1 files changed, 53 insertions, 0 deletions
diff --git a/rtic-macros/src/codegen/assertions.rs b/rtic-macros/src/codegen/assertions.rs
new file mode 100644
index 00000000..dd94aa6d
--- /dev/null
+++ b/rtic-macros/src/codegen/assertions.rs
@@ -0,0 +1,53 @@
+use proc_macro2::TokenStream as TokenStream2;
+use quote::quote;
+
+use crate::syntax::ast::App;
+use crate::{analyze::Analysis, codegen::util};
+
+/// Generates compile-time assertions that check that types implement the `Send` / `Sync` traits
+pub fn codegen(app: &App, analysis: &Analysis) -> Vec<TokenStream2> {
+    let mut stmts = vec![];
+
+    for ty in &analysis.send_types {
+        stmts.push(quote!(rtic::export::assert_send::<#ty>();));
+    }
+
+    for ty in &analysis.sync_types {
+        stmts.push(quote!(rtic::export::assert_sync::<#ty>();));
+    }
+
+    let device = &app.args.device;
+    let chunks_name = util::priority_mask_chunks_ident();
+    let no_basepri_checks: Vec<_> = app
+        .hardware_tasks
+        .iter()
+        .filter_map(|(_, task)| {
+            if !util::is_exception(&task.args.binds) {
+                let interrupt_name = &task.args.binds;
+                Some(quote!(
+                    if (#device::Interrupt::#interrupt_name as usize) >= (#chunks_name * 32) {
+                        ::core::panic!("An interrupt out of range is used while in armv6 or armv8m.base");
+                    }
+                ))
+            } else {
+                None
+            }
+        })
+        .collect();
+
+    let const_check = quote! {
+        const _CONST_CHECK: () = {
+            if !rtic::export::have_basepri() {
+                #(#no_basepri_checks)*
+            } else {
+                // TODO: Add armv7 checks here
+            }
+        };
+
+        let _ = _CONST_CHECK;
+    };
+
+    stmts.push(const_check);
+
+    stmts
+}