From 39c5a7606ecc8f5a1ef7eeee1b4d4b522fd1cd3c Mon Sep 17 00:00:00 2001
From: otya128 <otya128@users.noreply.github.com>
Date: Wed, 31 Aug 2016 17:20:12 +0900
Subject: [PATCH] =?UTF-8?q?COMMON=20DEF=E3=82=92=E3=83=91=E3=83=BC?=
 =?UTF-8?q?=E3=82=B9=E3=81=A7=E3=81=8D=E3=82=8B=E3=82=88=E3=81=86=E3=81=AB?=
 =?UTF-8?q?=E3=81=97=E3=81=9F?=
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---
 SMILEBASIC/parser.d | 16 +++++++++++++++-
 SMILEBASIC/token.d  |  1 +
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/SMILEBASIC/parser.d b/SMILEBASIC/parser.d
index 8a91c80..47dc00f 100644
--- a/SMILEBASIC/parser.d
+++ b/SMILEBASIC/parser.d
@@ -75,6 +75,7 @@ class Lexical
         reserved["TRUE"] = TokenType.True;
         reserved["FALSE"] = TokenType.False;
         reserved["CALL"] = TokenType.Call;
+        reserved["COMMON"] = TokenType.Common;
         reserved.rehash();
     }
     this(wstring input)
@@ -526,7 +527,20 @@ class Parser
         {
             auto token = lex.front();
             Statement statement;
-            if(token.type == TokenType.Def)
+            if(token.type == TokenType.Common)
+            {
+                lex.popFront();
+                token = lex.front();
+                if (token.type != TokenType.Def)
+                {
+                    syntaxError();
+                }
+                else
+                {
+                    statement = defineFunction();
+                }
+            }
+            else if(token.type == TokenType.Def)
             {
                 statement = defineFunction();
             }
diff --git a/SMILEBASIC/token.d b/SMILEBASIC/token.d
index 35277f3..d32fd20 100644
--- a/SMILEBASIC/token.d
+++ b/SMILEBASIC/token.d
@@ -68,6 +68,7 @@ enum TokenType
     Use,
     Exec,
     Call,
+    Common,
 }
 
 struct Token