From 59698de7185dfae508e5ccea4377a82023c4a0d5 Mon Sep 17 00:00:00 2001
From: Guillaume Maudoux <layus.on@gmail.com>
Date: Thu, 5 Dec 2019 14:19:14 +0100
Subject: [PATCH] Handle errors located in raw strings

---
 src/Nix/Render.hs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/Nix/Render.hs b/src/Nix/Render.hs
index 3430006..ea5cf9b 100644
--- a/src/Nix/Render.hs
+++ b/src/Nix/Render.hs
@@ -77,6 +77,9 @@ posAndMsg (SourcePos _ lineNo _) msg = FancyError
 
 renderLocation :: MonadFile m => SrcSpan -> Doc a -> m (Doc a)
 renderLocation (SrcSpan (SourcePos file begLine begCol) (SourcePos file' endLine endCol)) msg
+  | file == file' && file == "<string>" && begLine == endLine
+  = pure $ "In raw input string at position " <> pretty (unPos begCol)
+
   | file /= "<string>" && file == file'
   = do
     exist <- doesFileExist file