1 files changed, 0 insertions, 66 deletions

diff --git a/embassy-macros/src/macros/cortex_m_interrupt.rs b/embassy-macros/src/macros/cortex_m_interrupt.rs
deleted file mode 100644
index 13af8ca07..000000000
--- a/embassy-macros/src/macros/cortex_m_interrupt.rs
+++ /dev/null
@@ -1,66 +0,0 @@
-use std::iter;
-
-use darling::FromMeta;
-use proc_macro2::TokenStream;
-use quote::quote;
-use syn::{ReturnType, Type, Visibility};
-
-use crate::util::ctxt::Ctxt;
-
-#[derive(Debug, FromMeta)]
-struct Args {}
-
-pub fn run(args: syn::AttributeArgs, mut f: syn::ItemFn) -> Result<TokenStream, TokenStream> {
-    let _args = Args::from_list(&args).map_err(|e| e.write_errors())?;
-
-    let ident = f.sig.ident.clone();
-    let ident_s = ident.to_string();
-
-    // XXX should we blacklist other attributes?
-
-    let valid_signature = f.sig.constness.is_none()
-        && f.vis == Visibility::Inherited
-        && f.sig.abi.is_none()
-        && f.sig.inputs.is_empty()
-        && f.sig.generics.params.is_empty()
-        && f.sig.generics.where_clause.is_none()
-        && f.sig.variadic.is_none()
-        && match f.sig.output {
-            ReturnType::Default => true,
-            ReturnType::Type(_, ref ty) => match **ty {
-                Type::Tuple(ref tuple) => tuple.elems.is_empty(),
-                Type::Never(..) => true,
-                _ => false,
-            },
-        };
-
-    let ctxt = Ctxt::new();
-
-    if !valid_signature {
-        ctxt.error_spanned_by(
-            &f.sig,
-            "`#[interrupt]` handlers must have signature `[unsafe] fn() [-> !]`",
-        );
-    }
-
-    ctxt.check()?;
-
-    f.block.stmts = iter::once(
-        syn::parse2(quote! {{
-            // Check that this interrupt actually exists
-            let __irq_exists_check: interrupt::#ident;
-        }})
-        .unwrap(),
-    )
-    .chain(f.block.stmts)
-    .collect();
-
-    let result = quote!(
-        #[doc(hidden)]
-        #[export_name = #ident_s]
-        #[allow(non_snake_case)]
-        #f
-    );
-
-    Ok(result)
-}