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pyforge_ffi/
objimpl.rs

1use libc::size_t;
2use std::ffi::{c_int, c_void};
3
4use crate::object::*;
5use crate::pyport::Py_ssize_t;
6
7extern_libpython! {
8    pub fn PyObject_Malloc(size: size_t) -> *mut c_void;
9    pub fn PyObject_Calloc(nelem: size_t, elsize: size_t) -> *mut c_void;
10    pub fn PyObject_Realloc(ptr: *mut c_void, new_size: size_t) -> *mut c_void;
11    pub fn PyObject_Free(ptr: *mut c_void);
12
13    // skipped PyObject_MALLOC
14    // skipped PyObject_REALLOC
15    // skipped PyObject_FREE
16    // skipped PyObject_Del
17    // skipped PyObject_DEL
18
19    pub fn PyObject_Init(arg1: *mut PyObject, arg2: *mut PyTypeObject) -> *mut PyObject;
20    pub fn PyObject_InitVar(
21        arg1: *mut PyVarObject,
22        arg2: *mut PyTypeObject,
23        arg3: Py_ssize_t,
24    ) -> *mut PyVarObject;
25
26    // skipped PyObject_INIT
27    // skipped PyObject_INIT_VAR
28
29    fn _PyObject_New(typeobj: *mut PyTypeObject) -> *mut PyObject;
30    fn _PyObject_NewVar(typeobj: *mut PyTypeObject, n: Py_ssize_t) -> *mut PyVarObject;
31}
32
33#[inline]
34pub unsafe fn PyObject_New<T>(typeobj: *mut PyTypeObject) -> *mut T {
35    _PyObject_New(typeobj).cast()
36}
37
38// skipped PyObject_NEW
39
40#[inline]
41pub unsafe fn PyObject_NewVar<T>(typeobj: *mut PyTypeObject, n: Py_ssize_t) -> *mut T {
42    _PyObject_NewVar(typeobj, n).cast()
43}
44
45// skipped PyObject_NEW_VAR
46
47extern_libpython! {
48    pub fn PyGC_Collect() -> Py_ssize_t;
49
50    #[cfg(Py_3_10)]
51    pub fn PyGC_Enable() -> c_int;
52
53    #[cfg(Py_3_10)]
54    pub fn PyGC_Disable() -> c_int;
55
56    #[cfg(Py_3_10)]
57    pub fn PyGC_IsEnabled() -> c_int;
58}
59
60#[inline]
61pub unsafe fn PyType_IS_GC(t: *mut PyTypeObject) -> c_int {
62    PyType_HasFeature(t, Py_TPFLAGS_HAVE_GC)
63}
64
65extern_libpython! {
66    fn _PyObject_GC_Resize(op: *mut PyVarObject, n: Py_ssize_t) -> *mut PyVarObject;
67}
68
69#[inline]
70pub unsafe fn PyObject_GC_Resize<T>(op: *mut PyObject, n: Py_ssize_t) -> *mut T {
71    _PyObject_GC_Resize(op.cast(), n).cast()
72}
73
74extern_libpython! {
75    fn _PyObject_GC_New(typeobj: *mut PyTypeObject) -> *mut PyObject;
76    fn _PyObject_GC_NewVar(typeobj: *mut PyTypeObject, n: Py_ssize_t) -> *mut PyVarObject;
77
78    pub fn PyObject_GC_Track(arg1: *mut c_void);
79
80    pub fn PyObject_GC_UnTrack(arg1: *mut c_void);
81
82    pub fn PyObject_GC_Del(arg1: *mut c_void);
83}
84
85#[inline]
86pub unsafe fn PyObject_GC_New<T>(typeobj: *mut PyTypeObject) -> *mut T {
87    _PyObject_GC_New(typeobj).cast()
88}
89
90#[inline]
91pub unsafe fn PyObject_GC_NewVar<T>(typeobj: *mut PyTypeObject, n: Py_ssize_t) -> *mut T {
92    _PyObject_GC_NewVar(typeobj, n).cast()
93}
94
95extern_libpython! {
96    #[cfg(Py_3_9)]
97    pub fn PyObject_GC_IsTracked(arg1: *mut PyObject) -> c_int;
98    #[cfg(Py_3_9)]
99    pub fn PyObject_GC_IsFinalized(arg1: *mut PyObject) -> c_int;
100}
101
102// skipped Py_VISIT