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-rw-r--r--Cargo.toml4
-rw-r--r--macros/Cargo.toml2
-rw-r--r--macros/src/codegen.rs110
3 files changed, 61 insertions, 55 deletions
diff --git a/Cargo.toml b/Cargo.toml
index a9e955a7..99930013 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,7 +12,7 @@ license = "MIT OR Apache-2.0"
name = "cortex-m-rtfm"
readme = "README.md"
repository = "https://github.com/japaric/cortex-m-rtfm"
-version = "0.4.0-beta.2"
+version = "0.4.0-beta.3"
[lib]
name = "rtfm"
@@ -36,7 +36,7 @@ required-features = ["timer-queue"]
[dependencies]
cortex-m = "0.5.8"
cortex-m-rt = "0.6.5"
-cortex-m-rtfm-macros = { path = "macros", version = "0.4.0-beta.2" }
+cortex-m-rtfm-macros = { path = "macros", version = "0.4.0-beta.3" }
heapless = "0.4.0"
owned-singleton = "0.1.0"
diff --git a/macros/Cargo.toml b/macros/Cargo.toml
index 73c67b2b..1b45fc8b 100644
--- a/macros/Cargo.toml
+++ b/macros/Cargo.toml
@@ -8,7 +8,7 @@ license = "MIT OR Apache-2.0"
name = "cortex-m-rtfm-macros"
readme = "../README.md"
repository = "https://github.com/japaric/cortex-m-rtfm"
-version = "0.4.0-beta.2"
+version = "0.4.0-beta.3"
[lib]
proc-macro = true
diff --git a/macros/src/codegen.rs b/macros/src/codegen.rs
index 416b0070..6f5e1007 100644
--- a/macros/src/codegen.rs
+++ b/macros/src/codegen.rs
@@ -1,3 +1,5 @@
+#![deny(warnings)]
+
use proc_macro::TokenStream;
use std::{
collections::HashMap,
@@ -58,23 +60,23 @@ impl Default for Context {
fn default() -> Self {
Context {
#[cfg(feature = "timer-queue")]
- baseline: mk_ident(),
+ baseline: mk_ident(None),
enums: HashMap::new(),
free_queues: Aliases::new(),
- idle: mk_ident(),
- init: mk_ident(),
+ idle: mk_ident(Some("idle")),
+ init: mk_ident(Some("init")),
inputs: Aliases::new(),
- priority: mk_ident(),
+ priority: mk_ident(None),
ready_queues: HashMap::new(),
statics: Aliases::new(),
resources: HashMap::new(),
#[cfg(feature = "timer-queue")]
scheduleds: Aliases::new(),
spawn_fn: Aliases::new(),
- schedule_enum: mk_ident(),
+ schedule_enum: mk_ident(None),
schedule_fn: Aliases::new(),
tasks: Aliases::new(),
- timer_queue: mk_ident(),
+ timer_queue: mk_ident(None),
}
}
}
@@ -216,7 +218,7 @@ fn resources(ctxt: &mut Context, app: &App, analysis: &Analysis) -> proc_macro2:
pub static #mut_ #name: #ty = #expr;
));
- let alias = mk_ident();
+ let alias = mk_ident(None);
if let Some(Ownership::Shared { ceiling }) = analysis.ownerships.get(name) {
items.push(mk_resource(
ctxt,
@@ -231,7 +233,7 @@ fn resources(ctxt: &mut Context, app: &App, analysis: &Analysis) -> proc_macro2:
ctxt.statics.insert(name.clone(), alias);
} else {
- let alias = mk_ident();
+ let alias = mk_ident(None);
let symbol = format!("{}::{}", name, alias);
items.push(
@@ -239,14 +241,14 @@ fn resources(ctxt: &mut Context, app: &App, analysis: &Analysis) -> proc_macro2:
.map(|expr| {
quote!(
#(#attrs)*
- #[export_name = #symbol]
+ #[doc = #symbol]
static mut #alias: #ty = #expr;
)
})
.unwrap_or_else(|| {
quote!(
#(#attrs)*
- #[export_name = #symbol]
+ #[doc = #symbol]
static mut #alias: rtfm::export::MaybeUninit<#ty> =
rtfm::export::MaybeUninit::uninitialized();
)
@@ -282,7 +284,8 @@ fn resources(ctxt: &mut Context, app: &App, analysis: &Analysis) -> proc_macro2:
/// Resource proxies
pub mod resources {
#(#module)*
- }));
+ }
+ ));
}
quote!(#(#items)*)
@@ -356,12 +359,10 @@ fn init(ctxt: &mut Context, app: &App, analysis: &Analysis) -> proc_macro2::Toke
let unsafety = &app.init.unsafety;
let device = &app.args.device;
let init = &ctxt.init;
- let name = format!("init::{}", init);
quote!(
#module
#(#attrs)*
- #[export_name = #name]
#unsafety fn #init(mut core: rtfm::Peripherals) {
#(#locals)*
@@ -713,7 +714,7 @@ fn prelude(
needs_unsafe = true;
if ownership.is_owned() || mut_.is_none() {
defs.push(quote!(pub #name: &'a #mut_ #name));
- let alias = mk_ident();
+ let alias = mk_ident(None);
items.push(quote!(
let #mut_ #alias = unsafe {
<#name as owned_singleton::Singleton>::new()
@@ -723,7 +724,7 @@ fn prelude(
} else {
may_call_lock = true;
defs.push(quote!(pub #name: rtfm::Exclusive<'a, #name>));
- let alias = mk_ident();
+ let alias = mk_ident(None);
items.push(quote!(
let #mut_ #alias = unsafe {
<#name as owned_singleton::Singleton>::new()
@@ -770,7 +771,7 @@ fn prelude(
}
}
- let alias = mk_ident();
+ let alias = mk_ident(None);
let unsafety = if needs_unsafe {
Some(quote!(unsafe))
} else {
@@ -807,7 +808,7 @@ fn prelude(
continue;
}
- ctxt.spawn_fn.insert(task.clone(), mk_ident());
+ ctxt.spawn_fn.insert(task.clone(), mk_ident(None));
}
if kind.is_idle() {
@@ -839,7 +840,7 @@ fn prelude(
continue;
}
- ctxt.schedule_fn.insert(task.clone(), mk_ident());
+ ctxt.schedule_fn.insert(task.clone(), mk_ident(None));
}
items.push(quote!(
@@ -894,20 +895,19 @@ fn idle(
let unsafety = &idle.unsafety;
let idle = &ctxt.idle;
- let name = format!("idle::{}", idle);
(
quote!(
#module
#(#attrs)*
- #[export_name = #name]
#unsafety fn #idle() -> ! {
#(#locals)*
#prelude
#(#stmts)*
- }),
+ }
+ ),
quote!(#idle()),
)
} else {
@@ -959,9 +959,9 @@ fn exceptions(ctxt: &mut Context, app: &App, analysis: &Analysis) -> Vec<proc_ma
let start_let = match () {
#[cfg(feature = "timer-queue")]
() => quote!(
- #[allow(unused_variables)]
- let start = #baseline;
- ),
+ #[allow(unused_variables)]
+ let start = #baseline;
+ ),
#[cfg(not(feature = "timer-queue"))]
() => quote!(),
};
@@ -985,7 +985,8 @@ fn exceptions(ctxt: &mut Context, app: &App, analysis: &Analysis) -> Vec<proc_ma
rtfm::export::run(move || {
#(#stmts)*
})
- })
+ }
+ )
})
.collect()
}
@@ -1057,7 +1058,8 @@ fn interrupts(
rtfm::export::run(move || {
#(#stmts)*
})
- }));
+ }
+ ));
}
(quote!(#(#root)*), quote!(#(#scoped)*))
@@ -1067,10 +1069,10 @@ fn tasks(ctxt: &mut Context, app: &App, analysis: &Analysis) -> proc_macro2::Tok
let mut items = vec![];
for (name, task) in &app.tasks {
#[cfg(feature = "timer-queue")]
- let scheduleds_alias = mk_ident();
- let free_alias = mk_ident();
- let inputs_alias = mk_ident();
- let task_alias = mk_ident();
+ let scheduleds_alias = mk_ident(None);
+ let free_alias = mk_ident(None);
+ let inputs_alias = mk_ident(None);
+ let task_alias = mk_ident(Some(&name.to_string()));
let attrs = &task.attrs;
let inputs = &task.inputs;
@@ -1109,7 +1111,7 @@ fn tasks(ctxt: &mut Context, app: &App, analysis: &Analysis) -> proc_macro2::Tok
let scheduleds_symbol = format!("{}::SCHEDULED_TIMES::{}", name, scheduleds_alias);
quote!(
- #[export_name = #scheduleds_symbol]
+ #[doc = #scheduleds_symbol]
static mut #scheduleds_alias:
rtfm::export::MaybeUninit<[rtfm::Instant; #capacity_lit]> =
rtfm::export::MaybeUninit::uninitialized();
@@ -1138,28 +1140,26 @@ fn tasks(ctxt: &mut Context, app: &App, analysis: &Analysis) -> proc_macro2::Tok
#[cfg(not(feature = "timer-queue"))]
() => quote!(),
};
- let task_symbol = format!("{}::{}", name, task_alias);
let inputs_symbol = format!("{}::INPUTS::{}", name, inputs_alias);
let free_symbol = format!("{}::FREE_QUEUE::{}", name, free_alias);
let unsafety = &task.unsafety;
items.push(quote!(
// FIXME(MaybeUninit) MaybeUninit won't be necessary when core::mem::MaybeUninit
// stabilizes because heapless constructors will work in const context
- #[export_name = #free_symbol]
+ #[doc = #free_symbol]
static mut #free_alias: rtfm::export::MaybeUninit<
rtfm::export::FreeQueue<#capacity_ty>
> = rtfm::export::MaybeUninit::uninitialized();
#resource
- #[export_name = #inputs_symbol]
+ #[doc = #inputs_symbol]
static mut #inputs_alias: rtfm::export::MaybeUninit<[#ty; #capacity_lit]> =
rtfm::export::MaybeUninit::uninitialized();
#scheduleds_static
#(#attrs)*
- #[export_name = #task_symbol]
#unsafety fn #task_alias(#baseline_arg #(#inputs,)*) {
#(#locals)*
@@ -1198,8 +1198,8 @@ fn dispatchers(
let mut dispatchers = vec![];
for (level, dispatcher) in &analysis.dispatchers {
- let ready_alias = mk_ident();
- let enum_alias = mk_ident();
+ let ready_alias = mk_ident(None);
+ let enum_alias = mk_ident(None);
let tasks = &dispatcher.tasks;
let capacity = mk_typenum_capacity(dispatcher.capacity, true);
@@ -1221,7 +1221,7 @@ fn dispatchers(
#[allow(non_camel_case_types)]
enum #enum_alias { #(#tasks,)* }
- #[export_name = #symbol]
+ #[doc = #symbol]
static mut #ready_alias: #e::MaybeUninit<#ty> = #e::MaybeUninit::uninitialized();
#resource
@@ -1516,7 +1516,7 @@ fn timer_queue(ctxt: &Context, app: &App, analysis: &Analysis) -> proc_macro2::T
let tq = &ctxt.timer_queue;
let symbol = format!("TIMER_QUEUE::{}", tq);
items.push(quote!(
- #[export_name = #symbol]
+ #[doc = #symbol]
static mut #tq:
rtfm::export::MaybeUninit<rtfm::export::TimerQueue<#enum_, #cap>> =
rtfm::export::MaybeUninit::uninitialized();
@@ -1731,7 +1731,7 @@ fn mk_typenum_capacity(capacity: u8, power_of_two: bool) -> proc_macro2::TokenSt
quote!(rtfm::export::consts::#ident)
}
-fn mk_ident() -> Ident {
+fn mk_ident(name: Option<&str>) -> Ident {
static CALL_COUNT: AtomicUsize = AtomicUsize::new(0);
let elapsed = SystemTime::now().duration_since(UNIX_EPOCH).unwrap();
@@ -1754,19 +1754,25 @@ fn mk_ident() -> Ident {
*v = ((count >> (i * 8)) & 0xFF) as u8
}
+ let n;
+ let mut s = if let Some(name) = name {
+ n = 4;
+ format!("{}_", name)
+ } else {
+ n = 16;
+ String::new()
+ };
+
let mut rng = rand::rngs::SmallRng::from_seed(seed);
- Ident::new(
- &(0..16)
- .map(|i| {
- if i == 0 || rng.gen() {
- ('a' as u8 + rng.gen::<u8>() % 25) as char
- } else {
- ('0' as u8 + rng.gen::<u8>() % 10) as char
- }
- })
- .collect::<String>(),
- Span::call_site(),
- )
+ for i in 0..n {
+ if i == 0 || rng.gen() {
+ s.push(('a' as u8 + rng.gen::<u8>() % 25) as char)
+ } else {
+ s.push(('0' as u8 + rng.gen::<u8>() % 10) as char)
+ }
+ }
+
+ Ident::new(&s, Span::call_site())
}
// `once = true` means that these locals will be called from a function that will run *once*