blob: f62e0cd12a123304dc8546c9bcf0f42b55707d5a (
plain)
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
|
// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// force-host
// no-prefer-dynamic
#![crate_type = "proc-macro"]
extern crate proc_macro;
use proc_macro::TokenStream;
#[proc_macro_derive(AToB)]
pub fn derive1(input: TokenStream) -> TokenStream {
println!("input1: {:?}", input.to_string());
assert_eq!(input.to_string(), "struct A;");
"#[derive(BToC)] struct B;".parse().unwrap()
}
#[proc_macro_derive(BToC)]
pub fn derive2(input: TokenStream) -> TokenStream {
assert_eq!(input.to_string(), "struct B;");
"struct C;".parse().unwrap()
}
|
