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Nama	Ukuran	Aksi
abstract.h	13.87 MB	View DL Edit
bytearrayobject.h	769 B	View DL Edit
bytesobject.h	4.25 MB	View DL Edit
ceval.h	1.5 MB	View DL Edit
code.h	6.83 MB	View DL Edit
dictobject.h	3.71 MB	View DL Edit
fileobject.h	721 B	View DL Edit
fileutils.h	3.91 MB	View DL Edit
frameobject.h	2.99 MB	View DL Edit
import.h	1.44 MB	View DL Edit
initconfig.h	16.58 MB	View DL Edit
interpreteridobject.h	456 B	View DL Edit
listobject.h	1.33 MB	View DL Edit
methodobject.h	1.37 MB	View DL Edit
object.h	18.9 MB	View DL Edit
objimpl.h	4.35 MB	View DL Edit
pyerrors.h	4.98 MB	View DL Edit
pylifecycle.h	2.05 MB	View DL Edit
pymem.h	3.43 MB	View DL Edit
pystate.h	9.9 MB	View DL Edit
sysmodule.h	575 B	View DL Edit
traceback.h	473 B	View DL Edit
tupleobject.h	1.01 MB	View DL Edit
unicodeobject.h	45.88 MB	View DL Edit

Edit file: /usr/include/python3.9/cpython/objimpl.h

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

#ifdef __cplusplus
extern "C" {
#endif

#define _PyObject_SIZE(typeobj) ( (typeobj)->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

#define _PyObject_VAR_SIZE(typeobj, nitems)     \
    _Py_SIZE_ROUND_UP((typeobj)->tp_basicsize + \
        (nitems)*(typeobj)->tp_itemsize,        \
        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. */

/* Inline functions trading binary compatibility for speed:
   PyObject_INIT() is the fast version of PyObject_Init(), and
   PyObject_INIT_VAR() is the fast version of PyObject_InitVar().

These inline functions must not be called with op=NULL. */
static inline PyObject*
_PyObject_INIT(PyObject *op, PyTypeObject *typeobj)
{
    assert(op != NULL);
    Py_SET_TYPE(op, typeobj);
    if (PyType_GetFlags(typeobj) & Py_TPFLAGS_HEAPTYPE) {
        Py_INCREF(typeobj);
    }
    _Py_NewReference(op);
    return op;
}

#define PyObject_INIT(op, typeobj) \
    _PyObject_INIT(_PyObject_CAST(op), (typeobj))

static inline PyVarObject*
_PyObject_INIT_VAR(PyVarObject *op, PyTypeObject *typeobj, Py_ssize_t size)
{
    assert(op != NULL);
    Py_SET_SIZE(op, size);
    PyObject_INIT((PyObject *)op, typeobj);
    return op;
}

#define PyObject_INIT_VAR(op, typeobj, size) \
    _PyObject_INIT_VAR(_PyVarObject_CAST(op), (typeobj), (size))

/* This function returns the number of allocated memory blocks, regardless of size */
PyAPI_FUNC(Py_ssize_t) _Py_GetAllocatedBlocks(void);

/* Macros */
#ifdef WITH_PYMALLOC
PyAPI_FUNC(int) _PyObject_DebugMallocStats(FILE *out);
#endif

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);

PyAPI_FUNC(Py_ssize_t) _PyGC_CollectNoFail(void);
PyAPI_FUNC(Py_ssize_t) _PyGC_CollectIfEnabled(void);

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

/* Code built with Py_BUILD_CORE must include pycore_gc.h instead which
   defines a different _PyGC_FINALIZED() macro. */
#ifndef Py_BUILD_CORE
   // Kept for backward compatibility with Python 3.8
#  define _PyGC_FINALIZED(o) PyObject_GC_IsFinalized(o)
#endif

PyAPI_FUNC(PyObject *) _PyObject_GC_Malloc(size_t size);
PyAPI_FUNC(PyObject *) _PyObject_GC_Calloc(size_t size);

/* Test if a type supports weak references */
#define PyType_SUPPORTS_WEAKREFS(t) ((t)->tp_weaklistoffset > 0)

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

#ifdef __cplusplus
}
#endif

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