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gh-141004: Document unstable executable kind macros in pyframe.h #143490

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Merge branch 'main' into doc-pyframe-unstable
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60 changes: 60 additions & 0 deletions Doc/c-api/frame.rst
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Expand Up @@ -250,3 +250,63 @@ Unless using :pep:`523`, you will not need this.
.. versionadded:: 3.12


.. c:type:: PyUnstable_ExecutableKinds

An array of executable kinds (executor types) for frames, used for internal
debugging and tracing.

Tools like debuggers and profilers can use this to identify the type of execution
context associated with a frame (For example: to filter out internal frames).
The entries are indexed by the following constants:

.. list-table::
:header-rows: 1
:widths: auto

* - Constant
- Description
* - .. c:macro:: PyUnstable_EXECUTABLE_KIND_SKIP
- The frame is internal (For example: inlined) and should be skipped by tools.
* - .. c:macro:: PyUnstable_EXECUTABLE_KIND_PY_FUNCTION
- The frame corresponds to a standard Python function.

Example usage:

.. code-block:: c

// Check if a frame should be skipped
if (kind == PyUnstable_EXECUTABLE_KIND_SKIP) {
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@encukou encukou Jan 30, 2026

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What is kind? How do you get it?

// This is an internal frame (like a Tier 2 optimizer frame)
// Tools should ignore it.
continue;
}

.. versionadded:: 3.13


.. c:macro:: PyUnstable_EXECUTABLE_KIND_PY_FUNCTION

Index for the "Python function" kind in ``PyUnstable_ExecutableKinds``.
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@ZeroIntensity ZeroIntensity Jan 8, 2026

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These should be links via :c:data:`PyUnstable_ExecutableKinds`


.. versionadded:: 3.13


.. c:macro:: PyUnstable_EXECUTABLE_KIND_BUILTIN_FUNCTION

Index for the "built-in function" kind in ``PyUnstable_ExecutableKinds``.

.. versionadded:: 3.13


.. c:macro:: PyUnstable_EXECUTABLE_KIND_METHOD_DESCRIPTOR

Index for the "method descriptor" kind in ``PyUnstable_ExecutableKinds``.

.. versionadded:: 3.13


.. c:macro:: PyUnstable_EXECUTABLE_KINDS

The number of entries in ``PyUnstable_ExecutableKinds``.

.. versionadded:: 3.13
6 changes: 0 additions & 6 deletions Tools/check-c-api-docs/ignored_c_api.txt
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Expand Up @@ -75,12 +75,6 @@ Py_UniversalNewlineFgets
PyUnstable_CopyPerfMapFile
PyUnstable_PerfTrampoline_CompileCode
PyUnstable_PerfTrampoline_SetPersistAfterFork
# cpython/pyframe.h
PyUnstable_EXECUTABLE_KINDS
PyUnstable_EXECUTABLE_KIND_BUILTIN_FUNCTION
PyUnstable_EXECUTABLE_KIND_METHOD_DESCRIPTOR
PyUnstable_EXECUTABLE_KIND_PY_FUNCTION
PyUnstable_EXECUTABLE_KIND_SKIP
# cpython/pylifecycle.h
Py_FrozenMain
# pythonrun.h
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