From 54a04074256fa85db5da3bf0041773ddc3391196 Mon Sep 17 00:00:00 2001
From: matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 3 Mar 2004 04:55:35 +0000
Subject: * eval.c (method_hash): new method. [ruby-talk:93968]

* eval.c (proc_eq): do not compare dyna_vars.

* eval.c (proc_hash): new method.

* eval.c (rb_yield_0): protect break/return from within orphan (or
  lambda) Proc object.

* parse.y (yylex): should not allow symbol for invalid global
  variable (e.g. `:$-)`). [ruby-core:02518]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@5879 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 parse.y | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'parse.y')

diff --git a/parse.y b/parse.y
index c116605047..471c8a8d2f 100644
--- a/parse.y
+++ b/parse.y
@@ -4244,7 +4244,10 @@ yylex()
 	    tokadd(c);
 	    tokfix();
 	    yylval.id = rb_intern(tok());
-	    /* xxx shouldn't check if valid option variable */
+	    if (!is_global_id(yylval.id)) {
+		rb_compile_error("invalid global variable `%s'", rb_id2name(yylval.id));
+		return 0;
+	    }
 	    return tGVAR;
 
 	  case '&':		/* $&: last match */
-- 
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