From 8623c27498b696e5acfff0ec7d20f03b29035c76 Mon Sep 17 00:00:00 2001
From: sinkuu <sinkuu@aol.jp>
Date: Wed, 9 Jul 2014 18:27:19 +0900
Subject: [PATCH] Fix BackwardsRangeCheck fails on noninteger slice

---
 analysis/range.d | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/analysis/range.d b/analysis/range.d
index 3f37fae..0722329 100644
--- a/analysis/range.d
+++ b/analysis/range.d
@@ -74,18 +74,23 @@ class BackwardsRangeCheck : BaseAnalyzer
 
 	override void visit(const PrimaryExpression primary)
 	{
+		import std.conv;
+
 		if (state == State.ignore || !isNumberLiteral(primary.primary.type))
 			return;
 		if (state == State.left)
 		{
 			line = primary.primary.line;
 			this.column = primary.primary.column;
-			left = parseNumber(primary.primary.text);
+
+			try left = parseNumber(primary.primary.text);
+			catch (ConvException e) return;
 			hasLeft = true;
 		}
 		else
 		{
-			right = parseNumber(primary.primary.text);
+			try right = parseNumber(primary.primary.text);
+			catch (ConvException e) return;
 			hasRight = true;
 		}
 	}