forked from mirrors/gecko-dev
be2b512750
The rustup is needed for https://github.com/rust-lang/rust/pull/40039. Source-Repo: https://github.com/servo/servo Source-Revision: a204c4176dcccdad8ec99d74055c66794c3f64ba --HG-- rename : servo/components/domobject_derive/Cargo.toml => servo/components/dom_struct/Cargo.toml extra : subtree_source : https%3A//hg.mozilla.org/projects/converted-servo-linear extra : subtree_revision : 2cad140c3d6b99837f0bd15a6f3ccba0f353e049
28 lines
814 B
Rust
28 lines
814 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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extern crate proc_macro;
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#[macro_use] extern crate quote;
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use proc_macro::TokenStream;
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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.to_string().is_empty() {
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panic!("#[dom_struct] takes no arguments");
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}
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expand_string(&input.to_string()).parse().unwrap()
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}
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fn expand_string(input: &str) -> String {
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let mut tokens = quote! {
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#[derive(DenyPublicFields, DomObject, HeapSizeOf, JSTraceable)]
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#[must_root]
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#[repr(C)]
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};
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tokens.append(input);
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tokens.to_string()
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}
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