From c3310327552163e2d19bea1f38287dab22d38028 Mon Sep 17 00:00:00 2001
From: Seo Sanghyeon <sanxiyn@gmail.com>
Date: Mon, 9 May 2016 23:09:25 +0900
Subject: Better handling of tab in error

---
 src/libsyntax/errors/snippet/mod.rs | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

(limited to 'src/libsyntax/errors/snippet/mod.rs')

diff --git a/src/libsyntax/errors/snippet/mod.rs b/src/libsyntax/errors/snippet/mod.rs
index 237e6823e0f..0699c6f4ac2 100644
--- a/src/libsyntax/errors/snippet/mod.rs
+++ b/src/libsyntax/errors/snippet/mod.rs
@@ -312,9 +312,15 @@ impl StyledBuffer {
             self.text[line][col] = chr;
             self.styles[line][col] = style;
         } else {
-            while self.text[line].len() < col {
-                self.text[line].push(' ');
+            let mut i = self.text[line].len();
+            while i < col {
+                let s = match self.text[0].get(i) {
+                    Some(&'\t') => '\t',
+                    _ => ' '
+                };
+                self.text[line].push(s);
                 self.styles[line].push(Style::NoStyle);
+                i += 1;
             }
             self.text[line].push(chr);
             self.styles[line].push(style);
-- 
cgit 1.4.1-3-g733a5