46 lines
924 B
Rust
46 lines
924 B
Rust
//@ force-host
|
|
//@ no-prefer-dynamic
|
|
|
|
#![crate_type = "proc-macro"]
|
|
#![feature(proc_macro_quote)]
|
|
|
|
extern crate proc_macro;
|
|
|
|
use proc_macro::{quote, TokenStream};
|
|
|
|
#[proc_macro_derive(AnotherMacro, attributes(pointee))]
|
|
pub fn derive(_input: TokenStream) -> TokenStream {
|
|
quote! {
|
|
const _: () = {
|
|
const ANOTHER_MACRO_DERIVED: () = ();
|
|
};
|
|
}
|
|
.into()
|
|
}
|
|
|
|
#[proc_macro_attribute]
|
|
pub fn pointee(
|
|
_attr: proc_macro::TokenStream,
|
|
_item: proc_macro::TokenStream,
|
|
) -> proc_macro::TokenStream {
|
|
quote! {
|
|
const _: () = {
|
|
const POINTEE_MACRO_ATTR_DERIVED: () = ();
|
|
};
|
|
}
|
|
.into()
|
|
}
|
|
|
|
#[proc_macro_attribute]
|
|
pub fn default(
|
|
_attr: proc_macro::TokenStream,
|
|
_item: proc_macro::TokenStream,
|
|
) -> proc_macro::TokenStream {
|
|
quote! {
|
|
const _: () = {
|
|
const DEFAULT_MACRO_ATTR_DERIVED: () = ();
|
|
};
|
|
}
|
|
.into()
|
|
}
|