1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68

use libc::c_int;
use object::*;
use pyport::Py_ssize_t;

#[repr(C)]
#[derive(Copy, Clone)]
pub struct PyTupleObject {
    #[cfg(py_sys_config = "Py_TRACE_REFS")]
    pub _ob_next: *mut PyObject,
    #[cfg(py_sys_config = "Py_TRACE_REFS")]
    pub _ob_prev: *mut PyObject,
    pub ob_refcnt: Py_ssize_t,
    pub ob_type: *mut PyTypeObject,
    pub ob_size: Py_ssize_t,
    pub ob_item: [*mut PyObject; 1],
}

#[cfg_attr(windows, link(name = "pythonXY"))]
extern "C" {
    pub static mut PyTuple_Type: PyTypeObject;
}

#[inline(always)]
pub unsafe fn PyTuple_Check(op: *mut PyObject) -> c_int {
    PyType_FastSubclass(Py_TYPE(op), Py_TPFLAGS_TUPLE_SUBCLASS)
}

#[inline(always)]
pub unsafe fn PyTuple_CheckExact(op: *mut PyObject) -> c_int {
    let u: *mut PyTypeObject = &mut PyTuple_Type;
    (Py_TYPE(op) == u) as c_int
}

// Macro, trading safety for speed
#[inline(always)]
pub unsafe fn PyTuple_GET_ITEM(op: *mut PyObject, i: Py_ssize_t) -> *mut PyObject {
    *(*(op as *mut PyTupleObject))
        .ob_item
        .as_ptr()
        .offset(i as isize)
}

#[inline(always)]
pub unsafe fn PyTuple_GET_SIZE(op: *mut PyObject) -> Py_ssize_t {
    Py_SIZE(op)
}

/// Macro, *only* to be used to fill in brand new tuples
#[inline(always)]
pub unsafe fn PyTuple_SET_ITEM(op: *mut PyObject, i: Py_ssize_t, v: *mut PyObject) {
    *(*(op as *mut PyTupleObject))
        .ob_item
        .as_mut_ptr()
        .offset(i as isize) = v;
}

#[cfg_attr(windows, link(name = "pythonXY"))]
extern "C" {
    pub fn PyTuple_New(size: Py_ssize_t) -> *mut PyObject;
    pub fn PyTuple_Size(p: *mut PyObject) -> Py_ssize_t;
    pub fn PyTuple_GetItem(p: *mut PyObject, pos: Py_ssize_t) -> *mut PyObject;
    pub fn PyTuple_SetItem(p: *mut PyObject, pos: Py_ssize_t, o: *mut PyObject) -> c_int;
    pub fn PyTuple_GetSlice(p: *mut PyObject, low: Py_ssize_t, high: Py_ssize_t) -> *mut PyObject;
    pub fn _PyTuple_Resize(p: *mut *mut PyObject, newsize: Py_ssize_t) -> c_int;
    pub fn PyTuple_Pack(n: Py_ssize_t, ...) -> *mut PyObject;
    //pub fn _PyTuple_MaybeUntrack(arg1: *mut PyObject);
    pub fn PyTuple_ClearFreeList() -> c_int;
}