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gh-91502: Add a new API to check if a frame is an entry frame (GH-91503)

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Pablo Galindo Salgado 2022-04-13 14:06:56 +01:00 • committed by GitHub
parent 54f67ad543
commit 37a53fb6bd
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10
Include/cpython/frameobject.h
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@ -19,6 +19,16 @@ PyAPI_FUNC(PyFrameObject *) PyFrame_New(PyThreadState *, PyCodeObject *,
PyAPI_FUNC(void) PyFrame_LocalsToFast(PyFrameObject *, int); 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* obsolete or outdated.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(int) PyFrame_FastToLocalsWithError(PyFrameObject *f);
PyAPI_FUNC(void) PyFrame_FastToLocals(PyFrameObject *); PyAPI_FUNC(void) PyFrame_FastToLocals(PyFrameObject *);

2
Misc/NEWS.d/next/Core and Builtins/2022-04-13-11-15-09.gh-issue-91502.11YXHQ.rst Normal file
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@ -0,0 +1,2 @@
Add a new :c:func:`_PyFrame_IsEntryFrame` API function, to check if a
:c:type:`PyFrameObject` is an entry frame. Patch by Pablo Galindo.

8
Objects/frameobject.c
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@ -1104,6 +1104,14 @@ PyFrame_LocalsToFast(PyFrameObject *f, int clear)
} }
} }
int _PyFrame_IsEntryFrame(PyFrameObject *frame)
{
assert(frame != NULL);
return frame->f_frame->is_entry;
}
PyCodeObject * PyCodeObject *
PyFrame_GetCode(PyFrameObject *frame) PyFrame_GetCode(PyFrameObject *frame)
{ {