From b588e5a5b7cfc0e7a1c84c235a0f5daa5bf83a47 Mon Sep 17 00:00:00 2001
From: KOBAYASHI Shuji <shuujii@gmail.com>
Date: Sun, 17 Mar 2019 16:58:31 +0900
Subject: Fix class/instance variable name validation

- `@@?` etc are invalid class variable name.
- `@1` etc are invalid instance variable name.
---
 src/variable.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/variable.c')

diff --git a/src/variable.c b/src/variable.c
index b712af261..90efe9e0e 100644
--- a/src/variable.c
+++ b/src/variable.c
@@ -437,7 +437,7 @@ mrb_iv_name_sym_p(mrb_state *mrb, mrb_sym iv_name)
   s = mrb_sym2name_len(mrb, iv_name, &len);
   if (len < 2) return FALSE;
   if (s[0] != '@') return FALSE;
-  if (s[1] == '@') return FALSE;
+  if (ISDIGIT(s[1])) return FALSE;
   return mrb_ident_p(s+1, len-1);
 }
 
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