d8974e7c3d
What is says on the tin. This has got more to do with making `clippy` slightly more *quiet* than it does with changing anything that might greatly impact readability or performance. that said, deriving `Default` for a couple of structs is a nice easy win
38 lines
986 B
Rust
38 lines
986 B
Rust
use proc_macro::TokenStream;
|
|
use quote::quote;
|
|
use syn::{parse_macro_input, ItemFn};
|
|
|
|
pub fn bevy_main(_attr: TokenStream, item: TokenStream) -> TokenStream {
|
|
let input = parse_macro_input!(item as ItemFn);
|
|
assert!(
|
|
input.sig.ident == "main",
|
|
"`bevy_main` can only be used on a function called 'main'.",
|
|
);
|
|
|
|
TokenStream::from(quote! {
|
|
#[no_mangle]
|
|
#[cfg(target_os = "android")]
|
|
unsafe extern "C" fn ANativeActivity_onCreate(
|
|
activity: *mut std::os::raw::c_void,
|
|
saved_state: *mut std::os::raw::c_void,
|
|
saved_state_size: usize,
|
|
) {
|
|
bevy::ndk_glue::init(
|
|
activity as _,
|
|
saved_state as _,
|
|
saved_state_size as _,
|
|
main,
|
|
);
|
|
}
|
|
|
|
#[no_mangle]
|
|
#[cfg(target_os = "ios")]
|
|
extern "C" fn main_rs() {
|
|
main();
|
|
}
|
|
|
|
#[allow(unused)]
|
|
#input
|
|
})
|
|
}
|