From a9fa5f5a15d191bb2660da6be5ef898191c536d3 Mon Sep 17 00:00:00 2001
From: matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 30 Jun 2005 08:31:38 +0000
Subject: [PATCH] * lib/irb/ruby-lex.rb (RubyLex::identify_number): should not
 treat   plain zero as an octal number.  [ruby-dev:26410]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@8680 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog           | 5 +++++
 lib/irb/ruby-lex.rb | 5 +++--
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 8e16d46e52..d4eb335247 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Thu Jun 30 17:28:10 2005  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* lib/irb/ruby-lex.rb (RubyLex::identify_number): should not treat
+	  plain zero as an octal number.  [ruby-dev:26410]
+
 Thu Jun 30 15:13:16 2005  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* eval.c (rb_eval): pre-evaluate argument for unambiguous
diff --git a/lib/irb/ruby-lex.rb b/lib/irb/ruby-lex.rb
index 4c51afbc28..4b7ad6a0bf 100644
--- a/lib/irb/ruby-lex.rb
+++ b/lib/irb/ruby-lex.rb
@@ -936,6 +936,8 @@ class RubyLex
     @lex_state = EXPR_END
 
     if peek(0) == "0" && peek(1) !~ /[.eE]/
+      len0 = true
+      non_digit = false
       getc
       if /[xX]/ =~ peek(0)
 	ch = getc
@@ -948,10 +950,9 @@ class RubyLex
 	match = /[0-7_]/
       else
 	match = /[0-7_]/
+        len0 = false
       end
 
-      len0 = true
-      non_digit = false
       while ch = getc
 	if match =~ ch
 	  if ch == "_"