Mercurial > repos > rliterman > csp2
diff CSP2/CSP2_env/env-d9b9114564458d9d-741b3de822f2aaca6c6caa4325c4afce/include/python3.8/ceval.h @ 69:33d812a61356
planemo upload commit 2e9511a184a1ca667c7be0c6321a36dc4e3d116d
author | jpayne |
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date | Tue, 18 Mar 2025 17:55:14 -0400 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/CSP2/CSP2_env/env-d9b9114564458d9d-741b3de822f2aaca6c6caa4325c4afce/include/python3.8/ceval.h Tue Mar 18 17:55:14 2025 -0400 @@ -0,0 +1,231 @@ +#ifndef Py_CEVAL_H +#define Py_CEVAL_H +#ifdef __cplusplus +extern "C" { +#endif + + +/* Interface to random parts in ceval.c */ + +/* PyEval_CallObjectWithKeywords(), PyEval_CallObject(), PyEval_CallFunction + * and PyEval_CallMethod are kept for backward compatibility: PyObject_Call(), + * PyObject_CallFunction() and PyObject_CallMethod() are recommended to call + * a callable object. + */ + +PyAPI_FUNC(PyObject *) PyEval_CallObjectWithKeywords( + PyObject *callable, + PyObject *args, + PyObject *kwargs); + +/* Inline this */ +#define PyEval_CallObject(callable, arg) \ + PyEval_CallObjectWithKeywords(callable, arg, (PyObject *)NULL) + +PyAPI_FUNC(PyObject *) PyEval_CallFunction(PyObject *callable, + const char *format, ...); +PyAPI_FUNC(PyObject *) PyEval_CallMethod(PyObject *obj, + const char *name, + const char *format, ...); + +#ifndef Py_LIMITED_API +PyAPI_FUNC(void) PyEval_SetProfile(Py_tracefunc, PyObject *); +PyAPI_FUNC(void) PyEval_SetTrace(Py_tracefunc, PyObject *); +PyAPI_FUNC(void) _PyEval_SetCoroutineOriginTrackingDepth(int new_depth); +PyAPI_FUNC(int) _PyEval_GetCoroutineOriginTrackingDepth(void); +PyAPI_FUNC(void) _PyEval_SetAsyncGenFirstiter(PyObject *); +PyAPI_FUNC(PyObject *) _PyEval_GetAsyncGenFirstiter(void); +PyAPI_FUNC(void) _PyEval_SetAsyncGenFinalizer(PyObject *); +PyAPI_FUNC(PyObject *) _PyEval_GetAsyncGenFinalizer(void); +#endif + +struct _frame; /* Avoid including frameobject.h */ + +PyAPI_FUNC(PyObject *) PyEval_GetBuiltins(void); +PyAPI_FUNC(PyObject *) PyEval_GetGlobals(void); +PyAPI_FUNC(PyObject *) PyEval_GetLocals(void); +PyAPI_FUNC(struct _frame *) PyEval_GetFrame(void); + +#ifndef Py_LIMITED_API +/* Helper to look up a builtin object */ +PyAPI_FUNC(PyObject *) _PyEval_GetBuiltinId(_Py_Identifier *); +/* Look at the current frame's (if any) code's co_flags, and turn on + the corresponding compiler flags in cf->cf_flags. Return 1 if any + flag was set, else return 0. */ +PyAPI_FUNC(int) PyEval_MergeCompilerFlags(PyCompilerFlags *cf); +#endif + +PyAPI_FUNC(int) Py_AddPendingCall(int (*func)(void *), void *arg); +PyAPI_FUNC(int) Py_MakePendingCalls(void); + +/* Protection against deeply nested recursive calls + + In Python 3.0, this protection has two levels: + * normal anti-recursion protection is triggered when the recursion level + exceeds the current recursion limit. It raises a RecursionError, and sets + the "overflowed" flag in the thread state structure. This flag + temporarily *disables* the normal protection; this allows cleanup code + to potentially outgrow the recursion limit while processing the + RecursionError. + * "last chance" anti-recursion protection is triggered when the recursion + level exceeds "current recursion limit + 50". By construction, this + protection can only be triggered when the "overflowed" flag is set. It + means the cleanup code has itself gone into an infinite loop, or the + RecursionError has been mistakingly ignored. When this protection is + triggered, the interpreter aborts with a Fatal Error. + + In addition, the "overflowed" flag is automatically reset when the + recursion level drops below "current recursion limit - 50". This heuristic + is meant to ensure that the normal anti-recursion protection doesn't get + disabled too long. + + Please note: this scheme has its own limitations. See: + http://mail.python.org/pipermail/python-dev/2008-August/082106.html + for some observations. +*/ +PyAPI_FUNC(void) Py_SetRecursionLimit(int); +PyAPI_FUNC(int) Py_GetRecursionLimit(void); + +#define Py_EnterRecursiveCall(where) \ + (_Py_MakeRecCheck(PyThreadState_GET()->recursion_depth) && \ + _Py_CheckRecursiveCall(where)) +#define Py_LeaveRecursiveCall() \ + do{ if(_Py_MakeEndRecCheck(PyThreadState_GET()->recursion_depth)) \ + PyThreadState_GET()->overflowed = 0; \ + } while(0) +PyAPI_FUNC(int) _Py_CheckRecursiveCall(const char *where); + +/* Due to the macros in which it's used, _Py_CheckRecursionLimit is in + the stable ABI. It should be removed therefrom when possible. +*/ +PyAPI_DATA(int) _Py_CheckRecursionLimit; + +#ifdef USE_STACKCHECK +/* With USE_STACKCHECK, 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 + +/* 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_ALLOW_RECURSION \ + do { unsigned char _old = PyThreadState_GET()->recursion_critical;\ + PyThreadState_GET()->recursion_critical = 1; + +#define Py_END_ALLOW_RECURSION \ + PyThreadState_GET()->recursion_critical = _old; \ + } while(0); + +PyAPI_FUNC(const char *) PyEval_GetFuncName(PyObject *); +PyAPI_FUNC(const char *) PyEval_GetFuncDesc(PyObject *); + +PyAPI_FUNC(PyObject *) PyEval_EvalFrame(struct _frame *); +PyAPI_FUNC(PyObject *) PyEval_EvalFrameEx(struct _frame *f, int exc); +#ifndef Py_LIMITED_API +PyAPI_FUNC(PyObject *) _PyEval_EvalFrameDefault(struct _frame *f, int exc); +#endif + +/* Interface for threads. + + A module that plans to do a blocking system call (or something else + that lasts a long time and doesn't touch Python data) can allow other + threads to run as follows: + + ...preparations here... + Py_BEGIN_ALLOW_THREADS + ...blocking system call here... + Py_END_ALLOW_THREADS + ...interpret result here... + + The Py_BEGIN_ALLOW_THREADS/Py_END_ALLOW_THREADS pair expands to a + {}-surrounded block. + To leave the block in the middle (e.g., with return), you must insert + a line containing Py_BLOCK_THREADS before the return, e.g. + + if (...premature_exit...) { + Py_BLOCK_THREADS + PyErr_SetFromErrno(PyExc_OSError); + return NULL; + } + + An alternative is: + + Py_BLOCK_THREADS + if (...premature_exit...) { + PyErr_SetFromErrno(PyExc_OSError); + return NULL; + } + Py_UNBLOCK_THREADS + + For convenience, that the value of 'errno' is restored across + Py_END_ALLOW_THREADS and Py_BLOCK_THREADS. + + WARNING: NEVER NEST CALLS TO Py_BEGIN_ALLOW_THREADS AND + Py_END_ALLOW_THREADS!!! + + The function PyEval_InitThreads() should be called only from + init_thread() in "_threadmodule.c". + + Note that not yet all candidates have been converted to use this + mechanism! +*/ + +PyAPI_FUNC(PyThreadState *) PyEval_SaveThread(void); +PyAPI_FUNC(void) PyEval_RestoreThread(PyThreadState *); + +PyAPI_FUNC(int) PyEval_ThreadsInitialized(void); +PyAPI_FUNC(void) PyEval_InitThreads(void); +Py_DEPRECATED(3.2) PyAPI_FUNC(void) PyEval_AcquireLock(void); +/* Py_DEPRECATED(3.2) */ PyAPI_FUNC(void) PyEval_ReleaseLock(void); +PyAPI_FUNC(void) PyEval_AcquireThread(PyThreadState *tstate); +PyAPI_FUNC(void) PyEval_ReleaseThread(PyThreadState *tstate); + +#ifndef Py_LIMITED_API +PyAPI_FUNC(void) _PyEval_SetSwitchInterval(unsigned long microseconds); +PyAPI_FUNC(unsigned long) _PyEval_GetSwitchInterval(void); +#endif + +#ifndef Py_LIMITED_API +PyAPI_FUNC(Py_ssize_t) _PyEval_RequestCodeExtraIndex(freefunc); +#endif + +#define Py_BEGIN_ALLOW_THREADS { \ + PyThreadState *_save; \ + _save = PyEval_SaveThread(); +#define Py_BLOCK_THREADS PyEval_RestoreThread(_save); +#define Py_UNBLOCK_THREADS _save = PyEval_SaveThread(); +#define Py_END_ALLOW_THREADS PyEval_RestoreThread(_save); \ + } + +#ifndef Py_LIMITED_API +PyAPI_FUNC(int) _PyEval_SliceIndex(PyObject *, Py_ssize_t *); +PyAPI_FUNC(int) _PyEval_SliceIndexNotNone(PyObject *, Py_ssize_t *); +#endif + +/* Masks and values used by FORMAT_VALUE opcode. */ +#define FVC_MASK 0x3 +#define FVC_NONE 0x0 +#define FVC_STR 0x1 +#define FVC_REPR 0x2 +#define FVC_ASCII 0x3 +#define FVS_MASK 0x4 +#define FVS_HAVE_SPEC 0x4 + +#ifdef __cplusplus +} +#endif +#endif /* !Py_CEVAL_H */