/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#![feature(proc_macro)]
extern crate proc_macro;
use proc_macro::{TokenStream, quote};
use std::iter;
#[proc_macro_attribute]
pub fn dom_struct(args: TokenStream, input: TokenStream) -> TokenStream {
if !args.is_empty() {
panic!("#[dom_struct] takes no arguments");
}
let attributes = quote! {
#[derive(DenyPublicFields, DomObject, JSTraceable, MallocSizeOf)]
#[must_root]
#[repr(C)]
};
// Work around https://github.com/rust-lang/rust/issues/46489
let attributes = attributes.to_string().parse().unwrap();
iter::once(attributes).chain(iter::once(input)).collect()
}