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gh-95756: Lazily created cached co_* attrs (GH-97791)

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Ken Jin 2022-10-10 20:26:08 -07:00 • committed by GitHub
parent f871e9a7bb
commit b399115ef1
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5 changed files with 82 additions and 14 deletions
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9
Include/cpython/code.h
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@ -32,6 +32,13 @@ typedef uint16_t _Py_CODEUNIT;
#define _Py_SET_OPCODE(word, opcode) \
do { ((unsigned char *)&(word))[0] = (opcode); } while (0)
typedef struct {
PyObject *_co_code;
PyObject *_co_varnames;
PyObject *_co_cellvars;
PyObject *_co_freevars;
} _PyCoCached;
// To avoid repeating ourselves in deepfreeze.py, all PyCodeObject members are
// defined in this macro:
#define _PyCode_DEF(SIZE) { \
@ -90,7 +97,7 @@ 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 */ \
PyObject *_co_code; /* cached co_code object/attribute */ \
_PyCoCached *_co_cached; /* cached co_* attributes */ \
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. \