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https://github.com/rtic-rs/rtic.git
synced 2024-12-25 03:19:34 +01:00
Started work
This commit is contained in:
parent
13dc3992e6
commit
3f85cb5caf
10 changed files with 283 additions and 146 deletions
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@ -22,4 +22,5 @@ proc-macro2 = "1"
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proc-macro-error = "1"
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proc-macro-error = "1"
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quote = "1"
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quote = "1"
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syn = "1"
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syn = "1"
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rtic-syntax = "0.5.0-alpha.3"
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# rtic-syntax = "0.5.0-alpha.3"
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rtic-syntax = { path = "../../rtic-syntax" }
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@ -9,12 +9,13 @@ mod dispatchers;
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mod hardware_tasks;
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mod hardware_tasks;
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mod idle;
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mod idle;
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mod init;
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mod init;
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mod locals;
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mod local_resources;
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mod shared_resources;
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mod local_resources_struct;
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mod shared_resources_struct;
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mod module;
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mod module;
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mod post_init;
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mod post_init;
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mod pre_init;
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mod pre_init;
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mod resources;
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mod resources_struct;
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mod software_tasks;
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mod software_tasks;
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mod timer_queue;
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mod timer_queue;
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mod util;
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mod util;
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@ -76,7 +76,7 @@ pub fn codegen(app: &App, analysis: &Analysis, _extra: &Extra) -> Vec<TokenStrea
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let inputs = util::mark_internal_ident(&inputs);
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let inputs = util::mark_internal_ident(&inputs);
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let (_, tupled, pats, _) = util::regroup_inputs(&task.inputs);
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let (_, tupled, pats, _) = util::regroup_inputs(&task.inputs);
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let locals_new = if task.locals.is_empty() {
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let locals_new = if task.args.local_resources.is_empty() {
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quote!()
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quote!()
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} else {
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} else {
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quote!(#name::Locals::new(),)
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quote!(#name::Locals::new(),)
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@ -29,7 +29,7 @@ pub fn codegen(
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let mut user_tasks = vec![];
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let mut user_tasks = vec![];
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for (name, task) in &app.hardware_tasks {
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for (name, task) in &app.hardware_tasks {
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let locals_new = if task.locals.is_empty() {
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let locals_new = if task.args.local_resources.is_empty() {
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quote!()
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quote!()
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} else {
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} else {
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quote!(#name::Locals::new(),)
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quote!(#name::Locals::new(),)
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@ -60,7 +60,7 @@ pub fn codegen(
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let mut needs_lt = false;
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let mut needs_lt = false;
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// `${task}Resources`
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// `${task}Resources`
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if !task.args.resources.is_empty() {
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if !task.args.shared_resources.is_empty() {
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let (item, constructor) =
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let (item, constructor) =
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resources_struct::codegen(Context::HardwareTask(name), &mut needs_lt, app);
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resources_struct::codegen(Context::HardwareTask(name), &mut needs_lt, app);
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@ -4,14 +4,7 @@ use rtic_syntax::{analyze::Ownership, ast::App};
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use crate::{analyze::Analysis, check::Extra, codegen::util};
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use crate::{analyze::Analysis, check::Extra, codegen::util};
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/// Generates `static` variables and resource proxies
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/// Generates `local` variables and local resource proxies
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/// Early resources are stored in `RacyCell<T>`
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/// Late resource are stored in `RacyCell<MaybeUninit<T>>`
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///
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/// Safety:
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/// - RacyCell<T> access is `unsafe`.
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/// - RacyCell<MaybeUninit> is always written to before user access, thus
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// the generated code for user access can safely `assume_init`.
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pub fn codegen(
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pub fn codegen(
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app: &App,
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app: &App,
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analysis: &Analysis,
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analysis: &Analysis,
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@ -25,7 +18,8 @@ pub fn codegen(
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let mut mod_app = vec![];
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let mut mod_app = vec![];
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let mut mod_resources = vec![];
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let mut mod_resources = vec![];
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for (name, res, expr, _) in app.resources(analysis) {
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for (name, res) in app.local_resources {
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// let expr = &res.expr; // TODO: Extract from tasks???...
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let cfgs = &res.cfgs;
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let cfgs = &res.cfgs;
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let ty = &res.ty;
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let ty = &res.ty;
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let mangled_name = util::mark_internal_ident(&name);
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let mangled_name = util::mark_internal_ident(&name);
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88
macros/src/codegen/local_resources_struct.rs
Normal file
88
macros/src/codegen/local_resources_struct.rs
Normal file
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@ -0,0 +1,88 @@
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use proc_macro2::TokenStream as TokenStream2;
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use quote::quote;
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use rtic_syntax::{ast::App, Context};
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use crate::codegen::util;
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/// Generates local resources structs
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pub fn codegen(ctxt: Context, needs_lt: &mut bool, app: &App) -> (TokenStream2, TokenStream2) {
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let mut lt = None;
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let resources = match ctxt {
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Context::Init => &app.init.args.local_resources,
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Context::Idle => &app.idle.unwrap().args.local_resources,
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Context::HardwareTask(name) => &app.hardware_tasks[name].args.local_resources,
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Context::SoftwareTask(name) => &app.software_tasks[name].args.local_resources,
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};
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let mut fields = vec![];
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let mut values = vec![];
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let mut has_cfgs = false;
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for (name, task_local) in resources {
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let res = app.local_resources.get(name).expect("UNREACHABLE");
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let cfgs = &res.cfgs;
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has_cfgs |= !cfgs.is_empty();
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let lt = if ctxt.runs_once() {
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quote!('static)
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} else {
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lt = Some(quote!('a));
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quote!('a)
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};
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let ty = &res.ty;
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let mangled_name = util::mark_internal_ident(&name);
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fields.push(quote!(
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#(#cfgs)*
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pub #name: &#lt mut #ty
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));
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let expr = quote!(&mut *#mangled_name.get_mut_unchecked().as_mut_ptr());
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values.push(quote!(
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#(#cfgs)*
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#name: #expr
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));
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}
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if lt.is_some() {
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*needs_lt = true;
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// The struct could end up empty due to `cfg`s leading to an error due to `'a` being unused
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if has_cfgs {
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fields.push(quote!(
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#[doc(hidden)]
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pub __marker__: core::marker::PhantomData<&'a ()>
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));
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values.push(quote!(__marker__: core::marker::PhantomData))
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}
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}
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let doc = format!("Local resources `{}` has access to", ctxt.ident(app));
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let ident = util::local_resources_ident(ctxt, app);
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let ident = util::mark_internal_ident(&ident);
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let item = quote!(
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#[allow(non_snake_case)]
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#[doc = #doc]
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pub struct #ident<#lt> {
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#(#fields,)*
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}
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);
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let constructor = quote!(
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impl<#lt> #ident<#lt> {
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#[inline(always)]
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pub unsafe fn new() -> Self {
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#ident {
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#(#values,)*
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}
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}
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}
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);
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(item, constructor)
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}
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@ -1,95 +0,0 @@
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use proc_macro2::TokenStream as TokenStream2;
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use quote::quote;
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use rtic_syntax::{
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ast::{App, Local},
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Context, Map,
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};
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use crate::codegen::util;
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pub fn codegen(
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ctxt: Context,
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locals: &Map<Local>,
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app: &App,
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) -> (
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// locals
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TokenStream2,
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// pat
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TokenStream2,
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) {
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assert!(!locals.is_empty());
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let runs_once = ctxt.runs_once();
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let ident = util::locals_ident(ctxt, app);
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let mut lt = None;
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let mut fields = vec![];
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let mut items = vec![];
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let mut names = vec![];
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let mut values = vec![];
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let mut pats = vec![];
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let mut has_cfgs = false;
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for (name, local) in locals {
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let lt = if runs_once {
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quote!('static)
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} else {
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lt = Some(quote!('a));
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quote!('a)
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};
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let cfgs = &local.cfgs;
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has_cfgs |= !cfgs.is_empty();
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let expr = &local.expr;
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let ty = &local.ty;
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fields.push(quote!(
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#(#cfgs)*
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#name: &#lt mut #ty
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));
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items.push(quote!(
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#(#cfgs)*
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#[doc(hidden)]
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static #name: rtic::RacyCell<#ty> = rtic::RacyCell::new(#expr)
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));
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values.push(quote!(
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#(#cfgs)*
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#name: #name.get_mut_unchecked()
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));
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names.push(name);
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pats.push(quote!(
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#(#cfgs)*
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#name
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));
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}
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if lt.is_some() && has_cfgs {
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fields.push(quote!(__marker__: core::marker::PhantomData<&'a ()>));
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values.push(quote!(__marker__: core::marker::PhantomData));
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}
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let locals = quote!(
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#[allow(non_snake_case)]
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#[doc(hidden)]
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pub struct #ident<#lt> {
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#(#fields),*
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}
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impl<#lt> #ident<#lt> {
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#[inline(always)]
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unsafe fn new() -> Self {
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#(#items;)*
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#ident {
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#(#values),*
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}
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}
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}
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);
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let ident = ctxt.ident(app);
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(
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locals,
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quote!(#ident::Locals { #(#pats,)* .. }: #ident::Locals),
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)
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}
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145
macros/src/codegen/shared_resources.rs
Normal file
145
macros/src/codegen/shared_resources.rs
Normal file
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@ -0,0 +1,145 @@
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use proc_macro2::TokenStream as TokenStream2;
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use quote::quote;
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use rtic_syntax::{analyze::Ownership, ast::App};
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use crate::{analyze::Analysis, check::Extra, codegen::util};
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/// Generates `static` variables and shared resource proxies
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pub fn codegen(
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app: &App,
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analysis: &Analysis,
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extra: &Extra,
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) -> (
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// mod_app -- the `static` variables behind the proxies
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Vec<TokenStream2>,
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// mod_resources -- the `resources` module
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TokenStream2,
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) {
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let mut mod_app = vec![];
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let mut mod_resources = vec![];
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|
|
||||||
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for (name, res) in app.shared_resources {
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let cfgs = &res.cfgs;
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let ty = &res.ty;
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let mangled_name = util::mark_internal_ident(&name);
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|
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||||||
|
{
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// late resources in `util::link_section_uninit`
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let section = if expr.is_none() {
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util::link_section_uninit(true)
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||||||
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} else {
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None
|
||||||
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};
|
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|
|
||||||
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// resource type and assigned value
|
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|
let (ty, expr) = if let Some(expr) = expr {
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|
// early resource
|
||||||
|
(
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quote!(rtic::RacyCell<#ty>),
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||||||
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quote!(rtic::RacyCell::new(#expr)),
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)
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||||||
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} else {
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// late resource
|
||||||
|
(
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quote!(rtic::RacyCell<core::mem::MaybeUninit<#ty>>),
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||||||
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quote!(rtic::RacyCell::new(core::mem::MaybeUninit::uninit())),
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||||||
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)
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||||||
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};
|
||||||
|
|
||||||
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let attrs = &res.attrs;
|
||||||
|
|
||||||
|
// For future use
|
||||||
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// let doc = format!(" RTIC internal: {}:{}", file!(), line!());
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||||||
|
mod_app.push(quote!(
|
||||||
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#[allow(non_upper_case_globals)]
|
||||||
|
// #[doc = #doc]
|
||||||
|
#[doc(hidden)]
|
||||||
|
#(#attrs)*
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||||||
|
#(#cfgs)*
|
||||||
|
#section
|
||||||
|
static #mangled_name: #ty = #expr;
|
||||||
|
));
|
||||||
|
}
|
||||||
|
|
||||||
|
let r_prop = &res.properties;
|
||||||
|
// For future use
|
||||||
|
// let doc = format!(" RTIC internal: {}:{}", file!(), line!());
|
||||||
|
|
||||||
|
if !r_prop.task_local && !r_prop.lock_free {
|
||||||
|
mod_resources.push(quote!(
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||||||
|
// #[doc = #doc]
|
||||||
|
#[doc(hidden)]
|
||||||
|
#[allow(non_camel_case_types)]
|
||||||
|
#(#cfgs)*
|
||||||
|
pub struct #name<'a> {
|
||||||
|
priority: &'a Priority,
|
||||||
|
}
|
||||||
|
|
||||||
|
#(#cfgs)*
|
||||||
|
impl<'a> #name<'a> {
|
||||||
|
#[inline(always)]
|
||||||
|
pub unsafe fn new(priority: &'a Priority) -> Self {
|
||||||
|
#name { priority }
|
||||||
|
}
|
||||||
|
|
||||||
|
#[inline(always)]
|
||||||
|
pub unsafe fn priority(&self) -> &Priority {
|
||||||
|
self.priority
|
||||||
|
}
|
||||||
|
}
|
||||||
|
));
|
||||||
|
|
||||||
|
let (ptr, _doc) = if expr.is_none() {
|
||||||
|
// late resource
|
||||||
|
(
|
||||||
|
quote!(
|
||||||
|
#(#cfgs)*
|
||||||
|
#mangled_name.get_mut_unchecked().as_mut_ptr()
|
||||||
|
),
|
||||||
|
"late",
|
||||||
|
)
|
||||||
|
} else {
|
||||||
|
// early resource
|
||||||
|
(
|
||||||
|
quote!(
|
||||||
|
#(#cfgs)*
|
||||||
|
#mangled_name.get_mut_unchecked()
|
||||||
|
),
|
||||||
|
"early",
|
||||||
|
)
|
||||||
|
};
|
||||||
|
|
||||||
|
let ceiling = match analysis.ownerships.get(name) {
|
||||||
|
Some(Ownership::Owned { priority }) => *priority,
|
||||||
|
Some(Ownership::CoOwned { priority }) => *priority,
|
||||||
|
Some(Ownership::Contended { ceiling }) => *ceiling,
|
||||||
|
None => 0,
|
||||||
|
};
|
||||||
|
|
||||||
|
// For future use
|
||||||
|
// let doc = format!(" RTIC internal ({} resource): {}:{}", doc, file!(), line!());
|
||||||
|
|
||||||
|
mod_app.push(util::impl_mutex(
|
||||||
|
extra,
|
||||||
|
cfgs,
|
||||||
|
true,
|
||||||
|
name,
|
||||||
|
quote!(#ty),
|
||||||
|
ceiling,
|
||||||
|
ptr,
|
||||||
|
));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
let mod_resources = if mod_resources.is_empty() {
|
||||||
|
quote!()
|
||||||
|
} else {
|
||||||
|
quote!(mod resources {
|
||||||
|
use rtic::export::Priority;
|
||||||
|
|
||||||
|
#(#mod_resources)*
|
||||||
|
})
|
||||||
|
};
|
||||||
|
|
||||||
|
(mod_app, mod_resources)
|
||||||
|
}
|
|
@ -4,14 +4,15 @@ use rtic_syntax::{ast::App, Context};
|
||||||
|
|
||||||
use crate::codegen::util;
|
use crate::codegen::util;
|
||||||
|
|
||||||
|
/// Generate shared resources structs
|
||||||
pub fn codegen(ctxt: Context, needs_lt: &mut bool, app: &App) -> (TokenStream2, TokenStream2) {
|
pub fn codegen(ctxt: Context, needs_lt: &mut bool, app: &App) -> (TokenStream2, TokenStream2) {
|
||||||
let mut lt = None;
|
let mut lt = None;
|
||||||
|
|
||||||
let resources = match ctxt {
|
let resources = match ctxt {
|
||||||
Context::Init => &app.inits.first().unwrap().args.resources,
|
Context::Init => unreachable!("Tried to generate shared resources struct for init"),
|
||||||
Context::Idle => &app.idles.first().unwrap().args.resources,
|
Context::Idle => &app.idle.unwrap().args.shared_resources,
|
||||||
Context::HardwareTask(name) => &app.hardware_tasks[name].args.resources,
|
Context::HardwareTask(name) => &app.hardware_tasks[name].args.shared_resources,
|
||||||
Context::SoftwareTask(name) => &app.software_tasks[name].args.resources,
|
Context::SoftwareTask(name) => &app.software_tasks[name].args.shared_resources,
|
||||||
};
|
};
|
||||||
|
|
||||||
let mut fields = vec![];
|
let mut fields = vec![];
|
||||||
|
@ -19,7 +20,7 @@ pub fn codegen(ctxt: Context, needs_lt: &mut bool, app: &App) -> (TokenStream2,
|
||||||
let mut has_cfgs = false;
|
let mut has_cfgs = false;
|
||||||
|
|
||||||
for (name, access) in resources {
|
for (name, access) in resources {
|
||||||
let (res, expr) = app.resource(name).expect("UNREACHABLE");
|
let res = app.shared_resources.get(name).expect("UNREACHABLE");
|
||||||
|
|
||||||
let cfgs = &res.cfgs;
|
let cfgs = &res.cfgs;
|
||||||
has_cfgs |= !cfgs.is_empty();
|
has_cfgs |= !cfgs.is_empty();
|
||||||
|
@ -33,10 +34,7 @@ pub fn codegen(ctxt: Context, needs_lt: &mut bool, app: &App) -> (TokenStream2,
|
||||||
let ty = &res.ty;
|
let ty = &res.ty;
|
||||||
let mangled_name = util::mark_internal_ident(&name);
|
let mangled_name = util::mark_internal_ident(&name);
|
||||||
|
|
||||||
// let ownership = &analysis.ownerships[name];
|
if !res.properties.lock_free {
|
||||||
let r_prop = &res.properties;
|
|
||||||
|
|
||||||
if !r_prop.task_local && !r_prop.lock_free {
|
|
||||||
if access.is_shared() {
|
if access.is_shared() {
|
||||||
lt = Some(quote!('a));
|
lt = Some(quote!('a));
|
||||||
|
|
||||||
|
@ -76,8 +74,6 @@ pub fn codegen(ctxt: Context, needs_lt: &mut bool, app: &App) -> (TokenStream2,
|
||||||
));
|
));
|
||||||
}
|
}
|
||||||
|
|
||||||
let is_late = expr.is_none();
|
|
||||||
if is_late {
|
|
||||||
let expr = if access.is_exclusive() {
|
let expr = if access.is_exclusive() {
|
||||||
quote!(&mut *#mangled_name.get_mut_unchecked().as_mut_ptr())
|
quote!(&mut *#mangled_name.get_mut_unchecked().as_mut_ptr())
|
||||||
} else {
|
} else {
|
||||||
|
@ -88,12 +84,6 @@ pub fn codegen(ctxt: Context, needs_lt: &mut bool, app: &App) -> (TokenStream2,
|
||||||
#(#cfgs)*
|
#(#cfgs)*
|
||||||
#name: #expr
|
#name: #expr
|
||||||
));
|
));
|
||||||
} else {
|
|
||||||
values.push(quote!(
|
|
||||||
#(#cfgs)*
|
|
||||||
#name: #mangled_name.get_mut_unchecked()
|
|
||||||
));
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
|
|
||||||
if lt.is_some() {
|
if lt.is_some() {
|
||||||
|
@ -110,8 +100,8 @@ pub fn codegen(ctxt: Context, needs_lt: &mut bool, app: &App) -> (TokenStream2,
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
let doc = format!("Resources `{}` has access to", ctxt.ident(app));
|
let doc = format!("Shared resources `{}` has access to", ctxt.ident(app));
|
||||||
let ident = util::resources_ident(ctxt, app);
|
let ident = util::shared_resources_ident(ctxt, app);
|
||||||
let ident = util::mark_internal_ident(&ident);
|
let ident = util::mark_internal_ident(&ident);
|
||||||
let item = quote!(
|
let item = quote!(
|
||||||
#[allow(non_snake_case)]
|
#[allow(non_snake_case)]
|
|
@ -166,8 +166,8 @@ pub fn link_section_uninit(empty_expr: bool) -> Option<TokenStream2> {
|
||||||
/// Generates a pre-reexport identifier for the "locals" struct
|
/// Generates a pre-reexport identifier for the "locals" struct
|
||||||
pub fn locals_ident(ctxt: Context, app: &App) -> Ident {
|
pub fn locals_ident(ctxt: Context, app: &App) -> Ident {
|
||||||
let mut s = match ctxt {
|
let mut s = match ctxt {
|
||||||
Context::Init => app.inits.first().unwrap().name.to_string(),
|
Context::Init => app.init.name.to_string(),
|
||||||
Context::Idle => app.idles.first().unwrap().name.to_string(),
|
Context::Idle => app.idle.unwrap().name.to_string(),
|
||||||
Context::HardwareTask(ident) | Context::SoftwareTask(ident) => ident.to_string(),
|
Context::HardwareTask(ident) | Context::SoftwareTask(ident) => ident.to_string(),
|
||||||
};
|
};
|
||||||
|
|
||||||
|
@ -225,15 +225,28 @@ pub fn regroup_inputs(
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
/// Generates a pre-reexport identifier for the "resources" struct
|
/// Generates a pre-reexport identifier for the "shared resources" struct
|
||||||
pub fn resources_ident(ctxt: Context, app: &App) -> Ident {
|
pub fn shared_resources_ident(ctxt: Context, app: &App) -> Ident {
|
||||||
let mut s = match ctxt {
|
let mut s = match ctxt {
|
||||||
Context::Init => app.inits.first().unwrap().name.to_string(),
|
Context::Init => app.init.name.to_string(),
|
||||||
Context::Idle => app.idles.first().unwrap().name.to_string(),
|
Context::Idle => app.idle.unwrap().name.to_string(),
|
||||||
Context::HardwareTask(ident) | Context::SoftwareTask(ident) => ident.to_string(),
|
Context::HardwareTask(ident) | Context::SoftwareTask(ident) => ident.to_string(),
|
||||||
};
|
};
|
||||||
|
|
||||||
s.push_str("Resources");
|
s.push_str("SharedResources");
|
||||||
|
|
||||||
|
Ident::new(&s, Span::call_site())
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Generates a pre-reexport identifier for the "local resources" struct
|
||||||
|
pub fn local_resources_ident(ctxt: Context, app: &App) -> Ident {
|
||||||
|
let mut s = match ctxt {
|
||||||
|
Context::Init => app.init.name.to_string(),
|
||||||
|
Context::Idle => app.idle.unwrap().name.to_string(),
|
||||||
|
Context::HardwareTask(ident) | Context::SoftwareTask(ident) => ident.to_string(),
|
||||||
|
};
|
||||||
|
|
||||||
|
s.push_str("LocalResources");
|
||||||
|
|
||||||
Ident::new(&s, Span::call_site())
|
Ident::new(&s, Span::call_site())
|
||||||
}
|
}
|
||||||
|
|
Loading…
Reference in a new issue