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1 | // Copyright 2016 The Rust Project Developers. See the COPYRIGHT |
2 | // file at the top-level directory of this distribution and at | |
3 | // http://rust-lang.org/COPYRIGHT. | |
4 | // | |
5 | // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | |
6 | // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | |
7 | // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | |
8 | // option. This file may not be copied, modified, or distributed | |
9 | // except according to those terms. | |
10 | ||
11 | #![crate_type = "rustc-macro"] | |
12 | #![feature(rustc_macro)] | |
13 | ||
14 | extern crate rustc_macro; | |
15 | ||
16 | #[rustc_macro_derive] | |
17 | //~^ ERROR: attribute must be of form: #[rustc_macro_derive(TraitName)] | |
18 | pub fn foo1(input: rustc_macro::TokenStream) -> rustc_macro::TokenStream { | |
19 | input | |
20 | } | |
21 | ||
22 | #[rustc_macro_derive = "foo"] | |
23 | //~^ ERROR: attribute must be of form: #[rustc_macro_derive(TraitName)] | |
24 | pub fn foo2(input: rustc_macro::TokenStream) -> rustc_macro::TokenStream { | |
25 | input | |
26 | } | |
27 | ||
28 | #[rustc_macro_derive( | |
29 | a = "b" | |
30 | )] | |
31 | //~^^ ERROR: must only be one word | |
32 | pub fn foo3(input: rustc_macro::TokenStream) -> rustc_macro::TokenStream { | |
33 | input | |
34 | } | |
35 | ||
36 | #[rustc_macro_derive(b, c)] | |
37 | //~^ ERROR: attribute must only have one argument | |
38 | pub fn foo4(input: rustc_macro::TokenStream) -> rustc_macro::TokenStream { | |
39 | input | |
40 | } | |
41 | ||
42 | #[rustc_macro_derive(d(e))] | |
43 | //~^ ERROR: must only be one word | |
44 | pub fn foo5(input: rustc_macro::TokenStream) -> rustc_macro::TokenStream { | |
45 | input | |
46 | } |