py_DECREF(tp); if (res == NULL) { STACK_SHRINK(oparg); goto pop_2_error; } STACK_SHRINK(oparg); STACK_SHRINK(1); stack_pointer[-1] = res; next_instr += 3; CHECK_EVAL_BREAKER(); DISPATCH(); } TARGET(CALL_BUILTIN_O) { PyObject **args; PyObject *self_or_null; PyObject *callable; PyObject *res; args = stack_pointer - oparg; self_or_null = stack_pointer[-1 - oparg]; callable = stack_pointer[-2 - oparg]; /* Builtin METH_O functions */ int total_args = oparg; if (self_or_null != NULL) { args--; total_args++; } DEOPT_IF(total_args != 1, CALL); DEOPT_IF(!PyCFunction_CheckExact(callable), CALL); DEOPT_IF(PyCFunction_GET_FLAGS(callable) != METH_O, CALL); STAT_INC(CALL, hit); PyCFunction cfunc = PyCFunction_GET_FUNCTION(callable); // This is slower but CPython promises to check all non-vectorcall // function calls. if (_Py_EnterRecursiveCallTstate(tstate, " while calling a Python object")) { goto error; } 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_SHRINK(oparg); goto pop_2_error; } STACK_SHRINK(oparg); STACK_SHRINK(1); stack_pointer[-1] = res; next_instr += 3; CHECK_EVAL_BREAKER(); DISPATCH(); } TARGET(CALL_BUILTIN_FAST) { PyObject **args; PyObject *self_or_null; PyObject *callable; PyObject *res; args = stack_pointer - oparg; self_or_null = stack_pointer[-1 - oparg]; callable = stack_pointer[-2 - oparg]; /* Builtin METH_FASTCALL functions, without keywords */ int total_args = oparg; if (self_or_null != NULL) { args--; total_args++; } DEOPT_IF(!PyCFunction_CheckExact(callable), CALL); DEOPT_IF(PyCFunction_GET_FLAGS(callable) != METH_FASTCALL, CALL); STAT_INC(CALL, hit); PyCFunction cfunc = PyCFunction_GET_FUNCTION(callable); /* res = func(self, args, nargs) */ res = ((_PyCFunctionFast)(void(*)(void))cfunc)( PyCFunction_GET_SELF(callable), args, total_args); assert((res != NULL) ^ (_PyErr_Occurred(tstate) != NULL)); /* Free the arguments. */ for (int i = 0; i < total_args; i++) { Py_DECREF(args[i]); } Py_DECREF(callable); if (res == NULL) { STACK_SHRINK(oparg); goto pop_2_error; } /* Not deopting because this doesn't mean our optimization was wrong. `res` can be NULL for valid reasons. Eg. getattr(x, 'invalid'). In those cases an exception is set, so we must handle it. */ STACK_SHRINK(oparg); STACK_SHRINK(1); stack_pointer[-1] = res; next_instr += 3; CHECK_EVAL_BREAKER(); DISPATCH(); } TARGET(CALL_BUILTIN_FAST_WITH_KEYWORDS) { PyObject **args; PyObject *self_or_null; PyObject *callable; PyObject *res; args = stack_pointer - oparg; self_or_null = stack_pointer[-1 - oparg]; callable = stack_pointer[-2 - oparg]; /* Builtin METH_FASTCALL | METH_KEYWORDS functions */ int total_args = oparg; if (self_or_null != NULL) { args--; total_args++; } DEOPT_IF(!PyCFunction_CheckExact(callable), CALL); DEOPT_IF(PyCFunction_GET_FLAGS(callable) != (METH_FASTCALL | METH_KEYWORDS), CALL); STAT_INC(CALL, hit); /* res = func(self, args, nargs, kwnames) */ _PyCFunctionFastWithKeywords cfunc = (_PyCFunctionFastWithKeywords)(void(*)(void)) PyCFunction_GET_FUNCTION(callable); res = cfunc(PyCFunction_GET_SELF(callable), args, total_args, NULL); assert((res != NULL) ^ (_PyErr_Occurred(tstate) != NULL)); /* Free the arguments. */ for (int i = 0; i < total_args; i++) { Py_DECREF(args[i]); } Py_DECREF(callable); if (res == NULL) { STACK_SHRINK(oparg); goto pop_2_error; } STACK_SHRINK(oparg); STACK_SHRINK(1); stack_pointer[-1] = res; next_instr += 3; CHECK_EVAL_BREAKER(); DISPATCH(); } TARGET(CALL_LEN) { PyObject **args; PyObject *self_or_null; PyObject *callable; PyObject *res; args = stack_pointer - oparg; self_or_null = stack_pointer[-1 - oparg]; callable = stack_pointer[-2 - oparg]; /* len(o) */ int total_args = oparg; if (self_or_null != NULL) { args--; total_args++; } DEOPT_IF(total_args != 1, CALL); PyInterpreterState *interp = tstate->interp; DEOPT_IF(callable != interp->callable_cache.len, CALL); STAT_INC(CALL, hit); PyObject *arg = args[0]; Py_ssize_t len_i = PyObject_Length(arg); if (len_i < 0) { goto error; } res = PyLong_FromSsize_t(len_i); assert((res != NULL) ^ (_PyErr_Occurred(tstate) != NULL)); Py_DECREF(callable); Py_DECREF(arg); if (res == NULL) { STACK_SHRINK(oparg); goto pop_2_error; } STACK_SHRINK(oparg); STACK_SHRINK(1); stack_pointer[-1] = res; next_instr += 3; DISPATCH(); } TARGET(CALL_ISINSTANCE) { PyObject **args; PyObject *self_or_null; PyObject *callable; PyObject *res; args = stack_pointer - oparg; self_or_null = stack_pointer[-1 - oparg]; callable = stack_pointer[-2 - oparg]; /* isinstance(o, o2) */ int total_args = oparg; if (self_or_null != NULL) { args--; total_args++; } DEOPT_IF(total_args != 2, CALL); PyInterpreterState *interp = tstate->interp; DEOPT_IF(callable != interp->callable_cache.isinstance, CALL); STAT_INC(CALL, hit); PyObject *cls = args[1]; PyObject *inst = args[0]; int retval = PyObject_IsInstance(inst, cls); if (retval < 0) { goto error; } res = PyBool_FromLong(retval); assert((res != NULL) ^ (_PyErr_Occurred(tstate) != NULL)); Py_DECREF(inst); Py_DECREF(cls); Py_DECREF(callable); if (res == NULL) { STACK_SHRINK(oparg); goto pop_2_error; } STACK_SHRINK(oparg); STACK_SHRINK(1); stack_pointer[-1] = res; next_instr += 3; DISPATCH(); } TARGET(CALL_LIST_APPEND) { PyObject **args; PyObject *self; PyObject *callable; args = stack_pointer - oparg; self = stack_pointer[-1 - oparg]; callable = stack_pointer[-2 - oparg]; assert(oparg == 1); PyInterpreterState *interp = tstate->interp; DEOPT_IF(callable != interp->callable_cache.list_append, CALL); assert(self != NULL); DEOPT_IF(!PyList_Check(self), CALL); STAT_INC(CALL, hit); if (_PyList_AppendTakeRef((PyListObject *)self, args[0]) < 0) { goto pop_1_error; // Since arg is DECREF'ed already } Py_DECREF(self); Py_DECREF(callable); STACK_SHRINK(3); // CALL + POP_TOP SKIP_OVER(INLINE_CACHE_ENTRIES_CALL + 1); assert(next_instr[-1].op.code == POP_TOP); DISPATCH(); } TARGET(CALL_METHOD_DESCRIPTOR_O) { PyObject **args; PyObject *self_or_null; PyObject *callable; PyObject *res; args = stack_pointer - oparg; self_or_null = stack_pointer[-1 - oparg]; callable = stack_pointer[-2 - oparg]; int total_args = oparg; if (self_or_null != NULL) { args--; total_args++; } PyMethodDescrObject *method = (PyMethodDescrObject *)callable; DEOPT_IF(total_args != 2, CALL); DEOPT_IF(!Py_IS_TYPE(method, &PyMethodDescr_Type), CALL); PyMethodDef *meth = method->d_method; DEOPT_IF(meth->ml_flags != METH_O, CALL); PyObject *arg = args[1]; PyObject *self = args[0]; DEOPT_IF(!Py_IS_TYPE(self, method->d_common.d_type), CALL); STAT_INC(CALL, hit); PyCFunction cfunc = meth->ml_meth; // This is slower but CPython promises to check all non-vectorcall // function calls. if (_Py_EnterRecursiveCallTstate(tstate, " while calling a Python object")) { goto error; } 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_SHRINK(oparg); goto pop_2_error; } STACK_SHRINK(oparg); STACK_SHRINK(1); stack_pointer[-1] = res; next_instr += 3; CHECK_EVAL_BREAKER(); DISPATCH(); } TARGET(CALL_METHOD_DESCRIPTOR_FAST_WITH_KEYWORDS) { PyObject **args; PyObject *self_or_null; PyObject *callable; PyObject *res; args = stack_pointer - oparg; self_or_null = stack_pointer[-1 - oparg]; callable = stack_pointer[-2 - oparg]; int total_args = oparg; if (self_or_null != NULL) { args--; total_args++; } PyMethodDescrObject *method = (PyMethodDescrObject *)callable; DEOPT_IF(!Py_IS_TYPE(method, &PyMethodDescr_Type), CALL); PyMethodDef *meth = method->d_method; DEOPT_IF(meth->ml_flags != (METH_FASTCALL|METH_KEYWORDS), CALL); PyTypeObject *d_type = method->d_common.d_type; PyObject *self = args[0]; DEOPT_IF(!Py_IS_TYPE(self, d_type), CALL); STAT_INC(CALL, hit); int nargs = total_args - 1; _PyCFunctionFastWithKeywords cfunc = (_PyCFunctionFastWithKeywords)(void(*)(void))meth->ml_meth; res = cfunc(self, args + 1, nargs, NULL); assert((res != NULL) ^ (_PyErr_Occurred(tstate) != NULL)); /* Free the arguments. */ for (int i = 0; i < total_args; i++) { Py_DECREF(args[i]); } Py_DECREF(callable); if (res == NULL) { STACK_SHRINK(oparg); goto pop_2_error; } STACK_SHRINK(oparg); STACK_SHRINK(1); stack_pointer[-1] = res; next_instr += 3; CHECK_EVAL_BREAKER(); DISPATCH(); } TARGET(CALL_METHOD_DESCRIPTOR_NOARGS) { PyObject **args; PyObject *self_or_null; PyObject *callable; PyObject *res; args = stack_pointer - oparg; self_or_null = stack_pointer[-1 - oparg]; callable = stack_pointer[-2 - oparg]; assert(oparg == 0 || oparg == 1); int total_args = oparg; if (self_or_null != NULL) { args--; total_args++; } DEOPT_IF(total_args != 1, CALL); PyMethodDescrObject *method = (PyMethodDescrObject *)callable; DEOPT_IF(!Py_IS_TYPE(method, &PyMethodDescr_Type), CALL); PyMethodDef *meth = method->d_method; PyObject *self = args[0]; DEOPT_IF(!Py_IS_TYPE(self, method->d_common.d_type), CALL); DEOPT_IF(meth->ml_flags != METH_NOARGS, CALL); STAT_INC(CALL, hit); PyCFunction cfunc = meth->ml_meth; // This is slower but CPython promises to check all non-vectorcall // function calls. if (_Py_EnterRecursiveCallTstate(tstate, " while calling a Python object")) { goto error; } 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_SHRINK(oparg); goto pop_2_error; } STACK_SHRINK(oparg); STACK_SHRINK(1); stack_pointer[-1] = res; next_instr += 3; CHECK_EVAL_BREAKER(); DISPATCH(); } TARGET(CALL_METHOD_DESCRIPTOR_FAST) { PyObject **args; PyObject *self_or_null; PyObject *callable; PyObject *res; args = stack_pointer - oparg; self_or_null = stack_pointer[-1 - oparg]; callable = stack_pointer[-2 - oparg]; int total_args = oparg; if (self_or_null != NULL) { args--; total_args++; } PyMethodDescrObject *method = (PyMethodDescrObject *)callable; /* Builtin METH_FASTCALL methods, without keywords */ DEOPT_IF(!Py_IS_TYPE(method, &PyMethodDescr_Type), CALL); PyMethodDef *meth = method->d_method; DEOPT_IF(meth->ml_flags != METH_FASTCALL, CALL); PyObject *self = args[0]; DEOPT_IF(!Py_IS_TYPE(self, method->d_common.d_type), CALL); STAT_INC(CALL, hit); _PyCFunctionFast cfunc = (_PyCFunctionFast)(void(*)(void))meth->ml_meth; int nargs = total_args - 1; res = cfunc(self, args + 1, nargs); assert((res != NULL) ^ (_PyErr_Occurred(tstate) != NULL)); /* Clear the stack of the arguments. */ for (int i = 0; i < total_args; i++) { Py_DECREF(args[i]); } Py_DECREF(callable); if (res == NULL) { STACK_SHRINK(oparg); goto pop_2_error; } STACK_SHRINK(oparg); STACK_SHRINK(1); stack_pointer[-1] = res; next_instr += 3; CHECK_EVAL_BREAKER(); DISPATCH(); } TARGET(INSTRUMENTED_CALL_KW) { int is_meth = PEEK(oparg + 2) != NULL; int total_args = oparg + is_meth; PyObject *function = PEEK(oparg + 3); PyObject *arg = total_args == 0 ? &_PyInstrumentation_MISSING : PEEK(total_args + 1); int err = _Py_call_instrumentation_2args( tstate, PY_MONITORING_EVENT_CALL, frame, next_instr - 1, function, arg); if (err) goto error; GO_TO_INSTRUCTION(CALL_KW); } TARGET(CALL_KW) { PREDICTED(CALL_KW); PyObject *kwnames; PyObject **args; PyObject *self_or_null; PyObject *callable; PyObject *res; kwnames = stack_pointer[-1]; args = stack_pointer - 1 - oparg; self_or_null = stack_pointer[-2 - oparg]; callable = stack_pointer[-3 - oparg]; // oparg counts all of the args, but *not* self: int total_args = oparg; if (self_or_null != NULL) { args--; total_args++; } if (self_or_null == NULL && Py_TYPE(callable) == &PyMethod_Type) { args--; total_args++; PyObject *self = ((PyMethodObject *)callable)->im_self; args[0] = Py_NewRef(self); PyObject *method = ((PyMethodObject *)callable)->im_func; args[-1] = Py_NewRef(method); Py_DECREF(callable); callable = method; } int positional_args = total_args - (int)PyTuple_GET_SIZE(kwnames); // Check if the call can be inlined or not if (Py_TYPE(callable) == &PyFunction_Type && tstate->interp->eval_frame == NULL && ((PyFunctionObject *)callable)->vectorcall == _PyFunction_Vectorcall) { int code_flags = ((PyCodeObject*)PyFunction_GET_CODE(callable))->co_flags; PyObject *locals = code_flags & CO_OPTIMIZED ? NULL : Py_NewRef(PyFunction_GET_GLOBALS(callable)); _PyInterpreterFrame *new_frame = _PyEvalFramePushAndInit( tstate, (PyFunctionObject *)callable, locals, args, positional_args, kwnames ); Py_DECREF(kwnames); // Manipulate stack directly since we leave using DISPATCH_INLINED(). STACK_SHRINK(oparg + 3); // The frame has stolen all the arguments from the stack, // so there is no need to clean them up. if (new_frame == NULL) { goto error; } frame->return_offset = 0; DISPATCH_INLINED(new_frame); } /* Callable is not a normal Python function */ res = PyObject_Vectorcall( callable, args, positional_args | PY_VECTORCALL_ARGUMENTS_OFFSET, kwnames); if (opcode == INSTRUMENTED_CALL_KW) { PyObject *arg = total_args == 0 ? &_PyInstrumentation_MISSING : args[0]; if (res == NULL) { _Py_call_instrumentation_exc2( tstate, PY_MONITORING_EVENT_C_RAISE, frame, next_instr-1, callable, arg); } else { int err = _Py_call_instrumentation_2args( tstate, PY_MONITORING_EVENT_C_RETURN, frame, next_instr-1, callable, arg); if (err < 0) { Py_CLEAR(res); } } } Py_DECREF(kwnames); assert((res != NULL) ^ (_PyErr_Occurred(tstate) != NULL)); Py_DECREF(callable); for (int i = 0; i < total_args; i++) { Py_DECREF(args[i]); } if (res == NULL) { STACK_SHRINK(oparg); goto pop_3_error; } STACK_SHRINK(oparg); STACK_SHRINK(2); stack_pointer[-1] = res; CHECK_EVAL_BREAKER(); DISPATCH(); } TARGET(INSTRUMENTED_CALL_FUNCTION_EX) { GO_TO_INSTRUCTION(CALL_FUNCTION_EX); } TARGET(CALL_FUNCTION_EX) { PREDICTED(CALL_FUNCTION_EX); PyObject *kwargs = NULL; PyObject *callargs; PyObject *func; PyObject *result; if (oparg & 1) { kwargs = stack_pointer[-(oparg & 1 ? 1 : 0)]; } callargs = stack_pointer[-1 - (oparg & 1 ? 1 : 0)]; func = stack_pointer[-3 - (oparg & 1 ? 1 : 0)]; // DICT_MERGE is called before this opcode if there are kwargs. // It converts all dict subtypes in kwargs into regular dicts. assert(kwargs == NULL || PyDict_CheckExact(kwargs)); if (!PyTuple_CheckExact(callargs)) { if (check_args_iterable(tstate, func, callargs) < 0) { goto error; } PyObject *tuple = PySequence_Tuple(callargs); if (tuple == NULL) { goto error; } Py_SETREF(callargs, tuple); } assert(PyTuple_CheckExact(callargs)); EVAL_CALL_STAT_INC_IF_FUNCTION(EVAL_CALL_FUNCTION_EX, func); if (opcode == INSTRUMENTED_CALL_FUNCTION_EX && !PyFunction_Check(func) && !PyMethod_Check(func) ) { PyObject *arg = PyTuple_GET_SIZE(callargs) > 0 ? PyTuple_GET_ITEM(callargs, 0) : Py_None; int err = _Py_call_instrumentation_2args( tstate, PY_MONITORING_EVENT_CALL, frame, next_instr-1, func, arg); if (err) goto error; result = PyObject_Call(func, callargs, kwargs); if (result == NULL) { _Py_call_instrumentation_exc2( tstate, PY_MONITORING_EVENT_C_RAISE, frame, next_instr-1, func, arg); } else { int err = _Py_call_instrumentation_2args( tstate, PY_MONITORING_EVENT_C_RETURN, frame, next_instr-1, func, arg); if (err < 0) { Py_CLEAR(result); } } } else { if (Py_TYPE(func) == &PyFunction_Type && tstate->interp->eval_frame == NULL && ((PyFunctionObject *)func)->vectorcall == _PyFunction_Vectorcall) { assert(PyTuple_CheckExact(callargs)); Py_ssize_t nargs = PyTuple_GET_SIZE(callargs); int code_flags = ((PyCodeObject *)PyFunction_GET_CODE(func))->co_flags; PyObject *locals = code_flags & CO_OPTIMIZED ? NULL : Py_NewRef(PyFunction_GET_GLOBALS(func)); _PyInterpreterFrame *new_frame = _PyEvalFramePushAndInit_Ex(tstate, (PyFunctionObject *)func, locals, nargs, callargs, kwargs); // Need to manually shrink the stack since we exit with DISPATCH_INLINED. STACK_SHRINK(oparg + 3); if (new_frame == NULL) { goto error; } frame->return_offset = 0; DISPATCH_INLINED(new_frame); } result = PyObject_Call(func, callargs, kwargs); } Py_DECREF(func); Py_DECREF(callargs); Py_XDECREF(kwargs); assert(PEEK(2 + (oparg & 1)) == NULL); if (result == NULL) { STACK_SHRINK(((oparg & 1) ? 1 : 0)); goto pop_3_error; } STACK_SHRINK(((oparg & 1) ? 1 : 0)); STACK_SHRINK(2); stack_pointer[-1] = result; CHECK_EVAL_BREAKER(); DISPATCH(); } TARGET(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; } _PyFunction_SetVersion( func_obj, ((PyCodeObject *)codeobj)->co_version); func = (PyObject *)func_obj; stack_pointer[-1] = func; DISPATCH(); } TARGET(SET_FUNCTION_ATTRIBUTE) { PyObject *func; PyObject *attr; func = stack_pointer[-1]; attr = stack_pointer[-2]; assert(PyFunction_Check(func)); PyFunctionObject *func_obj = (PyFunctionObject *)func; switch(oparg) { case MAKE_FUNCTION_CLOSURE: assert(func_obj->func_closure == NULL); func_obj->func_closure = attr; break; case MAKE_FUNCTION_ANNOTATIONS: assert(func_obj->func_annotations == NULL); func_obj->func_annotations = attr; break; case MAKE_FUNCTION_KWDEFAULTS: assert(PyDict_CheckExact(attr)); assert(func_obj->func_kwdefaults == NULL); func_obj->func_kwdefaults = attr; break; case MAKE_FUNCTION_DEFAULTS: assert(PyTuple_CheckExact(attr)); assert(func_obj->func_defaults == NULL); func_obj->func_defaults = attr; break; default: Py_UNREACHABLE(); } STACK_SHRINK(1); stack_pointer[-1] = func; DISPATCH(); } TARGET(RETURN_GENERATOR) { assert(PyFunction_Check(frame->f_funcobj)); PyFunctionObject *func = (PyFunctionObject *)frame->f_funcobj; PyGenObject *gen = (PyGenObject *)_Py_MakeCoro(func); if (gen == NULL) { goto error; } assert(EMPTY()); _PyFrame_SetStackPointer(frame, stack_pointer); _PyInterpreterFrame *gen_frame = (_PyInterpreterFrame *)gen->gi_iframe; _PyFrame_Copy(frame, gen_frame); assert(frame->frame_obj == NULL); gen->gi_frame_state = FRAME_CREATED; gen_frame->owner = FRAME_OWNED_BY_GENERATOR; _Py_LeaveRecursiveCallPy(tstate); assert(frame != &entry_frame); _PyInterpreterFrame *prev = frame->previous; _PyThreadState_PopFrame(tstate, frame); frame = tstate->current_frame = prev; _PyFrame_StackPush(frame, (PyObject *)gen); goto resume_frame; } TARGET(BUILD_SLICE) { PyObject *step = NULL; PyObject *stop; PyObject *start; PyObject *slice; if (oparg == 3) { step = stack_pointer[-(oparg == 3 ? 1 : 0)]; } stop = stack_pointer[-1 - (oparg == 3 ? 1 : 0)]; start = stack_pointer[-2 - (oparg == 3 ? 1 : 0)]; slice = PySlice_New(start, stop, step); Py_DECREF(start); Py_DECREF(stop); Py_XDECREF(step); if (slice == NULL) { STACK_SHRINK(((oparg == 3) ? 1 : 0)); goto pop_2_error; } STACK_SHRINK(((oparg == 3) ? 1 : 0)); STACK_SHRINK(1); stack_pointer[-1] = slice; DISPATCH(); } TARGET(CONVERT_VALUE) { PyObject *value; PyObject *result; value = stack_pointer[-1]; convertion_func_ptr conv_fn; assert(oparg >= FVC_STR && oparg <= FVC_ASCII); conv_fn = CONVERSION_FUNCTIONS[oparg]; result = conv_fn(value); Py_DECREF(value); if (result == NULL) goto pop_1_error; stack_pointer[-1] = result; DISPATCH(); } TARGET(FORMAT_SIMPLE) { PyObject *value; PyObject *res; value = stack_pointer[-1]; /* If value is a unicode object, then we know the result * of format(value) is value itself. */ if (!PyUnicode_CheckExact(value)) { res = PyObject_Format(value, NULL); Py_DECREF(value); if (res == NULL) goto pop_1_error; } else { res = value; } stack_pointer[-1] = res; DISPATCH(); } TARGET(FORMAT_WITH_SPEC) { PyObject *fmt_spec; PyObject *value; PyObject *res; fmt_spec = stack_pointer[-1]; value = stack_pointer[-2]; res = PyObject_Format(value, fmt_spec); Py_DECREF(value); Py_DECREF(fmt_spec); if (res == NULL) goto pop_2_error; STACK_SHRINK(1); stack_pointer[-1] = res; DISPATCH(); } TARGET(COPY) { PyObject *bottom; PyObject *top; bottom = stack_pointer[-1 - (oparg-1)]; assert(oparg > 0); top = Py_NewRef(bottom); STACK_GROW(1); stack_pointer[-1] = top; DISPATCH(); } TARGET(BINARY_OP) { PREDICTED(BINARY_OP); static_assert(INLINE_CACHE_ENTRIES_BINARY_OP == 1, "incorrect cache size"); PyObject *rhs; PyObject *lhs; PyObject *res; rhs = stack_pointer[-1]; lhs = stack_pointer[-2]; #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, LOCALS_ARRAY); DISPATCH_SAME_OPARG(); } STAT_INC(BINARY_OP, deferred); DECREMENT_ADAPTIVE_COUNTER(cache->counter); #endif /* ENABLE_SPECIALIZATION */ assert(NB_ADD <= oparg); assert(oparg <= NB_INPLACE_XOR); assert(_PyEval_BinaryOps[oparg]); res = _PyEval_BinaryOps[oparg](lhs, rhs); Py_DECREF(lhs); Py_DECREF(rhs); if (res == NULL) goto pop_2_error; STACK_SHRINK(1); stack_pointer[-1] = res; next_instr += 1; DISPATCH(); } TARGET(SWAP) { PyObject *top; PyObject *bottom; top = stack_pointer[-1]; bottom = stack_pointer[-2 - (oparg-2)]; assert(oparg >= 2); stack_pointer[-2 - (oparg-2)] = top; stack_pointer[-1] = bottom; DISPATCH(); } TARGET(INSTRUMENTED_INSTRUCTION) { int next_opcode = _Py_call_instrumentation_instruction( tstate, frame, next_instr-1); if (next_opcode < 0) goto error; next_instr--; if (_PyOpcode_Caches[next_opcode]) { _PyBinaryOpCache *cache = (_PyBinaryOpCache *)(next_instr+1); INCREMENT_ADAPTIVE_COUNTER(cache->counter); } assert(next_opcode > 0 && next_opcode < 256); opcode = next_opcode; DISPATCH_GOTO(); } TARGET(INSTRUMENTED_JUMP_FORWARD) { INSTRUMENTED_JUMP(next_instr-1, next_instr+oparg, PY_MONITORING_EVENT_JUMP); DISPATCH(); } TARGET(INSTRUMENTED_JUMP_BACKWARD) { CHECK_EVAL_BREAKER(); INSTRUMENTED_JUMP(next_instr-1, next_instr+1-oparg, PY_MONITORING_EVENT_JUMP); DISPATCH(); } TARGET(INSTRUMENTED_POP_JUMP_IF_TRUE) { PyObject *cond = POP(); assert(PyBool_Check(cond)); _Py_CODEUNIT *here = next_instr - 1; int flag = Py_IsTrue(cond); int offset = flag * oparg; #if ENABLE_SPECIALIZATION next_instr->cache = (next_instr->cache << 1) | flag; #endif INSTRUMENTED_JUMP(here, next_instr + offset, PY_MONITORING_EVENT_BRANCH); next_instr += 1; DISPATCH(); } TARGET(INSTRUMENTED_POP_JUMP_IF_FALSE) { PyObject *cond = POP(); assert(PyBool_Check(cond)); _Py_CODEUNIT *here = next_instr - 1; int flag = Py_IsFalse(cond); int offset = flag * oparg; #if ENABLE_SPECIALIZATION next_instr->cache = (next_instr->cache << 1) | flag; #endif INSTRUMENTED_JUMP(here, next_instr + offset, PY_MONITORING_EVENT_BRANCH); next_instr += 1; DISPATCH(); } TARGET(INSTRUMENTED_POP_JUMP_IF_NONE) { PyObject *value = POP(); _Py_CODEUNIT *here = next_instr - 1; int flag = Py_IsNone(value); int offset; if (flag) { offset = oparg; } else { Py_DECREF(value); offset = 0; } #if ENABLE_SPECIALIZATION next_instr->cache = (next_instr->cache << 1) | flag; #endif INSTRUMENTED_JUMP(here, next_instr + offset, PY_MONITORING_EVENT_BRANCH); next_instr += 1; DISPATCH(); } TARGET(INSTRUMENTED_POP_JUMP_IF_NOT_NONE) { PyObject *value = POP(); _Py_CODEUNIT *here = next_instr-1; int offset; int nflag = Py_IsNone(value); if (nflag) { offset = 0; } else { Py_DECREF(value); offset = oparg; } #if ENABLE_SPECIALIZATION next_instr->cache = (next_instr->cache << 1) | !nflag; #endif INSTRUMENTED_JUMP(here, next_instr + offset, PY_MONITORING_EVENT_BRANCH); next_instr += 1; DISPATCH(); } TARGET(EXTENDED_ARG) { assert(oparg); opcode = next_instr->op.code; oparg = oparg << 8 | next_instr->op.arg; PRE_DISPATCH_GOTO(); DISPATCH_GOTO(); } TARGET(CACHE) { assert(0 && "Executing a cache."); Py_UNREACHABLE(); } TARGET(RESERVED) { assert(0 && "Executing RESERVED instruction."); Py_UNREACHABLE(); }