ambee/giterated

insanity

View files Patch

Amber - ⁨1⁩ year ago

parent: tbd commit: ⁨6ea28ab⁩

⁨giterated-abi/src/vtable/mod.rs⁩ - ⁨922⁩ bytes

Raw

1	use std::{marker::PhantomData, mem::transmute, ops::Deref};
2
3	pub mod object;
4	pub mod operation;
5	pub mod plugin;
6	pub mod plugin_initialization;
7	pub mod runtime;
8	mod setting;
9	mod value;
10
11	pub use object::*;
12	pub use setting::*;
13	pub use value::*;
14
15	pub trait ObjectABI {
16	type VTable;
17	}
18
19	#[repr(transparent)]
20	pub struct VTable<T: ObjectABI> {
21	_marker: PhantomData<T>,
22	}
23
24	impl<T: ObjectABI> VTable<T> {
25	/// Creates a new `VTable<T>` reference to a static vtable in memory.
26	///
27	/// Might be unsafe? It seems like it should be safe...
28	pub const fn new<V>(vtable: &'static V) -> &'static Self {
29	// We're going to transmute the reference to the typed vtable to us
30	// which will probably be fine
31	unsafe { transmute(vtable) }
32	}
33	}
34
35	impl<T: ObjectABI> Deref for VTable<T> {
36	type Target = T::VTable;
37
38	fn deref(&self) -> &Self::Target {
39	unsafe { transmute(self) }
40	}
41	}
42