From 05e2d447ccd8af55407b484d45a77c629200171d Mon Sep 17 00:00:00 2001
From: otya128 <otya128@users.noreply.github.com>
Date: Wed, 31 Aug 2016 17:10:52 +0900
Subject: [PATCH] =?UTF-8?q?=E5=88=9D=E6=9C=9F=E5=80=A4=E3=82=92=E6=8C=87?=
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---
 SMILEBASIC/compiler.d | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/SMILEBASIC/compiler.d b/SMILEBASIC/compiler.d
index 9adce21..791f30a 100644
--- a/SMILEBASIC/compiler.d
+++ b/SMILEBASIC/compiler.d
@@ -656,8 +656,11 @@ class Compiler
             {
                 DefineVariable var = cast(DefineVariable)v;
                 defineVarIndex(var.name, sc);
-                compileExpression(var.expression, sc);
-                genCodePopVar(var.name, sc);
+                if (var.expression)
+                {
+                    compileExpression(var.expression, sc);
+                    genCodePopVar(var.name, sc);
+                }
                 continue;
             }
             if(v.type == NodeType.DefineArray)