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Allow deriving Parse for keywords.

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Emilio Cobos Álvarez 2017-11-12 05:43:53 +01:00
parent da3dd05ff9
commit 7036cb0077
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5 changed files with 126 additions and 38 deletions
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9
components/style_derive/lib.rs
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@ -2,6 +2,8 @@
* 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/. */
#![recursion_limit = "128"]
#[macro_use] extern crate darling;
extern crate proc_macro;
#[macro_use] extern crate quote;
@ -13,6 +15,7 @@ use proc_macro::TokenStream;
mod animate;
mod cg;
mod compute_squared_distance;
mod parse;
mod to_animated_value;
mod to_animated_zero;
mod to_computed_value;
@ -36,6 +39,12 @@ pub fn derive_to_animated_value(stream: TokenStream) -> TokenStream {
to_animated_value::derive(input).to_string().parse().unwrap()
}
#[proc_macro_derive(Parse)]
pub fn derive_parse(stream: TokenStream) -> TokenStream {
let input = syn::parse_derive_input(&stream.to_string()).unwrap();
parse::derive(input).to_string().parse().unwrap()
}
#[proc_macro_derive(ToAnimatedZero, attributes(animation))]
pub fn derive_to_animated_zero(stream: TokenStream) -> TokenStream {
let input = syn::parse_derive_input(&stream.to_string()).unwrap();