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gh-93382: Cache result of PyCode_GetCode in codeobject (GH-93383)

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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 2022-06-04 00:41:18 +08:00 • committed by GitHub
parent d8f40ead92
commit d52ffc1d1f
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 21 additions and 4 deletions
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7
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;
memcpy(_PyCode_CODE(co), PyBytes_AS_STRING(con->code),
@ -1367,12 +1368,17 @@ 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 = (void *)Py_NewRef(code);
return code;
}
@ -1531,6 +1537,7 @@ 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);
}