127 lines
3.9 KiB
C
127 lines
3.9 KiB
C
#ifndef Py_INTERNAL_CEVAL_H
|
|
#define Py_INTERNAL_CEVAL_H
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#ifndef Py_BUILD_CORE
|
|
# error "this header requires Py_BUILD_CORE define"
|
|
#endif
|
|
|
|
/* Forward declarations */
|
|
struct pyruntimestate;
|
|
struct _ceval_runtime_state;
|
|
|
|
#include "pycore_interp.h" /* PyInterpreterState.eval_frame */
|
|
|
|
extern void _Py_FinishPendingCalls(PyThreadState *tstate);
|
|
extern void _PyEval_InitRuntimeState(struct _ceval_runtime_state *);
|
|
extern int _PyEval_InitState(struct _ceval_state *ceval);
|
|
extern void _PyEval_FiniState(struct _ceval_state *ceval);
|
|
PyAPI_FUNC(void) _PyEval_SignalReceived(PyInterpreterState *interp);
|
|
PyAPI_FUNC(int) _PyEval_AddPendingCall(
|
|
PyInterpreterState *interp,
|
|
int (*func)(void *),
|
|
void *arg);
|
|
PyAPI_FUNC(void) _PyEval_SignalAsyncExc(PyThreadState *tstate);
|
|
#ifdef HAVE_FORK
|
|
extern PyStatus _PyEval_ReInitThreads(PyThreadState *tstate);
|
|
#endif
|
|
PyAPI_FUNC(void) _PyEval_SetCoroutineOriginTrackingDepth(
|
|
PyThreadState *tstate,
|
|
int new_depth);
|
|
|
|
/* Private function */
|
|
void _PyEval_Fini(void);
|
|
|
|
static inline PyObject*
|
|
_PyEval_EvalFrame(PyThreadState *tstate, PyFrameObject *f, int throwflag)
|
|
{
|
|
return tstate->interp->eval_frame(tstate, f, throwflag);
|
|
}
|
|
|
|
extern PyObject *_PyEval_EvalCode(
|
|
PyThreadState *tstate,
|
|
PyObject *_co, PyObject *globals, PyObject *locals,
|
|
PyObject *const *args, Py_ssize_t argcount,
|
|
PyObject *const *kwnames, PyObject *const *kwargs,
|
|
Py_ssize_t kwcount, int kwstep,
|
|
PyObject *const *defs, Py_ssize_t defcount,
|
|
PyObject *kwdefs, PyObject *closure,
|
|
PyObject *name, PyObject *qualname);
|
|
|
|
#ifdef EXPERIMENTAL_ISOLATED_SUBINTERPRETERS
|
|
extern int _PyEval_ThreadsInitialized(PyInterpreterState *interp);
|
|
#else
|
|
extern int _PyEval_ThreadsInitialized(struct pyruntimestate *runtime);
|
|
#endif
|
|
extern PyStatus _PyEval_InitGIL(PyThreadState *tstate);
|
|
extern void _PyEval_FiniGIL(PyThreadState *tstate);
|
|
|
|
extern void _PyEval_ReleaseLock(PyThreadState *tstate);
|
|
|
|
|
|
/* --- _Py_EnterRecursiveCall() ----------------------------------------- */
|
|
|
|
#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 > tstate->interp->ceval.recursion_limit
|
|
|| ++tstate->stackcheck_counter > 64);
|
|
}
|
|
#else
|
|
static inline int _Py_MakeRecCheck(PyThreadState *tstate) {
|
|
return (++tstate->recursion_depth > tstate->interp->ceval.recursion_limit);
|
|
}
|
|
#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. */
|
|
static inline int _Py_RecursionLimitLowerWaterMark(int limit) {
|
|
if (limit > 200) {
|
|
return (limit - 50);
|
|
}
|
|
else {
|
|
return (3 * (limit >> 2));
|
|
}
|
|
}
|
|
|
|
static inline void _Py_LeaveRecursiveCall(PyThreadState *tstate) {
|
|
tstate->recursion_depth--;
|
|
int limit = tstate->interp->ceval.recursion_limit;
|
|
if (tstate->recursion_depth < _Py_RecursionLimitLowerWaterMark(limit)) {
|
|
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
|
|
#endif /* !Py_INTERNAL_CEVAL_H */
|