FM / cpython

/opt/imh/python3.13/include/python3.13/cpython/

/opt/imh/python3.13/include/python3.13/cpython

Name	Size	Mode	Actions
abstract.h	3399	0644	edit dl rm
bytearrayobject.h	1163	0644	edit dl rm
bytesobject.h	1180	0644	edit dl rm
cellobject.h	1076	0644	edit dl rm
ceval.h	1115	0644	edit dl rm
classobject.h	2245	0644	edit dl rm
code.h	15207	0644	edit dl rm
compile.h	2121	0644	edit dl rm
complexobject.h	909	0644	edit dl rm
context.h	1837	0644	edit dl rm
critical_section.h	5588	0644	edit dl rm
descrobject.h	1593	0644	edit dl rm
dictobject.h	3870	0644	edit dl rm
fileobject.h	652	0644	edit dl rm
fileutils.h	232	0644	edit dl rm
floatobject.h	900	0644	edit dl rm
frameobject.h	1199	0644	edit dl rm
funcobject.h	7049	0644	edit dl rm
genobject.h	2997	0644	edit dl rm
import.h	725	0644	edit dl rm
initconfig.h	8197	0644	edit dl rm
listobject.h	1801	0644	edit dl rm
lock.h	1763	0644	edit dl rm
longintrepr.h	5119	0644	edit dl rm
longobject.h	5583	0644	edit dl rm
memoryobject.h	2223	0644	edit dl rm
methodobject.h	2276	0644	edit dl rm
modsupport.h	1042	0644	edit dl rm
monitoring.h	7704	0644	edit dl rm
object.h	19074	0644	edit dl rm
objimpl.h	3820	0644	edit dl rm
odictobject.h	1311	0644	edit dl rm
picklebufobject.h	848	0644	edit dl rm
pthread_stubs.h	3926	0644	edit dl rm
pyatomic.h	16506	0644	edit dl rm
pyatomic_gcc.h	19131	0644	edit dl rm
pyatomic_msc.h	29241	0644	edit dl rm
pyatomic_std.h	24336	0644	edit dl rm
pyctype.h	1387	0644	edit dl rm
pydebug.h	1413	0644	edit dl rm
pyerrors.h	2908	0644	edit dl rm
pyfpe.h	444	0644	edit dl rm
pyframe.h	1947	0644	edit dl rm
pyhash.h	1382	0644	edit dl rm
pylifecycle.h	2817	0644	edit dl rm
pymem.h	2843	0644	edit dl rm
pystate.h	9465	0644	edit dl rm
pystats.h	5434	0644	edit dl rm
pythonrun.h	4327	0644	edit dl rm
pythread.h	1510	0644	edit dl rm
pytime.h	707	0644	edit dl rm
setobject.h	2046	0644	edit dl rm
sysmodule.h	775	0644	edit dl rm
traceback.h	282	0644	edit dl rm
tracemalloc.h	823	0644	edit dl rm
tupleobject.h	1329	0644	edit dl rm
unicodeobject.h	25074	0644	edit dl rm
warnings.h	695	0644	edit dl rm
weakrefobject.h	2249	0644	edit dl rm

Edit: /opt/imh/python3.13/include/python3.13/cpython/objimpl.h (3820B)

#ifndef Py_CPYTHON_OBJIMPL_H
#  error "this header file must not be included directly"
#endif

static inline size_t _PyObject_SIZE(PyTypeObject *type) {
    return _Py_STATIC_CAST(size_t, type->tp_basicsize);
}

/* _PyObject_VAR_SIZE returns the number of bytes (as size_t) allocated for a
   vrbl-size object with nitems items, exclusive of gc overhead (if any).  The
   value is rounded up to the closest multiple of sizeof(void *), in order to
   ensure that pointer fields at the end of the object are correctly aligned
   for the platform (this is of special importance for subclasses of, e.g.,
   str or int, so that pointers can be stored after the embedded data).

Note that there's no memory wastage in doing this, as malloc has to
   return (at worst) pointer-aligned memory anyway.
*/
#if ((SIZEOF_VOID_P - 1) & SIZEOF_VOID_P) != 0
#   error "_PyObject_VAR_SIZE requires SIZEOF_VOID_P be a power of 2"
#endif

static inline size_t _PyObject_VAR_SIZE(PyTypeObject *type, Py_ssize_t nitems) {
    size_t size = _Py_STATIC_CAST(size_t, type->tp_basicsize);
    size += _Py_STATIC_CAST(size_t, nitems) * _Py_STATIC_CAST(size_t, type->tp_itemsize);
    return _Py_SIZE_ROUND_UP(size, SIZEOF_VOID_P);
}

/* This example code implements an object constructor with a custom
   allocator, where PyObject_New is inlined, and shows the important
   distinction between two steps (at least):
       1) the actual allocation of the object storage;
       2) the initialization of the Python specific fields
      in this storage with PyObject_{Init, InitVar}.

PyObject *
   YourObject_New(...)
   {
       PyObject *op;

op = (PyObject *) Your_Allocator(_PyObject_SIZE(YourTypeStruct));
       if (op == NULL) {
           return PyErr_NoMemory();
       }

PyObject_Init(op, &YourTypeStruct);

op->ob_field = value;
       ...
       return op;
   }

Note that in C++, the use of the new operator usually implies that
   the 1st step is performed automatically for you, so in a C++ class
   constructor you would start directly with PyObject_Init/InitVar. */

typedef struct {
    /* user context passed as the first argument to the 2 functions */
    void *ctx;

/* allocate an arena of size bytes */
    void* (*alloc) (void *ctx, size_t size);

/* free an arena */
    void (*free) (void *ctx, void *ptr, size_t size);
} PyObjectArenaAllocator;

/* Get the arena allocator. */
PyAPI_FUNC(void) PyObject_GetArenaAllocator(PyObjectArenaAllocator *allocator);

/* Set the arena allocator. */
PyAPI_FUNC(void) PyObject_SetArenaAllocator(PyObjectArenaAllocator *allocator);

/* Test if an object implements the garbage collector protocol */
PyAPI_FUNC(int) PyObject_IS_GC(PyObject *obj);

// Test if a type supports weak references
PyAPI_FUNC(int) PyType_SUPPORTS_WEAKREFS(PyTypeObject *type);

PyAPI_FUNC(PyObject **) PyObject_GET_WEAKREFS_LISTPTR(PyObject *op);

PyAPI_FUNC(PyObject *) PyUnstable_Object_GC_NewWithExtraData(PyTypeObject *,
                                                             size_t);

/* Visit all live GC-capable objects, similar to gc.get_objects(None). The
 * supplied callback is called on every such object with the void* arg set
 * to the supplied arg. Returning 0 from the callback ends iteration, returning
 * 1 allows iteration to continue. Returning any other value may result in
 * undefined behaviour.
 *
 * If new objects are (de)allocated by the callback it is undefined if they
 * will be visited.

* Garbage collection is disabled during operation. Explicitly running a
 * collection in the callback may lead to undefined behaviour e.g. visiting the
 * same objects multiple times or not at all.
 */
typedef int (*gcvisitobjects_t)(PyObject*, void*);
PyAPI_FUNC(void) PyUnstable_GC_VisitObjects(gcvisitobjects_t callback, void* arg);

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