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gh-98831: rewrite MAKE_FUNCTION and BUILD_SLICE in the instruction definition DSL (#101529)

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Irit Katriel 2023-02-03 14:40:45 +00:00 • committed by GitHub
parent 04e06e20ee
commit 433fb3ef08
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3 changed files with 53 additions and 54 deletions
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47
Python/bytecodes.c
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@ -2972,36 +2972,39 @@ dummy_func(
CHECK_EVAL_BREAKER();
}
// error: MAKE_FUNCTION has irregular stack effect
inst(MAKE_FUNCTION) {
PyObject *codeobj = POP();
PyFunctionObject *func = (PyFunctionObject *)
inst(MAKE_FUNCTION, (defaults if (oparg & 0x01),
kwdefaults if (oparg & 0x02),
annotations if (oparg & 0x04),
closure if (oparg & 0x08),
codeobj -- func)) {
PyFunctionObject *func_obj = (PyFunctionObject *)
PyFunction_New(codeobj, GLOBALS());
Py_DECREF(codeobj);
if (func == NULL) {
if (func_obj == NULL) {
goto error;
}
if (oparg & 0x08) {
assert(PyTuple_CheckExact(TOP()));
func->func_closure = POP();
assert(PyTuple_CheckExact(closure));
func_obj->func_closure = closure;
}
if (oparg & 0x04) {
assert(PyTuple_CheckExact(TOP()));
func->func_annotations = POP();
assert(PyTuple_CheckExact(annotations));
func_obj->func_annotations = annotations;
}
if (oparg & 0x02) {
assert(PyDict_CheckExact(TOP()));
func->func_kwdefaults = POP();
assert(PyDict_CheckExact(kwdefaults));
func_obj->func_kwdefaults = kwdefaults;
}
if (oparg & 0x01) {
assert(PyTuple_CheckExact(TOP()));
func->func_defaults = POP();
assert(PyTuple_CheckExact(defaults));
func_obj->func_defaults = defaults;
}
func->func_version = ((PyCodeObject *)codeobj)->co_version;
PUSH((PyObject *)func);
func_obj->func_version = ((PyCodeObject *)codeobj)->co_version;
func = (PyObject *)func_obj;
}
inst(RETURN_GENERATOR, (--)) {
@ -3027,22 +3030,12 @@ dummy_func(
goto resume_frame;
}
// error: BUILD_SLICE has irregular stack effect
inst(BUILD_SLICE) {
PyObject *start, *stop, *step, *slice;
if (oparg == 3)
step = POP();
else
step = NULL;
stop = POP();
start = TOP();
inst(BUILD_SLICE, (start, stop, step if (oparg == 3) -- slice)) {
slice = PySlice_New(start, stop, step);
Py_DECREF(start);
Py_DECREF(stop);
Py_XDECREF(step);
SET_TOP(slice);
if (slice == NULL)
goto error;
ERROR_IF(slice == NULL, error);
}
// error: FORMAT_VALUE has irregular stack effect