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use proc_macro2::TokenStream as TokenStream2;
use quote::quote;
use rtic_syntax::ast::App;
use crate::{analyze::Analysis, check::Extra, codegen::util};
/// Generates `local` variables and local resource proxies
///
/// I.e. the `static` variables and theirs proxies.
pub fn codegen(
app: &App,
_analysis: &Analysis,
_extra: &Extra,
) -> (
// mod_app -- the `static` variables behind the proxies
Vec<TokenStream2>,
// mod_resources -- the `resources` module
TokenStream2,
) {
let mut mod_app = vec![];
// let mut mod_resources: _ = vec![];
// All local resources declared in the `#[local]' struct
for (name, res) in &app.local_resources {
let cfgs = &res.cfgs;
let ty = &res.ty;
let mangled_name = util::static_local_resource_ident(name);
let attrs = &res.attrs;
// late resources in `util::link_section_uninit`
// unless user specifies custom link section
let section = if attrs.iter().any(|attr| attr.path.is_ident("link_section")) {
None
}
else {
Some(util::link_section_uninit())
};
// For future use
// let doc = format!(" RTIC internal: {}:{}", file!(), line!());
mod_app.push(quote!(
#[allow(non_camel_case_types)]
#[allow(non_upper_case_globals)]
// #[doc = #doc]
#[doc(hidden)]
#(#attrs)*
#(#cfgs)*
#section
static #mangled_name: rtic::RacyCell<core::mem::MaybeUninit<#ty>> = rtic::RacyCell::new(core::mem::MaybeUninit::uninit());
));
}
// All declared `local = [NAME: TY = EXPR]` local resources
for (task_name, resource_name, task_local) in app.declared_local_resources() {
let cfgs = &task_local.cfgs;
let ty = &task_local.ty;
let expr = &task_local.expr;
let attrs = &task_local.attrs;
let mangled_name = util::declared_static_local_resource_ident(resource_name, task_name);
// For future use
// let doc = format!(" RTIC internal: {}:{}", file!(), line!());
mod_app.push(quote!(
#[allow(non_camel_case_types)]
#[allow(non_upper_case_globals)]
// #[doc = #doc]
#[doc(hidden)]
#(#attrs)*
#(#cfgs)*
static #mangled_name: rtic::RacyCell<#ty> = rtic::RacyCell::new(#expr);
));
}
(mod_app, TokenStream2::new())
}
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