From 8eccef7d9cda8a60594b86d31b656a3680d1ca16 Mon Sep 17 00:00:00 2001
From: Jorge Aparicio <jorge@japaric.io>
Date: Tue, 26 Feb 2019 23:25:16 +0100
Subject: refactor: make `binds` harder to misuse

---
 macros/src/syntax.rs | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'macros/src/syntax.rs')

diff --git a/macros/src/syntax.rs b/macros/src/syntax.rs
index 23981d9..7f87f63 100644
--- a/macros/src/syntax.rs
+++ b/macros/src/syntax.rs
@@ -731,13 +731,20 @@ pub struct Exception {
 }
 
 pub struct ExceptionArgs {
-    pub binds: Option<Ident>,
+    binds: Option<Ident>,
     pub priority: u8,
     pub resources: Idents,
     pub schedule: Idents,
     pub spawn: Idents,
 }
 
+impl ExceptionArgs {
+    /// Returns the name of the exception / interrupt this handler binds to
+    pub fn binds<'a>(&'a self, handler: &'a Ident) -> &'a Ident {
+        self.binds.as_ref().unwrap_or(handler)
+    }
+}
+
 impl Parse for ExceptionArgs {
     fn parse(input: ParseStream<'_>) -> parse::Result<Self> {
         parse_args(input, /* binds */ true, /* capacity */ false).map(
-- 
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