mirror of
https://github.com/python/cpython.git
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258 lines
8.8 KiB
C
258 lines
8.8 KiB
C
#ifndef Py_INTERNAL_CEVAL_H
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#define Py_INTERNAL_CEVAL_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef Py_BUILD_CORE
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# error "this header requires Py_BUILD_CORE define"
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#endif
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#include "dynamic_annotations.h" // _Py_ANNOTATE_RWLOCK_CREATE
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#include "pycore_interp.h" // PyInterpreterState.eval_frame
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#include "pycore_pystate.h" // _PyThreadState_GET()
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/* Forward declarations */
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struct pyruntimestate;
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struct _ceval_runtime_state;
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// Export for '_lsprof' shared extension
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PyAPI_FUNC(int) _PyEval_SetProfile(PyThreadState *tstate, Py_tracefunc func, PyObject *arg);
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extern int _PyEval_SetTrace(PyThreadState *tstate, Py_tracefunc func, PyObject *arg);
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extern int _PyEval_SetOpcodeTrace(PyFrameObject *f, bool enable);
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// Helper to look up a builtin object
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// Export for 'array' shared extension
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PyAPI_FUNC(PyObject*) _PyEval_GetBuiltin(PyObject *);
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extern PyObject* _PyEval_GetBuiltinId(_Py_Identifier *);
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extern void _PyEval_SetSwitchInterval(unsigned long microseconds);
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extern unsigned long _PyEval_GetSwitchInterval(void);
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// Export for '_queue' shared extension
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PyAPI_FUNC(int) _PyEval_MakePendingCalls(PyThreadState *);
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#ifndef Py_DEFAULT_RECURSION_LIMIT
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# define Py_DEFAULT_RECURSION_LIMIT 1000
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#endif
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extern void _Py_FinishPendingCalls(PyThreadState *tstate);
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extern void _PyEval_InitState(PyInterpreterState *);
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extern void _PyEval_SignalReceived(void);
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// bitwise flags:
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#define _Py_PENDING_MAINTHREADONLY 1
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#define _Py_PENDING_RAWFREE 2
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typedef int _Py_add_pending_call_result;
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#define _Py_ADD_PENDING_SUCCESS 0
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#define _Py_ADD_PENDING_FULL -1
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// Export for '_testinternalcapi' shared extension
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PyAPI_FUNC(_Py_add_pending_call_result) _PyEval_AddPendingCall(
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PyInterpreterState *interp,
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_Py_pending_call_func func,
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void *arg,
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int flags);
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#ifdef HAVE_FORK
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extern PyStatus _PyEval_ReInitThreads(PyThreadState *tstate);
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#endif
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// Used by sys.call_tracing()
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extern PyObject* _PyEval_CallTracing(PyObject *func, PyObject *args);
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// Used by sys.get_asyncgen_hooks()
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extern PyObject* _PyEval_GetAsyncGenFirstiter(void);
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extern PyObject* _PyEval_GetAsyncGenFinalizer(void);
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// Used by sys.set_asyncgen_hooks()
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extern int _PyEval_SetAsyncGenFirstiter(PyObject *);
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extern int _PyEval_SetAsyncGenFinalizer(PyObject *);
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// Used by sys.get_coroutine_origin_tracking_depth()
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// and sys.set_coroutine_origin_tracking_depth()
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extern int _PyEval_GetCoroutineOriginTrackingDepth(void);
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extern int _PyEval_SetCoroutineOriginTrackingDepth(int depth);
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extern void _PyEval_Fini(void);
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extern PyObject* _PyEval_GetBuiltins(PyThreadState *tstate);
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extern PyObject* _PyEval_BuiltinsFromGlobals(
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PyThreadState *tstate,
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PyObject *globals);
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// Trampoline API
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typedef struct {
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// Callback to initialize the trampoline state
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void* (*init_state)(void);
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// Callback to register every trampoline being created
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void (*write_state)(void* state, const void *code_addr,
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unsigned int code_size, PyCodeObject* code);
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// Callback to free the trampoline state
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int (*free_state)(void* state);
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} _PyPerf_Callbacks;
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extern int _PyPerfTrampoline_SetCallbacks(_PyPerf_Callbacks *);
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extern void _PyPerfTrampoline_GetCallbacks(_PyPerf_Callbacks *);
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extern int _PyPerfTrampoline_Init(int activate);
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extern int _PyPerfTrampoline_Fini(void);
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extern void _PyPerfTrampoline_FreeArenas(void);
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extern int _PyIsPerfTrampolineActive(void);
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extern PyStatus _PyPerfTrampoline_AfterFork_Child(void);
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#ifdef PY_HAVE_PERF_TRAMPOLINE
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extern _PyPerf_Callbacks _Py_perfmap_callbacks;
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extern _PyPerf_Callbacks _Py_perfmap_jit_callbacks;
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#endif
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static inline PyObject*
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_PyEval_EvalFrame(PyThreadState *tstate, struct _PyInterpreterFrame *frame, int throwflag)
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{
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EVAL_CALL_STAT_INC(EVAL_CALL_TOTAL);
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if (tstate->interp->eval_frame == NULL) {
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return _PyEval_EvalFrameDefault(tstate, frame, throwflag);
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}
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return tstate->interp->eval_frame(tstate, frame, throwflag);
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}
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extern PyObject*
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_PyEval_Vector(PyThreadState *tstate,
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PyFunctionObject *func, PyObject *locals,
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PyObject* const* args, size_t argcount,
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PyObject *kwnames);
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extern int _PyEval_ThreadsInitialized(void);
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extern void _PyEval_InitGIL(PyThreadState *tstate, int own_gil);
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extern void _PyEval_FiniGIL(PyInterpreterState *interp);
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extern void _PyEval_AcquireLock(PyThreadState *tstate);
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extern void _PyEval_ReleaseLock(PyInterpreterState *, PyThreadState *);
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extern void _PyEval_DeactivateOpCache(void);
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/* --- _Py_EnterRecursiveCall() ----------------------------------------- */
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#ifdef USE_STACKCHECK
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/* With USE_STACKCHECK macro defined, trigger stack checks in
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_Py_CheckRecursiveCall() on every 64th call to _Py_EnterRecursiveCall. */
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static inline int _Py_MakeRecCheck(PyThreadState *tstate) {
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return (tstate->c_recursion_remaining-- < 0
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|| (tstate->c_recursion_remaining & 63) == 0);
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}
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#else
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static inline int _Py_MakeRecCheck(PyThreadState *tstate) {
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return tstate->c_recursion_remaining-- < 0;
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}
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#endif
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// Export for '_json' shared extension, used via _Py_EnterRecursiveCall()
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// static inline function.
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PyAPI_FUNC(int) _Py_CheckRecursiveCall(
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PyThreadState *tstate,
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const char *where);
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int _Py_CheckRecursiveCallPy(
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PyThreadState *tstate);
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static inline int _Py_EnterRecursiveCallTstate(PyThreadState *tstate,
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const char *where) {
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return (_Py_MakeRecCheck(tstate) && _Py_CheckRecursiveCall(tstate, where));
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}
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static inline void _Py_EnterRecursiveCallTstateUnchecked(PyThreadState *tstate) {
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assert(tstate->c_recursion_remaining > 0);
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tstate->c_recursion_remaining--;
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}
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static inline int _Py_EnterRecursiveCall(const char *where) {
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PyThreadState *tstate = _PyThreadState_GET();
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return _Py_EnterRecursiveCallTstate(tstate, where);
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}
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static inline void _Py_LeaveRecursiveCallTstate(PyThreadState *tstate) {
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tstate->c_recursion_remaining++;
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}
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static inline void _Py_LeaveRecursiveCall(void) {
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PyThreadState *tstate = _PyThreadState_GET();
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_Py_LeaveRecursiveCallTstate(tstate);
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}
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extern struct _PyInterpreterFrame* _PyEval_GetFrame(void);
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PyAPI_FUNC(PyObject *)_Py_MakeCoro(PyFunctionObject *func);
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/* Handle signals, pending calls, GIL drop request
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and asynchronous exception */
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PyAPI_FUNC(int) _Py_HandlePending(PyThreadState *tstate);
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extern PyObject * _PyEval_GetFrameLocals(void);
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typedef PyObject *(*conversion_func)(PyObject *);
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PyAPI_DATA(const binaryfunc) _PyEval_BinaryOps[];
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PyAPI_DATA(const conversion_func) _PyEval_ConversionFuncs[];
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PyAPI_FUNC(int) _PyEval_CheckExceptStarTypeValid(PyThreadState *tstate, PyObject* right);
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PyAPI_FUNC(int) _PyEval_CheckExceptTypeValid(PyThreadState *tstate, PyObject* right);
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PyAPI_FUNC(int) _PyEval_ExceptionGroupMatch(PyObject* exc_value, PyObject *match_type, PyObject **match, PyObject **rest);
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PyAPI_FUNC(void) _PyEval_FormatAwaitableError(PyThreadState *tstate, PyTypeObject *type, int oparg);
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PyAPI_FUNC(void) _PyEval_FormatExcCheckArg(PyThreadState *tstate, PyObject *exc, const char *format_str, PyObject *obj);
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PyAPI_FUNC(void) _PyEval_FormatExcUnbound(PyThreadState *tstate, PyCodeObject *co, int oparg);
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PyAPI_FUNC(void) _PyEval_FormatKwargsError(PyThreadState *tstate, PyObject *func, PyObject *kwargs);
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PyAPI_FUNC(PyObject *)_PyEval_MatchClass(PyThreadState *tstate, PyObject *subject, PyObject *type, Py_ssize_t nargs, PyObject *kwargs);
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PyAPI_FUNC(PyObject *)_PyEval_MatchKeys(PyThreadState *tstate, PyObject *map, PyObject *keys);
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PyAPI_FUNC(int) _PyEval_UnpackIterable(PyThreadState *tstate, PyObject *v, int argcnt, int argcntafter, PyObject **sp);
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PyAPI_FUNC(void) _PyEval_FrameClearAndPop(PyThreadState *tstate, _PyInterpreterFrame *frame);
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/* Bits that can be set in PyThreadState.eval_breaker */
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#define _PY_GIL_DROP_REQUEST_BIT (1U << 0)
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#define _PY_SIGNALS_PENDING_BIT (1U << 1)
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#define _PY_CALLS_TO_DO_BIT (1U << 2)
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#define _PY_ASYNC_EXCEPTION_BIT (1U << 3)
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#define _PY_GC_SCHEDULED_BIT (1U << 4)
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#define _PY_EVAL_PLEASE_STOP_BIT (1U << 5)
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#define _PY_EVAL_EXPLICIT_MERGE_BIT (1U << 6)
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/* Reserve a few bits for future use */
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#define _PY_EVAL_EVENTS_BITS 8
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#define _PY_EVAL_EVENTS_MASK ((1 << _PY_EVAL_EVENTS_BITS)-1)
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static inline void
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_Py_set_eval_breaker_bit(PyThreadState *tstate, uintptr_t bit)
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{
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_Py_atomic_or_uintptr(&tstate->eval_breaker, bit);
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}
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static inline void
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_Py_unset_eval_breaker_bit(PyThreadState *tstate, uintptr_t bit)
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{
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_Py_atomic_and_uintptr(&tstate->eval_breaker, ~bit);
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}
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static inline int
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_Py_eval_breaker_bit_is_set(PyThreadState *tstate, uintptr_t bit)
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{
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uintptr_t b = _Py_atomic_load_uintptr_relaxed(&tstate->eval_breaker);
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return (b & bit) != 0;
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}
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// Free-threaded builds use these functions to set or unset a bit on all
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// threads in the given interpreter.
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void _Py_set_eval_breaker_bit_all(PyInterpreterState *interp, uintptr_t bit);
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void _Py_unset_eval_breaker_bit_all(PyInterpreterState *interp, uintptr_t bit);
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#ifdef __cplusplus
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}
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#endif
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#endif /* !Py_INTERNAL_CEVAL_H */
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