From 1ffb788aaa0eea607812dc2941f96b9510e8e339 Mon Sep 17 00:00:00 2001
From: keiju <keiju@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 30 Jun 2005 10:11:14 +0000
Subject: * lib/irb/ruby-lex.rb (RubyLex::identify_number): alternative
 implements   for [ruby-dev:26410]. And support a numeric form of 0d99999.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@8681 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/irb/ruby-lex.rb | 23 +++++++++++++++--------
 1 file changed, 15 insertions(+), 8 deletions(-)

(limited to 'lib/irb')

diff --git a/lib/irb/ruby-lex.rb b/lib/irb/ruby-lex.rb
index 4b7ad6a0bf..8068d1c8bb 100644
--- a/lib/irb/ruby-lex.rb
+++ b/lib/irb/ruby-lex.rb
@@ -936,23 +936,30 @@ class RubyLex
     @lex_state = EXPR_END
 
     if peek(0) == "0" && peek(1) !~ /[.eE]/
-      len0 = true
-      non_digit = false
       getc
-      if /[xX]/ =~ peek(0)
+      case peek(0)
+      when /[xX]/
 	ch = getc
 	match = /[0-9a-fA-F_]/
-      elsif /[bB]/ =~ peek(0)
+      when /[bB]/
 	ch = getc
 	match = /[01_]/
-      elsif /[oO]/ =~ peek(0)
+      when /[oO]/
 	ch = getc
 	match = /[0-7_]/
-      else
+      when /[dD]/
+	ch = getc
+	match = /[0-9_]/
+      when /[0-7]/
 	match = /[0-7_]/
-        len0 = false
+      when /[89]/
+	RubyLex.fail SyntaxError, "Illegal octal digit"
+      else 
+	return Token(TkINTEGER)
       end
-
+      
+      len0 = true
+      non_digit = false
       while ch = getc
 	if match =~ ch
 	  if ch == "_"
-- 
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