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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. */
static inline int _Py_MakeRecCheck(PyThreadState *tstate) {
return (++tstate->recursion_depth > _Py_CheckRecursionLimit
|| ++tstate->stackcheck_counter > 64);
}
#else
static inline int _Py_MakeRecCheck(PyThreadState *tstate) {
return (++tstate->recursion_depth > _Py_CheckRecursionLimit);
}
#endif
PyAPI_FUNC(int) _Py_CheckRecursiveCall(
PyThreadState *tstate,
const char *where);
static inline int _Py_EnterRecursiveCall(PyThreadState *tstate,
const char *where) {
return (_Py_MakeRecCheck(tstate) && _Py_CheckRecursiveCall(tstate, where));
}
static inline int _Py_EnterRecursiveCall_inline(const char *where) {
PyThreadState *tstate = PyThreadState_GET();
return _Py_EnterRecursiveCall(tstate, where);
}
#define Py_EnterRecursiveCall(where) _Py_EnterRecursiveCall_inline(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))
static inline void _Py_LeaveRecursiveCall(PyThreadState *tstate) {
if (_Py_MakeEndRecCheck(tstate->recursion_depth)) {
tstate->overflowed = 0;
}
}
static inline void _Py_LeaveRecursiveCall_inline(void) {
PyThreadState *tstate = PyThreadState_GET();
_Py_LeaveRecursiveCall(tstate);
}
#define Py_LeaveRecursiveCall() _Py_LeaveRecursiveCall_inline()
#ifdef __cplusplus
}
#endif
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