gh-130396: Remove _Py_ReachedRecursionLimitWithMargin() function (#141951)

Move the private function to the internal C API (pycore_ceval.h).

Author: vstinner

Include/cpython/object.h

@@ -436,8 +436,6 @@ PyAPI_FUNC(void) _Py_NO_RETURN _PyObject_AssertFailed(
 PyAPI_FUNC(void) _PyTrash_thread_deposit_object(PyThreadState *tstate, PyObject *op);
 PyAPI_FUNC(void) _PyTrash_thread_destroy_chain(PyThreadState *tstate);
 
-PyAPI_FUNC(int) _Py_ReachedRecursionLimitWithMargin(PyThreadState *tstate, int margin_count);
-
 /* For backwards compatibility with the old trashcan mechanism */
 #define Py_TRASHCAN_BEGIN(op, dealloc)
 #define Py_TRASHCAN_END

Include/internal/pycore_ceval.h

@@ -263,6 +263,10 @@ static inline int _Py_ReachedRecursionLimit(PyThreadState *tstate)  {
 #endif
 }
 
+extern int _Py_ReachedRecursionLimitWithMargin(
+    PyThreadState *tstate,
+    int margin_count);
+
 static inline void _Py_LeaveRecursiveCall(void)  {
 }
 

Parser/parser.c

@@ -31,6 +31,7 @@
 
 EXTENSION_PREFIX = """\
 #include "pegen.h"
+#include "pycore_ceval.h"
 
 #if defined(Py_DEBUG) && defined(Py_BUILD_CORE)
 #  define D(x) if (p->debug) { x; }