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Code Issues Projects Releases Packages Wiki Activity Actions 11

GH-122155: Track local variables between pops and pushes in cases generator (GH-122286)

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Mark Shannon 2024-08-01 09:27:26 +01:00 • committed by GitHub
parent 46f5a4f9e1
commit a9d56e38a0
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GPG key ID: B5690EEEBB952194
13 changed files with 463 additions and 159 deletions
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12
Python/executor_cases.c.h generated
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@ -1440,9 +1440,11 @@
case _UNPACK_SEQUENCE: {
_PyStackRef seq;
_PyStackRef *output;
oparg = CURRENT_OPARG();
seq = stack_pointer[-1];
_PyStackRef *top = stack_pointer + oparg - 1;
output = &stack_pointer[-1];
_PyStackRef *top = output + oparg;
int res = _PyEval_UnpackIterableStackRef(tstate, seq, oparg, -1, top);
PyStackRef_CLOSE(seq);
if (res == 0) JUMP_TO_ERROR();
@ -1532,14 +1534,15 @@
case _UNPACK_EX: {
_PyStackRef seq;
_PyStackRef *right;
oparg = CURRENT_OPARG();
seq = stack_pointer[-1];
int totalargs = 1 + (oparg & 0xFF) + (oparg >> 8);
_PyStackRef *top = stack_pointer + totalargs - 1;
right = &stack_pointer[(oparg & 0xFF)];
_PyStackRef *top = right + (oparg >> 8);
int res = _PyEval_UnpackIterableStackRef(tstate, seq, oparg & 0xFF, oparg >> 8, top);
PyStackRef_CLOSE(seq);
if (res == 0) JUMP_TO_ERROR();
stack_pointer += (oparg >> 8) + (oparg & 0xFF);
stack_pointer += (oparg & 0xFF) + (oparg >> 8);
assert(WITHIN_STACK_BOUNDS());
break;
}
@ -3595,6 +3598,7 @@
args = &stack_pointer[-oparg];
self_or_null = stack_pointer[-1 - oparg];
callable = stack_pointer[-2 - oparg];
args = &stack_pointer[-oparg];
if (PyStackRef_TYPE(callable) == &PyMethod_Type && PyStackRef_IsNull(self_or_null)) {
PyObject *callable_o = PyStackRef_AsPyObjectBorrow(callable);
PyObject *self = ((PyMethodObject *)callable_o)->im_self;