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use std::any::Any;
use std::mem;
use runtime::{Class, Object, Imp, Sel};
use super::{Message, MessageArguments, MessageError, Super};
extern {
fn objc_msg_lookup(receiver: *mut Object, op: Sel) -> Imp;
fn objc_msg_lookup_super(sup: *const Super, sel: Sel) -> Imp;
}
pub unsafe fn send_unverified<T, A, R>(obj: *const T, sel: Sel, args: A)
-> Result<R, MessageError>
where T: Message, A: MessageArguments, R: Any {
if obj.is_null() {
return mem::zeroed();
}
let receiver = obj as *mut T as *mut Object;
let msg_send_fn = objc_msg_lookup(receiver, sel);
objc_try!({
A::invoke(msg_send_fn, receiver, sel, args)
})
}
pub unsafe fn send_super_unverified<T, A, R>(obj: *const T, superclass: &Class,
sel: Sel, args: A) -> Result<R, MessageError>
where T: Message, A: MessageArguments, R: Any {
let receiver = obj as *mut T as *mut Object;
let sup = Super { receiver: receiver, superclass: superclass };
let msg_send_fn = objc_msg_lookup_super(&sup, sel);
objc_try!({
A::invoke(msg_send_fn, receiver, sel, args)
})
}
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