From 923ba89e2f9ffc0303f87a7b6cce101b49c979e8 Mon Sep 17 00:00:00 2001
From: Jeremy Wall <jeremy@marzhillstudios.com>
Date: Wed, 20 Feb 2019 20:39:28 -0600
Subject: [PATCH] REFACTOR: Correctly use parse errors as a cause.

---
 src/build/mod.rs | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/src/build/mod.rs b/src/build/mod.rs
index 7767d07..f81cac8 100644
--- a/src/build/mod.rs
+++ b/src/build/mod.rs
@@ -329,11 +329,17 @@ impl<'a> FileBuilder<'a> {
                     Some(val) => Ok(val),
                 }
             }
-            Err(err) => Err(Box::new(error::BuildError::with_pos(
-                format!("{}", err,),
-                error::ErrorType::ParseError,
-                (&input).into(),
-            ))),
+            // TODO(jwall): We can probably use actual errors now?
+            Err(err) => {
+                let cause = Box::new(simple_error::SimpleError::new(err));
+                Err(error::BuildError::with_pos(
+                    "Unable to parse input",
+                    error::ErrorType::ParseError,
+                    (&input).into(),
+                )
+                .wrap_cause(cause)
+                .to_boxed())
+            }
         }
     }