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#ifndef Py_CPYTHON_CEVAL_H
# error "this header file must not be included directly"
#endif
#ifdef __cplusplus
extern "C" {
#endif
PyAPI_DATA(int) _Py_CheckRecursionLimit;
#ifdef USE_STACKCHECK
/* With USE_STACKCHECK macro defined, trigger stack checks in
_Py_CheckRecursiveCall() on every 64th call to Py_EnterRecursiveCall. */
# define _Py_MakeRecCheck(x) \
(++(x) > _Py_CheckRecursionLimit || \
++(PyThreadState_GET()->stackcheck_counter) > 64)
#else
# define _Py_MakeRecCheck(x) (++(x) > _Py_CheckRecursionLimit)
#endif
PyAPI_FUNC(int) _Py_CheckRecursiveCall(const char *where);
#define _Py_EnterRecursiveCall_macro(where) \
(_Py_MakeRecCheck(PyThreadState_GET()->recursion_depth) && \
_Py_CheckRecursiveCall(where))
#define Py_EnterRecursiveCall(where) _Py_EnterRecursiveCall_macro(where)
/* Compute the "lower-water mark" for a recursion limit. When
* Py_LeaveRecursiveCall() is called with a recursion depth below this mark,
* the overflowed flag is reset to 0. */
#define _Py_RecursionLimitLowerWaterMark(limit) \
(((limit) > 200) \
? ((limit) - 50) \
: (3 * ((limit) >> 2)))
#define _Py_MakeEndRecCheck(x) \
(--(x) < _Py_RecursionLimitLowerWaterMark(_Py_CheckRecursionLimit))
#define _Py_LeaveRecursiveCall_macro() \
do{ if(_Py_MakeEndRecCheck(PyThreadState_GET()->recursion_depth)) \
PyThreadState_GET()->overflowed = 0; \
} while(0)
#define Py_LeaveRecursiveCall() _Py_LeaveRecursiveCall_macro()
#ifdef __cplusplus
}
#endif
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