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use crate::syntax::{ast::App, Context};
use crate::{
analyze::Analysis,
codegen::{local_resources_struct, module, shared_resources_struct, util},
};
use proc_macro2::TokenStream as TokenStream2;
use quote::quote;
pub fn codegen(
app: &App,
analysis: &Analysis,
) -> (
// mod_app_software_tasks -- free queues, buffers and `${task}Resources` constructors
Vec<TokenStream2>,
// root_software_tasks -- items that must be placed in the root of the crate:
// - `${task}Locals` structs
// - `${task}Resources` structs
// - `${task}` modules
Vec<TokenStream2>,
// user_software_tasks -- the `#[task]` functions written by the user
Vec<TokenStream2>,
) {
let mut mod_app = vec![];
let mut root = vec![];
let mut user_tasks = vec![];
// Any task
for (name, task) in app.software_tasks.iter() {
let executor_ident = util::executor_run_ident(name);
mod_app.push(quote!(
#[allow(non_camel_case_types)]
#[allow(non_upper_case_globals)]
#[doc(hidden)]
static #executor_ident: core::sync::atomic::AtomicBool =
core::sync::atomic::AtomicBool::new(false);
));
// `${task}Resources`
let mut shared_needs_lt = false;
let mut local_needs_lt = false;
// `${task}Locals`
if !task.args.local_resources.is_empty() {
let (item, constructor) = local_resources_struct::codegen(
Context::SoftwareTask(name),
&mut local_needs_lt,
app,
);
root.push(item);
mod_app.push(constructor);
}
if !task.args.shared_resources.is_empty() {
let (item, constructor) = shared_resources_struct::codegen(
Context::SoftwareTask(name),
&mut shared_needs_lt,
app,
);
root.push(item);
mod_app.push(constructor);
}
if !&task.is_extern {
let context = &task.context;
let attrs = &task.attrs;
let cfgs = &task.cfgs;
let stmts = &task.stmts;
let context_lifetime = if shared_needs_lt || local_needs_lt {
quote!(<'static>)
} else {
quote!()
};
user_tasks.push(quote!(
#(#attrs)*
#(#cfgs)*
#[allow(non_snake_case)]
async fn #name(#context: #name::Context #context_lifetime) {
use rtic::Mutex as _;
use rtic::mutex::prelude::*;
#(#stmts)*
}
));
}
root.push(module::codegen(
Context::SoftwareTask(name),
shared_needs_lt,
local_needs_lt,
app,
analysis,
));
}
(mod_app, root, user_tasks)
}
|
