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|
use proc_macro2::TokenStream as TokenStream2;
use quote::quote;
use rtic_syntax::{ast::App, Context};
use syn::Ident;
use crate::codegen::util;
pub fn codegen(scheduler: Context, name: &Ident, app: &App) -> TokenStream2 {
let schedulee = &app.software_tasks[name];
let fq = util::fq_ident(name);
let tq = util::tq_ident();
let (dequeue, enqueue) = if scheduler.is_init() {
(quote!(#fq.dequeue()), quote!(#tq.enqueue_unchecked(nr);))
} else {
(
quote!((#fq { priority }).lock(|fq| fq.split().1.dequeue())),
quote!((#tq { priority }).lock(|tq| tq.enqueue_unchecked(nr));),
)
};
let write_instant = if app.uses_schedule() {
let instants = util::instants_ident(name);
Some(quote!(
#instants.get_unchecked_mut(usize::from(index)).as_mut_ptr().write(instant);
))
} else {
None
};
let (_, tupled, _, _) = util::regroup_inputs(&schedulee.inputs);
let inputs = util::inputs_ident(name);
let t = util::schedule_t_ident();
quote!(
unsafe {
use rtic::Mutex as _;
let input = #tupled;
if let Some(index) = #dequeue {
#inputs.get_unchecked_mut(usize::from(index)).as_mut_ptr().write(input);
#write_instant
let nr = rtic::export::NotReady {
instant,
index,
task: #t::#name,
};
#enqueue
Ok(())
} else {
Err(input)
}
}
)
}
|
