Sha256: c0204a41d747889cfd6723f4f3bf4aa2f9f868c288738d29cc6229de4260debf
Contents?: true
Size: 953 Bytes
Versions: 19
Compression:
Stored size: 953 Bytes
Contents
use proc_macro2::{Ident, Span, TokenStream};
use quote::quote;
use syn::{Error, ItemFn};
pub fn expand(name: Option<String>, input: ItemFn) -> Result<TokenStream, Error> {
let crate_name = match name {
Some(v) => v,
None => match std::env::var("CARGO_PKG_NAME") {
Ok(v) => v,
Err(_) => {
return Err(Error::new(
Span::call_site(),
r#"missing (name = "...") attribute"#,
))
}
},
};
let extern_init_name = Ident::new(
&format!("Init_{}", crate_name.replace('-', "_")),
Span::call_site(),
);
let init_name = input.sig.ident.clone();
Ok(quote! {
#input
#[allow(non_snake_case)]
#[no_mangle]
pub unsafe extern "C" fn #extern_init_name() {
use magnus::method::{Init, RubyInit};
#init_name.call_handle_error()
}
})
}
Version data entries
19 entries across 19 versions & 1 rubygems