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bpo-44590: Lazily allocate frame objects (GH-27077)

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* Convert "specials" array to InterpreterFrame struct, adding f_lasti, f_state and other non-debug FrameObject fields to it.

* Refactor, calls pushing the call to the interpreter upward toward _PyEval_Vector.

* Compute f_back when on thread stack, only filling in value when frame object outlives stack invocation.

* Move ownership of InterpreterFrame in generator from frame object to generator object.

* Do not create frame objects for Python calls.

* Do not create frame objects for generators.
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Mark Shannon 2021-07-26 11:22:16 +01:00 • committed by GitHub
parent 0363a4014d
commit ae0a2b7562
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27 changed files with 1037 additions and 619 deletions
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3
Include/internal/pycore_pystate.h
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@ -147,9 +147,6 @@ PyAPI_FUNC(int) _PyState_AddModule(
PyAPI_FUNC(int) _PyOS_InterruptOccurred(PyThreadState *tstate);
PyObject **_PyThreadState_PushLocals(PyThreadState *, int size);
void _PyThreadState_PopLocals(PyThreadState *, PyObject **);
#ifdef __cplusplus
}
#endif