diff options
Diffstat (limited to 'macros/src/syntax/check.rs')
-rw-r--r-- | macros/src/syntax/check.rs | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/macros/src/syntax/check.rs b/macros/src/syntax/check.rs deleted file mode 100644 index 989d4180..00000000 --- a/macros/src/syntax/check.rs +++ /dev/null @@ -1,66 +0,0 @@ -use std::collections::HashSet; - -use syn::parse; - -use crate::syntax::ast::App; - -pub fn app(app: &App) -> parse::Result<()> { - // Check that all referenced resources have been declared - // Check that resources are NOT `Exclusive`-ly shared - let mut owners = HashSet::new(); - for (_, name, access) in app.shared_resource_accesses() { - if app.shared_resources.get(name).is_none() { - return Err(parse::Error::new( - name.span(), - "this shared resource has NOT been declared", - )); - } - - if access.is_exclusive() { - owners.insert(name); - } - } - - for name in app.local_resource_accesses() { - if app.local_resources.get(name).is_none() { - return Err(parse::Error::new( - name.span(), - "this local resource has NOT been declared", - )); - } - } - - // Check that no resource has both types of access (`Exclusive` & `Shared`) - let exclusive_accesses = app - .shared_resource_accesses() - .filter_map(|(priority, name, access)| { - if priority.is_some() && access.is_exclusive() { - Some(name) - } else { - None - } - }) - .collect::<HashSet<_>>(); - for (_, name, access) in app.shared_resource_accesses() { - if access.is_shared() && exclusive_accesses.contains(name) { - return Err(parse::Error::new( - name.span(), - "this implementation doesn't support shared (`&-`) - exclusive (`&mut-`) locks; use `x` instead of `&x`", - )); - } - } - - // check that dispatchers are not used as hardware tasks - for task in app.hardware_tasks.values() { - let binds = &task.args.binds; - - if app.args.dispatchers.contains_key(binds) { - return Err(parse::Error::new( - binds.span(), - "dispatcher interrupts can't be used as hardware tasks", - )); - } - } - - Ok(()) -} |