objc_foundation/
macros.rs

1#[macro_export]
2macro_rules! object_struct {
3    ($name:ident) => (
4        pub struct $name {
5            _private: (),
6        }
7
8        unsafe impl ::objc::Message for $name { }
9
10        impl $crate::INSObject for $name {
11            fn class() -> &'static ::objc::runtime::Class {
12                let name = stringify!($name);
13                match ::objc::runtime::Class::get(name) {
14                    Some(cls) => cls,
15                    None => panic!("Class {} not found", name),
16                }
17            }
18        }
19
20        impl ::std::cmp::PartialEq for $name {
21            fn eq(&self, other: &Self) -> bool {
22                use $crate::INSObject;
23                self.is_equal(other)
24            }
25        }
26
27        impl ::std::cmp::Eq for $name { }
28
29        impl ::std::hash::Hash for $name {
30            fn hash<H>(&self, state: &mut H) where H: ::std::hash::Hasher {
31                use $crate::INSObject;
32                self.hash_code().hash(state);
33            }
34        }
35
36        impl ::std::fmt::Debug for $name {
37            fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
38                use $crate::{INSObject, INSString};
39                ::std::fmt::Debug::fmt(self.description().as_str(), f)
40            }
41        }
42    );
43}
44
45macro_rules! object_impl {
46    ($name:ident) => (
47        object_impl!($name,);
48    );
49    ($name:ident<$($t:ident),+>) => (
50        object_impl!($name, $($t),+);
51    );
52    ($name:ident, $($t:ident),*) => (
53        unsafe impl<$($t),*> ::objc::Message for $name<$($t),*> { }
54    );
55}