1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
#![recursion_limit="128"]
extern crate proc_macro;
extern crate proc_macro2;
#[macro_use]
extern crate syn;
#[macro_use]
extern crate quote;
mod derive_parse_args;
mod util;
#[proc_macro_derive(Arguments, attributes(jockey))]
pub fn derive_arguments(tokens: proc_macro::TokenStream) -> proc_macro::TokenStream {
let input = parse_macro_input!(tokens as syn::DeriveInput);
let parse_args = derive_parse_args::derive_parse_args(&input);
let struct_ident: &syn::Ident = &input.ident;
let result = quote!{
impl jockey::Arguments for #struct_ident {
#parse_args
}
};
result.into()
}