diff options
Diffstat (limited to 'Python/bytecodes.c')
-rw-r--r-- | Python/bytecodes.c | 139 |
1 files changed, 80 insertions, 59 deletions
diff --git a/Python/bytecodes.c b/Python/bytecodes.c index 476975d..5cd9db9 100644 --- a/Python/bytecodes.c +++ b/Python/bytecodes.c @@ -179,7 +179,7 @@ dummy_func( uintptr_t code_version = _PyFrame_GetCode(frame)->_co_instrumentation_version; if (code_version != global_version) { if (_Py_Instrument(_PyFrame_GetCode(frame), tstate->interp)) { - GOTO_ERROR(error); + ERROR_NO_POP(); } next_instr = this_instr; } @@ -206,7 +206,13 @@ dummy_func( inst(LOAD_FAST_CHECK, (-- value)) { value = GETLOCAL(oparg); - ERROR_IF(value == NULL, unbound_local_error); + if (value == NULL) { + _PyEval_FormatExcCheckArg(tstate, PyExc_UnboundLocalError, + UNBOUNDLOCAL_ERROR_MSG, + PyTuple_GetItem(_PyFrame_GetCode(frame)->co_localsplusnames, oparg) + ); + ERROR_IF(1, error); + } Py_INCREF(value); } @@ -275,7 +281,7 @@ dummy_func( if (PyGen_Check(receiver)) { PyErr_SetObject(PyExc_StopIteration, value); if (monitor_stop_iteration(tstate, frame, this_instr)) { - GOTO_ERROR(error); + ERROR_NO_POP(); } PyErr_SetRaisedException(NULL); } @@ -290,7 +296,7 @@ dummy_func( if (PyGen_Check(receiver) || PyCoro_CheckExact(receiver)) { PyErr_SetObject(PyExc_StopIteration, value); if (monitor_stop_iteration(tstate, frame, this_instr)) { - GOTO_ERROR(error); + ERROR_NO_POP(); } PyErr_SetRaisedException(NULL); } @@ -826,7 +832,7 @@ dummy_func( int err = _Py_call_instrumentation_arg( tstate, PY_MONITORING_EVENT_PY_RETURN, frame, this_instr, retval); - if (err) GOTO_ERROR(error); + if (err) ERROR_NO_POP(); STACK_SHRINK(1); assert(EMPTY()); _PyFrame_SetStackPointer(frame, stack_pointer); @@ -850,7 +856,7 @@ dummy_func( int err = _Py_call_instrumentation_arg( tstate, PY_MONITORING_EVENT_PY_RETURN, frame, this_instr, retval); - if (err) GOTO_ERROR(error); + if (err) ERROR_NO_POP(); Py_INCREF(retval); assert(EMPTY()); _PyFrame_SetStackPointer(frame, stack_pointer); @@ -906,7 +912,7 @@ dummy_func( if (PyAsyncGen_CheckExact(aiter)) { awaitable = type->tp_as_async->am_anext(aiter); if (awaitable == NULL) { - GOTO_ERROR(error); + ERROR_NO_POP(); } } else { if (type->tp_as_async != NULL){ @@ -916,7 +922,7 @@ dummy_func( if (getter != NULL) { next_iter = (*getter)(aiter); if (next_iter == NULL) { - GOTO_ERROR(error); + ERROR_NO_POP(); } } else { @@ -924,7 +930,7 @@ dummy_func( "'async for' requires an iterator with " "__anext__ method, got %.100s", type->tp_name); - GOTO_ERROR(error); + ERROR_NO_POP(); } awaitable = _PyCoro_GetAwaitableIter(next_iter); @@ -936,7 +942,7 @@ dummy_func( Py_TYPE(next_iter)->tp_name); Py_DECREF(next_iter); - GOTO_ERROR(error); + ERROR_NO_POP(); } else { Py_DECREF(next_iter); } @@ -1018,7 +1024,7 @@ dummy_func( JUMPBY(oparg); } else { - GOTO_ERROR(error); + ERROR_NO_POP(); } } Py_DECREF(v); @@ -1054,7 +1060,7 @@ dummy_func( int err = _Py_call_instrumentation_arg( tstate, PY_MONITORING_EVENT_PY_YIELD, frame, this_instr, retval); - if (err) GOTO_ERROR(error); + if (err) ERROR_NO_POP(); tstate->exc_info = gen->gi_exc_state.previous_item; gen->gi_exc_state.previous_item = NULL; _Py_LeaveRecursiveCallPy(tstate); @@ -1108,7 +1114,7 @@ dummy_func( else { assert(PyLong_Check(lasti)); _PyErr_SetString(tstate, PyExc_SystemError, "lasti is not an int"); - GOTO_ERROR(error); + ERROR_NO_POP(); } } assert(exc && PyExceptionInstance_Check(exc)); @@ -1184,7 +1190,7 @@ dummy_func( if (ns == NULL) { _PyErr_Format(tstate, PyExc_SystemError, "no locals when deleting %R", name); - GOTO_ERROR(error); + ERROR_NO_POP(); } err = PyObject_DelItem(ns, name); // Can't use ERROR_IF here. @@ -1192,7 +1198,7 @@ dummy_func( _PyEval_FormatExcCheckArg(tstate, PyExc_NameError, NAME_ERROR_MSG, name); - GOTO_ERROR(error); + ERROR_NO_POP(); } } @@ -1312,12 +1318,12 @@ dummy_func( int err = PyDict_Pop(GLOBALS(), name, NULL); // Can't use ERROR_IF here. if (err < 0) { - GOTO_ERROR(error); + ERROR_NO_POP(); } if (err == 0) { _PyEval_FormatExcCheckArg(tstate, PyExc_NameError, NAME_ERROR_MSG, name); - GOTO_ERROR(error); + ERROR_NO_POP(); } } @@ -1334,21 +1340,21 @@ dummy_func( inst(LOAD_FROM_DICT_OR_GLOBALS, (mod_or_class_dict -- v)) { PyObject *name = GETITEM(FRAME_CO_NAMES, oparg); if (PyMapping_GetOptionalItem(mod_or_class_dict, name, &v) < 0) { - GOTO_ERROR(error); + ERROR_NO_POP(); } if (v == NULL) { if (PyDict_GetItemRef(GLOBALS(), name, &v) < 0) { - GOTO_ERROR(error); + ERROR_NO_POP(); } if (v == NULL) { if (PyMapping_GetOptionalItem(BUILTINS(), name, &v) < 0) { - GOTO_ERROR(error); + ERROR_NO_POP(); } if (v == NULL) { _PyEval_FormatExcCheckArg( tstate, PyExc_NameError, NAME_ERROR_MSG, name); - GOTO_ERROR(error); + ERROR_NO_POP(); } } } @@ -1364,21 +1370,21 @@ dummy_func( } PyObject *name = GETITEM(FRAME_CO_NAMES, oparg); if (PyMapping_GetOptionalItem(mod_or_class_dict, name, &v) < 0) { - GOTO_ERROR(error); + ERROR_NO_POP(); } if (v == NULL) { if (PyDict_GetItemRef(GLOBALS(), name, &v) < 0) { - GOTO_ERROR(error); + ERROR_NO_POP(); } if (v == NULL) { if (PyMapping_GetOptionalItem(BUILTINS(), name, &v) < 0) { - GOTO_ERROR(error); + ERROR_NO_POP(); } if (v == NULL) { _PyEval_FormatExcCheckArg( tstate, PyExc_NameError, NAME_ERROR_MSG, name); - GOTO_ERROR(error); + ERROR_NO_POP(); } } } @@ -1494,7 +1500,13 @@ dummy_func( inst(DELETE_FAST, (--)) { PyObject *v = GETLOCAL(oparg); - ERROR_IF(v == NULL, unbound_local_error); + if (v == NULL) { + _PyEval_FormatExcCheckArg(tstate, PyExc_UnboundLocalError, + UNBOUNDLOCAL_ERROR_MSG, + PyTuple_GetItem(_PyFrame_GetCode(frame)->co_localsplusnames, oparg) + ); + ERROR_IF(1, error); + } SETLOCAL(oparg, NULL); } @@ -1504,7 +1516,7 @@ dummy_func( PyObject *initial = GETLOCAL(oparg); PyObject *cell = PyCell_New(initial); if (cell == NULL) { - GOTO_ERROR(error); + ERROR_NO_POP(); } SETLOCAL(oparg, cell); } @@ -1516,7 +1528,7 @@ dummy_func( // Fortunately we don't need its superpower. if (oldobj == NULL) { _PyEval_FormatExcUnbound(tstate, _PyFrame_GetCode(frame), oparg); - GOTO_ERROR(error); + ERROR_NO_POP(); } PyCell_SET(cell, NULL); Py_DECREF(oldobj); @@ -1528,14 +1540,14 @@ dummy_func( assert(oparg >= 0 && oparg < _PyFrame_GetCode(frame)->co_nlocalsplus); name = PyTuple_GET_ITEM(_PyFrame_GetCode(frame)->co_localsplusnames, oparg); if (PyMapping_GetOptionalItem(class_dict, name, &value) < 0) { - GOTO_ERROR(error); + ERROR_NO_POP(); } if (!value) { PyObject *cell = GETLOCAL(oparg); value = PyCell_GET(cell); if (value == NULL) { _PyEval_FormatExcUnbound(tstate, _PyFrame_GetCode(frame), oparg); - GOTO_ERROR(error); + ERROR_NO_POP(); } Py_INCREF(value); } @@ -1615,7 +1627,7 @@ dummy_func( inst(BUILD_SET, (values[oparg] -- set)) { set = PySet_New(NULL); if (set == NULL) - GOTO_ERROR(error); + ERROR_NO_POP(); int err = 0; for (int i = 0; i < oparg; i++) { PyObject *item = values[i]; @@ -1662,12 +1674,8 @@ dummy_func( } inst(BUILD_CONST_KEY_MAP, (values[oparg], keys -- map)) { - if (!PyTuple_CheckExact(keys) || - PyTuple_GET_SIZE(keys) != (Py_ssize_t)oparg) { - _PyErr_SetString(tstate, PyExc_SystemError, - "bad BUILD_CONST_KEY_MAP keys argument"); - GOTO_ERROR(error); // Pop the keys and values. - } + assert(PyTuple_CheckExact(keys)); + assert(PyTuple_GET_SIZE(keys) == (Py_ssize_t)oparg); map = _PyDict_FromItems( &PyTuple_GET_ITEM(keys, 0), 1, values, 1, oparg); @@ -2502,7 +2510,7 @@ dummy_func( _PyErr_SetString(tstate, PyExc_TypeError, "cannot 'yield from' a coroutine object " "in a non-coroutine generator"); - GOTO_ERROR(error); + ERROR_NO_POP(); } iter = iterable; } @@ -2513,7 +2521,7 @@ dummy_func( /* `iterable` is not a generator. */ iter = PyObject_GetIter(iterable); if (iter == NULL) { - GOTO_ERROR(error); + ERROR_NO_POP(); } DECREF_INPUTS(); } @@ -2550,7 +2558,7 @@ dummy_func( if (next == NULL) { if (_PyErr_Occurred(tstate)) { if (!_PyErr_ExceptionMatches(tstate, PyExc_StopIteration)) { - GOTO_ERROR(error); + ERROR_NO_POP(); } monitor_raise(tstate, frame, this_instr); _PyErr_Clear(tstate); @@ -2573,7 +2581,7 @@ dummy_func( if (next == NULL) { if (_PyErr_Occurred(tstate)) { if (!_PyErr_ExceptionMatches(tstate, PyExc_StopIteration)) { - GOTO_ERROR(error); + ERROR_NO_POP(); } _PyErr_Clear(tstate); } @@ -2599,7 +2607,7 @@ dummy_func( else { if (_PyErr_Occurred(tstate)) { if (!_PyErr_ExceptionMatches(tstate, PyExc_StopIteration)) { - GOTO_ERROR(error); + ERROR_NO_POP(); } monitor_raise(tstate, frame, this_instr); _PyErr_Clear(tstate); @@ -2779,7 +2787,7 @@ dummy_func( "asynchronous context manager protocol", Py_TYPE(mgr)->tp_name); } - GOTO_ERROR(error); + ERROR_NO_POP(); } exit = _PyObject_LookupSpecial(mgr, &_Py_ID(__aexit__)); if (exit == NULL) { @@ -2791,7 +2799,7 @@ dummy_func( Py_TYPE(mgr)->tp_name); } Py_DECREF(enter); - GOTO_ERROR(error); + ERROR_NO_POP(); } DECREF_INPUTS(); res = PyObject_CallNoArgs(enter); @@ -2814,7 +2822,7 @@ dummy_func( "context manager protocol", Py_TYPE(mgr)->tp_name); } - GOTO_ERROR(error); + ERROR_NO_POP(); } exit = _PyObject_LookupSpecial(mgr, &_Py_ID(__exit__)); if (exit == NULL) { @@ -2826,7 +2834,7 @@ dummy_func( Py_TYPE(mgr)->tp_name); } Py_DECREF(enter); - GOTO_ERROR(error); + ERROR_NO_POP(); } DECREF_INPUTS(); res = PyObject_CallNoArgs(enter); @@ -3075,7 +3083,7 @@ dummy_func( // The frame has stolen all the arguments from the stack, // so there is no need to clean them up. if (new_frame == NULL) { - GOTO_ERROR(error); + ERROR_NO_POP(); } frame->return_offset = (uint16_t)(next_instr - this_instr); DISPATCH_INLINED(new_frame); @@ -3298,7 +3306,7 @@ dummy_func( STAT_INC(CALL, hit); PyObject *self = _PyType_NewManagedObject(tp); if (self == NULL) { - GOTO_ERROR(error); + ERROR_NO_POP(); } Py_DECREF(tp); _PyInterpreterFrame *shim = _PyFrame_PushTrampolineUnchecked( @@ -3335,7 +3343,7 @@ dummy_func( PyErr_Format(PyExc_TypeError, "__init__() should return None, not '%.200s'", Py_TYPE(should_be_none)->tp_name); - GOTO_ERROR(error); + ERROR_NO_POP(); } } @@ -3472,7 +3480,7 @@ dummy_func( PyObject *arg = args[0]; Py_ssize_t len_i = PyObject_Length(arg); if (len_i < 0) { - GOTO_ERROR(error); + ERROR_NO_POP(); } res = PyLong_FromSsize_t(len_i); assert((res != NULL) ^ (_PyErr_Occurred(tstate) != NULL)); @@ -3498,7 +3506,7 @@ dummy_func( PyObject *inst = args[0]; int retval = PyObject_IsInstance(inst, cls); if (retval < 0) { - GOTO_ERROR(error); + ERROR_NO_POP(); } res = PyBool_FromLong(retval); assert((res != NULL) ^ (_PyErr_Occurred(tstate) != NULL)); @@ -3712,7 +3720,7 @@ dummy_func( // The frame has stolen all the arguments from the stack, // so there is no need to clean them up. if (new_frame == NULL) { - GOTO_ERROR(error); + ERROR_NO_POP(); } assert(next_instr - this_instr == 1); frame->return_offset = 1; @@ -3760,11 +3768,11 @@ dummy_func( assert(kwargs == NULL || PyDict_CheckExact(kwargs)); if (!PyTuple_CheckExact(callargs)) { if (check_args_iterable(tstate, func, callargs) < 0) { - GOTO_ERROR(error); + ERROR_NO_POP(); } PyObject *tuple = PySequence_Tuple(callargs); if (tuple == NULL) { - GOTO_ERROR(error); + ERROR_NO_POP(); } Py_SETREF(callargs, tuple); } @@ -3776,7 +3784,7 @@ dummy_func( int err = _Py_call_instrumentation_2args( tstate, PY_MONITORING_EVENT_CALL, frame, this_instr, func, arg); - if (err) GOTO_ERROR(error); + if (err) ERROR_NO_POP(); result = PyObject_Call(func, callargs, kwargs); if (!PyFunction_Check(func) && !PyMethod_Check(func)) { @@ -3810,7 +3818,7 @@ dummy_func( // Need to manually shrink the stack since we exit with DISPATCH_INLINED. STACK_SHRINK(oparg + 3); if (new_frame == NULL) { - GOTO_ERROR(error); + ERROR_NO_POP(); } assert(next_instr - this_instr == 1); frame->return_offset = 1; @@ -3831,7 +3839,7 @@ dummy_func( Py_DECREF(codeobj); if (func_obj == NULL) { - GOTO_ERROR(error); + ERROR_NO_POP(); } _PyFunction_SetVersion( @@ -3871,7 +3879,7 @@ dummy_func( PyFunctionObject *func = (PyFunctionObject *)frame->f_funcobj; PyGenObject *gen = (PyGenObject *)_Py_MakeCoro(func); if (gen == NULL) { - GOTO_ERROR(error); + ERROR_NO_POP(); } assert(EMPTY()); _PyFrame_SetStackPointer(frame, stack_pointer); @@ -4169,7 +4177,7 @@ dummy_func( if (optimized < 0) { Py_DECREF(previous); tstate->previous_executor = Py_None; - ERROR_IF(1, error); + GOTO_UNWIND(); } GOTO_TIER_ONE(target); } @@ -4199,6 +4207,19 @@ dummy_func( frame->instr_ptr = (_Py_CODEUNIT *)instr_ptr; } + tier2 op(_DEOPT, (--)) { + EXIT_TO_TIER1(); + } + + tier2 op(_SIDE_EXIT, (--)) { + EXIT_TO_TRACE(); + } + + tier2 op(_ERROR_POP_N, (unused[oparg] --)) { + SYNC_SP(); + GOTO_UNWIND(); + } + // END BYTECODES // } |