linux_rtic_macros/
lib.rs

1use proc_macro::TokenStream;
2use rtic_syntax::Settings;
3use std::{fs, path::Path};
4
5mod codegen;
6
7/// Attribute used to declare a RTIC application
8///
9/// For user documentation see the [RTIC book](https://rtic.rs)
10#[proc_macro_attribute]
11pub fn app(args: TokenStream, input: TokenStream) -> TokenStream {
12    let mut settings = Settings::default();
13    settings.optimize_priorities = false;
14    settings.parse_binds = true;
15    settings.parse_extern_interrupt = true;
16
17    let (app, analysis) = match rtic_syntax::parse(args, input, settings) {
18        Err(e) => return e.to_compile_error().into(),
19        Ok(x) => x,
20    };
21
22    let ts = codegen::app(&app, &analysis);
23
24    // Try to write the expanded code to disk
25    if Path::new("target").exists() {
26        fs::write("target/rtic-expansion.rs", ts.to_string()).ok();
27        std::process::Command::new("rustfmt")
28            .arg("target/rtic-expansion.rs")
29            .status()
30            .ok();
31    }
32
33    ts.into()
34}
linux_rtic_macros/lib.rs

linux_rtic_macros/
lib.rs
