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GH-128534: Instrument branches for async for loops. (GH-130569)

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Mark Shannon 2025-02-27 09:36:41 +00:00 • committed by GitHub
parent fda056e64b
commit 2a18e80695
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11 changed files with 140 additions and 35 deletions
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12
Python/bytecodes.c
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@ -1339,7 +1339,7 @@ dummy_func(
goto exception_unwind;
}
tier1 inst(END_ASYNC_FOR, (awaitable_st, exc_st -- )) {
tier1 op(_END_ASYNC_FOR, (awaitable_st, exc_st -- )) {
PyObject *exc = PyStackRef_AsPyObjectBorrow(exc_st);
assert(exc && PyExceptionInstance_Check(exc));
@ -1355,6 +1355,16 @@ dummy_func(
}
}
tier1 op(_MONITOR_BRANCH_RIGHT, ( -- )) {
INSTRUMENTED_JUMP(prev_instr, this_instr+1, PY_MONITORING_EVENT_BRANCH_RIGHT);
}
macro(INSTRUMENTED_END_ASYNC_FOR) =
_MONITOR_BRANCH_RIGHT +
_END_ASYNC_FOR;
macro(END_ASYNC_FOR) = _END_ASYNC_FOR;
tier1 inst(CLEANUP_THROW, (sub_iter, last_sent_val, exc_value_st -- none, value)) {
PyObject *exc_value = PyStackRef_AsPyObjectBorrow(exc_value_st);
#if !Py_TAIL_CALL_INTERP