From 074416b2e2ec008cae00263846a503467f3291ac Mon Sep 17 00:00:00 2001
From: paladin-t <hellotony521@qq.com>
Date: Mon, 22 Feb 2016 16:27:48 +0800
Subject: [PATCH] *accepted non parameter RAISE statement.

---
 shell/main.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/shell/main.c b/shell/main.c
index 246ee4e..27adef7 100755
--- a/shell/main.c
+++ b/shell/main.c
@@ -1224,7 +1224,9 @@ static int raise(struct mb_interpreter_t* s, void** l) {
 
 	mb_check(mb_attempt_open_bracket(s, l));
 
-	mb_check(mb_pop_int(s, l, &err));
+	if(mb_has_arg(s, l)) {
+		mb_check(mb_pop_int(s, l, &err));
+	}
 
 	mb_check(mb_attempt_close_bracket(s, l));