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use core::ops;
use std::collections::{BTreeMap, BTreeSet};
use crate::syntax::{
analyze::{self, Priority},
ast::{App, Dispatcher},
};
use syn::Ident;
/// Extend the upstream `Analysis` struct with our field
pub struct Analysis {
parent: analyze::Analysis,
pub interrupts: BTreeMap<Priority, (Ident, Dispatcher)>,
}
impl ops::Deref for Analysis {
type Target = analyze::Analysis;
fn deref(&self) -> &Self::Target {
&self.parent
}
}
// Assign an interrupt to each priority level
pub fn app(analysis: analyze::Analysis, app: &App) -> Analysis {
let mut available_interrupt = app.args.dispatchers.clone();
// the set of priorities (each priority only once)
let priorities = app
.software_tasks
.values()
.map(|task| task.args.priority)
.collect::<BTreeSet<_>>();
// map from priorities to interrupts (holding name and attributes)
let interrupts: BTreeMap<Priority, _> = priorities
.iter()
.copied()
.rev()
.map(|p| (p, available_interrupt.pop().expect("UNREACHABLE")))
.collect();
Analysis {
parent: analysis,
interrupts,
}
}
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