servo/components/style_derive/lib.rs
Anthony Ramine c4f1d647a0 Derive the most trivial ToCss implementations 🌋
For now, all variants get serialised as the space-separated serialisations
of their fields. Unit variants are not supported.
2017-06-04 16:17:56 +02:00

32 lines
1.1 KiB
Rust

/* 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/. */
extern crate proc_macro;
#[macro_use] extern crate quote;
extern crate syn;
extern crate synstructure;
use proc_macro::TokenStream;
mod has_viewport_percentage;
mod to_computed_value;
mod to_css;
#[proc_macro_derive(HasViewportPercentage)]
pub fn derive_has_viewport_percentage(stream: TokenStream) -> TokenStream {
let input = syn::parse_derive_input(&stream.to_string()).unwrap();
has_viewport_percentage::derive(input).to_string().parse().unwrap()
}
#[proc_macro_derive(ToComputedValue)]
pub fn derive_to_computed_value(stream: TokenStream) -> TokenStream {
let input = syn::parse_derive_input(&stream.to_string()).unwrap();
to_computed_value::derive(input).to_string().parse().unwrap()
}
#[proc_macro_derive(ToCss)]
pub fn derive_to_css(stream: TokenStream) -> TokenStream {
let input = syn::parse_derive_input(&stream.to_string()).unwrap();
to_css::derive(input).to_string().parse().unwrap()
}