191: generate resource proxies only when needed r=japaric a=japaric

only `static mut` resources need proxies

just a codegen optimization

Co-authored-by: Jorge Aparicio <jorge@japaric.io>
This commit is contained in:
bors[bot] 2019-05-09 19:44:20 +00:00
commit 3b68816a75

View file

@ -234,40 +234,43 @@ fn resources(
)); ));
} }
if let Some(Ownership::Shared { ceiling }) = analysis.ownerships.get(name) { // generate a resource proxy when needed
let ptr = if res.expr.is_none() { if res.mutability.is_some() {
quote!(#name.as_mut_ptr()) if let Some(Ownership::Shared { ceiling }) = analysis.ownerships.get(name) {
} else { let ptr = if res.expr.is_none() {
quote!(&mut #name) quote!(#name.as_mut_ptr())
}; } else {
quote!(&mut #name)
};
mod_resources.push(quote!( mod_resources.push(quote!(
pub struct #name<'a> { pub struct #name<'a> {
priority: &'a Priority, priority: &'a Priority,
}
impl<'a> #name<'a> {
#[inline(always)]
pub unsafe fn new(priority: &'a Priority) -> Self {
#name { priority }
} }
#[inline(always)] impl<'a> #name<'a> {
pub unsafe fn priority(&self) -> &Priority { #[inline(always)]
self.priority pub unsafe fn new(priority: &'a Priority) -> Self {
} #name { priority }
} }
));
const_app.push(impl_mutex( #[inline(always)]
app, pub unsafe fn priority(&self) -> &Priority {
cfgs, self.priority
true, }
name, }
quote!(#ty), ));
*ceiling,
ptr, const_app.push(impl_mutex(
)); app,
cfgs,
true,
name,
quote!(#ty),
*ceiling,
ptr,
));
}
} }
} }