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gh-93382: Sync up `co_code` changes with 3.11 (GH-94227) 

Sync up co_code changes with 3.11 commit 852b4d4bcd.
This commit is contained in:
Ken Jin 2022-06-25 01:55:18 +08:00 committed by GitHub
parent a91ffcf3fa
commit 50a5ab2c0b
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4 changed files with 5 additions and 3 deletions
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2
Include/cpython/code.h
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@ -90,7 +90,7 @@ typedef uint16_t _Py_CODEUNIT;
PyObject *co_qualname; /* unicode (qualname, for reference) */ \
PyObject *co_linetable; /* bytes object that holds location info */ \
PyObject *co_weakreflist; /* to support weakrefs to code objects */ \
void *_co_code; /* cached co_code object/attribute */ \
PyObject *_co_code; /* cached co_code object/attribute */ \
int _co_firsttraceable; /* index of first traceable instruction */ \
char *_co_linearray; /* array of line offsets */ \
/* Scratch space for extra data relating to the code object. \

3
Misc/NEWS.d/next/Core and Builtins/2022-05-31-16-36-30.gh-issue-93382.Jf6gAj.rst
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@ -1 +1,2 @@
Speed up the :c:func:`PyCode_GetCode` function which also improves accessing the :attr:`~types.CodeType.co_code` attribute in Python.
Cache the result of :c:func:`PyCode_GetCode` function to restore the O(1)
lookup of the :attr:`~types.CodeType.co_code` attribute.

2
Objects/codeobject.c
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@ -1440,7 +1440,7 @@ _PyCode_GetCode(PyCodeObject *co)
}
deopt_code((_Py_CODEUNIT *)PyBytes_AS_STRING(code), Py_SIZE(co));
assert(co->_co_code == NULL);
co->_co_code = (void *)Py_NewRef(code);
co->_co_code = Py_NewRef(code);
return code;
}

1
Tools/scripts/deepfreeze.py
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@ -274,6 +274,7 @@ class Printer:
self.write(f".co_name = {co_name},")
self.write(f".co_qualname = {co_qualname},")
self.write(f".co_linetable = {co_linetable},")
self.write(f"._co_code = NULL,")
self.write("._co_linearray = NULL,")
self.write(f".co_code_adaptive = {co_code_adaptive},")
for i, op in enumerate(code.co_code[::2]):