From: Alexis Laferrière <alexis.laf@xymus.net>
Date: Mon, 1 Dec 2014 20:38:12 +0000 (-0500)
Subject: src/location: support calling `colored_line` when `start_column == 0`
X-Git-Tag: v0.7~84^2~4
X-Git-Url: http://nitlanguage.org

src/location: support calling `colored_line` when `start_column == 0`

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
---

diff --git a/src/location.nit b/src/location.nit
index 993ce7d..8ed4428 100644
--- a/src/location.nit
+++ b/src/location.nit
@@ -174,7 +174,12 @@ class Location
 		while line_end+1 < string.length and string.chars[line_end+1] != '\n' and string.chars[line_end+1] != '\r' do
 			line_end += 1
 		end
-		var lstart = string.substring(line_start, l.column_start - 1)
+		var lstart
+		if l.column_start > 0 then
+			lstart = string.substring(line_start, l.column_start - 1)
+		else
+			lstart = ""
+		end
 		var cend
 		if i != l.line_end then
 			cend = line_end - line_start + 1