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extern crate proc_macro;
use proc_macro::TokenStream;
use std::{fs, path::Path};
use rtic_syntax::Settings;
mod analyze;
mod check;
mod codegen;
#[cfg(test)]
mod tests;
#[proc_macro_attribute]
pub fn app(args: TokenStream, input: TokenStream) -> TokenStream {
let mut settings = Settings::default();
settings.optimize_priorities = false;
settings.parse_binds = true;
settings.parse_extern_interrupt = true;
let (app, analysis) = match rtic_syntax::parse(args, input, settings) {
Err(e) => return e.to_compile_error().into(),
Ok(x) => x,
};
let extra = match check::app(&app, &analysis) {
Err(e) => return e.to_compile_error().into(),
Ok(x) => x,
};
let analysis = analyze::app(analysis, &app);
let ts = codegen::app(&app, &analysis, &extra);
if Path::new("target").exists() {
fs::write("target/rtic-expansion.rs", ts.to_string()).ok();
}
ts.into()
}