vidya7732/AI_Doctor_LLM_GenModel

1#ifndef Py_INTERNAL_OBJECT_H2#define Py_INTERNAL_OBJECT_H3#ifdef __cplusplus4extern "C" {5#endif6 7#ifndef Py_BUILD_CORE8#  error "this header requires Py_BUILD_CORE define"9#endif10 11#include "pycore_gc.h"         // _PyObject_GC_IS_TRACKED()12#include "pycore_interp.h"     // PyInterpreterState.gc13#include "pycore_pystate.h"    // _PyThreadState_GET()14 15PyAPI_FUNC(int) _PyType_CheckConsistency(PyTypeObject *type);16PyAPI_FUNC(int) _PyDict_CheckConsistency(PyObject *mp, int check_content);17 18/* Tell the GC to track this object.19 *20 * NB: While the object is tracked by the collector, it must be safe to call the21 * ob_traverse method.22 *23 * Internal note: interp->gc.generation0->_gc_prev doesn't have any bit flags24 * because it's not object header.  So we don't use _PyGCHead_PREV() and25 * _PyGCHead_SET_PREV() for it to avoid unnecessary bitwise operations.26 *27 * The PyObject_GC_Track() function is the public version of this macro.28 */29static inline void _PyObject_GC_TRACK_impl(const char *filename, int lineno,30                                           PyObject *op)31{32    _PyObject_ASSERT_FROM(op, !_PyObject_GC_IS_TRACKED(op),33                          "object already tracked by the garbage collector",34                          filename, lineno, "_PyObject_GC_TRACK");35 36    PyGC_Head *gc = _Py_AS_GC(op);37    _PyObject_ASSERT_FROM(op,38                          (gc->_gc_prev & _PyGC_PREV_MASK_COLLECTING) == 0,39                          "object is in generation which is garbage collected",40                          filename, lineno, "_PyObject_GC_TRACK");41 42    PyThreadState *tstate = _PyThreadState_GET();43    PyGC_Head *generation0 = tstate->interp->gc.generation0;44    PyGC_Head *last = (PyGC_Head*)(generation0->_gc_prev);45    _PyGCHead_SET_NEXT(last, gc);46    _PyGCHead_SET_PREV(gc, last);47    _PyGCHead_SET_NEXT(gc, generation0);48    generation0->_gc_prev = (uintptr_t)gc;49}50 51#define _PyObject_GC_TRACK(op) \52    _PyObject_GC_TRACK_impl(__FILE__, __LINE__, _PyObject_CAST(op))53 54/* Tell the GC to stop tracking this object.55 *56 * Internal note: This may be called while GC. So _PyGC_PREV_MASK_COLLECTING57 * must be cleared. But _PyGC_PREV_MASK_FINALIZED bit is kept.58 *59 * The object must be tracked by the GC.60 *61 * The PyObject_GC_UnTrack() function is the public version of this macro.62 */63static inline void _PyObject_GC_UNTRACK_impl(const char *filename, int lineno,64                                             PyObject *op)65{66    _PyObject_ASSERT_FROM(op, _PyObject_GC_IS_TRACKED(op),67                          "object not tracked by the garbage collector",68                          filename, lineno, "_PyObject_GC_UNTRACK");69 70    PyGC_Head *gc = _Py_AS_GC(op);71    PyGC_Head *prev = _PyGCHead_PREV(gc);72    PyGC_Head *next = _PyGCHead_NEXT(gc);73    _PyGCHead_SET_NEXT(prev, next);74    _PyGCHead_SET_PREV(next, prev);75    gc->_gc_next = 0;76    gc->_gc_prev &= _PyGC_PREV_MASK_FINALIZED;77}78 79#define _PyObject_GC_UNTRACK(op) \80    _PyObject_GC_UNTRACK_impl(__FILE__, __LINE__, _PyObject_CAST(op))81 82#ifdef Py_REF_DEBUG83extern void _PyDebug_PrintTotalRefs(void);84#endif85 86#ifdef Py_TRACE_REFS87extern void _Py_AddToAllObjects(PyObject *op, int force);88extern void _Py_PrintReferences(FILE *);89extern void _Py_PrintReferenceAddresses(FILE *);90#endif91 92static inline PyObject **93_PyObject_GET_WEAKREFS_LISTPTR(PyObject *op)94{95    Py_ssize_t offset = Py_TYPE(op)->tp_weaklistoffset;96    return (PyObject **)((char *)op + offset);97}98 99// Fast inlined version of PyType_HasFeature()100static inline int101_PyType_HasFeature(PyTypeObject *type, unsigned long feature) {102    return ((type->tp_flags & feature) != 0);103}104 105// Fast inlined version of PyObject_IS_GC()106static inline int107_PyObject_IS_GC(PyObject *obj)108{109    return (PyType_IS_GC(Py_TYPE(obj))110            && (Py_TYPE(obj)->tp_is_gc == NULL111                || Py_TYPE(obj)->tp_is_gc(obj)));112}113 114// Fast inlined version of PyType_IS_GC()115#define _PyType_IS_GC(t) _PyType_HasFeature((t), Py_TPFLAGS_HAVE_GC)116 117#ifdef __cplusplus118}119#endif120#endif /* !Py_INTERNAL_OBJECT_H */121