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bpo-45256: Don't track the exact depth of each InterpreterFrame (GH-30372)

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Brandt Bucher 2022-01-05 03:30:26 -08:00 • committed by GitHub
parent cae55542d2
commit 332e6b9725
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4 changed files with 16 additions and 17 deletions
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13
Python/ceval.c
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@ -1683,7 +1683,7 @@ _PyEval_EvalFrameDefault(PyThreadState *tstate, InterpreterFrame *frame, int thr
cframe.previous = prev_cframe;
tstate->cframe = &cframe;
assert(frame->depth == 0);
frame->is_entry = true;
/* Push frame */
frame->previous = prev_cframe->current_frame;
cframe.current_frame = frame;
@ -2310,7 +2310,6 @@ check_eval_breaker:
_PyFrame_SetStackPointer(frame, stack_pointer);
new_frame->previous = frame;
frame = cframe.current_frame = new_frame;
new_frame->depth = frame->depth + 1;
goto start_frame;
}
@ -2475,7 +2474,7 @@ check_eval_breaker:
TRACE_FUNCTION_EXIT();
DTRACE_FUNCTION_EXIT();
_Py_LeaveRecursiveCall(tstate);
if (frame->depth) {
if (!frame->is_entry) {
frame = cframe.current_frame = pop_frame(tstate, frame);
_PyFrame_StackPush(frame, retval);
goto resume_frame;
@ -2625,7 +2624,7 @@ check_eval_breaker:
}
TARGET(SEND) {
assert(frame->depth == 0);
assert(frame->is_entry);
assert(STACK_LEVEL() >= 2);
PyObject *v = POP();
PyObject *receiver = TOP();
@ -2684,7 +2683,7 @@ check_eval_breaker:
}
TARGET(YIELD_VALUE) {
assert(frame->depth == 0);
assert(frame->is_entry);
PyObject *retval = POP();
if (frame->f_code->co_flags & CO_ASYNC_GENERATOR) {
@ -4612,7 +4611,6 @@ check_eval_breaker:
_PyFrame_SetStackPointer(frame, stack_pointer);
new_frame->previous = frame;
cframe.current_frame = frame = new_frame;
new_frame->depth = frame->depth + 1;
goto start_frame;
}
}
@ -4706,7 +4704,6 @@ check_eval_breaker:
_PyFrame_SetStackPointer(frame, stack_pointer);
new_frame->previous = frame;
frame = cframe.current_frame = new_frame;
new_frame->depth = frame->depth + 1;
goto start_frame;
}
@ -5382,7 +5379,7 @@ exception_unwind:
exit_unwind:
assert(_PyErr_Occurred(tstate));
_Py_LeaveRecursiveCall(tstate);
if (frame->depth == 0) {
if (frame->is_entry) {
/* Restore previous cframe and exit */
tstate->cframe = cframe.previous;
tstate->cframe->use_tracing = cframe.use_tracing;