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GH-100987: Allow non python frames in frame stack. #103010

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markshannon wants to merge 8 commits into from
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GH-100987: Allow non python frames in frame stack. #103010

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bbb99c1
Rename local variables, names and consts, from the interpeter loop. W…
markshannon Mar 9, 2023
8bee1b8
Remove unused dummy variables.
markshannon Mar 9, 2023
f1b67c2
All any object as 'code' field in PyInterpreterFrame.
markshannon Mar 10, 2023
06e914b
Allow minimal frames in frame stack.
markshannon Mar 15, 2023
3e2c3ab
Insert introspectable frames for each non-Python call from interpreter.
markshannon Mar 15, 2023
75bdd67
Merge branch 'main' into allow-non-python-frames
markshannon Mar 23, 2023
8e555ca
Fixup faulthandler test.
markshannon Mar 23, 2023
44978c1
Restore _PyFrame_IsEntryFrame API.
markshannon Mar 23, 2023
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Restore _PyFrame_IsEntryFrame API.
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@markshannon
markshannon committed Mar 23, 2023
commit 44978c158699c6be944451d43321c12f2b574a05
9 changes: 9 additions & 0 deletions Include/cpython/frameobject.h
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Expand Up @@ -15,6 +15,15 @@ PyAPI_FUNC(PyFrameObject *) PyFrame_New(PyThreadState *, PyCodeObject *,

PyAPI_FUNC(void) PyFrame_LocalsToFast(PyFrameObject *, int);

/* -- Caveat emptor --
* The concept of entry frames is an implementation detail of the CPython
* interpreter. This API is considered unstable and is provided for the
* convenience of debuggers, profilers and state-inspecting tools. Notice that
* this API can be changed in future minor versions if the underlying frame
* mechanism change or the concept of an 'entry frame' or its semantics becomes
* obsolete or outdated. */

PyAPI_FUNC(int) _PyFrame_IsEntryFrame(PyFrameObject *frame);

PyAPI_FUNC(int) PyFrame_FastToLocalsWithError(PyFrameObject *f);
PyAPI_FUNC(void) PyFrame_FastToLocals(PyFrameObject *);
9 changes: 9 additions & 0 deletions Objects/frameobject.c
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Expand Up @@ -1371,6 +1371,15 @@ PyFrame_LocalsToFast(PyFrameObject *f, int clear)
}
}

int
_PyFrame_IsEntryFrame(PyFrameObject *frame)
{
assert(frame != NULL);
_PyInterpreterFrame *f = frame->f_frame;
assert(!_PyFrame_IsIncomplete(&f->base));
return f->base.previous && f->base.previous->f_executable == Py_None;
}

PyCodeObject *
PyFrame_GetCode(PyFrameObject *frame)
{
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