From 09820e5aed2768e80e9733dac040ebfe4ed1e53a Mon Sep 17 00:00:00 2001
From: ychenfo <yc@m-labs.hk>
Date: Sun, 15 May 2022 02:08:00 +0800
Subject: [PATCH] nac3artiq: return err instead of panic for host object
 attribute error

---
 nac3artiq/src/lib.rs             | 5 ++++-
 nac3artiq/src/symbol_resolver.rs | 5 ++++-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/nac3artiq/src/lib.rs b/nac3artiq/src/lib.rs
index fea0abbdb..3c0063501 100644
--- a/nac3artiq/src/lib.rs
+++ b/nac3artiq/src/lib.rs
@@ -671,7 +671,10 @@ impl Nac3 {
                     &mut composer.unifier,
                     &self.primitive,
                 );
-                return Err(CompileError::new_err(msg.unwrap_or(e)));
+                return Err(CompileError::new_err(format!(
+                    "compilation failed\n----------\n{}",
+                    msg.unwrap_or(e)
+                )));
             }
         }
         let top_level = Arc::new(composer.make_top_level_context());
diff --git a/nac3artiq/src/symbol_resolver.rs b/nac3artiq/src/symbol_resolver.rs
index ff4e715b2..434a724f2 100644
--- a/nac3artiq/src/symbol_resolver.rs
+++ b/nac3artiq/src/symbol_resolver.rs
@@ -670,7 +670,10 @@ impl InnerResolver {
                         if let TypeEnum::TFunc(..) = &*unifier.get_ty(field.1.0) {
                             continue;
                         } else {
-                            let field_data = obj.getattr(&name)?;
+                            let field_data = match obj.getattr(&name) {
+                                Ok(d) => d,
+                                Err(e) => return Ok(Err(format!("{}", e))),
+                            };
                             let ty = match self
                                 .get_obj_type(py, field_data, unifier, defs, primitives)?
                             {