Merge remote-tracking branch 'upstream/master' into pr/Demonthos/473

packages/rsx_interpreter/src/interperter.rs

@@ -39,7 +39,7 @@ fn resolve_ifmt(ifmt: &IfmtInput, captured: &IfmtArgs) -> Result<String, Error>
                     }
                 }
             }
-            Segment::Literal(lit) => result.push_str(lit),
+            Segment::Literal(lit) => result.push_str(&lit),
         }
     }
     Ok(result)
@@ -126,12 +126,12 @@ fn build_node<'a>(
 
                         ElementAttr::AttrExpression { .. }
                         | ElementAttr::CustomAttrExpression { .. } => {
-                            let (name, value) = match &attr.attr {
+                            let (name, value, span) = match &attr.attr {
                                 ElementAttr::AttrExpression { name, value } => {
-                                    (name.to_string(), value)
+                                    (name.to_string(), value, name.span())
                                 }
                                 ElementAttr::CustomAttrExpression { name, value } => {
-                                    (name.value(), value)
+                                    (name.value(), value, name.span())
                                 }
                                 _ => unreachable!(),
                             };
@@ -151,6 +151,14 @@ fn build_node<'a>(
                                         is_volatile: false,
                                         namespace,
                                     });
+                                } else {
+                                    return Err(Error::ParseError(ParseError::new(
+                                        syn::Error::new(
+                                            span,
+                                            format!("unknown attribute: {}", name),
+                                        ),
+                                        ctx.location.clone(),
+                                    )));
                                 }
                             } else {
                                 return Err(Error::RecompileRequiredError(