More `track_caller` annotations

3 files changed, 5 insertions, 2 deletions

diff --git a/src/syntax/ast.rs b/src/syntax/ast.rs
index 3b573f7d..a24b9fa2 100644
--- a/src/syntax/ast.rs
+++ b/src/syntax/ast.rs
@@ -406,7 +406,7 @@ impl Shorthand {
             "|->" => '↦',
             "<->" => '↔',
             "<=>" => '⇔',
-            _ => panic!("shorthand is invalid"),
+            _ => char::default(),
         }
     }
 }
@@ -879,7 +879,7 @@ impl Numeric {
             "em" => Unit::Em,
             "fr" => Unit::Fr,
             "%" => Unit::Percent,
-            _ => panic!("number has invalid suffix"),
+            _ => Unit::Percent,
         };
 
         (value, unit)
diff --git a/src/syntax/parser.rs b/src/syntax/parser.rs
index a046b685..7eadf94a 100644
--- a/src/syntax/parser.rs
+++ b/src/syntax/parser.rs
@@ -1025,6 +1025,7 @@ impl<'s> Parser<'s> {
         self.current == kind
     }
 
+    #[track_caller]
     fn assert(&mut self, kind: SyntaxKind) {
         assert_eq!(self.current, kind);
         self.eat();
diff --git a/src/syntax/span.rs b/src/syntax/span.rs
index 22ada359..0e4ec215 100644
--- a/src/syntax/span.rs
+++ b/src/syntax/span.rs
@@ -38,6 +38,7 @@ impl Span {
     /// Create a new span from a source id and a unique number.
     ///
     /// Panics if the `number` is not contained in `FULL`.
+    #[track_caller]
     pub const fn new(id: SourceId, number: u64) -> Self {
         assert!(
             Self::FULL.start <= number && number < Self::FULL.end,
@@ -53,6 +54,7 @@ impl Span {
     }
 
     /// Pack the components into a span.
+    #[track_caller]
     const fn pack(id: SourceId, number: u64) -> Span {
         let bits = ((id.into_u16() as u64) << Self::BITS) | number;
         match NonZeroU64::new(bits) {