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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.
This commit is contained in:
Mark Shannon 2021-07-26 11:22:16 +01:00 • committed by GitHub
parent 0363a4014d
commit ae0a2b7562
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GPG key ID: 4AEE18F83AFDEB23
27 changed files with 1037 additions and 619 deletions
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4
Python/suggestions.c
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@ -232,7 +232,7 @@ offer_suggestions_for_name_error(PyNameErrorObject *exc)
return suggestions;
}
dir = PySequence_List(_PyFrame_GetGlobals(frame));
dir = PySequence_List(frame->f_frame->f_globals);
if (dir == NULL) {
return NULL;
}
@ -242,7 +242,7 @@ offer_suggestions_for_name_error(PyNameErrorObject *exc)
return suggestions;
}
dir = PySequence_List(_PyFrame_GetBuiltins(frame));
dir = PySequence_List(frame->f_frame->f_builtins);
if (dir == NULL) {
return NULL;
}