derive: define separate ParseError type

1 files changed, 5 insertions, 1 deletions

diff --git a/askama_derive/src/generator.rs b/askama_derive/src/generator.rs
index f8b9ecb..f17b6f6 100644
--- a/askama_derive/src/generator.rs
+++ b/askama_derive/src/generator.rs
@@ -259,7 +259,11 @@ mod _parsed {
             // internally we will transmute it to `&'static str` to satisfy the compiler.
             // However, we only expose the nodes with a lifetime limited to `self`.
             let src = unsafe { mem::transmute::<&str, &'static str>(source.as_str()) };
-            let nodes = parse(src, syntax)?;
+            let nodes = match parse(src, syntax) {
+                Ok(nodes) => nodes,
+                Err(e) => return Err(e.to_string().into()),
+            };
+
             Ok(Self { source, nodes })
         }