From 5ce4d2d422b41d518362f6cdb652ee71d906ee34 Mon Sep 17 00:00:00 2001
From: otya128 <otya128@users.noreply.github.com>
Date: Wed, 31 Aug 2016 01:12:00 +0900
Subject: [PATCH] =?UTF-8?q?=E5=9E=8B=E6=A4=9C=E6=9F=BB=E6=BC=8F=E3=82=8C?=
 =?UTF-8?q?=E3=82=92=E4=BF=AE=E6=AD=A3?=
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---
 SMILEBASIC/VM.d | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/SMILEBASIC/VM.d b/SMILEBASIC/VM.d
index 093c9be..c49af27 100644
--- a/SMILEBASIC/VM.d
+++ b/SMILEBASIC/VM.d
@@ -558,6 +558,9 @@ class Operate : Code
                 }
             }
         }
+        if (!l.isNumber || !r.isNumber)
+            throw new TypeMismatch();
+
         int li = l.integerValue;
         double ld = l.integerValue;
         if(l.type == ValueType.Double)