relm_attributes/
lib.rs

1/*
2 * Copyright (c) 2017 Boucher, Antoni <bouanto@zoho.com>
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy of
5 * this software and associated documentation files (the "Software"), to deal in
6 * the Software without restriction, including without limitation the rights to
7 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
8 * the Software, and to permit persons to whom the Software is furnished to do so,
9 * subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in all
12 * copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
16 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
17 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
18 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
19 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
20 */
21
22extern crate proc_macro;
23#[macro_use]
24extern crate quote;
25extern crate relm_gen_widget;
26extern crate syn;
27
28use proc_macro::TokenStream;
29use relm_gen_widget::gen_widget;
30use syn::{Item, parse};
31
32#[proc_macro_attribute]
33pub fn widget(_attributes: TokenStream, input: TokenStream) -> TokenStream {
34    let ast: Item = parse(input).expect("widget.parse failed");
35    let tokens = quote! {
36        #ast
37    };
38    let expanded = gen_widget(tokens);
39    expanded.into()
40}
relm_attributes/lib.rs

relm_attributes/
lib.rs
