171: [NFC] fix nightly ci r=japaric a=japaric



Co-authored-by: Jorge Aparicio <jorge@japaric.io>
This commit is contained in:
bors[bot] 2019-04-16 22:18:27 +00:00
commit e1e4c98cb9
3 changed files with 23 additions and 23 deletions

View file

@ -55,7 +55,7 @@ nightly = ["cortex-m-rtfm-macros/nightly", "heapless/const-fn"]
timer-queue = ["cortex-m-rtfm-macros/timer-queue"] timer-queue = ["cortex-m-rtfm-macros/timer-queue"]
[target.x86_64-unknown-linux-gnu.dev-dependencies] [target.x86_64-unknown-linux-gnu.dev-dependencies]
compiletest_rs = "0.3.16" compiletest_rs = "0.3.21"
tempdir = "0.3.7" tempdir = "0.3.7"
[package.metadata.docs.rs] [package.metadata.docs.rs]

View file

@ -136,7 +136,7 @@ pub fn app(app: &App, analysis: &Analysis) -> TokenStream {
if res.expr.is_none() { if res.expr.is_none() {
let alias = &ctxt.statics[name]; let alias = &ctxt.statics[name];
Some(quote!(#alias.set(res.#name);)) Some(quote!(#alias.write(res.#name);))
} else { } else {
None None
} }
@ -275,7 +275,7 @@ fn resources(ctxt: &mut Context, app: &App, analysis: &Analysis) -> proc_macro2:
#(#cfgs)* #(#cfgs)*
#[doc = #symbol] #[doc = #symbol]
static mut #alias: rtfm::export::MaybeUninit<#ty> = static mut #alias: rtfm::export::MaybeUninit<#ty> =
rtfm::export::MaybeUninit::uninitialized(); rtfm::export::MaybeUninit::uninit();
) )
}), }),
); );
@ -338,7 +338,7 @@ fn init(ctxt: &mut Context, app: &App, analysis: &Analysis) -> (proc_macro2::Tok
let expr = &assign.right; let expr = &assign.right;
quote!( quote!(
#(#attrs)* #(#attrs)*
unsafe { #alias.set(#expr); } unsafe { #alias.write(#expr); }
) )
} else { } else {
let left = &assign.left; let left = &assign.left;
@ -1281,7 +1281,7 @@ fn tasks(ctxt: &mut Context, app: &App, analysis: &Analysis) -> proc_macro2::Tok
if cfg!(feature = "nightly") { if cfg!(feature = "nightly") {
let inits = let inits =
(0..capacity).map(|_| quote!(rtfm::export::MaybeUninit::uninitialized())); (0..capacity).map(|_| quote!(rtfm::export::MaybeUninit::uninit()));
quote!( quote!(
#[doc = #scheduleds_symbol] #[doc = #scheduleds_symbol]
@ -1294,7 +1294,7 @@ fn tasks(ctxt: &mut Context, app: &App, analysis: &Analysis) -> proc_macro2::Tok
#[doc = #scheduleds_symbol] #[doc = #scheduleds_symbol]
static mut #scheduleds_alias: static mut #scheduleds_alias:
rtfm::export::MaybeUninit<[rtfm::Instant; #capacity_lit]> = rtfm::export::MaybeUninit<[rtfm::Instant; #capacity_lit]> =
rtfm::export::MaybeUninit::uninitialized(); rtfm::export::MaybeUninit::uninit();
) )
} }
} }
@ -1305,7 +1305,7 @@ fn tasks(ctxt: &mut Context, app: &App, analysis: &Analysis) -> proc_macro2::Tok
let inputs_symbol = format!("{}::INPUTS::{}", name, inputs_alias); let inputs_symbol = format!("{}::INPUTS::{}", name, inputs_alias);
let free_symbol = format!("{}::FREE_QUEUE::{}", name, free_alias); let free_symbol = format!("{}::FREE_QUEUE::{}", name, free_alias);
if cfg!(feature = "nightly") { if cfg!(feature = "nightly") {
let inits = (0..capacity).map(|_| quote!(rtfm::export::MaybeUninit::uninitialized())); let inits = (0..capacity).map(|_| quote!(rtfm::export::MaybeUninit::uninit()));
items.push(quote!( items.push(quote!(
#[doc = #free_symbol] #[doc = #free_symbol]
@ -1322,11 +1322,11 @@ fn tasks(ctxt: &mut Context, app: &App, analysis: &Analysis) -> proc_macro2::Tok
#[doc = #free_symbol] #[doc = #free_symbol]
static mut #free_alias: rtfm::export::MaybeUninit< static mut #free_alias: rtfm::export::MaybeUninit<
rtfm::export::FreeQueue<#capacity_ty> rtfm::export::FreeQueue<#capacity_ty>
> = rtfm::export::MaybeUninit::uninitialized(); > = rtfm::export::MaybeUninit::uninit();
#[doc = #inputs_symbol] #[doc = #inputs_symbol]
static mut #inputs_alias: rtfm::export::MaybeUninit<[#ty; #capacity_lit]> = static mut #inputs_alias: rtfm::export::MaybeUninit<[#ty; #capacity_lit]> =
rtfm::export::MaybeUninit::uninitialized(); rtfm::export::MaybeUninit::uninit();
)); ));
} }
@ -1479,7 +1479,7 @@ fn dispatchers(
} else { } else {
data.push(quote!( data.push(quote!(
#[doc = #symbol] #[doc = #symbol]
static mut #ready_alias: #e::MaybeUninit<#ty> = #e::MaybeUninit::uninitialized(); static mut #ready_alias: #e::MaybeUninit<#ty> = #e::MaybeUninit::uninit();
)); ));
} }
data.push(quote!( data.push(quote!(
@ -1867,14 +1867,14 @@ fn timer_queue(ctxt: &mut Context, app: &App, analysis: &Analysis) -> proc_macro
items.push(quote!( items.push(quote!(
#[doc = #symbol] #[doc = #symbol]
static mut #tq: rtfm::export::MaybeUninit<rtfm::export::TimerQueue<#enum_, #cap>> = static mut #tq: rtfm::export::MaybeUninit<rtfm::export::TimerQueue<#enum_, #cap>> =
rtfm::export::MaybeUninit::uninitialized(); rtfm::export::MaybeUninit::uninit();
)); ));
} else { } else {
items.push(quote!( items.push(quote!(
#[doc = #symbol] #[doc = #symbol]
static mut #tq: static mut #tq:
rtfm::export::MaybeUninit<rtfm::export::TimerQueue<#enum_, #cap>> = rtfm::export::MaybeUninit<rtfm::export::TimerQueue<#enum_, #cap>> =
rtfm::export::MaybeUninit::uninitialized(); rtfm::export::MaybeUninit::uninit();
)); ));
} }
@ -1945,32 +1945,32 @@ fn pre_init(ctxt: &Context, app: &App, analysis: &Analysis) -> proc_macro2::Toke
// these are `MaybeUninit` arrays // these are `MaybeUninit` arrays
for task in ctxt.tasks.values() { for task in ctxt.tasks.values() {
let inputs = &task.inputs; let inputs = &task.inputs;
exprs.push(quote!(#inputs.set(core::mem::uninitialized());)) exprs.push(quote!(#inputs.write(core::mem::uninitialized());))
} }
#[cfg(feature = "timer-queue")] #[cfg(feature = "timer-queue")]
for task in ctxt.tasks.values() { for task in ctxt.tasks.values() {
let scheduleds = &task.scheduleds; let scheduleds = &task.scheduleds;
exprs.push(quote!(#scheduleds.set(core::mem::uninitialized());)) exprs.push(quote!(#scheduleds.write(core::mem::uninitialized());))
} }
// these are `MaybeUninit` `ReadyQueue`s // these are `MaybeUninit` `ReadyQueue`s
for dispatcher in ctxt.dispatchers.values() { for dispatcher in ctxt.dispatchers.values() {
let rq = &dispatcher.ready_queue; let rq = &dispatcher.ready_queue;
exprs.push(quote!(#rq.set(rtfm::export::ReadyQueue::new_sc());)) exprs.push(quote!(#rq.write(rtfm::export::ReadyQueue::new_sc());))
} }
// these are `MaybeUninit` `FreeQueue`s // these are `MaybeUninit` `FreeQueue`s
for task in ctxt.tasks.values() { for task in ctxt.tasks.values() {
let fq = &task.free_queue; let fq = &task.free_queue;
exprs.push(quote!(#fq.set(rtfm::export::FreeQueue::new_sc());)) exprs.push(quote!(#fq.write(rtfm::export::FreeQueue::new_sc());))
} }
} }
// Initialize the timer queue // Initialize the timer queue
if !analysis.timer_queue.tasks.is_empty() { if !analysis.timer_queue.tasks.is_empty() {
let tq = &ctxt.timer_queue; let tq = &ctxt.timer_queue;
exprs.push(quote!(#tq.set(rtfm::export::TimerQueue::new(p.SYST));)); exprs.push(quote!(#tq.write(rtfm::export::TimerQueue::new(p.SYST));));
} }
// Populate the `FreeQueue`s // Populate the `FreeQueue`s

View file

@ -72,9 +72,9 @@ pub struct MaybeUninit<T> {
#[cfg(feature = "nightly")] #[cfg(feature = "nightly")]
impl<T> MaybeUninit<T> { impl<T> MaybeUninit<T> {
pub const fn uninitialized() -> Self { pub const fn uninit() -> Self {
MaybeUninit { MaybeUninit {
inner: core::mem::MaybeUninit::uninitialized(), inner: core::mem::MaybeUninit::uninit(),
} }
} }
@ -86,8 +86,8 @@ impl<T> MaybeUninit<T> {
self.inner.as_mut_ptr() self.inner.as_mut_ptr()
} }
pub fn set(&mut self, value: T) -> &mut T { pub fn write(&mut self, value: T) -> &mut T {
self.inner.set(value) self.inner.write(value)
} }
} }
@ -102,7 +102,7 @@ const MSG: &str =
#[cfg(not(feature = "nightly"))] #[cfg(not(feature = "nightly"))]
impl<T> MaybeUninit<T> { impl<T> MaybeUninit<T> {
pub const fn uninitialized() -> Self { pub const fn uninit() -> Self {
MaybeUninit { value: None } MaybeUninit { value: None }
} }
@ -138,7 +138,7 @@ impl<T> MaybeUninit<T> {
} }
} }
pub fn set(&mut self, val: T) { pub fn write(&mut self, val: T) {
// NOTE(volatile) we have observed UB when this uses a plain `ptr::write` // NOTE(volatile) we have observed UB when this uses a plain `ptr::write`
unsafe { ptr::write_volatile(&mut self.value, Some(val)) } unsafe { ptr::write_volatile(&mut self.value, Some(val)) }
} }