From 960676a2de16f046be01f0ef54ec4efe93ce612d Mon Sep 17 00:00:00 2001
From: matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 11 Jul 2000 08:27:06 +0000
Subject: matz

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@825 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 parse.y | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'parse.y')

diff --git a/parse.y b/parse.y
index 615519a908..eb9c5e6198 100644
--- a/parse.y
+++ b/parse.y
@@ -3432,6 +3432,9 @@ yylex()
 	    tokadd('@');
 	    c = nextc();
 	}
+	if (ISDIGIT(c)) {
+	    rb_compile_error("`@%c' is not a valid instance variable name", c);
+	}
 	if (!is_identchar(c)) {
 	    pushback(c);
 	    return '@';
@@ -3439,8 +3442,8 @@ yylex()
 	break;
 
       default:
-	if (c != '_' && !ISALPHA(c) && !ismbchar(c)) {
-	    rb_compile_error("Invalid char '%c' in expression", c);
+	if (!is_identchar(c) || ISDIGIT(c)) {
+	    rb_compile_error("Invalid char '%c'(%03o) in expression", c, c);
 	    goto retry;
 	}
 
-- 
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