casper_node_macros/
lib.rs

1//! Generates reactors with routing from concise definitions. See `README.md` for details.
2
3#![doc(html_root_url = "https://docs.rs/casper-node-macros/1.4.3")]
4#![doc(
5    html_favicon_url = "https://raw.githubusercontent.com/CasperLabs/casper-node/master/images/CasperLabs_Logo_Favicon_RGB_50px.png",
6    html_logo_url = "https://raw.githubusercontent.com/CasperLabs/casper-node/master/images/CasperLabs_Logo_Symbol_RGB.png",
7    test(attr(forbid(warnings)))
8)]
9#![warn(missing_docs, trivial_casts, trivial_numeric_casts)]
10
11mod gen;
12mod parse;
13mod rust_type;
14mod util;
15
16use proc_macro::TokenStream;
17use syn::parse_macro_input;
18
19use parse::ReactorDefinition;
20
21/// Generates a new reactor implementation, along with types.
22#[proc_macro]
23pub fn reactor(input: TokenStream) -> TokenStream {
24    let mut def = parse_macro_input!(input as ReactorDefinition);
25
26    // Insert the control announcements.
27    def.inject_control_announcements();
28
29    let mut output: proc_macro2::TokenStream = Default::default();
30
31    output.extend(gen::generate_reactor(&def));
32    output.extend(gen::generate_reactor_types(&def));
33    output.extend(gen::generate_reactor_impl(&def));
34
35    output.into()
36}