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