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author | 2023-01-23 20:05:47 +0100 | |
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committer | 2023-03-01 00:33:31 +0100 | |
commit | 306aa47170fd59369b7a184924e287dc3706d64d (patch) | |
tree | 75a331a63a4021f078e330bf2ce4edb1228e2ecf /macros/src/codegen/shared_resources_struct.rs | |
parent | b8b881f446a226d6f3c4a7db7c9174590b47dbf6 (diff) | |
download | rtic-306aa47170fd59369b7a184924e287dc3706d64d.tar.gz rtic-306aa47170fd59369b7a184924e287dc3706d64d.tar.zst rtic-306aa47170fd59369b7a184924e287dc3706d64d.zip |
Add rtic-timer (timerqueue + monotonic) and rtic-monotonics (systick-monotonic)
Diffstat (limited to 'macros/src/codegen/shared_resources_struct.rs')
-rw-r--r-- | macros/src/codegen/shared_resources_struct.rs | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/macros/src/codegen/shared_resources_struct.rs b/macros/src/codegen/shared_resources_struct.rs deleted file mode 100644 index fa6f0fcb..00000000 --- a/macros/src/codegen/shared_resources_struct.rs +++ /dev/null @@ -1,119 +0,0 @@ -use crate::syntax::{ast::App, Context}; -use proc_macro2::TokenStream as TokenStream2; -use quote::quote; - -use crate::codegen::util; - -/// Generate shared resources structs -pub fn codegen(ctxt: Context, app: &App) -> (TokenStream2, TokenStream2) { - let resources = match ctxt { - Context::Init => unreachable!("Tried to generate shared resources struct for init"), - Context::Idle => { - &app.idle - .as_ref() - .expect("RTIC-ICE: unable to get idle name") - .args - .shared_resources - } - Context::HardwareTask(name) => &app.hardware_tasks[name].args.shared_resources, - Context::SoftwareTask(name) => &app.software_tasks[name].args.shared_resources, - }; - - let mut fields = vec![]; - let mut values = vec![]; - - for (name, access) in resources { - let res = app.shared_resources.get(name).expect("UNREACHABLE"); - - let cfgs = &res.cfgs; - - // access hold if the resource is [x] (exclusive) or [&x] (shared) - let mut_ = if access.is_exclusive() { - Some(quote!(mut)) - } else { - None - }; - let ty = &res.ty; - let mangled_name = util::static_shared_resource_ident(name); - let shared_name = util::need_to_lock_ident(name); - - if res.properties.lock_free { - // Lock free resources of `idle` and `init` get 'static lifetime - let lt = if ctxt.runs_once() { - quote!('static) - } else { - quote!('a) - }; - - fields.push(quote!( - #(#cfgs)* - #[allow(missing_docs)] - pub #name: &#lt #mut_ #ty - )); - } else if access.is_shared() { - fields.push(quote!( - #(#cfgs)* - #[allow(missing_docs)] - pub #name: &'a #ty - )); - } else { - fields.push(quote!( - #(#cfgs)* - #[allow(missing_docs)] - pub #name: shared_resources::#shared_name<'a> - )); - - values.push(quote!( - #(#cfgs)* - #name: shared_resources::#shared_name::new() - - )); - - // continue as the value has been filled, - continue; - } - - let expr = if access.is_exclusive() { - quote!(&mut *(&mut *#mangled_name.get_mut()).as_mut_ptr()) - } else { - quote!(&*(&*#mangled_name.get()).as_ptr()) - }; - - values.push(quote!( - #(#cfgs)* - #name: #expr - )); - } - - fields.push(quote!( - #[doc(hidden)] - pub __rtic_internal_marker: core::marker::PhantomData<&'a ()> - )); - - values.push(quote!(__rtic_internal_marker: core::marker::PhantomData)); - - let doc = format!("Shared resources `{}` has access to", ctxt.ident(app)); - let ident = util::shared_resources_ident(ctxt, app); - let item = quote!( - #[allow(non_snake_case)] - #[allow(non_camel_case_types)] - #[doc = #doc] - pub struct #ident<'a> { - #(#fields,)* - } - ); - - let constructor = quote!( - impl<'a> #ident<'a> { - #[inline(always)] - #[allow(missing_docs)] - pub unsafe fn new() -> Self { - #ident { - #(#values,)* - } - } - } - ); - - (item, constructor) -} |