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[3.11] gh-93382: Cache result of PyCode_GetCode in codeobject (GH-93383) (#93493)

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Co-authored-by: Kumar Aditya <59607654+kumaraditya303@users.noreply.github.com>
Co-authored-by: Dennis Sweeney <36520290+sweeneyde@users.noreply.github.com>
This commit is contained in:
Ken Jin 2022-06-24 00:24:49 +08:00 • committed by GitHub
parent 96a76141d5
commit 852b4d4bcd
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6 changed files with 543 additions and 528 deletions
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8
Objects/codeobject.c
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@ -334,6 +334,7 @@ init_code(PyCodeObject *co, struct _PyCodeConstructor *con)
/* not set */
co->co_weakreflist = NULL;
co->co_extra = NULL;
co->_co_code = NULL;
co->co_warmup = QUICKENING_INITIAL_WARMUP_VALUE;
co->_co_linearray_entry_size = 0;
@ -1421,12 +1422,17 @@ deopt_code(_Py_CODEUNIT *instructions, Py_ssize_t len)
PyObject *
_PyCode_GetCode(PyCodeObject *co)
{
if (co->_co_code != NULL) {
return Py_NewRef(co->_co_code);
}
PyObject *code = PyBytes_FromStringAndSize((const char *)_PyCode_CODE(co),
_PyCode_NBYTES(co));
if (code == NULL) {
return NULL;
}
deopt_code((_Py_CODEUNIT *)PyBytes_AS_STRING(code), Py_SIZE(co));
assert(co->_co_code == NULL);
co->_co_code = Py_NewRef(code);
return code;
}
@ -1585,6 +1591,7 @@ code_dealloc(PyCodeObject *co)
Py_XDECREF(co->co_qualname);
Py_XDECREF(co->co_linetable);
Py_XDECREF(co->co_exceptiontable);
Py_XDECREF(co->_co_code);
if (co->co_weakreflist != NULL) {
PyObject_ClearWeakRefs((PyObject*)co);
}
@ -2142,6 +2149,7 @@ _PyStaticCode_Dealloc(PyCodeObject *co)
deopt_code(_PyCode_CODE(co), Py_SIZE(co));
co->co_warmup = QUICKENING_INITIAL_WARMUP_VALUE;
PyMem_Free(co->co_extra);
Py_CLEAR(co->_co_code);
co->co_extra = NULL;
if (co->co_weakreflist != NULL) {
PyObject_ClearWeakRefs((PyObject *)co);