gh-107149: Make PyUnstable_ExecutableKinds public

Move PyUnstable_ExecutableKinds and associated macros from the
internal C API to the public C API.

Author: vstinner

Include/cpython/pyframe.h

@@ -33,3 +33,11 @@ PyAPI_FUNC(int) PyUnstable_InterpreterFrame_GetLasti(struct _PyInterpreterFrame
 /* Returns the currently executing line number, or -1 if there is no line number.
  * Does not raise an exception. */
 PyAPI_FUNC(int) PyUnstable_InterpreterFrame_GetLine(struct _PyInterpreterFrame *frame);
+
+#define PY_EXECUTABLE_KIND_SKIP 0
+#define PY_EXECUTABLE_KIND_PY_FUNCTION 1
+#define PY_EXECUTABLE_KIND_BUILTIN_FUNCTION 3
+#define PY_EXECUTABLE_KIND_METHOD_DESCRIPTOR 4
+#define PY_EXECUTABLE_KINDS 5
+
+PyAPI_DATA(const PyTypeObject *) const PyUnstable_ExecutableKinds[PY_EXECUTABLE_KINDS+1];

Include/internal/pycore_frame.h

@@ -311,14 +311,6 @@ PyGenObject *_PyFrame_GetGenerator(_PyInterpreterFrame *frame)
     return (PyGenObject *)(((char *)frame) - offset_in_gen);
 }
 
-#define PY_EXECUTABLE_KIND_SKIP 0
-#define PY_EXECUTABLE_KIND_PY_FUNCTION 1
-#define PY_EXECUTABLE_KIND_BUILTIN_FUNCTION 3
-#define PY_EXECUTABLE_KIND_METHOD_DESCRIPTOR 4
-#define PY_EXECUTABLE_KINDS 5
-
-PyAPI_DATA(const PyTypeObject *) const PyUnstable_ExecutableKinds[PY_EXECUTABLE_KINDS+1];
-
 #ifdef __cplusplus
 }
 #endif