use core::ffi::c_void;
#[cfg(any(doc, apple_new))]
use std::os::raw::c_int;
#[cfg(feature = "unstable-exception")]
use std::os::raw::c_uchar;
#[cfg(any(doc, apple_new))]
use crate::objc_class;
use crate::objc_object;
#[cfg(any(doc, apple_new))]
pub type objc_exception_matcher =
unsafe extern "C" fn(catch_type: *mut objc_class, exception: *mut objc_object) -> c_int;
#[cfg(any(doc, apple_new))]
pub type objc_exception_preprocessor =
unsafe extern "C" fn(exception: *mut objc_object) -> *mut objc_object;
#[cfg(any(doc, apple_new))]
pub type objc_uncaught_exception_handler = unsafe extern "C" fn(exception: *mut objc_object);
#[cfg(objfw)]
pub type objc_uncaught_exception_handler =
Option<unsafe extern "C" fn(exception: *mut objc_object)>;
#[cfg(any(doc, all(apple_new, target_os = "macos")))]
pub type objc_exception_handler =
unsafe extern "C" fn(unused: *mut objc_object, context: *mut c_void);
#[cfg(all(feature = "unstable-exception", not(feature = "unstable-c-unwind")))]
type TryCatchClosure = extern "C" fn(*mut c_void);
#[cfg(all(feature = "unstable-exception", feature = "unstable-c-unwind"))]
type TryCatchClosure = extern "C-unwind" fn(*mut c_void);
extern_c_unwind! {
pub fn objc_exception_throw(exception: *mut objc_object) -> !;
#[cfg(apple_new)]
pub fn objc_exception_rethrow() -> !;
#[cfg(gnustep)]
pub fn objc_exception_rethrow(exc_buf: *mut c_void) -> !;
}
extern_c! {
#[cfg(any(doc, gnustep, apple_new))]
pub fn objc_begin_catch(exc_buf: *mut c_void) -> *mut objc_object;
#[cfg(any(doc, gnustep, apple_new))]
pub fn objc_end_catch();
#[cfg(any(doc, apple_old))]
pub fn objc_exception_try_enter(exception_data: *const c_void);
#[cfg(any(doc, apple_old))]
pub fn objc_exception_try_exit(exception_data: *const c_void);
#[cfg(any(doc, apple_new))]
pub fn objc_setExceptionMatcher(f: objc_exception_matcher) -> objc_exception_matcher;
#[cfg(any(doc, apple_new))]
pub fn objc_setExceptionPreprocessor(
f: objc_exception_preprocessor,
) -> objc_exception_preprocessor;
#[cfg(any(doc, apple_new, objfw))]
pub fn objc_setUncaughtExceptionHandler(
f: objc_uncaught_exception_handler,
) -> objc_uncaught_exception_handler;
#[cfg(any(doc, all(apple_new, target_os = "macos")))]
pub fn objc_addExceptionHandler(f: objc_exception_handler, context: *mut c_void) -> usize;
#[cfg(any(doc, all(apple_new, target_os = "macos")))]
pub fn objc_removeExceptionHandler(token: usize);
#[cfg(feature = "unstable-exception")]
pub fn rust_objc_sys_0_2_try_catch_exception(
f: TryCatchClosure,
context: *mut c_void,
error: *mut *mut objc_object,
) -> c_uchar;
}