use crate::object::*;
use crate::pyport::Py_ssize_t;
use libc::size_t;
use std::os::raw::{c_int, c_void};
extern "C" {
#[cfg_attr(PyPy, link_name = "PyPyObject_Malloc")]
pub fn PyObject_Malloc(size: size_t) -> *mut c_void;
pub fn PyObject_Calloc(nelem: size_t, elsize: size_t) -> *mut c_void;
#[cfg_attr(PyPy, link_name = "PyPyObject_Realloc")]
pub fn PyObject_Realloc(ptr: *mut c_void, new_size: size_t) -> *mut c_void;
#[cfg_attr(PyPy, link_name = "PyPyObject_Free")]
pub fn PyObject_Free(ptr: *mut c_void);
#[cfg(not(Py_LIMITED_API))]
pub fn _Py_GetAllocatedBlocks() -> Py_ssize_t;
#[cfg_attr(PyPy, link_name = "PyPyObject_Init")]
pub fn PyObject_Init(arg1: *mut PyObject, arg2: *mut PyTypeObject) -> *mut PyObject;
#[cfg_attr(PyPy, link_name = "PyPyObject_InitVar")]
pub fn PyObject_InitVar(
arg1: *mut PyVarObject,
arg2: *mut PyTypeObject,
arg3: Py_ssize_t,
) -> *mut PyVarObject;
#[cfg_attr(PyPy, link_name = "_PyPyObject_New")]
pub fn _PyObject_New(arg1: *mut PyTypeObject) -> *mut PyObject;
#[cfg_attr(PyPy, link_name = "_PyPyObject_NewVar")]
pub fn _PyObject_NewVar(arg1: *mut PyTypeObject, arg2: Py_ssize_t) -> *mut PyVarObject;
pub fn PyGC_Collect() -> Py_ssize_t;
#[cfg(Py_3_10)]
#[cfg_attr(PyPy, link_name = "PyPyGC_Enable")]
pub fn PyGC_Enable() -> c_int;
#[cfg(Py_3_10)]
#[cfg_attr(PyPy, link_name = "PyPyGC_Disable")]
pub fn PyGC_Disable() -> c_int;
#[cfg(Py_3_10)]
#[cfg_attr(PyPy, link_name = "PyPyGC_IsEnabled")]
pub fn PyGC_IsEnabled() -> c_int;
}
#[cfg(not(any(Py_LIMITED_API, PyPy)))]
#[repr(C)]
#[derive(Copy, Clone)]
pub struct PyObjectArenaAllocator {
pub ctx: *mut c_void,
pub alloc: Option<extern "C" fn(ctx: *mut c_void, size: size_t) -> *mut c_void>,
pub free: Option<extern "C" fn(ctx: *mut c_void, ptr: *mut c_void, size: size_t)>,
}
#[cfg(not(any(Py_LIMITED_API, PyPy)))]
impl Default for PyObjectArenaAllocator {
#[inline]
fn default() -> Self {
unsafe { std::mem::zeroed() }
}
}
extern "C" {
#[cfg(not(any(Py_LIMITED_API, PyPy)))]
pub fn PyObject_GetArenaAllocator(allocator: *mut PyObjectArenaAllocator);
#[cfg(not(any(Py_LIMITED_API, PyPy)))]
pub fn PyObject_SetArenaAllocator(allocator: *mut PyObjectArenaAllocator);
}
#[inline]
pub unsafe fn PyType_IS_GC(t: *mut PyTypeObject) -> c_int {
PyType_HasFeature(t, Py_TPFLAGS_HAVE_GC)
}
#[inline]
#[cfg(not(Py_LIMITED_API))]
pub unsafe fn PyObject_IS_GC(o: *mut PyObject) -> c_int {
(PyType_IS_GC(Py_TYPE(o)) != 0
&& match (*Py_TYPE(o)).tp_is_gc {
Some(tp_is_gc) => tp_is_gc(o) != 0,
None => true,
}) as c_int
}
extern "C" {
pub fn _PyObject_GC_Resize(arg1: *mut PyVarObject, arg2: Py_ssize_t) -> *mut PyVarObject;
#[cfg(not(Py_LIMITED_API))]
pub fn _PyObject_GC_Malloc(size: size_t) -> *mut PyObject;
#[cfg(not(Py_LIMITED_API))]
pub fn _PyObject_GC_Calloc(size: size_t) -> *mut PyObject;
#[cfg_attr(PyPy, link_name = "_PyPyObject_GC_New")]
pub fn _PyObject_GC_New(arg1: *mut PyTypeObject) -> *mut PyObject;
#[cfg_attr(PyPy, link_name = "_PyPyObject_GC_NewVar")]
pub fn _PyObject_GC_NewVar(arg1: *mut PyTypeObject, arg2: Py_ssize_t) -> *mut PyVarObject;
pub fn PyObject_GC_Track(arg1: *mut c_void);
pub fn PyObject_GC_UnTrack(arg1: *mut c_void);
#[cfg_attr(PyPy, link_name = "PyPyObject_GC_Del")]
pub fn PyObject_GC_Del(arg1: *mut c_void);
}
#[inline]
#[cfg(not(Py_LIMITED_API))]
pub unsafe fn PyType_SUPPORTS_WEAKREFS(t: *mut PyTypeObject) -> c_int {
((*t).tp_weaklistoffset > 0) as c_int
}
#[inline]
#[cfg(not(Py_LIMITED_API))]
pub unsafe fn PyObject_GET_WEAKREFS_LISTPTR(o: *mut PyObject) -> *mut *mut PyObject {
let weaklistoffset = (*Py_TYPE(o)).tp_weaklistoffset;
o.offset(weaklistoffset) as *mut *mut PyObject
}